About the Execution of ITS-Tools for CO4-PT-21
| Execution Summary | |||||
| Max Memory Used (MB) |
Time wait (ms) | CPU Usage (ms) | I/O Wait (ms) | Computed Result | Execution Status |
| 722.655 | 40282.00 | 56048.00 | 208.70 | 1 0 1 1 1 1 1 1 1 0 1 1 1 0 1 1 | 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.r066-tall-177946967700445.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 CO4-PT-21, examination is UpperBounds
Time confinement is 3600 seconds
Memory confinement is 16384 MBytes
Number of cores is 4
Run identifier is r066-tall-177946967700445
=====================================================================
--------------------
preparation of the directory to be used:
/home/mcc/execution
total 760K
-rw-r--r-- 1 mcc users 6.8K Mar 6 13:30 CTLCardinality.txt
-rw-r--r-- 1 mcc users 74K Mar 6 13:30 CTLCardinality.xml
-rw-r--r-- 1 mcc users 4.5K Mar 6 13:30 CTLFireability.txt
-rw-r--r-- 1 mcc users 39K Mar 6 13:30 CTLFireability.xml
-rw-r--r-- 1 mcc users 3.6K Mar 15 08:34 LTLCardinality.txt
-rw-r--r-- 1 mcc users 25K Mar 15 08:34 LTLCardinality.xml
-rw-r--r-- 1 mcc users 2.1K Mar 15 08:34 LTLFireability.txt
-rw-r--r-- 1 mcc users 17K Mar 15 08:34 LTLFireability.xml
-rw-r--r-- 1 mcc users 13K Mar 6 13:30 ReachabilityCardinality.txt
-rw-r--r-- 1 mcc users 141K Mar 6 13:30 ReachabilityCardinality.xml
-rw-r--r-- 1 mcc users 5.4K Mar 6 13:30 ReachabilityFireability.txt
-rw-r--r-- 1 mcc users 39K Mar 6 13:30 ReachabilityFireability.xml
-rw-r--r-- 1 mcc users 1.5K Mar 15 08:34 UpperBounds.txt
-rw-r--r-- 1 mcc users 3.5K Mar 15 08:34 UpperBounds.xml
-rw-r--r-- 1 mcc users 6 Mar 3 18:30 equiv_col
-rw-r--r-- 1 mcc users 3 Mar 3 18:30 instance
-rw-r--r-- 1 mcc users 6 Mar 3 18:30 iscolored
-rw-r--r-- 1 mcc users 344K 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 positive values
NUM_VECTOR
echo here is the order used to build the result vector(from xml file)
FORMULA_NAME CO4-PT-21-UpperBounds-00
FORMULA_NAME CO4-PT-21-UpperBounds-01
FORMULA_NAME CO4-PT-21-UpperBounds-02
FORMULA_NAME CO4-PT-21-UpperBounds-03
FORMULA_NAME CO4-PT-21-UpperBounds-04
FORMULA_NAME CO4-PT-21-UpperBounds-05
FORMULA_NAME CO4-PT-21-UpperBounds-06
FORMULA_NAME CO4-PT-21-UpperBounds-07
FORMULA_NAME CO4-PT-21-UpperBounds-08
FORMULA_NAME CO4-PT-21-UpperBounds-09
FORMULA_NAME CO4-PT-21-UpperBounds-10
FORMULA_NAME CO4-PT-21-UpperBounds-11
FORMULA_NAME CO4-PT-21-UpperBounds-12
FORMULA_NAME CO4-PT-21-UpperBounds-13
FORMULA_NAME CO4-PT-21-UpperBounds-14
FORMULA_NAME CO4-PT-21-UpperBounds-15
=== Now, execution of the tool begins
BK_START 1779529538193
Invoking MCC driver with
BK_TOOL=itstools
BK_EXAMINATION=UpperBounds
BK_BIN_PATH=/home/mcc/BenchKit/bin/
BK_TIME_CONFINEMENT=3600
BK_INPUT=CO4-PT-21
BK_MEMORY_CONFINEMENT=16384
Not applying reductions.
Model is PT
UpperBounds PT
Running Version 202604301425
[2026-05-23 09:45:39] [INFO ] Running its-tools with arguments : [-pnfolder, /home/mcc/execution, -examination, UpperBounds, -its, -ltsmin, -greatspnpath, /home/mcc/BenchKit/bin//../itstools/bin//..//greatspn/, -order, META, -manyOrder, -smt, -timeout, 3600]
[2026-05-23 09:45:39] [INFO ] Parsing pnml file : /home/mcc/execution/model.pnml
[2026-05-23 09:45:39] [INFO ] Load time of PNML (sax parser for PT used): 123 ms
[2026-05-23 09:45:39] [INFO ] Transformed 1400 places.
[2026-05-23 09:45:39] [INFO ] Transformed 1583 transitions.
[2026-05-23 09:45:39] [INFO ] Found NUPN structural information;
[2026-05-23 09:45:39] [INFO ] Parsed PT model containing 1400 places and 1583 transitions and 3434 arcs in 221 ms.
Parsed 16 properties from file /home/mcc/execution/UpperBounds.xml in 7 ms.
Deduced a syphon composed of 307 places in 17 ms
Reduce places removed 307 places and 347 transitions.
FORMULA CO4-PT-21-UpperBounds-01 0 TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA CO4-PT-21-UpperBounds-09 0 TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA CO4-PT-21-UpperBounds-13 0 TECHNIQUES TOPOLOGICAL INITIAL_STATE
Current structural bounds on expressions (Initiallly, because the net is safe) : Max Seen:[0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0] Max Struct:[1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
Current structural bounds on expressions (Before main loop) : Max Seen:[0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0] Max Struct:[1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
Running PetriSpot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.petrispot.binaries_1.0.0.202604301425/bin/petri64' '--loadKERS=/tmp/petrispot-input-16044724631747463692.kers' '--Pflows' '--basisKERS=/tmp/petrispot-output-9993315597200720098.kers'
[2026-05-23 09:45:39] [INFO ] Running PetriSpot with arguments : [--loadKERS=/tmp/petrispot-input-16044724631747463692.kers, --Pflows, --basisKERS=/tmp/petrispot-output-9993315597200720098.kers]
Culled 0 columns in 0 ms.
// Phase 1: matrix 1236 rows 1093 cols 2698 entries
Finished phase 1 with 1084 SingleSign rule and 0 generalized
[2026-05-23 09:45:39] [INFO ] Computed 9 invariants in 7 ms
Computed 9 P flows in 7 ms.
Exported basis to /tmp/petrispot-output-9993315597200720098.kers
Total runtime 8 ms.
Current structural bounds on expressions (after invariants) : Max Seen:[0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0] Max Struct:[1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
RANDOM walk for 10000 steps (24 resets) in 41 ms. (238 steps per ms)
FORMULA CO4-PT-21-UpperBounds-12 1 TECHNIQUES TOPOLOGICAL BESTFIRST_WALK
FORMULA CO4-PT-21-UpperBounds-06 1 TECHNIQUES TOPOLOGICAL BESTFIRST_WALK
FORMULA CO4-PT-21-UpperBounds-04 1 TECHNIQUES TOPOLOGICAL BESTFIRST_WALK
FORMULA CO4-PT-21-UpperBounds-00 1 TECHNIQUES TOPOLOGICAL BESTFIRST_WALK
BEST_FIRST walk for 100000 steps (116 resets) in 179 ms. (555 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[0, 0, 0, 0, 0, 0, 0, 0, 0] Max Struct:[1, 1, 1, 1, 1, 1, 1, 1, 1]
[2026-05-23 09:45:39] [INFO ] Invariant cache hit.
[2026-05-23 09:45:40] [INFO ] [Real]Absence check using 9 positive place invariants in 29 ms returned sat
[2026-05-23 09:45:40] [INFO ] [Real]Absence check using state equation in 353 ms returned sat
[2026-05-23 09:45:40] [INFO ] Computed and/alt/rep : 1121/1303/1121 causal constraints (skipped 114 transitions) in 93 ms.
[2026-05-23 09:45:41] [INFO ] Solution in real domain found non-integer solution.
[2026-05-23 09:45:41] [INFO ] [Nat]Absence check using 9 positive place invariants in 34 ms returned sat
[2026-05-23 09:45:41] [INFO ] [Nat]Absence check using state equation in 323 ms returned sat
[2026-05-23 09:45:41] [INFO ] Computed and/alt/rep : 1121/1303/1121 causal constraints (skipped 114 transitions) in 56 ms.
[2026-05-23 09:45:44] [INFO ] Trap strengthening (SAT) tested/added 2/1 trap constraints in 552 ms
[2026-05-23 09:45:44] [INFO ] Added : 182 causal constraints over 37 iterations in 2904 ms. Result :sat
Minimization took 419 ms.
[2026-05-23 09:45:45] [INFO ] [Real]Absence check using 9 positive place invariants in 24 ms returned sat
[2026-05-23 09:45:45] [INFO ] [Real]Absence check using state equation in 342 ms returned sat
[2026-05-23 09:45:45] [INFO ] Computed and/alt/rep : 1121/1303/1121 causal constraints (skipped 114 transitions) in 65 ms.
[2026-05-23 09:45:45] [INFO ] Solution in real domain found non-integer solution.
[2026-05-23 09:45:46] [INFO ] [Nat]Absence check using 9 positive place invariants in 25 ms returned sat
[2026-05-23 09:45:46] [INFO ] [Nat]Absence check using state equation in 348 ms returned sat
[2026-05-23 09:45:46] [INFO ] Computed and/alt/rep : 1121/1303/1121 causal constraints (skipped 114 transitions) in 58 ms.
[2026-05-23 09:45:48] [INFO ] Added : 199 causal constraints over 40 iterations in 2439 ms. Result :sat
Minimization took 391 ms.
[2026-05-23 09:45:49] [INFO ] [Real]Absence check using 9 positive place invariants in 23 ms returned sat
[2026-05-23 09:45:49] [INFO ] [Real]Absence check using state equation in 334 ms returned sat
[2026-05-23 09:45:50] [INFO ] Computed and/alt/rep : 1121/1303/1121 causal constraints (skipped 114 transitions) in 58 ms.
[2026-05-23 09:45:50] [INFO ] Solution in real domain found non-integer solution.
[2026-05-23 09:45:50] [INFO ] [Nat]Absence check using 9 positive place invariants in 25 ms returned sat
[2026-05-23 09:45:50] [INFO ] [Nat]Absence check using state equation in 315 ms returned sat
[2026-05-23 09:45:50] [INFO ] Computed and/alt/rep : 1121/1303/1121 causal constraints (skipped 114 transitions) in 53 ms.
[2026-05-23 09:45:53] [INFO ] Added : 179 causal constraints over 36 iterations in 2273 ms. Result :sat
Minimization took 473 ms.
[2026-05-23 09:45:53] [INFO ] [Real]Absence check using 9 positive place invariants in 23 ms returned sat
[2026-05-23 09:45:54] [INFO ] [Real]Absence check using state equation in 335 ms returned sat
[2026-05-23 09:45:54] [INFO ] Computed and/alt/rep : 1121/1303/1121 causal constraints (skipped 114 transitions) in 52 ms.
[2026-05-23 09:45:54] [INFO ] Solution in real domain found non-integer solution.
[2026-05-23 09:45:54] [INFO ] [Nat]Absence check using 9 positive place invariants in 25 ms returned sat
[2026-05-23 09:45:54] [INFO ] [Nat]Absence check using state equation in 325 ms returned sat
[2026-05-23 09:45:55] [INFO ] Computed and/alt/rep : 1121/1303/1121 causal constraints (skipped 114 transitions) in 53 ms.
[2026-05-23 09:45:57] [INFO ] Added : 191 causal constraints over 39 iterations in 2314 ms. Result :sat
Minimization took 394 ms.
[2026-05-23 09:45:57] [INFO ] [Real]Absence check using 9 positive place invariants in 23 ms returned sat
[2026-05-23 09:45:58] [INFO ] [Real]Absence check using state equation in 327 ms returned sat
[2026-05-23 09:45:58] [INFO ] Computed and/alt/rep : 1121/1303/1121 causal constraints (skipped 114 transitions) in 57 ms.
[2026-05-23 09:45:58] [INFO ] Solution in real domain found non-integer solution.
[2026-05-23 09:45:58] [INFO ] [Nat]Absence check using 9 positive place invariants in 25 ms returned sat
[2026-05-23 09:45:59] [INFO ] [Nat]Absence check using state equation in 306 ms returned sat
[2026-05-23 09:45:59] [INFO ] Computed and/alt/rep : 1121/1303/1121 causal constraints (skipped 114 transitions) in 63 ms.
[2026-05-23 09:46:01] [INFO ] Trap strengthening (SAT) tested/added 2/1 trap constraints in 203 ms
[2026-05-23 09:46:01] [INFO ] Added : 166 causal constraints over 34 iterations in 2376 ms. Result :sat
Minimization took 446 ms.
[2026-05-23 09:46:02] [INFO ] [Real]Absence check using 9 positive place invariants in 23 ms returned sat
[2026-05-23 09:46:02] [INFO ] [Real]Absence check using state equation in 350 ms returned sat
[2026-05-23 09:46:02] [INFO ] Solution in real domain found non-integer solution.
[2026-05-23 09:46:02] [INFO ] [Nat]Absence check using 9 positive place invariants in 35 ms returned sat
[2026-05-23 09:46:03] [INFO ] [Nat]Absence check using state equation in 337 ms returned sat
[2026-05-23 09:46:03] [INFO ] Computed and/alt/rep : 1121/1303/1121 causal constraints (skipped 114 transitions) in 50 ms.
[2026-05-23 09:46:05] [INFO ] Added : 199 causal constraints over 40 iterations in 2358 ms. Result :sat
Minimization took 393 ms.
[2026-05-23 09:46:06] [INFO ] [Real]Absence check using 9 positive place invariants in 24 ms returned sat
[2026-05-23 09:46:06] [INFO ] [Real]Absence check using state equation in 329 ms returned sat
[2026-05-23 09:46:06] [INFO ] Computed and/alt/rep : 1121/1303/1121 causal constraints (skipped 114 transitions) in 61 ms.
[2026-05-23 09:46:06] [INFO ] Solution in real domain found non-integer solution.
[2026-05-23 09:46:06] [INFO ] [Nat]Absence check using 9 positive place invariants in 24 ms returned sat
[2026-05-23 09:46:07] [INFO ] [Nat]Absence check using state equation in 319 ms returned sat
[2026-05-23 09:46:07] [INFO ] Computed and/alt/rep : 1121/1303/1121 causal constraints (skipped 114 transitions) in 50 ms.
[2026-05-23 09:46:09] [INFO ] Added : 141 causal constraints over 29 iterations in 1768 ms. Result :sat
Minimization took 382 ms.
[2026-05-23 09:46:09] [INFO ] [Real]Absence check using 9 positive place invariants in 23 ms returned sat
[2026-05-23 09:46:09] [INFO ] [Real]Absence check using state equation in 308 ms returned sat
[2026-05-23 09:46:10] [INFO ] Computed and/alt/rep : 1121/1303/1121 causal constraints (skipped 114 transitions) in 56 ms.
[2026-05-23 09:46:10] [INFO ] Solution in real domain found non-integer solution.
[2026-05-23 09:46:10] [INFO ] [Nat]Absence check using 9 positive place invariants in 25 ms returned sat
[2026-05-23 09:46:10] [INFO ] [Nat]Absence check using state equation in 330 ms returned sat
[2026-05-23 09:46:11] [INFO ] Computed and/alt/rep : 1121/1303/1121 causal constraints (skipped 114 transitions) in 52 ms.
[2026-05-23 09:46:12] [INFO ] Added : 161 causal constraints over 33 iterations in 2040 ms. Result :sat
Minimization took 432 ms.
[2026-05-23 09:46:13] [INFO ] [Real]Absence check using 9 positive place invariants in 23 ms returned sat
[2026-05-23 09:46:13] [INFO ] [Real]Absence check using state equation in 321 ms returned sat
[2026-05-23 09:46:14] [INFO ] Computed and/alt/rep : 1121/1303/1121 causal constraints (skipped 114 transitions) in 55 ms.
[2026-05-23 09:46:14] [INFO ] Solution in real domain found non-integer solution.
[2026-05-23 09:46:14] [INFO ] [Nat]Absence check using 9 positive place invariants in 24 ms returned sat
[2026-05-23 09:46:14] [INFO ] [Nat]Absence check using state equation in 342 ms returned sat
[2026-05-23 09:46:14] [INFO ] Computed and/alt/rep : 1121/1303/1121 causal constraints (skipped 114 transitions) in 48 ms.
[2026-05-23 09:46:16] [INFO ] Added : 163 causal constraints over 33 iterations in 1933 ms. Result :sat
Minimization took 383 ms.
Current structural bounds on expressions (after SMT) : Max Seen:[0, 0, 0, 0, 0, 0, 0, 0, 0] Max Struct:[1, 1, 1, 1, 1, 1, 1, 1, 1]
FORMULA CO4-PT-21-UpperBounds-15 1 TECHNIQUES TOPOLOGICAL PARIKH_WALK
FORMULA CO4-PT-21-UpperBounds-14 1 TECHNIQUES TOPOLOGICAL PARIKH_WALK
FORMULA CO4-PT-21-UpperBounds-11 1 TECHNIQUES TOPOLOGICAL PARIKH_WALK
FORMULA CO4-PT-21-UpperBounds-10 1 TECHNIQUES TOPOLOGICAL PARIKH_WALK
FORMULA CO4-PT-21-UpperBounds-08 1 TECHNIQUES TOPOLOGICAL PARIKH_WALK
FORMULA CO4-PT-21-UpperBounds-05 1 TECHNIQUES TOPOLOGICAL PARIKH_WALK
Current structural bounds on expressions (After Parikh guided walk) : Max Seen:[0, 0, 0] Max Struct:[1, 1, 1]
Support contains 3 out of 1093 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 1093/1093 places, 1236/1236 transitions.
Graph (trivial) has 1115 edges and 1093 vertex of which 3 / 1093 are part of one of the 1 SCC in 9 ms
Free SCC test removed 2 places
Drop transitions (Empty/Sink Transition effects.) removed 3 transitions
Reduce isomorphic transitions removed 3 transitions.
Graph (complete) has 1468 edges and 1091 vertex of which 1027 are kept as prefixes of interest. Removing 64 places using SCC suffix rule.3 ms
Discarding 64 places :
Also discarding 38 output transitions
Drop transitions (Output transitions of discarded places.) removed 38 transitions
Drop transitions (Empty/Sink Transition effects.) removed 28 transitions
Reduce isomorphic transitions removed 28 transitions.
Drop transitions (Trivial Post-Agglo cleanup.) removed 683 transitions
Trivial Post-agglo rules discarded 683 transitions
Performed 683 trivial Post agglomeration. Transition count delta: 683
Iterating post reduction 0 with 711 rules applied. Total rules applied 713 place count 1027 transition count 484
Reduce places removed 683 places and 0 transitions.
Ensure Unique test removed 6 transitions
Reduce isomorphic transitions removed 6 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 1 with 695 rules applied. Total rules applied 1408 place count 344 transition count 472
Reduce places removed 6 places and 0 transitions.
Ensure Unique test removed 5 transitions
Reduce isomorphic transitions removed 5 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 2 with 13 rules applied. Total rules applied 1421 place count 338 transition count 465
Reduce places removed 2 places and 0 transitions.
Ensure Unique test removed 1 transitions
Reduce isomorphic transitions removed 1 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 4 rules applied. Total rules applied 1425 place count 336 transition count 463
Reduce places removed 1 places and 0 transitions.
Ensure Unique test removed 1 transitions
Reduce isomorphic transitions removed 1 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 4 with 3 rules applied. Total rules applied 1428 place count 335 transition count 461
Reduce places removed 1 places and 0 transitions.
Ensure Unique test removed 1 transitions
Reduce isomorphic transitions removed 1 transitions.
Performed 1 Post agglomeration using F-continuation condition.Transition count delta: 1
Iterating post reduction 5 with 3 rules applied. Total rules applied 1431 place count 334 transition count 459
Reduce places removed 1 places and 0 transitions.
Iterating post reduction 6 with 1 rules applied. Total rules applied 1432 place count 333 transition count 459
Performed 2 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 7 with 2 Pre rules applied. Total rules applied 1432 place count 333 transition count 457
Deduced a syphon composed of 2 places in 1 ms
Reduce places removed 2 places and 0 transitions.
Iterating global reduction 7 with 4 rules applied. Total rules applied 1436 place count 331 transition count 457
Discarding 42 places :
Symmetric choice reduction at 7 with 42 rule applications. Total rules 1478 place count 289 transition count 415
Iterating global reduction 7 with 42 rules applied. Total rules applied 1520 place count 289 transition count 415
Performed 17 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 7 with 17 Pre rules applied. Total rules applied 1520 place count 289 transition count 398
Deduced a syphon composed of 17 places in 1 ms
Reduce places removed 17 places and 0 transitions.
Iterating global reduction 7 with 34 rules applied. Total rules applied 1554 place count 272 transition count 398
Discarding 28 places :
Symmetric choice reduction at 7 with 28 rule applications. Total rules 1582 place count 244 transition count 370
Iterating global reduction 7 with 28 rules applied. Total rules applied 1610 place count 244 transition count 370
Ensure Unique test removed 3 transitions
Reduce isomorphic transitions removed 3 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 7 with 4 rules applied. Total rules applied 1614 place count 244 transition count 366
Reduce places removed 1 places and 0 transitions.
Iterating post reduction 8 with 1 rules applied. Total rules applied 1615 place count 243 transition count 366
Discarding 1 places :
Symmetric choice reduction at 9 with 1 rule applications. Total rules 1616 place count 242 transition count 364
Iterating global reduction 9 with 1 rules applied. Total rules applied 1617 place count 242 transition count 364
Ensure Unique test removed 1 transitions
Reduce isomorphic transitions removed 1 transitions.
Iterating post reduction 9 with 1 rules applied. Total rules applied 1618 place count 242 transition count 363
Performed 106 Post agglomeration using F-continuation condition with reduction of 14 identical transitions.
Deduced a syphon composed of 106 places in 0 ms
Reduce places removed 106 places and 0 transitions.
Iterating global reduction 10 with 212 rules applied. Total rules applied 1830 place count 136 transition count 243
Drop transitions (Empty/Sink Transition effects.) removed 3 transitions
Ensure Unique test removed 3 transitions
Reduce isomorphic transitions removed 6 transitions.
Iterating post reduction 10 with 6 rules applied. Total rules applied 1836 place count 136 transition count 237
Discarding 4 places :
Symmetric choice reduction at 11 with 4 rule applications. Total rules 1840 place count 132 transition count 233
Iterating global reduction 11 with 4 rules applied. Total rules applied 1844 place count 132 transition count 233
Ensure Unique test removed 1 transitions
Reduce isomorphic transitions removed 1 transitions.
Iterating post reduction 11 with 1 rules applied. Total rules applied 1845 place count 132 transition count 232
Performed 2 Post agglomeration using F-continuation condition.Transition count delta: 2
Deduced a syphon composed of 2 places in 0 ms
Reduce places removed 2 places and 0 transitions.
Iterating global reduction 12 with 4 rules applied. Total rules applied 1849 place count 130 transition count 230
Drop transitions (Empty/Sink Transition effects.) removed 2 transitions
Reduce isomorphic transitions removed 2 transitions.
Iterating post reduction 12 with 2 rules applied. Total rules applied 1851 place count 130 transition count 228
Discarding 1 places :
Symmetric choice reduction at 13 with 1 rule applications. Total rules 1852 place count 129 transition count 227
Iterating global reduction 13 with 1 rules applied. Total rules applied 1853 place count 129 transition count 227
Ensure Unique test removed 1 transitions
Reduce isomorphic transitions removed 1 transitions.
Iterating post reduction 13 with 1 rules applied. Total rules applied 1854 place count 129 transition count 226
Performed 41 Post agglomeration using F-continuation condition.Transition count delta: -3
Deduced a syphon composed of 41 places in 0 ms
Reduce places removed 41 places and 0 transitions.
Iterating global reduction 14 with 82 rules applied. Total rules applied 1936 place count 88 transition count 229
Drop transitions (Empty/Sink Transition effects.) removed 16 transitions
Ensure Unique test removed 28 transitions
Reduce isomorphic transitions removed 44 transitions.
Iterating post reduction 14 with 44 rules applied. Total rules applied 1980 place count 88 transition count 185
Discarding 37 places :
Symmetric choice reduction at 15 with 37 rule applications. Total rules 2017 place count 51 transition count 126
Iterating global reduction 15 with 37 rules applied. Total rules applied 2054 place count 51 transition count 126
Ensure Unique test removed 28 transitions
Reduce isomorphic transitions removed 28 transitions.
Iterating post reduction 15 with 28 rules applied. Total rules applied 2082 place count 51 transition count 98
Discarding 7 places :
Symmetric choice reduction at 16 with 7 rule applications. Total rules 2089 place count 44 transition count 78
Iterating global reduction 16 with 7 rules applied. Total rules applied 2096 place count 44 transition count 78
Ensure Unique test removed 5 transitions
Reduce isomorphic transitions removed 5 transitions.
Iterating post reduction 16 with 5 rules applied. Total rules applied 2101 place count 44 transition count 73
Drop transitions (Redundant composition of simpler transitions.) removed 1 transitions
Redundant transition composition rules discarded 1 transitions
Iterating global reduction 17 with 1 rules applied. Total rules applied 2102 place count 44 transition count 72
Discarding 1 places :
Symmetric choice reduction at 17 with 1 rule applications. Total rules 2103 place count 43 transition count 71
Iterating global reduction 17 with 1 rules applied. Total rules applied 2104 place count 43 transition count 71
Ensure Unique test removed 1 transitions
Reduce isomorphic transitions removed 1 transitions.
Iterating post reduction 17 with 1 rules applied. Total rules applied 2105 place count 43 transition count 70
Free-agglomeration rule applied 5 times.
Iterating global reduction 18 with 5 rules applied. Total rules applied 2110 place count 43 transition count 65
Reduce places removed 5 places and 0 transitions.
Drop transitions (Empty/Sink Transition effects.) removed 3 transitions
Reduce isomorphic transitions removed 3 transitions.
Iterating post reduction 18 with 8 rules applied. Total rules applied 2118 place count 38 transition count 62
Partial Free-agglomeration rule applied 3 times.
Drop transitions (Partial Free agglomeration) removed 3 transitions
Iterating global reduction 19 with 3 rules applied. Total rules applied 2121 place count 38 transition count 62
Drop transitions (Empty/Sink Transition effects.) removed 1 transitions
Reduce isomorphic transitions removed 1 transitions.
Graph (complete) has 113 edges and 38 vertex of which 37 are kept as prefixes of interest. Removing 1 places using SCC suffix rule.0 ms
Discarding 1 places :
Also discarding 0 output transitions
Iterating post reduction 19 with 2 rules applied. Total rules applied 2123 place count 37 transition count 61
Drop transitions (Empty/Sink Transition effects.) removed 1 transitions
Reduce isomorphic transitions removed 1 transitions.
Iterating post reduction 20 with 1 rules applied. Total rules applied 2124 place count 37 transition count 60
Drop transitions (Redundant composition of simpler transitions.) removed 1 transitions
Redundant transition composition rules discarded 1 transitions
Iterating global reduction 21 with 1 rules applied. Total rules applied 2125 place count 37 transition count 59
Performed 1 Post agglomeration using F-continuation condition.Transition count delta: 1
Deduced a syphon composed of 1 places in 0 ms
Reduce places removed 1 places and 0 transitions.
Iterating global reduction 21 with 2 rules applied. Total rules applied 2127 place count 36 transition count 58
Drop transitions (Empty/Sink Transition effects.) removed 5 transitions
Reduce isomorphic transitions removed 5 transitions.
Graph (complete) has 98 edges and 36 vertex of which 23 are kept as prefixes of interest. Removing 13 places using SCC suffix rule.0 ms
Discarding 13 places :
Also discarding 0 output transitions
Iterating post reduction 21 with 6 rules applied. Total rules applied 2133 place count 23 transition count 53
Drop transitions (Empty/Sink Transition effects.) removed 24 transitions
Reduce isomorphic transitions removed 24 transitions.
Iterating post reduction 22 with 24 rules applied. Total rules applied 2157 place count 23 transition count 29
Partial Free-agglomeration rule applied 1 times.
Drop transitions (Partial Free agglomeration) removed 1 transitions
Iterating global reduction 23 with 1 rules applied. Total rules applied 2158 place count 23 transition count 29
Graph (complete) has 52 edges and 23 vertex of which 22 are kept as prefixes of interest. Removing 1 places using SCC suffix rule.0 ms
Discarding 1 places :
Also discarding 0 output transitions
Iterating post reduction 23 with 1 rules applied. Total rules applied 2159 place count 22 transition count 29
Drop transitions (Empty/Sink Transition effects.) removed 1 transitions
Reduce isomorphic transitions removed 1 transitions.
Iterating post reduction 24 with 1 rules applied. Total rules applied 2160 place count 22 transition count 28
Partial Free-agglomeration rule applied 1 times.
Drop transitions (Partial Free agglomeration) removed 1 transitions
Iterating global reduction 25 with 1 rules applied. Total rules applied 2161 place count 22 transition count 28
Graph (complete) has 49 edges and 22 vertex of which 21 are kept as prefixes of interest. Removing 1 places using SCC suffix rule.0 ms
Discarding 1 places :
Also discarding 0 output transitions
Iterating post reduction 25 with 1 rules applied. Total rules applied 2162 place count 21 transition count 28
Drop transitions (Empty/Sink Transition effects.) removed 1 transitions
Reduce isomorphic transitions removed 1 transitions.
Iterating post reduction 26 with 1 rules applied. Total rules applied 2163 place count 21 transition count 27
Reduce places removed 1 places and 1 transitions.
Iterating global reduction 27 with 1 rules applied. Total rules applied 2164 place count 20 transition count 26
Discarding 1 places :
Also discarding 1 output transitions
Drop transitions (Output transitions of discarded places.) removed 1 transitions
Remove reverse transitions (loop back) rule discarded transition t173.t174.t1374 and 1 places that fell out of Prefix Of Interest.
Drop transitions (Empty/Sink Transition effects.) removed 1 transitions
Reduce isomorphic transitions removed 1 transitions.
Graph (trivial) has 10 edges and 16 vertex of which 3 / 16 are part of one of the 1 SCC in 0 ms
Free SCC test removed 2 places
Iterating post reduction 27 with 3 rules applied. Total rules applied 2167 place count 14 transition count 24
Reduce places removed 1 places and 0 transitions.
Drop transitions (Empty/Sink Transition effects.) removed 4 transitions
Ensure Unique test removed 1 transitions
Reduce isomorphic transitions removed 5 transitions.
Graph (trivial) has 11 edges and 13 vertex of which 3 / 13 are part of one of the 1 SCC in 0 ms
Free SCC test removed 2 places
Drop transitions (Trivial Post-Agglo cleanup.) removed 3 transitions
Trivial Post-agglo rules discarded 3 transitions
Performed 3 trivial Post agglomeration. Transition count delta: 3
Iterating post reduction 28 with 10 rules applied. Total rules applied 2177 place count 11 transition count 16
Reduce places removed 3 places and 0 transitions.
Drop transitions (Empty/Sink Transition effects.) removed 4 transitions
Ensure Unique test removed 1 transitions
Reduce isomorphic transitions removed 5 transitions.
Iterating post reduction 29 with 8 rules applied. Total rules applied 2185 place count 8 transition count 11
Performed 1 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 30 with 1 Pre rules applied. Total rules applied 2185 place count 8 transition count 10
Deduced a syphon composed of 1 places in 0 ms
Reduce places removed 1 places and 0 transitions.
Iterating global reduction 30 with 2 rules applied. Total rules applied 2187 place count 7 transition count 10
Drop transitions (Redundant composition of simpler transitions.) removed 1 transitions
Redundant transition composition rules discarded 1 transitions
Iterating global reduction 30 with 1 rules applied. Total rules applied 2188 place count 7 transition count 9
Free-agglomeration rule applied 3 times.
Iterating global reduction 30 with 3 rules applied. Total rules applied 2191 place count 7 transition count 6
Reduce places removed 3 places and 0 transitions.
Iterating post reduction 30 with 3 rules applied. Total rules applied 2194 place count 4 transition count 6
Applied a total of 2194 rules in 201 ms. Remains 4 /1093 variables (removed 1089) and now considering 6/1236 (removed 1230) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 225 ms. Remains : 4/1093 places, 6/1236 transitions.
Running PetriSpot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.petrispot.binaries_1.0.0.202604301425/bin/petri64' '--loadKERS=/tmp/petrispot-input-4332478658884452420.kers' '--Pflows' '--basisKERS=/tmp/petrispot-output-4384928222567024102.kers'
[2026-05-23 09:46:17] [INFO ] Running PetriSpot with arguments : [--loadKERS=/tmp/petrispot-input-4332478658884452420.kers, --Pflows, --basisKERS=/tmp/petrispot-output-4384928222567024102.kers]
Culled 0 columns in 0 ms.
// Phase 1: matrix 6 rows 4 cols 12 entries
Finished phase 1 with 3 SingleSign rule and 0 generalized
[2026-05-23 09:46:17] [INFO ] Computed 1 invariants in 0 ms
Computed 1 P flows in 0 ms.
Exported basis to /tmp/petrispot-output-4384928222567024102.kers
Total runtime 0 ms.
Current structural bounds on expressions (after invariants) : Max Seen:[0, 0, 0] Max Struct:[1, 1, 1]
RANDOM walk for 1000000 steps (2 resets) in 399 ms. (2500 steps per ms)
FORMULA CO4-PT-21-UpperBounds-07 1 TECHNIQUES TOPOLOGICAL BESTFIRST_WALK
FORMULA CO4-PT-21-UpperBounds-03 1 TECHNIQUES TOPOLOGICAL BESTFIRST_WALK
FORMULA CO4-PT-21-UpperBounds-02 1 TECHNIQUES TOPOLOGICAL BESTFIRST_WALK
BEST_FIRST walk for 1000000 steps (2 resets) in 206 ms. (4830 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[] Max Struct:[]
All properties solved without resorting to model-checking.
Total runtime 39120 ms.
BK_STOP 1779529578475
--------------------
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
+ [[ UpperBounds = StateSpace ]]
+ /home/mcc/BenchKit/bin//../itstools/bin//..//runeclipse.sh /home/mcc/execution UpperBounds -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 UpperBounds -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="CO4-PT-21"
export BK_EXAMINATION="UpperBounds"
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 CO4-PT-21, examination is UpperBounds"
echo " Time confinement is $BK_TIME_CONFINEMENT seconds"
echo " Memory confinement is 16384 MBytes"
echo " Number of cores is 4"
echo " Run identifier is r066-tall-177946967700445"
echo "====================================================================="
echo
echo "--------------------"
echo "preparation of the directory to be used:"
tar xzf /home/mcc/BenchKit/INPUTS/CO4-PT-21.tgz
mv CO4-PT-21 execution
cd execution
if [ "UpperBounds" = "ReachabilityDeadlock" ] || [ "UpperBounds" = "UpperBounds" ] || [ "UpperBounds" = "QuasiLiveness" ] || [ "UpperBounds" = "StableMarking" ] || [ "UpperBounds" = "Liveness" ] || [ "UpperBounds" = "OneSafe" ] || [ "UpperBounds" = "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 [ "UpperBounds" = "UpperBounds" ] ; then
echo "The expected result is a vector of positive values"
echo NUM_VECTOR
elif [ "UpperBounds" != "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 "UpperBounds.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 [ "UpperBounds" = "ReachabilityDeadlock" ] || [ "UpperBounds" = "QuasiLiveness" ] || [ "UpperBounds" = "StableMarking" ] || [ "UpperBounds" = "Liveness" ] || [ "UpperBounds" = "OneSafe" ] ; then
echo "FORMULA_NAME UpperBounds"
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 ;