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-177946967700429.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-19, examination is UpperBounds
Time confinement is 3600 seconds
Memory confinement is 16384 MBytes
Number of cores is 4
Run identifier is r066-tall-177946967700429
=====================================================================

--------------------
preparation of the directory to be used:
/home/mcc/execution
total 728K
-rw-r--r-- 1 mcc users 6.2K Mar 6 13:27 CTLCardinality.txt
-rw-r--r-- 1 mcc users 66K Mar 6 13:27 CTLCardinality.xml
-rw-r--r-- 1 mcc users 5.7K Mar 6 13:27 CTLFireability.txt
-rw-r--r-- 1 mcc users 53K Mar 6 13:27 CTLFireability.xml
-rw-r--r-- 1 mcc users 3.5K Mar 15 08:33 LTLCardinality.txt
-rw-r--r-- 1 mcc users 25K Mar 15 08:33 LTLCardinality.xml
-rw-r--r-- 1 mcc users 2.1K Mar 15 08:33 LTLFireability.txt
-rw-r--r-- 1 mcc users 17K Mar 15 08:33 LTLFireability.xml
-rw-r--r-- 1 mcc users 9.5K Mar 6 13:27 ReachabilityCardinality.txt
-rw-r--r-- 1 mcc users 99K Mar 6 13:27 ReachabilityCardinality.xml
-rw-r--r-- 1 mcc users 6.9K Mar 6 13:27 ReachabilityFireability.txt
-rw-r--r-- 1 mcc users 57K Mar 6 13:27 ReachabilityFireability.xml
-rw-r--r-- 1 mcc users 1.5K Mar 15 08:33 UpperBounds.txt
-rw-r--r-- 1 mcc users 3.5K Mar 15 08:33 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 332K 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-19-UpperBounds-00
FORMULA_NAME CO4-PT-19-UpperBounds-01
FORMULA_NAME CO4-PT-19-UpperBounds-02
FORMULA_NAME CO4-PT-19-UpperBounds-03
FORMULA_NAME CO4-PT-19-UpperBounds-04
FORMULA_NAME CO4-PT-19-UpperBounds-05
FORMULA_NAME CO4-PT-19-UpperBounds-06
FORMULA_NAME CO4-PT-19-UpperBounds-07
FORMULA_NAME CO4-PT-19-UpperBounds-08
FORMULA_NAME CO4-PT-19-UpperBounds-09
FORMULA_NAME CO4-PT-19-UpperBounds-10
FORMULA_NAME CO4-PT-19-UpperBounds-11
FORMULA_NAME CO4-PT-19-UpperBounds-12
FORMULA_NAME CO4-PT-19-UpperBounds-13
FORMULA_NAME CO4-PT-19-UpperBounds-14
FORMULA_NAME CO4-PT-19-UpperBounds-15

=== Now, execution of the tool begins

BK_START 1779526765148

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-19
BK_MEMORY_CONFINEMENT=16384
Not applying reductions.
Model is PT
UpperBounds PT
Running Version 202604301425
[2026-05-23 08:59:26] [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 08:59:26] [INFO ] Parsing pnml file : /home/mcc/execution/model.pnml
[2026-05-23 08:59:26] [INFO ] Load time of PNML (sax parser for PT used): 113 ms
[2026-05-23 08:59:26] [INFO ] Transformed 1174 places.
[2026-05-23 08:59:26] [INFO ] Transformed 1447 transitions.
[2026-05-23 08:59:26] [INFO ] Found NUPN structural information;
[2026-05-23 08:59:26] [INFO ] Parsed PT model containing 1174 places and 1447 transitions and 3662 arcs in 210 ms.
Parsed 16 properties from file /home/mcc/execution/UpperBounds.xml in 6 ms.
Deduced a syphon composed of 201 places in 15 ms
Reduce places removed 201 places and 274 transitions.
FORMULA CO4-PT-19-UpperBounds-01 0 TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA CO4-PT-19-UpperBounds-04 0 TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA CO4-PT-19-UpperBounds-07 0 TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA CO4-PT-19-UpperBounds-11 0 TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA CO4-PT-19-UpperBounds-12 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] Max Struct:[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] Max Struct:[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-3179502873933140146.kers' '--Pflows' '--basisKERS=/tmp/petrispot-output-2193470307436826025.kers'
[2026-05-23 08:59:26] [INFO ] Running PetriSpot with arguments : [--loadKERS=/tmp/petrispot-input-3179502873933140146.kers, --Pflows, --basisKERS=/tmp/petrispot-output-2193470307436826025.kers]
Culled 0 columns in 0 ms.
// Phase 1: matrix 1173 rows 973 cols 2850 entries
Finished phase 1 with 953 SingleSign rule and 8 generalized
[2026-05-23 08:59:26] [INFO ] Computed 12 invariants in 5 ms
Computed 12 P flows in 6 ms.
Exported basis to /tmp/petrispot-output-2193470307436826025.kers
Total runtime 7 ms.
Current structural bounds on expressions (after invariants) : Max Seen:[0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0] Max Struct:[1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
RANDOM walk for 10000 steps (212 resets) in 63 ms. (156 steps per ms)
FORMULA CO4-PT-19-UpperBounds-10 1 TECHNIQUES TOPOLOGICAL BESTFIRST_WALK
FORMULA CO4-PT-19-UpperBounds-03 1 TECHNIQUES TOPOLOGICAL BESTFIRST_WALK
FORMULA CO4-PT-19-UpperBounds-00 1 TECHNIQUES TOPOLOGICAL BESTFIRST_WALK
FORMULA CO4-PT-19-UpperBounds-15 1 TECHNIQUES TOPOLOGICAL BESTFIRST_WALK
FORMULA CO4-PT-19-UpperBounds-14 1 TECHNIQUES TOPOLOGICAL BESTFIRST_WALK
BEST_FIRST walk for 60005 steps (214 resets) in 58 ms. (1017 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[0, 0, 0, 0, 0, 0] Max Struct:[1, 1, 1, 1, 1, 1]
[2026-05-23 08:59:26] [INFO ] Invariant cache hit.
[2026-05-23 08:59:27] [INFO ] [Real]Absence check using 11 positive place invariants in 26 ms returned sat
[2026-05-23 08:59:27] [INFO ] [Real]Absence check using 11 positive and 1 generalized place invariants in 1 ms returned sat
[2026-05-23 08:59:27] [INFO ] [Real]Absence check using state equation in 327 ms returned sat
[2026-05-23 08:59:27] [INFO ] Computed and/alt/rep : 988/1274/988 causal constraints (skipped 184 transitions) in 76 ms.
[2026-05-23 08:59:27] [INFO ] Solution in real domain found non-integer solution.
[2026-05-23 08:59:28] [INFO ] [Nat]Absence check using 11 positive place invariants in 24 ms returned sat
[2026-05-23 08:59:28] [INFO ] [Nat]Absence check using 11 positive and 1 generalized place invariants in 1 ms returned sat
[2026-05-23 08:59:28] [INFO ] [Nat]Absence check using state equation in 300 ms returned sat
[2026-05-23 08:59:28] [INFO ] Computed and/alt/rep : 988/1274/988 causal constraints (skipped 184 transitions) in 69 ms.
[2026-05-23 08:59:29] [INFO ] Trap strengthening (SAT) tested/added 2/1 trap constraints in 325 ms
[2026-05-23 08:59:30] [INFO ] Added : 94 causal constraints over 20 iterations in 1662 ms. Result :sat
Minimization took 512 ms.
[2026-05-23 08:59:30] [INFO ] [Real]Absence check using 11 positive place invariants in 20 ms returned sat
[2026-05-23 08:59:30] [INFO ] [Real]Absence check using 11 positive and 1 generalized place invariants in 2 ms returned sat
[2026-05-23 08:59:31] [INFO ] [Real]Absence check using state equation in 294 ms returned sat
[2026-05-23 08:59:31] [INFO ] Computed and/alt/rep : 988/1274/988 causal constraints (skipped 184 transitions) in 55 ms.
[2026-05-23 08:59:31] [INFO ] Solution in real domain found non-integer solution.
[2026-05-23 08:59:31] [INFO ] [Nat]Absence check using 11 positive place invariants in 21 ms returned sat
[2026-05-23 08:59:31] [INFO ] [Nat]Absence check using 11 positive and 1 generalized place invariants in 2 ms returned sat
[2026-05-23 08:59:31] [INFO ] [Nat]Absence check using state equation in 296 ms returned sat
[2026-05-23 08:59:31] [INFO ] Computed and/alt/rep : 988/1274/988 causal constraints (skipped 184 transitions) in 54 ms.
[2026-05-23 08:59:33] [INFO ] Added : 116 causal constraints over 24 iterations in 1570 ms. Result :sat
Minimization took 503 ms.
[2026-05-23 08:59:34] [INFO ] [Real]Absence check using 11 positive place invariants in 20 ms returned sat
[2026-05-23 08:59:34] [INFO ] [Real]Absence check using 11 positive and 1 generalized place invariants in 1 ms returned sat
[2026-05-23 08:59:34] [INFO ] [Real]Absence check using state equation in 337 ms returned sat
[2026-05-23 08:59:34] [INFO ] Computed and/alt/rep : 988/1274/988 causal constraints (skipped 184 transitions) in 61 ms.
[2026-05-23 08:59:34] [INFO ] Solution in real domain found non-integer solution.
[2026-05-23 08:59:34] [INFO ] [Nat]Absence check using 11 positive place invariants in 22 ms returned sat
[2026-05-23 08:59:34] [INFO ] [Nat]Absence check using 11 positive and 1 generalized place invariants in 1 ms returned sat
[2026-05-23 08:59:35] [INFO ] [Nat]Absence check using state equation in 313 ms returned sat
[2026-05-23 08:59:35] [INFO ] Computed and/alt/rep : 988/1274/988 causal constraints (skipped 184 transitions) in 58 ms.
[2026-05-23 08:59:36] [INFO ] Added : 117 causal constraints over 24 iterations in 1484 ms. Result :sat
Minimization took 511 ms.
[2026-05-23 08:59:37] [INFO ] [Real]Absence check using 11 positive place invariants in 20 ms returned sat
[2026-05-23 08:59:37] [INFO ] [Real]Absence check using 11 positive and 1 generalized place invariants in 1 ms returned sat
[2026-05-23 08:59:37] [INFO ] [Real]Absence check using state equation in 308 ms returned sat
[2026-05-23 08:59:37] [INFO ] Computed and/alt/rep : 988/1274/988 causal constraints (skipped 184 transitions) in 68 ms.
[2026-05-23 08:59:38] [INFO ] Solution in real domain found non-integer solution.
[2026-05-23 08:59:38] [INFO ] [Nat]Absence check using 11 positive place invariants in 22 ms returned sat
[2026-05-23 08:59:38] [INFO ] [Nat]Absence check using 11 positive and 1 generalized place invariants in 1 ms returned sat
[2026-05-23 08:59:38] [INFO ] [Nat]Absence check using state equation in 313 ms returned sat
[2026-05-23 08:59:38] [INFO ] Computed and/alt/rep : 988/1274/988 causal constraints (skipped 184 transitions) in 54 ms.
[2026-05-23 08:59:39] [INFO ] Added : 100 causal constraints over 20 iterations in 1238 ms. Result :sat
Minimization took 503 ms.
[2026-05-23 08:59:40] [INFO ] [Real]Absence check using 11 positive place invariants in 32 ms returned sat
[2026-05-23 08:59:40] [INFO ] [Real]Absence check using 11 positive and 1 generalized place invariants in 1 ms returned sat
[2026-05-23 08:59:40] [INFO ] [Real]Absence check using state equation in 342 ms returned sat
[2026-05-23 08:59:41] [INFO ] Computed and/alt/rep : 988/1274/988 causal constraints (skipped 184 transitions) in 47 ms.
[2026-05-23 08:59:41] [INFO ] Solution in real domain found non-integer solution.
[2026-05-23 08:59:41] [INFO ] [Nat]Absence check using 11 positive place invariants in 21 ms returned sat
[2026-05-23 08:59:41] [INFO ] [Nat]Absence check using 11 positive and 1 generalized place invariants in 2 ms returned sat
[2026-05-23 08:59:41] [INFO ] [Nat]Absence check using state equation in 375 ms returned sat
[2026-05-23 08:59:41] [INFO ] Computed and/alt/rep : 988/1274/988 causal constraints (skipped 184 transitions) in 55 ms.
[2026-05-23 08:59:43] [INFO ] Added : 140 causal constraints over 28 iterations in 1919 ms. Result :sat
Minimization took 515 ms.
[2026-05-23 08:59:44] [INFO ] [Real]Absence check using 11 positive place invariants in 19 ms returned sat
[2026-05-23 08:59:44] [INFO ] [Real]Absence check using 11 positive and 1 generalized place invariants in 2 ms returned sat
[2026-05-23 08:59:44] [INFO ] [Real]Absence check using state equation in 295 ms returned sat
[2026-05-23 08:59:44] [INFO ] Solution in real domain found non-integer solution.
[2026-05-23 08:59:45] [INFO ] [Nat]Absence check using 11 positive place invariants in 21 ms returned sat
[2026-05-23 08:59:45] [INFO ] [Nat]Absence check using 11 positive and 1 generalized place invariants in 1 ms returned sat
[2026-05-23 08:59:45] [INFO ] [Nat]Absence check using state equation in 287 ms returned sat
[2026-05-23 08:59:46] [INFO ] Trap strengthening (SAT) tested/added 3/2 trap constraints in 635 ms
[2026-05-23 08:59:46] [INFO ] Computed and/alt/rep : 988/1274/988 causal constraints (skipped 184 transitions) in 64 ms.
[2026-05-23 08:59:48] [INFO ] Trap strengthening (SAT) tested/added 2/1 trap constraints in 222 ms
[2026-05-23 08:59:48] [INFO ] Added : 149 causal constraints over 30 iterations in 2147 ms. Result :sat
Minimization took 503 ms.
Current structural bounds on expressions (after SMT) : Max Seen:[0, 0, 0, 0, 0, 0] Max Struct:[1, 1, 1, 1, 1, 1]
Current structural bounds on expressions (After Parikh guided walk) : Max Seen:[0, 0, 0, 0, 0, 0] Max Struct:[1, 1, 1, 1, 1, 1]
Support contains 6 out of 973 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 973/973 places, 1173/1173 transitions.
Graph (trivial) has 996 edges and 973 vertex of which 3 / 973 are part of one of the 1 SCC in 10 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 1567 edges and 971 vertex of which 915 are kept as prefixes of interest. Removing 56 places using SCC suffix rule.2 ms
Discarding 56 places :
Also discarding 24 output transitions
Drop transitions (Output transitions of discarded places.) removed 24 transitions
Drop transitions (Empty/Sink Transition effects.) removed 33 transitions
Reduce isomorphic transitions removed 33 transitions.
Drop transitions (Trivial Post-Agglo cleanup.) removed 597 transitions
Trivial Post-agglo rules discarded 597 transitions
Performed 597 trivial Post agglomeration. Transition count delta: 597
Iterating post reduction 0 with 630 rules applied. Total rules applied 632 place count 915 transition count 516
Reduce places removed 597 places and 0 transitions.
Ensure Unique test removed 16 transitions
Reduce isomorphic transitions removed 16 transitions.
Drop transitions (Trivial Post-Agglo cleanup.) removed 13 transitions
Trivial Post-agglo rules discarded 13 transitions
Performed 13 trivial Post agglomeration. Transition count delta: 13
Iterating post reduction 1 with 626 rules applied. Total rules applied 1258 place count 318 transition count 487
Reduce places removed 13 places and 0 transitions.
Ensure Unique test removed 11 transitions
Reduce isomorphic transitions removed 11 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 2 with 28 rules applied. Total rules applied 1286 place count 305 transition count 472
Reduce places removed 4 places and 0 transitions.
Ensure Unique test removed 2 transitions
Reduce isomorphic transitions removed 2 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 3 with 8 rules applied. Total rules applied 1294 place count 301 transition count 468
Reduce places removed 2 places and 0 transitions.
Ensure Unique test removed 2 transitions
Reduce isomorphic transitions removed 2 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 4 with 6 rules applied. Total rules applied 1300 place count 299 transition count 464
Reduce places removed 2 places and 0 transitions.
Ensure Unique test removed 2 transitions
Reduce isomorphic transitions removed 2 transitions.
Performed 4 Post agglomeration using F-continuation condition.Transition count delta: 4
Iterating post reduction 5 with 8 rules applied. Total rules applied 1308 place count 297 transition count 458
Reduce places removed 4 places and 0 transitions.
Iterating post reduction 6 with 4 rules applied. Total rules applied 1312 place count 293 transition count 458
Performed 1 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 7 with 1 Pre rules applied. Total rules applied 1312 place count 293 transition count 457
Deduced a syphon composed of 1 places in 1 ms
Reduce places removed 1 places and 0 transitions.
Iterating global reduction 7 with 2 rules applied. Total rules applied 1314 place count 292 transition count 457
Discarding 47 places :
Symmetric choice reduction at 7 with 47 rule applications. Total rules 1361 place count 245 transition count 410
Iterating global reduction 7 with 47 rules applied. Total rules applied 1408 place count 245 transition count 410
Performed 13 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 7 with 13 Pre rules applied. Total rules applied 1408 place count 245 transition count 397
Deduced a syphon composed of 13 places in 1 ms
Reduce places removed 13 places and 0 transitions.
Iterating global reduction 7 with 26 rules applied. Total rules applied 1434 place count 232 transition count 397
Discarding 28 places :
Symmetric choice reduction at 7 with 28 rule applications. Total rules 1462 place count 204 transition count 353
Iterating global reduction 7 with 28 rules applied. Total rules applied 1490 place count 204 transition count 353
Ensure Unique test removed 6 transitions
Reduce isomorphic transitions removed 6 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 7 rules applied. Total rules applied 1497 place count 204 transition count 346
Reduce places removed 1 places and 0 transitions.
Iterating post reduction 8 with 1 rules applied. Total rules applied 1498 place count 203 transition count 346
Discarding 4 places :
Symmetric choice reduction at 9 with 4 rule applications. Total rules 1502 place count 199 transition count 341
Iterating global reduction 9 with 4 rules applied. Total rules applied 1506 place count 199 transition count 341
Ensure Unique test removed 4 transitions
Reduce isomorphic transitions removed 4 transitions.
Iterating post reduction 9 with 4 rules applied. Total rules applied 1510 place count 199 transition count 337
Performed 76 Post agglomeration using F-continuation condition with reduction of 12 identical transitions.
Deduced a syphon composed of 76 places in 0 ms
Reduce places removed 76 places and 0 transitions.
Iterating global reduction 10 with 152 rules applied. Total rules applied 1662 place count 123 transition count 249
Ensure Unique test removed 4 transitions
Reduce isomorphic transitions removed 4 transitions.
Iterating post reduction 10 with 4 rules applied. Total rules applied 1666 place count 123 transition count 245
Performed 39 Post agglomeration using F-continuation condition.Transition count delta: -39
Deduced a syphon composed of 39 places in 0 ms
Reduce places removed 39 places and 0 transitions.
Iterating global reduction 11 with 78 rules applied. Total rules applied 1744 place count 84 transition count 284
Drop transitions (Empty/Sink Transition effects.) removed 21 transitions
Ensure Unique test removed 20 transitions
Reduce isomorphic transitions removed 41 transitions.
Iterating post reduction 11 with 41 rules applied. Total rules applied 1785 place count 84 transition count 243
Discarding 26 places :
Symmetric choice reduction at 12 with 26 rule applications. Total rules 1811 place count 58 transition count 154
Iterating global reduction 12 with 26 rules applied. Total rules applied 1837 place count 58 transition count 154
Ensure Unique test removed 17 transitions
Reduce isomorphic transitions removed 17 transitions.
Iterating post reduction 12 with 17 rules applied. Total rules applied 1854 place count 58 transition count 137
Discarding 7 places :
Symmetric choice reduction at 13 with 7 rule applications. Total rules 1861 place count 51 transition count 102
Iterating global reduction 13 with 7 rules applied. Total rules applied 1868 place count 51 transition count 102
Ensure Unique test removed 5 transitions
Reduce isomorphic transitions removed 5 transitions.
Iterating post reduction 13 with 5 rules applied. Total rules applied 1873 place count 51 transition count 97
Performed 2 Post agglomeration using F-continuation condition.Transition count delta: -25
Deduced a syphon composed of 2 places in 0 ms
Reduce places removed 2 places and 0 transitions.
Iterating global reduction 14 with 4 rules applied. Total rules applied 1877 place count 49 transition count 122
Drop transitions (Empty/Sink Transition effects.) removed 6 transitions
Reduce isomorphic transitions removed 6 transitions.
Iterating post reduction 14 with 6 rules applied. Total rules applied 1883 place count 49 transition count 116
Drop transitions (Redundant composition of simpler transitions.) removed 18 transitions
Redundant transition composition rules discarded 18 transitions
Iterating global reduction 15 with 18 rules applied. Total rules applied 1901 place count 49 transition count 98
Free-agglomeration rule applied 8 times.
Iterating global reduction 15 with 8 rules applied. Total rules applied 1909 place count 49 transition count 90
Reduce places removed 8 places and 0 transitions.
Drop transitions (Empty/Sink Transition effects.) removed 2 transitions
Reduce isomorphic transitions removed 2 transitions.
Iterating post reduction 15 with 10 rules applied. Total rules applied 1919 place count 41 transition count 88
Partial Free-agglomeration rule applied 1 times.
Drop transitions (Partial Free agglomeration) removed 1 transitions
Iterating global reduction 16 with 1 rules applied. Total rules applied 1920 place count 41 transition count 88
Reduce places removed 1 places and 1 transitions.
Iterating global reduction 16 with 1 rules applied. Total rules applied 1921 place count 40 transition count 87
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 t731.t732.t1159.t639.t640.t641 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 20 edges and 36 vertex of which 2 / 36 are part of one of the 1 SCC in 0 ms
Free SCC test removed 1 places
Iterating post reduction 16 with 3 rules applied. Total rules applied 1924 place count 35 transition count 85
Drop transitions (Empty/Sink Transition effects.) removed 2 transitions
Ensure Unique test removed 1 transitions
Reduce isomorphic transitions removed 3 transitions.
Iterating post reduction 17 with 3 rules applied. Total rules applied 1927 place count 35 transition count 82
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 18 with 2 rules applied. Total rules applied 1929 place count 34 transition count 81
Discarding 1 places :
Symmetric choice reduction at 18 with 1 rule applications. Total rules 1930 place count 33 transition count 78
Iterating global reduction 18 with 1 rules applied. Total rules applied 1931 place count 33 transition count 78
Drop transitions (Redundant composition of simpler transitions.) removed 21 transitions
Redundant transition composition rules discarded 21 transitions
Iterating global reduction 18 with 21 rules applied. Total rules applied 1952 place count 33 transition count 57
Discarding 2 places :
Symmetric choice reduction at 18 with 2 rule applications. Total rules 1954 place count 31 transition count 53
Iterating global reduction 18 with 2 rules applied. Total rules applied 1956 place count 31 transition count 53
Ensure Unique test removed 2 transitions
Reduce isomorphic transitions removed 2 transitions.
Iterating post reduction 18 with 2 rules applied. Total rules applied 1958 place count 31 transition count 51
Free-agglomeration rule applied 8 times.
Iterating global reduction 19 with 8 rules applied. Total rules applied 1966 place count 31 transition count 43
Reduce places removed 8 places and 0 transitions.
Iterating post reduction 19 with 8 rules applied. Total rules applied 1974 place count 23 transition count 43
Drop transitions (Redundant composition of simpler transitions.) removed 4 transitions
Redundant transition composition rules discarded 4 transitions
Iterating global reduction 20 with 4 rules applied. Total rules applied 1978 place count 23 transition count 39
Applied a total of 1978 rules in 161 ms. Remains 23 /973 variables (removed 950) and now considering 39/1173 (removed 1134) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 169 ms. Remains : 23/973 places, 39/1173 transitions.
Running PetriSpot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.petrispot.binaries_1.0.0.202604301425/bin/petri64' '--loadKERS=/tmp/petrispot-input-7778683791764942317.kers' '--Pflows' '--basisKERS=/tmp/petrispot-output-2036468185372746634.kers'
[2026-05-23 08:59:48] [INFO ] Running PetriSpot with arguments : [--loadKERS=/tmp/petrispot-input-7778683791764942317.kers, --Pflows, --basisKERS=/tmp/petrispot-output-2036468185372746634.kers]
Culling duplicate invariants (modulo rational): removing 2 columns.
Culled 2 columns in 0 ms.
// Phase 1: matrix 39 rows 21 cols 101 entries
Finished phase 1 with 16 SingleSign rule and 1 generalized
[2026-05-23 08:59:48] [INFO ] Computed 6 invariants in 0 ms
Computed 6 P flows in 0 ms.
Exported basis to /tmp/petrispot-output-2036468185372746634.kers
Total runtime 0 ms.
Current structural bounds on expressions (after invariants) : Max Seen:[0, 0, 0, 0, 0, 0] Max Struct:[1, 1, 1, 1, 1, 1]
RANDOM walk for 1000000 steps (2 resets) in 800 ms. (1248 steps per ms)
FORMULA CO4-PT-19-UpperBounds-13 1 TECHNIQUES TOPOLOGICAL BESTFIRST_WALK
FORMULA CO4-PT-19-UpperBounds-09 1 TECHNIQUES TOPOLOGICAL BESTFIRST_WALK
FORMULA CO4-PT-19-UpperBounds-08 1 TECHNIQUES TOPOLOGICAL BESTFIRST_WALK
FORMULA CO4-PT-19-UpperBounds-06 1 TECHNIQUES TOPOLOGICAL BESTFIRST_WALK
FORMULA CO4-PT-19-UpperBounds-05 1 TECHNIQUES TOPOLOGICAL BESTFIRST_WALK
FORMULA CO4-PT-19-UpperBounds-02 1 TECHNIQUES TOPOLOGICAL BESTFIRST_WALK
BEST_FIRST walk for 1000001 steps (2 resets) in 288 ms. (3460 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[] Max Struct:[]
All properties solved without resorting to model-checking.
Total runtime 23741 ms.

BK_STOP 1779526790054

--------------------
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-19"
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-19, 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-177946967700429"
echo "====================================================================="
echo
echo "--------------------"
echo "preparation of the directory to be used:"

tar xzf /home/mcc/BenchKit/INPUTS/CO4-PT-19.tgz
mv CO4-PT-19 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 '' UpperBounds.xml | cut -d '>' -f 2 | cut -d '<' -f 1 | sort -u) ; do
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 ;