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-177946967700349.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-09, examination is UpperBounds
Time confinement is 3600 seconds
Memory confinement is 16384 MBytes
Number of cores is 4
Run identifier is r066-tall-177946967700349
=====================================================================

--------------------
preparation of the directory to be used:
/home/mcc/execution
total 644K
-rw-r--r-- 1 mcc users 4.9K Mar 6 13:25 CTLCardinality.txt
-rw-r--r-- 1 mcc users 49K Mar 6 13:25 CTLCardinality.xml
-rw-r--r-- 1 mcc users 5.9K Mar 6 13:25 CTLFireability.txt
-rw-r--r-- 1 mcc users 56K Mar 6 13:25 CTLFireability.xml
-rw-r--r-- 1 mcc users 3.7K Mar 15 08:30 LTLCardinality.txt
-rw-r--r-- 1 mcc users 28K Mar 15 08:30 LTLCardinality.xml
-rw-r--r-- 1 mcc users 2.2K Mar 15 08:30 LTLFireability.txt
-rw-r--r-- 1 mcc users 19K Mar 15 08:30 LTLFireability.xml
-rw-r--r-- 1 mcc users 15K Mar 6 13:25 ReachabilityCardinality.txt
-rw-r--r-- 1 mcc users 176K Mar 6 13:25 ReachabilityCardinality.xml
-rw-r--r-- 1 mcc users 9.6K Mar 6 13:25 ReachabilityFireability.txt
-rw-r--r-- 1 mcc users 86K Mar 6 13:25 ReachabilityFireability.xml
-rw-r--r-- 1 mcc users 1.5K Mar 15 08:30 UpperBounds.txt
-rw-r--r-- 1 mcc users 3.5K Mar 15 08:30 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 152K 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-09-UpperBounds-00
FORMULA_NAME CO4-PT-09-UpperBounds-01
FORMULA_NAME CO4-PT-09-UpperBounds-02
FORMULA_NAME CO4-PT-09-UpperBounds-03
FORMULA_NAME CO4-PT-09-UpperBounds-04
FORMULA_NAME CO4-PT-09-UpperBounds-05
FORMULA_NAME CO4-PT-09-UpperBounds-06
FORMULA_NAME CO4-PT-09-UpperBounds-07
FORMULA_NAME CO4-PT-09-UpperBounds-08
FORMULA_NAME CO4-PT-09-UpperBounds-09
FORMULA_NAME CO4-PT-09-UpperBounds-10
FORMULA_NAME CO4-PT-09-UpperBounds-11
FORMULA_NAME CO4-PT-09-UpperBounds-12
FORMULA_NAME CO4-PT-09-UpperBounds-13
FORMULA_NAME CO4-PT-09-UpperBounds-14
FORMULA_NAME CO4-PT-09-UpperBounds-15

=== Now, execution of the tool begins

BK_START 1779522155177

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-09
BK_MEMORY_CONFINEMENT=16384
Not applying reductions.
Model is PT
UpperBounds PT
Running Version 202604301425
[2026-05-23 07:42:36] [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 07:42:36] [INFO ] Parsing pnml file : /home/mcc/execution/model.pnml
[2026-05-23 07:42:36] [INFO ] Load time of PNML (sax parser for PT used): 88 ms
[2026-05-23 07:42:36] [INFO ] Transformed 467 places.
[2026-05-23 07:42:36] [INFO ] Transformed 634 transitions.
[2026-05-23 07:42:36] [INFO ] Found NUPN structural information;
[2026-05-23 07:42:36] [INFO ] Parsed PT model containing 467 places and 634 transitions and 1868 arcs in 178 ms.
Parsed 16 properties from file /home/mcc/execution/UpperBounds.xml in 6 ms.
Deduced a syphon composed of 108 places in 6 ms
Reduce places removed 108 places and 163 transitions.
FORMULA CO4-PT-09-UpperBounds-06 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, 0, 0] Max Struct:[1, 1, 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, 0, 0] Max Struct:[1, 1, 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-15505966986869223207.kers' '--Pflows' '--basisKERS=/tmp/petrispot-output-8300104413454188001.kers'
[2026-05-23 07:42:36] [INFO ] Running PetriSpot with arguments : [--loadKERS=/tmp/petrispot-input-15505966986869223207.kers, --Pflows, --basisKERS=/tmp/petrispot-output-8300104413454188001.kers]
Culled 0 columns in 0 ms.
// Phase 1: matrix 471 rows 359 cols 1342 entries
Finished phase 1 with 340 SingleSign rule and 10 generalized
[2026-05-23 07:42:36] [INFO ] Computed 9 invariants in 3 ms
Computed 9 P flows in 4 ms.
Exported basis to /tmp/petrispot-output-8300104413454188001.kers
Total runtime 5 ms.
Current structural bounds on expressions (after invariants) : Max Seen:[0, 0, 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, 1, 1]
RANDOM walk for 10000 steps (144 resets) in 60 ms. (163 steps per ms)
FORMULA CO4-PT-09-UpperBounds-14 1 TECHNIQUES TOPOLOGICAL BESTFIRST_WALK
FORMULA CO4-PT-09-UpperBounds-09 1 TECHNIQUES TOPOLOGICAL BESTFIRST_WALK
FORMULA CO4-PT-09-UpperBounds-05 1 TECHNIQUES TOPOLOGICAL BESTFIRST_WALK
FORMULA CO4-PT-09-UpperBounds-04 1 TECHNIQUES TOPOLOGICAL BESTFIRST_WALK
FORMULA CO4-PT-09-UpperBounds-03 1 TECHNIQUES TOPOLOGICAL BESTFIRST_WALK
FORMULA CO4-PT-09-UpperBounds-01 1 TECHNIQUES TOPOLOGICAL BESTFIRST_WALK
FORMULA CO4-PT-09-UpperBounds-00 1 TECHNIQUES TOPOLOGICAL BESTFIRST_WALK
BEST_FIRST walk for 80003 steps (503 resets) in 132 ms. (601 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[0, 0, 0, 0, 0, 0, 0, 0] Max Struct:[1, 1, 1, 1, 1, 1, 1, 1]
[2026-05-23 07:42:36] [INFO ] Invariant cache hit.
[2026-05-23 07:42:37] [INFO ] [Real]Absence check using 8 positive place invariants in 18 ms returned sat
[2026-05-23 07:42:37] [INFO ] [Real]Absence check using 8 positive and 1 generalized place invariants in 6 ms returned sat
[2026-05-23 07:42:37] [INFO ] [Real]Absence check using state equation in 124 ms returned sat
[2026-05-23 07:42:37] [INFO ] Solution in real domain found non-integer solution.
[2026-05-23 07:42:37] [INFO ] [Nat]Absence check using 8 positive place invariants in 21 ms returned sat
[2026-05-23 07:42:37] [INFO ] [Nat]Absence check using 8 positive and 1 generalized place invariants in 3 ms returned sat
[2026-05-23 07:42:37] [INFO ] [Nat]Absence check using state equation in 125 ms returned sat
[2026-05-23 07:42:37] [INFO ] Computed and/alt/rep : 366/633/366 causal constraints (skipped 104 transitions) in 32 ms.
[2026-05-23 07:42:38] [INFO ] Added : 78 causal constraints over 16 iterations in 515 ms. Result :sat
Minimization took 192 ms.
[2026-05-23 07:42:38] [INFO ] [Real]Absence check using 8 positive place invariants in 43 ms returned sat
[2026-05-23 07:42:38] [INFO ] [Real]Absence check using 8 positive and 1 generalized place invariants in 9 ms returned sat
[2026-05-23 07:42:38] [INFO ] [Real]Absence check using state equation in 170 ms returned sat
[2026-05-23 07:42:38] [INFO ] Solution in real domain found non-integer solution.
[2026-05-23 07:42:38] [INFO ] [Nat]Absence check using 8 positive place invariants in 14 ms returned sat
[2026-05-23 07:42:38] [INFO ] [Nat]Absence check using 8 positive and 1 generalized place invariants in 5 ms returned sat
[2026-05-23 07:42:38] [INFO ] [Nat]Absence check using state equation in 126 ms returned sat
[2026-05-23 07:42:38] [INFO ] Computed and/alt/rep : 366/633/366 causal constraints (skipped 104 transitions) in 35 ms.
[2026-05-23 07:42:39] [INFO ] Trap strengthening (SAT) tested/added 2/1 trap constraints in 189 ms
[2026-05-23 07:42:39] [INFO ] Added : 83 causal constraints over 17 iterations in 742 ms. Result :sat
Minimization took 219 ms.
[2026-05-23 07:42:40] [INFO ] [Real]Absence check using 8 positive place invariants in 8 ms returned sat
[2026-05-23 07:42:40] [INFO ] [Real]Absence check using 8 positive and 1 generalized place invariants in 1 ms returned sat
[2026-05-23 07:42:40] [INFO ] [Real]Absence check using state equation in 110 ms returned sat
[2026-05-23 07:42:40] [INFO ] Computed and/alt/rep : 366/633/366 causal constraints (skipped 104 transitions) in 28 ms.
[2026-05-23 07:42:40] [INFO ] Solution in real domain found non-integer solution.
[2026-05-23 07:42:40] [INFO ] [Nat]Absence check using 8 positive place invariants in 9 ms returned sat
[2026-05-23 07:42:40] [INFO ] [Nat]Absence check using 8 positive and 1 generalized place invariants in 1 ms returned sat
[2026-05-23 07:42:40] [INFO ] [Nat]Absence check using state equation in 109 ms returned sat
[2026-05-23 07:42:40] [INFO ] Computed and/alt/rep : 366/633/366 causal constraints (skipped 104 transitions) in 27 ms.
[2026-05-23 07:42:41] [INFO ] Trap strengthening (SAT) tested/added 9/8 trap constraints in 850 ms
[2026-05-23 07:42:41] [INFO ] Added : 70 causal constraints over 15 iterations in 1360 ms. Result :sat
Minimization took 265 ms.
[2026-05-23 07:42:42] [INFO ] [Real]Absence check using 8 positive place invariants in 14 ms returned sat
[2026-05-23 07:42:42] [INFO ] [Real]Absence check using 8 positive and 1 generalized place invariants in 4 ms returned sat
[2026-05-23 07:42:42] [INFO ] [Real]Absence check using state equation in 117 ms returned sat
[2026-05-23 07:42:42] [INFO ] Computed and/alt/rep : 366/633/366 causal constraints (skipped 104 transitions) in 28 ms.
[2026-05-23 07:42:42] [INFO ] Solution in real domain found non-integer solution.
[2026-05-23 07:42:42] [INFO ] [Nat]Absence check using 8 positive place invariants in 15 ms returned sat
[2026-05-23 07:42:42] [INFO ] [Nat]Absence check using 8 positive and 1 generalized place invariants in 6 ms returned sat
[2026-05-23 07:42:42] [INFO ] [Nat]Absence check using state equation in 124 ms returned sat
[2026-05-23 07:42:42] [INFO ] Trap strengthening (SAT) tested/added 2/1 trap constraints in 206 ms
[2026-05-23 07:42:42] [INFO ] Computed and/alt/rep : 366/633/366 causal constraints (skipped 104 transitions) in 19 ms.
[2026-05-23 07:42:43] [INFO ] Trap strengthening (SAT) tested/added 2/1 trap constraints in 176 ms
[2026-05-23 07:42:43] [INFO ] Added : 61 causal constraints over 13 iterations in 560 ms. Result :sat
Minimization took 172 ms.
[2026-05-23 07:42:43] [INFO ] [Real]Absence check using 8 positive place invariants in 14 ms returned sat
[2026-05-23 07:42:43] [INFO ] [Real]Absence check using 8 positive and 1 generalized place invariants in 4 ms returned sat
[2026-05-23 07:42:43] [INFO ] [Real]Absence check using state equation in 122 ms returned sat
[2026-05-23 07:42:43] [INFO ] Solution in real domain found non-integer solution.
[2026-05-23 07:42:43] [INFO ] [Nat]Absence check using 8 positive place invariants in 15 ms returned sat
[2026-05-23 07:42:43] [INFO ] [Nat]Absence check using 8 positive and 1 generalized place invariants in 4 ms returned sat
[2026-05-23 07:42:44] [INFO ] [Nat]Absence check using state equation in 118 ms returned sat
[2026-05-23 07:42:44] [INFO ] Computed and/alt/rep : 366/633/366 causal constraints (skipped 104 transitions) in 26 ms.
[2026-05-23 07:42:44] [INFO ] Added : 85 causal constraints over 17 iterations in 511 ms. Result :sat
Minimization took 170 ms.
[2026-05-23 07:42:44] [INFO ] [Real]Absence check using 8 positive place invariants in 14 ms returned sat
[2026-05-23 07:42:44] [INFO ] [Real]Absence check using 8 positive and 1 generalized place invariants in 3 ms returned sat
[2026-05-23 07:42:44] [INFO ] [Real]Absence check using state equation in 111 ms returned sat
[2026-05-23 07:42:45] [INFO ] Solution in real domain found non-integer solution.
[2026-05-23 07:42:45] [INFO ] [Nat]Absence check using 8 positive place invariants in 14 ms returned sat
[2026-05-23 07:42:45] [INFO ] [Nat]Absence check using 8 positive and 1 generalized place invariants in 4 ms returned sat
[2026-05-23 07:42:45] [INFO ] [Nat]Absence check using state equation in 116 ms returned sat
[2026-05-23 07:42:45] [INFO ] Computed and/alt/rep : 366/633/366 causal constraints (skipped 104 transitions) in 24 ms.
[2026-05-23 07:42:45] [INFO ] Trap strengthening (SAT) tested/added 2/1 trap constraints in 142 ms
[2026-05-23 07:42:45] [INFO ] Added : 88 causal constraints over 19 iterations in 781 ms. Result :sat
Minimization took 167 ms.
[2026-05-23 07:42:46] [INFO ] [Real]Absence check using 8 positive place invariants in 17 ms returned sat
[2026-05-23 07:42:46] [INFO ] [Real]Absence check using 8 positive and 1 generalized place invariants in 4 ms returned sat
[2026-05-23 07:42:46] [INFO ] [Real]Absence check using state equation in 117 ms returned sat
[2026-05-23 07:42:46] [INFO ] Computed and/alt/rep : 366/633/366 causal constraints (skipped 104 transitions) in 26 ms.
[2026-05-23 07:42:46] [INFO ] Solution in real domain found non-integer solution.
[2026-05-23 07:42:46] [INFO ] [Nat]Absence check using 8 positive place invariants in 15 ms returned sat
[2026-05-23 07:42:46] [INFO ] [Nat]Absence check using 8 positive and 1 generalized place invariants in 3 ms returned sat
[2026-05-23 07:42:46] [INFO ] [Nat]Absence check using state equation in 114 ms returned sat
[2026-05-23 07:42:46] [INFO ] Computed and/alt/rep : 366/633/366 causal constraints (skipped 104 transitions) in 25 ms.
[2026-05-23 07:42:47] [INFO ] Added : 72 causal constraints over 15 iterations in 441 ms. Result :sat
Minimization took 258 ms.
[2026-05-23 07:42:47] [INFO ] [Real]Absence check using 8 positive place invariants in 14 ms returned sat
[2026-05-23 07:42:47] [INFO ] [Real]Absence check using 8 positive and 1 generalized place invariants in 3 ms returned sat
[2026-05-23 07:42:47] [INFO ] [Real]Absence check using state equation in 109 ms returned sat
[2026-05-23 07:42:47] [INFO ] Solution in real domain found non-integer solution.
[2026-05-23 07:42:47] [INFO ] [Nat]Absence check using 8 positive place invariants in 15 ms returned sat
[2026-05-23 07:42:47] [INFO ] [Nat]Absence check using 8 positive and 1 generalized place invariants in 4 ms returned sat
[2026-05-23 07:42:47] [INFO ] [Nat]Absence check using state equation in 115 ms returned sat
[2026-05-23 07:42:47] [INFO ] Computed and/alt/rep : 366/633/366 causal constraints (skipped 104 transitions) in 24 ms.
[2026-05-23 07:42:48] [INFO ] Added : 76 causal constraints over 16 iterations in 459 ms. Result :sat
Minimization took 214 ms.
Current structural bounds on expressions (after SMT) : Max Seen:[0, 0, 0, 0, 0, 0, 0, 0] Max Struct:[1, 1, 1, 1, 1, 1, 1, 1]
FORMULA CO4-PT-09-UpperBounds-15 1 TECHNIQUES TOPOLOGICAL PARIKH_WALK
FORMULA CO4-PT-09-UpperBounds-13 1 TECHNIQUES TOPOLOGICAL PARIKH_WALK
FORMULA CO4-PT-09-UpperBounds-12 1 TECHNIQUES TOPOLOGICAL PARIKH_WALK
FORMULA CO4-PT-09-UpperBounds-11 1 TECHNIQUES TOPOLOGICAL PARIKH_WALK
FORMULA CO4-PT-09-UpperBounds-10 1 TECHNIQUES TOPOLOGICAL PARIKH_WALK
FORMULA CO4-PT-09-UpperBounds-07 1 TECHNIQUES TOPOLOGICAL PARIKH_WALK
Current structural bounds on expressions (After Parikh guided walk) : Max Seen:[0, 0] Max Struct:[1, 1]
Support contains 2 out of 359 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 359/359 places, 471/471 transitions.
Graph (trivial) has 363 edges and 359 vertex of which 2 / 359 are part of one of the 1 SCC in 6 ms
Free SCC test removed 1 places
Drop transitions (Empty/Sink Transition effects.) removed 2 transitions
Reduce isomorphic transitions removed 2 transitions.
Graph (complete) has 757 edges and 358 vertex of which 323 are kept as prefixes of interest. Removing 35 places using SCC suffix rule.1 ms
Discarding 35 places :
Also discarding 17 output transitions
Drop transitions (Output transitions of discarded places.) removed 17 transitions
Drop transitions (Empty/Sink Transition effects.) removed 22 transitions
Reduce isomorphic transitions removed 22 transitions.
Drop transitions (Trivial Post-Agglo cleanup.) removed 166 transitions
Trivial Post-agglo rules discarded 166 transitions
Performed 166 trivial Post agglomeration. Transition count delta: 166
Iterating post reduction 0 with 188 rules applied. Total rules applied 190 place count 323 transition count 264
Reduce places removed 166 places and 0 transitions.
Ensure Unique test removed 10 transitions
Reduce isomorphic transitions removed 10 transitions.
Drop transitions (Trivial Post-Agglo cleanup.) removed 8 transitions
Trivial Post-agglo rules discarded 8 transitions
Performed 8 trivial Post agglomeration. Transition count delta: 8
Iterating post reduction 1 with 184 rules applied. Total rules applied 374 place count 157 transition count 246
Reduce places removed 8 places and 0 transitions.
Ensure Unique test removed 8 transitions
Reduce isomorphic transitions removed 8 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 18 rules applied. Total rules applied 392 place count 149 transition count 236
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 3 with 6 rules applied. Total rules applied 398 place count 147 transition count 232
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 404 place count 145 transition count 228
Reduce places removed 2 places and 0 transitions.
Ensure Unique test removed 2 transitions
Reduce isomorphic transitions removed 2 transitions.
Iterating post reduction 5 with 4 rules applied. Total rules applied 408 place count 143 transition count 226
Performed 1 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 6 with 1 Pre rules applied. Total rules applied 408 place count 143 transition count 225
Deduced a syphon composed of 1 places in 1 ms
Reduce places removed 1 places and 0 transitions.
Iterating global reduction 6 with 2 rules applied. Total rules applied 410 place count 142 transition count 225
Discarding 25 places :
Symmetric choice reduction at 6 with 25 rule applications. Total rules 435 place count 117 transition count 200
Iterating global reduction 6 with 25 rules applied. Total rules applied 460 place count 117 transition count 200
Performed 5 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 6 with 5 Pre rules applied. Total rules applied 460 place count 117 transition count 195
Deduced a syphon composed of 5 places in 0 ms
Reduce places removed 5 places and 0 transitions.
Iterating global reduction 6 with 10 rules applied. Total rules applied 470 place count 112 transition count 195
Discarding 15 places :
Symmetric choice reduction at 6 with 15 rule applications. Total rules 485 place count 97 transition count 156
Iterating global reduction 6 with 15 rules applied. Total rules applied 500 place count 97 transition count 156
Ensure Unique test removed 2 transitions
Reduce isomorphic transitions removed 2 transitions.
Iterating post reduction 6 with 2 rules applied. Total rules applied 502 place count 97 transition count 154
Discarding 1 places :
Symmetric choice reduction at 7 with 1 rule applications. Total rules 503 place count 96 transition count 153
Iterating global reduction 7 with 1 rules applied. Total rules applied 504 place count 96 transition count 153
Ensure Unique test removed 1 transitions
Reduce isomorphic transitions removed 1 transitions.
Iterating post reduction 7 with 1 rules applied. Total rules applied 505 place count 96 transition count 152
Performed 35 Post agglomeration using F-continuation condition with reduction of 4 identical transitions.
Deduced a syphon composed of 35 places in 0 ms
Reduce places removed 35 places and 0 transitions.
Iterating global reduction 8 with 70 rules applied. Total rules applied 575 place count 61 transition count 113
Drop transitions (Empty/Sink Transition effects.) removed 2 transitions
Reduce isomorphic transitions removed 2 transitions.
Graph (complete) has 214 edges and 61 vertex of which 60 are kept as prefixes of interest. Removing 1 places using SCC suffix rule.1 ms
Discarding 1 places :
Also discarding 0 output transitions
Iterating post reduction 8 with 3 rules applied. Total rules applied 578 place count 60 transition count 111
Performed 16 Post agglomeration using F-continuation condition.Transition count delta: -19
Deduced a syphon composed of 16 places in 0 ms
Reduce places removed 16 places and 0 transitions.
Iterating global reduction 9 with 32 rules applied. Total rules applied 610 place count 44 transition count 130
Drop transitions (Empty/Sink Transition effects.) removed 30 transitions
Ensure Unique test removed 8 transitions
Reduce isomorphic transitions removed 38 transitions.
Iterating post reduction 9 with 38 rules applied. Total rules applied 648 place count 44 transition count 92
Discarding 12 places :
Symmetric choice reduction at 10 with 12 rule applications. Total rules 660 place count 32 transition count 68
Iterating global reduction 10 with 12 rules applied. Total rules applied 672 place count 32 transition count 68
Ensure Unique test removed 9 transitions
Reduce isomorphic transitions removed 9 transitions.
Iterating post reduction 10 with 9 rules applied. Total rules applied 681 place count 32 transition count 59
Discarding 2 places :
Symmetric choice reduction at 11 with 2 rule applications. Total rules 683 place count 30 transition count 51
Iterating global reduction 11 with 2 rules applied. Total rules applied 685 place count 30 transition count 51
Ensure Unique test removed 1 transitions
Reduce isomorphic transitions removed 1 transitions.
Iterating post reduction 11 with 1 rules applied. Total rules applied 686 place count 30 transition count 50
Drop transitions (Redundant composition of simpler transitions.) removed 4 transitions
Redundant transition composition rules discarded 4 transitions
Iterating global reduction 12 with 4 rules applied. Total rules applied 690 place count 30 transition count 46
Discarding 1 places :
Symmetric choice reduction at 12 with 1 rule applications. Total rules 691 place count 29 transition count 44
Iterating global reduction 12 with 1 rules applied. Total rules applied 692 place count 29 transition count 44
Ensure Unique test removed 1 transitions
Reduce isomorphic transitions removed 1 transitions.
Iterating post reduction 12 with 1 rules applied. Total rules applied 693 place count 29 transition count 43
Free-agglomeration rule applied 8 times.
Iterating global reduction 13 with 8 rules applied. Total rules applied 701 place count 29 transition count 35
Reduce places removed 8 places and 0 transitions.
Drop transitions (Empty/Sink Transition effects.) removed 1 transitions
Reduce isomorphic transitions removed 1 transitions.
Iterating post reduction 13 with 9 rules applied. Total rules applied 710 place count 21 transition count 34
Reduce places removed 1 places and 1 transitions.
Iterating global reduction 14 with 1 rules applied. Total rules applied 711 place count 20 transition count 33
Reduce places removed 2 places and 0 transitions.
Drop transitions (Empty/Sink Transition effects.) removed 1 transitions
Reduce isomorphic transitions removed 1 transitions.
Iterating post reduction 14 with 3 rules applied. Total rules applied 714 place count 18 transition count 32
Drop transitions (Redundant composition of simpler transitions.) removed 1 transitions
Redundant transition composition rules discarded 1 transitions
Iterating global reduction 15 with 1 rules applied. Total rules applied 715 place count 18 transition count 31
Free-agglomeration rule applied 2 times.
Iterating global reduction 15 with 2 rules applied. Total rules applied 717 place count 18 transition count 29
Reduce places removed 2 places and 0 transitions.
Iterating post reduction 15 with 2 rules applied. Total rules applied 719 place count 16 transition count 29
Drop transitions (Redundant composition of simpler transitions.) removed 4 transitions
Redundant transition composition rules discarded 4 transitions
Iterating global reduction 16 with 4 rules applied. Total rules applied 723 place count 16 transition count 25
Free-agglomeration rule applied 1 times.
Iterating global reduction 16 with 1 rules applied. Total rules applied 724 place count 16 transition count 24
Reduce places removed 1 places and 0 transitions.
Iterating post reduction 16 with 1 rules applied. Total rules applied 725 place count 15 transition count 24
Drop transitions (Redundant composition of simpler transitions.) removed 2 transitions
Redundant transition composition rules discarded 2 transitions
Iterating global reduction 17 with 2 rules applied. Total rules applied 727 place count 15 transition count 22
Free-agglomeration rule applied 1 times.
Iterating global reduction 17 with 1 rules applied. Total rules applied 728 place count 15 transition count 21
Reduce places removed 1 places and 0 transitions.
Drop transitions (Empty/Sink Transition effects.) removed 2 transitions
Reduce isomorphic transitions removed 2 transitions.
Iterating post reduction 17 with 3 rules applied. Total rules applied 731 place count 14 transition count 19
Applied a total of 731 rules in 105 ms. Remains 14 /359 variables (removed 345) and now considering 19/471 (removed 452) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 113 ms. Remains : 14/359 places, 19/471 transitions.
Running PetriSpot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.petrispot.binaries_1.0.0.202604301425/bin/petri64' '--loadKERS=/tmp/petrispot-input-4614462345545739014.kers' '--Pflows' '--basisKERS=/tmp/petrispot-output-17349809811516926246.kers'
[2026-05-23 07:42:48] [INFO ] Running PetriSpot with arguments : [--loadKERS=/tmp/petrispot-input-4614462345545739014.kers, --Pflows, --basisKERS=/tmp/petrispot-output-17349809811516926246.kers]
Normalized transition count is 17 out of 19 initially.
Culling duplicate invariants (modulo rational): removing 2 columns.
Culled 2 columns in 0 ms.
// Phase 1: matrix 17 rows 12 cols 51 entries
Finished phase 1 with 7 SingleSign rule and 2 generalized
[2026-05-23 07:42:48] [INFO ] Computed 5 invariants in 0 ms
Computed 5 P flows in 0 ms.
Exported basis to /tmp/petrispot-output-17349809811516926246.kers
Total runtime 0 ms.
Current structural bounds on expressions (after invariants) : Max Seen:[0, 0] Max Struct:[1, 1]
RANDOM walk for 1000000 steps (2 resets) in 742 ms. (1345 steps per ms)
FORMULA CO4-PT-09-UpperBounds-08 1 TECHNIQUES TOPOLOGICAL BESTFIRST_WALK
FORMULA CO4-PT-09-UpperBounds-02 1 TECHNIQUES TOPOLOGICAL BESTFIRST_WALK
BEST_FIRST walk for 1000001 steps (2 resets) in 301 ms. (3311 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[] Max Struct:[]
All properties solved without resorting to model-checking.
Total runtime 13625 ms.

BK_STOP 1779522170065

--------------------
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-09"
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-09, 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-177946967700349"
echo "====================================================================="
echo
echo "--------------------"
echo "preparation of the directory to be used:"

tar xzf /home/mcc/BenchKit/INPUTS/CO4-PT-09.tgz
mv CO4-PT-09 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 ;