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.r079-tall-177946972200042.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)
..............
=====================================================================
Generated by BenchKit 2-5973
Executing tool gold2025
Input is CO4-PT-07, examination is UpperBounds
Time confinement is 3600 seconds
Memory confinement is 16384 MBytes
Number of cores is 4
Run identifier is r079-tall-177946972200042
=====================================================================

--------------------
preparation of the directory to be used:
/home/mcc/execution
total 548K
-rw-r--r-- 1 mcc users 7.1K Mar 6 13:28 CTLCardinality.txt
-rw-r--r-- 1 mcc users 76K Mar 6 13:28 CTLCardinality.xml
-rw-r--r-- 1 mcc users 5.9K Mar 6 13:28 CTLFireability.txt
-rw-r--r-- 1 mcc users 58K Mar 6 13:28 CTLFireability.xml
-rw-r--r-- 1 mcc users 3.4K Mar 15 08:29 LTLCardinality.txt
-rw-r--r-- 1 mcc users 25K Mar 15 08:29 LTLCardinality.xml
-rw-r--r-- 1 mcc users 2.2K Mar 15 08:29 LTLFireability.txt
-rw-r--r-- 1 mcc users 19K Mar 15 08:29 LTLFireability.xml
-rw-r--r-- 1 mcc users 13K Mar 6 13:28 ReachabilityCardinality.txt
-rw-r--r-- 1 mcc users 143K Mar 6 13:28 ReachabilityCardinality.xml
-rw-r--r-- 1 mcc users 6.5K Mar 6 13:28 ReachabilityFireability.txt
-rw-r--r-- 1 mcc users 51K Mar 6 13:28 ReachabilityFireability.xml
-rw-r--r-- 1 mcc users 1.5K Mar 15 08:29 UpperBounds.txt
-rw-r--r-- 1 mcc users 3.5K Mar 15 08:29 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 98K 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-07-UpperBounds-00
FORMULA_NAME CO4-PT-07-UpperBounds-01
FORMULA_NAME CO4-PT-07-UpperBounds-02
FORMULA_NAME CO4-PT-07-UpperBounds-03
FORMULA_NAME CO4-PT-07-UpperBounds-04
FORMULA_NAME CO4-PT-07-UpperBounds-05
FORMULA_NAME CO4-PT-07-UpperBounds-06
FORMULA_NAME CO4-PT-07-UpperBounds-07
FORMULA_NAME CO4-PT-07-UpperBounds-08
FORMULA_NAME CO4-PT-07-UpperBounds-09
FORMULA_NAME CO4-PT-07-UpperBounds-10
FORMULA_NAME CO4-PT-07-UpperBounds-11
FORMULA_NAME CO4-PT-07-UpperBounds-12
FORMULA_NAME CO4-PT-07-UpperBounds-13
FORMULA_NAME CO4-PT-07-UpperBounds-14
FORMULA_NAME CO4-PT-07-UpperBounds-15

=== Now, execution of the tool begins

BK_START 1779556885802

Invoking MCC driver with
GOLD_TOOL=
BK_EXAMINATION=UpperBounds
BK_BIN_PATH=/home/mcc/BenchKit/bin/
BK_TIME_CONFINEMENT=3600
BK_INPUT=CO4-PT-07
BK_MEMORY_CONFINEMENT=16384
Not applying reductions.
Model is PT
UpperBounds PT
Running Version 202505121319
[2026-05-23 17:21:27] [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 17:21:27] [INFO ] Parsing pnml file : /home/mcc/execution/model.pnml
[2026-05-23 17:21:27] [INFO ] Load time of PNML (sax parser for PT used): 76 ms
[2026-05-23 17:21:27] [INFO ] Transformed 384 places.
[2026-05-23 17:21:27] [INFO ] Transformed 456 transitions.
[2026-05-23 17:21:27] [INFO ] Found NUPN structural information;
[2026-05-23 17:21:27] [INFO ] Parsed PT model containing 384 places and 456 transitions and 1022 arcs in 163 ms.
Parsed 16 properties from file /home/mcc/execution/UpperBounds.xml in 7 ms.
Deduced a syphon composed of 100 places in 5 ms
Reduce places removed 100 places and 120 transitions.
FORMULA CO4-PT-07-UpperBounds-04 0 TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA CO4-PT-07-UpperBounds-05 0 TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA CO4-PT-07-UpperBounds-06 0 TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA CO4-PT-07-UpperBounds-08 0 TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA CO4-PT-07-UpperBounds-11 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]
// Phase 1: matrix 336 rows 284 cols
[2026-05-23 17:21:27] [INFO ] Computed 6 invariants in 16 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 (7 resets) in 33 ms. (294 steps per ms)
FORMULA CO4-PT-07-UpperBounds-14 1 TECHNIQUES TOPOLOGICAL BESTFIRST_WALK
FORMULA CO4-PT-07-UpperBounds-13 1 TECHNIQUES TOPOLOGICAL BESTFIRST_WALK
FORMULA CO4-PT-07-UpperBounds-10 1 TECHNIQUES TOPOLOGICAL BESTFIRST_WALK
BEST_FIRST walk for 80000 steps (80 resets) in 105 ms. (754 steps per ms)
FORMULA CO4-PT-07-UpperBounds-07 1 TECHNIQUES TOPOLOGICAL RANDOM_WALK
Current structural bounds on expressions (after WALK) : Max Seen:[0, 0, 0, 0, 0, 0, 0] Max Struct:[1, 1, 1, 1, 1, 1, 1]
[2026-05-23 17:21:27] [INFO ] Invariant cache hit.
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
[2026-05-23 17:21:27] [INFO ] [Real]Absence check using 6 positive place invariants in 9 ms returned sat
[2026-05-23 17:21:27] [INFO ] [Real]Absence check using state equation in 97 ms returned sat
[2026-05-23 17:21:27] [INFO ] Computed and/alt/rep : 293/381/293 causal constraints (skipped 42 transitions) in 25 ms.
[2026-05-23 17:21:27] [INFO ] Solution in real domain found non-integer solution.
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
[2026-05-23 17:21:28] [INFO ] [Nat]Absence check using 6 positive place invariants in 9 ms returned sat
[2026-05-23 17:21:28] [INFO ] [Nat]Absence check using state equation in 87 ms returned sat
[2026-05-23 17:21:28] [INFO ] Computed and/alt/rep : 293/381/293 causal constraints (skipped 42 transitions) in 19 ms.
[2026-05-23 17:21:28] [INFO ] Added : 46 causal constraints over 10 iterations in 253 ms. Result :sat
Minimization took 81 ms.
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
[2026-05-23 17:21:28] [INFO ] [Real]Absence check using 6 positive place invariants in 7 ms returned sat
[2026-05-23 17:21:28] [INFO ] [Real]Absence check using state equation in 85 ms returned sat
[2026-05-23 17:21:28] [INFO ] Computed and/alt/rep : 293/381/293 causal constraints (skipped 42 transitions) in 20 ms.
[2026-05-23 17:21:28] [INFO ] Solution in real domain found non-integer solution.
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
[2026-05-23 17:21:28] [INFO ] [Nat]Absence check using 6 positive place invariants in 9 ms returned sat
[2026-05-23 17:21:28] [INFO ] [Nat]Absence check using state equation in 81 ms returned sat
[2026-05-23 17:21:28] [INFO ] Computed and/alt/rep : 293/381/293 causal constraints (skipped 42 transitions) in 17 ms.
[2026-05-23 17:21:29] [INFO ] Added : 57 causal constraints over 12 iterations in 276 ms. Result :sat
Minimization took 87 ms.
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
[2026-05-23 17:21:29] [INFO ] [Real]Absence check using 6 positive place invariants in 6 ms returned sat
[2026-05-23 17:21:29] [INFO ] [Real]Absence check using state equation in 75 ms returned sat
[2026-05-23 17:21:29] [INFO ] Computed and/alt/rep : 293/381/293 causal constraints (skipped 42 transitions) in 18 ms.
[2026-05-23 17:21:29] [INFO ] Solution in real domain found non-integer solution.
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
[2026-05-23 17:21:29] [INFO ] [Nat]Absence check using 6 positive place invariants in 8 ms returned sat
[2026-05-23 17:21:29] [INFO ] [Nat]Absence check using state equation in 88 ms returned sat
[2026-05-23 17:21:29] [INFO ] Computed and/alt/rep : 293/381/293 causal constraints (skipped 42 transitions) in 15 ms.
[2026-05-23 17:21:29] [INFO ] Added : 54 causal constraints over 11 iterations in 244 ms. Result :sat
Minimization took 100 ms.
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
[2026-05-23 17:21:30] [INFO ] [Real]Absence check using 6 positive place invariants in 7 ms returned sat
[2026-05-23 17:21:30] [INFO ] [Real]Absence check using state equation in 77 ms returned sat
[2026-05-23 17:21:30] [INFO ] Computed and/alt/rep : 293/381/293 causal constraints (skipped 42 transitions) in 19 ms.
[2026-05-23 17:21:30] [INFO ] Solution in real domain found non-integer solution.
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
[2026-05-23 17:21:30] [INFO ] [Nat]Absence check using 6 positive place invariants in 7 ms returned sat
[2026-05-23 17:21:30] [INFO ] [Nat]Absence check using state equation in 72 ms returned sat
[2026-05-23 17:21:30] [INFO ] Computed and/alt/rep : 293/381/293 causal constraints (skipped 42 transitions) in 15 ms.
[2026-05-23 17:21:30] [INFO ] Added : 50 causal constraints over 11 iterations in 249 ms. Result :sat
Minimization took 76 ms.
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
[2026-05-23 17:21:30] [INFO ] [Real]Absence check using 6 positive place invariants in 7 ms returned sat
[2026-05-23 17:21:30] [INFO ] [Real]Absence check using state equation in 70 ms returned sat
[2026-05-23 17:21:30] [INFO ] Computed and/alt/rep : 293/381/293 causal constraints (skipped 42 transitions) in 18 ms.
[2026-05-23 17:21:30] [INFO ] Solution in real domain found non-integer solution.
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
[2026-05-23 17:21:31] [INFO ] [Nat]Absence check using 6 positive place invariants in 7 ms returned sat
[2026-05-23 17:21:31] [INFO ] [Nat]Absence check using state equation in 74 ms returned sat
[2026-05-23 17:21:31] [INFO ] Computed and/alt/rep : 293/381/293 causal constraints (skipped 42 transitions) in 16 ms.
[2026-05-23 17:21:31] [INFO ] Added : 50 causal constraints over 10 iterations in 227 ms. Result :sat
Minimization took 76 ms.
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
[2026-05-23 17:21:31] [INFO ] [Real]Absence check using 6 positive place invariants in 7 ms returned sat
[2026-05-23 17:21:31] [INFO ] [Real]Absence check using state equation in 73 ms returned sat
[2026-05-23 17:21:31] [INFO ] Computed and/alt/rep : 293/381/293 causal constraints (skipped 42 transitions) in 15 ms.
[2026-05-23 17:21:31] [INFO ] Solution in real domain found non-integer solution.
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
[2026-05-23 17:21:31] [INFO ] [Nat]Absence check using 6 positive place invariants in 7 ms returned sat
[2026-05-23 17:21:31] [INFO ] [Nat]Absence check using state equation in 68 ms returned sat
[2026-05-23 17:21:31] [INFO ] Computed and/alt/rep : 293/381/293 causal constraints (skipped 42 transitions) in 17 ms.
[2026-05-23 17:21:32] [INFO ] Added : 47 causal constraints over 10 iterations in 234 ms. Result :sat
Minimization took 78 ms.
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
[2026-05-23 17:21:32] [INFO ] [Real]Absence check using 6 positive place invariants in 7 ms returned sat
[2026-05-23 17:21:32] [INFO ] [Real]Absence check using state equation in 76 ms returned sat
[2026-05-23 17:21:32] [INFO ] Computed and/alt/rep : 293/381/293 causal constraints (skipped 42 transitions) in 19 ms.
[2026-05-23 17:21:32] [INFO ] Solution in real domain found non-integer solution.
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
[2026-05-23 17:21:32] [INFO ] [Nat]Absence check using 6 positive place invariants in 7 ms returned sat
[2026-05-23 17:21:32] [INFO ] [Nat]Absence check using state equation in 76 ms returned sat
[2026-05-23 17:21:32] [INFO ] Computed and/alt/rep : 293/381/293 causal constraints (skipped 42 transitions) in 14 ms.
[2026-05-23 17:21:32] [INFO ] Added : 46 causal constraints over 10 iterations in 213 ms. Result :sat
Minimization took 94 ms.
Current structural bounds on expressions (after SMT) : Max Seen:[0, 0, 0, 0, 0, 0, 0] Max Struct:[1, 1, 1, 1, 1, 1, 1]
FORMULA CO4-PT-07-UpperBounds-15 1 TECHNIQUES TOPOLOGICAL PARIKH_WALK
FORMULA CO4-PT-07-UpperBounds-12 1 TECHNIQUES TOPOLOGICAL PARIKH_WALK
FORMULA CO4-PT-07-UpperBounds-03 1 TECHNIQUES TOPOLOGICAL PARIKH_WALK
FORMULA CO4-PT-07-UpperBounds-02 1 TECHNIQUES TOPOLOGICAL PARIKH_WALK
FORMULA CO4-PT-07-UpperBounds-01 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 284 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 284/284 places, 336/336 transitions.
Graph (trivial) has 287 edges and 284 vertex of which 2 / 284 are part of one of the 1 SCC in 3 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 430 edges and 283 vertex of which 253 are kept as prefixes of interest. Removing 30 places using SCC suffix rule.1 ms
Discarding 30 places :
Also discarding 17 output transitions
Drop transitions (Output transitions of discarded places.) removed 17 transitions
Drop transitions (Empty/Sink Transition effects.) removed 17 transitions
Reduce isomorphic transitions removed 17 transitions.
Drop transitions (Trivial Post-Agglo cleanup.) removed 128 transitions
Trivial Post-agglo rules discarded 128 transitions
Performed 128 trivial Post agglomeration. Transition count delta: 128
Iterating post reduction 0 with 145 rules applied. Total rules applied 147 place count 253 transition count 172
Reduce places removed 128 places and 0 transitions.
Ensure Unique test removed 4 transitions
Reduce isomorphic transitions removed 4 transitions.
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 1 with 135 rules applied. Total rules applied 282 place count 125 transition count 165
Reduce places removed 3 places and 0 transitions.
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 2 with 7 rules applied. Total rules applied 289 place count 122 transition count 161
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 3 with 3 rules applied. Total rules applied 292 place count 121 transition count 159
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 295 place count 120 transition count 157
Reduce places removed 1 places and 0 transitions.
Ensure Unique test removed 1 transitions
Reduce isomorphic transitions removed 1 transitions.
Iterating post reduction 5 with 2 rules applied. Total rules applied 297 place count 119 transition count 156
Performed 1 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 6 with 1 Pre rules applied. Total rules applied 297 place count 119 transition count 155
Deduced a syphon composed of 1 places in 0 ms
Reduce places removed 1 places and 0 transitions.
Iterating global reduction 6 with 2 rules applied. Total rules applied 299 place count 118 transition count 155
Discarding 17 places :
Symmetric choice reduction at 6 with 17 rule applications. Total rules 316 place count 101 transition count 138
Iterating global reduction 6 with 17 rules applied. Total rules applied 333 place count 101 transition count 138
Performed 5 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 6 with 5 Pre rules applied. Total rules applied 333 place count 101 transition count 133
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 343 place count 96 transition count 133
Discarding 10 places :
Symmetric choice reduction at 6 with 10 rule applications. Total rules 353 place count 86 transition count 123
Iterating global reduction 6 with 10 rules applied. Total rules applied 363 place count 86 transition count 123
Ensure Unique test removed 1 transitions
Reduce isomorphic transitions removed 1 transitions.
Iterating post reduction 6 with 1 rules applied. Total rules applied 364 place count 86 transition count 122
Discarding 1 places :
Symmetric choice reduction at 7 with 1 rule applications. Total rules 365 place count 85 transition count 121
Iterating global reduction 7 with 1 rules applied. Total rules applied 366 place count 85 transition count 121
Ensure Unique test removed 1 transitions
Reduce isomorphic transitions removed 1 transitions.
Iterating post reduction 7 with 1 rules applied. Total rules applied 367 place count 85 transition count 120
Performed 34 Post agglomeration using F-continuation condition with reduction of 4 identical transitions.
Deduced a syphon composed of 34 places in 0 ms
Reduce places removed 34 places and 0 transitions.
Iterating global reduction 8 with 68 rules applied. Total rules applied 435 place count 51 transition count 82
Performed 13 Post agglomeration using F-continuation condition.Transition count delta: -1
Deduced a syphon composed of 13 places in 1 ms
Reduce places removed 13 places and 0 transitions.
Iterating global reduction 8 with 26 rules applied. Total rules applied 461 place count 38 transition count 83
Ensure Unique test removed 8 transitions
Reduce isomorphic transitions removed 8 transitions.
Iterating post reduction 8 with 8 rules applied. Total rules applied 469 place count 38 transition count 75
Discarding 10 places :
Symmetric choice reduction at 9 with 10 rule applications. Total rules 479 place count 28 transition count 55
Iterating global reduction 9 with 10 rules applied. Total rules applied 489 place count 28 transition count 55
Ensure Unique test removed 7 transitions
Reduce isomorphic transitions removed 7 transitions.
Iterating post reduction 9 with 7 rules applied. Total rules applied 496 place count 28 transition count 48
Discarding 3 places :
Symmetric choice reduction at 10 with 3 rule applications. Total rules 499 place count 25 transition count 39
Iterating global reduction 10 with 3 rules applied. Total rules applied 502 place count 25 transition count 39
Ensure Unique test removed 2 transitions
Reduce isomorphic transitions removed 2 transitions.
Iterating post reduction 10 with 2 rules applied. Total rules applied 504 place count 25 transition count 37
Performed 1 Post agglomeration using F-continuation condition.Transition count delta: -11
Deduced a syphon composed of 1 places in 1 ms
Reduce places removed 1 places and 0 transitions.
Iterating global reduction 11 with 2 rules applied. Total rules applied 506 place count 24 transition count 48
Drop transitions (Empty/Sink Transition effects.) removed 3 transitions
Reduce isomorphic transitions removed 3 transitions.
Iterating post reduction 11 with 3 rules applied. Total rules applied 509 place count 24 transition count 45
Drop transitions (Redundant composition of simpler transitions.) removed 11 transitions
Redundant transition composition rules discarded 11 transitions
Iterating global reduction 12 with 11 rules applied. Total rules applied 520 place count 24 transition count 34
Free-agglomeration rule applied 4 times.
Iterating global reduction 12 with 4 rules applied. Total rules applied 524 place count 24 transition count 30
Reduce places removed 4 places and 0 transitions.
Drop transitions (Empty/Sink Transition effects.) removed 1 transitions
Reduce isomorphic transitions removed 1 transitions.
Iterating post reduction 12 with 5 rules applied. Total rules applied 529 place count 20 transition count 29
Partial Free-agglomeration rule applied 1 times.
Drop transitions (Partial Free agglomeration) removed 1 transitions
Iterating global reduction 13 with 1 rules applied. Total rules applied 530 place count 20 transition count 29
Graph (complete) has 56 edges and 20 vertex of which 19 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 13 with 1 rules applied. Total rules applied 531 place count 19 transition count 29
Drop transitions (Empty/Sink Transition effects.) removed 1 transitions
Reduce isomorphic transitions removed 1 transitions.
Iterating post reduction 14 with 1 rules applied. Total rules applied 532 place count 19 transition count 28
Partial Free-agglomeration rule applied 1 times.
Drop transitions (Partial Free agglomeration) removed 1 transitions
Iterating global reduction 15 with 1 rules applied. Total rules applied 533 place count 19 transition count 28
Graph (complete) has 53 edges and 19 vertex of which 18 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 15 with 1 rules applied. Total rules applied 534 place count 18 transition count 28
Drop transitions (Empty/Sink Transition effects.) removed 1 transitions
Reduce isomorphic transitions removed 1 transitions.
Iterating post reduction 16 with 1 rules applied. Total rules applied 535 place count 18 transition count 27
Partial Free-agglomeration rule applied 1 times.
Drop transitions (Partial Free agglomeration) removed 1 transitions
Iterating global reduction 17 with 1 rules applied. Total rules applied 536 place count 18 transition count 27
Graph (complete) has 50 edges and 18 vertex of which 17 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 17 with 1 rules applied. Total rules applied 537 place count 17 transition count 27
Drop transitions (Empty/Sink Transition effects.) removed 1 transitions
Reduce isomorphic transitions removed 1 transitions.
Iterating post reduction 18 with 1 rules applied. Total rules applied 538 place count 17 transition count 26
Reduce places removed 1 places and 1 transitions.
Iterating global reduction 19 with 1 rules applied. Total rules applied 539 place count 16 transition count 25
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 t87.t401.t15.t16 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.
Iterating post reduction 19 with 2 rules applied. Total rules applied 541 place count 13 transition count 23
Drop transitions (Redundant composition of simpler transitions.) removed 3 transitions
Redundant transition composition rules discarded 3 transitions
Iterating global reduction 20 with 3 rules applied. Total rules applied 544 place count 13 transition count 20
Discarding 2 places :
Symmetric choice reduction at 20 with 2 rule applications. Total rules 546 place count 11 transition count 18
Iterating global reduction 20 with 2 rules applied. Total rules applied 548 place count 11 transition count 18
Ensure Unique test removed 2 transitions
Reduce isomorphic transitions removed 2 transitions.
Iterating post reduction 20 with 2 rules applied. Total rules applied 550 place count 11 transition count 16
Discarding 1 places :
Symmetric choice reduction at 21 with 1 rule applications. Total rules 551 place count 10 transition count 15
Iterating global reduction 21 with 1 rules applied. Total rules applied 552 place count 10 transition count 15
Ensure Unique test removed 1 transitions
Reduce isomorphic transitions removed 1 transitions.
Iterating post reduction 21 with 1 rules applied. Total rules applied 553 place count 10 transition count 14
Free-agglomeration rule applied 2 times.
Iterating global reduction 22 with 2 rules applied. Total rules applied 555 place count 10 transition count 12
Reduce places removed 2 places and 0 transitions.
Iterating post reduction 22 with 2 rules applied. Total rules applied 557 place count 8 transition count 12
Drop transitions (Redundant composition of simpler transitions.) removed 1 transitions
Redundant transition composition rules discarded 1 transitions
Iterating global reduction 23 with 1 rules applied. Total rules applied 558 place count 8 transition count 11
Free-agglomeration rule applied 1 times.
Iterating global reduction 23 with 1 rules applied. Total rules applied 559 place count 8 transition count 10
Reduce places removed 1 places and 0 transitions.
Ensure Unique test removed 1 transitions
Reduce isomorphic transitions removed 1 transitions.
Iterating post reduction 23 with 2 rules applied. Total rules applied 561 place count 7 transition count 9
Applied a total of 561 rules in 73 ms. Remains 7 /284 variables (removed 277) and now considering 9/336 (removed 327) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 79 ms. Remains : 7/284 places, 9/336 transitions.
[2026-05-23 17:21:33] [INFO ] Flow matrix only has 8 transitions (discarded 1 similar events)
// Phase 1: matrix 8 rows 7 cols
[2026-05-23 17:21:33] [INFO ] Computed 2 invariants in 1 ms
Current structural bounds on expressions (after invariants) : Max Seen:[0, 0] Max Struct:[1, 1]
RANDOM walk for 1000000 steps (2 resets) in 442 ms. (2257 steps per ms)
FORMULA CO4-PT-07-UpperBounds-09 1 TECHNIQUES TOPOLOGICAL BESTFIRST_WALK
FORMULA CO4-PT-07-UpperBounds-00 1 TECHNIQUES TOPOLOGICAL BESTFIRST_WALK
BEST_FIRST walk for 1000000 steps (2 resets) in 317 ms. (3144 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[] Max Struct:[]
RANDOM walk for 0 steps (0 resets) in 4 ms. (0 steps per ms) remains 0/0 properties
Finished probabilistic random walk after 0 steps, run visited all 0 properties in 0 ms. (steps per millisecond=0 )
[2026-05-23 17:21:33] [INFO ] Flatten gal took : 16 ms
[2026-05-23 17:21:33] [INFO ] Flatten gal took : 2 ms
[2026-05-23 17:21:33] [INFO ] Time to serialize gal into /tmp/ReachabilityCardinality11479486186358052925.gal : 3 ms
[2026-05-23 17:21:33] [INFO ] Time to serialize properties into /tmp/ReachabilityCardinality12039866051674010799.prop : 0 ms
Invoking ITS tools like this :cd /home/mcc/execution;'/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202505121319/bin/its-reach-linux64' '--gc-threshold' '2000000' '--quiet' '-i' '/tmp/ReachabilityCardinality11479486186358052925.gal' '-t' 'CGAL' '-reachable-file' '/tmp/ReachabilityCardinality12039866051674010799.prop' '--nowitness' '--gen-order' 'FOLLOW'

ITS runner timed out or was interrupted.
its-reach command run as :

/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202505121319/bin/its-reach-linux64 --gc-threshold 2000000 --quiet ...330
Loading property file /tmp/ReachabilityCardinality12039866051674010799.prop.
Found states matching all0 target predicate
Will report total states built up to this point. Computation was interrupted after 3 fixpoint passes
Model ,|S| ,Time ,Mem(kb) ,fin. SDD ,fin. DDD ,peak SDD ,peak DDD ,SDD Hom ,SDD cache peak ,DDD Hom ,DDD cachepeak ,SHom cache
petri\_inst\_inst,6,0.009258,3852,2,14,5,55,6,0,38,30,0
Total reachable state count : 6

ITS tools runner thread asked to quit. Dying gracefully.
Current structural bounds on expressions (After reachability solving 0 queries.) : Max Seen:[] Max Struct:[]
All properties solved without resorting to model-checking.
Total runtime 6877 ms.

BK_STOP 1779556894017

--------------------
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_1.0.0.202505121319.jar
+ VERSION=202505121319
+ echo 'Running Version 202505121319'
+ /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-07"
export BK_EXAMINATION="UpperBounds"
export BK_TOOL="gold2025"
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 gold2025"
echo " Input is CO4-PT-07, 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 r079-tall-177946972200042"
echo "====================================================================="
echo
echo "--------------------"
echo "preparation of the directory to be used:"

tar xzf /home/mcc/BenchKit/INPUTS/CO4-PT-07.tgz
mv CO4-PT-07 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 ;