Execution Chart

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Trace from the execution

Formatting '/data/fkordon/mcc2025-input.r044-tall-174854028600517.qcow2', fmt=qcow2 size=4294967296 backing_file=/data/fkordon/mcc2025-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 2-5832
Executing tool itstools
Input is CO4-PT-18, examination is UpperBounds
Time confinement is 3600 seconds
Memory confinement is 16384 MBytes
Number of cores is 4
Run identifier is r044-tall-174854028600517
=====================================================================

--------------------
preparation of the directory to be used:
/home/mcc/execution
total 668K
-rw-r--r-- 1 mcc users 8.2K May 29 14:47 CTLCardinality.txt
-rw-r--r-- 1 mcc users 93K May 29 14:47 CTLCardinality.xml
-rw-r--r-- 1 mcc users 5.1K May 29 14:47 CTLFireability.txt
-rw-r--r-- 1 mcc users 46K May 29 14:47 CTLFireability.xml
-rw-r--r-- 1 mcc users 3.9K May 29 14:47 LTLCardinality.txt
-rw-r--r-- 1 mcc users 29K May 29 14:47 LTLCardinality.xml
-rw-r--r-- 1 mcc users 2.1K May 29 14:47 LTLFireability.txt
-rw-r--r-- 1 mcc users 19K May 29 14:47 LTLFireability.xml
-rw-r--r-- 1 mcc users 8.0K May 29 14:47 ReachabilityCardinality.txt
-rw-r--r-- 1 mcc users 78K May 29 14:47 ReachabilityCardinality.xml
-rw-r--r-- 1 mcc users 9.2K May 29 14:47 ReachabilityFireability.txt
-rw-r--r-- 1 mcc users 81K May 29 14:47 ReachabilityFireability.xml
-rw-r--r-- 1 mcc users 1.5K May 29 14:47 UpperBounds.txt
-rw-r--r-- 1 mcc users 3.5K May 29 14:47 UpperBounds.xml
-rw-r--r-- 1 mcc users 6 May 29 14:32 equiv_col
-rw-r--r-- 1 mcc users 3 May 29 14:32 instance
-rw-r--r-- 1 mcc users 6 May 29 14:32 iscolored
-rw-r--r-- 1 mcc users 239K May 29 14:32 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-18-UpperBounds-00
FORMULA_NAME CO4-PT-18-UpperBounds-01
FORMULA_NAME CO4-PT-18-UpperBounds-02
FORMULA_NAME CO4-PT-18-UpperBounds-03
FORMULA_NAME CO4-PT-18-UpperBounds-04
FORMULA_NAME CO4-PT-18-UpperBounds-05
FORMULA_NAME CO4-PT-18-UpperBounds-06
FORMULA_NAME CO4-PT-18-UpperBounds-07
FORMULA_NAME CO4-PT-18-UpperBounds-08
FORMULA_NAME CO4-PT-18-UpperBounds-09
FORMULA_NAME CO4-PT-18-UpperBounds-10
FORMULA_NAME CO4-PT-18-UpperBounds-11
FORMULA_NAME CO4-PT-18-UpperBounds-12
FORMULA_NAME CO4-PT-18-UpperBounds-13
FORMULA_NAME CO4-PT-18-UpperBounds-14
FORMULA_NAME CO4-PT-18-UpperBounds-15

=== Now, execution of the tool begins

BK_START 1748610006935

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-18
BK_MEMORY_CONFINEMENT=16384
Not applying reductions.
Model is PT
UpperBounds PT
Running Version 202505121319
[2025-05-30 13:00:08] [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]
[2025-05-30 13:00:08] [INFO ] Parsing pnml file : /home/mcc/execution/model.pnml
[2025-05-30 13:00:08] [INFO ] Load time of PNML (sax parser for PT used): 95 ms
[2025-05-30 13:00:08] [INFO ] Transformed 979 places.
[2025-05-30 13:00:08] [INFO ] Transformed 1111 transitions.
[2025-05-30 13:00:08] [INFO ] Found NUPN structural information;
[2025-05-30 13:00:08] [INFO ] Parsed PT model containing 979 places and 1111 transitions and 2420 arcs in 203 ms.
Parsed 16 properties from file /home/mcc/execution/UpperBounds.xml in 6 ms.
Deduced a syphon composed of 157 places in 12 ms
Reduce places removed 157 places and 177 transitions.
FORMULA CO4-PT-18-UpperBounds-08 0 TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA CO4-PT-18-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, 0, 0, 0] Max Struct:[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] Max Struct:[1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
// Phase 1: matrix 934 rows 822 cols
[2025-05-30 13:00:08] [INFO ] Computed 8 invariants in 29 ms
Current structural bounds on expressions (after invariants) : Max Seen:[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]
RANDOM walk for 10000 steps (24 resets) in 37 ms. (263 steps per ms)
FORMULA CO4-PT-18-UpperBounds-04 1 TECHNIQUES TOPOLOGICAL BESTFIRST_WALK
FORMULA CO4-PT-18-UpperBounds-02 1 TECHNIQUES TOPOLOGICAL BESTFIRST_WALK
FORMULA CO4-PT-18-UpperBounds-00 1 TECHNIQUES TOPOLOGICAL BESTFIRST_WALK
FORMULA CO4-PT-18-UpperBounds-12 1 TECHNIQUES TOPOLOGICAL BESTFIRST_WALK
BEST_FIRST walk for 100000 steps (211 resets) in 151 ms. (657 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[0, 0, 0, 0, 0, 0, 0, 0, 0, 0] Max Struct:[1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2025-05-30 13:00:08] [INFO ] Invariant cache hit.
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
[2025-05-30 13:00:08] [INFO ] [Real]Absence check using 8 positive place invariants in 23 ms returned sat
[2025-05-30 13:00:09] [INFO ] [Real]Absence check using state equation in 259 ms returned sat
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-30 13:00:09] [INFO ] Deduced a trap composed of 22 places in 135 ms of which 11 ms to minimize.
[2025-05-30 13:00:09] [INFO ] Solution in real domain found non-integer solution.
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
[2025-05-30 13:00:09] [INFO ] [Nat]Absence check using 8 positive place invariants in 20 ms returned sat
[2025-05-30 13:00:09] [INFO ] [Nat]Absence check using state equation in 224 ms returned sat
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-30 13:00:10] [INFO ] Deduced a trap composed of 22 places in 99 ms of which 7 ms to minimize.
[2025-05-30 13:00:10] [INFO ] Trap strengthening (SAT) tested/added 2/1 trap constraints in 179 ms
[2025-05-30 13:00:10] [INFO ] Computed and/alt/rep : 848/1016/848 causal constraints (skipped 85 transitions) in 51 ms.
[2025-05-30 13:00:11] [INFO ] Added : 148 causal constraints over 30 iterations in 1665 ms. Result :sat
Minimization took 502 ms.
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
[2025-05-30 13:00:12] [INFO ] [Real]Absence check using 8 positive place invariants in 17 ms returned sat
[2025-05-30 13:00:12] [INFO ] [Real]Absence check using state equation in 238 ms returned sat
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-30 13:00:12] [INFO ] Deduced a trap composed of 22 places in 90 ms of which 6 ms to minimize.
[2025-05-30 13:00:12] [INFO ] Solution in real domain found non-integer solution.
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
[2025-05-30 13:00:13] [INFO ] [Nat]Absence check using 8 positive place invariants in 19 ms returned sat
[2025-05-30 13:00:13] [INFO ] [Nat]Absence check using state equation in 230 ms returned sat
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-30 13:00:13] [INFO ] Deduced a trap composed of 22 places in 92 ms of which 6 ms to minimize.
[2025-05-30 13:00:13] [INFO ] Trap strengthening (SAT) tested/added 2/1 trap constraints in 170 ms
[2025-05-30 13:00:13] [INFO ] Computed and/alt/rep : 848/1016/848 causal constraints (skipped 85 transitions) in 45 ms.
[2025-05-30 13:00:15] [INFO ] Added : 154 causal constraints over 31 iterations in 1633 ms. Result :sat
Minimization took 338 ms.
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
[2025-05-30 13:00:15] [INFO ] [Real]Absence check using 8 positive place invariants in 33 ms returned sat
[2025-05-30 13:00:15] [INFO ] [Real]Absence check using state equation in 259 ms returned sat
[2025-05-30 13:00:16] [INFO ] Computed and/alt/rep : 848/1016/848 causal constraints (skipped 85 transitions) in 94 ms.
[2025-05-30 13:00:16] [INFO ] Solution in real domain found non-integer solution.
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
[2025-05-30 13:00:16] [INFO ] [Nat]Absence check using 8 positive place invariants in 23 ms returned sat
[2025-05-30 13:00:16] [INFO ] [Nat]Absence check using state equation in 255 ms returned sat
[2025-05-30 13:00:16] [INFO ] Computed and/alt/rep : 848/1016/848 causal constraints (skipped 85 transitions) in 43 ms.
[2025-05-30 13:00:18] [INFO ] Added : 205 causal constraints over 41 iterations in 2103 ms. Result :sat
Minimization took 331 ms.
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
[2025-05-30 13:00:19] [INFO ] [Real]Absence check using 8 positive place invariants in 18 ms returned sat
[2025-05-30 13:00:19] [INFO ] [Real]Absence check using state equation in 260 ms returned sat
[2025-05-30 13:00:19] [INFO ] Computed and/alt/rep : 848/1016/848 causal constraints (skipped 85 transitions) in 48 ms.
[2025-05-30 13:00:19] [INFO ] Solution in real domain found non-integer solution.
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
[2025-05-30 13:00:19] [INFO ] [Nat]Absence check using 8 positive place invariants in 18 ms returned sat
[2025-05-30 13:00:20] [INFO ] [Nat]Absence check using state equation in 250 ms returned sat
[2025-05-30 13:00:20] [INFO ] Computed and/alt/rep : 848/1016/848 causal constraints (skipped 85 transitions) in 48 ms.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-30 13:00:22] [INFO ] Deduced a trap composed of 368 places in 305 ms of which 129 ms to minimize.
[2025-05-30 13:00:22] [INFO ] Trap strengthening (SAT) tested/added 2/1 trap constraints in 392 ms
[2025-05-30 13:00:22] [INFO ] Added : 214 causal constraints over 43 iterations in 2585 ms. Result :sat
Minimization took 362 ms.
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
[2025-05-30 13:00:23] [INFO ] [Real]Absence check using 8 positive place invariants in 22 ms returned sat
[2025-05-30 13:00:23] [INFO ] [Real]Absence check using state equation in 248 ms returned sat
[2025-05-30 13:00:23] [INFO ] Computed and/alt/rep : 848/1016/848 causal constraints (skipped 85 transitions) in 43 ms.
[2025-05-30 13:00:23] [INFO ] Solution in real domain found non-integer solution.
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
[2025-05-30 13:00:23] [INFO ] [Nat]Absence check using 8 positive place invariants in 24 ms returned sat
[2025-05-30 13:00:24] [INFO ] [Nat]Absence check using state equation in 261 ms returned sat
[2025-05-30 13:00:24] [INFO ] Computed and/alt/rep : 848/1016/848 causal constraints (skipped 85 transitions) in 46 ms.
[2025-05-30 13:00:26] [INFO ] Added : 214 causal constraints over 43 iterations in 2067 ms. Result :sat
Minimization took 315 ms.
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
[2025-05-30 13:00:26] [INFO ] [Real]Absence check using 8 positive place invariants in 22 ms returned sat
[2025-05-30 13:00:26] [INFO ] [Real]Absence check using state equation in 240 ms returned sat
[2025-05-30 13:00:27] [INFO ] Computed and/alt/rep : 848/1016/848 causal constraints (skipped 85 transitions) in 40 ms.
[2025-05-30 13:00:27] [INFO ] Solution in real domain found non-integer solution.
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
[2025-05-30 13:00:27] [INFO ] [Nat]Absence check using 8 positive place invariants in 24 ms returned sat
[2025-05-30 13:00:27] [INFO ] [Nat]Absence check using state equation in 235 ms returned sat
[2025-05-30 13:00:27] [INFO ] Computed and/alt/rep : 848/1016/848 causal constraints (skipped 85 transitions) in 40 ms.
[2025-05-30 13:00:29] [INFO ] Added : 167 causal constraints over 34 iterations in 1610 ms. Result :sat
Minimization took 358 ms.
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
[2025-05-30 13:00:29] [INFO ] [Real]Absence check using 8 positive place invariants in 22 ms returned sat
[2025-05-30 13:00:29] [INFO ] [Real]Absence check using state equation in 244 ms returned sat
[2025-05-30 13:00:30] [INFO ] Computed and/alt/rep : 848/1016/848 causal constraints (skipped 85 transitions) in 42 ms.
[2025-05-30 13:00:30] [INFO ] Solution in real domain found non-integer solution.
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
[2025-05-30 13:00:30] [INFO ] [Nat]Absence check using 8 positive place invariants in 24 ms returned sat
[2025-05-30 13:00:30] [INFO ] [Nat]Absence check using state equation in 250 ms returned sat
[2025-05-30 13:00:30] [INFO ] Computed and/alt/rep : 848/1016/848 causal constraints (skipped 85 transitions) in 39 ms.
[2025-05-30 13:00:31] [INFO ] Added : 133 causal constraints over 27 iterations in 1312 ms. Result :sat
Minimization took 328 ms.
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
[2025-05-30 13:00:32] [INFO ] [Real]Absence check using 8 positive place invariants in 16 ms returned sat
[2025-05-30 13:00:32] [INFO ] [Real]Absence check using state equation in 254 ms returned sat
[2025-05-30 13:00:32] [INFO ] Computed and/alt/rep : 848/1016/848 causal constraints (skipped 85 transitions) in 37 ms.
[2025-05-30 13:00:32] [INFO ] Solution in real domain found non-integer solution.
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
[2025-05-30 13:00:32] [INFO ] [Nat]Absence check using 8 positive place invariants in 17 ms returned sat
[2025-05-30 13:00:33] [INFO ] [Nat]Absence check using state equation in 245 ms returned sat
[2025-05-30 13:00:33] [INFO ] Computed and/alt/rep : 848/1016/848 causal constraints (skipped 85 transitions) in 40 ms.
[2025-05-30 13:00:35] [INFO ] Added : 195 causal constraints over 39 iterations in 1899 ms. Result :sat
Minimization took 333 ms.
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
[2025-05-30 13:00:35] [INFO ] [Real]Absence check using 8 positive place invariants in 23 ms returned sat
[2025-05-30 13:00:35] [INFO ] [Real]Absence check using state equation in 244 ms returned sat
[2025-05-30 13:00:36] [INFO ] Computed and/alt/rep : 848/1016/848 causal constraints (skipped 85 transitions) in 38 ms.
[2025-05-30 13:00:36] [INFO ] Solution in real domain found non-integer solution.
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
[2025-05-30 13:00:36] [INFO ] [Nat]Absence check using 8 positive place invariants in 23 ms returned sat
[2025-05-30 13:00:36] [INFO ] [Nat]Absence check using state equation in 257 ms returned sat
[2025-05-30 13:00:36] [INFO ] Computed and/alt/rep : 848/1016/848 causal constraints (skipped 85 transitions) in 37 ms.
[2025-05-30 13:00:38] [INFO ] Added : 148 causal constraints over 30 iterations in 1453 ms. Result :sat
Minimization took 319 ms.
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
[2025-05-30 13:00:38] [INFO ] [Real]Absence check using 8 positive place invariants in 16 ms returned sat
[2025-05-30 13:00:38] [INFO ] [Real]Absence check using state equation in 255 ms returned sat
[2025-05-30 13:00:38] [INFO ] Computed and/alt/rep : 848/1016/848 causal constraints (skipped 85 transitions) in 38 ms.
[2025-05-30 13:00:38] [INFO ] Solution in real domain found non-integer solution.
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
[2025-05-30 13:00:39] [INFO ] [Nat]Absence check using 8 positive place invariants in 17 ms returned sat
[2025-05-30 13:00:39] [INFO ] [Nat]Absence check using state equation in 250 ms returned sat
[2025-05-30 13:00:39] [INFO ] Computed and/alt/rep : 848/1016/848 causal constraints (skipped 85 transitions) in 37 ms.
[2025-05-30 13:00:40] [INFO ] Added : 148 causal constraints over 30 iterations in 1482 ms. Result :sat
Minimization took 315 ms.
Current structural bounds on expressions (after SMT) : Max Seen:[0, 0, 0, 0, 0, 0, 0, 0, 0, 0] Max Struct:[1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
FORMULA CO4-PT-18-UpperBounds-15 1 TECHNIQUES TOPOLOGICAL PARIKH_WALK
FORMULA CO4-PT-18-UpperBounds-13 1 TECHNIQUES TOPOLOGICAL PARIKH_WALK
FORMULA CO4-PT-18-UpperBounds-14 1 TECHNIQUES TOPOLOGICAL PARIKH_WALK
FORMULA CO4-PT-18-UpperBounds-10 1 TECHNIQUES TOPOLOGICAL PARIKH_WALK
FORMULA CO4-PT-18-UpperBounds-09 1 TECHNIQUES TOPOLOGICAL PARIKH_WALK
FORMULA CO4-PT-18-UpperBounds-07 1 TECHNIQUES TOPOLOGICAL PARIKH_WALK
FORMULA CO4-PT-18-UpperBounds-05 1 TECHNIQUES TOPOLOGICAL PARIKH_WALK
Current structural bounds on expressions (After Parikh guided walk) : Max Seen:[0, 1, 0] Max Struct:[1, 1, 1]
Support contains 3 out of 822 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 822/822 places, 934/934 transitions.
Graph (trivial) has 838 edges and 822 vertex of which 3 / 822 are part of one of the 1 SCC in 4 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 1118 edges and 820 vertex of which 778 are kept as prefixes of interest. Removing 42 places using SCC suffix rule.2 ms
Discarding 42 places :
Also discarding 23 output transitions
Drop transitions (Output transitions of discarded places.) removed 23 transitions
Drop transitions (Empty/Sink Transition effects.) removed 23 transitions
Reduce isomorphic transitions removed 23 transitions.
Drop transitions (Trivial Post-Agglo cleanup.) removed 510 transitions
Trivial Post-agglo rules discarded 510 transitions
Performed 510 trivial Post agglomeration. Transition count delta: 510
Iterating post reduction 0 with 533 rules applied. Total rules applied 535 place count 778 transition count 375
Reduce places removed 510 places and 0 transitions.
Ensure Unique test removed 4 transitions
Reduce isomorphic transitions removed 4 transitions.
Drop transitions (Trivial Post-Agglo cleanup.) removed 5 transitions
Trivial Post-agglo rules discarded 5 transitions
Performed 5 trivial Post agglomeration. Transition count delta: 5
Iterating post reduction 1 with 519 rules applied. Total rules applied 1054 place count 268 transition count 366
Reduce places removed 5 places and 0 transitions.
Ensure Unique test removed 4 transitions
Reduce isomorphic transitions removed 4 transitions.
Performed 1 Post agglomeration using F-continuation condition.Transition count delta: 1
Iterating post reduction 2 with 10 rules applied. Total rules applied 1064 place count 263 transition count 361
Reduce places removed 1 places and 0 transitions.
Iterating post reduction 3 with 1 rules applied. Total rules applied 1065 place count 262 transition count 361
Performed 1 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 4 with 1 Pre rules applied. Total rules applied 1065 place count 262 transition count 360
Deduced a syphon composed of 1 places in 1 ms
Reduce places removed 1 places and 0 transitions.
Iterating global reduction 4 with 2 rules applied. Total rules applied 1067 place count 261 transition count 360
Discarding 38 places :
Symmetric choice reduction at 4 with 38 rule applications. Total rules 1105 place count 223 transition count 322
Iterating global reduction 4 with 38 rules applied. Total rules applied 1143 place count 223 transition count 322
Performed 12 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 4 with 12 Pre rules applied. Total rules applied 1143 place count 223 transition count 310
Deduced a syphon composed of 12 places in 0 ms
Reduce places removed 12 places and 0 transitions.
Iterating global reduction 4 with 24 rules applied. Total rules applied 1167 place count 211 transition count 310
Discarding 23 places :
Symmetric choice reduction at 4 with 23 rule applications. Total rules 1190 place count 188 transition count 287
Iterating global reduction 4 with 23 rules applied. Total rules applied 1213 place count 188 transition count 287
Ensure Unique test removed 4 transitions
Reduce isomorphic transitions removed 4 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 5 rules applied. Total rules applied 1218 place count 188 transition count 282
Reduce places removed 1 places and 0 transitions.
Iterating post reduction 5 with 1 rules applied. Total rules applied 1219 place count 187 transition count 282
Discarding 2 places :
Symmetric choice reduction at 6 with 2 rule applications. Total rules 1221 place count 185 transition count 279
Iterating global reduction 6 with 2 rules applied. Total rules applied 1223 place count 185 transition count 279
Ensure Unique test removed 2 transitions
Reduce isomorphic transitions removed 2 transitions.
Iterating post reduction 6 with 2 rules applied. Total rules applied 1225 place count 185 transition count 277
Performed 81 Post agglomeration using F-continuation condition with reduction of 13 identical transitions.
Deduced a syphon composed of 81 places in 0 ms
Reduce places removed 81 places and 0 transitions.
Iterating global reduction 7 with 162 rules applied. Total rules applied 1387 place count 104 transition count 183
Ensure Unique test removed 4 transitions
Reduce isomorphic transitions removed 4 transitions.
Iterating post reduction 7 with 4 rules applied. Total rules applied 1391 place count 104 transition count 179
Performed 31 Post agglomeration using F-continuation condition.Transition count delta: -2
Deduced a syphon composed of 31 places in 0 ms
Reduce places removed 31 places and 0 transitions.
Iterating global reduction 8 with 62 rules applied. Total rules applied 1453 place count 73 transition count 181
Ensure Unique test removed 20 transitions
Reduce isomorphic transitions removed 20 transitions.
Iterating post reduction 8 with 20 rules applied. Total rules applied 1473 place count 73 transition count 161
Discarding 27 places :
Symmetric choice reduction at 9 with 27 rule applications. Total rules 1500 place count 46 transition count 107
Iterating global reduction 9 with 27 rules applied. Total rules applied 1527 place count 46 transition count 107
Ensure Unique test removed 19 transitions
Reduce isomorphic transitions removed 19 transitions.
Iterating post reduction 9 with 19 rules applied. Total rules applied 1546 place count 46 transition count 88
Discarding 6 places :
Symmetric choice reduction at 10 with 6 rule applications. Total rules 1552 place count 40 transition count 71
Iterating global reduction 10 with 6 rules applied. Total rules applied 1558 place count 40 transition count 71
Ensure Unique test removed 4 transitions
Reduce isomorphic transitions removed 4 transitions.
Iterating post reduction 10 with 4 rules applied. Total rules applied 1562 place count 40 transition count 67
Performed 1 Post agglomeration using F-continuation condition.Transition count delta: -15
Deduced a syphon composed of 1 places in 0 ms
Reduce places removed 1 places and 0 transitions.
Iterating global reduction 11 with 2 rules applied. Total rules applied 1564 place count 39 transition count 82
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 1567 place count 39 transition count 79
Drop transitions (Redundant composition of simpler transitions.) removed 7 transitions
Redundant transition composition rules discarded 7 transitions
Iterating global reduction 12 with 7 rules applied. Total rules applied 1574 place count 39 transition count 72
Free-agglomeration rule applied 7 times.
Iterating global reduction 12 with 7 rules applied. Total rules applied 1581 place count 39 transition count 65
Reduce places removed 7 places and 0 transitions.
Drop transitions (Empty/Sink Transition effects.) removed 2 transitions
Reduce isomorphic transitions removed 2 transitions.
Iterating post reduction 12 with 9 rules applied. Total rules applied 1590 place count 32 transition count 63
Drop transitions (Redundant composition of simpler transitions.) removed 1 transitions
Redundant transition composition rules discarded 1 transitions
Iterating global reduction 13 with 1 rules applied. Total rules applied 1591 place count 32 transition count 62
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 1592 place count 32 transition count 62
Graph (complete) has 104 edges and 32 vertex of which 31 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 1593 place count 31 transition count 62
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 1594 place count 31 transition count 61
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 1595 place count 31 transition count 61
Graph (complete) has 101 edges and 31 vertex of which 30 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 1596 place count 30 transition count 61
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 1597 place count 30 transition count 60
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 1598 place count 30 transition count 60
Graph (complete) has 98 edges and 30 vertex of which 29 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 1599 place count 29 transition count 60
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 1600 place count 29 transition count 59
Reduce places removed 1 places and 1 transitions.
Iterating global reduction 19 with 1 rules applied. Total rules applied 1601 place count 28 transition count 58
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 t154.t155.t973.t62.t63.t64 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 18 edges and 24 vertex of which 3 / 24 are part of one of the 1 SCC in 0 ms
Free SCC test removed 2 places
Iterating post reduction 19 with 3 rules applied. Total rules applied 1604 place count 22 transition count 56
Drop transitions (Empty/Sink Transition effects.) removed 4 transitions
Ensure Unique test removed 1 transitions
Reduce isomorphic transitions removed 5 transitions.
Iterating post reduction 20 with 5 rules applied. Total rules applied 1609 place count 22 transition count 51
Discarding 1 places :
Symmetric choice reduction at 21 with 1 rule applications. Total rules 1610 place count 21 transition count 49
Iterating global reduction 21 with 1 rules applied. Total rules applied 1611 place count 21 transition count 49
Ensure Unique test removed 1 transitions
Reduce isomorphic transitions removed 1 transitions.
Iterating post reduction 21 with 1 rules applied. Total rules applied 1612 place count 21 transition count 48
Drop transitions (Redundant composition of simpler transitions.) removed 16 transitions
Redundant transition composition rules discarded 16 transitions
Iterating global reduction 22 with 16 rules applied. Total rules applied 1628 place count 21 transition count 32
Reduce places removed 1 places and 0 transitions.
Drop transitions (Empty/Sink Transition effects.) removed 1 transitions
Reduce isomorphic transitions removed 1 transitions.
Graph (complete) has 48 edges and 20 vertex of which 14 are kept as prefixes of interest. Removing 6 places using SCC suffix rule.0 ms
Discarding 6 places :
Also discarding 5 output transitions
Drop transitions (Output transitions of discarded places.) removed 5 transitions
Iterating post reduction 22 with 3 rules applied. Total rules applied 1631 place count 14 transition count 26
Drop transitions (Empty/Sink Transition effects.) removed 5 transitions
Reduce isomorphic transitions removed 5 transitions.
Iterating post reduction 23 with 5 rules applied. Total rules applied 1636 place count 14 transition count 21
Discarding 2 places :
Symmetric choice reduction at 24 with 2 rule applications. Total rules 1638 place count 12 transition count 19
Iterating global reduction 24 with 2 rules applied. Total rules applied 1640 place count 12 transition count 19
Ensure Unique test removed 2 transitions
Reduce isomorphic transitions removed 2 transitions.
Iterating post reduction 24 with 2 rules applied. Total rules applied 1642 place count 12 transition count 17
Discarding 1 places :
Symmetric choice reduction at 25 with 1 rule applications. Total rules 1643 place count 11 transition count 16
Iterating global reduction 25 with 1 rules applied. Total rules applied 1644 place count 11 transition count 16
Ensure Unique test removed 1 transitions
Reduce isomorphic transitions removed 1 transitions.
Iterating post reduction 25 with 1 rules applied. Total rules applied 1645 place count 11 transition count 15
Free-agglomeration rule applied 2 times.
Iterating global reduction 26 with 2 rules applied. Total rules applied 1647 place count 11 transition count 13
Reduce places removed 2 places and 0 transitions.
Iterating post reduction 26 with 2 rules applied. Total rules applied 1649 place count 9 transition count 13
Drop transitions (Redundant composition of simpler transitions.) removed 1 transitions
Redundant transition composition rules discarded 1 transitions
Iterating global reduction 27 with 1 rules applied. Total rules applied 1650 place count 9 transition count 12
Free-agglomeration rule applied 1 times.
Iterating global reduction 27 with 1 rules applied. Total rules applied 1651 place count 9 transition count 11
Reduce places removed 1 places and 0 transitions.
Ensure Unique test removed 1 transitions
Reduce isomorphic transitions removed 1 transitions.
Iterating post reduction 27 with 2 rules applied. Total rules applied 1653 place count 8 transition count 10
Applied a total of 1653 rules in 153 ms. Remains 8 /822 variables (removed 814) and now considering 10/934 (removed 924) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 161 ms. Remains : 8/822 places, 10/934 transitions.
// Phase 1: matrix 10 rows 8 cols
[2025-05-30 13:00:41] [INFO ] Computed 2 invariants in 0 ms
Current structural bounds on expressions (after invariants) : Max Seen:[0, 1, 0] Max Struct:[1, 1, 1]
FORMULA CO4-PT-18-UpperBounds-03 1 TECHNIQUES TOPOLOGICAL INITIAL_STATE
RANDOM walk for 1000000 steps (2 resets) in 373 ms. (2673 steps per ms)
FORMULA CO4-PT-18-UpperBounds-06 1 TECHNIQUES TOPOLOGICAL BESTFIRST_WALK
FORMULA CO4-PT-18-UpperBounds-01 1 TECHNIQUES TOPOLOGICAL BESTFIRST_WALK
BEST_FIRST walk for 1000000 steps (2 resets) in 235 ms. (4237 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 )
[2025-05-30 13:00:42] [INFO ] Flatten gal took : 15 ms
[2025-05-30 13:00:42] [INFO ] Flatten gal took : 2 ms
[2025-05-30 13:00:42] [INFO ] Time to serialize gal into /tmp/ReachabilityCardinality3036923354651321803.gal : 2 ms
[2025-05-30 13:00:42] [INFO ] Time to serialize properties into /tmp/ReachabilityCardinality14449160149057494769.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/ReachabilityCardinality3036923354651321803.gal' '-t' 'CGAL' '-reachable-file' '/tmp/ReachabilityCardinality14449160149057494769.prop' '--nowitness' '--gen-order' 'FOLLOW'

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

ITS tools runner thread asked to quit. Dying gracefully.
/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202505121319/bin/its-reach-linux64 --gc-threshold 2000000 --quiet ...329
java.io.IOException: Stream closed
at java.base/java.io.BufferedInputStream.ensureOpen(BufferedInputStream.java:206)
at java.base/java.io.BufferedInputStream.implRead(BufferedInputStream.java:411)
at java.base/java.io.BufferedInputStream.read(BufferedInputStream.java:405)
at java.base/sun.nio.cs.StreamDecoder.readBytes(StreamDecoder.java:350)
at java.base/sun.nio.cs.StreamDecoder.implRead(StreamDecoder.java:393)
at java.base/sun.nio.cs.StreamDecoder.lockedRead(StreamDecoder.java:217)
at java.base/sun.nio.cs.StreamDecoder.read(StreamDecoder.java:171)
at java.base/java.io.InputStreamReader.read(InputStreamReader.java:188)
at java.base/java.io.BufferedReader.fill(BufferedReader.java:160)
at java.base/java.io.BufferedReader.implReadLine(BufferedReader.java:370)
at java.base/java.io.BufferedReader.readLine(BufferedReader.java:347)
at java.base/java.io.BufferedReader.readLine(BufferedReader.java:436)
at fr.lip6.move.gal.application.runner.its.ITSRunner$ITSInterpreter.run(ITSRunner.java:211)
at java.base/java.lang.Thread.run(Thread.java:1583)
Current structural bounds on expressions (After reachability solving 0 queries.) : Max Seen:[] Max Struct:[]
All properties solved without resorting to model-checking.
Total runtime 34464 ms.

BK_STOP 1748610042606

--------------------
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-18"
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 2-5832"
echo " Executing tool itstools"
echo " Input is CO4-PT-18, 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 r044-tall-174854028600517"
echo "====================================================================="
echo
echo "--------------------"
echo "preparation of the directory to be used:"

tar xzf /home/mcc/BenchKit/INPUTS/CO4-PT-18.tgz
mv CO4-PT-18 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 ;