Execution Chart

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Trace from the execution

Formatting '/data/fkordon/mcc2025-input.r044-tall-174854028600501.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-16, examination is UpperBounds
Time confinement is 3600 seconds
Memory confinement is 16384 MBytes
Number of cores is 4
Run identifier is r044-tall-174854028600501
=====================================================================

--------------------
preparation of the directory to be used:
/home/mcc/execution
total 648K
-rw-r--r-- 1 mcc users 6.2K May 29 14:47 CTLCardinality.txt
-rw-r--r-- 1 mcc users 66K May 29 14:47 CTLCardinality.xml
-rw-r--r-- 1 mcc users 5.2K May 29 14:47 CTLFireability.txt
-rw-r--r-- 1 mcc users 47K May 29 14:47 CTLFireability.xml
-rw-r--r-- 1 mcc users 3.4K May 29 14:47 LTLCardinality.txt
-rw-r--r-- 1 mcc users 26K May 29 14:47 LTLCardinality.xml
-rw-r--r-- 1 mcc users 2.0K May 29 14:47 LTLFireability.txt
-rw-r--r-- 1 mcc users 17K May 29 14:47 LTLFireability.xml
-rw-r--r-- 1 mcc users 9.3K May 29 14:47 ReachabilityCardinality.txt
-rw-r--r-- 1 mcc users 95K May 29 14:47 ReachabilityCardinality.xml
-rw-r--r-- 1 mcc users 7.3K May 29 14:47 ReachabilityFireability.txt
-rw-r--r-- 1 mcc users 61K 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 260K 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-16-UpperBounds-00
FORMULA_NAME CO4-PT-16-UpperBounds-01
FORMULA_NAME CO4-PT-16-UpperBounds-02
FORMULA_NAME CO4-PT-16-UpperBounds-03
FORMULA_NAME CO4-PT-16-UpperBounds-04
FORMULA_NAME CO4-PT-16-UpperBounds-05
FORMULA_NAME CO4-PT-16-UpperBounds-06
FORMULA_NAME CO4-PT-16-UpperBounds-07
FORMULA_NAME CO4-PT-16-UpperBounds-08
FORMULA_NAME CO4-PT-16-UpperBounds-09
FORMULA_NAME CO4-PT-16-UpperBounds-10
FORMULA_NAME CO4-PT-16-UpperBounds-11
FORMULA_NAME CO4-PT-16-UpperBounds-12
FORMULA_NAME CO4-PT-16-UpperBounds-13
FORMULA_NAME CO4-PT-16-UpperBounds-14
FORMULA_NAME CO4-PT-16-UpperBounds-15

=== Now, execution of the tool begins

BK_START 1748608118154

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-16
BK_MEMORY_CONFINEMENT=16384
Not applying reductions.
Model is PT
UpperBounds PT
Running Version 202505121319
[2025-05-30 12:28:39] [INFO ] Running its-tools with arguments : [-pnfolder, /home/mcc/execution, -examination, UpperBounds, -its, -ltsmin, -greatspnpath, /home/mcc/BenchKit/bin//../itstools/bin//..//greatspn/, -order, META, -manyOrder, -smt, -timeout, 3600]
[2025-05-30 12:28:39] [INFO ] Parsing pnml file : /home/mcc/execution/model.pnml
[2025-05-30 12:28:39] [INFO ] Load time of PNML (sax parser for PT used): 107 ms
[2025-05-30 12:28:39] [INFO ] Transformed 837 places.
[2025-05-30 12:28:39] [INFO ] Transformed 1122 transitions.
[2025-05-30 12:28:39] [INFO ] Found NUPN structural information;
[2025-05-30 12:28:39] [INFO ] Parsed PT model containing 837 places and 1122 transitions and 3052 arcs in 204 ms.
Parsed 16 properties from file /home/mcc/execution/UpperBounds.xml in 7 ms.
Deduced a syphon composed of 116 places in 10 ms
Reduce places removed 116 places and 180 transitions.
FORMULA CO4-PT-16-UpperBounds-11 0 TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA CO4-PT-16-UpperBounds-15 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 942 rows 721 cols
[2025-05-30 12:28:39] [INFO ] Computed 12 invariants in 48 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 (229 resets) in 45 ms. (217 steps per ms)
FORMULA CO4-PT-16-UpperBounds-14 1 TECHNIQUES TOPOLOGICAL BESTFIRST_WALK
FORMULA CO4-PT-16-UpperBounds-09 1 TECHNIQUES TOPOLOGICAL BESTFIRST_WALK
FORMULA CO4-PT-16-UpperBounds-07 1 TECHNIQUES TOPOLOGICAL BESTFIRST_WALK
FORMULA CO4-PT-16-UpperBounds-05 1 TECHNIQUES TOPOLOGICAL BESTFIRST_WALK
FORMULA CO4-PT-16-UpperBounds-04 1 TECHNIQUES TOPOLOGICAL BESTFIRST_WALK
FORMULA CO4-PT-16-UpperBounds-01 1 TECHNIQUES TOPOLOGICAL BESTFIRST_WALK
FORMULA CO4-PT-16-UpperBounds-12 1 TECHNIQUES TOPOLOGICAL BESTFIRST_WALK
BEST_FIRST walk for 70007 steps (252 resets) in 74 ms. (933 steps per ms)
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]
[2025-05-30 12:28:39] [INFO ] Invariant cache hit.
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
[2025-05-30 12:28:40] [INFO ] [Real]Absence check using 11 positive place invariants in 30 ms returned sat
[2025-05-30 12:28:40] [INFO ] [Real]Absence check using 11 positive and 1 generalized place invariants in 1 ms returned sat
[2025-05-30 12:28:40] [INFO ] [Real]Absence check using state equation in 365 ms returned sat
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-30 12:28:41] [INFO ] Deduced a trap composed of 17 places in 360 ms of which 45 ms to minimize.
[2025-05-30 12:28:41] [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 12:28:41] [INFO ] [Nat]Absence check using 11 positive place invariants in 21 ms returned sat
[2025-05-30 12:28:41] [INFO ] [Nat]Absence check using 11 positive and 1 generalized place invariants in 1 ms returned sat
[2025-05-30 12:28:41] [INFO ] [Nat]Absence check using state equation in 231 ms returned sat
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-30 12:28:42] [INFO ] Deduced a trap composed of 17 places in 260 ms of which 20 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-30 12:28:42] [INFO ] Deduced a trap composed of 94 places in 168 ms of which 29 ms to minimize.
[2025-05-30 12:28:42] [INFO ] Trap strengthening (SAT) tested/added 3/2 trap constraints in 563 ms
[2025-05-30 12:28:42] [INFO ] Computed and/alt/rep : 741/1099/741 causal constraints (skipped 200 transitions) in 64 ms.
[2025-05-30 12:28:43] [INFO ] Added : 124 causal constraints over 25 iterations in 1463 ms. Result :sat
Minimization took 751 ms.
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
[2025-05-30 12:28:44] [INFO ] [Real]Absence check using 11 positive place invariants in 20 ms returned sat
[2025-05-30 12:28:44] [INFO ] [Real]Absence check using 11 positive and 1 generalized place invariants in 1 ms returned sat
[2025-05-30 12:28:44] [INFO ] [Real]Absence check using state equation in 246 ms returned sat
[2025-05-30 12:28:45] [INFO ] Computed and/alt/rep : 741/1099/741 causal constraints (skipped 200 transitions) in 51 ms.
[2025-05-30 12:28:45] [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 12:28:45] [INFO ] [Nat]Absence check using 11 positive place invariants in 20 ms returned sat
[2025-05-30 12:28:45] [INFO ] [Nat]Absence check using 11 positive and 1 generalized place invariants in 1 ms returned sat
[2025-05-30 12:28:45] [INFO ] [Nat]Absence check using state equation in 205 ms returned sat
[2025-05-30 12:28:45] [INFO ] Computed and/alt/rep : 741/1099/741 causal constraints (skipped 200 transitions) in 53 ms.
[2025-05-30 12:28:46] [INFO ] Added : 117 causal constraints over 24 iterations in 1249 ms. Result :sat
Minimization took 760 ms.
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
[2025-05-30 12:28:47] [INFO ] [Real]Absence check using 11 positive place invariants in 20 ms returned sat
[2025-05-30 12:28:47] [INFO ] [Real]Absence check using 11 positive and 1 generalized place invariants in 0 ms returned sat
[2025-05-30 12:28:48] [INFO ] [Real]Absence check using state equation in 263 ms returned sat
[2025-05-30 12:28:48] [INFO ] Computed and/alt/rep : 741/1099/741 causal constraints (skipped 200 transitions) in 92 ms.
[2025-05-30 12:28:48] [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 12:28:48] [INFO ] [Nat]Absence check using 11 positive place invariants in 21 ms returned sat
[2025-05-30 12:28:48] [INFO ] [Nat]Absence check using 11 positive and 1 generalized place invariants in 0 ms returned sat
[2025-05-30 12:28:48] [INFO ] [Nat]Absence check using state equation in 248 ms returned sat
[2025-05-30 12:28:49] [INFO ] Computed and/alt/rep : 741/1099/741 causal constraints (skipped 200 transitions) in 50 ms.
[2025-05-30 12:28:50] [INFO ] Added : 93 causal constraints over 19 iterations in 1109 ms. Result :sat
Minimization took 607 ms.
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
[2025-05-30 12:28:50] [INFO ] [Real]Absence check using 11 positive place invariants in 19 ms returned sat
[2025-05-30 12:28:50] [INFO ] [Real]Absence check using 11 positive and 1 generalized place invariants in 10 ms returned sat
[2025-05-30 12:28:51] [INFO ] [Real]Absence check using state equation in 220 ms returned sat
[2025-05-30 12:28:51] [INFO ] Computed and/alt/rep : 741/1099/741 causal constraints (skipped 200 transitions) in 43 ms.
[2025-05-30 12:28:51] [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 12:28:51] [INFO ] [Nat]Absence check using 11 positive place invariants in 20 ms returned sat
[2025-05-30 12:28:51] [INFO ] [Nat]Absence check using 11 positive and 1 generalized place invariants in 1 ms returned sat
[2025-05-30 12:28:51] [INFO ] [Nat]Absence check using state equation in 235 ms returned sat
[2025-05-30 12:28:51] [INFO ] Computed and/alt/rep : 741/1099/741 causal constraints (skipped 200 transitions) in 46 ms.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-30 12:28:53] [INFO ] Deduced a trap composed of 221 places in 219 ms of which 32 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-30 12:28:53] [INFO ] Deduced a trap composed of 333 places in 203 ms of which 30 ms to minimize.
[2025-05-30 12:28:53] [INFO ] Trap strengthening (SAT) tested/added 3/2 trap constraints in 550 ms
[2025-05-30 12:28:53] [INFO ] Added : 96 causal constraints over 20 iterations in 1636 ms. Result :sat
Minimization took 621 ms.
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
[2025-05-30 12:28:54] [INFO ] [Real]Absence check using 11 positive place invariants in 19 ms returned sat
[2025-05-30 12:28:54] [INFO ] [Real]Absence check using 11 positive and 1 generalized place invariants in 1 ms returned sat
[2025-05-30 12:28:54] [INFO ] [Real]Absence check using state equation in 232 ms returned sat
[2025-05-30 12:28:54] [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 12:28:54] [INFO ] [Nat]Absence check using 11 positive place invariants in 19 ms returned sat
[2025-05-30 12:28:54] [INFO ] [Nat]Absence check using 11 positive and 1 generalized place invariants in 0 ms returned sat
[2025-05-30 12:28:54] [INFO ] [Nat]Absence check using state equation in 227 ms returned sat
[2025-05-30 12:28:54] [INFO ] Computed and/alt/rep : 741/1099/741 causal constraints (skipped 200 transitions) in 45 ms.
[2025-05-30 12:28:55] [INFO ] Added : 61 causal constraints over 13 iterations in 751 ms. Result :sat
Minimization took 612 ms.
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
[2025-05-30 12:28:56] [INFO ] [Real]Absence check using 11 positive place invariants in 21 ms returned sat
[2025-05-30 12:28:56] [INFO ] [Real]Absence check using 11 positive and 1 generalized place invariants in 0 ms returned sat
[2025-05-30 12:28:56] [INFO ] [Real]Absence check using state equation in 222 ms returned sat
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-30 12:28:56] [INFO ] Deduced a trap composed of 17 places in 212 ms of which 19 ms to minimize.
[2025-05-30 12:28:56] [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 12:28:57] [INFO ] [Nat]Absence check using 11 positive place invariants in 19 ms returned sat
[2025-05-30 12:28:57] [INFO ] [Nat]Absence check using 11 positive and 1 generalized place invariants in 1 ms returned sat
[2025-05-30 12:28:57] [INFO ] [Nat]Absence check using state equation in 236 ms returned sat
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-30 12:28:57] [INFO ] Deduced a trap composed of 17 places in 205 ms of which 20 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-30 12:28:57] [INFO ] Deduced a trap composed of 94 places in 153 ms of which 29 ms to minimize.
[2025-05-30 12:28:57] [INFO ] Trap strengthening (SAT) tested/added 3/2 trap constraints in 451 ms
[2025-05-30 12:28:57] [INFO ] Computed and/alt/rep : 741/1099/741 causal constraints (skipped 200 transitions) in 34 ms.
[2025-05-30 12:28:59] [INFO ] Added : 125 causal constraints over 26 iterations in 1379 ms. Result :sat
Minimization took 595 ms.
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
[2025-05-30 12:28:59] [INFO ] [Real]Absence check using 11 positive place invariants in 19 ms returned sat
[2025-05-30 12:28:59] [INFO ] [Real]Absence check using 11 positive and 1 generalized place invariants in 0 ms returned sat
[2025-05-30 12:29:00] [INFO ] [Real]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 12:29:00] [INFO ] Deduced a trap composed of 20 places in 198 ms of which 15 ms to minimize.
[2025-05-30 12:29:00] [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 12:29:00] [INFO ] [Nat]Absence check using 11 positive place invariants in 19 ms returned sat
[2025-05-30 12:29:00] [INFO ] [Nat]Absence check using 11 positive and 1 generalized place invariants in 0 ms returned sat
[2025-05-30 12:29:00] [INFO ] [Nat]Absence check using state equation in 216 ms returned sat
[2025-05-30 12:29:00] [INFO ] Computed and/alt/rep : 741/1099/741 causal constraints (skipped 200 transitions) in 37 ms.
[2025-05-30 12:29:01] [INFO ] Added : 67 causal constraints over 14 iterations in 766 ms. Result :sat
Minimization took 636 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]
Current structural bounds on expressions (After Parikh guided walk) : Max Seen:[0, 0, 0, 0, 0, 0, 0] Max Struct:[1, 1, 1, 1, 1, 1, 1]
Support contains 7 out of 721 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 721/721 places, 942/942 transitions.
Graph (trivial) has 737 edges and 721 vertex of which 2 / 721 are part of one of the 1 SCC in 8 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 1392 edges and 720 vertex of which 675 are kept as prefixes of interest. Removing 45 places using SCC suffix rule.2 ms
Discarding 45 places :
Also discarding 20 output transitions
Drop transitions (Output transitions of discarded places.) removed 20 transitions
Drop transitions (Empty/Sink Transition effects.) removed 31 transitions
Reduce isomorphic transitions removed 31 transitions.
Drop transitions (Trivial Post-Agglo cleanup.) removed 345 transitions
Trivial Post-agglo rules discarded 345 transitions
Performed 345 trivial Post agglomeration. Transition count delta: 345
Iterating post reduction 0 with 376 rules applied. Total rules applied 378 place count 675 transition count 544
Reduce places removed 345 places and 0 transitions.
Ensure Unique test removed 14 transitions
Reduce isomorphic transitions removed 14 transitions.
Drop transitions (Trivial Post-Agglo cleanup.) removed 11 transitions
Trivial Post-agglo rules discarded 11 transitions
Performed 11 trivial Post agglomeration. Transition count delta: 11
Iterating post reduction 1 with 370 rules applied. Total rules applied 748 place count 330 transition count 519
Reduce places removed 11 places and 0 transitions.
Ensure Unique test removed 11 transitions
Reduce isomorphic transitions removed 11 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 24 rules applied. Total rules applied 772 place count 319 transition count 506
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 778 place count 317 transition count 502
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 784 place count 315 transition count 498
Reduce places removed 2 places and 0 transitions.
Ensure Unique test removed 2 transitions
Reduce isomorphic transitions removed 2 transitions.
Performed 3 Post agglomeration using F-continuation condition.Transition count delta: 3
Iterating post reduction 5 with 7 rules applied. Total rules applied 791 place count 313 transition count 493
Reduce places removed 3 places and 0 transitions.
Iterating post reduction 6 with 3 rules applied. Total rules applied 794 place count 310 transition count 493
Performed 1 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 7 with 1 Pre rules applied. Total rules applied 794 place count 310 transition count 492
Deduced a syphon composed of 1 places in 1 ms
Reduce places removed 1 places and 0 transitions.
Iterating global reduction 7 with 2 rules applied. Total rules applied 796 place count 309 transition count 492
Discarding 49 places :
Symmetric choice reduction at 7 with 49 rule applications. Total rules 845 place count 260 transition count 443
Iterating global reduction 7 with 49 rules applied. Total rules applied 894 place count 260 transition count 443
Performed 14 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 7 with 14 Pre rules applied. Total rules applied 894 place count 260 transition count 429
Deduced a syphon composed of 14 places in 0 ms
Reduce places removed 14 places and 0 transitions.
Iterating global reduction 7 with 28 rules applied. Total rules applied 922 place count 246 transition count 429
Discarding 31 places :
Symmetric choice reduction at 7 with 31 rule applications. Total rules 953 place count 215 transition count 373
Iterating global reduction 7 with 31 rules applied. Total rules applied 984 place count 215 transition count 373
Ensure Unique test removed 5 transitions
Reduce isomorphic transitions removed 5 transitions.
Iterating post reduction 7 with 5 rules applied. Total rules applied 989 place count 215 transition count 368
Discarding 4 places :
Symmetric choice reduction at 8 with 4 rule applications. Total rules 993 place count 211 transition count 363
Iterating global reduction 8 with 4 rules applied. Total rules applied 997 place count 211 transition count 363
Ensure Unique test removed 4 transitions
Reduce isomorphic transitions removed 4 transitions.
Iterating post reduction 8 with 4 rules applied. Total rules applied 1001 place count 211 transition count 359
Performed 79 Post agglomeration using F-continuation condition with reduction of 12 identical transitions.
Deduced a syphon composed of 79 places in 0 ms
Reduce places removed 79 places and 0 transitions.
Iterating global reduction 9 with 158 rules applied. Total rules applied 1159 place count 132 transition count 268
Drop transitions (Empty/Sink Transition effects.) removed 1 transitions
Ensure Unique test removed 4 transitions
Reduce isomorphic transitions removed 5 transitions.
Iterating post reduction 9 with 5 rules applied. Total rules applied 1164 place count 132 transition count 263
Performed 38 Post agglomeration using F-continuation condition.Transition count delta: -41
Deduced a syphon composed of 38 places in 1 ms
Reduce places removed 38 places and 0 transitions.
Iterating global reduction 10 with 76 rules applied. Total rules applied 1240 place count 94 transition count 304
Drop transitions (Empty/Sink Transition effects.) removed 37 transitions
Ensure Unique test removed 20 transitions
Reduce isomorphic transitions removed 57 transitions.
Iterating post reduction 10 with 57 rules applied. Total rules applied 1297 place count 94 transition count 247
Discarding 24 places :
Symmetric choice reduction at 11 with 24 rule applications. Total rules 1321 place count 70 transition count 175
Iterating global reduction 11 with 24 rules applied. Total rules applied 1345 place count 70 transition count 175
Ensure Unique test removed 19 transitions
Reduce isomorphic transitions removed 19 transitions.
Iterating post reduction 11 with 19 rules applied. Total rules applied 1364 place count 70 transition count 156
Discarding 3 places :
Symmetric choice reduction at 12 with 3 rule applications. Total rules 1367 place count 67 transition count 144
Iterating global reduction 12 with 3 rules applied. Total rules applied 1370 place count 67 transition count 144
Ensure Unique test removed 2 transitions
Reduce isomorphic transitions removed 2 transitions.
Iterating post reduction 12 with 2 rules applied. Total rules applied 1372 place count 67 transition count 142
Drop transitions (Redundant composition of simpler transitions.) removed 7 transitions
Redundant transition composition rules discarded 7 transitions
Iterating global reduction 13 with 7 rules applied. Total rules applied 1379 place count 67 transition count 135
Free-agglomeration rule applied 14 times.
Iterating global reduction 13 with 14 rules applied. Total rules applied 1393 place count 67 transition count 121
Reduce places removed 14 places and 0 transitions.
Drop transitions (Empty/Sink Transition effects.) removed 3 transitions
Reduce isomorphic transitions removed 3 transitions.
Iterating post reduction 13 with 17 rules applied. Total rules applied 1410 place count 53 transition count 118
Partial Free-agglomeration rule applied 1 times.
Drop transitions (Partial Free agglomeration) removed 1 transitions
Iterating global reduction 14 with 1 rules applied. Total rules applied 1411 place count 53 transition count 118
Reduce places removed 1 places and 1 transitions.
Iterating global reduction 14 with 1 rules applied. Total rules applied 1412 place count 52 transition count 117
Reduce places removed 3 places and 0 transitions.
Graph (trivial) has 26 edges and 49 vertex of which 5 / 49 are part of one of the 2 SCC in 1 ms
Free SCC test removed 3 places
Iterating post reduction 14 with 4 rules applied. Total rules applied 1416 place count 46 transition count 117
Reduce places removed 1 places and 0 transitions.
Drop transitions (Empty/Sink Transition effects.) removed 7 transitions
Ensure Unique test removed 1 transitions
Reduce isomorphic transitions removed 8 transitions.
Graph (trivial) has 31 edges and 45 vertex of which 7 / 45 are part of one of the 1 SCC in 1 ms
Free SCC test removed 6 places
Iterating post reduction 15 with 10 rules applied. Total rules applied 1426 place count 39 transition count 109
Drop transitions (Empty/Sink Transition effects.) removed 11 transitions
Ensure Unique test removed 9 transitions
Reduce isomorphic transitions removed 20 transitions.
Iterating post reduction 16 with 20 rules applied. Total rules applied 1446 place count 39 transition count 89
Performed 1 Post agglomeration using F-continuation condition.Transition count delta: -13
Deduced a syphon composed of 1 places in 0 ms
Reduce places removed 1 places and 0 transitions.
Iterating global reduction 17 with 2 rules applied. Total rules applied 1448 place count 38 transition count 102
Drop transitions (Empty/Sink Transition effects.) removed 4 transitions
Reduce isomorphic transitions removed 4 transitions.
Iterating post reduction 17 with 4 rules applied. Total rules applied 1452 place count 38 transition count 98
Drop transitions (Redundant composition of simpler transitions.) removed 21 transitions
Redundant transition composition rules discarded 21 transitions
Iterating global reduction 18 with 21 rules applied. Total rules applied 1473 place count 38 transition count 77
Reduce places removed 1 places and 0 transitions.
Drop transitions (Empty/Sink Transition effects.) removed 1 transitions
Reduce isomorphic transitions removed 1 transitions.
Iterating post reduction 18 with 2 rules applied. Total rules applied 1475 place count 37 transition count 76
Discarding 2 places :
Symmetric choice reduction at 19 with 2 rule applications. Total rules 1477 place count 35 transition count 72
Iterating global reduction 19 with 2 rules applied. Total rules applied 1479 place count 35 transition count 72
Ensure Unique test removed 5 transitions
Reduce isomorphic transitions removed 5 transitions.
Iterating post reduction 19 with 5 rules applied. Total rules applied 1484 place count 35 transition count 67
Free-agglomeration rule applied 4 times.
Iterating global reduction 20 with 4 rules applied. Total rules applied 1488 place count 35 transition count 63
Reduce places removed 4 places and 0 transitions.
Iterating post reduction 20 with 4 rules applied. Total rules applied 1492 place count 31 transition count 63
Drop transitions (Redundant composition of simpler transitions.) removed 2 transitions
Redundant transition composition rules discarded 2 transitions
Iterating global reduction 21 with 2 rules applied. Total rules applied 1494 place count 31 transition count 61
Partial Free-agglomeration rule applied 2 times.
Drop transitions (Partial Free agglomeration) removed 2 transitions
Iterating global reduction 21 with 2 rules applied. Total rules applied 1496 place count 31 transition count 61
Applied a total of 1496 rules in 206 ms. Remains 31 /721 variables (removed 690) and now considering 61/942 (removed 881) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 216 ms. Remains : 31/721 places, 61/942 transitions.
[2025-05-30 12:29:02] [INFO ] Flow matrix only has 58 transitions (discarded 3 similar events)
// Phase 1: matrix 58 rows 31 cols
[2025-05-30 12:29:02] [INFO ] Computed 6 invariants in 0 ms
Current structural bounds on expressions (after invariants) : Max Seen:[0, 0, 0, 0, 0, 0, 0] Max Struct:[1, 1, 1, 1, 1, 1, 1]
RANDOM walk for 1000000 steps (2 resets) in 978 ms. (1021 steps per ms)
FORMULA CO4-PT-16-UpperBounds-13 1 TECHNIQUES TOPOLOGICAL BESTFIRST_WALK
FORMULA CO4-PT-16-UpperBounds-10 1 TECHNIQUES TOPOLOGICAL BESTFIRST_WALK
FORMULA CO4-PT-16-UpperBounds-08 1 TECHNIQUES TOPOLOGICAL BESTFIRST_WALK
FORMULA CO4-PT-16-UpperBounds-06 1 TECHNIQUES TOPOLOGICAL BESTFIRST_WALK
FORMULA CO4-PT-16-UpperBounds-03 1 TECHNIQUES TOPOLOGICAL BESTFIRST_WALK
FORMULA CO4-PT-16-UpperBounds-02 1 TECHNIQUES TOPOLOGICAL BESTFIRST_WALK
FORMULA CO4-PT-16-UpperBounds-00 1 TECHNIQUES TOPOLOGICAL BESTFIRST_WALK
BEST_FIRST walk for 1000001 steps (2 resets) in 292 ms. (3412 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 12:29:03] [INFO ] Flatten gal took : 50 ms
[2025-05-30 12:29:03] [INFO ] Flatten gal took : 14 ms
[2025-05-30 12:29:03] [INFO ] Time to serialize gal into /tmp/ReachabilityCardinality6349469332732492575.gal : 6 ms
[2025-05-30 12:29:03] [INFO ] Time to serialize properties into /tmp/ReachabilityCardinality1265859842212120274.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/ReachabilityCardinality6349469332732492575.gal' '-t' 'CGAL' '-reachable-file' '/tmp/ReachabilityCardinality1265859842212120274.prop' '--nowitness' '--gen-order' 'FOLLOW'

ITS runner timed out or was interrupted.
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 24501 ms.

BK_STOP 1748608143920

--------------------
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-16"
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-16, 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-174854028600501"
echo "====================================================================="
echo
echo "--------------------"
echo "preparation of the directory to be used:"

tar xzf /home/mcc/BenchKit/INPUTS/CO4-PT-16.tgz
mv CO4-PT-16 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 ;