Execution Chart

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Trace from the execution

Formatting '/data/fkordon/mcc2025-input.r044-tall-174854028600533.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-20, examination is UpperBounds
Time confinement is 3600 seconds
Memory confinement is 16384 MBytes
Number of cores is 4
Run identifier is r044-tall-174854028600533
=====================================================================

--------------------
preparation of the directory to be used:
/home/mcc/execution
total 784K
-rw-r--r-- 1 mcc users 7.7K May 29 14:47 CTLCardinality.txt
-rw-r--r-- 1 mcc users 88K May 29 14:47 CTLCardinality.xml
-rw-r--r-- 1 mcc users 5.9K May 29 14:47 CTLFireability.txt
-rw-r--r-- 1 mcc users 59K May 29 14:47 CTLFireability.xml
-rw-r--r-- 1 mcc users 3.7K 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 12K May 29 14:47 ReachabilityCardinality.txt
-rw-r--r-- 1 mcc users 123K May 29 14:47 ReachabilityCardinality.xml
-rw-r--r-- 1 mcc users 7.0K May 29 14:47 ReachabilityFireability.txt
-rw-r--r-- 1 mcc users 57K 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 336K 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-20-UpperBounds-00
FORMULA_NAME CO4-PT-20-UpperBounds-01
FORMULA_NAME CO4-PT-20-UpperBounds-02
FORMULA_NAME CO4-PT-20-UpperBounds-03
FORMULA_NAME CO4-PT-20-UpperBounds-04
FORMULA_NAME CO4-PT-20-UpperBounds-05
FORMULA_NAME CO4-PT-20-UpperBounds-06
FORMULA_NAME CO4-PT-20-UpperBounds-07
FORMULA_NAME CO4-PT-20-UpperBounds-08
FORMULA_NAME CO4-PT-20-UpperBounds-09
FORMULA_NAME CO4-PT-20-UpperBounds-10
FORMULA_NAME CO4-PT-20-UpperBounds-11
FORMULA_NAME CO4-PT-20-UpperBounds-12
FORMULA_NAME CO4-PT-20-UpperBounds-13
FORMULA_NAME CO4-PT-20-UpperBounds-14
FORMULA_NAME CO4-PT-20-UpperBounds-15

=== Now, execution of the tool begins

BK_START 1748611485004

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-20
BK_MEMORY_CONFINEMENT=16384
Not applying reductions.
Model is PT
UpperBounds PT
Running Version 202505121319
[2025-05-30 13:24:46] [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 13:24:46] [INFO ] Parsing pnml file : /home/mcc/execution/model.pnml
[2025-05-30 13:24:46] [INFO ] Load time of PNML (sax parser for PT used): 113 ms
[2025-05-30 13:24:46] [INFO ] Transformed 1178 places.
[2025-05-30 13:24:46] [INFO ] Transformed 1463 transitions.
[2025-05-30 13:24:46] [INFO ] Found NUPN structural information;
[2025-05-30 13:24:46] [INFO ] Parsed PT model containing 1178 places and 1463 transitions and 3734 arcs in 212 ms.
Parsed 16 properties from file /home/mcc/execution/UpperBounds.xml in 9 ms.
Deduced a syphon composed of 187 places in 18 ms
Reduce places removed 187 places and 251 transitions.
FORMULA CO4-PT-20-UpperBounds-01 0 TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA CO4-PT-20-UpperBounds-05 0 TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA CO4-PT-20-UpperBounds-11 0 TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA CO4-PT-20-UpperBounds-12 0 TECHNIQUES TOPOLOGICAL INITIAL_STATE
Current structural bounds on expressions (Initiallly, because the net is safe) : Max Seen:[0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0] Max Struct:[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] Max Struct:[1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
// Phase 1: matrix 1212 rows 991 cols
[2025-05-30 13:24:46] [INFO ] Computed 12 invariants in 39 ms
Current structural bounds on expressions (after invariants) : Max Seen:[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]
RANDOM walk for 10000 steps (115 resets) in 95 ms. (104 steps per ms)
FORMULA CO4-PT-20-UpperBounds-10 1 TECHNIQUES TOPOLOGICAL BESTFIRST_WALK
FORMULA CO4-PT-20-UpperBounds-08 1 TECHNIQUES TOPOLOGICAL BESTFIRST_WALK
FORMULA CO4-PT-20-UpperBounds-03 1 TECHNIQUES TOPOLOGICAL BESTFIRST_WALK
BEST_FIRST walk for 100008 steps (298 resets) in 168 ms. (591 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[0, 0, 0, 0, 0, 0, 0, 0, 0] Max Struct:[1, 1, 1, 1, 1, 1, 1, 1, 1]
[2025-05-30 13:24:46] [INFO ] Invariant cache hit.
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
[2025-05-30 13:24:47] [INFO ] [Real]Absence check using 10 positive place invariants in 38 ms returned sat
[2025-05-30 13:24:47] [INFO ] [Real]Absence check using 10 positive and 2 generalized place invariants in 4 ms returned sat
[2025-05-30 13:24:47] [INFO ] [Real]Absence check using state equation in 415 ms returned sat
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-30 13:24:48] [INFO ] Deduced a trap composed of 21 places in 337 ms of which 109 ms to minimize.
[2025-05-30 13:24:48] [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 13:24:48] [INFO ] [Nat]Absence check using 10 positive place invariants in 22 ms returned sat
[2025-05-30 13:24:48] [INFO ] [Nat]Absence check using 10 positive and 2 generalized place invariants in 3 ms returned sat
[2025-05-30 13:24:48] [INFO ] [Nat]Absence check using state equation in 268 ms returned sat
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-30 13:24:49] [INFO ] Deduced a trap composed of 21 places in 151 ms of which 16 ms to minimize.
[2025-05-30 13:24:49] [INFO ] Trap strengthening (SAT) tested/added 2/1 trap constraints in 268 ms
[2025-05-30 13:24:49] [INFO ] Computed and/alt/rep : 1011/1378/1011 causal constraints (skipped 200 transitions) in 78 ms.
[2025-05-30 13:24:51] [INFO ] Added : 180 causal constraints over 36 iterations in 2345 ms. Result :sat
Minimization took 653 ms.
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
[2025-05-30 13:24:52] [INFO ] [Real]Absence check using 10 positive place invariants in 21 ms returned sat
[2025-05-30 13:24:52] [INFO ] [Real]Absence check using 10 positive and 2 generalized place invariants in 3 ms returned sat
[2025-05-30 13:24:52] [INFO ] [Real]Absence check using state equation in 332 ms returned sat
[2025-05-30 13:24:52] [INFO ] Computed and/alt/rep : 1011/1378/1011 causal constraints (skipped 200 transitions) in 93 ms.
[2025-05-30 13:24:53] [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 13:24:53] [INFO ] [Nat]Absence check using 10 positive place invariants in 23 ms returned sat
[2025-05-30 13:24:53] [INFO ] [Nat]Absence check using 10 positive and 2 generalized place invariants in 4 ms returned sat
[2025-05-30 13:24:53] [INFO ] [Nat]Absence check using state equation in 332 ms returned sat
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-30 13:24:53] [INFO ] Deduced a trap composed of 48 places in 120 ms of which 14 ms to minimize.
[2025-05-30 13:24:53] [INFO ] Trap strengthening (SAT) tested/added 2/1 trap constraints in 189 ms
[2025-05-30 13:24:54] [INFO ] Computed and/alt/rep : 1011/1378/1011 causal constraints (skipped 200 transitions) in 83 ms.
[2025-05-30 13:24:55] [INFO ] Added : 79 causal constraints over 16 iterations in 1094 ms. Result :sat
Minimization took 737 ms.
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
[2025-05-30 13:24:55] [INFO ] [Real]Absence check using 10 positive place invariants in 22 ms returned sat
[2025-05-30 13:24:55] [INFO ] [Real]Absence check using 10 positive and 2 generalized place invariants in 2 ms returned sat
[2025-05-30 13:24:56] [INFO ] [Real]Absence check using state equation in 391 ms returned sat
[2025-05-30 13:24:56] [INFO ] Computed and/alt/rep : 1011/1378/1011 causal constraints (skipped 200 transitions) in 47 ms.
[2025-05-30 13:24:56] [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 13:24:56] [INFO ] [Nat]Absence check using 10 positive place invariants in 21 ms returned sat
[2025-05-30 13:24:56] [INFO ] [Nat]Absence check using 10 positive and 2 generalized place invariants in 5 ms returned sat
[2025-05-30 13:24:57] [INFO ] [Nat]Absence check using state equation in 362 ms returned sat
[2025-05-30 13:24:57] [INFO ] Computed and/alt/rep : 1011/1378/1011 causal constraints (skipped 200 transitions) in 57 ms.
[2025-05-30 13:24:59] [INFO ] Added : 143 causal constraints over 29 iterations in 1858 ms. Result :sat
Minimization took 642 ms.
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
[2025-05-30 13:24:59] [INFO ] [Real]Absence check using 10 positive place invariants in 19 ms returned sat
[2025-05-30 13:24:59] [INFO ] [Real]Absence check using 10 positive and 2 generalized place invariants in 2 ms returned sat
[2025-05-30 13:25:00] [INFO ] [Real]Absence check using state equation in 322 ms returned sat
[2025-05-30 13:25:00] [INFO ] Computed and/alt/rep : 1011/1378/1011 causal constraints (skipped 200 transitions) in 52 ms.
[2025-05-30 13:25:00] [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 13:25:00] [INFO ] [Nat]Absence check using 10 positive place invariants in 25 ms returned sat
[2025-05-30 13:25:00] [INFO ] [Nat]Absence check using 10 positive and 2 generalized place invariants in 8 ms returned sat
[2025-05-30 13:25:01] [INFO ] [Nat]Absence check using state equation in 316 ms returned sat
[2025-05-30 13:25:01] [INFO ] Computed and/alt/rep : 1011/1378/1011 causal constraints (skipped 200 transitions) in 52 ms.
[2025-05-30 13:25:02] [INFO ] Added : 118 causal constraints over 24 iterations in 1674 ms. Result :sat
Minimization took 654 ms.
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
[2025-05-30 13:25:03] [INFO ] [Real]Absence check using 10 positive place invariants in 22 ms returned sat
[2025-05-30 13:25:03] [INFO ] [Real]Absence check using 10 positive and 2 generalized place invariants in 3 ms returned sat
[2025-05-30 13:25:03] [INFO ] [Real]Absence check using state equation in 298 ms returned sat
[2025-05-30 13:25:03] [INFO ] Computed and/alt/rep : 1011/1378/1011 causal constraints (skipped 200 transitions) in 46 ms.
[2025-05-30 13:25:04] [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 13:25:04] [INFO ] [Nat]Absence check using 10 positive place invariants in 21 ms returned sat
[2025-05-30 13:25:04] [INFO ] [Nat]Absence check using 10 positive and 2 generalized place invariants in 2 ms returned sat
[2025-05-30 13:25:04] [INFO ] [Nat]Absence check using state equation in 281 ms returned sat
[2025-05-30 13:25:04] [INFO ] Computed and/alt/rep : 1011/1378/1011 causal constraints (skipped 200 transitions) in 48 ms.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-30 13:25:07] [INFO ] Deduced a trap composed of 23 places in 123 ms of which 8 ms to minimize.
[2025-05-30 13:25:07] [INFO ] Trap strengthening (SAT) tested/added 2/1 trap constraints in 231 ms
[2025-05-30 13:25:07] [INFO ] Added : 184 causal constraints over 38 iterations in 2709 ms. Result :sat
Minimization took 704 ms.
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
[2025-05-30 13:25:08] [INFO ] [Real]Absence check using 10 positive place invariants in 20 ms returned sat
[2025-05-30 13:25:08] [INFO ] [Real]Absence check using 10 positive and 2 generalized place invariants in 2 ms returned sat
[2025-05-30 13:25:08] [INFO ] [Real]Absence check using state equation in 340 ms returned sat
[2025-05-30 13:25:08] [INFO ] Computed and/alt/rep : 1011/1378/1011 causal constraints (skipped 200 transitions) in 54 ms.
[2025-05-30 13:25:08] [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 13:25:08] [INFO ] [Nat]Absence check using 10 positive place invariants in 21 ms returned sat
[2025-05-30 13:25:08] [INFO ] [Nat]Absence check using 10 positive and 2 generalized place invariants in 3 ms returned sat
[2025-05-30 13:25:09] [INFO ] [Nat]Absence check using state equation in 309 ms returned sat
[2025-05-30 13:25:09] [INFO ] Computed and/alt/rep : 1011/1378/1011 causal constraints (skipped 200 transitions) in 53 ms.
[2025-05-30 13:25:10] [INFO ] Added : 129 causal constraints over 26 iterations in 1660 ms. Result :sat
Minimization took 682 ms.
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
[2025-05-30 13:25:11] [INFO ] [Real]Absence check using 10 positive place invariants in 19 ms returned sat
[2025-05-30 13:25:11] [INFO ] [Real]Absence check using 10 positive and 2 generalized place invariants in 2 ms returned sat
[2025-05-30 13:25:12] [INFO ] [Real]Absence check using state equation in 303 ms returned sat
[2025-05-30 13:25:12] [INFO ] Computed and/alt/rep : 1011/1378/1011 causal constraints (skipped 200 transitions) in 56 ms.
[2025-05-30 13:25:12] [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 13:25:12] [INFO ] [Nat]Absence check using 10 positive place invariants in 21 ms returned sat
[2025-05-30 13:25:12] [INFO ] [Nat]Absence check using 10 positive and 2 generalized place invariants in 2 ms returned sat
[2025-05-30 13:25:12] [INFO ] [Nat]Absence check using state equation in 311 ms returned sat
[2025-05-30 13:25:12] [INFO ] Computed and/alt/rep : 1011/1378/1011 causal constraints (skipped 200 transitions) in 54 ms.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-30 13:25:14] [INFO ] Deduced a trap composed of 279 places in 214 ms of which 14 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-30 13:25:15] [INFO ] Deduced a trap composed of 307 places in 206 ms of which 11 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-30 13:25:15] [INFO ] Deduced a trap composed of 445 places in 242 ms of which 33 ms to minimize.
[2025-05-30 13:25:15] [INFO ] Trap strengthening (SAT) tested/added 4/3 trap constraints in 876 ms
[2025-05-30 13:25:15] [INFO ] Added : 149 causal constraints over 30 iterations in 2740 ms. Result :sat
Minimization took 638 ms.
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
[2025-05-30 13:25:16] [INFO ] [Real]Absence check using 10 positive place invariants in 19 ms returned sat
[2025-05-30 13:25:16] [INFO ] [Real]Absence check using 10 positive and 2 generalized place invariants in 1 ms returned sat
[2025-05-30 13:25:16] [INFO ] [Real]Absence check using state equation in 321 ms returned sat
[2025-05-30 13:25:16] [INFO ] Computed and/alt/rep : 1011/1378/1011 causal constraints (skipped 200 transitions) in 46 ms.
[2025-05-30 13:25:17] [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 13:25:17] [INFO ] [Nat]Absence check using 10 positive place invariants in 21 ms returned sat
[2025-05-30 13:25:17] [INFO ] [Nat]Absence check using 10 positive and 2 generalized place invariants in 2 ms returned sat
[2025-05-30 13:25:17] [INFO ] [Nat]Absence check using state equation in 307 ms returned sat
[2025-05-30 13:25:17] [INFO ] Computed and/alt/rep : 1011/1378/1011 causal constraints (skipped 200 transitions) in 50 ms.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-30 13:25:19] [INFO ] Deduced a trap composed of 279 places in 226 ms of which 17 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-30 13:25:19] [INFO ] Deduced a trap composed of 48 places in 245 ms of which 36 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-30 13:25:20] [INFO ] Deduced a trap composed of 417 places in 229 ms of which 39 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-30 13:25:20] [INFO ] Deduced a trap composed of 21 places in 247 ms of which 21 ms to minimize.
[2025-05-30 13:25:20] [INFO ] Trap strengthening (SAT) tested/added 5/4 trap constraints in 1228 ms
[2025-05-30 13:25:20] [INFO ] Added : 149 causal constraints over 30 iterations in 3182 ms. Result :sat
Minimization took 644 ms.
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
[2025-05-30 13:25:21] [INFO ] [Real]Absence check using 10 positive place invariants in 20 ms returned sat
[2025-05-30 13:25:21] [INFO ] [Real]Absence check using 10 positive and 2 generalized place invariants in 8 ms returned sat
[2025-05-30 13:25:21] [INFO ] [Real]Absence check using state equation in 308 ms returned sat
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-30 13:25:22] [INFO ] Deduced a trap composed of 21 places in 137 ms of which 6 ms to minimize.
[2025-05-30 13:25:22] [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 13:25:22] [INFO ] [Nat]Absence check using 10 positive place invariants in 21 ms returned sat
[2025-05-30 13:25:22] [INFO ] [Nat]Absence check using 10 positive and 2 generalized place invariants in 5 ms returned sat
[2025-05-30 13:25:22] [INFO ] [Nat]Absence check using state equation in 320 ms returned sat
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-30 13:25:22] [INFO ] Deduced a trap composed of 21 places in 133 ms of which 8 ms to minimize.
[2025-05-30 13:25:22] [INFO ] Trap strengthening (SAT) tested/added 2/1 trap constraints in 211 ms
[2025-05-30 13:25:22] [INFO ] Computed and/alt/rep : 1011/1378/1011 causal constraints (skipped 200 transitions) in 52 ms.
[2025-05-30 13:25:24] [INFO ] Added : 163 causal constraints over 33 iterations in 1952 ms. Result :sat
Minimization took 637 ms.
Current structural bounds on expressions (after SMT) : Max Seen:[0, 0, 0, 0, 0, 0, 0, 0, 0] Max Struct:[1, 1, 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, 0, 0] Max Struct:[1, 1, 1, 1, 1, 1, 1, 1, 1]
Support contains 9 out of 991 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 991/991 places, 1212/1212 transitions.
Graph (trivial) has 1002 edges and 991 vertex of which 3 / 991 are part of one of the 1 SCC in 10 ms
Free SCC test removed 2 places
Drop transitions (Empty/Sink Transition effects.) removed 3 transitions
Reduce isomorphic transitions removed 3 transitions.
Graph (complete) has 1661 edges and 989 vertex of which 933 are kept as prefixes of interest. Removing 56 places using SCC suffix rule.3 ms
Discarding 56 places :
Also discarding 26 output transitions
Drop transitions (Output transitions of discarded places.) removed 26 transitions
Drop transitions (Empty/Sink Transition effects.) removed 36 transitions
Reduce isomorphic transitions removed 36 transitions.
Drop transitions (Trivial Post-Agglo cleanup.) removed 593 transitions
Trivial Post-agglo rules discarded 593 transitions
Performed 593 trivial Post agglomeration. Transition count delta: 593
Iterating post reduction 0 with 629 rules applied. Total rules applied 631 place count 933 transition count 554
Reduce places removed 593 places and 0 transitions.
Ensure Unique test removed 16 transitions
Reduce isomorphic transitions removed 16 transitions.
Drop transitions (Trivial Post-Agglo cleanup.) removed 14 transitions
Trivial Post-agglo rules discarded 14 transitions
Performed 14 trivial Post agglomeration. Transition count delta: 14
Iterating post reduction 1 with 623 rules applied. Total rules applied 1254 place count 340 transition count 524
Reduce places removed 14 places and 0 transitions.
Ensure Unique test removed 13 transitions
Reduce isomorphic transitions removed 13 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 2 with 32 rules applied. Total rules applied 1286 place count 326 transition count 506
Reduce places removed 5 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 9 rules applied. Total rules applied 1295 place count 321 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 1301 place count 319 transition count 498
Reduce places removed 2 places and 0 transitions.
Ensure Unique test removed 2 transitions
Reduce isomorphic transitions removed 2 transitions.
Performed 4 Post agglomeration using F-continuation condition.Transition count delta: 4
Iterating post reduction 5 with 8 rules applied. Total rules applied 1309 place count 317 transition count 492
Reduce places removed 4 places and 0 transitions.
Iterating post reduction 6 with 4 rules applied. Total rules applied 1313 place count 313 transition count 492
Performed 3 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 7 with 3 Pre rules applied. Total rules applied 1313 place count 313 transition count 489
Deduced a syphon composed of 3 places in 1 ms
Reduce places removed 3 places and 0 transitions.
Iterating global reduction 7 with 6 rules applied. Total rules applied 1319 place count 310 transition count 489
Discarding 48 places :
Symmetric choice reduction at 7 with 48 rule applications. Total rules 1367 place count 262 transition count 441
Iterating global reduction 7 with 48 rules applied. Total rules applied 1415 place count 262 transition count 441
Performed 14 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 7 with 14 Pre rules applied. Total rules applied 1415 place count 262 transition count 427
Deduced a syphon composed of 14 places in 1 ms
Reduce places removed 14 places and 0 transitions.
Iterating global reduction 7 with 28 rules applied. Total rules applied 1443 place count 248 transition count 427
Discarding 29 places :
Symmetric choice reduction at 7 with 29 rule applications. Total rules 1472 place count 219 transition count 373
Iterating global reduction 7 with 29 rules applied. Total rules applied 1501 place count 219 transition count 373
Ensure Unique test removed 4 transitions
Reduce isomorphic transitions removed 4 transitions.
Iterating post reduction 7 with 4 rules applied. Total rules applied 1505 place count 219 transition count 369
Discarding 3 places :
Symmetric choice reduction at 8 with 3 rule applications. Total rules 1508 place count 216 transition count 365
Iterating global reduction 8 with 3 rules applied. Total rules applied 1511 place count 216 transition count 365
Ensure Unique test removed 3 transitions
Reduce isomorphic transitions removed 3 transitions.
Iterating post reduction 8 with 3 rules applied. Total rules applied 1514 place count 216 transition count 362
Performed 76 Post agglomeration using F-continuation condition with reduction of 10 identical transitions.
Deduced a syphon composed of 76 places in 1 ms
Reduce places removed 76 places and 0 transitions.
Iterating global reduction 9 with 152 rules applied. Total rules applied 1666 place count 140 transition count 276
Ensure Unique test removed 4 transitions
Reduce isomorphic transitions removed 4 transitions.
Iterating post reduction 9 with 4 rules applied. Total rules applied 1670 place count 140 transition count 272
Performed 38 Post agglomeration using F-continuation condition.Transition count delta: -41
Deduced a syphon composed of 38 places in 0 ms
Reduce places removed 38 places and 0 transitions.
Iterating global reduction 10 with 76 rules applied. Total rules applied 1746 place count 102 transition count 313
Drop transitions (Empty/Sink Transition effects.) removed 44 transitions
Ensure Unique test removed 18 transitions
Reduce isomorphic transitions removed 62 transitions.
Iterating post reduction 10 with 62 rules applied. Total rules applied 1808 place count 102 transition count 251
Discarding 26 places :
Symmetric choice reduction at 11 with 26 rule applications. Total rules 1834 place count 76 transition count 179
Iterating global reduction 11 with 26 rules applied. Total rules applied 1860 place count 76 transition count 179
Ensure Unique test removed 18 transitions
Reduce isomorphic transitions removed 18 transitions.
Iterating post reduction 11 with 18 rules applied. Total rules applied 1878 place count 76 transition count 161
Discarding 6 places :
Symmetric choice reduction at 12 with 6 rule applications. Total rules 1884 place count 70 transition count 133
Iterating global reduction 12 with 6 rules applied. Total rules applied 1890 place count 70 transition count 133
Ensure Unique test removed 5 transitions
Reduce isomorphic transitions removed 5 transitions.
Iterating post reduction 12 with 5 rules applied. Total rules applied 1895 place count 70 transition count 128
Performed 2 Post agglomeration using F-continuation condition.Transition count delta: -18
Deduced a syphon composed of 2 places in 1 ms
Reduce places removed 2 places and 0 transitions.
Iterating global reduction 13 with 4 rules applied. Total rules applied 1899 place count 68 transition count 146
Drop transitions (Empty/Sink Transition effects.) removed 8 transitions
Reduce isomorphic transitions removed 8 transitions.
Iterating post reduction 13 with 8 rules applied. Total rules applied 1907 place count 68 transition count 138
Drop transitions (Redundant composition of simpler transitions.) removed 14 transitions
Redundant transition composition rules discarded 14 transitions
Iterating global reduction 14 with 14 rules applied. Total rules applied 1921 place count 68 transition count 124
Discarding 1 places :
Symmetric choice reduction at 14 with 1 rule applications. Total rules 1922 place count 67 transition count 122
Iterating global reduction 14 with 1 rules applied. Total rules applied 1923 place count 67 transition count 122
Ensure Unique test removed 1 transitions
Reduce isomorphic transitions removed 1 transitions.
Iterating post reduction 14 with 1 rules applied. Total rules applied 1924 place count 67 transition count 121
Free-agglomeration rule applied 13 times.
Iterating global reduction 15 with 13 rules applied. Total rules applied 1937 place count 67 transition count 108
Reduce places removed 13 places and 0 transitions.
Drop transitions (Empty/Sink Transition effects.) removed 4 transitions
Ensure Unique test removed 1 transitions
Reduce isomorphic transitions removed 5 transitions.
Iterating post reduction 15 with 18 rules applied. Total rules applied 1955 place count 54 transition count 103
Partial Free-agglomeration rule applied 1 times.
Drop transitions (Partial Free agglomeration) removed 1 transitions
Iterating global reduction 16 with 1 rules applied. Total rules applied 1956 place count 54 transition count 103
Reduce places removed 1 places and 1 transitions.
Iterating global reduction 16 with 1 rules applied. Total rules applied 1957 place count 53 transition count 102
Reduce places removed 3 places and 0 transitions.
Graph (trivial) has 26 edges and 50 vertex of which 5 / 50 are part of one of the 2 SCC in 0 ms
Free SCC test removed 3 places
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 16 with 5 rules applied. Total rules applied 1962 place count 47 transition count 101
Reduce places removed 1 places and 0 transitions.
Drop transitions (Empty/Sink Transition effects.) removed 6 transitions
Ensure Unique test removed 1 transitions
Reduce isomorphic transitions removed 7 transitions.
Iterating post reduction 17 with 8 rules applied. Total rules applied 1970 place count 46 transition count 94
Performed 2 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 18 with 2 Pre rules applied. Total rules applied 1970 place count 46 transition count 92
Deduced a syphon composed of 2 places in 0 ms
Reduce places removed 2 places and 0 transitions.
Iterating global reduction 18 with 4 rules applied. Total rules applied 1974 place count 44 transition count 92
Drop transitions (Redundant composition of simpler transitions.) removed 14 transitions
Redundant transition composition rules discarded 14 transitions
Iterating global reduction 18 with 14 rules applied. Total rules applied 1988 place count 44 transition count 78
Discarding 2 places :
Symmetric choice reduction at 18 with 2 rule applications. Total rules 1990 place count 42 transition count 74
Iterating global reduction 18 with 2 rules applied. Total rules applied 1992 place count 42 transition count 74
Ensure Unique test removed 2 transitions
Reduce isomorphic transitions removed 2 transitions.
Iterating post reduction 18 with 2 rules applied. Total rules applied 1994 place count 42 transition count 72
Free-agglomeration rule applied 8 times.
Iterating global reduction 19 with 8 rules applied. Total rules applied 2002 place count 42 transition count 64
Reduce places removed 8 places and 0 transitions.
Iterating post reduction 19 with 8 rules applied. Total rules applied 2010 place count 34 transition count 64
Drop transitions (Redundant composition of simpler transitions.) removed 6 transitions
Redundant transition composition rules discarded 6 transitions
Iterating global reduction 20 with 6 rules applied. Total rules applied 2016 place count 34 transition count 58
Free-agglomeration rule applied 2 times.
Iterating global reduction 20 with 2 rules applied. Total rules applied 2018 place count 34 transition count 56
Reduce places removed 2 places and 0 transitions.
Drop transitions (Empty/Sink Transition effects.) removed 2 transitions
Reduce isomorphic transitions removed 2 transitions.
Iterating post reduction 20 with 4 rules applied. Total rules applied 2022 place count 32 transition count 54
Applied a total of 2022 rules in 319 ms. Remains 32 /991 variables (removed 959) and now considering 54/1212 (removed 1158) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 328 ms. Remains : 32/991 places, 54/1212 transitions.
[2025-05-30 13:25:25] [INFO ] Flow matrix only has 51 transitions (discarded 3 similar events)
// Phase 1: matrix 51 rows 32 cols
[2025-05-30 13:25:25] [INFO ] Computed 7 invariants in 1 ms
Current structural bounds on expressions (after invariants) : Max Seen:[0, 0, 0, 0, 0, 0, 0, 0, 0] Max Struct:[1, 1, 1, 1, 1, 1, 1, 1, 1]
RANDOM walk for 1000000 steps (2 resets) in 1178 ms. (848 steps per ms)
FORMULA CO4-PT-20-UpperBounds-15 1 TECHNIQUES TOPOLOGICAL BESTFIRST_WALK
FORMULA CO4-PT-20-UpperBounds-14 1 TECHNIQUES TOPOLOGICAL BESTFIRST_WALK
FORMULA CO4-PT-20-UpperBounds-13 1 TECHNIQUES TOPOLOGICAL BESTFIRST_WALK
FORMULA CO4-PT-20-UpperBounds-09 1 TECHNIQUES TOPOLOGICAL BESTFIRST_WALK
FORMULA CO4-PT-20-UpperBounds-07 1 TECHNIQUES TOPOLOGICAL BESTFIRST_WALK
FORMULA CO4-PT-20-UpperBounds-06 1 TECHNIQUES TOPOLOGICAL BESTFIRST_WALK
FORMULA CO4-PT-20-UpperBounds-04 1 TECHNIQUES TOPOLOGICAL BESTFIRST_WALK
FORMULA CO4-PT-20-UpperBounds-02 1 TECHNIQUES TOPOLOGICAL BESTFIRST_WALK
FORMULA CO4-PT-20-UpperBounds-00 1 TECHNIQUES TOPOLOGICAL BESTFIRST_WALK
BEST_FIRST walk for 1000001 steps (2 resets) in 271 ms. (3676 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 13:25:27] [INFO ] Flatten gal took : 37 ms
[2025-05-30 13:25:27] [INFO ] Flatten gal took : 7 ms
[2025-05-30 13:25:27] [INFO ] Time to serialize gal into /tmp/ReachabilityCardinality16740013843292308467.gal : 4 ms
[2025-05-30 13:25:27] [INFO ] Time to serialize properties into /tmp/ReachabilityCardinality4668690390172997703.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/ReachabilityCardinality16740013843292308467.gal' '-t' 'CGAL' '-reachable-file' '/tmp/ReachabilityCardinality4668690390172997703.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 ...329
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 41272 ms.

BK_STOP 1748611527535

--------------------
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-20"
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-20, 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-174854028600533"
echo "====================================================================="
echo
echo "--------------------"
echo "preparation of the directory to be used:"

tar xzf /home/mcc/BenchKit/INPUTS/CO4-PT-20.tgz
mv CO4-PT-20 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 ;