Execution Chart

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Trace from the execution

Formatting '/data/fkordon/mcc2025-input.r044-tall-174854028500445.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-09, examination is UpperBounds
Time confinement is 3600 seconds
Memory confinement is 16384 MBytes
Number of cores is 4
Run identifier is r044-tall-174854028500445
=====================================================================

--------------------
preparation of the directory to be used:
/home/mcc/execution
total 584K
-rw-r--r-- 1 mcc users 6.9K May 29 14:47 CTLCardinality.txt
-rw-r--r-- 1 mcc users 74K May 29 14:47 CTLCardinality.xml
-rw-r--r-- 1 mcc users 5.3K May 29 14:47 CTLFireability.txt
-rw-r--r-- 1 mcc users 50K 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 18K May 29 14:47 LTLFireability.xml
-rw-r--r-- 1 mcc users 9.8K May 29 14:47 ReachabilityCardinality.txt
-rw-r--r-- 1 mcc users 100K May 29 14:47 ReachabilityCardinality.xml
-rw-r--r-- 1 mcc users 9.3K May 29 14:47 ReachabilityFireability.txt
-rw-r--r-- 1 mcc users 82K 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 152K 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-09-UpperBounds-00
FORMULA_NAME CO4-PT-09-UpperBounds-01
FORMULA_NAME CO4-PT-09-UpperBounds-02
FORMULA_NAME CO4-PT-09-UpperBounds-03
FORMULA_NAME CO4-PT-09-UpperBounds-04
FORMULA_NAME CO4-PT-09-UpperBounds-05
FORMULA_NAME CO4-PT-09-UpperBounds-06
FORMULA_NAME CO4-PT-09-UpperBounds-07
FORMULA_NAME CO4-PT-09-UpperBounds-08
FORMULA_NAME CO4-PT-09-UpperBounds-09
FORMULA_NAME CO4-PT-09-UpperBounds-10
FORMULA_NAME CO4-PT-09-UpperBounds-11
FORMULA_NAME CO4-PT-09-UpperBounds-12
FORMULA_NAME CO4-PT-09-UpperBounds-13
FORMULA_NAME CO4-PT-09-UpperBounds-14
FORMULA_NAME CO4-PT-09-UpperBounds-15

=== Now, execution of the tool begins

BK_START 1748606480343

Invoking MCC driver with
BK_TOOL=itstools
BK_EXAMINATION=UpperBounds
BK_BIN_PATH=/home/mcc/BenchKit/bin/
BK_TIME_CONFINEMENT=3600
BK_INPUT=CO4-PT-09
BK_MEMORY_CONFINEMENT=16384
Not applying reductions.
Model is PT
UpperBounds PT
Running Version 202505121319
[2025-05-30 12:01:21] [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 12:01:21] [INFO ] Parsing pnml file : /home/mcc/execution/model.pnml
[2025-05-30 12:01:21] [INFO ] Load time of PNML (sax parser for PT used): 88 ms
[2025-05-30 12:01:21] [INFO ] Transformed 467 places.
[2025-05-30 12:01:21] [INFO ] Transformed 634 transitions.
[2025-05-30 12:01:21] [INFO ] Found NUPN structural information;
[2025-05-30 12:01:21] [INFO ] Parsed PT model containing 467 places and 634 transitions and 1868 arcs in 197 ms.
Parsed 16 properties from file /home/mcc/execution/UpperBounds.xml in 7 ms.
Deduced a syphon composed of 108 places in 6 ms
Reduce places removed 108 places and 163 transitions.
FORMULA CO4-PT-09-UpperBounds-03 0 TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA CO4-PT-09-UpperBounds-10 0 TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA CO4-PT-09-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, 0] Max Struct:[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] Max Struct:[1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
// Phase 1: matrix 471 rows 359 cols
[2025-05-30 12:01:21] [INFO ] Computed 9 invariants in 18 ms
Current structural bounds on expressions (after invariants) : Max Seen:[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]
RANDOM walk for 10000 steps (44 resets) in 44 ms. (222 steps per ms)
FORMULA CO4-PT-09-UpperBounds-13 1 TECHNIQUES TOPOLOGICAL BESTFIRST_WALK
FORMULA CO4-PT-09-UpperBounds-09 1 TECHNIQUES TOPOLOGICAL BESTFIRST_WALK
FORMULA CO4-PT-09-UpperBounds-08 1 TECHNIQUES TOPOLOGICAL BESTFIRST_WALK
FORMULA CO4-PT-09-UpperBounds-04 1 TECHNIQUES TOPOLOGICAL BESTFIRST_WALK
FORMULA CO4-PT-09-UpperBounds-01 1 TECHNIQUES TOPOLOGICAL BESTFIRST_WALK
FORMULA CO4-PT-09-UpperBounds-00 1 TECHNIQUES TOPOLOGICAL BESTFIRST_WALK
FORMULA CO4-PT-09-UpperBounds-15 1 TECHNIQUES TOPOLOGICAL BESTFIRST_WALK
FORMULA CO4-PT-09-UpperBounds-14 1 TECHNIQUES TOPOLOGICAL BESTFIRST_WALK
BEST_FIRST walk for 50002 steps (377 resets) in 50 ms. (980 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[0, 0, 0, 0, 0] Max Struct:[1, 1, 1, 1, 1]
[2025-05-30 12:01:21] [INFO ] Invariant cache hit.
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
[2025-05-30 12:01:22] [INFO ] [Real]Absence check using 7 positive place invariants in 16 ms returned sat
[2025-05-30 12:01:22] [INFO ] [Real]Absence check using 7 positive and 2 generalized place invariants in 4 ms returned sat
[2025-05-30 12:01:22] [INFO ] [Real]Absence check using state equation in 131 ms returned sat
[2025-05-30 12:01:22] [INFO ] Computed and/alt/rep : 366/633/366 causal constraints (skipped 104 transitions) in 42 ms.
[2025-05-30 12:01:22] [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 12:01:22] [INFO ] [Nat]Absence check using 7 positive place invariants in 10 ms returned sat
[2025-05-30 12:01:22] [INFO ] [Nat]Absence check using 7 positive and 2 generalized place invariants in 1 ms returned sat
[2025-05-30 12:01:22] [INFO ] [Nat]Absence check using state equation in 126 ms returned sat
[2025-05-30 12:01:22] [INFO ] Computed and/alt/rep : 366/633/366 causal constraints (skipped 104 transitions) in 23 ms.
[2025-05-30 12:01:23] [INFO ] Added : 71 causal constraints over 16 iterations in 527 ms. Result :sat
Minimization took 243 ms.
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
[2025-05-30 12:01:23] [INFO ] [Real]Absence check using 7 positive place invariants in 8 ms returned sat
[2025-05-30 12:01:23] [INFO ] [Real]Absence check using 7 positive and 2 generalized place invariants in 1 ms returned sat
[2025-05-30 12:01:23] [INFO ] [Real]Absence check using state equation in 109 ms returned sat
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-30 12:01:24] [INFO ] Deduced a trap composed of 17 places in 122 ms of which 18 ms to minimize.
[2025-05-30 12:01:24] [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 12:01:24] [INFO ] [Nat]Absence check using 7 positive place invariants in 9 ms returned sat
[2025-05-30 12:01:24] [INFO ] [Nat]Absence check using 7 positive and 2 generalized place invariants in 1 ms returned sat
[2025-05-30 12:01:24] [INFO ] [Nat]Absence check using state equation in 101 ms returned sat
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-30 12:01:24] [INFO ] Deduced a trap composed of 17 places in 80 ms of which 5 ms to minimize.
[2025-05-30 12:01:24] [INFO ] Trap strengthening (SAT) tested/added 2/1 trap constraints in 115 ms
[2025-05-30 12:01:24] [INFO ] Computed and/alt/rep : 366/633/366 causal constraints (skipped 104 transitions) in 32 ms.
[2025-05-30 12:01:24] [INFO ] Added : 63 causal constraints over 13 iterations in 427 ms. Result :sat
Minimization took 194 ms.
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
[2025-05-30 12:01:25] [INFO ] [Real]Absence check using 7 positive place invariants in 8 ms returned sat
[2025-05-30 12:01:25] [INFO ] [Real]Absence check using 7 positive and 2 generalized place invariants in 2 ms returned sat
[2025-05-30 12:01:25] [INFO ] [Real]Absence check using state equation in 101 ms returned sat
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-30 12:01:25] [INFO ] Deduced a trap composed of 17 places in 78 ms of which 5 ms to minimize.
[2025-05-30 12:01:25] [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 12:01:25] [INFO ] [Nat]Absence check using 7 positive place invariants in 10 ms returned sat
[2025-05-30 12:01:25] [INFO ] [Nat]Absence check using 7 positive and 2 generalized place invariants in 1 ms returned sat
[2025-05-30 12:01:25] [INFO ] [Nat]Absence check using state equation in 106 ms returned sat
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-30 12:01:25] [INFO ] Deduced a trap composed of 17 places in 90 ms of which 5 ms to minimize.
[2025-05-30 12:01:25] [INFO ] Trap strengthening (SAT) tested/added 2/1 trap constraints in 131 ms
[2025-05-30 12:01:25] [INFO ] Computed and/alt/rep : 366/633/366 causal constraints (skipped 104 transitions) in 29 ms.
[2025-05-30 12:01:25] [INFO ] Added : 60 causal constraints over 12 iterations in 374 ms. Result :sat
Minimization took 208 ms.
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
[2025-05-30 12:01:26] [INFO ] [Real]Absence check using 7 positive place invariants in 9 ms returned sat
[2025-05-30 12:01:26] [INFO ] [Real]Absence check using 7 positive and 2 generalized place invariants in 2 ms returned sat
[2025-05-30 12:01:26] [INFO ] [Real]Absence check using state equation in 114 ms returned sat
[2025-05-30 12:01:26] [INFO ] Computed and/alt/rep : 366/633/366 causal constraints (skipped 104 transitions) in 35 ms.
[2025-05-30 12:01:26] [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 12:01:26] [INFO ] [Nat]Absence check using 7 positive place invariants in 9 ms returned sat
[2025-05-30 12:01:26] [INFO ] [Nat]Absence check using 7 positive and 2 generalized place invariants in 2 ms returned sat
[2025-05-30 12:01:26] [INFO ] [Nat]Absence check using state equation in 104 ms returned sat
[2025-05-30 12:01:26] [INFO ] Computed and/alt/rep : 366/633/366 causal constraints (skipped 104 transitions) in 27 ms.
[2025-05-30 12:01:27] [INFO ] Added : 54 causal constraints over 12 iterations in 387 ms. Result :sat
Minimization took 193 ms.
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
[2025-05-30 12:01:27] [INFO ] [Real]Absence check using 7 positive place invariants in 9 ms returned sat
[2025-05-30 12:01:27] [INFO ] [Real]Absence check using 7 positive and 2 generalized place invariants in 1 ms returned sat
[2025-05-30 12:01:27] [INFO ] [Real]Absence check using state equation in 106 ms returned sat
[2025-05-30 12:01:27] [INFO ] Computed and/alt/rep : 366/633/366 causal constraints (skipped 104 transitions) in 26 ms.
[2025-05-30 12:01:27] [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 12:01:27] [INFO ] [Nat]Absence check using 7 positive place invariants in 10 ms returned sat
[2025-05-30 12:01:27] [INFO ] [Nat]Absence check using 7 positive and 2 generalized place invariants in 1 ms returned sat
[2025-05-30 12:01:27] [INFO ] [Nat]Absence check using state equation in 107 ms returned sat
[2025-05-30 12:01:27] [INFO ] Computed and/alt/rep : 366/633/366 causal constraints (skipped 104 transitions) in 25 ms.
[2025-05-30 12:01:28] [INFO ] Added : 72 causal constraints over 16 iterations in 478 ms. Result :sat
Minimization took 310 ms.
Current structural bounds on expressions (after SMT) : Max Seen:[0, 0, 0, 0, 0] Max Struct:[1, 1, 1, 1, 1]
FORMULA CO4-PT-09-UpperBounds-11 1 TECHNIQUES TOPOLOGICAL PARIKH_WALK
FORMULA CO4-PT-09-UpperBounds-07 1 TECHNIQUES TOPOLOGICAL PARIKH_WALK
Current structural bounds on expressions (After Parikh guided walk) : Max Seen:[1, 0, 0] Max Struct:[1, 1, 1]
Support contains 3 out of 359 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 359/359 places, 471/471 transitions.
Graph (trivial) has 358 edges and 359 vertex of which 2 / 359 are part of one of the 1 SCC in 2 ms
Free SCC test removed 1 places
Drop transitions (Empty/Sink Transition effects.) removed 2 transitions
Reduce isomorphic transitions removed 2 transitions.
Graph (complete) has 757 edges and 358 vertex of which 323 are kept as prefixes of interest. Removing 35 places using SCC suffix rule.1 ms
Discarding 35 places :
Also discarding 17 output transitions
Drop transitions (Output transitions of discarded places.) removed 17 transitions
Drop transitions (Empty/Sink Transition effects.) removed 22 transitions
Reduce isomorphic transitions removed 22 transitions.
Drop transitions (Trivial Post-Agglo cleanup.) removed 159 transitions
Trivial Post-agglo rules discarded 159 transitions
Performed 159 trivial Post agglomeration. Transition count delta: 159
Iterating post reduction 0 with 181 rules applied. Total rules applied 183 place count 323 transition count 271
Reduce places removed 159 places and 0 transitions.
Ensure Unique test removed 9 transitions
Reduce isomorphic transitions removed 9 transitions.
Drop transitions (Trivial Post-Agglo cleanup.) removed 7 transitions
Trivial Post-agglo rules discarded 7 transitions
Performed 7 trivial Post agglomeration. Transition count delta: 7
Iterating post reduction 1 with 175 rules applied. Total rules applied 358 place count 164 transition count 255
Reduce places removed 7 places and 0 transitions.
Ensure Unique test removed 7 transitions
Reduce isomorphic transitions removed 7 transitions.
Drop transitions (Trivial Post-Agglo cleanup.) removed 1 transitions
Trivial Post-agglo rules discarded 1 transitions
Performed 1 trivial Post agglomeration. Transition count delta: 1
Iterating post reduction 2 with 15 rules applied. Total rules applied 373 place count 157 transition count 247
Reduce places removed 1 places and 0 transitions.
Ensure Unique test removed 1 transitions
Reduce isomorphic transitions removed 1 transitions.
Drop transitions (Trivial Post-Agglo cleanup.) removed 1 transitions
Trivial Post-agglo rules discarded 1 transitions
Performed 1 trivial Post agglomeration. Transition count delta: 1
Iterating post reduction 3 with 3 rules applied. Total rules applied 376 place count 156 transition count 245
Reduce places removed 1 places and 0 transitions.
Ensure Unique test removed 1 transitions
Reduce isomorphic transitions removed 1 transitions.
Drop transitions (Trivial Post-Agglo cleanup.) removed 1 transitions
Trivial Post-agglo rules discarded 1 transitions
Performed 1 trivial Post agglomeration. Transition count delta: 1
Iterating post reduction 4 with 3 rules applied. Total rules applied 379 place count 155 transition count 243
Reduce places removed 1 places and 0 transitions.
Ensure Unique test removed 1 transitions
Reduce isomorphic transitions removed 1 transitions.
Performed 4 Post agglomeration using F-continuation condition.Transition count delta: 4
Iterating post reduction 5 with 6 rules applied. Total rules applied 385 place count 154 transition count 238
Reduce places removed 4 places and 0 transitions.
Ensure Unique test removed 1 transitions
Reduce isomorphic transitions removed 1 transitions.
Iterating post reduction 6 with 5 rules applied. Total rules applied 390 place count 150 transition count 237
Performed 1 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 7 with 1 Pre rules applied. Total rules applied 390 place count 150 transition count 236
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 392 place count 149 transition count 236
Discarding 26 places :
Symmetric choice reduction at 7 with 26 rule applications. Total rules 418 place count 123 transition count 210
Iterating global reduction 7 with 26 rules applied. Total rules applied 444 place count 123 transition count 210
Performed 6 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 7 with 6 Pre rules applied. Total rules applied 444 place count 123 transition count 204
Deduced a syphon composed of 6 places in 0 ms
Reduce places removed 6 places and 0 transitions.
Iterating global reduction 7 with 12 rules applied. Total rules applied 456 place count 117 transition count 204
Discarding 17 places :
Symmetric choice reduction at 7 with 17 rule applications. Total rules 473 place count 100 transition count 162
Iterating global reduction 7 with 17 rules applied. Total rules applied 490 place count 100 transition count 162
Ensure Unique test removed 2 transitions
Reduce isomorphic transitions removed 2 transitions.
Iterating post reduction 7 with 2 rules applied. Total rules applied 492 place count 100 transition count 160
Discarding 2 places :
Symmetric choice reduction at 8 with 2 rule applications. Total rules 494 place count 98 transition count 158
Iterating global reduction 8 with 2 rules applied. Total rules applied 496 place count 98 transition count 158
Ensure Unique test removed 2 transitions
Reduce isomorphic transitions removed 2 transitions.
Iterating post reduction 8 with 2 rules applied. Total rules applied 498 place count 98 transition count 156
Performed 36 Post agglomeration using F-continuation condition with reduction of 5 identical transitions.
Deduced a syphon composed of 36 places in 0 ms
Reduce places removed 36 places and 0 transitions.
Iterating global reduction 9 with 72 rules applied. Total rules applied 570 place count 62 transition count 115
Drop transitions (Empty/Sink Transition effects.) removed 1 transitions
Ensure Unique test removed 1 transitions
Reduce isomorphic transitions removed 2 transitions.
Iterating post reduction 9 with 2 rules applied. Total rules applied 572 place count 62 transition count 113
Performed 15 Post agglomeration using F-continuation condition.Transition count delta: -16
Deduced a syphon composed of 15 places in 0 ms
Reduce places removed 15 places and 0 transitions.
Iterating global reduction 10 with 30 rules applied. Total rules applied 602 place count 47 transition count 129
Drop transitions (Empty/Sink Transition effects.) removed 15 transitions
Ensure Unique test removed 7 transitions
Reduce isomorphic transitions removed 22 transitions.
Iterating post reduction 10 with 22 rules applied. Total rules applied 624 place count 47 transition count 107
Discarding 10 places :
Symmetric choice reduction at 11 with 10 rule applications. Total rules 634 place count 37 transition count 77
Iterating global reduction 11 with 10 rules applied. Total rules applied 644 place count 37 transition count 77
Ensure Unique test removed 7 transitions
Reduce isomorphic transitions removed 7 transitions.
Iterating post reduction 11 with 7 rules applied. Total rules applied 651 place count 37 transition count 70
Discarding 3 places :
Symmetric choice reduction at 12 with 3 rule applications. Total rules 654 place count 34 transition count 55
Iterating global reduction 12 with 3 rules applied. Total rules applied 657 place count 34 transition count 55
Ensure Unique test removed 2 transitions
Reduce isomorphic transitions removed 2 transitions.
Iterating post reduction 12 with 2 rules applied. Total rules applied 659 place count 34 transition count 53
Performed 1 Post agglomeration using F-continuation condition.Transition count delta: -17
Deduced a syphon composed of 1 places in 0 ms
Reduce places removed 1 places and 0 transitions.
Iterating global reduction 13 with 2 rules applied. Total rules applied 661 place count 33 transition count 70
Drop transitions (Empty/Sink Transition effects.) removed 3 transitions
Reduce isomorphic transitions removed 3 transitions.
Iterating post reduction 13 with 3 rules applied. Total rules applied 664 place count 33 transition count 67
Drop transitions (Redundant composition of simpler transitions.) removed 8 transitions
Redundant transition composition rules discarded 8 transitions
Iterating global reduction 14 with 8 rules applied. Total rules applied 672 place count 33 transition count 59
Free-agglomeration rule applied 8 times.
Iterating global reduction 14 with 8 rules applied. Total rules applied 680 place count 33 transition count 51
Reduce places removed 8 places and 0 transitions.
Drop transitions (Empty/Sink Transition effects.) removed 3 transitions
Reduce isomorphic transitions removed 3 transitions.
Iterating post reduction 14 with 11 rules applied. Total rules applied 691 place count 25 transition count 48
Reduce places removed 1 places and 1 transitions.
Iterating global reduction 15 with 1 rules applied. Total rules applied 692 place count 24 transition count 47
Reduce places removed 2 places and 0 transitions.
Iterating post reduction 15 with 2 rules applied. Total rules applied 694 place count 22 transition count 47
Drop transitions (Redundant composition of simpler transitions.) removed 2 transitions
Redundant transition composition rules discarded 2 transitions
Iterating global reduction 16 with 2 rules applied. Total rules applied 696 place count 22 transition count 45
Discarding 1 places :
Symmetric choice reduction at 16 with 1 rule applications. Total rules 697 place count 21 transition count 41
Iterating global reduction 16 with 1 rules applied. Total rules applied 698 place count 21 transition count 41
Ensure Unique test removed 1 transitions
Reduce isomorphic transitions removed 1 transitions.
Iterating post reduction 16 with 1 rules applied. Total rules applied 699 place count 21 transition count 40
Free-agglomeration rule applied 2 times.
Iterating global reduction 17 with 2 rules applied. Total rules applied 701 place count 21 transition count 38
Reduce places removed 2 places and 0 transitions.
Iterating post reduction 17 with 2 rules applied. Total rules applied 703 place count 19 transition count 38
Drop transitions (Redundant composition of simpler transitions.) removed 4 transitions
Redundant transition composition rules discarded 4 transitions
Iterating global reduction 18 with 4 rules applied. Total rules applied 707 place count 19 transition count 34
Applied a total of 707 rules in 97 ms. Remains 19 /359 variables (removed 340) and now considering 34/471 (removed 437) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 105 ms. Remains : 19/359 places, 34/471 transitions.
[2025-05-30 12:01:28] [INFO ] Flow matrix only has 28 transitions (discarded 6 similar events)
// Phase 1: matrix 28 rows 19 cols
[2025-05-30 12:01:28] [INFO ] Computed 5 invariants in 0 ms
Current structural bounds on expressions (after invariants) : Max Seen:[1, 0, 0] Max Struct:[1, 1, 1]
FORMULA CO4-PT-09-UpperBounds-02 1 TECHNIQUES TOPOLOGICAL INITIAL_STATE
RANDOM walk for 1000000 steps (2 resets) in 752 ms. (1328 steps per ms)
FORMULA CO4-PT-09-UpperBounds-06 1 TECHNIQUES TOPOLOGICAL BESTFIRST_WALK
FORMULA CO4-PT-09-UpperBounds-05 1 TECHNIQUES TOPOLOGICAL BESTFIRST_WALK
BEST_FIRST walk for 1000001 steps (2 resets) in 291 ms. (3424 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 12:01:30] [INFO ] Flatten gal took : 23 ms
[2025-05-30 12:01:30] [INFO ] Flatten gal took : 6 ms
[2025-05-30 12:01:30] [INFO ] Time to serialize gal into /tmp/ReachabilityCardinality516459269484892817.gal : 5 ms
[2025-05-30 12:01:30] [INFO ] Time to serialize properties into /tmp/ReachabilityCardinality10903860219758134430.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/ReachabilityCardinality516459269484892817.gal' '-t' 'CGAL' '-reachable-file' '/tmp/ReachabilityCardinality10903860219758134430.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 8698 ms.

BK_STOP 1748606490288

--------------------
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-09"
export BK_EXAMINATION="UpperBounds"
export BK_TOOL="itstools"
export BK_RESULT_DIR="/tmp/BK_RESULTS/OUTPUTS"
export BK_TIME_CONFINEMENT="3600"
export BK_MEMORY_CONFINEMENT="16384"
export BK_BIN_PATH="/home/mcc/BenchKit/bin/"

# this is specific to your benchmark or test

export BIN_DIR="$HOME/BenchKit/bin"

# remove the execution directoty if it exists (to avoid increse of .vmdk images)
if [ -d execution ] ; then
rm -rf execution
fi

# this is for BenchKit: explicit launching of the test
echo "====================================================================="
echo " Generated by BenchKit 2-5832"
echo " Executing tool itstools"
echo " Input is CO4-PT-09, examination is UpperBounds"
echo " Time confinement is $BK_TIME_CONFINEMENT seconds"
echo " Memory confinement is 16384 MBytes"
echo " Number of cores is 4"
echo " Run identifier is r044-tall-174854028500445"
echo "====================================================================="
echo
echo "--------------------"
echo "preparation of the directory to be used:"

tar xzf /home/mcc/BenchKit/INPUTS/CO4-PT-09.tgz
mv CO4-PT-09 execution
cd execution
if [ "UpperBounds" = "ReachabilityDeadlock" ] || [ "UpperBounds" = "UpperBounds" ] || [ "UpperBounds" = "QuasiLiveness" ] || [ "UpperBounds" = "StableMarking" ] || [ "UpperBounds" = "Liveness" ] || [ "UpperBounds" = "OneSafe" ] || [ "UpperBounds" = "StateSpace" ]; then
rm -f GenericPropertiesVerdict.xml
fi
pwd
ls -lh

echo
echo "--------------------"
echo "content from stdout:"
echo
echo "=== Data for post analysis generated by BenchKit (invocation template)"
echo
if [ "UpperBounds" = "UpperBounds" ] ; then
echo "The expected result is a vector of positive values"
echo NUM_VECTOR
elif [ "UpperBounds" != "StateSpace" ] ; then
echo "The expected result is a vector of booleans"
echo BOOL_VECTOR
else
echo "no data necessary for post analysis"
fi
echo
if [ -f "UpperBounds.xml" ] ; then # for cunf (txt files deleted;-)
echo echo "here is the order used to build the result vector(from xml file)"
for x in $(grep '' UpperBounds.xml | cut -d '>' -f 2 | cut -d '<' -f 1 | sort -u) ; do
echo "FORMULA_NAME $x"
done
elif [ "UpperBounds" = "ReachabilityDeadlock" ] || [ "UpperBounds" = "QuasiLiveness" ] || [ "UpperBounds" = "StableMarking" ] || [ "UpperBounds" = "Liveness" ] || [ "UpperBounds" = "OneSafe" ] ; then
echo "FORMULA_NAME UpperBounds"
fi
echo
echo "=== Now, execution of the tool begins"
echo
echo -n "BK_START "
date -u +%s%3N
echo
timeout -s 9 $BK_TIME_CONFINEMENT bash -c "/home/mcc/BenchKit/BenchKit_head.sh 2> STDERR ; echo ; echo -n \"BK_STOP \" ; date -u +%s%3N"
if [ $? -eq 137 ] ; then
echo
echo "BK_TIME_CONFINEMENT_REACHED"
fi
echo
echo "--------------------"
echo "content from stderr:"
echo
cat STDERR ;