Execution Chart

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Trace from the execution

Formatting '/data/fkordon/mcc2025-input.r142-tall-174876812100175.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 NoC3x3-PT-2A, examination is ReachabilityFireability
Time confinement is 3600 seconds
Memory confinement is 16384 MBytes
Number of cores is 4
Run identifier is r142-tall-174876812100175
=====================================================================

--------------------
preparation of the directory to be used:
/home/mcc/execution
total 536K
-rw-r--r-- 1 mcc users 6.6K May 29 14:47 CTLCardinality.txt
-rw-r--r-- 1 mcc users 71K May 29 14:47 CTLCardinality.xml
-rw-r--r-- 1 mcc users 4.2K May 29 14:47 CTLFireability.txt
-rw-r--r-- 1 mcc users 34K May 29 14:47 CTLFireability.xml
-rw-r--r-- 1 mcc users 4.2K May 29 14:32 GenericPropertiesDefinition.xml
-rw-r--r-- 1 mcc users 6.1K May 29 14:32 GenericPropertiesVerdict.xml
-rw-r--r-- 1 mcc users 3.8K 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 11K May 29 14:47 ReachabilityCardinality.txt
-rw-r--r-- 1 mcc users 112K May 29 14:47 ReachabilityCardinality.xml
-rw-r--r-- 1 mcc users 7.1K May 29 14:47 ReachabilityFireability.txt
-rw-r--r-- 1 mcc users 56K 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 3.6K 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 127K 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 booleans
BOOL_VECTOR

echo here is the order used to build the result vector(from xml file)
FORMULA_NAME NoC3x3-PT-2A-ReachabilityFireability-2025-00
FORMULA_NAME NoC3x3-PT-2A-ReachabilityFireability-2025-01
FORMULA_NAME NoC3x3-PT-2A-ReachabilityFireability-2025-02
FORMULA_NAME NoC3x3-PT-2A-ReachabilityFireability-2025-03
FORMULA_NAME NoC3x3-PT-2A-ReachabilityFireability-2025-04
FORMULA_NAME NoC3x3-PT-2A-ReachabilityFireability-2025-05
FORMULA_NAME NoC3x3-PT-2A-ReachabilityFireability-2025-06
FORMULA_NAME NoC3x3-PT-2A-ReachabilityFireability-2025-07
FORMULA_NAME NoC3x3-PT-2A-ReachabilityFireability-2025-08
FORMULA_NAME NoC3x3-PT-2A-ReachabilityFireability-2025-09
FORMULA_NAME NoC3x3-PT-2A-ReachabilityFireability-2025-10
FORMULA_NAME NoC3x3-PT-2A-ReachabilityFireability-2025-11
FORMULA_NAME NoC3x3-PT-2A-ReachabilityFireability-2025-12
FORMULA_NAME NoC3x3-PT-2A-ReachabilityFireability-2025-13
FORMULA_NAME NoC3x3-PT-2A-ReachabilityFireability-2025-14
FORMULA_NAME NoC3x3-PT-2A-ReachabilityFireability-2025-15

=== Now, execution of the tool begins

BK_START 1748816132153

Invoking MCC driver with
BK_TOOL=itstools
BK_EXAMINATION=ReachabilityFireability
BK_BIN_PATH=/home/mcc/BenchKit/bin/
BK_TIME_CONFINEMENT=3600
BK_INPUT=NoC3x3-PT-2A
BK_MEMORY_CONFINEMENT=16384
Not applying reductions.
Model is PT
ReachabilityFireability PT
Running Version 202505121319
[2025-06-01 22:15:33] [INFO ] Running its-tools with arguments : [-pnfolder, /home/mcc/execution, -examination, ReachabilityFireability, -its, -ltsmin, -greatspnpath, /home/mcc/BenchKit/bin//../itstools/bin//..//greatspn/, -order, META, -manyOrder, -smt, -timeout, 3600]
[2025-06-01 22:15:33] [INFO ] Parsing pnml file : /home/mcc/execution/model.pnml
[2025-06-01 22:15:33] [INFO ] Load time of PNML (sax parser for PT used): 84 ms
[2025-06-01 22:15:33] [INFO ] Transformed 361 places.
[2025-06-01 22:15:33] [INFO ] Transformed 428 transitions.
[2025-06-01 22:15:33] [INFO ] Found NUPN structural information;
[2025-06-01 22:15:33] [INFO ] Parsed PT model containing 361 places and 428 transitions and 1697 arcs in 174 ms.
Parsed 16 properties from file /home/mcc/execution/ReachabilityFireability.xml in 12 ms.
Working with output stream class java.io.PrintStream
RANDOM walk for 40000 steps (8 resets) in 1656 ms. (24 steps per ms) remains 1/16 properties
FORMULA NoC3x3-PT-2A-ReachabilityFireability-2025-15 TRUE TECHNIQUES TOPOLOGICAL RANDOM_WALK
FORMULA NoC3x3-PT-2A-ReachabilityFireability-2025-14 FALSE TECHNIQUES TOPOLOGICAL RANDOM_WALK
FORMULA NoC3x3-PT-2A-ReachabilityFireability-2025-13 TRUE TECHNIQUES TOPOLOGICAL RANDOM_WALK
FORMULA NoC3x3-PT-2A-ReachabilityFireability-2025-12 TRUE TECHNIQUES TOPOLOGICAL RANDOM_WALK
FORMULA NoC3x3-PT-2A-ReachabilityFireability-2025-11 TRUE TECHNIQUES TOPOLOGICAL RANDOM_WALK
FORMULA NoC3x3-PT-2A-ReachabilityFireability-2025-10 TRUE TECHNIQUES TOPOLOGICAL RANDOM_WALK
FORMULA NoC3x3-PT-2A-ReachabilityFireability-2025-09 FALSE TECHNIQUES TOPOLOGICAL RANDOM_WALK
FORMULA NoC3x3-PT-2A-ReachabilityFireability-2025-08 TRUE TECHNIQUES TOPOLOGICAL RANDOM_WALK
FORMULA NoC3x3-PT-2A-ReachabilityFireability-2025-07 TRUE TECHNIQUES TOPOLOGICAL RANDOM_WALK
FORMULA NoC3x3-PT-2A-ReachabilityFireability-2025-05 TRUE TECHNIQUES TOPOLOGICAL RANDOM_WALK
FORMULA NoC3x3-PT-2A-ReachabilityFireability-2025-04 TRUE TECHNIQUES TOPOLOGICAL RANDOM_WALK
FORMULA NoC3x3-PT-2A-ReachabilityFireability-2025-03 FALSE TECHNIQUES TOPOLOGICAL RANDOM_WALK
FORMULA NoC3x3-PT-2A-ReachabilityFireability-2025-02 TRUE TECHNIQUES TOPOLOGICAL RANDOM_WALK
FORMULA NoC3x3-PT-2A-ReachabilityFireability-2025-01 FALSE TECHNIQUES TOPOLOGICAL RANDOM_WALK
FORMULA NoC3x3-PT-2A-ReachabilityFireability-2025-00 FALSE TECHNIQUES TOPOLOGICAL RANDOM_WALK
[2025-06-01 22:15:34] [INFO ] Flatten gal took : 150 ms
[2025-06-01 22:15:34] [INFO ] Flatten gal took : 77 ms
BEST_FIRST walk for 40004 steps (8 resets) in 572 ms. (69 steps per ms) remains 1/1 properties
[2025-06-01 22:15:34] [INFO ] Time to serialize gal into /tmp/ReachabilityCardinality17754910542943705913.gal : 36 ms
[2025-06-01 22:15:34] [INFO ] Flow matrix only has 377 transitions (discarded 51 similar events)
[2025-06-01 22:15:34] [INFO ] Time to serialize properties into /tmp/ReachabilityCardinality15773208690087465470.prop : 5 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/ReachabilityCardinality17754910542943705913.gal' '-t' 'CGAL' '-reachable-file' '/tmp/ReachabilityCardinality15773208690087465470.prop' '--nowitness' '--gen-order' 'FOLLOW'
// Phase 1: matrix 377 rows 361 cols

its-reach command run as :

/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202505121319/bin/its-reach-linux64 --gc-threshold 2000000 --quiet ...330
[2025-06-01 22:15:34] [INFO ] Computed 127 invariants in 27 ms
[2025-06-01 22:15:34] [INFO ] State equation strengthened by 16 read => feed constraints.
Excessive predecessor constraint size, skipping predecessor.
Loading property file /tmp/ReachabilityCardinality15773208690087465470.prop.
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
SDD proceeding with computation,1 properties remain. new max is 4
SDD size :2 after 8
SDD proceeding with computation,1 properties remain. new max is 8
SDD size :8 after 9
SDD proceeding with computation,1 properties remain. new max is 16
SDD size :9 after 57
SDD proceeding with computation,1 properties remain. new max is 32
SDD size :57 after 563
SDD proceeding with computation,1 properties remain. new max is 64
SDD size :563 after 2301
SDD proceeding with computation,1 properties remain. new max is 128
SDD size :2301 after 7105
All remaining problems are real, not stopping.
At refinement iteration 0 (INCLUDED_ONLY) 0/54 variables, 54/54 constraints. Problems are: Problem set: 0 solved, 1 unsolved
SDD proceeding with computation,1 properties remain. new max is 256
SDD size :7105 after 1.44026e+06
At refinement iteration 1 (INCLUDED_ONLY) 0/54 variables, 0/54 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (OVERLAPS) 134/188 variables, 45/99 constraints. Problems are: Problem set: 0 solved, 1 unsolved
SDD proceeding with computation,1 properties remain. new max is 512
SDD size :1.44026e+06 after 5.48118e+07
At refinement iteration 3 (INCLUDED_ONLY) 0/188 variables, 134/233 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/188 variables, 3/236 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/188 variables, 0/236 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (OVERLAPS) 76/264 variables, 31/267 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/264 variables, 76/343 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/264 variables, 0/343 constraints. Problems are: Problem set: 0 solved, 1 unsolved
SDD proceeding with computation,1 properties remain. new max is 1024
SDD size :5.48118e+07 after 1.1334e+09
At refinement iteration 9 (OVERLAPS) 97/361 variables, 48/391 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/361 variables, 97/488 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/361 variables, 0/488 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 12 (OVERLAPS) 376/737 variables, 361/849 constraints. Problems are: Problem set: 0 solved, 1 unsolved
SDD proceeding with computation,1 properties remain. new max is 2048
SDD size :1.1334e+09 after 9.95961e+11
At refinement iteration 13 (INCLUDED_ONLY) 0/737 variables, 15/864 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 14 (INCLUDED_ONLY) 0/737 variables, 0/864 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 15 (OVERLAPS) 1/738 variables, 1/865 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 16 (INCLUDED_ONLY) 0/738 variables, 0/865 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 17 (OVERLAPS) 0/738 variables, 0/865 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Real declared 738/738 variables, and 865 constraints, problems are : Problem set: 0 solved, 1 unsolved in 490 ms.
Refiners :[Domain max(s): 361/361 constraints, Positive P Invariants (semi-flows): 76/76 constraints, Generalized P Invariants (flows): 51/51 constraints, State Equation: 361/361 constraints, ReadFeed: 16/16 constraints, PredecessorRefiner: 1/0 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 1 unsolved
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/54 variables, 54/54 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/54 variables, 0/54 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (OVERLAPS) 134/188 variables, 45/99 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/188 variables, 134/233 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/188 variables, 3/236 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/188 variables, 0/236 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (OVERLAPS) 76/264 variables, 31/267 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/264 variables, 76/343 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/264 variables, 0/343 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (OVERLAPS) 97/361 variables, 48/391 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/361 variables, 97/488 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/361 variables, 0/488 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 12 (OVERLAPS) 376/737 variables, 361/849 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 13 (INCLUDED_ONLY) 0/737 variables, 15/864 constraints. Problems are: Problem set: 0 solved, 1 unsolved
SDD proceeding with computation,1 properties remain. new max is 4096
SDD size :9.95961e+11 after 1.23961e+13
At refinement iteration 14 (INCLUDED_ONLY) 0/737 variables, 0/864 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 15 (OVERLAPS) 1/738 variables, 1/865 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 16 (INCLUDED_ONLY) 0/738 variables, 0/865 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 17 (OVERLAPS) 0/738 variables, 0/865 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Int declared 738/738 variables, and 865 constraints, problems are : Problem set: 0 solved, 1 unsolved in 441 ms.
Refiners :[Domain max(s): 361/361 constraints, Positive P Invariants (semi-flows): 76/76 constraints, Generalized P Invariants (flows): 51/51 constraints, State Equation: 361/361 constraints, ReadFeed: 16/16 constraints, PredecessorRefiner: 1/0 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 1030ms problems are : Problem set: 0 solved, 1 unsolved
Parikh walk visited 0 properties in 50 ms.
Support contains 54 out of 361 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 361/361 places, 428/428 transitions.
Ensure Unique test removed 23 places
Drop transitions (Empty/Sink Transition effects.) removed 9 transitions
Reduce isomorphic transitions removed 9 transitions.
Drop transitions (Trivial Post-Agglo cleanup.) removed 9 transitions
Trivial Post-agglo rules discarded 9 transitions
Performed 9 trivial Post agglomeration. Transition count delta: 9
Iterating post reduction 0 with 41 rules applied. Total rules applied 41 place count 338 transition count 410
Reduce places removed 9 places and 0 transitions.
Performed 7 Post agglomeration using F-continuation condition.Transition count delta: 7
Iterating post reduction 1 with 16 rules applied. Total rules applied 57 place count 329 transition count 403
Reduce places removed 7 places and 0 transitions.
Iterating post reduction 2 with 7 rules applied. Total rules applied 64 place count 322 transition count 403
Discarding 93 places :
Symmetric choice reduction at 3 with 93 rule applications. Total rules 157 place count 229 transition count 291
Ensure Unique test removed 32 places
Iterating global reduction 3 with 125 rules applied. Total rules applied 282 place count 197 transition count 291
Ensure Unique test removed 59 transitions
Reduce isomorphic transitions removed 59 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 3 with 66 rules applied. Total rules applied 348 place count 197 transition count 225
Reduce places removed 7 places and 0 transitions.
Performed 14 Post agglomeration using F-continuation condition.Transition count delta: 14
Iterating post reduction 4 with 21 rules applied. Total rules applied 369 place count 190 transition count 211
Reduce places removed 14 places and 0 transitions.
Iterating post reduction 5 with 14 rules applied. Total rules applied 383 place count 176 transition count 211
Drop transitions (Redundant composition of simpler transitions.) removed 20 transitions
Redundant transition composition rules discarded 20 transitions
Iterating global reduction 6 with 20 rules applied. Total rules applied 403 place count 176 transition count 191
Reduce places removed 4 places and 0 transitions.
Iterating post reduction 6 with 4 rules applied. Total rules applied 407 place count 172 transition count 191
Free-agglomeration rule (complex) applied 2 times.
Iterating global reduction 7 with 2 rules applied. Total rules applied 409 place count 172 transition count 189
Reduce places removed 2 places and 0 transitions.
Iterating post reduction 7 with 2 rules applied. Total rules applied 411 place count 170 transition count 189
Partial Free-agglomeration rule applied 13 times.
Drop transitions (Partial Free agglomeration) removed 13 transitions
Iterating global reduction 8 with 13 rules applied. Total rules applied 424 place count 170 transition count 189
Applied a total of 424 rules in 87 ms. Remains 170 /361 variables (removed 191) and now considering 189/428 (removed 239) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 94 ms. Remains : 170/361 places, 189/428 transitions.
RANDOM walk for 40000 steps (8 resets) in 360 ms. (110 steps per ms) remains 1/1 properties
BEST_FIRST walk for 40004 steps (8 resets) in 209 ms. (190 steps per ms) remains 1/1 properties
SDD proceeding with computation,1 properties remain. new max is 8192
SDD size :1.23961e+13 after 2.07888e+16
Interrupted probabilistic random walk after 1199099 steps, run timeout after 3001 ms. (steps per millisecond=399 ) properties seen :0 out of 1
Probabilistic random walk after 1199099 steps, saw 971723 distinct states, run finished after 3006 ms. (steps per millisecond=398 ) properties seen :0
[2025-06-01 22:15:38] [INFO ] Flow matrix only has 185 transitions (discarded 4 similar events)
// Phase 1: matrix 185 rows 170 cols
[2025-06-01 22:15:38] [INFO ] Computed 68 invariants in 6 ms
[2025-06-01 22:15:38] [INFO ] State equation strengthened by 35 read => feed constraints.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
All remaining problems are real, not stopping.
At refinement iteration 0 (INCLUDED_ONLY) 0/54 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 1 (OVERLAPS) 66/120 variables, 41/41 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/120 variables, 0/41 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (OVERLAPS) 40/160 variables, 22/63 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/160 variables, 0/63 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (OVERLAPS) 10/170 variables, 5/68 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/170 variables, 0/68 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (OVERLAPS) 185/355 variables, 170/238 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/355 variables, 35/273 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/355 variables, 0/273 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (OVERLAPS) 0/355 variables, 0/273 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Real declared 355/355 variables, and 273 constraints, problems are : Problem set: 0 solved, 1 unsolved in 131 ms.
Refiners :[Positive P Invariants (semi-flows): 63/63 constraints, Generalized P Invariants (flows): 5/5 constraints, State Equation: 170/170 constraints, ReadFeed: 35/35 constraints, PredecessorRefiner: 1/0 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 1 unsolved
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/54 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 1 (OVERLAPS) 66/120 variables, 41/41 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/120 variables, 0/41 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (OVERLAPS) 40/160 variables, 22/63 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/160 variables, 0/63 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (OVERLAPS) 10/170 variables, 5/68 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/170 variables, 0/68 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (OVERLAPS) 185/355 variables, 170/238 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/355 variables, 35/273 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/355 variables, 0/273 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (OVERLAPS) 0/355 variables, 0/273 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Int declared 355/355 variables, and 273 constraints, problems are : Problem set: 0 solved, 1 unsolved in 164 ms.
Refiners :[Positive P Invariants (semi-flows): 63/63 constraints, Generalized P Invariants (flows): 5/5 constraints, State Equation: 170/170 constraints, ReadFeed: 35/35 constraints, PredecessorRefiner: 1/0 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 318ms problems are : Problem set: 0 solved, 1 unsolved
Parikh walk visited 0 properties in 44 ms.
Support contains 54 out of 170 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 170/170 places, 189/189 transitions.
Applied a total of 0 rules in 8 ms. Remains 170 /170 variables (removed 0) and now considering 189/189 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 8 ms. Remains : 170/170 places, 189/189 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 170/170 places, 189/189 transitions.
Applied a total of 0 rules in 6 ms. Remains 170 /170 variables (removed 0) and now considering 189/189 (removed 0) transitions.
[2025-06-01 22:15:39] [INFO ] Flow matrix only has 185 transitions (discarded 4 similar events)
[2025-06-01 22:15:39] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-01 22:15:39] [INFO ] Implicit Places using invariants in 97 ms returned [7, 14, 33, 40, 68, 96, 124, 169]
Discarding 8 places :
Implicit Place search using SMT only with invariants took 106 ms to find 8 implicit places.
Starting structural reductions in REACHABILITY mode, iteration 1 : 162/170 places, 189/189 transitions.
Partial Free-agglomeration rule applied 2 times.
Drop transitions (Partial Free agglomeration) removed 2 transitions
Iterating global reduction 0 with 2 rules applied. Total rules applied 2 place count 162 transition count 189
Applied a total of 2 rules in 10 ms. Remains 162 /162 variables (removed 0) and now considering 189/189 (removed 0) transitions.
[2025-06-01 22:15:39] [INFO ] Flow matrix only has 185 transitions (discarded 4 similar events)
// Phase 1: matrix 185 rows 162 cols
[2025-06-01 22:15:39] [INFO ] Computed 60 invariants in 2 ms
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-01 22:15:39] [INFO ] Implicit Places using invariants in 88 ms returned []
[2025-06-01 22:15:39] [INFO ] Flow matrix only has 185 transitions (discarded 4 similar events)
[2025-06-01 22:15:39] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-01 22:15:39] [INFO ] State equation strengthened by 19 read => feed constraints.
[2025-06-01 22:15:39] [INFO ] Implicit Places using invariants and state equation in 146 ms returned []
Implicit Place search using SMT with State Equation took 236 ms to find 0 implicit places.
Starting structural reductions in REACHABILITY mode, iteration 2 : 162/170 places, 189/189 transitions.
Finished structural reductions in REACHABILITY mode , in 2 iterations and 359 ms. Remains : 162/170 places, 189/189 transitions.
RANDOM walk for 40000 steps (8 resets) in 362 ms. (110 steps per ms) remains 1/1 properties
BEST_FIRST walk for 40004 steps (8 resets) in 228 ms. (174 steps per ms) remains 1/1 properties
SDD proceeding with computation,1 properties remain. new max is 16384
SDD size :2.07888e+16 after 2.03267e+17
Interrupted probabilistic random walk after 1319623 steps, run timeout after 3008 ms. (steps per millisecond=438 ) properties seen :0 out of 1
Probabilistic random walk after 1319623 steps, saw 1055175 distinct states, run finished after 3009 ms. (steps per millisecond=438 ) properties seen :0
[2025-06-01 22:15:42] [INFO ] Flow matrix only has 185 transitions (discarded 4 similar events)
[2025-06-01 22:15:42] [INFO ] Invariant cache hit.
[2025-06-01 22:15:42] [INFO ] State equation strengthened by 19 read => feed constraints.
Starting Z3 with timeout 75.0 s and query timeout 7500.0 ms
All remaining problems are real, not stopping.
At refinement iteration 0 (INCLUDED_ONLY) 0/54 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 1 (OVERLAPS) 66/120 variables, 41/41 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/120 variables, 0/41 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (OVERLAPS) 32/152 variables, 14/55 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/152 variables, 0/55 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (OVERLAPS) 10/162 variables, 5/60 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/162 variables, 0/60 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (OVERLAPS) 185/347 variables, 162/222 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/347 variables, 19/241 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/347 variables, 0/241 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (OVERLAPS) 0/347 variables, 0/241 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Real declared 347/347 variables, and 241 constraints, problems are : Problem set: 0 solved, 1 unsolved in 142 ms.
Refiners :[Positive P Invariants (semi-flows): 55/55 constraints, Generalized P Invariants (flows): 5/5 constraints, State Equation: 162/162 constraints, ReadFeed: 19/19 constraints, PredecessorRefiner: 1/0 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 1 unsolved
Starting Z3 with timeout 75.0 s and query timeout 7500.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/54 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 1 (OVERLAPS) 66/120 variables, 41/41 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/120 variables, 0/41 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (OVERLAPS) 32/152 variables, 14/55 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/152 variables, 0/55 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (OVERLAPS) 10/162 variables, 5/60 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/162 variables, 0/60 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (OVERLAPS) 185/347 variables, 162/222 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/347 variables, 19/241 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/347 variables, 0/241 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (OVERLAPS) 0/347 variables, 0/241 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Int declared 347/347 variables, and 241 constraints, problems are : Problem set: 0 solved, 1 unsolved in 184 ms.
Refiners :[Positive P Invariants (semi-flows): 55/55 constraints, Generalized P Invariants (flows): 5/5 constraints, State Equation: 162/162 constraints, ReadFeed: 19/19 constraints, PredecessorRefiner: 1/0 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 353ms problems are : Problem set: 0 solved, 1 unsolved
Finished Parikh walk after 3835 steps, including 99 resets, run visited all 1 properties in 15 ms. (steps per millisecond=255 )
FORMULA NoC3x3-PT-2A-ReachabilityFireability-2025-06 TRUE TECHNIQUES PARIKH_WALK
Parikh walk visited 1 properties in 20 ms.
ITS runner timed out or was interrupted.
ITS tools runner thread asked to quit. Dying gracefully.
All properties solved without resorting to model-checking.
Total runtime 9638 ms.

BK_STOP 1748816143037

--------------------
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
+ [[ ReachabilityFireability = StateSpace ]]
+ /home/mcc/BenchKit/bin//../itstools/bin//..//runeclipse.sh /home/mcc/execution ReachabilityFireability -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 ReachabilityFireability -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="NoC3x3-PT-2A"
export BK_EXAMINATION="ReachabilityFireability"
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 NoC3x3-PT-2A, examination is ReachabilityFireability"
echo " Time confinement is $BK_TIME_CONFINEMENT seconds"
echo " Memory confinement is 16384 MBytes"
echo " Number of cores is 4"
echo " Run identifier is r142-tall-174876812100175"
echo "====================================================================="
echo
echo "--------------------"
echo "preparation of the directory to be used:"

tar xzf /home/mcc/BenchKit/INPUTS/NoC3x3-PT-2A.tgz
mv NoC3x3-PT-2A execution
cd execution
if [ "ReachabilityFireability" = "ReachabilityDeadlock" ] || [ "ReachabilityFireability" = "UpperBounds" ] || [ "ReachabilityFireability" = "QuasiLiveness" ] || [ "ReachabilityFireability" = "StableMarking" ] || [ "ReachabilityFireability" = "Liveness" ] || [ "ReachabilityFireability" = "OneSafe" ] || [ "ReachabilityFireability" = "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 [ "ReachabilityFireability" = "UpperBounds" ] ; then
echo "The expected result is a vector of positive values"
echo NUM_VECTOR
elif [ "ReachabilityFireability" != "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 "ReachabilityFireability.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 '' ReachabilityFireability.xml | cut -d '>' -f 2 | cut -d '<' -f 1 | sort -u) ; do
echo "FORMULA_NAME $x"
done
elif [ "ReachabilityFireability" = "ReachabilityDeadlock" ] || [ "ReachabilityFireability" = "QuasiLiveness" ] || [ "ReachabilityFireability" = "StableMarking" ] || [ "ReachabilityFireability" = "Liveness" ] || [ "ReachabilityFireability" = "OneSafe" ] ; then
echo "FORMULA_NAME ReachabilityFireability"
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 ;