Execution Chart

Sorry, for this execution, no execution chart could be reported.

Trace from the execution

Formatting '/data/fkordon/mcc2025-input.r142-tall-174876812100167.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-1B, examination is ReachabilityFireability
Time confinement is 3600 seconds
Memory confinement is 16384 MBytes
Number of cores is 4
Run identifier is r142-tall-174876812100167
=====================================================================

--------------------
preparation of the directory to be used:
/home/mcc/execution
total 812K
-rw-r--r-- 1 mcc users 7.5K May 29 14:47 CTLCardinality.txt
-rw-r--r-- 1 mcc users 81K May 29 14:47 CTLCardinality.xml
-rw-r--r-- 1 mcc users 5.6K May 29 14:47 CTLFireability.txt
-rw-r--r-- 1 mcc users 51K 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 3.7K May 29 14:47 LTLCardinality.txt
-rw-r--r-- 1 mcc users 28K 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 17K May 29 14:47 LTLFireability.xml
-rw-r--r-- 1 mcc users 7.5K May 29 14:47 ReachabilityCardinality.txt
-rw-r--r-- 1 mcc users 70K May 29 14:47 ReachabilityCardinality.xml
-rw-r--r-- 1 mcc users 12K May 29 14:47 ReachabilityFireability.txt
-rw-r--r-- 1 mcc users 109K May 29 14:47 ReachabilityFireability.xml
-rw-r--r-- 1 mcc users 1.6K 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 362K 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-1B-ReachabilityFireability-2025-00
FORMULA_NAME NoC3x3-PT-1B-ReachabilityFireability-2025-01
FORMULA_NAME NoC3x3-PT-1B-ReachabilityFireability-2025-02
FORMULA_NAME NoC3x3-PT-1B-ReachabilityFireability-2025-03
FORMULA_NAME NoC3x3-PT-1B-ReachabilityFireability-2025-04
FORMULA_NAME NoC3x3-PT-1B-ReachabilityFireability-2025-05
FORMULA_NAME NoC3x3-PT-1B-ReachabilityFireability-2025-06
FORMULA_NAME NoC3x3-PT-1B-ReachabilityFireability-2025-07
FORMULA_NAME NoC3x3-PT-1B-ReachabilityFireability-2025-08
FORMULA_NAME NoC3x3-PT-1B-ReachabilityFireability-2025-09
FORMULA_NAME NoC3x3-PT-1B-ReachabilityFireability-2025-10
FORMULA_NAME NoC3x3-PT-1B-ReachabilityFireability-2025-11
FORMULA_NAME NoC3x3-PT-1B-ReachabilityFireability-2025-12
FORMULA_NAME NoC3x3-PT-1B-ReachabilityFireability-2025-13
FORMULA_NAME NoC3x3-PT-1B-ReachabilityFireability-2025-14
FORMULA_NAME NoC3x3-PT-1B-ReachabilityFireability-2025-15

=== Now, execution of the tool begins

BK_START 1748814734227

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-1B
BK_MEMORY_CONFINEMENT=16384
Not applying reductions.
Model is PT
ReachabilityFireability PT
Running Version 202505121319
[2025-06-01 21:52:15] [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 21:52:15] [INFO ] Parsing pnml file : /home/mcc/execution/model.pnml
[2025-06-01 21:52:15] [INFO ] Load time of PNML (sax parser for PT used): 131 ms
[2025-06-01 21:52:15] [INFO ] Transformed 1416 places.
[2025-06-01 21:52:15] [INFO ] Transformed 1640 transitions.
[2025-06-01 21:52:15] [INFO ] Found NUPN structural information;
[2025-06-01 21:52:15] [INFO ] Parsed PT model containing 1416 places and 1640 transitions and 3639 arcs in 237 ms.
Parsed 16 properties from file /home/mcc/execution/ReachabilityFireability.xml in 17 ms.
Working with output stream class java.io.PrintStream
RANDOM walk for 40000 steps (30 resets) in 1595 ms. (25 steps per ms) remains 5/16 properties
FORMULA NoC3x3-PT-1B-ReachabilityFireability-2025-13 TRUE TECHNIQUES TOPOLOGICAL RANDOM_WALK
FORMULA NoC3x3-PT-1B-ReachabilityFireability-2025-12 FALSE TECHNIQUES TOPOLOGICAL RANDOM_WALK
FORMULA NoC3x3-PT-1B-ReachabilityFireability-2025-11 TRUE TECHNIQUES TOPOLOGICAL RANDOM_WALK
FORMULA NoC3x3-PT-1B-ReachabilityFireability-2025-10 TRUE TECHNIQUES TOPOLOGICAL RANDOM_WALK
FORMULA NoC3x3-PT-1B-ReachabilityFireability-2025-09 FALSE TECHNIQUES TOPOLOGICAL RANDOM_WALK
FORMULA NoC3x3-PT-1B-ReachabilityFireability-2025-06 TRUE TECHNIQUES TOPOLOGICAL RANDOM_WALK
FORMULA NoC3x3-PT-1B-ReachabilityFireability-2025-04 FALSE TECHNIQUES TOPOLOGICAL RANDOM_WALK
FORMULA NoC3x3-PT-1B-ReachabilityFireability-2025-03 TRUE TECHNIQUES TOPOLOGICAL RANDOM_WALK
FORMULA NoC3x3-PT-1B-ReachabilityFireability-2025-02 TRUE TECHNIQUES TOPOLOGICAL RANDOM_WALK
FORMULA NoC3x3-PT-1B-ReachabilityFireability-2025-01 TRUE TECHNIQUES TOPOLOGICAL RANDOM_WALK
FORMULA NoC3x3-PT-1B-ReachabilityFireability-2025-00 TRUE TECHNIQUES TOPOLOGICAL RANDOM_WALK
[2025-06-01 21:52:16] [INFO ] Flatten gal took : 161 ms
[2025-06-01 21:52:16] [INFO ] Flatten gal took : 98 ms
[2025-06-01 21:52:16] [INFO ] Time to serialize gal into /tmp/ReachabilityCardinality16226980840453299359.gal : 69 ms
[2025-06-01 21:52:16] [INFO ] Time to serialize properties into /tmp/ReachabilityCardinality4313176897168903627.prop : 2 ms
BEST_FIRST walk for 40004 steps (8 resets) in 880 ms. (45 steps per ms) remains 4/5 properties
FORMULA NoC3x3-PT-1B-ReachabilityFireability-2025-05 FALSE TECHNIQUES TOPOLOGICAL BESTFIRST_WALK
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/ReachabilityCardinality16226980840453299359.gal' '-t' 'CGAL' '-reachable-file' '/tmp/ReachabilityCardinality4313176897168903627.prop' '--nowitness' '--gen-order' 'FOLLOW'
BEST_FIRST walk for 40004 steps (8 resets) in 134 ms. (296 steps per ms) remains 4/4 properties

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
BEST_FIRST walk for 40003 steps (8 resets) in 381 ms. (104 steps per ms) remains 3/4 properties
FORMULA NoC3x3-PT-1B-ReachabilityFireability-2025-08 TRUE TECHNIQUES TOPOLOGICAL BESTFIRST_WALK
Loading property file /tmp/ReachabilityCardinality4313176897168903627.prop.
BEST_FIRST walk for 40004 steps (8 resets) in 201 ms. (198 steps per ms) remains 3/3 properties
BEST_FIRST walk for 40004 steps (8 resets) in 191 ms. (208 steps per ms) remains 3/3 properties
// Phase 1: matrix 1640 rows 1416 cols
[2025-06-01 21:52:16] [INFO ] Computed 40 invariants in 23 ms
Excessive predecessor constraint size, skipping predecessor.
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
All remaining problems are real, not stopping.
At refinement iteration 0 (INCLUDED_ONLY) 0/79 variables, 79/79 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/79 variables, 0/79 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 2 (OVERLAPS) 1252/1331 variables, 35/114 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/1331 variables, 1252/1366 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/1331 variables, 0/1366 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 5 (OVERLAPS) 85/1416 variables, 5/1371 constraints. Problems are: Problem set: 0 solved, 3 unsolved
SDD proceeding with computation,5 properties remain. new max is 4
SDD size :1 after 5
SDD proceeding with computation,5 properties remain. new max is 8
SDD size :5 after 6
SDD proceeding with computation,5 properties remain. new max is 16
SDD size :6 after 21
SDD proceeding with computation,5 properties remain. new max is 32
SDD size :21 after 26
SDD proceeding with computation,5 properties remain. new max is 64
SDD size :26 after 72
SDD proceeding with computation,5 properties remain. new max is 128
SDD size :72 after 374
At refinement iteration 6 (INCLUDED_ONLY) 0/1416 variables, 85/1456 constraints. Problems are: Problem set: 0 solved, 3 unsolved
SDD proceeding with computation,5 properties remain. new max is 256
SDD size :374 after 414
SDD proceeding with computation,5 properties remain. new max is 512
SDD size :414 after 581
SDD proceeding with computation,5 properties remain. new max is 1024
SDD size :581 after 1765
SDD proceeding with computation,5 properties remain. new max is 2048
SDD size :1765 after 5474
At refinement iteration 7 (INCLUDED_ONLY) 0/1416 variables, 0/1456 constraints. Problems are: Problem set: 0 solved, 3 unsolved
SDD proceeding with computation,5 properties remain. new max is 4096
SDD size :5474 after 25310
At refinement iteration 8 (OVERLAPS) 1640/3056 variables, 1416/2872 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/3056 variables, 0/2872 constraints. Problems are: Problem set: 0 solved, 3 unsolved
SDD proceeding with computation,5 properties remain. new max is 8192
SDD size :25310 after 215863
At refinement iteration 10 (OVERLAPS) 0/3056 variables, 0/2872 constraints. Problems are: Problem set: 0 solved, 3 unsolved
No progress, stopping.
After SMT solving in domain Real declared 3056/3056 variables, and 2872 constraints, problems are : Problem set: 0 solved, 3 unsolved in 2157 ms.
Refiners :[Domain max(s): 1416/1416 constraints, Positive P Invariants (semi-flows): 40/40 constraints, State Equation: 1416/1416 constraints, PredecessorRefiner: 3/2 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 3 unsolved
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/79 variables, 79/79 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/79 variables, 0/79 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 2 (OVERLAPS) 1252/1331 variables, 35/114 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/1331 variables, 1252/1366 constraints. Problems are: Problem set: 0 solved, 3 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 21:52:19] [INFO ] Deduced a trap composed of 67 places in 213 ms of which 19 ms to minimize.
Reachability property NoC3x3-PT-1B-ReachabilityFireability-2025-08 is true.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 21:52:20] [INFO ] Deduced a trap composed of 97 places in 135 ms of which 5 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 21:52:20] [INFO ] Deduced a trap composed of 107 places in 336 ms of which 3 ms to minimize.
At refinement iteration 4 (INCLUDED_ONLY) 0/1331 variables, 3/1369 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/1331 variables, 0/1369 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 6 (OVERLAPS) 85/1416 variables, 5/1374 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/1416 variables, 85/1459 constraints. Problems are: Problem set: 0 solved, 3 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 21:52:21] [INFO ] Deduced a trap composed of 61 places in 101 ms of which 8 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 21:52:21] [INFO ] Deduced a trap composed of 61 places in 161 ms of which 13 ms to minimize.
At refinement iteration 8 (INCLUDED_ONLY) 0/1416 variables, 2/1461 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/1416 variables, 0/1461 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 10 (OVERLAPS) 1640/3056 variables, 1416/2877 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/3056 variables, 2/2879 constraints. Problems are: Problem set: 0 solved, 3 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 21:52:23] [INFO ] Deduced a trap composed of 147 places in 143 ms of which 4 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 21:52:23] [INFO ] Deduced a trap composed of 84 places in 89 ms of which 11 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 21:52:23] [INFO ] Deduced a trap composed of 86 places in 106 ms of which 12 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 21:52:23] [INFO ] Deduced a trap composed of 147 places in 147 ms of which 13 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 21:52:24] [INFO ] Deduced a trap composed of 102 places in 98 ms of which 11 ms to minimize.
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 3056/3056 variables, and 2884 constraints, problems are : Problem set: 0 solved, 3 unsolved in 5010 ms.
Refiners :[Domain max(s): 1416/1416 constraints, Positive P Invariants (semi-flows): 40/40 constraints, State Equation: 1416/1416 constraints, PredecessorRefiner: 3/2 constraints, Known Traps: 10/10 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 7282ms problems are : Problem set: 0 solved, 3 unsolved
Skipping Parikh replay, no witness traces provided.
Support contains 79 out of 1416 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 1416/1416 places, 1640/1640 transitions.
Graph (trivial) has 1267 edges and 1416 vertex of which 537 / 1416 are part of one of the 16 SCC in 12 ms
Free SCC test removed 521 places
Drop transitions (Empty/Sink Transition effects.) removed 616 transitions
Reduce isomorphic transitions removed 616 transitions.
Drop transitions (Trivial Post-Agglo cleanup.) removed 217 transitions
Trivial Post-agglo rules discarded 217 transitions
Performed 217 trivial Post agglomeration. Transition count delta: 217
Iterating post reduction 0 with 217 rules applied. Total rules applied 218 place count 895 transition count 807
Reduce places removed 217 places and 0 transitions.
Ensure Unique test removed 18 transitions
Reduce isomorphic transitions removed 18 transitions.
Drop transitions (Trivial Post-Agglo cleanup.) removed 4 transitions
Trivial Post-agglo rules discarded 4 transitions
Performed 4 trivial Post agglomeration. Transition count delta: 4
Iterating post reduction 1 with 239 rules applied. Total rules applied 457 place count 678 transition count 785
Reduce places removed 4 places and 0 transitions.
Performed 50 Post agglomeration using F-continuation condition.Transition count delta: 50
Iterating post reduction 2 with 54 rules applied. Total rules applied 511 place count 674 transition count 735
Reduce places removed 50 places and 0 transitions.
Ensure Unique test removed 17 transitions
Reduce isomorphic transitions removed 17 transitions.
Iterating post reduction 3 with 67 rules applied. Total rules applied 578 place count 624 transition count 718
Performed 4 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 4 with 4 Pre rules applied. Total rules applied 578 place count 624 transition count 714
Deduced a syphon composed of 4 places in 3 ms
Reduce places removed 4 places and 0 transitions.
Iterating global reduction 4 with 8 rules applied. Total rules applied 586 place count 620 transition count 714
Discarding 150 places :
Symmetric choice reduction at 4 with 150 rule applications. Total rules 736 place count 470 transition count 564
Iterating global reduction 4 with 150 rules applied. Total rules applied 886 place count 470 transition count 564
Ensure Unique test removed 4 transitions
Reduce isomorphic transitions removed 4 transitions.
Iterating post reduction 4 with 4 rules applied. Total rules applied 890 place count 470 transition count 560
Performed 20 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 5 with 20 Pre rules applied. Total rules applied 890 place count 470 transition count 540
Deduced a syphon composed of 20 places in 1 ms
Reduce places removed 20 places and 0 transitions.
Iterating global reduction 5 with 40 rules applied. Total rules applied 930 place count 450 transition count 540
Discarding 22 places :
Symmetric choice reduction at 5 with 22 rule applications. Total rules 952 place count 428 transition count 510
Iterating global reduction 5 with 22 rules applied. Total rules applied 974 place count 428 transition count 510
Performed 91 Post agglomeration using F-continuation condition.Transition count delta: 91
Deduced a syphon composed of 91 places in 5 ms
Reduce places removed 91 places and 0 transitions.
Iterating global reduction 5 with 182 rules applied. Total rules applied 1156 place count 337 transition count 419
Ensure Unique test removed 4 transitions
Reduce isomorphic transitions removed 4 transitions.
Iterating post reduction 5 with 4 rules applied. Total rules applied 1160 place count 337 transition count 415
Discarding 1 places :
Symmetric choice reduction at 6 with 1 rule applications. Total rules 1161 place count 336 transition count 413
Iterating global reduction 6 with 1 rules applied. Total rules applied 1162 place count 336 transition count 413
Performed 19 Post agglomeration using F-continuation condition with reduction of 4 identical transitions.
Deduced a syphon composed of 19 places in 0 ms
Reduce places removed 19 places and 0 transitions.
Iterating global reduction 6 with 38 rules applied. Total rules applied 1200 place count 317 transition count 528
Ensure Unique test removed 10 transitions
Reduce isomorphic transitions removed 10 transitions.
Iterating post reduction 6 with 10 rules applied. Total rules applied 1210 place count 317 transition count 518
Drop transitions (Redundant composition of simpler transitions.) removed 24 transitions
Redundant transition composition rules discarded 24 transitions
Iterating global reduction 7 with 24 rules applied. Total rules applied 1234 place count 317 transition count 494
Free-agglomeration rule applied 70 times.
Iterating global reduction 7 with 70 rules applied. Total rules applied 1304 place count 317 transition count 424
Reduce places removed 70 places and 0 transitions.
Drop transitions (Empty/Sink Transition effects.) removed 7 transitions
Reduce isomorphic transitions removed 7 transitions.
Iterating post reduction 7 with 77 rules applied. Total rules applied 1381 place count 247 transition count 417
Drop transitions (Redundant composition of simpler transitions.) removed 4 transitions
Redundant transition composition rules discarded 4 transitions
Iterating global reduction 8 with 4 rules applied. Total rules applied 1385 place count 247 transition count 413
Partial Free-agglomeration rule applied 3 times.
Drop transitions (Partial Free agglomeration) removed 3 transitions
Iterating global reduction 8 with 3 rules applied. Total rules applied 1388 place count 247 transition count 413
Drop transitions (Redundant composition of simpler transitions.) removed 1 transitions
Redundant transition composition rules discarded 1 transitions
Iterating global reduction 8 with 1 rules applied. Total rules applied 1389 place count 247 transition count 412
Applied a total of 1389 rules in 300 ms. Remains 247 /1416 variables (removed 1169) and now considering 412/1640 (removed 1228) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 306 ms. Remains : 247/1416 places, 412/1640 transitions.
RANDOM walk for 40000 steps (8 resets) in 500 ms. (79 steps per ms) remains 3/3 properties
BEST_FIRST walk for 40004 steps (8 resets) in 93 ms. (425 steps per ms) remains 2/3 properties
FORMULA NoC3x3-PT-1B-ReachabilityFireability-2025-07 FALSE TECHNIQUES TOPOLOGICAL BESTFIRST_WALK
BEST_FIRST walk for 40003 steps (8 resets) in 171 ms. (232 steps per ms) remains 2/2 properties
BEST_FIRST walk for 40003 steps (8 resets) in 231 ms. (172 steps per ms) remains 2/2 properties
[2025-06-01 21:52:24] [INFO ] Flow matrix only has 411 transitions (discarded 1 similar events)
// Phase 1: matrix 411 rows 247 cols
[2025-06-01 21:52:24] [INFO ] Computed 40 invariants in 3 ms
[2025-06-01 21:52:24] [INFO ] State equation strengthened by 76 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) 0/70 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 1 (OVERLAPS) 164/234 variables, 35/35 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/234 variables, 0/35 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 3 (OVERLAPS) 13/247 variables, 5/40 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/247 variables, 0/40 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 5 (OVERLAPS) 411/658 variables, 247/287 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/658 variables, 76/363 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/658 variables, 0/363 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 8 (OVERLAPS) 0/658 variables, 0/363 constraints. Problems are: Problem set: 0 solved, 2 unsolved
No progress, stopping.
After SMT solving in domain Real declared 658/658 variables, and 363 constraints, problems are : Problem set: 0 solved, 2 unsolved in 237 ms.
Refiners :[Positive P Invariants (semi-flows): 40/40 constraints, State Equation: 247/247 constraints, ReadFeed: 76/76 constraints, PredecessorRefiner: 2/1 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 2 unsolved
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/70 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 1 (OVERLAPS) 164/234 variables, 35/35 constraints. Problems are: Problem set: 0 solved, 2 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 21:52:25] [INFO ] Deduced a trap composed of 5 places in 23 ms of which 2 ms to minimize.
At refinement iteration 2 (INCLUDED_ONLY) 0/234 variables, 1/36 constraints. Problems are: Problem set: 0 solved, 2 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 21:52:25] [INFO ] Deduced a trap composed of 14 places in 39 ms of which 4 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 21:52:25] [INFO ] Deduced a trap composed of 15 places in 31 ms of which 2 ms to minimize.
At refinement iteration 3 (INCLUDED_ONLY) 0/234 variables, 2/38 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/234 variables, 0/38 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 5 (OVERLAPS) 13/247 variables, 5/43 constraints. Problems are: Problem set: 0 solved, 2 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 21:52:25] [INFO ] Deduced a trap composed of 12 places in 26 ms of which 2 ms to minimize.
At refinement iteration 6 (INCLUDED_ONLY) 0/247 variables, 1/44 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/247 variables, 0/44 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 8 (OVERLAPS) 411/658 variables, 247/291 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/658 variables, 76/367 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/658 variables, 1/368 constraints. Problems are: Problem set: 0 solved, 2 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 21:52:25] [INFO ] Deduced a trap composed of 15 places in 37 ms of which 4 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 21:52:25] [INFO ] Deduced a trap composed of 15 places in 35 ms of which 2 ms to minimize.
At refinement iteration 11 (INCLUDED_ONLY) 0/658 variables, 2/370 constraints. Problems are: Problem set: 0 solved, 2 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 21:52:25] [INFO ] Deduced a trap along path composed of 2 places in 21 ms of which 2 ms to minimize.
At refinement iteration 12 (INCLUDED_ONLY) 0/658 variables, 1/371 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 13 (INCLUDED_ONLY) 0/658 variables, 0/371 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 14 (OVERLAPS) 0/658 variables, 0/371 constraints. Problems are: Problem set: 0 solved, 2 unsolved
No progress, stopping.
After SMT solving in domain Int declared 658/658 variables, and 371 constraints, problems are : Problem set: 0 solved, 2 unsolved in 999 ms.
Refiners :[Positive P Invariants (semi-flows): 40/40 constraints, State Equation: 247/247 constraints, ReadFeed: 76/76 constraints, PredecessorRefiner: 2/1 constraints, Known Traps: 6/6 constraints, Known Traps Along Path: 1/1 constraints]
After SMT, in 1265ms problems are : Problem set: 0 solved, 2 unsolved
FORMULA NoC3x3-PT-1B-ReachabilityFireability-2025-15 FALSE TECHNIQUES PARIKH_WALK
Parikh walk visited 1 properties in 154 ms.
Support contains 25 out of 247 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 247/247 places, 412/412 transitions.
Graph (trivial) has 141 edges and 247 vertex of which 49 / 247 are part of one of the 15 SCC in 0 ms
Free SCC test removed 34 places
Drop transitions (Empty/Sink Transition effects.) removed 68 transitions
Ensure Unique test removed 14 transitions
Reduce isomorphic transitions removed 82 transitions.
Drop transitions (Trivial Post-Agglo cleanup.) removed 3 transitions
Trivial Post-agglo rules discarded 3 transitions
Performed 3 trivial Post agglomeration. Transition count delta: 3
Iterating post reduction 0 with 3 rules applied. Total rules applied 4 place count 213 transition count 327
Reduce places removed 3 places and 0 transitions.
Performed 1 Post agglomeration using F-continuation condition.Transition count delta: 1
Iterating post reduction 1 with 4 rules applied. Total rules applied 8 place count 210 transition count 326
Reduce places removed 1 places and 0 transitions.
Ensure Unique test removed 1 transitions
Reduce isomorphic transitions removed 1 transitions.
Iterating post reduction 2 with 2 rules applied. Total rules applied 10 place count 209 transition count 325
Performed 2 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 3 with 2 Pre rules applied. Total rules applied 10 place count 209 transition count 323
Deduced a syphon composed of 2 places in 0 ms
Reduce places removed 2 places and 0 transitions.
Iterating global reduction 3 with 4 rules applied. Total rules applied 14 place count 207 transition count 323
Discarding 2 places :
Symmetric choice reduction at 3 with 2 rule applications. Total rules 16 place count 205 transition count 321
Iterating global reduction 3 with 2 rules applied. Total rules applied 18 place count 205 transition count 321
Ensure Unique test removed 1 transitions
Reduce isomorphic transitions removed 1 transitions.
Iterating post reduction 3 with 1 rules applied. Total rules applied 19 place count 205 transition count 320
Performed 1 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 4 with 1 Pre rules applied. Total rules applied 19 place count 205 transition count 319
Deduced a syphon composed of 1 places in 0 ms
Reduce places removed 1 places and 0 transitions.
Iterating global reduction 4 with 2 rules applied. Total rules applied 21 place count 204 transition count 319
Discarding 1 places :
Symmetric choice reduction at 4 with 1 rule applications. Total rules 22 place count 203 transition count 317
Iterating global reduction 4 with 1 rules applied. Total rules applied 23 place count 203 transition count 317
Performed 13 Post agglomeration using F-continuation condition.Transition count delta: 13
Deduced a syphon composed of 13 places in 0 ms
Reduce places removed 13 places and 0 transitions.
Iterating global reduction 4 with 26 rules applied. Total rules applied 49 place count 190 transition count 304
Ensure Unique test removed 3 transitions
Reduce isomorphic transitions removed 3 transitions.
Iterating post reduction 4 with 3 rules applied. Total rules applied 52 place count 190 transition count 301
Discarding 1 places :
Symmetric choice reduction at 5 with 1 rule applications. Total rules 53 place count 189 transition count 300
Iterating global reduction 5 with 1 rules applied. Total rules applied 54 place count 189 transition count 300
Performed 6 Post agglomeration using F-continuation condition.Transition count delta: -34
Deduced a syphon composed of 6 places in 0 ms
Reduce places removed 6 places and 0 transitions.
Iterating global reduction 5 with 12 rules applied. Total rules applied 66 place count 183 transition count 334
Ensure Unique test removed 24 transitions
Reduce isomorphic transitions removed 24 transitions.
Iterating post reduction 5 with 24 rules applied. Total rules applied 90 place count 183 transition count 310
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 6 with 2 rules applied. Total rules applied 92 place count 182 transition count 327
Ensure Unique test removed 13 transitions
Reduce isomorphic transitions removed 13 transitions.
Iterating post reduction 6 with 13 rules applied. Total rules applied 105 place count 182 transition count 314
Drop transitions (Redundant composition of simpler transitions.) removed 53 transitions
Redundant transition composition rules discarded 53 transitions
Iterating global reduction 7 with 53 rules applied. Total rules applied 158 place count 182 transition count 261
Free-agglomeration rule applied 25 times.
Iterating global reduction 7 with 25 rules applied. Total rules applied 183 place count 182 transition count 236
Reduce places removed 25 places and 0 transitions.
Drop transitions (Empty/Sink Transition effects.) removed 7 transitions
Reduce isomorphic transitions removed 7 transitions.
Graph (complete) has 454 edges and 157 vertex of which 144 are kept as prefixes of interest. Removing 13 places using SCC suffix rule.1 ms
Discarding 13 places :
Also discarding 0 output transitions
Iterating post reduction 7 with 33 rules applied. Total rules applied 216 place count 144 transition count 229
Drop transitions (Empty/Sink Transition effects.) removed 14 transitions
Reduce isomorphic transitions removed 14 transitions.
Iterating post reduction 8 with 14 rules applied. Total rules applied 230 place count 144 transition count 215
Partial Free-agglomeration rule applied 2 times.
Drop transitions (Partial Free agglomeration) removed 2 transitions
Iterating global reduction 9 with 2 rules applied. Total rules applied 232 place count 144 transition count 215
Applied a total of 232 rules in 77 ms. Remains 144 /247 variables (removed 103) and now considering 215/412 (removed 197) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 77 ms. Remains : 144/247 places, 215/412 transitions.
RANDOM walk for 40000 steps (8 resets) in 126 ms. (314 steps per ms) remains 1/1 properties
BEST_FIRST walk for 40004 steps (8 resets) in 124 ms. (320 steps per ms) remains 1/1 properties
Interrupted probabilistic random walk after 1667233 steps, run timeout after 3001 ms. (steps per millisecond=555 ) properties seen :0 out of 1
Probabilistic random walk after 1667233 steps, saw 657526 distinct states, run finished after 3007 ms. (steps per millisecond=554 ) properties seen :0
[2025-06-01 21:52:29] [INFO ] Flow matrix only has 214 transitions (discarded 1 similar events)
// Phase 1: matrix 214 rows 144 cols
[2025-06-01 21:52:29] [INFO ] Computed 35 invariants in 4 ms
[2025-06-01 21:52:29] [INFO ] State equation strengthened by 69 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) 0/25 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 1 (OVERLAPS) 103/128 variables, 30/30 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/128 variables, 0/30 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (OVERLAPS) 16/144 variables, 5/35 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/144 variables, 0/35 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (OVERLAPS) 214/358 variables, 144/179 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/358 variables, 69/248 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/358 variables, 0/248 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (OVERLAPS) 0/358 variables, 0/248 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Real declared 358/358 variables, and 248 constraints, problems are : Problem set: 0 solved, 1 unsolved in 124 ms.
Refiners :[Positive P Invariants (semi-flows): 35/35 constraints, State Equation: 144/144 constraints, ReadFeed: 69/69 constraints, PredecessorRefiner: 1/1 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) 0/25 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 1 (OVERLAPS) 103/128 variables, 30/30 constraints. Problems are: Problem set: 0 solved, 1 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 21:52:29] [INFO ] Deduced a trap composed of 4 places in 31 ms of which 2 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 21:52:29] [INFO ] Deduced a trap composed of 10 places in 25 ms of which 2 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 21:52:29] [INFO ] Deduced a trap composed of 14 places in 28 ms of which 2 ms to minimize.
At refinement iteration 2 (INCLUDED_ONLY) 0/128 variables, 3/33 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/128 variables, 0/33 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (OVERLAPS) 16/144 variables, 5/38 constraints. Problems are: Problem set: 0 solved, 1 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 21:52:29] [INFO ] Deduced a trap composed of 13 places in 35 ms of which 3 ms to minimize.
At refinement iteration 5 (INCLUDED_ONLY) 0/144 variables, 1/39 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/144 variables, 0/39 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (OVERLAPS) 214/358 variables, 144/183 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/358 variables, 69/252 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/358 variables, 1/253 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/358 variables, 0/253 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 11 (OVERLAPS) 0/358 variables, 0/253 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Int declared 358/358 variables, and 253 constraints, problems are : Problem set: 0 solved, 1 unsolved in 416 ms.
Refiners :[Positive P Invariants (semi-flows): 35/35 constraints, State Equation: 144/144 constraints, ReadFeed: 69/69 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 4/4 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 558ms problems are : Problem set: 0 solved, 1 unsolved
Parikh walk visited 0 properties in 20 ms.
Support contains 25 out of 144 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 144/144 places, 215/215 transitions.
Applied a total of 0 rules in 5 ms. Remains 144 /144 variables (removed 0) and now considering 215/215 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 5 ms. Remains : 144/144 places, 215/215 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 144/144 places, 215/215 transitions.
Applied a total of 0 rules in 5 ms. Remains 144 /144 variables (removed 0) and now considering 215/215 (removed 0) transitions.
[2025-06-01 21:52:29] [INFO ] Flow matrix only has 214 transitions (discarded 1 similar events)
[2025-06-01 21:52:29] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-01 21:52:30] [INFO ] Implicit Places using invariants in 83 ms returned [24, 34, 35, 55, 61, 87, 116, 137]
Discarding 8 places :
Implicit Place search using SMT only with invariants took 95 ms to find 8 implicit places.
Starting structural reductions in REACHABILITY mode, iteration 1 : 136/144 places, 215/215 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 0 with 7 rules applied. Total rules applied 7 place count 136 transition count 208
Reduce places removed 7 places and 0 transitions.
Performed 2 Post agglomeration using F-continuation condition.Transition count delta: 2
Iterating post reduction 1 with 9 rules applied. Total rules applied 16 place count 129 transition count 206
Reduce places removed 2 places and 0 transitions.
Ensure Unique test removed 2 transitions
Reduce isomorphic transitions removed 2 transitions.
Iterating post reduction 2 with 4 rules applied. Total rules applied 20 place count 127 transition count 204
Performed 2 Post agglomeration using F-continuation condition.Transition count delta: 2
Deduced a syphon composed of 2 places in 0 ms
Reduce places removed 2 places and 0 transitions.
Iterating global reduction 3 with 4 rules applied. Total rules applied 24 place count 125 transition count 202
Performed 1 Post agglomeration using F-continuation condition.Transition count delta: -1
Deduced a syphon composed of 1 places in 0 ms
Reduce places removed 1 places and 0 transitions.
Iterating global reduction 3 with 2 rules applied. Total rules applied 26 place count 124 transition count 203
Ensure Unique test removed 6 transitions
Reduce isomorphic transitions removed 6 transitions.
Iterating post reduction 3 with 6 rules applied. Total rules applied 32 place count 124 transition count 197
Free-agglomeration rule applied 2 times.
Iterating global reduction 4 with 2 rules applied. Total rules applied 34 place count 124 transition count 195
Reduce places removed 2 places and 0 transitions.
Iterating post reduction 4 with 2 rules applied. Total rules applied 36 place count 122 transition count 195
Partial Free-agglomeration rule applied 3 times.
Drop transitions (Partial Free agglomeration) removed 3 transitions
Iterating global reduction 5 with 3 rules applied. Total rules applied 39 place count 122 transition count 195
Drop transitions (Empty/Sink Transition effects.) removed 3 transitions
Reduce isomorphic transitions removed 3 transitions.
Iterating post reduction 5 with 3 rules applied. Total rules applied 42 place count 122 transition count 192
Applied a total of 42 rules in 32 ms. Remains 122 /136 variables (removed 14) and now considering 192/215 (removed 23) transitions.
[2025-06-01 21:52:30] [INFO ] Flow matrix only has 191 transitions (discarded 1 similar events)
// Phase 1: matrix 191 rows 122 cols
[2025-06-01 21:52:30] [INFO ] Computed 27 invariants in 1 ms
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-01 21:52:30] [INFO ] Implicit Places using invariants in 56 ms returned []
[2025-06-01 21:52:30] [INFO ] Flow matrix only has 191 transitions (discarded 1 similar events)
[2025-06-01 21:52:30] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-01 21:52:30] [INFO ] State equation strengthened by 46 read => feed constraints.
[2025-06-01 21:52:30] [INFO ] Implicit Places using invariants and state equation in 162 ms returned []
Implicit Place search using SMT with State Equation took 221 ms to find 0 implicit places.
Starting structural reductions in REACHABILITY mode, iteration 2 : 122/144 places, 192/215 transitions.
Finished structural reductions in REACHABILITY mode , in 2 iterations and 355 ms. Remains : 122/144 places, 192/215 transitions.
RANDOM walk for 40000 steps (8 resets) in 85 ms. (465 steps per ms) remains 1/1 properties
BEST_FIRST walk for 40004 steps (8 resets) in 119 ms. (333 steps per ms) remains 1/1 properties
Interrupted probabilistic random walk after 2293093 steps, run timeout after 3001 ms. (steps per millisecond=764 ) properties seen :0 out of 1
Probabilistic random walk after 2293093 steps, saw 303682 distinct states, run finished after 3001 ms. (steps per millisecond=764 ) properties seen :0
[2025-06-01 21:52:33] [INFO ] Flow matrix only has 191 transitions (discarded 1 similar events)
[2025-06-01 21:52:33] [INFO ] Invariant cache hit.
[2025-06-01 21:52:33] [INFO ] State equation strengthened by 46 read => feed constraints.
Starting Z3 with timeout 90.0 s and query timeout 9000.0 ms
All remaining problems are real, not stopping.
At refinement iteration 0 (INCLUDED_ONLY) 0/25 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 1 (OVERLAPS) 85/110 variables, 24/24 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/110 variables, 0/24 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (OVERLAPS) 12/122 variables, 3/27 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/122 variables, 0/27 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (OVERLAPS) 191/313 variables, 122/149 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/313 variables, 46/195 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/313 variables, 0/195 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (OVERLAPS) 0/313 variables, 0/195 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Real declared 313/313 variables, and 195 constraints, problems are : Problem set: 0 solved, 1 unsolved in 91 ms.
Refiners :[Positive P Invariants (semi-flows): 27/27 constraints, State Equation: 122/122 constraints, ReadFeed: 46/46 constraints, PredecessorRefiner: 1/1 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 90.0 s and query timeout 9000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/25 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 1 (OVERLAPS) 85/110 variables, 24/24 constraints. Problems are: Problem set: 0 solved, 1 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 21:52:33] [INFO ] Deduced a trap composed of 4 places in 23 ms of which 2 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 21:52:33] [INFO ] Deduced a trap composed of 10 places in 25 ms of which 2 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 21:52:33] [INFO ] Deduced a trap composed of 11 places in 21 ms of which 1 ms to minimize.
At refinement iteration 2 (INCLUDED_ONLY) 0/110 variables, 3/27 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/110 variables, 0/27 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (OVERLAPS) 12/122 variables, 3/30 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/122 variables, 0/30 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (OVERLAPS) 191/313 variables, 122/152 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/313 variables, 46/198 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/313 variables, 1/199 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/313 variables, 0/199 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (OVERLAPS) 0/313 variables, 0/199 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Int declared 313/313 variables, and 199 constraints, problems are : Problem set: 0 solved, 1 unsolved in 313 ms.
Refiners :[Positive P Invariants (semi-flows): 27/27 constraints, State Equation: 122/122 constraints, ReadFeed: 46/46 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 3/3 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 414ms problems are : Problem set: 0 solved, 1 unsolved
Finished Parikh walk after 29 steps, including 0 resets, run visited all 1 properties in 1 ms. (steps per millisecond=29 )
FORMULA NoC3x3-PT-1B-ReachabilityFireability-2025-14 TRUE TECHNIQUES PARIKH_WALK
Parikh walk visited 1 properties in 8 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 18411 ms.

BK_STOP 1748814753865

--------------------
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-1B"
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-1B, 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-174876812100167"
echo "====================================================================="
echo
echo "--------------------"
echo "preparation of the directory to be used:"

tar xzf /home/mcc/BenchKit/INPUTS/NoC3x3-PT-1B.tgz
mv NoC3x3-PT-1B 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 ;