fond
Model Checking Contest 2025
15th edition, Paris, France, June 24, 2025
Execution of r002-tall-174853729400519
Last Updated
June 24, 2025

About the Execution of ITS-Tools for AutoFlight-PT-05b

Execution Summary
Max Memory
Used (MB)
Time wait (ms) CPU Usage (ms) I/O Wait (ms) Computed Result Execution
Status
0.000 164525.00 0.00 0.00 FFTTTFTTFTFTFFTT normal

Execution Chart

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

Trace from the execution

Formatting '/data/fkordon/mcc2025-input.r002-tall-174853729400519.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)
...............
=====================================================================
Generated by BenchKit 2-5832
Executing tool itstools
Input is AutoFlight-PT-05b, examination is ReachabilityFireability
Time confinement is 3600 seconds
Memory confinement is 16384 MBytes
Number of cores is 4
Run identifier is r002-tall-174853729400519
=====================================================================

--------------------
preparation of the directory to be used:
/home/mcc/execution
total 552K
-rw-r--r-- 1 mcc users 7.4K 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 5.2K May 29 14:47 CTLFireability.txt
-rw-r--r-- 1 mcc users 47K May 29 14:47 CTLFireability.xml
-rw-r--r-- 1 mcc users 4.2K May 29 14:32 GenericPropertiesDefinition.xml
-rw-r--r-- 1 mcc users 6.6K May 29 14:32 GenericPropertiesVerdict.xml
-rw-r--r-- 1 mcc users 3.4K May 29 14:47 LTLCardinality.txt
-rw-r--r-- 1 mcc users 24K May 29 14:47 LTLCardinality.xml
-rw-r--r-- 1 mcc users 2.2K 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 111K May 29 14:47 ReachabilityCardinality.xml
-rw-r--r-- 1 mcc users 7.8K May 29 14:47 ReachabilityFireability.txt
-rw-r--r-- 1 mcc users 65K 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 3.7K 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 4 May 29 14:32 instance
-rw-r--r-- 1 mcc users 6 May 29 14:32 iscolored
-rw-r--r-- 1 mcc users 113K 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 AutoFlight-PT-05b-ReachabilityFireability-2025-00
FORMULA_NAME AutoFlight-PT-05b-ReachabilityFireability-2025-01
FORMULA_NAME AutoFlight-PT-05b-ReachabilityFireability-2025-02
FORMULA_NAME AutoFlight-PT-05b-ReachabilityFireability-2025-03
FORMULA_NAME AutoFlight-PT-05b-ReachabilityFireability-2025-04
FORMULA_NAME AutoFlight-PT-05b-ReachabilityFireability-2025-05
FORMULA_NAME AutoFlight-PT-05b-ReachabilityFireability-2025-06
FORMULA_NAME AutoFlight-PT-05b-ReachabilityFireability-2025-07
FORMULA_NAME AutoFlight-PT-05b-ReachabilityFireability-2025-08
FORMULA_NAME AutoFlight-PT-05b-ReachabilityFireability-2025-09
FORMULA_NAME AutoFlight-PT-05b-ReachabilityFireability-2025-10
FORMULA_NAME AutoFlight-PT-05b-ReachabilityFireability-2025-11
FORMULA_NAME AutoFlight-PT-05b-ReachabilityFireability-2025-12
FORMULA_NAME AutoFlight-PT-05b-ReachabilityFireability-2025-13
FORMULA_NAME AutoFlight-PT-05b-ReachabilityFireability-2025-14
FORMULA_NAME AutoFlight-PT-05b-ReachabilityFireability-2025-15

=== Now, execution of the tool begins

BK_START 1748626894829

Invoking MCC driver with
BK_TOOL=itstools
BK_EXAMINATION=ReachabilityFireability
BK_BIN_PATH=/home/mcc/BenchKit/bin/
BK_TIME_CONFINEMENT=3600
BK_INPUT=AutoFlight-PT-05b
BK_MEMORY_CONFINEMENT=16384
Not applying reductions.
Model is PT
ReachabilityFireability PT
Running Version 202505121319
[2025-05-30 17:41:36] [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]
[2025-05-30 17:41:36] [INFO ] Parsing pnml file : /home/mcc/execution/model.pnml
[2025-05-30 17:41:36] [INFO ] Load time of PNML (sax parser for PT used): 91 ms
[2025-05-30 17:41:36] [INFO ] Transformed 482 places.
[2025-05-30 17:41:36] [INFO ] Transformed 480 transitions.
[2025-05-30 17:41:36] [INFO ] Found NUPN structural information;
[2025-05-30 17:41:36] [INFO ] Parsed PT model containing 482 places and 480 transitions and 1120 arcs in 186 ms.
Parsed 16 properties from file /home/mcc/execution/ReachabilityFireability.xml in 13 ms.
Working with output stream class java.io.PrintStream
RANDOM walk for 40000 steps (162 resets) in 1629 ms. (24 steps per ms) remains 9/16 properties
FORMULA AutoFlight-PT-05b-ReachabilityFireability-2025-12 FALSE TECHNIQUES TOPOLOGICAL RANDOM_WALK
FORMULA AutoFlight-PT-05b-ReachabilityFireability-2025-09 TRUE TECHNIQUES TOPOLOGICAL RANDOM_WALK
FORMULA AutoFlight-PT-05b-ReachabilityFireability-2025-08 FALSE TECHNIQUES TOPOLOGICAL RANDOM_WALK
FORMULA AutoFlight-PT-05b-ReachabilityFireability-2025-07 TRUE TECHNIQUES TOPOLOGICAL RANDOM_WALK
FORMULA AutoFlight-PT-05b-ReachabilityFireability-2025-04 TRUE TECHNIQUES TOPOLOGICAL RANDOM_WALK
FORMULA AutoFlight-PT-05b-ReachabilityFireability-2025-02 TRUE TECHNIQUES TOPOLOGICAL RANDOM_WALK
FORMULA AutoFlight-PT-05b-ReachabilityFireability-2025-00 FALSE TECHNIQUES TOPOLOGICAL RANDOM_WALK
[2025-05-30 17:41:36] [INFO ] Flatten gal took : 127 ms
[2025-05-30 17:41:36] [INFO ] Flatten gal took : 94 ms
BEST_FIRST walk for 40004 steps (13 resets) in 509 ms. (78 steps per ms) remains 9/9 properties
[2025-05-30 17:41:36] [INFO ] Time to serialize gal into /tmp/ReachabilityCardinality9696769414854220071.gal : 43 ms
BEST_FIRST walk for 40004 steps (15 resets) in 184 ms. (216 steps per ms) remains 9/9 properties
[2025-05-30 17:41:37] [INFO ] Time to serialize properties into /tmp/ReachabilityCardinality6299368964223336328.prop : 8 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/ReachabilityCardinality9696769414854220071.gal' '-t' 'CGAL' '-reachable-file' '/tmp/ReachabilityCardinality6299368964223336328.prop' '--nowitness' '--gen-order' 'FOLLOW'

its-reach command run as :

BEST_FIRST walk for 40004 steps (15 resets) in 236 ms. (168 steps per ms) remains 9/9 properties
/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202505121319/bin/its-reach-linux64 --gc-threshold 2000000 --quiet ...328
Loading property file /tmp/ReachabilityCardinality6299368964223336328.prop.
BEST_FIRST walk for 40004 steps (14 resets) in 201 ms. (198 steps per ms) remains 9/9 properties
BEST_FIRST walk for 40004 steps (13 resets) in 157 ms. (253 steps per ms) remains 8/9 properties
FORMULA AutoFlight-PT-05b-ReachabilityFireability-2025-03 TRUE TECHNIQUES TOPOLOGICAL BESTFIRST_WALK
SDD proceeding with computation,9 properties remain. new max is 4
SDD size :1 after 3
SDD proceeding with computation,9 properties remain. new max is 8
SDD size :3 after 8
SDD proceeding with computation,9 properties remain. new max is 16
SDD size :8 after 17
SDD proceeding with computation,9 properties remain. new max is 32
SDD size :17 after 34
SDD proceeding with computation,9 properties remain. new max is 64
SDD size :34 after 476
SDD proceeding with computation,9 properties remain. new max is 128
SDD size :476 after 198986
SDD proceeding with computation,9 properties remain. new max is 256
SDD size :198986 after 3.86947e+10
SDD proceeding with computation,9 properties remain. new max is 512
SDD size :3.86947e+10 after 8.79436e+19
BEST_FIRST walk for 40003 steps (16 resets) in 776 ms. (51 steps per ms) remains 8/8 properties
BEST_FIRST walk for 40003 steps (14 resets) in 118 ms. (336 steps per ms) remains 8/8 properties
BEST_FIRST walk for 40004 steps (16 resets) in 90 ms. (439 steps per ms) remains 8/8 properties
BEST_FIRST walk for 40004 steps (18 resets) in 151 ms. (263 steps per ms) remains 8/8 properties
// Phase 1: matrix 480 rows 482 cols
[2025-05-30 17:41:37] [INFO ] Computed 34 invariants in 29 ms
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) 0/90 variables, 90/90 constraints. Problems are: Problem set: 0 solved, 8 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/90 variables, 0/90 constraints. Problems are: Problem set: 0 solved, 8 unsolved
At refinement iteration 2 (OVERLAPS) 366/456 variables, 32/122 constraints. Problems are: Problem set: 0 solved, 8 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/456 variables, 366/488 constraints. Problems are: Problem set: 0 solved, 8 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/456 variables, 0/488 constraints. Problems are: Problem set: 0 solved, 8 unsolved
At refinement iteration 5 (OVERLAPS) 4/460 variables, 1/489 constraints. Problems are: Problem set: 0 solved, 8 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/460 variables, 4/493 constraints. Problems are: Problem set: 0 solved, 8 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/460 variables, 0/493 constraints. Problems are: Problem set: 0 solved, 8 unsolved
At refinement iteration 8 (OVERLAPS) 22/482 variables, 1/494 constraints. Problems are: Problem set: 0 solved, 8 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/482 variables, 22/516 constraints. Problems are: Problem set: 0 solved, 8 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/482 variables, 0/516 constraints. Problems are: Problem set: 0 solved, 8 unsolved
At refinement iteration 11 (OVERLAPS) 480/962 variables, 482/998 constraints. Problems are: Problem set: 0 solved, 8 unsolved
At refinement iteration 12 (INCLUDED_ONLY) 0/962 variables, 0/998 constraints. Problems are: Problem set: 0 solved, 8 unsolved
At refinement iteration 13 (OVERLAPS) 0/962 variables, 0/998 constraints. Problems are: Problem set: 0 solved, 8 unsolved
No progress, stopping.
After SMT solving in domain Real declared 962/962 variables, and 998 constraints, problems are : Problem set: 0 solved, 8 unsolved in 2219 ms.
Refiners :[Domain max(s): 482/482 constraints, Positive P Invariants (semi-flows): 33/33 constraints, Generalized P Invariants (flows): 1/1 constraints, State Equation: 482/482 constraints, PredecessorRefiner: 8/8 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 8 unsolved
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/90 variables, 90/90 constraints. Problems are: Problem set: 0 solved, 8 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/90 variables, 0/90 constraints. Problems are: Problem set: 0 solved, 8 unsolved
At refinement iteration 2 (OVERLAPS) 366/456 variables, 32/122 constraints. Problems are: Problem set: 0 solved, 8 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/456 variables, 366/488 constraints. Problems are: Problem set: 0 solved, 8 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-30 17:41:40] [INFO ] Deduced a trap composed of 17 places in 58 ms of which 7 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-30 17:41:40] [INFO ] Deduced a trap composed of 36 places in 53 ms of which 7 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-30 17:41:40] [INFO ] Deduced a trap composed of 21 places in 62 ms of which 8 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-30 17:41:40] [INFO ] Deduced a trap composed of 41 places in 62 ms of which 7 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-30 17:41:40] [INFO ] Deduced a trap composed of 30 places in 51 ms of which 3 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-30 17:41:40] [INFO ] Deduced a trap composed of 34 places in 79 ms of which 9 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-30 17:41:40] [INFO ] Deduced a trap composed of 41 places in 66 ms of which 14 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-30 17:41:40] [INFO ] Deduced a trap composed of 46 places in 97 ms of which 9 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-30 17:41:41] [INFO ] Deduced a trap composed of 24 places in 34 ms of which 3 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-30 17:41:41] [INFO ] Deduced a trap composed of 43 places in 84 ms of which 12 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-30 17:41:41] [INFO ] Deduced a trap composed of 49 places in 101 ms of which 20 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-30 17:41:41] [INFO ] Deduced a trap composed of 57 places in 74 ms of which 10 ms to minimize.
At refinement iteration 4 (INCLUDED_ONLY) 0/456 variables, 12/500 constraints. Problems are: Problem set: 0 solved, 8 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-30 17:41:41] [INFO ] Deduced a trap composed of 20 places in 70 ms of which 8 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-30 17:41:41] [INFO ] Deduced a trap composed of 23 places in 65 ms of which 5 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-30 17:41:41] [INFO ] Deduced a trap composed of 59 places in 75 ms of which 13 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-30 17:41:41] [INFO ] Deduced a trap composed of 68 places in 65 ms of which 6 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-30 17:41:41] [INFO ] Deduced a trap composed of 21 places in 60 ms of which 6 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-30 17:41:42] [INFO ] Deduced a trap composed of 44 places in 62 ms of which 8 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-30 17:41:42] [INFO ] Deduced a trap composed of 49 places in 74 ms of which 8 ms to minimize.
At refinement iteration 5 (INCLUDED_ONLY) 0/456 variables, 7/507 constraints. Problems are: Problem set: 0 solved, 8 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-30 17:41:42] [INFO ] Deduced a trap composed of 19 places in 59 ms of which 6 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-30 17:41:42] [INFO ] Deduced a trap composed of 45 places in 68 ms of which 7 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-30 17:41:42] [INFO ] Deduced a trap composed of 47 places in 80 ms of which 7 ms to minimize.
At refinement iteration 6 (INCLUDED_ONLY) 0/456 variables, 3/510 constraints. Problems are: Problem set: 0 solved, 8 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-30 17:41:42] [INFO ] Deduced a trap composed of 36 places in 76 ms of which 7 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-30 17:41:42] [INFO ] Deduced a trap composed of 37 places in 60 ms of which 6 ms to minimize.
At refinement iteration 7 (INCLUDED_ONLY) 0/456 variables, 2/512 constraints. Problems are: Problem set: 0 solved, 8 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/456 variables, 0/512 constraints. Problems are: Problem set: 0 solved, 8 unsolved
At refinement iteration 9 (OVERLAPS) 4/460 variables, 1/513 constraints. Problems are: Problem set: 0 solved, 8 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/460 variables, 4/517 constraints. Problems are: Problem set: 0 solved, 8 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-30 17:41:43] [INFO ] Deduced a trap composed of 15 places in 63 ms of which 4 ms to minimize.
At refinement iteration 11 (INCLUDED_ONLY) 0/460 variables, 1/518 constraints. Problems are: Problem set: 0 solved, 8 unsolved
At refinement iteration 12 (INCLUDED_ONLY) 0/460 variables, 0/518 constraints. Problems are: Problem set: 0 solved, 8 unsolved
At refinement iteration 13 (OVERLAPS) 22/482 variables, 1/519 constraints. Problems are: Problem set: 0 solved, 8 unsolved
At refinement iteration 14 (INCLUDED_ONLY) 0/482 variables, 22/541 constraints. Problems are: Problem set: 0 solved, 8 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-30 17:41:44] [INFO ] Deduced a trap composed of 42 places in 95 ms of which 15 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-30 17:41:44] [INFO ] Deduced a trap composed of 45 places in 130 ms of which 25 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-30 17:41:44] [INFO ] Deduced a trap composed of 49 places in 128 ms of which 18 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-30 17:41:44] [INFO ] Deduced a trap composed of 55 places in 121 ms of which 13 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-30 17:41:44] [INFO ] Deduced a trap composed of 39 places in 133 ms of which 21 ms to minimize.
SMT process timed out in 7366ms, After SMT, problems are : Problem set: 0 solved, 8 unsolved
Fused 8 Parikh solutions to 1 different solutions.
Parikh walk visited 0 properties in 0 ms.
Support contains 90 out of 482 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 482/482 places, 480/480 transitions.
Drop transitions (Trivial Post-Agglo cleanup.) removed 110 transitions
Trivial Post-agglo rules discarded 110 transitions
Performed 110 trivial Post agglomeration. Transition count delta: 110
Iterating post reduction 0 with 110 rules applied. Total rules applied 110 place count 482 transition count 370
Reduce places removed 110 places and 0 transitions.
Ensure Unique test removed 11 transitions
Reduce isomorphic transitions removed 11 transitions.
Drop transitions (Trivial Post-Agglo cleanup.) removed 2 transitions
Trivial Post-agglo rules discarded 2 transitions
Performed 2 trivial Post agglomeration. Transition count delta: 2
Iterating post reduction 1 with 123 rules applied. Total rules applied 233 place count 372 transition count 357
Reduce places removed 2 places and 0 transitions.
Performed 17 Post agglomeration using F-continuation condition.Transition count delta: 17
Iterating post reduction 2 with 19 rules applied. Total rules applied 252 place count 370 transition count 340
Reduce places removed 17 places and 0 transitions.
Ensure Unique test removed 3 transitions
Reduce isomorphic transitions removed 3 transitions.
Iterating post reduction 3 with 20 rules applied. Total rules applied 272 place count 353 transition count 337
Performed 47 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 4 with 47 Pre rules applied. Total rules applied 272 place count 353 transition count 290
Deduced a syphon composed of 47 places in 1 ms
Reduce places removed 47 places and 0 transitions.
Iterating global reduction 4 with 94 rules applied. Total rules applied 366 place count 306 transition count 290
Discarding 35 places :
Symmetric choice reduction at 4 with 35 rule applications. Total rules 401 place count 271 transition count 255
Iterating global reduction 4 with 35 rules applied. Total rules applied 436 place count 271 transition count 255
Ensure Unique test removed 3 transitions
Reduce isomorphic transitions removed 3 transitions.
Iterating post reduction 4 with 3 rules applied. Total rules applied 439 place count 271 transition count 252
Performed 7 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 5 with 7 Pre rules applied. Total rules applied 439 place count 271 transition count 245
Deduced a syphon composed of 7 places in 0 ms
Reduce places removed 7 places and 0 transitions.
Iterating global reduction 5 with 14 rules applied. Total rules applied 453 place count 264 transition count 245
Performed 35 Post agglomeration using F-continuation condition.Transition count delta: 35
Deduced a syphon composed of 35 places in 0 ms
Reduce places removed 35 places and 0 transitions.
Iterating global reduction 5 with 70 rules applied. Total rules applied 523 place count 229 transition count 210
Performed 2 Post agglomeration using F-continuation condition.Transition count delta: 0
Deduced a syphon composed of 2 places in 0 ms
Reduce places removed 2 places and 0 transitions.
Iterating global reduction 5 with 4 rules applied. Total rules applied 527 place count 227 transition count 210
Drop transitions (Redundant composition of simpler transitions.) removed 6 transitions
Redundant transition composition rules discarded 6 transitions
Iterating global reduction 5 with 6 rules applied. Total rules applied 533 place count 227 transition count 204
Performed 1 Post agglomeration using F-continuation condition.Transition count delta: 1
Deduced a syphon composed of 1 places in 1 ms
Reduce places removed 1 places and 0 transitions.
Iterating global reduction 5 with 2 rules applied. Total rules applied 535 place count 226 transition count 203
Free-agglomeration rule applied 9 times.
Iterating global reduction 5 with 9 rules applied. Total rules applied 544 place count 226 transition count 194
Reduce places removed 9 places and 0 transitions.
Iterating post reduction 5 with 9 rules applied. Total rules applied 553 place count 217 transition count 194
Applied a total of 553 rules in 137 ms. Remains 217 /482 variables (removed 265) and now considering 194/480 (removed 286) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 145 ms. Remains : 217/482 places, 194/480 transitions.
RANDOM walk for 40000 steps (381 resets) in 561 ms. (71 steps per ms) remains 6/8 properties
FORMULA AutoFlight-PT-05b-ReachabilityFireability-2025-11 TRUE TECHNIQUES TOPOLOGICAL RANDOM_WALK
FORMULA AutoFlight-PT-05b-ReachabilityFireability-2025-05 FALSE TECHNIQUES TOPOLOGICAL RANDOM_WALK
BEST_FIRST walk for 40004 steps (44 resets) in 161 ms. (246 steps per ms) remains 6/6 properties
BEST_FIRST walk for 40004 steps (44 resets) in 87 ms. (454 steps per ms) remains 6/6 properties
BEST_FIRST walk for 40004 steps (43 resets) in 88 ms. (449 steps per ms) remains 6/6 properties
BEST_FIRST walk for 40003 steps (46 resets) in 85 ms. (465 steps per ms) remains 6/6 properties
BEST_FIRST walk for 40003 steps (44 resets) in 70 ms. (563 steps per ms) remains 6/6 properties
BEST_FIRST walk for 40003 steps (56 resets) in 83 ms. (476 steps per ms) remains 6/6 properties
// Phase 1: matrix 194 rows 217 cols
[2025-05-30 17:41:45] [INFO ] Computed 34 invariants in 2 ms
[2025-05-30 17:41:45] [INFO ] State equation strengthened by 14 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) 0/72 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 1 (OVERLAPS) 130/202 variables, 32/32 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/202 variables, 0/32 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 3 (OVERLAPS) 1/203 variables, 1/33 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/203 variables, 0/33 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 5 (OVERLAPS) 14/217 variables, 1/34 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/217 variables, 0/34 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 7 (OVERLAPS) 194/411 variables, 217/251 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/411 variables, 14/265 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/411 variables, 0/265 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 10 (OVERLAPS) 0/411 variables, 0/265 constraints. Problems are: Problem set: 0 solved, 6 unsolved
No progress, stopping.
After SMT solving in domain Real declared 411/411 variables, and 265 constraints, problems are : Problem set: 0 solved, 6 unsolved in 435 ms.
Refiners :[Positive P Invariants (semi-flows): 33/33 constraints, Generalized P Invariants (flows): 1/1 constraints, State Equation: 217/217 constraints, ReadFeed: 14/14 constraints, PredecessorRefiner: 6/6 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 6 unsolved
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/72 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 1 (OVERLAPS) 130/202 variables, 32/32 constraints. Problems are: Problem set: 0 solved, 6 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-30 17:41:46] [INFO ] Deduced a trap composed of 17 places in 41 ms of which 5 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-30 17:41:46] [INFO ] Deduced a trap composed of 21 places in 37 ms of which 4 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-30 17:41:46] [INFO ] Deduced a trap composed of 21 places in 35 ms of which 2 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-30 17:41:46] [INFO ] Deduced a trap composed of 23 places in 41 ms of which 4 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-30 17:41:46] [INFO ] Deduced a trap composed of 39 places in 39 ms of which 2 ms to minimize.
At refinement iteration 2 (INCLUDED_ONLY) 0/202 variables, 5/37 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/202 variables, 0/37 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 4 (OVERLAPS) 1/203 variables, 1/38 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/203 variables, 0/38 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 6 (OVERLAPS) 14/217 variables, 1/39 constraints. Problems are: Problem set: 0 solved, 6 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-30 17:41:46] [INFO ] Deduced a trap composed of 25 places in 60 ms of which 6 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-30 17:41:46] [INFO ] Deduced a trap composed of 21 places in 52 ms of which 6 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-30 17:41:46] [INFO ] Deduced a trap composed of 25 places in 62 ms of which 6 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-30 17:41:46] [INFO ] Deduced a trap composed of 27 places in 51 ms of which 4 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-30 17:41:46] [INFO ] Deduced a trap composed of 20 places in 56 ms of which 7 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-30 17:41:46] [INFO ] Deduced a trap composed of 21 places in 54 ms of which 8 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-30 17:41:46] [INFO ] Deduced a trap composed of 12 places in 51 ms of which 6 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-30 17:41:46] [INFO ] Deduced a trap composed of 23 places in 55 ms of which 10 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-30 17:41:46] [INFO ] Deduced a trap composed of 50 places in 58 ms of which 6 ms to minimize.
At refinement iteration 7 (INCLUDED_ONLY) 0/217 variables, 9/48 constraints. Problems are: Problem set: 0 solved, 6 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-30 17:41:47] [INFO ] Deduced a trap composed of 41 places in 69 ms of which 11 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-30 17:41:47] [INFO ] Deduced a trap composed of 17 places in 54 ms of which 6 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-30 17:41:47] [INFO ] Deduced a trap composed of 50 places in 61 ms of which 6 ms to minimize.
At refinement iteration 8 (INCLUDED_ONLY) 0/217 variables, 3/51 constraints. Problems are: Problem set: 0 solved, 6 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-30 17:41:47] [INFO ] Deduced a trap composed of 41 places in 53 ms of which 5 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-30 17:41:47] [INFO ] Deduced a trap composed of 43 places in 52 ms of which 5 ms to minimize.
At refinement iteration 9 (INCLUDED_ONLY) 0/217 variables, 2/53 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/217 variables, 0/53 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 11 (OVERLAPS) 194/411 variables, 217/270 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 12 (INCLUDED_ONLY) 0/411 variables, 14/284 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 13 (INCLUDED_ONLY) 0/411 variables, 6/290 constraints. Problems are: Problem set: 0 solved, 6 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-30 17:41:47] [INFO ] Deduced a trap composed of 27 places in 55 ms of which 10 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-30 17:41:47] [INFO ] Deduced a trap composed of 19 places in 63 ms of which 8 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-30 17:41:48] [INFO ] Deduced a trap composed of 51 places in 61 ms of which 6 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-30 17:41:48] [INFO ] Deduced a trap composed of 43 places in 49 ms of which 3 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-30 17:41:48] [INFO ] Deduced a trap composed of 22 places in 52 ms of which 3 ms to minimize.
At refinement iteration 14 (INCLUDED_ONLY) 0/411 variables, 5/295 constraints. Problems are: Problem set: 0 solved, 6 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-30 17:41:48] [INFO ] Deduced a trap along path composed of 3 places in 26 ms of which 3 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-30 17:41:48] [INFO ] Deduced a trap along path composed of 7 places in 37 ms of which 1 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-30 17:41:48] [INFO ] Deduced a trap along path composed of 21 places in 33 ms of which 1 ms to minimize.
At refinement iteration 15 (INCLUDED_ONLY) 0/411 variables, 3/298 constraints. Problems are: Problem set: 0 solved, 6 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-30 17:41:49] [INFO ] Deduced a trap along path composed of 4 places in 25 ms of which 1 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-30 17:41:49] [INFO ] Deduced a trap along path composed of 18 places in 24 ms of which 0 ms to minimize.
At refinement iteration 16 (INCLUDED_ONLY) 0/411 variables, 2/300 constraints. Problems are: Problem set: 0 solved, 6 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-30 17:41:50] [INFO ] Deduced a trap composed of 56 places in 51 ms of which 5 ms to minimize.
At refinement iteration 17 (INCLUDED_ONLY) 0/411 variables, 1/301 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 18 (INCLUDED_ONLY) 0/411 variables, 0/301 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 19 (OVERLAPS) 0/411 variables, 0/301 constraints. Problems are: Problem set: 0 solved, 6 unsolved
No progress, stopping.
After SMT solving in domain Int declared 411/411 variables, and 301 constraints, problems are : Problem set: 0 solved, 6 unsolved in 6361 ms.
Refiners :[Positive P Invariants (semi-flows): 33/33 constraints, Generalized P Invariants (flows): 1/1 constraints, State Equation: 217/217 constraints, ReadFeed: 14/14 constraints, PredecessorRefiner: 6/6 constraints, Known Traps: 25/25 constraints, Known Traps Along Path: 5/5 constraints]
After SMT, in 6817ms problems are : Problem set: 0 solved, 6 unsolved
FORMULA AutoFlight-PT-05b-ReachabilityFireability-2025-06 TRUE TECHNIQUES PARIKH_WALK
FORMULA AutoFlight-PT-05b-ReachabilityFireability-2025-10 FALSE TECHNIQUES PARIKH_WALK
FORMULA AutoFlight-PT-05b-ReachabilityFireability-2025-13 FALSE TECHNIQUES PARIKH_WALK
FORMULA AutoFlight-PT-05b-ReachabilityFireability-2025-15 TRUE TECHNIQUES PARIKH_WALK
Parikh walk visited 4 properties in 961 ms.
Support contains 40 out of 217 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 217/217 places, 194/194 transitions.
Drop transitions (Trivial Post-Agglo cleanup.) removed 21 transitions
Trivial Post-agglo rules discarded 21 transitions
Performed 21 trivial Post agglomeration. Transition count delta: 21
Iterating post reduction 0 with 21 rules applied. Total rules applied 21 place count 217 transition count 173
Reduce places removed 21 places and 0 transitions.
Performed 3 Post agglomeration using F-continuation condition.Transition count delta: 3
Iterating post reduction 1 with 24 rules applied. Total rules applied 45 place count 196 transition count 170
Reduce places removed 3 places and 0 transitions.
Iterating post reduction 2 with 3 rules applied. Total rules applied 48 place count 193 transition count 170
Performed 10 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 3 with 10 Pre rules applied. Total rules applied 48 place count 193 transition count 160
Deduced a syphon composed of 10 places in 0 ms
Reduce places removed 10 places and 0 transitions.
Iterating global reduction 3 with 20 rules applied. Total rules applied 68 place count 183 transition count 160
Discarding 1 places :
Symmetric choice reduction at 3 with 1 rule applications. Total rules 69 place count 182 transition count 159
Iterating global reduction 3 with 1 rules applied. Total rules applied 70 place count 182 transition count 159
Performed 20 Post agglomeration using F-continuation condition.Transition count delta: 20
Deduced a syphon composed of 20 places in 1 ms
Reduce places removed 20 places and 0 transitions.
Iterating global reduction 3 with 40 rules applied. Total rules applied 110 place count 162 transition count 139
Ensure Unique test removed 2 transitions
Reduce isomorphic transitions removed 2 transitions.
Iterating post reduction 3 with 2 rules applied. Total rules applied 112 place count 162 transition count 137
Free-agglomeration rule applied 8 times.
Iterating global reduction 4 with 8 rules applied. Total rules applied 120 place count 162 transition count 129
Reduce places removed 8 places and 0 transitions.
Iterating post reduction 4 with 8 rules applied. Total rules applied 128 place count 154 transition count 129
Applied a total of 128 rules in 26 ms. Remains 154 /217 variables (removed 63) and now considering 129/194 (removed 65) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 26 ms. Remains : 154/217 places, 129/194 transitions.
RANDOM walk for 40000 steps (492 resets) in 853 ms. (46 steps per ms) remains 2/2 properties
BEST_FIRST walk for 40004 steps (81 resets) in 119 ms. (333 steps per ms) remains 2/2 properties
BEST_FIRST walk for 40004 steps (91 resets) in 61 ms. (645 steps per ms) remains 2/2 properties
Interrupted probabilistic random walk after 1390824 steps, run timeout after 3001 ms. (steps per millisecond=463 ) properties seen :0 out of 2
Probabilistic random walk after 1390824 steps, saw 194415 distinct states, run finished after 3007 ms. (steps per millisecond=462 ) properties seen :0
// Phase 1: matrix 129 rows 154 cols
[2025-05-30 17:41:56] [INFO ] Computed 34 invariants in 1 ms
[2025-05-30 17:41:56] [INFO ] State equation strengthened by 35 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) 0/40 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 1 (OVERLAPS) 94/134 variables, 29/29 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/134 variables, 0/29 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 3 (OVERLAPS) 4/138 variables, 4/33 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/138 variables, 0/33 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 5 (OVERLAPS) 16/154 variables, 1/34 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/154 variables, 0/34 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 7 (OVERLAPS) 129/283 variables, 154/188 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/283 variables, 35/223 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/283 variables, 0/223 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 10 (OVERLAPS) 0/283 variables, 0/223 constraints. Problems are: Problem set: 0 solved, 2 unsolved
No progress, stopping.
After SMT solving in domain Real declared 283/283 variables, and 223 constraints, problems are : Problem set: 0 solved, 2 unsolved in 165 ms.
Refiners :[Positive P Invariants (semi-flows): 33/33 constraints, Generalized P Invariants (flows): 1/1 constraints, State Equation: 154/154 constraints, ReadFeed: 35/35 constraints, PredecessorRefiner: 2/2 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 75.0 s and query timeout 7500.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/40 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 1 (OVERLAPS) 94/134 variables, 29/29 constraints. Problems are: Problem set: 0 solved, 2 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-30 17:41:56] [INFO ] Deduced a trap composed of 10 places in 50 ms of which 5 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-30 17:41:56] [INFO ] Deduced a trap composed of 12 places in 49 ms of which 3 ms to minimize.
At refinement iteration 2 (INCLUDED_ONLY) 0/134 variables, 2/31 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/134 variables, 0/31 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 4 (OVERLAPS) 4/138 variables, 4/35 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/138 variables, 0/35 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 6 (OVERLAPS) 16/154 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
[2025-05-30 17:41:56] [INFO ] Deduced a trap composed of 20 places in 41 ms of which 2 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-30 17:41:57] [INFO ] Deduced a trap composed of 22 places in 37 ms of which 3 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-30 17:41:57] [INFO ] Deduced a trap composed of 22 places in 37 ms of which 3 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-30 17:41:57] [INFO ] Deduced a trap composed of 12 places in 40 ms of which 3 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-30 17:41:57] [INFO ] Deduced a trap composed of 13 places in 48 ms of which 4 ms to minimize.
At refinement iteration 7 (INCLUDED_ONLY) 0/154 variables, 5/41 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/154 variables, 0/41 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 9 (OVERLAPS) 129/283 variables, 154/195 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/283 variables, 35/230 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/283 variables, 2/232 constraints. Problems are: Problem set: 0 solved, 2 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-30 17:41:57] [INFO ] Deduced a trap composed of 11 places in 45 ms of which 5 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-30 17:41:57] [INFO ] Deduced a trap composed of 23 places in 53 ms of which 7 ms to minimize.
At refinement iteration 12 (INCLUDED_ONLY) 0/283 variables, 2/234 constraints. Problems are: Problem set: 0 solved, 2 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-30 17:41:57] [INFO ] Deduced a trap along path composed of 6 places in 26 ms of which 1 ms to minimize.
At refinement iteration 13 (INCLUDED_ONLY) 0/283 variables, 1/235 constraints. Problems are: Problem set: 0 solved, 2 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-30 17:41:57] [INFO ] Deduced a trap along path composed of 3 places in 20 ms of which 1 ms to minimize.
At refinement iteration 14 (INCLUDED_ONLY) 0/283 variables, 1/236 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 15 (INCLUDED_ONLY) 0/283 variables, 0/236 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 16 (OVERLAPS) 0/283 variables, 0/236 constraints. Problems are: Problem set: 0 solved, 2 unsolved
No progress, stopping.
After SMT solving in domain Int declared 283/283 variables, and 236 constraints, problems are : Problem set: 0 solved, 2 unsolved in 1359 ms.
Refiners :[Positive P Invariants (semi-flows): 33/33 constraints, Generalized P Invariants (flows): 1/1 constraints, State Equation: 154/154 constraints, ReadFeed: 35/35 constraints, PredecessorRefiner: 2/2 constraints, Known Traps: 9/9 constraints, Known Traps Along Path: 2/2 constraints]
After SMT, in 1535ms problems are : Problem set: 0 solved, 2 unsolved
Parikh walk visited 0 properties in 168 ms.
Support contains 40 out of 154 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 154/154 places, 129/129 transitions.
Applied a total of 0 rules in 5 ms. Remains 154 /154 variables (removed 0) and now considering 129/129 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 5 ms. Remains : 154/154 places, 129/129 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 154/154 places, 129/129 transitions.
Applied a total of 0 rules in 5 ms. Remains 154 /154 variables (removed 0) and now considering 129/129 (removed 0) transitions.
[2025-05-30 17:41:58] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-05-30 17:41:58] [INFO ] Implicit Places using invariants in 103 ms returned [62, 63, 64, 150, 153]
Discarding 5 places :
Implicit Place search using SMT only with invariants took 112 ms to find 5 implicit places.
Starting structural reductions in REACHABILITY mode, iteration 1 : 149/154 places, 129/129 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 0 with 1 rules applied. Total rules applied 1 place count 149 transition count 128
Reduce places removed 1 places and 0 transitions.
Performed 3 Post agglomeration using F-continuation condition.Transition count delta: 3
Iterating post reduction 1 with 4 rules applied. Total rules applied 5 place count 148 transition count 125
Reduce places removed 3 places and 0 transitions.
Iterating post reduction 2 with 3 rules applied. Total rules applied 8 place count 145 transition count 125
Performed 6 Post agglomeration using F-continuation condition.Transition count delta: 6
Deduced a syphon composed of 6 places in 0 ms
Reduce places removed 6 places and 0 transitions.
Iterating global reduction 3 with 12 rules applied. Total rules applied 20 place count 139 transition count 119
Applied a total of 20 rules in 9 ms. Remains 139 /149 variables (removed 10) and now considering 119/129 (removed 10) transitions.
// Phase 1: matrix 119 rows 139 cols
[2025-05-30 17:41:58] [INFO ] Computed 29 invariants in 1 ms
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-05-30 17:41:58] [INFO ] Implicit Places using invariants in 60 ms returned []
[2025-05-30 17:41:58] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-05-30 17:41:58] [INFO ] State equation strengthened by 32 read => feed constraints.
[2025-05-30 17:41:58] [INFO ] Implicit Places using invariants and state equation in 169 ms returned [10, 32]
Discarding 2 places :
Implicit Place search using SMT with State Equation took 231 ms to find 2 implicit places.
Starting structural reductions in REACHABILITY mode, iteration 2 : 137/154 places, 119/129 transitions.
Performed 4 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 0 with 4 Pre rules applied. Total rules applied 0 place count 137 transition count 115
Deduced a syphon composed of 4 places in 1 ms
Reduce places removed 4 places and 0 transitions.
Iterating global reduction 0 with 8 rules applied. Total rules applied 8 place count 133 transition count 115
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 0 with 2 rules applied. Total rules applied 10 place count 132 transition count 114
Applied a total of 10 rules in 9 ms. Remains 132 /137 variables (removed 5) and now considering 114/119 (removed 5) transitions.
// Phase 1: matrix 114 rows 132 cols
[2025-05-30 17:41:58] [INFO ] Computed 27 invariants in 1 ms
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-05-30 17:41:58] [INFO ] Implicit Places using invariants in 90 ms returned []
[2025-05-30 17:41:58] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-05-30 17:41:58] [INFO ] State equation strengthened by 26 read => feed constraints.
[2025-05-30 17:41:58] [INFO ] Implicit Places using invariants and state equation in 146 ms returned []
Implicit Place search using SMT with State Equation took 238 ms to find 0 implicit places.
Starting structural reductions in REACHABILITY mode, iteration 3 : 132/154 places, 114/129 transitions.
Finished structural reductions in REACHABILITY mode , in 3 iterations and 605 ms. Remains : 132/154 places, 114/129 transitions.
RANDOM walk for 40000 steps (543 resets) in 155 ms. (256 steps per ms) remains 2/2 properties
BEST_FIRST walk for 40003 steps (87 resets) in 137 ms. (289 steps per ms) remains 2/2 properties
BEST_FIRST walk for 40004 steps (90 resets) in 53 ms. (740 steps per ms) remains 2/2 properties
Interrupted probabilistic random walk after 1447495 steps, run timeout after 3001 ms. (steps per millisecond=482 ) properties seen :0 out of 2
Probabilistic random walk after 1447495 steps, saw 221938 distinct states, run finished after 3001 ms. (steps per millisecond=482 ) properties seen :0
[2025-05-30 17:42:01] [INFO ] Invariant cache hit.
[2025-05-30 17:42:01] [INFO ] State equation strengthened by 26 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) 0/40 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 1 (OVERLAPS) 91/131 variables, 26/26 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/131 variables, 0/26 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 3 (OVERLAPS) 1/132 variables, 1/27 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/132 variables, 0/27 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 5 (OVERLAPS) 114/246 variables, 132/159 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/246 variables, 26/185 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/246 variables, 0/185 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 8 (OVERLAPS) 0/246 variables, 0/185 constraints. Problems are: Problem set: 0 solved, 2 unsolved
No progress, stopping.
After SMT solving in domain Real declared 246/246 variables, and 185 constraints, problems are : Problem set: 0 solved, 2 unsolved in 153 ms.
Refiners :[Positive P Invariants (semi-flows): 27/27 constraints, State Equation: 132/132 constraints, ReadFeed: 26/26 constraints, PredecessorRefiner: 2/2 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 90.0 s and query timeout 9000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/40 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 1 (OVERLAPS) 91/131 variables, 26/26 constraints. Problems are: Problem set: 0 solved, 2 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-30 17:42:02] [INFO ] Deduced a trap composed of 18 places in 43 ms of which 5 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-30 17:42:02] [INFO ] Deduced a trap composed of 20 places in 31 ms of which 2 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-30 17:42:02] [INFO ] Deduced a trap composed of 20 places in 35 ms of which 3 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-30 17:42:02] [INFO ] Deduced a trap composed of 12 places in 45 ms of which 5 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-30 17:42:02] [INFO ] Deduced a trap composed of 22 places in 45 ms of which 8 ms to minimize.
At refinement iteration 2 (INCLUDED_ONLY) 0/131 variables, 5/31 constraints. Problems are: Problem set: 0 solved, 2 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-30 17:42:02] [INFO ] Deduced a trap composed of 13 places in 40 ms of which 3 ms to minimize.
At refinement iteration 3 (INCLUDED_ONLY) 0/131 variables, 1/32 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/131 variables, 0/32 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 5 (OVERLAPS) 1/132 variables, 1/33 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/132 variables, 0/33 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 7 (OVERLAPS) 114/246 variables, 132/165 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/246 variables, 26/191 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/246 variables, 2/193 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/246 variables, 0/193 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 11 (OVERLAPS) 0/246 variables, 0/193 constraints. Problems are: Problem set: 0 solved, 2 unsolved
No progress, stopping.
After SMT solving in domain Int declared 246/246 variables, and 193 constraints, problems are : Problem set: 0 solved, 2 unsolved in 758 ms.
Refiners :[Positive P Invariants (semi-flows): 27/27 constraints, State Equation: 132/132 constraints, ReadFeed: 26/26 constraints, PredecessorRefiner: 2/2 constraints, Known Traps: 6/6 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 919ms problems are : Problem set: 0 solved, 2 unsolved
Parikh walk visited 0 properties in 93 ms.
Support contains 40 out of 132 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 132/132 places, 114/114 transitions.
Applied a total of 0 rules in 4 ms. Remains 132 /132 variables (removed 0) and now considering 114/114 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 4 ms. Remains : 132/132 places, 114/114 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 132/132 places, 114/114 transitions.
Applied a total of 0 rules in 3 ms. Remains 132 /132 variables (removed 0) and now considering 114/114 (removed 0) transitions.
[2025-05-30 17:42:03] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-05-30 17:42:03] [INFO ] Implicit Places using invariants in 62 ms returned []
[2025-05-30 17:42:03] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-05-30 17:42:03] [INFO ] State equation strengthened by 26 read => feed constraints.
[2025-05-30 17:42:03] [INFO ] Implicit Places using invariants and state equation in 151 ms returned []
Implicit Place search using SMT with State Equation took 215 ms to find 0 implicit places.
Starting Z3 with timeout 200.0 s and query timeout 20000.0 ms
[2025-05-30 17:42:03] [INFO ] Redundant transitions in 4 ms returned []
Running 113 sub problems to find dead transitions.
[2025-05-30 17:42:03] [INFO ] Invariant cache hit.
[2025-05-30 17:42:03] [INFO ] State equation strengthened by 26 read => feed constraints.
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/131 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 113 unsolved
At refinement iteration 1 (OVERLAPS) 1/132 variables, 27/27 constraints. Problems are: Problem set: 0 solved, 113 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-30 17:42:04] [INFO ] Deduced a trap composed of 20 places in 35 ms of which 3 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-30 17:42:04] [INFO ] Deduced a trap composed of 22 places in 39 ms of which 2 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-30 17:42:04] [INFO ] Deduced a trap composed of 16 places in 52 ms of which 3 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-30 17:42:04] [INFO ] Deduced a trap composed of 21 places in 39 ms of which 3 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-30 17:42:04] [INFO ] Deduced a trap composed of 8 places in 29 ms of which 2 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-30 17:42:04] [INFO ] Deduced a trap composed of 12 places in 39 ms of which 4 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-30 17:42:04] [INFO ] Deduced a trap composed of 10 places in 24 ms of which 2 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-30 17:42:04] [INFO ] Deduced a trap composed of 13 places in 39 ms of which 2 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-30 17:42:04] [INFO ] Deduced a trap composed of 38 places in 45 ms of which 4 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-30 17:42:04] [INFO ] Deduced a trap composed of 11 places in 39 ms of which 4 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-30 17:42:04] [INFO ] Deduced a trap composed of 11 places in 62 ms of which 4 ms to minimize.
At refinement iteration 2 (INCLUDED_ONLY) 0/132 variables, 11/38 constraints. Problems are: Problem set: 0 solved, 113 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/132 variables, 0/38 constraints. Problems are: Problem set: 0 solved, 113 unsolved
At refinement iteration 4 (OVERLAPS) 114/246 variables, 132/170 constraints. Problems are: Problem set: 0 solved, 113 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/246 variables, 26/196 constraints. Problems are: Problem set: 0 solved, 113 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/246 variables, 0/196 constraints. Problems are: Problem set: 0 solved, 113 unsolved
At refinement iteration 7 (OVERLAPS) 0/246 variables, 0/196 constraints. Problems are: Problem set: 0 solved, 113 unsolved
No progress, stopping.
After SMT solving in domain Real declared 246/246 variables, and 196 constraints, problems are : Problem set: 0 solved, 113 unsolved in 4388 ms.
Refiners :[Positive P Invariants (semi-flows): 27/27 constraints, State Equation: 132/132 constraints, ReadFeed: 26/26 constraints, PredecessorRefiner: 113/113 constraints, Known Traps: 11/11 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 113 unsolved
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/131 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 113 unsolved
At refinement iteration 1 (OVERLAPS) 1/132 variables, 27/27 constraints. Problems are: Problem set: 0 solved, 113 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/132 variables, 11/38 constraints. Problems are: Problem set: 0 solved, 113 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-30 17:42:08] [INFO ] Deduced a trap composed of 18 places in 45 ms of which 3 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-30 17:42:08] [INFO ] Deduced a trap composed of 23 places in 45 ms of which 3 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-30 17:42:08] [INFO ] Deduced a trap composed of 25 places in 42 ms of which 3 ms to minimize.
At refinement iteration 3 (INCLUDED_ONLY) 0/132 variables, 3/41 constraints. Problems are: Problem set: 0 solved, 113 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/132 variables, 0/41 constraints. Problems are: Problem set: 0 solved, 113 unsolved
At refinement iteration 5 (OVERLAPS) 114/246 variables, 132/173 constraints. Problems are: Problem set: 0 solved, 113 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/246 variables, 26/199 constraints. Problems are: Problem set: 0 solved, 113 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/246 variables, 113/312 constraints. Problems are: Problem set: 0 solved, 113 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-30 17:42:10] [INFO ] Deduced a trap composed of 10 places in 56 ms of which 4 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-30 17:42:10] [INFO ] Deduced a trap composed of 13 places in 49 ms of which 3 ms to minimize.
At refinement iteration 8 (INCLUDED_ONLY) 0/246 variables, 2/314 constraints. Problems are: Problem set: 0 solved, 113 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-30 17:42:13] [INFO ] Deduced a trap along path composed of 17 places in 27 ms of which 1 ms to minimize.
At refinement iteration 9 (INCLUDED_ONLY) 0/246 variables, 1/315 constraints. Problems are: Problem set: 0 solved, 113 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/246 variables, 0/315 constraints. Problems are: Problem set: 0 solved, 113 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-30 17:42:22] [INFO ] Deduced a trap along path composed of 5 places in 21 ms of which 0 ms to minimize.
At refinement iteration 11 (OVERLAPS) 0/246 variables, 1/316 constraints. Problems are: Problem set: 0 solved, 113 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-30 17:42:27] [INFO ] Deduced a trap along path composed of 3 places in 16 ms of which 1 ms to minimize.
At refinement iteration 12 (INCLUDED_ONLY) 0/246 variables, 1/317 constraints. Problems are: Problem set: 0 solved, 113 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-30 17:42:30] [INFO ] Deduced a trap composed of 40 places in 36 ms of which 3 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-30 17:42:30] [INFO ] Deduced a trap composed of 41 places in 46 ms of which 3 ms to minimize.
At refinement iteration 13 (INCLUDED_ONLY) 0/246 variables, 2/319 constraints. Problems are: Problem set: 0 solved, 113 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-30 17:42:34] [INFO ] Deduced a trap along path composed of 5 places in 17 ms of which 1 ms to minimize.
At refinement iteration 14 (INCLUDED_ONLY) 0/246 variables, 1/320 constraints. Problems are: Problem set: 0 solved, 113 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 246/246 variables, and 320 constraints, problems are : Problem set: 0 solved, 113 unsolved in 30028 ms.
Refiners :[Positive P Invariants (semi-flows): 27/27 constraints, State Equation: 132/132 constraints, ReadFeed: 26/26 constraints, PredecessorRefiner: 113/113 constraints, Known Traps: 18/18 constraints, Known Traps Along Path: 4/4 constraints]
After SMT, in 34430ms problems are : Problem set: 0 solved, 113 unsolved
Search for dead transitions found 0 dead transitions in 34431ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 34661 ms. Remains : 132/132 places, 114/114 transitions.
Attempting over-approximation, by ignoring read arcs.
Graph (complete) has 197 edges and 132 vertex of which 121 are kept as prefixes of interest. Removing 11 places using SCC suffix rule.1 ms
Discarding 11 places :
Also discarding 0 output transitions
Drop transitions (Trivial Post-Agglo cleanup.) removed 10 transitions
Trivial Post-agglo rules discarded 10 transitions
Performed 10 trivial Post agglomeration. Transition count delta: 10
Iterating post reduction 0 with 10 rules applied. Total rules applied 11 place count 121 transition count 104
Reduce places removed 10 places and 0 transitions.
Performed 8 Post agglomeration using F-continuation condition.Transition count delta: 8
Iterating post reduction 1 with 18 rules applied. Total rules applied 29 place count 111 transition count 96
Reduce places removed 8 places and 0 transitions.
Iterating post reduction 2 with 8 rules applied. Total rules applied 37 place count 103 transition count 96
Performed 1 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 3 with 1 Pre rules applied. Total rules applied 37 place count 103 transition count 95
Deduced a syphon composed of 1 places in 4 ms
Reduce places removed 1 places and 0 transitions.
Iterating global reduction 3 with 2 rules applied. Total rules applied 39 place count 102 transition count 95
Performed 4 Post agglomeration using F-continuation condition.Transition count delta: 4
Deduced a syphon composed of 4 places in 0 ms
Reduce places removed 4 places and 0 transitions.
Iterating global reduction 3 with 8 rules applied. Total rules applied 47 place count 98 transition count 91
Applied a total of 47 rules in 17 ms. Remains 98 /132 variables (removed 34) and now considering 91/114 (removed 23) transitions.
Running SMT prover for 2 properties.
// Phase 1: matrix 91 rows 98 cols
[2025-05-30 17:42:37] [INFO ] Computed 16 invariants in 1 ms
Starting Z3 with timeout 450.0 s and query timeout 45000.0 ms
[2025-05-30 17:42:37] [INFO ] After 30ms SMT Verify possible using all constraints in real domain returned unsat :0 sat :0 real:2
Starting Z3 with timeout 450.0 s and query timeout 45000.0 ms
[2025-05-30 17:42:37] [INFO ] [Nat]Absence check using 16 positive place invariants in 3 ms returned sat
[2025-05-30 17:42:37] [INFO ] After 70ms SMT Verify possible using state equation in natural domain returned unsat :0 sat :2
TRAPS : Iteration 0
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-30 17:42:37] [INFO ] Deduced a trap composed of 20 places in 33 ms of which 4 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-30 17:42:37] [INFO ] Deduced a trap composed of 21 places in 30 ms of which 3 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-30 17:42:37] [INFO ] Deduced a trap composed of 21 places in 26 ms of which 2 ms to minimize.
[2025-05-30 17:42:38] [INFO ] Trap strengthening (SAT) tested/added 4/3 trap constraints in 121 ms
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-30 17:42:38] [INFO ] Deduced a trap composed of 15 places in 48 ms of which 5 ms to minimize.
[2025-05-30 17:42:38] [INFO ] Trap strengthening (SAT) tested/added 2/1 trap constraints in 57 ms
TRAPS : Iteration 1
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-30 17:42:38] [INFO ] Deduced a trap composed of 8 places in 27 ms of which 1 ms to minimize.
[2025-05-30 17:42:38] [INFO ] Trap strengthening (SAT) tested/added 2/1 trap constraints in 39 ms
TRAPS : Iteration 2
[2025-05-30 17:42:38] [INFO ] After 398ms SMT Verify possible using trap constraints in natural domain returned unsat :0 sat :2
[2025-05-30 17:42:38] [INFO ] After 485ms SMT Verify possible using all constraints in natural domain returned unsat :0 sat :2
[2025-05-30 17:42:38] [INFO ] Flatten gal took : 8 ms
[2025-05-30 17:42:38] [INFO ] Flatten gal took : 5 ms
[2025-05-30 17:42:38] [INFO ] Time to serialize gal into /tmp/ReachabilityCardinality8967307911969631153.gal : 1 ms
[2025-05-30 17:42:38] [INFO ] Time to serialize properties into /tmp/ReachabilityCardinality7591130366410877126.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/ReachabilityCardinality8967307911969631153.gal' '-t' 'CGAL' '-reachable-file' '/tmp/ReachabilityCardinality7591130366410877126.prop' '--nowitness' '--gen-order' 'FOLLOW'

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 ...328
Loading property file /tmp/ReachabilityCardinality7591130366410877126.prop.
SDD proceeding with computation,2 properties remain. new max is 4
SDD size :1 after 4
SDD proceeding with computation,2 properties remain. new max is 8
SDD size :4 after 7
SDD proceeding with computation,2 properties remain. new max is 16
SDD size :7 after 9
SDD proceeding with computation,2 properties remain. new max is 32
SDD size :9 after 100
SDD proceeding with computation,2 properties remain. new max is 64
SDD size :100 after 296693
SDD proceeding with computation,2 properties remain. new max is 128
SDD size :296693 after 9.81894e+08
SDD proceeding with computation,2 properties remain. new max is 256
SDD size :9.81894e+08 after 9.87143e+08
Reachability property AutoFlight-PT-05b-ReachabilityFireability-2025-14 is true.
Detected timeout of ITS tools.
[2025-05-30 17:42:53] [INFO ] Flatten gal took : 5 ms
[2025-05-30 17:42:53] [INFO ] Applying decomposition
[2025-05-30 17:42:53] [INFO ] Flatten gal took : 20 ms
Converted graph to binary with : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.louvain.binaries_1.0.0.202505121319/bin/convert-linux64' '-i' '/tmp/graph16921784511897626707.txt' '-o' '/tmp/graph16921784511897626707.bin' '-w' '/tmp/graph16921784511897626707.weights'
Built communities with : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.louvain.binaries_1.0.0.202505121319/bin/louvain-linux64' '/tmp/graph16921784511897626707.bin' '-l' '-1' '-v' '-w' '/tmp/graph16921784511897626707.weights' '-q' '0' '-e' '0.001'
[2025-05-30 17:42:53] [INFO ] Decomposing Gal with order
[2025-05-30 17:42:53] [INFO ] Rewriting arrays to variables to allow decomposition.
[2025-05-30 17:42:53] [INFO ] Removed a total of 16 redundant transitions.
[2025-05-30 17:42:53] [INFO ] Flatten gal took : 110 ms
[2025-05-30 17:42:53] [INFO ] Fuse similar labels procedure discarded/fused a total of 0 labels/synchronizations in 1 ms.
[2025-05-30 17:42:53] [INFO ] Time to serialize gal into /tmp/ReachabilityCardinality3124870694093339087.gal : 3 ms
[2025-05-30 17:42:53] [INFO ] Time to serialize properties into /tmp/ReachabilityCardinality9465184867278481171.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/ReachabilityCardinality3124870694093339087.gal' '-t' 'CGAL' '-reachable-file' '/tmp/ReachabilityCardinality9465184867278481171.prop' '--nowitness'

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 ...307
Loading property file /tmp/ReachabilityCardinality9465184867278481171.prop.
SDD proceeding with computation,1 properties remain. new max is 4
SDD size :1 after 1
SDD proceeding with computation,1 properties remain. new max is 8
SDD size :1 after 1
SDD proceeding with computation,1 properties remain. new max is 16
SDD size :1 after 17
SDD proceeding with computation,1 properties remain. new max is 32
SDD size :17 after 118682
Model ,|S| ,Time ,Mem(kb) ,fin. SDD ,fin. DDD ,peak SDD ,peak DDD ,SDD Hom ,SDD cache peak ,DDD Hom ,DDD cachepeak ,SHom cache
petri\_inst\_inst\_mod\_flat,5.35563e+09,0.032821,5268,238,31,1496,237,367,1366,68,416,0
Total reachable state count : 5355630421

Verifying 1 reachability properties.
Invariant property AutoFlight-PT-05b-ReachabilityFireability-2025-01 does not hold.

Model ,|S| ,Time ,Mem(kb) ,fin. SDD ,fin. DDD ,peak SDD ,peak DDD ,SDD Hom ,SDD cache peak ,DDD Hom ,DDD cachepeak ,SHom cache
AutoFlight-PT-05b-ReachabilityFireability-2025-01,9.86308e+07,0.036914,5268,113,31,1496,237,418,1366,76,416,1457
Over-approximation ignoring read arcs solved 0 properties in 15958 ms.
ITS runner timed out or was interrupted.
ITS tools runner thread asked to quit. Dying gracefully.
[2025-05-30 17:42:53] [INFO ] Flatten gal took : 25 ms
[2025-05-30 17:42:53] [INFO ] Applying decomposition
[2025-05-30 17:42:53] [INFO ] Flatten gal took : 24 ms
Converted graph to binary with : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.louvain.binaries_1.0.0.202505121319/bin/convert-linux64' '-i' '/tmp/graph11946689537792805730.txt' '-o' '/tmp/graph11946689537792805730.bin' '-w' '/tmp/graph11946689537792805730.weights'
Built communities with : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.louvain.binaries_1.0.0.202505121319/bin/louvain-linux64' '/tmp/graph11946689537792805730.bin' '-l' '-1' '-v' '-w' '/tmp/graph11946689537792805730.weights' '-q' '0' '-e' '0.001'
[2025-05-30 17:42:53] [INFO ] Decomposing Gal with order
[2025-05-30 17:42:53] [INFO ] Rewriting arrays to variables to allow decomposition.
[2025-05-30 17:42:53] [INFO ] Removed a total of 45 redundant transitions.
[2025-05-30 17:42:53] [INFO ] Flatten gal took : 81 ms
[2025-05-30 17:42:53] [INFO ] Fuse similar labels procedure discarded/fused a total of 0 labels/synchronizations in 10 ms.
[2025-05-30 17:42:53] [INFO ] Time to serialize gal into /tmp/ReachabilityCardinality9395609481731603540.gal : 19 ms
[2025-05-30 17:42:53] [INFO ] Time to serialize properties into /tmp/ReachabilityCardinality793356067078672917.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/ReachabilityCardinality9395609481731603540.gal' '-t' 'CGAL' '-reachable-file' '/tmp/ReachabilityCardinality793356067078672917.prop' '--nowitness'

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 ...306
Loading property file /tmp/ReachabilityCardinality793356067078672917.prop.
SDD proceeding with computation,2 properties remain. new max is 4
SDD size :1 after 1
SDD proceeding with computation,2 properties remain. new max is 8
SDD size :1 after 1
SDD proceeding with computation,2 properties remain. new max is 16
SDD size :1 after 14
SDD proceeding with computation,2 properties remain. new max is 32
SDD size :14 after 2.19859e+21
Model ,|S| ,Time ,Mem(kb) ,fin. SDD ,fin. DDD ,peak SDD ,peak DDD ,SDD Hom ,SDD cache peak ,DDD Hom ,DDD cachepeak ,SHom cache
petri\_inst\_inst\_mod\_flat,1.83818e+29,82.8503,1981024,89235,21,3.14432e+06,382,860,8.08275e+06,42,864,0
Total reachable state count : 183817953538989151995576713216

Verifying 2 reachability properties.
Invariant property AutoFlight-PT-05b-ReachabilityFireability-2025-01 does not hold.
FORMULA AutoFlight-PT-05b-ReachabilityFireability-2025-01 FALSE TECHNIQUES DECISION_DIAGRAMS TOPOLOGICAL COLLATERAL_PROCESSING USE_NUPN

Model ,|S| ,Time ,Mem(kb) ,fin. SDD ,fin. DDD ,peak SDD ,peak DDD ,SDD Hom ,SDD cache peak ,DDD Hom ,DDD cachepeak ,SHom cache
AutoFlight-PT-05b-ReachabilityFireability-2025-01,3.89364e+26,84.8966,1981024,8493,22,3.14432e+06,382,903,8.08275e+06,49,864,816463
Reachability property AutoFlight-PT-05b-ReachabilityFireability-2025-14 is true.
FORMULA AutoFlight-PT-05b-ReachabilityFireability-2025-14 TRUE TECHNIQUES DECISION_DIAGRAMS TOPOLOGICAL COLLATERAL_PROCESSING USE_NUPN

Model ,|S| ,Time ,Mem(kb) ,fin. SDD ,fin. DDD ,peak SDD ,peak DDD ,SDD Hom ,SDD cache peak ,DDD Hom ,DDD cachepeak ,SHom cache
AutoFlight-PT-05b-ReachabilityFireability-2025-14,4.64338e+20,84.9552,1981024,236,19,3.14432e+06,382,911,8.08275e+06,49,864,825603
All properties solved without resorting to model-checking.
Total runtime 163228 ms.

BK_STOP 1748627059354

--------------------
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="AutoFlight-PT-05b"
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 AutoFlight-PT-05b, 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 r002-tall-174853729400519"
echo "====================================================================="
echo
echo "--------------------"
echo "preparation of the directory to be used:"

tar xzf /home/mcc/BenchKit/INPUTS/AutoFlight-PT-05b.tgz
mv AutoFlight-PT-05b 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 ;