About the Execution of ITS-Tools for DES-PT-30b
| Execution Summary | |||||
| Max Memory Used (MB) |
Time wait (ms) | CPU Usage (ms) | I/O Wait (ms) | Computed Result | Execution Status |
| 0.000 | 3600000.00 | 0.00 | 0.00 | TFF??FFFFFF?FFFF | normal |
Execution Chart
Sorry, for this execution, no execution chart could be reported.
Trace from the execution
Formatting '/data/fkordon/mcc2025-input.r058-smll-174854063900324.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 DES-PT-30b, examination is LTLFireability
Time confinement is 3600 seconds
Memory confinement is 16384 MBytes
Number of cores is 4
Run identifier is r058-smll-174854063900324
=====================================================================
--------------------
preparation of the directory to be used:
/home/mcc/execution
total 560K
-rw-r--r-- 1 mcc users 7.3K May 29 14:47 CTLCardinality.txt
-rw-r--r-- 1 mcc users 83K May 29 14:47 CTLCardinality.xml
-rw-r--r-- 1 mcc users 5.4K May 29 14:47 CTLFireability.txt
-rw-r--r-- 1 mcc users 50K May 29 14:47 CTLFireability.xml
-rw-r--r-- 1 mcc users 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 3.6K May 29 14:47 LTLCardinality.txt
-rw-r--r-- 1 mcc users 29K May 29 14:47 LTLCardinality.xml
-rw-r--r-- 1 mcc users 2.1K May 29 14:47 LTLFireability.txt
-rw-r--r-- 1 mcc users 19K May 29 14:47 LTLFireability.xml
-rw-r--r-- 1 mcc users 12K May 29 14:47 ReachabilityCardinality.txt
-rw-r--r-- 1 mcc users 124K May 29 14:47 ReachabilityCardinality.xml
-rw-r--r-- 1 mcc users 7.6K May 29 14:47 ReachabilityFireability.txt
-rw-r--r-- 1 mcc users 64K May 29 14:47 ReachabilityFireability.xml
-rw-r--r-- 1 mcc users 1.5K May 29 14:47 UpperBounds.txt
-rw-r--r-- 1 mcc users 3.5K May 29 14:47 UpperBounds.xml
-rw-r--r-- 1 mcc users 6 May 29 14:32 equiv_col
-rw-r--r-- 1 mcc users 4 May 29 14:32 instance
-rw-r--r-- 1 mcc users 6 May 29 14:32 iscolored
-rw-r--r-- 1 mcc users 103K 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 DES-PT-30b-LTLFireability-00
FORMULA_NAME DES-PT-30b-LTLFireability-01
FORMULA_NAME DES-PT-30b-LTLFireability-02
FORMULA_NAME DES-PT-30b-LTLFireability-03
FORMULA_NAME DES-PT-30b-LTLFireability-04
FORMULA_NAME DES-PT-30b-LTLFireability-05
FORMULA_NAME DES-PT-30b-LTLFireability-06
FORMULA_NAME DES-PT-30b-LTLFireability-07
FORMULA_NAME DES-PT-30b-LTLFireability-08
FORMULA_NAME DES-PT-30b-LTLFireability-09
FORMULA_NAME DES-PT-30b-LTLFireability-10
FORMULA_NAME DES-PT-30b-LTLFireability-11
FORMULA_NAME DES-PT-30b-LTLFireability-12
FORMULA_NAME DES-PT-30b-LTLFireability-13
FORMULA_NAME DES-PT-30b-LTLFireability-14
FORMULA_NAME DES-PT-30b-LTLFireability-15
=== Now, execution of the tool begins
BK_START 1748716645962
Invoking MCC driver with
BK_TOOL=itstools
BK_EXAMINATION=LTLFireability
BK_BIN_PATH=/home/mcc/BenchKit/bin/
BK_TIME_CONFINEMENT=3600
BK_INPUT=DES-PT-30b
BK_MEMORY_CONFINEMENT=16384
Not applying reductions.
Model is PT
LTLFireability PT
Running Version 202505121319
[2025-05-31 18:37:28] [INFO ] Running its-tools with arguments : [-pnfolder, /home/mcc/execution, -examination, LTLFireability, -its, -ltsmin, -greatspnpath, /home/mcc/BenchKit/bin//../itstools/bin//..//greatspn/, -order, META, -manyOrder, -smt, -timeout, 3600]
[2025-05-31 18:37:28] [INFO ] Parsing pnml file : /home/mcc/execution/model.pnml
[2025-05-31 18:37:28] [INFO ] Load time of PNML (sax parser for PT used): 138 ms
[2025-05-31 18:37:28] [INFO ] Transformed 399 places.
[2025-05-31 18:37:28] [INFO ] Transformed 350 transitions.
[2025-05-31 18:37:28] [INFO ] Found NUPN structural information;
[2025-05-31 18:37:28] [INFO ] Parsed PT model containing 399 places and 350 transitions and 1143 arcs in 311 ms.
Parsed 16 properties from file /home/mcc/execution/LTLFireability.xml in 14 ms.
Working with output stream class java.io.PrintStream
Support contains 55 out of 399 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 399/399 places, 350/350 transitions.
Reduce places removed 3 places and 0 transitions.
Iterating post reduction 0 with 3 rules applied. Total rules applied 3 place count 396 transition count 350
Discarding 20 places :
Symmetric choice reduction at 1 with 20 rule applications. Total rules 23 place count 376 transition count 330
Iterating global reduction 1 with 20 rules applied. Total rules applied 43 place count 376 transition count 330
Discarding 9 places :
Symmetric choice reduction at 1 with 9 rule applications. Total rules 52 place count 367 transition count 321
Iterating global reduction 1 with 9 rules applied. Total rules applied 61 place count 367 transition count 321
Ensure Unique test removed 7 transitions
Reduce isomorphic transitions removed 7 transitions.
Iterating post reduction 1 with 7 rules applied. Total rules applied 68 place count 367 transition count 314
Applied a total of 68 rules in 144 ms. Remains 367 /399 variables (removed 32) and now considering 314/350 (removed 36) transitions.
// Phase 1: matrix 314 rows 367 cols
[2025-05-31 18:37:28] [INFO ] Computed 62 invariants in 51 ms
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-05-31 18:37:29] [INFO ] Implicit Places using invariants in 700 ms returned []
[2025-05-31 18:37:29] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-05-31 18:37:30] [INFO ] Implicit Places using invariants and state equation in 918 ms returned []
Implicit Place search using SMT with State Equation took 1666 ms to find 0 implicit places.
Running 313 sub problems to find dead transitions.
[2025-05-31 18:37:30] [INFO ] Invariant cache hit.
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/366 variables, 15/15 constraints. Problems are: Problem set: 0 solved, 313 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/366 variables, 0/15 constraints. Problems are: Problem set: 0 solved, 313 unsolved
At refinement iteration 2 (OVERLAPS) 1/367 variables, 33/48 constraints. Problems are: Problem set: 0 solved, 313 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/367 variables, 14/62 constraints. Problems are: Problem set: 0 solved, 313 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/367 variables, 0/62 constraints. Problems are: Problem set: 0 solved, 313 unsolved
At refinement iteration 5 (OVERLAPS) 314/681 variables, 367/429 constraints. Problems are: Problem set: 0 solved, 313 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 18:37:39] [INFO ] Deduced a trap composed of 10 places in 204 ms of which 19 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 18:37:40] [INFO ] Deduced a trap composed of 20 places in 107 ms of which 13 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 18:37:40] [INFO ] Deduced a trap composed of 29 places in 76 ms of which 8 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 18:37:40] [INFO ] Deduced a trap composed of 12 places in 120 ms of which 9 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 18:37:40] [INFO ] Deduced a trap composed of 13 places in 140 ms of which 9 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 18:37:40] [INFO ] Deduced a trap composed of 13 places in 204 ms of which 14 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 18:37:41] [INFO ] Deduced a trap composed of 25 places in 289 ms of which 18 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 18:37:41] [INFO ] Deduced a trap composed of 21 places in 215 ms of which 28 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 18:37:41] [INFO ] Deduced a trap composed of 25 places in 112 ms of which 14 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 18:37:41] [INFO ] Deduced a trap composed of 29 places in 136 ms of which 7 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 18:37:42] [INFO ] Deduced a trap composed of 14 places in 103 ms of which 7 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 18:37:42] [INFO ] Deduced a trap composed of 23 places in 98 ms of which 6 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 18:37:42] [INFO ] Deduced a trap composed of 17 places in 98 ms of which 6 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 18:37:42] [INFO ] Deduced a trap composed of 23 places in 138 ms of which 16 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 18:37:42] [INFO ] Deduced a trap composed of 14 places in 80 ms of which 7 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 18:37:42] [INFO ] Deduced a trap composed of 18 places in 73 ms of which 7 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 18:37:42] [INFO ] Deduced a trap composed of 27 places in 68 ms of which 6 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 18:37:43] [INFO ] Deduced a trap composed of 18 places in 65 ms of which 8 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 18:37:43] [INFO ] Deduced a trap composed of 19 places in 67 ms of which 7 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 18:37:43] [INFO ] Deduced a trap composed of 20 places in 75 ms of which 9 ms to minimize.
At refinement iteration 6 (INCLUDED_ONLY) 0/681 variables, 20/449 constraints. Problems are: Problem set: 0 solved, 313 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 18:37:49] [INFO ] Deduced a trap composed of 14 places in 96 ms of which 6 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 18:37:49] [INFO ] Deduced a trap composed of 15 places in 75 ms of which 7 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 18:37:49] [INFO ] Deduced a trap composed of 16 places in 93 ms of which 18 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 18:37:49] [INFO ] Deduced a trap composed of 19 places in 81 ms of which 6 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 18:37:49] [INFO ] Deduced a trap composed of 16 places in 75 ms of which 7 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 18:37:49] [INFO ] Deduced a trap composed of 17 places in 65 ms of which 7 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 18:37:49] [INFO ] Deduced a trap composed of 20 places in 69 ms of which 5 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 18:37:49] [INFO ] Deduced a trap composed of 17 places in 69 ms of which 8 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 18:37:50] [INFO ] Deduced a trap composed of 18 places in 68 ms of which 6 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 18:37:50] [INFO ] Deduced a trap composed of 21 places in 64 ms of which 6 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 18:37:50] [INFO ] Deduced a trap composed of 18 places in 70 ms of which 8 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 18:37:50] [INFO ] Deduced a trap composed of 19 places in 66 ms of which 7 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 18:37:50] [INFO ] Deduced a trap composed of 21 places in 64 ms of which 6 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 18:37:50] [INFO ] Deduced a trap composed of 22 places in 66 ms of which 6 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 18:37:50] [INFO ] Deduced a trap composed of 19 places in 67 ms of which 8 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 18:37:50] [INFO ] Deduced a trap composed of 20 places in 62 ms of which 7 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 18:37:50] [INFO ] Deduced a trap composed of 22 places in 62 ms of which 6 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 18:37:50] [INFO ] Deduced a trap composed of 23 places in 59 ms of which 5 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 18:37:50] [INFO ] Deduced a trap composed of 20 places in 61 ms of which 7 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 18:37:50] [INFO ] Deduced a trap composed of 21 places in 59 ms of which 6 ms to minimize.
At refinement iteration 7 (INCLUDED_ONLY) 0/681 variables, 20/469 constraints. Problems are: Problem set: 0 solved, 313 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 18:37:52] [INFO ] Deduced a trap composed of 20 places in 119 ms of which 10 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 18:37:52] [INFO ] Deduced a trap composed of 21 places in 123 ms of which 14 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 18:37:52] [INFO ] Deduced a trap composed of 24 places in 113 ms of which 9 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 18:37:53] [INFO ] Deduced a trap composed of 17 places in 84 ms of which 7 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 18:37:53] [INFO ] Deduced a trap composed of 18 places in 84 ms of which 8 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 18:37:54] [INFO ] Deduced a trap composed of 8 places in 164 ms of which 10 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 18:37:54] [INFO ] Deduced a trap composed of 12 places in 156 ms of which 14 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 18:37:54] [INFO ] Deduced a trap composed of 14 places in 142 ms of which 13 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 18:37:57] [INFO ] Deduced a trap composed of 43 places in 116 ms of which 15 ms to minimize.
At refinement iteration 8 (INCLUDED_ONLY) 0/681 variables, 9/478 constraints. Problems are: Problem set: 0 solved, 313 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 18:37:59] [INFO ] Deduced a trap composed of 21 places in 65 ms of which 6 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 18:37:59] [INFO ] Deduced a trap composed of 22 places in 63 ms of which 7 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 18:37:59] [INFO ] Deduced a trap composed of 22 places in 60 ms of which 7 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 18:37:59] [INFO ] Deduced a trap composed of 23 places in 61 ms of which 6 ms to minimize.
Solver is answering 'unknown', stopping.
After SMT solving in domain Real declared 681/681 variables, and 482 constraints, problems are : Problem set: 0 solved, 313 unsolved in 30032 ms.
Refiners :[Positive P Invariants (semi-flows): 33/33 constraints, Generalized P Invariants (flows): 29/29 constraints, State Equation: 367/367 constraints, PredecessorRefiner: 313/313 constraints, Known Traps: 53/53 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 313 unsolved
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/366 variables, 15/15 constraints. Problems are: Problem set: 0 solved, 313 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/366 variables, 0/15 constraints. Problems are: Problem set: 0 solved, 313 unsolved
At refinement iteration 2 (OVERLAPS) 1/367 variables, 33/48 constraints. Problems are: Problem set: 0 solved, 313 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/367 variables, 14/62 constraints. Problems are: Problem set: 0 solved, 313 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/367 variables, 53/115 constraints. Problems are: Problem set: 0 solved, 313 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 18:38:05] [INFO ] Deduced a trap composed of 23 places in 53 ms of which 4 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 18:38:05] [INFO ] Deduced a trap composed of 24 places in 51 ms of which 4 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 18:38:05] [INFO ] Deduced a trap composed of 7 places in 116 ms of which 6 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 18:38:05] [INFO ] Deduced a trap composed of 12 places in 102 ms of which 8 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 18:38:06] [INFO ] Deduced a trap composed of 13 places in 60 ms of which 5 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 18:38:06] [INFO ] Deduced a trap composed of 9 places in 64 ms of which 6 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 18:38:06] [INFO ] Deduced a trap composed of 14 places in 56 ms of which 5 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 18:38:06] [INFO ] Deduced a trap composed of 10 places in 72 ms of which 6 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 18:38:06] [INFO ] Deduced a trap composed of 16 places in 58 ms of which 5 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 18:38:06] [INFO ] Deduced a trap composed of 21 places in 64 ms of which 6 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 18:38:06] [INFO ] Deduced a trap composed of 11 places in 59 ms of which 5 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 18:38:06] [INFO ] Deduced a trap composed of 14 places in 54 ms of which 3 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 18:38:06] [INFO ] Deduced a trap composed of 23 places in 37 ms of which 2 ms to minimize.
At refinement iteration 5 (INCLUDED_ONLY) 0/367 variables, 13/128 constraints. Problems are: Problem set: 0 solved, 313 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 18:38:10] [INFO ] Deduced a trap composed of 30 places in 59 ms of which 8 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 18:38:10] [INFO ] Deduced a trap composed of 21 places in 66 ms of which 9 ms to minimize.
At refinement iteration 6 (INCLUDED_ONLY) 0/367 variables, 2/130 constraints. Problems are: Problem set: 0 solved, 313 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 18:38:12] [INFO ] Deduced a trap composed of 23 places in 34 ms of which 2 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 18:38:12] [INFO ] Deduced a trap composed of 26 places in 77 ms of which 6 ms to minimize.
At refinement iteration 7 (INCLUDED_ONLY) 0/367 variables, 2/132 constraints. Problems are: Problem set: 0 solved, 313 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/367 variables, 0/132 constraints. Problems are: Problem set: 0 solved, 313 unsolved
At refinement iteration 9 (OVERLAPS) 314/681 variables, 367/499 constraints. Problems are: Problem set: 0 solved, 313 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/681 variables, 313/812 constraints. Problems are: Problem set: 0 solved, 313 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 681/681 variables, and 812 constraints, problems are : Problem set: 0 solved, 313 unsolved in 30024 ms.
Refiners :[Positive P Invariants (semi-flows): 33/33 constraints, Generalized P Invariants (flows): 29/29 constraints, State Equation: 367/367 constraints, PredecessorRefiner: 313/313 constraints, Known Traps: 70/70 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 60265ms problems are : Problem set: 0 solved, 313 unsolved
Search for dead transitions found 0 dead transitions in 60285ms
Starting structural reductions in LTL mode, iteration 1 : 367/399 places, 314/350 transitions.
Finished structural reductions in LTL mode , in 1 iterations and 62124 ms. Remains : 367/399 places, 314/350 transitions.
Support contains 55 out of 367 places after structural reductions.
[2025-05-31 18:38:31] [INFO ] Flatten gal took : 91 ms
[2025-05-31 18:38:31] [INFO ] Flatten gal took : 40 ms
[2025-05-31 18:38:31] [INFO ] Input system was already deterministic with 314 transitions.
RANDOM walk for 40000 steps (351 resets) in 3142 ms. (12 steps per ms) remains 15/40 properties
BEST_FIRST walk for 4004 steps (8 resets) in 42 ms. (93 steps per ms) remains 15/15 properties
BEST_FIRST walk for 4004 steps (8 resets) in 43 ms. (91 steps per ms) remains 15/15 properties
BEST_FIRST walk for 4003 steps (8 resets) in 38 ms. (102 steps per ms) remains 15/15 properties
BEST_FIRST walk for 4003 steps (8 resets) in 46 ms. (85 steps per ms) remains 15/15 properties
BEST_FIRST walk for 4003 steps (8 resets) in 48 ms. (81 steps per ms) remains 15/15 properties
BEST_FIRST walk for 4004 steps (8 resets) in 48 ms. (81 steps per ms) remains 15/15 properties
BEST_FIRST walk for 4003 steps (8 resets) in 56 ms. (70 steps per ms) remains 15/15 properties
BEST_FIRST walk for 4004 steps (8 resets) in 43 ms. (91 steps per ms) remains 15/15 properties
BEST_FIRST walk for 4004 steps (8 resets) in 28 ms. (138 steps per ms) remains 15/15 properties
BEST_FIRST walk for 4003 steps (8 resets) in 16 ms. (235 steps per ms) remains 15/15 properties
BEST_FIRST walk for 4004 steps (8 resets) in 29 ms. (133 steps per ms) remains 15/15 properties
BEST_FIRST walk for 4004 steps (8 resets) in 16 ms. (235 steps per ms) remains 15/15 properties
BEST_FIRST walk for 4003 steps (8 resets) in 17 ms. (222 steps per ms) remains 15/15 properties
BEST_FIRST walk for 4003 steps (8 resets) in 20 ms. (190 steps per ms) remains 15/15 properties
BEST_FIRST walk for 4004 steps (8 resets) in 12 ms. (308 steps per ms) remains 15/15 properties
[2025-05-31 18:38:32] [INFO ] Invariant cache hit.
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) 0/21 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 15 unsolved
At refinement iteration 1 (OVERLAPS) 38/59 variables, 7/7 constraints. Problems are: Problem set: 0 solved, 15 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/59 variables, 0/7 constraints. Problems are: Problem set: 0 solved, 15 unsolved
At refinement iteration 3 (OVERLAPS) 123/182 variables, 26/33 constraints. Problems are: Problem set: 0 solved, 15 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/182 variables, 0/33 constraints. Problems are: Problem set: 0 solved, 15 unsolved
At refinement iteration 5 (OVERLAPS) 167/349 variables, 27/60 constraints. Problems are: Problem set: 0 solved, 15 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/349 variables, 0/60 constraints. Problems are: Problem set: 0 solved, 15 unsolved
At refinement iteration 7 (OVERLAPS) 4/353 variables, 2/62 constraints. Problems are: Problem set: 0 solved, 15 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/353 variables, 0/62 constraints. Problems are: Problem set: 0 solved, 15 unsolved
At refinement iteration 9 (OVERLAPS) 303/656 variables, 353/415 constraints. Problems are: Problem set: 0 solved, 15 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 18:38:33] [INFO ] Deduced a trap composed of 9 places in 198 ms of which 15 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 18:38:33] [INFO ] Deduced a trap composed of 18 places in 188 ms of which 19 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 18:38:34] [INFO ] Deduced a trap composed of 19 places in 139 ms of which 17 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 18:38:34] [INFO ] Deduced a trap composed of 20 places in 184 ms of which 20 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 18:38:34] [INFO ] Deduced a trap composed of 20 places in 169 ms of which 18 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 18:38:34] [INFO ] Deduced a trap composed of 29 places in 140 ms of which 21 ms to minimize.
At refinement iteration 10 (INCLUDED_ONLY) 0/656 variables, 6/421 constraints. Problems are: Problem set: 0 solved, 15 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/656 variables, 0/421 constraints. Problems are: Problem set: 0 solved, 15 unsolved
Problem AtomicPropp22 is UNSAT
At refinement iteration 12 (OVERLAPS) 20/676 variables, 11/432 constraints. Problems are: Problem set: 1 solved, 14 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 18:38:35] [INFO ] Deduced a trap composed of 15 places in 69 ms of which 8 ms to minimize.
At refinement iteration 13 (INCLUDED_ONLY) 0/676 variables, 1/433 constraints. Problems are: Problem set: 1 solved, 14 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 18:38:36] [INFO ] Deduced a trap composed of 15 places in 125 ms of which 15 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 18:38:36] [INFO ] Deduced a trap composed of 17 places in 154 ms of which 16 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 18:38:36] [INFO ] Deduced a trap composed of 27 places in 137 ms of which 18 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 18:38:37] [INFO ] Deduced a trap composed of 16 places in 146 ms of which 18 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 18:38:37] [INFO ] Deduced a trap composed of 18 places in 136 ms of which 17 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 18:38:37] [INFO ] Deduced a trap composed of 28 places in 147 ms of which 13 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 18:38:37] [INFO ] Deduced a trap composed of 17 places in 135 ms of which 16 ms to minimize.
SMT process timed out in 5079ms, After SMT, problems are : Problem set: 1 solved, 14 unsolved
Skipping Parikh replay, no witness traces provided.
Support contains 19 out of 367 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 367/367 places, 314/314 transitions.
Graph (complete) has 799 edges and 367 vertex of which 360 are kept as prefixes of interest. Removing 7 places using SCC suffix rule.2 ms
Discarding 7 places :
Also discarding 4 output transitions
Drop transitions (Output transitions of discarded places.) removed 4 transitions
Drop transitions (Empty/Sink Transition effects.) removed 2 transitions
Reduce isomorphic transitions removed 2 transitions.
Drop transitions (Trivial Post-Agglo cleanup.) removed 15 transitions
Trivial Post-agglo rules discarded 15 transitions
Performed 15 trivial Post agglomeration. Transition count delta: 15
Iterating post reduction 0 with 17 rules applied. Total rules applied 18 place count 360 transition count 293
Reduce places removed 15 places and 0 transitions.
Ensure Unique test removed 1 transitions
Reduce isomorphic transitions removed 1 transitions.
Iterating post reduction 1 with 16 rules applied. Total rules applied 34 place count 345 transition count 292
Performed 10 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 2 with 10 Pre rules applied. Total rules applied 34 place count 345 transition count 282
Deduced a syphon composed of 10 places in 1 ms
Reduce places removed 10 places and 0 transitions.
Iterating global reduction 2 with 20 rules applied. Total rules applied 54 place count 335 transition count 282
Discarding 6 places :
Symmetric choice reduction at 2 with 6 rule applications. Total rules 60 place count 329 transition count 276
Iterating global reduction 2 with 6 rules applied. Total rules applied 66 place count 329 transition count 276
Ensure Unique test removed 2 transitions
Reduce isomorphic transitions removed 2 transitions.
Iterating post reduction 2 with 2 rules applied. Total rules applied 68 place count 329 transition count 274
Performed 1 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 3 with 1 Pre rules applied. Total rules applied 68 place count 329 transition count 273
Deduced a syphon composed of 1 places in 1 ms
Reduce places removed 1 places and 0 transitions.
Iterating global reduction 3 with 2 rules applied. Total rules applied 70 place count 328 transition count 273
Discarding 4 places :
Symmetric choice reduction at 3 with 4 rule applications. Total rules 74 place count 324 transition count 269
Iterating global reduction 3 with 4 rules applied. Total rules applied 78 place count 324 transition count 269
Ensure Unique test removed 3 transitions
Reduce isomorphic transitions removed 3 transitions.
Iterating post reduction 3 with 3 rules applied. Total rules applied 81 place count 324 transition count 266
Performed 2 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 4 with 2 Pre rules applied. Total rules applied 81 place count 324 transition count 264
Deduced a syphon composed of 2 places in 1 ms
Reduce places removed 2 places and 0 transitions.
Iterating global reduction 4 with 4 rules applied. Total rules applied 85 place count 322 transition count 264
Performed 73 Post agglomeration using F-continuation condition.Transition count delta: 73
Deduced a syphon composed of 73 places in 1 ms
Reduce places removed 73 places and 0 transitions.
Iterating global reduction 4 with 146 rules applied. Total rules applied 231 place count 249 transition count 191
Performed 2 Post agglomeration using F-continuation condition.Transition count delta: -5
Deduced a syphon composed of 2 places in 0 ms
Reduce places removed 2 places and 0 transitions.
Iterating global reduction 4 with 4 rules applied. Total rules applied 235 place count 247 transition count 196
Free-agglomeration rule (complex) applied 1 times.
Iterating global reduction 4 with 1 rules applied. Total rules applied 236 place count 247 transition count 195
Reduce places removed 1 places and 0 transitions.
Iterating post reduction 4 with 1 rules applied. Total rules applied 237 place count 246 transition count 195
Reduce places removed 1 places and 1 transitions.
Iterating global reduction 5 with 1 rules applied. Total rules applied 238 place count 245 transition count 194
Reduce places removed 1 places and 0 transitions.
Iterating post reduction 5 with 1 rules applied. Total rules applied 239 place count 244 transition count 194
Applied a total of 239 rules in 184 ms. Remains 244 /367 variables (removed 123) and now considering 194/314 (removed 120) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 184 ms. Remains : 244/367 places, 194/314 transitions.
RANDOM walk for 40000 steps (1542 resets) in 982 ms. (40 steps per ms) remains 14/14 properties
BEST_FIRST walk for 40004 steps (270 resets) in 201 ms. (198 steps per ms) remains 14/14 properties
BEST_FIRST walk for 40003 steps (291 resets) in 181 ms. (219 steps per ms) remains 14/14 properties
BEST_FIRST walk for 40004 steps (283 resets) in 172 ms. (231 steps per ms) remains 14/14 properties
BEST_FIRST walk for 40004 steps (269 resets) in 160 ms. (248 steps per ms) remains 14/14 properties
BEST_FIRST walk for 40004 steps (296 resets) in 168 ms. (236 steps per ms) remains 14/14 properties
BEST_FIRST walk for 40003 steps (259 resets) in 166 ms. (239 steps per ms) remains 14/14 properties
BEST_FIRST walk for 40003 steps (290 resets) in 143 ms. (277 steps per ms) remains 14/14 properties
BEST_FIRST walk for 40003 steps (275 resets) in 156 ms. (254 steps per ms) remains 14/14 properties
BEST_FIRST walk for 40003 steps (271 resets) in 146 ms. (272 steps per ms) remains 14/14 properties
BEST_FIRST walk for 40004 steps (288 resets) in 122 ms. (325 steps per ms) remains 14/14 properties
BEST_FIRST walk for 40004 steps (298 resets) in 169 ms. (235 steps per ms) remains 14/14 properties
BEST_FIRST walk for 40003 steps (294 resets) in 169 ms. (235 steps per ms) remains 14/14 properties
BEST_FIRST walk for 40004 steps (290 resets) in 118 ms. (336 steps per ms) remains 14/14 properties
BEST_FIRST walk for 40003 steps (291 resets) in 167 ms. (238 steps per ms) remains 14/14 properties
Interrupted probabilistic random walk after 479337 steps, run timeout after 3001 ms. (steps per millisecond=159 ) properties seen :0 out of 14
Probabilistic random walk after 479337 steps, saw 75569 distinct states, run finished after 3009 ms. (steps per millisecond=159 ) properties seen :0
// Phase 1: matrix 194 rows 244 cols
[2025-05-31 18:38:41] [INFO ] Computed 60 invariants in 8 ms
[2025-05-31 18:38:41] [INFO ] State equation strengthened by 8 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) 0/19 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 14 unsolved
At refinement iteration 1 (OVERLAPS) 19/38 variables, 7/7 constraints. Problems are: Problem set: 0 solved, 14 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/38 variables, 0/7 constraints. Problems are: Problem set: 0 solved, 14 unsolved
At refinement iteration 3 (OVERLAPS) 73/111 variables, 28/35 constraints. Problems are: Problem set: 0 solved, 14 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/111 variables, 0/35 constraints. Problems are: Problem set: 0 solved, 14 unsolved
At refinement iteration 5 (OVERLAPS) 104/215 variables, 24/59 constraints. Problems are: Problem set: 0 solved, 14 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/215 variables, 0/59 constraints. Problems are: Problem set: 0 solved, 14 unsolved
At refinement iteration 7 (OVERLAPS) 1/216 variables, 1/60 constraints. Problems are: Problem set: 0 solved, 14 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/216 variables, 0/60 constraints. Problems are: Problem set: 0 solved, 14 unsolved
At refinement iteration 9 (OVERLAPS) 194/410 variables, 216/276 constraints. Problems are: Problem set: 0 solved, 14 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/410 variables, 8/284 constraints. Problems are: Problem set: 0 solved, 14 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/410 variables, 0/284 constraints. Problems are: Problem set: 0 solved, 14 unsolved
At refinement iteration 12 (OVERLAPS) 28/438 variables, 28/312 constraints. Problems are: Problem set: 0 solved, 14 unsolved
At refinement iteration 13 (INCLUDED_ONLY) 0/438 variables, 0/312 constraints. Problems are: Problem set: 0 solved, 14 unsolved
At refinement iteration 14 (OVERLAPS) 0/438 variables, 0/312 constraints. Problems are: Problem set: 0 solved, 14 unsolved
No progress, stopping.
After SMT solving in domain Real declared 438/438 variables, and 312 constraints, problems are : Problem set: 0 solved, 14 unsolved in 1743 ms.
Refiners :[Positive P Invariants (semi-flows): 36/36 constraints, Generalized P Invariants (flows): 24/24 constraints, State Equation: 244/244 constraints, ReadFeed: 8/8 constraints, PredecessorRefiner: 14/14 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 14 unsolved
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/19 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 14 unsolved
At refinement iteration 1 (OVERLAPS) 19/38 variables, 7/7 constraints. Problems are: Problem set: 0 solved, 14 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/38 variables, 0/7 constraints. Problems are: Problem set: 0 solved, 14 unsolved
At refinement iteration 3 (OVERLAPS) 73/111 variables, 28/35 constraints. Problems are: Problem set: 0 solved, 14 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/111 variables, 0/35 constraints. Problems are: Problem set: 0 solved, 14 unsolved
At refinement iteration 5 (OVERLAPS) 104/215 variables, 24/59 constraints. Problems are: Problem set: 0 solved, 14 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/215 variables, 0/59 constraints. Problems are: Problem set: 0 solved, 14 unsolved
At refinement iteration 7 (OVERLAPS) 1/216 variables, 1/60 constraints. Problems are: Problem set: 0 solved, 14 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/216 variables, 0/60 constraints. Problems are: Problem set: 0 solved, 14 unsolved
At refinement iteration 9 (OVERLAPS) 194/410 variables, 216/276 constraints. Problems are: Problem set: 0 solved, 14 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/410 variables, 8/284 constraints. Problems are: Problem set: 0 solved, 14 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/410 variables, 12/296 constraints. Problems are: Problem set: 0 solved, 14 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 18:38:46] [INFO ] Deduced a trap composed of 19 places in 71 ms of which 9 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 18:38:47] [INFO ] Deduced a trap composed of 14 places in 97 ms of which 9 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 18:38:48] [INFO ] Deduced a trap composed of 14 places in 118 ms of which 14 ms to minimize.
At refinement iteration 12 (INCLUDED_ONLY) 0/410 variables, 3/299 constraints. Problems are: Problem set: 0 solved, 14 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 18:38:51] [INFO ] Deduced a trap composed of 11 places in 88 ms of which 5 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 18:38:52] [INFO ] Deduced a trap composed of 4 places in 49 ms of which 4 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 18:38:52] [INFO ] Deduced a trap composed of 16 places in 94 ms of which 10 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 18:38:53] [INFO ] Deduced a trap composed of 4 places in 75 ms of which 6 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 18:38:54] [INFO ] Deduced a trap composed of 19 places in 105 ms of which 10 ms to minimize.
At refinement iteration 13 (INCLUDED_ONLY) 0/410 variables, 5/304 constraints. Problems are: Problem set: 0 solved, 14 unsolved
At refinement iteration 14 (INCLUDED_ONLY) 0/410 variables, 0/304 constraints. Problems are: Problem set: 0 solved, 14 unsolved
At refinement iteration 15 (OVERLAPS) 28/438 variables, 28/332 constraints. Problems are: Problem set: 0 solved, 14 unsolved
At refinement iteration 16 (INCLUDED_ONLY) 0/438 variables, 2/334 constraints. Problems are: Problem set: 0 solved, 14 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 18:39:12] [INFO ] Deduced a trap composed of 4 places in 49 ms of which 3 ms to minimize.
At refinement iteration 17 (INCLUDED_ONLY) 0/438 variables, 1/335 constraints. Problems are: Problem set: 0 solved, 14 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 18:39:17] [INFO ] Deduced a trap composed of 6 places in 67 ms of which 4 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 18:39:18] [INFO ] Deduced a trap composed of 4 places in 128 ms of which 8 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 18:39:18] [INFO ] Deduced a trap composed of 4 places in 48 ms of which 3 ms to minimize.
At refinement iteration 18 (INCLUDED_ONLY) 0/438 variables, 3/338 constraints. Problems are: Problem set: 0 solved, 14 unsolved
At refinement iteration 19 (INCLUDED_ONLY) 0/438 variables, 0/338 constraints. Problems are: Problem set: 0 solved, 14 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 438/438 variables, and 338 constraints, problems are : Problem set: 0 solved, 14 unsolved in 45012 ms.
Refiners :[Positive P Invariants (semi-flows): 36/36 constraints, Generalized P Invariants (flows): 24/24 constraints, State Equation: 244/244 constraints, ReadFeed: 8/8 constraints, PredecessorRefiner: 14/14 constraints, Known Traps: 12/12 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 46780ms problems are : Problem set: 0 solved, 14 unsolved
Skipping Parikh replay, no witness traces provided.
Support contains 19 out of 244 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 244/244 places, 194/194 transitions.
Applied a total of 0 rules in 12 ms. Remains 244 /244 variables (removed 0) and now considering 194/194 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 12 ms. Remains : 244/244 places, 194/194 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 244/244 places, 194/194 transitions.
Applied a total of 0 rules in 15 ms. Remains 244 /244 variables (removed 0) and now considering 194/194 (removed 0) transitions.
[2025-05-31 18:39:28] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-05-31 18:39:28] [INFO ] Implicit Places using invariants in 275 ms returned []
[2025-05-31 18:39:28] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-05-31 18:39:29] [INFO ] State equation strengthened by 8 read => feed constraints.
[2025-05-31 18:39:29] [INFO ] Implicit Places using invariants and state equation in 636 ms returned []
Implicit Place search using SMT with State Equation took 926 ms to find 0 implicit places.
Starting Z3 with timeout 200.0 s and query timeout 20000.0 ms
[2025-05-31 18:39:29] [INFO ] Redundant transitions in 9 ms returned []
Running 191 sub problems to find dead transitions.
[2025-05-31 18:39:29] [INFO ] Invariant cache hit.
[2025-05-31 18:39:29] [INFO ] State equation strengthened by 8 read => feed constraints.
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/241 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 191 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/241 variables, 10/11 constraints. Problems are: Problem set: 0 solved, 191 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/241 variables, 0/11 constraints. Problems are: Problem set: 0 solved, 191 unsolved
At refinement iteration 3 (OVERLAPS) 3/244 variables, 35/46 constraints. Problems are: Problem set: 0 solved, 191 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/244 variables, 14/60 constraints. Problems are: Problem set: 0 solved, 191 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/244 variables, 0/60 constraints. Problems are: Problem set: 0 solved, 191 unsolved
At refinement iteration 6 (OVERLAPS) 194/438 variables, 244/304 constraints. Problems are: Problem set: 0 solved, 191 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/438 variables, 8/312 constraints. Problems are: Problem set: 0 solved, 191 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 18:39:37] [INFO ] Deduced a trap composed of 6 places in 40 ms of which 3 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 18:39:38] [INFO ] Deduced a trap composed of 16 places in 71 ms of which 5 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 18:39:39] [INFO ] Deduced a trap composed of 4 places in 56 ms of which 4 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 18:39:39] [INFO ] Deduced a trap composed of 4 places in 69 ms of which 8 ms to minimize.
At refinement iteration 8 (INCLUDED_ONLY) 0/438 variables, 4/316 constraints. Problems are: Problem set: 0 solved, 191 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 18:39:42] [INFO ] Deduced a trap composed of 14 places in 87 ms of which 9 ms to minimize.
At refinement iteration 9 (INCLUDED_ONLY) 0/438 variables, 1/317 constraints. Problems are: Problem set: 0 solved, 191 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/438 variables, 0/317 constraints. Problems are: Problem set: 0 solved, 191 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 18:39:49] [INFO ] Deduced a trap composed of 10 places in 138 ms of which 9 ms to minimize.
At refinement iteration 11 (OVERLAPS) 0/438 variables, 1/318 constraints. Problems are: Problem set: 0 solved, 191 unsolved
At refinement iteration 12 (INCLUDED_ONLY) 0/438 variables, 0/318 constraints. Problems are: Problem set: 0 solved, 191 unsolved
At refinement iteration 13 (OVERLAPS) 0/438 variables, 0/318 constraints. Problems are: Problem set: 0 solved, 191 unsolved
No progress, stopping.
After SMT solving in domain Real declared 438/438 variables, and 318 constraints, problems are : Problem set: 0 solved, 191 unsolved in 28303 ms.
Refiners :[Positive P Invariants (semi-flows): 36/36 constraints, Generalized P Invariants (flows): 24/24 constraints, State Equation: 244/244 constraints, ReadFeed: 8/8 constraints, PredecessorRefiner: 191/191 constraints, Known Traps: 6/6 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 191 unsolved
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/241 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 191 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/241 variables, 10/11 constraints. Problems are: Problem set: 0 solved, 191 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/241 variables, 2/13 constraints. Problems are: Problem set: 0 solved, 191 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/241 variables, 0/13 constraints. Problems are: Problem set: 0 solved, 191 unsolved
At refinement iteration 4 (OVERLAPS) 3/244 variables, 35/48 constraints. Problems are: Problem set: 0 solved, 191 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/244 variables, 14/62 constraints. Problems are: Problem set: 0 solved, 191 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/244 variables, 4/66 constraints. Problems are: Problem set: 0 solved, 191 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/244 variables, 0/66 constraints. Problems are: Problem set: 0 solved, 191 unsolved
At refinement iteration 8 (OVERLAPS) 194/438 variables, 244/310 constraints. Problems are: Problem set: 0 solved, 191 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/438 variables, 8/318 constraints. Problems are: Problem set: 0 solved, 191 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/438 variables, 191/509 constraints. Problems are: Problem set: 0 solved, 191 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 18:40:27] [INFO ] Deduced a trap composed of 19 places in 68 ms of which 9 ms to minimize.
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 438/438 variables, and 510 constraints, problems are : Problem set: 0 solved, 191 unsolved in 30012 ms.
Refiners :[Positive P Invariants (semi-flows): 36/36 constraints, Generalized P Invariants (flows): 24/24 constraints, State Equation: 244/244 constraints, ReadFeed: 8/8 constraints, PredecessorRefiner: 191/191 constraints, Known Traps: 7/7 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 58418ms problems are : Problem set: 0 solved, 191 unsolved
Search for dead transitions found 0 dead transitions in 58420ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 59379 ms. Remains : 244/244 places, 194/194 transitions.
Successfully simplified 1 atomic propositions for a total of 16 simplifications.
Computed a total of 178 stabilizing places and 170 stable transitions
Graph (complete) has 799 edges and 367 vertex of which 360 are kept as prefixes of interest. Removing 7 places using SCC suffix rule.15 ms
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202505121319/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!((p0 U X((((p1 U G(p2)) U X(p0))||X(X(p3))))))'
Support contains 6 out of 367 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 367/367 places, 314/314 transitions.
Discarding 9 places :
Symmetric choice reduction at 0 with 9 rule applications. Total rules 9 place count 358 transition count 305
Iterating global reduction 0 with 9 rules applied. Total rules applied 18 place count 358 transition count 305
Ensure Unique test removed 3 transitions
Reduce isomorphic transitions removed 3 transitions.
Iterating post reduction 0 with 3 rules applied. Total rules applied 21 place count 358 transition count 302
Discarding 5 places :
Symmetric choice reduction at 1 with 5 rule applications. Total rules 26 place count 353 transition count 297
Iterating global reduction 1 with 5 rules applied. Total rules applied 31 place count 353 transition count 297
Ensure Unique test removed 4 transitions
Reduce isomorphic transitions removed 4 transitions.
Iterating post reduction 1 with 4 rules applied. Total rules applied 35 place count 353 transition count 293
Applied a total of 35 rules in 38 ms. Remains 353 /367 variables (removed 14) and now considering 293/314 (removed 21) transitions.
// Phase 1: matrix 293 rows 353 cols
[2025-05-31 18:40:28] [INFO ] Computed 62 invariants in 8 ms
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-05-31 18:40:28] [INFO ] Implicit Places using invariants in 454 ms returned []
[2025-05-31 18:40:28] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-05-31 18:40:29] [INFO ] Implicit Places using invariants and state equation in 1038 ms returned []
Implicit Place search using SMT with State Equation took 1501 ms to find 0 implicit places.
Running 292 sub problems to find dead transitions.
[2025-05-31 18:40:29] [INFO ] Invariant cache hit.
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/352 variables, 15/15 constraints. Problems are: Problem set: 0 solved, 292 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/352 variables, 0/15 constraints. Problems are: Problem set: 0 solved, 292 unsolved
At refinement iteration 2 (OVERLAPS) 1/353 variables, 33/48 constraints. Problems are: Problem set: 0 solved, 292 unsolved
All remaining problems are real, not stopping.
At refinement iteration 3 (INCLUDED_ONLY) 0/353 variables, 14/62 constraints. Problems are: Problem set: 0 solved, 292 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/353 variables, 0/62 constraints. Problems are: Problem set: 0 solved, 292 unsolved
At refinement iteration 5 (OVERLAPS) 293/646 variables, 353/415 constraints. Problems are: Problem set: 0 solved, 292 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 18:40:40] [INFO ] Deduced a trap composed of 10 places in 137 ms of which 11 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 18:40:40] [INFO ] Deduced a trap composed of 15 places in 112 ms of which 15 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 18:40:40] [INFO ] Deduced a trap composed of 29 places in 124 ms of which 13 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 18:40:41] [INFO ] Deduced a trap composed of 12 places in 129 ms of which 13 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 18:40:41] [INFO ] Deduced a trap composed of 13 places in 134 ms of which 13 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 18:40:41] [INFO ] Deduced a trap composed of 17 places in 119 ms of which 13 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 18:40:41] [INFO ] Deduced a trap composed of 18 places in 106 ms of which 8 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 18:40:41] [INFO ] Deduced a trap composed of 22 places in 116 ms of which 16 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 18:40:41] [INFO ] Deduced a trap composed of 23 places in 99 ms of which 12 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 18:40:41] [INFO ] Deduced a trap composed of 30 places in 89 ms of which 5 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 18:40:42] [INFO ] Deduced a trap composed of 23 places in 129 ms of which 14 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 18:40:42] [INFO ] Deduced a trap composed of 17 places in 93 ms of which 10 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 18:40:42] [INFO ] Deduced a trap composed of 17 places in 87 ms of which 10 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 18:40:42] [INFO ] Deduced a trap composed of 18 places in 88 ms of which 8 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 18:40:42] [INFO ] Deduced a trap composed of 18 places in 67 ms of which 7 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 18:40:42] [INFO ] Deduced a trap composed of 15 places in 51 ms of which 5 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 18:40:42] [INFO ] Deduced a trap composed of 16 places in 53 ms of which 5 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 18:40:43] [INFO ] Deduced a trap composed of 8 places in 143 ms of which 11 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 18:40:43] [INFO ] Deduced a trap composed of 14 places in 121 ms of which 12 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 18:40:43] [INFO ] Deduced a trap composed of 18 places in 96 ms of which 15 ms to minimize.
At refinement iteration 6 (INCLUDED_ONLY) 0/646 variables, 20/435 constraints. Problems are: Problem set: 0 solved, 292 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 18:40:45] [INFO ] Deduced a trap composed of 14 places in 67 ms of which 6 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 18:40:46] [INFO ] Deduced a trap composed of 18 places in 55 ms of which 7 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 18:40:46] [INFO ] Deduced a trap composed of 17 places in 55 ms of which 8 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 18:40:46] [INFO ] Deduced a trap composed of 19 places in 64 ms of which 7 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 18:40:46] [INFO ] Deduced a trap composed of 18 places in 55 ms of which 7 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 18:40:46] [INFO ] Deduced a trap composed of 20 places in 54 ms of which 7 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 18:40:46] [INFO ] Deduced a trap composed of 19 places in 53 ms of which 7 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 18:40:46] [INFO ] Deduced a trap composed of 21 places in 49 ms of which 5 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 18:40:46] [INFO ] Deduced a trap composed of 20 places in 51 ms of which 8 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 18:40:46] [INFO ] Deduced a trap composed of 22 places in 53 ms of which 7 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 18:40:46] [INFO ] Deduced a trap composed of 21 places in 50 ms of which 7 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 18:40:46] [INFO ] Deduced a trap composed of 23 places in 46 ms of which 5 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 18:40:48] [INFO ] Deduced a trap composed of 9 places in 52 ms of which 6 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 18:40:48] [INFO ] Deduced a trap composed of 10 places in 45 ms of which 4 ms to minimize.
At refinement iteration 7 (INCLUDED_ONLY) 0/646 variables, 14/449 constraints. Problems are: Problem set: 0 solved, 292 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 18:40:51] [INFO ] Deduced a trap composed of 16 places in 92 ms of which 7 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 18:40:52] [INFO ] Deduced a trap composed of 22 places in 131 ms of which 15 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 18:40:55] [INFO ] Deduced a trap composed of 27 places in 87 ms of which 9 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 18:40:55] [INFO ] Deduced a trap composed of 28 places in 100 ms of which 10 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 18:40:55] [INFO ] Deduced a trap composed of 29 places in 90 ms of which 13 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 18:40:55] [INFO ] Deduced a trap composed of 18 places in 69 ms of which 6 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 18:40:55] [INFO ] Deduced a trap composed of 19 places in 64 ms of which 6 ms to minimize.
At refinement iteration 8 (INCLUDED_ONLY) 0/646 variables, 7/456 constraints. Problems are: Problem set: 0 solved, 292 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Real declared 646/646 variables, and 456 constraints, problems are : Problem set: 0 solved, 292 unsolved in 30013 ms.
Refiners :[Positive P Invariants (semi-flows): 33/33 constraints, Generalized P Invariants (flows): 29/29 constraints, State Equation: 353/353 constraints, PredecessorRefiner: 292/292 constraints, Known Traps: 41/41 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 292 unsolved
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/352 variables, 15/15 constraints. Problems are: Problem set: 0 solved, 292 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/352 variables, 0/15 constraints. Problems are: Problem set: 0 solved, 292 unsolved
At refinement iteration 2 (OVERLAPS) 1/353 variables, 33/48 constraints. Problems are: Problem set: 0 solved, 292 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/353 variables, 14/62 constraints. Problems are: Problem set: 0 solved, 292 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/353 variables, 41/103 constraints. Problems are: Problem set: 0 solved, 292 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 18:41:03] [INFO ] Deduced a trap composed of 25 places in 83 ms of which 5 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 18:41:03] [INFO ] Deduced a trap composed of 13 places in 86 ms of which 6 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 18:41:03] [INFO ] Deduced a trap composed of 32 places in 60 ms of which 6 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 18:41:03] [INFO ] Deduced a trap composed of 19 places in 47 ms of which 5 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 18:41:04] [INFO ] Deduced a trap composed of 20 places in 49 ms of which 5 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 18:41:04] [INFO ] Deduced a trap composed of 20 places in 61 ms of which 6 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 18:41:04] [INFO ] Deduced a trap composed of 21 places in 62 ms of which 7 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 18:41:04] [INFO ] Deduced a trap composed of 22 places in 61 ms of which 8 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 18:41:04] [INFO ] Deduced a trap composed of 23 places in 66 ms of which 7 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 18:41:04] [INFO ] Deduced a trap composed of 7 places in 167 ms of which 10 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 18:41:04] [INFO ] Deduced a trap composed of 10 places in 158 ms of which 11 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 18:41:05] [INFO ] Deduced a trap composed of 11 places in 127 ms of which 9 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 18:41:05] [INFO ] Deduced a trap composed of 13 places in 48 ms of which 5 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 18:41:05] [INFO ] Deduced a trap composed of 14 places in 50 ms of which 5 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 18:41:05] [INFO ] Deduced a trap composed of 11 places in 46 ms of which 4 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 18:41:05] [INFO ] Deduced a trap composed of 14 places in 42 ms of which 3 ms to minimize.
At refinement iteration 5 (INCLUDED_ONLY) 0/353 variables, 16/119 constraints. Problems are: Problem set: 0 solved, 292 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 18:41:07] [INFO ] Deduced a trap composed of 21 places in 70 ms of which 5 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 18:41:07] [INFO ] Deduced a trap composed of 21 places in 42 ms of which 4 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 18:41:08] [INFO ] Deduced a trap composed of 22 places in 40 ms of which 5 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 18:41:08] [INFO ] Deduced a trap composed of 23 places in 42 ms of which 4 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 18:41:08] [INFO ] Deduced a trap composed of 24 places in 34 ms of which 3 ms to minimize.
At refinement iteration 6 (INCLUDED_ONLY) 0/353 variables, 5/124 constraints. Problems are: Problem set: 0 solved, 292 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/353 variables, 0/124 constraints. Problems are: Problem set: 0 solved, 292 unsolved
At refinement iteration 8 (OVERLAPS) 293/646 variables, 353/477 constraints. Problems are: Problem set: 0 solved, 292 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/646 variables, 292/769 constraints. Problems are: Problem set: 0 solved, 292 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 646/646 variables, and 769 constraints, problems are : Problem set: 0 solved, 292 unsolved in 30017 ms.
Refiners :[Positive P Invariants (semi-flows): 33/33 constraints, Generalized P Invariants (flows): 29/29 constraints, State Equation: 353/353 constraints, PredecessorRefiner: 292/292 constraints, Known Traps: 62/62 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 60097ms problems are : Problem set: 0 solved, 292 unsolved
Search for dead transitions found 0 dead transitions in 60098ms
Starting structural reductions in LTL mode, iteration 1 : 353/367 places, 293/314 transitions.
Finished structural reductions in LTL mode , in 1 iterations and 61641 ms. Remains : 353/367 places, 293/314 transitions.
Stuttering acceptance computed with spot in 1439 ms :[(AND (NOT p0) (NOT p3)), (AND (NOT p0) (NOT p3)), (AND (NOT p0) (NOT p3)), (AND (NOT p0) (NOT p3)), (AND (NOT p0) (NOT p3)), (AND (NOT p0) (NOT p2) (NOT p1) (NOT p3)), (AND (NOT p3) (NOT p0) (NOT p2)), (AND (NOT p0) (NOT p3)), (AND (NOT p0) (NOT p3)), (NOT p3), true, (AND (NOT p0) (NOT p3)), (AND (NOT p0) (NOT p3)), (AND (NOT p0) (NOT p2) (NOT p3)), (AND (NOT p0) (NOT p2) (NOT p3)), (AND p0 (NOT p2) (NOT p3)), (AND (NOT p2) (NOT p3)), (AND (NOT p3) (NOT p0)), (AND (NOT p0) (NOT p3)), (AND (NOT p3) (NOT p0) (NOT p2) (NOT p1)), (AND (NOT p3) (NOT p2) (NOT p0)), (AND (NOT p0) (NOT p3)), (NOT p0), (NOT p0), (AND (NOT p0) (NOT p2)), (AND (NOT p2) (NOT p0)), (NOT p2), (NOT p2)]
Running random walk in product with property : DES-PT-30b-LTLFireability-00
Product exploration explored 100000 steps with 25000 reset in 352 ms.
Product exploration explored 100000 steps with 25000 reset in 254 ms.
Computed a total of 176 stabilizing places and 168 stable transitions
Graph (complete) has 766 edges and 353 vertex of which 347 are kept as prefixes of interest. Removing 6 places using SCC suffix rule.18 ms
Computed a total of 176 stabilizing places and 168 stable transitions
Detected a total of 176/353 stabilizing places and 168/293 transitions leading to convergence knowledge of the form 'F(Gp|G!p)' for 1/4 atomic propositions.
Knowledge obtained : [(AND (NOT p0) (NOT p2) (NOT p1) p3), (X (NOT p2)), (X (NOT (OR p2 p1))), (X (NOT (AND p2 (NOT p1)))), (X (NOT p0)), (X (AND (NOT p2) (NOT p1))), (X (NOT p1)), (X (X (NOT p2))), (X (X (NOT (OR (AND (NOT p0) p2) (AND (NOT p0) p1))))), (X (X (NOT (AND (NOT p0) p2)))), (X (X (AND (NOT p0) (NOT p2)))), (X (X (NOT p0))), (X (X (NOT (AND (NOT p0) p1)))), (X (X (AND (NOT p0) (NOT p2) (NOT p1)))), (X (X (NOT (AND (NOT p0) p2 (NOT p1))))), (X (X (NOT p1))), (F (OR (G p0) (G (NOT p0))))]
False Knowledge obtained : []
Knowledge based reduction with 17 factoid took 124 ms. Reduced automaton from 28 states, 70 edges and 4 AP (stutter sensitive) to 5 states, 5 edges and 1 AP (stutter sensitive).
Stuttering acceptance computed with spot in 151 ms :[(NOT p3), (NOT p3), (NOT p3), (NOT p3), true]
RANDOM walk for 132 steps (0 resets) in 6 ms. (18 steps per ms) remains 0/1 properties
Knowledge obtained : [(AND (NOT p0) (NOT p2) (NOT p1) p3), (X (NOT p2)), (X (NOT (OR p2 p1))), (X (NOT (AND p2 (NOT p1)))), (X (NOT p0)), (X (AND (NOT p2) (NOT p1))), (X (NOT p1)), (X (X (NOT p2))), (X (X (NOT (OR (AND (NOT p0) p2) (AND (NOT p0) p1))))), (X (X (NOT (AND (NOT p0) p2)))), (X (X (AND (NOT p0) (NOT p2)))), (X (X (NOT p0))), (X (X (NOT (AND (NOT p0) p1)))), (X (X (AND (NOT p0) (NOT p2) (NOT p1)))), (X (X (NOT (AND (NOT p0) p2 (NOT p1))))), (X (X (NOT p1))), (F (OR (G p0) (G (NOT p0))))]
False Knowledge obtained : [(F (NOT p3))]
Knowledge based reduction with 17 factoid took 158 ms. Reduced automaton from 5 states, 5 edges and 1 AP (stutter sensitive) to 5 states, 5 edges and 1 AP (stutter sensitive).
Stuttering acceptance computed with spot in 156 ms :[(NOT p3), (NOT p3), (NOT p3), (NOT p3), true]
Stuttering acceptance computed with spot in 151 ms :[(NOT p3), (NOT p3), (NOT p3), (NOT p3), true]
Support contains 1 out of 353 places. Attempting structural reductions.
Property had overlarge support with respect to TGBA, discarding it for now.
Starting structural reductions in LTL mode, iteration 0 : 353/353 places, 293/293 transitions.
Applied a total of 0 rules in 19 ms. Remains 353 /353 variables (removed 0) and now considering 293/293 (removed 0) transitions.
[2025-05-31 18:41:32] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-05-31 18:41:33] [INFO ] Implicit Places using invariants in 311 ms returned []
[2025-05-31 18:41:33] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-05-31 18:41:34] [INFO ] Implicit Places using invariants and state equation in 1062 ms returned []
Implicit Place search using SMT with State Equation took 1388 ms to find 0 implicit places.
Running 292 sub problems to find dead transitions.
[2025-05-31 18:41:34] [INFO ] Invariant cache hit.
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/352 variables, 15/15 constraints. Problems are: Problem set: 0 solved, 292 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/352 variables, 0/15 constraints. Problems are: Problem set: 0 solved, 292 unsolved
At refinement iteration 2 (OVERLAPS) 1/353 variables, 33/48 constraints. Problems are: Problem set: 0 solved, 292 unsolved
All remaining problems are real, not stopping.
At refinement iteration 3 (INCLUDED_ONLY) 0/353 variables, 14/62 constraints. Problems are: Problem set: 0 solved, 292 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/353 variables, 0/62 constraints. Problems are: Problem set: 0 solved, 292 unsolved
At refinement iteration 5 (OVERLAPS) 293/646 variables, 353/415 constraints. Problems are: Problem set: 0 solved, 292 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 18:41:45] [INFO ] Deduced a trap composed of 10 places in 123 ms of which 10 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 18:41:45] [INFO ] Deduced a trap composed of 15 places in 107 ms of which 14 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 18:41:45] [INFO ] Deduced a trap composed of 29 places in 99 ms of which 13 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 18:41:46] [INFO ] Deduced a trap composed of 12 places in 148 ms of which 13 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 18:41:46] [INFO ] Deduced a trap composed of 13 places in 137 ms of which 12 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 18:41:46] [INFO ] Deduced a trap composed of 17 places in 113 ms of which 13 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 18:41:46] [INFO ] Deduced a trap composed of 18 places in 116 ms of which 9 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 18:41:46] [INFO ] Deduced a trap composed of 22 places in 137 ms of which 16 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 18:41:46] [INFO ] Deduced a trap composed of 23 places in 113 ms of which 12 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 18:41:46] [INFO ] Deduced a trap composed of 30 places in 105 ms of which 6 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 18:41:47] [INFO ] Deduced a trap composed of 23 places in 101 ms of which 14 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 18:41:47] [INFO ] Deduced a trap composed of 17 places in 96 ms of which 11 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 18:41:47] [INFO ] Deduced a trap composed of 17 places in 95 ms of which 11 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 18:41:47] [INFO ] Deduced a trap composed of 18 places in 89 ms of which 8 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 18:41:47] [INFO ] Deduced a trap composed of 18 places in 80 ms of which 6 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 18:41:47] [INFO ] Deduced a trap composed of 15 places in 69 ms of which 4 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 18:41:47] [INFO ] Deduced a trap composed of 16 places in 54 ms of which 5 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 18:41:48] [INFO ] Deduced a trap composed of 8 places in 173 ms of which 12 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 18:41:48] [INFO ] Deduced a trap composed of 14 places in 143 ms of which 12 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 18:41:49] [INFO ] Deduced a trap composed of 18 places in 97 ms of which 15 ms to minimize.
At refinement iteration 6 (INCLUDED_ONLY) 0/646 variables, 20/435 constraints. Problems are: Problem set: 0 solved, 292 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 18:41:50] [INFO ] Deduced a trap composed of 14 places in 66 ms of which 6 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 18:41:51] [INFO ] Deduced a trap composed of 18 places in 62 ms of which 7 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 18:41:51] [INFO ] Deduced a trap composed of 17 places in 55 ms of which 7 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 18:41:51] [INFO ] Deduced a trap composed of 19 places in 55 ms of which 7 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 18:41:51] [INFO ] Deduced a trap composed of 18 places in 57 ms of which 7 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 18:41:51] [INFO ] Deduced a trap composed of 20 places in 59 ms of which 7 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 18:41:51] [INFO ] Deduced a trap composed of 19 places in 49 ms of which 7 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 18:41:51] [INFO ] Deduced a trap composed of 21 places in 52 ms of which 5 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 18:41:51] [INFO ] Deduced a trap composed of 20 places in 48 ms of which 7 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 18:41:51] [INFO ] Deduced a trap composed of 22 places in 47 ms of which 5 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 18:41:51] [INFO ] Deduced a trap composed of 21 places in 45 ms of which 8 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 18:41:51] [INFO ] Deduced a trap composed of 23 places in 48 ms of which 5 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 18:41:53] [INFO ] Deduced a trap composed of 9 places in 53 ms of which 6 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 18:41:54] [INFO ] Deduced a trap composed of 10 places in 44 ms of which 5 ms to minimize.
At refinement iteration 7 (INCLUDED_ONLY) 0/646 variables, 14/449 constraints. Problems are: Problem set: 0 solved, 292 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 18:41:56] [INFO ] Deduced a trap composed of 16 places in 92 ms of which 8 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 18:41:57] [INFO ] Deduced a trap composed of 22 places in 133 ms of which 14 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 18:42:00] [INFO ] Deduced a trap composed of 27 places in 86 ms of which 10 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 18:42:00] [INFO ] Deduced a trap composed of 28 places in 92 ms of which 10 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 18:42:00] [INFO ] Deduced a trap composed of 29 places in 89 ms of which 13 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 18:42:00] [INFO ] Deduced a trap composed of 18 places in 63 ms of which 6 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 18:42:00] [INFO ] Deduced a trap composed of 19 places in 62 ms of which 6 ms to minimize.
At refinement iteration 8 (INCLUDED_ONLY) 0/646 variables, 7/456 constraints. Problems are: Problem set: 0 solved, 292 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Real declared 646/646 variables, and 456 constraints, problems are : Problem set: 0 solved, 292 unsolved in 30012 ms.
Refiners :[Positive P Invariants (semi-flows): 33/33 constraints, Generalized P Invariants (flows): 29/29 constraints, State Equation: 353/353 constraints, PredecessorRefiner: 292/292 constraints, Known Traps: 41/41 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 292 unsolved
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/352 variables, 15/15 constraints. Problems are: Problem set: 0 solved, 292 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/352 variables, 0/15 constraints. Problems are: Problem set: 0 solved, 292 unsolved
At refinement iteration 2 (OVERLAPS) 1/353 variables, 33/48 constraints. Problems are: Problem set: 0 solved, 292 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/353 variables, 14/62 constraints. Problems are: Problem set: 0 solved, 292 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/353 variables, 41/103 constraints. Problems are: Problem set: 0 solved, 292 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 18:42:07] [INFO ] Deduced a trap composed of 25 places in 67 ms of which 5 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 18:42:07] [INFO ] Deduced a trap composed of 13 places in 84 ms of which 6 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 18:42:07] [INFO ] Deduced a trap composed of 32 places in 63 ms of which 6 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 18:42:07] [INFO ] Deduced a trap composed of 19 places in 43 ms of which 4 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 18:42:07] [INFO ] Deduced a trap composed of 20 places in 45 ms of which 5 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 18:42:08] [INFO ] Deduced a trap composed of 20 places in 63 ms of which 6 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 18:42:08] [INFO ] Deduced a trap composed of 21 places in 63 ms of which 7 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 18:42:08] [INFO ] Deduced a trap composed of 22 places in 60 ms of which 7 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 18:42:08] [INFO ] Deduced a trap composed of 23 places in 59 ms of which 7 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 18:42:08] [INFO ] Deduced a trap composed of 7 places in 130 ms of which 9 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 18:42:08] [INFO ] Deduced a trap composed of 10 places in 144 ms of which 10 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 18:42:08] [INFO ] Deduced a trap composed of 11 places in 121 ms of which 9 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 18:42:09] [INFO ] Deduced a trap composed of 13 places in 48 ms of which 4 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 18:42:09] [INFO ] Deduced a trap composed of 14 places in 48 ms of which 4 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 18:42:09] [INFO ] Deduced a trap composed of 11 places in 44 ms of which 4 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 18:42:09] [INFO ] Deduced a trap composed of 14 places in 42 ms of which 3 ms to minimize.
At refinement iteration 5 (INCLUDED_ONLY) 0/353 variables, 16/119 constraints. Problems are: Problem set: 0 solved, 292 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 18:42:11] [INFO ] Deduced a trap composed of 21 places in 77 ms of which 7 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 18:42:11] [INFO ] Deduced a trap composed of 21 places in 44 ms of which 5 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 18:42:11] [INFO ] Deduced a trap composed of 22 places in 42 ms of which 4 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 18:42:11] [INFO ] Deduced a trap composed of 23 places in 39 ms of which 4 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 18:42:12] [INFO ] Deduced a trap composed of 24 places in 37 ms of which 3 ms to minimize.
At refinement iteration 6 (INCLUDED_ONLY) 0/353 variables, 5/124 constraints. Problems are: Problem set: 0 solved, 292 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/353 variables, 0/124 constraints. Problems are: Problem set: 0 solved, 292 unsolved
At refinement iteration 8 (OVERLAPS) 293/646 variables, 353/477 constraints. Problems are: Problem set: 0 solved, 292 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/646 variables, 292/769 constraints. Problems are: Problem set: 0 solved, 292 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 646/646 variables, and 769 constraints, problems are : Problem set: 0 solved, 292 unsolved in 30018 ms.
Refiners :[Positive P Invariants (semi-flows): 33/33 constraints, Generalized P Invariants (flows): 29/29 constraints, State Equation: 353/353 constraints, PredecessorRefiner: 292/292 constraints, Known Traps: 62/62 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 60073ms problems are : Problem set: 0 solved, 292 unsolved
Search for dead transitions found 0 dead transitions in 60074ms
Finished structural reductions in LTL mode , in 1 iterations and 61483 ms. Remains : 353/353 places, 293/293 transitions.
Computed a total of 176 stabilizing places and 168 stable transitions
Graph (complete) has 766 edges and 353 vertex of which 347 are kept as prefixes of interest. Removing 6 places using SCC suffix rule.7 ms
Computed a total of 176 stabilizing places and 168 stable transitions
Knowledge obtained : [p3]
False Knowledge obtained : []
Knowledge based reduction with 1 factoid took 76 ms. Reduced automaton from 5 states, 5 edges and 1 AP (stutter sensitive) to 5 states, 5 edges and 1 AP (stutter sensitive).
Stuttering acceptance computed with spot in 155 ms :[(NOT p3), (NOT p3), (NOT p3), (NOT p3), true]
RANDOM walk for 150 steps (0 resets) in 6 ms. (21 steps per ms) remains 0/1 properties
Knowledge obtained : [p3]
False Knowledge obtained : [(F (NOT p3))]
Knowledge based reduction with 1 factoid took 93 ms. Reduced automaton from 5 states, 5 edges and 1 AP (stutter sensitive) to 5 states, 5 edges and 1 AP (stutter sensitive).
Stuttering acceptance computed with spot in 149 ms :[(NOT p3), (NOT p3), (NOT p3), (NOT p3), true]
Stuttering acceptance computed with spot in 148 ms :[(NOT p3), (NOT p3), (NOT p3), (NOT p3), true]
Stuttering acceptance computed with spot in 143 ms :[(NOT p3), (NOT p3), (NOT p3), (NOT p3), true]
Product exploration explored 100000 steps with 25000 reset in 114 ms.
Product exploration explored 100000 steps with 25000 reset in 169 ms.
Applying partial POR strategy [true, false, false, false, true]
Stuttering acceptance computed with spot in 149 ms :[(NOT p3), (NOT p3), (NOT p3), (NOT p3), true]
Support contains 1 out of 353 places. Attempting structural reductions.
Starting structural reductions in SI_LTL mode, iteration 0 : 353/353 places, 293/293 transitions.
Graph (complete) has 766 edges and 353 vertex of which 347 are kept as prefixes of interest. Removing 6 places using SCC suffix rule.3 ms
Discarding 6 places :
Also discarding 3 output transitions
Drop transitions (Output transitions of discarded places.) removed 3 transitions
Performed 15 Post agglomeration using F-continuation condition.Transition count delta: 0
Iterating post reduction 0 with 15 rules applied. Total rules applied 16 place count 347 transition count 290
Performed 8 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 1 with 8 Pre rules applied. Total rules applied 16 place count 347 transition count 292
Deduced a syphon composed of 23 places in 1 ms
Iterating global reduction 1 with 8 rules applied. Total rules applied 24 place count 347 transition count 292
Discarding 5 places :
Symmetric choice reduction at 1 with 5 rule applications. Total rules 29 place count 342 transition count 287
Deduced a syphon composed of 18 places in 1 ms
Iterating global reduction 1 with 5 rules applied. Total rules applied 34 place count 342 transition count 287
Performed 78 Post agglomeration using F-continuation condition.Transition count delta: -3
Deduced a syphon composed of 96 places in 0 ms
Iterating global reduction 1 with 78 rules applied. Total rules applied 112 place count 342 transition count 290
Discarding 10 places :
Symmetric choice reduction at 1 with 10 rule applications. Total rules 122 place count 332 transition count 280
Deduced a syphon composed of 86 places in 0 ms
Iterating global reduction 1 with 10 rules applied. Total rules applied 132 place count 332 transition count 280
Performed 5 Post agglomeration using F-continuation condition.Transition count delta: -20
Deduced a syphon composed of 91 places in 0 ms
Iterating global reduction 1 with 5 rules applied. Total rules applied 137 place count 332 transition count 300
Discarding 2 places :
Symmetric choice reduction at 1 with 2 rule applications. Total rules 139 place count 330 transition count 294
Deduced a syphon composed of 89 places in 0 ms
Iterating global reduction 1 with 2 rules applied. Total rules applied 141 place count 330 transition count 294
Deduced a syphon composed of 89 places in 0 ms
Applied a total of 141 rules in 154 ms. Remains 330 /353 variables (removed 23) and now considering 294/293 (removed -1) transitions.
Starting Z3 with timeout 200.0 s and query timeout 20000.0 ms
[2025-05-31 18:42:36] [INFO ] Redundant transitions in 21 ms returned []
Running 293 sub problems to find dead transitions.
// Phase 1: matrix 294 rows 330 cols
[2025-05-31 18:42:36] [INFO ] Computed 59 invariants in 9 ms
[2025-05-31 18:42:36] [INFO ] State equation strengthened by 8 read => feed constraints.
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
All remaining problems are real, not stopping.
At refinement iteration 0 (INCLUDED_ONLY) 0/329 variables, 14/14 constraints. Problems are: Problem set: 0 solved, 293 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/329 variables, 0/14 constraints. Problems are: Problem set: 0 solved, 293 unsolved
At refinement iteration 2 (OVERLAPS) 1/330 variables, 32/46 constraints. Problems are: Problem set: 0 solved, 293 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/330 variables, 13/59 constraints. Problems are: Problem set: 0 solved, 293 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/330 variables, 0/59 constraints. Problems are: Problem set: 0 solved, 293 unsolved
Problem TDEAD1 is UNSAT
Problem TDEAD2 is UNSAT
Problem TDEAD3 is UNSAT
Problem TDEAD4 is UNSAT
Problem TDEAD5 is UNSAT
Problem TDEAD6 is UNSAT
Problem TDEAD7 is UNSAT
Problem TDEAD8 is UNSAT
Problem TDEAD9 is UNSAT
Problem TDEAD10 is UNSAT
Problem TDEAD11 is UNSAT
Problem TDEAD12 is UNSAT
Problem TDEAD13 is UNSAT
Problem TDEAD14 is UNSAT
Problem TDEAD15 is UNSAT
Problem TDEAD16 is UNSAT
Problem TDEAD17 is UNSAT
Problem TDEAD18 is UNSAT
Problem TDEAD19 is UNSAT
Problem TDEAD20 is UNSAT
Problem TDEAD21 is UNSAT
Problem TDEAD22 is UNSAT
Problem TDEAD23 is UNSAT
Problem TDEAD24 is UNSAT
Problem TDEAD25 is UNSAT
Problem TDEAD26 is UNSAT
Problem TDEAD27 is UNSAT
Problem TDEAD28 is UNSAT
Problem TDEAD29 is UNSAT
Problem TDEAD30 is UNSAT
Problem TDEAD31 is UNSAT
Problem TDEAD32 is UNSAT
Problem TDEAD33 is UNSAT
Problem TDEAD34 is UNSAT
Problem TDEAD35 is UNSAT
Problem TDEAD36 is UNSAT
Problem TDEAD37 is UNSAT
Problem TDEAD38 is UNSAT
Problem TDEAD39 is UNSAT
Problem TDEAD40 is UNSAT
Problem TDEAD41 is UNSAT
Problem TDEAD42 is UNSAT
Problem TDEAD43 is UNSAT
Problem TDEAD44 is UNSAT
Problem TDEAD45 is UNSAT
Problem TDEAD46 is UNSAT
Problem TDEAD47 is UNSAT
Problem TDEAD48 is UNSAT
Problem TDEAD129 is UNSAT
Problem TDEAD130 is UNSAT
Problem TDEAD133 is UNSAT
Problem TDEAD134 is UNSAT
Problem TDEAD135 is UNSAT
Problem TDEAD136 is UNSAT
Problem TDEAD137 is UNSAT
Problem TDEAD138 is UNSAT
Problem TDEAD139 is UNSAT
Problem TDEAD141 is UNSAT
Problem TDEAD143 is UNSAT
Problem TDEAD144 is UNSAT
Problem TDEAD145 is UNSAT
Problem TDEAD150 is UNSAT
Problem TDEAD153 is UNSAT
Problem TDEAD154 is UNSAT
Problem TDEAD155 is UNSAT
Problem TDEAD156 is UNSAT
Problem TDEAD157 is UNSAT
Problem TDEAD189 is UNSAT
Problem TDEAD191 is UNSAT
Problem TDEAD192 is UNSAT
Problem TDEAD193 is UNSAT
Problem TDEAD194 is UNSAT
Problem TDEAD195 is UNSAT
Problem TDEAD196 is UNSAT
Problem TDEAD197 is UNSAT
Problem TDEAD199 is UNSAT
Problem TDEAD200 is UNSAT
Problem TDEAD201 is UNSAT
Problem TDEAD202 is UNSAT
Problem TDEAD203 is UNSAT
Problem TDEAD204 is UNSAT
Problem TDEAD205 is UNSAT
Problem TDEAD215 is UNSAT
Problem TDEAD216 is UNSAT
Problem TDEAD217 is UNSAT
Problem TDEAD218 is UNSAT
Problem TDEAD219 is UNSAT
Problem TDEAD220 is UNSAT
Problem TDEAD221 is UNSAT
Problem TDEAD222 is UNSAT
Problem TDEAD224 is UNSAT
Problem TDEAD225 is UNSAT
Problem TDEAD226 is UNSAT
Problem TDEAD227 is UNSAT
Problem TDEAD228 is UNSAT
Problem TDEAD229 is UNSAT
Problem TDEAD235 is UNSAT
Problem TDEAD270 is UNSAT
Problem TDEAD271 is UNSAT
Problem TDEAD272 is UNSAT
Problem TDEAD273 is UNSAT
Problem TDEAD278 is UNSAT
Problem TDEAD279 is UNSAT
Problem TDEAD282 is UNSAT
Problem TDEAD283 is UNSAT
Problem TDEAD284 is UNSAT
Problem TDEAD288 is UNSAT
Problem TDEAD289 is UNSAT
Problem TDEAD290 is UNSAT
At refinement iteration 5 (OVERLAPS) 294/624 variables, 330/389 constraints. Problems are: Problem set: 109 solved, 184 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/624 variables, 8/397 constraints. Problems are: Problem set: 109 solved, 184 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/624 variables, 0/397 constraints. Problems are: Problem set: 109 solved, 184 unsolved
At refinement iteration 8 (OVERLAPS) 0/624 variables, 0/397 constraints. Problems are: Problem set: 109 solved, 184 unsolved
No progress, stopping.
After SMT solving in domain Real declared 624/624 variables, and 397 constraints, problems are : Problem set: 109 solved, 184 unsolved in 13904 ms.
Refiners :[Positive P Invariants (semi-flows): 32/32 constraints, Generalized P Invariants (flows): 27/27 constraints, State Equation: 330/330 constraints, ReadFeed: 8/8 constraints, PredecessorRefiner: 293/293 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 109 solved, 184 unsolved
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/240 variables, 13/13 constraints. Problems are: Problem set: 109 solved, 184 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/240 variables, 0/13 constraints. Problems are: Problem set: 109 solved, 184 unsolved
At refinement iteration 2 (OVERLAPS) 68/308 variables, 32/45 constraints. Problems are: Problem set: 109 solved, 184 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/308 variables, 0/45 constraints. Problems are: Problem set: 109 solved, 184 unsolved
At refinement iteration 4 (OVERLAPS) 15/323 variables, 14/59 constraints. Problems are: Problem set: 109 solved, 184 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 18:42:55] [INFO ] Deduced a trap composed of 11 places in 57 ms of which 5 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 18:42:55] [INFO ] Deduced a trap composed of 4 places in 25 ms of which 2 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 18:42:55] [INFO ] Deduced a trap composed of 10 places in 45 ms of which 5 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 18:42:55] [INFO ] Deduced a trap composed of 3 places in 58 ms of which 5 ms to minimize.
At refinement iteration 5 (INCLUDED_ONLY) 0/323 variables, 4/63 constraints. Problems are: Problem set: 109 solved, 184 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 18:42:56] [INFO ] Deduced a trap composed of 16 places in 46 ms of which 3 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 18:42:57] [INFO ] Deduced a trap composed of 4 places in 27 ms of which 2 ms to minimize.
At refinement iteration 6 (INCLUDED_ONLY) 0/323 variables, 2/65 constraints. Problems are: Problem set: 109 solved, 184 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 18:42:58] [INFO ] Deduced a trap composed of 3 places in 48 ms of which 4 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 18:42:58] [INFO ] Deduced a trap composed of 3 places in 42 ms of which 3 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 18:42:58] [INFO ] Deduced a trap composed of 3 places in 26 ms of which 2 ms to minimize.
At refinement iteration 7 (INCLUDED_ONLY) 0/323 variables, 3/68 constraints. Problems are: Problem set: 109 solved, 184 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/323 variables, 0/68 constraints. Problems are: Problem set: 109 solved, 184 unsolved
At refinement iteration 9 (OVERLAPS) 290/613 variables, 323/391 constraints. Problems are: Problem set: 109 solved, 184 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/613 variables, 8/399 constraints. Problems are: Problem set: 109 solved, 184 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/613 variables, 184/583 constraints. Problems are: Problem set: 109 solved, 184 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 613/624 variables, and 583 constraints, problems are : Problem set: 109 solved, 184 unsolved in 30012 ms.
Refiners :[Positive P Invariants (semi-flows): 32/32 constraints, Generalized P Invariants (flows): 27/27 constraints, State Equation: 323/330 constraints, ReadFeed: 8/8 constraints, PredecessorRefiner: 184/293 constraints, Known Traps: 9/9 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 44003ms problems are : Problem set: 109 solved, 184 unsolved
Search for dead transitions found 109 dead transitions in 44005ms
Found 109 dead transitions using SMT.
Drop transitions (Dead Transitions using SMT only with invariants) removed 109 transitions
Dead transitions reduction (with SMT) removed 109 transitions
Starting structural reductions in SI_LTL mode, iteration 1 : 330/353 places, 185/293 transitions.
Graph (complete) has 828 edges and 330 vertex of which 241 are kept as prefixes of interest. Removing 89 places using SCC suffix rule.2 ms
Discarding 89 places :
Also discarding 0 output transitions
Applied a total of 1 rules in 13 ms. Remains 241 /330 variables (removed 89) and now considering 185/185 (removed 0) transitions.
Starting structural reductions in SI_LTL mode, iteration 2 : 241/353 places, 185/293 transitions.
Finished structural reductions in SI_LTL mode , in 2 iterations and 44205 ms. Remains : 241/353 places, 185/293 transitions.
Built C files in :
/tmp/ltsmin6810670732751028113
[2025-05-31 18:43:20] [INFO ] Built C files in 27ms conformant to PINS (ltsmin variant)in folder :/tmp/ltsmin6810670732751028113
Running compilation step : cd /tmp/ltsmin6810670732751028113;'/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.ltsmin.binaries_1.0.0.202505121319/bin/limit_time.pl' '3' 'gcc' '-c' '-I/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.ltsmin.binaries_1.0.0.202505121319/bin/include/' '-I.' '-std=c99' '-fPIC' '-O0' 'model.c'
Compilation finished in 974 ms.
Running link step : cd /tmp/ltsmin6810670732751028113;'gcc' '-shared' '-o' 'gal.so' 'model.o'
Link finished in 57 ms.
Running LTSmin : cd /tmp/ltsmin6810670732751028113;'/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.ltsmin.binaries_1.0.0.202505121319/bin/pins2lts-mc-linux64' './gal.so' '--threads=8' '--when' '--hoa' '/tmp/stateBased12110077497155708029.hoa' '--buchi-type=spotba'
LTSmin run took 280 ms.
FORMULA DES-PT-30b-LTLFireability-00 TRUE TECHNIQUES EXPLICIT LTSMIN SAT_SMT
Treatment of property DES-PT-30b-LTLFireability-00 finished in 173223 ms.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202505121319/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!(((!p0&&(p1 U p2)) U X(X(X(X(X(p3)))))))'
Support contains 7 out of 367 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 367/367 places, 314/314 transitions.
Discarding 8 places :
Symmetric choice reduction at 0 with 8 rule applications. Total rules 8 place count 359 transition count 306
Iterating global reduction 0 with 8 rules applied. Total rules applied 16 place count 359 transition count 306
Ensure Unique test removed 2 transitions
Reduce isomorphic transitions removed 2 transitions.
Iterating post reduction 0 with 2 rules applied. Total rules applied 18 place count 359 transition count 304
Discarding 5 places :
Symmetric choice reduction at 1 with 5 rule applications. Total rules 23 place count 354 transition count 299
Iterating global reduction 1 with 5 rules applied. Total rules applied 28 place count 354 transition count 299
Ensure Unique test removed 4 transitions
Reduce isomorphic transitions removed 4 transitions.
Iterating post reduction 1 with 4 rules applied. Total rules applied 32 place count 354 transition count 295
Applied a total of 32 rules in 24 ms. Remains 354 /367 variables (removed 13) and now considering 295/314 (removed 19) transitions.
// Phase 1: matrix 295 rows 354 cols
[2025-05-31 18:43:21] [INFO ] Computed 62 invariants in 4 ms
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-05-31 18:43:21] [INFO ] Implicit Places using invariants in 343 ms returned []
[2025-05-31 18:43:21] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-05-31 18:43:22] [INFO ] Implicit Places using invariants and state equation in 1029 ms returned []
Implicit Place search using SMT with State Equation took 1374 ms to find 0 implicit places.
Running 294 sub problems to find dead transitions.
[2025-05-31 18:43:22] [INFO ] Invariant cache hit.
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/353 variables, 14/14 constraints. Problems are: Problem set: 0 solved, 294 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/353 variables, 0/14 constraints. Problems are: Problem set: 0 solved, 294 unsolved
At refinement iteration 2 (OVERLAPS) 1/354 variables, 34/48 constraints. Problems are: Problem set: 0 solved, 294 unsolved
All remaining problems are real, not stopping.
At refinement iteration 3 (INCLUDED_ONLY) 0/354 variables, 14/62 constraints. Problems are: Problem set: 0 solved, 294 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/354 variables, 0/62 constraints. Problems are: Problem set: 0 solved, 294 unsolved
At refinement iteration 5 (OVERLAPS) 295/649 variables, 354/416 constraints. Problems are: Problem set: 0 solved, 294 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 18:43:33] [INFO ] Deduced a trap composed of 10 places in 145 ms of which 10 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 18:43:33] [INFO ] Deduced a trap composed of 16 places in 82 ms of which 10 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 18:43:34] [INFO ] Deduced a trap composed of 29 places in 74 ms of which 8 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 18:43:34] [INFO ] Deduced a trap composed of 12 places in 102 ms of which 8 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 18:43:34] [INFO ] Deduced a trap composed of 13 places in 116 ms of which 8 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 18:43:34] [INFO ] Deduced a trap composed of 30 places in 85 ms of which 5 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 18:43:34] [INFO ] Deduced a trap composed of 23 places in 67 ms of which 5 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 18:43:34] [INFO ] Deduced a trap composed of 17 places in 84 ms of which 10 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 18:43:35] [INFO ] Deduced a trap composed of 17 places in 89 ms of which 9 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 18:43:35] [INFO ] Deduced a trap composed of 18 places in 79 ms of which 7 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 18:43:35] [INFO ] Deduced a trap composed of 18 places in 57 ms of which 5 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 18:43:35] [INFO ] Deduced a trap composed of 8 places in 181 ms of which 11 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 18:43:36] [INFO ] Deduced a trap composed of 10 places in 134 ms of which 10 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 18:43:36] [INFO ] Deduced a trap composed of 14 places in 118 ms of which 11 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 18:43:37] [INFO ] Deduced a trap composed of 16 places in 125 ms of which 13 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 18:43:37] [INFO ] Deduced a trap composed of 21 places in 139 ms of which 18 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 18:43:37] [INFO ] Deduced a trap composed of 23 places in 113 ms of which 9 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 18:43:38] [INFO ] Deduced a trap composed of 24 places in 93 ms of which 8 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 18:43:38] [INFO ] Deduced a trap composed of 25 places in 100 ms of which 8 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 18:43:38] [INFO ] Deduced a trap composed of 27 places in 102 ms of which 9 ms to minimize.
At refinement iteration 6 (INCLUDED_ONLY) 0/649 variables, 20/436 constraints. Problems are: Problem set: 0 solved, 294 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 18:43:40] [INFO ] Deduced a trap composed of 16 places in 104 ms of which 13 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 18:43:40] [INFO ] Deduced a trap composed of 18 places in 109 ms of which 13 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 18:43:40] [INFO ] Deduced a trap composed of 18 places in 84 ms of which 10 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 18:43:40] [INFO ] Deduced a trap composed of 19 places in 82 ms of which 9 ms to minimize.
At refinement iteration 7 (INCLUDED_ONLY) 0/649 variables, 4/440 constraints. Problems are: Problem set: 0 solved, 294 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 18:43:46] [INFO ] Deduced a trap composed of 17 places in 110 ms of which 13 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 18:43:46] [INFO ] Deduced a trap composed of 18 places in 117 ms of which 14 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 18:43:46] [INFO ] Deduced a trap composed of 19 places in 110 ms of which 14 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 18:43:46] [INFO ] Deduced a trap composed of 20 places in 113 ms of which 14 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 18:43:47] [INFO ] Deduced a trap composed of 9 places in 133 ms of which 12 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 18:43:48] [INFO ] Deduced a trap composed of 19 places in 34 ms of which 2 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 18:43:48] [INFO ] Deduced a trap composed of 10 places in 116 ms of which 11 ms to minimize.
At refinement iteration 8 (INCLUDED_ONLY) 0/649 variables, 7/447 constraints. Problems are: Problem set: 0 solved, 294 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 18:43:52] [INFO ] Deduced a trap composed of 19 places in 57 ms of which 5 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 18:43:52] [INFO ] Deduced a trap composed of 19 places in 72 ms of which 9 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 18:43:52] [INFO ] Deduced a trap composed of 19 places in 73 ms of which 8 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 18:43:52] [INFO ] Deduced a trap composed of 20 places in 67 ms of which 7 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 18:43:52] [INFO ] Deduced a trap composed of 20 places in 65 ms of which 8 ms to minimize.
Solver is answering 'unknown', stopping.
After SMT solving in domain Real declared 649/649 variables, and 452 constraints, problems are : Problem set: 0 solved, 294 unsolved in 30015 ms.
Refiners :[Positive P Invariants (semi-flows): 34/34 constraints, Generalized P Invariants (flows): 28/28 constraints, State Equation: 354/354 constraints, PredecessorRefiner: 294/294 constraints, Known Traps: 36/36 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 294 unsolved
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/353 variables, 14/14 constraints. Problems are: Problem set: 0 solved, 294 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/353 variables, 0/14 constraints. Problems are: Problem set: 0 solved, 294 unsolved
At refinement iteration 2 (OVERLAPS) 1/354 variables, 34/48 constraints. Problems are: Problem set: 0 solved, 294 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/354 variables, 14/62 constraints. Problems are: Problem set: 0 solved, 294 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/354 variables, 36/98 constraints. Problems are: Problem set: 0 solved, 294 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 18:43:56] [INFO ] Deduced a trap composed of 20 places in 50 ms of which 4 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 18:43:56] [INFO ] Deduced a trap composed of 20 places in 50 ms of which 6 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 18:43:56] [INFO ] Deduced a trap composed of 21 places in 46 ms of which 4 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 18:43:56] [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
[2025-05-31 18:43:57] [INFO ] Deduced a trap composed of 21 places in 46 ms of which 5 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 18:43:57] [INFO ] Deduced a trap composed of 22 places in 44 ms of which 4 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 18:43:57] [INFO ] Deduced a trap composed of 22 places in 50 ms of which 5 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 18:43:57] [INFO ] Deduced a trap composed of 22 places in 44 ms of which 5 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 18:43:57] [INFO ] Deduced a trap composed of 23 places in 43 ms of which 4 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 18:43:57] [INFO ] Deduced a trap composed of 21 places in 51 ms of which 6 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 18:43:57] [INFO ] Deduced a trap composed of 23 places in 44 ms of which 5 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 18:43:57] [INFO ] Deduced a trap composed of 23 places in 41 ms of which 3 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 18:43:57] [INFO ] Deduced a trap composed of 24 places in 39 ms of which 3 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 18:43:57] [INFO ] Deduced a trap composed of 11 places in 93 ms of which 7 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 18:43:58] [INFO ] Deduced a trap composed of 13 places in 36 ms of which 3 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 18:43:58] [INFO ] Deduced a trap composed of 14 places in 38 ms of which 5 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 18:43:58] [INFO ] Deduced a trap composed of 11 places in 33 ms of which 4 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 18:43:58] [INFO ] Deduced a trap composed of 14 places in 30 ms of which 2 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 18:43:59] [INFO ] Deduced a trap composed of 22 places in 48 ms of which 4 ms to minimize.
At refinement iteration 5 (INCLUDED_ONLY) 0/354 variables, 19/117 constraints. Problems are: Problem set: 0 solved, 294 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 18:44:00] [INFO ] Deduced a trap composed of 13 places in 81 ms of which 10 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 18:44:00] [INFO ] Deduced a trap composed of 29 places in 64 ms of which 5 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 18:44:00] [INFO ] Deduced a trap composed of 30 places in 54 ms of which 5 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 18:44:00] [INFO ] Deduced a trap composed of 31 places in 56 ms of which 4 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 18:44:00] [INFO ] Deduced a trap composed of 32 places in 48 ms of which 5 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 18:44:00] [INFO ] Deduced a trap composed of 33 places in 51 ms of which 3 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 18:44:01] [INFO ] Deduced a trap composed of 17 places in 44 ms of which 3 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 18:44:01] [INFO ] Deduced a trap composed of 14 places in 54 ms of which 4 ms to minimize.
At refinement iteration 6 (INCLUDED_ONLY) 0/354 variables, 8/125 constraints. Problems are: Problem set: 0 solved, 294 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/354 variables, 0/125 constraints. Problems are: Problem set: 0 solved, 294 unsolved
At refinement iteration 8 (OVERLAPS) 295/649 variables, 354/479 constraints. Problems are: Problem set: 0 solved, 294 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/649 variables, 294/773 constraints. Problems are: Problem set: 0 solved, 294 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 649/649 variables, and 773 constraints, problems are : Problem set: 0 solved, 294 unsolved in 30015 ms.
Refiners :[Positive P Invariants (semi-flows): 34/34 constraints, Generalized P Invariants (flows): 28/28 constraints, State Equation: 354/354 constraints, PredecessorRefiner: 294/294 constraints, Known Traps: 63/63 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 60073ms problems are : Problem set: 0 solved, 294 unsolved
Search for dead transitions found 0 dead transitions in 60074ms
Starting structural reductions in LTL mode, iteration 1 : 354/367 places, 295/314 transitions.
Finished structural reductions in LTL mode , in 1 iterations and 61475 ms. Remains : 354/367 places, 295/314 transitions.
Stuttering acceptance computed with spot in 1477 ms :[(NOT p3), (NOT p3), (AND (NOT p2) (NOT p3)), (NOT p3), (NOT p3), (NOT p3), (NOT p3), (NOT p3), true, (AND (NOT p2) (NOT p3)), (NOT p3), (AND (NOT p2) (NOT p3)), (NOT p3), (AND (NOT p2) (NOT p3)), (NOT p3), (AND (NOT p2) (NOT p3)), (NOT p3), (AND (NOT p2) (NOT p3)), (NOT p3), (AND (NOT p2) (NOT p3)), (NOT p3), (AND (NOT p2) (NOT p3)), (NOT p3), (AND (NOT p2) (NOT p3)), (NOT p3), (AND (NOT p2) (NOT p3)), (NOT p3), (AND (NOT p2) (NOT p3)), (NOT p3), (AND (NOT p2) (NOT p3)), (NOT p3), (AND (NOT p2) (NOT p3)), (NOT p3), (AND (NOT p2) (NOT p3)), (NOT p3), (AND (NOT p2) (NOT p3)), (NOT p3), (NOT p2)]
Running random walk in product with property : DES-PT-30b-LTLFireability-01
Entered a terminal (fully accepting) state of product in 5 steps with 0 reset in 0 ms.
FORMULA DES-PT-30b-LTLFireability-01 FALSE TECHNIQUES STUTTER_TEST
Treatment of property DES-PT-30b-LTLFireability-01 finished in 62986 ms.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202505121319/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!((G(F(p0)) U (p1&&(p1 U X(p2))&&X(F(p3)))))'
Support contains 6 out of 367 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 367/367 places, 314/314 transitions.
Discarding 9 places :
Symmetric choice reduction at 0 with 9 rule applications. Total rules 9 place count 358 transition count 305
Iterating global reduction 0 with 9 rules applied. Total rules applied 18 place count 358 transition count 305
Ensure Unique test removed 3 transitions
Reduce isomorphic transitions removed 3 transitions.
Iterating post reduction 0 with 3 rules applied. Total rules applied 21 place count 358 transition count 302
Discarding 5 places :
Symmetric choice reduction at 1 with 5 rule applications. Total rules 26 place count 353 transition count 297
Iterating global reduction 1 with 5 rules applied. Total rules applied 31 place count 353 transition count 297
Ensure Unique test removed 4 transitions
Reduce isomorphic transitions removed 4 transitions.
Iterating post reduction 1 with 4 rules applied. Total rules applied 35 place count 353 transition count 293
Applied a total of 35 rules in 23 ms. Remains 353 /367 variables (removed 14) and now considering 293/314 (removed 21) transitions.
// Phase 1: matrix 293 rows 353 cols
[2025-05-31 18:44:24] [INFO ] Computed 62 invariants in 4 ms
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-05-31 18:44:24] [INFO ] Implicit Places using invariants in 360 ms returned []
[2025-05-31 18:44:24] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-05-31 18:44:25] [INFO ] Implicit Places using invariants and state equation in 913 ms returned []
Implicit Place search using SMT with State Equation took 1275 ms to find 0 implicit places.
Running 292 sub problems to find dead transitions.
[2025-05-31 18:44:25] [INFO ] Invariant cache hit.
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/352 variables, 15/15 constraints. Problems are: Problem set: 0 solved, 292 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/352 variables, 0/15 constraints. Problems are: Problem set: 0 solved, 292 unsolved
At refinement iteration 2 (OVERLAPS) 1/353 variables, 33/48 constraints. Problems are: Problem set: 0 solved, 292 unsolved
All remaining problems are real, not stopping.
At refinement iteration 3 (INCLUDED_ONLY) 0/353 variables, 14/62 constraints. Problems are: Problem set: 0 solved, 292 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/353 variables, 0/62 constraints. Problems are: Problem set: 0 solved, 292 unsolved
At refinement iteration 5 (OVERLAPS) 293/646 variables, 353/415 constraints. Problems are: Problem set: 0 solved, 292 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 18:44:36] [INFO ] Deduced a trap composed of 10 places in 128 ms of which 10 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 18:44:36] [INFO ] Deduced a trap composed of 15 places in 108 ms of which 14 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 18:44:37] [INFO ] Deduced a trap composed of 29 places in 96 ms of which 12 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 18:44:37] [INFO ] Deduced a trap composed of 12 places in 124 ms of which 12 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 18:44:37] [INFO ] Deduced a trap composed of 13 places in 155 ms of which 12 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 18:44:37] [INFO ] Deduced a trap composed of 17 places in 119 ms of which 14 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 18:44:37] [INFO ] Deduced a trap composed of 18 places in 101 ms of which 8 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 18:44:38] [INFO ] Deduced a trap composed of 22 places in 113 ms of which 16 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 18:44:38] [INFO ] Deduced a trap composed of 23 places in 100 ms of which 11 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 18:44:38] [INFO ] Deduced a trap composed of 30 places in 92 ms of which 6 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 18:44:38] [INFO ] Deduced a trap composed of 23 places in 106 ms of which 14 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 18:44:38] [INFO ] Deduced a trap composed of 17 places in 103 ms of which 10 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 18:44:38] [INFO ] Deduced a trap composed of 17 places in 93 ms of which 10 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 18:44:38] [INFO ] Deduced a trap composed of 18 places in 91 ms of which 8 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 18:44:39] [INFO ] Deduced a trap composed of 18 places in 70 ms of which 6 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 18:44:39] [INFO ] Deduced a trap composed of 15 places in 51 ms of which 4 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 18:44:39] [INFO ] Deduced a trap composed of 16 places in 50 ms of which 5 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 18:44:39] [INFO ] Deduced a trap composed of 8 places in 168 ms of which 12 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 18:44:39] [INFO ] Deduced a trap composed of 14 places in 120 ms of which 11 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 18:44:40] [INFO ] Deduced a trap composed of 18 places in 92 ms of which 13 ms to minimize.
At refinement iteration 6 (INCLUDED_ONLY) 0/646 variables, 20/435 constraints. Problems are: Problem set: 0 solved, 292 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 18:44:42] [INFO ] Deduced a trap composed of 14 places in 67 ms of which 6 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 18:44:42] [INFO ] Deduced a trap composed of 18 places in 58 ms of which 7 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 18:44:42] [INFO ] Deduced a trap composed of 17 places in 55 ms of which 8 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 18:44:42] [INFO ] Deduced a trap composed of 19 places in 57 ms of which 7 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 18:44:42] [INFO ] Deduced a trap composed of 18 places in 53 ms of which 7 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 18:44:42] [INFO ] Deduced a trap composed of 20 places in 55 ms of which 7 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 18:44:42] [INFO ] Deduced a trap composed of 19 places in 50 ms of which 7 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 18:44:42] [INFO ] Deduced a trap composed of 21 places in 50 ms of which 5 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 18:44:42] [INFO ] Deduced a trap composed of 20 places in 52 ms of which 7 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 18:44:43] [INFO ] Deduced a trap composed of 22 places in 50 ms of which 6 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 18:44:43] [INFO ] Deduced a trap composed of 21 places in 47 ms of which 7 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 18:44:43] [INFO ] Deduced a trap composed of 23 places in 47 ms of which 4 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 18:44:44] [INFO ] Deduced a trap composed of 9 places in 63 ms of which 7 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 18:44:45] [INFO ] Deduced a trap composed of 10 places in 45 ms of which 5 ms to minimize.
At refinement iteration 7 (INCLUDED_ONLY) 0/646 variables, 14/449 constraints. Problems are: Problem set: 0 solved, 292 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 18:44:48] [INFO ] Deduced a trap composed of 16 places in 99 ms of which 7 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 18:44:48] [INFO ] Deduced a trap composed of 22 places in 126 ms of which 14 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 18:44:51] [INFO ] Deduced a trap composed of 27 places in 94 ms of which 10 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 18:44:51] [INFO ] Deduced a trap composed of 28 places in 96 ms of which 11 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 18:44:51] [INFO ] Deduced a trap composed of 29 places in 95 ms of which 13 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 18:44:51] [INFO ] Deduced a trap composed of 18 places in 64 ms of which 6 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 18:44:52] [INFO ] Deduced a trap composed of 19 places in 61 ms of which 6 ms to minimize.
At refinement iteration 8 (INCLUDED_ONLY) 0/646 variables, 7/456 constraints. Problems are: Problem set: 0 solved, 292 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Real declared 646/646 variables, and 456 constraints, problems are : Problem set: 0 solved, 292 unsolved in 30012 ms.
Refiners :[Positive P Invariants (semi-flows): 33/33 constraints, Generalized P Invariants (flows): 29/29 constraints, State Equation: 353/353 constraints, PredecessorRefiner: 292/292 constraints, Known Traps: 41/41 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 292 unsolved
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/352 variables, 15/15 constraints. Problems are: Problem set: 0 solved, 292 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/352 variables, 0/15 constraints. Problems are: Problem set: 0 solved, 292 unsolved
At refinement iteration 2 (OVERLAPS) 1/353 variables, 33/48 constraints. Problems are: Problem set: 0 solved, 292 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/353 variables, 14/62 constraints. Problems are: Problem set: 0 solved, 292 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/353 variables, 41/103 constraints. Problems are: Problem set: 0 solved, 292 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 18:44:59] [INFO ] Deduced a trap composed of 25 places in 66 ms of which 5 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 18:44:59] [INFO ] Deduced a trap composed of 13 places in 85 ms of which 6 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 18:44:59] [INFO ] Deduced a trap composed of 32 places in 56 ms of which 6 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 18:44:59] [INFO ] Deduced a trap composed of 19 places in 43 ms of which 4 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 18:44:59] [INFO ] Deduced a trap composed of 20 places in 44 ms of which 4 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 18:44:59] [INFO ] Deduced a trap composed of 20 places in 65 ms of which 6 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 18:44:59] [INFO ] Deduced a trap composed of 21 places in 62 ms of which 7 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 18:44:59] [INFO ] Deduced a trap composed of 22 places in 61 ms of which 7 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 18:44:59] [INFO ] Deduced a trap composed of 23 places in 56 ms of which 7 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 18:45:00] [INFO ] Deduced a trap composed of 7 places in 147 ms of which 9 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 18:45:00] [INFO ] Deduced a trap composed of 10 places in 141 ms of which 11 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 18:45:00] [INFO ] Deduced a trap composed of 11 places in 123 ms of which 9 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 18:45:00] [INFO ] Deduced a trap composed of 13 places in 52 ms of which 4 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 18:45:00] [INFO ] Deduced a trap composed of 14 places in 53 ms of which 5 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 18:45:00] [INFO ] Deduced a trap composed of 11 places in 44 ms of which 4 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 18:45:01] [INFO ] Deduced a trap composed of 14 places in 46 ms of which 3 ms to minimize.
At refinement iteration 5 (INCLUDED_ONLY) 0/353 variables, 16/119 constraints. Problems are: Problem set: 0 solved, 292 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 18:45:03] [INFO ] Deduced a trap composed of 21 places in 74 ms of which 6 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 18:45:03] [INFO ] Deduced a trap composed of 21 places in 41 ms of which 4 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 18:45:03] [INFO ] Deduced a trap composed of 22 places in 39 ms of which 4 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 18:45:03] [INFO ] Deduced a trap composed of 23 places in 43 ms of which 4 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 18:45:03] [INFO ] Deduced a trap composed of 24 places in 40 ms of which 3 ms to minimize.
At refinement iteration 6 (INCLUDED_ONLY) 0/353 variables, 5/124 constraints. Problems are: Problem set: 0 solved, 292 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/353 variables, 0/124 constraints. Problems are: Problem set: 0 solved, 292 unsolved
At refinement iteration 8 (OVERLAPS) 293/646 variables, 353/477 constraints. Problems are: Problem set: 0 solved, 292 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/646 variables, 292/769 constraints. Problems are: Problem set: 0 solved, 292 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 646/646 variables, and 769 constraints, problems are : Problem set: 0 solved, 292 unsolved in 30014 ms.
Refiners :[Positive P Invariants (semi-flows): 33/33 constraints, Generalized P Invariants (flows): 29/29 constraints, State Equation: 353/353 constraints, PredecessorRefiner: 292/292 constraints, Known Traps: 62/62 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 60065ms problems are : Problem set: 0 solved, 292 unsolved
Search for dead transitions found 0 dead transitions in 60066ms
Starting structural reductions in LTL mode, iteration 1 : 353/367 places, 293/314 transitions.
Finished structural reductions in LTL mode , in 1 iterations and 61365 ms. Remains : 353/367 places, 293/314 transitions.
Stuttering acceptance computed with spot in 276 ms :[(OR (NOT p1) (NOT p2) (NOT p3)), (NOT p0), (NOT p0), (NOT p2), (NOT p3), (NOT p2)]
Running random walk in product with property : DES-PT-30b-LTLFireability-02
Product exploration explored 100000 steps with 2568 reset in 244 ms.
Product exploration explored 100000 steps with 2646 reset in 314 ms.
Computed a total of 176 stabilizing places and 168 stable transitions
Graph (complete) has 766 edges and 353 vertex of which 347 are kept as prefixes of interest. Removing 6 places using SCC suffix rule.5 ms
Computed a total of 176 stabilizing places and 168 stable transitions
Detected a total of 176/353 stabilizing places and 168/293 transitions leading to convergence knowledge of the form 'F(Gp|G!p)' for 2/4 atomic propositions.
Knowledge obtained : [(AND (NOT p1) p0 (NOT p2) (NOT p3)), (X (NOT p2)), (X (NOT p1)), (X (NOT (AND p1 (NOT p2)))), (X (AND (NOT p1) (NOT p2))), (X (NOT p3)), (X (NOT (AND (NOT p1) (NOT p0)))), (X p0), (X (X (NOT p2))), (X (X (NOT p1))), (X (X (NOT (AND p1 (NOT p2))))), (X (X (AND (NOT p1) (NOT p2)))), (X (X (NOT p3))), (F (OR (G p0) (G (NOT p0)))), (F (OR (G p3) (G (NOT p3))))]
False Knowledge obtained : [(X (X (AND (NOT p0) (NOT p2)))), (X (X (NOT (AND (NOT p0) (NOT p2))))), (X (X (AND (NOT p1) (NOT p0)))), (X (X (NOT (AND (NOT p1) (NOT p0))))), (X (X p0)), (X (X (NOT p0)))]
Knowledge based reduction with 15 factoid took 467 ms. Reduced automaton from 6 states, 16 edges and 4 AP (stutter sensitive) to 6 states, 16 edges and 4 AP (stutter sensitive).
Stuttering acceptance computed with spot in 242 ms :[(OR (NOT p1) (NOT p2) (NOT p3)), (NOT p0), (NOT p0), (NOT p2), (NOT p3), (NOT p2)]
RANDOM walk for 40000 steps (354 resets) in 269 ms. (148 steps per ms) remains 2/8 properties
BEST_FIRST walk for 40003 steps (60 resets) in 255 ms. (156 steps per ms) remains 2/2 properties
BEST_FIRST walk for 40004 steps (54 resets) in 147 ms. (270 steps per ms) remains 2/2 properties
[2025-05-31 18:45:27] [INFO ] Invariant cache hit.
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/4 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 1 (OVERLAPS) 10/14 variables, 2/2 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/14 variables, 0/2 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 3 (OVERLAPS) 151/165 variables, 31/33 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/165 variables, 0/33 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 5 (OVERLAPS) 169/334 variables, 27/60 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/334 variables, 0/60 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 7 (OVERLAPS) 4/338 variables, 2/62 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/338 variables, 0/62 constraints. Problems are: Problem set: 0 solved, 2 unsolved
All remaining problems are real, not stopping.
At refinement iteration 9 (OVERLAPS) 280/618 variables, 338/400 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/618 variables, 0/400 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 11 (OVERLAPS) 18/636 variables, 10/410 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 12 (INCLUDED_ONLY) 0/636 variables, 0/410 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 13 (OVERLAPS) 6/642 variables, 3/413 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 14 (INCLUDED_ONLY) 0/642 variables, 0/413 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 15 (OVERLAPS) 2/644 variables, 1/414 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 16 (INCLUDED_ONLY) 0/644 variables, 0/414 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 17 (OVERLAPS) 2/646 variables, 1/415 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 18 (INCLUDED_ONLY) 0/646 variables, 0/415 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 19 (OVERLAPS) 0/646 variables, 0/415 constraints. Problems are: Problem set: 0 solved, 2 unsolved
No progress, stopping.
After SMT solving in domain Real declared 646/646 variables, and 415 constraints, problems are : Problem set: 0 solved, 2 unsolved in 693 ms.
Refiners :[Positive P Invariants (semi-flows): 33/33 constraints, Generalized P Invariants (flows): 29/29 constraints, State Equation: 353/353 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 5.0 s and query timeout 500.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/4 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 1 (OVERLAPS) 10/14 variables, 2/2 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/14 variables, 0/2 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 3 (OVERLAPS) 151/165 variables, 31/33 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/165 variables, 0/33 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 5 (OVERLAPS) 169/334 variables, 27/60 constraints. Problems are: Problem set: 0 solved, 2 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 18:45:28] [INFO ] Deduced a trap composed of 16 places in 88 ms of which 7 ms to minimize.
At refinement iteration 6 (INCLUDED_ONLY) 0/334 variables, 1/61 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/334 variables, 0/61 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 8 (OVERLAPS) 4/338 variables, 2/63 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/338 variables, 0/63 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 10 (OVERLAPS) 280/618 variables, 338/401 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/618 variables, 2/403 constraints. Problems are: Problem set: 0 solved, 2 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 18:45:29] [INFO ] Deduced a trap composed of 9 places in 93 ms of which 9 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 18:45:29] [INFO ] Deduced a trap composed of 29 places in 82 ms of which 12 ms to minimize.
At refinement iteration 12 (INCLUDED_ONLY) 0/618 variables, 2/405 constraints. Problems are: Problem set: 0 solved, 2 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 18:45:29] [INFO ] Deduced a trap composed of 22 places in 110 ms of which 17 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 18:45:30] [INFO ] Deduced a trap composed of 16 places in 96 ms of which 12 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 18:45:30] [INFO ] Deduced a trap composed of 17 places in 92 ms of which 13 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 18:45:30] [INFO ] Deduced a trap composed of 18 places in 90 ms of which 14 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 18:45:30] [INFO ] Deduced a trap composed of 19 places in 88 ms of which 14 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 18:45:30] [INFO ] Deduced a trap composed of 20 places in 87 ms of which 14 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 18:45:30] [INFO ] Deduced a trap composed of 21 places in 85 ms of which 14 ms to minimize.
At refinement iteration 13 (INCLUDED_ONLY) 0/618 variables, 7/412 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 14 (INCLUDED_ONLY) 0/618 variables, 0/412 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 15 (OVERLAPS) 18/636 variables, 10/422 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 16 (INCLUDED_ONLY) 0/636 variables, 0/422 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 17 (OVERLAPS) 6/642 variables, 3/425 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 18 (INCLUDED_ONLY) 0/642 variables, 0/425 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 19 (OVERLAPS) 2/644 variables, 1/426 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 20 (INCLUDED_ONLY) 0/644 variables, 0/426 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 21 (OVERLAPS) 2/646 variables, 1/427 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 22 (INCLUDED_ONLY) 0/646 variables, 0/427 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 23 (OVERLAPS) 0/646 variables, 0/427 constraints. Problems are: Problem set: 0 solved, 2 unsolved
No progress, stopping.
After SMT solving in domain Int declared 646/646 variables, and 427 constraints, problems are : Problem set: 0 solved, 2 unsolved in 3293 ms.
Refiners :[Positive P Invariants (semi-flows): 33/33 constraints, Generalized P Invariants (flows): 29/29 constraints, State Equation: 353/353 constraints, PredecessorRefiner: 2/2 constraints, Known Traps: 10/10 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 3994ms problems are : Problem set: 0 solved, 2 unsolved
Fused 2 Parikh solutions to 1 different solutions.
Parikh walk visited 0 properties in 2991 ms.
Support contains 4 out of 353 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 353/353 places, 293/293 transitions.
Graph (complete) has 766 edges and 353 vertex of which 347 are kept as prefixes of interest. Removing 6 places using SCC suffix rule.1 ms
Discarding 6 places :
Also discarding 3 output transitions
Drop transitions (Output transitions of discarded places.) removed 3 transitions
Drop transitions (Empty/Sink Transition effects.) removed 2 transitions
Reduce isomorphic transitions removed 2 transitions.
Drop transitions (Trivial Post-Agglo cleanup.) removed 16 transitions
Trivial Post-agglo rules discarded 16 transitions
Performed 16 trivial Post agglomeration. Transition count delta: 16
Iterating post reduction 0 with 18 rules applied. Total rules applied 19 place count 347 transition count 272
Reduce places removed 16 places and 0 transitions.
Iterating post reduction 1 with 16 rules applied. Total rules applied 35 place count 331 transition count 272
Performed 11 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 2 with 11 Pre rules applied. Total rules applied 35 place count 331 transition count 261
Deduced a syphon composed of 11 places in 0 ms
Reduce places removed 11 places and 0 transitions.
Iterating global reduction 2 with 22 rules applied. Total rules applied 57 place count 320 transition count 261
Performed 76 Post agglomeration using F-continuation condition.Transition count delta: 76
Deduced a syphon composed of 76 places in 0 ms
Reduce places removed 76 places and 0 transitions.
Iterating global reduction 2 with 152 rules applied. Total rules applied 209 place count 244 transition count 185
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 2 with 4 rules applied. Total rules applied 213 place count 242 transition count 187
Free-agglomeration rule (complex) applied 1 times.
Iterating global reduction 2 with 1 rules applied. Total rules applied 214 place count 242 transition count 186
Reduce places removed 1 places and 0 transitions.
Iterating post reduction 2 with 1 rules applied. Total rules applied 215 place count 241 transition count 186
Partial Free-agglomeration rule applied 1 times.
Drop transitions (Partial Free agglomeration) removed 1 transitions
Iterating global reduction 3 with 1 rules applied. Total rules applied 216 place count 241 transition count 186
Reduce places removed 1 places and 1 transitions.
Iterating global reduction 3 with 1 rules applied. Total rules applied 217 place count 240 transition count 185
Reduce places removed 1 places and 0 transitions.
Iterating post reduction 3 with 1 rules applied. Total rules applied 218 place count 239 transition count 185
Applied a total of 218 rules in 66 ms. Remains 239 /353 variables (removed 114) and now considering 185/293 (removed 108) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 67 ms. Remains : 239/353 places, 185/293 transitions.
RANDOM walk for 40000 steps (1765 resets) in 195 ms. (204 steps per ms) remains 2/2 properties
BEST_FIRST walk for 40003 steps (374 resets) in 106 ms. (373 steps per ms) remains 2/2 properties
BEST_FIRST walk for 40004 steps (371 resets) in 105 ms. (377 steps per ms) remains 2/2 properties
Interrupted probabilistic random walk after 817011 steps, run timeout after 3001 ms. (steps per millisecond=272 ) properties seen :0 out of 2
Probabilistic random walk after 817011 steps, saw 112996 distinct states, run finished after 3001 ms. (steps per millisecond=272 ) properties seen :0
// Phase 1: matrix 185 rows 239 cols
[2025-05-31 18:45:37] [INFO ] Computed 60 invariants in 2 ms
[2025-05-31 18:45:37] [INFO ] State equation strengthened by 6 read => feed constraints.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/4 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 1 (OVERLAPS) 8/12 variables, 3/3 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/12 variables, 0/3 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 3 (OVERLAPS) 4/16 variables, 2/5 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/16 variables, 0/5 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 5 (OVERLAPS) 120/136 variables, 7/12 constraints. Problems are: Problem set: 0 solved, 2 unsolved
All remaining problems are real, not stopping.
At refinement iteration 6 (INCLUDED_ONLY) 0/136 variables, 0/12 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 7 (OVERLAPS) 33/169 variables, 21/33 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/169 variables, 0/33 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 9 (OVERLAPS) 25/194 variables, 17/50 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/194 variables, 0/50 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 11 (OVERLAPS) 7/201 variables, 7/57 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 12 (INCLUDED_ONLY) 0/201 variables, 0/57 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 13 (OVERLAPS) 153/354 variables, 201/258 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 14 (INCLUDED_ONLY) 0/354 variables, 6/264 constraints. Problems are: Problem set: 0 solved, 2 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 18:45:38] [INFO ] Deduced a trap composed of 10 places in 92 ms of which 7 ms to minimize.
At refinement iteration 15 (INCLUDED_ONLY) 0/354 variables, 1/265 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 16 (INCLUDED_ONLY) 0/354 variables, 0/265 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 17 (OVERLAPS) 9/363 variables, 6/271 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 18 (INCLUDED_ONLY) 0/363 variables, 2/273 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 19 (INCLUDED_ONLY) 0/363 variables, 0/273 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 20 (OVERLAPS) 32/395 variables, 3/276 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 21 (INCLUDED_ONLY) 0/395 variables, 1/277 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 22 (INCLUDED_ONLY) 0/395 variables, 0/277 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 23 (OVERLAPS) 29/424 variables, 29/306 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 24 (INCLUDED_ONLY) 0/424 variables, 0/306 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 25 (OVERLAPS) 0/424 variables, 0/306 constraints. Problems are: Problem set: 0 solved, 2 unsolved
No progress, stopping.
After SMT solving in domain Real declared 424/424 variables, and 306 constraints, problems are : Problem set: 0 solved, 2 unsolved in 629 ms.
Refiners :[Positive P Invariants (semi-flows): 36/36 constraints, Generalized P Invariants (flows): 24/24 constraints, State Equation: 239/239 constraints, ReadFeed: 6/6 constraints, PredecessorRefiner: 2/2 constraints, Known Traps: 1/1 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) 0/4 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 1 (OVERLAPS) 8/12 variables, 3/3 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/12 variables, 0/3 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 3 (OVERLAPS) 4/16 variables, 2/5 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/16 variables, 0/5 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 5 (OVERLAPS) 120/136 variables, 7/12 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/136 variables, 0/12 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 7 (OVERLAPS) 33/169 variables, 21/33 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/169 variables, 1/34 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/169 variables, 0/34 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 10 (OVERLAPS) 25/194 variables, 17/51 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/194 variables, 0/51 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 12 (OVERLAPS) 7/201 variables, 7/58 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 13 (INCLUDED_ONLY) 0/201 variables, 0/58 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 14 (OVERLAPS) 153/354 variables, 201/259 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 15 (INCLUDED_ONLY) 0/354 variables, 6/265 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 16 (INCLUDED_ONLY) 0/354 variables, 2/267 constraints. Problems are: Problem set: 0 solved, 2 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 18:45:38] [INFO ] Deduced a trap composed of 13 places in 73 ms of which 7 ms to minimize.
At refinement iteration 17 (INCLUDED_ONLY) 0/354 variables, 1/268 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 18 (INCLUDED_ONLY) 0/354 variables, 0/268 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 19 (OVERLAPS) 9/363 variables, 6/274 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 20 (INCLUDED_ONLY) 0/363 variables, 2/276 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 21 (INCLUDED_ONLY) 0/363 variables, 0/276 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 22 (OVERLAPS) 32/395 variables, 3/279 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 23 (INCLUDED_ONLY) 0/395 variables, 1/280 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 24 (INCLUDED_ONLY) 0/395 variables, 0/280 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 25 (OVERLAPS) 29/424 variables, 29/309 constraints. Problems are: Problem set: 0 solved, 2 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 18:45:39] [INFO ] Deduced a trap composed of 5 places in 67 ms of which 5 ms to minimize.
At refinement iteration 26 (INCLUDED_ONLY) 0/424 variables, 1/310 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 27 (INCLUDED_ONLY) 0/424 variables, 0/310 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 28 (OVERLAPS) 0/424 variables, 0/310 constraints. Problems are: Problem set: 0 solved, 2 unsolved
No progress, stopping.
After SMT solving in domain Int declared 424/424 variables, and 310 constraints, problems are : Problem set: 0 solved, 2 unsolved in 920 ms.
Refiners :[Positive P Invariants (semi-flows): 36/36 constraints, Generalized P Invariants (flows): 24/24 constraints, State Equation: 239/239 constraints, ReadFeed: 6/6 constraints, PredecessorRefiner: 2/2 constraints, Known Traps: 3/3 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 1559ms problems are : Problem set: 0 solved, 2 unsolved
Fused 2 Parikh solutions to 1 different solutions.
Parikh walk visited 0 properties in 1034 ms.
Support contains 4 out of 239 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 239/239 places, 185/185 transitions.
Applied a total of 0 rules in 7 ms. Remains 239 /239 variables (removed 0) and now considering 185/185 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 7 ms. Remains : 239/239 places, 185/185 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 239/239 places, 185/185 transitions.
Applied a total of 0 rules in 8 ms. Remains 239 /239 variables (removed 0) and now considering 185/185 (removed 0) transitions.
[2025-05-31 18:45:40] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-05-31 18:45:40] [INFO ] Implicit Places using invariants in 275 ms returned []
[2025-05-31 18:45:40] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-05-31 18:45:41] [INFO ] State equation strengthened by 6 read => feed constraints.
[2025-05-31 18:45:41] [INFO ] Implicit Places using invariants and state equation in 489 ms returned []
Implicit Place search using SMT with State Equation took 766 ms to find 0 implicit places.
Starting Z3 with timeout 200.0 s and query timeout 20000.0 ms
[2025-05-31 18:45:41] [INFO ] Redundant transitions in 3 ms returned []
Running 182 sub problems to find dead transitions.
[2025-05-31 18:45:41] [INFO ] Invariant cache hit.
[2025-05-31 18:45:41] [INFO ] State equation strengthened by 6 read => feed constraints.
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/236 variables, 33/33 constraints. Problems are: Problem set: 0 solved, 182 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/236 variables, 17/50 constraints. Problems are: Problem set: 0 solved, 182 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/236 variables, 0/50 constraints. Problems are: Problem set: 0 solved, 182 unsolved
At refinement iteration 3 (OVERLAPS) 1/237 variables, 3/53 constraints. Problems are: Problem set: 0 solved, 182 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/237 variables, 0/53 constraints. Problems are: Problem set: 0 solved, 182 unsolved
At refinement iteration 5 (OVERLAPS) 1/238 variables, 7/60 constraints. Problems are: Problem set: 0 solved, 182 unsolved
All remaining problems are real, not stopping.
At refinement iteration 6 (INCLUDED_ONLY) 0/238 variables, 0/60 constraints. Problems are: Problem set: 0 solved, 182 unsolved
At refinement iteration 7 (OVERLAPS) 185/423 variables, 238/298 constraints. Problems are: Problem set: 0 solved, 182 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/423 variables, 6/304 constraints. Problems are: Problem set: 0 solved, 182 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 18:45:50] [INFO ] Deduced a trap composed of 15 places in 96 ms of which 10 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 18:45:50] [INFO ] Deduced a trap composed of 5 places in 30 ms of which 3 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 18:45:51] [INFO ] Deduced a trap composed of 15 places in 64 ms of which 7 ms to minimize.
At refinement iteration 9 (INCLUDED_ONLY) 0/423 variables, 3/307 constraints. Problems are: Problem set: 0 solved, 182 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 18:45:53] [INFO ] Deduced a trap composed of 17 places in 80 ms of which 7 ms to minimize.
At refinement iteration 10 (INCLUDED_ONLY) 0/423 variables, 1/308 constraints. Problems are: Problem set: 0 solved, 182 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/423 variables, 0/308 constraints. Problems are: Problem set: 0 solved, 182 unsolved
At refinement iteration 12 (OVERLAPS) 1/424 variables, 1/309 constraints. Problems are: Problem set: 0 solved, 182 unsolved
At refinement iteration 13 (INCLUDED_ONLY) 0/424 variables, 0/309 constraints. Problems are: Problem set: 0 solved, 182 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 18:46:01] [INFO ] Deduced a trap composed of 13 places in 90 ms of which 8 ms to minimize.
At refinement iteration 14 (OVERLAPS) 0/424 variables, 1/310 constraints. Problems are: Problem set: 0 solved, 182 unsolved
At refinement iteration 15 (INCLUDED_ONLY) 0/424 variables, 0/310 constraints. Problems are: Problem set: 0 solved, 182 unsolved
At refinement iteration 16 (OVERLAPS) 0/424 variables, 0/310 constraints. Problems are: Problem set: 0 solved, 182 unsolved
No progress, stopping.
After SMT solving in domain Real declared 424/424 variables, and 310 constraints, problems are : Problem set: 0 solved, 182 unsolved in 26946 ms.
Refiners :[Positive P Invariants (semi-flows): 36/36 constraints, Generalized P Invariants (flows): 24/24 constraints, State Equation: 239/239 constraints, ReadFeed: 6/6 constraints, PredecessorRefiner: 182/182 constraints, Known Traps: 5/5 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 182 unsolved
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/236 variables, 33/33 constraints. Problems are: Problem set: 0 solved, 182 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/236 variables, 17/50 constraints. Problems are: Problem set: 0 solved, 182 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/236 variables, 4/54 constraints. Problems are: Problem set: 0 solved, 182 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/236 variables, 0/54 constraints. Problems are: Problem set: 0 solved, 182 unsolved
At refinement iteration 4 (OVERLAPS) 1/237 variables, 3/57 constraints. Problems are: Problem set: 0 solved, 182 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/237 variables, 0/57 constraints. Problems are: Problem set: 0 solved, 182 unsolved
At refinement iteration 6 (OVERLAPS) 1/238 variables, 7/64 constraints. Problems are: Problem set: 0 solved, 182 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/238 variables, 1/65 constraints. Problems are: Problem set: 0 solved, 182 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/238 variables, 0/65 constraints. Problems are: Problem set: 0 solved, 182 unsolved
At refinement iteration 9 (OVERLAPS) 185/423 variables, 238/303 constraints. Problems are: Problem set: 0 solved, 182 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/423 variables, 6/309 constraints. Problems are: Problem set: 0 solved, 182 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/423 variables, 182/491 constraints. Problems are: Problem set: 0 solved, 182 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 18:46:22] [INFO ] Deduced a trap composed of 3 places in 56 ms of which 4 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 18:46:24] [INFO ] Deduced a trap composed of 18 places in 97 ms of which 11 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 18:46:24] [INFO ] Deduced a trap composed of 10 places in 80 ms of which 6 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 18:46:34] [INFO ] Deduced a trap composed of 3 places in 42 ms of which 4 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 18:46:35] [INFO ] Deduced a trap composed of 3 places in 38 ms of which 3 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 18:46:35] [INFO ] Deduced a trap composed of 4 places in 41 ms of which 4 ms to minimize.
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 423/424 variables, and 497 constraints, problems are : Problem set: 0 solved, 182 unsolved in 30017 ms.
Refiners :[Positive P Invariants (semi-flows): 36/36 constraints, Generalized P Invariants (flows): 24/24 constraints, State Equation: 238/239 constraints, ReadFeed: 6/6 constraints, PredecessorRefiner: 182/182 constraints, Known Traps: 11/11 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 57027ms problems are : Problem set: 0 solved, 182 unsolved
Search for dead transitions found 0 dead transitions in 57028ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 57810 ms. Remains : 239/239 places, 185/185 transitions.
Attempting over-approximation, by ignoring read arcs.
Partial Free-agglomeration rule applied 1 times.
Drop transitions (Partial Free agglomeration) removed 1 transitions
Iterating global reduction 0 with 1 rules applied. Total rules applied 1 place count 239 transition count 185
Applied a total of 1 rules in 14 ms. Remains 239 /239 variables (removed 0) and now considering 185/185 (removed 0) transitions.
Running SMT prover for 2 properties.
// Phase 1: matrix 185 rows 239 cols
[2025-05-31 18:46:38] [INFO ] Computed 60 invariants in 2 ms
Starting Z3 with timeout 450.0 s and query timeout 45000.0 ms
[2025-05-31 18:46:38] [INFO ] [Real]Absence check using 36 positive place invariants in 11 ms returned sat
[2025-05-31 18:46:38] [INFO ] [Real]Absence check using 36 positive and 24 generalized place invariants in 21 ms returned sat
[2025-05-31 18:46:38] [INFO ] After 126ms 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
[2025-05-31 18:46:38] [INFO ] [Nat]Absence check using 36 positive place invariants in 11 ms returned sat
[2025-05-31 18:46:38] [INFO ] [Nat]Absence check using 36 positive and 24 generalized place invariants in 19 ms returned sat
[2025-05-31 18:46:38] [INFO ] After 177ms 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
[2025-05-31 18:46:38] [INFO ] Deduced a trap composed of 13 places in 98 ms of which 11 ms to minimize.
[2025-05-31 18:46:38] [INFO ] Trap strengthening (SAT) tested/added 2/1 trap constraints in 120 ms
TRAPS : Iteration 1
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 18:46:39] [INFO ] Deduced a trap composed of 15 places in 89 ms of which 10 ms to minimize.
[2025-05-31 18:46:39] [INFO ] Trap strengthening (SAT) tested/added 2/1 trap constraints in 113 ms
TRAPS : Iteration 2
[2025-05-31 18:46:39] [INFO ] After 577ms SMT Verify possible using trap constraints in natural domain returned unsat :0 sat :2
[2025-05-31 18:46:39] [INFO ] After 725ms SMT Verify possible using all constraints in natural domain returned unsat :0 sat :2
Over-approximation ignoring read arcs solved 0 properties in 882 ms.
Knowledge obtained : [(AND (NOT p1) p0 (NOT p2) (NOT p3)), (X (NOT p2)), (X (NOT p1)), (X (NOT (AND p1 (NOT p2)))), (X (AND (NOT p1) (NOT p2))), (X (NOT p3)), (X (NOT (AND (NOT p1) (NOT p0)))), (X p0), (X (X (NOT p2))), (X (X (NOT p1))), (X (X (NOT (AND p1 (NOT p2))))), (X (X (AND (NOT p1) (NOT p2)))), (X (X (NOT p3))), (F (OR (G p0) (G (NOT p0)))), (F (OR (G p3) (G (NOT p3))))]
False Knowledge obtained : [(X (X (AND (NOT p0) (NOT p2)))), (X (X (NOT (AND (NOT p0) (NOT p2))))), (X (X (AND (NOT p1) (NOT p0)))), (X (X (NOT (AND (NOT p1) (NOT p0))))), (X (X p0)), (X (X (NOT p0))), (F (NOT (AND (NOT p1) (NOT p2)))), (F (NOT (OR (NOT p1) p2))), (F (NOT (OR p1 p0))), (F (NOT (OR p2 p0))), (F p1), (F (NOT p0))]
Knowledge based reduction with 15 factoid took 734 ms. Reduced automaton from 6 states, 16 edges and 4 AP (stutter sensitive) to 6 states, 16 edges and 4 AP (stutter sensitive).
Stuttering acceptance computed with spot in 243 ms :[(OR (NOT p1) (NOT p2) (NOT p3)), (NOT p0), (NOT p0), (NOT p2), (NOT p3), (NOT p2)]
Stuttering acceptance computed with spot in 242 ms :[(OR (NOT p1) (NOT p2) (NOT p3)), (NOT p0), (NOT p0), (NOT p2), (NOT p3), (NOT p2)]
// Phase 1: matrix 293 rows 353 cols
[2025-05-31 18:46:40] [INFO ] Computed 62 invariants in 4 ms
Starting Z3 with timeout 15.0 s and query timeout 1500.0 ms
[2025-05-31 18:46:40] [INFO ] [Real]Absence check using 33 positive place invariants in 24 ms returned sat
[2025-05-31 18:46:40] [INFO ] [Real]Absence check using 33 positive and 29 generalized place invariants in 115 ms returned sat
[2025-05-31 18:46:43] [INFO ] [Real]Absence check using state equation in 2840 ms returned sat
[2025-05-31 18:46:43] [INFO ] Solution in real domain found non-integer solution.
Starting Z3 with timeout 15.0 s and query timeout 1500.0 ms
[2025-05-31 18:46:44] [INFO ] [Nat]Absence check using 33 positive place invariants in 25 ms returned sat
[2025-05-31 18:46:44] [INFO ] [Nat]Absence check using 33 positive and 29 generalized place invariants in 52 ms returned sat
[2025-05-31 18:46:58] [INFO ] [Nat]Absence check using state equation in 14664 ms returned unknown
Could not prove EG (NOT p1)
[2025-05-31 18:46:58] [INFO ] Invariant cache hit.
Starting Z3 with timeout 15.0 s and query timeout 1500.0 ms
[2025-05-31 18:46:59] [INFO ] [Real]Absence check using 33 positive place invariants in 26 ms returned sat
[2025-05-31 18:46:59] [INFO ] [Real]Absence check using 33 positive and 29 generalized place invariants in 129 ms returned sat
[2025-05-31 18:47:03] [INFO ] [Real]Absence check using state equation in 4598 ms returned sat
[2025-05-31 18:47:03] [INFO ] Solution in real domain found non-integer solution.
Starting Z3 with timeout 15.0 s and query timeout 1500.0 ms
[2025-05-31 18:47:04] [INFO ] [Nat]Absence check using 33 positive place invariants in 24 ms returned sat
[2025-05-31 18:47:04] [INFO ] [Nat]Absence check using 33 positive and 29 generalized place invariants in 65 ms returned sat
[2025-05-31 18:47:18] [INFO ] [Nat]Absence check using state equation in 14639 ms returned unknown
Could not prove EG (NOT p2)
[2025-05-31 18:47:18] [INFO ] Invariant cache hit.
Starting Z3 with timeout 15.0 s and query timeout 1500.0 ms
[2025-05-31 18:47:19] [INFO ] [Real]Absence check using 33 positive place invariants in 24 ms returned sat
[2025-05-31 18:47:19] [INFO ] [Real]Absence check using 33 positive and 29 generalized place invariants in 77 ms returned sat
[2025-05-31 18:47:21] [INFO ] [Real]Absence check using state equation in 2364 ms returned sat
[2025-05-31 18:47:21] [INFO ] Solution in real domain found non-integer solution.
Starting Z3 with timeout 15.0 s and query timeout 1500.0 ms
[2025-05-31 18:47:21] [INFO ] [Nat]Absence check using 33 positive place invariants in 23 ms returned sat
[2025-05-31 18:47:22] [INFO ] [Nat]Absence check using 33 positive and 29 generalized place invariants in 98 ms returned sat
[2025-05-31 18:47:29] [INFO ] [Nat]Absence check using state equation in 7217 ms returned sat
[2025-05-31 18:47:29] [INFO ] Computed and/alt/rep : 287/602/287 causal constraints (skipped 5 transitions) in 24 ms.
Could not prove EG (NOT p3)
Support contains 6 out of 353 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 353/353 places, 293/293 transitions.
Applied a total of 0 rules in 8 ms. Remains 353 /353 variables (removed 0) and now considering 293/293 (removed 0) transitions.
[2025-05-31 18:47:36] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-05-31 18:47:36] [INFO ] Implicit Places using invariants in 344 ms returned []
[2025-05-31 18:47:36] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-05-31 18:47:37] [INFO ] Implicit Places using invariants and state equation in 890 ms returned []
Implicit Place search using SMT with State Equation took 1236 ms to find 0 implicit places.
Running 292 sub problems to find dead transitions.
[2025-05-31 18:47:37] [INFO ] Invariant cache hit.
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/352 variables, 15/15 constraints. Problems are: Problem set: 0 solved, 292 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/352 variables, 0/15 constraints. Problems are: Problem set: 0 solved, 292 unsolved
At refinement iteration 2 (OVERLAPS) 1/353 variables, 33/48 constraints. Problems are: Problem set: 0 solved, 292 unsolved
All remaining problems are real, not stopping.
At refinement iteration 3 (INCLUDED_ONLY) 0/353 variables, 14/62 constraints. Problems are: Problem set: 0 solved, 292 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/353 variables, 0/62 constraints. Problems are: Problem set: 0 solved, 292 unsolved
At refinement iteration 5 (OVERLAPS) 293/646 variables, 353/415 constraints. Problems are: Problem set: 0 solved, 292 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 18:47:48] [INFO ] Deduced a trap composed of 10 places in 128 ms of which 10 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 18:47:48] [INFO ] Deduced a trap composed of 15 places in 107 ms of which 14 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 18:47:48] [INFO ] Deduced a trap composed of 29 places in 98 ms of which 11 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 18:47:48] [INFO ] Deduced a trap composed of 12 places in 124 ms of which 13 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 18:47:48] [INFO ] Deduced a trap composed of 13 places in 140 ms of which 13 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 18:47:49] [INFO ] Deduced a trap composed of 17 places in 118 ms of which 13 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 18:47:49] [INFO ] Deduced a trap composed of 18 places in 97 ms of which 8 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 18:47:49] [INFO ] Deduced a trap composed of 22 places in 110 ms of which 15 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 18:47:49] [INFO ] Deduced a trap composed of 23 places in 101 ms of which 12 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 18:47:49] [INFO ] Deduced a trap composed of 30 places in 93 ms of which 6 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 18:47:49] [INFO ] Deduced a trap composed of 23 places in 100 ms of which 14 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 18:47:50] [INFO ] Deduced a trap composed of 17 places in 99 ms of which 11 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 18:47:50] [INFO ] Deduced a trap composed of 17 places in 98 ms of which 10 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 18:47:50] [INFO ] Deduced a trap composed of 18 places in 95 ms of which 8 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 18:47:50] [INFO ] Deduced a trap composed of 18 places in 72 ms of which 6 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 18:47:50] [INFO ] Deduced a trap composed of 15 places in 51 ms of which 4 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 18:47:50] [INFO ] Deduced a trap composed of 16 places in 58 ms of which 5 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 18:47:51] [INFO ] Deduced a trap composed of 8 places in 143 ms of which 11 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 18:47:51] [INFO ] Deduced a trap composed of 14 places in 119 ms of which 11 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 18:47:51] [INFO ] Deduced a trap composed of 18 places in 99 ms of which 13 ms to minimize.
At refinement iteration 6 (INCLUDED_ONLY) 0/646 variables, 20/435 constraints. Problems are: Problem set: 0 solved, 292 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 18:47:53] [INFO ] Deduced a trap composed of 14 places in 71 ms of which 6 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 18:47:53] [INFO ] Deduced a trap composed of 18 places in 55 ms of which 7 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 18:47:53] [INFO ] Deduced a trap composed of 17 places in 55 ms of which 8 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 18:47:54] [INFO ] Deduced a trap composed of 19 places in 63 ms of which 6 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 18:47:54] [INFO ] Deduced a trap composed of 18 places in 51 ms of which 8 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 18:47:54] [INFO ] Deduced a trap composed of 20 places in 58 ms of which 7 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 18:47:54] [INFO ] Deduced a trap composed of 19 places in 50 ms of which 7 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 18:47:54] [INFO ] Deduced a trap composed of 21 places in 46 ms of which 5 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 18:47:54] [INFO ] Deduced a trap composed of 20 places in 50 ms of which 8 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 18:47:54] [INFO ] Deduced a trap composed of 22 places in 48 ms of which 6 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 18:47:54] [INFO ] Deduced a trap composed of 21 places in 47 ms of which 8 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 18:47:54] [INFO ] Deduced a trap composed of 23 places in 42 ms of which 5 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 18:47:56] [INFO ] Deduced a trap composed of 9 places in 56 ms of which 6 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 18:47:56] [INFO ] Deduced a trap composed of 10 places in 45 ms of which 4 ms to minimize.
At refinement iteration 7 (INCLUDED_ONLY) 0/646 variables, 14/449 constraints. Problems are: Problem set: 0 solved, 292 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 18:47:59] [INFO ] Deduced a trap composed of 16 places in 93 ms of which 8 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 18:47:59] [INFO ] Deduced a trap composed of 22 places in 144 ms of which 14 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 18:48:03] [INFO ] Deduced a trap composed of 27 places in 87 ms of which 9 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 18:48:03] [INFO ] Deduced a trap composed of 28 places in 88 ms of which 10 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 18:48:03] [INFO ] Deduced a trap composed of 29 places in 99 ms of which 14 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 18:48:03] [INFO ] Deduced a trap composed of 18 places in 73 ms of which 7 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 18:48:03] [INFO ] Deduced a trap composed of 19 places in 63 ms of which 6 ms to minimize.
At refinement iteration 8 (INCLUDED_ONLY) 0/646 variables, 7/456 constraints. Problems are: Problem set: 0 solved, 292 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Real declared 646/646 variables, and 456 constraints, problems are : Problem set: 0 solved, 292 unsolved in 30011 ms.
Refiners :[Positive P Invariants (semi-flows): 33/33 constraints, Generalized P Invariants (flows): 29/29 constraints, State Equation: 353/353 constraints, PredecessorRefiner: 292/292 constraints, Known Traps: 41/41 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 292 unsolved
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/352 variables, 15/15 constraints. Problems are: Problem set: 0 solved, 292 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/352 variables, 0/15 constraints. Problems are: Problem set: 0 solved, 292 unsolved
At refinement iteration 2 (OVERLAPS) 1/353 variables, 33/48 constraints. Problems are: Problem set: 0 solved, 292 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/353 variables, 14/62 constraints. Problems are: Problem set: 0 solved, 292 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/353 variables, 41/103 constraints. Problems are: Problem set: 0 solved, 292 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 18:48:11] [INFO ] Deduced a trap composed of 25 places in 88 ms of which 5 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 18:48:11] [INFO ] Deduced a trap composed of 13 places in 85 ms of which 6 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 18:48:11] [INFO ] Deduced a trap composed of 32 places in 58 ms of which 5 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 18:48:11] [INFO ] Deduced a trap composed of 19 places in 50 ms of which 4 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 18:48:11] [INFO ] Deduced a trap composed of 20 places in 45 ms of which 4 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 18:48:11] [INFO ] Deduced a trap composed of 20 places in 61 ms of which 7 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 18:48:12] [INFO ] Deduced a trap composed of 21 places in 61 ms of which 6 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 18:48:12] [INFO ] Deduced a trap composed of 22 places in 60 ms of which 7 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 18:48:12] [INFO ] Deduced a trap composed of 23 places in 57 ms of which 6 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 18:48:12] [INFO ] Deduced a trap composed of 7 places in 153 ms of which 9 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 18:48:12] [INFO ] Deduced a trap composed of 10 places in 161 ms of which 11 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 18:48:12] [INFO ] Deduced a trap composed of 11 places in 135 ms of which 9 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 18:48:13] [INFO ] Deduced a trap composed of 13 places in 48 ms of which 4 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 18:48:13] [INFO ] Deduced a trap composed of 14 places in 49 ms of which 5 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 18:48:13] [INFO ] Deduced a trap composed of 11 places in 45 ms of which 4 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 18:48:13] [INFO ] Deduced a trap composed of 14 places in 44 ms of which 3 ms to minimize.
At refinement iteration 5 (INCLUDED_ONLY) 0/353 variables, 16/119 constraints. Problems are: Problem set: 0 solved, 292 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 18:48:15] [INFO ] Deduced a trap composed of 21 places in 70 ms of which 6 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 18:48:15] [INFO ] Deduced a trap composed of 21 places in 42 ms of which 4 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 18:48:15] [INFO ] Deduced a trap composed of 22 places in 39 ms of which 4 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 18:48:15] [INFO ] Deduced a trap composed of 23 places in 37 ms of which 4 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 18:48:15] [INFO ] Deduced a trap composed of 24 places in 36 ms of which 3 ms to minimize.
At refinement iteration 6 (INCLUDED_ONLY) 0/353 variables, 5/124 constraints. Problems are: Problem set: 0 solved, 292 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/353 variables, 0/124 constraints. Problems are: Problem set: 0 solved, 292 unsolved
At refinement iteration 8 (OVERLAPS) 293/646 variables, 353/477 constraints. Problems are: Problem set: 0 solved, 292 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/646 variables, 292/769 constraints. Problems are: Problem set: 0 solved, 292 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 646/646 variables, and 769 constraints, problems are : Problem set: 0 solved, 292 unsolved in 30016 ms.
Refiners :[Positive P Invariants (semi-flows): 33/33 constraints, Generalized P Invariants (flows): 29/29 constraints, State Equation: 353/353 constraints, PredecessorRefiner: 292/292 constraints, Known Traps: 62/62 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 60086ms problems are : Problem set: 0 solved, 292 unsolved
Search for dead transitions found 0 dead transitions in 60087ms
Finished structural reductions in LTL mode , in 1 iterations and 61332 ms. Remains : 353/353 places, 293/293 transitions.
Computed a total of 176 stabilizing places and 168 stable transitions
Graph (complete) has 766 edges and 353 vertex of which 347 are kept as prefixes of interest. Removing 6 places using SCC suffix rule.2 ms
Computed a total of 176 stabilizing places and 168 stable transitions
Detected a total of 176/353 stabilizing places and 168/293 transitions leading to convergence knowledge of the form 'F(Gp|G!p)' for 2/4 atomic propositions.
Knowledge obtained : [(AND (NOT p1) p0 (NOT p2) (NOT p3)), (X (NOT p2)), (X (NOT p1)), (X (NOT (AND p1 (NOT p2)))), (X (AND (NOT p1) (NOT p2))), (X (NOT p3)), (X (NOT (AND (NOT p1) (NOT p0)))), (X p0), (X (X (NOT p2))), (X (X (NOT p1))), (X (X (NOT (AND p1 (NOT p2))))), (X (X (AND (NOT p1) (NOT p2)))), (X (X (NOT p3))), (F (OR (G p0) (G (NOT p0)))), (F (OR (G p3) (G (NOT p3))))]
False Knowledge obtained : [(X (X (AND (NOT p2) (NOT p0)))), (X (X (NOT (AND (NOT p2) (NOT p0))))), (X (X (AND (NOT p1) (NOT p0)))), (X (X (NOT (AND (NOT p1) (NOT p0))))), (X (X p0)), (X (X (NOT p0)))]
Knowledge based reduction with 15 factoid took 458 ms. Reduced automaton from 6 states, 16 edges and 4 AP (stutter sensitive) to 6 states, 16 edges and 4 AP (stutter sensitive).
Stuttering acceptance computed with spot in 243 ms :[(OR (NOT p1) (NOT p2) (NOT p3)), (NOT p0), (NOT p0), (NOT p2), (NOT p3), (NOT p2)]
RANDOM walk for 40000 steps (347 resets) in 154 ms. (258 steps per ms) remains 2/8 properties
BEST_FIRST walk for 40004 steps (62 resets) in 83 ms. (476 steps per ms) remains 2/2 properties
BEST_FIRST walk for 40004 steps (48 resets) in 81 ms. (487 steps per ms) remains 2/2 properties
[2025-05-31 18:48:38] [INFO ] Invariant cache hit.
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/4 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 1 (OVERLAPS) 10/14 variables, 2/2 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/14 variables, 0/2 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 3 (OVERLAPS) 151/165 variables, 31/33 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/165 variables, 0/33 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 5 (OVERLAPS) 169/334 variables, 27/60 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/334 variables, 0/60 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 7 (OVERLAPS) 4/338 variables, 2/62 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/338 variables, 0/62 constraints. Problems are: Problem set: 0 solved, 2 unsolved
All remaining problems are real, not stopping.
At refinement iteration 9 (OVERLAPS) 280/618 variables, 338/400 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/618 variables, 0/400 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 11 (OVERLAPS) 18/636 variables, 10/410 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 12 (INCLUDED_ONLY) 0/636 variables, 0/410 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 13 (OVERLAPS) 6/642 variables, 3/413 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 14 (INCLUDED_ONLY) 0/642 variables, 0/413 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 15 (OVERLAPS) 2/644 variables, 1/414 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 16 (INCLUDED_ONLY) 0/644 variables, 0/414 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 17 (OVERLAPS) 2/646 variables, 1/415 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 18 (INCLUDED_ONLY) 0/646 variables, 0/415 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 19 (OVERLAPS) 0/646 variables, 0/415 constraints. Problems are: Problem set: 0 solved, 2 unsolved
No progress, stopping.
After SMT solving in domain Real declared 646/646 variables, and 415 constraints, problems are : Problem set: 0 solved, 2 unsolved in 737 ms.
Refiners :[Positive P Invariants (semi-flows): 33/33 constraints, Generalized P Invariants (flows): 29/29 constraints, State Equation: 353/353 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 5.0 s and query timeout 500.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/4 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 1 (OVERLAPS) 10/14 variables, 2/2 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/14 variables, 0/2 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 3 (OVERLAPS) 151/165 variables, 31/33 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/165 variables, 0/33 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 5 (OVERLAPS) 169/334 variables, 27/60 constraints. Problems are: Problem set: 0 solved, 2 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 18:48:39] [INFO ] Deduced a trap composed of 16 places in 92 ms of which 7 ms to minimize.
At refinement iteration 6 (INCLUDED_ONLY) 0/334 variables, 1/61 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/334 variables, 0/61 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 8 (OVERLAPS) 4/338 variables, 2/63 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/338 variables, 0/63 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 10 (OVERLAPS) 280/618 variables, 338/401 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/618 variables, 2/403 constraints. Problems are: Problem set: 0 solved, 2 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 18:48:40] [INFO ] Deduced a trap composed of 9 places in 96 ms of which 9 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 18:48:40] [INFO ] Deduced a trap composed of 29 places in 72 ms of which 10 ms to minimize.
At refinement iteration 12 (INCLUDED_ONLY) 0/618 variables, 2/405 constraints. Problems are: Problem set: 0 solved, 2 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 18:48:40] [INFO ] Deduced a trap composed of 22 places in 112 ms of which 18 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 18:48:41] [INFO ] Deduced a trap composed of 16 places in 97 ms of which 13 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 18:48:41] [INFO ] Deduced a trap composed of 17 places in 100 ms of which 14 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 18:48:41] [INFO ] Deduced a trap composed of 18 places in 94 ms of which 14 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 18:48:41] [INFO ] Deduced a trap composed of 19 places in 92 ms of which 15 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 18:48:41] [INFO ] Deduced a trap composed of 20 places in 90 ms of which 14 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 18:48:41] [INFO ] Deduced a trap composed of 21 places in 85 ms of which 14 ms to minimize.
At refinement iteration 13 (INCLUDED_ONLY) 0/618 variables, 7/412 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 14 (INCLUDED_ONLY) 0/618 variables, 0/412 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 15 (OVERLAPS) 18/636 variables, 10/422 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 16 (INCLUDED_ONLY) 0/636 variables, 0/422 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 17 (OVERLAPS) 6/642 variables, 3/425 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 18 (INCLUDED_ONLY) 0/642 variables, 0/425 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 19 (OVERLAPS) 2/644 variables, 1/426 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 20 (INCLUDED_ONLY) 0/644 variables, 0/426 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 21 (OVERLAPS) 2/646 variables, 1/427 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 22 (INCLUDED_ONLY) 0/646 variables, 0/427 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 23 (OVERLAPS) 0/646 variables, 0/427 constraints. Problems are: Problem set: 0 solved, 2 unsolved
No progress, stopping.
After SMT solving in domain Int declared 646/646 variables, and 427 constraints, problems are : Problem set: 0 solved, 2 unsolved in 3342 ms.
Refiners :[Positive P Invariants (semi-flows): 33/33 constraints, Generalized P Invariants (flows): 29/29 constraints, State Equation: 353/353 constraints, PredecessorRefiner: 2/2 constraints, Known Traps: 10/10 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 4088ms problems are : Problem set: 0 solved, 2 unsolved
Fused 2 Parikh solutions to 1 different solutions.
Parikh walk visited 0 properties in 2381 ms.
Support contains 4 out of 353 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 353/353 places, 293/293 transitions.
Graph (complete) has 766 edges and 353 vertex of which 347 are kept as prefixes of interest. Removing 6 places using SCC suffix rule.1 ms
Discarding 6 places :
Also discarding 3 output transitions
Drop transitions (Output transitions of discarded places.) removed 3 transitions
Drop transitions (Empty/Sink Transition effects.) removed 2 transitions
Reduce isomorphic transitions removed 2 transitions.
Drop transitions (Trivial Post-Agglo cleanup.) removed 16 transitions
Trivial Post-agglo rules discarded 16 transitions
Performed 16 trivial Post agglomeration. Transition count delta: 16
Iterating post reduction 0 with 18 rules applied. Total rules applied 19 place count 347 transition count 272
Reduce places removed 16 places and 0 transitions.
Iterating post reduction 1 with 16 rules applied. Total rules applied 35 place count 331 transition count 272
Performed 11 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 2 with 11 Pre rules applied. Total rules applied 35 place count 331 transition count 261
Deduced a syphon composed of 11 places in 1 ms
Reduce places removed 11 places and 0 transitions.
Iterating global reduction 2 with 22 rules applied. Total rules applied 57 place count 320 transition count 261
Performed 76 Post agglomeration using F-continuation condition.Transition count delta: 76
Deduced a syphon composed of 76 places in 0 ms
Reduce places removed 76 places and 0 transitions.
Iterating global reduction 2 with 152 rules applied. Total rules applied 209 place count 244 transition count 185
Performed 2 Post agglomeration using F-continuation condition.Transition count delta: -2
Deduced a syphon composed of 2 places in 1 ms
Reduce places removed 2 places and 0 transitions.
Iterating global reduction 2 with 4 rules applied. Total rules applied 213 place count 242 transition count 187
Free-agglomeration rule (complex) applied 1 times.
Iterating global reduction 2 with 1 rules applied. Total rules applied 214 place count 242 transition count 186
Reduce places removed 1 places and 0 transitions.
Iterating post reduction 2 with 1 rules applied. Total rules applied 215 place count 241 transition count 186
Partial Free-agglomeration rule applied 1 times.
Drop transitions (Partial Free agglomeration) removed 1 transitions
Iterating global reduction 3 with 1 rules applied. Total rules applied 216 place count 241 transition count 186
Reduce places removed 1 places and 1 transitions.
Iterating global reduction 3 with 1 rules applied. Total rules applied 217 place count 240 transition count 185
Reduce places removed 1 places and 0 transitions.
Iterating post reduction 3 with 1 rules applied. Total rules applied 218 place count 239 transition count 185
Applied a total of 218 rules in 55 ms. Remains 239 /353 variables (removed 114) and now considering 185/293 (removed 108) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 56 ms. Remains : 239/353 places, 185/293 transitions.
RANDOM walk for 40000 steps (1720 resets) in 192 ms. (207 steps per ms) remains 2/2 properties
BEST_FIRST walk for 40004 steps (328 resets) in 107 ms. (370 steps per ms) remains 2/2 properties
BEST_FIRST walk for 40004 steps (330 resets) in 100 ms. (396 steps per ms) remains 2/2 properties
Interrupted probabilistic random walk after 832918 steps, run timeout after 3001 ms. (steps per millisecond=277 ) properties seen :0 out of 2
Probabilistic random walk after 832918 steps, saw 115114 distinct states, run finished after 3001 ms. (steps per millisecond=277 ) properties seen :0
// Phase 1: matrix 185 rows 239 cols
[2025-05-31 18:48:48] [INFO ] Computed 60 invariants in 2 ms
[2025-05-31 18:48:48] [INFO ] State equation strengthened by 6 read => feed constraints.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/4 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 1 (OVERLAPS) 8/12 variables, 3/3 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/12 variables, 0/3 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 3 (OVERLAPS) 4/16 variables, 2/5 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/16 variables, 0/5 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 5 (OVERLAPS) 120/136 variables, 7/12 constraints. Problems are: Problem set: 0 solved, 2 unsolved
All remaining problems are real, not stopping.
At refinement iteration 6 (INCLUDED_ONLY) 0/136 variables, 0/12 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 7 (OVERLAPS) 33/169 variables, 21/33 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/169 variables, 0/33 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 9 (OVERLAPS) 25/194 variables, 17/50 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/194 variables, 0/50 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 11 (OVERLAPS) 7/201 variables, 7/57 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 12 (INCLUDED_ONLY) 0/201 variables, 0/57 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 13 (OVERLAPS) 153/354 variables, 201/258 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 14 (INCLUDED_ONLY) 0/354 variables, 6/264 constraints. Problems are: Problem set: 0 solved, 2 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 18:48:48] [INFO ] Deduced a trap composed of 10 places in 93 ms of which 7 ms to minimize.
At refinement iteration 15 (INCLUDED_ONLY) 0/354 variables, 1/265 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 16 (INCLUDED_ONLY) 0/354 variables, 0/265 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 17 (OVERLAPS) 9/363 variables, 6/271 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 18 (INCLUDED_ONLY) 0/363 variables, 2/273 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 19 (INCLUDED_ONLY) 0/363 variables, 0/273 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 20 (OVERLAPS) 32/395 variables, 3/276 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 21 (INCLUDED_ONLY) 0/395 variables, 1/277 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 22 (INCLUDED_ONLY) 0/395 variables, 0/277 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 23 (OVERLAPS) 29/424 variables, 29/306 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 24 (INCLUDED_ONLY) 0/424 variables, 0/306 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 25 (OVERLAPS) 0/424 variables, 0/306 constraints. Problems are: Problem set: 0 solved, 2 unsolved
No progress, stopping.
After SMT solving in domain Real declared 424/424 variables, and 306 constraints, problems are : Problem set: 0 solved, 2 unsolved in 638 ms.
Refiners :[Positive P Invariants (semi-flows): 36/36 constraints, Generalized P Invariants (flows): 24/24 constraints, State Equation: 239/239 constraints, ReadFeed: 6/6 constraints, PredecessorRefiner: 2/2 constraints, Known Traps: 1/1 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) 0/4 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 1 (OVERLAPS) 8/12 variables, 3/3 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/12 variables, 0/3 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 3 (OVERLAPS) 4/16 variables, 2/5 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/16 variables, 0/5 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 5 (OVERLAPS) 120/136 variables, 7/12 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/136 variables, 0/12 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 7 (OVERLAPS) 33/169 variables, 21/33 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/169 variables, 1/34 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/169 variables, 0/34 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 10 (OVERLAPS) 25/194 variables, 17/51 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/194 variables, 0/51 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 12 (OVERLAPS) 7/201 variables, 7/58 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 13 (INCLUDED_ONLY) 0/201 variables, 0/58 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 14 (OVERLAPS) 153/354 variables, 201/259 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 15 (INCLUDED_ONLY) 0/354 variables, 6/265 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 16 (INCLUDED_ONLY) 0/354 variables, 2/267 constraints. Problems are: Problem set: 0 solved, 2 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 18:48:49] [INFO ] Deduced a trap composed of 13 places in 72 ms of which 8 ms to minimize.
At refinement iteration 17 (INCLUDED_ONLY) 0/354 variables, 1/268 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 18 (INCLUDED_ONLY) 0/354 variables, 0/268 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 19 (OVERLAPS) 9/363 variables, 6/274 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 20 (INCLUDED_ONLY) 0/363 variables, 2/276 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 21 (INCLUDED_ONLY) 0/363 variables, 0/276 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 22 (OVERLAPS) 32/395 variables, 3/279 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 23 (INCLUDED_ONLY) 0/395 variables, 1/280 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 24 (INCLUDED_ONLY) 0/395 variables, 0/280 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 25 (OVERLAPS) 29/424 variables, 29/309 constraints. Problems are: Problem set: 0 solved, 2 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 18:48:49] [INFO ] Deduced a trap composed of 5 places in 68 ms of which 6 ms to minimize.
At refinement iteration 26 (INCLUDED_ONLY) 0/424 variables, 1/310 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 27 (INCLUDED_ONLY) 0/424 variables, 0/310 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 28 (OVERLAPS) 0/424 variables, 0/310 constraints. Problems are: Problem set: 0 solved, 2 unsolved
No progress, stopping.
After SMT solving in domain Int declared 424/424 variables, and 310 constraints, problems are : Problem set: 0 solved, 2 unsolved in 946 ms.
Refiners :[Positive P Invariants (semi-flows): 36/36 constraints, Generalized P Invariants (flows): 24/24 constraints, State Equation: 239/239 constraints, ReadFeed: 6/6 constraints, PredecessorRefiner: 2/2 constraints, Known Traps: 3/3 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 1593ms problems are : Problem set: 0 solved, 2 unsolved
Fused 2 Parikh solutions to 1 different solutions.
Parikh walk visited 0 properties in 871 ms.
Support contains 4 out of 239 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 239/239 places, 185/185 transitions.
Applied a total of 0 rules in 7 ms. Remains 239 /239 variables (removed 0) and now considering 185/185 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 7 ms. Remains : 239/239 places, 185/185 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 239/239 places, 185/185 transitions.
Applied a total of 0 rules in 7 ms. Remains 239 /239 variables (removed 0) and now considering 185/185 (removed 0) transitions.
[2025-05-31 18:48:50] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-05-31 18:48:51] [INFO ] Implicit Places using invariants in 284 ms returned []
[2025-05-31 18:48:51] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-05-31 18:48:51] [INFO ] State equation strengthened by 6 read => feed constraints.
[2025-05-31 18:48:51] [INFO ] Implicit Places using invariants and state equation in 502 ms returned []
Implicit Place search using SMT with State Equation took 788 ms to find 0 implicit places.
Starting Z3 with timeout 200.0 s and query timeout 20000.0 ms
[2025-05-31 18:48:51] [INFO ] Redundant transitions in 2 ms returned []
Running 182 sub problems to find dead transitions.
[2025-05-31 18:48:51] [INFO ] Invariant cache hit.
[2025-05-31 18:48:51] [INFO ] State equation strengthened by 6 read => feed constraints.
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/236 variables, 33/33 constraints. Problems are: Problem set: 0 solved, 182 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/236 variables, 17/50 constraints. Problems are: Problem set: 0 solved, 182 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/236 variables, 0/50 constraints. Problems are: Problem set: 0 solved, 182 unsolved
At refinement iteration 3 (OVERLAPS) 1/237 variables, 3/53 constraints. Problems are: Problem set: 0 solved, 182 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/237 variables, 0/53 constraints. Problems are: Problem set: 0 solved, 182 unsolved
At refinement iteration 5 (OVERLAPS) 1/238 variables, 7/60 constraints. Problems are: Problem set: 0 solved, 182 unsolved
All remaining problems are real, not stopping.
At refinement iteration 6 (INCLUDED_ONLY) 0/238 variables, 0/60 constraints. Problems are: Problem set: 0 solved, 182 unsolved
At refinement iteration 7 (OVERLAPS) 185/423 variables, 238/298 constraints. Problems are: Problem set: 0 solved, 182 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/423 variables, 6/304 constraints. Problems are: Problem set: 0 solved, 182 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 18:49:00] [INFO ] Deduced a trap composed of 15 places in 95 ms of which 12 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 18:49:01] [INFO ] Deduced a trap composed of 5 places in 31 ms of which 2 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 18:49:02] [INFO ] Deduced a trap composed of 15 places in 64 ms of which 8 ms to minimize.
At refinement iteration 9 (INCLUDED_ONLY) 0/423 variables, 3/307 constraints. Problems are: Problem set: 0 solved, 182 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 18:49:03] [INFO ] Deduced a trap composed of 17 places in 83 ms of which 7 ms to minimize.
At refinement iteration 10 (INCLUDED_ONLY) 0/423 variables, 1/308 constraints. Problems are: Problem set: 0 solved, 182 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/423 variables, 0/308 constraints. Problems are: Problem set: 0 solved, 182 unsolved
At refinement iteration 12 (OVERLAPS) 1/424 variables, 1/309 constraints. Problems are: Problem set: 0 solved, 182 unsolved
At refinement iteration 13 (INCLUDED_ONLY) 0/424 variables, 0/309 constraints. Problems are: Problem set: 0 solved, 182 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 18:49:11] [INFO ] Deduced a trap composed of 13 places in 92 ms of which 8 ms to minimize.
At refinement iteration 14 (OVERLAPS) 0/424 variables, 1/310 constraints. Problems are: Problem set: 0 solved, 182 unsolved
At refinement iteration 15 (INCLUDED_ONLY) 0/424 variables, 0/310 constraints. Problems are: Problem set: 0 solved, 182 unsolved
At refinement iteration 16 (OVERLAPS) 0/424 variables, 0/310 constraints. Problems are: Problem set: 0 solved, 182 unsolved
No progress, stopping.
After SMT solving in domain Real declared 424/424 variables, and 310 constraints, problems are : Problem set: 0 solved, 182 unsolved in 26626 ms.
Refiners :[Positive P Invariants (semi-flows): 36/36 constraints, Generalized P Invariants (flows): 24/24 constraints, State Equation: 239/239 constraints, ReadFeed: 6/6 constraints, PredecessorRefiner: 182/182 constraints, Known Traps: 5/5 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 182 unsolved
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/236 variables, 33/33 constraints. Problems are: Problem set: 0 solved, 182 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/236 variables, 17/50 constraints. Problems are: Problem set: 0 solved, 182 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/236 variables, 4/54 constraints. Problems are: Problem set: 0 solved, 182 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/236 variables, 0/54 constraints. Problems are: Problem set: 0 solved, 182 unsolved
At refinement iteration 4 (OVERLAPS) 1/237 variables, 3/57 constraints. Problems are: Problem set: 0 solved, 182 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/237 variables, 0/57 constraints. Problems are: Problem set: 0 solved, 182 unsolved
At refinement iteration 6 (OVERLAPS) 1/238 variables, 7/64 constraints. Problems are: Problem set: 0 solved, 182 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/238 variables, 1/65 constraints. Problems are: Problem set: 0 solved, 182 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/238 variables, 0/65 constraints. Problems are: Problem set: 0 solved, 182 unsolved
At refinement iteration 9 (OVERLAPS) 185/423 variables, 238/303 constraints. Problems are: Problem set: 0 solved, 182 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/423 variables, 6/309 constraints. Problems are: Problem set: 0 solved, 182 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/423 variables, 182/491 constraints. Problems are: Problem set: 0 solved, 182 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 18:49:32] [INFO ] Deduced a trap composed of 3 places in 54 ms of which 5 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 18:49:34] [INFO ] Deduced a trap composed of 18 places in 98 ms of which 11 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 18:49:34] [INFO ] Deduced a trap composed of 10 places in 86 ms of which 9 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 18:49:45] [INFO ] Deduced a trap composed of 3 places in 53 ms of which 5 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 18:49:45] [INFO ] Deduced a trap composed of 3 places in 44 ms of which 4 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 18:49:45] [INFO ] Deduced a trap composed of 4 places in 43 ms of which 3 ms to minimize.
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 423/424 variables, and 497 constraints, problems are : Problem set: 0 solved, 182 unsolved in 30011 ms.
Refiners :[Positive P Invariants (semi-flows): 36/36 constraints, Generalized P Invariants (flows): 24/24 constraints, State Equation: 238/239 constraints, ReadFeed: 6/6 constraints, PredecessorRefiner: 182/182 constraints, Known Traps: 11/11 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 56675ms problems are : Problem set: 0 solved, 182 unsolved
Search for dead transitions found 0 dead transitions in 56678ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 57481 ms. Remains : 239/239 places, 185/185 transitions.
Attempting over-approximation, by ignoring read arcs.
Partial Free-agglomeration rule applied 1 times.
Drop transitions (Partial Free agglomeration) removed 1 transitions
Iterating global reduction 0 with 1 rules applied. Total rules applied 1 place count 239 transition count 185
Applied a total of 1 rules in 12 ms. Remains 239 /239 variables (removed 0) and now considering 185/185 (removed 0) transitions.
Running SMT prover for 2 properties.
// Phase 1: matrix 185 rows 239 cols
[2025-05-31 18:49:48] [INFO ] Computed 60 invariants in 2 ms
Starting Z3 with timeout 450.0 s and query timeout 45000.0 ms
[2025-05-31 18:49:48] [INFO ] [Real]Absence check using 36 positive place invariants in 15 ms returned sat
[2025-05-31 18:49:48] [INFO ] [Real]Absence check using 36 positive and 24 generalized place invariants in 19 ms returned sat
[2025-05-31 18:49:48] [INFO ] After 115ms 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
[2025-05-31 18:49:48] [INFO ] [Nat]Absence check using 36 positive place invariants in 10 ms returned sat
[2025-05-31 18:49:48] [INFO ] [Nat]Absence check using 36 positive and 24 generalized place invariants in 19 ms returned sat
[2025-05-31 18:49:48] [INFO ] After 173ms 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
[2025-05-31 18:49:48] [INFO ] Deduced a trap composed of 13 places in 101 ms of which 11 ms to minimize.
[2025-05-31 18:49:49] [INFO ] Trap strengthening (SAT) tested/added 2/1 trap constraints in 123 ms
TRAPS : Iteration 1
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 18:49:49] [INFO ] Deduced a trap composed of 15 places in 90 ms of which 9 ms to minimize.
[2025-05-31 18:49:49] [INFO ] Trap strengthening (SAT) tested/added 2/1 trap constraints in 114 ms
TRAPS : Iteration 2
[2025-05-31 18:49:49] [INFO ] After 576ms SMT Verify possible using trap constraints in natural domain returned unsat :0 sat :2
[2025-05-31 18:49:49] [INFO ] After 747ms SMT Verify possible using all constraints in natural domain returned unsat :0 sat :2
Over-approximation ignoring read arcs solved 0 properties in 881 ms.
Knowledge obtained : [(AND (NOT p1) p0 (NOT p2) (NOT p3)), (X (NOT p2)), (X (NOT p1)), (X (NOT (AND p1 (NOT p2)))), (X (AND (NOT p1) (NOT p2))), (X (NOT p3)), (X (NOT (AND (NOT p1) (NOT p0)))), (X p0), (X (X (NOT p2))), (X (X (NOT p1))), (X (X (NOT (AND p1 (NOT p2))))), (X (X (AND (NOT p1) (NOT p2)))), (X (X (NOT p3))), (F (OR (G p0) (G (NOT p0)))), (F (OR (G p3) (G (NOT p3))))]
False Knowledge obtained : [(X (X (AND (NOT p2) (NOT p0)))), (X (X (NOT (AND (NOT p2) (NOT p0))))), (X (X (AND (NOT p1) (NOT p0)))), (X (X (NOT (AND (NOT p1) (NOT p0))))), (X (X p0)), (X (X (NOT p0))), (F (NOT (AND (NOT p1) (NOT p2)))), (F (NOT (OR (NOT p1) p2))), (F (NOT (OR p1 p0))), (F (NOT (OR p2 p0))), (F p1), (F (NOT p0))]
Knowledge based reduction with 15 factoid took 732 ms. Reduced automaton from 6 states, 16 edges and 4 AP (stutter sensitive) to 6 states, 16 edges and 4 AP (stutter sensitive).
Stuttering acceptance computed with spot in 239 ms :[(OR (NOT p1) (NOT p2) (NOT p3)), (NOT p0), (NOT p0), (NOT p2), (NOT p3), (NOT p2)]
Stuttering acceptance computed with spot in 236 ms :[(OR (NOT p1) (NOT p2) (NOT p3)), (NOT p0), (NOT p0), (NOT p2), (NOT p3), (NOT p2)]
// Phase 1: matrix 293 rows 353 cols
[2025-05-31 18:49:50] [INFO ] Computed 62 invariants in 3 ms
Starting Z3 with timeout 15.0 s and query timeout 1500.0 ms
[2025-05-31 18:49:50] [INFO ] [Real]Absence check using 33 positive place invariants in 23 ms returned sat
[2025-05-31 18:49:50] [INFO ] [Real]Absence check using 33 positive and 29 generalized place invariants in 117 ms returned sat
[2025-05-31 18:49:53] [INFO ] [Real]Absence check using state equation in 2889 ms returned sat
[2025-05-31 18:49:53] [INFO ] Solution in real domain found non-integer solution.
Starting Z3 with timeout 15.0 s and query timeout 1500.0 ms
[2025-05-31 18:49:54] [INFO ] [Nat]Absence check using 33 positive place invariants in 25 ms returned sat
[2025-05-31 18:49:54] [INFO ] [Nat]Absence check using 33 positive and 29 generalized place invariants in 54 ms returned sat
java.lang.RuntimeException: SMT solver raised an error when submitting script. Raised (error "Failed to assert expression: java.io.IOException: Broken pipe ...
at fr.lip6.move.gal.structural.smt.SMTUtils.execAndCheckResult(SMTUtils.java:301)
at fr.lip6.move.gal.structural.smt.DeadlockTester.verifyPossible(DeadlockTester.java:854)
at fr.lip6.move.gal.structural.smt.DeadlockTester.testEGap(DeadlockTester.java:590)
at fr.lip6.move.gal.application.solver.ltl.LTLPropertySolver.computeEGknowledge(LTLPropertySolver.java:610)
at fr.lip6.move.gal.application.solver.ltl.LTLPropertySolver.applyKnowledgeBasedReductions(LTLPropertySolver.java:581)
at fr.lip6.move.gal.application.solver.ltl.LTLPropertySolver.checkLTLProperty(LTLPropertySolver.java:262)
at fr.lip6.move.gal.application.solver.ltl.LTLPropertySolver.runStutteringLTLTest(LTLPropertySolver.java:225)
at fr.lip6.move.gal.application.solver.ltl.LTLPropertySolver.runStructuralLTLCheck(LTLPropertySolver.java:76)
at fr.lip6.move.gal.application.Application.startNoEx(Application.java:975)
at fr.lip6.move.gal.application.Application.start(Application.java:193)
at fr.lip6.move.gal.itscl.application.Application.start(Application.java:44)
at org.eclipse.equinox.internal.app.EclipseAppHandle.run(EclipseAppHandle.java:208)
at org.eclipse.core.runtime.internal.adaptor.EclipseAppLauncher.runApplication(EclipseAppLauncher.java:149)
at org.eclipse.core.runtime.internal.adaptor.EclipseAppLauncher.start(EclipseAppLauncher.java:115)
at org.eclipse.core.runtime.adaptor.EclipseStarter.run(EclipseStarter.java:467)
at org.eclipse.core.runtime.adaptor.EclipseStarter.run(EclipseStarter.java:298)
at java.base/jdk.internal.reflect.DirectMethodHandleAccessor.invoke(DirectMethodHandleAccessor.java:103)
at java.base/java.lang.reflect.Method.invoke(Method.java:580)
at org.eclipse.equinox.launcher.Main.invokeFramework(Main.java:670)
at org.eclipse.equinox.launcher.Main.basicRun(Main.java:607)
at org.eclipse.equinox.launcher.Main.run(Main.java:1492)
at org.eclipse.equinox.launcher.Main.main(Main.java:1465)
[2025-05-31 18:50:08] [WARNING] SMT solver failed with error :java.lang.RuntimeException: SMT solver raised an error when submitting script. Raised (error "Failed to assert expression: java.io.IOException: Broken pipe ... while checking expression EG (NOT p1)
Could not prove EG (NOT p1)
[2025-05-31 18:50:08] [INFO ] Invariant cache hit.
Starting Z3 with timeout 15.0 s and query timeout 1500.0 ms
[2025-05-31 18:50:09] [INFO ] [Real]Absence check using 33 positive place invariants in 25 ms returned sat
[2025-05-31 18:50:09] [INFO ] [Real]Absence check using 33 positive and 29 generalized place invariants in 132 ms returned sat
[2025-05-31 18:50:13] [INFO ] [Real]Absence check using state equation in 4647 ms returned sat
[2025-05-31 18:50:13] [INFO ] Solution in real domain found non-integer solution.
Starting Z3 with timeout 15.0 s and query timeout 1500.0 ms
[2025-05-31 18:50:14] [INFO ] [Nat]Absence check using 33 positive place invariants in 23 ms returned sat
[2025-05-31 18:50:14] [INFO ] [Nat]Absence check using 33 positive and 29 generalized place invariants in 61 ms returned sat
[2025-05-31 18:50:28] [INFO ] [Nat]Absence check using state equation in 14653 ms returned unknown
Could not prove EG (NOT p2)
[2025-05-31 18:50:28] [INFO ] Invariant cache hit.
Starting Z3 with timeout 15.0 s and query timeout 1500.0 ms
[2025-05-31 18:50:29] [INFO ] [Real]Absence check using 33 positive place invariants in 23 ms returned sat
[2025-05-31 18:50:29] [INFO ] [Real]Absence check using 33 positive and 29 generalized place invariants in 74 ms returned sat
[2025-05-31 18:50:31] [INFO ] [Real]Absence check using state equation in 2335 ms returned sat
[2025-05-31 18:50:31] [INFO ] Solution in real domain found non-integer solution.
Starting Z3 with timeout 15.0 s and query timeout 1500.0 ms
[2025-05-31 18:50:31] [INFO ] [Nat]Absence check using 33 positive place invariants in 21 ms returned sat
[2025-05-31 18:50:32] [INFO ] [Nat]Absence check using 33 positive and 29 generalized place invariants in 94 ms returned sat
[2025-05-31 18:50:39] [INFO ] [Nat]Absence check using state equation in 7082 ms returned sat
[2025-05-31 18:50:39] [INFO ] Computed and/alt/rep : 287/602/287 causal constraints (skipped 5 transitions) in 18 ms.
[2025-05-31 18:50:46] [INFO ] Added : 225 causal constraints over 45 iterations in 7525 ms. Result :unknown
Could not prove EG (NOT p3)
Stuttering acceptance computed with spot in 246 ms :[(OR (NOT p1) (NOT p2) (NOT p3)), (NOT p0), (NOT p0), (NOT p2), (NOT p3), (NOT p2)]
Product exploration explored 100000 steps with 2603 reset in 187 ms.
Product exploration explored 100000 steps with 2570 reset in 485 ms.
Applying partial POR strategy [false, true, true, false, true, false]
Stuttering acceptance computed with spot in 244 ms :[(OR (NOT p1) (NOT p2) (NOT p3)), (NOT p0), (NOT p0), (NOT p2), (NOT p3), (NOT p2)]
Support contains 6 out of 353 places. Attempting structural reductions.
Starting structural reductions in SI_LTL mode, iteration 0 : 353/353 places, 293/293 transitions.
Graph (complete) has 766 edges and 353 vertex of which 347 are kept as prefixes of interest. Removing 6 places using SCC suffix rule.1 ms
Discarding 6 places :
Also discarding 3 output transitions
Drop transitions (Output transitions of discarded places.) removed 3 transitions
Performed 13 Post agglomeration using F-continuation condition.Transition count delta: 0
Iterating post reduction 0 with 13 rules applied. Total rules applied 14 place count 347 transition count 290
Performed 9 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 1 with 9 Pre rules applied. Total rules applied 14 place count 347 transition count 292
Deduced a syphon composed of 22 places in 0 ms
Iterating global reduction 1 with 9 rules applied. Total rules applied 23 place count 347 transition count 292
Discarding 5 places :
Symmetric choice reduction at 1 with 5 rule applications. Total rules 28 place count 342 transition count 287
Deduced a syphon composed of 17 places in 0 ms
Iterating global reduction 1 with 5 rules applied. Total rules applied 33 place count 342 transition count 287
Performed 74 Post agglomeration using F-continuation condition.Transition count delta: -3
Deduced a syphon composed of 91 places in 0 ms
Iterating global reduction 1 with 74 rules applied. Total rules applied 107 place count 342 transition count 290
Discarding 9 places :
Symmetric choice reduction at 1 with 9 rule applications. Total rules 116 place count 333 transition count 281
Deduced a syphon composed of 82 places in 0 ms
Iterating global reduction 1 with 9 rules applied. Total rules applied 125 place count 333 transition count 281
Performed 5 Post agglomeration using F-continuation condition.Transition count delta: -22
Deduced a syphon composed of 87 places in 1 ms
Iterating global reduction 1 with 5 rules applied. Total rules applied 130 place count 333 transition count 303
Discarding 1 places :
Symmetric choice reduction at 1 with 1 rule applications. Total rules 131 place count 332 transition count 300
Deduced a syphon composed of 86 places in 1 ms
Iterating global reduction 1 with 1 rules applied. Total rules applied 132 place count 332 transition count 300
Deduced a syphon composed of 86 places in 0 ms
Applied a total of 132 rules in 63 ms. Remains 332 /353 variables (removed 21) and now considering 300/293 (removed -7) transitions.
Starting Z3 with timeout 200.0 s and query timeout 20000.0 ms
[2025-05-31 18:50:48] [INFO ] Redundant transitions in 2 ms returned []
Running 299 sub problems to find dead transitions.
// Phase 1: matrix 300 rows 332 cols
[2025-05-31 18:50:48] [INFO ] Computed 59 invariants in 3 ms
[2025-05-31 18:50:48] [INFO ] State equation strengthened by 16 read => feed constraints.
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
All remaining problems are real, not stopping.
At refinement iteration 0 (INCLUDED_ONLY) 0/331 variables, 14/14 constraints. Problems are: Problem set: 0 solved, 299 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/331 variables, 0/14 constraints. Problems are: Problem set: 0 solved, 299 unsolved
At refinement iteration 2 (OVERLAPS) 1/332 variables, 32/46 constraints. Problems are: Problem set: 0 solved, 299 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/332 variables, 13/59 constraints. Problems are: Problem set: 0 solved, 299 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/332 variables, 0/59 constraints. Problems are: Problem set: 0 solved, 299 unsolved
Problem TDEAD1 is UNSAT
Problem TDEAD2 is UNSAT
Problem TDEAD3 is UNSAT
Problem TDEAD4 is UNSAT
Problem TDEAD5 is UNSAT
Problem TDEAD6 is UNSAT
Problem TDEAD7 is UNSAT
Problem TDEAD9 is UNSAT
Problem TDEAD11 is UNSAT
Problem TDEAD13 is UNSAT
Problem TDEAD14 is UNSAT
Problem TDEAD15 is UNSAT
Problem TDEAD16 is UNSAT
Problem TDEAD17 is UNSAT
Problem TDEAD18 is UNSAT
Problem TDEAD19 is UNSAT
Problem TDEAD20 is UNSAT
Problem TDEAD21 is UNSAT
Problem TDEAD22 is UNSAT
Problem TDEAD23 is UNSAT
Problem TDEAD24 is UNSAT
Problem TDEAD25 is UNSAT
Problem TDEAD26 is UNSAT
Problem TDEAD27 is UNSAT
Problem TDEAD28 is UNSAT
Problem TDEAD29 is UNSAT
Problem TDEAD30 is UNSAT
Problem TDEAD31 is UNSAT
Problem TDEAD32 is UNSAT
Problem TDEAD33 is UNSAT
Problem TDEAD34 is UNSAT
Problem TDEAD35 is UNSAT
Problem TDEAD36 is UNSAT
Problem TDEAD37 is UNSAT
Problem TDEAD38 is UNSAT
Problem TDEAD39 is UNSAT
Problem TDEAD40 is UNSAT
Problem TDEAD41 is UNSAT
Problem TDEAD42 is UNSAT
Problem TDEAD43 is UNSAT
Problem TDEAD45 is UNSAT
Problem TDEAD46 is UNSAT
Problem TDEAD47 is UNSAT
Problem TDEAD48 is UNSAT
Problem TDEAD49 is UNSAT
Problem TDEAD50 is UNSAT
Problem TDEAD52 is UNSAT
Problem TDEAD131 is UNSAT
Problem TDEAD132 is UNSAT
Problem TDEAD133 is UNSAT
Problem TDEAD138 is UNSAT
Problem TDEAD140 is UNSAT
Problem TDEAD141 is UNSAT
Problem TDEAD143 is UNSAT
Problem TDEAD145 is UNSAT
Problem TDEAD147 is UNSAT
Problem TDEAD148 is UNSAT
Problem TDEAD149 is UNSAT
Problem TDEAD154 is UNSAT
Problem TDEAD157 is UNSAT
Problem TDEAD158 is UNSAT
Problem TDEAD159 is UNSAT
Problem TDEAD160 is UNSAT
Problem TDEAD161 is UNSAT
Problem TDEAD193 is UNSAT
Problem TDEAD195 is UNSAT
Problem TDEAD196 is UNSAT
Problem TDEAD197 is UNSAT
Problem TDEAD198 is UNSAT
Problem TDEAD199 is UNSAT
Problem TDEAD200 is UNSAT
Problem TDEAD201 is UNSAT
Problem TDEAD203 is UNSAT
Problem TDEAD204 is UNSAT
Problem TDEAD205 is UNSAT
Problem TDEAD206 is UNSAT
Problem TDEAD207 is UNSAT
Problem TDEAD208 is UNSAT
Problem TDEAD209 is UNSAT
Problem TDEAD219 is UNSAT
Problem TDEAD220 is UNSAT
Problem TDEAD221 is UNSAT
Problem TDEAD222 is UNSAT
Problem TDEAD223 is UNSAT
Problem TDEAD224 is UNSAT
Problem TDEAD225 is UNSAT
Problem TDEAD226 is UNSAT
Problem TDEAD228 is UNSAT
Problem TDEAD229 is UNSAT
Problem TDEAD230 is UNSAT
Problem TDEAD231 is UNSAT
Problem TDEAD232 is UNSAT
Problem TDEAD233 is UNSAT
Problem TDEAD239 is UNSAT
Problem TDEAD274 is UNSAT
Problem TDEAD275 is UNSAT
Problem TDEAD276 is UNSAT
Problem TDEAD277 is UNSAT
Problem TDEAD278 is UNSAT
Problem TDEAD279 is UNSAT
Problem TDEAD280 is UNSAT
Problem TDEAD281 is UNSAT
Problem TDEAD290 is UNSAT
Problem TDEAD291 is UNSAT
Problem TDEAD294 is UNSAT
Problem TDEAD295 is UNSAT
Problem TDEAD296 is UNSAT
At refinement iteration 5 (OVERLAPS) 300/632 variables, 332/391 constraints. Problems are: Problem set: 107 solved, 192 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/632 variables, 16/407 constraints. Problems are: Problem set: 107 solved, 192 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/632 variables, 0/407 constraints. Problems are: Problem set: 107 solved, 192 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Real declared 632/632 variables, and 407 constraints, problems are : Problem set: 107 solved, 192 unsolved in 30009 ms.
Refiners :[Positive P Invariants (semi-flows): 32/32 constraints, Generalized P Invariants (flows): 27/27 constraints, State Equation: 332/332 constraints, ReadFeed: 16/16 constraints, PredecessorRefiner: 299/299 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 107 solved, 192 unsolved
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/245 variables, 13/13 constraints. Problems are: Problem set: 107 solved, 192 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/245 variables, 0/13 constraints. Problems are: Problem set: 107 solved, 192 unsolved
At refinement iteration 2 (OVERLAPS) 67/312 variables, 32/45 constraints. Problems are: Problem set: 107 solved, 192 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 18:51:20] [INFO ] Deduced a trap composed of 4 places in 58 ms of which 5 ms to minimize.
At refinement iteration 3 (INCLUDED_ONLY) 0/312 variables, 1/46 constraints. Problems are: Problem set: 107 solved, 192 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/312 variables, 0/46 constraints. Problems are: Problem set: 107 solved, 192 unsolved
At refinement iteration 5 (OVERLAPS) 13/325 variables, 14/60 constraints. Problems are: Problem set: 107 solved, 192 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 18:51:24] [INFO ] Deduced a trap composed of 18 places in 50 ms of which 3 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 18:51:24] [INFO ] Deduced a trap composed of 4 places in 62 ms of which 5 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 18:51:25] [INFO ] Deduced a trap composed of 3 places in 28 ms of which 2 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 18:51:25] [INFO ] Deduced a trap composed of 3 places in 62 ms of which 5 ms to minimize.
At refinement iteration 6 (INCLUDED_ONLY) 0/325 variables, 4/64 constraints. Problems are: Problem set: 107 solved, 192 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 18:51:25] [INFO ] Deduced a trap composed of 3 places in 27 ms of which 2 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 18:51:26] [INFO ] Deduced a trap composed of 7 places in 36 ms of which 3 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 18:51:27] [INFO ] Deduced a trap composed of 3 places in 58 ms of which 5 ms to minimize.
At refinement iteration 7 (INCLUDED_ONLY) 0/325 variables, 3/67 constraints. Problems are: Problem set: 107 solved, 192 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 18:51:28] [INFO ] Deduced a trap composed of 11 places in 60 ms of which 4 ms to minimize.
At refinement iteration 8 (INCLUDED_ONLY) 0/325 variables, 1/68 constraints. Problems are: Problem set: 107 solved, 192 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 18:51:29] [INFO ] Deduced a trap composed of 4 places in 29 ms of which 2 ms to minimize.
At refinement iteration 9 (INCLUDED_ONLY) 0/325 variables, 1/69 constraints. Problems are: Problem set: 107 solved, 192 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 18:51:31] [INFO ] Deduced a trap composed of 3 places in 46 ms of which 4 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 18:51:31] [INFO ] Deduced a trap composed of 3 places in 40 ms of which 3 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 18:51:31] [INFO ] Deduced a trap composed of 3 places in 47 ms of which 4 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 18:51:31] [INFO ] Deduced a trap composed of 3 places in 42 ms of which 2 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 18:51:31] [INFO ] Deduced a trap composed of 5 places in 33 ms of which 3 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 18:51:31] [INFO ] Deduced a trap composed of 5 places in 30 ms of which 3 ms to minimize.
At refinement iteration 10 (INCLUDED_ONLY) 0/325 variables, 6/75 constraints. Problems are: Problem set: 107 solved, 192 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/325 variables, 0/75 constraints. Problems are: Problem set: 107 solved, 192 unsolved
At refinement iteration 12 (OVERLAPS) 296/621 variables, 325/400 constraints. Problems are: Problem set: 107 solved, 192 unsolved
At refinement iteration 13 (INCLUDED_ONLY) 0/621 variables, 16/416 constraints. Problems are: Problem set: 107 solved, 192 unsolved
At refinement iteration 14 (INCLUDED_ONLY) 0/621 variables, 192/608 constraints. Problems are: Problem set: 107 solved, 192 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 621/632 variables, and 608 constraints, problems are : Problem set: 107 solved, 192 unsolved in 30011 ms.
Refiners :[Positive P Invariants (semi-flows): 32/32 constraints, Generalized P Invariants (flows): 27/27 constraints, State Equation: 325/332 constraints, ReadFeed: 16/16 constraints, PredecessorRefiner: 192/299 constraints, Known Traps: 16/16 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 60091ms problems are : Problem set: 107 solved, 192 unsolved
Search for dead transitions found 107 dead transitions in 60094ms
Found 107 dead transitions using SMT.
Drop transitions (Dead Transitions using SMT only with invariants) removed 107 transitions
Dead transitions reduction (with SMT) removed 107 transitions
Starting structural reductions in SI_LTL mode, iteration 1 : 332/353 places, 193/293 transitions.
Graph (complete) has 836 edges and 332 vertex of which 246 are kept as prefixes of interest. Removing 86 places using SCC suffix rule.1 ms
Discarding 86 places :
Also discarding 0 output transitions
Applied a total of 1 rules in 9 ms. Remains 246 /332 variables (removed 86) and now considering 193/193 (removed 0) transitions.
Starting structural reductions in SI_LTL mode, iteration 2 : 246/353 places, 193/293 transitions.
Finished structural reductions in SI_LTL mode , in 2 iterations and 60175 ms. Remains : 246/353 places, 193/293 transitions.
Built C files in :
/tmp/ltsmin9110439588579897228
[2025-05-31 18:51:48] [INFO ] Built C files in 7ms conformant to PINS (ltsmin variant)in folder :/tmp/ltsmin9110439588579897228
Running compilation step : cd /tmp/ltsmin9110439588579897228;'/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.ltsmin.binaries_1.0.0.202505121319/bin/limit_time.pl' '3' 'gcc' '-c' '-I/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.ltsmin.binaries_1.0.0.202505121319/bin/include/' '-I.' '-std=c99' '-fPIC' '-O0' 'model.c'
Compilation finished in 755 ms.
Running link step : cd /tmp/ltsmin9110439588579897228;'gcc' '-shared' '-o' 'gal.so' 'model.o'
Link finished in 35 ms.
Running LTSmin : cd /tmp/ltsmin9110439588579897228;'/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.ltsmin.binaries_1.0.0.202505121319/bin/pins2lts-mc-linux64' './gal.so' '--threads=8' '--when' '--hoa' '/tmp/stateBased962866787737915226.hoa' '--buchi-type=spotba'
LTSmin run took 304 ms.
FORMULA DES-PT-30b-LTLFireability-02 FALSE TECHNIQUES EXPLICIT LTSMIN SAT_SMT
Treatment of property DES-PT-30b-LTLFireability-02 finished in 444823 ms.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202505121319/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!(G(F((p0 U (p1||G(p0))))))'
Support contains 4 out of 367 places. Attempting structural reductions.
Starting structural reductions in SI_LTL mode, iteration 0 : 367/367 places, 314/314 transitions.
Graph (complete) has 799 edges and 367 vertex of which 360 are kept as prefixes of interest. Removing 7 places using SCC suffix rule.1 ms
Discarding 7 places :
Also discarding 4 output transitions
Drop transitions (Output transitions of discarded places.) removed 4 transitions
Reduce places removed 1 places and 1 transitions.
Drop transitions (Trivial Post-Agglo cleanup.) removed 11 transitions
Trivial Post-agglo rules discarded 11 transitions
Performed 11 trivial Post agglomeration. Transition count delta: 11
Iterating post reduction 0 with 11 rules applied. Total rules applied 12 place count 359 transition count 298
Reduce places removed 11 places and 0 transitions.
Performed 3 Post agglomeration using F-continuation condition.Transition count delta: 3
Iterating post reduction 1 with 14 rules applied. Total rules applied 26 place count 348 transition count 295
Reduce places removed 3 places and 0 transitions.
Ensure Unique test removed 1 transitions
Reduce isomorphic transitions removed 1 transitions.
Iterating post reduction 2 with 4 rules applied. Total rules applied 30 place count 345 transition count 294
Performed 10 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 3 with 10 Pre rules applied. Total rules applied 30 place count 345 transition count 284
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 50 place count 335 transition count 284
Discarding 7 places :
Symmetric choice reduction at 3 with 7 rule applications. Total rules 57 place count 328 transition count 277
Iterating global reduction 3 with 7 rules applied. Total rules applied 64 place count 328 transition count 277
Ensure Unique test removed 2 transitions
Reduce isomorphic transitions removed 2 transitions.
Iterating post reduction 3 with 2 rules applied. Total rules applied 66 place count 328 transition count 275
Performed 1 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 4 with 1 Pre rules applied. Total rules applied 66 place count 328 transition count 274
Deduced a syphon composed of 1 places in 1 ms
Reduce places removed 1 places and 0 transitions.
Iterating global reduction 4 with 2 rules applied. Total rules applied 68 place count 327 transition count 274
Discarding 5 places :
Symmetric choice reduction at 4 with 5 rule applications. Total rules 73 place count 322 transition count 269
Iterating global reduction 4 with 5 rules applied. Total rules applied 78 place count 322 transition count 269
Ensure Unique test removed 4 transitions
Reduce isomorphic transitions removed 4 transitions.
Iterating post reduction 4 with 4 rules applied. Total rules applied 82 place count 322 transition count 265
Performed 2 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 5 with 2 Pre rules applied. Total rules applied 82 place count 322 transition count 263
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 86 place count 320 transition count 263
Performed 72 Post agglomeration using F-continuation condition.Transition count delta: 72
Deduced a syphon composed of 72 places in 0 ms
Reduce places removed 72 places and 0 transitions.
Iterating global reduction 5 with 144 rules applied. Total rules applied 230 place count 248 transition count 191
Performed 1 Post agglomeration using F-continuation condition.Transition count delta: 0
Deduced a syphon composed of 1 places in 0 ms
Reduce places removed 1 places and 0 transitions.
Iterating global reduction 5 with 2 rules applied. Total rules applied 232 place count 247 transition count 191
Reduce places removed 2 places and 2 transitions.
Iterating global reduction 5 with 2 rules applied. Total rules applied 234 place count 245 transition count 189
Reduce places removed 1 places and 0 transitions.
Iterating post reduction 5 with 1 rules applied. Total rules applied 235 place count 244 transition count 189
Applied a total of 235 rules in 72 ms. Remains 244 /367 variables (removed 123) and now considering 189/314 (removed 125) transitions.
// Phase 1: matrix 189 rows 244 cols
[2025-05-31 18:51:49] [INFO ] Computed 58 invariants in 2 ms
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-05-31 18:51:49] [INFO ] Implicit Places using invariants in 238 ms returned []
[2025-05-31 18:51:49] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-05-31 18:51:50] [INFO ] Implicit Places using invariants and state equation in 510 ms returned []
Implicit Place search using SMT with State Equation took 753 ms to find 0 implicit places.
Starting Z3 with timeout 200.0 s and query timeout 20000.0 ms
[2025-05-31 18:51:50] [INFO ] Redundant transitions in 2 ms returned []
Running 184 sub problems to find dead transitions.
[2025-05-31 18:51:50] [INFO ] Invariant cache hit.
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/239 variables, 21/21 constraints. Problems are: Problem set: 0 solved, 184 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/239 variables, 11/32 constraints. Problems are: Problem set: 0 solved, 184 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/239 variables, 0/32 constraints. Problems are: Problem set: 0 solved, 184 unsolved
At refinement iteration 3 (OVERLAPS) 2/241 variables, 12/44 constraints. Problems are: Problem set: 0 solved, 184 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/241 variables, 7/51 constraints. Problems are: Problem set: 0 solved, 184 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/241 variables, 0/51 constraints. Problems are: Problem set: 0 solved, 184 unsolved
At refinement iteration 6 (OVERLAPS) 2/243 variables, 7/58 constraints. Problems are: Problem set: 0 solved, 184 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/243 variables, 0/58 constraints. Problems are: Problem set: 0 solved, 184 unsolved
At refinement iteration 8 (OVERLAPS) 189/432 variables, 243/301 constraints. Problems are: Problem set: 0 solved, 184 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 18:51:59] [INFO ] Deduced a trap composed of 15 places in 80 ms of which 7 ms to minimize.
At refinement iteration 9 (INCLUDED_ONLY) 0/432 variables, 1/302 constraints. Problems are: Problem set: 0 solved, 184 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 18:52:02] [INFO ] Deduced a trap composed of 13 places in 79 ms of which 9 ms to minimize.
At refinement iteration 10 (INCLUDED_ONLY) 0/432 variables, 1/303 constraints. Problems are: Problem set: 0 solved, 184 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 18:52:04] [INFO ] Deduced a trap composed of 10 places in 107 ms of which 7 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 18:52:04] [INFO ] Deduced a trap composed of 18 places in 90 ms of which 8 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 18:52:05] [INFO ] Deduced a trap composed of 19 places in 95 ms of which 9 ms to minimize.
At refinement iteration 11 (INCLUDED_ONLY) 0/432 variables, 3/306 constraints. Problems are: Problem set: 0 solved, 184 unsolved
At refinement iteration 12 (INCLUDED_ONLY) 0/432 variables, 0/306 constraints. Problems are: Problem set: 0 solved, 184 unsolved
At refinement iteration 13 (OVERLAPS) 1/433 variables, 1/307 constraints. Problems are: Problem set: 0 solved, 184 unsolved
At refinement iteration 14 (INCLUDED_ONLY) 0/433 variables, 0/307 constraints. Problems are: Problem set: 0 solved, 184 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 18:52:16] [INFO ] Deduced a trap composed of 5 places in 47 ms of which 4 ms to minimize.
At refinement iteration 15 (OVERLAPS) 0/433 variables, 1/308 constraints. Problems are: Problem set: 0 solved, 184 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Real declared 433/433 variables, and 308 constraints, problems are : Problem set: 0 solved, 184 unsolved in 30012 ms.
Refiners :[Positive P Invariants (semi-flows): 33/33 constraints, Generalized P Invariants (flows): 25/25 constraints, State Equation: 244/244 constraints, PredecessorRefiner: 184/184 constraints, Known Traps: 6/6 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 184 unsolved
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/239 variables, 21/21 constraints. Problems are: Problem set: 0 solved, 184 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/239 variables, 11/32 constraints. Problems are: Problem set: 0 solved, 184 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/239 variables, 6/38 constraints. Problems are: Problem set: 0 solved, 184 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/239 variables, 0/38 constraints. Problems are: Problem set: 0 solved, 184 unsolved
At refinement iteration 4 (OVERLAPS) 2/241 variables, 12/50 constraints. Problems are: Problem set: 0 solved, 184 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/241 variables, 7/57 constraints. Problems are: Problem set: 0 solved, 184 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/241 variables, 0/57 constraints. Problems are: Problem set: 0 solved, 184 unsolved
At refinement iteration 7 (OVERLAPS) 2/243 variables, 7/64 constraints. Problems are: Problem set: 0 solved, 184 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/243 variables, 0/64 constraints. Problems are: Problem set: 0 solved, 184 unsolved
At refinement iteration 9 (OVERLAPS) 189/432 variables, 243/307 constraints. Problems are: Problem set: 0 solved, 184 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/432 variables, 184/491 constraints. Problems are: Problem set: 0 solved, 184 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 18:52:33] [INFO ] Deduced a trap composed of 7 places in 64 ms of which 6 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 18:52:34] [INFO ] Deduced a trap composed of 8 places in 57 ms of which 7 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 18:52:36] [INFO ] Deduced a trap composed of 5 places in 53 ms of which 5 ms to minimize.
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 432/433 variables, and 494 constraints, problems are : Problem set: 0 solved, 184 unsolved in 30010 ms.
Refiners :[Positive P Invariants (semi-flows): 33/33 constraints, Generalized P Invariants (flows): 25/25 constraints, State Equation: 243/244 constraints, PredecessorRefiner: 184/184 constraints, Known Traps: 9/9 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 60071ms problems are : Problem set: 0 solved, 184 unsolved
Search for dead transitions found 0 dead transitions in 60072ms
Starting structural reductions in SI_LTL mode, iteration 1 : 244/367 places, 189/314 transitions.
Finished structural reductions in SI_LTL mode , in 1 iterations and 60905 ms. Remains : 244/367 places, 189/314 transitions.
Stuttering acceptance computed with spot in 74 ms :[(AND (NOT p1) (NOT p0)), (AND (NOT p1) (NOT p0))]
Running random walk in product with property : DES-PT-30b-LTLFireability-03
Product exploration explored 100000 steps with 4216 reset in 434 ms.
Product exploration explored 100000 steps with 4198 reset in 470 ms.
Computed a total of 136 stabilizing places and 131 stable transitions
Computed a total of 136 stabilizing places and 131 stable transitions
Knowledge obtained : [(AND p1 p0), (X p0), (X (NOT (AND (NOT p1) (NOT p0)))), (X (X p0)), (X (X (NOT (AND (NOT p1) (NOT p0)))))]
False Knowledge obtained : [(X (AND (NOT p1) p0)), (X (NOT (AND (NOT p1) p0))), (X p1), (X (NOT p1)), (X (X (AND (NOT p1) p0))), (X (X (NOT (AND (NOT p1) p0)))), (X (X p1)), (X (X (NOT p1)))]
Knowledge based reduction with 5 factoid took 275 ms. Reduced automaton from 2 states, 4 edges and 2 AP (stutter insensitive) to 2 states, 4 edges and 2 AP (stutter insensitive).
Stuttering acceptance computed with spot in 68 ms :[(AND (NOT p1) (NOT p0)), (AND (NOT p1) (NOT p0))]
RANDOM walk for 22674 steps (946 resets) in 93 ms. (241 steps per ms) remains 0/4 properties
Knowledge obtained : [(AND p1 p0), (X p0), (X (NOT (AND (NOT p1) (NOT p0)))), (X (X p0)), (X (X (NOT (AND (NOT p1) (NOT p0)))))]
False Knowledge obtained : [(X (AND (NOT p1) p0)), (X (NOT (AND (NOT p1) p0))), (X p1), (X (NOT p1)), (X (X (AND (NOT p1) p0))), (X (X (NOT (AND (NOT p1) p0)))), (X (X p1)), (X (X (NOT p1))), (F (NOT p1)), (F (NOT (OR p1 (NOT p0)))), (F (NOT p0)), (F (NOT (OR p1 p0)))]
Knowledge based reduction with 5 factoid took 376 ms. Reduced automaton from 2 states, 4 edges and 2 AP (stutter insensitive) to 2 states, 4 edges and 2 AP (stutter insensitive).
Stuttering acceptance computed with spot in 68 ms :[(AND (NOT p1) (NOT p0)), (AND (NOT p1) (NOT p0))]
Stuttering acceptance computed with spot in 69 ms :[(AND (NOT p1) (NOT p0)), (AND (NOT p1) (NOT p0))]
Support contains 4 out of 244 places. Attempting structural reductions.
Starting structural reductions in SI_LTL mode, iteration 0 : 244/244 places, 189/189 transitions.
Applied a total of 0 rules in 6 ms. Remains 244 /244 variables (removed 0) and now considering 189/189 (removed 0) transitions.
[2025-05-31 18:52:52] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-05-31 18:52:52] [INFO ] Implicit Places using invariants in 313 ms returned []
[2025-05-31 18:52:52] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-05-31 18:52:52] [INFO ] Implicit Places using invariants and state equation in 509 ms returned []
Implicit Place search using SMT with State Equation took 824 ms to find 0 implicit places.
Starting Z3 with timeout 200.0 s and query timeout 20000.0 ms
[2025-05-31 18:52:53] [INFO ] Redundant transitions in 0 ms returned []
Running 184 sub problems to find dead transitions.
[2025-05-31 18:52:53] [INFO ] Invariant cache hit.
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/239 variables, 21/21 constraints. Problems are: Problem set: 0 solved, 184 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/239 variables, 11/32 constraints. Problems are: Problem set: 0 solved, 184 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/239 variables, 0/32 constraints. Problems are: Problem set: 0 solved, 184 unsolved
At refinement iteration 3 (OVERLAPS) 2/241 variables, 12/44 constraints. Problems are: Problem set: 0 solved, 184 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/241 variables, 7/51 constraints. Problems are: Problem set: 0 solved, 184 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/241 variables, 0/51 constraints. Problems are: Problem set: 0 solved, 184 unsolved
At refinement iteration 6 (OVERLAPS) 2/243 variables, 7/58 constraints. Problems are: Problem set: 0 solved, 184 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/243 variables, 0/58 constraints. Problems are: Problem set: 0 solved, 184 unsolved
At refinement iteration 8 (OVERLAPS) 189/432 variables, 243/301 constraints. Problems are: Problem set: 0 solved, 184 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 18:53:02] [INFO ] Deduced a trap composed of 15 places in 80 ms of which 8 ms to minimize.
At refinement iteration 9 (INCLUDED_ONLY) 0/432 variables, 1/302 constraints. Problems are: Problem set: 0 solved, 184 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 18:53:05] [INFO ] Deduced a trap composed of 13 places in 76 ms of which 9 ms to minimize.
At refinement iteration 10 (INCLUDED_ONLY) 0/432 variables, 1/303 constraints. Problems are: Problem set: 0 solved, 184 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 18:53:07] [INFO ] Deduced a trap composed of 10 places in 116 ms of which 7 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 18:53:07] [INFO ] Deduced a trap composed of 18 places in 84 ms of which 8 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 18:53:07] [INFO ] Deduced a trap composed of 19 places in 92 ms of which 10 ms to minimize.
At refinement iteration 11 (INCLUDED_ONLY) 0/432 variables, 3/306 constraints. Problems are: Problem set: 0 solved, 184 unsolved
At refinement iteration 12 (INCLUDED_ONLY) 0/432 variables, 0/306 constraints. Problems are: Problem set: 0 solved, 184 unsolved
At refinement iteration 13 (OVERLAPS) 1/433 variables, 1/307 constraints. Problems are: Problem set: 0 solved, 184 unsolved
At refinement iteration 14 (INCLUDED_ONLY) 0/433 variables, 0/307 constraints. Problems are: Problem set: 0 solved, 184 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 18:53:19] [INFO ] Deduced a trap composed of 5 places in 47 ms of which 5 ms to minimize.
At refinement iteration 15 (OVERLAPS) 0/433 variables, 1/308 constraints. Problems are: Problem set: 0 solved, 184 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Real declared 433/433 variables, and 308 constraints, problems are : Problem set: 0 solved, 184 unsolved in 30009 ms.
Refiners :[Positive P Invariants (semi-flows): 33/33 constraints, Generalized P Invariants (flows): 25/25 constraints, State Equation: 244/244 constraints, PredecessorRefiner: 184/184 constraints, Known Traps: 6/6 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 184 unsolved
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/239 variables, 21/21 constraints. Problems are: Problem set: 0 solved, 184 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/239 variables, 11/32 constraints. Problems are: Problem set: 0 solved, 184 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/239 variables, 6/38 constraints. Problems are: Problem set: 0 solved, 184 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/239 variables, 0/38 constraints. Problems are: Problem set: 0 solved, 184 unsolved
At refinement iteration 4 (OVERLAPS) 2/241 variables, 12/50 constraints. Problems are: Problem set: 0 solved, 184 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/241 variables, 7/57 constraints. Problems are: Problem set: 0 solved, 184 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/241 variables, 0/57 constraints. Problems are: Problem set: 0 solved, 184 unsolved
At refinement iteration 7 (OVERLAPS) 2/243 variables, 7/64 constraints. Problems are: Problem set: 0 solved, 184 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/243 variables, 0/64 constraints. Problems are: Problem set: 0 solved, 184 unsolved
At refinement iteration 9 (OVERLAPS) 189/432 variables, 243/307 constraints. Problems are: Problem set: 0 solved, 184 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/432 variables, 184/491 constraints. Problems are: Problem set: 0 solved, 184 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 18:53:37] [INFO ] Deduced a trap composed of 7 places in 56 ms of which 5 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 18:53:37] [INFO ] Deduced a trap composed of 8 places in 55 ms of which 5 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 18:53:40] [INFO ] Deduced a trap composed of 5 places in 57 ms of which 5 ms to minimize.
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 432/433 variables, and 494 constraints, problems are : Problem set: 0 solved, 184 unsolved in 30010 ms.
Refiners :[Positive P Invariants (semi-flows): 33/33 constraints, Generalized P Invariants (flows): 25/25 constraints, State Equation: 243/244 constraints, PredecessorRefiner: 184/184 constraints, Known Traps: 9/9 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 60055ms problems are : Problem set: 0 solved, 184 unsolved
Search for dead transitions found 0 dead transitions in 60056ms
Finished structural reductions in SI_LTL mode , in 1 iterations and 60891 ms. Remains : 244/244 places, 189/189 transitions.
Computed a total of 136 stabilizing places and 131 stable transitions
Computed a total of 136 stabilizing places and 131 stable transitions
Knowledge obtained : [(AND p1 p0), (X p0), (X (NOT (AND (NOT p1) (NOT p0)))), (X (X p0)), (X (X (NOT (AND (NOT p1) (NOT p0)))))]
False Knowledge obtained : [(X (AND (NOT p1) p0)), (X (NOT (AND (NOT p1) p0))), (X p1), (X (NOT p1)), (X (X (AND (NOT p1) p0))), (X (X (NOT (AND (NOT p1) p0)))), (X (X p1)), (X (X (NOT p1)))]
Knowledge based reduction with 5 factoid took 278 ms. Reduced automaton from 2 states, 4 edges and 2 AP (stutter insensitive) to 2 states, 4 edges and 2 AP (stutter insensitive).
Stuttering acceptance computed with spot in 69 ms :[(AND (NOT p1) (NOT p0)), (AND (NOT p1) (NOT p0))]
RANDOM walk for 23668 steps (978 resets) in 92 ms. (254 steps per ms) remains 0/4 properties
Knowledge obtained : [(AND p1 p0), (X p0), (X (NOT (AND (NOT p1) (NOT p0)))), (X (X p0)), (X (X (NOT (AND (NOT p1) (NOT p0)))))]
False Knowledge obtained : [(X (AND (NOT p1) p0)), (X (NOT (AND (NOT p1) p0))), (X p1), (X (NOT p1)), (X (X (AND (NOT p1) p0))), (X (X (NOT (AND (NOT p1) p0)))), (X (X p1)), (X (X (NOT p1))), (F (NOT p1)), (F (NOT (OR p1 (NOT p0)))), (F (NOT p0)), (F (NOT (OR p1 p0)))]
Knowledge based reduction with 5 factoid took 377 ms. Reduced automaton from 2 states, 4 edges and 2 AP (stutter insensitive) to 2 states, 4 edges and 2 AP (stutter insensitive).
Stuttering acceptance computed with spot in 70 ms :[(AND (NOT p1) (NOT p0)), (AND (NOT p1) (NOT p0))]
Stuttering acceptance computed with spot in 69 ms :[(AND (NOT p1) (NOT p0)), (AND (NOT p1) (NOT p0))]
Stuttering acceptance computed with spot in 68 ms :[(AND (NOT p1) (NOT p0)), (AND (NOT p1) (NOT p0))]
Product exploration explored 100000 steps with 4196 reset in 244 ms.
Product exploration explored 100000 steps with 4217 reset in 284 ms.
Built C files in :
/tmp/ltsmin3526646052643810764
[2025-05-31 18:53:54] [INFO ] Computing symmetric may disable matrix : 189 transitions.
[2025-05-31 18:53:54] [INFO ] Computation of Complete disable matrix. took 2 ms. Total solver calls (SAT/UNSAT): 0(0/0)
[2025-05-31 18:53:54] [INFO ] Computing symmetric may enable matrix : 189 transitions.
[2025-05-31 18:53:54] [INFO ] Computation of Complete enable matrix. took 1 ms. Total solver calls (SAT/UNSAT): 0(0/0)
[2025-05-31 18:53:54] [INFO ] Computing Do-Not-Accords matrix : 189 transitions.
[2025-05-31 18:53:54] [INFO ] Computation of Completed DNA matrix. took 4 ms. Total solver calls (SAT/UNSAT): 0(0/0)
[2025-05-31 18:53:54] [INFO ] Built C files in 35ms conformant to PINS (ltsmin variant)in folder :/tmp/ltsmin3526646052643810764
Running compilation step : cd /tmp/ltsmin3526646052643810764;'/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.ltsmin.binaries_1.0.0.202505121319/bin/limit_time.pl' '3' 'gcc' '-c' '-I/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.ltsmin.binaries_1.0.0.202505121319/bin/include/' '-I.' '-std=c99' '-fPIC' '-O0' 'model.c'
Compilation finished in 673 ms.
Running link step : cd /tmp/ltsmin3526646052643810764;'gcc' '-shared' '-o' 'gal.so' 'model.o'
Link finished in 36 ms.
Running LTSmin : cd /tmp/ltsmin3526646052643810764;'/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.ltsmin.binaries_1.0.0.202505121319/bin/pins2lts-mc-linux64' './gal.so' '--threads=8' '-p' '--pins-guards' '--when' '--hoa' '/tmp/stateBased18024799647518744149.hoa' '--buchi-type=spotba'
WARNING : LTS min runner thread was asked to interrupt. Dying gracefully.
Support contains 4 out of 244 places. Attempting structural reductions.
Starting structural reductions in SI_LTL mode, iteration 0 : 244/244 places, 189/189 transitions.
Applied a total of 0 rules in 5 ms. Remains 244 /244 variables (removed 0) and now considering 189/189 (removed 0) transitions.
[2025-05-31 18:54:09] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-05-31 18:54:10] [INFO ] Implicit Places using invariants in 264 ms returned []
[2025-05-31 18:54:10] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-05-31 18:54:10] [INFO ] Implicit Places using invariants and state equation in 489 ms returned []
Implicit Place search using SMT with State Equation took 754 ms to find 0 implicit places.
Starting Z3 with timeout 200.0 s and query timeout 20000.0 ms
[2025-05-31 18:54:10] [INFO ] Redundant transitions in 1 ms returned []
Running 184 sub problems to find dead transitions.
[2025-05-31 18:54:10] [INFO ] Invariant cache hit.
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/239 variables, 21/21 constraints. Problems are: Problem set: 0 solved, 184 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/239 variables, 11/32 constraints. Problems are: Problem set: 0 solved, 184 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/239 variables, 0/32 constraints. Problems are: Problem set: 0 solved, 184 unsolved
At refinement iteration 3 (OVERLAPS) 2/241 variables, 12/44 constraints. Problems are: Problem set: 0 solved, 184 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/241 variables, 7/51 constraints. Problems are: Problem set: 0 solved, 184 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/241 variables, 0/51 constraints. Problems are: Problem set: 0 solved, 184 unsolved
At refinement iteration 6 (OVERLAPS) 2/243 variables, 7/58 constraints. Problems are: Problem set: 0 solved, 184 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/243 variables, 0/58 constraints. Problems are: Problem set: 0 solved, 184 unsolved
At refinement iteration 8 (OVERLAPS) 189/432 variables, 243/301 constraints. Problems are: Problem set: 0 solved, 184 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 18:54:19] [INFO ] Deduced a trap composed of 15 places in 85 ms of which 9 ms to minimize.
At refinement iteration 9 (INCLUDED_ONLY) 0/432 variables, 1/302 constraints. Problems are: Problem set: 0 solved, 184 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 18:54:22] [INFO ] Deduced a trap composed of 13 places in 82 ms of which 9 ms to minimize.
At refinement iteration 10 (INCLUDED_ONLY) 0/432 variables, 1/303 constraints. Problems are: Problem set: 0 solved, 184 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 18:54:24] [INFO ] Deduced a trap composed of 10 places in 105 ms of which 7 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 18:54:24] [INFO ] Deduced a trap composed of 18 places in 86 ms of which 7 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 18:54:24] [INFO ] Deduced a trap composed of 19 places in 92 ms of which 10 ms to minimize.
At refinement iteration 11 (INCLUDED_ONLY) 0/432 variables, 3/306 constraints. Problems are: Problem set: 0 solved, 184 unsolved
At refinement iteration 12 (INCLUDED_ONLY) 0/432 variables, 0/306 constraints. Problems are: Problem set: 0 solved, 184 unsolved
At refinement iteration 13 (OVERLAPS) 1/433 variables, 1/307 constraints. Problems are: Problem set: 0 solved, 184 unsolved
At refinement iteration 14 (INCLUDED_ONLY) 0/433 variables, 0/307 constraints. Problems are: Problem set: 0 solved, 184 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 18:54:36] [INFO ] Deduced a trap composed of 5 places in 53 ms of which 5 ms to minimize.
At refinement iteration 15 (OVERLAPS) 0/433 variables, 1/308 constraints. Problems are: Problem set: 0 solved, 184 unsolved
Error getting values : (error "ParserException while parsing response: ((t0 12.0)
(t1 10.0)
(t2 0.0)
(t3 13.0)
(t4 0.0)
(t5 0.0)
(t6 0.0)
(t7 0.0)
(t8 0.0)
(t9 0.0)
(t10 0.0)
(t11 0.0)
(t12 0.0)
(t13 0.0)
(t14 0.0)
(t15 0.0)
(t16 0.0)
(t17 0.0)
(t18 0.0)
(t19 0.0)
(t20 0.0)
(t21 0.0)
(t22 0.0)
(t23 0.0)
(t24 0.0)
(t25 0.0)
(t26 0.0)
(t27 1.0)
(t28 1.0)
(t29 1.0)timeout
org.smtlib.IParser$ParserException: Unbalanced parentheses at end of input")
Solver is answering 'unknown', stopping.
After SMT solving in domain Real declared 433/433 variables, and 308 constraints, problems are : Problem set: 0 solved, 184 unsolved in 30010 ms.
Refiners :[Positive P Invariants (semi-flows): 33/33 constraints, Generalized P Invariants (flows): 25/25 constraints, State Equation: 244/244 constraints, PredecessorRefiner: 184/184 constraints, Known Traps: 6/6 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 184 unsolved
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/239 variables, 21/21 constraints. Problems are: Problem set: 0 solved, 184 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/239 variables, 11/32 constraints. Problems are: Problem set: 0 solved, 184 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/239 variables, 6/38 constraints. Problems are: Problem set: 0 solved, 184 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/239 variables, 0/38 constraints. Problems are: Problem set: 0 solved, 184 unsolved
At refinement iteration 4 (OVERLAPS) 2/241 variables, 12/50 constraints. Problems are: Problem set: 0 solved, 184 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/241 variables, 7/57 constraints. Problems are: Problem set: 0 solved, 184 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/241 variables, 0/57 constraints. Problems are: Problem set: 0 solved, 184 unsolved
At refinement iteration 7 (OVERLAPS) 2/243 variables, 7/64 constraints. Problems are: Problem set: 0 solved, 184 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/243 variables, 0/64 constraints. Problems are: Problem set: 0 solved, 184 unsolved
At refinement iteration 9 (OVERLAPS) 189/432 variables, 243/307 constraints. Problems are: Problem set: 0 solved, 184 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/432 variables, 184/491 constraints. Problems are: Problem set: 0 solved, 184 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 18:54:54] [INFO ] Deduced a trap composed of 7 places in 67 ms of which 7 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 18:54:54] [INFO ] Deduced a trap composed of 8 places in 58 ms of which 6 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 18:54:57] [INFO ] Deduced a trap composed of 5 places in 64 ms of which 5 ms to minimize.
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 432/433 variables, and 494 constraints, problems are : Problem set: 0 solved, 184 unsolved in 30011 ms.
Refiners :[Positive P Invariants (semi-flows): 33/33 constraints, Generalized P Invariants (flows): 25/25 constraints, State Equation: 243/244 constraints, PredecessorRefiner: 184/184 constraints, Known Traps: 9/9 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 60065ms problems are : Problem set: 0 solved, 184 unsolved
Search for dead transitions found 0 dead transitions in 60066ms
Finished structural reductions in SI_LTL mode , in 1 iterations and 60832 ms. Remains : 244/244 places, 189/189 transitions.
Built C files in :
/tmp/ltsmin6085567121407032592
[2025-05-31 18:55:10] [INFO ] Computing symmetric may disable matrix : 189 transitions.
[2025-05-31 18:55:10] [INFO ] Computation of Complete disable matrix. took 2 ms. Total solver calls (SAT/UNSAT): 0(0/0)
[2025-05-31 18:55:10] [INFO ] Computing symmetric may enable matrix : 189 transitions.
[2025-05-31 18:55:10] [INFO ] Computation of Complete enable matrix. took 1 ms. Total solver calls (SAT/UNSAT): 0(0/0)
[2025-05-31 18:55:10] [INFO ] Computing Do-Not-Accords matrix : 189 transitions.
[2025-05-31 18:55:10] [INFO ] Computation of Completed DNA matrix. took 4 ms. Total solver calls (SAT/UNSAT): 0(0/0)
[2025-05-31 18:55:10] [INFO ] Built C files in 25ms conformant to PINS (ltsmin variant)in folder :/tmp/ltsmin6085567121407032592
Running compilation step : cd /tmp/ltsmin6085567121407032592;'/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.ltsmin.binaries_1.0.0.202505121319/bin/limit_time.pl' '3' 'gcc' '-c' '-I/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.ltsmin.binaries_1.0.0.202505121319/bin/include/' '-I.' '-std=c99' '-fPIC' '-O0' 'model.c'
Compilation finished in 647 ms.
Running link step : cd /tmp/ltsmin6085567121407032592;'gcc' '-shared' '-o' 'gal.so' 'model.o'
Link finished in 37 ms.
Running LTSmin : cd /tmp/ltsmin6085567121407032592;'/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.ltsmin.binaries_1.0.0.202505121319/bin/pins2lts-mc-linux64' './gal.so' '--threads=8' '-p' '--pins-guards' '--when' '--hoa' '/tmp/stateBased1367353550301784122.hoa' '--buchi-type=spotba'
WARNING : LTS min runner thread was asked to interrupt. Dying gracefully.
[2025-05-31 18:55:25] [INFO ] Flatten gal took : 23 ms
[2025-05-31 18:55:25] [INFO ] Flatten gal took : 22 ms
[2025-05-31 18:55:25] [INFO ] Time to serialize gal into /tmp/LTL10507012536514838230.gal : 6 ms
[2025-05-31 18:55:25] [INFO ] Time to serialize properties into /tmp/LTL6817511751621165554.prop : 1 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-ltl-linux64' '--gc-threshold' '2000000' '-i' '/tmp/LTL10507012536514838230.gal' '-t' 'CGAL' '-hoa' '/tmp/aut7387107176777602939.hoa' '-atoms' '/tmp/LTL6817511751621165554.prop' '-c' '-stutter-deadlock' '--gen-order' 'FOLLOW'
its-ltl command run as :
/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202505121319/bin/its-ltl-linux64 --gc-threshold 2000000 -i /tmp/L...318
Loading property file /tmp/LTL6817511751621165554.prop.
Loaded 2 atomic propositions.
Checking formula 0 provided in automaton : /tmp/aut7387107176777602939.hoa
Detected timeout of ITS tools.
[2025-05-31 18:55:40] [INFO ] Flatten gal took : 21 ms
[2025-05-31 18:55:41] [INFO ] Flatten gal took : 20 ms
[2025-05-31 18:55:41] [INFO ] Time to serialize gal into /tmp/LTL6200604246769701780.gal : 5 ms
[2025-05-31 18:55:41] [INFO ] Time to serialize properties into /tmp/LTL9565661435693654371.ltl : 4 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-ltl-linux64' '--gc-threshold' '2000000' '-i' '/tmp/LTL6200604246769701780.gal' '-t' 'CGAL' '-LTL' '/tmp/LTL9565661435693654371.ltl' '-c' '-stutter-deadlock' '--gen-order' 'FOLLOW'
its-ltl command run as :
/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202505121319/bin/its-ltl-linux64 --gc-threshold 2000000 -i /tmp/L...275
Read 1 LTL properties
Checking formula 0 : !((G(F(("((!((p189==1)&&(p219==1)))||(p163!=1))")U((G("((!((p189==1)&&(p219==1)))||(p163!=1))"))||("((p268!=1)&&((!((p189==1)&&(p219==...179
Formula 0 simplified : FG(!"((!((p189==1)&&(p219==1)))||(p163!=1))" M !"((p268!=1)&&((!((p189==1)&&(p219==1)))||(p163!=1)))")
Detected timeout of ITS tools.
[2025-05-31 18:55:56] [INFO ] Flatten gal took : 17 ms
[2025-05-31 18:55:56] [INFO ] Applying decomposition
[2025-05-31 18:55:56] [INFO ] Flatten gal took : 16 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/graph3145111263987397760.txt' '-o' '/tmp/graph3145111263987397760.bin' '-w' '/tmp/graph3145111263987397760.weights'
Built communities with : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.louvain.binaries_1.0.0.202505121319/bin/louvain-linux64' '/tmp/graph3145111263987397760.bin' '-l' '-1' '-v' '-w' '/tmp/graph3145111263987397760.weights' '-q' '0' '-e' '0.001'
[2025-05-31 18:55:56] [INFO ] Decomposing Gal with order
[2025-05-31 18:55:56] [INFO ] Rewriting arrays to variables to allow decomposition.
[2025-05-31 18:55:56] [INFO ] Removed a total of 26 redundant transitions.
[2025-05-31 18:55:56] [INFO ] Flatten gal took : 80 ms
[2025-05-31 18:55:56] [INFO ] Fuse similar labels procedure discarded/fused a total of 8 labels/synchronizations in 9 ms.
[2025-05-31 18:55:56] [INFO ] Time to serialize gal into /tmp/LTL7170254523238268680.gal : 6 ms
[2025-05-31 18:55:56] [INFO ] Time to serialize properties into /tmp/LTL10308836377618325137.ltl : 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-ltl-linux64' '--gc-threshold' '2000000' '-i' '/tmp/LTL7170254523238268680.gal' '-t' 'CGAL' '-LTL' '/tmp/LTL10308836377618325137.ltl' '-c' '-stutter-deadlock'
its-ltl command run as :
/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202505121319/bin/its-ltl-linux64 --gc-threshold 2000000 -i /tmp/L...255
Read 1 LTL properties
Checking formula 0 : !((G(F(("((!((i2.u6.p189==1)&&(i2.u8.p219==1)))||(i0.u3.p163!=1))")U((G("((!((i2.u6.p189==1)&&(i2.u8.p219==1)))||(i0.u3.p163!=1))"))||...243
Formula 0 simplified : FG(!"((!((i2.u6.p189==1)&&(i2.u8.p219==1)))||(i0.u3.p163!=1))" M !"((i6.i1.u14.p268!=1)&&((!((i2.u6.p189==1)&&(i2.u8.p219==1)))||(i0...171
Detected timeout of ITS tools.
Treatment of property DES-PT-30b-LTLFireability-03 finished in 262086 ms.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202505121319/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!(G((X(X(p0))||F(!(G(p1) U !p2))||p3)))'
Support contains 7 out of 367 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 367/367 places, 314/314 transitions.
Discarding 9 places :
Symmetric choice reduction at 0 with 9 rule applications. Total rules 9 place count 358 transition count 305
Iterating global reduction 0 with 9 rules applied. Total rules applied 18 place count 358 transition count 305
Ensure Unique test removed 3 transitions
Reduce isomorphic transitions removed 3 transitions.
Iterating post reduction 0 with 3 rules applied. Total rules applied 21 place count 358 transition count 302
Discarding 5 places :
Symmetric choice reduction at 1 with 5 rule applications. Total rules 26 place count 353 transition count 297
Iterating global reduction 1 with 5 rules applied. Total rules applied 31 place count 353 transition count 297
Ensure Unique test removed 4 transitions
Reduce isomorphic transitions removed 4 transitions.
Iterating post reduction 1 with 4 rules applied. Total rules applied 35 place count 353 transition count 293
Applied a total of 35 rules in 22 ms. Remains 353 /367 variables (removed 14) and now considering 293/314 (removed 21) transitions.
// Phase 1: matrix 293 rows 353 cols
[2025-05-31 18:56:11] [INFO ] Computed 62 invariants in 4 ms
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-05-31 18:56:11] [INFO ] Implicit Places using invariants in 380 ms returned []
[2025-05-31 18:56:11] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-05-31 18:56:12] [INFO ] Implicit Places using invariants and state equation in 978 ms returned []
Implicit Place search using SMT with State Equation took 1360 ms to find 0 implicit places.
Running 292 sub problems to find dead transitions.
[2025-05-31 18:56:12] [INFO ] Invariant cache hit.
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/352 variables, 15/15 constraints. Problems are: Problem set: 0 solved, 292 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/352 variables, 0/15 constraints. Problems are: Problem set: 0 solved, 292 unsolved
At refinement iteration 2 (OVERLAPS) 1/353 variables, 33/48 constraints. Problems are: Problem set: 0 solved, 292 unsolved
All remaining problems are real, not stopping.
At refinement iteration 3 (INCLUDED_ONLY) 0/353 variables, 14/62 constraints. Problems are: Problem set: 0 solved, 292 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/353 variables, 0/62 constraints. Problems are: Problem set: 0 solved, 292 unsolved
At refinement iteration 5 (OVERLAPS) 293/646 variables, 353/415 constraints. Problems are: Problem set: 0 solved, 292 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 18:56:23] [INFO ] Deduced a trap composed of 10 places in 156 ms of which 11 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 18:56:24] [INFO ] Deduced a trap composed of 15 places in 111 ms of which 15 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 18:56:24] [INFO ] Deduced a trap composed of 29 places in 104 ms of which 12 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 18:56:24] [INFO ] Deduced a trap composed of 12 places in 156 ms of which 13 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 18:56:24] [INFO ] Deduced a trap composed of 13 places in 146 ms of which 13 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 18:56:24] [INFO ] Deduced a trap composed of 17 places in 125 ms of which 13 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 18:56:24] [INFO ] Deduced a trap composed of 18 places in 98 ms of which 9 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 18:56:25] [INFO ] Deduced a trap composed of 22 places in 129 ms of which 17 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 18:56:25] [INFO ] Deduced a trap composed of 23 places in 105 ms of which 12 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 18:56:25] [INFO ] Deduced a trap composed of 30 places in 90 ms of which 6 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 18:56:25] [INFO ] Deduced a trap composed of 23 places in 99 ms of which 13 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 18:56:25] [INFO ] Deduced a trap composed of 17 places in 99 ms of which 11 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 18:56:25] [INFO ] Deduced a trap composed of 17 places in 106 ms of which 11 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 18:56:25] [INFO ] Deduced a trap composed of 18 places in 92 ms of which 8 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 18:56:26] [INFO ] Deduced a trap composed of 18 places in 77 ms of which 6 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 18:56:26] [INFO ] Deduced a trap composed of 15 places in 53 ms of which 5 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 18:56:26] [INFO ] Deduced a trap composed of 16 places in 51 ms of which 5 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 18:56:26] [INFO ] Deduced a trap composed of 8 places in 166 ms of which 12 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 18:56:27] [INFO ] Deduced a trap composed of 14 places in 140 ms of which 12 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 18:56:27] [INFO ] Deduced a trap composed of 18 places in 93 ms of which 14 ms to minimize.
At refinement iteration 6 (INCLUDED_ONLY) 0/646 variables, 20/435 constraints. Problems are: Problem set: 0 solved, 292 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 18:56:29] [INFO ] Deduced a trap composed of 14 places in 64 ms of which 5 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 18:56:29] [INFO ] Deduced a trap composed of 18 places in 53 ms of which 6 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 18:56:29] [INFO ] Deduced a trap composed of 17 places in 60 ms of which 7 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 18:56:29] [INFO ] Deduced a trap composed of 19 places in 56 ms of which 7 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 18:56:29] [INFO ] Deduced a trap composed of 18 places in 53 ms of which 8 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 18:56:29] [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
[2025-05-31 18:56:29] [INFO ] Deduced a trap composed of 19 places in 56 ms of which 7 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 18:56:29] [INFO ] Deduced a trap composed of 21 places in 49 ms of which 5 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 18:56:30] [INFO ] Deduced a trap composed of 20 places in 53 ms of which 7 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 18:56:30] [INFO ] Deduced a trap composed of 22 places in 50 ms of which 6 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 18:56:30] [INFO ] Deduced a trap composed of 21 places in 57 ms of which 8 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 18:56:30] [INFO ] Deduced a trap composed of 23 places in 44 ms of which 5 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 18:56:31] [INFO ] Deduced a trap composed of 9 places in 53 ms of which 7 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 18:56:32] [INFO ] Deduced a trap composed of 10 places in 44 ms of which 5 ms to minimize.
At refinement iteration 7 (INCLUDED_ONLY) 0/646 variables, 14/449 constraints. Problems are: Problem set: 0 solved, 292 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 18:56:35] [INFO ] Deduced a trap composed of 16 places in 92 ms of which 7 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 18:56:35] [INFO ] Deduced a trap composed of 22 places in 133 ms of which 15 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 18:56:38] [INFO ] Deduced a trap composed of 27 places in 84 ms of which 10 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 18:56:38] [INFO ] Deduced a trap composed of 28 places in 91 ms of which 10 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 18:56:38] [INFO ] Deduced a trap composed of 29 places in 97 ms of which 13 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 18:56:38] [INFO ] Deduced a trap composed of 18 places in 63 ms of which 6 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 18:56:39] [INFO ] Deduced a trap composed of 19 places in 63 ms of which 5 ms to minimize.
At refinement iteration 8 (INCLUDED_ONLY) 0/646 variables, 7/456 constraints. Problems are: Problem set: 0 solved, 292 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Real declared 646/646 variables, and 456 constraints, problems are : Problem set: 0 solved, 292 unsolved in 30015 ms.
Refiners :[Positive P Invariants (semi-flows): 33/33 constraints, Generalized P Invariants (flows): 29/29 constraints, State Equation: 353/353 constraints, PredecessorRefiner: 292/292 constraints, Known Traps: 41/41 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 292 unsolved
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/352 variables, 15/15 constraints. Problems are: Problem set: 0 solved, 292 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/352 variables, 0/15 constraints. Problems are: Problem set: 0 solved, 292 unsolved
At refinement iteration 2 (OVERLAPS) 1/353 variables, 33/48 constraints. Problems are: Problem set: 0 solved, 292 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/353 variables, 14/62 constraints. Problems are: Problem set: 0 solved, 292 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/353 variables, 41/103 constraints. Problems are: Problem set: 0 solved, 292 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 18:56:46] [INFO ] Deduced a trap composed of 25 places in 64 ms of which 5 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 18:56:46] [INFO ] Deduced a trap composed of 13 places in 88 ms of which 6 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 18:56:46] [INFO ] Deduced a trap composed of 32 places in 57 ms of which 5 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 18:56:46] [INFO ] Deduced a trap composed of 19 places in 43 ms of which 5 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 18:56:46] [INFO ] Deduced a trap composed of 20 places in 47 ms of which 5 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 18:56:46] [INFO ] Deduced a trap composed of 20 places in 59 ms of which 7 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 18:56:46] [INFO ] Deduced a trap composed of 21 places in 67 ms of which 7 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 18:56:47] [INFO ] Deduced a trap composed of 22 places in 74 ms of which 8 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 18:56:47] [INFO ] Deduced a trap composed of 23 places in 58 ms of which 7 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 18:56:47] [INFO ] Deduced a trap composed of 7 places in 154 ms of which 14 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 18:56:47] [INFO ] Deduced a trap composed of 10 places in 240 ms of which 17 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 18:56:47] [INFO ] Deduced a trap composed of 11 places in 193 ms of which 14 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 18:56:48] [INFO ] Deduced a trap composed of 13 places in 72 ms of which 7 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 18:56:48] [INFO ] Deduced a trap composed of 14 places in 78 ms of which 7 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 18:56:48] [INFO ] Deduced a trap composed of 11 places in 64 ms of which 7 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 18:56:48] [INFO ] Deduced a trap composed of 14 places in 65 ms of which 4 ms to minimize.
At refinement iteration 5 (INCLUDED_ONLY) 0/353 variables, 16/119 constraints. Problems are: Problem set: 0 solved, 292 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 18:56:51] [INFO ] Deduced a trap composed of 21 places in 120 ms of which 9 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 18:56:52] [INFO ] Deduced a trap composed of 21 places in 76 ms of which 8 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 18:56:52] [INFO ] Deduced a trap composed of 22 places in 65 ms of which 6 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 18:56:52] [INFO ] Deduced a trap composed of 23 places in 55 ms of which 6 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 18:56:52] [INFO ] Deduced a trap composed of 24 places in 49 ms of which 4 ms to minimize.
At refinement iteration 6 (INCLUDED_ONLY) 0/353 variables, 5/124 constraints. Problems are: Problem set: 0 solved, 292 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/353 variables, 0/124 constraints. Problems are: Problem set: 0 solved, 292 unsolved
At refinement iteration 8 (OVERLAPS) 293/646 variables, 353/477 constraints. Problems are: Problem set: 0 solved, 292 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/646 variables, 292/769 constraints. Problems are: Problem set: 0 solved, 292 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 646/646 variables, and 769 constraints, problems are : Problem set: 0 solved, 292 unsolved in 30014 ms.
Refiners :[Positive P Invariants (semi-flows): 33/33 constraints, Generalized P Invariants (flows): 29/29 constraints, State Equation: 353/353 constraints, PredecessorRefiner: 292/292 constraints, Known Traps: 62/62 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 60084ms problems are : Problem set: 0 solved, 292 unsolved
Search for dead transitions found 0 dead transitions in 60085ms
Starting structural reductions in LTL mode, iteration 1 : 353/367 places, 293/314 transitions.
Finished structural reductions in LTL mode , in 1 iterations and 61468 ms. Remains : 353/367 places, 293/314 transitions.
Stuttering acceptance computed with spot in 367 ms :[(AND (NOT p0) (NOT p2) (NOT p3)), (AND (NOT p0) (NOT p2)), (AND p1 (NOT p0) (NOT p2)), (AND (NOT p0) (NOT p2)), (AND p1 (NOT p0) (NOT p2)), (NOT p2), (AND (NOT p2) p1)]
Running random walk in product with property : DES-PT-30b-LTLFireability-04
Product exploration explored 100000 steps with 24994 reset in 203 ms.
Product exploration explored 100000 steps with 25055 reset in 242 ms.
Computed a total of 176 stabilizing places and 168 stable transitions
Graph (complete) has 766 edges and 353 vertex of which 347 are kept as prefixes of interest. Removing 6 places using SCC suffix rule.6 ms
Computed a total of 176 stabilizing places and 168 stable transitions
Detected a total of 176/353 stabilizing places and 168/293 transitions leading to convergence knowledge of the form 'F(Gp|G!p)' for 2/4 atomic propositions.
Knowledge obtained : [(AND (NOT p3) (NOT p2) (NOT p1) p0), (X (NOT p2)), (X (NOT (AND p1 p2))), (X (NOT p1)), (X (X (NOT p2))), (X (X (NOT (AND (NOT p2) (NOT p0))))), (X (X (NOT (AND p1 p2 (NOT p0))))), (X (X (NOT (AND p1 (NOT p0))))), (X (X p0)), (X (X (NOT p1))), (F (OR (G p3) (G (NOT p3)))), (F (OR (G p1) (G (NOT p1))))]
False Knowledge obtained : []
Knowledge based reduction with 12 factoid took 286 ms. Reduced automaton from 7 states, 13 edges and 4 AP (stutter sensitive) to 7 states, 13 edges and 4 AP (stutter sensitive).
Stuttering acceptance computed with spot in 379 ms :[(AND (NOT p0) (NOT p2) (NOT p3)), (AND (NOT p0) (NOT p2)), (AND p1 (NOT p0) (NOT p2)), (AND (NOT p0) (NOT p2)), (AND p1 (NOT p0) (NOT p2)), (NOT p2), (AND (NOT p2) p1)]
RANDOM walk for 40000 steps (348 resets) in 242 ms. (164 steps per ms) remains 6/11 properties
BEST_FIRST walk for 40003 steps (62 resets) in 286 ms. (139 steps per ms) remains 6/6 properties
BEST_FIRST walk for 40003 steps (59 resets) in 102 ms. (388 steps per ms) remains 6/6 properties
BEST_FIRST walk for 40002 steps (64 resets) in 97 ms. (408 steps per ms) remains 6/6 properties
BEST_FIRST walk for 40003 steps (61 resets) in 90 ms. (439 steps per ms) remains 6/6 properties
BEST_FIRST walk for 40003 steps (55 resets) in 70 ms. (563 steps per ms) remains 6/6 properties
BEST_FIRST walk for 40004 steps (66 resets) in 73 ms. (540 steps per ms) remains 6/6 properties
[2025-05-31 18:57:14] [INFO ] Invariant cache hit.
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) 0/7 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 1 (OVERLAPS) 16/23 variables, 3/3 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/23 variables, 0/3 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 3 (OVERLAPS) 143/166 variables, 30/33 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/166 variables, 0/33 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 5 (OVERLAPS) 168/334 variables, 27/60 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/334 variables, 0/60 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 7 (OVERLAPS) 4/338 variables, 2/62 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/338 variables, 0/62 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 9 (OVERLAPS) 280/618 variables, 338/400 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/618 variables, 0/400 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 11 (OVERLAPS) 18/636 variables, 10/410 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 12 (INCLUDED_ONLY) 0/636 variables, 0/410 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 13 (OVERLAPS) 6/642 variables, 3/413 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 14 (INCLUDED_ONLY) 0/642 variables, 0/413 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 15 (OVERLAPS) 2/644 variables, 1/414 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 16 (INCLUDED_ONLY) 0/644 variables, 0/414 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 17 (OVERLAPS) 2/646 variables, 1/415 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 18 (INCLUDED_ONLY) 0/646 variables, 0/415 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 19 (OVERLAPS) 0/646 variables, 0/415 constraints. Problems are: Problem set: 0 solved, 6 unsolved
No progress, stopping.
After SMT solving in domain Real declared 646/646 variables, and 415 constraints, problems are : Problem set: 0 solved, 6 unsolved in 1415 ms.
Refiners :[Positive P Invariants (semi-flows): 33/33 constraints, Generalized P Invariants (flows): 29/29 constraints, State Equation: 353/353 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 5.0 s and query timeout 500.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/7 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 1 (OVERLAPS) 16/23 variables, 3/3 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/23 variables, 0/3 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 3 (OVERLAPS) 143/166 variables, 30/33 constraints. Problems are: Problem set: 0 solved, 6 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 18:57:16] [INFO ] Deduced a trap composed of 12 places in 94 ms of which 7 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 18:57:16] [INFO ] Deduced a trap composed of 13 places in 96 ms of which 5 ms to minimize.
At refinement iteration 4 (INCLUDED_ONLY) 0/166 variables, 2/35 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/166 variables, 0/35 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 6 (OVERLAPS) 168/334 variables, 27/62 constraints. Problems are: Problem set: 0 solved, 6 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 18:57:16] [INFO ] Deduced a trap composed of 22 places in 121 ms of which 11 ms to minimize.
At refinement iteration 7 (INCLUDED_ONLY) 0/334 variables, 1/63 constraints. Problems are: Problem set: 0 solved, 6 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 18:57:17] [INFO ] Deduced a trap composed of 22 places in 166 ms of which 15 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 18:57:17] [INFO ] Deduced a trap composed of 22 places in 131 ms of which 12 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 18:57:17] [INFO ] Deduced a trap composed of 14 places in 101 ms of which 8 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 18:57:17] [INFO ] Deduced a trap composed of 15 places in 170 ms of which 19 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 18:57:17] [INFO ] Deduced a trap composed of 16 places in 171 ms of which 18 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 18:57:17] [INFO ] Deduced a trap composed of 17 places in 156 ms of which 19 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 18:57:18] [INFO ] Deduced a trap composed of 18 places in 164 ms of which 19 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 18:57:18] [INFO ] Deduced a trap composed of 19 places in 161 ms of which 20 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 18:57:18] [INFO ] Deduced a trap composed of 20 places in 151 ms of which 20 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 18:57:18] [INFO ] Deduced a trap composed of 21 places in 152 ms of which 20 ms to minimize.
At refinement iteration 8 (INCLUDED_ONLY) 0/334 variables, 10/73 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/334 variables, 0/73 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 10 (OVERLAPS) 4/338 variables, 2/75 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/338 variables, 0/75 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 12 (OVERLAPS) 280/618 variables, 338/413 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 13 (INCLUDED_ONLY) 0/618 variables, 5/418 constraints. Problems are: Problem set: 0 solved, 6 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 18:57:19] [INFO ] Deduced a trap composed of 9 places in 140 ms of which 16 ms to minimize.
At refinement iteration 14 (INCLUDED_ONLY) 0/618 variables, 1/419 constraints. Problems are: Problem set: 0 solved, 6 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 18:57:20] [INFO ] Deduced a trap along path composed of 7 places in 91 ms of which 10 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 18:57:20] [INFO ] Deduced a trap along path composed of 5 places in 94 ms of which 3 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 18:57:20] [INFO ] Deduced a trap along path composed of 13 places in 66 ms of which 2 ms to minimize.
At refinement iteration 15 (INCLUDED_ONLY) 0/618 variables, 3/422 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 16 (INCLUDED_ONLY) 0/618 variables, 0/422 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 17 (OVERLAPS) 18/636 variables, 10/432 constraints. Problems are: Problem set: 0 solved, 6 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 636/646 variables, and 433 constraints, problems are : Problem set: 0 solved, 6 unsolved in 5012 ms.
Refiners :[Positive P Invariants (semi-flows): 33/33 constraints, Generalized P Invariants (flows): 29/29 constraints, State Equation: 348/353 constraints, PredecessorRefiner: 6/6 constraints, Known Traps: 14/14 constraints, Known Traps Along Path: 3/3 constraints]
After SMT, in 6437ms problems are : Problem set: 0 solved, 6 unsolved
Skipping Parikh replay, no witness traces provided.
Support contains 7 out of 353 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 353/353 places, 293/293 transitions.
Graph (complete) has 766 edges and 353 vertex of which 347 are kept as prefixes of interest. Removing 6 places using SCC suffix rule.0 ms
Discarding 6 places :
Also discarding 3 output transitions
Drop transitions (Output transitions of discarded places.) removed 3 transitions
Drop transitions (Empty/Sink Transition effects.) removed 2 transitions
Reduce isomorphic transitions removed 2 transitions.
Drop transitions (Trivial Post-Agglo cleanup.) removed 16 transitions
Trivial Post-agglo rules discarded 16 transitions
Performed 16 trivial Post agglomeration. Transition count delta: 16
Iterating post reduction 0 with 18 rules applied. Total rules applied 19 place count 347 transition count 272
Reduce places removed 16 places and 0 transitions.
Iterating post reduction 1 with 16 rules applied. Total rules applied 35 place count 331 transition count 272
Performed 10 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 2 with 10 Pre rules applied. Total rules applied 35 place count 331 transition count 262
Deduced a syphon composed of 10 places in 0 ms
Reduce places removed 10 places and 0 transitions.
Iterating global reduction 2 with 20 rules applied. Total rules applied 55 place count 321 transition count 262
Performed 74 Post agglomeration using F-continuation condition.Transition count delta: 74
Deduced a syphon composed of 74 places in 1 ms
Reduce places removed 74 places and 0 transitions.
Iterating global reduction 2 with 148 rules applied. Total rules applied 203 place count 247 transition count 188
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 2 with 4 rules applied. Total rules applied 207 place count 245 transition count 190
Free-agglomeration rule (complex) applied 1 times.
Iterating global reduction 2 with 1 rules applied. Total rules applied 208 place count 245 transition count 189
Reduce places removed 1 places and 0 transitions.
Iterating post reduction 2 with 1 rules applied. Total rules applied 209 place count 244 transition count 189
Partial Free-agglomeration rule applied 1 times.
Drop transitions (Partial Free agglomeration) removed 1 transitions
Iterating global reduction 3 with 1 rules applied. Total rules applied 210 place count 244 transition count 189
Reduce places removed 1 places and 1 transitions.
Iterating global reduction 3 with 1 rules applied. Total rules applied 211 place count 243 transition count 188
Reduce places removed 1 places and 0 transitions.
Iterating post reduction 3 with 1 rules applied. Total rules applied 212 place count 242 transition count 188
Applied a total of 212 rules in 76 ms. Remains 242 /353 variables (removed 111) and now considering 188/293 (removed 105) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 76 ms. Remains : 242/353 places, 188/293 transitions.
RANDOM walk for 40000 steps (1604 resets) in 314 ms. (126 steps per ms) remains 6/6 properties
BEST_FIRST walk for 40003 steps (315 resets) in 121 ms. (327 steps per ms) remains 6/6 properties
BEST_FIRST walk for 40002 steps (354 resets) in 137 ms. (289 steps per ms) remains 6/6 properties
BEST_FIRST walk for 40003 steps (336 resets) in 137 ms. (289 steps per ms) remains 6/6 properties
BEST_FIRST walk for 40003 steps (320 resets) in 170 ms. (233 steps per ms) remains 4/6 properties
BEST_FIRST walk for 40003 steps (304 resets) in 159 ms. (250 steps per ms) remains 4/4 properties
// Phase 1: matrix 188 rows 242 cols
[2025-05-31 18:57:21] [INFO ] Computed 60 invariants in 4 ms
[2025-05-31 18:57:21] [INFO ] State equation strengthened by 6 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) 0/6 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 1 (OVERLAPS) 9/15 variables, 4/4 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/15 variables, 0/4 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 3 (OVERLAPS) 4/19 variables, 2/6 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/19 variables, 0/6 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 5 (OVERLAPS) 119/138 variables, 7/13 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/138 variables, 0/13 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 7 (OVERLAPS) 34/172 variables, 20/33 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/172 variables, 0/33 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 9 (OVERLAPS) 6/178 variables, 2/35 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/178 variables, 0/35 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 11 (OVERLAPS) 25/203 variables, 17/52 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 12 (INCLUDED_ONLY) 0/203 variables, 0/52 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 13 (OVERLAPS) 7/210 variables, 7/59 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 14 (INCLUDED_ONLY) 0/210 variables, 0/59 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 15 (OVERLAPS) 159/369 variables, 210/269 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 16 (INCLUDED_ONLY) 0/369 variables, 6/275 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 17 (INCLUDED_ONLY) 0/369 variables, 0/275 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 18 (OVERLAPS) 32/401 variables, 3/278 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 19 (INCLUDED_ONLY) 0/401 variables, 1/279 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 20 (INCLUDED_ONLY) 0/401 variables, 0/279 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 21 (OVERLAPS) 29/430 variables, 29/308 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 22 (INCLUDED_ONLY) 0/430 variables, 0/308 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 23 (OVERLAPS) 0/430 variables, 0/308 constraints. Problems are: Problem set: 0 solved, 4 unsolved
No progress, stopping.
After SMT solving in domain Real declared 430/430 variables, and 308 constraints, problems are : Problem set: 0 solved, 4 unsolved in 713 ms.
Refiners :[Positive P Invariants (semi-flows): 36/36 constraints, Generalized P Invariants (flows): 24/24 constraints, State Equation: 242/242 constraints, ReadFeed: 6/6 constraints, PredecessorRefiner: 4/4 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 4 unsolved
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/6 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 1 (OVERLAPS) 9/15 variables, 4/4 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/15 variables, 0/4 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 3 (OVERLAPS) 4/19 variables, 2/6 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/19 variables, 0/6 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 5 (OVERLAPS) 119/138 variables, 7/13 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/138 variables, 0/13 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 7 (OVERLAPS) 34/172 variables, 20/33 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/172 variables, 0/33 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 9 (OVERLAPS) 6/178 variables, 2/35 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/178 variables, 0/35 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 11 (OVERLAPS) 25/203 variables, 17/52 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 12 (INCLUDED_ONLY) 0/203 variables, 0/52 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 13 (OVERLAPS) 7/210 variables, 7/59 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 14 (INCLUDED_ONLY) 0/210 variables, 0/59 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 15 (OVERLAPS) 159/369 variables, 210/269 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 16 (INCLUDED_ONLY) 0/369 variables, 6/275 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 17 (INCLUDED_ONLY) 0/369 variables, 4/279 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 18 (INCLUDED_ONLY) 0/369 variables, 0/279 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 19 (OVERLAPS) 32/401 variables, 3/282 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 20 (INCLUDED_ONLY) 0/401 variables, 1/283 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 21 (INCLUDED_ONLY) 0/401 variables, 0/283 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 22 (OVERLAPS) 29/430 variables, 29/312 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 23 (INCLUDED_ONLY) 0/430 variables, 0/312 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 24 (OVERLAPS) 0/430 variables, 0/312 constraints. Problems are: Problem set: 0 solved, 4 unsolved
No progress, stopping.
After SMT solving in domain Int declared 430/430 variables, and 312 constraints, problems are : Problem set: 0 solved, 4 unsolved in 1637 ms.
Refiners :[Positive P Invariants (semi-flows): 36/36 constraints, Generalized P Invariants (flows): 24/24 constraints, State Equation: 242/242 constraints, ReadFeed: 6/6 constraints, PredecessorRefiner: 4/4 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 2362ms problems are : Problem set: 0 solved, 4 unsolved
Fused 4 Parikh solutions to 2 different solutions.
Parikh walk visited 0 properties in 4125 ms.
Support contains 6 out of 242 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 242/242 places, 188/188 transitions.
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 2 place count 241 transition count 187
Reduce places removed 1 places and 1 transitions.
Iterating global reduction 0 with 1 rules applied. Total rules applied 3 place count 240 transition count 186
Applied a total of 3 rules in 13 ms. Remains 240 /242 variables (removed 2) and now considering 186/188 (removed 2) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 13 ms. Remains : 240/242 places, 186/188 transitions.
RANDOM walk for 40000 steps (1756 resets) in 226 ms. (176 steps per ms) remains 4/4 properties
BEST_FIRST walk for 40002 steps (356 resets) in 84 ms. (470 steps per ms) remains 4/4 properties
BEST_FIRST walk for 40004 steps (347 resets) in 109 ms. (363 steps per ms) remains 4/4 properties
BEST_FIRST walk for 40002 steps (391 resets) in 83 ms. (476 steps per ms) remains 4/4 properties
BEST_FIRST walk for 40003 steps (338 resets) in 82 ms. (481 steps per ms) remains 4/4 properties
Interrupted probabilistic random walk after 444663 steps, run timeout after 3001 ms. (steps per millisecond=148 ) properties seen :0 out of 4
Probabilistic random walk after 444663 steps, saw 98127 distinct states, run finished after 3001 ms. (steps per millisecond=148 ) properties seen :0
// Phase 1: matrix 186 rows 240 cols
[2025-05-31 18:57:31] [INFO ] Computed 60 invariants in 3 ms
[2025-05-31 18:57:31] [INFO ] State equation strengthened by 6 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) 0/6 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 1 (OVERLAPS) 9/15 variables, 4/4 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/15 variables, 0/4 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 3 (OVERLAPS) 4/19 variables, 2/6 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/19 variables, 0/6 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 5 (OVERLAPS) 119/138 variables, 7/13 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/138 variables, 0/13 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 7 (OVERLAPS) 32/170 variables, 20/33 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/170 variables, 0/33 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 9 (OVERLAPS) 25/195 variables, 17/50 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/195 variables, 0/50 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 11 (OVERLAPS) 7/202 variables, 7/57 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 12 (INCLUDED_ONLY) 0/202 variables, 0/57 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 13 (OVERLAPS) 154/356 variables, 202/259 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 14 (INCLUDED_ONLY) 0/356 variables, 6/265 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 15 (INCLUDED_ONLY) 0/356 variables, 0/265 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 16 (OVERLAPS) 9/365 variables, 6/271 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 17 (INCLUDED_ONLY) 0/365 variables, 2/273 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 18 (INCLUDED_ONLY) 0/365 variables, 0/273 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 19 (OVERLAPS) 32/397 variables, 3/276 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 20 (INCLUDED_ONLY) 0/397 variables, 1/277 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 21 (INCLUDED_ONLY) 0/397 variables, 0/277 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 22 (OVERLAPS) 29/426 variables, 29/306 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 23 (INCLUDED_ONLY) 0/426 variables, 0/306 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 24 (OVERLAPS) 0/426 variables, 0/306 constraints. Problems are: Problem set: 0 solved, 4 unsolved
No progress, stopping.
After SMT solving in domain Real declared 426/426 variables, and 306 constraints, problems are : Problem set: 0 solved, 4 unsolved in 664 ms.
Refiners :[Positive P Invariants (semi-flows): 36/36 constraints, Generalized P Invariants (flows): 24/24 constraints, State Equation: 240/240 constraints, ReadFeed: 6/6 constraints, PredecessorRefiner: 4/4 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 4 unsolved
Starting Z3 with timeout 75.0 s and query timeout 7500.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/6 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 1 (OVERLAPS) 9/15 variables, 4/4 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/15 variables, 0/4 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 3 (OVERLAPS) 4/19 variables, 2/6 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/19 variables, 0/6 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 5 (OVERLAPS) 119/138 variables, 7/13 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/138 variables, 0/13 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 7 (OVERLAPS) 32/170 variables, 20/33 constraints. Problems are: Problem set: 0 solved, 4 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 18:57:32] [INFO ] Deduced a trap composed of 14 places in 103 ms of which 24 ms to minimize.
At refinement iteration 8 (INCLUDED_ONLY) 0/170 variables, 1/34 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/170 variables, 0/34 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 10 (OVERLAPS) 25/195 variables, 17/51 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/195 variables, 0/51 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 12 (OVERLAPS) 7/202 variables, 7/58 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 13 (INCLUDED_ONLY) 0/202 variables, 0/58 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 14 (OVERLAPS) 154/356 variables, 202/260 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 15 (INCLUDED_ONLY) 0/356 variables, 6/266 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 16 (INCLUDED_ONLY) 0/356 variables, 4/270 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 17 (INCLUDED_ONLY) 0/356 variables, 0/270 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 18 (OVERLAPS) 9/365 variables, 6/276 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 19 (INCLUDED_ONLY) 0/365 variables, 2/278 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 20 (INCLUDED_ONLY) 0/365 variables, 0/278 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 21 (OVERLAPS) 32/397 variables, 3/281 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 22 (INCLUDED_ONLY) 0/397 variables, 1/282 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 23 (INCLUDED_ONLY) 0/397 variables, 0/282 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 24 (OVERLAPS) 29/426 variables, 29/311 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 25 (INCLUDED_ONLY) 0/426 variables, 0/311 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 26 (OVERLAPS) 0/426 variables, 0/311 constraints. Problems are: Problem set: 0 solved, 4 unsolved
No progress, stopping.
After SMT solving in domain Int declared 426/426 variables, and 311 constraints, problems are : Problem set: 0 solved, 4 unsolved in 2113 ms.
Refiners :[Positive P Invariants (semi-flows): 36/36 constraints, Generalized P Invariants (flows): 24/24 constraints, State Equation: 240/240 constraints, ReadFeed: 6/6 constraints, PredecessorRefiner: 4/4 constraints, Known Traps: 1/1 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 2788ms problems are : Problem set: 0 solved, 4 unsolved
Fused 4 Parikh solutions to 2 different solutions.
Parikh walk visited 0 properties in 4943 ms.
Support contains 6 out of 240 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 240/240 places, 186/186 transitions.
Applied a total of 0 rules in 5 ms. Remains 240 /240 variables (removed 0) and now considering 186/186 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 6 ms. Remains : 240/240 places, 186/186 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 240/240 places, 186/186 transitions.
Applied a total of 0 rules in 6 ms. Remains 240 /240 variables (removed 0) and now considering 186/186 (removed 0) transitions.
[2025-05-31 18:57:39] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-05-31 18:57:39] [INFO ] Implicit Places using invariants in 216 ms returned []
[2025-05-31 18:57:39] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-05-31 18:57:39] [INFO ] State equation strengthened by 6 read => feed constraints.
[2025-05-31 18:57:39] [INFO ] Implicit Places using invariants and state equation in 588 ms returned []
Implicit Place search using SMT with State Equation took 818 ms to find 0 implicit places.
Starting Z3 with timeout 200.0 s and query timeout 20000.0 ms
[2025-05-31 18:57:39] [INFO ] Redundant transitions in 2 ms returned []
Running 183 sub problems to find dead transitions.
[2025-05-31 18:57:39] [INFO ] Invariant cache hit.
[2025-05-31 18:57:39] [INFO ] State equation strengthened by 6 read => feed constraints.
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/237 variables, 33/33 constraints. Problems are: Problem set: 0 solved, 183 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/237 variables, 17/50 constraints. Problems are: Problem set: 0 solved, 183 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/237 variables, 0/50 constraints. Problems are: Problem set: 0 solved, 183 unsolved
At refinement iteration 3 (OVERLAPS) 1/238 variables, 3/53 constraints. Problems are: Problem set: 0 solved, 183 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/238 variables, 0/53 constraints. Problems are: Problem set: 0 solved, 183 unsolved
At refinement iteration 5 (OVERLAPS) 1/239 variables, 7/60 constraints. Problems are: Problem set: 0 solved, 183 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/239 variables, 0/60 constraints. Problems are: Problem set: 0 solved, 183 unsolved
At refinement iteration 7 (OVERLAPS) 186/425 variables, 239/299 constraints. Problems are: Problem set: 0 solved, 183 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/425 variables, 6/305 constraints. Problems are: Problem set: 0 solved, 183 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 18:57:55] [INFO ] Deduced a trap composed of 13 places in 132 ms of which 14 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 18:57:55] [INFO ] Deduced a trap composed of 15 places in 154 ms of which 13 ms to minimize.
At refinement iteration 9 (INCLUDED_ONLY) 0/425 variables, 2/307 constraints. Problems are: Problem set: 0 solved, 183 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/425 variables, 0/307 constraints. Problems are: Problem set: 0 solved, 183 unsolved
At refinement iteration 11 (OVERLAPS) 1/426 variables, 1/308 constraints. Problems are: Problem set: 0 solved, 183 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 18:58:04] [INFO ] Deduced a trap composed of 3 places in 79 ms of which 6 ms to minimize.
At refinement iteration 12 (INCLUDED_ONLY) 0/426 variables, 1/309 constraints. Problems are: Problem set: 0 solved, 183 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 18:58:08] [INFO ] Deduced a trap composed of 18 places in 131 ms of which 14 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 18:58:08] [INFO ] Deduced a trap composed of 5 places in 61 ms of which 5 ms to minimize.
At refinement iteration 13 (INCLUDED_ONLY) 0/426 variables, 2/311 constraints. Problems are: Problem set: 0 solved, 183 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Real declared 426/426 variables, and 311 constraints, problems are : Problem set: 0 solved, 183 unsolved in 30013 ms.
Refiners :[Positive P Invariants (semi-flows): 36/36 constraints, Generalized P Invariants (flows): 24/24 constraints, State Equation: 240/240 constraints, ReadFeed: 6/6 constraints, PredecessorRefiner: 183/183 constraints, Known Traps: 5/5 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 183 unsolved
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/237 variables, 33/33 constraints. Problems are: Problem set: 0 solved, 183 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/237 variables, 17/50 constraints. Problems are: Problem set: 0 solved, 183 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/237 variables, 5/55 constraints. Problems are: Problem set: 0 solved, 183 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/237 variables, 0/55 constraints. Problems are: Problem set: 0 solved, 183 unsolved
At refinement iteration 4 (OVERLAPS) 1/238 variables, 3/58 constraints. Problems are: Problem set: 0 solved, 183 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/238 variables, 0/58 constraints. Problems are: Problem set: 0 solved, 183 unsolved
At refinement iteration 6 (OVERLAPS) 1/239 variables, 7/65 constraints. Problems are: Problem set: 0 solved, 183 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/239 variables, 0/65 constraints. Problems are: Problem set: 0 solved, 183 unsolved
At refinement iteration 8 (OVERLAPS) 186/425 variables, 239/304 constraints. Problems are: Problem set: 0 solved, 183 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/425 variables, 6/310 constraints. Problems are: Problem set: 0 solved, 183 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/425 variables, 183/493 constraints. Problems are: Problem set: 0 solved, 183 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 18:58:28] [INFO ] Deduced a trap composed of 15 places in 167 ms of which 15 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 18:58:40] [INFO ] Deduced a trap composed of 3 places in 50 ms of which 3 ms to minimize.
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 425/426 variables, and 495 constraints, problems are : Problem set: 0 solved, 183 unsolved in 30011 ms.
Refiners :[Positive P Invariants (semi-flows): 36/36 constraints, Generalized P Invariants (flows): 24/24 constraints, State Equation: 239/240 constraints, ReadFeed: 6/6 constraints, PredecessorRefiner: 183/183 constraints, Known Traps: 7/7 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 60089ms problems are : Problem set: 0 solved, 183 unsolved
Search for dead transitions found 0 dead transitions in 60090ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 60923 ms. Remains : 240/240 places, 186/186 transitions.
Attempting over-approximation, by ignoring read arcs.
Partial Free-agglomeration rule applied 1 times.
Drop transitions (Partial Free agglomeration) removed 1 transitions
Iterating global reduction 0 with 1 rules applied. Total rules applied 1 place count 240 transition count 186
Applied a total of 1 rules in 14 ms. Remains 240 /240 variables (removed 0) and now considering 186/186 (removed 0) transitions.
Running SMT prover for 4 properties.
// Phase 1: matrix 186 rows 240 cols
[2025-05-31 18:58:40] [INFO ] Computed 60 invariants in 2 ms
Starting Z3 with timeout 450.0 s and query timeout 45000.0 ms
[2025-05-31 18:58:40] [INFO ] After 78ms SMT Verify possible using all constraints in real domain returned unsat :0 sat :0 real:4
Starting Z3 with timeout 450.0 s and query timeout 45000.0 ms
[2025-05-31 18:58:40] [INFO ] [Nat]Absence check using 36 positive place invariants in 10 ms returned sat
[2025-05-31 18:58:40] [INFO ] [Nat]Absence check using 36 positive and 24 generalized place invariants in 18 ms returned sat
[2025-05-31 18:58:40] [INFO ] After 277ms SMT Verify possible using state equation in natural domain returned unsat :0 sat :4
TRAPS : Iteration 0
[2025-05-31 18:58:40] [INFO ] After 442ms SMT Verify possible using trap constraints in natural domain returned unsat :0 sat :4
[2025-05-31 18:58:40] [INFO ] After 693ms SMT Verify possible using all constraints in natural domain returned unsat :0 sat :4
Over-approximation ignoring read arcs solved 0 properties in 795 ms.
Knowledge obtained : [(AND (NOT p3) (NOT p2) (NOT p1) p0), (X (NOT p2)), (X (NOT (AND p1 p2))), (X (NOT p1)), (X (X (NOT p2))), (X (X (NOT (AND (NOT p2) (NOT p0))))), (X (X (NOT (AND p1 p2 (NOT p0))))), (X (X (NOT (AND p1 (NOT p0))))), (X (X p0)), (X (X (NOT p1))), (F (OR (G p3) (G (NOT p3)))), (F (OR (G p1) (G (NOT p1))))]
False Knowledge obtained : [(F (NOT (OR (NOT p1) (NOT p2) p3))), (F (NOT (OR (NOT p1) p2))), (F (NOT (AND (NOT p2) (NOT p3)))), (F p2), (F p3), (F (NOT (OR (NOT p1) (NOT p2)))), (F p1)]
Knowledge based reduction with 12 factoid took 792 ms. Reduced automaton from 7 states, 13 edges and 4 AP (stutter sensitive) to 7 states, 13 edges and 4 AP (stutter sensitive).
Stuttering acceptance computed with spot in 384 ms :[(AND (NOT p0) (NOT p2) (NOT p3)), (AND (NOT p0) (NOT p2)), (AND p1 (NOT p0) (NOT p2)), (AND (NOT p0) (NOT p2)), (AND p1 (NOT p0) (NOT p2)), (NOT p2), (AND (NOT p2) p1)]
Stuttering acceptance computed with spot in 384 ms :[(AND (NOT p0) (NOT p2) (NOT p3)), (AND (NOT p0) (NOT p2)), (AND p1 (NOT p0) (NOT p2)), (AND (NOT p0) (NOT p2)), (AND p1 (NOT p0) (NOT p2)), (NOT p2), (AND (NOT p2) p1)]
Support contains 7 out of 353 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 353/353 places, 293/293 transitions.
Applied a total of 0 rules in 10 ms. Remains 353 /353 variables (removed 0) and now considering 293/293 (removed 0) transitions.
// Phase 1: matrix 293 rows 353 cols
[2025-05-31 18:58:42] [INFO ] Computed 62 invariants in 6 ms
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-05-31 18:58:42] [INFO ] Implicit Places using invariants in 509 ms returned []
[2025-05-31 18:58:42] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-05-31 18:58:44] [INFO ] Implicit Places using invariants and state equation in 1246 ms returned []
Implicit Place search using SMT with State Equation took 1758 ms to find 0 implicit places.
Running 292 sub problems to find dead transitions.
[2025-05-31 18:58:44] [INFO ] Invariant cache hit.
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/352 variables, 15/15 constraints. Problems are: Problem set: 0 solved, 292 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/352 variables, 0/15 constraints. Problems are: Problem set: 0 solved, 292 unsolved
At refinement iteration 2 (OVERLAPS) 1/353 variables, 33/48 constraints. Problems are: Problem set: 0 solved, 292 unsolved
All remaining problems are real, not stopping.
At refinement iteration 3 (INCLUDED_ONLY) 0/353 variables, 14/62 constraints. Problems are: Problem set: 0 solved, 292 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/353 variables, 0/62 constraints. Problems are: Problem set: 0 solved, 292 unsolved
At refinement iteration 5 (OVERLAPS) 293/646 variables, 353/415 constraints. Problems are: Problem set: 0 solved, 292 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 18:59:00] [INFO ] Deduced a trap composed of 10 places in 203 ms of which 18 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 18:59:00] [INFO ] Deduced a trap composed of 15 places in 201 ms of which 21 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 18:59:00] [INFO ] Deduced a trap composed of 29 places in 138 ms of which 17 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 18:59:01] [INFO ] Deduced a trap composed of 12 places in 226 ms of which 19 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 18:59:01] [INFO ] Deduced a trap composed of 13 places in 225 ms of which 20 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 18:59:01] [INFO ] Deduced a trap composed of 17 places in 192 ms of which 20 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 18:59:01] [INFO ] Deduced a trap composed of 18 places in 158 ms of which 12 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 18:59:02] [INFO ] Deduced a trap composed of 22 places in 196 ms of which 26 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 18:59:02] [INFO ] Deduced a trap composed of 23 places in 161 ms of which 17 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 18:59:02] [INFO ] Deduced a trap composed of 30 places in 145 ms of which 8 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 18:59:02] [INFO ] Deduced a trap composed of 23 places in 175 ms of which 22 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 18:59:03] [INFO ] Deduced a trap composed of 17 places in 165 ms of which 17 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 18:59:03] [INFO ] Deduced a trap composed of 17 places in 165 ms of which 16 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 18:59:03] [INFO ] Deduced a trap composed of 18 places in 143 ms of which 13 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 18:59:03] [INFO ] Deduced a trap composed of 18 places in 112 ms of which 10 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 18:59:03] [INFO ] Deduced a trap composed of 15 places in 81 ms of which 7 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 18:59:04] [INFO ] Deduced a trap composed of 16 places in 71 ms of which 7 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 18:59:04] [INFO ] Deduced a trap composed of 8 places in 262 ms of which 19 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 18:59:05] [INFO ] Deduced a trap composed of 14 places in 214 ms of which 18 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 18:59:05] [INFO ] Deduced a trap composed of 18 places in 162 ms of which 21 ms to minimize.
At refinement iteration 6 (INCLUDED_ONLY) 0/646 variables, 20/435 constraints. Problems are: Problem set: 0 solved, 292 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 18:59:07] [INFO ] Deduced a trap composed of 14 places in 63 ms of which 6 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 18:59:08] [INFO ] Deduced a trap composed of 18 places in 81 ms of which 10 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 18:59:08] [INFO ] Deduced a trap composed of 17 places in 80 ms of which 12 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 18:59:08] [INFO ] Deduced a trap composed of 19 places in 87 ms of which 11 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 18:59:08] [INFO ] Deduced a trap composed of 18 places in 76 ms of which 11 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 18:59:08] [INFO ] Deduced a trap composed of 20 places in 91 ms of which 12 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 18:59:08] [INFO ] Deduced a trap composed of 19 places in 74 ms of which 11 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 18:59:08] [INFO ] Deduced a trap composed of 21 places in 74 ms of which 7 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 18:59:08] [INFO ] Deduced a trap composed of 20 places in 70 ms of which 12 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 18:59:08] [INFO ] Deduced a trap composed of 22 places in 73 ms of which 10 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 18:59:09] [INFO ] Deduced a trap composed of 21 places in 74 ms of which 12 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 18:59:09] [INFO ] Deduced a trap composed of 23 places in 67 ms of which 7 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 18:59:11] [INFO ] Deduced a trap composed of 9 places in 83 ms of which 11 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 18:59:12] [INFO ] Deduced a trap composed of 10 places in 65 ms of which 7 ms to minimize.
Solver is answering 'unknown', stopping.
After SMT solving in domain Real declared 646/646 variables, and 449 constraints, problems are : Problem set: 0 solved, 292 unsolved in 30015 ms.
Refiners :[Positive P Invariants (semi-flows): 33/33 constraints, Generalized P Invariants (flows): 29/29 constraints, State Equation: 353/353 constraints, PredecessorRefiner: 292/292 constraints, Known Traps: 34/34 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 292 unsolved
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/352 variables, 15/15 constraints. Problems are: Problem set: 0 solved, 292 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/352 variables, 0/15 constraints. Problems are: Problem set: 0 solved, 292 unsolved
At refinement iteration 2 (OVERLAPS) 1/353 variables, 33/48 constraints. Problems are: Problem set: 0 solved, 292 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/353 variables, 14/62 constraints. Problems are: Problem set: 0 solved, 292 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/353 variables, 34/96 constraints. Problems are: Problem set: 0 solved, 292 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 18:59:19] [INFO ] Deduced a trap composed of 13 places in 154 ms of which 14 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 18:59:19] [INFO ] Deduced a trap composed of 16 places in 141 ms of which 10 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 18:59:19] [INFO ] Deduced a trap composed of 21 places in 126 ms of which 10 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 18:59:20] [INFO ] Deduced a trap composed of 10 places in 149 ms of which 11 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 18:59:20] [INFO ] Deduced a trap composed of 11 places in 126 ms of which 10 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 18:59:20] [INFO ] Deduced a trap composed of 13 places in 52 ms of which 5 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 18:59:20] [INFO ] Deduced a trap composed of 14 places in 54 ms of which 7 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 18:59:21] [INFO ] Deduced a trap composed of 11 places in 51 ms of which 5 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 18:59:21] [INFO ] Deduced a trap composed of 14 places in 41 ms of which 3 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 18:59:23] [INFO ] Deduced a trap composed of 22 places in 139 ms of which 15 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 18:59:23] [INFO ] Deduced a trap composed of 29 places in 118 ms of which 11 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 18:59:23] [INFO ] Deduced a trap composed of 32 places in 140 ms of which 11 ms to minimize.
At refinement iteration 5 (INCLUDED_ONLY) 0/353 variables, 12/108 constraints. Problems are: Problem set: 0 solved, 292 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 18:59:24] [INFO ] Deduced a trap composed of 19 places in 159 ms of which 13 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 18:59:24] [INFO ] Deduced a trap composed of 25 places in 105 ms of which 8 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 18:59:25] [INFO ] Deduced a trap composed of 19 places in 70 ms of which 7 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 18:59:25] [INFO ] Deduced a trap composed of 20 places in 72 ms of which 7 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 18:59:25] [INFO ] Deduced a trap composed of 24 places in 64 ms of which 5 ms to minimize.
At refinement iteration 6 (INCLUDED_ONLY) 0/353 variables, 5/113 constraints. Problems are: Problem set: 0 solved, 292 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 18:59:29] [INFO ] Deduced a trap composed of 7 places in 120 ms of which 7 ms to minimize.
At refinement iteration 7 (INCLUDED_ONLY) 0/353 variables, 1/114 constraints. Problems are: Problem set: 0 solved, 292 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 18:59:33] [INFO ] Deduced a trap composed of 18 places in 70 ms of which 7 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 18:59:33] [INFO ] Deduced a trap composed of 19 places in 76 ms of which 8 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 18:59:34] [INFO ] Deduced a trap composed of 21 places in 60 ms of which 7 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 18:59:34] [INFO ] Deduced a trap composed of 22 places in 64 ms of which 6 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 18:59:34] [INFO ] Deduced a trap composed of 23 places in 56 ms of which 4 ms to minimize.
At refinement iteration 8 (INCLUDED_ONLY) 0/353 variables, 5/119 constraints. Problems are: Problem set: 0 solved, 292 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 18:59:39] [INFO ] Deduced a trap composed of 12 places in 102 ms of which 11 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 18:59:39] [INFO ] Deduced a trap composed of 13 places in 103 ms of which 10 ms to minimize.
At refinement iteration 9 (INCLUDED_ONLY) 0/353 variables, 2/121 constraints. Problems are: Problem set: 0 solved, 292 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 18:59:42] [INFO ] Deduced a trap composed of 21 places in 58 ms of which 7 ms to minimize.
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 353/646 variables, and 122 constraints, problems are : Problem set: 0 solved, 292 unsolved in 30014 ms.
Refiners :[Positive P Invariants (semi-flows): 33/33 constraints, Generalized P Invariants (flows): 29/29 constraints, State Equation: 0/353 constraints, PredecessorRefiner: 0/292 constraints, Known Traps: 60/60 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 60071ms problems are : Problem set: 0 solved, 292 unsolved
Search for dead transitions found 0 dead transitions in 60073ms
Finished structural reductions in LTL mode , in 1 iterations and 61842 ms. Remains : 353/353 places, 293/293 transitions.
Computed a total of 176 stabilizing places and 168 stable transitions
Graph (complete) has 766 edges and 353 vertex of which 347 are kept as prefixes of interest. Removing 6 places using SCC suffix rule.2 ms
Computed a total of 176 stabilizing places and 168 stable transitions
Detected a total of 176/353 stabilizing places and 168/293 transitions leading to convergence knowledge of the form 'F(Gp|G!p)' for 2/4 atomic propositions.
Knowledge obtained : [(AND (NOT p2) (NOT p3) (NOT p1) p0), (X (NOT p2)), (X (NOT (AND p1 p2))), (X (NOT p1)), (X (X (NOT p2))), (X (X (NOT (AND (NOT p2) (NOT p0))))), (X (X (NOT (AND p1 p2 (NOT p0))))), (X (X (NOT (AND p1 (NOT p0))))), (X (X p0)), (X (X (NOT p1))), (F (OR (G p3) (G (NOT p3)))), (F (OR (G p1) (G (NOT p1))))]
False Knowledge obtained : []
Knowledge based reduction with 12 factoid took 255 ms. Reduced automaton from 7 states, 13 edges and 4 AP (stutter sensitive) to 7 states, 13 edges and 4 AP (stutter sensitive).
Stuttering acceptance computed with spot in 326 ms :[(AND (NOT p0) (NOT p2) (NOT p3)), (AND (NOT p0) (NOT p2)), (AND p1 (NOT p0) (NOT p2)), (AND (NOT p0) (NOT p2)), (AND p1 (NOT p0) (NOT p2)), (NOT p2), (AND (NOT p2) p1)]
RANDOM walk for 40000 steps (347 resets) in 296 ms. (134 steps per ms) remains 8/11 properties
BEST_FIRST walk for 40003 steps (58 resets) in 140 ms. (283 steps per ms) remains 8/8 properties
BEST_FIRST walk for 40002 steps (60 resets) in 113 ms. (350 steps per ms) remains 8/8 properties
BEST_FIRST walk for 40004 steps (65 resets) in 108 ms. (367 steps per ms) remains 6/8 properties
BEST_FIRST walk for 40003 steps (65 resets) in 107 ms. (370 steps per ms) remains 6/6 properties
BEST_FIRST walk for 40004 steps (56 resets) in 122 ms. (325 steps per ms) remains 6/6 properties
BEST_FIRST walk for 40003 steps (64 resets) in 90 ms. (439 steps per ms) remains 6/6 properties
[2025-05-31 18:59:45] [INFO ] Invariant cache hit.
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) 0/7 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 1 (OVERLAPS) 16/23 variables, 3/3 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/23 variables, 0/3 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 3 (OVERLAPS) 143/166 variables, 30/33 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/166 variables, 0/33 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 5 (OVERLAPS) 168/334 variables, 27/60 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/334 variables, 0/60 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 7 (OVERLAPS) 4/338 variables, 2/62 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/338 variables, 0/62 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 9 (OVERLAPS) 280/618 variables, 338/400 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/618 variables, 0/400 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 11 (OVERLAPS) 18/636 variables, 10/410 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 12 (INCLUDED_ONLY) 0/636 variables, 0/410 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 13 (OVERLAPS) 6/642 variables, 3/413 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 14 (INCLUDED_ONLY) 0/642 variables, 0/413 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 15 (OVERLAPS) 2/644 variables, 1/414 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 16 (INCLUDED_ONLY) 0/644 variables, 0/414 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 17 (OVERLAPS) 2/646 variables, 1/415 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 18 (INCLUDED_ONLY) 0/646 variables, 0/415 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 19 (OVERLAPS) 0/646 variables, 0/415 constraints. Problems are: Problem set: 0 solved, 6 unsolved
No progress, stopping.
After SMT solving in domain Real declared 646/646 variables, and 415 constraints, problems are : Problem set: 0 solved, 6 unsolved in 1423 ms.
Refiners :[Positive P Invariants (semi-flows): 33/33 constraints, Generalized P Invariants (flows): 29/29 constraints, State Equation: 353/353 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 5.0 s and query timeout 500.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/7 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 1 (OVERLAPS) 16/23 variables, 3/3 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/23 variables, 0/3 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 3 (OVERLAPS) 143/166 variables, 30/33 constraints. Problems are: Problem set: 0 solved, 6 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 18:59:46] [INFO ] Deduced a trap composed of 12 places in 91 ms of which 7 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 18:59:47] [INFO ] Deduced a trap composed of 13 places in 97 ms of which 6 ms to minimize.
At refinement iteration 4 (INCLUDED_ONLY) 0/166 variables, 2/35 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/166 variables, 0/35 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 6 (OVERLAPS) 168/334 variables, 27/62 constraints. Problems are: Problem set: 0 solved, 6 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 18:59:47] [INFO ] Deduced a trap composed of 22 places in 123 ms of which 11 ms to minimize.
At refinement iteration 7 (INCLUDED_ONLY) 0/334 variables, 1/63 constraints. Problems are: Problem set: 0 solved, 6 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 18:59:47] [INFO ] Deduced a trap composed of 22 places in 141 ms of which 16 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 18:59:47] [INFO ] Deduced a trap composed of 22 places in 132 ms of which 13 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 18:59:47] [INFO ] Deduced a trap composed of 14 places in 105 ms of which 9 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 18:59:48] [INFO ] Deduced a trap composed of 15 places in 179 ms of which 19 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 18:59:48] [INFO ] Deduced a trap composed of 16 places in 172 ms of which 20 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 18:59:48] [INFO ] Deduced a trap composed of 17 places in 170 ms of which 19 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 18:59:48] [INFO ] Deduced a trap composed of 18 places in 159 ms of which 19 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 18:59:48] [INFO ] Deduced a trap composed of 19 places in 165 ms of which 20 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 18:59:48] [INFO ] Deduced a trap composed of 20 places in 150 ms of which 19 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 18:59:49] [INFO ] Deduced a trap composed of 21 places in 139 ms of which 19 ms to minimize.
At refinement iteration 8 (INCLUDED_ONLY) 0/334 variables, 10/73 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/334 variables, 0/73 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 10 (OVERLAPS) 4/338 variables, 2/75 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/338 variables, 0/75 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 12 (OVERLAPS) 280/618 variables, 338/413 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 13 (INCLUDED_ONLY) 0/618 variables, 5/418 constraints. Problems are: Problem set: 0 solved, 6 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 18:59:50] [INFO ] Deduced a trap composed of 9 places in 121 ms of which 13 ms to minimize.
At refinement iteration 14 (INCLUDED_ONLY) 0/618 variables, 1/419 constraints. Problems are: Problem set: 0 solved, 6 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 18:59:50] [INFO ] Deduced a trap along path composed of 7 places in 71 ms of which 2 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 18:59:50] [INFO ] Deduced a trap along path composed of 5 places in 58 ms of which 2 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 18:59:50] [INFO ] Deduced a trap along path composed of 13 places in 51 ms of which 1 ms to minimize.
At refinement iteration 15 (INCLUDED_ONLY) 0/618 variables, 3/422 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 16 (INCLUDED_ONLY) 0/618 variables, 0/422 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 17 (OVERLAPS) 18/636 variables, 10/432 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 18 (INCLUDED_ONLY) 0/636 variables, 1/433 constraints. Problems are: Problem set: 0 solved, 6 unsolved
Error getting values : (error "ParserException while parsing response: (timeout
org.smtlib.IParser$ParserException: Unbalanced parentheses at end of input")
Error getting values : (error "Error writing to Z3 solver: java.io.IOException: Stream closed")
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 636/646 variables, and 433 constraints, problems are : Problem set: 0 solved, 6 unsolved in 5008 ms.
Refiners :[Positive P Invariants (semi-flows): 33/33 constraints, Generalized P Invariants (flows): 29/29 constraints, State Equation: 348/353 constraints, PredecessorRefiner: 6/6 constraints, Known Traps: 14/14 constraints, Known Traps Along Path: 3/3 constraints]
After SMT, in 6439ms problems are : Problem set: 0 solved, 6 unsolved
Skipping Parikh replay, no witness traces provided.
Support contains 7 out of 353 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 353/353 places, 293/293 transitions.
Graph (complete) has 766 edges and 353 vertex of which 347 are kept as prefixes of interest. Removing 6 places using SCC suffix rule.0 ms
Discarding 6 places :
Also discarding 3 output transitions
Drop transitions (Output transitions of discarded places.) removed 3 transitions
Drop transitions (Empty/Sink Transition effects.) removed 2 transitions
Reduce isomorphic transitions removed 2 transitions.
Drop transitions (Trivial Post-Agglo cleanup.) removed 16 transitions
Trivial Post-agglo rules discarded 16 transitions
Performed 16 trivial Post agglomeration. Transition count delta: 16
Iterating post reduction 0 with 18 rules applied. Total rules applied 19 place count 347 transition count 272
Reduce places removed 16 places and 0 transitions.
Iterating post reduction 1 with 16 rules applied. Total rules applied 35 place count 331 transition count 272
Performed 10 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 2 with 10 Pre rules applied. Total rules applied 35 place count 331 transition count 262
Deduced a syphon composed of 10 places in 0 ms
Reduce places removed 10 places and 0 transitions.
Iterating global reduction 2 with 20 rules applied. Total rules applied 55 place count 321 transition count 262
Performed 74 Post agglomeration using F-continuation condition.Transition count delta: 74
Deduced a syphon composed of 74 places in 0 ms
Reduce places removed 74 places and 0 transitions.
Iterating global reduction 2 with 148 rules applied. Total rules applied 203 place count 247 transition count 188
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 2 with 4 rules applied. Total rules applied 207 place count 245 transition count 190
Free-agglomeration rule (complex) applied 1 times.
Iterating global reduction 2 with 1 rules applied. Total rules applied 208 place count 245 transition count 189
Reduce places removed 1 places and 0 transitions.
Iterating post reduction 2 with 1 rules applied. Total rules applied 209 place count 244 transition count 189
Partial Free-agglomeration rule applied 1 times.
Drop transitions (Partial Free agglomeration) removed 1 transitions
Iterating global reduction 3 with 1 rules applied. Total rules applied 210 place count 244 transition count 189
Reduce places removed 1 places and 1 transitions.
Iterating global reduction 3 with 1 rules applied. Total rules applied 211 place count 243 transition count 188
Reduce places removed 1 places and 0 transitions.
Iterating post reduction 3 with 1 rules applied. Total rules applied 212 place count 242 transition count 188
Applied a total of 212 rules in 49 ms. Remains 242 /353 variables (removed 111) and now considering 188/293 (removed 105) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 50 ms. Remains : 242/353 places, 188/293 transitions.
RANDOM walk for 40000 steps (1621 resets) in 288 ms. (138 steps per ms) remains 6/6 properties
BEST_FIRST walk for 40004 steps (322 resets) in 140 ms. (283 steps per ms) remains 6/6 properties
BEST_FIRST walk for 40002 steps (337 resets) in 147 ms. (270 steps per ms) remains 6/6 properties
BEST_FIRST walk for 40004 steps (320 resets) in 111 ms. (357 steps per ms) remains 6/6 properties
BEST_FIRST walk for 40003 steps (318 resets) in 78 ms. (506 steps per ms) remains 4/6 properties
BEST_FIRST walk for 40004 steps (340 resets) in 114 ms. (347 steps per ms) remains 4/4 properties
// Phase 1: matrix 188 rows 242 cols
[2025-05-31 18:59:52] [INFO ] Computed 60 invariants in 3 ms
[2025-05-31 18:59:52] [INFO ] State equation strengthened by 6 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) 0/6 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 1 (OVERLAPS) 9/15 variables, 4/4 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/15 variables, 0/4 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 3 (OVERLAPS) 4/19 variables, 2/6 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/19 variables, 0/6 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 5 (OVERLAPS) 119/138 variables, 7/13 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/138 variables, 0/13 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 7 (OVERLAPS) 34/172 variables, 20/33 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/172 variables, 0/33 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 9 (OVERLAPS) 6/178 variables, 2/35 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/178 variables, 0/35 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 11 (OVERLAPS) 25/203 variables, 17/52 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 12 (INCLUDED_ONLY) 0/203 variables, 0/52 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 13 (OVERLAPS) 7/210 variables, 7/59 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 14 (INCLUDED_ONLY) 0/210 variables, 0/59 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 15 (OVERLAPS) 159/369 variables, 210/269 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 16 (INCLUDED_ONLY) 0/369 variables, 6/275 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 17 (INCLUDED_ONLY) 0/369 variables, 0/275 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 18 (OVERLAPS) 32/401 variables, 3/278 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 19 (INCLUDED_ONLY) 0/401 variables, 1/279 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 20 (INCLUDED_ONLY) 0/401 variables, 0/279 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 21 (OVERLAPS) 29/430 variables, 29/308 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 22 (INCLUDED_ONLY) 0/430 variables, 0/308 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 23 (OVERLAPS) 0/430 variables, 0/308 constraints. Problems are: Problem set: 0 solved, 4 unsolved
No progress, stopping.
After SMT solving in domain Real declared 430/430 variables, and 308 constraints, problems are : Problem set: 0 solved, 4 unsolved in 533 ms.
Refiners :[Positive P Invariants (semi-flows): 36/36 constraints, Generalized P Invariants (flows): 24/24 constraints, State Equation: 242/242 constraints, ReadFeed: 6/6 constraints, PredecessorRefiner: 4/4 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 4 unsolved
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/6 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 1 (OVERLAPS) 9/15 variables, 4/4 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/15 variables, 0/4 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 3 (OVERLAPS) 4/19 variables, 2/6 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/19 variables, 0/6 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 5 (OVERLAPS) 119/138 variables, 7/13 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/138 variables, 0/13 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 7 (OVERLAPS) 34/172 variables, 20/33 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/172 variables, 0/33 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 9 (OVERLAPS) 6/178 variables, 2/35 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/178 variables, 0/35 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 11 (OVERLAPS) 25/203 variables, 17/52 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 12 (INCLUDED_ONLY) 0/203 variables, 0/52 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 13 (OVERLAPS) 7/210 variables, 7/59 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 14 (INCLUDED_ONLY) 0/210 variables, 0/59 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 15 (OVERLAPS) 159/369 variables, 210/269 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 16 (INCLUDED_ONLY) 0/369 variables, 6/275 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 17 (INCLUDED_ONLY) 0/369 variables, 4/279 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 18 (INCLUDED_ONLY) 0/369 variables, 0/279 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 19 (OVERLAPS) 32/401 variables, 3/282 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 20 (INCLUDED_ONLY) 0/401 variables, 1/283 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 21 (INCLUDED_ONLY) 0/401 variables, 0/283 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 22 (OVERLAPS) 29/430 variables, 29/312 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 23 (INCLUDED_ONLY) 0/430 variables, 0/312 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 24 (OVERLAPS) 0/430 variables, 0/312 constraints. Problems are: Problem set: 0 solved, 4 unsolved
No progress, stopping.
After SMT solving in domain Int declared 430/430 variables, and 312 constraints, problems are : Problem set: 0 solved, 4 unsolved in 1250 ms.
Refiners :[Positive P Invariants (semi-flows): 36/36 constraints, Generalized P Invariants (flows): 24/24 constraints, State Equation: 242/242 constraints, ReadFeed: 6/6 constraints, PredecessorRefiner: 4/4 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 1791ms problems are : Problem set: 0 solved, 4 unsolved
Fused 4 Parikh solutions to 2 different solutions.
Parikh walk visited 0 properties in 4586 ms.
Support contains 6 out of 242 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 242/242 places, 188/188 transitions.
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 2 place count 241 transition count 187
Reduce places removed 1 places and 1 transitions.
Iterating global reduction 0 with 1 rules applied. Total rules applied 3 place count 240 transition count 186
Applied a total of 3 rules in 14 ms. Remains 240 /242 variables (removed 2) and now considering 186/188 (removed 2) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 14 ms. Remains : 240/242 places, 186/188 transitions.
RANDOM walk for 40000 steps (1714 resets) in 131 ms. (303 steps per ms) remains 4/4 properties
BEST_FIRST walk for 40003 steps (362 resets) in 68 ms. (579 steps per ms) remains 4/4 properties
BEST_FIRST walk for 40004 steps (318 resets) in 59 ms. (666 steps per ms) remains 4/4 properties
BEST_FIRST walk for 40004 steps (349 resets) in 56 ms. (701 steps per ms) remains 4/4 properties
BEST_FIRST walk for 40003 steps (327 resets) in 55 ms. (714 steps per ms) remains 4/4 properties
Interrupted probabilistic random walk after 447272 steps, run timeout after 3001 ms. (steps per millisecond=149 ) properties seen :0 out of 4
Probabilistic random walk after 447272 steps, saw 98751 distinct states, run finished after 3001 ms. (steps per millisecond=149 ) properties seen :0
// Phase 1: matrix 186 rows 240 cols
[2025-05-31 19:00:01] [INFO ] Computed 60 invariants in 3 ms
[2025-05-31 19:00:01] [INFO ] State equation strengthened by 6 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) 0/6 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 1 (OVERLAPS) 9/15 variables, 4/4 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/15 variables, 0/4 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 3 (OVERLAPS) 4/19 variables, 2/6 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/19 variables, 0/6 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 5 (OVERLAPS) 119/138 variables, 7/13 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/138 variables, 0/13 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 7 (OVERLAPS) 32/170 variables, 20/33 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/170 variables, 0/33 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 9 (OVERLAPS) 25/195 variables, 17/50 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/195 variables, 0/50 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 11 (OVERLAPS) 7/202 variables, 7/57 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 12 (INCLUDED_ONLY) 0/202 variables, 0/57 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 13 (OVERLAPS) 154/356 variables, 202/259 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 14 (INCLUDED_ONLY) 0/356 variables, 6/265 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 15 (INCLUDED_ONLY) 0/356 variables, 0/265 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 16 (OVERLAPS) 9/365 variables, 6/271 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 17 (INCLUDED_ONLY) 0/365 variables, 2/273 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 18 (INCLUDED_ONLY) 0/365 variables, 0/273 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 19 (OVERLAPS) 32/397 variables, 3/276 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 20 (INCLUDED_ONLY) 0/397 variables, 1/277 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 21 (INCLUDED_ONLY) 0/397 variables, 0/277 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 22 (OVERLAPS) 29/426 variables, 29/306 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 23 (INCLUDED_ONLY) 0/426 variables, 0/306 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 24 (OVERLAPS) 0/426 variables, 0/306 constraints. Problems are: Problem set: 0 solved, 4 unsolved
No progress, stopping.
After SMT solving in domain Real declared 426/426 variables, and 306 constraints, problems are : Problem set: 0 solved, 4 unsolved in 639 ms.
Refiners :[Positive P Invariants (semi-flows): 36/36 constraints, Generalized P Invariants (flows): 24/24 constraints, State Equation: 240/240 constraints, ReadFeed: 6/6 constraints, PredecessorRefiner: 4/4 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 4 unsolved
Starting Z3 with timeout 75.0 s and query timeout 7500.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/6 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 1 (OVERLAPS) 9/15 variables, 4/4 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/15 variables, 0/4 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 3 (OVERLAPS) 4/19 variables, 2/6 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/19 variables, 0/6 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 5 (OVERLAPS) 119/138 variables, 7/13 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/138 variables, 0/13 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 7 (OVERLAPS) 32/170 variables, 20/33 constraints. Problems are: Problem set: 0 solved, 4 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 19:00:02] [INFO ] Deduced a trap composed of 14 places in 93 ms of which 9 ms to minimize.
At refinement iteration 8 (INCLUDED_ONLY) 0/170 variables, 1/34 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/170 variables, 0/34 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 10 (OVERLAPS) 25/195 variables, 17/51 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/195 variables, 0/51 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 12 (OVERLAPS) 7/202 variables, 7/58 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 13 (INCLUDED_ONLY) 0/202 variables, 0/58 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 14 (OVERLAPS) 154/356 variables, 202/260 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 15 (INCLUDED_ONLY) 0/356 variables, 6/266 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 16 (INCLUDED_ONLY) 0/356 variables, 4/270 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 17 (INCLUDED_ONLY) 0/356 variables, 0/270 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 18 (OVERLAPS) 9/365 variables, 6/276 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 19 (INCLUDED_ONLY) 0/365 variables, 2/278 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 20 (INCLUDED_ONLY) 0/365 variables, 0/278 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 21 (OVERLAPS) 32/397 variables, 3/281 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 22 (INCLUDED_ONLY) 0/397 variables, 1/282 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 23 (INCLUDED_ONLY) 0/397 variables, 0/282 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 24 (OVERLAPS) 29/426 variables, 29/311 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 25 (INCLUDED_ONLY) 0/426 variables, 0/311 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 26 (OVERLAPS) 0/426 variables, 0/311 constraints. Problems are: Problem set: 0 solved, 4 unsolved
No progress, stopping.
After SMT solving in domain Int declared 426/426 variables, and 311 constraints, problems are : Problem set: 0 solved, 4 unsolved in 2003 ms.
Refiners :[Positive P Invariants (semi-flows): 36/36 constraints, Generalized P Invariants (flows): 24/24 constraints, State Equation: 240/240 constraints, ReadFeed: 6/6 constraints, PredecessorRefiner: 4/4 constraints, Known Traps: 1/1 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 2656ms problems are : Problem set: 0 solved, 4 unsolved
Fused 4 Parikh solutions to 2 different solutions.
Parikh walk visited 0 properties in 4432 ms.
Support contains 6 out of 240 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 240/240 places, 186/186 transitions.
Applied a total of 0 rules in 5 ms. Remains 240 /240 variables (removed 0) and now considering 186/186 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 5 ms. Remains : 240/240 places, 186/186 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 240/240 places, 186/186 transitions.
Applied a total of 0 rules in 4 ms. Remains 240 /240 variables (removed 0) and now considering 186/186 (removed 0) transitions.
[2025-05-31 19:00:08] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-05-31 19:00:08] [INFO ] Implicit Places using invariants in 248 ms returned []
[2025-05-31 19:00:08] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-05-31 19:00:09] [INFO ] State equation strengthened by 6 read => feed constraints.
[2025-05-31 19:00:09] [INFO ] Implicit Places using invariants and state equation in 620 ms returned []
Implicit Place search using SMT with State Equation took 870 ms to find 0 implicit places.
Starting Z3 with timeout 200.0 s and query timeout 20000.0 ms
[2025-05-31 19:00:09] [INFO ] Redundant transitions in 1 ms returned []
Running 183 sub problems to find dead transitions.
[2025-05-31 19:00:09] [INFO ] Invariant cache hit.
[2025-05-31 19:00:09] [INFO ] State equation strengthened by 6 read => feed constraints.
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/237 variables, 33/33 constraints. Problems are: Problem set: 0 solved, 183 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/237 variables, 17/50 constraints. Problems are: Problem set: 0 solved, 183 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/237 variables, 0/50 constraints. Problems are: Problem set: 0 solved, 183 unsolved
At refinement iteration 3 (OVERLAPS) 1/238 variables, 3/53 constraints. Problems are: Problem set: 0 solved, 183 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/238 variables, 0/53 constraints. Problems are: Problem set: 0 solved, 183 unsolved
At refinement iteration 5 (OVERLAPS) 1/239 variables, 7/60 constraints. Problems are: Problem set: 0 solved, 183 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/239 variables, 0/60 constraints. Problems are: Problem set: 0 solved, 183 unsolved
At refinement iteration 7 (OVERLAPS) 186/425 variables, 239/299 constraints. Problems are: Problem set: 0 solved, 183 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/425 variables, 6/305 constraints. Problems are: Problem set: 0 solved, 183 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 19:00:23] [INFO ] Deduced a trap composed of 13 places in 157 ms of which 13 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 19:00:23] [INFO ] Deduced a trap composed of 15 places in 154 ms of which 13 ms to minimize.
At refinement iteration 9 (INCLUDED_ONLY) 0/425 variables, 2/307 constraints. Problems are: Problem set: 0 solved, 183 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/425 variables, 0/307 constraints. Problems are: Problem set: 0 solved, 183 unsolved
At refinement iteration 11 (OVERLAPS) 1/426 variables, 1/308 constraints. Problems are: Problem set: 0 solved, 183 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 19:00:31] [INFO ] Deduced a trap composed of 3 places in 70 ms of which 6 ms to minimize.
At refinement iteration 12 (INCLUDED_ONLY) 0/426 variables, 1/309 constraints. Problems are: Problem set: 0 solved, 183 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 19:00:34] [INFO ] Deduced a trap composed of 18 places in 104 ms of which 9 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 19:00:35] [INFO ] Deduced a trap composed of 5 places in 52 ms of which 3 ms to minimize.
At refinement iteration 13 (INCLUDED_ONLY) 0/426 variables, 2/311 constraints. Problems are: Problem set: 0 solved, 183 unsolved
Error getting values : (error "ParserException while parsing response: (timeout
org.smtlib.IParser$ParserException: Unbalanced parentheses at end of input")
Error getting values : (error "Error writing to Z3 solver: java.io.IOException: Stream closed")
Solver is answering 'unknown', stopping.
After SMT solving in domain Real declared 426/426 variables, and 311 constraints, problems are : Problem set: 0 solved, 183 unsolved in 30016 ms.
Refiners :[Positive P Invariants (semi-flows): 36/36 constraints, Generalized P Invariants (flows): 24/24 constraints, State Equation: 240/240 constraints, ReadFeed: 6/6 constraints, PredecessorRefiner: 183/183 constraints, Known Traps: 5/5 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 183 unsolved
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/237 variables, 33/33 constraints. Problems are: Problem set: 0 solved, 183 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/237 variables, 17/50 constraints. Problems are: Problem set: 0 solved, 183 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/237 variables, 5/55 constraints. Problems are: Problem set: 0 solved, 183 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/237 variables, 0/55 constraints. Problems are: Problem set: 0 solved, 183 unsolved
At refinement iteration 4 (OVERLAPS) 1/238 variables, 3/58 constraints. Problems are: Problem set: 0 solved, 183 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/238 variables, 0/58 constraints. Problems are: Problem set: 0 solved, 183 unsolved
At refinement iteration 6 (OVERLAPS) 1/239 variables, 7/65 constraints. Problems are: Problem set: 0 solved, 183 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/239 variables, 0/65 constraints. Problems are: Problem set: 0 solved, 183 unsolved
At refinement iteration 8 (OVERLAPS) 186/425 variables, 239/304 constraints. Problems are: Problem set: 0 solved, 183 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/425 variables, 6/310 constraints. Problems are: Problem set: 0 solved, 183 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/425 variables, 183/493 constraints. Problems are: Problem set: 0 solved, 183 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 19:00:58] [INFO ] Deduced a trap composed of 15 places in 131 ms of which 15 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 19:01:09] [INFO ] Deduced a trap composed of 3 places in 47 ms of which 3 ms to minimize.
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 425/426 variables, and 495 constraints, problems are : Problem set: 0 solved, 183 unsolved in 30020 ms.
Refiners :[Positive P Invariants (semi-flows): 36/36 constraints, Generalized P Invariants (flows): 24/24 constraints, State Equation: 239/240 constraints, ReadFeed: 6/6 constraints, PredecessorRefiner: 183/183 constraints, Known Traps: 7/7 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 60074ms problems are : Problem set: 0 solved, 183 unsolved
Search for dead transitions found 0 dead transitions in 60075ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 60955 ms. Remains : 240/240 places, 186/186 transitions.
Attempting over-approximation, by ignoring read arcs.
Partial Free-agglomeration rule applied 1 times.
Drop transitions (Partial Free agglomeration) removed 1 transitions
Iterating global reduction 0 with 1 rules applied. Total rules applied 1 place count 240 transition count 186
Applied a total of 1 rules in 15 ms. Remains 240 /240 variables (removed 0) and now considering 186/186 (removed 0) transitions.
Running SMT prover for 4 properties.
// Phase 1: matrix 186 rows 240 cols
[2025-05-31 19:01:09] [INFO ] Computed 60 invariants in 4 ms
Starting Z3 with timeout 450.0 s and query timeout 45000.0 ms
[2025-05-31 19:01:09] [INFO ] After 108ms SMT Verify possible using all constraints in real domain returned unsat :0 sat :0 real:4
Starting Z3 with timeout 450.0 s and query timeout 45000.0 ms
[2025-05-31 19:01:09] [INFO ] [Nat]Absence check using 36 positive place invariants in 15 ms returned sat
[2025-05-31 19:01:09] [INFO ] [Nat]Absence check using 36 positive and 24 generalized place invariants in 27 ms returned sat
[2025-05-31 19:01:10] [INFO ] After 328ms SMT Verify possible using state equation in natural domain returned unsat :0 sat :4
TRAPS : Iteration 0
[2025-05-31 19:01:10] [INFO ] After 483ms SMT Verify possible using trap constraints in natural domain returned unsat :0 sat :4
[2025-05-31 19:01:10] [INFO ] After 758ms SMT Verify possible using all constraints in natural domain returned unsat :0 sat :4
Over-approximation ignoring read arcs solved 0 properties in 892 ms.
Knowledge obtained : [(AND (NOT p2) (NOT p3) (NOT p1) p0), (X (NOT p2)), (X (NOT (AND p1 p2))), (X (NOT p1)), (X (X (NOT p2))), (X (X (NOT (AND (NOT p2) (NOT p0))))), (X (X (NOT (AND p1 p2 (NOT p0))))), (X (X (NOT (AND p1 (NOT p0))))), (X (X p0)), (X (X (NOT p1))), (F (OR (G p3) (G (NOT p3)))), (F (OR (G p1) (G (NOT p1))))]
False Knowledge obtained : [(F (NOT (OR (NOT p1) (NOT p2) p3))), (F (NOT (OR (NOT p1) p2))), (F (NOT (AND (NOT p2) (NOT p3)))), (F p2), (F p3), (F (NOT (OR (NOT p1) (NOT p2)))), (F p1)]
Knowledge based reduction with 12 factoid took 728 ms. Reduced automaton from 7 states, 13 edges and 4 AP (stutter sensitive) to 7 states, 13 edges and 4 AP (stutter sensitive).
Stuttering acceptance computed with spot in 347 ms :[(AND (NOT p0) (NOT p2) (NOT p3)), (AND (NOT p0) (NOT p2)), (AND p1 (NOT p0) (NOT p2)), (AND (NOT p0) (NOT p2)), (AND p1 (NOT p0) (NOT p2)), (NOT p2), (AND (NOT p2) p1)]
Stuttering acceptance computed with spot in 382 ms :[(AND (NOT p0) (NOT p2) (NOT p3)), (AND (NOT p0) (NOT p2)), (AND p1 (NOT p0) (NOT p2)), (AND (NOT p0) (NOT p2)), (AND p1 (NOT p0) (NOT p2)), (NOT p2), (AND (NOT p2) p1)]
Stuttering acceptance computed with spot in 380 ms :[(AND (NOT p0) (NOT p2) (NOT p3)), (AND (NOT p0) (NOT p2)), (AND p1 (NOT p0) (NOT p2)), (AND (NOT p0) (NOT p2)), (AND p1 (NOT p0) (NOT p2)), (NOT p2), (AND (NOT p2) p1)]
Product exploration explored 100000 steps with 24944 reset in 217 ms.
Product exploration explored 100000 steps with 25081 reset in 245 ms.
Applying partial POR strategy [false, false, false, true, true, true, true]
Stuttering acceptance computed with spot in 373 ms :[(AND (NOT p0) (NOT p2) (NOT p3)), (AND (NOT p0) (NOT p2)), (AND p1 (NOT p0) (NOT p2)), (AND (NOT p0) (NOT p2)), (AND p1 (NOT p0) (NOT p2)), (NOT p2), (AND (NOT p2) p1)]
Support contains 7 out of 353 places. Attempting structural reductions.
Starting structural reductions in SI_LTL mode, iteration 0 : 353/353 places, 293/293 transitions.
Graph (complete) has 766 edges and 353 vertex of which 347 are kept as prefixes of interest. Removing 6 places using SCC suffix rule.1 ms
Discarding 6 places :
Also discarding 3 output transitions
Drop transitions (Output transitions of discarded places.) removed 3 transitions
Performed 14 Post agglomeration using F-continuation condition.Transition count delta: 0
Iterating post reduction 0 with 14 rules applied. Total rules applied 15 place count 347 transition count 290
Performed 7 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 1 with 7 Pre rules applied. Total rules applied 15 place count 347 transition count 291
Deduced a syphon composed of 21 places in 0 ms
Iterating global reduction 1 with 7 rules applied. Total rules applied 22 place count 347 transition count 291
Discarding 5 places :
Symmetric choice reduction at 1 with 5 rule applications. Total rules 27 place count 342 transition count 286
Deduced a syphon composed of 16 places in 0 ms
Iterating global reduction 1 with 5 rules applied. Total rules applied 32 place count 342 transition count 286
Performed 75 Post agglomeration using F-continuation condition.Transition count delta: -3
Deduced a syphon composed of 91 places in 0 ms
Iterating global reduction 1 with 75 rules applied. Total rules applied 107 place count 342 transition count 289
Discarding 10 places :
Symmetric choice reduction at 1 with 10 rule applications. Total rules 117 place count 332 transition count 279
Deduced a syphon composed of 81 places in 0 ms
Iterating global reduction 1 with 10 rules applied. Total rules applied 127 place count 332 transition count 279
Performed 6 Post agglomeration using F-continuation condition.Transition count delta: -28
Deduced a syphon composed of 87 places in 0 ms
Iterating global reduction 1 with 6 rules applied. Total rules applied 133 place count 332 transition count 307
Discarding 2 places :
Symmetric choice reduction at 1 with 2 rule applications. Total rules 135 place count 330 transition count 301
Deduced a syphon composed of 85 places in 0 ms
Iterating global reduction 1 with 2 rules applied. Total rules applied 137 place count 330 transition count 301
Deduced a syphon composed of 85 places in 0 ms
Applied a total of 137 rules in 69 ms. Remains 330 /353 variables (removed 23) and now considering 301/293 (removed -8) transitions.
Starting Z3 with timeout 200.0 s and query timeout 20000.0 ms
[2025-05-31 19:01:13] [INFO ] Redundant transitions in 3 ms returned []
Running 300 sub problems to find dead transitions.
// Phase 1: matrix 301 rows 330 cols
[2025-05-31 19:01:13] [INFO ] Computed 59 invariants in 4 ms
[2025-05-31 19:01:13] [INFO ] State equation strengthened by 16 read => feed constraints.
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
All remaining problems are real, not stopping.
At refinement iteration 0 (INCLUDED_ONLY) 0/329 variables, 14/14 constraints. Problems are: Problem set: 0 solved, 300 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/329 variables, 0/14 constraints. Problems are: Problem set: 0 solved, 300 unsolved
At refinement iteration 2 (OVERLAPS) 1/330 variables, 33/47 constraints. Problems are: Problem set: 0 solved, 300 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/330 variables, 12/59 constraints. Problems are: Problem set: 0 solved, 300 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/330 variables, 0/59 constraints. Problems are: Problem set: 0 solved, 300 unsolved
Problem TDEAD2 is UNSAT
Problem TDEAD3 is UNSAT
Problem TDEAD4 is UNSAT
Problem TDEAD5 is UNSAT
Problem TDEAD6 is UNSAT
Problem TDEAD7 is UNSAT
Problem TDEAD8 is UNSAT
Problem TDEAD9 is UNSAT
Problem TDEAD10 is UNSAT
Problem TDEAD11 is UNSAT
Problem TDEAD12 is UNSAT
Problem TDEAD13 is UNSAT
Problem TDEAD14 is UNSAT
Problem TDEAD15 is UNSAT
Problem TDEAD16 is UNSAT
Problem TDEAD17 is UNSAT
Problem TDEAD18 is UNSAT
Problem TDEAD19 is UNSAT
Problem TDEAD20 is UNSAT
Problem TDEAD21 is UNSAT
Problem TDEAD22 is UNSAT
Problem TDEAD23 is UNSAT
Problem TDEAD24 is UNSAT
Problem TDEAD25 is UNSAT
Problem TDEAD26 is UNSAT
Problem TDEAD27 is UNSAT
Problem TDEAD28 is UNSAT
Problem TDEAD29 is UNSAT
Problem TDEAD30 is UNSAT
Problem TDEAD31 is UNSAT
Problem TDEAD32 is UNSAT
Problem TDEAD33 is UNSAT
Problem TDEAD34 is UNSAT
Problem TDEAD35 is UNSAT
Problem TDEAD36 is UNSAT
Problem TDEAD37 is UNSAT
Problem TDEAD38 is UNSAT
Problem TDEAD39 is UNSAT
Problem TDEAD40 is UNSAT
Problem TDEAD41 is UNSAT
Problem TDEAD42 is UNSAT
Problem TDEAD43 is UNSAT
Problem TDEAD44 is UNSAT
Problem TDEAD46 is UNSAT
Problem TDEAD47 is UNSAT
Problem TDEAD48 is UNSAT
Problem TDEAD49 is UNSAT
Problem TDEAD50 is UNSAT
Problem TDEAD51 is UNSAT
Problem TDEAD52 is UNSAT
Problem TDEAD131 is UNSAT
Problem TDEAD132 is UNSAT
Problem TDEAD133 is UNSAT
Problem TDEAD136 is UNSAT
Problem TDEAD137 is UNSAT
Problem TDEAD138 is UNSAT
Problem TDEAD140 is UNSAT
Problem TDEAD141 is UNSAT
Problem TDEAD143 is UNSAT
Problem TDEAD144 is UNSAT
Problem TDEAD145 is UNSAT
Problem TDEAD147 is UNSAT
Problem TDEAD148 is UNSAT
Problem TDEAD149 is UNSAT
Problem TDEAD158 is UNSAT
Problem TDEAD191 is UNSAT
Problem TDEAD192 is UNSAT
Problem TDEAD193 is UNSAT
Problem TDEAD194 is UNSAT
Problem TDEAD195 is UNSAT
Problem TDEAD196 is UNSAT
Problem TDEAD197 is UNSAT
Problem TDEAD199 is UNSAT
Problem TDEAD200 is UNSAT
Problem TDEAD201 is UNSAT
Problem TDEAD202 is UNSAT
Problem TDEAD203 is UNSAT
Problem TDEAD204 is UNSAT
Problem TDEAD205 is UNSAT
Problem TDEAD215 is UNSAT
Problem TDEAD216 is UNSAT
Problem TDEAD217 is UNSAT
Problem TDEAD218 is UNSAT
Problem TDEAD219 is UNSAT
Problem TDEAD220 is UNSAT
Problem TDEAD221 is UNSAT
Problem TDEAD222 is UNSAT
Problem TDEAD224 is UNSAT
Problem TDEAD225 is UNSAT
Problem TDEAD226 is UNSAT
Problem TDEAD227 is UNSAT
Problem TDEAD228 is UNSAT
Problem TDEAD229 is UNSAT
Problem TDEAD269 is UNSAT
Problem TDEAD270 is UNSAT
Problem TDEAD271 is UNSAT
Problem TDEAD272 is UNSAT
Problem TDEAD273 is UNSAT
Problem TDEAD274 is UNSAT
Problem TDEAD275 is UNSAT
Problem TDEAD276 is UNSAT
Problem TDEAD285 is UNSAT
Problem TDEAD286 is UNSAT
Problem TDEAD289 is UNSAT
Problem TDEAD290 is UNSAT
Problem TDEAD291 is UNSAT
Problem TDEAD295 is UNSAT
Problem TDEAD296 is UNSAT
Problem TDEAD297 is UNSAT
At refinement iteration 5 (OVERLAPS) 301/631 variables, 330/389 constraints. Problems are: Problem set: 109 solved, 191 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/631 variables, 16/405 constraints. Problems are: Problem set: 109 solved, 191 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 19:01:27] [INFO ] Deduced a trap composed of 6 places in 49 ms of which 4 ms to minimize.
At refinement iteration 7 (INCLUDED_ONLY) 0/631 variables, 1/406 constraints. Problems are: Problem set: 109 solved, 191 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/631 variables, 0/406 constraints. Problems are: Problem set: 109 solved, 191 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Real declared 631/631 variables, and 406 constraints, problems are : Problem set: 109 solved, 191 unsolved in 30015 ms.
Refiners :[Positive P Invariants (semi-flows): 33/33 constraints, Generalized P Invariants (flows): 26/26 constraints, State Equation: 330/330 constraints, ReadFeed: 16/16 constraints, PredecessorRefiner: 300/300 constraints, Known Traps: 1/1 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 109 solved, 191 unsolved
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/244 variables, 12/12 constraints. Problems are: Problem set: 109 solved, 191 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/244 variables, 0/12 constraints. Problems are: Problem set: 109 solved, 191 unsolved
At refinement iteration 2 (OVERLAPS) 67/311 variables, 33/45 constraints. Problems are: Problem set: 109 solved, 191 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/311 variables, 1/46 constraints. Problems are: Problem set: 109 solved, 191 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 19:01:45] [INFO ] Deduced a trap composed of 4 places in 53 ms of which 6 ms to minimize.
At refinement iteration 4 (INCLUDED_ONLY) 0/311 variables, 1/47 constraints. Problems are: Problem set: 109 solved, 191 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/311 variables, 0/47 constraints. Problems are: Problem set: 109 solved, 191 unsolved
At refinement iteration 6 (OVERLAPS) 12/323 variables, 14/61 constraints. Problems are: Problem set: 109 solved, 191 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 19:01:49] [INFO ] Deduced a trap composed of 4 places in 51 ms of which 5 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 19:01:49] [INFO ] Deduced a trap composed of 5 places in 62 ms of which 7 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 19:01:49] [INFO ] Deduced a trap composed of 4 places in 50 ms of which 4 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 19:01:50] [INFO ] Deduced a trap composed of 3 places in 56 ms of which 5 ms to minimize.
At refinement iteration 7 (INCLUDED_ONLY) 0/323 variables, 4/65 constraints. Problems are: Problem set: 109 solved, 191 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 19:01:51] [INFO ] Deduced a trap composed of 4 places in 47 ms of which 6 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 19:01:51] [INFO ] Deduced a trap composed of 14 places in 52 ms of which 7 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 19:01:51] [INFO ] Deduced a trap composed of 3 places in 38 ms of which 3 ms to minimize.
At refinement iteration 8 (INCLUDED_ONLY) 0/323 variables, 3/68 constraints. Problems are: Problem set: 109 solved, 191 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 19:01:52] [INFO ] Deduced a trap composed of 16 places in 41 ms of which 4 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 19:01:52] [INFO ] Deduced a trap composed of 11 places in 57 ms of which 4 ms to minimize.
At refinement iteration 9 (INCLUDED_ONLY) 0/323 variables, 2/70 constraints. Problems are: Problem set: 109 solved, 191 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/323 variables, 0/70 constraints. Problems are: Problem set: 109 solved, 191 unsolved
At refinement iteration 11 (OVERLAPS) 297/620 variables, 323/393 constraints. Problems are: Problem set: 109 solved, 191 unsolved
At refinement iteration 12 (INCLUDED_ONLY) 0/620 variables, 16/409 constraints. Problems are: Problem set: 109 solved, 191 unsolved
At refinement iteration 13 (INCLUDED_ONLY) 0/620 variables, 191/600 constraints. Problems are: Problem set: 109 solved, 191 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 620/631 variables, and 600 constraints, problems are : Problem set: 109 solved, 191 unsolved in 30013 ms.
Refiners :[Positive P Invariants (semi-flows): 33/33 constraints, Generalized P Invariants (flows): 26/26 constraints, State Equation: 323/330 constraints, ReadFeed: 16/16 constraints, PredecessorRefiner: 191/300 constraints, Known Traps: 11/11 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 60135ms problems are : Problem set: 109 solved, 191 unsolved
Search for dead transitions found 109 dead transitions in 60136ms
Found 109 dead transitions using SMT.
Drop transitions (Dead Transitions using SMT only with invariants) removed 109 transitions
Dead transitions reduction (with SMT) removed 109 transitions
Starting structural reductions in SI_LTL mode, iteration 1 : 330/353 places, 192/293 transitions.
Graph (complete) has 833 edges and 330 vertex of which 245 are kept as prefixes of interest. Removing 85 places using SCC suffix rule.1 ms
Discarding 85 places :
Also discarding 0 output transitions
Applied a total of 1 rules in 6 ms. Remains 245 /330 variables (removed 85) and now considering 192/192 (removed 0) transitions.
Starting structural reductions in SI_LTL mode, iteration 2 : 245/353 places, 192/293 transitions.
Finished structural reductions in SI_LTL mode , in 2 iterations and 60222 ms. Remains : 245/353 places, 192/293 transitions.
Built C files in :
/tmp/ltsmin14834873540230345562
[2025-05-31 19:02:13] [INFO ] Built C files in 7ms conformant to PINS (ltsmin variant)in folder :/tmp/ltsmin14834873540230345562
Running compilation step : cd /tmp/ltsmin14834873540230345562;'/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.ltsmin.binaries_1.0.0.202505121319/bin/limit_time.pl' '3' 'gcc' '-c' '-I/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.ltsmin.binaries_1.0.0.202505121319/bin/include/' '-I.' '-std=c99' '-fPIC' '-O0' 'model.c'
Compilation finished in 725 ms.
Running link step : cd /tmp/ltsmin14834873540230345562;'gcc' '-shared' '-o' 'gal.so' 'model.o'
Link finished in 34 ms.
Running LTSmin : cd /tmp/ltsmin14834873540230345562;'/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.ltsmin.binaries_1.0.0.202505121319/bin/pins2lts-mc-linux64' './gal.so' '--threads=8' '--when' '--hoa' '/tmp/stateBased9044425725494842860.hoa' '--buchi-type=spotba'
WARNING : LTS min runner thread was asked to interrupt. Dying gracefully.
Support contains 7 out of 353 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 353/353 places, 293/293 transitions.
Applied a total of 0 rules in 9 ms. Remains 353 /353 variables (removed 0) and now considering 293/293 (removed 0) transitions.
// Phase 1: matrix 293 rows 353 cols
[2025-05-31 19:02:28] [INFO ] Computed 62 invariants in 8 ms
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-05-31 19:02:29] [INFO ] Implicit Places using invariants in 323 ms returned []
[2025-05-31 19:02:29] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-05-31 19:02:29] [INFO ] Implicit Places using invariants and state equation in 897 ms returned []
Implicit Place search using SMT with State Equation took 1222 ms to find 0 implicit places.
Running 292 sub problems to find dead transitions.
[2025-05-31 19:02:29] [INFO ] Invariant cache hit.
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/352 variables, 15/15 constraints. Problems are: Problem set: 0 solved, 292 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/352 variables, 0/15 constraints. Problems are: Problem set: 0 solved, 292 unsolved
At refinement iteration 2 (OVERLAPS) 1/353 variables, 33/48 constraints. Problems are: Problem set: 0 solved, 292 unsolved
All remaining problems are real, not stopping.
At refinement iteration 3 (INCLUDED_ONLY) 0/353 variables, 14/62 constraints. Problems are: Problem set: 0 solved, 292 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/353 variables, 0/62 constraints. Problems are: Problem set: 0 solved, 292 unsolved
At refinement iteration 5 (OVERLAPS) 293/646 variables, 353/415 constraints. Problems are: Problem set: 0 solved, 292 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 19:02:40] [INFO ] Deduced a trap composed of 10 places in 127 ms of which 10 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 19:02:40] [INFO ] Deduced a trap composed of 15 places in 113 ms of which 14 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 19:02:40] [INFO ] Deduced a trap composed of 29 places in 95 ms of which 11 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 19:02:40] [INFO ] Deduced a trap composed of 12 places in 129 ms of which 12 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 19:02:40] [INFO ] Deduced a trap composed of 13 places in 131 ms of which 14 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 19:02:41] [INFO ] Deduced a trap composed of 17 places in 174 ms of which 18 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 19:02:41] [INFO ] Deduced a trap composed of 18 places in 147 ms of which 12 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 19:02:41] [INFO ] Deduced a trap composed of 22 places in 124 ms of which 17 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 19:02:41] [INFO ] Deduced a trap composed of 23 places in 107 ms of which 12 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 19:02:41] [INFO ] Deduced a trap composed of 30 places in 93 ms of which 5 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 19:02:41] [INFO ] Deduced a trap composed of 23 places in 100 ms of which 14 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 19:02:42] [INFO ] Deduced a trap composed of 17 places in 100 ms of which 11 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 19:02:42] [INFO ] Deduced a trap composed of 17 places in 112 ms of which 11 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 19:02:42] [INFO ] Deduced a trap composed of 18 places in 89 ms of which 8 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 19:02:42] [INFO ] Deduced a trap composed of 18 places in 66 ms of which 5 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 19:02:42] [INFO ] Deduced a trap composed of 15 places in 49 ms of which 4 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 19:02:42] [INFO ] Deduced a trap composed of 16 places in 49 ms of which 5 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 19:02:43] [INFO ] Deduced a trap composed of 8 places in 154 ms of which 12 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 19:02:43] [INFO ] Deduced a trap composed of 14 places in 114 ms of which 10 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 19:02:43] [INFO ] Deduced a trap composed of 18 places in 90 ms of which 13 ms to minimize.
At refinement iteration 6 (INCLUDED_ONLY) 0/646 variables, 20/435 constraints. Problems are: Problem set: 0 solved, 292 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 19:02:45] [INFO ] Deduced a trap composed of 14 places in 63 ms of which 5 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 19:02:45] [INFO ] Deduced a trap composed of 18 places in 53 ms of which 6 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 19:02:45] [INFO ] Deduced a trap composed of 17 places in 53 ms of which 8 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 19:02:45] [INFO ] Deduced a trap composed of 19 places in 55 ms of which 7 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 19:02:46] [INFO ] Deduced a trap composed of 18 places in 53 ms of which 8 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 19:02:46] [INFO ] Deduced a trap composed of 20 places in 54 ms of which 7 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 19:02:46] [INFO ] Deduced a trap composed of 19 places in 51 ms of which 8 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 19:02:46] [INFO ] Deduced a trap composed of 21 places in 50 ms of which 6 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 19:02:46] [INFO ] Deduced a trap composed of 20 places in 51 ms of which 8 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 19:02:46] [INFO ] Deduced a trap composed of 22 places in 48 ms of which 6 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 19:02:46] [INFO ] Deduced a trap composed of 21 places in 48 ms of which 8 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 19:02:46] [INFO ] Deduced a trap composed of 23 places in 44 ms of which 5 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 19:02:48] [INFO ] Deduced a trap composed of 9 places in 52 ms of which 6 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 19:02:48] [INFO ] Deduced a trap composed of 10 places in 48 ms of which 5 ms to minimize.
At refinement iteration 7 (INCLUDED_ONLY) 0/646 variables, 14/449 constraints. Problems are: Problem set: 0 solved, 292 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 19:02:51] [INFO ] Deduced a trap composed of 16 places in 90 ms of which 7 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 19:02:51] [INFO ] Deduced a trap composed of 22 places in 124 ms of which 14 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 19:02:56] [INFO ] Deduced a trap composed of 27 places in 90 ms of which 10 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 19:02:56] [INFO ] Deduced a trap composed of 28 places in 87 ms of which 10 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 19:02:56] [INFO ] Deduced a trap composed of 29 places in 127 ms of which 16 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 19:02:56] [INFO ] Deduced a trap composed of 18 places in 75 ms of which 8 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 19:02:56] [INFO ] Deduced a trap composed of 19 places in 65 ms of which 6 ms to minimize.
At refinement iteration 8 (INCLUDED_ONLY) 0/646 variables, 7/456 constraints. Problems are: Problem set: 0 solved, 292 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Real declared 646/646 variables, and 456 constraints, problems are : Problem set: 0 solved, 292 unsolved in 30017 ms.
Refiners :[Positive P Invariants (semi-flows): 33/33 constraints, Generalized P Invariants (flows): 29/29 constraints, State Equation: 353/353 constraints, PredecessorRefiner: 292/292 constraints, Known Traps: 41/41 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 292 unsolved
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/352 variables, 15/15 constraints. Problems are: Problem set: 0 solved, 292 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/352 variables, 0/15 constraints. Problems are: Problem set: 0 solved, 292 unsolved
At refinement iteration 2 (OVERLAPS) 1/353 variables, 33/48 constraints. Problems are: Problem set: 0 solved, 292 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/353 variables, 14/62 constraints. Problems are: Problem set: 0 solved, 292 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/353 variables, 41/103 constraints. Problems are: Problem set: 0 solved, 292 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 19:03:04] [INFO ] Deduced a trap composed of 25 places in 119 ms of which 9 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 19:03:05] [INFO ] Deduced a trap composed of 13 places in 160 ms of which 10 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 19:03:05] [INFO ] Deduced a trap composed of 32 places in 88 ms of which 9 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 19:03:05] [INFO ] Deduced a trap composed of 19 places in 70 ms of which 7 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 19:03:05] [INFO ] Deduced a trap composed of 20 places in 66 ms of which 7 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 19:03:05] [INFO ] Deduced a trap composed of 20 places in 105 ms of which 10 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 19:03:05] [INFO ] Deduced a trap composed of 21 places in 104 ms of which 11 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 19:03:05] [INFO ] Deduced a trap composed of 22 places in 90 ms of which 11 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 19:03:06] [INFO ] Deduced a trap composed of 23 places in 89 ms of which 10 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 19:03:06] [INFO ] Deduced a trap composed of 7 places in 239 ms of which 15 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 19:03:06] [INFO ] Deduced a trap composed of 10 places in 235 ms of which 16 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 19:03:07] [INFO ] Deduced a trap composed of 11 places in 213 ms of which 15 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 19:03:07] [INFO ] Deduced a trap composed of 13 places in 81 ms of which 8 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 19:03:07] [INFO ] Deduced a trap composed of 14 places in 79 ms of which 7 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 19:03:07] [INFO ] Deduced a trap composed of 11 places in 76 ms of which 8 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 19:03:07] [INFO ] Deduced a trap composed of 14 places in 66 ms of which 4 ms to minimize.
At refinement iteration 5 (INCLUDED_ONLY) 0/353 variables, 16/119 constraints. Problems are: Problem set: 0 solved, 292 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 19:03:10] [INFO ] Deduced a trap composed of 21 places in 125 ms of which 9 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 19:03:10] [INFO ] Deduced a trap composed of 21 places in 62 ms of which 6 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 19:03:10] [INFO ] Deduced a trap composed of 22 places in 61 ms of which 6 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 19:03:10] [INFO ] Deduced a trap composed of 23 places in 58 ms of which 7 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 19:03:10] [INFO ] Deduced a trap composed of 24 places in 53 ms of which 5 ms to minimize.
At refinement iteration 6 (INCLUDED_ONLY) 0/353 variables, 5/124 constraints. Problems are: Problem set: 0 solved, 292 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/353 variables, 0/124 constraints. Problems are: Problem set: 0 solved, 292 unsolved
At refinement iteration 8 (OVERLAPS) 293/646 variables, 353/477 constraints. Problems are: Problem set: 0 solved, 292 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/646 variables, 292/769 constraints. Problems are: Problem set: 0 solved, 292 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 646/646 variables, and 769 constraints, problems are : Problem set: 0 solved, 292 unsolved in 30018 ms.
Refiners :[Positive P Invariants (semi-flows): 33/33 constraints, Generalized P Invariants (flows): 29/29 constraints, State Equation: 353/353 constraints, PredecessorRefiner: 292/292 constraints, Known Traps: 62/62 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 60072ms problems are : Problem set: 0 solved, 292 unsolved
Search for dead transitions found 0 dead transitions in 60073ms
Finished structural reductions in LTL mode , in 1 iterations and 61305 ms. Remains : 353/353 places, 293/293 transitions.
Built C files in :
/tmp/ltsmin5647786520920785052
[2025-05-31 19:03:30] [INFO ] Built C files in 6ms conformant to PINS (ltsmin variant)in folder :/tmp/ltsmin5647786520920785052
Running compilation step : cd /tmp/ltsmin5647786520920785052;'/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.ltsmin.binaries_1.0.0.202505121319/bin/limit_time.pl' '3' 'gcc' '-c' '-I/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.ltsmin.binaries_1.0.0.202505121319/bin/include/' '-I.' '-std=c99' '-fPIC' '-O0' 'model.c'
Compilation finished in 698 ms.
Running link step : cd /tmp/ltsmin5647786520920785052;'gcc' '-shared' '-o' 'gal.so' 'model.o'
Link finished in 32 ms.
Running LTSmin : cd /tmp/ltsmin5647786520920785052;'/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.ltsmin.binaries_1.0.0.202505121319/bin/pins2lts-mc-linux64' './gal.so' '--threads=8' '--when' '--hoa' '/tmp/stateBased7812817941683650737.hoa' '--buchi-type=spotba'
WARNING : LTS min runner thread was asked to interrupt. Dying gracefully.
[2025-05-31 19:03:45] [INFO ] Flatten gal took : 23 ms
[2025-05-31 19:03:45] [INFO ] Flatten gal took : 23 ms
[2025-05-31 19:03:45] [INFO ] Time to serialize gal into /tmp/LTL14143035047143247910.gal : 4 ms
[2025-05-31 19:03:45] [INFO ] Time to serialize properties into /tmp/LTL16879303935252589242.prop : 1 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-ltl-linux64' '--gc-threshold' '2000000' '-i' '/tmp/LTL14143035047143247910.gal' '-t' 'CGAL' '-hoa' '/tmp/aut6183656488395496410.hoa' '-atoms' '/tmp/LTL16879303935252589242.prop' '-c' '-stutter-deadlock' '--gen-order' 'FOLLOW'
its-ltl command run as :
/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202505121319/bin/its-ltl-linux64 --gc-threshold 2000000 -i /tmp/L...319
Loading property file /tmp/LTL16879303935252589242.prop.
Loaded 4 atomic propositions.
Checking formula 0 provided in automaton : /tmp/aut6183656488395496410.hoa
Detected timeout of ITS tools.
[2025-05-31 19:04:00] [INFO ] Flatten gal took : 18 ms
[2025-05-31 19:04:00] [INFO ] Flatten gal took : 17 ms
[2025-05-31 19:04:00] [INFO ] Time to serialize gal into /tmp/LTL12376926091537086577.gal : 4 ms
[2025-05-31 19:04:00] [INFO ] Time to serialize properties into /tmp/LTL11363112103880449885.ltl : 1 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-ltl-linux64' '--gc-threshold' '2000000' '-i' '/tmp/LTL12376926091537086577.gal' '-t' 'CGAL' '-LTL' '/tmp/LTL11363112103880449885.ltl' '-c' '-stutter-deadlock' '--gen-order' 'FOLLOW'
its-ltl command run as :
/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202505121319/bin/its-ltl-linux64 --gc-threshold 2000000 -i /tmp/L...277
Read 1 LTL properties
Checking formula 0 : !((G(((X(X("((p105==0)||(p149==0))")))||(F(!((G("((p252==1)&&(p254==1))"))U(!("((p262==1)&&(p264==1))"))))))||("(p193==1)"))))
Formula 0 simplified : F(!"(p193==1)" & XX!"((p105==0)||(p149==0))" & G(G"((p252==1)&&(p254==1))" U !"((p262==1)&&(p264==1))"))
Detected timeout of ITS tools.
[2025-05-31 19:04:15] [INFO ] Flatten gal took : 17 ms
[2025-05-31 19:04:15] [INFO ] Applying decomposition
[2025-05-31 19:04:15] [INFO ] Flatten gal took : 16 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/graph17818774017918583508.txt' '-o' '/tmp/graph17818774017918583508.bin' '-w' '/tmp/graph17818774017918583508.weights'
Built communities with : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.louvain.binaries_1.0.0.202505121319/bin/louvain-linux64' '/tmp/graph17818774017918583508.bin' '-l' '-1' '-v' '-w' '/tmp/graph17818774017918583508.weights' '-q' '0' '-e' '0.001'
[2025-05-31 19:04:15] [INFO ] Decomposing Gal with order
[2025-05-31 19:04:15] [INFO ] Rewriting arrays to variables to allow decomposition.
[2025-05-31 19:04:15] [INFO ] Removed a total of 12 redundant transitions.
[2025-05-31 19:04:15] [INFO ] Flatten gal took : 31 ms
[2025-05-31 19:04:15] [INFO ] Fuse similar labels procedure discarded/fused a total of 2 labels/synchronizations in 4 ms.
[2025-05-31 19:04:15] [INFO ] Time to serialize gal into /tmp/LTL14763551039309180116.gal : 5 ms
[2025-05-31 19:04:15] [INFO ] Time to serialize properties into /tmp/LTL9136421723694780651.ltl : 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-ltl-linux64' '--gc-threshold' '2000000' '-i' '/tmp/LTL14763551039309180116.gal' '-t' 'CGAL' '-LTL' '/tmp/LTL9136421723694780651.ltl' '-c' '-stutter-deadlock'
its-ltl command run as :
/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202505121319/bin/its-ltl-linux64 --gc-threshold 2000000 -i /tmp/L...255
Read 1 LTL properties
Checking formula 0 : !((G(((X(X("((i2.u8.p105==0)||(i2.u8.p149==0))")))||(F(!((G("((u32.p252==1)&&(u32.p254==1))"))U(!("((i6.u35.p262==1)&&(i6.u35.p264==1)...188
Formula 0 simplified : F(!"(i4.u17.p193==1)" & XX!"((i2.u8.p105==0)||(i2.u8.p149==0))" & G(G"((u32.p252==1)&&(u32.p254==1))" U !"((i6.u35.p262==1)&&(i6.u35...168
Detected timeout of ITS tools.
Treatment of property DES-PT-30b-LTLFireability-04 finished in 499237 ms.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202505121319/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!(X(((p0&&G(p1)) U G(p2))))'
Support contains 4 out of 367 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 367/367 places, 314/314 transitions.
Discarding 9 places :
Symmetric choice reduction at 0 with 9 rule applications. Total rules 9 place count 358 transition count 305
Iterating global reduction 0 with 9 rules applied. Total rules applied 18 place count 358 transition count 305
Ensure Unique test removed 3 transitions
Reduce isomorphic transitions removed 3 transitions.
Iterating post reduction 0 with 3 rules applied. Total rules applied 21 place count 358 transition count 302
Discarding 5 places :
Symmetric choice reduction at 1 with 5 rule applications. Total rules 26 place count 353 transition count 297
Iterating global reduction 1 with 5 rules applied. Total rules applied 31 place count 353 transition count 297
Ensure Unique test removed 4 transitions
Reduce isomorphic transitions removed 4 transitions.
Iterating post reduction 1 with 4 rules applied. Total rules applied 35 place count 353 transition count 293
Applied a total of 35 rules in 20 ms. Remains 353 /367 variables (removed 14) and now considering 293/314 (removed 21) transitions.
[2025-05-31 19:04:30] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-05-31 19:04:31] [INFO ] Implicit Places using invariants in 326 ms returned []
[2025-05-31 19:04:31] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-05-31 19:04:31] [INFO ] Implicit Places using invariants and state equation in 899 ms returned []
Implicit Place search using SMT with State Equation took 1227 ms to find 0 implicit places.
Running 292 sub problems to find dead transitions.
[2025-05-31 19:04:31] [INFO ] Invariant cache hit.
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/352 variables, 15/15 constraints. Problems are: Problem set: 0 solved, 292 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/352 variables, 0/15 constraints. Problems are: Problem set: 0 solved, 292 unsolved
At refinement iteration 2 (OVERLAPS) 1/353 variables, 33/48 constraints. Problems are: Problem set: 0 solved, 292 unsolved
All remaining problems are real, not stopping.
At refinement iteration 3 (INCLUDED_ONLY) 0/353 variables, 14/62 constraints. Problems are: Problem set: 0 solved, 292 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/353 variables, 0/62 constraints. Problems are: Problem set: 0 solved, 292 unsolved
At refinement iteration 5 (OVERLAPS) 293/646 variables, 353/415 constraints. Problems are: Problem set: 0 solved, 292 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 19:04:41] [INFO ] Deduced a trap composed of 10 places in 122 ms of which 10 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 19:04:42] [INFO ] Deduced a trap composed of 15 places in 103 ms of which 13 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 19:04:42] [INFO ] Deduced a trap composed of 29 places in 93 ms of which 11 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 19:04:42] [INFO ] Deduced a trap composed of 12 places in 119 ms of which 12 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 19:04:42] [INFO ] Deduced a trap composed of 13 places in 126 ms of which 11 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 19:04:42] [INFO ] Deduced a trap composed of 17 places in 107 ms of which 12 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 19:04:42] [INFO ] Deduced a trap composed of 18 places in 88 ms of which 7 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 19:04:42] [INFO ] Deduced a trap composed of 22 places in 110 ms of which 15 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 19:04:43] [INFO ] Deduced a trap composed of 23 places in 90 ms of which 11 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 19:04:43] [INFO ] Deduced a trap composed of 30 places in 84 ms of which 5 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 19:04:43] [INFO ] Deduced a trap composed of 23 places in 96 ms of which 13 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 19:04:43] [INFO ] Deduced a trap composed of 17 places in 93 ms of which 10 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 19:04:43] [INFO ] Deduced a trap composed of 17 places in 89 ms of which 10 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 19:04:43] [INFO ] Deduced a trap composed of 18 places in 84 ms of which 7 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 19:04:43] [INFO ] Deduced a trap composed of 18 places in 65 ms of which 5 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 19:04:44] [INFO ] Deduced a trap composed of 15 places in 49 ms of which 4 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 19:04:44] [INFO ] Deduced a trap composed of 16 places in 47 ms of which 4 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 19:04:44] [INFO ] Deduced a trap composed of 8 places in 136 ms of which 11 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 19:04:44] [INFO ] Deduced a trap composed of 14 places in 116 ms of which 11 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 19:04:45] [INFO ] Deduced a trap composed of 18 places in 93 ms of which 13 ms to minimize.
At refinement iteration 6 (INCLUDED_ONLY) 0/646 variables, 20/435 constraints. Problems are: Problem set: 0 solved, 292 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 19:04:46] [INFO ] Deduced a trap composed of 14 places in 63 ms of which 6 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 19:04:47] [INFO ] Deduced a trap composed of 18 places in 54 ms of which 6 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 19:04:47] [INFO ] Deduced a trap composed of 17 places in 54 ms of which 7 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 19:04:47] [INFO ] Deduced a trap composed of 19 places in 51 ms of which 7 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 19:04:47] [INFO ] Deduced a trap composed of 18 places in 48 ms of which 7 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 19:04:47] [INFO ] Deduced a trap composed of 20 places in 49 ms of which 7 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 19:04:47] [INFO ] Deduced a trap composed of 19 places in 51 ms of which 7 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 19:04:47] [INFO ] Deduced a trap composed of 21 places in 46 ms of which 4 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 19:04:47] [INFO ] Deduced a trap composed of 20 places in 45 ms of which 7 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 19:04:47] [INFO ] Deduced a trap composed of 22 places in 44 ms of which 6 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 19:04:47] [INFO ] Deduced a trap composed of 21 places in 45 ms of which 8 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 19:04:47] [INFO ] Deduced a trap composed of 23 places in 42 ms of which 5 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 19:04:49] [INFO ] Deduced a trap composed of 9 places in 55 ms of which 7 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 19:04:49] [INFO ] Deduced a trap composed of 10 places in 42 ms of which 5 ms to minimize.
At refinement iteration 7 (INCLUDED_ONLY) 0/646 variables, 14/449 constraints. Problems are: Problem set: 0 solved, 292 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 19:04:52] [INFO ] Deduced a trap composed of 16 places in 89 ms of which 7 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 19:04:52] [INFO ] Deduced a trap composed of 22 places in 114 ms of which 14 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 19:04:55] [INFO ] Deduced a trap composed of 27 places in 83 ms of which 9 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 19:04:55] [INFO ] Deduced a trap composed of 28 places in 84 ms of which 9 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 19:04:55] [INFO ] Deduced a trap composed of 29 places in 83 ms of which 12 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 19:04:55] [INFO ] Deduced a trap composed of 18 places in 71 ms of which 5 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 19:04:55] [INFO ] Deduced a trap composed of 19 places in 57 ms of which 5 ms to minimize.
At refinement iteration 8 (INCLUDED_ONLY) 0/646 variables, 7/456 constraints. Problems are: Problem set: 0 solved, 292 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 19:05:01] [INFO ] Deduced a trap composed of 37 places in 175 ms of which 24 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 19:05:01] [INFO ] Deduced a trap composed of 40 places in 172 ms of which 21 ms to minimize.
Solver is answering 'unknown', stopping.
After SMT solving in domain Real declared 646/646 variables, and 458 constraints, problems are : Problem set: 0 solved, 292 unsolved in 30022 ms.
Refiners :[Positive P Invariants (semi-flows): 33/33 constraints, Generalized P Invariants (flows): 29/29 constraints, State Equation: 353/353 constraints, PredecessorRefiner: 292/292 constraints, Known Traps: 43/43 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 292 unsolved
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/352 variables, 15/15 constraints. Problems are: Problem set: 0 solved, 292 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/352 variables, 0/15 constraints. Problems are: Problem set: 0 solved, 292 unsolved
At refinement iteration 2 (OVERLAPS) 1/353 variables, 33/48 constraints. Problems are: Problem set: 0 solved, 292 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/353 variables, 14/62 constraints. Problems are: Problem set: 0 solved, 292 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/353 variables, 43/105 constraints. Problems are: Problem set: 0 solved, 292 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 19:05:05] [INFO ] Deduced a trap composed of 7 places in 194 ms of which 9 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 19:05:05] [INFO ] Deduced a trap composed of 21 places in 175 ms of which 14 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 19:05:05] [INFO ] Deduced a trap composed of 21 places in 138 ms of which 10 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 19:05:05] [INFO ] Deduced a trap composed of 22 places in 130 ms of which 10 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 19:05:05] [INFO ] Deduced a trap composed of 13 places in 81 ms of which 6 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 19:05:06] [INFO ] Deduced a trap composed of 19 places in 67 ms of which 8 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 19:05:06] [INFO ] Deduced a trap composed of 20 places in 46 ms of which 5 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 19:05:06] [INFO ] Deduced a trap composed of 20 places in 60 ms of which 6 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 19:05:06] [INFO ] Deduced a trap composed of 21 places in 41 ms of which 4 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 19:05:06] [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
[2025-05-31 19:05:06] [INFO ] Deduced a trap composed of 22 places in 40 ms of which 4 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 19:05:06] [INFO ] Deduced a trap composed of 22 places in 56 ms of which 6 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 19:05:06] [INFO ] Deduced a trap composed of 23 places in 39 ms of which 4 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 19:05:06] [INFO ] Deduced a trap composed of 23 places in 52 ms of which 4 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 19:05:06] [INFO ] Deduced a trap composed of 24 places in 36 ms of which 3 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 19:05:07] [INFO ] Deduced a trap composed of 11 places in 73 ms of which 6 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 19:05:07] [INFO ] Deduced a trap composed of 12 places in 50 ms of which 4 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 19:05:07] [INFO ] Deduced a trap composed of 13 places in 50 ms of which 5 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 19:05:07] [INFO ] Deduced a trap composed of 13 places in 50 ms of which 4 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 19:05:07] [INFO ] Deduced a trap composed of 14 places in 48 ms of which 5 ms to minimize.
At refinement iteration 5 (INCLUDED_ONLY) 0/353 variables, 20/125 constraints. Problems are: Problem set: 0 solved, 292 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 19:05:07] [INFO ] Deduced a trap composed of 21 places in 62 ms of which 10 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 19:05:08] [INFO ] Deduced a trap composed of 21 places in 74 ms of which 6 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 19:05:08] [INFO ] Deduced a trap composed of 11 places in 31 ms of which 4 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 19:05:08] [INFO ] Deduced a trap composed of 14 places in 29 ms of which 2 ms to minimize.
At refinement iteration 6 (INCLUDED_ONLY) 0/353 variables, 4/129 constraints. Problems are: Problem set: 0 solved, 292 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 19:05:10] [INFO ] Deduced a trap composed of 19 places in 90 ms of which 7 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 19:05:11] [INFO ] Deduced a trap composed of 10 places in 40 ms of which 4 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 19:05:11] [INFO ] Deduced a trap composed of 29 places in 72 ms of which 14 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 19:05:11] [INFO ] Deduced a trap composed of 32 places in 71 ms of which 12 ms to minimize.
At refinement iteration 7 (INCLUDED_ONLY) 0/353 variables, 4/133 constraints. Problems are: Problem set: 0 solved, 292 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 19:05:13] [INFO ] Deduced a trap composed of 16 places in 46 ms of which 3 ms to minimize.
At refinement iteration 8 (INCLUDED_ONLY) 0/353 variables, 1/134 constraints. Problems are: Problem set: 0 solved, 292 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/353 variables, 0/134 constraints. Problems are: Problem set: 0 solved, 292 unsolved
At refinement iteration 10 (OVERLAPS) 293/646 variables, 353/487 constraints. Problems are: Problem set: 0 solved, 292 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/646 variables, 292/779 constraints. Problems are: Problem set: 0 solved, 292 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 646/646 variables, and 779 constraints, problems are : Problem set: 0 solved, 292 unsolved in 30016 ms.
Refiners :[Positive P Invariants (semi-flows): 33/33 constraints, Generalized P Invariants (flows): 29/29 constraints, State Equation: 353/353 constraints, PredecessorRefiner: 292/292 constraints, Known Traps: 72/72 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 60076ms problems are : Problem set: 0 solved, 292 unsolved
Search for dead transitions found 0 dead transitions in 60077ms
Starting structural reductions in LTL mode, iteration 1 : 353/367 places, 293/314 transitions.
Finished structural reductions in LTL mode , in 1 iterations and 61328 ms. Remains : 353/367 places, 293/314 transitions.
Stuttering acceptance computed with spot in 155 ms :[(NOT p2), (NOT p2), true, (NOT p1), (NOT p2)]
Running random walk in product with property : DES-PT-30b-LTLFireability-05
Entered a terminal (fully accepting) state of product in 41 steps with 0 reset in 0 ms.
FORMULA DES-PT-30b-LTLFireability-05 FALSE TECHNIQUES STUTTER_TEST
Treatment of property DES-PT-30b-LTLFireability-05 finished in 61508 ms.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202505121319/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!(F(p0))'
Support contains 2 out of 367 places. Attempting structural reductions.
Starting structural reductions in SI_LTL mode, iteration 0 : 367/367 places, 314/314 transitions.
Graph (complete) has 799 edges and 367 vertex of which 360 are kept as prefixes of interest. Removing 7 places using SCC suffix rule.1 ms
Discarding 7 places :
Also discarding 4 output transitions
Drop transitions (Output transitions of discarded places.) removed 4 transitions
Reduce places removed 1 places and 1 transitions.
Drop transitions (Trivial Post-Agglo cleanup.) removed 15 transitions
Trivial Post-agglo rules discarded 15 transitions
Performed 15 trivial Post agglomeration. Transition count delta: 15
Iterating post reduction 0 with 15 rules applied. Total rules applied 16 place count 359 transition count 294
Reduce places removed 15 places and 0 transitions.
Ensure Unique test removed 1 transitions
Reduce isomorphic transitions removed 1 transitions.
Iterating post reduction 1 with 16 rules applied. Total rules applied 32 place count 344 transition count 293
Performed 10 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 2 with 10 Pre rules applied. Total rules applied 32 place count 344 transition count 283
Deduced a syphon composed of 10 places in 0 ms
Reduce places removed 10 places and 0 transitions.
Iterating global reduction 2 with 20 rules applied. Total rules applied 52 place count 334 transition count 283
Discarding 7 places :
Symmetric choice reduction at 2 with 7 rule applications. Total rules 59 place count 327 transition count 276
Iterating global reduction 2 with 7 rules applied. Total rules applied 66 place count 327 transition count 276
Ensure Unique test removed 2 transitions
Reduce isomorphic transitions removed 2 transitions.
Iterating post reduction 2 with 2 rules applied. Total rules applied 68 place count 327 transition count 274
Performed 1 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 3 with 1 Pre rules applied. Total rules applied 68 place count 327 transition count 273
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 70 place count 326 transition count 273
Discarding 5 places :
Symmetric choice reduction at 3 with 5 rule applications. Total rules 75 place count 321 transition count 268
Iterating global reduction 3 with 5 rules applied. Total rules applied 80 place count 321 transition count 268
Ensure Unique test removed 4 transitions
Reduce isomorphic transitions removed 4 transitions.
Iterating post reduction 3 with 4 rules applied. Total rules applied 84 place count 321 transition count 264
Performed 2 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 4 with 2 Pre rules applied. Total rules applied 84 place count 321 transition count 262
Deduced a syphon composed of 2 places in 0 ms
Reduce places removed 2 places and 0 transitions.
Iterating global reduction 4 with 4 rules applied. Total rules applied 88 place count 319 transition count 262
Performed 75 Post agglomeration using F-continuation condition.Transition count delta: 75
Deduced a syphon composed of 75 places in 0 ms
Reduce places removed 75 places and 0 transitions.
Iterating global reduction 4 with 150 rules applied. Total rules applied 238 place count 244 transition count 187
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 4 with 4 rules applied. Total rules applied 242 place count 242 transition count 189
Reduce places removed 2 places and 2 transitions.
Iterating global reduction 4 with 2 rules applied. Total rules applied 244 place count 240 transition count 187
Reduce places removed 1 places and 0 transitions.
Iterating post reduction 4 with 1 rules applied. Total rules applied 245 place count 239 transition count 187
Applied a total of 245 rules in 47 ms. Remains 239 /367 variables (removed 128) and now considering 187/314 (removed 127) transitions.
// Phase 1: matrix 187 rows 239 cols
[2025-05-31 19:05:32] [INFO ] Computed 58 invariants in 3 ms
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-05-31 19:05:32] [INFO ] Implicit Places using invariants in 276 ms returned []
[2025-05-31 19:05:32] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-05-31 19:05:32] [INFO ] Implicit Places using invariants and state equation in 474 ms returned []
Implicit Place search using SMT with State Equation took 759 ms to find 0 implicit places.
Starting Z3 with timeout 200.0 s and query timeout 20000.0 ms
[2025-05-31 19:05:32] [INFO ] Redundant transitions in 1 ms returned []
Running 184 sub problems to find dead transitions.
[2025-05-31 19:05:32] [INFO ] Invariant cache hit.
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/236 variables, 29/29 constraints. Problems are: Problem set: 0 solved, 184 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/236 variables, 18/47 constraints. Problems are: Problem set: 0 solved, 184 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/236 variables, 0/47 constraints. Problems are: Problem set: 0 solved, 184 unsolved
At refinement iteration 3 (OVERLAPS) 1/237 variables, 4/51 constraints. Problems are: Problem set: 0 solved, 184 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/237 variables, 0/51 constraints. Problems are: Problem set: 0 solved, 184 unsolved
At refinement iteration 5 (OVERLAPS) 2/239 variables, 7/58 constraints. Problems are: Problem set: 0 solved, 184 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/239 variables, 0/58 constraints. Problems are: Problem set: 0 solved, 184 unsolved
At refinement iteration 7 (OVERLAPS) 187/426 variables, 239/297 constraints. Problems are: Problem set: 0 solved, 184 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 19:05:43] [INFO ] Deduced a trap composed of 3 places in 92 ms of which 6 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 19:05:43] [INFO ] Deduced a trap composed of 15 places in 62 ms of which 6 ms to minimize.
At refinement iteration 8 (INCLUDED_ONLY) 0/426 variables, 2/299 constraints. Problems are: Problem set: 0 solved, 184 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 19:05:44] [INFO ] Deduced a trap composed of 13 places in 79 ms of which 9 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 19:05:45] [INFO ] Deduced a trap composed of 17 places in 88 ms of which 8 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 19:05:45] [INFO ] Deduced a trap composed of 19 places in 93 ms of which 7 ms to minimize.
At refinement iteration 9 (INCLUDED_ONLY) 0/426 variables, 3/302 constraints. Problems are: Problem set: 0 solved, 184 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/426 variables, 0/302 constraints. Problems are: Problem set: 0 solved, 184 unsolved
At refinement iteration 11 (OVERLAPS) 0/426 variables, 0/302 constraints. Problems are: Problem set: 0 solved, 184 unsolved
No progress, stopping.
After SMT solving in domain Real declared 426/426 variables, and 302 constraints, problems are : Problem set: 0 solved, 184 unsolved in 24655 ms.
Refiners :[Positive P Invariants (semi-flows): 33/33 constraints, Generalized P Invariants (flows): 25/25 constraints, State Equation: 239/239 constraints, PredecessorRefiner: 184/184 constraints, Known Traps: 5/5 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 184 unsolved
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/236 variables, 29/29 constraints. Problems are: Problem set: 0 solved, 184 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/236 variables, 18/47 constraints. Problems are: Problem set: 0 solved, 184 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/236 variables, 4/51 constraints. Problems are: Problem set: 0 solved, 184 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/236 variables, 0/51 constraints. Problems are: Problem set: 0 solved, 184 unsolved
At refinement iteration 4 (OVERLAPS) 1/237 variables, 4/55 constraints. Problems are: Problem set: 0 solved, 184 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/237 variables, 0/55 constraints. Problems are: Problem set: 0 solved, 184 unsolved
At refinement iteration 6 (OVERLAPS) 2/239 variables, 7/62 constraints. Problems are: Problem set: 0 solved, 184 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/239 variables, 1/63 constraints. Problems are: Problem set: 0 solved, 184 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 19:06:01] [INFO ] Deduced a trap composed of 11 places in 50 ms of which 3 ms to minimize.
At refinement iteration 8 (INCLUDED_ONLY) 0/239 variables, 1/64 constraints. Problems are: Problem set: 0 solved, 184 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/239 variables, 0/64 constraints. Problems are: Problem set: 0 solved, 184 unsolved
At refinement iteration 10 (OVERLAPS) 187/426 variables, 239/303 constraints. Problems are: Problem set: 0 solved, 184 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/426 variables, 184/487 constraints. Problems are: Problem set: 0 solved, 184 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 19:06:15] [INFO ] Deduced a trap composed of 4 places in 43 ms of which 3 ms to minimize.
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 426/426 variables, and 488 constraints, problems are : Problem set: 0 solved, 184 unsolved in 30015 ms.
Refiners :[Positive P Invariants (semi-flows): 33/33 constraints, Generalized P Invariants (flows): 25/25 constraints, State Equation: 239/239 constraints, PredecessorRefiner: 184/184 constraints, Known Traps: 7/7 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 54712ms problems are : Problem set: 0 solved, 184 unsolved
Search for dead transitions found 0 dead transitions in 54712ms
Starting structural reductions in SI_LTL mode, iteration 1 : 239/367 places, 187/314 transitions.
Finished structural reductions in SI_LTL mode , in 1 iterations and 55527 ms. Remains : 239/367 places, 187/314 transitions.
Stuttering acceptance computed with spot in 38 ms :[(NOT p0)]
Running random walk in product with property : DES-PT-30b-LTLFireability-06
Stuttering criterion allowed to conclude after 19 steps with 0 reset in 0 ms.
FORMULA DES-PT-30b-LTLFireability-06 FALSE TECHNIQUES STUTTER_TEST
Treatment of property DES-PT-30b-LTLFireability-06 finished in 55578 ms.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202505121319/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!(G(p0))'
Support contains 1 out of 367 places. Attempting structural reductions.
Starting structural reductions in SI_LTL mode, iteration 0 : 367/367 places, 314/314 transitions.
Graph (complete) has 799 edges and 367 vertex of which 360 are kept as prefixes of interest. Removing 7 places using SCC suffix rule.1 ms
Discarding 7 places :
Also discarding 4 output transitions
Drop transitions (Output transitions of discarded places.) removed 4 transitions
Reduce places removed 1 places and 1 transitions.
Drop transitions (Trivial Post-Agglo cleanup.) removed 15 transitions
Trivial Post-agglo rules discarded 15 transitions
Performed 15 trivial Post agglomeration. Transition count delta: 15
Iterating post reduction 0 with 15 rules applied. Total rules applied 16 place count 359 transition count 294
Reduce places removed 15 places and 0 transitions.
Ensure Unique test removed 1 transitions
Reduce isomorphic transitions removed 1 transitions.
Iterating post reduction 1 with 16 rules applied. Total rules applied 32 place count 344 transition count 293
Performed 10 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 2 with 10 Pre rules applied. Total rules applied 32 place count 344 transition count 283
Deduced a syphon composed of 10 places in 0 ms
Reduce places removed 10 places and 0 transitions.
Iterating global reduction 2 with 20 rules applied. Total rules applied 52 place count 334 transition count 283
Discarding 7 places :
Symmetric choice reduction at 2 with 7 rule applications. Total rules 59 place count 327 transition count 276
Iterating global reduction 2 with 7 rules applied. Total rules applied 66 place count 327 transition count 276
Ensure Unique test removed 2 transitions
Reduce isomorphic transitions removed 2 transitions.
Iterating post reduction 2 with 2 rules applied. Total rules applied 68 place count 327 transition count 274
Performed 1 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 3 with 1 Pre rules applied. Total rules applied 68 place count 327 transition count 273
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 70 place count 326 transition count 273
Discarding 5 places :
Symmetric choice reduction at 3 with 5 rule applications. Total rules 75 place count 321 transition count 268
Iterating global reduction 3 with 5 rules applied. Total rules applied 80 place count 321 transition count 268
Ensure Unique test removed 4 transitions
Reduce isomorphic transitions removed 4 transitions.
Iterating post reduction 3 with 4 rules applied. Total rules applied 84 place count 321 transition count 264
Performed 2 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 4 with 2 Pre rules applied. Total rules applied 84 place count 321 transition count 262
Deduced a syphon composed of 2 places in 0 ms
Reduce places removed 2 places and 0 transitions.
Iterating global reduction 4 with 4 rules applied. Total rules applied 88 place count 319 transition count 262
Performed 76 Post agglomeration using F-continuation condition.Transition count delta: 76
Deduced a syphon composed of 76 places in 0 ms
Reduce places removed 76 places and 0 transitions.
Iterating global reduction 4 with 152 rules applied. Total rules applied 240 place count 243 transition count 186
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 4 with 4 rules applied. Total rules applied 244 place count 241 transition count 188
Reduce places removed 2 places and 2 transitions.
Iterating global reduction 4 with 2 rules applied. Total rules applied 246 place count 239 transition count 186
Reduce places removed 1 places and 0 transitions.
Iterating post reduction 4 with 1 rules applied. Total rules applied 247 place count 238 transition count 186
Applied a total of 247 rules in 51 ms. Remains 238 /367 variables (removed 129) and now considering 186/314 (removed 128) transitions.
// Phase 1: matrix 186 rows 238 cols
[2025-05-31 19:06:27] [INFO ] Computed 58 invariants in 2 ms
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-05-31 19:06:28] [INFO ] Implicit Places using invariants in 289 ms returned []
[2025-05-31 19:06:28] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-05-31 19:06:28] [INFO ] Implicit Places using invariants and state equation in 533 ms returned []
Implicit Place search using SMT with State Equation took 830 ms to find 0 implicit places.
Starting Z3 with timeout 200.0 s and query timeout 20000.0 ms
[2025-05-31 19:06:28] [INFO ] Redundant transitions in 1 ms returned []
Running 183 sub problems to find dead transitions.
[2025-05-31 19:06:28] [INFO ] Invariant cache hit.
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/235 variables, 33/33 constraints. Problems are: Problem set: 0 solved, 183 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/235 variables, 18/51 constraints. Problems are: Problem set: 0 solved, 183 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/235 variables, 0/51 constraints. Problems are: Problem set: 0 solved, 183 unsolved
At refinement iteration 3 (OVERLAPS) 2/237 variables, 7/58 constraints. Problems are: Problem set: 0 solved, 183 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 19:06:33] [INFO ] Deduced a trap composed of 10 places in 46 ms of which 3 ms to minimize.
At refinement iteration 4 (INCLUDED_ONLY) 0/237 variables, 1/59 constraints. Problems are: Problem set: 0 solved, 183 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/237 variables, 0/59 constraints. Problems are: Problem set: 0 solved, 183 unsolved
At refinement iteration 6 (OVERLAPS) 186/423 variables, 237/296 constraints. Problems are: Problem set: 0 solved, 183 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 19:06:38] [INFO ] Deduced a trap composed of 12 places in 96 ms of which 8 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 19:06:39] [INFO ] Deduced a trap composed of 13 places in 105 ms of which 12 ms to minimize.
At refinement iteration 7 (INCLUDED_ONLY) 0/423 variables, 2/298 constraints. Problems are: Problem set: 0 solved, 183 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/423 variables, 0/298 constraints. Problems are: Problem set: 0 solved, 183 unsolved
At refinement iteration 9 (OVERLAPS) 1/424 variables, 1/299 constraints. Problems are: Problem set: 0 solved, 183 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/424 variables, 0/299 constraints. Problems are: Problem set: 0 solved, 183 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 19:06:49] [INFO ] Deduced a trap composed of 17 places in 87 ms of which 6 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 19:06:49] [INFO ] Deduced a trap composed of 18 places in 148 ms of which 13 ms to minimize.
At refinement iteration 11 (OVERLAPS) 0/424 variables, 2/301 constraints. Problems are: Problem set: 0 solved, 183 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 19:06:50] [INFO ] Deduced a trap composed of 15 places in 87 ms of which 9 ms to minimize.
At refinement iteration 12 (INCLUDED_ONLY) 0/424 variables, 1/302 constraints. Problems are: Problem set: 0 solved, 183 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Real declared 424/424 variables, and 302 constraints, problems are : Problem set: 0 solved, 183 unsolved in 30010 ms.
Refiners :[Positive P Invariants (semi-flows): 33/33 constraints, Generalized P Invariants (flows): 25/25 constraints, State Equation: 238/238 constraints, PredecessorRefiner: 183/183 constraints, Known Traps: 6/6 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 183 unsolved
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/235 variables, 33/33 constraints. Problems are: Problem set: 0 solved, 183 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/235 variables, 18/51 constraints. Problems are: Problem set: 0 solved, 183 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/235 variables, 6/57 constraints. Problems are: Problem set: 0 solved, 183 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/235 variables, 0/57 constraints. Problems are: Problem set: 0 solved, 183 unsolved
At refinement iteration 4 (OVERLAPS) 2/237 variables, 7/64 constraints. Problems are: Problem set: 0 solved, 183 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/237 variables, 0/64 constraints. Problems are: Problem set: 0 solved, 183 unsolved
At refinement iteration 6 (OVERLAPS) 186/423 variables, 237/301 constraints. Problems are: Problem set: 0 solved, 183 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/423 variables, 183/484 constraints. Problems are: Problem set: 0 solved, 183 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 423/424 variables, and 484 constraints, problems are : Problem set: 0 solved, 183 unsolved in 30012 ms.
Refiners :[Positive P Invariants (semi-flows): 33/33 constraints, Generalized P Invariants (flows): 25/25 constraints, State Equation: 237/238 constraints, PredecessorRefiner: 183/183 constraints, Known Traps: 6/6 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 60090ms problems are : Problem set: 0 solved, 183 unsolved
Search for dead transitions found 0 dead transitions in 60092ms
Starting structural reductions in SI_LTL mode, iteration 1 : 238/367 places, 186/314 transitions.
Finished structural reductions in SI_LTL mode , in 1 iterations and 60980 ms. Remains : 238/367 places, 186/314 transitions.
Stuttering acceptance computed with spot in 47 ms :[true, (NOT p0)]
Running random walk in product with property : DES-PT-30b-LTLFireability-07
Entered a terminal (fully accepting) state of product in 10 steps with 0 reset in 0 ms.
FORMULA DES-PT-30b-LTLFireability-07 FALSE TECHNIQUES STUTTER_TEST
Treatment of property DES-PT-30b-LTLFireability-07 finished in 61045 ms.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202505121319/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!((p0 U X(G(p1))))'
Support contains 3 out of 367 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 367/367 places, 314/314 transitions.
Discarding 8 places :
Symmetric choice reduction at 0 with 8 rule applications. Total rules 8 place count 359 transition count 306
Iterating global reduction 0 with 8 rules applied. Total rules applied 16 place count 359 transition count 306
Ensure Unique test removed 3 transitions
Reduce isomorphic transitions removed 3 transitions.
Iterating post reduction 0 with 3 rules applied. Total rules applied 19 place count 359 transition count 303
Discarding 4 places :
Symmetric choice reduction at 1 with 4 rule applications. Total rules 23 place count 355 transition count 299
Iterating global reduction 1 with 4 rules applied. Total rules applied 27 place count 355 transition count 299
Ensure Unique test removed 4 transitions
Reduce isomorphic transitions removed 4 transitions.
Iterating post reduction 1 with 4 rules applied. Total rules applied 31 place count 355 transition count 295
Applied a total of 31 rules in 28 ms. Remains 355 /367 variables (removed 12) and now considering 295/314 (removed 19) transitions.
// Phase 1: matrix 295 rows 355 cols
[2025-05-31 19:07:28] [INFO ] Computed 62 invariants in 4 ms
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-05-31 19:07:29] [INFO ] Implicit Places using invariants in 324 ms returned []
[2025-05-31 19:07:29] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-05-31 19:07:30] [INFO ] Implicit Places using invariants and state equation in 978 ms returned []
Implicit Place search using SMT with State Equation took 1303 ms to find 0 implicit places.
Running 294 sub problems to find dead transitions.
[2025-05-31 19:07:30] [INFO ] Invariant cache hit.
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/354 variables, 15/15 constraints. Problems are: Problem set: 0 solved, 294 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/354 variables, 0/15 constraints. Problems are: Problem set: 0 solved, 294 unsolved
At refinement iteration 2 (OVERLAPS) 1/355 variables, 33/48 constraints. Problems are: Problem set: 0 solved, 294 unsolved
All remaining problems are real, not stopping.
At refinement iteration 3 (INCLUDED_ONLY) 0/355 variables, 14/62 constraints. Problems are: Problem set: 0 solved, 294 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/355 variables, 0/62 constraints. Problems are: Problem set: 0 solved, 294 unsolved
At refinement iteration 5 (OVERLAPS) 295/650 variables, 355/417 constraints. Problems are: Problem set: 0 solved, 294 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 19:07:44] [INFO ] Deduced a trap composed of 29 places in 56 ms of which 7 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 19:07:44] [INFO ] Deduced a trap composed of 10 places in 169 ms of which 19 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 19:07:45] [INFO ] Deduced a trap composed of 15 places in 69 ms of which 7 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 19:07:45] [INFO ] Deduced a trap composed of 9 places in 181 ms of which 17 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 19:07:46] [INFO ] Deduced a trap composed of 10 places in 189 ms of which 17 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 19:07:47] [INFO ] Deduced a trap composed of 11 places in 217 ms of which 18 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 19:07:47] [INFO ] Deduced a trap composed of 14 places in 215 ms of which 17 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 19:07:49] [INFO ] Deduced a trap composed of 10 places in 130 ms of which 12 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 19:07:51] [INFO ] Deduced a trap composed of 21 places in 78 ms of which 10 ms to minimize.
At refinement iteration 6 (INCLUDED_ONLY) 0/650 variables, 9/426 constraints. Problems are: Problem set: 0 solved, 294 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 19:07:55] [INFO ] Deduced a trap composed of 12 places in 149 ms of which 14 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 19:07:55] [INFO ] Deduced a trap composed of 18 places in 133 ms of which 14 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 19:07:55] [INFO ] Deduced a trap composed of 13 places in 238 ms of which 18 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 19:07:55] [INFO ] Deduced a trap composed of 21 places in 148 ms of which 10 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 19:07:56] [INFO ] Deduced a trap composed of 22 places in 169 ms of which 15 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 19:07:56] [INFO ] Deduced a trap composed of 15 places in 120 ms of which 15 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 19:07:56] [INFO ] Deduced a trap composed of 16 places in 135 ms of which 15 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 19:07:57] [INFO ] Deduced a trap composed of 17 places in 132 ms of which 15 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 19:07:57] [INFO ] Deduced a trap composed of 18 places in 118 ms of which 15 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 19:07:57] [INFO ] Deduced a trap composed of 19 places in 122 ms of which 17 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 19:07:57] [INFO ] Deduced a trap composed of 20 places in 102 ms of which 15 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 19:07:59] [INFO ] Deduced a trap composed of 17 places in 106 ms of which 12 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 19:07:59] [INFO ] Deduced a trap composed of 18 places in 120 ms of which 9 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 19:08:00] [INFO ] Deduced a trap composed of 22 places in 241 ms of which 26 ms to minimize.
SMT process timed out in 30145ms, After SMT, problems are : Problem set: 0 solved, 294 unsolved
Search for dead transitions found 0 dead transitions in 30146ms
Starting structural reductions in LTL mode, iteration 1 : 355/367 places, 295/314 transitions.
Finished structural reductions in LTL mode , in 1 iterations and 31479 ms. Remains : 355/367 places, 295/314 transitions.
Stuttering acceptance computed with spot in 120 ms :[(NOT p1), (NOT p1), true]
Running random walk in product with property : DES-PT-30b-LTLFireability-08
Entered a terminal (fully accepting) state of product in 1 steps with 0 reset in 0 ms.
FORMULA DES-PT-30b-LTLFireability-08 FALSE TECHNIQUES STUTTER_TEST
Treatment of property DES-PT-30b-LTLFireability-08 finished in 31616 ms.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202505121319/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!((((!p0 U G(!p1)) U p0) U (p2||X(X(G(p2))))))'
Support contains 5 out of 367 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 367/367 places, 314/314 transitions.
Discarding 9 places :
Symmetric choice reduction at 0 with 9 rule applications. Total rules 9 place count 358 transition count 305
Iterating global reduction 0 with 9 rules applied. Total rules applied 18 place count 358 transition count 305
Ensure Unique test removed 3 transitions
Reduce isomorphic transitions removed 3 transitions.
Iterating post reduction 0 with 3 rules applied. Total rules applied 21 place count 358 transition count 302
Discarding 5 places :
Symmetric choice reduction at 1 with 5 rule applications. Total rules 26 place count 353 transition count 297
Iterating global reduction 1 with 5 rules applied. Total rules applied 31 place count 353 transition count 297
Ensure Unique test removed 4 transitions
Reduce isomorphic transitions removed 4 transitions.
Iterating post reduction 1 with 4 rules applied. Total rules applied 35 place count 353 transition count 293
Applied a total of 35 rules in 37 ms. Remains 353 /367 variables (removed 14) and now considering 293/314 (removed 21) transitions.
// Phase 1: matrix 293 rows 353 cols
[2025-05-31 19:08:00] [INFO ] Computed 62 invariants in 6 ms
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-05-31 19:08:00] [INFO ] Implicit Places using invariants in 502 ms returned []
[2025-05-31 19:08:00] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-05-31 19:08:02] [INFO ] Implicit Places using invariants and state equation in 1197 ms returned []
Implicit Place search using SMT with State Equation took 1701 ms to find 0 implicit places.
Running 292 sub problems to find dead transitions.
[2025-05-31 19:08:02] [INFO ] Invariant cache hit.
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/352 variables, 15/15 constraints. Problems are: Problem set: 0 solved, 292 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/352 variables, 0/15 constraints. Problems are: Problem set: 0 solved, 292 unsolved
At refinement iteration 2 (OVERLAPS) 1/353 variables, 33/48 constraints. Problems are: Problem set: 0 solved, 292 unsolved
All remaining problems are real, not stopping.
At refinement iteration 3 (INCLUDED_ONLY) 0/353 variables, 14/62 constraints. Problems are: Problem set: 0 solved, 292 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/353 variables, 0/62 constraints. Problems are: Problem set: 0 solved, 292 unsolved
At refinement iteration 5 (OVERLAPS) 293/646 variables, 353/415 constraints. Problems are: Problem set: 0 solved, 292 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 19:08:17] [INFO ] Deduced a trap composed of 10 places in 135 ms of which 12 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 19:08:18] [INFO ] Deduced a trap composed of 15 places in 117 ms of which 16 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 19:08:18] [INFO ] Deduced a trap composed of 29 places in 106 ms of which 14 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 19:08:18] [INFO ] Deduced a trap composed of 12 places in 238 ms of which 20 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 19:08:18] [INFO ] Deduced a trap composed of 13 places in 215 ms of which 21 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 19:08:19] [INFO ] Deduced a trap composed of 17 places in 191 ms of which 21 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 19:08:19] [INFO ] Deduced a trap composed of 18 places in 151 ms of which 12 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 19:08:19] [INFO ] Deduced a trap composed of 22 places in 185 ms of which 26 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 19:08:19] [INFO ] Deduced a trap composed of 23 places in 163 ms of which 18 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 19:08:20] [INFO ] Deduced a trap composed of 30 places in 140 ms of which 8 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 19:08:20] [INFO ] Deduced a trap composed of 23 places in 175 ms of which 21 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 19:08:20] [INFO ] Deduced a trap composed of 17 places in 161 ms of which 18 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 19:08:20] [INFO ] Deduced a trap composed of 17 places in 157 ms of which 16 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 19:08:21] [INFO ] Deduced a trap composed of 18 places in 144 ms of which 12 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 19:08:21] [INFO ] Deduced a trap composed of 18 places in 109 ms of which 9 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 19:08:21] [INFO ] Deduced a trap composed of 15 places in 76 ms of which 8 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 19:08:21] [INFO ] Deduced a trap composed of 16 places in 82 ms of which 7 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 19:08:22] [INFO ] Deduced a trap composed of 8 places in 252 ms of which 18 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 19:08:22] [INFO ] Deduced a trap composed of 14 places in 212 ms of which 17 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 19:08:23] [INFO ] Deduced a trap composed of 18 places in 154 ms of which 21 ms to minimize.
At refinement iteration 6 (INCLUDED_ONLY) 0/646 variables, 20/435 constraints. Problems are: Problem set: 0 solved, 292 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 19:08:25] [INFO ] Deduced a trap composed of 14 places in 113 ms of which 9 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 19:08:25] [INFO ] Deduced a trap composed of 18 places in 94 ms of which 12 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 19:08:26] [INFO ] Deduced a trap composed of 17 places in 79 ms of which 11 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 19:08:26] [INFO ] Deduced a trap composed of 19 places in 85 ms of which 10 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 19:08:26] [INFO ] Deduced a trap composed of 18 places in 77 ms of which 12 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 19:08:26] [INFO ] Deduced a trap composed of 20 places in 86 ms of which 11 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 19:08:26] [INFO ] Deduced a trap composed of 19 places in 79 ms of which 12 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 19:08:26] [INFO ] Deduced a trap composed of 21 places in 75 ms of which 7 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 19:08:26] [INFO ] Deduced a trap composed of 20 places in 71 ms of which 12 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 19:08:26] [INFO ] Deduced a trap composed of 22 places in 71 ms of which 9 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 19:08:26] [INFO ] Deduced a trap composed of 21 places in 65 ms of which 11 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 19:08:27] [INFO ] Deduced a trap composed of 23 places in 59 ms of which 7 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 19:08:29] [INFO ] Deduced a trap composed of 9 places in 78 ms of which 9 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 19:08:30] [INFO ] Deduced a trap composed of 10 places in 69 ms of which 7 ms to minimize.
Error getting values : (error "ParserException while parsing response: (timeout
org.smtlib.IParser$ParserException: Unbalanced parentheses at end of input")
Solver is answering 'unknown', stopping.
After SMT solving in domain Real declared 646/646 variables, and 449 constraints, problems are : Problem set: 0 solved, 292 unsolved in 30015 ms.
Refiners :[Positive P Invariants (semi-flows): 33/33 constraints, Generalized P Invariants (flows): 29/29 constraints, State Equation: 353/353 constraints, PredecessorRefiner: 292/292 constraints, Known Traps: 34/34 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 292 unsolved
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/352 variables, 15/15 constraints. Problems are: Problem set: 0 solved, 292 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/352 variables, 0/15 constraints. Problems are: Problem set: 0 solved, 292 unsolved
At refinement iteration 2 (OVERLAPS) 1/353 variables, 33/48 constraints. Problems are: Problem set: 0 solved, 292 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/353 variables, 14/62 constraints. Problems are: Problem set: 0 solved, 292 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/353 variables, 34/96 constraints. Problems are: Problem set: 0 solved, 292 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 19:08:36] [INFO ] Deduced a trap composed of 13 places in 151 ms of which 13 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 19:08:37] [INFO ] Deduced a trap composed of 16 places in 139 ms of which 10 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 19:08:37] [INFO ] Deduced a trap composed of 21 places in 125 ms of which 9 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 19:08:38] [INFO ] Deduced a trap composed of 10 places in 143 ms of which 12 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 19:08:38] [INFO ] Deduced a trap composed of 11 places in 131 ms of which 10 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 19:08:38] [INFO ] Deduced a trap composed of 13 places in 59 ms of which 6 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 19:08:38] [INFO ] Deduced a trap composed of 14 places in 52 ms of which 7 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 19:08:39] [INFO ] Deduced a trap composed of 11 places in 46 ms of which 5 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 19:08:39] [INFO ] Deduced a trap composed of 14 places in 42 ms of which 3 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 19:08:41] [INFO ] Deduced a trap composed of 22 places in 143 ms of which 14 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 19:08:41] [INFO ] Deduced a trap composed of 29 places in 137 ms of which 12 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 19:08:41] [INFO ] Deduced a trap composed of 32 places in 128 ms of which 11 ms to minimize.
At refinement iteration 5 (INCLUDED_ONLY) 0/353 variables, 12/108 constraints. Problems are: Problem set: 0 solved, 292 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 19:08:42] [INFO ] Deduced a trap composed of 19 places in 164 ms of which 13 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 19:08:42] [INFO ] Deduced a trap composed of 25 places in 124 ms of which 8 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 19:08:43] [INFO ] Deduced a trap composed of 19 places in 79 ms of which 7 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 19:08:43] [INFO ] Deduced a trap composed of 20 places in 75 ms of which 7 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 19:08:43] [INFO ] Deduced a trap composed of 24 places in 60 ms of which 5 ms to minimize.
At refinement iteration 6 (INCLUDED_ONLY) 0/353 variables, 5/113 constraints. Problems are: Problem set: 0 solved, 292 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 19:08:47] [INFO ] Deduced a trap composed of 7 places in 128 ms of which 7 ms to minimize.
At refinement iteration 7 (INCLUDED_ONLY) 0/353 variables, 1/114 constraints. Problems are: Problem set: 0 solved, 292 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 19:08:51] [INFO ] Deduced a trap composed of 18 places in 73 ms of which 8 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 19:08:51] [INFO ] Deduced a trap composed of 19 places in 71 ms of which 7 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 19:08:52] [INFO ] Deduced a trap composed of 21 places in 68 ms of which 7 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 19:08:52] [INFO ] Deduced a trap composed of 22 places in 66 ms of which 7 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 19:08:52] [INFO ] Deduced a trap composed of 23 places in 58 ms of which 5 ms to minimize.
At refinement iteration 8 (INCLUDED_ONLY) 0/353 variables, 5/119 constraints. Problems are: Problem set: 0 solved, 292 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 19:08:57] [INFO ] Deduced a trap composed of 12 places in 102 ms of which 11 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 19:08:57] [INFO ] Deduced a trap composed of 13 places in 98 ms of which 10 ms to minimize.
At refinement iteration 9 (INCLUDED_ONLY) 0/353 variables, 2/121 constraints. Problems are: Problem set: 0 solved, 292 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 19:09:01] [INFO ] Deduced a trap composed of 21 places in 83 ms of which 12 ms to minimize.
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 353/646 variables, and 122 constraints, problems are : Problem set: 0 solved, 292 unsolved in 30017 ms.
Refiners :[Positive P Invariants (semi-flows): 33/33 constraints, Generalized P Invariants (flows): 29/29 constraints, State Equation: 0/353 constraints, PredecessorRefiner: 0/292 constraints, Known Traps: 60/60 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 60070ms problems are : Problem set: 0 solved, 292 unsolved
Search for dead transitions found 0 dead transitions in 60070ms
Starting structural reductions in LTL mode, iteration 1 : 353/367 places, 293/314 transitions.
Finished structural reductions in LTL mode , in 1 iterations and 61810 ms. Remains : 353/367 places, 293/314 transitions.
Stuttering acceptance computed with spot in 393 ms :[(NOT p2), (OR (AND (NOT p0) (NOT p2)) (AND p1 (NOT p2))), (NOT p2), (OR (AND (NOT p0) (NOT p2)) (AND p1 (NOT p2))), (AND (NOT p2) p1), true, p1, (OR (NOT p0) p1)]
Running random walk in product with property : DES-PT-30b-LTLFireability-09
Stuttering criterion allowed to conclude after 96 steps with 0 reset in 0 ms.
FORMULA DES-PT-30b-LTLFireability-09 FALSE TECHNIQUES STUTTER_TEST
Treatment of property DES-PT-30b-LTLFireability-09 finished in 62245 ms.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202505121319/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!(X((p0||X((X(G(!p1)) U (p0&&X(G(!p1))))))))'
Support contains 4 out of 367 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 367/367 places, 314/314 transitions.
Discarding 7 places :
Symmetric choice reduction at 0 with 7 rule applications. Total rules 7 place count 360 transition count 307
Iterating global reduction 0 with 7 rules applied. Total rules applied 14 place count 360 transition count 307
Ensure Unique test removed 3 transitions
Reduce isomorphic transitions removed 3 transitions.
Iterating post reduction 0 with 3 rules applied. Total rules applied 17 place count 360 transition count 304
Discarding 3 places :
Symmetric choice reduction at 1 with 3 rule applications. Total rules 20 place count 357 transition count 301
Iterating global reduction 1 with 3 rules applied. Total rules applied 23 place count 357 transition count 301
Ensure Unique test removed 2 transitions
Reduce isomorphic transitions removed 2 transitions.
Iterating post reduction 1 with 2 rules applied. Total rules applied 25 place count 357 transition count 299
Applied a total of 25 rules in 34 ms. Remains 357 /367 variables (removed 10) and now considering 299/314 (removed 15) transitions.
// Phase 1: matrix 299 rows 357 cols
[2025-05-31 19:09:02] [INFO ] Computed 62 invariants in 7 ms
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-05-31 19:09:03] [INFO ] Implicit Places using invariants in 504 ms returned []
[2025-05-31 19:09:03] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-05-31 19:09:04] [INFO ] Implicit Places using invariants and state equation in 972 ms returned []
Implicit Place search using SMT with State Equation took 1478 ms to find 0 implicit places.
Running 298 sub problems to find dead transitions.
[2025-05-31 19:09:04] [INFO ] Invariant cache hit.
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/356 variables, 17/17 constraints. Problems are: Problem set: 0 solved, 298 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/356 variables, 0/17 constraints. Problems are: Problem set: 0 solved, 298 unsolved
At refinement iteration 2 (OVERLAPS) 1/357 variables, 33/50 constraints. Problems are: Problem set: 0 solved, 298 unsolved
All remaining problems are real, not stopping.
At refinement iteration 3 (INCLUDED_ONLY) 0/357 variables, 12/62 constraints. Problems are: Problem set: 0 solved, 298 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/357 variables, 0/62 constraints. Problems are: Problem set: 0 solved, 298 unsolved
At refinement iteration 5 (OVERLAPS) 299/656 variables, 357/419 constraints. Problems are: Problem set: 0 solved, 298 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 19:09:20] [INFO ] Deduced a trap composed of 10 places in 158 ms of which 21 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 19:09:21] [INFO ] Deduced a trap composed of 29 places in 116 ms of which 22 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 19:09:21] [INFO ] Deduced a trap composed of 12 places in 209 ms of which 19 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 19:09:21] [INFO ] Deduced a trap composed of 13 places in 207 ms of which 17 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 19:09:22] [INFO ] Deduced a trap composed of 19 places in 179 ms of which 14 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 19:09:22] [INFO ] Deduced a trap composed of 24 places in 149 ms of which 19 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 19:09:22] [INFO ] Deduced a trap composed of 30 places in 144 ms of which 8 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 19:09:22] [INFO ] Deduced a trap composed of 21 places in 182 ms of which 15 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 19:09:23] [INFO ] Deduced a trap composed of 14 places in 105 ms of which 8 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 19:09:23] [INFO ] Deduced a trap composed of 23 places in 138 ms of which 11 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 19:09:23] [INFO ] Deduced a trap composed of 17 places in 64 ms of which 5 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 19:09:23] [INFO ] Deduced a trap composed of 18 places in 97 ms of which 9 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 19:09:24] [INFO ] Deduced a trap composed of 8 places in 220 ms of which 15 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 19:09:25] [INFO ] Deduced a trap composed of 10 places in 283 ms of which 20 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 19:09:25] [INFO ] Deduced a trap composed of 11 places in 242 ms of which 17 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 19:09:25] [INFO ] Deduced a trap composed of 14 places in 212 ms of which 17 ms to minimize.
At refinement iteration 6 (INCLUDED_ONLY) 0/656 variables, 16/435 constraints. Problems are: Problem set: 0 solved, 298 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Real declared 656/656 variables, and 435 constraints, problems are : Problem set: 0 solved, 298 unsolved in 30021 ms.
Refiners :[Positive P Invariants (semi-flows): 33/33 constraints, Generalized P Invariants (flows): 29/29 constraints, State Equation: 357/357 constraints, PredecessorRefiner: 298/298 constraints, Known Traps: 16/16 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 298 unsolved
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/356 variables, 17/17 constraints. Problems are: Problem set: 0 solved, 298 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/356 variables, 0/17 constraints. Problems are: Problem set: 0 solved, 298 unsolved
At refinement iteration 2 (OVERLAPS) 1/357 variables, 33/50 constraints. Problems are: Problem set: 0 solved, 298 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/357 variables, 12/62 constraints. Problems are: Problem set: 0 solved, 298 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/357 variables, 16/78 constraints. Problems are: Problem set: 0 solved, 298 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 19:09:39] [INFO ] Deduced a trap composed of 13 places in 95 ms of which 6 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 19:09:39] [INFO ] Deduced a trap composed of 17 places in 99 ms of which 10 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 19:09:39] [INFO ] Deduced a trap composed of 17 places in 89 ms of which 9 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 19:09:39] [INFO ] Deduced a trap composed of 18 places in 119 ms of which 18 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 19:09:40] [INFO ] Deduced a trap composed of 19 places in 105 ms of which 17 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 19:09:40] [INFO ] Deduced a trap composed of 20 places in 109 ms of which 17 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 19:09:40] [INFO ] Deduced a trap composed of 21 places in 103 ms of which 16 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 19:09:40] [INFO ] Deduced a trap composed of 22 places in 98 ms of which 16 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 19:09:40] [INFO ] Deduced a trap composed of 19 places in 108 ms of which 15 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 19:09:40] [INFO ] Deduced a trap composed of 20 places in 99 ms of which 16 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 19:09:40] [INFO ] Deduced a trap composed of 20 places in 101 ms of which 17 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 19:09:40] [INFO ] Deduced a trap composed of 21 places in 103 ms of which 15 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 19:09:41] [INFO ] Deduced a trap composed of 21 places in 98 ms of which 17 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 19:09:41] [INFO ] Deduced a trap composed of 22 places in 91 ms of which 15 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 19:09:41] [INFO ] Deduced a trap composed of 22 places in 92 ms of which 17 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 19:09:41] [INFO ] Deduced a trap composed of 23 places in 87 ms of which 14 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 19:09:41] [INFO ] Deduced a trap composed of 23 places in 93 ms of which 15 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 19:09:41] [INFO ] Deduced a trap composed of 23 places in 89 ms of which 12 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 19:09:41] [INFO ] Deduced a trap composed of 24 places in 81 ms of which 14 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 19:09:42] [INFO ] Deduced a trap composed of 20 places in 86 ms of which 7 ms to minimize.
At refinement iteration 5 (INCLUDED_ONLY) 0/357 variables, 20/98 constraints. Problems are: Problem set: 0 solved, 298 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 19:09:43] [INFO ] Deduced a trap composed of 22 places in 118 ms of which 9 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 19:09:43] [INFO ] Deduced a trap composed of 13 places in 56 ms of which 6 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 19:09:43] [INFO ] Deduced a trap composed of 14 places in 55 ms of which 7 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 19:09:44] [INFO ] Deduced a trap composed of 10 places in 55 ms of which 7 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 19:09:44] [INFO ] Deduced a trap composed of 11 places in 49 ms of which 6 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 19:09:44] [INFO ] Deduced a trap composed of 14 places in 50 ms of which 3 ms to minimize.
At refinement iteration 6 (INCLUDED_ONLY) 0/357 variables, 6/104 constraints. Problems are: Problem set: 0 solved, 298 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 19:09:47] [INFO ] Deduced a trap composed of 29 places in 144 ms of which 17 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 19:09:47] [INFO ] Deduced a trap composed of 32 places in 136 ms of which 12 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 19:09:48] [INFO ] Deduced a trap composed of 21 places in 40 ms of which 3 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 19:09:48] [INFO ] Deduced a trap composed of 18 places in 140 ms of which 12 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 19:09:48] [INFO ] Deduced a trap composed of 7 places in 162 ms of which 8 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 19:09:49] [INFO ] Deduced a trap composed of 12 places in 93 ms of which 8 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 19:09:49] [INFO ] Deduced a trap composed of 15 places in 98 ms of which 9 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 19:09:49] [INFO ] Deduced a trap composed of 9 places in 88 ms of which 8 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 19:09:49] [INFO ] Deduced a trap composed of 9 places in 83 ms of which 8 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 19:09:49] [INFO ] Deduced a trap composed of 9 places in 102 ms of which 10 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 19:09:49] [INFO ] Deduced a trap composed of 16 places in 104 ms of which 11 ms to minimize.
At refinement iteration 7 (INCLUDED_ONLY) 0/357 variables, 11/115 constraints. Problems are: Problem set: 0 solved, 298 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/357 variables, 0/115 constraints. Problems are: Problem set: 0 solved, 298 unsolved
At refinement iteration 9 (OVERLAPS) 299/656 variables, 357/472 constraints. Problems are: Problem set: 0 solved, 298 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/656 variables, 298/770 constraints. Problems are: Problem set: 0 solved, 298 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 656/656 variables, and 770 constraints, problems are : Problem set: 0 solved, 298 unsolved in 30015 ms.
Refiners :[Positive P Invariants (semi-flows): 33/33 constraints, Generalized P Invariants (flows): 29/29 constraints, State Equation: 357/357 constraints, PredecessorRefiner: 298/298 constraints, Known Traps: 53/53 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 60078ms problems are : Problem set: 0 solved, 298 unsolved
Search for dead transitions found 0 dead transitions in 60079ms
Starting structural reductions in LTL mode, iteration 1 : 357/367 places, 299/314 transitions.
Finished structural reductions in LTL mode , in 1 iterations and 61593 ms. Remains : 357/367 places, 299/314 transitions.
Stuttering acceptance computed with spot in 156 ms :[(NOT p0), (NOT p0), (OR (NOT p0) p1), p1, true]
Running random walk in product with property : DES-PT-30b-LTLFireability-10
Entered a terminal (fully accepting) state of product in 4 steps with 0 reset in 0 ms.
FORMULA DES-PT-30b-LTLFireability-10 FALSE TECHNIQUES STUTTER_TEST
Treatment of property DES-PT-30b-LTLFireability-10 finished in 61772 ms.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202505121319/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!(G((F(p0)&&F(p1))))'
Support contains 2 out of 367 places. Attempting structural reductions.
Starting structural reductions in SI_LTL mode, iteration 0 : 367/367 places, 314/314 transitions.
Graph (complete) has 799 edges and 367 vertex of which 360 are kept as prefixes of interest. Removing 7 places using SCC suffix rule.1 ms
Discarding 7 places :
Also discarding 4 output transitions
Drop transitions (Output transitions of discarded places.) removed 4 transitions
Reduce places removed 1 places and 1 transitions.
Drop transitions (Trivial Post-Agglo cleanup.) removed 15 transitions
Trivial Post-agglo rules discarded 15 transitions
Performed 15 trivial Post agglomeration. Transition count delta: 15
Iterating post reduction 0 with 15 rules applied. Total rules applied 16 place count 359 transition count 294
Reduce places removed 15 places and 0 transitions.
Ensure Unique test removed 1 transitions
Reduce isomorphic transitions removed 1 transitions.
Iterating post reduction 1 with 16 rules applied. Total rules applied 32 place count 344 transition count 293
Performed 10 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 2 with 10 Pre rules applied. Total rules applied 32 place count 344 transition count 283
Deduced a syphon composed of 10 places in 0 ms
Reduce places removed 10 places and 0 transitions.
Iterating global reduction 2 with 20 rules applied. Total rules applied 52 place count 334 transition count 283
Discarding 6 places :
Symmetric choice reduction at 2 with 6 rule applications. Total rules 58 place count 328 transition count 277
Iterating global reduction 2 with 6 rules applied. Total rules applied 64 place count 328 transition count 277
Ensure Unique test removed 2 transitions
Reduce isomorphic transitions removed 2 transitions.
Iterating post reduction 2 with 2 rules applied. Total rules applied 66 place count 328 transition count 275
Performed 1 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 3 with 1 Pre rules applied. Total rules applied 66 place count 328 transition count 274
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 68 place count 327 transition count 274
Discarding 4 places :
Symmetric choice reduction at 3 with 4 rule applications. Total rules 72 place count 323 transition count 270
Iterating global reduction 3 with 4 rules applied. Total rules applied 76 place count 323 transition count 270
Ensure Unique test removed 3 transitions
Reduce isomorphic transitions removed 3 transitions.
Iterating post reduction 3 with 3 rules applied. Total rules applied 79 place count 323 transition count 267
Performed 1 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 4 with 1 Pre rules applied. Total rules applied 79 place count 323 transition count 266
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 81 place count 322 transition count 266
Performed 76 Post agglomeration using F-continuation condition.Transition count delta: 76
Deduced a syphon composed of 76 places in 0 ms
Reduce places removed 76 places and 0 transitions.
Iterating global reduction 4 with 152 rules applied. Total rules applied 233 place count 246 transition count 190
Performed 3 Post agglomeration using F-continuation condition.Transition count delta: -3
Deduced a syphon composed of 3 places in 0 ms
Reduce places removed 3 places and 0 transitions.
Iterating global reduction 4 with 6 rules applied. Total rules applied 239 place count 243 transition count 193
Reduce places removed 2 places and 2 transitions.
Iterating global reduction 4 with 2 rules applied. Total rules applied 241 place count 241 transition count 191
Reduce places removed 1 places and 0 transitions.
Iterating post reduction 4 with 1 rules applied. Total rules applied 242 place count 240 transition count 191
Applied a total of 242 rules in 57 ms. Remains 240 /367 variables (removed 127) and now considering 191/314 (removed 123) transitions.
// Phase 1: matrix 191 rows 240 cols
[2025-05-31 19:10:04] [INFO ] Computed 58 invariants in 2 ms
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-05-31 19:10:04] [INFO ] Implicit Places using invariants in 302 ms returned []
[2025-05-31 19:10:04] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-05-31 19:10:05] [INFO ] Implicit Places using invariants and state equation in 608 ms returned []
Implicit Place search using SMT with State Equation took 912 ms to find 0 implicit places.
Starting Z3 with timeout 200.0 s and query timeout 20000.0 ms
[2025-05-31 19:10:05] [INFO ] Redundant transitions in 1 ms returned []
Running 188 sub problems to find dead transitions.
[2025-05-31 19:10:05] [INFO ] Invariant cache hit.
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/237 variables, 33/33 constraints. Problems are: Problem set: 0 solved, 188 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/237 variables, 18/51 constraints. Problems are: Problem set: 0 solved, 188 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/237 variables, 0/51 constraints. Problems are: Problem set: 0 solved, 188 unsolved
At refinement iteration 3 (OVERLAPS) 2/239 variables, 7/58 constraints. Problems are: Problem set: 0 solved, 188 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/239 variables, 0/58 constraints. Problems are: Problem set: 0 solved, 188 unsolved
At refinement iteration 5 (OVERLAPS) 191/430 variables, 239/297 constraints. Problems are: Problem set: 0 solved, 188 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 19:10:14] [INFO ] Deduced a trap composed of 16 places in 87 ms of which 7 ms to minimize.
At refinement iteration 6 (INCLUDED_ONLY) 0/430 variables, 1/298 constraints. Problems are: Problem set: 0 solved, 188 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 19:10:18] [INFO ] Deduced a trap composed of 13 places in 112 ms of which 11 ms to minimize.
At refinement iteration 7 (INCLUDED_ONLY) 0/430 variables, 1/299 constraints. Problems are: Problem set: 0 solved, 188 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/430 variables, 0/299 constraints. Problems are: Problem set: 0 solved, 188 unsolved
At refinement iteration 9 (OVERLAPS) 1/431 variables, 1/300 constraints. Problems are: Problem set: 0 solved, 188 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 19:10:30] [INFO ] Deduced a trap composed of 17 places in 135 ms of which 16 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 19:10:30] [INFO ] Deduced a trap composed of 18 places in 155 ms of which 15 ms to minimize.
At refinement iteration 10 (INCLUDED_ONLY) 0/431 variables, 2/302 constraints. Problems are: Problem set: 0 solved, 188 unsolved
Error getting values : (error "ParserException while parsing response: (timeout
org.smtlib.IParser$ParserException: Unbalanced parentheses at end of input")
Solver is answering 'unknown', stopping.
After SMT solving in domain Real declared 431/431 variables, and 302 constraints, problems are : Problem set: 0 solved, 188 unsolved in 30011 ms.
Refiners :[Positive P Invariants (semi-flows): 33/33 constraints, Generalized P Invariants (flows): 25/25 constraints, State Equation: 240/240 constraints, PredecessorRefiner: 188/188 constraints, Known Traps: 4/4 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 188 unsolved
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/237 variables, 33/33 constraints. Problems are: Problem set: 0 solved, 188 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/237 variables, 18/51 constraints. Problems are: Problem set: 0 solved, 188 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/237 variables, 3/54 constraints. Problems are: Problem set: 0 solved, 188 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/237 variables, 0/54 constraints. Problems are: Problem set: 0 solved, 188 unsolved
At refinement iteration 4 (OVERLAPS) 2/239 variables, 7/61 constraints. Problems are: Problem set: 0 solved, 188 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/239 variables, 1/62 constraints. Problems are: Problem set: 0 solved, 188 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/239 variables, 0/62 constraints. Problems are: Problem set: 0 solved, 188 unsolved
At refinement iteration 7 (OVERLAPS) 191/430 variables, 239/301 constraints. Problems are: Problem set: 0 solved, 188 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/430 variables, 188/489 constraints. Problems are: Problem set: 0 solved, 188 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 430/431 variables, and 489 constraints, problems are : Problem set: 0 solved, 188 unsolved in 30019 ms.
Refiners :[Positive P Invariants (semi-flows): 33/33 constraints, Generalized P Invariants (flows): 25/25 constraints, State Equation: 239/240 constraints, PredecessorRefiner: 188/188 constraints, Known Traps: 4/4 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 60074ms problems are : Problem set: 0 solved, 188 unsolved
Search for dead transitions found 0 dead transitions in 60075ms
Starting structural reductions in SI_LTL mode, iteration 1 : 240/367 places, 191/314 transitions.
Finished structural reductions in SI_LTL mode , in 1 iterations and 61050 ms. Remains : 240/367 places, 191/314 transitions.
Stuttering acceptance computed with spot in 168 ms :[(OR (NOT p0) (NOT p1)), (NOT p0), (NOT p1)]
Running random walk in product with property : DES-PT-30b-LTLFireability-11
Product exploration explored 100000 steps with 11241 reset in 409 ms.
Product exploration explored 100000 steps with 11256 reset in 425 ms.
Computed a total of 134 stabilizing places and 129 stable transitions
Computed a total of 134 stabilizing places and 129 stable transitions
Knowledge obtained : [(AND p0 p1), (X p1), (X p0), (X (X p1))]
False Knowledge obtained : [(X (X (NOT p0))), (X (X p0))]
Knowledge based reduction with 4 factoid took 118 ms. Reduced automaton from 3 states, 5 edges and 2 AP (stutter insensitive) to 3 states, 5 edges and 2 AP (stutter insensitive).
Stuttering acceptance computed with spot in 98 ms :[(OR (NOT p0) (NOT p1)), (NOT p0), (NOT p1)]
RANDOM walk for 114 steps (4 resets) in 5 ms. (19 steps per ms) remains 0/2 properties
Knowledge obtained : [(AND p0 p1), (X p1), (X p0), (X (X p1))]
False Knowledge obtained : [(X (X (NOT p0))), (X (X p0)), (F (NOT p1)), (F (NOT p0))]
Knowledge based reduction with 4 factoid took 160 ms. Reduced automaton from 3 states, 5 edges and 2 AP (stutter insensitive) to 3 states, 5 edges and 2 AP (stutter insensitive).
Stuttering acceptance computed with spot in 134 ms :[(OR (NOT p0) (NOT p1)), (NOT p0), (NOT p1)]
Stuttering acceptance computed with spot in 143 ms :[(OR (NOT p0) (NOT p1)), (NOT p0), (NOT p1)]
Support contains 2 out of 240 places. Attempting structural reductions.
Starting structural reductions in SI_LTL mode, iteration 0 : 240/240 places, 191/191 transitions.
Applied a total of 0 rules in 8 ms. Remains 240 /240 variables (removed 0) and now considering 191/191 (removed 0) transitions.
[2025-05-31 19:11:07] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-05-31 19:11:07] [INFO ] Implicit Places using invariants in 386 ms returned []
[2025-05-31 19:11:07] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-05-31 19:11:08] [INFO ] Implicit Places using invariants and state equation in 675 ms returned []
Implicit Place search using SMT with State Equation took 1063 ms to find 0 implicit places.
Starting Z3 with timeout 200.0 s and query timeout 20000.0 ms
[2025-05-31 19:11:08] [INFO ] Redundant transitions in 1 ms returned []
Running 188 sub problems to find dead transitions.
[2025-05-31 19:11:08] [INFO ] Invariant cache hit.
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/237 variables, 33/33 constraints. Problems are: Problem set: 0 solved, 188 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/237 variables, 18/51 constraints. Problems are: Problem set: 0 solved, 188 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/237 variables, 0/51 constraints. Problems are: Problem set: 0 solved, 188 unsolved
At refinement iteration 3 (OVERLAPS) 2/239 variables, 7/58 constraints. Problems are: Problem set: 0 solved, 188 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/239 variables, 0/58 constraints. Problems are: Problem set: 0 solved, 188 unsolved
At refinement iteration 5 (OVERLAPS) 191/430 variables, 239/297 constraints. Problems are: Problem set: 0 solved, 188 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 19:11:17] [INFO ] Deduced a trap composed of 16 places in 96 ms of which 7 ms to minimize.
At refinement iteration 6 (INCLUDED_ONLY) 0/430 variables, 1/298 constraints. Problems are: Problem set: 0 solved, 188 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 19:11:21] [INFO ] Deduced a trap composed of 13 places in 113 ms of which 13 ms to minimize.
At refinement iteration 7 (INCLUDED_ONLY) 0/430 variables, 1/299 constraints. Problems are: Problem set: 0 solved, 188 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/430 variables, 0/299 constraints. Problems are: Problem set: 0 solved, 188 unsolved
At refinement iteration 9 (OVERLAPS) 1/431 variables, 1/300 constraints. Problems are: Problem set: 0 solved, 188 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 19:11:33] [INFO ] Deduced a trap composed of 17 places in 141 ms of which 16 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 19:11:33] [INFO ] Deduced a trap composed of 18 places in 157 ms of which 15 ms to minimize.
At refinement iteration 10 (INCLUDED_ONLY) 0/431 variables, 2/302 constraints. Problems are: Problem set: 0 solved, 188 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Real declared 431/431 variables, and 302 constraints, problems are : Problem set: 0 solved, 188 unsolved in 30015 ms.
Refiners :[Positive P Invariants (semi-flows): 33/33 constraints, Generalized P Invariants (flows): 25/25 constraints, State Equation: 240/240 constraints, PredecessorRefiner: 188/188 constraints, Known Traps: 4/4 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 188 unsolved
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/237 variables, 33/33 constraints. Problems are: Problem set: 0 solved, 188 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/237 variables, 18/51 constraints. Problems are: Problem set: 0 solved, 188 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/237 variables, 3/54 constraints. Problems are: Problem set: 0 solved, 188 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/237 variables, 0/54 constraints. Problems are: Problem set: 0 solved, 188 unsolved
At refinement iteration 4 (OVERLAPS) 2/239 variables, 7/61 constraints. Problems are: Problem set: 0 solved, 188 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/239 variables, 1/62 constraints. Problems are: Problem set: 0 solved, 188 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/239 variables, 0/62 constraints. Problems are: Problem set: 0 solved, 188 unsolved
At refinement iteration 7 (OVERLAPS) 191/430 variables, 239/301 constraints. Problems are: Problem set: 0 solved, 188 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/430 variables, 188/489 constraints. Problems are: Problem set: 0 solved, 188 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 430/431 variables, and 489 constraints, problems are : Problem set: 0 solved, 188 unsolved in 30015 ms.
Refiners :[Positive P Invariants (semi-flows): 33/33 constraints, Generalized P Invariants (flows): 25/25 constraints, State Equation: 239/240 constraints, PredecessorRefiner: 188/188 constraints, Known Traps: 4/4 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 60085ms problems are : Problem set: 0 solved, 188 unsolved
Search for dead transitions found 0 dead transitions in 60085ms
Finished structural reductions in SI_LTL mode , in 1 iterations and 61164 ms. Remains : 240/240 places, 191/191 transitions.
Computed a total of 134 stabilizing places and 129 stable transitions
Computed a total of 134 stabilizing places and 129 stable transitions
Knowledge obtained : [(AND p0 p1), (X p1), (X p0), (X (X p1))]
False Knowledge obtained : [(X (X (NOT p0))), (X (X p0))]
Knowledge based reduction with 4 factoid took 169 ms. Reduced automaton from 3 states, 5 edges and 2 AP (stutter insensitive) to 3 states, 5 edges and 2 AP (stutter insensitive).
Stuttering acceptance computed with spot in 134 ms :[(OR (NOT p0) (NOT p1)), (NOT p0), (NOT p1)]
RANDOM walk for 72 steps (2 resets) in 5 ms. (12 steps per ms) remains 0/2 properties
Knowledge obtained : [(AND p0 p1), (X p1), (X p0), (X (X p1))]
False Knowledge obtained : [(X (X (NOT p0))), (X (X p0)), (F (NOT p1)), (F (NOT p0))]
Knowledge based reduction with 4 factoid took 227 ms. Reduced automaton from 3 states, 5 edges and 2 AP (stutter insensitive) to 3 states, 5 edges and 2 AP (stutter insensitive).
Stuttering acceptance computed with spot in 143 ms :[(OR (NOT p0) (NOT p1)), (NOT p0), (NOT p1)]
Stuttering acceptance computed with spot in 150 ms :[(OR (NOT p0) (NOT p1)), (NOT p0), (NOT p1)]
Stuttering acceptance computed with spot in 143 ms :[(OR (NOT p0) (NOT p1)), (NOT p0), (NOT p1)]
Product exploration explored 100000 steps with 11376 reset in 418 ms.
Product exploration explored 100000 steps with 11302 reset in 490 ms.
Built C files in :
/tmp/ltsmin9064678844640567546
[2025-05-31 19:12:10] [INFO ] Computing symmetric may disable matrix : 191 transitions.
[2025-05-31 19:12:10] [INFO ] Computation of Complete disable matrix. took 3 ms. Total solver calls (SAT/UNSAT): 0(0/0)
[2025-05-31 19:12:10] [INFO ] Computing symmetric may enable matrix : 191 transitions.
[2025-05-31 19:12:10] [INFO ] Computation of Complete enable matrix. took 2 ms. Total solver calls (SAT/UNSAT): 0(0/0)
[2025-05-31 19:12:10] [INFO ] Computing Do-Not-Accords matrix : 191 transitions.
[2025-05-31 19:12:10] [INFO ] Computation of Completed DNA matrix. took 6 ms. Total solver calls (SAT/UNSAT): 0(0/0)
[2025-05-31 19:12:10] [INFO ] Built C files in 34ms conformant to PINS (ltsmin variant)in folder :/tmp/ltsmin9064678844640567546
Running compilation step : cd /tmp/ltsmin9064678844640567546;'/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.ltsmin.binaries_1.0.0.202505121319/bin/limit_time.pl' '3' 'gcc' '-c' '-I/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.ltsmin.binaries_1.0.0.202505121319/bin/include/' '-I.' '-std=c99' '-fPIC' '-O0' 'model.c'
Compilation finished in 842 ms.
Running link step : cd /tmp/ltsmin9064678844640567546;'gcc' '-shared' '-o' 'gal.so' 'model.o'
Link finished in 34 ms.
Running LTSmin : cd /tmp/ltsmin9064678844640567546;'/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.ltsmin.binaries_1.0.0.202505121319/bin/pins2lts-mc-linux64' './gal.so' '--threads=8' '-p' '--pins-guards' '--when' '--hoa' '/tmp/stateBased17461171716147676624.hoa' '--buchi-type=spotba'
WARNING : LTS min runner thread was asked to interrupt. Dying gracefully.
Support contains 2 out of 240 places. Attempting structural reductions.
Starting structural reductions in SI_LTL mode, iteration 0 : 240/240 places, 191/191 transitions.
Applied a total of 0 rules in 5 ms. Remains 240 /240 variables (removed 0) and now considering 191/191 (removed 0) transitions.
[2025-05-31 19:12:25] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-05-31 19:12:25] [INFO ] Implicit Places using invariants in 269 ms returned []
[2025-05-31 19:12:25] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-05-31 19:12:26] [INFO ] Implicit Places using invariants and state equation in 557 ms returned []
Implicit Place search using SMT with State Equation took 827 ms to find 0 implicit places.
Starting Z3 with timeout 200.0 s and query timeout 20000.0 ms
[2025-05-31 19:12:26] [INFO ] Redundant transitions in 1 ms returned []
Running 188 sub problems to find dead transitions.
[2025-05-31 19:12:26] [INFO ] Invariant cache hit.
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/237 variables, 33/33 constraints. Problems are: Problem set: 0 solved, 188 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/237 variables, 18/51 constraints. Problems are: Problem set: 0 solved, 188 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/237 variables, 0/51 constraints. Problems are: Problem set: 0 solved, 188 unsolved
At refinement iteration 3 (OVERLAPS) 2/239 variables, 7/58 constraints. Problems are: Problem set: 0 solved, 188 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/239 variables, 0/58 constraints. Problems are: Problem set: 0 solved, 188 unsolved
At refinement iteration 5 (OVERLAPS) 191/430 variables, 239/297 constraints. Problems are: Problem set: 0 solved, 188 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 19:12:34] [INFO ] Deduced a trap composed of 16 places in 83 ms of which 6 ms to minimize.
At refinement iteration 6 (INCLUDED_ONLY) 0/430 variables, 1/298 constraints. Problems are: Problem set: 0 solved, 188 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 19:12:38] [INFO ] Deduced a trap composed of 13 places in 105 ms of which 11 ms to minimize.
At refinement iteration 7 (INCLUDED_ONLY) 0/430 variables, 1/299 constraints. Problems are: Problem set: 0 solved, 188 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/430 variables, 0/299 constraints. Problems are: Problem set: 0 solved, 188 unsolved
At refinement iteration 9 (OVERLAPS) 1/431 variables, 1/300 constraints. Problems are: Problem set: 0 solved, 188 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 19:12:49] [INFO ] Deduced a trap composed of 17 places in 132 ms of which 17 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 19:12:49] [INFO ] Deduced a trap composed of 18 places in 149 ms of which 15 ms to minimize.
At refinement iteration 10 (INCLUDED_ONLY) 0/431 variables, 2/302 constraints. Problems are: Problem set: 0 solved, 188 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Real declared 431/431 variables, and 302 constraints, problems are : Problem set: 0 solved, 188 unsolved in 30012 ms.
Refiners :[Positive P Invariants (semi-flows): 33/33 constraints, Generalized P Invariants (flows): 25/25 constraints, State Equation: 240/240 constraints, PredecessorRefiner: 188/188 constraints, Known Traps: 4/4 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 188 unsolved
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/237 variables, 33/33 constraints. Problems are: Problem set: 0 solved, 188 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/237 variables, 18/51 constraints. Problems are: Problem set: 0 solved, 188 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/237 variables, 3/54 constraints. Problems are: Problem set: 0 solved, 188 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/237 variables, 0/54 constraints. Problems are: Problem set: 0 solved, 188 unsolved
At refinement iteration 4 (OVERLAPS) 2/239 variables, 7/61 constraints. Problems are: Problem set: 0 solved, 188 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/239 variables, 1/62 constraints. Problems are: Problem set: 0 solved, 188 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/239 variables, 0/62 constraints. Problems are: Problem set: 0 solved, 188 unsolved
At refinement iteration 7 (OVERLAPS) 191/430 variables, 239/301 constraints. Problems are: Problem set: 0 solved, 188 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/430 variables, 188/489 constraints. Problems are: Problem set: 0 solved, 188 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 430/431 variables, and 489 constraints, problems are : Problem set: 0 solved, 188 unsolved in 30013 ms.
Refiners :[Positive P Invariants (semi-flows): 33/33 constraints, Generalized P Invariants (flows): 25/25 constraints, State Equation: 239/240 constraints, PredecessorRefiner: 188/188 constraints, Known Traps: 4/4 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 60066ms problems are : Problem set: 0 solved, 188 unsolved
Search for dead transitions found 0 dead transitions in 60067ms
Finished structural reductions in SI_LTL mode , in 1 iterations and 60912 ms. Remains : 240/240 places, 191/191 transitions.
Built C files in :
/tmp/ltsmin13609697216906291390
[2025-05-31 19:13:26] [INFO ] Computing symmetric may disable matrix : 191 transitions.
[2025-05-31 19:13:26] [INFO ] Computation of Complete disable matrix. took 2 ms. Total solver calls (SAT/UNSAT): 0(0/0)
[2025-05-31 19:13:26] [INFO ] Computing symmetric may enable matrix : 191 transitions.
[2025-05-31 19:13:26] [INFO ] Computation of Complete enable matrix. took 0 ms. Total solver calls (SAT/UNSAT): 0(0/0)
[2025-05-31 19:13:26] [INFO ] Computing Do-Not-Accords matrix : 191 transitions.
[2025-05-31 19:13:26] [INFO ] Computation of Completed DNA matrix. took 4 ms. Total solver calls (SAT/UNSAT): 0(0/0)
[2025-05-31 19:13:26] [INFO ] Built C files in 22ms conformant to PINS (ltsmin variant)in folder :/tmp/ltsmin13609697216906291390
Running compilation step : cd /tmp/ltsmin13609697216906291390;'/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.ltsmin.binaries_1.0.0.202505121319/bin/limit_time.pl' '3' 'gcc' '-c' '-I/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.ltsmin.binaries_1.0.0.202505121319/bin/include/' '-I.' '-std=c99' '-fPIC' '-O0' 'model.c'
Compilation finished in 797 ms.
Running link step : cd /tmp/ltsmin13609697216906291390;'gcc' '-shared' '-o' 'gal.so' 'model.o'
Link finished in 34 ms.
Running LTSmin : cd /tmp/ltsmin13609697216906291390;'/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.ltsmin.binaries_1.0.0.202505121319/bin/pins2lts-mc-linux64' './gal.so' '--threads=8' '-p' '--pins-guards' '--when' '--hoa' '/tmp/stateBased1787393370293406969.hoa' '--buchi-type=spotba'
WARNING : LTS min runner thread was asked to interrupt. Dying gracefully.
[2025-05-31 19:13:41] [INFO ] Flatten gal took : 19 ms
[2025-05-31 19:13:41] [INFO ] Flatten gal took : 14 ms
[2025-05-31 19:13:41] [INFO ] Time to serialize gal into /tmp/LTL17133330010748867334.gal : 3 ms
[2025-05-31 19:13:41] [INFO ] Time to serialize properties into /tmp/LTL5262563825386273422.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-ltl-linux64' '--gc-threshold' '2000000' '-i' '/tmp/LTL17133330010748867334.gal' '-t' 'CGAL' '-hoa' '/tmp/aut11148769346946910555.hoa' '-atoms' '/tmp/LTL5262563825386273422.prop' '-c' '-stutter-deadlock' '--gen-order' 'FOLLOW'
its-ltl command run as :
/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202505121319/bin/its-ltl-linux64 --gc-threshold 2000000 -i /tmp/L...319
Loading property file /tmp/LTL5262563825386273422.prop.
Loaded 2 atomic propositions.
Checking formula 0 provided in automaton : /tmp/aut11148769346946910555.hoa
Detected timeout of ITS tools.
[2025-05-31 19:13:56] [INFO ] Flatten gal took : 9 ms
[2025-05-31 19:13:56] [INFO ] Flatten gal took : 9 ms
[2025-05-31 19:13:56] [INFO ] Time to serialize gal into /tmp/LTL15329939328146697244.gal : 2 ms
[2025-05-31 19:13:56] [INFO ] Time to serialize properties into /tmp/LTL17564853940364100673.ltl : 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-ltl-linux64' '--gc-threshold' '2000000' '-i' '/tmp/LTL15329939328146697244.gal' '-t' 'CGAL' '-LTL' '/tmp/LTL17564853940364100673.ltl' '-c' '-stutter-deadlock' '--gen-order' 'FOLLOW'
its-ltl command run as :
/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202505121319/bin/its-ltl-linux64 --gc-threshold 2000000 -i /tmp/L...277
Read 1 LTL properties
Checking formula 0 : !((G((F("(p141==0)"))&&(F("(p179==0)")))))
Formula 0 simplified : F(G!"(p141==0)" | G!"(p179==0)")
Detected timeout of ITS tools.
[2025-05-31 19:14:11] [INFO ] Flatten gal took : 15 ms
[2025-05-31 19:14:11] [INFO ] Applying decomposition
[2025-05-31 19:14:11] [INFO ] Flatten gal took : 14 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/graph11915668714032097422.txt' '-o' '/tmp/graph11915668714032097422.bin' '-w' '/tmp/graph11915668714032097422.weights'
Built communities with : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.louvain.binaries_1.0.0.202505121319/bin/louvain-linux64' '/tmp/graph11915668714032097422.bin' '-l' '-1' '-v' '-w' '/tmp/graph11915668714032097422.weights' '-q' '0' '-e' '0.001'
[2025-05-31 19:14:11] [INFO ] Decomposing Gal with order
[2025-05-31 19:14:11] [INFO ] Rewriting arrays to variables to allow decomposition.
[2025-05-31 19:14:11] [INFO ] Removed a total of 43 redundant transitions.
[2025-05-31 19:14:11] [INFO ] Flatten gal took : 29 ms
[2025-05-31 19:14:11] [INFO ] Fuse similar labels procedure discarded/fused a total of 18 labels/synchronizations in 8 ms.
[2025-05-31 19:14:11] [INFO ] Time to serialize gal into /tmp/LTL11993620263569139959.gal : 7 ms
[2025-05-31 19:14:11] [INFO ] Time to serialize properties into /tmp/LTL15623273890495902968.ltl : 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-ltl-linux64' '--gc-threshold' '2000000' '-i' '/tmp/LTL11993620263569139959.gal' '-t' 'CGAL' '-LTL' '/tmp/LTL15623273890495902968.ltl' '-c' '-stutter-deadlock'
its-ltl command run as :
/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202505121319/bin/its-ltl-linux64 --gc-threshold 2000000 -i /tmp/L...256
Read 1 LTL properties
Checking formula 0 : !((G((F("(i1.i0.u0.p141==0)"))&&(F("(i12.i1.u4.p179==0)")))))
Formula 0 simplified : F(G!"(i1.i0.u0.p141==0)" | G!"(i12.i1.u4.p179==0)")
Reverse transition relation is NOT exact ! Due to transitions t305_t80, t7_t49_t40, t272_t35, t271_t26, t112_t113_t130_t313_t135_t136_t124_t125_t115, t112_...768
Computing Next relation with stutter on 1.01245e+08 deadlock states
Detected timeout of ITS tools.
Treatment of property DES-PT-30b-LTLFireability-11 finished in 262417 ms.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202505121319/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!(X((p0&&G(p1))))'
Support contains 6 out of 367 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 367/367 places, 314/314 transitions.
Discarding 9 places :
Symmetric choice reduction at 0 with 9 rule applications. Total rules 9 place count 358 transition count 305
Iterating global reduction 0 with 9 rules applied. Total rules applied 18 place count 358 transition count 305
Ensure Unique test removed 3 transitions
Reduce isomorphic transitions removed 3 transitions.
Iterating post reduction 0 with 3 rules applied. Total rules applied 21 place count 358 transition count 302
Discarding 5 places :
Symmetric choice reduction at 1 with 5 rule applications. Total rules 26 place count 353 transition count 297
Iterating global reduction 1 with 5 rules applied. Total rules applied 31 place count 353 transition count 297
Ensure Unique test removed 4 transitions
Reduce isomorphic transitions removed 4 transitions.
Iterating post reduction 1 with 4 rules applied. Total rules applied 35 place count 353 transition count 293
Applied a total of 35 rules in 20 ms. Remains 353 /367 variables (removed 14) and now considering 293/314 (removed 21) transitions.
// Phase 1: matrix 293 rows 353 cols
[2025-05-31 19:14:26] [INFO ] Computed 62 invariants in 7 ms
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-05-31 19:14:27] [INFO ] Implicit Places using invariants in 456 ms returned []
[2025-05-31 19:14:27] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-05-31 19:14:28] [INFO ] Implicit Places using invariants and state equation in 921 ms returned []
Implicit Place search using SMT with State Equation took 1379 ms to find 0 implicit places.
Running 292 sub problems to find dead transitions.
[2025-05-31 19:14:28] [INFO ] Invariant cache hit.
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/352 variables, 15/15 constraints. Problems are: Problem set: 0 solved, 292 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/352 variables, 0/15 constraints. Problems are: Problem set: 0 solved, 292 unsolved
At refinement iteration 2 (OVERLAPS) 1/353 variables, 33/48 constraints. Problems are: Problem set: 0 solved, 292 unsolved
All remaining problems are real, not stopping.
At refinement iteration 3 (INCLUDED_ONLY) 0/353 variables, 14/62 constraints. Problems are: Problem set: 0 solved, 292 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/353 variables, 0/62 constraints. Problems are: Problem set: 0 solved, 292 unsolved
At refinement iteration 5 (OVERLAPS) 293/646 variables, 353/415 constraints. Problems are: Problem set: 0 solved, 292 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 19:14:43] [INFO ] Deduced a trap composed of 10 places in 146 ms of which 9 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 19:14:43] [INFO ] Deduced a trap composed of 15 places in 109 ms of which 13 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 19:14:43] [INFO ] Deduced a trap composed of 29 places in 96 ms of which 11 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 19:14:44] [INFO ] Deduced a trap composed of 12 places in 163 ms of which 12 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 19:14:44] [INFO ] Deduced a trap composed of 13 places in 151 ms of which 12 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 19:14:44] [INFO ] Deduced a trap composed of 17 places in 129 ms of which 13 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 19:14:44] [INFO ] Deduced a trap composed of 18 places in 114 ms of which 8 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 19:14:44] [INFO ] Deduced a trap composed of 22 places in 131 ms of which 16 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 19:14:45] [INFO ] Deduced a trap composed of 23 places in 163 ms of which 18 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 19:14:45] [INFO ] Deduced a trap composed of 30 places in 139 ms of which 9 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 19:14:45] [INFO ] Deduced a trap composed of 23 places in 137 ms of which 22 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 19:14:45] [INFO ] Deduced a trap composed of 17 places in 158 ms of which 18 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 19:14:45] [INFO ] Deduced a trap composed of 17 places in 146 ms of which 16 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 19:14:46] [INFO ] Deduced a trap composed of 18 places in 154 ms of which 14 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 19:14:46] [INFO ] Deduced a trap composed of 18 places in 110 ms of which 9 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 19:14:46] [INFO ] Deduced a trap composed of 15 places in 83 ms of which 7 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 19:14:46] [INFO ] Deduced a trap composed of 16 places in 81 ms of which 8 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 19:14:47] [INFO ] Deduced a trap composed of 8 places in 272 ms of which 20 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 19:14:47] [INFO ] Deduced a trap composed of 14 places in 215 ms of which 18 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 19:14:48] [INFO ] Deduced a trap composed of 18 places in 135 ms of which 21 ms to minimize.
At refinement iteration 6 (INCLUDED_ONLY) 0/646 variables, 20/435 constraints. Problems are: Problem set: 0 solved, 292 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 19:14:50] [INFO ] Deduced a trap composed of 14 places in 114 ms of which 10 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 19:14:50] [INFO ] Deduced a trap composed of 18 places in 90 ms of which 10 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 19:14:50] [INFO ] Deduced a trap composed of 17 places in 91 ms of which 11 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 19:14:50] [INFO ] Deduced a trap composed of 19 places in 90 ms of which 11 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 19:14:50] [INFO ] Deduced a trap composed of 18 places in 91 ms of which 12 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 19:14:51] [INFO ] Deduced a trap composed of 20 places in 84 ms of which 11 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 19:14:51] [INFO ] Deduced a trap composed of 19 places in 82 ms of which 11 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 19:14:51] [INFO ] Deduced a trap composed of 21 places in 83 ms of which 8 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 19:14:51] [INFO ] Deduced a trap composed of 20 places in 78 ms of which 12 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 19:14:51] [INFO ] Deduced a trap composed of 22 places in 68 ms of which 9 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 19:14:51] [INFO ] Deduced a trap composed of 21 places in 73 ms of which 12 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 19:14:51] [INFO ] Deduced a trap composed of 23 places in 62 ms of which 7 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 19:14:54] [INFO ] Deduced a trap composed of 9 places in 76 ms of which 9 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 19:14:55] [INFO ] Deduced a trap composed of 10 places in 75 ms of which 5 ms to minimize.
At refinement iteration 7 (INCLUDED_ONLY) 0/646 variables, 14/449 constraints. Problems are: Problem set: 0 solved, 292 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Real declared 646/646 variables, and 449 constraints, problems are : Problem set: 0 solved, 292 unsolved in 30024 ms.
Refiners :[Positive P Invariants (semi-flows): 33/33 constraints, Generalized P Invariants (flows): 29/29 constraints, State Equation: 353/353 constraints, PredecessorRefiner: 292/292 constraints, Known Traps: 34/34 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 292 unsolved
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/352 variables, 15/15 constraints. Problems are: Problem set: 0 solved, 292 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/352 variables, 0/15 constraints. Problems are: Problem set: 0 solved, 292 unsolved
At refinement iteration 2 (OVERLAPS) 1/353 variables, 33/48 constraints. Problems are: Problem set: 0 solved, 292 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/353 variables, 14/62 constraints. Problems are: Problem set: 0 solved, 292 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/353 variables, 34/96 constraints. Problems are: Problem set: 0 solved, 292 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 19:15:02] [INFO ] Deduced a trap composed of 13 places in 159 ms of which 14 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 19:15:02] [INFO ] Deduced a trap composed of 16 places in 94 ms of which 7 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 19:15:02] [INFO ] Deduced a trap composed of 21 places in 123 ms of which 9 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 19:15:03] [INFO ] Deduced a trap composed of 10 places in 107 ms of which 7 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 19:15:03] [INFO ] Deduced a trap composed of 11 places in 99 ms of which 6 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 19:15:04] [INFO ] Deduced a trap composed of 13 places in 42 ms of which 4 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 19:15:04] [INFO ] Deduced a trap composed of 14 places in 41 ms of which 4 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 19:15:04] [INFO ] Deduced a trap composed of 11 places in 34 ms of which 3 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 19:15:04] [INFO ] Deduced a trap composed of 14 places in 32 ms of which 3 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 19:15:06] [INFO ] Deduced a trap composed of 22 places in 103 ms of which 9 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 19:15:06] [INFO ] Deduced a trap composed of 29 places in 97 ms of which 7 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 19:15:06] [INFO ] Deduced a trap composed of 32 places in 148 ms of which 11 ms to minimize.
At refinement iteration 5 (INCLUDED_ONLY) 0/353 variables, 12/108 constraints. Problems are: Problem set: 0 solved, 292 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 19:15:07] [INFO ] Deduced a trap composed of 19 places in 137 ms of which 13 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 19:15:08] [INFO ] Deduced a trap composed of 25 places in 105 ms of which 8 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 19:15:08] [INFO ] Deduced a trap composed of 19 places in 78 ms of which 8 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 19:15:08] [INFO ] Deduced a trap composed of 20 places in 76 ms of which 7 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 19:15:08] [INFO ] Deduced a trap composed of 24 places in 59 ms of which 5 ms to minimize.
At refinement iteration 6 (INCLUDED_ONLY) 0/353 variables, 5/113 constraints. Problems are: Problem set: 0 solved, 292 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 19:15:13] [INFO ] Deduced a trap composed of 7 places in 133 ms of which 8 ms to minimize.
At refinement iteration 7 (INCLUDED_ONLY) 0/353 variables, 1/114 constraints. Problems are: Problem set: 0 solved, 292 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 19:15:17] [INFO ] Deduced a trap composed of 18 places in 94 ms of which 9 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 19:15:17] [INFO ] Deduced a trap composed of 19 places in 73 ms of which 8 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 19:15:17] [INFO ] Deduced a trap composed of 21 places in 69 ms of which 7 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 19:15:17] [INFO ] Deduced a trap composed of 22 places in 61 ms of which 6 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 19:15:17] [INFO ] Deduced a trap composed of 23 places in 58 ms of which 5 ms to minimize.
At refinement iteration 8 (INCLUDED_ONLY) 0/353 variables, 5/119 constraints. Problems are: Problem set: 0 solved, 292 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 19:15:22] [INFO ] Deduced a trap composed of 12 places in 97 ms of which 12 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 19:15:22] [INFO ] Deduced a trap composed of 13 places in 95 ms of which 10 ms to minimize.
At refinement iteration 9 (INCLUDED_ONLY) 0/353 variables, 2/121 constraints. Problems are: Problem set: 0 solved, 292 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 19:15:26] [INFO ] Deduced a trap composed of 21 places in 85 ms of which 12 ms to minimize.
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 353/646 variables, and 122 constraints, problems are : Problem set: 0 solved, 292 unsolved in 30016 ms.
Refiners :[Positive P Invariants (semi-flows): 33/33 constraints, Generalized P Invariants (flows): 29/29 constraints, State Equation: 0/353 constraints, PredecessorRefiner: 0/292 constraints, Known Traps: 60/60 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 60077ms problems are : Problem set: 0 solved, 292 unsolved
Search for dead transitions found 0 dead transitions in 60077ms
Starting structural reductions in LTL mode, iteration 1 : 353/367 places, 293/314 transitions.
Finished structural reductions in LTL mode , in 1 iterations and 61479 ms. Remains : 353/367 places, 293/314 transitions.
Stuttering acceptance computed with spot in 177 ms :[true, (OR (NOT p0) (NOT p1)), (NOT p1), (OR (NOT p0) (NOT p1))]
Running random walk in product with property : DES-PT-30b-LTLFireability-12
Entered a terminal (fully accepting) state of product in 1 steps with 0 reset in 0 ms.
FORMULA DES-PT-30b-LTLFireability-12 FALSE TECHNIQUES STUTTER_TEST
Treatment of property DES-PT-30b-LTLFireability-12 finished in 61674 ms.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202505121319/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!(F(p0))'
Support contains 3 out of 367 places. Attempting structural reductions.
Starting structural reductions in SI_LTL mode, iteration 0 : 367/367 places, 314/314 transitions.
Graph (complete) has 799 edges and 367 vertex of which 360 are kept as prefixes of interest. Removing 7 places using SCC suffix rule.0 ms
Discarding 7 places :
Also discarding 4 output transitions
Drop transitions (Output transitions of discarded places.) removed 4 transitions
Reduce places removed 1 places and 1 transitions.
Drop transitions (Trivial Post-Agglo cleanup.) removed 14 transitions
Trivial Post-agglo rules discarded 14 transitions
Performed 14 trivial Post agglomeration. Transition count delta: 14
Iterating post reduction 0 with 14 rules applied. Total rules applied 15 place count 359 transition count 295
Reduce places removed 14 places and 0 transitions.
Iterating post reduction 1 with 14 rules applied. Total rules applied 29 place count 345 transition count 295
Performed 9 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 2 with 9 Pre rules applied. Total rules applied 29 place count 345 transition count 286
Deduced a syphon composed of 9 places in 0 ms
Reduce places removed 9 places and 0 transitions.
Iterating global reduction 2 with 18 rules applied. Total rules applied 47 place count 336 transition count 286
Discarding 7 places :
Symmetric choice reduction at 2 with 7 rule applications. Total rules 54 place count 329 transition count 279
Iterating global reduction 2 with 7 rules applied. Total rules applied 61 place count 329 transition count 279
Ensure Unique test removed 2 transitions
Reduce isomorphic transitions removed 2 transitions.
Iterating post reduction 2 with 2 rules applied. Total rules applied 63 place count 329 transition count 277
Performed 1 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 3 with 1 Pre rules applied. Total rules applied 63 place count 329 transition count 276
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 65 place count 328 transition count 276
Discarding 5 places :
Symmetric choice reduction at 3 with 5 rule applications. Total rules 70 place count 323 transition count 271
Iterating global reduction 3 with 5 rules applied. Total rules applied 75 place count 323 transition count 271
Ensure Unique test removed 4 transitions
Reduce isomorphic transitions removed 4 transitions.
Iterating post reduction 3 with 4 rules applied. Total rules applied 79 place count 323 transition count 267
Performed 2 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 4 with 2 Pre rules applied. Total rules applied 79 place count 323 transition count 265
Deduced a syphon composed of 2 places in 0 ms
Reduce places removed 2 places and 0 transitions.
Iterating global reduction 4 with 4 rules applied. Total rules applied 83 place count 321 transition count 265
Performed 77 Post agglomeration using F-continuation condition.Transition count delta: 77
Deduced a syphon composed of 77 places in 0 ms
Reduce places removed 77 places and 0 transitions.
Iterating global reduction 4 with 154 rules applied. Total rules applied 237 place count 244 transition count 188
Performed 1 Post agglomeration using F-continuation condition.Transition count delta: 0
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 239 place count 243 transition count 188
Reduce places removed 2 places and 2 transitions.
Iterating global reduction 4 with 2 rules applied. Total rules applied 241 place count 241 transition count 186
Reduce places removed 1 places and 0 transitions.
Iterating post reduction 4 with 1 rules applied. Total rules applied 242 place count 240 transition count 186
Applied a total of 242 rules in 73 ms. Remains 240 /367 variables (removed 127) and now considering 186/314 (removed 128) transitions.
// Phase 1: matrix 186 rows 240 cols
[2025-05-31 19:15:28] [INFO ] Computed 58 invariants in 3 ms
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-05-31 19:15:29] [INFO ] Implicit Places using invariants in 413 ms returned []
[2025-05-31 19:15:29] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-05-31 19:15:29] [INFO ] Implicit Places using invariants and state equation in 795 ms returned []
Implicit Place search using SMT with State Equation took 1211 ms to find 0 implicit places.
Starting Z3 with timeout 200.0 s and query timeout 20000.0 ms
[2025-05-31 19:15:29] [INFO ] Redundant transitions in 1 ms returned []
Running 183 sub problems to find dead transitions.
[2025-05-31 19:15:29] [INFO ] Invariant cache hit.
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/237 variables, 33/33 constraints. Problems are: Problem set: 0 solved, 183 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/237 variables, 18/51 constraints. Problems are: Problem set: 0 solved, 183 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/237 variables, 0/51 constraints. Problems are: Problem set: 0 solved, 183 unsolved
At refinement iteration 3 (OVERLAPS) 2/239 variables, 7/58 constraints. Problems are: Problem set: 0 solved, 183 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/239 variables, 0/58 constraints. Problems are: Problem set: 0 solved, 183 unsolved
At refinement iteration 5 (OVERLAPS) 186/425 variables, 239/297 constraints. Problems are: Problem set: 0 solved, 183 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 19:15:38] [INFO ] Deduced a trap composed of 13 places in 115 ms of which 12 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 19:15:39] [INFO ] Deduced a trap composed of 15 places in 121 ms of which 12 ms to minimize.
At refinement iteration 6 (INCLUDED_ONLY) 0/425 variables, 2/299 constraints. Problems are: Problem set: 0 solved, 183 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/425 variables, 0/299 constraints. Problems are: Problem set: 0 solved, 183 unsolved
At refinement iteration 8 (OVERLAPS) 1/426 variables, 1/300 constraints. Problems are: Problem set: 0 solved, 183 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 19:15:49] [INFO ] Deduced a trap composed of 14 places in 141 ms of which 16 ms to minimize.
At refinement iteration 9 (INCLUDED_ONLY) 0/426 variables, 1/301 constraints. Problems are: Problem set: 0 solved, 183 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 19:15:56] [INFO ] Deduced a trap composed of 13 places in 86 ms of which 11 ms to minimize.
At refinement iteration 10 (INCLUDED_ONLY) 0/426 variables, 1/302 constraints. Problems are: Problem set: 0 solved, 183 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 19:15:58] [INFO ] Deduced a trap composed of 18 places in 86 ms of which 7 ms to minimize.
Solver is answering 'unknown', stopping.
After SMT solving in domain Real declared 426/426 variables, and 303 constraints, problems are : Problem set: 0 solved, 183 unsolved in 30013 ms.
Refiners :[Positive P Invariants (semi-flows): 33/33 constraints, Generalized P Invariants (flows): 25/25 constraints, State Equation: 240/240 constraints, PredecessorRefiner: 183/183 constraints, Known Traps: 5/5 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 183 unsolved
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/237 variables, 33/33 constraints. Problems are: Problem set: 0 solved, 183 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/237 variables, 18/51 constraints. Problems are: Problem set: 0 solved, 183 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/237 variables, 5/56 constraints. Problems are: Problem set: 0 solved, 183 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/237 variables, 0/56 constraints. Problems are: Problem set: 0 solved, 183 unsolved
At refinement iteration 4 (OVERLAPS) 2/239 variables, 7/63 constraints. Problems are: Problem set: 0 solved, 183 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/239 variables, 0/63 constraints. Problems are: Problem set: 0 solved, 183 unsolved
At refinement iteration 6 (OVERLAPS) 186/425 variables, 239/302 constraints. Problems are: Problem set: 0 solved, 183 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/425 variables, 183/485 constraints. Problems are: Problem set: 0 solved, 183 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 19:16:14] [INFO ] Deduced a trap composed of 10 places in 84 ms of which 5 ms to minimize.
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 425/426 variables, and 486 constraints, problems are : Problem set: 0 solved, 183 unsolved in 30014 ms.
Refiners :[Positive P Invariants (semi-flows): 33/33 constraints, Generalized P Invariants (flows): 25/25 constraints, State Equation: 239/240 constraints, PredecessorRefiner: 183/183 constraints, Known Traps: 6/6 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 60075ms problems are : Problem set: 0 solved, 183 unsolved
Search for dead transitions found 0 dead transitions in 60076ms
Starting structural reductions in SI_LTL mode, iteration 1 : 240/367 places, 186/314 transitions.
Finished structural reductions in SI_LTL mode , in 1 iterations and 61370 ms. Remains : 240/367 places, 186/314 transitions.
Stuttering acceptance computed with spot in 80 ms :[(NOT p0)]
Running random walk in product with property : DES-PT-30b-LTLFireability-13
Stuttering criterion allowed to conclude after 33 steps with 1 reset in 0 ms.
FORMULA DES-PT-30b-LTLFireability-13 FALSE TECHNIQUES STUTTER_TEST
Treatment of property DES-PT-30b-LTLFireability-13 finished in 61471 ms.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202505121319/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!(X((F(p0)&&F(p1)&&X(F(p2)))))'
Support contains 6 out of 367 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 367/367 places, 314/314 transitions.
Discarding 8 places :
Symmetric choice reduction at 0 with 8 rule applications. Total rules 8 place count 359 transition count 306
Iterating global reduction 0 with 8 rules applied. Total rules applied 16 place count 359 transition count 306
Ensure Unique test removed 2 transitions
Reduce isomorphic transitions removed 2 transitions.
Iterating post reduction 0 with 2 rules applied. Total rules applied 18 place count 359 transition count 304
Discarding 5 places :
Symmetric choice reduction at 1 with 5 rule applications. Total rules 23 place count 354 transition count 299
Iterating global reduction 1 with 5 rules applied. Total rules applied 28 place count 354 transition count 299
Ensure Unique test removed 4 transitions
Reduce isomorphic transitions removed 4 transitions.
Iterating post reduction 1 with 4 rules applied. Total rules applied 32 place count 354 transition count 295
Applied a total of 32 rules in 35 ms. Remains 354 /367 variables (removed 13) and now considering 295/314 (removed 19) transitions.
// Phase 1: matrix 295 rows 354 cols
[2025-05-31 19:16:30] [INFO ] Computed 62 invariants in 6 ms
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-05-31 19:16:30] [INFO ] Implicit Places using invariants in 491 ms returned []
[2025-05-31 19:16:30] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-05-31 19:16:31] [INFO ] Implicit Places using invariants and state equation in 1396 ms returned []
Implicit Place search using SMT with State Equation took 1888 ms to find 0 implicit places.
Running 294 sub problems to find dead transitions.
[2025-05-31 19:16:31] [INFO ] Invariant cache hit.
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/353 variables, 16/16 constraints. Problems are: Problem set: 0 solved, 294 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/353 variables, 0/16 constraints. Problems are: Problem set: 0 solved, 294 unsolved
At refinement iteration 2 (OVERLAPS) 1/354 variables, 33/49 constraints. Problems are: Problem set: 0 solved, 294 unsolved
All remaining problems are real, not stopping.
At refinement iteration 3 (INCLUDED_ONLY) 0/354 variables, 13/62 constraints. Problems are: Problem set: 0 solved, 294 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/354 variables, 0/62 constraints. Problems are: Problem set: 0 solved, 294 unsolved
At refinement iteration 5 (OVERLAPS) 295/649 variables, 354/416 constraints. Problems are: Problem set: 0 solved, 294 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 19:16:48] [INFO ] Deduced a trap composed of 7 places in 296 ms of which 22 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 19:16:48] [INFO ] Deduced a trap composed of 8 places in 338 ms of which 19 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 19:16:48] [INFO ] Deduced a trap composed of 10 places in 207 ms of which 14 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 19:16:49] [INFO ] Deduced a trap composed of 23 places in 98 ms of which 7 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 19:16:49] [INFO ] Deduced a trap composed of 30 places in 118 ms of which 7 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 19:16:49] [INFO ] Deduced a trap composed of 12 places in 149 ms of which 13 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 19:16:50] [INFO ] Deduced a trap composed of 14 places in 140 ms of which 14 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 19:16:50] [INFO ] Deduced a trap composed of 17 places in 138 ms of which 13 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 19:16:50] [INFO ] Deduced a trap composed of 17 places in 134 ms of which 11 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 19:16:50] [INFO ] Deduced a trap composed of 18 places in 68 ms of which 7 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 19:16:50] [INFO ] Deduced a trap composed of 18 places in 91 ms of which 8 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 19:16:51] [INFO ] Deduced a trap composed of 19 places in 73 ms of which 8 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 19:16:51] [INFO ] Deduced a trap composed of 20 places in 71 ms of which 6 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 19:16:51] [INFO ] Deduced a trap composed of 20 places in 64 ms of which 7 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 19:16:51] [INFO ] Deduced a trap composed of 21 places in 72 ms of which 6 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 19:16:51] [INFO ] Deduced a trap composed of 21 places in 73 ms of which 8 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 19:16:51] [INFO ] Deduced a trap composed of 22 places in 68 ms of which 7 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 19:16:51] [INFO ] Deduced a trap composed of 22 places in 59 ms of which 7 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 19:16:51] [INFO ] Deduced a trap composed of 23 places in 62 ms of which 7 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 19:16:51] [INFO ] Deduced a trap composed of 23 places in 53 ms of which 6 ms to minimize.
At refinement iteration 6 (INCLUDED_ONLY) 0/649 variables, 20/436 constraints. Problems are: Problem set: 0 solved, 294 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 19:16:53] [INFO ] Deduced a trap composed of 29 places in 64 ms of which 11 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 19:16:53] [INFO ] Deduced a trap composed of 21 places in 161 ms of which 11 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 19:16:54] [INFO ] Deduced a trap composed of 13 places in 126 ms of which 9 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 19:16:54] [INFO ] Deduced a trap composed of 18 places in 116 ms of which 10 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 19:16:54] [INFO ] Deduced a trap composed of 15 places in 63 ms of which 6 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 19:16:55] [INFO ] Deduced a trap composed of 10 places in 165 ms of which 13 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 19:16:55] [INFO ] Deduced a trap composed of 12 places in 189 ms of which 12 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 19:16:56] [INFO ] Deduced a trap composed of 14 places in 194 ms of which 10 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 19:16:56] [INFO ] Deduced a trap composed of 15 places in 140 ms of which 9 ms to minimize.
At refinement iteration 7 (INCLUDED_ONLY) 0/649 variables, 9/445 constraints. Problems are: Problem set: 0 solved, 294 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Real declared 649/649 variables, and 445 constraints, problems are : Problem set: 0 solved, 294 unsolved in 30015 ms.
Refiners :[Positive P Invariants (semi-flows): 33/33 constraints, Generalized P Invariants (flows): 29/29 constraints, State Equation: 354/354 constraints, PredecessorRefiner: 294/294 constraints, Known Traps: 29/29 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 294 unsolved
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/353 variables, 16/16 constraints. Problems are: Problem set: 0 solved, 294 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/353 variables, 0/16 constraints. Problems are: Problem set: 0 solved, 294 unsolved
At refinement iteration 2 (OVERLAPS) 1/354 variables, 33/49 constraints. Problems are: Problem set: 0 solved, 294 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/354 variables, 13/62 constraints. Problems are: Problem set: 0 solved, 294 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/354 variables, 29/91 constraints. Problems are: Problem set: 0 solved, 294 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 19:17:06] [INFO ] Deduced a trap composed of 13 places in 91 ms of which 6 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 19:17:08] [INFO ] Deduced a trap composed of 13 places in 54 ms of which 6 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 19:17:08] [INFO ] Deduced a trap composed of 14 places in 52 ms of which 7 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 19:17:08] [INFO ] Deduced a trap composed of 10 places in 55 ms of which 6 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 19:17:08] [INFO ] Deduced a trap composed of 11 places in 47 ms of which 6 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 19:17:08] [INFO ] Deduced a trap composed of 14 places in 44 ms of which 3 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 19:17:10] [INFO ] Deduced a trap composed of 22 places in 128 ms of which 10 ms to minimize.
At refinement iteration 5 (INCLUDED_ONLY) 0/354 variables, 7/98 constraints. Problems are: Problem set: 0 solved, 294 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 19:17:11] [INFO ] Deduced a trap composed of 19 places in 169 ms of which 12 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 19:17:12] [INFO ] Deduced a trap composed of 26 places in 111 ms of which 8 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 19:17:12] [INFO ] Deduced a trap composed of 16 places in 59 ms of which 6 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 19:17:12] [INFO ] Deduced a trap composed of 17 places in 58 ms of which 6 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 19:17:12] [INFO ] Deduced a trap composed of 20 places in 49 ms of which 5 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 19:17:12] [INFO ] Deduced a trap composed of 21 places in 41 ms of which 4 ms to minimize.
At refinement iteration 6 (INCLUDED_ONLY) 0/354 variables, 6/104 constraints. Problems are: Problem set: 0 solved, 294 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/354 variables, 0/104 constraints. Problems are: Problem set: 0 solved, 294 unsolved
At refinement iteration 8 (OVERLAPS) 295/649 variables, 354/458 constraints. Problems are: Problem set: 0 solved, 294 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/649 variables, 294/752 constraints. Problems are: Problem set: 0 solved, 294 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 649/649 variables, and 752 constraints, problems are : Problem set: 0 solved, 294 unsolved in 30019 ms.
Refiners :[Positive P Invariants (semi-flows): 33/33 constraints, Generalized P Invariants (flows): 29/29 constraints, State Equation: 354/354 constraints, PredecessorRefiner: 294/294 constraints, Known Traps: 42/42 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 60077ms problems are : Problem set: 0 solved, 294 unsolved
Search for dead transitions found 0 dead transitions in 60078ms
Starting structural reductions in LTL mode, iteration 1 : 354/367 places, 295/314 transitions.
Finished structural reductions in LTL mode , in 1 iterations and 62003 ms. Remains : 354/367 places, 295/314 transitions.
Stuttering acceptance computed with spot in 176 ms :[(OR (NOT p0) (NOT p1) (NOT p2)), (OR (NOT p0) (NOT p1) (NOT p2)), (NOT p0), (NOT p1), (NOT p2)]
Running random walk in product with property : DES-PT-30b-LTLFireability-14
Stuttering criterion allowed to conclude after 213 steps with 2 reset in 1 ms.
FORMULA DES-PT-30b-LTLFireability-14 FALSE TECHNIQUES STUTTER_TEST
Treatment of property DES-PT-30b-LTLFireability-14 finished in 62216 ms.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202505121319/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!(X(F(p0)))'
Support contains 1 out of 367 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 367/367 places, 314/314 transitions.
Discarding 8 places :
Symmetric choice reduction at 0 with 8 rule applications. Total rules 8 place count 359 transition count 306
Iterating global reduction 0 with 8 rules applied. Total rules applied 16 place count 359 transition count 306
Ensure Unique test removed 3 transitions
Reduce isomorphic transitions removed 3 transitions.
Iterating post reduction 0 with 3 rules applied. Total rules applied 19 place count 359 transition count 303
Discarding 4 places :
Symmetric choice reduction at 1 with 4 rule applications. Total rules 23 place count 355 transition count 299
Iterating global reduction 1 with 4 rules applied. Total rules applied 27 place count 355 transition count 299
Ensure Unique test removed 3 transitions
Reduce isomorphic transitions removed 3 transitions.
Iterating post reduction 1 with 3 rules applied. Total rules applied 30 place count 355 transition count 296
Applied a total of 30 rules in 21 ms. Remains 355 /367 variables (removed 12) and now considering 296/314 (removed 18) transitions.
// Phase 1: matrix 296 rows 355 cols
[2025-05-31 19:17:32] [INFO ] Computed 62 invariants in 3 ms
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-05-31 19:17:32] [INFO ] Implicit Places using invariants in 402 ms returned []
[2025-05-31 19:17:32] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-05-31 19:17:33] [INFO ] Implicit Places using invariants and state equation in 1121 ms returned []
Implicit Place search using SMT with State Equation took 1525 ms to find 0 implicit places.
Running 295 sub problems to find dead transitions.
[2025-05-31 19:17:33] [INFO ] Invariant cache hit.
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/354 variables, 14/14 constraints. Problems are: Problem set: 0 solved, 295 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/354 variables, 0/14 constraints. Problems are: Problem set: 0 solved, 295 unsolved
At refinement iteration 2 (OVERLAPS) 1/355 variables, 34/48 constraints. Problems are: Problem set: 0 solved, 295 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/355 variables, 14/62 constraints. Problems are: Problem set: 0 solved, 295 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/355 variables, 0/62 constraints. Problems are: Problem set: 0 solved, 295 unsolved
At refinement iteration 5 (OVERLAPS) 296/651 variables, 355/417 constraints. Problems are: Problem set: 0 solved, 295 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 19:17:51] [INFO ] Deduced a trap composed of 10 places in 118 ms of which 10 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 19:17:51] [INFO ] Deduced a trap composed of 29 places in 56 ms of which 7 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 19:17:51] [INFO ] Deduced a trap composed of 9 places in 192 ms of which 18 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 19:17:52] [INFO ] Deduced a trap composed of 9 places in 228 ms of which 18 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 19:17:52] [INFO ] Deduced a trap composed of 17 places in 163 ms of which 12 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 19:17:52] [INFO ] Deduced a trap composed of 12 places in 217 ms of which 16 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 19:17:52] [INFO ] Deduced a trap composed of 12 places in 165 ms of which 12 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 19:17:52] [INFO ] Deduced a trap composed of 13 places in 156 ms of which 12 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 19:17:53] [INFO ] Deduced a trap composed of 22 places in 176 ms of which 22 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 19:17:53] [INFO ] Deduced a trap composed of 30 places in 130 ms of which 8 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 19:17:53] [INFO ] Deduced a trap composed of 23 places in 141 ms of which 13 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 19:17:53] [INFO ] Deduced a trap composed of 17 places in 99 ms of which 9 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 19:17:54] [INFO ] Deduced a trap composed of 18 places in 80 ms of which 8 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 19:17:54] [INFO ] Deduced a trap composed of 15 places in 59 ms of which 6 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 19:17:54] [INFO ] Deduced a trap composed of 16 places in 56 ms of which 5 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 19:17:55] [INFO ] Deduced a trap composed of 7 places in 154 ms of which 11 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 19:17:55] [INFO ] Deduced a trap composed of 10 places in 181 ms of which 13 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 19:17:55] [INFO ] Deduced a trap composed of 11 places in 188 ms of which 11 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 19:17:55] [INFO ] Deduced a trap composed of 14 places in 151 ms of which 13 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 19:17:56] [INFO ] Deduced a trap composed of 17 places in 80 ms of which 6 ms to minimize.
At refinement iteration 6 (INCLUDED_ONLY) 0/651 variables, 20/437 constraints. Problems are: Problem set: 0 solved, 295 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Real declared 651/651 variables, and 437 constraints, problems are : Problem set: 0 solved, 295 unsolved in 30017 ms.
Refiners :[Positive P Invariants (semi-flows): 34/34 constraints, Generalized P Invariants (flows): 28/28 constraints, State Equation: 355/355 constraints, PredecessorRefiner: 295/295 constraints, Known Traps: 20/20 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 295 unsolved
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/354 variables, 14/14 constraints. Problems are: Problem set: 0 solved, 295 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/354 variables, 0/14 constraints. Problems are: Problem set: 0 solved, 295 unsolved
At refinement iteration 2 (OVERLAPS) 1/355 variables, 34/48 constraints. Problems are: Problem set: 0 solved, 295 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/355 variables, 14/62 constraints. Problems are: Problem set: 0 solved, 295 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/355 variables, 20/82 constraints. Problems are: Problem set: 0 solved, 295 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 19:18:08] [INFO ] Deduced a trap composed of 17 places in 83 ms of which 11 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 19:18:09] [INFO ] Deduced a trap composed of 18 places in 88 ms of which 10 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 19:18:09] [INFO ] Deduced a trap composed of 19 places in 90 ms of which 10 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 19:18:09] [INFO ] Deduced a trap composed of 20 places in 82 ms of which 9 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 19:18:09] [INFO ] Deduced a trap composed of 22 places in 139 ms of which 18 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 19:18:10] [INFO ] Deduced a trap composed of 13 places in 57 ms of which 6 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 19:18:10] [INFO ] Deduced a trap composed of 14 places in 63 ms of which 6 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 19:18:10] [INFO ] Deduced a trap composed of 10 places in 51 ms of which 5 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 19:18:10] [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
[2025-05-31 19:18:10] [INFO ] Deduced a trap composed of 14 places in 42 ms of which 3 ms to minimize.
At refinement iteration 5 (INCLUDED_ONLY) 0/355 variables, 10/92 constraints. Problems are: Problem set: 0 solved, 295 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 19:18:13] [INFO ] Deduced a trap composed of 19 places in 176 ms of which 13 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 19:18:13] [INFO ] Deduced a trap composed of 24 places in 131 ms of which 13 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 19:18:13] [INFO ] Deduced a trap composed of 32 places in 83 ms of which 7 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 19:18:14] [INFO ] Deduced a trap composed of 14 places in 101 ms of which 8 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 19:18:14] [INFO ] Deduced a trap composed of 17 places in 120 ms of which 9 ms to minimize.
At refinement iteration 6 (INCLUDED_ONLY) 0/355 variables, 5/97 constraints. Problems are: Problem set: 0 solved, 295 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 19:18:19] [INFO ] Deduced a trap composed of 21 places in 54 ms of which 4 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 19:18:19] [INFO ] Deduced a trap composed of 29 places in 147 ms of which 19 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 19:18:20] [INFO ] Deduced a trap composed of 13 places in 81 ms of which 7 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 19:18:21] [INFO ] Deduced a trap composed of 41 places in 181 ms of which 22 ms to minimize.
At refinement iteration 7 (INCLUDED_ONLY) 0/355 variables, 4/101 constraints. Problems are: Problem set: 0 solved, 295 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 19:18:23] [INFO ] Deduced a trap composed of 16 places in 141 ms of which 10 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 19:18:23] [INFO ] Deduced a trap composed of 21 places in 127 ms of which 10 ms to minimize.
At refinement iteration 8 (INCLUDED_ONLY) 0/355 variables, 2/103 constraints. Problems are: Problem set: 0 solved, 295 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 355/651 variables, and 103 constraints, problems are : Problem set: 0 solved, 295 unsolved in 30026 ms.
Refiners :[Positive P Invariants (semi-flows): 34/34 constraints, Generalized P Invariants (flows): 28/28 constraints, State Equation: 0/355 constraints, PredecessorRefiner: 0/295 constraints, Known Traps: 41/41 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 60101ms problems are : Problem set: 0 solved, 295 unsolved
Search for dead transitions found 0 dead transitions in 60102ms
Starting structural reductions in LTL mode, iteration 1 : 355/367 places, 296/314 transitions.
Finished structural reductions in LTL mode , in 1 iterations and 61649 ms. Remains : 355/367 places, 296/314 transitions.
Stuttering acceptance computed with spot in 106 ms :[(NOT p0), (NOT p0)]
Running random walk in product with property : DES-PT-30b-LTLFireability-15
Stuttering criterion allowed to conclude after 117 steps with 0 reset in 1 ms.
FORMULA DES-PT-30b-LTLFireability-15 FALSE TECHNIQUES STUTTER_TEST
Treatment of property DES-PT-30b-LTLFireability-15 finished in 61770 ms.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202505121319/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!(G(F((p0 U (p1||G(p0))))))'
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202505121319/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!(G((X(X(p0))||F(!(G(p1) U !p2))||p3)))'
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202505121319/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!(G((F(p0)&&F(p1))))'
[2025-05-31 19:18:34] [INFO ] Flatten gal took : 18 ms
Using solver Z3 to compute partial order matrices.
Built C files in :
/tmp/ltsmin6122777294775179554
[2025-05-31 19:18:34] [INFO ] Computing symmetric may disable matrix : 314 transitions.
[2025-05-31 19:18:34] [INFO ] Computation of Complete disable matrix. took 3 ms. Total solver calls (SAT/UNSAT): 0(0/0)
[2025-05-31 19:18:34] [INFO ] Applying decomposition
[2025-05-31 19:18:34] [INFO ] Computing symmetric may enable matrix : 314 transitions.
[2025-05-31 19:18:34] [INFO ] Computation of Complete enable matrix. took 5 ms. Total solver calls (SAT/UNSAT): 0(0/0)
[2025-05-31 19:18:34] [INFO ] Flatten gal took : 22 ms
[2025-05-31 19:18:34] [INFO ] Computing Do-Not-Accords matrix : 314 transitions.
[2025-05-31 19:18:34] [INFO ] Computation of Completed DNA matrix. took 6 ms. Total solver calls (SAT/UNSAT): 0(0/0)
[2025-05-31 19:18:34] [INFO ] Built C files in 57ms conformant to PINS (ltsmin variant)in folder :/tmp/ltsmin6122777294775179554
Running compilation step : cd /tmp/ltsmin6122777294775179554;'/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.ltsmin.binaries_1.0.0.202505121319/bin/limit_time.pl' '240' 'gcc' '-c' '-I/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.ltsmin.binaries_1.0.0.202505121319/bin/include/' '-I.' '-std=c99' '-fPIC' '-O0' 'model.c'
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/graph14259137313840584074.txt' '-o' '/tmp/graph14259137313840584074.bin' '-w' '/tmp/graph14259137313840584074.weights'
Built communities with : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.louvain.binaries_1.0.0.202505121319/bin/louvain-linux64' '/tmp/graph14259137313840584074.bin' '-l' '-1' '-v' '-w' '/tmp/graph14259137313840584074.weights' '-q' '0' '-e' '0.001'
[2025-05-31 19:18:34] [INFO ] Decomposing Gal with order
[2025-05-31 19:18:34] [INFO ] Rewriting arrays to variables to allow decomposition.
[2025-05-31 19:18:34] [INFO ] Removed a total of 21 redundant transitions.
[2025-05-31 19:18:34] [INFO ] Flatten gal took : 37 ms
[2025-05-31 19:18:34] [INFO ] Fuse similar labels procedure discarded/fused a total of 12 labels/synchronizations in 11 ms.
[2025-05-31 19:18:34] [INFO ] Time to serialize gal into /tmp/LTLFireability7442520498170373095.gal : 8 ms
[2025-05-31 19:18:34] [INFO ] Time to serialize properties into /tmp/LTLFireability17450738218201788306.ltl : 1 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-ltl-linux64' '--gc-threshold' '2000000' '-i' '/tmp/LTLFireability7442520498170373095.gal' '-t' 'CGAL' '-LTL' '/tmp/LTLFireability17450738218201788306.ltl' '-c' '-stutter-deadlock'
its-ltl command run as :
/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202505121319/bin/its-ltl-linux64 --gc-threshold 2000000 -i /tmp/L...277
Read 3 LTL properties
Checking formula 0 : !((G(F(("((!((i4.i3.u16.p189==1)&&(i4.i3.u24.p219==1)))||(i0.u9.p163!=1))")U(("((i9.i1.u42.p268!=1)&&((!((i4.i3.u16.p189==1)&&(i4.i3.u...267
Formula 0 simplified : FG(!"((!((i4.i3.u16.p189==1)&&(i4.i3.u24.p219==1)))||(i0.u9.p163!=1))" M !"((i9.i1.u42.p268!=1)&&((!((i4.i3.u16.p189==1)&&(i4.i3.u24...187
Compilation finished in 1335 ms.
Running link step : cd /tmp/ltsmin6122777294775179554;'gcc' '-shared' '-o' 'gal.so' 'model.o'
Link finished in 39 ms.
Running LTSmin : cd /tmp/ltsmin6122777294775179554;'/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.ltsmin.binaries_1.0.0.202505121319/bin/pins2lts-mc-linux64' './gal.so' '--threads=8' '-p' '--pins-guards' '--when' '--ltl' '[](<>(((LTLAPp0==true) U ((LTLAPp1==true)||[]((LTLAPp0==true))))))' '--buchi-type=spotba'
Reverse transition relation is NOT exact ! Due to transitions t0, t57, t131, t231, t271, t272, t305, u77.t17, u32.t80, i0.t125, i0.u8.t202, i0.u8.t203, i0....1189
Computing Next relation with stutter on 4.63221e+08 deadlock states
WARNING : LTSmin timed out (>400 s) on command cd /tmp/ltsmin6122777294775179554;'/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.ltsmin.binaries_1.0.0.202505121319/bin/pins2lts-mc-linux64' './gal.so' '--threads=8' '-p' '--pins-guards' '--when' '--ltl' '[](<>(((LTLAPp0==true) U ((LTLAPp1==true)||[]((LTLAPp0==true))))))' '--buchi-type=spotba'
Running LTSmin : cd /tmp/ltsmin6122777294775179554;'/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.ltsmin.binaries_1.0.0.202505121319/bin/pins2lts-mc-linux64' './gal.so' '--threads=8' '--when' '--ltl' '[]((X(X((LTLAPp2==true)))||<>(!([]((LTLAPp3==true)) U !(LTLAPp4==true)))||(LTLAPp5==true)))' '--buchi-type=spotba'
WARNING : LTSmin timed out (>400 s) on command cd /tmp/ltsmin6122777294775179554;'/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.ltsmin.binaries_1.0.0.202505121319/bin/pins2lts-mc-linux64' './gal.so' '--threads=8' '--when' '--ltl' '[]((X(X((LTLAPp2==true)))||<>(!([]((LTLAPp3==true)) U !(LTLAPp4==true)))||(LTLAPp5==true)))' '--buchi-type=spotba'
Running LTSmin : cd /tmp/ltsmin6122777294775179554;'/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.ltsmin.binaries_1.0.0.202505121319/bin/pins2lts-mc-linux64' './gal.so' '--threads=8' '-p' '--pins-guards' '--when' '--ltl' '[]((<>((LTLAPp6==true))&&<>((LTLAPp7==true))))' '--buchi-type=spotba'
BK_TIME_CONFINEMENT_REACHED
--------------------
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
+ [[ LTLFireability = StateSpace ]]
+ /home/mcc/BenchKit/bin//../itstools/bin//..//runeclipse.sh /home/mcc/execution LTLFireability -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
++ perl -pe 's/.*\.//g'
++ sed s/.jar//
++ 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 LTLFireability -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="DES-PT-30b"
export BK_EXAMINATION="LTLFireability"
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 DES-PT-30b, examination is LTLFireability"
echo " Time confinement is $BK_TIME_CONFINEMENT seconds"
echo " Memory confinement is 16384 MBytes"
echo " Number of cores is 4"
echo " Run identifier is r058-smll-174854063900324"
echo "====================================================================="
echo
echo "--------------------"
echo "preparation of the directory to be used:"
tar xzf /home/mcc/BenchKit/INPUTS/DES-PT-30b.tgz
mv DES-PT-30b execution
cd execution
if [ "LTLFireability" = "ReachabilityDeadlock" ] || [ "LTLFireability" = "UpperBounds" ] || [ "LTLFireability" = "QuasiLiveness" ] || [ "LTLFireability" = "StableMarking" ] || [ "LTLFireability" = "Liveness" ] || [ "LTLFireability" = "OneSafe" ] || [ "LTLFireability" = "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 [ "LTLFireability" = "UpperBounds" ] ; then
echo "The expected result is a vector of positive values"
echo NUM_VECTOR
elif [ "LTLFireability" != "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 "LTLFireability.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 '
echo "FORMULA_NAME $x"
done
elif [ "LTLFireability" = "ReachabilityDeadlock" ] || [ "LTLFireability" = "QuasiLiveness" ] || [ "LTLFireability" = "StableMarking" ] || [ "LTLFireability" = "Liveness" ] || [ "LTLFireability" = "OneSafe" ] ; then
echo "FORMULA_NAME LTLFireability"
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 ;