About the Execution of ITS-Tools for DES-PT-60b
| Execution Summary | |||||
| Max Memory Used (MB) |
Time wait (ms) | CPU Usage (ms) | I/O Wait (ms) | Computed Result | Execution Status |
| 0.000 | 883211.00 | 0.00 | 0.00 | FFFFTFTTFFFTFFFT | normal |
Execution Chart
Sorry, for this execution, no execution chart could be reported.
Trace from the execution
Formatting '/data/fkordon/mcc2025-input.r058-smll-174854064000371.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-60b, examination is LTLCardinality
Time confinement is 3600 seconds
Memory confinement is 16384 MBytes
Number of cores is 4
Run identifier is r058-smll-174854064000371
=====================================================================
--------------------
preparation of the directory to be used:
/home/mcc/execution
total 600K
-rw-r--r-- 1 mcc users 7.2K May 29 14:47 CTLCardinality.txt
-rw-r--r-- 1 mcc users 81K May 29 14:47 CTLCardinality.xml
-rw-r--r-- 1 mcc users 5.9K May 29 14:47 CTLFireability.txt
-rw-r--r-- 1 mcc users 57K 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 3.5K May 29 14:47 LTLCardinality.txt
-rw-r--r-- 1 mcc users 26K May 29 14:47 LTLCardinality.xml
-rw-r--r-- 1 mcc users 2.1K May 29 14:47 LTLFireability.txt
-rw-r--r-- 1 mcc users 18K May 29 14:47 LTLFireability.xml
-rw-r--r-- 1 mcc users 8.6K May 29 14:47 ReachabilityCardinality.txt
-rw-r--r-- 1 mcc users 89K May 29 14:47 ReachabilityCardinality.xml
-rw-r--r-- 1 mcc users 9.9K May 29 14:47 ReachabilityFireability.txt
-rw-r--r-- 1 mcc users 91K 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 139K 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-60b-LTLCardinality-00
FORMULA_NAME DES-PT-60b-LTLCardinality-01
FORMULA_NAME DES-PT-60b-LTLCardinality-02
FORMULA_NAME DES-PT-60b-LTLCardinality-03
FORMULA_NAME DES-PT-60b-LTLCardinality-04
FORMULA_NAME DES-PT-60b-LTLCardinality-05
FORMULA_NAME DES-PT-60b-LTLCardinality-06
FORMULA_NAME DES-PT-60b-LTLCardinality-07
FORMULA_NAME DES-PT-60b-LTLCardinality-08
FORMULA_NAME DES-PT-60b-LTLCardinality-09
FORMULA_NAME DES-PT-60b-LTLCardinality-10
FORMULA_NAME DES-PT-60b-LTLCardinality-11
FORMULA_NAME DES-PT-60b-LTLCardinality-12
FORMULA_NAME DES-PT-60b-LTLCardinality-13
FORMULA_NAME DES-PT-60b-LTLCardinality-14
FORMULA_NAME DES-PT-60b-LTLCardinality-15
=== Now, execution of the tool begins
BK_START 1748761500822
Invoking MCC driver with
BK_TOOL=itstools
BK_EXAMINATION=LTLCardinality
BK_BIN_PATH=/home/mcc/BenchKit/bin/
BK_TIME_CONFINEMENT=3600
BK_INPUT=DES-PT-60b
BK_MEMORY_CONFINEMENT=16384
Not applying reductions.
Model is PT
LTLCardinality PT
Running Version 202505121319
[2025-06-01 07:05:03] [INFO ] Running its-tools with arguments : [-pnfolder, /home/mcc/execution, -examination, LTLCardinality, -its, -ltsmin, -greatspnpath, /home/mcc/BenchKit/bin//../itstools/bin//..//greatspn/, -order, META, -manyOrder, -smt, -timeout, 3600]
[2025-06-01 07:05:03] [INFO ] Parsing pnml file : /home/mcc/execution/model.pnml
[2025-06-01 07:05:03] [INFO ] Load time of PNML (sax parser for PT used): 238 ms
[2025-06-01 07:05:03] [INFO ] Transformed 519 places.
[2025-06-01 07:05:03] [INFO ] Transformed 470 transitions.
[2025-06-01 07:05:03] [INFO ] Found NUPN structural information;
[2025-06-01 07:05:03] [INFO ] Parsed PT model containing 519 places and 470 transitions and 1623 arcs in 486 ms.
Parsed 16 properties from file /home/mcc/execution/LTLCardinality.xml in 25 ms.
Working with output stream class java.io.PrintStream
Initial state reduction rules removed 6 formulas.
Initial state reduction rules removed 1 formulas.
FORMULA DES-PT-60b-LTLCardinality-00 FALSE TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA DES-PT-60b-LTLCardinality-04 TRUE TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA DES-PT-60b-LTLCardinality-05 FALSE TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA DES-PT-60b-LTLCardinality-06 TRUE TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA DES-PT-60b-LTLCardinality-09 FALSE TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA DES-PT-60b-LTLCardinality-11 TRUE TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA DES-PT-60b-LTLCardinality-12 FALSE TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA DES-PT-60b-LTLCardinality-15 TRUE TECHNIQUES TOPOLOGICAL INITIAL_STATE
Support contains 25 out of 519 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 519/519 places, 470/470 transitions.
Reduce places removed 3 places and 0 transitions.
Iterating post reduction 0 with 3 rules applied. Total rules applied 3 place count 516 transition count 470
Discarding 22 places :
Symmetric choice reduction at 1 with 22 rule applications. Total rules 25 place count 494 transition count 448
Iterating global reduction 1 with 22 rules applied. Total rules applied 47 place count 494 transition count 448
Discarding 15 places :
Symmetric choice reduction at 1 with 15 rule applications. Total rules 62 place count 479 transition count 433
Iterating global reduction 1 with 15 rules applied. Total rules applied 77 place count 479 transition count 433
Ensure Unique test removed 13 transitions
Reduce isomorphic transitions removed 13 transitions.
Iterating post reduction 1 with 13 rules applied. Total rules applied 90 place count 479 transition count 420
Discarding 1 places :
Symmetric choice reduction at 2 with 1 rule applications. Total rules 91 place count 478 transition count 419
Iterating global reduction 2 with 1 rules applied. Total rules applied 92 place count 478 transition count 419
Ensure Unique test removed 1 transitions
Reduce isomorphic transitions removed 1 transitions.
Iterating post reduction 2 with 1 rules applied. Total rules applied 93 place count 478 transition count 418
Applied a total of 93 rules in 362 ms. Remains 478 /519 variables (removed 41) and now considering 418/470 (removed 52) transitions.
// Phase 1: matrix 418 rows 478 cols
[2025-06-01 07:05:04] [INFO ] Computed 62 invariants in 96 ms
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-01 07:05:05] [INFO ] Implicit Places using invariants in 1264 ms returned []
[2025-06-01 07:05:05] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-01 07:05:09] [INFO ] Implicit Places using invariants and state equation in 3325 ms returned []
Implicit Place search using SMT with State Equation took 4659 ms to find 0 implicit places.
Running 417 sub problems to find dead transitions.
[2025-06-01 07:05:09] [INFO ] Invariant cache hit.
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/477 variables, 18/18 constraints. Problems are: Problem set: 0 solved, 417 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/477 variables, 0/18 constraints. Problems are: Problem set: 0 solved, 417 unsolved
At refinement iteration 2 (OVERLAPS) 1/478 variables, 33/51 constraints. Problems are: Problem set: 0 solved, 417 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/478 variables, 11/62 constraints. Problems are: Problem set: 0 solved, 417 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/478 variables, 0/62 constraints. Problems are: Problem set: 0 solved, 417 unsolved
At refinement iteration 5 (OVERLAPS) 418/896 variables, 478/540 constraints. Problems are: Problem set: 0 solved, 417 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Real declared 896/896 variables, and 540 constraints, problems are : Problem set: 0 solved, 417 unsolved in 30038 ms.
Refiners :[Positive P Invariants (semi-flows): 33/33 constraints, Generalized P Invariants (flows): 29/29 constraints, State Equation: 478/478 constraints, PredecessorRefiner: 417/417 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 417 unsolved
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/477 variables, 18/18 constraints. Problems are: Problem set: 0 solved, 417 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/477 variables, 0/18 constraints. Problems are: Problem set: 0 solved, 417 unsolved
At refinement iteration 2 (OVERLAPS) 1/478 variables, 33/51 constraints. Problems are: Problem set: 0 solved, 417 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/478 variables, 11/62 constraints. Problems are: Problem set: 0 solved, 417 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 07:05:54] [INFO ] Deduced a trap composed of 12 places in 202 ms of which 25 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 07:05:54] [INFO ] Deduced a trap composed of 16 places in 123 ms of which 7 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 07:05:54] [INFO ] Deduced a trap composed of 22 places in 80 ms of which 7 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 07:05:54] [INFO ] Deduced a trap composed of 31 places in 115 ms of which 9 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 07:05:54] [INFO ] Deduced a trap composed of 13 places in 73 ms of which 4 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 07:05:54] [INFO ] Deduced a trap composed of 22 places in 106 ms of which 10 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 07:05:55] [INFO ] Deduced a trap composed of 17 places in 95 ms of which 9 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 07:05:55] [INFO ] Deduced a trap composed of 30 places in 133 ms of which 16 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 07:05:55] [INFO ] Deduced a trap composed of 33 places in 119 ms of which 10 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 07:05:55] [INFO ] Deduced a trap composed of 23 places in 71 ms of which 4 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 07:05:55] [INFO ] Deduced a trap composed of 17 places in 65 ms of which 6 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 07:05:55] [INFO ] Deduced a trap composed of 18 places in 59 ms of which 6 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 07:05:55] [INFO ] Deduced a trap composed of 16 places in 91 ms of which 11 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 07:05:55] [INFO ] Deduced a trap composed of 17 places in 81 ms of which 10 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 07:05:56] [INFO ] Deduced a trap composed of 18 places in 87 ms of which 11 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 07:05:56] [INFO ] Deduced a trap composed of 20 places in 87 ms of which 10 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 07:05:56] [INFO ] Deduced a trap composed of 18 places in 56 ms of which 5 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 07:05:56] [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
[2025-06-01 07:05:56] [INFO ] Deduced a trap composed of 19 places in 82 ms of which 9 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 07:05:56] [INFO ] Deduced a trap composed of 20 places in 73 ms of which 7 ms to minimize.
At refinement iteration 4 (INCLUDED_ONLY) 0/478 variables, 20/82 constraints. Problems are: Problem set: 0 solved, 417 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 07:05:57] [INFO ] Deduced a trap composed of 22 places in 116 ms of which 7 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 07:05:57] [INFO ] Deduced a trap composed of 27 places in 102 ms of which 9 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 07:05:57] [INFO ] Deduced a trap composed of 14 places in 91 ms of which 7 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 07:05:58] [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
[2025-06-01 07:05:58] [INFO ] Deduced a trap composed of 21 places in 48 ms of which 4 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 07:05:58] [INFO ] Deduced a trap composed of 10 places in 162 ms of which 12 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 07:05:59] [INFO ] Deduced a trap composed of 11 places in 175 ms of which 11 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 07:05:59] [INFO ] Deduced a trap composed of 14 places in 117 ms of which 7 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 07:05:59] [INFO ] Deduced a trap composed of 13 places in 62 ms of which 6 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 07:05:59] [INFO ] Deduced a trap composed of 9 places in 60 ms of which 6 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 07:06:00] [INFO ] Deduced a trap composed of 10 places in 60 ms of which 7 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 07:06:00] [INFO ] Deduced a trap composed of 11 places in 59 ms of which 6 ms to minimize.
At refinement iteration 5 (INCLUDED_ONLY) 0/478 variables, 12/94 constraints. Problems are: Problem set: 0 solved, 417 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 07:06:05] [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
[2025-06-01 07:06:07] [INFO ] Deduced a trap composed of 29 places in 154 ms of which 22 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 07:06:08] [INFO ] Deduced a trap composed of 11 places in 56 ms of which 7 ms to minimize.
Error getting values : (error "ParserException while parsing response: ((s0 0)
(s1 1)
(s2 396)
(s3 1)
(s4 1)
(s5 1)
(s6 1)
(s7 1)
(s8 1)
(s9 1)
(s10 1)
(s11 1)
(s12 1)
(s13 1)
(s14 1)
(s15 1)
(s16 1)
(s17 1)
(s18 1)
(s19 1)
(s20 1)
(s21 1)
(s22 1)
(s23 11)
(s24 1)
(s25 1)
(s26 1)
(s27 1)
(s28 1)
(s29 1)
(s30 1)
(s31 1)
(s32 1)
(s33 1)
(s34 1)
(s35 1)
(s36 1)
(s37 1)
(s38 1)
(s39 1)
(s40 1)
(s41 1)
(s42 1)
(s43 1)
(s44 4)
(s45 1)
(s46 1)
(s47 1)
(s48 1)
(s49 1)
(s50 1)
(s51 11)
(s52 1)
(s53 1)
(s54 1)
(s55 1)
(s56 timeout
org.smtlib.IParser$ParserException: Unbalanced parentheses at end of input")
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 478/896 variables, and 97 constraints, problems are : Problem set: 0 solved, 417 unsolved in 30027 ms.
Refiners :[Positive P Invariants (semi-flows): 33/33 constraints, Generalized P Invariants (flows): 29/29 constraints, State Equation: 0/478 constraints, PredecessorRefiner: 0/417 constraints, Known Traps: 35/35 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 60689ms problems are : Problem set: 0 solved, 417 unsolved
Search for dead transitions found 0 dead transitions in 60711ms
Starting structural reductions in LTL mode, iteration 1 : 478/519 places, 418/470 transitions.
Finished structural reductions in LTL mode , in 1 iterations and 65771 ms. Remains : 478/519 places, 418/470 transitions.
Support contains 25 out of 478 places after structural reductions.
[2025-06-01 07:06:10] [INFO ] Flatten gal took : 141 ms
[2025-06-01 07:06:10] [INFO ] Flatten gal took : 72 ms
[2025-06-01 07:06:10] [INFO ] Input system was already deterministic with 418 transitions.
Reduction of identical properties reduced properties to check from 15 to 14
RANDOM walk for 40000 steps (346 resets) in 2337 ms. (17 steps per ms) remains 8/14 properties
BEST_FIRST walk for 40003 steps (47 resets) in 386 ms. (103 steps per ms) remains 8/8 properties
BEST_FIRST walk for 40003 steps (58 resets) in 245 ms. (162 steps per ms) remains 8/8 properties
BEST_FIRST walk for 40004 steps (55 resets) in 129 ms. (307 steps per ms) remains 8/8 properties
BEST_FIRST walk for 40003 steps (65 resets) in 118 ms. (336 steps per ms) remains 8/8 properties
BEST_FIRST walk for 40004 steps (51 resets) in 127 ms. (312 steps per ms) remains 8/8 properties
BEST_FIRST walk for 40004 steps (53 resets) in 97 ms. (408 steps per ms) remains 8/8 properties
BEST_FIRST walk for 40004 steps (52 resets) in 119 ms. (333 steps per ms) remains 8/8 properties
BEST_FIRST walk for 40004 steps (55 resets) in 88 ms. (449 steps per ms) remains 8/8 properties
[2025-06-01 07:06:11] [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) 0/14 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 8 unsolved
At refinement iteration 1 (OVERLAPS) 54/68 variables, 10/10 constraints. Problems are: Problem set: 0 solved, 8 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/68 variables, 0/10 constraints. Problems are: Problem set: 0 solved, 8 unsolved
At refinement iteration 3 (OVERLAPS) 107/175 variables, 23/33 constraints. Problems are: Problem set: 0 solved, 8 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/175 variables, 0/33 constraints. Problems are: Problem set: 0 solved, 8 unsolved
At refinement iteration 5 (OVERLAPS) 281/456 variables, 27/60 constraints. Problems are: Problem set: 0 solved, 8 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/456 variables, 0/60 constraints. Problems are: Problem set: 0 solved, 8 unsolved
At refinement iteration 7 (OVERLAPS) 6/462 variables, 2/62 constraints. Problems are: Problem set: 0 solved, 8 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/462 variables, 0/62 constraints. Problems are: Problem set: 0 solved, 8 unsolved
At refinement iteration 9 (OVERLAPS) 405/867 variables, 462/524 constraints. Problems are: Problem set: 0 solved, 8 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/867 variables, 0/524 constraints. Problems are: Problem set: 0 solved, 8 unsolved
At refinement iteration 11 (OVERLAPS) 22/889 variables, 12/536 constraints. Problems are: Problem set: 0 solved, 8 unsolved
At refinement iteration 12 (INCLUDED_ONLY) 0/889 variables, 0/536 constraints. Problems are: Problem set: 0 solved, 8 unsolved
At refinement iteration 13 (OVERLAPS) 3/892 variables, 2/538 constraints. Problems are: Problem set: 0 solved, 8 unsolved
At refinement iteration 14 (INCLUDED_ONLY) 0/892 variables, 0/538 constraints. Problems are: Problem set: 0 solved, 8 unsolved
At refinement iteration 15 (OVERLAPS) 2/894 variables, 1/539 constraints. Problems are: Problem set: 0 solved, 8 unsolved
At refinement iteration 16 (INCLUDED_ONLY) 0/894 variables, 0/539 constraints. Problems are: Problem set: 0 solved, 8 unsolved
At refinement iteration 17 (OVERLAPS) 2/896 variables, 1/540 constraints. Problems are: Problem set: 0 solved, 8 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Real declared 896/896 variables, and 540 constraints, problems are : Problem set: 0 solved, 8 unsolved in 5007 ms.
Refiners :[Positive P Invariants (semi-flows): 33/33 constraints, Generalized P Invariants (flows): 29/29 constraints, State Equation: 478/478 constraints, PredecessorRefiner: 8/8 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 8 unsolved
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/14 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 8 unsolved
At refinement iteration 1 (OVERLAPS) 54/68 variables, 10/10 constraints. Problems are: Problem set: 0 solved, 8 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/68 variables, 0/10 constraints. Problems are: Problem set: 0 solved, 8 unsolved
At refinement iteration 3 (OVERLAPS) 107/175 variables, 23/33 constraints. Problems are: Problem set: 0 solved, 8 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 07:06:17] [INFO ] Deduced a trap composed of 10 places in 41 ms of which 3 ms to minimize.
At refinement iteration 4 (INCLUDED_ONLY) 0/175 variables, 1/34 constraints. Problems are: Problem set: 0 solved, 8 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/175 variables, 0/34 constraints. Problems are: Problem set: 0 solved, 8 unsolved
At refinement iteration 6 (OVERLAPS) 281/456 variables, 27/61 constraints. Problems are: Problem set: 0 solved, 8 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 07:06:17] [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
[2025-06-01 07:06:17] [INFO ] Deduced a trap composed of 11 places in 134 ms of which 9 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 07:06:17] [INFO ] Deduced a trap composed of 14 places in 115 ms of which 8 ms to minimize.
At refinement iteration 7 (INCLUDED_ONLY) 0/456 variables, 3/64 constraints. Problems are: Problem set: 0 solved, 8 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/456 variables, 0/64 constraints. Problems are: Problem set: 0 solved, 8 unsolved
At refinement iteration 9 (OVERLAPS) 6/462 variables, 2/66 constraints. Problems are: Problem set: 0 solved, 8 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/462 variables, 0/66 constraints. Problems are: Problem set: 0 solved, 8 unsolved
At refinement iteration 11 (OVERLAPS) 405/867 variables, 462/528 constraints. Problems are: Problem set: 0 solved, 8 unsolved
At refinement iteration 12 (INCLUDED_ONLY) 0/867 variables, 7/535 constraints. Problems are: Problem set: 0 solved, 8 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 07:06:20] [INFO ] Deduced a trap composed of 10 places in 262 ms of which 21 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 07:06:20] [INFO ] Deduced a trap composed of 9 places in 201 ms of which 16 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 07:06:20] [INFO ] Deduced a trap composed of 11 places in 42 ms of which 3 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 07:06:20] [INFO ] Deduced a trap composed of 11 places in 40 ms of which 3 ms to minimize.
At refinement iteration 13 (INCLUDED_ONLY) 0/867 variables, 4/539 constraints. Problems are: Problem set: 0 solved, 8 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 867/896 variables, and 539 constraints, problems are : Problem set: 0 solved, 8 unsolved in 5007 ms.
Refiners :[Positive P Invariants (semi-flows): 33/33 constraints, Generalized P Invariants (flows): 29/29 constraints, State Equation: 462/478 constraints, PredecessorRefiner: 7/8 constraints, Known Traps: 8/8 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 10033ms problems are : Problem set: 0 solved, 8 unsolved
Skipping Parikh replay, no witness traces provided.
Support contains 14 out of 478 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 478/478 places, 418/418 transitions.
Graph (complete) has 1130 edges and 478 vertex of which 471 are kept as prefixes of interest. Removing 7 places using SCC suffix rule.3 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 1 transitions
Reduce isomorphic transitions removed 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 15 rules applied. Total rules applied 16 place count 471 transition count 399
Reduce places removed 14 places and 0 transitions.
Performed 1 Post agglomeration using F-continuation condition.Transition count delta: 1
Iterating post reduction 1 with 15 rules applied. Total rules applied 31 place count 457 transition count 398
Reduce places removed 1 places and 0 transitions.
Iterating post reduction 2 with 1 rules applied. Total rules applied 32 place count 456 transition count 398
Performed 13 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 3 with 13 Pre rules applied. Total rules applied 32 place count 456 transition count 385
Deduced a syphon composed of 13 places in 1 ms
Reduce places removed 13 places and 0 transitions.
Iterating global reduction 3 with 26 rules applied. Total rules applied 58 place count 443 transition count 385
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 3 with 146 rules applied. Total rules applied 204 place count 370 transition count 312
Performed 3 Post agglomeration using F-continuation condition.Transition count delta: -8
Deduced a syphon composed of 3 places in 1 ms
Reduce places removed 3 places and 0 transitions.
Iterating global reduction 3 with 6 rules applied. Total rules applied 210 place count 367 transition count 320
Free-agglomeration rule (complex) applied 2 times.
Iterating global reduction 3 with 2 rules applied. Total rules applied 212 place count 367 transition count 318
Reduce places removed 2 places and 0 transitions.
Iterating post reduction 3 with 2 rules applied. Total rules applied 214 place count 365 transition count 318
Partial Free-agglomeration rule applied 1 times.
Drop transitions (Partial Free agglomeration) removed 1 transitions
Iterating global reduction 4 with 1 rules applied. Total rules applied 215 place count 365 transition count 318
Reduce places removed 1 places and 1 transitions.
Iterating global reduction 4 with 1 rules applied. Total rules applied 216 place count 364 transition count 317
Applied a total of 216 rules in 202 ms. Remains 364 /478 variables (removed 114) and now considering 317/418 (removed 101) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 202 ms. Remains : 364/478 places, 317/418 transitions.
RANDOM walk for 40000 steps (1551 resets) in 575 ms. (69 steps per ms) remains 8/8 properties
BEST_FIRST walk for 40004 steps (309 resets) in 82 ms. (481 steps per ms) remains 8/8 properties
BEST_FIRST walk for 40003 steps (325 resets) in 148 ms. (268 steps per ms) remains 8/8 properties
BEST_FIRST walk for 40003 steps (309 resets) in 203 ms. (196 steps per ms) remains 8/8 properties
BEST_FIRST walk for 40004 steps (325 resets) in 197 ms. (202 steps per ms) remains 8/8 properties
BEST_FIRST walk for 40004 steps (314 resets) in 194 ms. (205 steps per ms) remains 8/8 properties
BEST_FIRST walk for 40004 steps (267 resets) in 287 ms. (138 steps per ms) remains 8/8 properties
BEST_FIRST walk for 40004 steps (301 resets) in 179 ms. (222 steps per ms) remains 8/8 properties
BEST_FIRST walk for 40004 steps (312 resets) in 138 ms. (287 steps per ms) remains 8/8 properties
Interrupted probabilistic random walk after 562700 steps, run timeout after 3001 ms. (steps per millisecond=187 ) properties seen :0 out of 8
Probabilistic random walk after 562700 steps, saw 80047 distinct states, run finished after 3007 ms. (steps per millisecond=187 ) properties seen :0
// Phase 1: matrix 317 rows 364 cols
[2025-06-01 07:06:25] [INFO ] Computed 60 invariants in 15 ms
[2025-06-01 07:06:25] [INFO ] State equation strengthened by 12 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) 0/14 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 8 unsolved
At refinement iteration 1 (OVERLAPS) 27/41 variables, 10/10 constraints. Problems are: Problem set: 0 solved, 8 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/41 variables, 0/10 constraints. Problems are: Problem set: 0 solved, 8 unsolved
At refinement iteration 3 (OVERLAPS) 2/43 variables, 1/11 constraints. Problems are: Problem set: 0 solved, 8 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/43 variables, 0/11 constraints. Problems are: Problem set: 0 solved, 8 unsolved
At refinement iteration 5 (OVERLAPS) 225/268 variables, 22/33 constraints. Problems are: Problem set: 0 solved, 8 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/268 variables, 0/33 constraints. Problems are: Problem set: 0 solved, 8 unsolved
At refinement iteration 7 (OVERLAPS) 23/291 variables, 20/53 constraints. Problems are: Problem set: 0 solved, 8 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/291 variables, 0/53 constraints. Problems are: Problem set: 0 solved, 8 unsolved
At refinement iteration 9 (OVERLAPS) 7/298 variables, 3/56 constraints. Problems are: Problem set: 0 solved, 8 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/298 variables, 0/56 constraints. Problems are: Problem set: 0 solved, 8 unsolved
At refinement iteration 11 (OVERLAPS) 262/560 variables, 298/354 constraints. Problems are: Problem set: 0 solved, 8 unsolved
At refinement iteration 12 (INCLUDED_ONLY) 0/560 variables, 12/366 constraints. Problems are: Problem set: 0 solved, 8 unsolved
At refinement iteration 13 (INCLUDED_ONLY) 0/560 variables, 0/366 constraints. Problems are: Problem set: 0 solved, 8 unsolved
At refinement iteration 14 (OVERLAPS) 70/630 variables, 15/381 constraints. Problems are: Problem set: 0 solved, 8 unsolved
At refinement iteration 15 (INCLUDED_ONLY) 0/630 variables, 4/385 constraints. Problems are: Problem set: 0 solved, 8 unsolved
At refinement iteration 16 (INCLUDED_ONLY) 0/630 variables, 0/385 constraints. Problems are: Problem set: 0 solved, 8 unsolved
At refinement iteration 17 (OVERLAPS) 51/681 variables, 51/436 constraints. Problems are: Problem set: 0 solved, 8 unsolved
At refinement iteration 18 (INCLUDED_ONLY) 0/681 variables, 0/436 constraints. Problems are: Problem set: 0 solved, 8 unsolved
At refinement iteration 19 (OVERLAPS) 0/681 variables, 0/436 constraints. Problems are: Problem set: 0 solved, 8 unsolved
No progress, stopping.
After SMT solving in domain Real declared 681/681 variables, and 436 constraints, problems are : Problem set: 0 solved, 8 unsolved in 8299 ms.
Refiners :[Positive P Invariants (semi-flows): 35/35 constraints, Generalized P Invariants (flows): 25/25 constraints, State Equation: 364/364 constraints, ReadFeed: 12/12 constraints, PredecessorRefiner: 8/8 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 8 unsolved
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/14 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 8 unsolved
At refinement iteration 1 (OVERLAPS) 27/41 variables, 10/10 constraints. Problems are: Problem set: 0 solved, 8 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/41 variables, 0/10 constraints. Problems are: Problem set: 0 solved, 8 unsolved
At refinement iteration 3 (OVERLAPS) 2/43 variables, 1/11 constraints. Problems are: Problem set: 0 solved, 8 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/43 variables, 0/11 constraints. Problems are: Problem set: 0 solved, 8 unsolved
At refinement iteration 5 (OVERLAPS) 225/268 variables, 22/33 constraints. Problems are: Problem set: 0 solved, 8 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 07:06:34] [INFO ] Deduced a trap composed of 11 places in 88 ms of which 10 ms to minimize.
At refinement iteration 6 (INCLUDED_ONLY) 0/268 variables, 1/34 constraints. Problems are: Problem set: 0 solved, 8 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/268 variables, 0/34 constraints. Problems are: Problem set: 0 solved, 8 unsolved
At refinement iteration 8 (OVERLAPS) 23/291 variables, 20/54 constraints. Problems are: Problem set: 0 solved, 8 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/291 variables, 0/54 constraints. Problems are: Problem set: 0 solved, 8 unsolved
At refinement iteration 10 (OVERLAPS) 7/298 variables, 3/57 constraints. Problems are: Problem set: 0 solved, 8 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/298 variables, 0/57 constraints. Problems are: Problem set: 0 solved, 8 unsolved
At refinement iteration 12 (OVERLAPS) 262/560 variables, 298/355 constraints. Problems are: Problem set: 0 solved, 8 unsolved
At refinement iteration 13 (INCLUDED_ONLY) 0/560 variables, 12/367 constraints. Problems are: Problem set: 0 solved, 8 unsolved
At refinement iteration 14 (INCLUDED_ONLY) 0/560 variables, 3/370 constraints. Problems are: Problem set: 0 solved, 8 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 07:06:36] [INFO ] Deduced a trap composed of 14 places in 58 ms of which 6 ms to minimize.
At refinement iteration 15 (INCLUDED_ONLY) 0/560 variables, 1/371 constraints. Problems are: Problem set: 0 solved, 8 unsolved
At refinement iteration 16 (INCLUDED_ONLY) 0/560 variables, 0/371 constraints. Problems are: Problem set: 0 solved, 8 unsolved
At refinement iteration 17 (OVERLAPS) 70/630 variables, 15/386 constraints. Problems are: Problem set: 0 solved, 8 unsolved
At refinement iteration 18 (INCLUDED_ONLY) 0/630 variables, 4/390 constraints. Problems are: Problem set: 0 solved, 8 unsolved
At refinement iteration 19 (INCLUDED_ONLY) 0/630 variables, 5/395 constraints. Problems are: Problem set: 0 solved, 8 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 07:06:40] [INFO ] Deduced a trap composed of 3 places in 45 ms of which 3 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 07:06:41] [INFO ] Deduced a trap composed of 3 places in 30 ms of which 2 ms to minimize.
At refinement iteration 20 (INCLUDED_ONLY) 0/630 variables, 2/397 constraints. Problems are: Problem set: 0 solved, 8 unsolved
At refinement iteration 21 (INCLUDED_ONLY) 0/630 variables, 0/397 constraints. Problems are: Problem set: 0 solved, 8 unsolved
At refinement iteration 22 (OVERLAPS) 51/681 variables, 51/448 constraints. Problems are: Problem set: 0 solved, 8 unsolved
At refinement iteration 23 (INCLUDED_ONLY) 0/681 variables, 0/448 constraints. Problems are: Problem set: 0 solved, 8 unsolved
At refinement iteration 24 (OVERLAPS) 0/681 variables, 0/448 constraints. Problems are: Problem set: 0 solved, 8 unsolved
No progress, stopping.
After SMT solving in domain Int declared 681/681 variables, and 448 constraints, problems are : Problem set: 0 solved, 8 unsolved in 14678 ms.
Refiners :[Positive P Invariants (semi-flows): 35/35 constraints, Generalized P Invariants (flows): 25/25 constraints, State Equation: 364/364 constraints, ReadFeed: 12/12 constraints, PredecessorRefiner: 8/8 constraints, Known Traps: 4/4 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 23002ms problems are : Problem set: 0 solved, 8 unsolved
Fused 8 Parikh solutions to 7 different solutions.
Parikh walk visited 0 properties in 21103 ms.
Support contains 14 out of 364 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 364/364 places, 317/317 transitions.
Applied a total of 0 rules in 23 ms. Remains 364 /364 variables (removed 0) and now considering 317/317 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 23 ms. Remains : 364/364 places, 317/317 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 364/364 places, 317/317 transitions.
Applied a total of 0 rules in 20 ms. Remains 364 /364 variables (removed 0) and now considering 317/317 (removed 0) transitions.
[2025-06-01 07:07:09] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-01 07:07:10] [INFO ] Implicit Places using invariants in 376 ms returned []
[2025-06-01 07:07:10] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-01 07:07:10] [INFO ] State equation strengthened by 12 read => feed constraints.
[2025-06-01 07:07:11] [INFO ] Implicit Places using invariants and state equation in 1552 ms returned []
Implicit Place search using SMT with State Equation took 1930 ms to find 0 implicit places.
Starting Z3 with timeout 200.0 s and query timeout 20000.0 ms
[2025-06-01 07:07:11] [INFO ] Redundant transitions in 30 ms returned []
Running 313 sub problems to find dead transitions.
[2025-06-01 07:07:11] [INFO ] Invariant cache hit.
[2025-06-01 07:07:11] [INFO ] State equation strengthened by 12 read => feed constraints.
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/360 variables, 33/33 constraints. Problems are: Problem set: 0 solved, 313 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/360 variables, 18/51 constraints. Problems are: Problem set: 0 solved, 313 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/360 variables, 0/51 constraints. Problems are: Problem set: 0 solved, 313 unsolved
At refinement iteration 3 (OVERLAPS) 1/361 variables, 2/53 constraints. Problems are: Problem set: 0 solved, 313 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/361 variables, 0/53 constraints. Problems are: Problem set: 0 solved, 313 unsolved
At refinement iteration 5 (OVERLAPS) 2/363 variables, 7/60 constraints. Problems are: Problem set: 0 solved, 313 unsolved
All remaining problems are real, not stopping.
At refinement iteration 6 (INCLUDED_ONLY) 0/363 variables, 0/60 constraints. Problems are: Problem set: 0 solved, 313 unsolved
At refinement iteration 7 (OVERLAPS) 317/680 variables, 363/423 constraints. Problems are: Problem set: 0 solved, 313 unsolved
SMT process timed out in 30297ms, After SMT, problems are : Problem set: 0 solved, 313 unsolved
Search for dead transitions found 0 dead transitions in 30303ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 32294 ms. Remains : 364/364 places, 317/317 transitions.
Attempting over-approximation, by ignoring read arcs.
Graph (complete) has 1262 edges and 364 vertex of which 363 are kept as prefixes of interest. Removing 1 places using SCC suffix rule.1 ms
Discarding 1 places :
Also discarding 0 output transitions
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 2 place count 363 transition count 317
Applied a total of 2 rules in 32 ms. Remains 363 /364 variables (removed 1) and now considering 317/317 (removed 0) transitions.
Running SMT prover for 8 properties.
// Phase 1: matrix 317 rows 363 cols
[2025-06-01 07:07:42] [INFO ] Computed 59 invariants in 10 ms
Starting Z3 with timeout 450.0 s and query timeout 45000.0 ms
[2025-06-01 07:07:42] [INFO ] [Real]Absence check using 34 positive place invariants in 17 ms returned sat
[2025-06-01 07:07:42] [INFO ] [Real]Absence check using 34 positive and 25 generalized place invariants in 50 ms returned sat
[2025-06-01 07:07:42] [INFO ] After 297ms SMT Verify possible using all constraints in real domain returned unsat :0 sat :0 real:8
Starting Z3 with timeout 450.0 s and query timeout 45000.0 ms
[2025-06-01 07:07:42] [INFO ] [Nat]Absence check using 34 positive place invariants in 15 ms returned sat
[2025-06-01 07:07:42] [INFO ] [Nat]Absence check using 34 positive and 25 generalized place invariants in 36 ms returned sat
[2025-06-01 07:07:43] [INFO ] After 589ms SMT Verify possible using state equation in natural domain returned unsat :0 sat :8
TRAPS : Iteration 0
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 07:07:43] [INFO ] Deduced a trap composed of 14 places in 109 ms of which 7 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 07:07:44] [INFO ] Deduced a trap composed of 16 places in 108 ms of which 6 ms to minimize.
[2025-06-01 07:07:44] [INFO ] Trap strengthening (SAT) tested/added 3/2 trap constraints in 293 ms
TRAPS : Iteration 1
[2025-06-01 07:07:45] [INFO ] After 2121ms SMT Verify possible using trap constraints in natural domain returned unsat :0 sat :8
[2025-06-01 07:07:45] [INFO ] After 3061ms SMT Verify possible using all constraints in natural domain returned unsat :0 sat :8
Over-approximation ignoring read arcs solved 0 properties in 3424 ms.
FORMULA DES-PT-60b-LTLCardinality-14 FALSE TECHNIQUES REACHABILITY_KNOWLEDGE
FORMULA DES-PT-60b-LTLCardinality-02 FALSE TECHNIQUES REACHABILITY_KNOWLEDGE
Computed a total of 298 stabilizing places and 290 stable transitions
Graph (complete) has 1130 edges and 478 vertex of which 470 are kept as prefixes of interest. Removing 8 places using SCC suffix rule.43 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(X((p0&&(X(X(p0))||G(p1))))))'
Support contains 3 out of 478 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 478/478 places, 418/418 transitions.
Discarding 4 places :
Symmetric choice reduction at 0 with 4 rule applications. Total rules 4 place count 474 transition count 414
Iterating global reduction 0 with 4 rules applied. Total rules applied 8 place count 474 transition count 414
Discarding 1 places :
Symmetric choice reduction at 0 with 1 rule applications. Total rules 9 place count 473 transition count 413
Iterating global reduction 0 with 1 rules applied. Total rules applied 10 place count 473 transition count 413
Applied a total of 10 rules in 65 ms. Remains 473 /478 variables (removed 5) and now considering 413/418 (removed 5) transitions.
// Phase 1: matrix 413 rows 473 cols
[2025-06-01 07:07:46] [INFO ] Computed 62 invariants in 33 ms
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-01 07:07:46] [INFO ] Implicit Places using invariants in 500 ms returned []
[2025-06-01 07:07:46] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-01 07:07:48] [INFO ] Implicit Places using invariants and state equation in 1642 ms returned []
Implicit Place search using SMT with State Equation took 2147 ms to find 0 implicit places.
Running 412 sub problems to find dead transitions.
[2025-06-01 07:07:48] [INFO ] Invariant cache hit.
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/472 variables, 16/16 constraints. Problems are: Problem set: 0 solved, 412 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/472 variables, 0/16 constraints. Problems are: Problem set: 0 solved, 412 unsolved
At refinement iteration 2 (OVERLAPS) 1/473 variables, 33/49 constraints. Problems are: Problem set: 0 solved, 412 unsolved
All remaining problems are real, not stopping.
At refinement iteration 3 (INCLUDED_ONLY) 0/473 variables, 13/62 constraints. Problems are: Problem set: 0 solved, 412 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/473 variables, 0/62 constraints. Problems are: Problem set: 0 solved, 412 unsolved
At refinement iteration 5 (OVERLAPS) 413/886 variables, 473/535 constraints. Problems are: Problem set: 0 solved, 412 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 07:08:13] [INFO ] Deduced a trap composed of 10 places in 192 ms of which 12 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 07:08:14] [INFO ] Deduced a trap composed of 15 places in 125 ms of which 14 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 07:08:14] [INFO ] Deduced a trap composed of 29 places in 79 ms of which 8 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 07:08:15] [INFO ] Deduced a trap composed of 12 places in 234 ms of which 20 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 07:08:15] [INFO ] Deduced a trap composed of 13 places in 282 ms of which 20 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 07:08:16] [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
[2025-06-01 07:08:16] [INFO ] Deduced a trap composed of 21 places in 213 ms of which 19 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 07:08:16] [INFO ] Deduced a trap composed of 14 places in 107 ms of which 7 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 07:08:17] [INFO ] Deduced a trap composed of 17 places in 183 ms of which 18 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 07:08:17] [INFO ] Deduced a trap composed of 18 places in 94 ms of which 8 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 07:08:17] [INFO ] Deduced a trap composed of 18 places in 165 ms of which 18 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 07:08:18] [INFO ] Deduced a trap composed of 19 places in 135 ms of which 17 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 07:08:18] [INFO ] Deduced a trap composed of 20 places in 156 ms of which 17 ms to minimize.
SMT process timed out in 30194ms, After SMT, problems are : Problem set: 0 solved, 412 unsolved
Search for dead transitions found 0 dead transitions in 30196ms
Starting structural reductions in LTL mode, iteration 1 : 473/478 places, 413/418 transitions.
Finished structural reductions in LTL mode , in 1 iterations and 32411 ms. Remains : 473/478 places, 413/418 transitions.
Stuttering acceptance computed with spot in 713 ms :[(NOT p0), (NOT p1), (NOT p0), (AND (NOT p0) (NOT p1)), (AND (NOT p1) (NOT p0)), (NOT p0), true, (NOT p0), (NOT p0)]
Running random walk in product with property : DES-PT-60b-LTLCardinality-01
Entered a terminal (fully accepting) state of product in 2 steps with 0 reset in 2 ms.
FORMULA DES-PT-60b-LTLCardinality-01 FALSE TECHNIQUES STUTTER_TEST
Treatment of property DES-PT-60b-LTLCardinality-01 finished in 33246 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) U p1)&&G((p2 U p3))))'
Support contains 8 out of 478 places. Attempting structural reductions.
Starting structural reductions in SI_LTL mode, iteration 0 : 478/478 places, 418/418 transitions.
Graph (complete) has 1130 edges and 478 vertex of which 472 are kept as prefixes of interest. Removing 6 places using SCC suffix rule.6 ms
Discarding 6 places :
Also discarding 3 output transitions
Drop transitions (Output transitions of discarded places.) removed 3 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 471 transition count 400
Reduce places removed 14 places and 0 transitions.
Iterating post reduction 1 with 14 rules applied. Total rules applied 29 place count 457 transition count 400
Performed 14 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 2 with 14 Pre rules applied. Total rules applied 29 place count 457 transition count 386
Deduced a syphon composed of 14 places in 2 ms
Reduce places removed 14 places and 0 transitions.
Iterating global reduction 2 with 28 rules applied. Total rules applied 57 place count 443 transition count 386
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 2 with 146 rules applied. Total rules applied 203 place count 370 transition count 313
Performed 3 Post agglomeration using F-continuation condition.Transition count delta: -8
Deduced a syphon composed of 3 places in 1 ms
Reduce places removed 3 places and 0 transitions.
Iterating global reduction 2 with 6 rules applied. Total rules applied 209 place count 367 transition count 321
Reduce places removed 2 places and 2 transitions.
Iterating global reduction 2 with 2 rules applied. Total rules applied 211 place count 365 transition count 319
Applied a total of 211 rules in 196 ms. Remains 365 /478 variables (removed 113) and now considering 319/418 (removed 99) transitions.
// Phase 1: matrix 319 rows 365 cols
[2025-06-01 07:08:19] [INFO ] Computed 59 invariants in 15 ms
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-01 07:08:19] [INFO ] Implicit Places using invariants in 584 ms returned []
[2025-06-01 07:08:19] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-01 07:08:20] [INFO ] State equation strengthened by 12 read => feed constraints.
[2025-06-01 07:08:21] [INFO ] Implicit Places using invariants and state equation in 1666 ms returned []
Implicit Place search using SMT with State Equation took 2252 ms to find 0 implicit places.
Starting Z3 with timeout 200.0 s and query timeout 20000.0 ms
[2025-06-01 07:08:21] [INFO ] Redundant transitions in 5 ms returned []
Running 315 sub problems to find dead transitions.
[2025-06-01 07:08:21] [INFO ] Invariant cache hit.
[2025-06-01 07:08:21] [INFO ] State equation strengthened by 12 read => feed constraints.
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/361 variables, 32/32 constraints. Problems are: Problem set: 0 solved, 315 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/361 variables, 18/50 constraints. Problems are: Problem set: 0 solved, 315 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/361 variables, 0/50 constraints. Problems are: Problem set: 0 solved, 315 unsolved
At refinement iteration 3 (OVERLAPS) 1/362 variables, 2/52 constraints. Problems are: Problem set: 0 solved, 315 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/362 variables, 0/52 constraints. Problems are: Problem set: 0 solved, 315 unsolved
At refinement iteration 5 (OVERLAPS) 2/364 variables, 7/59 constraints. Problems are: Problem set: 0 solved, 315 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/364 variables, 0/59 constraints. Problems are: Problem set: 0 solved, 315 unsolved
At refinement iteration 7 (OVERLAPS) 319/683 variables, 364/423 constraints. Problems are: Problem set: 0 solved, 315 unsolved
SMT process timed out in 30150ms, After SMT, problems are : Problem set: 0 solved, 315 unsolved
Search for dead transitions found 0 dead transitions in 30151ms
Starting structural reductions in SI_LTL mode, iteration 1 : 365/478 places, 319/418 transitions.
Finished structural reductions in SI_LTL mode , in 1 iterations and 32611 ms. Remains : 365/478 places, 319/418 transitions.
Stuttering acceptance computed with spot in 320 ms :[(OR (NOT p3) (NOT p1)), true, (NOT p0), (NOT p1), (NOT p3), (NOT p3)]
Running random walk in product with property : DES-PT-60b-LTLCardinality-03
Product exploration explored 100000 steps with 4475 reset in 768 ms.
Product exploration explored 100000 steps with 4453 reset in 466 ms.
Computed a total of 258 stabilizing places and 259 stable transitions
Graph (complete) has 1278 edges and 365 vertex of which 363 are kept as prefixes of interest. Removing 2 places using SCC suffix rule.11 ms
Computed a total of 258 stabilizing places and 259 stable transitions
Detected a total of 258/365 stabilizing places and 259/319 transitions leading to convergence knowledge of the form 'F(Gp|G!p)' for 1/4 atomic propositions.
Knowledge obtained : [(AND p3 p2 p1 p0), (X p2), (X (OR p3 p2)), (X p3), (X p0), (X (NOT (AND (NOT p1) (NOT p0)))), (X (NOT (AND (NOT p3) (NOT p2)))), (X (NOT (AND (NOT p3) p2))), (X p1), (X (X p2)), (X (X (OR p3 p2))), (X (X p3)), (X (X p0)), (X (X (NOT (AND (NOT p1) (NOT p0))))), (X (X (NOT (AND (NOT p3) (NOT p2))))), (X (X (NOT (AND (NOT p3) p2)))), (X (X p1)), (F (OR (G p2) (G (NOT p2))))]
False Knowledge obtained : []
Knowledge based reduction with 18 factoid took 148 ms. Reduced automaton from 6 states, 14 edges and 4 AP (stutter insensitive) to 3 states, 6 edges and 2 AP (stutter insensitive).
Stuttering acceptance computed with spot in 91 ms :[(NOT p3), true, (NOT p3)]
Reduction of identical properties reduced properties to check from 5 to 4
RANDOM walk for 40000 steps (1773 resets) in 360 ms. (110 steps per ms) remains 2/4 properties
BEST_FIRST walk for 40003 steps (364 resets) in 143 ms. (277 steps per ms) remains 2/2 properties
BEST_FIRST walk for 40003 steps (366 resets) in 130 ms. (305 steps per ms) remains 2/2 properties
[2025-06-01 07:08:53] [INFO ] Invariant cache hit.
[2025-06-01 07:08:53] [INFO ] State equation strengthened by 12 read => feed constraints.
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) 0/4 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 1 (OVERLAPS) 215/219 variables, 7/7 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/219 variables, 0/7 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 3 (OVERLAPS) 34/253 variables, 22/29 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/253 variables, 0/29 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 5 (OVERLAPS) 29/282 variables, 18/47 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/282 variables, 0/47 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 7 (OVERLAPS) 7/289 variables, 7/54 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/289 variables, 0/54 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 9 (OVERLAPS) 256/545 variables, 289/343 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/545 variables, 4/347 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/545 variables, 0/347 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 12 (OVERLAPS) 82/627 variables, 19/366 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 13 (INCLUDED_ONLY) 0/627 variables, 3/369 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 14 (INCLUDED_ONLY) 0/627 variables, 8/377 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 15 (INCLUDED_ONLY) 0/627 variables, 0/377 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 16 (OVERLAPS) 1/628 variables, 2/379 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 17 (INCLUDED_ONLY) 0/628 variables, 1/380 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 18 (INCLUDED_ONLY) 0/628 variables, 0/380 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 19 (OVERLAPS) 56/684 variables, 56/436 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 20 (INCLUDED_ONLY) 0/684 variables, 0/436 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 21 (OVERLAPS) 0/684 variables, 0/436 constraints. Problems are: Problem set: 0 solved, 2 unsolved
No progress, stopping.
After SMT solving in domain Real declared 684/684 variables, and 436 constraints, problems are : Problem set: 0 solved, 2 unsolved in 731 ms.
Refiners :[Positive P Invariants (semi-flows): 34/34 constraints, Generalized P Invariants (flows): 25/25 constraints, State Equation: 365/365 constraints, ReadFeed: 12/12 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) 215/219 variables, 7/7 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/219 variables, 0/7 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 3 (OVERLAPS) 34/253 variables, 22/29 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/253 variables, 0/29 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 5 (OVERLAPS) 29/282 variables, 18/47 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/282 variables, 0/47 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 7 (OVERLAPS) 7/289 variables, 7/54 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/289 variables, 0/54 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 9 (OVERLAPS) 256/545 variables, 289/343 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/545 variables, 4/347 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/545 variables, 0/347 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 12 (OVERLAPS) 82/627 variables, 19/366 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 13 (INCLUDED_ONLY) 0/627 variables, 3/369 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 14 (INCLUDED_ONLY) 0/627 variables, 8/377 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 15 (INCLUDED_ONLY) 0/627 variables, 2/379 constraints. Problems are: Problem set: 0 solved, 2 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 07:08:55] [INFO ] Deduced a trap composed of 3 places in 111 ms of which 7 ms to minimize.
At refinement iteration 16 (INCLUDED_ONLY) 0/627 variables, 1/380 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 17 (INCLUDED_ONLY) 0/627 variables, 0/380 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 18 (OVERLAPS) 1/628 variables, 2/382 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 19 (INCLUDED_ONLY) 0/628 variables, 1/383 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 20 (INCLUDED_ONLY) 0/628 variables, 0/383 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 21 (OVERLAPS) 56/684 variables, 56/439 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 22 (INCLUDED_ONLY) 0/684 variables, 0/439 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 23 (OVERLAPS) 0/684 variables, 0/439 constraints. Problems are: Problem set: 0 solved, 2 unsolved
No progress, stopping.
After SMT solving in domain Int declared 684/684 variables, and 439 constraints, problems are : Problem set: 0 solved, 2 unsolved in 4827 ms.
Refiners :[Positive P Invariants (semi-flows): 34/34 constraints, Generalized P Invariants (flows): 25/25 constraints, State Equation: 365/365 constraints, ReadFeed: 12/12 constraints, PredecessorRefiner: 2/2 constraints, Known Traps: 1/1 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 5568ms problems are : Problem set: 0 solved, 2 unsolved
Parikh walk visited 0 properties in 2328 ms.
Support contains 4 out of 365 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 365/365 places, 319/319 transitions.
Drop transitions (Trivial Post-Agglo cleanup.) removed 1 transitions
Trivial Post-agglo rules discarded 1 transitions
Performed 1 trivial Post agglomeration. Transition count delta: 1
Iterating post reduction 0 with 1 rules applied. Total rules applied 1 place count 365 transition count 318
Reduce places removed 1 places and 0 transitions.
Iterating post reduction 1 with 1 rules applied. Total rules applied 2 place count 364 transition count 318
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 2 with 2 rules applied. Total rules applied 4 place count 363 transition count 317
Free-agglomeration rule (complex) applied 2 times.
Iterating global reduction 2 with 2 rules applied. Total rules applied 6 place count 363 transition count 315
Reduce places removed 2 places and 0 transitions.
Iterating post reduction 2 with 2 rules applied. Total rules applied 8 place count 361 transition count 315
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 9 place count 361 transition count 315
Reduce places removed 1 places and 1 transitions.
Iterating global reduction 3 with 1 rules applied. Total rules applied 10 place count 360 transition count 314
Applied a total of 10 rules in 128 ms. Remains 360 /365 variables (removed 5) and now considering 314/319 (removed 5) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 128 ms. Remains : 360/365 places, 314/319 transitions.
RANDOM walk for 40000 steps (2085 resets) in 212 ms. (187 steps per ms) remains 2/2 properties
BEST_FIRST walk for 40004 steps (396 resets) in 92 ms. (430 steps per ms) remains 2/2 properties
BEST_FIRST walk for 40004 steps (438 resets) in 79 ms. (500 steps per ms) remains 2/2 properties
Interrupted probabilistic random walk after 730840 steps, run timeout after 3001 ms. (steps per millisecond=243 ) properties seen :0 out of 2
Probabilistic random walk after 730840 steps, saw 102430 distinct states, run finished after 3001 ms. (steps per millisecond=243 ) properties seen :0
// Phase 1: matrix 314 rows 360 cols
[2025-06-01 07:09:04] [INFO ] Computed 59 invariants in 5 ms
[2025-06-01 07:09:04] [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) 0/4 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 1 (OVERLAPS) 215/219 variables, 7/7 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/219 variables, 0/7 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 3 (OVERLAPS) 33/252 variables, 22/29 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/252 variables, 0/29 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 5 (OVERLAPS) 29/281 variables, 18/47 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/281 variables, 0/47 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 7 (OVERLAPS) 7/288 variables, 7/54 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/288 variables, 0/54 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 9 (OVERLAPS) 253/541 variables, 288/342 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/541 variables, 8/350 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/541 variables, 0/350 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 12 (OVERLAPS) 77/618 variables, 16/366 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 13 (INCLUDED_ONLY) 0/618 variables, 5/371 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 14 (INCLUDED_ONLY) 0/618 variables, 0/371 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 15 (OVERLAPS) 56/674 variables, 56/427 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 16 (INCLUDED_ONLY) 0/674 variables, 0/427 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 17 (OVERLAPS) 0/674 variables, 0/427 constraints. Problems are: Problem set: 0 solved, 2 unsolved
No progress, stopping.
After SMT solving in domain Real declared 674/674 variables, and 427 constraints, problems are : Problem set: 0 solved, 2 unsolved in 488 ms.
Refiners :[Positive P Invariants (semi-flows): 34/34 constraints, Generalized P Invariants (flows): 25/25 constraints, State Equation: 360/360 constraints, ReadFeed: 8/8 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 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) 215/219 variables, 7/7 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/219 variables, 0/7 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 3 (OVERLAPS) 33/252 variables, 22/29 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/252 variables, 0/29 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 5 (OVERLAPS) 29/281 variables, 18/47 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/281 variables, 0/47 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 7 (OVERLAPS) 7/288 variables, 7/54 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/288 variables, 0/54 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 9 (OVERLAPS) 253/541 variables, 288/342 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/541 variables, 8/350 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/541 variables, 0/350 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 12 (OVERLAPS) 77/618 variables, 16/366 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 13 (INCLUDED_ONLY) 0/618 variables, 5/371 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 14 (INCLUDED_ONLY) 0/618 variables, 2/373 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 15 (INCLUDED_ONLY) 0/618 variables, 0/373 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 16 (OVERLAPS) 56/674 variables, 56/429 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 17 (INCLUDED_ONLY) 0/674 variables, 0/429 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 18 (OVERLAPS) 0/674 variables, 0/429 constraints. Problems are: Problem set: 0 solved, 2 unsolved
No progress, stopping.
After SMT solving in domain Int declared 674/674 variables, and 429 constraints, problems are : Problem set: 0 solved, 2 unsolved in 6553 ms.
Refiners :[Positive P Invariants (semi-flows): 34/34 constraints, Generalized P Invariants (flows): 25/25 constraints, State Equation: 360/360 constraints, ReadFeed: 8/8 constraints, PredecessorRefiner: 2/2 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 7055ms problems are : Problem set: 0 solved, 2 unsolved
Parikh walk visited 0 properties in 1554 ms.
Support contains 4 out of 360 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 360/360 places, 314/314 transitions.
Applied a total of 0 rules in 22 ms. Remains 360 /360 variables (removed 0) and now considering 314/314 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 24 ms. Remains : 360/360 places, 314/314 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 360/360 places, 314/314 transitions.
Applied a total of 0 rules in 21 ms. Remains 360 /360 variables (removed 0) and now considering 314/314 (removed 0) transitions.
[2025-06-01 07:09:13] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-01 07:09:14] [INFO ] Implicit Places using invariants in 468 ms returned []
[2025-06-01 07:09:14] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-01 07:09:14] [INFO ] State equation strengthened by 8 read => feed constraints.
[2025-06-01 07:09:15] [INFO ] Implicit Places using invariants and state equation in 1275 ms returned []
Implicit Place search using SMT with State Equation took 1745 ms to find 0 implicit places.
Starting Z3 with timeout 200.0 s and query timeout 20000.0 ms
[2025-06-01 07:09:15] [INFO ] Redundant transitions in 5 ms returned []
Running 311 sub problems to find dead transitions.
[2025-06-01 07:09:15] [INFO ] Invariant cache hit.
[2025-06-01 07:09:15] [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) 0/357 variables, 34/34 constraints. Problems are: Problem set: 0 solved, 311 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/357 variables, 18/52 constraints. Problems are: Problem set: 0 solved, 311 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/357 variables, 0/52 constraints. Problems are: Problem set: 0 solved, 311 unsolved
All remaining problems are real, not stopping.
At refinement iteration 3 (OVERLAPS) 2/359 variables, 7/59 constraints. Problems are: Problem set: 0 solved, 311 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/359 variables, 0/59 constraints. Problems are: Problem set: 0 solved, 311 unsolved
At refinement iteration 5 (OVERLAPS) 314/673 variables, 359/418 constraints. Problems are: Problem set: 0 solved, 311 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/673 variables, 8/426 constraints. Problems are: Problem set: 0 solved, 311 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Real declared 673/674 variables, and 426 constraints, problems are : Problem set: 0 solved, 311 unsolved in 30016 ms.
Refiners :[Positive P Invariants (semi-flows): 34/34 constraints, Generalized P Invariants (flows): 25/25 constraints, State Equation: 359/360 constraints, ReadFeed: 8/8 constraints, PredecessorRefiner: 311/311 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 311 unsolved
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/357 variables, 34/34 constraints. Problems are: Problem set: 0 solved, 311 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/357 variables, 18/52 constraints. Problems are: Problem set: 0 solved, 311 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/357 variables, 0/52 constraints. Problems are: Problem set: 0 solved, 311 unsolved
At refinement iteration 3 (OVERLAPS) 2/359 variables, 7/59 constraints. Problems are: Problem set: 0 solved, 311 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/359 variables, 0/59 constraints. Problems are: Problem set: 0 solved, 311 unsolved
At refinement iteration 5 (OVERLAPS) 314/673 variables, 359/418 constraints. Problems are: Problem set: 0 solved, 311 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/673 variables, 8/426 constraints. Problems are: Problem set: 0 solved, 311 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/673 variables, 311/737 constraints. Problems are: Problem set: 0 solved, 311 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 673/674 variables, and 737 constraints, problems are : Problem set: 0 solved, 311 unsolved in 30015 ms.
Refiners :[Positive P Invariants (semi-flows): 34/34 constraints, Generalized P Invariants (flows): 25/25 constraints, State Equation: 359/360 constraints, ReadFeed: 8/8 constraints, PredecessorRefiner: 311/311 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 60284ms problems are : Problem set: 0 solved, 311 unsolved
Search for dead transitions found 0 dead transitions in 60286ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 62063 ms. Remains : 360/360 places, 314/314 transitions.
Attempting over-approximation, by ignoring read arcs.
Graph (complete) has 1260 edges and 360 vertex of which 359 are kept as prefixes of interest. Removing 1 places using SCC suffix rule.1 ms
Discarding 1 places :
Also discarding 0 output transitions
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 2 place count 359 transition count 314
Applied a total of 2 rules in 22 ms. Remains 359 /360 variables (removed 1) and now considering 314/314 (removed 0) transitions.
Running SMT prover for 2 properties.
// Phase 1: matrix 314 rows 359 cols
[2025-06-01 07:10:15] [INFO ] Computed 58 invariants in 4 ms
Starting Z3 with timeout 450.0 s and query timeout 45000.0 ms
[2025-06-01 07:10:15] [INFO ] After 85ms 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
[2025-06-01 07:10:15] [INFO ] [Nat]Absence check using 33 positive place invariants in 13 ms returned sat
[2025-06-01 07:10:15] [INFO ] [Nat]Absence check using 33 positive and 25 generalized place invariants in 38 ms returned sat
[2025-06-01 07:10:16] [INFO ] After 493ms SMT Verify possible using state equation in natural domain returned unsat :0 sat :2
TRAPS : Iteration 0
[2025-06-01 07:10:16] [INFO ] After 608ms SMT Verify possible using trap constraints in natural domain returned unsat :0 sat :2
[2025-06-01 07:10:16] [INFO ] After 899ms SMT Verify possible using all constraints in natural domain returned unsat :0 sat :2
Over-approximation ignoring read arcs solved 0 properties in 1022 ms.
Knowledge obtained : [(AND p3 p2 p1 p0), (X p2), (X (OR p3 p2)), (X p3), (X p0), (X (NOT (AND (NOT p1) (NOT p0)))), (X (NOT (AND (NOT p3) (NOT p2)))), (X (NOT (AND (NOT p3) p2))), (X p1), (X (X p2)), (X (X (OR p3 p2))), (X (X p3)), (X (X p0)), (X (X (NOT (AND (NOT p1) (NOT p0))))), (X (X (NOT (AND (NOT p3) (NOT p2))))), (X (X (NOT (AND (NOT p3) p2)))), (X (X p1)), (F (OR (G p2) (G (NOT p2))))]
False Knowledge obtained : [(F (NOT (OR (NOT p2) p3))), (F (NOT p3))]
Knowledge based reduction with 18 factoid took 310 ms. Reduced automaton from 3 states, 6 edges and 2 AP (stutter insensitive) to 3 states, 6 edges and 2 AP (stutter insensitive).
Stuttering acceptance computed with spot in 126 ms :[(NOT p3), true, (NOT p3)]
Stuttering acceptance computed with spot in 122 ms :[(NOT p3), true, (NOT p3)]
Support contains 4 out of 365 places. Attempting structural reductions.
Property had overlarge support with respect to TGBA, discarding it for now.
Starting structural reductions in SI_LTL mode, iteration 0 : 365/365 places, 319/319 transitions.
Applied a total of 0 rules in 20 ms. Remains 365 /365 variables (removed 0) and now considering 319/319 (removed 0) transitions.
// Phase 1: matrix 319 rows 365 cols
[2025-06-01 07:10:17] [INFO ] Computed 59 invariants in 7 ms
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-01 07:10:17] [INFO ] Implicit Places using invariants in 632 ms returned []
[2025-06-01 07:10:17] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-01 07:10:18] [INFO ] State equation strengthened by 12 read => feed constraints.
[2025-06-01 07:10:19] [INFO ] Implicit Places using invariants and state equation in 1805 ms returned []
Implicit Place search using SMT with State Equation took 2439 ms to find 0 implicit places.
Starting Z3 with timeout 200.0 s and query timeout 20000.0 ms
[2025-06-01 07:10:19] [INFO ] Redundant transitions in 3 ms returned []
Running 315 sub problems to find dead transitions.
[2025-06-01 07:10:19] [INFO ] Invariant cache hit.
[2025-06-01 07:10:19] [INFO ] State equation strengthened by 12 read => feed constraints.
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/361 variables, 32/32 constraints. Problems are: Problem set: 0 solved, 315 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/361 variables, 18/50 constraints. Problems are: Problem set: 0 solved, 315 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/361 variables, 0/50 constraints. Problems are: Problem set: 0 solved, 315 unsolved
At refinement iteration 3 (OVERLAPS) 1/362 variables, 2/52 constraints. Problems are: Problem set: 0 solved, 315 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/362 variables, 0/52 constraints. Problems are: Problem set: 0 solved, 315 unsolved
At refinement iteration 5 (OVERLAPS) 2/364 variables, 7/59 constraints. Problems are: Problem set: 0 solved, 315 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/364 variables, 0/59 constraints. Problems are: Problem set: 0 solved, 315 unsolved
At refinement iteration 7 (OVERLAPS) 319/683 variables, 364/423 constraints. Problems are: Problem set: 0 solved, 315 unsolved
SMT process timed out in 30137ms, After SMT, problems are : Problem set: 0 solved, 315 unsolved
Search for dead transitions found 0 dead transitions in 30138ms
Finished structural reductions in SI_LTL mode , in 1 iterations and 32607 ms. Remains : 365/365 places, 319/319 transitions.
Computed a total of 258 stabilizing places and 259 stable transitions
Graph (complete) has 1278 edges and 365 vertex of which 363 are kept as prefixes of interest. Removing 2 places using SCC suffix rule.10 ms
Computed a total of 258 stabilizing places and 259 stable transitions
Detected a total of 258/365 stabilizing places and 259/319 transitions leading to convergence knowledge of the form 'F(Gp|G!p)' for 1/2 atomic propositions.
Knowledge obtained : [(AND p2 p3), (X p2), (X p3), (X (OR p2 p3)), (X (NOT (AND (NOT p2) (NOT p3)))), (X (NOT (AND p2 (NOT p3)))), (X (X p2)), (X (X p3)), (X (X (OR p2 p3))), (X (X (NOT (AND (NOT p2) (NOT p3))))), (X (X (NOT (AND p2 (NOT p3))))), (F (OR (G p2) (G (NOT p2))))]
False Knowledge obtained : []
Knowledge based reduction with 12 factoid took 235 ms. Reduced automaton from 3 states, 6 edges and 2 AP (stutter insensitive) to 3 states, 6 edges and 2 AP (stutter insensitive).
Stuttering acceptance computed with spot in 124 ms :[(NOT p3), true, (NOT p3)]
Reduction of identical properties reduced properties to check from 5 to 4
RANDOM walk for 40000 steps (1770 resets) in 244 ms. (163 steps per ms) remains 2/4 properties
BEST_FIRST walk for 40003 steps (365 resets) in 83 ms. (476 steps per ms) remains 2/2 properties
BEST_FIRST walk for 40004 steps (332 resets) in 86 ms. (459 steps per ms) remains 2/2 properties
[2025-06-01 07:10:50] [INFO ] Invariant cache hit.
[2025-06-01 07:10:50] [INFO ] State equation strengthened by 12 read => feed constraints.
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) 0/4 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 1 (OVERLAPS) 215/219 variables, 7/7 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/219 variables, 0/7 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 3 (OVERLAPS) 34/253 variables, 22/29 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/253 variables, 0/29 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 5 (OVERLAPS) 29/282 variables, 18/47 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/282 variables, 0/47 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 7 (OVERLAPS) 7/289 variables, 7/54 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/289 variables, 0/54 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 9 (OVERLAPS) 256/545 variables, 289/343 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/545 variables, 4/347 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/545 variables, 0/347 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 12 (OVERLAPS) 82/627 variables, 19/366 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 13 (INCLUDED_ONLY) 0/627 variables, 3/369 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 14 (INCLUDED_ONLY) 0/627 variables, 8/377 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 15 (INCLUDED_ONLY) 0/627 variables, 0/377 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 16 (OVERLAPS) 1/628 variables, 2/379 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 17 (INCLUDED_ONLY) 0/628 variables, 1/380 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 18 (INCLUDED_ONLY) 0/628 variables, 0/380 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 19 (OVERLAPS) 56/684 variables, 56/436 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 20 (INCLUDED_ONLY) 0/684 variables, 0/436 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 21 (OVERLAPS) 0/684 variables, 0/436 constraints. Problems are: Problem set: 0 solved, 2 unsolved
No progress, stopping.
After SMT solving in domain Real declared 684/684 variables, and 436 constraints, problems are : Problem set: 0 solved, 2 unsolved in 831 ms.
Refiners :[Positive P Invariants (semi-flows): 34/34 constraints, Generalized P Invariants (flows): 25/25 constraints, State Equation: 365/365 constraints, ReadFeed: 12/12 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) 215/219 variables, 7/7 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/219 variables, 0/7 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 3 (OVERLAPS) 34/253 variables, 22/29 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/253 variables, 0/29 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 5 (OVERLAPS) 29/282 variables, 18/47 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/282 variables, 0/47 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 7 (OVERLAPS) 7/289 variables, 7/54 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/289 variables, 0/54 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 9 (OVERLAPS) 256/545 variables, 289/343 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/545 variables, 4/347 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/545 variables, 0/347 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 12 (OVERLAPS) 82/627 variables, 19/366 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 13 (INCLUDED_ONLY) 0/627 variables, 3/369 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 14 (INCLUDED_ONLY) 0/627 variables, 8/377 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 15 (INCLUDED_ONLY) 0/627 variables, 2/379 constraints. Problems are: Problem set: 0 solved, 2 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 07:10:52] [INFO ] Deduced a trap composed of 3 places in 160 ms of which 11 ms to minimize.
At refinement iteration 16 (INCLUDED_ONLY) 0/627 variables, 1/380 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 17 (INCLUDED_ONLY) 0/627 variables, 0/380 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 18 (OVERLAPS) 1/628 variables, 2/382 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 19 (INCLUDED_ONLY) 0/628 variables, 1/383 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 20 (INCLUDED_ONLY) 0/628 variables, 0/383 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 21 (OVERLAPS) 56/684 variables, 56/439 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 22 (INCLUDED_ONLY) 0/684 variables, 0/439 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 23 (OVERLAPS) 0/684 variables, 0/439 constraints. Problems are: Problem set: 0 solved, 2 unsolved
No progress, stopping.
After SMT solving in domain Int declared 684/684 variables, and 439 constraints, problems are : Problem set: 0 solved, 2 unsolved in 4976 ms.
Refiners :[Positive P Invariants (semi-flows): 34/34 constraints, Generalized P Invariants (flows): 25/25 constraints, State Equation: 365/365 constraints, ReadFeed: 12/12 constraints, PredecessorRefiner: 2/2 constraints, Known Traps: 1/1 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 5827ms problems are : Problem set: 0 solved, 2 unsolved
Parikh walk visited 0 properties in 1919 ms.
Support contains 4 out of 365 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 365/365 places, 319/319 transitions.
Drop transitions (Trivial Post-Agglo cleanup.) removed 1 transitions
Trivial Post-agglo rules discarded 1 transitions
Performed 1 trivial Post agglomeration. Transition count delta: 1
Iterating post reduction 0 with 1 rules applied. Total rules applied 1 place count 365 transition count 318
Reduce places removed 1 places and 0 transitions.
Iterating post reduction 1 with 1 rules applied. Total rules applied 2 place count 364 transition count 318
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 2 with 2 rules applied. Total rules applied 4 place count 363 transition count 317
Free-agglomeration rule (complex) applied 2 times.
Iterating global reduction 2 with 2 rules applied. Total rules applied 6 place count 363 transition count 315
Reduce places removed 2 places and 0 transitions.
Iterating post reduction 2 with 2 rules applied. Total rules applied 8 place count 361 transition count 315
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 9 place count 361 transition count 315
Reduce places removed 1 places and 1 transitions.
Iterating global reduction 3 with 1 rules applied. Total rules applied 10 place count 360 transition count 314
Applied a total of 10 rules in 50 ms. Remains 360 /365 variables (removed 5) and now considering 314/319 (removed 5) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 50 ms. Remains : 360/365 places, 314/319 transitions.
RANDOM walk for 40000 steps (2069 resets) in 175 ms. (227 steps per ms) remains 2/2 properties
BEST_FIRST walk for 40003 steps (399 resets) in 88 ms. (449 steps per ms) remains 2/2 properties
BEST_FIRST walk for 40004 steps (441 resets) in 81 ms. (487 steps per ms) remains 2/2 properties
Interrupted probabilistic random walk after 674341 steps, run timeout after 3001 ms. (steps per millisecond=224 ) properties seen :0 out of 2
Probabilistic random walk after 674341 steps, saw 94311 distinct states, run finished after 3001 ms. (steps per millisecond=224 ) properties seen :0
// Phase 1: matrix 314 rows 360 cols
[2025-06-01 07:11:01] [INFO ] Computed 59 invariants in 4 ms
[2025-06-01 07:11:01] [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) 0/4 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 1 (OVERLAPS) 215/219 variables, 7/7 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/219 variables, 0/7 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 3 (OVERLAPS) 33/252 variables, 22/29 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/252 variables, 0/29 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 5 (OVERLAPS) 29/281 variables, 18/47 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/281 variables, 0/47 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 7 (OVERLAPS) 7/288 variables, 7/54 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/288 variables, 0/54 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 9 (OVERLAPS) 253/541 variables, 288/342 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/541 variables, 8/350 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/541 variables, 0/350 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 12 (OVERLAPS) 77/618 variables, 16/366 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 13 (INCLUDED_ONLY) 0/618 variables, 5/371 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 14 (INCLUDED_ONLY) 0/618 variables, 0/371 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 15 (OVERLAPS) 56/674 variables, 56/427 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 16 (INCLUDED_ONLY) 0/674 variables, 0/427 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 17 (OVERLAPS) 0/674 variables, 0/427 constraints. Problems are: Problem set: 0 solved, 2 unsolved
No progress, stopping.
After SMT solving in domain Real declared 674/674 variables, and 427 constraints, problems are : Problem set: 0 solved, 2 unsolved in 635 ms.
Refiners :[Positive P Invariants (semi-flows): 34/34 constraints, Generalized P Invariants (flows): 25/25 constraints, State Equation: 360/360 constraints, ReadFeed: 8/8 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 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) 215/219 variables, 7/7 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/219 variables, 0/7 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 3 (OVERLAPS) 33/252 variables, 22/29 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/252 variables, 0/29 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 5 (OVERLAPS) 29/281 variables, 18/47 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/281 variables, 0/47 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 7 (OVERLAPS) 7/288 variables, 7/54 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/288 variables, 0/54 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 9 (OVERLAPS) 253/541 variables, 288/342 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/541 variables, 8/350 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/541 variables, 0/350 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 12 (OVERLAPS) 77/618 variables, 16/366 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 13 (INCLUDED_ONLY) 0/618 variables, 5/371 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 14 (INCLUDED_ONLY) 0/618 variables, 2/373 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 15 (INCLUDED_ONLY) 0/618 variables, 0/373 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 16 (OVERLAPS) 56/674 variables, 56/429 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 17 (INCLUDED_ONLY) 0/674 variables, 0/429 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 18 (OVERLAPS) 0/674 variables, 0/429 constraints. Problems are: Problem set: 0 solved, 2 unsolved
No progress, stopping.
After SMT solving in domain Int declared 674/674 variables, and 429 constraints, problems are : Problem set: 0 solved, 2 unsolved in 6533 ms.
Refiners :[Positive P Invariants (semi-flows): 34/34 constraints, Generalized P Invariants (flows): 25/25 constraints, State Equation: 360/360 constraints, ReadFeed: 8/8 constraints, PredecessorRefiner: 2/2 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 7181ms problems are : Problem set: 0 solved, 2 unsolved
Parikh walk visited 0 properties in 1325 ms.
Support contains 4 out of 360 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 360/360 places, 314/314 transitions.
Applied a total of 0 rules in 10 ms. Remains 360 /360 variables (removed 0) and now considering 314/314 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 10 ms. Remains : 360/360 places, 314/314 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 360/360 places, 314/314 transitions.
Applied a total of 0 rules in 8 ms. Remains 360 /360 variables (removed 0) and now considering 314/314 (removed 0) transitions.
[2025-06-01 07:11:09] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-01 07:11:10] [INFO ] Implicit Places using invariants in 580 ms returned []
[2025-06-01 07:11:10] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-01 07:11:10] [INFO ] State equation strengthened by 8 read => feed constraints.
[2025-06-01 07:11:11] [INFO ] Implicit Places using invariants and state equation in 1271 ms returned []
Implicit Place search using SMT with State Equation took 1854 ms to find 0 implicit places.
Starting Z3 with timeout 200.0 s and query timeout 20000.0 ms
[2025-06-01 07:11:11] [INFO ] Redundant transitions in 2 ms returned []
Running 311 sub problems to find dead transitions.
[2025-06-01 07:11:11] [INFO ] Invariant cache hit.
[2025-06-01 07:11:11] [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) 0/357 variables, 34/34 constraints. Problems are: Problem set: 0 solved, 311 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/357 variables, 18/52 constraints. Problems are: Problem set: 0 solved, 311 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/357 variables, 0/52 constraints. Problems are: Problem set: 0 solved, 311 unsolved
All remaining problems are real, not stopping.
At refinement iteration 3 (OVERLAPS) 2/359 variables, 7/59 constraints. Problems are: Problem set: 0 solved, 311 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/359 variables, 0/59 constraints. Problems are: Problem set: 0 solved, 311 unsolved
At refinement iteration 5 (OVERLAPS) 314/673 variables, 359/418 constraints. Problems are: Problem set: 0 solved, 311 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/673 variables, 8/426 constraints. Problems are: Problem set: 0 solved, 311 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Real declared 673/674 variables, and 426 constraints, problems are : Problem set: 0 solved, 311 unsolved in 30017 ms.
Refiners :[Positive P Invariants (semi-flows): 34/34 constraints, Generalized P Invariants (flows): 25/25 constraints, State Equation: 359/360 constraints, ReadFeed: 8/8 constraints, PredecessorRefiner: 311/311 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 311 unsolved
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/357 variables, 34/34 constraints. Problems are: Problem set: 0 solved, 311 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/357 variables, 18/52 constraints. Problems are: Problem set: 0 solved, 311 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/357 variables, 0/52 constraints. Problems are: Problem set: 0 solved, 311 unsolved
At refinement iteration 3 (OVERLAPS) 2/359 variables, 7/59 constraints. Problems are: Problem set: 0 solved, 311 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/359 variables, 0/59 constraints. Problems are: Problem set: 0 solved, 311 unsolved
At refinement iteration 5 (OVERLAPS) 314/673 variables, 359/418 constraints. Problems are: Problem set: 0 solved, 311 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/673 variables, 8/426 constraints. Problems are: Problem set: 0 solved, 311 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/673 variables, 311/737 constraints. Problems are: Problem set: 0 solved, 311 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 673/674 variables, and 737 constraints, problems are : Problem set: 0 solved, 311 unsolved in 30014 ms.
Refiners :[Positive P Invariants (semi-flows): 34/34 constraints, Generalized P Invariants (flows): 25/25 constraints, State Equation: 359/360 constraints, ReadFeed: 8/8 constraints, PredecessorRefiner: 311/311 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 60145ms problems are : Problem set: 0 solved, 311 unsolved
Search for dead transitions found 0 dead transitions in 60147ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 62018 ms. Remains : 360/360 places, 314/314 transitions.
Attempting over-approximation, by ignoring read arcs.
Graph (complete) has 1260 edges and 360 vertex of which 359 are kept as prefixes of interest. Removing 1 places using SCC suffix rule.0 ms
Discarding 1 places :
Also discarding 0 output transitions
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 2 place count 359 transition count 314
Applied a total of 2 rules in 18 ms. Remains 359 /360 variables (removed 1) and now considering 314/314 (removed 0) transitions.
Running SMT prover for 2 properties.
// Phase 1: matrix 314 rows 359 cols
[2025-06-01 07:12:11] [INFO ] Computed 58 invariants in 5 ms
Starting Z3 with timeout 450.0 s and query timeout 45000.0 ms
[2025-06-01 07:12:11] [INFO ] After 85ms 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
[2025-06-01 07:12:12] [INFO ] [Nat]Absence check using 33 positive place invariants in 10 ms returned sat
[2025-06-01 07:12:12] [INFO ] [Nat]Absence check using 33 positive and 25 generalized place invariants in 22 ms returned sat
[2025-06-01 07:12:12] [INFO ] After 346ms SMT Verify possible using state equation in natural domain returned unsat :0 sat :2
TRAPS : Iteration 0
[2025-06-01 07:12:12] [INFO ] After 458ms SMT Verify possible using trap constraints in natural domain returned unsat :0 sat :2
[2025-06-01 07:12:12] [INFO ] After 690ms SMT Verify possible using all constraints in natural domain returned unsat :0 sat :2
Over-approximation ignoring read arcs solved 0 properties in 807 ms.
Knowledge obtained : [(AND p2 p3), (X p2), (X p3), (X (OR p2 p3)), (X (NOT (AND (NOT p2) (NOT p3)))), (X (NOT (AND p2 (NOT p3)))), (X (X p2)), (X (X p3)), (X (X (OR p2 p3))), (X (X (NOT (AND (NOT p2) (NOT p3))))), (X (X (NOT (AND p2 (NOT p3))))), (F (OR (G p2) (G (NOT p2))))]
False Knowledge obtained : [(F (NOT (OR (NOT p2) p3))), (F (NOT p3))]
Knowledge based reduction with 12 factoid took 358 ms. Reduced automaton from 3 states, 6 edges and 2 AP (stutter insensitive) to 3 states, 6 edges and 2 AP (stutter insensitive).
Stuttering acceptance computed with spot in 118 ms :[(NOT p3), true, (NOT p3)]
Stuttering acceptance computed with spot in 118 ms :[(NOT p3), true, (NOT p3)]
Stuttering acceptance computed with spot in 119 ms :[(NOT p3), true, (NOT p3)]
Product exploration explored 100000 steps with 4489 reset in 467 ms.
Product exploration explored 100000 steps with 4433 reset in 491 ms.
Built C files in :
/tmp/ltsmin15044250969866684516
[2025-06-01 07:12:14] [INFO ] Computing symmetric may disable matrix : 319 transitions.
[2025-06-01 07:12:14] [INFO ] Computation of Complete disable matrix. took 5 ms. Total solver calls (SAT/UNSAT): 0(0/0)
[2025-06-01 07:12:14] [INFO ] Computing symmetric may enable matrix : 319 transitions.
[2025-06-01 07:12:14] [INFO ] Computation of Complete enable matrix. took 3 ms. Total solver calls (SAT/UNSAT): 0(0/0)
[2025-06-01 07:12:14] [INFO ] Computing Do-Not-Accords matrix : 319 transitions.
[2025-06-01 07:12:14] [INFO ] Computation of Completed DNA matrix. took 11 ms. Total solver calls (SAT/UNSAT): 0(0/0)
[2025-06-01 07:12:14] [INFO ] Built C files in 89ms conformant to PINS (ltsmin variant)in folder :/tmp/ltsmin15044250969866684516
Running compilation step : cd /tmp/ltsmin15044250969866684516;'/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 1549 ms.
Running link step : cd /tmp/ltsmin15044250969866684516;'gcc' '-shared' '-o' 'gal.so' 'model.o'
Link finished in 85 ms.
Running LTSmin : cd /tmp/ltsmin15044250969866684516;'/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/stateBased15371925430230266887.hoa' '--buchi-type=spotba'
LTSmin run took 12968 ms.
FORMULA DES-PT-60b-LTLCardinality-03 FALSE TECHNIQUES PARTIAL_ORDER EXPLICIT LTSMIN SAT_SMT
Treatment of property DES-PT-60b-LTLCardinality-03 finished in 249955 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(X(p0)))'
Support contains 2 out of 478 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 478/478 places, 418/418 transitions.
Discarding 4 places :
Symmetric choice reduction at 0 with 4 rule applications. Total rules 4 place count 474 transition count 414
Iterating global reduction 0 with 4 rules applied. Total rules applied 8 place count 474 transition count 414
Discarding 1 places :
Symmetric choice reduction at 0 with 1 rule applications. Total rules 9 place count 473 transition count 413
Iterating global reduction 0 with 1 rules applied. Total rules applied 10 place count 473 transition count 413
Applied a total of 10 rules in 28 ms. Remains 473 /478 variables (removed 5) and now considering 413/418 (removed 5) transitions.
// Phase 1: matrix 413 rows 473 cols
[2025-06-01 07:12:29] [INFO ] Computed 62 invariants in 8 ms
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-01 07:12:29] [INFO ] Implicit Places using invariants in 516 ms returned []
[2025-06-01 07:12:29] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-01 07:12:31] [INFO ] Implicit Places using invariants and state equation in 1891 ms returned []
Implicit Place search using SMT with State Equation took 2409 ms to find 0 implicit places.
Running 412 sub problems to find dead transitions.
[2025-06-01 07:12:31] [INFO ] Invariant cache hit.
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/472 variables, 16/16 constraints. Problems are: Problem set: 0 solved, 412 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/472 variables, 0/16 constraints. Problems are: Problem set: 0 solved, 412 unsolved
At refinement iteration 2 (OVERLAPS) 1/473 variables, 33/49 constraints. Problems are: Problem set: 0 solved, 412 unsolved
All remaining problems are real, not stopping.
At refinement iteration 3 (INCLUDED_ONLY) 0/473 variables, 13/62 constraints. Problems are: Problem set: 0 solved, 412 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/473 variables, 0/62 constraints. Problems are: Problem set: 0 solved, 412 unsolved
At refinement iteration 5 (OVERLAPS) 413/886 variables, 473/535 constraints. Problems are: Problem set: 0 solved, 412 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Real declared 886/886 variables, and 535 constraints, problems are : Problem set: 0 solved, 412 unsolved in 30023 ms.
Refiners :[Positive P Invariants (semi-flows): 33/33 constraints, Generalized P Invariants (flows): 29/29 constraints, State Equation: 473/473 constraints, PredecessorRefiner: 412/412 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 412 unsolved
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/472 variables, 16/16 constraints. Problems are: Problem set: 0 solved, 412 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/472 variables, 0/16 constraints. Problems are: Problem set: 0 solved, 412 unsolved
At refinement iteration 2 (OVERLAPS) 1/473 variables, 33/49 constraints. Problems are: Problem set: 0 solved, 412 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/473 variables, 13/62 constraints. Problems are: Problem set: 0 solved, 412 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 07:13:15] [INFO ] Deduced a trap composed of 12 places in 150 ms of which 11 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 07:13:15] [INFO ] Deduced a trap composed of 16 places in 127 ms of which 10 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 07:13:15] [INFO ] Deduced a trap composed of 22 places in 131 ms of which 10 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 07:13:16] [INFO ] Deduced a trap composed of 21 places in 144 ms of which 13 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 07:13:16] [INFO ] Deduced a trap composed of 30 places in 126 ms of which 7 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 07:13:16] [INFO ] Deduced a trap composed of 23 places in 117 ms of which 7 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 07:13:16] [INFO ] Deduced a trap composed of 14 places in 106 ms of which 7 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 07:13:16] [INFO ] Deduced a trap composed of 17 places in 101 ms of which 8 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 07:13:17] [INFO ] Deduced a trap composed of 18 places in 87 ms of which 8 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 07:13:17] [INFO ] Deduced a trap composed of 15 places in 67 ms of which 6 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 07:13:17] [INFO ] Deduced a trap composed of 22 places in 104 ms of which 9 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 07:13:18] [INFO ] Deduced a trap composed of 10 places in 161 ms of which 12 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 07:13:18] [INFO ] Deduced a trap composed of 11 places in 154 ms of which 10 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 07:13:18] [INFO ] Deduced a trap composed of 14 places in 74 ms of which 5 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 07:13:18] [INFO ] Deduced a trap composed of 13 places in 60 ms of which 6 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 07:13:19] [INFO ] Deduced a trap composed of 14 places in 66 ms of which 7 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 07:13:19] [INFO ] Deduced a trap composed of 10 places in 59 ms of which 7 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 07:13:19] [INFO ] Deduced a trap composed of 11 places in 62 ms of which 7 ms to minimize.
At refinement iteration 4 (INCLUDED_ONLY) 0/473 variables, 18/80 constraints. Problems are: Problem set: 0 solved, 412 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 07:13:23] [INFO ] Deduced a trap composed of 29 places in 45 ms of which 5 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 07:13:24] [INFO ] Deduced a trap composed of 14 places in 37 ms of which 3 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 07:13:27] [INFO ] Deduced a trap composed of 29 places in 43 ms of which 6 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 07:13:27] [INFO ] Deduced a trap composed of 32 places in 44 ms of which 4 ms to minimize.
At refinement iteration 5 (INCLUDED_ONLY) 0/473 variables, 4/84 constraints. Problems are: Problem set: 0 solved, 412 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 07:13:28] [INFO ] Deduced a trap composed of 17 places in 63 ms of which 5 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 07:13:29] [INFO ] Deduced a trap composed of 16 places in 59 ms of which 7 ms to minimize.
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 473/886 variables, and 86 constraints, problems are : Problem set: 0 solved, 412 unsolved in 30016 ms.
Refiners :[Positive P Invariants (semi-flows): 33/33 constraints, Generalized P Invariants (flows): 29/29 constraints, State Equation: 0/473 constraints, PredecessorRefiner: 0/412 constraints, Known Traps: 24/24 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 60147ms problems are : Problem set: 0 solved, 412 unsolved
Search for dead transitions found 0 dead transitions in 60149ms
Starting structural reductions in LTL mode, iteration 1 : 473/478 places, 413/418 transitions.
Finished structural reductions in LTL mode , in 1 iterations and 62589 ms. Remains : 473/478 places, 413/418 transitions.
Stuttering acceptance computed with spot in 118 ms :[(NOT p0), (NOT p0), true, (NOT p0)]
Running random walk in product with property : DES-PT-60b-LTLCardinality-07
Product exploration explored 100000 steps with 33333 reset in 186 ms.
Product exploration explored 100000 steps with 33333 reset in 173 ms.
Computed a total of 296 stabilizing places and 288 stable transitions
Graph (complete) has 1126 edges and 473 vertex of which 467 are kept as prefixes of interest. Removing 6 places using SCC suffix rule.4 ms
Computed a total of 296 stabilizing places and 288 stable transitions
Knowledge obtained : [p0, (X (X p0))]
False Knowledge obtained : []
Property proved to be true thanks to knowledge (Minato strategy)
Knowledge based reduction with 2 factoid took 13 ms. Reduced automaton from 4 states, 4 edges and 1 AP (stutter sensitive) to 1 states, 0 edges and 0 AP (stutter insensitive).
FORMULA DES-PT-60b-LTLCardinality-07 TRUE TECHNIQUES KNOWLEDGE
Treatment of property DES-PT-60b-LTLCardinality-07 finished in 63100 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)))'
Support contains 2 out of 478 places. Attempting structural reductions.
Starting structural reductions in SI_LTL mode, iteration 0 : 478/478 places, 418/418 transitions.
Graph (complete) has 1130 edges and 478 vertex of which 471 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 16 transitions
Trivial Post-agglo rules discarded 16 transitions
Performed 16 trivial Post agglomeration. Transition count delta: 16
Iterating post reduction 0 with 16 rules applied. Total rules applied 17 place count 470 transition count 397
Reduce places removed 16 places and 0 transitions.
Iterating post reduction 1 with 16 rules applied. Total rules applied 33 place count 454 transition count 397
Performed 13 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 2 with 13 Pre rules applied. Total rules applied 33 place count 454 transition count 384
Deduced a syphon composed of 13 places in 1 ms
Reduce places removed 13 places and 0 transitions.
Iterating global reduction 2 with 26 rules applied. Total rules applied 59 place count 441 transition count 384
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 2 with 150 rules applied. Total rules applied 209 place count 366 transition count 309
Performed 3 Post agglomeration using F-continuation condition.Transition count delta: -8
Deduced a syphon composed of 3 places in 1 ms
Reduce places removed 3 places and 0 transitions.
Iterating global reduction 2 with 6 rules applied. Total rules applied 215 place count 363 transition count 317
Partial Post-agglomeration rule applied 1 times.
Drop transitions (Partial Post agglomeration) removed 1 transitions
Iterating global reduction 2 with 1 rules applied. Total rules applied 216 place count 363 transition count 317
Reduce places removed 2 places and 2 transitions.
Iterating global reduction 2 with 2 rules applied. Total rules applied 218 place count 361 transition count 315
Applied a total of 218 rules in 64 ms. Remains 361 /478 variables (removed 117) and now considering 315/418 (removed 103) transitions.
// Phase 1: matrix 315 rows 361 cols
[2025-06-01 07:13:32] [INFO ] Computed 59 invariants in 5 ms
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-01 07:13:32] [INFO ] Implicit Places using invariants in 333 ms returned []
[2025-06-01 07:13:32] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-01 07:13:32] [INFO ] State equation strengthened by 8 read => feed constraints.
[2025-06-01 07:13:34] [INFO ] Implicit Places using invariants and state equation in 1569 ms returned []
Implicit Place search using SMT with State Equation took 1904 ms to find 0 implicit places.
Starting Z3 with timeout 200.0 s and query timeout 20000.0 ms
[2025-06-01 07:13:34] [INFO ] Redundant transitions in 2 ms returned []
Running 312 sub problems to find dead transitions.
[2025-06-01 07:13:34] [INFO ] Invariant cache hit.
[2025-06-01 07:13:34] [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) 0/358 variables, 34/34 constraints. Problems are: Problem set: 0 solved, 312 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/358 variables, 18/52 constraints. Problems are: Problem set: 0 solved, 312 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/358 variables, 0/52 constraints. Problems are: Problem set: 0 solved, 312 unsolved
At refinement iteration 3 (OVERLAPS) 2/360 variables, 7/59 constraints. Problems are: Problem set: 0 solved, 312 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/360 variables, 0/59 constraints. Problems are: Problem set: 0 solved, 312 unsolved
At refinement iteration 5 (OVERLAPS) 315/675 variables, 360/419 constraints. Problems are: Problem set: 0 solved, 312 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/675 variables, 8/427 constraints. Problems are: Problem set: 0 solved, 312 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/675 variables, 0/427 constraints. Problems are: Problem set: 0 solved, 312 unsolved
At refinement iteration 8 (OVERLAPS) 1/676 variables, 1/428 constraints. Problems are: Problem set: 0 solved, 312 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Real declared 676/676 variables, and 428 constraints, problems are : Problem set: 0 solved, 312 unsolved in 30015 ms.
Refiners :[Positive P Invariants (semi-flows): 34/34 constraints, Generalized P Invariants (flows): 25/25 constraints, State Equation: 361/361 constraints, ReadFeed: 8/8 constraints, PredecessorRefiner: 312/312 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 312 unsolved
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/358 variables, 34/34 constraints. Problems are: Problem set: 0 solved, 312 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/358 variables, 18/52 constraints. Problems are: Problem set: 0 solved, 312 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/358 variables, 0/52 constraints. Problems are: Problem set: 0 solved, 312 unsolved
At refinement iteration 3 (OVERLAPS) 2/360 variables, 7/59 constraints. Problems are: Problem set: 0 solved, 312 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/360 variables, 0/59 constraints. Problems are: Problem set: 0 solved, 312 unsolved
At refinement iteration 5 (OVERLAPS) 315/675 variables, 360/419 constraints. Problems are: Problem set: 0 solved, 312 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/675 variables, 8/427 constraints. Problems are: Problem set: 0 solved, 312 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/675 variables, 312/739 constraints. Problems are: Problem set: 0 solved, 312 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 675/676 variables, and 739 constraints, problems are : Problem set: 0 solved, 312 unsolved in 30013 ms.
Refiners :[Positive P Invariants (semi-flows): 34/34 constraints, Generalized P Invariants (flows): 25/25 constraints, State Equation: 360/361 constraints, ReadFeed: 8/8 constraints, PredecessorRefiner: 312/312 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 60146ms problems are : Problem set: 0 solved, 312 unsolved
Search for dead transitions found 0 dead transitions in 60149ms
Starting structural reductions in SI_LTL mode, iteration 1 : 361/478 places, 315/418 transitions.
Finished structural reductions in SI_LTL mode , in 1 iterations and 62124 ms. Remains : 361/478 places, 315/418 transitions.
Stuttering acceptance computed with spot in 67 ms :[(NOT p0), (NOT p0)]
Running random walk in product with property : DES-PT-60b-LTLCardinality-08
Stuttering criterion allowed to conclude after 11 steps with 0 reset in 0 ms.
FORMULA DES-PT-60b-LTLCardinality-08 FALSE TECHNIQUES STUTTER_TEST
Treatment of property DES-PT-60b-LTLCardinality-08 finished in 62206 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(X(X(F(p0)))))'
Support contains 2 out of 478 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 478/478 places, 418/418 transitions.
Discarding 4 places :
Symmetric choice reduction at 0 with 4 rule applications. Total rules 4 place count 474 transition count 414
Iterating global reduction 0 with 4 rules applied. Total rules applied 8 place count 474 transition count 414
Discarding 1 places :
Symmetric choice reduction at 0 with 1 rule applications. Total rules 9 place count 473 transition count 413
Iterating global reduction 0 with 1 rules applied. Total rules applied 10 place count 473 transition count 413
Applied a total of 10 rules in 32 ms. Remains 473 /478 variables (removed 5) and now considering 413/418 (removed 5) transitions.
// Phase 1: matrix 413 rows 473 cols
[2025-06-01 07:14:34] [INFO ] Computed 62 invariants in 8 ms
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-01 07:14:34] [INFO ] Implicit Places using invariants in 490 ms returned []
[2025-06-01 07:14:34] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-01 07:14:37] [INFO ] Implicit Places using invariants and state equation in 2186 ms returned []
Implicit Place search using SMT with State Equation took 2678 ms to find 0 implicit places.
Running 412 sub problems to find dead transitions.
[2025-06-01 07:14:37] [INFO ] Invariant cache hit.
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/472 variables, 16/16 constraints. Problems are: Problem set: 0 solved, 412 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/472 variables, 0/16 constraints. Problems are: Problem set: 0 solved, 412 unsolved
At refinement iteration 2 (OVERLAPS) 1/473 variables, 33/49 constraints. Problems are: Problem set: 0 solved, 412 unsolved
All remaining problems are real, not stopping.
At refinement iteration 3 (INCLUDED_ONLY) 0/473 variables, 13/62 constraints. Problems are: Problem set: 0 solved, 412 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/473 variables, 0/62 constraints. Problems are: Problem set: 0 solved, 412 unsolved
At refinement iteration 5 (OVERLAPS) 413/886 variables, 473/535 constraints. Problems are: Problem set: 0 solved, 412 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Real declared 886/886 variables, and 535 constraints, problems are : Problem set: 0 solved, 412 unsolved in 30021 ms.
Refiners :[Positive P Invariants (semi-flows): 33/33 constraints, Generalized P Invariants (flows): 29/29 constraints, State Equation: 473/473 constraints, PredecessorRefiner: 412/412 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 412 unsolved
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/472 variables, 16/16 constraints. Problems are: Problem set: 0 solved, 412 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/472 variables, 0/16 constraints. Problems are: Problem set: 0 solved, 412 unsolved
At refinement iteration 2 (OVERLAPS) 1/473 variables, 33/49 constraints. Problems are: Problem set: 0 solved, 412 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/473 variables, 13/62 constraints. Problems are: Problem set: 0 solved, 412 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 07:15:20] [INFO ] Deduced a trap composed of 12 places in 97 ms of which 7 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 07:15:20] [INFO ] Deduced a trap composed of 16 places in 79 ms of which 7 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 07:15:20] [INFO ] Deduced a trap composed of 22 places in 80 ms of which 9 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 07:15:21] [INFO ] Deduced a trap composed of 21 places in 143 ms of which 13 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 07:15:21] [INFO ] Deduced a trap composed of 30 places in 129 ms of which 7 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 07:15:21] [INFO ] Deduced a trap composed of 23 places in 100 ms of which 7 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 07:15:21] [INFO ] Deduced a trap composed of 14 places in 102 ms of which 7 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 07:15:21] [INFO ] Deduced a trap composed of 17 places in 95 ms of which 9 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 07:15:22] [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
[2025-06-01 07:15:22] [INFO ] Deduced a trap composed of 15 places in 64 ms of which 6 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 07:15:22] [INFO ] Deduced a trap composed of 22 places in 104 ms of which 9 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 07:15:22] [INFO ] Deduced a trap composed of 10 places in 133 ms of which 13 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 07:15:23] [INFO ] Deduced a trap composed of 11 places in 144 ms of which 10 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 07:15:23] [INFO ] Deduced a trap composed of 14 places in 82 ms of which 5 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 07:15:23] [INFO ] Deduced a trap composed of 13 places in 58 ms of which 6 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 07:15:23] [INFO ] Deduced a trap composed of 14 places in 57 ms of which 7 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 07:15:24] [INFO ] Deduced a trap composed of 10 places in 54 ms of which 7 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 07:15:24] [INFO ] Deduced a trap composed of 11 places in 55 ms of which 5 ms to minimize.
At refinement iteration 4 (INCLUDED_ONLY) 0/473 variables, 18/80 constraints. Problems are: Problem set: 0 solved, 412 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 07:15:29] [INFO ] Deduced a trap composed of 29 places in 53 ms of which 6 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 07:15:30] [INFO ] Deduced a trap composed of 14 places in 57 ms of which 4 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 07:15:35] [INFO ] Deduced a trap composed of 29 places in 66 ms of which 9 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 07:15:35] [INFO ] Deduced a trap composed of 32 places in 61 ms of which 5 ms to minimize.
At refinement iteration 5 (INCLUDED_ONLY) 0/473 variables, 4/84 constraints. Problems are: Problem set: 0 solved, 412 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 07:15:36] [INFO ] Deduced a trap composed of 17 places in 102 ms of which 10 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 07:15:37] [INFO ] Deduced a trap composed of 16 places in 87 ms of which 11 ms to minimize.
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 473/886 variables, and 86 constraints, problems are : Problem set: 0 solved, 412 unsolved in 30020 ms.
Refiners :[Positive P Invariants (semi-flows): 33/33 constraints, Generalized P Invariants (flows): 29/29 constraints, State Equation: 0/473 constraints, PredecessorRefiner: 0/412 constraints, Known Traps: 24/24 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 60209ms problems are : Problem set: 0 solved, 412 unsolved
Search for dead transitions found 0 dead transitions in 60212ms
Starting structural reductions in LTL mode, iteration 1 : 473/478 places, 413/418 transitions.
Finished structural reductions in LTL mode , in 1 iterations and 62924 ms. Remains : 473/478 places, 413/418 transitions.
Stuttering acceptance computed with spot in 207 ms :[(NOT p0), (NOT p0), (NOT p0), (NOT p0)]
Running random walk in product with property : DES-PT-60b-LTLCardinality-10
Stuttering criterion allowed to conclude after 118 steps with 0 reset in 0 ms.
FORMULA DES-PT-60b-LTLCardinality-10 FALSE TECHNIQUES STUTTER_TEST
Treatment of property DES-PT-60b-LTLCardinality-10 finished in 63149 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 (G(p2)||G(p0)||p1)))))'
Support contains 3 out of 478 places. Attempting structural reductions.
Starting structural reductions in SI_LTL mode, iteration 0 : 478/478 places, 418/418 transitions.
Graph (complete) has 1130 edges and 478 vertex of which 470 are kept as prefixes of interest. Removing 8 places using SCC suffix rule.2 ms
Discarding 8 places :
Also discarding 5 output transitions
Drop transitions (Output transitions of discarded places.) removed 5 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 469 transition count 397
Reduce places removed 15 places and 0 transitions.
Performed 1 Post agglomeration using F-continuation condition.Transition count delta: 1
Iterating post reduction 1 with 16 rules applied. Total rules applied 32 place count 454 transition count 396
Reduce places removed 1 places and 0 transitions.
Iterating post reduction 2 with 1 rules applied. Total rules applied 33 place count 453 transition count 396
Performed 11 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 3 with 11 Pre rules applied. Total rules applied 33 place count 453 transition count 385
Deduced a syphon composed of 11 places in 1 ms
Reduce places removed 11 places and 0 transitions.
Iterating global reduction 3 with 22 rules applied. Total rules applied 55 place count 442 transition count 385
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 3 with 152 rules applied. Total rules applied 207 place count 366 transition count 309
Performed 3 Post agglomeration using F-continuation condition.Transition count delta: -8
Deduced a syphon composed of 3 places in 0 ms
Reduce places removed 3 places and 0 transitions.
Iterating global reduction 3 with 6 rules applied. Total rules applied 213 place count 363 transition count 317
Reduce places removed 2 places and 2 transitions.
Iterating global reduction 3 with 2 rules applied. Total rules applied 215 place count 361 transition count 315
Applied a total of 215 rules in 90 ms. Remains 361 /478 variables (removed 117) and now considering 315/418 (removed 103) transitions.
// Phase 1: matrix 315 rows 361 cols
[2025-06-01 07:15:37] [INFO ] Computed 59 invariants in 8 ms
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-01 07:15:38] [INFO ] Implicit Places using invariants in 611 ms returned []
[2025-06-01 07:15:38] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-01 07:15:38] [INFO ] State equation strengthened by 8 read => feed constraints.
[2025-06-01 07:15:39] [INFO ] Implicit Places using invariants and state equation in 1340 ms returned []
Implicit Place search using SMT with State Equation took 1953 ms to find 0 implicit places.
Starting Z3 with timeout 200.0 s and query timeout 20000.0 ms
[2025-06-01 07:15:39] [INFO ] Redundant transitions in 13 ms returned []
Running 312 sub problems to find dead transitions.
[2025-06-01 07:15:39] [INFO ] Invariant cache hit.
[2025-06-01 07:15:39] [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) 0/358 variables, 34/34 constraints. Problems are: Problem set: 0 solved, 312 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/358 variables, 18/52 constraints. Problems are: Problem set: 0 solved, 312 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/358 variables, 0/52 constraints. Problems are: Problem set: 0 solved, 312 unsolved
At refinement iteration 3 (OVERLAPS) 2/360 variables, 7/59 constraints. Problems are: Problem set: 0 solved, 312 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/360 variables, 0/59 constraints. Problems are: Problem set: 0 solved, 312 unsolved
At refinement iteration 5 (OVERLAPS) 315/675 variables, 360/419 constraints. Problems are: Problem set: 0 solved, 312 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/675 variables, 8/427 constraints. Problems are: Problem set: 0 solved, 312 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Real declared 675/676 variables, and 427 constraints, problems are : Problem set: 0 solved, 312 unsolved in 30017 ms.
Refiners :[Positive P Invariants (semi-flows): 34/34 constraints, Generalized P Invariants (flows): 25/25 constraints, State Equation: 360/361 constraints, ReadFeed: 8/8 constraints, PredecessorRefiner: 312/312 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 312 unsolved
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/358 variables, 34/34 constraints. Problems are: Problem set: 0 solved, 312 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/358 variables, 18/52 constraints. Problems are: Problem set: 0 solved, 312 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/358 variables, 0/52 constraints. Problems are: Problem set: 0 solved, 312 unsolved
At refinement iteration 3 (OVERLAPS) 2/360 variables, 7/59 constraints. Problems are: Problem set: 0 solved, 312 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/360 variables, 0/59 constraints. Problems are: Problem set: 0 solved, 312 unsolved
At refinement iteration 5 (OVERLAPS) 315/675 variables, 360/419 constraints. Problems are: Problem set: 0 solved, 312 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/675 variables, 8/427 constraints. Problems are: Problem set: 0 solved, 312 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/675 variables, 312/739 constraints. Problems are: Problem set: 0 solved, 312 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 675/676 variables, and 739 constraints, problems are : Problem set: 0 solved, 312 unsolved in 30014 ms.
Refiners :[Positive P Invariants (semi-flows): 34/34 constraints, Generalized P Invariants (flows): 25/25 constraints, State Equation: 360/361 constraints, ReadFeed: 8/8 constraints, PredecessorRefiner: 312/312 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 60154ms problems are : Problem set: 0 solved, 312 unsolved
Search for dead transitions found 0 dead transitions in 60156ms
Starting structural reductions in SI_LTL mode, iteration 1 : 361/478 places, 315/418 transitions.
Finished structural reductions in SI_LTL mode , in 1 iterations and 62219 ms. Remains : 361/478 places, 315/418 transitions.
Stuttering acceptance computed with spot in 77 ms :[(AND (NOT p1) (NOT p2) (NOT p0)), (AND (NOT p1) (NOT p2) (NOT p0))]
Running random walk in product with property : DES-PT-60b-LTLCardinality-13
Product exploration explored 100000 steps with 5997 reset in 570 ms.
Product exploration explored 100000 steps with 5957 reset in 500 ms.
Computed a total of 256 stabilizing places and 257 stable transitions
Computed a total of 256 stabilizing places and 257 stable transitions
Detected a total of 256/361 stabilizing places and 257/315 transitions leading to convergence knowledge of the form 'F(Gp|G!p)' for 1/3 atomic propositions.
Knowledge obtained : [(AND p1 p2 (NOT p0)), (X p2), (X (NOT (AND (NOT p1) p2 p0))), (X (NOT (AND (NOT p1) (NOT p2) p0))), (X (NOT (AND (NOT p1) (NOT p2) (NOT p0)))), (X (NOT (AND (NOT p1) p2 (NOT p0)))), (X (NOT p0)), (X p1), (X (X p2)), (X (X (NOT (AND (NOT p1) p2 p0)))), (X (X (NOT (AND (NOT p1) (NOT p2) p0)))), (X (X (NOT (AND (NOT p1) (NOT p2) (NOT p0))))), (X (X (NOT (AND (NOT p1) p2 (NOT p0))))), (X (X (NOT p0))), (X (X p1)), (F (OR (G p0) (G (NOT p0))))]
False Knowledge obtained : []
Knowledge based reduction with 16 factoid took 186 ms. Reduced automaton from 2 states, 6 edges and 3 AP (stutter insensitive) to 2 states, 6 edges and 3 AP (stutter insensitive).
Stuttering acceptance computed with spot in 69 ms :[(AND (NOT p2) (NOT p1) (NOT p0)), (AND (NOT p2) (NOT p1) (NOT p0))]
Reduction of identical properties reduced properties to check from 8 to 7
RANDOM walk for 40000 steps (2085 resets) in 292 ms. (136 steps per ms) remains 4/7 properties
BEST_FIRST walk for 40004 steps (398 resets) in 162 ms. (245 steps per ms) remains 4/4 properties
BEST_FIRST walk for 40003 steps (405 resets) in 130 ms. (305 steps per ms) remains 4/4 properties
BEST_FIRST walk for 40003 steps (387 resets) in 144 ms. (275 steps per ms) remains 4/4 properties
BEST_FIRST walk for 40002 steps (408 resets) in 97 ms. (408 steps per ms) remains 4/4 properties
[2025-06-01 07:16:41] [INFO ] Invariant cache hit.
[2025-06-01 07:16:41] [INFO ] State equation strengthened by 8 read => feed constraints.
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
Problem apf1 is UNSAT
Problem apf2 is UNSAT
All remaining problems are real, not stopping.
At refinement iteration 0 (INCLUDED_ONLY) 0/3 variables, 0/0 constraints. Problems are: Problem set: 2 solved, 2 unsolved
At refinement iteration 1 (OVERLAPS) 2/5 variables, 1/1 constraints. Problems are: Problem set: 2 solved, 2 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/5 variables, 0/1 constraints. Problems are: Problem set: 2 solved, 2 unsolved
At refinement iteration 3 (OVERLAPS) 2/7 variables, 1/2 constraints. Problems are: Problem set: 2 solved, 2 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/7 variables, 0/2 constraints. Problems are: Problem set: 2 solved, 2 unsolved
At refinement iteration 5 (OVERLAPS) 196/203 variables, 1/3 constraints. Problems are: Problem set: 2 solved, 2 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/203 variables, 0/3 constraints. Problems are: Problem set: 2 solved, 2 unsolved
At refinement iteration 7 (OVERLAPS) 40/243 variables, 19/22 constraints. Problems are: Problem set: 2 solved, 2 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/243 variables, 0/22 constraints. Problems are: Problem set: 2 solved, 2 unsolved
At refinement iteration 9 (OVERLAPS) 37/280 variables, 24/46 constraints. Problems are: Problem set: 2 solved, 2 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/280 variables, 0/46 constraints. Problems are: Problem set: 2 solved, 2 unsolved
At refinement iteration 11 (OVERLAPS) 9/289 variables, 9/55 constraints. Problems are: Problem set: 2 solved, 2 unsolved
At refinement iteration 12 (INCLUDED_ONLY) 0/289 variables, 0/55 constraints. Problems are: Problem set: 2 solved, 2 unsolved
At refinement iteration 13 (OVERLAPS) 253/542 variables, 289/344 constraints. Problems are: Problem set: 2 solved, 2 unsolved
At refinement iteration 14 (INCLUDED_ONLY) 0/542 variables, 8/352 constraints. Problems are: Problem set: 2 solved, 2 unsolved
At refinement iteration 15 (INCLUDED_ONLY) 0/542 variables, 0/352 constraints. Problems are: Problem set: 2 solved, 2 unsolved
At refinement iteration 16 (OVERLAPS) 76/618 variables, 14/366 constraints. Problems are: Problem set: 2 solved, 2 unsolved
At refinement iteration 17 (INCLUDED_ONLY) 0/618 variables, 4/370 constraints. Problems are: Problem set: 2 solved, 2 unsolved
At refinement iteration 18 (INCLUDED_ONLY) 0/618 variables, 0/370 constraints. Problems are: Problem set: 2 solved, 2 unsolved
At refinement iteration 19 (OVERLAPS) 58/676 variables, 58/428 constraints. Problems are: Problem set: 2 solved, 2 unsolved
At refinement iteration 20 (INCLUDED_ONLY) 0/676 variables, 0/428 constraints. Problems are: Problem set: 2 solved, 2 unsolved
At refinement iteration 21 (OVERLAPS) 0/676 variables, 0/428 constraints. Problems are: Problem set: 2 solved, 2 unsolved
No progress, stopping.
After SMT solving in domain Real declared 676/676 variables, and 428 constraints, problems are : Problem set: 2 solved, 2 unsolved in 1026 ms.
Refiners :[Positive P Invariants (semi-flows): 34/34 constraints, Generalized P Invariants (flows): 25/25 constraints, State Equation: 361/361 constraints, ReadFeed: 8/8 constraints, PredecessorRefiner: 4/4 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 2 solved, 2 unsolved
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/3 variables, 0/0 constraints. Problems are: Problem set: 2 solved, 2 unsolved
At refinement iteration 1 (OVERLAPS) 2/5 variables, 1/1 constraints. Problems are: Problem set: 2 solved, 2 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/5 variables, 0/1 constraints. Problems are: Problem set: 2 solved, 2 unsolved
At refinement iteration 3 (OVERLAPS) 2/7 variables, 1/2 constraints. Problems are: Problem set: 2 solved, 2 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/7 variables, 0/2 constraints. Problems are: Problem set: 2 solved, 2 unsolved
At refinement iteration 5 (OVERLAPS) 196/203 variables, 1/3 constraints. Problems are: Problem set: 2 solved, 2 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/203 variables, 0/3 constraints. Problems are: Problem set: 2 solved, 2 unsolved
At refinement iteration 7 (OVERLAPS) 40/243 variables, 19/22 constraints. Problems are: Problem set: 2 solved, 2 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/243 variables, 0/22 constraints. Problems are: Problem set: 2 solved, 2 unsolved
At refinement iteration 9 (OVERLAPS) 37/280 variables, 24/46 constraints. Problems are: Problem set: 2 solved, 2 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/280 variables, 0/46 constraints. Problems are: Problem set: 2 solved, 2 unsolved
At refinement iteration 11 (OVERLAPS) 9/289 variables, 9/55 constraints. Problems are: Problem set: 2 solved, 2 unsolved
At refinement iteration 12 (INCLUDED_ONLY) 0/289 variables, 0/55 constraints. Problems are: Problem set: 2 solved, 2 unsolved
At refinement iteration 13 (OVERLAPS) 253/542 variables, 289/344 constraints. Problems are: Problem set: 2 solved, 2 unsolved
At refinement iteration 14 (INCLUDED_ONLY) 0/542 variables, 8/352 constraints. Problems are: Problem set: 2 solved, 2 unsolved
At refinement iteration 15 (INCLUDED_ONLY) 0/542 variables, 0/352 constraints. Problems are: Problem set: 2 solved, 2 unsolved
At refinement iteration 16 (OVERLAPS) 76/618 variables, 14/366 constraints. Problems are: Problem set: 2 solved, 2 unsolved
At refinement iteration 17 (INCLUDED_ONLY) 0/618 variables, 4/370 constraints. Problems are: Problem set: 2 solved, 2 unsolved
At refinement iteration 18 (INCLUDED_ONLY) 0/618 variables, 2/372 constraints. Problems are: Problem set: 2 solved, 2 unsolved
At refinement iteration 19 (INCLUDED_ONLY) 0/618 variables, 0/372 constraints. Problems are: Problem set: 2 solved, 2 unsolved
At refinement iteration 20 (OVERLAPS) 58/676 variables, 58/430 constraints. Problems are: Problem set: 2 solved, 2 unsolved
At refinement iteration 21 (INCLUDED_ONLY) 0/676 variables, 0/430 constraints. Problems are: Problem set: 2 solved, 2 unsolved
At refinement iteration 22 (OVERLAPS) 0/676 variables, 0/430 constraints. Problems are: Problem set: 2 solved, 2 unsolved
No progress, stopping.
After SMT solving in domain Int declared 676/676 variables, and 430 constraints, problems are : Problem set: 2 solved, 2 unsolved in 1301 ms.
Refiners :[Positive P Invariants (semi-flows): 34/34 constraints, Generalized P Invariants (flows): 25/25 constraints, State Equation: 361/361 constraints, ReadFeed: 8/8 constraints, PredecessorRefiner: 2/4 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 2334ms problems are : Problem set: 2 solved, 2 unsolved
Fused 2 Parikh solutions to 1 different solutions.
Parikh walk visited 0 properties in 1647 ms.
Support contains 3 out of 361 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 361/361 places, 315/315 transitions.
Drop transitions (Empty/Sink Transition effects.) removed 1 transitions
Reduce isomorphic transitions removed 1 transitions.
Iterating post reduction 0 with 1 rules applied. Total rules applied 1 place count 361 transition count 314
Free-agglomeration rule (complex) applied 1 times.
Iterating global reduction 1 with 1 rules applied. Total rules applied 2 place count 361 transition count 313
Reduce places removed 1 places and 0 transitions.
Iterating post reduction 1 with 1 rules applied. Total rules applied 3 place count 360 transition count 313
Partial Free-agglomeration rule applied 1 times.
Drop transitions (Partial Free agglomeration) removed 1 transitions
Iterating global reduction 2 with 1 rules applied. Total rules applied 4 place count 360 transition count 313
Applied a total of 4 rules in 29 ms. Remains 360 /361 variables (removed 1) and now considering 313/315 (removed 2) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 30 ms. Remains : 360/361 places, 313/315 transitions.
RANDOM walk for 40000 steps (2030 resets) in 170 ms. (233 steps per ms) remains 2/2 properties
BEST_FIRST walk for 40004 steps (383 resets) in 90 ms. (439 steps per ms) remains 2/2 properties
BEST_FIRST walk for 40003 steps (411 resets) in 75 ms. (526 steps per ms) remains 2/2 properties
Interrupted probabilistic random walk after 722809 steps, run timeout after 3001 ms. (steps per millisecond=240 ) properties seen :0 out of 2
Probabilistic random walk after 722809 steps, saw 103199 distinct states, run finished after 3001 ms. (steps per millisecond=240 ) properties seen :0
// Phase 1: matrix 313 rows 360 cols
[2025-06-01 07:16:48] [INFO ] Computed 60 invariants in 4 ms
[2025-06-01 07:16:48] [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) 0/3 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 1 (OVERLAPS) 2/5 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/5 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 3 (OVERLAPS) 2/7 variables, 1/2 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/7 variables, 0/2 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 5 (OVERLAPS) 196/203 variables, 1/3 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/203 variables, 0/3 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 7 (OVERLAPS) 44/247 variables, 21/24 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/247 variables, 0/24 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 9 (OVERLAPS) 33/280 variables, 23/47 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/280 variables, 0/47 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 11 (OVERLAPS) 9/289 variables, 9/56 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 12 (INCLUDED_ONLY) 0/289 variables, 0/56 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 13 (OVERLAPS) 251/540 variables, 289/345 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 14 (INCLUDED_ONLY) 0/540 variables, 8/353 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 15 (INCLUDED_ONLY) 0/540 variables, 0/353 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 16 (OVERLAPS) 75/615 variables, 13/366 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 17 (INCLUDED_ONLY) 0/615 variables, 4/370 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 18 (INCLUDED_ONLY) 0/615 variables, 0/370 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 19 (OVERLAPS) 58/673 variables, 58/428 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 20 (INCLUDED_ONLY) 0/673 variables, 0/428 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 21 (OVERLAPS) 0/673 variables, 0/428 constraints. Problems are: Problem set: 0 solved, 2 unsolved
No progress, stopping.
After SMT solving in domain Real declared 673/673 variables, and 428 constraints, problems are : Problem set: 0 solved, 2 unsolved in 855 ms.
Refiners :[Positive P Invariants (semi-flows): 36/36 constraints, Generalized P Invariants (flows): 24/24 constraints, State Equation: 360/360 constraints, ReadFeed: 8/8 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 45.0 s and query timeout 4500.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/3 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 1 (OVERLAPS) 2/5 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/5 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 3 (OVERLAPS) 2/7 variables, 1/2 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/7 variables, 0/2 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 5 (OVERLAPS) 196/203 variables, 1/3 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/203 variables, 0/3 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 7 (OVERLAPS) 44/247 variables, 21/24 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/247 variables, 0/24 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 9 (OVERLAPS) 33/280 variables, 23/47 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/280 variables, 0/47 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 11 (OVERLAPS) 9/289 variables, 9/56 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 12 (INCLUDED_ONLY) 0/289 variables, 0/56 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 13 (OVERLAPS) 251/540 variables, 289/345 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 14 (INCLUDED_ONLY) 0/540 variables, 8/353 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 15 (INCLUDED_ONLY) 0/540 variables, 0/353 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 16 (OVERLAPS) 75/615 variables, 13/366 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 17 (INCLUDED_ONLY) 0/615 variables, 4/370 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 18 (INCLUDED_ONLY) 0/615 variables, 2/372 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 19 (INCLUDED_ONLY) 0/615 variables, 0/372 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 20 (OVERLAPS) 58/673 variables, 58/430 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 21 (INCLUDED_ONLY) 0/673 variables, 0/430 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 22 (OVERLAPS) 0/673 variables, 0/430 constraints. Problems are: Problem set: 0 solved, 2 unsolved
No progress, stopping.
After SMT solving in domain Int declared 673/673 variables, and 430 constraints, problems are : Problem set: 0 solved, 2 unsolved in 1590 ms.
Refiners :[Positive P Invariants (semi-flows): 36/36 constraints, Generalized P Invariants (flows): 24/24 constraints, State Equation: 360/360 constraints, ReadFeed: 8/8 constraints, PredecessorRefiner: 2/2 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 2454ms problems are : Problem set: 0 solved, 2 unsolved
Fused 2 Parikh solutions to 1 different solutions.
Parikh walk visited 0 properties in 1502 ms.
Support contains 3 out of 360 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 360/360 places, 313/313 transitions.
Applied a total of 0 rules in 8 ms. Remains 360 /360 variables (removed 0) and now considering 313/313 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 9 ms. Remains : 360/360 places, 313/313 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 360/360 places, 313/313 transitions.
Applied a total of 0 rules in 7 ms. Remains 360 /360 variables (removed 0) and now considering 313/313 (removed 0) transitions.
[2025-06-01 07:16:52] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-01 07:16:52] [INFO ] Implicit Places using invariants in 369 ms returned []
[2025-06-01 07:16:52] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-01 07:16:53] [INFO ] State equation strengthened by 8 read => feed constraints.
[2025-06-01 07:16:54] [INFO ] Implicit Places using invariants and state equation in 1319 ms returned []
Implicit Place search using SMT with State Equation took 1690 ms to find 0 implicit places.
Starting Z3 with timeout 200.0 s and query timeout 20000.0 ms
[2025-06-01 07:16:54] [INFO ] Redundant transitions in 6 ms returned []
Running 310 sub problems to find dead transitions.
[2025-06-01 07:16:54] [INFO ] Invariant cache hit.
[2025-06-01 07:16:54] [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) 0/357 variables, 36/36 constraints. Problems are: Problem set: 0 solved, 310 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/357 variables, 17/53 constraints. Problems are: Problem set: 0 solved, 310 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/357 variables, 0/53 constraints. Problems are: Problem set: 0 solved, 310 unsolved
All remaining problems are real, not stopping.
At refinement iteration 3 (OVERLAPS) 2/359 variables, 7/60 constraints. Problems are: Problem set: 0 solved, 310 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/359 variables, 0/60 constraints. Problems are: Problem set: 0 solved, 310 unsolved
At refinement iteration 5 (OVERLAPS) 313/672 variables, 359/419 constraints. Problems are: Problem set: 0 solved, 310 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/672 variables, 8/427 constraints. Problems are: Problem set: 0 solved, 310 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/672 variables, 0/427 constraints. Problems are: Problem set: 0 solved, 310 unsolved
At refinement iteration 8 (OVERLAPS) 1/673 variables, 1/428 constraints. Problems are: Problem set: 0 solved, 310 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Real declared 673/673 variables, and 428 constraints, problems are : Problem set: 0 solved, 310 unsolved in 30012 ms.
Refiners :[Positive P Invariants (semi-flows): 36/36 constraints, Generalized P Invariants (flows): 24/24 constraints, State Equation: 360/360 constraints, ReadFeed: 8/8 constraints, PredecessorRefiner: 310/310 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 310 unsolved
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/357 variables, 36/36 constraints. Problems are: Problem set: 0 solved, 310 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/357 variables, 17/53 constraints. Problems are: Problem set: 0 solved, 310 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/357 variables, 0/53 constraints. Problems are: Problem set: 0 solved, 310 unsolved
At refinement iteration 3 (OVERLAPS) 2/359 variables, 7/60 constraints. Problems are: Problem set: 0 solved, 310 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/359 variables, 0/60 constraints. Problems are: Problem set: 0 solved, 310 unsolved
At refinement iteration 5 (OVERLAPS) 313/672 variables, 359/419 constraints. Problems are: Problem set: 0 solved, 310 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/672 variables, 8/427 constraints. Problems are: Problem set: 0 solved, 310 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/672 variables, 310/737 constraints. Problems are: Problem set: 0 solved, 310 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 672/673 variables, and 737 constraints, problems are : Problem set: 0 solved, 310 unsolved in 30013 ms.
Refiners :[Positive P Invariants (semi-flows): 36/36 constraints, Generalized P Invariants (flows): 24/24 constraints, State Equation: 359/360 constraints, ReadFeed: 8/8 constraints, PredecessorRefiner: 310/310 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 60219ms problems are : Problem set: 0 solved, 310 unsolved
Search for dead transitions found 0 dead transitions in 60222ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 61937 ms. Remains : 360/360 places, 313/313 transitions.
Attempting over-approximation, by ignoring read arcs.
Graph (complete) has 1256 edges and 360 vertex of which 359 are kept as prefixes of interest. Removing 1 places using SCC suffix rule.0 ms
Discarding 1 places :
Also discarding 0 output transitions
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 2 place count 359 transition count 313
Applied a total of 2 rules in 18 ms. Remains 359 /360 variables (removed 1) and now considering 313/313 (removed 0) transitions.
Running SMT prover for 2 properties.
// Phase 1: matrix 313 rows 359 cols
[2025-06-01 07:17:54] [INFO ] Computed 59 invariants in 4 ms
Starting Z3 with timeout 450.0 s and query timeout 45000.0 ms
[2025-06-01 07:17:54] [INFO ] [Real]Absence check using 35 positive place invariants in 10 ms returned sat
[2025-06-01 07:17:54] [INFO ] [Real]Absence check using 35 positive and 24 generalized place invariants in 22 ms returned sat
[2025-06-01 07:17:54] [INFO ] After 125ms 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
[2025-06-01 07:17:54] [INFO ] [Nat]Absence check using 35 positive place invariants in 10 ms returned sat
[2025-06-01 07:17:54] [INFO ] [Nat]Absence check using 35 positive and 24 generalized place invariants in 22 ms returned sat
[2025-06-01 07:17:55] [INFO ] After 368ms SMT Verify possible using state equation in natural domain returned unsat :0 sat :2
TRAPS : Iteration 0
[2025-06-01 07:17:55] [INFO ] After 458ms SMT Verify possible using trap constraints in natural domain returned unsat :0 sat :2
[2025-06-01 07:17:55] [INFO ] After 640ms SMT Verify possible using all constraints in natural domain returned unsat :0 sat :2
Over-approximation ignoring read arcs solved 0 properties in 793 ms.
Found 2 invariant AP formulas.
Knowledge obtained : [(AND p1 p2 (NOT p0)), (X p2), (X (NOT (AND (NOT p1) p2 p0))), (X (NOT (AND (NOT p1) (NOT p2) p0))), (X (NOT (AND (NOT p1) (NOT p2) (NOT p0)))), (X (NOT (AND (NOT p1) p2 (NOT p0)))), (X (NOT p0)), (X p1), (X (X p2)), (X (X (NOT (AND (NOT p1) p2 p0)))), (X (X (NOT (AND (NOT p1) (NOT p2) p0)))), (X (X (NOT (AND (NOT p1) (NOT p2) (NOT p0))))), (X (X (NOT (AND (NOT p1) p2 (NOT p0))))), (X (X (NOT p0))), (X (X p1)), (F (OR (G p0) (G (NOT p0)))), (G (OR (NOT p2) p0 p1)), (G (OR (NOT p2) (NOT p0) p1))]
False Knowledge obtained : [(F (NOT (AND (OR p2 p1) (OR p0 p1)))), (F (NOT p1)), (F (NOT p2)), (F (NOT (OR p2 p0 p1)))]
Knowledge based reduction with 18 factoid took 591 ms. Reduced automaton from 2 states, 6 edges and 3 AP (stutter insensitive) to 2 states, 4 edges and 2 AP (stutter insensitive).
Stuttering acceptance computed with spot in 99 ms :[(AND (NOT p0) (NOT p1)), (AND (NOT p0) (NOT p1))]
Stuttering acceptance computed with spot in 98 ms :[(AND (NOT p0) (NOT p1)), (AND (NOT p0) (NOT p1))]
Support contains 3 out of 361 places. Attempting structural reductions.
Starting structural reductions in SI_LTL mode, iteration 0 : 361/361 places, 315/315 transitions.
Applied a total of 0 rules in 13 ms. Remains 361 /361 variables (removed 0) and now considering 315/315 (removed 0) transitions.
// Phase 1: matrix 315 rows 361 cols
[2025-06-01 07:17:56] [INFO ] Computed 59 invariants in 7 ms
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-01 07:17:56] [INFO ] Implicit Places using invariants in 559 ms returned []
[2025-06-01 07:17:56] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-01 07:17:57] [INFO ] State equation strengthened by 8 read => feed constraints.
[2025-06-01 07:17:58] [INFO ] Implicit Places using invariants and state equation in 1503 ms returned []
Implicit Place search using SMT with State Equation took 2065 ms to find 0 implicit places.
Starting Z3 with timeout 200.0 s and query timeout 20000.0 ms
[2025-06-01 07:17:58] [INFO ] Redundant transitions in 4 ms returned []
Running 312 sub problems to find dead transitions.
[2025-06-01 07:17:58] [INFO ] Invariant cache hit.
[2025-06-01 07:17:58] [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) 0/358 variables, 34/34 constraints. Problems are: Problem set: 0 solved, 312 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/358 variables, 18/52 constraints. Problems are: Problem set: 0 solved, 312 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/358 variables, 0/52 constraints. Problems are: Problem set: 0 solved, 312 unsolved
At refinement iteration 3 (OVERLAPS) 2/360 variables, 7/59 constraints. Problems are: Problem set: 0 solved, 312 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/360 variables, 0/59 constraints. Problems are: Problem set: 0 solved, 312 unsolved
At refinement iteration 5 (OVERLAPS) 315/675 variables, 360/419 constraints. Problems are: Problem set: 0 solved, 312 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/675 variables, 8/427 constraints. Problems are: Problem set: 0 solved, 312 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/675 variables, 0/427 constraints. Problems are: Problem set: 0 solved, 312 unsolved
SMT process timed out in 30200ms, After SMT, problems are : Problem set: 0 solved, 312 unsolved
Search for dead transitions found 0 dead transitions in 30202ms
Finished structural reductions in SI_LTL mode , in 1 iterations and 32290 ms. Remains : 361/361 places, 315/315 transitions.
Computed a total of 256 stabilizing places and 257 stable transitions
Computed a total of 256 stabilizing places and 257 stable transitions
Detected a total of 256/361 stabilizing places and 257/315 transitions leading to convergence knowledge of the form 'F(Gp|G!p)' for 1/2 atomic propositions.
Knowledge obtained : [(AND (NOT p0) p1), (X (NOT (AND p0 (NOT p1)))), (X (NOT (AND (NOT p0) (NOT p1)))), (X (NOT p0)), (X p1), (X (X (NOT (AND p0 (NOT p1))))), (X (X (NOT (AND (NOT p0) (NOT p1))))), (X (X (NOT p0))), (X (X p1)), (F (OR (G p0) (G (NOT p0))))]
False Knowledge obtained : []
Knowledge based reduction with 10 factoid took 137 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 66 ms :[(AND (NOT p0) (NOT p1)), (AND (NOT p0) (NOT p1))]
RANDOM walk for 40000 steps (2169 resets) in 125 ms. (317 steps per ms) remains 2/4 properties
BEST_FIRST walk for 40003 steps (395 resets) in 72 ms. (547 steps per ms) remains 2/2 properties
BEST_FIRST walk for 40003 steps (405 resets) in 48 ms. (816 steps per ms) remains 2/2 properties
[2025-06-01 07:18:28] [INFO ] Invariant cache hit.
[2025-06-01 07:18:28] [INFO ] State equation strengthened by 8 read => feed constraints.
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) 0/3 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 1 (OVERLAPS) 2/5 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/5 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 3 (OVERLAPS) 2/7 variables, 1/2 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/7 variables, 0/2 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 5 (OVERLAPS) 196/203 variables, 1/3 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/203 variables, 0/3 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 7 (OVERLAPS) 40/243 variables, 19/22 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/243 variables, 0/22 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 9 (OVERLAPS) 37/280 variables, 24/46 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/280 variables, 0/46 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 11 (OVERLAPS) 9/289 variables, 9/55 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 12 (INCLUDED_ONLY) 0/289 variables, 0/55 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 13 (OVERLAPS) 253/542 variables, 289/344 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 14 (INCLUDED_ONLY) 0/542 variables, 8/352 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 15 (INCLUDED_ONLY) 0/542 variables, 0/352 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 16 (OVERLAPS) 76/618 variables, 14/366 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 17 (INCLUDED_ONLY) 0/618 variables, 4/370 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 18 (INCLUDED_ONLY) 0/618 variables, 0/370 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 19 (OVERLAPS) 58/676 variables, 58/428 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 20 (INCLUDED_ONLY) 0/676 variables, 0/428 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 21 (OVERLAPS) 0/676 variables, 0/428 constraints. Problems are: Problem set: 0 solved, 2 unsolved
No progress, stopping.
After SMT solving in domain Real declared 676/676 variables, and 428 constraints, problems are : Problem set: 0 solved, 2 unsolved in 1120 ms.
Refiners :[Positive P Invariants (semi-flows): 34/34 constraints, Generalized P Invariants (flows): 25/25 constraints, State Equation: 361/361 constraints, ReadFeed: 8/8 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) 0/3 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 1 (OVERLAPS) 2/5 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/5 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 3 (OVERLAPS) 2/7 variables, 1/2 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/7 variables, 0/2 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 5 (OVERLAPS) 196/203 variables, 1/3 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/203 variables, 0/3 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 7 (OVERLAPS) 40/243 variables, 19/22 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/243 variables, 0/22 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 9 (OVERLAPS) 37/280 variables, 24/46 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/280 variables, 0/46 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 11 (OVERLAPS) 9/289 variables, 9/55 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 12 (INCLUDED_ONLY) 0/289 variables, 0/55 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 13 (OVERLAPS) 253/542 variables, 289/344 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 14 (INCLUDED_ONLY) 0/542 variables, 8/352 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 15 (INCLUDED_ONLY) 0/542 variables, 0/352 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 16 (OVERLAPS) 76/618 variables, 14/366 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 17 (INCLUDED_ONLY) 0/618 variables, 4/370 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 18 (INCLUDED_ONLY) 0/618 variables, 2/372 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 19 (INCLUDED_ONLY) 0/618 variables, 0/372 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 20 (OVERLAPS) 58/676 variables, 58/430 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 21 (INCLUDED_ONLY) 0/676 variables, 0/430 constraints. Problems are: Problem set: 0 solved, 2 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 07:18:30] [INFO ] Deduced a trap composed of 13 places in 120 ms of which 12 ms to minimize.
At refinement iteration 22 (OVERLAPS) 0/676 variables, 1/431 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 23 (INCLUDED_ONLY) 0/676 variables, 0/431 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 24 (OVERLAPS) 0/676 variables, 0/431 constraints. Problems are: Problem set: 0 solved, 2 unsolved
No progress, stopping.
After SMT solving in domain Int declared 676/676 variables, and 431 constraints, problems are : Problem set: 0 solved, 2 unsolved in 1352 ms.
Refiners :[Positive P Invariants (semi-flows): 34/34 constraints, Generalized P Invariants (flows): 25/25 constraints, State Equation: 361/361 constraints, ReadFeed: 8/8 constraints, PredecessorRefiner: 2/2 constraints, Known Traps: 1/1 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 2478ms problems are : Problem set: 0 solved, 2 unsolved
Fused 2 Parikh solutions to 1 different solutions.
Parikh walk visited 0 properties in 1415 ms.
Support contains 3 out of 361 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 361/361 places, 315/315 transitions.
Drop transitions (Empty/Sink Transition effects.) removed 1 transitions
Reduce isomorphic transitions removed 1 transitions.
Iterating post reduction 0 with 1 rules applied. Total rules applied 1 place count 361 transition count 314
Free-agglomeration rule (complex) applied 1 times.
Iterating global reduction 1 with 1 rules applied. Total rules applied 2 place count 361 transition count 313
Reduce places removed 1 places and 0 transitions.
Iterating post reduction 1 with 1 rules applied. Total rules applied 3 place count 360 transition count 313
Partial Free-agglomeration rule applied 1 times.
Drop transitions (Partial Free agglomeration) removed 1 transitions
Iterating global reduction 2 with 1 rules applied. Total rules applied 4 place count 360 transition count 313
Applied a total of 4 rules in 27 ms. Remains 360 /361 variables (removed 1) and now considering 313/315 (removed 2) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 28 ms. Remains : 360/361 places, 313/315 transitions.
RANDOM walk for 40000 steps (2009 resets) in 163 ms. (243 steps per ms) remains 2/2 properties
BEST_FIRST walk for 40003 steps (396 resets) in 82 ms. (481 steps per ms) remains 2/2 properties
BEST_FIRST walk for 40004 steps (382 resets) in 70 ms. (563 steps per ms) remains 2/2 properties
Interrupted probabilistic random walk after 730266 steps, run timeout after 3001 ms. (steps per millisecond=243 ) properties seen :0 out of 2
Probabilistic random walk after 730266 steps, saw 104348 distinct states, run finished after 3001 ms. (steps per millisecond=243 ) properties seen :0
// Phase 1: matrix 313 rows 360 cols
[2025-06-01 07:18:35] [INFO ] Computed 60 invariants in 4 ms
[2025-06-01 07:18:35] [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) 0/3 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 1 (OVERLAPS) 2/5 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/5 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 3 (OVERLAPS) 2/7 variables, 1/2 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/7 variables, 0/2 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 5 (OVERLAPS) 196/203 variables, 1/3 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/203 variables, 0/3 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 7 (OVERLAPS) 44/247 variables, 21/24 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/247 variables, 0/24 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 9 (OVERLAPS) 33/280 variables, 23/47 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/280 variables, 0/47 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 11 (OVERLAPS) 9/289 variables, 9/56 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 12 (INCLUDED_ONLY) 0/289 variables, 0/56 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 13 (OVERLAPS) 251/540 variables, 289/345 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 14 (INCLUDED_ONLY) 0/540 variables, 8/353 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 15 (INCLUDED_ONLY) 0/540 variables, 0/353 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 16 (OVERLAPS) 75/615 variables, 13/366 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 17 (INCLUDED_ONLY) 0/615 variables, 4/370 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 18 (INCLUDED_ONLY) 0/615 variables, 0/370 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 19 (OVERLAPS) 58/673 variables, 58/428 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 20 (INCLUDED_ONLY) 0/673 variables, 0/428 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 21 (OVERLAPS) 0/673 variables, 0/428 constraints. Problems are: Problem set: 0 solved, 2 unsolved
No progress, stopping.
After SMT solving in domain Real declared 673/673 variables, and 428 constraints, problems are : Problem set: 0 solved, 2 unsolved in 995 ms.
Refiners :[Positive P Invariants (semi-flows): 36/36 constraints, Generalized P Invariants (flows): 24/24 constraints, State Equation: 360/360 constraints, ReadFeed: 8/8 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 45.0 s and query timeout 4500.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/3 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 1 (OVERLAPS) 2/5 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/5 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 3 (OVERLAPS) 2/7 variables, 1/2 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/7 variables, 0/2 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 5 (OVERLAPS) 196/203 variables, 1/3 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/203 variables, 0/3 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 7 (OVERLAPS) 44/247 variables, 21/24 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/247 variables, 0/24 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 9 (OVERLAPS) 33/280 variables, 23/47 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/280 variables, 0/47 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 11 (OVERLAPS) 9/289 variables, 9/56 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 12 (INCLUDED_ONLY) 0/289 variables, 0/56 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 13 (OVERLAPS) 251/540 variables, 289/345 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 14 (INCLUDED_ONLY) 0/540 variables, 8/353 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 15 (INCLUDED_ONLY) 0/540 variables, 0/353 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 16 (OVERLAPS) 75/615 variables, 13/366 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 17 (INCLUDED_ONLY) 0/615 variables, 4/370 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 18 (INCLUDED_ONLY) 0/615 variables, 2/372 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 19 (INCLUDED_ONLY) 0/615 variables, 0/372 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 20 (OVERLAPS) 58/673 variables, 58/430 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 21 (INCLUDED_ONLY) 0/673 variables, 0/430 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 22 (OVERLAPS) 0/673 variables, 0/430 constraints. Problems are: Problem set: 0 solved, 2 unsolved
No progress, stopping.
After SMT solving in domain Int declared 673/673 variables, and 430 constraints, problems are : Problem set: 0 solved, 2 unsolved in 1561 ms.
Refiners :[Positive P Invariants (semi-flows): 36/36 constraints, Generalized P Invariants (flows): 24/24 constraints, State Equation: 360/360 constraints, ReadFeed: 8/8 constraints, PredecessorRefiner: 2/2 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 2568ms problems are : Problem set: 0 solved, 2 unsolved
Fused 2 Parikh solutions to 1 different solutions.
Parikh walk visited 0 properties in 1525 ms.
Support contains 3 out of 360 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 360/360 places, 313/313 transitions.
Applied a total of 0 rules in 8 ms. Remains 360 /360 variables (removed 0) and now considering 313/313 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 8 ms. Remains : 360/360 places, 313/313 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 360/360 places, 313/313 transitions.
Applied a total of 0 rules in 7 ms. Remains 360 /360 variables (removed 0) and now considering 313/313 (removed 0) transitions.
[2025-06-01 07:18:39] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-01 07:18:40] [INFO ] Implicit Places using invariants in 406 ms returned []
[2025-06-01 07:18:40] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-01 07:18:40] [INFO ] State equation strengthened by 8 read => feed constraints.
[2025-06-01 07:18:41] [INFO ] Implicit Places using invariants and state equation in 1511 ms returned []
Implicit Place search using SMT with State Equation took 1918 ms to find 0 implicit places.
Starting Z3 with timeout 200.0 s and query timeout 20000.0 ms
[2025-06-01 07:18:41] [INFO ] Redundant transitions in 2 ms returned []
Running 310 sub problems to find dead transitions.
[2025-06-01 07:18:41] [INFO ] Invariant cache hit.
[2025-06-01 07:18:41] [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) 0/357 variables, 36/36 constraints. Problems are: Problem set: 0 solved, 310 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/357 variables, 17/53 constraints. Problems are: Problem set: 0 solved, 310 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/357 variables, 0/53 constraints. Problems are: Problem set: 0 solved, 310 unsolved
All remaining problems are real, not stopping.
At refinement iteration 3 (OVERLAPS) 2/359 variables, 7/60 constraints. Problems are: Problem set: 0 solved, 310 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/359 variables, 0/60 constraints. Problems are: Problem set: 0 solved, 310 unsolved
At refinement iteration 5 (OVERLAPS) 313/672 variables, 359/419 constraints. Problems are: Problem set: 0 solved, 310 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/672 variables, 8/427 constraints. Problems are: Problem set: 0 solved, 310 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/672 variables, 0/427 constraints. Problems are: Problem set: 0 solved, 310 unsolved
At refinement iteration 8 (OVERLAPS) 1/673 variables, 1/428 constraints. Problems are: Problem set: 0 solved, 310 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Real declared 673/673 variables, and 428 constraints, problems are : Problem set: 0 solved, 310 unsolved in 30012 ms.
Refiners :[Positive P Invariants (semi-flows): 36/36 constraints, Generalized P Invariants (flows): 24/24 constraints, State Equation: 360/360 constraints, ReadFeed: 8/8 constraints, PredecessorRefiner: 310/310 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 310 unsolved
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/357 variables, 36/36 constraints. Problems are: Problem set: 0 solved, 310 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/357 variables, 17/53 constraints. Problems are: Problem set: 0 solved, 310 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/357 variables, 0/53 constraints. Problems are: Problem set: 0 solved, 310 unsolved
At refinement iteration 3 (OVERLAPS) 2/359 variables, 7/60 constraints. Problems are: Problem set: 0 solved, 310 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/359 variables, 0/60 constraints. Problems are: Problem set: 0 solved, 310 unsolved
At refinement iteration 5 (OVERLAPS) 313/672 variables, 359/419 constraints. Problems are: Problem set: 0 solved, 310 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/672 variables, 8/427 constraints. Problems are: Problem set: 0 solved, 310 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/672 variables, 310/737 constraints. Problems are: Problem set: 0 solved, 310 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 672/673 variables, and 737 constraints, problems are : Problem set: 0 solved, 310 unsolved in 30016 ms.
Refiners :[Positive P Invariants (semi-flows): 36/36 constraints, Generalized P Invariants (flows): 24/24 constraints, State Equation: 359/360 constraints, ReadFeed: 8/8 constraints, PredecessorRefiner: 310/310 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 60210ms problems are : Problem set: 0 solved, 310 unsolved
Search for dead transitions found 0 dead transitions in 60212ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 62147 ms. Remains : 360/360 places, 313/313 transitions.
Attempting over-approximation, by ignoring read arcs.
Graph (complete) has 1256 edges and 360 vertex of which 359 are kept as prefixes of interest. Removing 1 places using SCC suffix rule.1 ms
Discarding 1 places :
Also discarding 0 output transitions
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 2 place count 359 transition count 313
Applied a total of 2 rules in 17 ms. Remains 359 /360 variables (removed 1) and now considering 313/313 (removed 0) transitions.
Running SMT prover for 2 properties.
// Phase 1: matrix 313 rows 359 cols
[2025-06-01 07:19:42] [INFO ] Computed 59 invariants in 4 ms
Starting Z3 with timeout 450.0 s and query timeout 45000.0 ms
[2025-06-01 07:19:42] [INFO ] After 79ms 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
[2025-06-01 07:19:42] [INFO ] [Nat]Absence check using 35 positive place invariants in 10 ms returned sat
[2025-06-01 07:19:42] [INFO ] [Nat]Absence check using 35 positive and 24 generalized place invariants in 20 ms returned sat
[2025-06-01 07:19:42] [INFO ] After 326ms SMT Verify possible using state equation in natural domain returned unsat :0 sat :2
TRAPS : Iteration 0
[2025-06-01 07:19:42] [INFO ] After 417ms SMT Verify possible using trap constraints in natural domain returned unsat :0 sat :2
[2025-06-01 07:19:42] [INFO ] After 596ms SMT Verify possible using all constraints in natural domain returned unsat :0 sat :2
Over-approximation ignoring read arcs solved 0 properties in 703 ms.
Knowledge obtained : [(AND (NOT p0) p1), (X (NOT (AND p0 (NOT p1)))), (X (NOT (AND (NOT p0) (NOT p1)))), (X (NOT p0)), (X p1), (X (X (NOT (AND p0 (NOT p1))))), (X (X (NOT (AND (NOT p0) (NOT p1))))), (X (X (NOT p0))), (X (X p1)), (F (OR (G p0) (G (NOT p0))))]
False Knowledge obtained : [(F (NOT p1)), (F (NOT (OR p0 p1)))]
Knowledge based reduction with 10 factoid took 355 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 101 ms :[(AND (NOT p0) (NOT p1)), (AND (NOT p0) (NOT p1))]
Stuttering acceptance computed with spot in 100 ms :[(AND (NOT p0) (NOT p1)), (AND (NOT p0) (NOT p1))]
Stuttering acceptance computed with spot in 101 ms :[(AND (NOT p0) (NOT p1)), (AND (NOT p0) (NOT p1))]
Product exploration explored 100000 steps with 5994 reset in 449 ms.
Stuttering criterion allowed to conclude after 28237 steps with 1682 reset in 147 ms.
FORMULA DES-PT-60b-LTLCardinality-13 FALSE TECHNIQUES STUTTER_TEST
Treatment of property DES-PT-60b-LTLCardinality-13 finished in 246454 ms.
All properties solved by simple procedures.
Total runtime 880600 ms.
BK_STOP 1748762384033
--------------------
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
+ [[ LTLCardinality = StateSpace ]]
+ /home/mcc/BenchKit/bin//../itstools/bin//..//runeclipse.sh /home/mcc/execution LTLCardinality -its -ltsmin -greatspnpath /home/mcc/BenchKit/bin//../itstools/bin//..//greatspn/ -order META -manyOrder -smt -timeout 3600
+ ulimit -s 65536
+ [[ -z '' ]]
+ export LTSMIN_MEM_SIZE=8589934592
+ LTSMIN_MEM_SIZE=8589934592
++ sed s/.jar//
++ perl -pe 's/.*\.//g'
++ ls /home/mcc/BenchKit/bin//../itstools/bin//..//itstools/plugins/fr.lip6.move.gal.application.pnmcc_1.0.0.202505121319.jar
+ VERSION=202505121319
+ echo 'Running Version 202505121319'
+ /home/mcc/BenchKit/bin//../itstools/bin//..//itstools/its-tools -pnfolder /home/mcc/execution -examination LTLCardinality -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-60b"
export BK_EXAMINATION="LTLCardinality"
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-60b, examination is LTLCardinality"
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-174854064000371"
echo "====================================================================="
echo
echo "--------------------"
echo "preparation of the directory to be used:"
tar xzf /home/mcc/BenchKit/INPUTS/DES-PT-60b.tgz
mv DES-PT-60b execution
cd execution
if [ "LTLCardinality" = "ReachabilityDeadlock" ] || [ "LTLCardinality" = "UpperBounds" ] || [ "LTLCardinality" = "QuasiLiveness" ] || [ "LTLCardinality" = "StableMarking" ] || [ "LTLCardinality" = "Liveness" ] || [ "LTLCardinality" = "OneSafe" ] || [ "LTLCardinality" = "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 [ "LTLCardinality" = "UpperBounds" ] ; then
echo "The expected result is a vector of positive values"
echo NUM_VECTOR
elif [ "LTLCardinality" != "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 "LTLCardinality.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 [ "LTLCardinality" = "ReachabilityDeadlock" ] || [ "LTLCardinality" = "QuasiLiveness" ] || [ "LTLCardinality" = "StableMarking" ] || [ "LTLCardinality" = "Liveness" ] || [ "LTLCardinality" = "OneSafe" ] ; then
echo "FORMULA_NAME LTLCardinality"
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 ;