Execution Chart

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

Trace from the execution

Formatting '/data/fkordon/mcc2025-input.r072-tall-174860067600492.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 DoubleExponent-PT-010, examination is LTLFireability
Time confinement is 3600 seconds
Memory confinement is 16384 MBytes
Number of cores is 4
Run identifier is r072-tall-174860067600492
=====================================================================

--------------------
preparation of the directory to be used:
/home/mcc/execution
total 600K
-rw-r--r-- 1 mcc users 6.6K May 29 14:47 CTLCardinality.txt
-rw-r--r-- 1 mcc users 69K May 29 14:47 CTLCardinality.xml
-rw-r--r-- 1 mcc users 4.9K May 29 14:47 CTLFireability.txt
-rw-r--r-- 1 mcc users 41K 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 6.2K May 29 14:32 GenericPropertiesVerdict.xml
-rw-r--r-- 1 mcc users 3.7K May 29 14:47 LTLCardinality.txt
-rw-r--r-- 1 mcc users 28K May 29 14:47 LTLCardinality.xml
-rw-r--r-- 1 mcc users 2.3K May 29 14:47 LTLFireability.txt
-rw-r--r-- 1 mcc users 19K May 29 14:47 LTLFireability.xml
-rw-r--r-- 1 mcc users 12K May 29 14:47 ReachabilityCardinality.txt
-rw-r--r-- 1 mcc users 124K May 29 14:47 ReachabilityCardinality.xml
-rw-r--r-- 1 mcc users 6.9K May 29 14:47 ReachabilityFireability.txt
-rw-r--r-- 1 mcc users 56K May 29 14:47 ReachabilityFireability.xml
-rw-r--r-- 1 mcc users 1.6K May 29 14:47 UpperBounds.txt
-rw-r--r-- 1 mcc users 4.1K 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 169K 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 DoubleExponent-PT-010-LTLFireability-00
FORMULA_NAME DoubleExponent-PT-010-LTLFireability-01
FORMULA_NAME DoubleExponent-PT-010-LTLFireability-02
FORMULA_NAME DoubleExponent-PT-010-LTLFireability-03
FORMULA_NAME DoubleExponent-PT-010-LTLFireability-04
FORMULA_NAME DoubleExponent-PT-010-LTLFireability-05
FORMULA_NAME DoubleExponent-PT-010-LTLFireability-06
FORMULA_NAME DoubleExponent-PT-010-LTLFireability-07
FORMULA_NAME DoubleExponent-PT-010-LTLFireability-08
FORMULA_NAME DoubleExponent-PT-010-LTLFireability-09
FORMULA_NAME DoubleExponent-PT-010-LTLFireability-10
FORMULA_NAME DoubleExponent-PT-010-LTLFireability-11
FORMULA_NAME DoubleExponent-PT-010-LTLFireability-12
FORMULA_NAME DoubleExponent-PT-010-LTLFireability-13
FORMULA_NAME DoubleExponent-PT-010-LTLFireability-14
FORMULA_NAME DoubleExponent-PT-010-LTLFireability-15

=== Now, execution of the tool begins

BK_START 1748737361884

Invoking MCC driver with
BK_TOOL=itstools
BK_EXAMINATION=LTLFireability
BK_BIN_PATH=/home/mcc/BenchKit/bin/
BK_TIME_CONFINEMENT=3600
BK_INPUT=DoubleExponent-PT-010
BK_MEMORY_CONFINEMENT=16384
Not applying reductions.
Model is PT
LTLFireability PT
Running Version 202505121319
[2025-06-01 00:22:43] [INFO ] Running its-tools with arguments : [-pnfolder, /home/mcc/execution, -examination, LTLFireability, -its, -ltsmin, -greatspnpath, /home/mcc/BenchKit/bin//../itstools/bin//..//greatspn/, -order, META, -manyOrder, -smt, -timeout, 3600]
[2025-06-01 00:22:43] [INFO ] Parsing pnml file : /home/mcc/execution/model.pnml
[2025-06-01 00:22:43] [INFO ] Load time of PNML (sax parser for PT used): 85 ms
[2025-06-01 00:22:43] [INFO ] Transformed 534 places.
[2025-06-01 00:22:43] [INFO ] Transformed 498 transitions.
[2025-06-01 00:22:43] [INFO ] Parsed PT model containing 534 places and 498 transitions and 1404 arcs in 175 ms.
Parsed 16 properties from file /home/mcc/execution/LTLFireability.xml in 9 ms.
Working with output stream class java.io.PrintStream
Initial state reduction rules removed 3 formulas.
FORMULA DoubleExponent-PT-010-LTLFireability-01 FALSE TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA DoubleExponent-PT-010-LTLFireability-09 TRUE TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA DoubleExponent-PT-010-LTLFireability-15 TRUE TECHNIQUES TOPOLOGICAL INITIAL_STATE
Support contains 44 out of 534 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 534/534 places, 498/498 transitions.
Reduce places removed 4 places and 0 transitions.
Iterating post reduction 0 with 4 rules applied. Total rules applied 4 place count 530 transition count 498
Applied a total of 4 rules in 58 ms. Remains 530 /534 variables (removed 4) and now considering 498/498 (removed 0) transitions.
// Phase 1: matrix 498 rows 530 cols
[2025-06-01 00:22:43] [INFO ] Computed 51 invariants in 74 ms
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-01 00:22:44] [INFO ] Implicit Places using invariants in 434 ms returned [437, 439]
Discarding 2 places :
Implicit Place search using SMT only with invariants took 464 ms to find 2 implicit places.
Starting structural reductions in LTL mode, iteration 1 : 528/534 places, 498/498 transitions.
Discarding 1 places :
Symmetric choice reduction at 0 with 1 rule applications. Total rules 1 place count 527 transition count 497
Iterating global reduction 0 with 1 rules applied. Total rules applied 2 place count 527 transition count 497
Applied a total of 2 rules in 57 ms. Remains 527 /528 variables (removed 1) and now considering 497/498 (removed 1) transitions.
// Phase 1: matrix 497 rows 527 cols
[2025-06-01 00:22:44] [INFO ] Computed 49 invariants in 36 ms
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-01 00:22:44] [INFO ] Implicit Places using invariants in 214 ms returned []
[2025-06-01 00:22:44] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-01 00:22:46] [INFO ] Implicit Places using invariants and state equation in 1789 ms returned []
Implicit Place search using SMT with State Equation took 2006 ms to find 0 implicit places.
Starting structural reductions in LTL mode, iteration 2 : 527/534 places, 497/498 transitions.
Finished structural reductions in LTL mode , in 2 iterations and 2599 ms. Remains : 527/534 places, 497/498 transitions.
Support contains 44 out of 527 places after structural reductions.
[2025-06-01 00:22:46] [INFO ] Flatten gal took : 61 ms
[2025-06-01 00:22:46] [INFO ] Flatten gal took : 38 ms
[2025-06-01 00:22:46] [INFO ] Input system was already deterministic with 497 transitions.
Support contains 42 out of 527 places (down from 44) after GAL structural reductions.
RANDOM walk for 40000 steps (1322 resets) in 1658 ms. (24 steps per ms) remains 26/30 properties
BEST_FIRST walk for 4001 steps (114 resets) in 153 ms. (25 steps per ms) remains 26/26 properties
BEST_FIRST walk for 4000 steps (108 resets) in 123 ms. (32 steps per ms) remains 26/26 properties
BEST_FIRST walk for 4001 steps (112 resets) in 54 ms. (72 steps per ms) remains 26/26 properties
BEST_FIRST walk for 4000 steps (115 resets) in 61 ms. (64 steps per ms) remains 26/26 properties
BEST_FIRST walk for 4001 steps (116 resets) in 30 ms. (129 steps per ms) remains 26/26 properties
BEST_FIRST walk for 4001 steps (113 resets) in 22 ms. (173 steps per ms) remains 26/26 properties
BEST_FIRST walk for 4000 steps (106 resets) in 54 ms. (72 steps per ms) remains 26/26 properties
BEST_FIRST walk for 4000 steps (110 resets) in 32 ms. (121 steps per ms) remains 26/26 properties
BEST_FIRST walk for 4000 steps (105 resets) in 30 ms. (129 steps per ms) remains 26/26 properties
BEST_FIRST walk for 4001 steps (114 resets) in 36 ms. (108 steps per ms) remains 26/26 properties
BEST_FIRST walk for 4001 steps (114 resets) in 31 ms. (125 steps per ms) remains 26/26 properties
BEST_FIRST walk for 4000 steps (115 resets) in 23 ms. (166 steps per ms) remains 26/26 properties
BEST_FIRST walk for 4001 steps (114 resets) in 23 ms. (166 steps per ms) remains 26/26 properties
BEST_FIRST walk for 4000 steps (113 resets) in 25 ms. (153 steps per ms) remains 26/26 properties
BEST_FIRST walk for 4000 steps (112 resets) in 21 ms. (181 steps per ms) remains 26/26 properties
BEST_FIRST walk for 4000 steps (108 resets) in 47 ms. (83 steps per ms) remains 24/26 properties
BEST_FIRST walk for 4000 steps (112 resets) in 25 ms. (153 steps per ms) remains 24/24 properties
BEST_FIRST walk for 4000 steps (120 resets) in 26 ms. (148 steps per ms) remains 24/24 properties
BEST_FIRST walk for 4000 steps (111 resets) in 30 ms. (129 steps per ms) remains 24/24 properties
BEST_FIRST walk for 4000 steps (109 resets) in 23 ms. (166 steps per ms) remains 24/24 properties
BEST_FIRST walk for 4000 steps (110 resets) in 24 ms. (160 steps per ms) remains 24/24 properties
BEST_FIRST walk for 4001 steps (116 resets) in 35 ms. (111 steps per ms) remains 24/24 properties
BEST_FIRST walk for 4000 steps (109 resets) in 20 ms. (190 steps per ms) remains 24/24 properties
BEST_FIRST walk for 4000 steps (111 resets) in 47 ms. (83 steps per ms) remains 24/24 properties
BEST_FIRST walk for 4000 steps (114 resets) in 26 ms. (148 steps per ms) remains 24/24 properties
[2025-06-01 00:22:47] [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) 0/36 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 24 unsolved
At refinement iteration 1 (OVERLAPS) 280/316 variables, 30/30 constraints. Problems are: Problem set: 0 solved, 24 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/316 variables, 0/30 constraints. Problems are: Problem set: 0 solved, 24 unsolved
At refinement iteration 3 (OVERLAPS) 128/444 variables, 15/45 constraints. Problems are: Problem set: 0 solved, 24 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/444 variables, 0/45 constraints. Problems are: Problem set: 0 solved, 24 unsolved
At refinement iteration 5 (OVERLAPS) 6/450 variables, 2/47 constraints. Problems are: Problem set: 0 solved, 24 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/450 variables, 0/47 constraints. Problems are: Problem set: 0 solved, 24 unsolved
At refinement iteration 7 (OVERLAPS) 2/452 variables, 2/49 constraints. Problems are: Problem set: 0 solved, 24 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/452 variables, 0/49 constraints. Problems are: Problem set: 0 solved, 24 unsolved
At refinement iteration 9 (OVERLAPS) 471/923 variables, 452/501 constraints. Problems are: Problem set: 0 solved, 24 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/923 variables, 0/501 constraints. Problems are: Problem set: 0 solved, 24 unsolved
At refinement iteration 11 (OVERLAPS) 87/1010 variables, 67/568 constraints. Problems are: Problem set: 0 solved, 24 unsolved
At refinement iteration 12 (INCLUDED_ONLY) 0/1010 variables, 0/568 constraints. Problems are: Problem set: 0 solved, 24 unsolved
At refinement iteration 13 (OVERLAPS) 8/1018 variables, 4/572 constraints. Problems are: Problem set: 0 solved, 24 unsolved
At refinement iteration 14 (INCLUDED_ONLY) 0/1018 variables, 0/572 constraints. Problems are: Problem set: 0 solved, 24 unsolved
At refinement iteration 15 (OVERLAPS) 5/1023 variables, 3/575 constraints. Problems are: Problem set: 0 solved, 24 unsolved
At refinement iteration 16 (INCLUDED_ONLY) 0/1023 variables, 0/575 constraints. Problems are: Problem set: 0 solved, 24 unsolved
Problem AtomicPropp5 is UNSAT
Problem AtomicPropp28 is UNSAT
At refinement iteration 17 (OVERLAPS) 1/1024 variables, 1/576 constraints. Problems are: Problem set: 2 solved, 22 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 00:22:51] [INFO ] Deduced a trap composed of 65 places in 150 ms of which 20 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 00:22:51] [INFO ] Deduced a trap composed of 53 places in 132 ms of which 11 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 00:22:51] [INFO ] Deduced a trap composed of 55 places in 185 ms of which 14 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 00:22:51] [INFO ] Deduced a trap composed of 67 places in 131 ms of which 18 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 00:22:52] [INFO ] Deduced a trap composed of 85 places in 99 ms of which 15 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 00:22:52] [INFO ] Deduced a trap composed of 97 places in 124 ms of which 17 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 00:22:52] [INFO ] Deduced a trap composed of 72 places in 112 ms of which 16 ms to minimize.
At refinement iteration 18 (INCLUDED_ONLY) 0/1024 variables, 7/583 constraints. Problems are: Problem set: 2 solved, 22 unsolved
Error getting values : (error "ParserException while parsing response: ((s0 0.0)
(s1 2.0)
(s2 0.0)
(s3 0.0)
(s4 0.0)
(s5 0.0)
(s6 0.0)
(s7 0.0)
(s8 0.0)
(s9 0.0)
(s10 0.0)
(s11 (/ 1.0 2.0))
(s12 0.0)
(s13 1.0)
(s14 0.0)
(s15 (/ 1.0 2.0))
(s16 0.0)
(s17 0.0)
(s18 0.0)
(s19 0.0)
(s20 0.0)
(s21 0.0)
(s22 0.0)
(s23 0.0)
(s24 0.0)
(s25 0.0)
(s26 0.0)
(s27 0.0)
(s28 0.0)
(s29 0.0)
(s30 0.0)
(s31 0.0)
(s32 0.0)
(s33 0.0)
(s34 2.0)
(s35 0.0)
(s36 0.0)
(s37 0.0)
(s38 0.0)
(s39 0.0)
(s40 0.0)
(s41 0.0)
(s42 0.0)
(s43 0.0)
(s44 0.0)
(s45 0.0)
(s46 0.0)
(s47 0.0)
(s48 0.0)
(s49 0.0)
(s50 1.0)
(s51 0.0)
(s52 0.0)
(s53 0.0)
(s54 0.0)
(s55 0.0)
(s56 0.0)
(s57 0.0)
(s58 0.0)
(s59 0.0)
(s60 0.0)
(s61 0.0)
(s62 0.0)
(s63 0.0)
(s64 0.0)
(s65 0.0)
(s66 0.0)
(s67 0.0)
(s68 0.0)
(s69 (/ 3.0 2.0))
(s70 1.0)
(s71 1.0)
(s72 0.0)
(s73 (/ 1.0 2.0))
(s74 (/ 1.0 2.0))
(s75 0.0)
(s76 0.0)
(s77 0.0)
(s78 0.0)
(s79 0.0)
(s80 0.0)
(s81 0.0)
(s82 0.0)
(s83 0.0)
(s84 0.0)
(s85 0.0)
(s86 0.0)
(s87 0.0)
(s88 0.0)
(s89 0.0)
(s90 0.0)
(s91 0.0)
(s92 0.0)
(s93 0.0)
(s94 0.0)
(s95 0.0)
(s96 0.0)timeout
org.smtlib.IParser$ParserException: Unbalanced parentheses at end of input")
Solver is answering 'unknown', stopping.
After SMT solving in domain Real declared 1024/1024 variables, and 583 constraints, problems are : Problem set: 2 solved, 22 unsolved in 5027 ms.
Refiners :[Positive P Invariants (semi-flows): 2/2 constraints, Generalized P Invariants (flows): 47/47 constraints, State Equation: 527/527 constraints, PredecessorRefiner: 24/24 constraints, Known Traps: 7/7 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 2 solved, 22 unsolved
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/30 variables, 0/0 constraints. Problems are: Problem set: 2 solved, 22 unsolved
At refinement iteration 1 (OVERLAPS) 267/297 variables, 26/26 constraints. Problems are: Problem set: 2 solved, 22 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/297 variables, 0/26 constraints. Problems are: Problem set: 2 solved, 22 unsolved
At refinement iteration 3 (OVERLAPS) 147/444 variables, 19/45 constraints. Problems are: Problem set: 2 solved, 22 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/444 variables, 0/45 constraints. Problems are: Problem set: 2 solved, 22 unsolved
At refinement iteration 5 (OVERLAPS) 6/450 variables, 2/47 constraints. Problems are: Problem set: 2 solved, 22 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/450 variables, 0/47 constraints. Problems are: Problem set: 2 solved, 22 unsolved
At refinement iteration 7 (OVERLAPS) 2/452 variables, 2/49 constraints. Problems are: Problem set: 2 solved, 22 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/452 variables, 0/49 constraints. Problems are: Problem set: 2 solved, 22 unsolved
At refinement iteration 9 (OVERLAPS) 471/923 variables, 452/501 constraints. Problems are: Problem set: 2 solved, 22 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/923 variables, 14/515 constraints. Problems are: Problem set: 2 solved, 22 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 00:22:53] [INFO ] Deduced a trap along path composed of 17 places in 49 ms of which 15 ms to minimize.
At refinement iteration 11 (INCLUDED_ONLY) 0/923 variables, 1/516 constraints. Problems are: Problem set: 2 solved, 22 unsolved
At refinement iteration 12 (INCLUDED_ONLY) 0/923 variables, 0/516 constraints. Problems are: Problem set: 2 solved, 22 unsolved
At refinement iteration 13 (OVERLAPS) 87/1010 variables, 67/583 constraints. Problems are: Problem set: 2 solved, 22 unsolved
At refinement iteration 14 (INCLUDED_ONLY) 0/1010 variables, 8/591 constraints. Problems are: Problem set: 2 solved, 22 unsolved
SMT process timed out in 10070ms, After SMT, problems are : Problem set: 2 solved, 22 unsolved
Skipping Parikh replay, no witness traces provided.
Support contains 30 out of 527 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 527/527 places, 497/497 transitions.
Graph (complete) has 895 edges and 527 vertex of which 525 are kept as prefixes of interest. Removing 2 places using SCC suffix rule.3 ms
Discarding 2 places :
Also discarding 1 output transitions
Drop transitions (Output transitions of discarded places.) removed 1 transitions
Drop transitions (Empty/Sink Transition effects.) removed 1 transitions
Reduce isomorphic transitions removed 1 transitions.
Drop transitions (Trivial Post-Agglo cleanup.) removed 94 transitions
Trivial Post-agglo rules discarded 94 transitions
Performed 94 trivial Post agglomeration. Transition count delta: 94
Iterating post reduction 0 with 95 rules applied. Total rules applied 96 place count 525 transition count 401
Reduce places removed 94 places and 0 transitions.
Performed 9 Post agglomeration using F-continuation condition.Transition count delta: 9
Iterating post reduction 1 with 103 rules applied. Total rules applied 199 place count 431 transition count 392
Reduce places removed 9 places and 0 transitions.
Iterating post reduction 2 with 9 rules applied. Total rules applied 208 place count 422 transition count 392
Performed 26 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 3 with 26 Pre rules applied. Total rules applied 208 place count 422 transition count 366
Deduced a syphon composed of 26 places in 2 ms
Reduce places removed 26 places and 0 transitions.
Iterating global reduction 3 with 52 rules applied. Total rules applied 260 place count 396 transition count 366
Performed 78 Post agglomeration using F-continuation condition.Transition count delta: 78
Deduced a syphon composed of 78 places in 1 ms
Reduce places removed 78 places and 0 transitions.
Iterating global reduction 3 with 156 rules applied. Total rules applied 416 place count 318 transition count 288
Performed 16 Post agglomeration using F-continuation condition.Transition count delta: 0
Deduced a syphon composed of 16 places in 2 ms
Reduce places removed 16 places and 0 transitions.
Iterating global reduction 3 with 32 rules applied. Total rules applied 448 place count 302 transition count 288
Free-agglomeration rule applied 2 times.
Iterating global reduction 3 with 2 rules applied. Total rules applied 450 place count 302 transition count 286
Reduce places removed 2 places and 0 transitions.
Iterating post reduction 3 with 2 rules applied. Total rules applied 452 place count 300 transition count 286
Free-agglomeration rule (complex) applied 39 times.
Iterating global reduction 4 with 39 rules applied. Total rules applied 491 place count 300 transition count 247
Reduce places removed 39 places and 0 transitions.
Iterating post reduction 4 with 39 rules applied. Total rules applied 530 place count 261 transition count 247
Partial Free-agglomeration rule applied 36 times.
Drop transitions (Partial Free agglomeration) removed 36 transitions
Iterating global reduction 5 with 36 rules applied. Total rules applied 566 place count 261 transition count 247
Reduce places removed 1 places and 1 transitions.
Iterating global reduction 5 with 1 rules applied. Total rules applied 567 place count 260 transition count 246
Applied a total of 567 rules in 149 ms. Remains 260 /527 variables (removed 267) and now considering 246/497 (removed 251) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 149 ms. Remains : 260/527 places, 246/497 transitions.
RANDOM walk for 40000 steps (5168 resets) in 879 ms. (45 steps per ms) remains 22/22 properties
BEST_FIRST walk for 4000 steps (341 resets) in 23 ms. (166 steps per ms) remains 22/22 properties
BEST_FIRST walk for 4001 steps (345 resets) in 19 ms. (200 steps per ms) remains 22/22 properties
BEST_FIRST walk for 4001 steps (347 resets) in 29 ms. (133 steps per ms) remains 22/22 properties
BEST_FIRST walk for 4002 steps (349 resets) in 37 ms. (105 steps per ms) remains 22/22 properties
BEST_FIRST walk for 4001 steps (335 resets) in 39 ms. (100 steps per ms) remains 22/22 properties
BEST_FIRST walk for 4002 steps (328 resets) in 17 ms. (222 steps per ms) remains 22/22 properties
BEST_FIRST walk for 4002 steps (365 resets) in 23 ms. (166 steps per ms) remains 22/22 properties
BEST_FIRST walk for 4001 steps (342 resets) in 25 ms. (153 steps per ms) remains 22/22 properties
BEST_FIRST walk for 4001 steps (323 resets) in 20 ms. (190 steps per ms) remains 22/22 properties
BEST_FIRST walk for 4001 steps (329 resets) in 36 ms. (108 steps per ms) remains 22/22 properties
BEST_FIRST walk for 4001 steps (316 resets) in 36 ms. (108 steps per ms) remains 22/22 properties
BEST_FIRST walk for 4001 steps (329 resets) in 31 ms. (125 steps per ms) remains 22/22 properties
BEST_FIRST walk for 4002 steps (339 resets) in 23 ms. (166 steps per ms) remains 22/22 properties
BEST_FIRST walk for 4000 steps (352 resets) in 30 ms. (129 steps per ms) remains 22/22 properties
BEST_FIRST walk for 4002 steps (317 resets) in 31 ms. (125 steps per ms) remains 22/22 properties
BEST_FIRST walk for 4003 steps (347 resets) in 26 ms. (148 steps per ms) remains 22/22 properties
BEST_FIRST walk for 4003 steps (330 resets) in 29 ms. (133 steps per ms) remains 22/22 properties
BEST_FIRST walk for 4001 steps (339 resets) in 26 ms. (148 steps per ms) remains 22/22 properties
BEST_FIRST walk for 4004 steps (346 resets) in 22 ms. (174 steps per ms) remains 22/22 properties
BEST_FIRST walk for 4004 steps (345 resets) in 23 ms. (166 steps per ms) remains 22/22 properties
BEST_FIRST walk for 4004 steps (317 resets) in 17 ms. (222 steps per ms) remains 22/22 properties
BEST_FIRST walk for 4003 steps (326 resets) in 21 ms. (181 steps per ms) remains 22/22 properties
Interrupted probabilistic random walk after 262667 steps, run timeout after 3001 ms. (steps per millisecond=87 ) properties seen :4 out of 22
Probabilistic random walk after 262667 steps, saw 131364 distinct states, run finished after 3005 ms. (steps per millisecond=87 ) properties seen :4
// Phase 1: matrix 246 rows 260 cols
[2025-06-01 00:23:01] [INFO ] Computed 49 invariants in 22 ms
[2025-06-01 00:23:01] [INFO ] State equation strengthened by 27 read => feed constraints.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/24 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 18 unsolved
At refinement iteration 1 (OVERLAPS) 173/197 variables, 25/25 constraints. Problems are: Problem set: 0 solved, 18 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 00:23:01] [INFO ] Deduced a trap composed of 15 places in 104 ms of which 6 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 00:23:01] [INFO ] Deduced a trap composed of 19 places in 87 ms of which 6 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 00:23:02] [INFO ] Deduced a trap composed of 21 places in 119 ms of which 6 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 00:23:02] [INFO ] Deduced a trap composed of 24 places in 74 ms of which 7 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 00:23:02] [INFO ] Deduced a trap composed of 25 places in 65 ms of which 5 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 00:23:02] [INFO ] Deduced a trap composed of 29 places in 36 ms of which 3 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 00:23:02] [INFO ] Deduced a trap composed of 31 places in 52 ms of which 3 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 00:23:02] [INFO ] Deduced a trap composed of 37 places in 51 ms of which 2 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 00:23:02] [INFO ] Deduced a trap composed of 37 places in 36 ms of which 2 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 00:23:02] [INFO ] Deduced a trap composed of 40 places in 41 ms of which 3 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 00:23:02] [INFO ] Deduced a trap composed of 41 places in 33 ms of which 3 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 00:23:02] [INFO ] Deduced a trap composed of 48 places in 66 ms of which 12 ms to minimize.
At refinement iteration 2 (INCLUDED_ONLY) 0/197 variables, 12/37 constraints. Problems are: Problem set: 0 solved, 18 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/197 variables, 0/37 constraints. Problems are: Problem set: 0 solved, 18 unsolved
At refinement iteration 4 (OVERLAPS) 54/251 variables, 20/57 constraints. Problems are: Problem set: 0 solved, 18 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 00:23:03] [INFO ] Deduced a trap composed of 4 places in 78 ms of which 5 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 00:23:03] [INFO ] Deduced a trap composed of 7 places in 72 ms of which 6 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 00:23:03] [INFO ] Deduced a trap composed of 8 places in 85 ms of which 6 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 00:23:03] [INFO ] Deduced a trap composed of 22 places in 107 ms of which 15 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 00:23:03] [INFO ] Deduced a trap composed of 28 places in 106 ms of which 17 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 00:23:03] [INFO ] Deduced a trap composed of 42 places in 125 ms of which 42 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 00:23:03] [INFO ] Deduced a trap composed of 30 places in 102 ms of which 18 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 00:23:03] [INFO ] Deduced a trap composed of 26 places in 104 ms of which 17 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 00:23:04] [INFO ] Deduced a trap composed of 34 places in 107 ms of which 20 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 00:23:04] [INFO ] Deduced a trap composed of 46 places in 111 ms of which 31 ms to minimize.
At refinement iteration 5 (INCLUDED_ONLY) 0/251 variables, 10/67 constraints. Problems are: Problem set: 0 solved, 18 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/251 variables, 0/67 constraints. Problems are: Problem set: 0 solved, 18 unsolved
At refinement iteration 7 (OVERLAPS) 4/255 variables, 2/69 constraints. Problems are: Problem set: 0 solved, 18 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 00:23:04] [INFO ] Deduced a trap composed of 4 places in 70 ms of which 4 ms to minimize.
At refinement iteration 8 (INCLUDED_ONLY) 0/255 variables, 1/70 constraints. Problems are: Problem set: 0 solved, 18 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/255 variables, 0/70 constraints. Problems are: Problem set: 0 solved, 18 unsolved
At refinement iteration 10 (OVERLAPS) 246/501 variables, 255/325 constraints. Problems are: Problem set: 0 solved, 18 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/501 variables, 27/352 constraints. Problems are: Problem set: 0 solved, 18 unsolved
At refinement iteration 12 (INCLUDED_ONLY) 0/501 variables, 0/352 constraints. Problems are: Problem set: 0 solved, 18 unsolved
At refinement iteration 13 (OVERLAPS) 5/506 variables, 5/357 constraints. Problems are: Problem set: 0 solved, 18 unsolved
At refinement iteration 14 (INCLUDED_ONLY) 0/506 variables, 2/359 constraints. Problems are: Problem set: 0 solved, 18 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 00:23:06] [INFO ] Deduced a trap composed of 60 places in 142 ms of which 51 ms to minimize.
All remaining problems are real, not stopping.
At refinement iteration 15 (INCLUDED_ONLY) 0/506 variables, 1/360 constraints. Problems are: Problem set: 0 solved, 18 unsolved
At refinement iteration 16 (INCLUDED_ONLY) 0/506 variables, 0/360 constraints. Problems are: Problem set: 0 solved, 18 unsolved
At refinement iteration 17 (OVERLAPS) 0/506 variables, 0/360 constraints. Problems are: Problem set: 0 solved, 18 unsolved
No progress, stopping.
After SMT solving in domain Real declared 506/506 variables, and 360 constraints, problems are : Problem set: 0 solved, 18 unsolved in 5849 ms.
Refiners :[Positive P Invariants (semi-flows): 2/2 constraints, Generalized P Invariants (flows): 47/47 constraints, State Equation: 260/260 constraints, ReadFeed: 27/27 constraints, PredecessorRefiner: 18/18 constraints, Known Traps: 24/24 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 18 unsolved
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/24 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 18 unsolved
At refinement iteration 1 (OVERLAPS) 173/197 variables, 25/25 constraints. Problems are: Problem set: 0 solved, 18 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/197 variables, 12/37 constraints. Problems are: Problem set: 0 solved, 18 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/197 variables, 0/37 constraints. Problems are: Problem set: 0 solved, 18 unsolved
At refinement iteration 4 (OVERLAPS) 54/251 variables, 20/57 constraints. Problems are: Problem set: 0 solved, 18 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/251 variables, 11/68 constraints. Problems are: Problem set: 0 solved, 18 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/251 variables, 0/68 constraints. Problems are: Problem set: 0 solved, 18 unsolved
At refinement iteration 7 (OVERLAPS) 4/255 variables, 2/70 constraints. Problems are: Problem set: 0 solved, 18 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/255 variables, 1/71 constraints. Problems are: Problem set: 0 solved, 18 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 00:23:07] [INFO ] Deduced a trap composed of 10 places in 101 ms of which 9 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 00:23:08] [INFO ] Deduced a trap composed of 10 places in 96 ms of which 9 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 00:23:08] [INFO ] Deduced a trap composed of 7 places in 92 ms of which 8 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 00:23:08] [INFO ] Deduced a trap composed of 14 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 00:23:08] [INFO ] Deduced a trap composed of 50 places in 120 ms of which 34 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 00:23:08] [INFO ] Deduced a trap composed of 24 places in 100 ms of which 16 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 00:23:08] [INFO ] Deduced a trap composed of 30 places in 100 ms of which 19 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 00:23:08] [INFO ] Deduced a trap composed of 30 places in 99 ms of which 17 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 00:23:08] [INFO ] Deduced a trap composed of 34 places in 109 ms of which 20 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 00:23:08] [INFO ] Deduced a trap composed of 60 places in 107 ms of which 29 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 00:23:09] [INFO ] Deduced a trap composed of 58 places in 113 ms of which 28 ms to minimize.
At refinement iteration 9 (INCLUDED_ONLY) 0/255 variables, 11/82 constraints. Problems are: Problem set: 0 solved, 18 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 00:23:09] [INFO ] Deduced a trap composed of 26 places in 109 ms of which 17 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 00:23:09] [INFO ] Deduced a trap composed of 48 places in 134 ms of which 44 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 00:23:09] [INFO ] Deduced a trap composed of 49 places in 147 ms of which 55 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 00:23:09] [INFO ] Deduced a trap composed of 26 places in 109 ms of which 17 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 00:23:09] [INFO ] Deduced a trap composed of 52 places in 153 ms of which 53 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 00:23:10] [INFO ] Deduced a trap composed of 55 places in 150 ms of which 48 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 00:23:10] [INFO ] Deduced a trap composed of 56 places in 121 ms of which 37 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 00:23:10] [INFO ] Deduced a trap composed of 35 places in 94 ms of which 21 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 00:23:10] [INFO ] Deduced a trap composed of 47 places in 123 ms of which 41 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 00:23:10] [INFO ] Deduced a trap composed of 49 places in 132 ms of which 39 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 00:23:10] [INFO ] Deduced a trap composed of 50 places in 99 ms of which 26 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 00:23:10] [INFO ] Deduced a trap composed of 51 places in 110 ms of which 34 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 00:23:10] [INFO ] Deduced a trap composed of 51 places in 117 ms of which 38 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 00:23:11] [INFO ] Deduced a trap composed of 54 places in 102 ms of which 29 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 00:23:11] [INFO ] Deduced a trap composed of 55 places in 122 ms of which 32 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 00:23:11] [INFO ] Deduced a trap composed of 54 places in 117 ms of which 37 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 00:23:11] [INFO ] Deduced a trap composed of 58 places in 127 ms of which 43 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 00:23:11] [INFO ] Deduced a trap composed of 58 places in 120 ms of which 37 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 00:23:11] [INFO ] Deduced a trap composed of 22 places in 98 ms of which 14 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 00:23:11] [INFO ] Deduced a trap composed of 61 places in 122 ms of which 33 ms to minimize.
At refinement iteration 10 (INCLUDED_ONLY) 0/255 variables, 20/102 constraints. Problems are: Problem set: 0 solved, 18 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 00:23:11] [INFO ] Deduced a trap composed of 47 places in 127 ms of which 45 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 00:23:12] [INFO ] Deduced a trap composed of 48 places in 111 ms of which 31 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 00:23:12] [INFO ] Deduced a trap composed of 49 places in 131 ms of which 47 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 00:23:12] [INFO ] Deduced a trap composed of 49 places in 137 ms of which 57 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 00:23:12] [INFO ] Deduced a trap composed of 47 places in 126 ms of which 45 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 00:23:12] [INFO ] Deduced a trap composed of 56 places in 105 ms of which 29 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 00:23:12] [INFO ] Deduced a trap composed of 54 places in 120 ms of which 39 ms to minimize.
At refinement iteration 11 (INCLUDED_ONLY) 0/255 variables, 7/109 constraints. Problems are: Problem set: 0 solved, 18 unsolved
At refinement iteration 12 (INCLUDED_ONLY) 0/255 variables, 0/109 constraints. Problems are: Problem set: 0 solved, 18 unsolved
At refinement iteration 13 (OVERLAPS) 246/501 variables, 255/364 constraints. Problems are: Problem set: 0 solved, 18 unsolved
At refinement iteration 14 (INCLUDED_ONLY) 0/501 variables, 27/391 constraints. Problems are: Problem set: 0 solved, 18 unsolved
At refinement iteration 15 (INCLUDED_ONLY) 0/501 variables, 18/409 constraints. Problems are: Problem set: 0 solved, 18 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 00:23:14] [INFO ] Deduced a trap composed of 15 places in 74 ms of which 7 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 00:23:14] [INFO ] Deduced a trap composed of 17 places in 77 ms of which 8 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 00:23:14] [INFO ] Deduced a trap composed of 54 places in 123 ms of which 36 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 00:23:14] [INFO ] Deduced a trap composed of 55 places in 128 ms of which 42 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 00:23:14] [INFO ] Deduced a trap composed of 56 places in 153 ms of which 62 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 00:23:14] [INFO ] Deduced a trap composed of 55 places in 119 ms of which 34 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 00:23:15] [INFO ] Deduced a trap composed of 56 places in 113 ms of which 32 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 00:23:15] [INFO ] Deduced a trap composed of 55 places in 127 ms of which 33 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 00:23:15] [INFO ] Deduced a trap composed of 57 places in 123 ms of which 40 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 00:23:15] [INFO ] Deduced a trap composed of 55 places in 124 ms of which 36 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 00:23:15] [INFO ] Deduced a trap composed of 57 places in 125 ms of which 34 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 00:23:15] [INFO ] Deduced a trap composed of 56 places in 123 ms of which 31 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 00:23:15] [INFO ] Deduced a trap composed of 58 places in 120 ms of which 36 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 00:23:16] [INFO ] Deduced a trap composed of 55 places in 130 ms of which 44 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 00:23:16] [INFO ] Deduced a trap composed of 55 places in 125 ms of which 41 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 00:23:16] [INFO ] Deduced a trap composed of 57 places in 121 ms of which 40 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 00:23:16] [INFO ] Deduced a trap composed of 57 places in 124 ms of which 41 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 00:23:16] [INFO ] Deduced a trap composed of 56 places in 120 ms of which 37 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 00:23:16] [INFO ] Deduced a trap composed of 58 places in 127 ms of which 41 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 00:23:16] [INFO ] Deduced a trap composed of 57 places in 126 ms of which 39 ms to minimize.
At refinement iteration 16 (INCLUDED_ONLY) 0/501 variables, 20/429 constraints. Problems are: Problem set: 0 solved, 18 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 00:23:17] [INFO ] Deduced a trap composed of 58 places in 123 ms of which 36 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 00:23:17] [INFO ] Deduced a trap composed of 59 places in 142 ms of which 63 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 00:23:18] [INFO ] Deduced a trap composed of 59 places in 125 ms of which 45 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 00:23:18] [INFO ] Deduced a trap composed of 60 places in 115 ms of which 36 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 00:23:18] [INFO ] Deduced a trap composed of 58 places in 129 ms of which 34 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 00:23:18] [INFO ] Deduced a trap composed of 59 places in 126 ms of which 33 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 00:23:18] [INFO ] Deduced a trap composed of 59 places in 114 ms of which 38 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 00:23:18] [INFO ] Deduced a trap composed of 60 places in 126 ms of which 28 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 00:23:19] [INFO ] Deduced a trap composed of 39 places in 107 ms of which 24 ms to minimize.
At refinement iteration 17 (INCLUDED_ONLY) 0/501 variables, 9/438 constraints. Problems are: Problem set: 0 solved, 18 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 00:23:20] [INFO ] Deduced a trap along path composed of 11 places in 31 ms of which 1 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 00:23:20] [INFO ] Deduced a trap along path composed of 9 places in 30 ms of which 1 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 00:23:20] [INFO ] Deduced a trap along path composed of 3 places in 38 ms of which 1 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 00:23:20] [INFO ] Deduced a trap along path composed of 10 places in 44 ms of which 1 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 00:23:20] [INFO ] Deduced a trap along path composed of 11 places in 36 ms of which 1 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 00:23:20] [INFO ] Deduced a trap along path composed of 11 places in 39 ms of which 1 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 00:23:20] [INFO ] Deduced a trap along path composed of 6 places in 37 ms of which 0 ms to minimize.
At refinement iteration 18 (INCLUDED_ONLY) 0/501 variables, 7/445 constraints. Problems are: Problem set: 0 solved, 18 unsolved
At refinement iteration 19 (INCLUDED_ONLY) 0/501 variables, 0/445 constraints. Problems are: Problem set: 0 solved, 18 unsolved
At refinement iteration 20 (OVERLAPS) 5/506 variables, 5/450 constraints. Problems are: Problem set: 0 solved, 18 unsolved
At refinement iteration 21 (INCLUDED_ONLY) 0/506 variables, 2/452 constraints. Problems are: Problem set: 0 solved, 18 unsolved
At refinement iteration 22 (INCLUDED_ONLY) 0/506 variables, 0/452 constraints. Problems are: Problem set: 0 solved, 18 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 00:23:25] [INFO ] Deduced a trap composed of 23 places in 105 ms of which 16 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 00:23:25] [INFO ] Deduced a trap composed of 65 places in 118 ms of which 33 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 00:23:25] [INFO ] Deduced a trap composed of 66 places in 116 ms of which 33 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 00:23:25] [INFO ] Deduced a trap composed of 67 places in 134 ms of which 45 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 00:23:26] [INFO ] Deduced a trap composed of 68 places in 117 ms of which 31 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 00:23:26] [INFO ] Deduced a trap composed of 69 places in 111 ms of which 34 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 00:23:26] [INFO ] Deduced a trap composed of 67 places in 119 ms of which 36 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 00:23:26] [INFO ] Deduced a trap composed of 68 places in 117 ms of which 34 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 00:23:27] [INFO ] Deduced a trap composed of 68 places in 122 ms of which 32 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 00:23:27] [INFO ] Deduced a trap composed of 70 places in 120 ms of which 26 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 00:23:27] [INFO ] Deduced a trap composed of 67 places in 117 ms of which 34 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 00:23:27] [INFO ] Deduced a trap composed of 69 places in 106 ms of which 29 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 00:23:27] [INFO ] Deduced a trap composed of 70 places in 111 ms of which 30 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 00:23:27] [INFO ] Deduced a trap composed of 72 places in 110 ms of which 34 ms to minimize.
At refinement iteration 23 (OVERLAPS) 0/506 variables, 14/466 constraints. Problems are: Problem set: 0 solved, 18 unsolved
At refinement iteration 24 (INCLUDED_ONLY) 0/506 variables, 0/466 constraints. Problems are: Problem set: 0 solved, 18 unsolved
At refinement iteration 25 (OVERLAPS) 0/506 variables, 0/466 constraints. Problems are: Problem set: 0 solved, 18 unsolved
No progress, stopping.
After SMT solving in domain Int declared 506/506 variables, and 466 constraints, problems are : Problem set: 0 solved, 18 unsolved in 23787 ms.
Refiners :[Positive P Invariants (semi-flows): 2/2 constraints, Generalized P Invariants (flows): 47/47 constraints, State Equation: 260/260 constraints, ReadFeed: 27/27 constraints, PredecessorRefiner: 18/18 constraints, Known Traps: 105/105 constraints, Known Traps Along Path: 7/7 constraints]
After SMT, in 29673ms problems are : Problem set: 0 solved, 18 unsolved
Fused 18 Parikh solutions to 17 different solutions.
Parikh walk visited 0 properties in 32673 ms.
Support contains 24 out of 260 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 260/260 places, 246/246 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 260 transition count 245
Reduce places removed 1 places and 0 transitions.
Iterating post reduction 1 with 1 rules applied. Total rules applied 2 place count 259 transition count 245
Performed 2 Post agglomeration using F-continuation condition.Transition count delta: 2
Deduced a syphon composed of 2 places in 2 ms
Reduce places removed 2 places and 0 transitions.
Iterating global reduction 2 with 4 rules applied. Total rules applied 6 place count 257 transition count 243
Performed 1 Post agglomeration using F-continuation condition.Transition count delta: 0
Deduced a syphon composed of 1 places in 1 ms
Reduce places removed 1 places and 0 transitions.
Iterating global reduction 2 with 2 rules applied. Total rules applied 8 place count 256 transition count 243
Free-agglomeration rule (complex) applied 1 times.
Iterating global reduction 2 with 1 rules applied. Total rules applied 9 place count 256 transition count 242
Reduce places removed 1 places and 0 transitions.
Iterating post reduction 2 with 1 rules applied. Total rules applied 10 place count 255 transition count 242
Partial Free-agglomeration rule applied 2 times.
Drop transitions (Partial Free agglomeration) removed 2 transitions
Iterating global reduction 3 with 2 rules applied. Total rules applied 12 place count 255 transition count 242
Applied a total of 12 rules in 49 ms. Remains 255 /260 variables (removed 5) and now considering 242/246 (removed 4) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 49 ms. Remains : 255/260 places, 242/246 transitions.
RANDOM walk for 40000 steps (5154 resets) in 253 ms. (157 steps per ms) remains 18/18 properties
BEST_FIRST walk for 4002 steps (335 resets) in 21 ms. (181 steps per ms) remains 18/18 properties
BEST_FIRST walk for 4001 steps (341 resets) in 20 ms. (190 steps per ms) remains 18/18 properties
BEST_FIRST walk for 4001 steps (351 resets) in 25 ms. (153 steps per ms) remains 18/18 properties
BEST_FIRST walk for 4001 steps (337 resets) in 23 ms. (166 steps per ms) remains 18/18 properties
BEST_FIRST walk for 4000 steps (331 resets) in 19 ms. (200 steps per ms) remains 18/18 properties
BEST_FIRST walk for 4004 steps (338 resets) in 22 ms. (174 steps per ms) remains 18/18 properties
BEST_FIRST walk for 4001 steps (344 resets) in 28 ms. (137 steps per ms) remains 18/18 properties
BEST_FIRST walk for 4001 steps (337 resets) in 25 ms. (153 steps per ms) remains 18/18 properties
BEST_FIRST walk for 4003 steps (341 resets) in 18 ms. (210 steps per ms) remains 18/18 properties
BEST_FIRST walk for 4001 steps (347 resets) in 18 ms. (210 steps per ms) remains 18/18 properties
BEST_FIRST walk for 4001 steps (337 resets) in 22 ms. (173 steps per ms) remains 18/18 properties
BEST_FIRST walk for 4003 steps (343 resets) in 20 ms. (190 steps per ms) remains 18/18 properties
BEST_FIRST walk for 4002 steps (348 resets) in 18 ms. (210 steps per ms) remains 18/18 properties
BEST_FIRST walk for 4003 steps (323 resets) in 34 ms. (114 steps per ms) remains 18/18 properties
BEST_FIRST walk for 4001 steps (341 resets) in 30 ms. (129 steps per ms) remains 18/18 properties
BEST_FIRST walk for 4000 steps (339 resets) in 27 ms. (142 steps per ms) remains 18/18 properties
BEST_FIRST walk for 4001 steps (358 resets) in 23 ms. (166 steps per ms) remains 18/18 properties
BEST_FIRST walk for 4003 steps (344 resets) in 24 ms. (160 steps per ms) remains 18/18 properties
Interrupted probabilistic random walk after 249494 steps, run timeout after 3001 ms. (steps per millisecond=83 ) properties seen :0 out of 18
Probabilistic random walk after 249494 steps, saw 124811 distinct states, run finished after 3001 ms. (steps per millisecond=83 ) properties seen :0
// Phase 1: matrix 242 rows 255 cols
[2025-06-01 00:24:07] [INFO ] Computed 49 invariants in 23 ms
[2025-06-01 00:24:07] [INFO ] State equation strengthened by 32 read => feed constraints.
Starting Z3 with timeout 75.0 s and query timeout 7500.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/24 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 18 unsolved
At refinement iteration 1 (OVERLAPS) 77/101 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 18 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/101 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 18 unsolved
At refinement iteration 3 (OVERLAPS) 138/239 variables, 41/42 constraints. Problems are: Problem set: 0 solved, 18 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 00:24:07] [INFO ] Deduced a trap composed of 7 places in 82 ms of which 6 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 00:24:07] [INFO ] Deduced a trap composed of 10 places in 72 ms of which 7 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 00:24:07] [INFO ] Deduced a trap composed of 11 places in 71 ms of which 6 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 00:24:07] [INFO ] Deduced a trap composed of 15 places in 60 ms of which 5 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 00:24:07] [INFO ] Deduced a trap composed of 18 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 00:24:07] [INFO ] Deduced a trap composed of 20 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 00:24:08] [INFO ] Deduced a trap composed of 21 places in 57 ms of which 5 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 00:24:08] [INFO ] Deduced a trap composed of 24 places in 57 ms of which 5 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 00:24:08] [INFO ] Deduced a trap composed of 25 places in 51 ms of which 5 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 00:24:08] [INFO ] Deduced a trap composed of 27 places in 52 ms of which 6 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 00:24:08] [INFO ] Deduced a trap composed of 28 places in 47 ms of which 6 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 00:24:08] [INFO ] Deduced a trap composed of 28 places in 55 ms of which 5 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 00:24:08] [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 00:24:08] [INFO ] Deduced a trap composed of 29 places in 46 ms of which 5 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 00:24:08] [INFO ] Deduced a trap composed of 25 places in 48 ms of which 5 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 00:24:08] [INFO ] Deduced a trap composed of 30 places in 46 ms of which 6 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 00:24:08] [INFO ] Deduced a trap composed of 30 places in 44 ms of which 5 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 00:24:08] [INFO ] Deduced a trap composed of 29 places in 44 ms of which 5 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 00:24:08] [INFO ] Deduced a trap composed of 33 places in 42 ms of which 5 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 00:24:08] [INFO ] Deduced a trap composed of 34 places in 42 ms of which 4 ms to minimize.
At refinement iteration 4 (INCLUDED_ONLY) 0/239 variables, 20/62 constraints. Problems are: Problem set: 0 solved, 18 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 00:24:08] [INFO ] Deduced a trap composed of 36 places in 43 ms of which 3 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 00:24:08] [INFO ] Deduced a trap composed of 37 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 00:24:09] [INFO ] Deduced a trap composed of 43 places in 113 ms of which 31 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 00:24:09] [INFO ] Deduced a trap composed of 61 places in 100 ms of which 22 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 00:24:09] [INFO ] Deduced a trap composed of 49 places in 121 ms of which 37 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 00:24:09] [INFO ] Deduced a trap composed of 60 places in 104 ms of which 31 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 00:24:09] [INFO ] Deduced a trap composed of 58 places in 104 ms of which 30 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 00:24:09] [INFO ] Deduced a trap composed of 60 places in 66 ms of which 13 ms to minimize.
At refinement iteration 5 (INCLUDED_ONLY) 0/239 variables, 8/70 constraints. Problems are: Problem set: 0 solved, 18 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 00:24:09] [INFO ] Deduced a trap composed of 46 places in 117 ms of which 36 ms to minimize.
At refinement iteration 6 (INCLUDED_ONLY) 0/239 variables, 1/71 constraints. Problems are: Problem set: 0 solved, 18 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/239 variables, 0/71 constraints. Problems are: Problem set: 0 solved, 18 unsolved
At refinement iteration 8 (OVERLAPS) 11/250 variables, 5/76 constraints. Problems are: Problem set: 0 solved, 18 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 00:24:10] [INFO ] Deduced a trap composed of 4 places in 76 ms of which 4 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 00:24:10] [INFO ] Deduced a trap composed of 4 places in 67 ms of which 4 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 00:24:10] [INFO ] Deduced a trap composed of 6 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 00:24:10] [INFO ] Deduced a trap composed of 10 places in 69 ms of which 6 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 00:24:10] [INFO ] Deduced a trap composed of 13 places in 68 ms of which 6 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 00:24:10] [INFO ] Deduced a trap composed of 44 places in 126 ms of which 35 ms to minimize.
At refinement iteration 9 (INCLUDED_ONLY) 0/250 variables, 6/82 constraints. Problems are: Problem set: 0 solved, 18 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 00:24:11] [INFO ] Deduced a trap composed of 63 places in 113 ms of which 37 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 00:24:11] [INFO ] Deduced a trap composed of 66 places in 104 ms of which 26 ms to minimize.
At refinement iteration 10 (INCLUDED_ONLY) 0/250 variables, 2/84 constraints. Problems are: Problem set: 0 solved, 18 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/250 variables, 0/84 constraints. Problems are: Problem set: 0 solved, 18 unsolved
At refinement iteration 12 (OVERLAPS) 242/492 variables, 250/334 constraints. Problems are: Problem set: 0 solved, 18 unsolved
At refinement iteration 13 (INCLUDED_ONLY) 0/492 variables, 32/366 constraints. Problems are: Problem set: 0 solved, 18 unsolved
At refinement iteration 14 (INCLUDED_ONLY) 0/492 variables, 0/366 constraints. Problems are: Problem set: 0 solved, 18 unsolved
All remaining problems are real, not stopping.
At refinement iteration 15 (OVERLAPS) 5/497 variables, 5/371 constraints. Problems are: Problem set: 0 solved, 18 unsolved
At refinement iteration 16 (INCLUDED_ONLY) 0/497 variables, 2/373 constraints. Problems are: Problem set: 0 solved, 18 unsolved
At refinement iteration 17 (INCLUDED_ONLY) 0/497 variables, 0/373 constraints. Problems are: Problem set: 0 solved, 18 unsolved
At refinement iteration 18 (OVERLAPS) 0/497 variables, 0/373 constraints. Problems are: Problem set: 0 solved, 18 unsolved
No progress, stopping.
After SMT solving in domain Real declared 497/497 variables, and 373 constraints, problems are : Problem set: 0 solved, 18 unsolved in 6321 ms.
Refiners :[Positive P Invariants (semi-flows): 3/3 constraints, Generalized P Invariants (flows): 46/46 constraints, State Equation: 255/255 constraints, ReadFeed: 32/32 constraints, PredecessorRefiner: 18/18 constraints, Known Traps: 37/37 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 18 unsolved
Starting Z3 with timeout 75.0 s and query timeout 7500.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/24 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 18 unsolved
At refinement iteration 1 (OVERLAPS) 77/101 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 18 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/101 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 18 unsolved
At refinement iteration 3 (OVERLAPS) 138/239 variables, 41/42 constraints. Problems are: Problem set: 0 solved, 18 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/239 variables, 32/74 constraints. Problems are: Problem set: 0 solved, 18 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/239 variables, 0/74 constraints. Problems are: Problem set: 0 solved, 18 unsolved
At refinement iteration 6 (OVERLAPS) 11/250 variables, 5/79 constraints. Problems are: Problem set: 0 solved, 18 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/250 variables, 5/84 constraints. Problems are: Problem set: 0 solved, 18 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 00:24:13] [INFO ] Deduced a trap composed of 8 places in 106 ms of which 9 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 00:24:14] [INFO ] Deduced a trap composed of 10 places in 104 ms of which 8 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 00:24:14] [INFO ] Deduced a trap composed of 13 places in 96 ms of which 10 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 00:24:14] [INFO ] Deduced a trap composed of 22 places in 100 ms of which 14 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 00:24:14] [INFO ] Deduced a trap composed of 46 places in 115 ms of which 29 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 00:24:14] [INFO ] Deduced a trap composed of 49 places in 114 ms of which 25 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 00:24:14] [INFO ] Deduced a trap composed of 46 places in 106 ms of which 26 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 00:24:14] [INFO ] Deduced a trap composed of 49 places in 117 ms of which 34 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 00:24:14] [INFO ] Deduced a trap composed of 42 places in 118 ms of which 29 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 00:24:15] [INFO ] Deduced a trap composed of 44 places in 122 ms of which 32 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 00:24:15] [INFO ] Deduced a trap composed of 42 places in 110 ms of which 26 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 00:24:15] [INFO ] Deduced a trap composed of 43 places in 111 ms of which 29 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 00:24:15] [INFO ] Deduced a trap composed of 45 places in 113 ms of which 29 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 00:24:15] [INFO ] Deduced a trap composed of 45 places in 115 ms of which 28 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 00:24:15] [INFO ] Deduced a trap composed of 46 places in 109 ms of which 21 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 00:24:15] [INFO ] Deduced a trap composed of 38 places in 113 ms of which 30 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 00:24:15] [INFO ] Deduced a trap composed of 23 places in 105 ms of which 17 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 00:24:16] [INFO ] Deduced a trap composed of 47 places in 117 ms of which 32 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 00:24:16] [INFO ] Deduced a trap composed of 52 places in 121 ms of which 44 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 00:24:16] [INFO ] Deduced a trap composed of 43 places in 120 ms of which 41 ms to minimize.
At refinement iteration 8 (INCLUDED_ONLY) 0/250 variables, 20/104 constraints. Problems are: Problem set: 0 solved, 18 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/250 variables, 0/104 constraints. Problems are: Problem set: 0 solved, 18 unsolved
At refinement iteration 10 (OVERLAPS) 242/492 variables, 250/354 constraints. Problems are: Problem set: 0 solved, 18 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/492 variables, 32/386 constraints. Problems are: Problem set: 0 solved, 18 unsolved
At refinement iteration 12 (INCLUDED_ONLY) 0/492 variables, 18/404 constraints. Problems are: Problem set: 0 solved, 18 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 00:24:18] [INFO ] Deduced a trap composed of 18 places in 95 ms of which 12 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 00:24:18] [INFO ] Deduced a trap composed of 45 places in 104 ms of which 25 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 00:24:18] [INFO ] Deduced a trap composed of 23 places in 94 ms of which 13 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 00:24:18] [INFO ] Deduced a trap composed of 47 places in 99 ms of which 24 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 00:24:18] [INFO ] Deduced a trap composed of 49 places in 109 ms of which 26 ms to minimize.
At refinement iteration 13 (INCLUDED_ONLY) 0/492 variables, 5/409 constraints. Problems are: Problem set: 0 solved, 18 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 00:24:20] [INFO ] Deduced a trap along path composed of 3 places in 30 ms of which 1 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 00:24:20] [INFO ] Deduced a trap along path composed of 8 places in 26 ms of which 0 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 00:24:20] [INFO ] Deduced a trap along path composed of 9 places in 26 ms of which 1 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 00:24:20] [INFO ] Deduced a trap along path composed of 9 places in 25 ms of which 0 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 00:24:20] [INFO ] Deduced a trap along path composed of 3 places in 34 ms of which 1 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 00:24:20] [INFO ] Deduced a trap along path composed of 10 places in 38 ms of which 1 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 00:24:20] [INFO ] Deduced a trap along path composed of 24 places in 36 ms of which 1 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 00:24:20] [INFO ] Deduced a trap along path composed of 6 places in 28 ms of which 1 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 00:24:20] [INFO ] Deduced a trap along path composed of 11 places in 31 ms of which 0 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 00:24:20] [INFO ] Deduced a trap along path composed of 12 places in 31 ms of which 1 ms to minimize.
At refinement iteration 14 (INCLUDED_ONLY) 0/492 variables, 10/419 constraints. Problems are: Problem set: 0 solved, 18 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 00:24:22] [INFO ] Deduced a trap along path composed of 6 places in 32 ms of which 1 ms to minimize.
At refinement iteration 15 (INCLUDED_ONLY) 0/492 variables, 1/420 constraints. Problems are: Problem set: 0 solved, 18 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 00:24:22] [INFO ] Deduced a trap composed of 52 places in 105 ms of which 21 ms to minimize.
At refinement iteration 16 (INCLUDED_ONLY) 0/492 variables, 1/421 constraints. Problems are: Problem set: 0 solved, 18 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 00:24:23] [INFO ] Deduced a trap along path composed of 8 places in 36 ms of which 1 ms to minimize.
At refinement iteration 17 (INCLUDED_ONLY) 0/492 variables, 1/422 constraints. Problems are: Problem set: 0 solved, 18 unsolved
At refinement iteration 18 (INCLUDED_ONLY) 0/492 variables, 0/422 constraints. Problems are: Problem set: 0 solved, 18 unsolved
At refinement iteration 19 (OVERLAPS) 5/497 variables, 5/427 constraints. Problems are: Problem set: 0 solved, 18 unsolved
At refinement iteration 20 (INCLUDED_ONLY) 0/497 variables, 2/429 constraints. Problems are: Problem set: 0 solved, 18 unsolved
At refinement iteration 21 (INCLUDED_ONLY) 0/497 variables, 0/429 constraints. Problems are: Problem set: 0 solved, 18 unsolved
At refinement iteration 22 (OVERLAPS) 0/497 variables, 0/429 constraints. Problems are: Problem set: 0 solved, 18 unsolved
No progress, stopping.
After SMT solving in domain Int declared 497/497 variables, and 429 constraints, problems are : Problem set: 0 solved, 18 unsolved in 14677 ms.
Refiners :[Positive P Invariants (semi-flows): 3/3 constraints, Generalized P Invariants (flows): 46/46 constraints, State Equation: 255/255 constraints, ReadFeed: 32/32 constraints, PredecessorRefiner: 18/18 constraints, Known Traps: 63/63 constraints, Known Traps Along Path: 12/12 constraints]
After SMT, in 21037ms problems are : Problem set: 0 solved, 18 unsolved
Fused 18 Parikh solutions to 17 different solutions.
Parikh walk visited 0 properties in 30399 ms.
Support contains 24 out of 255 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 255/255 places, 242/242 transitions.
Applied a total of 0 rules in 13 ms. Remains 255 /255 variables (removed 0) and now considering 242/242 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 13 ms. Remains : 255/255 places, 242/242 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 255/255 places, 242/242 transitions.
Applied a total of 0 rules in 9 ms. Remains 255 /255 variables (removed 0) and now considering 242/242 (removed 0) transitions.
[2025-06-01 00:24:58] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-01 00:24:59] [INFO ] Implicit Places using invariants in 786 ms returned [21, 27, 47, 53, 75, 81, 103, 108, 138, 139, 194, 200, 211, 246, 252]
[2025-06-01 00:24:59] [INFO ] Actually due to overlaps returned [211, 138, 194, 200]
Discarding 4 places :
Implicit Place search using SMT only with invariants took 789 ms to find 4 implicit places.
Starting structural reductions in REACHABILITY mode, iteration 1 : 251/255 places, 242/242 transitions.
Free-agglomeration rule (complex) applied 1 times.
Iterating global reduction 0 with 1 rules applied. Total rules applied 1 place count 251 transition count 241
Reduce places removed 1 places and 0 transitions.
Iterating post reduction 0 with 1 rules applied. Total rules applied 2 place count 250 transition count 241
Partial Free-agglomeration rule applied 1 times.
Drop transitions (Partial Free agglomeration) removed 1 transitions
Iterating global reduction 1 with 1 rules applied. Total rules applied 3 place count 250 transition count 241
Applied a total of 3 rules in 29 ms. Remains 250 /251 variables (removed 1) and now considering 241/242 (removed 1) transitions.
// Phase 1: matrix 241 rows 250 cols
[2025-06-01 00:24:59] [INFO ] Computed 45 invariants in 26 ms
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-01 00:25:00] [INFO ] Implicit Places using invariants in 620 ms returned [21, 27, 47, 53, 75, 81, 103, 108, 138, 241, 247]
[2025-06-01 00:25:00] [INFO ] Actually due to overlaps returned [247, 241]
Discarding 2 places :
Implicit Place search using SMT only with invariants took 623 ms to find 2 implicit places.
Starting structural reductions in REACHABILITY mode, iteration 2 : 248/255 places, 241/242 transitions.
Free-agglomeration rule (complex) applied 1 times.
Iterating global reduction 0 with 1 rules applied. Total rules applied 1 place count 248 transition count 240
Reduce places removed 1 places and 0 transitions.
Iterating post reduction 0 with 1 rules applied. Total rules applied 2 place count 247 transition count 240
Applied a total of 2 rules in 24 ms. Remains 247 /248 variables (removed 1) and now considering 240/241 (removed 1) transitions.
// Phase 1: matrix 240 rows 247 cols
[2025-06-01 00:25:00] [INFO ] Computed 43 invariants in 18 ms
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-01 00:25:00] [INFO ] Implicit Places using invariants in 541 ms returned [21, 27, 47, 53, 75, 81, 103, 108, 138]
[2025-06-01 00:25:00] [INFO ] Actually due to overlaps returned [27, 21]
Discarding 2 places :
Implicit Place search using SMT only with invariants took 546 ms to find 2 implicit places.
Starting structural reductions in REACHABILITY mode, iteration 3 : 245/255 places, 240/242 transitions.
Free-agglomeration rule (complex) applied 1 times.
Iterating global reduction 0 with 1 rules applied. Total rules applied 1 place count 245 transition count 239
Reduce places removed 1 places and 0 transitions.
Iterating post reduction 0 with 1 rules applied. Total rules applied 2 place count 244 transition count 239
Applied a total of 2 rules in 22 ms. Remains 244 /245 variables (removed 1) and now considering 239/240 (removed 1) transitions.
// Phase 1: matrix 239 rows 244 cols
[2025-06-01 00:25:00] [INFO ] Computed 41 invariants in 11 ms
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-01 00:25:01] [INFO ] Implicit Places using invariants in 473 ms returned [44, 50, 72, 78, 100, 105, 135]
[2025-06-01 00:25:01] [INFO ] Actually due to overlaps returned [50, 44]
Discarding 2 places :
Implicit Place search using SMT only with invariants took 476 ms to find 2 implicit places.
Starting structural reductions in REACHABILITY mode, iteration 4 : 242/255 places, 239/242 transitions.
Free-agglomeration rule (complex) applied 1 times.
Iterating global reduction 0 with 1 rules applied. Total rules applied 1 place count 242 transition count 238
Reduce places removed 1 places and 0 transitions.
Iterating post reduction 0 with 1 rules applied. Total rules applied 2 place count 241 transition count 238
Applied a total of 2 rules in 14 ms. Remains 241 /242 variables (removed 1) and now considering 238/239 (removed 1) transitions.
// Phase 1: matrix 238 rows 241 cols
[2025-06-01 00:25:01] [INFO ] Computed 39 invariants in 9 ms
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-01 00:25:01] [INFO ] Implicit Places using invariants in 445 ms returned [69, 75, 97, 102, 132]
[2025-06-01 00:25:01] [INFO ] Actually due to overlaps returned [75, 69]
Discarding 2 places :
Implicit Place search using SMT only with invariants took 448 ms to find 2 implicit places.
Starting structural reductions in REACHABILITY mode, iteration 5 : 239/255 places, 238/242 transitions.
Applied a total of 0 rules in 8 ms. Remains 239 /239 variables (removed 0) and now considering 238/238 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 6 iterations and 2992 ms. Remains : 239/255 places, 238/242 transitions.
Successfully simplified 2 atomic propositions for a total of 13 simplifications.
Computed a total of 7 stabilizing places and 7 stable transitions
Graph (complete) has 895 edges and 527 vertex of which 525 are kept as prefixes of interest. Removing 2 places using SCC suffix rule.9 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)))&&(!p0||X((X(G(p1)) U (!p0&&X(G(p1)))))))))'
Support contains 2 out of 527 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 527/527 places, 497/497 transitions.
Applied a total of 0 rules in 10 ms. Remains 527 /527 variables (removed 0) and now considering 497/497 (removed 0) transitions.
// Phase 1: matrix 497 rows 527 cols
[2025-06-01 00:25:01] [INFO ] Computed 49 invariants in 18 ms
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-01 00:25:02] [INFO ] Implicit Places using invariants in 183 ms returned []
[2025-06-01 00:25:02] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-01 00:25:03] [INFO ] Implicit Places using invariants and state equation in 1731 ms returned []
Implicit Place search using SMT with State Equation took 1917 ms to find 0 implicit places.
Running 496 sub problems to find dead transitions.
[2025-06-01 00:25:03] [INFO ] Invariant cache hit.
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/526 variables, 46/46 constraints. Problems are: Problem set: 0 solved, 496 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/526 variables, 0/46 constraints. Problems are: Problem set: 0 solved, 496 unsolved
At refinement iteration 2 (OVERLAPS) 1/527 variables, 2/48 constraints. Problems are: Problem set: 0 solved, 496 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/527 variables, 1/49 constraints. Problems are: Problem set: 0 solved, 496 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 00:25:22] [INFO ] Deduced a trap composed of 7 places in 28 ms of which 1 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 00:25:23] [INFO ] Deduced a trap composed of 8 places in 24 ms of which 2 ms to minimize.
At refinement iteration 4 (INCLUDED_ONLY) 0/527 variables, 2/51 constraints. Problems are: Problem set: 0 solved, 496 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/527 variables, 0/51 constraints. Problems are: Problem set: 0 solved, 496 unsolved
(s224 0.0timeout
^^^^^^^^^^
(error "Invalid token: 0.0timeout")
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) org.smtlib.IParser$ParserException: Unbalanced parentheses at end of input")
At refinement iteration 6 (OVERLAPS) 497/1024 variables, 527/578 constraints. Problems are: Problem set: 0 solved, 496 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Real declared 1024/1024 variables, and 578 constraints, problems are : Problem set: 0 solved, 496 unsolved in 30032 ms.
Refiners :[Positive P Invariants (semi-flows): 2/2 constraints, Generalized P Invariants (flows): 47/47 constraints, State Equation: 527/527 constraints, PredecessorRefiner: 496/496 constraints, Known Traps: 2/2 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 496 unsolved
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/526 variables, 46/46 constraints. Problems are: Problem set: 0 solved, 496 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/526 variables, 0/46 constraints. Problems are: Problem set: 0 solved, 496 unsolved
At refinement iteration 2 (OVERLAPS) 1/527 variables, 2/48 constraints. Problems are: Problem set: 0 solved, 496 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/527 variables, 1/49 constraints. Problems are: Problem set: 0 solved, 496 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/527 variables, 2/51 constraints. Problems are: Problem set: 0 solved, 496 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/527 variables, 0/51 constraints. Problems are: Problem set: 0 solved, 496 unsolved
At refinement iteration 6 (OVERLAPS) 497/1024 variables, 527/578 constraints. Problems are: Problem set: 0 solved, 496 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/1024 variables, 496/1074 constraints. Problems are: Problem set: 0 solved, 496 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 1024/1024 variables, and 1074 constraints, problems are : Problem set: 0 solved, 496 unsolved in 30019 ms.
Refiners :[Positive P Invariants (semi-flows): 2/2 constraints, Generalized P Invariants (flows): 47/47 constraints, State Equation: 527/527 constraints, PredecessorRefiner: 496/496 constraints, Known Traps: 2/2 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 60120ms problems are : Problem set: 0 solved, 496 unsolved
Search for dead transitions found 0 dead transitions in 60123ms
Finished structural reductions in LTL mode , in 1 iterations and 62059 ms. Remains : 527/527 places, 497/497 transitions.
Stuttering acceptance computed with spot in 366 ms :[true, true, (NOT p0), (OR (NOT p1) p0), (NOT p0), (NOT p1), true]
Running random walk in product with property : DoubleExponent-PT-010-LTLFireability-00
Entered a terminal (fully accepting) state of product in 3 steps with 0 reset in 1 ms.
FORMULA DoubleExponent-PT-010-LTLFireability-00 FALSE TECHNIQUES STUTTER_TEST
Treatment of property DoubleExponent-PT-010-LTLFireability-00 finished in 62488 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))))&&(!p0 U p1)))'
Support contains 2 out of 527 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 527/527 places, 497/497 transitions.
Applied a total of 0 rules in 12 ms. Remains 527 /527 variables (removed 0) and now considering 497/497 (removed 0) transitions.
[2025-06-01 00:26:04] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-01 00:26:04] [INFO ] Implicit Places using invariants in 160 ms returned []
[2025-06-01 00:26:04] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-01 00:26:06] [INFO ] Implicit Places using invariants and state equation in 1676 ms returned []
Implicit Place search using SMT with State Equation took 1837 ms to find 0 implicit places.
Running 496 sub problems to find dead transitions.
[2025-06-01 00:26:06] [INFO ] Invariant cache hit.
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/526 variables, 46/46 constraints. Problems are: Problem set: 0 solved, 496 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/526 variables, 0/46 constraints. Problems are: Problem set: 0 solved, 496 unsolved
At refinement iteration 2 (OVERLAPS) 1/527 variables, 2/48 constraints. Problems are: Problem set: 0 solved, 496 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/527 variables, 1/49 constraints. Problems are: Problem set: 0 solved, 496 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 00:26:24] [INFO ] Deduced a trap composed of 7 places in 26 ms of which 2 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 00:26:25] [INFO ] Deduced a trap composed of 8 places in 24 ms of which 2 ms to minimize.
At refinement iteration 4 (INCLUDED_ONLY) 0/527 variables, 2/51 constraints. Problems are: Problem set: 0 solved, 496 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/527 variables, 0/51 constraints. Problems are: Problem set: 0 solved, 496 unsolved
At refinement iteration 6 (OVERLAPS) 497/1024 variables, 527/578 constraints. Problems are: Problem set: 0 solved, 496 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Real declared 1024/1024 variables, and 578 constraints, problems are : Problem set: 0 solved, 496 unsolved in 30028 ms.
Refiners :[Positive P Invariants (semi-flows): 2/2 constraints, Generalized P Invariants (flows): 47/47 constraints, State Equation: 527/527 constraints, PredecessorRefiner: 496/496 constraints, Known Traps: 2/2 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 496 unsolved
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/526 variables, 46/46 constraints. Problems are: Problem set: 0 solved, 496 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/526 variables, 0/46 constraints. Problems are: Problem set: 0 solved, 496 unsolved
At refinement iteration 2 (OVERLAPS) 1/527 variables, 2/48 constraints. Problems are: Problem set: 0 solved, 496 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/527 variables, 1/49 constraints. Problems are: Problem set: 0 solved, 496 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/527 variables, 2/51 constraints. Problems are: Problem set: 0 solved, 496 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/527 variables, 0/51 constraints. Problems are: Problem set: 0 solved, 496 unsolved
At refinement iteration 6 (OVERLAPS) 497/1024 variables, 527/578 constraints. Problems are: Problem set: 0 solved, 496 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/1024 variables, 496/1074 constraints. Problems are: Problem set: 0 solved, 496 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 1024/1024 variables, and 1074 constraints, problems are : Problem set: 0 solved, 496 unsolved in 30033 ms.
Refiners :[Positive P Invariants (semi-flows): 2/2 constraints, Generalized P Invariants (flows): 47/47 constraints, State Equation: 527/527 constraints, PredecessorRefiner: 496/496 constraints, Known Traps: 2/2 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 60108ms problems are : Problem set: 0 solved, 496 unsolved
Search for dead transitions found 0 dead transitions in 60112ms
Finished structural reductions in LTL mode , in 1 iterations and 61966 ms. Remains : 527/527 places, 497/497 transitions.
Stuttering acceptance computed with spot in 178 ms :[(OR (NOT p0) (NOT p1)), true, (NOT p0), (NOT p1), (NOT p0), (NOT p0)]
Running random walk in product with property : DoubleExponent-PT-010-LTLFireability-02
Stuttering criterion allowed to conclude after 22 steps with 0 reset in 1 ms.
FORMULA DoubleExponent-PT-010-LTLFireability-02 FALSE TECHNIQUES STUTTER_TEST
Treatment of property DoubleExponent-PT-010-LTLFireability-02 finished in 62170 ms.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202505121319/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!(p0)'
Support contains 2 out of 527 places. Attempting structural reductions.
Starting structural reductions in SI_LTL mode, iteration 0 : 527/527 places, 497/497 transitions.
Graph (complete) has 895 edges and 527 vertex of which 526 are kept as prefixes of interest. Removing 1 places using SCC suffix rule.2 ms
Discarding 1 places :
Also discarding 1 output transitions
Drop transitions (Output transitions of discarded places.) removed 1 transitions
Reduce places removed 1 places and 1 transitions.
Drop transitions (Trivial Post-Agglo cleanup.) removed 120 transitions
Trivial Post-agglo rules discarded 120 transitions
Performed 120 trivial Post agglomeration. Transition count delta: 120
Iterating post reduction 0 with 120 rules applied. Total rules applied 121 place count 525 transition count 375
Reduce places removed 120 places and 0 transitions.
Iterating post reduction 1 with 120 rules applied. Total rules applied 241 place count 405 transition count 375
Performed 21 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 2 with 21 Pre rules applied. Total rules applied 241 place count 405 transition count 354
Deduced a syphon composed of 21 places in 2 ms
Reduce places removed 21 places and 0 transitions.
Iterating global reduction 2 with 42 rules applied. Total rules applied 283 place count 384 transition count 354
Performed 92 Post agglomeration using F-continuation condition.Transition count delta: 92
Deduced a syphon composed of 92 places in 1 ms
Reduce places removed 92 places and 0 transitions.
Iterating global reduction 2 with 184 rules applied. Total rules applied 467 place count 292 transition count 262
Performed 18 Post agglomeration using F-continuation condition.Transition count delta: 0
Deduced a syphon composed of 18 places in 1 ms
Reduce places removed 18 places and 0 transitions.
Iterating global reduction 2 with 36 rules applied. Total rules applied 503 place count 274 transition count 262
Reduce places removed 1 places and 1 transitions.
Iterating global reduction 2 with 1 rules applied. Total rules applied 504 place count 273 transition count 261
Applied a total of 504 rules in 39 ms. Remains 273 /527 variables (removed 254) and now considering 261/497 (removed 236) transitions.
// Phase 1: matrix 261 rows 273 cols
[2025-06-01 00:27:06] [INFO ] Computed 49 invariants in 7 ms
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-01 00:27:06] [INFO ] Implicit Places using invariants in 128 ms returned []
[2025-06-01 00:27:06] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-01 00:27:06] [INFO ] State equation strengthened by 18 read => feed constraints.
[2025-06-01 00:27:08] [INFO ] Implicit Places using invariants and state equation in 1482 ms returned []
Implicit Place search using SMT with State Equation took 1611 ms to find 0 implicit places.
Starting Z3 with timeout 200.0 s and query timeout 20000.0 ms
[2025-06-01 00:27:08] [INFO ] Redundant transitions in 14 ms returned []
Running 260 sub problems to find dead transitions.
[2025-06-01 00:27:08] [INFO ] Invariant cache hit.
[2025-06-01 00:27:08] [INFO ] State equation strengthened by 18 read => feed constraints.
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/272 variables, 2/2 constraints. Problems are: Problem set: 0 solved, 260 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/272 variables, 47/49 constraints. Problems are: Problem set: 0 solved, 260 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/272 variables, 0/49 constraints. Problems are: Problem set: 0 solved, 260 unsolved
At refinement iteration 3 (OVERLAPS) 261/533 variables, 272/321 constraints. Problems are: Problem set: 0 solved, 260 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/533 variables, 18/339 constraints. Problems are: Problem set: 0 solved, 260 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/533 variables, 0/339 constraints. Problems are: Problem set: 0 solved, 260 unsolved
At refinement iteration 6 (OVERLAPS) 1/534 variables, 1/340 constraints. Problems are: Problem set: 0 solved, 260 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 00:27:34] [INFO ] Deduced a trap composed of 22 places in 62 ms of which 5 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 00:27:34] [INFO ] Deduced a trap composed of 18 places in 50 ms of which 5 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 00:27:34] [INFO ] Deduced a trap composed of 22 places in 57 ms of which 10 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 00:27:34] [INFO ] Deduced a trap composed of 20 places in 56 ms of which 6 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 00:27:36] [INFO ] Deduced a trap composed of 14 places in 64 ms of which 5 ms to minimize.
Solver is answering 'unknown', stopping.
After SMT solving in domain Real declared 534/534 variables, and 345 constraints, problems are : Problem set: 0 solved, 260 unsolved in 30014 ms.
Refiners :[Positive P Invariants (semi-flows): 2/2 constraints, Generalized P Invariants (flows): 47/47 constraints, State Equation: 273/273 constraints, ReadFeed: 18/18 constraints, PredecessorRefiner: 260/260 constraints, Known Traps: 5/5 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 260 unsolved
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/272 variables, 2/2 constraints. Problems are: Problem set: 0 solved, 260 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/272 variables, 47/49 constraints. Problems are: Problem set: 0 solved, 260 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/272 variables, 0/49 constraints. Problems are: Problem set: 0 solved, 260 unsolved
At refinement iteration 3 (OVERLAPS) 261/533 variables, 272/321 constraints. Problems are: Problem set: 0 solved, 260 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/533 variables, 18/339 constraints. Problems are: Problem set: 0 solved, 260 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/533 variables, 257/596 constraints. Problems are: Problem set: 0 solved, 260 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 533/534 variables, and 596 constraints, problems are : Problem set: 0 solved, 260 unsolved in 30018 ms.
Refiners :[Positive P Invariants (semi-flows): 2/2 constraints, Generalized P Invariants (flows): 47/47 constraints, State Equation: 272/273 constraints, ReadFeed: 18/18 constraints, PredecessorRefiner: 257/260 constraints, Known Traps: 0/5 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 60056ms problems are : Problem set: 0 solved, 260 unsolved
Search for dead transitions found 0 dead transitions in 60057ms
Starting structural reductions in SI_LTL mode, iteration 1 : 273/527 places, 261/497 transitions.
Finished structural reductions in SI_LTL mode , in 1 iterations and 61732 ms. Remains : 273/527 places, 261/497 transitions.
Initial state reduction rules removed 1 formulas.
Stuttering acceptance computed with spot in 43 ms :[true, (NOT p0)]
Running random walk in product with property : DoubleExponent-PT-010-LTLFireability-03
Entered a terminal (fully accepting) state of product in 0 steps with 0 reset in 0 ms.
FORMULA DoubleExponent-PT-010-LTLFireability-03 FALSE TECHNIQUES STUTTER_TEST
Treatment of property DoubleExponent-PT-010-LTLFireability-03 finished in 61788 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((G(p0)&&(p1||X(F((p1&&F(p2))))))))'
Support contains 3 out of 527 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 527/527 places, 497/497 transitions.
Applied a total of 0 rules in 10 ms. Remains 527 /527 variables (removed 0) and now considering 497/497 (removed 0) transitions.
// Phase 1: matrix 497 rows 527 cols
[2025-06-01 00:28:08] [INFO ] Computed 49 invariants in 20 ms
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-01 00:28:08] [INFO ] Implicit Places using invariants in 170 ms returned []
[2025-06-01 00:28:08] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-01 00:28:10] [INFO ] Implicit Places using invariants and state equation in 1732 ms returned []
Implicit Place search using SMT with State Equation took 1907 ms to find 0 implicit places.
Running 496 sub problems to find dead transitions.
[2025-06-01 00:28:10] [INFO ] Invariant cache hit.
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/526 variables, 46/46 constraints. Problems are: Problem set: 0 solved, 496 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/526 variables, 0/46 constraints. Problems are: Problem set: 0 solved, 496 unsolved
At refinement iteration 2 (OVERLAPS) 1/527 variables, 2/48 constraints. Problems are: Problem set: 0 solved, 496 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/527 variables, 1/49 constraints. Problems are: Problem set: 0 solved, 496 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 00:28:28] [INFO ] Deduced a trap composed of 7 places in 20 ms of which 2 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 00:28:29] [INFO ] Deduced a trap composed of 8 places in 25 ms of which 1 ms to minimize.
At refinement iteration 4 (INCLUDED_ONLY) 0/527 variables, 2/51 constraints. Problems are: Problem set: 0 solved, 496 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/527 variables, 0/51 constraints. Problems are: Problem set: 0 solved, 496 unsolved
At refinement iteration 6 (OVERLAPS) 497/1024 variables, 527/578 constraints. Problems are: Problem set: 0 solved, 496 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Real declared 1024/1024 variables, and 578 constraints, problems are : Problem set: 0 solved, 496 unsolved in 30017 ms.
Refiners :[Positive P Invariants (semi-flows): 2/2 constraints, Generalized P Invariants (flows): 47/47 constraints, State Equation: 527/527 constraints, PredecessorRefiner: 496/496 constraints, Known Traps: 2/2 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 496 unsolved
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/526 variables, 46/46 constraints. Problems are: Problem set: 0 solved, 496 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/526 variables, 0/46 constraints. Problems are: Problem set: 0 solved, 496 unsolved
At refinement iteration 2 (OVERLAPS) 1/527 variables, 2/48 constraints. Problems are: Problem set: 0 solved, 496 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/527 variables, 1/49 constraints. Problems are: Problem set: 0 solved, 496 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/527 variables, 2/51 constraints. Problems are: Problem set: 0 solved, 496 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/527 variables, 0/51 constraints. Problems are: Problem set: 0 solved, 496 unsolved
At refinement iteration 6 (OVERLAPS) 497/1024 variables, 527/578 constraints. Problems are: Problem set: 0 solved, 496 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/1024 variables, 496/1074 constraints. Problems are: Problem set: 0 solved, 496 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 1024/1024 variables, and 1074 constraints, problems are : Problem set: 0 solved, 496 unsolved in 30025 ms.
Refiners :[Positive P Invariants (semi-flows): 2/2 constraints, Generalized P Invariants (flows): 47/47 constraints, State Equation: 527/527 constraints, PredecessorRefiner: 496/496 constraints, Known Traps: 2/2 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 60085ms problems are : Problem set: 0 solved, 496 unsolved
Search for dead transitions found 0 dead transitions in 60089ms
Finished structural reductions in LTL mode , in 1 iterations and 62009 ms. Remains : 527/527 places, 497/497 transitions.
Stuttering acceptance computed with spot in 226 ms :[(NOT p0), (OR (NOT p1) (NOT p0)), (OR (NOT p0) (NOT p1) (NOT p2)), (OR (NOT p0) (NOT p2)), true, (OR (NOT p1) (NOT p0))]
Running random walk in product with property : DoubleExponent-PT-010-LTLFireability-04
Entered a terminal (fully accepting) state of product in 1 steps with 0 reset in 1 ms.
FORMULA DoubleExponent-PT-010-LTLFireability-04 FALSE TECHNIQUES STUTTER_TEST
Treatment of property DoubleExponent-PT-010-LTLFireability-04 finished in 62265 ms.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202505121319/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!((X((p0&&X(X(p0))))&&(G(p1)||(!p2 U (p3||G(!p2))))))'
Support contains 7 out of 527 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 527/527 places, 497/497 transitions.
Applied a total of 0 rules in 12 ms. Remains 527 /527 variables (removed 0) and now considering 497/497 (removed 0) transitions.
[2025-06-01 00:29:10] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-01 00:29:10] [INFO ] Implicit Places using invariants in 154 ms returned []
[2025-06-01 00:29:10] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-01 00:29:12] [INFO ] Implicit Places using invariants and state equation in 1621 ms returned []
Implicit Place search using SMT with State Equation took 1777 ms to find 0 implicit places.
Running 496 sub problems to find dead transitions.
[2025-06-01 00:29:12] [INFO ] Invariant cache hit.
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/526 variables, 46/46 constraints. Problems are: Problem set: 0 solved, 496 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/526 variables, 0/46 constraints. Problems are: Problem set: 0 solved, 496 unsolved
At refinement iteration 2 (OVERLAPS) 1/527 variables, 2/48 constraints. Problems are: Problem set: 0 solved, 496 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/527 variables, 1/49 constraints. Problems are: Problem set: 0 solved, 496 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 00:29:30] [INFO ] Deduced a trap composed of 7 places in 26 ms of which 2 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 00:29:31] [INFO ] Deduced a trap composed of 8 places in 22 ms of which 1 ms to minimize.
At refinement iteration 4 (INCLUDED_ONLY) 0/527 variables, 2/51 constraints. Problems are: Problem set: 0 solved, 496 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/527 variables, 0/51 constraints. Problems are: Problem set: 0 solved, 496 unsolved
At refinement iteration 6 (OVERLAPS) 497/1024 variables, 527/578 constraints. Problems are: Problem set: 0 solved, 496 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Real declared 1024/1024 variables, and 578 constraints, problems are : Problem set: 0 solved, 496 unsolved in 30022 ms.
Refiners :[Positive P Invariants (semi-flows): 2/2 constraints, Generalized P Invariants (flows): 47/47 constraints, State Equation: 527/527 constraints, PredecessorRefiner: 496/496 constraints, Known Traps: 2/2 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 496 unsolved
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/526 variables, 46/46 constraints. Problems are: Problem set: 0 solved, 496 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/526 variables, 0/46 constraints. Problems are: Problem set: 0 solved, 496 unsolved
At refinement iteration 2 (OVERLAPS) 1/527 variables, 2/48 constraints. Problems are: Problem set: 0 solved, 496 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/527 variables, 1/49 constraints. Problems are: Problem set: 0 solved, 496 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/527 variables, 2/51 constraints. Problems are: Problem set: 0 solved, 496 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/527 variables, 0/51 constraints. Problems are: Problem set: 0 solved, 496 unsolved
At refinement iteration 6 (OVERLAPS) 497/1024 variables, 527/578 constraints. Problems are: Problem set: 0 solved, 496 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/1024 variables, 496/1074 constraints. Problems are: Problem set: 0 solved, 496 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 1024/1024 variables, and 1074 constraints, problems are : Problem set: 0 solved, 496 unsolved in 30020 ms.
Refiners :[Positive P Invariants (semi-flows): 2/2 constraints, Generalized P Invariants (flows): 47/47 constraints, State Equation: 527/527 constraints, PredecessorRefiner: 496/496 constraints, Known Traps: 2/2 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 60080ms problems are : Problem set: 0 solved, 496 unsolved
Search for dead transitions found 0 dead transitions in 60083ms
Finished structural reductions in LTL mode , in 1 iterations and 61875 ms. Remains : 527/527 places, 497/497 transitions.
Stuttering acceptance computed with spot in 282 ms :[(OR (NOT p0) (AND (NOT p1) p2 (NOT p3))), true, (NOT p0), (NOT p1), (AND (NOT p3) p2), (AND (NOT p1) (NOT p3) p2), (NOT p0), (NOT p0)]
Running random walk in product with property : DoubleExponent-PT-010-LTLFireability-05
Product exploration explored 100000 steps with 25000 reset in 230 ms.
Product exploration explored 100000 steps with 25000 reset in 203 ms.
Computed a total of 7 stabilizing places and 7 stable transitions
Graph (complete) has 895 edges and 527 vertex of which 525 are kept as prefixes of interest. Removing 2 places using SCC suffix rule.5 ms
Computed a total of 7 stabilizing places and 7 stable transitions
Knowledge obtained : [(AND p1 p3 (NOT p2) p0), (X (NOT (AND (NOT p3) p2))), (X (NOT p2)), (X p3), (X (NOT (AND p1 (NOT p3) p2))), (X p0), (X (NOT (AND (NOT p3) (NOT p2)))), (X (NOT (AND (NOT p1) (NOT p3) p2))), (X (NOT (AND p1 (NOT p3) (NOT p2)))), (X (NOT (AND (NOT p1) (NOT p3) (NOT p2)))), (X p1), (X (X (NOT (AND (NOT p3) p2)))), (X (X (NOT p2))), (X (X p3)), (X (X (NOT (AND p1 (NOT p3) p2)))), (X (X (NOT (AND (NOT p3) (NOT p2))))), (X (X (NOT (AND (NOT p1) (NOT p3) p2)))), (X (X (NOT (AND p1 (NOT p3) (NOT p2))))), (X (X (NOT (AND (NOT p1) (NOT p3) (NOT p2))))), (X (X p1))]
False Knowledge obtained : []
Knowledge based reduction with 20 factoid took 115 ms. Reduced automaton from 8 states, 18 edges and 4 AP (stutter sensitive) to 5 states, 5 edges and 1 AP (stutter sensitive).
Stuttering acceptance computed with spot in 129 ms :[(NOT p0), (NOT p0), (NOT p0), (NOT p0), true]
RANDOM walk for 40000 steps (1337 resets) in 77 ms. (512 steps per ms) remains 1/1 properties
BEST_FIRST walk for 40000 steps (1136 resets) in 51 ms. (769 steps per ms) remains 1/1 properties
Interrupted probabilistic random walk after 442602 steps, run timeout after 3001 ms. (steps per millisecond=147 ) properties seen :0 out of 1
Probabilistic random walk after 442602 steps, saw 221333 distinct states, run finished after 3001 ms. (steps per millisecond=147 ) properties seen :0
[2025-06-01 00:30:16] [INFO ] Invariant cache hit.
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/2 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 1 (OVERLAPS) 48/50 variables, 3/3 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/50 variables, 0/3 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (OVERLAPS) 103/153 variables, 12/15 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/153 variables, 0/15 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (OVERLAPS) 63/216 variables, 7/22 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/216 variables, 0/22 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (OVERLAPS) 47/263 variables, 5/27 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/263 variables, 0/27 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (OVERLAPS) 47/310 variables, 5/32 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/310 variables, 0/32 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 11 (OVERLAPS) 59/369 variables, 5/37 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 12 (INCLUDED_ONLY) 0/369 variables, 0/37 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 13 (OVERLAPS) 73/442 variables, 8/45 constraints. Problems are: Problem set: 0 solved, 1 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 00:30:16] [INFO ] Deduced a trap composed of 16 places in 89 ms of which 7 ms to minimize.
At refinement iteration 14 (INCLUDED_ONLY) 0/442 variables, 1/46 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 15 (INCLUDED_ONLY) 0/442 variables, 0/46 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 16 (OVERLAPS) 6/448 variables, 2/48 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 17 (INCLUDED_ONLY) 0/448 variables, 0/48 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 18 (OVERLAPS) 2/450 variables, 2/50 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 19 (INCLUDED_ONLY) 0/450 variables, 0/50 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 20 (OVERLAPS) 471/921 variables, 450/500 constraints. Problems are: Problem set: 0 solved, 1 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 00:30:16] [INFO ] Deduced a trap along path composed of 17 places in 58 ms of which 4 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 00:30:17] [INFO ] Deduced a trap along path composed of 17 places in 55 ms of which 1 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 00:30:17] [INFO ] Deduced a trap along path composed of 17 places in 49 ms of which 1 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 00:30:17] [INFO ] Deduced a trap along path composed of 17 places in 47 ms of which 1 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 00:30:17] [INFO ] Deduced a trap along path composed of 16 places in 47 ms of which 1 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 00:30:17] [INFO ] Deduced a trap along path composed of 13 places in 40 ms of which 1 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 00:30:17] [INFO ] Deduced a trap along path composed of 17 places in 39 ms of which 0 ms to minimize.
At refinement iteration 21 (INCLUDED_ONLY) 0/921 variables, 7/507 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 22 (INCLUDED_ONLY) 0/921 variables, 0/507 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 23 (OVERLAPS) 89/1010 variables, 69/576 constraints. Problems are: Problem set: 0 solved, 1 unsolved
All remaining problems are real, not stopping.
At refinement iteration 24 (INCLUDED_ONLY) 0/1010 variables, 0/576 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 25 (OVERLAPS) 8/1018 variables, 4/580 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 26 (INCLUDED_ONLY) 0/1018 variables, 0/580 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 27 (OVERLAPS) 5/1023 variables, 3/583 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 28 (INCLUDED_ONLY) 0/1023 variables, 0/583 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 29 (OVERLAPS) 1/1024 variables, 1/584 constraints. Problems are: Problem set: 0 solved, 1 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 00:30:17] [INFO ] Deduced a trap composed of 121 places in 81 ms of which 10 ms to minimize.
At refinement iteration 30 (INCLUDED_ONLY) 0/1024 variables, 1/585 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 31 (INCLUDED_ONLY) 0/1024 variables, 0/585 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 32 (OVERLAPS) 0/1024 variables, 0/585 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Real declared 1024/1024 variables, and 585 constraints, problems are : Problem set: 0 solved, 1 unsolved in 1462 ms.
Refiners :[Positive P Invariants (semi-flows): 2/2 constraints, Generalized P Invariants (flows): 47/47 constraints, State Equation: 527/527 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 2/2 constraints, Known Traps Along Path: 7/7 constraints]
Escalating to Integer solving :Problem set: 0 solved, 1 unsolved
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/2 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 1 (OVERLAPS) 48/50 variables, 3/3 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/50 variables, 0/3 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (OVERLAPS) 103/153 variables, 12/15 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/153 variables, 0/15 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (OVERLAPS) 63/216 variables, 7/22 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/216 variables, 0/22 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (OVERLAPS) 47/263 variables, 5/27 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/263 variables, 0/27 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (OVERLAPS) 47/310 variables, 5/32 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/310 variables, 0/32 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 11 (OVERLAPS) 59/369 variables, 5/37 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 12 (INCLUDED_ONLY) 0/369 variables, 0/37 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 13 (OVERLAPS) 73/442 variables, 8/45 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 14 (INCLUDED_ONLY) 0/442 variables, 1/46 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 15 (INCLUDED_ONLY) 0/442 variables, 0/46 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 16 (OVERLAPS) 6/448 variables, 2/48 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 17 (INCLUDED_ONLY) 0/448 variables, 0/48 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 18 (OVERLAPS) 2/450 variables, 2/50 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 19 (INCLUDED_ONLY) 0/450 variables, 0/50 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 20 (OVERLAPS) 471/921 variables, 450/500 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 21 (INCLUDED_ONLY) 0/921 variables, 7/507 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 22 (INCLUDED_ONLY) 0/921 variables, 0/507 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 23 (OVERLAPS) 89/1010 variables, 69/576 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 24 (INCLUDED_ONLY) 0/1010 variables, 1/577 constraints. Problems are: Problem set: 0 solved, 1 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 00:30:18] [INFO ] Deduced a trap along path composed of 5 places in 72 ms of which 1 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 00:30:18] [INFO ] Deduced a trap along path composed of 5 places in 63 ms of which 1 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 00:30:19] [INFO ] Deduced a trap along path composed of 17 places in 61 ms of which 1 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 00:30:19] [INFO ] Deduced a trap along path composed of 16 places in 57 ms of which 1 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 00:30:19] [INFO ] Deduced a trap along path composed of 17 places in 59 ms of which 1 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 00:30:19] [INFO ] Deduced a trap along path composed of 16 places in 52 ms of which 1 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 00:30:19] [INFO ] Deduced a trap along path composed of 16 places in 56 ms of which 2 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 00:30:19] [INFO ] Deduced a trap along path composed of 16 places in 53 ms of which 1 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 00:30:20] [INFO ] Deduced a trap along path composed of 23 places in 66 ms of which 2 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 00:30:20] [INFO ] Deduced a trap along path composed of 16 places in 70 ms of which 1 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 00:30:21] [INFO ] Deduced a trap along path composed of 16 places in 61 ms of which 1 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 00:30:21] [INFO ] Deduced a trap along path composed of 17 places in 71 ms of which 1 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 00:30:21] [INFO ] Deduced a trap along path composed of 16 places in 55 ms of which 1 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 00:30:22] [INFO ] Deduced a trap along path composed of 24 places in 63 ms of which 1 ms to minimize.
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 1010/1024 variables, and 591 constraints, problems are : Problem set: 0 solved, 1 unsolved in 4813 ms.
Refiners :[Positive P Invariants (semi-flows): 2/2 constraints, Generalized P Invariants (flows): 47/47 constraints, State Equation: 519/527 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 1/2 constraints, Known Traps Along Path: 21/21 constraints]
After SMT, in 6281ms problems are : Problem set: 0 solved, 1 unsolved
Parikh walk visited 0 properties in 669 ms.
Support contains 2 out of 527 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 527/527 places, 497/497 transitions.
Graph (complete) has 895 edges and 527 vertex of which 525 are kept as prefixes of interest. Removing 2 places using SCC suffix rule.1 ms
Discarding 2 places :
Also discarding 1 output transitions
Drop transitions (Output transitions of discarded places.) removed 1 transitions
Drop transitions (Empty/Sink Transition effects.) removed 1 transitions
Reduce isomorphic transitions removed 1 transitions.
Drop transitions (Trivial Post-Agglo cleanup.) removed 120 transitions
Trivial Post-agglo rules discarded 120 transitions
Performed 120 trivial Post agglomeration. Transition count delta: 120
Iterating post reduction 0 with 121 rules applied. Total rules applied 122 place count 525 transition count 375
Reduce places removed 120 places and 0 transitions.
Performed 2 Post agglomeration using F-continuation condition.Transition count delta: 2
Iterating post reduction 1 with 122 rules applied. Total rules applied 244 place count 405 transition count 373
Reduce places removed 2 places and 0 transitions.
Iterating post reduction 2 with 2 rules applied. Total rules applied 246 place count 403 transition count 373
Performed 21 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 3 with 21 Pre rules applied. Total rules applied 246 place count 403 transition count 352
Deduced a syphon composed of 21 places in 2 ms
Reduce places removed 21 places and 0 transitions.
Iterating global reduction 3 with 42 rules applied. Total rules applied 288 place count 382 transition count 352
Performed 92 Post agglomeration using F-continuation condition.Transition count delta: 92
Deduced a syphon composed of 92 places in 0 ms
Reduce places removed 92 places and 0 transitions.
Iterating global reduction 3 with 184 rules applied. Total rules applied 472 place count 290 transition count 260
Performed 18 Post agglomeration using F-continuation condition.Transition count delta: 0
Deduced a syphon composed of 18 places in 0 ms
Reduce places removed 18 places and 0 transitions.
Iterating global reduction 3 with 36 rules applied. Total rules applied 508 place count 272 transition count 260
Free-agglomeration rule (complex) applied 36 times.
Iterating global reduction 3 with 36 rules applied. Total rules applied 544 place count 272 transition count 224
Reduce places removed 36 places and 0 transitions.
Iterating post reduction 3 with 36 rules applied. Total rules applied 580 place count 236 transition count 224
Partial Free-agglomeration rule applied 39 times.
Drop transitions (Partial Free agglomeration) removed 39 transitions
Iterating global reduction 4 with 39 rules applied. Total rules applied 619 place count 236 transition count 224
Reduce places removed 1 places and 1 transitions.
Iterating global reduction 4 with 1 rules applied. Total rules applied 620 place count 235 transition count 223
Applied a total of 620 rules in 43 ms. Remains 235 /527 variables (removed 292) and now considering 223/497 (removed 274) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 43 ms. Remains : 235/527 places, 223/497 transitions.
RANDOM walk for 40000 steps (5088 resets) in 60 ms. (655 steps per ms) remains 1/1 properties
BEST_FIRST walk for 40001 steps (3396 resets) in 40 ms. (975 steps per ms) remains 1/1 properties
Interrupted probabilistic random walk after 687209 steps, run timeout after 3001 ms. (steps per millisecond=228 ) properties seen :0 out of 1
Probabilistic random walk after 687209 steps, saw 343841 distinct states, run finished after 3001 ms. (steps per millisecond=228 ) properties seen :0
// Phase 1: matrix 223 rows 235 cols
[2025-06-01 00:30:26] [INFO ] Computed 49 invariants in 21 ms
[2025-06-01 00:30:26] [INFO ] State equation strengthened by 38 read => feed constraints.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/2 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 1 (OVERLAPS) 132/134 variables, 2/2 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/134 variables, 0/2 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (OVERLAPS) 7/141 variables, 1/3 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/141 variables, 0/3 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (OVERLAPS) 89/230 variables, 44/47 constraints. Problems are: Problem set: 0 solved, 1 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 00:30:26] [INFO ] Deduced a trap composed of 4 places in 83 ms of which 6 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 00:30:26] [INFO ] Deduced a trap composed of 7 places in 73 ms of which 6 ms to minimize.
At refinement iteration 6 (INCLUDED_ONLY) 0/230 variables, 2/49 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/230 variables, 0/49 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (OVERLAPS) 223/453 variables, 230/279 constraints. Problems are: Problem set: 0 solved, 1 unsolved
All remaining problems are real, not stopping.
At refinement iteration 9 (INCLUDED_ONLY) 0/453 variables, 38/317 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/453 variables, 0/317 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 11 (OVERLAPS) 5/458 variables, 5/322 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 12 (INCLUDED_ONLY) 0/458 variables, 2/324 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 13 (INCLUDED_ONLY) 0/458 variables, 0/324 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 14 (OVERLAPS) 0/458 variables, 0/324 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Real declared 458/458 variables, and 324 constraints, problems are : Problem set: 0 solved, 1 unsolved in 430 ms.
Refiners :[Positive P Invariants (semi-flows): 5/5 constraints, Generalized P Invariants (flows): 44/44 constraints, State Equation: 235/235 constraints, ReadFeed: 38/38 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 2/2 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 1 unsolved
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/2 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 1 (OVERLAPS) 132/134 variables, 2/2 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/134 variables, 0/2 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (OVERLAPS) 7/141 variables, 1/3 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/141 variables, 0/3 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (OVERLAPS) 89/230 variables, 44/47 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/230 variables, 2/49 constraints. Problems are: Problem set: 0 solved, 1 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 00:30:27] [INFO ] Deduced a trap composed of 6 places in 78 ms of which 6 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 00:30:27] [INFO ] Deduced a trap composed of 8 places in 84 ms of which 7 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 00:30:27] [INFO ] Deduced a trap composed of 9 places in 78 ms of which 6 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 00:30:27] [INFO ] Deduced a trap composed of 10 places in 75 ms of which 6 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 00:30:27] [INFO ] Deduced a trap composed of 13 places in 70 ms of which 6 ms to minimize.
At refinement iteration 7 (INCLUDED_ONLY) 0/230 variables, 5/54 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/230 variables, 0/54 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (OVERLAPS) 223/453 variables, 230/284 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/453 variables, 38/322 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/453 variables, 1/323 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 12 (INCLUDED_ONLY) 0/453 variables, 0/323 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 13 (OVERLAPS) 5/458 variables, 5/328 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 14 (INCLUDED_ONLY) 0/458 variables, 2/330 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 15 (INCLUDED_ONLY) 0/458 variables, 0/330 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 16 (OVERLAPS) 0/458 variables, 0/330 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Int declared 458/458 variables, and 330 constraints, problems are : Problem set: 0 solved, 1 unsolved in 757 ms.
Refiners :[Positive P Invariants (semi-flows): 5/5 constraints, Generalized P Invariants (flows): 44/44 constraints, State Equation: 235/235 constraints, ReadFeed: 38/38 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 7/7 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 1216ms problems are : Problem set: 0 solved, 1 unsolved
Parikh walk visited 0 properties in 946 ms.
Support contains 2 out of 235 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 235/235 places, 223/223 transitions.
Applied a total of 0 rules in 5 ms. Remains 235 /235 variables (removed 0) and now considering 223/223 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 5 ms. Remains : 235/235 places, 223/223 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 235/235 places, 223/223 transitions.
Applied a total of 0 rules in 5 ms. Remains 235 /235 variables (removed 0) and now considering 223/223 (removed 0) transitions.
[2025-06-01 00:30:28] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-01 00:30:29] [INFO ] Implicit Places using invariants in 897 ms returned [20, 26, 46, 51, 72, 77, 97, 103, 124, 129, 130, 156, 178, 184, 192, 226, 232]
[2025-06-01 00:30:29] [INFO ] Actually due to overlaps returned [192, 129]
Discarding 2 places :
Implicit Place search using SMT only with invariants took 901 ms to find 2 implicit places.
Starting structural reductions in REACHABILITY mode, iteration 1 : 233/235 places, 223/223 transitions.
Free-agglomeration rule (complex) applied 1 times.
Iterating global reduction 0 with 1 rules applied. Total rules applied 1 place count 233 transition count 222
Reduce places removed 1 places and 0 transitions.
Iterating post reduction 0 with 1 rules applied. Total rules applied 2 place count 232 transition count 222
Applied a total of 2 rules in 15 ms. Remains 232 /233 variables (removed 1) and now considering 222/223 (removed 1) transitions.
// Phase 1: matrix 222 rows 232 cols
[2025-06-01 00:30:29] [INFO ] Computed 47 invariants in 12 ms
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-01 00:30:30] [INFO ] Implicit Places using invariants in 748 ms returned [20, 26, 46, 51, 72, 77, 97, 103, 124, 129, 155, 177, 183, 223, 229]
[2025-06-01 00:30:30] [INFO ] Actually due to overlaps returned [229, 223]
Discarding 2 places :
Implicit Place search using SMT only with invariants took 751 ms to find 2 implicit places.
Starting structural reductions in REACHABILITY mode, iteration 2 : 230/235 places, 222/223 transitions.
Free-agglomeration rule (complex) applied 1 times.
Iterating global reduction 0 with 1 rules applied. Total rules applied 1 place count 230 transition count 221
Reduce places removed 1 places and 0 transitions.
Iterating post reduction 0 with 1 rules applied. Total rules applied 2 place count 229 transition count 221
Applied a total of 2 rules in 14 ms. Remains 229 /230 variables (removed 1) and now considering 221/222 (removed 1) transitions.
// Phase 1: matrix 221 rows 229 cols
[2025-06-01 00:30:30] [INFO ] Computed 45 invariants in 15 ms
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-01 00:30:30] [INFO ] Implicit Places using invariants in 601 ms returned [20, 26, 46, 51, 72, 77, 97, 103, 124, 129, 155, 177, 183]
[2025-06-01 00:30:30] [INFO ] Actually due to overlaps returned [26, 20]
Discarding 2 places :
Implicit Place search using SMT only with invariants took 603 ms to find 2 implicit places.
Starting structural reductions in REACHABILITY mode, iteration 3 : 227/235 places, 221/223 transitions.
Free-agglomeration rule (complex) applied 1 times.
Iterating global reduction 0 with 1 rules applied. Total rules applied 1 place count 227 transition count 220
Reduce places removed 1 places and 0 transitions.
Iterating post reduction 0 with 1 rules applied. Total rules applied 2 place count 226 transition count 220
Applied a total of 2 rules in 12 ms. Remains 226 /227 variables (removed 1) and now considering 220/221 (removed 1) transitions.
// Phase 1: matrix 220 rows 226 cols
[2025-06-01 00:30:31] [INFO ] Computed 43 invariants in 13 ms
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-01 00:30:31] [INFO ] Implicit Places using invariants in 561 ms returned [43, 48, 69, 74, 94, 100, 121, 126, 152, 174, 180]
[2025-06-01 00:30:31] [INFO ] Actually due to overlaps returned [48, 43]
Discarding 2 places :
Implicit Place search using SMT only with invariants took 567 ms to find 2 implicit places.
Starting structural reductions in REACHABILITY mode, iteration 4 : 224/235 places, 220/223 transitions.
Free-agglomeration rule (complex) applied 1 times.
Iterating global reduction 0 with 1 rules applied. Total rules applied 1 place count 224 transition count 219
Reduce places removed 1 places and 0 transitions.
Iterating post reduction 0 with 1 rules applied. Total rules applied 2 place count 223 transition count 219
Applied a total of 2 rules in 10 ms. Remains 223 /224 variables (removed 1) and now considering 219/220 (removed 1) transitions.
// Phase 1: matrix 219 rows 223 cols
[2025-06-01 00:30:31] [INFO ] Computed 41 invariants in 7 ms
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-01 00:30:32] [INFO ] Implicit Places using invariants in 454 ms returned [66, 71, 91, 97, 118, 123, 149, 171, 177]
[2025-06-01 00:30:32] [INFO ] Actually due to overlaps returned [71, 66]
Discarding 2 places :
Implicit Place search using SMT only with invariants took 456 ms to find 2 implicit places.
Starting structural reductions in REACHABILITY mode, iteration 5 : 221/235 places, 219/223 transitions.
Free-agglomeration rule (complex) applied 1 times.
Iterating global reduction 0 with 1 rules applied. Total rules applied 1 place count 221 transition count 218
Reduce places removed 1 places and 0 transitions.
Iterating post reduction 0 with 1 rules applied. Total rules applied 2 place count 220 transition count 218
Applied a total of 2 rules in 10 ms. Remains 220 /221 variables (removed 1) and now considering 218/219 (removed 1) transitions.
// Phase 1: matrix 218 rows 220 cols
[2025-06-01 00:30:32] [INFO ] Computed 39 invariants in 12 ms
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-01 00:30:32] [INFO ] Implicit Places using invariants in 425 ms returned [88, 94, 115, 120, 146, 168, 174]
[2025-06-01 00:30:32] [INFO ] Actually due to overlaps returned [94, 88]
Discarding 2 places :
Implicit Place search using SMT only with invariants took 426 ms to find 2 implicit places.
Starting structural reductions in REACHABILITY mode, iteration 6 : 218/235 places, 218/223 transitions.
Free-agglomeration rule (complex) applied 1 times.
Iterating global reduction 0 with 1 rules applied. Total rules applied 1 place count 218 transition count 217
Reduce places removed 1 places and 0 transitions.
Iterating post reduction 0 with 1 rules applied. Total rules applied 2 place count 217 transition count 217
Applied a total of 2 rules in 12 ms. Remains 217 /218 variables (removed 1) and now considering 217/218 (removed 1) transitions.
// Phase 1: matrix 217 rows 217 cols
[2025-06-01 00:30:32] [INFO ] Computed 37 invariants in 12 ms
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-01 00:30:32] [INFO ] Implicit Places using invariants in 378 ms returned [112, 117, 143, 165, 171]
[2025-06-01 00:30:32] [INFO ] Actually due to overlaps returned [117, 112]
Discarding 2 places :
Implicit Place search using SMT only with invariants took 380 ms to find 2 implicit places.
Starting structural reductions in REACHABILITY mode, iteration 7 : 215/235 places, 217/223 transitions.
Free-agglomeration rule (complex) applied 1 times.
Iterating global reduction 0 with 1 rules applied. Total rules applied 1 place count 215 transition count 216
Reduce places removed 1 places and 0 transitions.
Iterating post reduction 0 with 1 rules applied. Total rules applied 2 place count 214 transition count 216
Applied a total of 2 rules in 11 ms. Remains 214 /215 variables (removed 1) and now considering 216/217 (removed 1) transitions.
// Phase 1: matrix 216 rows 214 cols
[2025-06-01 00:30:32] [INFO ] Computed 35 invariants in 12 ms
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-01 00:30:33] [INFO ] Implicit Places using invariants in 341 ms returned [140, 162, 168]
[2025-06-01 00:30:33] [INFO ] Actually due to overlaps returned [140]
Discarding 1 places :
Implicit Place search using SMT only with invariants took 359 ms to find 1 implicit places.
Starting structural reductions in REACHABILITY mode, iteration 8 : 213/235 places, 216/223 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 1 place count 213 transition count 216
Applied a total of 1 rules in 6 ms. Remains 213 /213 variables (removed 0) and now considering 216/216 (removed 0) transitions.
// Phase 1: matrix 216 rows 213 cols
[2025-06-01 00:30:33] [INFO ] Computed 34 invariants in 9 ms
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-01 00:30:33] [INFO ] Implicit Places using invariants in 317 ms returned [161, 167]
Discarding 2 places :
Implicit Place search using SMT only with invariants took 318 ms to find 2 implicit places.
Starting structural reductions in REACHABILITY mode, iteration 9 : 211/235 places, 216/223 transitions.
Free-agglomeration rule (complex) applied 1 times.
Iterating global reduction 0 with 1 rules applied. Total rules applied 1 place count 211 transition count 215
Reduce places removed 1 places and 0 transitions.
Iterating post reduction 0 with 1 rules applied. Total rules applied 2 place count 210 transition count 215
Applied a total of 2 rules in 10 ms. Remains 210 /211 variables (removed 1) and now considering 215/216 (removed 1) transitions.
// Phase 1: matrix 215 rows 210 cols
[2025-06-01 00:30:33] [INFO ] Computed 32 invariants in 14 ms
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-01 00:30:33] [INFO ] Implicit Places using invariants in 306 ms returned []
[2025-06-01 00:30:33] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-01 00:30:34] [INFO ] State equation strengthened by 38 read => feed constraints.
[2025-06-01 00:30:36] [INFO ] Implicit Places using invariants and state equation in 2200 ms returned []
Implicit Place search using SMT with State Equation took 2520 ms to find 0 implicit places.
Starting structural reductions in REACHABILITY mode, iteration 10 : 210/235 places, 215/223 transitions.
Finished structural reductions in REACHABILITY mode , in 10 iterations and 7391 ms. Remains : 210/235 places, 215/223 transitions.
RANDOM walk for 40000 steps (5788 resets) in 62 ms. (634 steps per ms) remains 1/1 properties
BEST_FIRST walk for 40003 steps (3677 resets) in 30 ms. (1290 steps per ms) remains 1/1 properties
Interrupted probabilistic random walk after 742672 steps, run timeout after 3001 ms. (steps per millisecond=247 ) properties seen :0 out of 1
Probabilistic random walk after 742672 steps, saw 371438 distinct states, run finished after 3002 ms. (steps per millisecond=247 ) properties seen :0
[2025-06-01 00:30:39] [INFO ] Invariant cache hit.
[2025-06-01 00:30:39] [INFO ] State equation strengthened by 38 read => feed constraints.
Starting Z3 with timeout 75.0 s and query timeout 7500.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/2 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 1 (OVERLAPS) 145/147 variables, 11/11 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/147 variables, 0/11 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (OVERLAPS) 4/151 variables, 1/12 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/151 variables, 0/12 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (OVERLAPS) 54/205 variables, 18/30 constraints. Problems are: Problem set: 0 solved, 1 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 00:30:39] [INFO ] Deduced a trap composed of 4 places in 80 ms of which 6 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 00:30:39] [INFO ] Deduced a trap composed of 7 places in 73 ms of which 6 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 00:30:39] [INFO ] Deduced a trap composed of 9 places in 68 ms of which 6 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 00:30:39] [INFO ] Deduced a trap composed of 10 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 00:30:39] [INFO ] Deduced a trap composed of 10 places in 60 ms of which 6 ms to minimize.
At refinement iteration 6 (INCLUDED_ONLY) 0/205 variables, 5/35 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/205 variables, 0/35 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (OVERLAPS) 215/420 variables, 205/240 constraints. Problems are: Problem set: 0 solved, 1 unsolved
All remaining problems are real, not stopping.
At refinement iteration 9 (INCLUDED_ONLY) 0/420 variables, 38/278 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/420 variables, 0/278 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 11 (OVERLAPS) 5/425 variables, 5/283 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 12 (INCLUDED_ONLY) 0/425 variables, 2/285 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 13 (INCLUDED_ONLY) 0/425 variables, 0/285 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 14 (OVERLAPS) 0/425 variables, 0/285 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Real declared 425/425 variables, and 285 constraints, problems are : Problem set: 0 solved, 1 unsolved in 613 ms.
Refiners :[Positive P Invariants (semi-flows): 14/14 constraints, Generalized P Invariants (flows): 18/18 constraints, State Equation: 210/210 constraints, ReadFeed: 38/38 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 5/5 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 1 unsolved
Starting Z3 with timeout 75.0 s and query timeout 7500.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/2 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 1 (OVERLAPS) 145/147 variables, 11/11 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/147 variables, 0/11 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (OVERLAPS) 4/151 variables, 1/12 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/151 variables, 0/12 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (OVERLAPS) 54/205 variables, 18/30 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/205 variables, 5/35 constraints. Problems are: Problem set: 0 solved, 1 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 00:30:39] [INFO ] Deduced a trap composed of 3 places in 77 ms of which 4 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 00:30:39] [INFO ] Deduced a trap composed of 6 places in 83 ms of which 6 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 00:30:40] [INFO ] Deduced a trap composed of 7 places in 69 ms of which 5 ms to minimize.
At refinement iteration 7 (INCLUDED_ONLY) 0/205 variables, 3/38 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/205 variables, 0/38 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (OVERLAPS) 215/420 variables, 205/243 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/420 variables, 38/281 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/420 variables, 1/282 constraints. Problems are: Problem set: 0 solved, 1 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 00:30:40] [INFO ] Deduced a trap composed of 25 places in 44 ms of which 3 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 00:30:40] [INFO ] Deduced a trap composed of 26 places in 40 ms of which 5 ms to minimize.
At refinement iteration 12 (INCLUDED_ONLY) 0/420 variables, 2/284 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 13 (INCLUDED_ONLY) 0/420 variables, 0/284 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 14 (OVERLAPS) 5/425 variables, 5/289 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 15 (INCLUDED_ONLY) 0/425 variables, 2/291 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 16 (INCLUDED_ONLY) 0/425 variables, 0/291 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 17 (OVERLAPS) 0/425 variables, 0/291 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Int declared 425/425 variables, and 291 constraints, problems are : Problem set: 0 solved, 1 unsolved in 724 ms.
Refiners :[Positive P Invariants (semi-flows): 14/14 constraints, Generalized P Invariants (flows): 18/18 constraints, State Equation: 210/210 constraints, ReadFeed: 38/38 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 10/10 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 1341ms problems are : Problem set: 0 solved, 1 unsolved
Parikh walk visited 0 properties in 760 ms.
Support contains 2 out of 210 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 210/210 places, 215/215 transitions.
Applied a total of 0 rules in 3 ms. Remains 210 /210 variables (removed 0) and now considering 215/215 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 3 ms. Remains : 210/210 places, 215/215 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 210/210 places, 215/215 transitions.
Applied a total of 0 rules in 3 ms. Remains 210 /210 variables (removed 0) and now considering 215/215 (removed 0) transitions.
[2025-06-01 00:30:41] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-01 00:30:41] [INFO ] Implicit Places using invariants in 287 ms returned []
[2025-06-01 00:30:41] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-01 00:30:41] [INFO ] State equation strengthened by 38 read => feed constraints.
[2025-06-01 00:30:43] [INFO ] Implicit Places using invariants and state equation in 2238 ms returned []
Implicit Place search using SMT with State Equation took 2527 ms to find 0 implicit places.
Starting Z3 with timeout 200.0 s and query timeout 20000.0 ms
[2025-06-01 00:30:43] [INFO ] Redundant transitions in 4 ms returned []
Running 214 sub problems to find dead transitions.
[2025-06-01 00:30:43] [INFO ] Invariant cache hit.
[2025-06-01 00:30:43] [INFO ] State equation strengthened by 38 read => feed constraints.
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/209 variables, 2/2 constraints. Problems are: Problem set: 0 solved, 214 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/209 variables, 18/20 constraints. Problems are: Problem set: 0 solved, 214 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/209 variables, 0/20 constraints. Problems are: Problem set: 0 solved, 214 unsolved
At refinement iteration 3 (OVERLAPS) 1/210 variables, 12/32 constraints. Problems are: Problem set: 0 solved, 214 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/210 variables, 0/32 constraints. Problems are: Problem set: 0 solved, 214 unsolved
At refinement iteration 5 (OVERLAPS) 215/425 variables, 210/242 constraints. Problems are: Problem set: 0 solved, 214 unsolved
All remaining problems are real, not stopping.
At refinement iteration 6 (INCLUDED_ONLY) 0/425 variables, 38/280 constraints. Problems are: Problem set: 0 solved, 214 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/425 variables, 0/280 constraints. Problems are: Problem set: 0 solved, 214 unsolved
At refinement iteration 8 (OVERLAPS) 0/425 variables, 0/280 constraints. Problems are: Problem set: 0 solved, 214 unsolved
No progress, stopping.
After SMT solving in domain Real declared 425/425 variables, and 280 constraints, problems are : Problem set: 0 solved, 214 unsolved in 14094 ms.
Refiners :[Positive P Invariants (semi-flows): 14/14 constraints, Generalized P Invariants (flows): 18/18 constraints, State Equation: 210/210 constraints, ReadFeed: 38/38 constraints, PredecessorRefiner: 214/214 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 214 unsolved
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/209 variables, 2/2 constraints. Problems are: Problem set: 0 solved, 214 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/209 variables, 18/20 constraints. Problems are: Problem set: 0 solved, 214 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/209 variables, 0/20 constraints. Problems are: Problem set: 0 solved, 214 unsolved
At refinement iteration 3 (OVERLAPS) 1/210 variables, 12/32 constraints. Problems are: Problem set: 0 solved, 214 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/210 variables, 0/32 constraints. Problems are: Problem set: 0 solved, 214 unsolved
At refinement iteration 5 (OVERLAPS) 215/425 variables, 210/242 constraints. Problems are: Problem set: 0 solved, 214 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/425 variables, 38/280 constraints. Problems are: Problem set: 0 solved, 214 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/425 variables, 214/494 constraints. Problems are: Problem set: 0 solved, 214 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 00:31:11] [INFO ] Deduced a trap composed of 4 places in 90 ms of which 6 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 00:31:12] [INFO ] Deduced a trap composed of 8 places in 67 ms of which 5 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 00:31:13] [INFO ] Deduced a trap composed of 12 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 00:31:13] [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 00:31:13] [INFO ] Deduced a trap composed of 16 places in 66 ms of which 6 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 00:31:13] [INFO ] Deduced a trap composed of 18 places in 55 ms of which 5 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 00:31:13] [INFO ] Deduced a trap composed of 19 places in 55 ms of which 4 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 00:31:13] [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 00:31:13] [INFO ] Deduced a trap composed of 22 places in 49 ms of which 5 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 00:31:13] [INFO ] Deduced a trap composed of 25 places in 46 ms of which 3 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 00:31:13] [INFO ] Deduced a trap composed of 29 places in 46 ms of which 4 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 00:31:14] [INFO ] Deduced a trap composed of 47 places in 102 ms of which 22 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 00:31:14] [INFO ] Deduced a trap composed of 47 places in 96 ms of which 23 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 00:31:14] [INFO ] Deduced a trap composed of 47 places in 98 ms of which 20 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 00:31:14] [INFO ] Deduced a trap composed of 48 places in 102 ms of which 19 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 00:31:14] [INFO ] Deduced a trap composed of 32 places in 36 ms of which 1 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 00:31:16] [INFO ] Deduced a trap composed of 70 places in 90 ms of which 15 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 00:31:16] [INFO ] Deduced a trap composed of 71 places in 83 ms of which 19 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 00:31:17] [INFO ] Deduced a trap composed of 63 places in 96 ms of which 22 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 00:31:17] [INFO ] Deduced a trap composed of 64 places in 87 ms of which 18 ms to minimize.
At refinement iteration 8 (INCLUDED_ONLY) 0/425 variables, 20/514 constraints. Problems are: Problem set: 0 solved, 214 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 00:31:23] [INFO ] Deduced a trap composed of 18 places in 46 ms of which 4 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 00:31:23] [INFO ] Deduced a trap composed of 19 places in 45 ms of which 4 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 00:31:26] [INFO ] Deduced a trap composed of 83 places in 86 ms of which 19 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 00:31:26] [INFO ] Deduced a trap composed of 92 places in 80 ms of which 16 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 00:31:26] [INFO ] Deduced a trap composed of 75 places in 78 ms of which 8 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 00:31:27] [INFO ] Deduced a trap composed of 46 places in 89 ms of which 18 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 00:31:27] [INFO ] Deduced a trap composed of 46 places in 87 ms of which 18 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 00:31:27] [INFO ] Deduced a trap composed of 59 places in 82 ms of which 18 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 00:31:27] [INFO ] Deduced a trap composed of 93 places in 71 ms of which 10 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 00:31:27] [INFO ] Deduced a trap composed of 93 places in 83 ms of which 16 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 00:31:27] [INFO ] Deduced a trap composed of 89 places in 76 ms of which 17 ms to minimize.
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 425/425 variables, and 525 constraints, problems are : Problem set: 0 solved, 214 unsolved in 30028 ms.
Refiners :[Positive P Invariants (semi-flows): 14/14 constraints, Generalized P Invariants (flows): 18/18 constraints, State Equation: 210/210 constraints, ReadFeed: 38/38 constraints, PredecessorRefiner: 214/214 constraints, Known Traps: 31/31 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 44191ms problems are : Problem set: 0 solved, 214 unsolved
Search for dead transitions found 0 dead transitions in 44192ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 46733 ms. Remains : 210/210 places, 215/215 transitions.
Attempting over-approximation, by ignoring read arcs.
Performed 18 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 0 with 18 Pre rules applied. Total rules applied 0 place count 210 transition count 197
Deduced a syphon composed of 18 places in 0 ms
Reduce places removed 18 places and 0 transitions.
Iterating global reduction 0 with 36 rules applied. Total rules applied 36 place count 192 transition count 197
Discarding 8 places :
Symmetric choice reduction at 0 with 8 rule applications. Total rules 44 place count 184 transition count 189
Iterating global reduction 0 with 8 rules applied. Total rules applied 52 place count 184 transition count 189
Performed 1 Post agglomeration using F-continuation condition.Transition count delta: 1
Deduced a syphon composed of 1 places in 1 ms
Reduce places removed 1 places and 0 transitions.
Iterating global reduction 0 with 2 rules applied. Total rules applied 54 place count 183 transition count 188
Free-agglomeration rule (complex) applied 2 times.
Iterating global reduction 0 with 2 rules applied. Total rules applied 56 place count 183 transition count 186
Reduce places removed 2 places and 0 transitions.
Iterating post reduction 0 with 2 rules applied. Total rules applied 58 place count 181 transition count 186
Applied a total of 58 rules in 12 ms. Remains 181 /210 variables (removed 29) and now considering 186/215 (removed 29) transitions.
Running SMT prover for 1 properties.
// Phase 1: matrix 186 rows 181 cols
[2025-06-01 00:31:28] [INFO ] Computed 32 invariants in 15 ms
Starting Z3 with timeout 450.0 s and query timeout 45000.0 ms
[2025-06-01 00:31:28] [INFO ] [Real]Absence check using 11 positive place invariants in 7 ms returned sat
[2025-06-01 00:31:28] [INFO ] [Real]Absence check using 11 positive and 21 generalized place invariants in 8 ms returned sat
[2025-06-01 00:31:28] [INFO ] After 171ms SMT Verify possible using all constraints in real domain returned unsat :0 sat :0 real:1
Starting Z3 with timeout 450.0 s and query timeout 45000.0 ms
[2025-06-01 00:31:28] [INFO ] [Nat]Absence check using 11 positive place invariants in 7 ms returned sat
[2025-06-01 00:31:28] [INFO ] [Nat]Absence check using 11 positive and 21 generalized place invariants in 8 ms returned sat
[2025-06-01 00:31:28] [INFO ] After 99ms SMT Verify possible using state equation in natural domain returned unsat :0 sat :1
[2025-06-01 00:31:28] [INFO ] State equation strengthened by 1 read => feed constraints.
[2025-06-01 00:31:28] [INFO ] After 8ms SMT Verify possible using 1 Read/Feed constraints in natural domain returned unsat :0 sat :1
TRAPS : Iteration 0
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 00:31:28] [INFO ] Deduced a trap composed of 5 places in 64 ms of which 3 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 00:31:28] [INFO ] Deduced a trap composed of 27 places in 37 ms of which 3 ms to minimize.
[2025-06-01 00:31:28] [INFO ] Trap strengthening (SAT) tested/added 3/2 trap constraints in 129 ms
TRAPS : Iteration 1
[2025-06-01 00:31:28] [INFO ] After 163ms SMT Verify possible using trap constraints in natural domain returned unsat :0 sat :1
[2025-06-01 00:31:28] [INFO ] After 340ms SMT Verify possible using all constraints in natural domain returned unsat :0 sat :1
Over-approximation ignoring read arcs solved 0 properties in 552 ms.
Knowledge obtained : [(AND p1 p3 (NOT p2) p0), (X (NOT (AND (NOT p3) p2))), (X (NOT p2)), (X p3), (X (NOT (AND p1 (NOT p3) p2))), (X p0), (X (NOT (AND (NOT p3) (NOT p2)))), (X (NOT (AND (NOT p1) (NOT p3) p2))), (X (NOT (AND p1 (NOT p3) (NOT p2)))), (X (NOT (AND (NOT p1) (NOT p3) (NOT p2)))), (X p1), (X (X (NOT (AND (NOT p3) p2)))), (X (X (NOT p2))), (X (X p3)), (X (X (NOT (AND p1 (NOT p3) p2)))), (X (X (NOT (AND (NOT p3) (NOT p2))))), (X (X (NOT (AND (NOT p1) (NOT p3) p2)))), (X (X (NOT (AND p1 (NOT p3) (NOT p2))))), (X (X (NOT (AND (NOT p1) (NOT p3) (NOT p2))))), (X (X p1))]
False Knowledge obtained : []
Knowledge based reduction with 20 factoid took 106 ms. Reduced automaton from 5 states, 5 edges and 1 AP (stutter sensitive) to 5 states, 5 edges and 1 AP (stutter sensitive).
Stuttering acceptance computed with spot in 158 ms :[(NOT p0), (NOT p0), (NOT p0), (NOT p0), true]
Stuttering acceptance computed with spot in 184 ms :[(NOT p0), (NOT p0), (NOT p0), (NOT p0), true]
Support contains 2 out of 527 places. Attempting structural reductions.
Property had overlarge support with respect to TGBA, discarding it for now.
Starting structural reductions in LTL mode, iteration 0 : 527/527 places, 497/497 transitions.
Applied a total of 0 rules in 14 ms. Remains 527 /527 variables (removed 0) and now considering 497/497 (removed 0) transitions.
// Phase 1: matrix 497 rows 527 cols
[2025-06-01 00:31:29] [INFO ] Computed 49 invariants in 23 ms
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-01 00:31:29] [INFO ] Implicit Places using invariants in 191 ms returned []
[2025-06-01 00:31:29] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-01 00:31:30] [INFO ] Implicit Places using invariants and state equation in 1710 ms returned []
Implicit Place search using SMT with State Equation took 1903 ms to find 0 implicit places.
Running 496 sub problems to find dead transitions.
[2025-06-01 00:31:30] [INFO ] Invariant cache hit.
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/526 variables, 46/46 constraints. Problems are: Problem set: 0 solved, 496 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/526 variables, 0/46 constraints. Problems are: Problem set: 0 solved, 496 unsolved
At refinement iteration 2 (OVERLAPS) 1/527 variables, 2/48 constraints. Problems are: Problem set: 0 solved, 496 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/527 variables, 1/49 constraints. Problems are: Problem set: 0 solved, 496 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 00:31:49] [INFO ] Deduced a trap composed of 7 places in 33 ms of which 3 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 00:31:50] [INFO ] Deduced a trap composed of 8 places in 26 ms of which 2 ms to minimize.
At refinement iteration 4 (INCLUDED_ONLY) 0/527 variables, 2/51 constraints. Problems are: Problem set: 0 solved, 496 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/527 variables, 0/51 constraints. Problems are: Problem set: 0 solved, 496 unsolved
Error getting values : (error "ParserException while parsing response: (timeout
org.smtlib.IParser$ParserException: Unbalanced parentheses at end of input")
At refinement iteration 6 (OVERLAPS) 497/1024 variables, 527/578 constraints. Problems are: Problem set: 0 solved, 496 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Real declared 1024/1024 variables, and 578 constraints, problems are : Problem set: 0 solved, 496 unsolved in 30018 ms.
Refiners :[Positive P Invariants (semi-flows): 2/2 constraints, Generalized P Invariants (flows): 47/47 constraints, State Equation: 527/527 constraints, PredecessorRefiner: 496/496 constraints, Known Traps: 2/2 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 496 unsolved
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/526 variables, 46/46 constraints. Problems are: Problem set: 0 solved, 496 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/526 variables, 0/46 constraints. Problems are: Problem set: 0 solved, 496 unsolved
At refinement iteration 2 (OVERLAPS) 1/527 variables, 2/48 constraints. Problems are: Problem set: 0 solved, 496 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/527 variables, 1/49 constraints. Problems are: Problem set: 0 solved, 496 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/527 variables, 2/51 constraints. Problems are: Problem set: 0 solved, 496 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/527 variables, 0/51 constraints. Problems are: Problem set: 0 solved, 496 unsolved
At refinement iteration 6 (OVERLAPS) 497/1024 variables, 527/578 constraints. Problems are: Problem set: 0 solved, 496 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/1024 variables, 496/1074 constraints. Problems are: Problem set: 0 solved, 496 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 1024/1024 variables, and 1074 constraints, problems are : Problem set: 0 solved, 496 unsolved in 30021 ms.
Refiners :[Positive P Invariants (semi-flows): 2/2 constraints, Generalized P Invariants (flows): 47/47 constraints, State Equation: 527/527 constraints, PredecessorRefiner: 496/496 constraints, Known Traps: 2/2 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 60087ms problems are : Problem set: 0 solved, 496 unsolved
Search for dead transitions found 0 dead transitions in 60090ms
Finished structural reductions in LTL mode , in 1 iterations and 62010 ms. Remains : 527/527 places, 497/497 transitions.
Computed a total of 7 stabilizing places and 7 stable transitions
Graph (complete) has 895 edges and 527 vertex of which 525 are kept as prefixes of interest. Removing 2 places using SCC suffix rule.3 ms
Computed a total of 7 stabilizing places and 7 stable transitions
Knowledge obtained : [p0]
False Knowledge obtained : []
Knowledge based reduction with 1 factoid took 77 ms. Reduced automaton from 5 states, 5 edges and 1 AP (stutter sensitive) to 5 states, 5 edges and 1 AP (stutter sensitive).
Stuttering acceptance computed with spot in 147 ms :[(NOT p0), (NOT p0), (NOT p0), (NOT p0), true]
RANDOM walk for 40000 steps (1345 resets) in 56 ms. (701 steps per ms) remains 1/1 properties
BEST_FIRST walk for 40000 steps (1160 resets) in 39 ms. (1000 steps per ms) remains 1/1 properties
Interrupted probabilistic random walk after 446746 steps, run timeout after 3001 ms. (steps per millisecond=148 ) properties seen :0 out of 1
Probabilistic random walk after 446746 steps, saw 223405 distinct states, run finished after 3002 ms. (steps per millisecond=148 ) properties seen :0
[2025-06-01 00:32:34] [INFO ] Invariant cache hit.
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/2 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 1 (OVERLAPS) 48/50 variables, 3/3 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/50 variables, 0/3 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (OVERLAPS) 103/153 variables, 12/15 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/153 variables, 0/15 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (OVERLAPS) 63/216 variables, 7/22 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/216 variables, 0/22 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (OVERLAPS) 47/263 variables, 5/27 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/263 variables, 0/27 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (OVERLAPS) 47/310 variables, 5/32 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/310 variables, 0/32 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 11 (OVERLAPS) 59/369 variables, 5/37 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 12 (INCLUDED_ONLY) 0/369 variables, 0/37 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 13 (OVERLAPS) 73/442 variables, 8/45 constraints. Problems are: Problem set: 0 solved, 1 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 00:32:34] [INFO ] Deduced a trap composed of 16 places in 112 ms of which 7 ms to minimize.
At refinement iteration 14 (INCLUDED_ONLY) 0/442 variables, 1/46 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 15 (INCLUDED_ONLY) 0/442 variables, 0/46 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 16 (OVERLAPS) 6/448 variables, 2/48 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 17 (INCLUDED_ONLY) 0/448 variables, 0/48 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 18 (OVERLAPS) 2/450 variables, 2/50 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 19 (INCLUDED_ONLY) 0/450 variables, 0/50 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 20 (OVERLAPS) 471/921 variables, 450/500 constraints. Problems are: Problem set: 0 solved, 1 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 00:32:34] [INFO ] Deduced a trap along path composed of 17 places in 53 ms of which 1 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 00:32:34] [INFO ] Deduced a trap along path composed of 17 places in 51 ms of which 1 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 00:32:34] [INFO ] Deduced a trap along path composed of 17 places in 51 ms of which 1 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 00:32:35] [INFO ] Deduced a trap along path composed of 17 places in 56 ms of which 1 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 00:32:35] [INFO ] Deduced a trap along path composed of 16 places in 46 ms of which 1 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 00:32:35] [INFO ] Deduced a trap along path composed of 13 places in 45 ms of which 1 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 00:32:35] [INFO ] Deduced a trap along path composed of 17 places in 38 ms of which 1 ms to minimize.
At refinement iteration 21 (INCLUDED_ONLY) 0/921 variables, 7/507 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 22 (INCLUDED_ONLY) 0/921 variables, 0/507 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 23 (OVERLAPS) 89/1010 variables, 69/576 constraints. Problems are: Problem set: 0 solved, 1 unsolved
All remaining problems are real, not stopping.
At refinement iteration 24 (INCLUDED_ONLY) 0/1010 variables, 0/576 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 25 (OVERLAPS) 8/1018 variables, 4/580 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 26 (INCLUDED_ONLY) 0/1018 variables, 0/580 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 27 (OVERLAPS) 5/1023 variables, 3/583 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 28 (INCLUDED_ONLY) 0/1023 variables, 0/583 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 29 (OVERLAPS) 1/1024 variables, 1/584 constraints. Problems are: Problem set: 0 solved, 1 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 00:32:35] [INFO ] Deduced a trap composed of 121 places in 72 ms of which 9 ms to minimize.
At refinement iteration 30 (INCLUDED_ONLY) 0/1024 variables, 1/585 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 31 (INCLUDED_ONLY) 0/1024 variables, 0/585 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 32 (OVERLAPS) 0/1024 variables, 0/585 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Real declared 1024/1024 variables, and 585 constraints, problems are : Problem set: 0 solved, 1 unsolved in 1465 ms.
Refiners :[Positive P Invariants (semi-flows): 2/2 constraints, Generalized P Invariants (flows): 47/47 constraints, State Equation: 527/527 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 2/2 constraints, Known Traps Along Path: 7/7 constraints]
Escalating to Integer solving :Problem set: 0 solved, 1 unsolved
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/2 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 1 (OVERLAPS) 48/50 variables, 3/3 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/50 variables, 0/3 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (OVERLAPS) 103/153 variables, 12/15 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/153 variables, 0/15 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (OVERLAPS) 63/216 variables, 7/22 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/216 variables, 0/22 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (OVERLAPS) 47/263 variables, 5/27 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/263 variables, 0/27 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (OVERLAPS) 47/310 variables, 5/32 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/310 variables, 0/32 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 11 (OVERLAPS) 59/369 variables, 5/37 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 12 (INCLUDED_ONLY) 0/369 variables, 0/37 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 13 (OVERLAPS) 73/442 variables, 8/45 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 14 (INCLUDED_ONLY) 0/442 variables, 1/46 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 15 (INCLUDED_ONLY) 0/442 variables, 0/46 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 16 (OVERLAPS) 6/448 variables, 2/48 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 17 (INCLUDED_ONLY) 0/448 variables, 0/48 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 18 (OVERLAPS) 2/450 variables, 2/50 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 19 (INCLUDED_ONLY) 0/450 variables, 0/50 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 20 (OVERLAPS) 471/921 variables, 450/500 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 21 (INCLUDED_ONLY) 0/921 variables, 7/507 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 22 (INCLUDED_ONLY) 0/921 variables, 0/507 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 23 (OVERLAPS) 89/1010 variables, 69/576 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 24 (INCLUDED_ONLY) 0/1010 variables, 1/577 constraints. Problems are: Problem set: 0 solved, 1 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 00:32:36] [INFO ] Deduced a trap along path composed of 5 places in 77 ms of which 1 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 00:32:36] [INFO ] Deduced a trap along path composed of 5 places in 64 ms of which 1 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 00:32:36] [INFO ] Deduced a trap along path composed of 17 places in 59 ms of which 2 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 00:32:37] [INFO ] Deduced a trap along path composed of 16 places in 59 ms of which 1 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 00:32:37] [INFO ] Deduced a trap along path composed of 17 places in 55 ms of which 1 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 00:32:37] [INFO ] Deduced a trap along path composed of 16 places in 57 ms of which 1 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 00:32:37] [INFO ] Deduced a trap along path composed of 16 places in 54 ms of which 1 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 00:32:37] [INFO ] Deduced a trap along path composed of 16 places in 52 ms of which 1 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 00:32:38] [INFO ] Deduced a trap along path composed of 23 places in 67 ms of which 1 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 00:32:38] [INFO ] Deduced a trap along path composed of 16 places in 74 ms of which 2 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 00:32:39] [INFO ] Deduced a trap along path composed of 16 places in 65 ms of which 1 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 00:32:39] [INFO ] Deduced a trap along path composed of 17 places in 69 ms of which 1 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 00:32:39] [INFO ] Deduced a trap along path composed of 16 places in 81 ms of which 2 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 00:32:40] [INFO ] Deduced a trap along path composed of 24 places in 54 ms of which 2 ms to minimize.
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 1010/1024 variables, and 591 constraints, problems are : Problem set: 0 solved, 1 unsolved in 4882 ms.
Refiners :[Positive P Invariants (semi-flows): 2/2 constraints, Generalized P Invariants (flows): 47/47 constraints, State Equation: 519/527 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 1/2 constraints, Known Traps Along Path: 21/21 constraints]
After SMT, in 6354ms problems are : Problem set: 0 solved, 1 unsolved
Parikh walk visited 0 properties in 631 ms.
Support contains 2 out of 527 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 527/527 places, 497/497 transitions.
Graph (complete) has 895 edges and 527 vertex of which 525 are kept as prefixes of interest. Removing 2 places using SCC suffix rule.0 ms
Discarding 2 places :
Also discarding 1 output transitions
Drop transitions (Output transitions of discarded places.) removed 1 transitions
Drop transitions (Empty/Sink Transition effects.) removed 1 transitions
Reduce isomorphic transitions removed 1 transitions.
Drop transitions (Trivial Post-Agglo cleanup.) removed 120 transitions
Trivial Post-agglo rules discarded 120 transitions
Performed 120 trivial Post agglomeration. Transition count delta: 120
Iterating post reduction 0 with 121 rules applied. Total rules applied 122 place count 525 transition count 375
Reduce places removed 120 places and 0 transitions.
Performed 2 Post agglomeration using F-continuation condition.Transition count delta: 2
Iterating post reduction 1 with 122 rules applied. Total rules applied 244 place count 405 transition count 373
Reduce places removed 2 places and 0 transitions.
Iterating post reduction 2 with 2 rules applied. Total rules applied 246 place count 403 transition count 373
Performed 21 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 3 with 21 Pre rules applied. Total rules applied 246 place count 403 transition count 352
Deduced a syphon composed of 21 places in 2 ms
Reduce places removed 21 places and 0 transitions.
Iterating global reduction 3 with 42 rules applied. Total rules applied 288 place count 382 transition count 352
Performed 92 Post agglomeration using F-continuation condition.Transition count delta: 92
Deduced a syphon composed of 92 places in 0 ms
Reduce places removed 92 places and 0 transitions.
Iterating global reduction 3 with 184 rules applied. Total rules applied 472 place count 290 transition count 260
Performed 18 Post agglomeration using F-continuation condition.Transition count delta: 0
Deduced a syphon composed of 18 places in 1 ms
Reduce places removed 18 places and 0 transitions.
Iterating global reduction 3 with 36 rules applied. Total rules applied 508 place count 272 transition count 260
Free-agglomeration rule (complex) applied 36 times.
Iterating global reduction 3 with 36 rules applied. Total rules applied 544 place count 272 transition count 224
Reduce places removed 36 places and 0 transitions.
Iterating post reduction 3 with 36 rules applied. Total rules applied 580 place count 236 transition count 224
Partial Free-agglomeration rule applied 39 times.
Drop transitions (Partial Free agglomeration) removed 39 transitions
Iterating global reduction 4 with 39 rules applied. Total rules applied 619 place count 236 transition count 224
Reduce places removed 1 places and 1 transitions.
Iterating global reduction 4 with 1 rules applied. Total rules applied 620 place count 235 transition count 223
Applied a total of 620 rules in 33 ms. Remains 235 /527 variables (removed 292) and now considering 223/497 (removed 274) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 33 ms. Remains : 235/527 places, 223/497 transitions.
RANDOM walk for 40000 steps (5107 resets) in 70 ms. (563 steps per ms) remains 1/1 properties
BEST_FIRST walk for 40001 steps (3436 resets) in 45 ms. (869 steps per ms) remains 1/1 properties
Interrupted probabilistic random walk after 683688 steps, run timeout after 3001 ms. (steps per millisecond=227 ) properties seen :0 out of 1
Probabilistic random walk after 683688 steps, saw 342081 distinct states, run finished after 3001 ms. (steps per millisecond=227 ) properties seen :0
// Phase 1: matrix 223 rows 235 cols
[2025-06-01 00:32:44] [INFO ] Computed 49 invariants in 20 ms
[2025-06-01 00:32:44] [INFO ] State equation strengthened by 38 read => feed constraints.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/2 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 1 (OVERLAPS) 132/134 variables, 2/2 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/134 variables, 0/2 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (OVERLAPS) 7/141 variables, 1/3 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/141 variables, 0/3 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (OVERLAPS) 89/230 variables, 44/47 constraints. Problems are: Problem set: 0 solved, 1 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 00:32:44] [INFO ] Deduced a trap composed of 4 places in 89 ms of which 6 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 00:32:44] [INFO ] Deduced a trap composed of 7 places in 78 ms of which 6 ms to minimize.
At refinement iteration 6 (INCLUDED_ONLY) 0/230 variables, 2/49 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/230 variables, 0/49 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (OVERLAPS) 223/453 variables, 230/279 constraints. Problems are: Problem set: 0 solved, 1 unsolved
All remaining problems are real, not stopping.
At refinement iteration 9 (INCLUDED_ONLY) 0/453 variables, 38/317 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/453 variables, 0/317 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 11 (OVERLAPS) 5/458 variables, 5/322 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 12 (INCLUDED_ONLY) 0/458 variables, 2/324 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 13 (INCLUDED_ONLY) 0/458 variables, 0/324 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 14 (OVERLAPS) 0/458 variables, 0/324 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Real declared 458/458 variables, and 324 constraints, problems are : Problem set: 0 solved, 1 unsolved in 451 ms.
Refiners :[Positive P Invariants (semi-flows): 5/5 constraints, Generalized P Invariants (flows): 44/44 constraints, State Equation: 235/235 constraints, ReadFeed: 38/38 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 2/2 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 1 unsolved
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/2 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 1 (OVERLAPS) 132/134 variables, 2/2 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/134 variables, 0/2 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (OVERLAPS) 7/141 variables, 1/3 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/141 variables, 0/3 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (OVERLAPS) 89/230 variables, 44/47 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/230 variables, 2/49 constraints. Problems are: Problem set: 0 solved, 1 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 00:32:44] [INFO ] Deduced a trap composed of 6 places in 82 ms of which 7 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 00:32:45] [INFO ] Deduced a trap composed of 8 places in 83 ms of which 7 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 00:32:45] [INFO ] Deduced a trap composed of 9 places in 78 ms of which 6 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 00:32:45] [INFO ] Deduced a trap composed of 10 places in 72 ms of which 5 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 00:32:45] [INFO ] Deduced a trap composed of 13 places in 73 ms of which 7 ms to minimize.
At refinement iteration 7 (INCLUDED_ONLY) 0/230 variables, 5/54 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/230 variables, 0/54 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (OVERLAPS) 223/453 variables, 230/284 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/453 variables, 38/322 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/453 variables, 1/323 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 12 (INCLUDED_ONLY) 0/453 variables, 0/323 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 13 (OVERLAPS) 5/458 variables, 5/328 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 14 (INCLUDED_ONLY) 0/458 variables, 2/330 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 15 (INCLUDED_ONLY) 0/458 variables, 0/330 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 16 (OVERLAPS) 0/458 variables, 0/330 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Int declared 458/458 variables, and 330 constraints, problems are : Problem set: 0 solved, 1 unsolved in 795 ms.
Refiners :[Positive P Invariants (semi-flows): 5/5 constraints, Generalized P Invariants (flows): 44/44 constraints, State Equation: 235/235 constraints, ReadFeed: 38/38 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 7/7 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 1273ms problems are : Problem set: 0 solved, 1 unsolved
Parikh walk visited 0 properties in 918 ms.
Support contains 2 out of 235 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 235/235 places, 223/223 transitions.
Applied a total of 0 rules in 4 ms. Remains 235 /235 variables (removed 0) and now considering 223/223 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 4 ms. Remains : 235/235 places, 223/223 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 235/235 places, 223/223 transitions.
Applied a total of 0 rules in 4 ms. Remains 235 /235 variables (removed 0) and now considering 223/223 (removed 0) transitions.
[2025-06-01 00:32:46] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-01 00:32:47] [INFO ] Implicit Places using invariants in 881 ms returned [20, 26, 46, 51, 72, 77, 97, 103, 124, 129, 130, 156, 178, 184, 192, 226, 232]
[2025-06-01 00:32:47] [INFO ] Actually due to overlaps returned [192, 129]
Discarding 2 places :
Implicit Place search using SMT only with invariants took 885 ms to find 2 implicit places.
Starting structural reductions in REACHABILITY mode, iteration 1 : 233/235 places, 223/223 transitions.
Free-agglomeration rule (complex) applied 1 times.
Iterating global reduction 0 with 1 rules applied. Total rules applied 1 place count 233 transition count 222
Reduce places removed 1 places and 0 transitions.
Iterating post reduction 0 with 1 rules applied. Total rules applied 2 place count 232 transition count 222
Applied a total of 2 rules in 10 ms. Remains 232 /233 variables (removed 1) and now considering 222/223 (removed 1) transitions.
// Phase 1: matrix 222 rows 232 cols
[2025-06-01 00:32:47] [INFO ] Computed 47 invariants in 11 ms
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-01 00:32:48] [INFO ] Implicit Places using invariants in 743 ms returned [20, 26, 46, 51, 72, 77, 97, 103, 124, 129, 155, 177, 183, 223, 229]
[2025-06-01 00:32:48] [INFO ] Actually due to overlaps returned [229, 223]
Discarding 2 places :
Implicit Place search using SMT only with invariants took 746 ms to find 2 implicit places.
Starting structural reductions in REACHABILITY mode, iteration 2 : 230/235 places, 222/223 transitions.
Free-agglomeration rule (complex) applied 1 times.
Iterating global reduction 0 with 1 rules applied. Total rules applied 1 place count 230 transition count 221
Reduce places removed 1 places and 0 transitions.
Iterating post reduction 0 with 1 rules applied. Total rules applied 2 place count 229 transition count 221
Applied a total of 2 rules in 12 ms. Remains 229 /230 variables (removed 1) and now considering 221/222 (removed 1) transitions.
// Phase 1: matrix 221 rows 229 cols
[2025-06-01 00:32:48] [INFO ] Computed 45 invariants in 13 ms
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-01 00:32:48] [INFO ] Implicit Places using invariants in 622 ms returned [20, 26, 46, 51, 72, 77, 97, 103, 124, 129, 155, 177, 183]
[2025-06-01 00:32:48] [INFO ] Actually due to overlaps returned [26, 20]
Discarding 2 places :
Implicit Place search using SMT only with invariants took 624 ms to find 2 implicit places.
Starting structural reductions in REACHABILITY mode, iteration 3 : 227/235 places, 221/223 transitions.
Free-agglomeration rule (complex) applied 1 times.
Iterating global reduction 0 with 1 rules applied. Total rules applied 1 place count 227 transition count 220
Reduce places removed 1 places and 0 transitions.
Iterating post reduction 0 with 1 rules applied. Total rules applied 2 place count 226 transition count 220
Applied a total of 2 rules in 11 ms. Remains 226 /227 variables (removed 1) and now considering 220/221 (removed 1) transitions.
// Phase 1: matrix 220 rows 226 cols
[2025-06-01 00:32:48] [INFO ] Computed 43 invariants in 17 ms
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-01 00:32:49] [INFO ] Implicit Places using invariants in 548 ms returned [43, 48, 69, 74, 94, 100, 121, 126, 152, 174, 180]
[2025-06-01 00:32:49] [INFO ] Actually due to overlaps returned [48, 43]
Discarding 2 places :
Implicit Place search using SMT only with invariants took 550 ms to find 2 implicit places.
Starting structural reductions in REACHABILITY mode, iteration 4 : 224/235 places, 220/223 transitions.
Free-agglomeration rule (complex) applied 1 times.
Iterating global reduction 0 with 1 rules applied. Total rules applied 1 place count 224 transition count 219
Reduce places removed 1 places and 0 transitions.
Iterating post reduction 0 with 1 rules applied. Total rules applied 2 place count 223 transition count 219
Applied a total of 2 rules in 8 ms. Remains 223 /224 variables (removed 1) and now considering 219/220 (removed 1) transitions.
// Phase 1: matrix 219 rows 223 cols
[2025-06-01 00:32:49] [INFO ] Computed 41 invariants in 15 ms
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-01 00:32:49] [INFO ] Implicit Places using invariants in 459 ms returned [66, 71, 91, 97, 118, 123, 149, 171, 177]
[2025-06-01 00:32:49] [INFO ] Actually due to overlaps returned [71, 66]
Discarding 2 places :
Implicit Place search using SMT only with invariants took 461 ms to find 2 implicit places.
Starting structural reductions in REACHABILITY mode, iteration 5 : 221/235 places, 219/223 transitions.
Free-agglomeration rule (complex) applied 1 times.
Iterating global reduction 0 with 1 rules applied. Total rules applied 1 place count 221 transition count 218
Reduce places removed 1 places and 0 transitions.
Iterating post reduction 0 with 1 rules applied. Total rules applied 2 place count 220 transition count 218
Applied a total of 2 rules in 10 ms. Remains 220 /221 variables (removed 1) and now considering 218/219 (removed 1) transitions.
// Phase 1: matrix 218 rows 220 cols
[2025-06-01 00:32:49] [INFO ] Computed 39 invariants in 12 ms
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-01 00:32:50] [INFO ] Implicit Places using invariants in 446 ms returned [88, 94, 115, 120, 146, 168, 174]
[2025-06-01 00:32:50] [INFO ] Actually due to overlaps returned [94, 88]
Discarding 2 places :
Implicit Place search using SMT only with invariants took 450 ms to find 2 implicit places.
Starting structural reductions in REACHABILITY mode, iteration 6 : 218/235 places, 218/223 transitions.
Free-agglomeration rule (complex) applied 1 times.
Iterating global reduction 0 with 1 rules applied. Total rules applied 1 place count 218 transition count 217
Reduce places removed 1 places and 0 transitions.
Iterating post reduction 0 with 1 rules applied. Total rules applied 2 place count 217 transition count 217
Applied a total of 2 rules in 13 ms. Remains 217 /218 variables (removed 1) and now considering 217/218 (removed 1) transitions.
// Phase 1: matrix 217 rows 217 cols
[2025-06-01 00:32:50] [INFO ] Computed 37 invariants in 10 ms
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-01 00:32:50] [INFO ] Implicit Places using invariants in 353 ms returned [112, 117, 143, 165, 171]
[2025-06-01 00:32:50] [INFO ] Actually due to overlaps returned [117, 112]
Discarding 2 places :
Implicit Place search using SMT only with invariants took 354 ms to find 2 implicit places.
Starting structural reductions in REACHABILITY mode, iteration 7 : 215/235 places, 217/223 transitions.
Free-agglomeration rule (complex) applied 1 times.
Iterating global reduction 0 with 1 rules applied. Total rules applied 1 place count 215 transition count 216
Reduce places removed 1 places and 0 transitions.
Iterating post reduction 0 with 1 rules applied. Total rules applied 2 place count 214 transition count 216
Applied a total of 2 rules in 11 ms. Remains 214 /215 variables (removed 1) and now considering 216/217 (removed 1) transitions.
// Phase 1: matrix 216 rows 214 cols
[2025-06-01 00:32:50] [INFO ] Computed 35 invariants in 16 ms
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-01 00:32:51] [INFO ] Implicit Places using invariants in 353 ms returned [140, 162, 168]
[2025-06-01 00:32:51] [INFO ] Actually due to overlaps returned [140]
Discarding 1 places :
Implicit Place search using SMT only with invariants took 355 ms to find 1 implicit places.
Starting structural reductions in REACHABILITY mode, iteration 8 : 213/235 places, 216/223 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 1 place count 213 transition count 216
Applied a total of 1 rules in 11 ms. Remains 213 /213 variables (removed 0) and now considering 216/216 (removed 0) transitions.
// Phase 1: matrix 216 rows 213 cols
[2025-06-01 00:32:51] [INFO ] Computed 34 invariants in 12 ms
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-01 00:32:51] [INFO ] Implicit Places using invariants in 333 ms returned [161, 167]
Discarding 2 places :
Implicit Place search using SMT only with invariants took 334 ms to find 2 implicit places.
Starting structural reductions in REACHABILITY mode, iteration 9 : 211/235 places, 216/223 transitions.
Free-agglomeration rule (complex) applied 1 times.
Iterating global reduction 0 with 1 rules applied. Total rules applied 1 place count 211 transition count 215
Reduce places removed 1 places and 0 transitions.
Iterating post reduction 0 with 1 rules applied. Total rules applied 2 place count 210 transition count 215
Applied a total of 2 rules in 7 ms. Remains 210 /211 variables (removed 1) and now considering 215/216 (removed 1) transitions.
// Phase 1: matrix 215 rows 210 cols
[2025-06-01 00:32:51] [INFO ] Computed 32 invariants in 16 ms
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-01 00:32:51] [INFO ] Implicit Places using invariants in 290 ms returned []
[2025-06-01 00:32:51] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-01 00:32:51] [INFO ] State equation strengthened by 38 read => feed constraints.
[2025-06-01 00:32:53] [INFO ] Implicit Places using invariants and state equation in 2271 ms returned []
Implicit Place search using SMT with State Equation took 2563 ms to find 0 implicit places.
Starting structural reductions in REACHABILITY mode, iteration 10 : 210/235 places, 215/223 transitions.
Finished structural reductions in REACHABILITY mode , in 10 iterations and 7427 ms. Remains : 210/235 places, 215/223 transitions.
RANDOM walk for 40000 steps (5738 resets) in 52 ms. (754 steps per ms) remains 1/1 properties
BEST_FIRST walk for 40003 steps (3668 resets) in 30 ms. (1290 steps per ms) remains 1/1 properties
Interrupted probabilistic random walk after 744603 steps, run timeout after 3001 ms. (steps per millisecond=248 ) properties seen :0 out of 1
Probabilistic random walk after 744603 steps, saw 372406 distinct states, run finished after 3001 ms. (steps per millisecond=248 ) properties seen :0
[2025-06-01 00:32:57] [INFO ] Invariant cache hit.
[2025-06-01 00:32:57] [INFO ] State equation strengthened by 38 read => feed constraints.
Starting Z3 with timeout 75.0 s and query timeout 7500.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/2 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 1 (OVERLAPS) 145/147 variables, 11/11 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/147 variables, 0/11 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (OVERLAPS) 4/151 variables, 1/12 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/151 variables, 0/12 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (OVERLAPS) 54/205 variables, 18/30 constraints. Problems are: Problem set: 0 solved, 1 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 00:32:57] [INFO ] Deduced a trap composed of 4 places in 92 ms of which 5 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 00:32:57] [INFO ] Deduced a trap composed of 7 places in 83 ms of which 6 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 00:32:57] [INFO ] Deduced a trap composed of 9 places in 85 ms of which 6 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 00:32:57] [INFO ] Deduced a trap composed of 10 places in 71 ms of which 6 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 00:32:57] [INFO ] Deduced a trap composed of 10 places in 69 ms of which 6 ms to minimize.
At refinement iteration 6 (INCLUDED_ONLY) 0/205 variables, 5/35 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/205 variables, 0/35 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (OVERLAPS) 215/420 variables, 205/240 constraints. Problems are: Problem set: 0 solved, 1 unsolved
All remaining problems are real, not stopping.
At refinement iteration 9 (INCLUDED_ONLY) 0/420 variables, 38/278 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/420 variables, 0/278 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 11 (OVERLAPS) 5/425 variables, 5/283 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 12 (INCLUDED_ONLY) 0/425 variables, 2/285 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 13 (INCLUDED_ONLY) 0/425 variables, 0/285 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 14 (OVERLAPS) 0/425 variables, 0/285 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Real declared 425/425 variables, and 285 constraints, problems are : Problem set: 0 solved, 1 unsolved in 678 ms.
Refiners :[Positive P Invariants (semi-flows): 14/14 constraints, Generalized P Invariants (flows): 18/18 constraints, State Equation: 210/210 constraints, ReadFeed: 38/38 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 5/5 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 1 unsolved
Starting Z3 with timeout 75.0 s and query timeout 7500.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/2 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 1 (OVERLAPS) 145/147 variables, 11/11 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/147 variables, 0/11 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (OVERLAPS) 4/151 variables, 1/12 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/151 variables, 0/12 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (OVERLAPS) 54/205 variables, 18/30 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/205 variables, 5/35 constraints. Problems are: Problem set: 0 solved, 1 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 00:32:57] [INFO ] Deduced a trap composed of 3 places in 89 ms of which 4 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 00:32:57] [INFO ] Deduced a trap composed of 6 places in 75 ms of which 6 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 00:32:58] [INFO ] Deduced a trap composed of 7 places in 73 ms of which 6 ms to minimize.
At refinement iteration 7 (INCLUDED_ONLY) 0/205 variables, 3/38 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/205 variables, 0/38 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (OVERLAPS) 215/420 variables, 205/243 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/420 variables, 38/281 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/420 variables, 1/282 constraints. Problems are: Problem set: 0 solved, 1 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 00:32:58] [INFO ] Deduced a trap composed of 25 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 00:32:58] [INFO ] Deduced a trap composed of 26 places in 46 ms of which 4 ms to minimize.
At refinement iteration 12 (INCLUDED_ONLY) 0/420 variables, 2/284 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 13 (INCLUDED_ONLY) 0/420 variables, 0/284 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 14 (OVERLAPS) 5/425 variables, 5/289 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 15 (INCLUDED_ONLY) 0/425 variables, 2/291 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 16 (INCLUDED_ONLY) 0/425 variables, 0/291 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 17 (OVERLAPS) 0/425 variables, 0/291 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Int declared 425/425 variables, and 291 constraints, problems are : Problem set: 0 solved, 1 unsolved in 770 ms.
Refiners :[Positive P Invariants (semi-flows): 14/14 constraints, Generalized P Invariants (flows): 18/18 constraints, State Equation: 210/210 constraints, ReadFeed: 38/38 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 10/10 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 1452ms problems are : Problem set: 0 solved, 1 unsolved
Parikh walk visited 0 properties in 776 ms.
Support contains 2 out of 210 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 210/210 places, 215/215 transitions.
Applied a total of 0 rules in 3 ms. Remains 210 /210 variables (removed 0) and now considering 215/215 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 3 ms. Remains : 210/210 places, 215/215 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 210/210 places, 215/215 transitions.
Applied a total of 0 rules in 3 ms. Remains 210 /210 variables (removed 0) and now considering 215/215 (removed 0) transitions.
[2025-06-01 00:32:59] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-01 00:32:59] [INFO ] Implicit Places using invariants in 298 ms returned []
[2025-06-01 00:32:59] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-01 00:32:59] [INFO ] State equation strengthened by 38 read => feed constraints.
[2025-06-01 00:33:01] [INFO ] Implicit Places using invariants and state equation in 2274 ms returned []
Implicit Place search using SMT with State Equation took 2573 ms to find 0 implicit places.
Starting Z3 with timeout 200.0 s and query timeout 20000.0 ms
[2025-06-01 00:33:01] [INFO ] Redundant transitions in 3 ms returned []
Running 214 sub problems to find dead transitions.
[2025-06-01 00:33:01] [INFO ] Invariant cache hit.
[2025-06-01 00:33:01] [INFO ] State equation strengthened by 38 read => feed constraints.
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/209 variables, 2/2 constraints. Problems are: Problem set: 0 solved, 214 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/209 variables, 18/20 constraints. Problems are: Problem set: 0 solved, 214 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/209 variables, 0/20 constraints. Problems are: Problem set: 0 solved, 214 unsolved
At refinement iteration 3 (OVERLAPS) 1/210 variables, 12/32 constraints. Problems are: Problem set: 0 solved, 214 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/210 variables, 0/32 constraints. Problems are: Problem set: 0 solved, 214 unsolved
At refinement iteration 5 (OVERLAPS) 215/425 variables, 210/242 constraints. Problems are: Problem set: 0 solved, 214 unsolved
All remaining problems are real, not stopping.
At refinement iteration 6 (INCLUDED_ONLY) 0/425 variables, 38/280 constraints. Problems are: Problem set: 0 solved, 214 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/425 variables, 0/280 constraints. Problems are: Problem set: 0 solved, 214 unsolved
At refinement iteration 8 (OVERLAPS) 0/425 variables, 0/280 constraints. Problems are: Problem set: 0 solved, 214 unsolved
No progress, stopping.
After SMT solving in domain Real declared 425/425 variables, and 280 constraints, problems are : Problem set: 0 solved, 214 unsolved in 14369 ms.
Refiners :[Positive P Invariants (semi-flows): 14/14 constraints, Generalized P Invariants (flows): 18/18 constraints, State Equation: 210/210 constraints, ReadFeed: 38/38 constraints, PredecessorRefiner: 214/214 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 214 unsolved
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/209 variables, 2/2 constraints. Problems are: Problem set: 0 solved, 214 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/209 variables, 18/20 constraints. Problems are: Problem set: 0 solved, 214 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/209 variables, 0/20 constraints. Problems are: Problem set: 0 solved, 214 unsolved
At refinement iteration 3 (OVERLAPS) 1/210 variables, 12/32 constraints. Problems are: Problem set: 0 solved, 214 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/210 variables, 0/32 constraints. Problems are: Problem set: 0 solved, 214 unsolved
At refinement iteration 5 (OVERLAPS) 215/425 variables, 210/242 constraints. Problems are: Problem set: 0 solved, 214 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/425 variables, 38/280 constraints. Problems are: Problem set: 0 solved, 214 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/425 variables, 214/494 constraints. Problems are: Problem set: 0 solved, 214 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 00:33:29] [INFO ] Deduced a trap composed of 4 places in 85 ms of which 5 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 00:33:30] [INFO ] Deduced a trap composed of 8 places in 67 ms of which 5 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 00:33:31] [INFO ] Deduced a trap composed of 12 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 00:33:31] [INFO ] Deduced a trap composed of 15 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 00:33:31] [INFO ] Deduced a trap composed of 16 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 00:33:31] [INFO ] Deduced a trap composed of 18 places in 51 ms of which 5 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 00:33:31] [INFO ] Deduced a trap composed of 19 places in 52 ms of which 5 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 00:33:31] [INFO ] Deduced a trap composed of 21 places in 47 ms of which 4 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 00:33:31] [INFO ] Deduced a trap composed of 22 places in 48 ms of which 5 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 00:33:31] [INFO ] Deduced a trap composed of 25 places in 43 ms of which 3 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 00:33:31] [INFO ] Deduced a trap composed of 29 places in 38 ms of which 3 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 00:33:32] [INFO ] Deduced a trap composed of 47 places in 94 ms of which 22 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 00:33:32] [INFO ] Deduced a trap composed of 47 places in 96 ms of which 22 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 00:33:32] [INFO ] Deduced a trap composed of 47 places in 102 ms of which 20 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 00:33:32] [INFO ] Deduced a trap composed of 48 places in 91 ms of which 19 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 00:33:32] [INFO ] Deduced a trap composed of 32 places in 31 ms of which 1 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 00:33:34] [INFO ] Deduced a trap composed of 70 places in 83 ms of which 15 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 00:33:34] [INFO ] Deduced a trap composed of 71 places in 86 ms of which 18 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 00:33:35] [INFO ] Deduced a trap composed of 63 places in 98 ms of which 22 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 00:33:35] [INFO ] Deduced a trap composed of 64 places in 88 ms of which 18 ms to minimize.
At refinement iteration 8 (INCLUDED_ONLY) 0/425 variables, 20/514 constraints. Problems are: Problem set: 0 solved, 214 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 00:33:41] [INFO ] Deduced a trap composed of 18 places in 49 ms of which 4 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 00:33:41] [INFO ] Deduced a trap composed of 19 places in 41 ms of which 4 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 00:33:44] [INFO ] Deduced a trap composed of 83 places in 88 ms of which 20 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 00:33:44] [INFO ] Deduced a trap composed of 92 places in 81 ms of which 16 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 00:33:44] [INFO ] Deduced a trap composed of 75 places in 81 ms of which 9 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 00:33:44] [INFO ] Deduced a trap composed of 46 places in 89 ms of which 18 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 00:33:44] [INFO ] Deduced a trap composed of 46 places in 81 ms of which 18 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 00:33:45] [INFO ] Deduced a trap composed of 59 places in 85 ms of which 18 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 00:33:45] [INFO ] Deduced a trap composed of 93 places in 72 ms of which 10 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 00:33:45] [INFO ] Deduced a trap composed of 93 places in 82 ms of which 16 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 00:33:45] [INFO ] Deduced a trap composed of 89 places in 84 ms of which 16 ms to minimize.
At refinement iteration 9 (INCLUDED_ONLY) 0/425 variables, 11/525 constraints. Problems are: Problem set: 0 solved, 214 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 425/425 variables, and 525 constraints, problems are : Problem set: 0 solved, 214 unsolved in 30018 ms.
Refiners :[Positive P Invariants (semi-flows): 14/14 constraints, Generalized P Invariants (flows): 18/18 constraints, State Equation: 210/210 constraints, ReadFeed: 38/38 constraints, PredecessorRefiner: 214/214 constraints, Known Traps: 31/31 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 44430ms problems are : Problem set: 0 solved, 214 unsolved
Search for dead transitions found 0 dead transitions in 44431ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 47021 ms. Remains : 210/210 places, 215/215 transitions.
Attempting over-approximation, by ignoring read arcs.
Performed 18 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 0 with 18 Pre rules applied. Total rules applied 0 place count 210 transition count 197
Deduced a syphon composed of 18 places in 1 ms
Reduce places removed 18 places and 0 transitions.
Iterating global reduction 0 with 36 rules applied. Total rules applied 36 place count 192 transition count 197
Discarding 8 places :
Symmetric choice reduction at 0 with 8 rule applications. Total rules 44 place count 184 transition count 189
Iterating global reduction 0 with 8 rules applied. Total rules applied 52 place count 184 transition count 189
Performed 1 Post agglomeration using F-continuation condition.Transition count delta: 1
Deduced a syphon composed of 1 places in 1 ms
Reduce places removed 1 places and 0 transitions.
Iterating global reduction 0 with 2 rules applied. Total rules applied 54 place count 183 transition count 188
Free-agglomeration rule (complex) applied 2 times.
Iterating global reduction 0 with 2 rules applied. Total rules applied 56 place count 183 transition count 186
Reduce places removed 2 places and 0 transitions.
Iterating post reduction 0 with 2 rules applied. Total rules applied 58 place count 181 transition count 186
Applied a total of 58 rules in 10 ms. Remains 181 /210 variables (removed 29) and now considering 186/215 (removed 29) transitions.
Running SMT prover for 1 properties.
// Phase 1: matrix 186 rows 181 cols
[2025-06-01 00:33:46] [INFO ] Computed 32 invariants in 14 ms
Starting Z3 with timeout 450.0 s and query timeout 45000.0 ms
[2025-06-01 00:33:46] [INFO ] [Real]Absence check using 11 positive place invariants in 7 ms returned sat
[2025-06-01 00:33:46] [INFO ] [Real]Absence check using 11 positive and 21 generalized place invariants in 4 ms returned sat
[2025-06-01 00:33:46] [INFO ] After 144ms SMT Verify possible using all constraints in real domain returned unsat :0 sat :0 real:1
Starting Z3 with timeout 450.0 s and query timeout 45000.0 ms
[2025-06-01 00:33:46] [INFO ] [Nat]Absence check using 11 positive place invariants in 6 ms returned sat
[2025-06-01 00:33:46] [INFO ] [Nat]Absence check using 11 positive and 21 generalized place invariants in 3 ms returned sat
[2025-06-01 00:33:46] [INFO ] After 93ms SMT Verify possible using state equation in natural domain returned unsat :0 sat :1
[2025-06-01 00:33:46] [INFO ] State equation strengthened by 1 read => feed constraints.
[2025-06-01 00:33:46] [INFO ] After 12ms SMT Verify possible using 1 Read/Feed constraints in natural domain returned unsat :0 sat :1
TRAPS : Iteration 0
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 00:33:46] [INFO ] Deduced a trap composed of 5 places in 61 ms of which 4 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 00:33:46] [INFO ] Deduced a trap composed of 27 places in 38 ms of which 3 ms to minimize.
[2025-06-01 00:33:46] [INFO ] Trap strengthening (SAT) tested/added 3/2 trap constraints in 121 ms
TRAPS : Iteration 1
[2025-06-01 00:33:46] [INFO ] After 157ms SMT Verify possible using trap constraints in natural domain returned unsat :0 sat :1
[2025-06-01 00:33:46] [INFO ] After 309ms SMT Verify possible using all constraints in natural domain returned unsat :0 sat :1
Over-approximation ignoring read arcs solved 0 properties in 481 ms.
Knowledge obtained : [p0]
False Knowledge obtained : []
Knowledge based reduction with 1 factoid took 71 ms. Reduced automaton from 5 states, 5 edges and 1 AP (stutter sensitive) to 5 states, 5 edges and 1 AP (stutter sensitive).
Stuttering acceptance computed with spot in 143 ms :[(NOT p0), (NOT p0), (NOT p0), (NOT p0), true]
Stuttering acceptance computed with spot in 136 ms :[(NOT p0), (NOT p0), (NOT p0), (NOT p0), true]
Stuttering acceptance computed with spot in 149 ms :[(NOT p0), (NOT p0), (NOT p0), (NOT p0), true]
Product exploration explored 100000 steps with 25000 reset in 119 ms.
Product exploration explored 100000 steps with 25000 reset in 114 ms.
Applying partial POR strategy [true, false, false, false, true]
Stuttering acceptance computed with spot in 153 ms :[(NOT p0), (NOT p0), (NOT p0), (NOT p0), true]
Support contains 2 out of 527 places. Attempting structural reductions.
Starting structural reductions in SI_LTL mode, iteration 0 : 527/527 places, 497/497 transitions.
Graph (complete) has 895 edges and 527 vertex of which 526 are kept as prefixes of interest. Removing 1 places using SCC suffix rule.1 ms
Discarding 1 places :
Also discarding 1 output transitions
Drop transitions (Output transitions of discarded places.) removed 1 transitions
Performed 119 Post agglomeration using F-continuation condition.Transition count delta: 0
Iterating post reduction 0 with 119 rules applied. Total rules applied 120 place count 526 transition count 496
Performed 22 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 1 with 22 Pre rules applied. Total rules applied 120 place count 526 transition count 515
Deduced a syphon composed of 141 places in 2 ms
Iterating global reduction 1 with 22 rules applied. Total rules applied 142 place count 526 transition count 515
Discarding 4 places :
Symmetric choice reduction at 1 with 4 rule applications. Total rules 146 place count 522 transition count 511
Deduced a syphon composed of 137 places in 2 ms
Iterating global reduction 1 with 4 rules applied. Total rules applied 150 place count 522 transition count 511
Performed 92 Post agglomeration using F-continuation condition.Transition count delta: -20
Deduced a syphon composed of 229 places in 1 ms
Iterating global reduction 1 with 92 rules applied. Total rules applied 242 place count 522 transition count 531
Discarding 1 places :
Symmetric choice reduction at 1 with 1 rule applications. Total rules 243 place count 521 transition count 530
Deduced a syphon composed of 228 places in 1 ms
Iterating global reduction 1 with 1 rules applied. Total rules applied 244 place count 521 transition count 530
Performed 20 Post agglomeration using F-continuation condition.Transition count delta: -120
Deduced a syphon composed of 248 places in 1 ms
Iterating global reduction 1 with 20 rules applied. Total rules applied 264 place count 521 transition count 650
Discarding 21 places :
Symmetric choice reduction at 1 with 21 rule applications. Total rules 285 place count 500 transition count 608
Deduced a syphon composed of 227 places in 1 ms
Iterating global reduction 1 with 21 rules applied. Total rules applied 306 place count 500 transition count 608
Deduced a syphon composed of 227 places in 1 ms
Applied a total of 306 rules in 129 ms. Remains 500 /527 variables (removed 27) and now considering 608/497 (removed -111) transitions.
Starting Z3 with timeout 200.0 s and query timeout 20000.0 ms
[2025-06-01 00:33:47] [INFO ] Redundant transitions in 4 ms returned []
Running 607 sub problems to find dead transitions.
// Phase 1: matrix 608 rows 500 cols
[2025-06-01 00:33:47] [INFO ] Computed 49 invariants in 25 ms
[2025-06-01 00:33:47] [INFO ] State equation strengthened by 20 read => feed constraints.
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/499 variables, 46/46 constraints. Problems are: Problem set: 0 solved, 607 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/499 variables, 0/46 constraints. Problems are: Problem set: 0 solved, 607 unsolved
At refinement iteration 2 (OVERLAPS) 1/500 variables, 2/48 constraints. Problems are: Problem set: 0 solved, 607 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/500 variables, 1/49 constraints. Problems are: Problem set: 0 solved, 607 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 00:34:07] [INFO ] Deduced a trap composed of 3 places in 25 ms of which 2 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 00:34:08] [INFO ] Deduced a trap composed of 3 places in 22 ms of which 1 ms to minimize.
Problem TDEAD358 is UNSAT
At refinement iteration 4 (INCLUDED_ONLY) 0/500 variables, 2/51 constraints. Problems are: Problem set: 1 solved, 606 unsolved
Error getting values : (error "ParserException while parsing response: (timeout
org.smtlib.IParser$ParserException: Unbalanced parentheses at end of input")
Solver is answering 'unknown', stopping.
After SMT solving in domain Real declared 500/1108 variables, and 51 constraints, problems are : Problem set: 1 solved, 606 unsolved in 30015 ms.
Refiners :[Positive P Invariants (semi-flows): 2/2 constraints, Generalized P Invariants (flows): 47/47 constraints, State Equation: 0/500 constraints, ReadFeed: 0/20 constraints, PredecessorRefiner: 607/607 constraints, Known Traps: 2/2 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 1 solved, 606 unsolved
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/498 variables, 46/46 constraints. Problems are: Problem set: 1 solved, 606 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/498 variables, 0/46 constraints. Problems are: Problem set: 1 solved, 606 unsolved
At refinement iteration 2 (OVERLAPS) 2/500 variables, 2/48 constraints. Problems are: Problem set: 1 solved, 606 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/500 variables, 1/49 constraints. Problems are: Problem set: 1 solved, 606 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/500 variables, 2/51 constraints. Problems are: Problem set: 1 solved, 606 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/500 variables, 0/51 constraints. Problems are: Problem set: 1 solved, 606 unsolved
Problem TDEAD0 is UNSAT
Problem TDEAD3 is UNSAT
Problem TDEAD4 is UNSAT
Problem TDEAD5 is UNSAT
Problem TDEAD6 is UNSAT
Problem TDEAD8 is UNSAT
Problem TDEAD9 is UNSAT
Problem TDEAD10 is UNSAT
Problem TDEAD11 is UNSAT
Problem TDEAD13 is UNSAT
Problem TDEAD14 is UNSAT
Problem TDEAD18 is UNSAT
Problem TDEAD19 is UNSAT
Problem TDEAD23 is UNSAT
Problem TDEAD24 is UNSAT
Problem TDEAD25 is UNSAT
Problem TDEAD26 is UNSAT
Problem TDEAD28 is UNSAT
Problem TDEAD29 is UNSAT
Problem TDEAD30 is UNSAT
Problem TDEAD31 is UNSAT
Problem TDEAD33 is UNSAT
Problem TDEAD35 is UNSAT
Problem TDEAD39 is UNSAT
Problem TDEAD40 is UNSAT
Problem TDEAD43 is UNSAT
Problem TDEAD44 is UNSAT
Problem TDEAD45 is UNSAT
Problem TDEAD46 is UNSAT
Problem TDEAD48 is UNSAT
Problem TDEAD49 is UNSAT
Problem TDEAD50 is UNSAT
Problem TDEAD51 is UNSAT
Problem TDEAD53 is UNSAT
Problem TDEAD54 is UNSAT
Problem TDEAD55 is UNSAT
Problem TDEAD59 is UNSAT
Problem TDEAD60 is UNSAT
Problem TDEAD63 is UNSAT
Problem TDEAD64 is UNSAT
Problem TDEAD65 is UNSAT
Problem TDEAD66 is UNSAT
Problem TDEAD68 is UNSAT
Problem TDEAD69 is UNSAT
Problem TDEAD70 is UNSAT
Problem TDEAD71 is UNSAT
Problem TDEAD72 is UNSAT
Problem TDEAD74 is UNSAT
Problem TDEAD75 is UNSAT
Problem TDEAD79 is UNSAT
Problem TDEAD80 is UNSAT
Problem TDEAD81 is UNSAT
Problem TDEAD83 is UNSAT
Problem TDEAD85 is UNSAT
Problem TDEAD87 is UNSAT
Problem TDEAD88 is UNSAT
Problem TDEAD89 is UNSAT
Problem TDEAD91 is UNSAT
Problem TDEAD92 is UNSAT
Problem TDEAD93 is UNSAT
Problem TDEAD94 is UNSAT
Problem TDEAD96 is UNSAT
Problem TDEAD97 is UNSAT
Problem TDEAD101 is UNSAT
Problem TDEAD102 is UNSAT
Problem TDEAD104 is UNSAT
Problem TDEAD106 is UNSAT
Problem TDEAD107 is UNSAT
Problem TDEAD108 is UNSAT
Problem TDEAD109 is UNSAT
Problem TDEAD111 is UNSAT
Problem TDEAD112 is UNSAT
Problem TDEAD113 is UNSAT
Problem TDEAD114 is UNSAT
Problem TDEAD116 is UNSAT
Problem TDEAD117 is UNSAT
Problem TDEAD121 is UNSAT
Problem TDEAD122 is UNSAT
Problem TDEAD123 is UNSAT
Problem TDEAD127 is UNSAT
Problem TDEAD128 is UNSAT
Problem TDEAD129 is UNSAT
Problem TDEAD130 is UNSAT
Problem TDEAD131 is UNSAT
Problem TDEAD133 is UNSAT
Problem TDEAD134 is UNSAT
Problem TDEAD135 is UNSAT
Problem TDEAD136 is UNSAT
Problem TDEAD137 is UNSAT
Problem TDEAD139 is UNSAT
Problem TDEAD141 is UNSAT
Problem TDEAD142 is UNSAT
Problem TDEAD146 is UNSAT
Problem TDEAD147 is UNSAT
Problem TDEAD148 is UNSAT
Problem TDEAD149 is UNSAT
Problem TDEAD150 is UNSAT
Problem TDEAD151 is UNSAT
Problem TDEAD152 is UNSAT
Problem TDEAD153 is UNSAT
Problem TDEAD154 is UNSAT
Problem TDEAD155 is UNSAT
Problem TDEAD156 is UNSAT
Problem TDEAD158 is UNSAT
Problem TDEAD159 is UNSAT
Problem TDEAD160 is UNSAT
Problem TDEAD164 is UNSAT
Problem TDEAD167 is UNSAT
Problem TDEAD168 is UNSAT
Problem TDEAD169 is UNSAT
Problem TDEAD170 is UNSAT
Problem TDEAD171 is UNSAT
Problem TDEAD173 is UNSAT
Problem TDEAD174 is UNSAT
Problem TDEAD175 is UNSAT
Problem TDEAD176 is UNSAT
Problem TDEAD178 is UNSAT
Problem TDEAD179 is UNSAT
Problem TDEAD180 is UNSAT
Problem TDEAD184 is UNSAT
Problem TDEAD232 is UNSAT
Problem TDEAD243 is UNSAT
Problem TDEAD244 is UNSAT
Problem TDEAD245 is UNSAT
Problem TDEAD246 is UNSAT
Problem TDEAD247 is UNSAT
Problem TDEAD248 is UNSAT
Problem TDEAD249 is UNSAT
Problem TDEAD250 is UNSAT
Problem TDEAD251 is UNSAT
Problem TDEAD252 is UNSAT
Problem TDEAD253 is UNSAT
Problem TDEAD254 is UNSAT
Problem TDEAD255 is UNSAT
Problem TDEAD256 is UNSAT
Problem TDEAD257 is UNSAT
Problem TDEAD258 is UNSAT
Problem TDEAD259 is UNSAT
Problem TDEAD260 is UNSAT
Problem TDEAD261 is UNSAT
Problem TDEAD262 is UNSAT
Problem TDEAD263 is UNSAT
Problem TDEAD264 is UNSAT
Problem TDEAD265 is UNSAT
Problem TDEAD266 is UNSAT
Problem TDEAD267 is UNSAT
Problem TDEAD268 is UNSAT
Problem TDEAD269 is UNSAT
Problem TDEAD270 is UNSAT
Problem TDEAD271 is UNSAT
Problem TDEAD272 is UNSAT
Problem TDEAD273 is UNSAT
Problem TDEAD274 is UNSAT
Problem TDEAD276 is UNSAT
Problem TDEAD277 is UNSAT
Problem TDEAD278 is UNSAT
Problem TDEAD279 is UNSAT
Problem TDEAD280 is UNSAT
Problem TDEAD284 is UNSAT
Problem TDEAD288 is UNSAT
Problem TDEAD292 is UNSAT
Problem TDEAD296 is UNSAT
Problem TDEAD300 is UNSAT
Problem TDEAD304 is UNSAT
Problem TDEAD308 is UNSAT
Problem TDEAD312 is UNSAT
Problem TDEAD314 is UNSAT
Problem TDEAD320 is UNSAT
Problem TDEAD324 is UNSAT
Problem TDEAD328 is UNSAT
Problem TDEAD332 is UNSAT
Problem TDEAD334 is UNSAT
Problem TDEAD338 is UNSAT
Problem TDEAD344 is UNSAT
Problem TDEAD346 is UNSAT
Problem TDEAD350 is UNSAT
Problem TDEAD354 is UNSAT
Problem TDEAD355 is UNSAT
Problem TDEAD356 is UNSAT
Problem TDEAD357 is UNSAT
Problem TDEAD360 is UNSAT
Problem TDEAD364 is UNSAT
Problem TDEAD368 is UNSAT
Problem TDEAD369 is UNSAT
Problem TDEAD370 is UNSAT
Problem TDEAD371 is UNSAT
Problem TDEAD372 is UNSAT
Problem TDEAD373 is UNSAT
Problem TDEAD374 is UNSAT
Problem TDEAD375 is UNSAT
Problem TDEAD376 is UNSAT
Problem TDEAD377 is UNSAT
Problem TDEAD378 is UNSAT
Problem TDEAD379 is UNSAT
Problem TDEAD382 is UNSAT
Problem TDEAD383 is UNSAT
Problem TDEAD386 is UNSAT
Problem TDEAD387 is UNSAT
Problem TDEAD388 is UNSAT
Problem TDEAD389 is UNSAT
Problem TDEAD394 is UNSAT
Problem TDEAD395 is UNSAT
Problem TDEAD396 is UNSAT
Problem TDEAD397 is UNSAT
Problem TDEAD398 is UNSAT
Problem TDEAD399 is UNSAT
Problem TDEAD400 is UNSAT
Problem TDEAD401 is UNSAT
Problem TDEAD402 is UNSAT
Problem TDEAD403 is UNSAT
Problem TDEAD404 is UNSAT
Problem TDEAD405 is UNSAT
Problem TDEAD408 is UNSAT
Problem TDEAD409 is UNSAT
Problem TDEAD412 is UNSAT
Problem TDEAD413 is UNSAT
Problem TDEAD414 is UNSAT
Problem TDEAD415 is UNSAT
Problem TDEAD420 is UNSAT
Problem TDEAD421 is UNSAT
Problem TDEAD422 is UNSAT
Problem TDEAD423 is UNSAT
Problem TDEAD424 is UNSAT
Problem TDEAD425 is UNSAT
Problem TDEAD426 is UNSAT
Problem TDEAD427 is UNSAT
Problem TDEAD428 is UNSAT
Problem TDEAD429 is UNSAT
Problem TDEAD430 is UNSAT
Problem TDEAD431 is UNSAT
Problem TDEAD434 is UNSAT
Problem TDEAD435 is UNSAT
Problem TDEAD438 is UNSAT
Problem TDEAD439 is UNSAT
Problem TDEAD440 is UNSAT
Problem TDEAD441 is UNSAT
Problem TDEAD446 is UNSAT
Problem TDEAD447 is UNSAT
Problem TDEAD448 is UNSAT
Problem TDEAD449 is UNSAT
Problem TDEAD450 is UNSAT
Problem TDEAD451 is UNSAT
Problem TDEAD454 is UNSAT
Problem TDEAD455 is UNSAT
Problem TDEAD456 is UNSAT
Problem TDEAD457 is UNSAT
Problem TDEAD458 is UNSAT
Problem TDEAD459 is UNSAT
Problem TDEAD460 is UNSAT
Problem TDEAD461 is UNSAT
Problem TDEAD464 is UNSAT
Problem TDEAD465 is UNSAT
Problem TDEAD466 is UNSAT
Problem TDEAD467 is UNSAT
Problem TDEAD468 is UNSAT
Problem TDEAD469 is UNSAT
Problem TDEAD470 is UNSAT
Problem TDEAD471 is UNSAT
Problem TDEAD472 is UNSAT
Problem TDEAD473 is UNSAT
Problem TDEAD474 is UNSAT
Problem TDEAD475 is UNSAT
Problem TDEAD478 is UNSAT
Problem TDEAD479 is UNSAT
Problem TDEAD482 is UNSAT
Problem TDEAD483 is UNSAT
Problem TDEAD484 is UNSAT
Problem TDEAD485 is UNSAT
Problem TDEAD490 is UNSAT
Problem TDEAD491 is UNSAT
Problem TDEAD492 is UNSAT
Problem TDEAD493 is UNSAT
Problem TDEAD494 is UNSAT
Problem TDEAD495 is UNSAT
Problem TDEAD496 is UNSAT
Problem TDEAD497 is UNSAT
Problem TDEAD498 is UNSAT
Problem TDEAD499 is UNSAT
Problem TDEAD500 is UNSAT
Problem TDEAD501 is UNSAT
Problem TDEAD504 is UNSAT
Problem TDEAD505 is UNSAT
Problem TDEAD508 is UNSAT
Problem TDEAD509 is UNSAT
Problem TDEAD510 is UNSAT
Problem TDEAD511 is UNSAT
Problem TDEAD516 is UNSAT
Problem TDEAD517 is UNSAT
Problem TDEAD518 is UNSAT
Problem TDEAD519 is UNSAT
Problem TDEAD524 is UNSAT
Problem TDEAD525 is UNSAT
Problem TDEAD528 is UNSAT
Problem TDEAD529 is UNSAT
Problem TDEAD530 is UNSAT
Problem TDEAD531 is UNSAT
Problem TDEAD532 is UNSAT
Problem TDEAD533 is UNSAT
Problem TDEAD534 is UNSAT
Problem TDEAD535 is UNSAT
Problem TDEAD538 is UNSAT
Problem TDEAD539 is UNSAT
Problem TDEAD540 is UNSAT
Problem TDEAD541 is UNSAT
Problem TDEAD546 is UNSAT
Problem TDEAD547 is UNSAT
Problem TDEAD548 is UNSAT
Problem TDEAD549 is UNSAT
Problem TDEAD550 is UNSAT
Problem TDEAD551 is UNSAT
Problem TDEAD552 is UNSAT
Problem TDEAD553 is UNSAT
Problem TDEAD554 is UNSAT
Problem TDEAD555 is UNSAT
Problem TDEAD556 is UNSAT
Problem TDEAD557 is UNSAT
Problem TDEAD560 is UNSAT
Problem TDEAD561 is UNSAT
Problem TDEAD564 is UNSAT
Problem TDEAD565 is UNSAT
Problem TDEAD566 is UNSAT
Problem TDEAD567 is UNSAT
Problem TDEAD572 is UNSAT
Problem TDEAD573 is UNSAT
Problem TDEAD574 is UNSAT
Problem TDEAD575 is UNSAT
Problem TDEAD578 is UNSAT
Problem TDEAD579 is UNSAT
Problem TDEAD582 is UNSAT
Problem TDEAD583 is UNSAT
Problem TDEAD584 is UNSAT
Problem TDEAD585 is UNSAT
Problem TDEAD586 is UNSAT
Problem TDEAD587 is UNSAT
Problem TDEAD590 is UNSAT
Problem TDEAD591 is UNSAT
Problem TDEAD592 is UNSAT
Problem TDEAD593 is UNSAT
Problem TDEAD594 is UNSAT
Problem TDEAD595 is UNSAT
Problem TDEAD596 is UNSAT
Problem TDEAD597 is UNSAT
Problem TDEAD600 is UNSAT
Problem TDEAD601 is UNSAT
Problem TDEAD602 is UNSAT
Problem TDEAD603 is UNSAT
At refinement iteration 6 (OVERLAPS) 608/1108 variables, 500/551 constraints. Problems are: Problem set: 347 solved, 260 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/1108 variables, 20/571 constraints. Problems are: Problem set: 347 solved, 260 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/1108 variables, 260/831 constraints. Problems are: Problem set: 347 solved, 260 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 1108/1108 variables, and 831 constraints, problems are : Problem set: 347 solved, 260 unsolved in 30020 ms.
Refiners :[Positive P Invariants (semi-flows): 2/2 constraints, Generalized P Invariants (flows): 47/47 constraints, State Equation: 500/500 constraints, ReadFeed: 20/20 constraints, PredecessorRefiner: 260/607 constraints, Known Traps: 2/2 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 60136ms problems are : Problem set: 347 solved, 260 unsolved
Search for dead transitions found 347 dead transitions in 60139ms
Found 347 dead transitions using SMT.
Drop transitions (Dead Transitions using SMT only with invariants) removed 347 transitions
Dead transitions reduction (with SMT) removed 347 transitions
Starting structural reductions in SI_LTL mode, iteration 1 : 500/527 places, 261/497 transitions.
Graph (complete) has 856 edges and 500 vertex of which 273 are kept as prefixes of interest. Removing 227 places using SCC suffix rule.1 ms
Discarding 227 places :
Also discarding 0 output transitions
Applied a total of 1 rules in 7 ms. Remains 273 /500 variables (removed 227) and now considering 261/261 (removed 0) transitions.
Starting structural reductions in SI_LTL mode, iteration 2 : 273/527 places, 261/497 transitions.
Finished structural reductions in SI_LTL mode , in 2 iterations and 60292 ms. Remains : 273/527 places, 261/497 transitions.
Built C files in :
/tmp/ltsmin5313104380197177786
[2025-06-01 00:34:48] [INFO ] Built C files in 18ms conformant to PINS (ltsmin variant)in folder :/tmp/ltsmin5313104380197177786
Running compilation step : cd /tmp/ltsmin5313104380197177786;'/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 824 ms.
Running link step : cd /tmp/ltsmin5313104380197177786;'gcc' '-shared' '-o' 'gal.so' 'model.o'
Link finished in 48 ms.
Running LTSmin : cd /tmp/ltsmin5313104380197177786;'/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.ltsmin.binaries_1.0.0.202505121319/bin/pins2lts-mc-linux64' './gal.so' '--threads=8' '--when' '--hoa' '/tmp/stateBased13877975635392828793.hoa' '--buchi-type=spotba'
LTSmin run took 308 ms.
FORMULA DoubleExponent-PT-010-LTLFireability-05 TRUE TECHNIQUES EXPLICIT LTSMIN SAT_SMT
Treatment of property DoubleExponent-PT-010-LTLFireability-05 finished in 338773 ms.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202505121319/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!(F(p0))'
Support contains 1 out of 527 places. Attempting structural reductions.
Starting structural reductions in SI_LTL mode, iteration 0 : 527/527 places, 497/497 transitions.
Graph (complete) has 895 edges and 527 vertex of which 526 are kept as prefixes of interest. Removing 1 places using SCC suffix rule.0 ms
Discarding 1 places :
Also discarding 1 output transitions
Drop transitions (Output transitions of discarded places.) removed 1 transitions
Reduce places removed 1 places and 1 transitions.
Drop transitions (Trivial Post-Agglo cleanup.) removed 121 transitions
Trivial Post-agglo rules discarded 121 transitions
Performed 121 trivial Post agglomeration. Transition count delta: 121
Iterating post reduction 0 with 121 rules applied. Total rules applied 122 place count 525 transition count 374
Reduce places removed 121 places and 0 transitions.
Iterating post reduction 1 with 121 rules applied. Total rules applied 243 place count 404 transition count 374
Performed 21 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 2 with 21 Pre rules applied. Total rules applied 243 place count 404 transition count 353
Deduced a syphon composed of 21 places in 2 ms
Reduce places removed 21 places and 0 transitions.
Iterating global reduction 2 with 42 rules applied. Total rules applied 285 place count 383 transition count 353
Performed 92 Post agglomeration using F-continuation condition.Transition count delta: 92
Deduced a syphon composed of 92 places in 0 ms
Reduce places removed 92 places and 0 transitions.
Iterating global reduction 2 with 184 rules applied. Total rules applied 469 place count 291 transition count 261
Performed 18 Post agglomeration using F-continuation condition.Transition count delta: 0
Deduced a syphon composed of 18 places in 1 ms
Reduce places removed 18 places and 0 transitions.
Iterating global reduction 2 with 36 rules applied. Total rules applied 505 place count 273 transition count 261
Reduce places removed 1 places and 1 transitions.
Iterating global reduction 2 with 1 rules applied. Total rules applied 506 place count 272 transition count 260
Applied a total of 506 rules in 31 ms. Remains 272 /527 variables (removed 255) and now considering 260/497 (removed 237) transitions.
// Phase 1: matrix 260 rows 272 cols
[2025-06-01 00:34:49] [INFO ] Computed 49 invariants in 13 ms
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-01 00:34:49] [INFO ] Implicit Places using invariants in 145 ms returned []
[2025-06-01 00:34:49] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-01 00:34:49] [INFO ] State equation strengthened by 18 read => feed constraints.
[2025-06-01 00:34:51] [INFO ] Implicit Places using invariants and state equation in 1569 ms returned []
Implicit Place search using SMT with State Equation took 1725 ms to find 0 implicit places.
Starting Z3 with timeout 200.0 s and query timeout 20000.0 ms
[2025-06-01 00:34:51] [INFO ] Redundant transitions in 2 ms returned []
Running 259 sub problems to find dead transitions.
[2025-06-01 00:34:51] [INFO ] Invariant cache hit.
[2025-06-01 00:34:51] [INFO ] State equation strengthened by 18 read => feed constraints.
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/271 variables, 2/2 constraints. Problems are: Problem set: 0 solved, 259 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/271 variables, 47/49 constraints. Problems are: Problem set: 0 solved, 259 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/271 variables, 0/49 constraints. Problems are: Problem set: 0 solved, 259 unsolved
At refinement iteration 3 (OVERLAPS) 260/531 variables, 271/320 constraints. Problems are: Problem set: 0 solved, 259 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/531 variables, 18/338 constraints. Problems are: Problem set: 0 solved, 259 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/531 variables, 0/338 constraints. Problems are: Problem set: 0 solved, 259 unsolved
At refinement iteration 6 (OVERLAPS) 1/532 variables, 1/339 constraints. Problems are: Problem set: 0 solved, 259 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 00:35:14] [INFO ] Deduced a trap composed of 10 places in 69 ms of which 7 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 00:35:14] [INFO ] Deduced a trap composed of 12 places in 69 ms of which 5 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 00:35:14] [INFO ] Deduced a trap composed of 22 places in 63 ms of which 4 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 00:35:14] [INFO ] Deduced a trap composed of 22 places in 54 ms of which 5 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 00:35:14] [INFO ] Deduced a trap composed of 18 places in 49 ms of which 4 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 00:35:15] [INFO ] Deduced a trap composed of 24 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 00:35:15] [INFO ] Deduced a trap composed of 26 places in 54 ms of which 4 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 00:35:15] [INFO ] Deduced a trap composed of 26 places in 49 ms of which 3 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 00:35:15] [INFO ] Deduced a trap composed of 22 places in 51 ms of which 3 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 00:35:15] [INFO ] Deduced a trap composed of 28 places in 52 ms of which 3 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 00:35:16] [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 00:35:16] [INFO ] Deduced a trap composed of 34 places in 41 ms of which 3 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 00:35:16] [INFO ] Deduced a trap composed of 38 places in 41 ms of which 2 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 00:35:16] [INFO ] Deduced a trap composed of 38 places in 39 ms of which 3 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 00:35:17] [INFO ] Deduced a trap composed of 40 places in 45 ms of which 2 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 00:35:17] [INFO ] Deduced a trap composed of 30 places in 40 ms of which 3 ms to minimize.
Solver is answering 'unknown', stopping.
After SMT solving in domain Real declared 532/532 variables, and 355 constraints, problems are : Problem set: 0 solved, 259 unsolved in 30011 ms.
Refiners :[Positive P Invariants (semi-flows): 2/2 constraints, Generalized P Invariants (flows): 47/47 constraints, State Equation: 272/272 constraints, ReadFeed: 18/18 constraints, PredecessorRefiner: 259/259 constraints, Known Traps: 16/16 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 259 unsolved
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/271 variables, 2/2 constraints. Problems are: Problem set: 0 solved, 259 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/271 variables, 47/49 constraints. Problems are: Problem set: 0 solved, 259 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/271 variables, 0/49 constraints. Problems are: Problem set: 0 solved, 259 unsolved
At refinement iteration 3 (OVERLAPS) 260/531 variables, 271/320 constraints. Problems are: Problem set: 0 solved, 259 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/531 variables, 18/338 constraints. Problems are: Problem set: 0 solved, 259 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/531 variables, 256/594 constraints. Problems are: Problem set: 0 solved, 259 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/531 variables, 0/594 constraints. Problems are: Problem set: 0 solved, 259 unsolved
SMT process timed out in 60044ms, After SMT, problems are : Problem set: 0 solved, 259 unsolved
Search for dead transitions found 0 dead transitions in 60045ms
Starting structural reductions in SI_LTL mode, iteration 1 : 272/527 places, 260/497 transitions.
Finished structural reductions in SI_LTL mode , in 1 iterations and 61809 ms. Remains : 272/527 places, 260/497 transitions.
Stuttering acceptance computed with spot in 39 ms :[(NOT p0)]
Running random walk in product with property : DoubleExponent-PT-010-LTLFireability-06
Stuttering criterion allowed to conclude after 5 steps with 0 reset in 0 ms.
FORMULA DoubleExponent-PT-010-LTLFireability-06 FALSE TECHNIQUES STUTTER_TEST
Treatment of property DoubleExponent-PT-010-LTLFireability-06 finished in 61859 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(F(p0))))'
Support contains 1 out of 527 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 527/527 places, 497/497 transitions.
Applied a total of 0 rules in 13 ms. Remains 527 /527 variables (removed 0) and now considering 497/497 (removed 0) transitions.
// Phase 1: matrix 497 rows 527 cols
[2025-06-01 00:35:51] [INFO ] Computed 49 invariants in 23 ms
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-01 00:35:51] [INFO ] Implicit Places using invariants in 172 ms returned []
[2025-06-01 00:35:51] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-01 00:35:53] [INFO ] Implicit Places using invariants and state equation in 1806 ms returned []
Implicit Place search using SMT with State Equation took 1979 ms to find 0 implicit places.
Running 496 sub problems to find dead transitions.
[2025-06-01 00:35:53] [INFO ] Invariant cache hit.
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/526 variables, 46/46 constraints. Problems are: Problem set: 0 solved, 496 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/526 variables, 0/46 constraints. Problems are: Problem set: 0 solved, 496 unsolved
At refinement iteration 2 (OVERLAPS) 1/527 variables, 2/48 constraints. Problems are: Problem set: 0 solved, 496 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/527 variables, 1/49 constraints. Problems are: Problem set: 0 solved, 496 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 00:36:12] [INFO ] Deduced a trap composed of 7 places in 28 ms of which 2 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 00:36:13] [INFO ] Deduced a trap composed of 8 places in 24 ms of which 1 ms to minimize.
At refinement iteration 4 (INCLUDED_ONLY) 0/527 variables, 2/51 constraints. Problems are: Problem set: 0 solved, 496 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/527 variables, 0/51 constraints. Problems are: Problem set: 0 solved, 496 unsolved
At refinement iteration 6 (OVERLAPS) 497/1024 variables, 527/578 constraints. Problems are: Problem set: 0 solved, 496 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Real declared 1024/1024 variables, and 578 constraints, problems are : Problem set: 0 solved, 496 unsolved in 30022 ms.
Refiners :[Positive P Invariants (semi-flows): 2/2 constraints, Generalized P Invariants (flows): 47/47 constraints, State Equation: 527/527 constraints, PredecessorRefiner: 496/496 constraints, Known Traps: 2/2 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 496 unsolved
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/526 variables, 46/46 constraints. Problems are: Problem set: 0 solved, 496 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/526 variables, 0/46 constraints. Problems are: Problem set: 0 solved, 496 unsolved
At refinement iteration 2 (OVERLAPS) 1/527 variables, 2/48 constraints. Problems are: Problem set: 0 solved, 496 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/527 variables, 1/49 constraints. Problems are: Problem set: 0 solved, 496 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/527 variables, 2/51 constraints. Problems are: Problem set: 0 solved, 496 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/527 variables, 0/51 constraints. Problems are: Problem set: 0 solved, 496 unsolved
At refinement iteration 6 (OVERLAPS) 497/1024 variables, 527/578 constraints. Problems are: Problem set: 0 solved, 496 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/1024 variables, 496/1074 constraints. Problems are: Problem set: 0 solved, 496 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 1024/1024 variables, and 1074 constraints, problems are : Problem set: 0 solved, 496 unsolved in 30019 ms.
Refiners :[Positive P Invariants (semi-flows): 2/2 constraints, Generalized P Invariants (flows): 47/47 constraints, State Equation: 527/527 constraints, PredecessorRefiner: 496/496 constraints, Known Traps: 2/2 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 60074ms problems are : Problem set: 0 solved, 496 unsolved
Search for dead transitions found 0 dead transitions in 60077ms
Finished structural reductions in LTL mode , in 1 iterations and 62072 ms. Remains : 527/527 places, 497/497 transitions.
Stuttering acceptance computed with spot in 89 ms :[(NOT p0), (NOT p0), (NOT p0)]
Running random walk in product with property : DoubleExponent-PT-010-LTLFireability-07
Product exploration explored 100000 steps with 33333 reset in 128 ms.
Product exploration explored 100000 steps with 33333 reset in 147 ms.
Computed a total of 7 stabilizing places and 7 stable transitions
Graph (complete) has 895 edges and 527 vertex of which 525 are kept as prefixes of interest. Removing 2 places using SCC suffix rule.2 ms
Computed a total of 7 stabilizing places and 7 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 16 ms. Reduced automaton from 3 states, 3 edges and 1 AP (stutter sensitive) to 1 states, 0 edges and 0 AP (stutter insensitive).
FORMULA DoubleExponent-PT-010-LTLFireability-07 TRUE TECHNIQUES KNOWLEDGE
Treatment of property DoubleExponent-PT-010-LTLFireability-07 finished in 62476 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(G((p0 U X(X((X(p1)||G((p2&&F(p0))))))))))'
Support contains 5 out of 527 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 527/527 places, 497/497 transitions.
Applied a total of 0 rules in 8 ms. Remains 527 /527 variables (removed 0) and now considering 497/497 (removed 0) transitions.
[2025-06-01 00:36:53] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-01 00:36:53] [INFO ] Implicit Places using invariants in 154 ms returned []
[2025-06-01 00:36:53] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-01 00:36:55] [INFO ] Implicit Places using invariants and state equation in 1893 ms returned []
Implicit Place search using SMT with State Equation took 2049 ms to find 0 implicit places.
Running 496 sub problems to find dead transitions.
[2025-06-01 00:36:55] [INFO ] Invariant cache hit.
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/526 variables, 46/46 constraints. Problems are: Problem set: 0 solved, 496 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/526 variables, 0/46 constraints. Problems are: Problem set: 0 solved, 496 unsolved
At refinement iteration 2 (OVERLAPS) 1/527 variables, 2/48 constraints. Problems are: Problem set: 0 solved, 496 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/527 variables, 1/49 constraints. Problems are: Problem set: 0 solved, 496 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 00:37:14] [INFO ] Deduced a trap composed of 7 places in 26 ms of which 1 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 00:37:15] [INFO ] Deduced a trap composed of 8 places in 25 ms of which 1 ms to minimize.
At refinement iteration 4 (INCLUDED_ONLY) 0/527 variables, 2/51 constraints. Problems are: Problem set: 0 solved, 496 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/527 variables, 0/51 constraints. Problems are: Problem set: 0 solved, 496 unsolved
At refinement iteration 6 (OVERLAPS) 497/1024 variables, 527/578 constraints. Problems are: Problem set: 0 solved, 496 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Real declared 1024/1024 variables, and 578 constraints, problems are : Problem set: 0 solved, 496 unsolved in 30017 ms.
Refiners :[Positive P Invariants (semi-flows): 2/2 constraints, Generalized P Invariants (flows): 47/47 constraints, State Equation: 527/527 constraints, PredecessorRefiner: 496/496 constraints, Known Traps: 2/2 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 496 unsolved
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/526 variables, 46/46 constraints. Problems are: Problem set: 0 solved, 496 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/526 variables, 0/46 constraints. Problems are: Problem set: 0 solved, 496 unsolved
At refinement iteration 2 (OVERLAPS) 1/527 variables, 2/48 constraints. Problems are: Problem set: 0 solved, 496 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/527 variables, 1/49 constraints. Problems are: Problem set: 0 solved, 496 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/527 variables, 2/51 constraints. Problems are: Problem set: 0 solved, 496 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/527 variables, 0/51 constraints. Problems are: Problem set: 0 solved, 496 unsolved
At refinement iteration 6 (OVERLAPS) 497/1024 variables, 527/578 constraints. Problems are: Problem set: 0 solved, 496 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/1024 variables, 496/1074 constraints. Problems are: Problem set: 0 solved, 496 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 1024/1024 variables, and 1074 constraints, problems are : Problem set: 0 solved, 496 unsolved in 30012 ms.
Refiners :[Positive P Invariants (semi-flows): 2/2 constraints, Generalized P Invariants (flows): 47/47 constraints, State Equation: 527/527 constraints, PredecessorRefiner: 496/496 constraints, Known Traps: 2/2 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 60062ms problems are : Problem set: 0 solved, 496 unsolved
Search for dead transitions found 0 dead transitions in 60066ms
Finished structural reductions in LTL mode , in 1 iterations and 62128 ms. Remains : 527/527 places, 497/497 transitions.
Stuttering acceptance computed with spot in 1160 ms :[(OR (AND (NOT p1) (NOT p2)) (AND (NOT p0) (NOT p1))), (OR (AND (NOT p1) (NOT p2)) (AND (NOT p0) (NOT p1))), (OR (AND (NOT p1) (NOT p2)) (AND (NOT p0) (NOT p1))), (OR (AND (NOT p0) (NOT p1)) (AND (NOT p1) (NOT p2))), (OR (AND (NOT p0) (NOT p1)) (AND (NOT p1) (NOT p2))), (OR (AND (NOT p0) (NOT p1)) (AND (NOT p1) (NOT p2))), (OR (AND (NOT p0) (NOT p1)) (AND (NOT p1) (NOT p2))), (OR (AND (NOT p0) (NOT p1)) (AND (NOT p1) (NOT p2))), (AND (NOT p0) (NOT p1)), (AND (NOT p0) (NOT p1)), (OR (AND (NOT p0) (NOT p1)) (AND (NOT p1) (NOT p2))), (OR (AND (NOT p1) (NOT p2)) (AND (NOT p0) (NOT p1))), (OR (AND (NOT p1) (NOT p2)) (AND (NOT p0) (NOT p1))), (OR (AND (NOT p1) (NOT p2)) (AND (NOT p0) (NOT p1))), (AND (NOT p0) (NOT p1)), (OR (AND (NOT p0) (NOT p1)) (AND (NOT p1) (NOT p2))), (AND (NOT p0) (NOT p1)), (OR (AND (NOT p1) (NOT p2)) (AND (NOT p0) (NOT p1))), (OR (AND (NOT p1) (NOT p2)) (AND (NOT p0) (NOT p1))), (AND (NOT p0) (NOT p1)), (AND (NOT p0) (NOT p1)), (OR (AND (NOT p1) (NOT p2)) (AND (NOT p0) (NOT p1))), (AND (NOT p0) (NOT p1)), (OR (AND (NOT p0) (NOT p1)) (AND (NOT p1) (NOT p2))), (AND (NOT p0) (NOT p1)), (OR (AND (NOT p1) (NOT p2)) (AND (NOT p0) (NOT p1)))]
Running random walk in product with property : DoubleExponent-PT-010-LTLFireability-08
Stuttering criterion allowed to conclude after 35 steps with 0 reset in 0 ms.
FORMULA DoubleExponent-PT-010-LTLFireability-08 FALSE TECHNIQUES STUTTER_TEST
Treatment of property DoubleExponent-PT-010-LTLFireability-08 finished in 63325 ms.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202505121319/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!(X((F(((p0 U (G(p0)||(p0&&G(p1))))&&(!p2 U (p3||G(!p2))))) U p2)))'
Support contains 5 out of 527 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 527/527 places, 497/497 transitions.
Applied a total of 0 rules in 12 ms. Remains 527 /527 variables (removed 0) and now considering 497/497 (removed 0) transitions.
[2025-06-01 00:37:57] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-01 00:37:57] [INFO ] Implicit Places using invariants in 157 ms returned []
[2025-06-01 00:37:57] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-01 00:37:58] [INFO ] Implicit Places using invariants and state equation in 1714 ms returned []
Implicit Place search using SMT with State Equation took 1874 ms to find 0 implicit places.
Running 496 sub problems to find dead transitions.
[2025-06-01 00:37:58] [INFO ] Invariant cache hit.
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/526 variables, 46/46 constraints. Problems are: Problem set: 0 solved, 496 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/526 variables, 0/46 constraints. Problems are: Problem set: 0 solved, 496 unsolved
At refinement iteration 2 (OVERLAPS) 1/527 variables, 2/48 constraints. Problems are: Problem set: 0 solved, 496 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/527 variables, 1/49 constraints. Problems are: Problem set: 0 solved, 496 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 00:38:17] [INFO ] Deduced a trap composed of 7 places in 29 ms of which 2 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 00:38:17] [INFO ] Deduced a trap composed of 8 places in 26 ms of which 2 ms to minimize.
At refinement iteration 4 (INCLUDED_ONLY) 0/527 variables, 2/51 constraints. Problems are: Problem set: 0 solved, 496 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/527 variables, 0/51 constraints. Problems are: Problem set: 0 solved, 496 unsolved
At refinement iteration 6 (OVERLAPS) 497/1024 variables, 527/578 constraints. Problems are: Problem set: 0 solved, 496 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Real declared 1024/1024 variables, and 578 constraints, problems are : Problem set: 0 solved, 496 unsolved in 30019 ms.
Refiners :[Positive P Invariants (semi-flows): 2/2 constraints, Generalized P Invariants (flows): 47/47 constraints, State Equation: 527/527 constraints, PredecessorRefiner: 496/496 constraints, Known Traps: 2/2 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 496 unsolved
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/526 variables, 46/46 constraints. Problems are: Problem set: 0 solved, 496 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/526 variables, 0/46 constraints. Problems are: Problem set: 0 solved, 496 unsolved
At refinement iteration 2 (OVERLAPS) 1/527 variables, 2/48 constraints. Problems are: Problem set: 0 solved, 496 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/527 variables, 1/49 constraints. Problems are: Problem set: 0 solved, 496 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/527 variables, 2/51 constraints. Problems are: Problem set: 0 solved, 496 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/527 variables, 0/51 constraints. Problems are: Problem set: 0 solved, 496 unsolved
At refinement iteration 6 (OVERLAPS) 497/1024 variables, 527/578 constraints. Problems are: Problem set: 0 solved, 496 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/1024 variables, 496/1074 constraints. Problems are: Problem set: 0 solved, 496 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 1024/1024 variables, and 1074 constraints, problems are : Problem set: 0 solved, 496 unsolved in 30022 ms.
Refiners :[Positive P Invariants (semi-flows): 2/2 constraints, Generalized P Invariants (flows): 47/47 constraints, State Equation: 527/527 constraints, PredecessorRefiner: 496/496 constraints, Known Traps: 2/2 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 60076ms problems are : Problem set: 0 solved, 496 unsolved
Search for dead transitions found 0 dead transitions in 60078ms
Finished structural reductions in LTL mode , in 1 iterations and 61968 ms. Remains : 527/527 places, 497/497 transitions.
Stuttering acceptance computed with spot in 383 ms :[(NOT p2), (NOT p2), (OR (NOT p0) (AND p2 (NOT p3))), (NOT p0), (AND p2 (NOT p3)), (AND (NOT p0) (NOT p1)), (OR (AND (NOT p1) p2 (NOT p3)) (AND (NOT p0) (NOT p1))), (AND (NOT p1) p2 (NOT p3))]
Running random walk in product with property : DoubleExponent-PT-010-LTLFireability-10
Stuttering criterion allowed to conclude after 24 steps with 0 reset in 0 ms.
FORMULA DoubleExponent-PT-010-LTLFireability-10 FALSE TECHNIQUES STUTTER_TEST
Treatment of property DoubleExponent-PT-010-LTLFireability-10 finished in 62386 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((G(p0)||X(G(p1)))))'
Support contains 3 out of 527 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 527/527 places, 497/497 transitions.
Applied a total of 0 rules in 11 ms. Remains 527 /527 variables (removed 0) and now considering 497/497 (removed 0) transitions.
[2025-06-01 00:38:59] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-01 00:38:59] [INFO ] Implicit Places using invariants in 143 ms returned []
[2025-06-01 00:38:59] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-01 00:39:01] [INFO ] Implicit Places using invariants and state equation in 1627 ms returned []
Implicit Place search using SMT with State Equation took 1772 ms to find 0 implicit places.
Running 496 sub problems to find dead transitions.
[2025-06-01 00:39:01] [INFO ] Invariant cache hit.
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/526 variables, 46/46 constraints. Problems are: Problem set: 0 solved, 496 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/526 variables, 0/46 constraints. Problems are: Problem set: 0 solved, 496 unsolved
At refinement iteration 2 (OVERLAPS) 1/527 variables, 2/48 constraints. Problems are: Problem set: 0 solved, 496 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/527 variables, 1/49 constraints. Problems are: Problem set: 0 solved, 496 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 00:39:19] [INFO ] Deduced a trap composed of 7 places in 28 ms of which 1 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 00:39:20] [INFO ] Deduced a trap composed of 8 places in 24 ms of which 1 ms to minimize.
At refinement iteration 4 (INCLUDED_ONLY) 0/527 variables, 2/51 constraints. Problems are: Problem set: 0 solved, 496 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/527 variables, 0/51 constraints. Problems are: Problem set: 0 solved, 496 unsolved
At refinement iteration 6 (OVERLAPS) 497/1024 variables, 527/578 constraints. Problems are: Problem set: 0 solved, 496 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Real declared 1024/1024 variables, and 578 constraints, problems are : Problem set: 0 solved, 496 unsolved in 30020 ms.
Refiners :[Positive P Invariants (semi-flows): 2/2 constraints, Generalized P Invariants (flows): 47/47 constraints, State Equation: 527/527 constraints, PredecessorRefiner: 496/496 constraints, Known Traps: 2/2 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 496 unsolved
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/526 variables, 46/46 constraints. Problems are: Problem set: 0 solved, 496 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/526 variables, 0/46 constraints. Problems are: Problem set: 0 solved, 496 unsolved
At refinement iteration 2 (OVERLAPS) 1/527 variables, 2/48 constraints. Problems are: Problem set: 0 solved, 496 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/527 variables, 1/49 constraints. Problems are: Problem set: 0 solved, 496 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/527 variables, 2/51 constraints. Problems are: Problem set: 0 solved, 496 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/527 variables, 0/51 constraints. Problems are: Problem set: 0 solved, 496 unsolved
At refinement iteration 6 (OVERLAPS) 497/1024 variables, 527/578 constraints. Problems are: Problem set: 0 solved, 496 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/1024 variables, 496/1074 constraints. Problems are: Problem set: 0 solved, 496 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 1024/1024 variables, and 1074 constraints, problems are : Problem set: 0 solved, 496 unsolved in 30028 ms.
Refiners :[Positive P Invariants (semi-flows): 2/2 constraints, Generalized P Invariants (flows): 47/47 constraints, State Equation: 527/527 constraints, PredecessorRefiner: 496/496 constraints, Known Traps: 2/2 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 60084ms problems are : Problem set: 0 solved, 496 unsolved
Search for dead transitions found 0 dead transitions in 60087ms
Finished structural reductions in LTL mode , in 1 iterations and 61872 ms. Remains : 527/527 places, 497/497 transitions.
Stuttering acceptance computed with spot in 163 ms :[true, (NOT p1), (AND (NOT p1) (NOT p0)), (NOT p0), (AND (NOT p1) (NOT p0)), (AND (NOT p0) (NOT p1))]
Running random walk in product with property : DoubleExponent-PT-010-LTLFireability-11
Product exploration explored 100000 steps with 3277 reset in 158 ms.
Product exploration explored 100000 steps with 3336 reset in 158 ms.
Computed a total of 7 stabilizing places and 7 stable transitions
Graph (complete) has 895 edges and 527 vertex of which 525 are kept as prefixes of interest. Removing 2 places using SCC suffix rule.2 ms
Computed a total of 7 stabilizing places and 7 stable transitions
Knowledge obtained : [(AND p1 p0), (X p0), (X (X (NOT (AND (NOT p0) (NOT p1))))), (X (X (NOT (AND p0 (NOT p1))))), (X (X (NOT (AND (NOT p0) p1)))), (X (X (AND p0 p1))), (X (X p1)), (X (X p0))]
False Knowledge obtained : []
Knowledge based reduction with 8 factoid took 77 ms. Reduced automaton from 6 states, 12 edges and 2 AP (stutter sensitive) to 6 states, 11 edges and 2 AP (stutter sensitive).
Stuttering acceptance computed with spot in 166 ms :[true, (NOT p1), (NOT p0), (AND (NOT p1) (NOT p0)), (AND (NOT p1) (NOT p0)), (AND (NOT p1) (NOT p0))]
RANDOM walk for 40000 steps (1342 resets) in 210 ms. (189 steps per ms) remains 6/6 properties
BEST_FIRST walk for 40002 steps (1131 resets) in 131 ms. (303 steps per ms) remains 6/6 properties
BEST_FIRST walk for 40001 steps (1126 resets) in 135 ms. (294 steps per ms) remains 6/6 properties
BEST_FIRST walk for 40000 steps (1105 resets) in 84 ms. (470 steps per ms) remains 6/6 properties
BEST_FIRST walk for 40000 steps (1159 resets) in 97 ms. (408 steps per ms) remains 6/6 properties
BEST_FIRST walk for 40000 steps (1124 resets) in 115 ms. (344 steps per ms) remains 6/6 properties
BEST_FIRST walk for 40001 steps (1123 resets) in 137 ms. (289 steps per ms) remains 6/6 properties
Interrupted probabilistic random walk after 251799 steps, run timeout after 3001 ms. (steps per millisecond=83 ) properties seen :0 out of 6
Probabilistic random walk after 251799 steps, saw 125912 distinct states, run finished after 3001 ms. (steps per millisecond=83 ) properties seen :0
[2025-06-01 00:40:05] [INFO ] Invariant cache hit.
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, 6 unsolved
At refinement iteration 1 (OVERLAPS) 53/56 variables, 3/3 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/56 variables, 0/3 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 3 (OVERLAPS) 110/166 variables, 13/16 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/166 variables, 0/16 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 5 (OVERLAPS) 106/272 variables, 10/26 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/272 variables, 0/26 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 7 (OVERLAPS) 120/392 variables, 13/39 constraints. Problems are: Problem set: 0 solved, 6 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 00:40:05] [INFO ] Deduced a trap composed of 16 places in 79 ms of which 5 ms to minimize.
At refinement iteration 8 (INCLUDED_ONLY) 0/392 variables, 1/40 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/392 variables, 0/40 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 10 (OVERLAPS) 6/398 variables, 2/42 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/398 variables, 0/42 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 12 (OVERLAPS) 36/434 variables, 6/48 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 13 (INCLUDED_ONLY) 0/434 variables, 0/48 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 14 (OVERLAPS) 16/450 variables, 2/50 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 15 (INCLUDED_ONLY) 0/450 variables, 0/50 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 16 (OVERLAPS) 471/921 variables, 450/500 constraints. Problems are: Problem set: 0 solved, 6 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 00:40:06] [INFO ] Deduced a trap along path composed of 17 places in 45 ms of which 1 ms to minimize.
At refinement iteration 17 (INCLUDED_ONLY) 0/921 variables, 1/501 constraints. Problems are: Problem set: 0 solved, 6 unsolved
All remaining problems are real, not stopping.
At refinement iteration 18 (INCLUDED_ONLY) 0/921 variables, 0/501 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 19 (OVERLAPS) 89/1010 variables, 69/570 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 20 (INCLUDED_ONLY) 0/1010 variables, 0/570 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 21 (OVERLAPS) 8/1018 variables, 4/574 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 22 (INCLUDED_ONLY) 0/1018 variables, 0/574 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 23 (OVERLAPS) 5/1023 variables, 3/577 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 24 (INCLUDED_ONLY) 0/1023 variables, 0/577 constraints. Problems are: Problem set: 0 solved, 6 unsolved
Problem apf2 is UNSAT
At refinement iteration 25 (OVERLAPS) 1/1024 variables, 1/578 constraints. Problems are: Problem set: 1 solved, 5 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 00:40:07] [INFO ] Deduced a trap composed of 29 places in 125 ms of which 12 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 00:40:07] [INFO ] Deduced a trap composed of 77 places in 93 ms of which 12 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 00:40:07] [INFO ] Deduced a trap composed of 72 places in 109 ms of which 13 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 00:40:07] [INFO ] Deduced a trap composed of 53 places in 111 ms of which 9 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 00:40:07] [INFO ] Deduced a trap composed of 55 places in 116 ms of which 13 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 00:40:07] [INFO ] Deduced a trap composed of 65 places in 91 ms of which 10 ms to minimize.
At refinement iteration 26 (INCLUDED_ONLY) 0/1024 variables, 6/584 constraints. Problems are: Problem set: 1 solved, 5 unsolved
At refinement iteration 27 (INCLUDED_ONLY) 0/1024 variables, 0/584 constraints. Problems are: Problem set: 1 solved, 5 unsolved
At refinement iteration 28 (OVERLAPS) 0/1024 variables, 0/584 constraints. Problems are: Problem set: 1 solved, 5 unsolved
No progress, stopping.
After SMT solving in domain Real declared 1024/1024 variables, and 584 constraints, problems are : Problem set: 1 solved, 5 unsolved in 2704 ms.
Refiners :[Positive P Invariants (semi-flows): 2/2 constraints, Generalized P Invariants (flows): 47/47 constraints, State Equation: 527/527 constraints, PredecessorRefiner: 6/6 constraints, Known Traps: 7/7 constraints, Known Traps Along Path: 1/1 constraints]
Escalating to Integer solving :Problem set: 1 solved, 5 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: 1 solved, 5 unsolved
At refinement iteration 1 (OVERLAPS) 53/56 variables, 3/3 constraints. Problems are: Problem set: 1 solved, 5 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/56 variables, 0/3 constraints. Problems are: Problem set: 1 solved, 5 unsolved
At refinement iteration 3 (OVERLAPS) 110/166 variables, 13/16 constraints. Problems are: Problem set: 1 solved, 5 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/166 variables, 0/16 constraints. Problems are: Problem set: 1 solved, 5 unsolved
At refinement iteration 5 (OVERLAPS) 106/272 variables, 10/26 constraints. Problems are: Problem set: 1 solved, 5 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/272 variables, 0/26 constraints. Problems are: Problem set: 1 solved, 5 unsolved
At refinement iteration 7 (OVERLAPS) 120/392 variables, 13/39 constraints. Problems are: Problem set: 1 solved, 5 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/392 variables, 1/40 constraints. Problems are: Problem set: 1 solved, 5 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/392 variables, 0/40 constraints. Problems are: Problem set: 1 solved, 5 unsolved
At refinement iteration 10 (OVERLAPS) 6/398 variables, 2/42 constraints. Problems are: Problem set: 1 solved, 5 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/398 variables, 0/42 constraints. Problems are: Problem set: 1 solved, 5 unsolved
At refinement iteration 12 (OVERLAPS) 36/434 variables, 6/48 constraints. Problems are: Problem set: 1 solved, 5 unsolved
At refinement iteration 13 (INCLUDED_ONLY) 0/434 variables, 0/48 constraints. Problems are: Problem set: 1 solved, 5 unsolved
At refinement iteration 14 (OVERLAPS) 16/450 variables, 2/50 constraints. Problems are: Problem set: 1 solved, 5 unsolved
At refinement iteration 15 (INCLUDED_ONLY) 0/450 variables, 0/50 constraints. Problems are: Problem set: 1 solved, 5 unsolved
At refinement iteration 16 (OVERLAPS) 471/921 variables, 450/500 constraints. Problems are: Problem set: 1 solved, 5 unsolved
At refinement iteration 17 (INCLUDED_ONLY) 0/921 variables, 1/501 constraints. Problems are: Problem set: 1 solved, 5 unsolved
At refinement iteration 18 (INCLUDED_ONLY) 0/921 variables, 1/502 constraints. Problems are: Problem set: 1 solved, 5 unsolved
At refinement iteration 19 (INCLUDED_ONLY) 0/921 variables, 0/502 constraints. Problems are: Problem set: 1 solved, 5 unsolved
At refinement iteration 20 (OVERLAPS) 89/1010 variables, 69/571 constraints. Problems are: Problem set: 1 solved, 5 unsolved
At refinement iteration 21 (INCLUDED_ONLY) 0/1010 variables, 4/575 constraints. Problems are: Problem set: 1 solved, 5 unsolved
At refinement iteration 22 (INCLUDED_ONLY) 0/1010 variables, 6/581 constraints. Problems are: Problem set: 1 solved, 5 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 00:40:08] [INFO ] Deduced a trap composed of 41 places in 99 ms of which 11 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 00:40:09] [INFO ] Deduced a trap composed of 43 places in 99 ms of which 11 ms to minimize.
At refinement iteration 23 (INCLUDED_ONLY) 0/1010 variables, 2/583 constraints. Problems are: Problem set: 1 solved, 5 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 00:40:09] [INFO ] Deduced a trap along path composed of 16 places in 74 ms of which 0 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 00:40:09] [INFO ] Deduced a trap along path composed of 16 places in 50 ms of which 1 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 00:40:09] [INFO ] Deduced a trap along path composed of 24 places in 56 ms of which 1 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 00:40:11] [INFO ] Deduced a trap along path composed of 5 places in 29 ms of which 0 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 00:40:11] [INFO ] Deduced a trap along path composed of 5 places in 36 ms of which 1 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 00:40:11] [INFO ] Deduced a trap along path composed of 17 places in 31 ms of which 1 ms to minimize.
At refinement iteration 24 (INCLUDED_ONLY) 0/1010 variables, 6/589 constraints. Problems are: Problem set: 1 solved, 5 unsolved
At refinement iteration 25 (INCLUDED_ONLY) 0/1010 variables, 0/589 constraints. Problems are: Problem set: 1 solved, 5 unsolved
At refinement iteration 26 (OVERLAPS) 8/1018 variables, 4/593 constraints. Problems are: Problem set: 1 solved, 5 unsolved
At refinement iteration 27 (INCLUDED_ONLY) 0/1018 variables, 0/593 constraints. Problems are: Problem set: 1 solved, 5 unsolved
At refinement iteration 28 (OVERLAPS) 5/1023 variables, 3/596 constraints. Problems are: Problem set: 1 solved, 5 unsolved
At refinement iteration 29 (INCLUDED_ONLY) 0/1023 variables, 0/596 constraints. Problems are: Problem set: 1 solved, 5 unsolved
At refinement iteration 30 (OVERLAPS) 1/1024 variables, 1/597 constraints. Problems are: Problem set: 1 solved, 5 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 00:40:12] [INFO ] Deduced a trap composed of 67 places in 78 ms of which 11 ms to minimize.
At refinement iteration 31 (INCLUDED_ONLY) 0/1024 variables, 1/598 constraints. Problems are: Problem set: 1 solved, 5 unsolved
At refinement iteration 32 (INCLUDED_ONLY) 0/1024 variables, 0/598 constraints. Problems are: Problem set: 1 solved, 5 unsolved
At refinement iteration 33 (OVERLAPS) 0/1024 variables, 0/598 constraints. Problems are: Problem set: 1 solved, 5 unsolved
No progress, stopping.
After SMT solving in domain Int declared 1024/1024 variables, and 598 constraints, problems are : Problem set: 1 solved, 5 unsolved in 5008 ms.
Refiners :[Positive P Invariants (semi-flows): 2/2 constraints, Generalized P Invariants (flows): 47/47 constraints, State Equation: 527/527 constraints, PredecessorRefiner: 5/6 constraints, Known Traps: 10/10 constraints, Known Traps Along Path: 7/7 constraints]
After SMT, in 7718ms problems are : Problem set: 1 solved, 5 unsolved
Fused 5 Parikh solutions to 1 different solutions.
Parikh walk visited 0 properties in 729 ms.
Support contains 3 out of 527 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 527/527 places, 497/497 transitions.
Graph (complete) has 895 edges and 527 vertex of which 525 are kept as prefixes of interest. Removing 2 places using SCC suffix rule.0 ms
Discarding 2 places :
Also discarding 1 output transitions
Drop transitions (Output transitions of discarded places.) removed 1 transitions
Drop transitions (Empty/Sink Transition effects.) removed 1 transitions
Reduce isomorphic transitions removed 1 transitions.
Drop transitions (Trivial Post-Agglo cleanup.) removed 118 transitions
Trivial Post-agglo rules discarded 118 transitions
Performed 118 trivial Post agglomeration. Transition count delta: 118
Iterating post reduction 0 with 119 rules applied. Total rules applied 120 place count 525 transition count 377
Reduce places removed 118 places and 0 transitions.
Performed 1 Post agglomeration using F-continuation condition.Transition count delta: 1
Iterating post reduction 1 with 119 rules applied. Total rules applied 239 place count 407 transition count 376
Reduce places removed 1 places and 0 transitions.
Iterating post reduction 2 with 1 rules applied. Total rules applied 240 place count 406 transition count 376
Performed 22 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 3 with 22 Pre rules applied. Total rules applied 240 place count 406 transition count 354
Deduced a syphon composed of 22 places in 1 ms
Reduce places removed 22 places and 0 transitions.
Iterating global reduction 3 with 44 rules applied. Total rules applied 284 place count 384 transition count 354
Performed 91 Post agglomeration using F-continuation condition.Transition count delta: 91
Deduced a syphon composed of 91 places in 0 ms
Reduce places removed 91 places and 0 transitions.
Iterating global reduction 3 with 182 rules applied. Total rules applied 466 place count 293 transition count 263
Performed 17 Post agglomeration using F-continuation condition.Transition count delta: 0
Deduced a syphon composed of 17 places in 0 ms
Reduce places removed 17 places and 0 transitions.
Iterating global reduction 3 with 34 rules applied. Total rules applied 500 place count 276 transition count 263
Free-agglomeration rule applied 1 times.
Iterating global reduction 3 with 1 rules applied. Total rules applied 501 place count 276 transition count 262
Reduce places removed 1 places and 0 transitions.
Iterating post reduction 3 with 1 rules applied. Total rules applied 502 place count 275 transition count 262
Free-agglomeration rule (complex) applied 40 times.
Iterating global reduction 4 with 40 rules applied. Total rules applied 542 place count 275 transition count 222
Reduce places removed 40 places and 0 transitions.
Iterating post reduction 4 with 40 rules applied. Total rules applied 582 place count 235 transition count 222
Partial Free-agglomeration rule applied 40 times.
Drop transitions (Partial Free agglomeration) removed 40 transitions
Iterating global reduction 5 with 40 rules applied. Total rules applied 622 place count 235 transition count 222
Reduce places removed 1 places and 1 transitions.
Iterating global reduction 5 with 1 rules applied. Total rules applied 623 place count 234 transition count 221
Applied a total of 623 rules in 36 ms. Remains 234 /527 variables (removed 293) and now considering 221/497 (removed 276) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 36 ms. Remains : 234/527 places, 221/497 transitions.
RANDOM walk for 40000 steps (5103 resets) in 95 ms. (416 steps per ms) remains 5/5 properties
BEST_FIRST walk for 40002 steps (3381 resets) in 72 ms. (547 steps per ms) remains 5/5 properties
BEST_FIRST walk for 40000 steps (3392 resets) in 107 ms. (370 steps per ms) remains 5/5 properties
BEST_FIRST walk for 40001 steps (3320 resets) in 98 ms. (404 steps per ms) remains 5/5 properties
BEST_FIRST walk for 40002 steps (3393 resets) in 73 ms. (540 steps per ms) remains 5/5 properties
BEST_FIRST walk for 40001 steps (3416 resets) in 125 ms. (317 steps per ms) remains 5/5 properties
Interrupted probabilistic random walk after 323741 steps, run timeout after 3001 ms. (steps per millisecond=107 ) properties seen :0 out of 5
Probabilistic random walk after 323741 steps, saw 161959 distinct states, run finished after 3001 ms. (steps per millisecond=107 ) properties seen :0
// Phase 1: matrix 221 rows 234 cols
[2025-06-01 00:40:17] [INFO ] Computed 49 invariants in 9 ms
[2025-06-01 00:40:17] [INFO ] State equation strengthened by 37 read => feed constraints.
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, 5 unsolved
At refinement iteration 1 (OVERLAPS) 71/74 variables, 6/6 constraints. Problems are: Problem set: 0 solved, 5 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/74 variables, 0/6 constraints. Problems are: Problem set: 0 solved, 5 unsolved
At refinement iteration 3 (OVERLAPS) 49/123 variables, 1/7 constraints. Problems are: Problem set: 0 solved, 5 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 00:40:17] [INFO ] Deduced a trap composed of 84 places in 64 ms of which 7 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 00:40:17] [INFO ] Deduced a trap composed of 88 places in 55 ms of which 6 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 00:40:17] [INFO ] Deduced a trap composed of 16 places in 54 ms of which 6 ms to minimize.
At refinement iteration 4 (INCLUDED_ONLY) 0/123 variables, 3/10 constraints. Problems are: Problem set: 0 solved, 5 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/123 variables, 0/10 constraints. Problems are: Problem set: 0 solved, 5 unsolved
At refinement iteration 6 (OVERLAPS) 104/227 variables, 39/49 constraints. Problems are: Problem set: 0 solved, 5 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 00:40:17] [INFO ] Deduced a trap composed of 4 places in 117 ms of which 8 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 00:40:17] [INFO ] Deduced a trap composed of 7 places in 103 ms of which 8 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 00:40:17] [INFO ] Deduced a trap composed of 10 places in 100 ms of which 11 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 00:40:17] [INFO ] Deduced a trap composed of 10 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 00:40:17] [INFO ] Deduced a trap composed of 13 places in 101 ms of which 12 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 00:40:18] [INFO ] Deduced a trap composed of 14 places in 104 ms of which 12 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 00:40:18] [INFO ] Deduced a trap composed of 18 places in 105 ms of which 15 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 00:40:18] [INFO ] Deduced a trap composed of 19 places in 104 ms of which 16 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 00:40:18] [INFO ] Deduced a trap composed of 22 places in 114 ms of which 16 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 00:40:18] [INFO ] Deduced a trap composed of 24 places in 117 ms of which 17 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 00:40:18] [INFO ] Deduced a trap composed of 37 places in 155 ms of which 59 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 00:40:18] [INFO ] Deduced a trap composed of 38 places in 122 ms of which 38 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 00:40:19] [INFO ] Deduced a trap composed of 40 places in 167 ms of which 68 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 00:40:19] [INFO ] Deduced a trap composed of 40 places in 164 ms of which 74 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 00:40:19] [INFO ] Deduced a trap composed of 15 places in 65 ms of which 5 ms to minimize.
At refinement iteration 7 (INCLUDED_ONLY) 0/227 variables, 15/64 constraints. Problems are: Problem set: 0 solved, 5 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/227 variables, 0/64 constraints. Problems are: Problem set: 0 solved, 5 unsolved
At refinement iteration 9 (OVERLAPS) 2/229 variables, 1/65 constraints. Problems are: Problem set: 0 solved, 5 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/229 variables, 0/65 constraints. Problems are: Problem set: 0 solved, 5 unsolved
At refinement iteration 11 (OVERLAPS) 221/450 variables, 229/294 constraints. Problems are: Problem set: 0 solved, 5 unsolved
At refinement iteration 12 (INCLUDED_ONLY) 0/450 variables, 37/331 constraints. Problems are: Problem set: 0 solved, 5 unsolved
At refinement iteration 13 (INCLUDED_ONLY) 0/450 variables, 0/331 constraints. Problems are: Problem set: 0 solved, 5 unsolved
At refinement iteration 14 (OVERLAPS) 5/455 variables, 5/336 constraints. Problems are: Problem set: 0 solved, 5 unsolved
All remaining problems are real, not stopping.
At refinement iteration 15 (INCLUDED_ONLY) 0/455 variables, 2/338 constraints. Problems are: Problem set: 0 solved, 5 unsolved
At refinement iteration 16 (INCLUDED_ONLY) 0/455 variables, 0/338 constraints. Problems are: Problem set: 0 solved, 5 unsolved
At refinement iteration 17 (OVERLAPS) 0/455 variables, 0/338 constraints. Problems are: Problem set: 0 solved, 5 unsolved
No progress, stopping.
After SMT solving in domain Real declared 455/455 variables, and 338 constraints, problems are : Problem set: 0 solved, 5 unsolved in 2626 ms.
Refiners :[Positive P Invariants (semi-flows): 3/3 constraints, Generalized P Invariants (flows): 46/46 constraints, State Equation: 234/234 constraints, ReadFeed: 37/37 constraints, PredecessorRefiner: 5/5 constraints, Known Traps: 18/18 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 5 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, 5 unsolved
At refinement iteration 1 (OVERLAPS) 71/74 variables, 6/6 constraints. Problems are: Problem set: 0 solved, 5 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/74 variables, 0/6 constraints. Problems are: Problem set: 0 solved, 5 unsolved
At refinement iteration 3 (OVERLAPS) 49/123 variables, 1/7 constraints. Problems are: Problem set: 0 solved, 5 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/123 variables, 4/11 constraints. Problems are: Problem set: 0 solved, 5 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/123 variables, 0/11 constraints. Problems are: Problem set: 0 solved, 5 unsolved
At refinement iteration 6 (OVERLAPS) 104/227 variables, 39/50 constraints. Problems are: Problem set: 0 solved, 5 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/227 variables, 14/64 constraints. Problems are: Problem set: 0 solved, 5 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 00:40:19] [INFO ] Deduced a trap composed of 6 places in 74 ms of which 6 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 00:40:20] [INFO ] Deduced a trap composed of 9 places in 84 ms of which 6 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 00:40:20] [INFO ] Deduced a trap composed of 10 places in 117 ms of which 11 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 00:40:20] [INFO ] Deduced a trap composed of 11 places in 115 ms of which 11 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 00:40:20] [INFO ] Deduced a trap composed of 13 places in 118 ms of which 12 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 00:40:20] [INFO ] Deduced a trap composed of 16 places in 117 ms of which 14 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 00:40:20] [INFO ] Deduced a trap composed of 18 places in 101 ms of which 15 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 00:40:20] [INFO ] Deduced a trap composed of 19 places in 102 ms of which 14 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 00:40:20] [INFO ] Deduced a trap composed of 21 places in 114 ms of which 15 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 00:40:20] [INFO ] Deduced a trap composed of 22 places in 111 ms of which 15 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 00:40:21] [INFO ] Deduced a trap composed of 22 places in 50 ms of which 4 ms to minimize.
At refinement iteration 8 (INCLUDED_ONLY) 0/227 variables, 11/75 constraints. Problems are: Problem set: 0 solved, 5 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/227 variables, 0/75 constraints. Problems are: Problem set: 0 solved, 5 unsolved
At refinement iteration 10 (OVERLAPS) 2/229 variables, 1/76 constraints. Problems are: Problem set: 0 solved, 5 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 00:40:21] [INFO ] Deduced a trap composed of 4 places in 76 ms of which 4 ms to minimize.
At refinement iteration 11 (INCLUDED_ONLY) 0/229 variables, 1/77 constraints. Problems are: Problem set: 0 solved, 5 unsolved
At refinement iteration 12 (INCLUDED_ONLY) 0/229 variables, 0/77 constraints. Problems are: Problem set: 0 solved, 5 unsolved
At refinement iteration 13 (OVERLAPS) 221/450 variables, 229/306 constraints. Problems are: Problem set: 0 solved, 5 unsolved
At refinement iteration 14 (INCLUDED_ONLY) 0/450 variables, 37/343 constraints. Problems are: Problem set: 0 solved, 5 unsolved
At refinement iteration 15 (INCLUDED_ONLY) 0/450 variables, 5/348 constraints. Problems are: Problem set: 0 solved, 5 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 00:40:21] [INFO ] Deduced a trap composed of 12 places in 110 ms of which 11 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 00:40:21] [INFO ] Deduced a trap composed of 19 places in 117 ms of which 14 ms to minimize.
At refinement iteration 16 (INCLUDED_ONLY) 0/450 variables, 2/350 constraints. Problems are: Problem set: 0 solved, 5 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 00:40:22] [INFO ] Deduced a trap composed of 21 places in 115 ms of which 13 ms to minimize.
At refinement iteration 17 (INCLUDED_ONLY) 0/450 variables, 1/351 constraints. Problems are: Problem set: 0 solved, 5 unsolved
At refinement iteration 18 (INCLUDED_ONLY) 0/450 variables, 0/351 constraints. Problems are: Problem set: 0 solved, 5 unsolved
At refinement iteration 19 (OVERLAPS) 5/455 variables, 5/356 constraints. Problems are: Problem set: 0 solved, 5 unsolved
At refinement iteration 20 (INCLUDED_ONLY) 0/455 variables, 2/358 constraints. Problems are: Problem set: 0 solved, 5 unsolved
At refinement iteration 21 (INCLUDED_ONLY) 0/455 variables, 0/358 constraints. Problems are: Problem set: 0 solved, 5 unsolved
At refinement iteration 22 (OVERLAPS) 0/455 variables, 0/358 constraints. Problems are: Problem set: 0 solved, 5 unsolved
No progress, stopping.
After SMT solving in domain Int declared 455/455 variables, and 358 constraints, problems are : Problem set: 0 solved, 5 unsolved in 3255 ms.
Refiners :[Positive P Invariants (semi-flows): 3/3 constraints, Generalized P Invariants (flows): 46/46 constraints, State Equation: 234/234 constraints, ReadFeed: 37/37 constraints, PredecessorRefiner: 5/5 constraints, Known Traps: 33/33 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 5901ms problems are : Problem set: 0 solved, 5 unsolved
Fused 5 Parikh solutions to 2 different solutions.
Parikh walk visited 0 properties in 1878 ms.
Support contains 3 out of 234 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 234/234 places, 221/221 transitions.
Applied a total of 0 rules in 4 ms. Remains 234 /234 variables (removed 0) and now considering 221/221 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 5 ms. Remains : 234/234 places, 221/221 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 234/234 places, 221/221 transitions.
Applied a total of 0 rules in 3 ms. Remains 234 /234 variables (removed 0) and now considering 221/221 (removed 0) transitions.
[2025-06-01 00:40:24] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-01 00:40:25] [INFO ] Implicit Places using invariants in 963 ms returned [20, 26, 46, 51, 72, 77, 98, 104, 125, 130, 131, 151, 156, 178, 184, 191, 225, 231]
[2025-06-01 00:40:25] [INFO ] Actually due to overlaps returned [191, 130]
Discarding 2 places :
Implicit Place search using SMT only with invariants took 965 ms to find 2 implicit places.
Starting structural reductions in REACHABILITY mode, iteration 1 : 232/234 places, 221/221 transitions.
Free-agglomeration rule (complex) applied 1 times.
Iterating global reduction 0 with 1 rules applied. Total rules applied 1 place count 232 transition count 220
Reduce places removed 1 places and 0 transitions.
Iterating post reduction 0 with 1 rules applied. Total rules applied 2 place count 231 transition count 220
Applied a total of 2 rules in 12 ms. Remains 231 /232 variables (removed 1) and now considering 220/221 (removed 1) transitions.
// Phase 1: matrix 220 rows 231 cols
[2025-06-01 00:40:25] [INFO ] Computed 47 invariants in 11 ms
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-01 00:40:26] [INFO ] Implicit Places using invariants in 798 ms returned [20, 26, 46, 51, 72, 77, 98, 104, 125, 130, 150, 155, 177, 183, 222, 228]
[2025-06-01 00:40:26] [INFO ] Actually due to overlaps returned [228, 222]
Discarding 2 places :
Implicit Place search using SMT only with invariants took 801 ms to find 2 implicit places.
Starting structural reductions in REACHABILITY mode, iteration 2 : 229/234 places, 220/221 transitions.
Free-agglomeration rule (complex) applied 1 times.
Iterating global reduction 0 with 1 rules applied. Total rules applied 1 place count 229 transition count 219
Reduce places removed 1 places and 0 transitions.
Iterating post reduction 0 with 1 rules applied. Total rules applied 2 place count 228 transition count 219
Applied a total of 2 rules in 11 ms. Remains 228 /229 variables (removed 1) and now considering 219/220 (removed 1) transitions.
// Phase 1: matrix 219 rows 228 cols
[2025-06-01 00:40:26] [INFO ] Computed 45 invariants in 13 ms
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-01 00:40:27] [INFO ] Implicit Places using invariants in 648 ms returned [20, 26, 46, 51, 72, 77, 98, 104, 125, 130, 150, 155, 177, 183]
[2025-06-01 00:40:27] [INFO ] Actually due to overlaps returned [26, 20]
Discarding 2 places :
Implicit Place search using SMT only with invariants took 650 ms to find 2 implicit places.
Starting structural reductions in REACHABILITY mode, iteration 3 : 226/234 places, 219/221 transitions.
Free-agglomeration rule (complex) applied 1 times.
Iterating global reduction 0 with 1 rules applied. Total rules applied 1 place count 226 transition count 218
Reduce places removed 1 places and 0 transitions.
Iterating post reduction 0 with 1 rules applied. Total rules applied 2 place count 225 transition count 218
Applied a total of 2 rules in 8 ms. Remains 225 /226 variables (removed 1) and now considering 218/219 (removed 1) transitions.
// Phase 1: matrix 218 rows 225 cols
[2025-06-01 00:40:27] [INFO ] Computed 43 invariants in 17 ms
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-01 00:40:27] [INFO ] Implicit Places using invariants in 551 ms returned [43, 48, 69, 74, 95, 101, 122, 127, 147, 152, 174, 180]
[2025-06-01 00:40:27] [INFO ] Actually due to overlaps returned [48, 43]
Discarding 2 places :
Implicit Place search using SMT only with invariants took 553 ms to find 2 implicit places.
Starting structural reductions in REACHABILITY mode, iteration 4 : 223/234 places, 218/221 transitions.
Free-agglomeration rule (complex) applied 1 times.
Iterating global reduction 0 with 1 rules applied. Total rules applied 1 place count 223 transition count 217
Reduce places removed 1 places and 0 transitions.
Iterating post reduction 0 with 1 rules applied. Total rules applied 2 place count 222 transition count 217
Applied a total of 2 rules in 11 ms. Remains 222 /223 variables (removed 1) and now considering 217/218 (removed 1) transitions.
// Phase 1: matrix 217 rows 222 cols
[2025-06-01 00:40:27] [INFO ] Computed 41 invariants in 15 ms
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-01 00:40:28] [INFO ] Implicit Places using invariants in 498 ms returned [66, 71, 92, 98, 119, 124, 144, 149, 171, 177]
[2025-06-01 00:40:28] [INFO ] Actually due to overlaps returned [71, 66]
Discarding 2 places :
Implicit Place search using SMT only with invariants took 500 ms to find 2 implicit places.
Starting structural reductions in REACHABILITY mode, iteration 5 : 220/234 places, 217/221 transitions.
Free-agglomeration rule (complex) applied 1 times.
Iterating global reduction 0 with 1 rules applied. Total rules applied 1 place count 220 transition count 216
Reduce places removed 1 places and 0 transitions.
Iterating post reduction 0 with 1 rules applied. Total rules applied 2 place count 219 transition count 216
Applied a total of 2 rules in 10 ms. Remains 219 /220 variables (removed 1) and now considering 216/217 (removed 1) transitions.
// Phase 1: matrix 216 rows 219 cols
[2025-06-01 00:40:28] [INFO ] Computed 39 invariants in 17 ms
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-01 00:40:28] [INFO ] Implicit Places using invariants in 437 ms returned [89, 95, 116, 121, 141, 146, 168, 174]
[2025-06-01 00:40:28] [INFO ] Actually due to overlaps returned [95, 89]
Discarding 2 places :
Implicit Place search using SMT only with invariants took 438 ms to find 2 implicit places.
Starting structural reductions in REACHABILITY mode, iteration 6 : 217/234 places, 216/221 transitions.
Free-agglomeration rule (complex) applied 1 times.
Iterating global reduction 0 with 1 rules applied. Total rules applied 1 place count 217 transition count 215
Reduce places removed 1 places and 0 transitions.
Iterating post reduction 0 with 1 rules applied. Total rules applied 2 place count 216 transition count 215
Applied a total of 2 rules in 11 ms. Remains 216 /217 variables (removed 1) and now considering 215/216 (removed 1) transitions.
// Phase 1: matrix 215 rows 216 cols
[2025-06-01 00:40:28] [INFO ] Computed 37 invariants in 16 ms
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-01 00:40:29] [INFO ] Implicit Places using invariants in 379 ms returned [113, 118, 138, 143, 165, 171]
[2025-06-01 00:40:29] [INFO ] Actually due to overlaps returned [118, 113]
Discarding 2 places :
Implicit Place search using SMT only with invariants took 380 ms to find 2 implicit places.
Starting structural reductions in REACHABILITY mode, iteration 7 : 214/234 places, 215/221 transitions.
Free-agglomeration rule (complex) applied 1 times.
Iterating global reduction 0 with 1 rules applied. Total rules applied 1 place count 214 transition count 214
Reduce places removed 1 places and 0 transitions.
Iterating post reduction 0 with 1 rules applied. Total rules applied 2 place count 213 transition count 214
Applied a total of 2 rules in 9 ms. Remains 213 /214 variables (removed 1) and now considering 214/215 (removed 1) transitions.
// Phase 1: matrix 214 rows 213 cols
[2025-06-01 00:40:29] [INFO ] Computed 35 invariants in 6 ms
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-01 00:40:29] [INFO ] Implicit Places using invariants in 340 ms returned [135, 140, 162, 168]
[2025-06-01 00:40:29] [INFO ] Actually due to overlaps returned [140, 135]
Discarding 2 places :
Implicit Place search using SMT only with invariants took 341 ms to find 2 implicit places.
Starting structural reductions in REACHABILITY mode, iteration 8 : 211/234 places, 214/221 transitions.
Free-agglomeration rule (complex) applied 1 times.
Iterating global reduction 0 with 1 rules applied. Total rules applied 1 place count 211 transition count 213
Reduce places removed 1 places and 0 transitions.
Iterating post reduction 0 with 1 rules applied. Total rules applied 2 place count 210 transition count 213
Applied a total of 2 rules in 9 ms. Remains 210 /211 variables (removed 1) and now considering 213/214 (removed 1) transitions.
// Phase 1: matrix 213 rows 210 cols
[2025-06-01 00:40:29] [INFO ] Computed 33 invariants in 14 ms
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-01 00:40:29] [INFO ] Implicit Places using invariants in 314 ms returned [159, 165]
Discarding 2 places :
Implicit Place search using SMT only with invariants took 315 ms to find 2 implicit places.
Starting structural reductions in REACHABILITY mode, iteration 9 : 208/234 places, 213/221 transitions.
Free-agglomeration rule (complex) applied 1 times.
Iterating global reduction 0 with 1 rules applied. Total rules applied 1 place count 208 transition count 212
Reduce places removed 1 places and 0 transitions.
Iterating post reduction 0 with 1 rules applied. Total rules applied 2 place count 207 transition count 212
Applied a total of 2 rules in 8 ms. Remains 207 /208 variables (removed 1) and now considering 212/213 (removed 1) transitions.
// Phase 1: matrix 212 rows 207 cols
[2025-06-01 00:40:29] [INFO ] Computed 31 invariants in 14 ms
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-01 00:40:30] [INFO ] Implicit Places using invariants in 309 ms returned []
[2025-06-01 00:40:30] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-01 00:40:30] [INFO ] State equation strengthened by 37 read => feed constraints.
[2025-06-01 00:40:32] [INFO ] Implicit Places using invariants and state equation in 2225 ms returned []
Implicit Place search using SMT with State Equation took 2534 ms to find 0 implicit places.
Starting structural reductions in REACHABILITY mode, iteration 10 : 207/234 places, 212/221 transitions.
Finished structural reductions in REACHABILITY mode , in 10 iterations and 7573 ms. Remains : 207/234 places, 212/221 transitions.
RANDOM walk for 40000 steps (5742 resets) in 110 ms. (360 steps per ms) remains 5/5 properties
BEST_FIRST walk for 40002 steps (3618 resets) in 62 ms. (634 steps per ms) remains 5/5 properties
BEST_FIRST walk for 40001 steps (3655 resets) in 51 ms. (769 steps per ms) remains 5/5 properties
BEST_FIRST walk for 40001 steps (3657 resets) in 51 ms. (769 steps per ms) remains 5/5 properties
BEST_FIRST walk for 40001 steps (3643 resets) in 51 ms. (769 steps per ms) remains 5/5 properties
BEST_FIRST walk for 40001 steps (3645 resets) in 52 ms. (754 steps per ms) remains 5/5 properties
Interrupted probabilistic random walk after 325910 steps, run timeout after 3001 ms. (steps per millisecond=108 ) properties seen :0 out of 5
Probabilistic random walk after 325910 steps, saw 162985 distinct states, run finished after 3001 ms. (steps per millisecond=108 ) properties seen :0
[2025-06-01 00:40:35] [INFO ] Invariant cache hit.
[2025-06-01 00:40:35] [INFO ] State equation strengthened by 37 read => feed constraints.
Starting Z3 with timeout 75.0 s and query timeout 7500.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/3 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 5 unsolved
At refinement iteration 1 (OVERLAPS) 130/133 variables, 7/7 constraints. Problems are: Problem set: 0 solved, 5 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 00:40:35] [INFO ] Deduced a trap composed of 3 places in 54 ms of which 2 ms to minimize.
At refinement iteration 2 (INCLUDED_ONLY) 0/133 variables, 1/8 constraints. Problems are: Problem set: 0 solved, 5 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/133 variables, 0/8 constraints. Problems are: Problem set: 0 solved, 5 unsolved
At refinement iteration 4 (OVERLAPS) 16/149 variables, 4/12 constraints. Problems are: Problem set: 0 solved, 5 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/149 variables, 0/12 constraints. Problems are: Problem set: 0 solved, 5 unsolved
At refinement iteration 6 (OVERLAPS) 53/202 variables, 18/30 constraints. Problems are: Problem set: 0 solved, 5 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/202 variables, 0/30 constraints. Problems are: Problem set: 0 solved, 5 unsolved
At refinement iteration 8 (OVERLAPS) 212/414 variables, 202/232 constraints. Problems are: Problem set: 0 solved, 5 unsolved
All remaining problems are real, not stopping.
At refinement iteration 9 (INCLUDED_ONLY) 0/414 variables, 37/269 constraints. Problems are: Problem set: 0 solved, 5 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/414 variables, 0/269 constraints. Problems are: Problem set: 0 solved, 5 unsolved
At refinement iteration 11 (OVERLAPS) 5/419 variables, 5/274 constraints. Problems are: Problem set: 0 solved, 5 unsolved
At refinement iteration 12 (INCLUDED_ONLY) 0/419 variables, 2/276 constraints. Problems are: Problem set: 0 solved, 5 unsolved
At refinement iteration 13 (INCLUDED_ONLY) 0/419 variables, 0/276 constraints. Problems are: Problem set: 0 solved, 5 unsolved
At refinement iteration 14 (OVERLAPS) 0/419 variables, 0/276 constraints. Problems are: Problem set: 0 solved, 5 unsolved
No progress, stopping.
After SMT solving in domain Real declared 419/419 variables, and 276 constraints, problems are : Problem set: 0 solved, 5 unsolved in 576 ms.
Refiners :[Positive P Invariants (semi-flows): 13/13 constraints, Generalized P Invariants (flows): 18/18 constraints, State Equation: 207/207 constraints, ReadFeed: 37/37 constraints, PredecessorRefiner: 5/5 constraints, Known Traps: 1/1 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 5 unsolved
Starting Z3 with timeout 75.0 s and query timeout 7500.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/3 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 5 unsolved
At refinement iteration 1 (OVERLAPS) 130/133 variables, 7/7 constraints. Problems are: Problem set: 0 solved, 5 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/133 variables, 1/8 constraints. Problems are: Problem set: 0 solved, 5 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 00:40:36] [INFO ] Deduced a trap composed of 78 places in 86 ms of which 15 ms to minimize.
At refinement iteration 3 (INCLUDED_ONLY) 0/133 variables, 1/9 constraints. Problems are: Problem set: 0 solved, 5 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/133 variables, 0/9 constraints. Problems are: Problem set: 0 solved, 5 unsolved
At refinement iteration 5 (OVERLAPS) 16/149 variables, 4/13 constraints. Problems are: Problem set: 0 solved, 5 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/149 variables, 0/13 constraints. Problems are: Problem set: 0 solved, 5 unsolved
At refinement iteration 7 (OVERLAPS) 53/202 variables, 18/31 constraints. Problems are: Problem set: 0 solved, 5 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 00:40:36] [INFO ] Deduced a trap composed of 4 places in 98 ms of which 8 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 00:40:36] [INFO ] Deduced a trap composed of 7 places in 91 ms of which 8 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 00:40:36] [INFO ] Deduced a trap composed of 7 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 00:40:36] [INFO ] Deduced a trap composed of 9 places in 97 ms of which 9 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 00:40:36] [INFO ] Deduced a trap composed of 10 places in 97 ms of which 10 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 00:40:37] [INFO ] Deduced a trap composed of 10 places in 84 ms of which 8 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 00:40:37] [INFO ] Deduced a trap composed of 13 places in 93 ms of which 10 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 00:40:37] [INFO ] Deduced a trap composed of 16 places in 95 ms of which 11 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 00:40:37] [INFO ] Deduced a trap composed of 16 places in 92 ms of which 11 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 00:40:37] [INFO ] Deduced a trap composed of 18 places in 92 ms of which 12 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 00:40:37] [INFO ] Deduced a trap composed of 19 places in 53 ms of which 4 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 00:40:37] [INFO ] Deduced a trap composed of 15 places in 93 ms of which 10 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 00:40:37] [INFO ] Deduced a trap composed of 19 places in 89 ms of which 13 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 00:40:37] [INFO ] Deduced a trap composed of 22 places in 85 ms of which 12 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 00:40:37] [INFO ] Deduced a trap composed of 22 places in 81 ms of which 13 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 00:40:37] [INFO ] Deduced a trap composed of 24 places in 83 ms of which 15 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 00:40:38] [INFO ] Deduced a trap composed of 25 places in 88 ms of which 15 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 00:40:38] [INFO ] Deduced a trap composed of 27 places in 84 ms of which 15 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 00:40:38] [INFO ] Deduced a trap composed of 28 places in 89 ms of which 17 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 00:40:38] [INFO ] Deduced a trap composed of 28 places in 85 ms of which 15 ms to minimize.
At refinement iteration 8 (INCLUDED_ONLY) 0/202 variables, 20/51 constraints. Problems are: Problem set: 0 solved, 5 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 00:40:38] [INFO ] Deduced a trap composed of 40 places in 118 ms of which 46 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 00:40:38] [INFO ] Deduced a trap composed of 41 places in 100 ms of which 27 ms to minimize.
At refinement iteration 9 (INCLUDED_ONLY) 0/202 variables, 2/53 constraints. Problems are: Problem set: 0 solved, 5 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/202 variables, 0/53 constraints. Problems are: Problem set: 0 solved, 5 unsolved
At refinement iteration 11 (OVERLAPS) 212/414 variables, 202/255 constraints. Problems are: Problem set: 0 solved, 5 unsolved
At refinement iteration 12 (INCLUDED_ONLY) 0/414 variables, 37/292 constraints. Problems are: Problem set: 0 solved, 5 unsolved
At refinement iteration 13 (INCLUDED_ONLY) 0/414 variables, 5/297 constraints. Problems are: Problem set: 0 solved, 5 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 00:40:38] [INFO ] Deduced a trap composed of 17 places in 58 ms of which 5 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 00:40:39] [INFO ] Deduced a trap composed of 12 places in 53 ms of which 4 ms to minimize.
At refinement iteration 14 (INCLUDED_ONLY) 0/414 variables, 2/299 constraints. Problems are: Problem set: 0 solved, 5 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 00:40:39] [INFO ] Deduced a trap composed of 42 places in 163 ms of which 86 ms to minimize.
At refinement iteration 15 (INCLUDED_ONLY) 0/414 variables, 1/300 constraints. Problems are: Problem set: 0 solved, 5 unsolved
At refinement iteration 16 (INCLUDED_ONLY) 0/414 variables, 0/300 constraints. Problems are: Problem set: 0 solved, 5 unsolved
At refinement iteration 17 (OVERLAPS) 5/419 variables, 5/305 constraints. Problems are: Problem set: 0 solved, 5 unsolved
At refinement iteration 18 (INCLUDED_ONLY) 0/419 variables, 2/307 constraints. Problems are: Problem set: 0 solved, 5 unsolved
At refinement iteration 19 (INCLUDED_ONLY) 0/419 variables, 0/307 constraints. Problems are: Problem set: 0 solved, 5 unsolved
At refinement iteration 20 (OVERLAPS) 0/419 variables, 0/307 constraints. Problems are: Problem set: 0 solved, 5 unsolved
No progress, stopping.
After SMT solving in domain Int declared 419/419 variables, and 307 constraints, problems are : Problem set: 0 solved, 5 unsolved in 3718 ms.
Refiners :[Positive P Invariants (semi-flows): 13/13 constraints, Generalized P Invariants (flows): 18/18 constraints, State Equation: 207/207 constraints, ReadFeed: 37/37 constraints, PredecessorRefiner: 5/5 constraints, Known Traps: 27/27 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 4297ms problems are : Problem set: 0 solved, 5 unsolved
Fused 5 Parikh solutions to 2 different solutions.
Parikh walk visited 0 properties in 1280 ms.
Support contains 3 out of 207 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 207/207 places, 212/212 transitions.
Applied a total of 0 rules in 2 ms. Remains 207 /207 variables (removed 0) and now considering 212/212 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 2 ms. Remains : 207/207 places, 212/212 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 207/207 places, 212/212 transitions.
Applied a total of 0 rules in 2 ms. Remains 207 /207 variables (removed 0) and now considering 212/212 (removed 0) transitions.
[2025-06-01 00:40:41] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-01 00:40:41] [INFO ] Implicit Places using invariants in 288 ms returned []
[2025-06-01 00:40:41] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-01 00:40:41] [INFO ] State equation strengthened by 37 read => feed constraints.
[2025-06-01 00:40:43] [INFO ] Implicit Places using invariants and state equation in 2224 ms returned []
Implicit Place search using SMT with State Equation took 2512 ms to find 0 implicit places.
Starting Z3 with timeout 200.0 s and query timeout 20000.0 ms
[2025-06-01 00:40:43] [INFO ] Redundant transitions in 1 ms returned []
Running 211 sub problems to find dead transitions.
[2025-06-01 00:40:43] [INFO ] Invariant cache hit.
[2025-06-01 00:40:43] [INFO ] State equation strengthened by 37 read => feed constraints.
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/206 variables, 2/2 constraints. Problems are: Problem set: 0 solved, 211 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/206 variables, 18/20 constraints. Problems are: Problem set: 0 solved, 211 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/206 variables, 0/20 constraints. Problems are: Problem set: 0 solved, 211 unsolved
At refinement iteration 3 (OVERLAPS) 1/207 variables, 11/31 constraints. Problems are: Problem set: 0 solved, 211 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/207 variables, 0/31 constraints. Problems are: Problem set: 0 solved, 211 unsolved
At refinement iteration 5 (OVERLAPS) 212/419 variables, 207/238 constraints. Problems are: Problem set: 0 solved, 211 unsolved
All remaining problems are real, not stopping.
At refinement iteration 6 (INCLUDED_ONLY) 0/419 variables, 37/275 constraints. Problems are: Problem set: 0 solved, 211 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/419 variables, 0/275 constraints. Problems are: Problem set: 0 solved, 211 unsolved
At refinement iteration 8 (OVERLAPS) 0/419 variables, 0/275 constraints. Problems are: Problem set: 0 solved, 211 unsolved
No progress, stopping.
After SMT solving in domain Real declared 419/419 variables, and 275 constraints, problems are : Problem set: 0 solved, 211 unsolved in 14154 ms.
Refiners :[Positive P Invariants (semi-flows): 13/13 constraints, Generalized P Invariants (flows): 18/18 constraints, State Equation: 207/207 constraints, ReadFeed: 37/37 constraints, PredecessorRefiner: 211/211 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 211 unsolved
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/206 variables, 2/2 constraints. Problems are: Problem set: 0 solved, 211 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/206 variables, 18/20 constraints. Problems are: Problem set: 0 solved, 211 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/206 variables, 0/20 constraints. Problems are: Problem set: 0 solved, 211 unsolved
At refinement iteration 3 (OVERLAPS) 1/207 variables, 11/31 constraints. Problems are: Problem set: 0 solved, 211 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/207 variables, 0/31 constraints. Problems are: Problem set: 0 solved, 211 unsolved
At refinement iteration 5 (OVERLAPS) 212/419 variables, 207/238 constraints. Problems are: Problem set: 0 solved, 211 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/419 variables, 37/275 constraints. Problems are: Problem set: 0 solved, 211 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/419 variables, 211/486 constraints. Problems are: Problem set: 0 solved, 211 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 00:41:08] [INFO ] Deduced a trap composed of 8 places in 68 ms of which 4 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 00:41:09] [INFO ] Deduced a trap composed of 29 places in 36 ms of which 2 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 00:41:14] [INFO ] Deduced a trap composed of 3 places in 69 ms of which 4 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 00:41:14] [INFO ] Deduced a trap composed of 4 places in 78 ms of which 4 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 00:41:15] [INFO ] Deduced a trap composed of 16 places in 85 ms of which 10 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 00:41:16] [INFO ] Deduced a trap composed of 9 places in 88 ms of which 7 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 00:41:16] [INFO ] Deduced a trap composed of 18 places in 77 ms of which 11 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 00:41:16] [INFO ] Deduced a trap composed of 21 places in 90 ms of which 12 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 00:41:16] [INFO ] Deduced a trap composed of 19 places in 85 ms of which 11 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 00:41:17] [INFO ] Deduced a trap composed of 22 places in 88 ms of which 12 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 00:41:17] [INFO ] Deduced a trap composed of 64 places in 91 ms of which 17 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 00:41:17] [INFO ] Deduced a trap composed of 65 places in 92 ms of which 21 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 00:41:18] [INFO ] Deduced a trap composed of 68 places in 93 ms of which 19 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 00:41:18] [INFO ] Deduced a trap composed of 67 places in 99 ms of which 28 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 00:41:18] [INFO ] Deduced a trap composed of 67 places in 90 ms of which 17 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 00:41:19] [INFO ] Deduced a trap composed of 69 places in 94 ms of which 20 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 00:41:19] [INFO ] Deduced a trap composed of 69 places in 93 ms of which 16 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 00:41:19] [INFO ] Deduced a trap composed of 69 places in 94 ms of which 22 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 00:41:19] [INFO ] Deduced a trap composed of 71 places in 89 ms of which 20 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 00:41:19] [INFO ] Deduced a trap composed of 71 places in 85 ms of which 16 ms to minimize.
At refinement iteration 8 (INCLUDED_ONLY) 0/419 variables, 20/506 constraints. Problems are: Problem set: 0 solved, 211 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 00:41:25] [INFO ] Deduced a trap composed of 20 places in 43 ms of which 3 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 00:41:26] [INFO ] Deduced a trap composed of 28 places in 41 ms of which 2 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 00:41:26] [INFO ] Deduced a trap composed of 27 places in 41 ms of which 3 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 00:41:26] [INFO ] Deduced a trap composed of 31 places in 35 ms of which 2 ms to minimize.
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 419/419 variables, and 510 constraints, problems are : Problem set: 0 solved, 211 unsolved in 30010 ms.
Refiners :[Positive P Invariants (semi-flows): 13/13 constraints, Generalized P Invariants (flows): 18/18 constraints, State Equation: 207/207 constraints, ReadFeed: 37/37 constraints, PredecessorRefiner: 211/211 constraints, Known Traps: 24/24 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 44210ms problems are : Problem set: 0 solved, 211 unsolved
Search for dead transitions found 0 dead transitions in 44211ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 46736 ms. Remains : 207/207 places, 212/212 transitions.
Attempting over-approximation, by ignoring read arcs.
Performed 17 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 0 with 17 Pre rules applied. Total rules applied 0 place count 207 transition count 195
Deduced a syphon composed of 17 places in 0 ms
Reduce places removed 17 places and 0 transitions.
Iterating global reduction 0 with 34 rules applied. Total rules applied 34 place count 190 transition count 195
Discarding 7 places :
Symmetric choice reduction at 0 with 7 rule applications. Total rules 41 place count 183 transition count 188
Iterating global reduction 0 with 7 rules applied. Total rules applied 48 place count 183 transition count 188
Performed 1 Post agglomeration using F-continuation condition.Transition count delta: 1
Deduced a syphon composed of 1 places in 1 ms
Reduce places removed 1 places and 0 transitions.
Iterating global reduction 0 with 2 rules applied. Total rules applied 50 place count 182 transition count 187
Free-agglomeration rule applied 1 times.
Iterating global reduction 0 with 1 rules applied. Total rules applied 51 place count 182 transition count 186
Reduce places removed 1 places and 0 transitions.
Iterating post reduction 0 with 1 rules applied. Total rules applied 52 place count 181 transition count 186
Free-agglomeration rule (complex) applied 2 times.
Iterating global reduction 1 with 2 rules applied. Total rules applied 54 place count 181 transition count 184
Reduce places removed 2 places and 0 transitions.
Iterating post reduction 1 with 2 rules applied. Total rules applied 56 place count 179 transition count 184
Applied a total of 56 rules in 15 ms. Remains 179 /207 variables (removed 28) and now considering 184/212 (removed 28) transitions.
Running SMT prover for 5 properties.
// Phase 1: matrix 184 rows 179 cols
[2025-06-01 00:41:27] [INFO ] Computed 31 invariants in 14 ms
Starting Z3 with timeout 450.0 s and query timeout 45000.0 ms
[2025-06-01 00:41:27] [INFO ] [Real]Absence check using 4 positive place invariants in 1 ms returned sat
[2025-06-01 00:41:28] [INFO ] [Real]Absence check using 4 positive and 27 generalized place invariants in 5 ms returned sat
[2025-06-01 00:41:28] [INFO ] After 164ms SMT Verify possible using all constraints in real domain returned unsat :0 sat :0 real:5
Starting Z3 with timeout 450.0 s and query timeout 45000.0 ms
[2025-06-01 00:41:28] [INFO ] [Nat]Absence check using 4 positive place invariants in 1 ms returned sat
[2025-06-01 00:41:28] [INFO ] [Nat]Absence check using 4 positive and 27 generalized place invariants in 5 ms returned sat
[2025-06-01 00:41:28] [INFO ] After 152ms SMT Verify possible using state equation in natural domain returned unsat :0 sat :5
[2025-06-01 00:41:28] [INFO ] State equation strengthened by 2 read => feed constraints.
[2025-06-01 00:41:28] [INFO ] After 58ms SMT Verify possible using 2 Read/Feed constraints in natural domain returned unsat :0 sat :5
TRAPS : Iteration 0
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 00:41:28] [INFO ] Deduced a trap composed of 19 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 00:41:28] [INFO ] Deduced a trap composed of 42 places in 138 ms of which 64 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 00:41:28] [INFO ] Deduced a trap composed of 44 places in 142 ms of which 72 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 00:41:28] [INFO ] Deduced a trap composed of 46 places in 151 ms of which 79 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 00:41:29] [INFO ] Deduced a trap composed of 44 places in 133 ms of which 59 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 00:41:29] [INFO ] Deduced a trap composed of 45 places in 117 ms of which 55 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 00:41:29] [INFO ] Deduced a trap composed of 45 places in 133 ms of which 62 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 00:41:29] [INFO ] Deduced a trap composed of 47 places in 135 ms of which 64 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 00:41:29] [INFO ] Deduced a trap composed of 48 places in 121 ms of which 53 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 00:41:29] [INFO ] Deduced a trap composed of 46 places in 161 ms of which 90 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 00:41:29] [INFO ] Deduced a trap composed of 47 places in 117 ms of which 47 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 00:41:30] [INFO ] Deduced a trap composed of 48 places in 100 ms of which 33 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 00:41:30] [INFO ] Deduced a trap composed of 48 places in 102 ms of which 35 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 00:41:30] [INFO ] Deduced a trap composed of 49 places in 115 ms of which 44 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 00:41:30] [INFO ] Deduced a trap composed of 50 places in 106 ms of which 45 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 00:41:30] [INFO ] Deduced a trap composed of 51 places in 117 ms of which 46 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 00:41:30] [INFO ] Deduced a trap composed of 19 places in 80 ms of which 10 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 00:41:30] [INFO ] Deduced a trap composed of 49 places in 125 ms of which 54 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 00:41:30] [INFO ] Deduced a trap composed of 51 places in 101 ms of which 35 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 00:41:31] [INFO ] Deduced a trap composed of 52 places in 96 ms of which 33 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 00:41:31] [INFO ] Deduced a trap composed of 51 places in 147 ms of which 81 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 00:41:31] [INFO ] Deduced a trap composed of 53 places in 131 ms of which 61 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 00:41:31] [INFO ] Deduced a trap composed of 52 places in 111 ms of which 38 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 00:41:31] [INFO ] Deduced a trap composed of 54 places in 99 ms of which 33 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 00:41:31] [INFO ] Deduced a trap composed of 55 places in 111 ms of which 43 ms to minimize.
[2025-06-01 00:41:31] [INFO ] Trap strengthening (SAT) tested/added 26/25 trap constraints in 3335 ms
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 00:41:31] [INFO ] Deduced a trap composed of 21 places in 90 ms of which 10 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 00:41:32] [INFO ] Deduced a trap composed of 13 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 00:41:32] [INFO ] Deduced a trap composed of 23 places in 75 ms of which 12 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 00:41:32] [INFO ] Deduced a trap composed of 23 places in 80 ms of which 12 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 00:41:32] [INFO ] Deduced a trap composed of 25 places in 82 ms of which 13 ms to minimize.
[2025-06-01 00:41:32] [INFO ] Trap strengthening (SAT) tested/added 6/5 trap constraints in 475 ms
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 00:41:32] [INFO ] Deduced a trap composed of 41 places in 95 ms of which 23 ms to minimize.
[2025-06-01 00:41:32] [INFO ] Trap strengthening (SAT) tested/added 2/1 trap constraints in 115 ms
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 00:41:32] [INFO ] Deduced a trap composed of 10 places in 59 ms of which 4 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 00:41:32] [INFO ] Deduced a trap composed of 22 places in 46 ms of which 4 ms to minimize.
[2025-06-01 00:41:32] [INFO ] Trap strengthening (SAT) tested/added 3/2 trap constraints in 132 ms
TRAPS : Iteration 1
[2025-06-01 00:41:33] [INFO ] After 4702ms SMT Verify possible using trap constraints in natural domain returned unsat :0 sat :5
[2025-06-01 00:41:33] [INFO ] After 5086ms SMT Verify possible using all constraints in natural domain returned unsat :0 sat :5
Over-approximation ignoring read arcs solved 0 properties in 5285 ms.
Found 1 invariant AP formulas.
Knowledge obtained : [(AND p1 p0), (X p0), (X (X (NOT (AND (NOT p0) (NOT p1))))), (X (X (NOT (AND p0 (NOT p1))))), (X (X (NOT (AND (NOT p0) p1)))), (X (X (AND p0 p1))), (X (X p1)), (X (X p0)), (G (OR p1 p0))]
False Knowledge obtained : []
Knowledge based reduction with 9 factoid took 92 ms. Reduced automaton from 6 states, 11 edges and 2 AP (stutter sensitive) to 6 states, 10 edges and 2 AP (stutter sensitive).
Stuttering acceptance computed with spot in 171 ms :[true, (NOT p1), (NOT p0), (AND (NOT p1) (NOT p0)), (AND (NOT p1) (NOT p0)), (AND (NOT p1) (NOT p0))]
Stuttering acceptance computed with spot in 180 ms :[true, (NOT p1), (NOT p0), (AND (NOT p1) (NOT p0)), (AND (NOT p1) (NOT p0)), (AND (NOT p1) (NOT p0))]
Support contains 3 out of 527 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 527/527 places, 497/497 transitions.
Applied a total of 0 rules in 11 ms. Remains 527 /527 variables (removed 0) and now considering 497/497 (removed 0) transitions.
// Phase 1: matrix 497 rows 527 cols
[2025-06-01 00:41:33] [INFO ] Computed 49 invariants in 21 ms
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-01 00:41:33] [INFO ] Implicit Places using invariants in 165 ms returned []
[2025-06-01 00:41:33] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-01 00:41:35] [INFO ] Implicit Places using invariants and state equation in 1642 ms returned []
Implicit Place search using SMT with State Equation took 1809 ms to find 0 implicit places.
Running 496 sub problems to find dead transitions.
[2025-06-01 00:41:35] [INFO ] Invariant cache hit.
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/526 variables, 46/46 constraints. Problems are: Problem set: 0 solved, 496 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/526 variables, 0/46 constraints. Problems are: Problem set: 0 solved, 496 unsolved
At refinement iteration 2 (OVERLAPS) 1/527 variables, 2/48 constraints. Problems are: Problem set: 0 solved, 496 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/527 variables, 1/49 constraints. Problems are: Problem set: 0 solved, 496 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 00:41:53] [INFO ] Deduced a trap composed of 7 places in 28 ms of which 2 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 00:41:54] [INFO ] Deduced a trap composed of 8 places in 24 ms of which 1 ms to minimize.
At refinement iteration 4 (INCLUDED_ONLY) 0/527 variables, 2/51 constraints. Problems are: Problem set: 0 solved, 496 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/527 variables, 0/51 constraints. Problems are: Problem set: 0 solved, 496 unsolved
At refinement iteration 6 (OVERLAPS) 497/1024 variables, 527/578 constraints. Problems are: Problem set: 0 solved, 496 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Real declared 1024/1024 variables, and 578 constraints, problems are : Problem set: 0 solved, 496 unsolved in 30022 ms.
Refiners :[Positive P Invariants (semi-flows): 2/2 constraints, Generalized P Invariants (flows): 47/47 constraints, State Equation: 527/527 constraints, PredecessorRefiner: 496/496 constraints, Known Traps: 2/2 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 496 unsolved
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/526 variables, 46/46 constraints. Problems are: Problem set: 0 solved, 496 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/526 variables, 0/46 constraints. Problems are: Problem set: 0 solved, 496 unsolved
At refinement iteration 2 (OVERLAPS) 1/527 variables, 2/48 constraints. Problems are: Problem set: 0 solved, 496 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/527 variables, 1/49 constraints. Problems are: Problem set: 0 solved, 496 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/527 variables, 2/51 constraints. Problems are: Problem set: 0 solved, 496 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/527 variables, 0/51 constraints. Problems are: Problem set: 0 solved, 496 unsolved
At refinement iteration 6 (OVERLAPS) 497/1024 variables, 527/578 constraints. Problems are: Problem set: 0 solved, 496 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/1024 variables, 496/1074 constraints. Problems are: Problem set: 0 solved, 496 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 1024/1024 variables, and 1074 constraints, problems are : Problem set: 0 solved, 496 unsolved in 30019 ms.
Refiners :[Positive P Invariants (semi-flows): 2/2 constraints, Generalized P Invariants (flows): 47/47 constraints, State Equation: 527/527 constraints, PredecessorRefiner: 496/496 constraints, Known Traps: 2/2 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 60073ms problems are : Problem set: 0 solved, 496 unsolved
Search for dead transitions found 0 dead transitions in 60075ms
Finished structural reductions in LTL mode , in 1 iterations and 61898 ms. Remains : 527/527 places, 497/497 transitions.
Computed a total of 7 stabilizing places and 7 stable transitions
Graph (complete) has 895 edges and 527 vertex of which 525 are kept as prefixes of interest. Removing 2 places using SCC suffix rule.2 ms
Computed a total of 7 stabilizing places and 7 stable transitions
Knowledge obtained : [(AND p1 p0), (X (X p0)), (X (X p1)), (X (X (AND p1 p0)))]
False Knowledge obtained : []
Knowledge based reduction with 4 factoid took 73 ms. Reduced automaton from 6 states, 10 edges and 2 AP (stutter sensitive) to 6 states, 10 edges and 2 AP (stutter sensitive).
Stuttering acceptance computed with spot in 158 ms :[true, (NOT p1), (NOT p0), (AND (NOT p1) (NOT p0)), (AND (NOT p1) (NOT p0)), (AND (NOT p1) (NOT p0))]
RANDOM walk for 40000 steps (1327 resets) in 93 ms. (425 steps per ms) remains 3/3 properties
BEST_FIRST walk for 40000 steps (1146 resets) in 81 ms. (487 steps per ms) remains 3/3 properties
BEST_FIRST walk for 40000 steps (1108 resets) in 70 ms. (563 steps per ms) remains 3/3 properties
BEST_FIRST walk for 40000 steps (1139 resets) in 63 ms. (625 steps per ms) remains 3/3 properties
Interrupted probabilistic random walk after 335994 steps, run timeout after 3001 ms. (steps per millisecond=111 ) properties seen :0 out of 3
Probabilistic random walk after 335994 steps, saw 168030 distinct states, run finished after 3001 ms. (steps per millisecond=111 ) properties seen :0
[2025-06-01 00:42:39] [INFO ] Invariant cache hit.
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, 3 unsolved
At refinement iteration 1 (OVERLAPS) 53/56 variables, 3/3 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/56 variables, 0/3 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 3 (OVERLAPS) 110/166 variables, 13/16 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/166 variables, 0/16 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 5 (OVERLAPS) 106/272 variables, 10/26 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/272 variables, 0/26 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 7 (OVERLAPS) 120/392 variables, 13/39 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/392 variables, 0/39 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 9 (OVERLAPS) 6/398 variables, 2/41 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/398 variables, 0/41 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 11 (OVERLAPS) 36/434 variables, 6/47 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 12 (INCLUDED_ONLY) 0/434 variables, 0/47 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 13 (OVERLAPS) 16/450 variables, 2/49 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 14 (INCLUDED_ONLY) 0/450 variables, 0/49 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 15 (OVERLAPS) 471/921 variables, 450/499 constraints. Problems are: Problem set: 0 solved, 3 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 00:42:39] [INFO ] Deduced a trap along path composed of 13 places in 42 ms of which 0 ms to minimize.
At refinement iteration 16 (INCLUDED_ONLY) 0/921 variables, 1/500 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 17 (INCLUDED_ONLY) 0/921 variables, 0/500 constraints. Problems are: Problem set: 0 solved, 3 unsolved
All remaining problems are real, not stopping.
At refinement iteration 18 (OVERLAPS) 89/1010 variables, 69/569 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 19 (INCLUDED_ONLY) 0/1010 variables, 0/569 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 20 (OVERLAPS) 8/1018 variables, 4/573 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 21 (INCLUDED_ONLY) 0/1018 variables, 0/573 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 22 (OVERLAPS) 5/1023 variables, 3/576 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 23 (INCLUDED_ONLY) 0/1023 variables, 0/576 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 24 (OVERLAPS) 1/1024 variables, 1/577 constraints. Problems are: Problem set: 0 solved, 3 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 00:42:40] [INFO ] Deduced a trap composed of 72 places in 105 ms of which 13 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 00:42:40] [INFO ] Deduced a trap composed of 65 places in 101 ms of which 12 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 00:42:40] [INFO ] Deduced a trap composed of 41 places in 112 ms of which 11 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 00:42:40] [INFO ] Deduced a trap composed of 43 places in 129 ms of which 13 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 00:42:40] [INFO ] Deduced a trap composed of 55 places in 115 ms of which 14 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 00:42:40] [INFO ] Deduced a trap composed of 53 places in 108 ms of which 10 ms to minimize.
At refinement iteration 25 (INCLUDED_ONLY) 0/1024 variables, 6/583 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 26 (INCLUDED_ONLY) 0/1024 variables, 0/583 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 27 (OVERLAPS) 0/1024 variables, 0/583 constraints. Problems are: Problem set: 0 solved, 3 unsolved
No progress, stopping.
After SMT solving in domain Real declared 1024/1024 variables, and 583 constraints, problems are : Problem set: 0 solved, 3 unsolved in 2280 ms.
Refiners :[Positive P Invariants (semi-flows): 2/2 constraints, Generalized P Invariants (flows): 47/47 constraints, State Equation: 527/527 constraints, PredecessorRefiner: 3/3 constraints, Known Traps: 6/6 constraints, Known Traps Along Path: 1/1 constraints]
Escalating to Integer solving :Problem set: 0 solved, 3 unsolved
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/3 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 1 (OVERLAPS) 53/56 variables, 3/3 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/56 variables, 0/3 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 3 (OVERLAPS) 110/166 variables, 13/16 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/166 variables, 0/16 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 5 (OVERLAPS) 106/272 variables, 10/26 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/272 variables, 0/26 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 7 (OVERLAPS) 120/392 variables, 13/39 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/392 variables, 0/39 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 9 (OVERLAPS) 6/398 variables, 2/41 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/398 variables, 0/41 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 11 (OVERLAPS) 36/434 variables, 6/47 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 12 (INCLUDED_ONLY) 0/434 variables, 0/47 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 13 (OVERLAPS) 16/450 variables, 2/49 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 14 (INCLUDED_ONLY) 0/450 variables, 0/49 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 15 (OVERLAPS) 471/921 variables, 450/499 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 16 (INCLUDED_ONLY) 0/921 variables, 1/500 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 17 (INCLUDED_ONLY) 0/921 variables, 1/501 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 18 (INCLUDED_ONLY) 0/921 variables, 0/501 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 19 (OVERLAPS) 89/1010 variables, 69/570 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 20 (INCLUDED_ONLY) 0/1010 variables, 2/572 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 21 (INCLUDED_ONLY) 0/1010 variables, 6/578 constraints. Problems are: Problem set: 0 solved, 3 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 00:42:43] [INFO ] Deduced a trap composed of 18 places in 120 ms of which 11 ms to minimize.
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 1010/1024 variables, and 579 constraints, problems are : Problem set: 0 solved, 3 unsolved in 3713 ms.
Refiners :[Positive P Invariants (semi-flows): 2/2 constraints, Generalized P Invariants (flows): 47/47 constraints, State Equation: 519/527 constraints, PredecessorRefiner: 3/3 constraints, Known Traps: 7/7 constraints, Known Traps Along Path: 1/1 constraints]
After SMT, in 5997ms problems are : Problem set: 0 solved, 3 unsolved
Fused 3 Parikh solutions to 1 different solutions.
Parikh walk visited 0 properties in 177 ms.
Support contains 3 out of 527 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 527/527 places, 497/497 transitions.
Graph (complete) has 895 edges and 527 vertex of which 525 are kept as prefixes of interest. Removing 2 places using SCC suffix rule.0 ms
Discarding 2 places :
Also discarding 1 output transitions
Drop transitions (Output transitions of discarded places.) removed 1 transitions
Drop transitions (Empty/Sink Transition effects.) removed 1 transitions
Reduce isomorphic transitions removed 1 transitions.
Drop transitions (Trivial Post-Agglo cleanup.) removed 118 transitions
Trivial Post-agglo rules discarded 118 transitions
Performed 118 trivial Post agglomeration. Transition count delta: 118
Iterating post reduction 0 with 119 rules applied. Total rules applied 120 place count 525 transition count 377
Reduce places removed 118 places and 0 transitions.
Performed 1 Post agglomeration using F-continuation condition.Transition count delta: 1
Iterating post reduction 1 with 119 rules applied. Total rules applied 239 place count 407 transition count 376
Reduce places removed 1 places and 0 transitions.
Iterating post reduction 2 with 1 rules applied. Total rules applied 240 place count 406 transition count 376
Performed 22 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 3 with 22 Pre rules applied. Total rules applied 240 place count 406 transition count 354
Deduced a syphon composed of 22 places in 2 ms
Reduce places removed 22 places and 0 transitions.
Iterating global reduction 3 with 44 rules applied. Total rules applied 284 place count 384 transition count 354
Performed 91 Post agglomeration using F-continuation condition.Transition count delta: 91
Deduced a syphon composed of 91 places in 1 ms
Reduce places removed 91 places and 0 transitions.
Iterating global reduction 3 with 182 rules applied. Total rules applied 466 place count 293 transition count 263
Performed 17 Post agglomeration using F-continuation condition.Transition count delta: 0
Deduced a syphon composed of 17 places in 0 ms
Reduce places removed 17 places and 0 transitions.
Iterating global reduction 3 with 34 rules applied. Total rules applied 500 place count 276 transition count 263
Free-agglomeration rule applied 1 times.
Iterating global reduction 3 with 1 rules applied. Total rules applied 501 place count 276 transition count 262
Reduce places removed 1 places and 0 transitions.
Iterating post reduction 3 with 1 rules applied. Total rules applied 502 place count 275 transition count 262
Free-agglomeration rule (complex) applied 40 times.
Iterating global reduction 4 with 40 rules applied. Total rules applied 542 place count 275 transition count 222
Reduce places removed 40 places and 0 transitions.
Iterating post reduction 4 with 40 rules applied. Total rules applied 582 place count 235 transition count 222
Partial Free-agglomeration rule applied 40 times.
Drop transitions (Partial Free agglomeration) removed 40 transitions
Iterating global reduction 5 with 40 rules applied. Total rules applied 622 place count 235 transition count 222
Reduce places removed 1 places and 1 transitions.
Iterating global reduction 5 with 1 rules applied. Total rules applied 623 place count 234 transition count 221
Applied a total of 623 rules in 35 ms. Remains 234 /527 variables (removed 293) and now considering 221/497 (removed 276) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 35 ms. Remains : 234/527 places, 221/497 transitions.
RANDOM walk for 40000 steps (5012 resets) in 98 ms. (404 steps per ms) remains 3/3 properties
BEST_FIRST walk for 40001 steps (3360 resets) in 68 ms. (579 steps per ms) remains 3/3 properties
BEST_FIRST walk for 40001 steps (3399 resets) in 72 ms. (547 steps per ms) remains 3/3 properties
BEST_FIRST walk for 40001 steps (3397 resets) in 71 ms. (555 steps per ms) remains 3/3 properties
Interrupted probabilistic random walk after 396101 steps, run timeout after 3001 ms. (steps per millisecond=131 ) properties seen :0 out of 3
Probabilistic random walk after 396101 steps, saw 198173 distinct states, run finished after 3001 ms. (steps per millisecond=131 ) properties seen :0
// Phase 1: matrix 221 rows 234 cols
[2025-06-01 00:42:48] [INFO ] Computed 49 invariants in 8 ms
[2025-06-01 00:42:48] [INFO ] State equation strengthened by 37 read => feed constraints.
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, 3 unsolved
At refinement iteration 1 (OVERLAPS) 71/74 variables, 6/6 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/74 variables, 0/6 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 3 (OVERLAPS) 49/123 variables, 1/7 constraints. Problems are: Problem set: 0 solved, 3 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 00:42:48] [INFO ] Deduced a trap composed of 16 places in 47 ms of which 7 ms to minimize.
At refinement iteration 4 (INCLUDED_ONLY) 0/123 variables, 1/8 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/123 variables, 0/8 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 6 (OVERLAPS) 104/227 variables, 39/47 constraints. Problems are: Problem set: 0 solved, 3 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 00:42:48] [INFO ] Deduced a trap composed of 4 places in 99 ms of which 8 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 00:42:48] [INFO ] Deduced a trap composed of 7 places in 100 ms of which 9 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 00:42:48] [INFO ] Deduced a trap composed of 8 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 00:42:48] [INFO ] Deduced a trap composed of 9 places in 102 ms of which 10 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 00:42:49] [INFO ] Deduced a trap composed of 10 places in 98 ms of which 10 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 00:42:49] [INFO ] Deduced a trap composed of 10 places in 99 ms of which 11 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 00:42:49] [INFO ] Deduced a trap composed of 11 places in 97 ms of which 10 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 00:42:49] [INFO ] Deduced a trap composed of 10 places in 103 ms of which 10 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 00:42:49] [INFO ] Deduced a trap composed of 14 places in 102 ms of which 12 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 00:42:49] [INFO ] Deduced a trap composed of 16 places in 103 ms of which 12 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 00:42:49] [INFO ] Deduced a trap composed of 12 places in 99 ms of which 10 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 00:42:49] [INFO ] Deduced a trap composed of 18 places in 109 ms of which 14 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 00:42:49] [INFO ] Deduced a trap composed of 19 places in 123 ms of which 14 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 00:42:49] [INFO ] Deduced a trap composed of 21 places in 103 ms of which 16 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 00:42:50] [INFO ] Deduced a trap composed of 22 places in 101 ms of which 15 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 00:42:50] [INFO ] Deduced a trap composed of 23 places in 102 ms of which 17 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 00:42:50] [INFO ] Deduced a trap composed of 24 places in 108 ms of which 17 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 00:42:50] [INFO ] Deduced a trap composed of 37 places in 152 ms of which 60 ms to minimize.
At refinement iteration 7 (INCLUDED_ONLY) 0/227 variables, 18/65 constraints. Problems are: Problem set: 0 solved, 3 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 00:42:50] [INFO ] Deduced a trap composed of 15 places in 50 ms of which 3 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 00:42:50] [INFO ] Deduced a trap composed of 22 places in 46 ms of which 4 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 00:42:50] [INFO ] Deduced a trap composed of 24 places in 41 ms of which 4 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 00:42:50] [INFO ] Deduced a trap composed of 25 places in 41 ms of which 3 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 00:42:50] [INFO ] Deduced a trap composed of 28 places in 30 ms of which 3 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 00:42:50] [INFO ] Deduced a trap composed of 29 places in 28 ms of which 2 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 00:42:50] [INFO ] Deduced a trap composed of 32 places in 29 ms of which 2 ms to minimize.
At refinement iteration 8 (INCLUDED_ONLY) 0/227 variables, 7/72 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/227 variables, 0/72 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 10 (OVERLAPS) 2/229 variables, 1/73 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/229 variables, 0/73 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 12 (OVERLAPS) 221/450 variables, 229/302 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 13 (INCLUDED_ONLY) 0/450 variables, 37/339 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 14 (INCLUDED_ONLY) 0/450 variables, 0/339 constraints. Problems are: Problem set: 0 solved, 3 unsolved
All remaining problems are real, not stopping.
At refinement iteration 15 (OVERLAPS) 5/455 variables, 5/344 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 16 (INCLUDED_ONLY) 0/455 variables, 2/346 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 17 (INCLUDED_ONLY) 0/455 variables, 0/346 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 18 (OVERLAPS) 0/455 variables, 0/346 constraints. Problems are: Problem set: 0 solved, 3 unsolved
No progress, stopping.
After SMT solving in domain Real declared 455/455 variables, and 346 constraints, problems are : Problem set: 0 solved, 3 unsolved in 2887 ms.
Refiners :[Positive P Invariants (semi-flows): 3/3 constraints, Generalized P Invariants (flows): 46/46 constraints, State Equation: 234/234 constraints, ReadFeed: 37/37 constraints, PredecessorRefiner: 3/3 constraints, Known Traps: 26/26 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 3 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, 3 unsolved
At refinement iteration 1 (OVERLAPS) 71/74 variables, 6/6 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/74 variables, 0/6 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 3 (OVERLAPS) 49/123 variables, 1/7 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/123 variables, 2/9 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/123 variables, 0/9 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 6 (OVERLAPS) 104/227 variables, 39/48 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/227 variables, 24/72 constraints. Problems are: Problem set: 0 solved, 3 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 00:42:51] [INFO ] Deduced a trap composed of 6 places in 95 ms of which 8 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 00:42:51] [INFO ] Deduced a trap composed of 13 places in 100 ms of which 11 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 00:42:51] [INFO ] Deduced a trap composed of 39 places in 131 ms of which 44 ms to minimize.
At refinement iteration 8 (INCLUDED_ONLY) 0/227 variables, 3/75 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/227 variables, 0/75 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 10 (OVERLAPS) 2/229 variables, 1/76 constraints. Problems are: Problem set: 0 solved, 3 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 00:42:51] [INFO ] Deduced a trap composed of 4 places in 71 ms of which 4 ms to minimize.
At refinement iteration 11 (INCLUDED_ONLY) 0/229 variables, 1/77 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 12 (INCLUDED_ONLY) 0/229 variables, 0/77 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 13 (OVERLAPS) 221/450 variables, 229/306 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 14 (INCLUDED_ONLY) 0/450 variables, 37/343 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 15 (INCLUDED_ONLY) 0/450 variables, 3/346 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 16 (INCLUDED_ONLY) 0/450 variables, 0/346 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 17 (OVERLAPS) 5/455 variables, 5/351 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 18 (INCLUDED_ONLY) 0/455 variables, 2/353 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 19 (INCLUDED_ONLY) 0/455 variables, 0/353 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 20 (OVERLAPS) 0/455 variables, 0/353 constraints. Problems are: Problem set: 0 solved, 3 unsolved
No progress, stopping.
After SMT solving in domain Int declared 455/455 variables, and 353 constraints, problems are : Problem set: 0 solved, 3 unsolved in 1303 ms.
Refiners :[Positive P Invariants (semi-flows): 3/3 constraints, Generalized P Invariants (flows): 46/46 constraints, State Equation: 234/234 constraints, ReadFeed: 37/37 constraints, PredecessorRefiner: 3/3 constraints, Known Traps: 30/30 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 4202ms problems are : Problem set: 0 solved, 3 unsolved
Fused 3 Parikh solutions to 2 different solutions.
Parikh walk visited 0 properties in 1994 ms.
Support contains 3 out of 234 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 234/234 places, 221/221 transitions.
Applied a total of 0 rules in 4 ms. Remains 234 /234 variables (removed 0) and now considering 221/221 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 4 ms. Remains : 234/234 places, 221/221 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 234/234 places, 221/221 transitions.
Applied a total of 0 rules in 3 ms. Remains 234 /234 variables (removed 0) and now considering 221/221 (removed 0) transitions.
[2025-06-01 00:42:54] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-01 00:42:55] [INFO ] Implicit Places using invariants in 994 ms returned [20, 26, 46, 51, 72, 77, 98, 104, 125, 130, 131, 151, 156, 178, 184, 191, 225, 231]
[2025-06-01 00:42:55] [INFO ] Actually due to overlaps returned [191, 130]
Discarding 2 places :
Implicit Place search using SMT only with invariants took 997 ms to find 2 implicit places.
Starting structural reductions in REACHABILITY mode, iteration 1 : 232/234 places, 221/221 transitions.
Free-agglomeration rule (complex) applied 1 times.
Iterating global reduction 0 with 1 rules applied. Total rules applied 1 place count 232 transition count 220
Reduce places removed 1 places and 0 transitions.
Iterating post reduction 0 with 1 rules applied. Total rules applied 2 place count 231 transition count 220
Applied a total of 2 rules in 10 ms. Remains 231 /232 variables (removed 1) and now considering 220/221 (removed 1) transitions.
// Phase 1: matrix 220 rows 231 cols
[2025-06-01 00:42:55] [INFO ] Computed 47 invariants in 15 ms
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-01 00:42:56] [INFO ] Implicit Places using invariants in 827 ms returned [20, 26, 46, 51, 72, 77, 98, 104, 125, 130, 150, 155, 177, 183, 222, 228]
[2025-06-01 00:42:56] [INFO ] Actually due to overlaps returned [228, 222]
Discarding 2 places :
Implicit Place search using SMT only with invariants took 829 ms to find 2 implicit places.
Starting structural reductions in REACHABILITY mode, iteration 2 : 229/234 places, 220/221 transitions.
Free-agglomeration rule (complex) applied 1 times.
Iterating global reduction 0 with 1 rules applied. Total rules applied 1 place count 229 transition count 219
Reduce places removed 1 places and 0 transitions.
Iterating post reduction 0 with 1 rules applied. Total rules applied 2 place count 228 transition count 219
Applied a total of 2 rules in 10 ms. Remains 228 /229 variables (removed 1) and now considering 219/220 (removed 1) transitions.
// Phase 1: matrix 219 rows 228 cols
[2025-06-01 00:42:56] [INFO ] Computed 45 invariants in 10 ms
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-01 00:42:57] [INFO ] Implicit Places using invariants in 652 ms returned [20, 26, 46, 51, 72, 77, 98, 104, 125, 130, 150, 155, 177, 183]
[2025-06-01 00:42:57] [INFO ] Actually due to overlaps returned [26, 20]
Discarding 2 places :
Implicit Place search using SMT only with invariants took 655 ms to find 2 implicit places.
Starting structural reductions in REACHABILITY mode, iteration 3 : 226/234 places, 219/221 transitions.
Free-agglomeration rule (complex) applied 1 times.
Iterating global reduction 0 with 1 rules applied. Total rules applied 1 place count 226 transition count 218
Reduce places removed 1 places and 0 transitions.
Iterating post reduction 0 with 1 rules applied. Total rules applied 2 place count 225 transition count 218
Applied a total of 2 rules in 8 ms. Remains 225 /226 variables (removed 1) and now considering 218/219 (removed 1) transitions.
// Phase 1: matrix 218 rows 225 cols
[2025-06-01 00:42:57] [INFO ] Computed 43 invariants in 15 ms
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-01 00:42:57] [INFO ] Implicit Places using invariants in 575 ms returned [43, 48, 69, 74, 95, 101, 122, 127, 147, 152, 174, 180]
[2025-06-01 00:42:57] [INFO ] Actually due to overlaps returned [48, 43]
Discarding 2 places :
Implicit Place search using SMT only with invariants took 577 ms to find 2 implicit places.
Starting structural reductions in REACHABILITY mode, iteration 4 : 223/234 places, 218/221 transitions.
Free-agglomeration rule (complex) applied 1 times.
Iterating global reduction 0 with 1 rules applied. Total rules applied 1 place count 223 transition count 217
Reduce places removed 1 places and 0 transitions.
Iterating post reduction 0 with 1 rules applied. Total rules applied 2 place count 222 transition count 217
Applied a total of 2 rules in 10 ms. Remains 222 /223 variables (removed 1) and now considering 217/218 (removed 1) transitions.
// Phase 1: matrix 217 rows 222 cols
[2025-06-01 00:42:57] [INFO ] Computed 41 invariants in 11 ms
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-01 00:42:58] [INFO ] Implicit Places using invariants in 497 ms returned [66, 71, 92, 98, 119, 124, 144, 149, 171, 177]
[2025-06-01 00:42:58] [INFO ] Actually due to overlaps returned [71, 66]
Discarding 2 places :
Implicit Place search using SMT only with invariants took 499 ms to find 2 implicit places.
Starting structural reductions in REACHABILITY mode, iteration 5 : 220/234 places, 217/221 transitions.
Free-agglomeration rule (complex) applied 1 times.
Iterating global reduction 0 with 1 rules applied. Total rules applied 1 place count 220 transition count 216
Reduce places removed 1 places and 0 transitions.
Iterating post reduction 0 with 1 rules applied. Total rules applied 2 place count 219 transition count 216
Applied a total of 2 rules in 9 ms. Remains 219 /220 variables (removed 1) and now considering 216/217 (removed 1) transitions.
// Phase 1: matrix 216 rows 219 cols
[2025-06-01 00:42:58] [INFO ] Computed 39 invariants in 13 ms
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-01 00:42:58] [INFO ] Implicit Places using invariants in 414 ms returned [89, 95, 116, 121, 141, 146, 168, 174]
[2025-06-01 00:42:58] [INFO ] Actually due to overlaps returned [95, 89]
Discarding 2 places :
Implicit Place search using SMT only with invariants took 415 ms to find 2 implicit places.
Starting structural reductions in REACHABILITY mode, iteration 6 : 217/234 places, 216/221 transitions.
Free-agglomeration rule (complex) applied 1 times.
Iterating global reduction 0 with 1 rules applied. Total rules applied 1 place count 217 transition count 215
Reduce places removed 1 places and 0 transitions.
Iterating post reduction 0 with 1 rules applied. Total rules applied 2 place count 216 transition count 215
Applied a total of 2 rules in 11 ms. Remains 216 /217 variables (removed 1) and now considering 215/216 (removed 1) transitions.
// Phase 1: matrix 215 rows 216 cols
[2025-06-01 00:42:58] [INFO ] Computed 37 invariants in 17 ms
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-01 00:42:58] [INFO ] Implicit Places using invariants in 367 ms returned [113, 118, 138, 143, 165, 171]
[2025-06-01 00:42:58] [INFO ] Actually due to overlaps returned [118, 113]
Discarding 2 places :
Implicit Place search using SMT only with invariants took 369 ms to find 2 implicit places.
Starting structural reductions in REACHABILITY mode, iteration 7 : 214/234 places, 215/221 transitions.
Free-agglomeration rule (complex) applied 1 times.
Iterating global reduction 0 with 1 rules applied. Total rules applied 1 place count 214 transition count 214
Reduce places removed 1 places and 0 transitions.
Iterating post reduction 0 with 1 rules applied. Total rules applied 2 place count 213 transition count 214
Applied a total of 2 rules in 9 ms. Remains 213 /214 variables (removed 1) and now considering 214/215 (removed 1) transitions.
// Phase 1: matrix 214 rows 213 cols
[2025-06-01 00:42:58] [INFO ] Computed 35 invariants in 5 ms
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-01 00:42:59] [INFO ] Implicit Places using invariants in 354 ms returned [135, 140, 162, 168]
[2025-06-01 00:42:59] [INFO ] Actually due to overlaps returned [140, 135]
Discarding 2 places :
Implicit Place search using SMT only with invariants took 356 ms to find 2 implicit places.
Starting structural reductions in REACHABILITY mode, iteration 8 : 211/234 places, 214/221 transitions.
Free-agglomeration rule (complex) applied 1 times.
Iterating global reduction 0 with 1 rules applied. Total rules applied 1 place count 211 transition count 213
Reduce places removed 1 places and 0 transitions.
Iterating post reduction 0 with 1 rules applied. Total rules applied 2 place count 210 transition count 213
Applied a total of 2 rules in 9 ms. Remains 210 /211 variables (removed 1) and now considering 213/214 (removed 1) transitions.
// Phase 1: matrix 213 rows 210 cols
[2025-06-01 00:42:59] [INFO ] Computed 33 invariants in 11 ms
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-01 00:42:59] [INFO ] Implicit Places using invariants in 326 ms returned [159, 165]
Discarding 2 places :
Implicit Place search using SMT only with invariants took 327 ms to find 2 implicit places.
Starting structural reductions in REACHABILITY mode, iteration 9 : 208/234 places, 213/221 transitions.
Free-agglomeration rule (complex) applied 1 times.
Iterating global reduction 0 with 1 rules applied. Total rules applied 1 place count 208 transition count 212
Reduce places removed 1 places and 0 transitions.
Iterating post reduction 0 with 1 rules applied. Total rules applied 2 place count 207 transition count 212
Applied a total of 2 rules in 8 ms. Remains 207 /208 variables (removed 1) and now considering 212/213 (removed 1) transitions.
// Phase 1: matrix 212 rows 207 cols
[2025-06-01 00:42:59] [INFO ] Computed 31 invariants in 17 ms
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-01 00:42:59] [INFO ] Implicit Places using invariants in 322 ms returned []
[2025-06-01 00:42:59] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-01 00:43:00] [INFO ] State equation strengthened by 37 read => feed constraints.
[2025-06-01 00:43:02] [INFO ] Implicit Places using invariants and state equation in 2232 ms returned []
Implicit Place search using SMT with State Equation took 2556 ms to find 0 implicit places.
Starting structural reductions in REACHABILITY mode, iteration 10 : 207/234 places, 212/221 transitions.
Finished structural reductions in REACHABILITY mode , in 10 iterations and 7670 ms. Remains : 207/234 places, 212/221 transitions.
RANDOM walk for 40000 steps (5744 resets) in 83 ms. (476 steps per ms) remains 3/3 properties
BEST_FIRST walk for 40000 steps (3708 resets) in 51 ms. (769 steps per ms) remains 3/3 properties
BEST_FIRST walk for 40001 steps (3652 resets) in 41 ms. (952 steps per ms) remains 3/3 properties
BEST_FIRST walk for 40003 steps (3707 resets) in 43 ms. (909 steps per ms) remains 3/3 properties
Interrupted probabilistic random walk after 446831 steps, run timeout after 3001 ms. (steps per millisecond=148 ) properties seen :0 out of 3
Probabilistic random walk after 446831 steps, saw 223462 distinct states, run finished after 3001 ms. (steps per millisecond=148 ) properties seen :0
[2025-06-01 00:43:05] [INFO ] Invariant cache hit.
[2025-06-01 00:43:05] [INFO ] State equation strengthened by 37 read => feed constraints.
Starting Z3 with timeout 75.0 s and query timeout 7500.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/3 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 1 (OVERLAPS) 130/133 variables, 7/7 constraints. Problems are: Problem set: 0 solved, 3 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 00:43:05] [INFO ] Deduced a trap composed of 3 places in 42 ms of which 3 ms to minimize.
At refinement iteration 2 (INCLUDED_ONLY) 0/133 variables, 1/8 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/133 variables, 0/8 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 4 (OVERLAPS) 16/149 variables, 4/12 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/149 variables, 0/12 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 6 (OVERLAPS) 53/202 variables, 18/30 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/202 variables, 0/30 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 8 (OVERLAPS) 212/414 variables, 202/232 constraints. Problems are: Problem set: 0 solved, 3 unsolved
All remaining problems are real, not stopping.
At refinement iteration 9 (INCLUDED_ONLY) 0/414 variables, 37/269 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/414 variables, 0/269 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 11 (OVERLAPS) 5/419 variables, 5/274 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 12 (INCLUDED_ONLY) 0/419 variables, 2/276 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 13 (INCLUDED_ONLY) 0/419 variables, 0/276 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 14 (OVERLAPS) 0/419 variables, 0/276 constraints. Problems are: Problem set: 0 solved, 3 unsolved
No progress, stopping.
After SMT solving in domain Real declared 419/419 variables, and 276 constraints, problems are : Problem set: 0 solved, 3 unsolved in 403 ms.
Refiners :[Positive P Invariants (semi-flows): 13/13 constraints, Generalized P Invariants (flows): 18/18 constraints, State Equation: 207/207 constraints, ReadFeed: 37/37 constraints, PredecessorRefiner: 3/3 constraints, Known Traps: 1/1 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 3 unsolved
Starting Z3 with timeout 75.0 s and query timeout 7500.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/3 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 1 (OVERLAPS) 130/133 variables, 7/7 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/133 variables, 1/8 constraints. Problems are: Problem set: 0 solved, 3 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 00:43:05] [INFO ] Deduced a trap composed of 78 places in 75 ms of which 13 ms to minimize.
At refinement iteration 3 (INCLUDED_ONLY) 0/133 variables, 1/9 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/133 variables, 0/9 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 5 (OVERLAPS) 16/149 variables, 4/13 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/149 variables, 0/13 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 7 (OVERLAPS) 53/202 variables, 18/31 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/202 variables, 0/31 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 9 (OVERLAPS) 212/414 variables, 202/233 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/414 variables, 37/270 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/414 variables, 3/273 constraints. Problems are: Problem set: 0 solved, 3 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 00:43:06] [INFO ] Deduced a trap composed of 18 places in 90 ms of which 12 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 00:43:06] [INFO ] Deduced a trap composed of 16 places in 85 ms of which 10 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 00:43:06] [INFO ] Deduced a trap composed of 9 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 00:43:06] [INFO ] Deduced a trap composed of 10 places in 86 ms of which 8 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 00:43:06] [INFO ] Deduced a trap composed of 20 places in 87 ms of which 13 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 00:43:06] [INFO ] Deduced a trap composed of 15 places in 46 ms of which 3 ms to minimize.
At refinement iteration 12 (INCLUDED_ONLY) 0/414 variables, 6/279 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 13 (INCLUDED_ONLY) 0/414 variables, 0/279 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 14 (OVERLAPS) 5/419 variables, 5/284 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 15 (INCLUDED_ONLY) 0/419 variables, 2/286 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 16 (INCLUDED_ONLY) 0/419 variables, 0/286 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 17 (OVERLAPS) 0/419 variables, 0/286 constraints. Problems are: Problem set: 0 solved, 3 unsolved
No progress, stopping.
After SMT solving in domain Int declared 419/419 variables, and 286 constraints, problems are : Problem set: 0 solved, 3 unsolved in 1331 ms.
Refiners :[Positive P Invariants (semi-flows): 13/13 constraints, Generalized P Invariants (flows): 18/18 constraints, State Equation: 207/207 constraints, ReadFeed: 37/37 constraints, PredecessorRefiner: 3/3 constraints, Known Traps: 8/8 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 1738ms problems are : Problem set: 0 solved, 3 unsolved
Fused 3 Parikh solutions to 2 different solutions.
Parikh walk visited 0 properties in 2292 ms.
Support contains 3 out of 207 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 207/207 places, 212/212 transitions.
Applied a total of 0 rules in 3 ms. Remains 207 /207 variables (removed 0) and now considering 212/212 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 3 ms. Remains : 207/207 places, 212/212 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 207/207 places, 212/212 transitions.
Applied a total of 0 rules in 3 ms. Remains 207 /207 variables (removed 0) and now considering 212/212 (removed 0) transitions.
[2025-06-01 00:43:09] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-01 00:43:09] [INFO ] Implicit Places using invariants in 297 ms returned []
[2025-06-01 00:43:09] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-01 00:43:09] [INFO ] State equation strengthened by 37 read => feed constraints.
[2025-06-01 00:43:11] [INFO ] Implicit Places using invariants and state equation in 2202 ms returned []
Implicit Place search using SMT with State Equation took 2500 ms to find 0 implicit places.
Starting Z3 with timeout 200.0 s and query timeout 20000.0 ms
[2025-06-01 00:43:11] [INFO ] Redundant transitions in 1 ms returned []
Running 211 sub problems to find dead transitions.
[2025-06-01 00:43:11] [INFO ] Invariant cache hit.
[2025-06-01 00:43:11] [INFO ] State equation strengthened by 37 read => feed constraints.
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/206 variables, 2/2 constraints. Problems are: Problem set: 0 solved, 211 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/206 variables, 18/20 constraints. Problems are: Problem set: 0 solved, 211 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/206 variables, 0/20 constraints. Problems are: Problem set: 0 solved, 211 unsolved
At refinement iteration 3 (OVERLAPS) 1/207 variables, 11/31 constraints. Problems are: Problem set: 0 solved, 211 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/207 variables, 0/31 constraints. Problems are: Problem set: 0 solved, 211 unsolved
At refinement iteration 5 (OVERLAPS) 212/419 variables, 207/238 constraints. Problems are: Problem set: 0 solved, 211 unsolved
All remaining problems are real, not stopping.
At refinement iteration 6 (INCLUDED_ONLY) 0/419 variables, 37/275 constraints. Problems are: Problem set: 0 solved, 211 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/419 variables, 0/275 constraints. Problems are: Problem set: 0 solved, 211 unsolved
At refinement iteration 8 (OVERLAPS) 0/419 variables, 0/275 constraints. Problems are: Problem set: 0 solved, 211 unsolved
No progress, stopping.
After SMT solving in domain Real declared 419/419 variables, and 275 constraints, problems are : Problem set: 0 solved, 211 unsolved in 14111 ms.
Refiners :[Positive P Invariants (semi-flows): 13/13 constraints, Generalized P Invariants (flows): 18/18 constraints, State Equation: 207/207 constraints, ReadFeed: 37/37 constraints, PredecessorRefiner: 211/211 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 211 unsolved
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/206 variables, 2/2 constraints. Problems are: Problem set: 0 solved, 211 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/206 variables, 18/20 constraints. Problems are: Problem set: 0 solved, 211 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/206 variables, 0/20 constraints. Problems are: Problem set: 0 solved, 211 unsolved
At refinement iteration 3 (OVERLAPS) 1/207 variables, 11/31 constraints. Problems are: Problem set: 0 solved, 211 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/207 variables, 0/31 constraints. Problems are: Problem set: 0 solved, 211 unsolved
At refinement iteration 5 (OVERLAPS) 212/419 variables, 207/238 constraints. Problems are: Problem set: 0 solved, 211 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/419 variables, 37/275 constraints. Problems are: Problem set: 0 solved, 211 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/419 variables, 211/486 constraints. Problems are: Problem set: 0 solved, 211 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 00:43:37] [INFO ] Deduced a trap composed of 8 places in 72 ms of which 4 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 00:43:37] [INFO ] Deduced a trap composed of 29 places in 30 ms of which 2 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 00:43:43] [INFO ] Deduced a trap composed of 3 places in 77 ms of which 5 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 00:43:43] [INFO ] Deduced a trap composed of 4 places in 82 ms of which 4 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 00:43:43] [INFO ] Deduced a trap composed of 16 places in 79 ms of which 10 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 00:43:44] [INFO ] Deduced a trap composed of 9 places in 81 ms of which 7 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 00:43:45] [INFO ] Deduced a trap composed of 18 places in 87 ms of which 12 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 00:43:45] [INFO ] Deduced a trap composed of 21 places in 86 ms of which 13 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 00:43:45] [INFO ] Deduced a trap composed of 19 places in 86 ms of which 13 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 00:43:45] [INFO ] Deduced a trap composed of 22 places in 83 ms of which 13 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 00:43:46] [INFO ] Deduced a trap composed of 64 places in 89 ms of which 18 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 00:43:46] [INFO ] Deduced a trap composed of 65 places in 94 ms of which 21 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 00:43:46] [INFO ] Deduced a trap composed of 68 places in 92 ms of which 21 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 00:43:47] [INFO ] Deduced a trap composed of 67 places in 96 ms of which 18 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 00:43:47] [INFO ] Deduced a trap composed of 67 places in 89 ms of which 17 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 00:43:47] [INFO ] Deduced a trap composed of 69 places in 84 ms of which 20 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 00:43:47] [INFO ] Deduced a trap composed of 69 places in 85 ms of which 16 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 00:43:48] [INFO ] Deduced a trap composed of 69 places in 91 ms of which 22 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 00:43:48] [INFO ] Deduced a trap composed of 71 places in 90 ms of which 20 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 00:43:48] [INFO ] Deduced a trap composed of 71 places in 90 ms of which 17 ms to minimize.
At refinement iteration 8 (INCLUDED_ONLY) 0/419 variables, 20/506 constraints. Problems are: Problem set: 0 solved, 211 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 00:43:53] [INFO ] Deduced a trap composed of 20 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 00:43:54] [INFO ] Deduced a trap composed of 28 places in 36 ms of which 2 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 00:43:55] [INFO ] Deduced a trap composed of 27 places in 40 ms of which 3 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 00:43:55] [INFO ] Deduced a trap composed of 31 places in 35 ms of which 3 ms to minimize.
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 419/419 variables, and 510 constraints, problems are : Problem set: 0 solved, 211 unsolved in 30015 ms.
Refiners :[Positive P Invariants (semi-flows): 13/13 constraints, Generalized P Invariants (flows): 18/18 constraints, State Equation: 207/207 constraints, ReadFeed: 37/37 constraints, PredecessorRefiner: 211/211 constraints, Known Traps: 24/24 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 44173ms problems are : Problem set: 0 solved, 211 unsolved
Search for dead transitions found 0 dead transitions in 44174ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 46686 ms. Remains : 207/207 places, 212/212 transitions.
Attempting over-approximation, by ignoring read arcs.
Performed 17 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 0 with 17 Pre rules applied. Total rules applied 0 place count 207 transition count 195
Deduced a syphon composed of 17 places in 1 ms
Reduce places removed 17 places and 0 transitions.
Iterating global reduction 0 with 34 rules applied. Total rules applied 34 place count 190 transition count 195
Discarding 7 places :
Symmetric choice reduction at 0 with 7 rule applications. Total rules 41 place count 183 transition count 188
Iterating global reduction 0 with 7 rules applied. Total rules applied 48 place count 183 transition count 188
Performed 1 Post agglomeration using F-continuation condition.Transition count delta: 1
Deduced a syphon composed of 1 places in 0 ms
Reduce places removed 1 places and 0 transitions.
Iterating global reduction 0 with 2 rules applied. Total rules applied 50 place count 182 transition count 187
Free-agglomeration rule applied 1 times.
Iterating global reduction 0 with 1 rules applied. Total rules applied 51 place count 182 transition count 186
Reduce places removed 1 places and 0 transitions.
Iterating post reduction 0 with 1 rules applied. Total rules applied 52 place count 181 transition count 186
Free-agglomeration rule (complex) applied 2 times.
Iterating global reduction 1 with 2 rules applied. Total rules applied 54 place count 181 transition count 184
Reduce places removed 2 places and 0 transitions.
Iterating post reduction 1 with 2 rules applied. Total rules applied 56 place count 179 transition count 184
Applied a total of 56 rules in 15 ms. Remains 179 /207 variables (removed 28) and now considering 184/212 (removed 28) transitions.
Running SMT prover for 3 properties.
// Phase 1: matrix 184 rows 179 cols
[2025-06-01 00:43:56] [INFO ] Computed 31 invariants in 13 ms
Starting Z3 with timeout 450.0 s and query timeout 45000.0 ms
[2025-06-01 00:43:56] [INFO ] [Real]Absence check using 4 positive place invariants in 1 ms returned sat
[2025-06-01 00:43:56] [INFO ] [Real]Absence check using 4 positive and 27 generalized place invariants in 5 ms returned sat
[2025-06-01 00:43:56] [INFO ] After 167ms SMT Verify possible using all constraints in real domain returned unsat :0 sat :0 real:3
Starting Z3 with timeout 450.0 s and query timeout 45000.0 ms
[2025-06-01 00:43:56] [INFO ] [Nat]Absence check using 4 positive place invariants in 2 ms returned sat
[2025-06-01 00:43:56] [INFO ] [Nat]Absence check using 4 positive and 27 generalized place invariants in 5 ms returned sat
[2025-06-01 00:43:56] [INFO ] After 100ms SMT Verify possible using state equation in natural domain returned unsat :0 sat :3
[2025-06-01 00:43:56] [INFO ] State equation strengthened by 2 read => feed constraints.
[2025-06-01 00:43:56] [INFO ] After 31ms SMT Verify possible using 2 Read/Feed constraints in natural domain returned unsat :0 sat :3
TRAPS : Iteration 0
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 00:43:56] [INFO ] Deduced a trap composed of 10 places in 83 ms of which 7 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 00:43:56] [INFO ] Deduced a trap composed of 13 places in 78 ms of which 9 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 00:43:56] [INFO ] Deduced a trap composed of 19 places in 79 ms of which 11 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 00:43:56] [INFO ] Deduced a trap composed of 22 places in 80 ms of which 12 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 00:43:56] [INFO ] Deduced a trap composed of 23 places in 75 ms of which 11 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 00:43:56] [INFO ] Deduced a trap composed of 25 places in 83 ms of which 12 ms to minimize.
[2025-06-01 00:43:56] [INFO ] Trap strengthening (SAT) tested/added 7/6 trap constraints in 535 ms
TRAPS : Iteration 1
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 00:43:57] [INFO ] Deduced a trap composed of 43 places in 131 ms of which 54 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 00:43:57] [INFO ] Deduced a trap composed of 44 places in 185 ms of which 110 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 00:43:57] [INFO ] Deduced a trap composed of 45 places in 108 ms of which 37 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 00:43:57] [INFO ] Deduced a trap composed of 46 places in 116 ms of which 46 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 00:43:57] [INFO ] Deduced a trap composed of 47 places in 101 ms of which 36 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 00:43:57] [INFO ] Deduced a trap composed of 48 places in 107 ms of which 33 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 00:43:57] [INFO ] Deduced a trap composed of 49 places in 112 ms of which 44 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 00:43:58] [INFO ] Deduced a trap composed of 50 places in 180 ms of which 101 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 00:43:58] [INFO ] Deduced a trap composed of 50 places in 142 ms of which 74 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 00:43:58] [INFO ] Deduced a trap composed of 48 places in 111 ms of which 39 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 00:43:58] [INFO ] Deduced a trap composed of 50 places in 129 ms of which 59 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 00:43:58] [INFO ] Deduced a trap composed of 51 places in 107 ms of which 44 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 00:43:58] [INFO ] Deduced a trap composed of 51 places in 116 ms of which 46 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 00:43:58] [INFO ] Deduced a trap composed of 50 places in 103 ms of which 34 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 00:43:59] [INFO ] Deduced a trap composed of 51 places in 115 ms of which 38 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 00:43:59] [INFO ] Deduced a trap composed of 51 places in 90 ms of which 22 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 00:43:59] [INFO ] Deduced a trap composed of 50 places in 100 ms of which 26 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 00:43:59] [INFO ] Deduced a trap composed of 54 places in 212 ms of which 139 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 00:43:59] [INFO ] Deduced a trap composed of 54 places in 117 ms of which 48 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 00:43:59] [INFO ] Deduced a trap composed of 51 places in 102 ms of which 33 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 00:43:59] [INFO ] Deduced a trap composed of 51 places in 104 ms of which 39 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 00:43:59] [INFO ] Deduced a trap composed of 55 places in 93 ms of which 28 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 00:44:00] [INFO ] Deduced a trap composed of 55 places in 113 ms of which 50 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 00:44:00] [INFO ] Deduced a trap composed of 55 places in 108 ms of which 45 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 00:44:00] [INFO ] Deduced a trap composed of 54 places in 128 ms of which 57 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 00:44:00] [INFO ] Deduced a trap composed of 55 places in 87 ms of which 27 ms to minimize.
[2025-06-01 00:44:00] [INFO ] Trap strengthening (SAT) tested/added 27/26 trap constraints in 3511 ms
TRAPS : Iteration 2
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 00:44:00] [INFO ] Deduced a trap composed of 40 places in 97 ms of which 24 ms to minimize.
[2025-06-01 00:44:00] [INFO ] Trap strengthening (SAT) tested/added 2/1 trap constraints in 115 ms
TRAPS : Iteration 3
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 00:44:01] [INFO ] Deduced a trap composed of 40 places in 116 ms of which 40 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 00:44:01] [INFO ] Deduced a trap composed of 42 places in 125 ms of which 55 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 00:44:01] [INFO ] Deduced a trap composed of 43 places in 129 ms of which 59 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 00:44:01] [INFO ] Deduced a trap composed of 44 places in 113 ms of which 45 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 00:44:01] [INFO ] Deduced a trap composed of 46 places in 122 ms of which 57 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 00:44:01] [INFO ] Deduced a trap composed of 47 places in 119 ms of which 49 ms to minimize.
[2025-06-01 00:44:01] [INFO ] Trap strengthening (SAT) tested/added 7/6 trap constraints in 805 ms
TRAPS : Iteration 4
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 00:44:01] [INFO ] Deduced a trap composed of 43 places in 95 ms of which 32 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 00:44:02] [INFO ] Deduced a trap composed of 45 places in 126 ms of which 55 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 00:44:02] [INFO ] Deduced a trap composed of 46 places in 96 ms of which 25 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 00:44:02] [INFO ] Deduced a trap composed of 47 places in 103 ms of which 31 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 00:44:02] [INFO ] Deduced a trap composed of 50 places in 105 ms of which 41 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 00:44:02] [INFO ] Deduced a trap composed of 48 places in 108 ms of which 34 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 00:44:02] [INFO ] Deduced a trap composed of 51 places in 94 ms of which 28 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 00:44:02] [INFO ] Deduced a trap composed of 49 places in 115 ms of which 51 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 00:44:02] [INFO ] Deduced a trap composed of 52 places in 98 ms of which 38 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 00:44:02] [INFO ] Deduced a trap composed of 52 places in 108 ms of which 39 ms to minimize.
[2025-06-01 00:44:02] [INFO ] Trap strengthening (SAT) tested/added 11/10 trap constraints in 1171 ms
TRAPS : Iteration 5
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 00:44:03] [INFO ] Deduced a trap composed of 46 places in 94 ms of which 22 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 00:44:03] [INFO ] Deduced a trap composed of 47 places in 88 ms of which 20 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 00:44:03] [INFO ] Deduced a trap composed of 48 places in 105 ms of which 40 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 00:44:03] [INFO ] Deduced a trap composed of 49 places in 105 ms of which 45 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 00:44:03] [INFO ] Deduced a trap composed of 47 places in 108 ms of which 40 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 00:44:03] [INFO ] Deduced a trap composed of 49 places in 98 ms of which 31 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 00:44:03] [INFO ] Deduced a trap composed of 19 places in 79 ms of which 11 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 00:44:04] [INFO ] Deduced a trap composed of 50 places in 94 ms of which 28 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 00:44:04] [INFO ] Deduced a trap composed of 51 places in 108 ms of which 36 ms to minimize.
[2025-06-01 00:44:04] [INFO ] Trap strengthening (SAT) tested/added 10/9 trap constraints in 1011 ms
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 00:44:04] [INFO ] Deduced a trap composed of 16 places in 52 ms of which 4 ms to minimize.
[2025-06-01 00:44:04] [INFO ] Trap strengthening (SAT) tested/added 2/1 trap constraints in 78 ms
TRAPS : Iteration 6
[2025-06-01 00:44:04] [INFO ] After 8206ms SMT Verify possible using trap constraints in natural domain returned unsat :0 sat :3
[2025-06-01 00:44:04] [INFO ] After 8536ms SMT Verify possible using all constraints in natural domain returned unsat :0 sat :3
Over-approximation ignoring read arcs solved 0 properties in 8734 ms.
Knowledge obtained : [(AND p1 p0), (X (X p0)), (X (X p1)), (X (X (AND p1 p0)))]
False Knowledge obtained : []
Knowledge based reduction with 4 factoid took 75 ms. Reduced automaton from 6 states, 10 edges and 2 AP (stutter sensitive) to 6 states, 10 edges and 2 AP (stutter sensitive).
Stuttering acceptance computed with spot in 184 ms :[true, (NOT p1), (NOT p0), (AND (NOT p1) (NOT p0)), (AND (NOT p1) (NOT p0)), (AND (NOT p1) (NOT p0))]
Stuttering acceptance computed with spot in 199 ms :[true, (NOT p1), (NOT p0), (AND (NOT p1) (NOT p0)), (AND (NOT p1) (NOT p0)), (AND (NOT p1) (NOT p0))]
Stuttering acceptance computed with spot in 195 ms :[true, (NOT p1), (NOT p0), (AND (NOT p1) (NOT p0)), (AND (NOT p1) (NOT p0)), (AND (NOT p1) (NOT p0))]
Product exploration explored 100000 steps with 3270 reset in 103 ms.
Product exploration explored 100000 steps with 3293 reset in 117 ms.
Applying partial POR strategy [true, true, true, false, false, false]
Stuttering acceptance computed with spot in 170 ms :[true, (NOT p1), (NOT p0), (AND (NOT p1) (NOT p0)), (AND (NOT p1) (NOT p0)), (AND (NOT p1) (NOT p0))]
Support contains 3 out of 527 places. Attempting structural reductions.
Starting structural reductions in SI_LTL mode, iteration 0 : 527/527 places, 497/497 transitions.
Graph (complete) has 895 edges and 527 vertex of which 526 are kept as prefixes of interest. Removing 1 places using SCC suffix rule.1 ms
Discarding 1 places :
Also discarding 1 output transitions
Drop transitions (Output transitions of discarded places.) removed 1 transitions
Performed 116 Post agglomeration using F-continuation condition.Transition count delta: 0
Iterating post reduction 0 with 116 rules applied. Total rules applied 117 place count 526 transition count 496
Performed 23 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 1 with 23 Pre rules applied. Total rules applied 117 place count 526 transition count 515
Deduced a syphon composed of 139 places in 2 ms
Iterating global reduction 1 with 23 rules applied. Total rules applied 140 place count 526 transition count 515
Discarding 4 places :
Symmetric choice reduction at 1 with 4 rule applications. Total rules 144 place count 522 transition count 511
Deduced a syphon composed of 135 places in 2 ms
Iterating global reduction 1 with 4 rules applied. Total rules applied 148 place count 522 transition count 511
Performed 91 Post agglomeration using F-continuation condition.Transition count delta: -19
Deduced a syphon composed of 226 places in 1 ms
Iterating global reduction 1 with 91 rules applied. Total rules applied 239 place count 522 transition count 530
Discarding 1 places :
Symmetric choice reduction at 1 with 1 rule applications. Total rules 240 place count 521 transition count 529
Deduced a syphon composed of 225 places in 2 ms
Iterating global reduction 1 with 1 rules applied. Total rules applied 241 place count 521 transition count 529
Performed 19 Post agglomeration using F-continuation condition.Transition count delta: -113
Deduced a syphon composed of 244 places in 1 ms
Iterating global reduction 1 with 19 rules applied. Total rules applied 260 place count 521 transition count 642
Discarding 20 places :
Symmetric choice reduction at 1 with 20 rule applications. Total rules 280 place count 501 transition count 602
Deduced a syphon composed of 224 places in 1 ms
Iterating global reduction 1 with 20 rules applied. Total rules applied 300 place count 501 transition count 602
Deduced a syphon composed of 224 places in 1 ms
Applied a total of 300 rules in 56 ms. Remains 501 /527 variables (removed 26) and now considering 602/497 (removed -105) transitions.
Starting Z3 with timeout 200.0 s and query timeout 20000.0 ms
[2025-06-01 00:44:05] [INFO ] Redundant transitions in 4 ms returned []
Running 601 sub problems to find dead transitions.
// Phase 1: matrix 602 rows 501 cols
[2025-06-01 00:44:05] [INFO ] Computed 49 invariants in 21 ms
[2025-06-01 00:44:06] [INFO ] State equation strengthened by 20 read => feed constraints.
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/500 variables, 46/46 constraints. Problems are: Problem set: 0 solved, 601 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/500 variables, 0/46 constraints. Problems are: Problem set: 0 solved, 601 unsolved
At refinement iteration 2 (OVERLAPS) 1/501 variables, 2/48 constraints. Problems are: Problem set: 0 solved, 601 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/501 variables, 1/49 constraints. Problems are: Problem set: 0 solved, 601 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 00:44:25] [INFO ] Deduced a trap composed of 3 places in 26 ms of which 2 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 00:44:25] [INFO ] Deduced a trap composed of 3 places in 18 ms of which 1 ms to minimize.
Problem TDEAD366 is UNSAT
At refinement iteration 4 (INCLUDED_ONLY) 0/501 variables, 2/51 constraints. Problems are: Problem set: 1 solved, 600 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Real declared 501/1103 variables, and 51 constraints, problems are : Problem set: 1 solved, 600 unsolved in 30014 ms.
Refiners :[Positive P Invariants (semi-flows): 2/2 constraints, Generalized P Invariants (flows): 47/47 constraints, State Equation: 0/501 constraints, ReadFeed: 0/20 constraints, PredecessorRefiner: 601/601 constraints, Known Traps: 2/2 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 1 solved, 600 unsolved
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/499 variables, 46/46 constraints. Problems are: Problem set: 1 solved, 600 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/499 variables, 0/46 constraints. Problems are: Problem set: 1 solved, 600 unsolved
At refinement iteration 2 (OVERLAPS) 2/501 variables, 2/48 constraints. Problems are: Problem set: 1 solved, 600 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/501 variables, 1/49 constraints. Problems are: Problem set: 1 solved, 600 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/501 variables, 2/51 constraints. Problems are: Problem set: 1 solved, 600 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/501 variables, 0/51 constraints. Problems are: Problem set: 1 solved, 600 unsolved
Problem TDEAD0 is UNSAT
Problem TDEAD3 is UNSAT
Problem TDEAD4 is UNSAT
Problem TDEAD5 is UNSAT
Problem TDEAD6 is UNSAT
Problem TDEAD8 is UNSAT
Problem TDEAD9 is UNSAT
Problem TDEAD10 is UNSAT
Problem TDEAD11 is UNSAT
Problem TDEAD13 is UNSAT
Problem TDEAD14 is UNSAT
Problem TDEAD18 is UNSAT
Problem TDEAD19 is UNSAT
Problem TDEAD23 is UNSAT
Problem TDEAD24 is UNSAT
Problem TDEAD25 is UNSAT
Problem TDEAD26 is UNSAT
Problem TDEAD28 is UNSAT
Problem TDEAD29 is UNSAT
Problem TDEAD30 is UNSAT
Problem TDEAD31 is UNSAT
Problem TDEAD33 is UNSAT
Problem TDEAD35 is UNSAT
Problem TDEAD39 is UNSAT
Problem TDEAD40 is UNSAT
Problem TDEAD42 is UNSAT
Problem TDEAD45 is UNSAT
Problem TDEAD46 is UNSAT
Problem TDEAD47 is UNSAT
Problem TDEAD48 is UNSAT
Problem TDEAD53 is UNSAT
Problem TDEAD54 is UNSAT
Problem TDEAD55 is UNSAT
Problem TDEAD56 is UNSAT
Problem TDEAD58 is UNSAT
Problem TDEAD59 is UNSAT
Problem TDEAD60 is UNSAT
Problem TDEAD64 is UNSAT
Problem TDEAD65 is UNSAT
Problem TDEAD68 is UNSAT
Problem TDEAD69 is UNSAT
Problem TDEAD71 is UNSAT
Problem TDEAD72 is UNSAT
Problem TDEAD74 is UNSAT
Problem TDEAD75 is UNSAT
Problem TDEAD76 is UNSAT
Problem TDEAD77 is UNSAT
Problem TDEAD78 is UNSAT
Problem TDEAD80 is UNSAT
Problem TDEAD83 is UNSAT
Problem TDEAD87 is UNSAT
Problem TDEAD88 is UNSAT
Problem TDEAD89 is UNSAT
Problem TDEAD91 is UNSAT
Problem TDEAD93 is UNSAT
Problem TDEAD95 is UNSAT
Problem TDEAD96 is UNSAT
Problem TDEAD97 is UNSAT
Problem TDEAD99 is UNSAT
Problem TDEAD100 is UNSAT
Problem TDEAD101 is UNSAT
Problem TDEAD102 is UNSAT
Problem TDEAD104 is UNSAT
Problem TDEAD105 is UNSAT
Problem TDEAD109 is UNSAT
Problem TDEAD110 is UNSAT
Problem TDEAD112 is UNSAT
Problem TDEAD114 is UNSAT
Problem TDEAD115 is UNSAT
Problem TDEAD116 is UNSAT
Problem TDEAD117 is UNSAT
Problem TDEAD119 is UNSAT
Problem TDEAD120 is UNSAT
Problem TDEAD121 is UNSAT
Problem TDEAD122 is UNSAT
Problem TDEAD124 is UNSAT
Problem TDEAD125 is UNSAT
Problem TDEAD129 is UNSAT
Problem TDEAD130 is UNSAT
Problem TDEAD131 is UNSAT
Problem TDEAD135 is UNSAT
Problem TDEAD136 is UNSAT
Problem TDEAD137 is UNSAT
Problem TDEAD138 is UNSAT
Problem TDEAD139 is UNSAT
Problem TDEAD141 is UNSAT
Problem TDEAD142 is UNSAT
Problem TDEAD143 is UNSAT
Problem TDEAD144 is UNSAT
Problem TDEAD145 is UNSAT
Problem TDEAD147 is UNSAT
Problem TDEAD149 is UNSAT
Problem TDEAD153 is UNSAT
Problem TDEAD154 is UNSAT
Problem TDEAD155 is UNSAT
Problem TDEAD156 is UNSAT
Problem TDEAD157 is UNSAT
Problem TDEAD158 is UNSAT
Problem TDEAD159 is UNSAT
Problem TDEAD160 is UNSAT
Problem TDEAD161 is UNSAT
Problem TDEAD162 is UNSAT
Problem TDEAD163 is UNSAT
Problem TDEAD165 is UNSAT
Problem TDEAD166 is UNSAT
Problem TDEAD167 is UNSAT
Problem TDEAD171 is UNSAT
Problem TDEAD174 is UNSAT
Problem TDEAD175 is UNSAT
Problem TDEAD176 is UNSAT
Problem TDEAD177 is UNSAT
Problem TDEAD178 is UNSAT
Problem TDEAD180 is UNSAT
Problem TDEAD181 is UNSAT
Problem TDEAD182 is UNSAT
Problem TDEAD183 is UNSAT
Problem TDEAD185 is UNSAT
Problem TDEAD186 is UNSAT
Problem TDEAD187 is UNSAT
Problem TDEAD191 is UNSAT
Problem TDEAD237 is UNSAT
Problem TDEAD248 is UNSAT
Problem TDEAD249 is UNSAT
Problem TDEAD250 is UNSAT
Problem TDEAD251 is UNSAT
Problem TDEAD252 is UNSAT
Problem TDEAD253 is UNSAT
Problem TDEAD254 is UNSAT
Problem TDEAD255 is UNSAT
Problem TDEAD258 is UNSAT
Problem TDEAD259 is UNSAT
Problem TDEAD260 is UNSAT
Problem TDEAD261 is UNSAT
Problem TDEAD262 is UNSAT
Problem TDEAD263 is UNSAT
Problem TDEAD265 is UNSAT
Problem TDEAD266 is UNSAT
Problem TDEAD267 is UNSAT
Problem TDEAD268 is UNSAT
Problem TDEAD269 is UNSAT
Problem TDEAD270 is UNSAT
Problem TDEAD271 is UNSAT
Problem TDEAD272 is UNSAT
Problem TDEAD273 is UNSAT
Problem TDEAD274 is UNSAT
Problem TDEAD275 is UNSAT
Problem TDEAD276 is UNSAT
Problem TDEAD277 is UNSAT
Problem TDEAD278 is UNSAT
Problem TDEAD279 is UNSAT
Problem TDEAD280 is UNSAT
Problem TDEAD282 is UNSAT
Problem TDEAD283 is UNSAT
Problem TDEAD284 is UNSAT
Problem TDEAD285 is UNSAT
Problem TDEAD286 is UNSAT
Problem TDEAD290 is UNSAT
Problem TDEAD294 is UNSAT
Problem TDEAD298 is UNSAT
Problem TDEAD302 is UNSAT
Problem TDEAD303 is UNSAT
Problem TDEAD304 is UNSAT
Problem TDEAD306 is UNSAT
Problem TDEAD308 is UNSAT
Problem TDEAD314 is UNSAT
Problem TDEAD318 is UNSAT
Problem TDEAD320 is UNSAT
Problem TDEAD322 is UNSAT
Problem TDEAD328 is UNSAT
Problem TDEAD332 is UNSAT
Problem TDEAD336 is UNSAT
Problem TDEAD340 is UNSAT
Problem TDEAD342 is UNSAT
Problem TDEAD346 is UNSAT
Problem TDEAD352 is UNSAT
Problem TDEAD354 is UNSAT
Problem TDEAD358 is UNSAT
Problem TDEAD362 is UNSAT
Problem TDEAD363 is UNSAT
Problem TDEAD364 is UNSAT
Problem TDEAD365 is UNSAT
Problem TDEAD368 is UNSAT
Problem TDEAD372 is UNSAT
Problem TDEAD376 is UNSAT
Problem TDEAD377 is UNSAT
Problem TDEAD378 is UNSAT
Problem TDEAD379 is UNSAT
Problem TDEAD380 is UNSAT
Problem TDEAD381 is UNSAT
Problem TDEAD382 is UNSAT
Problem TDEAD383 is UNSAT
Problem TDEAD384 is UNSAT
Problem TDEAD385 is UNSAT
Problem TDEAD386 is UNSAT
Problem TDEAD387 is UNSAT
Problem TDEAD390 is UNSAT
Problem TDEAD391 is UNSAT
Problem TDEAD394 is UNSAT
Problem TDEAD395 is UNSAT
Problem TDEAD396 is UNSAT
Problem TDEAD397 is UNSAT
Problem TDEAD402 is UNSAT
Problem TDEAD403 is UNSAT
Problem TDEAD404 is UNSAT
Problem TDEAD405 is UNSAT
Problem TDEAD406 is UNSAT
Problem TDEAD407 is UNSAT
Problem TDEAD408 is UNSAT
Problem TDEAD409 is UNSAT
Problem TDEAD410 is UNSAT
Problem TDEAD411 is UNSAT
Problem TDEAD412 is UNSAT
Problem TDEAD413 is UNSAT
Problem TDEAD416 is UNSAT
Problem TDEAD417 is UNSAT
Problem TDEAD420 is UNSAT
Problem TDEAD421 is UNSAT
Problem TDEAD422 is UNSAT
Problem TDEAD423 is UNSAT
Problem TDEAD428 is UNSAT
Problem TDEAD429 is UNSAT
Problem TDEAD430 is UNSAT
Problem TDEAD431 is UNSAT
Problem TDEAD436 is UNSAT
Problem TDEAD437 is UNSAT
Problem TDEAD438 is UNSAT
Problem TDEAD439 is UNSAT
Problem TDEAD440 is UNSAT
Problem TDEAD441 is UNSAT
Problem TDEAD444 is UNSAT
Problem TDEAD445 is UNSAT
Problem TDEAD446 is UNSAT
Problem TDEAD447 is UNSAT
Problem TDEAD448 is UNSAT
Problem TDEAD449 is UNSAT
Problem TDEAD450 is UNSAT
Problem TDEAD451 is UNSAT
Problem TDEAD454 is UNSAT
Problem TDEAD455 is UNSAT
Problem TDEAD456 is UNSAT
Problem TDEAD457 is UNSAT
Problem TDEAD458 is UNSAT
Problem TDEAD459 is UNSAT
Problem TDEAD460 is UNSAT
Problem TDEAD461 is UNSAT
Problem TDEAD462 is UNSAT
Problem TDEAD463 is UNSAT
Problem TDEAD464 is UNSAT
Problem TDEAD465 is UNSAT
Problem TDEAD468 is UNSAT
Problem TDEAD469 is UNSAT
Problem TDEAD472 is UNSAT
Problem TDEAD473 is UNSAT
Problem TDEAD474 is UNSAT
Problem TDEAD475 is UNSAT
Problem TDEAD480 is UNSAT
Problem TDEAD481 is UNSAT
Problem TDEAD482 is UNSAT
Problem TDEAD483 is UNSAT
Problem TDEAD484 is UNSAT
Problem TDEAD485 is UNSAT
Problem TDEAD486 is UNSAT
Problem TDEAD487 is UNSAT
Problem TDEAD488 is UNSAT
Problem TDEAD489 is UNSAT
Problem TDEAD490 is UNSAT
Problem TDEAD491 is UNSAT
Problem TDEAD494 is UNSAT
Problem TDEAD495 is UNSAT
Problem TDEAD498 is UNSAT
Problem TDEAD499 is UNSAT
Problem TDEAD500 is UNSAT
Problem TDEAD501 is UNSAT
Problem TDEAD506 is UNSAT
Problem TDEAD507 is UNSAT
Problem TDEAD508 is UNSAT
Problem TDEAD509 is UNSAT
Problem TDEAD514 is UNSAT
Problem TDEAD515 is UNSAT
Problem TDEAD516 is UNSAT
Problem TDEAD517 is UNSAT
Problem TDEAD518 is UNSAT
Problem TDEAD519 is UNSAT
Problem TDEAD520 is UNSAT
Problem TDEAD521 is UNSAT
Problem TDEAD522 is UNSAT
Problem TDEAD523 is UNSAT
Problem TDEAD524 is UNSAT
Problem TDEAD525 is UNSAT
Problem TDEAD528 is UNSAT
Problem TDEAD529 is UNSAT
Problem TDEAD532 is UNSAT
Problem TDEAD533 is UNSAT
Problem TDEAD534 is UNSAT
Problem TDEAD535 is UNSAT
Problem TDEAD540 is UNSAT
Problem TDEAD541 is UNSAT
Problem TDEAD542 is UNSAT
Problem TDEAD543 is UNSAT
Problem TDEAD544 is UNSAT
Problem TDEAD545 is UNSAT
Problem TDEAD546 is UNSAT
Problem TDEAD547 is UNSAT
Problem TDEAD548 is UNSAT
Problem TDEAD549 is UNSAT
Problem TDEAD550 is UNSAT
Problem TDEAD551 is UNSAT
Problem TDEAD554 is UNSAT
Problem TDEAD555 is UNSAT
Problem TDEAD558 is UNSAT
Problem TDEAD559 is UNSAT
Problem TDEAD560 is UNSAT
Problem TDEAD561 is UNSAT
Problem TDEAD566 is UNSAT
Problem TDEAD567 is UNSAT
Problem TDEAD568 is UNSAT
Problem TDEAD569 is UNSAT
Problem TDEAD572 is UNSAT
Problem TDEAD573 is UNSAT
Problem TDEAD576 is UNSAT
Problem TDEAD577 is UNSAT
Problem TDEAD578 is UNSAT
Problem TDEAD579 is UNSAT
Problem TDEAD580 is UNSAT
Problem TDEAD581 is UNSAT
Problem TDEAD584 is UNSAT
Problem TDEAD585 is UNSAT
Problem TDEAD586 is UNSAT
Problem TDEAD587 is UNSAT
Problem TDEAD588 is UNSAT
Problem TDEAD589 is UNSAT
Problem TDEAD590 is UNSAT
Problem TDEAD591 is UNSAT
Problem TDEAD594 is UNSAT
Problem TDEAD595 is UNSAT
Problem TDEAD596 is UNSAT
Problem TDEAD597 is UNSAT
At refinement iteration 6 (OVERLAPS) 602/1103 variables, 501/552 constraints. Problems are: Problem set: 338 solved, 263 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/1103 variables, 20/572 constraints. Problems are: Problem set: 338 solved, 263 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/1103 variables, 263/835 constraints. Problems are: Problem set: 338 solved, 263 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 1103/1103 variables, and 835 constraints, problems are : Problem set: 338 solved, 263 unsolved in 30024 ms.
Refiners :[Positive P Invariants (semi-flows): 2/2 constraints, Generalized P Invariants (flows): 47/47 constraints, State Equation: 501/501 constraints, ReadFeed: 20/20 constraints, PredecessorRefiner: 263/601 constraints, Known Traps: 2/2 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 60122ms problems are : Problem set: 338 solved, 263 unsolved
Search for dead transitions found 338 dead transitions in 60124ms
Found 338 dead transitions using SMT.
Drop transitions (Dead Transitions using SMT only with invariants) removed 338 transitions
Dead transitions reduction (with SMT) removed 338 transitions
Starting structural reductions in SI_LTL mode, iteration 1 : 501/527 places, 264/497 transitions.
Graph (complete) has 852 edges and 501 vertex of which 277 are kept as prefixes of interest. Removing 224 places using SCC suffix rule.1 ms
Discarding 224 places :
Also discarding 0 output transitions
Applied a total of 1 rules in 5 ms. Remains 277 /501 variables (removed 224) and now considering 264/264 (removed 0) transitions.
Starting structural reductions in SI_LTL mode, iteration 2 : 277/527 places, 264/497 transitions.
Finished structural reductions in SI_LTL mode , in 2 iterations and 60204 ms. Remains : 277/527 places, 264/497 transitions.
Built C files in :
/tmp/ltsmin6317423067850185524
[2025-06-01 00:45:06] [INFO ] Built C files in 6ms conformant to PINS (ltsmin variant)in folder :/tmp/ltsmin6317423067850185524
Running compilation step : cd /tmp/ltsmin6317423067850185524;'/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.ltsmin.binaries_1.0.0.202505121319/bin/limit_time.pl' '3' 'gcc' '-c' '-I/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.ltsmin.binaries_1.0.0.202505121319/bin/include/' '-I.' '-std=c99' '-fPIC' '-O0' 'model.c'
Compilation finished in 725 ms.
Running link step : cd /tmp/ltsmin6317423067850185524;'gcc' '-shared' '-o' 'gal.so' 'model.o'
Link finished in 35 ms.
Running LTSmin : cd /tmp/ltsmin6317423067850185524;'/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.ltsmin.binaries_1.0.0.202505121319/bin/pins2lts-mc-linux64' './gal.so' '--threads=8' '--when' '--hoa' '/tmp/stateBased4905894482217047424.hoa' '--buchi-type=spotba'
WARNING : LTS min runner thread was asked to interrupt. Dying gracefully.
Support contains 3 out of 527 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 527/527 places, 497/497 transitions.
Applied a total of 0 rules in 17 ms. Remains 527 /527 variables (removed 0) and now considering 497/497 (removed 0) transitions.
// Phase 1: matrix 497 rows 527 cols
[2025-06-01 00:45:21] [INFO ] Computed 49 invariants in 23 ms
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-01 00:45:21] [INFO ] Implicit Places using invariants in 184 ms returned []
[2025-06-01 00:45:21] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-01 00:45:23] [INFO ] Implicit Places using invariants and state equation in 1690 ms returned []
Implicit Place search using SMT with State Equation took 1876 ms to find 0 implicit places.
Running 496 sub problems to find dead transitions.
[2025-06-01 00:45:23] [INFO ] Invariant cache hit.
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/526 variables, 46/46 constraints. Problems are: Problem set: 0 solved, 496 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/526 variables, 0/46 constraints. Problems are: Problem set: 0 solved, 496 unsolved
At refinement iteration 2 (OVERLAPS) 1/527 variables, 2/48 constraints. Problems are: Problem set: 0 solved, 496 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/527 variables, 1/49 constraints. Problems are: Problem set: 0 solved, 496 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 00:45:41] [INFO ] Deduced a trap composed of 7 places in 29 ms of which 2 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 00:45:42] [INFO ] Deduced a trap composed of 8 places in 23 ms of which 1 ms to minimize.
At refinement iteration 4 (INCLUDED_ONLY) 0/527 variables, 2/51 constraints. Problems are: Problem set: 0 solved, 496 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/527 variables, 0/51 constraints. Problems are: Problem set: 0 solved, 496 unsolved
At refinement iteration 6 (OVERLAPS) 497/1024 variables, 527/578 constraints. Problems are: Problem set: 0 solved, 496 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Real declared 1024/1024 variables, and 578 constraints, problems are : Problem set: 0 solved, 496 unsolved in 30023 ms.
Refiners :[Positive P Invariants (semi-flows): 2/2 constraints, Generalized P Invariants (flows): 47/47 constraints, State Equation: 527/527 constraints, PredecessorRefiner: 496/496 constraints, Known Traps: 2/2 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 496 unsolved
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/526 variables, 46/46 constraints. Problems are: Problem set: 0 solved, 496 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/526 variables, 0/46 constraints. Problems are: Problem set: 0 solved, 496 unsolved
At refinement iteration 2 (OVERLAPS) 1/527 variables, 2/48 constraints. Problems are: Problem set: 0 solved, 496 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/527 variables, 1/49 constraints. Problems are: Problem set: 0 solved, 496 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/527 variables, 2/51 constraints. Problems are: Problem set: 0 solved, 496 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/527 variables, 0/51 constraints. Problems are: Problem set: 0 solved, 496 unsolved
At refinement iteration 6 (OVERLAPS) 497/1024 variables, 527/578 constraints. Problems are: Problem set: 0 solved, 496 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/1024 variables, 496/1074 constraints. Problems are: Problem set: 0 solved, 496 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 1024/1024 variables, and 1074 constraints, problems are : Problem set: 0 solved, 496 unsolved in 30019 ms.
Refiners :[Positive P Invariants (semi-flows): 2/2 constraints, Generalized P Invariants (flows): 47/47 constraints, State Equation: 527/527 constraints, PredecessorRefiner: 496/496 constraints, Known Traps: 2/2 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 60077ms problems are : Problem set: 0 solved, 496 unsolved
Search for dead transitions found 0 dead transitions in 60079ms
Finished structural reductions in LTL mode , in 1 iterations and 61975 ms. Remains : 527/527 places, 497/497 transitions.
Built C files in :
/tmp/ltsmin1178027053053327818
[2025-06-01 00:46:23] [INFO ] Built C files in 12ms conformant to PINS (ltsmin variant)in folder :/tmp/ltsmin1178027053053327818
Running compilation step : cd /tmp/ltsmin1178027053053327818;'/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 717 ms.
Running link step : cd /tmp/ltsmin1178027053053327818;'gcc' '-shared' '-o' 'gal.so' 'model.o'
Link finished in 35 ms.
Running LTSmin : cd /tmp/ltsmin1178027053053327818;'/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.ltsmin.binaries_1.0.0.202505121319/bin/pins2lts-mc-linux64' './gal.so' '--threads=8' '--when' '--hoa' '/tmp/stateBased2481969393654103343.hoa' '--buchi-type=spotba'
WARNING : LTS min runner thread was asked to interrupt. Dying gracefully.
[2025-06-01 00:46:38] [INFO ] Flatten gal took : 23 ms
[2025-06-01 00:46:38] [INFO ] Flatten gal took : 22 ms
[2025-06-01 00:46:38] [INFO ] Time to serialize gal into /tmp/LTL18244764666995052114.gal : 5 ms
[2025-06-01 00:46:38] [INFO ] Time to serialize properties into /tmp/LTL14685352330937437328.prop : 1 ms
Invoking ITS tools like this :cd /home/mcc/execution;'/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202505121319/bin/its-ltl-linux64' '--gc-threshold' '2000000' '-i' '/tmp/LTL18244764666995052114.gal' '-t' 'CGAL' '-hoa' '/tmp/aut2940887406117458970.hoa' '-atoms' '/tmp/LTL14685352330937437328.prop' '-c' '-stutter-deadlock' '--gen-order' 'FOLLOW'

its-ltl command run as :

/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202505121319/bin/its-ltl-linux64 --gc-threshold 2000000 -i /tmp/L...319
Loading property file /tmp/LTL14685352330937437328.prop.
Loaded 2 atomic propositions.
Checking formula 0 provided in automaton : /tmp/aut2940887406117458970.hoa
Detected timeout of ITS tools.
[2025-06-01 00:46:53] [INFO ] Flatten gal took : 20 ms
[2025-06-01 00:46:53] [INFO ] Flatten gal took : 19 ms
[2025-06-01 00:46:53] [INFO ] Time to serialize gal into /tmp/LTL17311548289421914833.gal : 4 ms
[2025-06-01 00:46:53] [INFO ] Time to serialize properties into /tmp/LTL12924919510811651108.ltl : 2 ms
Invoking ITS tools like this :cd /home/mcc/execution;'/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202505121319/bin/its-ltl-linux64' '--gc-threshold' '2000000' '-i' '/tmp/LTL17311548289421914833.gal' '-t' 'CGAL' '-LTL' '/tmp/LTL12924919510811651108.ltl' '-c' '-stutter-deadlock' '--gen-order' 'FOLLOW'

its-ltl command run as :

/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202505121319/bin/its-ltl-linux64 --gc-threshold 2000000 -i /tmp/L...277
Read 1 LTL properties
Checking formula 0 : !((X((G("((p218<1)||(p237<1))"))||(X(G("(p292<1)"))))))
Formula 0 simplified : X(F!"((p218<1)||(p237<1))" & XF!"(p292<1)")
Detected timeout of ITS tools.
[2025-06-01 00:47:08] [INFO ] Flatten gal took : 18 ms
[2025-06-01 00:47:08] [INFO ] Applying decomposition
[2025-06-01 00:47:08] [INFO ] Flatten gal took : 18 ms
Converted graph to binary with : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.louvain.binaries_1.0.0.202505121319/bin/convert-linux64' '-i' '/tmp/graph14711217453642312580.txt' '-o' '/tmp/graph14711217453642312580.bin' '-w' '/tmp/graph14711217453642312580.weights'
Built communities with : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.louvain.binaries_1.0.0.202505121319/bin/louvain-linux64' '/tmp/graph14711217453642312580.bin' '-l' '-1' '-v' '-w' '/tmp/graph14711217453642312580.weights' '-q' '0' '-e' '0.001'
[2025-06-01 00:47:08] [INFO ] Decomposing Gal with order
[2025-06-01 00:47:08] [INFO ] Rewriting arrays to variables to allow decomposition.
[2025-06-01 00:47:08] [INFO ] Removed a total of 146 redundant transitions.
[2025-06-01 00:47:08] [INFO ] Flatten gal took : 71 ms
[2025-06-01 00:47:08] [INFO ] Fuse similar labels procedure discarded/fused a total of 8 labels/synchronizations in 11 ms.
[2025-06-01 00:47:08] [INFO ] Time to serialize gal into /tmp/LTL12931834939666337301.gal : 9 ms
[2025-06-01 00:47:08] [INFO ] Time to serialize properties into /tmp/LTL3678636125670325898.ltl : 0 ms
Invoking ITS tools like this :cd /home/mcc/execution;'/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202505121319/bin/its-ltl-linux64' '--gc-threshold' '2000000' '-i' '/tmp/LTL12931834939666337301.gal' '-t' 'CGAL' '-LTL' '/tmp/LTL3678636125670325898.ltl' '-c' '-stutter-deadlock'

its-ltl command run as :

/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202505121319/bin/its-ltl-linux64 --gc-threshold 2000000 -i /tmp/L...255
Read 1 LTL properties
Checking formula 0 : !((X((G("((i4.u56.p218<1)||(i4.u66.p237<1))"))||(X(G("(i5.i0.i1.u95.p292<1)"))))))
Formula 0 simplified : X(F!"((i4.u56.p218<1)||(i4.u66.p237<1))" & XF!"(i5.i0.i1.u95.p292<1)")
Detected timeout of ITS tools.
Treatment of property DoubleExponent-PT-010-LTLFireability-11 finished in 504581 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(G(p0)))'
Support contains 1 out of 527 places. Attempting structural reductions.
Starting structural reductions in SI_LTL mode, iteration 0 : 527/527 places, 497/497 transitions.
Graph (complete) has 895 edges and 527 vertex of which 526 are kept as prefixes of interest. Removing 1 places using SCC suffix rule.1 ms
Discarding 1 places :
Also discarding 1 output transitions
Drop transitions (Output transitions of discarded places.) removed 1 transitions
Reduce places removed 1 places and 1 transitions.
Drop transitions (Trivial Post-Agglo cleanup.) removed 121 transitions
Trivial Post-agglo rules discarded 121 transitions
Performed 121 trivial Post agglomeration. Transition count delta: 121
Iterating post reduction 0 with 121 rules applied. Total rules applied 122 place count 525 transition count 374
Reduce places removed 121 places and 0 transitions.
Iterating post reduction 1 with 121 rules applied. Total rules applied 243 place count 404 transition count 374
Performed 21 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 2 with 21 Pre rules applied. Total rules applied 243 place count 404 transition count 353
Deduced a syphon composed of 21 places in 1 ms
Reduce places removed 21 places and 0 transitions.
Iterating global reduction 2 with 42 rules applied. Total rules applied 285 place count 383 transition count 353
Performed 92 Post agglomeration using F-continuation condition.Transition count delta: 92
Deduced a syphon composed of 92 places in 0 ms
Reduce places removed 92 places and 0 transitions.
Iterating global reduction 2 with 184 rules applied. Total rules applied 469 place count 291 transition count 261
Performed 18 Post agglomeration using F-continuation condition.Transition count delta: 0
Deduced a syphon composed of 18 places in 0 ms
Reduce places removed 18 places and 0 transitions.
Iterating global reduction 2 with 36 rules applied. Total rules applied 505 place count 273 transition count 261
Reduce places removed 1 places and 1 transitions.
Iterating global reduction 2 with 1 rules applied. Total rules applied 506 place count 272 transition count 260
Applied a total of 506 rules in 22 ms. Remains 272 /527 variables (removed 255) and now considering 260/497 (removed 237) transitions.
// Phase 1: matrix 260 rows 272 cols
[2025-06-01 00:47:24] [INFO ] Computed 49 invariants in 18 ms
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-01 00:47:24] [INFO ] Implicit Places using invariants in 161 ms returned []
[2025-06-01 00:47:24] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-01 00:47:24] [INFO ] State equation strengthened by 18 read => feed constraints.
[2025-06-01 00:47:25] [INFO ] Implicit Places using invariants and state equation in 1796 ms returned []
Implicit Place search using SMT with State Equation took 1958 ms to find 0 implicit places.
Starting Z3 with timeout 200.0 s and query timeout 20000.0 ms
[2025-06-01 00:47:25] [INFO ] Redundant transitions in 3 ms returned []
Running 259 sub problems to find dead transitions.
[2025-06-01 00:47:25] [INFO ] Invariant cache hit.
[2025-06-01 00:47:25] [INFO ] State equation strengthened by 18 read => feed constraints.
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/271 variables, 2/2 constraints. Problems are: Problem set: 0 solved, 259 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/271 variables, 47/49 constraints. Problems are: Problem set: 0 solved, 259 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/271 variables, 0/49 constraints. Problems are: Problem set: 0 solved, 259 unsolved
At refinement iteration 3 (OVERLAPS) 260/531 variables, 271/320 constraints. Problems are: Problem set: 0 solved, 259 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/531 variables, 18/338 constraints. Problems are: Problem set: 0 solved, 259 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/531 variables, 0/338 constraints. Problems are: Problem set: 0 solved, 259 unsolved
At refinement iteration 6 (OVERLAPS) 1/532 variables, 1/339 constraints. Problems are: Problem set: 0 solved, 259 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 00:47:52] [INFO ] Deduced a trap composed of 14 places in 63 ms of which 4 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 00:47:52] [INFO ] Deduced a trap composed of 18 places in 65 ms of which 5 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 00:47:54] [INFO ] Deduced a trap composed of 38 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 00:47:54] [INFO ] Deduced a trap composed of 40 places in 48 ms of which 3 ms to minimize.
Solver is answering 'unknown', stopping.
After SMT solving in domain Real declared 532/532 variables, and 343 constraints, problems are : Problem set: 0 solved, 259 unsolved in 30020 ms.
Refiners :[Positive P Invariants (semi-flows): 2/2 constraints, Generalized P Invariants (flows): 47/47 constraints, State Equation: 272/272 constraints, ReadFeed: 18/18 constraints, PredecessorRefiner: 259/259 constraints, Known Traps: 4/4 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 259 unsolved
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/271 variables, 2/2 constraints. Problems are: Problem set: 0 solved, 259 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/271 variables, 47/49 constraints. Problems are: Problem set: 0 solved, 259 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/271 variables, 0/49 constraints. Problems are: Problem set: 0 solved, 259 unsolved
At refinement iteration 3 (OVERLAPS) 260/531 variables, 271/320 constraints. Problems are: Problem set: 0 solved, 259 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/531 variables, 18/338 constraints. Problems are: Problem set: 0 solved, 259 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/531 variables, 256/594 constraints. Problems are: Problem set: 0 solved, 259 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/531 variables, 0/594 constraints. Problems are: Problem set: 0 solved, 259 unsolved
At refinement iteration 7 (OVERLAPS) 1/532 variables, 1/595 constraints. Problems are: Problem set: 0 solved, 259 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 532/532 variables, and 598 constraints, problems are : Problem set: 0 solved, 259 unsolved in 30013 ms.
Refiners :[Positive P Invariants (semi-flows): 2/2 constraints, Generalized P Invariants (flows): 47/47 constraints, State Equation: 272/272 constraints, ReadFeed: 18/18 constraints, PredecessorRefiner: 259/259 constraints, Known Traps: 0/4 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 60056ms problems are : Problem set: 0 solved, 259 unsolved
Search for dead transitions found 0 dead transitions in 60058ms
Starting structural reductions in SI_LTL mode, iteration 1 : 272/527 places, 260/497 transitions.
Finished structural reductions in SI_LTL mode , in 1 iterations and 62050 ms. Remains : 272/527 places, 260/497 transitions.
Stuttering acceptance computed with spot in 44 ms :[(NOT p0)]
Running random walk in product with property : DoubleExponent-PT-010-LTLFireability-12
Product exploration explored 100000 steps with 13893 reset in 97 ms.
Product exploration explored 100000 steps with 13915 reset in 102 ms.
Computed a total of 0 stabilizing places and 0 stable transitions
Graph (complete) has 853 edges and 272 vertex of which 271 are kept as prefixes of interest. Removing 1 places using SCC suffix rule.1 ms
Computed a total of 0 stabilizing places and 0 stable transitions
Knowledge obtained : [p0, (X p0), (X (X p0))]
False Knowledge obtained : []
Knowledge based reduction with 3 factoid took 62 ms. Reduced automaton from 1 states, 2 edges and 1 AP (stutter insensitive) to 1 states, 2 edges and 1 AP (stutter insensitive).
Stuttering acceptance computed with spot in 34 ms :[(NOT p0)]
RANDOM walk for 40000 steps (5512 resets) in 59 ms. (666 steps per ms) remains 1/1 properties
BEST_FIRST walk for 40001 steps (3210 resets) in 29 ms. (1333 steps per ms) remains 1/1 properties
Interrupted probabilistic random walk after 659864 steps, run timeout after 3001 ms. (steps per millisecond=219 ) properties seen :0 out of 1
Probabilistic random walk after 659864 steps, saw 330020 distinct states, run finished after 3001 ms. (steps per millisecond=219 ) properties seen :0
[2025-06-01 00:48:29] [INFO ] Invariant cache hit.
[2025-06-01 00:48:29] [INFO ] State equation strengthened by 18 read => feed constraints.
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/1 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 1 (OVERLAPS) 33/34 variables, 3/3 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/34 variables, 0/3 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (OVERLAPS) 59/93 variables, 11/14 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/93 variables, 0/14 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (OVERLAPS) 79/172 variables, 10/24 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/172 variables, 0/24 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (OVERLAPS) 61/233 variables, 19/43 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/233 variables, 0/43 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (OVERLAPS) 3/236 variables, 2/45 constraints. Problems are: Problem set: 0 solved, 1 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 00:48:29] [INFO ] Deduced a trap composed of 6 places in 59 ms of which 5 ms to minimize.
At refinement iteration 10 (INCLUDED_ONLY) 0/236 variables, 1/46 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/236 variables, 0/46 constraints. Problems are: Problem set: 0 solved, 1 unsolved
All remaining problems are real, not stopping.
At refinement iteration 12 (OVERLAPS) 250/486 variables, 236/282 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 13 (INCLUDED_ONLY) 0/486 variables, 16/298 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 14 (INCLUDED_ONLY) 0/486 variables, 0/298 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 15 (OVERLAPS) 40/526 variables, 31/329 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 16 (INCLUDED_ONLY) 0/526 variables, 2/331 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 17 (INCLUDED_ONLY) 0/526 variables, 1/332 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 18 (INCLUDED_ONLY) 0/526 variables, 0/332 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 19 (OVERLAPS) 2/528 variables, 2/334 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 20 (INCLUDED_ONLY) 0/528 variables, 2/336 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 21 (INCLUDED_ONLY) 0/528 variables, 0/336 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 22 (OVERLAPS) 4/532 variables, 3/339 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 23 (INCLUDED_ONLY) 0/532 variables, 1/340 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 24 (INCLUDED_ONLY) 0/532 variables, 0/340 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 25 (OVERLAPS) 0/532 variables, 0/340 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Real declared 532/532 variables, and 340 constraints, problems are : Problem set: 0 solved, 1 unsolved in 333 ms.
Refiners :[Positive P Invariants (semi-flows): 2/2 constraints, Generalized P Invariants (flows): 47/47 constraints, State Equation: 272/272 constraints, ReadFeed: 18/18 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 1/1 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 1 unsolved
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/1 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 1 (OVERLAPS) 33/34 variables, 3/3 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/34 variables, 0/3 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (OVERLAPS) 59/93 variables, 11/14 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/93 variables, 0/14 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (OVERLAPS) 79/172 variables, 10/24 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/172 variables, 0/24 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (OVERLAPS) 61/233 variables, 19/43 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/233 variables, 0/43 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (OVERLAPS) 3/236 variables, 2/45 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/236 variables, 1/46 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/236 variables, 0/46 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 12 (OVERLAPS) 250/486 variables, 236/282 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 13 (INCLUDED_ONLY) 0/486 variables, 16/298 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 14 (INCLUDED_ONLY) 0/486 variables, 1/299 constraints. Problems are: Problem set: 0 solved, 1 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 00:48:29] [INFO ] Deduced a trap along path composed of 2 places in 39 ms of which 1 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 00:48:29] [INFO ] Deduced a trap along path composed of 2 places in 30 ms of which 1 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 00:48:30] [INFO ] Deduced a trap along path composed of 3 places in 29 ms of which 1 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 00:48:30] [INFO ] Deduced a trap along path composed of 3 places in 23 ms of which 0 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 00:48:30] [INFO ] Deduced a trap along path composed of 7 places in 25 ms of which 0 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 00:48:30] [INFO ] Deduced a trap along path composed of 2 places in 25 ms of which 1 ms to minimize.
At refinement iteration 15 (INCLUDED_ONLY) 0/486 variables, 6/305 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 16 (INCLUDED_ONLY) 0/486 variables, 0/305 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 17 (OVERLAPS) 40/526 variables, 31/336 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 18 (INCLUDED_ONLY) 0/526 variables, 2/338 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 19 (INCLUDED_ONLY) 0/526 variables, 1/339 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 20 (INCLUDED_ONLY) 0/526 variables, 0/339 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 21 (OVERLAPS) 2/528 variables, 2/341 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 22 (INCLUDED_ONLY) 0/528 variables, 2/343 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 23 (INCLUDED_ONLY) 0/528 variables, 0/343 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 24 (OVERLAPS) 4/532 variables, 3/346 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 25 (INCLUDED_ONLY) 0/532 variables, 1/347 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 26 (INCLUDED_ONLY) 0/532 variables, 0/347 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 27 (OVERLAPS) 0/532 variables, 0/347 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Int declared 532/532 variables, and 347 constraints, problems are : Problem set: 0 solved, 1 unsolved in 601 ms.
Refiners :[Positive P Invariants (semi-flows): 2/2 constraints, Generalized P Invariants (flows): 47/47 constraints, State Equation: 272/272 constraints, ReadFeed: 18/18 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 1/1 constraints, Known Traps Along Path: 6/6 constraints]
After SMT, in 938ms problems are : Problem set: 0 solved, 1 unsolved
Parikh walk visited 0 properties in 344 ms.
Support contains 1 out of 272 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 272/272 places, 260/260 transitions.
Graph (complete) has 813 edges and 272 vertex of which 271 are kept as prefixes of interest. Removing 1 places using SCC suffix rule.0 ms
Discarding 1 places :
Also discarding 0 output 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 2 place count 271 transition count 259
Free-agglomeration rule (complex) applied 37 times.
Iterating global reduction 1 with 37 rules applied. Total rules applied 39 place count 271 transition count 222
Reduce places removed 37 places and 0 transitions.
Iterating post reduction 1 with 37 rules applied. Total rules applied 76 place count 234 transition count 222
Partial Free-agglomeration rule applied 39 times.
Drop transitions (Partial Free agglomeration) removed 39 transitions
Iterating global reduction 2 with 39 rules applied. Total rules applied 115 place count 234 transition count 222
Applied a total of 115 rules in 12 ms. Remains 234 /272 variables (removed 38) and now considering 222/260 (removed 38) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 12 ms. Remains : 234/272 places, 222/260 transitions.
RANDOM walk for 40000 steps (5098 resets) in 56 ms. (701 steps per ms) remains 1/1 properties
BEST_FIRST walk for 40002 steps (3348 resets) in 32 ms. (1212 steps per ms) remains 1/1 properties
Interrupted probabilistic random walk after 692099 steps, run timeout after 3001 ms. (steps per millisecond=230 ) properties seen :0 out of 1
Probabilistic random walk after 692099 steps, saw 346269 distinct states, run finished after 3001 ms. (steps per millisecond=230 ) properties seen :0
// Phase 1: matrix 222 rows 234 cols
[2025-06-01 00:48:33] [INFO ] Computed 49 invariants in 17 ms
[2025-06-01 00:48:33] [INFO ] State equation strengthened by 37 read => feed constraints.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/1 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 1 (OVERLAPS) 34/35 variables, 5/5 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/35 variables, 0/5 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (OVERLAPS) 39/74 variables, 1/6 constraints. Problems are: Problem set: 0 solved, 1 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 00:48:33] [INFO ] Deduced a trap composed of 19 places in 32 ms of which 3 ms to minimize.
At refinement iteration 4 (INCLUDED_ONLY) 0/74 variables, 1/7 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/74 variables, 0/7 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (OVERLAPS) 142/216 variables, 36/43 constraints. Problems are: Problem set: 0 solved, 1 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 00:48:33] [INFO ] Deduced a trap composed of 7 places in 85 ms of which 6 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 00:48:34] [INFO ] Deduced a trap composed of 9 places in 84 ms of which 7 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 00:48:34] [INFO ] Deduced a trap composed of 4 places in 72 ms of which 5 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 00:48:34] [INFO ] Deduced a trap composed of 11 places in 71 ms of which 6 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 00:48:34] [INFO ] Deduced a trap composed of 13 places in 68 ms of which 6 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 00:48:34] [INFO ] Deduced a trap composed of 13 places in 55 ms of which 5 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 00:48:34] [INFO ] Deduced a trap composed of 16 places in 52 ms of which 5 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 00:48:34] [INFO ] Deduced a trap composed of 18 places in 52 ms of which 6 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 00:48:34] [INFO ] Deduced a trap composed of 19 places in 55 ms of which 6 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 00:48:34] [INFO ] Deduced a trap composed of 22 places in 50 ms of which 4 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 00:48:34] [INFO ] Deduced a trap composed of 25 places in 46 ms of which 4 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 00:48:34] [INFO ] Deduced a trap composed of 26 places in 42 ms of which 4 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 00:48:34] [INFO ] Deduced a trap composed of 27 places in 44 ms of which 4 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 00:48:34] [INFO ] Deduced a trap composed of 29 places in 41 ms of which 3 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 00:48:34] [INFO ] Deduced a trap composed of 32 places in 38 ms of which 3 ms to minimize.
At refinement iteration 7 (INCLUDED_ONLY) 0/216 variables, 15/58 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/216 variables, 0/58 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (OVERLAPS) 13/229 variables, 5/63 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/229 variables, 0/63 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 11 (OVERLAPS) 222/451 variables, 229/292 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 12 (INCLUDED_ONLY) 0/451 variables, 37/329 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 13 (INCLUDED_ONLY) 0/451 variables, 0/329 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 14 (OVERLAPS) 5/456 variables, 5/334 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 15 (INCLUDED_ONLY) 0/456 variables, 2/336 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 16 (INCLUDED_ONLY) 0/456 variables, 0/336 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 17 (OVERLAPS) 0/456 variables, 0/336 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Real declared 456/456 variables, and 336 constraints, problems are : Problem set: 0 solved, 1 unsolved in 1247 ms.
Refiners :[Positive P Invariants (semi-flows): 3/3 constraints, Generalized P Invariants (flows): 46/46 constraints, State Equation: 234/234 constraints, ReadFeed: 37/37 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 16/16 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 1 unsolved
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/1 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 1 (OVERLAPS) 34/35 variables, 5/5 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/35 variables, 0/5 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (OVERLAPS) 39/74 variables, 1/6 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/74 variables, 1/7 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/74 variables, 0/7 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (OVERLAPS) 142/216 variables, 36/43 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/216 variables, 15/58 constraints. Problems are: Problem set: 0 solved, 1 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 00:48:35] [INFO ] Deduced a trap composed of 24 places in 43 ms of which 3 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 00:48:35] [INFO ] Deduced a trap composed of 30 places in 40 ms of which 4 ms to minimize.
At refinement iteration 8 (INCLUDED_ONLY) 0/216 variables, 2/60 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/216 variables, 0/60 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (OVERLAPS) 13/229 variables, 5/65 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/229 variables, 0/65 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 12 (OVERLAPS) 222/451 variables, 229/294 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 13 (INCLUDED_ONLY) 0/451 variables, 37/331 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 14 (INCLUDED_ONLY) 0/451 variables, 1/332 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 15 (INCLUDED_ONLY) 0/451 variables, 0/332 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 16 (OVERLAPS) 5/456 variables, 5/337 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 17 (INCLUDED_ONLY) 0/456 variables, 2/339 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 18 (INCLUDED_ONLY) 0/456 variables, 0/339 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 19 (OVERLAPS) 0/456 variables, 0/339 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Int declared 456/456 variables, and 339 constraints, problems are : Problem set: 0 solved, 1 unsolved in 421 ms.
Refiners :[Positive P Invariants (semi-flows): 3/3 constraints, Generalized P Invariants (flows): 46/46 constraints, State Equation: 234/234 constraints, ReadFeed: 37/37 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 18/18 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 1689ms problems are : Problem set: 0 solved, 1 unsolved
Parikh walk visited 0 properties in 265 ms.
Support contains 1 out of 234 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 234/234 places, 222/222 transitions.
Applied a total of 0 rules in 3 ms. Remains 234 /234 variables (removed 0) and now considering 222/222 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 3 ms. Remains : 234/234 places, 222/222 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 234/234 places, 222/222 transitions.
Applied a total of 0 rules in 4 ms. Remains 234 /234 variables (removed 0) and now considering 222/222 (removed 0) transitions.
[2025-06-01 00:48:35] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-01 00:48:36] [INFO ] Implicit Places using invariants in 946 ms returned [20, 26, 46, 51, 72, 77, 97, 103, 124, 130, 131, 151, 156, 178, 184, 191, 225, 231]
[2025-06-01 00:48:36] [INFO ] Actually due to overlaps returned [191, 130]
Discarding 2 places :
Implicit Place search using SMT only with invariants took 948 ms to find 2 implicit places.
Starting structural reductions in REACHABILITY mode, iteration 1 : 232/234 places, 222/222 transitions.
Free-agglomeration rule (complex) applied 1 times.
Iterating global reduction 0 with 1 rules applied. Total rules applied 1 place count 232 transition count 221
Reduce places removed 1 places and 0 transitions.
Iterating post reduction 0 with 1 rules applied. Total rules applied 2 place count 231 transition count 221
Applied a total of 2 rules in 10 ms. Remains 231 /232 variables (removed 1) and now considering 221/222 (removed 1) transitions.
// Phase 1: matrix 221 rows 231 cols
[2025-06-01 00:48:36] [INFO ] Computed 47 invariants in 15 ms
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-01 00:48:37] [INFO ] Implicit Places using invariants in 819 ms returned [20, 26, 46, 51, 72, 77, 97, 103, 124, 130, 150, 155, 177, 183, 222, 228]
[2025-06-01 00:48:37] [INFO ] Actually due to overlaps returned [228, 222]
Discarding 2 places :
Implicit Place search using SMT only with invariants took 827 ms to find 2 implicit places.
Starting structural reductions in REACHABILITY mode, iteration 2 : 229/234 places, 221/222 transitions.
Free-agglomeration rule (complex) applied 1 times.
Iterating global reduction 0 with 1 rules applied. Total rules applied 1 place count 229 transition count 220
Reduce places removed 1 places and 0 transitions.
Iterating post reduction 0 with 1 rules applied. Total rules applied 2 place count 228 transition count 220
Applied a total of 2 rules in 9 ms. Remains 228 /229 variables (removed 1) and now considering 220/221 (removed 1) transitions.
// Phase 1: matrix 220 rows 228 cols
[2025-06-01 00:48:37] [INFO ] Computed 45 invariants in 16 ms
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-01 00:48:38] [INFO ] Implicit Places using invariants in 659 ms returned [20, 26, 46, 51, 72, 77, 97, 103, 124, 130, 150, 155, 177, 183]
[2025-06-01 00:48:38] [INFO ] Actually due to overlaps returned [26, 20]
Discarding 2 places :
Implicit Place search using SMT only with invariants took 665 ms to find 2 implicit places.
Starting structural reductions in REACHABILITY mode, iteration 3 : 226/234 places, 220/222 transitions.
Free-agglomeration rule (complex) applied 1 times.
Iterating global reduction 0 with 1 rules applied. Total rules applied 1 place count 226 transition count 219
Reduce places removed 1 places and 0 transitions.
Iterating post reduction 0 with 1 rules applied. Total rules applied 2 place count 225 transition count 219
Applied a total of 2 rules in 9 ms. Remains 225 /226 variables (removed 1) and now considering 219/220 (removed 1) transitions.
// Phase 1: matrix 219 rows 225 cols
[2025-06-01 00:48:38] [INFO ] Computed 43 invariants in 13 ms
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-01 00:48:38] [INFO ] Implicit Places using invariants in 577 ms returned [43, 48, 69, 74, 94, 100, 121, 127, 147, 152, 174, 180]
[2025-06-01 00:48:38] [INFO ] Actually due to overlaps returned [48, 43]
Discarding 2 places :
Implicit Place search using SMT only with invariants took 578 ms to find 2 implicit places.
Starting structural reductions in REACHABILITY mode, iteration 4 : 223/234 places, 219/222 transitions.
Free-agglomeration rule (complex) applied 1 times.
Iterating global reduction 0 with 1 rules applied. Total rules applied 1 place count 223 transition count 218
Reduce places removed 1 places and 0 transitions.
Iterating post reduction 0 with 1 rules applied. Total rules applied 2 place count 222 transition count 218
Applied a total of 2 rules in 11 ms. Remains 222 /223 variables (removed 1) and now considering 218/219 (removed 1) transitions.
// Phase 1: matrix 218 rows 222 cols
[2025-06-01 00:48:38] [INFO ] Computed 41 invariants in 10 ms
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-01 00:48:39] [INFO ] Implicit Places using invariants in 497 ms returned [66, 71, 91, 97, 118, 124, 144, 149, 171, 177]
[2025-06-01 00:48:39] [INFO ] Actually due to overlaps returned [71, 66]
Discarding 2 places :
Implicit Place search using SMT only with invariants took 498 ms to find 2 implicit places.
Starting structural reductions in REACHABILITY mode, iteration 5 : 220/234 places, 218/222 transitions.
Free-agglomeration rule (complex) applied 1 times.
Iterating global reduction 0 with 1 rules applied. Total rules applied 1 place count 220 transition count 217
Reduce places removed 1 places and 0 transitions.
Iterating post reduction 0 with 1 rules applied. Total rules applied 2 place count 219 transition count 217
Applied a total of 2 rules in 8 ms. Remains 219 /220 variables (removed 1) and now considering 217/218 (removed 1) transitions.
// Phase 1: matrix 217 rows 219 cols
[2025-06-01 00:48:39] [INFO ] Computed 39 invariants in 11 ms
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-01 00:48:39] [INFO ] Implicit Places using invariants in 387 ms returned [88, 94, 115, 121, 141, 146, 168, 174]
[2025-06-01 00:48:39] [INFO ] Actually due to overlaps returned [94, 88]
Discarding 2 places :
Implicit Place search using SMT only with invariants took 392 ms to find 2 implicit places.
Starting structural reductions in REACHABILITY mode, iteration 6 : 217/234 places, 217/222 transitions.
Free-agglomeration rule (complex) applied 1 times.
Iterating global reduction 0 with 1 rules applied. Total rules applied 1 place count 217 transition count 216
Reduce places removed 1 places and 0 transitions.
Iterating post reduction 0 with 1 rules applied. Total rules applied 2 place count 216 transition count 216
Applied a total of 2 rules in 10 ms. Remains 216 /217 variables (removed 1) and now considering 216/217 (removed 1) transitions.
// Phase 1: matrix 216 rows 216 cols
[2025-06-01 00:48:39] [INFO ] Computed 37 invariants in 10 ms
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-01 00:48:40] [INFO ] Implicit Places using invariants in 356 ms returned [112, 118, 138, 143, 165, 171]
[2025-06-01 00:48:40] [INFO ] Actually due to overlaps returned [118, 112]
Discarding 2 places :
Implicit Place search using SMT only with invariants took 357 ms to find 2 implicit places.
Starting structural reductions in REACHABILITY mode, iteration 7 : 214/234 places, 216/222 transitions.
Free-agglomeration rule (complex) applied 1 times.
Iterating global reduction 0 with 1 rules applied. Total rules applied 1 place count 214 transition count 215
Reduce places removed 1 places and 0 transitions.
Iterating post reduction 0 with 1 rules applied. Total rules applied 2 place count 213 transition count 215
Applied a total of 2 rules in 10 ms. Remains 213 /214 variables (removed 1) and now considering 215/216 (removed 1) transitions.
// Phase 1: matrix 215 rows 213 cols
[2025-06-01 00:48:40] [INFO ] Computed 35 invariants in 10 ms
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-01 00:48:40] [INFO ] Implicit Places using invariants in 336 ms returned [135, 140, 162, 168]
[2025-06-01 00:48:40] [INFO ] Actually due to overlaps returned [140, 135]
Discarding 2 places :
Implicit Place search using SMT only with invariants took 336 ms to find 2 implicit places.
Starting structural reductions in REACHABILITY mode, iteration 8 : 211/234 places, 215/222 transitions.
Free-agglomeration rule (complex) applied 1 times.
Iterating global reduction 0 with 1 rules applied. Total rules applied 1 place count 211 transition count 214
Reduce places removed 1 places and 0 transitions.
Iterating post reduction 0 with 1 rules applied. Total rules applied 2 place count 210 transition count 214
Applied a total of 2 rules in 10 ms. Remains 210 /211 variables (removed 1) and now considering 214/215 (removed 1) transitions.
// Phase 1: matrix 214 rows 210 cols
[2025-06-01 00:48:40] [INFO ] Computed 33 invariants in 11 ms
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-01 00:48:40] [INFO ] Implicit Places using invariants in 303 ms returned [159, 165]
Discarding 2 places :
Implicit Place search using SMT only with invariants took 303 ms to find 2 implicit places.
Starting structural reductions in REACHABILITY mode, iteration 9 : 208/234 places, 214/222 transitions.
Free-agglomeration rule (complex) applied 1 times.
Iterating global reduction 0 with 1 rules applied. Total rules applied 1 place count 208 transition count 213
Reduce places removed 1 places and 0 transitions.
Iterating post reduction 0 with 1 rules applied. Total rules applied 2 place count 207 transition count 213
Applied a total of 2 rules in 14 ms. Remains 207 /208 variables (removed 1) and now considering 213/214 (removed 1) transitions.
// Phase 1: matrix 213 rows 207 cols
[2025-06-01 00:48:40] [INFO ] Computed 31 invariants in 9 ms
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-01 00:48:41] [INFO ] Implicit Places using invariants in 306 ms returned []
[2025-06-01 00:48:41] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-01 00:48:41] [INFO ] State equation strengthened by 37 read => feed constraints.
[2025-06-01 00:48:42] [INFO ] Implicit Places using invariants and state equation in 1959 ms returned []
Implicit Place search using SMT with State Equation took 2265 ms to find 0 implicit places.
Starting structural reductions in REACHABILITY mode, iteration 10 : 207/234 places, 213/222 transitions.
Finished structural reductions in REACHABILITY mode , in 10 iterations and 7265 ms. Remains : 207/234 places, 213/222 transitions.
RANDOM walk for 40000 steps (5748 resets) in 57 ms. (689 steps per ms) remains 1/1 properties
BEST_FIRST walk for 40001 steps (3607 resets) in 28 ms. (1379 steps per ms) remains 1/1 properties
Interrupted probabilistic random walk after 753608 steps, run timeout after 3001 ms. (steps per millisecond=251 ) properties seen :0 out of 1
Probabilistic random walk after 753608 steps, saw 376882 distinct states, run finished after 3001 ms. (steps per millisecond=251 ) properties seen :0
[2025-06-01 00:48:46] [INFO ] Invariant cache hit.
[2025-06-01 00:48:46] [INFO ] State equation strengthened by 37 read => feed constraints.
Starting Z3 with timeout 75.0 s and query timeout 7500.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/1 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 1 (OVERLAPS) 135/136 variables, 8/8 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/136 variables, 0/8 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (OVERLAPS) 12/148 variables, 3/11 constraints. Problems are: Problem set: 0 solved, 1 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 00:48:46] [INFO ] Deduced a trap composed of 57 places in 80 ms of which 16 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 00:48:46] [INFO ] Deduced a trap composed of 57 places in 83 ms of which 20 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 00:48:46] [INFO ] Deduced a trap composed of 55 places in 84 ms of which 18 ms to minimize.
At refinement iteration 4 (INCLUDED_ONLY) 0/148 variables, 3/14 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/148 variables, 0/14 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (OVERLAPS) 54/202 variables, 18/32 constraints. Problems are: Problem set: 0 solved, 1 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 00:48:46] [INFO ] Deduced a trap composed of 4 places in 98 ms of which 6 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 00:48:46] [INFO ] Deduced a trap composed of 6 places in 89 ms of which 8 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 00:48:46] [INFO ] Deduced a trap composed of 7 places in 88 ms of which 8 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 00:48:46] [INFO ] Deduced a trap composed of 7 places in 86 ms of which 7 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 00:48:46] [INFO ] Deduced a trap composed of 10 places in 92 ms of which 9 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 00:48:46] [INFO ] Deduced a trap composed of 10 places in 91 ms of which 9 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 00:48:47] [INFO ] Deduced a trap composed of 12 places in 89 ms of which 10 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 00:48:47] [INFO ] Deduced a trap composed of 12 places in 92 ms of which 10 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 00:48:47] [INFO ] Deduced a trap composed of 13 places in 91 ms of which 10 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 00:48:47] [INFO ] Deduced a trap composed of 13 places in 88 ms of which 10 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 00:48:47] [INFO ] Deduced a trap composed of 13 places in 86 ms of which 10 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 00:48:47] [INFO ] Deduced a trap composed of 15 places in 90 ms of which 11 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 00:48:47] [INFO ] Deduced a trap composed of 15 places in 90 ms of which 11 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 00:48:47] [INFO ] Deduced a trap composed of 16 places in 95 ms of which 11 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 00:48:47] [INFO ] Deduced a trap composed of 16 places in 91 ms of which 12 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 00:48:47] [INFO ] Deduced a trap composed of 16 places in 93 ms of which 11 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 00:48:47] [INFO ] Deduced a trap composed of 18 places in 94 ms of which 13 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 00:48:48] [INFO ] Deduced a trap composed of 18 places in 89 ms of which 13 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 00:48:48] [INFO ] Deduced a trap composed of 19 places in 90 ms of which 13 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 00:48:48] [INFO ] Deduced a trap composed of 19 places in 97 ms of which 13 ms to minimize.
At refinement iteration 7 (INCLUDED_ONLY) 0/202 variables, 20/52 constraints. Problems are: Problem set: 0 solved, 1 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 00:48:48] [INFO ] Deduced a trap composed of 19 places in 86 ms of which 13 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 00:48:48] [INFO ] Deduced a trap composed of 21 places in 47 ms of which 4 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 00:48:48] [INFO ] Deduced a trap composed of 22 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 00:48:48] [INFO ] Deduced a trap composed of 25 places in 42 ms of which 4 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 00:48:48] [INFO ] Deduced a trap composed of 26 places in 38 ms of which 3 ms to minimize.
At refinement iteration 8 (INCLUDED_ONLY) 0/202 variables, 5/57 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/202 variables, 0/57 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (OVERLAPS) 213/415 variables, 202/259 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/415 variables, 37/296 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 12 (INCLUDED_ONLY) 0/415 variables, 0/296 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 13 (OVERLAPS) 5/420 variables, 5/301 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 14 (INCLUDED_ONLY) 0/420 variables, 2/303 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 15 (INCLUDED_ONLY) 0/420 variables, 0/303 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 16 (OVERLAPS) 0/420 variables, 0/303 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Real declared 420/420 variables, and 303 constraints, problems are : Problem set: 0 solved, 1 unsolved in 2753 ms.
Refiners :[Positive P Invariants (semi-flows): 13/13 constraints, Generalized P Invariants (flows): 18/18 constraints, State Equation: 207/207 constraints, ReadFeed: 37/37 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 28/28 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 1 unsolved
Starting Z3 with timeout 75.0 s and query timeout 7500.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/1 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 1 (OVERLAPS) 135/136 variables, 8/8 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/136 variables, 0/8 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (OVERLAPS) 12/148 variables, 3/11 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/148 variables, 3/14 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/148 variables, 0/14 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (OVERLAPS) 54/202 variables, 18/32 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/202 variables, 25/57 constraints. Problems are: Problem set: 0 solved, 1 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 00:48:48] [INFO ] Deduced a trap composed of 9 places in 86 ms of which 8 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 00:48:49] [INFO ] Deduced a trap composed of 24 places in 90 ms of which 15 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 00:48:49] [INFO ] Deduced a trap composed of 25 places in 89 ms of which 14 ms to minimize.
At refinement iteration 8 (INCLUDED_ONLY) 0/202 variables, 3/60 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/202 variables, 0/60 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (OVERLAPS) 213/415 variables, 202/262 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/415 variables, 37/299 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 12 (INCLUDED_ONLY) 0/415 variables, 1/300 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 13 (INCLUDED_ONLY) 0/415 variables, 0/300 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 14 (OVERLAPS) 5/420 variables, 5/305 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 15 (INCLUDED_ONLY) 0/420 variables, 2/307 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 16 (INCLUDED_ONLY) 0/420 variables, 0/307 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 17 (OVERLAPS) 0/420 variables, 0/307 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Int declared 420/420 variables, and 307 constraints, problems are : Problem set: 0 solved, 1 unsolved in 640 ms.
Refiners :[Positive P Invariants (semi-flows): 13/13 constraints, Generalized P Invariants (flows): 18/18 constraints, State Equation: 207/207 constraints, ReadFeed: 37/37 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 31/31 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 3395ms problems are : Problem set: 0 solved, 1 unsolved
Parikh walk visited 0 properties in 307 ms.
Support contains 1 out of 207 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 207/207 places, 213/213 transitions.
Applied a total of 0 rules in 3 ms. Remains 207 /207 variables (removed 0) and now considering 213/213 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 3 ms. Remains : 207/207 places, 213/213 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 207/207 places, 213/213 transitions.
Applied a total of 0 rules in 3 ms. Remains 207 /207 variables (removed 0) and now considering 213/213 (removed 0) transitions.
[2025-06-01 00:48:49] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-01 00:48:50] [INFO ] Implicit Places using invariants in 313 ms returned []
[2025-06-01 00:48:50] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-01 00:48:50] [INFO ] State equation strengthened by 37 read => feed constraints.
[2025-06-01 00:48:52] [INFO ] Implicit Places using invariants and state equation in 1990 ms returned []
Implicit Place search using SMT with State Equation took 2305 ms to find 0 implicit places.
Starting Z3 with timeout 200.0 s and query timeout 20000.0 ms
[2025-06-01 00:48:52] [INFO ] Redundant transitions in 1 ms returned []
Running 212 sub problems to find dead transitions.
[2025-06-01 00:48:52] [INFO ] Invariant cache hit.
[2025-06-01 00:48:52] [INFO ] State equation strengthened by 37 read => feed constraints.
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/206 variables, 2/2 constraints. Problems are: Problem set: 0 solved, 212 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/206 variables, 18/20 constraints. Problems are: Problem set: 0 solved, 212 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/206 variables, 0/20 constraints. Problems are: Problem set: 0 solved, 212 unsolved
At refinement iteration 3 (OVERLAPS) 1/207 variables, 11/31 constraints. Problems are: Problem set: 0 solved, 212 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/207 variables, 0/31 constraints. Problems are: Problem set: 0 solved, 212 unsolved
At refinement iteration 5 (OVERLAPS) 213/420 variables, 207/238 constraints. Problems are: Problem set: 0 solved, 212 unsolved
All remaining problems are real, not stopping.
At refinement iteration 6 (INCLUDED_ONLY) 0/420 variables, 37/275 constraints. Problems are: Problem set: 0 solved, 212 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/420 variables, 0/275 constraints. Problems are: Problem set: 0 solved, 212 unsolved
At refinement iteration 8 (OVERLAPS) 0/420 variables, 0/275 constraints. Problems are: Problem set: 0 solved, 212 unsolved
No progress, stopping.
After SMT solving in domain Real declared 420/420 variables, and 275 constraints, problems are : Problem set: 0 solved, 212 unsolved in 14213 ms.
Refiners :[Positive P Invariants (semi-flows): 13/13 constraints, Generalized P Invariants (flows): 18/18 constraints, State Equation: 207/207 constraints, ReadFeed: 37/37 constraints, PredecessorRefiner: 212/212 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 212 unsolved
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/206 variables, 2/2 constraints. Problems are: Problem set: 0 solved, 212 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/206 variables, 18/20 constraints. Problems are: Problem set: 0 solved, 212 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/206 variables, 0/20 constraints. Problems are: Problem set: 0 solved, 212 unsolved
At refinement iteration 3 (OVERLAPS) 1/207 variables, 11/31 constraints. Problems are: Problem set: 0 solved, 212 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/207 variables, 0/31 constraints. Problems are: Problem set: 0 solved, 212 unsolved
At refinement iteration 5 (OVERLAPS) 213/420 variables, 207/238 constraints. Problems are: Problem set: 0 solved, 212 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/420 variables, 37/275 constraints. Problems are: Problem set: 0 solved, 212 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/420 variables, 212/487 constraints. Problems are: Problem set: 0 solved, 212 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 00:49:17] [INFO ] Deduced a trap composed of 4 places in 77 ms of which 5 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 00:49:17] [INFO ] Deduced a trap composed of 9 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 00:49:18] [INFO ] Deduced a trap composed of 29 places in 82 ms of which 14 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 00:49:18] [INFO ] Deduced a trap composed of 41 places in 91 ms of which 19 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 00:49:19] [INFO ] Deduced a trap composed of 8 places in 77 ms of which 5 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 00:49:19] [INFO ] Deduced a trap composed of 37 places in 86 ms of which 16 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 00:49:20] [INFO ] Deduced a trap composed of 9 places in 85 ms of which 7 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 00:49:22] [INFO ] Deduced a trap composed of 18 places in 85 ms of which 11 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 00:49:22] [INFO ] Deduced a trap composed of 22 places in 79 ms of which 13 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 00:49:22] [INFO ] Deduced a trap composed of 24 places in 81 ms of which 14 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 00:49:22] [INFO ] Deduced a trap composed of 25 places in 95 ms of which 14 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 00:49:23] [INFO ] Deduced a trap composed of 28 places in 89 ms of which 16 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 00:49:23] [INFO ] Deduced a trap composed of 61 places in 103 ms of which 26 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 00:49:24] [INFO ] Deduced a trap composed of 62 places in 112 ms of which 32 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 00:49:24] [INFO ] Deduced a trap composed of 62 places in 87 ms of which 17 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 00:49:25] [INFO ] Deduced a trap composed of 65 places in 100 ms of which 24 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 00:49:25] [INFO ] Deduced a trap composed of 66 places in 100 ms of which 24 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 00:49:25] [INFO ] Deduced a trap composed of 67 places in 97 ms of which 25 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 00:49:25] [INFO ] Deduced a trap composed of 67 places in 101 ms of which 29 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 00:49:26] [INFO ] Deduced a trap composed of 70 places in 90 ms of which 24 ms to minimize.
At refinement iteration 8 (INCLUDED_ONLY) 0/420 variables, 20/507 constraints. Problems are: Problem set: 0 solved, 212 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 00:49:36] [INFO ] Deduced a trap composed of 68 places in 90 ms of which 19 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 00:49:36] [INFO ] Deduced a trap composed of 68 places in 89 ms of which 18 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 00:49:36] [INFO ] Deduced a trap composed of 70 places in 86 ms of which 18 ms to minimize.
SMT process timed out in 44328ms, After SMT, problems are : Problem set: 0 solved, 212 unsolved
Search for dead transitions found 0 dead transitions in 44329ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 46642 ms. Remains : 207/207 places, 213/213 transitions.
Attempting over-approximation, by ignoring read arcs.
Performed 18 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 0 with 18 Pre rules applied. Total rules applied 0 place count 207 transition count 195
Deduced a syphon composed of 18 places in 0 ms
Reduce places removed 18 places and 0 transitions.
Iterating global reduction 0 with 36 rules applied. Total rules applied 36 place count 189 transition count 195
Discarding 8 places :
Symmetric choice reduction at 0 with 8 rule applications. Total rules 44 place count 181 transition count 187
Iterating global reduction 0 with 8 rules applied. Total rules applied 52 place count 181 transition count 187
Performed 1 Post agglomeration using F-continuation condition.Transition count delta: 1
Deduced a syphon composed of 1 places in 0 ms
Reduce places removed 1 places and 0 transitions.
Iterating global reduction 0 with 2 rules applied. Total rules applied 54 place count 180 transition count 186
Free-agglomeration rule (complex) applied 2 times.
Iterating global reduction 0 with 2 rules applied. Total rules applied 56 place count 180 transition count 184
Reduce places removed 2 places and 0 transitions.
Iterating post reduction 0 with 2 rules applied. Total rules applied 58 place count 178 transition count 184
Applied a total of 58 rules in 14 ms. Remains 178 /207 variables (removed 29) and now considering 184/213 (removed 29) transitions.
Running SMT prover for 1 properties.
// Phase 1: matrix 184 rows 178 cols
[2025-06-01 00:49:36] [INFO ] Computed 31 invariants in 12 ms
Starting Z3 with timeout 450.0 s and query timeout 45000.0 ms
[2025-06-01 00:49:36] [INFO ] [Real]Absence check using 13 positive place invariants in 15 ms returned sat
[2025-06-01 00:49:36] [INFO ] [Real]Absence check using 13 positive and 18 generalized place invariants in 5 ms returned sat
[2025-06-01 00:49:36] [INFO ] After 78ms SMT Verify possible using state equation in real domain returned unsat :0 sat :1
[2025-06-01 00:49:36] [INFO ] State equation strengthened by 1 read => feed constraints.
[2025-06-01 00:49:36] [INFO ] After 10ms SMT Verify possible using 1 Read/Feed constraints in real domain returned unsat :0 sat :1
TRAPS : Iteration 0
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 00:49:36] [INFO ] Deduced a trap composed of 5 places in 70 ms of which 4 ms to minimize.
TRAPS : Iteration 1
[2025-06-01 00:49:36] [INFO ] After 101ms SMT Verify possible using trap constraints in real domain returned unsat :0 sat :0 real:1
[2025-06-01 00:49:36] [INFO ] After 233ms SMT Verify possible using all constraints in real domain returned unsat :0 sat :0 real:1
Starting Z3 with timeout 450.0 s and query timeout 45000.0 ms
[2025-06-01 00:49:36] [INFO ] [Nat]Absence check using 13 positive place invariants in 8 ms returned sat
[2025-06-01 00:49:36] [INFO ] [Nat]Absence check using 13 positive and 18 generalized place invariants in 3 ms returned sat
[2025-06-01 00:49:36] [INFO ] After 74ms SMT Verify possible using state equation in natural domain returned unsat :0 sat :1
[2025-06-01 00:49:36] [INFO ] After 10ms SMT Verify possible using 1 Read/Feed constraints in natural domain returned unsat :0 sat :1
TRAPS : Iteration 0
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 00:49:36] [INFO ] Deduced a trap composed of 5 places in 62 ms of which 4 ms to minimize.
[2025-06-01 00:49:36] [INFO ] Trap strengthening (SAT) tested/added 2/1 trap constraints in 77 ms
TRAPS : Iteration 1
[2025-06-01 00:49:36] [INFO ] After 103ms SMT Verify possible using trap constraints in natural domain returned unsat :0 sat :1
[2025-06-01 00:49:36] [INFO ] After 233ms SMT Verify possible using all constraints in natural domain returned unsat :0 sat :1
Over-approximation ignoring read arcs solved 0 properties in 495 ms.
Knowledge obtained : [p0, (X p0), (X (X p0))]
False Knowledge obtained : []
Knowledge based reduction with 3 factoid took 73 ms. Reduced automaton from 1 states, 2 edges and 1 AP (stutter insensitive) to 1 states, 2 edges and 1 AP (stutter insensitive).
Stuttering acceptance computed with spot in 38 ms :[(NOT p0)]
Stuttering acceptance computed with spot in 38 ms :[(NOT p0)]
Support contains 1 out of 272 places. Attempting structural reductions.
Starting structural reductions in SI_LTL mode, iteration 0 : 272/272 places, 260/260 transitions.
Applied a total of 0 rules in 6 ms. Remains 272 /272 variables (removed 0) and now considering 260/260 (removed 0) transitions.
// Phase 1: matrix 260 rows 272 cols
[2025-06-01 00:49:37] [INFO ] Computed 49 invariants in 10 ms
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-01 00:49:37] [INFO ] Implicit Places using invariants in 131 ms returned []
[2025-06-01 00:49:37] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-01 00:49:37] [INFO ] State equation strengthened by 18 read => feed constraints.
[2025-06-01 00:49:38] [INFO ] Implicit Places using invariants and state equation in 1845 ms returned []
Implicit Place search using SMT with State Equation took 1977 ms to find 0 implicit places.
Starting Z3 with timeout 200.0 s and query timeout 20000.0 ms
[2025-06-01 00:49:39] [INFO ] Redundant transitions in 2 ms returned []
Running 259 sub problems to find dead transitions.
[2025-06-01 00:49:39] [INFO ] Invariant cache hit.
[2025-06-01 00:49:39] [INFO ] State equation strengthened by 18 read => feed constraints.
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/271 variables, 2/2 constraints. Problems are: Problem set: 0 solved, 259 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/271 variables, 47/49 constraints. Problems are: Problem set: 0 solved, 259 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/271 variables, 0/49 constraints. Problems are: Problem set: 0 solved, 259 unsolved
At refinement iteration 3 (OVERLAPS) 260/531 variables, 271/320 constraints. Problems are: Problem set: 0 solved, 259 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/531 variables, 18/338 constraints. Problems are: Problem set: 0 solved, 259 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/531 variables, 0/338 constraints. Problems are: Problem set: 0 solved, 259 unsolved
At refinement iteration 6 (OVERLAPS) 1/532 variables, 1/339 constraints. Problems are: Problem set: 0 solved, 259 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 00:50:05] [INFO ] Deduced a trap composed of 14 places in 55 ms of which 4 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 00:50:06] [INFO ] Deduced a trap composed of 18 places in 57 ms of which 5 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 00:50:07] [INFO ] Deduced a trap composed of 38 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 00:50:07] [INFO ] Deduced a trap composed of 40 places in 49 ms of which 2 ms to minimize.
Solver is answering 'unknown', stopping.
After SMT solving in domain Real declared 532/532 variables, and 343 constraints, problems are : Problem set: 0 solved, 259 unsolved in 30012 ms.
Refiners :[Positive P Invariants (semi-flows): 2/2 constraints, Generalized P Invariants (flows): 47/47 constraints, State Equation: 272/272 constraints, ReadFeed: 18/18 constraints, PredecessorRefiner: 259/259 constraints, Known Traps: 4/4 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 259 unsolved
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/271 variables, 2/2 constraints. Problems are: Problem set: 0 solved, 259 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/271 variables, 47/49 constraints. Problems are: Problem set: 0 solved, 259 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/271 variables, 0/49 constraints. Problems are: Problem set: 0 solved, 259 unsolved
At refinement iteration 3 (OVERLAPS) 260/531 variables, 271/320 constraints. Problems are: Problem set: 0 solved, 259 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/531 variables, 18/338 constraints. Problems are: Problem set: 0 solved, 259 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/531 variables, 256/594 constraints. Problems are: Problem set: 0 solved, 259 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/531 variables, 0/594 constraints. Problems are: Problem set: 0 solved, 259 unsolved
At refinement iteration 7 (OVERLAPS) 1/532 variables, 1/595 constraints. Problems are: Problem set: 0 solved, 259 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 532/532 variables, and 598 constraints, problems are : Problem set: 0 solved, 259 unsolved in 30019 ms.
Refiners :[Positive P Invariants (semi-flows): 2/2 constraints, Generalized P Invariants (flows): 47/47 constraints, State Equation: 272/272 constraints, ReadFeed: 18/18 constraints, PredecessorRefiner: 259/259 constraints, Known Traps: 0/4 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 60050ms problems are : Problem set: 0 solved, 259 unsolved
Search for dead transitions found 0 dead transitions in 60051ms
Finished structural reductions in SI_LTL mode , in 1 iterations and 62043 ms. Remains : 272/272 places, 260/260 transitions.
Computed a total of 0 stabilizing places and 0 stable transitions
Graph (complete) has 853 edges and 272 vertex of which 271 are kept as prefixes of interest. Removing 1 places using SCC suffix rule.1 ms
Computed a total of 0 stabilizing places and 0 stable transitions
Knowledge obtained : [p0, (X p0), (X (X p0))]
False Knowledge obtained : []
Knowledge based reduction with 3 factoid took 75 ms. Reduced automaton from 1 states, 2 edges and 1 AP (stutter insensitive) to 1 states, 2 edges and 1 AP (stutter insensitive).
Stuttering acceptance computed with spot in 36 ms :[(NOT p0)]
RANDOM walk for 40000 steps (5510 resets) in 88 ms. (449 steps per ms) remains 1/1 properties
BEST_FIRST walk for 40003 steps (3204 resets) in 38 ms. (1025 steps per ms) remains 1/1 properties
Interrupted probabilistic random walk after 659221 steps, run timeout after 3001 ms. (steps per millisecond=219 ) properties seen :0 out of 1
Probabilistic random walk after 659221 steps, saw 329703 distinct states, run finished after 3001 ms. (steps per millisecond=219 ) properties seen :0
[2025-06-01 00:50:42] [INFO ] Invariant cache hit.
[2025-06-01 00:50:42] [INFO ] State equation strengthened by 18 read => feed constraints.
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/1 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 1 (OVERLAPS) 33/34 variables, 3/3 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/34 variables, 0/3 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (OVERLAPS) 59/93 variables, 11/14 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/93 variables, 0/14 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (OVERLAPS) 79/172 variables, 10/24 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/172 variables, 0/24 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (OVERLAPS) 61/233 variables, 19/43 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/233 variables, 0/43 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (OVERLAPS) 3/236 variables, 2/45 constraints. Problems are: Problem set: 0 solved, 1 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 00:50:42] [INFO ] Deduced a trap composed of 6 places in 69 ms of which 4 ms to minimize.
At refinement iteration 10 (INCLUDED_ONLY) 0/236 variables, 1/46 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/236 variables, 0/46 constraints. Problems are: Problem set: 0 solved, 1 unsolved
All remaining problems are real, not stopping.
At refinement iteration 12 (OVERLAPS) 250/486 variables, 236/282 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 13 (INCLUDED_ONLY) 0/486 variables, 16/298 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 14 (INCLUDED_ONLY) 0/486 variables, 0/298 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 15 (OVERLAPS) 40/526 variables, 31/329 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 16 (INCLUDED_ONLY) 0/526 variables, 2/331 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 17 (INCLUDED_ONLY) 0/526 variables, 1/332 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 18 (INCLUDED_ONLY) 0/526 variables, 0/332 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 19 (OVERLAPS) 2/528 variables, 2/334 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 20 (INCLUDED_ONLY) 0/528 variables, 2/336 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 21 (INCLUDED_ONLY) 0/528 variables, 0/336 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 22 (OVERLAPS) 4/532 variables, 3/339 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 23 (INCLUDED_ONLY) 0/532 variables, 1/340 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 24 (INCLUDED_ONLY) 0/532 variables, 0/340 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 25 (OVERLAPS) 0/532 variables, 0/340 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Real declared 532/532 variables, and 340 constraints, problems are : Problem set: 0 solved, 1 unsolved in 328 ms.
Refiners :[Positive P Invariants (semi-flows): 2/2 constraints, Generalized P Invariants (flows): 47/47 constraints, State Equation: 272/272 constraints, ReadFeed: 18/18 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 1/1 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 1 unsolved
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/1 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 1 (OVERLAPS) 33/34 variables, 3/3 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/34 variables, 0/3 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (OVERLAPS) 59/93 variables, 11/14 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/93 variables, 0/14 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (OVERLAPS) 79/172 variables, 10/24 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/172 variables, 0/24 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (OVERLAPS) 61/233 variables, 19/43 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/233 variables, 0/43 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (OVERLAPS) 3/236 variables, 2/45 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/236 variables, 1/46 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/236 variables, 0/46 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 12 (OVERLAPS) 250/486 variables, 236/282 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 13 (INCLUDED_ONLY) 0/486 variables, 16/298 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 14 (INCLUDED_ONLY) 0/486 variables, 1/299 constraints. Problems are: Problem set: 0 solved, 1 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 00:50:42] [INFO ] Deduced a trap along path composed of 2 places in 40 ms of which 1 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 00:50:42] [INFO ] Deduced a trap along path composed of 2 places in 31 ms of which 0 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 00:50:42] [INFO ] Deduced a trap along path composed of 3 places in 33 ms of which 0 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 00:50:42] [INFO ] Deduced a trap along path composed of 3 places in 22 ms of which 1 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 00:50:42] [INFO ] Deduced a trap along path composed of 7 places in 19 ms of which 1 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 00:50:42] [INFO ] Deduced a trap along path composed of 2 places in 17 ms of which 0 ms to minimize.
At refinement iteration 15 (INCLUDED_ONLY) 0/486 variables, 6/305 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 16 (INCLUDED_ONLY) 0/486 variables, 0/305 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 17 (OVERLAPS) 40/526 variables, 31/336 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 18 (INCLUDED_ONLY) 0/526 variables, 2/338 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 19 (INCLUDED_ONLY) 0/526 variables, 1/339 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 20 (INCLUDED_ONLY) 0/526 variables, 0/339 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 21 (OVERLAPS) 2/528 variables, 2/341 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 22 (INCLUDED_ONLY) 0/528 variables, 2/343 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 23 (INCLUDED_ONLY) 0/528 variables, 0/343 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 24 (OVERLAPS) 4/532 variables, 3/346 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 25 (INCLUDED_ONLY) 0/532 variables, 1/347 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 26 (INCLUDED_ONLY) 0/532 variables, 0/347 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 27 (OVERLAPS) 0/532 variables, 0/347 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Int declared 532/532 variables, and 347 constraints, problems are : Problem set: 0 solved, 1 unsolved in 636 ms.
Refiners :[Positive P Invariants (semi-flows): 2/2 constraints, Generalized P Invariants (flows): 47/47 constraints, State Equation: 272/272 constraints, ReadFeed: 18/18 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 1/1 constraints, Known Traps Along Path: 6/6 constraints]
After SMT, in 967ms problems are : Problem set: 0 solved, 1 unsolved
Parikh walk visited 0 properties in 340 ms.
Support contains 1 out of 272 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 272/272 places, 260/260 transitions.
Graph (complete) has 813 edges and 272 vertex of which 271 are kept as prefixes of interest. Removing 1 places using SCC suffix rule.1 ms
Discarding 1 places :
Also discarding 0 output 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 2 place count 271 transition count 259
Free-agglomeration rule (complex) applied 37 times.
Iterating global reduction 1 with 37 rules applied. Total rules applied 39 place count 271 transition count 222
Reduce places removed 37 places and 0 transitions.
Iterating post reduction 1 with 37 rules applied. Total rules applied 76 place count 234 transition count 222
Partial Free-agglomeration rule applied 39 times.
Drop transitions (Partial Free agglomeration) removed 39 transitions
Iterating global reduction 2 with 39 rules applied. Total rules applied 115 place count 234 transition count 222
Applied a total of 115 rules in 11 ms. Remains 234 /272 variables (removed 38) and now considering 222/260 (removed 38) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 11 ms. Remains : 234/272 places, 222/260 transitions.
RANDOM walk for 40000 steps (5059 resets) in 69 ms. (571 steps per ms) remains 1/1 properties
BEST_FIRST walk for 40000 steps (3311 resets) in 33 ms. (1176 steps per ms) remains 1/1 properties
Interrupted probabilistic random walk after 688337 steps, run timeout after 3001 ms. (steps per millisecond=229 ) properties seen :0 out of 1
Probabilistic random walk after 688337 steps, saw 344394 distinct states, run finished after 3001 ms. (steps per millisecond=229 ) properties seen :0
// Phase 1: matrix 222 rows 234 cols
[2025-06-01 00:50:46] [INFO ] Computed 49 invariants in 16 ms
[2025-06-01 00:50:46] [INFO ] State equation strengthened by 37 read => feed constraints.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/1 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 1 (OVERLAPS) 34/35 variables, 5/5 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/35 variables, 0/5 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (OVERLAPS) 39/74 variables, 1/6 constraints. Problems are: Problem set: 0 solved, 1 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 00:50:46] [INFO ] Deduced a trap composed of 19 places in 27 ms of which 3 ms to minimize.
At refinement iteration 4 (INCLUDED_ONLY) 0/74 variables, 1/7 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/74 variables, 0/7 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (OVERLAPS) 142/216 variables, 36/43 constraints. Problems are: Problem set: 0 solved, 1 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 00:50:46] [INFO ] Deduced a trap composed of 7 places in 83 ms of which 6 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 00:50:46] [INFO ] Deduced a trap composed of 9 places in 76 ms of which 8 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 00:50:46] [INFO ] Deduced a trap composed of 4 places in 79 ms of which 5 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 00:50:47] [INFO ] Deduced a trap composed of 11 places in 69 ms of which 7 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 00:50:47] [INFO ] Deduced a trap composed of 13 places in 69 ms of which 6 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 00:50:47] [INFO ] Deduced a trap composed of 13 places in 58 ms of which 5 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 00:50:47] [INFO ] Deduced a trap composed of 16 places in 50 ms of which 5 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 00:50:47] [INFO ] Deduced a trap composed of 18 places in 55 ms of which 5 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 00:50:47] [INFO ] Deduced a trap composed of 19 places in 54 ms of which 5 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 00:50:47] [INFO ] Deduced a trap composed of 22 places in 51 ms of which 3 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 00:50:47] [INFO ] Deduced a trap composed of 25 places in 44 ms of which 4 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 00:50:47] [INFO ] Deduced a trap composed of 26 places in 41 ms of which 5 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 00:50:47] [INFO ] Deduced a trap composed of 27 places in 40 ms of which 4 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 00:50:47] [INFO ] Deduced a trap composed of 29 places in 40 ms of which 4 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 00:50:47] [INFO ] Deduced a trap composed of 32 places in 42 ms of which 3 ms to minimize.
At refinement iteration 7 (INCLUDED_ONLY) 0/216 variables, 15/58 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/216 variables, 0/58 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (OVERLAPS) 13/229 variables, 5/63 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/229 variables, 0/63 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 11 (OVERLAPS) 222/451 variables, 229/292 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 12 (INCLUDED_ONLY) 0/451 variables, 37/329 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 13 (INCLUDED_ONLY) 0/451 variables, 0/329 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 14 (OVERLAPS) 5/456 variables, 5/334 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 15 (INCLUDED_ONLY) 0/456 variables, 2/336 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 16 (INCLUDED_ONLY) 0/456 variables, 0/336 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 17 (OVERLAPS) 0/456 variables, 0/336 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Real declared 456/456 variables, and 336 constraints, problems are : Problem set: 0 solved, 1 unsolved in 1254 ms.
Refiners :[Positive P Invariants (semi-flows): 3/3 constraints, Generalized P Invariants (flows): 46/46 constraints, State Equation: 234/234 constraints, ReadFeed: 37/37 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 16/16 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 1 unsolved
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/1 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 1 (OVERLAPS) 34/35 variables, 5/5 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/35 variables, 0/5 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (OVERLAPS) 39/74 variables, 1/6 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/74 variables, 1/7 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/74 variables, 0/7 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (OVERLAPS) 142/216 variables, 36/43 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/216 variables, 15/58 constraints. Problems are: Problem set: 0 solved, 1 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 00:50:47] [INFO ] Deduced a trap composed of 24 places in 40 ms of which 3 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 00:50:48] [INFO ] Deduced a trap composed of 30 places in 43 ms of which 3 ms to minimize.
At refinement iteration 8 (INCLUDED_ONLY) 0/216 variables, 2/60 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/216 variables, 0/60 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (OVERLAPS) 13/229 variables, 5/65 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/229 variables, 0/65 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 12 (OVERLAPS) 222/451 variables, 229/294 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 13 (INCLUDED_ONLY) 0/451 variables, 37/331 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 14 (INCLUDED_ONLY) 0/451 variables, 1/332 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 15 (INCLUDED_ONLY) 0/451 variables, 0/332 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 16 (OVERLAPS) 5/456 variables, 5/337 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 17 (INCLUDED_ONLY) 0/456 variables, 2/339 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 18 (INCLUDED_ONLY) 0/456 variables, 0/339 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 19 (OVERLAPS) 0/456 variables, 0/339 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Int declared 456/456 variables, and 339 constraints, problems are : Problem set: 0 solved, 1 unsolved in 417 ms.
Refiners :[Positive P Invariants (semi-flows): 3/3 constraints, Generalized P Invariants (flows): 46/46 constraints, State Equation: 234/234 constraints, ReadFeed: 37/37 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 18/18 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 1704ms problems are : Problem set: 0 solved, 1 unsolved
Parikh walk visited 0 properties in 256 ms.
Support contains 1 out of 234 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 234/234 places, 222/222 transitions.
Applied a total of 0 rules in 3 ms. Remains 234 /234 variables (removed 0) and now considering 222/222 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 3 ms. Remains : 234/234 places, 222/222 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 234/234 places, 222/222 transitions.
Applied a total of 0 rules in 3 ms. Remains 234 /234 variables (removed 0) and now considering 222/222 (removed 0) transitions.
[2025-06-01 00:50:48] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-01 00:50:49] [INFO ] Implicit Places using invariants in 927 ms returned [20, 26, 46, 51, 72, 77, 97, 103, 124, 130, 131, 151, 156, 178, 184, 191, 225, 231]
[2025-06-01 00:50:49] [INFO ] Actually due to overlaps returned [191, 130]
Discarding 2 places :
Implicit Place search using SMT only with invariants took 929 ms to find 2 implicit places.
Starting structural reductions in REACHABILITY mode, iteration 1 : 232/234 places, 222/222 transitions.
Free-agglomeration rule (complex) applied 1 times.
Iterating global reduction 0 with 1 rules applied. Total rules applied 1 place count 232 transition count 221
Reduce places removed 1 places and 0 transitions.
Iterating post reduction 0 with 1 rules applied. Total rules applied 2 place count 231 transition count 221
Applied a total of 2 rules in 16 ms. Remains 231 /232 variables (removed 1) and now considering 221/222 (removed 1) transitions.
// Phase 1: matrix 221 rows 231 cols
[2025-06-01 00:50:49] [INFO ] Computed 47 invariants in 16 ms
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-01 00:50:50] [INFO ] Implicit Places using invariants in 821 ms returned [20, 26, 46, 51, 72, 77, 97, 103, 124, 130, 150, 155, 177, 183, 222, 228]
[2025-06-01 00:50:50] [INFO ] Actually due to overlaps returned [228, 222]
Discarding 2 places :
Implicit Place search using SMT only with invariants took 822 ms to find 2 implicit places.
Starting structural reductions in REACHABILITY mode, iteration 2 : 229/234 places, 221/222 transitions.
Free-agglomeration rule (complex) applied 1 times.
Iterating global reduction 0 with 1 rules applied. Total rules applied 1 place count 229 transition count 220
Reduce places removed 1 places and 0 transitions.
Iterating post reduction 0 with 1 rules applied. Total rules applied 2 place count 228 transition count 220
Applied a total of 2 rules in 9 ms. Remains 228 /229 variables (removed 1) and now considering 220/221 (removed 1) transitions.
// Phase 1: matrix 220 rows 228 cols
[2025-06-01 00:50:50] [INFO ] Computed 45 invariants in 12 ms
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-01 00:50:50] [INFO ] Implicit Places using invariants in 625 ms returned [20, 26, 46, 51, 72, 77, 97, 103, 124, 130, 150, 155, 177, 183]
[2025-06-01 00:50:50] [INFO ] Actually due to overlaps returned [26, 20]
Discarding 2 places :
Implicit Place search using SMT only with invariants took 626 ms to find 2 implicit places.
Starting structural reductions in REACHABILITY mode, iteration 3 : 226/234 places, 220/222 transitions.
Free-agglomeration rule (complex) applied 1 times.
Iterating global reduction 0 with 1 rules applied. Total rules applied 1 place count 226 transition count 219
Reduce places removed 1 places and 0 transitions.
Iterating post reduction 0 with 1 rules applied. Total rules applied 2 place count 225 transition count 219
Applied a total of 2 rules in 10 ms. Remains 225 /226 variables (removed 1) and now considering 219/220 (removed 1) transitions.
// Phase 1: matrix 219 rows 225 cols
[2025-06-01 00:50:50] [INFO ] Computed 43 invariants in 11 ms
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-01 00:50:51] [INFO ] Implicit Places using invariants in 588 ms returned [43, 48, 69, 74, 94, 100, 121, 127, 147, 152, 174, 180]
[2025-06-01 00:50:51] [INFO ] Actually due to overlaps returned [48, 43]
Discarding 2 places :
Implicit Place search using SMT only with invariants took 589 ms to find 2 implicit places.
Starting structural reductions in REACHABILITY mode, iteration 4 : 223/234 places, 219/222 transitions.
Free-agglomeration rule (complex) applied 1 times.
Iterating global reduction 0 with 1 rules applied. Total rules applied 1 place count 223 transition count 218
Reduce places removed 1 places and 0 transitions.
Iterating post reduction 0 with 1 rules applied. Total rules applied 2 place count 222 transition count 218
Applied a total of 2 rules in 13 ms. Remains 222 /223 variables (removed 1) and now considering 218/219 (removed 1) transitions.
// Phase 1: matrix 218 rows 222 cols
[2025-06-01 00:50:51] [INFO ] Computed 41 invariants in 9 ms
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-01 00:50:52] [INFO ] Implicit Places using invariants in 484 ms returned [66, 71, 91, 97, 118, 124, 144, 149, 171, 177]
[2025-06-01 00:50:52] [INFO ] Actually due to overlaps returned [71, 66]
Discarding 2 places :
Implicit Place search using SMT only with invariants took 485 ms to find 2 implicit places.
Starting structural reductions in REACHABILITY mode, iteration 5 : 220/234 places, 218/222 transitions.
Free-agglomeration rule (complex) applied 1 times.
Iterating global reduction 0 with 1 rules applied. Total rules applied 1 place count 220 transition count 217
Reduce places removed 1 places and 0 transitions.
Iterating post reduction 0 with 1 rules applied. Total rules applied 2 place count 219 transition count 217
Applied a total of 2 rules in 9 ms. Remains 219 /220 variables (removed 1) and now considering 217/218 (removed 1) transitions.
// Phase 1: matrix 217 rows 219 cols
[2025-06-01 00:50:52] [INFO ] Computed 39 invariants in 10 ms
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-01 00:50:52] [INFO ] Implicit Places using invariants in 388 ms returned [88, 94, 115, 121, 141, 146, 168, 174]
[2025-06-01 00:50:52] [INFO ] Actually due to overlaps returned [94, 88]
Discarding 2 places :
Implicit Place search using SMT only with invariants took 389 ms to find 2 implicit places.
Starting structural reductions in REACHABILITY mode, iteration 6 : 217/234 places, 217/222 transitions.
Free-agglomeration rule (complex) applied 1 times.
Iterating global reduction 0 with 1 rules applied. Total rules applied 1 place count 217 transition count 216
Reduce places removed 1 places and 0 transitions.
Iterating post reduction 0 with 1 rules applied. Total rules applied 2 place count 216 transition count 216
Applied a total of 2 rules in 11 ms. Remains 216 /217 variables (removed 1) and now considering 216/217 (removed 1) transitions.
// Phase 1: matrix 216 rows 216 cols
[2025-06-01 00:50:52] [INFO ] Computed 37 invariants in 13 ms
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-01 00:50:52] [INFO ] Implicit Places using invariants in 362 ms returned [112, 118, 138, 143, 165, 171]
[2025-06-01 00:50:52] [INFO ] Actually due to overlaps returned [118, 112]
Discarding 2 places :
Implicit Place search using SMT only with invariants took 363 ms to find 2 implicit places.
Starting structural reductions in REACHABILITY mode, iteration 7 : 214/234 places, 216/222 transitions.
Free-agglomeration rule (complex) applied 1 times.
Iterating global reduction 0 with 1 rules applied. Total rules applied 1 place count 214 transition count 215
Reduce places removed 1 places and 0 transitions.
Iterating post reduction 0 with 1 rules applied. Total rules applied 2 place count 213 transition count 215
Applied a total of 2 rules in 5 ms. Remains 213 /214 variables (removed 1) and now considering 215/216 (removed 1) transitions.
// Phase 1: matrix 215 rows 213 cols
[2025-06-01 00:50:52] [INFO ] Computed 35 invariants in 11 ms
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-01 00:50:53] [INFO ] Implicit Places using invariants in 334 ms returned [135, 140, 162, 168]
[2025-06-01 00:50:53] [INFO ] Actually due to overlaps returned [140, 135]
Discarding 2 places :
Implicit Place search using SMT only with invariants took 336 ms to find 2 implicit places.
Starting structural reductions in REACHABILITY mode, iteration 8 : 211/234 places, 215/222 transitions.
Free-agglomeration rule (complex) applied 1 times.
Iterating global reduction 0 with 1 rules applied. Total rules applied 1 place count 211 transition count 214
Reduce places removed 1 places and 0 transitions.
Iterating post reduction 0 with 1 rules applied. Total rules applied 2 place count 210 transition count 214
Applied a total of 2 rules in 8 ms. Remains 210 /211 variables (removed 1) and now considering 214/215 (removed 1) transitions.
// Phase 1: matrix 214 rows 210 cols
[2025-06-01 00:50:53] [INFO ] Computed 33 invariants in 12 ms
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-01 00:50:53] [INFO ] Implicit Places using invariants in 304 ms returned [159, 165]
Discarding 2 places :
Implicit Place search using SMT only with invariants took 305 ms to find 2 implicit places.
Starting structural reductions in REACHABILITY mode, iteration 9 : 208/234 places, 214/222 transitions.
Free-agglomeration rule (complex) applied 1 times.
Iterating global reduction 0 with 1 rules applied. Total rules applied 1 place count 208 transition count 213
Reduce places removed 1 places and 0 transitions.
Iterating post reduction 0 with 1 rules applied. Total rules applied 2 place count 207 transition count 213
Applied a total of 2 rules in 8 ms. Remains 207 /208 variables (removed 1) and now considering 213/214 (removed 1) transitions.
// Phase 1: matrix 213 rows 207 cols
[2025-06-01 00:50:53] [INFO ] Computed 31 invariants in 13 ms
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-01 00:50:53] [INFO ] Implicit Places using invariants in 320 ms returned []
[2025-06-01 00:50:53] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-01 00:50:53] [INFO ] State equation strengthened by 37 read => feed constraints.
[2025-06-01 00:50:55] [INFO ] Implicit Places using invariants and state equation in 1986 ms returned []
Implicit Place search using SMT with State Equation took 2306 ms to find 0 implicit places.
Starting structural reductions in REACHABILITY mode, iteration 10 : 207/234 places, 213/222 transitions.
Finished structural reductions in REACHABILITY mode , in 10 iterations and 7246 ms. Remains : 207/234 places, 213/222 transitions.
RANDOM walk for 40000 steps (5753 resets) in 54 ms. (727 steps per ms) remains 1/1 properties
BEST_FIRST walk for 40001 steps (3645 resets) in 31 ms. (1250 steps per ms) remains 1/1 properties
Interrupted probabilistic random walk after 751551 steps, run timeout after 3001 ms. (steps per millisecond=250 ) properties seen :0 out of 1
Probabilistic random walk after 751551 steps, saw 375854 distinct states, run finished after 3001 ms. (steps per millisecond=250 ) properties seen :0
[2025-06-01 00:50:58] [INFO ] Invariant cache hit.
[2025-06-01 00:50:58] [INFO ] State equation strengthened by 37 read => feed constraints.
Starting Z3 with timeout 75.0 s and query timeout 7500.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/1 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 1 (OVERLAPS) 135/136 variables, 8/8 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/136 variables, 0/8 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (OVERLAPS) 12/148 variables, 3/11 constraints. Problems are: Problem set: 0 solved, 1 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 00:50:58] [INFO ] Deduced a trap composed of 57 places in 84 ms of which 16 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 00:50:59] [INFO ] Deduced a trap composed of 57 places in 85 ms of which 19 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 00:50:59] [INFO ] Deduced a trap composed of 55 places in 83 ms of which 19 ms to minimize.
At refinement iteration 4 (INCLUDED_ONLY) 0/148 variables, 3/14 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/148 variables, 0/14 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (OVERLAPS) 54/202 variables, 18/32 constraints. Problems are: Problem set: 0 solved, 1 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 00:50:59] [INFO ] Deduced a trap composed of 4 places in 90 ms of which 7 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 00:50:59] [INFO ] Deduced a trap composed of 6 places in 92 ms of which 7 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 00:50:59] [INFO ] Deduced a trap composed of 7 places in 96 ms of which 8 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 00:50:59] [INFO ] Deduced a trap composed of 7 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 00:50:59] [INFO ] Deduced a trap composed of 10 places in 89 ms of which 9 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 00:50:59] [INFO ] Deduced a trap composed of 10 places in 93 ms of which 9 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 00:50:59] [INFO ] Deduced a trap composed of 12 places in 94 ms of which 10 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 00:50:59] [INFO ] Deduced a trap composed of 12 places in 91 ms of which 10 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 00:51:00] [INFO ] Deduced a trap composed of 13 places in 90 ms of which 10 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 00:51:00] [INFO ] Deduced a trap composed of 13 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 00:51:00] [INFO ] Deduced a trap composed of 13 places in 85 ms of which 10 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 00:51:00] [INFO ] Deduced a trap composed of 15 places in 93 ms of which 11 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 00:51:00] [INFO ] Deduced a trap composed of 15 places in 93 ms of which 11 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 00:51:00] [INFO ] Deduced a trap composed of 16 places in 89 ms of which 12 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 00:51:00] [INFO ] Deduced a trap composed of 16 places in 93 ms of which 12 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 00:51:00] [INFO ] Deduced a trap composed of 16 places in 89 ms of which 11 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 00:51:00] [INFO ] Deduced a trap composed of 18 places in 91 ms of which 13 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 00:51:00] [INFO ] Deduced a trap composed of 18 places in 90 ms of which 12 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 00:51:00] [INFO ] Deduced a trap composed of 19 places in 89 ms of which 13 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 00:51:01] [INFO ] Deduced a trap composed of 19 places in 87 ms of which 13 ms to minimize.
At refinement iteration 7 (INCLUDED_ONLY) 0/202 variables, 20/52 constraints. Problems are: Problem set: 0 solved, 1 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 00:51:01] [INFO ] Deduced a trap composed of 19 places in 97 ms of which 12 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 00:51:01] [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 00:51:01] [INFO ] Deduced a trap composed of 22 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 00:51:01] [INFO ] Deduced a trap composed of 25 places in 42 ms of which 4 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 00:51:01] [INFO ] Deduced a trap composed of 26 places in 44 ms of which 4 ms to minimize.
At refinement iteration 8 (INCLUDED_ONLY) 0/202 variables, 5/57 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/202 variables, 0/57 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (OVERLAPS) 213/415 variables, 202/259 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/415 variables, 37/296 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 12 (INCLUDED_ONLY) 0/415 variables, 0/296 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 13 (OVERLAPS) 5/420 variables, 5/301 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 14 (INCLUDED_ONLY) 0/420 variables, 2/303 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 15 (INCLUDED_ONLY) 0/420 variables, 0/303 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 16 (OVERLAPS) 0/420 variables, 0/303 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Real declared 420/420 variables, and 303 constraints, problems are : Problem set: 0 solved, 1 unsolved in 2771 ms.
Refiners :[Positive P Invariants (semi-flows): 13/13 constraints, Generalized P Invariants (flows): 18/18 constraints, State Equation: 207/207 constraints, ReadFeed: 37/37 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 28/28 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 1 unsolved
Starting Z3 with timeout 75.0 s and query timeout 7500.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/1 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 1 (OVERLAPS) 135/136 variables, 8/8 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/136 variables, 0/8 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (OVERLAPS) 12/148 variables, 3/11 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/148 variables, 3/14 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/148 variables, 0/14 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (OVERLAPS) 54/202 variables, 18/32 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/202 variables, 25/57 constraints. Problems are: Problem set: 0 solved, 1 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 00:51:01] [INFO ] Deduced a trap composed of 9 places in 84 ms of which 8 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 00:51:01] [INFO ] Deduced a trap composed of 24 places in 90 ms of which 15 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 00:51:01] [INFO ] Deduced a trap composed of 25 places in 87 ms of which 14 ms to minimize.
At refinement iteration 8 (INCLUDED_ONLY) 0/202 variables, 3/60 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/202 variables, 0/60 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (OVERLAPS) 213/415 variables, 202/262 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/415 variables, 37/299 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 12 (INCLUDED_ONLY) 0/415 variables, 1/300 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 13 (INCLUDED_ONLY) 0/415 variables, 0/300 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 14 (OVERLAPS) 5/420 variables, 5/305 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 15 (INCLUDED_ONLY) 0/420 variables, 2/307 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 16 (INCLUDED_ONLY) 0/420 variables, 0/307 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 17 (OVERLAPS) 0/420 variables, 0/307 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Int declared 420/420 variables, and 307 constraints, problems are : Problem set: 0 solved, 1 unsolved in 627 ms.
Refiners :[Positive P Invariants (semi-flows): 13/13 constraints, Generalized P Invariants (flows): 18/18 constraints, State Equation: 207/207 constraints, ReadFeed: 37/37 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 31/31 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 3404ms problems are : Problem set: 0 solved, 1 unsolved
Parikh walk visited 0 properties in 299 ms.
Support contains 1 out of 207 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 207/207 places, 213/213 transitions.
Applied a total of 0 rules in 3 ms. Remains 207 /207 variables (removed 0) and now considering 213/213 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 3 ms. Remains : 207/207 places, 213/213 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 207/207 places, 213/213 transitions.
Applied a total of 0 rules in 3 ms. Remains 207 /207 variables (removed 0) and now considering 213/213 (removed 0) transitions.
[2025-06-01 00:51:02] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-01 00:51:02] [INFO ] Implicit Places using invariants in 305 ms returned []
[2025-06-01 00:51:02] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-01 00:51:02] [INFO ] State equation strengthened by 37 read => feed constraints.
[2025-06-01 00:51:04] [INFO ] Implicit Places using invariants and state equation in 1975 ms returned []
Implicit Place search using SMT with State Equation took 2280 ms to find 0 implicit places.
Starting Z3 with timeout 200.0 s and query timeout 20000.0 ms
[2025-06-01 00:51:04] [INFO ] Redundant transitions in 1 ms returned []
Running 212 sub problems to find dead transitions.
[2025-06-01 00:51:04] [INFO ] Invariant cache hit.
[2025-06-01 00:51:04] [INFO ] State equation strengthened by 37 read => feed constraints.
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/206 variables, 2/2 constraints. Problems are: Problem set: 0 solved, 212 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/206 variables, 18/20 constraints. Problems are: Problem set: 0 solved, 212 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/206 variables, 0/20 constraints. Problems are: Problem set: 0 solved, 212 unsolved
At refinement iteration 3 (OVERLAPS) 1/207 variables, 11/31 constraints. Problems are: Problem set: 0 solved, 212 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/207 variables, 0/31 constraints. Problems are: Problem set: 0 solved, 212 unsolved
At refinement iteration 5 (OVERLAPS) 213/420 variables, 207/238 constraints. Problems are: Problem set: 0 solved, 212 unsolved
All remaining problems are real, not stopping.
At refinement iteration 6 (INCLUDED_ONLY) 0/420 variables, 37/275 constraints. Problems are: Problem set: 0 solved, 212 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/420 variables, 0/275 constraints. Problems are: Problem set: 0 solved, 212 unsolved
At refinement iteration 8 (OVERLAPS) 0/420 variables, 0/275 constraints. Problems are: Problem set: 0 solved, 212 unsolved
No progress, stopping.
After SMT solving in domain Real declared 420/420 variables, and 275 constraints, problems are : Problem set: 0 solved, 212 unsolved in 14128 ms.
Refiners :[Positive P Invariants (semi-flows): 13/13 constraints, Generalized P Invariants (flows): 18/18 constraints, State Equation: 207/207 constraints, ReadFeed: 37/37 constraints, PredecessorRefiner: 212/212 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 212 unsolved
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/206 variables, 2/2 constraints. Problems are: Problem set: 0 solved, 212 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/206 variables, 18/20 constraints. Problems are: Problem set: 0 solved, 212 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/206 variables, 0/20 constraints. Problems are: Problem set: 0 solved, 212 unsolved
At refinement iteration 3 (OVERLAPS) 1/207 variables, 11/31 constraints. Problems are: Problem set: 0 solved, 212 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/207 variables, 0/31 constraints. Problems are: Problem set: 0 solved, 212 unsolved
At refinement iteration 5 (OVERLAPS) 213/420 variables, 207/238 constraints. Problems are: Problem set: 0 solved, 212 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/420 variables, 37/275 constraints. Problems are: Problem set: 0 solved, 212 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/420 variables, 212/487 constraints. Problems are: Problem set: 0 solved, 212 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 00:51:30] [INFO ] Deduced a trap composed of 4 places in 81 ms of which 5 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 00:51:30] [INFO ] Deduced a trap composed of 9 places in 80 ms of which 6 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 00:51:31] [INFO ] Deduced a trap composed of 29 places in 88 ms of which 15 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 00:51:31] [INFO ] Deduced a trap composed of 41 places in 93 ms of which 20 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 00:51:31] [INFO ] Deduced a trap composed of 8 places in 80 ms of which 6 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 00:51:31] [INFO ] Deduced a trap composed of 37 places in 88 ms of which 17 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 00:51:32] [INFO ] Deduced a trap composed of 9 places in 83 ms of which 7 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 00:51:34] [INFO ] Deduced a trap composed of 18 places in 92 ms of which 12 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 00:51:34] [INFO ] Deduced a trap composed of 22 places in 84 ms of which 13 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 00:51:34] [INFO ] Deduced a trap composed of 24 places in 86 ms of which 13 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 00:51:34] [INFO ] Deduced a trap composed of 25 places in 88 ms of which 14 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 00:51:35] [INFO ] Deduced a trap composed of 28 places in 91 ms of which 15 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 00:51:36] [INFO ] Deduced a trap composed of 61 places in 96 ms of which 26 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 00:51:36] [INFO ] Deduced a trap composed of 62 places in 110 ms of which 31 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 00:51:37] [INFO ] Deduced a trap composed of 62 places in 89 ms of which 17 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 00:51:37] [INFO ] Deduced a trap composed of 65 places in 96 ms of which 25 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 00:51:38] [INFO ] Deduced a trap composed of 66 places in 98 ms of which 24 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 00:51:38] [INFO ] Deduced a trap composed of 67 places in 98 ms of which 26 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 00:51:38] [INFO ] Deduced a trap composed of 67 places in 103 ms of which 28 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 00:51:38] [INFO ] Deduced a trap composed of 70 places in 91 ms of which 23 ms to minimize.
At refinement iteration 8 (INCLUDED_ONLY) 0/420 variables, 20/507 constraints. Problems are: Problem set: 0 solved, 212 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 00:51:48] [INFO ] Deduced a trap composed of 68 places in 88 ms of which 18 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 00:51:48] [INFO ] Deduced a trap composed of 68 places in 86 ms of which 18 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 00:51:48] [INFO ] Deduced a trap composed of 70 places in 89 ms of which 18 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 00:51:48] [INFO ] Deduced a trap composed of 70 places in 87 ms of which 19 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 00:51:48] [INFO ] Deduced a trap composed of 68 places in 83 ms of which 19 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 00:51:48] [INFO ] Deduced a trap composed of 70 places in 81 ms of which 19 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 00:51:48] [INFO ] Deduced a trap composed of 70 places in 79 ms of which 17 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 00:51:49] [INFO ] Deduced a trap composed of 68 places in 92 ms of which 20 ms to minimize.
SMT process timed out in 44218ms, After SMT, problems are : Problem set: 0 solved, 212 unsolved
Search for dead transitions found 0 dead transitions in 44219ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 46508 ms. Remains : 207/207 places, 213/213 transitions.
Attempting over-approximation, by ignoring read arcs.
Performed 18 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 0 with 18 Pre rules applied. Total rules applied 0 place count 207 transition count 195
Deduced a syphon composed of 18 places in 0 ms
Reduce places removed 18 places and 0 transitions.
Iterating global reduction 0 with 36 rules applied. Total rules applied 36 place count 189 transition count 195
Discarding 8 places :
Symmetric choice reduction at 0 with 8 rule applications. Total rules 44 place count 181 transition count 187
Iterating global reduction 0 with 8 rules applied. Total rules applied 52 place count 181 transition count 187
Performed 1 Post agglomeration using F-continuation condition.Transition count delta: 1
Deduced a syphon composed of 1 places in 0 ms
Reduce places removed 1 places and 0 transitions.
Iterating global reduction 0 with 2 rules applied. Total rules applied 54 place count 180 transition count 186
Free-agglomeration rule (complex) applied 2 times.
Iterating global reduction 0 with 2 rules applied. Total rules applied 56 place count 180 transition count 184
Reduce places removed 2 places and 0 transitions.
Iterating post reduction 0 with 2 rules applied. Total rules applied 58 place count 178 transition count 184
Applied a total of 58 rules in 13 ms. Remains 178 /207 variables (removed 29) and now considering 184/213 (removed 29) transitions.
Running SMT prover for 1 properties.
// Phase 1: matrix 184 rows 178 cols
[2025-06-01 00:51:49] [INFO ] Computed 31 invariants in 13 ms
Starting Z3 with timeout 450.0 s and query timeout 45000.0 ms
[2025-06-01 00:51:49] [INFO ] [Real]Absence check using 13 positive place invariants in 8 ms returned sat
[2025-06-01 00:51:49] [INFO ] [Real]Absence check using 13 positive and 18 generalized place invariants in 5 ms returned sat
[2025-06-01 00:51:49] [INFO ] After 80ms SMT Verify possible using state equation in real domain returned unsat :0 sat :1
[2025-06-01 00:51:49] [INFO ] State equation strengthened by 1 read => feed constraints.
[2025-06-01 00:51:49] [INFO ] After 7ms SMT Verify possible using 1 Read/Feed constraints in real domain returned unsat :0 sat :1
TRAPS : Iteration 0
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 00:51:49] [INFO ] Deduced a trap composed of 5 places in 63 ms of which 4 ms to minimize.
TRAPS : Iteration 1
[2025-06-01 00:51:49] [INFO ] After 90ms SMT Verify possible using trap constraints in real domain returned unsat :0 sat :0 real:1
[2025-06-01 00:51:49] [INFO ] After 223ms SMT Verify possible using all constraints in real domain returned unsat :0 sat :0 real:1
Starting Z3 with timeout 450.0 s and query timeout 45000.0 ms
[2025-06-01 00:51:49] [INFO ] [Nat]Absence check using 13 positive place invariants in 7 ms returned sat
[2025-06-01 00:51:49] [INFO ] [Nat]Absence check using 13 positive and 18 generalized place invariants in 3 ms returned sat
[2025-06-01 00:51:49] [INFO ] After 77ms SMT Verify possible using state equation in natural domain returned unsat :0 sat :1
[2025-06-01 00:51:49] [INFO ] After 8ms SMT Verify possible using 1 Read/Feed constraints in natural domain returned unsat :0 sat :1
TRAPS : Iteration 0
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 00:51:49] [INFO ] Deduced a trap composed of 5 places in 73 ms of which 9 ms to minimize.
[2025-06-01 00:51:49] [INFO ] Trap strengthening (SAT) tested/added 2/1 trap constraints in 85 ms
TRAPS : Iteration 1
[2025-06-01 00:51:49] [INFO ] After 112ms SMT Verify possible using trap constraints in natural domain returned unsat :0 sat :1
[2025-06-01 00:51:49] [INFO ] After 243ms SMT Verify possible using all constraints in natural domain returned unsat :0 sat :1
Over-approximation ignoring read arcs solved 0 properties in 493 ms.
Knowledge obtained : [p0, (X p0), (X (X p0))]
False Knowledge obtained : []
Knowledge based reduction with 3 factoid took 70 ms. Reduced automaton from 1 states, 2 edges and 1 AP (stutter insensitive) to 1 states, 2 edges and 1 AP (stutter insensitive).
Stuttering acceptance computed with spot in 32 ms :[(NOT p0)]
Stuttering acceptance computed with spot in 31 ms :[(NOT p0)]
Stuttering acceptance computed with spot in 34 ms :[(NOT p0)]
Product exploration explored 100000 steps with 13801 reset in 93 ms.
Product exploration explored 100000 steps with 13916 reset in 103 ms.
Built C files in :
/tmp/ltsmin11912730239825975807
[2025-06-01 00:51:49] [INFO ] Computing symmetric may disable matrix : 260 transitions.
[2025-06-01 00:51:49] [INFO ] Computation of Complete disable matrix. took 3 ms. Total solver calls (SAT/UNSAT): 0(0/0)
[2025-06-01 00:51:49] [INFO ] Computing symmetric may enable matrix : 260 transitions.
[2025-06-01 00:51:49] [INFO ] Computation of Complete enable matrix. took 1 ms. Total solver calls (SAT/UNSAT): 0(0/0)
[2025-06-01 00:51:49] [INFO ] Computing Do-Not-Accords matrix : 260 transitions.
[2025-06-01 00:51:49] [INFO ] Computation of Completed DNA matrix. took 4 ms. Total solver calls (SAT/UNSAT): 0(0/0)
[2025-06-01 00:51:49] [INFO ] Built C files in 42ms conformant to PINS (ltsmin variant)in folder :/tmp/ltsmin11912730239825975807
Running compilation step : cd /tmp/ltsmin11912730239825975807;'/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 515 ms.
Running link step : cd /tmp/ltsmin11912730239825975807;'gcc' '-shared' '-o' 'gal.so' 'model.o'
Link finished in 38 ms.
Running LTSmin : cd /tmp/ltsmin11912730239825975807;'/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/stateBased4733381208691992555.hoa' '--buchi-type=spotba'
WARNING : LTS min runner thread was asked to interrupt. Dying gracefully.
Support contains 1 out of 272 places. Attempting structural reductions.
Starting structural reductions in SI_LTL mode, iteration 0 : 272/272 places, 260/260 transitions.
Applied a total of 0 rules in 8 ms. Remains 272 /272 variables (removed 0) and now considering 260/260 (removed 0) transitions.
// Phase 1: matrix 260 rows 272 cols
[2025-06-01 00:52:05] [INFO ] Computed 49 invariants in 13 ms
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-01 00:52:05] [INFO ] Implicit Places using invariants in 135 ms returned []
[2025-06-01 00:52:05] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-01 00:52:05] [INFO ] State equation strengthened by 18 read => feed constraints.
[2025-06-01 00:52:06] [INFO ] Implicit Places using invariants and state equation in 1806 ms returned []
Implicit Place search using SMT with State Equation took 1944 ms to find 0 implicit places.
Starting Z3 with timeout 200.0 s and query timeout 20000.0 ms
[2025-06-01 00:52:07] [INFO ] Redundant transitions in 3 ms returned []
Running 259 sub problems to find dead transitions.
[2025-06-01 00:52:07] [INFO ] Invariant cache hit.
[2025-06-01 00:52:07] [INFO ] State equation strengthened by 18 read => feed constraints.
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/271 variables, 2/2 constraints. Problems are: Problem set: 0 solved, 259 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/271 variables, 47/49 constraints. Problems are: Problem set: 0 solved, 259 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/271 variables, 0/49 constraints. Problems are: Problem set: 0 solved, 259 unsolved
At refinement iteration 3 (OVERLAPS) 260/531 variables, 271/320 constraints. Problems are: Problem set: 0 solved, 259 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/531 variables, 18/338 constraints. Problems are: Problem set: 0 solved, 259 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/531 variables, 0/338 constraints. Problems are: Problem set: 0 solved, 259 unsolved
At refinement iteration 6 (OVERLAPS) 1/532 variables, 1/339 constraints. Problems are: Problem set: 0 solved, 259 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 00:52:33] [INFO ] Deduced a trap composed of 14 places in 65 ms of which 4 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 00:52:33] [INFO ] Deduced a trap composed of 18 places in 62 ms of which 5 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 00:52:34] [INFO ] Deduced a trap composed of 38 places in 48 ms of which 3 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 00:52:35] [INFO ] Deduced a trap composed of 40 places in 42 ms of which 2 ms to minimize.
Solver is answering 'unknown', stopping.
After SMT solving in domain Real declared 532/532 variables, and 343 constraints, problems are : Problem set: 0 solved, 259 unsolved in 30015 ms.
Refiners :[Positive P Invariants (semi-flows): 2/2 constraints, Generalized P Invariants (flows): 47/47 constraints, State Equation: 272/272 constraints, ReadFeed: 18/18 constraints, PredecessorRefiner: 259/259 constraints, Known Traps: 4/4 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 259 unsolved
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/271 variables, 2/2 constraints. Problems are: Problem set: 0 solved, 259 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/271 variables, 47/49 constraints. Problems are: Problem set: 0 solved, 259 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/271 variables, 0/49 constraints. Problems are: Problem set: 0 solved, 259 unsolved
At refinement iteration 3 (OVERLAPS) 260/531 variables, 271/320 constraints. Problems are: Problem set: 0 solved, 259 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/531 variables, 18/338 constraints. Problems are: Problem set: 0 solved, 259 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/531 variables, 256/594 constraints. Problems are: Problem set: 0 solved, 259 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/531 variables, 0/594 constraints. Problems are: Problem set: 0 solved, 259 unsolved
At refinement iteration 7 (OVERLAPS) 1/532 variables, 1/595 constraints. Problems are: Problem set: 0 solved, 259 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 532/532 variables, and 598 constraints, problems are : Problem set: 0 solved, 259 unsolved in 30013 ms.
Refiners :[Positive P Invariants (semi-flows): 2/2 constraints, Generalized P Invariants (flows): 47/47 constraints, State Equation: 272/272 constraints, ReadFeed: 18/18 constraints, PredecessorRefiner: 259/259 constraints, Known Traps: 0/4 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 60056ms problems are : Problem set: 0 solved, 259 unsolved
Search for dead transitions found 0 dead transitions in 60057ms
Finished structural reductions in SI_LTL mode , in 1 iterations and 62018 ms. Remains : 272/272 places, 260/260 transitions.
Built C files in :
/tmp/ltsmin16526551005430394794
[2025-06-01 00:53:07] [INFO ] Computing symmetric may disable matrix : 260 transitions.
[2025-06-01 00:53:07] [INFO ] Computation of Complete disable matrix. took 1 ms. Total solver calls (SAT/UNSAT): 0(0/0)
[2025-06-01 00:53:07] [INFO ] Computing symmetric may enable matrix : 260 transitions.
[2025-06-01 00:53:07] [INFO ] Computation of Complete enable matrix. took 0 ms. Total solver calls (SAT/UNSAT): 0(0/0)
[2025-06-01 00:53:07] [INFO ] Computing Do-Not-Accords matrix : 260 transitions.
[2025-06-01 00:53:07] [INFO ] Computation of Completed DNA matrix. took 4 ms. Total solver calls (SAT/UNSAT): 0(0/0)
[2025-06-01 00:53:07] [INFO ] Built C files in 30ms conformant to PINS (ltsmin variant)in folder :/tmp/ltsmin16526551005430394794
Running compilation step : cd /tmp/ltsmin16526551005430394794;'/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 535 ms.
Running link step : cd /tmp/ltsmin16526551005430394794;'gcc' '-shared' '-o' 'gal.so' 'model.o'
Link finished in 39 ms.
Running LTSmin : cd /tmp/ltsmin16526551005430394794;'/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/stateBased8598485213930849021.hoa' '--buchi-type=spotba'
WARNING : LTS min runner thread was asked to interrupt. Dying gracefully.
[2025-06-01 00:53:22] [INFO ] Flatten gal took : 10 ms
[2025-06-01 00:53:22] [INFO ] Flatten gal took : 14 ms
[2025-06-01 00:53:22] [INFO ] Time to serialize gal into /tmp/LTL4351861716431583561.gal : 2 ms
[2025-06-01 00:53:22] [INFO ] Time to serialize properties into /tmp/LTL5865987857864937371.prop : 1 ms
Invoking ITS tools like this :cd /home/mcc/execution;'/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202505121319/bin/its-ltl-linux64' '--gc-threshold' '2000000' '-i' '/tmp/LTL4351861716431583561.gal' '-t' 'CGAL' '-hoa' '/tmp/aut12440932765586351808.hoa' '-atoms' '/tmp/LTL5865987857864937371.prop' '-c' '-stutter-deadlock' '--gen-order' 'FOLLOW'

its-ltl command run as :

/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202505121319/bin/its-ltl-linux64 --gc-threshold 2000000 -i /tmp/L...318
Loading property file /tmp/LTL5865987857864937371.prop.
Loaded 1 atomic propositions.
Checking formula 0 provided in automaton : /tmp/aut12440932765586351808.hoa
Detected timeout of ITS tools.
[2025-06-01 00:53:37] [INFO ] Flatten gal took : 10 ms
[2025-06-01 00:53:37] [INFO ] Flatten gal took : 9 ms
[2025-06-01 00:53:37] [INFO ] Time to serialize gal into /tmp/LTL3202366038984200425.gal : 1 ms
[2025-06-01 00:53:37] [INFO ] Time to serialize properties into /tmp/LTL3190567498493668030.ltl : 0 ms
Invoking ITS tools like this :cd /home/mcc/execution;'/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202505121319/bin/its-ltl-linux64' '--gc-threshold' '2000000' '-i' '/tmp/LTL3202366038984200425.gal' '-t' 'CGAL' '-LTL' '/tmp/LTL3190567498493668030.ltl' '-c' '-stutter-deadlock' '--gen-order' 'FOLLOW'

its-ltl command run as :

/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202505121319/bin/its-ltl-linux64 --gc-threshold 2000000 -i /tmp/L...275
Read 1 LTL properties
Checking formula 0 : !((F(G("(p357<1)"))))
Formula 0 simplified : GF!"(p357<1)"
Detected timeout of ITS tools.
[2025-06-01 00:53:52] [INFO ] Flatten gal took : 8 ms
[2025-06-01 00:53:52] [INFO ] Applying decomposition
[2025-06-01 00:53:52] [INFO ] Flatten gal took : 8 ms
Converted graph to binary with : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.louvain.binaries_1.0.0.202505121319/bin/convert-linux64' '-i' '/tmp/graph2110448292695409310.txt' '-o' '/tmp/graph2110448292695409310.bin' '-w' '/tmp/graph2110448292695409310.weights'
Built communities with : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.louvain.binaries_1.0.0.202505121319/bin/louvain-linux64' '/tmp/graph2110448292695409310.bin' '-l' '-1' '-v' '-w' '/tmp/graph2110448292695409310.weights' '-q' '0' '-e' '0.001'
[2025-06-01 00:53:52] [INFO ] Decomposing Gal with order
[2025-06-01 00:53:52] [INFO ] Rewriting arrays to variables to allow decomposition.
[2025-06-01 00:53:52] [INFO ] Removed a total of 201 redundant transitions.
[2025-06-01 00:53:52] [INFO ] Flatten gal took : 19 ms
[2025-06-01 00:53:52] [INFO ] Fuse similar labels procedure discarded/fused a total of 2 labels/synchronizations in 6 ms.
[2025-06-01 00:53:52] [INFO ] Time to serialize gal into /tmp/LTL7778415878187167988.gal : 4 ms
[2025-06-01 00:53:52] [INFO ] Time to serialize properties into /tmp/LTL16306095672241838359.ltl : 0 ms
Invoking ITS tools like this :cd /home/mcc/execution;'/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202505121319/bin/its-ltl-linux64' '--gc-threshold' '2000000' '-i' '/tmp/LTL7778415878187167988.gal' '-t' 'CGAL' '-LTL' '/tmp/LTL16306095672241838359.ltl' '-c' '-stutter-deadlock'

its-ltl command run as :

/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202505121319/bin/its-ltl-linux64 --gc-threshold 2000000 -i /tmp/L...255
Read 1 LTL properties
Checking formula 0 : !((F(G("(i3.i2.u60.p357<1)"))))
Formula 0 simplified : GF!"(i3.i2.u60.p357<1)"
Detected timeout of ITS tools.
Treatment of property DoubleExponent-PT-010-LTLFireability-12 finished in 403516 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))&&(X(p0)||G(p1))))))'
Support contains 4 out of 527 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 527/527 places, 497/497 transitions.
Applied a total of 0 rules in 15 ms. Remains 527 /527 variables (removed 0) and now considering 497/497 (removed 0) transitions.
// Phase 1: matrix 497 rows 527 cols
[2025-06-01 00:54:07] [INFO ] Computed 49 invariants in 22 ms
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-01 00:54:07] [INFO ] Implicit Places using invariants in 176 ms returned []
[2025-06-01 00:54:07] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-01 00:54:09] [INFO ] Implicit Places using invariants and state equation in 1712 ms returned []
Implicit Place search using SMT with State Equation took 1890 ms to find 0 implicit places.
Running 496 sub problems to find dead transitions.
[2025-06-01 00:54:09] [INFO ] Invariant cache hit.
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/526 variables, 46/46 constraints. Problems are: Problem set: 0 solved, 496 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/526 variables, 0/46 constraints. Problems are: Problem set: 0 solved, 496 unsolved
At refinement iteration 2 (OVERLAPS) 1/527 variables, 2/48 constraints. Problems are: Problem set: 0 solved, 496 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/527 variables, 1/49 constraints. Problems are: Problem set: 0 solved, 496 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 00:54:27] [INFO ] Deduced a trap composed of 7 places in 28 ms of which 2 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 00:54:28] [INFO ] Deduced a trap composed of 8 places in 25 ms of which 2 ms to minimize.
At refinement iteration 4 (INCLUDED_ONLY) 0/527 variables, 2/51 constraints. Problems are: Problem set: 0 solved, 496 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/527 variables, 0/51 constraints. Problems are: Problem set: 0 solved, 496 unsolved
Error getting values : (error "ParserException while parsing response: (timeout
org.smtlib.IParser$ParserException: Unbalanced parentheses at end of input")
At refinement iteration 6 (OVERLAPS) 497/1024 variables, 527/578 constraints. Problems are: Problem set: 0 solved, 496 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Real declared 1024/1024 variables, and 578 constraints, problems are : Problem set: 0 solved, 496 unsolved in 30019 ms.
Refiners :[Positive P Invariants (semi-flows): 2/2 constraints, Generalized P Invariants (flows): 47/47 constraints, State Equation: 527/527 constraints, PredecessorRefiner: 496/496 constraints, Known Traps: 2/2 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 496 unsolved
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/526 variables, 46/46 constraints. Problems are: Problem set: 0 solved, 496 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/526 variables, 0/46 constraints. Problems are: Problem set: 0 solved, 496 unsolved
At refinement iteration 2 (OVERLAPS) 1/527 variables, 2/48 constraints. Problems are: Problem set: 0 solved, 496 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/527 variables, 1/49 constraints. Problems are: Problem set: 0 solved, 496 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/527 variables, 2/51 constraints. Problems are: Problem set: 0 solved, 496 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/527 variables, 0/51 constraints. Problems are: Problem set: 0 solved, 496 unsolved
At refinement iteration 6 (OVERLAPS) 497/1024 variables, 527/578 constraints. Problems are: Problem set: 0 solved, 496 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/1024 variables, 496/1074 constraints. Problems are: Problem set: 0 solved, 496 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 1024/1024 variables, and 1074 constraints, problems are : Problem set: 0 solved, 496 unsolved in 30021 ms.
Refiners :[Positive P Invariants (semi-flows): 2/2 constraints, Generalized P Invariants (flows): 47/47 constraints, State Equation: 527/527 constraints, PredecessorRefiner: 496/496 constraints, Known Traps: 2/2 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 60073ms problems are : Problem set: 0 solved, 496 unsolved
Search for dead transitions found 0 dead transitions in 60075ms
Finished structural reductions in LTL mode , in 1 iterations and 61982 ms. Remains : 527/527 places, 497/497 transitions.
Stuttering acceptance computed with spot in 274 ms :[(NOT p1), (OR (NOT p1) (NOT p0)), (NOT p0), (NOT p0), (NOT p0), (NOT p0), true, (NOT p0)]
Running random walk in product with property : DoubleExponent-PT-010-LTLFireability-13
Entered a terminal (fully accepting) state of product in 3 steps with 0 reset in 1 ms.
FORMULA DoubleExponent-PT-010-LTLFireability-13 FALSE TECHNIQUES STUTTER_TEST
Treatment of property DoubleExponent-PT-010-LTLFireability-13 finished in 62282 ms.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202505121319/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!(F(p0))'
Support contains 2 out of 527 places. Attempting structural reductions.
Starting structural reductions in SI_LTL mode, iteration 0 : 527/527 places, 497/497 transitions.
Graph (complete) has 895 edges and 527 vertex of which 526 are kept as prefixes of interest. Removing 1 places using SCC suffix rule.1 ms
Discarding 1 places :
Also discarding 1 output transitions
Drop transitions (Output transitions of discarded places.) removed 1 transitions
Reduce places removed 1 places and 1 transitions.
Drop transitions (Trivial Post-Agglo cleanup.) removed 118 transitions
Trivial Post-agglo rules discarded 118 transitions
Performed 118 trivial Post agglomeration. Transition count delta: 118
Iterating post reduction 0 with 118 rules applied. Total rules applied 119 place count 525 transition count 377
Reduce places removed 118 places and 0 transitions.
Performed 2 Post agglomeration using F-continuation condition.Transition count delta: 2
Iterating post reduction 1 with 120 rules applied. Total rules applied 239 place count 407 transition count 375
Reduce places removed 2 places and 0 transitions.
Iterating post reduction 2 with 2 rules applied. Total rules applied 241 place count 405 transition count 375
Performed 21 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 3 with 21 Pre rules applied. Total rules applied 241 place count 405 transition count 354
Deduced a syphon composed of 21 places in 2 ms
Reduce places removed 21 places and 0 transitions.
Iterating global reduction 3 with 42 rules applied. Total rules applied 283 place count 384 transition count 354
Performed 90 Post agglomeration using F-continuation condition.Transition count delta: 90
Deduced a syphon composed of 90 places in 1 ms
Reduce places removed 90 places and 0 transitions.
Iterating global reduction 3 with 180 rules applied. Total rules applied 463 place count 294 transition count 264
Performed 18 Post agglomeration using F-continuation condition.Transition count delta: 0
Deduced a syphon composed of 18 places in 0 ms
Reduce places removed 18 places and 0 transitions.
Iterating global reduction 3 with 36 rules applied. Total rules applied 499 place count 276 transition count 264
Partial Post-agglomeration rule applied 2 times.
Drop transitions (Partial Post agglomeration) removed 2 transitions
Iterating global reduction 3 with 2 rules applied. Total rules applied 501 place count 276 transition count 264
Reduce places removed 1 places and 1 transitions.
Iterating global reduction 3 with 1 rules applied. Total rules applied 502 place count 275 transition count 263
Applied a total of 502 rules in 31 ms. Remains 275 /527 variables (removed 252) and now considering 263/497 (removed 234) transitions.
// Phase 1: matrix 263 rows 275 cols
[2025-06-01 00:55:09] [INFO ] Computed 49 invariants in 14 ms
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-01 00:55:09] [INFO ] Implicit Places using invariants in 132 ms returned []
[2025-06-01 00:55:09] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-01 00:55:10] [INFO ] State equation strengthened by 17 read => feed constraints.
[2025-06-01 00:55:11] [INFO ] Implicit Places using invariants and state equation in 1481 ms returned []
Implicit Place search using SMT with State Equation took 1614 ms to find 0 implicit places.
Starting Z3 with timeout 200.0 s and query timeout 20000.0 ms
[2025-06-01 00:55:11] [INFO ] Redundant transitions in 2 ms returned []
Running 262 sub problems to find dead transitions.
[2025-06-01 00:55:11] [INFO ] Invariant cache hit.
[2025-06-01 00:55:11] [INFO ] State equation strengthened by 17 read => feed constraints.
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/274 variables, 2/2 constraints. Problems are: Problem set: 0 solved, 262 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/274 variables, 47/49 constraints. Problems are: Problem set: 0 solved, 262 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/274 variables, 0/49 constraints. Problems are: Problem set: 0 solved, 262 unsolved
At refinement iteration 3 (OVERLAPS) 263/537 variables, 274/323 constraints. Problems are: Problem set: 0 solved, 262 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/537 variables, 17/340 constraints. Problems are: Problem set: 0 solved, 262 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/537 variables, 0/340 constraints. Problems are: Problem set: 0 solved, 262 unsolved
At refinement iteration 6 (OVERLAPS) 1/538 variables, 1/341 constraints. Problems are: Problem set: 0 solved, 262 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 00:55:33] [INFO ] Deduced a trap composed of 6 places in 77 ms of which 6 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 00:55:33] [INFO ] Deduced a trap composed of 10 places in 73 ms of which 6 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 00:55:39] [INFO ] Deduced a trap composed of 10 places in 77 ms of which 5 ms to minimize.
Solver is answering 'unknown', stopping.
After SMT solving in domain Real declared 538/538 variables, and 344 constraints, problems are : Problem set: 0 solved, 262 unsolved in 30014 ms.
Refiners :[Positive P Invariants (semi-flows): 2/2 constraints, Generalized P Invariants (flows): 47/47 constraints, State Equation: 275/275 constraints, ReadFeed: 17/17 constraints, PredecessorRefiner: 262/262 constraints, Known Traps: 3/3 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 262 unsolved
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/274 variables, 2/2 constraints. Problems are: Problem set: 0 solved, 262 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/274 variables, 47/49 constraints. Problems are: Problem set: 0 solved, 262 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/274 variables, 0/49 constraints. Problems are: Problem set: 0 solved, 262 unsolved
At refinement iteration 3 (OVERLAPS) 263/537 variables, 274/323 constraints. Problems are: Problem set: 0 solved, 262 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/537 variables, 17/340 constraints. Problems are: Problem set: 0 solved, 262 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/537 variables, 259/599 constraints. Problems are: Problem set: 0 solved, 262 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/537 variables, 0/599 constraints. Problems are: Problem set: 0 solved, 262 unsolved
SMT process timed out in 60050ms, After SMT, problems are : Problem set: 0 solved, 262 unsolved
Search for dead transitions found 0 dead transitions in 60051ms
Starting structural reductions in SI_LTL mode, iteration 1 : 275/527 places, 263/497 transitions.
Finished structural reductions in SI_LTL mode , in 1 iterations and 61704 ms. Remains : 275/527 places, 263/497 transitions.
Stuttering acceptance computed with spot in 37 ms :[(NOT p0)]
Running random walk in product with property : DoubleExponent-PT-010-LTLFireability-14
Stuttering criterion allowed to conclude after 5 steps with 0 reset in 0 ms.
FORMULA DoubleExponent-PT-010-LTLFireability-14 FALSE TECHNIQUES STUTTER_TEST
Treatment of property DoubleExponent-PT-010-LTLFireability-14 finished in 61757 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((G(p0)||X(G(p1)))))'
Found a Lengthening insensitive property : DoubleExponent-PT-010-LTLFireability-11
Stuttering acceptance computed with spot in 194 ms :[true, (NOT p1), (AND (NOT p1) (NOT p0)), (NOT p0), (AND (NOT p1) (NOT p0)), (AND (NOT p0) (NOT p1))]
Support contains 3 out of 527 places. Attempting structural reductions.
Starting structural reductions in LI_LTL mode, iteration 0 : 527/527 places, 497/497 transitions.
Graph (complete) has 895 edges and 527 vertex of which 526 are kept as prefixes of interest. Removing 1 places using SCC suffix rule.3 ms
Discarding 1 places :
Also discarding 1 output transitions
Drop transitions (Output transitions of discarded places.) removed 1 transitions
Reduce places removed 1 places and 1 transitions.
Drop transitions (Trivial Post-Agglo cleanup.) removed 118 transitions
Trivial Post-agglo rules discarded 118 transitions
Performed 118 trivial Post agglomeration. Transition count delta: 118
Iterating post reduction 0 with 118 rules applied. Total rules applied 119 place count 525 transition count 377
Reduce places removed 118 places and 0 transitions.
Performed 1 Post agglomeration using F-continuation condition.Transition count delta: 1
Iterating post reduction 1 with 119 rules applied. Total rules applied 238 place count 407 transition count 376
Reduce places removed 1 places and 0 transitions.
Iterating post reduction 2 with 1 rules applied. Total rules applied 239 place count 406 transition count 376
Performed 21 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 3 with 21 Pre rules applied. Total rules applied 239 place count 406 transition count 355
Deduced a syphon composed of 21 places in 2 ms
Reduce places removed 21 places and 0 transitions.
Iterating global reduction 3 with 42 rules applied. Total rules applied 281 place count 385 transition count 355
Performed 91 Post agglomeration using F-continuation condition.Transition count delta: 91
Deduced a syphon composed of 91 places in 0 ms
Reduce places removed 91 places and 0 transitions.
Iterating global reduction 3 with 182 rules applied. Total rules applied 463 place count 294 transition count 264
Performed 17 Post agglomeration using F-continuation condition.Transition count delta: 0
Deduced a syphon composed of 17 places in 1 ms
Reduce places removed 17 places and 0 transitions.
Iterating global reduction 3 with 34 rules applied. Total rules applied 497 place count 277 transition count 264
Partial Post-agglomeration rule applied 1 times.
Drop transitions (Partial Post agglomeration) removed 1 transitions
Iterating global reduction 3 with 1 rules applied. Total rules applied 498 place count 277 transition count 264
Reduce places removed 1 places and 1 transitions.
Iterating global reduction 3 with 1 rules applied. Total rules applied 499 place count 276 transition count 263
Applied a total of 499 rules in 39 ms. Remains 276 /527 variables (removed 251) and now considering 263/497 (removed 234) transitions.
// Phase 1: matrix 263 rows 276 cols
[2025-06-01 00:56:11] [INFO ] Computed 49 invariants in 9 ms
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-01 00:56:11] [INFO ] Implicit Places using invariants in 138 ms returned []
[2025-06-01 00:56:11] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-01 00:56:12] [INFO ] State equation strengthened by 18 read => feed constraints.
[2025-06-01 00:56:13] [INFO ] Implicit Places using invariants and state equation in 1653 ms returned []
Implicit Place search using SMT with State Equation took 1791 ms to find 0 implicit places.
Running 262 sub problems to find dead transitions.
[2025-06-01 00:56:13] [INFO ] Invariant cache hit.
[2025-06-01 00:56:13] [INFO ] State equation strengthened by 18 read => feed constraints.
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/275 variables, 2/2 constraints. Problems are: Problem set: 0 solved, 262 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/275 variables, 47/49 constraints. Problems are: Problem set: 0 solved, 262 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/275 variables, 0/49 constraints. Problems are: Problem set: 0 solved, 262 unsolved
At refinement iteration 3 (OVERLAPS) 263/538 variables, 275/324 constraints. Problems are: Problem set: 0 solved, 262 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/538 variables, 18/342 constraints. Problems are: Problem set: 0 solved, 262 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/538 variables, 0/342 constraints. Problems are: Problem set: 0 solved, 262 unsolved
At refinement iteration 6 (OVERLAPS) 1/539 variables, 1/343 constraints. Problems are: Problem set: 0 solved, 262 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 00:56:37] [INFO ] Deduced a trap composed of 21 places in 54 ms of which 3 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 00:56:37] [INFO ] Deduced a trap composed of 6 places in 71 ms of which 6 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 00:56:37] [INFO ] Deduced a trap composed of 10 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 00:56:38] [INFO ] Deduced a trap composed of 35 places in 64 ms of which 2 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 00:56:39] [INFO ] Deduced a trap composed of 39 places in 46 ms of which 2 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 00:56:39] [INFO ] Deduced a trap composed of 31 places in 44 ms of which 3 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 00:56:39] [INFO ] Deduced a trap composed of 37 places in 49 ms of which 5 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 00:56:40] [INFO ] Deduced a trap composed of 10 places in 71 ms of which 6 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 00:56:42] [INFO ] Deduced a trap composed of 35 places in 43 ms of which 3 ms to minimize.
Solver is answering 'unknown', stopping.
After SMT solving in domain Real declared 539/539 variables, and 352 constraints, problems are : Problem set: 0 solved, 262 unsolved in 30016 ms.
Refiners :[Positive P Invariants (semi-flows): 2/2 constraints, Generalized P Invariants (flows): 47/47 constraints, State Equation: 276/276 constraints, ReadFeed: 18/18 constraints, PredecessorRefiner: 262/262 constraints, Known Traps: 9/9 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 262 unsolved
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/275 variables, 2/2 constraints. Problems are: Problem set: 0 solved, 262 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/275 variables, 47/49 constraints. Problems are: Problem set: 0 solved, 262 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/275 variables, 0/49 constraints. Problems are: Problem set: 0 solved, 262 unsolved
At refinement iteration 3 (OVERLAPS) 263/538 variables, 275/324 constraints. Problems are: Problem set: 0 solved, 262 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/538 variables, 18/342 constraints. Problems are: Problem set: 0 solved, 262 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/538 variables, 259/601 constraints. Problems are: Problem set: 0 solved, 262 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/538 variables, 0/601 constraints. Problems are: Problem set: 0 solved, 262 unsolved
At refinement iteration 7 (OVERLAPS) 1/539 variables, 1/602 constraints. Problems are: Problem set: 0 solved, 262 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 539/539 variables, and 605 constraints, problems are : Problem set: 0 solved, 262 unsolved in 30020 ms.
Refiners :[Positive P Invariants (semi-flows): 2/2 constraints, Generalized P Invariants (flows): 47/47 constraints, State Equation: 276/276 constraints, ReadFeed: 18/18 constraints, PredecessorRefiner: 262/262 constraints, Known Traps: 0/9 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 60056ms problems are : Problem set: 0 solved, 262 unsolved
Search for dead transitions found 0 dead transitions in 60058ms
Starting structural reductions in LI_LTL mode, iteration 1 : 276/527 places, 263/497 transitions.
Finished structural reductions in LI_LTL mode , in 1 iterations and 61889 ms. Remains : 276/527 places, 263/497 transitions.
Running random walk in product with property : DoubleExponent-PT-010-LTLFireability-11
Product exploration explored 100000 steps with 13950 reset in 107 ms.
Product exploration explored 100000 steps with 13915 reset in 120 ms.
Computed a total of 0 stabilizing places and 0 stable transitions
Graph (complete) has 849 edges and 276 vertex of which 275 are kept as prefixes of interest. Removing 1 places using SCC suffix rule.1 ms
Computed a total of 0 stabilizing places and 0 stable transitions
Knowledge obtained : [(AND p1 p0), (X p0), (X (X (NOT (AND (NOT p0) (NOT p1))))), (X (X (NOT (AND p0 (NOT p1))))), (X (X (NOT (AND (NOT p0) p1)))), (X (X (AND p0 p1))), (X (X p1)), (X (X p0))]
False Knowledge obtained : []
Knowledge based reduction with 8 factoid took 88 ms. Reduced automaton from 6 states, 12 edges and 2 AP (stutter sensitive) to 6 states, 11 edges and 2 AP (stutter sensitive).
Stuttering acceptance computed with spot in 167 ms :[true, (NOT p1), (NOT p0), (AND (NOT p1) (NOT p0)), (AND (NOT p1) (NOT p0)), (AND (NOT p1) (NOT p0))]
RANDOM walk for 40000 steps (5523 resets) in 104 ms. (380 steps per ms) remains 6/6 properties
BEST_FIRST walk for 40003 steps (3250 resets) in 60 ms. (655 steps per ms) remains 6/6 properties
BEST_FIRST walk for 40002 steps (3265 resets) in 59 ms. (666 steps per ms) remains 6/6 properties
BEST_FIRST walk for 40001 steps (3257 resets) in 61 ms. (645 steps per ms) remains 6/6 properties
BEST_FIRST walk for 40001 steps (3258 resets) in 70 ms. (563 steps per ms) remains 6/6 properties
BEST_FIRST walk for 40002 steps (3282 resets) in 66 ms. (597 steps per ms) remains 6/6 properties
BEST_FIRST walk for 40004 steps (3268 resets) in 76 ms. (519 steps per ms) remains 6/6 properties
Interrupted probabilistic random walk after 316915 steps, run timeout after 3001 ms. (steps per millisecond=105 ) properties seen :0 out of 6
Probabilistic random walk after 316915 steps, saw 158510 distinct states, run finished after 3001 ms. (steps per millisecond=105 ) properties seen :0
[2025-06-01 00:57:17] [INFO ] Invariant cache hit.
[2025-06-01 00:57:17] [INFO ] State equation strengthened by 18 read => feed constraints.
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, 6 unsolved
At refinement iteration 1 (OVERLAPS) 113/116 variables, 9/9 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/116 variables, 0/9 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 3 (OVERLAPS) 114/230 variables, 32/41 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/230 variables, 0/41 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 5 (OVERLAPS) 10/240 variables, 4/45 constraints. Problems are: Problem set: 0 solved, 6 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 00:57:17] [INFO ] Deduced a trap composed of 6 places in 61 ms of which 4 ms to minimize.
At refinement iteration 6 (INCLUDED_ONLY) 0/240 variables, 1/46 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/240 variables, 0/46 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 8 (OVERLAPS) 253/493 variables, 240/286 constraints. Problems are: Problem set: 0 solved, 6 unsolved
All remaining problems are real, not stopping.
At refinement iteration 9 (INCLUDED_ONLY) 0/493 variables, 16/302 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/493 variables, 0/302 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 11 (OVERLAPS) 40/533 variables, 31/333 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 12 (INCLUDED_ONLY) 0/533 variables, 2/335 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 13 (INCLUDED_ONLY) 0/533 variables, 1/336 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 14 (INCLUDED_ONLY) 0/533 variables, 0/336 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 15 (OVERLAPS) 2/535 variables, 2/338 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 16 (INCLUDED_ONLY) 0/535 variables, 2/340 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 17 (INCLUDED_ONLY) 0/535 variables, 0/340 constraints. Problems are: Problem set: 0 solved, 6 unsolved
Problem apf2 is UNSAT
At refinement iteration 18 (OVERLAPS) 4/539 variables, 3/343 constraints. Problems are: Problem set: 1 solved, 5 unsolved
At refinement iteration 19 (INCLUDED_ONLY) 0/539 variables, 1/344 constraints. Problems are: Problem set: 1 solved, 5 unsolved
At refinement iteration 20 (INCLUDED_ONLY) 0/539 variables, 0/344 constraints. Problems are: Problem set: 1 solved, 5 unsolved
At refinement iteration 21 (OVERLAPS) 0/539 variables, 0/344 constraints. Problems are: Problem set: 1 solved, 5 unsolved
No progress, stopping.
After SMT solving in domain Real declared 539/539 variables, and 344 constraints, problems are : Problem set: 1 solved, 5 unsolved in 1213 ms.
Refiners :[Positive P Invariants (semi-flows): 2/2 constraints, Generalized P Invariants (flows): 47/47 constraints, State Equation: 276/276 constraints, ReadFeed: 18/18 constraints, PredecessorRefiner: 6/6 constraints, Known Traps: 1/1 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 1 solved, 5 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: 1 solved, 5 unsolved
At refinement iteration 1 (OVERLAPS) 113/116 variables, 9/9 constraints. Problems are: Problem set: 1 solved, 5 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/116 variables, 0/9 constraints. Problems are: Problem set: 1 solved, 5 unsolved
At refinement iteration 3 (OVERLAPS) 114/230 variables, 32/41 constraints. Problems are: Problem set: 1 solved, 5 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/230 variables, 0/41 constraints. Problems are: Problem set: 1 solved, 5 unsolved
At refinement iteration 5 (OVERLAPS) 10/240 variables, 4/45 constraints. Problems are: Problem set: 1 solved, 5 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/240 variables, 1/46 constraints. Problems are: Problem set: 1 solved, 5 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/240 variables, 0/46 constraints. Problems are: Problem set: 1 solved, 5 unsolved
At refinement iteration 8 (OVERLAPS) 253/493 variables, 240/286 constraints. Problems are: Problem set: 1 solved, 5 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/493 variables, 16/302 constraints. Problems are: Problem set: 1 solved, 5 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/493 variables, 5/307 constraints. Problems are: Problem set: 1 solved, 5 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 00:57:18] [INFO ] Deduced a trap along path composed of 4 places in 22 ms of which 1 ms to minimize.
At refinement iteration 11 (INCLUDED_ONLY) 0/493 variables, 1/308 constraints. Problems are: Problem set: 1 solved, 5 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 00:57:19] [INFO ] Deduced a trap along path composed of 10 places in 28 ms of which 0 ms to minimize.
At refinement iteration 12 (INCLUDED_ONLY) 0/493 variables, 1/309 constraints. Problems are: Problem set: 1 solved, 5 unsolved
At refinement iteration 13 (INCLUDED_ONLY) 0/493 variables, 0/309 constraints. Problems are: Problem set: 1 solved, 5 unsolved
At refinement iteration 14 (OVERLAPS) 40/533 variables, 31/340 constraints. Problems are: Problem set: 1 solved, 5 unsolved
At refinement iteration 15 (INCLUDED_ONLY) 0/533 variables, 2/342 constraints. Problems are: Problem set: 1 solved, 5 unsolved
At refinement iteration 16 (INCLUDED_ONLY) 0/533 variables, 1/343 constraints. Problems are: Problem set: 1 solved, 5 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 00:57:19] [INFO ] Deduced a trap composed of 4 places in 66 ms of which 4 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 00:57:19] [INFO ] Deduced a trap composed of 8 places in 76 ms of which 6 ms to minimize.
At refinement iteration 17 (INCLUDED_ONLY) 0/533 variables, 2/345 constraints. Problems are: Problem set: 1 solved, 5 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 00:57:19] [INFO ] Deduced a trap along path composed of 4 places in 35 ms of which 1 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 00:57:19] [INFO ] Deduced a trap along path composed of 2 places in 35 ms of which 0 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 00:57:19] [INFO ] Deduced a trap along path composed of 8 places in 33 ms of which 0 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 00:57:20] [INFO ] Deduced a trap along path composed of 8 places in 32 ms of which 0 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 00:57:20] [INFO ] Deduced a trap along path composed of 8 places in 27 ms of which 1 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 00:57:20] [INFO ] Deduced a trap along path composed of 4 places in 26 ms of which 0 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 00:57:20] [INFO ] Deduced a trap along path composed of 2 places in 25 ms of which 0 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 00:57:20] [INFO ] Deduced a trap along path composed of 4 places in 30 ms of which 1 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 00:57:20] [INFO ] Deduced a trap along path composed of 8 places in 32 ms of which 0 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 00:57:20] [INFO ] Deduced a trap along path composed of 4 places in 15 ms of which 1 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 00:57:20] [INFO ] Deduced a trap along path composed of 8 places in 25 ms of which 1 ms to minimize.
At refinement iteration 18 (INCLUDED_ONLY) 0/533 variables, 11/356 constraints. Problems are: Problem set: 1 solved, 5 unsolved
At refinement iteration 19 (INCLUDED_ONLY) 0/533 variables, 0/356 constraints. Problems are: Problem set: 1 solved, 5 unsolved
At refinement iteration 20 (OVERLAPS) 2/535 variables, 2/358 constraints. Problems are: Problem set: 1 solved, 5 unsolved
At refinement iteration 21 (INCLUDED_ONLY) 0/535 variables, 2/360 constraints. Problems are: Problem set: 1 solved, 5 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 00:57:21] [INFO ] Deduced a trap along path composed of 2 places in 21 ms of which 1 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 00:57:21] [INFO ] Deduced a trap along path composed of 2 places in 19 ms of which 1 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 00:57:21] [INFO ] Deduced a trap along path composed of 2 places in 19 ms of which 0 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 00:57:21] [INFO ] Deduced a trap along path composed of 2 places in 20 ms of which 0 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 00:57:21] [INFO ] Deduced a trap along path composed of 2 places in 18 ms of which 1 ms to minimize.
At refinement iteration 22 (INCLUDED_ONLY) 0/535 variables, 0/360 constraints. Problems are: Problem set: 1 solved, 5 unsolved
At refinement iteration 23 (OVERLAPS) 4/539 variables, 3/363 constraints. Problems are: Problem set: 1 solved, 5 unsolved
At refinement iteration 24 (INCLUDED_ONLY) 0/539 variables, 1/364 constraints. Problems are: Problem set: 1 solved, 5 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 00:57:21] [INFO ] Deduced a trap composed of 21 places in 50 ms of which 2 ms to minimize.
At refinement iteration 25 (INCLUDED_ONLY) 0/539 variables, 1/365 constraints. Problems are: Problem set: 1 solved, 5 unsolved
At refinement iteration 26 (INCLUDED_ONLY) 0/539 variables, 5/370 constraints. Problems are: Problem set: 1 solved, 5 unsolved
At refinement iteration 27 (INCLUDED_ONLY) 0/539 variables, 0/370 constraints. Problems are: Problem set: 1 solved, 5 unsolved
At refinement iteration 28 (OVERLAPS) 0/539 variables, 0/370 constraints. Problems are: Problem set: 1 solved, 5 unsolved
No progress, stopping.
After SMT solving in domain Int declared 539/539 variables, and 370 constraints, problems are : Problem set: 1 solved, 5 unsolved in 3601 ms.
Refiners :[Positive P Invariants (semi-flows): 2/2 constraints, Generalized P Invariants (flows): 47/47 constraints, State Equation: 276/276 constraints, ReadFeed: 18/18 constraints, PredecessorRefiner: 5/6 constraints, Known Traps: 4/4 constraints, Known Traps Along Path: 18/18 constraints]
After SMT, in 4819ms problems are : Problem set: 1 solved, 5 unsolved
Fused 5 Parikh solutions to 2 different solutions.
Parikh walk visited 0 properties in 1528 ms.
Support contains 3 out of 276 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 276/276 places, 263/263 transitions.
Graph (complete) has 809 edges and 276 vertex of which 275 are kept as prefixes of interest. Removing 1 places using SCC suffix rule.0 ms
Discarding 1 places :
Also discarding 0 output 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 2 place count 275 transition count 262
Free-agglomeration rule applied 1 times.
Iterating global reduction 1 with 1 rules applied. Total rules applied 3 place count 275 transition count 261
Reduce places removed 1 places and 0 transitions.
Iterating post reduction 1 with 1 rules applied. Total rules applied 4 place count 274 transition count 261
Free-agglomeration rule (complex) applied 40 times.
Iterating global reduction 2 with 40 rules applied. Total rules applied 44 place count 274 transition count 221
Reduce places removed 40 places and 0 transitions.
Iterating post reduction 2 with 40 rules applied. Total rules applied 84 place count 234 transition count 221
Partial Free-agglomeration rule applied 39 times.
Drop transitions (Partial Free agglomeration) removed 39 transitions
Iterating global reduction 3 with 39 rules applied. Total rules applied 123 place count 234 transition count 221
Applied a total of 123 rules in 17 ms. Remains 234 /276 variables (removed 42) and now considering 221/263 (removed 42) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 17 ms. Remains : 234/276 places, 221/263 transitions.
RANDOM walk for 40000 steps (5156 resets) in 122 ms. (325 steps per ms) remains 5/5 properties
BEST_FIRST walk for 40002 steps (3400 resets) in 74 ms. (533 steps per ms) remains 5/5 properties
BEST_FIRST walk for 40000 steps (3338 resets) in 54 ms. (727 steps per ms) remains 5/5 properties
BEST_FIRST walk for 40002 steps (3357 resets) in 55 ms. (714 steps per ms) remains 5/5 properties
BEST_FIRST walk for 40001 steps (3336 resets) in 54 ms. (727 steps per ms) remains 5/5 properties
BEST_FIRST walk for 40002 steps (3421 resets) in 61 ms. (645 steps per ms) remains 5/5 properties
Interrupted probabilistic random walk after 333042 steps, run timeout after 3001 ms. (steps per millisecond=110 ) properties seen :0 out of 5
Probabilistic random walk after 333042 steps, saw 166612 distinct states, run finished after 3001 ms. (steps per millisecond=110 ) properties seen :0
// Phase 1: matrix 221 rows 234 cols
[2025-06-01 00:57:26] [INFO ] Computed 49 invariants in 9 ms
[2025-06-01 00:57:26] [INFO ] State equation strengthened by 37 read => feed constraints.
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, 5 unsolved
At refinement iteration 1 (OVERLAPS) 71/74 variables, 6/6 constraints. Problems are: Problem set: 0 solved, 5 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/74 variables, 0/6 constraints. Problems are: Problem set: 0 solved, 5 unsolved
At refinement iteration 3 (OVERLAPS) 49/123 variables, 1/7 constraints. Problems are: Problem set: 0 solved, 5 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 00:57:27] [INFO ] Deduced a trap composed of 84 places in 64 ms of which 7 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 00:57:27] [INFO ] Deduced a trap composed of 88 places in 57 ms of which 6 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 00:57:27] [INFO ] Deduced a trap composed of 16 places in 57 ms of which 7 ms to minimize.
At refinement iteration 4 (INCLUDED_ONLY) 0/123 variables, 3/10 constraints. Problems are: Problem set: 0 solved, 5 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/123 variables, 0/10 constraints. Problems are: Problem set: 0 solved, 5 unsolved
At refinement iteration 6 (OVERLAPS) 105/228 variables, 39/49 constraints. Problems are: Problem set: 0 solved, 5 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 00:57:27] [INFO ] Deduced a trap composed of 4 places in 100 ms of which 6 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 00:57:27] [INFO ] Deduced a trap composed of 4 places in 99 ms of which 7 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 00:57:27] [INFO ] Deduced a trap composed of 6 places in 103 ms of which 9 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 00:57:27] [INFO ] Deduced a trap composed of 7 places in 95 ms of which 8 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 00:57:27] [INFO ] Deduced a trap composed of 10 places in 104 ms of which 10 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 00:57:27] [INFO ] Deduced a trap composed of 12 places in 98 ms of which 11 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 00:57:28] [INFO ] Deduced a trap composed of 13 places in 101 ms of which 12 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 00:57:28] [INFO ] Deduced a trap composed of 14 places in 96 ms of which 12 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 00:57:28] [INFO ] Deduced a trap composed of 16 places in 100 ms of which 12 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 00:57:28] [INFO ] Deduced a trap composed of 18 places in 100 ms of which 14 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 00:57:28] [INFO ] Deduced a trap composed of 19 places in 103 ms of which 14 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 00:57:28] [INFO ] Deduced a trap composed of 22 places in 102 ms of which 16 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 00:57:28] [INFO ] Deduced a trap composed of 22 places in 102 ms of which 15 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 00:57:28] [INFO ] Deduced a trap composed of 23 places in 120 ms of which 16 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 00:57:28] [INFO ] Deduced a trap composed of 24 places in 100 ms of which 17 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 00:57:29] [INFO ] Deduced a trap composed of 37 places in 139 ms of which 47 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 00:57:29] [INFO ] Deduced a trap composed of 38 places in 142 ms of which 53 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 00:57:29] [INFO ] Deduced a trap composed of 40 places in 140 ms of which 49 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 00:57:29] [INFO ] Deduced a trap composed of 40 places in 121 ms of which 37 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 00:57:29] [INFO ] Deduced a trap composed of 15 places in 55 ms of which 4 ms to minimize.
At refinement iteration 7 (INCLUDED_ONLY) 0/228 variables, 20/69 constraints. Problems are: Problem set: 0 solved, 5 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/228 variables, 0/69 constraints. Problems are: Problem set: 0 solved, 5 unsolved
At refinement iteration 9 (OVERLAPS) 1/229 variables, 1/70 constraints. Problems are: Problem set: 0 solved, 5 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/229 variables, 0/70 constraints. Problems are: Problem set: 0 solved, 5 unsolved
At refinement iteration 11 (OVERLAPS) 221/450 variables, 229/299 constraints. Problems are: Problem set: 0 solved, 5 unsolved
All remaining problems are real, not stopping.
At refinement iteration 12 (INCLUDED_ONLY) 0/450 variables, 37/336 constraints. Problems are: Problem set: 0 solved, 5 unsolved
At refinement iteration 13 (INCLUDED_ONLY) 0/450 variables, 0/336 constraints. Problems are: Problem set: 0 solved, 5 unsolved
At refinement iteration 14 (OVERLAPS) 5/455 variables, 5/341 constraints. Problems are: Problem set: 0 solved, 5 unsolved
At refinement iteration 15 (INCLUDED_ONLY) 0/455 variables, 2/343 constraints. Problems are: Problem set: 0 solved, 5 unsolved
At refinement iteration 16 (INCLUDED_ONLY) 0/455 variables, 0/343 constraints. Problems are: Problem set: 0 solved, 5 unsolved
At refinement iteration 17 (OVERLAPS) 0/455 variables, 0/343 constraints. Problems are: Problem set: 0 solved, 5 unsolved
No progress, stopping.
After SMT solving in domain Real declared 455/455 variables, and 343 constraints, problems are : Problem set: 0 solved, 5 unsolved in 2993 ms.
Refiners :[Positive P Invariants (semi-flows): 3/3 constraints, Generalized P Invariants (flows): 46/46 constraints, State Equation: 234/234 constraints, ReadFeed: 37/37 constraints, PredecessorRefiner: 5/5 constraints, Known Traps: 23/23 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 5 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, 5 unsolved
At refinement iteration 1 (OVERLAPS) 71/74 variables, 6/6 constraints. Problems are: Problem set: 0 solved, 5 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/74 variables, 0/6 constraints. Problems are: Problem set: 0 solved, 5 unsolved
At refinement iteration 3 (OVERLAPS) 49/123 variables, 1/7 constraints. Problems are: Problem set: 0 solved, 5 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/123 variables, 4/11 constraints. Problems are: Problem set: 0 solved, 5 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/123 variables, 0/11 constraints. Problems are: Problem set: 0 solved, 5 unsolved
At refinement iteration 6 (OVERLAPS) 105/228 variables, 39/50 constraints. Problems are: Problem set: 0 solved, 5 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/228 variables, 19/69 constraints. Problems are: Problem set: 0 solved, 5 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 00:57:30] [INFO ] Deduced a trap composed of 9 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 00:57:30] [INFO ] Deduced a trap composed of 13 places in 95 ms of which 11 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 00:57:30] [INFO ] Deduced a trap composed of 16 places in 103 ms of which 12 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 00:57:30] [INFO ] Deduced a trap composed of 18 places in 101 ms of which 14 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 00:57:30] [INFO ] Deduced a trap composed of 19 places in 99 ms of which 13 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 00:57:30] [INFO ] Deduced a trap composed of 22 places in 104 ms of which 16 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 00:57:30] [INFO ] Deduced a trap composed of 34 places in 122 ms of which 29 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 00:57:30] [INFO ] Deduced a trap composed of 35 places in 132 ms of which 45 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 00:57:31] [INFO ] Deduced a trap composed of 36 places in 119 ms of which 33 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 00:57:31] [INFO ] Deduced a trap composed of 37 places in 127 ms of which 36 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 00:57:31] [INFO ] Deduced a trap composed of 37 places in 137 ms of which 50 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 00:57:31] [INFO ] Deduced a trap composed of 35 places in 119 ms of which 28 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 00:57:31] [INFO ] Deduced a trap composed of 36 places in 136 ms of which 45 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 00:57:31] [INFO ] Deduced a trap composed of 37 places in 121 ms of which 34 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 00:57:31] [INFO ] Deduced a trap composed of 38 places in 131 ms of which 44 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 00:57:32] [INFO ] Deduced a trap composed of 38 places in 113 ms of which 29 ms to minimize.
At refinement iteration 8 (INCLUDED_ONLY) 0/228 variables, 16/85 constraints. Problems are: Problem set: 0 solved, 5 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/228 variables, 0/85 constraints. Problems are: Problem set: 0 solved, 5 unsolved
At refinement iteration 10 (OVERLAPS) 1/229 variables, 1/86 constraints. Problems are: Problem set: 0 solved, 5 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/229 variables, 0/86 constraints. Problems are: Problem set: 0 solved, 5 unsolved
At refinement iteration 12 (OVERLAPS) 221/450 variables, 229/315 constraints. Problems are: Problem set: 0 solved, 5 unsolved
At refinement iteration 13 (INCLUDED_ONLY) 0/450 variables, 37/352 constraints. Problems are: Problem set: 0 solved, 5 unsolved
At refinement iteration 14 (INCLUDED_ONLY) 0/450 variables, 5/357 constraints. Problems are: Problem set: 0 solved, 5 unsolved
At refinement iteration 15 (INCLUDED_ONLY) 0/450 variables, 0/357 constraints. Problems are: Problem set: 0 solved, 5 unsolved
At refinement iteration 16 (OVERLAPS) 5/455 variables, 5/362 constraints. Problems are: Problem set: 0 solved, 5 unsolved
At refinement iteration 17 (INCLUDED_ONLY) 0/455 variables, 2/364 constraints. Problems are: Problem set: 0 solved, 5 unsolved
At refinement iteration 18 (INCLUDED_ONLY) 0/455 variables, 0/364 constraints. Problems are: Problem set: 0 solved, 5 unsolved
At refinement iteration 19 (OVERLAPS) 0/455 variables, 0/364 constraints. Problems are: Problem set: 0 solved, 5 unsolved
No progress, stopping.
After SMT solving in domain Int declared 455/455 variables, and 364 constraints, problems are : Problem set: 0 solved, 5 unsolved in 3354 ms.
Refiners :[Positive P Invariants (semi-flows): 3/3 constraints, Generalized P Invariants (flows): 46/46 constraints, State Equation: 234/234 constraints, ReadFeed: 37/37 constraints, PredecessorRefiner: 5/5 constraints, Known Traps: 39/39 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 6360ms problems are : Problem set: 0 solved, 5 unsolved
Fused 5 Parikh solutions to 2 different solutions.
Parikh walk visited 0 properties in 1900 ms.
Support contains 3 out of 234 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 234/234 places, 221/221 transitions.
Applied a total of 0 rules in 4 ms. Remains 234 /234 variables (removed 0) and now considering 221/221 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 4 ms. Remains : 234/234 places, 221/221 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 234/234 places, 221/221 transitions.
Applied a total of 0 rules in 4 ms. Remains 234 /234 variables (removed 0) and now considering 221/221 (removed 0) transitions.
[2025-06-01 00:57:35] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-01 00:57:36] [INFO ] Implicit Places using invariants in 946 ms returned [20, 26, 46, 51, 72, 77, 98, 104, 125, 130, 131, 151, 156, 178, 184, 191, 225, 231]
[2025-06-01 00:57:36] [INFO ] Actually due to overlaps returned [191, 130]
Discarding 2 places :
Implicit Place search using SMT only with invariants took 948 ms to find 2 implicit places.
Starting structural reductions in REACHABILITY mode, iteration 1 : 232/234 places, 221/221 transitions.
Free-agglomeration rule (complex) applied 1 times.
Iterating global reduction 0 with 1 rules applied. Total rules applied 1 place count 232 transition count 220
Reduce places removed 1 places and 0 transitions.
Iterating post reduction 0 with 1 rules applied. Total rules applied 2 place count 231 transition count 220
Applied a total of 2 rules in 14 ms. Remains 231 /232 variables (removed 1) and now considering 220/221 (removed 1) transitions.
// Phase 1: matrix 220 rows 231 cols
[2025-06-01 00:57:36] [INFO ] Computed 47 invariants in 16 ms
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-01 00:57:36] [INFO ] Implicit Places using invariants in 754 ms returned [20, 26, 46, 51, 72, 77, 98, 104, 125, 130, 150, 155, 177, 183, 222, 228]
[2025-06-01 00:57:36] [INFO ] Actually due to overlaps returned [228, 222]
Discarding 2 places :
Implicit Place search using SMT only with invariants took 756 ms to find 2 implicit places.
Starting structural reductions in REACHABILITY mode, iteration 2 : 229/234 places, 220/221 transitions.
Free-agglomeration rule (complex) applied 1 times.
Iterating global reduction 0 with 1 rules applied. Total rules applied 1 place count 229 transition count 219
Reduce places removed 1 places and 0 transitions.
Iterating post reduction 0 with 1 rules applied. Total rules applied 2 place count 228 transition count 219
Applied a total of 2 rules in 13 ms. Remains 228 /229 variables (removed 1) and now considering 219/220 (removed 1) transitions.
// Phase 1: matrix 219 rows 228 cols
[2025-06-01 00:57:36] [INFO ] Computed 45 invariants in 13 ms
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-01 00:57:37] [INFO ] Implicit Places using invariants in 620 ms returned [20, 26, 46, 51, 72, 77, 98, 104, 125, 130, 150, 155, 177, 183]
[2025-06-01 00:57:37] [INFO ] Actually due to overlaps returned [26, 20]
Discarding 2 places :
Implicit Place search using SMT only with invariants took 621 ms to find 2 implicit places.
Starting structural reductions in REACHABILITY mode, iteration 3 : 226/234 places, 219/221 transitions.
Free-agglomeration rule (complex) applied 1 times.
Iterating global reduction 0 with 1 rules applied. Total rules applied 1 place count 226 transition count 218
Reduce places removed 1 places and 0 transitions.
Iterating post reduction 0 with 1 rules applied. Total rules applied 2 place count 225 transition count 218
Applied a total of 2 rules in 12 ms. Remains 225 /226 variables (removed 1) and now considering 218/219 (removed 1) transitions.
// Phase 1: matrix 218 rows 225 cols
[2025-06-01 00:57:37] [INFO ] Computed 43 invariants in 11 ms
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-01 00:57:38] [INFO ] Implicit Places using invariants in 540 ms returned [43, 48, 69, 74, 95, 101, 122, 127, 147, 152, 174, 180]
[2025-06-01 00:57:38] [INFO ] Actually due to overlaps returned [48, 43]
Discarding 2 places :
Implicit Place search using SMT only with invariants took 541 ms to find 2 implicit places.
Starting structural reductions in REACHABILITY mode, iteration 4 : 223/234 places, 218/221 transitions.
Free-agglomeration rule (complex) applied 1 times.
Iterating global reduction 0 with 1 rules applied. Total rules applied 1 place count 223 transition count 217
Reduce places removed 1 places and 0 transitions.
Iterating post reduction 0 with 1 rules applied. Total rules applied 2 place count 222 transition count 217
Applied a total of 2 rules in 9 ms. Remains 222 /223 variables (removed 1) and now considering 217/218 (removed 1) transitions.
// Phase 1: matrix 217 rows 222 cols
[2025-06-01 00:57:38] [INFO ] Computed 41 invariants in 15 ms
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-01 00:57:38] [INFO ] Implicit Places using invariants in 511 ms returned [66, 71, 92, 98, 119, 124, 144, 149, 171, 177]
[2025-06-01 00:57:38] [INFO ] Actually due to overlaps returned [71, 66]
Discarding 2 places :
Implicit Place search using SMT only with invariants took 513 ms to find 2 implicit places.
Starting structural reductions in REACHABILITY mode, iteration 5 : 220/234 places, 217/221 transitions.
Free-agglomeration rule (complex) applied 1 times.
Iterating global reduction 0 with 1 rules applied. Total rules applied 1 place count 220 transition count 216
Reduce places removed 1 places and 0 transitions.
Iterating post reduction 0 with 1 rules applied. Total rules applied 2 place count 219 transition count 216
Applied a total of 2 rules in 10 ms. Remains 219 /220 variables (removed 1) and now considering 216/217 (removed 1) transitions.
// Phase 1: matrix 216 rows 219 cols
[2025-06-01 00:57:38] [INFO ] Computed 39 invariants in 18 ms
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-01 00:57:39] [INFO ] Implicit Places using invariants in 406 ms returned [89, 95, 116, 121, 141, 146, 168, 174]
[2025-06-01 00:57:39] [INFO ] Actually due to overlaps returned [95, 89]
Discarding 2 places :
Implicit Place search using SMT only with invariants took 408 ms to find 2 implicit places.
Starting structural reductions in REACHABILITY mode, iteration 6 : 217/234 places, 216/221 transitions.
Free-agglomeration rule (complex) applied 1 times.
Iterating global reduction 0 with 1 rules applied. Total rules applied 1 place count 217 transition count 215
Reduce places removed 1 places and 0 transitions.
Iterating post reduction 0 with 1 rules applied. Total rules applied 2 place count 216 transition count 215
Applied a total of 2 rules in 9 ms. Remains 216 /217 variables (removed 1) and now considering 215/216 (removed 1) transitions.
// Phase 1: matrix 215 rows 216 cols
[2025-06-01 00:57:39] [INFO ] Computed 37 invariants in 10 ms
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-01 00:57:39] [INFO ] Implicit Places using invariants in 362 ms returned [113, 118, 138, 143, 165, 171]
[2025-06-01 00:57:39] [INFO ] Actually due to overlaps returned [118, 113]
Discarding 2 places :
Implicit Place search using SMT only with invariants took 363 ms to find 2 implicit places.
Starting structural reductions in REACHABILITY mode, iteration 7 : 214/234 places, 215/221 transitions.
Free-agglomeration rule (complex) applied 1 times.
Iterating global reduction 0 with 1 rules applied. Total rules applied 1 place count 214 transition count 214
Reduce places removed 1 places and 0 transitions.
Iterating post reduction 0 with 1 rules applied. Total rules applied 2 place count 213 transition count 214
Applied a total of 2 rules in 9 ms. Remains 213 /214 variables (removed 1) and now considering 214/215 (removed 1) transitions.
// Phase 1: matrix 214 rows 213 cols
[2025-06-01 00:57:39] [INFO ] Computed 35 invariants in 9 ms
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-01 00:57:39] [INFO ] Implicit Places using invariants in 321 ms returned [135, 140, 162, 168]
[2025-06-01 00:57:39] [INFO ] Actually due to overlaps returned [140, 135]
Discarding 2 places :
Implicit Place search using SMT only with invariants took 323 ms to find 2 implicit places.
Starting structural reductions in REACHABILITY mode, iteration 8 : 211/234 places, 214/221 transitions.
Free-agglomeration rule (complex) applied 1 times.
Iterating global reduction 0 with 1 rules applied. Total rules applied 1 place count 211 transition count 213
Reduce places removed 1 places and 0 transitions.
Iterating post reduction 0 with 1 rules applied. Total rules applied 2 place count 210 transition count 213
Applied a total of 2 rules in 10 ms. Remains 210 /211 variables (removed 1) and now considering 213/214 (removed 1) transitions.
// Phase 1: matrix 213 rows 210 cols
[2025-06-01 00:57:39] [INFO ] Computed 33 invariants in 10 ms
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-01 00:57:40] [INFO ] Implicit Places using invariants in 306 ms returned [159, 165]
Discarding 2 places :
Implicit Place search using SMT only with invariants took 315 ms to find 2 implicit places.
Starting structural reductions in REACHABILITY mode, iteration 9 : 208/234 places, 213/221 transitions.
Free-agglomeration rule (complex) applied 1 times.
Iterating global reduction 0 with 1 rules applied. Total rules applied 1 place count 208 transition count 212
Reduce places removed 1 places and 0 transitions.
Iterating post reduction 0 with 1 rules applied. Total rules applied 2 place count 207 transition count 212
Applied a total of 2 rules in 14 ms. Remains 207 /208 variables (removed 1) and now considering 212/213 (removed 1) transitions.
// Phase 1: matrix 212 rows 207 cols
[2025-06-01 00:57:40] [INFO ] Computed 31 invariants in 10 ms
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-01 00:57:40] [INFO ] Implicit Places using invariants in 292 ms returned []
[2025-06-01 00:57:40] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-01 00:57:40] [INFO ] State equation strengthened by 37 read => feed constraints.
[2025-06-01 00:57:42] [INFO ] Implicit Places using invariants and state equation in 1828 ms returned []
Implicit Place search using SMT with State Equation took 2125 ms to find 0 implicit places.
Starting structural reductions in REACHABILITY mode, iteration 10 : 207/234 places, 212/221 transitions.
Finished structural reductions in REACHABILITY mode , in 10 iterations and 7021 ms. Remains : 207/234 places, 212/221 transitions.
RANDOM walk for 40000 steps (5723 resets) in 121 ms. (327 steps per ms) remains 5/5 properties
BEST_FIRST walk for 40003 steps (3643 resets) in 71 ms. (555 steps per ms) remains 5/5 properties
BEST_FIRST walk for 40001 steps (3635 resets) in 68 ms. (579 steps per ms) remains 5/5 properties
BEST_FIRST walk for 40001 steps (3612 resets) in 64 ms. (615 steps per ms) remains 5/5 properties
BEST_FIRST walk for 40004 steps (3570 resets) in 62 ms. (634 steps per ms) remains 5/5 properties
BEST_FIRST walk for 40002 steps (3744 resets) in 91 ms. (434 steps per ms) remains 5/5 properties
Interrupted probabilistic random walk after 355426 steps, run timeout after 3001 ms. (steps per millisecond=118 ) properties seen :0 out of 5
Probabilistic random walk after 355426 steps, saw 177752 distinct states, run finished after 3001 ms. (steps per millisecond=118 ) properties seen :0
[2025-06-01 00:57:45] [INFO ] Invariant cache hit.
[2025-06-01 00:57:45] [INFO ] State equation strengthened by 37 read => feed constraints.
Starting Z3 with timeout 75.0 s and query timeout 7500.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/3 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 5 unsolved
At refinement iteration 1 (OVERLAPS) 130/133 variables, 7/7 constraints. Problems are: Problem set: 0 solved, 5 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 00:57:45] [INFO ] Deduced a trap composed of 3 places in 59 ms of which 3 ms to minimize.
At refinement iteration 2 (INCLUDED_ONLY) 0/133 variables, 1/8 constraints. Problems are: Problem set: 0 solved, 5 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/133 variables, 0/8 constraints. Problems are: Problem set: 0 solved, 5 unsolved
At refinement iteration 4 (OVERLAPS) 16/149 variables, 4/12 constraints. Problems are: Problem set: 0 solved, 5 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/149 variables, 0/12 constraints. Problems are: Problem set: 0 solved, 5 unsolved
At refinement iteration 6 (OVERLAPS) 53/202 variables, 18/30 constraints. Problems are: Problem set: 0 solved, 5 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/202 variables, 0/30 constraints. Problems are: Problem set: 0 solved, 5 unsolved
At refinement iteration 8 (OVERLAPS) 212/414 variables, 202/232 constraints. Problems are: Problem set: 0 solved, 5 unsolved
All remaining problems are real, not stopping.
At refinement iteration 9 (INCLUDED_ONLY) 0/414 variables, 37/269 constraints. Problems are: Problem set: 0 solved, 5 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/414 variables, 0/269 constraints. Problems are: Problem set: 0 solved, 5 unsolved
At refinement iteration 11 (OVERLAPS) 5/419 variables, 5/274 constraints. Problems are: Problem set: 0 solved, 5 unsolved
At refinement iteration 12 (INCLUDED_ONLY) 0/419 variables, 2/276 constraints. Problems are: Problem set: 0 solved, 5 unsolved
At refinement iteration 13 (INCLUDED_ONLY) 0/419 variables, 0/276 constraints. Problems are: Problem set: 0 solved, 5 unsolved
At refinement iteration 14 (OVERLAPS) 0/419 variables, 0/276 constraints. Problems are: Problem set: 0 solved, 5 unsolved
No progress, stopping.
After SMT solving in domain Real declared 419/419 variables, and 276 constraints, problems are : Problem set: 0 solved, 5 unsolved in 513 ms.
Refiners :[Positive P Invariants (semi-flows): 13/13 constraints, Generalized P Invariants (flows): 18/18 constraints, State Equation: 207/207 constraints, ReadFeed: 37/37 constraints, PredecessorRefiner: 5/5 constraints, Known Traps: 1/1 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 5 unsolved
Starting Z3 with timeout 75.0 s and query timeout 7500.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/3 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 5 unsolved
At refinement iteration 1 (OVERLAPS) 130/133 variables, 7/7 constraints. Problems are: Problem set: 0 solved, 5 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/133 variables, 1/8 constraints. Problems are: Problem set: 0 solved, 5 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 00:57:46] [INFO ] Deduced a trap composed of 78 places in 71 ms of which 15 ms to minimize.
At refinement iteration 3 (INCLUDED_ONLY) 0/133 variables, 1/9 constraints. Problems are: Problem set: 0 solved, 5 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/133 variables, 0/9 constraints. Problems are: Problem set: 0 solved, 5 unsolved
At refinement iteration 5 (OVERLAPS) 16/149 variables, 4/13 constraints. Problems are: Problem set: 0 solved, 5 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/149 variables, 0/13 constraints. Problems are: Problem set: 0 solved, 5 unsolved
At refinement iteration 7 (OVERLAPS) 53/202 variables, 18/31 constraints. Problems are: Problem set: 0 solved, 5 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 00:57:46] [INFO ] Deduced a trap composed of 4 places in 88 ms of which 6 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 00:57:46] [INFO ] Deduced a trap composed of 7 places in 82 ms of which 8 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 00:57:46] [INFO ] Deduced a trap composed of 7 places in 84 ms of which 8 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 00:57:46] [INFO ] Deduced a trap composed of 9 places in 87 ms of which 9 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 00:57:46] [INFO ] Deduced a trap composed of 10 places in 84 ms of which 9 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 00:57:46] [INFO ] Deduced a trap composed of 10 places in 89 ms of which 8 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 00:57:46] [INFO ] Deduced a trap composed of 13 places in 86 ms of which 10 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 00:57:46] [INFO ] Deduced a trap composed of 16 places in 100 ms of which 12 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 00:57:47] [INFO ] Deduced a trap composed of 16 places in 87 ms of which 12 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 00:57:47] [INFO ] Deduced a trap composed of 18 places in 91 ms of which 12 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 00:57:47] [INFO ] Deduced a trap composed of 19 places in 44 ms of which 4 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 00:57:47] [INFO ] Deduced a trap composed of 15 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 00:57:47] [INFO ] Deduced a trap composed of 19 places in 82 ms of which 13 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 00:57:47] [INFO ] Deduced a trap composed of 22 places in 87 ms of which 13 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 00:57:47] [INFO ] Deduced a trap composed of 22 places in 89 ms of which 14 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 00:57:47] [INFO ] Deduced a trap composed of 24 places in 86 ms of which 14 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 00:57:47] [INFO ] Deduced a trap composed of 25 places in 81 ms of which 13 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 00:57:47] [INFO ] Deduced a trap composed of 27 places in 82 ms of which 16 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 00:57:47] [INFO ] Deduced a trap composed of 28 places in 85 ms of which 16 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 00:57:48] [INFO ] Deduced a trap composed of 28 places in 87 ms of which 16 ms to minimize.
At refinement iteration 8 (INCLUDED_ONLY) 0/202 variables, 20/51 constraints. Problems are: Problem set: 0 solved, 5 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 00:57:48] [INFO ] Deduced a trap composed of 32 places in 88 ms of which 16 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 00:57:48] [INFO ] Deduced a trap composed of 41 places in 94 ms of which 25 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 00:57:48] [INFO ] Deduced a trap composed of 42 places in 98 ms of which 28 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 00:57:48] [INFO ] Deduced a trap composed of 43 places in 99 ms of which 30 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 00:57:48] [INFO ] Deduced a trap composed of 21 places in 78 ms of which 12 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 00:57:48] [INFO ] Deduced a trap composed of 46 places in 94 ms of which 24 ms to minimize.
At refinement iteration 9 (INCLUDED_ONLY) 0/202 variables, 6/57 constraints. Problems are: Problem set: 0 solved, 5 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/202 variables, 0/57 constraints. Problems are: Problem set: 0 solved, 5 unsolved
At refinement iteration 11 (OVERLAPS) 212/414 variables, 202/259 constraints. Problems are: Problem set: 0 solved, 5 unsolved
At refinement iteration 12 (INCLUDED_ONLY) 0/414 variables, 37/296 constraints. Problems are: Problem set: 0 solved, 5 unsolved
At refinement iteration 13 (INCLUDED_ONLY) 0/414 variables, 5/301 constraints. Problems are: Problem set: 0 solved, 5 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 00:57:49] [INFO ] Deduced a trap along path composed of 4 places in 30 ms of which 0 ms to minimize.
At refinement iteration 14 (INCLUDED_ONLY) 0/414 variables, 1/302 constraints. Problems are: Problem set: 0 solved, 5 unsolved
At refinement iteration 15 (INCLUDED_ONLY) 0/414 variables, 0/302 constraints. Problems are: Problem set: 0 solved, 5 unsolved
At refinement iteration 16 (OVERLAPS) 5/419 variables, 5/307 constraints. Problems are: Problem set: 0 solved, 5 unsolved
At refinement iteration 17 (INCLUDED_ONLY) 0/419 variables, 2/309 constraints. Problems are: Problem set: 0 solved, 5 unsolved
At refinement iteration 18 (INCLUDED_ONLY) 0/419 variables, 0/309 constraints. Problems are: Problem set: 0 solved, 5 unsolved
At refinement iteration 19 (OVERLAPS) 0/419 variables, 0/309 constraints. Problems are: Problem set: 0 solved, 5 unsolved
No progress, stopping.
After SMT solving in domain Int declared 419/419 variables, and 309 constraints, problems are : Problem set: 0 solved, 5 unsolved in 3827 ms.
Refiners :[Positive P Invariants (semi-flows): 13/13 constraints, Generalized P Invariants (flows): 18/18 constraints, State Equation: 207/207 constraints, ReadFeed: 37/37 constraints, PredecessorRefiner: 5/5 constraints, Known Traps: 28/28 constraints, Known Traps Along Path: 1/1 constraints]
After SMT, in 4344ms problems are : Problem set: 0 solved, 5 unsolved
Fused 5 Parikh solutions to 2 different solutions.
Parikh walk visited 0 properties in 776 ms.
Support contains 3 out of 207 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 207/207 places, 212/212 transitions.
Applied a total of 0 rules in 3 ms. Remains 207 /207 variables (removed 0) and now considering 212/212 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 3 ms. Remains : 207/207 places, 212/212 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 207/207 places, 212/212 transitions.
Applied a total of 0 rules in 3 ms. Remains 207 /207 variables (removed 0) and now considering 212/212 (removed 0) transitions.
[2025-06-01 00:57:50] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-01 00:57:50] [INFO ] Implicit Places using invariants in 282 ms returned []
[2025-06-01 00:57:50] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-01 00:57:51] [INFO ] State equation strengthened by 37 read => feed constraints.
[2025-06-01 00:57:52] [INFO ] Implicit Places using invariants and state equation in 1823 ms returned []
Implicit Place search using SMT with State Equation took 2107 ms to find 0 implicit places.
Starting Z3 with timeout 200.0 s and query timeout 20000.0 ms
[2025-06-01 00:57:52] [INFO ] Redundant transitions in 1 ms returned []
Running 211 sub problems to find dead transitions.
[2025-06-01 00:57:52] [INFO ] Invariant cache hit.
[2025-06-01 00:57:52] [INFO ] State equation strengthened by 37 read => feed constraints.
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/206 variables, 2/2 constraints. Problems are: Problem set: 0 solved, 211 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/206 variables, 18/20 constraints. Problems are: Problem set: 0 solved, 211 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/206 variables, 0/20 constraints. Problems are: Problem set: 0 solved, 211 unsolved
At refinement iteration 3 (OVERLAPS) 1/207 variables, 11/31 constraints. Problems are: Problem set: 0 solved, 211 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/207 variables, 0/31 constraints. Problems are: Problem set: 0 solved, 211 unsolved
At refinement iteration 5 (OVERLAPS) 212/419 variables, 207/238 constraints. Problems are: Problem set: 0 solved, 211 unsolved
All remaining problems are real, not stopping.
At refinement iteration 6 (INCLUDED_ONLY) 0/419 variables, 37/275 constraints. Problems are: Problem set: 0 solved, 211 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/419 variables, 0/275 constraints. Problems are: Problem set: 0 solved, 211 unsolved
At refinement iteration 8 (OVERLAPS) 0/419 variables, 0/275 constraints. Problems are: Problem set: 0 solved, 211 unsolved
No progress, stopping.
After SMT solving in domain Real declared 419/419 variables, and 275 constraints, problems are : Problem set: 0 solved, 211 unsolved in 13986 ms.
Refiners :[Positive P Invariants (semi-flows): 13/13 constraints, Generalized P Invariants (flows): 18/18 constraints, State Equation: 207/207 constraints, ReadFeed: 37/37 constraints, PredecessorRefiner: 211/211 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 211 unsolved
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/206 variables, 2/2 constraints. Problems are: Problem set: 0 solved, 211 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/206 variables, 18/20 constraints. Problems are: Problem set: 0 solved, 211 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/206 variables, 0/20 constraints. Problems are: Problem set: 0 solved, 211 unsolved
At refinement iteration 3 (OVERLAPS) 1/207 variables, 11/31 constraints. Problems are: Problem set: 0 solved, 211 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/207 variables, 0/31 constraints. Problems are: Problem set: 0 solved, 211 unsolved
At refinement iteration 5 (OVERLAPS) 212/419 variables, 207/238 constraints. Problems are: Problem set: 0 solved, 211 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/419 variables, 37/275 constraints. Problems are: Problem set: 0 solved, 211 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/419 variables, 211/486 constraints. Problems are: Problem set: 0 solved, 211 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 00:58:17] [INFO ] Deduced a trap composed of 29 places in 41 ms of which 3 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 00:58:18] [INFO ] Deduced a trap composed of 43 places in 105 ms of which 15 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 00:58:20] [INFO ] Deduced a trap composed of 3 places in 76 ms of which 4 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 00:58:21] [INFO ] Deduced a trap composed of 6 places in 60 ms of which 5 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 00:58:22] [INFO ] Deduced a trap composed of 13 places in 91 ms of which 10 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 00:58:23] [INFO ] Deduced a trap composed of 17 places in 84 ms of which 12 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 00:58:23] [INFO ] Deduced a trap composed of 18 places in 81 ms of which 12 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 00:58:23] [INFO ] Deduced a trap composed of 21 places in 84 ms of which 14 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 00:58:23] [INFO ] Deduced a trap composed of 21 places in 88 ms of which 13 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 00:58:23] [INFO ] Deduced a trap composed of 22 places in 93 ms of which 14 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 00:58:23] [INFO ] Deduced a trap composed of 25 places in 83 ms of which 13 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 00:58:23] [INFO ] Deduced a trap composed of 28 places in 84 ms of which 16 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 00:58:24] [INFO ] Deduced a trap composed of 20 places in 82 ms of which 12 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 00:58:24] [INFO ] Deduced a trap composed of 38 places in 97 ms of which 24 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 00:58:24] [INFO ] Deduced a trap composed of 31 places in 29 ms of which 2 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 00:58:24] [INFO ] Deduced a trap composed of 32 places in 39 ms of which 2 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 00:58:24] [INFO ] Deduced a trap composed of 62 places in 101 ms of which 31 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 00:58:25] [INFO ] Deduced a trap composed of 62 places in 110 ms of which 35 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 00:58:25] [INFO ] Deduced a trap composed of 63 places in 95 ms of which 25 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 00:58:25] [INFO ] Deduced a trap composed of 63 places in 90 ms of which 27 ms to minimize.
At refinement iteration 8 (INCLUDED_ONLY) 0/419 variables, 20/506 constraints. Problems are: Problem set: 0 solved, 211 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 00:58:30] [INFO ] Deduced a trap composed of 61 places in 93 ms of which 21 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 00:58:31] [INFO ] Deduced a trap composed of 4 places in 45 ms of which 2 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 00:58:31] [INFO ] Deduced a trap composed of 64 places in 95 ms of which 18 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 00:58:31] [INFO ] Deduced a trap composed of 60 places in 92 ms of which 20 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 00:58:31] [INFO ] Deduced a trap composed of 15 places in 49 ms of which 3 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 00:58:32] [INFO ] Deduced a trap composed of 22 places in 90 ms of which 12 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 00:58:32] [INFO ] Deduced a trap composed of 48 places in 94 ms of which 20 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 00:58:32] [INFO ] Deduced a trap composed of 48 places in 88 ms of which 20 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 00:58:32] [INFO ] Deduced a trap composed of 44 places in 88 ms of which 17 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 00:58:34] [INFO ] Deduced a trap composed of 53 places in 87 ms of which 17 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 00:58:34] [INFO ] Deduced a trap composed of 57 places in 86 ms of which 16 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 00:58:34] [INFO ] Deduced a trap composed of 57 places in 87 ms of which 17 ms to minimize.
At refinement iteration 9 (INCLUDED_ONLY) 0/419 variables, 12/518 constraints. Problems are: Problem set: 0 solved, 211 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 419/419 variables, and 518 constraints, problems are : Problem set: 0 solved, 211 unsolved in 30024 ms.
Refiners :[Positive P Invariants (semi-flows): 13/13 constraints, Generalized P Invariants (flows): 18/18 constraints, State Equation: 207/207 constraints, ReadFeed: 37/37 constraints, PredecessorRefiner: 211/211 constraints, Known Traps: 32/32 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 44055ms problems are : Problem set: 0 solved, 211 unsolved
Search for dead transitions found 0 dead transitions in 44056ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 46174 ms. Remains : 207/207 places, 212/212 transitions.
Attempting over-approximation, by ignoring read arcs.
Performed 17 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 0 with 17 Pre rules applied. Total rules applied 0 place count 207 transition count 195
Deduced a syphon composed of 17 places in 1 ms
Reduce places removed 17 places and 0 transitions.
Iterating global reduction 0 with 34 rules applied. Total rules applied 34 place count 190 transition count 195
Discarding 7 places :
Symmetric choice reduction at 0 with 7 rule applications. Total rules 41 place count 183 transition count 188
Iterating global reduction 0 with 7 rules applied. Total rules applied 48 place count 183 transition count 188
Performed 1 Post agglomeration using F-continuation condition.Transition count delta: 1
Deduced a syphon composed of 1 places in 0 ms
Reduce places removed 1 places and 0 transitions.
Iterating global reduction 0 with 2 rules applied. Total rules applied 50 place count 182 transition count 187
Free-agglomeration rule applied 1 times.
Iterating global reduction 0 with 1 rules applied. Total rules applied 51 place count 182 transition count 186
Reduce places removed 1 places and 0 transitions.
Iterating post reduction 0 with 1 rules applied. Total rules applied 52 place count 181 transition count 186
Free-agglomeration rule (complex) applied 2 times.
Iterating global reduction 1 with 2 rules applied. Total rules applied 54 place count 181 transition count 184
Reduce places removed 2 places and 0 transitions.
Iterating post reduction 1 with 2 rules applied. Total rules applied 56 place count 179 transition count 184
Applied a total of 56 rules in 14 ms. Remains 179 /207 variables (removed 28) and now considering 184/212 (removed 28) transitions.
Running SMT prover for 5 properties.
// Phase 1: matrix 184 rows 179 cols
[2025-06-01 00:58:36] [INFO ] Computed 31 invariants in 16 ms
Starting Z3 with timeout 450.0 s and query timeout 45000.0 ms
[2025-06-01 00:58:36] [INFO ] [Real]Absence check using 4 positive place invariants in 1 ms returned sat
[2025-06-01 00:58:36] [INFO ] [Real]Absence check using 4 positive and 27 generalized place invariants in 5 ms returned sat
[2025-06-01 00:58:37] [INFO ] After 171ms SMT Verify possible using all constraints in real domain returned unsat :0 sat :0 real:5
Starting Z3 with timeout 450.0 s and query timeout 45000.0 ms
[2025-06-01 00:58:37] [INFO ] [Nat]Absence check using 4 positive place invariants in 1 ms returned sat
[2025-06-01 00:58:37] [INFO ] [Nat]Absence check using 4 positive and 27 generalized place invariants in 5 ms returned sat
[2025-06-01 00:58:37] [INFO ] After 165ms SMT Verify possible using state equation in natural domain returned unsat :0 sat :5
[2025-06-01 00:58:37] [INFO ] State equation strengthened by 2 read => feed constraints.
[2025-06-01 00:58:37] [INFO ] After 88ms SMT Verify possible using 2 Read/Feed constraints in natural domain returned unsat :0 sat :5
TRAPS : Iteration 0
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 00:58:37] [INFO ] Deduced a trap composed of 19 places in 81 ms of which 11 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 00:58:37] [INFO ] Deduced a trap composed of 21 places in 81 ms of which 12 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 00:58:37] [INFO ] Deduced a trap composed of 23 places in 80 ms of which 12 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 00:58:37] [INFO ] Deduced a trap composed of 13 places in 80 ms of which 10 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 00:58:37] [INFO ] Deduced a trap composed of 23 places in 76 ms of which 11 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 00:58:37] [INFO ] Deduced a trap composed of 24 places in 85 ms of which 12 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 00:58:37] [INFO ] Deduced a trap composed of 25 places in 82 ms of which 12 ms to minimize.
[2025-06-01 00:58:37] [INFO ] Trap strengthening (SAT) tested/added 8/7 trap constraints in 640 ms
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 00:58:38] [INFO ] Deduced a trap composed of 15 places in 76 ms of which 10 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 00:58:38] [INFO ] Deduced a trap composed of 40 places in 122 ms of which 48 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 00:58:38] [INFO ] Deduced a trap composed of 22 places in 80 ms of which 12 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 00:58:38] [INFO ] Deduced a trap composed of 42 places in 96 ms of which 25 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 00:58:38] [INFO ] Deduced a trap composed of 43 places in 90 ms of which 27 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 00:58:38] [INFO ] Deduced a trap composed of 22 places in 79 ms of which 13 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 00:58:38] [INFO ] Deduced a trap composed of 41 places in 102 ms of which 30 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 00:58:38] [INFO ] Deduced a trap composed of 44 places in 103 ms of which 35 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 00:58:38] [INFO ] Deduced a trap composed of 45 places in 90 ms of which 28 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 00:58:39] [INFO ] Deduced a trap composed of 46 places in 89 ms of which 27 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 00:58:39] [INFO ] Deduced a trap composed of 47 places in 111 ms of which 43 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 00:58:39] [INFO ] Deduced a trap composed of 46 places in 111 ms of which 45 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 00:58:39] [INFO ] Deduced a trap composed of 47 places in 95 ms of which 28 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 00:58:39] [INFO ] Deduced a trap composed of 47 places in 93 ms of which 27 ms to minimize.
[2025-06-01 00:58:39] [INFO ] Trap strengthening (SAT) tested/added 15/14 trap constraints in 1492 ms
TRAPS : Iteration 1
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 00:58:39] [INFO ] Deduced a trap composed of 50 places in 166 ms of which 96 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 00:58:39] [INFO ] Deduced a trap composed of 51 places in 111 ms of which 39 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 00:58:39] [INFO ] Deduced a trap composed of 51 places in 117 ms of which 49 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 00:58:40] [INFO ] Deduced a trap composed of 50 places in 125 ms of which 57 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 00:58:40] [INFO ] Deduced a trap composed of 51 places in 97 ms of which 39 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 00:58:40] [INFO ] Deduced a trap composed of 54 places in 103 ms of which 32 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 00:58:40] [INFO ] Deduced a trap composed of 55 places in 111 ms of which 42 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 00:58:40] [INFO ] Deduced a trap composed of 55 places in 88 ms of which 27 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 00:58:40] [INFO ] Deduced a trap composed of 55 places in 103 ms of which 31 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 00:58:40] [INFO ] Deduced a trap composed of 55 places in 119 ms of which 48 ms to minimize.
[2025-06-01 00:58:40] [INFO ] Trap strengthening (SAT) tested/added 11/10 trap constraints in 1341 ms
TRAPS : Iteration 2
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 00:58:41] [INFO ] Deduced a trap composed of 22 places in 82 ms of which 12 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 00:58:41] [INFO ] Deduced a trap composed of 48 places in 106 ms of which 31 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 00:58:41] [INFO ] Deduced a trap composed of 49 places in 103 ms of which 26 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 00:58:41] [INFO ] Deduced a trap composed of 50 places in 121 ms of which 57 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 00:58:41] [INFO ] Deduced a trap composed of 51 places in 103 ms of which 33 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 00:58:41] [INFO ] Deduced a trap composed of 52 places in 133 ms of which 61 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 00:58:41] [INFO ] Deduced a trap composed of 53 places in 96 ms of which 30 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 00:58:42] [INFO ] Deduced a trap composed of 50 places in 117 ms of which 47 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 00:58:42] [INFO ] Deduced a trap composed of 51 places in 101 ms of which 36 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 00:58:42] [INFO ] Deduced a trap composed of 51 places in 115 ms of which 48 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 00:58:42] [INFO ] Deduced a trap composed of 52 places in 96 ms of which 28 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 00:58:42] [INFO ] Deduced a trap composed of 51 places in 107 ms of which 38 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 00:58:42] [INFO ] Deduced a trap composed of 52 places in 84 ms of which 18 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 00:58:42] [INFO ] Deduced a trap composed of 53 places in 109 ms of which 46 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 00:58:42] [INFO ] Deduced a trap composed of 54 places in 87 ms of which 21 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 00:58:42] [INFO ] Deduced a trap composed of 51 places in 88 ms of which 27 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 00:58:43] [INFO ] Deduced a trap composed of 54 places in 103 ms of which 36 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 00:58:43] [INFO ] Deduced a trap composed of 55 places in 87 ms of which 22 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 00:58:43] [INFO ] Deduced a trap composed of 10 places in 71 ms of which 8 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 00:58:43] [INFO ] Deduced a trap composed of 50 places in 88 ms of which 22 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 00:58:43] [INFO ] Deduced a trap composed of 53 places in 88 ms of which 20 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 00:58:43] [INFO ] Deduced a trap composed of 54 places in 85 ms of which 23 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 00:58:43] [INFO ] Deduced a trap composed of 52 places in 93 ms of which 21 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 00:58:43] [INFO ] Deduced a trap composed of 55 places in 89 ms of which 24 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 00:58:43] [INFO ] Deduced a trap composed of 56 places in 88 ms of which 22 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 00:58:43] [INFO ] Deduced a trap composed of 53 places in 87 ms of which 20 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 00:58:43] [INFO ] Deduced a trap composed of 56 places in 87 ms of which 24 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 00:58:44] [INFO ] Deduced a trap composed of 57 places in 78 ms of which 17 ms to minimize.
[2025-06-01 00:58:44] [INFO ] Trap strengthening (SAT) tested/added 29/28 trap constraints in 3004 ms
TRAPS : Iteration 3
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 00:58:44] [INFO ] Deduced a trap composed of 19 places in 42 ms of which 4 ms to minimize.
[2025-06-01 00:58:44] [INFO ] Trap strengthening (SAT) tested/added 2/1 trap constraints in 55 ms
TRAPS : Iteration 4
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 00:58:44] [INFO ] Deduced a trap composed of 47 places in 113 ms of which 45 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 00:58:44] [INFO ] Deduced a trap composed of 47 places in 106 ms of which 42 ms to minimize.
[2025-06-01 00:58:44] [INFO ] Trap strengthening (SAT) tested/added 3/2 trap constraints in 256 ms
TRAPS : Iteration 5
[2025-06-01 00:58:45] [INFO ] After 7913ms SMT Verify possible using trap constraints in natural domain returned unsat :0 sat :5
[2025-06-01 00:58:45] [INFO ] After 8294ms SMT Verify possible using all constraints in natural domain returned unsat :0 sat :5
Over-approximation ignoring read arcs solved 0 properties in 8499 ms.
Found 1 invariant AP formulas.
Knowledge obtained : [(AND p1 p0), (X p0), (X (X (NOT (AND (NOT p0) (NOT p1))))), (X (X (NOT (AND p0 (NOT p1))))), (X (X (NOT (AND (NOT p0) p1)))), (X (X (AND p0 p1))), (X (X p1)), (X (X p0)), (G (OR p1 p0))]
False Knowledge obtained : []
Knowledge based reduction with 9 factoid took 108 ms. Reduced automaton from 6 states, 11 edges and 2 AP (stutter sensitive) to 6 states, 10 edges and 2 AP (stutter sensitive).
Stuttering acceptance computed with spot in 181 ms :[true, (NOT p1), (NOT p0), (AND (NOT p1) (NOT p0)), (AND (NOT p1) (NOT p0)), (AND (NOT p1) (NOT p0))]
Stuttering acceptance computed with spot in 198 ms :[true, (NOT p1), (NOT p0), (AND (NOT p1) (NOT p0)), (AND (NOT p1) (NOT p0)), (AND (NOT p1) (NOT p0))]
Support contains 3 out of 276 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 276/276 places, 263/263 transitions.
Applied a total of 0 rules in 6 ms. Remains 276 /276 variables (removed 0) and now considering 263/263 (removed 0) transitions.
// Phase 1: matrix 263 rows 276 cols
[2025-06-01 00:58:45] [INFO ] Computed 49 invariants in 11 ms
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-01 00:58:45] [INFO ] Implicit Places using invariants in 140 ms returned []
[2025-06-01 00:58:45] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-01 00:58:46] [INFO ] State equation strengthened by 18 read => feed constraints.
[2025-06-01 00:58:47] [INFO ] Implicit Places using invariants and state equation in 1656 ms returned []
Implicit Place search using SMT with State Equation took 1798 ms to find 0 implicit places.
Running 262 sub problems to find dead transitions.
[2025-06-01 00:58:47] [INFO ] Invariant cache hit.
[2025-06-01 00:58:47] [INFO ] State equation strengthened by 18 read => feed constraints.
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/275 variables, 2/2 constraints. Problems are: Problem set: 0 solved, 262 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/275 variables, 47/49 constraints. Problems are: Problem set: 0 solved, 262 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/275 variables, 0/49 constraints. Problems are: Problem set: 0 solved, 262 unsolved
At refinement iteration 3 (OVERLAPS) 263/538 variables, 275/324 constraints. Problems are: Problem set: 0 solved, 262 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/538 variables, 18/342 constraints. Problems are: Problem set: 0 solved, 262 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/538 variables, 0/342 constraints. Problems are: Problem set: 0 solved, 262 unsolved
At refinement iteration 6 (OVERLAPS) 1/539 variables, 1/343 constraints. Problems are: Problem set: 0 solved, 262 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 00:59:11] [INFO ] Deduced a trap composed of 21 places in 56 ms of which 4 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 00:59:11] [INFO ] Deduced a trap composed of 6 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 00:59:11] [INFO ] Deduced a trap composed of 10 places in 69 ms of which 7 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 00:59:12] [INFO ] Deduced a trap composed of 35 places in 48 ms of which 3 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 00:59:12] [INFO ] Deduced a trap composed of 39 places in 48 ms of which 2 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 00:59:12] [INFO ] Deduced a trap composed of 31 places in 47 ms of which 2 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 00:59:13] [INFO ] Deduced a trap composed of 37 places in 49 ms of which 4 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 00:59:14] [INFO ] Deduced a trap composed of 10 places in 77 ms of which 7 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 00:59:16] [INFO ] Deduced a trap composed of 35 places in 44 ms of which 2 ms to minimize.
Solver is answering 'unknown', stopping.
After SMT solving in domain Real declared 539/539 variables, and 352 constraints, problems are : Problem set: 0 solved, 262 unsolved in 30012 ms.
Refiners :[Positive P Invariants (semi-flows): 2/2 constraints, Generalized P Invariants (flows): 47/47 constraints, State Equation: 276/276 constraints, ReadFeed: 18/18 constraints, PredecessorRefiner: 262/262 constraints, Known Traps: 9/9 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 262 unsolved
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/275 variables, 2/2 constraints. Problems are: Problem set: 0 solved, 262 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/275 variables, 47/49 constraints. Problems are: Problem set: 0 solved, 262 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/275 variables, 0/49 constraints. Problems are: Problem set: 0 solved, 262 unsolved
At refinement iteration 3 (OVERLAPS) 263/538 variables, 275/324 constraints. Problems are: Problem set: 0 solved, 262 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/538 variables, 18/342 constraints. Problems are: Problem set: 0 solved, 262 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/538 variables, 259/601 constraints. Problems are: Problem set: 0 solved, 262 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/538 variables, 0/601 constraints. Problems are: Problem set: 0 solved, 262 unsolved
At refinement iteration 7 (OVERLAPS) 1/539 variables, 1/602 constraints. Problems are: Problem set: 0 solved, 262 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 539/539 variables, and 605 constraints, problems are : Problem set: 0 solved, 262 unsolved in 30010 ms.
Refiners :[Positive P Invariants (semi-flows): 2/2 constraints, Generalized P Invariants (flows): 47/47 constraints, State Equation: 276/276 constraints, ReadFeed: 18/18 constraints, PredecessorRefiner: 262/262 constraints, Known Traps: 0/9 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 60046ms problems are : Problem set: 0 solved, 262 unsolved
Search for dead transitions found 0 dead transitions in 60047ms
Finished structural reductions in LTL mode , in 1 iterations and 61852 ms. Remains : 276/276 places, 263/263 transitions.
Computed a total of 0 stabilizing places and 0 stable transitions
Graph (complete) has 849 edges and 276 vertex of which 275 are kept as prefixes of interest. Removing 1 places using SCC suffix rule.0 ms
Computed a total of 0 stabilizing places and 0 stable transitions
Knowledge obtained : [(AND p1 p0), (X (X p0)), (X (X p1)), (X (X (AND p1 p0)))]
False Knowledge obtained : []
Knowledge based reduction with 4 factoid took 67 ms. Reduced automaton from 6 states, 10 edges and 2 AP (stutter sensitive) to 6 states, 10 edges and 2 AP (stutter sensitive).
Stuttering acceptance computed with spot in 169 ms :[true, (NOT p1), (NOT p0), (AND (NOT p1) (NOT p0)), (AND (NOT p1) (NOT p0)), (AND (NOT p1) (NOT p0))]
RANDOM walk for 40000 steps (5477 resets) in 89 ms. (444 steps per ms) remains 3/3 properties
BEST_FIRST walk for 40001 steps (3241 resets) in 51 ms. (769 steps per ms) remains 3/3 properties
BEST_FIRST walk for 40003 steps (3183 resets) in 52 ms. (754 steps per ms) remains 3/3 properties
BEST_FIRST walk for 40001 steps (3266 resets) in 50 ms. (784 steps per ms) remains 3/3 properties
Interrupted probabilistic random walk after 413048 steps, run timeout after 3001 ms. (steps per millisecond=137 ) properties seen :0 out of 3
Probabilistic random walk after 413048 steps, saw 206597 distinct states, run finished after 3001 ms. (steps per millisecond=137 ) properties seen :0
[2025-06-01 00:59:51] [INFO ] Invariant cache hit.
[2025-06-01 00:59:51] [INFO ] State equation strengthened by 18 read => feed constraints.
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, 3 unsolved
At refinement iteration 1 (OVERLAPS) 113/116 variables, 9/9 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/116 variables, 0/9 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 3 (OVERLAPS) 114/230 variables, 32/41 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/230 variables, 0/41 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 5 (OVERLAPS) 10/240 variables, 4/45 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/240 variables, 0/45 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 7 (OVERLAPS) 253/493 variables, 240/285 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/493 variables, 16/301 constraints. Problems are: Problem set: 0 solved, 3 unsolved
All remaining problems are real, not stopping.
At refinement iteration 9 (INCLUDED_ONLY) 0/493 variables, 0/301 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 10 (OVERLAPS) 40/533 variables, 31/332 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/533 variables, 2/334 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 12 (INCLUDED_ONLY) 0/533 variables, 1/335 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 13 (INCLUDED_ONLY) 0/533 variables, 0/335 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 14 (OVERLAPS) 2/535 variables, 2/337 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 15 (INCLUDED_ONLY) 0/535 variables, 2/339 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 16 (INCLUDED_ONLY) 0/535 variables, 0/339 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 17 (OVERLAPS) 4/539 variables, 3/342 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 18 (INCLUDED_ONLY) 0/539 variables, 1/343 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 19 (INCLUDED_ONLY) 0/539 variables, 0/343 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 20 (OVERLAPS) 0/539 variables, 0/343 constraints. Problems are: Problem set: 0 solved, 3 unsolved
No progress, stopping.
After SMT solving in domain Real declared 539/539 variables, and 343 constraints, problems are : Problem set: 0 solved, 3 unsolved in 1199 ms.
Refiners :[Positive P Invariants (semi-flows): 2/2 constraints, Generalized P Invariants (flows): 47/47 constraints, State Equation: 276/276 constraints, ReadFeed: 18/18 constraints, PredecessorRefiner: 3/3 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 3 unsolved
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/3 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 1 (OVERLAPS) 113/116 variables, 9/9 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/116 variables, 0/9 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 3 (OVERLAPS) 114/230 variables, 32/41 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/230 variables, 0/41 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 5 (OVERLAPS) 10/240 variables, 4/45 constraints. Problems are: Problem set: 0 solved, 3 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 00:59:52] [INFO ] Deduced a trap composed of 6 places in 55 ms of which 4 ms to minimize.
At refinement iteration 6 (INCLUDED_ONLY) 0/240 variables, 1/46 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/240 variables, 0/46 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 8 (OVERLAPS) 253/493 variables, 240/286 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/493 variables, 16/302 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/493 variables, 3/305 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/493 variables, 0/305 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 12 (OVERLAPS) 40/533 variables, 31/336 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 13 (INCLUDED_ONLY) 0/533 variables, 2/338 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 14 (INCLUDED_ONLY) 0/533 variables, 1/339 constraints. Problems are: Problem set: 0 solved, 3 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 00:59:53] [INFO ] Deduced a trap along path composed of 2 places in 50 ms of which 0 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 00:59:53] [INFO ] Deduced a trap along path composed of 8 places in 41 ms of which 1 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 00:59:53] [INFO ] Deduced a trap along path composed of 11 places in 36 ms of which 0 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 00:59:54] [INFO ] Deduced a trap along path composed of 8 places in 43 ms of which 1 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 00:59:54] [INFO ] Deduced a trap along path composed of 8 places in 42 ms of which 0 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 00:59:54] [INFO ] Deduced a trap along path composed of 8 places in 35 ms of which 1 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 00:59:54] [INFO ] Deduced a trap along path composed of 11 places in 44 ms of which 1 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 00:59:54] [INFO ] Deduced a trap along path composed of 2 places in 35 ms of which 1 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 00:59:54] [INFO ] Deduced a trap along path composed of 11 places in 45 ms of which 1 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 00:59:54] [INFO ] Deduced a trap along path composed of 9 places in 29 ms of which 5 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 00:59:54] [INFO ] Deduced a trap along path composed of 8 places in 27 ms of which 0 ms to minimize.
At refinement iteration 15 (INCLUDED_ONLY) 0/533 variables, 11/350 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 16 (INCLUDED_ONLY) 0/533 variables, 0/350 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 17 (OVERLAPS) 2/535 variables, 2/352 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 18 (INCLUDED_ONLY) 0/535 variables, 2/354 constraints. Problems are: Problem set: 0 solved, 3 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 00:59:55] [INFO ] Deduced a trap along path composed of 2 places in 19 ms of which 1 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 00:59:55] [INFO ] Deduced a trap along path composed of 2 places in 23 ms of which 1 ms to minimize.
At refinement iteration 19 (INCLUDED_ONLY) 0/535 variables, 0/354 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 20 (OVERLAPS) 4/539 variables, 3/357 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 21 (INCLUDED_ONLY) 0/539 variables, 1/358 constraints. Problems are: Problem set: 0 solved, 3 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 00:59:56] [INFO ] Deduced a trap composed of 23 places in 65 ms of which 7 ms to minimize.
At refinement iteration 22 (INCLUDED_ONLY) 0/539 variables, 1/359 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 23 (INCLUDED_ONLY) 0/539 variables, 2/361 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 24 (INCLUDED_ONLY) 0/539 variables, 0/361 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 25 (OVERLAPS) 0/539 variables, 0/361 constraints. Problems are: Problem set: 0 solved, 3 unsolved
No progress, stopping.
After SMT solving in domain Int declared 539/539 variables, and 361 constraints, problems are : Problem set: 0 solved, 3 unsolved in 4525 ms.
Refiners :[Positive P Invariants (semi-flows): 2/2 constraints, Generalized P Invariants (flows): 47/47 constraints, State Equation: 276/276 constraints, ReadFeed: 18/18 constraints, PredecessorRefiner: 3/3 constraints, Known Traps: 2/2 constraints, Known Traps Along Path: 13/13 constraints]
After SMT, in 5730ms problems are : Problem set: 0 solved, 3 unsolved
Fused 3 Parikh solutions to 2 different solutions.
Parikh walk visited 0 properties in 45295 ms.
Support contains 3 out of 276 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 276/276 places, 263/263 transitions.
Graph (complete) has 809 edges and 276 vertex of which 275 are kept as prefixes of interest. Removing 1 places using SCC suffix rule.1 ms
Discarding 1 places :
Also discarding 0 output 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 2 place count 275 transition count 262
Free-agglomeration rule applied 1 times.
Iterating global reduction 1 with 1 rules applied. Total rules applied 3 place count 275 transition count 261
Reduce places removed 1 places and 0 transitions.
Iterating post reduction 1 with 1 rules applied. Total rules applied 4 place count 274 transition count 261
Free-agglomeration rule (complex) applied 40 times.
Iterating global reduction 2 with 40 rules applied. Total rules applied 44 place count 274 transition count 221
Reduce places removed 40 places and 0 transitions.
Iterating post reduction 2 with 40 rules applied. Total rules applied 84 place count 234 transition count 221
Partial Free-agglomeration rule applied 39 times.
Drop transitions (Partial Free agglomeration) removed 39 transitions
Iterating global reduction 3 with 39 rules applied. Total rules applied 123 place count 234 transition count 221
Applied a total of 123 rules in 16 ms. Remains 234 /276 variables (removed 42) and now considering 221/263 (removed 42) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 17 ms. Remains : 234/276 places, 221/263 transitions.
RANDOM walk for 40000 steps (5068 resets) in 84 ms. (470 steps per ms) remains 3/3 properties
BEST_FIRST walk for 40001 steps (3341 resets) in 77 ms. (512 steps per ms) remains 3/3 properties
BEST_FIRST walk for 40002 steps (3342 resets) in 97 ms. (408 steps per ms) remains 3/3 properties
BEST_FIRST walk for 40001 steps (3339 resets) in 71 ms. (555 steps per ms) remains 3/3 properties
Interrupted probabilistic random walk after 459357 steps, run timeout after 3001 ms. (steps per millisecond=153 ) properties seen :0 out of 3
Probabilistic random walk after 459357 steps, saw 229825 distinct states, run finished after 3001 ms. (steps per millisecond=153 ) properties seen :0
// Phase 1: matrix 221 rows 234 cols
[2025-06-01 01:00:45] [INFO ] Computed 49 invariants in 13 ms
[2025-06-01 01:00:45] [INFO ] State equation strengthened by 37 read => feed constraints.
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, 3 unsolved
At refinement iteration 1 (OVERLAPS) 71/74 variables, 6/6 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/74 variables, 0/6 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 3 (OVERLAPS) 49/123 variables, 1/7 constraints. Problems are: Problem set: 0 solved, 3 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 01:00:45] [INFO ] Deduced a trap composed of 16 places in 59 ms of which 7 ms to minimize.
At refinement iteration 4 (INCLUDED_ONLY) 0/123 variables, 1/8 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/123 variables, 0/8 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 6 (OVERLAPS) 105/228 variables, 39/47 constraints. Problems are: Problem set: 0 solved, 3 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 01:00:45] [INFO ] Deduced a trap composed of 4 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 01:00:45] [INFO ] Deduced a trap composed of 6 places in 100 ms of which 8 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 01:00:45] [INFO ] Deduced a trap composed of 7 places in 102 ms of which 8 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 01:00:45] [INFO ] Deduced a trap composed of 8 places in 101 ms of which 9 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 01:00:45] [INFO ] Deduced a trap composed of 9 places in 101 ms of which 9 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 01:00:46] [INFO ] Deduced a trap composed of 10 places in 105 ms of which 10 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 01:00:46] [INFO ] Deduced a trap composed of 12 places in 100 ms of which 11 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 01:00:46] [INFO ] Deduced a trap composed of 16 places in 100 ms of which 12 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 01:00:46] [INFO ] Deduced a trap composed of 18 places in 120 ms of which 15 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 01:00:46] [INFO ] Deduced a trap composed of 19 places in 112 ms of which 15 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 01:00:46] [INFO ] Deduced a trap composed of 21 places in 111 ms of which 15 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 01:00:46] [INFO ] Deduced a trap composed of 22 places in 101 ms of which 16 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 01:00:46] [INFO ] Deduced a trap composed of 37 places in 144 ms of which 55 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 01:00:47] [INFO ] Deduced a trap composed of 24 places in 101 ms of which 16 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 01:00:47] [INFO ] Deduced a trap composed of 15 places in 50 ms of which 3 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 01:00:47] [INFO ] Deduced a trap composed of 22 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 01:00:47] [INFO ] Deduced a trap composed of 25 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 01:00:47] [INFO ] Deduced a trap composed of 25 places in 40 ms of which 4 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 01:00:47] [INFO ] Deduced a trap composed of 28 places in 45 ms of which 4 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 01:00:47] [INFO ] Deduced a trap composed of 28 places in 39 ms of which 3 ms to minimize.
At refinement iteration 7 (INCLUDED_ONLY) 0/228 variables, 20/67 constraints. Problems are: Problem set: 0 solved, 3 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 01:00:47] [INFO ] Deduced a trap composed of 29 places in 42 ms of which 4 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 01:00:47] [INFO ] Deduced a trap composed of 31 places in 35 ms of which 3 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 01:00:47] [INFO ] Deduced a trap composed of 32 places in 34 ms of which 2 ms to minimize.
At refinement iteration 8 (INCLUDED_ONLY) 0/228 variables, 3/70 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/228 variables, 0/70 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 10 (OVERLAPS) 1/229 variables, 1/71 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/229 variables, 0/71 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 12 (OVERLAPS) 221/450 variables, 229/300 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 13 (INCLUDED_ONLY) 0/450 variables, 37/337 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 14 (INCLUDED_ONLY) 0/450 variables, 0/337 constraints. Problems are: Problem set: 0 solved, 3 unsolved
All remaining problems are real, not stopping.
At refinement iteration 15 (OVERLAPS) 5/455 variables, 5/342 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 16 (INCLUDED_ONLY) 0/455 variables, 2/344 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 17 (INCLUDED_ONLY) 0/455 variables, 0/344 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 18 (OVERLAPS) 0/455 variables, 0/344 constraints. Problems are: Problem set: 0 solved, 3 unsolved
No progress, stopping.
After SMT solving in domain Real declared 455/455 variables, and 344 constraints, problems are : Problem set: 0 solved, 3 unsolved in 2803 ms.
Refiners :[Positive P Invariants (semi-flows): 3/3 constraints, Generalized P Invariants (flows): 46/46 constraints, State Equation: 234/234 constraints, ReadFeed: 37/37 constraints, PredecessorRefiner: 3/3 constraints, Known Traps: 24/24 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 3 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, 3 unsolved
At refinement iteration 1 (OVERLAPS) 71/74 variables, 6/6 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/74 variables, 0/6 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 3 (OVERLAPS) 49/123 variables, 1/7 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/123 variables, 2/9 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/123 variables, 0/9 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 6 (OVERLAPS) 105/228 variables, 39/48 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/228 variables, 22/70 constraints. Problems are: Problem set: 0 solved, 3 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 01:00:48] [INFO ] Deduced a trap composed of 4 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 01:00:48] [INFO ] Deduced a trap composed of 13 places in 59 ms of which 6 ms to minimize.
At refinement iteration 8 (INCLUDED_ONLY) 0/228 variables, 2/72 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/228 variables, 0/72 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 10 (OVERLAPS) 1/229 variables, 1/73 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/229 variables, 0/73 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 12 (OVERLAPS) 221/450 variables, 229/302 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 13 (INCLUDED_ONLY) 0/450 variables, 37/339 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 14 (INCLUDED_ONLY) 0/450 variables, 3/342 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 15 (INCLUDED_ONLY) 0/450 variables, 0/342 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 16 (OVERLAPS) 5/455 variables, 5/347 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 17 (INCLUDED_ONLY) 0/455 variables, 2/349 constraints. Problems are: Problem set: 0 solved, 3 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 01:00:48] [INFO ] Deduced a trap along path composed of 6 places in 27 ms of which 0 ms to minimize.
At refinement iteration 18 (INCLUDED_ONLY) 0/455 variables, 1/350 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 19 (INCLUDED_ONLY) 0/455 variables, 0/350 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 20 (OVERLAPS) 0/455 variables, 0/350 constraints. Problems are: Problem set: 0 solved, 3 unsolved
No progress, stopping.
After SMT solving in domain Int declared 455/455 variables, and 350 constraints, problems are : Problem set: 0 solved, 3 unsolved in 1303 ms.
Refiners :[Positive P Invariants (semi-flows): 3/3 constraints, Generalized P Invariants (flows): 46/46 constraints, State Equation: 234/234 constraints, ReadFeed: 37/37 constraints, PredecessorRefiner: 3/3 constraints, Known Traps: 26/26 constraints, Known Traps Along Path: 1/1 constraints]
After SMT, in 4126ms problems are : Problem set: 0 solved, 3 unsolved
Fused 3 Parikh solutions to 2 different solutions.
Parikh walk visited 0 properties in 3048 ms.
Support contains 3 out of 234 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 234/234 places, 221/221 transitions.
Applied a total of 0 rules in 5 ms. Remains 234 /234 variables (removed 0) and now considering 221/221 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 5 ms. Remains : 234/234 places, 221/221 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 234/234 places, 221/221 transitions.
Applied a total of 0 rules in 3 ms. Remains 234 /234 variables (removed 0) and now considering 221/221 (removed 0) transitions.
[2025-06-01 01:00:52] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-01 01:00:53] [INFO ] Implicit Places using invariants in 1006 ms returned [20, 26, 46, 51, 72, 77, 98, 104, 125, 130, 131, 151, 156, 178, 184, 191, 225, 231]
[2025-06-01 01:00:53] [INFO ] Actually due to overlaps returned [191, 130]
Discarding 2 places :
Implicit Place search using SMT only with invariants took 1007 ms to find 2 implicit places.
Starting structural reductions in REACHABILITY mode, iteration 1 : 232/234 places, 221/221 transitions.
Free-agglomeration rule (complex) applied 1 times.
Iterating global reduction 0 with 1 rules applied. Total rules applied 1 place count 232 transition count 220
Reduce places removed 1 places and 0 transitions.
Iterating post reduction 0 with 1 rules applied. Total rules applied 2 place count 231 transition count 220
Applied a total of 2 rules in 11 ms. Remains 231 /232 variables (removed 1) and now considering 220/221 (removed 1) transitions.
// Phase 1: matrix 220 rows 231 cols
[2025-06-01 01:00:53] [INFO ] Computed 47 invariants in 15 ms
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-01 01:00:54] [INFO ] Implicit Places using invariants in 791 ms returned [20, 26, 46, 51, 72, 77, 98, 104, 125, 130, 150, 155, 177, 183, 222, 228]
[2025-06-01 01:00:54] [INFO ] Actually due to overlaps returned [228, 222]
Discarding 2 places :
Implicit Place search using SMT only with invariants took 793 ms to find 2 implicit places.
Starting structural reductions in REACHABILITY mode, iteration 2 : 229/234 places, 220/221 transitions.
Free-agglomeration rule (complex) applied 1 times.
Iterating global reduction 0 with 1 rules applied. Total rules applied 1 place count 229 transition count 219
Reduce places removed 1 places and 0 transitions.
Iterating post reduction 0 with 1 rules applied. Total rules applied 2 place count 228 transition count 219
Applied a total of 2 rules in 10 ms. Remains 228 /229 variables (removed 1) and now considering 219/220 (removed 1) transitions.
// Phase 1: matrix 219 rows 228 cols
[2025-06-01 01:00:54] [INFO ] Computed 45 invariants in 14 ms
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-01 01:00:54] [INFO ] Implicit Places using invariants in 660 ms returned [20, 26, 46, 51, 72, 77, 98, 104, 125, 130, 150, 155, 177, 183]
[2025-06-01 01:00:54] [INFO ] Actually due to overlaps returned [26, 20]
Discarding 2 places :
Implicit Place search using SMT only with invariants took 661 ms to find 2 implicit places.
Starting structural reductions in REACHABILITY mode, iteration 3 : 226/234 places, 219/221 transitions.
Free-agglomeration rule (complex) applied 1 times.
Iterating global reduction 0 with 1 rules applied. Total rules applied 1 place count 226 transition count 218
Reduce places removed 1 places and 0 transitions.
Iterating post reduction 0 with 1 rules applied. Total rules applied 2 place count 225 transition count 218
Applied a total of 2 rules in 9 ms. Remains 225 /226 variables (removed 1) and now considering 218/219 (removed 1) transitions.
// Phase 1: matrix 218 rows 225 cols
[2025-06-01 01:00:54] [INFO ] Computed 43 invariants in 11 ms
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-01 01:00:55] [INFO ] Implicit Places using invariants in 538 ms returned [43, 48, 69, 74, 95, 101, 122, 127, 147, 152, 174, 180]
[2025-06-01 01:00:55] [INFO ] Actually due to overlaps returned [48, 43]
Discarding 2 places :
Implicit Place search using SMT only with invariants took 540 ms to find 2 implicit places.
Starting structural reductions in REACHABILITY mode, iteration 4 : 223/234 places, 218/221 transitions.
Free-agglomeration rule (complex) applied 1 times.
Iterating global reduction 0 with 1 rules applied. Total rules applied 1 place count 223 transition count 217
Reduce places removed 1 places and 0 transitions.
Iterating post reduction 0 with 1 rules applied. Total rules applied 2 place count 222 transition count 217
Applied a total of 2 rules in 8 ms. Remains 222 /223 variables (removed 1) and now considering 217/218 (removed 1) transitions.
// Phase 1: matrix 217 rows 222 cols
[2025-06-01 01:00:55] [INFO ] Computed 41 invariants in 16 ms
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-01 01:00:55] [INFO ] Implicit Places using invariants in 530 ms returned [66, 71, 92, 98, 119, 124, 144, 149, 171, 177]
[2025-06-01 01:00:55] [INFO ] Actually due to overlaps returned [71, 66]
Discarding 2 places :
Implicit Place search using SMT only with invariants took 531 ms to find 2 implicit places.
Starting structural reductions in REACHABILITY mode, iteration 5 : 220/234 places, 217/221 transitions.
Free-agglomeration rule (complex) applied 1 times.
Iterating global reduction 0 with 1 rules applied. Total rules applied 1 place count 220 transition count 216
Reduce places removed 1 places and 0 transitions.
Iterating post reduction 0 with 1 rules applied. Total rules applied 2 place count 219 transition count 216
Applied a total of 2 rules in 9 ms. Remains 219 /220 variables (removed 1) and now considering 216/217 (removed 1) transitions.
// Phase 1: matrix 216 rows 219 cols
[2025-06-01 01:00:55] [INFO ] Computed 39 invariants in 14 ms
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-01 01:00:56] [INFO ] Implicit Places using invariants in 426 ms returned [89, 95, 116, 121, 141, 146, 168, 174]
[2025-06-01 01:00:56] [INFO ] Actually due to overlaps returned [95, 89]
Discarding 2 places :
Implicit Place search using SMT only with invariants took 426 ms to find 2 implicit places.
Starting structural reductions in REACHABILITY mode, iteration 6 : 217/234 places, 216/221 transitions.
Free-agglomeration rule (complex) applied 1 times.
Iterating global reduction 0 with 1 rules applied. Total rules applied 1 place count 217 transition count 215
Reduce places removed 1 places and 0 transitions.
Iterating post reduction 0 with 1 rules applied. Total rules applied 2 place count 216 transition count 215
Applied a total of 2 rules in 8 ms. Remains 216 /217 variables (removed 1) and now considering 215/216 (removed 1) transitions.
// Phase 1: matrix 215 rows 216 cols
[2025-06-01 01:00:56] [INFO ] Computed 37 invariants in 11 ms
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-01 01:00:56] [INFO ] Implicit Places using invariants in 370 ms returned [113, 118, 138, 143, 165, 171]
[2025-06-01 01:00:56] [INFO ] Actually due to overlaps returned [118, 113]
Discarding 2 places :
Implicit Place search using SMT only with invariants took 371 ms to find 2 implicit places.
Starting structural reductions in REACHABILITY mode, iteration 7 : 214/234 places, 215/221 transitions.
Free-agglomeration rule (complex) applied 1 times.
Iterating global reduction 0 with 1 rules applied. Total rules applied 1 place count 214 transition count 214
Reduce places removed 1 places and 0 transitions.
Iterating post reduction 0 with 1 rules applied. Total rules applied 2 place count 213 transition count 214
Applied a total of 2 rules in 8 ms. Remains 213 /214 variables (removed 1) and now considering 214/215 (removed 1) transitions.
// Phase 1: matrix 214 rows 213 cols
[2025-06-01 01:00:56] [INFO ] Computed 35 invariants in 17 ms
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-01 01:00:57] [INFO ] Implicit Places using invariants in 335 ms returned [135, 140, 162, 168]
[2025-06-01 01:00:57] [INFO ] Actually due to overlaps returned [140, 135]
Discarding 2 places :
Implicit Place search using SMT only with invariants took 336 ms to find 2 implicit places.
Starting structural reductions in REACHABILITY mode, iteration 8 : 211/234 places, 214/221 transitions.
Free-agglomeration rule (complex) applied 1 times.
Iterating global reduction 0 with 1 rules applied. Total rules applied 1 place count 211 transition count 213
Reduce places removed 1 places and 0 transitions.
Iterating post reduction 0 with 1 rules applied. Total rules applied 2 place count 210 transition count 213
Applied a total of 2 rules in 9 ms. Remains 210 /211 variables (removed 1) and now considering 213/214 (removed 1) transitions.
// Phase 1: matrix 213 rows 210 cols
[2025-06-01 01:00:57] [INFO ] Computed 33 invariants in 8 ms
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-01 01:00:57] [INFO ] Implicit Places using invariants in 316 ms returned [159, 165]
Discarding 2 places :
Implicit Place search using SMT only with invariants took 317 ms to find 2 implicit places.
Starting structural reductions in REACHABILITY mode, iteration 9 : 208/234 places, 213/221 transitions.
Free-agglomeration rule (complex) applied 1 times.
Iterating global reduction 0 with 1 rules applied. Total rules applied 1 place count 208 transition count 212
Reduce places removed 1 places and 0 transitions.
Iterating post reduction 0 with 1 rules applied. Total rules applied 2 place count 207 transition count 212
Applied a total of 2 rules in 7 ms. Remains 207 /208 variables (removed 1) and now considering 212/213 (removed 1) transitions.
// Phase 1: matrix 212 rows 207 cols
[2025-06-01 01:00:57] [INFO ] Computed 31 invariants in 16 ms
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-01 01:00:57] [INFO ] Implicit Places using invariants in 313 ms returned []
[2025-06-01 01:00:57] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-01 01:00:57] [INFO ] State equation strengthened by 37 read => feed constraints.
[2025-06-01 01:00:59] [INFO ] Implicit Places using invariants and state equation in 1797 ms returned []
Implicit Place search using SMT with State Equation took 2111 ms to find 0 implicit places.
Starting structural reductions in REACHABILITY mode, iteration 10 : 207/234 places, 212/221 transitions.
Finished structural reductions in REACHABILITY mode , in 10 iterations and 7178 ms. Remains : 207/234 places, 212/221 transitions.
RANDOM walk for 40000 steps (5674 resets) in 90 ms. (439 steps per ms) remains 3/3 properties
BEST_FIRST walk for 40003 steps (3743 resets) in 54 ms. (727 steps per ms) remains 3/3 properties
BEST_FIRST walk for 40001 steps (3603 resets) in 41 ms. (952 steps per ms) remains 3/3 properties
BEST_FIRST walk for 40001 steps (3615 resets) in 41 ms. (952 steps per ms) remains 3/3 properties
Interrupted probabilistic random walk after 434681 steps, run timeout after 3001 ms. (steps per millisecond=144 ) properties seen :0 out of 3
Probabilistic random walk after 434681 steps, saw 217382 distinct states, run finished after 3001 ms. (steps per millisecond=144 ) properties seen :0
[2025-06-01 01:01:02] [INFO ] Invariant cache hit.
[2025-06-01 01:01:02] [INFO ] State equation strengthened by 37 read => feed constraints.
Starting Z3 with timeout 75.0 s and query timeout 7500.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/3 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 1 (OVERLAPS) 130/133 variables, 7/7 constraints. Problems are: Problem set: 0 solved, 3 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 01:01:02] [INFO ] Deduced a trap composed of 3 places in 41 ms of which 2 ms to minimize.
At refinement iteration 2 (INCLUDED_ONLY) 0/133 variables, 1/8 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/133 variables, 0/8 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 4 (OVERLAPS) 16/149 variables, 4/12 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/149 variables, 0/12 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 6 (OVERLAPS) 53/202 variables, 18/30 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/202 variables, 0/30 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 8 (OVERLAPS) 212/414 variables, 202/232 constraints. Problems are: Problem set: 0 solved, 3 unsolved
All remaining problems are real, not stopping.
At refinement iteration 9 (INCLUDED_ONLY) 0/414 variables, 37/269 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/414 variables, 0/269 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 11 (OVERLAPS) 5/419 variables, 5/274 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 12 (INCLUDED_ONLY) 0/419 variables, 2/276 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 13 (INCLUDED_ONLY) 0/419 variables, 0/276 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 14 (OVERLAPS) 0/419 variables, 0/276 constraints. Problems are: Problem set: 0 solved, 3 unsolved
No progress, stopping.
After SMT solving in domain Real declared 419/419 variables, and 276 constraints, problems are : Problem set: 0 solved, 3 unsolved in 399 ms.
Refiners :[Positive P Invariants (semi-flows): 13/13 constraints, Generalized P Invariants (flows): 18/18 constraints, State Equation: 207/207 constraints, ReadFeed: 37/37 constraints, PredecessorRefiner: 3/3 constraints, Known Traps: 1/1 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 3 unsolved
Starting Z3 with timeout 75.0 s and query timeout 7500.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/3 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 1 (OVERLAPS) 130/133 variables, 7/7 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/133 variables, 1/8 constraints. Problems are: Problem set: 0 solved, 3 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 01:01:03] [INFO ] Deduced a trap composed of 78 places in 82 ms of which 13 ms to minimize.
At refinement iteration 3 (INCLUDED_ONLY) 0/133 variables, 1/9 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/133 variables, 0/9 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 5 (OVERLAPS) 16/149 variables, 4/13 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/149 variables, 0/13 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 7 (OVERLAPS) 53/202 variables, 18/31 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/202 variables, 0/31 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 9 (OVERLAPS) 212/414 variables, 202/233 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/414 variables, 37/270 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/414 variables, 3/273 constraints. Problems are: Problem set: 0 solved, 3 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 01:01:03] [INFO ] Deduced a trap composed of 12 places in 89 ms of which 9 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 01:01:03] [INFO ] Deduced a trap composed of 9 places in 99 ms of which 8 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 01:01:03] [INFO ] Deduced a trap composed of 10 places in 98 ms of which 9 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 01:01:03] [INFO ] Deduced a trap composed of 18 places in 89 ms of which 12 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 01:01:03] [INFO ] Deduced a trap composed of 18 places in 99 ms of which 12 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 01:01:04] [INFO ] Deduced a trap composed of 20 places in 85 ms of which 11 ms to minimize.
At refinement iteration 12 (INCLUDED_ONLY) 0/414 variables, 6/279 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 13 (INCLUDED_ONLY) 0/414 variables, 0/279 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 14 (OVERLAPS) 5/419 variables, 5/284 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 15 (INCLUDED_ONLY) 0/419 variables, 2/286 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 16 (INCLUDED_ONLY) 0/419 variables, 0/286 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 17 (OVERLAPS) 0/419 variables, 0/286 constraints. Problems are: Problem set: 0 solved, 3 unsolved
No progress, stopping.
After SMT solving in domain Int declared 419/419 variables, and 286 constraints, problems are : Problem set: 0 solved, 3 unsolved in 1291 ms.
Refiners :[Positive P Invariants (semi-flows): 13/13 constraints, Generalized P Invariants (flows): 18/18 constraints, State Equation: 207/207 constraints, ReadFeed: 37/37 constraints, PredecessorRefiner: 3/3 constraints, Known Traps: 8/8 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 1694ms problems are : Problem set: 0 solved, 3 unsolved
Fused 3 Parikh solutions to 2 different solutions.
Parikh walk visited 0 properties in 1298 ms.
Support contains 3 out of 207 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 207/207 places, 212/212 transitions.
Applied a total of 0 rules in 3 ms. Remains 207 /207 variables (removed 0) and now considering 212/212 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 3 ms. Remains : 207/207 places, 212/212 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 207/207 places, 212/212 transitions.
Applied a total of 0 rules in 2 ms. Remains 207 /207 variables (removed 0) and now considering 212/212 (removed 0) transitions.
[2025-06-01 01:01:05] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-01 01:01:05] [INFO ] Implicit Places using invariants in 287 ms returned []
[2025-06-01 01:01:05] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-01 01:01:06] [INFO ] State equation strengthened by 37 read => feed constraints.
[2025-06-01 01:01:07] [INFO ] Implicit Places using invariants and state equation in 1824 ms returned []
Implicit Place search using SMT with State Equation took 2112 ms to find 0 implicit places.
Starting Z3 with timeout 200.0 s and query timeout 20000.0 ms
[2025-06-01 01:01:07] [INFO ] Redundant transitions in 1 ms returned []
Running 211 sub problems to find dead transitions.
[2025-06-01 01:01:07] [INFO ] Invariant cache hit.
[2025-06-01 01:01:07] [INFO ] State equation strengthened by 37 read => feed constraints.
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/206 variables, 2/2 constraints. Problems are: Problem set: 0 solved, 211 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/206 variables, 18/20 constraints. Problems are: Problem set: 0 solved, 211 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/206 variables, 0/20 constraints. Problems are: Problem set: 0 solved, 211 unsolved
At refinement iteration 3 (OVERLAPS) 1/207 variables, 11/31 constraints. Problems are: Problem set: 0 solved, 211 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/207 variables, 0/31 constraints. Problems are: Problem set: 0 solved, 211 unsolved
At refinement iteration 5 (OVERLAPS) 212/419 variables, 207/238 constraints. Problems are: Problem set: 0 solved, 211 unsolved
All remaining problems are real, not stopping.
At refinement iteration 6 (INCLUDED_ONLY) 0/419 variables, 37/275 constraints. Problems are: Problem set: 0 solved, 211 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/419 variables, 0/275 constraints. Problems are: Problem set: 0 solved, 211 unsolved
At refinement iteration 8 (OVERLAPS) 0/419 variables, 0/275 constraints. Problems are: Problem set: 0 solved, 211 unsolved
No progress, stopping.
After SMT solving in domain Real declared 419/419 variables, and 275 constraints, problems are : Problem set: 0 solved, 211 unsolved in 13639 ms.
Refiners :[Positive P Invariants (semi-flows): 13/13 constraints, Generalized P Invariants (flows): 18/18 constraints, State Equation: 207/207 constraints, ReadFeed: 37/37 constraints, PredecessorRefiner: 211/211 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 211 unsolved
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/206 variables, 2/2 constraints. Problems are: Problem set: 0 solved, 211 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/206 variables, 18/20 constraints. Problems are: Problem set: 0 solved, 211 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/206 variables, 0/20 constraints. Problems are: Problem set: 0 solved, 211 unsolved
At refinement iteration 3 (OVERLAPS) 1/207 variables, 11/31 constraints. Problems are: Problem set: 0 solved, 211 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/207 variables, 0/31 constraints. Problems are: Problem set: 0 solved, 211 unsolved
At refinement iteration 5 (OVERLAPS) 212/419 variables, 207/238 constraints. Problems are: Problem set: 0 solved, 211 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/419 variables, 37/275 constraints. Problems are: Problem set: 0 solved, 211 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/419 variables, 211/486 constraints. Problems are: Problem set: 0 solved, 211 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 01:01:31] [INFO ] Deduced a trap composed of 29 places in 41 ms of which 2 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 01:01:33] [INFO ] Deduced a trap composed of 43 places in 103 ms of which 16 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 01:01:34] [INFO ] Deduced a trap composed of 3 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 01:01:35] [INFO ] Deduced a trap composed of 6 places in 61 ms of which 5 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 01:01:37] [INFO ] Deduced a trap composed of 13 places in 94 ms of which 10 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 01:01:37] [INFO ] Deduced a trap composed of 17 places in 89 ms of which 12 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 01:01:37] [INFO ] Deduced a trap composed of 18 places in 87 ms of which 13 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 01:01:38] [INFO ] Deduced a trap composed of 21 places in 93 ms of which 13 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 01:01:38] [INFO ] Deduced a trap composed of 21 places in 86 ms of which 13 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 01:01:38] [INFO ] Deduced a trap composed of 22 places in 97 ms of which 14 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 01:01:38] [INFO ] Deduced a trap composed of 25 places in 101 ms of which 14 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 01:01:38] [INFO ] Deduced a trap composed of 28 places in 101 ms of which 16 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 01:01:38] [INFO ] Deduced a trap composed of 20 places in 97 ms of which 13 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 01:01:39] [INFO ] Deduced a trap composed of 38 places in 106 ms of which 24 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 01:01:39] [INFO ] Deduced a trap composed of 31 places in 39 ms of which 2 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 01:01:39] [INFO ] Deduced a trap composed of 32 places in 44 ms of which 2 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 01:01:39] [INFO ] Deduced a trap composed of 62 places in 112 ms of which 32 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 01:01:40] [INFO ] Deduced a trap composed of 62 places in 114 ms of which 36 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 01:01:40] [INFO ] Deduced a trap composed of 63 places in 103 ms of which 26 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 01:01:40] [INFO ] Deduced a trap composed of 63 places in 112 ms of which 29 ms to minimize.
At refinement iteration 8 (INCLUDED_ONLY) 0/419 variables, 20/506 constraints. Problems are: Problem set: 0 solved, 211 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 01:01:45] [INFO ] Deduced a trap composed of 61 places in 97 ms of which 22 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 01:01:46] [INFO ] Deduced a trap composed of 4 places in 52 ms of which 3 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 01:01:46] [INFO ] Deduced a trap composed of 64 places in 92 ms of which 17 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 01:01:46] [INFO ] Deduced a trap composed of 60 places in 96 ms of which 20 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 01:01:46] [INFO ] Deduced a trap composed of 15 places in 51 ms of which 4 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 01:01:47] [INFO ] Deduced a trap composed of 22 places in 92 ms of which 12 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 01:01:47] [INFO ] Deduced a trap composed of 48 places in 97 ms of which 20 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 01:01:47] [INFO ] Deduced a trap composed of 48 places in 90 ms of which 20 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 01:01:47] [INFO ] Deduced a trap composed of 44 places in 87 ms of which 17 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 01:01:49] [INFO ] Deduced a trap composed of 53 places in 96 ms of which 18 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 01:01:49] [INFO ] Deduced a trap composed of 57 places in 94 ms of which 16 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 01:01:49] [INFO ] Deduced a trap composed of 57 places in 81 ms of which 17 ms to minimize.
At refinement iteration 9 (INCLUDED_ONLY) 0/419 variables, 12/518 constraints. Problems are: Problem set: 0 solved, 211 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 419/419 variables, and 518 constraints, problems are : Problem set: 0 solved, 211 unsolved in 30024 ms.
Refiners :[Positive P Invariants (semi-flows): 13/13 constraints, Generalized P Invariants (flows): 18/18 constraints, State Equation: 207/207 constraints, ReadFeed: 37/37 constraints, PredecessorRefiner: 211/211 constraints, Known Traps: 32/32 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 43710ms problems are : Problem set: 0 solved, 211 unsolved
Search for dead transitions found 0 dead transitions in 43711ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 45838 ms. Remains : 207/207 places, 212/212 transitions.
Knowledge obtained : [(AND p1 p0), (X (X p0)), (X (X p1)), (X (X (AND p1 p0)))]
False Knowledge obtained : []
Knowledge based reduction with 4 factoid took 91 ms. Reduced automaton from 6 states, 10 edges and 2 AP (stutter sensitive) to 6 states, 10 edges and 2 AP (stutter sensitive).
Stuttering acceptance computed with spot in 211 ms :[true, (NOT p1), (NOT p0), (AND (NOT p1) (NOT p0)), (AND (NOT p1) (NOT p0)), (AND (NOT p1) (NOT p0))]
Stuttering acceptance computed with spot in 208 ms :[true, (NOT p1), (NOT p0), (AND (NOT p1) (NOT p0)), (AND (NOT p1) (NOT p0)), (AND (NOT p1) (NOT p0))]
Stuttering acceptance computed with spot in 225 ms :[true, (NOT p1), (NOT p0), (AND (NOT p1) (NOT p0)), (AND (NOT p1) (NOT p0)), (AND (NOT p1) (NOT p0))]
Product exploration explored 100000 steps with 13812 reset in 117 ms.
Product exploration explored 100000 steps with 13917 reset in 133 ms.
Applying partial POR strategy [true, true, true, false, false, false]
Stuttering acceptance computed with spot in 196 ms :[true, (NOT p1), (NOT p0), (AND (NOT p1) (NOT p0)), (AND (NOT p1) (NOT p0)), (AND (NOT p1) (NOT p0))]
Support contains 3 out of 276 places. Attempting structural reductions.
Starting structural reductions in SI_LTL mode, iteration 0 : 276/276 places, 263/263 transitions.
Applied a total of 0 rules in 7 ms. Remains 276 /276 variables (removed 0) and now considering 263/263 (removed 0) transitions.
Starting Z3 with timeout 200.0 s and query timeout 20000.0 ms
[2025-06-01 01:01:52] [INFO ] Redundant transitions in 1 ms returned []
Running 262 sub problems to find dead transitions.
// Phase 1: matrix 263 rows 276 cols
[2025-06-01 01:01:52] [INFO ] Computed 49 invariants in 11 ms
[2025-06-01 01:01:52] [INFO ] State equation strengthened by 18 read => feed constraints.
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/275 variables, 2/2 constraints. Problems are: Problem set: 0 solved, 262 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/275 variables, 47/49 constraints. Problems are: Problem set: 0 solved, 262 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/275 variables, 0/49 constraints. Problems are: Problem set: 0 solved, 262 unsolved
At refinement iteration 3 (OVERLAPS) 263/538 variables, 275/324 constraints. Problems are: Problem set: 0 solved, 262 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/538 variables, 18/342 constraints. Problems are: Problem set: 0 solved, 262 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/538 variables, 0/342 constraints. Problems are: Problem set: 0 solved, 262 unsolved
At refinement iteration 6 (OVERLAPS) 1/539 variables, 1/343 constraints. Problems are: Problem set: 0 solved, 262 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 01:02:19] [INFO ] Deduced a trap composed of 10 places in 71 ms of which 5 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 01:02:19] [INFO ] Deduced a trap composed of 18 places in 65 ms of which 5 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 01:02:20] [INFO ] Deduced a trap composed of 21 places in 66 ms of which 4 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 01:02:20] [INFO ] Deduced a trap composed of 27 places in 63 ms of which 4 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 01:02:20] [INFO ] Deduced a trap composed of 29 places in 61 ms of which 5 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 01:02:21] [INFO ] Deduced a trap composed of 30 places in 51 ms of which 4 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 01:02:21] [INFO ] Deduced a trap composed of 31 places in 60 ms of which 4 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 01:02:21] [INFO ] Deduced a trap composed of 35 places in 53 ms of which 4 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 01:02:21] [INFO ] Deduced a trap composed of 27 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 01:02:22] [INFO ] Deduced a trap composed of 35 places in 44 ms of which 2 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 01:02:22] [INFO ] Deduced a trap composed of 39 places in 45 ms of which 2 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 01:02:22] [INFO ] Deduced a trap composed of 39 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 01:02:22] [INFO ] Deduced a trap composed of 41 places in 44 ms of which 2 ms to minimize.
Solver is answering 'unknown', stopping.
After SMT solving in domain Real declared 539/539 variables, and 356 constraints, problems are : Problem set: 0 solved, 262 unsolved in 30014 ms.
Refiners :[Positive P Invariants (semi-flows): 2/2 constraints, Generalized P Invariants (flows): 47/47 constraints, State Equation: 276/276 constraints, ReadFeed: 18/18 constraints, PredecessorRefiner: 262/262 constraints, Known Traps: 13/13 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 262 unsolved
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/275 variables, 2/2 constraints. Problems are: Problem set: 0 solved, 262 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/275 variables, 47/49 constraints. Problems are: Problem set: 0 solved, 262 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/275 variables, 0/49 constraints. Problems are: Problem set: 0 solved, 262 unsolved
At refinement iteration 3 (OVERLAPS) 263/538 variables, 275/324 constraints. Problems are: Problem set: 0 solved, 262 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/538 variables, 18/342 constraints. Problems are: Problem set: 0 solved, 262 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/538 variables, 259/601 constraints. Problems are: Problem set: 0 solved, 262 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/538 variables, 0/601 constraints. Problems are: Problem set: 0 solved, 262 unsolved
SMT process timed out in 60062ms, After SMT, problems are : Problem set: 0 solved, 262 unsolved
Search for dead transitions found 0 dead transitions in 60063ms
Finished structural reductions in SI_LTL mode , in 1 iterations and 60080 ms. Remains : 276/276 places, 263/263 transitions.
Built C files in :
/tmp/ltsmin8351711824280355693
[2025-06-01 01:02:52] [INFO ] Built C files in 9ms conformant to PINS (ltsmin variant)in folder :/tmp/ltsmin8351711824280355693
Running compilation step : cd /tmp/ltsmin8351711824280355693;'/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 427 ms.
Running link step : cd /tmp/ltsmin8351711824280355693;'gcc' '-shared' '-o' 'gal.so' 'model.o'
Link finished in 38 ms.
Running LTSmin : cd /tmp/ltsmin8351711824280355693;'/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.ltsmin.binaries_1.0.0.202505121319/bin/pins2lts-mc-linux64' './gal.so' '--threads=8' '--when' '--hoa' '/tmp/stateBased12773634558769940797.hoa' '--buchi-type=spotba'
WARNING : LTS min runner thread was asked to interrupt. Dying gracefully.
Support contains 3 out of 276 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 276/276 places, 263/263 transitions.
Applied a total of 0 rules in 4 ms. Remains 276 /276 variables (removed 0) and now considering 263/263 (removed 0) transitions.
[2025-06-01 01:03:07] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-01 01:03:08] [INFO ] Implicit Places using invariants in 134 ms returned []
[2025-06-01 01:03:08] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-01 01:03:08] [INFO ] State equation strengthened by 18 read => feed constraints.
[2025-06-01 01:03:09] [INFO ] Implicit Places using invariants and state equation in 1630 ms returned []
Implicit Place search using SMT with State Equation took 1765 ms to find 0 implicit places.
Running 262 sub problems to find dead transitions.
[2025-06-01 01:03:09] [INFO ] Invariant cache hit.
[2025-06-01 01:03:09] [INFO ] State equation strengthened by 18 read => feed constraints.
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/275 variables, 2/2 constraints. Problems are: Problem set: 0 solved, 262 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/275 variables, 47/49 constraints. Problems are: Problem set: 0 solved, 262 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/275 variables, 0/49 constraints. Problems are: Problem set: 0 solved, 262 unsolved
At refinement iteration 3 (OVERLAPS) 263/538 variables, 275/324 constraints. Problems are: Problem set: 0 solved, 262 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/538 variables, 18/342 constraints. Problems are: Problem set: 0 solved, 262 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/538 variables, 0/342 constraints. Problems are: Problem set: 0 solved, 262 unsolved
At refinement iteration 6 (OVERLAPS) 1/539 variables, 1/343 constraints. Problems are: Problem set: 0 solved, 262 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 01:03:33] [INFO ] Deduced a trap composed of 21 places in 55 ms of which 4 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 01:03:33] [INFO ] Deduced a trap composed of 6 places in 71 ms of which 6 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 01:03:33] [INFO ] Deduced a trap composed of 10 places in 75 ms of which 7 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 01:03:34] [INFO ] Deduced a trap composed of 35 places in 54 ms of which 3 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 01:03:35] [INFO ] Deduced a trap composed of 39 places in 51 ms of which 3 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 01:03:35] [INFO ] Deduced a trap composed of 31 places in 46 ms of which 2 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 01:03:35] [INFO ] Deduced a trap composed of 37 places in 49 ms of which 4 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 01:03:36] [INFO ] Deduced a trap composed of 10 places in 80 ms of which 6 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 01:03:38] [INFO ] Deduced a trap composed of 35 places in 41 ms of which 2 ms to minimize.
Solver is answering 'unknown', stopping.
After SMT solving in domain Real declared 539/539 variables, and 352 constraints, problems are : Problem set: 0 solved, 262 unsolved in 30013 ms.
Refiners :[Positive P Invariants (semi-flows): 2/2 constraints, Generalized P Invariants (flows): 47/47 constraints, State Equation: 276/276 constraints, ReadFeed: 18/18 constraints, PredecessorRefiner: 262/262 constraints, Known Traps: 9/9 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 262 unsolved
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/275 variables, 2/2 constraints. Problems are: Problem set: 0 solved, 262 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/275 variables, 47/49 constraints. Problems are: Problem set: 0 solved, 262 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/275 variables, 0/49 constraints. Problems are: Problem set: 0 solved, 262 unsolved
At refinement iteration 3 (OVERLAPS) 263/538 variables, 275/324 constraints. Problems are: Problem set: 0 solved, 262 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/538 variables, 18/342 constraints. Problems are: Problem set: 0 solved, 262 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/538 variables, 259/601 constraints. Problems are: Problem set: 0 solved, 262 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/538 variables, 0/601 constraints. Problems are: Problem set: 0 solved, 262 unsolved
At refinement iteration 7 (OVERLAPS) 1/539 variables, 1/602 constraints. Problems are: Problem set: 0 solved, 262 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 539/539 variables, and 605 constraints, problems are : Problem set: 0 solved, 262 unsolved in 30018 ms.
Refiners :[Positive P Invariants (semi-flows): 2/2 constraints, Generalized P Invariants (flows): 47/47 constraints, State Equation: 276/276 constraints, ReadFeed: 18/18 constraints, PredecessorRefiner: 262/262 constraints, Known Traps: 0/9 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 60054ms problems are : Problem set: 0 solved, 262 unsolved
Search for dead transitions found 0 dead transitions in 60055ms
Finished structural reductions in LTL mode , in 1 iterations and 61826 ms. Remains : 276/276 places, 263/263 transitions.
Built C files in :
/tmp/ltsmin13332355644611264023
[2025-06-01 01:04:09] [INFO ] Built C files in 5ms conformant to PINS (ltsmin variant)in folder :/tmp/ltsmin13332355644611264023
Running compilation step : cd /tmp/ltsmin13332355644611264023;'/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 433 ms.
Running link step : cd /tmp/ltsmin13332355644611264023;'gcc' '-shared' '-o' 'gal.so' 'model.o'
Link finished in 34 ms.
Running LTSmin : cd /tmp/ltsmin13332355644611264023;'/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.ltsmin.binaries_1.0.0.202505121319/bin/pins2lts-mc-linux64' './gal.so' '--threads=8' '--when' '--hoa' '/tmp/stateBased11267418723676971390.hoa' '--buchi-type=spotba'
WARNING : LTS min runner thread was asked to interrupt. Dying gracefully.
[2025-06-01 01:04:24] [INFO ] Flatten gal took : 7 ms
[2025-06-01 01:04:24] [INFO ] Flatten gal took : 7 ms
[2025-06-01 01:04:24] [INFO ] Time to serialize gal into /tmp/LTL3642231586785558545.gal : 3 ms
[2025-06-01 01:04:24] [INFO ] Time to serialize properties into /tmp/LTL10193809905144793568.prop : 0 ms
Invoking ITS tools like this :cd /home/mcc/execution;'/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202505121319/bin/its-ltl-linux64' '--gc-threshold' '2000000' '-i' '/tmp/LTL3642231586785558545.gal' '-t' 'CGAL' '-hoa' '/tmp/aut5375765683402984917.hoa' '-atoms' '/tmp/LTL10193809905144793568.prop' '-c' '-stutter-deadlock' '--gen-order' 'FOLLOW'

its-ltl command run as :

/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202505121319/bin/its-ltl-linux64 --gc-threshold 2000000 -i /tmp/L...318
Loading property file /tmp/LTL10193809905144793568.prop.
Loaded 2 atomic propositions.
Checking formula 0 provided in automaton : /tmp/aut5375765683402984917.hoa
Detected timeout of ITS tools.
[2025-06-01 01:04:40] [INFO ] Flatten gal took : 11 ms
[2025-06-01 01:04:40] [INFO ] Flatten gal took : 7 ms
[2025-06-01 01:04:40] [INFO ] Time to serialize gal into /tmp/LTL6428717249616675149.gal : 2 ms
[2025-06-01 01:04:40] [INFO ] Time to serialize properties into /tmp/LTL10440640136027181407.ltl : 0 ms
Invoking ITS tools like this :cd /home/mcc/execution;'/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202505121319/bin/its-ltl-linux64' '--gc-threshold' '2000000' '-i' '/tmp/LTL6428717249616675149.gal' '-t' 'CGAL' '-LTL' '/tmp/LTL10440640136027181407.ltl' '-c' '-stutter-deadlock' '--gen-order' 'FOLLOW'

its-ltl command run as :

/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202505121319/bin/its-ltl-linux64 --gc-threshold 2000000 -i /tmp/L...276
Read 1 LTL properties
Checking formula 0 : !((X((G("((p218<1)||(p237<1))"))||(X(G("(p292<1)"))))))
Formula 0 simplified : X(F!"((p218<1)||(p237<1))" & XF!"(p292<1)")
Detected timeout of ITS tools.
[2025-06-01 01:04:55] [INFO ] Flatten gal took : 13 ms
[2025-06-01 01:04:55] [INFO ] Applying decomposition
[2025-06-01 01:04:55] [INFO ] Flatten gal took : 7 ms
Converted graph to binary with : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.louvain.binaries_1.0.0.202505121319/bin/convert-linux64' '-i' '/tmp/graph12959129089092474255.txt' '-o' '/tmp/graph12959129089092474255.bin' '-w' '/tmp/graph12959129089092474255.weights'
Built communities with : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.louvain.binaries_1.0.0.202505121319/bin/louvain-linux64' '/tmp/graph12959129089092474255.bin' '-l' '-1' '-v' '-w' '/tmp/graph12959129089092474255.weights' '-q' '0' '-e' '0.001'
[2025-06-01 01:04:55] [INFO ] Decomposing Gal with order
[2025-06-01 01:04:55] [INFO ] Rewriting arrays to variables to allow decomposition.
[2025-06-01 01:04:55] [INFO ] Removed a total of 179 redundant transitions.
[2025-06-01 01:04:55] [INFO ] Flatten gal took : 16 ms
[2025-06-01 01:04:55] [INFO ] Fuse similar labels procedure discarded/fused a total of 14 labels/synchronizations in 7 ms.
[2025-06-01 01:04:55] [INFO ] Time to serialize gal into /tmp/LTL105924493772766137.gal : 3 ms
[2025-06-01 01:04:55] [INFO ] Time to serialize properties into /tmp/LTL6346307104744688949.ltl : 0 ms
Invoking ITS tools like this :cd /home/mcc/execution;'/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202505121319/bin/its-ltl-linux64' '--gc-threshold' '2000000' '-i' '/tmp/LTL105924493772766137.gal' '-t' 'CGAL' '-LTL' '/tmp/LTL6346307104744688949.ltl' '-c' '-stutter-deadlock'

its-ltl command run as :

/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202505121319/bin/its-ltl-linux64 --gc-threshold 2000000 -i /tmp/L...253
Read 1 LTL properties
Checking formula 0 : !((X((G("((i2.i1.i1.u44.p218<1)||(i2.i1.i0.u29.p237<1))"))||(X(G("(i1.u36.p292<1)"))))))
Formula 0 simplified : X(F!"((i2.i1.i1.u44.p218<1)||(i2.i1.i0.u29.p237<1))" & XF!"(i1.u36.p292<1)")
Detected timeout of ITS tools.
Treatment of property DoubleExponent-PT-010-LTLFireability-11 finished in 538731 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(G(p0)))'
[2025-06-01 01:05:10] [INFO ] Flatten gal took : 16 ms
Using solver Z3 to compute partial order matrices.
Built C files in :
/tmp/ltsmin12140170704512798322
[2025-06-01 01:05:10] [INFO ] Applying decomposition
[2025-06-01 01:05:10] [INFO ] Computing symmetric may disable matrix : 497 transitions.
[2025-06-01 01:05:10] [INFO ] Computation of Complete disable matrix. took 1 ms. Total solver calls (SAT/UNSAT): 0(0/0)
[2025-06-01 01:05:10] [INFO ] Computing symmetric may enable matrix : 497 transitions.
[2025-06-01 01:05:10] [INFO ] Computation of Complete enable matrix. took 1 ms. Total solver calls (SAT/UNSAT): 0(0/0)
[2025-06-01 01:05:10] [INFO ] Flatten gal took : 11 ms
Converted graph to binary with : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.louvain.binaries_1.0.0.202505121319/bin/convert-linux64' '-i' '/tmp/graph5922906002374452136.txt' '-o' '/tmp/graph5922906002374452136.bin' '-w' '/tmp/graph5922906002374452136.weights'
[2025-06-01 01:05:10] [INFO ] Computing Do-Not-Accords matrix : 497 transitions.
[2025-06-01 01:05:10] [INFO ] Computation of Completed DNA matrix. took 6 ms. Total solver calls (SAT/UNSAT): 0(0/0)
[2025-06-01 01:05:10] [INFO ] Built C files in 60ms conformant to PINS (ltsmin variant)in folder :/tmp/ltsmin12140170704512798322
Running compilation step : cd /tmp/ltsmin12140170704512798322;'/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.ltsmin.binaries_1.0.0.202505121319/bin/limit_time.pl' '360' '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'
Built communities with : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.louvain.binaries_1.0.0.202505121319/bin/louvain-linux64' '/tmp/graph5922906002374452136.bin' '-l' '-1' '-v' '-w' '/tmp/graph5922906002374452136.weights' '-q' '0' '-e' '0.001'
[2025-06-01 01:05:10] [INFO ] Decomposing Gal with order
[2025-06-01 01:05:10] [INFO ] Rewriting arrays to variables to allow decomposition.
[2025-06-01 01:05:10] [INFO ] Removed a total of 136 redundant transitions.
[2025-06-01 01:05:10] [INFO ] Flatten gal took : 26 ms
[2025-06-01 01:05:10] [INFO ] Fuse similar labels procedure discarded/fused a total of 4 labels/synchronizations in 12 ms.
[2025-06-01 01:05:10] [INFO ] Time to serialize gal into /tmp/LTLFireability994234120567256021.gal : 11 ms
[2025-06-01 01:05:10] [INFO ] Time to serialize properties into /tmp/LTLFireability18291378485780456479.ltl : 0 ms
Invoking ITS tools like this :cd /home/mcc/execution;'/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202505121319/bin/its-ltl-linux64' '--gc-threshold' '2000000' '-i' '/tmp/LTLFireability994234120567256021.gal' '-t' 'CGAL' '-LTL' '/tmp/LTLFireability18291378485780456479.ltl' '-c' '-stutter-deadlock'

its-ltl command run as :

/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202505121319/bin/its-ltl-linux64 --gc-threshold 2000000 -i /tmp/L...276
Read 2 LTL properties
Checking formula 0 : !((X((G("((i4.i1.i5.u59.p218<1)||(i4.i1.i3.u68.p237<1))"))||(X(G("(i4.i1.i4.u94.p292<1)"))))))
Formula 0 simplified : X(F!"((i4.i1.i5.u59.p218<1)||(i4.i1.i3.u68.p237<1))" & XF!"(i4.i1.i4.u94.p292<1)")
Compilation finished in 1094 ms.
Running link step : cd /tmp/ltsmin12140170704512798322;'gcc' '-shared' '-o' 'gal.so' 'model.o'
Link finished in 40 ms.
Running LTSmin : cd /tmp/ltsmin12140170704512798322;'/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.ltsmin.binaries_1.0.0.202505121319/bin/pins2lts-mc-linux64' './gal.so' '--threads=8' '--when' '--ltl' 'X(([]((LTLAPp0==true))||X([]((LTLAPp1==true)))))' '--buchi-type=spotba'
pins2lts-mc-linux64, 0.000: Registering PINS so language module
pins2lts-mc-linux64( 1/ 8), 0.001: library has no initializer
pins2lts-mc-linux64( 1/ 8), 0.001: loading model GAL
pins2lts-mc-linux64( 5/ 8), 0.001: library has no initializer
pins2lts-mc-linux64( 5/ 8), 0.001: loading model GAL
pins2lts-mc-linux64( 4/ 8), 0.002: library has no initializer
pins2lts-mc-linux64( 4/ 8), 0.002: loading model GAL
pins2lts-mc-linux64( 2/ 8), 0.006: library has no initializer
pins2lts-mc-linux64( 2/ 8), 0.006: loading model GAL
pins2lts-mc-linux64( 3/ 8), 0.016: library has no initializer
pins2lts-mc-linux64( 3/ 8), 0.016: loading model GAL
pins2lts-mc-linux64( 0/ 8), 0.032: Loading model from ./gal.so
pins2lts-mc-linux64( 0/ 8), 0.032: library has no initializer
pins2lts-mc-linux64( 0/ 8), 0.032: loading model GAL
pins2lts-mc-linux64( 6/ 8), 0.034: library has no initializer
pins2lts-mc-linux64( 6/ 8), 0.034: loading model GAL
pins2lts-mc-linux64( 5/ 8), 0.037: completed loading model GAL
pins2lts-mc-linux64( 5/ 8), 0.037: LTL layer: formula: X(([]((LTLAPp0==true))||X([]((LTLAPp1==true)))))
pins2lts-mc-linux64( 5/ 8), 0.037: "X(([]((LTLAPp0==true))||X([]((LTLAPp1==true)))))" is not a file, parsing as formula...
pins2lts-mc-linux64( 5/ 8), 0.037: Using Spin LTL semantics
pins2lts-mc-linux64( 7/ 8), 0.037: library has no initializer
pins2lts-mc-linux64( 7/ 8), 0.037: loading model GAL
pins2lts-mc-linux64( 4/ 8), 0.042: completed loading model GAL
pins2lts-mc-linux64( 2/ 8), 0.085: completed loading model GAL
pins2lts-mc-linux64( 7/ 8), 0.092: completed loading model GAL
pins2lts-mc-linux64( 1/ 8), 0.097: completed loading model GAL
pins2lts-mc-linux64( 6/ 8), 0.105: completed loading model GAL
pins2lts-mc-linux64( 3/ 8), 0.118: completed loading model GAL
pins2lts-mc-linux64( 0/ 8), 0.129: completed loading model GAL
pins2lts-mc-linux64( 0/ 8), 0.167: Weak Buchi automaton detected, adding non-accepting as progress label.
pins2lts-mc-linux64( 0/ 8), 0.329: DFS-FIFO for weak LTL, using special progress label 501
pins2lts-mc-linux64( 0/ 8), 0.329: There are 502 state labels and 1 edge labels
pins2lts-mc-linux64( 0/ 8), 0.329: State length is 528, there are 509 groups
pins2lts-mc-linux64( 0/ 8), 0.329: Running dfsfifo using 8 cores
pins2lts-mc-linux64( 0/ 8), 0.329: Using a tree table with 2^27 elements
pins2lts-mc-linux64( 0/ 8), 0.329: Successor permutation: rr
pins2lts-mc-linux64( 0/ 8), 0.329: Global bits: 2, count bits: 0, local bits: 0
pins2lts-mc-linux64( 1/ 8), 0.778: ~1 levels ~960 states ~1056 transitions
pins2lts-mc-linux64( 1/ 8), 0.806: ~1 levels ~1920 states ~2120 transitions
pins2lts-mc-linux64( 2/ 8), 0.884: ~1 levels ~3840 states ~4248 transitions
pins2lts-mc-linux64( 2/ 8), 1.168: ~1 levels ~7680 states ~8472 transitions
pins2lts-mc-linux64( 0/ 8), 1.346: ~1 levels ~15360 states ~17048 transitions
pins2lts-mc-linux64( 2/ 8), 1.660: ~1 levels ~30720 states ~34000 transitions
pins2lts-mc-linux64( 2/ 8), 2.219: ~1 levels ~61440 states ~67976 transitions
pins2lts-mc-linux64( 2/ 8), 3.259: ~1 levels ~122880 states ~135984 transitions
pins2lts-mc-linux64( 6/ 8), 5.264: ~1 levels ~245760 states ~272136 transitions
pins2lts-mc-linux64( 3/ 8), 8.863: ~1 levels ~491520 states ~543944 transitions
pins2lts-mc-linux64( 5/ 8), 15.026: ~1 levels ~983040 states ~1088000 transitions
pins2lts-mc-linux64( 3/ 8), 27.208: ~1 levels ~1966080 states ~2175232 transitions
pins2lts-mc-linux64( 5/ 8), 51.219: ~1 levels ~3932160 states ~4350576 transitions
pins2lts-mc-linux64( 3/ 8), 97.776: ~1 levels ~7864320 states ~8701640 transitions
pins2lts-mc-linux64( 6/ 8), 194.268: ~1 levels ~15728640 states ~17389328 transitions
pins2lts-mc-linux64( 1/ 8), 386.829: ~1 levels ~31457280 states ~34814056 transitions
pins2lts-mc-linux64( 6/ 8), 647.026: Error: tree leafs table full! Change -s/--ratio.
pins2lts-mc-linux64( 0/ 8), 647.068:
pins2lts-mc-linux64( 0/ 8), 647.068: mean standard work distribution: 6.4% (states) 6.4% (transitions)
pins2lts-mc-linux64( 0/ 8), 647.068:
pins2lts-mc-linux64( 0/ 8), 647.068: Explored 50674260 states 56069199 transitions, fanout: 1.106
pins2lts-mc-linux64( 0/ 8), 647.068: Total exploration time 646.720 sec (646.660 sec minimum, 646.689 sec on average)
pins2lts-mc-linux64( 0/ 8), 647.068: States per second: 78356, Transitions per second: 86698
pins2lts-mc-linux64( 0/ 8), 647.068:
pins2lts-mc-linux64( 0/ 8), 647.068: Progress states detected: 50752344
pins2lts-mc-linux64( 0/ 8), 647.068: Redundant explorations: -0.1539
pins2lts-mc-linux64( 0/ 8), 647.068:
pins2lts-mc-linux64( 0/ 8), 647.068: Queue width: 8B, total height: 225865, memory: 1.72MB
pins2lts-mc-linux64( 0/ 8), 647.068: Tree memory: 643.2MB, 13.3 B/state, compr.: 0.6%
pins2lts-mc-linux64( 0/ 8), 647.068: Tree fill ratio (roots/leafs): 37.0%/99.0%
pins2lts-mc-linux64( 0/ 8), 647.068: Stored 499 string chucks using 0MB
pins2lts-mc-linux64( 0/ 8), 647.068: Total memory used for chunk indexing: 0MB
pins2lts-mc-linux64( 0/ 8), 647.068: Est. total memory use: 644.9MB (~1025.7MB paged-in)
WARNING : LTS min runner thread failed on error :java.lang.RuntimeException: Unexpected exception when executing ltsmin :cd /tmp/ltsmin12140170704512798322;'/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.ltsmin.binaries_1.0.0.202505121319/bin/pins2lts-mc-linux64' './gal.so' '--threads=8' '--when' '--ltl' 'X(([]((LTLAPp0==true))||X([]((LTLAPp1==true)))))' '--buchi-type=spotba'
255
java.lang.RuntimeException: Unexpected exception when executing ltsmin :cd /tmp/ltsmin12140170704512798322;'/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.ltsmin.binaries_1.0.0.202505121319/bin/pins2lts-mc-linux64' './gal.so' '--threads=8' '--when' '--ltl' 'X(([]((LTLAPp0==true))||X([]((LTLAPp1==true)))))' '--buchi-type=spotba'
255
at fr.lip6.move.gal.application.runner.ltsmin.LTSminRunner.checkProperty(LTSminRunner.java:241)
at fr.lip6.move.gal.application.runner.ltsmin.LTSminRunner$1.checkProperties(LTSminRunner.java:176)
at fr.lip6.move.gal.application.runner.ltsmin.LTSminRunner$1.run(LTSminRunner.java:114)
at java.base/java.lang.Thread.run(Thread.java:1583)

BK_TIME_CONFINEMENT_REACHED

--------------------
content from stderr:

+ export BINDIR=/home/mcc/BenchKit/bin//../itstools/bin//../
+ BINDIR=/home/mcc/BenchKit/bin//../itstools/bin//../
++ pwd
+ export MODEL=/home/mcc/execution
+ MODEL=/home/mcc/execution
+ [[ LTLFireability = StateSpace ]]
+ /home/mcc/BenchKit/bin//../itstools/bin//..//runeclipse.sh /home/mcc/execution LTLFireability -its -ltsmin -greatspnpath /home/mcc/BenchKit/bin//../itstools/bin//..//greatspn/ -order META -manyOrder -smt -timeout 3600
+ ulimit -s 65536
+ [[ -z '' ]]
+ export LTSMIN_MEM_SIZE=8589934592
+ LTSMIN_MEM_SIZE=8589934592
++ 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 LTLFireability -its -ltsmin -greatspnpath /home/mcc/BenchKit/bin//../itstools/bin//..//greatspn/ -order META -manyOrder -smt -timeout 3600