Execution Chart

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

Trace from the execution

Formatting '/data/fkordon/mcc2025-input.r212-tall-174901994400444.qcow2', fmt=qcow2 size=4294967296 backing_file=/data/fkordon/mcc2025-input.qcow2 backing_fmt=qcow2 cluster_size=65536 lazy_refcounts=off refcount_bits=16
Waiting for the VM to be ready (probing ssh)
...............
=====================================================================
Generated by BenchKit 2-5832
Executing tool itstools
Input is SieveSingleMsgMbox-PT-d1m96, examination is LTLFireability
Time confinement is 3600 seconds
Memory confinement is 16384 MBytes
Number of cores is 4
Run identifier is r212-tall-174901994400444
=====================================================================

--------------------
preparation of the directory to be used:
/home/mcc/execution
total 892K
-rw-r--r-- 1 mcc users 6.6K May 29 14:47 CTLCardinality.txt
-rw-r--r-- 1 mcc users 67K May 29 14:47 CTLCardinality.xml
-rw-r--r-- 1 mcc users 5.4K May 29 14:47 CTLFireability.txt
-rw-r--r-- 1 mcc users 48K May 29 14:47 CTLFireability.xml
-rw-r--r-- 1 mcc users 3.5K May 29 14:47 LTLCardinality.txt
-rw-r--r-- 1 mcc users 25K May 29 14:47 LTLCardinality.xml
-rw-r--r-- 1 mcc users 2.4K May 29 14:47 LTLFireability.txt
-rw-r--r-- 1 mcc users 20K May 29 14:47 LTLFireability.xml
-rw-r--r-- 1 mcc users 13K May 29 14:47 ReachabilityCardinality.txt
-rw-r--r-- 1 mcc users 127K May 29 14:47 ReachabilityCardinality.xml
-rw-r--r-- 1 mcc users 8.9K May 29 14:47 ReachabilityFireability.txt
-rw-r--r-- 1 mcc users 76K May 29 14:47 ReachabilityFireability.xml
-rw-r--r-- 1 mcc users 1.8K May 29 14:47 UpperBounds.txt
-rw-r--r-- 1 mcc users 4.0K May 29 14:47 UpperBounds.xml
-rw-r--r-- 1 mcc users 6 May 29 14:33 equiv_col
-rw-r--r-- 1 mcc users 6 May 29 14:33 instance
-rw-r--r-- 1 mcc users 6 May 29 14:33 iscolored
-rw-r--r-- 1 mcc users 450K May 29 14:33 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 SieveSingleMsgMbox-PT-d1m96-LTLFireability-00
FORMULA_NAME SieveSingleMsgMbox-PT-d1m96-LTLFireability-01
FORMULA_NAME SieveSingleMsgMbox-PT-d1m96-LTLFireability-02
FORMULA_NAME SieveSingleMsgMbox-PT-d1m96-LTLFireability-03
FORMULA_NAME SieveSingleMsgMbox-PT-d1m96-LTLFireability-04
FORMULA_NAME SieveSingleMsgMbox-PT-d1m96-LTLFireability-05
FORMULA_NAME SieveSingleMsgMbox-PT-d1m96-LTLFireability-06
FORMULA_NAME SieveSingleMsgMbox-PT-d1m96-LTLFireability-07
FORMULA_NAME SieveSingleMsgMbox-PT-d1m96-LTLFireability-08
FORMULA_NAME SieveSingleMsgMbox-PT-d1m96-LTLFireability-09
FORMULA_NAME SieveSingleMsgMbox-PT-d1m96-LTLFireability-10
FORMULA_NAME SieveSingleMsgMbox-PT-d1m96-LTLFireability-11
FORMULA_NAME SieveSingleMsgMbox-PT-d1m96-LTLFireability-12
FORMULA_NAME SieveSingleMsgMbox-PT-d1m96-LTLFireability-13
FORMULA_NAME SieveSingleMsgMbox-PT-d1m96-LTLFireability-14
FORMULA_NAME SieveSingleMsgMbox-PT-d1m96-LTLFireability-15

=== Now, execution of the tool begins

BK_START 1749174075684

Invoking MCC driver with
BK_TOOL=itstools
BK_EXAMINATION=LTLFireability
BK_BIN_PATH=/home/mcc/BenchKit/bin/
BK_TIME_CONFINEMENT=3600
BK_INPUT=SieveSingleMsgMbox-PT-d1m96
BK_MEMORY_CONFINEMENT=16384
Not applying reductions.
Model is PT
LTLFireability PT
Running Version 202505121319
[2025-06-06 01:41:16] [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]
[2025-06-06 01:41:16] [INFO ] Parsing pnml file : /home/mcc/execution/model.pnml
[2025-06-06 01:41:17] [INFO ] Load time of PNML (sax parser for PT used): 109 ms
[2025-06-06 01:41:17] [INFO ] Transformed 1295 places.
[2025-06-06 01:41:17] [INFO ] Transformed 749 transitions.
[2025-06-06 01:41:17] [INFO ] Parsed PT model containing 1295 places and 749 transitions and 2996 arcs in 197 ms.
Parsed 16 properties from file /home/mcc/execution/LTLFireability.xml in 10 ms.
Working with output stream class java.io.PrintStream
Initial state reduction rules removed 3 formulas.
Deduced a syphon composed of 1036 places in 9 ms
Reduce places removed 1036 places and 0 transitions.
FORMULA SieveSingleMsgMbox-PT-d1m96-LTLFireability-06 TRUE TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA SieveSingleMsgMbox-PT-d1m96-LTLFireability-12 FALSE TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA SieveSingleMsgMbox-PT-d1m96-LTLFireability-15 TRUE TECHNIQUES TOPOLOGICAL INITIAL_STATE
Support contains 24 out of 259 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 259/259 places, 749/749 transitions.
Reduce places removed 17 places and 0 transitions.
Ensure Unique test removed 240 transitions
Reduce isomorphic transitions removed 240 transitions.
Iterating post reduction 0 with 257 rules applied. Total rules applied 257 place count 242 transition count 509
Discarding 45 places :
Symmetric choice reduction at 1 with 45 rule applications. Total rules 302 place count 197 transition count 406
Iterating global reduction 1 with 45 rules applied. Total rules applied 347 place count 197 transition count 406
Ensure Unique test removed 8 transitions
Reduce isomorphic transitions removed 8 transitions.
Iterating post reduction 1 with 8 rules applied. Total rules applied 355 place count 197 transition count 398
Discarding 27 places :
Symmetric choice reduction at 2 with 27 rule applications. Total rules 382 place count 170 transition count 371
Iterating global reduction 2 with 27 rules applied. Total rules applied 409 place count 170 transition count 371
Ensure Unique test removed 8 transitions
Reduce isomorphic transitions removed 8 transitions.
Iterating post reduction 2 with 8 rules applied. Total rules applied 417 place count 170 transition count 363
Discarding 13 places :
Symmetric choice reduction at 3 with 13 rule applications. Total rules 430 place count 157 transition count 349
Iterating global reduction 3 with 13 rules applied. Total rules applied 443 place count 157 transition count 349
Ensure Unique test removed 48 transitions
Reduce isomorphic transitions removed 48 transitions.
Iterating post reduction 3 with 48 rules applied. Total rules applied 491 place count 157 transition count 301
Discarding 3 places :
Symmetric choice reduction at 4 with 3 rule applications. Total rules 494 place count 154 transition count 297
Iterating global reduction 4 with 3 rules applied. Total rules applied 497 place count 154 transition count 297
Discarding 2 places :
Symmetric choice reduction at 4 with 2 rule applications. Total rules 499 place count 152 transition count 295
Iterating global reduction 4 with 2 rules applied. Total rules applied 501 place count 152 transition count 295
Applied a total of 501 rules in 77 ms. Remains 152 /259 variables (removed 107) and now considering 295/749 (removed 454) transitions.
// Phase 1: matrix 295 rows 152 cols
[2025-06-06 01:41:17] [INFO ] Computed 5 invariants in 20 ms
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-06 01:41:17] [INFO ] Implicit Places using invariants in 270 ms returned []
[2025-06-06 01:41:17] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-06 01:41:17] [INFO ] State equation strengthened by 189 read => feed constraints.
[2025-06-06 01:41:18] [INFO ] Implicit Places using invariants and state equation in 1245 ms returned []
Implicit Place search using SMT with State Equation took 1545 ms to find 0 implicit places.
Running 294 sub problems to find dead transitions.
[2025-06-06 01:41:18] [INFO ] Invariant cache hit.
[2025-06-06 01:41:18] [INFO ] State equation strengthened by 189 read => feed constraints.
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/151 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 294 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/151 variables, 3/4 constraints. Problems are: Problem set: 0 solved, 294 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/151 variables, 0/4 constraints. Problems are: Problem set: 0 solved, 294 unsolved
At refinement iteration 3 (OVERLAPS) 1/152 variables, 1/5 constraints. Problems are: Problem set: 0 solved, 294 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-06 01:41:23] [INFO ] Deduced a trap composed of 49 places in 82 ms of which 12 ms to minimize.
At refinement iteration 4 (INCLUDED_ONLY) 0/152 variables, 1/6 constraints. Problems are: Problem set: 0 solved, 294 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-06 01:41:24] [INFO ] Deduced a trap composed of 49 places in 55 ms of which 5 ms to minimize.
At refinement iteration 5 (INCLUDED_ONLY) 0/152 variables, 1/7 constraints. Problems are: Problem set: 0 solved, 294 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/152 variables, 0/7 constraints. Problems are: Problem set: 0 solved, 294 unsolved
At refinement iteration 7 (OVERLAPS) 295/447 variables, 152/159 constraints. Problems are: Problem set: 0 solved, 294 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/447 variables, 189/348 constraints. Problems are: Problem set: 0 solved, 294 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-06 01:41:33] [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
[2025-06-06 01:41:33] [INFO ] Deduced a trap composed of 51 places in 41 ms of which 2 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-06 01:41:35] [INFO ] Deduced a trap composed of 47 places in 71 ms of which 7 ms to minimize.
At refinement iteration 9 (INCLUDED_ONLY) 0/447 variables, 3/351 constraints. Problems are: Problem set: 0 solved, 294 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/447 variables, 0/351 constraints. Problems are: Problem set: 0 solved, 294 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Real declared 447/447 variables, and 351 constraints, problems are : Problem set: 0 solved, 294 unsolved in 30029 ms.
Refiners :[Positive P Invariants (semi-flows): 2/2 constraints, Generalized P Invariants (flows): 3/3 constraints, State Equation: 152/152 constraints, ReadFeed: 189/189 constraints, PredecessorRefiner: 294/294 constraints, Known Traps: 5/5 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 294 unsolved
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/151 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 294 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/151 variables, 3/4 constraints. Problems are: Problem set: 0 solved, 294 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/151 variables, 0/4 constraints. Problems are: Problem set: 0 solved, 294 unsolved
At refinement iteration 3 (OVERLAPS) 1/152 variables, 1/5 constraints. Problems are: Problem set: 0 solved, 294 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/152 variables, 5/10 constraints. Problems are: Problem set: 0 solved, 294 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/152 variables, 0/10 constraints. Problems are: Problem set: 0 solved, 294 unsolved
At refinement iteration 6 (OVERLAPS) 295/447 variables, 152/162 constraints. Problems are: Problem set: 0 solved, 294 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/447 variables, 189/351 constraints. Problems are: Problem set: 0 solved, 294 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/447 variables, 294/645 constraints. Problems are: Problem set: 0 solved, 294 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-06 01:42:05] [INFO ] Deduced a trap composed of 58 places in 55 ms of which 4 ms to minimize.
At refinement iteration 9 (INCLUDED_ONLY) 0/447 variables, 1/646 constraints. Problems are: Problem set: 0 solved, 294 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 447/447 variables, and 646 constraints, problems are : Problem set: 0 solved, 294 unsolved in 30014 ms.
Refiners :[Positive P Invariants (semi-flows): 2/2 constraints, Generalized P Invariants (flows): 3/3 constraints, State Equation: 152/152 constraints, ReadFeed: 189/189 constraints, PredecessorRefiner: 294/294 constraints, Known Traps: 6/6 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 60483ms problems are : Problem set: 0 solved, 294 unsolved
Search for dead transitions found 0 dead transitions in 60496ms
Starting structural reductions in LTL mode, iteration 1 : 152/259 places, 295/749 transitions.
Finished structural reductions in LTL mode , in 1 iterations and 62151 ms. Remains : 152/259 places, 295/749 transitions.
Support contains 24 out of 152 places after structural reductions.
[2025-06-06 01:42:19] [INFO ] Flatten gal took : 39 ms
[2025-06-06 01:42:19] [INFO ] Flatten gal took : 19 ms
[2025-06-06 01:42:19] [INFO ] Input system was already deterministic with 295 transitions.
Support contains 23 out of 152 places (down from 24) after GAL structural reductions.
Reduction of identical properties reduced properties to check from 27 to 25
RANDOM walk for 40000 steps (9025 resets) in 2543 ms. (15 steps per ms) remains 25/25 properties
BEST_FIRST walk for 4003 steps (196 resets) in 60 ms. (65 steps per ms) remains 25/25 properties
BEST_FIRST walk for 4003 steps (175 resets) in 70 ms. (56 steps per ms) remains 25/25 properties
BEST_FIRST walk for 4000 steps (197 resets) in 67 ms. (58 steps per ms) remains 25/25 properties
BEST_FIRST walk for 4001 steps (189 resets) in 47 ms. (83 steps per ms) remains 25/25 properties
BEST_FIRST walk for 4002 steps (192 resets) in 17 ms. (222 steps per ms) remains 25/25 properties
BEST_FIRST walk for 4000 steps (175 resets) in 29 ms. (133 steps per ms) remains 25/25 properties
BEST_FIRST walk for 4001 steps (213 resets) in 37 ms. (105 steps per ms) remains 25/25 properties
BEST_FIRST walk for 4001 steps (193 resets) in 25 ms. (153 steps per ms) remains 25/25 properties
BEST_FIRST walk for 4003 steps (213 resets) in 20 ms. (190 steps per ms) remains 25/25 properties
BEST_FIRST walk for 4001 steps (186 resets) in 20 ms. (190 steps per ms) remains 25/25 properties
BEST_FIRST walk for 4004 steps (168 resets) in 18 ms. (210 steps per ms) remains 25/25 properties
BEST_FIRST walk for 4003 steps (194 resets) in 18 ms. (210 steps per ms) remains 25/25 properties
BEST_FIRST walk for 4004 steps (200 resets) in 21 ms. (182 steps per ms) remains 25/25 properties
BEST_FIRST walk for 4004 steps (199 resets) in 20 ms. (190 steps per ms) remains 25/25 properties
BEST_FIRST walk for 4002 steps (181 resets) in 99 ms. (40 steps per ms) remains 24/25 properties
BEST_FIRST walk for 4002 steps (182 resets) in 67 ms. (58 steps per ms) remains 24/24 properties
BEST_FIRST walk for 4003 steps (197 resets) in 45 ms. (87 steps per ms) remains 24/24 properties
BEST_FIRST walk for 4000 steps (184 resets) in 45 ms. (86 steps per ms) remains 24/24 properties
BEST_FIRST walk for 4002 steps (209 resets) in 32 ms. (121 steps per ms) remains 24/24 properties
BEST_FIRST walk for 4003 steps (181 resets) in 26 ms. (148 steps per ms) remains 24/24 properties
BEST_FIRST walk for 4001 steps (396 resets) in 20 ms. (190 steps per ms) remains 24/24 properties
BEST_FIRST walk for 4003 steps (188 resets) in 16 ms. (235 steps per ms) remains 24/24 properties
BEST_FIRST walk for 4000 steps (214 resets) in 16 ms. (235 steps per ms) remains 24/24 properties
BEST_FIRST walk for 4002 steps (189 resets) in 21 ms. (181 steps per ms) remains 24/24 properties
BEST_FIRST walk for 4003 steps (207 resets) in 23 ms. (166 steps per ms) remains 24/24 properties
Interrupted probabilistic random walk after 277395 steps, run timeout after 3001 ms. (steps per millisecond=92 ) properties seen :12 out of 24
Probabilistic random walk after 277395 steps, saw 129921 distinct states, run finished after 3005 ms. (steps per millisecond=92 ) properties seen :12
[2025-06-06 01:42:23] [INFO ] Invariant cache hit.
[2025-06-06 01:42:23] [INFO ] State equation strengthened by 189 read => feed constraints.
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
All remaining problems are real, not stopping.
At refinement iteration 0 (INCLUDED_ONLY) 0/15 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 12 unsolved
At refinement iteration 1 (OVERLAPS) 68/83 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 12 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/83 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 12 unsolved
At refinement iteration 3 (OVERLAPS) 8/91 variables, 1/2 constraints. Problems are: Problem set: 0 solved, 12 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/91 variables, 0/2 constraints. Problems are: Problem set: 0 solved, 12 unsolved
At refinement iteration 5 (OVERLAPS) 36/127 variables, 3/5 constraints. Problems are: Problem set: 0 solved, 12 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/127 variables, 0/5 constraints. Problems are: Problem set: 0 solved, 12 unsolved
At refinement iteration 7 (OVERLAPS) 238/365 variables, 127/132 constraints. Problems are: Problem set: 0 solved, 12 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/365 variables, 132/264 constraints. Problems are: Problem set: 0 solved, 12 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/365 variables, 0/264 constraints. Problems are: Problem set: 0 solved, 12 unsolved
Problem AtomicPropp21 is UNSAT
Problem AtomicPropp26 is UNSAT
At refinement iteration 10 (OVERLAPS) 82/447 variables, 25/289 constraints. Problems are: Problem set: 2 solved, 10 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/447 variables, 57/346 constraints. Problems are: Problem set: 2 solved, 10 unsolved
At refinement iteration 12 (INCLUDED_ONLY) 0/447 variables, 0/346 constraints. Problems are: Problem set: 2 solved, 10 unsolved
At refinement iteration 13 (OVERLAPS) 0/447 variables, 0/346 constraints. Problems are: Problem set: 2 solved, 10 unsolved
No progress, stopping.
After SMT solving in domain Real declared 447/447 variables, and 346 constraints, problems are : Problem set: 2 solved, 10 unsolved in 1082 ms.
Refiners :[Positive P Invariants (semi-flows): 2/2 constraints, Generalized P Invariants (flows): 3/3 constraints, State Equation: 152/152 constraints, ReadFeed: 189/189 constraints, PredecessorRefiner: 12/12 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 2 solved, 10 unsolved
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/13 variables, 0/0 constraints. Problems are: Problem set: 2 solved, 10 unsolved
At refinement iteration 1 (OVERLAPS) 68/81 variables, 1/1 constraints. Problems are: Problem set: 2 solved, 10 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/81 variables, 0/1 constraints. Problems are: Problem set: 2 solved, 10 unsolved
At refinement iteration 3 (OVERLAPS) 8/89 variables, 1/2 constraints. Problems are: Problem set: 2 solved, 10 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/89 variables, 0/2 constraints. Problems are: Problem set: 2 solved, 10 unsolved
At refinement iteration 5 (OVERLAPS) 36/125 variables, 3/5 constraints. Problems are: Problem set: 2 solved, 10 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-06 01:42:25] [INFO ] Deduced a trap composed of 45 places in 66 ms of which 12 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-06 01:42:25] [INFO ] Deduced a trap composed of 46 places in 60 ms of which 11 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-06 01:42:25] [INFO ] Deduced a trap composed of 46 places in 56 ms of which 9 ms to minimize.
At refinement iteration 6 (INCLUDED_ONLY) 0/125 variables, 3/8 constraints. Problems are: Problem set: 2 solved, 10 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/125 variables, 0/8 constraints. Problems are: Problem set: 2 solved, 10 unsolved
At refinement iteration 8 (OVERLAPS) 218/343 variables, 125/133 constraints. Problems are: Problem set: 2 solved, 10 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/343 variables, 112/245 constraints. Problems are: Problem set: 2 solved, 10 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/343 variables, 1/246 constraints. Problems are: Problem set: 2 solved, 10 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/343 variables, 0/246 constraints. Problems are: Problem set: 2 solved, 10 unsolved
At refinement iteration 12 (OVERLAPS) 104/447 variables, 27/273 constraints. Problems are: Problem set: 2 solved, 10 unsolved
At refinement iteration 13 (INCLUDED_ONLY) 0/447 variables, 77/350 constraints. Problems are: Problem set: 2 solved, 10 unsolved
At refinement iteration 14 (INCLUDED_ONLY) 0/447 variables, 9/359 constraints. Problems are: Problem set: 2 solved, 10 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-06 01:42:26] [INFO ] Deduced a trap composed of 21 places in 51 ms of which 5 ms to minimize.
At refinement iteration 15 (INCLUDED_ONLY) 0/447 variables, 1/360 constraints. Problems are: Problem set: 2 solved, 10 unsolved
At refinement iteration 16 (INCLUDED_ONLY) 0/447 variables, 0/360 constraints. Problems are: Problem set: 2 solved, 10 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 447/447 variables, and 360 constraints, problems are : Problem set: 2 solved, 10 unsolved in 5010 ms.
Refiners :[Positive P Invariants (semi-flows): 2/2 constraints, Generalized P Invariants (flows): 3/3 constraints, State Equation: 152/152 constraints, ReadFeed: 189/189 constraints, PredecessorRefiner: 10/12 constraints, Known Traps: 4/4 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 6116ms problems are : Problem set: 2 solved, 10 unsolved
Skipping Parikh replay, no witness traces provided.
Support contains 13 out of 152 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 152/152 places, 295/295 transitions.
Graph (complete) has 532 edges and 152 vertex of which 151 are kept as prefixes of interest. Removing 1 places using SCC suffix rule.6 ms
Discarding 1 places :
Also discarding 0 output transitions
Drop transitions (Empty/Sink Transition effects.) removed 2 transitions
Reduce isomorphic transitions removed 2 transitions.
Iterating post reduction 0 with 2 rules applied. Total rules applied 3 place count 151 transition count 293
Discarding 10 places :
Symmetric choice reduction at 1 with 10 rule applications. Total rules 13 place count 141 transition count 228
Iterating global reduction 1 with 10 rules applied. Total rules applied 23 place count 141 transition count 228
Ensure Unique test removed 8 transitions
Reduce isomorphic transitions removed 8 transitions.
Iterating post reduction 1 with 8 rules applied. Total rules applied 31 place count 141 transition count 220
Discarding 9 places :
Symmetric choice reduction at 2 with 9 rule applications. Total rules 40 place count 132 transition count 211
Iterating global reduction 2 with 9 rules applied. Total rules applied 49 place count 132 transition count 211
Ensure Unique test removed 3 transitions
Reduce isomorphic transitions removed 3 transitions.
Iterating post reduction 2 with 3 rules applied. Total rules applied 52 place count 132 transition count 208
Discarding 7 places :
Symmetric choice reduction at 3 with 7 rule applications. Total rules 59 place count 125 transition count 200
Iterating global reduction 3 with 7 rules applied. Total rules applied 66 place count 125 transition count 200
Ensure Unique test removed 3 transitions
Reduce isomorphic transitions removed 3 transitions.
Iterating post reduction 3 with 3 rules applied. Total rules applied 69 place count 125 transition count 197
Discarding 2 places :
Symmetric choice reduction at 4 with 2 rule applications. Total rules 71 place count 123 transition count 194
Iterating global reduction 4 with 2 rules applied. Total rules applied 73 place count 123 transition count 194
Discarding 2 places :
Symmetric choice reduction at 4 with 2 rule applications. Total rules 75 place count 121 transition count 192
Iterating global reduction 4 with 2 rules applied. Total rules applied 77 place count 121 transition count 192
Discarding 1 places :
Symmetric choice reduction at 4 with 1 rule applications. Total rules 78 place count 120 transition count 191
Iterating global reduction 4 with 1 rules applied. Total rules applied 79 place count 120 transition count 191
Ensure Unique test removed 8 transitions
Reduce isomorphic transitions removed 8 transitions.
Iterating post reduction 4 with 8 rules applied. Total rules applied 87 place count 120 transition count 183
Discarding 1 places :
Symmetric choice reduction at 5 with 1 rule applications. Total rules 88 place count 119 transition count 182
Iterating global reduction 5 with 1 rules applied. Total rules applied 89 place count 119 transition count 182
Applied a total of 89 rules in 55 ms. Remains 119 /152 variables (removed 33) and now considering 182/295 (removed 113) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 55 ms. Remains : 119/152 places, 182/295 transitions.
RANDOM walk for 40000 steps (8923 resets) in 535 ms. (74 steps per ms) remains 10/10 properties
BEST_FIRST walk for 40002 steps (1932 resets) in 113 ms. (350 steps per ms) remains 10/10 properties
BEST_FIRST walk for 40003 steps (1872 resets) in 125 ms. (317 steps per ms) remains 10/10 properties
BEST_FIRST walk for 40003 steps (1952 resets) in 147 ms. (270 steps per ms) remains 10/10 properties
BEST_FIRST walk for 40002 steps (1926 resets) in 123 ms. (322 steps per ms) remains 10/10 properties
BEST_FIRST walk for 40004 steps (1916 resets) in 111 ms. (357 steps per ms) remains 10/10 properties
BEST_FIRST walk for 40002 steps (1889 resets) in 143 ms. (277 steps per ms) remains 10/10 properties
BEST_FIRST walk for 40004 steps (1919 resets) in 137 ms. (289 steps per ms) remains 10/10 properties
BEST_FIRST walk for 40001 steps (4140 resets) in 175 ms. (227 steps per ms) remains 10/10 properties
BEST_FIRST walk for 40002 steps (1905 resets) in 139 ms. (285 steps per ms) remains 10/10 properties
BEST_FIRST walk for 40003 steps (1955 resets) in 110 ms. (360 steps per ms) remains 10/10 properties
Interrupted probabilistic random walk after 355954 steps, run timeout after 3001 ms. (steps per millisecond=118 ) properties seen :0 out of 10
Probabilistic random walk after 355954 steps, saw 161428 distinct states, run finished after 3002 ms. (steps per millisecond=118 ) properties seen :0
// Phase 1: matrix 182 rows 119 cols
[2025-06-06 01:42:33] [INFO ] Computed 4 invariants in 6 ms
[2025-06-06 01:42:33] [INFO ] State equation strengthened by 100 read => feed constraints.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/13 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 10 unsolved
At refinement iteration 1 (OVERLAPS) 56/69 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 10 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/69 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 10 unsolved
At refinement iteration 3 (OVERLAPS) 8/77 variables, 1/2 constraints. Problems are: Problem set: 0 solved, 10 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/77 variables, 0/2 constraints. Problems are: Problem set: 0 solved, 10 unsolved
At refinement iteration 5 (OVERLAPS) 8/85 variables, 2/4 constraints. Problems are: Problem set: 0 solved, 10 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/85 variables, 0/4 constraints. Problems are: Problem set: 0 solved, 10 unsolved
At refinement iteration 7 (OVERLAPS) 171/256 variables, 85/89 constraints. Problems are: Problem set: 0 solved, 10 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/256 variables, 89/178 constraints. Problems are: Problem set: 0 solved, 10 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/256 variables, 0/178 constraints. Problems are: Problem set: 0 solved, 10 unsolved
At refinement iteration 10 (OVERLAPS) 45/301 variables, 34/212 constraints. Problems are: Problem set: 0 solved, 10 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/301 variables, 11/223 constraints. Problems are: Problem set: 0 solved, 10 unsolved
All remaining problems are real, not stopping.
At refinement iteration 12 (INCLUDED_ONLY) 0/301 variables, 0/223 constraints. Problems are: Problem set: 0 solved, 10 unsolved
At refinement iteration 13 (OVERLAPS) 0/301 variables, 0/223 constraints. Problems are: Problem set: 0 solved, 10 unsolved
No progress, stopping.
After SMT solving in domain Real declared 301/301 variables, and 223 constraints, problems are : Problem set: 0 solved, 10 unsolved in 814 ms.
Refiners :[Positive P Invariants (semi-flows): 2/2 constraints, Generalized P Invariants (flows): 2/2 constraints, State Equation: 119/119 constraints, ReadFeed: 100/100 constraints, PredecessorRefiner: 10/10 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 10 unsolved
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/13 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 10 unsolved
At refinement iteration 1 (OVERLAPS) 56/69 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 10 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/69 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 10 unsolved
At refinement iteration 3 (OVERLAPS) 8/77 variables, 1/2 constraints. Problems are: Problem set: 0 solved, 10 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/77 variables, 0/2 constraints. Problems are: Problem set: 0 solved, 10 unsolved
At refinement iteration 5 (OVERLAPS) 8/85 variables, 2/4 constraints. Problems are: Problem set: 0 solved, 10 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-06 01:42:34] [INFO ] Deduced a trap composed of 25 places in 28 ms of which 3 ms to minimize.
At refinement iteration 6 (INCLUDED_ONLY) 0/85 variables, 1/5 constraints. Problems are: Problem set: 0 solved, 10 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/85 variables, 0/5 constraints. Problems are: Problem set: 0 solved, 10 unsolved
At refinement iteration 8 (OVERLAPS) 171/256 variables, 85/90 constraints. Problems are: Problem set: 0 solved, 10 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/256 variables, 89/179 constraints. Problems are: Problem set: 0 solved, 10 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/256 variables, 0/179 constraints. Problems are: Problem set: 0 solved, 10 unsolved
At refinement iteration 11 (OVERLAPS) 45/301 variables, 34/213 constraints. Problems are: Problem set: 0 solved, 10 unsolved
At refinement iteration 12 (INCLUDED_ONLY) 0/301 variables, 11/224 constraints. Problems are: Problem set: 0 solved, 10 unsolved
At refinement iteration 13 (INCLUDED_ONLY) 0/301 variables, 10/234 constraints. Problems are: Problem set: 0 solved, 10 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-06 01:42:35] [INFO ] Deduced a trap composed of 44 places in 42 ms of which 3 ms to minimize.
At refinement iteration 14 (INCLUDED_ONLY) 0/301 variables, 1/235 constraints. Problems are: Problem set: 0 solved, 10 unsolved
At refinement iteration 15 (INCLUDED_ONLY) 0/301 variables, 0/235 constraints. Problems are: Problem set: 0 solved, 10 unsolved
At refinement iteration 16 (OVERLAPS) 0/301 variables, 0/235 constraints. Problems are: Problem set: 0 solved, 10 unsolved
No progress, stopping.
After SMT solving in domain Int declared 301/301 variables, and 235 constraints, problems are : Problem set: 0 solved, 10 unsolved in 4265 ms.
Refiners :[Positive P Invariants (semi-flows): 2/2 constraints, Generalized P Invariants (flows): 2/2 constraints, State Equation: 119/119 constraints, ReadFeed: 100/100 constraints, PredecessorRefiner: 10/10 constraints, Known Traps: 2/2 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 5100ms problems are : Problem set: 0 solved, 10 unsolved
Fused 10 Parikh solutions to 8 different solutions.
Parikh walk visited 1 properties in 35817 ms.
Support contains 13 out of 119 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 119/119 places, 182/182 transitions.
Applied a total of 0 rules in 12 ms. Remains 119 /119 variables (removed 0) and now considering 182/182 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 13 ms. Remains : 119/119 places, 182/182 transitions.
RANDOM walk for 40000 steps (8926 resets) in 280 ms. (142 steps per ms) remains 9/9 properties
BEST_FIRST walk for 40003 steps (1977 resets) in 100 ms. (396 steps per ms) remains 9/9 properties
BEST_FIRST walk for 40004 steps (1843 resets) in 104 ms. (380 steps per ms) remains 9/9 properties
BEST_FIRST walk for 40003 steps (1924 resets) in 98 ms. (404 steps per ms) remains 9/9 properties
BEST_FIRST walk for 40001 steps (1922 resets) in 80 ms. (493 steps per ms) remains 9/9 properties
BEST_FIRST walk for 40002 steps (1895 resets) in 118 ms. (336 steps per ms) remains 9/9 properties
BEST_FIRST walk for 40002 steps (1952 resets) in 114 ms. (347 steps per ms) remains 9/9 properties
BEST_FIRST walk for 40003 steps (1855 resets) in 113 ms. (350 steps per ms) remains 9/9 properties
BEST_FIRST walk for 40001 steps (1855 resets) in 70 ms. (563 steps per ms) remains 9/9 properties
BEST_FIRST walk for 40002 steps (1901 resets) in 48 ms. (816 steps per ms) remains 9/9 properties
Interrupted probabilistic random walk after 390427 steps, run timeout after 3001 ms. (steps per millisecond=130 ) properties seen :0 out of 9
Probabilistic random walk after 390427 steps, saw 176324 distinct states, run finished after 3001 ms. (steps per millisecond=130 ) properties seen :0
[2025-06-06 01:43:17] [INFO ] Invariant cache hit.
[2025-06-06 01:43:17] [INFO ] State equation strengthened by 100 read => feed constraints.
Starting Z3 with timeout 75.0 s and query timeout 7500.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/13 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 9 unsolved
At refinement iteration 1 (OVERLAPS) 56/69 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 9 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/69 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 9 unsolved
At refinement iteration 3 (OVERLAPS) 8/77 variables, 1/2 constraints. Problems are: Problem set: 0 solved, 9 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/77 variables, 0/2 constraints. Problems are: Problem set: 0 solved, 9 unsolved
At refinement iteration 5 (OVERLAPS) 8/85 variables, 2/4 constraints. Problems are: Problem set: 0 solved, 9 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/85 variables, 0/4 constraints. Problems are: Problem set: 0 solved, 9 unsolved
At refinement iteration 7 (OVERLAPS) 171/256 variables, 85/89 constraints. Problems are: Problem set: 0 solved, 9 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/256 variables, 89/178 constraints. Problems are: Problem set: 0 solved, 9 unsolved
All remaining problems are real, not stopping.
At refinement iteration 9 (INCLUDED_ONLY) 0/256 variables, 0/178 constraints. Problems are: Problem set: 0 solved, 9 unsolved
At refinement iteration 10 (OVERLAPS) 45/301 variables, 34/212 constraints. Problems are: Problem set: 0 solved, 9 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/301 variables, 11/223 constraints. Problems are: Problem set: 0 solved, 9 unsolved
At refinement iteration 12 (INCLUDED_ONLY) 0/301 variables, 0/223 constraints. Problems are: Problem set: 0 solved, 9 unsolved
At refinement iteration 13 (OVERLAPS) 0/301 variables, 0/223 constraints. Problems are: Problem set: 0 solved, 9 unsolved
No progress, stopping.
After SMT solving in domain Real declared 301/301 variables, and 223 constraints, problems are : Problem set: 0 solved, 9 unsolved in 721 ms.
Refiners :[Positive P Invariants (semi-flows): 2/2 constraints, Generalized P Invariants (flows): 2/2 constraints, State Equation: 119/119 constraints, ReadFeed: 100/100 constraints, PredecessorRefiner: 9/9 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 9 unsolved
Starting Z3 with timeout 75.0 s and query timeout 7500.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/13 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 9 unsolved
At refinement iteration 1 (OVERLAPS) 56/69 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 9 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/69 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 9 unsolved
At refinement iteration 3 (OVERLAPS) 8/77 variables, 1/2 constraints. Problems are: Problem set: 0 solved, 9 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/77 variables, 0/2 constraints. Problems are: Problem set: 0 solved, 9 unsolved
At refinement iteration 5 (OVERLAPS) 8/85 variables, 2/4 constraints. Problems are: Problem set: 0 solved, 9 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/85 variables, 0/4 constraints. Problems are: Problem set: 0 solved, 9 unsolved
At refinement iteration 7 (OVERLAPS) 171/256 variables, 85/89 constraints. Problems are: Problem set: 0 solved, 9 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/256 variables, 89/178 constraints. Problems are: Problem set: 0 solved, 9 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/256 variables, 0/178 constraints. Problems are: Problem set: 0 solved, 9 unsolved
At refinement iteration 10 (OVERLAPS) 45/301 variables, 34/212 constraints. Problems are: Problem set: 0 solved, 9 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/301 variables, 11/223 constraints. Problems are: Problem set: 0 solved, 9 unsolved
At refinement iteration 12 (INCLUDED_ONLY) 0/301 variables, 9/232 constraints. Problems are: Problem set: 0 solved, 9 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-06 01:43:19] [INFO ] Deduced a trap composed of 44 places in 42 ms of which 3 ms to minimize.
At refinement iteration 13 (INCLUDED_ONLY) 0/301 variables, 1/233 constraints. Problems are: Problem set: 0 solved, 9 unsolved
At refinement iteration 14 (INCLUDED_ONLY) 0/301 variables, 0/233 constraints. Problems are: Problem set: 0 solved, 9 unsolved
At refinement iteration 15 (OVERLAPS) 0/301 variables, 0/233 constraints. Problems are: Problem set: 0 solved, 9 unsolved
No progress, stopping.
After SMT solving in domain Int declared 301/301 variables, and 233 constraints, problems are : Problem set: 0 solved, 9 unsolved in 4185 ms.
Refiners :[Positive P Invariants (semi-flows): 2/2 constraints, Generalized P Invariants (flows): 2/2 constraints, State Equation: 119/119 constraints, ReadFeed: 100/100 constraints, PredecessorRefiner: 9/9 constraints, Known Traps: 1/1 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 4919ms problems are : Problem set: 0 solved, 9 unsolved
Fused 9 Parikh solutions to 7 different solutions.
Parikh walk visited 0 properties in 3392 ms.
Support contains 13 out of 119 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 119/119 places, 182/182 transitions.
Applied a total of 0 rules in 8 ms. Remains 119 /119 variables (removed 0) and now considering 182/182 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 8 ms. Remains : 119/119 places, 182/182 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 119/119 places, 182/182 transitions.
Applied a total of 0 rules in 6 ms. Remains 119 /119 variables (removed 0) and now considering 182/182 (removed 0) transitions.
[2025-06-06 01:43:26] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-06 01:43:26] [INFO ] Implicit Places using invariants in 66 ms returned []
[2025-06-06 01:43:26] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-06 01:43:26] [INFO ] State equation strengthened by 100 read => feed constraints.
[2025-06-06 01:43:26] [INFO ] Implicit Places using invariants and state equation in 371 ms returned []
Implicit Place search using SMT with State Equation took 439 ms to find 0 implicit places.
Starting Z3 with timeout 200.0 s and query timeout 20000.0 ms
[2025-06-06 01:43:26] [INFO ] Redundant transitions in 9 ms returned []
Running 181 sub problems to find dead transitions.
[2025-06-06 01:43:26] [INFO ] Invariant cache hit.
[2025-06-06 01:43:26] [INFO ] State equation strengthened by 100 read => feed constraints.
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/118 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 181 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/118 variables, 2/3 constraints. Problems are: Problem set: 0 solved, 181 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/118 variables, 0/3 constraints. Problems are: Problem set: 0 solved, 181 unsolved
At refinement iteration 3 (OVERLAPS) 1/119 variables, 1/4 constraints. Problems are: Problem set: 0 solved, 181 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/119 variables, 0/4 constraints. Problems are: Problem set: 0 solved, 181 unsolved
At refinement iteration 5 (OVERLAPS) 182/301 variables, 119/123 constraints. Problems are: Problem set: 0 solved, 181 unsolved
All remaining problems are real, not stopping.
At refinement iteration 6 (INCLUDED_ONLY) 0/301 variables, 100/223 constraints. Problems are: Problem set: 0 solved, 181 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/301 variables, 0/223 constraints. Problems are: Problem set: 0 solved, 181 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-06 01:43:38] [INFO ] Deduced a trap composed of 44 places in 40 ms of which 3 ms to minimize.
At refinement iteration 8 (OVERLAPS) 0/301 variables, 1/224 constraints. Problems are: Problem set: 0 solved, 181 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/301 variables, 0/224 constraints. Problems are: Problem set: 0 solved, 181 unsolved
At refinement iteration 10 (OVERLAPS) 0/301 variables, 0/224 constraints. Problems are: Problem set: 0 solved, 181 unsolved
No progress, stopping.
After SMT solving in domain Real declared 301/301 variables, and 224 constraints, problems are : Problem set: 0 solved, 181 unsolved in 27143 ms.
Refiners :[Positive P Invariants (semi-flows): 2/2 constraints, Generalized P Invariants (flows): 2/2 constraints, State Equation: 119/119 constraints, ReadFeed: 100/100 constraints, PredecessorRefiner: 181/181 constraints, Known Traps: 1/1 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 181 unsolved
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/118 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 181 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/118 variables, 2/3 constraints. Problems are: Problem set: 0 solved, 181 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/118 variables, 0/3 constraints. Problems are: Problem set: 0 solved, 181 unsolved
At refinement iteration 3 (OVERLAPS) 1/119 variables, 1/4 constraints. Problems are: Problem set: 0 solved, 181 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/119 variables, 1/5 constraints. Problems are: Problem set: 0 solved, 181 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/119 variables, 0/5 constraints. Problems are: Problem set: 0 solved, 181 unsolved
At refinement iteration 6 (OVERLAPS) 182/301 variables, 119/124 constraints. Problems are: Problem set: 0 solved, 181 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/301 variables, 100/224 constraints. Problems are: Problem set: 0 solved, 181 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/301 variables, 181/405 constraints. Problems are: Problem set: 0 solved, 181 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-06 01:44:09] [INFO ] Deduced a trap along path composed of 18 places in 79 ms of which 21 ms to minimize.
At refinement iteration 9 (INCLUDED_ONLY) 0/301 variables, 1/406 constraints. Problems are: Problem set: 0 solved, 181 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 301/301 variables, and 406 constraints, problems are : Problem set: 0 solved, 181 unsolved in 30016 ms.
Refiners :[Positive P Invariants (semi-flows): 2/2 constraints, Generalized P Invariants (flows): 2/2 constraints, State Equation: 119/119 constraints, ReadFeed: 100/100 constraints, PredecessorRefiner: 181/181 constraints, Known Traps: 1/1 constraints, Known Traps Along Path: 1/1 constraints]
After SMT, in 57243ms problems are : Problem set: 0 solved, 181 unsolved
Search for dead transitions found 0 dead transitions in 57244ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 57704 ms. Remains : 119/119 places, 182/182 transitions.
Successfully simplified 2 atomic propositions for a total of 13 simplifications.
Initial state reduction rules removed 1 formulas.
FORMULA SieveSingleMsgMbox-PT-d1m96-LTLFireability-11 TRUE TECHNIQUES TOPOLOGICAL INITIAL_STATE
Computed a total of 40 stabilizing places and 62 stable transitions
Graph (complete) has 588 edges and 152 vertex of which 151 are kept as prefixes of interest. Removing 1 places using SCC suffix rule.8 ms
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202505121319/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!((G((X((G(p2)&&p1))&&p0))||X(F(p3))))'
Support contains 4 out of 152 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 152/152 places, 295/295 transitions.
Discarding 18 places :
Symmetric choice reduction at 0 with 18 rule applications. Total rules 18 place count 134 transition count 177
Iterating global reduction 0 with 18 rules applied. Total rules applied 36 place count 134 transition count 177
Ensure Unique test removed 1 transitions
Reduce isomorphic transitions removed 1 transitions.
Iterating post reduction 0 with 1 rules applied. Total rules applied 37 place count 134 transition count 176
Discarding 16 places :
Symmetric choice reduction at 1 with 16 rule applications. Total rules 53 place count 118 transition count 160
Iterating global reduction 1 with 16 rules applied. Total rules applied 69 place count 118 transition count 160
Ensure Unique test removed 6 transitions
Reduce isomorphic transitions removed 6 transitions.
Iterating post reduction 1 with 6 rules applied. Total rules applied 75 place count 118 transition count 154
Discarding 11 places :
Symmetric choice reduction at 2 with 11 rule applications. Total rules 86 place count 107 transition count 142
Iterating global reduction 2 with 11 rules applied. Total rules applied 97 place count 107 transition count 142
Ensure Unique test removed 3 transitions
Reduce isomorphic transitions removed 3 transitions.
Iterating post reduction 2 with 3 rules applied. Total rules applied 100 place count 107 transition count 139
Discarding 3 places :
Symmetric choice reduction at 3 with 3 rule applications. Total rules 103 place count 104 transition count 134
Iterating global reduction 3 with 3 rules applied. Total rules applied 106 place count 104 transition count 134
Discarding 3 places :
Symmetric choice reduction at 3 with 3 rule applications. Total rules 109 place count 101 transition count 131
Iterating global reduction 3 with 3 rules applied. Total rules applied 112 place count 101 transition count 131
Discarding 3 places :
Symmetric choice reduction at 3 with 3 rule applications. Total rules 115 place count 98 transition count 128
Iterating global reduction 3 with 3 rules applied. Total rules applied 118 place count 98 transition count 128
Ensure Unique test removed 3 transitions
Reduce isomorphic transitions removed 3 transitions.
Iterating post reduction 3 with 3 rules applied. Total rules applied 121 place count 98 transition count 125
Discarding 3 places :
Symmetric choice reduction at 4 with 3 rule applications. Total rules 124 place count 95 transition count 122
Iterating global reduction 4 with 3 rules applied. Total rules applied 127 place count 95 transition count 122
Discarding 2 places :
Symmetric choice reduction at 4 with 2 rule applications. Total rules 129 place count 93 transition count 120
Iterating global reduction 4 with 2 rules applied. Total rules applied 131 place count 93 transition count 120
Discarding 1 places :
Symmetric choice reduction at 4 with 1 rule applications. Total rules 132 place count 92 transition count 118
Iterating global reduction 4 with 1 rules applied. Total rules applied 133 place count 92 transition count 118
Discarding 1 places :
Symmetric choice reduction at 4 with 1 rule applications. Total rules 134 place count 91 transition count 117
Iterating global reduction 4 with 1 rules applied. Total rules applied 135 place count 91 transition count 117
Discarding 1 places :
Symmetric choice reduction at 4 with 1 rule applications. Total rules 136 place count 90 transition count 116
Iterating global reduction 4 with 1 rules applied. Total rules applied 137 place count 90 transition count 116
Applied a total of 137 rules in 14 ms. Remains 90 /152 variables (removed 62) and now considering 116/295 (removed 179) transitions.
// Phase 1: matrix 116 rows 90 cols
[2025-06-06 01:44:24] [INFO ] Computed 5 invariants in 1 ms
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-06 01:44:24] [INFO ] Implicit Places using invariants in 58 ms returned []
[2025-06-06 01:44:24] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-06 01:44:24] [INFO ] State equation strengthened by 57 read => feed constraints.
[2025-06-06 01:44:24] [INFO ] Implicit Places using invariants and state equation in 270 ms returned []
Implicit Place search using SMT with State Equation took 330 ms to find 0 implicit places.
Running 115 sub problems to find dead transitions.
[2025-06-06 01:44:24] [INFO ] Invariant cache hit.
[2025-06-06 01:44:24] [INFO ] State equation strengthened by 57 read => feed constraints.
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/89 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 115 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/89 variables, 3/4 constraints. Problems are: Problem set: 0 solved, 115 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/89 variables, 0/4 constraints. Problems are: Problem set: 0 solved, 115 unsolved
At refinement iteration 3 (OVERLAPS) 1/90 variables, 1/5 constraints. Problems are: Problem set: 0 solved, 115 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-06 01:44:25] [INFO ] Deduced a trap composed of 27 places in 50 ms of which 3 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-06 01:44:25] [INFO ] Deduced a trap composed of 27 places in 35 ms of which 2 ms to minimize.
At refinement iteration 4 (INCLUDED_ONLY) 0/90 variables, 2/7 constraints. Problems are: Problem set: 0 solved, 115 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/90 variables, 0/7 constraints. Problems are: Problem set: 0 solved, 115 unsolved
At refinement iteration 6 (OVERLAPS) 116/206 variables, 90/97 constraints. Problems are: Problem set: 0 solved, 115 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/206 variables, 57/154 constraints. Problems are: Problem set: 0 solved, 115 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-06 01:44:27] [INFO ] Deduced a trap composed of 26 places in 56 ms of which 7 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-06 01:44:27] [INFO ] Deduced a trap composed of 26 places in 58 ms of which 4 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-06 01:44:27] [INFO ] Deduced a trap composed of 26 places in 61 ms of which 8 ms to minimize.
At refinement iteration 8 (INCLUDED_ONLY) 0/206 variables, 3/157 constraints. Problems are: Problem set: 0 solved, 115 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/206 variables, 0/157 constraints. Problems are: Problem set: 0 solved, 115 unsolved
At refinement iteration 10 (OVERLAPS) 0/206 variables, 0/157 constraints. Problems are: Problem set: 0 solved, 115 unsolved
No progress, stopping.
After SMT solving in domain Real declared 206/206 variables, and 157 constraints, problems are : Problem set: 0 solved, 115 unsolved in 6029 ms.
Refiners :[Positive P Invariants (semi-flows): 2/2 constraints, Generalized P Invariants (flows): 3/3 constraints, State Equation: 90/90 constraints, ReadFeed: 57/57 constraints, PredecessorRefiner: 115/115 constraints, Known Traps: 5/5 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 115 unsolved
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/89 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 115 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/89 variables, 3/4 constraints. Problems are: Problem set: 0 solved, 115 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/89 variables, 0/4 constraints. Problems are: Problem set: 0 solved, 115 unsolved
At refinement iteration 3 (OVERLAPS) 1/90 variables, 1/5 constraints. Problems are: Problem set: 0 solved, 115 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/90 variables, 5/10 constraints. Problems are: Problem set: 0 solved, 115 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/90 variables, 0/10 constraints. Problems are: Problem set: 0 solved, 115 unsolved
At refinement iteration 6 (OVERLAPS) 116/206 variables, 90/100 constraints. Problems are: Problem set: 0 solved, 115 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/206 variables, 57/157 constraints. Problems are: Problem set: 0 solved, 115 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/206 variables, 115/272 constraints. Problems are: Problem set: 0 solved, 115 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-06 01:44:34] [INFO ] Deduced a trap along path composed of 4 places in 31 ms of which 2 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-06 01:44:34] [INFO ] Deduced a trap along path composed of 17 places in 26 ms of which 0 ms to minimize.
At refinement iteration 9 (INCLUDED_ONLY) 0/206 variables, 2/274 constraints. Problems are: Problem set: 0 solved, 115 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/206 variables, 0/274 constraints. Problems are: Problem set: 0 solved, 115 unsolved
At refinement iteration 11 (OVERLAPS) 0/206 variables, 0/274 constraints. Problems are: Problem set: 0 solved, 115 unsolved
No progress, stopping.
After SMT solving in domain Int declared 206/206 variables, and 274 constraints, problems are : Problem set: 0 solved, 115 unsolved in 18518 ms.
Refiners :[Positive P Invariants (semi-flows): 2/2 constraints, Generalized P Invariants (flows): 3/3 constraints, State Equation: 90/90 constraints, ReadFeed: 57/57 constraints, PredecessorRefiner: 115/115 constraints, Known Traps: 5/5 constraints, Known Traps Along Path: 2/2 constraints]
After SMT, in 24594ms problems are : Problem set: 0 solved, 115 unsolved
Search for dead transitions found 0 dead transitions in 24595ms
Starting structural reductions in LTL mode, iteration 1 : 90/152 places, 116/295 transitions.
Finished structural reductions in LTL mode , in 1 iterations and 24941 ms. Remains : 90/152 places, 116/295 transitions.
Stuttering acceptance computed with spot in 257 ms :[(OR (AND (NOT p0) (NOT p3)) (AND (NOT p1) (NOT p3)) (AND (NOT p2) (NOT p3))), (NOT p3), (OR (AND (NOT p0) (NOT p3)) (AND (NOT p1) (NOT p3)) (AND (NOT p2) (NOT p3)))]
Running random walk in product with property : SieveSingleMsgMbox-PT-d1m96-LTLFireability-00
Stuttering criterion allowed to conclude after 2 steps with 0 reset in 4 ms.
FORMULA SieveSingleMsgMbox-PT-d1m96-LTLFireability-00 FALSE TECHNIQUES STUTTER_TEST
Treatment of property SieveSingleMsgMbox-PT-d1m96-LTLFireability-00 finished in 25277 ms.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202505121319/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!(G(F(p0)))'
Support contains 5 out of 152 places. Attempting structural reductions.
Starting structural reductions in SI_LTL mode, iteration 0 : 152/152 places, 295/295 transitions.
Discarding 18 places :
Symmetric choice reduction at 0 with 18 rule applications. Total rules 18 place count 134 transition count 177
Iterating global reduction 0 with 18 rules applied. Total rules applied 36 place count 134 transition count 177
Ensure Unique test removed 4 transitions
Reduce isomorphic transitions removed 4 transitions.
Iterating post reduction 0 with 4 rules applied. Total rules applied 40 place count 134 transition count 173
Discarding 16 places :
Symmetric choice reduction at 1 with 16 rule applications. Total rules 56 place count 118 transition count 157
Iterating global reduction 1 with 16 rules applied. Total rules applied 72 place count 118 transition count 157
Ensure Unique test removed 6 transitions
Reduce isomorphic transitions removed 6 transitions.
Iterating post reduction 1 with 6 rules applied. Total rules applied 78 place count 118 transition count 151
Discarding 11 places :
Symmetric choice reduction at 2 with 11 rule applications. Total rules 89 place count 107 transition count 139
Iterating global reduction 2 with 11 rules applied. Total rules applied 100 place count 107 transition count 139
Ensure Unique test removed 3 transitions
Reduce isomorphic transitions removed 3 transitions.
Iterating post reduction 2 with 3 rules applied. Total rules applied 103 place count 107 transition count 136
Discarding 3 places :
Symmetric choice reduction at 3 with 3 rule applications. Total rules 106 place count 104 transition count 131
Iterating global reduction 3 with 3 rules applied. Total rules applied 109 place count 104 transition count 131
Discarding 3 places :
Symmetric choice reduction at 3 with 3 rule applications. Total rules 112 place count 101 transition count 128
Iterating global reduction 3 with 3 rules applied. Total rules applied 115 place count 101 transition count 128
Discarding 2 places :
Symmetric choice reduction at 3 with 2 rule applications. Total rules 117 place count 99 transition count 126
Iterating global reduction 3 with 2 rules applied. Total rules applied 119 place count 99 transition count 126
Ensure Unique test removed 3 transitions
Reduce isomorphic transitions removed 3 transitions.
Iterating post reduction 3 with 3 rules applied. Total rules applied 122 place count 99 transition count 123
Discarding 2 places :
Symmetric choice reduction at 4 with 2 rule applications. Total rules 124 place count 97 transition count 121
Iterating global reduction 4 with 2 rules applied. Total rules applied 126 place count 97 transition count 121
Discarding 1 places :
Symmetric choice reduction at 4 with 1 rule applications. Total rules 127 place count 96 transition count 120
Iterating global reduction 4 with 1 rules applied. Total rules applied 128 place count 96 transition count 120
Applied a total of 128 rules in 24 ms. Remains 96 /152 variables (removed 56) and now considering 120/295 (removed 175) transitions.
// Phase 1: matrix 120 rows 96 cols
[2025-06-06 01:44:49] [INFO ] Computed 5 invariants in 2 ms
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-06 01:44:49] [INFO ] Implicit Places using invariants in 92 ms returned []
[2025-06-06 01:44:49] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-06 01:44:49] [INFO ] State equation strengthened by 56 read => feed constraints.
[2025-06-06 01:44:49] [INFO ] Implicit Places using invariants and state equation in 225 ms returned []
Implicit Place search using SMT with State Equation took 329 ms to find 0 implicit places.
Starting Z3 with timeout 200.0 s and query timeout 20000.0 ms
[2025-06-06 01:44:49] [INFO ] Redundant transitions in 2 ms returned []
Running 119 sub problems to find dead transitions.
[2025-06-06 01:44:49] [INFO ] Invariant cache hit.
[2025-06-06 01:44:49] [INFO ] State equation strengthened by 56 read => feed constraints.
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/95 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 119 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/95 variables, 3/4 constraints. Problems are: Problem set: 0 solved, 119 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/95 variables, 0/4 constraints. Problems are: Problem set: 0 solved, 119 unsolved
At refinement iteration 3 (OVERLAPS) 1/96 variables, 1/5 constraints. Problems are: Problem set: 0 solved, 119 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-06 01:44:51] [INFO ] Deduced a trap composed of 30 places in 56 ms of which 3 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-06 01:44:51] [INFO ] Deduced a trap composed of 30 places in 41 ms of which 4 ms to minimize.
At refinement iteration 4 (INCLUDED_ONLY) 0/96 variables, 2/7 constraints. Problems are: Problem set: 0 solved, 119 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/96 variables, 0/7 constraints. Problems are: Problem set: 0 solved, 119 unsolved
At refinement iteration 6 (OVERLAPS) 120/216 variables, 96/103 constraints. Problems are: Problem set: 0 solved, 119 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/216 variables, 56/159 constraints. Problems are: Problem set: 0 solved, 119 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-06 01:44:52] [INFO ] Deduced a trap composed of 34 places in 33 ms of which 3 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-06 01:44:53] [INFO ] Deduced a trap composed of 29 places in 58 ms of which 7 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-06 01:44:53] [INFO ] Deduced a trap composed of 29 places in 64 ms of which 7 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-06 01:44:53] [INFO ] Deduced a trap composed of 28 places in 47 ms of which 7 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-06 01:44:53] [INFO ] Deduced a trap composed of 29 places in 52 ms of which 8 ms to minimize.
At refinement iteration 8 (INCLUDED_ONLY) 0/216 variables, 5/164 constraints. Problems are: Problem set: 0 solved, 119 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/216 variables, 0/164 constraints. Problems are: Problem set: 0 solved, 119 unsolved
At refinement iteration 10 (OVERLAPS) 0/216 variables, 0/164 constraints. Problems are: Problem set: 0 solved, 119 unsolved
No progress, stopping.
After SMT solving in domain Real declared 216/216 variables, and 164 constraints, problems are : Problem set: 0 solved, 119 unsolved in 7859 ms.
Refiners :[Positive P Invariants (semi-flows): 2/2 constraints, Generalized P Invariants (flows): 3/3 constraints, State Equation: 96/96 constraints, ReadFeed: 56/56 constraints, PredecessorRefiner: 119/119 constraints, Known Traps: 7/7 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 119 unsolved
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/95 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 119 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/95 variables, 3/4 constraints. Problems are: Problem set: 0 solved, 119 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/95 variables, 0/4 constraints. Problems are: Problem set: 0 solved, 119 unsolved
At refinement iteration 3 (OVERLAPS) 1/96 variables, 1/5 constraints. Problems are: Problem set: 0 solved, 119 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/96 variables, 7/12 constraints. Problems are: Problem set: 0 solved, 119 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/96 variables, 0/12 constraints. Problems are: Problem set: 0 solved, 119 unsolved
At refinement iteration 6 (OVERLAPS) 120/216 variables, 96/108 constraints. Problems are: Problem set: 0 solved, 119 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/216 variables, 56/164 constraints. Problems are: Problem set: 0 solved, 119 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/216 variables, 119/283 constraints. Problems are: Problem set: 0 solved, 119 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-06 01:45:05] [INFO ] Deduced a trap along path composed of 4 places in 24 ms of which 1 ms to minimize.
At refinement iteration 9 (INCLUDED_ONLY) 0/216 variables, 1/284 constraints. Problems are: Problem set: 0 solved, 119 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/216 variables, 0/284 constraints. Problems are: Problem set: 0 solved, 119 unsolved
At refinement iteration 11 (OVERLAPS) 0/216 variables, 0/284 constraints. Problems are: Problem set: 0 solved, 119 unsolved
No progress, stopping.
After SMT solving in domain Int declared 216/216 variables, and 284 constraints, problems are : Problem set: 0 solved, 119 unsolved in 30017 ms.
Refiners :[Positive P Invariants (semi-flows): 2/2 constraints, Generalized P Invariants (flows): 3/3 constraints, State Equation: 96/96 constraints, ReadFeed: 56/56 constraints, PredecessorRefiner: 119/119 constraints, Known Traps: 7/7 constraints, Known Traps Along Path: 1/1 constraints]
After SMT, in 37911ms problems are : Problem set: 0 solved, 119 unsolved
Search for dead transitions found 0 dead transitions in 37911ms
Starting structural reductions in SI_LTL mode, iteration 1 : 96/152 places, 120/295 transitions.
Finished structural reductions in SI_LTL mode , in 1 iterations and 38272 ms. Remains : 96/152 places, 120/295 transitions.
Stuttering acceptance computed with spot in 91 ms :[(NOT p0), (NOT p0)]
Running random walk in product with property : SieveSingleMsgMbox-PT-d1m96-LTLFireability-01
Stuttering criterion allowed to conclude after 2 steps with 0 reset in 0 ms.
FORMULA SieveSingleMsgMbox-PT-d1m96-LTLFireability-01 FALSE TECHNIQUES STUTTER_TEST
Treatment of property SieveSingleMsgMbox-PT-d1m96-LTLFireability-01 finished in 38389 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 152 places. Attempting structural reductions.
Starting structural reductions in SI_LTL mode, iteration 0 : 152/152 places, 295/295 transitions.
Discarding 20 places :
Symmetric choice reduction at 0 with 20 rule applications. Total rules 20 place count 132 transition count 166
Iterating global reduction 0 with 20 rules applied. Total rules applied 40 place count 132 transition count 166
Ensure Unique test removed 3 transitions
Reduce isomorphic transitions removed 3 transitions.
Iterating post reduction 0 with 3 rules applied. Total rules applied 43 place count 132 transition count 163
Discarding 17 places :
Symmetric choice reduction at 1 with 17 rule applications. Total rules 60 place count 115 transition count 146
Iterating global reduction 1 with 17 rules applied. Total rules applied 77 place count 115 transition count 146
Ensure Unique test removed 7 transitions
Reduce isomorphic transitions removed 7 transitions.
Iterating post reduction 1 with 7 rules applied. Total rules applied 84 place count 115 transition count 139
Discarding 12 places :
Symmetric choice reduction at 2 with 12 rule applications. Total rules 96 place count 103 transition count 126
Iterating global reduction 2 with 12 rules applied. Total rules applied 108 place count 103 transition count 126
Ensure Unique test removed 4 transitions
Reduce isomorphic transitions removed 4 transitions.
Iterating post reduction 2 with 4 rules applied. Total rules applied 112 place count 103 transition count 122
Discarding 4 places :
Symmetric choice reduction at 3 with 4 rule applications. Total rules 116 place count 99 transition count 116
Iterating global reduction 3 with 4 rules applied. Total rules applied 120 place count 99 transition count 116
Discarding 4 places :
Symmetric choice reduction at 3 with 4 rule applications. Total rules 124 place count 95 transition count 112
Iterating global reduction 3 with 4 rules applied. Total rules applied 128 place count 95 transition count 112
Discarding 3 places :
Symmetric choice reduction at 3 with 3 rule applications. Total rules 131 place count 92 transition count 109
Iterating global reduction 3 with 3 rules applied. Total rules applied 134 place count 92 transition count 109
Ensure Unique test removed 2 transitions
Reduce isomorphic transitions removed 2 transitions.
Iterating post reduction 3 with 2 rules applied. Total rules applied 136 place count 92 transition count 107
Discarding 3 places :
Symmetric choice reduction at 4 with 3 rule applications. Total rules 139 place count 89 transition count 104
Iterating global reduction 4 with 3 rules applied. Total rules applied 142 place count 89 transition count 104
Discarding 2 places :
Symmetric choice reduction at 4 with 2 rule applications. Total rules 144 place count 87 transition count 102
Iterating global reduction 4 with 2 rules applied. Total rules applied 146 place count 87 transition count 102
Discarding 1 places :
Symmetric choice reduction at 4 with 1 rule applications. Total rules 147 place count 86 transition count 100
Iterating global reduction 4 with 1 rules applied. Total rules applied 148 place count 86 transition count 100
Discarding 1 places :
Symmetric choice reduction at 4 with 1 rule applications. Total rules 149 place count 85 transition count 99
Iterating global reduction 4 with 1 rules applied. Total rules applied 150 place count 85 transition count 99
Discarding 1 places :
Symmetric choice reduction at 4 with 1 rule applications. Total rules 151 place count 84 transition count 98
Iterating global reduction 4 with 1 rules applied. Total rules applied 152 place count 84 transition count 98
Applied a total of 152 rules in 23 ms. Remains 84 /152 variables (removed 68) and now considering 98/295 (removed 197) transitions.
// Phase 1: matrix 98 rows 84 cols
[2025-06-06 01:45:27] [INFO ] Computed 5 invariants in 1 ms
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-06 01:45:28] [INFO ] Implicit Places using invariants in 105 ms returned []
[2025-06-06 01:45:28] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-06 01:45:28] [INFO ] State equation strengthened by 44 read => feed constraints.
[2025-06-06 01:45:28] [INFO ] Implicit Places using invariants and state equation in 207 ms returned []
Implicit Place search using SMT with State Equation took 315 ms to find 0 implicit places.
Starting Z3 with timeout 200.0 s and query timeout 20000.0 ms
[2025-06-06 01:45:28] [INFO ] Redundant transitions in 3 ms returned []
Running 97 sub problems to find dead transitions.
[2025-06-06 01:45:28] [INFO ] Invariant cache hit.
[2025-06-06 01:45:28] [INFO ] State equation strengthened by 44 read => feed constraints.
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/83 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 97 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/83 variables, 3/4 constraints. Problems are: Problem set: 0 solved, 97 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/83 variables, 0/4 constraints. Problems are: Problem set: 0 solved, 97 unsolved
At refinement iteration 3 (OVERLAPS) 1/84 variables, 1/5 constraints. Problems are: Problem set: 0 solved, 97 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-06 01:45:29] [INFO ] Deduced a trap composed of 25 places in 48 ms of which 3 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-06 01:45:29] [INFO ] Deduced a trap composed of 25 places in 38 ms of which 3 ms to minimize.
At refinement iteration 4 (INCLUDED_ONLY) 0/84 variables, 2/7 constraints. Problems are: Problem set: 0 solved, 97 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/84 variables, 0/7 constraints. Problems are: Problem set: 0 solved, 97 unsolved
At refinement iteration 6 (OVERLAPS) 98/182 variables, 84/91 constraints. Problems are: Problem set: 0 solved, 97 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/182 variables, 44/135 constraints. Problems are: Problem set: 0 solved, 97 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-06 01:45:30] [INFO ] Deduced a trap composed of 25 places in 70 ms of which 7 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-06 01:45:30] [INFO ] Deduced a trap composed of 26 places in 65 ms of which 6 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-06 01:45:30] [INFO ] Deduced a trap composed of 24 places in 65 ms of which 7 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-06 01:45:30] [INFO ] Deduced a trap composed of 25 places in 63 ms of which 6 ms to minimize.
At refinement iteration 8 (INCLUDED_ONLY) 0/182 variables, 4/139 constraints. Problems are: Problem set: 0 solved, 97 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/182 variables, 0/139 constraints. Problems are: Problem set: 0 solved, 97 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-06 01:45:32] [INFO ] Deduced a trap composed of 25 places in 65 ms of which 6 ms to minimize.
At refinement iteration 10 (OVERLAPS) 0/182 variables, 1/140 constraints. Problems are: Problem set: 0 solved, 97 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-06 01:45:33] [INFO ] Deduced a trap composed of 25 places in 53 ms of which 7 ms to minimize.
At refinement iteration 11 (INCLUDED_ONLY) 0/182 variables, 1/141 constraints. Problems are: Problem set: 0 solved, 97 unsolved
At refinement iteration 12 (INCLUDED_ONLY) 0/182 variables, 0/141 constraints. Problems are: Problem set: 0 solved, 97 unsolved
At refinement iteration 13 (OVERLAPS) 0/182 variables, 0/141 constraints. Problems are: Problem set: 0 solved, 97 unsolved
No progress, stopping.
After SMT solving in domain Real declared 182/182 variables, and 141 constraints, problems are : Problem set: 0 solved, 97 unsolved in 8259 ms.
Refiners :[Positive P Invariants (semi-flows): 2/2 constraints, Generalized P Invariants (flows): 3/3 constraints, State Equation: 84/84 constraints, ReadFeed: 44/44 constraints, PredecessorRefiner: 97/97 constraints, Known Traps: 8/8 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 97 unsolved
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/83 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 97 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/83 variables, 3/4 constraints. Problems are: Problem set: 0 solved, 97 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/83 variables, 0/4 constraints. Problems are: Problem set: 0 solved, 97 unsolved
At refinement iteration 3 (OVERLAPS) 1/84 variables, 1/5 constraints. Problems are: Problem set: 0 solved, 97 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/84 variables, 8/13 constraints. Problems are: Problem set: 0 solved, 97 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-06 01:45:37] [INFO ] Deduced a trap composed of 25 places in 63 ms of which 2 ms to minimize.
At refinement iteration 5 (INCLUDED_ONLY) 0/84 variables, 1/14 constraints. Problems are: Problem set: 0 solved, 97 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/84 variables, 0/14 constraints. Problems are: Problem set: 0 solved, 97 unsolved
At refinement iteration 7 (OVERLAPS) 98/182 variables, 84/98 constraints. Problems are: Problem set: 0 solved, 97 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/182 variables, 44/142 constraints. Problems are: Problem set: 0 solved, 97 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/182 variables, 97/239 constraints. Problems are: Problem set: 0 solved, 97 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/182 variables, 0/239 constraints. Problems are: Problem set: 0 solved, 97 unsolved
At refinement iteration 11 (OVERLAPS) 0/182 variables, 0/239 constraints. Problems are: Problem set: 0 solved, 97 unsolved
No progress, stopping.
After SMT solving in domain Int declared 182/182 variables, and 239 constraints, problems are : Problem set: 0 solved, 97 unsolved in 8516 ms.
Refiners :[Positive P Invariants (semi-flows): 2/2 constraints, Generalized P Invariants (flows): 3/3 constraints, State Equation: 84/84 constraints, ReadFeed: 44/44 constraints, PredecessorRefiner: 97/97 constraints, Known Traps: 9/9 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 16800ms problems are : Problem set: 0 solved, 97 unsolved
Search for dead transitions found 0 dead transitions in 16801ms
Starting structural reductions in SI_LTL mode, iteration 1 : 84/152 places, 98/295 transitions.
Finished structural reductions in SI_LTL mode , in 1 iterations and 17148 ms. Remains : 84/152 places, 98/295 transitions.
Stuttering acceptance computed with spot in 35 ms :[(NOT p0)]
Running random walk in product with property : SieveSingleMsgMbox-PT-d1m96-LTLFireability-02
Stuttering criterion allowed to conclude after 6 steps with 0 reset in 0 ms.
FORMULA SieveSingleMsgMbox-PT-d1m96-LTLFireability-02 FALSE TECHNIQUES STUTTER_TEST
Treatment of property SieveSingleMsgMbox-PT-d1m96-LTLFireability-02 finished in 17198 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)&&X(X((G(F(p0)) U p1))))))'
Support contains 3 out of 152 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 152/152 places, 295/295 transitions.
Discarding 19 places :
Symmetric choice reduction at 0 with 19 rule applications. Total rules 19 place count 133 transition count 176
Iterating global reduction 0 with 19 rules applied. Total rules applied 38 place count 133 transition count 176
Ensure Unique test removed 4 transitions
Reduce isomorphic transitions removed 4 transitions.
Iterating post reduction 0 with 4 rules applied. Total rules applied 42 place count 133 transition count 172
Discarding 16 places :
Symmetric choice reduction at 1 with 16 rule applications. Total rules 58 place count 117 transition count 156
Iterating global reduction 1 with 16 rules applied. Total rules applied 74 place count 117 transition count 156
Ensure Unique test removed 6 transitions
Reduce isomorphic transitions removed 6 transitions.
Iterating post reduction 1 with 6 rules applied. Total rules applied 80 place count 117 transition count 150
Discarding 11 places :
Symmetric choice reduction at 2 with 11 rule applications. Total rules 91 place count 106 transition count 138
Iterating global reduction 2 with 11 rules applied. Total rules applied 102 place count 106 transition count 138
Ensure Unique test removed 3 transitions
Reduce isomorphic transitions removed 3 transitions.
Iterating post reduction 2 with 3 rules applied. Total rules applied 105 place count 106 transition count 135
Discarding 3 places :
Symmetric choice reduction at 3 with 3 rule applications. Total rules 108 place count 103 transition count 130
Iterating global reduction 3 with 3 rules applied. Total rules applied 111 place count 103 transition count 130
Discarding 3 places :
Symmetric choice reduction at 3 with 3 rule applications. Total rules 114 place count 100 transition count 127
Iterating global reduction 3 with 3 rules applied. Total rules applied 117 place count 100 transition count 127
Discarding 2 places :
Symmetric choice reduction at 3 with 2 rule applications. Total rules 119 place count 98 transition count 125
Iterating global reduction 3 with 2 rules applied. Total rules applied 121 place count 98 transition count 125
Discarding 2 places :
Symmetric choice reduction at 3 with 2 rule applications. Total rules 123 place count 96 transition count 123
Iterating global reduction 3 with 2 rules applied. Total rules applied 125 place count 96 transition count 123
Discarding 2 places :
Symmetric choice reduction at 3 with 2 rule applications. Total rules 127 place count 94 transition count 121
Iterating global reduction 3 with 2 rules applied. Total rules applied 129 place count 94 transition count 121
Discarding 1 places :
Symmetric choice reduction at 3 with 1 rule applications. Total rules 130 place count 93 transition count 119
Iterating global reduction 3 with 1 rules applied. Total rules applied 131 place count 93 transition count 119
Discarding 1 places :
Symmetric choice reduction at 3 with 1 rule applications. Total rules 132 place count 92 transition count 118
Iterating global reduction 3 with 1 rules applied. Total rules applied 133 place count 92 transition count 118
Discarding 1 places :
Symmetric choice reduction at 3 with 1 rule applications. Total rules 134 place count 91 transition count 117
Iterating global reduction 3 with 1 rules applied. Total rules applied 135 place count 91 transition count 117
Applied a total of 135 rules in 12 ms. Remains 91 /152 variables (removed 61) and now considering 117/295 (removed 178) transitions.
// Phase 1: matrix 117 rows 91 cols
[2025-06-06 01:45:45] [INFO ] Computed 5 invariants in 3 ms
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-06 01:45:45] [INFO ] Implicit Places using invariants in 83 ms returned []
[2025-06-06 01:45:45] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-06 01:45:45] [INFO ] State equation strengthened by 58 read => feed constraints.
[2025-06-06 01:45:45] [INFO ] Implicit Places using invariants and state equation in 238 ms returned []
Implicit Place search using SMT with State Equation took 323 ms to find 0 implicit places.
Running 116 sub problems to find dead transitions.
[2025-06-06 01:45:45] [INFO ] Invariant cache hit.
[2025-06-06 01:45:45] [INFO ] State equation strengthened by 58 read => feed constraints.
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/90 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 116 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/90 variables, 3/4 constraints. Problems are: Problem set: 0 solved, 116 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/90 variables, 0/4 constraints. Problems are: Problem set: 0 solved, 116 unsolved
At refinement iteration 3 (OVERLAPS) 1/91 variables, 1/5 constraints. Problems are: Problem set: 0 solved, 116 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-06 01:45:46] [INFO ] Deduced a trap composed of 27 places in 38 ms of which 3 ms to minimize.
At refinement iteration 4 (INCLUDED_ONLY) 0/91 variables, 1/6 constraints. Problems are: Problem set: 0 solved, 116 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-06 01:45:46] [INFO ] Deduced a trap composed of 27 places in 41 ms of which 3 ms to minimize.
At refinement iteration 5 (INCLUDED_ONLY) 0/91 variables, 1/7 constraints. Problems are: Problem set: 0 solved, 116 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/91 variables, 0/7 constraints. Problems are: Problem set: 0 solved, 116 unsolved
At refinement iteration 7 (OVERLAPS) 117/208 variables, 91/98 constraints. Problems are: Problem set: 0 solved, 116 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/208 variables, 58/156 constraints. Problems are: Problem set: 0 solved, 116 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-06 01:45:48] [INFO ] Deduced a trap composed of 26 places in 54 ms of which 8 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-06 01:45:48] [INFO ] Deduced a trap composed of 26 places in 50 ms of which 7 ms to minimize.
At refinement iteration 9 (INCLUDED_ONLY) 0/208 variables, 2/158 constraints. Problems are: Problem set: 0 solved, 116 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-06 01:45:50] [INFO ] Deduced a trap composed of 26 places in 53 ms of which 8 ms to minimize.
At refinement iteration 10 (INCLUDED_ONLY) 0/208 variables, 1/159 constraints. Problems are: Problem set: 0 solved, 116 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/208 variables, 0/159 constraints. Problems are: Problem set: 0 solved, 116 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-06 01:45:52] [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
[2025-06-06 01:45:52] [INFO ] Deduced a trap composed of 26 places in 47 ms of which 7 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-06 01:45:52] [INFO ] Deduced a trap composed of 27 places in 52 ms of which 7 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-06 01:45:52] [INFO ] Deduced a trap composed of 27 places in 48 ms of which 7 ms to minimize.
At refinement iteration 12 (OVERLAPS) 0/208 variables, 4/163 constraints. Problems are: Problem set: 0 solved, 116 unsolved
At refinement iteration 13 (INCLUDED_ONLY) 0/208 variables, 0/163 constraints. Problems are: Problem set: 0 solved, 116 unsolved
At refinement iteration 14 (OVERLAPS) 0/208 variables, 0/163 constraints. Problems are: Problem set: 0 solved, 116 unsolved
No progress, stopping.
After SMT solving in domain Real declared 208/208 variables, and 163 constraints, problems are : Problem set: 0 solved, 116 unsolved in 10973 ms.
Refiners :[Positive P Invariants (semi-flows): 2/2 constraints, Generalized P Invariants (flows): 3/3 constraints, State Equation: 91/91 constraints, ReadFeed: 58/58 constraints, PredecessorRefiner: 116/116 constraints, Known Traps: 9/9 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 116 unsolved
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/90 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 116 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/90 variables, 3/4 constraints. Problems are: Problem set: 0 solved, 116 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/90 variables, 0/4 constraints. Problems are: Problem set: 0 solved, 116 unsolved
At refinement iteration 3 (OVERLAPS) 1/91 variables, 1/5 constraints. Problems are: Problem set: 0 solved, 116 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/91 variables, 9/14 constraints. Problems are: Problem set: 0 solved, 116 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/91 variables, 0/14 constraints. Problems are: Problem set: 0 solved, 116 unsolved
At refinement iteration 6 (OVERLAPS) 117/208 variables, 91/105 constraints. Problems are: Problem set: 0 solved, 116 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/208 variables, 58/163 constraints. Problems are: Problem set: 0 solved, 116 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/208 variables, 116/279 constraints. Problems are: Problem set: 0 solved, 116 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/208 variables, 0/279 constraints. Problems are: Problem set: 0 solved, 116 unsolved
At refinement iteration 10 (OVERLAPS) 0/208 variables, 0/279 constraints. Problems are: Problem set: 0 solved, 116 unsolved
No progress, stopping.
After SMT solving in domain Int declared 208/208 variables, and 279 constraints, problems are : Problem set: 0 solved, 116 unsolved in 12453 ms.
Refiners :[Positive P Invariants (semi-flows): 2/2 constraints, Generalized P Invariants (flows): 3/3 constraints, State Equation: 91/91 constraints, ReadFeed: 58/58 constraints, PredecessorRefiner: 116/116 constraints, Known Traps: 9/9 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 23469ms problems are : Problem set: 0 solved, 116 unsolved
Search for dead transitions found 0 dead transitions in 23469ms
Starting structural reductions in LTL mode, iteration 1 : 91/152 places, 117/295 transitions.
Finished structural reductions in LTL mode , in 1 iterations and 23805 ms. Remains : 91/152 places, 117/295 transitions.
Stuttering acceptance computed with spot in 245 ms :[(OR (NOT p0) (NOT p1)), (OR (NOT p1) (NOT p0)), (NOT p0), (NOT p1), (NOT p1), (NOT p0)]
Running random walk in product with property : SieveSingleMsgMbox-PT-d1m96-LTLFireability-03
Stuttering criterion allowed to conclude after 3 steps with 0 reset in 0 ms.
FORMULA SieveSingleMsgMbox-PT-d1m96-LTLFireability-03 FALSE TECHNIQUES STUTTER_TEST
Treatment of property SieveSingleMsgMbox-PT-d1m96-LTLFireability-03 finished in 24072 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||G(p1))))))'
Support contains 4 out of 152 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 152/152 places, 295/295 transitions.
Discarding 18 places :
Symmetric choice reduction at 0 with 18 rule applications. Total rules 18 place count 134 transition count 186
Iterating global reduction 0 with 18 rules applied. Total rules applied 36 place count 134 transition count 186
Ensure Unique test removed 5 transitions
Reduce isomorphic transitions removed 5 transitions.
Iterating post reduction 0 with 5 rules applied. Total rules applied 41 place count 134 transition count 181
Discarding 15 places :
Symmetric choice reduction at 1 with 15 rule applications. Total rules 56 place count 119 transition count 166
Iterating global reduction 1 with 15 rules applied. Total rules applied 71 place count 119 transition count 166
Ensure Unique test removed 5 transitions
Reduce isomorphic transitions removed 5 transitions.
Iterating post reduction 1 with 5 rules applied. Total rules applied 76 place count 119 transition count 161
Discarding 10 places :
Symmetric choice reduction at 2 with 10 rule applications. Total rules 86 place count 109 transition count 150
Iterating global reduction 2 with 10 rules applied. Total rules applied 96 place count 109 transition count 150
Ensure Unique test removed 3 transitions
Reduce isomorphic transitions removed 3 transitions.
Iterating post reduction 2 with 3 rules applied. Total rules applied 99 place count 109 transition count 147
Discarding 3 places :
Symmetric choice reduction at 3 with 3 rule applications. Total rules 102 place count 106 transition count 142
Iterating global reduction 3 with 3 rules applied. Total rules applied 105 place count 106 transition count 142
Discarding 3 places :
Symmetric choice reduction at 3 with 3 rule applications. Total rules 108 place count 103 transition count 139
Iterating global reduction 3 with 3 rules applied. Total rules applied 111 place count 103 transition count 139
Discarding 2 places :
Symmetric choice reduction at 3 with 2 rule applications. Total rules 113 place count 101 transition count 137
Iterating global reduction 3 with 2 rules applied. Total rules applied 115 place count 101 transition count 137
Discarding 2 places :
Symmetric choice reduction at 3 with 2 rule applications. Total rules 117 place count 99 transition count 135
Iterating global reduction 3 with 2 rules applied. Total rules applied 119 place count 99 transition count 135
Discarding 2 places :
Symmetric choice reduction at 3 with 2 rule applications. Total rules 121 place count 97 transition count 133
Iterating global reduction 3 with 2 rules applied. Total rules applied 123 place count 97 transition count 133
Discarding 1 places :
Symmetric choice reduction at 3 with 1 rule applications. Total rules 124 place count 96 transition count 131
Iterating global reduction 3 with 1 rules applied. Total rules applied 125 place count 96 transition count 131
Discarding 1 places :
Symmetric choice reduction at 3 with 1 rule applications. Total rules 126 place count 95 transition count 130
Iterating global reduction 3 with 1 rules applied. Total rules applied 127 place count 95 transition count 130
Discarding 1 places :
Symmetric choice reduction at 3 with 1 rule applications. Total rules 128 place count 94 transition count 129
Iterating global reduction 3 with 1 rules applied. Total rules applied 129 place count 94 transition count 129
Applied a total of 129 rules in 14 ms. Remains 94 /152 variables (removed 58) and now considering 129/295 (removed 166) transitions.
// Phase 1: matrix 129 rows 94 cols
[2025-06-06 01:46:09] [INFO ] Computed 5 invariants in 5 ms
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-06 01:46:09] [INFO ] Implicit Places using invariants in 61 ms returned []
[2025-06-06 01:46:09] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-06 01:46:09] [INFO ] State equation strengthened by 67 read => feed constraints.
[2025-06-06 01:46:09] [INFO ] Implicit Places using invariants and state equation in 342 ms returned []
Implicit Place search using SMT with State Equation took 406 ms to find 0 implicit places.
Running 128 sub problems to find dead transitions.
[2025-06-06 01:46:09] [INFO ] Invariant cache hit.
[2025-06-06 01:46:09] [INFO ] State equation strengthened by 67 read => feed constraints.
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
All remaining problems are real, not stopping.
At refinement iteration 0 (INCLUDED_ONLY) 0/93 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 128 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/93 variables, 3/4 constraints. Problems are: Problem set: 0 solved, 128 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/93 variables, 0/4 constraints. Problems are: Problem set: 0 solved, 128 unsolved
At refinement iteration 3 (OVERLAPS) 1/94 variables, 1/5 constraints. Problems are: Problem set: 0 solved, 128 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-06 01:46:10] [INFO ] Deduced a trap composed of 28 places in 41 ms of which 3 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-06 01:46:10] [INFO ] Deduced a trap composed of 28 places in 37 ms of which 3 ms to minimize.
At refinement iteration 4 (INCLUDED_ONLY) 0/94 variables, 2/7 constraints. Problems are: Problem set: 0 solved, 128 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/94 variables, 0/7 constraints. Problems are: Problem set: 0 solved, 128 unsolved
At refinement iteration 6 (OVERLAPS) 129/223 variables, 94/101 constraints. Problems are: Problem set: 0 solved, 128 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/223 variables, 67/168 constraints. Problems are: Problem set: 0 solved, 128 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-06 01:46:12] [INFO ] Deduced a trap composed of 27 places in 51 ms of which 8 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-06 01:46:12] [INFO ] Deduced a trap composed of 27 places in 51 ms of which 8 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-06 01:46:12] [INFO ] Deduced a trap composed of 28 places in 56 ms of which 8 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-06 01:46:12] [INFO ] Deduced a trap composed of 27 places in 51 ms of which 8 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-06 01:46:12] [INFO ] Deduced a trap composed of 27 places in 46 ms of which 7 ms to minimize.
At refinement iteration 8 (INCLUDED_ONLY) 0/223 variables, 5/173 constraints. Problems are: Problem set: 0 solved, 128 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-06 01:46:13] [INFO ] Deduced a trap composed of 28 places in 74 ms of which 8 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-06 01:46:13] [INFO ] Deduced a trap composed of 28 places in 49 ms of which 8 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-06 01:46:13] [INFO ] Deduced a trap composed of 28 places in 53 ms of which 8 ms to minimize.
At refinement iteration 9 (INCLUDED_ONLY) 0/223 variables, 3/176 constraints. Problems are: Problem set: 0 solved, 128 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/223 variables, 0/176 constraints. Problems are: Problem set: 0 solved, 128 unsolved
At refinement iteration 11 (OVERLAPS) 0/223 variables, 0/176 constraints. Problems are: Problem set: 0 solved, 128 unsolved
No progress, stopping.
After SMT solving in domain Real declared 223/223 variables, and 176 constraints, problems are : Problem set: 0 solved, 128 unsolved in 9491 ms.
Refiners :[Positive P Invariants (semi-flows): 2/2 constraints, Generalized P Invariants (flows): 3/3 constraints, State Equation: 94/94 constraints, ReadFeed: 67/67 constraints, PredecessorRefiner: 128/128 constraints, Known Traps: 10/10 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 128 unsolved
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/93 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 128 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/93 variables, 3/4 constraints. Problems are: Problem set: 0 solved, 128 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/93 variables, 0/4 constraints. Problems are: Problem set: 0 solved, 128 unsolved
At refinement iteration 3 (OVERLAPS) 1/94 variables, 1/5 constraints. Problems are: Problem set: 0 solved, 128 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/94 variables, 10/15 constraints. Problems are: Problem set: 0 solved, 128 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/94 variables, 0/15 constraints. Problems are: Problem set: 0 solved, 128 unsolved
At refinement iteration 6 (OVERLAPS) 129/223 variables, 94/109 constraints. Problems are: Problem set: 0 solved, 128 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/223 variables, 67/176 constraints. Problems are: Problem set: 0 solved, 128 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/223 variables, 128/304 constraints. Problems are: Problem set: 0 solved, 128 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-06 01:46:23] [INFO ] Deduced a trap along path composed of 4 places in 34 ms of which 0 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-06 01:46:23] [INFO ] Deduced a trap along path composed of 17 places in 27 ms of which 1 ms to minimize.
At refinement iteration 9 (INCLUDED_ONLY) 0/223 variables, 2/306 constraints. Problems are: Problem set: 0 solved, 128 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/223 variables, 0/306 constraints. Problems are: Problem set: 0 solved, 128 unsolved
At refinement iteration 11 (OVERLAPS) 0/223 variables, 0/306 constraints. Problems are: Problem set: 0 solved, 128 unsolved
No progress, stopping.
After SMT solving in domain Int declared 223/223 variables, and 306 constraints, problems are : Problem set: 0 solved, 128 unsolved in 23493 ms.
Refiners :[Positive P Invariants (semi-flows): 2/2 constraints, Generalized P Invariants (flows): 3/3 constraints, State Equation: 94/94 constraints, ReadFeed: 67/67 constraints, PredecessorRefiner: 128/128 constraints, Known Traps: 10/10 constraints, Known Traps Along Path: 2/2 constraints]
After SMT, in 33021ms problems are : Problem set: 0 solved, 128 unsolved
Search for dead transitions found 0 dead transitions in 33023ms
Starting structural reductions in LTL mode, iteration 1 : 94/152 places, 129/295 transitions.
Finished structural reductions in LTL mode , in 1 iterations and 33445 ms. Remains : 94/152 places, 129/295 transitions.
Stuttering acceptance computed with spot in 131 ms :[(AND (NOT p1) (NOT p0)), (AND (NOT p1) (NOT p0)), (AND (NOT p1) (NOT p0))]
Running random walk in product with property : SieveSingleMsgMbox-PT-d1m96-LTLFireability-04
Stuttering criterion allowed to conclude after 3 steps with 0 reset in 0 ms.
FORMULA SieveSingleMsgMbox-PT-d1m96-LTLFireability-04 FALSE TECHNIQUES STUTTER_TEST
Treatment of property SieveSingleMsgMbox-PT-d1m96-LTLFireability-04 finished in 33593 ms.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202505121319/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!(((!p0 U (p1&&F(p2))) U X(X(p3))))'
Support contains 5 out of 152 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 152/152 places, 295/295 transitions.
Discarding 17 places :
Symmetric choice reduction at 0 with 17 rule applications. Total rules 17 place count 135 transition count 178
Iterating global reduction 0 with 17 rules applied. Total rules applied 34 place count 135 transition count 178
Ensure Unique test removed 4 transitions
Reduce isomorphic transitions removed 4 transitions.
Iterating post reduction 0 with 4 rules applied. Total rules applied 38 place count 135 transition count 174
Discarding 14 places :
Symmetric choice reduction at 1 with 14 rule applications. Total rules 52 place count 121 transition count 160
Iterating global reduction 1 with 14 rules applied. Total rules applied 66 place count 121 transition count 160
Ensure Unique test removed 6 transitions
Reduce isomorphic transitions removed 6 transitions.
Iterating post reduction 1 with 6 rules applied. Total rules applied 72 place count 121 transition count 154
Discarding 7 places :
Symmetric choice reduction at 2 with 7 rule applications. Total rules 79 place count 114 transition count 146
Iterating global reduction 2 with 7 rules applied. Total rules applied 86 place count 114 transition count 146
Ensure Unique test removed 3 transitions
Reduce isomorphic transitions removed 3 transitions.
Iterating post reduction 2 with 3 rules applied. Total rules applied 89 place count 114 transition count 143
Discarding 1 places :
Symmetric choice reduction at 3 with 1 rule applications. Total rules 90 place count 113 transition count 142
Iterating global reduction 3 with 1 rules applied. Total rules applied 91 place count 113 transition count 142
Discarding 1 places :
Symmetric choice reduction at 3 with 1 rule applications. Total rules 92 place count 112 transition count 141
Iterating global reduction 3 with 1 rules applied. Total rules applied 93 place count 112 transition count 141
Applied a total of 93 rules in 6 ms. Remains 112 /152 variables (removed 40) and now considering 141/295 (removed 154) transitions.
// Phase 1: matrix 141 rows 112 cols
[2025-06-06 01:46:42] [INFO ] Computed 5 invariants in 1 ms
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-06 01:46:42] [INFO ] Implicit Places using invariants in 121 ms returned []
[2025-06-06 01:46:42] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-06 01:46:42] [INFO ] State equation strengthened by 67 read => feed constraints.
[2025-06-06 01:46:43] [INFO ] Implicit Places using invariants and state equation in 383 ms returned []
Implicit Place search using SMT with State Equation took 522 ms to find 0 implicit places.
Running 140 sub problems to find dead transitions.
[2025-06-06 01:46:43] [INFO ] Invariant cache hit.
[2025-06-06 01:46:43] [INFO ] State equation strengthened by 67 read => feed constraints.
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/111 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 140 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/111 variables, 3/4 constraints. Problems are: Problem set: 0 solved, 140 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/111 variables, 0/4 constraints. Problems are: Problem set: 0 solved, 140 unsolved
At refinement iteration 3 (OVERLAPS) 1/112 variables, 1/5 constraints. Problems are: Problem set: 0 solved, 140 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-06 01:46:44] [INFO ] Deduced a trap composed of 34 places in 62 ms of which 3 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-06 01:46:44] [INFO ] Deduced a trap composed of 34 places in 51 ms of which 3 ms to minimize.
At refinement iteration 4 (INCLUDED_ONLY) 0/112 variables, 2/7 constraints. Problems are: Problem set: 0 solved, 140 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/112 variables, 0/7 constraints. Problems are: Problem set: 0 solved, 140 unsolved
At refinement iteration 6 (OVERLAPS) 141/253 variables, 112/119 constraints. Problems are: Problem set: 0 solved, 140 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/253 variables, 67/186 constraints. Problems are: Problem set: 0 solved, 140 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-06 01:46:47] [INFO ] Deduced a trap composed of 47 places in 50 ms of which 3 ms to minimize.
At refinement iteration 8 (INCLUDED_ONLY) 0/253 variables, 1/187 constraints. Problems are: Problem set: 0 solved, 140 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/253 variables, 0/187 constraints. Problems are: Problem set: 0 solved, 140 unsolved
At refinement iteration 10 (OVERLAPS) 0/253 variables, 0/187 constraints. Problems are: Problem set: 0 solved, 140 unsolved
No progress, stopping.
After SMT solving in domain Real declared 253/253 variables, and 187 constraints, problems are : Problem set: 0 solved, 140 unsolved in 11157 ms.
Refiners :[Positive P Invariants (semi-flows): 2/2 constraints, Generalized P Invariants (flows): 3/3 constraints, State Equation: 112/112 constraints, ReadFeed: 67/67 constraints, PredecessorRefiner: 140/140 constraints, Known Traps: 3/3 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 140 unsolved
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/111 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 140 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/111 variables, 3/4 constraints. Problems are: Problem set: 0 solved, 140 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/111 variables, 0/4 constraints. Problems are: Problem set: 0 solved, 140 unsolved
At refinement iteration 3 (OVERLAPS) 1/112 variables, 1/5 constraints. Problems are: Problem set: 0 solved, 140 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/112 variables, 3/8 constraints. Problems are: Problem set: 0 solved, 140 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/112 variables, 0/8 constraints. Problems are: Problem set: 0 solved, 140 unsolved
At refinement iteration 6 (OVERLAPS) 141/253 variables, 112/120 constraints. Problems are: Problem set: 0 solved, 140 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/253 variables, 67/187 constraints. Problems are: Problem set: 0 solved, 140 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/253 variables, 140/327 constraints. Problems are: Problem set: 0 solved, 140 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-06 01:47:01] [INFO ] Deduced a trap along path composed of 17 places in 20 ms of which 1 ms to minimize.
At refinement iteration 9 (INCLUDED_ONLY) 0/253 variables, 1/328 constraints. Problems are: Problem set: 0 solved, 140 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/253 variables, 0/328 constraints. Problems are: Problem set: 0 solved, 140 unsolved
At refinement iteration 11 (OVERLAPS) 0/253 variables, 0/328 constraints. Problems are: Problem set: 0 solved, 140 unsolved
No progress, stopping.
After SMT solving in domain Int declared 253/253 variables, and 328 constraints, problems are : Problem set: 0 solved, 140 unsolved in 27502 ms.
Refiners :[Positive P Invariants (semi-flows): 2/2 constraints, Generalized P Invariants (flows): 3/3 constraints, State Equation: 112/112 constraints, ReadFeed: 67/67 constraints, PredecessorRefiner: 140/140 constraints, Known Traps: 3/3 constraints, Known Traps Along Path: 1/1 constraints]
After SMT, in 38745ms problems are : Problem set: 0 solved, 140 unsolved
Search for dead transitions found 0 dead transitions in 38747ms
Starting structural reductions in LTL mode, iteration 1 : 112/152 places, 141/295 transitions.
Finished structural reductions in LTL mode , in 1 iterations and 39277 ms. Remains : 112/152 places, 141/295 transitions.
Stuttering acceptance computed with spot in 550 ms :[(NOT p3), (NOT p3), (OR (AND (NOT p2) (NOT p3)) (AND (NOT p1) (NOT p3))), (NOT p3), (AND (NOT p2) (NOT p3)), (NOT p3), true, (OR (AND (NOT p1) (NOT p3)) (AND (NOT p2) (NOT p3))), (AND (NOT p2) (NOT p3)), (OR (AND (NOT p2) (NOT p3)) (AND (NOT p1) (NOT p3))), (NOT p3), (NOT p3), (AND (NOT p2) (NOT p3)), (NOT p2), (OR (NOT p2) (NOT p1))]
Running random walk in product with property : SieveSingleMsgMbox-PT-d1m96-LTLFireability-05
Stuttering criterion allowed to conclude after 3 steps with 0 reset in 1 ms.
FORMULA SieveSingleMsgMbox-PT-d1m96-LTLFireability-05 FALSE TECHNIQUES STUTTER_TEST
Treatment of property SieveSingleMsgMbox-PT-d1m96-LTLFireability-05 finished in 39850 ms.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202505121319/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!(X(X((p0||X(p0)||(G(p1)&&F(p2))))))'
Support contains 5 out of 152 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 152/152 places, 295/295 transitions.
Discarding 17 places :
Symmetric choice reduction at 0 with 17 rule applications. Total rules 17 place count 135 transition count 188
Iterating global reduction 0 with 17 rules applied. Total rules applied 34 place count 135 transition count 188
Ensure Unique test removed 5 transitions
Reduce isomorphic transitions removed 5 transitions.
Iterating post reduction 0 with 5 rules applied. Total rules applied 39 place count 135 transition count 183
Discarding 14 places :
Symmetric choice reduction at 1 with 14 rule applications. Total rules 53 place count 121 transition count 169
Iterating global reduction 1 with 14 rules applied. Total rules applied 67 place count 121 transition count 169
Ensure Unique test removed 6 transitions
Reduce isomorphic transitions removed 6 transitions.
Iterating post reduction 1 with 6 rules applied. Total rules applied 73 place count 121 transition count 163
Discarding 10 places :
Symmetric choice reduction at 2 with 10 rule applications. Total rules 83 place count 111 transition count 152
Iterating global reduction 2 with 10 rules applied. Total rules applied 93 place count 111 transition count 152
Ensure Unique test removed 3 transitions
Reduce isomorphic transitions removed 3 transitions.
Iterating post reduction 2 with 3 rules applied. Total rules applied 96 place count 111 transition count 149
Discarding 3 places :
Symmetric choice reduction at 3 with 3 rule applications. Total rules 99 place count 108 transition count 144
Iterating global reduction 3 with 3 rules applied. Total rules applied 102 place count 108 transition count 144
Discarding 3 places :
Symmetric choice reduction at 3 with 3 rule applications. Total rules 105 place count 105 transition count 141
Iterating global reduction 3 with 3 rules applied. Total rules applied 108 place count 105 transition count 141
Discarding 3 places :
Symmetric choice reduction at 3 with 3 rule applications. Total rules 111 place count 102 transition count 138
Iterating global reduction 3 with 3 rules applied. Total rules applied 114 place count 102 transition count 138
Ensure Unique test removed 4 transitions
Reduce isomorphic transitions removed 4 transitions.
Iterating post reduction 3 with 4 rules applied. Total rules applied 118 place count 102 transition count 134
Discarding 3 places :
Symmetric choice reduction at 4 with 3 rule applications. Total rules 121 place count 99 transition count 131
Iterating global reduction 4 with 3 rules applied. Total rules applied 124 place count 99 transition count 131
Discarding 2 places :
Symmetric choice reduction at 4 with 2 rule applications. Total rules 126 place count 97 transition count 129
Iterating global reduction 4 with 2 rules applied. Total rules applied 128 place count 97 transition count 129
Discarding 1 places :
Symmetric choice reduction at 4 with 1 rule applications. Total rules 129 place count 96 transition count 127
Iterating global reduction 4 with 1 rules applied. Total rules applied 130 place count 96 transition count 127
Discarding 1 places :
Symmetric choice reduction at 4 with 1 rule applications. Total rules 131 place count 95 transition count 126
Iterating global reduction 4 with 1 rules applied. Total rules applied 132 place count 95 transition count 126
Discarding 1 places :
Symmetric choice reduction at 4 with 1 rule applications. Total rules 133 place count 94 transition count 125
Iterating global reduction 4 with 1 rules applied. Total rules applied 134 place count 94 transition count 125
Applied a total of 134 rules in 9 ms. Remains 94 /152 variables (removed 58) and now considering 125/295 (removed 170) transitions.
// Phase 1: matrix 125 rows 94 cols
[2025-06-06 01:47:22] [INFO ] Computed 5 invariants in 1 ms
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-06 01:47:22] [INFO ] Implicit Places using invariants in 62 ms returned []
[2025-06-06 01:47:22] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-06 01:47:22] [INFO ] State equation strengthened by 64 read => feed constraints.
[2025-06-06 01:47:23] [INFO ] Implicit Places using invariants and state equation in 285 ms returned []
Implicit Place search using SMT with State Equation took 363 ms to find 0 implicit places.
Running 124 sub problems to find dead transitions.
[2025-06-06 01:47:23] [INFO ] Invariant cache hit.
[2025-06-06 01:47:23] [INFO ] State equation strengthened by 64 read => feed constraints.
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/93 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 124 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/93 variables, 3/4 constraints. Problems are: Problem set: 0 solved, 124 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/93 variables, 0/4 constraints. Problems are: Problem set: 0 solved, 124 unsolved
At refinement iteration 3 (OVERLAPS) 1/94 variables, 1/5 constraints. Problems are: Problem set: 0 solved, 124 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-06 01:47:24] [INFO ] Deduced a trap composed of 28 places in 44 ms of which 3 ms to minimize.
At refinement iteration 4 (INCLUDED_ONLY) 0/94 variables, 1/6 constraints. Problems are: Problem set: 0 solved, 124 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/94 variables, 0/6 constraints. Problems are: Problem set: 0 solved, 124 unsolved
At refinement iteration 6 (OVERLAPS) 125/219 variables, 94/100 constraints. Problems are: Problem set: 0 solved, 124 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/219 variables, 64/164 constraints. Problems are: Problem set: 0 solved, 124 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-06 01:47:25] [INFO ] Deduced a trap composed of 21 places in 42 ms of which 2 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-06 01:47:26] [INFO ] Deduced a trap composed of 27 places in 75 ms of which 7 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-06 01:47:26] [INFO ] Deduced a trap composed of 28 places in 55 ms of which 7 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-06 01:47:26] [INFO ] Deduced a trap composed of 27 places in 69 ms of which 7 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-06 01:47:26] [INFO ] Deduced a trap composed of 26 places in 50 ms of which 7 ms to minimize.
At refinement iteration 8 (INCLUDED_ONLY) 0/219 variables, 5/169 constraints. Problems are: Problem set: 0 solved, 124 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/219 variables, 0/169 constraints. Problems are: Problem set: 0 solved, 124 unsolved
At refinement iteration 10 (OVERLAPS) 0/219 variables, 0/169 constraints. Problems are: Problem set: 0 solved, 124 unsolved
No progress, stopping.
After SMT solving in domain Real declared 219/219 variables, and 169 constraints, problems are : Problem set: 0 solved, 124 unsolved in 9321 ms.
Refiners :[Positive P Invariants (semi-flows): 2/2 constraints, Generalized P Invariants (flows): 3/3 constraints, State Equation: 94/94 constraints, ReadFeed: 64/64 constraints, PredecessorRefiner: 124/124 constraints, Known Traps: 6/6 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 124 unsolved
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/93 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 124 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/93 variables, 3/4 constraints. Problems are: Problem set: 0 solved, 124 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/93 variables, 0/4 constraints. Problems are: Problem set: 0 solved, 124 unsolved
At refinement iteration 3 (OVERLAPS) 1/94 variables, 1/5 constraints. Problems are: Problem set: 0 solved, 124 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/94 variables, 6/11 constraints. Problems are: Problem set: 0 solved, 124 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/94 variables, 0/11 constraints. Problems are: Problem set: 0 solved, 124 unsolved
At refinement iteration 6 (OVERLAPS) 125/219 variables, 94/105 constraints. Problems are: Problem set: 0 solved, 124 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/219 variables, 64/169 constraints. Problems are: Problem set: 0 solved, 124 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/219 variables, 124/293 constraints. Problems are: Problem set: 0 solved, 124 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-06 01:47:38] [INFO ] Deduced a trap along path composed of 17 places in 27 ms of which 0 ms to minimize.
At refinement iteration 9 (INCLUDED_ONLY) 0/219 variables, 1/294 constraints. Problems are: Problem set: 0 solved, 124 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/219 variables, 0/294 constraints. Problems are: Problem set: 0 solved, 124 unsolved
At refinement iteration 11 (OVERLAPS) 0/219 variables, 0/294 constraints. Problems are: Problem set: 0 solved, 124 unsolved
No progress, stopping.
After SMT solving in domain Int declared 219/219 variables, and 294 constraints, problems are : Problem set: 0 solved, 124 unsolved in 23263 ms.
Refiners :[Positive P Invariants (semi-flows): 2/2 constraints, Generalized P Invariants (flows): 3/3 constraints, State Equation: 94/94 constraints, ReadFeed: 64/64 constraints, PredecessorRefiner: 124/124 constraints, Known Traps: 6/6 constraints, Known Traps Along Path: 1/1 constraints]
After SMT, in 32631ms problems are : Problem set: 0 solved, 124 unsolved
Search for dead transitions found 0 dead transitions in 32631ms
Starting structural reductions in LTL mode, iteration 1 : 94/152 places, 125/295 transitions.
Finished structural reductions in LTL mode , in 1 iterations and 33004 ms. Remains : 94/152 places, 125/295 transitions.
Stuttering acceptance computed with spot in 288 ms :[(OR (NOT p1) (NOT p2)), (NOT p0), (NOT p1), (AND (NOT p1) (NOT p0)), (OR (AND (NOT p0) (NOT p1)) (AND (NOT p0) (NOT p2))), (OR (AND (NOT p0) (NOT p1)) (AND (NOT p0) (NOT p2))), (OR (AND (NOT p0) (NOT p1)) (AND (NOT p0) (NOT p2))), (OR (AND (NOT p0) (NOT p1)) (AND (NOT p0) (NOT p2))), true]
Running random walk in product with property : SieveSingleMsgMbox-PT-d1m96-LTLFireability-07
Entered a terminal (fully accepting) state of product in 3 steps with 0 reset in 0 ms.
FORMULA SieveSingleMsgMbox-PT-d1m96-LTLFireability-07 FALSE TECHNIQUES STUTTER_TEST
Treatment of property SieveSingleMsgMbox-PT-d1m96-LTLFireability-07 finished in 33313 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)&&F(p1))))'
Support contains 3 out of 152 places. Attempting structural reductions.
Starting structural reductions in SI_LTL mode, iteration 0 : 152/152 places, 295/295 transitions.
Discarding 19 places :
Symmetric choice reduction at 0 with 19 rule applications. Total rules 19 place count 133 transition count 167
Iterating global reduction 0 with 19 rules applied. Total rules applied 38 place count 133 transition count 167
Ensure Unique test removed 3 transitions
Reduce isomorphic transitions removed 3 transitions.
Iterating post reduction 0 with 3 rules applied. Total rules applied 41 place count 133 transition count 164
Discarding 16 places :
Symmetric choice reduction at 1 with 16 rule applications. Total rules 57 place count 117 transition count 148
Iterating global reduction 1 with 16 rules applied. Total rules applied 73 place count 117 transition count 148
Ensure Unique test removed 7 transitions
Reduce isomorphic transitions removed 7 transitions.
Iterating post reduction 1 with 7 rules applied. Total rules applied 80 place count 117 transition count 141
Discarding 11 places :
Symmetric choice reduction at 2 with 11 rule applications. Total rules 91 place count 106 transition count 130
Iterating global reduction 2 with 11 rules applied. Total rules applied 102 place count 106 transition count 130
Ensure Unique test removed 3 transitions
Reduce isomorphic transitions removed 3 transitions.
Iterating post reduction 2 with 3 rules applied. Total rules applied 105 place count 106 transition count 127
Discarding 4 places :
Symmetric choice reduction at 3 with 4 rule applications. Total rules 109 place count 102 transition count 121
Iterating global reduction 3 with 4 rules applied. Total rules applied 113 place count 102 transition count 121
Discarding 4 places :
Symmetric choice reduction at 3 with 4 rule applications. Total rules 117 place count 98 transition count 117
Iterating global reduction 3 with 4 rules applied. Total rules applied 121 place count 98 transition count 117
Discarding 3 places :
Symmetric choice reduction at 3 with 3 rule applications. Total rules 124 place count 95 transition count 114
Iterating global reduction 3 with 3 rules applied. Total rules applied 127 place count 95 transition count 114
Ensure Unique test removed 2 transitions
Reduce isomorphic transitions removed 2 transitions.
Iterating post reduction 3 with 2 rules applied. Total rules applied 129 place count 95 transition count 112
Discarding 3 places :
Symmetric choice reduction at 4 with 3 rule applications. Total rules 132 place count 92 transition count 109
Iterating global reduction 4 with 3 rules applied. Total rules applied 135 place count 92 transition count 109
Discarding 2 places :
Symmetric choice reduction at 4 with 2 rule applications. Total rules 137 place count 90 transition count 107
Iterating global reduction 4 with 2 rules applied. Total rules applied 139 place count 90 transition count 107
Discarding 1 places :
Symmetric choice reduction at 4 with 1 rule applications. Total rules 140 place count 89 transition count 105
Iterating global reduction 4 with 1 rules applied. Total rules applied 141 place count 89 transition count 105
Discarding 1 places :
Symmetric choice reduction at 4 with 1 rule applications. Total rules 142 place count 88 transition count 104
Iterating global reduction 4 with 1 rules applied. Total rules applied 143 place count 88 transition count 104
Discarding 1 places :
Symmetric choice reduction at 4 with 1 rule applications. Total rules 144 place count 87 transition count 103
Iterating global reduction 4 with 1 rules applied. Total rules applied 145 place count 87 transition count 103
Applied a total of 145 rules in 22 ms. Remains 87 /152 variables (removed 65) and now considering 103/295 (removed 192) transitions.
// Phase 1: matrix 103 rows 87 cols
[2025-06-06 01:47:56] [INFO ] Computed 5 invariants in 1 ms
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-06 01:47:56] [INFO ] Implicit Places using invariants in 95 ms returned []
[2025-06-06 01:47:56] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-06 01:47:56] [INFO ] State equation strengthened by 46 read => feed constraints.
[2025-06-06 01:47:56] [INFO ] Implicit Places using invariants and state equation in 364 ms returned []
Implicit Place search using SMT with State Equation took 461 ms to find 0 implicit places.
Starting Z3 with timeout 200.0 s and query timeout 20000.0 ms
[2025-06-06 01:47:56] [INFO ] Redundant transitions in 3 ms returned []
Running 102 sub problems to find dead transitions.
[2025-06-06 01:47:56] [INFO ] Invariant cache hit.
[2025-06-06 01:47:56] [INFO ] State equation strengthened by 46 read => feed constraints.
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/86 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 102 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/86 variables, 3/4 constraints. Problems are: Problem set: 0 solved, 102 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/86 variables, 0/4 constraints. Problems are: Problem set: 0 solved, 102 unsolved
At refinement iteration 3 (OVERLAPS) 1/87 variables, 1/5 constraints. Problems are: Problem set: 0 solved, 102 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-06 01:47:57] [INFO ] Deduced a trap composed of 26 places in 51 ms of which 2 ms to minimize.
At refinement iteration 4 (INCLUDED_ONLY) 0/87 variables, 1/6 constraints. Problems are: Problem set: 0 solved, 102 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/87 variables, 0/6 constraints. Problems are: Problem set: 0 solved, 102 unsolved
At refinement iteration 6 (OVERLAPS) 103/190 variables, 87/93 constraints. Problems are: Problem set: 0 solved, 102 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/190 variables, 46/139 constraints. Problems are: Problem set: 0 solved, 102 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-06 01:47:58] [INFO ] Deduced a trap composed of 26 places in 62 ms of which 6 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-06 01:47:58] [INFO ] Deduced a trap composed of 27 places in 49 ms of which 3 ms to minimize.
At refinement iteration 8 (INCLUDED_ONLY) 0/190 variables, 2/141 constraints. Problems are: Problem set: 0 solved, 102 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-06 01:47:59] [INFO ] Deduced a trap composed of 26 places in 53 ms of which 7 ms to minimize.
At refinement iteration 9 (INCLUDED_ONLY) 0/190 variables, 1/142 constraints. Problems are: Problem set: 0 solved, 102 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/190 variables, 0/142 constraints. Problems are: Problem set: 0 solved, 102 unsolved
At refinement iteration 11 (OVERLAPS) 0/190 variables, 0/142 constraints. Problems are: Problem set: 0 solved, 102 unsolved
No progress, stopping.
After SMT solving in domain Real declared 190/190 variables, and 142 constraints, problems are : Problem set: 0 solved, 102 unsolved in 6680 ms.
Refiners :[Positive P Invariants (semi-flows): 2/2 constraints, Generalized P Invariants (flows): 3/3 constraints, State Equation: 87/87 constraints, ReadFeed: 46/46 constraints, PredecessorRefiner: 102/102 constraints, Known Traps: 4/4 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 102 unsolved
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/86 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 102 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/86 variables, 3/4 constraints. Problems are: Problem set: 0 solved, 102 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/86 variables, 0/4 constraints. Problems are: Problem set: 0 solved, 102 unsolved
At refinement iteration 3 (OVERLAPS) 1/87 variables, 1/5 constraints. Problems are: Problem set: 0 solved, 102 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/87 variables, 4/9 constraints. Problems are: Problem set: 0 solved, 102 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-06 01:48:03] [INFO ] Deduced a trap composed of 26 places in 47 ms of which 3 ms to minimize.
At refinement iteration 5 (INCLUDED_ONLY) 0/87 variables, 1/10 constraints. Problems are: Problem set: 0 solved, 102 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/87 variables, 0/10 constraints. Problems are: Problem set: 0 solved, 102 unsolved
At refinement iteration 7 (OVERLAPS) 103/190 variables, 87/97 constraints. Problems are: Problem set: 0 solved, 102 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/190 variables, 46/143 constraints. Problems are: Problem set: 0 solved, 102 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/190 variables, 102/245 constraints. Problems are: Problem set: 0 solved, 102 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-06 01:48:06] [INFO ] Deduced a trap along path composed of 4 places in 25 ms of which 0 ms to minimize.
At refinement iteration 10 (INCLUDED_ONLY) 0/190 variables, 1/246 constraints. Problems are: Problem set: 0 solved, 102 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/190 variables, 0/246 constraints. Problems are: Problem set: 0 solved, 102 unsolved
At refinement iteration 12 (OVERLAPS) 0/190 variables, 0/246 constraints. Problems are: Problem set: 0 solved, 102 unsolved
No progress, stopping.
After SMT solving in domain Int declared 190/190 variables, and 246 constraints, problems are : Problem set: 0 solved, 102 unsolved in 16577 ms.
Refiners :[Positive P Invariants (semi-flows): 2/2 constraints, Generalized P Invariants (flows): 3/3 constraints, State Equation: 87/87 constraints, ReadFeed: 46/46 constraints, PredecessorRefiner: 102/102 constraints, Known Traps: 5/5 constraints, Known Traps Along Path: 1/1 constraints]
After SMT, in 23295ms problems are : Problem set: 0 solved, 102 unsolved
Search for dead transitions found 0 dead transitions in 23295ms
Starting structural reductions in SI_LTL mode, iteration 1 : 87/152 places, 103/295 transitions.
Finished structural reductions in SI_LTL mode , in 1 iterations and 23802 ms. Remains : 87/152 places, 103/295 transitions.
Stuttering acceptance computed with spot in 93 ms :[(OR (NOT p0) (NOT p1)), (NOT p0), (NOT p1)]
Running random walk in product with property : SieveSingleMsgMbox-PT-d1m96-LTLFireability-08
Stuttering criterion allowed to conclude after 35 steps with 7 reset in 1 ms.
FORMULA SieveSingleMsgMbox-PT-d1m96-LTLFireability-08 FALSE TECHNIQUES STUTTER_TEST
Treatment of property SieveSingleMsgMbox-PT-d1m96-LTLFireability-08 finished in 23928 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)&&X((G(p1) U X(p2)))) U G(p3))))'
Support contains 5 out of 152 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 152/152 places, 295/295 transitions.
Discarding 17 places :
Symmetric choice reduction at 0 with 17 rule applications. Total rules 17 place count 135 transition count 196
Iterating global reduction 0 with 17 rules applied. Total rules applied 34 place count 135 transition count 196
Ensure Unique test removed 6 transitions
Reduce isomorphic transitions removed 6 transitions.
Iterating post reduction 0 with 6 rules applied. Total rules applied 40 place count 135 transition count 190
Discarding 14 places :
Symmetric choice reduction at 1 with 14 rule applications. Total rules 54 place count 121 transition count 176
Iterating global reduction 1 with 14 rules applied. Total rules applied 68 place count 121 transition count 176
Ensure Unique test removed 5 transitions
Reduce isomorphic transitions removed 5 transitions.
Iterating post reduction 1 with 5 rules applied. Total rules applied 73 place count 121 transition count 171
Discarding 10 places :
Symmetric choice reduction at 2 with 10 rule applications. Total rules 83 place count 111 transition count 160
Iterating global reduction 2 with 10 rules applied. Total rules applied 93 place count 111 transition count 160
Ensure Unique test removed 3 transitions
Reduce isomorphic transitions removed 3 transitions.
Iterating post reduction 2 with 3 rules applied. Total rules applied 96 place count 111 transition count 157
Discarding 3 places :
Symmetric choice reduction at 3 with 3 rule applications. Total rules 99 place count 108 transition count 152
Iterating global reduction 3 with 3 rules applied. Total rules applied 102 place count 108 transition count 152
Discarding 3 places :
Symmetric choice reduction at 3 with 3 rule applications. Total rules 105 place count 105 transition count 149
Iterating global reduction 3 with 3 rules applied. Total rules applied 108 place count 105 transition count 149
Discarding 2 places :
Symmetric choice reduction at 3 with 2 rule applications. Total rules 110 place count 103 transition count 147
Iterating global reduction 3 with 2 rules applied. Total rules applied 112 place count 103 transition count 147
Discarding 2 places :
Symmetric choice reduction at 3 with 2 rule applications. Total rules 114 place count 101 transition count 145
Iterating global reduction 3 with 2 rules applied. Total rules applied 116 place count 101 transition count 145
Discarding 2 places :
Symmetric choice reduction at 3 with 2 rule applications. Total rules 118 place count 99 transition count 143
Iterating global reduction 3 with 2 rules applied. Total rules applied 120 place count 99 transition count 143
Discarding 1 places :
Symmetric choice reduction at 3 with 1 rule applications. Total rules 121 place count 98 transition count 141
Iterating global reduction 3 with 1 rules applied. Total rules applied 122 place count 98 transition count 141
Discarding 1 places :
Symmetric choice reduction at 3 with 1 rule applications. Total rules 123 place count 97 transition count 140
Iterating global reduction 3 with 1 rules applied. Total rules applied 124 place count 97 transition count 140
Discarding 1 places :
Symmetric choice reduction at 3 with 1 rule applications. Total rules 125 place count 96 transition count 139
Iterating global reduction 3 with 1 rules applied. Total rules applied 126 place count 96 transition count 139
Applied a total of 126 rules in 9 ms. Remains 96 /152 variables (removed 56) and now considering 139/295 (removed 156) transitions.
// Phase 1: matrix 139 rows 96 cols
[2025-06-06 01:48:19] [INFO ] Computed 5 invariants in 1 ms
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-06 01:48:19] [INFO ] Implicit Places using invariants in 88 ms returned []
[2025-06-06 01:48:20] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-06 01:48:20] [INFO ] State equation strengthened by 76 read => feed constraints.
[2025-06-06 01:48:20] [INFO ] Implicit Places using invariants and state equation in 285 ms returned []
Implicit Place search using SMT with State Equation took 398 ms to find 0 implicit places.
Running 138 sub problems to find dead transitions.
[2025-06-06 01:48:20] [INFO ] Invariant cache hit.
[2025-06-06 01:48:20] [INFO ] State equation strengthened by 76 read => feed constraints.
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/95 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 138 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/95 variables, 3/4 constraints. Problems are: Problem set: 0 solved, 138 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/95 variables, 0/4 constraints. Problems are: Problem set: 0 solved, 138 unsolved
At refinement iteration 3 (OVERLAPS) 1/96 variables, 1/5 constraints. Problems are: Problem set: 0 solved, 138 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-06 01:48:21] [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
[2025-06-06 01:48:21] [INFO ] Deduced a trap composed of 29 places in 42 ms of which 3 ms to minimize.
At refinement iteration 4 (INCLUDED_ONLY) 0/96 variables, 2/7 constraints. Problems are: Problem set: 0 solved, 138 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/96 variables, 0/7 constraints. Problems are: Problem set: 0 solved, 138 unsolved
At refinement iteration 6 (OVERLAPS) 139/235 variables, 96/103 constraints. Problems are: Problem set: 0 solved, 138 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/235 variables, 76/179 constraints. Problems are: Problem set: 0 solved, 138 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-06 01:48:24] [INFO ] Deduced a trap composed of 28 places in 67 ms of which 7 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-06 01:48:24] [INFO ] Deduced a trap composed of 28 places in 64 ms of which 7 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-06 01:48:24] [INFO ] Deduced a trap composed of 28 places in 54 ms of which 7 ms to minimize.
At refinement iteration 8 (INCLUDED_ONLY) 0/235 variables, 3/182 constraints. Problems are: Problem set: 0 solved, 138 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/235 variables, 0/182 constraints. Problems are: Problem set: 0 solved, 138 unsolved
At refinement iteration 10 (OVERLAPS) 0/235 variables, 0/182 constraints. Problems are: Problem set: 0 solved, 138 unsolved
No progress, stopping.
After SMT solving in domain Real declared 235/235 variables, and 182 constraints, problems are : Problem set: 0 solved, 138 unsolved in 9751 ms.
Refiners :[Positive P Invariants (semi-flows): 2/2 constraints, Generalized P Invariants (flows): 3/3 constraints, State Equation: 96/96 constraints, ReadFeed: 76/76 constraints, PredecessorRefiner: 138/138 constraints, Known Traps: 5/5 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 138 unsolved
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/95 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 138 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/95 variables, 3/4 constraints. Problems are: Problem set: 0 solved, 138 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/95 variables, 0/4 constraints. Problems are: Problem set: 0 solved, 138 unsolved
At refinement iteration 3 (OVERLAPS) 1/96 variables, 1/5 constraints. Problems are: Problem set: 0 solved, 138 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/96 variables, 5/10 constraints. Problems are: Problem set: 0 solved, 138 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/96 variables, 0/10 constraints. Problems are: Problem set: 0 solved, 138 unsolved
At refinement iteration 6 (OVERLAPS) 139/235 variables, 96/106 constraints. Problems are: Problem set: 0 solved, 138 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/235 variables, 76/182 constraints. Problems are: Problem set: 0 solved, 138 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/235 variables, 138/320 constraints. Problems are: Problem set: 0 solved, 138 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-06 01:48:35] [INFO ] Deduced a trap along path composed of 4 places in 23 ms of which 0 ms to minimize.
At refinement iteration 9 (INCLUDED_ONLY) 0/235 variables, 1/321 constraints. Problems are: Problem set: 0 solved, 138 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/235 variables, 0/321 constraints. Problems are: Problem set: 0 solved, 138 unsolved
At refinement iteration 11 (OVERLAPS) 0/235 variables, 0/321 constraints. Problems are: Problem set: 0 solved, 138 unsolved
No progress, stopping.
After SMT solving in domain Int declared 235/235 variables, and 321 constraints, problems are : Problem set: 0 solved, 138 unsolved in 22368 ms.
Refiners :[Positive P Invariants (semi-flows): 2/2 constraints, Generalized P Invariants (flows): 3/3 constraints, State Equation: 96/96 constraints, ReadFeed: 76/76 constraints, PredecessorRefiner: 138/138 constraints, Known Traps: 5/5 constraints, Known Traps Along Path: 1/1 constraints]
After SMT, in 32171ms problems are : Problem set: 0 solved, 138 unsolved
Search for dead transitions found 0 dead transitions in 32172ms
Starting structural reductions in LTL mode, iteration 1 : 96/152 places, 139/295 transitions.
Finished structural reductions in LTL mode , in 1 iterations and 32580 ms. Remains : 96/152 places, 139/295 transitions.
Stuttering acceptance computed with spot in 423 ms :[(NOT p3), (NOT p3), (NOT p0), (NOT p2), (AND (NOT p2) (NOT p3)), (NOT p2), (NOT p2), true, (AND (NOT p3) (NOT p2)), (AND (NOT p3) (NOT p1) (NOT p2)), (NOT p1), (NOT p3), (AND (NOT p1) (NOT p3) p2)]
Running random walk in product with property : SieveSingleMsgMbox-PT-d1m96-LTLFireability-09
Entered a terminal (fully accepting) state of product in 3 steps with 0 reset in 0 ms.
FORMULA SieveSingleMsgMbox-PT-d1m96-LTLFireability-09 FALSE TECHNIQUES STUTTER_TEST
Treatment of property SieveSingleMsgMbox-PT-d1m96-LTLFireability-09 finished in 33035 ms.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202505121319/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!(G(F((!p0 U (p1||G(!p0))))))'
Support contains 3 out of 152 places. Attempting structural reductions.
Starting structural reductions in SI_LTL mode, iteration 0 : 152/152 places, 295/295 transitions.
Discarding 19 places :
Symmetric choice reduction at 0 with 19 rule applications. Total rules 19 place count 133 transition count 176
Iterating global reduction 0 with 19 rules applied. Total rules applied 38 place count 133 transition count 176
Ensure Unique test removed 4 transitions
Reduce isomorphic transitions removed 4 transitions.
Iterating post reduction 0 with 4 rules applied. Total rules applied 42 place count 133 transition count 172
Discarding 16 places :
Symmetric choice reduction at 1 with 16 rule applications. Total rules 58 place count 117 transition count 156
Iterating global reduction 1 with 16 rules applied. Total rules applied 74 place count 117 transition count 156
Ensure Unique test removed 6 transitions
Reduce isomorphic transitions removed 6 transitions.
Iterating post reduction 1 with 6 rules applied. Total rules applied 80 place count 117 transition count 150
Discarding 11 places :
Symmetric choice reduction at 2 with 11 rule applications. Total rules 91 place count 106 transition count 138
Iterating global reduction 2 with 11 rules applied. Total rules applied 102 place count 106 transition count 138
Ensure Unique test removed 3 transitions
Reduce isomorphic transitions removed 3 transitions.
Iterating post reduction 2 with 3 rules applied. Total rules applied 105 place count 106 transition count 135
Discarding 3 places :
Symmetric choice reduction at 3 with 3 rule applications. Total rules 108 place count 103 transition count 130
Iterating global reduction 3 with 3 rules applied. Total rules applied 111 place count 103 transition count 130
Discarding 3 places :
Symmetric choice reduction at 3 with 3 rule applications. Total rules 114 place count 100 transition count 127
Iterating global reduction 3 with 3 rules applied. Total rules applied 117 place count 100 transition count 127
Discarding 3 places :
Symmetric choice reduction at 3 with 3 rule applications. Total rules 120 place count 97 transition count 124
Iterating global reduction 3 with 3 rules applied. Total rules applied 123 place count 97 transition count 124
Ensure Unique test removed 3 transitions
Reduce isomorphic transitions removed 3 transitions.
Iterating post reduction 3 with 3 rules applied. Total rules applied 126 place count 97 transition count 121
Discarding 3 places :
Symmetric choice reduction at 4 with 3 rule applications. Total rules 129 place count 94 transition count 118
Iterating global reduction 4 with 3 rules applied. Total rules applied 132 place count 94 transition count 118
Discarding 2 places :
Symmetric choice reduction at 4 with 2 rule applications. Total rules 134 place count 92 transition count 116
Iterating global reduction 4 with 2 rules applied. Total rules applied 136 place count 92 transition count 116
Discarding 1 places :
Symmetric choice reduction at 4 with 1 rule applications. Total rules 137 place count 91 transition count 114
Iterating global reduction 4 with 1 rules applied. Total rules applied 138 place count 91 transition count 114
Discarding 1 places :
Symmetric choice reduction at 4 with 1 rule applications. Total rules 139 place count 90 transition count 113
Iterating global reduction 4 with 1 rules applied. Total rules applied 140 place count 90 transition count 113
Discarding 1 places :
Symmetric choice reduction at 4 with 1 rule applications. Total rules 141 place count 89 transition count 112
Iterating global reduction 4 with 1 rules applied. Total rules applied 142 place count 89 transition count 112
Applied a total of 142 rules in 22 ms. Remains 89 /152 variables (removed 63) and now considering 112/295 (removed 183) transitions.
// Phase 1: matrix 112 rows 89 cols
[2025-06-06 01:48:52] [INFO ] Computed 5 invariants in 1 ms
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-06 01:48:52] [INFO ] Implicit Places using invariants in 60 ms returned []
[2025-06-06 01:48:53] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-06 01:48:53] [INFO ] State equation strengthened by 54 read => feed constraints.
[2025-06-06 01:48:53] [INFO ] Implicit Places using invariants and state equation in 228 ms returned []
Implicit Place search using SMT with State Equation took 328 ms to find 0 implicit places.
Starting Z3 with timeout 200.0 s and query timeout 20000.0 ms
[2025-06-06 01:48:53] [INFO ] Redundant transitions in 0 ms returned []
Running 111 sub problems to find dead transitions.
[2025-06-06 01:48:53] [INFO ] Invariant cache hit.
[2025-06-06 01:48:53] [INFO ] State equation strengthened by 54 read => feed constraints.
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/88 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 111 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/88 variables, 3/4 constraints. Problems are: Problem set: 0 solved, 111 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/88 variables, 0/4 constraints. Problems are: Problem set: 0 solved, 111 unsolved
At refinement iteration 3 (OVERLAPS) 1/89 variables, 1/5 constraints. Problems are: Problem set: 0 solved, 111 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-06 01:48:54] [INFO ] Deduced a trap composed of 27 places in 41 ms of which 2 ms to minimize.
At refinement iteration 4 (INCLUDED_ONLY) 0/89 variables, 1/6 constraints. Problems are: Problem set: 0 solved, 111 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/89 variables, 0/6 constraints. Problems are: Problem set: 0 solved, 111 unsolved
At refinement iteration 6 (OVERLAPS) 112/201 variables, 89/95 constraints. Problems are: Problem set: 0 solved, 111 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/201 variables, 54/149 constraints. Problems are: Problem set: 0 solved, 111 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-06 01:48:55] [INFO ] Deduced a trap composed of 26 places in 59 ms of which 8 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-06 01:48:55] [INFO ] Deduced a trap composed of 26 places in 50 ms of which 7 ms to minimize.
At refinement iteration 8 (INCLUDED_ONLY) 0/201 variables, 2/151 constraints. Problems are: Problem set: 0 solved, 111 unsolved
All remaining problems are real, not stopping.
At refinement iteration 9 (INCLUDED_ONLY) 0/201 variables, 0/151 constraints. Problems are: Problem set: 0 solved, 111 unsolved
At refinement iteration 10 (OVERLAPS) 0/201 variables, 0/151 constraints. Problems are: Problem set: 0 solved, 111 unsolved
No progress, stopping.
After SMT solving in domain Real declared 201/201 variables, and 151 constraints, problems are : Problem set: 0 solved, 111 unsolved in 5197 ms.
Refiners :[Positive P Invariants (semi-flows): 2/2 constraints, Generalized P Invariants (flows): 3/3 constraints, State Equation: 89/89 constraints, ReadFeed: 54/54 constraints, PredecessorRefiner: 111/111 constraints, Known Traps: 3/3 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 111 unsolved
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/88 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 111 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/88 variables, 3/4 constraints. Problems are: Problem set: 0 solved, 111 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/88 variables, 0/4 constraints. Problems are: Problem set: 0 solved, 111 unsolved
At refinement iteration 3 (OVERLAPS) 1/89 variables, 1/5 constraints. Problems are: Problem set: 0 solved, 111 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/89 variables, 3/8 constraints. Problems are: Problem set: 0 solved, 111 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-06 01:48:58] [INFO ] Deduced a trap composed of 27 places in 29 ms of which 3 ms to minimize.
At refinement iteration 5 (INCLUDED_ONLY) 0/89 variables, 1/9 constraints. Problems are: Problem set: 0 solved, 111 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/89 variables, 0/9 constraints. Problems are: Problem set: 0 solved, 111 unsolved
At refinement iteration 7 (OVERLAPS) 112/201 variables, 89/98 constraints. Problems are: Problem set: 0 solved, 111 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/201 variables, 54/152 constraints. Problems are: Problem set: 0 solved, 111 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/201 variables, 111/263 constraints. Problems are: Problem set: 0 solved, 111 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-06 01:49:02] [INFO ] Deduced a trap along path composed of 17 places in 28 ms of which 0 ms to minimize.
At refinement iteration 10 (INCLUDED_ONLY) 0/201 variables, 1/264 constraints. Problems are: Problem set: 0 solved, 111 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/201 variables, 0/264 constraints. Problems are: Problem set: 0 solved, 111 unsolved
At refinement iteration 12 (OVERLAPS) 0/201 variables, 0/264 constraints. Problems are: Problem set: 0 solved, 111 unsolved
No progress, stopping.
After SMT solving in domain Int declared 201/201 variables, and 264 constraints, problems are : Problem set: 0 solved, 111 unsolved in 16282 ms.
Refiners :[Positive P Invariants (semi-flows): 2/2 constraints, Generalized P Invariants (flows): 3/3 constraints, State Equation: 89/89 constraints, ReadFeed: 54/54 constraints, PredecessorRefiner: 111/111 constraints, Known Traps: 4/4 constraints, Known Traps Along Path: 1/1 constraints]
After SMT, in 21515ms problems are : Problem set: 0 solved, 111 unsolved
Search for dead transitions found 0 dead transitions in 21515ms
Starting structural reductions in SI_LTL mode, iteration 1 : 89/152 places, 112/295 transitions.
Finished structural reductions in SI_LTL mode , in 1 iterations and 21881 ms. Remains : 89/152 places, 112/295 transitions.
Stuttering acceptance computed with spot in 66 ms :[(AND (NOT p1) p0), (AND (NOT p1) p0)]
Running random walk in product with property : SieveSingleMsgMbox-PT-d1m96-LTLFireability-10
Product exploration explored 100000 steps with 22539 reset in 220 ms.
Product exploration explored 100000 steps with 22494 reset in 178 ms.
Computed a total of 13 stabilizing places and 18 stable transitions
Graph (complete) has 292 edges and 89 vertex of which 88 are kept as prefixes of interest. Removing 1 places using SCC suffix rule.4 ms
Computed a total of 13 stabilizing places and 18 stable transitions
Knowledge obtained : [(AND (NOT p1) (NOT p0)), (X (NOT (AND (NOT p1) p0))), (X (AND (NOT p1) (NOT p0))), (X (NOT p0)), (X (NOT p1)), (X (X (NOT (AND (NOT p1) p0)))), (X (X (AND (NOT p1) (NOT p0)))), (X (X (NOT p0))), (X (X (NOT p1)))]
False Knowledge obtained : []
Knowledge based reduction with 9 factoid took 136 ms. Reduced automaton from 2 states, 4 edges and 2 AP (stutter insensitive) to 2 states, 4 edges and 2 AP (stutter insensitive).
Stuttering acceptance computed with spot in 59 ms :[(AND p0 (NOT p1)), (AND p0 (NOT p1))]
RANDOM walk for 40000 steps (8973 resets) in 464 ms. (86 steps per ms) remains 4/4 properties
BEST_FIRST walk for 40002 steps (1947 resets) in 170 ms. (233 steps per ms) remains 4/4 properties
BEST_FIRST walk for 40003 steps (1856 resets) in 152 ms. (261 steps per ms) remains 4/4 properties
BEST_FIRST walk for 40004 steps (1941 resets) in 78 ms. (506 steps per ms) remains 4/4 properties
BEST_FIRST walk for 40002 steps (1886 resets) in 84 ms. (470 steps per ms) remains 4/4 properties
Finished probabilistic random walk after 3966 steps, run visited all 4 properties in 53 ms. (steps per millisecond=74 )
Probabilistic random walk after 3966 steps, saw 1809 distinct states, run finished after 56 ms. (steps per millisecond=70 ) properties seen :4
Knowledge obtained : [(AND (NOT p1) (NOT p0)), (X (NOT (AND (NOT p1) p0))), (X (AND (NOT p1) (NOT p0))), (X (NOT p0)), (X (NOT p1)), (X (X (NOT (AND (NOT p1) p0)))), (X (X (AND (NOT p1) (NOT p0)))), (X (X (NOT p0))), (X (X (NOT p1)))]
False Knowledge obtained : [(F p1), (F (NOT (AND (NOT p0) (NOT p1)))), (F p0), (F (NOT (OR (NOT p0) p1)))]
Knowledge based reduction with 9 factoid took 231 ms. Reduced automaton from 2 states, 4 edges and 2 AP (stutter insensitive) to 2 states, 4 edges and 2 AP (stutter insensitive).
Stuttering acceptance computed with spot in 63 ms :[(AND p0 (NOT p1)), (AND p0 (NOT p1))]
Stuttering acceptance computed with spot in 60 ms :[(AND p0 (NOT p1)), (AND p0 (NOT p1))]
Support contains 3 out of 89 places. Attempting structural reductions.
Starting structural reductions in SI_LTL mode, iteration 0 : 89/89 places, 112/112 transitions.
Applied a total of 0 rules in 2 ms. Remains 89 /89 variables (removed 0) and now considering 112/112 (removed 0) transitions.
[2025-06-06 01:49:16] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-06 01:49:16] [INFO ] Implicit Places using invariants in 70 ms returned []
[2025-06-06 01:49:16] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-06 01:49:16] [INFO ] State equation strengthened by 54 read => feed constraints.
[2025-06-06 01:49:16] [INFO ] Implicit Places using invariants and state equation in 239 ms returned []
Implicit Place search using SMT with State Equation took 313 ms to find 0 implicit places.
Starting Z3 with timeout 200.0 s and query timeout 20000.0 ms
[2025-06-06 01:49:16] [INFO ] Redundant transitions in 0 ms returned []
Running 111 sub problems to find dead transitions.
[2025-06-06 01:49:16] [INFO ] Invariant cache hit.
[2025-06-06 01:49:16] [INFO ] State equation strengthened by 54 read => feed constraints.
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/88 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 111 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/88 variables, 3/4 constraints. Problems are: Problem set: 0 solved, 111 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/88 variables, 0/4 constraints. Problems are: Problem set: 0 solved, 111 unsolved
At refinement iteration 3 (OVERLAPS) 1/89 variables, 1/5 constraints. Problems are: Problem set: 0 solved, 111 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-06 01:49:17] [INFO ] Deduced a trap composed of 27 places in 49 ms of which 2 ms to minimize.
At refinement iteration 4 (INCLUDED_ONLY) 0/89 variables, 1/6 constraints. Problems are: Problem set: 0 solved, 111 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/89 variables, 0/6 constraints. Problems are: Problem set: 0 solved, 111 unsolved
At refinement iteration 6 (OVERLAPS) 112/201 variables, 89/95 constraints. Problems are: Problem set: 0 solved, 111 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/201 variables, 54/149 constraints. Problems are: Problem set: 0 solved, 111 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-06 01:49:19] [INFO ] Deduced a trap composed of 26 places in 55 ms of which 7 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-06 01:49:19] [INFO ] Deduced a trap composed of 26 places in 53 ms of which 7 ms to minimize.
At refinement iteration 8 (INCLUDED_ONLY) 0/201 variables, 2/151 constraints. Problems are: Problem set: 0 solved, 111 unsolved
All remaining problems are real, not stopping.
At refinement iteration 9 (INCLUDED_ONLY) 0/201 variables, 0/151 constraints. Problems are: Problem set: 0 solved, 111 unsolved
At refinement iteration 10 (OVERLAPS) 0/201 variables, 0/151 constraints. Problems are: Problem set: 0 solved, 111 unsolved
No progress, stopping.
After SMT solving in domain Real declared 201/201 variables, and 151 constraints, problems are : Problem set: 0 solved, 111 unsolved in 5389 ms.
Refiners :[Positive P Invariants (semi-flows): 2/2 constraints, Generalized P Invariants (flows): 3/3 constraints, State Equation: 89/89 constraints, ReadFeed: 54/54 constraints, PredecessorRefiner: 111/111 constraints, Known Traps: 3/3 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 111 unsolved
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/88 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 111 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/88 variables, 3/4 constraints. Problems are: Problem set: 0 solved, 111 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/88 variables, 0/4 constraints. Problems are: Problem set: 0 solved, 111 unsolved
At refinement iteration 3 (OVERLAPS) 1/89 variables, 1/5 constraints. Problems are: Problem set: 0 solved, 111 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/89 variables, 3/8 constraints. Problems are: Problem set: 0 solved, 111 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-06 01:49:22] [INFO ] Deduced a trap composed of 27 places in 31 ms of which 3 ms to minimize.
At refinement iteration 5 (INCLUDED_ONLY) 0/89 variables, 1/9 constraints. Problems are: Problem set: 0 solved, 111 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/89 variables, 0/9 constraints. Problems are: Problem set: 0 solved, 111 unsolved
At refinement iteration 7 (OVERLAPS) 112/201 variables, 89/98 constraints. Problems are: Problem set: 0 solved, 111 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/201 variables, 54/152 constraints. Problems are: Problem set: 0 solved, 111 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/201 variables, 111/263 constraints. Problems are: Problem set: 0 solved, 111 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-06 01:49:25] [INFO ] Deduced a trap along path composed of 17 places in 17 ms of which 0 ms to minimize.
At refinement iteration 10 (INCLUDED_ONLY) 0/201 variables, 1/264 constraints. Problems are: Problem set: 0 solved, 111 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/201 variables, 0/264 constraints. Problems are: Problem set: 0 solved, 111 unsolved
At refinement iteration 12 (OVERLAPS) 0/201 variables, 0/264 constraints. Problems are: Problem set: 0 solved, 111 unsolved
No progress, stopping.
After SMT solving in domain Int declared 201/201 variables, and 264 constraints, problems are : Problem set: 0 solved, 111 unsolved in 16024 ms.
Refiners :[Positive P Invariants (semi-flows): 2/2 constraints, Generalized P Invariants (flows): 3/3 constraints, State Equation: 89/89 constraints, ReadFeed: 54/54 constraints, PredecessorRefiner: 111/111 constraints, Known Traps: 4/4 constraints, Known Traps Along Path: 1/1 constraints]
After SMT, in 21446ms problems are : Problem set: 0 solved, 111 unsolved
Search for dead transitions found 0 dead transitions in 21446ms
Finished structural reductions in SI_LTL mode , in 1 iterations and 21772 ms. Remains : 89/89 places, 112/112 transitions.
Computed a total of 13 stabilizing places and 18 stable transitions
Graph (complete) has 292 edges and 89 vertex of which 88 are kept as prefixes of interest. Removing 1 places using SCC suffix rule.1 ms
Computed a total of 13 stabilizing places and 18 stable transitions
Knowledge obtained : [(AND (NOT p0) (NOT p1)), (X (AND (NOT p0) (NOT p1))), (X (NOT (AND p0 (NOT p1)))), (X (NOT p0)), (X (NOT p1)), (X (X (AND (NOT p0) (NOT p1)))), (X (X (NOT (AND p0 (NOT p1))))), (X (X (NOT p0))), (X (X (NOT p1)))]
False Knowledge obtained : []
Knowledge based reduction with 9 factoid took 96 ms. Reduced automaton from 2 states, 4 edges and 2 AP (stutter insensitive) to 2 states, 4 edges and 2 AP (stutter insensitive).
Stuttering acceptance computed with spot in 63 ms :[(AND p0 (NOT p1)), (AND p0 (NOT p1))]
RANDOM walk for 40000 steps (8990 resets) in 283 ms. (140 steps per ms) remains 4/4 properties
BEST_FIRST walk for 40003 steps (1903 resets) in 171 ms. (232 steps per ms) remains 4/4 properties
BEST_FIRST walk for 40001 steps (1908 resets) in 94 ms. (421 steps per ms) remains 4/4 properties
BEST_FIRST walk for 40001 steps (1891 resets) in 82 ms. (481 steps per ms) remains 4/4 properties
BEST_FIRST walk for 40004 steps (1929 resets) in 75 ms. (526 steps per ms) remains 4/4 properties
Finished probabilistic random walk after 3966 steps, run visited all 4 properties in 19 ms. (steps per millisecond=208 )
Probabilistic random walk after 3966 steps, saw 1809 distinct states, run finished after 19 ms. (steps per millisecond=208 ) properties seen :4
Knowledge obtained : [(AND (NOT p0) (NOT p1)), (X (AND (NOT p0) (NOT p1))), (X (NOT (AND p0 (NOT p1)))), (X (NOT p0)), (X (NOT p1)), (X (X (AND (NOT p0) (NOT p1)))), (X (X (NOT (AND p0 (NOT p1))))), (X (X (NOT p0))), (X (X (NOT p1)))]
False Knowledge obtained : [(F p1), (F (NOT (AND (NOT p0) (NOT p1)))), (F p0), (F (NOT (OR (NOT p0) p1)))]
Knowledge based reduction with 9 factoid took 173 ms. Reduced automaton from 2 states, 4 edges and 2 AP (stutter insensitive) to 2 states, 4 edges and 2 AP (stutter insensitive).
Stuttering acceptance computed with spot in 60 ms :[(AND p0 (NOT p1)), (AND p0 (NOT p1))]
Stuttering acceptance computed with spot in 69 ms :[(AND p0 (NOT p1)), (AND p0 (NOT p1))]
Stuttering acceptance computed with spot in 60 ms :[(AND p0 (NOT p1)), (AND p0 (NOT p1))]
Product exploration explored 100000 steps with 22459 reset in 151 ms.
Product exploration explored 100000 steps with 22331 reset in 125 ms.
Built C files in :
/tmp/ltsmin13345309115139110352
[2025-06-06 01:49:39] [INFO ] Computing symmetric may disable matrix : 112 transitions.
[2025-06-06 01:49:39] [INFO ] Computation of Complete disable matrix. took 1 ms. Total solver calls (SAT/UNSAT): 0(0/0)
[2025-06-06 01:49:39] [INFO ] Computing symmetric may enable matrix : 112 transitions.
[2025-06-06 01:49:39] [INFO ] Computation of Complete enable matrix. took 1 ms. Total solver calls (SAT/UNSAT): 0(0/0)
[2025-06-06 01:49:39] [INFO ] Computing Do-Not-Accords matrix : 112 transitions.
[2025-06-06 01:49:39] [INFO ] Computation of Completed DNA matrix. took 1 ms. Total solver calls (SAT/UNSAT): 0(0/0)
[2025-06-06 01:49:39] [INFO ] Built C files in 37ms conformant to PINS (ltsmin variant)in folder :/tmp/ltsmin13345309115139110352
Running compilation step : cd /tmp/ltsmin13345309115139110352;'/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 392 ms.
Running link step : cd /tmp/ltsmin13345309115139110352;'gcc' '-shared' '-o' 'gal.so' 'model.o'
Link finished in 39 ms.
Running LTSmin : cd /tmp/ltsmin13345309115139110352;'/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/stateBased3424375601132856389.hoa' '--buchi-type=spotba'
LTSmin run took 5520 ms.
FORMULA SieveSingleMsgMbox-PT-d1m96-LTLFireability-10 FALSE TECHNIQUES PARTIAL_ORDER EXPLICIT LTSMIN SAT_SMT
Treatment of property SieveSingleMsgMbox-PT-d1m96-LTLFireability-10 finished in 52363 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))'
Support contains 2 out of 152 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 152/152 places, 295/295 transitions.
Discarding 20 places :
Symmetric choice reduction at 0 with 20 rule applications. Total rules 20 place count 132 transition count 166
Iterating global reduction 0 with 20 rules applied. Total rules applied 40 place count 132 transition count 166
Ensure Unique test removed 3 transitions
Reduce isomorphic transitions removed 3 transitions.
Iterating post reduction 0 with 3 rules applied. Total rules applied 43 place count 132 transition count 163
Discarding 17 places :
Symmetric choice reduction at 1 with 17 rule applications. Total rules 60 place count 115 transition count 146
Iterating global reduction 1 with 17 rules applied. Total rules applied 77 place count 115 transition count 146
Ensure Unique test removed 7 transitions
Reduce isomorphic transitions removed 7 transitions.
Iterating post reduction 1 with 7 rules applied. Total rules applied 84 place count 115 transition count 139
Discarding 12 places :
Symmetric choice reduction at 2 with 12 rule applications. Total rules 96 place count 103 transition count 126
Iterating global reduction 2 with 12 rules applied. Total rules applied 108 place count 103 transition count 126
Ensure Unique test removed 4 transitions
Reduce isomorphic transitions removed 4 transitions.
Iterating post reduction 2 with 4 rules applied. Total rules applied 112 place count 103 transition count 122
Discarding 4 places :
Symmetric choice reduction at 3 with 4 rule applications. Total rules 116 place count 99 transition count 116
Iterating global reduction 3 with 4 rules applied. Total rules applied 120 place count 99 transition count 116
Discarding 4 places :
Symmetric choice reduction at 3 with 4 rule applications. Total rules 124 place count 95 transition count 112
Iterating global reduction 3 with 4 rules applied. Total rules applied 128 place count 95 transition count 112
Discarding 3 places :
Symmetric choice reduction at 3 with 3 rule applications. Total rules 131 place count 92 transition count 109
Iterating global reduction 3 with 3 rules applied. Total rules applied 134 place count 92 transition count 109
Ensure Unique test removed 2 transitions
Reduce isomorphic transitions removed 2 transitions.
Iterating post reduction 3 with 2 rules applied. Total rules applied 136 place count 92 transition count 107
Discarding 3 places :
Symmetric choice reduction at 4 with 3 rule applications. Total rules 139 place count 89 transition count 104
Iterating global reduction 4 with 3 rules applied. Total rules applied 142 place count 89 transition count 104
Discarding 2 places :
Symmetric choice reduction at 4 with 2 rule applications. Total rules 144 place count 87 transition count 102
Iterating global reduction 4 with 2 rules applied. Total rules applied 146 place count 87 transition count 102
Discarding 1 places :
Symmetric choice reduction at 4 with 1 rule applications. Total rules 147 place count 86 transition count 100
Iterating global reduction 4 with 1 rules applied. Total rules applied 148 place count 86 transition count 100
Discarding 1 places :
Symmetric choice reduction at 4 with 1 rule applications. Total rules 149 place count 85 transition count 99
Iterating global reduction 4 with 1 rules applied. Total rules applied 150 place count 85 transition count 99
Discarding 1 places :
Symmetric choice reduction at 4 with 1 rule applications. Total rules 151 place count 84 transition count 98
Iterating global reduction 4 with 1 rules applied. Total rules applied 152 place count 84 transition count 98
Applied a total of 152 rules in 7 ms. Remains 84 /152 variables (removed 68) and now considering 98/295 (removed 197) transitions.
// Phase 1: matrix 98 rows 84 cols
[2025-06-06 01:49:45] [INFO ] Computed 5 invariants in 0 ms
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-06 01:49:45] [INFO ] Implicit Places using invariants in 98 ms returned []
[2025-06-06 01:49:45] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-06 01:49:45] [INFO ] State equation strengthened by 44 read => feed constraints.
[2025-06-06 01:49:45] [INFO ] Implicit Places using invariants and state equation in 189 ms returned []
Implicit Place search using SMT with State Equation took 298 ms to find 0 implicit places.
Running 97 sub problems to find dead transitions.
[2025-06-06 01:49:45] [INFO ] Invariant cache hit.
[2025-06-06 01:49:45] [INFO ] State equation strengthened by 44 read => feed constraints.
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/83 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 97 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/83 variables, 3/4 constraints. Problems are: Problem set: 0 solved, 97 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/83 variables, 0/4 constraints. Problems are: Problem set: 0 solved, 97 unsolved
At refinement iteration 3 (OVERLAPS) 1/84 variables, 1/5 constraints. Problems are: Problem set: 0 solved, 97 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-06 01:49:46] [INFO ] Deduced a trap composed of 25 places in 31 ms of which 2 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-06 01:49:46] [INFO ] Deduced a trap composed of 25 places in 45 ms of which 3 ms to minimize.
At refinement iteration 4 (INCLUDED_ONLY) 0/84 variables, 2/7 constraints. Problems are: Problem set: 0 solved, 97 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/84 variables, 0/7 constraints. Problems are: Problem set: 0 solved, 97 unsolved
At refinement iteration 6 (OVERLAPS) 98/182 variables, 84/91 constraints. Problems are: Problem set: 0 solved, 97 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/182 variables, 44/135 constraints. Problems are: Problem set: 0 solved, 97 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-06 01:49:47] [INFO ] Deduced a trap composed of 25 places in 59 ms of which 6 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-06 01:49:47] [INFO ] Deduced a trap composed of 26 places in 67 ms of which 6 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-06 01:49:47] [INFO ] Deduced a trap composed of 24 places in 57 ms of which 7 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-06 01:49:48] [INFO ] Deduced a trap composed of 25 places in 56 ms of which 6 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-06 01:49:48] [INFO ] Deduced a trap composed of 24 places in 56 ms of which 7 ms to minimize.
At refinement iteration 8 (INCLUDED_ONLY) 0/182 variables, 5/140 constraints. Problems are: Problem set: 0 solved, 97 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/182 variables, 0/140 constraints. Problems are: Problem set: 0 solved, 97 unsolved
At refinement iteration 10 (OVERLAPS) 0/182 variables, 0/140 constraints. Problems are: Problem set: 0 solved, 97 unsolved
No progress, stopping.
After SMT solving in domain Real declared 182/182 variables, and 140 constraints, problems are : Problem set: 0 solved, 97 unsolved in 5068 ms.
Refiners :[Positive P Invariants (semi-flows): 2/2 constraints, Generalized P Invariants (flows): 3/3 constraints, State Equation: 84/84 constraints, ReadFeed: 44/44 constraints, PredecessorRefiner: 97/97 constraints, Known Traps: 7/7 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 97 unsolved
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/83 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 97 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/83 variables, 3/4 constraints. Problems are: Problem set: 0 solved, 97 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/83 variables, 0/4 constraints. Problems are: Problem set: 0 solved, 97 unsolved
At refinement iteration 3 (OVERLAPS) 1/84 variables, 1/5 constraints. Problems are: Problem set: 0 solved, 97 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/84 variables, 7/12 constraints. Problems are: Problem set: 0 solved, 97 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/84 variables, 0/12 constraints. Problems are: Problem set: 0 solved, 97 unsolved
At refinement iteration 6 (OVERLAPS) 98/182 variables, 84/96 constraints. Problems are: Problem set: 0 solved, 97 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/182 variables, 44/140 constraints. Problems are: Problem set: 0 solved, 97 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/182 variables, 97/237 constraints. Problems are: Problem set: 0 solved, 97 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-06 01:49:53] [INFO ] Deduced a trap along path composed of 17 places in 24 ms of which 1 ms to minimize.
At refinement iteration 9 (INCLUDED_ONLY) 0/182 variables, 1/238 constraints. Problems are: Problem set: 0 solved, 97 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/182 variables, 0/238 constraints. Problems are: Problem set: 0 solved, 97 unsolved
At refinement iteration 11 (OVERLAPS) 0/182 variables, 0/238 constraints. Problems are: Problem set: 0 solved, 97 unsolved
No progress, stopping.
After SMT solving in domain Int declared 182/182 variables, and 238 constraints, problems are : Problem set: 0 solved, 97 unsolved in 13135 ms.
Refiners :[Positive P Invariants (semi-flows): 2/2 constraints, Generalized P Invariants (flows): 3/3 constraints, State Equation: 84/84 constraints, ReadFeed: 44/44 constraints, PredecessorRefiner: 97/97 constraints, Known Traps: 7/7 constraints, Known Traps Along Path: 1/1 constraints]
After SMT, in 18248ms problems are : Problem set: 0 solved, 97 unsolved
Search for dead transitions found 0 dead transitions in 18248ms
Starting structural reductions in LTL mode, iteration 1 : 84/152 places, 98/295 transitions.
Finished structural reductions in LTL mode , in 1 iterations and 18553 ms. Remains : 84/152 places, 98/295 transitions.
Stuttering acceptance computed with spot in 79 ms :[(NOT p0), (NOT p0), true]
Running random walk in product with property : SieveSingleMsgMbox-PT-d1m96-LTLFireability-13
Product exploration explored 100000 steps with 50000 reset in 232 ms.
Product exploration explored 100000 steps with 50000 reset in 211 ms.
Computed a total of 13 stabilizing places and 17 stable transitions
Graph (complete) has 269 edges and 84 vertex of which 83 are kept as prefixes of interest. Removing 1 places using SCC suffix rule.0 ms
Computed a total of 13 stabilizing places and 17 stable transitions
Knowledge obtained : [p0, (X p0)]
False Knowledge obtained : []
Property proved to be true thanks to knowledge (Minato strategy)
Knowledge based reduction with 2 factoid took 9 ms. Reduced automaton from 3 states, 3 edges and 1 AP (stutter sensitive) to 1 states, 0 edges and 0 AP (stutter insensitive).
FORMULA SieveSingleMsgMbox-PT-d1m96-LTLFireability-13 TRUE TECHNIQUES KNOWLEDGE
Treatment of property SieveSingleMsgMbox-PT-d1m96-LTLFireability-13 finished in 19122 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((G(p0)&&X(!p1)))))))'
Support contains 3 out of 152 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 152/152 places, 295/295 transitions.
Discarding 19 places :
Symmetric choice reduction at 0 with 19 rule applications. Total rules 19 place count 133 transition count 176
Iterating global reduction 0 with 19 rules applied. Total rules applied 38 place count 133 transition count 176
Ensure Unique test removed 4 transitions
Reduce isomorphic transitions removed 4 transitions.
Iterating post reduction 0 with 4 rules applied. Total rules applied 42 place count 133 transition count 172
Discarding 16 places :
Symmetric choice reduction at 1 with 16 rule applications. Total rules 58 place count 117 transition count 156
Iterating global reduction 1 with 16 rules applied. Total rules applied 74 place count 117 transition count 156
Ensure Unique test removed 6 transitions
Reduce isomorphic transitions removed 6 transitions.
Iterating post reduction 1 with 6 rules applied. Total rules applied 80 place count 117 transition count 150
Discarding 11 places :
Symmetric choice reduction at 2 with 11 rule applications. Total rules 91 place count 106 transition count 138
Iterating global reduction 2 with 11 rules applied. Total rules applied 102 place count 106 transition count 138
Ensure Unique test removed 3 transitions
Reduce isomorphic transitions removed 3 transitions.
Iterating post reduction 2 with 3 rules applied. Total rules applied 105 place count 106 transition count 135
Discarding 3 places :
Symmetric choice reduction at 3 with 3 rule applications. Total rules 108 place count 103 transition count 130
Iterating global reduction 3 with 3 rules applied. Total rules applied 111 place count 103 transition count 130
Discarding 3 places :
Symmetric choice reduction at 3 with 3 rule applications. Total rules 114 place count 100 transition count 127
Iterating global reduction 3 with 3 rules applied. Total rules applied 117 place count 100 transition count 127
Discarding 2 places :
Symmetric choice reduction at 3 with 2 rule applications. Total rules 119 place count 98 transition count 125
Iterating global reduction 3 with 2 rules applied. Total rules applied 121 place count 98 transition count 125
Discarding 2 places :
Symmetric choice reduction at 3 with 2 rule applications. Total rules 123 place count 96 transition count 123
Iterating global reduction 3 with 2 rules applied. Total rules applied 125 place count 96 transition count 123
Discarding 2 places :
Symmetric choice reduction at 3 with 2 rule applications. Total rules 127 place count 94 transition count 121
Iterating global reduction 3 with 2 rules applied. Total rules applied 129 place count 94 transition count 121
Discarding 1 places :
Symmetric choice reduction at 3 with 1 rule applications. Total rules 130 place count 93 transition count 119
Iterating global reduction 3 with 1 rules applied. Total rules applied 131 place count 93 transition count 119
Discarding 1 places :
Symmetric choice reduction at 3 with 1 rule applications. Total rules 132 place count 92 transition count 118
Iterating global reduction 3 with 1 rules applied. Total rules applied 133 place count 92 transition count 118
Discarding 1 places :
Symmetric choice reduction at 3 with 1 rule applications. Total rules 134 place count 91 transition count 117
Iterating global reduction 3 with 1 rules applied. Total rules applied 135 place count 91 transition count 117
Applied a total of 135 rules in 9 ms. Remains 91 /152 variables (removed 61) and now considering 117/295 (removed 178) transitions.
// Phase 1: matrix 117 rows 91 cols
[2025-06-06 01:50:04] [INFO ] Computed 5 invariants in 1 ms
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-06 01:50:04] [INFO ] Implicit Places using invariants in 119 ms returned []
[2025-06-06 01:50:04] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-06 01:50:04] [INFO ] State equation strengthened by 58 read => feed constraints.
[2025-06-06 01:50:05] [INFO ] Implicit Places using invariants and state equation in 652 ms returned []
Implicit Place search using SMT with State Equation took 808 ms to find 0 implicit places.
Running 116 sub problems to find dead transitions.
[2025-06-06 01:50:05] [INFO ] Invariant cache hit.
[2025-06-06 01:50:05] [INFO ] State equation strengthened by 58 read => feed constraints.
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/90 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 116 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/90 variables, 3/4 constraints. Problems are: Problem set: 0 solved, 116 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/90 variables, 0/4 constraints. Problems are: Problem set: 0 solved, 116 unsolved
At refinement iteration 3 (OVERLAPS) 1/91 variables, 1/5 constraints. Problems are: Problem set: 0 solved, 116 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-06 01:50:06] [INFO ] Deduced a trap composed of 27 places in 53 ms of which 3 ms to minimize.
At refinement iteration 4 (INCLUDED_ONLY) 0/91 variables, 1/6 constraints. Problems are: Problem set: 0 solved, 116 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/91 variables, 0/6 constraints. Problems are: Problem set: 0 solved, 116 unsolved
At refinement iteration 6 (OVERLAPS) 117/208 variables, 91/97 constraints. Problems are: Problem set: 0 solved, 116 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/208 variables, 58/155 constraints. Problems are: Problem set: 0 solved, 116 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-06 01:50:08] [INFO ] Deduced a trap composed of 26 places in 61 ms of which 8 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-06 01:50:08] [INFO ] Deduced a trap composed of 26 places in 167 ms of which 7 ms to minimize.
At refinement iteration 8 (INCLUDED_ONLY) 0/208 variables, 2/157 constraints. Problems are: Problem set: 0 solved, 116 unsolved
All remaining problems are real, not stopping.
At refinement iteration 9 (INCLUDED_ONLY) 0/208 variables, 0/157 constraints. Problems are: Problem set: 0 solved, 116 unsolved
At refinement iteration 10 (OVERLAPS) 0/208 variables, 0/157 constraints. Problems are: Problem set: 0 solved, 116 unsolved
No progress, stopping.
After SMT solving in domain Real declared 208/208 variables, and 157 constraints, problems are : Problem set: 0 solved, 116 unsolved in 5509 ms.
Refiners :[Positive P Invariants (semi-flows): 2/2 constraints, Generalized P Invariants (flows): 3/3 constraints, State Equation: 91/91 constraints, ReadFeed: 58/58 constraints, PredecessorRefiner: 116/116 constraints, Known Traps: 3/3 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 116 unsolved
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/90 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 116 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/90 variables, 3/4 constraints. Problems are: Problem set: 0 solved, 116 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/90 variables, 0/4 constraints. Problems are: Problem set: 0 solved, 116 unsolved
At refinement iteration 3 (OVERLAPS) 1/91 variables, 1/5 constraints. Problems are: Problem set: 0 solved, 116 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/91 variables, 3/8 constraints. Problems are: Problem set: 0 solved, 116 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/91 variables, 0/8 constraints. Problems are: Problem set: 0 solved, 116 unsolved
At refinement iteration 6 (OVERLAPS) 117/208 variables, 91/99 constraints. Problems are: Problem set: 0 solved, 116 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/208 variables, 58/157 constraints. Problems are: Problem set: 0 solved, 116 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/208 variables, 116/273 constraints. Problems are: Problem set: 0 solved, 116 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-06 01:50:14] [INFO ] Deduced a trap along path composed of 4 places in 46 ms of which 1 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-06 01:50:14] [INFO ] Deduced a trap along path composed of 17 places in 21 ms of which 1 ms to minimize.
At refinement iteration 9 (INCLUDED_ONLY) 0/208 variables, 2/275 constraints. Problems are: Problem set: 0 solved, 116 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/208 variables, 0/275 constraints. Problems are: Problem set: 0 solved, 116 unsolved
At refinement iteration 11 (OVERLAPS) 0/208 variables, 0/275 constraints. Problems are: Problem set: 0 solved, 116 unsolved
No progress, stopping.
After SMT solving in domain Int declared 208/208 variables, and 275 constraints, problems are : Problem set: 0 solved, 116 unsolved in 20777 ms.
Refiners :[Positive P Invariants (semi-flows): 2/2 constraints, Generalized P Invariants (flows): 3/3 constraints, State Equation: 91/91 constraints, ReadFeed: 58/58 constraints, PredecessorRefiner: 116/116 constraints, Known Traps: 3/3 constraints, Known Traps Along Path: 2/2 constraints]
After SMT, in 26351ms problems are : Problem set: 0 solved, 116 unsolved
Search for dead transitions found 0 dead transitions in 26351ms
Starting structural reductions in LTL mode, iteration 1 : 91/152 places, 117/295 transitions.
Finished structural reductions in LTL mode , in 1 iterations and 27169 ms. Remains : 91/152 places, 117/295 transitions.
Stuttering acceptance computed with spot in 175 ms :[(OR (NOT p0) p1), (OR (NOT p0) p1), (OR (NOT p0) p1), (OR (NOT p0) p1), (NOT p0), p1]
Running random walk in product with property : SieveSingleMsgMbox-PT-d1m96-LTLFireability-14
Product exploration explored 100000 steps with 24470 reset in 219 ms.
Product exploration explored 100000 steps with 24428 reset in 214 ms.
Computed a total of 13 stabilizing places and 18 stable transitions
Graph (complete) has 300 edges and 91 vertex of which 90 are kept as prefixes of interest. Removing 1 places using SCC suffix rule.5 ms
Computed a total of 13 stabilizing places and 18 stable transitions
Knowledge obtained : [(AND p0 (NOT p1))]
False Knowledge obtained : []
Knowledge based reduction with 1 factoid took 65 ms. Reduced automaton from 6 states, 11 edges and 2 AP (stutter sensitive) to 6 states, 11 edges and 2 AP (stutter sensitive).
Stuttering acceptance computed with spot in 255 ms :[(OR (NOT p0) p1), (OR (NOT p0) p1), (OR (NOT p0) p1), (OR (NOT p0) p1), (NOT p0), p1]
RANDOM walk for 40000 steps (8974 resets) in 203 ms. (196 steps per ms) remains 4/4 properties
BEST_FIRST walk for 40001 steps (1990 resets) in 66 ms. (597 steps per ms) remains 4/4 properties
BEST_FIRST walk for 40002 steps (1939 resets) in 53 ms. (740 steps per ms) remains 4/4 properties
BEST_FIRST walk for 40002 steps (1921 resets) in 48 ms. (816 steps per ms) remains 4/4 properties
BEST_FIRST walk for 40003 steps (1905 resets) in 34 ms. (1142 steps per ms) remains 4/4 properties
Interrupted probabilistic random walk after 2378047 steps, run timeout after 3001 ms. (steps per millisecond=792 ) properties seen :3 out of 4
Probabilistic random walk after 2378047 steps, saw 1073333 distinct states, run finished after 3001 ms. (steps per millisecond=792 ) properties seen :3
[2025-06-06 01:50:35] [INFO ] Invariant cache hit.
[2025-06-06 01:50:35] [INFO ] State equation strengthened by 58 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, 1 unsolved
At refinement iteration 1 (OVERLAPS) 46/49 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/49 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (OVERLAPS) 18/67 variables, 2/3 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/67 variables, 0/3 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (OVERLAPS) 5/72 variables, 2/5 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/72 variables, 0/5 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (OVERLAPS) 102/174 variables, 72/77 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/174 variables, 43/120 constraints. Problems are: Problem set: 0 solved, 1 unsolved
All remaining problems are real, not stopping.
At refinement iteration 9 (INCLUDED_ONLY) 0/174 variables, 0/120 constraints. Problems are: Problem set: 0 solved, 1 unsolved
Problem apf0 is UNSAT
After SMT solving in domain Real declared 208/208 variables, and 139 constraints, problems are : Problem set: 1 solved, 0 unsolved in 179 ms.
Refiners :[Positive P Invariants (semi-flows): 2/2 constraints, Generalized P Invariants (flows): 3/3 constraints, State Equation: 91/91 constraints, ReadFeed: 43/58 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 185ms problems are : Problem set: 1 solved, 0 unsolved
Skipping Parikh replay, no witness traces provided.
Found 1 invariant AP formulas.
Knowledge obtained : [(AND p0 (NOT p1)), (G (OR p0 (NOT p1)))]
False Knowledge obtained : [(F p1), (F (NOT p0)), (F (NOT (OR (NOT p0) (NOT p1))))]
Knowledge based reduction with 2 factoid took 147 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 211 ms :[(OR (NOT p0) p1), (OR (NOT p0) p1), (OR (NOT p0) p1), (OR (NOT p0) p1), (NOT p0), p1]
Stuttering acceptance computed with spot in 192 ms :[(OR (NOT p0) p1), (OR (NOT p0) p1), (OR (NOT p0) p1), (OR (NOT p0) p1), (NOT p0), p1]
Support contains 3 out of 91 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 91/91 places, 117/117 transitions.
Applied a total of 0 rules in 0 ms. Remains 91 /91 variables (removed 0) and now considering 117/117 (removed 0) transitions.
[2025-06-06 01:50:36] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-06 01:50:36] [INFO ] Implicit Places using invariants in 59 ms returned []
[2025-06-06 01:50:36] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-06 01:50:36] [INFO ] State equation strengthened by 58 read => feed constraints.
[2025-06-06 01:50:36] [INFO ] Implicit Places using invariants and state equation in 261 ms returned []
Implicit Place search using SMT with State Equation took 335 ms to find 0 implicit places.
Running 116 sub problems to find dead transitions.
[2025-06-06 01:50:36] [INFO ] Invariant cache hit.
[2025-06-06 01:50:36] [INFO ] State equation strengthened by 58 read => feed constraints.
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/90 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 116 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/90 variables, 3/4 constraints. Problems are: Problem set: 0 solved, 116 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/90 variables, 0/4 constraints. Problems are: Problem set: 0 solved, 116 unsolved
At refinement iteration 3 (OVERLAPS) 1/91 variables, 1/5 constraints. Problems are: Problem set: 0 solved, 116 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-06 01:50:37] [INFO ] Deduced a trap composed of 27 places in 74 ms of which 3 ms to minimize.
At refinement iteration 4 (INCLUDED_ONLY) 0/91 variables, 1/6 constraints. Problems are: Problem set: 0 solved, 116 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/91 variables, 0/6 constraints. Problems are: Problem set: 0 solved, 116 unsolved
At refinement iteration 6 (OVERLAPS) 117/208 variables, 91/97 constraints. Problems are: Problem set: 0 solved, 116 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/208 variables, 58/155 constraints. Problems are: Problem set: 0 solved, 116 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-06 01:50:39] [INFO ] Deduced a trap composed of 26 places in 183 ms of which 7 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-06 01:50:39] [INFO ] Deduced a trap composed of 26 places in 67 ms of which 6 ms to minimize.
At refinement iteration 8 (INCLUDED_ONLY) 0/208 variables, 2/157 constraints. Problems are: Problem set: 0 solved, 116 unsolved
All remaining problems are real, not stopping.
At refinement iteration 9 (INCLUDED_ONLY) 0/208 variables, 0/157 constraints. Problems are: Problem set: 0 solved, 116 unsolved
At refinement iteration 10 (OVERLAPS) 0/208 variables, 0/157 constraints. Problems are: Problem set: 0 solved, 116 unsolved
No progress, stopping.
After SMT solving in domain Real declared 208/208 variables, and 157 constraints, problems are : Problem set: 0 solved, 116 unsolved in 5606 ms.
Refiners :[Positive P Invariants (semi-flows): 2/2 constraints, Generalized P Invariants (flows): 3/3 constraints, State Equation: 91/91 constraints, ReadFeed: 58/58 constraints, PredecessorRefiner: 116/116 constraints, Known Traps: 3/3 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 116 unsolved
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/90 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 116 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/90 variables, 3/4 constraints. Problems are: Problem set: 0 solved, 116 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/90 variables, 0/4 constraints. Problems are: Problem set: 0 solved, 116 unsolved
At refinement iteration 3 (OVERLAPS) 1/91 variables, 1/5 constraints. Problems are: Problem set: 0 solved, 116 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/91 variables, 3/8 constraints. Problems are: Problem set: 0 solved, 116 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/91 variables, 0/8 constraints. Problems are: Problem set: 0 solved, 116 unsolved
At refinement iteration 6 (OVERLAPS) 117/208 variables, 91/99 constraints. Problems are: Problem set: 0 solved, 116 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/208 variables, 58/157 constraints. Problems are: Problem set: 0 solved, 116 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/208 variables, 116/273 constraints. Problems are: Problem set: 0 solved, 116 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-06 01:50:46] [INFO ] Deduced a trap along path composed of 4 places in 25 ms of which 1 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-06 01:50:46] [INFO ] Deduced a trap along path composed of 17 places in 29 ms of which 0 ms to minimize.
At refinement iteration 9 (INCLUDED_ONLY) 0/208 variables, 2/275 constraints. Problems are: Problem set: 0 solved, 116 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/208 variables, 0/275 constraints. Problems are: Problem set: 0 solved, 116 unsolved
At refinement iteration 11 (OVERLAPS) 0/208 variables, 0/275 constraints. Problems are: Problem set: 0 solved, 116 unsolved
No progress, stopping.
After SMT solving in domain Int declared 208/208 variables, and 275 constraints, problems are : Problem set: 0 solved, 116 unsolved in 20519 ms.
Refiners :[Positive P Invariants (semi-flows): 2/2 constraints, Generalized P Invariants (flows): 3/3 constraints, State Equation: 91/91 constraints, ReadFeed: 58/58 constraints, PredecessorRefiner: 116/116 constraints, Known Traps: 3/3 constraints, Known Traps Along Path: 2/2 constraints]
After SMT, in 26165ms problems are : Problem set: 0 solved, 116 unsolved
Search for dead transitions found 0 dead transitions in 26166ms
Finished structural reductions in LTL mode , in 1 iterations and 26501 ms. Remains : 91/91 places, 117/117 transitions.
Computed a total of 13 stabilizing places and 18 stable transitions
Graph (complete) has 300 edges and 91 vertex of which 90 are kept as prefixes of interest. Removing 1 places using SCC suffix rule.1 ms
Computed a total of 13 stabilizing places and 18 stable transitions
Knowledge obtained : [(AND p0 (NOT p1))]
False Knowledge obtained : []
Knowledge based reduction with 1 factoid took 86 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 164 ms :[(OR (NOT p0) p1), (OR (NOT p0) p1), (OR (NOT p0) p1), (OR (NOT p0) p1), (NOT p0), p1]
RANDOM walk for 40000 steps (8932 resets) in 115 ms. (344 steps per ms) remains 2/2 properties
BEST_FIRST walk for 40004 steps (1910 resets) in 28 ms. (1379 steps per ms) remains 2/2 properties
BEST_FIRST walk for 40003 steps (1941 resets) in 59 ms. (666 steps per ms) remains 2/2 properties
Finished probabilistic random walk after 9773 steps, run visited all 2 properties in 19 ms. (steps per millisecond=514 )
Probabilistic random walk after 9773 steps, saw 4562 distinct states, run finished after 19 ms. (steps per millisecond=514 ) properties seen :2
Knowledge obtained : [(AND p0 (NOT p1))]
False Knowledge obtained : [(F (NOT p0)), (F p1)]
Knowledge based reduction with 1 factoid took 161 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 213 ms :[(OR (NOT p0) p1), (OR (NOT p0) p1), (OR (NOT p0) p1), (OR (NOT p0) p1), (NOT p0), p1]
Stuttering acceptance computed with spot in 206 ms :[(OR (NOT p0) p1), (OR (NOT p0) p1), (OR (NOT p0) p1), (OR (NOT p0) p1), (NOT p0), p1]
Stuttering acceptance computed with spot in 174 ms :[(OR (NOT p0) p1), (OR (NOT p0) p1), (OR (NOT p0) p1), (OR (NOT p0) p1), (NOT p0), p1]
Product exploration explored 100000 steps with 24468 reset in 144 ms.
Product exploration explored 100000 steps with 24340 reset in 134 ms.
Built C files in :
/tmp/ltsmin4785466458096196384
[2025-06-06 01:51:04] [INFO ] Built C files in 4ms conformant to PINS (ltsmin variant)in folder :/tmp/ltsmin4785466458096196384
Running compilation step : cd /tmp/ltsmin4785466458096196384;'/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 192 ms.
Running link step : cd /tmp/ltsmin4785466458096196384;'gcc' '-shared' '-o' 'gal.so' 'model.o'
Link finished in 31 ms.
Running LTSmin : cd /tmp/ltsmin4785466458096196384;'/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/stateBased9554182628323844424.hoa' '--buchi-type=spotba'
LTSmin run took 207 ms.
FORMULA SieveSingleMsgMbox-PT-d1m96-LTLFireability-14 FALSE TECHNIQUES EXPLICIT LTSMIN SAT_SMT
Treatment of property SieveSingleMsgMbox-PT-d1m96-LTLFireability-14 finished in 60690 ms.
All properties solved by simple procedures.
Total runtime 588197 ms.

BK_STOP 1749174665129

--------------------
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

Sequence of Actions to be Executed by the VM

This is useful if one wants to reexecute the tool in the VM from the submitted image disk.

set -x
# this is for BenchKit: configuration of major elements for the test
export BK_INPUT="SieveSingleMsgMbox-PT-d1m96"
export BK_EXAMINATION="LTLFireability"
export BK_TOOL="itstools"
export BK_RESULT_DIR="/tmp/BK_RESULTS/OUTPUTS"
export BK_TIME_CONFINEMENT="3600"
export BK_MEMORY_CONFINEMENT="16384"
export BK_BIN_PATH="/home/mcc/BenchKit/bin/"

# this is specific to your benchmark or test

export BIN_DIR="$HOME/BenchKit/bin"

# remove the execution directoty if it exists (to avoid increse of .vmdk images)
if [ -d execution ] ; then
rm -rf execution
fi

# this is for BenchKit: explicit launching of the test
echo "====================================================================="
echo " Generated by BenchKit 2-5832"
echo " Executing tool itstools"
echo " Input is SieveSingleMsgMbox-PT-d1m96, examination is LTLFireability"
echo " Time confinement is $BK_TIME_CONFINEMENT seconds"
echo " Memory confinement is 16384 MBytes"
echo " Number of cores is 4"
echo " Run identifier is r212-tall-174901994400444"
echo "====================================================================="
echo
echo "--------------------"
echo "preparation of the directory to be used:"

tar xzf /home/mcc/BenchKit/INPUTS/SieveSingleMsgMbox-PT-d1m96.tgz
mv SieveSingleMsgMbox-PT-d1m96 execution
cd execution
if [ "LTLFireability" = "ReachabilityDeadlock" ] || [ "LTLFireability" = "UpperBounds" ] || [ "LTLFireability" = "QuasiLiveness" ] || [ "LTLFireability" = "StableMarking" ] || [ "LTLFireability" = "Liveness" ] || [ "LTLFireability" = "OneSafe" ] || [ "LTLFireability" = "StateSpace" ]; then
rm -f GenericPropertiesVerdict.xml
fi
pwd
ls -lh

echo
echo "--------------------"
echo "content from stdout:"
echo
echo "=== Data for post analysis generated by BenchKit (invocation template)"
echo
if [ "LTLFireability" = "UpperBounds" ] ; then
echo "The expected result is a vector of positive values"
echo NUM_VECTOR
elif [ "LTLFireability" != "StateSpace" ] ; then
echo "The expected result is a vector of booleans"
echo BOOL_VECTOR
else
echo "no data necessary for post analysis"
fi
echo
if [ -f "LTLFireability.xml" ] ; then # for cunf (txt files deleted;-)
echo echo "here is the order used to build the result vector(from xml file)"
for x in $(grep '' LTLFireability.xml | cut -d '>' -f 2 | cut -d '<' -f 1 | sort -u) ; do
echo "FORMULA_NAME $x"
done
elif [ "LTLFireability" = "ReachabilityDeadlock" ] || [ "LTLFireability" = "QuasiLiveness" ] || [ "LTLFireability" = "StableMarking" ] || [ "LTLFireability" = "Liveness" ] || [ "LTLFireability" = "OneSafe" ] ; then
echo "FORMULA_NAME LTLFireability"
fi
echo
echo "=== Now, execution of the tool begins"
echo
echo -n "BK_START "
date -u +%s%3N
echo
timeout -s 9 $BK_TIME_CONFINEMENT bash -c "/home/mcc/BenchKit/BenchKit_head.sh 2> STDERR ; echo ; echo -n \"BK_STOP \" ; date -u +%s%3N"
if [ $? -eq 137 ] ; then
echo
echo "BK_TIME_CONFINEMENT_REACHED"
fi
echo
echo "--------------------"
echo "content from stderr:"
echo
cat STDERR ;