fond
Model Checking Contest 2025
15th edition, Paris, France, June 24, 2025
Execution of r212-tall-174901994300412
Last Updated
June 24, 2025

About the Execution of ITS-Tools for SieveSingleMsgMbox-PT-d1m06

Execution Summary
Max Memory
Used (MB)
Time wait (ms) CPU Usage (ms) I/O Wait (ms) Computed Result Execution
Status
0.000 673298.00 0.00 0.00 TFFTTFFFFFFFTFFF normal

Execution Chart

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

Trace from the execution

Formatting '/data/fkordon/mcc2025-input.r212-tall-174901994300412.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-d1m06, examination is LTLFireability
Time confinement is 3600 seconds
Memory confinement is 16384 MBytes
Number of cores is 4
Run identifier is r212-tall-174901994300412
=====================================================================

--------------------
preparation of the directory to be used:
/home/mcc/execution
total 916K
-rw-r--r-- 1 mcc users 9.6K May 29 14:47 CTLCardinality.txt
-rw-r--r-- 1 mcc users 106K May 29 14:47 CTLCardinality.xml
-rw-r--r-- 1 mcc users 4.8K May 29 14:47 CTLFireability.txt
-rw-r--r-- 1 mcc users 39K May 29 14:47 CTLFireability.xml
-rw-r--r-- 1 mcc users 4.0K May 29 14:47 LTLCardinality.txt
-rw-r--r-- 1 mcc users 29K May 29 14:47 LTLCardinality.xml
-rw-r--r-- 1 mcc users 2.4K May 29 14:47 LTLFireability.txt
-rw-r--r-- 1 mcc users 19K May 29 14:47 LTLFireability.xml
-rw-r--r-- 1 mcc users 11K May 29 14:47 ReachabilityCardinality.txt
-rw-r--r-- 1 mcc users 109K May 29 14:47 ReachabilityCardinality.xml
-rw-r--r-- 1 mcc users 9.0K May 29 14:47 ReachabilityFireability.txt
-rw-r--r-- 1 mcc users 77K 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 3.8K 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-d1m06-LTLFireability-00
FORMULA_NAME SieveSingleMsgMbox-PT-d1m06-LTLFireability-01
FORMULA_NAME SieveSingleMsgMbox-PT-d1m06-LTLFireability-02
FORMULA_NAME SieveSingleMsgMbox-PT-d1m06-LTLFireability-03
FORMULA_NAME SieveSingleMsgMbox-PT-d1m06-LTLFireability-04
FORMULA_NAME SieveSingleMsgMbox-PT-d1m06-LTLFireability-05
FORMULA_NAME SieveSingleMsgMbox-PT-d1m06-LTLFireability-06
FORMULA_NAME SieveSingleMsgMbox-PT-d1m06-LTLFireability-07
FORMULA_NAME SieveSingleMsgMbox-PT-d1m06-LTLFireability-08
FORMULA_NAME SieveSingleMsgMbox-PT-d1m06-LTLFireability-09
FORMULA_NAME SieveSingleMsgMbox-PT-d1m06-LTLFireability-10
FORMULA_NAME SieveSingleMsgMbox-PT-d1m06-LTLFireability-11
FORMULA_NAME SieveSingleMsgMbox-PT-d1m06-LTLFireability-12
FORMULA_NAME SieveSingleMsgMbox-PT-d1m06-LTLFireability-13
FORMULA_NAME SieveSingleMsgMbox-PT-d1m06-LTLFireability-14
FORMULA_NAME SieveSingleMsgMbox-PT-d1m06-LTLFireability-15

=== Now, execution of the tool begins

BK_START 1749157055923

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-d1m06
BK_MEMORY_CONFINEMENT=16384
Not applying reductions.
Model is PT
LTLFireability PT
Running Version 202505121319
[2025-06-05 20:57:37] [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]
[2025-06-05 20:57:37] [INFO ] Parsing pnml file : /home/mcc/execution/model.pnml
[2025-06-05 20:57:37] [INFO ] Load time of PNML (sax parser for PT used): 114 ms
[2025-06-05 20:57:37] [INFO ] Transformed 1295 places.
[2025-06-05 20:57:37] [INFO ] Transformed 749 transitions.
[2025-06-05 20:57:37] [INFO ] Parsed PT model containing 1295 places and 749 transitions and 2996 arcs in 217 ms.
Parsed 16 properties from file /home/mcc/execution/LTLFireability.xml in 9 ms.
Working with output stream class java.io.PrintStream
Initial state reduction rules removed 3 formulas.
Deduced a syphon composed of 1036 places in 8 ms
Reduce places removed 1036 places and 0 transitions.
FORMULA SieveSingleMsgMbox-PT-d1m06-LTLFireability-06 FALSE TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA SieveSingleMsgMbox-PT-d1m06-LTLFireability-12 TRUE TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA SieveSingleMsgMbox-PT-d1m06-LTLFireability-14 FALSE TECHNIQUES TOPOLOGICAL INITIAL_STATE
Support contains 30 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 43 places :
Symmetric choice reduction at 1 with 43 rule applications. Total rules 300 place count 199 transition count 404
Iterating global reduction 1 with 43 rules applied. Total rules applied 343 place count 199 transition count 404
Ensure Unique test removed 4 transitions
Reduce isomorphic transitions removed 4 transitions.
Iterating post reduction 1 with 4 rules applied. Total rules applied 347 place count 199 transition count 400
Discarding 28 places :
Symmetric choice reduction at 2 with 28 rule applications. Total rules 375 place count 171 transition count 372
Iterating global reduction 2 with 28 rules applied. Total rules applied 403 place count 171 transition count 372
Ensure Unique test removed 15 transitions
Reduce isomorphic transitions removed 15 transitions.
Iterating post reduction 2 with 15 rules applied. Total rules applied 418 place count 171 transition count 357
Discarding 14 places :
Symmetric choice reduction at 3 with 14 rule applications. Total rules 432 place count 157 transition count 343
Iterating global reduction 3 with 14 rules applied. Total rules applied 446 place count 157 transition count 343
Ensure Unique test removed 54 transitions
Reduce isomorphic transitions removed 54 transitions.
Iterating post reduction 3 with 54 rules applied. Total rules applied 500 place count 157 transition count 289
Discarding 5 places :
Symmetric choice reduction at 4 with 5 rule applications. Total rules 505 place count 152 transition count 281
Iterating global reduction 4 with 5 rules applied. Total rules applied 510 place count 152 transition count 281
Discarding 5 places :
Symmetric choice reduction at 4 with 5 rule applications. Total rules 515 place count 147 transition count 276
Iterating global reduction 4 with 5 rules applied. Total rules applied 520 place count 147 transition count 276
Discarding 3 places :
Symmetric choice reduction at 4 with 3 rule applications. Total rules 523 place count 144 transition count 272
Iterating global reduction 4 with 3 rules applied. Total rules applied 526 place count 144 transition count 272
Discarding 2 places :
Symmetric choice reduction at 4 with 2 rule applications. Total rules 528 place count 142 transition count 270
Iterating global reduction 4 with 2 rules applied. Total rules applied 530 place count 142 transition count 270
Applied a total of 530 rules in 96 ms. Remains 142 /259 variables (removed 117) and now considering 270/749 (removed 479) transitions.
// Phase 1: matrix 270 rows 142 cols
[2025-06-05 20:57:37] [INFO ] Computed 5 invariants in 15 ms
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-05 20:57:37] [INFO ] Implicit Places using invariants in 279 ms returned []
[2025-06-05 20:57:37] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-05 20:57:37] [INFO ] State equation strengthened by 172 read => feed constraints.
[2025-06-05 20:57:39] [INFO ] Implicit Places using invariants and state equation in 1293 ms returned []
Implicit Place search using SMT with State Equation took 1606 ms to find 0 implicit places.
Running 269 sub problems to find dead transitions.
[2025-06-05 20:57:39] [INFO ] Invariant cache hit.
[2025-06-05 20:57:39] [INFO ] State equation strengthened by 172 read => feed constraints.
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/141 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 269 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/141 variables, 3/4 constraints. Problems are: Problem set: 0 solved, 269 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-05 20:57:41] [INFO ] Deduced a trap composed of 16 places in 106 ms of which 11 ms to minimize.
At refinement iteration 2 (INCLUDED_ONLY) 0/141 variables, 1/5 constraints. Problems are: Problem set: 0 solved, 269 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-05 20:57:42] [INFO ] Deduced a trap composed of 17 places in 67 ms of which 4 ms to minimize.
At refinement iteration 3 (INCLUDED_ONLY) 0/141 variables, 1/6 constraints. Problems are: Problem set: 0 solved, 269 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/141 variables, 0/6 constraints. Problems are: Problem set: 0 solved, 269 unsolved
At refinement iteration 5 (OVERLAPS) 1/142 variables, 1/7 constraints. Problems are: Problem set: 0 solved, 269 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-05 20:57:45] [INFO ] Deduced a trap composed of 16 places in 65 ms of which 3 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-05 20:57:45] [INFO ] Deduced a trap composed of 18 places in 66 ms of which 8 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-05 20:57:45] [INFO ] Deduced a trap composed of 44 places in 53 ms of which 6 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-05 20:57:45] [INFO ] Deduced a trap composed of 46 places in 50 ms of which 5 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-05 20:57:45] [INFO ] Deduced a trap composed of 27 places in 54 ms of which 8 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-05 20:57:45] [INFO ] Deduced a trap composed of 44 places in 56 ms of which 4 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-05 20:57:45] [INFO ] Deduced a trap composed of 47 places in 59 ms of which 5 ms to minimize.
At refinement iteration 6 (INCLUDED_ONLY) 0/142 variables, 7/14 constraints. Problems are: Problem set: 0 solved, 269 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-05 20:57:47] [INFO ] Deduced a trap composed of 46 places in 66 ms of which 4 ms to minimize.
At refinement iteration 7 (INCLUDED_ONLY) 0/142 variables, 1/15 constraints. Problems are: Problem set: 0 solved, 269 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/142 variables, 0/15 constraints. Problems are: Problem set: 0 solved, 269 unsolved
At refinement iteration 9 (OVERLAPS) 270/412 variables, 142/157 constraints. Problems are: Problem set: 0 solved, 269 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/412 variables, 172/329 constraints. Problems are: Problem set: 0 solved, 269 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-05 20:57:54] [INFO ] Deduced a trap composed of 21 places in 47 ms of which 4 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-05 20:57:55] [INFO ] Deduced a trap composed of 43 places in 44 ms of which 3 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-05 20:57:59] [INFO ] Deduced a trap composed of 42 places in 75 ms of which 7 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-05 20:57:59] [INFO ] Deduced a trap composed of 43 places in 72 ms of which 6 ms to minimize.
At refinement iteration 11 (INCLUDED_ONLY) 0/412 variables, 4/333 constraints. Problems are: Problem set: 0 solved, 269 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Real declared 412/412 variables, and 333 constraints, problems are : Problem set: 0 solved, 269 unsolved in 30028 ms.
Refiners :[Positive P Invariants (semi-flows): 2/2 constraints, Generalized P Invariants (flows): 3/3 constraints, State Equation: 142/142 constraints, ReadFeed: 172/172 constraints, PredecessorRefiner: 269/269 constraints, Known Traps: 14/14 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 269 unsolved
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/141 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 269 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/141 variables, 3/4 constraints. Problems are: Problem set: 0 solved, 269 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/141 variables, 4/8 constraints. Problems are: Problem set: 0 solved, 269 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/141 variables, 0/8 constraints. Problems are: Problem set: 0 solved, 269 unsolved
At refinement iteration 4 (OVERLAPS) 1/142 variables, 1/9 constraints. Problems are: Problem set: 0 solved, 269 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/142 variables, 10/19 constraints. Problems are: Problem set: 0 solved, 269 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/142 variables, 0/19 constraints. Problems are: Problem set: 0 solved, 269 unsolved
At refinement iteration 7 (OVERLAPS) 270/412 variables, 142/161 constraints. Problems are: Problem set: 0 solved, 269 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/412 variables, 172/333 constraints. Problems are: Problem set: 0 solved, 269 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/412 variables, 269/602 constraints. Problems are: Problem set: 0 solved, 269 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 412/412 variables, and 602 constraints, problems are : Problem set: 0 solved, 269 unsolved in 30022 ms.
Refiners :[Positive P Invariants (semi-flows): 2/2 constraints, Generalized P Invariants (flows): 3/3 constraints, State Equation: 142/142 constraints, ReadFeed: 172/172 constraints, PredecessorRefiner: 269/269 constraints, Known Traps: 14/14 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 60361ms problems are : Problem set: 0 solved, 269 unsolved
Search for dead transitions found 0 dead transitions in 60379ms
Starting structural reductions in LTL mode, iteration 1 : 142/259 places, 270/749 transitions.
Finished structural reductions in LTL mode , in 1 iterations and 62107 ms. Remains : 142/259 places, 270/749 transitions.
Support contains 30 out of 142 places after structural reductions.
[2025-06-05 20:58:39] [INFO ] Flatten gal took : 38 ms
[2025-06-05 20:58:39] [INFO ] Flatten gal took : 17 ms
[2025-06-05 20:58:39] [INFO ] Input system was already deterministic with 270 transitions.
Support contains 29 out of 142 places (down from 30) after GAL structural reductions.
RANDOM walk for 40000 steps (8978 resets) in 3341 ms. (11 steps per ms) remains 25/27 properties
BEST_FIRST walk for 4003 steps (182 resets) in 29 ms. (133 steps per ms) remains 25/25 properties
BEST_FIRST walk for 4002 steps (188 resets) in 56 ms. (70 steps per ms) remains 25/25 properties
BEST_FIRST walk for 4003 steps (198 resets) in 34 ms. (114 steps per ms) remains 25/25 properties
BEST_FIRST walk for 4003 steps (177 resets) in 49 ms. (80 steps per ms) remains 25/25 properties
BEST_FIRST walk for 4003 steps (188 resets) in 45 ms. (87 steps per ms) remains 25/25 properties
BEST_FIRST walk for 4002 steps (184 resets) in 44 ms. (88 steps per ms) remains 25/25 properties
BEST_FIRST walk for 4002 steps (198 resets) in 35 ms. (111 steps per ms) remains 25/25 properties
BEST_FIRST walk for 4001 steps (411 resets) in 41 ms. (95 steps per ms) remains 25/25 properties
BEST_FIRST walk for 4003 steps (191 resets) in 26 ms. (148 steps per ms) remains 25/25 properties
BEST_FIRST walk for 4003 steps (404 resets) in 36 ms. (108 steps per ms) remains 25/25 properties
BEST_FIRST walk for 4002 steps (194 resets) in 17 ms. (222 steps per ms) remains 25/25 properties
BEST_FIRST walk for 4003 steps (202 resets) in 19 ms. (200 steps per ms) remains 25/25 properties
BEST_FIRST walk for 4002 steps (188 resets) in 14 ms. (266 steps per ms) remains 25/25 properties
BEST_FIRST walk for 4004 steps (188 resets) in 39 ms. (100 steps per ms) remains 25/25 properties
BEST_FIRST walk for 4002 steps (200 resets) in 27 ms. (142 steps per ms) remains 25/25 properties
BEST_FIRST walk for 4001 steps (389 resets) in 22 ms. (173 steps per ms) remains 25/25 properties
BEST_FIRST walk for 4003 steps (206 resets) in 18 ms. (210 steps per ms) remains 25/25 properties
BEST_FIRST walk for 4003 steps (185 resets) in 17 ms. (222 steps per ms) remains 25/25 properties
BEST_FIRST walk for 4004 steps (183 resets) in 17 ms. (222 steps per ms) remains 25/25 properties
BEST_FIRST walk for 4003 steps (187 resets) in 13 ms. (285 steps per ms) remains 25/25 properties
BEST_FIRST walk for 4004 steps (193 resets) in 16 ms. (235 steps per ms) remains 25/25 properties
BEST_FIRST walk for 4004 steps (200 resets) in 32 ms. (121 steps per ms) remains 25/25 properties
BEST_FIRST walk for 4003 steps (209 resets) in 18 ms. (210 steps per ms) remains 25/25 properties
BEST_FIRST walk for 4001 steps (198 resets) in 20 ms. (190 steps per ms) remains 25/25 properties
BEST_FIRST walk for 4002 steps (184 resets) in 22 ms. (174 steps per ms) remains 25/25 properties
Interrupted probabilistic random walk after 508246 steps, run timeout after 3001 ms. (steps per millisecond=169 ) properties seen :20 out of 25
Probabilistic random walk after 508246 steps, saw 188685 distinct states, run finished after 3011 ms. (steps per millisecond=168 ) properties seen :20
[2025-06-05 20:58:44] [INFO ] Invariant cache hit.
[2025-06-05 20:58:44] [INFO ] State equation strengthened by 172 read => feed constraints.
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/9 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 5 unsolved
At refinement iteration 1 (OVERLAPS) 62/71 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 5 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/71 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 5 unsolved
At refinement iteration 3 (OVERLAPS) 8/79 variables, 1/2 constraints. Problems are: Problem set: 0 solved, 5 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/79 variables, 0/2 constraints. Problems are: Problem set: 0 solved, 5 unsolved
Problem AtomicPropp25 is UNSAT
At refinement iteration 5 (OVERLAPS) 34/113 variables, 3/5 constraints. Problems are: Problem set: 1 solved, 4 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/113 variables, 0/5 constraints. Problems are: Problem set: 1 solved, 4 unsolved
At refinement iteration 7 (OVERLAPS) 173/286 variables, 113/118 constraints. Problems are: Problem set: 1 solved, 4 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/286 variables, 75/193 constraints. Problems are: Problem set: 1 solved, 4 unsolved
All remaining problems are real, not stopping.
At refinement iteration 9 (INCLUDED_ONLY) 0/286 variables, 0/193 constraints. Problems are: Problem set: 1 solved, 4 unsolved
Problem AtomicPropp23 is UNSAT
At refinement iteration 10 (OVERLAPS) 126/412 variables, 29/222 constraints. Problems are: Problem set: 2 solved, 3 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/412 variables, 97/319 constraints. Problems are: Problem set: 2 solved, 3 unsolved
At refinement iteration 12 (INCLUDED_ONLY) 0/412 variables, 0/319 constraints. Problems are: Problem set: 2 solved, 3 unsolved
At refinement iteration 13 (OVERLAPS) 0/412 variables, 0/319 constraints. Problems are: Problem set: 2 solved, 3 unsolved
No progress, stopping.
After SMT solving in domain Real declared 412/412 variables, and 319 constraints, problems are : Problem set: 2 solved, 3 unsolved in 363 ms.
Refiners :[Positive P Invariants (semi-flows): 2/2 constraints, Generalized P Invariants (flows): 3/3 constraints, State Equation: 142/142 constraints, ReadFeed: 172/172 constraints, PredecessorRefiner: 5/5 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 2 solved, 3 unsolved
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/5 variables, 0/0 constraints. Problems are: Problem set: 2 solved, 3 unsolved
At refinement iteration 1 (OVERLAPS) 63/68 variables, 1/1 constraints. Problems are: Problem set: 2 solved, 3 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/68 variables, 0/1 constraints. Problems are: Problem set: 2 solved, 3 unsolved
At refinement iteration 3 (OVERLAPS) 8/76 variables, 1/2 constraints. Problems are: Problem set: 2 solved, 3 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/76 variables, 0/2 constraints. Problems are: Problem set: 2 solved, 3 unsolved
At refinement iteration 5 (OVERLAPS) 35/111 variables, 3/5 constraints. Problems are: Problem set: 2 solved, 3 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/111 variables, 0/5 constraints. Problems are: Problem set: 2 solved, 3 unsolved
At refinement iteration 7 (OVERLAPS) 155/266 variables, 111/116 constraints. Problems are: Problem set: 2 solved, 3 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/266 variables, 57/173 constraints. Problems are: Problem set: 2 solved, 3 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/266 variables, 0/173 constraints. Problems are: Problem set: 2 solved, 3 unsolved
At refinement iteration 10 (OVERLAPS) 146/412 variables, 31/204 constraints. Problems are: Problem set: 2 solved, 3 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/412 variables, 115/319 constraints. Problems are: Problem set: 2 solved, 3 unsolved
At refinement iteration 12 (INCLUDED_ONLY) 0/412 variables, 3/322 constraints. Problems are: Problem set: 2 solved, 3 unsolved
At refinement iteration 13 (INCLUDED_ONLY) 0/412 variables, 0/322 constraints. Problems are: Problem set: 2 solved, 3 unsolved
At refinement iteration 14 (OVERLAPS) 0/412 variables, 0/322 constraints. Problems are: Problem set: 2 solved, 3 unsolved
No progress, stopping.
After SMT solving in domain Int declared 412/412 variables, and 322 constraints, problems are : Problem set: 2 solved, 3 unsolved in 732 ms.
Refiners :[Positive P Invariants (semi-flows): 2/2 constraints, Generalized P Invariants (flows): 3/3 constraints, State Equation: 142/142 constraints, ReadFeed: 172/172 constraints, PredecessorRefiner: 3/5 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 1120ms problems are : Problem set: 2 solved, 3 unsolved
Parikh walk visited 1 properties in 141 ms.
Support contains 3 out of 142 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 142/142 places, 270/270 transitions.
Graph (complete) has 490 edges and 142 vertex of which 141 are kept as prefixes of interest. Removing 1 places using SCC suffix rule.4 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 141 transition count 268
Discarding 20 places :
Symmetric choice reduction at 1 with 20 rule applications. Total rules 23 place count 121 transition count 150
Iterating global reduction 1 with 20 rules applied. Total rules applied 43 place count 121 transition count 150
Ensure Unique test removed 3 transitions
Reduce isomorphic transitions removed 3 transitions.
Iterating post reduction 1 with 3 rules applied. Total rules applied 46 place count 121 transition count 147
Discarding 15 places :
Symmetric choice reduction at 2 with 15 rule applications. Total rules 61 place count 106 transition count 131
Iterating global reduction 2 with 15 rules applied. Total rules applied 76 place count 106 transition count 131
Ensure Unique test removed 8 transitions
Reduce isomorphic transitions removed 8 transitions.
Iterating post reduction 2 with 8 rules applied. Total rules applied 84 place count 106 transition count 123
Discarding 9 places :
Symmetric choice reduction at 3 with 9 rule applications. Total rules 93 place count 97 transition count 113
Iterating global reduction 3 with 9 rules applied. Total rules applied 102 place count 97 transition count 113
Ensure Unique test removed 6 transitions
Reduce isomorphic transitions removed 6 transitions.
Iterating post reduction 3 with 6 rules applied. Total rules applied 108 place count 97 transition count 107
Discarding 3 places :
Symmetric choice reduction at 4 with 3 rule applications. Total rules 111 place count 94 transition count 104
Iterating global reduction 4 with 3 rules applied. Total rules applied 114 place count 94 transition count 104
Discarding 3 places :
Symmetric choice reduction at 4 with 3 rule applications. Total rules 117 place count 91 transition count 101
Iterating global reduction 4 with 3 rules applied. Total rules applied 120 place count 91 transition count 101
Discarding 2 places :
Symmetric choice reduction at 4 with 2 rule applications. Total rules 122 place count 89 transition count 99
Iterating global reduction 4 with 2 rules applied. Total rules applied 124 place count 89 transition count 99
Ensure Unique test removed 2 transitions
Reduce isomorphic transitions removed 2 transitions.
Iterating post reduction 4 with 2 rules applied. Total rules applied 126 place count 89 transition count 97
Discarding 2 places :
Symmetric choice reduction at 5 with 2 rule applications. Total rules 128 place count 87 transition count 95
Iterating global reduction 5 with 2 rules applied. Total rules applied 130 place count 87 transition count 95
Applied a total of 130 rules in 40 ms. Remains 87 /142 variables (removed 55) and now considering 95/270 (removed 175) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 40 ms. Remains : 87/142 places, 95/270 transitions.
RANDOM walk for 40000 steps (9078 resets) in 130 ms. (305 steps per ms) remains 2/2 properties
BEST_FIRST walk for 40002 steps (1872 resets) in 106 ms. (373 steps per ms) remains 2/2 properties
BEST_FIRST walk for 40004 steps (1938 resets) in 75 ms. (526 steps per ms) remains 2/2 properties
Finished probabilistic random walk after 128732 steps, run visited all 2 properties in 412 ms. (steps per millisecond=312 )
Probabilistic random walk after 128732 steps, saw 51727 distinct states, run finished after 415 ms. (steps per millisecond=310 ) properties seen :2
Successfully simplified 2 atomic propositions for a total of 13 simplifications.
Computed a total of 27 stabilizing places and 48 stable transitions
Graph (complete) has 544 edges and 142 vertex of which 141 are kept as prefixes of interest. Removing 1 places using SCC suffix rule.9 ms
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202505121319/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!(X((X(!p0) U ((X(!p0)&&(!p1 U (p2||G(!p1))))||X(G(!p0))))))'
Support contains 4 out of 142 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 142/142 places, 270/270 transitions.
Discarding 19 places :
Symmetric choice reduction at 0 with 19 rule applications. Total rules 19 place count 123 transition count 168
Iterating global reduction 0 with 19 rules applied. Total rules applied 38 place count 123 transition count 168
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 123 transition count 165
Discarding 14 places :
Symmetric choice reduction at 1 with 14 rule applications. Total rules 55 place count 109 transition count 150
Iterating global reduction 1 with 14 rules applied. Total rules applied 69 place count 109 transition count 150
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 109 transition count 144
Discarding 8 places :
Symmetric choice reduction at 2 with 8 rule applications. Total rules 83 place count 101 transition count 135
Iterating global reduction 2 with 8 rules applied. Total rules applied 91 place count 101 transition count 135
Ensure Unique test removed 5 transitions
Reduce isomorphic transitions removed 5 transitions.
Iterating post reduction 2 with 5 rules applied. Total rules applied 96 place count 101 transition count 130
Discarding 1 places :
Symmetric choice reduction at 3 with 1 rule applications. Total rules 97 place count 100 transition count 129
Iterating global reduction 3 with 1 rules applied. Total rules applied 98 place count 100 transition count 129
Discarding 1 places :
Symmetric choice reduction at 3 with 1 rule applications. Total rules 99 place count 99 transition count 128
Iterating global reduction 3 with 1 rules applied. Total rules applied 100 place count 99 transition count 128
Applied a total of 100 rules in 9 ms. Remains 99 /142 variables (removed 43) and now considering 128/270 (removed 142) transitions.
// Phase 1: matrix 128 rows 99 cols
[2025-06-05 20:58:46] [INFO ] Computed 5 invariants in 5 ms
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-05 20:58:46] [INFO ] Implicit Places using invariants in 105 ms returned []
[2025-06-05 20:58:46] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-05 20:58:46] [INFO ] State equation strengthened by 63 read => feed constraints.
[2025-06-05 20:58:46] [INFO ] Implicit Places using invariants and state equation in 236 ms returned []
Implicit Place search using SMT with State Equation took 342 ms to find 0 implicit places.
Running 127 sub problems to find dead transitions.
[2025-06-05 20:58:46] [INFO ] Invariant cache hit.
[2025-06-05 20:58:46] [INFO ] State equation strengthened by 63 read => feed constraints.
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/98 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 127 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/98 variables, 3/4 constraints. Problems are: Problem set: 0 solved, 127 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/98 variables, 0/4 constraints. Problems are: Problem set: 0 solved, 127 unsolved
At refinement iteration 3 (OVERLAPS) 1/99 variables, 1/5 constraints. Problems are: Problem set: 0 solved, 127 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-05 20:58:47] [INFO ] Deduced a trap composed of 15 places in 48 ms of which 6 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-05 20:58:48] [INFO ] Deduced a trap composed of 15 places in 51 ms of which 5 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-05 20:58:48] [INFO ] Deduced a trap composed of 30 places in 42 ms of which 3 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-05 20:58:48] [INFO ] Deduced a trap composed of 30 places in 43 ms of which 3 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-05 20:58:48] [INFO ] Deduced a trap composed of 24 places in 47 ms of which 5 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-05 20:58:48] [INFO ] Deduced a trap composed of 30 places in 42 ms of which 4 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-05 20:58:48] [INFO ] Deduced a trap composed of 31 places in 47 ms of which 5 ms to minimize.
At refinement iteration 4 (INCLUDED_ONLY) 0/99 variables, 7/12 constraints. Problems are: Problem set: 0 solved, 127 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/99 variables, 0/12 constraints. Problems are: Problem set: 0 solved, 127 unsolved
At refinement iteration 6 (OVERLAPS) 128/227 variables, 99/111 constraints. Problems are: Problem set: 0 solved, 127 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/227 variables, 63/174 constraints. Problems are: Problem set: 0 solved, 127 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-05 20:58:49] [INFO ] Deduced a trap composed of 35 places in 37 ms of which 2 ms to minimize.
At refinement iteration 8 (INCLUDED_ONLY) 0/227 variables, 1/175 constraints. Problems are: Problem set: 0 solved, 127 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/227 variables, 0/175 constraints. Problems are: Problem set: 0 solved, 127 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-05 20:58:54] [INFO ] Deduced a trap composed of 28 places in 69 ms of which 10 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-05 20:58:54] [INFO ] Deduced a trap composed of 28 places in 55 ms of which 9 ms to minimize.
At refinement iteration 10 (OVERLAPS) 0/227 variables, 2/177 constraints. Problems are: Problem set: 0 solved, 127 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-05 20:58:55] [INFO ] Deduced a trap composed of 29 places in 53 ms of which 8 ms to minimize.
At refinement iteration 11 (INCLUDED_ONLY) 0/227 variables, 1/178 constraints. Problems are: Problem set: 0 solved, 127 unsolved
At refinement iteration 12 (INCLUDED_ONLY) 0/227 variables, 0/178 constraints. Problems are: Problem set: 0 solved, 127 unsolved
At refinement iteration 13 (OVERLAPS) 0/227 variables, 0/178 constraints. Problems are: Problem set: 0 solved, 127 unsolved
No progress, stopping.
After SMT solving in domain Real declared 227/227 variables, and 178 constraints, problems are : Problem set: 0 solved, 127 unsolved in 13081 ms.
Refiners :[Positive P Invariants (semi-flows): 2/2 constraints, Generalized P Invariants (flows): 3/3 constraints, State Equation: 99/99 constraints, ReadFeed: 63/63 constraints, PredecessorRefiner: 127/127 constraints, Known Traps: 11/11 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 127 unsolved
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/98 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 127 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/98 variables, 3/4 constraints. Problems are: Problem set: 0 solved, 127 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/98 variables, 2/6 constraints. Problems are: Problem set: 0 solved, 127 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/98 variables, 0/6 constraints. Problems are: Problem set: 0 solved, 127 unsolved
At refinement iteration 4 (OVERLAPS) 1/99 variables, 1/7 constraints. Problems are: Problem set: 0 solved, 127 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/99 variables, 9/16 constraints. Problems are: Problem set: 0 solved, 127 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-05 20:59:00] [INFO ] Deduced a trap composed of 30 places in 45 ms of which 6 ms to minimize.
At refinement iteration 6 (INCLUDED_ONLY) 0/99 variables, 1/17 constraints. Problems are: Problem set: 0 solved, 127 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/99 variables, 0/17 constraints. Problems are: Problem set: 0 solved, 127 unsolved
At refinement iteration 8 (OVERLAPS) 128/227 variables, 99/116 constraints. Problems are: Problem set: 0 solved, 127 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/227 variables, 63/179 constraints. Problems are: Problem set: 0 solved, 127 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/227 variables, 127/306 constraints. Problems are: Problem set: 0 solved, 127 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/227 variables, 0/306 constraints. Problems are: Problem set: 0 solved, 127 unsolved
At refinement iteration 12 (OVERLAPS) 0/227 variables, 0/306 constraints. Problems are: Problem set: 0 solved, 127 unsolved
No progress, stopping.
After SMT solving in domain Int declared 227/227 variables, and 306 constraints, problems are : Problem set: 0 solved, 127 unsolved in 24154 ms.
Refiners :[Positive P Invariants (semi-flows): 2/2 constraints, Generalized P Invariants (flows): 3/3 constraints, State Equation: 99/99 constraints, ReadFeed: 63/63 constraints, PredecessorRefiner: 127/127 constraints, Known Traps: 12/12 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 37305ms problems are : Problem set: 0 solved, 127 unsolved
Search for dead transitions found 0 dead transitions in 37306ms
Starting structural reductions in LTL mode, iteration 1 : 99/142 places, 128/270 transitions.
Finished structural reductions in LTL mode , in 1 iterations and 37658 ms. Remains : 99/142 places, 128/270 transitions.
Stuttering acceptance computed with spot in 405 ms :[p0, (AND (NOT p2) p1 p0), p0, p0, (AND (NOT p2) p1 p0), true, (AND (NOT p2) p1 (NOT p0))]
Running random walk in product with property : SieveSingleMsgMbox-PT-d1m06-LTLFireability-00
Product exploration explored 100000 steps with 33333 reset in 315 ms.
Product exploration explored 100000 steps with 33333 reset in 218 ms.
Computed a total of 18 stabilizing places and 24 stable transitions
Graph (complete) has 327 edges and 99 vertex of which 98 are kept as prefixes of interest. Removing 1 places using SCC suffix rule.3 ms
Computed a total of 18 stabilizing places and 24 stable transitions
Knowledge obtained : [(AND p2 (NOT p1) (NOT p0)), (X p2), (X (NOT (AND (NOT p2) p1 (NOT p0)))), (X (NOT (AND (NOT p2) p1 p0))), (X (NOT (AND (NOT p2) (NOT p1) (NOT p0)))), (X (NOT (AND (NOT p2) (NOT p1) p0))), (X (NOT p0)), (X (NOT p1)), (X (X p2)), (X (X (NOT (AND (NOT p2) p1 (NOT p0))))), (X (X (NOT (AND (NOT p2) p1 p0)))), (X (X (NOT (AND (NOT p2) (NOT p1))))), (X (X (NOT (AND (NOT p2) (NOT p1) (NOT p0))))), (X (X (NOT (AND (NOT p2) (NOT p1) p0)))), (X (X (NOT (AND (NOT p2) p1)))), (X (X (NOT p0))), (X (X (NOT p1)))]
False Knowledge obtained : []
Property proved to be true thanks to knowledge (Minato strategy)
Knowledge based reduction with 17 factoid took 22 ms. Reduced automaton from 7 states, 18 edges and 3 AP (stutter sensitive) to 1 states, 0 edges and 0 AP (stutter insensitive).
FORMULA SieveSingleMsgMbox-PT-d1m06-LTLFireability-00 TRUE TECHNIQUES KNOWLEDGE
Treatment of property SieveSingleMsgMbox-PT-d1m06-LTLFireability-00 finished in 38701 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(X(p0))) U p1))&&F(p2)))'
Support contains 4 out of 142 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 142/142 places, 270/270 transitions.
Discarding 20 places :
Symmetric choice reduction at 0 with 20 rule applications. Total rules 20 place count 122 transition count 159
Iterating global reduction 0 with 20 rules applied. Total rules applied 40 place count 122 transition count 159
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 122 transition count 156
Discarding 15 places :
Symmetric choice reduction at 1 with 15 rule applications. Total rules 58 place count 107 transition count 140
Iterating global reduction 1 with 15 rules applied. Total rules applied 73 place count 107 transition count 140
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 107 transition count 133
Discarding 9 places :
Symmetric choice reduction at 2 with 9 rule applications. Total rules 89 place count 98 transition count 123
Iterating global reduction 2 with 9 rules applied. Total rules applied 98 place count 98 transition count 123
Ensure Unique test removed 6 transitions
Reduce isomorphic transitions removed 6 transitions.
Iterating post reduction 2 with 6 rules applied. Total rules applied 104 place count 98 transition count 117
Discarding 2 places :
Symmetric choice reduction at 3 with 2 rule applications. Total rules 106 place count 96 transition count 115
Iterating global reduction 3 with 2 rules applied. Total rules applied 108 place count 96 transition count 115
Discarding 2 places :
Symmetric choice reduction at 3 with 2 rule applications. Total rules 110 place count 94 transition count 113
Iterating global reduction 3 with 2 rules applied. Total rules applied 112 place count 94 transition count 113
Discarding 1 places :
Symmetric choice reduction at 3 with 1 rule applications. Total rules 113 place count 93 transition count 112
Iterating global reduction 3 with 1 rules applied. Total rules applied 114 place count 93 transition count 112
Ensure Unique test removed 2 transitions
Reduce isomorphic transitions removed 2 transitions.
Iterating post reduction 3 with 2 rules applied. Total rules applied 116 place count 93 transition count 110
Discarding 1 places :
Symmetric choice reduction at 4 with 1 rule applications. Total rules 117 place count 92 transition count 109
Iterating global reduction 4 with 1 rules applied. Total rules applied 118 place count 92 transition count 109
Applied a total of 118 rules in 12 ms. Remains 92 /142 variables (removed 50) and now considering 109/270 (removed 161) transitions.
// Phase 1: matrix 109 rows 92 cols
[2025-06-05 20:59:25] [INFO ] Computed 5 invariants in 2 ms
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-05 20:59:25] [INFO ] Implicit Places using invariants in 71 ms returned []
[2025-06-05 20:59:25] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-05 20:59:25] [INFO ] State equation strengthened by 49 read => feed constraints.
[2025-06-05 20:59:25] [INFO ] Implicit Places using invariants and state equation in 198 ms returned []
Implicit Place search using SMT with State Equation took 271 ms to find 0 implicit places.
Running 108 sub problems to find dead transitions.
[2025-06-05 20:59:25] [INFO ] Invariant cache hit.
[2025-06-05 20:59:25] [INFO ] State equation strengthened by 49 read => feed constraints.
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/91 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 108 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/91 variables, 3/4 constraints. Problems are: Problem set: 0 solved, 108 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-05 20:59:25] [INFO ] Deduced a trap composed of 14 places in 75 ms of which 2 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-05 20:59:25] [INFO ] Deduced a trap composed of 15 places in 64 ms of which 3 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-05 20:59:25] [INFO ] Deduced a trap composed of 15 places in 56 ms of which 3 ms to minimize.
At refinement iteration 2 (INCLUDED_ONLY) 0/91 variables, 3/7 constraints. Problems are: Problem set: 0 solved, 108 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/91 variables, 0/7 constraints. Problems are: Problem set: 0 solved, 108 unsolved
At refinement iteration 4 (OVERLAPS) 1/92 variables, 1/8 constraints. Problems are: Problem set: 0 solved, 108 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-05 20:59:26] [INFO ] Deduced a trap composed of 14 places in 51 ms of which 5 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-05 20:59:26] [INFO ] Deduced a trap composed of 28 places in 53 ms of which 3 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-05 20:59:26] [INFO ] Deduced a trap composed of 25 places in 37 ms of which 5 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-05 20:59:26] [INFO ] Deduced a trap composed of 28 places in 38 ms of which 5 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-05 20:59:27] [INFO ] Deduced a trap composed of 29 places in 38 ms of which 4 ms to minimize.
At refinement iteration 5 (INCLUDED_ONLY) 0/92 variables, 5/13 constraints. Problems are: Problem set: 0 solved, 108 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-05 20:59:27] [INFO ] Deduced a trap composed of 28 places in 54 ms of which 5 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-05 20:59:27] [INFO ] Deduced a trap composed of 28 places in 39 ms of which 6 ms to minimize.
At refinement iteration 6 (INCLUDED_ONLY) 0/92 variables, 2/15 constraints. Problems are: Problem set: 0 solved, 108 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/92 variables, 0/15 constraints. Problems are: Problem set: 0 solved, 108 unsolved
At refinement iteration 8 (OVERLAPS) 109/201 variables, 92/107 constraints. Problems are: Problem set: 0 solved, 108 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/201 variables, 49/156 constraints. Problems are: Problem set: 0 solved, 108 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/201 variables, 0/156 constraints. Problems are: Problem set: 0 solved, 108 unsolved
At refinement iteration 11 (OVERLAPS) 0/201 variables, 0/156 constraints. Problems are: Problem set: 0 solved, 108 unsolved
No progress, stopping.
After SMT solving in domain Real declared 201/201 variables, and 156 constraints, problems are : Problem set: 0 solved, 108 unsolved in 6641 ms.
Refiners :[Positive P Invariants (semi-flows): 2/2 constraints, Generalized P Invariants (flows): 3/3 constraints, State Equation: 92/92 constraints, ReadFeed: 49/49 constraints, PredecessorRefiner: 108/108 constraints, Known Traps: 10/10 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 108 unsolved
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/91 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 108 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/91 variables, 3/4 constraints. Problems are: Problem set: 0 solved, 108 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/91 variables, 4/8 constraints. Problems are: Problem set: 0 solved, 108 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/91 variables, 0/8 constraints. Problems are: Problem set: 0 solved, 108 unsolved
At refinement iteration 4 (OVERLAPS) 1/92 variables, 1/9 constraints. Problems are: Problem set: 0 solved, 108 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/92 variables, 6/15 constraints. Problems are: Problem set: 0 solved, 108 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/92 variables, 0/15 constraints. Problems are: Problem set: 0 solved, 108 unsolved
At refinement iteration 7 (OVERLAPS) 109/201 variables, 92/107 constraints. Problems are: Problem set: 0 solved, 108 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/201 variables, 49/156 constraints. Problems are: Problem set: 0 solved, 108 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/201 variables, 108/264 constraints. Problems are: Problem set: 0 solved, 108 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-05 20:59:35] [INFO ] Deduced a trap composed of 35 places in 39 ms of which 2 ms to minimize.
At refinement iteration 10 (INCLUDED_ONLY) 0/201 variables, 1/265 constraints. Problems are: Problem set: 0 solved, 108 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/201 variables, 0/265 constraints. Problems are: Problem set: 0 solved, 108 unsolved
At refinement iteration 12 (OVERLAPS) 0/201 variables, 0/265 constraints. Problems are: Problem set: 0 solved, 108 unsolved
No progress, stopping.
After SMT solving in domain Int declared 201/201 variables, and 265 constraints, problems are : Problem set: 0 solved, 108 unsolved in 30014 ms.
Refiners :[Positive P Invariants (semi-flows): 2/2 constraints, Generalized P Invariants (flows): 3/3 constraints, State Equation: 92/92 constraints, ReadFeed: 49/49 constraints, PredecessorRefiner: 108/108 constraints, Known Traps: 11/11 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 36700ms problems are : Problem set: 0 solved, 108 unsolved
Search for dead transitions found 0 dead transitions in 36715ms
Starting structural reductions in LTL mode, iteration 1 : 92/142 places, 109/270 transitions.
Finished structural reductions in LTL mode , in 1 iterations and 36999 ms. Remains : 92/142 places, 109/270 transitions.
Stuttering acceptance computed with spot in 232 ms :[(OR (NOT p1) (NOT p2)), (NOT p2), (NOT p1), (OR (NOT p0) (NOT p1)), (NOT p0), (NOT p0), true]
Running random walk in product with property : SieveSingleMsgMbox-PT-d1m06-LTLFireability-01
Stuttering criterion allowed to conclude after 2 steps with 0 reset in 0 ms.
FORMULA SieveSingleMsgMbox-PT-d1m06-LTLFireability-01 FALSE TECHNIQUES STUTTER_TEST
Treatment of property SieveSingleMsgMbox-PT-d1m06-LTLFireability-01 finished in 37264 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((F(p0)&&X(X(X(X((F(G(p1)) U p2))))))))'
Support contains 5 out of 142 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 142/142 places, 270/270 transitions.
Discarding 20 places :
Symmetric choice reduction at 0 with 20 rule applications. Total rules 20 place count 122 transition count 166
Iterating global reduction 0 with 20 rules applied. Total rules applied 40 place count 122 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 122 transition count 163
Discarding 15 places :
Symmetric choice reduction at 1 with 15 rule applications. Total rules 58 place count 107 transition count 147
Iterating global reduction 1 with 15 rules applied. Total rules applied 73 place count 107 transition count 147
Ensure Unique test removed 6 transitions
Reduce isomorphic transitions removed 6 transitions.
Iterating post reduction 1 with 6 rules applied. Total rules applied 79 place count 107 transition count 141
Discarding 9 places :
Symmetric choice reduction at 2 with 9 rule applications. Total rules 88 place count 98 transition count 131
Iterating global reduction 2 with 9 rules applied. Total rules applied 97 place count 98 transition count 131
Ensure Unique test removed 6 transitions
Reduce isomorphic transitions removed 6 transitions.
Iterating post reduction 2 with 6 rules applied. Total rules applied 103 place count 98 transition count 125
Discarding 2 places :
Symmetric choice reduction at 3 with 2 rule applications. Total rules 105 place count 96 transition count 123
Iterating global reduction 3 with 2 rules applied. Total rules applied 107 place count 96 transition count 123
Discarding 1 places :
Symmetric choice reduction at 3 with 1 rule applications. Total rules 108 place count 95 transition count 122
Iterating global reduction 3 with 1 rules applied. Total rules applied 109 place count 95 transition count 122
Applied a total of 109 rules in 11 ms. Remains 95 /142 variables (removed 47) and now considering 122/270 (removed 148) transitions.
// Phase 1: matrix 122 rows 95 cols
[2025-06-05 21:00:02] [INFO ] Computed 5 invariants in 2 ms
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-05 21:00:02] [INFO ] Implicit Places using invariants in 55 ms returned []
[2025-06-05 21:00:02] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-05 21:00:02] [INFO ] State equation strengthened by 59 read => feed constraints.
[2025-06-05 21:00:02] [INFO ] Implicit Places using invariants and state equation in 182 ms returned []
Implicit Place search using SMT with State Equation took 238 ms to find 0 implicit places.
Running 121 sub problems to find dead transitions.
[2025-06-05 21:00:02] [INFO ] Invariant cache hit.
[2025-06-05 21:00:02] [INFO ] State equation strengthened by 59 read => feed constraints.
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/94 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 121 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/94 variables, 3/4 constraints. Problems are: Problem set: 0 solved, 121 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-05 21:00:03] [INFO ] Deduced a trap composed of 14 places in 59 ms of which 3 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-05 21:00:03] [INFO ] Deduced a trap composed of 16 places in 49 ms of which 2 ms to minimize.
At refinement iteration 2 (INCLUDED_ONLY) 0/94 variables, 2/6 constraints. Problems are: Problem set: 0 solved, 121 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/94 variables, 0/6 constraints. Problems are: Problem set: 0 solved, 121 unsolved
At refinement iteration 4 (OVERLAPS) 1/95 variables, 1/7 constraints. Problems are: Problem set: 0 solved, 121 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-05 21:00:04] [INFO ] Deduced a trap composed of 29 places in 44 ms of which 3 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-05 21:00:04] [INFO ] Deduced a trap composed of 24 places in 41 ms of which 6 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-05 21:00:04] [INFO ] Deduced a trap composed of 29 places in 40 ms of which 5 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-05 21:00:04] [INFO ] Deduced a trap composed of 30 places in 39 ms of which 4 ms to minimize.
At refinement iteration 5 (INCLUDED_ONLY) 0/95 variables, 4/11 constraints. Problems are: Problem set: 0 solved, 121 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/95 variables, 0/11 constraints. Problems are: Problem set: 0 solved, 121 unsolved
At refinement iteration 7 (OVERLAPS) 122/217 variables, 95/106 constraints. Problems are: Problem set: 0 solved, 121 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/217 variables, 59/165 constraints. Problems are: Problem set: 0 solved, 121 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-05 21:00:05] [INFO ] Deduced a trap composed of 31 places in 37 ms of which 2 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-05 21:00:06] [INFO ] Deduced a trap composed of 13 places in 60 ms of which 7 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-05 21:00:06] [INFO ] Deduced a trap composed of 28 places in 57 ms of which 9 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-05 21:00:06] [INFO ] Deduced a trap composed of 28 places in 52 ms of which 8 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-05 21:00:06] [INFO ] Deduced a trap composed of 28 places in 52 ms of which 8 ms to minimize.
At refinement iteration 9 (INCLUDED_ONLY) 0/217 variables, 5/170 constraints. Problems are: Problem set: 0 solved, 121 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/217 variables, 0/170 constraints. Problems are: Problem set: 0 solved, 121 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-05 21:00:09] [INFO ] Deduced a trap composed of 14 places in 60 ms of which 6 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-05 21:00:09] [INFO ] Deduced a trap composed of 28 places in 53 ms of which 7 ms to minimize.
At refinement iteration 11 (OVERLAPS) 0/217 variables, 2/172 constraints. Problems are: Problem set: 0 solved, 121 unsolved
At refinement iteration 12 (INCLUDED_ONLY) 0/217 variables, 0/172 constraints. Problems are: Problem set: 0 solved, 121 unsolved
At refinement iteration 13 (OVERLAPS) 0/217 variables, 0/172 constraints. Problems are: Problem set: 0 solved, 121 unsolved
No progress, stopping.
After SMT solving in domain Real declared 217/217 variables, and 172 constraints, problems are : Problem set: 0 solved, 121 unsolved in 12462 ms.
Refiners :[Positive P Invariants (semi-flows): 2/2 constraints, Generalized P Invariants (flows): 3/3 constraints, State Equation: 95/95 constraints, ReadFeed: 59/59 constraints, PredecessorRefiner: 121/121 constraints, Known Traps: 13/13 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 121 unsolved
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/94 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 121 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/94 variables, 3/4 constraints. Problems are: Problem set: 0 solved, 121 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/94 variables, 4/8 constraints. Problems are: Problem set: 0 solved, 121 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/94 variables, 0/8 constraints. Problems are: Problem set: 0 solved, 121 unsolved
At refinement iteration 4 (OVERLAPS) 1/95 variables, 1/9 constraints. Problems are: Problem set: 0 solved, 121 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/95 variables, 9/18 constraints. Problems are: Problem set: 0 solved, 121 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/95 variables, 0/18 constraints. Problems are: Problem set: 0 solved, 121 unsolved
At refinement iteration 7 (OVERLAPS) 122/217 variables, 95/113 constraints. Problems are: Problem set: 0 solved, 121 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/217 variables, 59/172 constraints. Problems are: Problem set: 0 solved, 121 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/217 variables, 121/293 constraints. Problems are: Problem set: 0 solved, 121 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/217 variables, 0/293 constraints. Problems are: Problem set: 0 solved, 121 unsolved
At refinement iteration 11 (OVERLAPS) 0/217 variables, 0/293 constraints. Problems are: Problem set: 0 solved, 121 unsolved
No progress, stopping.
After SMT solving in domain Int declared 217/217 variables, and 293 constraints, problems are : Problem set: 0 solved, 121 unsolved in 25886 ms.
Refiners :[Positive P Invariants (semi-flows): 2/2 constraints, Generalized P Invariants (flows): 3/3 constraints, State Equation: 95/95 constraints, ReadFeed: 59/59 constraints, PredecessorRefiner: 121/121 constraints, Known Traps: 13/13 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 38433ms problems are : Problem set: 0 solved, 121 unsolved
Search for dead transitions found 0 dead transitions in 38434ms
Starting structural reductions in LTL mode, iteration 1 : 95/142 places, 122/270 transitions.
Finished structural reductions in LTL mode , in 1 iterations and 38687 ms. Remains : 95/142 places, 122/270 transitions.
Stuttering acceptance computed with spot in 566 ms :[(OR (NOT p2) (NOT p0)), (NOT p0), (NOT p2), (AND (NOT p0) (NOT p2)), (NOT p2), (AND (NOT p0) (NOT p2)), (AND (NOT p0) (NOT p2)), (NOT p2), (AND (NOT p0) (NOT p2)), (AND (NOT p0) (NOT p2)), (AND (NOT p0) (NOT p2)), (NOT p2), (AND (NOT p0) (NOT p1))]
Running random walk in product with property : SieveSingleMsgMbox-PT-d1m06-LTLFireability-02
Stuttering criterion allowed to conclude after 2 steps with 0 reset in 0 ms.
FORMULA SieveSingleMsgMbox-PT-d1m06-LTLFireability-02 FALSE TECHNIQUES STUTTER_TEST
Treatment of property SieveSingleMsgMbox-PT-d1m06-LTLFireability-02 finished in 39284 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&&X(((F(!p0)||(!p1&&X(G(!p2)))) U (G((F(!p0)||(!p1&&X(G(!p2)))))||(!p3&&(F(!p0)||(!p1&&X(G(!p2)))))))))))'
Support contains 6 out of 142 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 142/142 places, 270/270 transitions.
Discarding 18 places :
Symmetric choice reduction at 0 with 18 rule applications. Total rules 18 place count 124 transition count 161
Iterating global reduction 0 with 18 rules applied. Total rules applied 36 place count 124 transition count 161
Ensure Unique test removed 2 transitions
Reduce isomorphic transitions removed 2 transitions.
Iterating post reduction 0 with 2 rules applied. Total rules applied 38 place count 124 transition count 159
Discarding 14 places :
Symmetric choice reduction at 1 with 14 rule applications. Total rules 52 place count 110 transition count 145
Iterating global reduction 1 with 14 rules applied. Total rules applied 66 place count 110 transition count 145
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 110 transition count 139
Discarding 9 places :
Symmetric choice reduction at 2 with 9 rule applications. Total rules 81 place count 101 transition count 129
Iterating global reduction 2 with 9 rules applied. Total rules applied 90 place count 101 transition count 129
Ensure Unique test removed 6 transitions
Reduce isomorphic transitions removed 6 transitions.
Iterating post reduction 2 with 6 rules applied. Total rules applied 96 place count 101 transition count 123
Discarding 2 places :
Symmetric choice reduction at 3 with 2 rule applications. Total rules 98 place count 99 transition count 121
Iterating global reduction 3 with 2 rules applied. Total rules applied 100 place count 99 transition count 121
Discarding 2 places :
Symmetric choice reduction at 3 with 2 rule applications. Total rules 102 place count 97 transition count 119
Iterating global reduction 3 with 2 rules applied. Total rules applied 104 place count 97 transition count 119
Discarding 1 places :
Symmetric choice reduction at 3 with 1 rule applications. Total rules 105 place count 96 transition count 118
Iterating global reduction 3 with 1 rules applied. Total rules applied 106 place count 96 transition count 118
Ensure Unique test removed 2 transitions
Reduce isomorphic transitions removed 2 transitions.
Iterating post reduction 3 with 2 rules applied. Total rules applied 108 place count 96 transition count 116
Discarding 1 places :
Symmetric choice reduction at 4 with 1 rule applications. Total rules 109 place count 95 transition count 115
Iterating global reduction 4 with 1 rules applied. Total rules applied 110 place count 95 transition count 115
Applied a total of 110 rules in 7 ms. Remains 95 /142 variables (removed 47) and now considering 115/270 (removed 155) transitions.
// Phase 1: matrix 115 rows 95 cols
[2025-06-05 21:00:41] [INFO ] Computed 5 invariants in 2 ms
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-05 21:00:41] [INFO ] Implicit Places using invariants in 81 ms returned []
[2025-06-05 21:00:41] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-05 21:00:41] [INFO ] State equation strengthened by 52 read => feed constraints.
[2025-06-05 21:00:41] [INFO ] Implicit Places using invariants and state equation in 180 ms returned []
Implicit Place search using SMT with State Equation took 263 ms to find 0 implicit places.
Running 114 sub problems to find dead transitions.
[2025-06-05 21:00:41] [INFO ] Invariant cache hit.
[2025-06-05 21:00:41] [INFO ] State equation strengthened by 52 read => feed constraints.
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/94 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 114 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/94 variables, 3/4 constraints. Problems are: Problem set: 0 solved, 114 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-05 21:00:42] [INFO ] Deduced a trap composed of 15 places in 54 ms of which 3 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-05 21:00:42] [INFO ] Deduced a trap composed of 14 places in 46 ms of which 3 ms to minimize.
At refinement iteration 2 (INCLUDED_ONLY) 0/94 variables, 2/6 constraints. Problems are: Problem set: 0 solved, 114 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-05 21:00:42] [INFO ] Deduced a trap composed of 14 places in 58 ms of which 2 ms to minimize.
At refinement iteration 3 (INCLUDED_ONLY) 0/94 variables, 1/7 constraints. Problems are: Problem set: 0 solved, 114 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-05 21:00:43] [INFO ] Deduced a trap composed of 15 places in 66 ms of which 3 ms to minimize.
At refinement iteration 4 (INCLUDED_ONLY) 0/94 variables, 1/8 constraints. Problems are: Problem set: 0 solved, 114 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-05 21:00:43] [INFO ] Deduced a trap composed of 14 places in 56 ms of which 2 ms to minimize.
At refinement iteration 5 (INCLUDED_ONLY) 0/94 variables, 1/9 constraints. Problems are: Problem set: 0 solved, 114 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/94 variables, 0/9 constraints. Problems are: Problem set: 0 solved, 114 unsolved
At refinement iteration 7 (OVERLAPS) 1/95 variables, 1/10 constraints. Problems are: Problem set: 0 solved, 114 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-05 21:00:44] [INFO ] Deduced a trap composed of 14 places in 61 ms of which 5 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-05 21:00:44] [INFO ] Deduced a trap composed of 29 places in 50 ms of which 3 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-05 21:00:44] [INFO ] Deduced a trap composed of 25 places in 38 ms of which 6 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-05 21:00:44] [INFO ] Deduced a trap composed of 29 places in 39 ms of which 3 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-05 21:00:44] [INFO ] Deduced a trap composed of 30 places in 43 ms of which 4 ms to minimize.
At refinement iteration 8 (INCLUDED_ONLY) 0/95 variables, 5/15 constraints. Problems are: Problem set: 0 solved, 114 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-05 21:00:44] [INFO ] Deduced a trap composed of 29 places in 44 ms of which 3 ms to minimize.
At refinement iteration 9 (INCLUDED_ONLY) 0/95 variables, 1/16 constraints. Problems are: Problem set: 0 solved, 114 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/95 variables, 0/16 constraints. Problems are: Problem set: 0 solved, 114 unsolved
At refinement iteration 11 (OVERLAPS) 115/210 variables, 95/111 constraints. Problems are: Problem set: 0 solved, 114 unsolved
At refinement iteration 12 (INCLUDED_ONLY) 0/210 variables, 52/163 constraints. Problems are: Problem set: 0 solved, 114 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-05 21:00:46] [INFO ] Deduced a trap composed of 29 places in 49 ms of which 3 ms to minimize.
At refinement iteration 13 (INCLUDED_ONLY) 0/210 variables, 1/164 constraints. Problems are: Problem set: 0 solved, 114 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-05 21:00:47] [INFO ] Deduced a trap composed of 28 places in 58 ms of which 8 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-05 21:00:47] [INFO ] Deduced a trap composed of 36 places in 33 ms of which 3 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-05 21:00:47] [INFO ] Deduced a trap composed of 29 places in 50 ms of which 9 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-05 21:00:48] [INFO ] Deduced a trap composed of 29 places in 54 ms of which 8 ms to minimize.
At refinement iteration 14 (INCLUDED_ONLY) 0/210 variables, 4/168 constraints. Problems are: Problem set: 0 solved, 114 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-05 21:00:49] [INFO ] Deduced a trap composed of 28 places in 52 ms of which 8 ms to minimize.
At refinement iteration 15 (INCLUDED_ONLY) 0/210 variables, 1/169 constraints. Problems are: Problem set: 0 solved, 114 unsolved
At refinement iteration 16 (INCLUDED_ONLY) 0/210 variables, 0/169 constraints. Problems are: Problem set: 0 solved, 114 unsolved
At refinement iteration 17 (OVERLAPS) 0/210 variables, 0/169 constraints. Problems are: Problem set: 0 solved, 114 unsolved
No progress, stopping.
After SMT solving in domain Real declared 210/210 variables, and 169 constraints, problems are : Problem set: 0 solved, 114 unsolved in 11831 ms.
Refiners :[Positive P Invariants (semi-flows): 2/2 constraints, Generalized P Invariants (flows): 3/3 constraints, State Equation: 95/95 constraints, ReadFeed: 52/52 constraints, PredecessorRefiner: 114/114 constraints, Known Traps: 17/17 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 114 unsolved
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/94 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 114 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/94 variables, 3/4 constraints. Problems are: Problem set: 0 solved, 114 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/94 variables, 6/10 constraints. Problems are: Problem set: 0 solved, 114 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/94 variables, 0/10 constraints. Problems are: Problem set: 0 solved, 114 unsolved
At refinement iteration 4 (OVERLAPS) 1/95 variables, 1/11 constraints. Problems are: Problem set: 0 solved, 114 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/95 variables, 11/22 constraints. Problems are: Problem set: 0 solved, 114 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/95 variables, 0/22 constraints. Problems are: Problem set: 0 solved, 114 unsolved
At refinement iteration 7 (OVERLAPS) 115/210 variables, 95/117 constraints. Problems are: Problem set: 0 solved, 114 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/210 variables, 52/169 constraints. Problems are: Problem set: 0 solved, 114 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/210 variables, 114/283 constraints. Problems are: Problem set: 0 solved, 114 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/210 variables, 0/283 constraints. Problems are: Problem set: 0 solved, 114 unsolved
At refinement iteration 11 (OVERLAPS) 0/210 variables, 0/283 constraints. Problems are: Problem set: 0 solved, 114 unsolved
No progress, stopping.
After SMT solving in domain Int declared 210/210 variables, and 283 constraints, problems are : Problem set: 0 solved, 114 unsolved in 30011 ms.
Refiners :[Positive P Invariants (semi-flows): 2/2 constraints, Generalized P Invariants (flows): 3/3 constraints, State Equation: 95/95 constraints, ReadFeed: 52/52 constraints, PredecessorRefiner: 114/114 constraints, Known Traps: 17/17 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 41881ms problems are : Problem set: 0 solved, 114 unsolved
Search for dead transitions found 0 dead transitions in 41882ms
Starting structural reductions in LTL mode, iteration 1 : 95/142 places, 115/270 transitions.
Finished structural reductions in LTL mode , in 1 iterations and 42152 ms. Remains : 95/142 places, 115/270 transitions.
Stuttering acceptance computed with spot in 186 ms :[p0, (OR (AND p0 p2) (AND p0 p1)), (AND p0 p2), p0]
Running random walk in product with property : SieveSingleMsgMbox-PT-d1m06-LTLFireability-03
Product exploration explored 100000 steps with 50000 reset in 168 ms.
Product exploration explored 100000 steps with 50000 reset in 180 ms.
Computed a total of 21 stabilizing places and 28 stable transitions
Graph (complete) has 308 edges and 95 vertex of which 94 are kept as prefixes of interest. Removing 1 places using SCC suffix rule.2 ms
Computed a total of 21 stabilizing places and 28 stable transitions
Knowledge obtained : [(AND (NOT p0) (NOT p3) (NOT p1) (NOT p2)), (X (NOT p3)), (X (NOT (AND p0 (NOT p1)))), (X (NOT (AND p0 p1))), (X (NOT p0)), (X (NOT p1)), (X (X (NOT p2))), (X (X (NOT p3))), (X (X (NOT (AND p0 (NOT p1))))), (X (X (NOT (AND p0 p1)))), (X (X (NOT (AND p0 (NOT p2))))), (X (X (NOT p0))), (X (X (NOT (AND p0 p2)))), (X (X (NOT p1)))]
False Knowledge obtained : []
Property proved to be true thanks to knowledge (Minato strategy)
Knowledge based reduction with 14 factoid took 22 ms. Reduced automaton from 4 states, 8 edges and 4 AP (stutter sensitive) to 1 states, 0 edges and 0 AP (stutter insensitive).
FORMULA SieveSingleMsgMbox-PT-d1m06-LTLFireability-03 TRUE TECHNIQUES KNOWLEDGE
Treatment of property SieveSingleMsgMbox-PT-d1m06-LTLFireability-03 finished in 42744 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((G(p1)||p0))))'
Support contains 4 out of 142 places. Attempting structural reductions.
Starting structural reductions in SI_LTL mode, iteration 0 : 142/142 places, 270/270 transitions.
Discarding 19 places :
Symmetric choice reduction at 0 with 19 rule applications. Total rules 19 place count 123 transition count 167
Iterating global reduction 0 with 19 rules applied. Total rules applied 38 place count 123 transition count 167
Ensure Unique test removed 2 transitions
Reduce isomorphic transitions removed 2 transitions.
Iterating post reduction 0 with 2 rules applied. Total rules applied 40 place count 123 transition count 165
Discarding 15 places :
Symmetric choice reduction at 1 with 15 rule applications. Total rules 55 place count 108 transition count 149
Iterating global reduction 1 with 15 rules applied. Total rules applied 70 place count 108 transition count 149
Ensure Unique test removed 6 transitions
Reduce isomorphic transitions removed 6 transitions.
Iterating post reduction 1 with 6 rules applied. Total rules applied 76 place count 108 transition count 143
Discarding 9 places :
Symmetric choice reduction at 2 with 9 rule applications. Total rules 85 place count 99 transition count 133
Iterating global reduction 2 with 9 rules applied. Total rules applied 94 place count 99 transition count 133
Ensure Unique test removed 6 transitions
Reduce isomorphic transitions removed 6 transitions.
Iterating post reduction 2 with 6 rules applied. Total rules applied 100 place count 99 transition count 127
Discarding 1 places :
Symmetric choice reduction at 3 with 1 rule applications. Total rules 101 place count 98 transition count 126
Iterating global reduction 3 with 1 rules applied. Total rules applied 102 place count 98 transition count 126
Discarding 1 places :
Symmetric choice reduction at 3 with 1 rule applications. Total rules 103 place count 97 transition count 125
Iterating global reduction 3 with 1 rules applied. Total rules applied 104 place count 97 transition count 125
Applied a total of 104 rules in 23 ms. Remains 97 /142 variables (removed 45) and now considering 125/270 (removed 145) transitions.
// Phase 1: matrix 125 rows 97 cols
[2025-06-05 21:01:24] [INFO ] Computed 5 invariants in 4 ms
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-05 21:01:24] [INFO ] Implicit Places using invariants in 68 ms returned []
[2025-06-05 21:01:24] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-05 21:01:24] [INFO ] State equation strengthened by 61 read => feed constraints.
[2025-06-05 21:01:24] [INFO ] Implicit Places using invariants and state equation in 300 ms returned []
Implicit Place search using SMT with State Equation took 371 ms to find 0 implicit places.
Starting Z3 with timeout 200.0 s and query timeout 20000.0 ms
[2025-06-05 21:01:24] [INFO ] Redundant transitions in 2 ms returned []
Running 124 sub problems to find dead transitions.
[2025-06-05 21:01:24] [INFO ] Invariant cache hit.
[2025-06-05 21:01:24] [INFO ] State equation strengthened by 61 read => feed constraints.
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/96 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 124 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/96 variables, 3/4 constraints. Problems are: Problem set: 0 solved, 124 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-05 21:01:25] [INFO ] Deduced a trap composed of 16 places in 57 ms of which 3 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-05 21:01:25] [INFO ] Deduced a trap composed of 15 places in 53 ms of which 3 ms to minimize.
At refinement iteration 2 (INCLUDED_ONLY) 0/96 variables, 2/6 constraints. Problems are: Problem set: 0 solved, 124 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-05 21:01:25] [INFO ] Deduced a trap composed of 14 places in 57 ms of which 2 ms to minimize.
At refinement iteration 3 (INCLUDED_ONLY) 0/96 variables, 1/7 constraints. Problems are: Problem set: 0 solved, 124 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/96 variables, 0/7 constraints. Problems are: Problem set: 0 solved, 124 unsolved
At refinement iteration 5 (OVERLAPS) 1/97 variables, 1/8 constraints. Problems are: Problem set: 0 solved, 124 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-05 21:01:26] [INFO ] Deduced a trap composed of 29 places in 42 ms of which 3 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-05 21:01:26] [INFO ] Deduced a trap composed of 25 places in 43 ms of which 6 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-05 21:01:26] [INFO ] Deduced a trap composed of 29 places in 40 ms of which 5 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-05 21:01:26] [INFO ] Deduced a trap composed of 30 places in 40 ms of which 5 ms to minimize.
At refinement iteration 6 (INCLUDED_ONLY) 0/97 variables, 4/12 constraints. Problems are: Problem set: 0 solved, 124 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/97 variables, 0/12 constraints. Problems are: Problem set: 0 solved, 124 unsolved
At refinement iteration 8 (OVERLAPS) 125/222 variables, 97/109 constraints. Problems are: Problem set: 0 solved, 124 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/222 variables, 61/170 constraints. Problems are: Problem set: 0 solved, 124 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-05 21:01:29] [INFO ] Deduced a trap composed of 13 places in 61 ms of which 7 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-05 21:01:29] [INFO ] Deduced a trap composed of 27 places in 55 ms of which 7 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-05 21:01:29] [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
[2025-06-05 21:01:29] [INFO ] Deduced a trap composed of 28 places in 55 ms of which 8 ms to minimize.
At refinement iteration 10 (INCLUDED_ONLY) 0/222 variables, 4/174 constraints. Problems are: Problem set: 0 solved, 124 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-05 21:01:30] [INFO ] Deduced a trap composed of 33 places in 39 ms of which 2 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-05 21:01:30] [INFO ] Deduced a trap composed of 28 places in 54 ms of which 6 ms to minimize.
At refinement iteration 11 (INCLUDED_ONLY) 0/222 variables, 2/176 constraints. Problems are: Problem set: 0 solved, 124 unsolved
At refinement iteration 12 (INCLUDED_ONLY) 0/222 variables, 0/176 constraints. Problems are: Problem set: 0 solved, 124 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-05 21:01:34] [INFO ] Deduced a trap composed of 28 places in 55 ms of which 8 ms to minimize.
At refinement iteration 13 (OVERLAPS) 0/222 variables, 1/177 constraints. Problems are: Problem set: 0 solved, 124 unsolved
At refinement iteration 14 (INCLUDED_ONLY) 0/222 variables, 0/177 constraints. Problems are: Problem set: 0 solved, 124 unsolved
At refinement iteration 15 (OVERLAPS) 0/222 variables, 0/177 constraints. Problems are: Problem set: 0 solved, 124 unsolved
No progress, stopping.
After SMT solving in domain Real declared 222/222 variables, and 177 constraints, problems are : Problem set: 0 solved, 124 unsolved in 15481 ms.
Refiners :[Positive P Invariants (semi-flows): 2/2 constraints, Generalized P Invariants (flows): 3/3 constraints, State Equation: 97/97 constraints, ReadFeed: 61/61 constraints, PredecessorRefiner: 124/124 constraints, Known Traps: 14/14 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) 0/96 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 124 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/96 variables, 3/4 constraints. Problems are: Problem set: 0 solved, 124 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/96 variables, 4/8 constraints. Problems are: Problem set: 0 solved, 124 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/96 variables, 0/8 constraints. Problems are: Problem set: 0 solved, 124 unsolved
At refinement iteration 4 (OVERLAPS) 1/97 variables, 1/9 constraints. Problems are: Problem set: 0 solved, 124 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/97 variables, 10/19 constraints. Problems are: Problem set: 0 solved, 124 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/97 variables, 0/19 constraints. Problems are: Problem set: 0 solved, 124 unsolved
At refinement iteration 7 (OVERLAPS) 125/222 variables, 97/116 constraints. Problems are: Problem set: 0 solved, 124 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/222 variables, 61/177 constraints. Problems are: Problem set: 0 solved, 124 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/222 variables, 124/301 constraints. Problems are: Problem set: 0 solved, 124 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/222 variables, 0/301 constraints. Problems are: Problem set: 0 solved, 124 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 222/222 variables, and 301 constraints, problems are : Problem set: 0 solved, 124 unsolved in 30023 ms.
Refiners :[Positive P Invariants (semi-flows): 2/2 constraints, Generalized P Invariants (flows): 3/3 constraints, State Equation: 97/97 constraints, ReadFeed: 61/61 constraints, PredecessorRefiner: 124/124 constraints, Known Traps: 14/14 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 45554ms problems are : Problem set: 0 solved, 124 unsolved
Search for dead transitions found 0 dead transitions in 45555ms
Starting structural reductions in SI_LTL mode, iteration 1 : 97/142 places, 125/270 transitions.
Finished structural reductions in SI_LTL mode , in 1 iterations and 45963 ms. Remains : 97/142 places, 125/270 transitions.
Stuttering acceptance computed with spot in 91 ms :[(AND (NOT p1) (NOT p0)), (AND (NOT p1) (NOT p0))]
Running random walk in product with property : SieveSingleMsgMbox-PT-d1m06-LTLFireability-04
Product exploration explored 100000 steps with 22272 reset in 182 ms.
Product exploration explored 100000 steps with 22439 reset in 185 ms.
Computed a total of 19 stabilizing places and 26 stable transitions
Graph (complete) has 320 edges and 97 vertex of which 96 are kept as prefixes of interest. Removing 1 places using SCC suffix rule.1 ms
Computed a total of 19 stabilizing places and 26 stable transitions
Knowledge obtained : [(AND (NOT p1) p0), (X (NOT (AND (NOT p1) (NOT p0)))), (X (NOT (AND p1 (NOT p0)))), (X p0), (X (NOT p1)), (X (X (NOT (AND (NOT p1) (NOT p0))))), (X (X (NOT (AND p1 (NOT p0))))), (X (X p0)), (X (X (NOT p1)))]
False Knowledge obtained : []
Knowledge based reduction with 9 factoid took 104 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 94 ms :[(AND (NOT p0) (NOT p1)), (AND (NOT p0) (NOT p1))]
RANDOM walk for 40000 steps (8936 resets) in 421 ms. (94 steps per ms) remains 4/4 properties
BEST_FIRST walk for 40002 steps (1937 resets) in 208 ms. (191 steps per ms) remains 4/4 properties
BEST_FIRST walk for 40003 steps (1887 resets) in 146 ms. (272 steps per ms) remains 4/4 properties
BEST_FIRST walk for 40004 steps (1898 resets) in 87 ms. (454 steps per ms) remains 4/4 properties
BEST_FIRST walk for 40003 steps (1907 resets) in 82 ms. (481 steps per ms) remains 4/4 properties
Probably explored full state space saw : 83813 states, properties seen :3
Probabilistic random walk after 217503 steps, saw 83813 distinct states, run finished after 746 ms. (steps per millisecond=291 ) properties seen :3
Explored full state space saw : 83813 states, properties seen :0
Exhaustive walk after 217503 steps, saw 83813 distinct states, run finished after 249 ms. (steps per millisecond=873 ) properties seen :0
Found 1 invariant AP formulas.
Knowledge obtained : [(AND (NOT p1) p0), (X (NOT (AND (NOT p1) (NOT p0)))), (X (NOT (AND p1 (NOT p0)))), (X p0), (X (NOT p1)), (X (X (NOT (AND (NOT p1) (NOT p0))))), (X (X (NOT (AND p1 (NOT p0))))), (X (X p0)), (X (X (NOT p1))), (G (OR p0 (NOT p1)))]
False Knowledge obtained : [(F p1), (F (NOT (OR p0 p1))), (F (NOT p0))]
Knowledge based reduction with 10 factoid took 227 ms. Reduced automaton from 2 states, 4 edges and 2 AP (stutter insensitive) to 2 states, 3 edges and 1 AP (stutter insensitive).
Stuttering acceptance computed with spot in 70 ms :[(NOT p0), (NOT p0)]
Stuttering acceptance computed with spot in 70 ms :[(NOT p0), (NOT p0)]
Support contains 2 out of 97 places. Attempting structural reductions.
Property had overlarge support with respect to TGBA, discarding it for now.
Starting structural reductions in SI_LTL mode, iteration 0 : 97/97 places, 125/125 transitions.
Applied a total of 0 rules in 11 ms. Remains 97 /97 variables (removed 0) and now considering 125/125 (removed 0) transitions.
[2025-06-05 21:02:12] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-05 21:02:12] [INFO ] Implicit Places using invariants in 60 ms returned []
[2025-06-05 21:02:12] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-05 21:02:12] [INFO ] State equation strengthened by 61 read => feed constraints.
[2025-06-05 21:02:13] [INFO ] Implicit Places using invariants and state equation in 396 ms returned []
Implicit Place search using SMT with State Equation took 458 ms to find 0 implicit places.
Starting Z3 with timeout 200.0 s and query timeout 20000.0 ms
[2025-06-05 21:02:13] [INFO ] Redundant transitions in 3 ms returned []
Running 124 sub problems to find dead transitions.
[2025-06-05 21:02:13] [INFO ] Invariant cache hit.
[2025-06-05 21:02:13] [INFO ] State equation strengthened by 61 read => feed constraints.
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/96 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 124 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/96 variables, 3/4 constraints. Problems are: Problem set: 0 solved, 124 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-05 21:02:13] [INFO ] Deduced a trap composed of 16 places in 80 ms of which 10 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-05 21:02:13] [INFO ] Deduced a trap composed of 15 places in 55 ms of which 3 ms to minimize.
At refinement iteration 2 (INCLUDED_ONLY) 0/96 variables, 2/6 constraints. Problems are: Problem set: 0 solved, 124 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-05 21:02:14] [INFO ] Deduced a trap composed of 14 places in 77 ms of which 4 ms to minimize.
At refinement iteration 3 (INCLUDED_ONLY) 0/96 variables, 1/7 constraints. Problems are: Problem set: 0 solved, 124 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/96 variables, 0/7 constraints. Problems are: Problem set: 0 solved, 124 unsolved
At refinement iteration 5 (OVERLAPS) 1/97 variables, 1/8 constraints. Problems are: Problem set: 0 solved, 124 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-05 21:02:15] [INFO ] Deduced a trap composed of 29 places in 56 ms of which 3 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-05 21:02:15] [INFO ] Deduced a trap composed of 25 places in 53 ms of which 6 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-05 21:02:15] [INFO ] Deduced a trap composed of 29 places in 45 ms of which 5 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-05 21:02:15] [INFO ] Deduced a trap composed of 30 places in 46 ms of which 5 ms to minimize.
At refinement iteration 6 (INCLUDED_ONLY) 0/97 variables, 4/12 constraints. Problems are: Problem set: 0 solved, 124 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/97 variables, 0/12 constraints. Problems are: Problem set: 0 solved, 124 unsolved
At refinement iteration 8 (OVERLAPS) 125/222 variables, 97/109 constraints. Problems are: Problem set: 0 solved, 124 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/222 variables, 61/170 constraints. Problems are: Problem set: 0 solved, 124 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-05 21:02:17] [INFO ] Deduced a trap composed of 13 places in 69 ms of which 6 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-05 21:02:17] [INFO ] Deduced a trap composed of 27 places in 55 ms of which 8 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-05 21:02:17] [INFO ] Deduced a trap composed of 28 places in 52 ms of which 8 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-05 21:02:18] [INFO ] Deduced a trap composed of 28 places in 54 ms of which 8 ms to minimize.
At refinement iteration 10 (INCLUDED_ONLY) 0/222 variables, 4/174 constraints. Problems are: Problem set: 0 solved, 124 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-05 21:02:18] [INFO ] Deduced a trap composed of 33 places in 38 ms of which 2 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-05 21:02:19] [INFO ] Deduced a trap composed of 28 places in 52 ms of which 6 ms to minimize.
At refinement iteration 11 (INCLUDED_ONLY) 0/222 variables, 2/176 constraints. Problems are: Problem set: 0 solved, 124 unsolved
At refinement iteration 12 (INCLUDED_ONLY) 0/222 variables, 0/176 constraints. Problems are: Problem set: 0 solved, 124 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-05 21:02:22] [INFO ] Deduced a trap composed of 28 places in 57 ms of which 9 ms to minimize.
At refinement iteration 13 (OVERLAPS) 0/222 variables, 1/177 constraints. Problems are: Problem set: 0 solved, 124 unsolved
At refinement iteration 14 (INCLUDED_ONLY) 0/222 variables, 0/177 constraints. Problems are: Problem set: 0 solved, 124 unsolved
At refinement iteration 15 (OVERLAPS) 0/222 variables, 0/177 constraints. Problems are: Problem set: 0 solved, 124 unsolved
No progress, stopping.
After SMT solving in domain Real declared 222/222 variables, and 177 constraints, problems are : Problem set: 0 solved, 124 unsolved in 16063 ms.
Refiners :[Positive P Invariants (semi-flows): 2/2 constraints, Generalized P Invariants (flows): 3/3 constraints, State Equation: 97/97 constraints, ReadFeed: 61/61 constraints, PredecessorRefiner: 124/124 constraints, Known Traps: 14/14 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) 0/96 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 124 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/96 variables, 3/4 constraints. Problems are: Problem set: 0 solved, 124 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/96 variables, 4/8 constraints. Problems are: Problem set: 0 solved, 124 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/96 variables, 0/8 constraints. Problems are: Problem set: 0 solved, 124 unsolved
At refinement iteration 4 (OVERLAPS) 1/97 variables, 1/9 constraints. Problems are: Problem set: 0 solved, 124 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/97 variables, 10/19 constraints. Problems are: Problem set: 0 solved, 124 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/97 variables, 0/19 constraints. Problems are: Problem set: 0 solved, 124 unsolved
At refinement iteration 7 (OVERLAPS) 125/222 variables, 97/116 constraints. Problems are: Problem set: 0 solved, 124 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/222 variables, 61/177 constraints. Problems are: Problem set: 0 solved, 124 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/222 variables, 124/301 constraints. Problems are: Problem set: 0 solved, 124 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/222 variables, 0/301 constraints. Problems are: Problem set: 0 solved, 124 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 222/222 variables, and 301 constraints, problems are : Problem set: 0 solved, 124 unsolved in 30017 ms.
Refiners :[Positive P Invariants (semi-flows): 2/2 constraints, Generalized P Invariants (flows): 3/3 constraints, State Equation: 97/97 constraints, ReadFeed: 61/61 constraints, PredecessorRefiner: 124/124 constraints, Known Traps: 14/14 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 46122ms problems are : Problem set: 0 solved, 124 unsolved
Search for dead transitions found 0 dead transitions in 46122ms
Finished structural reductions in SI_LTL mode , in 1 iterations and 46602 ms. Remains : 97/97 places, 125/125 transitions.
Computed a total of 19 stabilizing places and 26 stable transitions
Graph (complete) has 320 edges and 97 vertex of which 96 are kept as prefixes of interest. Removing 1 places using SCC suffix rule.2 ms
Computed a total of 19 stabilizing places and 26 stable transitions
Knowledge obtained : [p0, (X p0), (X (X p0))]
False Knowledge obtained : []
Knowledge based reduction with 3 factoid took 70 ms. Reduced automaton from 2 states, 3 edges and 1 AP (stutter insensitive) to 2 states, 3 edges and 1 AP (stutter insensitive).
Stuttering acceptance computed with spot in 64 ms :[(NOT p0), (NOT p0)]
RANDOM walk for 40000 steps (8944 resets) in 171 ms. (232 steps per ms) remains 1/1 properties
BEST_FIRST walk for 40003 steps (1931 resets) in 106 ms. (373 steps per ms) remains 1/1 properties
Finished probabilistic random walk after 12353 steps, run visited all 1 properties in 38 ms. (steps per millisecond=325 )
Probabilistic random walk after 12353 steps, saw 5972 distinct states, run finished after 38 ms. (steps per millisecond=325 ) properties seen :1
Knowledge obtained : [p0, (X p0), (X (X p0))]
False Knowledge obtained : [(F (NOT p0))]
Knowledge based reduction with 3 factoid took 101 ms. Reduced automaton from 2 states, 3 edges and 1 AP (stutter insensitive) to 2 states, 3 edges and 1 AP (stutter insensitive).
Stuttering acceptance computed with spot in 79 ms :[(NOT p0), (NOT p0)]
Stuttering acceptance computed with spot in 75 ms :[(NOT p0), (NOT p0)]
Stuttering acceptance computed with spot in 70 ms :[(NOT p0), (NOT p0)]
Product exploration explored 100000 steps with 22435 reset in 128 ms.
Product exploration explored 100000 steps with 22557 reset in 139 ms.
Built C files in :
/tmp/ltsmin13675590586592089520
[2025-06-05 21:03:00] [INFO ] Computing symmetric may disable matrix : 125 transitions.
[2025-06-05 21:03:00] [INFO ] Computation of Complete disable matrix. took 3 ms. Total solver calls (SAT/UNSAT): 0(0/0)
[2025-06-05 21:03:00] [INFO ] Computing symmetric may enable matrix : 125 transitions.
[2025-06-05 21:03:00] [INFO ] Computation of Complete enable matrix. took 2 ms. Total solver calls (SAT/UNSAT): 0(0/0)
[2025-06-05 21:03:00] [INFO ] Computing Do-Not-Accords matrix : 125 transitions.
[2025-06-05 21:03:00] [INFO ] Computation of Completed DNA matrix. took 1 ms. Total solver calls (SAT/UNSAT): 0(0/0)
[2025-06-05 21:03:00] [INFO ] Built C files in 41ms conformant to PINS (ltsmin variant)in folder :/tmp/ltsmin13675590586592089520
Running compilation step : cd /tmp/ltsmin13675590586592089520;'/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 372 ms.
Running link step : cd /tmp/ltsmin13675590586592089520;'gcc' '-shared' '-o' 'gal.so' 'model.o'
Link finished in 43 ms.
Running LTSmin : cd /tmp/ltsmin13675590586592089520;'/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/stateBased10407842711647218878.hoa' '--buchi-type=spotba'
LTSmin run took 1447 ms.
FORMULA SieveSingleMsgMbox-PT-d1m06-LTLFireability-04 TRUE TECHNIQUES PARTIAL_ORDER EXPLICIT LTSMIN SAT_SMT
Treatment of property SieveSingleMsgMbox-PT-d1m06-LTLFireability-04 finished in 97765 ms.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202505121319/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!((X(G(p0))&&(p1 U (X(!p1) U ((X(!p1)&&G(!p2))||X(G(!p1)))))))'
Support contains 5 out of 142 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 142/142 places, 270/270 transitions.
Discarding 19 places :
Symmetric choice reduction at 0 with 19 rule applications. Total rules 19 place count 123 transition count 159
Iterating global reduction 0 with 19 rules applied. Total rules applied 38 place count 123 transition count 159
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 123 transition count 156
Discarding 15 places :
Symmetric choice reduction at 1 with 15 rule applications. Total rules 56 place count 108 transition count 140
Iterating global reduction 1 with 15 rules applied. Total rules applied 71 place count 108 transition count 140
Ensure Unique test removed 7 transitions
Reduce isomorphic transitions removed 7 transitions.
Iterating post reduction 1 with 7 rules applied. Total rules applied 78 place count 108 transition count 133
Discarding 9 places :
Symmetric choice reduction at 2 with 9 rule applications. Total rules 87 place count 99 transition count 124
Iterating global reduction 2 with 9 rules applied. Total rules applied 96 place count 99 transition count 124
Ensure Unique test removed 6 transitions
Reduce isomorphic transitions removed 6 transitions.
Iterating post reduction 2 with 6 rules applied. Total rules applied 102 place count 99 transition count 118
Discarding 3 places :
Symmetric choice reduction at 3 with 3 rule applications. Total rules 105 place count 96 transition count 115
Iterating global reduction 3 with 3 rules applied. Total rules applied 108 place count 96 transition count 115
Discarding 3 places :
Symmetric choice reduction at 3 with 3 rule applications. Total rules 111 place count 93 transition count 112
Iterating global reduction 3 with 3 rules applied. Total rules applied 114 place count 93 transition count 112
Discarding 1 places :
Symmetric choice reduction at 3 with 1 rule applications. Total rules 115 place count 92 transition count 111
Iterating global reduction 3 with 1 rules applied. Total rules applied 116 place count 92 transition count 111
Ensure Unique test removed 2 transitions
Reduce isomorphic transitions removed 2 transitions.
Iterating post reduction 3 with 2 rules applied. Total rules applied 118 place count 92 transition count 109
Discarding 1 places :
Symmetric choice reduction at 4 with 1 rule applications. Total rules 119 place count 91 transition count 108
Iterating global reduction 4 with 1 rules applied. Total rules applied 120 place count 91 transition count 108
Applied a total of 120 rules in 10 ms. Remains 91 /142 variables (removed 51) and now considering 108/270 (removed 162) transitions.
// Phase 1: matrix 108 rows 91 cols
[2025-06-05 21:03:02] [INFO ] Computed 5 invariants in 4 ms
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-05 21:03:02] [INFO ] Implicit Places using invariants in 61 ms returned []
[2025-06-05 21:03:02] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-05 21:03:02] [INFO ] State equation strengthened by 47 read => feed constraints.
[2025-06-05 21:03:02] [INFO ] Implicit Places using invariants and state equation in 249 ms returned []
Implicit Place search using SMT with State Equation took 312 ms to find 0 implicit places.
Running 107 sub problems to find dead transitions.
[2025-06-05 21:03:02] [INFO ] Invariant cache hit.
[2025-06-05 21:03:02] [INFO ] State equation strengthened by 47 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, 107 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/90 variables, 3/4 constraints. Problems are: Problem set: 0 solved, 107 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-05 21:03:02] [INFO ] Deduced a trap composed of 13 places in 52 ms of which 3 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-05 21:03:02] [INFO ] Deduced a trap composed of 15 places in 50 ms of which 2 ms to minimize.
At refinement iteration 2 (INCLUDED_ONLY) 0/90 variables, 2/6 constraints. Problems are: Problem set: 0 solved, 107 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/90 variables, 0/6 constraints. Problems are: Problem set: 0 solved, 107 unsolved
At refinement iteration 4 (OVERLAPS) 1/91 variables, 1/7 constraints. Problems are: Problem set: 0 solved, 107 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-05 21:03:03] [INFO ] Deduced a trap composed of 13 places in 47 ms of which 5 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-05 21:03:03] [INFO ] Deduced a trap composed of 28 places in 38 ms of which 4 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-05 21:03:03] [INFO ] Deduced a trap composed of 29 places in 45 ms of which 5 ms to minimize.
At refinement iteration 5 (INCLUDED_ONLY) 0/91 variables, 3/10 constraints. Problems are: Problem set: 0 solved, 107 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/91 variables, 0/10 constraints. Problems are: Problem set: 0 solved, 107 unsolved
At refinement iteration 7 (OVERLAPS) 108/199 variables, 91/101 constraints. Problems are: Problem set: 0 solved, 107 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/199 variables, 47/148 constraints. Problems are: Problem set: 0 solved, 107 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/199 variables, 0/148 constraints. Problems are: Problem set: 0 solved, 107 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-05 21:03:06] [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
[2025-06-05 21:03:06] [INFO ] Deduced a trap composed of 31 places in 33 ms of which 2 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-05 21:03:06] [INFO ] Deduced a trap composed of 28 places in 51 ms of which 8 ms to minimize.
At refinement iteration 10 (OVERLAPS) 0/199 variables, 3/151 constraints. Problems are: Problem set: 0 solved, 107 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/199 variables, 0/151 constraints. Problems are: Problem set: 0 solved, 107 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-05 21:03:09] [INFO ] Deduced a trap composed of 28 places in 55 ms of which 7 ms to minimize.
At refinement iteration 12 (OVERLAPS) 0/199 variables, 1/152 constraints. Problems are: Problem set: 0 solved, 107 unsolved
At refinement iteration 13 (INCLUDED_ONLY) 0/199 variables, 0/152 constraints. Problems are: Problem set: 0 solved, 107 unsolved
At refinement iteration 14 (OVERLAPS) 0/199 variables, 0/152 constraints. Problems are: Problem set: 0 solved, 107 unsolved
No progress, stopping.
After SMT solving in domain Real declared 199/199 variables, and 152 constraints, problems are : Problem set: 0 solved, 107 unsolved in 9957 ms.
Refiners :[Positive P Invariants (semi-flows): 2/2 constraints, Generalized P Invariants (flows): 3/3 constraints, State Equation: 91/91 constraints, ReadFeed: 47/47 constraints, PredecessorRefiner: 107/107 constraints, Known Traps: 9/9 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 107 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, 107 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/90 variables, 3/4 constraints. Problems are: Problem set: 0 solved, 107 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/90 variables, 3/7 constraints. Problems are: Problem set: 0 solved, 107 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/90 variables, 0/7 constraints. Problems are: Problem set: 0 solved, 107 unsolved
At refinement iteration 4 (OVERLAPS) 1/91 variables, 1/8 constraints. Problems are: Problem set: 0 solved, 107 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/91 variables, 6/14 constraints. Problems are: Problem set: 0 solved, 107 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-05 21:03:12] [INFO ] Deduced a trap composed of 24 places in 42 ms of which 6 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-05 21:03:12] [INFO ] Deduced a trap composed of 28 places in 41 ms of which 5 ms to minimize.
At refinement iteration 6 (INCLUDED_ONLY) 0/91 variables, 2/16 constraints. Problems are: Problem set: 0 solved, 107 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/91 variables, 0/16 constraints. Problems are: Problem set: 0 solved, 107 unsolved
At refinement iteration 8 (OVERLAPS) 108/199 variables, 91/107 constraints. Problems are: Problem set: 0 solved, 107 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/199 variables, 47/154 constraints. Problems are: Problem set: 0 solved, 107 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/199 variables, 107/261 constraints. Problems are: Problem set: 0 solved, 107 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/199 variables, 0/261 constraints. Problems are: Problem set: 0 solved, 107 unsolved
At refinement iteration 12 (OVERLAPS) 0/199 variables, 0/261 constraints. Problems are: Problem set: 0 solved, 107 unsolved
No progress, stopping.
After SMT solving in domain Int declared 199/199 variables, and 261 constraints, problems are : Problem set: 0 solved, 107 unsolved in 27444 ms.
Refiners :[Positive P Invariants (semi-flows): 2/2 constraints, Generalized P Invariants (flows): 3/3 constraints, State Equation: 91/91 constraints, ReadFeed: 47/47 constraints, PredecessorRefiner: 107/107 constraints, Known Traps: 11/11 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 37442ms problems are : Problem set: 0 solved, 107 unsolved
Search for dead transitions found 0 dead transitions in 37443ms
Starting structural reductions in LTL mode, iteration 1 : 91/142 places, 108/270 transitions.
Finished structural reductions in LTL mode , in 1 iterations and 37767 ms. Remains : 91/142 places, 108/270 transitions.
Stuttering acceptance computed with spot in 295 ms :[true, (OR (NOT p0) p1), (OR (NOT p0) (AND p1 p2)), (OR (NOT p0) p2), (OR (NOT p0) p1), (OR (NOT p0) p1), (OR (NOT p0) p1), (OR (NOT p0) p1)]
Running random walk in product with property : SieveSingleMsgMbox-PT-d1m06-LTLFireability-05
Entered a terminal (fully accepting) state of product in 1 steps with 0 reset in 1 ms.
FORMULA SieveSingleMsgMbox-PT-d1m06-LTLFireability-05 FALSE TECHNIQUES STUTTER_TEST
Treatment of property SieveSingleMsgMbox-PT-d1m06-LTLFireability-05 finished in 38094 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 142 places. Attempting structural reductions.
Starting structural reductions in SI_LTL mode, iteration 0 : 142/142 places, 270/270 transitions.
Discarding 21 places :
Symmetric choice reduction at 0 with 21 rule applications. Total rules 21 place count 121 transition count 157
Iterating global reduction 0 with 21 rules applied. Total rules applied 42 place count 121 transition count 157
Ensure Unique test removed 3 transitions
Reduce isomorphic transitions removed 3 transitions.
Iterating post reduction 0 with 3 rules applied. Total rules applied 45 place count 121 transition count 154
Discarding 16 places :
Symmetric choice reduction at 1 with 16 rule applications. Total rules 61 place count 105 transition count 137
Iterating global reduction 1 with 16 rules applied. Total rules applied 77 place count 105 transition count 137
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 105 transition count 130
Discarding 10 places :
Symmetric choice reduction at 2 with 10 rule applications. Total rules 94 place count 95 transition count 119
Iterating global reduction 2 with 10 rules applied. Total rules applied 104 place count 95 transition count 119
Ensure Unique test removed 7 transitions
Reduce isomorphic transitions removed 7 transitions.
Iterating post reduction 2 with 7 rules applied. Total rules applied 111 place count 95 transition count 112
Discarding 3 places :
Symmetric choice reduction at 3 with 3 rule applications. Total rules 114 place count 92 transition count 109
Iterating global reduction 3 with 3 rules applied. Total rules applied 117 place count 92 transition count 109
Discarding 3 places :
Symmetric choice reduction at 3 with 3 rule applications. Total rules 120 place count 89 transition count 106
Iterating global reduction 3 with 3 rules applied. Total rules applied 123 place count 89 transition count 106
Discarding 2 places :
Symmetric choice reduction at 3 with 2 rule applications. Total rules 125 place count 87 transition count 103
Iterating global reduction 3 with 2 rules applied. Total rules applied 127 place count 87 transition count 103
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 87 transition count 101
Discarding 2 places :
Symmetric choice reduction at 4 with 2 rule applications. Total rules 131 place count 85 transition count 99
Iterating global reduction 4 with 2 rules applied. Total rules applied 133 place count 85 transition count 99
Discarding 1 places :
Symmetric choice reduction at 4 with 1 rule applications. Total rules 134 place count 84 transition count 98
Iterating global reduction 4 with 1 rules applied. Total rules applied 135 place count 84 transition count 98
Applied a total of 135 rules in 30 ms. Remains 84 /142 variables (removed 58) and now considering 98/270 (removed 172) transitions.
// Phase 1: matrix 98 rows 84 cols
[2025-06-05 21:03:40] [INFO ] Computed 5 invariants in 2 ms
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-05 21:03:40] [INFO ] Implicit Places using invariants in 56 ms returned []
[2025-06-05 21:03:40] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-05 21:03:40] [INFO ] State equation strengthened by 44 read => feed constraints.
[2025-06-05 21:03:40] [INFO ] Implicit Places using invariants and state equation in 211 ms returned []
Implicit Place search using SMT with State Equation took 269 ms to find 0 implicit places.
Starting Z3 with timeout 200.0 s and query timeout 20000.0 ms
[2025-06-05 21:03:40] [INFO ] Redundant transitions in 3 ms returned []
Running 97 sub problems to find dead transitions.
[2025-06-05 21:03:40] [INFO ] Invariant cache hit.
[2025-06-05 21:03:40] [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
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-05 21:03:40] [INFO ] Deduced a trap composed of 14 places in 55 ms of which 3 ms to minimize.
At refinement iteration 2 (INCLUDED_ONLY) 0/83 variables, 1/5 constraints. Problems are: Problem set: 0 solved, 97 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/83 variables, 0/5 constraints. Problems are: Problem set: 0 solved, 97 unsolved
At refinement iteration 4 (OVERLAPS) 1/84 variables, 1/6 constraints. Problems are: Problem set: 0 solved, 97 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-05 21:03:41] [INFO ] Deduced a trap composed of 12 places in 48 ms of which 5 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-05 21:03:41] [INFO ] Deduced a trap composed of 25 places in 36 ms of which 3 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-05 21:03:41] [INFO ] Deduced a trap composed of 24 places in 39 ms of which 5 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-05 21:03:41] [INFO ] Deduced a trap composed of 25 places in 38 ms of which 5 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-05 21:03:41] [INFO ] Deduced a trap composed of 26 places in 36 ms of which 4 ms to minimize.
At refinement iteration 5 (INCLUDED_ONLY) 0/84 variables, 5/11 constraints. Problems are: Problem set: 0 solved, 97 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/84 variables, 0/11 constraints. Problems are: Problem set: 0 solved, 97 unsolved
At refinement iteration 7 (OVERLAPS) 98/182 variables, 84/95 constraints. Problems are: Problem set: 0 solved, 97 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/182 variables, 44/139 constraints. Problems are: Problem set: 0 solved, 97 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-05 21:03:43] [INFO ] Deduced a trap composed of 12 places in 58 ms of which 6 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-05 21:03:43] [INFO ] Deduced a trap composed of 26 places in 47 ms of which 3 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-05 21:03:43] [INFO ] Deduced a trap composed of 26 places in 44 ms of which 4 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-05 21:03:43] [INFO ] Deduced a trap composed of 24 places in 58 ms of which 7 ms to minimize.
At refinement iteration 9 (INCLUDED_ONLY) 0/182 variables, 4/143 constraints. Problems are: Problem set: 0 solved, 97 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/182 variables, 0/143 constraints. Problems are: Problem set: 0 solved, 97 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-05 21:03:45] [INFO ] Deduced a trap composed of 25 places in 48 ms of which 7 ms to minimize.
At refinement iteration 11 (OVERLAPS) 0/182 variables, 1/144 constraints. Problems are: Problem set: 0 solved, 97 unsolved
At refinement iteration 12 (INCLUDED_ONLY) 0/182 variables, 0/144 constraints. Problems are: Problem set: 0 solved, 97 unsolved
At refinement iteration 13 (OVERLAPS) 0/182 variables, 0/144 constraints. Problems are: Problem set: 0 solved, 97 unsolved
No progress, stopping.
After SMT solving in domain Real declared 182/182 variables, and 144 constraints, problems are : Problem set: 0 solved, 97 unsolved in 7861 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: 11/11 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, 3/7 constraints. Problems are: Problem set: 0 solved, 97 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/83 variables, 0/7 constraints. Problems are: Problem set: 0 solved, 97 unsolved
At refinement iteration 4 (OVERLAPS) 1/84 variables, 1/8 constraints. Problems are: Problem set: 0 solved, 97 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/84 variables, 8/16 constraints. Problems are: Problem set: 0 solved, 97 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-05 21:03:48] [INFO ] Deduced a trap composed of 25 places in 41 ms of which 3 ms to minimize.
At refinement iteration 6 (INCLUDED_ONLY) 0/84 variables, 1/17 constraints. Problems are: Problem set: 0 solved, 97 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/84 variables, 0/17 constraints. Problems are: Problem set: 0 solved, 97 unsolved
At refinement iteration 8 (OVERLAPS) 98/182 variables, 84/101 constraints. Problems are: Problem set: 0 solved, 97 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/182 variables, 44/145 constraints. Problems are: Problem set: 0 solved, 97 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/182 variables, 97/242 constraints. Problems are: Problem set: 0 solved, 97 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/182 variables, 0/242 constraints. Problems are: Problem set: 0 solved, 97 unsolved
At refinement iteration 12 (OVERLAPS) 0/182 variables, 0/242 constraints. Problems are: Problem set: 0 solved, 97 unsolved
No progress, stopping.
After SMT solving in domain Int declared 182/182 variables, and 242 constraints, problems are : Problem set: 0 solved, 97 unsolved in 18000 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: 12/12 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 25890ms problems are : Problem set: 0 solved, 97 unsolved
Search for dead transitions found 0 dead transitions in 25891ms
Starting structural reductions in SI_LTL mode, iteration 1 : 84/142 places, 98/270 transitions.
Finished structural reductions in SI_LTL mode , in 1 iterations and 26202 ms. Remains : 84/142 places, 98/270 transitions.
Stuttering acceptance computed with spot in 57 ms :[(NOT p0)]
Running random walk in product with property : SieveSingleMsgMbox-PT-d1m06-LTLFireability-07
Stuttering criterion allowed to conclude after 2 steps with 0 reset in 0 ms.
FORMULA SieveSingleMsgMbox-PT-d1m06-LTLFireability-07 FALSE TECHNIQUES STUTTER_TEST
Treatment of property SieveSingleMsgMbox-PT-d1m06-LTLFireability-07 finished in 26278 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 U p1)&&(X(F(p3))||p2))))))'
Support contains 5 out of 142 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 142/142 places, 270/270 transitions.
Discarding 18 places :
Symmetric choice reduction at 0 with 18 rule applications. Total rules 18 place count 124 transition count 169
Iterating global reduction 0 with 18 rules applied. Total rules applied 36 place count 124 transition count 169
Ensure Unique test removed 2 transitions
Reduce isomorphic transitions removed 2 transitions.
Iterating post reduction 0 with 2 rules applied. Total rules applied 38 place count 124 transition count 167
Discarding 15 places :
Symmetric choice reduction at 1 with 15 rule applications. Total rules 53 place count 109 transition count 151
Iterating global reduction 1 with 15 rules applied. Total rules applied 68 place count 109 transition count 151
Ensure Unique test removed 6 transitions
Reduce isomorphic transitions removed 6 transitions.
Iterating post reduction 1 with 6 rules applied. Total rules applied 74 place count 109 transition count 145
Discarding 9 places :
Symmetric choice reduction at 2 with 9 rule applications. Total rules 83 place count 100 transition count 135
Iterating global reduction 2 with 9 rules applied. Total rules applied 92 place count 100 transition count 135
Ensure Unique test removed 7 transitions
Reduce isomorphic transitions removed 7 transitions.
Iterating post reduction 2 with 7 rules applied. Total rules applied 99 place count 100 transition count 128
Discarding 2 places :
Symmetric choice reduction at 3 with 2 rule applications. Total rules 101 place count 98 transition count 126
Iterating global reduction 3 with 2 rules applied. Total rules applied 103 place count 98 transition count 126
Discarding 2 places :
Symmetric choice reduction at 3 with 2 rule applications. Total rules 105 place count 96 transition count 124
Iterating global reduction 3 with 2 rules applied. Total rules applied 107 place count 96 transition count 124
Discarding 1 places :
Symmetric choice reduction at 3 with 1 rule applications. Total rules 108 place count 95 transition count 122
Iterating global reduction 3 with 1 rules applied. Total rules applied 109 place count 95 transition count 122
Discarding 1 places :
Symmetric choice reduction at 3 with 1 rule applications. Total rules 110 place count 94 transition count 121
Iterating global reduction 3 with 1 rules applied. Total rules applied 111 place count 94 transition count 121
Discarding 1 places :
Symmetric choice reduction at 3 with 1 rule applications. Total rules 112 place count 93 transition count 120
Iterating global reduction 3 with 1 rules applied. Total rules applied 113 place count 93 transition count 120
Applied a total of 113 rules in 16 ms. Remains 93 /142 variables (removed 49) and now considering 120/270 (removed 150) transitions.
// Phase 1: matrix 120 rows 93 cols
[2025-06-05 21:04:06] [INFO ] Computed 5 invariants in 3 ms
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-05 21:04:06] [INFO ] Implicit Places using invariants in 59 ms returned []
[2025-06-05 21:04:06] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-05 21:04:06] [INFO ] State equation strengthened by 61 read => feed constraints.
[2025-06-05 21:04:06] [INFO ] Implicit Places using invariants and state equation in 263 ms returned []
Implicit Place search using SMT with State Equation took 326 ms to find 0 implicit places.
Running 119 sub problems to find dead transitions.
[2025-06-05 21:04:06] [INFO ] Invariant cache hit.
[2025-06-05 21:04:06] [INFO ] State equation strengthened by 61 read => feed constraints.
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/92 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 119 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/92 variables, 3/4 constraints. Problems are: Problem set: 0 solved, 119 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-05 21:04:07] [INFO ] Deduced a trap composed of 14 places in 57 ms of which 2 ms to minimize.
At refinement iteration 2 (INCLUDED_ONLY) 0/92 variables, 1/5 constraints. Problems are: Problem set: 0 solved, 119 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/92 variables, 0/5 constraints. Problems are: Problem set: 0 solved, 119 unsolved
At refinement iteration 4 (OVERLAPS) 1/93 variables, 1/6 constraints. Problems are: Problem set: 0 solved, 119 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-05 21:04:08] [INFO ] Deduced a trap composed of 27 places in 44 ms of which 5 ms to minimize.
At refinement iteration 5 (INCLUDED_ONLY) 0/93 variables, 1/7 constraints. Problems are: Problem set: 0 solved, 119 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/93 variables, 0/7 constraints. Problems are: Problem set: 0 solved, 119 unsolved
At refinement iteration 7 (OVERLAPS) 120/213 variables, 93/100 constraints. Problems are: Problem set: 0 solved, 119 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/213 variables, 61/161 constraints. Problems are: Problem set: 0 solved, 119 unsolved
All remaining problems are real, not stopping.
At refinement iteration 9 (INCLUDED_ONLY) 0/213 variables, 0/161 constraints. Problems are: Problem set: 0 solved, 119 unsolved
At refinement iteration 10 (OVERLAPS) 0/213 variables, 0/161 constraints. Problems are: Problem set: 0 solved, 119 unsolved
No progress, stopping.
After SMT solving in domain Real declared 213/213 variables, and 161 constraints, problems are : Problem set: 0 solved, 119 unsolved in 5864 ms.
Refiners :[Positive P Invariants (semi-flows): 2/2 constraints, Generalized P Invariants (flows): 3/3 constraints, State Equation: 93/93 constraints, ReadFeed: 61/61 constraints, PredecessorRefiner: 119/119 constraints, Known Traps: 2/2 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) 0/92 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 119 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/92 variables, 3/4 constraints. Problems are: Problem set: 0 solved, 119 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/92 variables, 1/5 constraints. Problems are: Problem set: 0 solved, 119 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/92 variables, 0/5 constraints. Problems are: Problem set: 0 solved, 119 unsolved
At refinement iteration 4 (OVERLAPS) 1/93 variables, 1/6 constraints. Problems are: Problem set: 0 solved, 119 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/93 variables, 1/7 constraints. Problems are: Problem set: 0 solved, 119 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-05 21:04:13] [INFO ] Deduced a trap composed of 13 places in 52 ms of which 5 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-05 21:04:13] [INFO ] Deduced a trap composed of 24 places in 38 ms of which 5 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-05 21:04:13] [INFO ] Deduced a trap composed of 27 places in 34 ms of which 5 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-05 21:04:13] [INFO ] Deduced a trap composed of 28 places in 40 ms of which 4 ms to minimize.
At refinement iteration 6 (INCLUDED_ONLY) 0/93 variables, 4/11 constraints. Problems are: Problem set: 0 solved, 119 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/93 variables, 0/11 constraints. Problems are: Problem set: 0 solved, 119 unsolved
At refinement iteration 8 (OVERLAPS) 120/213 variables, 93/104 constraints. Problems are: Problem set: 0 solved, 119 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/213 variables, 61/165 constraints. Problems are: Problem set: 0 solved, 119 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/213 variables, 119/284 constraints. Problems are: Problem set: 0 solved, 119 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-05 21:04:17] [INFO ] Deduced a trap composed of 21 places in 43 ms of which 3 ms to minimize.
At refinement iteration 11 (INCLUDED_ONLY) 0/213 variables, 1/285 constraints. Problems are: Problem set: 0 solved, 119 unsolved
At refinement iteration 12 (INCLUDED_ONLY) 0/213 variables, 0/285 constraints. Problems are: Problem set: 0 solved, 119 unsolved
At refinement iteration 13 (OVERLAPS) 0/213 variables, 0/285 constraints. Problems are: Problem set: 0 solved, 119 unsolved
No progress, stopping.
After SMT solving in domain Int declared 213/213 variables, and 285 constraints, problems are : Problem set: 0 solved, 119 unsolved in 30012 ms.
Refiners :[Positive P Invariants (semi-flows): 2/2 constraints, Generalized P Invariants (flows): 3/3 constraints, State Equation: 93/93 constraints, ReadFeed: 61/61 constraints, PredecessorRefiner: 119/119 constraints, Known Traps: 7/7 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 35911ms problems are : Problem set: 0 solved, 119 unsolved
Search for dead transitions found 0 dead transitions in 35912ms
Starting structural reductions in LTL mode, iteration 1 : 93/142 places, 120/270 transitions.
Finished structural reductions in LTL mode , in 1 iterations and 36255 ms. Remains : 93/142 places, 120/270 transitions.
Stuttering acceptance computed with spot in 293 ms :[(OR (NOT p1) (AND (NOT p2) (NOT p3))), (OR (NOT p1) (AND (NOT p2) (NOT p3))), (OR (NOT p1) (AND (NOT p2) (NOT p3))), (NOT p1), (OR (AND (NOT p2) (NOT p3)) (AND (NOT p1) (NOT p3))), (AND (NOT p1) (NOT p3))]
Running random walk in product with property : SieveSingleMsgMbox-PT-d1m06-LTLFireability-08
Stuttering criterion allowed to conclude after 2 steps with 0 reset in 0 ms.
FORMULA SieveSingleMsgMbox-PT-d1m06-LTLFireability-08 FALSE TECHNIQUES STUTTER_TEST
Treatment of property SieveSingleMsgMbox-PT-d1m06-LTLFireability-08 finished in 36573 ms.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202505121319/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!(G(F(p0)))'
Support contains 2 out of 142 places. Attempting structural reductions.
Starting structural reductions in SI_LTL mode, iteration 0 : 142/142 places, 270/270 transitions.
Discarding 21 places :
Symmetric choice reduction at 0 with 21 rule applications. Total rules 21 place count 121 transition count 157
Iterating global reduction 0 with 21 rules applied. Total rules applied 42 place count 121 transition count 157
Ensure Unique test removed 3 transitions
Reduce isomorphic transitions removed 3 transitions.
Iterating post reduction 0 with 3 rules applied. Total rules applied 45 place count 121 transition count 154
Discarding 16 places :
Symmetric choice reduction at 1 with 16 rule applications. Total rules 61 place count 105 transition count 137
Iterating global reduction 1 with 16 rules applied. Total rules applied 77 place count 105 transition count 137
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 105 transition count 130
Discarding 10 places :
Symmetric choice reduction at 2 with 10 rule applications. Total rules 94 place count 95 transition count 119
Iterating global reduction 2 with 10 rules applied. Total rules applied 104 place count 95 transition count 119
Ensure Unique test removed 7 transitions
Reduce isomorphic transitions removed 7 transitions.
Iterating post reduction 2 with 7 rules applied. Total rules applied 111 place count 95 transition count 112
Discarding 3 places :
Symmetric choice reduction at 3 with 3 rule applications. Total rules 114 place count 92 transition count 109
Iterating global reduction 3 with 3 rules applied. Total rules applied 117 place count 92 transition count 109
Discarding 3 places :
Symmetric choice reduction at 3 with 3 rule applications. Total rules 120 place count 89 transition count 106
Iterating global reduction 3 with 3 rules applied. Total rules applied 123 place count 89 transition count 106
Discarding 2 places :
Symmetric choice reduction at 3 with 2 rule applications. Total rules 125 place count 87 transition count 103
Iterating global reduction 3 with 2 rules applied. Total rules applied 127 place count 87 transition count 103
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 87 transition count 101
Discarding 2 places :
Symmetric choice reduction at 4 with 2 rule applications. Total rules 131 place count 85 transition count 99
Iterating global reduction 4 with 2 rules applied. Total rules applied 133 place count 85 transition count 99
Discarding 1 places :
Symmetric choice reduction at 4 with 1 rule applications. Total rules 134 place count 84 transition count 98
Iterating global reduction 4 with 1 rules applied. Total rules applied 135 place count 84 transition count 98
Applied a total of 135 rules in 23 ms. Remains 84 /142 variables (removed 58) and now considering 98/270 (removed 172) transitions.
// Phase 1: matrix 98 rows 84 cols
[2025-06-05 21:04:43] [INFO ] Computed 5 invariants in 3 ms
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-05 21:04:43] [INFO ] Implicit Places using invariants in 60 ms returned []
[2025-06-05 21:04:43] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-05 21:04:43] [INFO ] State equation strengthened by 44 read => feed constraints.
[2025-06-05 21:04:43] [INFO ] Implicit Places using invariants and state equation in 203 ms returned []
Implicit Place search using SMT with State Equation took 264 ms to find 0 implicit places.
Starting Z3 with timeout 200.0 s and query timeout 20000.0 ms
[2025-06-05 21:04:43] [INFO ] Redundant transitions in 2 ms returned []
Running 97 sub problems to find dead transitions.
[2025-06-05 21:04:43] [INFO ] Invariant cache hit.
[2025-06-05 21:04:43] [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
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-05 21:04:43] [INFO ] Deduced a trap composed of 14 places in 56 ms of which 3 ms to minimize.
At refinement iteration 2 (INCLUDED_ONLY) 0/83 variables, 1/5 constraints. Problems are: Problem set: 0 solved, 97 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/83 variables, 0/5 constraints. Problems are: Problem set: 0 solved, 97 unsolved
At refinement iteration 4 (OVERLAPS) 1/84 variables, 1/6 constraints. Problems are: Problem set: 0 solved, 97 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-05 21:04:44] [INFO ] Deduced a trap composed of 12 places in 52 ms of which 4 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-05 21:04:44] [INFO ] Deduced a trap composed of 25 places in 33 ms of which 3 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-05 21:04:44] [INFO ] Deduced a trap composed of 24 places in 38 ms of which 6 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-05 21:04:44] [INFO ] Deduced a trap composed of 25 places in 49 ms of which 8 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-05 21:04:44] [INFO ] Deduced a trap composed of 25 places in 36 ms of which 3 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-05 21:04:44] [INFO ] Deduced a trap composed of 26 places in 37 ms of which 4 ms to minimize.
At refinement iteration 5 (INCLUDED_ONLY) 0/84 variables, 6/12 constraints. Problems are: Problem set: 0 solved, 97 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/84 variables, 0/12 constraints. Problems are: Problem set: 0 solved, 97 unsolved
At refinement iteration 7 (OVERLAPS) 98/182 variables, 84/96 constraints. Problems are: Problem set: 0 solved, 97 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/182 variables, 44/140 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
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-05 21:04:47] [INFO ] Deduced a trap composed of 26 places in 45 ms of which 4 ms to minimize.
At refinement iteration 10 (OVERLAPS) 0/182 variables, 1/141 constraints. Problems are: Problem set: 0 solved, 97 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-05 21:04:47] [INFO ] Deduced a trap composed of 24 places in 54 ms of which 7 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-05 21:04:47] [INFO ] Deduced a trap composed of 25 places in 47 ms of which 6 ms to minimize.
At refinement iteration 11 (INCLUDED_ONLY) 0/182 variables, 2/143 constraints. Problems are: Problem set: 0 solved, 97 unsolved
At refinement iteration 12 (INCLUDED_ONLY) 0/182 variables, 0/143 constraints. Problems are: Problem set: 0 solved, 97 unsolved
At refinement iteration 13 (OVERLAPS) 0/182 variables, 0/143 constraints. Problems are: Problem set: 0 solved, 97 unsolved
No progress, stopping.
After SMT solving in domain Real declared 182/182 variables, and 143 constraints, problems are : Problem set: 0 solved, 97 unsolved in 7051 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: 10/10 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, 2/6 constraints. Problems are: Problem set: 0 solved, 97 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/83 variables, 0/6 constraints. Problems are: Problem set: 0 solved, 97 unsolved
At refinement iteration 4 (OVERLAPS) 1/84 variables, 1/7 constraints. Problems are: Problem set: 0 solved, 97 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/84 variables, 8/15 constraints. Problems are: Problem set: 0 solved, 97 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/84 variables, 0/15 constraints. Problems are: Problem set: 0 solved, 97 unsolved
At refinement iteration 7 (OVERLAPS) 98/182 variables, 84/99 constraints. Problems are: Problem set: 0 solved, 97 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/182 variables, 44/143 constraints. Problems are: Problem set: 0 solved, 97 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/182 variables, 97/240 constraints. Problems are: Problem set: 0 solved, 97 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-05 21:04:57] [INFO ] Deduced a trap along path composed of 17 places in 46 ms of which 12 ms to minimize.
At refinement iteration 10 (INCLUDED_ONLY) 0/182 variables, 1/241 constraints. Problems are: Problem set: 0 solved, 97 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/182 variables, 0/241 constraints. Problems are: Problem set: 0 solved, 97 unsolved
At refinement iteration 12 (OVERLAPS) 0/182 variables, 0/241 constraints. Problems are: Problem set: 0 solved, 97 unsolved
No progress, stopping.
After SMT solving in domain Int declared 182/182 variables, and 241 constraints, problems are : Problem set: 0 solved, 97 unsolved in 19881 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: 10/10 constraints, Known Traps Along Path: 1/1 constraints]
After SMT, in 26956ms problems are : Problem set: 0 solved, 97 unsolved
Search for dead transitions found 0 dead transitions in 26957ms
Starting structural reductions in SI_LTL mode, iteration 1 : 84/142 places, 98/270 transitions.
Finished structural reductions in SI_LTL mode , in 1 iterations and 27252 ms. Remains : 84/142 places, 98/270 transitions.
Stuttering acceptance computed with spot in 87 ms :[(NOT p0), (NOT p0)]
Running random walk in product with property : SieveSingleMsgMbox-PT-d1m06-LTLFireability-09
Stuttering criterion allowed to conclude after 5 steps with 0 reset in 0 ms.
FORMULA SieveSingleMsgMbox-PT-d1m06-LTLFireability-09 FALSE TECHNIQUES STUTTER_TEST
Treatment of property SieveSingleMsgMbox-PT-d1m06-LTLFireability-09 finished in 27358 ms.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202505121319/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!(F(G(!p0)))'
Support contains 2 out of 142 places. Attempting structural reductions.
Starting structural reductions in SI_LTL mode, iteration 0 : 142/142 places, 270/270 transitions.
Discarding 21 places :
Symmetric choice reduction at 0 with 21 rule applications. Total rules 21 place count 121 transition count 157
Iterating global reduction 0 with 21 rules applied. Total rules applied 42 place count 121 transition count 157
Ensure Unique test removed 3 transitions
Reduce isomorphic transitions removed 3 transitions.
Iterating post reduction 0 with 3 rules applied. Total rules applied 45 place count 121 transition count 154
Discarding 16 places :
Symmetric choice reduction at 1 with 16 rule applications. Total rules 61 place count 105 transition count 137
Iterating global reduction 1 with 16 rules applied. Total rules applied 77 place count 105 transition count 137
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 105 transition count 130
Discarding 10 places :
Symmetric choice reduction at 2 with 10 rule applications. Total rules 94 place count 95 transition count 119
Iterating global reduction 2 with 10 rules applied. Total rules applied 104 place count 95 transition count 119
Ensure Unique test removed 7 transitions
Reduce isomorphic transitions removed 7 transitions.
Iterating post reduction 2 with 7 rules applied. Total rules applied 111 place count 95 transition count 112
Discarding 3 places :
Symmetric choice reduction at 3 with 3 rule applications. Total rules 114 place count 92 transition count 109
Iterating global reduction 3 with 3 rules applied. Total rules applied 117 place count 92 transition count 109
Discarding 3 places :
Symmetric choice reduction at 3 with 3 rule applications. Total rules 120 place count 89 transition count 106
Iterating global reduction 3 with 3 rules applied. Total rules applied 123 place count 89 transition count 106
Discarding 2 places :
Symmetric choice reduction at 3 with 2 rule applications. Total rules 125 place count 87 transition count 103
Iterating global reduction 3 with 2 rules applied. Total rules applied 127 place count 87 transition count 103
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 87 transition count 101
Discarding 2 places :
Symmetric choice reduction at 4 with 2 rule applications. Total rules 131 place count 85 transition count 99
Iterating global reduction 4 with 2 rules applied. Total rules applied 133 place count 85 transition count 99
Discarding 1 places :
Symmetric choice reduction at 4 with 1 rule applications. Total rules 134 place count 84 transition count 98
Iterating global reduction 4 with 1 rules applied. Total rules applied 135 place count 84 transition count 98
Applied a total of 135 rules in 26 ms. Remains 84 /142 variables (removed 58) and now considering 98/270 (removed 172) transitions.
// Phase 1: matrix 98 rows 84 cols
[2025-06-05 21:05:10] [INFO ] Computed 5 invariants in 3 ms
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-05 21:05:10] [INFO ] Implicit Places using invariants in 60 ms returned []
[2025-06-05 21:05:10] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-05 21:05:10] [INFO ] State equation strengthened by 44 read => feed constraints.
[2025-06-05 21:05:10] [INFO ] Implicit Places using invariants and state equation in 233 ms returned []
Implicit Place search using SMT with State Equation took 294 ms to find 0 implicit places.
Starting Z3 with timeout 200.0 s and query timeout 20000.0 ms
[2025-06-05 21:05:10] [INFO ] Redundant transitions in 3 ms returned []
Running 97 sub problems to find dead transitions.
[2025-06-05 21:05:10] [INFO ] Invariant cache hit.
[2025-06-05 21:05:10] [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
[2025-06-05 21:05:11] [INFO ] Deduced a trap composed of 12 places in 54 ms of which 5 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-05 21:05:11] [INFO ] Deduced a trap composed of 12 places in 43 ms of which 4 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-05 21:05:11] [INFO ] Deduced a trap composed of 25 places in 33 ms of which 2 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-05 21:05:11] [INFO ] Deduced a trap composed of 24 places in 36 ms of which 5 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-05 21:05:11] [INFO ] Deduced a trap composed of 25 places in 37 ms of which 4 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-05 21:05:11] [INFO ] Deduced a trap composed of 25 places in 42 ms of which 5 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-05 21:05:11] [INFO ] Deduced a trap composed of 26 places in 36 ms of which 4 ms to minimize.
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
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-05 21:05:13] [INFO ] Deduced a trap composed of 26 places in 47 ms of which 3 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-05 21:05:13] [INFO ] Deduced a trap composed of 26 places in 45 ms of which 4 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-05 21:05:13] [INFO ] Deduced a trap composed of 24 places in 54 ms of which 7 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-05 21:05:13] [INFO ] Deduced a trap composed of 25 places in 48 ms of which 7 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-05 21:05:13] [INFO ] Deduced a trap composed of 25 places in 38 ms of which 3 ms to minimize.
At refinement iteration 8 (INCLUDED_ONLY) 0/182 variables, 5/145 constraints. Problems are: Problem set: 0 solved, 97 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/182 variables, 0/145 constraints. Problems are: Problem set: 0 solved, 97 unsolved
At refinement iteration 10 (OVERLAPS) 0/182 variables, 0/145 constraints. Problems are: Problem set: 0 solved, 97 unsolved
No progress, stopping.
After SMT solving in domain Real declared 182/182 variables, and 145 constraints, problems are : Problem set: 0 solved, 97 unsolved in 5979 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: 12/12 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, 2/6 constraints. Problems are: Problem set: 0 solved, 97 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/83 variables, 0/6 constraints. Problems are: Problem set: 0 solved, 97 unsolved
At refinement iteration 4 (OVERLAPS) 1/84 variables, 1/7 constraints. Problems are: Problem set: 0 solved, 97 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/84 variables, 10/17 constraints. Problems are: Problem set: 0 solved, 97 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/84 variables, 0/17 constraints. Problems are: Problem set: 0 solved, 97 unsolved
At refinement iteration 7 (OVERLAPS) 98/182 variables, 84/101 constraints. Problems are: Problem set: 0 solved, 97 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/182 variables, 44/145 constraints. Problems are: Problem set: 0 solved, 97 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/182 variables, 97/242 constraints. Problems are: Problem set: 0 solved, 97 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/182 variables, 0/242 constraints. Problems are: Problem set: 0 solved, 97 unsolved
At refinement iteration 11 (OVERLAPS) 0/182 variables, 0/242 constraints. Problems are: Problem set: 0 solved, 97 unsolved
No progress, stopping.
After SMT solving in domain Int declared 182/182 variables, and 242 constraints, problems are : Problem set: 0 solved, 97 unsolved in 30011 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: 12/12 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 36019ms problems are : Problem set: 0 solved, 97 unsolved
Search for dead transitions found 0 dead transitions in 36019ms
Starting structural reductions in SI_LTL mode, iteration 1 : 84/142 places, 98/270 transitions.
Finished structural reductions in SI_LTL mode , in 1 iterations and 36346 ms. Remains : 84/142 places, 98/270 transitions.
Stuttering acceptance computed with spot in 57 ms :[p0]
Running random walk in product with property : SieveSingleMsgMbox-PT-d1m06-LTLFireability-10
Product exploration explored 100000 steps with 22526 reset in 115 ms.
Product exploration explored 100000 steps with 22373 reset in 121 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.1 ms
Computed a total of 13 stabilizing places and 17 stable transitions
Knowledge obtained : [(NOT p0), (X (NOT p0)), (X (X (NOT p0)))]
False Knowledge obtained : []
Knowledge based reduction with 3 factoid took 90 ms. Reduced automaton from 1 states, 2 edges and 1 AP (stutter insensitive) to 1 states, 2 edges and 1 AP (stutter insensitive).
Stuttering acceptance computed with spot in 29 ms :[p0]
RANDOM walk for 40000 steps (8929 resets) in 95 ms. (416 steps per ms) remains 1/1 properties
BEST_FIRST walk for 40002 steps (1905 resets) in 51 ms. (769 steps per ms) remains 1/1 properties
Finished probabilistic random walk after 3608 steps, run visited all 1 properties in 10 ms. (steps per millisecond=360 )
Probabilistic random walk after 3608 steps, saw 1590 distinct states, run finished after 10 ms. (steps per millisecond=360 ) properties seen :1
Knowledge obtained : [(NOT p0), (X (NOT p0)), (X (X (NOT p0)))]
False Knowledge obtained : [(F p0)]
Knowledge based reduction with 3 factoid took 75 ms. Reduced automaton from 1 states, 2 edges and 1 AP (stutter insensitive) to 1 states, 2 edges and 1 AP (stutter insensitive).
Stuttering acceptance computed with spot in 24 ms :[p0]
Stuttering acceptance computed with spot in 36 ms :[p0]
Support contains 2 out of 84 places. Attempting structural reductions.
Starting structural reductions in SI_LTL mode, iteration 0 : 84/84 places, 98/98 transitions.
Applied a total of 0 rules in 6 ms. Remains 84 /84 variables (removed 0) and now considering 98/98 (removed 0) transitions.
[2025-06-05 21:05:47] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-05 21:05:47] [INFO ] Implicit Places using invariants in 57 ms returned []
[2025-06-05 21:05:47] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-05 21:05:47] [INFO ] State equation strengthened by 44 read => feed constraints.
[2025-06-05 21:05:47] [INFO ] Implicit Places using invariants and state equation in 260 ms returned []
Implicit Place search using SMT with State Equation took 319 ms to find 0 implicit places.
Starting Z3 with timeout 200.0 s and query timeout 20000.0 ms
[2025-06-05 21:05:47] [INFO ] Redundant transitions in 1 ms returned []
Running 97 sub problems to find dead transitions.
[2025-06-05 21:05:47] [INFO ] Invariant cache hit.
[2025-06-05 21:05:47] [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
[2025-06-05 21:05:48] [INFO ] Deduced a trap composed of 12 places in 45 ms of which 4 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-05 21:05:48] [INFO ] Deduced a trap composed of 12 places in 49 ms of which 3 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-05 21:05:48] [INFO ] Deduced a trap composed of 25 places in 47 ms of which 3 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-05 21:05:48] [INFO ] Deduced a trap composed of 24 places in 51 ms of which 5 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-05 21:05:48] [INFO ] Deduced a trap composed of 25 places in 45 ms of which 5 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-05 21:05:48] [INFO ] Deduced a trap composed of 25 places in 44 ms of which 4 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-05 21:05:48] [INFO ] Deduced a trap composed of 26 places in 44 ms of which 4 ms to minimize.
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
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-05 21:05:50] [INFO ] Deduced a trap composed of 26 places in 49 ms of which 3 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-05 21:05:50] [INFO ] Deduced a trap composed of 26 places in 43 ms of which 3 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-05 21:05:50] [INFO ] Deduced a trap composed of 24 places in 50 ms of which 7 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-05 21:05:50] [INFO ] Deduced a trap composed of 25 places in 49 ms of which 7 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-05 21:05:50] [INFO ] Deduced a trap composed of 25 places in 59 ms of which 3 ms to minimize.
At refinement iteration 8 (INCLUDED_ONLY) 0/182 variables, 5/145 constraints. Problems are: Problem set: 0 solved, 97 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/182 variables, 0/145 constraints. Problems are: Problem set: 0 solved, 97 unsolved
At refinement iteration 10 (OVERLAPS) 0/182 variables, 0/145 constraints. Problems are: Problem set: 0 solved, 97 unsolved
No progress, stopping.
After SMT solving in domain Real declared 182/182 variables, and 145 constraints, problems are : Problem set: 0 solved, 97 unsolved in 5932 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: 12/12 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, 2/6 constraints. Problems are: Problem set: 0 solved, 97 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/83 variables, 0/6 constraints. Problems are: Problem set: 0 solved, 97 unsolved
At refinement iteration 4 (OVERLAPS) 1/84 variables, 1/7 constraints. Problems are: Problem set: 0 solved, 97 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/84 variables, 10/17 constraints. Problems are: Problem set: 0 solved, 97 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/84 variables, 0/17 constraints. Problems are: Problem set: 0 solved, 97 unsolved
At refinement iteration 7 (OVERLAPS) 98/182 variables, 84/101 constraints. Problems are: Problem set: 0 solved, 97 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/182 variables, 44/145 constraints. Problems are: Problem set: 0 solved, 97 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/182 variables, 97/242 constraints. Problems are: Problem set: 0 solved, 97 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/182 variables, 0/242 constraints. Problems are: Problem set: 0 solved, 97 unsolved
At refinement iteration 11 (OVERLAPS) 0/182 variables, 0/242 constraints. Problems are: Problem set: 0 solved, 97 unsolved
No progress, stopping.
After SMT solving in domain Int declared 182/182 variables, and 242 constraints, problems are : Problem set: 0 solved, 97 unsolved in 30014 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: 12/12 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 35971ms problems are : Problem set: 0 solved, 97 unsolved
Search for dead transitions found 0 dead transitions in 35971ms
Finished structural reductions in SI_LTL mode , in 1 iterations and 36304 ms. Remains : 84/84 places, 98/98 transitions.
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 : [(NOT p0), (X (NOT p0)), (X (X (NOT p0)))]
False Knowledge obtained : []
Knowledge based reduction with 3 factoid took 91 ms. Reduced automaton from 1 states, 2 edges and 1 AP (stutter insensitive) to 1 states, 2 edges and 1 AP (stutter insensitive).
Stuttering acceptance computed with spot in 39 ms :[p0]
RANDOM walk for 40000 steps (8913 resets) in 83 ms. (476 steps per ms) remains 1/1 properties
BEST_FIRST walk for 40002 steps (1938 resets) in 27 ms. (1428 steps per ms) remains 1/1 properties
Finished probabilistic random walk after 3608 steps, run visited all 1 properties in 8 ms. (steps per millisecond=451 )
Probabilistic random walk after 3608 steps, saw 1590 distinct states, run finished after 8 ms. (steps per millisecond=451 ) properties seen :1
Knowledge obtained : [(NOT p0), (X (NOT p0)), (X (X (NOT p0)))]
False Knowledge obtained : [(F p0)]
Knowledge based reduction with 3 factoid took 102 ms. Reduced automaton from 1 states, 2 edges and 1 AP (stutter insensitive) to 1 states, 2 edges and 1 AP (stutter insensitive).
Stuttering acceptance computed with spot in 44 ms :[p0]
Stuttering acceptance computed with spot in 37 ms :[p0]
Stuttering acceptance computed with spot in 38 ms :[p0]
Product exploration explored 100000 steps with 22473 reset in 116 ms.
Product exploration explored 100000 steps with 22372 reset in 119 ms.
Built C files in :
/tmp/ltsmin10050787541237858945
[2025-06-05 21:06:24] [INFO ] Computing symmetric may disable matrix : 98 transitions.
[2025-06-05 21:06:24] [INFO ] Computation of Complete disable matrix. took 4 ms. Total solver calls (SAT/UNSAT): 0(0/0)
[2025-06-05 21:06:24] [INFO ] Computing symmetric may enable matrix : 98 transitions.
[2025-06-05 21:06:24] [INFO ] Computation of Complete enable matrix. took 2 ms. Total solver calls (SAT/UNSAT): 0(0/0)
[2025-06-05 21:06:24] [INFO ] Computing Do-Not-Accords matrix : 98 transitions.
[2025-06-05 21:06:24] [INFO ] Computation of Completed DNA matrix. took 1 ms. Total solver calls (SAT/UNSAT): 0(0/0)
[2025-06-05 21:06:24] [INFO ] Built C files in 18ms conformant to PINS (ltsmin variant)in folder :/tmp/ltsmin10050787541237858945
Running compilation step : cd /tmp/ltsmin10050787541237858945;'/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 224 ms.
Running link step : cd /tmp/ltsmin10050787541237858945;'gcc' '-shared' '-o' 'gal.so' 'model.o'
Link finished in 35 ms.
Running LTSmin : cd /tmp/ltsmin10050787541237858945;'/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/stateBased745454068579175773.hoa' '--buchi-type=spotba'
LTSmin run took 120 ms.
FORMULA SieveSingleMsgMbox-PT-d1m06-LTLFireability-10 FALSE TECHNIQUES PARTIAL_ORDER EXPLICIT LTSMIN SAT_SMT
Treatment of property SieveSingleMsgMbox-PT-d1m06-LTLFireability-10 finished in 74379 ms.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202505121319/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!(G(!p0))'
Support contains 2 out of 142 places. Attempting structural reductions.
Starting structural reductions in SI_LTL mode, iteration 0 : 142/142 places, 270/270 transitions.
Discarding 21 places :
Symmetric choice reduction at 0 with 21 rule applications. Total rules 21 place count 121 transition count 157
Iterating global reduction 0 with 21 rules applied. Total rules applied 42 place count 121 transition count 157
Ensure Unique test removed 3 transitions
Reduce isomorphic transitions removed 3 transitions.
Iterating post reduction 0 with 3 rules applied. Total rules applied 45 place count 121 transition count 154
Discarding 16 places :
Symmetric choice reduction at 1 with 16 rule applications. Total rules 61 place count 105 transition count 137
Iterating global reduction 1 with 16 rules applied. Total rules applied 77 place count 105 transition count 137
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 105 transition count 130
Discarding 10 places :
Symmetric choice reduction at 2 with 10 rule applications. Total rules 94 place count 95 transition count 119
Iterating global reduction 2 with 10 rules applied. Total rules applied 104 place count 95 transition count 119
Ensure Unique test removed 7 transitions
Reduce isomorphic transitions removed 7 transitions.
Iterating post reduction 2 with 7 rules applied. Total rules applied 111 place count 95 transition count 112
Discarding 3 places :
Symmetric choice reduction at 3 with 3 rule applications. Total rules 114 place count 92 transition count 109
Iterating global reduction 3 with 3 rules applied. Total rules applied 117 place count 92 transition count 109
Discarding 3 places :
Symmetric choice reduction at 3 with 3 rule applications. Total rules 120 place count 89 transition count 106
Iterating global reduction 3 with 3 rules applied. Total rules applied 123 place count 89 transition count 106
Discarding 2 places :
Symmetric choice reduction at 3 with 2 rule applications. Total rules 125 place count 87 transition count 103
Iterating global reduction 3 with 2 rules applied. Total rules applied 127 place count 87 transition count 103
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 87 transition count 101
Discarding 2 places :
Symmetric choice reduction at 4 with 2 rule applications. Total rules 131 place count 85 transition count 99
Iterating global reduction 4 with 2 rules applied. Total rules applied 133 place count 85 transition count 99
Discarding 1 places :
Symmetric choice reduction at 4 with 1 rule applications. Total rules 134 place count 84 transition count 98
Iterating global reduction 4 with 1 rules applied. Total rules applied 135 place count 84 transition count 98
Applied a total of 135 rules in 16 ms. Remains 84 /142 variables (removed 58) and now considering 98/270 (removed 172) transitions.
// Phase 1: matrix 98 rows 84 cols
[2025-06-05 21:06:24] [INFO ] Computed 5 invariants in 2 ms
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-05 21:06:24] [INFO ] Implicit Places using invariants in 62 ms returned []
[2025-06-05 21:06:24] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-05 21:06:24] [INFO ] State equation strengthened by 44 read => feed constraints.
[2025-06-05 21:06:25] [INFO ] Implicit Places using invariants and state equation in 198 ms returned []
Implicit Place search using SMT with State Equation took 262 ms to find 0 implicit places.
Starting Z3 with timeout 200.0 s and query timeout 20000.0 ms
[2025-06-05 21:06:25] [INFO ] Redundant transitions in 1 ms returned []
Running 97 sub problems to find dead transitions.
[2025-06-05 21:06:25] [INFO ] Invariant cache hit.
[2025-06-05 21:06:25] [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
[2025-06-05 21:06:25] [INFO ] Deduced a trap composed of 12 places in 46 ms of which 4 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-05 21:06:25] [INFO ] Deduced a trap composed of 12 places in 49 ms of which 4 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-05 21:06:26] [INFO ] Deduced a trap composed of 25 places in 35 ms of which 3 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-05 21:06:26] [INFO ] Deduced a trap composed of 24 places in 36 ms of which 6 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-05 21:06:26] [INFO ] Deduced a trap composed of 25 places in 33 ms of which 4 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-05 21:06:26] [INFO ] Deduced a trap composed of 25 places in 38 ms of which 4 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-05 21:06:26] [INFO ] Deduced a trap composed of 26 places in 36 ms of which 4 ms to minimize.
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
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-05 21:06:27] [INFO ] Deduced a trap composed of 26 places in 50 ms of which 4 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-05 21:06:27] [INFO ] Deduced a trap composed of 26 places in 46 ms of which 3 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-05 21:06:27] [INFO ] Deduced a trap composed of 24 places in 49 ms of which 7 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-05 21:06:27] [INFO ] Deduced a trap composed of 25 places in 46 ms of which 6 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-05 21:06:27] [INFO ] Deduced a trap composed of 25 places in 40 ms of which 3 ms to minimize.
At refinement iteration 8 (INCLUDED_ONLY) 0/182 variables, 5/145 constraints. Problems are: Problem set: 0 solved, 97 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/182 variables, 0/145 constraints. Problems are: Problem set: 0 solved, 97 unsolved
At refinement iteration 10 (OVERLAPS) 0/182 variables, 0/145 constraints. Problems are: Problem set: 0 solved, 97 unsolved
No progress, stopping.
After SMT solving in domain Real declared 182/182 variables, and 145 constraints, problems are : Problem set: 0 solved, 97 unsolved in 6023 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: 12/12 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, 2/6 constraints. Problems are: Problem set: 0 solved, 97 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/83 variables, 0/6 constraints. Problems are: Problem set: 0 solved, 97 unsolved
At refinement iteration 4 (OVERLAPS) 1/84 variables, 1/7 constraints. Problems are: Problem set: 0 solved, 97 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/84 variables, 10/17 constraints. Problems are: Problem set: 0 solved, 97 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/84 variables, 0/17 constraints. Problems are: Problem set: 0 solved, 97 unsolved
At refinement iteration 7 (OVERLAPS) 98/182 variables, 84/101 constraints. Problems are: Problem set: 0 solved, 97 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/182 variables, 44/145 constraints. Problems are: Problem set: 0 solved, 97 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/182 variables, 97/242 constraints. Problems are: Problem set: 0 solved, 97 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-05 21:06:39] [INFO ] Deduced a trap along path composed of 17 places in 25 ms of which 1 ms to minimize.
At refinement iteration 10 (INCLUDED_ONLY) 0/182 variables, 1/243 constraints. Problems are: Problem set: 0 solved, 97 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/182 variables, 0/243 constraints. Problems are: Problem set: 0 solved, 97 unsolved
At refinement iteration 12 (OVERLAPS) 0/182 variables, 0/243 constraints. Problems are: Problem set: 0 solved, 97 unsolved
No progress, stopping.
After SMT solving in domain Int declared 182/182 variables, and 243 constraints, problems are : Problem set: 0 solved, 97 unsolved in 23647 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: 12/12 constraints, Known Traps Along Path: 1/1 constraints]
After SMT, in 29701ms problems are : Problem set: 0 solved, 97 unsolved
Search for dead transitions found 0 dead transitions in 29702ms
Starting structural reductions in SI_LTL mode, iteration 1 : 84/142 places, 98/270 transitions.
Finished structural reductions in SI_LTL mode , in 1 iterations and 29988 ms. Remains : 84/142 places, 98/270 transitions.
Stuttering acceptance computed with spot in 43 ms :[true, p0]
Running random walk in product with property : SieveSingleMsgMbox-PT-d1m06-LTLFireability-11
Product exploration explored 100000 steps with 22428 reset in 117 ms.
Product exploration explored 100000 steps with 22506 reset in 124 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.2 ms
Computed a total of 13 stabilizing places and 17 stable transitions
Knowledge obtained : [(NOT p0), (X (NOT p0)), (X (X (NOT p0)))]
False Knowledge obtained : []
Knowledge based reduction with 3 factoid took 106 ms. Reduced automaton from 2 states, 3 edges and 1 AP (stutter insensitive) to 2 states, 3 edges and 1 AP (stutter insensitive).
Stuttering acceptance computed with spot in 51 ms :[true, p0]
RANDOM walk for 40000 steps (8994 resets) in 93 ms. (425 steps per ms) remains 1/1 properties
BEST_FIRST walk for 40001 steps (1919 resets) in 117 ms. (338 steps per ms) remains 1/1 properties
Finished probabilistic random walk after 3972 steps, run visited all 1 properties in 9 ms. (steps per millisecond=441 )
Probabilistic random walk after 3972 steps, saw 1814 distinct states, run finished after 9 ms. (steps per millisecond=441 ) properties seen :1
Knowledge obtained : [(NOT p0), (X (NOT p0)), (X (X (NOT p0)))]
False Knowledge obtained : [(F p0)]
Property proved to be false thanks to negative knowledge :(F p0)
Knowledge based reduction with 3 factoid took 74 ms. Reduced automaton from 2 states, 3 edges and 1 AP (stutter insensitive) to 1 states, 1 edges and 0 AP (stutter insensitive).
FORMULA SieveSingleMsgMbox-PT-d1m06-LTLFireability-11 FALSE TECHNIQUES KNOWLEDGE
Treatment of property SieveSingleMsgMbox-PT-d1m06-LTLFireability-11 finished in 30617 ms.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202505121319/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!(X(G((G(!p0)||X(F(p1))))))'
Support contains 3 out of 142 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 142/142 places, 270/270 transitions.
Discarding 20 places :
Symmetric choice reduction at 0 with 20 rule applications. Total rules 20 place count 122 transition count 166
Iterating global reduction 0 with 20 rules applied. Total rules applied 40 place count 122 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 122 transition count 163
Discarding 15 places :
Symmetric choice reduction at 1 with 15 rule applications. Total rules 58 place count 107 transition count 147
Iterating global reduction 1 with 15 rules applied. Total rules applied 73 place count 107 transition count 147
Ensure Unique test removed 6 transitions
Reduce isomorphic transitions removed 6 transitions.
Iterating post reduction 1 with 6 rules applied. Total rules applied 79 place count 107 transition count 141
Discarding 9 places :
Symmetric choice reduction at 2 with 9 rule applications. Total rules 88 place count 98 transition count 131
Iterating global reduction 2 with 9 rules applied. Total rules applied 97 place count 98 transition count 131
Ensure Unique test removed 6 transitions
Reduce isomorphic transitions removed 6 transitions.
Iterating post reduction 2 with 6 rules applied. Total rules applied 103 place count 98 transition count 125
Discarding 2 places :
Symmetric choice reduction at 3 with 2 rule applications. Total rules 105 place count 96 transition count 123
Iterating global reduction 3 with 2 rules applied. Total rules applied 107 place count 96 transition count 123
Discarding 2 places :
Symmetric choice reduction at 3 with 2 rule applications. Total rules 109 place count 94 transition count 121
Iterating global reduction 3 with 2 rules applied. Total rules applied 111 place count 94 transition count 121
Discarding 2 places :
Symmetric choice reduction at 3 with 2 rule applications. Total rules 113 place count 92 transition count 118
Iterating global reduction 3 with 2 rules applied. Total rules applied 115 place count 92 transition count 118
Ensure Unique test removed 3 transitions
Reduce isomorphic transitions removed 3 transitions.
Iterating post reduction 3 with 3 rules applied. Total rules applied 118 place count 92 transition count 115
Discarding 2 places :
Symmetric choice reduction at 4 with 2 rule applications. Total rules 120 place count 90 transition count 113
Iterating global reduction 4 with 2 rules applied. Total rules applied 122 place count 90 transition count 113
Discarding 1 places :
Symmetric choice reduction at 4 with 1 rule applications. Total rules 123 place count 89 transition count 112
Iterating global reduction 4 with 1 rules applied. Total rules applied 124 place count 89 transition count 112
Applied a total of 124 rules in 13 ms. Remains 89 /142 variables (removed 53) and now considering 112/270 (removed 158) transitions.
// Phase 1: matrix 112 rows 89 cols
[2025-06-05 21:06:55] [INFO ] Computed 5 invariants in 1 ms
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-05 21:06:55] [INFO ] Implicit Places using invariants in 76 ms returned []
[2025-06-05 21:06:55] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-05 21:06:55] [INFO ] State equation strengthened by 54 read => feed constraints.
[2025-06-05 21:06:55] [INFO ] Implicit Places using invariants and state equation in 288 ms returned []
Implicit Place search using SMT with State Equation took 375 ms to find 0 implicit places.
Running 111 sub problems to find dead transitions.
[2025-06-05 21:06:55] [INFO ] Invariant cache hit.
[2025-06-05 21:06:55] [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
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-05 21:06:56] [INFO ] Deduced a trap composed of 14 places in 46 ms of which 2 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-05 21:06:56] [INFO ] Deduced a trap composed of 14 places in 42 ms of which 2 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-05 21:06:56] [INFO ] Deduced a trap composed of 13 places in 57 ms of which 2 ms to minimize.
At refinement iteration 2 (INCLUDED_ONLY) 0/88 variables, 3/7 constraints. Problems are: Problem set: 0 solved, 111 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-05 21:06:56] [INFO ] Deduced a trap composed of 15 places in 55 ms of which 3 ms to minimize.
At refinement iteration 3 (INCLUDED_ONLY) 0/88 variables, 1/8 constraints. Problems are: Problem set: 0 solved, 111 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/88 variables, 0/8 constraints. Problems are: Problem set: 0 solved, 111 unsolved
At refinement iteration 5 (OVERLAPS) 1/89 variables, 1/9 constraints. Problems are: Problem set: 0 solved, 111 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-05 21:06:57] [INFO ] Deduced a trap composed of 27 places in 40 ms of which 4 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-05 21:06:57] [INFO ] Deduced a trap composed of 24 places in 37 ms of which 5 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-05 21:06:57] [INFO ] Deduced a trap composed of 27 places in 37 ms of which 5 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-05 21:06:57] [INFO ] Deduced a trap composed of 28 places in 40 ms of which 5 ms to minimize.
At refinement iteration 6 (INCLUDED_ONLY) 0/89 variables, 4/13 constraints. Problems are: Problem set: 0 solved, 111 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-05 21:06:57] [INFO ] Deduced a trap composed of 13 places in 52 ms of which 5 ms to minimize.
At refinement iteration 7 (INCLUDED_ONLY) 0/89 variables, 1/14 constraints. Problems are: Problem set: 0 solved, 111 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/89 variables, 0/14 constraints. Problems are: Problem set: 0 solved, 111 unsolved
At refinement iteration 9 (OVERLAPS) 112/201 variables, 89/103 constraints. Problems are: Problem set: 0 solved, 111 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/201 variables, 54/157 constraints. Problems are: Problem set: 0 solved, 111 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-05 21:06:59] [INFO ] Deduced a trap composed of 27 places in 51 ms of which 6 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-05 21:06:59] [INFO ] Deduced a trap composed of 26 places in 52 ms of which 7 ms to minimize.
At refinement iteration 11 (INCLUDED_ONLY) 0/201 variables, 2/159 constraints. Problems are: Problem set: 0 solved, 111 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-05 21:07:00] [INFO ] Deduced a trap composed of 25 places in 52 ms of which 8 ms to minimize.
At refinement iteration 12 (INCLUDED_ONLY) 0/201 variables, 1/160 constraints. Problems are: Problem set: 0 solved, 111 unsolved
At refinement iteration 13 (INCLUDED_ONLY) 0/201 variables, 0/160 constraints. Problems are: Problem set: 0 solved, 111 unsolved
At refinement iteration 14 (OVERLAPS) 0/201 variables, 0/160 constraints. Problems are: Problem set: 0 solved, 111 unsolved
No progress, stopping.
After SMT solving in domain Real declared 201/201 variables, and 160 constraints, problems are : Problem set: 0 solved, 111 unsolved in 11423 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: 12/12 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, 5/9 constraints. Problems are: Problem set: 0 solved, 111 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/88 variables, 0/9 constraints. Problems are: Problem set: 0 solved, 111 unsolved
At refinement iteration 4 (OVERLAPS) 1/89 variables, 1/10 constraints. Problems are: Problem set: 0 solved, 111 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/89 variables, 7/17 constraints. Problems are: Problem set: 0 solved, 111 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/89 variables, 0/17 constraints. Problems are: Problem set: 0 solved, 111 unsolved
At refinement iteration 7 (OVERLAPS) 112/201 variables, 89/106 constraints. Problems are: Problem set: 0 solved, 111 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/201 variables, 54/160 constraints. Problems are: Problem set: 0 solved, 111 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/201 variables, 111/271 constraints. Problems are: Problem set: 0 solved, 111 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-05 21:07:14] [INFO ] Deduced a trap along path composed of 4 places in 23 ms of which 1 ms to minimize.
At refinement iteration 10 (INCLUDED_ONLY) 0/201 variables, 1/272 constraints. Problems are: Problem set: 0 solved, 111 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/201 variables, 0/272 constraints. Problems are: Problem set: 0 solved, 111 unsolved
At refinement iteration 12 (OVERLAPS) 0/201 variables, 0/272 constraints. Problems are: Problem set: 0 solved, 111 unsolved
No progress, stopping.
After SMT solving in domain Int declared 201/201 variables, and 272 constraints, problems are : Problem set: 0 solved, 111 unsolved in 30007 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: 12/12 constraints, Known Traps Along Path: 1/1 constraints]
After SMT, in 41465ms problems are : Problem set: 0 solved, 111 unsolved
Search for dead transitions found 0 dead transitions in 41466ms
Starting structural reductions in LTL mode, iteration 1 : 89/142 places, 112/270 transitions.
Finished structural reductions in LTL mode , in 1 iterations and 41854 ms. Remains : 89/142 places, 112/270 transitions.
Stuttering acceptance computed with spot in 139 ms :[(AND p0 (NOT p1)), (AND p0 (NOT p1)), (NOT p1)]
Running random walk in product with property : SieveSingleMsgMbox-PT-d1m06-LTLFireability-13
Product exploration explored 100000 steps with 22414 reset in 123 ms.
Product exploration explored 100000 steps with 22440 reset in 127 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.1 ms
Computed a total of 13 stabilizing places and 18 stable transitions
Knowledge obtained : [(AND (NOT p0) (NOT p1)), (X (NOT p0)), (X (X (NOT p1))), (X (X (NOT p0)))]
False Knowledge obtained : []
Knowledge sufficient to adopt a stutter insensitive property.
Knowledge based reduction with 4 factoid took 97 ms. Reduced automaton from 3 states, 4 edges and 2 AP (stutter sensitive) to 2 states, 3 edges and 2 AP (stutter insensitive).
Stuttering acceptance computed with spot in 64 ms :[(AND p0 (NOT p1)), (NOT p1)]
RANDOM walk for 40000 steps (8964 resets) in 90 ms. (439 steps per ms) remains 2/2 properties
BEST_FIRST walk for 40002 steps (1947 resets) in 28 ms. (1379 steps per ms) remains 2/2 properties
BEST_FIRST walk for 40000 steps (1996 resets) in 30 ms. (1290 steps per ms) remains 2/2 properties
Finished probabilistic random walk after 3841 steps, run visited all 2 properties in 16 ms. (steps per millisecond=240 )
Probabilistic random walk after 3841 steps, saw 1744 distinct states, run finished after 16 ms. (steps per millisecond=240 ) properties seen :2
Knowledge obtained : [(AND (NOT p0) (NOT p1)), (X (NOT p0)), (X (X (NOT p1))), (X (X (NOT p0)))]
False Knowledge obtained : [(F p1), (F p0)]
Knowledge based reduction with 4 factoid took 119 ms. Reduced automaton from 2 states, 3 edges and 2 AP (stutter insensitive) to 2 states, 3 edges and 2 AP (stutter insensitive).
Stuttering acceptance computed with spot in 73 ms :[(AND p0 (NOT p1)), (NOT p1)]
Stuttering acceptance computed with spot in 71 ms :[(AND p0 (NOT p1)), (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 9 ms. Remains 89 /89 variables (removed 0) and now considering 112/112 (removed 0) transitions.
[2025-06-05 21:07:38] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-05 21:07:38] [INFO ] Implicit Places using invariants in 58 ms returned []
[2025-06-05 21:07:38] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-05 21:07:38] [INFO ] State equation strengthened by 54 read => feed constraints.
[2025-06-05 21:07:38] [INFO ] Implicit Places using invariants and state equation in 231 ms returned []
Implicit Place search using SMT with State Equation took 290 ms to find 0 implicit places.
Starting Z3 with timeout 200.0 s and query timeout 20000.0 ms
[2025-06-05 21:07:38] [INFO ] Redundant transitions in 1 ms returned []
Running 111 sub problems to find dead transitions.
[2025-06-05 21:07:38] [INFO ] Invariant cache hit.
[2025-06-05 21:07:38] [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
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-05 21:07:38] [INFO ] Deduced a trap composed of 14 places in 56 ms of which 2 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-05 21:07:39] [INFO ] Deduced a trap composed of 14 places in 40 ms of which 2 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-05 21:07:39] [INFO ] Deduced a trap composed of 13 places in 51 ms of which 2 ms to minimize.
At refinement iteration 2 (INCLUDED_ONLY) 0/88 variables, 3/7 constraints. Problems are: Problem set: 0 solved, 111 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-05 21:07:39] [INFO ] Deduced a trap composed of 15 places in 55 ms of which 3 ms to minimize.
At refinement iteration 3 (INCLUDED_ONLY) 0/88 variables, 1/8 constraints. Problems are: Problem set: 0 solved, 111 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/88 variables, 0/8 constraints. Problems are: Problem set: 0 solved, 111 unsolved
At refinement iteration 5 (OVERLAPS) 1/89 variables, 1/9 constraints. Problems are: Problem set: 0 solved, 111 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-05 21:07:40] [INFO ] Deduced a trap composed of 27 places in 41 ms of which 4 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-05 21:07:40] [INFO ] Deduced a trap composed of 24 places in 44 ms of which 5 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-05 21:07:40] [INFO ] Deduced a trap composed of 27 places in 37 ms of which 5 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-05 21:07:40] [INFO ] Deduced a trap composed of 28 places in 38 ms of which 4 ms to minimize.
At refinement iteration 6 (INCLUDED_ONLY) 0/89 variables, 4/13 constraints. Problems are: Problem set: 0 solved, 111 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-05 21:07:40] [INFO ] Deduced a trap composed of 13 places in 53 ms of which 5 ms to minimize.
At refinement iteration 7 (INCLUDED_ONLY) 0/89 variables, 1/14 constraints. Problems are: Problem set: 0 solved, 111 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/89 variables, 0/14 constraints. Problems are: Problem set: 0 solved, 111 unsolved
At refinement iteration 9 (OVERLAPS) 112/201 variables, 89/103 constraints. Problems are: Problem set: 0 solved, 111 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/201 variables, 54/157 constraints. Problems are: Problem set: 0 solved, 111 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-05 21:07:42] [INFO ] Deduced a trap composed of 27 places in 50 ms of which 6 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-05 21:07:42] [INFO ] Deduced a trap composed of 26 places in 51 ms of which 8 ms to minimize.
At refinement iteration 11 (INCLUDED_ONLY) 0/201 variables, 2/159 constraints. Problems are: Problem set: 0 solved, 111 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-05 21:07:43] [INFO ] Deduced a trap composed of 25 places in 54 ms of which 8 ms to minimize.
At refinement iteration 12 (INCLUDED_ONLY) 0/201 variables, 1/160 constraints. Problems are: Problem set: 0 solved, 111 unsolved
At refinement iteration 13 (INCLUDED_ONLY) 0/201 variables, 0/160 constraints. Problems are: Problem set: 0 solved, 111 unsolved
At refinement iteration 14 (OVERLAPS) 0/201 variables, 0/160 constraints. Problems are: Problem set: 0 solved, 111 unsolved
No progress, stopping.
After SMT solving in domain Real declared 201/201 variables, and 160 constraints, problems are : Problem set: 0 solved, 111 unsolved in 11588 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: 12/12 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, 5/9 constraints. Problems are: Problem set: 0 solved, 111 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/88 variables, 0/9 constraints. Problems are: Problem set: 0 solved, 111 unsolved
At refinement iteration 4 (OVERLAPS) 1/89 variables, 1/10 constraints. Problems are: Problem set: 0 solved, 111 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/89 variables, 7/17 constraints. Problems are: Problem set: 0 solved, 111 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/89 variables, 0/17 constraints. Problems are: Problem set: 0 solved, 111 unsolved
At refinement iteration 7 (OVERLAPS) 112/201 variables, 89/106 constraints. Problems are: Problem set: 0 solved, 111 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/201 variables, 54/160 constraints. Problems are: Problem set: 0 solved, 111 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/201 variables, 111/271 constraints. Problems are: Problem set: 0 solved, 111 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-05 21:07:56] [INFO ] Deduced a trap along path composed of 4 places in 27 ms of which 0 ms to minimize.
At refinement iteration 10 (INCLUDED_ONLY) 0/201 variables, 1/272 constraints. Problems are: Problem set: 0 solved, 111 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/201 variables, 0/272 constraints. Problems are: Problem set: 0 solved, 111 unsolved
At refinement iteration 12 (OVERLAPS) 0/201 variables, 0/272 constraints. Problems are: Problem set: 0 solved, 111 unsolved
No progress, stopping.
After SMT solving in domain Int declared 201/201 variables, and 272 constraints, problems are : Problem set: 0 solved, 111 unsolved in 30013 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: 12/12 constraints, Known Traps Along Path: 1/1 constraints]
After SMT, in 41636ms problems are : Problem set: 0 solved, 111 unsolved
Search for dead transitions found 0 dead transitions in 41636ms
Finished structural reductions in SI_LTL mode , in 1 iterations and 41942 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 (NOT p1)), (X (X (NOT p1)))]
False Knowledge obtained : []
Knowledge based reduction with 3 factoid took 107 ms. Reduced automaton from 2 states, 3 edges and 2 AP (stutter insensitive) to 2 states, 3 edges and 2 AP (stutter insensitive).
Stuttering acceptance computed with spot in 86 ms :[(AND p0 (NOT p1)), (NOT p1)]
RANDOM walk for 40000 steps (8991 resets) in 88 ms. (449 steps per ms) remains 2/2 properties
BEST_FIRST walk for 40003 steps (1918 resets) in 26 ms. (1481 steps per ms) remains 2/2 properties
BEST_FIRST walk for 40003 steps (1904 resets) in 31 ms. (1250 steps per ms) remains 2/2 properties
Finished probabilistic random walk after 3841 steps, run visited all 2 properties in 15 ms. (steps per millisecond=256 )
Probabilistic random walk after 3841 steps, saw 1744 distinct states, run finished after 15 ms. (steps per millisecond=256 ) properties seen :2
Knowledge obtained : [(AND (NOT p0) (NOT p1)), (X (NOT p1)), (X (X (NOT p1)))]
False Knowledge obtained : [(F p1), (F p0)]
Knowledge based reduction with 3 factoid took 138 ms. Reduced automaton from 2 states, 3 edges and 2 AP (stutter insensitive) to 2 states, 3 edges and 2 AP (stutter insensitive).
Stuttering acceptance computed with spot in 82 ms :[(AND p0 (NOT p1)), (NOT p1)]
Stuttering acceptance computed with spot in 93 ms :[(AND p0 (NOT p1)), (NOT p1)]
Stuttering acceptance computed with spot in 82 ms :[(AND p0 (NOT p1)), (NOT p1)]
Product exploration explored 100000 steps with 22429 reset in 129 ms.
Product exploration explored 100000 steps with 22388 reset in 128 ms.
Built C files in :
/tmp/ltsmin5249148945907103366
[2025-06-05 21:08:21] [INFO ] Computing symmetric may disable matrix : 112 transitions.
[2025-06-05 21:08:21] [INFO ] Computation of Complete disable matrix. took 3 ms. Total solver calls (SAT/UNSAT): 0(0/0)
[2025-06-05 21:08:21] [INFO ] Computing symmetric may enable matrix : 112 transitions.
[2025-06-05 21:08:21] [INFO ] Computation of Complete enable matrix. took 3 ms. Total solver calls (SAT/UNSAT): 0(0/0)
[2025-06-05 21:08:21] [INFO ] Computing Do-Not-Accords matrix : 112 transitions.
[2025-06-05 21:08:21] [INFO ] Computation of Completed DNA matrix. took 2 ms. Total solver calls (SAT/UNSAT): 0(0/0)
[2025-06-05 21:08:21] [INFO ] Built C files in 21ms conformant to PINS (ltsmin variant)in folder :/tmp/ltsmin5249148945907103366
Running compilation step : cd /tmp/ltsmin5249148945907103366;'/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 249 ms.
Running link step : cd /tmp/ltsmin5249148945907103366;'gcc' '-shared' '-o' 'gal.so' 'model.o'
Link finished in 36 ms.
Running LTSmin : cd /tmp/ltsmin5249148945907103366;'/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/stateBased1232033105489953816.hoa' '--buchi-type=spotba'
LTSmin run took 186 ms.
FORMULA SieveSingleMsgMbox-PT-d1m06-LTLFireability-13 FALSE TECHNIQUES PARTIAL_ORDER EXPLICIT LTSMIN SAT_SMT
Treatment of property SieveSingleMsgMbox-PT-d1m06-LTLFireability-13 finished in 86151 ms.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202505121319/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!(F(G(p0)))'
Support contains 2 out of 142 places. Attempting structural reductions.
Starting structural reductions in SI_LTL mode, iteration 0 : 142/142 places, 270/270 transitions.
Discarding 21 places :
Symmetric choice reduction at 0 with 21 rule applications. Total rules 21 place count 121 transition count 157
Iterating global reduction 0 with 21 rules applied. Total rules applied 42 place count 121 transition count 157
Ensure Unique test removed 3 transitions
Reduce isomorphic transitions removed 3 transitions.
Iterating post reduction 0 with 3 rules applied. Total rules applied 45 place count 121 transition count 154
Discarding 16 places :
Symmetric choice reduction at 1 with 16 rule applications. Total rules 61 place count 105 transition count 137
Iterating global reduction 1 with 16 rules applied. Total rules applied 77 place count 105 transition count 137
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 105 transition count 130
Discarding 10 places :
Symmetric choice reduction at 2 with 10 rule applications. Total rules 94 place count 95 transition count 119
Iterating global reduction 2 with 10 rules applied. Total rules applied 104 place count 95 transition count 119
Ensure Unique test removed 7 transitions
Reduce isomorphic transitions removed 7 transitions.
Iterating post reduction 2 with 7 rules applied. Total rules applied 111 place count 95 transition count 112
Discarding 3 places :
Symmetric choice reduction at 3 with 3 rule applications. Total rules 114 place count 92 transition count 109
Iterating global reduction 3 with 3 rules applied. Total rules applied 117 place count 92 transition count 109
Discarding 3 places :
Symmetric choice reduction at 3 with 3 rule applications. Total rules 120 place count 89 transition count 106
Iterating global reduction 3 with 3 rules applied. Total rules applied 123 place count 89 transition count 106
Discarding 2 places :
Symmetric choice reduction at 3 with 2 rule applications. Total rules 125 place count 87 transition count 103
Iterating global reduction 3 with 2 rules applied. Total rules applied 127 place count 87 transition count 103
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 87 transition count 101
Discarding 2 places :
Symmetric choice reduction at 4 with 2 rule applications. Total rules 131 place count 85 transition count 99
Iterating global reduction 4 with 2 rules applied. Total rules applied 133 place count 85 transition count 99
Discarding 1 places :
Symmetric choice reduction at 4 with 1 rule applications. Total rules 134 place count 84 transition count 98
Iterating global reduction 4 with 1 rules applied. Total rules applied 135 place count 84 transition count 98
Applied a total of 135 rules in 19 ms. Remains 84 /142 variables (removed 58) and now considering 98/270 (removed 172) transitions.
// Phase 1: matrix 98 rows 84 cols
[2025-06-05 21:08:21] [INFO ] Computed 5 invariants in 3 ms
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-05 21:08:21] [INFO ] Implicit Places using invariants in 58 ms returned []
[2025-06-05 21:08:21] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-05 21:08:21] [INFO ] State equation strengthened by 44 read => feed constraints.
[2025-06-05 21:08:21] [INFO ] Implicit Places using invariants and state equation in 174 ms returned []
Implicit Place search using SMT with State Equation took 234 ms to find 0 implicit places.
Starting Z3 with timeout 200.0 s and query timeout 20000.0 ms
[2025-06-05 21:08:21] [INFO ] Redundant transitions in 1 ms returned []
Running 97 sub problems to find dead transitions.
[2025-06-05 21:08:21] [INFO ] Invariant cache hit.
[2025-06-05 21:08:21] [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
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-05 21:08:22] [INFO ] Deduced a trap composed of 14 places in 56 ms of which 3 ms to minimize.
At refinement iteration 2 (INCLUDED_ONLY) 0/83 variables, 1/5 constraints. Problems are: Problem set: 0 solved, 97 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/83 variables, 0/5 constraints. Problems are: Problem set: 0 solved, 97 unsolved
At refinement iteration 4 (OVERLAPS) 1/84 variables, 1/6 constraints. Problems are: Problem set: 0 solved, 97 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-05 21:08:22] [INFO ] Deduced a trap composed of 12 places in 51 ms of which 5 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-05 21:08:22] [INFO ] Deduced a trap composed of 25 places in 38 ms of which 2 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-05 21:08:23] [INFO ] Deduced a trap composed of 24 places in 38 ms of which 5 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-05 21:08:23] [INFO ] Deduced a trap composed of 25 places in 37 ms of which 4 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-05 21:08:23] [INFO ] Deduced a trap composed of 25 places in 42 ms of which 3 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-05 21:08:23] [INFO ] Deduced a trap composed of 26 places in 36 ms of which 4 ms to minimize.
At refinement iteration 5 (INCLUDED_ONLY) 0/84 variables, 6/12 constraints. Problems are: Problem set: 0 solved, 97 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/84 variables, 0/12 constraints. Problems are: Problem set: 0 solved, 97 unsolved
At refinement iteration 7 (OVERLAPS) 98/182 variables, 84/96 constraints. Problems are: Problem set: 0 solved, 97 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/182 variables, 44/140 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 3897 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, 2/6 constraints. Problems are: Problem set: 0 solved, 97 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/83 variables, 0/6 constraints. Problems are: Problem set: 0 solved, 97 unsolved
At refinement iteration 4 (OVERLAPS) 1/84 variables, 1/7 constraints. Problems are: Problem set: 0 solved, 97 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/84 variables, 5/12 constraints. Problems are: Problem set: 0 solved, 97 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/84 variables, 0/12 constraints. Problems are: Problem set: 0 solved, 97 unsolved
At refinement iteration 7 (OVERLAPS) 98/182 variables, 84/96 constraints. Problems are: Problem set: 0 solved, 97 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/182 variables, 44/140 constraints. Problems are: Problem set: 0 solved, 97 unsolved
At refinement iteration 9 (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
[2025-06-05 21:08:31] [INFO ] Deduced a trap along path composed of 4 places in 28 ms of which 0 ms to minimize.
At refinement iteration 10 (INCLUDED_ONLY) 0/182 variables, 1/238 constraints. Problems are: Problem set: 0 solved, 97 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/182 variables, 0/238 constraints. Problems are: Problem set: 0 solved, 97 unsolved
At refinement iteration 12 (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 23406 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 27329ms problems are : Problem set: 0 solved, 97 unsolved
Search for dead transitions found 0 dead transitions in 27330ms
Starting structural reductions in SI_LTL mode, iteration 1 : 84/142 places, 98/270 transitions.
Finished structural reductions in SI_LTL mode , in 1 iterations and 27589 ms. Remains : 84/142 places, 98/270 transitions.
Stuttering acceptance computed with spot in 39 ms :[(NOT p0)]
Running random walk in product with property : SieveSingleMsgMbox-PT-d1m06-LTLFireability-15
Stuttering criterion allowed to conclude after 3 steps with 0 reset in 0 ms.
FORMULA SieveSingleMsgMbox-PT-d1m06-LTLFireability-15 FALSE TECHNIQUES STUTTER_TEST
Treatment of property SieveSingleMsgMbox-PT-d1m06-LTLFireability-15 finished in 27643 ms.
All properties solved by simple procedures.
Total runtime 672123 ms.

BK_STOP 1749157729221

--------------------
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-d1m06"
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-d1m06, 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-174901994300412"
echo "====================================================================="
echo
echo "--------------------"
echo "preparation of the directory to be used:"

tar xzf /home/mcc/BenchKit/INPUTS/SieveSingleMsgMbox-PT-d1m06.tgz
mv SieveSingleMsgMbox-PT-d1m06 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 ;