Execution Chart

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Trace from the execution

Formatting '/data/fkordon/mcc2025-input.r212-tall-174901994300436.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-d1m64, examination is LTLFireability
Time confinement is 3600 seconds
Memory confinement is 16384 MBytes
Number of cores is 4
Run identifier is r212-tall-174901994300436
=====================================================================

--------------------
preparation of the directory to be used:
/home/mcc/execution
total 976K
-rw-r--r-- 1 mcc users 7.3K May 29 14:47 CTLCardinality.txt
-rw-r--r-- 1 mcc users 80K May 29 14:47 CTLCardinality.xml
-rw-r--r-- 1 mcc users 5.7K May 29 14:47 CTLFireability.txt
-rw-r--r-- 1 mcc users 52K May 29 14:47 CTLFireability.xml
-rw-r--r-- 1 mcc users 3.6K May 29 14:47 LTLCardinality.txt
-rw-r--r-- 1 mcc users 25K May 29 14:47 LTLCardinality.xml
-rw-r--r-- 1 mcc users 2.4K May 29 14:47 LTLFireability.txt
-rw-r--r-- 1 mcc users 19K May 29 14:47 LTLFireability.xml
-rw-r--r-- 1 mcc users 18K May 29 14:47 ReachabilityCardinality.txt
-rw-r--r-- 1 mcc users 196K May 29 14:47 ReachabilityCardinality.xml
-rw-r--r-- 1 mcc users 8.2K May 29 14:47 ReachabilityFireability.txt
-rw-r--r-- 1 mcc users 70K May 29 14:47 ReachabilityFireability.xml
-rw-r--r-- 1 mcc users 1.8K May 29 14:47 UpperBounds.txt
-rw-r--r-- 1 mcc users 4.0K May 29 14:47 UpperBounds.xml
-rw-r--r-- 1 mcc users 6 May 29 14:33 equiv_col
-rw-r--r-- 1 mcc users 6 May 29 14:33 instance
-rw-r--r-- 1 mcc users 6 May 29 14:33 iscolored
-rw-r--r-- 1 mcc users 450K May 29 14:33 model.pnml

--------------------
content from stdout:

=== Data for post analysis generated by BenchKit (invocation template)

The expected result is a vector of booleans
BOOL_VECTOR

echo here is the order used to build the result vector(from xml file)
FORMULA_NAME SieveSingleMsgMbox-PT-d1m64-LTLFireability-00
FORMULA_NAME SieveSingleMsgMbox-PT-d1m64-LTLFireability-01
FORMULA_NAME SieveSingleMsgMbox-PT-d1m64-LTLFireability-02
FORMULA_NAME SieveSingleMsgMbox-PT-d1m64-LTLFireability-03
FORMULA_NAME SieveSingleMsgMbox-PT-d1m64-LTLFireability-04
FORMULA_NAME SieveSingleMsgMbox-PT-d1m64-LTLFireability-05
FORMULA_NAME SieveSingleMsgMbox-PT-d1m64-LTLFireability-06
FORMULA_NAME SieveSingleMsgMbox-PT-d1m64-LTLFireability-07
FORMULA_NAME SieveSingleMsgMbox-PT-d1m64-LTLFireability-08
FORMULA_NAME SieveSingleMsgMbox-PT-d1m64-LTLFireability-09
FORMULA_NAME SieveSingleMsgMbox-PT-d1m64-LTLFireability-10
FORMULA_NAME SieveSingleMsgMbox-PT-d1m64-LTLFireability-11
FORMULA_NAME SieveSingleMsgMbox-PT-d1m64-LTLFireability-12
FORMULA_NAME SieveSingleMsgMbox-PT-d1m64-LTLFireability-13
FORMULA_NAME SieveSingleMsgMbox-PT-d1m64-LTLFireability-14
FORMULA_NAME SieveSingleMsgMbox-PT-d1m64-LTLFireability-15

=== Now, execution of the tool begins

BK_START 1749169164597

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-d1m64
BK_MEMORY_CONFINEMENT=16384
Not applying reductions.
Model is PT
LTLFireability PT
Running Version 202505121319
[2025-06-06 00:19:25] [INFO ] Running its-tools with arguments : [-pnfolder, /home/mcc/execution, -examination, LTLFireability, -its, -ltsmin, -greatspnpath, /home/mcc/BenchKit/bin//../itstools/bin//..//greatspn/, -order, META, -manyOrder, -smt, -timeout, 3600]
[2025-06-06 00:19:25] [INFO ] Parsing pnml file : /home/mcc/execution/model.pnml
[2025-06-06 00:19:25] [INFO ] Load time of PNML (sax parser for PT used): 112 ms
[2025-06-06 00:19:25] [INFO ] Transformed 1295 places.
[2025-06-06 00:19:25] [INFO ] Transformed 749 transitions.
[2025-06-06 00:19:26] [INFO ] Parsed PT model containing 1295 places and 749 transitions and 2996 arcs in 201 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 10 ms
Reduce places removed 1036 places and 0 transitions.
FORMULA SieveSingleMsgMbox-PT-d1m64-LTLFireability-08 TRUE TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA SieveSingleMsgMbox-PT-d1m64-LTLFireability-10 FALSE TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA SieveSingleMsgMbox-PT-d1m64-LTLFireability-11 FALSE TECHNIQUES TOPOLOGICAL INITIAL_STATE
Support contains 28 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 44 places :
Symmetric choice reduction at 1 with 44 rule applications. Total rules 301 place count 198 transition count 395
Iterating global reduction 1 with 44 rules applied. Total rules applied 345 place count 198 transition count 395
Ensure Unique test removed 6 transitions
Reduce isomorphic transitions removed 6 transitions.
Iterating post reduction 1 with 6 rules applied. Total rules applied 351 place count 198 transition count 389
Discarding 28 places :
Symmetric choice reduction at 2 with 28 rule applications. Total rules 379 place count 170 transition count 361
Iterating global reduction 2 with 28 rules applied. Total rules applied 407 place count 170 transition count 361
Ensure Unique test removed 17 transitions
Reduce isomorphic transitions removed 17 transitions.
Iterating post reduction 2 with 17 rules applied. Total rules applied 424 place count 170 transition count 344
Discarding 14 places :
Symmetric choice reduction at 3 with 14 rule applications. Total rules 438 place count 156 transition count 329
Iterating global reduction 3 with 14 rules applied. Total rules applied 452 place count 156 transition count 329
Ensure Unique test removed 51 transitions
Reduce isomorphic transitions removed 51 transitions.
Iterating post reduction 3 with 51 rules applied. Total rules applied 503 place count 156 transition count 278
Discarding 4 places :
Symmetric choice reduction at 4 with 4 rule applications. Total rules 507 place count 152 transition count 271
Iterating global reduction 4 with 4 rules applied. Total rules applied 511 place count 152 transition count 271
Discarding 4 places :
Symmetric choice reduction at 4 with 4 rule applications. Total rules 515 place count 148 transition count 267
Iterating global reduction 4 with 4 rules applied. Total rules applied 519 place count 148 transition count 267
Discarding 2 places :
Symmetric choice reduction at 4 with 2 rule applications. Total rules 521 place count 146 transition count 265
Iterating global reduction 4 with 2 rules applied. Total rules applied 523 place count 146 transition count 265
Discarding 1 places :
Symmetric choice reduction at 4 with 1 rule applications. Total rules 524 place count 145 transition count 264
Iterating global reduction 4 with 1 rules applied. Total rules applied 525 place count 145 transition count 264
Discarding 1 places :
Symmetric choice reduction at 4 with 1 rule applications. Total rules 526 place count 144 transition count 263
Iterating global reduction 4 with 1 rules applied. Total rules applied 527 place count 144 transition count 263
Applied a total of 527 rules in 84 ms. Remains 144 /259 variables (removed 115) and now considering 263/749 (removed 486) transitions.
// Phase 1: matrix 263 rows 144 cols
[2025-06-06 00:19:26] [INFO ] Computed 5 invariants in 19 ms
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-06 00:19:26] [INFO ] Implicit Places using invariants in 293 ms returned []
[2025-06-06 00:19:26] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-06 00:19:26] [INFO ] State equation strengthened by 164 read => feed constraints.
[2025-06-06 00:19:28] [INFO ] Implicit Places using invariants and state equation in 2177 ms returned []
Implicit Place search using SMT with State Equation took 2505 ms to find 0 implicit places.
Running 262 sub problems to find dead transitions.
[2025-06-06 00:19:28] [INFO ] Invariant cache hit.
[2025-06-06 00:19:28] [INFO ] State equation strengthened by 164 read => feed constraints.
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/143 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 262 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/143 variables, 3/4 constraints. Problems are: Problem set: 0 solved, 262 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/143 variables, 0/4 constraints. Problems are: Problem set: 0 solved, 262 unsolved
At refinement iteration 3 (OVERLAPS) 1/144 variables, 1/5 constraints. Problems are: Problem set: 0 solved, 262 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-06 00:19:32] [INFO ] Deduced a trap composed of 46 places in 98 ms of which 12 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-06 00:19:32] [INFO ] Deduced a trap composed of 46 places in 57 ms of which 5 ms to minimize.
At refinement iteration 4 (INCLUDED_ONLY) 0/144 variables, 2/7 constraints. Problems are: Problem set: 0 solved, 262 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/144 variables, 0/7 constraints. Problems are: Problem set: 0 solved, 262 unsolved
At refinement iteration 6 (OVERLAPS) 263/407 variables, 144/151 constraints. Problems are: Problem set: 0 solved, 262 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/407 variables, 164/315 constraints. Problems are: Problem set: 0 solved, 262 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-06 00:19:51] [INFO ] Deduced a trap composed of 23 places in 54 ms of which 4 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-06 00:19:51] [INFO ] Deduced a trap composed of 44 places in 30 ms of which 2 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-06 00:19:54] [INFO ] Deduced a trap composed of 43 places in 77 ms of which 9 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-06 00:19:54] [INFO ] Deduced a trap composed of 44 places in 75 ms of which 11 ms to minimize.
Problem TDEAD239 is UNSAT
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-06 00:19:54] [INFO ] Deduced a trap composed of 43 places in 91 ms of which 17 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-06 00:19:55] [INFO ] Deduced a trap composed of 44 places in 74 ms of which 11 ms to minimize.
Problem TDEAD54 is UNSAT
Problem TDEAD57 is UNSAT
At refinement iteration 8 (INCLUDED_ONLY) 0/407 variables, 6/321 constraints. Problems are: Problem set: 3 solved, 259 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Real declared 407/407 variables, and 321 constraints, problems are : Problem set: 3 solved, 259 unsolved in 30030 ms.
Refiners :[Positive P Invariants (semi-flows): 2/2 constraints, Generalized P Invariants (flows): 3/3 constraints, State Equation: 144/144 constraints, ReadFeed: 164/164 constraints, PredecessorRefiner: 262/262 constraints, Known Traps: 8/8 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 3 solved, 259 unsolved
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/140 variables, 1/1 constraints. Problems are: Problem set: 3 solved, 259 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/140 variables, 0/1 constraints. Problems are: Problem set: 3 solved, 259 unsolved
At refinement iteration 2 (OVERLAPS) 4/144 variables, 1/2 constraints. Problems are: Problem set: 3 solved, 259 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/144 variables, 3/5 constraints. Problems are: Problem set: 3 solved, 259 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/144 variables, 8/13 constraints. Problems are: Problem set: 3 solved, 259 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/144 variables, 0/13 constraints. Problems are: Problem set: 3 solved, 259 unsolved
At refinement iteration 6 (OVERLAPS) 263/407 variables, 144/157 constraints. Problems are: Problem set: 3 solved, 259 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/407 variables, 164/321 constraints. Problems are: Problem set: 3 solved, 259 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/407 variables, 259/580 constraints. Problems are: Problem set: 3 solved, 259 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-06 00:20:21] [INFO ] Deduced a trap along path composed of 4 places in 52 ms of which 11 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-06 00:20:21] [INFO ] Deduced a trap along path composed of 23 places in 36 ms of which 0 ms to minimize.
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 407/407 variables, and 582 constraints, problems are : Problem set: 3 solved, 259 unsolved in 30010 ms.
Refiners :[Positive P Invariants (semi-flows): 2/2 constraints, Generalized P Invariants (flows): 3/3 constraints, State Equation: 144/144 constraints, ReadFeed: 164/164 constraints, PredecessorRefiner: 259/262 constraints, Known Traps: 8/8 constraints, Known Traps Along Path: 2/2 constraints]
After SMT, in 60333ms problems are : Problem set: 3 solved, 259 unsolved
Search for dead transitions found 3 dead transitions in 60346ms
Found 3 dead transitions using SMT.
Drop transitions (Dead Transitions using SMT only with invariants) removed 3 transitions
Dead transitions reduction (with SMT) removed 3 transitions
Starting structural reductions in LTL mode, iteration 1 : 144/259 places, 260/749 transitions.
Reduce places removed 3 places and 0 transitions.
Iterating post reduction 0 with 3 rules applied. Total rules applied 3 place count 141 transition count 260
Applied a total of 3 rules in 3 ms. Remains 141 /144 variables (removed 3) and now considering 260/260 (removed 0) transitions.
// Phase 1: matrix 260 rows 141 cols
[2025-06-06 00:20:29] [INFO ] Computed 4 invariants in 6 ms
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-06 00:20:29] [INFO ] Implicit Places using invariants in 133 ms returned []
[2025-06-06 00:20:29] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-06 00:20:29] [INFO ] State equation strengthened by 163 read => feed constraints.
[2025-06-06 00:20:30] [INFO ] Implicit Places using invariants and state equation in 1057 ms returned []
Implicit Place search using SMT with State Equation took 1195 ms to find 0 implicit places.
Starting structural reductions in LTL mode, iteration 2 : 141/259 places, 260/749 transitions.
Finished structural reductions in LTL mode , in 2 iterations and 64160 ms. Remains : 141/259 places, 260/749 transitions.
Support contains 28 out of 141 places after structural reductions.
[2025-06-06 00:20:30] [INFO ] Flatten gal took : 37 ms
[2025-06-06 00:20:30] [INFO ] Flatten gal took : 18 ms
[2025-06-06 00:20:30] [INFO ] Input system was already deterministic with 260 transitions.
Reduction of identical properties reduced properties to check from 28 to 25
RANDOM walk for 40000 steps (8994 resets) in 2742 ms. (14 steps per ms) remains 24/25 properties
BEST_FIRST walk for 4002 steps (192 resets) in 32 ms. (121 steps per ms) remains 24/24 properties
BEST_FIRST walk for 4004 steps (213 resets) in 23 ms. (166 steps per ms) remains 24/24 properties
BEST_FIRST walk for 4004 steps (411 resets) in 24 ms. (160 steps per ms) remains 24/24 properties
BEST_FIRST walk for 4003 steps (208 resets) in 44 ms. (88 steps per ms) remains 24/24 properties
BEST_FIRST walk for 4002 steps (413 resets) in 34 ms. (114 steps per ms) remains 24/24 properties
BEST_FIRST walk for 4003 steps (194 resets) in 30 ms. (129 steps per ms) remains 24/24 properties
BEST_FIRST walk for 4003 steps (188 resets) in 31 ms. (125 steps per ms) remains 24/24 properties
BEST_FIRST walk for 4003 steps (193 resets) in 23 ms. (166 steps per ms) remains 24/24 properties
BEST_FIRST walk for 4003 steps (196 resets) in 20 ms. (190 steps per ms) remains 24/24 properties
BEST_FIRST walk for 4002 steps (418 resets) in 21 ms. (181 steps per ms) remains 24/24 properties
BEST_FIRST walk for 4002 steps (173 resets) in 19 ms. (200 steps per ms) remains 24/24 properties
BEST_FIRST walk for 4001 steps (192 resets) in 14 ms. (266 steps per ms) remains 24/24 properties
BEST_FIRST walk for 4003 steps (175 resets) in 17 ms. (222 steps per ms) remains 24/24 properties
BEST_FIRST walk for 4001 steps (176 resets) in 13 ms. (285 steps per ms) remains 24/24 properties
BEST_FIRST walk for 4004 steps (178 resets) in 18 ms. (210 steps per ms) remains 24/24 properties
BEST_FIRST walk for 4004 steps (186 resets) in 19 ms. (200 steps per ms) remains 24/24 properties
BEST_FIRST walk for 4003 steps (429 resets) in 20 ms. (190 steps per ms) remains 24/24 properties
BEST_FIRST walk for 4003 steps (183 resets) in 26 ms. (148 steps per ms) remains 24/24 properties
BEST_FIRST walk for 4001 steps (176 resets) in 14 ms. (266 steps per ms) remains 24/24 properties
BEST_FIRST walk for 4002 steps (191 resets) in 13 ms. (285 steps per ms) remains 24/24 properties
BEST_FIRST walk for 4003 steps (168 resets) in 22 ms. (174 steps per ms) remains 24/24 properties
BEST_FIRST walk for 4003 steps (187 resets) in 13 ms. (285 steps per ms) remains 24/24 properties
BEST_FIRST walk for 4003 steps (185 resets) in 19 ms. (200 steps per ms) remains 24/24 properties
BEST_FIRST walk for 4003 steps (184 resets) in 18 ms. (210 steps per ms) remains 24/24 properties
Interrupted probabilistic random walk after 315817 steps, run timeout after 3001 ms. (steps per millisecond=105 ) properties seen :14 out of 24
Probabilistic random walk after 315817 steps, saw 144604 distinct states, run finished after 3011 ms. (steps per millisecond=104 ) properties seen :14
[2025-06-06 00:20:34] [INFO ] Invariant cache hit.
[2025-06-06 00:20:34] [INFO ] State equation strengthened by 163 read => feed constraints.
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
All remaining problems are real, not stopping.
At refinement iteration 0 (INCLUDED_ONLY) 0/13 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 10 unsolved
At refinement iteration 1 (OVERLAPS) 70/83 variables, 2/2 constraints. Problems are: Problem set: 0 solved, 10 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/83 variables, 0/2 constraints. Problems are: Problem set: 0 solved, 10 unsolved
At refinement iteration 3 (OVERLAPS) 31/114 variables, 2/4 constraints. Problems are: Problem set: 0 solved, 10 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-06 00:20:34] [INFO ] Deduced a trap composed of 26 places in 36 ms of which 2 ms to minimize.
At refinement iteration 4 (INCLUDED_ONLY) 0/114 variables, 1/5 constraints. Problems are: Problem set: 0 solved, 10 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/114 variables, 0/5 constraints. Problems are: Problem set: 0 solved, 10 unsolved
At refinement iteration 6 (OVERLAPS) 209/323 variables, 114/119 constraints. Problems are: Problem set: 0 solved, 10 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/323 variables, 112/231 constraints. Problems are: Problem set: 0 solved, 10 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/323 variables, 0/231 constraints. Problems are: Problem set: 0 solved, 10 unsolved
Problem AtomicPropp18 is UNSAT
Problem AtomicPropp27 is UNSAT
At refinement iteration 9 (OVERLAPS) 78/401 variables, 27/258 constraints. Problems are: Problem set: 2 solved, 8 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/401 variables, 51/309 constraints. Problems are: Problem set: 2 solved, 8 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/401 variables, 0/309 constraints. Problems are: Problem set: 2 solved, 8 unsolved
At refinement iteration 12 (OVERLAPS) 0/401 variables, 0/309 constraints. Problems are: Problem set: 2 solved, 8 unsolved
No progress, stopping.
After SMT solving in domain Real declared 401/401 variables, and 309 constraints, problems are : Problem set: 2 solved, 8 unsolved in 1059 ms.
Refiners :[Positive P Invariants (semi-flows): 2/2 constraints, Generalized P Invariants (flows): 2/2 constraints, State Equation: 141/141 constraints, ReadFeed: 163/163 constraints, PredecessorRefiner: 10/10 constraints, Known Traps: 1/1 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 2 solved, 8 unsolved
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/11 variables, 0/0 constraints. Problems are: Problem set: 2 solved, 8 unsolved
At refinement iteration 1 (OVERLAPS) 71/82 variables, 2/2 constraints. Problems are: Problem set: 2 solved, 8 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/82 variables, 0/2 constraints. Problems are: Problem set: 2 solved, 8 unsolved
At refinement iteration 3 (OVERLAPS) 31/113 variables, 2/4 constraints. Problems are: Problem set: 2 solved, 8 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/113 variables, 1/5 constraints. Problems are: Problem set: 2 solved, 8 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/113 variables, 0/5 constraints. Problems are: Problem set: 2 solved, 8 unsolved
At refinement iteration 6 (OVERLAPS) 200/313 variables, 113/118 constraints. Problems are: Problem set: 2 solved, 8 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/313 variables, 103/221 constraints. Problems are: Problem set: 2 solved, 8 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/313 variables, 0/221 constraints. Problems are: Problem set: 2 solved, 8 unsolved
At refinement iteration 9 (OVERLAPS) 88/401 variables, 28/249 constraints. Problems are: Problem set: 2 solved, 8 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/401 variables, 60/309 constraints. Problems are: Problem set: 2 solved, 8 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/401 variables, 8/317 constraints. Problems are: Problem set: 2 solved, 8 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-06 00:20:36] [INFO ] Deduced a trap composed of 44 places in 59 ms of which 7 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-06 00:20:36] [INFO ] Deduced a trap composed of 58 places in 50 ms of which 4 ms to minimize.
At refinement iteration 12 (INCLUDED_ONLY) 0/401 variables, 2/319 constraints. Problems are: Problem set: 2 solved, 8 unsolved
At refinement iteration 13 (INCLUDED_ONLY) 0/401 variables, 0/319 constraints. Problems are: Problem set: 2 solved, 8 unsolved
At refinement iteration 14 (OVERLAPS) 0/401 variables, 0/319 constraints. Problems are: Problem set: 2 solved, 8 unsolved
No progress, stopping.
After SMT solving in domain Int declared 401/401 variables, and 319 constraints, problems are : Problem set: 2 solved, 8 unsolved in 3789 ms.
Refiners :[Positive P Invariants (semi-flows): 2/2 constraints, Generalized P Invariants (flows): 2/2 constraints, State Equation: 141/141 constraints, ReadFeed: 163/163 constraints, PredecessorRefiner: 8/10 constraints, Known Traps: 3/3 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 4870ms problems are : Problem set: 2 solved, 8 unsolved
Parikh walk visited 0 properties in 30271 ms.
Support contains 11 out of 141 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 141/141 places, 260/260 transitions.
Graph (complete) has 478 edges and 141 vertex of which 140 are kept as prefixes of interest. Removing 1 places using SCC suffix rule.1 ms
Discarding 1 places :
Also discarding 0 output transitions
Drop transitions (Empty/Sink Transition effects.) removed 2 transitions
Reduce isomorphic transitions removed 2 transitions.
Iterating post reduction 0 with 2 rules applied. Total rules applied 3 place count 140 transition count 258
Discarding 9 places :
Symmetric choice reduction at 1 with 9 rule applications. Total rules 12 place count 131 transition count 207
Iterating global reduction 1 with 9 rules applied. Total rules applied 21 place count 131 transition count 207
Ensure Unique test removed 1 transitions
Reduce isomorphic transitions removed 1 transitions.
Iterating post reduction 1 with 1 rules applied. Total rules applied 22 place count 131 transition count 206
Discarding 8 places :
Symmetric choice reduction at 2 with 8 rule applications. Total rules 30 place count 123 transition count 197
Iterating global reduction 2 with 8 rules applied. Total rules applied 38 place count 123 transition count 197
Ensure Unique test removed 3 transitions
Reduce isomorphic transitions removed 3 transitions.
Iterating post reduction 2 with 3 rules applied. Total rules applied 41 place count 123 transition count 194
Discarding 3 places :
Symmetric choice reduction at 3 with 3 rule applications. Total rules 44 place count 120 transition count 191
Iterating global reduction 3 with 3 rules applied. Total rules applied 47 place count 120 transition count 191
Ensure Unique test removed 2 transitions
Reduce isomorphic transitions removed 2 transitions.
Iterating post reduction 3 with 2 rules applied. Total rules applied 49 place count 120 transition count 189
Applied a total of 49 rules in 31 ms. Remains 120 /141 variables (removed 21) and now considering 189/260 (removed 71) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 31 ms. Remains : 120/141 places, 189/260 transitions.
RANDOM walk for 40000 steps (8974 resets) in 234 ms. (170 steps per ms) remains 8/8 properties
BEST_FIRST walk for 40004 steps (1904 resets) in 85 ms. (465 steps per ms) remains 8/8 properties
BEST_FIRST walk for 40003 steps (1862 resets) in 119 ms. (333 steps per ms) remains 8/8 properties
BEST_FIRST walk for 40002 steps (1889 resets) in 88 ms. (449 steps per ms) remains 8/8 properties
BEST_FIRST walk for 40001 steps (1958 resets) in 100 ms. (396 steps per ms) remains 8/8 properties
BEST_FIRST walk for 40004 steps (1899 resets) in 138 ms. (287 steps per ms) remains 8/8 properties
BEST_FIRST walk for 40003 steps (1914 resets) in 99 ms. (400 steps per ms) remains 8/8 properties
BEST_FIRST walk for 40004 steps (1919 resets) in 80 ms. (493 steps per ms) remains 8/8 properties
BEST_FIRST walk for 40003 steps (1894 resets) in 102 ms. (388 steps per ms) remains 8/8 properties
Interrupted probabilistic random walk after 347496 steps, run timeout after 3001 ms. (steps per millisecond=115 ) properties seen :0 out of 8
Probabilistic random walk after 347496 steps, saw 151059 distinct states, run finished after 3001 ms. (steps per millisecond=115 ) properties seen :0
// Phase 1: matrix 189 rows 120 cols
[2025-06-06 00:21:13] [INFO ] Computed 3 invariants in 2 ms
[2025-06-06 00:21:13] [INFO ] State equation strengthened by 107 read => feed constraints.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/11 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 8 unsolved
At refinement iteration 1 (OVERLAPS) 63/74 variables, 2/2 constraints. Problems are: Problem set: 0 solved, 8 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/74 variables, 0/2 constraints. Problems are: Problem set: 0 solved, 8 unsolved
At refinement iteration 3 (OVERLAPS) 3/77 variables, 1/3 constraints. Problems are: Problem set: 0 solved, 8 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-06 00:21:13] [INFO ] Deduced a trap composed of 39 places in 36 ms of which 3 ms to minimize.
At refinement iteration 4 (INCLUDED_ONLY) 0/77 variables, 1/4 constraints. Problems are: Problem set: 0 solved, 8 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/77 variables, 0/4 constraints. Problems are: Problem set: 0 solved, 8 unsolved
At refinement iteration 6 (OVERLAPS) 174/251 variables, 77/81 constraints. Problems are: Problem set: 0 solved, 8 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/251 variables, 92/173 constraints. Problems are: Problem set: 0 solved, 8 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/251 variables, 0/173 constraints. Problems are: Problem set: 0 solved, 8 unsolved
All remaining problems are real, not stopping.
At refinement iteration 9 (OVERLAPS) 58/309 variables, 43/216 constraints. Problems are: Problem set: 0 solved, 8 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/309 variables, 15/231 constraints. Problems are: Problem set: 0 solved, 8 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/309 variables, 0/231 constraints. Problems are: Problem set: 0 solved, 8 unsolved
At refinement iteration 12 (OVERLAPS) 0/309 variables, 0/231 constraints. Problems are: Problem set: 0 solved, 8 unsolved
No progress, stopping.
After SMT solving in domain Real declared 309/309 variables, and 231 constraints, problems are : Problem set: 0 solved, 8 unsolved in 683 ms.
Refiners :[Positive P Invariants (semi-flows): 2/2 constraints, Generalized P Invariants (flows): 1/1 constraints, State Equation: 120/120 constraints, ReadFeed: 107/107 constraints, PredecessorRefiner: 8/8 constraints, Known Traps: 1/1 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 8 unsolved
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/11 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 8 unsolved
At refinement iteration 1 (OVERLAPS) 63/74 variables, 2/2 constraints. Problems are: Problem set: 0 solved, 8 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/74 variables, 0/2 constraints. Problems are: Problem set: 0 solved, 8 unsolved
At refinement iteration 3 (OVERLAPS) 3/77 variables, 1/3 constraints. Problems are: Problem set: 0 solved, 8 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/77 variables, 1/4 constraints. Problems are: Problem set: 0 solved, 8 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/77 variables, 0/4 constraints. Problems are: Problem set: 0 solved, 8 unsolved
At refinement iteration 6 (OVERLAPS) 174/251 variables, 77/81 constraints. Problems are: Problem set: 0 solved, 8 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/251 variables, 92/173 constraints. Problems are: Problem set: 0 solved, 8 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/251 variables, 0/173 constraints. Problems are: Problem set: 0 solved, 8 unsolved
At refinement iteration 9 (OVERLAPS) 58/309 variables, 43/216 constraints. Problems are: Problem set: 0 solved, 8 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/309 variables, 15/231 constraints. Problems are: Problem set: 0 solved, 8 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/309 variables, 8/239 constraints. Problems are: Problem set: 0 solved, 8 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-06 00:21:14] [INFO ] Deduced a trap composed of 20 places in 39 ms of which 3 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-06 00:21:14] [INFO ] Deduced a trap composed of 40 places in 36 ms of which 2 ms to minimize.
At refinement iteration 12 (INCLUDED_ONLY) 0/309 variables, 2/241 constraints. Problems are: Problem set: 0 solved, 8 unsolved
At refinement iteration 13 (INCLUDED_ONLY) 0/309 variables, 0/241 constraints. Problems are: Problem set: 0 solved, 8 unsolved
At refinement iteration 14 (OVERLAPS) 0/309 variables, 0/241 constraints. Problems are: Problem set: 0 solved, 8 unsolved
No progress, stopping.
After SMT solving in domain Int declared 309/309 variables, and 241 constraints, problems are : Problem set: 0 solved, 8 unsolved in 3724 ms.
Refiners :[Positive P Invariants (semi-flows): 2/2 constraints, Generalized P Invariants (flows): 1/1 constraints, State Equation: 120/120 constraints, ReadFeed: 107/107 constraints, PredecessorRefiner: 8/8 constraints, Known Traps: 3/3 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 4428ms problems are : Problem set: 0 solved, 8 unsolved
Parikh walk visited 1 properties in 18419 ms.
Support contains 10 out of 120 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 120/120 places, 189/189 transitions.
Discarding 1 places :
Symmetric choice reduction at 0 with 1 rule applications. Total rules 1 place count 119 transition count 187
Iterating global reduction 0 with 1 rules applied. Total rules applied 2 place count 119 transition count 187
Discarding 1 places :
Symmetric choice reduction at 0 with 1 rule applications. Total rules 3 place count 118 transition count 186
Iterating global reduction 0 with 1 rules applied. Total rules applied 4 place count 118 transition count 186
Discarding 1 places :
Symmetric choice reduction at 0 with 1 rule applications. Total rules 5 place count 117 transition count 185
Iterating global reduction 0 with 1 rules applied. Total rules applied 6 place count 117 transition count 185
Ensure Unique test removed 1 transitions
Reduce isomorphic transitions removed 1 transitions.
Iterating post reduction 0 with 1 rules applied. Total rules applied 7 place count 117 transition count 184
Applied a total of 7 rules in 18 ms. Remains 117 /120 variables (removed 3) and now considering 184/189 (removed 5) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 19 ms. Remains : 117/120 places, 184/189 transitions.
RANDOM walk for 40000 steps (9020 resets) in 175 ms. (227 steps per ms) remains 7/7 properties
BEST_FIRST walk for 40003 steps (1887 resets) in 78 ms. (506 steps per ms) remains 7/7 properties
BEST_FIRST walk for 40003 steps (1886 resets) in 49 ms. (800 steps per ms) remains 7/7 properties
BEST_FIRST walk for 40003 steps (1892 resets) in 56 ms. (701 steps per ms) remains 7/7 properties
BEST_FIRST walk for 40002 steps (1929 resets) in 46 ms. (851 steps per ms) remains 7/7 properties
BEST_FIRST walk for 40002 steps (1869 resets) in 49 ms. (800 steps per ms) remains 7/7 properties
BEST_FIRST walk for 40002 steps (1961 resets) in 48 ms. (816 steps per ms) remains 7/7 properties
BEST_FIRST walk for 40003 steps (1877 resets) in 47 ms. (833 steps per ms) remains 7/7 properties
Interrupted probabilistic random walk after 361883 steps, run timeout after 3001 ms. (steps per millisecond=120 ) properties seen :0 out of 7
Probabilistic random walk after 361883 steps, saw 157527 distinct states, run finished after 3001 ms. (steps per millisecond=120 ) properties seen :0
// Phase 1: matrix 184 rows 117 cols
[2025-06-06 00:21:39] [INFO ] Computed 3 invariants in 1 ms
[2025-06-06 00:21:39] [INFO ] State equation strengthened by 104 read => feed constraints.
Starting Z3 with timeout 75.0 s and query timeout 7500.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/10 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 7 unsolved
At refinement iteration 1 (OVERLAPS) 61/71 variables, 2/2 constraints. Problems are: Problem set: 0 solved, 7 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/71 variables, 0/2 constraints. Problems are: Problem set: 0 solved, 7 unsolved
At refinement iteration 3 (OVERLAPS) 3/74 variables, 1/3 constraints. Problems are: Problem set: 0 solved, 7 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/74 variables, 0/3 constraints. Problems are: Problem set: 0 solved, 7 unsolved
At refinement iteration 5 (OVERLAPS) 169/243 variables, 74/77 constraints. Problems are: Problem set: 0 solved, 7 unsolved
All remaining problems are real, not stopping.
At refinement iteration 6 (INCLUDED_ONLY) 0/243 variables, 89/166 constraints. Problems are: Problem set: 0 solved, 7 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/243 variables, 0/166 constraints. Problems are: Problem set: 0 solved, 7 unsolved
At refinement iteration 8 (OVERLAPS) 58/301 variables, 43/209 constraints. Problems are: Problem set: 0 solved, 7 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/301 variables, 15/224 constraints. Problems are: Problem set: 0 solved, 7 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/301 variables, 0/224 constraints. Problems are: Problem set: 0 solved, 7 unsolved
At refinement iteration 11 (OVERLAPS) 0/301 variables, 0/224 constraints. Problems are: Problem set: 0 solved, 7 unsolved
No progress, stopping.
After SMT solving in domain Real declared 301/301 variables, and 224 constraints, problems are : Problem set: 0 solved, 7 unsolved in 436 ms.
Refiners :[Positive P Invariants (semi-flows): 3/3 constraints, State Equation: 117/117 constraints, ReadFeed: 104/104 constraints, PredecessorRefiner: 7/7 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 7 unsolved
Starting Z3 with timeout 75.0 s and query timeout 7500.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/10 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 7 unsolved
At refinement iteration 1 (OVERLAPS) 61/71 variables, 2/2 constraints. Problems are: Problem set: 0 solved, 7 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/71 variables, 0/2 constraints. Problems are: Problem set: 0 solved, 7 unsolved
At refinement iteration 3 (OVERLAPS) 3/74 variables, 1/3 constraints. Problems are: Problem set: 0 solved, 7 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-06 00:21:39] [INFO ] Deduced a trap composed of 24 places in 31 ms of which 2 ms to minimize.
At refinement iteration 4 (INCLUDED_ONLY) 0/74 variables, 1/4 constraints. Problems are: Problem set: 0 solved, 7 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/74 variables, 0/4 constraints. Problems are: Problem set: 0 solved, 7 unsolved
At refinement iteration 6 (OVERLAPS) 169/243 variables, 74/78 constraints. Problems are: Problem set: 0 solved, 7 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/243 variables, 89/167 constraints. Problems are: Problem set: 0 solved, 7 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/243 variables, 0/167 constraints. Problems are: Problem set: 0 solved, 7 unsolved
At refinement iteration 9 (OVERLAPS) 58/301 variables, 43/210 constraints. Problems are: Problem set: 0 solved, 7 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/301 variables, 15/225 constraints. Problems are: Problem set: 0 solved, 7 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/301 variables, 7/232 constraints. Problems are: Problem set: 0 solved, 7 unsolved
At refinement iteration 12 (INCLUDED_ONLY) 0/301 variables, 0/232 constraints. Problems are: Problem set: 0 solved, 7 unsolved
At refinement iteration 13 (OVERLAPS) 0/301 variables, 0/232 constraints. Problems are: Problem set: 0 solved, 7 unsolved
No progress, stopping.
After SMT solving in domain Int declared 301/301 variables, and 232 constraints, problems are : Problem set: 0 solved, 7 unsolved in 2485 ms.
Refiners :[Positive P Invariants (semi-flows): 3/3 constraints, State Equation: 117/117 constraints, ReadFeed: 104/104 constraints, PredecessorRefiner: 7/7 constraints, Known Traps: 1/1 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 2936ms problems are : Problem set: 0 solved, 7 unsolved
Parikh walk visited 0 properties in 26176 ms.
Support contains 10 out of 117 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 117/117 places, 184/184 transitions.
Applied a total of 0 rules in 6 ms. Remains 117 /117 variables (removed 0) and now considering 184/184 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 6 ms. Remains : 117/117 places, 184/184 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 117/117 places, 184/184 transitions.
Applied a total of 0 rules in 6 ms. Remains 117 /117 variables (removed 0) and now considering 184/184 (removed 0) transitions.
[2025-06-06 00:22:08] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-06 00:22:08] [INFO ] Implicit Places using invariants in 66 ms returned []
[2025-06-06 00:22:08] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-06 00:22:08] [INFO ] State equation strengthened by 104 read => feed constraints.
[2025-06-06 00:22:09] [INFO ] Implicit Places using invariants and state equation in 562 ms returned []
Implicit Place search using SMT with State Equation took 630 ms to find 0 implicit places.
Starting Z3 with timeout 200.0 s and query timeout 20000.0 ms
[2025-06-06 00:22:09] [INFO ] Redundant transitions in 5 ms returned []
Running 183 sub problems to find dead transitions.
[2025-06-06 00:22:09] [INFO ] Invariant cache hit.
[2025-06-06 00:22:09] [INFO ] State equation strengthened by 104 read => feed constraints.
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/116 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 183 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/116 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 183 unsolved
At refinement iteration 2 (OVERLAPS) 1/117 variables, 2/3 constraints. Problems are: Problem set: 0 solved, 183 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/117 variables, 0/3 constraints. Problems are: Problem set: 0 solved, 183 unsolved
At refinement iteration 4 (OVERLAPS) 184/301 variables, 117/120 constraints. Problems are: Problem set: 0 solved, 183 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/301 variables, 104/224 constraints. Problems are: Problem set: 0 solved, 183 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-06 00:22:12] [INFO ] Deduced a trap composed of 37 places in 38 ms of which 3 ms to minimize.
All remaining problems are real, not stopping.
At refinement iteration 6 (INCLUDED_ONLY) 0/301 variables, 1/225 constraints. Problems are: Problem set: 0 solved, 183 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/301 variables, 0/225 constraints. Problems are: Problem set: 0 solved, 183 unsolved
At refinement iteration 8 (OVERLAPS) 0/301 variables, 0/225 constraints. Problems are: Problem set: 0 solved, 183 unsolved
No progress, stopping.
After SMT solving in domain Real declared 301/301 variables, and 225 constraints, problems are : Problem set: 0 solved, 183 unsolved in 14788 ms.
Refiners :[Positive P Invariants (semi-flows): 3/3 constraints, State Equation: 117/117 constraints, ReadFeed: 104/104 constraints, PredecessorRefiner: 183/183 constraints, Known Traps: 1/1 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 183 unsolved
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/116 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 183 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/116 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 183 unsolved
At refinement iteration 2 (OVERLAPS) 1/117 variables, 2/3 constraints. Problems are: Problem set: 0 solved, 183 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/117 variables, 1/4 constraints. Problems are: Problem set: 0 solved, 183 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/117 variables, 0/4 constraints. Problems are: Problem set: 0 solved, 183 unsolved
At refinement iteration 5 (OVERLAPS) 184/301 variables, 117/121 constraints. Problems are: Problem set: 0 solved, 183 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/301 variables, 104/225 constraints. Problems are: Problem set: 0 solved, 183 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/301 variables, 183/408 constraints. Problems are: Problem set: 0 solved, 183 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-06 00:22:33] [INFO ] Deduced a trap composed of 20 places in 46 ms of which 3 ms to minimize.
At refinement iteration 8 (INCLUDED_ONLY) 0/301 variables, 1/409 constraints. Problems are: Problem set: 0 solved, 183 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 301/301 variables, and 409 constraints, problems are : Problem set: 0 solved, 183 unsolved in 30015 ms.
Refiners :[Positive P Invariants (semi-flows): 3/3 constraints, State Equation: 117/117 constraints, ReadFeed: 104/104 constraints, PredecessorRefiner: 183/183 constraints, Known Traps: 2/2 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 44899ms problems are : Problem set: 0 solved, 183 unsolved
Search for dead transitions found 0 dead transitions in 44900ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 45546 ms. Remains : 117/117 places, 184/184 transitions.
Successfully simplified 2 atomic propositions for a total of 13 simplifications.
FORMULA SieveSingleMsgMbox-PT-d1m64-LTLFireability-06 FALSE TECHNIQUES TOPOLOGICAL INITIAL_STATE
Computed a total of 29 stabilizing places and 49 stable transitions
Graph (complete) has 532 edges and 141 vertex of which 140 are kept as prefixes of interest. Removing 1 places using SCC suffix rule.4 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(X((X(X(!p1)) U ((X(X(!p1))&&p2)||X(X(G(!p1)))))))))'
Support contains 5 out of 141 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 141/141 places, 260/260 transitions.
Discarding 16 places :
Symmetric choice reduction at 0 with 16 rule applications. Total rules 16 place count 125 transition count 167
Iterating global reduction 0 with 16 rules applied. Total rules applied 32 place count 125 transition count 167
Ensure Unique test removed 1 transitions
Reduce isomorphic transitions removed 1 transitions.
Iterating post reduction 0 with 1 rules applied. Total rules applied 33 place count 125 transition count 166
Discarding 14 places :
Symmetric choice reduction at 1 with 14 rule applications. Total rules 47 place count 111 transition count 151
Iterating global reduction 1 with 14 rules applied. Total rules applied 61 place count 111 transition count 151
Ensure Unique test removed 5 transitions
Reduce isomorphic transitions removed 5 transitions.
Iterating post reduction 1 with 5 rules applied. Total rules applied 66 place count 111 transition count 146
Discarding 8 places :
Symmetric choice reduction at 2 with 8 rule applications. Total rules 74 place count 103 transition count 138
Iterating global reduction 2 with 8 rules applied. Total rules applied 82 place count 103 transition count 138
Ensure Unique test removed 6 transitions
Reduce isomorphic transitions removed 6 transitions.
Iterating post reduction 2 with 6 rules applied. Total rules applied 88 place count 103 transition count 132
Discarding 2 places :
Symmetric choice reduction at 3 with 2 rule applications. Total rules 90 place count 101 transition count 130
Iterating global reduction 3 with 2 rules applied. Total rules applied 92 place count 101 transition count 130
Discarding 2 places :
Symmetric choice reduction at 3 with 2 rule applications. Total rules 94 place count 99 transition count 128
Iterating global reduction 3 with 2 rules applied. Total rules applied 96 place count 99 transition count 128
Discarding 2 places :
Symmetric choice reduction at 3 with 2 rule applications. Total rules 98 place count 97 transition count 125
Iterating global reduction 3 with 2 rules applied. Total rules applied 100 place count 97 transition count 125
Ensure Unique test removed 3 transitions
Reduce isomorphic transitions removed 3 transitions.
Iterating post reduction 3 with 3 rules applied. Total rules applied 103 place count 97 transition count 122
Discarding 2 places :
Symmetric choice reduction at 4 with 2 rule applications. Total rules 105 place count 95 transition count 120
Iterating global reduction 4 with 2 rules applied. Total rules applied 107 place count 95 transition count 120
Discarding 1 places :
Symmetric choice reduction at 4 with 1 rule applications. Total rules 108 place count 94 transition count 119
Iterating global reduction 4 with 1 rules applied. Total rules applied 109 place count 94 transition count 119
Applied a total of 109 rules in 12 ms. Remains 94 /141 variables (removed 47) and now considering 119/260 (removed 141) transitions.
// Phase 1: matrix 119 rows 94 cols
[2025-06-06 00:22:54] [INFO ] Computed 4 invariants in 3 ms
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-06 00:22:54] [INFO ] Implicit Places using invariants in 64 ms returned []
[2025-06-06 00:22:54] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-06 00:22:54] [INFO ] State equation strengthened by 56 read => feed constraints.
[2025-06-06 00:22:54] [INFO ] Implicit Places using invariants and state equation in 259 ms returned []
Implicit Place search using SMT with State Equation took 326 ms to find 0 implicit places.
Running 118 sub problems to find dead transitions.
[2025-06-06 00:22:54] [INFO ] Invariant cache hit.
[2025-06-06 00:22:54] [INFO ] State equation strengthened by 56 read => feed constraints.
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/93 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 118 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/93 variables, 2/3 constraints. Problems are: Problem set: 0 solved, 118 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/93 variables, 0/3 constraints. Problems are: Problem set: 0 solved, 118 unsolved
At refinement iteration 3 (OVERLAPS) 1/94 variables, 1/4 constraints. Problems are: Problem set: 0 solved, 118 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/94 variables, 0/4 constraints. Problems are: Problem set: 0 solved, 118 unsolved
At refinement iteration 5 (OVERLAPS) 119/213 variables, 94/98 constraints. Problems are: Problem set: 0 solved, 118 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/213 variables, 56/154 constraints. Problems are: Problem set: 0 solved, 118 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/213 variables, 0/154 constraints. Problems are: Problem set: 0 solved, 118 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-06 00:22:58] [INFO ] Deduced a trap composed of 21 places in 39 ms of which 3 ms to minimize.
At refinement iteration 8 (OVERLAPS) 0/213 variables, 1/155 constraints. Problems are: Problem set: 0 solved, 118 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/213 variables, 0/155 constraints. Problems are: Problem set: 0 solved, 118 unsolved
At refinement iteration 10 (OVERLAPS) 0/213 variables, 0/155 constraints. Problems are: Problem set: 0 solved, 118 unsolved
No progress, stopping.
After SMT solving in domain Real declared 213/213 variables, and 155 constraints, problems are : Problem set: 0 solved, 118 unsolved in 8621 ms.
Refiners :[Positive P Invariants (semi-flows): 2/2 constraints, Generalized P Invariants (flows): 2/2 constraints, State Equation: 94/94 constraints, ReadFeed: 56/56 constraints, PredecessorRefiner: 118/118 constraints, Known Traps: 1/1 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 118 unsolved
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/93 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 118 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/93 variables, 2/3 constraints. Problems are: Problem set: 0 solved, 118 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/93 variables, 0/3 constraints. Problems are: Problem set: 0 solved, 118 unsolved
At refinement iteration 3 (OVERLAPS) 1/94 variables, 1/4 constraints. Problems are: Problem set: 0 solved, 118 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/94 variables, 1/5 constraints. Problems are: Problem set: 0 solved, 118 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/94 variables, 0/5 constraints. Problems are: Problem set: 0 solved, 118 unsolved
At refinement iteration 6 (OVERLAPS) 119/213 variables, 94/99 constraints. Problems are: Problem set: 0 solved, 118 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/213 variables, 56/155 constraints. Problems are: Problem set: 0 solved, 118 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/213 variables, 118/273 constraints. Problems are: Problem set: 0 solved, 118 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-06 00:23:10] [INFO ] Deduced a trap along path composed of 4 places in 23 ms of which 2 ms to minimize.
At refinement iteration 9 (INCLUDED_ONLY) 0/213 variables, 1/274 constraints. Problems are: Problem set: 0 solved, 118 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/213 variables, 0/274 constraints. Problems are: Problem set: 0 solved, 118 unsolved
At refinement iteration 11 (OVERLAPS) 0/213 variables, 0/274 constraints. Problems are: Problem set: 0 solved, 118 unsolved
No progress, stopping.
After SMT solving in domain Int declared 213/213 variables, and 274 constraints, problems are : Problem set: 0 solved, 118 unsolved in 20381 ms.
Refiners :[Positive P Invariants (semi-flows): 2/2 constraints, Generalized P Invariants (flows): 2/2 constraints, State Equation: 94/94 constraints, ReadFeed: 56/56 constraints, PredecessorRefiner: 118/118 constraints, Known Traps: 1/1 constraints, Known Traps Along Path: 1/1 constraints]
After SMT, in 29043ms problems are : Problem set: 0 solved, 118 unsolved
Search for dead transitions found 0 dead transitions in 29044ms
Starting structural reductions in LTL mode, iteration 1 : 94/141 places, 119/260 transitions.
Finished structural reductions in LTL mode , in 1 iterations and 29383 ms. Remains : 94/141 places, 119/260 transitions.
Stuttering acceptance computed with spot in 402 ms :[(OR (NOT p0) p1), (NOT p0), p1, p1, p1, p1, true]
Running random walk in product with property : SieveSingleMsgMbox-PT-d1m64-LTLFireability-00
Stuttering criterion allowed to conclude after 6 steps with 0 reset in 1 ms.
FORMULA SieveSingleMsgMbox-PT-d1m64-LTLFireability-00 FALSE TECHNIQUES STUTTER_TEST
Treatment of property SieveSingleMsgMbox-PT-d1m64-LTLFireability-00 finished in 29859 ms.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202505121319/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!(X(((p0 U p1)||X(X(G(p2))))))'
Support contains 5 out of 141 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 141/141 places, 260/260 transitions.
Discarding 15 places :
Symmetric choice reduction at 0 with 15 rule applications. Total rules 15 place count 126 transition count 154
Iterating global reduction 0 with 15 rules applied. Total rules applied 30 place count 126 transition count 154
Discarding 15 places :
Symmetric choice reduction at 0 with 15 rule applications. Total rules 45 place count 111 transition count 139
Iterating global reduction 0 with 15 rules applied. Total rules applied 60 place count 111 transition count 139
Ensure Unique test removed 7 transitions
Reduce isomorphic transitions removed 7 transitions.
Iterating post reduction 0 with 7 rules applied. Total rules applied 67 place count 111 transition count 132
Discarding 10 places :
Symmetric choice reduction at 1 with 10 rule applications. Total rules 77 place count 101 transition count 122
Iterating global reduction 1 with 10 rules applied. Total rules applied 87 place count 101 transition count 122
Ensure Unique test removed 7 transitions
Reduce isomorphic transitions removed 7 transitions.
Iterating post reduction 1 with 7 rules applied. Total rules applied 94 place count 101 transition count 115
Discarding 3 places :
Symmetric choice reduction at 2 with 3 rule applications. Total rules 97 place count 98 transition count 112
Iterating global reduction 2 with 3 rules applied. Total rules applied 100 place count 98 transition count 112
Discarding 3 places :
Symmetric choice reduction at 2 with 3 rule applications. Total rules 103 place count 95 transition count 109
Iterating global reduction 2 with 3 rules applied. Total rules applied 106 place count 95 transition count 109
Discarding 2 places :
Symmetric choice reduction at 2 with 2 rule applications. Total rules 108 place count 93 transition count 107
Iterating global reduction 2 with 2 rules applied. Total rules applied 110 place count 93 transition count 107
Ensure Unique test removed 2 transitions
Reduce isomorphic transitions removed 2 transitions.
Iterating post reduction 2 with 2 rules applied. Total rules applied 112 place count 93 transition count 105
Discarding 2 places :
Symmetric choice reduction at 3 with 2 rule applications. Total rules 114 place count 91 transition count 103
Iterating global reduction 3 with 2 rules applied. Total rules applied 116 place count 91 transition count 103
Applied a total of 116 rules in 11 ms. Remains 91 /141 variables (removed 50) and now considering 103/260 (removed 157) transitions.
// Phase 1: matrix 103 rows 91 cols
[2025-06-06 00:23:24] [INFO ] Computed 4 invariants in 1 ms
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-06 00:23:24] [INFO ] Implicit Places using invariants in 51 ms returned []
[2025-06-06 00:23:24] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-06 00:23:24] [INFO ] State equation strengthened by 43 read => feed constraints.
[2025-06-06 00:23:24] [INFO ] Implicit Places using invariants and state equation in 183 ms returned []
Implicit Place search using SMT with State Equation took 236 ms to find 0 implicit places.
Running 102 sub problems to find dead transitions.
[2025-06-06 00:23:24] [INFO ] Invariant cache hit.
[2025-06-06 00:23:24] [INFO ] State equation strengthened by 43 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, 102 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/90 variables, 2/3 constraints. Problems are: Problem set: 0 solved, 102 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/90 variables, 0/3 constraints. Problems are: Problem set: 0 solved, 102 unsolved
At refinement iteration 3 (OVERLAPS) 1/91 variables, 1/4 constraints. Problems are: Problem set: 0 solved, 102 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/91 variables, 0/4 constraints. Problems are: Problem set: 0 solved, 102 unsolved
At refinement iteration 5 (OVERLAPS) 103/194 variables, 91/95 constraints. Problems are: Problem set: 0 solved, 102 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/194 variables, 43/138 constraints. Problems are: Problem set: 0 solved, 102 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/194 variables, 0/138 constraints. Problems are: Problem set: 0 solved, 102 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-06 00:23:27] [INFO ] Deduced a trap composed of 21 places in 40 ms of which 3 ms to minimize.
At refinement iteration 8 (OVERLAPS) 0/194 variables, 1/139 constraints. Problems are: Problem set: 0 solved, 102 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-06 00:23:28] [INFO ] Deduced a trap composed of 47 places in 44 ms of which 4 ms to minimize.
At refinement iteration 9 (INCLUDED_ONLY) 0/194 variables, 1/140 constraints. Problems are: Problem set: 0 solved, 102 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-06 00:23:30] [INFO ] Deduced a trap composed of 35 places in 35 ms of which 3 ms to minimize.
At refinement iteration 10 (INCLUDED_ONLY) 0/194 variables, 1/141 constraints. Problems are: Problem set: 0 solved, 102 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/194 variables, 0/141 constraints. Problems are: Problem set: 0 solved, 102 unsolved
At refinement iteration 12 (OVERLAPS) 0/194 variables, 0/141 constraints. Problems are: Problem set: 0 solved, 102 unsolved
No progress, stopping.
After SMT solving in domain Real declared 194/194 variables, and 141 constraints, problems are : Problem set: 0 solved, 102 unsolved in 10930 ms.
Refiners :[Positive P Invariants (semi-flows): 2/2 constraints, Generalized P Invariants (flows): 2/2 constraints, State Equation: 91/91 constraints, ReadFeed: 43/43 constraints, PredecessorRefiner: 102/102 constraints, Known Traps: 3/3 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 102 unsolved
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/90 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 102 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/90 variables, 2/3 constraints. Problems are: Problem set: 0 solved, 102 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/90 variables, 0/3 constraints. Problems are: Problem set: 0 solved, 102 unsolved
At refinement iteration 3 (OVERLAPS) 1/91 variables, 1/4 constraints. Problems are: Problem set: 0 solved, 102 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/91 variables, 3/7 constraints. Problems are: Problem set: 0 solved, 102 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/91 variables, 0/7 constraints. Problems are: Problem set: 0 solved, 102 unsolved
At refinement iteration 6 (OVERLAPS) 103/194 variables, 91/98 constraints. Problems are: Problem set: 0 solved, 102 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/194 variables, 43/141 constraints. Problems are: Problem set: 0 solved, 102 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/194 variables, 102/243 constraints. Problems are: Problem set: 0 solved, 102 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-06 00:23:44] [INFO ] Deduced a trap along path composed of 4 places in 27 ms of which 0 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-06 00:23:44] [INFO ] Deduced a trap along path composed of 17 places in 35 ms of which 0 ms to minimize.
At refinement iteration 9 (INCLUDED_ONLY) 0/194 variables, 2/245 constraints. Problems are: Problem set: 0 solved, 102 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/194 variables, 0/245 constraints. Problems are: Problem set: 0 solved, 102 unsolved
At refinement iteration 11 (OVERLAPS) 0/194 variables, 0/245 constraints. Problems are: Problem set: 0 solved, 102 unsolved
No progress, stopping.
After SMT solving in domain Int declared 194/194 variables, and 245 constraints, problems are : Problem set: 0 solved, 102 unsolved in 29602 ms.
Refiners :[Positive P Invariants (semi-flows): 2/2 constraints, Generalized P Invariants (flows): 2/2 constraints, State Equation: 91/91 constraints, ReadFeed: 43/43 constraints, PredecessorRefiner: 102/102 constraints, Known Traps: 3/3 constraints, Known Traps Along Path: 2/2 constraints]
After SMT, in 40566ms problems are : Problem set: 0 solved, 102 unsolved
Search for dead transitions found 0 dead transitions in 40567ms
Starting structural reductions in LTL mode, iteration 1 : 91/141 places, 103/260 transitions.
Finished structural reductions in LTL mode , in 1 iterations and 40815 ms. Remains : 91/141 places, 103/260 transitions.
Stuttering acceptance computed with spot in 314 ms :[true, (NOT p1), (NOT p2), (AND (NOT p1) (NOT p2)), (AND (NOT p1) (NOT p2)), (NOT p2), (AND (NOT p1) (NOT p2)), (AND (NOT p1) (NOT p2))]
Running random walk in product with property : SieveSingleMsgMbox-PT-d1m64-LTLFireability-01
Stuttering criterion allowed to conclude after 2 steps with 0 reset in 0 ms.
FORMULA SieveSingleMsgMbox-PT-d1m64-LTLFireability-01 FALSE TECHNIQUES STUTTER_TEST
Treatment of property SieveSingleMsgMbox-PT-d1m64-LTLFireability-01 finished in 41153 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||(G(p2)&&p1)))&&(F(p3) U p4)))'
Support contains 6 out of 141 places. Attempting structural reductions.
Starting structural reductions in SI_LTL mode, iteration 0 : 141/141 places, 260/260 transitions.
Discarding 15 places :
Symmetric choice reduction at 0 with 15 rule applications. Total rules 15 place count 126 transition count 168
Iterating global reduction 0 with 15 rules applied. Total rules applied 30 place count 126 transition count 168
Ensure Unique test removed 1 transitions
Reduce isomorphic transitions removed 1 transitions.
Iterating post reduction 0 with 1 rules applied. Total rules applied 31 place count 126 transition count 167
Discarding 13 places :
Symmetric choice reduction at 1 with 13 rule applications. Total rules 44 place count 113 transition count 153
Iterating global reduction 1 with 13 rules applied. Total rules applied 57 place count 113 transition count 153
Ensure Unique test removed 5 transitions
Reduce isomorphic transitions removed 5 transitions.
Iterating post reduction 1 with 5 rules applied. Total rules applied 62 place count 113 transition count 148
Discarding 8 places :
Symmetric choice reduction at 2 with 8 rule applications. Total rules 70 place count 105 transition count 140
Iterating global reduction 2 with 8 rules applied. Total rules applied 78 place count 105 transition count 140
Ensure Unique test removed 5 transitions
Reduce isomorphic transitions removed 5 transitions.
Iterating post reduction 2 with 5 rules applied. Total rules applied 83 place count 105 transition count 135
Discarding 1 places :
Symmetric choice reduction at 3 with 1 rule applications. Total rules 84 place count 104 transition count 134
Iterating global reduction 3 with 1 rules applied. Total rules applied 85 place count 104 transition count 134
Discarding 1 places :
Symmetric choice reduction at 3 with 1 rule applications. Total rules 86 place count 103 transition count 133
Iterating global reduction 3 with 1 rules applied. Total rules applied 87 place count 103 transition count 133
Discarding 1 places :
Symmetric choice reduction at 3 with 1 rule applications. Total rules 88 place count 102 transition count 131
Iterating global reduction 3 with 1 rules applied. Total rules applied 89 place count 102 transition count 131
Discarding 1 places :
Symmetric choice reduction at 3 with 1 rule applications. Total rules 90 place count 101 transition count 130
Iterating global reduction 3 with 1 rules applied. Total rules applied 91 place count 101 transition count 130
Discarding 1 places :
Symmetric choice reduction at 3 with 1 rule applications. Total rules 92 place count 100 transition count 129
Iterating global reduction 3 with 1 rules applied. Total rules applied 93 place count 100 transition count 129
Applied a total of 93 rules in 37 ms. Remains 100 /141 variables (removed 41) and now considering 129/260 (removed 131) transitions.
// Phase 1: matrix 129 rows 100 cols
[2025-06-06 00:24:05] [INFO ] Computed 4 invariants in 2 ms
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-06 00:24:05] [INFO ] Implicit Places using invariants in 60 ms returned []
[2025-06-06 00:24:05] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-06 00:24:05] [INFO ] State equation strengthened by 63 read => feed constraints.
[2025-06-06 00:24:05] [INFO ] Implicit Places using invariants and state equation in 364 ms returned []
Implicit Place search using SMT with State Equation took 426 ms to find 0 implicit places.
Starting Z3 with timeout 200.0 s and query timeout 20000.0 ms
[2025-06-06 00:24:05] [INFO ] Redundant transitions in 6 ms returned []
Running 128 sub problems to find dead transitions.
[2025-06-06 00:24:05] [INFO ] Invariant cache hit.
[2025-06-06 00:24:05] [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) 0/99 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 128 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/99 variables, 2/3 constraints. Problems are: Problem set: 0 solved, 128 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/99 variables, 0/3 constraints. Problems are: Problem set: 0 solved, 128 unsolved
At refinement iteration 3 (OVERLAPS) 1/100 variables, 1/4 constraints. Problems are: Problem set: 0 solved, 128 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/100 variables, 0/4 constraints. Problems are: Problem set: 0 solved, 128 unsolved
At refinement iteration 5 (OVERLAPS) 129/229 variables, 100/104 constraints. Problems are: Problem set: 0 solved, 128 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/229 variables, 63/167 constraints. Problems are: Problem set: 0 solved, 128 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/229 variables, 0/167 constraints. Problems are: Problem set: 0 solved, 128 unsolved
At refinement iteration 8 (OVERLAPS) 0/229 variables, 0/167 constraints. Problems are: Problem set: 0 solved, 128 unsolved
No progress, stopping.
After SMT solving in domain Real declared 229/229 variables, and 167 constraints, problems are : Problem set: 0 solved, 128 unsolved in 5628 ms.
Refiners :[Positive P Invariants (semi-flows): 2/2 constraints, Generalized P Invariants (flows): 2/2 constraints, State Equation: 100/100 constraints, ReadFeed: 63/63 constraints, PredecessorRefiner: 128/128 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 128 unsolved
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/99 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 128 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/99 variables, 2/3 constraints. Problems are: Problem set: 0 solved, 128 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/99 variables, 0/3 constraints. Problems are: Problem set: 0 solved, 128 unsolved
At refinement iteration 3 (OVERLAPS) 1/100 variables, 1/4 constraints. Problems are: Problem set: 0 solved, 128 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/100 variables, 0/4 constraints. Problems are: Problem set: 0 solved, 128 unsolved
At refinement iteration 5 (OVERLAPS) 129/229 variables, 100/104 constraints. Problems are: Problem set: 0 solved, 128 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/229 variables, 63/167 constraints. Problems are: Problem set: 0 solved, 128 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/229 variables, 128/295 constraints. Problems are: Problem set: 0 solved, 128 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-06 00:24:14] [INFO ] Deduced a trap composed of 23 places in 38 ms of which 2 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-06 00:24:15] [INFO ] Deduced a trap composed of 45 places in 42 ms of which 3 ms to minimize.
At refinement iteration 8 (INCLUDED_ONLY) 0/229 variables, 2/297 constraints. Problems are: Problem set: 0 solved, 128 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-06 00:24:19] [INFO ] Deduced a trap along path composed of 17 places in 22 ms of which 1 ms to minimize.
At refinement iteration 9 (INCLUDED_ONLY) 0/229 variables, 1/298 constraints. Problems are: Problem set: 0 solved, 128 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/229 variables, 0/298 constraints. Problems are: Problem set: 0 solved, 128 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-06 00:24:31] [INFO ] Deduced a trap composed of 50 places in 46 ms of which 3 ms to minimize.
At refinement iteration 11 (OVERLAPS) 0/229 variables, 1/299 constraints. Problems are: Problem set: 0 solved, 128 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 229/229 variables, and 299 constraints, problems are : Problem set: 0 solved, 128 unsolved in 30018 ms.
Refiners :[Positive P Invariants (semi-flows): 2/2 constraints, Generalized P Invariants (flows): 2/2 constraints, State Equation: 100/100 constraints, ReadFeed: 63/63 constraints, PredecessorRefiner: 128/128 constraints, Known Traps: 3/3 constraints, Known Traps Along Path: 1/1 constraints]
After SMT, in 35692ms problems are : Problem set: 0 solved, 128 unsolved
Search for dead transitions found 0 dead transitions in 35692ms
Starting structural reductions in SI_LTL mode, iteration 1 : 100/141 places, 129/260 transitions.
Finished structural reductions in SI_LTL mode , in 1 iterations and 36166 ms. Remains : 100/141 places, 129/260 transitions.
Stuttering acceptance computed with spot in 217 ms :[(OR (NOT p4) (AND (NOT p0) (NOT p1)) (AND (NOT p0) (NOT p2))), (OR (AND (NOT p0) (NOT p1)) (AND (NOT p0) (NOT p2))), (NOT p3), (NOT p4), (AND (NOT p0) (NOT p2))]
Running random walk in product with property : SieveSingleMsgMbox-PT-d1m64-LTLFireability-02
Stuttering criterion allowed to conclude after 2 steps with 0 reset in 0 ms.
FORMULA SieveSingleMsgMbox-PT-d1m64-LTLFireability-02 FALSE TECHNIQUES STUTTER_TEST
Treatment of property SieveSingleMsgMbox-PT-d1m64-LTLFireability-02 finished in 36406 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)||((!p1 U p2)&&X(X(X(G(p1)))))))'
Support contains 4 out of 141 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 141/141 places, 260/260 transitions.
Discarding 15 places :
Symmetric choice reduction at 0 with 15 rule applications. Total rules 15 place count 126 transition count 176
Iterating global reduction 0 with 15 rules applied. Total rules applied 30 place count 126 transition count 176
Ensure Unique test removed 1 transitions
Reduce isomorphic transitions removed 1 transitions.
Iterating post reduction 0 with 1 rules applied. Total rules applied 31 place count 126 transition count 175
Discarding 14 places :
Symmetric choice reduction at 1 with 14 rule applications. Total rules 45 place count 112 transition count 160
Iterating global reduction 1 with 14 rules applied. Total rules applied 59 place count 112 transition count 160
Ensure Unique test removed 5 transitions
Reduce isomorphic transitions removed 5 transitions.
Iterating post reduction 1 with 5 rules applied. Total rules applied 64 place count 112 transition count 155
Discarding 8 places :
Symmetric choice reduction at 2 with 8 rule applications. Total rules 72 place count 104 transition count 147
Iterating global reduction 2 with 8 rules applied. Total rules applied 80 place count 104 transition count 147
Ensure Unique test removed 6 transitions
Reduce isomorphic transitions removed 6 transitions.
Iterating post reduction 2 with 6 rules applied. Total rules applied 86 place count 104 transition count 141
Discarding 2 places :
Symmetric choice reduction at 3 with 2 rule applications. Total rules 88 place count 102 transition count 139
Iterating global reduction 3 with 2 rules applied. Total rules applied 90 place count 102 transition count 139
Discarding 2 places :
Symmetric choice reduction at 3 with 2 rule applications. Total rules 92 place count 100 transition count 137
Iterating global reduction 3 with 2 rules applied. Total rules applied 94 place count 100 transition count 137
Discarding 1 places :
Symmetric choice reduction at 3 with 1 rule applications. Total rules 95 place count 99 transition count 135
Iterating global reduction 3 with 1 rules applied. Total rules applied 96 place count 99 transition count 135
Discarding 1 places :
Symmetric choice reduction at 3 with 1 rule applications. Total rules 97 place count 98 transition count 134
Iterating global reduction 3 with 1 rules applied. Total rules applied 98 place count 98 transition count 134
Discarding 1 places :
Symmetric choice reduction at 3 with 1 rule applications. Total rules 99 place count 97 transition count 133
Iterating global reduction 3 with 1 rules applied. Total rules applied 100 place count 97 transition count 133
Applied a total of 100 rules in 15 ms. Remains 97 /141 variables (removed 44) and now considering 133/260 (removed 127) transitions.
// Phase 1: matrix 133 rows 97 cols
[2025-06-06 00:24:41] [INFO ] Computed 4 invariants in 2 ms
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-06 00:24:41] [INFO ] Implicit Places using invariants in 56 ms returned []
[2025-06-06 00:24:41] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-06 00:24:41] [INFO ] State equation strengthened by 69 read => feed constraints.
[2025-06-06 00:24:42] [INFO ] Implicit Places using invariants and state equation in 279 ms returned []
Implicit Place search using SMT with State Equation took 338 ms to find 0 implicit places.
Running 132 sub problems to find dead transitions.
[2025-06-06 00:24:42] [INFO ] Invariant cache hit.
[2025-06-06 00:24:42] [INFO ] State equation strengthened by 69 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, 132 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/96 variables, 2/3 constraints. Problems are: Problem set: 0 solved, 132 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/96 variables, 0/3 constraints. Problems are: Problem set: 0 solved, 132 unsolved
At refinement iteration 3 (OVERLAPS) 1/97 variables, 1/4 constraints. Problems are: Problem set: 0 solved, 132 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/97 variables, 0/4 constraints. Problems are: Problem set: 0 solved, 132 unsolved
At refinement iteration 5 (OVERLAPS) 133/230 variables, 97/101 constraints. Problems are: Problem set: 0 solved, 132 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/230 variables, 69/170 constraints. Problems are: Problem set: 0 solved, 132 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-06 00:24:44] [INFO ] Deduced a trap composed of 21 places in 39 ms of which 3 ms to minimize.
At refinement iteration 7 (INCLUDED_ONLY) 0/230 variables, 1/171 constraints. Problems are: Problem set: 0 solved, 132 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/230 variables, 0/171 constraints. Problems are: Problem set: 0 solved, 132 unsolved
All remaining problems are real, not stopping.
At refinement iteration 9 (OVERLAPS) 0/230 variables, 0/171 constraints. Problems are: Problem set: 0 solved, 132 unsolved
No progress, stopping.
After SMT solving in domain Real declared 230/230 variables, and 171 constraints, problems are : Problem set: 0 solved, 132 unsolved in 12501 ms.
Refiners :[Positive P Invariants (semi-flows): 2/2 constraints, Generalized P Invariants (flows): 2/2 constraints, State Equation: 97/97 constraints, ReadFeed: 69/69 constraints, PredecessorRefiner: 132/132 constraints, Known Traps: 1/1 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 132 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, 132 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/96 variables, 2/3 constraints. Problems are: Problem set: 0 solved, 132 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/96 variables, 0/3 constraints. Problems are: Problem set: 0 solved, 132 unsolved
At refinement iteration 3 (OVERLAPS) 1/97 variables, 1/4 constraints. Problems are: Problem set: 0 solved, 132 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/97 variables, 1/5 constraints. Problems are: Problem set: 0 solved, 132 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/97 variables, 0/5 constraints. Problems are: Problem set: 0 solved, 132 unsolved
At refinement iteration 6 (OVERLAPS) 133/230 variables, 97/102 constraints. Problems are: Problem set: 0 solved, 132 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/230 variables, 69/171 constraints. Problems are: Problem set: 0 solved, 132 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/230 variables, 132/303 constraints. Problems are: Problem set: 0 solved, 132 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-06 00:25:00] [INFO ] Deduced a trap along path composed of 4 places in 28 ms of which 1 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-06 00:25:00] [INFO ] Deduced a trap along path composed of 17 places in 24 ms of which 1 ms to minimize.
At refinement iteration 9 (INCLUDED_ONLY) 0/230 variables, 2/305 constraints. Problems are: Problem set: 0 solved, 132 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/230 variables, 0/305 constraints. Problems are: Problem set: 0 solved, 132 unsolved
At refinement iteration 11 (OVERLAPS) 0/230 variables, 0/305 constraints. Problems are: Problem set: 0 solved, 132 unsolved
No progress, stopping.
After SMT solving in domain Int declared 230/230 variables, and 305 constraints, problems are : Problem set: 0 solved, 132 unsolved in 26918 ms.
Refiners :[Positive P Invariants (semi-flows): 2/2 constraints, Generalized P Invariants (flows): 2/2 constraints, State Equation: 97/97 constraints, ReadFeed: 69/69 constraints, PredecessorRefiner: 132/132 constraints, Known Traps: 1/1 constraints, Known Traps Along Path: 2/2 constraints]
After SMT, in 39467ms problems are : Problem set: 0 solved, 132 unsolved
Search for dead transitions found 0 dead transitions in 39468ms
Starting structural reductions in LTL mode, iteration 1 : 97/141 places, 133/260 transitions.
Finished structural reductions in LTL mode , in 1 iterations and 39821 ms. Remains : 97/141 places, 133/260 transitions.
Stuttering acceptance computed with spot in 363 ms :[(OR (AND (NOT p0) (NOT p1)) (AND (NOT p0) (NOT p2))), true, (NOT p0), (NOT p2), (NOT p1), (AND (NOT p0) (NOT p2)), (AND (NOT p0) (NOT p1)), (NOT p1), (NOT p1), (AND (NOT p0) (NOT p1)), (AND (NOT p0) (NOT p1))]
Running random walk in product with property : SieveSingleMsgMbox-PT-d1m64-LTLFireability-03
Stuttering criterion allowed to conclude after 2 steps with 0 reset in 2 ms.
FORMULA SieveSingleMsgMbox-PT-d1m64-LTLFireability-03 FALSE TECHNIQUES STUTTER_TEST
Treatment of property SieveSingleMsgMbox-PT-d1m64-LTLFireability-03 finished in 40220 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((X(G(p1))||p0))))'
Support contains 3 out of 141 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 141/141 places, 260/260 transitions.
Discarding 17 places :
Symmetric choice reduction at 0 with 17 rule applications. Total rules 17 place count 124 transition count 158
Iterating global reduction 0 with 17 rules applied. Total rules applied 34 place count 124 transition count 158
Ensure Unique test removed 1 transitions
Reduce isomorphic transitions removed 1 transitions.
Iterating post reduction 0 with 1 rules applied. Total rules applied 35 place count 124 transition count 157
Discarding 16 places :
Symmetric choice reduction at 1 with 16 rule applications. Total rules 51 place count 108 transition count 140
Iterating global reduction 1 with 16 rules applied. Total rules applied 67 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 74 place count 108 transition count 133
Discarding 10 places :
Symmetric choice reduction at 2 with 10 rule applications. Total rules 84 place count 98 transition count 123
Iterating global reduction 2 with 10 rules applied. Total rules applied 94 place count 98 transition count 123
Ensure Unique test removed 7 transitions
Reduce isomorphic transitions removed 7 transitions.
Iterating post reduction 2 with 7 rules applied. Total rules applied 101 place count 98 transition count 116
Discarding 3 places :
Symmetric choice reduction at 3 with 3 rule applications. Total rules 104 place count 95 transition count 113
Iterating global reduction 3 with 3 rules applied. Total rules applied 107 place count 95 transition count 113
Discarding 3 places :
Symmetric choice reduction at 3 with 3 rule applications. Total rules 110 place count 92 transition count 110
Iterating global reduction 3 with 3 rules applied. Total rules applied 113 place count 92 transition count 110
Discarding 2 places :
Symmetric choice reduction at 3 with 2 rule applications. Total rules 115 place count 90 transition count 107
Iterating global reduction 3 with 2 rules applied. Total rules applied 117 place count 90 transition count 107
Ensure Unique test removed 2 transitions
Reduce isomorphic transitions removed 2 transitions.
Iterating post reduction 3 with 2 rules applied. Total rules applied 119 place count 90 transition count 105
Discarding 2 places :
Symmetric choice reduction at 4 with 2 rule applications. Total rules 121 place count 88 transition count 103
Iterating global reduction 4 with 2 rules applied. Total rules applied 123 place count 88 transition count 103
Discarding 1 places :
Symmetric choice reduction at 4 with 1 rule applications. Total rules 124 place count 87 transition count 102
Iterating global reduction 4 with 1 rules applied. Total rules applied 125 place count 87 transition count 102
Applied a total of 125 rules in 8 ms. Remains 87 /141 variables (removed 54) and now considering 102/260 (removed 158) transitions.
// Phase 1: matrix 102 rows 87 cols
[2025-06-06 00:25:21] [INFO ] Computed 4 invariants in 1 ms
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-06 00:25:22] [INFO ] Implicit Places using invariants in 55 ms returned []
[2025-06-06 00:25:22] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-06 00:25:22] [INFO ] State equation strengthened by 46 read => feed constraints.
[2025-06-06 00:25:22] [INFO ] Implicit Places using invariants and state equation in 198 ms returned []
Implicit Place search using SMT with State Equation took 254 ms to find 0 implicit places.
Running 101 sub problems to find dead transitions.
[2025-06-06 00:25:22] [INFO ] Invariant cache hit.
[2025-06-06 00:25:22] [INFO ] State equation strengthened by 46 read => feed constraints.
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/86 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 101 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/86 variables, 2/3 constraints. Problems are: Problem set: 0 solved, 101 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/86 variables, 0/3 constraints. Problems are: Problem set: 0 solved, 101 unsolved
At refinement iteration 3 (OVERLAPS) 1/87 variables, 1/4 constraints. Problems are: Problem set: 0 solved, 101 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/87 variables, 0/4 constraints. Problems are: Problem set: 0 solved, 101 unsolved
At refinement iteration 5 (OVERLAPS) 102/189 variables, 87/91 constraints. Problems are: Problem set: 0 solved, 101 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/189 variables, 46/137 constraints. Problems are: Problem set: 0 solved, 101 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-06 00:25:24] [INFO ] Deduced a trap composed of 21 places in 33 ms of which 3 ms to minimize.
At refinement iteration 7 (INCLUDED_ONLY) 0/189 variables, 1/138 constraints. Problems are: Problem set: 0 solved, 101 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/189 variables, 0/138 constraints. Problems are: Problem set: 0 solved, 101 unsolved
At refinement iteration 9 (OVERLAPS) 0/189 variables, 0/138 constraints. Problems are: Problem set: 0 solved, 101 unsolved
No progress, stopping.
After SMT solving in domain Real declared 189/189 variables, and 138 constraints, problems are : Problem set: 0 solved, 101 unsolved in 6166 ms.
Refiners :[Positive P Invariants (semi-flows): 2/2 constraints, Generalized P Invariants (flows): 2/2 constraints, State Equation: 87/87 constraints, ReadFeed: 46/46 constraints, PredecessorRefiner: 101/101 constraints, Known Traps: 1/1 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 101 unsolved
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/86 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 101 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/86 variables, 2/3 constraints. Problems are: Problem set: 0 solved, 101 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/86 variables, 0/3 constraints. Problems are: Problem set: 0 solved, 101 unsolved
At refinement iteration 3 (OVERLAPS) 1/87 variables, 1/4 constraints. Problems are: Problem set: 0 solved, 101 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/87 variables, 1/5 constraints. Problems are: Problem set: 0 solved, 101 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/87 variables, 0/5 constraints. Problems are: Problem set: 0 solved, 101 unsolved
At refinement iteration 6 (OVERLAPS) 102/189 variables, 87/92 constraints. Problems are: Problem set: 0 solved, 101 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/189 variables, 46/138 constraints. Problems are: Problem set: 0 solved, 101 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/189 variables, 101/239 constraints. Problems are: Problem set: 0 solved, 101 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-06 00:25:31] [INFO ] Deduced a trap along path composed of 17 places in 25 ms of which 0 ms to minimize.
At refinement iteration 9 (INCLUDED_ONLY) 0/189 variables, 1/240 constraints. Problems are: Problem set: 0 solved, 101 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-06 00:25:37] [INFO ] Deduced a trap along path composed of 10 places in 15 ms of which 1 ms to minimize.
At refinement iteration 10 (INCLUDED_ONLY) 0/189 variables, 1/241 constraints. Problems are: Problem set: 0 solved, 101 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/189 variables, 0/241 constraints. Problems are: Problem set: 0 solved, 101 unsolved
At refinement iteration 12 (OVERLAPS) 0/189 variables, 0/241 constraints. Problems are: Problem set: 0 solved, 101 unsolved
No progress, stopping.
After SMT solving in domain Int declared 189/189 variables, and 241 constraints, problems are : Problem set: 0 solved, 101 unsolved in 23492 ms.
Refiners :[Positive P Invariants (semi-flows): 2/2 constraints, Generalized P Invariants (flows): 2/2 constraints, State Equation: 87/87 constraints, ReadFeed: 46/46 constraints, PredecessorRefiner: 101/101 constraints, Known Traps: 1/1 constraints, Known Traps Along Path: 2/2 constraints]
After SMT, in 29693ms problems are : Problem set: 0 solved, 101 unsolved
Search for dead transitions found 0 dead transitions in 29694ms
Starting structural reductions in LTL mode, iteration 1 : 87/141 places, 102/260 transitions.
Finished structural reductions in LTL mode , in 1 iterations and 29957 ms. Remains : 87/141 places, 102/260 transitions.
Stuttering acceptance computed with spot in 106 ms :[true, (NOT p1), (AND (NOT p1) (NOT p0)), (AND (NOT p0) (NOT p1))]
Running random walk in product with property : SieveSingleMsgMbox-PT-d1m64-LTLFireability-04
Product exploration explored 100000 steps with 22397 reset in 271 ms.
Product exploration explored 100000 steps with 22399 reset in 166 ms.
Computed a total of 16 stabilizing places and 21 stable transitions
Graph (complete) has 277 edges and 87 vertex of which 86 are kept as prefixes of interest. Removing 1 places using SCC suffix rule.1 ms
Computed a total of 16 stabilizing places and 21 stable transitions
Knowledge obtained : [(AND (NOT p1) p0), (X p0), (X (X p0)), (X (X (NOT p1)))]
False Knowledge obtained : []
Knowledge based reduction with 4 factoid took 95 ms. Reduced automaton from 4 states, 6 edges and 2 AP (stutter sensitive) to 4 states, 6 edges and 2 AP (stutter sensitive).
Stuttering acceptance computed with spot in 112 ms :[true, (NOT p1), (AND (NOT p1) (NOT p0)), (AND (NOT p0) (NOT p1))]
RANDOM walk for 40000 steps (9017 resets) in 174 ms. (228 steps per ms) remains 1/2 properties
BEST_FIRST walk for 40002 steps (1910 resets) in 122 ms. (325 steps per ms) remains 1/1 properties
[2025-06-06 00:25:52] [INFO ] Invariant cache hit.
[2025-06-06 00:25:52] [INFO ] State equation strengthened by 46 read => feed constraints.
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/2 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 1 (OVERLAPS) 51/53 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/53 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (OVERLAPS) 11/64 variables, 2/3 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/64 variables, 0/3 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (OVERLAPS) 3/67 variables, 1/4 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/67 variables, 0/4 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (OVERLAPS) 89/156 variables, 67/71 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/156 variables, 33/104 constraints. Problems are: Problem set: 0 solved, 1 unsolved
All remaining problems are real, not stopping.
At refinement iteration 9 (INCLUDED_ONLY) 0/156 variables, 0/104 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (OVERLAPS) 33/189 variables, 20/124 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/189 variables, 13/137 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 12 (INCLUDED_ONLY) 0/189 variables, 0/137 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 13 (OVERLAPS) 0/189 variables, 0/137 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Real declared 189/189 variables, and 137 constraints, problems are : Problem set: 0 solved, 1 unsolved in 96 ms.
Refiners :[Positive P Invariants (semi-flows): 2/2 constraints, Generalized P Invariants (flows): 2/2 constraints, State Equation: 87/87 constraints, ReadFeed: 46/46 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 1 unsolved
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/2 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 1 (OVERLAPS) 51/53 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/53 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (OVERLAPS) 11/64 variables, 2/3 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/64 variables, 0/3 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (OVERLAPS) 3/67 variables, 1/4 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/67 variables, 0/4 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (OVERLAPS) 89/156 variables, 67/71 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/156 variables, 33/104 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/156 variables, 0/104 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (OVERLAPS) 33/189 variables, 20/124 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/189 variables, 13/137 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 12 (INCLUDED_ONLY) 0/189 variables, 1/138 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 13 (INCLUDED_ONLY) 0/189 variables, 0/138 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 14 (OVERLAPS) 0/189 variables, 0/138 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Int declared 189/189 variables, and 138 constraints, problems are : Problem set: 0 solved, 1 unsolved in 226 ms.
Refiners :[Positive P Invariants (semi-flows): 2/2 constraints, Generalized P Invariants (flows): 2/2 constraints, State Equation: 87/87 constraints, ReadFeed: 46/46 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 327ms problems are : Problem set: 0 solved, 1 unsolved
Parikh walk visited 0 properties in 25 ms.
Support contains 2 out of 87 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 87/87 places, 102/102 transitions.
Graph (complete) has 244 edges and 87 vertex of which 86 are kept as prefixes of interest. Removing 1 places using SCC suffix rule.1 ms
Discarding 1 places :
Also discarding 0 output transitions
Drop transitions (Empty/Sink Transition effects.) removed 2 transitions
Reduce isomorphic transitions removed 2 transitions.
Iterating post reduction 0 with 2 rules applied. Total rules applied 3 place count 86 transition count 100
Applied a total of 3 rules in 3 ms. Remains 86 /87 variables (removed 1) and now considering 100/102 (removed 2) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 4 ms. Remains : 86/87 places, 100/102 transitions.
RANDOM walk for 40000 steps (8955 resets) in 117 ms. (338 steps per ms) remains 1/1 properties
BEST_FIRST walk for 40003 steps (1865 resets) in 26 ms. (1481 steps per ms) remains 1/1 properties
Finished probabilistic random walk after 25286 steps, run visited all 1 properties in 35 ms. (steps per millisecond=722 )
Probabilistic random walk after 25286 steps, saw 11777 distinct states, run finished after 41 ms. (steps per millisecond=616 ) properties seen :1
Knowledge obtained : [(AND (NOT p1) p0), (X p0), (X (X p0)), (X (X (NOT p1)))]
False Knowledge obtained : [(F (NOT p0)), (F p1)]
Knowledge based reduction with 4 factoid took 132 ms. Reduced automaton from 4 states, 6 edges and 2 AP (stutter sensitive) to 4 states, 6 edges and 2 AP (stutter sensitive).
Stuttering acceptance computed with spot in 119 ms :[true, (NOT p1), (AND (NOT p1) (NOT p0)), (AND (NOT p0) (NOT p1))]
Stuttering acceptance computed with spot in 117 ms :[true, (NOT p1), (AND (NOT p1) (NOT p0)), (AND (NOT p0) (NOT p1))]
Support contains 3 out of 87 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 87/87 places, 102/102 transitions.
Applied a total of 0 rules in 2 ms. Remains 87 /87 variables (removed 0) and now considering 102/102 (removed 0) transitions.
[2025-06-06 00:25:53] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-06 00:25:53] [INFO ] Implicit Places using invariants in 56 ms returned []
[2025-06-06 00:25:53] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-06 00:25:53] [INFO ] State equation strengthened by 46 read => feed constraints.
[2025-06-06 00:25:53] [INFO ] Implicit Places using invariants and state equation in 187 ms returned []
Implicit Place search using SMT with State Equation took 245 ms to find 0 implicit places.
Running 101 sub problems to find dead transitions.
[2025-06-06 00:25:53] [INFO ] Invariant cache hit.
[2025-06-06 00:25:53] [INFO ] State equation strengthened by 46 read => feed constraints.
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/86 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 101 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/86 variables, 2/3 constraints. Problems are: Problem set: 0 solved, 101 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/86 variables, 0/3 constraints. Problems are: Problem set: 0 solved, 101 unsolved
At refinement iteration 3 (OVERLAPS) 1/87 variables, 1/4 constraints. Problems are: Problem set: 0 solved, 101 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/87 variables, 0/4 constraints. Problems are: Problem set: 0 solved, 101 unsolved
At refinement iteration 5 (OVERLAPS) 102/189 variables, 87/91 constraints. Problems are: Problem set: 0 solved, 101 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/189 variables, 46/137 constraints. Problems are: Problem set: 0 solved, 101 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-06 00:25:55] [INFO ] Deduced a trap composed of 21 places in 30 ms of which 3 ms to minimize.
At refinement iteration 7 (INCLUDED_ONLY) 0/189 variables, 1/138 constraints. Problems are: Problem set: 0 solved, 101 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/189 variables, 0/138 constraints. Problems are: Problem set: 0 solved, 101 unsolved
At refinement iteration 9 (OVERLAPS) 0/189 variables, 0/138 constraints. Problems are: Problem set: 0 solved, 101 unsolved
No progress, stopping.
After SMT solving in domain Real declared 189/189 variables, and 138 constraints, problems are : Problem set: 0 solved, 101 unsolved in 6028 ms.
Refiners :[Positive P Invariants (semi-flows): 2/2 constraints, Generalized P Invariants (flows): 2/2 constraints, State Equation: 87/87 constraints, ReadFeed: 46/46 constraints, PredecessorRefiner: 101/101 constraints, Known Traps: 1/1 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 101 unsolved
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/86 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 101 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/86 variables, 2/3 constraints. Problems are: Problem set: 0 solved, 101 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/86 variables, 0/3 constraints. Problems are: Problem set: 0 solved, 101 unsolved
At refinement iteration 3 (OVERLAPS) 1/87 variables, 1/4 constraints. Problems are: Problem set: 0 solved, 101 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/87 variables, 1/5 constraints. Problems are: Problem set: 0 solved, 101 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/87 variables, 0/5 constraints. Problems are: Problem set: 0 solved, 101 unsolved
At refinement iteration 6 (OVERLAPS) 102/189 variables, 87/92 constraints. Problems are: Problem set: 0 solved, 101 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/189 variables, 46/138 constraints. Problems are: Problem set: 0 solved, 101 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/189 variables, 101/239 constraints. Problems are: Problem set: 0 solved, 101 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-06 00:26:03] [INFO ] Deduced a trap along path composed of 17 places in 27 ms of which 1 ms to minimize.
At refinement iteration 9 (INCLUDED_ONLY) 0/189 variables, 1/240 constraints. Problems are: Problem set: 0 solved, 101 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-06 00:26:08] [INFO ] Deduced a trap along path composed of 10 places in 26 ms of which 3 ms to minimize.
At refinement iteration 10 (INCLUDED_ONLY) 0/189 variables, 1/241 constraints. Problems are: Problem set: 0 solved, 101 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/189 variables, 0/241 constraints. Problems are: Problem set: 0 solved, 101 unsolved
At refinement iteration 12 (OVERLAPS) 0/189 variables, 0/241 constraints. Problems are: Problem set: 0 solved, 101 unsolved
No progress, stopping.
After SMT solving in domain Int declared 189/189 variables, and 241 constraints, problems are : Problem set: 0 solved, 101 unsolved in 23505 ms.
Refiners :[Positive P Invariants (semi-flows): 2/2 constraints, Generalized P Invariants (flows): 2/2 constraints, State Equation: 87/87 constraints, ReadFeed: 46/46 constraints, PredecessorRefiner: 101/101 constraints, Known Traps: 1/1 constraints, Known Traps Along Path: 2/2 constraints]
After SMT, in 29576ms problems are : Problem set: 0 solved, 101 unsolved
Search for dead transitions found 0 dead transitions in 29578ms
Finished structural reductions in LTL mode , in 1 iterations and 29825 ms. Remains : 87/87 places, 102/102 transitions.
Computed a total of 16 stabilizing places and 21 stable transitions
Graph (complete) has 277 edges and 87 vertex of which 86 are kept as prefixes of interest. Removing 1 places using SCC suffix rule.5 ms
Computed a total of 16 stabilizing places and 21 stable transitions
Knowledge obtained : [(AND (NOT p1) p0), (X p0), (X (X p0)), (X (X (NOT p1)))]
False Knowledge obtained : []
Knowledge based reduction with 4 factoid took 96 ms. Reduced automaton from 4 states, 6 edges and 2 AP (stutter sensitive) to 4 states, 6 edges and 2 AP (stutter sensitive).
Stuttering acceptance computed with spot in 130 ms :[true, (NOT p1), (AND (NOT p1) (NOT p0)), (AND (NOT p0) (NOT p1))]
RANDOM walk for 40000 steps (8929 resets) in 188 ms. (211 steps per ms) remains 1/2 properties
BEST_FIRST walk for 40002 steps (1949 resets) in 66 ms. (597 steps per ms) remains 1/1 properties
[2025-06-06 00:26:23] [INFO ] Invariant cache hit.
[2025-06-06 00:26:23] [INFO ] State equation strengthened by 46 read => feed constraints.
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/2 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 1 (OVERLAPS) 51/53 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/53 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (OVERLAPS) 11/64 variables, 2/3 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/64 variables, 0/3 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (OVERLAPS) 3/67 variables, 1/4 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/67 variables, 0/4 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (OVERLAPS) 89/156 variables, 67/71 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/156 variables, 33/104 constraints. Problems are: Problem set: 0 solved, 1 unsolved
All remaining problems are real, not stopping.
At refinement iteration 9 (INCLUDED_ONLY) 0/156 variables, 0/104 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (OVERLAPS) 33/189 variables, 20/124 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/189 variables, 13/137 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 12 (INCLUDED_ONLY) 0/189 variables, 0/137 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 13 (OVERLAPS) 0/189 variables, 0/137 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Real declared 189/189 variables, and 137 constraints, problems are : Problem set: 0 solved, 1 unsolved in 88 ms.
Refiners :[Positive P Invariants (semi-flows): 2/2 constraints, Generalized P Invariants (flows): 2/2 constraints, State Equation: 87/87 constraints, ReadFeed: 46/46 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 1 unsolved
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/2 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 1 (OVERLAPS) 51/53 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/53 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (OVERLAPS) 11/64 variables, 2/3 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/64 variables, 0/3 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (OVERLAPS) 3/67 variables, 1/4 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/67 variables, 0/4 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (OVERLAPS) 89/156 variables, 67/71 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/156 variables, 33/104 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/156 variables, 0/104 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (OVERLAPS) 33/189 variables, 20/124 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/189 variables, 13/137 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 12 (INCLUDED_ONLY) 0/189 variables, 1/138 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 13 (INCLUDED_ONLY) 0/189 variables, 0/138 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 14 (OVERLAPS) 0/189 variables, 0/138 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Int declared 189/189 variables, and 138 constraints, problems are : Problem set: 0 solved, 1 unsolved in 226 ms.
Refiners :[Positive P Invariants (semi-flows): 2/2 constraints, Generalized P Invariants (flows): 2/2 constraints, State Equation: 87/87 constraints, ReadFeed: 46/46 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 319ms problems are : Problem set: 0 solved, 1 unsolved
Parikh walk visited 0 properties in 24 ms.
Support contains 2 out of 87 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 87/87 places, 102/102 transitions.
Graph (complete) has 244 edges and 87 vertex of which 86 are kept as prefixes of interest. Removing 1 places using SCC suffix rule.1 ms
Discarding 1 places :
Also discarding 0 output transitions
Drop transitions (Empty/Sink Transition effects.) removed 2 transitions
Reduce isomorphic transitions removed 2 transitions.
Iterating post reduction 0 with 2 rules applied. Total rules applied 3 place count 86 transition count 100
Applied a total of 3 rules in 4 ms. Remains 86 /87 variables (removed 1) and now considering 100/102 (removed 2) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 4 ms. Remains : 86/87 places, 100/102 transitions.
RANDOM walk for 40000 steps (9061 resets) in 66 ms. (597 steps per ms) remains 1/1 properties
BEST_FIRST walk for 40001 steps (1894 resets) in 26 ms. (1481 steps per ms) remains 1/1 properties
Finished probabilistic random walk after 25286 steps, run visited all 1 properties in 36 ms. (steps per millisecond=702 )
Probabilistic random walk after 25286 steps, saw 11777 distinct states, run finished after 36 ms. (steps per millisecond=702 ) properties seen :1
Knowledge obtained : [(AND (NOT p1) p0), (X p0), (X (X p0)), (X (X (NOT p1)))]
False Knowledge obtained : [(F (NOT p0)), (F p1)]
Knowledge based reduction with 4 factoid took 157 ms. Reduced automaton from 4 states, 6 edges and 2 AP (stutter sensitive) to 4 states, 6 edges and 2 AP (stutter sensitive).
Stuttering acceptance computed with spot in 139 ms :[true, (NOT p1), (AND (NOT p1) (NOT p0)), (AND (NOT p0) (NOT p1))]
Stuttering acceptance computed with spot in 142 ms :[true, (NOT p1), (AND (NOT p1) (NOT p0)), (AND (NOT p0) (NOT p1))]
Stuttering acceptance computed with spot in 123 ms :[true, (NOT p1), (AND (NOT p1) (NOT p0)), (AND (NOT p0) (NOT p1))]
Product exploration explored 100000 steps with 22322 reset in 131 ms.
Product exploration explored 100000 steps with 22482 reset in 174 ms.
Applying partial POR strategy [true, true, false, false]
Stuttering acceptance computed with spot in 121 ms :[true, (NOT p1), (AND (NOT p1) (NOT p0)), (AND (NOT p0) (NOT p1))]
Support contains 3 out of 87 places. Attempting structural reductions.
Starting structural reductions in SI_LTL mode, iteration 0 : 87/87 places, 102/102 transitions.
Applied a total of 0 rules in 7 ms. Remains 87 /87 variables (removed 0) and now considering 102/102 (removed 0) transitions.
Starting Z3 with timeout 200.0 s and query timeout 20000.0 ms
[2025-06-06 00:26:25] [INFO ] Redundant transitions in 3 ms returned []
Running 101 sub problems to find dead transitions.
[2025-06-06 00:26:25] [INFO ] Invariant cache hit.
[2025-06-06 00:26:25] [INFO ] State equation strengthened by 46 read => feed constraints.
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/86 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 101 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/86 variables, 2/3 constraints. Problems are: Problem set: 0 solved, 101 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/86 variables, 0/3 constraints. Problems are: Problem set: 0 solved, 101 unsolved
At refinement iteration 3 (OVERLAPS) 1/87 variables, 1/4 constraints. Problems are: Problem set: 0 solved, 101 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/87 variables, 0/4 constraints. Problems are: Problem set: 0 solved, 101 unsolved
At refinement iteration 5 (OVERLAPS) 102/189 variables, 87/91 constraints. Problems are: Problem set: 0 solved, 101 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/189 variables, 46/137 constraints. Problems are: Problem set: 0 solved, 101 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-06 00:26:27] [INFO ] Deduced a trap composed of 21 places in 40 ms of which 2 ms to minimize.
At refinement iteration 7 (INCLUDED_ONLY) 0/189 variables, 1/138 constraints. Problems are: Problem set: 0 solved, 101 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/189 variables, 0/138 constraints. Problems are: Problem set: 0 solved, 101 unsolved
At refinement iteration 9 (OVERLAPS) 0/189 variables, 0/138 constraints. Problems are: Problem set: 0 solved, 101 unsolved
No progress, stopping.
After SMT solving in domain Real declared 189/189 variables, and 138 constraints, problems are : Problem set: 0 solved, 101 unsolved in 6082 ms.
Refiners :[Positive P Invariants (semi-flows): 2/2 constraints, Generalized P Invariants (flows): 2/2 constraints, State Equation: 87/87 constraints, ReadFeed: 46/46 constraints, PredecessorRefiner: 101/101 constraints, Known Traps: 1/1 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 101 unsolved
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/86 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 101 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/86 variables, 2/3 constraints. Problems are: Problem set: 0 solved, 101 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/86 variables, 0/3 constraints. Problems are: Problem set: 0 solved, 101 unsolved
At refinement iteration 3 (OVERLAPS) 1/87 variables, 1/4 constraints. Problems are: Problem set: 0 solved, 101 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/87 variables, 1/5 constraints. Problems are: Problem set: 0 solved, 101 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/87 variables, 0/5 constraints. Problems are: Problem set: 0 solved, 101 unsolved
At refinement iteration 6 (OVERLAPS) 102/189 variables, 87/92 constraints. Problems are: Problem set: 0 solved, 101 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/189 variables, 46/138 constraints. Problems are: Problem set: 0 solved, 101 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/189 variables, 101/239 constraints. Problems are: Problem set: 0 solved, 101 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-06 00:26:34] [INFO ] Deduced a trap along path composed of 17 places in 32 ms of which 1 ms to minimize.
At refinement iteration 9 (INCLUDED_ONLY) 0/189 variables, 1/240 constraints. Problems are: Problem set: 0 solved, 101 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-06 00:26:40] [INFO ] Deduced a trap along path composed of 10 places in 26 ms of which 1 ms to minimize.
At refinement iteration 10 (INCLUDED_ONLY) 0/189 variables, 1/241 constraints. Problems are: Problem set: 0 solved, 101 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/189 variables, 0/241 constraints. Problems are: Problem set: 0 solved, 101 unsolved
At refinement iteration 12 (OVERLAPS) 0/189 variables, 0/241 constraints. Problems are: Problem set: 0 solved, 101 unsolved
No progress, stopping.
After SMT solving in domain Int declared 189/189 variables, and 241 constraints, problems are : Problem set: 0 solved, 101 unsolved in 23115 ms.
Refiners :[Positive P Invariants (semi-flows): 2/2 constraints, Generalized P Invariants (flows): 2/2 constraints, State Equation: 87/87 constraints, ReadFeed: 46/46 constraints, PredecessorRefiner: 101/101 constraints, Known Traps: 1/1 constraints, Known Traps Along Path: 2/2 constraints]
After SMT, in 29223ms problems are : Problem set: 0 solved, 101 unsolved
Search for dead transitions found 0 dead transitions in 29224ms
Finished structural reductions in SI_LTL mode , in 1 iterations and 29240 ms. Remains : 87/87 places, 102/102 transitions.
Built C files in :
/tmp/ltsmin8183326331802730741
[2025-06-06 00:26:54] [INFO ] Built C files in 9ms conformant to PINS (ltsmin variant)in folder :/tmp/ltsmin8183326331802730741
Running compilation step : cd /tmp/ltsmin8183326331802730741;'/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 334 ms.
Running link step : cd /tmp/ltsmin8183326331802730741;'gcc' '-shared' '-o' 'gal.so' 'model.o'
Link finished in 47 ms.
Running LTSmin : cd /tmp/ltsmin8183326331802730741;'/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.ltsmin.binaries_1.0.0.202505121319/bin/pins2lts-mc-linux64' './gal.so' '--threads=8' '--when' '--hoa' '/tmp/stateBased13320121725077765703.hoa' '--buchi-type=spotba'
LTSmin run took 1122 ms.
FORMULA SieveSingleMsgMbox-PT-d1m64-LTLFireability-04 FALSE TECHNIQUES EXPLICIT LTSMIN SAT_SMT
Treatment of property SieveSingleMsgMbox-PT-d1m64-LTLFireability-04 finished in 94202 ms.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202505121319/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!(G((F(p0)&&F(G(p1)))))'
Support contains 3 out of 141 places. Attempting structural reductions.
Starting structural reductions in SI_LTL mode, iteration 0 : 141/141 places, 260/260 transitions.
Discarding 16 places :
Symmetric choice reduction at 0 with 16 rule applications. Total rules 16 place count 125 transition count 160
Iterating global reduction 0 with 16 rules applied. Total rules applied 32 place count 125 transition count 160
Ensure Unique test removed 1 transitions
Reduce isomorphic transitions removed 1 transitions.
Iterating post reduction 0 with 1 rules applied. Total rules applied 33 place count 125 transition count 159
Discarding 15 places :
Symmetric choice reduction at 1 with 15 rule applications. Total rules 48 place count 110 transition count 143
Iterating global reduction 1 with 15 rules applied. Total rules applied 63 place count 110 transition count 143
Ensure Unique test removed 7 transitions
Reduce isomorphic transitions removed 7 transitions.
Iterating post reduction 1 with 7 rules applied. Total rules applied 70 place count 110 transition count 136
Discarding 9 places :
Symmetric choice reduction at 2 with 9 rule applications. Total rules 79 place count 101 transition count 127
Iterating global reduction 2 with 9 rules applied. Total rules applied 88 place count 101 transition count 127
Ensure Unique test removed 6 transitions
Reduce isomorphic transitions removed 6 transitions.
Iterating post reduction 2 with 6 rules applied. Total rules applied 94 place count 101 transition count 121
Discarding 2 places :
Symmetric choice reduction at 3 with 2 rule applications. Total rules 96 place count 99 transition count 119
Iterating global reduction 3 with 2 rules applied. Total rules applied 98 place count 99 transition count 119
Discarding 2 places :
Symmetric choice reduction at 3 with 2 rule applications. Total rules 100 place count 97 transition count 117
Iterating global reduction 3 with 2 rules applied. Total rules applied 102 place count 97 transition count 117
Discarding 1 places :
Symmetric choice reduction at 3 with 1 rule applications. Total rules 103 place count 96 transition count 116
Iterating global reduction 3 with 1 rules applied. Total rules applied 104 place count 96 transition count 116
Ensure Unique test removed 2 transitions
Reduce isomorphic transitions removed 2 transitions.
Iterating post reduction 3 with 2 rules applied. Total rules applied 106 place count 96 transition count 114
Discarding 1 places :
Symmetric choice reduction at 4 with 1 rule applications. Total rules 107 place count 95 transition count 113
Iterating global reduction 4 with 1 rules applied. Total rules applied 108 place count 95 transition count 113
Applied a total of 108 rules in 26 ms. Remains 95 /141 variables (removed 46) and now considering 113/260 (removed 147) transitions.
// Phase 1: matrix 113 rows 95 cols
[2025-06-06 00:26:56] [INFO ] Computed 4 invariants in 1 ms
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-06 00:26:56] [INFO ] Implicit Places using invariants in 68 ms returned []
[2025-06-06 00:26:56] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-06 00:26:56] [INFO ] State equation strengthened by 51 read => feed constraints.
[2025-06-06 00:26:56] [INFO ] Implicit Places using invariants and state equation in 315 ms returned []
Implicit Place search using SMT with State Equation took 385 ms to find 0 implicit places.
Starting Z3 with timeout 200.0 s and query timeout 20000.0 ms
[2025-06-06 00:26:56] [INFO ] Redundant transitions in 2 ms returned []
Running 112 sub problems to find dead transitions.
[2025-06-06 00:26:56] [INFO ] Invariant cache hit.
[2025-06-06 00:26:56] [INFO ] State equation strengthened by 51 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, 112 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/94 variables, 2/3 constraints. Problems are: Problem set: 0 solved, 112 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/94 variables, 0/3 constraints. Problems are: Problem set: 0 solved, 112 unsolved
At refinement iteration 3 (OVERLAPS) 1/95 variables, 1/4 constraints. Problems are: Problem set: 0 solved, 112 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/95 variables, 0/4 constraints. Problems are: Problem set: 0 solved, 112 unsolved
At refinement iteration 5 (OVERLAPS) 113/208 variables, 95/99 constraints. Problems are: Problem set: 0 solved, 112 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/208 variables, 51/150 constraints. Problems are: Problem set: 0 solved, 112 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-06 00:26:59] [INFO ] Deduced a trap composed of 21 places in 38 ms of which 2 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-06 00:26:59] [INFO ] Deduced a trap composed of 35 places in 35 ms of which 2 ms to minimize.
At refinement iteration 7 (INCLUDED_ONLY) 0/208 variables, 2/152 constraints. Problems are: Problem set: 0 solved, 112 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/208 variables, 0/152 constraints. Problems are: Problem set: 0 solved, 112 unsolved
At refinement iteration 9 (OVERLAPS) 0/208 variables, 0/152 constraints. Problems are: Problem set: 0 solved, 112 unsolved
No progress, stopping.
After SMT solving in domain Real declared 208/208 variables, and 152 constraints, problems are : Problem set: 0 solved, 112 unsolved in 7160 ms.
Refiners :[Positive P Invariants (semi-flows): 2/2 constraints, Generalized P Invariants (flows): 2/2 constraints, State Equation: 95/95 constraints, ReadFeed: 51/51 constraints, PredecessorRefiner: 112/112 constraints, Known Traps: 2/2 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 112 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, 112 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/94 variables, 2/3 constraints. Problems are: Problem set: 0 solved, 112 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/94 variables, 0/3 constraints. Problems are: Problem set: 0 solved, 112 unsolved
At refinement iteration 3 (OVERLAPS) 1/95 variables, 1/4 constraints. Problems are: Problem set: 0 solved, 112 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/95 variables, 2/6 constraints. Problems are: Problem set: 0 solved, 112 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/95 variables, 0/6 constraints. Problems are: Problem set: 0 solved, 112 unsolved
At refinement iteration 6 (OVERLAPS) 113/208 variables, 95/101 constraints. Problems are: Problem set: 0 solved, 112 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/208 variables, 51/152 constraints. Problems are: Problem set: 0 solved, 112 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/208 variables, 112/264 constraints. Problems are: Problem set: 0 solved, 112 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-06 00:27:08] [INFO ] Deduced a trap along path composed of 4 places in 25 ms of which 0 ms to minimize.
At refinement iteration 9 (INCLUDED_ONLY) 0/208 variables, 1/265 constraints. Problems are: Problem set: 0 solved, 112 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-06 00:27:13] [INFO ] Deduced a trap composed of 46 places in 46 ms of which 3 ms to minimize.
At refinement iteration 10 (INCLUDED_ONLY) 0/208 variables, 1/266 constraints. Problems are: Problem set: 0 solved, 112 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/208 variables, 0/266 constraints. Problems are: Problem set: 0 solved, 112 unsolved
At refinement iteration 12 (OVERLAPS) 0/208 variables, 0/266 constraints. Problems are: Problem set: 0 solved, 112 unsolved
No progress, stopping.
After SMT solving in domain Int declared 208/208 variables, and 266 constraints, problems are : Problem set: 0 solved, 112 unsolved in 30009 ms.
Refiners :[Positive P Invariants (semi-flows): 2/2 constraints, Generalized P Invariants (flows): 2/2 constraints, State Equation: 95/95 constraints, ReadFeed: 51/51 constraints, PredecessorRefiner: 112/112 constraints, Known Traps: 3/3 constraints, Known Traps Along Path: 1/1 constraints]
After SMT, in 37200ms problems are : Problem set: 0 solved, 112 unsolved
Search for dead transitions found 0 dead transitions in 37201ms
Starting structural reductions in SI_LTL mode, iteration 1 : 95/141 places, 113/260 transitions.
Finished structural reductions in SI_LTL mode , in 1 iterations and 37619 ms. Remains : 95/141 places, 113/260 transitions.
Stuttering acceptance computed with spot in 134 ms :[(OR (NOT p0) (NOT p1)), (NOT p0), (NOT p1)]
Running random walk in product with property : SieveSingleMsgMbox-PT-d1m64-LTLFireability-05
Stuttering criterion allowed to conclude after 2 steps with 0 reset in 1 ms.
FORMULA SieveSingleMsgMbox-PT-d1m64-LTLFireability-05 FALSE TECHNIQUES STUTTER_TEST
Treatment of property SieveSingleMsgMbox-PT-d1m64-LTLFireability-05 finished in 37771 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(((X(X(X(X(p0)))) U ((!p1&&X(X(X(X(p0)))))||X(X(X(X(G(p0))))))) U (G((X(X(X(X(p0)))) U ((!p1&&X(X(X(X(p0)))))||X(X(X(X(G(p0))))))))||(X(!p1)&&(X(X(X(X(p0)))) U ((!p1&&X(X(X(X(p0)))))||X(X(X(X(G(p0)))))))))))))'
Support contains 4 out of 141 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 141/141 places, 260/260 transitions.
Discarding 17 places :
Symmetric choice reduction at 0 with 17 rule applications. Total rules 17 place count 124 transition count 158
Iterating global reduction 0 with 17 rules applied. Total rules applied 34 place count 124 transition count 158
Ensure Unique test removed 1 transitions
Reduce isomorphic transitions removed 1 transitions.
Iterating post reduction 0 with 1 rules applied. Total rules applied 35 place count 124 transition count 157
Discarding 16 places :
Symmetric choice reduction at 1 with 16 rule applications. Total rules 51 place count 108 transition count 140
Iterating global reduction 1 with 16 rules applied. Total rules applied 67 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 74 place count 108 transition count 133
Discarding 10 places :
Symmetric choice reduction at 2 with 10 rule applications. Total rules 84 place count 98 transition count 123
Iterating global reduction 2 with 10 rules applied. Total rules applied 94 place count 98 transition count 123
Ensure Unique test removed 7 transitions
Reduce isomorphic transitions removed 7 transitions.
Iterating post reduction 2 with 7 rules applied. Total rules applied 101 place count 98 transition count 116
Discarding 3 places :
Symmetric choice reduction at 3 with 3 rule applications. Total rules 104 place count 95 transition count 113
Iterating global reduction 3 with 3 rules applied. Total rules applied 107 place count 95 transition count 113
Discarding 2 places :
Symmetric choice reduction at 3 with 2 rule applications. Total rules 109 place count 93 transition count 111
Iterating global reduction 3 with 2 rules applied. Total rules applied 111 place count 93 transition count 111
Discarding 1 places :
Symmetric choice reduction at 3 with 1 rule applications. Total rules 112 place count 92 transition count 109
Iterating global reduction 3 with 1 rules applied. Total rules applied 113 place count 92 transition count 109
Discarding 1 places :
Symmetric choice reduction at 3 with 1 rule applications. Total rules 114 place count 91 transition count 108
Iterating global reduction 3 with 1 rules applied. Total rules applied 115 place count 91 transition count 108
Discarding 1 places :
Symmetric choice reduction at 3 with 1 rule applications. Total rules 116 place count 90 transition count 107
Iterating global reduction 3 with 1 rules applied. Total rules applied 117 place count 90 transition count 107
Applied a total of 117 rules in 17 ms. Remains 90 /141 variables (removed 51) and now considering 107/260 (removed 153) transitions.
// Phase 1: matrix 107 rows 90 cols
[2025-06-06 00:27:34] [INFO ] Computed 4 invariants in 2 ms
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-06 00:27:34] [INFO ] Implicit Places using invariants in 52 ms returned []
[2025-06-06 00:27:34] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-06 00:27:34] [INFO ] State equation strengthened by 49 read => feed constraints.
[2025-06-06 00:27:34] [INFO ] Implicit Places using invariants and state equation in 225 ms returned []
Implicit Place search using SMT with State Equation took 279 ms to find 0 implicit places.
Running 106 sub problems to find dead transitions.
[2025-06-06 00:27:34] [INFO ] Invariant cache hit.
[2025-06-06 00:27:34] [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) 0/89 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 106 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/89 variables, 2/3 constraints. Problems are: Problem set: 0 solved, 106 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/89 variables, 0/3 constraints. Problems are: Problem set: 0 solved, 106 unsolved
At refinement iteration 3 (OVERLAPS) 1/90 variables, 1/4 constraints. Problems are: Problem set: 0 solved, 106 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/90 variables, 0/4 constraints. Problems are: Problem set: 0 solved, 106 unsolved
At refinement iteration 5 (OVERLAPS) 107/197 variables, 90/94 constraints. Problems are: Problem set: 0 solved, 106 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/197 variables, 49/143 constraints. Problems are: Problem set: 0 solved, 106 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/197 variables, 0/143 constraints. Problems are: Problem set: 0 solved, 106 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-06 00:27:37] [INFO ] Deduced a trap composed of 21 places in 41 ms of which 2 ms to minimize.
At refinement iteration 8 (OVERLAPS) 0/197 variables, 1/144 constraints. Problems are: Problem set: 0 solved, 106 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/197 variables, 0/144 constraints. Problems are: Problem set: 0 solved, 106 unsolved
At refinement iteration 10 (OVERLAPS) 0/197 variables, 0/144 constraints. Problems are: Problem set: 0 solved, 106 unsolved
No progress, stopping.
After SMT solving in domain Real declared 197/197 variables, and 144 constraints, problems are : Problem set: 0 solved, 106 unsolved in 7168 ms.
Refiners :[Positive P Invariants (semi-flows): 2/2 constraints, Generalized P Invariants (flows): 2/2 constraints, State Equation: 90/90 constraints, ReadFeed: 49/49 constraints, PredecessorRefiner: 106/106 constraints, Known Traps: 1/1 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 106 unsolved
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/89 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 106 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/89 variables, 2/3 constraints. Problems are: Problem set: 0 solved, 106 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/89 variables, 0/3 constraints. Problems are: Problem set: 0 solved, 106 unsolved
At refinement iteration 3 (OVERLAPS) 1/90 variables, 1/4 constraints. Problems are: Problem set: 0 solved, 106 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/90 variables, 1/5 constraints. Problems are: Problem set: 0 solved, 106 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/90 variables, 0/5 constraints. Problems are: Problem set: 0 solved, 106 unsolved
At refinement iteration 6 (OVERLAPS) 107/197 variables, 90/95 constraints. Problems are: Problem set: 0 solved, 106 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/197 variables, 49/144 constraints. Problems are: Problem set: 0 solved, 106 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/197 variables, 106/250 constraints. Problems are: Problem set: 0 solved, 106 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-06 00:27:45] [INFO ] Deduced a trap along path composed of 17 places in 29 ms of which 1 ms to minimize.
At refinement iteration 9 (INCLUDED_ONLY) 0/197 variables, 1/251 constraints. Problems are: Problem set: 0 solved, 106 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/197 variables, 0/251 constraints. Problems are: Problem set: 0 solved, 106 unsolved
At refinement iteration 11 (OVERLAPS) 0/197 variables, 0/251 constraints. Problems are: Problem set: 0 solved, 106 unsolved
No progress, stopping.
After SMT solving in domain Int declared 197/197 variables, and 251 constraints, problems are : Problem set: 0 solved, 106 unsolved in 16570 ms.
Refiners :[Positive P Invariants (semi-flows): 2/2 constraints, Generalized P Invariants (flows): 2/2 constraints, State Equation: 90/90 constraints, ReadFeed: 49/49 constraints, PredecessorRefiner: 106/106 constraints, Known Traps: 1/1 constraints, Known Traps Along Path: 1/1 constraints]
After SMT, in 23771ms problems are : Problem set: 0 solved, 106 unsolved
Search for dead transitions found 0 dead transitions in 23774ms
Starting structural reductions in LTL mode, iteration 1 : 90/141 places, 107/260 transitions.
Finished structural reductions in LTL mode , in 1 iterations and 24070 ms. Remains : 90/141 places, 107/260 transitions.
Stuttering acceptance computed with spot in 2626 ms :[(NOT p0), (AND p1 (NOT p0)), (NOT p0), false, (AND p1 (NOT p0)), (NOT p0), false, false, false, (AND p1 (NOT p0)), (NOT p0), (AND p1 (NOT p0)), (NOT p0), false, false, false, false, false, false, false, false, (AND p1 (NOT p0)), (NOT p0), (AND p1 (NOT p0)), (NOT p0), false, (AND p1 (NOT p0)), (NOT p0), (AND p1 (NOT p0)), (NOT p0), false, false, false, false, false, false, false, false, false, false, false, false, false, false, false, false, false, false, false, false]
Running random walk in product with property : SieveSingleMsgMbox-PT-d1m64-LTLFireability-07
Stuttering criterion allowed to conclude after 5 steps with 1 reset in 0 ms.
FORMULA SieveSingleMsgMbox-PT-d1m64-LTLFireability-07 FALSE TECHNIQUES STUTTER_TEST
Treatment of property SieveSingleMsgMbox-PT-d1m64-LTLFireability-07 finished in 26821 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(((p1||X(p2))&&p0))&&(p3 U X(X(p3)))))'
Support contains 4 out of 141 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 141/141 places, 260/260 transitions.
Discarding 16 places :
Symmetric choice reduction at 0 with 16 rule applications. Total rules 16 place count 125 transition count 167
Iterating global reduction 0 with 16 rules applied. Total rules applied 32 place count 125 transition count 167
Ensure Unique test removed 1 transitions
Reduce isomorphic transitions removed 1 transitions.
Iterating post reduction 0 with 1 rules applied. Total rules applied 33 place count 125 transition count 166
Discarding 15 places :
Symmetric choice reduction at 1 with 15 rule applications. Total rules 48 place count 110 transition count 150
Iterating global reduction 1 with 15 rules applied. Total rules applied 63 place count 110 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 69 place count 110 transition count 144
Discarding 8 places :
Symmetric choice reduction at 2 with 8 rule applications. Total rules 77 place count 102 transition count 136
Iterating global reduction 2 with 8 rules applied. Total rules applied 85 place count 102 transition count 136
Ensure Unique test removed 5 transitions
Reduce isomorphic transitions removed 5 transitions.
Iterating post reduction 2 with 5 rules applied. Total rules applied 90 place count 102 transition count 131
Discarding 1 places :
Symmetric choice reduction at 3 with 1 rule applications. Total rules 91 place count 101 transition count 130
Iterating global reduction 3 with 1 rules applied. Total rules applied 92 place count 101 transition count 130
Discarding 1 places :
Symmetric choice reduction at 3 with 1 rule applications. Total rules 93 place count 100 transition count 129
Iterating global reduction 3 with 1 rules applied. Total rules applied 94 place count 100 transition count 129
Discarding 1 places :
Symmetric choice reduction at 3 with 1 rule applications. Total rules 95 place count 99 transition count 127
Iterating global reduction 3 with 1 rules applied. Total rules applied 96 place count 99 transition count 127
Discarding 1 places :
Symmetric choice reduction at 3 with 1 rule applications. Total rules 97 place count 98 transition count 126
Iterating global reduction 3 with 1 rules applied. Total rules applied 98 place count 98 transition count 126
Discarding 1 places :
Symmetric choice reduction at 3 with 1 rule applications. Total rules 99 place count 97 transition count 125
Iterating global reduction 3 with 1 rules applied. Total rules applied 100 place count 97 transition count 125
Applied a total of 100 rules in 16 ms. Remains 97 /141 variables (removed 44) and now considering 125/260 (removed 135) transitions.
// Phase 1: matrix 125 rows 97 cols
[2025-06-06 00:28:00] [INFO ] Computed 4 invariants in 0 ms
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-06 00:28:00] [INFO ] Implicit Places using invariants in 55 ms returned []
[2025-06-06 00:28:00] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-06 00:28:00] [INFO ] State equation strengthened by 62 read => feed constraints.
[2025-06-06 00:28:01] [INFO ] Implicit Places using invariants and state equation in 247 ms returned []
Implicit Place search using SMT with State Equation took 304 ms to find 0 implicit places.
Running 124 sub problems to find dead transitions.
[2025-06-06 00:28:01] [INFO ] Invariant cache hit.
[2025-06-06 00:28:01] [INFO ] State equation strengthened by 62 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, 2/3 constraints. Problems are: Problem set: 0 solved, 124 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/96 variables, 0/3 constraints. Problems are: Problem set: 0 solved, 124 unsolved
At refinement iteration 3 (OVERLAPS) 1/97 variables, 1/4 constraints. Problems are: Problem set: 0 solved, 124 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/97 variables, 0/4 constraints. Problems are: Problem set: 0 solved, 124 unsolved
At refinement iteration 5 (OVERLAPS) 125/222 variables, 97/101 constraints. Problems are: Problem set: 0 solved, 124 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/222 variables, 62/163 constraints. Problems are: Problem set: 0 solved, 124 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-06 00:28:03] [INFO ] Deduced a trap composed of 21 places in 35 ms of which 2 ms to minimize.
At refinement iteration 7 (INCLUDED_ONLY) 0/222 variables, 1/164 constraints. Problems are: Problem set: 0 solved, 124 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/222 variables, 0/164 constraints. Problems are: Problem set: 0 solved, 124 unsolved
At refinement iteration 9 (OVERLAPS) 0/222 variables, 0/164 constraints. Problems are: Problem set: 0 solved, 124 unsolved
No progress, stopping.
After SMT solving in domain Real declared 222/222 variables, and 164 constraints, problems are : Problem set: 0 solved, 124 unsolved in 8644 ms.
Refiners :[Positive P Invariants (semi-flows): 2/2 constraints, Generalized P Invariants (flows): 2/2 constraints, State Equation: 97/97 constraints, ReadFeed: 62/62 constraints, PredecessorRefiner: 124/124 constraints, Known Traps: 1/1 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, 2/3 constraints. Problems are: Problem set: 0 solved, 124 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/96 variables, 0/3 constraints. Problems are: Problem set: 0 solved, 124 unsolved
At refinement iteration 3 (OVERLAPS) 1/97 variables, 1/4 constraints. Problems are: Problem set: 0 solved, 124 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/97 variables, 1/5 constraints. Problems are: Problem set: 0 solved, 124 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/97 variables, 0/5 constraints. Problems are: Problem set: 0 solved, 124 unsolved
At refinement iteration 6 (OVERLAPS) 125/222 variables, 97/102 constraints. Problems are: Problem set: 0 solved, 124 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/222 variables, 62/164 constraints. Problems are: Problem set: 0 solved, 124 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/222 variables, 124/288 constraints. Problems are: Problem set: 0 solved, 124 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/222 variables, 0/288 constraints. Problems are: Problem set: 0 solved, 124 unsolved
At refinement iteration 10 (OVERLAPS) 0/222 variables, 0/288 constraints. Problems are: Problem set: 0 solved, 124 unsolved
No progress, stopping.
After SMT solving in domain Int declared 222/222 variables, and 288 constraints, problems are : Problem set: 0 solved, 124 unsolved in 14992 ms.
Refiners :[Positive P Invariants (semi-flows): 2/2 constraints, Generalized P Invariants (flows): 2/2 constraints, State Equation: 97/97 constraints, ReadFeed: 62/62 constraints, PredecessorRefiner: 124/124 constraints, Known Traps: 1/1 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 23675ms problems are : Problem set: 0 solved, 124 unsolved
Search for dead transitions found 0 dead transitions in 23676ms
Starting structural reductions in LTL mode, iteration 1 : 97/141 places, 125/260 transitions.
Finished structural reductions in LTL mode , in 1 iterations and 23996 ms. Remains : 97/141 places, 125/260 transitions.
Stuttering acceptance computed with spot in 328 ms :[(OR (NOT p3) (NOT p0) (AND (NOT p1) (NOT p2))), (OR (NOT p0) (AND (NOT p1) (NOT p2))), (NOT p3), (NOT p3), (OR (AND (NOT p0) (NOT p2)) (AND (NOT p1) (NOT p2))), (NOT p3), true, (NOT p3), (NOT p3)]
Running random walk in product with property : SieveSingleMsgMbox-PT-d1m64-LTLFireability-09
Entered a terminal (fully accepting) state of product in 2 steps with 0 reset in 0 ms.
FORMULA SieveSingleMsgMbox-PT-d1m64-LTLFireability-09 FALSE TECHNIQUES STUTTER_TEST
Treatment of property SieveSingleMsgMbox-PT-d1m64-LTLFireability-09 finished in 24346 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)||G(!p0))))'
Support contains 2 out of 141 places. Attempting structural reductions.
Starting structural reductions in SI_LTL mode, iteration 0 : 141/141 places, 260/260 transitions.
Discarding 17 places :
Symmetric choice reduction at 0 with 17 rule applications. Total rules 17 place count 124 transition count 158
Iterating global reduction 0 with 17 rules applied. Total rules applied 34 place count 124 transition count 158
Ensure Unique test removed 1 transitions
Reduce isomorphic transitions removed 1 transitions.
Iterating post reduction 0 with 1 rules applied. Total rules applied 35 place count 124 transition count 157
Discarding 16 places :
Symmetric choice reduction at 1 with 16 rule applications. Total rules 51 place count 108 transition count 140
Iterating global reduction 1 with 16 rules applied. Total rules applied 67 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 74 place count 108 transition count 133
Discarding 10 places :
Symmetric choice reduction at 2 with 10 rule applications. Total rules 84 place count 98 transition count 123
Iterating global reduction 2 with 10 rules applied. Total rules applied 94 place count 98 transition count 123
Ensure Unique test removed 7 transitions
Reduce isomorphic transitions removed 7 transitions.
Iterating post reduction 2 with 7 rules applied. Total rules applied 101 place count 98 transition count 116
Discarding 3 places :
Symmetric choice reduction at 3 with 3 rule applications. Total rules 104 place count 95 transition count 113
Iterating global reduction 3 with 3 rules applied. Total rules applied 107 place count 95 transition count 113
Discarding 3 places :
Symmetric choice reduction at 3 with 3 rule applications. Total rules 110 place count 92 transition count 110
Iterating global reduction 3 with 3 rules applied. Total rules applied 113 place count 92 transition count 110
Discarding 2 places :
Symmetric choice reduction at 3 with 2 rule applications. Total rules 115 place count 90 transition count 107
Iterating global reduction 3 with 2 rules applied. Total rules applied 117 place count 90 transition count 107
Ensure Unique test removed 2 transitions
Reduce isomorphic transitions removed 2 transitions.
Iterating post reduction 3 with 2 rules applied. Total rules applied 119 place count 90 transition count 105
Discarding 2 places :
Symmetric choice reduction at 4 with 2 rule applications. Total rules 121 place count 88 transition count 103
Iterating global reduction 4 with 2 rules applied. Total rules applied 123 place count 88 transition count 103
Discarding 1 places :
Symmetric choice reduction at 4 with 1 rule applications. Total rules 124 place count 87 transition count 102
Iterating global reduction 4 with 1 rules applied. Total rules applied 125 place count 87 transition count 102
Applied a total of 125 rules in 20 ms. Remains 87 /141 variables (removed 54) and now considering 102/260 (removed 158) transitions.
// Phase 1: matrix 102 rows 87 cols
[2025-06-06 00:28:25] [INFO ] Computed 4 invariants in 0 ms
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-06 00:28:25] [INFO ] Implicit Places using invariants in 51 ms returned []
[2025-06-06 00:28:25] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-06 00:28:25] [INFO ] State equation strengthened by 46 read => feed constraints.
[2025-06-06 00:28:25] [INFO ] Implicit Places using invariants and state equation in 197 ms returned []
Implicit Place search using SMT with State Equation took 248 ms to find 0 implicit places.
Starting Z3 with timeout 200.0 s and query timeout 20000.0 ms
[2025-06-06 00:28:25] [INFO ] Redundant transitions in 1 ms returned []
Running 101 sub problems to find dead transitions.
[2025-06-06 00:28:25] [INFO ] Invariant cache hit.
[2025-06-06 00:28:25] [INFO ] State equation strengthened by 46 read => feed constraints.
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/86 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 101 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/86 variables, 2/3 constraints. Problems are: Problem set: 0 solved, 101 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/86 variables, 0/3 constraints. Problems are: Problem set: 0 solved, 101 unsolved
At refinement iteration 3 (OVERLAPS) 1/87 variables, 1/4 constraints. Problems are: Problem set: 0 solved, 101 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/87 variables, 0/4 constraints. Problems are: Problem set: 0 solved, 101 unsolved
At refinement iteration 5 (OVERLAPS) 102/189 variables, 87/91 constraints. Problems are: Problem set: 0 solved, 101 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/189 variables, 46/137 constraints. Problems are: Problem set: 0 solved, 101 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-06 00:28:27] [INFO ] Deduced a trap composed of 21 places in 41 ms of which 2 ms to minimize.
At refinement iteration 7 (INCLUDED_ONLY) 0/189 variables, 1/138 constraints. Problems are: Problem set: 0 solved, 101 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/189 variables, 0/138 constraints. Problems are: Problem set: 0 solved, 101 unsolved
At refinement iteration 9 (OVERLAPS) 0/189 variables, 0/138 constraints. Problems are: Problem set: 0 solved, 101 unsolved
No progress, stopping.
After SMT solving in domain Real declared 189/189 variables, and 138 constraints, problems are : Problem set: 0 solved, 101 unsolved in 6047 ms.
Refiners :[Positive P Invariants (semi-flows): 2/2 constraints, Generalized P Invariants (flows): 2/2 constraints, State Equation: 87/87 constraints, ReadFeed: 46/46 constraints, PredecessorRefiner: 101/101 constraints, Known Traps: 1/1 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 101 unsolved
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/86 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 101 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/86 variables, 2/3 constraints. Problems are: Problem set: 0 solved, 101 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/86 variables, 0/3 constraints. Problems are: Problem set: 0 solved, 101 unsolved
At refinement iteration 3 (OVERLAPS) 1/87 variables, 1/4 constraints. Problems are: Problem set: 0 solved, 101 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/87 variables, 1/5 constraints. Problems are: Problem set: 0 solved, 101 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/87 variables, 0/5 constraints. Problems are: Problem set: 0 solved, 101 unsolved
At refinement iteration 6 (OVERLAPS) 102/189 variables, 87/92 constraints. Problems are: Problem set: 0 solved, 101 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/189 variables, 46/138 constraints. Problems are: Problem set: 0 solved, 101 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/189 variables, 101/239 constraints. Problems are: Problem set: 0 solved, 101 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-06 00:28:34] [INFO ] Deduced a trap along path composed of 17 places in 26 ms of which 1 ms to minimize.
At refinement iteration 9 (INCLUDED_ONLY) 0/189 variables, 1/240 constraints. Problems are: Problem set: 0 solved, 101 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-06 00:28:40] [INFO ] Deduced a trap along path composed of 10 places in 24 ms of which 0 ms to minimize.
At refinement iteration 10 (INCLUDED_ONLY) 0/189 variables, 1/241 constraints. Problems are: Problem set: 0 solved, 101 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/189 variables, 0/241 constraints. Problems are: Problem set: 0 solved, 101 unsolved
At refinement iteration 12 (OVERLAPS) 0/189 variables, 0/241 constraints. Problems are: Problem set: 0 solved, 101 unsolved
No progress, stopping.
After SMT solving in domain Int declared 189/189 variables, and 241 constraints, problems are : Problem set: 0 solved, 101 unsolved in 23420 ms.
Refiners :[Positive P Invariants (semi-flows): 2/2 constraints, Generalized P Invariants (flows): 2/2 constraints, State Equation: 87/87 constraints, ReadFeed: 46/46 constraints, PredecessorRefiner: 101/101 constraints, Known Traps: 1/1 constraints, Known Traps Along Path: 2/2 constraints]
After SMT, in 29493ms problems are : Problem set: 0 solved, 101 unsolved
Search for dead transitions found 0 dead transitions in 29493ms
Starting structural reductions in SI_LTL mode, iteration 1 : 87/141 places, 102/260 transitions.
Finished structural reductions in SI_LTL mode , in 1 iterations and 29769 ms. Remains : 87/141 places, 102/260 transitions.
Stuttering acceptance computed with spot in 40 ms :[false]
Running random walk in product with property : SieveSingleMsgMbox-PT-d1m64-LTLFireability-12
Product exploration explored 100000 steps with 22388 reset in 156 ms.
Product exploration explored 100000 steps with 22447 reset in 184 ms.
Computed a total of 16 stabilizing places and 21 stable transitions
Graph (complete) has 277 edges and 87 vertex of which 86 are kept as prefixes of interest. Removing 1 places using SCC suffix rule.2 ms
Computed a total of 16 stabilizing places and 21 stable transitions
Knowledge obtained : [(NOT p0), (X (NOT p0)), (X (X (NOT p0)))]
False Knowledge obtained : []
Knowledge based reduction with 3 factoid took 70 ms. Reduced automaton from 1 states, 2 edges and 1 AP (stutter insensitive) to 1 states, 2 edges and 1 AP (stutter insensitive).
Stuttering acceptance computed with spot in 32 ms :[false]
RANDOM walk for 40000 steps (9082 resets) in 66 ms. (597 steps per ms) remains 1/1 properties
BEST_FIRST walk for 40001 steps (1942 resets) in 35 ms. (1111 steps per ms) remains 1/1 properties
Finished probabilistic random walk after 25303 steps, run visited all 1 properties in 36 ms. (steps per millisecond=702 )
Probabilistic random walk after 25303 steps, saw 11784 distinct states, run finished after 36 ms. (steps per millisecond=702 ) 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 116 ms. Reduced automaton from 1 states, 2 edges and 1 AP (stutter insensitive) to 1 states, 2 edges and 1 AP (stutter insensitive).
Stuttering acceptance computed with spot in 38 ms :[false]
Stuttering acceptance computed with spot in 31 ms :[false]
Support contains 2 out of 87 places. Attempting structural reductions.
Starting structural reductions in SI_LTL mode, iteration 0 : 87/87 places, 102/102 transitions.
Applied a total of 0 rules in 3 ms. Remains 87 /87 variables (removed 0) and now considering 102/102 (removed 0) transitions.
[2025-06-06 00:28:55] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-06 00:28:55] [INFO ] Implicit Places using invariants in 55 ms returned []
[2025-06-06 00:28:55] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-06 00:28:55] [INFO ] State equation strengthened by 46 read => feed constraints.
[2025-06-06 00:28:55] [INFO ] Implicit Places using invariants and state equation in 200 ms returned []
Implicit Place search using SMT with State Equation took 256 ms to find 0 implicit places.
Starting Z3 with timeout 200.0 s and query timeout 20000.0 ms
[2025-06-06 00:28:55] [INFO ] Redundant transitions in 1 ms returned []
Running 101 sub problems to find dead transitions.
[2025-06-06 00:28:55] [INFO ] Invariant cache hit.
[2025-06-06 00:28:55] [INFO ] State equation strengthened by 46 read => feed constraints.
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/86 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 101 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/86 variables, 2/3 constraints. Problems are: Problem set: 0 solved, 101 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/86 variables, 0/3 constraints. Problems are: Problem set: 0 solved, 101 unsolved
At refinement iteration 3 (OVERLAPS) 1/87 variables, 1/4 constraints. Problems are: Problem set: 0 solved, 101 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/87 variables, 0/4 constraints. Problems are: Problem set: 0 solved, 101 unsolved
At refinement iteration 5 (OVERLAPS) 102/189 variables, 87/91 constraints. Problems are: Problem set: 0 solved, 101 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/189 variables, 46/137 constraints. Problems are: Problem set: 0 solved, 101 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-06 00:28:58] [INFO ] Deduced a trap composed of 21 places in 38 ms of which 2 ms to minimize.
At refinement iteration 7 (INCLUDED_ONLY) 0/189 variables, 1/138 constraints. Problems are: Problem set: 0 solved, 101 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/189 variables, 0/138 constraints. Problems are: Problem set: 0 solved, 101 unsolved
At refinement iteration 9 (OVERLAPS) 0/189 variables, 0/138 constraints. Problems are: Problem set: 0 solved, 101 unsolved
No progress, stopping.
After SMT solving in domain Real declared 189/189 variables, and 138 constraints, problems are : Problem set: 0 solved, 101 unsolved in 6197 ms.
Refiners :[Positive P Invariants (semi-flows): 2/2 constraints, Generalized P Invariants (flows): 2/2 constraints, State Equation: 87/87 constraints, ReadFeed: 46/46 constraints, PredecessorRefiner: 101/101 constraints, Known Traps: 1/1 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 101 unsolved
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/86 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 101 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/86 variables, 2/3 constraints. Problems are: Problem set: 0 solved, 101 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/86 variables, 0/3 constraints. Problems are: Problem set: 0 solved, 101 unsolved
At refinement iteration 3 (OVERLAPS) 1/87 variables, 1/4 constraints. Problems are: Problem set: 0 solved, 101 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/87 variables, 1/5 constraints. Problems are: Problem set: 0 solved, 101 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/87 variables, 0/5 constraints. Problems are: Problem set: 0 solved, 101 unsolved
At refinement iteration 6 (OVERLAPS) 102/189 variables, 87/92 constraints. Problems are: Problem set: 0 solved, 101 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/189 variables, 46/138 constraints. Problems are: Problem set: 0 solved, 101 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/189 variables, 101/239 constraints. Problems are: Problem set: 0 solved, 101 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-06 00:29:05] [INFO ] Deduced a trap along path composed of 17 places in 27 ms of which 1 ms to minimize.
At refinement iteration 9 (INCLUDED_ONLY) 0/189 variables, 1/240 constraints. Problems are: Problem set: 0 solved, 101 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-06 00:29:10] [INFO ] Deduced a trap along path composed of 10 places in 23 ms of which 1 ms to minimize.
At refinement iteration 10 (INCLUDED_ONLY) 0/189 variables, 1/241 constraints. Problems are: Problem set: 0 solved, 101 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/189 variables, 0/241 constraints. Problems are: Problem set: 0 solved, 101 unsolved
At refinement iteration 12 (OVERLAPS) 0/189 variables, 0/241 constraints. Problems are: Problem set: 0 solved, 101 unsolved
No progress, stopping.
After SMT solving in domain Int declared 189/189 variables, and 241 constraints, problems are : Problem set: 0 solved, 101 unsolved in 23402 ms.
Refiners :[Positive P Invariants (semi-flows): 2/2 constraints, Generalized P Invariants (flows): 2/2 constraints, State Equation: 87/87 constraints, ReadFeed: 46/46 constraints, PredecessorRefiner: 101/101 constraints, Known Traps: 1/1 constraints, Known Traps Along Path: 2/2 constraints]
After SMT, in 29628ms problems are : Problem set: 0 solved, 101 unsolved
Search for dead transitions found 0 dead transitions in 29629ms
Finished structural reductions in SI_LTL mode , in 1 iterations and 29894 ms. Remains : 87/87 places, 102/102 transitions.
Computed a total of 16 stabilizing places and 21 stable transitions
Graph (complete) has 277 edges and 87 vertex of which 86 are kept as prefixes of interest. Removing 1 places using SCC suffix rule.4 ms
Computed a total of 16 stabilizing places and 21 stable transitions
Knowledge obtained : [(NOT p0), (X (NOT p0)), (X (X (NOT p0)))]
False Knowledge obtained : []
Knowledge based reduction with 3 factoid took 55 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 37 ms :[false]
RANDOM walk for 40000 steps (8982 resets) in 80 ms. (493 steps per ms) remains 1/1 properties
BEST_FIRST walk for 40001 steps (1883 resets) in 24 ms. (1600 steps per ms) remains 1/1 properties
Finished probabilistic random walk after 25303 steps, run visited all 1 properties in 37 ms. (steps per millisecond=683 )
Probabilistic random walk after 25303 steps, saw 11784 distinct states, run finished after 37 ms. (steps per millisecond=683 ) 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 111 ms. Reduced automaton from 1 states, 2 edges and 1 AP (stutter insensitive) to 1 states, 2 edges and 1 AP (stutter insensitive).
Stuttering acceptance computed with spot in 32 ms :[false]
Stuttering acceptance computed with spot in 38 ms :[false]
Stuttering acceptance computed with spot in 32 ms :[false]
Product exploration explored 100000 steps with 22430 reset in 125 ms.
Product exploration explored 100000 steps with 22411 reset in 230 ms.
Built C files in :
/tmp/ltsmin8430147376683415247
[2025-06-06 00:29:26] [INFO ] Computing symmetric may disable matrix : 102 transitions.
[2025-06-06 00:29:26] [INFO ] Computation of Complete disable matrix. took 2 ms. Total solver calls (SAT/UNSAT): 0(0/0)
[2025-06-06 00:29:26] [INFO ] Computing symmetric may enable matrix : 102 transitions.
[2025-06-06 00:29:26] [INFO ] Computation of Complete enable matrix. took 1 ms. Total solver calls (SAT/UNSAT): 0(0/0)
[2025-06-06 00:29:26] [INFO ] Computing Do-Not-Accords matrix : 102 transitions.
[2025-06-06 00:29:26] [INFO ] Computation of Completed DNA matrix. took 1 ms. Total solver calls (SAT/UNSAT): 0(0/0)
[2025-06-06 00:29:26] [INFO ] Built C files in 16ms conformant to PINS (ltsmin variant)in folder :/tmp/ltsmin8430147376683415247
Running compilation step : cd /tmp/ltsmin8430147376683415247;'/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 209 ms.
Running link step : cd /tmp/ltsmin8430147376683415247;'gcc' '-shared' '-o' 'gal.so' 'model.o'
Link finished in 30 ms.
Running LTSmin : cd /tmp/ltsmin8430147376683415247;'/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/stateBased12911817959833537064.hoa' '--buchi-type=spotba'
LTSmin run took 197 ms.
FORMULA SieveSingleMsgMbox-PT-d1m64-LTLFireability-12 FALSE TECHNIQUES PARTIAL_ORDER EXPLICIT LTSMIN SAT_SMT
Treatment of property SieveSingleMsgMbox-PT-d1m64-LTLFireability-12 finished in 61682 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&&((!p2 U (p3||G(!p2)))||p1)))))'
Support contains 5 out of 141 places. Attempting structural reductions.
Starting structural reductions in SI_LTL mode, iteration 0 : 141/141 places, 260/260 transitions.
Discarding 15 places :
Symmetric choice reduction at 0 with 15 rule applications. Total rules 15 place count 126 transition count 169
Iterating global reduction 0 with 15 rules applied. Total rules applied 30 place count 126 transition count 169
Ensure Unique test removed 1 transitions
Reduce isomorphic transitions removed 1 transitions.
Iterating post reduction 0 with 1 rules applied. Total rules applied 31 place count 126 transition count 168
Discarding 14 places :
Symmetric choice reduction at 1 with 14 rule applications. Total rules 45 place count 112 transition count 153
Iterating global reduction 1 with 14 rules applied. Total rules applied 59 place count 112 transition count 153
Ensure Unique test removed 6 transitions
Reduce isomorphic transitions removed 6 transitions.
Iterating post reduction 1 with 6 rules applied. Total rules applied 65 place count 112 transition count 147
Discarding 7 places :
Symmetric choice reduction at 2 with 7 rule applications. Total rules 72 place count 105 transition count 140
Iterating global reduction 2 with 7 rules applied. Total rules applied 79 place count 105 transition count 140
Ensure Unique test removed 4 transitions
Reduce isomorphic transitions removed 4 transitions.
Iterating post reduction 2 with 4 rules applied. Total rules applied 83 place count 105 transition count 136
Applied a total of 83 rules in 17 ms. Remains 105 /141 variables (removed 36) and now considering 136/260 (removed 124) transitions.
// Phase 1: matrix 136 rows 105 cols
[2025-06-06 00:29:26] [INFO ] Computed 4 invariants in 2 ms
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-06 00:29:26] [INFO ] Implicit Places using invariants in 62 ms returned []
[2025-06-06 00:29:26] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-06 00:29:26] [INFO ] State equation strengthened by 67 read => feed constraints.
[2025-06-06 00:29:27] [INFO ] Implicit Places using invariants and state equation in 322 ms returned []
Implicit Place search using SMT with State Equation took 386 ms to find 0 implicit places.
Starting Z3 with timeout 200.0 s and query timeout 20000.0 ms
[2025-06-06 00:29:27] [INFO ] Redundant transitions in 2 ms returned []
Running 135 sub problems to find dead transitions.
[2025-06-06 00:29:27] [INFO ] Invariant cache hit.
[2025-06-06 00:29:27] [INFO ] State equation strengthened by 67 read => feed constraints.
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/104 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 135 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/104 variables, 2/3 constraints. Problems are: Problem set: 0 solved, 135 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/104 variables, 0/3 constraints. Problems are: Problem set: 0 solved, 135 unsolved
At refinement iteration 3 (OVERLAPS) 1/105 variables, 1/4 constraints. Problems are: Problem set: 0 solved, 135 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/105 variables, 0/4 constraints. Problems are: Problem set: 0 solved, 135 unsolved
At refinement iteration 5 (OVERLAPS) 136/241 variables, 105/109 constraints. Problems are: Problem set: 0 solved, 135 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/241 variables, 67/176 constraints. Problems are: Problem set: 0 solved, 135 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/241 variables, 0/176 constraints. Problems are: Problem set: 0 solved, 135 unsolved
At refinement iteration 8 (OVERLAPS) 0/241 variables, 0/176 constraints. Problems are: Problem set: 0 solved, 135 unsolved
No progress, stopping.
After SMT solving in domain Real declared 241/241 variables, and 176 constraints, problems are : Problem set: 0 solved, 135 unsolved in 8222 ms.
Refiners :[Positive P Invariants (semi-flows): 2/2 constraints, Generalized P Invariants (flows): 2/2 constraints, State Equation: 105/105 constraints, ReadFeed: 67/67 constraints, PredecessorRefiner: 135/135 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 135 unsolved
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/104 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 135 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/104 variables, 2/3 constraints. Problems are: Problem set: 0 solved, 135 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/104 variables, 0/3 constraints. Problems are: Problem set: 0 solved, 135 unsolved
At refinement iteration 3 (OVERLAPS) 1/105 variables, 1/4 constraints. Problems are: Problem set: 0 solved, 135 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/105 variables, 0/4 constraints. Problems are: Problem set: 0 solved, 135 unsolved
At refinement iteration 5 (OVERLAPS) 136/241 variables, 105/109 constraints. Problems are: Problem set: 0 solved, 135 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/241 variables, 67/176 constraints. Problems are: Problem set: 0 solved, 135 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/241 variables, 135/311 constraints. Problems are: Problem set: 0 solved, 135 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-06 00:29:39] [INFO ] Deduced a trap composed of 21 places in 38 ms of which 2 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-06 00:29:39] [INFO ] Deduced a trap composed of 35 places in 36 ms of which 2 ms to minimize.
At refinement iteration 8 (INCLUDED_ONLY) 0/241 variables, 2/313 constraints. Problems are: Problem set: 0 solved, 135 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-06 00:29:45] [INFO ] Deduced a trap along path composed of 20 places in 27 ms of which 0 ms to minimize.
At refinement iteration 9 (INCLUDED_ONLY) 0/241 variables, 1/314 constraints. Problems are: Problem set: 0 solved, 135 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/241 variables, 0/314 constraints. Problems are: Problem set: 0 solved, 135 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 241/241 variables, and 314 constraints, problems are : Problem set: 0 solved, 135 unsolved in 30019 ms.
Refiners :[Positive P Invariants (semi-flows): 2/2 constraints, Generalized P Invariants (flows): 2/2 constraints, State Equation: 105/105 constraints, ReadFeed: 67/67 constraints, PredecessorRefiner: 135/135 constraints, Known Traps: 2/2 constraints, Known Traps Along Path: 1/1 constraints]
After SMT, in 38284ms problems are : Problem set: 0 solved, 135 unsolved
Search for dead transitions found 0 dead transitions in 38284ms
Starting structural reductions in SI_LTL mode, iteration 1 : 105/141 places, 136/260 transitions.
Finished structural reductions in SI_LTL mode , in 1 iterations and 38694 ms. Remains : 105/141 places, 136/260 transitions.
Stuttering acceptance computed with spot in 102 ms :[(OR (NOT p0) (AND (NOT p1) p2 (NOT p3))), (OR (NOT p0) (AND (NOT p1) p2 (NOT p3)))]
Running random walk in product with property : SieveSingleMsgMbox-PT-d1m64-LTLFireability-13
Product exploration explored 100000 steps with 22497 reset in 195 ms.
Product exploration explored 100000 steps with 22334 reset in 203 ms.
Computed a total of 21 stabilizing places and 28 stable transitions
Graph (complete) has 345 edges and 105 vertex of which 104 are kept as prefixes of interest. Removing 1 places using SCC suffix rule.1 ms
Computed a total of 21 stabilizing places and 28 stable transitions
Knowledge obtained : [(AND p3 p0 p1 (NOT p2)), (X (NOT p2)), (X (NOT (AND (NOT p3) (NOT p2) (NOT p1) p0))), (X (NOT (OR (AND (NOT p3) p2) (NOT p0)))), (X p3), (X (AND p3 p0)), (X (NOT (AND (NOT p3) (NOT p2) p0))), (X (OR (AND p3 p0) (AND p1 p0))), (X (NOT (OR (AND (NOT p3) p2 (NOT p1)) (NOT p0)))), (X p0), (X p1), (X (X (NOT p2))), (X (X (NOT (AND (NOT p3) (NOT p2) (NOT p1) p0)))), (X (X (NOT (OR (AND (NOT p3) p2) (NOT p0))))), (X (X p3)), (X (X (AND p3 p0))), (X (X (NOT (AND (NOT p3) (NOT p2) p0)))), (X (X (OR (AND p3 p0) (AND p1 p0)))), (X (X (NOT (OR (AND (NOT p3) p2 (NOT p1)) (NOT p0))))), (X (X p0)), (X (X p1))]
False Knowledge obtained : []
Knowledge based reduction with 21 factoid took 119 ms. Reduced automaton from 2 states, 6 edges and 4 AP (stutter insensitive) to 2 states, 6 edges and 4 AP (stutter insensitive).
Stuttering acceptance computed with spot in 123 ms :[(OR (NOT p0) (AND (NOT p1) p2 (NOT p3))), (OR (NOT p0) (AND (NOT p1) p2 (NOT p3)))]
RANDOM walk for 40000 steps (9005 resets) in 401 ms. (99 steps per ms) remains 10/10 properties
BEST_FIRST walk for 40003 steps (1907 resets) in 113 ms. (350 steps per ms) remains 10/10 properties
BEST_FIRST walk for 40004 steps (1899 resets) in 374 ms. (106 steps per ms) remains 10/10 properties
BEST_FIRST walk for 40003 steps (1994 resets) in 97 ms. (408 steps per ms) remains 10/10 properties
BEST_FIRST walk for 40003 steps (1853 resets) in 97 ms. (408 steps per ms) remains 10/10 properties
BEST_FIRST walk for 40004 steps (1976 resets) in 125 ms. (317 steps per ms) remains 10/10 properties
BEST_FIRST walk for 40003 steps (1856 resets) in 93 ms. (425 steps per ms) remains 10/10 properties
BEST_FIRST walk for 40002 steps (1958 resets) in 117 ms. (339 steps per ms) remains 10/10 properties
BEST_FIRST walk for 40004 steps (1914 resets) in 178 ms. (223 steps per ms) remains 10/10 properties
BEST_FIRST walk for 40001 steps (1916 resets) in 167 ms. (238 steps per ms) remains 10/10 properties
BEST_FIRST walk for 40003 steps (1936 resets) in 99 ms. (400 steps per ms) remains 10/10 properties
Interrupted probabilistic random walk after 254657 steps, run timeout after 3001 ms. (steps per millisecond=84 ) properties seen :6 out of 10
Probabilistic random walk after 254657 steps, saw 113530 distinct states, run finished after 3001 ms. (steps per millisecond=84 ) properties seen :6
[2025-06-06 00:30:10] [INFO ] Invariant cache hit.
[2025-06-06 00:30:10] [INFO ] State equation strengthened by 67 read => feed constraints.
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: 0 solved, 4 unsolved
At refinement iteration 1 (OVERLAPS) 57/62 variables, 2/2 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/62 variables, 0/2 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 3 (OVERLAPS) 21/83 variables, 2/4 constraints. Problems are: Problem set: 0 solved, 4 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-06 00:30:10] [INFO ] Deduced a trap composed of 24 places in 29 ms of which 2 ms to minimize.
At refinement iteration 4 (INCLUDED_ONLY) 0/83 variables, 1/5 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/83 variables, 0/5 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 6 (OVERLAPS) 121/204 variables, 83/88 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/204 variables, 52/140 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/204 variables, 0/140 constraints. Problems are: Problem set: 0 solved, 4 unsolved
All remaining problems are real, not stopping.
At refinement iteration 9 (OVERLAPS) 37/241 variables, 22/162 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/241 variables, 15/177 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/241 variables, 0/177 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 12 (OVERLAPS) 0/241 variables, 0/177 constraints. Problems are: Problem set: 0 solved, 4 unsolved
No progress, stopping.
After SMT solving in domain Real declared 241/241 variables, and 177 constraints, problems are : Problem set: 0 solved, 4 unsolved in 339 ms.
Refiners :[Positive P Invariants (semi-flows): 2/2 constraints, Generalized P Invariants (flows): 2/2 constraints, State Equation: 105/105 constraints, ReadFeed: 67/67 constraints, PredecessorRefiner: 4/4 constraints, Known Traps: 1/1 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 4 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: 0 solved, 4 unsolved
At refinement iteration 1 (OVERLAPS) 57/62 variables, 2/2 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/62 variables, 0/2 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 3 (OVERLAPS) 21/83 variables, 2/4 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/83 variables, 1/5 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/83 variables, 0/5 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 6 (OVERLAPS) 121/204 variables, 83/88 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/204 variables, 52/140 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/204 variables, 0/140 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 9 (OVERLAPS) 37/241 variables, 22/162 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/241 variables, 15/177 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/241 variables, 4/181 constraints. Problems are: Problem set: 0 solved, 4 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-06 00:30:10] [INFO ] Deduced a trap composed of 21 places in 42 ms of which 3 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-06 00:30:10] [INFO ] Deduced a trap composed of 35 places in 39 ms of which 3 ms to minimize.
At refinement iteration 12 (INCLUDED_ONLY) 0/241 variables, 2/183 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 13 (INCLUDED_ONLY) 0/241 variables, 0/183 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 14 (OVERLAPS) 0/241 variables, 0/183 constraints. Problems are: Problem set: 0 solved, 4 unsolved
No progress, stopping.
After SMT solving in domain Int declared 241/241 variables, and 183 constraints, problems are : Problem set: 0 solved, 4 unsolved in 1418 ms.
Refiners :[Positive P Invariants (semi-flows): 2/2 constraints, Generalized P Invariants (flows): 2/2 constraints, State Equation: 105/105 constraints, ReadFeed: 67/67 constraints, PredecessorRefiner: 4/4 constraints, Known Traps: 3/3 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 1775ms problems are : Problem set: 0 solved, 4 unsolved
Fused 4 Parikh solutions to 2 different solutions.
Parikh walk visited 0 properties in 2989 ms.
Support contains 5 out of 105 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 105/105 places, 136/136 transitions.
Graph (complete) has 305 edges and 105 vertex of which 104 are kept as prefixes of interest. Removing 1 places using SCC suffix rule.0 ms
Discarding 1 places :
Also discarding 0 output transitions
Drop transitions (Empty/Sink Transition effects.) removed 2 transitions
Reduce isomorphic transitions removed 2 transitions.
Iterating post reduction 0 with 2 rules applied. Total rules applied 3 place count 104 transition count 134
Applied a total of 3 rules in 5 ms. Remains 104 /105 variables (removed 1) and now considering 134/136 (removed 2) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 6 ms. Remains : 104/105 places, 134/136 transitions.
RANDOM walk for 40000 steps (9001 resets) in 97 ms. (408 steps per ms) remains 4/4 properties
BEST_FIRST walk for 40002 steps (1897 resets) in 50 ms. (784 steps per ms) remains 4/4 properties
BEST_FIRST walk for 40003 steps (1912 resets) in 55 ms. (714 steps per ms) remains 4/4 properties
BEST_FIRST walk for 40002 steps (1926 resets) in 46 ms. (851 steps per ms) remains 4/4 properties
BEST_FIRST walk for 40003 steps (1882 resets) in 40 ms. (975 steps per ms) remains 4/4 properties
Interrupted probabilistic random walk after 511508 steps, run timeout after 3001 ms. (steps per millisecond=170 ) properties seen :0 out of 4
Probabilistic random walk after 511508 steps, saw 227067 distinct states, run finished after 3001 ms. (steps per millisecond=170 ) properties seen :0
// Phase 1: matrix 134 rows 104 cols
[2025-06-06 00:30:17] [INFO ] Computed 3 invariants in 1 ms
[2025-06-06 00:30:17] [INFO ] State equation strengthened by 65 read => feed constraints.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/5 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 1 (OVERLAPS) 57/62 variables, 2/2 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/62 variables, 0/2 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 3 (OVERLAPS) 3/65 variables, 1/3 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/65 variables, 0/3 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 5 (OVERLAPS) 119/184 variables, 65/68 constraints. Problems are: Problem set: 0 solved, 4 unsolved
All remaining problems are real, not stopping.
At refinement iteration 6 (INCLUDED_ONLY) 0/184 variables, 50/118 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/184 variables, 0/118 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 8 (OVERLAPS) 54/238 variables, 39/157 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/238 variables, 15/172 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/238 variables, 0/172 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 11 (OVERLAPS) 0/238 variables, 0/172 constraints. Problems are: Problem set: 0 solved, 4 unsolved
No progress, stopping.
After SMT solving in domain Real declared 238/238 variables, and 172 constraints, problems are : Problem set: 0 solved, 4 unsolved in 240 ms.
Refiners :[Positive P Invariants (semi-flows): 2/2 constraints, Generalized P Invariants (flows): 1/1 constraints, State Equation: 104/104 constraints, ReadFeed: 65/65 constraints, PredecessorRefiner: 4/4 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 4 unsolved
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/5 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 1 (OVERLAPS) 57/62 variables, 2/2 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/62 variables, 0/2 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 3 (OVERLAPS) 3/65 variables, 1/3 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/65 variables, 0/3 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 5 (OVERLAPS) 119/184 variables, 65/68 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/184 variables, 50/118 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/184 variables, 0/118 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 8 (OVERLAPS) 54/238 variables, 39/157 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/238 variables, 15/172 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/238 variables, 4/176 constraints. Problems are: Problem set: 0 solved, 4 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-06 00:30:18] [INFO ] Deduced a trap composed of 20 places in 43 ms of which 4 ms to minimize.
At refinement iteration 11 (INCLUDED_ONLY) 0/238 variables, 1/177 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 12 (INCLUDED_ONLY) 0/238 variables, 0/177 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 13 (OVERLAPS) 0/238 variables, 0/177 constraints. Problems are: Problem set: 0 solved, 4 unsolved
No progress, stopping.
After SMT solving in domain Int declared 238/238 variables, and 177 constraints, problems are : Problem set: 0 solved, 4 unsolved in 1632 ms.
Refiners :[Positive P Invariants (semi-flows): 2/2 constraints, Generalized P Invariants (flows): 1/1 constraints, State Equation: 104/104 constraints, ReadFeed: 65/65 constraints, PredecessorRefiner: 4/4 constraints, Known Traps: 1/1 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 1884ms problems are : Problem set: 0 solved, 4 unsolved
Fused 4 Parikh solutions to 2 different solutions.
Parikh walk visited 0 properties in 835 ms.
Support contains 5 out of 104 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 104/104 places, 134/134 transitions.
Applied a total of 0 rules in 3 ms. Remains 104 /104 variables (removed 0) and now considering 134/134 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 5 ms. Remains : 104/104 places, 134/134 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 104/104 places, 134/134 transitions.
Applied a total of 0 rules in 3 ms. Remains 104 /104 variables (removed 0) and now considering 134/134 (removed 0) transitions.
[2025-06-06 00:30:20] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-06 00:30:20] [INFO ] Implicit Places using invariants in 67 ms returned []
[2025-06-06 00:30:20] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-06 00:30:20] [INFO ] State equation strengthened by 65 read => feed constraints.
[2025-06-06 00:30:20] [INFO ] Implicit Places using invariants and state equation in 349 ms returned []
Implicit Place search using SMT with State Equation took 418 ms to find 0 implicit places.
Starting Z3 with timeout 200.0 s and query timeout 20000.0 ms
[2025-06-06 00:30:21] [INFO ] Redundant transitions in 2 ms returned []
Running 133 sub problems to find dead transitions.
[2025-06-06 00:30:21] [INFO ] Invariant cache hit.
[2025-06-06 00:30:21] [INFO ] State equation strengthened by 65 read => feed constraints.
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/103 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 133 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/103 variables, 1/2 constraints. Problems are: Problem set: 0 solved, 133 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/103 variables, 0/2 constraints. Problems are: Problem set: 0 solved, 133 unsolved
At refinement iteration 3 (OVERLAPS) 1/104 variables, 1/3 constraints. Problems are: Problem set: 0 solved, 133 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/104 variables, 0/3 constraints. Problems are: Problem set: 0 solved, 133 unsolved
At refinement iteration 5 (OVERLAPS) 134/238 variables, 104/107 constraints. Problems are: Problem set: 0 solved, 133 unsolved
All remaining problems are real, not stopping.
At refinement iteration 6 (INCLUDED_ONLY) 0/238 variables, 65/172 constraints. Problems are: Problem set: 0 solved, 133 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/238 variables, 0/172 constraints. Problems are: Problem set: 0 solved, 133 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-06 00:30:25] [INFO ] Deduced a trap composed of 20 places in 38 ms of which 3 ms to minimize.
At refinement iteration 8 (OVERLAPS) 0/238 variables, 1/173 constraints. Problems are: Problem set: 0 solved, 133 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-06 00:30:28] [INFO ] Deduced a trap composed of 47 places in 43 ms of which 4 ms to minimize.
At refinement iteration 9 (INCLUDED_ONLY) 0/238 variables, 1/174 constraints. Problems are: Problem set: 0 solved, 133 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/238 variables, 0/174 constraints. Problems are: Problem set: 0 solved, 133 unsolved
At refinement iteration 11 (OVERLAPS) 0/238 variables, 0/174 constraints. Problems are: Problem set: 0 solved, 133 unsolved
No progress, stopping.
After SMT solving in domain Real declared 238/238 variables, and 174 constraints, problems are : Problem set: 0 solved, 133 unsolved in 15112 ms.
Refiners :[Positive P Invariants (semi-flows): 2/2 constraints, Generalized P Invariants (flows): 1/1 constraints, State Equation: 104/104 constraints, ReadFeed: 65/65 constraints, PredecessorRefiner: 133/133 constraints, Known Traps: 2/2 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 133 unsolved
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/103 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 133 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/103 variables, 1/2 constraints. Problems are: Problem set: 0 solved, 133 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/103 variables, 0/2 constraints. Problems are: Problem set: 0 solved, 133 unsolved
At refinement iteration 3 (OVERLAPS) 1/104 variables, 1/3 constraints. Problems are: Problem set: 0 solved, 133 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/104 variables, 2/5 constraints. Problems are: Problem set: 0 solved, 133 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/104 variables, 0/5 constraints. Problems are: Problem set: 0 solved, 133 unsolved
At refinement iteration 6 (OVERLAPS) 134/238 variables, 104/109 constraints. Problems are: Problem set: 0 solved, 133 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/238 variables, 65/174 constraints. Problems are: Problem set: 0 solved, 133 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/238 variables, 133/307 constraints. Problems are: Problem set: 0 solved, 133 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-06 00:30:41] [INFO ] Deduced a trap composed of 34 places in 35 ms of which 3 ms to minimize.
At refinement iteration 9 (INCLUDED_ONLY) 0/238 variables, 1/308 constraints. Problems are: Problem set: 0 solved, 133 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-06 00:30:50] [INFO ] Deduced a trap along path composed of 20 places in 26 ms of which 1 ms to minimize.
At refinement iteration 10 (INCLUDED_ONLY) 0/238 variables, 1/309 constraints. Problems are: Problem set: 0 solved, 133 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 238/238 variables, and 309 constraints, problems are : Problem set: 0 solved, 133 unsolved in 30010 ms.
Refiners :[Positive P Invariants (semi-flows): 2/2 constraints, Generalized P Invariants (flows): 1/1 constraints, State Equation: 104/104 constraints, ReadFeed: 65/65 constraints, PredecessorRefiner: 133/133 constraints, Known Traps: 3/3 constraints, Known Traps Along Path: 1/1 constraints]
After SMT, in 45175ms problems are : Problem set: 0 solved, 133 unsolved
Search for dead transitions found 0 dead transitions in 45175ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 45607 ms. Remains : 104/104 places, 134/134 transitions.
Attempting over-approximation, by ignoring read arcs.
Drop transitions (Empty/Sink Transition effects.) removed 1 transitions
Reduce isomorphic transitions removed 1 transitions.
Drop transitions (Trivial Post-Agglo cleanup.) removed 6 transitions
Trivial Post-agglo rules discarded 6 transitions
Performed 6 trivial Post agglomeration. Transition count delta: 6
Iterating post reduction 0 with 7 rules applied. Total rules applied 7 place count 104 transition count 127
Reduce places removed 6 places and 0 transitions.
Iterating post reduction 1 with 6 rules applied. Total rules applied 13 place count 98 transition count 127
Performed 14 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 2 with 14 Pre rules applied. Total rules applied 13 place count 98 transition count 113
Deduced a syphon composed of 14 places in 3 ms
Reduce places removed 14 places and 0 transitions.
Iterating global reduction 2 with 28 rules applied. Total rules applied 41 place count 84 transition count 113
Performed 11 Post agglomeration using F-continuation condition.Transition count delta: 11
Deduced a syphon composed of 11 places in 0 ms
Reduce places removed 11 places and 0 transitions.
Iterating global reduction 2 with 22 rules applied. Total rules applied 63 place count 73 transition count 102
Partial Free-agglomeration rule applied 1 times.
Drop transitions (Partial Free agglomeration) removed 1 transitions
Iterating global reduction 2 with 1 rules applied. Total rules applied 64 place count 73 transition count 102
Applied a total of 64 rules in 21 ms. Remains 73 /104 variables (removed 31) and now considering 102/134 (removed 32) transitions.
Running SMT prover for 4 properties.
// Phase 1: matrix 102 rows 73 cols
[2025-06-06 00:31:06] [INFO ] Computed 3 invariants in 0 ms
Starting Z3 with timeout 450.0 s and query timeout 45000.0 ms
[2025-06-06 00:31:06] [INFO ] [Real]Absence check using 3 positive place invariants in 1 ms returned sat
[2025-06-06 00:31:06] [INFO ] After 146ms SMT Verify possible using all constraints in real domain returned unsat :0 sat :0 real:4
Starting Z3 with timeout 450.0 s and query timeout 45000.0 ms
[2025-06-06 00:31:06] [INFO ] [Nat]Absence check using 3 positive place invariants in 1 ms returned sat
[2025-06-06 00:31:06] [INFO ] After 174ms SMT Verify possible using state equation in natural domain returned unsat :0 sat :4
TRAPS : Iteration 0
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-06 00:31:06] [INFO ] Deduced a trap composed of 22 places in 24 ms of which 2 ms to minimize.
[2025-06-06 00:31:06] [INFO ] Trap strengthening (SAT) tested/added 2/1 trap constraints in 62 ms
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-06 00:31:06] [INFO ] Deduced a trap composed of 12 places in 39 ms of which 3 ms to minimize.
[2025-06-06 00:31:06] [INFO ] Trap strengthening (SAT) tested/added 2/1 trap constraints in 75 ms
TRAPS : Iteration 1
[2025-06-06 00:31:07] [INFO ] After 653ms SMT Verify possible using trap constraints in natural domain returned unsat :0 sat :4
[2025-06-06 00:31:07] [INFO ] After 952ms SMT Verify possible using all constraints in natural domain returned unsat :0 sat :4
Over-approximation ignoring read arcs solved 0 properties in 1144 ms.
Knowledge obtained : [(AND p3 p0 p1 (NOT p2)), (X (NOT p2)), (X (NOT (AND (NOT p3) (NOT p2) (NOT p1) p0))), (X (NOT (OR (AND (NOT p3) p2) (NOT p0)))), (X p3), (X (AND p3 p0)), (X (NOT (AND (NOT p3) (NOT p2) p0))), (X (OR (AND p3 p0) (AND p1 p0))), (X (NOT (OR (AND (NOT p3) p2 (NOT p1)) (NOT p0)))), (X p0), (X p1), (X (X (NOT p2))), (X (X (NOT (AND (NOT p3) (NOT p2) (NOT p1) p0)))), (X (X (NOT (OR (AND (NOT p3) p2) (NOT p0))))), (X (X p3)), (X (X (AND p3 p0))), (X (X (NOT (AND (NOT p3) (NOT p2) p0)))), (X (X (OR (AND p3 p0) (AND p1 p0)))), (X (X (NOT (OR (AND (NOT p3) p2 (NOT p1)) (NOT p0))))), (X (X p0)), (X (X p1))]
False Knowledge obtained : [(F (NOT (OR (NOT p0) p3 p2))), (F (NOT (AND p0 (OR p3 (NOT p2))))), (F p2), (F (NOT p3)), (F (NOT (AND p0 p3))), (F (NOT p1))]
Knowledge based reduction with 21 factoid took 283 ms. Reduced automaton from 2 states, 6 edges and 4 AP (stutter insensitive) to 2 states, 6 edges and 4 AP (stutter insensitive).
Stuttering acceptance computed with spot in 90 ms :[(OR (NOT p0) (AND (NOT p1) p2 (NOT p3))), (OR (NOT p0) (AND (NOT p1) p2 (NOT p3)))]
Stuttering acceptance computed with spot in 93 ms :[(OR (NOT p0) (AND (NOT p1) p2 (NOT p3))), (OR (NOT p0) (AND (NOT p1) p2 (NOT p3)))]
Support contains 5 out of 105 places. Attempting structural reductions.
Starting structural reductions in SI_LTL mode, iteration 0 : 105/105 places, 136/136 transitions.
Applied a total of 0 rules in 6 ms. Remains 105 /105 variables (removed 0) and now considering 136/136 (removed 0) transitions.
// Phase 1: matrix 136 rows 105 cols
[2025-06-06 00:31:07] [INFO ] Computed 4 invariants in 1 ms
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-06 00:31:07] [INFO ] Implicit Places using invariants in 61 ms returned []
[2025-06-06 00:31:07] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-06 00:31:07] [INFO ] State equation strengthened by 67 read => feed constraints.
[2025-06-06 00:31:08] [INFO ] Implicit Places using invariants and state equation in 330 ms returned []
Implicit Place search using SMT with State Equation took 393 ms to find 0 implicit places.
Starting Z3 with timeout 200.0 s and query timeout 20000.0 ms
[2025-06-06 00:31:08] [INFO ] Redundant transitions in 1 ms returned []
Running 135 sub problems to find dead transitions.
[2025-06-06 00:31:08] [INFO ] Invariant cache hit.
[2025-06-06 00:31:08] [INFO ] State equation strengthened by 67 read => feed constraints.
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/104 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 135 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/104 variables, 2/3 constraints. Problems are: Problem set: 0 solved, 135 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/104 variables, 0/3 constraints. Problems are: Problem set: 0 solved, 135 unsolved
At refinement iteration 3 (OVERLAPS) 1/105 variables, 1/4 constraints. Problems are: Problem set: 0 solved, 135 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/105 variables, 0/4 constraints. Problems are: Problem set: 0 solved, 135 unsolved
At refinement iteration 5 (OVERLAPS) 136/241 variables, 105/109 constraints. Problems are: Problem set: 0 solved, 135 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/241 variables, 67/176 constraints. Problems are: Problem set: 0 solved, 135 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/241 variables, 0/176 constraints. Problems are: Problem set: 0 solved, 135 unsolved
At refinement iteration 8 (OVERLAPS) 0/241 variables, 0/176 constraints. Problems are: Problem set: 0 solved, 135 unsolved
No progress, stopping.
After SMT solving in domain Real declared 241/241 variables, and 176 constraints, problems are : Problem set: 0 solved, 135 unsolved in 8156 ms.
Refiners :[Positive P Invariants (semi-flows): 2/2 constraints, Generalized P Invariants (flows): 2/2 constraints, State Equation: 105/105 constraints, ReadFeed: 67/67 constraints, PredecessorRefiner: 135/135 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 135 unsolved
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/104 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 135 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/104 variables, 2/3 constraints. Problems are: Problem set: 0 solved, 135 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/104 variables, 0/3 constraints. Problems are: Problem set: 0 solved, 135 unsolved
At refinement iteration 3 (OVERLAPS) 1/105 variables, 1/4 constraints. Problems are: Problem set: 0 solved, 135 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/105 variables, 0/4 constraints. Problems are: Problem set: 0 solved, 135 unsolved
At refinement iteration 5 (OVERLAPS) 136/241 variables, 105/109 constraints. Problems are: Problem set: 0 solved, 135 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/241 variables, 67/176 constraints. Problems are: Problem set: 0 solved, 135 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/241 variables, 135/311 constraints. Problems are: Problem set: 0 solved, 135 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-06 00:31:20] [INFO ] Deduced a trap composed of 21 places in 38 ms of which 3 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-06 00:31:20] [INFO ] Deduced a trap composed of 35 places in 36 ms of which 3 ms to minimize.
At refinement iteration 8 (INCLUDED_ONLY) 0/241 variables, 2/313 constraints. Problems are: Problem set: 0 solved, 135 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-06 00:31:26] [INFO ] Deduced a trap along path composed of 20 places in 22 ms of which 1 ms to minimize.
At refinement iteration 9 (INCLUDED_ONLY) 0/241 variables, 1/314 constraints. Problems are: Problem set: 0 solved, 135 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/241 variables, 0/314 constraints. Problems are: Problem set: 0 solved, 135 unsolved
At refinement iteration 11 (OVERLAPS) 0/241 variables, 0/314 constraints. Problems are: Problem set: 0 solved, 135 unsolved
No progress, stopping.
After SMT solving in domain Int declared 241/241 variables, and 314 constraints, problems are : Problem set: 0 solved, 135 unsolved in 30015 ms.
Refiners :[Positive P Invariants (semi-flows): 2/2 constraints, Generalized P Invariants (flows): 2/2 constraints, State Equation: 105/105 constraints, ReadFeed: 67/67 constraints, PredecessorRefiner: 135/135 constraints, Known Traps: 2/2 constraints, Known Traps Along Path: 1/1 constraints]
After SMT, in 38219ms problems are : Problem set: 0 solved, 135 unsolved
Search for dead transitions found 0 dead transitions in 38220ms
Finished structural reductions in SI_LTL mode , in 1 iterations and 38626 ms. Remains : 105/105 places, 136/136 transitions.
Computed a total of 21 stabilizing places and 28 stable transitions
Graph (complete) has 345 edges and 105 vertex of which 104 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 p0 p3 p1 (NOT p2)), (X (NOT p2)), (X (NOT (AND p0 (NOT p3) (NOT p1) (NOT p2)))), (X p3), (X (NOT (AND p0 (NOT p3) (NOT p2)))), (X (OR (AND p0 p3) (AND p0 p1))), (X (NOT (OR (NOT p0) (AND (NOT p3) (NOT p1) p2)))), (X (NOT (OR (NOT p0) (AND (NOT p3) p2)))), (X (AND p0 p3)), (X p0), (X p1), (X (X (NOT p2))), (X (X (NOT (AND p0 (NOT p3) (NOT p1) (NOT p2))))), (X (X p3)), (X (X (NOT (AND p0 (NOT p3) (NOT p2))))), (X (X (OR (AND p0 p3) (AND p0 p1)))), (X (X (NOT (OR (NOT p0) (AND (NOT p3) (NOT p1) p2))))), (X (X (NOT (OR (NOT p0) (AND (NOT p3) p2))))), (X (X (AND p0 p3))), (X (X p0)), (X (X p1))]
False Knowledge obtained : []
Knowledge based reduction with 21 factoid took 101 ms. Reduced automaton from 2 states, 6 edges and 4 AP (stutter insensitive) to 2 states, 6 edges and 4 AP (stutter insensitive).
Stuttering acceptance computed with spot in 93 ms :[(OR (NOT p0) (AND (NOT p1) p2 (NOT p3))), (OR (NOT p0) (AND (NOT p1) p2 (NOT p3)))]
RANDOM walk for 40000 steps (8968 resets) in 334 ms. (119 steps per ms) remains 10/10 properties
BEST_FIRST walk for 40002 steps (1869 resets) in 106 ms. (373 steps per ms) remains 10/10 properties
BEST_FIRST walk for 40004 steps (1932 resets) in 96 ms. (412 steps per ms) remains 10/10 properties
BEST_FIRST walk for 40003 steps (1921 resets) in 107 ms. (370 steps per ms) remains 10/10 properties
BEST_FIRST walk for 40001 steps (1975 resets) in 71 ms. (555 steps per ms) remains 10/10 properties
BEST_FIRST walk for 40003 steps (1850 resets) in 74 ms. (533 steps per ms) remains 10/10 properties
BEST_FIRST walk for 40004 steps (1918 resets) in 72 ms. (548 steps per ms) remains 10/10 properties
BEST_FIRST walk for 40004 steps (1957 resets) in 83 ms. (476 steps per ms) remains 10/10 properties
BEST_FIRST walk for 40003 steps (1897 resets) in 75 ms. (526 steps per ms) remains 10/10 properties
BEST_FIRST walk for 40004 steps (1851 resets) in 64 ms. (615 steps per ms) remains 10/10 properties
BEST_FIRST walk for 40002 steps (1975 resets) in 61 ms. (645 steps per ms) remains 10/10 properties
Interrupted probabilistic random walk after 503759 steps, run timeout after 3001 ms. (steps per millisecond=167 ) properties seen :6 out of 10
Probabilistic random walk after 503759 steps, saw 223512 distinct states, run finished after 3001 ms. (steps per millisecond=167 ) properties seen :6
[2025-06-06 00:31:49] [INFO ] Invariant cache hit.
[2025-06-06 00:31:49] [INFO ] State equation strengthened by 67 read => feed constraints.
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: 0 solved, 4 unsolved
At refinement iteration 1 (OVERLAPS) 57/62 variables, 2/2 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/62 variables, 0/2 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 3 (OVERLAPS) 21/83 variables, 2/4 constraints. Problems are: Problem set: 0 solved, 4 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-06 00:31:50] [INFO ] Deduced a trap composed of 24 places in 35 ms of which 2 ms to minimize.
At refinement iteration 4 (INCLUDED_ONLY) 0/83 variables, 1/5 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/83 variables, 0/5 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 6 (OVERLAPS) 121/204 variables, 83/88 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/204 variables, 52/140 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/204 variables, 0/140 constraints. Problems are: Problem set: 0 solved, 4 unsolved
All remaining problems are real, not stopping.
At refinement iteration 9 (OVERLAPS) 37/241 variables, 22/162 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/241 variables, 15/177 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/241 variables, 0/177 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 12 (OVERLAPS) 0/241 variables, 0/177 constraints. Problems are: Problem set: 0 solved, 4 unsolved
No progress, stopping.
After SMT solving in domain Real declared 241/241 variables, and 177 constraints, problems are : Problem set: 0 solved, 4 unsolved in 335 ms.
Refiners :[Positive P Invariants (semi-flows): 2/2 constraints, Generalized P Invariants (flows): 2/2 constraints, State Equation: 105/105 constraints, ReadFeed: 67/67 constraints, PredecessorRefiner: 4/4 constraints, Known Traps: 1/1 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 4 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: 0 solved, 4 unsolved
At refinement iteration 1 (OVERLAPS) 57/62 variables, 2/2 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/62 variables, 0/2 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 3 (OVERLAPS) 21/83 variables, 2/4 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/83 variables, 1/5 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/83 variables, 0/5 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 6 (OVERLAPS) 121/204 variables, 83/88 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/204 variables, 52/140 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/204 variables, 0/140 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 9 (OVERLAPS) 37/241 variables, 22/162 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/241 variables, 15/177 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/241 variables, 4/181 constraints. Problems are: Problem set: 0 solved, 4 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-06 00:31:50] [INFO ] Deduced a trap composed of 21 places in 44 ms of which 3 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-06 00:31:50] [INFO ] Deduced a trap composed of 35 places in 32 ms of which 3 ms to minimize.
At refinement iteration 12 (INCLUDED_ONLY) 0/241 variables, 2/183 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 13 (INCLUDED_ONLY) 0/241 variables, 0/183 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 14 (OVERLAPS) 0/241 variables, 0/183 constraints. Problems are: Problem set: 0 solved, 4 unsolved
No progress, stopping.
After SMT solving in domain Int declared 241/241 variables, and 183 constraints, problems are : Problem set: 0 solved, 4 unsolved in 1423 ms.
Refiners :[Positive P Invariants (semi-flows): 2/2 constraints, Generalized P Invariants (flows): 2/2 constraints, State Equation: 105/105 constraints, ReadFeed: 67/67 constraints, PredecessorRefiner: 4/4 constraints, Known Traps: 3/3 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 1769ms problems are : Problem set: 0 solved, 4 unsolved
Fused 4 Parikh solutions to 2 different solutions.
Parikh walk visited 0 properties in 3260 ms.
Support contains 5 out of 105 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 105/105 places, 136/136 transitions.
Graph (complete) has 305 edges and 105 vertex of which 104 are kept as prefixes of interest. Removing 1 places using SCC suffix rule.0 ms
Discarding 1 places :
Also discarding 0 output transitions
Drop transitions (Empty/Sink Transition effects.) removed 2 transitions
Reduce isomorphic transitions removed 2 transitions.
Iterating post reduction 0 with 2 rules applied. Total rules applied 3 place count 104 transition count 134
Applied a total of 3 rules in 4 ms. Remains 104 /105 variables (removed 1) and now considering 134/136 (removed 2) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 4 ms. Remains : 104/105 places, 134/136 transitions.
RANDOM walk for 40000 steps (8989 resets) in 97 ms. (408 steps per ms) remains 4/4 properties
BEST_FIRST walk for 40002 steps (1835 resets) in 59 ms. (666 steps per ms) remains 4/4 properties
BEST_FIRST walk for 40003 steps (1961 resets) in 67 ms. (588 steps per ms) remains 4/4 properties
BEST_FIRST walk for 40001 steps (1868 resets) in 65 ms. (606 steps per ms) remains 4/4 properties
BEST_FIRST walk for 40003 steps (1878 resets) in 67 ms. (588 steps per ms) remains 4/4 properties
Interrupted probabilistic random walk after 454941 steps, run timeout after 3001 ms. (steps per millisecond=151 ) properties seen :0 out of 4
Probabilistic random walk after 454941 steps, saw 201496 distinct states, run finished after 3001 ms. (steps per millisecond=151 ) properties seen :0
// Phase 1: matrix 134 rows 104 cols
[2025-06-06 00:31:58] [INFO ] Computed 3 invariants in 1 ms
[2025-06-06 00:31:58] [INFO ] State equation strengthened by 65 read => feed constraints.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/5 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 1 (OVERLAPS) 57/62 variables, 2/2 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/62 variables, 0/2 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 3 (OVERLAPS) 3/65 variables, 1/3 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/65 variables, 0/3 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 5 (OVERLAPS) 119/184 variables, 65/68 constraints. Problems are: Problem set: 0 solved, 4 unsolved
All remaining problems are real, not stopping.
At refinement iteration 6 (INCLUDED_ONLY) 0/184 variables, 50/118 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/184 variables, 0/118 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 8 (OVERLAPS) 54/238 variables, 39/157 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/238 variables, 15/172 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/238 variables, 0/172 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 11 (OVERLAPS) 0/238 variables, 0/172 constraints. Problems are: Problem set: 0 solved, 4 unsolved
No progress, stopping.
After SMT solving in domain Real declared 238/238 variables, and 172 constraints, problems are : Problem set: 0 solved, 4 unsolved in 236 ms.
Refiners :[Positive P Invariants (semi-flows): 2/2 constraints, Generalized P Invariants (flows): 1/1 constraints, State Equation: 104/104 constraints, ReadFeed: 65/65 constraints, PredecessorRefiner: 4/4 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 4 unsolved
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/5 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 1 (OVERLAPS) 57/62 variables, 2/2 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/62 variables, 0/2 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 3 (OVERLAPS) 3/65 variables, 1/3 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/65 variables, 0/3 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 5 (OVERLAPS) 119/184 variables, 65/68 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/184 variables, 50/118 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/184 variables, 0/118 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 8 (OVERLAPS) 54/238 variables, 39/157 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/238 variables, 15/172 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/238 variables, 4/176 constraints. Problems are: Problem set: 0 solved, 4 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-06 00:31:58] [INFO ] Deduced a trap composed of 20 places in 44 ms of which 4 ms to minimize.
At refinement iteration 11 (INCLUDED_ONLY) 0/238 variables, 1/177 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 12 (INCLUDED_ONLY) 0/238 variables, 0/177 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 13 (OVERLAPS) 0/238 variables, 0/177 constraints. Problems are: Problem set: 0 solved, 4 unsolved
No progress, stopping.
After SMT solving in domain Int declared 238/238 variables, and 177 constraints, problems are : Problem set: 0 solved, 4 unsolved in 1626 ms.
Refiners :[Positive P Invariants (semi-flows): 2/2 constraints, Generalized P Invariants (flows): 1/1 constraints, State Equation: 104/104 constraints, ReadFeed: 65/65 constraints, PredecessorRefiner: 4/4 constraints, Known Traps: 1/1 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 1873ms problems are : Problem set: 0 solved, 4 unsolved
Fused 4 Parikh solutions to 2 different solutions.
Parikh walk visited 0 properties in 790 ms.
Support contains 5 out of 104 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 104/104 places, 134/134 transitions.
Applied a total of 0 rules in 3 ms. Remains 104 /104 variables (removed 0) and now considering 134/134 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 3 ms. Remains : 104/104 places, 134/134 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 104/104 places, 134/134 transitions.
Applied a total of 0 rules in 2 ms. Remains 104 /104 variables (removed 0) and now considering 134/134 (removed 0) transitions.
[2025-06-06 00:32:00] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-06 00:32:00] [INFO ] Implicit Places using invariants in 54 ms returned []
[2025-06-06 00:32:00] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-06 00:32:00] [INFO ] State equation strengthened by 65 read => feed constraints.
[2025-06-06 00:32:01] [INFO ] Implicit Places using invariants and state equation in 329 ms returned []
Implicit Place search using SMT with State Equation took 384 ms to find 0 implicit places.
Starting Z3 with timeout 200.0 s and query timeout 20000.0 ms
[2025-06-06 00:32:01] [INFO ] Redundant transitions in 0 ms returned []
Running 133 sub problems to find dead transitions.
[2025-06-06 00:32:01] [INFO ] Invariant cache hit.
[2025-06-06 00:32:01] [INFO ] State equation strengthened by 65 read => feed constraints.
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/103 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 133 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/103 variables, 1/2 constraints. Problems are: Problem set: 0 solved, 133 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/103 variables, 0/2 constraints. Problems are: Problem set: 0 solved, 133 unsolved
At refinement iteration 3 (OVERLAPS) 1/104 variables, 1/3 constraints. Problems are: Problem set: 0 solved, 133 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/104 variables, 0/3 constraints. Problems are: Problem set: 0 solved, 133 unsolved
At refinement iteration 5 (OVERLAPS) 134/238 variables, 104/107 constraints. Problems are: Problem set: 0 solved, 133 unsolved
All remaining problems are real, not stopping.
At refinement iteration 6 (INCLUDED_ONLY) 0/238 variables, 65/172 constraints. Problems are: Problem set: 0 solved, 133 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/238 variables, 0/172 constraints. Problems are: Problem set: 0 solved, 133 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-06 00:32:05] [INFO ] Deduced a trap composed of 20 places in 40 ms of which 2 ms to minimize.
At refinement iteration 8 (OVERLAPS) 0/238 variables, 1/173 constraints. Problems are: Problem set: 0 solved, 133 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-06 00:32:08] [INFO ] Deduced a trap composed of 47 places in 43 ms of which 3 ms to minimize.
At refinement iteration 9 (INCLUDED_ONLY) 0/238 variables, 1/174 constraints. Problems are: Problem set: 0 solved, 133 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/238 variables, 0/174 constraints. Problems are: Problem set: 0 solved, 133 unsolved
At refinement iteration 11 (OVERLAPS) 0/238 variables, 0/174 constraints. Problems are: Problem set: 0 solved, 133 unsolved
No progress, stopping.
After SMT solving in domain Real declared 238/238 variables, and 174 constraints, problems are : Problem set: 0 solved, 133 unsolved in 15289 ms.
Refiners :[Positive P Invariants (semi-flows): 2/2 constraints, Generalized P Invariants (flows): 1/1 constraints, State Equation: 104/104 constraints, ReadFeed: 65/65 constraints, PredecessorRefiner: 133/133 constraints, Known Traps: 2/2 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 133 unsolved
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/103 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 133 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/103 variables, 1/2 constraints. Problems are: Problem set: 0 solved, 133 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/103 variables, 0/2 constraints. Problems are: Problem set: 0 solved, 133 unsolved
At refinement iteration 3 (OVERLAPS) 1/104 variables, 1/3 constraints. Problems are: Problem set: 0 solved, 133 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/104 variables, 2/5 constraints. Problems are: Problem set: 0 solved, 133 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/104 variables, 0/5 constraints. Problems are: Problem set: 0 solved, 133 unsolved
At refinement iteration 6 (OVERLAPS) 134/238 variables, 104/109 constraints. Problems are: Problem set: 0 solved, 133 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/238 variables, 65/174 constraints. Problems are: Problem set: 0 solved, 133 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/238 variables, 133/307 constraints. Problems are: Problem set: 0 solved, 133 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-06 00:32:21] [INFO ] Deduced a trap composed of 34 places in 42 ms of which 2 ms to minimize.
At refinement iteration 9 (INCLUDED_ONLY) 0/238 variables, 1/308 constraints. Problems are: Problem set: 0 solved, 133 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-06 00:32:31] [INFO ] Deduced a trap along path composed of 20 places in 30 ms of which 0 ms to minimize.
At refinement iteration 10 (INCLUDED_ONLY) 0/238 variables, 1/309 constraints. Problems are: Problem set: 0 solved, 133 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 238/238 variables, and 309 constraints, problems are : Problem set: 0 solved, 133 unsolved in 30019 ms.
Refiners :[Positive P Invariants (semi-flows): 2/2 constraints, Generalized P Invariants (flows): 1/1 constraints, State Equation: 104/104 constraints, ReadFeed: 65/65 constraints, PredecessorRefiner: 133/133 constraints, Known Traps: 3/3 constraints, Known Traps Along Path: 1/1 constraints]
After SMT, in 45367ms problems are : Problem set: 0 solved, 133 unsolved
Search for dead transitions found 0 dead transitions in 45367ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 45764 ms. Remains : 104/104 places, 134/134 transitions.
Attempting over-approximation, by ignoring read arcs.
Drop transitions (Empty/Sink Transition effects.) removed 1 transitions
Reduce isomorphic transitions removed 1 transitions.
Drop transitions (Trivial Post-Agglo cleanup.) removed 6 transitions
Trivial Post-agglo rules discarded 6 transitions
Performed 6 trivial Post agglomeration. Transition count delta: 6
Iterating post reduction 0 with 7 rules applied. Total rules applied 7 place count 104 transition count 127
Reduce places removed 6 places and 0 transitions.
Iterating post reduction 1 with 6 rules applied. Total rules applied 13 place count 98 transition count 127
Performed 14 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 2 with 14 Pre rules applied. Total rules applied 13 place count 98 transition count 113
Deduced a syphon composed of 14 places in 0 ms
Reduce places removed 14 places and 0 transitions.
Iterating global reduction 2 with 28 rules applied. Total rules applied 41 place count 84 transition count 113
Performed 11 Post agglomeration using F-continuation condition.Transition count delta: 11
Deduced a syphon composed of 11 places in 0 ms
Reduce places removed 11 places and 0 transitions.
Iterating global reduction 2 with 22 rules applied. Total rules applied 63 place count 73 transition count 102
Partial Free-agglomeration rule applied 1 times.
Drop transitions (Partial Free agglomeration) removed 1 transitions
Iterating global reduction 2 with 1 rules applied. Total rules applied 64 place count 73 transition count 102
Applied a total of 64 rules in 11 ms. Remains 73 /104 variables (removed 31) and now considering 102/134 (removed 32) transitions.
Running SMT prover for 4 properties.
// Phase 1: matrix 102 rows 73 cols
[2025-06-06 00:32:46] [INFO ] Computed 3 invariants in 1 ms
Starting Z3 with timeout 450.0 s and query timeout 45000.0 ms
[2025-06-06 00:32:46] [INFO ] [Real]Absence check using 3 positive place invariants in 1 ms returned sat
[2025-06-06 00:32:46] [INFO ] After 143ms SMT Verify possible using all constraints in real domain returned unsat :0 sat :0 real:4
Starting Z3 with timeout 450.0 s and query timeout 45000.0 ms
[2025-06-06 00:32:46] [INFO ] [Nat]Absence check using 3 positive place invariants in 1 ms returned sat
[2025-06-06 00:32:47] [INFO ] After 187ms SMT Verify possible using state equation in natural domain returned unsat :0 sat :4
TRAPS : Iteration 0
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-06 00:32:47] [INFO ] Deduced a trap composed of 22 places in 32 ms of which 2 ms to minimize.
[2025-06-06 00:32:47] [INFO ] Trap strengthening (SAT) tested/added 2/1 trap constraints in 75 ms
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-06 00:32:47] [INFO ] Deduced a trap composed of 12 places in 37 ms of which 4 ms to minimize.
[2025-06-06 00:32:47] [INFO ] Trap strengthening (SAT) tested/added 2/1 trap constraints in 76 ms
TRAPS : Iteration 1
[2025-06-06 00:32:47] [INFO ] After 666ms SMT Verify possible using trap constraints in natural domain returned unsat :0 sat :4
[2025-06-06 00:32:47] [INFO ] After 973ms SMT Verify possible using all constraints in natural domain returned unsat :0 sat :4
Over-approximation ignoring read arcs solved 0 properties in 1139 ms.
Knowledge obtained : [(AND p0 p3 p1 (NOT p2)), (X (NOT p2)), (X (NOT (AND p0 (NOT p3) (NOT p1) (NOT p2)))), (X p3), (X (NOT (AND p0 (NOT p3) (NOT p2)))), (X (OR (AND p0 p3) (AND p0 p1))), (X (NOT (OR (NOT p0) (AND (NOT p3) (NOT p1) p2)))), (X (NOT (OR (NOT p0) (AND (NOT p3) p2)))), (X (AND p0 p3)), (X p0), (X p1), (X (X (NOT p2))), (X (X (NOT (AND p0 (NOT p3) (NOT p1) (NOT p2))))), (X (X p3)), (X (X (NOT (AND p0 (NOT p3) (NOT p2))))), (X (X (OR (AND p0 p3) (AND p0 p1)))), (X (X (NOT (OR (NOT p0) (AND (NOT p3) (NOT p1) p2))))), (X (X (NOT (OR (NOT p0) (AND (NOT p3) p2))))), (X (X (AND p0 p3))), (X (X p0)), (X (X p1))]
False Knowledge obtained : [(F (NOT (OR (NOT p0) p3 p2))), (F (NOT (AND p0 (OR p3 (NOT p2))))), (F p2), (F (NOT p3)), (F (NOT (AND p0 p3))), (F (NOT p1))]
Knowledge based reduction with 21 factoid took 299 ms. Reduced automaton from 2 states, 6 edges and 4 AP (stutter insensitive) to 2 states, 6 edges and 4 AP (stutter insensitive).
Stuttering acceptance computed with spot in 92 ms :[(OR (NOT p0) (AND (NOT p1) p2 (NOT p3))), (OR (NOT p0) (AND (NOT p1) p2 (NOT p3)))]
Stuttering acceptance computed with spot in 93 ms :[(OR (NOT p0) (AND (NOT p1) p2 (NOT p3))), (OR (NOT p0) (AND (NOT p1) p2 (NOT p3)))]
Stuttering acceptance computed with spot in 95 ms :[(OR (NOT p0) (AND (NOT p1) p2 (NOT p3))), (OR (NOT p0) (AND (NOT p1) p2 (NOT p3)))]
Product exploration explored 100000 steps with 22525 reset in 195 ms.
Product exploration explored 100000 steps with 22580 reset in 202 ms.
Built C files in :
/tmp/ltsmin5600621238384176173
[2025-06-06 00:32:48] [INFO ] Computing symmetric may disable matrix : 136 transitions.
[2025-06-06 00:32:48] [INFO ] Computation of Complete disable matrix. took 4 ms. Total solver calls (SAT/UNSAT): 0(0/0)
[2025-06-06 00:32:48] [INFO ] Computing symmetric may enable matrix : 136 transitions.
[2025-06-06 00:32:48] [INFO ] Computation of Complete enable matrix. took 2 ms. Total solver calls (SAT/UNSAT): 0(0/0)
[2025-06-06 00:32:48] [INFO ] Computing Do-Not-Accords matrix : 136 transitions.
[2025-06-06 00:32:48] [INFO ] Computation of Completed DNA matrix. took 1 ms. Total solver calls (SAT/UNSAT): 0(0/0)
[2025-06-06 00:32:48] [INFO ] Built C files in 22ms conformant to PINS (ltsmin variant)in folder :/tmp/ltsmin5600621238384176173
Running compilation step : cd /tmp/ltsmin5600621238384176173;'/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 287 ms.
Running link step : cd /tmp/ltsmin5600621238384176173;'gcc' '-shared' '-o' 'gal.so' 'model.o'
Link finished in 36 ms.
Running LTSmin : cd /tmp/ltsmin5600621238384176173;'/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/stateBased15032725630967094872.hoa' '--buchi-type=spotba'
WARNING : LTS min runner thread was asked to interrupt. Dying gracefully.
Support contains 5 out of 105 places. Attempting structural reductions.
Starting structural reductions in SI_LTL mode, iteration 0 : 105/105 places, 136/136 transitions.
Applied a total of 0 rules in 8 ms. Remains 105 /105 variables (removed 0) and now considering 136/136 (removed 0) transitions.
// Phase 1: matrix 136 rows 105 cols
[2025-06-06 00:33:03] [INFO ] Computed 4 invariants in 2 ms
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-06 00:33:03] [INFO ] Implicit Places using invariants in 62 ms returned []
[2025-06-06 00:33:03] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-06 00:33:04] [INFO ] State equation strengthened by 67 read => feed constraints.
[2025-06-06 00:33:04] [INFO ] Implicit Places using invariants and state equation in 323 ms returned []
Implicit Place search using SMT with State Equation took 385 ms to find 0 implicit places.
Starting Z3 with timeout 200.0 s and query timeout 20000.0 ms
[2025-06-06 00:33:04] [INFO ] Redundant transitions in 1 ms returned []
Running 135 sub problems to find dead transitions.
[2025-06-06 00:33:04] [INFO ] Invariant cache hit.
[2025-06-06 00:33:04] [INFO ] State equation strengthened by 67 read => feed constraints.
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/104 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 135 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/104 variables, 2/3 constraints. Problems are: Problem set: 0 solved, 135 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/104 variables, 0/3 constraints. Problems are: Problem set: 0 solved, 135 unsolved
At refinement iteration 3 (OVERLAPS) 1/105 variables, 1/4 constraints. Problems are: Problem set: 0 solved, 135 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/105 variables, 0/4 constraints. Problems are: Problem set: 0 solved, 135 unsolved
At refinement iteration 5 (OVERLAPS) 136/241 variables, 105/109 constraints. Problems are: Problem set: 0 solved, 135 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/241 variables, 67/176 constraints. Problems are: Problem set: 0 solved, 135 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/241 variables, 0/176 constraints. Problems are: Problem set: 0 solved, 135 unsolved
At refinement iteration 8 (OVERLAPS) 0/241 variables, 0/176 constraints. Problems are: Problem set: 0 solved, 135 unsolved
No progress, stopping.
After SMT solving in domain Real declared 241/241 variables, and 176 constraints, problems are : Problem set: 0 solved, 135 unsolved in 7842 ms.
Refiners :[Positive P Invariants (semi-flows): 2/2 constraints, Generalized P Invariants (flows): 2/2 constraints, State Equation: 105/105 constraints, ReadFeed: 67/67 constraints, PredecessorRefiner: 135/135 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 135 unsolved
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/104 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 135 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/104 variables, 2/3 constraints. Problems are: Problem set: 0 solved, 135 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/104 variables, 0/3 constraints. Problems are: Problem set: 0 solved, 135 unsolved
At refinement iteration 3 (OVERLAPS) 1/105 variables, 1/4 constraints. Problems are: Problem set: 0 solved, 135 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/105 variables, 0/4 constraints. Problems are: Problem set: 0 solved, 135 unsolved
At refinement iteration 5 (OVERLAPS) 136/241 variables, 105/109 constraints. Problems are: Problem set: 0 solved, 135 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/241 variables, 67/176 constraints. Problems are: Problem set: 0 solved, 135 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/241 variables, 135/311 constraints. Problems are: Problem set: 0 solved, 135 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-06 00:33:16] [INFO ] Deduced a trap composed of 21 places in 38 ms of which 3 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-06 00:33:16] [INFO ] Deduced a trap composed of 35 places in 39 ms of which 2 ms to minimize.
At refinement iteration 8 (INCLUDED_ONLY) 0/241 variables, 2/313 constraints. Problems are: Problem set: 0 solved, 135 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-06 00:33:21] [INFO ] Deduced a trap along path composed of 20 places in 26 ms of which 0 ms to minimize.
At refinement iteration 9 (INCLUDED_ONLY) 0/241 variables, 1/314 constraints. Problems are: Problem set: 0 solved, 135 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/241 variables, 0/314 constraints. Problems are: Problem set: 0 solved, 135 unsolved
At refinement iteration 11 (OVERLAPS) 0/241 variables, 0/314 constraints. Problems are: Problem set: 0 solved, 135 unsolved
No progress, stopping.
After SMT solving in domain Int declared 241/241 variables, and 314 constraints, problems are : Problem set: 0 solved, 135 unsolved in 30011 ms.
Refiners :[Positive P Invariants (semi-flows): 2/2 constraints, Generalized P Invariants (flows): 2/2 constraints, State Equation: 105/105 constraints, ReadFeed: 67/67 constraints, PredecessorRefiner: 135/135 constraints, Known Traps: 2/2 constraints, Known Traps Along Path: 1/1 constraints]
After SMT, in 37908ms problems are : Problem set: 0 solved, 135 unsolved
Search for dead transitions found 0 dead transitions in 37909ms
Finished structural reductions in SI_LTL mode , in 1 iterations and 38307 ms. Remains : 105/105 places, 136/136 transitions.
Built C files in :
/tmp/ltsmin14901911802611322488
[2025-06-06 00:33:42] [INFO ] Computing symmetric may disable matrix : 136 transitions.
[2025-06-06 00:33:42] [INFO ] Computation of Complete disable matrix. took 3 ms. Total solver calls (SAT/UNSAT): 0(0/0)
[2025-06-06 00:33:42] [INFO ] Computing symmetric may enable matrix : 136 transitions.
[2025-06-06 00:33:42] [INFO ] Computation of Complete enable matrix. took 2 ms. Total solver calls (SAT/UNSAT): 0(0/0)
[2025-06-06 00:33:42] [INFO ] Computing Do-Not-Accords matrix : 136 transitions.
[2025-06-06 00:33:42] [INFO ] Computation of Completed DNA matrix. took 2 ms. Total solver calls (SAT/UNSAT): 0(0/0)
[2025-06-06 00:33:42] [INFO ] Built C files in 21ms conformant to PINS (ltsmin variant)in folder :/tmp/ltsmin14901911802611322488
Running compilation step : cd /tmp/ltsmin14901911802611322488;'/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 278 ms.
Running link step : cd /tmp/ltsmin14901911802611322488;'gcc' '-shared' '-o' 'gal.so' 'model.o'
Link finished in 39 ms.
Running LTSmin : cd /tmp/ltsmin14901911802611322488;'/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/stateBased11246759085456426230.hoa' '--buchi-type=spotba'
LTSmin run took 8601 ms.
FORMULA SieveSingleMsgMbox-PT-d1m64-LTLFireability-13 FALSE TECHNIQUES PARTIAL_ORDER EXPLICIT LTSMIN SAT_SMT
Treatment of property SieveSingleMsgMbox-PT-d1m64-LTLFireability-13 finished in 264392 ms.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202505121319/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!(G(F(((!p0&&F(!p1)) U (G((!p0&&F(!p1)))||(!p0&&G(!p1)))))))'
Support contains 3 out of 141 places. Attempting structural reductions.
Starting structural reductions in SI_LTL mode, iteration 0 : 141/141 places, 260/260 transitions.
Discarding 16 places :
Symmetric choice reduction at 0 with 16 rule applications. Total rules 16 place count 125 transition count 167
Iterating global reduction 0 with 16 rules applied. Total rules applied 32 place count 125 transition count 167
Ensure Unique test removed 1 transitions
Reduce isomorphic transitions removed 1 transitions.
Iterating post reduction 0 with 1 rules applied. Total rules applied 33 place count 125 transition count 166
Discarding 15 places :
Symmetric choice reduction at 1 with 15 rule applications. Total rules 48 place count 110 transition count 150
Iterating global reduction 1 with 15 rules applied. Total rules applied 63 place count 110 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 69 place count 110 transition count 144
Discarding 9 places :
Symmetric choice reduction at 2 with 9 rule applications. Total rules 78 place count 101 transition count 135
Iterating global reduction 2 with 9 rules applied. Total rules applied 87 place count 101 transition count 135
Ensure Unique test removed 6 transitions
Reduce isomorphic transitions removed 6 transitions.
Iterating post reduction 2 with 6 rules applied. Total rules applied 93 place count 101 transition count 129
Discarding 2 places :
Symmetric choice reduction at 3 with 2 rule applications. Total rules 95 place count 99 transition count 127
Iterating global reduction 3 with 2 rules applied. Total rules applied 97 place count 99 transition count 127
Discarding 2 places :
Symmetric choice reduction at 3 with 2 rule applications. Total rules 99 place count 97 transition count 125
Iterating global reduction 3 with 2 rules applied. Total rules applied 101 place count 97 transition count 125
Discarding 1 places :
Symmetric choice reduction at 3 with 1 rule applications. Total rules 102 place count 96 transition count 123
Iterating global reduction 3 with 1 rules applied. Total rules applied 103 place count 96 transition count 123
Discarding 1 places :
Symmetric choice reduction at 3 with 1 rule applications. Total rules 104 place count 95 transition count 122
Iterating global reduction 3 with 1 rules applied. Total rules applied 105 place count 95 transition count 122
Discarding 1 places :
Symmetric choice reduction at 3 with 1 rule applications. Total rules 106 place count 94 transition count 121
Iterating global reduction 3 with 1 rules applied. Total rules applied 107 place count 94 transition count 121
Applied a total of 107 rules in 16 ms. Remains 94 /141 variables (removed 47) and now considering 121/260 (removed 139) transitions.
// Phase 1: matrix 121 rows 94 cols
[2025-06-06 00:33:51] [INFO ] Computed 4 invariants in 2 ms
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-06 00:33:51] [INFO ] Implicit Places using invariants in 54 ms returned []
[2025-06-06 00:33:51] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-06 00:33:51] [INFO ] State equation strengthened by 60 read => feed constraints.
[2025-06-06 00:33:51] [INFO ] Implicit Places using invariants and state equation in 263 ms returned []
Implicit Place search using SMT with State Equation took 318 ms to find 0 implicit places.
Starting Z3 with timeout 200.0 s and query timeout 20000.0 ms
[2025-06-06 00:33:51] [INFO ] Redundant transitions in 1 ms returned []
Running 120 sub problems to find dead transitions.
[2025-06-06 00:33:51] [INFO ] Invariant cache hit.
[2025-06-06 00:33:51] [INFO ] State equation strengthened by 60 read => feed constraints.
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/93 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 120 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/93 variables, 2/3 constraints. Problems are: Problem set: 0 solved, 120 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/93 variables, 0/3 constraints. Problems are: Problem set: 0 solved, 120 unsolved
At refinement iteration 3 (OVERLAPS) 1/94 variables, 1/4 constraints. Problems are: Problem set: 0 solved, 120 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/94 variables, 0/4 constraints. Problems are: Problem set: 0 solved, 120 unsolved
At refinement iteration 5 (OVERLAPS) 121/215 variables, 94/98 constraints. Problems are: Problem set: 0 solved, 120 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/215 variables, 60/158 constraints. Problems are: Problem set: 0 solved, 120 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-06 00:33:53] [INFO ] Deduced a trap composed of 21 places in 35 ms of which 3 ms to minimize.
At refinement iteration 7 (INCLUDED_ONLY) 0/215 variables, 1/159 constraints. Problems are: Problem set: 0 solved, 120 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/215 variables, 0/159 constraints. Problems are: Problem set: 0 solved, 120 unsolved
At refinement iteration 9 (OVERLAPS) 0/215 variables, 0/159 constraints. Problems are: Problem set: 0 solved, 120 unsolved
No progress, stopping.
After SMT solving in domain Real declared 215/215 variables, and 159 constraints, problems are : Problem set: 0 solved, 120 unsolved in 7865 ms.
Refiners :[Positive P Invariants (semi-flows): 2/2 constraints, Generalized P Invariants (flows): 2/2 constraints, State Equation: 94/94 constraints, ReadFeed: 60/60 constraints, PredecessorRefiner: 120/120 constraints, Known Traps: 1/1 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 120 unsolved
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/93 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 120 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/93 variables, 2/3 constraints. Problems are: Problem set: 0 solved, 120 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/93 variables, 0/3 constraints. Problems are: Problem set: 0 solved, 120 unsolved
At refinement iteration 3 (OVERLAPS) 1/94 variables, 1/4 constraints. Problems are: Problem set: 0 solved, 120 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/94 variables, 1/5 constraints. Problems are: Problem set: 0 solved, 120 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/94 variables, 0/5 constraints. Problems are: Problem set: 0 solved, 120 unsolved
At refinement iteration 6 (OVERLAPS) 121/215 variables, 94/99 constraints. Problems are: Problem set: 0 solved, 120 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/215 variables, 60/159 constraints. Problems are: Problem set: 0 solved, 120 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/215 variables, 120/279 constraints. Problems are: Problem set: 0 solved, 120 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-06 00:34:03] [INFO ] Deduced a trap along path composed of 4 places in 31 ms of which 1 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-06 00:34:03] [INFO ] Deduced a trap along path composed of 17 places in 27 ms of which 1 ms to minimize.
At refinement iteration 9 (INCLUDED_ONLY) 0/215 variables, 2/281 constraints. Problems are: Problem set: 0 solved, 120 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/215 variables, 0/281 constraints. Problems are: Problem set: 0 solved, 120 unsolved
At refinement iteration 11 (OVERLAPS) 0/215 variables, 0/281 constraints. Problems are: Problem set: 0 solved, 120 unsolved
No progress, stopping.
After SMT solving in domain Int declared 215/215 variables, and 281 constraints, problems are : Problem set: 0 solved, 120 unsolved in 25044 ms.
Refiners :[Positive P Invariants (semi-flows): 2/2 constraints, Generalized P Invariants (flows): 2/2 constraints, State Equation: 94/94 constraints, ReadFeed: 60/60 constraints, PredecessorRefiner: 120/120 constraints, Known Traps: 1/1 constraints, Known Traps Along Path: 2/2 constraints]
After SMT, in 32945ms problems are : Problem set: 0 solved, 120 unsolved
Search for dead transitions found 0 dead transitions in 32945ms
Starting structural reductions in SI_LTL mode, iteration 1 : 94/141 places, 121/260 transitions.
Finished structural reductions in SI_LTL mode , in 1 iterations and 33287 ms. Remains : 94/141 places, 121/260 transitions.
Stuttering acceptance computed with spot in 151 ms :[(OR p0 p1), (OR p0 p1), p1, p1]
Running random walk in product with property : SieveSingleMsgMbox-PT-d1m64-LTLFireability-14
Product exploration explored 100000 steps with 22347 reset in 142 ms.
Product exploration explored 100000 steps with 22479 reset in 148 ms.
Computed a total of 16 stabilizing places and 22 stable transitions
Graph (complete) has 308 edges and 94 vertex of which 93 are kept as prefixes of interest. Removing 1 places using SCC suffix rule.1 ms
Computed a total of 16 stabilizing places and 22 stable transitions
Knowledge obtained : [(AND (NOT p0) (NOT p1)), (X (AND (NOT p0) (NOT p1))), (X (NOT (AND (NOT p0) p1))), (X (NOT p0)), (X (NOT p1)), (X (X (AND (NOT p0) (NOT p1)))), (X (X (NOT (AND (NOT p0) p1)))), (X (X (NOT (AND p0 p1)))), (X (X (NOT p0))), (X (X (NOT (AND p0 (NOT p1))))), (X (X (NOT p1)))]
False Knowledge obtained : []
Knowledge based reduction with 11 factoid took 133 ms. Reduced automaton from 4 states, 13 edges and 2 AP (stutter insensitive) to 4 states, 13 edges and 2 AP (stutter insensitive).
Stuttering acceptance computed with spot in 150 ms :[(OR p0 p1), (OR p0 p1), p1, p1]
Reduction of identical properties reduced properties to check from 7 to 6
RANDOM walk for 40000 steps (8881 resets) in 125 ms. (317 steps per ms) remains 6/6 properties
BEST_FIRST walk for 40003 steps (1958 resets) in 51 ms. (769 steps per ms) remains 6/6 properties
BEST_FIRST walk for 40003 steps (1897 resets) in 44 ms. (888 steps per ms) remains 6/6 properties
BEST_FIRST walk for 40004 steps (1944 resets) in 40 ms. (975 steps per ms) remains 6/6 properties
BEST_FIRST walk for 40003 steps (1905 resets) in 42 ms. (930 steps per ms) remains 6/6 properties
BEST_FIRST walk for 40002 steps (1856 resets) in 42 ms. (930 steps per ms) remains 6/6 properties
BEST_FIRST walk for 40003 steps (1874 resets) in 53 ms. (740 steps per ms) remains 6/6 properties
Interrupted probabilistic random walk after 748344 steps, run timeout after 3001 ms. (steps per millisecond=249 ) properties seen :3 out of 6
Probabilistic random walk after 748344 steps, saw 317302 distinct states, run finished after 3001 ms. (steps per millisecond=249 ) properties seen :3
[2025-06-06 00:34:28] [INFO ] Invariant cache hit.
[2025-06-06 00:34:28] [INFO ] State equation strengthened by 60 read => feed constraints.
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/3 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 1 (OVERLAPS) 55/58 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/58 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 3 (OVERLAPS) 11/69 variables, 2/3 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/69 variables, 0/3 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 5 (OVERLAPS) 3/72 variables, 1/4 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/72 variables, 0/4 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 7 (OVERLAPS) 106/178 variables, 72/76 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/178 variables, 45/121 constraints. Problems are: Problem set: 0 solved, 3 unsolved
All remaining problems are real, not stopping.
At refinement iteration 9 (INCLUDED_ONLY) 0/178 variables, 0/121 constraints. Problems are: Problem set: 0 solved, 3 unsolved
Problem apf2 is UNSAT
At refinement iteration 10 (OVERLAPS) 37/215 variables, 22/143 constraints. Problems are: Problem set: 1 solved, 2 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/215 variables, 15/158 constraints. Problems are: Problem set: 1 solved, 2 unsolved
At refinement iteration 12 (INCLUDED_ONLY) 0/215 variables, 0/158 constraints. Problems are: Problem set: 1 solved, 2 unsolved
At refinement iteration 13 (OVERLAPS) 0/215 variables, 0/158 constraints. Problems are: Problem set: 1 solved, 2 unsolved
No progress, stopping.
After SMT solving in domain Real declared 215/215 variables, and 158 constraints, problems are : Problem set: 1 solved, 2 unsolved in 159 ms.
Refiners :[Positive P Invariants (semi-flows): 2/2 constraints, Generalized P Invariants (flows): 2/2 constraints, State Equation: 94/94 constraints, ReadFeed: 60/60 constraints, PredecessorRefiner: 3/3 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 1 solved, 2 unsolved
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/3 variables, 0/0 constraints. Problems are: Problem set: 1 solved, 2 unsolved
At refinement iteration 1 (OVERLAPS) 55/58 variables, 1/1 constraints. Problems are: Problem set: 1 solved, 2 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/58 variables, 0/1 constraints. Problems are: Problem set: 1 solved, 2 unsolved
At refinement iteration 3 (OVERLAPS) 11/69 variables, 2/3 constraints. Problems are: Problem set: 1 solved, 2 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-06 00:34:28] [INFO ] Deduced a trap composed of 35 places in 30 ms of which 1 ms to minimize.
At refinement iteration 4 (INCLUDED_ONLY) 0/69 variables, 1/4 constraints. Problems are: Problem set: 1 solved, 2 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/69 variables, 0/4 constraints. Problems are: Problem set: 1 solved, 2 unsolved
At refinement iteration 6 (OVERLAPS) 3/72 variables, 1/5 constraints. Problems are: Problem set: 1 solved, 2 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/72 variables, 0/5 constraints. Problems are: Problem set: 1 solved, 2 unsolved
At refinement iteration 8 (OVERLAPS) 106/178 variables, 72/77 constraints. Problems are: Problem set: 1 solved, 2 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/178 variables, 45/122 constraints. Problems are: Problem set: 1 solved, 2 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/178 variables, 0/122 constraints. Problems are: Problem set: 1 solved, 2 unsolved
At refinement iteration 11 (OVERLAPS) 37/215 variables, 22/144 constraints. Problems are: Problem set: 1 solved, 2 unsolved
At refinement iteration 12 (INCLUDED_ONLY) 0/215 variables, 15/159 constraints. Problems are: Problem set: 1 solved, 2 unsolved
At refinement iteration 13 (INCLUDED_ONLY) 0/215 variables, 2/161 constraints. Problems are: Problem set: 1 solved, 2 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-06 00:34:28] [INFO ] Deduced a trap composed of 21 places in 44 ms of which 3 ms to minimize.
At refinement iteration 14 (INCLUDED_ONLY) 0/215 variables, 1/162 constraints. Problems are: Problem set: 1 solved, 2 unsolved
At refinement iteration 15 (INCLUDED_ONLY) 0/215 variables, 0/162 constraints. Problems are: Problem set: 1 solved, 2 unsolved
At refinement iteration 16 (OVERLAPS) 0/215 variables, 0/162 constraints. Problems are: Problem set: 1 solved, 2 unsolved
No progress, stopping.
After SMT solving in domain Int declared 215/215 variables, and 162 constraints, problems are : Problem set: 1 solved, 2 unsolved in 601 ms.
Refiners :[Positive P Invariants (semi-flows): 2/2 constraints, Generalized P Invariants (flows): 2/2 constraints, State Equation: 94/94 constraints, ReadFeed: 60/60 constraints, PredecessorRefiner: 2/3 constraints, Known Traps: 2/2 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 765ms problems are : Problem set: 1 solved, 2 unsolved
Fused 2 Parikh solutions to 1 different solutions.
Parikh walk visited 0 properties in 2007 ms.
Support contains 3 out of 94 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 94/94 places, 121/121 transitions.
Graph (complete) has 272 edges and 94 vertex of which 93 are kept as prefixes of interest. Removing 1 places using SCC suffix rule.0 ms
Discarding 1 places :
Also discarding 0 output transitions
Drop transitions (Empty/Sink Transition effects.) removed 2 transitions
Reduce isomorphic transitions removed 2 transitions.
Iterating post reduction 0 with 2 rules applied. Total rules applied 3 place count 93 transition count 119
Applied a total of 3 rules in 3 ms. Remains 93 /94 variables (removed 1) and now considering 119/121 (removed 2) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 4 ms. Remains : 93/94 places, 119/121 transitions.
RANDOM walk for 40000 steps (8952 resets) in 96 ms. (412 steps per ms) remains 2/2 properties
BEST_FIRST walk for 40003 steps (1919 resets) in 30 ms. (1290 steps per ms) remains 2/2 properties
BEST_FIRST walk for 40004 steps (1944 resets) in 35 ms. (1111 steps per ms) remains 2/2 properties
Interrupted probabilistic random walk after 1012312 steps, run timeout after 3001 ms. (steps per millisecond=337 ) properties seen :0 out of 2
Probabilistic random walk after 1012312 steps, saw 425837 distinct states, run finished after 3001 ms. (steps per millisecond=337 ) properties seen :0
// Phase 1: matrix 119 rows 93 cols
[2025-06-06 00:34:34] [INFO ] Computed 3 invariants in 1 ms
[2025-06-06 00:34:34] [INFO ] State equation strengthened by 58 read => feed constraints.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/3 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 1 (OVERLAPS) 79/82 variables, 3/3 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/82 variables, 18/21 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/82 variables, 0/21 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 4 (OVERLAPS) 124/206 variables, 84/105 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/206 variables, 1/106 constraints. Problems are: Problem set: 0 solved, 2 unsolved
All remaining problems are real, not stopping.
At refinement iteration 6 (INCLUDED_ONLY) 0/206 variables, 40/146 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/206 variables, 0/146 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 8 (OVERLAPS) 6/212 variables, 2/148 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/212 variables, 6/154 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/212 variables, 0/154 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 11 (OVERLAPS) 0/212 variables, 0/154 constraints. Problems are: Problem set: 0 solved, 2 unsolved
No progress, stopping.
After SMT solving in domain Real declared 212/212 variables, and 154 constraints, problems are : Problem set: 0 solved, 2 unsolved in 124 ms.
Refiners :[Positive P Invariants (semi-flows): 3/3 constraints, State Equation: 93/93 constraints, ReadFeed: 58/58 constraints, PredecessorRefiner: 2/2 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 2 unsolved
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/3 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 1 (OVERLAPS) 79/82 variables, 3/3 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/82 variables, 18/21 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/82 variables, 0/21 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 4 (OVERLAPS) 124/206 variables, 84/105 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/206 variables, 1/106 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/206 variables, 40/146 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/206 variables, 2/148 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/206 variables, 0/148 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 9 (OVERLAPS) 6/212 variables, 2/150 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/212 variables, 6/156 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/212 variables, 0/156 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 12 (OVERLAPS) 0/212 variables, 0/156 constraints. Problems are: Problem set: 0 solved, 2 unsolved
No progress, stopping.
After SMT solving in domain Int declared 212/212 variables, and 156 constraints, problems are : Problem set: 0 solved, 2 unsolved in 506 ms.
Refiners :[Positive P Invariants (semi-flows): 3/3 constraints, State Equation: 93/93 constraints, ReadFeed: 58/58 constraints, PredecessorRefiner: 2/2 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 635ms problems are : Problem set: 0 solved, 2 unsolved
Parikh walk visited 0 properties in 602 ms.
Support contains 3 out of 93 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 93/93 places, 119/119 transitions.
Applied a total of 0 rules in 2 ms. Remains 93 /93 variables (removed 0) and now considering 119/119 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 2 ms. Remains : 93/93 places, 119/119 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 93/93 places, 119/119 transitions.
Applied a total of 0 rules in 2 ms. Remains 93 /93 variables (removed 0) and now considering 119/119 (removed 0) transitions.
[2025-06-06 00:34:35] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-06 00:34:35] [INFO ] Implicit Places using invariants in 49 ms returned []
[2025-06-06 00:34:35] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-06 00:34:35] [INFO ] State equation strengthened by 58 read => feed constraints.
[2025-06-06 00:34:35] [INFO ] Implicit Places using invariants and state equation in 237 ms returned []
Implicit Place search using SMT with State Equation took 288 ms to find 0 implicit places.
Starting Z3 with timeout 200.0 s and query timeout 20000.0 ms
[2025-06-06 00:34:35] [INFO ] Redundant transitions in 0 ms returned []
Running 118 sub problems to find dead transitions.
[2025-06-06 00:34:35] [INFO ] Invariant cache hit.
[2025-06-06 00:34:35] [INFO ] State equation strengthened by 58 read => feed constraints.
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/92 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 118 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/92 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 118 unsolved
At refinement iteration 2 (OVERLAPS) 1/93 variables, 2/3 constraints. Problems are: Problem set: 0 solved, 118 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/93 variables, 0/3 constraints. Problems are: Problem set: 0 solved, 118 unsolved
At refinement iteration 4 (OVERLAPS) 119/212 variables, 93/96 constraints. Problems are: Problem set: 0 solved, 118 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/212 variables, 58/154 constraints. Problems are: Problem set: 0 solved, 118 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-06 00:34:37] [INFO ] Deduced a trap composed of 20 places in 35 ms of which 2 ms to minimize.
All remaining problems are real, not stopping.
At refinement iteration 6 (INCLUDED_ONLY) 0/212 variables, 1/155 constraints. Problems are: Problem set: 0 solved, 118 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/212 variables, 0/155 constraints. Problems are: Problem set: 0 solved, 118 unsolved
At refinement iteration 8 (OVERLAPS) 0/212 variables, 0/155 constraints. Problems are: Problem set: 0 solved, 118 unsolved
No progress, stopping.
After SMT solving in domain Real declared 212/212 variables, and 155 constraints, problems are : Problem set: 0 solved, 118 unsolved in 6311 ms.
Refiners :[Positive P Invariants (semi-flows): 3/3 constraints, State Equation: 93/93 constraints, ReadFeed: 58/58 constraints, PredecessorRefiner: 118/118 constraints, Known Traps: 1/1 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 118 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, 118 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/92 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 118 unsolved
At refinement iteration 2 (OVERLAPS) 1/93 variables, 2/3 constraints. Problems are: Problem set: 0 solved, 118 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/93 variables, 1/4 constraints. Problems are: Problem set: 0 solved, 118 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/93 variables, 0/4 constraints. Problems are: Problem set: 0 solved, 118 unsolved
At refinement iteration 5 (OVERLAPS) 119/212 variables, 93/97 constraints. Problems are: Problem set: 0 solved, 118 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/212 variables, 58/155 constraints. Problems are: Problem set: 0 solved, 118 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/212 variables, 118/273 constraints. Problems are: Problem set: 0 solved, 118 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-06 00:34:49] [INFO ] Deduced a trap along path composed of 17 places in 28 ms of which 1 ms to minimize.
At refinement iteration 8 (INCLUDED_ONLY) 0/212 variables, 1/274 constraints. Problems are: Problem set: 0 solved, 118 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/212 variables, 0/274 constraints. Problems are: Problem set: 0 solved, 118 unsolved
At refinement iteration 10 (OVERLAPS) 0/212 variables, 0/274 constraints. Problems are: Problem set: 0 solved, 118 unsolved
No progress, stopping.
After SMT solving in domain Int declared 212/212 variables, and 274 constraints, problems are : Problem set: 0 solved, 118 unsolved in 27912 ms.
Refiners :[Positive P Invariants (semi-flows): 3/3 constraints, State Equation: 93/93 constraints, ReadFeed: 58/58 constraints, PredecessorRefiner: 118/118 constraints, Known Traps: 1/1 constraints, Known Traps Along Path: 1/1 constraints]
After SMT, in 34273ms problems are : Problem set: 0 solved, 118 unsolved
Search for dead transitions found 0 dead transitions in 34274ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 34572 ms. Remains : 93/93 places, 119/119 transitions.
Attempting over-approximation, by ignoring read arcs.
Drop transitions (Empty/Sink Transition effects.) removed 1 transitions
Reduce isomorphic transitions removed 1 transitions.
Drop transitions (Trivial Post-Agglo cleanup.) removed 6 transitions
Trivial Post-agglo rules discarded 6 transitions
Performed 6 trivial Post agglomeration. Transition count delta: 6
Iterating post reduction 0 with 7 rules applied. Total rules applied 7 place count 93 transition count 112
Reduce places removed 6 places and 0 transitions.
Iterating post reduction 1 with 6 rules applied. Total rules applied 13 place count 87 transition count 112
Performed 14 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 2 with 14 Pre rules applied. Total rules applied 13 place count 87 transition count 98
Deduced a syphon composed of 14 places in 0 ms
Reduce places removed 14 places and 0 transitions.
Iterating global reduction 2 with 28 rules applied. Total rules applied 41 place count 73 transition count 98
Performed 9 Post agglomeration using F-continuation condition.Transition count delta: 9
Deduced a syphon composed of 9 places in 0 ms
Reduce places removed 9 places and 0 transitions.
Iterating global reduction 2 with 18 rules applied. Total rules applied 59 place count 64 transition count 89
Applied a total of 59 rules in 4 ms. Remains 64 /93 variables (removed 29) and now considering 89/119 (removed 30) transitions.
Running SMT prover for 2 properties.
// Phase 1: matrix 89 rows 64 cols
[2025-06-06 00:35:10] [INFO ] Computed 3 invariants in 1 ms
Starting Z3 with timeout 450.0 s and query timeout 45000.0 ms
[2025-06-06 00:35:10] [INFO ] [Real]Absence check using 3 positive place invariants in 1 ms returned sat
[2025-06-06 00:35:10] [INFO ] After 83ms SMT Verify possible using all constraints in real domain returned unsat :0 sat :0 real:2
Starting Z3 with timeout 450.0 s and query timeout 45000.0 ms
[2025-06-06 00:35:10] [INFO ] [Nat]Absence check using 3 positive place invariants in 1 ms returned sat
[2025-06-06 00:35:10] [INFO ] After 40ms SMT Verify possible using state equation in natural domain returned unsat :0 sat :2
TRAPS : Iteration 0
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-06 00:35:10] [INFO ] Deduced a trap composed of 12 places in 32 ms of which 2 ms to minimize.
[2025-06-06 00:35:10] [INFO ] Trap strengthening (SAT) tested/added 2/1 trap constraints in 39 ms
TRAPS : Iteration 1
[2025-06-06 00:35:10] [INFO ] After 126ms SMT Verify possible using trap constraints in natural domain returned unsat :0 sat :2
[2025-06-06 00:35:10] [INFO ] After 171ms SMT Verify possible using all constraints in natural domain returned unsat :0 sat :2
Over-approximation ignoring read arcs solved 0 properties in 261 ms.
Found 1 invariant AP formulas.
Knowledge obtained : [(AND (NOT p0) (NOT p1)), (X (AND (NOT p0) (NOT p1))), (X (NOT (AND (NOT p0) p1))), (X (NOT p0)), (X (NOT p1)), (X (X (AND (NOT p0) (NOT p1)))), (X (X (NOT (AND (NOT p0) p1)))), (X (X (NOT (AND p0 p1)))), (X (X (NOT p0))), (X (X (NOT (AND p0 (NOT p1))))), (X (X (NOT p1))), (G (OR (NOT p0) (NOT p1)))]
False Knowledge obtained : [(F p1), (F (NOT (AND (NOT p0) (NOT p1)))), (F (NOT (AND (NOT p0) (NOT p1)))), (F (NOT (OR p0 (NOT p1))))]
Knowledge based reduction with 12 factoid took 257 ms. Reduced automaton from 4 states, 13 edges and 2 AP (stutter insensitive) to 4 states, 13 edges and 2 AP (stutter insensitive).
Stuttering acceptance computed with spot in 164 ms :[(OR p0 p1), (OR p0 p1), p1, p1]
Stuttering acceptance computed with spot in 149 ms :[(OR p0 p1), (OR p0 p1), p1, p1]
Support contains 3 out of 94 places. Attempting structural reductions.
Starting structural reductions in SI_LTL mode, iteration 0 : 94/94 places, 121/121 transitions.
Applied a total of 0 rules in 4 ms. Remains 94 /94 variables (removed 0) and now considering 121/121 (removed 0) transitions.
// Phase 1: matrix 121 rows 94 cols
[2025-06-06 00:35:10] [INFO ] Computed 4 invariants in 1 ms
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-06 00:35:10] [INFO ] Implicit Places using invariants in 47 ms returned []
[2025-06-06 00:35:10] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-06 00:35:10] [INFO ] State equation strengthened by 60 read => feed constraints.
[2025-06-06 00:35:11] [INFO ] Implicit Places using invariants and state equation in 268 ms returned []
Implicit Place search using SMT with State Equation took 316 ms to find 0 implicit places.
Starting Z3 with timeout 200.0 s and query timeout 20000.0 ms
[2025-06-06 00:35:11] [INFO ] Redundant transitions in 0 ms returned []
Running 120 sub problems to find dead transitions.
[2025-06-06 00:35:11] [INFO ] Invariant cache hit.
[2025-06-06 00:35:11] [INFO ] State equation strengthened by 60 read => feed constraints.
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/93 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 120 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/93 variables, 2/3 constraints. Problems are: Problem set: 0 solved, 120 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/93 variables, 0/3 constraints. Problems are: Problem set: 0 solved, 120 unsolved
At refinement iteration 3 (OVERLAPS) 1/94 variables, 1/4 constraints. Problems are: Problem set: 0 solved, 120 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/94 variables, 0/4 constraints. Problems are: Problem set: 0 solved, 120 unsolved
At refinement iteration 5 (OVERLAPS) 121/215 variables, 94/98 constraints. Problems are: Problem set: 0 solved, 120 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/215 variables, 60/158 constraints. Problems are: Problem set: 0 solved, 120 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-06 00:35:13] [INFO ] Deduced a trap composed of 21 places in 36 ms of which 3 ms to minimize.
At refinement iteration 7 (INCLUDED_ONLY) 0/215 variables, 1/159 constraints. Problems are: Problem set: 0 solved, 120 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/215 variables, 0/159 constraints. Problems are: Problem set: 0 solved, 120 unsolved
At refinement iteration 9 (OVERLAPS) 0/215 variables, 0/159 constraints. Problems are: Problem set: 0 solved, 120 unsolved
No progress, stopping.
After SMT solving in domain Real declared 215/215 variables, and 159 constraints, problems are : Problem set: 0 solved, 120 unsolved in 7901 ms.
Refiners :[Positive P Invariants (semi-flows): 2/2 constraints, Generalized P Invariants (flows): 2/2 constraints, State Equation: 94/94 constraints, ReadFeed: 60/60 constraints, PredecessorRefiner: 120/120 constraints, Known Traps: 1/1 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 120 unsolved
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/93 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 120 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/93 variables, 2/3 constraints. Problems are: Problem set: 0 solved, 120 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/93 variables, 0/3 constraints. Problems are: Problem set: 0 solved, 120 unsolved
At refinement iteration 3 (OVERLAPS) 1/94 variables, 1/4 constraints. Problems are: Problem set: 0 solved, 120 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/94 variables, 1/5 constraints. Problems are: Problem set: 0 solved, 120 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/94 variables, 0/5 constraints. Problems are: Problem set: 0 solved, 120 unsolved
At refinement iteration 6 (OVERLAPS) 121/215 variables, 94/99 constraints. Problems are: Problem set: 0 solved, 120 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/215 variables, 60/159 constraints. Problems are: Problem set: 0 solved, 120 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/215 variables, 120/279 constraints. Problems are: Problem set: 0 solved, 120 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-06 00:35:23] [INFO ] Deduced a trap along path composed of 4 places in 29 ms of which 1 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-06 00:35:23] [INFO ] Deduced a trap along path composed of 17 places in 23 ms of which 0 ms to minimize.
At refinement iteration 9 (INCLUDED_ONLY) 0/215 variables, 2/281 constraints. Problems are: Problem set: 0 solved, 120 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/215 variables, 0/281 constraints. Problems are: Problem set: 0 solved, 120 unsolved
At refinement iteration 11 (OVERLAPS) 0/215 variables, 0/281 constraints. Problems are: Problem set: 0 solved, 120 unsolved
No progress, stopping.
After SMT solving in domain Int declared 215/215 variables, and 281 constraints, problems are : Problem set: 0 solved, 120 unsolved in 24972 ms.
Refiners :[Positive P Invariants (semi-flows): 2/2 constraints, Generalized P Invariants (flows): 2/2 constraints, State Equation: 94/94 constraints, ReadFeed: 60/60 constraints, PredecessorRefiner: 120/120 constraints, Known Traps: 1/1 constraints, Known Traps Along Path: 2/2 constraints]
After SMT, in 32910ms problems are : Problem set: 0 solved, 120 unsolved
Search for dead transitions found 0 dead transitions in 32910ms
Finished structural reductions in SI_LTL mode , in 1 iterations and 33237 ms. Remains : 94/94 places, 121/121 transitions.
Computed a total of 16 stabilizing places and 22 stable transitions
Graph (complete) has 308 edges and 94 vertex of which 93 are kept as prefixes of interest. Removing 1 places using SCC suffix rule.3 ms
Computed a total of 16 stabilizing places and 22 stable transitions
Knowledge obtained : [(AND (NOT p0) (NOT p1)), (X (AND (NOT p0) (NOT p1))), (X (NOT (AND (NOT p0) p1))), (X (NOT p0)), (X (NOT p1)), (X (X (AND (NOT p0) (NOT p1)))), (X (X (NOT (AND (NOT p0) p1)))), (X (X (NOT (AND p0 p1)))), (X (X (NOT p0))), (X (X (NOT (AND p0 (NOT p1))))), (X (X (NOT p1)))]
False Knowledge obtained : []
Knowledge based reduction with 11 factoid took 115 ms. Reduced automaton from 4 states, 13 edges and 2 AP (stutter insensitive) to 4 states, 13 edges and 2 AP (stutter insensitive).
Stuttering acceptance computed with spot in 175 ms :[(OR p0 p1), (OR p0 p1), p1, p1]
Reduction of identical properties reduced properties to check from 7 to 6
RANDOM walk for 40000 steps (9005 resets) in 159 ms. (250 steps per ms) remains 6/6 properties
BEST_FIRST walk for 40003 steps (1853 resets) in 58 ms. (678 steps per ms) remains 6/6 properties
BEST_FIRST walk for 40003 steps (1937 resets) in 54 ms. (727 steps per ms) remains 6/6 properties
BEST_FIRST walk for 40002 steps (1916 resets) in 55 ms. (714 steps per ms) remains 6/6 properties
BEST_FIRST walk for 40004 steps (1902 resets) in 39 ms. (1000 steps per ms) remains 6/6 properties
BEST_FIRST walk for 40004 steps (1911 resets) in 54 ms. (727 steps per ms) remains 6/6 properties
BEST_FIRST walk for 40003 steps (1924 resets) in 46 ms. (851 steps per ms) remains 6/6 properties
Interrupted probabilistic random walk after 764978 steps, run timeout after 3001 ms. (steps per millisecond=254 ) properties seen :3 out of 6
Probabilistic random walk after 764978 steps, saw 324258 distinct states, run finished after 3001 ms. (steps per millisecond=254 ) properties seen :3
[2025-06-06 00:35:47] [INFO ] Invariant cache hit.
[2025-06-06 00:35:47] [INFO ] State equation strengthened by 60 read => feed constraints.
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/3 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 1 (OVERLAPS) 55/58 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/58 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 3 (OVERLAPS) 11/69 variables, 2/3 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/69 variables, 0/3 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 5 (OVERLAPS) 3/72 variables, 1/4 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/72 variables, 0/4 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 7 (OVERLAPS) 106/178 variables, 72/76 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/178 variables, 45/121 constraints. Problems are: Problem set: 0 solved, 3 unsolved
All remaining problems are real, not stopping.
At refinement iteration 9 (INCLUDED_ONLY) 0/178 variables, 0/121 constraints. Problems are: Problem set: 0 solved, 3 unsolved
Problem apf2 is UNSAT
At refinement iteration 10 (OVERLAPS) 37/215 variables, 22/143 constraints. Problems are: Problem set: 1 solved, 2 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/215 variables, 15/158 constraints. Problems are: Problem set: 1 solved, 2 unsolved
At refinement iteration 12 (INCLUDED_ONLY) 0/215 variables, 0/158 constraints. Problems are: Problem set: 1 solved, 2 unsolved
At refinement iteration 13 (OVERLAPS) 0/215 variables, 0/158 constraints. Problems are: Problem set: 1 solved, 2 unsolved
No progress, stopping.
After SMT solving in domain Real declared 215/215 variables, and 158 constraints, problems are : Problem set: 1 solved, 2 unsolved in 159 ms.
Refiners :[Positive P Invariants (semi-flows): 2/2 constraints, Generalized P Invariants (flows): 2/2 constraints, State Equation: 94/94 constraints, ReadFeed: 60/60 constraints, PredecessorRefiner: 3/3 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 1 solved, 2 unsolved
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/3 variables, 0/0 constraints. Problems are: Problem set: 1 solved, 2 unsolved
At refinement iteration 1 (OVERLAPS) 55/58 variables, 1/1 constraints. Problems are: Problem set: 1 solved, 2 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/58 variables, 0/1 constraints. Problems are: Problem set: 1 solved, 2 unsolved
At refinement iteration 3 (OVERLAPS) 11/69 variables, 2/3 constraints. Problems are: Problem set: 1 solved, 2 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-06 00:35:47] [INFO ] Deduced a trap composed of 35 places in 31 ms of which 2 ms to minimize.
At refinement iteration 4 (INCLUDED_ONLY) 0/69 variables, 1/4 constraints. Problems are: Problem set: 1 solved, 2 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/69 variables, 0/4 constraints. Problems are: Problem set: 1 solved, 2 unsolved
At refinement iteration 6 (OVERLAPS) 3/72 variables, 1/5 constraints. Problems are: Problem set: 1 solved, 2 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/72 variables, 0/5 constraints. Problems are: Problem set: 1 solved, 2 unsolved
At refinement iteration 8 (OVERLAPS) 106/178 variables, 72/77 constraints. Problems are: Problem set: 1 solved, 2 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/178 variables, 45/122 constraints. Problems are: Problem set: 1 solved, 2 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/178 variables, 0/122 constraints. Problems are: Problem set: 1 solved, 2 unsolved
At refinement iteration 11 (OVERLAPS) 37/215 variables, 22/144 constraints. Problems are: Problem set: 1 solved, 2 unsolved
At refinement iteration 12 (INCLUDED_ONLY) 0/215 variables, 15/159 constraints. Problems are: Problem set: 1 solved, 2 unsolved
At refinement iteration 13 (INCLUDED_ONLY) 0/215 variables, 2/161 constraints. Problems are: Problem set: 1 solved, 2 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-06 00:35:47] [INFO ] Deduced a trap composed of 21 places in 43 ms of which 3 ms to minimize.
At refinement iteration 14 (INCLUDED_ONLY) 0/215 variables, 1/162 constraints. Problems are: Problem set: 1 solved, 2 unsolved
At refinement iteration 15 (INCLUDED_ONLY) 0/215 variables, 0/162 constraints. Problems are: Problem set: 1 solved, 2 unsolved
At refinement iteration 16 (OVERLAPS) 0/215 variables, 0/162 constraints. Problems are: Problem set: 1 solved, 2 unsolved
No progress, stopping.
After SMT solving in domain Int declared 215/215 variables, and 162 constraints, problems are : Problem set: 1 solved, 2 unsolved in 603 ms.
Refiners :[Positive P Invariants (semi-flows): 2/2 constraints, Generalized P Invariants (flows): 2/2 constraints, State Equation: 94/94 constraints, ReadFeed: 60/60 constraints, PredecessorRefiner: 2/3 constraints, Known Traps: 2/2 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 770ms problems are : Problem set: 1 solved, 2 unsolved
Fused 2 Parikh solutions to 1 different solutions.
Parikh walk visited 0 properties in 1590 ms.
Support contains 3 out of 94 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 94/94 places, 121/121 transitions.
Graph (complete) has 272 edges and 94 vertex of which 93 are kept as prefixes of interest. Removing 1 places using SCC suffix rule.0 ms
Discarding 1 places :
Also discarding 0 output transitions
Drop transitions (Empty/Sink Transition effects.) removed 2 transitions
Reduce isomorphic transitions removed 2 transitions.
Iterating post reduction 0 with 2 rules applied. Total rules applied 3 place count 93 transition count 119
Applied a total of 3 rules in 2 ms. Remains 93 /94 variables (removed 1) and now considering 119/121 (removed 2) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 2 ms. Remains : 93/94 places, 119/121 transitions.
RANDOM walk for 40000 steps (8958 resets) in 69 ms. (571 steps per ms) remains 2/2 properties
BEST_FIRST walk for 40003 steps (1884 resets) in 29 ms. (1333 steps per ms) remains 2/2 properties
BEST_FIRST walk for 40003 steps (1900 resets) in 32 ms. (1212 steps per ms) remains 2/2 properties
Interrupted probabilistic random walk after 1025749 steps, run timeout after 3001 ms. (steps per millisecond=341 ) properties seen :0 out of 2
Probabilistic random walk after 1025749 steps, saw 431243 distinct states, run finished after 3001 ms. (steps per millisecond=341 ) properties seen :0
// Phase 1: matrix 119 rows 93 cols
[2025-06-06 00:35:52] [INFO ] Computed 3 invariants in 1 ms
[2025-06-06 00:35:52] [INFO ] State equation strengthened by 58 read => feed constraints.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/3 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 1 (OVERLAPS) 79/82 variables, 3/3 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/82 variables, 18/21 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/82 variables, 0/21 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 4 (OVERLAPS) 124/206 variables, 84/105 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/206 variables, 1/106 constraints. Problems are: Problem set: 0 solved, 2 unsolved
All remaining problems are real, not stopping.
At refinement iteration 6 (INCLUDED_ONLY) 0/206 variables, 40/146 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/206 variables, 0/146 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 8 (OVERLAPS) 6/212 variables, 2/148 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/212 variables, 6/154 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/212 variables, 0/154 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 11 (OVERLAPS) 0/212 variables, 0/154 constraints. Problems are: Problem set: 0 solved, 2 unsolved
No progress, stopping.
After SMT solving in domain Real declared 212/212 variables, and 154 constraints, problems are : Problem set: 0 solved, 2 unsolved in 126 ms.
Refiners :[Positive P Invariants (semi-flows): 3/3 constraints, State Equation: 93/93 constraints, ReadFeed: 58/58 constraints, PredecessorRefiner: 2/2 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 2 unsolved
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/3 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 1 (OVERLAPS) 79/82 variables, 3/3 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/82 variables, 18/21 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/82 variables, 0/21 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 4 (OVERLAPS) 124/206 variables, 84/105 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/206 variables, 1/106 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/206 variables, 40/146 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/206 variables, 2/148 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/206 variables, 0/148 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 9 (OVERLAPS) 6/212 variables, 2/150 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/212 variables, 6/156 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/212 variables, 0/156 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 12 (OVERLAPS) 0/212 variables, 0/156 constraints. Problems are: Problem set: 0 solved, 2 unsolved
No progress, stopping.
After SMT solving in domain Int declared 212/212 variables, and 156 constraints, problems are : Problem set: 0 solved, 2 unsolved in 511 ms.
Refiners :[Positive P Invariants (semi-flows): 3/3 constraints, State Equation: 93/93 constraints, ReadFeed: 58/58 constraints, PredecessorRefiner: 2/2 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 640ms problems are : Problem set: 0 solved, 2 unsolved
Parikh walk visited 0 properties in 647 ms.
Support contains 3 out of 93 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 93/93 places, 119/119 transitions.
Applied a total of 0 rules in 2 ms. Remains 93 /93 variables (removed 0) and now considering 119/119 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 2 ms. Remains : 93/93 places, 119/119 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 93/93 places, 119/119 transitions.
Applied a total of 0 rules in 1 ms. Remains 93 /93 variables (removed 0) and now considering 119/119 (removed 0) transitions.
[2025-06-06 00:35:54] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-06 00:35:54] [INFO ] Implicit Places using invariants in 56 ms returned []
[2025-06-06 00:35:54] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-06 00:35:54] [INFO ] State equation strengthened by 58 read => feed constraints.
[2025-06-06 00:35:54] [INFO ] Implicit Places using invariants and state equation in 219 ms returned []
Implicit Place search using SMT with State Equation took 277 ms to find 0 implicit places.
Starting Z3 with timeout 200.0 s and query timeout 20000.0 ms
[2025-06-06 00:35:54] [INFO ] Redundant transitions in 0 ms returned []
Running 118 sub problems to find dead transitions.
[2025-06-06 00:35:54] [INFO ] Invariant cache hit.
[2025-06-06 00:35:54] [INFO ] State equation strengthened by 58 read => feed constraints.
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/92 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 118 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/92 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 118 unsolved
At refinement iteration 2 (OVERLAPS) 1/93 variables, 2/3 constraints. Problems are: Problem set: 0 solved, 118 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/93 variables, 0/3 constraints. Problems are: Problem set: 0 solved, 118 unsolved
At refinement iteration 4 (OVERLAPS) 119/212 variables, 93/96 constraints. Problems are: Problem set: 0 solved, 118 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/212 variables, 58/154 constraints. Problems are: Problem set: 0 solved, 118 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-06 00:35:56] [INFO ] Deduced a trap composed of 20 places in 36 ms of which 3 ms to minimize.
All remaining problems are real, not stopping.
At refinement iteration 6 (INCLUDED_ONLY) 0/212 variables, 1/155 constraints. Problems are: Problem set: 0 solved, 118 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/212 variables, 0/155 constraints. Problems are: Problem set: 0 solved, 118 unsolved
At refinement iteration 8 (OVERLAPS) 0/212 variables, 0/155 constraints. Problems are: Problem set: 0 solved, 118 unsolved
No progress, stopping.
After SMT solving in domain Real declared 212/212 variables, and 155 constraints, problems are : Problem set: 0 solved, 118 unsolved in 6449 ms.
Refiners :[Positive P Invariants (semi-flows): 3/3 constraints, State Equation: 93/93 constraints, ReadFeed: 58/58 constraints, PredecessorRefiner: 118/118 constraints, Known Traps: 1/1 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 118 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, 118 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/92 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 118 unsolved
At refinement iteration 2 (OVERLAPS) 1/93 variables, 2/3 constraints. Problems are: Problem set: 0 solved, 118 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/93 variables, 1/4 constraints. Problems are: Problem set: 0 solved, 118 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/93 variables, 0/4 constraints. Problems are: Problem set: 0 solved, 118 unsolved
At refinement iteration 5 (OVERLAPS) 119/212 variables, 93/97 constraints. Problems are: Problem set: 0 solved, 118 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/212 variables, 58/155 constraints. Problems are: Problem set: 0 solved, 118 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/212 variables, 118/273 constraints. Problems are: Problem set: 0 solved, 118 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-06 00:36:08] [INFO ] Deduced a trap along path composed of 17 places in 34 ms of which 1 ms to minimize.
At refinement iteration 8 (INCLUDED_ONLY) 0/212 variables, 1/274 constraints. Problems are: Problem set: 0 solved, 118 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/212 variables, 0/274 constraints. Problems are: Problem set: 0 solved, 118 unsolved
At refinement iteration 10 (OVERLAPS) 0/212 variables, 0/274 constraints. Problems are: Problem set: 0 solved, 118 unsolved
No progress, stopping.
After SMT solving in domain Int declared 212/212 variables, and 274 constraints, problems are : Problem set: 0 solved, 118 unsolved in 28115 ms.
Refiners :[Positive P Invariants (semi-flows): 3/3 constraints, State Equation: 93/93 constraints, ReadFeed: 58/58 constraints, PredecessorRefiner: 118/118 constraints, Known Traps: 1/1 constraints, Known Traps Along Path: 1/1 constraints]
After SMT, in 34599ms problems are : Problem set: 0 solved, 118 unsolved
Search for dead transitions found 0 dead transitions in 34600ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 34886 ms. Remains : 93/93 places, 119/119 transitions.
Attempting over-approximation, by ignoring read arcs.
Drop transitions (Empty/Sink Transition effects.) removed 1 transitions
Reduce isomorphic transitions removed 1 transitions.
Drop transitions (Trivial Post-Agglo cleanup.) removed 6 transitions
Trivial Post-agglo rules discarded 6 transitions
Performed 6 trivial Post agglomeration. Transition count delta: 6
Iterating post reduction 0 with 7 rules applied. Total rules applied 7 place count 93 transition count 112
Reduce places removed 6 places and 0 transitions.
Iterating post reduction 1 with 6 rules applied. Total rules applied 13 place count 87 transition count 112
Performed 14 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 2 with 14 Pre rules applied. Total rules applied 13 place count 87 transition count 98
Deduced a syphon composed of 14 places in 0 ms
Reduce places removed 14 places and 0 transitions.
Iterating global reduction 2 with 28 rules applied. Total rules applied 41 place count 73 transition count 98
Performed 9 Post agglomeration using F-continuation condition.Transition count delta: 9
Deduced a syphon composed of 9 places in 0 ms
Reduce places removed 9 places and 0 transitions.
Iterating global reduction 2 with 18 rules applied. Total rules applied 59 place count 64 transition count 89
Applied a total of 59 rules in 9 ms. Remains 64 /93 variables (removed 29) and now considering 89/119 (removed 30) transitions.
Running SMT prover for 2 properties.
// Phase 1: matrix 89 rows 64 cols
[2025-06-06 00:36:29] [INFO ] Computed 3 invariants in 1 ms
Starting Z3 with timeout 450.0 s and query timeout 45000.0 ms
[2025-06-06 00:36:29] [INFO ] [Real]Absence check using 3 positive place invariants in 1 ms returned sat
[2025-06-06 00:36:29] [INFO ] After 71ms SMT Verify possible using all constraints in real domain returned unsat :0 sat :0 real:2
Starting Z3 with timeout 450.0 s and query timeout 45000.0 ms
[2025-06-06 00:36:29] [INFO ] [Nat]Absence check using 3 positive place invariants in 1 ms returned sat
[2025-06-06 00:36:29] [INFO ] After 43ms SMT Verify possible using state equation in natural domain returned unsat :0 sat :2
TRAPS : Iteration 0
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-06 00:36:29] [INFO ] Deduced a trap composed of 12 places in 31 ms of which 2 ms to minimize.
[2025-06-06 00:36:29] [INFO ] Trap strengthening (SAT) tested/added 2/1 trap constraints in 39 ms
TRAPS : Iteration 1
[2025-06-06 00:36:29] [INFO ] After 130ms SMT Verify possible using trap constraints in natural domain returned unsat :0 sat :2
[2025-06-06 00:36:29] [INFO ] After 179ms SMT Verify possible using all constraints in natural domain returned unsat :0 sat :2
Over-approximation ignoring read arcs solved 0 properties in 264 ms.
Found 1 invariant AP formulas.
Knowledge obtained : [(AND (NOT p0) (NOT p1)), (X (AND (NOT p0) (NOT p1))), (X (NOT (AND (NOT p0) p1))), (X (NOT p0)), (X (NOT p1)), (X (X (AND (NOT p0) (NOT p1)))), (X (X (NOT (AND (NOT p0) p1)))), (X (X (NOT (AND p0 p1)))), (X (X (NOT p0))), (X (X (NOT (AND p0 (NOT p1))))), (X (X (NOT p1))), (G (OR (NOT p0) (NOT p1)))]
False Knowledge obtained : [(F p1), (F (NOT (AND (NOT p0) (NOT p1)))), (F (NOT (AND (NOT p0) (NOT p1)))), (F (NOT (OR p0 (NOT p1))))]
Knowledge based reduction with 12 factoid took 281 ms. Reduced automaton from 4 states, 13 edges and 2 AP (stutter insensitive) to 4 states, 13 edges and 2 AP (stutter insensitive).
Stuttering acceptance computed with spot in 147 ms :[(OR p0 p1), (OR p0 p1), p1, p1]
Stuttering acceptance computed with spot in 144 ms :[(OR p0 p1), (OR p0 p1), p1, p1]
Stuttering acceptance computed with spot in 137 ms :[(OR p0 p1), (OR p0 p1), p1, p1]
Product exploration explored 100000 steps with 22517 reset in 140 ms.
Product exploration explored 100000 steps with 22498 reset in 145 ms.
Built C files in :
/tmp/ltsmin14449012714034706260
[2025-06-06 00:36:30] [INFO ] Computing symmetric may disable matrix : 121 transitions.
[2025-06-06 00:36:30] [INFO ] Computation of Complete disable matrix. took 3 ms. Total solver calls (SAT/UNSAT): 0(0/0)
[2025-06-06 00:36:30] [INFO ] Computing symmetric may enable matrix : 121 transitions.
[2025-06-06 00:36:30] [INFO ] Computation of Complete enable matrix. took 2 ms. Total solver calls (SAT/UNSAT): 0(0/0)
[2025-06-06 00:36:30] [INFO ] Computing Do-Not-Accords matrix : 121 transitions.
[2025-06-06 00:36:30] [INFO ] Computation of Completed DNA matrix. took 1 ms. Total solver calls (SAT/UNSAT): 0(0/0)
[2025-06-06 00:36:30] [INFO ] Built C files in 20ms conformant to PINS (ltsmin variant)in folder :/tmp/ltsmin14449012714034706260
Running compilation step : cd /tmp/ltsmin14449012714034706260;'/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 254 ms.
Running link step : cd /tmp/ltsmin14449012714034706260;'gcc' '-shared' '-o' 'gal.so' 'model.o'
Link finished in 28 ms.
Running LTSmin : cd /tmp/ltsmin14449012714034706260;'/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/stateBased18140172221884424550.hoa' '--buchi-type=spotba'
LTSmin run took 10986 ms.
FORMULA SieveSingleMsgMbox-PT-d1m64-LTLFireability-14 FALSE TECHNIQUES PARTIAL_ORDER EXPLICIT LTSMIN SAT_SMT
Treatment of property SieveSingleMsgMbox-PT-d1m64-LTLFireability-14 finished in 170528 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 U !p1)))'
Support contains 3 out of 141 places. Attempting structural reductions.
Starting structural reductions in SI_LTL mode, iteration 0 : 141/141 places, 260/260 transitions.
Discarding 16 places :
Symmetric choice reduction at 0 with 16 rule applications. Total rules 16 place count 125 transition count 167
Iterating global reduction 0 with 16 rules applied. Total rules applied 32 place count 125 transition count 167
Ensure Unique test removed 1 transitions
Reduce isomorphic transitions removed 1 transitions.
Iterating post reduction 0 with 1 rules applied. Total rules applied 33 place count 125 transition count 166
Discarding 15 places :
Symmetric choice reduction at 1 with 15 rule applications. Total rules 48 place count 110 transition count 150
Iterating global reduction 1 with 15 rules applied. Total rules applied 63 place count 110 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 69 place count 110 transition count 144
Discarding 9 places :
Symmetric choice reduction at 2 with 9 rule applications. Total rules 78 place count 101 transition count 135
Iterating global reduction 2 with 9 rules applied. Total rules applied 87 place count 101 transition count 135
Ensure Unique test removed 6 transitions
Reduce isomorphic transitions removed 6 transitions.
Iterating post reduction 2 with 6 rules applied. Total rules applied 93 place count 101 transition count 129
Discarding 2 places :
Symmetric choice reduction at 3 with 2 rule applications. Total rules 95 place count 99 transition count 127
Iterating global reduction 3 with 2 rules applied. Total rules applied 97 place count 99 transition count 127
Discarding 2 places :
Symmetric choice reduction at 3 with 2 rule applications. Total rules 99 place count 97 transition count 125
Iterating global reduction 3 with 2 rules applied. Total rules applied 101 place count 97 transition count 125
Discarding 2 places :
Symmetric choice reduction at 3 with 2 rule applications. Total rules 103 place count 95 transition count 122
Iterating global reduction 3 with 2 rules applied. Total rules applied 105 place count 95 transition count 122
Ensure Unique test removed 3 transitions
Reduce isomorphic transitions removed 3 transitions.
Iterating post reduction 3 with 3 rules applied. Total rules applied 108 place count 95 transition count 119
Discarding 2 places :
Symmetric choice reduction at 4 with 2 rule applications. Total rules 110 place count 93 transition count 117
Iterating global reduction 4 with 2 rules applied. Total rules applied 112 place count 93 transition count 117
Discarding 1 places :
Symmetric choice reduction at 4 with 1 rule applications. Total rules 113 place count 92 transition count 116
Iterating global reduction 4 with 1 rules applied. Total rules applied 114 place count 92 transition count 116
Applied a total of 114 rules in 11 ms. Remains 92 /141 variables (removed 49) and now considering 116/260 (removed 144) transitions.
// Phase 1: matrix 116 rows 92 cols
[2025-06-06 00:36:41] [INFO ] Computed 4 invariants in 1 ms
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-06 00:36:41] [INFO ] Implicit Places using invariants in 50 ms returned []
[2025-06-06 00:36:41] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-06 00:36:41] [INFO ] State equation strengthened by 56 read => feed constraints.
[2025-06-06 00:36:42] [INFO ] Implicit Places using invariants and state equation in 243 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
[2025-06-06 00:36:42] [INFO ] Redundant transitions in 1 ms returned []
Running 115 sub problems to find dead transitions.
[2025-06-06 00:36:42] [INFO ] Invariant cache hit.
[2025-06-06 00:36:42] [INFO ] State equation strengthened by 56 read => feed constraints.
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/91 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 115 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/91 variables, 2/3 constraints. Problems are: Problem set: 0 solved, 115 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/91 variables, 0/3 constraints. Problems are: Problem set: 0 solved, 115 unsolved
At refinement iteration 3 (OVERLAPS) 1/92 variables, 1/4 constraints. Problems are: Problem set: 0 solved, 115 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/92 variables, 0/4 constraints. Problems are: Problem set: 0 solved, 115 unsolved
At refinement iteration 5 (OVERLAPS) 116/208 variables, 92/96 constraints. Problems are: Problem set: 0 solved, 115 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/208 variables, 56/152 constraints. Problems are: Problem set: 0 solved, 115 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-06 00:36:45] [INFO ] Deduced a trap composed of 21 places in 32 ms of which 3 ms to minimize.
At refinement iteration 7 (INCLUDED_ONLY) 0/208 variables, 1/153 constraints. Problems are: Problem set: 0 solved, 115 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/208 variables, 0/153 constraints. Problems are: Problem set: 0 solved, 115 unsolved
At refinement iteration 9 (OVERLAPS) 0/208 variables, 0/153 constraints. Problems are: Problem set: 0 solved, 115 unsolved
No progress, stopping.
After SMT solving in domain Real declared 208/208 variables, and 153 constraints, problems are : Problem set: 0 solved, 115 unsolved in 8843 ms.
Refiners :[Positive P Invariants (semi-flows): 2/2 constraints, Generalized P Invariants (flows): 2/2 constraints, State Equation: 92/92 constraints, ReadFeed: 56/56 constraints, PredecessorRefiner: 115/115 constraints, Known Traps: 1/1 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 115 unsolved
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/91 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 115 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/91 variables, 2/3 constraints. Problems are: Problem set: 0 solved, 115 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/91 variables, 0/3 constraints. Problems are: Problem set: 0 solved, 115 unsolved
At refinement iteration 3 (OVERLAPS) 1/92 variables, 1/4 constraints. Problems are: Problem set: 0 solved, 115 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/92 variables, 1/5 constraints. Problems are: Problem set: 0 solved, 115 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/92 variables, 0/5 constraints. Problems are: Problem set: 0 solved, 115 unsolved
At refinement iteration 6 (OVERLAPS) 116/208 variables, 92/97 constraints. Problems are: Problem set: 0 solved, 115 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/208 variables, 56/153 constraints. Problems are: Problem set: 0 solved, 115 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/208 variables, 115/268 constraints. Problems are: Problem set: 0 solved, 115 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-06 00:36:54] [INFO ] Deduced a trap along path composed of 4 places in 26 ms of which 1 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-06 00:36:55] [INFO ] Deduced a trap along path composed of 17 places in 26 ms of which 0 ms to minimize.
At refinement iteration 9 (INCLUDED_ONLY) 0/208 variables, 2/270 constraints. Problems are: Problem set: 0 solved, 115 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/208 variables, 0/270 constraints. Problems are: Problem set: 0 solved, 115 unsolved
At refinement iteration 11 (OVERLAPS) 0/208 variables, 0/270 constraints. Problems are: Problem set: 0 solved, 115 unsolved
No progress, stopping.
After SMT solving in domain Int declared 208/208 variables, and 270 constraints, problems are : Problem set: 0 solved, 115 unsolved in 19202 ms.
Refiners :[Positive P Invariants (semi-flows): 2/2 constraints, Generalized P Invariants (flows): 2/2 constraints, State Equation: 92/92 constraints, ReadFeed: 56/56 constraints, PredecessorRefiner: 115/115 constraints, Known Traps: 1/1 constraints, Known Traps Along Path: 2/2 constraints]
After SMT, in 28079ms problems are : Problem set: 0 solved, 115 unsolved
Search for dead transitions found 0 dead transitions in 28080ms
Starting structural reductions in SI_LTL mode, iteration 1 : 92/141 places, 116/260 transitions.
Finished structural reductions in SI_LTL mode , in 1 iterations and 28390 ms. Remains : 92/141 places, 116/260 transitions.
Stuttering acceptance computed with spot in 87 ms :[p1, true, p1]
Running random walk in product with property : SieveSingleMsgMbox-PT-d1m64-LTLFireability-15
Product exploration explored 100000 steps with 22495 reset in 135 ms.
Product exploration explored 100000 steps with 22274 reset in 140 ms.
Computed a total of 16 stabilizing places and 22 stable transitions
Graph (complete) has 300 edges and 92 vertex of which 91 are kept as prefixes of interest. Removing 1 places using SCC suffix rule.1 ms
Computed a total of 16 stabilizing places and 22 stable transitions
Knowledge obtained : [(AND (NOT p1) (NOT p0)), (X (NOT (AND p1 p0))), (X (NOT (AND p1 (NOT p0)))), (X (OR (NOT p1) p0)), (X (NOT p0)), (X (NOT p1)), (X (X (NOT (AND p1 p0)))), (X (X (NOT (AND p1 (NOT p0))))), (X (X (OR (NOT p1) p0))), (X (X (NOT p0))), (X (X (NOT p1)))]
False Knowledge obtained : []
Knowledge based reduction with 11 factoid took 95 ms. Reduced automaton from 3 states, 6 edges and 2 AP (stutter insensitive) to 3 states, 6 edges and 2 AP (stutter insensitive).
Stuttering acceptance computed with spot in 84 ms :[p1, true, p1]
Reduction of identical properties reduced properties to check from 5 to 4
RANDOM walk for 40000 steps (8942 resets) in 123 ms. (322 steps per ms) remains 4/4 properties
BEST_FIRST walk for 40002 steps (1890 resets) in 46 ms. (851 steps per ms) remains 4/4 properties
BEST_FIRST walk for 40003 steps (1901 resets) in 51 ms. (769 steps per ms) remains 4/4 properties
BEST_FIRST walk for 40001 steps (1973 resets) in 44 ms. (888 steps per ms) remains 4/4 properties
BEST_FIRST walk for 40002 steps (1894 resets) in 45 ms. (869 steps per ms) remains 4/4 properties
Interrupted probabilistic random walk after 870547 steps, run timeout after 3001 ms. (steps per millisecond=290 ) properties seen :0 out of 4
Probabilistic random walk after 870547 steps, saw 363118 distinct states, run finished after 3004 ms. (steps per millisecond=289 ) properties seen :0
[2025-06-06 00:37:13] [INFO ] Invariant cache hit.
[2025-06-06 00:37:13] [INFO ] State equation strengthened by 56 read => feed constraints.
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/3 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 1 (OVERLAPS) 55/58 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/58 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 3 (OVERLAPS) 11/69 variables, 2/3 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/69 variables, 0/3 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 5 (OVERLAPS) 3/72 variables, 1/4 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/72 variables, 0/4 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 7 (OVERLAPS) 103/175 variables, 72/76 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/175 variables, 43/119 constraints. Problems are: Problem set: 0 solved, 4 unsolved
All remaining problems are real, not stopping.
At refinement iteration 9 (INCLUDED_ONLY) 0/175 variables, 0/119 constraints. Problems are: Problem set: 0 solved, 4 unsolved
Problem apf1 is UNSAT
At refinement iteration 10 (OVERLAPS) 33/208 variables, 20/139 constraints. Problems are: Problem set: 1 solved, 3 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/208 variables, 13/152 constraints. Problems are: Problem set: 1 solved, 3 unsolved
At refinement iteration 12 (INCLUDED_ONLY) 0/208 variables, 0/152 constraints. Problems are: Problem set: 1 solved, 3 unsolved
At refinement iteration 13 (OVERLAPS) 0/208 variables, 0/152 constraints. Problems are: Problem set: 1 solved, 3 unsolved
No progress, stopping.
After SMT solving in domain Real declared 208/208 variables, and 152 constraints, problems are : Problem set: 1 solved, 3 unsolved in 204 ms.
Refiners :[Positive P Invariants (semi-flows): 2/2 constraints, Generalized P Invariants (flows): 2/2 constraints, State Equation: 92/92 constraints, ReadFeed: 56/56 constraints, PredecessorRefiner: 4/4 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 1 solved, 3 unsolved
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/3 variables, 0/0 constraints. Problems are: Problem set: 1 solved, 3 unsolved
At refinement iteration 1 (OVERLAPS) 55/58 variables, 1/1 constraints. Problems are: Problem set: 1 solved, 3 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/58 variables, 0/1 constraints. Problems are: Problem set: 1 solved, 3 unsolved
At refinement iteration 3 (OVERLAPS) 11/69 variables, 2/3 constraints. Problems are: Problem set: 1 solved, 3 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/69 variables, 0/3 constraints. Problems are: Problem set: 1 solved, 3 unsolved
At refinement iteration 5 (OVERLAPS) 3/72 variables, 1/4 constraints. Problems are: Problem set: 1 solved, 3 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/72 variables, 0/4 constraints. Problems are: Problem set: 1 solved, 3 unsolved
At refinement iteration 7 (OVERLAPS) 103/175 variables, 72/76 constraints. Problems are: Problem set: 1 solved, 3 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/175 variables, 43/119 constraints. Problems are: Problem set: 1 solved, 3 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/175 variables, 0/119 constraints. Problems are: Problem set: 1 solved, 3 unsolved
At refinement iteration 10 (OVERLAPS) 33/208 variables, 20/139 constraints. Problems are: Problem set: 1 solved, 3 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/208 variables, 13/152 constraints. Problems are: Problem set: 1 solved, 3 unsolved
At refinement iteration 12 (INCLUDED_ONLY) 0/208 variables, 3/155 constraints. Problems are: Problem set: 1 solved, 3 unsolved
At refinement iteration 13 (INCLUDED_ONLY) 0/208 variables, 0/155 constraints. Problems are: Problem set: 1 solved, 3 unsolved
At refinement iteration 14 (OVERLAPS) 0/208 variables, 0/155 constraints. Problems are: Problem set: 1 solved, 3 unsolved
No progress, stopping.
After SMT solving in domain Int declared 208/208 variables, and 155 constraints, problems are : Problem set: 1 solved, 3 unsolved in 586 ms.
Refiners :[Positive P Invariants (semi-flows): 2/2 constraints, Generalized P Invariants (flows): 2/2 constraints, State Equation: 92/92 constraints, ReadFeed: 56/56 constraints, PredecessorRefiner: 3/4 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 799ms problems are : Problem set: 1 solved, 3 unsolved
Parikh walk visited 0 properties in 166 ms.
Support contains 3 out of 92 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 92/92 places, 116/116 transitions.
Graph (complete) has 265 edges and 92 vertex of which 91 are kept as prefixes of interest. Removing 1 places using SCC suffix rule.1 ms
Discarding 1 places :
Also discarding 0 output transitions
Drop transitions (Empty/Sink Transition effects.) removed 2 transitions
Reduce isomorphic transitions removed 2 transitions.
Iterating post reduction 0 with 2 rules applied. Total rules applied 3 place count 91 transition count 114
Applied a total of 3 rules in 6 ms. Remains 91 /92 variables (removed 1) and now considering 114/116 (removed 2) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 6 ms. Remains : 91/92 places, 114/116 transitions.
RANDOM walk for 40000 steps (8909 resets) in 101 ms. (392 steps per ms) remains 3/3 properties
BEST_FIRST walk for 40001 steps (1902 resets) in 41 ms. (952 steps per ms) remains 3/3 properties
BEST_FIRST walk for 40003 steps (1858 resets) in 42 ms. (930 steps per ms) remains 3/3 properties
BEST_FIRST walk for 40003 steps (1924 resets) in 40 ms. (975 steps per ms) remains 3/3 properties
Interrupted probabilistic random walk after 906948 steps, run timeout after 3001 ms. (steps per millisecond=302 ) properties seen :0 out of 3
Probabilistic random walk after 906948 steps, saw 378410 distinct states, run finished after 3004 ms. (steps per millisecond=301 ) properties seen :0
// Phase 1: matrix 114 rows 91 cols
[2025-06-06 00:37:17] [INFO ] Computed 3 invariants in 0 ms
[2025-06-06 00:37:17] [INFO ] State equation strengthened by 54 read => feed constraints.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/3 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 1 (OVERLAPS) 76/79 variables, 3/3 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/79 variables, 16/19 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/79 variables, 0/19 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 4 (OVERLAPS) 120/199 variables, 82/101 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/199 variables, 1/102 constraints. Problems are: Problem set: 0 solved, 3 unsolved
All remaining problems are real, not stopping.
At refinement iteration 6 (INCLUDED_ONLY) 0/199 variables, 38/140 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/199 variables, 0/140 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 8 (OVERLAPS) 6/205 variables, 2/142 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/205 variables, 6/148 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/205 variables, 0/148 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 11 (OVERLAPS) 0/205 variables, 0/148 constraints. Problems are: Problem set: 0 solved, 3 unsolved
No progress, stopping.
After SMT solving in domain Real declared 205/205 variables, and 148 constraints, problems are : Problem set: 0 solved, 3 unsolved in 125 ms.
Refiners :[Positive P Invariants (semi-flows): 3/3 constraints, State Equation: 91/91 constraints, ReadFeed: 54/54 constraints, PredecessorRefiner: 3/3 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 3 unsolved
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/3 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 1 (OVERLAPS) 76/79 variables, 3/3 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/79 variables, 16/19 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/79 variables, 0/19 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 4 (OVERLAPS) 120/199 variables, 82/101 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/199 variables, 1/102 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/199 variables, 38/140 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/199 variables, 3/143 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/199 variables, 0/143 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 9 (OVERLAPS) 6/205 variables, 2/145 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/205 variables, 6/151 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/205 variables, 0/151 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 12 (OVERLAPS) 0/205 variables, 0/151 constraints. Problems are: Problem set: 0 solved, 3 unsolved
No progress, stopping.
After SMT solving in domain Int declared 205/205 variables, and 151 constraints, problems are : Problem set: 0 solved, 3 unsolved in 550 ms.
Refiners :[Positive P Invariants (semi-flows): 3/3 constraints, State Equation: 91/91 constraints, ReadFeed: 54/54 constraints, PredecessorRefiner: 3/3 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 681ms problems are : Problem set: 0 solved, 3 unsolved
Fused 3 Parikh solutions to 2 different solutions.
Parikh walk visited 0 properties in 1066 ms.
Support contains 3 out of 91 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 91/91 places, 114/114 transitions.
Applied a total of 0 rules in 1 ms. Remains 91 /91 variables (removed 0) and now considering 114/114 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 1 ms. Remains : 91/91 places, 114/114 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 91/91 places, 114/114 transitions.
Applied a total of 0 rules in 3 ms. Remains 91 /91 variables (removed 0) and now considering 114/114 (removed 0) transitions.
[2025-06-06 00:37:19] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-06 00:37:19] [INFO ] Implicit Places using invariants in 49 ms returned []
[2025-06-06 00:37:19] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-06 00:37:19] [INFO ] State equation strengthened by 54 read => feed constraints.
[2025-06-06 00:37:19] [INFO ] Implicit Places using invariants and state equation in 227 ms returned []
Implicit Place search using SMT with State Equation took 277 ms to find 0 implicit places.
Starting Z3 with timeout 200.0 s and query timeout 20000.0 ms
[2025-06-06 00:37:19] [INFO ] Redundant transitions in 0 ms returned []
Running 113 sub problems to find dead transitions.
[2025-06-06 00:37:19] [INFO ] Invariant cache hit.
[2025-06-06 00:37:19] [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) 0/90 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 113 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/90 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 113 unsolved
At refinement iteration 2 (OVERLAPS) 1/91 variables, 2/3 constraints. Problems are: Problem set: 0 solved, 113 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/91 variables, 0/3 constraints. Problems are: Problem set: 0 solved, 113 unsolved
At refinement iteration 4 (OVERLAPS) 114/205 variables, 91/94 constraints. Problems are: Problem set: 0 solved, 113 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/205 variables, 54/148 constraints. Problems are: Problem set: 0 solved, 113 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-06 00:37:21] [INFO ] Deduced a trap composed of 20 places in 30 ms of which 3 ms to minimize.
At refinement iteration 6 (INCLUDED_ONLY) 0/205 variables, 1/149 constraints. Problems are: Problem set: 0 solved, 113 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/205 variables, 0/149 constraints. Problems are: Problem set: 0 solved, 113 unsolved
At refinement iteration 8 (OVERLAPS) 0/205 variables, 0/149 constraints. Problems are: Problem set: 0 solved, 113 unsolved
No progress, stopping.
After SMT solving in domain Real declared 205/205 variables, and 149 constraints, problems are : Problem set: 0 solved, 113 unsolved in 6203 ms.
Refiners :[Positive P Invariants (semi-flows): 3/3 constraints, State Equation: 91/91 constraints, ReadFeed: 54/54 constraints, PredecessorRefiner: 113/113 constraints, Known Traps: 1/1 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 113 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, 113 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/90 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 113 unsolved
At refinement iteration 2 (OVERLAPS) 1/91 variables, 2/3 constraints. Problems are: Problem set: 0 solved, 113 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/91 variables, 1/4 constraints. Problems are: Problem set: 0 solved, 113 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/91 variables, 0/4 constraints. Problems are: Problem set: 0 solved, 113 unsolved
At refinement iteration 5 (OVERLAPS) 114/205 variables, 91/95 constraints. Problems are: Problem set: 0 solved, 113 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/205 variables, 54/149 constraints. Problems are: Problem set: 0 solved, 113 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/205 variables, 113/262 constraints. Problems are: Problem set: 0 solved, 113 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-06 00:37:32] [INFO ] Deduced a trap along path composed of 4 places in 25 ms of which 1 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-06 00:37:32] [INFO ] Deduced a trap along path composed of 17 places in 24 ms of which 0 ms to minimize.
At refinement iteration 8 (INCLUDED_ONLY) 0/205 variables, 2/264 constraints. Problems are: Problem set: 0 solved, 113 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/205 variables, 0/264 constraints. Problems are: Problem set: 0 solved, 113 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 205/205 variables, and 264 constraints, problems are : Problem set: 0 solved, 113 unsolved in 30015 ms.
Refiners :[Positive P Invariants (semi-flows): 3/3 constraints, State Equation: 91/91 constraints, ReadFeed: 54/54 constraints, PredecessorRefiner: 113/113 constraints, Known Traps: 1/1 constraints, Known Traps Along Path: 2/2 constraints]
After SMT, in 36248ms problems are : Problem set: 0 solved, 113 unsolved
Search for dead transitions found 0 dead transitions in 36249ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 36539 ms. Remains : 91/91 places, 114/114 transitions.
Attempting over-approximation, by ignoring read arcs.
Drop transitions (Empty/Sink Transition effects.) removed 1 transitions
Reduce isomorphic transitions removed 1 transitions.
Drop transitions (Trivial Post-Agglo cleanup.) removed 6 transitions
Trivial Post-agglo rules discarded 6 transitions
Performed 6 trivial Post agglomeration. Transition count delta: 6
Iterating post reduction 0 with 7 rules applied. Total rules applied 7 place count 91 transition count 107
Reduce places removed 6 places and 0 transitions.
Iterating post reduction 1 with 6 rules applied. Total rules applied 13 place count 85 transition count 107
Performed 14 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 2 with 14 Pre rules applied. Total rules applied 13 place count 85 transition count 93
Deduced a syphon composed of 14 places in 1 ms
Reduce places removed 14 places and 0 transitions.
Iterating global reduction 2 with 28 rules applied. Total rules applied 41 place count 71 transition count 93
Performed 8 Post agglomeration using F-continuation condition.Transition count delta: 8
Deduced a syphon composed of 8 places in 0 ms
Reduce places removed 8 places and 0 transitions.
Iterating global reduction 2 with 16 rules applied. Total rules applied 57 place count 63 transition count 85
Applied a total of 57 rules in 4 ms. Remains 63 /91 variables (removed 28) and now considering 85/114 (removed 29) transitions.
Running SMT prover for 3 properties.
// Phase 1: matrix 85 rows 63 cols
[2025-06-06 00:37:56] [INFO ] Computed 3 invariants in 1 ms
Starting Z3 with timeout 450.0 s and query timeout 45000.0 ms
[2025-06-06 00:37:56] [INFO ] [Real]Absence check using 2 positive place invariants in 1 ms returned sat
[2025-06-06 00:37:56] [INFO ] [Real]Absence check using 2 positive and 1 generalized place invariants in 1 ms returned sat
[2025-06-06 00:37:56] [INFO ] After 85ms SMT Verify possible using all constraints in real domain returned unsat :0 sat :0 real:3
Starting Z3 with timeout 450.0 s and query timeout 45000.0 ms
[2025-06-06 00:37:56] [INFO ] [Nat]Absence check using 2 positive place invariants in 1 ms returned sat
[2025-06-06 00:37:56] [INFO ] [Nat]Absence check using 2 positive and 1 generalized place invariants in 0 ms returned sat
[2025-06-06 00:37:56] [INFO ] After 50ms SMT Verify possible using state equation in natural domain returned unsat :0 sat :3
TRAPS : Iteration 0
[2025-06-06 00:37:56] [INFO ] After 95ms SMT Verify possible using trap constraints in natural domain returned unsat :0 sat :3
[2025-06-06 00:37:56] [INFO ] After 156ms SMT Verify possible using all constraints in natural domain returned unsat :0 sat :3
Over-approximation ignoring read arcs solved 0 properties in 252 ms.
Found 1 invariant AP formulas.
Knowledge obtained : [(AND (NOT p1) (NOT p0)), (X (NOT (AND p1 p0))), (X (NOT (AND p1 (NOT p0)))), (X (OR (NOT p1) p0)), (X (NOT p0)), (X (NOT p1)), (X (X (NOT (AND p1 p0)))), (X (X (NOT (AND p1 (NOT p0))))), (X (X (OR (NOT p1) p0))), (X (X (NOT p0))), (X (X (NOT p1))), (G (OR (NOT p0) (NOT p1)))]
False Knowledge obtained : []
Knowledge based reduction with 12 factoid took 78 ms. Reduced automaton from 3 states, 6 edges and 2 AP (stutter insensitive) to 2 states, 3 edges and 1 AP (stutter insensitive).
Stuttering acceptance computed with spot in 35 ms :[true, p1]
Stuttering acceptance computed with spot in 42 ms :[true, p1]
Support contains 2 out of 92 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 : 92/92 places, 116/116 transitions.
Applied a total of 0 rules in 2 ms. Remains 92 /92 variables (removed 0) and now considering 116/116 (removed 0) transitions.
// Phase 1: matrix 116 rows 92 cols
[2025-06-06 00:37:56] [INFO ] Computed 4 invariants in 1 ms
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-06 00:37:56] [INFO ] Implicit Places using invariants in 52 ms returned []
[2025-06-06 00:37:56] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-06 00:37:56] [INFO ] State equation strengthened by 56 read => feed constraints.
[2025-06-06 00:37:56] [INFO ] Implicit Places using invariants and state equation in 240 ms returned []
Implicit Place search using SMT with State Equation took 301 ms to find 0 implicit places.
Starting Z3 with timeout 200.0 s and query timeout 20000.0 ms
[2025-06-06 00:37:56] [INFO ] Redundant transitions in 0 ms returned []
Running 115 sub problems to find dead transitions.
[2025-06-06 00:37:56] [INFO ] Invariant cache hit.
[2025-06-06 00:37:56] [INFO ] State equation strengthened by 56 read => feed constraints.
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/91 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 115 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/91 variables, 2/3 constraints. Problems are: Problem set: 0 solved, 115 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/91 variables, 0/3 constraints. Problems are: Problem set: 0 solved, 115 unsolved
At refinement iteration 3 (OVERLAPS) 1/92 variables, 1/4 constraints. Problems are: Problem set: 0 solved, 115 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/92 variables, 0/4 constraints. Problems are: Problem set: 0 solved, 115 unsolved
At refinement iteration 5 (OVERLAPS) 116/208 variables, 92/96 constraints. Problems are: Problem set: 0 solved, 115 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/208 variables, 56/152 constraints. Problems are: Problem set: 0 solved, 115 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-06 00:38:00] [INFO ] Deduced a trap composed of 21 places in 26 ms of which 2 ms to minimize.
At refinement iteration 7 (INCLUDED_ONLY) 0/208 variables, 1/153 constraints. Problems are: Problem set: 0 solved, 115 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/208 variables, 0/153 constraints. Problems are: Problem set: 0 solved, 115 unsolved
At refinement iteration 9 (OVERLAPS) 0/208 variables, 0/153 constraints. Problems are: Problem set: 0 solved, 115 unsolved
No progress, stopping.
After SMT solving in domain Real declared 208/208 variables, and 153 constraints, problems are : Problem set: 0 solved, 115 unsolved in 8992 ms.
Refiners :[Positive P Invariants (semi-flows): 2/2 constraints, Generalized P Invariants (flows): 2/2 constraints, State Equation: 92/92 constraints, ReadFeed: 56/56 constraints, PredecessorRefiner: 115/115 constraints, Known Traps: 1/1 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 115 unsolved
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/91 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 115 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/91 variables, 2/3 constraints. Problems are: Problem set: 0 solved, 115 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/91 variables, 0/3 constraints. Problems are: Problem set: 0 solved, 115 unsolved
At refinement iteration 3 (OVERLAPS) 1/92 variables, 1/4 constraints. Problems are: Problem set: 0 solved, 115 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/92 variables, 1/5 constraints. Problems are: Problem set: 0 solved, 115 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/92 variables, 0/5 constraints. Problems are: Problem set: 0 solved, 115 unsolved
At refinement iteration 6 (OVERLAPS) 116/208 variables, 92/97 constraints. Problems are: Problem set: 0 solved, 115 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/208 variables, 56/153 constraints. Problems are: Problem set: 0 solved, 115 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/208 variables, 115/268 constraints. Problems are: Problem set: 0 solved, 115 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-06 00:38:09] [INFO ] Deduced a trap along path composed of 4 places in 24 ms of which 1 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-06 00:38:10] [INFO ] Deduced a trap along path composed of 17 places in 25 ms of which 0 ms to minimize.
At refinement iteration 9 (INCLUDED_ONLY) 0/208 variables, 2/270 constraints. Problems are: Problem set: 0 solved, 115 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/208 variables, 0/270 constraints. Problems are: Problem set: 0 solved, 115 unsolved
At refinement iteration 11 (OVERLAPS) 0/208 variables, 0/270 constraints. Problems are: Problem set: 0 solved, 115 unsolved
No progress, stopping.
After SMT solving in domain Int declared 208/208 variables, and 270 constraints, problems are : Problem set: 0 solved, 115 unsolved in 19372 ms.
Refiners :[Positive P Invariants (semi-flows): 2/2 constraints, Generalized P Invariants (flows): 2/2 constraints, State Equation: 92/92 constraints, ReadFeed: 56/56 constraints, PredecessorRefiner: 115/115 constraints, Known Traps: 1/1 constraints, Known Traps Along Path: 2/2 constraints]
After SMT, in 28396ms problems are : Problem set: 0 solved, 115 unsolved
Search for dead transitions found 0 dead transitions in 28396ms
Finished structural reductions in SI_LTL mode , in 1 iterations and 28707 ms. Remains : 92/92 places, 116/116 transitions.
Computed a total of 16 stabilizing places and 22 stable transitions
Graph (complete) has 300 edges and 92 vertex of which 91 are kept as prefixes of interest. Removing 1 places using SCC suffix rule.1 ms
Computed a total of 16 stabilizing places and 22 stable transitions
Knowledge obtained : [(NOT p1), (X (NOT p1)), (X (X (NOT p1)))]
False Knowledge obtained : []
Knowledge based reduction with 3 factoid took 65 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 42 ms :[true, p1]
RANDOM walk for 40000 steps (8966 resets) in 77 ms. (512 steps per ms) remains 1/1 properties
BEST_FIRST walk for 40003 steps (1915 resets) in 26 ms. (1481 steps per ms) remains 1/1 properties
Finished probabilistic random walk after 1168370 steps, run visited all 1 properties in 1520 ms. (steps per millisecond=768 )
Probabilistic random walk after 1168370 steps, saw 485112 distinct states, run finished after 1520 ms. (steps per millisecond=768 ) properties seen :1
Knowledge obtained : [(NOT p1), (X (NOT p1)), (X (X (NOT p1)))]
False Knowledge obtained : [(F p1)]
Property proved to be false thanks to negative knowledge :(F p1)
Knowledge based reduction with 3 factoid took 118 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-d1m64-LTLFireability-15 FALSE TECHNIQUES KNOWLEDGE
Treatment of property SieveSingleMsgMbox-PT-d1m64-LTLFireability-15 finished in 105414 ms.
All properties solved by simple procedures.
Total runtime 1141352 ms.

BK_STOP 1749170307177

--------------------
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-d1m64"
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-d1m64, 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-174901994300436"
echo "====================================================================="
echo
echo "--------------------"
echo "preparation of the directory to be used:"

tar xzf /home/mcc/BenchKit/INPUTS/SieveSingleMsgMbox-PT-d1m64.tgz
mv SieveSingleMsgMbox-PT-d1m64 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 ;