About the Execution of ITS-Tools for DES-PT-20a
| Execution Summary | |||||
| Max Memory Used (MB) |
Time wait (ms) | CPU Usage (ms) | I/O Wait (ms) | Computed Result | Execution Status |
| 0.000 | 2488706.00 | 0.00 | 0.00 | FTFFTFFFFFTFFFFF | normal |
Execution Chart
Sorry, for this execution, no execution chart could be reported.
Trace from the execution
Formatting '/data/fkordon/mcc2025-input.r058-smll-174854063900300.qcow2', fmt=qcow2 size=4294967296 backing_file=/data/fkordon/mcc2025-input.qcow2 backing_fmt=qcow2 cluster_size=65536 lazy_refcounts=off refcount_bits=16
Waiting for the VM to be ready (probing ssh)
........................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................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=====================================================================
Generated by BenchKit 2-5832
Executing tool itstools
Input is DES-PT-20a, examination is LTLFireability
Time confinement is 3600 seconds
Memory confinement is 16384 MBytes
Number of cores is 4
Run identifier is r058-smll-174854063900300
=====================================================================
--------------------
preparation of the directory to be used:
/home/mcc/execution
total 516K
-rw-r--r-- 1 mcc users 6.4K May 29 14:47 CTLCardinality.txt
-rw-r--r-- 1 mcc users 68K May 29 14:47 CTLCardinality.xml
-rw-r--r-- 1 mcc users 5.0K May 29 14:47 CTLFireability.txt
-rw-r--r-- 1 mcc users 45K May 29 14:47 CTLFireability.xml
-rw-r--r-- 1 mcc users 4.2K May 29 14:32 GenericPropertiesDefinition.xml
-rw-r--r-- 1 mcc users 6.6K May 29 14:32 GenericPropertiesVerdict.xml
-rw-r--r-- 1 mcc users 3.4K 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 2.1K May 29 14:47 LTLFireability.txt
-rw-r--r-- 1 mcc users 18K May 29 14:47 LTLFireability.xml
-rw-r--r-- 1 mcc users 12K May 29 14:47 ReachabilityCardinality.txt
-rw-r--r-- 1 mcc users 131K May 29 14:47 ReachabilityCardinality.xml
-rw-r--r-- 1 mcc users 8.4K May 29 14:47 ReachabilityFireability.txt
-rw-r--r-- 1 mcc users 74K May 29 14:47 ReachabilityFireability.xml
-rw-r--r-- 1 mcc users 1.5K May 29 14:47 UpperBounds.txt
-rw-r--r-- 1 mcc users 3.5K May 29 14:47 UpperBounds.xml
-rw-r--r-- 1 mcc users 6 May 29 14:32 equiv_col
-rw-r--r-- 1 mcc users 4 May 29 14:32 instance
-rw-r--r-- 1 mcc users 6 May 29 14:32 iscolored
-rw-r--r-- 1 mcc users 57K May 29 14:32 model.pnml
--------------------
content from stdout:
=== Data for post analysis generated by BenchKit (invocation template)
The expected result is a vector of booleans
BOOL_VECTOR
echo here is the order used to build the result vector(from xml file)
FORMULA_NAME DES-PT-20a-LTLFireability-00
FORMULA_NAME DES-PT-20a-LTLFireability-01
FORMULA_NAME DES-PT-20a-LTLFireability-02
FORMULA_NAME DES-PT-20a-LTLFireability-03
FORMULA_NAME DES-PT-20a-LTLFireability-04
FORMULA_NAME DES-PT-20a-LTLFireability-05
FORMULA_NAME DES-PT-20a-LTLFireability-06
FORMULA_NAME DES-PT-20a-LTLFireability-07
FORMULA_NAME DES-PT-20a-LTLFireability-08
FORMULA_NAME DES-PT-20a-LTLFireability-09
FORMULA_NAME DES-PT-20a-LTLFireability-10
FORMULA_NAME DES-PT-20a-LTLFireability-11
FORMULA_NAME DES-PT-20a-LTLFireability-12
FORMULA_NAME DES-PT-20a-LTLFireability-13
FORMULA_NAME DES-PT-20a-LTLFireability-14
FORMULA_NAME DES-PT-20a-LTLFireability-15
=== Now, execution of the tool begins
BK_START 1748695737203
Invoking MCC driver with
BK_TOOL=itstools
BK_EXAMINATION=LTLFireability
BK_BIN_PATH=/home/mcc/BenchKit/bin/
BK_TIME_CONFINEMENT=3600
BK_INPUT=DES-PT-20a
BK_MEMORY_CONFINEMENT=16384
Not applying reductions.
Model is PT
LTLFireability PT
Running Version 202505121319
[2025-05-31 12:48:59] [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]
[2025-05-31 12:48:59] [INFO ] Parsing pnml file : /home/mcc/execution/model.pnml
[2025-05-31 12:48:59] [INFO ] Load time of PNML (sax parser for PT used): 160 ms
[2025-05-31 12:48:59] [INFO ] Transformed 195 places.
[2025-05-31 12:48:59] [INFO ] Transformed 152 transitions.
[2025-05-31 12:48:59] [INFO ] Found NUPN structural information;
[2025-05-31 12:49:00] [INFO ] Parsed PT model containing 195 places and 152 transitions and 742 arcs in 392 ms.
Parsed 16 properties from file /home/mcc/execution/LTLFireability.xml in 20 ms.
Working with output stream class java.io.PrintStream
Initial state reduction rules removed 2 formulas.
Ensure Unique test removed 14 transitions
Reduce redundant transitions removed 14 transitions.
FORMULA DES-PT-20a-LTLFireability-02 FALSE TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA DES-PT-20a-LTLFireability-09 FALSE TECHNIQUES TOPOLOGICAL INITIAL_STATE
Support contains 68 out of 195 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 195/195 places, 138/138 transitions.
Discarding 1 places :
Symmetric choice reduction at 0 with 1 rule applications. Total rules 1 place count 194 transition count 137
Iterating global reduction 0 with 1 rules applied. Total rules applied 2 place count 194 transition count 137
Applied a total of 2 rules in 85 ms. Remains 194 /195 variables (removed 1) and now considering 137/138 (removed 1) transitions.
// Phase 1: matrix 137 rows 194 cols
[2025-05-31 12:49:00] [INFO ] Computed 59 invariants in 31 ms
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-05-31 12:49:01] [INFO ] Implicit Places using invariants in 678 ms returned [92]
Discarding 1 places :
Implicit Place search using SMT only with invariants took 759 ms to find 1 implicit places.
Starting structural reductions in LTL mode, iteration 1 : 193/195 places, 137/138 transitions.
Applied a total of 0 rules in 20 ms. Remains 193 /193 variables (removed 0) and now considering 137/137 (removed 0) transitions.
Finished structural reductions in LTL mode , in 2 iterations and 898 ms. Remains : 193/195 places, 137/138 transitions.
Support contains 68 out of 193 places after structural reductions.
[2025-05-31 12:49:01] [INFO ] Flatten gal took : 88 ms
[2025-05-31 12:49:01] [INFO ] Flatten gal took : 43 ms
[2025-05-31 12:49:01] [INFO ] Input system was already deterministic with 137 transitions.
Reduction of identical properties reduced properties to check from 32 to 31
RANDOM walk for 40000 steps (857 resets) in 2551 ms. (15 steps per ms) remains 10/31 properties
BEST_FIRST walk for 40004 steps (220 resets) in 437 ms. (91 steps per ms) remains 10/10 properties
BEST_FIRST walk for 40004 steps (253 resets) in 343 ms. (116 steps per ms) remains 10/10 properties
BEST_FIRST walk for 40003 steps (186 resets) in 254 ms. (156 steps per ms) remains 10/10 properties
BEST_FIRST walk for 40003 steps (176 resets) in 179 ms. (222 steps per ms) remains 10/10 properties
BEST_FIRST walk for 40004 steps (173 resets) in 238 ms. (167 steps per ms) remains 10/10 properties
BEST_FIRST walk for 40003 steps (188 resets) in 243 ms. (163 steps per ms) remains 10/10 properties
BEST_FIRST walk for 40004 steps (189 resets) in 231 ms. (172 steps per ms) remains 10/10 properties
BEST_FIRST walk for 40003 steps (253 resets) in 170 ms. (233 steps per ms) remains 10/10 properties
BEST_FIRST walk for 40003 steps (204 resets) in 147 ms. (270 steps per ms) remains 10/10 properties
BEST_FIRST walk for 40003 steps (187 resets) in 121 ms. (327 steps per ms) remains 10/10 properties
// Phase 1: matrix 137 rows 193 cols
[2025-05-31 12:49:03] [INFO ] Computed 58 invariants in 10 ms
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) 0/18 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 10 unsolved
At refinement iteration 1 (OVERLAPS) 10/28 variables, 7/7 constraints. Problems are: Problem set: 0 solved, 10 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/28 variables, 0/7 constraints. Problems are: Problem set: 0 solved, 10 unsolved
At refinement iteration 3 (OVERLAPS) 61/89 variables, 26/33 constraints. Problems are: Problem set: 0 solved, 10 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/89 variables, 0/33 constraints. Problems are: Problem set: 0 solved, 10 unsolved
At refinement iteration 5 (OVERLAPS) 78/167 variables, 23/56 constraints. Problems are: Problem set: 0 solved, 10 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/167 variables, 0/56 constraints. Problems are: Problem set: 0 solved, 10 unsolved
At refinement iteration 7 (OVERLAPS) 6/173 variables, 2/58 constraints. Problems are: Problem set: 0 solved, 10 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/173 variables, 0/58 constraints. Problems are: Problem set: 0 solved, 10 unsolved
At refinement iteration 9 (OVERLAPS) 136/309 variables, 173/231 constraints. Problems are: Problem set: 0 solved, 10 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 12:49:04] [INFO ] Deduced a trap composed of 12 places in 143 ms of which 26 ms to minimize.
At refinement iteration 10 (INCLUDED_ONLY) 0/309 variables, 1/232 constraints. Problems are: Problem set: 0 solved, 10 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/309 variables, 0/232 constraints. Problems are: Problem set: 0 solved, 10 unsolved
At refinement iteration 12 (OVERLAPS) 21/330 variables, 20/252 constraints. Problems are: Problem set: 0 solved, 10 unsolved
At refinement iteration 13 (INCLUDED_ONLY) 0/330 variables, 0/252 constraints. Problems are: Problem set: 0 solved, 10 unsolved
At refinement iteration 14 (OVERLAPS) 0/330 variables, 0/252 constraints. Problems are: Problem set: 0 solved, 10 unsolved
No progress, stopping.
After SMT solving in domain Real declared 330/330 variables, and 252 constraints, problems are : Problem set: 0 solved, 10 unsolved in 1977 ms.
Refiners :[Positive P Invariants (semi-flows): 33/33 constraints, Generalized P Invariants (flows): 25/25 constraints, State Equation: 193/193 constraints, PredecessorRefiner: 10/10 constraints, Known Traps: 1/1 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 10 unsolved
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/18 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 10 unsolved
At refinement iteration 1 (OVERLAPS) 10/28 variables, 7/7 constraints. Problems are: Problem set: 0 solved, 10 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/28 variables, 0/7 constraints. Problems are: Problem set: 0 solved, 10 unsolved
At refinement iteration 3 (OVERLAPS) 61/89 variables, 26/33 constraints. Problems are: Problem set: 0 solved, 10 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/89 variables, 0/33 constraints. Problems are: Problem set: 0 solved, 10 unsolved
At refinement iteration 5 (OVERLAPS) 78/167 variables, 23/56 constraints. Problems are: Problem set: 0 solved, 10 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/167 variables, 1/57 constraints. Problems are: Problem set: 0 solved, 10 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/167 variables, 0/57 constraints. Problems are: Problem set: 0 solved, 10 unsolved
At refinement iteration 8 (OVERLAPS) 6/173 variables, 2/59 constraints. Problems are: Problem set: 0 solved, 10 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/173 variables, 0/59 constraints. Problems are: Problem set: 0 solved, 10 unsolved
At refinement iteration 10 (OVERLAPS) 136/309 variables, 173/232 constraints. Problems are: Problem set: 0 solved, 10 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/309 variables, 1/233 constraints. Problems are: Problem set: 0 solved, 10 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 12:49:06] [INFO ] Deduced a trap composed of 17 places in 130 ms of which 13 ms to minimize.
At refinement iteration 12 (INCLUDED_ONLY) 0/309 variables, 1/234 constraints. Problems are: Problem set: 0 solved, 10 unsolved
At refinement iteration 13 (INCLUDED_ONLY) 0/309 variables, 0/234 constraints. Problems are: Problem set: 0 solved, 10 unsolved
At refinement iteration 14 (OVERLAPS) 21/330 variables, 20/254 constraints. Problems are: Problem set: 0 solved, 10 unsolved
At refinement iteration 15 (INCLUDED_ONLY) 0/330 variables, 9/263 constraints. Problems are: Problem set: 0 solved, 10 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 330/330 variables, and 263 constraints, problems are : Problem set: 0 solved, 10 unsolved in 5010 ms.
Refiners :[Positive P Invariants (semi-flows): 33/33 constraints, Generalized P Invariants (flows): 25/25 constraints, State Equation: 193/193 constraints, PredecessorRefiner: 10/10 constraints, Known Traps: 2/2 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 7068ms problems are : Problem set: 0 solved, 10 unsolved
Skipping Parikh replay, no witness traces provided.
Support contains 18 out of 193 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 193/193 places, 137/137 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 2 place count 193 transition count 135
Partial Free-agglomeration rule applied 4 times.
Drop transitions (Partial Free agglomeration) removed 4 transitions
Iterating global reduction 1 with 4 rules applied. Total rules applied 6 place count 193 transition count 135
Applied a total of 6 rules in 41 ms. Remains 193 /193 variables (removed 0) and now considering 135/137 (removed 2) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 41 ms. Remains : 193/193 places, 135/137 transitions.
RANDOM walk for 40000 steps (546 resets) in 763 ms. (52 steps per ms) remains 10/10 properties
BEST_FIRST walk for 40003 steps (244 resets) in 170 ms. (233 steps per ms) remains 10/10 properties
BEST_FIRST walk for 40003 steps (289 resets) in 163 ms. (243 steps per ms) remains 10/10 properties
BEST_FIRST walk for 40004 steps (69 resets) in 209 ms. (190 steps per ms) remains 10/10 properties
BEST_FIRST walk for 40004 steps (67 resets) in 146 ms. (272 steps per ms) remains 10/10 properties
BEST_FIRST walk for 40004 steps (73 resets) in 164 ms. (242 steps per ms) remains 10/10 properties
BEST_FIRST walk for 40004 steps (71 resets) in 166 ms. (239 steps per ms) remains 10/10 properties
BEST_FIRST walk for 40002 steps (100 resets) in 153 ms. (259 steps per ms) remains 10/10 properties
BEST_FIRST walk for 40004 steps (285 resets) in 161 ms. (246 steps per ms) remains 10/10 properties
BEST_FIRST walk for 40004 steps (90 resets) in 105 ms. (377 steps per ms) remains 10/10 properties
BEST_FIRST walk for 40004 steps (80 resets) in 114 ms. (347 steps per ms) remains 10/10 properties
Interrupted probabilistic random walk after 571629 steps, run timeout after 3001 ms. (steps per millisecond=190 ) properties seen :0 out of 10
Probabilistic random walk after 571629 steps, saw 82154 distinct states, run finished after 3021 ms. (steps per millisecond=189 ) properties seen :0
// Phase 1: matrix 135 rows 193 cols
[2025-05-31 12:49:14] [INFO ] Computed 60 invariants in 4 ms
[2025-05-31 12:49:14] [INFO ] State equation strengthened by 2 read => feed constraints.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
All remaining problems are real, not stopping.
At refinement iteration 0 (INCLUDED_ONLY) 0/18 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 10 unsolved
At refinement iteration 1 (OVERLAPS) 10/28 variables, 7/7 constraints. Problems are: Problem set: 0 solved, 10 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/28 variables, 0/7 constraints. Problems are: Problem set: 0 solved, 10 unsolved
At refinement iteration 3 (OVERLAPS) 70/98 variables, 29/36 constraints. Problems are: Problem set: 0 solved, 10 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/98 variables, 0/36 constraints. Problems are: Problem set: 0 solved, 10 unsolved
At refinement iteration 5 (OVERLAPS) 78/176 variables, 24/60 constraints. Problems are: Problem set: 0 solved, 10 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/176 variables, 0/60 constraints. Problems are: Problem set: 0 solved, 10 unsolved
At refinement iteration 7 (OVERLAPS) 135/311 variables, 176/236 constraints. Problems are: Problem set: 0 solved, 10 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/311 variables, 2/238 constraints. Problems are: Problem set: 0 solved, 10 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/311 variables, 0/238 constraints. Problems are: Problem set: 0 solved, 10 unsolved
At refinement iteration 10 (OVERLAPS) 17/328 variables, 17/255 constraints. Problems are: Problem set: 0 solved, 10 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 12:49:15] [INFO ] Deduced a trap composed of 6 places in 82 ms of which 9 ms to minimize.
At refinement iteration 11 (INCLUDED_ONLY) 0/328 variables, 1/256 constraints. Problems are: Problem set: 0 solved, 10 unsolved
At refinement iteration 12 (INCLUDED_ONLY) 0/328 variables, 0/256 constraints. Problems are: Problem set: 0 solved, 10 unsolved
At refinement iteration 13 (OVERLAPS) 0/328 variables, 0/256 constraints. Problems are: Problem set: 0 solved, 10 unsolved
No progress, stopping.
After SMT solving in domain Real declared 328/328 variables, and 256 constraints, problems are : Problem set: 0 solved, 10 unsolved in 1547 ms.
Refiners :[Positive P Invariants (semi-flows): 36/36 constraints, Generalized P Invariants (flows): 24/24 constraints, State Equation: 193/193 constraints, ReadFeed: 2/2 constraints, PredecessorRefiner: 10/10 constraints, Known Traps: 1/1 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 10 unsolved
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/18 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 10 unsolved
At refinement iteration 1 (OVERLAPS) 10/28 variables, 7/7 constraints. Problems are: Problem set: 0 solved, 10 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/28 variables, 0/7 constraints. Problems are: Problem set: 0 solved, 10 unsolved
At refinement iteration 3 (OVERLAPS) 70/98 variables, 29/36 constraints. Problems are: Problem set: 0 solved, 10 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/98 variables, 0/36 constraints. Problems are: Problem set: 0 solved, 10 unsolved
At refinement iteration 5 (OVERLAPS) 78/176 variables, 24/60 constraints. Problems are: Problem set: 0 solved, 10 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/176 variables, 1/61 constraints. Problems are: Problem set: 0 solved, 10 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/176 variables, 0/61 constraints. Problems are: Problem set: 0 solved, 10 unsolved
At refinement iteration 8 (OVERLAPS) 135/311 variables, 176/237 constraints. Problems are: Problem set: 0 solved, 10 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/311 variables, 2/239 constraints. Problems are: Problem set: 0 solved, 10 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/311 variables, 1/240 constraints. Problems are: Problem set: 0 solved, 10 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 12:49:16] [INFO ] Deduced a trap along path composed of 6 places in 62 ms of which 4 ms to minimize.
At refinement iteration 11 (INCLUDED_ONLY) 0/311 variables, 1/241 constraints. Problems are: Problem set: 0 solved, 10 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 12:49:17] [INFO ] Deduced a trap composed of 9 places in 112 ms of which 7 ms to minimize.
At refinement iteration 12 (INCLUDED_ONLY) 0/311 variables, 1/242 constraints. Problems are: Problem set: 0 solved, 10 unsolved
At refinement iteration 13 (INCLUDED_ONLY) 0/311 variables, 0/242 constraints. Problems are: Problem set: 0 solved, 10 unsolved
At refinement iteration 14 (OVERLAPS) 17/328 variables, 17/259 constraints. Problems are: Problem set: 0 solved, 10 unsolved
At refinement iteration 15 (INCLUDED_ONLY) 0/328 variables, 9/268 constraints. Problems are: Problem set: 0 solved, 10 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 12:49:18] [INFO ] Deduced a trap composed of 12 places in 75 ms of which 6 ms to minimize.
At refinement iteration 16 (INCLUDED_ONLY) 0/328 variables, 1/269 constraints. Problems are: Problem set: 0 solved, 10 unsolved
At refinement iteration 17 (INCLUDED_ONLY) 0/328 variables, 0/269 constraints. Problems are: Problem set: 0 solved, 10 unsolved
At refinement iteration 18 (OVERLAPS) 0/328 variables, 0/269 constraints. Problems are: Problem set: 0 solved, 10 unsolved
No progress, stopping.
After SMT solving in domain Int declared 328/328 variables, and 269 constraints, problems are : Problem set: 0 solved, 10 unsolved in 14986 ms.
Refiners :[Positive P Invariants (semi-flows): 36/36 constraints, Generalized P Invariants (flows): 24/24 constraints, State Equation: 193/193 constraints, ReadFeed: 2/2 constraints, PredecessorRefiner: 10/10 constraints, Known Traps: 3/3 constraints, Known Traps Along Path: 1/1 constraints]
After SMT, in 16570ms problems are : Problem set: 0 solved, 10 unsolved
Parikh walk visited 0 properties in 15050 ms.
Support contains 18 out of 193 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 193/193 places, 135/135 transitions.
Applied a total of 0 rules in 13 ms. Remains 193 /193 variables (removed 0) and now considering 135/135 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 13 ms. Remains : 193/193 places, 135/135 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 193/193 places, 135/135 transitions.
Applied a total of 0 rules in 10 ms. Remains 193 /193 variables (removed 0) and now considering 135/135 (removed 0) transitions.
[2025-05-31 12:49:45] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-05-31 12:49:46] [INFO ] Implicit Places using invariants in 260 ms returned []
[2025-05-31 12:49:46] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-05-31 12:49:46] [INFO ] State equation strengthened by 2 read => feed constraints.
[2025-05-31 12:49:46] [INFO ] Implicit Places using invariants and state equation in 520 ms returned []
Implicit Place search using SMT with State Equation took 792 ms to find 0 implicit places.
Starting Z3 with timeout 200.0 s and query timeout 20000.0 ms
[2025-05-31 12:49:46] [INFO ] Redundant transitions in 7 ms returned []
Running 134 sub problems to find dead transitions.
[2025-05-31 12:49:46] [INFO ] Invariant cache hit.
[2025-05-31 12:49:46] [INFO ] State equation strengthened by 2 read => feed constraints.
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
All remaining problems are real, not stopping.
At refinement iteration 0 (INCLUDED_ONLY) 0/192 variables, 11/11 constraints. Problems are: Problem set: 0 solved, 134 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/192 variables, 0/11 constraints. Problems are: Problem set: 0 solved, 134 unsolved
At refinement iteration 2 (OVERLAPS) 1/193 variables, 36/47 constraints. Problems are: Problem set: 0 solved, 134 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/193 variables, 13/60 constraints. Problems are: Problem set: 0 solved, 134 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/193 variables, 0/60 constraints. Problems are: Problem set: 0 solved, 134 unsolved
At refinement iteration 5 (OVERLAPS) 135/328 variables, 193/253 constraints. Problems are: Problem set: 0 solved, 134 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/328 variables, 2/255 constraints. Problems are: Problem set: 0 solved, 134 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 12:49:50] [INFO ] Deduced a trap composed of 9 places in 182 ms of which 19 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 12:49:50] [INFO ] Deduced a trap composed of 12 places in 178 ms of which 16 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 12:49:51] [INFO ] Deduced a trap composed of 7 places in 90 ms of which 7 ms to minimize.
At refinement iteration 7 (INCLUDED_ONLY) 0/328 variables, 3/258 constraints. Problems are: Problem set: 0 solved, 134 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 12:49:54] [INFO ] Deduced a trap composed of 17 places in 155 ms of which 16 ms to minimize.
At refinement iteration 8 (INCLUDED_ONLY) 0/328 variables, 1/259 constraints. Problems are: Problem set: 0 solved, 134 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/328 variables, 0/259 constraints. Problems are: Problem set: 0 solved, 134 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 12:50:00] [INFO ] Deduced a trap composed of 8 places in 87 ms of which 7 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 12:50:00] [INFO ] Deduced a trap composed of 10 places in 145 ms of which 9 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 12:50:01] [INFO ] Deduced a trap composed of 9 places in 74 ms of which 5 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 12:50:01] [INFO ] Deduced a trap composed of 8 places in 83 ms of which 7 ms to minimize.
At refinement iteration 10 (OVERLAPS) 0/328 variables, 4/263 constraints. Problems are: Problem set: 0 solved, 134 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/328 variables, 0/263 constraints. Problems are: Problem set: 0 solved, 134 unsolved
At refinement iteration 12 (OVERLAPS) 0/328 variables, 0/263 constraints. Problems are: Problem set: 0 solved, 134 unsolved
No progress, stopping.
After SMT solving in domain Real declared 328/328 variables, and 263 constraints, problems are : Problem set: 0 solved, 134 unsolved in 21888 ms.
Refiners :[Positive P Invariants (semi-flows): 36/36 constraints, Generalized P Invariants (flows): 24/24 constraints, State Equation: 193/193 constraints, ReadFeed: 2/2 constraints, PredecessorRefiner: 134/134 constraints, Known Traps: 8/8 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 134 unsolved
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/192 variables, 11/11 constraints. Problems are: Problem set: 0 solved, 134 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/192 variables, 0/11 constraints. Problems are: Problem set: 0 solved, 134 unsolved
At refinement iteration 2 (OVERLAPS) 1/193 variables, 36/47 constraints. Problems are: Problem set: 0 solved, 134 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/193 variables, 13/60 constraints. Problems are: Problem set: 0 solved, 134 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/193 variables, 8/68 constraints. Problems are: Problem set: 0 solved, 134 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 12:50:10] [INFO ] Deduced a trap composed of 11 places in 48 ms of which 3 ms to minimize.
At refinement iteration 5 (INCLUDED_ONLY) 0/193 variables, 1/69 constraints. Problems are: Problem set: 0 solved, 134 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/193 variables, 0/69 constraints. Problems are: Problem set: 0 solved, 134 unsolved
At refinement iteration 7 (OVERLAPS) 135/328 variables, 193/262 constraints. Problems are: Problem set: 0 solved, 134 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/328 variables, 2/264 constraints. Problems are: Problem set: 0 solved, 134 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/328 variables, 134/398 constraints. Problems are: Problem set: 0 solved, 134 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 12:50:25] [INFO ] Deduced a trap composed of 6 places in 49 ms of which 4 ms to minimize.
At refinement iteration 10 (INCLUDED_ONLY) 0/328 variables, 1/399 constraints. Problems are: Problem set: 0 solved, 134 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 328/328 variables, and 399 constraints, problems are : Problem set: 0 solved, 134 unsolved in 30012 ms.
Refiners :[Positive P Invariants (semi-flows): 36/36 constraints, Generalized P Invariants (flows): 24/24 constraints, State Equation: 193/193 constraints, ReadFeed: 2/2 constraints, PredecessorRefiner: 134/134 constraints, Known Traps: 10/10 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 52026ms problems are : Problem set: 0 solved, 134 unsolved
Search for dead transitions found 0 dead transitions in 52030ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 52851 ms. Remains : 193/193 places, 135/135 transitions.
Attempting over-approximation, by ignoring read arcs.
Applied a total of 0 rules in 9 ms. Remains 193 /193 variables (removed 0) and now considering 135/135 (removed 0) transitions.
Running SMT prover for 10 properties.
[2025-05-31 12:50:38] [INFO ] Invariant cache hit.
Starting Z3 with timeout 450.0 s and query timeout 45000.0 ms
[2025-05-31 12:50:38] [INFO ] [Real]Absence check using 36 positive place invariants in 17 ms returned sat
[2025-05-31 12:50:38] [INFO ] [Real]Absence check using 36 positive and 24 generalized place invariants in 15 ms returned sat
[2025-05-31 12:50:38] [INFO ] After 180ms SMT Verify possible using all constraints in real domain returned unsat :0 sat :0 real:10
Starting Z3 with timeout 450.0 s and query timeout 45000.0 ms
[2025-05-31 12:50:39] [INFO ] [Nat]Absence check using 36 positive place invariants in 15 ms returned sat
[2025-05-31 12:50:39] [INFO ] [Nat]Absence check using 36 positive and 24 generalized place invariants in 21 ms returned sat
[2025-05-31 12:50:39] [INFO ] After 662ms SMT Verify possible using state equation in natural domain returned unsat :0 sat :10
TRAPS : Iteration 0
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 12:50:40] [INFO ] Deduced a trap composed of 9 places in 70 ms of which 6 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 12:50:40] [INFO ] Deduced a trap composed of 11 places in 73 ms of which 7 ms to minimize.
[2025-05-31 12:50:40] [INFO ] Trap strengthening (SAT) tested/added 3/2 trap constraints in 184 ms
TRAPS : Iteration 1
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 12:50:40] [INFO ] Deduced a trap composed of 8 places in 100 ms of which 6 ms to minimize.
[2025-05-31 12:50:40] [INFO ] Trap strengthening (SAT) tested/added 2/1 trap constraints in 144 ms
TRAPS : Iteration 2
[2025-05-31 12:50:42] [INFO ] After 2896ms SMT Verify possible using trap constraints in natural domain returned unsat :0 sat :10
[2025-05-31 12:50:42] [INFO ] After 3715ms SMT Verify possible using all constraints in natural domain returned unsat :0 sat :10
Over-approximation ignoring read arcs solved 0 properties in 3929 ms.
FORMULA DES-PT-20a-LTLFireability-15 FALSE TECHNIQUES REACHABILITY_KNOWLEDGE
Computed a total of 96 stabilizing places and 91 stable transitions
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202505121319/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!(X(X(X(G(p0)))))'
Support contains 2 out of 193 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 193/193 places, 137/137 transitions.
Applied a total of 0 rules in 5 ms. Remains 193 /193 variables (removed 0) and now considering 137/137 (removed 0) transitions.
// Phase 1: matrix 137 rows 193 cols
[2025-05-31 12:50:43] [INFO ] Computed 58 invariants in 5 ms
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-05-31 12:50:43] [INFO ] Implicit Places using invariants in 341 ms returned []
[2025-05-31 12:50:43] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-05-31 12:50:44] [INFO ] Implicit Places using invariants and state equation in 529 ms returned []
Implicit Place search using SMT with State Equation took 886 ms to find 0 implicit places.
Running 136 sub problems to find dead transitions.
[2025-05-31 12:50:44] [INFO ] Invariant cache hit.
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
All remaining problems are real, not stopping.
At refinement iteration 0 (INCLUDED_ONLY) 0/192 variables, 12/12 constraints. Problems are: Problem set: 0 solved, 136 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/192 variables, 0/12 constraints. Problems are: Problem set: 0 solved, 136 unsolved
At refinement iteration 2 (OVERLAPS) 1/193 variables, 33/45 constraints. Problems are: Problem set: 0 solved, 136 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/193 variables, 13/58 constraints. Problems are: Problem set: 0 solved, 136 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 12:50:45] [INFO ] Deduced a trap composed of 12 places in 56 ms of which 9 ms to minimize.
At refinement iteration 4 (INCLUDED_ONLY) 0/193 variables, 1/59 constraints. Problems are: Problem set: 0 solved, 136 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/193 variables, 0/59 constraints. Problems are: Problem set: 0 solved, 136 unsolved
At refinement iteration 6 (OVERLAPS) 137/330 variables, 193/252 constraints. Problems are: Problem set: 0 solved, 136 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 12:50:48] [INFO ] Deduced a trap composed of 17 places in 102 ms of which 18 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 12:50:48] [INFO ] Deduced a trap composed of 10 places in 54 ms of which 4 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 12:50:48] [INFO ] Deduced a trap composed of 12 places in 53 ms of which 4 ms to minimize.
At refinement iteration 7 (INCLUDED_ONLY) 0/330 variables, 3/255 constraints. Problems are: Problem set: 0 solved, 136 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/330 variables, 0/255 constraints. Problems are: Problem set: 0 solved, 136 unsolved
At refinement iteration 9 (OVERLAPS) 0/330 variables, 0/255 constraints. Problems are: Problem set: 0 solved, 136 unsolved
No progress, stopping.
After SMT solving in domain Real declared 330/330 variables, and 255 constraints, problems are : Problem set: 0 solved, 136 unsolved in 12364 ms.
Refiners :[Positive P Invariants (semi-flows): 33/33 constraints, Generalized P Invariants (flows): 25/25 constraints, State Equation: 193/193 constraints, PredecessorRefiner: 136/136 constraints, Known Traps: 4/4 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 136 unsolved
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/192 variables, 12/12 constraints. Problems are: Problem set: 0 solved, 136 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/192 variables, 0/12 constraints. Problems are: Problem set: 0 solved, 136 unsolved
At refinement iteration 2 (OVERLAPS) 1/193 variables, 33/45 constraints. Problems are: Problem set: 0 solved, 136 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/193 variables, 13/58 constraints. Problems are: Problem set: 0 solved, 136 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/193 variables, 4/62 constraints. Problems are: Problem set: 0 solved, 136 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/193 variables, 0/62 constraints. Problems are: Problem set: 0 solved, 136 unsolved
At refinement iteration 6 (OVERLAPS) 137/330 variables, 193/255 constraints. Problems are: Problem set: 0 solved, 136 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/330 variables, 136/391 constraints. Problems are: Problem set: 0 solved, 136 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 330/330 variables, and 391 constraints, problems are : Problem set: 0 solved, 136 unsolved in 30017 ms.
Refiners :[Positive P Invariants (semi-flows): 33/33 constraints, Generalized P Invariants (flows): 25/25 constraints, State Equation: 193/193 constraints, PredecessorRefiner: 136/136 constraints, Known Traps: 4/4 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 42420ms problems are : Problem set: 0 solved, 136 unsolved
Search for dead transitions found 0 dead transitions in 42421ms
Finished structural reductions in LTL mode , in 1 iterations and 43313 ms. Remains : 193/193 places, 137/137 transitions.
Stuttering acceptance computed with spot in 432 ms :[true, (NOT p0), (NOT p0), (NOT p0), (NOT p0)]
Running random walk in product with property : DES-PT-20a-LTLFireability-00
Entered a terminal (fully accepting) state of product in 6 steps with 0 reset in 3 ms.
FORMULA DES-PT-20a-LTLFireability-00 FALSE TECHNIQUES STUTTER_TEST
Treatment of property DES-PT-20a-LTLFireability-00 finished in 43858 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((p0 U p1)))) U X((!p2||F(G(p3))))))'
Support contains 7 out of 193 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 193/193 places, 137/137 transitions.
Applied a total of 0 rules in 4 ms. Remains 193 /193 variables (removed 0) and now considering 137/137 (removed 0) transitions.
[2025-05-31 12:51:27] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-05-31 12:51:27] [INFO ] Implicit Places using invariants in 369 ms returned []
[2025-05-31 12:51:27] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-05-31 12:51:28] [INFO ] Implicit Places using invariants and state equation in 567 ms returned []
Implicit Place search using SMT with State Equation took 946 ms to find 0 implicit places.
Running 136 sub problems to find dead transitions.
[2025-05-31 12:51:28] [INFO ] Invariant cache hit.
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
All remaining problems are real, not stopping.
At refinement iteration 0 (INCLUDED_ONLY) 0/192 variables, 12/12 constraints. Problems are: Problem set: 0 solved, 136 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/192 variables, 0/12 constraints. Problems are: Problem set: 0 solved, 136 unsolved
At refinement iteration 2 (OVERLAPS) 1/193 variables, 33/45 constraints. Problems are: Problem set: 0 solved, 136 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/193 variables, 13/58 constraints. Problems are: Problem set: 0 solved, 136 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 12:51:29] [INFO ] Deduced a trap composed of 12 places in 61 ms of which 10 ms to minimize.
At refinement iteration 4 (INCLUDED_ONLY) 0/193 variables, 1/59 constraints. Problems are: Problem set: 0 solved, 136 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/193 variables, 0/59 constraints. Problems are: Problem set: 0 solved, 136 unsolved
At refinement iteration 6 (OVERLAPS) 137/330 variables, 193/252 constraints. Problems are: Problem set: 0 solved, 136 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 12:51:32] [INFO ] Deduced a trap composed of 17 places in 107 ms of which 18 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 12:51:33] [INFO ] Deduced a trap composed of 10 places in 55 ms of which 5 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 12:51:33] [INFO ] Deduced a trap composed of 12 places in 71 ms of which 4 ms to minimize.
At refinement iteration 7 (INCLUDED_ONLY) 0/330 variables, 3/255 constraints. Problems are: Problem set: 0 solved, 136 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/330 variables, 0/255 constraints. Problems are: Problem set: 0 solved, 136 unsolved
At refinement iteration 9 (OVERLAPS) 0/330 variables, 0/255 constraints. Problems are: Problem set: 0 solved, 136 unsolved
No progress, stopping.
After SMT solving in domain Real declared 330/330 variables, and 255 constraints, problems are : Problem set: 0 solved, 136 unsolved in 13190 ms.
Refiners :[Positive P Invariants (semi-flows): 33/33 constraints, Generalized P Invariants (flows): 25/25 constraints, State Equation: 193/193 constraints, PredecessorRefiner: 136/136 constraints, Known Traps: 4/4 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 136 unsolved
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/192 variables, 12/12 constraints. Problems are: Problem set: 0 solved, 136 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/192 variables, 0/12 constraints. Problems are: Problem set: 0 solved, 136 unsolved
At refinement iteration 2 (OVERLAPS) 1/193 variables, 33/45 constraints. Problems are: Problem set: 0 solved, 136 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/193 variables, 13/58 constraints. Problems are: Problem set: 0 solved, 136 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/193 variables, 4/62 constraints. Problems are: Problem set: 0 solved, 136 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/193 variables, 0/62 constraints. Problems are: Problem set: 0 solved, 136 unsolved
At refinement iteration 6 (OVERLAPS) 137/330 variables, 193/255 constraints. Problems are: Problem set: 0 solved, 136 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/330 variables, 136/391 constraints. Problems are: Problem set: 0 solved, 136 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 330/330 variables, and 391 constraints, problems are : Problem set: 0 solved, 136 unsolved in 30011 ms.
Refiners :[Positive P Invariants (semi-flows): 33/33 constraints, Generalized P Invariants (flows): 25/25 constraints, State Equation: 193/193 constraints, PredecessorRefiner: 136/136 constraints, Known Traps: 4/4 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 43255ms problems are : Problem set: 0 solved, 136 unsolved
Search for dead transitions found 0 dead transitions in 43257ms
Finished structural reductions in LTL mode , in 1 iterations and 44210 ms. Remains : 193/193 places, 137/137 transitions.
Stuttering acceptance computed with spot in 209 ms :[(AND p2 (NOT p3)), (AND (NOT p0) p2 (NOT p1) (NOT p3)), (AND p2 (NOT p3)), (AND (NOT p0) (NOT p1) (NOT p3))]
Running random walk in product with property : DES-PT-20a-LTLFireability-01
Product exploration explored 100000 steps with 50000 reset in 705 ms.
Product exploration explored 100000 steps with 50000 reset in 608 ms.
Computed a total of 96 stabilizing places and 91 stable transitions
Computed a total of 96 stabilizing places and 91 stable transitions
Knowledge obtained : [(AND (NOT p0) (NOT p2) (NOT p1) (NOT p3)), (X (NOT p2)), (X (NOT p3)), (X (NOT (AND (NOT p0) p2))), (X (NOT (AND (NOT p0) p2 (NOT p1)))), (X (NOT (AND p2 p3))), (X (NOT (AND p2 (NOT p3)))), (X (NOT p0)), (X (NOT p1)), (X (X (NOT p2))), (X (X (NOT p3))), (X (X (NOT (AND (NOT p0) p2)))), (X (X (NOT (AND (NOT p0) (NOT p1) p3)))), (X (X (NOT (AND (NOT p0) p2 (NOT p1))))), (X (X (NOT (AND p2 p3)))), (X (X (NOT (AND p2 (NOT p3))))), (X (X (NOT p0))), (X (X (NOT p1))), (X (X (AND (NOT p0) (NOT p1) (NOT p3))))]
False Knowledge obtained : []
Property proved to be true thanks to knowledge (Minato strategy)
Knowledge based reduction with 19 factoid took 21 ms. Reduced automaton from 4 states, 8 edges and 4 AP (stutter sensitive) to 1 states, 0 edges and 0 AP (stutter insensitive).
FORMULA DES-PT-20a-LTLFireability-01 TRUE TECHNIQUES KNOWLEDGE
Treatment of property DES-PT-20a-LTLFireability-01 finished in 45814 ms.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202505121319/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!(F(G((p0 U p1))))'
Support contains 6 out of 193 places. Attempting structural reductions.
Starting structural reductions in SI_LTL mode, iteration 0 : 193/193 places, 137/137 transitions.
Applied a total of 0 rules in 12 ms. Remains 193 /193 variables (removed 0) and now considering 137/137 (removed 0) transitions.
[2025-05-31 12:52:12] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-05-31 12:52:13] [INFO ] Implicit Places using invariants in 273 ms returned []
[2025-05-31 12:52:13] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-05-31 12:52:13] [INFO ] Implicit Places using invariants and state equation in 524 ms returned []
Implicit Place search using SMT with State Equation took 800 ms to find 0 implicit places.
Starting Z3 with timeout 200.0 s and query timeout 20000.0 ms
[2025-05-31 12:52:13] [INFO ] Redundant transitions in 11 ms returned []
Running 136 sub problems to find dead transitions.
[2025-05-31 12:52:13] [INFO ] Invariant cache hit.
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
All remaining problems are real, not stopping.
At refinement iteration 0 (INCLUDED_ONLY) 0/192 variables, 12/12 constraints. Problems are: Problem set: 0 solved, 136 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/192 variables, 0/12 constraints. Problems are: Problem set: 0 solved, 136 unsolved
At refinement iteration 2 (OVERLAPS) 1/193 variables, 33/45 constraints. Problems are: Problem set: 0 solved, 136 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/193 variables, 13/58 constraints. Problems are: Problem set: 0 solved, 136 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 12:52:15] [INFO ] Deduced a trap composed of 12 places in 58 ms of which 8 ms to minimize.
At refinement iteration 4 (INCLUDED_ONLY) 0/193 variables, 1/59 constraints. Problems are: Problem set: 0 solved, 136 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/193 variables, 0/59 constraints. Problems are: Problem set: 0 solved, 136 unsolved
At refinement iteration 6 (OVERLAPS) 137/330 variables, 193/252 constraints. Problems are: Problem set: 0 solved, 136 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 12:52:18] [INFO ] Deduced a trap composed of 17 places in 98 ms of which 16 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 12:52:19] [INFO ] Deduced a trap composed of 10 places in 50 ms of which 5 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 12:52:19] [INFO ] Deduced a trap composed of 12 places in 56 ms of which 5 ms to minimize.
At refinement iteration 7 (INCLUDED_ONLY) 0/330 variables, 3/255 constraints. Problems are: Problem set: 0 solved, 136 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/330 variables, 0/255 constraints. Problems are: Problem set: 0 solved, 136 unsolved
At refinement iteration 9 (OVERLAPS) 0/330 variables, 0/255 constraints. Problems are: Problem set: 0 solved, 136 unsolved
No progress, stopping.
After SMT solving in domain Real declared 330/330 variables, and 255 constraints, problems are : Problem set: 0 solved, 136 unsolved in 13265 ms.
Refiners :[Positive P Invariants (semi-flows): 33/33 constraints, Generalized P Invariants (flows): 25/25 constraints, State Equation: 193/193 constraints, PredecessorRefiner: 136/136 constraints, Known Traps: 4/4 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 136 unsolved
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/192 variables, 12/12 constraints. Problems are: Problem set: 0 solved, 136 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/192 variables, 0/12 constraints. Problems are: Problem set: 0 solved, 136 unsolved
At refinement iteration 2 (OVERLAPS) 1/193 variables, 33/45 constraints. Problems are: Problem set: 0 solved, 136 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/193 variables, 13/58 constraints. Problems are: Problem set: 0 solved, 136 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/193 variables, 4/62 constraints. Problems are: Problem set: 0 solved, 136 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/193 variables, 0/62 constraints. Problems are: Problem set: 0 solved, 136 unsolved
At refinement iteration 6 (OVERLAPS) 137/330 variables, 193/255 constraints. Problems are: Problem set: 0 solved, 136 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/330 variables, 136/391 constraints. Problems are: Problem set: 0 solved, 136 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 330/330 variables, and 391 constraints, problems are : Problem set: 0 solved, 136 unsolved in 30016 ms.
Refiners :[Positive P Invariants (semi-flows): 33/33 constraints, Generalized P Invariants (flows): 25/25 constraints, State Equation: 193/193 constraints, PredecessorRefiner: 136/136 constraints, Known Traps: 4/4 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 43326ms problems are : Problem set: 0 solved, 136 unsolved
Search for dead transitions found 0 dead transitions in 43327ms
Finished structural reductions in SI_LTL mode , in 1 iterations and 44158 ms. Remains : 193/193 places, 137/137 transitions.
Stuttering acceptance computed with spot in 102 ms :[(NOT p1), (NOT p1)]
Running random walk in product with property : DES-PT-20a-LTLFireability-03
Stuttering criterion allowed to conclude after 39 steps with 0 reset in 0 ms.
FORMULA DES-PT-20a-LTLFireability-03 FALSE TECHNIQUES STUTTER_TEST
Treatment of property DES-PT-20a-LTLFireability-03 finished in 44279 ms.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202505121319/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!(F(G(p0)))'
Support contains 2 out of 193 places. Attempting structural reductions.
Starting structural reductions in SI_LTL mode, iteration 0 : 193/193 places, 137/137 transitions.
Applied a total of 0 rules in 15 ms. Remains 193 /193 variables (removed 0) and now considering 137/137 (removed 0) transitions.
[2025-05-31 12:52:57] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-05-31 12:52:57] [INFO ] Implicit Places using invariants in 311 ms returned []
[2025-05-31 12:52:57] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-05-31 12:52:57] [INFO ] Implicit Places using invariants and state equation in 502 ms returned []
Implicit Place search using SMT with State Equation took 814 ms to find 0 implicit places.
Starting Z3 with timeout 200.0 s and query timeout 20000.0 ms
[2025-05-31 12:52:57] [INFO ] Redundant transitions in 6 ms returned []
Running 136 sub problems to find dead transitions.
[2025-05-31 12:52:57] [INFO ] Invariant cache hit.
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
All remaining problems are real, not stopping.
At refinement iteration 0 (INCLUDED_ONLY) 0/192 variables, 12/12 constraints. Problems are: Problem set: 0 solved, 136 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/192 variables, 0/12 constraints. Problems are: Problem set: 0 solved, 136 unsolved
At refinement iteration 2 (OVERLAPS) 1/193 variables, 33/45 constraints. Problems are: Problem set: 0 solved, 136 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/193 variables, 13/58 constraints. Problems are: Problem set: 0 solved, 136 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 12:52:59] [INFO ] Deduced a trap composed of 12 places in 64 ms of which 9 ms to minimize.
At refinement iteration 4 (INCLUDED_ONLY) 0/193 variables, 1/59 constraints. Problems are: Problem set: 0 solved, 136 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/193 variables, 0/59 constraints. Problems are: Problem set: 0 solved, 136 unsolved
At refinement iteration 6 (OVERLAPS) 137/330 variables, 193/252 constraints. Problems are: Problem set: 0 solved, 136 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 12:53:02] [INFO ] Deduced a trap composed of 17 places in 103 ms of which 16 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 12:53:03] [INFO ] Deduced a trap composed of 10 places in 64 ms of which 4 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 12:53:03] [INFO ] Deduced a trap composed of 12 places in 58 ms of which 5 ms to minimize.
At refinement iteration 7 (INCLUDED_ONLY) 0/330 variables, 3/255 constraints. Problems are: Problem set: 0 solved, 136 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/330 variables, 0/255 constraints. Problems are: Problem set: 0 solved, 136 unsolved
At refinement iteration 9 (OVERLAPS) 0/330 variables, 0/255 constraints. Problems are: Problem set: 0 solved, 136 unsolved
No progress, stopping.
After SMT solving in domain Real declared 330/330 variables, and 255 constraints, problems are : Problem set: 0 solved, 136 unsolved in 12333 ms.
Refiners :[Positive P Invariants (semi-flows): 33/33 constraints, Generalized P Invariants (flows): 25/25 constraints, State Equation: 193/193 constraints, PredecessorRefiner: 136/136 constraints, Known Traps: 4/4 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 136 unsolved
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/192 variables, 12/12 constraints. Problems are: Problem set: 0 solved, 136 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/192 variables, 0/12 constraints. Problems are: Problem set: 0 solved, 136 unsolved
At refinement iteration 2 (OVERLAPS) 1/193 variables, 33/45 constraints. Problems are: Problem set: 0 solved, 136 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/193 variables, 13/58 constraints. Problems are: Problem set: 0 solved, 136 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/193 variables, 4/62 constraints. Problems are: Problem set: 0 solved, 136 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/193 variables, 0/62 constraints. Problems are: Problem set: 0 solved, 136 unsolved
At refinement iteration 6 (OVERLAPS) 137/330 variables, 193/255 constraints. Problems are: Problem set: 0 solved, 136 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/330 variables, 136/391 constraints. Problems are: Problem set: 0 solved, 136 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 330/330 variables, and 391 constraints, problems are : Problem set: 0 solved, 136 unsolved in 30013 ms.
Refiners :[Positive P Invariants (semi-flows): 33/33 constraints, Generalized P Invariants (flows): 25/25 constraints, State Equation: 193/193 constraints, PredecessorRefiner: 136/136 constraints, Known Traps: 4/4 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 42382ms problems are : Problem set: 0 solved, 136 unsolved
Search for dead transitions found 0 dead transitions in 42382ms
Finished structural reductions in SI_LTL mode , in 1 iterations and 43226 ms. Remains : 193/193 places, 137/137 transitions.
Stuttering acceptance computed with spot in 55 ms :[(NOT p0)]
Running random walk in product with property : DES-PT-20a-LTLFireability-04
Product exploration explored 100000 steps with 2235 reset in 436 ms.
Product exploration explored 100000 steps with 2208 reset in 415 ms.
Computed a total of 96 stabilizing places and 91 stable transitions
Computed a total of 96 stabilizing places and 91 stable transitions
Knowledge obtained : [p0, (X p0), (X (X p0))]
False Knowledge obtained : []
Knowledge based reduction with 3 factoid took 96 ms. Reduced automaton from 1 states, 2 edges and 1 AP (stutter insensitive) to 1 states, 2 edges and 1 AP (stutter insensitive).
Stuttering acceptance computed with spot in 34 ms :[(NOT p0)]
RANDOM walk for 40000 steps (894 resets) in 208 ms. (191 steps per ms) remains 1/1 properties
BEST_FIRST walk for 40004 steps (250 resets) in 230 ms. (173 steps per ms) remains 1/1 properties
Interrupted probabilistic random walk after 1199813 steps, run timeout after 3001 ms. (steps per millisecond=399 ) properties seen :0 out of 1
Probabilistic random walk after 1199813 steps, saw 170790 distinct states, run finished after 3001 ms. (steps per millisecond=399 ) properties seen :0
[2025-05-31 12:53:44] [INFO ] Invariant cache hit.
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
All remaining problems are real, not stopping.
At refinement iteration 0 (INCLUDED_ONLY) 0/2 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 1 (OVERLAPS) 3/5 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/5 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (OVERLAPS) 74/79 variables, 32/33 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/79 variables, 0/33 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (OVERLAPS) 85/164 variables, 23/56 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/164 variables, 0/56 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (OVERLAPS) 6/170 variables, 2/58 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/170 variables, 0/58 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (OVERLAPS) 136/306 variables, 170/228 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/306 variables, 0/228 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 11 (OVERLAPS) 24/330 variables, 23/251 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 12 (INCLUDED_ONLY) 0/330 variables, 0/251 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 13 (OVERLAPS) 0/330 variables, 0/251 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Real declared 330/330 variables, and 251 constraints, problems are : Problem set: 0 solved, 1 unsolved in 174 ms.
Refiners :[Positive P Invariants (semi-flows): 33/33 constraints, Generalized P Invariants (flows): 25/25 constraints, State Equation: 193/193 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) 3/5 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/5 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (OVERLAPS) 74/79 variables, 32/33 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/79 variables, 0/33 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (OVERLAPS) 85/164 variables, 23/56 constraints. Problems are: Problem set: 0 solved, 1 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 12:53:44] [INFO ] Deduced a trap composed of 12 places in 36 ms of which 4 ms to minimize.
At refinement iteration 6 (INCLUDED_ONLY) 0/164 variables, 1/57 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/164 variables, 0/57 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (OVERLAPS) 6/170 variables, 2/59 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/170 variables, 0/59 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (OVERLAPS) 136/306 variables, 170/229 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/306 variables, 0/229 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 12 (OVERLAPS) 24/330 variables, 23/252 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 13 (INCLUDED_ONLY) 0/330 variables, 1/253 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 14 (INCLUDED_ONLY) 0/330 variables, 0/253 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 15 (OVERLAPS) 0/330 variables, 0/253 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Int declared 330/330 variables, and 253 constraints, problems are : Problem set: 0 solved, 1 unsolved in 456 ms.
Refiners :[Positive P Invariants (semi-flows): 33/33 constraints, Generalized P Invariants (flows): 25/25 constraints, State Equation: 193/193 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 1/1 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 635ms problems are : Problem set: 0 solved, 1 unsolved
Parikh walk visited 0 properties in 227 ms.
Support contains 2 out of 193 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 193/193 places, 137/137 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 2 place count 193 transition count 135
Partial Free-agglomeration rule applied 5 times.
Drop transitions (Partial Free agglomeration) removed 5 transitions
Iterating global reduction 1 with 5 rules applied. Total rules applied 7 place count 193 transition count 135
Applied a total of 7 rules in 28 ms. Remains 193 /193 variables (removed 0) and now considering 135/137 (removed 2) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 28 ms. Remains : 193/193 places, 135/137 transitions.
RANDOM walk for 40000 steps (537 resets) in 262 ms. (152 steps per ms) remains 1/1 properties
BEST_FIRST walk for 40003 steps (288 resets) in 103 ms. (384 steps per ms) remains 1/1 properties
Interrupted probabilistic random walk after 1288654 steps, run timeout after 3001 ms. (steps per millisecond=429 ) properties seen :0 out of 1
Probabilistic random walk after 1288654 steps, saw 179427 distinct states, run finished after 3001 ms. (steps per millisecond=429 ) properties seen :0
// Phase 1: matrix 135 rows 193 cols
[2025-05-31 12:53:48] [INFO ] Computed 60 invariants in 6 ms
[2025-05-31 12:53:48] [INFO ] State equation strengthened by 3 read => feed constraints.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
All remaining problems are real, not stopping.
At refinement iteration 0 (INCLUDED_ONLY) 0/2 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 1 (OVERLAPS) 3/5 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/5 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (OVERLAPS) 83/88 variables, 35/36 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/88 variables, 0/36 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (OVERLAPS) 85/173 variables, 24/60 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/173 variables, 0/60 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (OVERLAPS) 135/308 variables, 173/233 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/308 variables, 3/236 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/308 variables, 0/236 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (OVERLAPS) 20/328 variables, 20/256 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/328 variables, 0/256 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 12 (OVERLAPS) 0/328 variables, 0/256 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Real declared 328/328 variables, and 256 constraints, problems are : Problem set: 0 solved, 1 unsolved in 177 ms.
Refiners :[Positive P Invariants (semi-flows): 36/36 constraints, Generalized P Invariants (flows): 24/24 constraints, State Equation: 193/193 constraints, ReadFeed: 3/3 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 45.0 s and query timeout 4500.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/2 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 1 (OVERLAPS) 3/5 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/5 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (OVERLAPS) 83/88 variables, 35/36 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/88 variables, 0/36 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (OVERLAPS) 85/173 variables, 24/60 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/173 variables, 0/60 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (OVERLAPS) 135/308 variables, 173/233 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/308 variables, 3/236 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/308 variables, 0/236 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (OVERLAPS) 20/328 variables, 20/256 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/328 variables, 1/257 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 12 (INCLUDED_ONLY) 0/328 variables, 0/257 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 13 (OVERLAPS) 0/328 variables, 0/257 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Int declared 328/328 variables, and 257 constraints, problems are : Problem set: 0 solved, 1 unsolved in 481 ms.
Refiners :[Positive P Invariants (semi-flows): 36/36 constraints, Generalized P Invariants (flows): 24/24 constraints, State Equation: 193/193 constraints, ReadFeed: 3/3 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 671ms problems are : Problem set: 0 solved, 1 unsolved
Parikh walk visited 0 properties in 226 ms.
Support contains 2 out of 193 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 193/193 places, 135/135 transitions.
Applied a total of 0 rules in 13 ms. Remains 193 /193 variables (removed 0) and now considering 135/135 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 13 ms. Remains : 193/193 places, 135/135 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 193/193 places, 135/135 transitions.
Applied a total of 0 rules in 12 ms. Remains 193 /193 variables (removed 0) and now considering 135/135 (removed 0) transitions.
[2025-05-31 12:53:49] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-05-31 12:53:49] [INFO ] Implicit Places using invariants in 269 ms returned []
[2025-05-31 12:53:49] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-05-31 12:53:50] [INFO ] State equation strengthened by 3 read => feed constraints.
[2025-05-31 12:53:50] [INFO ] Implicit Places using invariants and state equation in 627 ms returned []
Implicit Place search using SMT with State Equation took 899 ms to find 0 implicit places.
Starting Z3 with timeout 200.0 s and query timeout 20000.0 ms
[2025-05-31 12:53:50] [INFO ] Redundant transitions in 7 ms returned []
Running 134 sub problems to find dead transitions.
[2025-05-31 12:53:50] [INFO ] Invariant cache hit.
[2025-05-31 12:53:50] [INFO ] State equation strengthened by 3 read => feed constraints.
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
All remaining problems are real, not stopping.
At refinement iteration 0 (INCLUDED_ONLY) 0/192 variables, 11/11 constraints. Problems are: Problem set: 0 solved, 134 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/192 variables, 0/11 constraints. Problems are: Problem set: 0 solved, 134 unsolved
At refinement iteration 2 (OVERLAPS) 1/193 variables, 36/47 constraints. Problems are: Problem set: 0 solved, 134 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/193 variables, 13/60 constraints. Problems are: Problem set: 0 solved, 134 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/193 variables, 0/60 constraints. Problems are: Problem set: 0 solved, 134 unsolved
At refinement iteration 5 (OVERLAPS) 135/328 variables, 193/253 constraints. Problems are: Problem set: 0 solved, 134 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/328 variables, 3/256 constraints. Problems are: Problem set: 0 solved, 134 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 12:53:53] [INFO ] Deduced a trap composed of 7 places in 155 ms of which 15 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 12:53:54] [INFO ] Deduced a trap composed of 16 places in 110 ms of which 12 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 12:53:54] [INFO ] Deduced a trap composed of 17 places in 111 ms of which 10 ms to minimize.
At refinement iteration 7 (INCLUDED_ONLY) 0/328 variables, 3/259 constraints. Problems are: Problem set: 0 solved, 134 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 12:53:56] [INFO ] Deduced a trap composed of 12 places in 94 ms of which 10 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 12:53:57] [INFO ] Deduced a trap composed of 8 places in 35 ms of which 3 ms to minimize.
At refinement iteration 8 (INCLUDED_ONLY) 0/328 variables, 2/261 constraints. Problems are: Problem set: 0 solved, 134 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/328 variables, 0/261 constraints. Problems are: Problem set: 0 solved, 134 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 12:54:03] [INFO ] Deduced a trap along path composed of 8 places in 48 ms of which 2 ms to minimize.
At refinement iteration 10 (OVERLAPS) 0/328 variables, 1/262 constraints. Problems are: Problem set: 0 solved, 134 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/328 variables, 0/262 constraints. Problems are: Problem set: 0 solved, 134 unsolved
At refinement iteration 12 (OVERLAPS) 0/328 variables, 0/262 constraints. Problems are: Problem set: 0 solved, 134 unsolved
No progress, stopping.
After SMT solving in domain Real declared 328/328 variables, and 262 constraints, problems are : Problem set: 0 solved, 134 unsolved in 19022 ms.
Refiners :[Positive P Invariants (semi-flows): 36/36 constraints, Generalized P Invariants (flows): 24/24 constraints, State Equation: 193/193 constraints, ReadFeed: 3/3 constraints, PredecessorRefiner: 134/134 constraints, Known Traps: 5/5 constraints, Known Traps Along Path: 1/1 constraints]
Escalating to Integer solving :Problem set: 0 solved, 134 unsolved
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/192 variables, 11/11 constraints. Problems are: Problem set: 0 solved, 134 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/192 variables, 0/11 constraints. Problems are: Problem set: 0 solved, 134 unsolved
At refinement iteration 2 (OVERLAPS) 1/193 variables, 36/47 constraints. Problems are: Problem set: 0 solved, 134 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/193 variables, 13/60 constraints. Problems are: Problem set: 0 solved, 134 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/193 variables, 5/65 constraints. Problems are: Problem set: 0 solved, 134 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 12:54:10] [INFO ] Deduced a trap composed of 6 places in 34 ms of which 3 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 12:54:10] [INFO ] Deduced a trap composed of 9 places in 39 ms of which 3 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 12:54:10] [INFO ] Deduced a trap composed of 11 places in 36 ms of which 3 ms to minimize.
At refinement iteration 5 (INCLUDED_ONLY) 0/193 variables, 3/68 constraints. Problems are: Problem set: 0 solved, 134 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/193 variables, 0/68 constraints. Problems are: Problem set: 0 solved, 134 unsolved
At refinement iteration 7 (OVERLAPS) 135/328 variables, 193/261 constraints. Problems are: Problem set: 0 solved, 134 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/328 variables, 3/264 constraints. Problems are: Problem set: 0 solved, 134 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/328 variables, 134/398 constraints. Problems are: Problem set: 0 solved, 134 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 12:54:23] [INFO ] Deduced a trap composed of 15 places in 76 ms of which 10 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 12:54:23] [INFO ] Deduced a trap composed of 8 places in 79 ms of which 5 ms to minimize.
At refinement iteration 10 (INCLUDED_ONLY) 0/328 variables, 2/400 constraints. Problems are: Problem set: 0 solved, 134 unsolved
SMT process timed out in 49072ms, After SMT, problems are : Problem set: 0 solved, 134 unsolved
Search for dead transitions found 0 dead transitions in 49074ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 50000 ms. Remains : 193/193 places, 135/135 transitions.
Attempting over-approximation, by ignoring read arcs.
Partial Free-agglomeration rule applied 1 times.
Drop transitions (Partial Free agglomeration) removed 1 transitions
Iterating global reduction 0 with 1 rules applied. Total rules applied 1 place count 193 transition count 135
Applied a total of 1 rules in 16 ms. Remains 193 /193 variables (removed 0) and now considering 135/135 (removed 0) transitions.
Running SMT prover for 1 properties.
// Phase 1: matrix 135 rows 193 cols
[2025-05-31 12:54:39] [INFO ] Computed 60 invariants in 6 ms
Starting Z3 with timeout 450.0 s and query timeout 45000.0 ms
[2025-05-31 12:54:39] [INFO ] After 54ms SMT Verify possible using all constraints in real domain returned unsat :0 sat :0 real:1
Starting Z3 with timeout 450.0 s and query timeout 45000.0 ms
[2025-05-31 12:54:39] [INFO ] [Nat]Absence check using 36 positive place invariants in 11 ms returned sat
[2025-05-31 12:54:39] [INFO ] [Nat]Absence check using 36 positive and 24 generalized place invariants in 16 ms returned sat
[2025-05-31 12:54:39] [INFO ] After 149ms SMT Verify possible using state equation in natural domain returned unsat :0 sat :1
TRAPS : Iteration 0
[2025-05-31 12:54:39] [INFO ] After 183ms SMT Verify possible using trap constraints in natural domain returned unsat :0 sat :1
[2025-05-31 12:54:39] [INFO ] After 318ms SMT Verify possible using all constraints in natural domain returned unsat :0 sat :1
Over-approximation ignoring read arcs solved 0 properties in 398 ms.
Knowledge obtained : [p0, (X p0), (X (X p0))]
False Knowledge obtained : []
Knowledge based reduction with 3 factoid took 78 ms. Reduced automaton from 1 states, 2 edges and 1 AP (stutter insensitive) to 1 states, 2 edges and 1 AP (stutter insensitive).
Stuttering acceptance computed with spot in 39 ms :[(NOT p0)]
Stuttering acceptance computed with spot in 38 ms :[(NOT p0)]
Support contains 2 out of 193 places. Attempting structural reductions.
Starting structural reductions in SI_LTL mode, iteration 0 : 193/193 places, 137/137 transitions.
Applied a total of 0 rules in 11 ms. Remains 193 /193 variables (removed 0) and now considering 137/137 (removed 0) transitions.
// Phase 1: matrix 137 rows 193 cols
[2025-05-31 12:54:40] [INFO ] Computed 58 invariants in 2 ms
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-05-31 12:54:40] [INFO ] Implicit Places using invariants in 252 ms returned []
[2025-05-31 12:54:40] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-05-31 12:54:40] [INFO ] Implicit Places using invariants and state equation in 528 ms returned []
Implicit Place search using SMT with State Equation took 782 ms to find 0 implicit places.
Starting Z3 with timeout 200.0 s and query timeout 20000.0 ms
[2025-05-31 12:54:40] [INFO ] Redundant transitions in 2 ms returned []
Running 136 sub problems to find dead transitions.
[2025-05-31 12:54:40] [INFO ] Invariant cache hit.
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
All remaining problems are real, not stopping.
At refinement iteration 0 (INCLUDED_ONLY) 0/192 variables, 12/12 constraints. Problems are: Problem set: 0 solved, 136 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/192 variables, 0/12 constraints. Problems are: Problem set: 0 solved, 136 unsolved
At refinement iteration 2 (OVERLAPS) 1/193 variables, 33/45 constraints. Problems are: Problem set: 0 solved, 136 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/193 variables, 13/58 constraints. Problems are: Problem set: 0 solved, 136 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 12:54:42] [INFO ] Deduced a trap composed of 12 places in 57 ms of which 9 ms to minimize.
At refinement iteration 4 (INCLUDED_ONLY) 0/193 variables, 1/59 constraints. Problems are: Problem set: 0 solved, 136 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/193 variables, 0/59 constraints. Problems are: Problem set: 0 solved, 136 unsolved
At refinement iteration 6 (OVERLAPS) 137/330 variables, 193/252 constraints. Problems are: Problem set: 0 solved, 136 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 12:54:45] [INFO ] Deduced a trap composed of 17 places in 109 ms of which 16 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 12:54:46] [INFO ] Deduced a trap composed of 10 places in 51 ms of which 4 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 12:54:46] [INFO ] Deduced a trap composed of 12 places in 58 ms of which 5 ms to minimize.
At refinement iteration 7 (INCLUDED_ONLY) 0/330 variables, 3/255 constraints. Problems are: Problem set: 0 solved, 136 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/330 variables, 0/255 constraints. Problems are: Problem set: 0 solved, 136 unsolved
At refinement iteration 9 (OVERLAPS) 0/330 variables, 0/255 constraints. Problems are: Problem set: 0 solved, 136 unsolved
No progress, stopping.
After SMT solving in domain Real declared 330/330 variables, and 255 constraints, problems are : Problem set: 0 solved, 136 unsolved in 13448 ms.
Refiners :[Positive P Invariants (semi-flows): 33/33 constraints, Generalized P Invariants (flows): 25/25 constraints, State Equation: 193/193 constraints, PredecessorRefiner: 136/136 constraints, Known Traps: 4/4 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 136 unsolved
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/192 variables, 12/12 constraints. Problems are: Problem set: 0 solved, 136 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/192 variables, 0/12 constraints. Problems are: Problem set: 0 solved, 136 unsolved
At refinement iteration 2 (OVERLAPS) 1/193 variables, 33/45 constraints. Problems are: Problem set: 0 solved, 136 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/193 variables, 13/58 constraints. Problems are: Problem set: 0 solved, 136 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/193 variables, 4/62 constraints. Problems are: Problem set: 0 solved, 136 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/193 variables, 0/62 constraints. Problems are: Problem set: 0 solved, 136 unsolved
At refinement iteration 6 (OVERLAPS) 137/330 variables, 193/255 constraints. Problems are: Problem set: 0 solved, 136 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/330 variables, 136/391 constraints. Problems are: Problem set: 0 solved, 136 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 330/330 variables, and 391 constraints, problems are : Problem set: 0 solved, 136 unsolved in 30019 ms.
Refiners :[Positive P Invariants (semi-flows): 33/33 constraints, Generalized P Invariants (flows): 25/25 constraints, State Equation: 193/193 constraints, PredecessorRefiner: 136/136 constraints, Known Traps: 4/4 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 43513ms problems are : Problem set: 0 solved, 136 unsolved
Search for dead transitions found 0 dead transitions in 43515ms
Finished structural reductions in SI_LTL mode , in 1 iterations and 44318 ms. Remains : 193/193 places, 137/137 transitions.
Computed a total of 96 stabilizing places and 91 stable transitions
Computed a total of 96 stabilizing places and 91 stable transitions
Knowledge obtained : [p0, (X p0), (X (X p0))]
False Knowledge obtained : []
Knowledge based reduction with 3 factoid took 104 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 :[(NOT p0)]
RANDOM walk for 40000 steps (892 resets) in 196 ms. (203 steps per ms) remains 1/1 properties
BEST_FIRST walk for 40003 steps (252 resets) in 98 ms. (404 steps per ms) remains 1/1 properties
Interrupted probabilistic random walk after 1329770 steps, run timeout after 3001 ms. (steps per millisecond=443 ) properties seen :0 out of 1
Probabilistic random walk after 1329770 steps, saw 187628 distinct states, run finished after 3005 ms. (steps per millisecond=442 ) properties seen :0
[2025-05-31 12:55:27] [INFO ] Invariant cache hit.
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
All remaining problems are real, not stopping.
At refinement iteration 0 (INCLUDED_ONLY) 0/2 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 1 (OVERLAPS) 3/5 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/5 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (OVERLAPS) 74/79 variables, 32/33 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/79 variables, 0/33 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (OVERLAPS) 85/164 variables, 23/56 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/164 variables, 0/56 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (OVERLAPS) 6/170 variables, 2/58 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/170 variables, 0/58 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (OVERLAPS) 136/306 variables, 170/228 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/306 variables, 0/228 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 11 (OVERLAPS) 24/330 variables, 23/251 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 12 (INCLUDED_ONLY) 0/330 variables, 0/251 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 13 (OVERLAPS) 0/330 variables, 0/251 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Real declared 330/330 variables, and 251 constraints, problems are : Problem set: 0 solved, 1 unsolved in 170 ms.
Refiners :[Positive P Invariants (semi-flows): 33/33 constraints, Generalized P Invariants (flows): 25/25 constraints, State Equation: 193/193 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) 3/5 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/5 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (OVERLAPS) 74/79 variables, 32/33 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/79 variables, 0/33 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (OVERLAPS) 85/164 variables, 23/56 constraints. Problems are: Problem set: 0 solved, 1 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 12:55:27] [INFO ] Deduced a trap composed of 12 places in 38 ms of which 5 ms to minimize.
At refinement iteration 6 (INCLUDED_ONLY) 0/164 variables, 1/57 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/164 variables, 0/57 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (OVERLAPS) 6/170 variables, 2/59 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/170 variables, 0/59 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (OVERLAPS) 136/306 variables, 170/229 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/306 variables, 0/229 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 12 (OVERLAPS) 24/330 variables, 23/252 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 13 (INCLUDED_ONLY) 0/330 variables, 1/253 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 14 (INCLUDED_ONLY) 0/330 variables, 0/253 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 15 (OVERLAPS) 0/330 variables, 0/253 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Int declared 330/330 variables, and 253 constraints, problems are : Problem set: 0 solved, 1 unsolved in 505 ms.
Refiners :[Positive P Invariants (semi-flows): 33/33 constraints, Generalized P Invariants (flows): 25/25 constraints, State Equation: 193/193 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 1/1 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 680ms problems are : Problem set: 0 solved, 1 unsolved
Parikh walk visited 0 properties in 225 ms.
Support contains 2 out of 193 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 193/193 places, 137/137 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 2 place count 193 transition count 135
Partial Free-agglomeration rule applied 5 times.
Drop transitions (Partial Free agglomeration) removed 5 transitions
Iterating global reduction 1 with 5 rules applied. Total rules applied 7 place count 193 transition count 135
Applied a total of 7 rules in 22 ms. Remains 193 /193 variables (removed 0) and now considering 135/137 (removed 2) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 23 ms. Remains : 193/193 places, 135/137 transitions.
RANDOM walk for 40000 steps (541 resets) in 191 ms. (208 steps per ms) remains 1/1 properties
BEST_FIRST walk for 40004 steps (289 resets) in 83 ms. (476 steps per ms) remains 1/1 properties
Interrupted probabilistic random walk after 1212844 steps, run timeout after 3001 ms. (steps per millisecond=404 ) properties seen :0 out of 1
Probabilistic random walk after 1212844 steps, saw 169888 distinct states, run finished after 3001 ms. (steps per millisecond=404 ) properties seen :0
// Phase 1: matrix 135 rows 193 cols
[2025-05-31 12:55:31] [INFO ] Computed 60 invariants in 3 ms
[2025-05-31 12:55:31] [INFO ] State equation strengthened by 3 read => feed constraints.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
All remaining problems are real, not stopping.
At refinement iteration 0 (INCLUDED_ONLY) 0/2 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 1 (OVERLAPS) 3/5 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/5 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (OVERLAPS) 83/88 variables, 35/36 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/88 variables, 0/36 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (OVERLAPS) 85/173 variables, 24/60 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/173 variables, 0/60 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (OVERLAPS) 135/308 variables, 173/233 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/308 variables, 3/236 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/308 variables, 0/236 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (OVERLAPS) 20/328 variables, 20/256 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/328 variables, 0/256 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 12 (OVERLAPS) 0/328 variables, 0/256 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Real declared 328/328 variables, and 256 constraints, problems are : Problem set: 0 solved, 1 unsolved in 176 ms.
Refiners :[Positive P Invariants (semi-flows): 36/36 constraints, Generalized P Invariants (flows): 24/24 constraints, State Equation: 193/193 constraints, ReadFeed: 3/3 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 45.0 s and query timeout 4500.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/2 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 1 (OVERLAPS) 3/5 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/5 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (OVERLAPS) 83/88 variables, 35/36 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/88 variables, 0/36 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (OVERLAPS) 85/173 variables, 24/60 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/173 variables, 0/60 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (OVERLAPS) 135/308 variables, 173/233 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/308 variables, 3/236 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/308 variables, 0/236 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (OVERLAPS) 20/328 variables, 20/256 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/328 variables, 1/257 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 12 (INCLUDED_ONLY) 0/328 variables, 0/257 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 13 (OVERLAPS) 0/328 variables, 0/257 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Int declared 328/328 variables, and 257 constraints, problems are : Problem set: 0 solved, 1 unsolved in 502 ms.
Refiners :[Positive P Invariants (semi-flows): 36/36 constraints, Generalized P Invariants (flows): 24/24 constraints, State Equation: 193/193 constraints, ReadFeed: 3/3 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 686ms problems are : Problem set: 0 solved, 1 unsolved
Parikh walk visited 0 properties in 225 ms.
Support contains 2 out of 193 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 193/193 places, 135/135 transitions.
Applied a total of 0 rules in 10 ms. Remains 193 /193 variables (removed 0) and now considering 135/135 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 11 ms. Remains : 193/193 places, 135/135 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 193/193 places, 135/135 transitions.
Applied a total of 0 rules in 10 ms. Remains 193 /193 variables (removed 0) and now considering 135/135 (removed 0) transitions.
[2025-05-31 12:55:32] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-05-31 12:55:32] [INFO ] Implicit Places using invariants in 377 ms returned []
[2025-05-31 12:55:32] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-05-31 12:55:33] [INFO ] State equation strengthened by 3 read => feed constraints.
[2025-05-31 12:55:33] [INFO ] Implicit Places using invariants and state equation in 611 ms returned []
Implicit Place search using SMT with State Equation took 991 ms to find 0 implicit places.
Starting Z3 with timeout 200.0 s and query timeout 20000.0 ms
[2025-05-31 12:55:33] [INFO ] Redundant transitions in 2 ms returned []
Running 134 sub problems to find dead transitions.
[2025-05-31 12:55:33] [INFO ] Invariant cache hit.
[2025-05-31 12:55:33] [INFO ] State equation strengthened by 3 read => feed constraints.
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
All remaining problems are real, not stopping.
At refinement iteration 0 (INCLUDED_ONLY) 0/192 variables, 11/11 constraints. Problems are: Problem set: 0 solved, 134 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/192 variables, 0/11 constraints. Problems are: Problem set: 0 solved, 134 unsolved
At refinement iteration 2 (OVERLAPS) 1/193 variables, 36/47 constraints. Problems are: Problem set: 0 solved, 134 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/193 variables, 13/60 constraints. Problems are: Problem set: 0 solved, 134 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/193 variables, 0/60 constraints. Problems are: Problem set: 0 solved, 134 unsolved
At refinement iteration 5 (OVERLAPS) 135/328 variables, 193/253 constraints. Problems are: Problem set: 0 solved, 134 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/328 variables, 3/256 constraints. Problems are: Problem set: 0 solved, 134 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 12:55:37] [INFO ] Deduced a trap composed of 7 places in 140 ms of which 17 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 12:55:37] [INFO ] Deduced a trap composed of 16 places in 174 ms of which 19 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 12:55:38] [INFO ] Deduced a trap composed of 17 places in 157 ms of which 17 ms to minimize.
At refinement iteration 7 (INCLUDED_ONLY) 0/328 variables, 3/259 constraints. Problems are: Problem set: 0 solved, 134 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 12:55:40] [INFO ] Deduced a trap composed of 12 places in 97 ms of which 12 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 12:55:40] [INFO ] Deduced a trap composed of 8 places in 47 ms of which 3 ms to minimize.
At refinement iteration 8 (INCLUDED_ONLY) 0/328 variables, 2/261 constraints. Problems are: Problem set: 0 solved, 134 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/328 variables, 0/261 constraints. Problems are: Problem set: 0 solved, 134 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 12:55:48] [INFO ] Deduced a trap along path composed of 8 places in 47 ms of which 1 ms to minimize.
At refinement iteration 10 (OVERLAPS) 0/328 variables, 1/262 constraints. Problems are: Problem set: 0 solved, 134 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/328 variables, 0/262 constraints. Problems are: Problem set: 0 solved, 134 unsolved
At refinement iteration 12 (OVERLAPS) 0/328 variables, 0/262 constraints. Problems are: Problem set: 0 solved, 134 unsolved
No progress, stopping.
After SMT solving in domain Real declared 328/328 variables, and 262 constraints, problems are : Problem set: 0 solved, 134 unsolved in 23134 ms.
Refiners :[Positive P Invariants (semi-flows): 36/36 constraints, Generalized P Invariants (flows): 24/24 constraints, State Equation: 193/193 constraints, ReadFeed: 3/3 constraints, PredecessorRefiner: 134/134 constraints, Known Traps: 5/5 constraints, Known Traps Along Path: 1/1 constraints]
Escalating to Integer solving :Problem set: 0 solved, 134 unsolved
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/192 variables, 11/11 constraints. Problems are: Problem set: 0 solved, 134 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/192 variables, 0/11 constraints. Problems are: Problem set: 0 solved, 134 unsolved
At refinement iteration 2 (OVERLAPS) 1/193 variables, 36/47 constraints. Problems are: Problem set: 0 solved, 134 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/193 variables, 13/60 constraints. Problems are: Problem set: 0 solved, 134 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/193 variables, 5/65 constraints. Problems are: Problem set: 0 solved, 134 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 12:55:57] [INFO ] Deduced a trap composed of 6 places in 32 ms of which 3 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 12:55:58] [INFO ] Deduced a trap composed of 9 places in 41 ms of which 3 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 12:55:58] [INFO ] Deduced a trap composed of 11 places in 38 ms of which 3 ms to minimize.
At refinement iteration 5 (INCLUDED_ONLY) 0/193 variables, 3/68 constraints. Problems are: Problem set: 0 solved, 134 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/193 variables, 0/68 constraints. Problems are: Problem set: 0 solved, 134 unsolved
At refinement iteration 7 (OVERLAPS) 135/328 variables, 193/261 constraints. Problems are: Problem set: 0 solved, 134 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/328 variables, 3/264 constraints. Problems are: Problem set: 0 solved, 134 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/328 variables, 134/398 constraints. Problems are: Problem set: 0 solved, 134 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 12:56:11] [INFO ] Deduced a trap composed of 15 places in 69 ms of which 10 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 12:56:11] [INFO ] Deduced a trap composed of 8 places in 108 ms of which 9 ms to minimize.
At refinement iteration 10 (INCLUDED_ONLY) 0/328 variables, 2/400 constraints. Problems are: Problem set: 0 solved, 134 unsolved
SMT process timed out in 53205ms, After SMT, problems are : Problem set: 0 solved, 134 unsolved
Search for dead transitions found 0 dead transitions in 53206ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 54223 ms. Remains : 193/193 places, 135/135 transitions.
Attempting over-approximation, by ignoring read arcs.
Partial Free-agglomeration rule applied 1 times.
Drop transitions (Partial Free agglomeration) removed 1 transitions
Iterating global reduction 0 with 1 rules applied. Total rules applied 1 place count 193 transition count 135
Applied a total of 1 rules in 12 ms. Remains 193 /193 variables (removed 0) and now considering 135/135 (removed 0) transitions.
Running SMT prover for 1 properties.
// Phase 1: matrix 135 rows 193 cols
[2025-05-31 12:56:26] [INFO ] Computed 60 invariants in 2 ms
Starting Z3 with timeout 450.0 s and query timeout 45000.0 ms
[2025-05-31 12:56:26] [INFO ] After 70ms SMT Verify possible using all constraints in real domain returned unsat :0 sat :0 real:1
Starting Z3 with timeout 450.0 s and query timeout 45000.0 ms
[2025-05-31 12:56:26] [INFO ] [Nat]Absence check using 36 positive place invariants in 10 ms returned sat
[2025-05-31 12:56:26] [INFO ] [Nat]Absence check using 36 positive and 24 generalized place invariants in 23 ms returned sat
[2025-05-31 12:56:27] [INFO ] After 230ms SMT Verify possible using state equation in natural domain returned unsat :0 sat :1
TRAPS : Iteration 0
[2025-05-31 12:56:27] [INFO ] After 282ms SMT Verify possible using trap constraints in natural domain returned unsat :0 sat :1
[2025-05-31 12:56:27] [INFO ] After 437ms SMT Verify possible using all constraints in natural domain returned unsat :0 sat :1
Over-approximation ignoring read arcs solved 0 properties in 528 ms.
Knowledge obtained : [p0, (X p0), (X (X p0))]
False Knowledge obtained : []
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 52 ms :[(NOT p0)]
Stuttering acceptance computed with spot in 49 ms :[(NOT p0)]
Stuttering acceptance computed with spot in 48 ms :[(NOT p0)]
Product exploration explored 100000 steps with 2236 reset in 361 ms.
Product exploration explored 100000 steps with 2234 reset in 435 ms.
Built C files in :
/tmp/ltsmin11903361631357140388
[2025-05-31 12:56:28] [INFO ] Computing symmetric may disable matrix : 137 transitions.
[2025-05-31 12:56:28] [INFO ] Computation of Complete disable matrix. took 1 ms. Total solver calls (SAT/UNSAT): 0(0/0)
[2025-05-31 12:56:28] [INFO ] Computing symmetric may enable matrix : 137 transitions.
[2025-05-31 12:56:28] [INFO ] Computation of Complete enable matrix. took 1 ms. Total solver calls (SAT/UNSAT): 0(0/0)
[2025-05-31 12:56:28] [INFO ] Computing Do-Not-Accords matrix : 137 transitions.
[2025-05-31 12:56:28] [INFO ] Computation of Completed DNA matrix. took 2 ms. Total solver calls (SAT/UNSAT): 0(0/0)
[2025-05-31 12:56:28] [INFO ] Built C files in 60ms conformant to PINS (ltsmin variant)in folder :/tmp/ltsmin11903361631357140388
Running compilation step : cd /tmp/ltsmin11903361631357140388;'/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 648 ms.
Running link step : cd /tmp/ltsmin11903361631357140388;'gcc' '-shared' '-o' 'gal.so' 'model.o'
Link finished in 58 ms.
Running LTSmin : cd /tmp/ltsmin11903361631357140388;'/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/stateBased17693068328224200574.hoa' '--buchi-type=spotba'
WARNING : LTS min runner thread was asked to interrupt. Dying gracefully.
Support contains 2 out of 193 places. Attempting structural reductions.
Starting structural reductions in SI_LTL mode, iteration 0 : 193/193 places, 137/137 transitions.
Applied a total of 0 rules in 8 ms. Remains 193 /193 variables (removed 0) and now considering 137/137 (removed 0) transitions.
// Phase 1: matrix 137 rows 193 cols
[2025-05-31 12:56:43] [INFO ] Computed 58 invariants in 2 ms
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-05-31 12:56:43] [INFO ] Implicit Places using invariants in 177 ms returned []
[2025-05-31 12:56:43] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-05-31 12:56:44] [INFO ] Implicit Places using invariants and state equation in 444 ms returned []
Implicit Place search using SMT with State Equation took 626 ms to find 0 implicit places.
Starting Z3 with timeout 200.0 s and query timeout 20000.0 ms
[2025-05-31 12:56:44] [INFO ] Redundant transitions in 1 ms returned []
Running 136 sub problems to find dead transitions.
[2025-05-31 12:56:44] [INFO ] Invariant cache hit.
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
All remaining problems are real, not stopping.
At refinement iteration 0 (INCLUDED_ONLY) 0/192 variables, 12/12 constraints. Problems are: Problem set: 0 solved, 136 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/192 variables, 0/12 constraints. Problems are: Problem set: 0 solved, 136 unsolved
At refinement iteration 2 (OVERLAPS) 1/193 variables, 33/45 constraints. Problems are: Problem set: 0 solved, 136 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/193 variables, 13/58 constraints. Problems are: Problem set: 0 solved, 136 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 12:56:45] [INFO ] Deduced a trap composed of 12 places in 58 ms of which 9 ms to minimize.
At refinement iteration 4 (INCLUDED_ONLY) 0/193 variables, 1/59 constraints. Problems are: Problem set: 0 solved, 136 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/193 variables, 0/59 constraints. Problems are: Problem set: 0 solved, 136 unsolved
At refinement iteration 6 (OVERLAPS) 137/330 variables, 193/252 constraints. Problems are: Problem set: 0 solved, 136 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 12:56:48] [INFO ] Deduced a trap composed of 17 places in 94 ms of which 11 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 12:56:48] [INFO ] Deduced a trap composed of 10 places in 51 ms of which 4 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 12:56:48] [INFO ] Deduced a trap composed of 12 places in 60 ms of which 4 ms to minimize.
At refinement iteration 7 (INCLUDED_ONLY) 0/330 variables, 3/255 constraints. Problems are: Problem set: 0 solved, 136 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/330 variables, 0/255 constraints. Problems are: Problem set: 0 solved, 136 unsolved
At refinement iteration 9 (OVERLAPS) 0/330 variables, 0/255 constraints. Problems are: Problem set: 0 solved, 136 unsolved
No progress, stopping.
After SMT solving in domain Real declared 330/330 variables, and 255 constraints, problems are : Problem set: 0 solved, 136 unsolved in 11368 ms.
Refiners :[Positive P Invariants (semi-flows): 33/33 constraints, Generalized P Invariants (flows): 25/25 constraints, State Equation: 193/193 constraints, PredecessorRefiner: 136/136 constraints, Known Traps: 4/4 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 136 unsolved
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/192 variables, 12/12 constraints. Problems are: Problem set: 0 solved, 136 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/192 variables, 0/12 constraints. Problems are: Problem set: 0 solved, 136 unsolved
At refinement iteration 2 (OVERLAPS) 1/193 variables, 33/45 constraints. Problems are: Problem set: 0 solved, 136 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/193 variables, 13/58 constraints. Problems are: Problem set: 0 solved, 136 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/193 variables, 4/62 constraints. Problems are: Problem set: 0 solved, 136 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/193 variables, 0/62 constraints. Problems are: Problem set: 0 solved, 136 unsolved
At refinement iteration 6 (OVERLAPS) 137/330 variables, 193/255 constraints. Problems are: Problem set: 0 solved, 136 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/330 variables, 136/391 constraints. Problems are: Problem set: 0 solved, 136 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 330/330 variables, and 391 constraints, problems are : Problem set: 0 solved, 136 unsolved in 30015 ms.
Refiners :[Positive P Invariants (semi-flows): 33/33 constraints, Generalized P Invariants (flows): 25/25 constraints, State Equation: 193/193 constraints, PredecessorRefiner: 136/136 constraints, Known Traps: 4/4 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 41420ms problems are : Problem set: 0 solved, 136 unsolved
Search for dead transitions found 0 dead transitions in 41421ms
Finished structural reductions in SI_LTL mode , in 1 iterations and 42066 ms. Remains : 193/193 places, 137/137 transitions.
Built C files in :
/tmp/ltsmin4021940961853727018
[2025-05-31 12:57:25] [INFO ] Computing symmetric may disable matrix : 137 transitions.
[2025-05-31 12:57:25] [INFO ] Computation of Complete disable matrix. took 2 ms. Total solver calls (SAT/UNSAT): 0(0/0)
[2025-05-31 12:57:25] [INFO ] Computing symmetric may enable matrix : 137 transitions.
[2025-05-31 12:57:25] [INFO ] Computation of Complete enable matrix. took 1 ms. Total solver calls (SAT/UNSAT): 0(0/0)
[2025-05-31 12:57:25] [INFO ] Computing Do-Not-Accords matrix : 137 transitions.
[2025-05-31 12:57:25] [INFO ] Computation of Completed DNA matrix. took 3 ms. Total solver calls (SAT/UNSAT): 0(0/0)
[2025-05-31 12:57:25] [INFO ] Built C files in 26ms conformant to PINS (ltsmin variant)in folder :/tmp/ltsmin4021940961853727018
Running compilation step : cd /tmp/ltsmin4021940961853727018;'/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 709 ms.
Running link step : cd /tmp/ltsmin4021940961853727018;'gcc' '-shared' '-o' 'gal.so' 'model.o'
Link finished in 49 ms.
Running LTSmin : cd /tmp/ltsmin4021940961853727018;'/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/stateBased5155433228817382094.hoa' '--buchi-type=spotba'
WARNING : LTS min runner thread was asked to interrupt. Dying gracefully.
[2025-05-31 12:57:40] [INFO ] Flatten gal took : 18 ms
[2025-05-31 12:57:40] [INFO ] Flatten gal took : 17 ms
[2025-05-31 12:57:40] [INFO ] Time to serialize gal into /tmp/LTL8866032308329485654.gal : 6 ms
[2025-05-31 12:57:40] [INFO ] Time to serialize properties into /tmp/LTL17808694119972004288.prop : 1 ms
Invoking ITS tools like this :cd /home/mcc/execution;'/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202505121319/bin/its-ltl-linux64' '--gc-threshold' '2000000' '-i' '/tmp/LTL8866032308329485654.gal' '-t' 'CGAL' '-hoa' '/tmp/aut2950860341292159649.hoa' '-atoms' '/tmp/LTL17808694119972004288.prop' '-c' '-stutter-deadlock' '--gen-order' 'FOLLOW'
its-ltl command run as :
/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202505121319/bin/its-ltl-linux64 --gc-threshold 2000000 -i /tmp/L...318
Loading property file /tmp/LTL17808694119972004288.prop.
Loaded 1 atomic propositions.
Checking formula 0 provided in automaton : /tmp/aut2950860341292159649.hoa
Detected timeout of ITS tools.
[2025-05-31 12:57:56] [INFO ] Flatten gal took : 17 ms
[2025-05-31 12:57:56] [INFO ] Flatten gal took : 15 ms
[2025-05-31 12:57:56] [INFO ] Time to serialize gal into /tmp/LTL5989790844031883005.gal : 3 ms
[2025-05-31 12:57:56] [INFO ] Time to serialize properties into /tmp/LTL3784435382562309548.ltl : 8 ms
Invoking ITS tools like this :cd /home/mcc/execution;'/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202505121319/bin/its-ltl-linux64' '--gc-threshold' '2000000' '-i' '/tmp/LTL5989790844031883005.gal' '-t' 'CGAL' '-LTL' '/tmp/LTL3784435382562309548.ltl' '-c' '-stutter-deadlock' '--gen-order' 'FOLLOW'
its-ltl command run as :
/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202505121319/bin/its-ltl-linux64 --gc-threshold 2000000 -i /tmp/L...275
Read 1 LTL properties
Checking formula 0 : !((F(G("((p72==0)||(p85==0))"))))
Formula 0 simplified : GF!"((p72==0)||(p85==0))"
Detected timeout of ITS tools.
[2025-05-31 12:58:11] [INFO ] Flatten gal took : 14 ms
[2025-05-31 12:58:11] [INFO ] Applying decomposition
[2025-05-31 12:58:11] [INFO ] Flatten gal took : 14 ms
Converted graph to binary with : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.louvain.binaries_1.0.0.202505121319/bin/convert-linux64' '-i' '/tmp/graph9153227694043518266.txt' '-o' '/tmp/graph9153227694043518266.bin' '-w' '/tmp/graph9153227694043518266.weights'
Built communities with : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.louvain.binaries_1.0.0.202505121319/bin/louvain-linux64' '/tmp/graph9153227694043518266.bin' '-l' '-1' '-v' '-w' '/tmp/graph9153227694043518266.weights' '-q' '0' '-e' '0.001'
[2025-05-31 12:58:11] [INFO ] Decomposing Gal with order
[2025-05-31 12:58:11] [INFO ] Rewriting arrays to variables to allow decomposition.
[2025-05-31 12:58:11] [INFO ] Removed a total of 31 redundant transitions.
[2025-05-31 12:58:11] [INFO ] Flatten gal took : 84 ms
[2025-05-31 12:58:11] [INFO ] Fuse similar labels procedure discarded/fused a total of 17 labels/synchronizations in 11 ms.
[2025-05-31 12:58:11] [INFO ] Time to serialize gal into /tmp/LTL14908499480854114420.gal : 9 ms
[2025-05-31 12:58:11] [INFO ] Time to serialize properties into /tmp/LTL12573045098282042751.ltl : 1 ms
Invoking ITS tools like this :cd /home/mcc/execution;'/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202505121319/bin/its-ltl-linux64' '--gc-threshold' '2000000' '-i' '/tmp/LTL14908499480854114420.gal' '-t' 'CGAL' '-LTL' '/tmp/LTL12573045098282042751.ltl' '-c' '-stutter-deadlock'
its-ltl command run as :
/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202505121319/bin/its-ltl-linux64 --gc-threshold 2000000 -i /tmp/L...256
Read 1 LTL properties
Checking formula 0 : !((F(G("((i0.u2.p72==0)||(i0.u2.p85==0))"))))
Formula 0 simplified : GF!"((i0.u2.p72==0)||(i0.u2.p85==0))"
Reverse transition relation is NOT exact ! Due to transitions t1, t97, t98, t130, u13.t90, u49.t5, u49.t31, i0.u2.t8, i0.u2.t51, i0.u2.t55, i0.u2.t56, i0.u...517
Detected timeout of ITS tools.
Treatment of property DES-PT-20a-LTLFireability-04 finished in 329320 ms.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202505121319/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!(X(X(G((p0||X(X((X(p2)&&p1))))))))'
Support contains 5 out of 193 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 193/193 places, 137/137 transitions.
Applied a total of 0 rules in 2 ms. Remains 193 /193 variables (removed 0) and now considering 137/137 (removed 0) transitions.
[2025-05-31 12:58:26] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-05-31 12:58:26] [INFO ] Implicit Places using invariants in 235 ms returned []
[2025-05-31 12:58:26] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-05-31 12:58:27] [INFO ] Implicit Places using invariants and state equation in 436 ms returned []
Implicit Place search using SMT with State Equation took 682 ms to find 0 implicit places.
Running 136 sub problems to find dead transitions.
[2025-05-31 12:58:27] [INFO ] Invariant cache hit.
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
All remaining problems are real, not stopping.
At refinement iteration 0 (INCLUDED_ONLY) 0/192 variables, 12/12 constraints. Problems are: Problem set: 0 solved, 136 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/192 variables, 0/12 constraints. Problems are: Problem set: 0 solved, 136 unsolved
At refinement iteration 2 (OVERLAPS) 1/193 variables, 33/45 constraints. Problems are: Problem set: 0 solved, 136 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/193 variables, 13/58 constraints. Problems are: Problem set: 0 solved, 136 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 12:58:28] [INFO ] Deduced a trap composed of 12 places in 77 ms of which 18 ms to minimize.
At refinement iteration 4 (INCLUDED_ONLY) 0/193 variables, 1/59 constraints. Problems are: Problem set: 0 solved, 136 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/193 variables, 0/59 constraints. Problems are: Problem set: 0 solved, 136 unsolved
At refinement iteration 6 (OVERLAPS) 137/330 variables, 193/252 constraints. Problems are: Problem set: 0 solved, 136 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 12:58:32] [INFO ] Deduced a trap composed of 17 places in 111 ms of which 17 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 12:58:32] [INFO ] Deduced a trap composed of 10 places in 61 ms of which 5 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 12:58:32] [INFO ] Deduced a trap composed of 12 places in 62 ms of which 5 ms to minimize.
At refinement iteration 7 (INCLUDED_ONLY) 0/330 variables, 3/255 constraints. Problems are: Problem set: 0 solved, 136 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/330 variables, 0/255 constraints. Problems are: Problem set: 0 solved, 136 unsolved
At refinement iteration 9 (OVERLAPS) 0/330 variables, 0/255 constraints. Problems are: Problem set: 0 solved, 136 unsolved
No progress, stopping.
After SMT solving in domain Real declared 330/330 variables, and 255 constraints, problems are : Problem set: 0 solved, 136 unsolved in 13218 ms.
Refiners :[Positive P Invariants (semi-flows): 33/33 constraints, Generalized P Invariants (flows): 25/25 constraints, State Equation: 193/193 constraints, PredecessorRefiner: 136/136 constraints, Known Traps: 4/4 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 136 unsolved
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/192 variables, 12/12 constraints. Problems are: Problem set: 0 solved, 136 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/192 variables, 0/12 constraints. Problems are: Problem set: 0 solved, 136 unsolved
At refinement iteration 2 (OVERLAPS) 1/193 variables, 33/45 constraints. Problems are: Problem set: 0 solved, 136 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/193 variables, 13/58 constraints. Problems are: Problem set: 0 solved, 136 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/193 variables, 4/62 constraints. Problems are: Problem set: 0 solved, 136 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/193 variables, 0/62 constraints. Problems are: Problem set: 0 solved, 136 unsolved
At refinement iteration 6 (OVERLAPS) 137/330 variables, 193/255 constraints. Problems are: Problem set: 0 solved, 136 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/330 variables, 136/391 constraints. Problems are: Problem set: 0 solved, 136 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 330/330 variables, and 391 constraints, problems are : Problem set: 0 solved, 136 unsolved in 30012 ms.
Refiners :[Positive P Invariants (semi-flows): 33/33 constraints, Generalized P Invariants (flows): 25/25 constraints, State Equation: 193/193 constraints, PredecessorRefiner: 136/136 constraints, Known Traps: 4/4 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 43282ms problems are : Problem set: 0 solved, 136 unsolved
Search for dead transitions found 0 dead transitions in 43288ms
Finished structural reductions in LTL mode , in 1 iterations and 43974 ms. Remains : 193/193 places, 137/137 transitions.
Stuttering acceptance computed with spot in 261 ms :[(OR (AND (NOT p0) (NOT p1)) (AND (NOT p0) (NOT p2))), (OR (AND (NOT p0) (NOT p1)) (AND (NOT p0) (NOT p2))), (OR (AND (NOT p0) (NOT p1)) (AND (NOT p0) (NOT p2))), (OR (NOT p1) (NOT p2)), (OR (NOT p1) (NOT p2)), true, (NOT p2)]
Running random walk in product with property : DES-PT-20a-LTLFireability-05
Entered a terminal (fully accepting) state of product in 4 steps with 0 reset in 0 ms.
FORMULA DES-PT-20a-LTLFireability-05 FALSE TECHNIQUES STUTTER_TEST
Treatment of property DES-PT-20a-LTLFireability-05 finished in 44259 ms.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202505121319/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!(G(F(p0)))'
Support contains 2 out of 193 places. Attempting structural reductions.
Starting structural reductions in SI_LTL mode, iteration 0 : 193/193 places, 137/137 transitions.
Applied a total of 0 rules in 8 ms. Remains 193 /193 variables (removed 0) and now considering 137/137 (removed 0) transitions.
[2025-05-31 12:59:10] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-05-31 12:59:10] [INFO ] Implicit Places using invariants in 223 ms returned []
[2025-05-31 12:59:10] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-05-31 12:59:11] [INFO ] Implicit Places using invariants and state equation in 582 ms returned []
Implicit Place search using SMT with State Equation took 808 ms to find 0 implicit places.
Starting Z3 with timeout 200.0 s and query timeout 20000.0 ms
[2025-05-31 12:59:11] [INFO ] Redundant transitions in 1 ms returned []
Running 136 sub problems to find dead transitions.
[2025-05-31 12:59:11] [INFO ] Invariant cache hit.
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
All remaining problems are real, not stopping.
At refinement iteration 0 (INCLUDED_ONLY) 0/192 variables, 12/12 constraints. Problems are: Problem set: 0 solved, 136 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/192 variables, 0/12 constraints. Problems are: Problem set: 0 solved, 136 unsolved
At refinement iteration 2 (OVERLAPS) 1/193 variables, 33/45 constraints. Problems are: Problem set: 0 solved, 136 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/193 variables, 13/58 constraints. Problems are: Problem set: 0 solved, 136 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 12:59:13] [INFO ] Deduced a trap composed of 12 places in 59 ms of which 9 ms to minimize.
At refinement iteration 4 (INCLUDED_ONLY) 0/193 variables, 1/59 constraints. Problems are: Problem set: 0 solved, 136 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/193 variables, 0/59 constraints. Problems are: Problem set: 0 solved, 136 unsolved
At refinement iteration 6 (OVERLAPS) 137/330 variables, 193/252 constraints. Problems are: Problem set: 0 solved, 136 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 12:59:16] [INFO ] Deduced a trap composed of 17 places in 101 ms of which 16 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 12:59:16] [INFO ] Deduced a trap composed of 10 places in 54 ms of which 5 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 12:59:17] [INFO ] Deduced a trap composed of 12 places in 55 ms of which 5 ms to minimize.
At refinement iteration 7 (INCLUDED_ONLY) 0/330 variables, 3/255 constraints. Problems are: Problem set: 0 solved, 136 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/330 variables, 0/255 constraints. Problems are: Problem set: 0 solved, 136 unsolved
At refinement iteration 9 (OVERLAPS) 0/330 variables, 0/255 constraints. Problems are: Problem set: 0 solved, 136 unsolved
No progress, stopping.
After SMT solving in domain Real declared 330/330 variables, and 255 constraints, problems are : Problem set: 0 solved, 136 unsolved in 13405 ms.
Refiners :[Positive P Invariants (semi-flows): 33/33 constraints, Generalized P Invariants (flows): 25/25 constraints, State Equation: 193/193 constraints, PredecessorRefiner: 136/136 constraints, Known Traps: 4/4 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 136 unsolved
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/192 variables, 12/12 constraints. Problems are: Problem set: 0 solved, 136 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/192 variables, 0/12 constraints. Problems are: Problem set: 0 solved, 136 unsolved
At refinement iteration 2 (OVERLAPS) 1/193 variables, 33/45 constraints. Problems are: Problem set: 0 solved, 136 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/193 variables, 13/58 constraints. Problems are: Problem set: 0 solved, 136 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/193 variables, 4/62 constraints. Problems are: Problem set: 0 solved, 136 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/193 variables, 0/62 constraints. Problems are: Problem set: 0 solved, 136 unsolved
At refinement iteration 6 (OVERLAPS) 137/330 variables, 193/255 constraints. Problems are: Problem set: 0 solved, 136 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/330 variables, 136/391 constraints. Problems are: Problem set: 0 solved, 136 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 330/330 variables, and 391 constraints, problems are : Problem set: 0 solved, 136 unsolved in 30013 ms.
Refiners :[Positive P Invariants (semi-flows): 33/33 constraints, Generalized P Invariants (flows): 25/25 constraints, State Equation: 193/193 constraints, PredecessorRefiner: 136/136 constraints, Known Traps: 4/4 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 43460ms problems are : Problem set: 0 solved, 136 unsolved
Search for dead transitions found 0 dead transitions in 43461ms
Finished structural reductions in SI_LTL mode , in 1 iterations and 44286 ms. Remains : 193/193 places, 137/137 transitions.
Stuttering acceptance computed with spot in 95 ms :[(NOT p0), (NOT p0)]
Running random walk in product with property : DES-PT-20a-LTLFireability-06
Stuttering criterion allowed to conclude after 332 steps with 44 reset in 3 ms.
FORMULA DES-PT-20a-LTLFireability-06 FALSE TECHNIQUES STUTTER_TEST
Treatment of property DES-PT-20a-LTLFireability-06 finished in 44397 ms.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202505121319/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!((G(F(p0)) U (X(p1)&&F(p2))))'
Support contains 8 out of 193 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 193/193 places, 137/137 transitions.
Applied a total of 0 rules in 3 ms. Remains 193 /193 variables (removed 0) and now considering 137/137 (removed 0) transitions.
[2025-05-31 12:59:55] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-05-31 12:59:55] [INFO ] Implicit Places using invariants in 314 ms returned []
[2025-05-31 12:59:55] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-05-31 12:59:56] [INFO ] Implicit Places using invariants and state equation in 554 ms returned []
Implicit Place search using SMT with State Equation took 877 ms to find 0 implicit places.
Running 136 sub problems to find dead transitions.
[2025-05-31 12:59:56] [INFO ] Invariant cache hit.
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
All remaining problems are real, not stopping.
At refinement iteration 0 (INCLUDED_ONLY) 0/192 variables, 12/12 constraints. Problems are: Problem set: 0 solved, 136 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/192 variables, 0/12 constraints. Problems are: Problem set: 0 solved, 136 unsolved
At refinement iteration 2 (OVERLAPS) 1/193 variables, 33/45 constraints. Problems are: Problem set: 0 solved, 136 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/193 variables, 13/58 constraints. Problems are: Problem set: 0 solved, 136 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 12:59:57] [INFO ] Deduced a trap composed of 12 places in 62 ms of which 9 ms to minimize.
At refinement iteration 4 (INCLUDED_ONLY) 0/193 variables, 1/59 constraints. Problems are: Problem set: 0 solved, 136 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/193 variables, 0/59 constraints. Problems are: Problem set: 0 solved, 136 unsolved
At refinement iteration 6 (OVERLAPS) 137/330 variables, 193/252 constraints. Problems are: Problem set: 0 solved, 136 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 13:00:00] [INFO ] Deduced a trap composed of 17 places in 109 ms of which 16 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 13:00:01] [INFO ] Deduced a trap composed of 10 places in 55 ms of which 5 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 13:00:01] [INFO ] Deduced a trap composed of 12 places in 55 ms of which 5 ms to minimize.
At refinement iteration 7 (INCLUDED_ONLY) 0/330 variables, 3/255 constraints. Problems are: Problem set: 0 solved, 136 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/330 variables, 0/255 constraints. Problems are: Problem set: 0 solved, 136 unsolved
At refinement iteration 9 (OVERLAPS) 0/330 variables, 0/255 constraints. Problems are: Problem set: 0 solved, 136 unsolved
No progress, stopping.
After SMT solving in domain Real declared 330/330 variables, and 255 constraints, problems are : Problem set: 0 solved, 136 unsolved in 13226 ms.
Refiners :[Positive P Invariants (semi-flows): 33/33 constraints, Generalized P Invariants (flows): 25/25 constraints, State Equation: 193/193 constraints, PredecessorRefiner: 136/136 constraints, Known Traps: 4/4 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 136 unsolved
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/192 variables, 12/12 constraints. Problems are: Problem set: 0 solved, 136 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/192 variables, 0/12 constraints. Problems are: Problem set: 0 solved, 136 unsolved
At refinement iteration 2 (OVERLAPS) 1/193 variables, 33/45 constraints. Problems are: Problem set: 0 solved, 136 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/193 variables, 13/58 constraints. Problems are: Problem set: 0 solved, 136 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/193 variables, 4/62 constraints. Problems are: Problem set: 0 solved, 136 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/193 variables, 0/62 constraints. Problems are: Problem set: 0 solved, 136 unsolved
At refinement iteration 6 (OVERLAPS) 137/330 variables, 193/255 constraints. Problems are: Problem set: 0 solved, 136 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/330 variables, 136/391 constraints. Problems are: Problem set: 0 solved, 136 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 330/330 variables, and 391 constraints, problems are : Problem set: 0 solved, 136 unsolved in 30011 ms.
Refiners :[Positive P Invariants (semi-flows): 33/33 constraints, Generalized P Invariants (flows): 25/25 constraints, State Equation: 193/193 constraints, PredecessorRefiner: 136/136 constraints, Known Traps: 4/4 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 43279ms problems are : Problem set: 0 solved, 136 unsolved
Search for dead transitions found 0 dead transitions in 43279ms
Finished structural reductions in LTL mode , in 1 iterations and 44160 ms. Remains : 193/193 places, 137/137 transitions.
Stuttering acceptance computed with spot in 281 ms :[(OR (NOT p2) (NOT p1)), (NOT p1), (NOT p2), (NOT p0), (NOT p0)]
Running random walk in product with property : DES-PT-20a-LTLFireability-07
Stuttering criterion allowed to conclude after 60 steps with 0 reset in 0 ms.
FORMULA DES-PT-20a-LTLFireability-07 FALSE TECHNIQUES STUTTER_TEST
Treatment of property DES-PT-20a-LTLFireability-07 finished in 44473 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 (X(p2)&&p1)) U (!p2||X(X(G(p3)))))))'
Support contains 6 out of 193 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 193/193 places, 137/137 transitions.
Applied a total of 0 rules in 3 ms. Remains 193 /193 variables (removed 0) and now considering 137/137 (removed 0) transitions.
[2025-05-31 13:00:39] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-05-31 13:00:39] [INFO ] Implicit Places using invariants in 304 ms returned []
[2025-05-31 13:00:39] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-05-31 13:00:40] [INFO ] Implicit Places using invariants and state equation in 492 ms returned []
Implicit Place search using SMT with State Equation took 814 ms to find 0 implicit places.
Running 136 sub problems to find dead transitions.
[2025-05-31 13:00:40] [INFO ] Invariant cache hit.
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
All remaining problems are real, not stopping.
At refinement iteration 0 (INCLUDED_ONLY) 0/192 variables, 12/12 constraints. Problems are: Problem set: 0 solved, 136 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/192 variables, 0/12 constraints. Problems are: Problem set: 0 solved, 136 unsolved
At refinement iteration 2 (OVERLAPS) 1/193 variables, 33/45 constraints. Problems are: Problem set: 0 solved, 136 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/193 variables, 13/58 constraints. Problems are: Problem set: 0 solved, 136 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 13:00:41] [INFO ] Deduced a trap composed of 12 places in 58 ms of which 9 ms to minimize.
At refinement iteration 4 (INCLUDED_ONLY) 0/193 variables, 1/59 constraints. Problems are: Problem set: 0 solved, 136 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/193 variables, 0/59 constraints. Problems are: Problem set: 0 solved, 136 unsolved
At refinement iteration 6 (OVERLAPS) 137/330 variables, 193/252 constraints. Problems are: Problem set: 0 solved, 136 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 13:00:44] [INFO ] Deduced a trap composed of 17 places in 104 ms of which 17 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 13:00:45] [INFO ] Deduced a trap composed of 10 places in 56 ms of which 4 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 13:00:45] [INFO ] Deduced a trap composed of 12 places in 56 ms of which 4 ms to minimize.
At refinement iteration 7 (INCLUDED_ONLY) 0/330 variables, 3/255 constraints. Problems are: Problem set: 0 solved, 136 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/330 variables, 0/255 constraints. Problems are: Problem set: 0 solved, 136 unsolved
At refinement iteration 9 (OVERLAPS) 0/330 variables, 0/255 constraints. Problems are: Problem set: 0 solved, 136 unsolved
No progress, stopping.
After SMT solving in domain Real declared 330/330 variables, and 255 constraints, problems are : Problem set: 0 solved, 136 unsolved in 12534 ms.
Refiners :[Positive P Invariants (semi-flows): 33/33 constraints, Generalized P Invariants (flows): 25/25 constraints, State Equation: 193/193 constraints, PredecessorRefiner: 136/136 constraints, Known Traps: 4/4 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 136 unsolved
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/192 variables, 12/12 constraints. Problems are: Problem set: 0 solved, 136 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/192 variables, 0/12 constraints. Problems are: Problem set: 0 solved, 136 unsolved
At refinement iteration 2 (OVERLAPS) 1/193 variables, 33/45 constraints. Problems are: Problem set: 0 solved, 136 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/193 variables, 13/58 constraints. Problems are: Problem set: 0 solved, 136 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/193 variables, 4/62 constraints. Problems are: Problem set: 0 solved, 136 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/193 variables, 0/62 constraints. Problems are: Problem set: 0 solved, 136 unsolved
At refinement iteration 6 (OVERLAPS) 137/330 variables, 193/255 constraints. Problems are: Problem set: 0 solved, 136 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/330 variables, 136/391 constraints. Problems are: Problem set: 0 solved, 136 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 330/330 variables, and 391 constraints, problems are : Problem set: 0 solved, 136 unsolved in 30010 ms.
Refiners :[Positive P Invariants (semi-flows): 33/33 constraints, Generalized P Invariants (flows): 25/25 constraints, State Equation: 193/193 constraints, PredecessorRefiner: 136/136 constraints, Known Traps: 4/4 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 42579ms problems are : Problem set: 0 solved, 136 unsolved
Search for dead transitions found 0 dead transitions in 42579ms
Finished structural reductions in LTL mode , in 1 iterations and 43397 ms. Remains : 193/193 places, 137/137 transitions.
Stuttering acceptance computed with spot in 596 ms :[(AND p2 (NOT p3)), (NOT p3), (OR (AND (NOT p1) (NOT p3)) (AND (NOT p2) (NOT p3))), (AND (NOT p2) (NOT p3)), (AND (NOT p2) (NOT p3)), (NOT p3), true, (OR (AND (NOT p1) (NOT p3)) (AND (NOT p2) (NOT p3))), (AND (NOT p3) (NOT p2)), (AND (NOT p2) (NOT p3)), (AND p2 (NOT p3)), (NOT p2), (OR (NOT p1) (NOT p2)), (NOT p2)]
Running random walk in product with property : DES-PT-20a-LTLFireability-08
Product exploration explored 100000 steps with 2235 reset in 540 ms.
Product exploration explored 100000 steps with 2269 reset in 551 ms.
Computed a total of 96 stabilizing places and 91 stable transitions
Computed a total of 96 stabilizing places and 91 stable transitions
Detected a total of 96/193 stabilizing places and 91/137 transitions leading to convergence knowledge of the form 'F(Gp|G!p)' for 3/4 atomic propositions.
Knowledge obtained : [(AND (NOT p2) (NOT p1) (NOT p0) (NOT p3)), (X (NOT p2)), (X (NOT (AND (NOT p2) (NOT p1) p0))), (X (NOT p3)), (X (NOT (AND p2 p1 p0))), (X (NOT (AND (NOT p2) p1 (NOT p0)))), (X (NOT (OR (AND p2 p1 p3) (AND p2 p0 p3)))), (X (NOT (OR (AND p2 p1) (AND p2 p0)))), (X (NOT (OR (AND p2 p1 (NOT p3)) (AND p2 p0 (NOT p3))))), (X (NOT (AND (NOT p2) p1 p0))), (X (AND (NOT p2) (NOT p1) (NOT p0))), (X (NOT (AND p1 (NOT p0)))), (X (NOT (AND (NOT p1) p0))), (X (NOT (AND p2 (NOT p1) (NOT p0)))), (X (NOT (AND p2 (NOT p1) p0))), (X (OR (NOT p2) p1 p0)), (X (AND (NOT p1) (NOT p0))), (X (NOT (AND p1 p0))), (X (NOT p0)), (X (NOT p1)), (X (NOT (AND p2 p1 (NOT p0)))), (X (X (NOT p2))), (X (X (NOT (AND (NOT p2) (NOT p1) p0)))), (X (X (NOT p3))), (X (X (NOT (AND (NOT p2) (NOT p1) (NOT p0) p3)))), (X (X (NOT (AND p2 p1 p0)))), (X (X (NOT (AND p1 (NOT p0) (NOT p3))))), (X (X (NOT (OR (AND p2 p1) (AND p2 p0))))), (X (X (NOT (OR (AND p2 p1 (NOT p3)) (AND p2 p0 (NOT p3)))))), (X (X (AND (NOT p2) (NOT p1) (NOT p0)))), (X (X (NOT (AND p1 p0 p3)))), (X (X (NOT (AND (NOT p2) p1 p0 (NOT p3))))), (X (X (AND (NOT p2) (NOT p1) (NOT p0) (NOT p3)))), (X (X (NOT (AND (NOT p1) p0)))), (X (X (NOT (AND (NOT p1) p0 p3)))), (X (X (NOT (AND p2 (NOT p1) p0)))), (X (X (OR (NOT p2) p1 p0))), (X (X (NOT (AND (NOT p2) p1 (NOT p0) p3)))), (X (X (AND (NOT p1) (NOT p0)))), (X (X (NOT (AND (NOT p2) (NOT p1) p0 (NOT p3))))), (X (X (NOT (AND p2 p1 (NOT p0))))), (X (X (NOT (AND (NOT p2) p1 (NOT p0))))), (X (X (NOT (AND (NOT p2) p3)))), (X (X (NOT (OR (AND p2 p1 p3) (AND p2 p0 p3))))), (X (X (NOT (AND (NOT p1) (NOT p0) p3)))), (X (X (NOT (AND (NOT p2) p1 p0)))), (X (X (AND (NOT p2) (NOT p3)))), (X (X (AND (NOT p1) (NOT p0) (NOT p3)))), (X (X (NOT (AND (NOT p2) p1 p0 p3)))), (X (X (NOT (AND p1 p0 (NOT p3))))), (X (X (NOT (AND p1 (NOT p0))))), (X (X (NOT (AND p1 (NOT p0) p3)))), (X (X (NOT (AND p2 (NOT p1) (NOT p0))))), (X (X (NOT (AND (NOT p2) (NOT p1) p0 p3)))), (X (X (NOT (AND (NOT p1) p0 (NOT p3))))), (X (X (NOT (AND (NOT p2) p1 (NOT p0) (NOT p3))))), (X (X (NOT (AND p1 p0)))), (X (X (NOT p0))), (X (X (NOT p1))), (F (OR (G p2) (G (NOT p2)))), (F (OR (G p1) (G (NOT p1)))), (F (OR (G p3) (G (NOT p3))))]
False Knowledge obtained : []
Knowledge based reduction with 62 factoid took 340 ms. Reduced automaton from 14 states, 52 edges and 4 AP (stutter sensitive) to 14 states, 52 edges and 4 AP (stutter sensitive).
Stuttering acceptance computed with spot in 564 ms :[(AND p2 (NOT p3)), (NOT p3), (OR (AND (NOT p1) (NOT p3)) (AND (NOT p2) (NOT p3))), (AND (NOT p2) (NOT p3)), (AND (NOT p2) (NOT p3)), (NOT p3), true, (OR (AND (NOT p1) (NOT p3)) (AND (NOT p2) (NOT p3))), (AND (NOT p3) (NOT p2)), (AND (NOT p2) (NOT p3)), (AND p2 (NOT p3)), (NOT p2), (OR (NOT p1) (NOT p2)), (NOT p2)]
Reduction of identical properties reduced properties to check from 38 to 37
RANDOM walk for 40000 steps (883 resets) in 430 ms. (92 steps per ms) remains 28/37 properties
BEST_FIRST walk for 4002 steps (16 resets) in 28 ms. (138 steps per ms) remains 28/28 properties
BEST_FIRST walk for 4001 steps (17 resets) in 24 ms. (160 steps per ms) remains 28/28 properties
BEST_FIRST walk for 4004 steps (19 resets) in 45 ms. (87 steps per ms) remains 28/28 properties
BEST_FIRST walk for 4003 steps (20 resets) in 39 ms. (100 steps per ms) remains 28/28 properties
BEST_FIRST walk for 4003 steps (13 resets) in 24 ms. (160 steps per ms) remains 28/28 properties
BEST_FIRST walk for 4003 steps (19 resets) in 20 ms. (190 steps per ms) remains 28/28 properties
BEST_FIRST walk for 4004 steps (19 resets) in 24 ms. (160 steps per ms) remains 28/28 properties
BEST_FIRST walk for 4003 steps (17 resets) in 31 ms. (125 steps per ms) remains 28/28 properties
BEST_FIRST walk for 4002 steps (14 resets) in 20 ms. (190 steps per ms) remains 28/28 properties
BEST_FIRST walk for 4003 steps (16 resets) in 28 ms. (138 steps per ms) remains 28/28 properties
BEST_FIRST walk for 4004 steps (18 resets) in 21 ms. (182 steps per ms) remains 28/28 properties
BEST_FIRST walk for 4003 steps (20 resets) in 26 ms. (148 steps per ms) remains 28/28 properties
BEST_FIRST walk for 4003 steps (13 resets) in 40 ms. (97 steps per ms) remains 28/28 properties
BEST_FIRST walk for 4003 steps (20 resets) in 28 ms. (138 steps per ms) remains 28/28 properties
BEST_FIRST walk for 4004 steps (17 resets) in 35 ms. (111 steps per ms) remains 28/28 properties
BEST_FIRST walk for 4002 steps (18 resets) in 31 ms. (125 steps per ms) remains 28/28 properties
BEST_FIRST walk for 4004 steps (14 resets) in 35 ms. (111 steps per ms) remains 28/28 properties
BEST_FIRST walk for 4003 steps (15 resets) in 26 ms. (148 steps per ms) remains 28/28 properties
BEST_FIRST walk for 4002 steps (20 resets) in 24 ms. (160 steps per ms) remains 28/28 properties
BEST_FIRST walk for 4002 steps (20 resets) in 25 ms. (153 steps per ms) remains 28/28 properties
BEST_FIRST walk for 4004 steps (15 resets) in 57 ms. (69 steps per ms) remains 28/28 properties
BEST_FIRST walk for 4003 steps (18 resets) in 45 ms. (87 steps per ms) remains 28/28 properties
BEST_FIRST walk for 4002 steps (19 resets) in 57 ms. (69 steps per ms) remains 28/28 properties
BEST_FIRST walk for 4003 steps (18 resets) in 42 ms. (93 steps per ms) remains 28/28 properties
BEST_FIRST walk for 4004 steps (14 resets) in 80 ms. (49 steps per ms) remains 28/28 properties
BEST_FIRST walk for 4003 steps (15 resets) in 64 ms. (61 steps per ms) remains 28/28 properties
BEST_FIRST walk for 4003 steps (16 resets) in 60 ms. (65 steps per ms) remains 28/28 properties
BEST_FIRST walk for 4003 steps (23 resets) in 57 ms. (69 steps per ms) remains 28/28 properties
[2025-05-31 13:01:26] [INFO ] Invariant cache hit.
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/6 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 28 unsolved
At refinement iteration 1 (OVERLAPS) 6/12 variables, 3/3 constraints. Problems are: Problem set: 0 solved, 28 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/12 variables, 0/3 constraints. Problems are: Problem set: 0 solved, 28 unsolved
At refinement iteration 3 (OVERLAPS) 70/82 variables, 30/33 constraints. Problems are: Problem set: 0 solved, 28 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/82 variables, 1/34 constraints. Problems are: Problem set: 0 solved, 28 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/82 variables, 0/34 constraints. Problems are: Problem set: 0 solved, 28 unsolved
At refinement iteration 6 (OVERLAPS) 82/164 variables, 22/56 constraints. Problems are: Problem set: 0 solved, 28 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/164 variables, 0/56 constraints. Problems are: Problem set: 0 solved, 28 unsolved
At refinement iteration 8 (OVERLAPS) 6/170 variables, 2/58 constraints. Problems are: Problem set: 0 solved, 28 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 13:01:27] [INFO ] Deduced a trap composed of 9 places in 80 ms of which 7 ms to minimize.
All remaining problems are real, not stopping.
At refinement iteration 9 (INCLUDED_ONLY) 0/170 variables, 1/59 constraints. Problems are: Problem set: 0 solved, 28 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/170 variables, 0/59 constraints. Problems are: Problem set: 0 solved, 28 unsolved
Problem apf15 is UNSAT
Problem apf18 is UNSAT
Problem apf21 is UNSAT
Problem apf31 is UNSAT
Problem apf32 is UNSAT
Problem apf33 is UNSAT
Problem apf37 is UNSAT
At refinement iteration 11 (OVERLAPS) 136/306 variables, 170/229 constraints. Problems are: Problem set: 7 solved, 21 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 13:01:27] [INFO ] Deduced a trap composed of 17 places in 105 ms of which 12 ms to minimize.
At refinement iteration 12 (INCLUDED_ONLY) 0/306 variables, 1/230 constraints. Problems are: Problem set: 7 solved, 21 unsolved
At refinement iteration 13 (INCLUDED_ONLY) 0/306 variables, 0/230 constraints. Problems are: Problem set: 7 solved, 21 unsolved
At refinement iteration 14 (OVERLAPS) 24/330 variables, 23/253 constraints. Problems are: Problem set: 7 solved, 21 unsolved
At refinement iteration 15 (INCLUDED_ONLY) 0/330 variables, 0/253 constraints. Problems are: Problem set: 7 solved, 21 unsolved
At refinement iteration 16 (OVERLAPS) 0/330 variables, 0/253 constraints. Problems are: Problem set: 7 solved, 21 unsolved
No progress, stopping.
After SMT solving in domain Real declared 330/330 variables, and 253 constraints, problems are : Problem set: 7 solved, 21 unsolved in 3506 ms.
Refiners :[Positive P Invariants (semi-flows): 33/33 constraints, Generalized P Invariants (flows): 25/25 constraints, State Equation: 193/193 constraints, PredecessorRefiner: 28/28 constraints, Known Traps: 2/2 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 7 solved, 21 unsolved
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/6 variables, 0/0 constraints. Problems are: Problem set: 7 solved, 21 unsolved
At refinement iteration 1 (OVERLAPS) 6/12 variables, 3/3 constraints. Problems are: Problem set: 7 solved, 21 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/12 variables, 0/3 constraints. Problems are: Problem set: 7 solved, 21 unsolved
At refinement iteration 3 (OVERLAPS) 70/82 variables, 30/33 constraints. Problems are: Problem set: 7 solved, 21 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/82 variables, 1/34 constraints. Problems are: Problem set: 7 solved, 21 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/82 variables, 0/34 constraints. Problems are: Problem set: 7 solved, 21 unsolved
At refinement iteration 6 (OVERLAPS) 82/164 variables, 22/56 constraints. Problems are: Problem set: 7 solved, 21 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/164 variables, 2/58 constraints. Problems are: Problem set: 7 solved, 21 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/164 variables, 0/58 constraints. Problems are: Problem set: 7 solved, 21 unsolved
At refinement iteration 9 (OVERLAPS) 6/170 variables, 2/60 constraints. Problems are: Problem set: 7 solved, 21 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/170 variables, 0/60 constraints. Problems are: Problem set: 7 solved, 21 unsolved
At refinement iteration 11 (OVERLAPS) 136/306 variables, 170/230 constraints. Problems are: Problem set: 7 solved, 21 unsolved
At refinement iteration 12 (INCLUDED_ONLY) 0/306 variables, 0/230 constraints. Problems are: Problem set: 7 solved, 21 unsolved
At refinement iteration 13 (OVERLAPS) 24/330 variables, 23/253 constraints. Problems are: Problem set: 7 solved, 21 unsolved
At refinement iteration 14 (INCLUDED_ONLY) 0/330 variables, 21/274 constraints. Problems are: Problem set: 7 solved, 21 unsolved
At refinement iteration 15 (INCLUDED_ONLY) 0/330 variables, 0/274 constraints. Problems are: Problem set: 7 solved, 21 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 330/330 variables, and 274 constraints, problems are : Problem set: 7 solved, 21 unsolved in 5008 ms.
Refiners :[Positive P Invariants (semi-flows): 33/33 constraints, Generalized P Invariants (flows): 25/25 constraints, State Equation: 193/193 constraints, PredecessorRefiner: 21/28 constraints, Known Traps: 2/2 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 8529ms problems are : Problem set: 7 solved, 21 unsolved
Skipping Parikh replay, no witness traces provided.
Support contains 6 out of 193 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 193/193 places, 137/137 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 2 place count 193 transition count 135
Partial Free-agglomeration rule applied 6 times.
Drop transitions (Partial Free agglomeration) removed 6 transitions
Iterating global reduction 1 with 6 rules applied. Total rules applied 8 place count 193 transition count 135
Applied a total of 8 rules in 18 ms. Remains 193 /193 variables (removed 0) and now considering 135/137 (removed 2) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 18 ms. Remains : 193/193 places, 135/137 transitions.
RANDOM walk for 40000 steps (531 resets) in 507 ms. (78 steps per ms) remains 21/21 properties
BEST_FIRST walk for 4004 steps (11 resets) in 15 ms. (250 steps per ms) remains 21/21 properties
BEST_FIRST walk for 4003 steps (8 resets) in 15 ms. (250 steps per ms) remains 21/21 properties
BEST_FIRST walk for 4004 steps (8 resets) in 15 ms. (250 steps per ms) remains 21/21 properties
BEST_FIRST walk for 4002 steps (10 resets) in 16 ms. (235 steps per ms) remains 21/21 properties
BEST_FIRST walk for 4003 steps (10 resets) in 13 ms. (285 steps per ms) remains 21/21 properties
BEST_FIRST walk for 4004 steps (11 resets) in 14 ms. (266 steps per ms) remains 21/21 properties
BEST_FIRST walk for 4002 steps (9 resets) in 15 ms. (250 steps per ms) remains 21/21 properties
BEST_FIRST walk for 4004 steps (9 resets) in 14 ms. (266 steps per ms) remains 21/21 properties
BEST_FIRST walk for 4004 steps (9 resets) in 14 ms. (266 steps per ms) remains 21/21 properties
BEST_FIRST walk for 4004 steps (11 resets) in 14 ms. (266 steps per ms) remains 21/21 properties
BEST_FIRST walk for 4004 steps (9 resets) in 13 ms. (286 steps per ms) remains 21/21 properties
BEST_FIRST walk for 4004 steps (9 resets) in 15 ms. (250 steps per ms) remains 21/21 properties
BEST_FIRST walk for 4003 steps (10 resets) in 17 ms. (222 steps per ms) remains 21/21 properties
BEST_FIRST walk for 4002 steps (8 resets) in 14 ms. (266 steps per ms) remains 21/21 properties
BEST_FIRST walk for 4003 steps (10 resets) in 14 ms. (266 steps per ms) remains 21/21 properties
BEST_FIRST walk for 4003 steps (9 resets) in 12 ms. (307 steps per ms) remains 21/21 properties
BEST_FIRST walk for 4003 steps (8 resets) in 14 ms. (266 steps per ms) remains 21/21 properties
BEST_FIRST walk for 4004 steps (9 resets) in 14 ms. (266 steps per ms) remains 21/21 properties
BEST_FIRST walk for 4004 steps (9 resets) in 15 ms. (250 steps per ms) remains 21/21 properties
BEST_FIRST walk for 4004 steps (8 resets) in 35 ms. (111 steps per ms) remains 21/21 properties
BEST_FIRST walk for 4003 steps (8 resets) in 12 ms. (307 steps per ms) remains 21/21 properties
Interrupted probabilistic random walk after 468218 steps, run timeout after 3001 ms. (steps per millisecond=156 ) properties seen :0 out of 21
Probabilistic random walk after 468218 steps, saw 67731 distinct states, run finished after 3001 ms. (steps per millisecond=156 ) properties seen :0
// Phase 1: matrix 135 rows 193 cols
[2025-05-31 13:01:38] [INFO ] Computed 60 invariants in 2 ms
[2025-05-31 13:01:38] [INFO ] State equation strengthened by 3 read => feed constraints.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/6 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 21 unsolved
At refinement iteration 1 (OVERLAPS) 6/12 variables, 3/3 constraints. Problems are: Problem set: 0 solved, 21 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/12 variables, 0/3 constraints. Problems are: Problem set: 0 solved, 21 unsolved
At refinement iteration 3 (OVERLAPS) 76/88 variables, 32/35 constraints. Problems are: Problem set: 0 solved, 21 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/88 variables, 1/36 constraints. Problems are: Problem set: 0 solved, 21 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/88 variables, 0/36 constraints. Problems are: Problem set: 0 solved, 21 unsolved
All remaining problems are real, not stopping.
At refinement iteration 6 (OVERLAPS) 85/173 variables, 24/60 constraints. Problems are: Problem set: 0 solved, 21 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/173 variables, 0/60 constraints. Problems are: Problem set: 0 solved, 21 unsolved
At refinement iteration 8 (OVERLAPS) 135/308 variables, 173/233 constraints. Problems are: Problem set: 0 solved, 21 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/308 variables, 3/236 constraints. Problems are: Problem set: 0 solved, 21 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/308 variables, 0/236 constraints. Problems are: Problem set: 0 solved, 21 unsolved
At refinement iteration 11 (OVERLAPS) 20/328 variables, 20/256 constraints. Problems are: Problem set: 0 solved, 21 unsolved
At refinement iteration 12 (INCLUDED_ONLY) 0/328 variables, 0/256 constraints. Problems are: Problem set: 0 solved, 21 unsolved
At refinement iteration 13 (OVERLAPS) 0/328 variables, 0/256 constraints. Problems are: Problem set: 0 solved, 21 unsolved
No progress, stopping.
After SMT solving in domain Real declared 328/328 variables, and 256 constraints, problems are : Problem set: 0 solved, 21 unsolved in 1862 ms.
Refiners :[Positive P Invariants (semi-flows): 35/35 constraints, Generalized P Invariants (flows): 25/25 constraints, State Equation: 193/193 constraints, ReadFeed: 3/3 constraints, PredecessorRefiner: 21/21 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 21 unsolved
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/6 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 21 unsolved
At refinement iteration 1 (OVERLAPS) 6/12 variables, 3/3 constraints. Problems are: Problem set: 0 solved, 21 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/12 variables, 0/3 constraints. Problems are: Problem set: 0 solved, 21 unsolved
At refinement iteration 3 (OVERLAPS) 76/88 variables, 32/35 constraints. Problems are: Problem set: 0 solved, 21 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/88 variables, 1/36 constraints. Problems are: Problem set: 0 solved, 21 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/88 variables, 0/36 constraints. Problems are: Problem set: 0 solved, 21 unsolved
At refinement iteration 6 (OVERLAPS) 85/173 variables, 24/60 constraints. Problems are: Problem set: 0 solved, 21 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/173 variables, 0/60 constraints. Problems are: Problem set: 0 solved, 21 unsolved
At refinement iteration 8 (OVERLAPS) 135/308 variables, 173/233 constraints. Problems are: Problem set: 0 solved, 21 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/308 variables, 3/236 constraints. Problems are: Problem set: 0 solved, 21 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 13:01:41] [INFO ] Deduced a trap composed of 6 places in 38 ms of which 4 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 13:01:41] [INFO ] Deduced a trap composed of 8 places in 94 ms of which 7 ms to minimize.
At refinement iteration 10 (INCLUDED_ONLY) 0/308 variables, 2/238 constraints. Problems are: Problem set: 0 solved, 21 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 13:01:41] [INFO ] Deduced a trap composed of 16 places in 101 ms of which 16 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 13:01:41] [INFO ] Deduced a trap composed of 8 places in 120 ms of which 15 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 13:01:41] [INFO ] Deduced a trap composed of 18 places in 107 ms of which 9 ms to minimize.
At refinement iteration 11 (INCLUDED_ONLY) 0/308 variables, 3/241 constraints. Problems are: Problem set: 0 solved, 21 unsolved
At refinement iteration 12 (INCLUDED_ONLY) 0/308 variables, 0/241 constraints. Problems are: Problem set: 0 solved, 21 unsolved
At refinement iteration 13 (OVERLAPS) 20/328 variables, 20/261 constraints. Problems are: Problem set: 0 solved, 21 unsolved
At refinement iteration 14 (INCLUDED_ONLY) 0/328 variables, 21/282 constraints. Problems are: Problem set: 0 solved, 21 unsolved
At refinement iteration 15 (INCLUDED_ONLY) 0/328 variables, 0/282 constraints. Problems are: Problem set: 0 solved, 21 unsolved
At refinement iteration 16 (OVERLAPS) 0/328 variables, 0/282 constraints. Problems are: Problem set: 0 solved, 21 unsolved
No progress, stopping.
After SMT solving in domain Int declared 328/328 variables, and 282 constraints, problems are : Problem set: 0 solved, 21 unsolved in 10079 ms.
Refiners :[Positive P Invariants (semi-flows): 35/35 constraints, Generalized P Invariants (flows): 25/25 constraints, State Equation: 193/193 constraints, ReadFeed: 3/3 constraints, PredecessorRefiner: 21/21 constraints, Known Traps: 5/5 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 11960ms problems are : Problem set: 0 solved, 21 unsolved
Fused 21 Parikh solutions to 6 different solutions.
Finished Parikh walk after 14417 steps, including 44 resets, run visited all 3 properties in 195 ms. (steps per millisecond=73 )
Finished Parikh walk after 0 steps, including 0 resets, run visited all 0 properties in 1 ms. (steps per millisecond=0 )
Parikh walk visited 21 properties in 3073 ms.
Found 7 invariant AP formulas.
Knowledge obtained : [(AND (NOT p2) (NOT p1) (NOT p0) (NOT p3)), (X (NOT p2)), (X (NOT (AND (NOT p2) (NOT p1) p0))), (X (NOT p3)), (X (NOT (AND p2 p1 p0))), (X (NOT (AND (NOT p2) p1 (NOT p0)))), (X (NOT (OR (AND p2 p1 p3) (AND p2 p0 p3)))), (X (NOT (OR (AND p2 p1) (AND p2 p0)))), (X (NOT (OR (AND p2 p1 (NOT p3)) (AND p2 p0 (NOT p3))))), (X (NOT (AND (NOT p2) p1 p0))), (X (AND (NOT p2) (NOT p1) (NOT p0))), (X (NOT (AND p1 (NOT p0)))), (X (NOT (AND (NOT p1) p0))), (X (NOT (AND p2 (NOT p1) (NOT p0)))), (X (NOT (AND p2 (NOT p1) p0))), (X (OR (NOT p2) p1 p0)), (X (AND (NOT p1) (NOT p0))), (X (NOT (AND p1 p0))), (X (NOT p0)), (X (NOT p1)), (X (NOT (AND p2 p1 (NOT p0)))), (X (X (NOT p2))), (X (X (NOT (AND (NOT p2) (NOT p1) p0)))), (X (X (NOT p3))), (X (X (NOT (AND (NOT p2) (NOT p1) (NOT p0) p3)))), (X (X (NOT (AND p2 p1 p0)))), (X (X (NOT (AND p1 (NOT p0) (NOT p3))))), (X (X (NOT (OR (AND p2 p1) (AND p2 p0))))), (X (X (NOT (OR (AND p2 p1 (NOT p3)) (AND p2 p0 (NOT p3)))))), (X (X (AND (NOT p2) (NOT p1) (NOT p0)))), (X (X (NOT (AND p1 p0 p3)))), (X (X (NOT (AND (NOT p2) p1 p0 (NOT p3))))), (X (X (AND (NOT p2) (NOT p1) (NOT p0) (NOT p3)))), (X (X (NOT (AND (NOT p1) p0)))), (X (X (NOT (AND (NOT p1) p0 p3)))), (X (X (NOT (AND p2 (NOT p1) p0)))), (X (X (OR (NOT p2) p1 p0))), (X (X (NOT (AND (NOT p2) p1 (NOT p0) p3)))), (X (X (AND (NOT p1) (NOT p0)))), (X (X (NOT (AND (NOT p2) (NOT p1) p0 (NOT p3))))), (X (X (NOT (AND p2 p1 (NOT p0))))), (X (X (NOT (AND (NOT p2) p1 (NOT p0))))), (X (X (NOT (AND (NOT p2) p3)))), (X (X (NOT (OR (AND p2 p1 p3) (AND p2 p0 p3))))), (X (X (NOT (AND (NOT p1) (NOT p0) p3)))), (X (X (NOT (AND (NOT p2) p1 p0)))), (X (X (AND (NOT p2) (NOT p3)))), (X (X (AND (NOT p1) (NOT p0) (NOT p3)))), (X (X (NOT (AND (NOT p2) p1 p0 p3)))), (X (X (NOT (AND p1 p0 (NOT p3))))), (X (X (NOT (AND p1 (NOT p0))))), (X (X (NOT (AND p1 (NOT p0) p3)))), (X (X (NOT (AND p2 (NOT p1) (NOT p0))))), (X (X (NOT (AND (NOT p2) (NOT p1) p0 p3)))), (X (X (NOT (AND (NOT p1) p0 (NOT p3))))), (X (X (NOT (AND (NOT p2) p1 (NOT p0) (NOT p3))))), (X (X (NOT (AND p1 p0)))), (X (X (NOT p0))), (X (X (NOT p1))), (F (OR (G p2) (G (NOT p2)))), (F (OR (G p1) (G (NOT p1)))), (F (OR (G p3) (G (NOT p3)))), (G (OR (NOT p0) (NOT p1) (NOT p2))), (G (OR (NOT p0) (NOT p1) (NOT p3))), (G (OR (NOT p0) (NOT p1) p2 (NOT p3))), (G (OR p0 (NOT p1) p2 (NOT p3))), (G (OR p0 (NOT p1) (NOT p2))), (G (OR p0 (NOT p1) (NOT p3))), (G (AND (OR (NOT p0) (NOT p2) (NOT p3)) (OR (NOT p1) (NOT p2) (NOT p3))))]
False Knowledge obtained : [(F (NOT (OR p0 p1 p2 (NOT p3)))), (F (NOT (OR (NOT p0) p1 p2 (NOT p3)))), (F (NOT (OR (NOT p0) p1 p2))), (F (NOT (OR p2 (NOT p3)))), (F (NOT (AND (NOT p0) (NOT p1) (NOT p2)))), (F (NOT (OR (NOT p0) p1 (NOT p2)))), (F (NOT (OR p0 (NOT p1) p3))), (F (NOT (OR p0 (NOT p1)))), (F p2), (F (NOT (OR (NOT p0) p1 p3))), (F (NOT (AND (NOT p2) (NOT p3)))), (F (NOT (OR (NOT p0) (NOT p1) p3))), (F (NOT (OR p0 p1 (NOT p3)))), (F p3), (F (NOT (OR (NOT p0) p1))), (F (NOT (OR (NOT p0) (NOT p1) p2 p3))), (F (NOT (AND (NOT p0) (NOT p1)))), (F (NOT (OR p0 (NOT p1) p2))), (F (NOT (OR (NOT p0) p1 p2 p3))), (F p1), (F (NOT (AND (NOT p0) (NOT p1) (NOT p2) (NOT p3)))), (F p0), (F (NOT (OR p0 p1 (NOT p2)))), (F (NOT (OR p0 (NOT p1) p2 p3))), (F (NOT (OR (NOT p0) (NOT p1)))), (F (NOT (OR p0 p1 (NOT p2)))), (F (NOT (AND (OR (NOT p0) (NOT p2) p3) (OR (NOT p1) (NOT p2) p3)))), (F (NOT (AND (OR (NOT p0) (NOT p2)) (OR (NOT p1) (NOT p2))))), (F (NOT (OR (NOT p0) p1 (NOT p3)))), (F (NOT (AND (NOT p0) (NOT p1) (NOT p3)))), (F (NOT (OR (NOT p0) (NOT p1) p2)))]
Knowledge based reduction with 69 factoid took 3500 ms. Reduced automaton from 14 states, 52 edges and 4 AP (stutter sensitive) to 11 states, 35 edges and 4 AP (stutter sensitive).
Stuttering acceptance computed with spot in 628 ms :[(OR (AND p2 (NOT p3)) (AND p0 p2)), (NOT p3), (NOT p3), true, (OR (AND (NOT p1) (NOT p3)) (AND p1 (NOT p2)) (AND p0 p1)), (AND (NOT p3) (NOT p2)), (OR (AND (NOT p2) (NOT p3)) (AND p1 (NOT p2)) (AND p0 p1)), (OR (AND (NOT p2) (NOT p3)) (AND (NOT p1) (NOT p3)) (AND p0 p2) (AND p0 p1)), (NOT p2), (OR (NOT p2) (NOT p1) p0), (OR (NOT p2) (AND p0 p1))]
Stuttering acceptance computed with spot in 582 ms :[(OR (AND p2 (NOT p3)) (AND p0 p2)), (NOT p3), (NOT p3), true, (OR (AND (NOT p1) (NOT p3)) (AND p1 (NOT p2)) (AND p0 p1)), (AND (NOT p3) (NOT p2)), (OR (AND (NOT p2) (NOT p3)) (AND p1 (NOT p2)) (AND p0 p1)), (OR (AND (NOT p2) (NOT p3)) (AND (NOT p1) (NOT p3)) (AND p0 p2) (AND p0 p1)), (NOT p2), (OR (NOT p2) (NOT p1) p0), (OR (NOT p2) (AND p0 p1))]
Support contains 6 out of 193 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 193/193 places, 137/137 transitions.
Applied a total of 0 rules in 1 ms. Remains 193 /193 variables (removed 0) and now considering 137/137 (removed 0) transitions.
// Phase 1: matrix 137 rows 193 cols
[2025-05-31 13:01:57] [INFO ] Computed 58 invariants in 1 ms
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-05-31 13:01:58] [INFO ] Implicit Places using invariants in 320 ms returned []
[2025-05-31 13:01:58] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-05-31 13:01:58] [INFO ] Implicit Places using invariants and state equation in 521 ms returned []
Implicit Place search using SMT with State Equation took 845 ms to find 0 implicit places.
Running 136 sub problems to find dead transitions.
[2025-05-31 13:01:58] [INFO ] Invariant cache hit.
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
All remaining problems are real, not stopping.
At refinement iteration 0 (INCLUDED_ONLY) 0/192 variables, 12/12 constraints. Problems are: Problem set: 0 solved, 136 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/192 variables, 0/12 constraints. Problems are: Problem set: 0 solved, 136 unsolved
At refinement iteration 2 (OVERLAPS) 1/193 variables, 33/45 constraints. Problems are: Problem set: 0 solved, 136 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/193 variables, 13/58 constraints. Problems are: Problem set: 0 solved, 136 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 13:01:59] [INFO ] Deduced a trap composed of 12 places in 57 ms of which 8 ms to minimize.
At refinement iteration 4 (INCLUDED_ONLY) 0/193 variables, 1/59 constraints. Problems are: Problem set: 0 solved, 136 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/193 variables, 0/59 constraints. Problems are: Problem set: 0 solved, 136 unsolved
At refinement iteration 6 (OVERLAPS) 137/330 variables, 193/252 constraints. Problems are: Problem set: 0 solved, 136 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 13:02:02] [INFO ] Deduced a trap composed of 17 places in 87 ms of which 15 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 13:02:03] [INFO ] Deduced a trap composed of 10 places in 44 ms of which 4 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 13:02:03] [INFO ] Deduced a trap composed of 12 places in 46 ms of which 3 ms to minimize.
At refinement iteration 7 (INCLUDED_ONLY) 0/330 variables, 3/255 constraints. Problems are: Problem set: 0 solved, 136 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/330 variables, 0/255 constraints. Problems are: Problem set: 0 solved, 136 unsolved
At refinement iteration 9 (OVERLAPS) 0/330 variables, 0/255 constraints. Problems are: Problem set: 0 solved, 136 unsolved
No progress, stopping.
After SMT solving in domain Real declared 330/330 variables, and 255 constraints, problems are : Problem set: 0 solved, 136 unsolved in 11317 ms.
Refiners :[Positive P Invariants (semi-flows): 33/33 constraints, Generalized P Invariants (flows): 25/25 constraints, State Equation: 193/193 constraints, PredecessorRefiner: 136/136 constraints, Known Traps: 4/4 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 136 unsolved
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/192 variables, 12/12 constraints. Problems are: Problem set: 0 solved, 136 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/192 variables, 0/12 constraints. Problems are: Problem set: 0 solved, 136 unsolved
At refinement iteration 2 (OVERLAPS) 1/193 variables, 33/45 constraints. Problems are: Problem set: 0 solved, 136 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/193 variables, 13/58 constraints. Problems are: Problem set: 0 solved, 136 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/193 variables, 4/62 constraints. Problems are: Problem set: 0 solved, 136 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/193 variables, 0/62 constraints. Problems are: Problem set: 0 solved, 136 unsolved
At refinement iteration 6 (OVERLAPS) 137/330 variables, 193/255 constraints. Problems are: Problem set: 0 solved, 136 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/330 variables, 136/391 constraints. Problems are: Problem set: 0 solved, 136 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 330/330 variables, and 391 constraints, problems are : Problem set: 0 solved, 136 unsolved in 30015 ms.
Refiners :[Positive P Invariants (semi-flows): 33/33 constraints, Generalized P Invariants (flows): 25/25 constraints, State Equation: 193/193 constraints, PredecessorRefiner: 136/136 constraints, Known Traps: 4/4 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 41370ms problems are : Problem set: 0 solved, 136 unsolved
Search for dead transitions found 0 dead transitions in 41371ms
Finished structural reductions in LTL mode , in 1 iterations and 42217 ms. Remains : 193/193 places, 137/137 transitions.
Computed a total of 96 stabilizing places and 91 stable transitions
Computed a total of 96 stabilizing places and 91 stable transitions
Detected a total of 96/193 stabilizing places and 91/137 transitions leading to convergence knowledge of the form 'F(Gp|G!p)' for 3/4 atomic propositions.
Knowledge obtained : [(AND (NOT p0) (NOT p2) (NOT p3) (NOT p1)), (X (NOT p2)), (X (NOT (AND p0 (NOT p1)))), (X (NOT (AND p0 p1))), (X (NOT (AND (NOT p0) p2))), (X (OR p0 (NOT p2))), (X (NOT (AND (NOT p0) p1))), (X (NOT (AND p0 p2))), (X (AND (NOT p0) (NOT p1))), (X (NOT p0)), (X (NOT p1)), (X (X (NOT p2))), (X (X (NOT (AND p0 (NOT p1))))), (X (X (NOT p3))), (X (X (NOT (AND (NOT p0) (NOT p2) p3)))), (X (X (NOT (AND (NOT p2) p3)))), (X (X (NOT (AND (NOT p0) p1)))), (X (X (NOT (AND p0 p2)))), (X (X (AND (NOT p0) (NOT p1)))), (X (X (NOT (AND p0 p3)))), (X (X (AND (NOT p2) (NOT p3)))), (X (X (NOT (AND p0 (NOT p1) (NOT p2) (NOT p3))))), (X (X (NOT (AND p0 (NOT p1) (NOT p3))))), (X (X (AND (NOT p0) (NOT p1) (NOT p3)))), (X (X (NOT (AND p0 p1)))), (X (X (NOT (AND (NOT p0) p3)))), (X (X (AND (NOT p0) (NOT p1) (NOT p2) (NOT p3)))), (X (X (NOT (AND (NOT p0) p2)))), (X (X (OR p0 (NOT p2)))), (X (X (NOT p0))), (X (X (NOT p1))), (F (OR (G p2) (G (NOT p2)))), (F (OR (G p3) (G (NOT p3)))), (F (OR (G p1) (G (NOT p1))))]
False Knowledge obtained : []
Knowledge based reduction with 34 factoid took 678 ms. Reduced automaton from 11 states, 35 edges and 4 AP (stutter sensitive) to 11 states, 35 edges and 4 AP (stutter sensitive).
Stuttering acceptance computed with spot in 617 ms :[(OR (AND p2 (NOT p3)) (AND p0 p2)), (NOT p3), (NOT p3), true, (OR (AND (NOT p1) (NOT p3)) (AND p1 (NOT p2)) (AND p0 p1)), (AND (NOT p3) (NOT p2)), (OR (AND (NOT p2) (NOT p3)) (AND p1 (NOT p2)) (AND p0 p1)), (OR (AND (NOT p2) (NOT p3)) (AND (NOT p1) (NOT p3)) (AND p0 p2) (AND p0 p1)), (NOT p2), (OR (NOT p2) (NOT p1) p0), (OR (NOT p2) (AND p0 p1))]
Reduction of identical properties reduced properties to check from 22 to 21
RANDOM walk for 40000 steps (904 resets) in 623 ms. (64 steps per ms) remains 12/21 properties
BEST_FIRST walk for 40002 steps (185 resets) in 107 ms. (370 steps per ms) remains 12/12 properties
BEST_FIRST walk for 40002 steps (177 resets) in 116 ms. (341 steps per ms) remains 12/12 properties
BEST_FIRST walk for 40001 steps (183 resets) in 118 ms. (336 steps per ms) remains 12/12 properties
BEST_FIRST walk for 40001 steps (180 resets) in 119 ms. (333 steps per ms) remains 12/12 properties
BEST_FIRST walk for 40003 steps (195 resets) in 111 ms. (357 steps per ms) remains 12/12 properties
BEST_FIRST walk for 40003 steps (188 resets) in 111 ms. (357 steps per ms) remains 12/12 properties
BEST_FIRST walk for 40004 steps (189 resets) in 121 ms. (327 steps per ms) remains 12/12 properties
BEST_FIRST walk for 40002 steps (188 resets) in 117 ms. (339 steps per ms) remains 12/12 properties
BEST_FIRST walk for 40002 steps (183 resets) in 110 ms. (360 steps per ms) remains 12/12 properties
BEST_FIRST walk for 40002 steps (176 resets) in 120 ms. (330 steps per ms) remains 12/12 properties
BEST_FIRST walk for 40004 steps (194 resets) in 110 ms. (360 steps per ms) remains 12/12 properties
BEST_FIRST walk for 40004 steps (173 resets) in 100 ms. (396 steps per ms) remains 12/12 properties
[2025-05-31 13:02:41] [INFO ] Invariant cache hit.
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/6 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 12 unsolved
At refinement iteration 1 (OVERLAPS) 6/12 variables, 3/3 constraints. Problems are: Problem set: 0 solved, 12 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/12 variables, 0/3 constraints. Problems are: Problem set: 0 solved, 12 unsolved
At refinement iteration 3 (OVERLAPS) 70/82 variables, 30/33 constraints. Problems are: Problem set: 0 solved, 12 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/82 variables, 1/34 constraints. Problems are: Problem set: 0 solved, 12 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/82 variables, 0/34 constraints. Problems are: Problem set: 0 solved, 12 unsolved
All remaining problems are real, not stopping.
At refinement iteration 6 (OVERLAPS) 82/164 variables, 22/56 constraints. Problems are: Problem set: 0 solved, 12 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/164 variables, 0/56 constraints. Problems are: Problem set: 0 solved, 12 unsolved
At refinement iteration 8 (OVERLAPS) 6/170 variables, 2/58 constraints. Problems are: Problem set: 0 solved, 12 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/170 variables, 0/58 constraints. Problems are: Problem set: 0 solved, 12 unsolved
At refinement iteration 10 (OVERLAPS) 136/306 variables, 170/228 constraints. Problems are: Problem set: 0 solved, 12 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/306 variables, 0/228 constraints. Problems are: Problem set: 0 solved, 12 unsolved
At refinement iteration 12 (OVERLAPS) 24/330 variables, 23/251 constraints. Problems are: Problem set: 0 solved, 12 unsolved
At refinement iteration 13 (INCLUDED_ONLY) 0/330 variables, 0/251 constraints. Problems are: Problem set: 0 solved, 12 unsolved
At refinement iteration 14 (OVERLAPS) 0/330 variables, 0/251 constraints. Problems are: Problem set: 0 solved, 12 unsolved
No progress, stopping.
After SMT solving in domain Real declared 330/330 variables, and 251 constraints, problems are : Problem set: 0 solved, 12 unsolved in 1677 ms.
Refiners :[Positive P Invariants (semi-flows): 33/33 constraints, Generalized P Invariants (flows): 25/25 constraints, State Equation: 193/193 constraints, PredecessorRefiner: 12/12 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 12 unsolved
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/6 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 12 unsolved
At refinement iteration 1 (OVERLAPS) 6/12 variables, 3/3 constraints. Problems are: Problem set: 0 solved, 12 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/12 variables, 0/3 constraints. Problems are: Problem set: 0 solved, 12 unsolved
At refinement iteration 3 (OVERLAPS) 70/82 variables, 30/33 constraints. Problems are: Problem set: 0 solved, 12 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/82 variables, 1/34 constraints. Problems are: Problem set: 0 solved, 12 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/82 variables, 0/34 constraints. Problems are: Problem set: 0 solved, 12 unsolved
At refinement iteration 6 (OVERLAPS) 82/164 variables, 22/56 constraints. Problems are: Problem set: 0 solved, 12 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/164 variables, 0/56 constraints. Problems are: Problem set: 0 solved, 12 unsolved
At refinement iteration 8 (OVERLAPS) 6/170 variables, 2/58 constraints. Problems are: Problem set: 0 solved, 12 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/170 variables, 0/58 constraints. Problems are: Problem set: 0 solved, 12 unsolved
At refinement iteration 10 (OVERLAPS) 136/306 variables, 170/228 constraints. Problems are: Problem set: 0 solved, 12 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/306 variables, 0/228 constraints. Problems are: Problem set: 0 solved, 12 unsolved
At refinement iteration 12 (OVERLAPS) 24/330 variables, 23/251 constraints. Problems are: Problem set: 0 solved, 12 unsolved
At refinement iteration 13 (INCLUDED_ONLY) 0/330 variables, 12/263 constraints. Problems are: Problem set: 0 solved, 12 unsolved
At refinement iteration 14 (INCLUDED_ONLY) 0/330 variables, 0/263 constraints. Problems are: Problem set: 0 solved, 12 unsolved
At refinement iteration 15 (OVERLAPS) 0/330 variables, 0/263 constraints. Problems are: Problem set: 0 solved, 12 unsolved
No progress, stopping.
After SMT solving in domain Int declared 330/330 variables, and 263 constraints, problems are : Problem set: 0 solved, 12 unsolved in 4833 ms.
Refiners :[Positive P Invariants (semi-flows): 33/33 constraints, Generalized P Invariants (flows): 25/25 constraints, State Equation: 193/193 constraints, PredecessorRefiner: 12/12 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 6521ms problems are : Problem set: 0 solved, 12 unsolved
Fused 12 Parikh solutions to 6 different solutions.
Parikh walk visited 9 properties in 6118 ms.
Support contains 4 out of 193 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 193/193 places, 137/137 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 2 place count 193 transition count 135
Partial Free-agglomeration rule applied 6 times.
Drop transitions (Partial Free agglomeration) removed 6 transitions
Iterating global reduction 1 with 6 rules applied. Total rules applied 8 place count 193 transition count 135
Applied a total of 8 rules in 13 ms. Remains 193 /193 variables (removed 0) and now considering 135/137 (removed 2) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 13 ms. Remains : 193/193 places, 135/137 transitions.
RANDOM walk for 40000 steps (530 resets) in 196 ms. (203 steps per ms) remains 3/3 properties
BEST_FIRST walk for 40003 steps (71 resets) in 70 ms. (563 steps per ms) remains 3/3 properties
BEST_FIRST walk for 40003 steps (98 resets) in 57 ms. (689 steps per ms) remains 3/3 properties
BEST_FIRST walk for 40004 steps (82 resets) in 54 ms. (727 steps per ms) remains 3/3 properties
Interrupted probabilistic random walk after 800435 steps, run timeout after 3001 ms. (steps per millisecond=266 ) properties seen :0 out of 3
Probabilistic random walk after 800435 steps, saw 114459 distinct states, run finished after 3001 ms. (steps per millisecond=266 ) properties seen :0
// Phase 1: matrix 135 rows 193 cols
[2025-05-31 13:02:57] [INFO ] Computed 60 invariants in 2 ms
[2025-05-31 13:02:57] [INFO ] State equation strengthened by 3 read => feed constraints.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/4 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 1 (OVERLAPS) 6/10 variables, 3/3 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/10 variables, 0/3 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 3 (OVERLAPS) 76/86 variables, 32/35 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/86 variables, 1/36 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/86 variables, 0/36 constraints. Problems are: Problem set: 0 solved, 3 unsolved
All remaining problems are real, not stopping.
At refinement iteration 6 (OVERLAPS) 87/173 variables, 24/60 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/173 variables, 0/60 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 8 (OVERLAPS) 135/308 variables, 173/233 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/308 variables, 3/236 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/308 variables, 0/236 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 11 (OVERLAPS) 20/328 variables, 20/256 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 12 (INCLUDED_ONLY) 0/328 variables, 0/256 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 13 (OVERLAPS) 0/328 variables, 0/256 constraints. Problems are: Problem set: 0 solved, 3 unsolved
No progress, stopping.
After SMT solving in domain Real declared 328/328 variables, and 256 constraints, problems are : Problem set: 0 solved, 3 unsolved in 317 ms.
Refiners :[Positive P Invariants (semi-flows): 35/35 constraints, Generalized P Invariants (flows): 25/25 constraints, State Equation: 193/193 constraints, ReadFeed: 3/3 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) 0/4 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 1 (OVERLAPS) 6/10 variables, 3/3 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/10 variables, 0/3 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 3 (OVERLAPS) 76/86 variables, 32/35 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/86 variables, 1/36 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/86 variables, 0/36 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 6 (OVERLAPS) 87/173 variables, 24/60 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/173 variables, 0/60 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 8 (OVERLAPS) 135/308 variables, 173/233 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/308 variables, 3/236 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/308 variables, 0/236 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 11 (OVERLAPS) 20/328 variables, 20/256 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 12 (INCLUDED_ONLY) 0/328 variables, 3/259 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 13 (INCLUDED_ONLY) 0/328 variables, 0/259 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 14 (OVERLAPS) 0/328 variables, 0/259 constraints. Problems are: Problem set: 0 solved, 3 unsolved
No progress, stopping.
After SMT solving in domain Int declared 328/328 variables, and 259 constraints, problems are : Problem set: 0 solved, 3 unsolved in 1506 ms.
Refiners :[Positive P Invariants (semi-flows): 35/35 constraints, Generalized P Invariants (flows): 25/25 constraints, State Equation: 193/193 constraints, ReadFeed: 3/3 constraints, PredecessorRefiner: 3/3 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 1833ms problems are : Problem set: 0 solved, 3 unsolved
Fused 3 Parikh solutions to 2 different solutions.
Parikh walk visited 0 properties in 2428 ms.
Support contains 4 out of 193 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 193/193 places, 135/135 transitions.
Applied a total of 0 rules in 6 ms. Remains 193 /193 variables (removed 0) and now considering 135/135 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 6 ms. Remains : 193/193 places, 135/135 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 193/193 places, 135/135 transitions.
Applied a total of 0 rules in 5 ms. Remains 193 /193 variables (removed 0) and now considering 135/135 (removed 0) transitions.
[2025-05-31 13:03:02] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-05-31 13:03:02] [INFO ] Implicit Places using invariants in 232 ms returned []
[2025-05-31 13:03:02] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-05-31 13:03:02] [INFO ] State equation strengthened by 3 read => feed constraints.
[2025-05-31 13:03:02] [INFO ] Implicit Places using invariants and state equation in 559 ms returned []
Implicit Place search using SMT with State Equation took 792 ms to find 0 implicit places.
Starting Z3 with timeout 200.0 s and query timeout 20000.0 ms
[2025-05-31 13:03:02] [INFO ] Redundant transitions in 0 ms returned []
Running 134 sub problems to find dead transitions.
[2025-05-31 13:03:02] [INFO ] Invariant cache hit.
[2025-05-31 13:03:02] [INFO ] State equation strengthened by 3 read => feed constraints.
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
All remaining problems are real, not stopping.
At refinement iteration 0 (INCLUDED_ONLY) 0/192 variables, 11/11 constraints. Problems are: Problem set: 0 solved, 134 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/192 variables, 0/11 constraints. Problems are: Problem set: 0 solved, 134 unsolved
At refinement iteration 2 (OVERLAPS) 1/193 variables, 35/46 constraints. Problems are: Problem set: 0 solved, 134 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/193 variables, 14/60 constraints. Problems are: Problem set: 0 solved, 134 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/193 variables, 0/60 constraints. Problems are: Problem set: 0 solved, 134 unsolved
At refinement iteration 5 (OVERLAPS) 135/328 variables, 193/253 constraints. Problems are: Problem set: 0 solved, 134 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/328 variables, 3/256 constraints. Problems are: Problem set: 0 solved, 134 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 13:03:05] [INFO ] Deduced a trap composed of 15 places in 50 ms of which 6 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 13:03:06] [INFO ] Deduced a trap composed of 12 places in 70 ms of which 8 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 13:03:06] [INFO ] Deduced a trap composed of 7 places in 49 ms of which 3 ms to minimize.
At refinement iteration 7 (INCLUDED_ONLY) 0/328 variables, 3/259 constraints. Problems are: Problem set: 0 solved, 134 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 13:03:08] [INFO ] Deduced a trap composed of 11 places in 59 ms of which 6 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 13:03:09] [INFO ] Deduced a trap composed of 8 places in 52 ms of which 4 ms to minimize.
At refinement iteration 8 (INCLUDED_ONLY) 0/328 variables, 2/261 constraints. Problems are: Problem set: 0 solved, 134 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 13:03:11] [INFO ] Deduced a trap composed of 8 places in 72 ms of which 6 ms to minimize.
At refinement iteration 9 (INCLUDED_ONLY) 0/328 variables, 1/262 constraints. Problems are: Problem set: 0 solved, 134 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 13:03:13] [INFO ] Deduced a trap composed of 17 places in 113 ms of which 14 ms to minimize.
At refinement iteration 10 (INCLUDED_ONLY) 0/328 variables, 1/263 constraints. Problems are: Problem set: 0 solved, 134 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 13:03:15] [INFO ] Deduced a trap composed of 36 places in 115 ms of which 19 ms to minimize.
At refinement iteration 11 (INCLUDED_ONLY) 0/328 variables, 1/264 constraints. Problems are: Problem set: 0 solved, 134 unsolved
At refinement iteration 12 (INCLUDED_ONLY) 0/328 variables, 0/264 constraints. Problems are: Problem set: 0 solved, 134 unsolved
At refinement iteration 13 (OVERLAPS) 0/328 variables, 0/264 constraints. Problems are: Problem set: 0 solved, 134 unsolved
No progress, stopping.
After SMT solving in domain Real declared 328/328 variables, and 264 constraints, problems are : Problem set: 0 solved, 134 unsolved in 19203 ms.
Refiners :[Positive P Invariants (semi-flows): 35/35 constraints, Generalized P Invariants (flows): 25/25 constraints, State Equation: 193/193 constraints, ReadFeed: 3/3 constraints, PredecessorRefiner: 134/134 constraints, Known Traps: 8/8 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 134 unsolved
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/192 variables, 11/11 constraints. Problems are: Problem set: 0 solved, 134 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/192 variables, 0/11 constraints. Problems are: Problem set: 0 solved, 134 unsolved
At refinement iteration 2 (OVERLAPS) 1/193 variables, 35/46 constraints. Problems are: Problem set: 0 solved, 134 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/193 variables, 14/60 constraints. Problems are: Problem set: 0 solved, 134 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/193 variables, 8/68 constraints. Problems are: Problem set: 0 solved, 134 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 13:03:23] [INFO ] Deduced a trap composed of 6 places in 45 ms of which 5 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 13:03:24] [INFO ] Deduced a trap composed of 9 places in 46 ms of which 4 ms to minimize.
At refinement iteration 5 (INCLUDED_ONLY) 0/193 variables, 2/70 constraints. Problems are: Problem set: 0 solved, 134 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/193 variables, 0/70 constraints. Problems are: Problem set: 0 solved, 134 unsolved
At refinement iteration 7 (OVERLAPS) 135/328 variables, 193/263 constraints. Problems are: Problem set: 0 solved, 134 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/328 variables, 3/266 constraints. Problems are: Problem set: 0 solved, 134 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/328 variables, 134/400 constraints. Problems are: Problem set: 0 solved, 134 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 13:03:36] [INFO ] Deduced a trap composed of 21 places in 41 ms of which 4 ms to minimize.
At refinement iteration 10 (INCLUDED_ONLY) 0/328 variables, 1/401 constraints. Problems are: Problem set: 0 solved, 134 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 328/328 variables, and 401 constraints, problems are : Problem set: 0 solved, 134 unsolved in 30014 ms.
Refiners :[Positive P Invariants (semi-flows): 35/35 constraints, Generalized P Invariants (flows): 25/25 constraints, State Equation: 193/193 constraints, ReadFeed: 3/3 constraints, PredecessorRefiner: 134/134 constraints, Known Traps: 11/11 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 49242ms problems are : Problem set: 0 solved, 134 unsolved
Search for dead transitions found 0 dead transitions in 49244ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 50049 ms. Remains : 193/193 places, 135/135 transitions.
Attempting over-approximation, by ignoring read arcs.
Partial Free-agglomeration rule applied 1 times.
Drop transitions (Partial Free agglomeration) removed 1 transitions
Iterating global reduction 0 with 1 rules applied. Total rules applied 1 place count 193 transition count 135
Applied a total of 1 rules in 15 ms. Remains 193 /193 variables (removed 0) and now considering 135/135 (removed 0) transitions.
Running SMT prover for 3 properties.
// Phase 1: matrix 135 rows 193 cols
[2025-05-31 13:03:52] [INFO ] Computed 60 invariants in 2 ms
Starting Z3 with timeout 450.0 s and query timeout 45000.0 ms
[2025-05-31 13:03:52] [INFO ] [Real]Absence check using 35 positive place invariants in 17 ms returned sat
[2025-05-31 13:03:52] [INFO ] [Real]Absence check using 35 positive and 25 generalized place invariants in 29 ms returned sat
[2025-05-31 13:03:52] [INFO ] After 160ms 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
[2025-05-31 13:03:52] [INFO ] [Nat]Absence check using 35 positive place invariants in 16 ms returned sat
[2025-05-31 13:03:52] [INFO ] [Nat]Absence check using 35 positive and 25 generalized place invariants in 26 ms returned sat
[2025-05-31 13:03:52] [INFO ] After 371ms SMT Verify possible using state equation in natural domain returned unsat :0 sat :3
TRAPS : Iteration 0
[2025-05-31 13:03:53] [INFO ] After 657ms SMT Verify possible using trap constraints in natural domain returned unsat :0 sat :3
[2025-05-31 13:03:53] [INFO ] After 1009ms SMT Verify possible using all constraints in natural domain returned unsat :0 sat :3
Over-approximation ignoring read arcs solved 0 properties in 1193 ms.
Knowledge obtained : [(AND (NOT p0) (NOT p2) (NOT p3) (NOT p1)), (X (NOT p2)), (X (NOT (AND p0 (NOT p1)))), (X (NOT (AND p0 p1))), (X (NOT (AND (NOT p0) p2))), (X (OR p0 (NOT p2))), (X (NOT (AND (NOT p0) p1))), (X (NOT (AND p0 p2))), (X (AND (NOT p0) (NOT p1))), (X (NOT p0)), (X (NOT p1)), (X (X (NOT p2))), (X (X (NOT (AND p0 (NOT p1))))), (X (X (NOT p3))), (X (X (NOT (AND (NOT p0) (NOT p2) p3)))), (X (X (NOT (AND (NOT p2) p3)))), (X (X (NOT (AND (NOT p0) p1)))), (X (X (NOT (AND p0 p2)))), (X (X (AND (NOT p0) (NOT p1)))), (X (X (NOT (AND p0 p3)))), (X (X (AND (NOT p2) (NOT p3)))), (X (X (NOT (AND p0 (NOT p1) (NOT p2) (NOT p3))))), (X (X (NOT (AND p0 (NOT p1) (NOT p3))))), (X (X (AND (NOT p0) (NOT p1) (NOT p3)))), (X (X (NOT (AND p0 p1)))), (X (X (NOT (AND (NOT p0) p3)))), (X (X (AND (NOT p0) (NOT p1) (NOT p2) (NOT p3)))), (X (X (NOT (AND (NOT p0) p2)))), (X (X (OR p0 (NOT p2)))), (X (X (NOT p0))), (X (X (NOT p1))), (F (OR (G p2) (G (NOT p2)))), (F (OR (G p3) (G (NOT p3)))), (F (OR (G p1) (G (NOT p1))))]
False Knowledge obtained : [(F (NOT (OR p0 (NOT p1)))), (F (NOT (AND (NOT p0) (NOT p2) (NOT p1)))), (F (NOT (OR (NOT p0) p1))), (F (NOT (OR (NOT p0) (NOT p1)))), (F (NOT (AND (NOT p0) (NOT p1) (NOT p3)))), (F (NOT (OR p0 p2 (NOT p3)))), (F (NOT (OR (NOT p0) p1 p3))), (F (NOT (OR p2 (NOT p3)))), (F (NOT (AND (NOT p0) (NOT p1)))), (F (NOT (OR (NOT p0) p2 p1 p3))), (F (NOT (OR (NOT p0) p2 p1))), (F p3), (F (NOT (AND (NOT p0) (NOT p2) (NOT p1) (NOT p3)))), (F (NOT (OR p0 (NOT p3)))), (F (NOT (AND (NOT p2) (NOT p3)))), (F p1), (F (NOT (OR (NOT p0) (NOT p3)))), (F p0)]
Knowledge based reduction with 34 factoid took 4259 ms. Reduced automaton from 11 states, 35 edges and 4 AP (stutter sensitive) to 11 states, 35 edges and 4 AP (stutter sensitive).
Stuttering acceptance computed with spot in 574 ms :[(OR (AND p2 (NOT p3)) (AND p0 p2)), (NOT p3), (NOT p3), true, (OR (AND (NOT p1) (NOT p3)) (AND p1 (NOT p2)) (AND p0 p1)), (AND (NOT p3) (NOT p2)), (OR (AND (NOT p2) (NOT p3)) (AND p1 (NOT p2)) (AND p0 p1)), (OR (AND (NOT p2) (NOT p3)) (AND (NOT p1) (NOT p3)) (AND p0 p2) (AND p0 p1)), (NOT p2), (OR (NOT p2) (NOT p1) p0), (OR (NOT p2) (AND p0 p1))]
Stuttering acceptance computed with spot in 573 ms :[(OR (AND p2 (NOT p3)) (AND p0 p2)), (NOT p3), (NOT p3), true, (OR (AND (NOT p1) (NOT p3)) (AND p1 (NOT p2)) (AND p0 p1)), (AND (NOT p3) (NOT p2)), (OR (AND (NOT p2) (NOT p3)) (AND p1 (NOT p2)) (AND p0 p1)), (OR (AND (NOT p2) (NOT p3)) (AND (NOT p1) (NOT p3)) (AND p0 p2) (AND p0 p1)), (NOT p2), (OR (NOT p2) (NOT p1) p0), (OR (NOT p2) (AND p0 p1))]
Stuttering acceptance computed with spot in 569 ms :[(OR (AND p2 (NOT p3)) (AND p0 p2)), (NOT p3), (NOT p3), true, (OR (AND (NOT p1) (NOT p3)) (AND p1 (NOT p2)) (AND p0 p1)), (AND (NOT p3) (NOT p2)), (OR (AND (NOT p2) (NOT p3)) (AND p1 (NOT p2)) (AND p0 p1)), (OR (AND (NOT p2) (NOT p3)) (AND (NOT p1) (NOT p3)) (AND p0 p2) (AND p0 p1)), (NOT p2), (OR (NOT p2) (NOT p1) p0), (OR (NOT p2) (AND p0 p1))]
Product exploration explored 100000 steps with 2223 reset in 420 ms.
Product exploration explored 100000 steps with 2235 reset in 401 ms.
Applying partial POR strategy [false, false, true, true, false, true, false, false, true, false, false]
Stuttering acceptance computed with spot in 458 ms :[(OR (AND p2 (NOT p3)) (AND p0 p2)), (NOT p3), (NOT p3), true, (OR (AND (NOT p1) (NOT p3)) (AND p1 (NOT p2)) (AND p0 p1)), (AND (NOT p3) (NOT p2)), (OR (AND (NOT p2) (NOT p3)) (AND p1 (NOT p2)) (AND p0 p1)), (OR (AND (NOT p2) (NOT p3)) (AND (NOT p1) (NOT p3)) (AND p0 p2) (AND p0 p1)), (NOT p2), (OR (NOT p2) (NOT p1) p0), (OR (NOT p2) (AND p0 p1))]
Support contains 6 out of 193 places. Attempting structural reductions.
Starting structural reductions in SI_LTL mode, iteration 0 : 193/193 places, 137/137 transitions.
Applied a total of 0 rules in 24 ms. Remains 193 /193 variables (removed 0) and now considering 137/137 (removed 0) transitions.
Starting Z3 with timeout 200.0 s and query timeout 20000.0 ms
[2025-05-31 13:04:00] [INFO ] Redundant transitions in 1 ms returned []
Running 136 sub problems to find dead transitions.
// Phase 1: matrix 137 rows 193 cols
[2025-05-31 13:04:00] [INFO ] Computed 58 invariants in 1 ms
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
All remaining problems are real, not stopping.
At refinement iteration 0 (INCLUDED_ONLY) 0/192 variables, 12/12 constraints. Problems are: Problem set: 0 solved, 136 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/192 variables, 0/12 constraints. Problems are: Problem set: 0 solved, 136 unsolved
At refinement iteration 2 (OVERLAPS) 1/193 variables, 33/45 constraints. Problems are: Problem set: 0 solved, 136 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/193 variables, 13/58 constraints. Problems are: Problem set: 0 solved, 136 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 13:04:02] [INFO ] Deduced a trap composed of 12 places in 63 ms of which 10 ms to minimize.
At refinement iteration 4 (INCLUDED_ONLY) 0/193 variables, 1/59 constraints. Problems are: Problem set: 0 solved, 136 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/193 variables, 0/59 constraints. Problems are: Problem set: 0 solved, 136 unsolved
At refinement iteration 6 (OVERLAPS) 137/330 variables, 193/252 constraints. Problems are: Problem set: 0 solved, 136 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 13:04:04] [INFO ] Deduced a trap composed of 17 places in 122 ms of which 15 ms to minimize.
At refinement iteration 7 (INCLUDED_ONLY) 0/330 variables, 1/253 constraints. Problems are: Problem set: 0 solved, 136 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 13:04:06] [INFO ] Deduced a trap composed of 10 places in 52 ms of which 4 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 13:04:06] [INFO ] Deduced a trap composed of 12 places in 58 ms of which 5 ms to minimize.
At refinement iteration 8 (INCLUDED_ONLY) 0/330 variables, 2/255 constraints. Problems are: Problem set: 0 solved, 136 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/330 variables, 0/255 constraints. Problems are: Problem set: 0 solved, 136 unsolved
At refinement iteration 10 (OVERLAPS) 0/330 variables, 0/255 constraints. Problems are: Problem set: 0 solved, 136 unsolved
No progress, stopping.
After SMT solving in domain Real declared 330/330 variables, and 255 constraints, problems are : Problem set: 0 solved, 136 unsolved in 10816 ms.
Refiners :[Positive P Invariants (semi-flows): 33/33 constraints, Generalized P Invariants (flows): 25/25 constraints, State Equation: 193/193 constraints, PredecessorRefiner: 136/136 constraints, Known Traps: 4/4 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 136 unsolved
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/192 variables, 12/12 constraints. Problems are: Problem set: 0 solved, 136 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/192 variables, 0/12 constraints. Problems are: Problem set: 0 solved, 136 unsolved
At refinement iteration 2 (OVERLAPS) 1/193 variables, 33/45 constraints. Problems are: Problem set: 0 solved, 136 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/193 variables, 13/58 constraints. Problems are: Problem set: 0 solved, 136 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/193 variables, 4/62 constraints. Problems are: Problem set: 0 solved, 136 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/193 variables, 0/62 constraints. Problems are: Problem set: 0 solved, 136 unsolved
At refinement iteration 6 (OVERLAPS) 137/330 variables, 193/255 constraints. Problems are: Problem set: 0 solved, 136 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/330 variables, 136/391 constraints. Problems are: Problem set: 0 solved, 136 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 13:04:35] [INFO ] Deduced a trap composed of 9 places in 129 ms of which 11 ms to minimize.
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 330/330 variables, and 392 constraints, problems are : Problem set: 0 solved, 136 unsolved in 30012 ms.
Refiners :[Positive P Invariants (semi-flows): 33/33 constraints, Generalized P Invariants (flows): 25/25 constraints, State Equation: 193/193 constraints, PredecessorRefiner: 136/136 constraints, Known Traps: 5/5 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 40852ms problems are : Problem set: 0 solved, 136 unsolved
Search for dead transitions found 0 dead transitions in 40853ms
Finished structural reductions in SI_LTL mode , in 1 iterations and 40882 ms. Remains : 193/193 places, 137/137 transitions.
Built C files in :
/tmp/ltsmin12734422391406662338
[2025-05-31 13:04:41] [INFO ] Built C files in 4ms conformant to PINS (ltsmin variant)in folder :/tmp/ltsmin12734422391406662338
Running compilation step : cd /tmp/ltsmin12734422391406662338;'/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 432 ms.
Running link step : cd /tmp/ltsmin12734422391406662338;'gcc' '-shared' '-o' 'gal.so' 'model.o'
Link finished in 52 ms.
Running LTSmin : cd /tmp/ltsmin12734422391406662338;'/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/stateBased188598544032246833.hoa' '--buchi-type=spotba'
WARNING : LTS min runner thread was asked to interrupt. Dying gracefully.
Support contains 6 out of 193 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 193/193 places, 137/137 transitions.
Applied a total of 0 rules in 9 ms. Remains 193 /193 variables (removed 0) and now considering 137/137 (removed 0) transitions.
[2025-05-31 13:04:56] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-05-31 13:04:57] [INFO ] Implicit Places using invariants in 221 ms returned []
[2025-05-31 13:04:57] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-05-31 13:04:57] [INFO ] Implicit Places using invariants and state equation in 355 ms returned []
Implicit Place search using SMT with State Equation took 578 ms to find 0 implicit places.
Running 136 sub problems to find dead transitions.
[2025-05-31 13:04:57] [INFO ] Invariant cache hit.
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
All remaining problems are real, not stopping.
At refinement iteration 0 (INCLUDED_ONLY) 0/192 variables, 12/12 constraints. Problems are: Problem set: 0 solved, 136 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/192 variables, 0/12 constraints. Problems are: Problem set: 0 solved, 136 unsolved
At refinement iteration 2 (OVERLAPS) 1/193 variables, 33/45 constraints. Problems are: Problem set: 0 solved, 136 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/193 variables, 13/58 constraints. Problems are: Problem set: 0 solved, 136 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 13:04:58] [INFO ] Deduced a trap composed of 12 places in 54 ms of which 8 ms to minimize.
At refinement iteration 4 (INCLUDED_ONLY) 0/193 variables, 1/59 constraints. Problems are: Problem set: 0 solved, 136 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/193 variables, 0/59 constraints. Problems are: Problem set: 0 solved, 136 unsolved
At refinement iteration 6 (OVERLAPS) 137/330 variables, 193/252 constraints. Problems are: Problem set: 0 solved, 136 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 13:05:00] [INFO ] Deduced a trap composed of 17 places in 77 ms of which 10 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 13:05:01] [INFO ] Deduced a trap composed of 10 places in 36 ms of which 3 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 13:05:01] [INFO ] Deduced a trap composed of 12 places in 36 ms of which 3 ms to minimize.
At refinement iteration 7 (INCLUDED_ONLY) 0/330 variables, 3/255 constraints. Problems are: Problem set: 0 solved, 136 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/330 variables, 0/255 constraints. Problems are: Problem set: 0 solved, 136 unsolved
At refinement iteration 9 (OVERLAPS) 0/330 variables, 0/255 constraints. Problems are: Problem set: 0 solved, 136 unsolved
No progress, stopping.
After SMT solving in domain Real declared 330/330 variables, and 255 constraints, problems are : Problem set: 0 solved, 136 unsolved in 8723 ms.
Refiners :[Positive P Invariants (semi-flows): 33/33 constraints, Generalized P Invariants (flows): 25/25 constraints, State Equation: 193/193 constraints, PredecessorRefiner: 136/136 constraints, Known Traps: 4/4 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 136 unsolved
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/192 variables, 12/12 constraints. Problems are: Problem set: 0 solved, 136 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/192 variables, 0/12 constraints. Problems are: Problem set: 0 solved, 136 unsolved
At refinement iteration 2 (OVERLAPS) 1/193 variables, 33/45 constraints. Problems are: Problem set: 0 solved, 136 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/193 variables, 13/58 constraints. Problems are: Problem set: 0 solved, 136 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/193 variables, 4/62 constraints. Problems are: Problem set: 0 solved, 136 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/193 variables, 0/62 constraints. Problems are: Problem set: 0 solved, 136 unsolved
At refinement iteration 6 (OVERLAPS) 137/330 variables, 193/255 constraints. Problems are: Problem set: 0 solved, 136 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/330 variables, 136/391 constraints. Problems are: Problem set: 0 solved, 136 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 330/330 variables, and 391 constraints, problems are : Problem set: 0 solved, 136 unsolved in 30011 ms.
Refiners :[Positive P Invariants (semi-flows): 33/33 constraints, Generalized P Invariants (flows): 25/25 constraints, State Equation: 193/193 constraints, PredecessorRefiner: 136/136 constraints, Known Traps: 4/4 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 38755ms problems are : Problem set: 0 solved, 136 unsolved
Search for dead transitions found 0 dead transitions in 38756ms
Finished structural reductions in LTL mode , in 1 iterations and 39344 ms. Remains : 193/193 places, 137/137 transitions.
Built C files in :
/tmp/ltsmin14643841189974008091
[2025-05-31 13:05:36] [INFO ] Built C files in 5ms conformant to PINS (ltsmin variant)in folder :/tmp/ltsmin14643841189974008091
Running compilation step : cd /tmp/ltsmin14643841189974008091;'/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 640 ms.
Running link step : cd /tmp/ltsmin14643841189974008091;'gcc' '-shared' '-o' 'gal.so' 'model.o'
Link finished in 52 ms.
Running LTSmin : cd /tmp/ltsmin14643841189974008091;'/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/stateBased15229759296570089808.hoa' '--buchi-type=spotba'
WARNING : LTS min runner thread was asked to interrupt. Dying gracefully.
[2025-05-31 13:05:51] [INFO ] Flatten gal took : 15 ms
[2025-05-31 13:05:51] [INFO ] Flatten gal took : 18 ms
[2025-05-31 13:05:51] [INFO ] Time to serialize gal into /tmp/LTL1549251126543461909.gal : 5 ms
[2025-05-31 13:05:51] [INFO ] Time to serialize properties into /tmp/LTL6278737417022743289.prop : 1 ms
Invoking ITS tools like this :cd /home/mcc/execution;'/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202505121319/bin/its-ltl-linux64' '--gc-threshold' '2000000' '-i' '/tmp/LTL1549251126543461909.gal' '-t' 'CGAL' '-hoa' '/tmp/aut5651194682291288849.hoa' '-atoms' '/tmp/LTL6278737417022743289.prop' '-c' '-stutter-deadlock' '--gen-order' 'FOLLOW'
its-ltl command run as :
/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202505121319/bin/its-ltl-linux64 --gc-threshold 2000000 -i /tmp/L...317
Loading property file /tmp/LTL6278737417022743289.prop.
Loaded 4 atomic propositions.
Checking formula 0 provided in automaton : /tmp/aut5651194682291288849.hoa
Detected timeout of ITS tools.
[2025-05-31 13:06:06] [INFO ] Flatten gal took : 13 ms
[2025-05-31 13:06:06] [INFO ] Flatten gal took : 13 ms
[2025-05-31 13:06:06] [INFO ] Time to serialize gal into /tmp/LTL6687961708778121848.gal : 2 ms
[2025-05-31 13:06:06] [INFO ] Time to serialize properties into /tmp/LTL12452389821737021980.ltl : 1 ms
Invoking ITS tools like this :cd /home/mcc/execution;'/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202505121319/bin/its-ltl-linux64' '--gc-threshold' '2000000' '-i' '/tmp/LTL6687961708778121848.gal' '-t' 'CGAL' '-LTL' '/tmp/LTL12452389821737021980.ltl' '-c' '-stutter-deadlock' '--gen-order' 'FOLLOW'
its-ltl command run as :
/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202505121319/bin/its-ltl-linux64 --gc-threshold 2000000 -i /tmp/L...276
Read 1 LTL properties
Checking formula 0 : !((G((("((p122==1)&&(p139==1))")U(("((p31==1)&&(p190==1))")&&(X("((p23==1)&&(p190==1))"))))U((!("((p23==1)&&(p190==1))"))||(X(X(G("((p...182
Formula 0 simplified : F((!"((p122==1)&&(p139==1))" R (!"((p31==1)&&(p190==1))" | X!"((p23==1)&&(p190==1))")) R ("((p23==1)&&(p190==1))" & XXF!"((p34==1)&&...168
Detected timeout of ITS tools.
[2025-05-31 13:06:21] [INFO ] Flatten gal took : 13 ms
[2025-05-31 13:06:21] [INFO ] Applying decomposition
[2025-05-31 13:06:21] [INFO ] Flatten gal took : 13 ms
Converted graph to binary with : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.louvain.binaries_1.0.0.202505121319/bin/convert-linux64' '-i' '/tmp/graph3779702506878414689.txt' '-o' '/tmp/graph3779702506878414689.bin' '-w' '/tmp/graph3779702506878414689.weights'
Built communities with : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.louvain.binaries_1.0.0.202505121319/bin/louvain-linux64' '/tmp/graph3779702506878414689.bin' '-l' '-1' '-v' '-w' '/tmp/graph3779702506878414689.weights' '-q' '0' '-e' '0.001'
[2025-05-31 13:06:21] [INFO ] Decomposing Gal with order
[2025-05-31 13:06:21] [INFO ] Rewriting arrays to variables to allow decomposition.
[2025-05-31 13:06:21] [INFO ] Removed a total of 16 redundant transitions.
[2025-05-31 13:06:21] [INFO ] Flatten gal took : 24 ms
[2025-05-31 13:06:21] [INFO ] Fuse similar labels procedure discarded/fused a total of 0 labels/synchronizations in 1 ms.
[2025-05-31 13:06:21] [INFO ] Time to serialize gal into /tmp/LTL14003234387929164124.gal : 4 ms
[2025-05-31 13:06:21] [INFO ] Time to serialize properties into /tmp/LTL14381807657626387917.ltl : 0 ms
Invoking ITS tools like this :cd /home/mcc/execution;'/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202505121319/bin/its-ltl-linux64' '--gc-threshold' '2000000' '-i' '/tmp/LTL14003234387929164124.gal' '-t' 'CGAL' '-LTL' '/tmp/LTL14381807657626387917.ltl' '-c' '-stutter-deadlock'
its-ltl command run as :
/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202505121319/bin/its-ltl-linux64 --gc-threshold 2000000 -i /tmp/L...256
Read 1 LTL properties
Checking formula 0 : !((G((("((i8.u18.p122==1)&&(i8.u26.p139==1))")U(("((u48.p31==1)&&(u48.p190==1))")&&(X("((u48.p23==1)&&(u48.p190==1))"))))U((!("((u48.p...228
Formula 0 simplified : F((!"((i8.u18.p122==1)&&(i8.u26.p139==1))" R (!"((u48.p31==1)&&(u48.p190==1))" | X!"((u48.p23==1)&&(u48.p190==1))")) R ("((u48.p23==...214
Reverse transition relation is NOT exact ! Due to transitions t1, t97, t98, t130, u13.t90, u14.t11, u48.t5, u48.t31, i0.u2.t8, i0.u2.t51, i0.u2.t55, i0.u2....516
Computing Next relation with stutter on 850244 deadlock states
Detected timeout of ITS tools.
Treatment of property DES-PT-20a-LTLFireability-08 finished in 357209 ms.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202505121319/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!((F(p0) U X((!p1||X(!p2)))))'
Support contains 7 out of 193 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 193/193 places, 137/137 transitions.
Applied a total of 0 rules in 4 ms. Remains 193 /193 variables (removed 0) and now considering 137/137 (removed 0) transitions.
[2025-05-31 13:06:36] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-05-31 13:06:37] [INFO ] Implicit Places using invariants in 218 ms returned []
[2025-05-31 13:06:37] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-05-31 13:06:37] [INFO ] Implicit Places using invariants and state equation in 373 ms returned []
Implicit Place search using SMT with State Equation took 593 ms to find 0 implicit places.
Running 136 sub problems to find dead transitions.
[2025-05-31 13:06:37] [INFO ] Invariant cache hit.
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
All remaining problems are real, not stopping.
At refinement iteration 0 (INCLUDED_ONLY) 0/192 variables, 12/12 constraints. Problems are: Problem set: 0 solved, 136 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/192 variables, 0/12 constraints. Problems are: Problem set: 0 solved, 136 unsolved
At refinement iteration 2 (OVERLAPS) 1/193 variables, 33/45 constraints. Problems are: Problem set: 0 solved, 136 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/193 variables, 13/58 constraints. Problems are: Problem set: 0 solved, 136 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 13:06:38] [INFO ] Deduced a trap composed of 12 places in 40 ms of which 6 ms to minimize.
At refinement iteration 4 (INCLUDED_ONLY) 0/193 variables, 1/59 constraints. Problems are: Problem set: 0 solved, 136 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/193 variables, 0/59 constraints. Problems are: Problem set: 0 solved, 136 unsolved
At refinement iteration 6 (OVERLAPS) 137/330 variables, 193/252 constraints. Problems are: Problem set: 0 solved, 136 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 13:06:40] [INFO ] Deduced a trap composed of 17 places in 67 ms of which 9 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 13:06:40] [INFO ] Deduced a trap composed of 10 places in 37 ms of which 3 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 13:06:40] [INFO ] Deduced a trap composed of 12 places in 35 ms of which 3 ms to minimize.
At refinement iteration 7 (INCLUDED_ONLY) 0/330 variables, 3/255 constraints. Problems are: Problem set: 0 solved, 136 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/330 variables, 0/255 constraints. Problems are: Problem set: 0 solved, 136 unsolved
At refinement iteration 9 (OVERLAPS) 0/330 variables, 0/255 constraints. Problems are: Problem set: 0 solved, 136 unsolved
No progress, stopping.
After SMT solving in domain Real declared 330/330 variables, and 255 constraints, problems are : Problem set: 0 solved, 136 unsolved in 8144 ms.
Refiners :[Positive P Invariants (semi-flows): 33/33 constraints, Generalized P Invariants (flows): 25/25 constraints, State Equation: 193/193 constraints, PredecessorRefiner: 136/136 constraints, Known Traps: 4/4 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 136 unsolved
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/192 variables, 12/12 constraints. Problems are: Problem set: 0 solved, 136 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/192 variables, 0/12 constraints. Problems are: Problem set: 0 solved, 136 unsolved
At refinement iteration 2 (OVERLAPS) 1/193 variables, 33/45 constraints. Problems are: Problem set: 0 solved, 136 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/193 variables, 13/58 constraints. Problems are: Problem set: 0 solved, 136 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/193 variables, 4/62 constraints. Problems are: Problem set: 0 solved, 136 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/193 variables, 0/62 constraints. Problems are: Problem set: 0 solved, 136 unsolved
At refinement iteration 6 (OVERLAPS) 137/330 variables, 193/255 constraints. Problems are: Problem set: 0 solved, 136 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/330 variables, 136/391 constraints. Problems are: Problem set: 0 solved, 136 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 330/330 variables, and 391 constraints, problems are : Problem set: 0 solved, 136 unsolved in 30018 ms.
Refiners :[Positive P Invariants (semi-flows): 33/33 constraints, Generalized P Invariants (flows): 25/25 constraints, State Equation: 193/193 constraints, PredecessorRefiner: 136/136 constraints, Known Traps: 4/4 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 38187ms problems are : Problem set: 0 solved, 136 unsolved
Search for dead transitions found 0 dead transitions in 38188ms
Finished structural reductions in LTL mode , in 1 iterations and 38787 ms. Remains : 193/193 places, 137/137 transitions.
Stuttering acceptance computed with spot in 402 ms :[(AND p1 p2), (AND (NOT p0) p1 p2), (AND p1 p2), (AND (NOT p0) p2), (AND (NOT p0) p2 p1), (AND p1 p2), (NOT p0)]
Running random walk in product with property : DES-PT-20a-LTLFireability-10
Product exploration explored 100000 steps with 50000 reset in 958 ms.
Product exploration explored 100000 steps with 50000 reset in 490 ms.
Computed a total of 96 stabilizing places and 91 stable transitions
Computed a total of 96 stabilizing places and 91 stable transitions
Knowledge obtained : [(AND (NOT p0) (NOT p1) (NOT p2)), (X (NOT (AND (NOT p0) p1))), (X (NOT p0)), (X (NOT p1)), (X (X (NOT p2))), (X (X (NOT (AND (NOT p0) p2)))), (X (X (NOT (AND p1 p2)))), (X (X (NOT (AND (NOT p0) p1 p2)))), (X (X (NOT p0))), (X (X (NOT p1)))]
False Knowledge obtained : []
Property proved to be true thanks to knowledge (Minato strategy)
Knowledge based reduction with 10 factoid took 15 ms. Reduced automaton from 7 states, 10 edges and 3 AP (stutter sensitive) to 1 states, 0 edges and 0 AP (stutter insensitive).
FORMULA DES-PT-20a-LTLFireability-10 TRUE TECHNIQUES KNOWLEDGE
Treatment of property DES-PT-20a-LTLFireability-10 finished in 40681 ms.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202505121319/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!((X((!(X((p0 U p1))||p2) U p0))||F(p3)))'
Support contains 11 out of 193 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 193/193 places, 137/137 transitions.
Applied a total of 0 rules in 4 ms. Remains 193 /193 variables (removed 0) and now considering 137/137 (removed 0) transitions.
[2025-05-31 13:07:17] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-05-31 13:07:17] [INFO ] Implicit Places using invariants in 188 ms returned []
[2025-05-31 13:07:17] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-05-31 13:07:18] [INFO ] Implicit Places using invariants and state equation in 346 ms returned []
Implicit Place search using SMT with State Equation took 561 ms to find 0 implicit places.
Running 136 sub problems to find dead transitions.
[2025-05-31 13:07:18] [INFO ] Invariant cache hit.
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
All remaining problems are real, not stopping.
At refinement iteration 0 (INCLUDED_ONLY) 0/192 variables, 12/12 constraints. Problems are: Problem set: 0 solved, 136 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/192 variables, 0/12 constraints. Problems are: Problem set: 0 solved, 136 unsolved
At refinement iteration 2 (OVERLAPS) 1/193 variables, 33/45 constraints. Problems are: Problem set: 0 solved, 136 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/193 variables, 13/58 constraints. Problems are: Problem set: 0 solved, 136 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 13:07:19] [INFO ] Deduced a trap composed of 12 places in 65 ms of which 10 ms to minimize.
At refinement iteration 4 (INCLUDED_ONLY) 0/193 variables, 1/59 constraints. Problems are: Problem set: 0 solved, 136 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/193 variables, 0/59 constraints. Problems are: Problem set: 0 solved, 136 unsolved
At refinement iteration 6 (OVERLAPS) 137/330 variables, 193/252 constraints. Problems are: Problem set: 0 solved, 136 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 13:07:22] [INFO ] Deduced a trap composed of 17 places in 129 ms of which 18 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 13:07:23] [INFO ] Deduced a trap composed of 10 places in 62 ms of which 5 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 13:07:23] [INFO ] Deduced a trap composed of 12 places in 57 ms of which 5 ms to minimize.
At refinement iteration 7 (INCLUDED_ONLY) 0/330 variables, 3/255 constraints. Problems are: Problem set: 0 solved, 136 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/330 variables, 0/255 constraints. Problems are: Problem set: 0 solved, 136 unsolved
At refinement iteration 9 (OVERLAPS) 0/330 variables, 0/255 constraints. Problems are: Problem set: 0 solved, 136 unsolved
No progress, stopping.
After SMT solving in domain Real declared 330/330 variables, and 255 constraints, problems are : Problem set: 0 solved, 136 unsolved in 13124 ms.
Refiners :[Positive P Invariants (semi-flows): 33/33 constraints, Generalized P Invariants (flows): 25/25 constraints, State Equation: 193/193 constraints, PredecessorRefiner: 136/136 constraints, Known Traps: 4/4 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 136 unsolved
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/192 variables, 12/12 constraints. Problems are: Problem set: 0 solved, 136 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/192 variables, 0/12 constraints. Problems are: Problem set: 0 solved, 136 unsolved
At refinement iteration 2 (OVERLAPS) 1/193 variables, 33/45 constraints. Problems are: Problem set: 0 solved, 136 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/193 variables, 13/58 constraints. Problems are: Problem set: 0 solved, 136 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/193 variables, 4/62 constraints. Problems are: Problem set: 0 solved, 136 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/193 variables, 0/62 constraints. Problems are: Problem set: 0 solved, 136 unsolved
At refinement iteration 6 (OVERLAPS) 137/330 variables, 193/255 constraints. Problems are: Problem set: 0 solved, 136 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/330 variables, 136/391 constraints. Problems are: Problem set: 0 solved, 136 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 330/330 variables, and 391 constraints, problems are : Problem set: 0 solved, 136 unsolved in 30018 ms.
Refiners :[Positive P Invariants (semi-flows): 33/33 constraints, Generalized P Invariants (flows): 25/25 constraints, State Equation: 193/193 constraints, PredecessorRefiner: 136/136 constraints, Known Traps: 4/4 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 43167ms problems are : Problem set: 0 solved, 136 unsolved
Search for dead transitions found 0 dead transitions in 43168ms
Finished structural reductions in LTL mode , in 1 iterations and 43735 ms. Remains : 193/193 places, 137/137 transitions.
Stuttering acceptance computed with spot in 199 ms :[(AND (NOT p0) (NOT p3)), (AND (NOT p0) (NOT p3)), (NOT p3), (AND p1 (NOT p3))]
Running random walk in product with property : DES-PT-20a-LTLFireability-11
Product exploration explored 100000 steps with 24982 reset in 547 ms.
Product exploration explored 100000 steps with 24964 reset in 501 ms.
Computed a total of 96 stabilizing places and 91 stable transitions
Computed a total of 96 stabilizing places and 91 stable transitions
Detected a total of 96/193 stabilizing places and 91/137 transitions leading to convergence knowledge of the form 'F(Gp|G!p)' for 1/4 atomic propositions.
Knowledge obtained : [(AND (NOT p3) (NOT p0) (NOT p2) (NOT p1)), (X (NOT p2)), (X (NOT p3)), (X (AND (NOT p3) (NOT p0) (NOT p2))), (X (NOT (AND (NOT p3) (NOT p0) p2))), (X (NOT p0)), (X (X (NOT p2))), (X (X (NOT (AND (NOT p3) p0 (NOT p1))))), (X (X (NOT p3))), (X (X (AND (NOT p3) (NOT p0) (NOT p2)))), (X (X (NOT (AND (NOT p3) (NOT p0) p2)))), (X (X (NOT (AND (NOT p3) p1)))), (X (X (NOT p0))), (X (X (NOT p1))), (F (OR (G p0) (G (NOT p0))))]
False Knowledge obtained : []
Knowledge based reduction with 15 factoid took 131 ms. Reduced automaton from 4 states, 7 edges and 4 AP (stutter sensitive) to 4 states, 7 edges and 4 AP (stutter sensitive).
Stuttering acceptance computed with spot in 160 ms :[(AND (NOT p0) (NOT p3)), (AND (NOT p0) (NOT p3)), (NOT p3), (AND p1 (NOT p3))]
RANDOM walk for 40000 steps (884 resets) in 175 ms. (227 steps per ms) remains 4/8 properties
BEST_FIRST walk for 40003 steps (250 resets) in 110 ms. (360 steps per ms) remains 4/4 properties
BEST_FIRST walk for 40004 steps (248 resets) in 89 ms. (444 steps per ms) remains 4/4 properties
BEST_FIRST walk for 40004 steps (180 resets) in 71 ms. (555 steps per ms) remains 4/4 properties
BEST_FIRST walk for 40003 steps (199 resets) in 133 ms. (298 steps per ms) remains 4/4 properties
[2025-05-31 13:08:02] [INFO ] Invariant cache hit.
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
All remaining problems are real, not stopping.
At refinement iteration 0 (INCLUDED_ONLY) 0/11 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 1 (OVERLAPS) 10/21 variables, 6/6 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/21 variables, 0/6 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 3 (OVERLAPS) 62/83 variables, 27/33 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/83 variables, 0/33 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 5 (OVERLAPS) 85/168 variables, 24/57 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/168 variables, 0/57 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 7 (OVERLAPS) 3/171 variables, 1/58 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/171 variables, 0/58 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 9 (OVERLAPS) 136/307 variables, 171/229 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/307 variables, 0/229 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 11 (OVERLAPS) 23/330 variables, 22/251 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 12 (INCLUDED_ONLY) 0/330 variables, 0/251 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 13 (OVERLAPS) 0/330 variables, 0/251 constraints. Problems are: Problem set: 0 solved, 4 unsolved
No progress, stopping.
After SMT solving in domain Real declared 330/330 variables, and 251 constraints, problems are : Problem set: 0 solved, 4 unsolved in 415 ms.
Refiners :[Positive P Invariants (semi-flows): 33/33 constraints, Generalized P Invariants (flows): 25/25 constraints, State Equation: 193/193 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 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: 0 solved, 4 unsolved
At refinement iteration 1 (OVERLAPS) 10/21 variables, 6/6 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/21 variables, 0/6 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 3 (OVERLAPS) 62/83 variables, 27/33 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/83 variables, 0/33 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 5 (OVERLAPS) 85/168 variables, 24/57 constraints. Problems are: Problem set: 0 solved, 4 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 13:08:03] [INFO ] Deduced a trap composed of 10 places in 75 ms of which 9 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 13:08:03] [INFO ] Deduced a trap composed of 12 places in 66 ms of which 7 ms to minimize.
At refinement iteration 6 (INCLUDED_ONLY) 0/168 variables, 2/59 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/168 variables, 0/59 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 8 (OVERLAPS) 3/171 variables, 1/60 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/171 variables, 0/60 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 10 (OVERLAPS) 136/307 variables, 171/231 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/307 variables, 1/232 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 12 (INCLUDED_ONLY) 0/307 variables, 0/232 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 13 (OVERLAPS) 23/330 variables, 22/254 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 14 (INCLUDED_ONLY) 0/330 variables, 3/257 constraints. Problems are: Problem set: 0 solved, 4 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 13:08:05] [INFO ] Deduced a trap composed of 12 places in 73 ms of which 9 ms to minimize.
At refinement iteration 15 (INCLUDED_ONLY) 0/330 variables, 1/258 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 16 (INCLUDED_ONLY) 0/330 variables, 0/258 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 17 (OVERLAPS) 0/330 variables, 0/258 constraints. Problems are: Problem set: 0 solved, 4 unsolved
No progress, stopping.
After SMT solving in domain Int declared 330/330 variables, and 258 constraints, problems are : Problem set: 0 solved, 4 unsolved in 4161 ms.
Refiners :[Positive P Invariants (semi-flows): 33/33 constraints, Generalized P Invariants (flows): 25/25 constraints, State Equation: 193/193 constraints, PredecessorRefiner: 4/4 constraints, Known Traps: 3/3 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 4583ms problems are : Problem set: 0 solved, 4 unsolved
Fused 4 Parikh solutions to 3 different solutions.
Parikh walk visited 0 properties in 5249 ms.
Support contains 11 out of 193 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 193/193 places, 137/137 transitions.
Drop transitions (Empty/Sink Transition effects.) removed 1 transitions
Reduce isomorphic transitions removed 1 transitions.
Iterating post reduction 0 with 1 rules applied. Total rules applied 1 place count 193 transition count 136
Partial Free-agglomeration rule applied 4 times.
Drop transitions (Partial Free agglomeration) removed 4 transitions
Iterating global reduction 1 with 4 rules applied. Total rules applied 5 place count 193 transition count 136
Applied a total of 5 rules in 10 ms. Remains 193 /193 variables (removed 0) and now considering 136/137 (removed 1) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 10 ms. Remains : 193/193 places, 136/137 transitions.
RANDOM walk for 40000 steps (650 resets) in 173 ms. (229 steps per ms) remains 4/4 properties
BEST_FIRST walk for 40001 steps (291 resets) in 102 ms. (388 steps per ms) remains 4/4 properties
BEST_FIRST walk for 40004 steps (285 resets) in 86 ms. (459 steps per ms) remains 4/4 properties
BEST_FIRST walk for 40003 steps (123 resets) in 72 ms. (547 steps per ms) remains 4/4 properties
BEST_FIRST walk for 40004 steps (154 resets) in 90 ms. (439 steps per ms) remains 4/4 properties
Interrupted probabilistic random walk after 666674 steps, run timeout after 3001 ms. (steps per millisecond=222 ) properties seen :0 out of 4
Probabilistic random walk after 666674 steps, saw 92906 distinct states, run finished after 3001 ms. (steps per millisecond=222 ) properties seen :0
// Phase 1: matrix 136 rows 193 cols
[2025-05-31 13:08:16] [INFO ] Computed 59 invariants in 2 ms
[2025-05-31 13:08:16] [INFO ] State equation strengthened by 2 read => feed constraints.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
All remaining problems are real, not stopping.
At refinement iteration 0 (INCLUDED_ONLY) 0/11 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 1 (OVERLAPS) 10/21 variables, 6/6 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/21 variables, 0/6 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 3 (OVERLAPS) 65/86 variables, 28/34 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/86 variables, 0/34 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 5 (OVERLAPS) 85/171 variables, 24/58 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/171 variables, 0/58 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 7 (OVERLAPS) 3/174 variables, 1/59 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/174 variables, 0/59 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 9 (OVERLAPS) 136/310 variables, 174/233 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/310 variables, 2/235 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/310 variables, 0/235 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 12 (OVERLAPS) 19/329 variables, 19/254 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 13 (INCLUDED_ONLY) 0/329 variables, 0/254 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 14 (OVERLAPS) 0/329 variables, 0/254 constraints. Problems are: Problem set: 0 solved, 4 unsolved
No progress, stopping.
After SMT solving in domain Real declared 329/329 variables, and 254 constraints, problems are : Problem set: 0 solved, 4 unsolved in 492 ms.
Refiners :[Positive P Invariants (semi-flows): 34/34 constraints, Generalized P Invariants (flows): 25/25 constraints, State Equation: 193/193 constraints, ReadFeed: 2/2 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) 0/11 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 1 (OVERLAPS) 10/21 variables, 6/6 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/21 variables, 0/6 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 3 (OVERLAPS) 65/86 variables, 28/34 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/86 variables, 0/34 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 5 (OVERLAPS) 85/171 variables, 24/58 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/171 variables, 0/58 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 7 (OVERLAPS) 3/174 variables, 1/59 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/174 variables, 0/59 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 9 (OVERLAPS) 136/310 variables, 174/233 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/310 variables, 2/235 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/310 variables, 1/236 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 12 (INCLUDED_ONLY) 0/310 variables, 0/236 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 13 (OVERLAPS) 19/329 variables, 19/255 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 14 (INCLUDED_ONLY) 0/329 variables, 3/258 constraints. Problems are: Problem set: 0 solved, 4 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 13:08:17] [INFO ] Deduced a trap composed of 12 places in 83 ms of which 9 ms to minimize.
At refinement iteration 15 (INCLUDED_ONLY) 0/329 variables, 1/259 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 16 (INCLUDED_ONLY) 0/329 variables, 0/259 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 17 (OVERLAPS) 0/329 variables, 0/259 constraints. Problems are: Problem set: 0 solved, 4 unsolved
No progress, stopping.
After SMT solving in domain Int declared 329/329 variables, and 259 constraints, problems are : Problem set: 0 solved, 4 unsolved in 3666 ms.
Refiners :[Positive P Invariants (semi-flows): 34/34 constraints, Generalized P Invariants (flows): 25/25 constraints, State Equation: 193/193 constraints, ReadFeed: 2/2 constraints, PredecessorRefiner: 4/4 constraints, Known Traps: 1/1 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 4168ms problems are : Problem set: 0 solved, 4 unsolved
Fused 4 Parikh solutions to 2 different solutions.
Parikh walk visited 0 properties in 3204 ms.
Support contains 11 out of 193 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 193/193 places, 136/136 transitions.
Applied a total of 0 rules in 5 ms. Remains 193 /193 variables (removed 0) and now considering 136/136 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 5 ms. Remains : 193/193 places, 136/136 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 193/193 places, 136/136 transitions.
Applied a total of 0 rules in 4 ms. Remains 193 /193 variables (removed 0) and now considering 136/136 (removed 0) transitions.
[2025-05-31 13:08:23] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-05-31 13:08:23] [INFO ] Implicit Places using invariants in 291 ms returned []
[2025-05-31 13:08:23] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-05-31 13:08:23] [INFO ] State equation strengthened by 2 read => feed constraints.
[2025-05-31 13:08:24] [INFO ] Implicit Places using invariants and state equation in 525 ms returned []
Implicit Place search using SMT with State Equation took 818 ms to find 0 implicit places.
Starting Z3 with timeout 200.0 s and query timeout 20000.0 ms
[2025-05-31 13:08:24] [INFO ] Redundant transitions in 0 ms returned []
Running 135 sub problems to find dead transitions.
[2025-05-31 13:08:24] [INFO ] Invariant cache hit.
[2025-05-31 13:08:24] [INFO ] State equation strengthened by 2 read => feed constraints.
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
All remaining problems are real, not stopping.
At refinement iteration 0 (INCLUDED_ONLY) 0/192 variables, 13/13 constraints. Problems are: Problem set: 0 solved, 135 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/192 variables, 0/13 constraints. Problems are: Problem set: 0 solved, 135 unsolved
At refinement iteration 2 (OVERLAPS) 1/193 variables, 34/47 constraints. Problems are: Problem set: 0 solved, 135 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/193 variables, 12/59 constraints. Problems are: Problem set: 0 solved, 135 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/193 variables, 0/59 constraints. Problems are: Problem set: 0 solved, 135 unsolved
At refinement iteration 5 (OVERLAPS) 136/329 variables, 193/252 constraints. Problems are: Problem set: 0 solved, 135 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/329 variables, 2/254 constraints. Problems are: Problem set: 0 solved, 135 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 13:08:27] [INFO ] Deduced a trap composed of 12 places in 63 ms of which 8 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 13:08:28] [INFO ] Deduced a trap composed of 7 places in 52 ms of which 5 ms to minimize.
At refinement iteration 7 (INCLUDED_ONLY) 0/329 variables, 2/256 constraints. Problems are: Problem set: 0 solved, 135 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 13:08:30] [INFO ] Deduced a trap composed of 16 places in 102 ms of which 13 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 13:08:30] [INFO ] Deduced a trap composed of 17 places in 104 ms of which 16 ms to minimize.
At refinement iteration 8 (INCLUDED_ONLY) 0/329 variables, 2/258 constraints. Problems are: Problem set: 0 solved, 135 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 13:08:32] [INFO ] Deduced a trap composed of 11 places in 77 ms of which 7 ms to minimize.
At refinement iteration 9 (INCLUDED_ONLY) 0/329 variables, 1/259 constraints. Problems are: Problem set: 0 solved, 135 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/329 variables, 0/259 constraints. Problems are: Problem set: 0 solved, 135 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 13:08:38] [INFO ] Deduced a trap along path composed of 18 places in 69 ms of which 2 ms to minimize.
At refinement iteration 11 (OVERLAPS) 0/329 variables, 1/260 constraints. Problems are: Problem set: 0 solved, 135 unsolved
At refinement iteration 12 (INCLUDED_ONLY) 0/329 variables, 0/260 constraints. Problems are: Problem set: 0 solved, 135 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 13:08:43] [INFO ] Deduced a trap composed of 8 places in 56 ms of which 5 ms to minimize.
At refinement iteration 13 (OVERLAPS) 0/329 variables, 1/261 constraints. Problems are: Problem set: 0 solved, 135 unsolved
At refinement iteration 14 (INCLUDED_ONLY) 0/329 variables, 0/261 constraints. Problems are: Problem set: 0 solved, 135 unsolved
At refinement iteration 15 (OVERLAPS) 0/329 variables, 0/261 constraints. Problems are: Problem set: 0 solved, 135 unsolved
No progress, stopping.
After SMT solving in domain Real declared 329/329 variables, and 261 constraints, problems are : Problem set: 0 solved, 135 unsolved in 25976 ms.
Refiners :[Positive P Invariants (semi-flows): 34/34 constraints, Generalized P Invariants (flows): 25/25 constraints, State Equation: 193/193 constraints, ReadFeed: 2/2 constraints, PredecessorRefiner: 135/135 constraints, Known Traps: 6/6 constraints, Known Traps Along Path: 1/1 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) 0/192 variables, 13/13 constraints. Problems are: Problem set: 0 solved, 135 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/192 variables, 0/13 constraints. Problems are: Problem set: 0 solved, 135 unsolved
At refinement iteration 2 (OVERLAPS) 1/193 variables, 34/47 constraints. Problems are: Problem set: 0 solved, 135 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/193 variables, 12/59 constraints. Problems are: Problem set: 0 solved, 135 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/193 variables, 6/65 constraints. Problems are: Problem set: 0 solved, 135 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/193 variables, 0/65 constraints. Problems are: Problem set: 0 solved, 135 unsolved
At refinement iteration 6 (OVERLAPS) 136/329 variables, 193/258 constraints. Problems are: Problem set: 0 solved, 135 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/329 variables, 2/260 constraints. Problems are: Problem set: 0 solved, 135 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/329 variables, 135/395 constraints. Problems are: Problem set: 0 solved, 135 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/329 variables, 1/396 constraints. Problems are: Problem set: 0 solved, 135 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 329/329 variables, and 396 constraints, problems are : Problem set: 0 solved, 135 unsolved in 30011 ms.
Refiners :[Positive P Invariants (semi-flows): 34/34 constraints, Generalized P Invariants (flows): 25/25 constraints, State Equation: 193/193 constraints, ReadFeed: 2/2 constraints, PredecessorRefiner: 135/135 constraints, Known Traps: 6/6 constraints, Known Traps Along Path: 1/1 constraints]
After SMT, in 56025ms problems are : Problem set: 0 solved, 135 unsolved
Search for dead transitions found 0 dead transitions in 56026ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 56855 ms. Remains : 193/193 places, 136/136 transitions.
Attempting over-approximation, by ignoring read arcs.
Applied a total of 0 rules in 5 ms. Remains 193 /193 variables (removed 0) and now considering 136/136 (removed 0) transitions.
Running SMT prover for 4 properties.
[2025-05-31 13:09:20] [INFO ] Invariant cache hit.
Starting Z3 with timeout 450.0 s and query timeout 45000.0 ms
[2025-05-31 13:09:20] [INFO ] [Real]Absence check using 34 positive place invariants in 10 ms returned sat
[2025-05-31 13:09:20] [INFO ] [Real]Absence check using 34 positive and 25 generalized place invariants in 17 ms returned sat
[2025-05-31 13:09:20] [INFO ] After 124ms 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
[2025-05-31 13:09:20] [INFO ] [Nat]Absence check using 34 positive place invariants in 11 ms returned sat
[2025-05-31 13:09:20] [INFO ] [Nat]Absence check using 34 positive and 25 generalized place invariants in 17 ms returned sat
[2025-05-31 13:09:20] [INFO ] After 319ms SMT Verify possible using state equation in natural domain returned unsat :0 sat :4
TRAPS : Iteration 0
[2025-05-31 13:09:21] [INFO ] After 546ms SMT Verify possible using trap constraints in natural domain returned unsat :0 sat :4
[2025-05-31 13:09:21] [INFO ] After 873ms SMT Verify possible using all constraints in natural domain returned unsat :0 sat :4
Over-approximation ignoring read arcs solved 0 properties in 1008 ms.
Knowledge obtained : [(AND (NOT p3) (NOT p0) (NOT p2) (NOT p1)), (X (NOT p2)), (X (NOT p3)), (X (AND (NOT p3) (NOT p0) (NOT p2))), (X (NOT (AND (NOT p3) (NOT p0) p2))), (X (NOT p0)), (X (X (NOT p2))), (X (X (NOT (AND (NOT p3) p0 (NOT p1))))), (X (X (NOT p3))), (X (X (AND (NOT p3) (NOT p0) (NOT p2)))), (X (X (NOT (AND (NOT p3) (NOT p0) p2)))), (X (X (NOT (AND (NOT p3) p1)))), (X (X (NOT p0))), (X (X (NOT p1))), (F (OR (G p0) (G (NOT p0))))]
False Knowledge obtained : [(F (NOT (OR p3 (NOT p1)))), (F p1), (F (NOT (AND (NOT p0) (NOT p2) (NOT p3)))), (F p3)]
Knowledge based reduction with 15 factoid took 272 ms. Reduced automaton from 4 states, 7 edges and 4 AP (stutter sensitive) to 4 states, 7 edges and 4 AP (stutter sensitive).
Stuttering acceptance computed with spot in 159 ms :[(AND (NOT p0) (NOT p3)), (AND (NOT p0) (NOT p3)), (NOT p3), (AND p1 (NOT p3))]
Stuttering acceptance computed with spot in 155 ms :[(AND (NOT p0) (NOT p3)), (AND (NOT p0) (NOT p3)), (NOT p3), (AND p1 (NOT p3))]
// Phase 1: matrix 137 rows 193 cols
[2025-05-31 13:09:21] [INFO ] Computed 58 invariants in 1 ms
Starting Z3 with timeout 15.0 s and query timeout 1500.0 ms
[2025-05-31 13:09:22] [INFO ] [Real]Absence check using 33 positive place invariants in 14 ms returned sat
[2025-05-31 13:09:22] [INFO ] [Real]Absence check using 33 positive and 25 generalized place invariants in 28 ms returned sat
[2025-05-31 13:09:22] [INFO ] [Real]Absence check using state equation in 504 ms returned sat
[2025-05-31 13:09:22] [INFO ] Solution in real domain found non-integer solution.
Starting Z3 with timeout 15.0 s and query timeout 1500.0 ms
[2025-05-31 13:09:22] [INFO ] [Nat]Absence check using 33 positive place invariants in 14 ms returned sat
[2025-05-31 13:09:22] [INFO ] [Nat]Absence check using 33 positive and 25 generalized place invariants in 23 ms returned sat
[2025-05-31 13:09:23] [INFO ] [Nat]Absence check using state equation in 1063 ms returned sat
[2025-05-31 13:09:23] [INFO ] Computed and/alt/rep : 129/387/129 causal constraints (skipped 7 transitions) in 12 ms.
[2025-05-31 13:09:24] [INFO ] Added : 107 causal constraints over 22 iterations in 1143 ms. Result :sat
Could not prove EG (AND (NOT p0) (NOT p3))
Support contains 11 out of 193 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 193/193 places, 137/137 transitions.
Applied a total of 0 rules in 3 ms. Remains 193 /193 variables (removed 0) and now considering 137/137 (removed 0) transitions.
[2025-05-31 13:09:24] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-05-31 13:09:25] [INFO ] Implicit Places using invariants in 322 ms returned []
[2025-05-31 13:09:25] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-05-31 13:09:25] [INFO ] Implicit Places using invariants and state equation in 523 ms returned []
Implicit Place search using SMT with State Equation took 847 ms to find 0 implicit places.
Running 136 sub problems to find dead transitions.
[2025-05-31 13:09:25] [INFO ] Invariant cache hit.
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
All remaining problems are real, not stopping.
At refinement iteration 0 (INCLUDED_ONLY) 0/192 variables, 12/12 constraints. Problems are: Problem set: 0 solved, 136 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/192 variables, 0/12 constraints. Problems are: Problem set: 0 solved, 136 unsolved
At refinement iteration 2 (OVERLAPS) 1/193 variables, 33/45 constraints. Problems are: Problem set: 0 solved, 136 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/193 variables, 13/58 constraints. Problems are: Problem set: 0 solved, 136 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 13:09:27] [INFO ] Deduced a trap composed of 12 places in 60 ms of which 9 ms to minimize.
At refinement iteration 4 (INCLUDED_ONLY) 0/193 variables, 1/59 constraints. Problems are: Problem set: 0 solved, 136 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/193 variables, 0/59 constraints. Problems are: Problem set: 0 solved, 136 unsolved
At refinement iteration 6 (OVERLAPS) 137/330 variables, 193/252 constraints. Problems are: Problem set: 0 solved, 136 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 13:09:30] [INFO ] Deduced a trap composed of 17 places in 102 ms of which 15 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 13:09:31] [INFO ] Deduced a trap composed of 10 places in 54 ms of which 4 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 13:09:31] [INFO ] Deduced a trap composed of 12 places in 52 ms of which 5 ms to minimize.
At refinement iteration 7 (INCLUDED_ONLY) 0/330 variables, 3/255 constraints. Problems are: Problem set: 0 solved, 136 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/330 variables, 0/255 constraints. Problems are: Problem set: 0 solved, 136 unsolved
At refinement iteration 9 (OVERLAPS) 0/330 variables, 0/255 constraints. Problems are: Problem set: 0 solved, 136 unsolved
No progress, stopping.
After SMT solving in domain Real declared 330/330 variables, and 255 constraints, problems are : Problem set: 0 solved, 136 unsolved in 13292 ms.
Refiners :[Positive P Invariants (semi-flows): 33/33 constraints, Generalized P Invariants (flows): 25/25 constraints, State Equation: 193/193 constraints, PredecessorRefiner: 136/136 constraints, Known Traps: 4/4 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 136 unsolved
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/192 variables, 12/12 constraints. Problems are: Problem set: 0 solved, 136 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/192 variables, 0/12 constraints. Problems are: Problem set: 0 solved, 136 unsolved
At refinement iteration 2 (OVERLAPS) 1/193 variables, 33/45 constraints. Problems are: Problem set: 0 solved, 136 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/193 variables, 13/58 constraints. Problems are: Problem set: 0 solved, 136 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/193 variables, 4/62 constraints. Problems are: Problem set: 0 solved, 136 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/193 variables, 0/62 constraints. Problems are: Problem set: 0 solved, 136 unsolved
At refinement iteration 6 (OVERLAPS) 137/330 variables, 193/255 constraints. Problems are: Problem set: 0 solved, 136 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/330 variables, 136/391 constraints. Problems are: Problem set: 0 solved, 136 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 330/330 variables, and 391 constraints, problems are : Problem set: 0 solved, 136 unsolved in 30011 ms.
Refiners :[Positive P Invariants (semi-flows): 33/33 constraints, Generalized P Invariants (flows): 25/25 constraints, State Equation: 193/193 constraints, PredecessorRefiner: 136/136 constraints, Known Traps: 4/4 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 43341ms problems are : Problem set: 0 solved, 136 unsolved
Search for dead transitions found 0 dead transitions in 43342ms
Finished structural reductions in LTL mode , in 1 iterations and 44192 ms. Remains : 193/193 places, 137/137 transitions.
Computed a total of 96 stabilizing places and 91 stable transitions
Computed a total of 96 stabilizing places and 91 stable transitions
Detected a total of 96/193 stabilizing places and 91/137 transitions leading to convergence knowledge of the form 'F(Gp|G!p)' for 1/4 atomic propositions.
Knowledge obtained : [(AND (NOT p0) (NOT p2) (NOT p3) (NOT p1)), (X (AND (NOT p0) (NOT p2) (NOT p3))), (X (NOT p2)), (X (NOT p3)), (X (NOT (AND (NOT p0) p2 (NOT p3)))), (X (NOT p0)), (X (X (AND (NOT p0) (NOT p2) (NOT p3)))), (X (X (NOT p2))), (X (X (NOT p3))), (X (X (NOT (AND (NOT p3) p1)))), (X (X (NOT (AND (NOT p0) p2 (NOT p3))))), (X (X (NOT p0))), (X (X (NOT p1))), (X (X (NOT (AND p0 (NOT p3) (NOT p1))))), (F (OR (G p0) (G (NOT p0))))]
False Knowledge obtained : []
Knowledge based reduction with 15 factoid took 136 ms. Reduced automaton from 4 states, 7 edges and 4 AP (stutter sensitive) to 4 states, 7 edges and 4 AP (stutter sensitive).
Stuttering acceptance computed with spot in 166 ms :[(AND (NOT p0) (NOT p3)), (AND (NOT p0) (NOT p3)), (NOT p3), (AND p1 (NOT p3))]
RANDOM walk for 40000 steps (900 resets) in 190 ms. (209 steps per ms) remains 4/8 properties
BEST_FIRST walk for 40002 steps (253 resets) in 100 ms. (396 steps per ms) remains 4/4 properties
BEST_FIRST walk for 40003 steps (252 resets) in 72 ms. (547 steps per ms) remains 4/4 properties
BEST_FIRST walk for 40004 steps (185 resets) in 75 ms. (526 steps per ms) remains 4/4 properties
BEST_FIRST walk for 40004 steps (194 resets) in 80 ms. (493 steps per ms) remains 4/4 properties
[2025-05-31 13:10:09] [INFO ] Invariant cache hit.
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
All remaining problems are real, not stopping.
At refinement iteration 0 (INCLUDED_ONLY) 0/11 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 1 (OVERLAPS) 10/21 variables, 6/6 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/21 variables, 0/6 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 3 (OVERLAPS) 62/83 variables, 27/33 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/83 variables, 0/33 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 5 (OVERLAPS) 85/168 variables, 24/57 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/168 variables, 0/57 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 7 (OVERLAPS) 3/171 variables, 1/58 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/171 variables, 0/58 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 9 (OVERLAPS) 136/307 variables, 171/229 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/307 variables, 0/229 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 11 (OVERLAPS) 23/330 variables, 22/251 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 12 (INCLUDED_ONLY) 0/330 variables, 0/251 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 13 (OVERLAPS) 0/330 variables, 0/251 constraints. Problems are: Problem set: 0 solved, 4 unsolved
No progress, stopping.
After SMT solving in domain Real declared 330/330 variables, and 251 constraints, problems are : Problem set: 0 solved, 4 unsolved in 510 ms.
Refiners :[Positive P Invariants (semi-flows): 33/33 constraints, Generalized P Invariants (flows): 25/25 constraints, State Equation: 193/193 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 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: 0 solved, 4 unsolved
At refinement iteration 1 (OVERLAPS) 10/21 variables, 6/6 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/21 variables, 0/6 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 3 (OVERLAPS) 62/83 variables, 27/33 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/83 variables, 0/33 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 5 (OVERLAPS) 85/168 variables, 24/57 constraints. Problems are: Problem set: 0 solved, 4 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 13:10:10] [INFO ] Deduced a trap composed of 10 places in 54 ms of which 8 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 13:10:10] [INFO ] Deduced a trap composed of 12 places in 61 ms of which 7 ms to minimize.
At refinement iteration 6 (INCLUDED_ONLY) 0/168 variables, 2/59 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/168 variables, 0/59 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 8 (OVERLAPS) 3/171 variables, 1/60 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/171 variables, 0/60 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 10 (OVERLAPS) 136/307 variables, 171/231 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/307 variables, 1/232 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 12 (INCLUDED_ONLY) 0/307 variables, 0/232 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 13 (OVERLAPS) 23/330 variables, 22/254 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 14 (INCLUDED_ONLY) 0/330 variables, 3/257 constraints. Problems are: Problem set: 0 solved, 4 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 13:10:11] [INFO ] Deduced a trap composed of 12 places in 121 ms of which 15 ms to minimize.
At refinement iteration 15 (INCLUDED_ONLY) 0/330 variables, 1/258 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 16 (INCLUDED_ONLY) 0/330 variables, 0/258 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 17 (OVERLAPS) 0/330 variables, 0/258 constraints. Problems are: Problem set: 0 solved, 4 unsolved
No progress, stopping.
After SMT solving in domain Int declared 330/330 variables, and 258 constraints, problems are : Problem set: 0 solved, 4 unsolved in 3514 ms.
Refiners :[Positive P Invariants (semi-flows): 33/33 constraints, Generalized P Invariants (flows): 25/25 constraints, State Equation: 193/193 constraints, PredecessorRefiner: 4/4 constraints, Known Traps: 3/3 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 4032ms problems are : Problem set: 0 solved, 4 unsolved
Fused 4 Parikh solutions to 3 different solutions.
Parikh walk visited 0 properties in 4851 ms.
Support contains 11 out of 193 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 193/193 places, 137/137 transitions.
Drop transitions (Empty/Sink Transition effects.) removed 1 transitions
Reduce isomorphic transitions removed 1 transitions.
Iterating post reduction 0 with 1 rules applied. Total rules applied 1 place count 193 transition count 136
Partial Free-agglomeration rule applied 4 times.
Drop transitions (Partial Free agglomeration) removed 4 transitions
Iterating global reduction 1 with 4 rules applied. Total rules applied 5 place count 193 transition count 136
Applied a total of 5 rules in 10 ms. Remains 193 /193 variables (removed 0) and now considering 136/137 (removed 1) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 11 ms. Remains : 193/193 places, 136/137 transitions.
RANDOM walk for 40000 steps (676 resets) in 181 ms. (219 steps per ms) remains 4/4 properties
BEST_FIRST walk for 40004 steps (290 resets) in 103 ms. (384 steps per ms) remains 4/4 properties
BEST_FIRST walk for 40004 steps (289 resets) in 98 ms. (404 steps per ms) remains 4/4 properties
BEST_FIRST walk for 40003 steps (111 resets) in 68 ms. (579 steps per ms) remains 4/4 properties
BEST_FIRST walk for 40004 steps (147 resets) in 65 ms. (606 steps per ms) remains 4/4 properties
Interrupted probabilistic random walk after 674424 steps, run timeout after 3001 ms. (steps per millisecond=224 ) properties seen :0 out of 4
Probabilistic random walk after 674424 steps, saw 93807 distinct states, run finished after 3001 ms. (steps per millisecond=224 ) properties seen :0
// Phase 1: matrix 136 rows 193 cols
[2025-05-31 13:10:21] [INFO ] Computed 59 invariants in 2 ms
[2025-05-31 13:10:21] [INFO ] State equation strengthened by 2 read => feed constraints.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
All remaining problems are real, not stopping.
At refinement iteration 0 (INCLUDED_ONLY) 0/11 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 1 (OVERLAPS) 10/21 variables, 6/6 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/21 variables, 0/6 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 3 (OVERLAPS) 65/86 variables, 28/34 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/86 variables, 0/34 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 5 (OVERLAPS) 85/171 variables, 24/58 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/171 variables, 0/58 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 7 (OVERLAPS) 3/174 variables, 1/59 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/174 variables, 0/59 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 9 (OVERLAPS) 136/310 variables, 174/233 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/310 variables, 2/235 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/310 variables, 0/235 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 12 (OVERLAPS) 19/329 variables, 19/254 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 13 (INCLUDED_ONLY) 0/329 variables, 0/254 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 14 (OVERLAPS) 0/329 variables, 0/254 constraints. Problems are: Problem set: 0 solved, 4 unsolved
No progress, stopping.
After SMT solving in domain Real declared 329/329 variables, and 254 constraints, problems are : Problem set: 0 solved, 4 unsolved in 483 ms.
Refiners :[Positive P Invariants (semi-flows): 34/34 constraints, Generalized P Invariants (flows): 25/25 constraints, State Equation: 193/193 constraints, ReadFeed: 2/2 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) 0/11 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 1 (OVERLAPS) 10/21 variables, 6/6 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/21 variables, 0/6 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 3 (OVERLAPS) 65/86 variables, 28/34 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/86 variables, 0/34 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 5 (OVERLAPS) 85/171 variables, 24/58 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/171 variables, 0/58 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 7 (OVERLAPS) 3/174 variables, 1/59 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/174 variables, 0/59 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 9 (OVERLAPS) 136/310 variables, 174/233 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/310 variables, 2/235 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/310 variables, 1/236 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 12 (INCLUDED_ONLY) 0/310 variables, 0/236 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 13 (OVERLAPS) 19/329 variables, 19/255 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 14 (INCLUDED_ONLY) 0/329 variables, 3/258 constraints. Problems are: Problem set: 0 solved, 4 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 13:10:23] [INFO ] Deduced a trap composed of 12 places in 98 ms of which 10 ms to minimize.
At refinement iteration 15 (INCLUDED_ONLY) 0/329 variables, 1/259 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 16 (INCLUDED_ONLY) 0/329 variables, 0/259 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 17 (OVERLAPS) 0/329 variables, 0/259 constraints. Problems are: Problem set: 0 solved, 4 unsolved
No progress, stopping.
After SMT solving in domain Int declared 329/329 variables, and 259 constraints, problems are : Problem set: 0 solved, 4 unsolved in 3372 ms.
Refiners :[Positive P Invariants (semi-flows): 34/34 constraints, Generalized P Invariants (flows): 25/25 constraints, State Equation: 193/193 constraints, ReadFeed: 2/2 constraints, PredecessorRefiner: 4/4 constraints, Known Traps: 1/1 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 3861ms problems are : Problem set: 0 solved, 4 unsolved
Fused 4 Parikh solutions to 2 different solutions.
Parikh walk visited 0 properties in 3026 ms.
Support contains 11 out of 193 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 193/193 places, 136/136 transitions.
Applied a total of 0 rules in 4 ms. Remains 193 /193 variables (removed 0) and now considering 136/136 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 5 ms. Remains : 193/193 places, 136/136 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 193/193 places, 136/136 transitions.
Applied a total of 0 rules in 3 ms. Remains 193 /193 variables (removed 0) and now considering 136/136 (removed 0) transitions.
[2025-05-31 13:10:28] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-05-31 13:10:28] [INFO ] Implicit Places using invariants in 234 ms returned []
[2025-05-31 13:10:28] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-05-31 13:10:29] [INFO ] State equation strengthened by 2 read => feed constraints.
[2025-05-31 13:10:29] [INFO ] Implicit Places using invariants and state equation in 387 ms returned []
Implicit Place search using SMT with State Equation took 622 ms to find 0 implicit places.
Starting Z3 with timeout 200.0 s and query timeout 20000.0 ms
[2025-05-31 13:10:29] [INFO ] Redundant transitions in 0 ms returned []
Running 135 sub problems to find dead transitions.
[2025-05-31 13:10:29] [INFO ] Invariant cache hit.
[2025-05-31 13:10:29] [INFO ] State equation strengthened by 2 read => feed constraints.
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
All remaining problems are real, not stopping.
At refinement iteration 0 (INCLUDED_ONLY) 0/192 variables, 13/13 constraints. Problems are: Problem set: 0 solved, 135 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/192 variables, 0/13 constraints. Problems are: Problem set: 0 solved, 135 unsolved
At refinement iteration 2 (OVERLAPS) 1/193 variables, 34/47 constraints. Problems are: Problem set: 0 solved, 135 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/193 variables, 12/59 constraints. Problems are: Problem set: 0 solved, 135 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/193 variables, 0/59 constraints. Problems are: Problem set: 0 solved, 135 unsolved
At refinement iteration 5 (OVERLAPS) 136/329 variables, 193/252 constraints. Problems are: Problem set: 0 solved, 135 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/329 variables, 2/254 constraints. Problems are: Problem set: 0 solved, 135 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 13:10:31] [INFO ] Deduced a trap composed of 12 places in 86 ms of which 11 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 13:10:32] [INFO ] Deduced a trap composed of 7 places in 48 ms of which 4 ms to minimize.
At refinement iteration 7 (INCLUDED_ONLY) 0/329 variables, 2/256 constraints. Problems are: Problem set: 0 solved, 135 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 13:10:35] [INFO ] Deduced a trap composed of 16 places in 106 ms of which 13 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 13:10:35] [INFO ] Deduced a trap composed of 17 places in 111 ms of which 14 ms to minimize.
At refinement iteration 8 (INCLUDED_ONLY) 0/329 variables, 2/258 constraints. Problems are: Problem set: 0 solved, 135 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 13:10:37] [INFO ] Deduced a trap composed of 11 places in 89 ms of which 7 ms to minimize.
At refinement iteration 9 (INCLUDED_ONLY) 0/329 variables, 1/259 constraints. Problems are: Problem set: 0 solved, 135 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/329 variables, 0/259 constraints. Problems are: Problem set: 0 solved, 135 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 13:10:43] [INFO ] Deduced a trap along path composed of 18 places in 78 ms of which 2 ms to minimize.
At refinement iteration 11 (OVERLAPS) 0/329 variables, 1/260 constraints. Problems are: Problem set: 0 solved, 135 unsolved
At refinement iteration 12 (INCLUDED_ONLY) 0/329 variables, 0/260 constraints. Problems are: Problem set: 0 solved, 135 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 13:10:49] [INFO ] Deduced a trap composed of 8 places in 68 ms of which 5 ms to minimize.
At refinement iteration 13 (OVERLAPS) 0/329 variables, 1/261 constraints. Problems are: Problem set: 0 solved, 135 unsolved
At refinement iteration 14 (INCLUDED_ONLY) 0/329 variables, 0/261 constraints. Problems are: Problem set: 0 solved, 135 unsolved
At refinement iteration 15 (OVERLAPS) 0/329 variables, 0/261 constraints. Problems are: Problem set: 0 solved, 135 unsolved
No progress, stopping.
After SMT solving in domain Real declared 329/329 variables, and 261 constraints, problems are : Problem set: 0 solved, 135 unsolved in 28095 ms.
Refiners :[Positive P Invariants (semi-flows): 34/34 constraints, Generalized P Invariants (flows): 25/25 constraints, State Equation: 193/193 constraints, ReadFeed: 2/2 constraints, PredecessorRefiner: 135/135 constraints, Known Traps: 6/6 constraints, Known Traps Along Path: 1/1 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) 0/192 variables, 13/13 constraints. Problems are: Problem set: 0 solved, 135 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/192 variables, 0/13 constraints. Problems are: Problem set: 0 solved, 135 unsolved
At refinement iteration 2 (OVERLAPS) 1/193 variables, 34/47 constraints. Problems are: Problem set: 0 solved, 135 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/193 variables, 12/59 constraints. Problems are: Problem set: 0 solved, 135 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/193 variables, 6/65 constraints. Problems are: Problem set: 0 solved, 135 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/193 variables, 0/65 constraints. Problems are: Problem set: 0 solved, 135 unsolved
At refinement iteration 6 (OVERLAPS) 136/329 variables, 193/258 constraints. Problems are: Problem set: 0 solved, 135 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/329 variables, 2/260 constraints. Problems are: Problem set: 0 solved, 135 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/329 variables, 135/395 constraints. Problems are: Problem set: 0 solved, 135 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/329 variables, 1/396 constraints. Problems are: Problem set: 0 solved, 135 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 329/329 variables, and 396 constraints, problems are : Problem set: 0 solved, 135 unsolved in 30014 ms.
Refiners :[Positive P Invariants (semi-flows): 34/34 constraints, Generalized P Invariants (flows): 25/25 constraints, State Equation: 193/193 constraints, ReadFeed: 2/2 constraints, PredecessorRefiner: 135/135 constraints, Known Traps: 6/6 constraints, Known Traps Along Path: 1/1 constraints]
After SMT, in 58135ms problems are : Problem set: 0 solved, 135 unsolved
Search for dead transitions found 0 dead transitions in 58136ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 58767 ms. Remains : 193/193 places, 136/136 transitions.
Attempting over-approximation, by ignoring read arcs.
Applied a total of 0 rules in 5 ms. Remains 193 /193 variables (removed 0) and now considering 136/136 (removed 0) transitions.
Running SMT prover for 4 properties.
[2025-05-31 13:11:27] [INFO ] Invariant cache hit.
Starting Z3 with timeout 450.0 s and query timeout 45000.0 ms
[2025-05-31 13:11:27] [INFO ] [Real]Absence check using 34 positive place invariants in 14 ms returned sat
[2025-05-31 13:11:27] [INFO ] [Real]Absence check using 34 positive and 25 generalized place invariants in 26 ms returned sat
[2025-05-31 13:11:27] [INFO ] After 172ms 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
[2025-05-31 13:11:27] [INFO ] [Nat]Absence check using 34 positive place invariants in 15 ms returned sat
[2025-05-31 13:11:27] [INFO ] [Nat]Absence check using 34 positive and 25 generalized place invariants in 22 ms returned sat
[2025-05-31 13:11:28] [INFO ] After 486ms SMT Verify possible using state equation in natural domain returned unsat :0 sat :4
TRAPS : Iteration 0
[2025-05-31 13:11:28] [INFO ] After 834ms SMT Verify possible using trap constraints in natural domain returned unsat :0 sat :4
[2025-05-31 13:11:28] [INFO ] After 1303ms SMT Verify possible using all constraints in natural domain returned unsat :0 sat :4
Over-approximation ignoring read arcs solved 0 properties in 1487 ms.
Knowledge obtained : [(AND (NOT p0) (NOT p2) (NOT p3) (NOT p1)), (X (AND (NOT p0) (NOT p2) (NOT p3))), (X (NOT p2)), (X (NOT p3)), (X (NOT (AND (NOT p0) p2 (NOT p3)))), (X (NOT p0)), (X (X (AND (NOT p0) (NOT p2) (NOT p3)))), (X (X (NOT p2))), (X (X (NOT p3))), (X (X (NOT (AND (NOT p3) p1)))), (X (X (NOT (AND (NOT p0) p2 (NOT p3))))), (X (X (NOT p0))), (X (X (NOT p1))), (X (X (NOT (AND p0 (NOT p3) (NOT p1))))), (F (OR (G p0) (G (NOT p0))))]
False Knowledge obtained : [(F (NOT (OR p3 (NOT p1)))), (F p1), (F (NOT (AND (NOT p0) (NOT p2) (NOT p3)))), (F p3)]
Knowledge based reduction with 15 factoid took 354 ms. Reduced automaton from 4 states, 7 edges and 4 AP (stutter sensitive) to 4 states, 7 edges and 4 AP (stutter sensitive).
Stuttering acceptance computed with spot in 219 ms :[(AND (NOT p0) (NOT p3)), (AND (NOT p0) (NOT p3)), (NOT p3), (AND p1 (NOT p3))]
Stuttering acceptance computed with spot in 239 ms :[(AND (NOT p0) (NOT p3)), (AND (NOT p0) (NOT p3)), (NOT p3), (AND p1 (NOT p3))]
// Phase 1: matrix 137 rows 193 cols
[2025-05-31 13:11:29] [INFO ] Computed 58 invariants in 2 ms
Starting Z3 with timeout 15.0 s and query timeout 1500.0 ms
[2025-05-31 13:11:29] [INFO ] [Real]Absence check using 33 positive place invariants in 21 ms returned sat
[2025-05-31 13:11:30] [INFO ] [Real]Absence check using 33 positive and 25 generalized place invariants in 46 ms returned sat
[2025-05-31 13:11:30] [INFO ] [Real]Absence check using state equation in 690 ms returned sat
[2025-05-31 13:11:30] [INFO ] Solution in real domain found non-integer solution.
Starting Z3 with timeout 15.0 s and query timeout 1500.0 ms
[2025-05-31 13:11:30] [INFO ] [Nat]Absence check using 33 positive place invariants in 14 ms returned sat
[2025-05-31 13:11:30] [INFO ] [Nat]Absence check using 33 positive and 25 generalized place invariants in 23 ms returned sat
[2025-05-31 13:11:31] [INFO ] [Nat]Absence check using state equation in 1056 ms returned sat
[2025-05-31 13:11:31] [INFO ] Computed and/alt/rep : 129/387/129 causal constraints (skipped 7 transitions) in 12 ms.
[2025-05-31 13:11:32] [INFO ] Added : 107 causal constraints over 22 iterations in 934 ms. Result :sat
Could not prove EG (AND (NOT p0) (NOT p3))
Stuttering acceptance computed with spot in 231 ms :[(AND (NOT p0) (NOT p3)), (AND (NOT p0) (NOT p3)), (NOT p3), (AND p1 (NOT p3))]
Product exploration explored 100000 steps with 25085 reset in 579 ms.
Product exploration explored 100000 steps with 25006 reset in 475 ms.
Applying partial POR strategy [false, false, true, true]
Stuttering acceptance computed with spot in 165 ms :[(AND (NOT p0) (NOT p3)), (AND (NOT p0) (NOT p3)), (NOT p3), (AND p1 (NOT p3))]
Support contains 11 out of 193 places. Attempting structural reductions.
Starting structural reductions in SI_LTL mode, iteration 0 : 193/193 places, 137/137 transitions.
Applied a total of 0 rules in 4 ms. Remains 193 /193 variables (removed 0) and now considering 137/137 (removed 0) transitions.
Starting Z3 with timeout 200.0 s and query timeout 20000.0 ms
[2025-05-31 13:11:34] [INFO ] Redundant transitions in 0 ms returned []
Running 136 sub problems to find dead transitions.
[2025-05-31 13:11:34] [INFO ] Invariant cache hit.
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
All remaining problems are real, not stopping.
At refinement iteration 0 (INCLUDED_ONLY) 0/192 variables, 12/12 constraints. Problems are: Problem set: 0 solved, 136 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/192 variables, 0/12 constraints. Problems are: Problem set: 0 solved, 136 unsolved
At refinement iteration 2 (OVERLAPS) 1/193 variables, 33/45 constraints. Problems are: Problem set: 0 solved, 136 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/193 variables, 13/58 constraints. Problems are: Problem set: 0 solved, 136 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 13:11:35] [INFO ] Deduced a trap composed of 12 places in 53 ms of which 8 ms to minimize.
At refinement iteration 4 (INCLUDED_ONLY) 0/193 variables, 1/59 constraints. Problems are: Problem set: 0 solved, 136 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/193 variables, 0/59 constraints. Problems are: Problem set: 0 solved, 136 unsolved
At refinement iteration 6 (OVERLAPS) 137/330 variables, 193/252 constraints. Problems are: Problem set: 0 solved, 136 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 13:11:38] [INFO ] Deduced a trap composed of 17 places in 98 ms of which 16 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 13:11:39] [INFO ] Deduced a trap composed of 10 places in 50 ms of which 5 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 13:11:39] [INFO ] Deduced a trap composed of 12 places in 56 ms of which 5 ms to minimize.
At refinement iteration 7 (INCLUDED_ONLY) 0/330 variables, 3/255 constraints. Problems are: Problem set: 0 solved, 136 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/330 variables, 0/255 constraints. Problems are: Problem set: 0 solved, 136 unsolved
At refinement iteration 9 (OVERLAPS) 0/330 variables, 0/255 constraints. Problems are: Problem set: 0 solved, 136 unsolved
No progress, stopping.
After SMT solving in domain Real declared 330/330 variables, and 255 constraints, problems are : Problem set: 0 solved, 136 unsolved in 12759 ms.
Refiners :[Positive P Invariants (semi-flows): 33/33 constraints, Generalized P Invariants (flows): 25/25 constraints, State Equation: 193/193 constraints, PredecessorRefiner: 136/136 constraints, Known Traps: 4/4 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 136 unsolved
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/192 variables, 12/12 constraints. Problems are: Problem set: 0 solved, 136 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/192 variables, 0/12 constraints. Problems are: Problem set: 0 solved, 136 unsolved
At refinement iteration 2 (OVERLAPS) 1/193 variables, 33/45 constraints. Problems are: Problem set: 0 solved, 136 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/193 variables, 13/58 constraints. Problems are: Problem set: 0 solved, 136 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/193 variables, 4/62 constraints. Problems are: Problem set: 0 solved, 136 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/193 variables, 0/62 constraints. Problems are: Problem set: 0 solved, 136 unsolved
At refinement iteration 6 (OVERLAPS) 137/330 variables, 193/255 constraints. Problems are: Problem set: 0 solved, 136 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/330 variables, 136/391 constraints. Problems are: Problem set: 0 solved, 136 unsolved
Error getting values : (error "ParserException while parsing response: (timeout
org.smtlib.IParser$ParserException: Unbalanced parentheses at end of input")
Error getting values : (error "Error writing to Z3 solver: java.io.IOException: Stream closed")
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 330/330 variables, and 391 constraints, problems are : Problem set: 0 solved, 136 unsolved in 30025 ms.
Refiners :[Positive P Invariants (semi-flows): 33/33 constraints, Generalized P Invariants (flows): 25/25 constraints, State Equation: 193/193 constraints, PredecessorRefiner: 136/136 constraints, Known Traps: 4/4 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 42808ms problems are : Problem set: 0 solved, 136 unsolved
Search for dead transitions found 0 dead transitions in 42809ms
Finished structural reductions in SI_LTL mode , in 1 iterations and 42819 ms. Remains : 193/193 places, 137/137 transitions.
Built C files in :
/tmp/ltsmin13844098767400699899
[2025-05-31 13:12:17] [INFO ] Built C files in 5ms conformant to PINS (ltsmin variant)in folder :/tmp/ltsmin13844098767400699899
Running compilation step : cd /tmp/ltsmin13844098767400699899;'/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 577 ms.
Running link step : cd /tmp/ltsmin13844098767400699899;'gcc' '-shared' '-o' 'gal.so' 'model.o'
Link finished in 47 ms.
Running LTSmin : cd /tmp/ltsmin13844098767400699899;'/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/stateBased2817730453853114620.hoa' '--buchi-type=spotba'
LTSmin run took 174 ms.
FORMULA DES-PT-20a-LTLFireability-11 FALSE TECHNIQUES EXPLICIT LTSMIN SAT_SMT
Treatment of property DES-PT-20a-LTLFireability-11 finished in 300678 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(F(p1)))))'
Support contains 13 out of 193 places. Attempting structural reductions.
Starting structural reductions in SI_LTL mode, iteration 0 : 193/193 places, 137/137 transitions.
Applied a total of 0 rules in 7 ms. Remains 193 /193 variables (removed 0) and now considering 137/137 (removed 0) transitions.
[2025-05-31 13:12:18] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-05-31 13:12:18] [INFO ] Implicit Places using invariants in 341 ms returned []
[2025-05-31 13:12:18] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-05-31 13:12:18] [INFO ] Implicit Places using invariants and state equation in 476 ms returned []
Implicit Place search using SMT with State Equation took 819 ms to find 0 implicit places.
Starting Z3 with timeout 200.0 s and query timeout 20000.0 ms
[2025-05-31 13:12:18] [INFO ] Redundant transitions in 1 ms returned []
Running 136 sub problems to find dead transitions.
[2025-05-31 13:12:18] [INFO ] Invariant cache hit.
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
All remaining problems are real, not stopping.
At refinement iteration 0 (INCLUDED_ONLY) 0/192 variables, 12/12 constraints. Problems are: Problem set: 0 solved, 136 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/192 variables, 0/12 constraints. Problems are: Problem set: 0 solved, 136 unsolved
At refinement iteration 2 (OVERLAPS) 1/193 variables, 33/45 constraints. Problems are: Problem set: 0 solved, 136 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/193 variables, 13/58 constraints. Problems are: Problem set: 0 solved, 136 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 13:12:20] [INFO ] Deduced a trap composed of 12 places in 39 ms of which 5 ms to minimize.
At refinement iteration 4 (INCLUDED_ONLY) 0/193 variables, 1/59 constraints. Problems are: Problem set: 0 solved, 136 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/193 variables, 0/59 constraints. Problems are: Problem set: 0 solved, 136 unsolved
At refinement iteration 6 (OVERLAPS) 137/330 variables, 193/252 constraints. Problems are: Problem set: 0 solved, 136 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 13:12:23] [INFO ] Deduced a trap composed of 17 places in 86 ms of which 14 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 13:12:24] [INFO ] Deduced a trap composed of 10 places in 49 ms of which 5 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 13:12:24] [INFO ] Deduced a trap composed of 12 places in 47 ms of which 4 ms to minimize.
At refinement iteration 7 (INCLUDED_ONLY) 0/330 variables, 3/255 constraints. Problems are: Problem set: 0 solved, 136 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/330 variables, 0/255 constraints. Problems are: Problem set: 0 solved, 136 unsolved
At refinement iteration 9 (OVERLAPS) 0/330 variables, 0/255 constraints. Problems are: Problem set: 0 solved, 136 unsolved
No progress, stopping.
After SMT solving in domain Real declared 330/330 variables, and 255 constraints, problems are : Problem set: 0 solved, 136 unsolved in 12913 ms.
Refiners :[Positive P Invariants (semi-flows): 33/33 constraints, Generalized P Invariants (flows): 25/25 constraints, State Equation: 193/193 constraints, PredecessorRefiner: 136/136 constraints, Known Traps: 4/4 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 136 unsolved
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/192 variables, 12/12 constraints. Problems are: Problem set: 0 solved, 136 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/192 variables, 0/12 constraints. Problems are: Problem set: 0 solved, 136 unsolved
At refinement iteration 2 (OVERLAPS) 1/193 variables, 33/45 constraints. Problems are: Problem set: 0 solved, 136 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/193 variables, 13/58 constraints. Problems are: Problem set: 0 solved, 136 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/193 variables, 4/62 constraints. Problems are: Problem set: 0 solved, 136 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/193 variables, 0/62 constraints. Problems are: Problem set: 0 solved, 136 unsolved
At refinement iteration 6 (OVERLAPS) 137/330 variables, 193/255 constraints. Problems are: Problem set: 0 solved, 136 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/330 variables, 136/391 constraints. Problems are: Problem set: 0 solved, 136 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 330/330 variables, and 391 constraints, problems are : Problem set: 0 solved, 136 unsolved in 30014 ms.
Refiners :[Positive P Invariants (semi-flows): 33/33 constraints, Generalized P Invariants (flows): 25/25 constraints, State Equation: 193/193 constraints, PredecessorRefiner: 136/136 constraints, Known Traps: 4/4 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 42964ms problems are : Problem set: 0 solved, 136 unsolved
Search for dead transitions found 0 dead transitions in 42965ms
Finished structural reductions in SI_LTL mode , in 1 iterations and 43800 ms. Remains : 193/193 places, 137/137 transitions.
Stuttering acceptance computed with spot in 89 ms :[(AND (NOT p0) (NOT p1)), (AND (NOT p0) (NOT p1))]
Running random walk in product with property : DES-PT-20a-LTLFireability-12
Stuttering criterion allowed to conclude after 39 steps with 0 reset in 0 ms.
FORMULA DES-PT-20a-LTLFireability-12 FALSE TECHNIQUES STUTTER_TEST
Treatment of property DES-PT-20a-LTLFireability-12 finished in 43910 ms.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202505121319/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!((X(G(p0))&&F((p1||G(F(p2))))))'
Support contains 4 out of 193 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 193/193 places, 137/137 transitions.
Applied a total of 0 rules in 5 ms. Remains 193 /193 variables (removed 0) and now considering 137/137 (removed 0) transitions.
[2025-05-31 13:13:02] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-05-31 13:13:02] [INFO ] Implicit Places using invariants in 270 ms returned []
[2025-05-31 13:13:02] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-05-31 13:13:02] [INFO ] Implicit Places using invariants and state equation in 458 ms returned []
Implicit Place search using SMT with State Equation took 730 ms to find 0 implicit places.
Running 136 sub problems to find dead transitions.
[2025-05-31 13:13:02] [INFO ] Invariant cache hit.
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
All remaining problems are real, not stopping.
At refinement iteration 0 (INCLUDED_ONLY) 0/192 variables, 12/12 constraints. Problems are: Problem set: 0 solved, 136 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/192 variables, 0/12 constraints. Problems are: Problem set: 0 solved, 136 unsolved
At refinement iteration 2 (OVERLAPS) 1/193 variables, 33/45 constraints. Problems are: Problem set: 0 solved, 136 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/193 variables, 13/58 constraints. Problems are: Problem set: 0 solved, 136 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 13:13:04] [INFO ] Deduced a trap composed of 12 places in 55 ms of which 9 ms to minimize.
At refinement iteration 4 (INCLUDED_ONLY) 0/193 variables, 1/59 constraints. Problems are: Problem set: 0 solved, 136 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/193 variables, 0/59 constraints. Problems are: Problem set: 0 solved, 136 unsolved
At refinement iteration 6 (OVERLAPS) 137/330 variables, 193/252 constraints. Problems are: Problem set: 0 solved, 136 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 13:13:07] [INFO ] Deduced a trap composed of 17 places in 101 ms of which 17 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 13:13:07] [INFO ] Deduced a trap composed of 10 places in 54 ms of which 4 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 13:13:07] [INFO ] Deduced a trap composed of 12 places in 56 ms of which 5 ms to minimize.
At refinement iteration 7 (INCLUDED_ONLY) 0/330 variables, 3/255 constraints. Problems are: Problem set: 0 solved, 136 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/330 variables, 0/255 constraints. Problems are: Problem set: 0 solved, 136 unsolved
At refinement iteration 9 (OVERLAPS) 0/330 variables, 0/255 constraints. Problems are: Problem set: 0 solved, 136 unsolved
No progress, stopping.
After SMT solving in domain Real declared 330/330 variables, and 255 constraints, problems are : Problem set: 0 solved, 136 unsolved in 12742 ms.
Refiners :[Positive P Invariants (semi-flows): 33/33 constraints, Generalized P Invariants (flows): 25/25 constraints, State Equation: 193/193 constraints, PredecessorRefiner: 136/136 constraints, Known Traps: 4/4 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 136 unsolved
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/192 variables, 12/12 constraints. Problems are: Problem set: 0 solved, 136 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/192 variables, 0/12 constraints. Problems are: Problem set: 0 solved, 136 unsolved
At refinement iteration 2 (OVERLAPS) 1/193 variables, 33/45 constraints. Problems are: Problem set: 0 solved, 136 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/193 variables, 13/58 constraints. Problems are: Problem set: 0 solved, 136 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/193 variables, 4/62 constraints. Problems are: Problem set: 0 solved, 136 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/193 variables, 0/62 constraints. Problems are: Problem set: 0 solved, 136 unsolved
At refinement iteration 6 (OVERLAPS) 137/330 variables, 193/255 constraints. Problems are: Problem set: 0 solved, 136 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/330 variables, 136/391 constraints. Problems are: Problem set: 0 solved, 136 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 330/330 variables, and 391 constraints, problems are : Problem set: 0 solved, 136 unsolved in 30012 ms.
Refiners :[Positive P Invariants (semi-flows): 33/33 constraints, Generalized P Invariants (flows): 25/25 constraints, State Equation: 193/193 constraints, PredecessorRefiner: 136/136 constraints, Known Traps: 4/4 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 42789ms problems are : Problem set: 0 solved, 136 unsolved
Search for dead transitions found 0 dead transitions in 42790ms
Finished structural reductions in LTL mode , in 1 iterations and 43525 ms. Remains : 193/193 places, 137/137 transitions.
Stuttering acceptance computed with spot in 222 ms :[(OR (NOT p0) (AND (NOT p1) (NOT p2))), (NOT p0), (AND (NOT p1) (NOT p2)), (AND (NOT p1) (NOT p2)), true]
Running random walk in product with property : DES-PT-20a-LTLFireability-13
Entered a terminal (fully accepting) state of product in 12 steps with 2 reset in 0 ms.
FORMULA DES-PT-20a-LTLFireability-13 FALSE TECHNIQUES STUTTER_TEST
Treatment of property DES-PT-20a-LTLFireability-13 finished in 43770 ms.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202505121319/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!(X((G(p0) U (G(!p1)||G(p1)))))'
Support contains 5 out of 193 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 193/193 places, 137/137 transitions.
Applied a total of 0 rules in 2 ms. Remains 193 /193 variables (removed 0) and now considering 137/137 (removed 0) transitions.
[2025-05-31 13:13:45] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-05-31 13:13:46] [INFO ] Implicit Places using invariants in 336 ms returned []
[2025-05-31 13:13:46] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-05-31 13:13:46] [INFO ] Implicit Places using invariants and state equation in 485 ms returned []
Implicit Place search using SMT with State Equation took 823 ms to find 0 implicit places.
Running 136 sub problems to find dead transitions.
[2025-05-31 13:13:46] [INFO ] Invariant cache hit.
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
All remaining problems are real, not stopping.
At refinement iteration 0 (INCLUDED_ONLY) 0/192 variables, 12/12 constraints. Problems are: Problem set: 0 solved, 136 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/192 variables, 0/12 constraints. Problems are: Problem set: 0 solved, 136 unsolved
At refinement iteration 2 (OVERLAPS) 1/193 variables, 33/45 constraints. Problems are: Problem set: 0 solved, 136 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/193 variables, 13/58 constraints. Problems are: Problem set: 0 solved, 136 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 13:13:48] [INFO ] Deduced a trap composed of 12 places in 60 ms of which 9 ms to minimize.
At refinement iteration 4 (INCLUDED_ONLY) 0/193 variables, 1/59 constraints. Problems are: Problem set: 0 solved, 136 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/193 variables, 0/59 constraints. Problems are: Problem set: 0 solved, 136 unsolved
At refinement iteration 6 (OVERLAPS) 137/330 variables, 193/252 constraints. Problems are: Problem set: 0 solved, 136 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 13:13:50] [INFO ] Deduced a trap composed of 17 places in 95 ms of which 16 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 13:13:51] [INFO ] Deduced a trap composed of 10 places in 42 ms of which 3 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 13:13:51] [INFO ] Deduced a trap composed of 12 places in 57 ms of which 5 ms to minimize.
At refinement iteration 7 (INCLUDED_ONLY) 0/330 variables, 3/255 constraints. Problems are: Problem set: 0 solved, 136 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/330 variables, 0/255 constraints. Problems are: Problem set: 0 solved, 136 unsolved
At refinement iteration 9 (OVERLAPS) 0/330 variables, 0/255 constraints. Problems are: Problem set: 0 solved, 136 unsolved
No progress, stopping.
After SMT solving in domain Real declared 330/330 variables, and 255 constraints, problems are : Problem set: 0 solved, 136 unsolved in 11014 ms.
Refiners :[Positive P Invariants (semi-flows): 33/33 constraints, Generalized P Invariants (flows): 25/25 constraints, State Equation: 193/193 constraints, PredecessorRefiner: 136/136 constraints, Known Traps: 4/4 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 136 unsolved
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/192 variables, 12/12 constraints. Problems are: Problem set: 0 solved, 136 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/192 variables, 0/12 constraints. Problems are: Problem set: 0 solved, 136 unsolved
At refinement iteration 2 (OVERLAPS) 1/193 variables, 33/45 constraints. Problems are: Problem set: 0 solved, 136 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/193 variables, 13/58 constraints. Problems are: Problem set: 0 solved, 136 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/193 variables, 4/62 constraints. Problems are: Problem set: 0 solved, 136 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/193 variables, 0/62 constraints. Problems are: Problem set: 0 solved, 136 unsolved
At refinement iteration 6 (OVERLAPS) 137/330 variables, 193/255 constraints. Problems are: Problem set: 0 solved, 136 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/330 variables, 136/391 constraints. Problems are: Problem set: 0 solved, 136 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 330/330 variables, and 391 constraints, problems are : Problem set: 0 solved, 136 unsolved in 30009 ms.
Refiners :[Positive P Invariants (semi-flows): 33/33 constraints, Generalized P Invariants (flows): 25/25 constraints, State Equation: 193/193 constraints, PredecessorRefiner: 136/136 constraints, Known Traps: 4/4 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 41061ms problems are : Problem set: 0 solved, 136 unsolved
Search for dead transitions found 0 dead transitions in 41062ms
Finished structural reductions in LTL mode , in 1 iterations and 41889 ms. Remains : 193/193 places, 137/137 transitions.
Stuttering acceptance computed with spot in 256 ms :[false, false, p1, (NOT p1), (AND (NOT p0) p1), (AND (NOT p0) (NOT p1)), true, (NOT p0)]
Running random walk in product with property : DES-PT-20a-LTLFireability-14
Entered a terminal (fully accepting) state of product in 71 steps with 1 reset in 1 ms.
FORMULA DES-PT-20a-LTLFireability-14 FALSE TECHNIQUES STUTTER_TEST
Treatment of property DES-PT-20a-LTLFireability-14 finished in 42174 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)))'
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 (X(p2)&&p1)) U (!p2||X(X(G(p3)))))))'
[2025-05-31 13:14:28] [INFO ] Flatten gal took : 13 ms
Using solver Z3 to compute partial order matrices.
Built C files in :
/tmp/ltsmin9443815791554017749
[2025-05-31 13:14:28] [INFO ] Computing symmetric may disable matrix : 137 transitions.
[2025-05-31 13:14:28] [INFO ] Computation of Complete disable matrix. took 2 ms. Total solver calls (SAT/UNSAT): 0(0/0)
[2025-05-31 13:14:28] [INFO ] Computing symmetric may enable matrix : 137 transitions.
[2025-05-31 13:14:28] [INFO ] Computation of Complete enable matrix. took 1 ms. Total solver calls (SAT/UNSAT): 0(0/0)
[2025-05-31 13:14:28] [INFO ] Applying decomposition
[2025-05-31 13:14:28] [INFO ] Computing Do-Not-Accords matrix : 137 transitions.
[2025-05-31 13:14:28] [INFO ] Computation of Completed DNA matrix. took 3 ms. Total solver calls (SAT/UNSAT): 0(0/0)
[2025-05-31 13:14:28] [INFO ] Built C files in 20ms conformant to PINS (ltsmin variant)in folder :/tmp/ltsmin9443815791554017749
Running compilation step : cd /tmp/ltsmin9443815791554017749;'/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.ltsmin.binaries_1.0.0.202505121319/bin/limit_time.pl' '360' 'gcc' '-c' '-I/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.ltsmin.binaries_1.0.0.202505121319/bin/include/' '-I.' '-std=c99' '-fPIC' '-O0' 'model.c'
[2025-05-31 13:14:28] [INFO ] Flatten gal took : 30 ms
Converted graph to binary with : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.louvain.binaries_1.0.0.202505121319/bin/convert-linux64' '-i' '/tmp/graph2086837310352304268.txt' '-o' '/tmp/graph2086837310352304268.bin' '-w' '/tmp/graph2086837310352304268.weights'
Built communities with : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.louvain.binaries_1.0.0.202505121319/bin/louvain-linux64' '/tmp/graph2086837310352304268.bin' '-l' '-1' '-v' '-w' '/tmp/graph2086837310352304268.weights' '-q' '0' '-e' '0.001'
[2025-05-31 13:14:28] [INFO ] Decomposing Gal with order
[2025-05-31 13:14:28] [INFO ] Rewriting arrays to variables to allow decomposition.
[2025-05-31 13:14:28] [INFO ] Removed a total of 14 redundant transitions.
[2025-05-31 13:14:28] [INFO ] Flatten gal took : 29 ms
[2025-05-31 13:14:28] [INFO ] Fuse similar labels procedure discarded/fused a total of 0 labels/synchronizations in 3 ms.
[2025-05-31 13:14:28] [INFO ] Time to serialize gal into /tmp/LTLFireability1283967043619142075.gal : 6 ms
[2025-05-31 13:14:28] [INFO ] Time to serialize properties into /tmp/LTLFireability3385095424558708328.ltl : 0 ms
Invoking ITS tools like this :cd /home/mcc/execution;'/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202505121319/bin/its-ltl-linux64' '--gc-threshold' '2000000' '-i' '/tmp/LTLFireability1283967043619142075.gal' '-t' 'CGAL' '-LTL' '/tmp/LTLFireability3385095424558708328.ltl' '-c' '-stutter-deadlock'
its-ltl command run as :
/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202505121319/bin/its-ltl-linux64 --gc-threshold 2000000 -i /tmp/L...276
Read 2 LTL properties
Checking formula 0 : !((F(G("((i1.u2.p72==0)||(i1.u2.p85==0))"))))
Formula 0 simplified : GF!"((i1.u2.p72==0)||(i1.u2.p85==0))"
Compilation finished in 682 ms.
Running link step : cd /tmp/ltsmin9443815791554017749;'gcc' '-shared' '-o' 'gal.so' 'model.o'
Link finished in 38 ms.
Running LTSmin : cd /tmp/ltsmin9443815791554017749;'/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' '--ltl' '<>([]((LTLAPp0==true)))' '--buchi-type=spotba'
Reverse transition relation is NOT exact ! Due to transitions t1, t97, t98, t130, u12.t90, u13.t11, u47.t5, u47.t31, i0.i0.u0.t10, i0.i0.u6.t135, i0.i1.t0,...519
Computing Next relation with stutter on 850244 deadlock states
pins2lts-mc-linux64, 0.000: Registering PINS so language module
pins2lts-mc-linux64( 1/ 8), 0.000: library has no initializer
pins2lts-mc-linux64( 1/ 8), 0.000: loading model GAL
pins2lts-mc-linux64( 4/ 8), 0.001: library has no initializer
pins2lts-mc-linux64( 4/ 8), 0.001: loading model GAL
pins2lts-mc-linux64( 4/ 8), 0.004: completed loading model GAL
pins2lts-mc-linux64( 1/ 8), 0.003: completed loading model GAL
pins2lts-mc-linux64( 3/ 8), 0.014: library has no initializer
pins2lts-mc-linux64( 3/ 8), 0.014: loading model GAL
pins2lts-mc-linux64( 3/ 8), 0.017: completed loading model GAL
pins2lts-mc-linux64( 0/ 8), 0.017: Loading model from ./gal.so
pins2lts-mc-linux64( 2/ 8), 0.017: library has no initializer
pins2lts-mc-linux64( 7/ 8), 0.016: library has no initializer
pins2lts-mc-linux64( 7/ 8), 0.016: loading model GAL
pins2lts-mc-linux64( 2/ 8), 0.017: loading model GAL
pins2lts-mc-linux64( 2/ 8), 0.019: completed loading model GAL
pins2lts-mc-linux64( 7/ 8), 0.018: completed loading model GAL
pins2lts-mc-linux64( 0/ 8), 0.017: library has no initializer
pins2lts-mc-linux64( 0/ 8), 0.021: loading model GAL
pins2lts-mc-linux64( 0/ 8), 0.023: completed loading model GAL
pins2lts-mc-linux64( 0/ 8), 0.023: Initializing POR dependencies: labels 142, guards 137
pins2lts-mc-linux64( 6/ 8), 0.024: library has no initializer
pins2lts-mc-linux64( 6/ 8), 0.024: loading model GAL
pins2lts-mc-linux64( 6/ 8), 0.026: completed loading model GAL
pins2lts-mc-linux64( 5/ 8), 0.030: library has no initializer
pins2lts-mc-linux64( 5/ 8), 0.030: loading model GAL
pins2lts-mc-linux64( 5/ 8), 0.032: completed loading model GAL
pins2lts-mc-linux64( 7/ 8), 0.209: LTL layer: formula: <>([]((LTLAPp0==true)))
pins2lts-mc-linux64( 7/ 8), 0.209: "<>([]((LTLAPp0==true)))" is not a file, parsing as formula...
pins2lts-mc-linux64( 7/ 8), 0.209: Using Spin LTL semantics
pins2lts-mc-linux64( 0/ 8), 0.293: Forcing use of the an ignoring proviso (cndfs)
pins2lts-mc-linux64( 0/ 8), 0.304: There are 143 state labels and 1 edge labels
pins2lts-mc-linux64( 0/ 8), 0.304: State length is 194, there are 141 groups
pins2lts-mc-linux64( 0/ 8), 0.304: Running cndfs using 8 cores
pins2lts-mc-linux64( 0/ 8), 0.304: Using a tree table with 2^27 elements
pins2lts-mc-linux64( 0/ 8), 0.304: Successor permutation: dynamic
pins2lts-mc-linux64( 0/ 8), 0.304: Visible groups: 0 / 141, labels: 1 / 143
pins2lts-mc-linux64( 0/ 8), 0.304: POR cycle proviso: cndfs (ltl)
pins2lts-mc-linux64( 0/ 8), 0.304: Global bits: 2, count bits: 2, local bits: 0
pins2lts-mc-linux64( 7/ 8), 0.338: [Blue] ~36 levels ~960 states ~1656 transitions
pins2lts-mc-linux64( 7/ 8), 0.364: [Blue] ~36 levels ~1920 states ~3600 transitions
pins2lts-mc-linux64( 7/ 8), 0.421: [Blue] ~46 levels ~3840 states ~6392 transitions
pins2lts-mc-linux64( 1/ 8), 0.533: [Blue] ~148 levels ~7680 states ~12848 transitions
pins2lts-mc-linux64( 1/ 8), 0.734: [Blue] ~178 levels ~15360 states ~25888 transitions
pins2lts-mc-linux64( 2/ 8), 1.122: [Blue] ~90 levels ~30720 states ~39736 transitions
pins2lts-mc-linux64( 2/ 8), 1.838: [Blue] ~106 levels ~61440 states ~77872 transitions
pins2lts-mc-linux64( 2/ 8), 2.974: [Blue] ~675 levels ~122880 states ~156968 transitions
pins2lts-mc-linux64( 0/ 8), 4.624: [Blue] ~1829 levels ~245760 states ~340392 transitions
pins2lts-mc-linux64( 0/ 8), 7.258: [Blue] ~1829 levels ~491520 states ~648928 transitions
pins2lts-mc-linux64( 0/ 8), 10.963: [Blue] ~1829 levels ~983040 states ~1300888 transitions
pins2lts-mc-linux64( 0/ 8), 17.390: [Blue] ~2229 levels ~1966080 states ~2683336 transitions
pins2lts-mc-linux64( 0/ 8), 29.353: [Blue] ~2934 levels ~3932160 states ~5268664 transitions
pins2lts-mc-linux64( 0/ 8), 55.432: [Blue] ~6739 levels ~7864320 states ~10812560 transitions
pins2lts-mc-linux64( 2/ 8), 102.738: [Blue] ~3233 levels ~15728640 states ~23001512 transitions
pins2lts-mc-linux64( 4/ 8), 210.795: [Blue] ~8378 levels ~31457280 states ~43357416 transitions
pins2lts-mc-linux64( 7/ 8), 430.283: [Blue] ~13276 levels ~62914560 states ~81887888 transitions
pins2lts-mc-linux64( 2/ 8), 622.882: Error: tree leafs table full! Change -s/--ratio.
pins2lts-mc-linux64( 0/ 8), 622.956:
pins2lts-mc-linux64( 0/ 8), 622.956: Explored 81320119 states 97148301 transitions, fanout: 1.195
pins2lts-mc-linux64( 0/ 8), 622.957: Total exploration time 622.650 sec (622.580 sec minimum, 622.600 sec on average)
pins2lts-mc-linux64( 0/ 8), 622.957: States per second: 130603, Transitions per second: 156024
pins2lts-mc-linux64( 0/ 8), 622.957:
pins2lts-mc-linux64( 0/ 8), 622.957: State space has 79511946 states, 54257 are accepting
pins2lts-mc-linux64( 0/ 8), 622.957: cndfs_1 (permutation: dynamic) stats:
pins2lts-mc-linux64( 0/ 8), 622.957: blue states: 81320119 (102.27%), transitions: 0 (per worker)
pins2lts-mc-linux64( 0/ 8), 622.957: red states: 0 (0.00%), bogus: 0 (0.00%), transitions: 0, waits: 0 (0.00 sec)
pins2lts-mc-linux64( 0/ 8), 622.957: all-red states: 55925 (0.07%), bogus 0 (0.00%)
pins2lts-mc-linux64( 0/ 8), 622.957:
pins2lts-mc-linux64( 0/ 8), 622.957: Total memory used for local state coloring: 4.1MB
pins2lts-mc-linux64( 0/ 8), 622.957:
pins2lts-mc-linux64( 0/ 8), 622.957: Queue width: 8B, total height: 270112, memory: 2.06MB
pins2lts-mc-linux64( 0/ 8), 622.957: Tree memory: 862.6MB, 11.4 B/state, compr.: 1.5%
pins2lts-mc-linux64( 0/ 8), 622.957: Tree fill ratio (roots/leafs): 59.0%/99.0%
pins2lts-mc-linux64( 0/ 8), 622.957: Stored 142 string chucks using 0MB
pins2lts-mc-linux64( 0/ 8), 622.957: Total memory used for chunk indexing: 0MB
pins2lts-mc-linux64( 0/ 8), 622.957: Est. total memory use: 864.7MB (~1026.1MB paged-in)
WARNING : LTS min runner thread failed on error :java.lang.RuntimeException: Unexpected exception when executing ltsmin :cd /tmp/ltsmin9443815791554017749;'/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' '--ltl' '<>([]((LTLAPp0==true)))' '--buchi-type=spotba'
255
java.lang.RuntimeException: Unexpected exception when executing ltsmin :cd /tmp/ltsmin9443815791554017749;'/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' '--ltl' '<>([]((LTLAPp0==true)))' '--buchi-type=spotba'
255
at fr.lip6.move.gal.application.runner.ltsmin.LTSminRunner.checkProperty(LTSminRunner.java:241)
at fr.lip6.move.gal.application.runner.ltsmin.LTSminRunner$1.checkProperties(LTSminRunner.java:176)
at fr.lip6.move.gal.application.runner.ltsmin.LTSminRunner$1.run(LTSminRunner.java:114)
at java.base/java.lang.Thread.run(Thread.java:1583)
1 unique states visited
0 strongly connected components in search stack
0 transitions explored
1 items max in DFS search stack
55146 ticks for the emptiness check
Model ,|S| ,Time ,Mem(kb) ,fin. SDD ,fin. DDD ,peak SDD ,peak DDD ,SDD Hom ,SDD cache peak ,DDD Hom ,DDD cachepeak ,SHom cache
STATS,0,551.527,2686720,1,0,6.69818e+06,38576,656,5.45031e+06,689,204646,2112540
no accepting run found
Formula 0 is TRUE no accepting run found.
FORMULA DES-PT-20a-LTLFireability-04 TRUE TECHNIQUES DECISION_DIAGRAMS TOPOLOGICAL USE_NUPN
Checking formula 1 : !((G((("((i4.u17.p122==1)&&(i4.u25.p139==1))")U(("((u47.p31==1)&&(u47.p190==1))")&&(X("((u47.p23==1)&&(u47.p190==1))"))))U((!("((u47.p...228
Formula 1 simplified : F((!"((i4.u17.p122==1)&&(i4.u25.p139==1))" R (!"((u47.p31==1)&&(u47.p190==1))" | X!"((u47.p23==1)&&(u47.p190==1))")) R ("((u47.p23==...214
Computing Next relation with stutter on 850244 deadlock states
63 unique states visited
63 strongly connected components in search stack
64 transitions explored
63 items max in DFS search stack
4321 ticks for the emptiness check
Model ,|S| ,Time ,Mem(kb) ,fin. SDD ,fin. DDD ,peak SDD ,peak DDD ,SDD Hom ,SDD cache peak ,DDD Hom ,DDD cachepeak ,SHom cache
STATS,0,594.746,2688640,1,0,6.69818e+06,38576,1089,5.45031e+06,1023,204646,4465978
an accepting run exists (use option '-e' to print it)
Formula 1 is FALSE accepting run found.
FORMULA DES-PT-20a-LTLFireability-08 FALSE TECHNIQUES DECISION_DIAGRAMS TOPOLOGICAL USE_NUPN
ITS tools runner thread asked to quit. Dying gracefully.
Total runtime 2486301 ms.
BK_STOP 1748698225909
--------------------
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="DES-PT-20a"
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 DES-PT-20a, 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 r058-smll-174854063900300"
echo "====================================================================="
echo
echo "--------------------"
echo "preparation of the directory to be used:"
tar xzf /home/mcc/BenchKit/INPUTS/DES-PT-20a.tgz
mv DES-PT-20a 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 '
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 ;