About the Execution of ITS-Tools for DES-PT-50a
| Execution Summary | |||||
| Max Memory Used (MB) |
Time wait (ms) | CPU Usage (ms) | I/O Wait (ms) | Computed Result | Execution Status |
| 0.000 | 1643850.00 | 0.00 | 0.00 | FFFFFFFFFFTTFFFT | normal |
Execution Chart
Sorry, for this execution, no execution chart could be reported.
Trace from the execution
Formatting '/data/fkordon/mcc2025-input.r058-smll-174854064000348.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-50a, examination is LTLFireability
Time confinement is 3600 seconds
Memory confinement is 16384 MBytes
Number of cores is 4
Run identifier is r058-smll-174854064000348
=====================================================================
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preparation of the directory to be used:
/home/mcc/execution
total 508K
-rw-r--r-- 1 mcc users 6.2K May 29 14:47 CTLCardinality.txt
-rw-r--r-- 1 mcc users 66K May 29 14:47 CTLCardinality.xml
-rw-r--r-- 1 mcc users 5.9K May 29 14:47 CTLFireability.txt
-rw-r--r-- 1 mcc users 57K 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 3.8K May 29 14:47 LTLCardinality.txt
-rw-r--r-- 1 mcc users 28K May 29 14:47 LTLCardinality.xml
-rw-r--r-- 1 mcc users 2.1K May 29 14:47 LTLFireability.txt
-rw-r--r-- 1 mcc users 19K May 29 14:47 LTLFireability.xml
-rw-r--r-- 1 mcc users 9.4K May 29 14:47 ReachabilityCardinality.txt
-rw-r--r-- 1 mcc users 97K May 29 14:47 ReachabilityCardinality.xml
-rw-r--r-- 1 mcc users 6.2K May 29 14:47 ReachabilityFireability.txt
-rw-r--r-- 1 mcc users 49K 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 97K May 29 14:32 model.pnml
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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-50a-LTLFireability-00
FORMULA_NAME DES-PT-50a-LTLFireability-01
FORMULA_NAME DES-PT-50a-LTLFireability-02
FORMULA_NAME DES-PT-50a-LTLFireability-03
FORMULA_NAME DES-PT-50a-LTLFireability-04
FORMULA_NAME DES-PT-50a-LTLFireability-05
FORMULA_NAME DES-PT-50a-LTLFireability-06
FORMULA_NAME DES-PT-50a-LTLFireability-07
FORMULA_NAME DES-PT-50a-LTLFireability-08
FORMULA_NAME DES-PT-50a-LTLFireability-09
FORMULA_NAME DES-PT-50a-LTLFireability-10
FORMULA_NAME DES-PT-50a-LTLFireability-11
FORMULA_NAME DES-PT-50a-LTLFireability-12
FORMULA_NAME DES-PT-50a-LTLFireability-13
FORMULA_NAME DES-PT-50a-LTLFireability-14
FORMULA_NAME DES-PT-50a-LTLFireability-15
=== Now, execution of the tool begins
BK_START 1748741114295
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-50a
BK_MEMORY_CONFINEMENT=16384
Not applying reductions.
Model is PT
LTLFireability PT
Running Version 202505121319
[2025-06-01 01:25:16] [INFO ] Running its-tools with arguments : [-pnfolder, /home/mcc/execution, -examination, LTLFireability, -its, -ltsmin, -greatspnpath, /home/mcc/BenchKit/bin//../itstools/bin//..//greatspn/, -order, META, -manyOrder, -smt, -timeout, 3600]
[2025-06-01 01:25:16] [INFO ] Parsing pnml file : /home/mcc/execution/model.pnml
[2025-06-01 01:25:16] [INFO ] Load time of PNML (sax parser for PT used): 142 ms
[2025-06-01 01:25:16] [INFO ] Transformed 314 places.
[2025-06-01 01:25:16] [INFO ] Transformed 271 transitions.
[2025-06-01 01:25:16] [INFO ] Found NUPN structural information;
[2025-06-01 01:25:16] [INFO ] Parsed PT model containing 314 places and 271 transitions and 1306 arcs in 376 ms.
Parsed 16 properties from file /home/mcc/execution/LTLFireability.xml in 16 ms.
Working with output stream class java.io.PrintStream
Initial state reduction rules removed 4 formulas.
Ensure Unique test removed 14 transitions
Reduce redundant transitions removed 14 transitions.
FORMULA DES-PT-50a-LTLFireability-03 FALSE TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA DES-PT-50a-LTLFireability-06 FALSE TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA DES-PT-50a-LTLFireability-08 FALSE TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA DES-PT-50a-LTLFireability-11 TRUE TECHNIQUES TOPOLOGICAL INITIAL_STATE
Support contains 46 out of 314 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 314/314 places, 257/257 transitions.
Discarding 1 places :
Symmetric choice reduction at 0 with 1 rule applications. Total rules 1 place count 313 transition count 256
Iterating global reduction 0 with 1 rules applied. Total rules applied 2 place count 313 transition count 256
Applied a total of 2 rules in 138 ms. Remains 313 /314 variables (removed 1) and now considering 256/257 (removed 1) transitions.
// Phase 1: matrix 256 rows 313 cols
[2025-06-01 01:25:17] [INFO ] Computed 59 invariants in 50 ms
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-01 01:25:18] [INFO ] Implicit Places using invariants in 917 ms returned [211]
Discarding 1 places :
Implicit Place search using SMT only with invariants took 1260 ms to find 1 implicit places.
Starting structural reductions in LTL mode, iteration 1 : 312/314 places, 256/257 transitions.
Applied a total of 0 rules in 14 ms. Remains 312 /312 variables (removed 0) and now considering 256/256 (removed 0) transitions.
Finished structural reductions in LTL mode , in 2 iterations and 1438 ms. Remains : 312/314 places, 256/257 transitions.
Support contains 46 out of 312 places after structural reductions.
[2025-06-01 01:25:19] [INFO ] Flatten gal took : 90 ms
[2025-06-01 01:25:19] [INFO ] Flatten gal took : 48 ms
[2025-06-01 01:25:19] [INFO ] Input system was already deterministic with 256 transitions.
Reduction of identical properties reduced properties to check from 29 to 28
RANDOM walk for 40000 steps (896 resets) in 2668 ms. (14 steps per ms) remains 17/28 properties
BEST_FIRST walk for 4002 steps (20 resets) in 66 ms. (59 steps per ms) remains 17/17 properties
BEST_FIRST walk for 4004 steps (19 resets) in 95 ms. (41 steps per ms) remains 17/17 properties
BEST_FIRST walk for 4003 steps (19 resets) in 76 ms. (51 steps per ms) remains 17/17 properties
BEST_FIRST walk for 4003 steps (19 resets) in 87 ms. (45 steps per ms) remains 17/17 properties
BEST_FIRST walk for 4003 steps (16 resets) in 32 ms. (121 steps per ms) remains 17/17 properties
BEST_FIRST walk for 4003 steps (23 resets) in 41 ms. (95 steps per ms) remains 17/17 properties
BEST_FIRST walk for 4004 steps (24 resets) in 53 ms. (74 steps per ms) remains 17/17 properties
BEST_FIRST walk for 4004 steps (19 resets) in 47 ms. (83 steps per ms) remains 17/17 properties
BEST_FIRST walk for 4004 steps (18 resets) in 23 ms. (166 steps per ms) remains 17/17 properties
BEST_FIRST walk for 4004 steps (16 resets) in 23 ms. (166 steps per ms) remains 17/17 properties
BEST_FIRST walk for 4002 steps (18 resets) in 17 ms. (222 steps per ms) remains 17/17 properties
BEST_FIRST walk for 4004 steps (21 resets) in 29 ms. (133 steps per ms) remains 17/17 properties
BEST_FIRST walk for 4003 steps (19 resets) in 17 ms. (222 steps per ms) remains 17/17 properties
BEST_FIRST walk for 4002 steps (19 resets) in 18 ms. (210 steps per ms) remains 17/17 properties
BEST_FIRST walk for 4003 steps (20 resets) in 18 ms. (210 steps per ms) remains 17/17 properties
BEST_FIRST walk for 4003 steps (21 resets) in 16 ms. (235 steps per ms) remains 17/17 properties
BEST_FIRST walk for 4003 steps (20 resets) in 15 ms. (250 steps per ms) remains 17/17 properties
// Phase 1: matrix 256 rows 312 cols
[2025-06-01 01:25:20] [INFO ] Computed 58 invariants in 12 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) 0/24 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 17 unsolved
At refinement iteration 1 (OVERLAPS) 14/38 variables, 8/8 constraints. Problems are: Problem set: 0 solved, 17 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/38 variables, 0/8 constraints. Problems are: Problem set: 0 solved, 17 unsolved
At refinement iteration 3 (OVERLAPS) 57/95 variables, 25/33 constraints. Problems are: Problem set: 0 solved, 17 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/95 variables, 0/33 constraints. Problems are: Problem set: 0 solved, 17 unsolved
At refinement iteration 5 (OVERLAPS) 166/261 variables, 23/56 constraints. Problems are: Problem set: 0 solved, 17 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/261 variables, 0/56 constraints. Problems are: Problem set: 0 solved, 17 unsolved
At refinement iteration 7 (OVERLAPS) 6/267 variables, 2/58 constraints. Problems are: Problem set: 0 solved, 17 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/267 variables, 0/58 constraints. Problems are: Problem set: 0 solved, 17 unsolved
At refinement iteration 9 (OVERLAPS) 255/522 variables, 267/325 constraints. Problems are: Problem set: 0 solved, 17 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/522 variables, 0/325 constraints. Problems are: Problem set: 0 solved, 17 unsolved
At refinement iteration 11 (OVERLAPS) 46/568 variables, 45/370 constraints. Problems are: Problem set: 0 solved, 17 unsolved
At refinement iteration 12 (INCLUDED_ONLY) 0/568 variables, 0/370 constraints. Problems are: Problem set: 0 solved, 17 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 01:25:23] [INFO ] Deduced a trap composed of 12 places in 232 ms of which 43 ms to minimize.
At refinement iteration 13 (OVERLAPS) 0/568 variables, 1/371 constraints. Problems are: Problem set: 0 solved, 17 unsolved
At refinement iteration 14 (INCLUDED_ONLY) 0/568 variables, 0/371 constraints. Problems are: Problem set: 0 solved, 17 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Real declared 568/568 variables, and 371 constraints, problems are : Problem set: 0 solved, 17 unsolved in 5030 ms.
Refiners :[Positive P Invariants (semi-flows): 33/33 constraints, Generalized P Invariants (flows): 25/25 constraints, State Equation: 312/312 constraints, PredecessorRefiner: 17/17 constraints, Known Traps: 1/1 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 17 unsolved
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/24 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 17 unsolved
At refinement iteration 1 (OVERLAPS) 14/38 variables, 8/8 constraints. Problems are: Problem set: 0 solved, 17 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/38 variables, 0/8 constraints. Problems are: Problem set: 0 solved, 17 unsolved
At refinement iteration 3 (OVERLAPS) 57/95 variables, 25/33 constraints. Problems are: Problem set: 0 solved, 17 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/95 variables, 0/33 constraints. Problems are: Problem set: 0 solved, 17 unsolved
At refinement iteration 5 (OVERLAPS) 166/261 variables, 23/56 constraints. Problems are: Problem set: 0 solved, 17 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/261 variables, 1/57 constraints. Problems are: Problem set: 0 solved, 17 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/261 variables, 0/57 constraints. Problems are: Problem set: 0 solved, 17 unsolved
At refinement iteration 8 (OVERLAPS) 6/267 variables, 2/59 constraints. Problems are: Problem set: 0 solved, 17 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/267 variables, 0/59 constraints. Problems are: Problem set: 0 solved, 17 unsolved
At refinement iteration 10 (OVERLAPS) 255/522 variables, 267/326 constraints. Problems are: Problem set: 0 solved, 17 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/522 variables, 4/330 constraints. Problems are: Problem set: 0 solved, 17 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 522/568 variables, and 330 constraints, problems are : Problem set: 0 solved, 17 unsolved in 5018 ms.
Refiners :[Positive P Invariants (semi-flows): 33/33 constraints, Generalized P Invariants (flows): 25/25 constraints, State Equation: 267/312 constraints, PredecessorRefiner: 4/17 constraints, Known Traps: 1/1 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 10183ms problems are : Problem set: 0 solved, 17 unsolved
Skipping Parikh replay, no witness traces provided.
Support contains 24 out of 312 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 312/312 places, 256/256 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 312 transition count 254
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 312 transition count 254
Applied a total of 6 rules in 82 ms. Remains 312 /312 variables (removed 0) and now considering 254/256 (removed 2) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 83 ms. Remains : 312/312 places, 254/256 transitions.
RANDOM walk for 40000 steps (530 resets) in 1126 ms. (35 steps per ms) remains 15/17 properties
BEST_FIRST walk for 4003 steps (10 resets) in 28 ms. (138 steps per ms) remains 15/15 properties
BEST_FIRST walk for 4004 steps (11 resets) in 24 ms. (160 steps per ms) remains 15/15 properties
BEST_FIRST walk for 4004 steps (10 resets) in 43 ms. (91 steps per ms) remains 15/15 properties
BEST_FIRST walk for 4004 steps (27 resets) in 34 ms. (114 steps per ms) remains 15/15 properties
BEST_FIRST walk for 4003 steps (27 resets) in 26 ms. (148 steps per ms) remains 15/15 properties
BEST_FIRST walk for 4004 steps (8 resets) in 21 ms. (182 steps per ms) remains 15/15 properties
BEST_FIRST walk for 4004 steps (10 resets) in 43 ms. (91 steps per ms) remains 15/15 properties
BEST_FIRST walk for 4004 steps (9 resets) in 24 ms. (160 steps per ms) remains 15/15 properties
BEST_FIRST walk for 4002 steps (11 resets) in 28 ms. (138 steps per ms) remains 15/15 properties
BEST_FIRST walk for 4004 steps (12 resets) in 28 ms. (138 steps per ms) remains 15/15 properties
BEST_FIRST walk for 4004 steps (10 resets) in 28 ms. (138 steps per ms) remains 15/15 properties
BEST_FIRST walk for 4003 steps (9 resets) in 18 ms. (210 steps per ms) remains 15/15 properties
BEST_FIRST walk for 4004 steps (10 resets) in 57 ms. (69 steps per ms) remains 15/15 properties
BEST_FIRST walk for 4002 steps (9 resets) in 21 ms. (181 steps per ms) remains 15/15 properties
BEST_FIRST walk for 4003 steps (10 resets) in 20 ms. (190 steps per ms) remains 15/15 properties
// Phase 1: matrix 254 rows 312 cols
[2025-06-01 01:25:31] [INFO ] Computed 60 invariants in 12 ms
[2025-06-01 01:25:31] [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) 0/22 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 15 unsolved
At refinement iteration 1 (OVERLAPS) 14/36 variables, 8/8 constraints. Problems are: Problem set: 0 solved, 15 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/36 variables, 0/8 constraints. Problems are: Problem set: 0 solved, 15 unsolved
At refinement iteration 3 (OVERLAPS) 66/102 variables, 28/36 constraints. Problems are: Problem set: 0 solved, 15 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/102 variables, 0/36 constraints. Problems are: Problem set: 0 solved, 15 unsolved
At refinement iteration 5 (OVERLAPS) 166/268 variables, 24/60 constraints. Problems are: Problem set: 0 solved, 15 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/268 variables, 0/60 constraints. Problems are: Problem set: 0 solved, 15 unsolved
At refinement iteration 7 (OVERLAPS) 254/522 variables, 268/328 constraints. Problems are: Problem set: 0 solved, 15 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/522 variables, 2/330 constraints. Problems are: Problem set: 0 solved, 15 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/522 variables, 0/330 constraints. Problems are: Problem set: 0 solved, 15 unsolved
At refinement iteration 10 (OVERLAPS) 44/566 variables, 44/374 constraints. Problems are: Problem set: 0 solved, 15 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/566 variables, 0/374 constraints. Problems are: Problem set: 0 solved, 15 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 01:25:34] [INFO ] Deduced a trap composed of 6 places in 73 ms of which 6 ms to minimize.
At refinement iteration 12 (OVERLAPS) 0/566 variables, 1/375 constraints. Problems are: Problem set: 0 solved, 15 unsolved
At refinement iteration 13 (INCLUDED_ONLY) 0/566 variables, 0/375 constraints. Problems are: Problem set: 0 solved, 15 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 01:25:37] [INFO ] Deduced a trap composed of 9 places in 178 ms of which 17 ms to minimize.
At refinement iteration 14 (OVERLAPS) 0/566 variables, 1/376 constraints. Problems are: Problem set: 0 solved, 15 unsolved
At refinement iteration 15 (INCLUDED_ONLY) 0/566 variables, 0/376 constraints. Problems are: Problem set: 0 solved, 15 unsolved
At refinement iteration 16 (OVERLAPS) 0/566 variables, 0/376 constraints. Problems are: Problem set: 0 solved, 15 unsolved
No progress, stopping.
After SMT solving in domain Real declared 566/566 variables, and 376 constraints, problems are : Problem set: 0 solved, 15 unsolved in 13155 ms.
Refiners :[Positive P Invariants (semi-flows): 36/36 constraints, Generalized P Invariants (flows): 24/24 constraints, State Equation: 312/312 constraints, ReadFeed: 2/2 constraints, PredecessorRefiner: 15/15 constraints, Known Traps: 2/2 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 15 unsolved
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/22 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 15 unsolved
At refinement iteration 1 (OVERLAPS) 14/36 variables, 8/8 constraints. Problems are: Problem set: 0 solved, 15 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/36 variables, 0/8 constraints. Problems are: Problem set: 0 solved, 15 unsolved
At refinement iteration 3 (OVERLAPS) 66/102 variables, 28/36 constraints. Problems are: Problem set: 0 solved, 15 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/102 variables, 0/36 constraints. Problems are: Problem set: 0 solved, 15 unsolved
At refinement iteration 5 (OVERLAPS) 166/268 variables, 24/60 constraints. Problems are: Problem set: 0 solved, 15 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/268 variables, 2/62 constraints. Problems are: Problem set: 0 solved, 15 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/268 variables, 0/62 constraints. Problems are: Problem set: 0 solved, 15 unsolved
At refinement iteration 8 (OVERLAPS) 254/522 variables, 268/330 constraints. Problems are: Problem set: 0 solved, 15 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/522 variables, 2/332 constraints. Problems are: Problem set: 0 solved, 15 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/522 variables, 4/336 constraints. Problems are: Problem set: 0 solved, 15 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 01:25:46] [INFO ] Deduced a trap composed of 12 places in 190 ms of which 13 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 01:25:46] [INFO ] Deduced a trap composed of 9 places in 77 ms of which 7 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 01:25:47] [INFO ] Deduced a trap composed of 15 places in 115 ms of which 13 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 01:25:48] [INFO ] Deduced a trap composed of 8 places in 129 ms of which 8 ms to minimize.
At refinement iteration 11 (INCLUDED_ONLY) 0/522 variables, 4/340 constraints. Problems are: Problem set: 0 solved, 15 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 01:25:53] [INFO ] Deduced a trap composed of 16 places in 177 ms of which 17 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 01:25:54] [INFO ] Deduced a trap composed of 17 places in 183 ms of which 23 ms to minimize.
At refinement iteration 12 (INCLUDED_ONLY) 0/522 variables, 2/342 constraints. Problems are: Problem set: 0 solved, 15 unsolved
At refinement iteration 13 (INCLUDED_ONLY) 0/522 variables, 0/342 constraints. Problems are: Problem set: 0 solved, 15 unsolved
At refinement iteration 14 (OVERLAPS) 44/566 variables, 44/386 constraints. Problems are: Problem set: 0 solved, 15 unsolved
At refinement iteration 15 (INCLUDED_ONLY) 0/566 variables, 11/397 constraints. Problems are: Problem set: 0 solved, 15 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 566/566 variables, and 397 constraints, problems are : Problem set: 0 solved, 15 unsolved in 45044 ms.
Refiners :[Positive P Invariants (semi-flows): 36/36 constraints, Generalized P Invariants (flows): 24/24 constraints, State Equation: 312/312 constraints, ReadFeed: 2/2 constraints, PredecessorRefiner: 15/15 constraints, Known Traps: 8/8 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 58274ms problems are : Problem set: 0 solved, 15 unsolved
Skipping Parikh replay, no witness traces provided.
Support contains 22 out of 312 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 312/312 places, 254/254 transitions.
Applied a total of 0 rules in 23 ms. Remains 312 /312 variables (removed 0) and now considering 254/254 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 23 ms. Remains : 312/312 places, 254/254 transitions.
RANDOM walk for 40000 steps (550 resets) in 541 ms. (73 steps per ms) remains 15/15 properties
BEST_FIRST walk for 4004 steps (11 resets) in 17 ms. (222 steps per ms) remains 15/15 properties
BEST_FIRST walk for 4003 steps (10 resets) in 54 ms. (72 steps per ms) remains 15/15 properties
BEST_FIRST walk for 4004 steps (12 resets) in 25 ms. (154 steps per ms) remains 15/15 properties
BEST_FIRST walk for 4003 steps (28 resets) in 22 ms. (174 steps per ms) remains 15/15 properties
BEST_FIRST walk for 4003 steps (27 resets) in 24 ms. (160 steps per ms) remains 15/15 properties
BEST_FIRST walk for 4004 steps (11 resets) in 19 ms. (200 steps per ms) remains 15/15 properties
BEST_FIRST walk for 4004 steps (8 resets) in 20 ms. (190 steps per ms) remains 15/15 properties
BEST_FIRST walk for 4004 steps (8 resets) in 22 ms. (174 steps per ms) remains 15/15 properties
BEST_FIRST walk for 4004 steps (11 resets) in 21 ms. (182 steps per ms) remains 15/15 properties
BEST_FIRST walk for 4001 steps (11 resets) in 21 ms. (181 steps per ms) remains 15/15 properties
BEST_FIRST walk for 4003 steps (13 resets) in 19 ms. (200 steps per ms) remains 15/15 properties
BEST_FIRST walk for 4003 steps (9 resets) in 25 ms. (153 steps per ms) remains 15/15 properties
BEST_FIRST walk for 4004 steps (10 resets) in 24 ms. (160 steps per ms) remains 15/15 properties
BEST_FIRST walk for 4004 steps (10 resets) in 18 ms. (210 steps per ms) remains 15/15 properties
BEST_FIRST walk for 4003 steps (11 resets) in 22 ms. (174 steps per ms) remains 15/15 properties
Interrupted probabilistic random walk after 378985 steps, run timeout after 3001 ms. (steps per millisecond=126 ) properties seen :0 out of 15
Probabilistic random walk after 378985 steps, saw 56066 distinct states, run finished after 3011 ms. (steps per millisecond=125 ) properties seen :0
[2025-06-01 01:26:32] [INFO ] Invariant cache hit.
[2025-06-01 01:26:32] [INFO ] State equation strengthened by 2 read => feed constraints.
Starting Z3 with timeout 75.0 s and query timeout 7500.0 ms
All remaining problems are real, not stopping.
At refinement iteration 0 (INCLUDED_ONLY) 0/22 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 15 unsolved
At refinement iteration 1 (OVERLAPS) 14/36 variables, 8/8 constraints. Problems are: Problem set: 0 solved, 15 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/36 variables, 0/8 constraints. Problems are: Problem set: 0 solved, 15 unsolved
At refinement iteration 3 (OVERLAPS) 66/102 variables, 28/36 constraints. Problems are: Problem set: 0 solved, 15 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/102 variables, 0/36 constraints. Problems are: Problem set: 0 solved, 15 unsolved
At refinement iteration 5 (OVERLAPS) 166/268 variables, 24/60 constraints. Problems are: Problem set: 0 solved, 15 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/268 variables, 0/60 constraints. Problems are: Problem set: 0 solved, 15 unsolved
At refinement iteration 7 (OVERLAPS) 254/522 variables, 268/328 constraints. Problems are: Problem set: 0 solved, 15 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/522 variables, 2/330 constraints. Problems are: Problem set: 0 solved, 15 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 01:26:34] [INFO ] Deduced a trap composed of 16 places in 135 ms of which 15 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 01:26:34] [INFO ] Deduced a trap composed of 17 places in 130 ms of which 12 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 01:26:34] [INFO ] Deduced a trap composed of 12 places in 224 ms of which 17 ms to minimize.
At refinement iteration 9 (INCLUDED_ONLY) 0/522 variables, 3/333 constraints. Problems are: Problem set: 0 solved, 15 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 01:26:35] [INFO ] Deduced a trap composed of 8 places in 98 ms of which 8 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 01:26:36] [INFO ] Deduced a trap composed of 15 places in 212 ms of which 18 ms to minimize.
At refinement iteration 10 (INCLUDED_ONLY) 0/522 variables, 2/335 constraints. Problems are: Problem set: 0 solved, 15 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/522 variables, 0/335 constraints. Problems are: Problem set: 0 solved, 15 unsolved
At refinement iteration 12 (OVERLAPS) 44/566 variables, 44/379 constraints. Problems are: Problem set: 0 solved, 15 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 01:26:39] [INFO ] Deduced a trap composed of 6 places in 88 ms of which 6 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 01:26:39] [INFO ] Deduced a trap composed of 9 places in 171 ms of which 7 ms to minimize.
At refinement iteration 13 (INCLUDED_ONLY) 0/566 variables, 2/381 constraints. Problems are: Problem set: 0 solved, 15 unsolved
At refinement iteration 14 (INCLUDED_ONLY) 0/566 variables, 0/381 constraints. Problems are: Problem set: 0 solved, 15 unsolved
At refinement iteration 15 (OVERLAPS) 0/566 variables, 0/381 constraints. Problems are: Problem set: 0 solved, 15 unsolved
No progress, stopping.
After SMT solving in domain Real declared 566/566 variables, and 381 constraints, problems are : Problem set: 0 solved, 15 unsolved in 10065 ms.
Refiners :[Positive P Invariants (semi-flows): 36/36 constraints, Generalized P Invariants (flows): 24/24 constraints, State Equation: 312/312 constraints, ReadFeed: 2/2 constraints, PredecessorRefiner: 15/15 constraints, Known Traps: 7/7 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 15 unsolved
Starting Z3 with timeout 75.0 s and query timeout 7500.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/22 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 15 unsolved
At refinement iteration 1 (OVERLAPS) 14/36 variables, 8/8 constraints. Problems are: Problem set: 0 solved, 15 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/36 variables, 0/8 constraints. Problems are: Problem set: 0 solved, 15 unsolved
At refinement iteration 3 (OVERLAPS) 66/102 variables, 28/36 constraints. Problems are: Problem set: 0 solved, 15 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/102 variables, 1/37 constraints. Problems are: Problem set: 0 solved, 15 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/102 variables, 0/37 constraints. Problems are: Problem set: 0 solved, 15 unsolved
At refinement iteration 6 (OVERLAPS) 166/268 variables, 24/61 constraints. Problems are: Problem set: 0 solved, 15 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/268 variables, 6/67 constraints. Problems are: Problem set: 0 solved, 15 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 01:26:43] [INFO ] Deduced a trap composed of 8 places in 123 ms of which 7 ms to minimize.
At refinement iteration 8 (INCLUDED_ONLY) 0/268 variables, 1/68 constraints. Problems are: Problem set: 0 solved, 15 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/268 variables, 0/68 constraints. Problems are: Problem set: 0 solved, 15 unsolved
At refinement iteration 10 (OVERLAPS) 254/522 variables, 268/336 constraints. Problems are: Problem set: 0 solved, 15 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/522 variables, 2/338 constraints. Problems are: Problem set: 0 solved, 15 unsolved
At refinement iteration 12 (INCLUDED_ONLY) 0/522 variables, 4/342 constraints. Problems are: Problem set: 0 solved, 15 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 01:26:47] [INFO ] Deduced a trap composed of 7 places in 87 ms of which 6 ms to minimize.
At refinement iteration 13 (INCLUDED_ONLY) 0/522 variables, 1/343 constraints. Problems are: Problem set: 0 solved, 15 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 01:26:55] [INFO ] Deduced a trap composed of 18 places in 129 ms of which 12 ms to minimize.
At refinement iteration 14 (INCLUDED_ONLY) 0/522 variables, 1/344 constraints. Problems are: Problem set: 0 solved, 15 unsolved
At refinement iteration 15 (INCLUDED_ONLY) 0/522 variables, 0/344 constraints. Problems are: Problem set: 0 solved, 15 unsolved
At refinement iteration 16 (OVERLAPS) 44/566 variables, 44/388 constraints. Problems are: Problem set: 0 solved, 15 unsolved
At refinement iteration 17 (INCLUDED_ONLY) 0/566 variables, 11/399 constraints. Problems are: Problem set: 0 solved, 15 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 01:27:41] [INFO ] Deduced a trap composed of 9 places in 141 ms of which 12 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 01:27:42] [INFO ] Deduced a trap composed of 11 places in 94 ms of which 5 ms to minimize.
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 566/566 variables, and 401 constraints, problems are : Problem set: 0 solved, 15 unsolved in 75022 ms.
Refiners :[Positive P Invariants (semi-flows): 36/36 constraints, Generalized P Invariants (flows): 24/24 constraints, State Equation: 312/312 constraints, ReadFeed: 2/2 constraints, PredecessorRefiner: 15/15 constraints, Known Traps: 12/12 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 85120ms problems are : Problem set: 0 solved, 15 unsolved
Skipping Parikh replay, no witness traces provided.
Support contains 22 out of 312 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 312/312 places, 254/254 transitions.
Applied a total of 0 rules in 17 ms. Remains 312 /312 variables (removed 0) and now considering 254/254 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 18 ms. Remains : 312/312 places, 254/254 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 312/312 places, 254/254 transitions.
Applied a total of 0 rules in 15 ms. Remains 312 /312 variables (removed 0) and now considering 254/254 (removed 0) transitions.
[2025-06-01 01:27:57] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-01 01:27:58] [INFO ] Implicit Places using invariants in 452 ms returned []
[2025-06-01 01:27:58] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-01 01:27:58] [INFO ] State equation strengthened by 2 read => feed constraints.
[2025-06-01 01:27:59] [INFO ] Implicit Places using invariants and state equation in 688 ms returned []
Implicit Place search using SMT with State Equation took 1144 ms to find 0 implicit places.
Starting Z3 with timeout 200.0 s and query timeout 20000.0 ms
[2025-06-01 01:27:59] [INFO ] Redundant transitions in 14 ms returned []
Running 253 sub problems to find dead transitions.
[2025-06-01 01:27:59] [INFO ] Invariant cache hit.
[2025-06-01 01:27:59] [INFO ] State equation strengthened by 2 read => feed constraints.
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/311 variables, 11/11 constraints. Problems are: Problem set: 0 solved, 253 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/311 variables, 0/11 constraints. Problems are: Problem set: 0 solved, 253 unsolved
At refinement iteration 2 (OVERLAPS) 1/312 variables, 36/47 constraints. Problems are: Problem set: 0 solved, 253 unsolved
All remaining problems are real, not stopping.
At refinement iteration 3 (INCLUDED_ONLY) 0/312 variables, 13/60 constraints. Problems are: Problem set: 0 solved, 253 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/312 variables, 0/60 constraints. Problems are: Problem set: 0 solved, 253 unsolved
At refinement iteration 5 (OVERLAPS) 254/566 variables, 312/372 constraints. Problems are: Problem set: 0 solved, 253 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/566 variables, 2/374 constraints. Problems are: Problem set: 0 solved, 253 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 01:28:12] [INFO ] Deduced a trap composed of 8 places in 123 ms of which 8 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 01:28:14] [INFO ] Deduced a trap composed of 12 places in 176 ms of which 16 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 01:28:17] [INFO ] Deduced a trap composed of 7 places in 247 ms of which 17 ms to minimize.
At refinement iteration 7 (INCLUDED_ONLY) 0/566 variables, 3/377 constraints. Problems are: Problem set: 0 solved, 253 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Real declared 566/566 variables, and 377 constraints, problems are : Problem set: 0 solved, 253 unsolved in 30029 ms.
Refiners :[Positive P Invariants (semi-flows): 36/36 constraints, Generalized P Invariants (flows): 24/24 constraints, State Equation: 312/312 constraints, ReadFeed: 2/2 constraints, PredecessorRefiner: 253/253 constraints, Known Traps: 3/3 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 253 unsolved
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/311 variables, 11/11 constraints. Problems are: Problem set: 0 solved, 253 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/311 variables, 0/11 constraints. Problems are: Problem set: 0 solved, 253 unsolved
At refinement iteration 2 (OVERLAPS) 1/312 variables, 36/47 constraints. Problems are: Problem set: 0 solved, 253 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/312 variables, 13/60 constraints. Problems are: Problem set: 0 solved, 253 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/312 variables, 3/63 constraints. Problems are: Problem set: 0 solved, 253 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 01:28:33] [INFO ] Deduced a trap composed of 11 places in 70 ms of which 6 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 01:28:35] [INFO ] Deduced a trap composed of 6 places in 46 ms of which 4 ms to minimize.
At refinement iteration 5 (INCLUDED_ONLY) 0/312 variables, 2/65 constraints. Problems are: Problem set: 0 solved, 253 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/312 variables, 0/65 constraints. Problems are: Problem set: 0 solved, 253 unsolved
At refinement iteration 7 (OVERLAPS) 254/566 variables, 312/377 constraints. Problems are: Problem set: 0 solved, 253 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/566 variables, 2/379 constraints. Problems are: Problem set: 0 solved, 253 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/566 variables, 253/632 constraints. Problems are: Problem set: 0 solved, 253 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 566/566 variables, and 632 constraints, problems are : Problem set: 0 solved, 253 unsolved in 30019 ms.
Refiners :[Positive P Invariants (semi-flows): 36/36 constraints, Generalized P Invariants (flows): 24/24 constraints, State Equation: 312/312 constraints, ReadFeed: 2/2 constraints, PredecessorRefiner: 253/253 constraints, Known Traps: 5/5 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 60271ms problems are : Problem set: 0 solved, 253 unsolved
Search for dead transitions found 0 dead transitions in 60275ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 61461 ms. Remains : 312/312 places, 254/254 transitions.
Computed a total of 215 stabilizing places and 210 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(G(((F(!p0)&&F(p1)) U (X(X(p2))||G(p1))))))'
Support contains 7 out of 312 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 312/312 places, 256/256 transitions.
Applied a total of 0 rules in 6 ms. Remains 312 /312 variables (removed 0) and now considering 256/256 (removed 0) transitions.
// Phase 1: matrix 256 rows 312 cols
[2025-06-01 01:28:59] [INFO ] Computed 58 invariants in 4 ms
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-01 01:29:00] [INFO ] Implicit Places using invariants in 337 ms returned []
[2025-06-01 01:29:00] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-01 01:29:01] [INFO ] Implicit Places using invariants and state equation in 1173 ms returned []
Implicit Place search using SMT with State Equation took 1512 ms to find 0 implicit places.
Running 255 sub problems to find dead transitions.
[2025-06-01 01:29:01] [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) 0/311 variables, 12/12 constraints. Problems are: Problem set: 0 solved, 255 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/311 variables, 0/12 constraints. Problems are: Problem set: 0 solved, 255 unsolved
At refinement iteration 2 (OVERLAPS) 1/312 variables, 33/45 constraints. Problems are: Problem set: 0 solved, 255 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/312 variables, 13/58 constraints. Problems are: Problem set: 0 solved, 255 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 01:29:05] [INFO ] Deduced a trap composed of 12 places in 73 ms of which 8 ms to minimize.
At refinement iteration 4 (INCLUDED_ONLY) 0/312 variables, 1/59 constraints. Problems are: Problem set: 0 solved, 255 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/312 variables, 0/59 constraints. Problems are: Problem set: 0 solved, 255 unsolved
At refinement iteration 6 (OVERLAPS) 256/568 variables, 312/371 constraints. Problems are: Problem set: 0 solved, 255 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/568 variables, 0/371 constraints. Problems are: Problem set: 0 solved, 255 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 01:29:21] [INFO ] Deduced a trap composed of 9 places in 158 ms of which 9 ms to minimize.
At refinement iteration 8 (OVERLAPS) 0/568 variables, 1/372 constraints. Problems are: Problem set: 0 solved, 255 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Real declared 568/568 variables, and 372 constraints, problems are : Problem set: 0 solved, 255 unsolved in 30017 ms.
Refiners :[Positive P Invariants (semi-flows): 33/33 constraints, Generalized P Invariants (flows): 25/25 constraints, State Equation: 312/312 constraints, PredecessorRefiner: 255/255 constraints, Known Traps: 2/2 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 255 unsolved
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/311 variables, 12/12 constraints. Problems are: Problem set: 0 solved, 255 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/311 variables, 0/12 constraints. Problems are: Problem set: 0 solved, 255 unsolved
At refinement iteration 2 (OVERLAPS) 1/312 variables, 33/45 constraints. Problems are: Problem set: 0 solved, 255 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/312 variables, 13/58 constraints. Problems are: Problem set: 0 solved, 255 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/312 variables, 2/60 constraints. Problems are: Problem set: 0 solved, 255 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 01:29:37] [INFO ] Deduced a trap composed of 10 places in 71 ms of which 5 ms to minimize.
At refinement iteration 5 (INCLUDED_ONLY) 0/312 variables, 1/61 constraints. Problems are: Problem set: 0 solved, 255 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/312 variables, 0/61 constraints. Problems are: Problem set: 0 solved, 255 unsolved
At refinement iteration 7 (OVERLAPS) 256/568 variables, 312/373 constraints. Problems are: Problem set: 0 solved, 255 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/568 variables, 255/628 constraints. Problems are: Problem set: 0 solved, 255 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 568/568 variables, and 628 constraints, problems are : Problem set: 0 solved, 255 unsolved in 30025 ms.
Refiners :[Positive P Invariants (semi-flows): 33/33 constraints, Generalized P Invariants (flows): 25/25 constraints, State Equation: 312/312 constraints, PredecessorRefiner: 255/255 constraints, Known Traps: 3/3 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 60163ms problems are : Problem set: 0 solved, 255 unsolved
Search for dead transitions found 0 dead transitions in 60166ms
Finished structural reductions in LTL mode , in 1 iterations and 61686 ms. Remains : 312/312 places, 256/256 transitions.
Stuttering acceptance computed with spot in 1022 ms :[(AND (NOT p1) (NOT p2)), (AND (NOT p1) (NOT p2)), (AND (NOT p1) (NOT p2)), (AND (NOT p1) (NOT p2)), (AND p0 (NOT p2)), (AND p0 (NOT p2) (NOT p1)), (AND (NOT p1) (NOT p2)), (AND (NOT p1) (NOT p2)), (AND (NOT p1) (NOT p2)), (AND p0 (NOT p2)), (AND p0 (NOT p2) (NOT p1)), (AND p0 (NOT p2)), (AND p0 (NOT p1) (NOT p2)), (NOT p1), p0, (AND p0 (NOT p1))]
Running random walk in product with property : DES-PT-50a-LTLFireability-00
Stuttering criterion allowed to conclude after 35 steps with 0 reset in 4 ms.
FORMULA DES-PT-50a-LTLFireability-00 FALSE TECHNIQUES STUTTER_TEST
Treatment of property DES-PT-50a-LTLFireability-00 finished in 62834 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 3 out of 312 places. Attempting structural reductions.
Starting structural reductions in SI_LTL mode, iteration 0 : 312/312 places, 256/256 transitions.
Applied a total of 0 rules in 29 ms. Remains 312 /312 variables (removed 0) and now considering 256/256 (removed 0) transitions.
[2025-06-01 01:30:02] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-01 01:30:03] [INFO ] Implicit Places using invariants in 483 ms returned []
[2025-06-01 01:30:03] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-01 01:30:04] [INFO ] Implicit Places using invariants and state equation in 1334 ms returned []
Implicit Place search using SMT with State Equation took 1846 ms to find 0 implicit places.
Starting Z3 with timeout 200.0 s and query timeout 20000.0 ms
[2025-06-01 01:30:04] [INFO ] Redundant transitions in 17 ms returned []
Running 255 sub problems to find dead transitions.
[2025-06-01 01:30:04] [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) 0/311 variables, 12/12 constraints. Problems are: Problem set: 0 solved, 255 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/311 variables, 0/12 constraints. Problems are: Problem set: 0 solved, 255 unsolved
At refinement iteration 2 (OVERLAPS) 1/312 variables, 33/45 constraints. Problems are: Problem set: 0 solved, 255 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/312 variables, 13/58 constraints. Problems are: Problem set: 0 solved, 255 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 01:30:08] [INFO ] Deduced a trap composed of 12 places in 58 ms of which 7 ms to minimize.
At refinement iteration 4 (INCLUDED_ONLY) 0/312 variables, 1/59 constraints. Problems are: Problem set: 0 solved, 255 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/312 variables, 0/59 constraints. Problems are: Problem set: 0 solved, 255 unsolved
At refinement iteration 6 (OVERLAPS) 256/568 variables, 312/371 constraints. Problems are: Problem set: 0 solved, 255 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/568 variables, 0/371 constraints. Problems are: Problem set: 0 solved, 255 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 01:30:25] [INFO ] Deduced a trap composed of 9 places in 161 ms of which 8 ms to minimize.
At refinement iteration 8 (OVERLAPS) 0/568 variables, 1/372 constraints. Problems are: Problem set: 0 solved, 255 unsolved
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1.0 org.smtlib.IParser$ParserException: Unbalanced parentheses at end of input")
Solver is answering 'unknown', stopping.
After SMT solving in domain Real declared 568/568 variables, and 372 constraints, problems are : Problem set: 0 solved, 255 unsolved in 30023 ms.
Refiners :[Positive P Invariants (semi-flows): 33/33 constraints, Generalized P Invariants (flows): 25/25 constraints, State Equation: 312/312 constraints, PredecessorRefiner: 255/255 constraints, Known Traps: 2/2 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 255 unsolved
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/311 variables, 12/12 constraints. Problems are: Problem set: 0 solved, 255 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/311 variables, 0/12 constraints. Problems are: Problem set: 0 solved, 255 unsolved
At refinement iteration 2 (OVERLAPS) 1/312 variables, 33/45 constraints. Problems are: Problem set: 0 solved, 255 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/312 variables, 13/58 constraints. Problems are: Problem set: 0 solved, 255 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/312 variables, 2/60 constraints. Problems are: Problem set: 0 solved, 255 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 01:30:40] [INFO ] Deduced a trap composed of 10 places in 77 ms of which 6 ms to minimize.
At refinement iteration 5 (INCLUDED_ONLY) 0/312 variables, 1/61 constraints. Problems are: Problem set: 0 solved, 255 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/312 variables, 0/61 constraints. Problems are: Problem set: 0 solved, 255 unsolved
At refinement iteration 7 (OVERLAPS) 256/568 variables, 312/373 constraints. Problems are: Problem set: 0 solved, 255 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/568 variables, 255/628 constraints. Problems are: Problem set: 0 solved, 255 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 568/568 variables, and 628 constraints, problems are : Problem set: 0 solved, 255 unsolved in 30022 ms.
Refiners :[Positive P Invariants (semi-flows): 33/33 constraints, Generalized P Invariants (flows): 25/25 constraints, State Equation: 312/312 constraints, PredecessorRefiner: 255/255 constraints, Known Traps: 3/3 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 60176ms problems are : Problem set: 0 solved, 255 unsolved
Search for dead transitions found 0 dead transitions in 60177ms
Finished structural reductions in SI_LTL mode , in 1 iterations and 62078 ms. Remains : 312/312 places, 256/256 transitions.
Stuttering acceptance computed with spot in 116 ms :[(NOT p1), (NOT p1)]
Running random walk in product with property : DES-PT-50a-LTLFireability-01
Stuttering criterion allowed to conclude after 63 steps with 0 reset in 2 ms.
FORMULA DES-PT-50a-LTLFireability-01 FALSE TECHNIQUES STUTTER_TEST
Treatment of property DES-PT-50a-LTLFireability-01 finished in 62223 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(p1) U p2)||p0))&&X(X(F(p3)))))'
Support contains 7 out of 312 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 312/312 places, 256/256 transitions.
Applied a total of 0 rules in 9 ms. Remains 312 /312 variables (removed 0) and now considering 256/256 (removed 0) transitions.
[2025-06-01 01:31:04] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-01 01:31:05] [INFO ] Implicit Places using invariants in 546 ms returned []
[2025-06-01 01:31:05] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-01 01:31:06] [INFO ] Implicit Places using invariants and state equation in 1065 ms returned []
Implicit Place search using SMT with State Equation took 1614 ms to find 0 implicit places.
Running 255 sub problems to find dead transitions.
[2025-06-01 01:31:06] [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) 0/311 variables, 12/12 constraints. Problems are: Problem set: 0 solved, 255 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/311 variables, 0/12 constraints. Problems are: Problem set: 0 solved, 255 unsolved
At refinement iteration 2 (OVERLAPS) 1/312 variables, 33/45 constraints. Problems are: Problem set: 0 solved, 255 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/312 variables, 13/58 constraints. Problems are: Problem set: 0 solved, 255 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 01:31:11] [INFO ] Deduced a trap composed of 12 places in 56 ms of which 5 ms to minimize.
At refinement iteration 4 (INCLUDED_ONLY) 0/312 variables, 1/59 constraints. Problems are: Problem set: 0 solved, 255 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/312 variables, 0/59 constraints. Problems are: Problem set: 0 solved, 255 unsolved
At refinement iteration 6 (OVERLAPS) 256/568 variables, 312/371 constraints. Problems are: Problem set: 0 solved, 255 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/568 variables, 0/371 constraints. Problems are: Problem set: 0 solved, 255 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 01:31:26] [INFO ] Deduced a trap composed of 9 places in 150 ms of which 9 ms to minimize.
At refinement iteration 8 (OVERLAPS) 0/568 variables, 1/372 constraints. Problems are: Problem set: 0 solved, 255 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Real declared 568/568 variables, and 372 constraints, problems are : Problem set: 0 solved, 255 unsolved in 30025 ms.
Refiners :[Positive P Invariants (semi-flows): 33/33 constraints, Generalized P Invariants (flows): 25/25 constraints, State Equation: 312/312 constraints, PredecessorRefiner: 255/255 constraints, Known Traps: 2/2 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 255 unsolved
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/311 variables, 12/12 constraints. Problems are: Problem set: 0 solved, 255 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/311 variables, 0/12 constraints. Problems are: Problem set: 0 solved, 255 unsolved
At refinement iteration 2 (OVERLAPS) 1/312 variables, 33/45 constraints. Problems are: Problem set: 0 solved, 255 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/312 variables, 13/58 constraints. Problems are: Problem set: 0 solved, 255 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/312 variables, 2/60 constraints. Problems are: Problem set: 0 solved, 255 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 01:31:41] [INFO ] Deduced a trap composed of 10 places in 79 ms of which 5 ms to minimize.
At refinement iteration 5 (INCLUDED_ONLY) 0/312 variables, 1/61 constraints. Problems are: Problem set: 0 solved, 255 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/312 variables, 0/61 constraints. Problems are: Problem set: 0 solved, 255 unsolved
At refinement iteration 7 (OVERLAPS) 256/568 variables, 312/373 constraints. Problems are: Problem set: 0 solved, 255 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/568 variables, 255/628 constraints. Problems are: Problem set: 0 solved, 255 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 568/568 variables, and 628 constraints, problems are : Problem set: 0 solved, 255 unsolved in 30020 ms.
Refiners :[Positive P Invariants (semi-flows): 33/33 constraints, Generalized P Invariants (flows): 25/25 constraints, State Equation: 312/312 constraints, PredecessorRefiner: 255/255 constraints, Known Traps: 3/3 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 60192ms problems are : Problem set: 0 solved, 255 unsolved
Search for dead transitions found 0 dead transitions in 60198ms
Finished structural reductions in LTL mode , in 1 iterations and 61823 ms. Remains : 312/312 places, 256/256 transitions.
Stuttering acceptance computed with spot in 367 ms :[(OR (NOT p3) (AND (NOT p0) (NOT p2))), (NOT p1), (NOT p2), (AND (NOT p0) (NOT p2)), (NOT p3), (NOT p3)]
Running random walk in product with property : DES-PT-50a-LTLFireability-02
Product exploration explored 100000 steps with 4280 reset in 653 ms.
Product exploration explored 100000 steps with 4071 reset in 414 ms.
Computed a total of 215 stabilizing places and 210 stable transitions
Computed a total of 215 stabilizing places and 210 stable transitions
Detected a total of 215/312 stabilizing places and 210/256 transitions leading to convergence knowledge of the form 'F(Gp|G!p)' for 3/4 atomic propositions.
Knowledge obtained : [(AND p0 (NOT p2) (NOT p1) p3), (X (NOT p2)), (X (NOT p1)), (X (NOT (AND (NOT p0) (NOT p2)))), (X (AND (NOT p2) (NOT p1))), (X (NOT (AND (NOT p0) (NOT p2) (NOT p1)))), (X p0), (X (X (NOT p2))), (X (X (NOT p1))), (X (X (NOT (AND (NOT p0) (NOT p2))))), (X (X p3)), (X (X (AND (NOT p2) (NOT p1)))), (X (X (NOT (AND (NOT p0) (NOT p2) (NOT p1))))), (X (X p0)), (F (OR (G p0) (G (NOT p0)))), (F (OR (G p2) (G (NOT p2)))), (F (OR (G p3) (G (NOT p3))))]
False Knowledge obtained : []
Knowledge sufficient to adopt a stutter insensitive property.
Knowledge based reduction with 17 factoid took 583 ms. Reduced automaton from 6 states, 12 edges and 4 AP (stutter sensitive) to 3 states, 6 edges and 3 AP (stutter insensitive).
Stuttering acceptance computed with spot in 181 ms :[(AND (NOT p0) (NOT p2)), (NOT p1), (NOT p2)]
RANDOM walk for 40000 steps (907 resets) in 733 ms. (54 steps per ms) remains 4/6 properties
BEST_FIRST walk for 40003 steps (180 resets) in 221 ms. (180 steps per ms) remains 4/4 properties
BEST_FIRST walk for 40003 steps (203 resets) in 216 ms. (184 steps per ms) remains 4/4 properties
BEST_FIRST walk for 40004 steps (205 resets) in 174 ms. (228 steps per ms) remains 4/4 properties
BEST_FIRST walk for 40003 steps (206 resets) in 115 ms. (344 steps per ms) remains 4/4 properties
[2025-06-01 01:32:09] [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) 0/7 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 1 (OVERLAPS) 4/11 variables, 3/3 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/11 variables, 0/3 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 3 (OVERLAPS) 71/82 variables, 30/33 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/82 variables, 0/33 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 5 (OVERLAPS) 175/257 variables, 24/57 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/257 variables, 0/57 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 7 (OVERLAPS) 3/260 variables, 1/58 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/260 variables, 0/58 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 9 (OVERLAPS) 255/515 variables, 260/318 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/515 variables, 0/318 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 11 (OVERLAPS) 53/568 variables, 52/370 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 12 (INCLUDED_ONLY) 0/568 variables, 0/370 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 13 (OVERLAPS) 0/568 variables, 0/370 constraints. Problems are: Problem set: 0 solved, 4 unsolved
No progress, stopping.
After SMT solving in domain Real declared 568/568 variables, and 370 constraints, problems are : Problem set: 0 solved, 4 unsolved in 656 ms.
Refiners :[Positive P Invariants (semi-flows): 33/33 constraints, Generalized P Invariants (flows): 25/25 constraints, State Equation: 312/312 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) 0/7 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 1 (OVERLAPS) 4/11 variables, 3/3 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/11 variables, 0/3 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 3 (OVERLAPS) 71/82 variables, 30/33 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/82 variables, 0/33 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 5 (OVERLAPS) 175/257 variables, 24/57 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/257 variables, 0/57 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 7 (OVERLAPS) 3/260 variables, 1/58 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/260 variables, 0/58 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 9 (OVERLAPS) 255/515 variables, 260/318 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/515 variables, 1/319 constraints. Problems are: Problem set: 0 solved, 4 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 01:32:10] [INFO ] Deduced a trap composed of 12 places in 157 ms of which 17 ms to minimize.
At refinement iteration 11 (INCLUDED_ONLY) 0/515 variables, 1/320 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 12 (INCLUDED_ONLY) 0/515 variables, 0/320 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 13 (OVERLAPS) 53/568 variables, 52/372 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 14 (INCLUDED_ONLY) 0/568 variables, 3/375 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 15 (INCLUDED_ONLY) 0/568 variables, 0/375 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 16 (OVERLAPS) 0/568 variables, 0/375 constraints. Problems are: Problem set: 0 solved, 4 unsolved
No progress, stopping.
After SMT solving in domain Int declared 568/568 variables, and 375 constraints, problems are : Problem set: 0 solved, 4 unsolved in 4795 ms.
Refiners :[Positive P Invariants (semi-flows): 33/33 constraints, Generalized P Invariants (flows): 25/25 constraints, State Equation: 312/312 constraints, PredecessorRefiner: 4/4 constraints, Known Traps: 1/1 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 5463ms problems are : Problem set: 0 solved, 4 unsolved
Fused 4 Parikh solutions to 2 different solutions.
Parikh walk visited 3 properties in 1020 ms.
Support contains 3 out of 312 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 312/312 places, 256/256 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 312 transition count 254
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 312 transition count 254
Reduce places removed 1 places and 1 transitions.
Iterating global reduction 1 with 1 rules applied. Total rules applied 9 place count 311 transition count 253
Applied a total of 9 rules in 50 ms. Remains 311 /312 variables (removed 1) and now considering 253/256 (removed 3) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 51 ms. Remains : 311/312 places, 253/256 transitions.
RANDOM walk for 40000 steps (548 resets) in 114 ms. (347 steps per ms) remains 1/1 properties
BEST_FIRST walk for 40003 steps (97 resets) in 59 ms. (666 steps per ms) remains 1/1 properties
Interrupted probabilistic random walk after 920568 steps, run timeout after 3001 ms. (steps per millisecond=306 ) properties seen :0 out of 1
Probabilistic random walk after 920568 steps, saw 131067 distinct states, run finished after 3001 ms. (steps per millisecond=306 ) properties seen :0
// Phase 1: matrix 253 rows 311 cols
[2025-06-01 01:32:18] [INFO ] Computed 60 invariants in 8 ms
[2025-06-01 01:32:18] [INFO ] State equation strengthened by 2 read => feed constraints.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/3 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 1 (OVERLAPS) 2/5 variables, 2/2 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/5 variables, 0/2 constraints. Problems are: Problem set: 0 solved, 1 unsolved
All remaining problems are real, not stopping.
At refinement iteration 3 (OVERLAPS) 182/187 variables, 8/10 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/187 variables, 0/10 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (OVERLAPS) 31/218 variables, 21/31 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/218 variables, 0/31 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (OVERLAPS) 25/243 variables, 17/48 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/243 variables, 0/48 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (OVERLAPS) 7/250 variables, 7/55 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/250 variables, 0/55 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 11 (OVERLAPS) 200/450 variables, 250/305 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 12 (INCLUDED_ONLY) 0/450 variables, 2/307 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 13 (INCLUDED_ONLY) 0/450 variables, 0/307 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 14 (OVERLAPS) 12/462 variables, 8/315 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 15 (INCLUDED_ONLY) 0/462 variables, 3/318 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 16 (INCLUDED_ONLY) 0/462 variables, 0/318 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 17 (OVERLAPS) 1/463 variables, 1/319 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 18 (INCLUDED_ONLY) 0/463 variables, 1/320 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 19 (INCLUDED_ONLY) 0/463 variables, 0/320 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 20 (OVERLAPS) 52/515 variables, 3/323 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 21 (INCLUDED_ONLY) 0/515 variables, 1/324 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 22 (INCLUDED_ONLY) 0/515 variables, 0/324 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 23 (OVERLAPS) 49/564 variables, 49/373 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 24 (INCLUDED_ONLY) 0/564 variables, 0/373 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 25 (OVERLAPS) 0/564 variables, 0/373 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Real declared 564/564 variables, and 373 constraints, problems are : Problem set: 0 solved, 1 unsolved in 655 ms.
Refiners :[Positive P Invariants (semi-flows): 35/35 constraints, Generalized P Invariants (flows): 25/25 constraints, State Equation: 311/311 constraints, ReadFeed: 2/2 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) 0/3 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 1 (OVERLAPS) 2/5 variables, 2/2 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/5 variables, 0/2 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (OVERLAPS) 182/187 variables, 8/10 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/187 variables, 0/10 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (OVERLAPS) 31/218 variables, 21/31 constraints. Problems are: Problem set: 0 solved, 1 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 01:32:19] [INFO ] Deduced a trap composed of 11 places in 61 ms of which 3 ms to minimize.
At refinement iteration 6 (INCLUDED_ONLY) 0/218 variables, 1/32 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/218 variables, 0/32 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (OVERLAPS) 25/243 variables, 17/49 constraints. Problems are: Problem set: 0 solved, 1 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 01:32:19] [INFO ] Deduced a trap composed of 7 places in 97 ms of which 4 ms to minimize.
At refinement iteration 9 (INCLUDED_ONLY) 0/243 variables, 1/50 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/243 variables, 0/50 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 11 (OVERLAPS) 7/250 variables, 7/57 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 12 (INCLUDED_ONLY) 0/250 variables, 0/57 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 13 (OVERLAPS) 200/450 variables, 250/307 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 14 (INCLUDED_ONLY) 0/450 variables, 2/309 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 15 (INCLUDED_ONLY) 0/450 variables, 1/310 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 16 (INCLUDED_ONLY) 0/450 variables, 0/310 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 17 (OVERLAPS) 12/462 variables, 8/318 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 18 (INCLUDED_ONLY) 0/462 variables, 3/321 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 19 (INCLUDED_ONLY) 0/462 variables, 0/321 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 20 (OVERLAPS) 1/463 variables, 1/322 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 21 (INCLUDED_ONLY) 0/463 variables, 1/323 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 22 (INCLUDED_ONLY) 0/463 variables, 0/323 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 23 (OVERLAPS) 52/515 variables, 3/326 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 24 (INCLUDED_ONLY) 0/515 variables, 1/327 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 25 (INCLUDED_ONLY) 0/515 variables, 0/327 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 26 (OVERLAPS) 49/564 variables, 49/376 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 27 (INCLUDED_ONLY) 0/564 variables, 0/376 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 28 (OVERLAPS) 0/564 variables, 0/376 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Int declared 564/564 variables, and 376 constraints, problems are : Problem set: 0 solved, 1 unsolved in 2104 ms.
Refiners :[Positive P Invariants (semi-flows): 35/35 constraints, Generalized P Invariants (flows): 25/25 constraints, State Equation: 311/311 constraints, ReadFeed: 2/2 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 2/2 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 2784ms problems are : Problem set: 0 solved, 1 unsolved
Parikh walk visited 0 properties in 371 ms.
Support contains 3 out of 311 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 311/311 places, 253/253 transitions.
Applied a total of 0 rules in 15 ms. Remains 311 /311 variables (removed 0) and now considering 253/253 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 15 ms. Remains : 311/311 places, 253/253 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 311/311 places, 253/253 transitions.
Applied a total of 0 rules in 15 ms. Remains 311 /311 variables (removed 0) and now considering 253/253 (removed 0) transitions.
[2025-06-01 01:32:22] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-01 01:32:22] [INFO ] Implicit Places using invariants in 365 ms returned []
[2025-06-01 01:32:22] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-01 01:32:22] [INFO ] State equation strengthened by 2 read => feed constraints.
[2025-06-01 01:32:23] [INFO ] Implicit Places using invariants and state equation in 930 ms returned []
Implicit Place search using SMT with State Equation took 1299 ms to find 0 implicit places.
Starting Z3 with timeout 200.0 s and query timeout 20000.0 ms
[2025-06-01 01:32:23] [INFO ] Redundant transitions in 2 ms returned []
Running 250 sub problems to find dead transitions.
[2025-06-01 01:32:23] [INFO ] Invariant cache hit.
[2025-06-01 01:32:23] [INFO ] State equation strengthened by 2 read => feed constraints.
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/308 variables, 35/35 constraints. Problems are: Problem set: 0 solved, 250 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/308 variables, 17/52 constraints. Problems are: Problem set: 0 solved, 250 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/308 variables, 0/52 constraints. Problems are: Problem set: 0 solved, 250 unsolved
All remaining problems are real, not stopping.
At refinement iteration 3 (OVERLAPS) 2/310 variables, 8/60 constraints. Problems are: Problem set: 0 solved, 250 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/310 variables, 0/60 constraints. Problems are: Problem set: 0 solved, 250 unsolved
At refinement iteration 5 (OVERLAPS) 253/563 variables, 310/370 constraints. Problems are: Problem set: 0 solved, 250 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/563 variables, 2/372 constraints. Problems are: Problem set: 0 solved, 250 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 01:32:36] [INFO ] Deduced a trap composed of 11 places in 108 ms of which 7 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 01:32:37] [INFO ] Deduced a trap composed of 65 places in 260 ms of which 35 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 01:32:41] [INFO ] Deduced a trap composed of 8 places in 93 ms of which 5 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 01:32:41] [INFO ] Deduced a trap composed of 10 places in 86 ms of which 5 ms to minimize.
At refinement iteration 7 (INCLUDED_ONLY) 0/563 variables, 4/376 constraints. Problems are: Problem set: 0 solved, 250 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 01:32:45] [INFO ] Deduced a trap composed of 10 places in 141 ms of which 12 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 01:32:45] [INFO ] Deduced a trap composed of 13 places in 119 ms of which 10 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 01:32:47] [INFO ] Deduced a trap composed of 7 places in 200 ms of which 10 ms to minimize.
At refinement iteration 8 (INCLUDED_ONLY) 0/563 variables, 3/379 constraints. Problems are: Problem set: 0 solved, 250 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Real declared 563/564 variables, and 379 constraints, problems are : Problem set: 0 solved, 250 unsolved in 30017 ms.
Refiners :[Positive P Invariants (semi-flows): 35/35 constraints, Generalized P Invariants (flows): 25/25 constraints, State Equation: 310/311 constraints, ReadFeed: 2/2 constraints, PredecessorRefiner: 250/250 constraints, Known Traps: 7/7 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 250 unsolved
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/308 variables, 35/35 constraints. Problems are: Problem set: 0 solved, 250 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/308 variables, 17/52 constraints. Problems are: Problem set: 0 solved, 250 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/308 variables, 7/59 constraints. Problems are: Problem set: 0 solved, 250 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/308 variables, 0/59 constraints. Problems are: Problem set: 0 solved, 250 unsolved
At refinement iteration 4 (OVERLAPS) 2/310 variables, 8/67 constraints. Problems are: Problem set: 0 solved, 250 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 01:32:59] [INFO ] Deduced a trap composed of 5 places in 102 ms of which 10 ms to minimize.
At refinement iteration 5 (INCLUDED_ONLY) 0/310 variables, 1/68 constraints. Problems are: Problem set: 0 solved, 250 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/310 variables, 0/68 constraints. Problems are: Problem set: 0 solved, 250 unsolved
At refinement iteration 7 (OVERLAPS) 253/563 variables, 310/378 constraints. Problems are: Problem set: 0 solved, 250 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/563 variables, 2/380 constraints. Problems are: Problem set: 0 solved, 250 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/563 variables, 250/630 constraints. Problems are: Problem set: 0 solved, 250 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 563/564 variables, and 630 constraints, problems are : Problem set: 0 solved, 250 unsolved in 30023 ms.
Refiners :[Positive P Invariants (semi-flows): 35/35 constraints, Generalized P Invariants (flows): 25/25 constraints, State Equation: 310/311 constraints, ReadFeed: 2/2 constraints, PredecessorRefiner: 250/250 constraints, Known Traps: 8/8 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 60152ms problems are : Problem set: 0 solved, 250 unsolved
Search for dead transitions found 0 dead transitions in 60153ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 61476 ms. Remains : 311/311 places, 253/253 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 311 transition count 253
Applied a total of 1 rules in 21 ms. Remains 311 /311 variables (removed 0) and now considering 253/253 (removed 0) transitions.
Running SMT prover for 1 properties.
// Phase 1: matrix 253 rows 311 cols
[2025-06-01 01:33:23] [INFO ] Computed 60 invariants in 6 ms
Starting Z3 with timeout 450.0 s and query timeout 45000.0 ms
[2025-06-01 01:33:23] [INFO ] [Real]Absence check using 35 positive place invariants in 19 ms returned sat
[2025-06-01 01:33:23] [INFO ] [Real]Absence check using 35 positive and 25 generalized place invariants in 40 ms returned sat
[2025-06-01 01:33:23] [INFO ] After 179ms SMT Verify possible using all constraints in real domain returned unsat :0 sat :0 real:1
Starting Z3 with timeout 450.0 s and query timeout 45000.0 ms
[2025-06-01 01:33:23] [INFO ] [Nat]Absence check using 35 positive place invariants in 15 ms returned sat
[2025-06-01 01:33:23] [INFO ] [Nat]Absence check using 35 positive and 25 generalized place invariants in 41 ms returned sat
[2025-06-01 01:33:24] [INFO ] After 320ms SMT Verify possible using state equation in natural domain returned unsat :0 sat :1
TRAPS : Iteration 0
[2025-06-01 01:33:24] [INFO ] After 389ms SMT Verify possible using trap constraints in natural domain returned unsat :0 sat :1
[2025-06-01 01:33:24] [INFO ] After 612ms SMT Verify possible using all constraints in natural domain returned unsat :0 sat :1
Over-approximation ignoring read arcs solved 0 properties in 840 ms.
Knowledge obtained : [(AND p0 (NOT p2) (NOT p1) p3), (X (NOT p2)), (X (NOT p1)), (X (NOT (AND (NOT p0) (NOT p2)))), (X (AND (NOT p2) (NOT p1))), (X (NOT (AND (NOT p0) (NOT p2) (NOT p1)))), (X p0), (X (X (NOT p2))), (X (X (NOT p1))), (X (X (NOT (AND (NOT p0) (NOT p2))))), (X (X p3)), (X (X (AND (NOT p2) (NOT p1)))), (X (X (NOT (AND (NOT p0) (NOT p2) (NOT p1))))), (X (X p0)), (F (OR (G p0) (G (NOT p0)))), (F (OR (G p2) (G (NOT p2)))), (F (OR (G p3) (G (NOT p3))))]
False Knowledge obtained : [(F (NOT p0)), (F (NOT (OR p0 p2 p1))), (F p1), (F (NOT (AND (NOT p2) (NOT p1)))), (F (NOT (OR p0 p2)))]
Knowledge based reduction with 17 factoid took 1470 ms. Reduced automaton from 3 states, 6 edges and 3 AP (stutter insensitive) to 3 states, 6 edges and 3 AP (stutter insensitive).
Stuttering acceptance computed with spot in 112 ms :[(AND (NOT p0) (NOT p2)), (NOT p1), (NOT p2)]
Stuttering acceptance computed with spot in 109 ms :[(AND (NOT p0) (NOT p2)), (NOT p1), (NOT p2)]
Support contains 7 out of 312 places. Attempting structural reductions.
Starting structural reductions in SI_LTL mode, iteration 0 : 312/312 places, 256/256 transitions.
Applied a total of 0 rules in 15 ms. Remains 312 /312 variables (removed 0) and now considering 256/256 (removed 0) transitions.
// Phase 1: matrix 256 rows 312 cols
[2025-06-01 01:33:26] [INFO ] Computed 58 invariants in 3 ms
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-01 01:33:26] [INFO ] Implicit Places using invariants in 469 ms returned []
[2025-06-01 01:33:26] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-01 01:33:27] [INFO ] Implicit Places using invariants and state equation in 1083 ms returned []
Implicit Place search using SMT with State Equation took 1559 ms to find 0 implicit places.
Starting Z3 with timeout 200.0 s and query timeout 20000.0 ms
[2025-06-01 01:33:27] [INFO ] Redundant transitions in 1 ms returned []
Running 255 sub problems to find dead transitions.
[2025-06-01 01:33:27] [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) 0/311 variables, 12/12 constraints. Problems are: Problem set: 0 solved, 255 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/311 variables, 0/12 constraints. Problems are: Problem set: 0 solved, 255 unsolved
At refinement iteration 2 (OVERLAPS) 1/312 variables, 33/45 constraints. Problems are: Problem set: 0 solved, 255 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/312 variables, 13/58 constraints. Problems are: Problem set: 0 solved, 255 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 01:33:33] [INFO ] Deduced a trap composed of 12 places in 79 ms of which 9 ms to minimize.
At refinement iteration 4 (INCLUDED_ONLY) 0/312 variables, 1/59 constraints. Problems are: Problem set: 0 solved, 255 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/312 variables, 0/59 constraints. Problems are: Problem set: 0 solved, 255 unsolved
At refinement iteration 6 (OVERLAPS) 256/568 variables, 312/371 constraints. Problems are: Problem set: 0 solved, 255 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/568 variables, 0/371 constraints. Problems are: Problem set: 0 solved, 255 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 01:33:52] [INFO ] Deduced a trap composed of 9 places in 159 ms of which 9 ms to minimize.
At refinement iteration 8 (OVERLAPS) 0/568 variables, 1/372 constraints. Problems are: Problem set: 0 solved, 255 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Real declared 568/568 variables, and 372 constraints, problems are : Problem set: 0 solved, 255 unsolved in 30016 ms.
Refiners :[Positive P Invariants (semi-flows): 33/33 constraints, Generalized P Invariants (flows): 25/25 constraints, State Equation: 312/312 constraints, PredecessorRefiner: 255/255 constraints, Known Traps: 2/2 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 255 unsolved
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/311 variables, 12/12 constraints. Problems are: Problem set: 0 solved, 255 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/311 variables, 0/12 constraints. Problems are: Problem set: 0 solved, 255 unsolved
At refinement iteration 2 (OVERLAPS) 1/312 variables, 33/45 constraints. Problems are: Problem set: 0 solved, 255 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/312 variables, 13/58 constraints. Problems are: Problem set: 0 solved, 255 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/312 variables, 2/60 constraints. Problems are: Problem set: 0 solved, 255 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 01:34:03] [INFO ] Deduced a trap composed of 10 places in 77 ms of which 6 ms to minimize.
At refinement iteration 5 (INCLUDED_ONLY) 0/312 variables, 1/61 constraints. Problems are: Problem set: 0 solved, 255 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/312 variables, 0/61 constraints. Problems are: Problem set: 0 solved, 255 unsolved
At refinement iteration 7 (OVERLAPS) 256/568 variables, 312/373 constraints. Problems are: Problem set: 0 solved, 255 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/568 variables, 255/628 constraints. Problems are: Problem set: 0 solved, 255 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 568/568 variables, and 628 constraints, problems are : Problem set: 0 solved, 255 unsolved in 30020 ms.
Refiners :[Positive P Invariants (semi-flows): 33/33 constraints, Generalized P Invariants (flows): 25/25 constraints, State Equation: 312/312 constraints, PredecessorRefiner: 255/255 constraints, Known Traps: 3/3 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 60153ms problems are : Problem set: 0 solved, 255 unsolved
Search for dead transitions found 0 dead transitions in 60155ms
Finished structural reductions in SI_LTL mode , in 1 iterations and 61736 ms. Remains : 312/312 places, 256/256 transitions.
Computed a total of 215 stabilizing places and 210 stable transitions
Computed a total of 215 stabilizing places and 210 stable transitions
Detected a total of 215/312 stabilizing places and 210/256 transitions leading to convergence knowledge of the form 'F(Gp|G!p)' for 2/3 atomic propositions.
Knowledge obtained : [(AND p0 (NOT p2) (NOT p1)), (X (NOT p2)), (X (NOT p1)), (X (AND (NOT p2) (NOT p1))), (X (X (NOT p2))), (X (X (NOT p1))), (X (X (AND (NOT p2) (NOT p1)))), (F (OR (G p0) (G (NOT p0)))), (F (OR (G p2) (G (NOT p2))))]
False Knowledge obtained : []
Knowledge based reduction with 9 factoid took 448 ms. Reduced automaton from 3 states, 6 edges and 3 AP (stutter insensitive) to 3 states, 6 edges and 3 AP (stutter insensitive).
Stuttering acceptance computed with spot in 166 ms :[(AND (NOT p0) (NOT p2)), (NOT p1), (NOT p2)]
RANDOM walk for 40000 steps (878 resets) in 216 ms. (184 steps per ms) remains 4/6 properties
BEST_FIRST walk for 40003 steps (186 resets) in 81 ms. (487 steps per ms) remains 4/4 properties
BEST_FIRST walk for 40003 steps (206 resets) in 88 ms. (449 steps per ms) remains 4/4 properties
BEST_FIRST walk for 40003 steps (199 resets) in 96 ms. (412 steps per ms) remains 4/4 properties
BEST_FIRST walk for 40002 steps (202 resets) in 96 ms. (412 steps per ms) remains 4/4 properties
[2025-06-01 01:34:28] [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) 0/7 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 1 (OVERLAPS) 4/11 variables, 3/3 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/11 variables, 0/3 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 3 (OVERLAPS) 71/82 variables, 30/33 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/82 variables, 0/33 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 5 (OVERLAPS) 175/257 variables, 24/57 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/257 variables, 0/57 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 7 (OVERLAPS) 3/260 variables, 1/58 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/260 variables, 0/58 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 9 (OVERLAPS) 255/515 variables, 260/318 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/515 variables, 0/318 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 11 (OVERLAPS) 53/568 variables, 52/370 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 12 (INCLUDED_ONLY) 0/568 variables, 0/370 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 13 (OVERLAPS) 0/568 variables, 0/370 constraints. Problems are: Problem set: 0 solved, 4 unsolved
No progress, stopping.
After SMT solving in domain Real declared 568/568 variables, and 370 constraints, problems are : Problem set: 0 solved, 4 unsolved in 812 ms.
Refiners :[Positive P Invariants (semi-flows): 33/33 constraints, Generalized P Invariants (flows): 25/25 constraints, State Equation: 312/312 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) 0/7 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 1 (OVERLAPS) 4/11 variables, 3/3 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/11 variables, 0/3 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 3 (OVERLAPS) 71/82 variables, 30/33 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/82 variables, 0/33 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 5 (OVERLAPS) 175/257 variables, 24/57 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/257 variables, 0/57 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 7 (OVERLAPS) 3/260 variables, 1/58 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/260 variables, 0/58 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 9 (OVERLAPS) 255/515 variables, 260/318 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/515 variables, 1/319 constraints. Problems are: Problem set: 0 solved, 4 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 01:34:30] [INFO ] Deduced a trap composed of 12 places in 225 ms of which 16 ms to minimize.
At refinement iteration 11 (INCLUDED_ONLY) 0/515 variables, 1/320 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 12 (INCLUDED_ONLY) 0/515 variables, 0/320 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 13 (OVERLAPS) 53/568 variables, 52/372 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 14 (INCLUDED_ONLY) 0/568 variables, 3/375 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 15 (INCLUDED_ONLY) 0/568 variables, 0/375 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 16 (OVERLAPS) 0/568 variables, 0/375 constraints. Problems are: Problem set: 0 solved, 4 unsolved
No progress, stopping.
After SMT solving in domain Int declared 568/568 variables, and 375 constraints, problems are : Problem set: 0 solved, 4 unsolved in 5009 ms.
Refiners :[Positive P Invariants (semi-flows): 33/33 constraints, Generalized P Invariants (flows): 25/25 constraints, State Equation: 312/312 constraints, PredecessorRefiner: 4/4 constraints, Known Traps: 1/1 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 5838ms problems are : Problem set: 0 solved, 4 unsolved
Skipping Parikh replay, no witness traces provided.
Support contains 7 out of 312 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 312/312 places, 256/256 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 312 transition count 254
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 312 transition count 254
Applied a total of 7 rules in 25 ms. Remains 312 /312 variables (removed 0) and now considering 254/256 (removed 2) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 25 ms. Remains : 312/312 places, 254/256 transitions.
RANDOM walk for 40000 steps (536 resets) in 143 ms. (277 steps per ms) remains 1/4 properties
BEST_FIRST walk for 40004 steps (88 resets) in 62 ms. (634 steps per ms) remains 1/1 properties
// Phase 1: matrix 254 rows 312 cols
[2025-06-01 01:34:34] [INFO ] Computed 60 invariants in 13 ms
[2025-06-01 01:34:34] [INFO ] State equation strengthened by 2 read => feed constraints.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/3 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 1 (OVERLAPS) 3/6 variables, 2/2 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/6 variables, 0/2 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (OVERLAPS) 79/85 variables, 33/35 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/85 variables, 0/35 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (OVERLAPS) 177/262 variables, 25/60 constraints. Problems are: Problem set: 0 solved, 1 unsolved
All remaining problems are real, not stopping.
At refinement iteration 6 (INCLUDED_ONLY) 0/262 variables, 0/60 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (OVERLAPS) 254/516 variables, 262/322 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/516 variables, 2/324 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/516 variables, 0/324 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (OVERLAPS) 50/566 variables, 50/374 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/566 variables, 0/374 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 12 (OVERLAPS) 0/566 variables, 0/374 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Real declared 566/566 variables, and 374 constraints, problems are : Problem set: 0 solved, 1 unsolved in 402 ms.
Refiners :[Positive P Invariants (semi-flows): 35/35 constraints, Generalized P Invariants (flows): 25/25 constraints, State Equation: 312/312 constraints, ReadFeed: 2/2 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) 0/3 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 1 (OVERLAPS) 3/6 variables, 2/2 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/6 variables, 0/2 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (OVERLAPS) 79/85 variables, 33/35 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/85 variables, 0/35 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (OVERLAPS) 177/262 variables, 25/60 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/262 variables, 0/60 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (OVERLAPS) 254/516 variables, 262/322 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/516 variables, 2/324 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/516 variables, 1/325 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/516 variables, 0/325 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 11 (OVERLAPS) 50/566 variables, 50/375 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 12 (INCLUDED_ONLY) 0/566 variables, 0/375 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 13 (OVERLAPS) 0/566 variables, 0/375 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Int declared 566/566 variables, and 375 constraints, problems are : Problem set: 0 solved, 1 unsolved in 882 ms.
Refiners :[Positive P Invariants (semi-flows): 35/35 constraints, Generalized P Invariants (flows): 25/25 constraints, State Equation: 312/312 constraints, ReadFeed: 2/2 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 1306ms problems are : Problem set: 0 solved, 1 unsolved
Finished Parikh walk after 29498 steps, including 58 resets, run visited all 1 properties in 119 ms. (steps per millisecond=247 )
Parikh walk visited 1 properties in 126 ms.
Knowledge obtained : [(AND p0 (NOT p2) (NOT p1)), (X (NOT p2)), (X (NOT p1)), (X (AND (NOT p2) (NOT p1))), (X (X (NOT p2))), (X (X (NOT p1))), (X (X (AND (NOT p2) (NOT p1)))), (F (OR (G p0) (G (NOT p0)))), (F (OR (G p2) (G (NOT p2))))]
False Knowledge obtained : [(F (NOT p0)), (F (NOT (OR p0 p2 p1))), (F p1), (F p2), (F (NOT (AND (NOT p2) (NOT p1)))), (F (NOT (OR p0 p2)))]
Knowledge based reduction with 9 factoid took 1211 ms. Reduced automaton from 3 states, 6 edges and 3 AP (stutter insensitive) to 3 states, 6 edges and 3 AP (stutter insensitive).
Stuttering acceptance computed with spot in 169 ms :[(AND (NOT p0) (NOT p2)), (NOT p1), (NOT p2)]
Stuttering acceptance computed with spot in 164 ms :[(AND (NOT p0) (NOT p2)), (NOT p1), (NOT p2)]
Stuttering acceptance computed with spot in 162 ms :[(AND (NOT p0) (NOT p2)), (NOT p1), (NOT p2)]
Product exploration explored 100000 steps with 2226 reset in 410 ms.
Product exploration explored 100000 steps with 2245 reset in 473 ms.
Built C files in :
/tmp/ltsmin2647137324275415651
[2025-06-01 01:34:38] [INFO ] Computing symmetric may disable matrix : 256 transitions.
[2025-06-01 01:34:38] [INFO ] Computation of Complete disable matrix. took 5 ms. Total solver calls (SAT/UNSAT): 0(0/0)
[2025-06-01 01:34:38] [INFO ] Computing symmetric may enable matrix : 256 transitions.
[2025-06-01 01:34:38] [INFO ] Computation of Complete enable matrix. took 3 ms. Total solver calls (SAT/UNSAT): 0(0/0)
[2025-06-01 01:34:38] [INFO ] Computing Do-Not-Accords matrix : 256 transitions.
[2025-06-01 01:34:38] [INFO ] Computation of Completed DNA matrix. took 13 ms. Total solver calls (SAT/UNSAT): 0(0/0)
[2025-06-01 01:34:38] [INFO ] Built C files in 108ms conformant to PINS (ltsmin variant)in folder :/tmp/ltsmin2647137324275415651
Running compilation step : cd /tmp/ltsmin2647137324275415651;'/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 1714 ms.
Running link step : cd /tmp/ltsmin2647137324275415651;'gcc' '-shared' '-o' 'gal.so' 'model.o'
Link finished in 84 ms.
Running LTSmin : cd /tmp/ltsmin2647137324275415651;'/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/stateBased2826407116486116823.hoa' '--buchi-type=spotba'
LTSmin run took 1382 ms.
FORMULA DES-PT-50a-LTLFireability-02 FALSE TECHNIQUES PARTIAL_ORDER EXPLICIT LTSMIN SAT_SMT
Treatment of property DES-PT-50a-LTLFireability-02 finished in 217289 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 312 places. Attempting structural reductions.
Starting structural reductions in SI_LTL mode, iteration 0 : 312/312 places, 256/256 transitions.
Applied a total of 0 rules in 14 ms. Remains 312 /312 variables (removed 0) and now considering 256/256 (removed 0) transitions.
// Phase 1: matrix 256 rows 312 cols
[2025-06-01 01:34:42] [INFO ] Computed 58 invariants in 3 ms
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-01 01:34:42] [INFO ] Implicit Places using invariants in 483 ms returned []
[2025-06-01 01:34:42] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-01 01:34:43] [INFO ] Implicit Places using invariants and state equation in 1374 ms returned []
Implicit Place search using SMT with State Equation took 1861 ms to find 0 implicit places.
Starting Z3 with timeout 200.0 s and query timeout 20000.0 ms
[2025-06-01 01:34:43] [INFO ] Redundant transitions in 2 ms returned []
Running 255 sub problems to find dead transitions.
[2025-06-01 01:34:43] [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) 0/311 variables, 12/12 constraints. Problems are: Problem set: 0 solved, 255 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/311 variables, 0/12 constraints. Problems are: Problem set: 0 solved, 255 unsolved
At refinement iteration 2 (OVERLAPS) 1/312 variables, 33/45 constraints. Problems are: Problem set: 0 solved, 255 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/312 variables, 13/58 constraints. Problems are: Problem set: 0 solved, 255 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 01:34:49] [INFO ] Deduced a trap composed of 12 places in 66 ms of which 8 ms to minimize.
At refinement iteration 4 (INCLUDED_ONLY) 0/312 variables, 1/59 constraints. Problems are: Problem set: 0 solved, 255 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/312 variables, 0/59 constraints. Problems are: Problem set: 0 solved, 255 unsolved
At refinement iteration 6 (OVERLAPS) 256/568 variables, 312/371 constraints. Problems are: Problem set: 0 solved, 255 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/568 variables, 0/371 constraints. Problems are: Problem set: 0 solved, 255 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 01:35:05] [INFO ] Deduced a trap composed of 9 places in 99 ms of which 7 ms to minimize.
At refinement iteration 8 (OVERLAPS) 0/568 variables, 1/372 constraints. Problems are: Problem set: 0 solved, 255 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Real declared 568/568 variables, and 372 constraints, problems are : Problem set: 0 solved, 255 unsolved in 30028 ms.
Refiners :[Positive P Invariants (semi-flows): 33/33 constraints, Generalized P Invariants (flows): 25/25 constraints, State Equation: 312/312 constraints, PredecessorRefiner: 255/255 constraints, Known Traps: 2/2 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 255 unsolved
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/311 variables, 12/12 constraints. Problems are: Problem set: 0 solved, 255 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/311 variables, 0/12 constraints. Problems are: Problem set: 0 solved, 255 unsolved
At refinement iteration 2 (OVERLAPS) 1/312 variables, 33/45 constraints. Problems are: Problem set: 0 solved, 255 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/312 variables, 13/58 constraints. Problems are: Problem set: 0 solved, 255 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/312 variables, 2/60 constraints. Problems are: Problem set: 0 solved, 255 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 01:35:18] [INFO ] Deduced a trap composed of 10 places in 47 ms of which 3 ms to minimize.
At refinement iteration 5 (INCLUDED_ONLY) 0/312 variables, 1/61 constraints. Problems are: Problem set: 0 solved, 255 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/312 variables, 0/61 constraints. Problems are: Problem set: 0 solved, 255 unsolved
At refinement iteration 7 (OVERLAPS) 256/568 variables, 312/373 constraints. Problems are: Problem set: 0 solved, 255 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/568 variables, 255/628 constraints. Problems are: Problem set: 0 solved, 255 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 568/568 variables, and 628 constraints, problems are : Problem set: 0 solved, 255 unsolved in 30018 ms.
Refiners :[Positive P Invariants (semi-flows): 33/33 constraints, Generalized P Invariants (flows): 25/25 constraints, State Equation: 312/312 constraints, PredecessorRefiner: 255/255 constraints, Known Traps: 3/3 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 60188ms problems are : Problem set: 0 solved, 255 unsolved
Search for dead transitions found 0 dead transitions in 60190ms
Finished structural reductions in SI_LTL mode , in 1 iterations and 62076 ms. Remains : 312/312 places, 256/256 transitions.
Stuttering acceptance computed with spot in 86 ms :[(NOT p0), (NOT p0)]
Running random walk in product with property : DES-PT-50a-LTLFireability-04
Stuttering criterion allowed to conclude after 44 steps with 0 reset in 0 ms.
FORMULA DES-PT-50a-LTLFireability-04 FALSE TECHNIQUES STUTTER_TEST
Treatment of property DES-PT-50a-LTLFireability-04 finished in 62176 ms.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202505121319/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!(G(p0))'
Support contains 3 out of 312 places. Attempting structural reductions.
Starting structural reductions in SI_LTL mode, iteration 0 : 312/312 places, 256/256 transitions.
Applied a total of 0 rules in 30 ms. Remains 312 /312 variables (removed 0) and now considering 256/256 (removed 0) transitions.
[2025-06-01 01:35:44] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-01 01:35:44] [INFO ] Implicit Places using invariants in 354 ms returned []
[2025-06-01 01:35:44] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-01 01:35:45] [INFO ] Implicit Places using invariants and state equation in 961 ms returned []
Implicit Place search using SMT with State Equation took 1322 ms to find 0 implicit places.
Starting Z3 with timeout 200.0 s and query timeout 20000.0 ms
[2025-06-01 01:35:45] [INFO ] Redundant transitions in 1 ms returned []
Running 255 sub problems to find dead transitions.
[2025-06-01 01:35:45] [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) 0/311 variables, 12/12 constraints. Problems are: Problem set: 0 solved, 255 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/311 variables, 0/12 constraints. Problems are: Problem set: 0 solved, 255 unsolved
At refinement iteration 2 (OVERLAPS) 1/312 variables, 33/45 constraints. Problems are: Problem set: 0 solved, 255 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/312 variables, 13/58 constraints. Problems are: Problem set: 0 solved, 255 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 01:35:49] [INFO ] Deduced a trap composed of 12 places in 47 ms of which 5 ms to minimize.
At refinement iteration 4 (INCLUDED_ONLY) 0/312 variables, 1/59 constraints. Problems are: Problem set: 0 solved, 255 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/312 variables, 0/59 constraints. Problems are: Problem set: 0 solved, 255 unsolved
At refinement iteration 6 (OVERLAPS) 256/568 variables, 312/371 constraints. Problems are: Problem set: 0 solved, 255 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/568 variables, 0/371 constraints. Problems are: Problem set: 0 solved, 255 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 01:36:02] [INFO ] Deduced a trap composed of 9 places in 100 ms of which 7 ms to minimize.
At refinement iteration 8 (OVERLAPS) 0/568 variables, 1/372 constraints. Problems are: Problem set: 0 solved, 255 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/568 variables, 0/372 constraints. Problems are: Problem set: 0 solved, 255 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Real declared 568/568 variables, and 372 constraints, problems are : Problem set: 0 solved, 255 unsolved in 30017 ms.
Refiners :[Positive P Invariants (semi-flows): 33/33 constraints, Generalized P Invariants (flows): 25/25 constraints, State Equation: 312/312 constraints, PredecessorRefiner: 255/255 constraints, Known Traps: 2/2 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 255 unsolved
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/311 variables, 12/12 constraints. Problems are: Problem set: 0 solved, 255 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/311 variables, 0/12 constraints. Problems are: Problem set: 0 solved, 255 unsolved
At refinement iteration 2 (OVERLAPS) 1/312 variables, 33/45 constraints. Problems are: Problem set: 0 solved, 255 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/312 variables, 13/58 constraints. Problems are: Problem set: 0 solved, 255 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/312 variables, 2/60 constraints. Problems are: Problem set: 0 solved, 255 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 01:36:21] [INFO ] Deduced a trap composed of 10 places in 81 ms of which 5 ms to minimize.
At refinement iteration 5 (INCLUDED_ONLY) 0/312 variables, 1/61 constraints. Problems are: Problem set: 0 solved, 255 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/312 variables, 0/61 constraints. Problems are: Problem set: 0 solved, 255 unsolved
At refinement iteration 7 (OVERLAPS) 256/568 variables, 312/373 constraints. Problems are: Problem set: 0 solved, 255 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/568 variables, 255/628 constraints. Problems are: Problem set: 0 solved, 255 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 568/568 variables, and 628 constraints, problems are : Problem set: 0 solved, 255 unsolved in 30015 ms.
Refiners :[Positive P Invariants (semi-flows): 33/33 constraints, Generalized P Invariants (flows): 25/25 constraints, State Equation: 312/312 constraints, PredecessorRefiner: 255/255 constraints, Known Traps: 3/3 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 60135ms problems are : Problem set: 0 solved, 255 unsolved
Search for dead transitions found 0 dead transitions in 60136ms
Finished structural reductions in SI_LTL mode , in 1 iterations and 61496 ms. Remains : 312/312 places, 256/256 transitions.
Stuttering acceptance computed with spot in 78 ms :[true, (NOT p0)]
Running random walk in product with property : DES-PT-50a-LTLFireability-05
Product exploration explored 100000 steps with 2225 reset in 470 ms.
Product exploration explored 100000 steps with 2215 reset in 597 ms.
Computed a total of 215 stabilizing places and 210 stable transitions
Computed a total of 215 stabilizing places and 210 stable transitions
Detected a total of 215/312 stabilizing places and 210/256 transitions leading to convergence knowledge of the form 'F(Gp|G!p)' for 1/1 atomic propositions.
Knowledge obtained : [p0, (X p0), (X (X p0)), (F (OR (G p0) (G (NOT p0))))]
False Knowledge obtained : []
Knowledge based reduction with 4 factoid took 142 ms. Reduced automaton from 2 states, 3 edges and 1 AP (stutter insensitive) to 2 states, 3 edges and 1 AP (stutter insensitive).
Stuttering acceptance computed with spot in 88 ms :[true, (NOT p0)]
RANDOM walk for 40000 steps (889 resets) in 292 ms. (136 steps per ms) remains 1/1 properties
BEST_FIRST walk for 40002 steps (201 resets) in 452 ms. (88 steps per ms) remains 1/1 properties
Interrupted probabilistic random walk after 993994 steps, run timeout after 3001 ms. (steps per millisecond=331 ) properties seen :0 out of 1
Probabilistic random walk after 993994 steps, saw 142088 distinct states, run finished after 3001 ms. (steps per millisecond=331 ) properties seen :0
[2025-06-01 01:36:50] [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) 0/3 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 1 (OVERLAPS) 2/5 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) 75/80 variables, 32/33 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/80 variables, 0/33 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (OVERLAPS) 175/255 variables, 23/56 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/255 variables, 0/56 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (OVERLAPS) 6/261 variables, 2/58 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/261 variables, 0/58 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (OVERLAPS) 255/516 variables, 261/319 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/516 variables, 0/319 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 11 (OVERLAPS) 52/568 variables, 51/370 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 12 (INCLUDED_ONLY) 0/568 variables, 0/370 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 13 (OVERLAPS) 0/568 variables, 0/370 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Real declared 568/568 variables, and 370 constraints, problems are : Problem set: 0 solved, 1 unsolved in 433 ms.
Refiners :[Positive P Invariants (semi-flows): 33/33 constraints, Generalized P Invariants (flows): 25/25 constraints, State Equation: 312/312 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) 0/3 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 1 (OVERLAPS) 2/5 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) 75/80 variables, 32/33 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/80 variables, 0/33 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (OVERLAPS) 175/255 variables, 23/56 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/255 variables, 0/56 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (OVERLAPS) 6/261 variables, 2/58 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/261 variables, 0/58 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (OVERLAPS) 255/516 variables, 261/319 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/516 variables, 0/319 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 11 (OVERLAPS) 52/568 variables, 51/370 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 12 (INCLUDED_ONLY) 0/568 variables, 1/371 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 13 (INCLUDED_ONLY) 0/568 variables, 0/371 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 14 (OVERLAPS) 0/568 variables, 0/371 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Int declared 568/568 variables, and 371 constraints, problems are : Problem set: 0 solved, 1 unsolved in 876 ms.
Refiners :[Positive P Invariants (semi-flows): 33/33 constraints, Generalized P Invariants (flows): 25/25 constraints, State Equation: 312/312 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 1317ms problems are : Problem set: 0 solved, 1 unsolved
Parikh walk visited 0 properties in 678 ms.
Support contains 3 out of 312 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 312/312 places, 256/256 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 312 transition count 254
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 312 transition count 254
Applied a total of 7 rules in 22 ms. Remains 312 /312 variables (removed 0) and now considering 254/256 (removed 2) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 22 ms. Remains : 312/312 places, 254/256 transitions.
RANDOM walk for 40000 steps (545 resets) in 149 ms. (266 steps per ms) remains 1/1 properties
BEST_FIRST walk for 40002 steps (97 resets) in 75 ms. (526 steps per ms) remains 1/1 properties
Interrupted probabilistic random walk after 965696 steps, run timeout after 3001 ms. (steps per millisecond=321 ) properties seen :0 out of 1
Probabilistic random walk after 965696 steps, saw 137036 distinct states, run finished after 3001 ms. (steps per millisecond=321 ) properties seen :0
// Phase 1: matrix 254 rows 312 cols
[2025-06-01 01:36:55] [INFO ] Computed 60 invariants in 7 ms
[2025-06-01 01:36:55] [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) 0/3 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 1 (OVERLAPS) 2/5 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) 81/86 variables, 34/35 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/86 variables, 0/35 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (OVERLAPS) 178/264 variables, 25/60 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/264 variables, 0/60 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (OVERLAPS) 254/518 variables, 264/324 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/518 variables, 2/326 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/518 variables, 0/326 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (OVERLAPS) 48/566 variables, 48/374 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/566 variables, 0/374 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 12 (OVERLAPS) 0/566 variables, 0/374 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Real declared 566/566 variables, and 374 constraints, problems are : Problem set: 0 solved, 1 unsolved in 267 ms.
Refiners :[Positive P Invariants (semi-flows): 35/35 constraints, Generalized P Invariants (flows): 25/25 constraints, State Equation: 312/312 constraints, ReadFeed: 2/2 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) 0/3 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 1 (OVERLAPS) 2/5 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) 81/86 variables, 34/35 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/86 variables, 0/35 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (OVERLAPS) 178/264 variables, 25/60 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/264 variables, 0/60 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (OVERLAPS) 254/518 variables, 264/324 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/518 variables, 2/326 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/518 variables, 0/326 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (OVERLAPS) 48/566 variables, 48/374 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/566 variables, 1/375 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 12 (INCLUDED_ONLY) 0/566 variables, 0/375 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 13 (OVERLAPS) 0/566 variables, 0/375 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Int declared 566/566 variables, and 375 constraints, problems are : Problem set: 0 solved, 1 unsolved in 821 ms.
Refiners :[Positive P Invariants (semi-flows): 35/35 constraints, Generalized P Invariants (flows): 25/25 constraints, State Equation: 312/312 constraints, ReadFeed: 2/2 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 1102ms problems are : Problem set: 0 solved, 1 unsolved
Parikh walk visited 0 properties in 512 ms.
Support contains 3 out of 312 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 312/312 places, 254/254 transitions.
Applied a total of 0 rules in 8 ms. Remains 312 /312 variables (removed 0) and now considering 254/254 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 8 ms. Remains : 312/312 places, 254/254 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 312/312 places, 254/254 transitions.
Applied a total of 0 rules in 8 ms. Remains 312 /312 variables (removed 0) and now considering 254/254 (removed 0) transitions.
[2025-06-01 01:36:57] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-01 01:36:57] [INFO ] Implicit Places using invariants in 475 ms returned []
[2025-06-01 01:36:57] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-01 01:36:57] [INFO ] State equation strengthened by 2 read => feed constraints.
[2025-06-01 01:36:58] [INFO ] Implicit Places using invariants and state equation in 895 ms returned []
Implicit Place search using SMT with State Equation took 1381 ms to find 0 implicit places.
Starting Z3 with timeout 200.0 s and query timeout 20000.0 ms
[2025-06-01 01:36:58] [INFO ] Redundant transitions in 3 ms returned []
Running 253 sub problems to find dead transitions.
[2025-06-01 01:36:58] [INFO ] Invariant cache hit.
[2025-06-01 01:36:58] [INFO ] State equation strengthened by 2 read => feed constraints.
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/311 variables, 12/12 constraints. Problems are: Problem set: 0 solved, 253 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/311 variables, 0/12 constraints. Problems are: Problem set: 0 solved, 253 unsolved
At refinement iteration 2 (OVERLAPS) 1/312 variables, 35/47 constraints. Problems are: Problem set: 0 solved, 253 unsolved
All remaining problems are real, not stopping.
At refinement iteration 3 (INCLUDED_ONLY) 0/312 variables, 13/60 constraints. Problems are: Problem set: 0 solved, 253 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/312 variables, 0/60 constraints. Problems are: Problem set: 0 solved, 253 unsolved
At refinement iteration 5 (OVERLAPS) 254/566 variables, 312/372 constraints. Problems are: Problem set: 0 solved, 253 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/566 variables, 2/374 constraints. Problems are: Problem set: 0 solved, 253 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 01:37:09] [INFO ] Deduced a trap composed of 12 places in 87 ms of which 9 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 01:37:13] [INFO ] Deduced a trap composed of 7 places in 100 ms of which 8 ms to minimize.
At refinement iteration 7 (INCLUDED_ONLY) 0/566 variables, 2/376 constraints. Problems are: Problem set: 0 solved, 253 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 01:37:22] [INFO ] Deduced a trap composed of 11 places in 181 ms of which 19 ms to minimize.
Solver is answering 'unknown', stopping.
After SMT solving in domain Real declared 566/566 variables, and 377 constraints, problems are : Problem set: 0 solved, 253 unsolved in 30013 ms.
Refiners :[Positive P Invariants (semi-flows): 35/35 constraints, Generalized P Invariants (flows): 25/25 constraints, State Equation: 312/312 constraints, ReadFeed: 2/2 constraints, PredecessorRefiner: 253/253 constraints, Known Traps: 3/3 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 253 unsolved
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/311 variables, 12/12 constraints. Problems are: Problem set: 0 solved, 253 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/311 variables, 0/12 constraints. Problems are: Problem set: 0 solved, 253 unsolved
At refinement iteration 2 (OVERLAPS) 1/312 variables, 35/47 constraints. Problems are: Problem set: 0 solved, 253 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/312 variables, 13/60 constraints. Problems are: Problem set: 0 solved, 253 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/312 variables, 3/63 constraints. Problems are: Problem set: 0 solved, 253 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 01:37:33] [INFO ] Deduced a trap composed of 8 places in 44 ms of which 3 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 01:37:33] [INFO ] Deduced a trap composed of 6 places in 32 ms of which 2 ms to minimize.
At refinement iteration 5 (INCLUDED_ONLY) 0/312 variables, 2/65 constraints. Problems are: Problem set: 0 solved, 253 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/312 variables, 0/65 constraints. Problems are: Problem set: 0 solved, 253 unsolved
At refinement iteration 7 (OVERLAPS) 254/566 variables, 312/377 constraints. Problems are: Problem set: 0 solved, 253 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/566 variables, 2/379 constraints. Problems are: Problem set: 0 solved, 253 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/566 variables, 253/632 constraints. Problems are: Problem set: 0 solved, 253 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 566/566 variables, and 632 constraints, problems are : Problem set: 0 solved, 253 unsolved in 30016 ms.
Refiners :[Positive P Invariants (semi-flows): 35/35 constraints, Generalized P Invariants (flows): 25/25 constraints, State Equation: 312/312 constraints, ReadFeed: 2/2 constraints, PredecessorRefiner: 253/253 constraints, Known Traps: 5/5 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 60117ms problems are : Problem set: 0 solved, 253 unsolved
Search for dead transitions found 0 dead transitions in 60118ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 61518 ms. Remains : 312/312 places, 254/254 transitions.
Attempting over-approximation, by ignoring read arcs.
Applied a total of 0 rules in 15 ms. Remains 312 /312 variables (removed 0) and now considering 254/254 (removed 0) transitions.
Running SMT prover for 1 properties.
[2025-06-01 01:37:58] [INFO ] Invariant cache hit.
Starting Z3 with timeout 450.0 s and query timeout 45000.0 ms
[2025-06-01 01:37:58] [INFO ] After 100ms SMT Verify possible using all constraints in real domain returned unsat :0 sat :0 real:1
Starting Z3 with timeout 450.0 s and query timeout 45000.0 ms
[2025-06-01 01:37:58] [INFO ] [Nat]Absence check using 35 positive place invariants in 14 ms returned sat
[2025-06-01 01:37:58] [INFO ] [Nat]Absence check using 35 positive and 25 generalized place invariants in 41 ms returned sat
[2025-06-01 01:37:59] [INFO ] After 401ms SMT Verify possible using state equation in natural domain returned unsat :0 sat :1
TRAPS : Iteration 0
[2025-06-01 01:37:59] [INFO ] After 507ms SMT Verify possible using trap constraints in natural domain returned unsat :0 sat :1
[2025-06-01 01:37:59] [INFO ] After 772ms SMT Verify possible using all constraints in natural domain returned unsat :0 sat :1
Over-approximation ignoring read arcs solved 0 properties in 894 ms.
Knowledge obtained : [p0, (X p0), (X (X p0)), (F (OR (G p0) (G (NOT p0))))]
False Knowledge obtained : []
Knowledge based reduction with 4 factoid took 122 ms. Reduced automaton from 2 states, 3 edges and 1 AP (stutter insensitive) to 2 states, 3 edges and 1 AP (stutter insensitive).
Stuttering acceptance computed with spot in 63 ms :[true, (NOT p0)]
Stuttering acceptance computed with spot in 46 ms :[true, (NOT p0)]
Support contains 3 out of 312 places. Attempting structural reductions.
Starting structural reductions in SI_LTL mode, iteration 0 : 312/312 places, 256/256 transitions.
Applied a total of 0 rules in 10 ms. Remains 312 /312 variables (removed 0) and now considering 256/256 (removed 0) transitions.
// Phase 1: matrix 256 rows 312 cols
[2025-06-01 01:37:59] [INFO ] Computed 58 invariants in 5 ms
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-01 01:38:00] [INFO ] Implicit Places using invariants in 402 ms returned []
[2025-06-01 01:38:00] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-01 01:38:01] [INFO ] Implicit Places using invariants and state equation in 1421 ms returned []
Implicit Place search using SMT with State Equation took 1827 ms to find 0 implicit places.
Starting Z3 with timeout 200.0 s and query timeout 20000.0 ms
[2025-06-01 01:38:01] [INFO ] Redundant transitions in 2 ms returned []
Running 255 sub problems to find dead transitions.
[2025-06-01 01:38:01] [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) 0/311 variables, 12/12 constraints. Problems are: Problem set: 0 solved, 255 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/311 variables, 0/12 constraints. Problems are: Problem set: 0 solved, 255 unsolved
At refinement iteration 2 (OVERLAPS) 1/312 variables, 33/45 constraints. Problems are: Problem set: 0 solved, 255 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/312 variables, 13/58 constraints. Problems are: Problem set: 0 solved, 255 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 01:38:06] [INFO ] Deduced a trap composed of 12 places in 56 ms of which 5 ms to minimize.
At refinement iteration 4 (INCLUDED_ONLY) 0/312 variables, 1/59 constraints. Problems are: Problem set: 0 solved, 255 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/312 variables, 0/59 constraints. Problems are: Problem set: 0 solved, 255 unsolved
At refinement iteration 6 (OVERLAPS) 256/568 variables, 312/371 constraints. Problems are: Problem set: 0 solved, 255 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/568 variables, 0/371 constraints. Problems are: Problem set: 0 solved, 255 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 01:38:22] [INFO ] Deduced a trap composed of 9 places in 121 ms of which 9 ms to minimize.
At refinement iteration 8 (OVERLAPS) 0/568 variables, 1/372 constraints. Problems are: Problem set: 0 solved, 255 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/568 variables, 0/372 constraints. Problems are: Problem set: 0 solved, 255 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Real declared 568/568 variables, and 372 constraints, problems are : Problem set: 0 solved, 255 unsolved in 30014 ms.
Refiners :[Positive P Invariants (semi-flows): 33/33 constraints, Generalized P Invariants (flows): 25/25 constraints, State Equation: 312/312 constraints, PredecessorRefiner: 255/255 constraints, Known Traps: 2/2 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 255 unsolved
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/311 variables, 12/12 constraints. Problems are: Problem set: 0 solved, 255 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/311 variables, 0/12 constraints. Problems are: Problem set: 0 solved, 255 unsolved
At refinement iteration 2 (OVERLAPS) 1/312 variables, 33/45 constraints. Problems are: Problem set: 0 solved, 255 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/312 variables, 13/58 constraints. Problems are: Problem set: 0 solved, 255 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/312 variables, 2/60 constraints. Problems are: Problem set: 0 solved, 255 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 01:38:36] [INFO ] Deduced a trap composed of 10 places in 48 ms of which 4 ms to minimize.
At refinement iteration 5 (INCLUDED_ONLY) 0/312 variables, 1/61 constraints. Problems are: Problem set: 0 solved, 255 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/312 variables, 0/61 constraints. Problems are: Problem set: 0 solved, 255 unsolved
At refinement iteration 7 (OVERLAPS) 256/568 variables, 312/373 constraints. Problems are: Problem set: 0 solved, 255 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/568 variables, 255/628 constraints. Problems are: Problem set: 0 solved, 255 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 568/568 variables, and 628 constraints, problems are : Problem set: 0 solved, 255 unsolved in 30017 ms.
Refiners :[Positive P Invariants (semi-flows): 33/33 constraints, Generalized P Invariants (flows): 25/25 constraints, State Equation: 312/312 constraints, PredecessorRefiner: 255/255 constraints, Known Traps: 3/3 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 60172ms problems are : Problem set: 0 solved, 255 unsolved
Search for dead transitions found 0 dead transitions in 60174ms
Finished structural reductions in SI_LTL mode , in 1 iterations and 62019 ms. Remains : 312/312 places, 256/256 transitions.
Computed a total of 215 stabilizing places and 210 stable transitions
Computed a total of 215 stabilizing places and 210 stable transitions
Detected a total of 215/312 stabilizing places and 210/256 transitions leading to convergence knowledge of the form 'F(Gp|G!p)' for 1/1 atomic propositions.
Knowledge obtained : [p0, (X p0), (X (X p0)), (F (OR (G p0) (G (NOT p0))))]
False Knowledge obtained : []
Knowledge based reduction with 4 factoid took 109 ms. Reduced automaton from 2 states, 3 edges and 1 AP (stutter insensitive) to 2 states, 3 edges and 1 AP (stutter insensitive).
Stuttering acceptance computed with spot in 50 ms :[true, (NOT p0)]
RANDOM walk for 40000 steps (888 resets) in 167 ms. (238 steps per ms) remains 1/1 properties
BEST_FIRST walk for 40003 steps (202 resets) in 77 ms. (512 steps per ms) remains 1/1 properties
Interrupted probabilistic random walk after 1116513 steps, run timeout after 3001 ms. (steps per millisecond=372 ) properties seen :0 out of 1
Probabilistic random walk after 1116513 steps, saw 159037 distinct states, run finished after 3001 ms. (steps per millisecond=372 ) properties seen :0
[2025-06-01 01:39:04] [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) 0/3 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 1 (OVERLAPS) 2/5 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) 75/80 variables, 32/33 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/80 variables, 0/33 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (OVERLAPS) 175/255 variables, 23/56 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/255 variables, 0/56 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (OVERLAPS) 6/261 variables, 2/58 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/261 variables, 0/58 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (OVERLAPS) 255/516 variables, 261/319 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/516 variables, 0/319 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 11 (OVERLAPS) 52/568 variables, 51/370 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 12 (INCLUDED_ONLY) 0/568 variables, 0/370 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 13 (OVERLAPS) 0/568 variables, 0/370 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Real declared 568/568 variables, and 370 constraints, problems are : Problem set: 0 solved, 1 unsolved in 367 ms.
Refiners :[Positive P Invariants (semi-flows): 33/33 constraints, Generalized P Invariants (flows): 25/25 constraints, State Equation: 312/312 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) 0/3 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 1 (OVERLAPS) 2/5 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) 75/80 variables, 32/33 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/80 variables, 0/33 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (OVERLAPS) 175/255 variables, 23/56 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/255 variables, 0/56 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (OVERLAPS) 6/261 variables, 2/58 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/261 variables, 0/58 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (OVERLAPS) 255/516 variables, 261/319 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/516 variables, 0/319 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 11 (OVERLAPS) 52/568 variables, 51/370 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 12 (INCLUDED_ONLY) 0/568 variables, 1/371 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 13 (INCLUDED_ONLY) 0/568 variables, 0/371 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 14 (OVERLAPS) 0/568 variables, 0/371 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Int declared 568/568 variables, and 371 constraints, problems are : Problem set: 0 solved, 1 unsolved in 525 ms.
Refiners :[Positive P Invariants (semi-flows): 33/33 constraints, Generalized P Invariants (flows): 25/25 constraints, State Equation: 312/312 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 901ms problems are : Problem set: 0 solved, 1 unsolved
Parikh walk visited 0 properties in 534 ms.
Support contains 3 out of 312 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 312/312 places, 256/256 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 312 transition count 254
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 312 transition count 254
Applied a total of 7 rules in 28 ms. Remains 312 /312 variables (removed 0) and now considering 254/256 (removed 2) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 28 ms. Remains : 312/312 places, 254/256 transitions.
RANDOM walk for 40000 steps (542 resets) in 183 ms. (217 steps per ms) remains 1/1 properties
BEST_FIRST walk for 40004 steps (105 resets) in 75 ms. (526 steps per ms) remains 1/1 properties
Interrupted probabilistic random walk after 1054770 steps, run timeout after 3001 ms. (steps per millisecond=351 ) properties seen :0 out of 1
Probabilistic random walk after 1054770 steps, saw 148557 distinct states, run finished after 3001 ms. (steps per millisecond=351 ) properties seen :0
// Phase 1: matrix 254 rows 312 cols
[2025-06-01 01:39:09] [INFO ] Computed 60 invariants in 4 ms
[2025-06-01 01:39:09] [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) 0/3 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 1 (OVERLAPS) 2/5 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) 81/86 variables, 34/35 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/86 variables, 0/35 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (OVERLAPS) 178/264 variables, 25/60 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/264 variables, 0/60 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (OVERLAPS) 254/518 variables, 264/324 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/518 variables, 2/326 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/518 variables, 0/326 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (OVERLAPS) 48/566 variables, 48/374 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/566 variables, 0/374 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 12 (OVERLAPS) 0/566 variables, 0/374 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Real declared 566/566 variables, and 374 constraints, problems are : Problem set: 0 solved, 1 unsolved in 299 ms.
Refiners :[Positive P Invariants (semi-flows): 35/35 constraints, Generalized P Invariants (flows): 25/25 constraints, State Equation: 312/312 constraints, ReadFeed: 2/2 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) 0/3 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 1 (OVERLAPS) 2/5 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) 81/86 variables, 34/35 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/86 variables, 0/35 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (OVERLAPS) 178/264 variables, 25/60 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/264 variables, 0/60 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (OVERLAPS) 254/518 variables, 264/324 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/518 variables, 2/326 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/518 variables, 0/326 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (OVERLAPS) 48/566 variables, 48/374 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/566 variables, 1/375 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 12 (INCLUDED_ONLY) 0/566 variables, 0/375 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 13 (OVERLAPS) 0/566 variables, 0/375 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Int declared 566/566 variables, and 375 constraints, problems are : Problem set: 0 solved, 1 unsolved in 615 ms.
Refiners :[Positive P Invariants (semi-flows): 35/35 constraints, Generalized P Invariants (flows): 25/25 constraints, State Equation: 312/312 constraints, ReadFeed: 2/2 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 938ms problems are : Problem set: 0 solved, 1 unsolved
Parikh walk visited 0 properties in 735 ms.
Support contains 3 out of 312 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 312/312 places, 254/254 transitions.
Applied a total of 0 rules in 7 ms. Remains 312 /312 variables (removed 0) and now considering 254/254 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 7 ms. Remains : 312/312 places, 254/254 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 312/312 places, 254/254 transitions.
Applied a total of 0 rules in 8 ms. Remains 312 /312 variables (removed 0) and now considering 254/254 (removed 0) transitions.
[2025-06-01 01:39:11] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-01 01:39:11] [INFO ] Implicit Places using invariants in 400 ms returned []
[2025-06-01 01:39:11] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-01 01:39:11] [INFO ] State equation strengthened by 2 read => feed constraints.
[2025-06-01 01:39:12] [INFO ] Implicit Places using invariants and state equation in 746 ms returned []
Implicit Place search using SMT with State Equation took 1147 ms to find 0 implicit places.
Starting Z3 with timeout 200.0 s and query timeout 20000.0 ms
[2025-06-01 01:39:12] [INFO ] Redundant transitions in 1 ms returned []
Running 253 sub problems to find dead transitions.
[2025-06-01 01:39:12] [INFO ] Invariant cache hit.
[2025-06-01 01:39:12] [INFO ] State equation strengthened by 2 read => feed constraints.
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/311 variables, 12/12 constraints. Problems are: Problem set: 0 solved, 253 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/311 variables, 0/12 constraints. Problems are: Problem set: 0 solved, 253 unsolved
At refinement iteration 2 (OVERLAPS) 1/312 variables, 35/47 constraints. Problems are: Problem set: 0 solved, 253 unsolved
All remaining problems are real, not stopping.
At refinement iteration 3 (INCLUDED_ONLY) 0/312 variables, 13/60 constraints. Problems are: Problem set: 0 solved, 253 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/312 variables, 0/60 constraints. Problems are: Problem set: 0 solved, 253 unsolved
At refinement iteration 5 (OVERLAPS) 254/566 variables, 312/372 constraints. Problems are: Problem set: 0 solved, 253 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/566 variables, 2/374 constraints. Problems are: Problem set: 0 solved, 253 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 01:39:22] [INFO ] Deduced a trap composed of 12 places in 135 ms of which 16 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 01:39:25] [INFO ] Deduced a trap composed of 7 places in 142 ms of which 14 ms to minimize.
At refinement iteration 7 (INCLUDED_ONLY) 0/566 variables, 2/376 constraints. Problems are: Problem set: 0 solved, 253 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 01:39:34] [INFO ] Deduced a trap composed of 11 places in 127 ms of which 12 ms to minimize.
At refinement iteration 8 (INCLUDED_ONLY) 0/566 variables, 1/377 constraints. Problems are: Problem set: 0 solved, 253 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Real declared 566/566 variables, and 377 constraints, problems are : Problem set: 0 solved, 253 unsolved in 30011 ms.
Refiners :[Positive P Invariants (semi-flows): 35/35 constraints, Generalized P Invariants (flows): 25/25 constraints, State Equation: 312/312 constraints, ReadFeed: 2/2 constraints, PredecessorRefiner: 253/253 constraints, Known Traps: 3/3 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 253 unsolved
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/311 variables, 12/12 constraints. Problems are: Problem set: 0 solved, 253 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/311 variables, 0/12 constraints. Problems are: Problem set: 0 solved, 253 unsolved
At refinement iteration 2 (OVERLAPS) 1/312 variables, 35/47 constraints. Problems are: Problem set: 0 solved, 253 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/312 variables, 13/60 constraints. Problems are: Problem set: 0 solved, 253 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/312 variables, 3/63 constraints. Problems are: Problem set: 0 solved, 253 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 01:39:46] [INFO ] Deduced a trap composed of 8 places in 40 ms of which 2 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 01:39:46] [INFO ] Deduced a trap composed of 6 places in 30 ms of which 3 ms to minimize.
At refinement iteration 5 (INCLUDED_ONLY) 0/312 variables, 2/65 constraints. Problems are: Problem set: 0 solved, 253 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/312 variables, 0/65 constraints. Problems are: Problem set: 0 solved, 253 unsolved
At refinement iteration 7 (OVERLAPS) 254/566 variables, 312/377 constraints. Problems are: Problem set: 0 solved, 253 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/566 variables, 2/379 constraints. Problems are: Problem set: 0 solved, 253 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/566 variables, 253/632 constraints. Problems are: Problem set: 0 solved, 253 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 566/566 variables, and 632 constraints, problems are : Problem set: 0 solved, 253 unsolved in 30020 ms.
Refiners :[Positive P Invariants (semi-flows): 35/35 constraints, Generalized P Invariants (flows): 25/25 constraints, State Equation: 312/312 constraints, ReadFeed: 2/2 constraints, PredecessorRefiner: 253/253 constraints, Known Traps: 5/5 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 60114ms problems are : Problem set: 0 solved, 253 unsolved
Search for dead transitions found 0 dead transitions in 60116ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 61278 ms. Remains : 312/312 places, 254/254 transitions.
Attempting over-approximation, by ignoring read arcs.
Applied a total of 0 rules in 13 ms. Remains 312 /312 variables (removed 0) and now considering 254/254 (removed 0) transitions.
Running SMT prover for 1 properties.
[2025-06-01 01:40:12] [INFO ] Invariant cache hit.
Starting Z3 with timeout 450.0 s and query timeout 45000.0 ms
[2025-06-01 01:40:12] [INFO ] After 104ms SMT Verify possible using all constraints in real domain returned unsat :0 sat :0 real:1
Starting Z3 with timeout 450.0 s and query timeout 45000.0 ms
[2025-06-01 01:40:12] [INFO ] [Nat]Absence check using 35 positive place invariants in 16 ms returned sat
[2025-06-01 01:40:12] [INFO ] [Nat]Absence check using 35 positive and 25 generalized place invariants in 45 ms returned sat
[2025-06-01 01:40:13] [INFO ] After 407ms SMT Verify possible using state equation in natural domain returned unsat :0 sat :1
TRAPS : Iteration 0
[2025-06-01 01:40:13] [INFO ] After 512ms SMT Verify possible using trap constraints in natural domain returned unsat :0 sat :1
[2025-06-01 01:40:13] [INFO ] After 803ms SMT Verify possible using all constraints in natural domain returned unsat :0 sat :1
Over-approximation ignoring read arcs solved 0 properties in 931 ms.
Knowledge obtained : [p0, (X p0), (X (X p0)), (F (OR (G p0) (G (NOT p0))))]
False Knowledge obtained : []
Knowledge based reduction with 4 factoid took 112 ms. Reduced automaton from 2 states, 3 edges and 1 AP (stutter insensitive) to 2 states, 3 edges and 1 AP (stutter insensitive).
Stuttering acceptance computed with spot in 58 ms :[true, (NOT p0)]
Stuttering acceptance computed with spot in 47 ms :[true, (NOT p0)]
Stuttering acceptance computed with spot in 55 ms :[true, (NOT p0)]
Product exploration explored 100000 steps with 2250 reset in 325 ms.
Product exploration explored 100000 steps with 2199 reset in 329 ms.
Built C files in :
/tmp/ltsmin10041847395701228760
[2025-06-01 01:40:14] [INFO ] Computing symmetric may disable matrix : 256 transitions.
[2025-06-01 01:40:14] [INFO ] Computation of Complete disable matrix. took 5 ms. Total solver calls (SAT/UNSAT): 0(0/0)
[2025-06-01 01:40:14] [INFO ] Computing symmetric may enable matrix : 256 transitions.
[2025-06-01 01:40:14] [INFO ] Computation of Complete enable matrix. took 3 ms. Total solver calls (SAT/UNSAT): 0(0/0)
[2025-06-01 01:40:14] [INFO ] Computing Do-Not-Accords matrix : 256 transitions.
[2025-06-01 01:40:14] [INFO ] Computation of Completed DNA matrix. took 16 ms. Total solver calls (SAT/UNSAT): 0(0/0)
[2025-06-01 01:40:14] [INFO ] Built C files in 81ms conformant to PINS (ltsmin variant)in folder :/tmp/ltsmin10041847395701228760
Running compilation step : cd /tmp/ltsmin10041847395701228760;'/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 957 ms.
Running link step : cd /tmp/ltsmin10041847395701228760;'gcc' '-shared' '-o' 'gal.so' 'model.o'
Link finished in 43 ms.
Running LTSmin : cd /tmp/ltsmin10041847395701228760;'/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/stateBased8914144516046578848.hoa' '--buchi-type=spotba'
LTSmin run took 2039 ms.
FORMULA DES-PT-50a-LTLFireability-05 FALSE TECHNIQUES PARTIAL_ORDER EXPLICIT LTSMIN SAT_SMT
Treatment of property DES-PT-50a-LTLFireability-05 finished in 273312 ms.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202505121319/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!(F(p0))'
Support contains 2 out of 312 places. Attempting structural reductions.
Starting structural reductions in SI_LTL mode, iteration 0 : 312/312 places, 256/256 transitions.
Applied a total of 0 rules in 9 ms. Remains 312 /312 variables (removed 0) and now considering 256/256 (removed 0) transitions.
// Phase 1: matrix 256 rows 312 cols
[2025-06-01 01:40:17] [INFO ] Computed 58 invariants in 3 ms
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-01 01:40:17] [INFO ] Implicit Places using invariants in 407 ms returned []
[2025-06-01 01:40:17] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-01 01:40:18] [INFO ] Implicit Places using invariants and state equation in 1026 ms returned []
Implicit Place search using SMT with State Equation took 1436 ms to find 0 implicit places.
Starting Z3 with timeout 200.0 s and query timeout 20000.0 ms
[2025-06-01 01:40:18] [INFO ] Redundant transitions in 6 ms returned []
Running 255 sub problems to find dead transitions.
[2025-06-01 01:40:18] [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) 0/311 variables, 12/12 constraints. Problems are: Problem set: 0 solved, 255 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/311 variables, 0/12 constraints. Problems are: Problem set: 0 solved, 255 unsolved
At refinement iteration 2 (OVERLAPS) 1/312 variables, 33/45 constraints. Problems are: Problem set: 0 solved, 255 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/312 variables, 13/58 constraints. Problems are: Problem set: 0 solved, 255 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 01:40:24] [INFO ] Deduced a trap composed of 12 places in 64 ms of which 8 ms to minimize.
At refinement iteration 4 (INCLUDED_ONLY) 0/312 variables, 1/59 constraints. Problems are: Problem set: 0 solved, 255 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/312 variables, 0/59 constraints. Problems are: Problem set: 0 solved, 255 unsolved
At refinement iteration 6 (OVERLAPS) 256/568 variables, 312/371 constraints. Problems are: Problem set: 0 solved, 255 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/568 variables, 0/371 constraints. Problems are: Problem set: 0 solved, 255 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 01:40:40] [INFO ] Deduced a trap composed of 9 places in 90 ms of which 5 ms to minimize.
At refinement iteration 8 (OVERLAPS) 0/568 variables, 1/372 constraints. Problems are: Problem set: 0 solved, 255 unsolved
Error getting values : (error "ParserException while parsing response: ((t0 0.0)
(t1 15.0)
(t2 15.0)timeout
org.smtlib.IParser$ParserException: Unbalanced parentheses at end of input")
Solver is answering 'unknown', stopping.
After SMT solving in domain Real declared 568/568 variables, and 372 constraints, problems are : Problem set: 0 solved, 255 unsolved in 30012 ms.
Refiners :[Positive P Invariants (semi-flows): 33/33 constraints, Generalized P Invariants (flows): 25/25 constraints, State Equation: 312/312 constraints, PredecessorRefiner: 255/255 constraints, Known Traps: 2/2 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 255 unsolved
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/311 variables, 12/12 constraints. Problems are: Problem set: 0 solved, 255 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/311 variables, 0/12 constraints. Problems are: Problem set: 0 solved, 255 unsolved
At refinement iteration 2 (OVERLAPS) 1/312 variables, 33/45 constraints. Problems are: Problem set: 0 solved, 255 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/312 variables, 13/58 constraints. Problems are: Problem set: 0 solved, 255 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/312 variables, 2/60 constraints. Problems are: Problem set: 0 solved, 255 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 01:40:52] [INFO ] Deduced a trap composed of 10 places in 46 ms of which 4 ms to minimize.
At refinement iteration 5 (INCLUDED_ONLY) 0/312 variables, 1/61 constraints. Problems are: Problem set: 0 solved, 255 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/312 variables, 0/61 constraints. Problems are: Problem set: 0 solved, 255 unsolved
At refinement iteration 7 (OVERLAPS) 256/568 variables, 312/373 constraints. Problems are: Problem set: 0 solved, 255 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/568 variables, 255/628 constraints. Problems are: Problem set: 0 solved, 255 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 568/568 variables, and 628 constraints, problems are : Problem set: 0 solved, 255 unsolved in 30013 ms.
Refiners :[Positive P Invariants (semi-flows): 33/33 constraints, Generalized P Invariants (flows): 25/25 constraints, State Equation: 312/312 constraints, PredecessorRefiner: 255/255 constraints, Known Traps: 3/3 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 60176ms problems are : Problem set: 0 solved, 255 unsolved
Search for dead transitions found 0 dead transitions in 60177ms
Finished structural reductions in SI_LTL mode , in 1 iterations and 61642 ms. Remains : 312/312 places, 256/256 transitions.
Stuttering acceptance computed with spot in 42 ms :[(NOT p0)]
Running random walk in product with property : DES-PT-50a-LTLFireability-07
Stuttering criterion allowed to conclude after 44 steps with 0 reset in 0 ms.
FORMULA DES-PT-50a-LTLFireability-07 FALSE TECHNIQUES STUTTER_TEST
Treatment of property DES-PT-50a-LTLFireability-07 finished in 61698 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(G(p1))) U X(p2)))'
Support contains 6 out of 312 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 312/312 places, 256/256 transitions.
Applied a total of 0 rules in 4 ms. Remains 312 /312 variables (removed 0) and now considering 256/256 (removed 0) transitions.
[2025-06-01 01:41:19] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-01 01:41:19] [INFO ] Implicit Places using invariants in 294 ms returned []
[2025-06-01 01:41:19] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-01 01:41:20] [INFO ] Implicit Places using invariants and state equation in 979 ms returned []
Implicit Place search using SMT with State Equation took 1283 ms to find 0 implicit places.
Running 255 sub problems to find dead transitions.
[2025-06-01 01:41:20] [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) 0/311 variables, 12/12 constraints. Problems are: Problem set: 0 solved, 255 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/311 variables, 0/12 constraints. Problems are: Problem set: 0 solved, 255 unsolved
At refinement iteration 2 (OVERLAPS) 1/312 variables, 33/45 constraints. Problems are: Problem set: 0 solved, 255 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/312 variables, 13/58 constraints. Problems are: Problem set: 0 solved, 255 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 01:41:24] [INFO ] Deduced a trap composed of 12 places in 47 ms of which 6 ms to minimize.
At refinement iteration 4 (INCLUDED_ONLY) 0/312 variables, 1/59 constraints. Problems are: Problem set: 0 solved, 255 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/312 variables, 0/59 constraints. Problems are: Problem set: 0 solved, 255 unsolved
At refinement iteration 6 (OVERLAPS) 256/568 variables, 312/371 constraints. Problems are: Problem set: 0 solved, 255 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/568 variables, 0/371 constraints. Problems are: Problem set: 0 solved, 255 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 01:41:36] [INFO ] Deduced a trap composed of 9 places in 93 ms of which 5 ms to minimize.
At refinement iteration 8 (OVERLAPS) 0/568 variables, 1/372 constraints. Problems are: Problem set: 0 solved, 255 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/568 variables, 0/372 constraints. Problems are: Problem set: 0 solved, 255 unsolved
Error getting values : (error "ParserException while parsing response: (timeout
org.smtlib.IParser$ParserException: Unbalanced parentheses at end of input")
Solver is answering 'unknown', stopping.
After SMT solving in domain Real declared 568/568 variables, and 372 constraints, problems are : Problem set: 0 solved, 255 unsolved in 30014 ms.
Refiners :[Positive P Invariants (semi-flows): 33/33 constraints, Generalized P Invariants (flows): 25/25 constraints, State Equation: 312/312 constraints, PredecessorRefiner: 255/255 constraints, Known Traps: 2/2 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 255 unsolved
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/311 variables, 12/12 constraints. Problems are: Problem set: 0 solved, 255 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/311 variables, 0/12 constraints. Problems are: Problem set: 0 solved, 255 unsolved
At refinement iteration 2 (OVERLAPS) 1/312 variables, 33/45 constraints. Problems are: Problem set: 0 solved, 255 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/312 variables, 13/58 constraints. Problems are: Problem set: 0 solved, 255 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/312 variables, 2/60 constraints. Problems are: Problem set: 0 solved, 255 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 01:41:55] [INFO ] Deduced a trap composed of 10 places in 74 ms of which 5 ms to minimize.
At refinement iteration 5 (INCLUDED_ONLY) 0/312 variables, 1/61 constraints. Problems are: Problem set: 0 solved, 255 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/312 variables, 0/61 constraints. Problems are: Problem set: 0 solved, 255 unsolved
At refinement iteration 7 (OVERLAPS) 256/568 variables, 312/373 constraints. Problems are: Problem set: 0 solved, 255 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/568 variables, 255/628 constraints. Problems are: Problem set: 0 solved, 255 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 568/568 variables, and 628 constraints, problems are : Problem set: 0 solved, 255 unsolved in 30019 ms.
Refiners :[Positive P Invariants (semi-flows): 33/33 constraints, Generalized P Invariants (flows): 25/25 constraints, State Equation: 312/312 constraints, PredecessorRefiner: 255/255 constraints, Known Traps: 3/3 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 60121ms problems are : Problem set: 0 solved, 255 unsolved
Search for dead transitions found 0 dead transitions in 60123ms
Finished structural reductions in LTL mode , in 1 iterations and 61411 ms. Remains : 312/312 places, 256/256 transitions.
Stuttering acceptance computed with spot in 256 ms :[(NOT p2), (AND (NOT p0) (NOT p2) (NOT p1)), (NOT p2), (NOT p0), (AND (NOT p0) (NOT p1)), (NOT p1)]
Running random walk in product with property : DES-PT-50a-LTLFireability-09
Stuttering criterion allowed to conclude after 45 steps with 0 reset in 0 ms.
FORMULA DES-PT-50a-LTLFireability-09 FALSE TECHNIQUES STUTTER_TEST
Treatment of property DES-PT-50a-LTLFireability-09 finished in 61699 ms.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202505121319/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!(((G(p0) U p1) U X(X(X((!p2||F(!p3)))))))'
Support contains 9 out of 312 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 312/312 places, 256/256 transitions.
Applied a total of 0 rules in 6 ms. Remains 312 /312 variables (removed 0) and now considering 256/256 (removed 0) transitions.
[2025-06-01 01:42:20] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-01 01:42:21] [INFO ] Implicit Places using invariants in 519 ms returned []
[2025-06-01 01:42:21] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-01 01:42:22] [INFO ] Implicit Places using invariants and state equation in 1187 ms returned []
Implicit Place search using SMT with State Equation took 1710 ms to find 0 implicit places.
Running 255 sub problems to find dead transitions.
[2025-06-01 01:42:22] [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) 0/311 variables, 12/12 constraints. Problems are: Problem set: 0 solved, 255 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/311 variables, 0/12 constraints. Problems are: Problem set: 0 solved, 255 unsolved
At refinement iteration 2 (OVERLAPS) 1/312 variables, 33/45 constraints. Problems are: Problem set: 0 solved, 255 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/312 variables, 13/58 constraints. Problems are: Problem set: 0 solved, 255 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 01:42:28] [INFO ] Deduced a trap composed of 12 places in 87 ms of which 8 ms to minimize.
At refinement iteration 4 (INCLUDED_ONLY) 0/312 variables, 1/59 constraints. Problems are: Problem set: 0 solved, 255 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/312 variables, 0/59 constraints. Problems are: Problem set: 0 solved, 255 unsolved
At refinement iteration 6 (OVERLAPS) 256/568 variables, 312/371 constraints. Problems are: Problem set: 0 solved, 255 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/568 variables, 0/371 constraints. Problems are: Problem set: 0 solved, 255 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 01:42:46] [INFO ] Deduced a trap composed of 9 places in 117 ms of which 9 ms to minimize.
At refinement iteration 8 (OVERLAPS) 0/568 variables, 1/372 constraints. Problems are: Problem set: 0 solved, 255 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Real declared 568/568 variables, and 372 constraints, problems are : Problem set: 0 solved, 255 unsolved in 30012 ms.
Refiners :[Positive P Invariants (semi-flows): 33/33 constraints, Generalized P Invariants (flows): 25/25 constraints, State Equation: 312/312 constraints, PredecessorRefiner: 255/255 constraints, Known Traps: 2/2 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 255 unsolved
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/311 variables, 12/12 constraints. Problems are: Problem set: 0 solved, 255 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/311 variables, 0/12 constraints. Problems are: Problem set: 0 solved, 255 unsolved
At refinement iteration 2 (OVERLAPS) 1/312 variables, 33/45 constraints. Problems are: Problem set: 0 solved, 255 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/312 variables, 13/58 constraints. Problems are: Problem set: 0 solved, 255 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/312 variables, 2/60 constraints. Problems are: Problem set: 0 solved, 255 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 01:42:57] [INFO ] Deduced a trap composed of 10 places in 57 ms of which 4 ms to minimize.
At refinement iteration 5 (INCLUDED_ONLY) 0/312 variables, 1/61 constraints. Problems are: Problem set: 0 solved, 255 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/312 variables, 0/61 constraints. Problems are: Problem set: 0 solved, 255 unsolved
At refinement iteration 7 (OVERLAPS) 256/568 variables, 312/373 constraints. Problems are: Problem set: 0 solved, 255 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/568 variables, 255/628 constraints. Problems are: Problem set: 0 solved, 255 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 568/568 variables, and 628 constraints, problems are : Problem set: 0 solved, 255 unsolved in 30022 ms.
Refiners :[Positive P Invariants (semi-flows): 33/33 constraints, Generalized P Invariants (flows): 25/25 constraints, State Equation: 312/312 constraints, PredecessorRefiner: 255/255 constraints, Known Traps: 3/3 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 60190ms problems are : Problem set: 0 solved, 255 unsolved
Search for dead transitions found 0 dead transitions in 60191ms
Finished structural reductions in LTL mode , in 1 iterations and 61909 ms. Remains : 312/312 places, 256/256 transitions.
Stuttering acceptance computed with spot in 1115 ms :[(AND p2 p3), (AND p3 p2), (OR (AND (NOT p0) p2 p3) (AND (NOT p1) p2 p3)), (AND p2 p3), (AND p3 p2), (AND p3 p2), p3, (AND p3 p2 (NOT p0)), (AND p3 (NOT p1) p0 p2), (AND p3 p2), (OR (AND (NOT p0) p2 p3) (AND (NOT p1) p2 p3)), (AND p2 p3), (AND p3 (NOT p0) p2), (AND p3 (NOT p1) p0 p2), (AND p3 p2), (AND p3 p2 (NOT p0)), (AND p3 (NOT p1) p0 p2), (AND p3 p2), (OR (AND (NOT p0) p2 p3) (AND (NOT p1) p2 p3)), (AND p2 p3), (AND p3 (NOT p0)), (AND (NOT p1) p3)]
Running random walk in product with property : DES-PT-50a-LTLFireability-10
Product exploration explored 100000 steps with 25000 reset in 375 ms.
Product exploration explored 100000 steps with 25000 reset in 403 ms.
Computed a total of 215 stabilizing places and 210 stable transitions
Computed a total of 215 stabilizing places and 210 stable transitions
Detected a total of 215/312 stabilizing places and 210/256 transitions leading to convergence knowledge of the form 'F(Gp|G!p)' for 3/4 atomic propositions.
Knowledge obtained : [(AND (NOT p1) (NOT p0) (NOT p2) (NOT p3)), (X (NOT (OR p1 p0))), (X (NOT (AND (NOT p1) p0))), (X (AND (NOT p1) (NOT p0))), (X (NOT p0)), (X (NOT p1)), (X (X (NOT (OR p1 p0)))), (X (X (NOT (AND (NOT p1) p0)))), (X (X (AND (NOT p1) (NOT p0)))), (X (X (NOT p0))), (X (X (NOT p1))), (F (OR (G p1) (G (NOT p1)))), (F (OR (G p2) (G (NOT p2)))), (F (OR (G p3) (G (NOT p3))))]
False Knowledge obtained : []
Knowledge based reduction with 14 factoid took 333 ms. Reduced automaton from 22 states, 42 edges and 4 AP (stutter sensitive) to 5 states, 5 edges and 2 AP (stutter sensitive).
Stuttering acceptance computed with spot in 177 ms :[p3, (AND p3 p2), (AND p3 p2), (AND p3 p2), (AND p3 p2)]
RANDOM walk for 40000 steps (886 resets) in 117 ms. (338 steps per ms) remains 3/3 properties
BEST_FIRST walk for 40003 steps (223 resets) in 62 ms. (634 steps per ms) remains 3/3 properties
BEST_FIRST walk for 40002 steps (198 resets) in 53 ms. (740 steps per ms) remains 3/3 properties
BEST_FIRST walk for 40004 steps (210 resets) in 49 ms. (800 steps per ms) remains 3/3 properties
Interrupted probabilistic random walk after 669439 steps, run timeout after 3001 ms. (steps per millisecond=223 ) properties seen :0 out of 3
Probabilistic random walk after 669439 steps, saw 104155 distinct states, run finished after 3001 ms. (steps per millisecond=223 ) properties seen :0
[2025-06-01 01:43:28] [INFO ] Invariant cache hit.
Starting Z3 with timeout 5.0 s and query timeout 500.0 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) 70/80 variables, 30/33 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/80 variables, 0/33 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 5 (OVERLAPS) 174/254 variables, 23/56 constraints. Problems are: Problem set: 0 solved, 3 unsolved
All remaining problems are real, not stopping.
At refinement iteration 6 (INCLUDED_ONLY) 0/254 variables, 0/56 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 7 (OVERLAPS) 6/260 variables, 2/58 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/260 variables, 0/58 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 9 (OVERLAPS) 255/515 variables, 260/318 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/515 variables, 0/318 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 11 (OVERLAPS) 53/568 variables, 52/370 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 12 (INCLUDED_ONLY) 0/568 variables, 0/370 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 13 (OVERLAPS) 0/568 variables, 0/370 constraints. Problems are: Problem set: 0 solved, 3 unsolved
No progress, stopping.
After SMT solving in domain Real declared 568/568 variables, and 370 constraints, problems are : Problem set: 0 solved, 3 unsolved in 619 ms.
Refiners :[Positive P Invariants (semi-flows): 33/33 constraints, Generalized P Invariants (flows): 25/25 constraints, State Equation: 312/312 constraints, PredecessorRefiner: 3/3 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 3 unsolved
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/4 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) 70/80 variables, 30/33 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/80 variables, 0/33 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 5 (OVERLAPS) 174/254 variables, 23/56 constraints. Problems are: Problem set: 0 solved, 3 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 01:43:29] [INFO ] Deduced a trap composed of 9 places in 104 ms of which 9 ms to minimize.
At refinement iteration 6 (INCLUDED_ONLY) 0/254 variables, 1/57 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/254 variables, 0/57 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 8 (OVERLAPS) 6/260 variables, 2/59 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/260 variables, 0/59 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 10 (OVERLAPS) 255/515 variables, 260/319 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/515 variables, 0/319 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 12 (OVERLAPS) 53/568 variables, 52/371 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 13 (INCLUDED_ONLY) 0/568 variables, 3/374 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 14 (INCLUDED_ONLY) 0/568 variables, 0/374 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 15 (OVERLAPS) 0/568 variables, 0/374 constraints. Problems are: Problem set: 0 solved, 3 unsolved
No progress, stopping.
After SMT solving in domain Int declared 568/568 variables, and 374 constraints, problems are : Problem set: 0 solved, 3 unsolved in 2958 ms.
Refiners :[Positive P Invariants (semi-flows): 33/33 constraints, Generalized P Invariants (flows): 25/25 constraints, State Equation: 312/312 constraints, PredecessorRefiner: 3/3 constraints, Known Traps: 1/1 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 3586ms problems are : Problem set: 0 solved, 3 unsolved
Fused 3 Parikh solutions to 1 different solutions.
Parikh walk visited 0 properties in 1730 ms.
Support contains 4 out of 312 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 312/312 places, 256/256 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 312 transition count 254
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 312 transition count 254
Applied a total of 7 rules in 17 ms. Remains 312 /312 variables (removed 0) and now considering 254/256 (removed 2) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 17 ms. Remains : 312/312 places, 254/256 transitions.
RANDOM walk for 40000 steps (546 resets) in 202 ms. (197 steps per ms) remains 3/3 properties
BEST_FIRST walk for 40003 steps (64 resets) in 81 ms. (487 steps per ms) remains 3/3 properties
BEST_FIRST walk for 40003 steps (66 resets) in 97 ms. (408 steps per ms) remains 3/3 properties
BEST_FIRST walk for 40004 steps (92 resets) in 81 ms. (487 steps per ms) remains 3/3 properties
Interrupted probabilistic random walk after 659039 steps, run timeout after 3001 ms. (steps per millisecond=219 ) properties seen :0 out of 3
Probabilistic random walk after 659039 steps, saw 94814 distinct states, run finished after 3002 ms. (steps per millisecond=219 ) properties seen :0
// Phase 1: matrix 254 rows 312 cols
[2025-06-01 01:43:36] [INFO ] Computed 60 invariants in 4 ms
[2025-06-01 01:43:36] [INFO ] State equation strengthened by 2 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, 0/35 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 5 (OVERLAPS) 177/263 variables, 25/60 constraints. Problems are: Problem set: 0 solved, 3 unsolved
All remaining problems are real, not stopping.
At refinement iteration 6 (INCLUDED_ONLY) 0/263 variables, 0/60 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 7 (OVERLAPS) 254/517 variables, 263/323 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/517 variables, 2/325 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/517 variables, 0/325 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 10 (OVERLAPS) 49/566 variables, 49/374 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/566 variables, 0/374 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 12 (OVERLAPS) 0/566 variables, 0/374 constraints. Problems are: Problem set: 0 solved, 3 unsolved
No progress, stopping.
After SMT solving in domain Real declared 566/566 variables, and 374 constraints, problems are : Problem set: 0 solved, 3 unsolved in 489 ms.
Refiners :[Positive P Invariants (semi-flows): 35/35 constraints, Generalized P Invariants (flows): 25/25 constraints, State Equation: 312/312 constraints, ReadFeed: 2/2 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, 0/35 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 5 (OVERLAPS) 177/263 variables, 25/60 constraints. Problems are: Problem set: 0 solved, 3 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 01:43:37] [INFO ] Deduced a trap composed of 8 places in 85 ms of which 5 ms to minimize.
At refinement iteration 6 (INCLUDED_ONLY) 0/263 variables, 1/61 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/263 variables, 0/61 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 8 (OVERLAPS) 254/517 variables, 263/324 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/517 variables, 2/326 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/517 variables, 0/326 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 11 (OVERLAPS) 49/566 variables, 49/375 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 12 (INCLUDED_ONLY) 0/566 variables, 3/378 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 13 (INCLUDED_ONLY) 0/566 variables, 0/378 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 14 (OVERLAPS) 0/566 variables, 0/378 constraints. Problems are: Problem set: 0 solved, 3 unsolved
No progress, stopping.
After SMT solving in domain Int declared 566/566 variables, and 378 constraints, problems are : Problem set: 0 solved, 3 unsolved in 2252 ms.
Refiners :[Positive P Invariants (semi-flows): 35/35 constraints, Generalized P Invariants (flows): 25/25 constraints, State Equation: 312/312 constraints, ReadFeed: 2/2 constraints, PredecessorRefiner: 3/3 constraints, Known Traps: 1/1 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 2753ms problems are : Problem set: 0 solved, 3 unsolved
Fused 3 Parikh solutions to 1 different solutions.
Parikh walk visited 0 properties in 1719 ms.
Support contains 4 out of 312 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 312/312 places, 254/254 transitions.
Applied a total of 0 rules in 8 ms. Remains 312 /312 variables (removed 0) and now considering 254/254 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 8 ms. Remains : 312/312 places, 254/254 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 312/312 places, 254/254 transitions.
Applied a total of 0 rules in 6 ms. Remains 312 /312 variables (removed 0) and now considering 254/254 (removed 0) transitions.
[2025-06-01 01:43:41] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-01 01:43:41] [INFO ] Implicit Places using invariants in 366 ms returned []
[2025-06-01 01:43:41] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-01 01:43:41] [INFO ] State equation strengthened by 2 read => feed constraints.
[2025-06-01 01:43:42] [INFO ] Implicit Places using invariants and state equation in 788 ms returned []
Implicit Place search using SMT with State Equation took 1156 ms to find 0 implicit places.
Starting Z3 with timeout 200.0 s and query timeout 20000.0 ms
[2025-06-01 01:43:42] [INFO ] Redundant transitions in 1 ms returned []
Running 253 sub problems to find dead transitions.
[2025-06-01 01:43:42] [INFO ] Invariant cache hit.
[2025-06-01 01:43:42] [INFO ] State equation strengthened by 2 read => feed constraints.
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/311 variables, 12/12 constraints. Problems are: Problem set: 0 solved, 253 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/311 variables, 0/12 constraints. Problems are: Problem set: 0 solved, 253 unsolved
At refinement iteration 2 (OVERLAPS) 1/312 variables, 35/47 constraints. Problems are: Problem set: 0 solved, 253 unsolved
All remaining problems are real, not stopping.
At refinement iteration 3 (INCLUDED_ONLY) 0/312 variables, 13/60 constraints. Problems are: Problem set: 0 solved, 253 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/312 variables, 0/60 constraints. Problems are: Problem set: 0 solved, 253 unsolved
At refinement iteration 5 (OVERLAPS) 254/566 variables, 312/372 constraints. Problems are: Problem set: 0 solved, 253 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/566 variables, 2/374 constraints. Problems are: Problem set: 0 solved, 253 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 01:43:52] [INFO ] Deduced a trap composed of 12 places in 73 ms of which 9 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 01:43:55] [INFO ] Deduced a trap composed of 7 places in 109 ms of which 8 ms to minimize.
At refinement iteration 7 (INCLUDED_ONLY) 0/566 variables, 2/376 constraints. Problems are: Problem set: 0 solved, 253 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 01:44:03] [INFO ] Deduced a trap composed of 11 places in 145 ms of which 11 ms to minimize.
At refinement iteration 8 (INCLUDED_ONLY) 0/566 variables, 1/377 constraints. Problems are: Problem set: 0 solved, 253 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Real declared 566/566 variables, and 377 constraints, problems are : Problem set: 0 solved, 253 unsolved in 30011 ms.
Refiners :[Positive P Invariants (semi-flows): 35/35 constraints, Generalized P Invariants (flows): 25/25 constraints, State Equation: 312/312 constraints, ReadFeed: 2/2 constraints, PredecessorRefiner: 253/253 constraints, Known Traps: 3/3 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 253 unsolved
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/311 variables, 12/12 constraints. Problems are: Problem set: 0 solved, 253 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/311 variables, 0/12 constraints. Problems are: Problem set: 0 solved, 253 unsolved
At refinement iteration 2 (OVERLAPS) 1/312 variables, 35/47 constraints. Problems are: Problem set: 0 solved, 253 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/312 variables, 13/60 constraints. Problems are: Problem set: 0 solved, 253 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/312 variables, 3/63 constraints. Problems are: Problem set: 0 solved, 253 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 01:44:18] [INFO ] Deduced a trap composed of 8 places in 65 ms of which 4 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 01:44:18] [INFO ] Deduced a trap composed of 6 places in 46 ms of which 3 ms to minimize.
At refinement iteration 5 (INCLUDED_ONLY) 0/312 variables, 2/65 constraints. Problems are: Problem set: 0 solved, 253 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/312 variables, 0/65 constraints. Problems are: Problem set: 0 solved, 253 unsolved
At refinement iteration 7 (OVERLAPS) 254/566 variables, 312/377 constraints. Problems are: Problem set: 0 solved, 253 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/566 variables, 2/379 constraints. Problems are: Problem set: 0 solved, 253 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/566 variables, 253/632 constraints. Problems are: Problem set: 0 solved, 253 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 566/566 variables, and 632 constraints, problems are : Problem set: 0 solved, 253 unsolved in 30036 ms.
Refiners :[Positive P Invariants (semi-flows): 35/35 constraints, Generalized P Invariants (flows): 25/25 constraints, State Equation: 312/312 constraints, ReadFeed: 2/2 constraints, PredecessorRefiner: 253/253 constraints, Known Traps: 5/5 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 60130ms problems are : Problem set: 0 solved, 253 unsolved
Search for dead transitions found 0 dead transitions in 60132ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 61303 ms. Remains : 312/312 places, 254/254 transitions.
Attempting over-approximation, by ignoring read arcs.
Applied a total of 0 rules in 13 ms. Remains 312 /312 variables (removed 0) and now considering 254/254 (removed 0) transitions.
Running SMT prover for 3 properties.
[2025-06-01 01:44:42] [INFO ] Invariant cache hit.
Starting Z3 with timeout 450.0 s and query timeout 45000.0 ms
[2025-06-01 01:44:42] [INFO ] [Real]Absence check using 35 positive place invariants in 14 ms returned sat
[2025-06-01 01:44:42] [INFO ] [Real]Absence check using 35 positive and 25 generalized place invariants in 37 ms returned sat
[2025-06-01 01:44:42] [INFO ] After 263ms SMT Verify possible using all constraints in real domain returned unsat :0 sat :0 real:3
Starting Z3 with timeout 450.0 s and query timeout 45000.0 ms
[2025-06-01 01:44:43] [INFO ] [Nat]Absence check using 35 positive place invariants in 15 ms returned sat
[2025-06-01 01:44:43] [INFO ] [Nat]Absence check using 35 positive and 25 generalized place invariants in 42 ms returned sat
[2025-06-01 01:44:43] [INFO ] After 640ms SMT Verify possible using state equation in natural domain returned unsat :0 sat :3
TRAPS : Iteration 0
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 01:44:44] [INFO ] Deduced a trap composed of 11 places in 145 ms of which 12 ms to minimize.
[2025-06-01 01:44:44] [INFO ] Trap strengthening (SAT) tested/added 2/1 trap constraints in 225 ms
TRAPS : Iteration 1
[2025-06-01 01:44:45] [INFO ] After 1891ms SMT Verify possible using trap constraints in natural domain returned unsat :0 sat :3
[2025-06-01 01:44:45] [INFO ] After 2480ms SMT Verify possible using all constraints in natural domain returned unsat :0 sat :3
Over-approximation ignoring read arcs solved 0 properties in 2767 ms.
Knowledge obtained : [(AND (NOT p1) (NOT p0) (NOT p2) (NOT p3)), (X (NOT (OR p1 p0))), (X (NOT (AND (NOT p1) p0))), (X (AND (NOT p1) (NOT p0))), (X (NOT p0)), (X (NOT p1)), (X (X (NOT (OR p1 p0)))), (X (X (NOT (AND (NOT p1) p0)))), (X (X (AND (NOT p1) (NOT p0)))), (X (X (NOT p0))), (X (X (NOT p1))), (F (OR (G p1) (G (NOT p1)))), (F (OR (G p2) (G (NOT p2)))), (F (OR (G p3) (G (NOT p3))))]
False Knowledge obtained : []
Knowledge based reduction with 14 factoid took 501 ms. Reduced automaton from 5 states, 5 edges and 2 AP (stutter sensitive) to 5 states, 5 edges and 2 AP (stutter sensitive).
Stuttering acceptance computed with spot in 257 ms :[p3, (AND p3 p2), (AND p3 p2), (AND p3 p2), (AND p3 p2)]
Stuttering acceptance computed with spot in 255 ms :[p3, (AND p3 p2), (AND p3 p2), (AND p3 p2), (AND p3 p2)]
Support contains 4 out of 312 places. Attempting structural reductions.
Property had overlarge support with respect to TGBA, discarding it for now.
Starting structural reductions in LTL mode, iteration 0 : 312/312 places, 256/256 transitions.
Applied a total of 0 rules in 6 ms. Remains 312 /312 variables (removed 0) and now considering 256/256 (removed 0) transitions.
// Phase 1: matrix 256 rows 312 cols
[2025-06-01 01:44:46] [INFO ] Computed 58 invariants in 5 ms
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-01 01:44:47] [INFO ] Implicit Places using invariants in 744 ms returned []
[2025-06-01 01:44:47] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-01 01:44:48] [INFO ] Implicit Places using invariants and state equation in 1181 ms returned []
Implicit Place search using SMT with State Equation took 1963 ms to find 0 implicit places.
Running 255 sub problems to find dead transitions.
[2025-06-01 01:44:48] [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) 0/311 variables, 12/12 constraints. Problems are: Problem set: 0 solved, 255 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/311 variables, 0/12 constraints. Problems are: Problem set: 0 solved, 255 unsolved
At refinement iteration 2 (OVERLAPS) 1/312 variables, 33/45 constraints. Problems are: Problem set: 0 solved, 255 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/312 variables, 13/58 constraints. Problems are: Problem set: 0 solved, 255 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 01:44:53] [INFO ] Deduced a trap composed of 12 places in 164 ms of which 5 ms to minimize.
At refinement iteration 4 (INCLUDED_ONLY) 0/312 variables, 1/59 constraints. Problems are: Problem set: 0 solved, 255 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/312 variables, 0/59 constraints. Problems are: Problem set: 0 solved, 255 unsolved
At refinement iteration 6 (OVERLAPS) 256/568 variables, 312/371 constraints. Problems are: Problem set: 0 solved, 255 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/568 variables, 0/371 constraints. Problems are: Problem set: 0 solved, 255 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 01:45:12] [INFO ] Deduced a trap composed of 9 places in 143 ms of which 8 ms to minimize.
At refinement iteration 8 (OVERLAPS) 0/568 variables, 1/372 constraints. Problems are: Problem set: 0 solved, 255 unsolved
Error getting values : (error "ParserException while parsing response: (timeout
org.smtlib.IParser$ParserException: Unbalanced parentheses at end of input")
Solver is answering 'unknown', stopping.
After SMT solving in domain Real declared 568/568 variables, and 372 constraints, problems are : Problem set: 0 solved, 255 unsolved in 30017 ms.
Refiners :[Positive P Invariants (semi-flows): 33/33 constraints, Generalized P Invariants (flows): 25/25 constraints, State Equation: 312/312 constraints, PredecessorRefiner: 255/255 constraints, Known Traps: 2/2 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 255 unsolved
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/311 variables, 12/12 constraints. Problems are: Problem set: 0 solved, 255 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/311 variables, 0/12 constraints. Problems are: Problem set: 0 solved, 255 unsolved
At refinement iteration 2 (OVERLAPS) 1/312 variables, 33/45 constraints. Problems are: Problem set: 0 solved, 255 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/312 variables, 13/58 constraints. Problems are: Problem set: 0 solved, 255 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/312 variables, 2/60 constraints. Problems are: Problem set: 0 solved, 255 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 01:45:24] [INFO ] Deduced a trap composed of 10 places in 296 ms of which 33 ms to minimize.
At refinement iteration 5 (INCLUDED_ONLY) 0/312 variables, 1/61 constraints. Problems are: Problem set: 0 solved, 255 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/312 variables, 0/61 constraints. Problems are: Problem set: 0 solved, 255 unsolved
At refinement iteration 7 (OVERLAPS) 256/568 variables, 312/373 constraints. Problems are: Problem set: 0 solved, 255 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/568 variables, 255/628 constraints. Problems are: Problem set: 0 solved, 255 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 568/568 variables, and 628 constraints, problems are : Problem set: 0 solved, 255 unsolved in 30023 ms.
Refiners :[Positive P Invariants (semi-flows): 33/33 constraints, Generalized P Invariants (flows): 25/25 constraints, State Equation: 312/312 constraints, PredecessorRefiner: 255/255 constraints, Known Traps: 3/3 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 60121ms problems are : Problem set: 0 solved, 255 unsolved
Search for dead transitions found 0 dead transitions in 60124ms
Finished structural reductions in LTL mode , in 1 iterations and 62095 ms. Remains : 312/312 places, 256/256 transitions.
Computed a total of 215 stabilizing places and 210 stable transitions
Computed a total of 215 stabilizing places and 210 stable transitions
Detected a total of 215/312 stabilizing places and 210/256 transitions leading to convergence knowledge of the form 'F(Gp|G!p)' for 2/2 atomic propositions.
Knowledge obtained : [(AND (NOT p3) (NOT p2)), (F (OR (G p3) (G (NOT p3)))), (F (OR (G p2) (G (NOT p2))))]
False Knowledge obtained : []
Knowledge based reduction with 3 factoid took 124 ms. Reduced automaton from 5 states, 5 edges and 2 AP (stutter sensitive) to 5 states, 5 edges and 2 AP (stutter sensitive).
Stuttering acceptance computed with spot in 173 ms :[p3, (AND p3 p2), (AND p3 p2), (AND p3 p2), (AND p3 p2)]
RANDOM walk for 40000 steps (912 resets) in 200 ms. (199 steps per ms) remains 3/3 properties
BEST_FIRST walk for 40003 steps (225 resets) in 72 ms. (547 steps per ms) remains 3/3 properties
BEST_FIRST walk for 40003 steps (178 resets) in 52 ms. (754 steps per ms) remains 3/3 properties
BEST_FIRST walk for 40002 steps (201 resets) in 54 ms. (727 steps per ms) remains 3/3 properties
Interrupted probabilistic random walk after 580333 steps, run timeout after 3001 ms. (steps per millisecond=193 ) properties seen :0 out of 3
Probabilistic random walk after 580333 steps, saw 92752 distinct states, run finished after 3001 ms. (steps per millisecond=193 ) properties seen :0
[2025-06-01 01:45:52] [INFO ] Invariant cache hit.
Starting Z3 with timeout 5.0 s and query timeout 500.0 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) 70/80 variables, 30/33 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/80 variables, 0/33 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 5 (OVERLAPS) 174/254 variables, 23/56 constraints. Problems are: Problem set: 0 solved, 3 unsolved
All remaining problems are real, not stopping.
At refinement iteration 6 (INCLUDED_ONLY) 0/254 variables, 0/56 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 7 (OVERLAPS) 6/260 variables, 2/58 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/260 variables, 0/58 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 9 (OVERLAPS) 255/515 variables, 260/318 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/515 variables, 0/318 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 11 (OVERLAPS) 53/568 variables, 52/370 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 12 (INCLUDED_ONLY) 0/568 variables, 0/370 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 13 (OVERLAPS) 0/568 variables, 0/370 constraints. Problems are: Problem set: 0 solved, 3 unsolved
No progress, stopping.
After SMT solving in domain Real declared 568/568 variables, and 370 constraints, problems are : Problem set: 0 solved, 3 unsolved in 477 ms.
Refiners :[Positive P Invariants (semi-flows): 33/33 constraints, Generalized P Invariants (flows): 25/25 constraints, State Equation: 312/312 constraints, PredecessorRefiner: 3/3 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 3 unsolved
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/4 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) 70/80 variables, 30/33 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/80 variables, 0/33 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 5 (OVERLAPS) 174/254 variables, 23/56 constraints. Problems are: Problem set: 0 solved, 3 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 01:45:52] [INFO ] Deduced a trap composed of 9 places in 149 ms of which 9 ms to minimize.
At refinement iteration 6 (INCLUDED_ONLY) 0/254 variables, 1/57 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/254 variables, 0/57 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 8 (OVERLAPS) 6/260 variables, 2/59 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/260 variables, 0/59 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 10 (OVERLAPS) 255/515 variables, 260/319 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/515 variables, 0/319 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 12 (OVERLAPS) 53/568 variables, 52/371 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 13 (INCLUDED_ONLY) 0/568 variables, 3/374 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 14 (INCLUDED_ONLY) 0/568 variables, 0/374 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 15 (OVERLAPS) 0/568 variables, 0/374 constraints. Problems are: Problem set: 0 solved, 3 unsolved
No progress, stopping.
After SMT solving in domain Int declared 568/568 variables, and 374 constraints, problems are : Problem set: 0 solved, 3 unsolved in 3010 ms.
Refiners :[Positive P Invariants (semi-flows): 33/33 constraints, Generalized P Invariants (flows): 25/25 constraints, State Equation: 312/312 constraints, PredecessorRefiner: 3/3 constraints, Known Traps: 1/1 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 3526ms problems are : Problem set: 0 solved, 3 unsolved
Fused 3 Parikh solutions to 1 different solutions.
Parikh walk visited 0 properties in 1830 ms.
Support contains 4 out of 312 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 312/312 places, 256/256 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 312 transition count 254
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 312 transition count 254
Applied a total of 7 rules in 19 ms. Remains 312 /312 variables (removed 0) and now considering 254/256 (removed 2) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 19 ms. Remains : 312/312 places, 254/256 transitions.
RANDOM walk for 40000 steps (536 resets) in 200 ms. (199 steps per ms) remains 3/3 properties
BEST_FIRST walk for 40003 steps (62 resets) in 119 ms. (333 steps per ms) remains 3/3 properties
BEST_FIRST walk for 40004 steps (78 resets) in 79 ms. (500 steps per ms) remains 3/3 properties
BEST_FIRST walk for 40003 steps (95 resets) in 75 ms. (526 steps per ms) remains 3/3 properties
Interrupted probabilistic random walk after 725333 steps, run timeout after 3001 ms. (steps per millisecond=241 ) properties seen :0 out of 3
Probabilistic random walk after 725333 steps, saw 104267 distinct states, run finished after 3001 ms. (steps per millisecond=241 ) properties seen :0
// Phase 1: matrix 254 rows 312 cols
[2025-06-01 01:46:00] [INFO ] Computed 60 invariants in 4 ms
[2025-06-01 01:46:00] [INFO ] State equation strengthened by 2 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, 0/35 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 5 (OVERLAPS) 177/263 variables, 25/60 constraints. Problems are: Problem set: 0 solved, 3 unsolved
All remaining problems are real, not stopping.
At refinement iteration 6 (INCLUDED_ONLY) 0/263 variables, 0/60 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 7 (OVERLAPS) 254/517 variables, 263/323 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/517 variables, 2/325 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/517 variables, 0/325 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 10 (OVERLAPS) 49/566 variables, 49/374 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/566 variables, 0/374 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 12 (OVERLAPS) 0/566 variables, 0/374 constraints. Problems are: Problem set: 0 solved, 3 unsolved
No progress, stopping.
After SMT solving in domain Real declared 566/566 variables, and 374 constraints, problems are : Problem set: 0 solved, 3 unsolved in 662 ms.
Refiners :[Positive P Invariants (semi-flows): 35/35 constraints, Generalized P Invariants (flows): 25/25 constraints, State Equation: 312/312 constraints, ReadFeed: 2/2 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, 0/35 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 5 (OVERLAPS) 177/263 variables, 25/60 constraints. Problems are: Problem set: 0 solved, 3 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 01:46:01] [INFO ] Deduced a trap composed of 8 places in 135 ms of which 7 ms to minimize.
At refinement iteration 6 (INCLUDED_ONLY) 0/263 variables, 1/61 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/263 variables, 0/61 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 8 (OVERLAPS) 254/517 variables, 263/324 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/517 variables, 2/326 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/517 variables, 0/326 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 11 (OVERLAPS) 49/566 variables, 49/375 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 12 (INCLUDED_ONLY) 0/566 variables, 3/378 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 13 (INCLUDED_ONLY) 0/566 variables, 0/378 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 14 (OVERLAPS) 0/566 variables, 0/378 constraints. Problems are: Problem set: 0 solved, 3 unsolved
No progress, stopping.
After SMT solving in domain Int declared 566/566 variables, and 378 constraints, problems are : Problem set: 0 solved, 3 unsolved in 2984 ms.
Refiners :[Positive P Invariants (semi-flows): 35/35 constraints, Generalized P Invariants (flows): 25/25 constraints, State Equation: 312/312 constraints, ReadFeed: 2/2 constraints, PredecessorRefiner: 3/3 constraints, Known Traps: 1/1 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 3659ms problems are : Problem set: 0 solved, 3 unsolved
Fused 3 Parikh solutions to 1 different solutions.
Parikh walk visited 0 properties in 1281 ms.
Support contains 4 out of 312 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 312/312 places, 254/254 transitions.
Applied a total of 0 rules in 21 ms. Remains 312 /312 variables (removed 0) and now considering 254/254 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 21 ms. Remains : 312/312 places, 254/254 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 312/312 places, 254/254 transitions.
Applied a total of 0 rules in 7 ms. Remains 312 /312 variables (removed 0) and now considering 254/254 (removed 0) transitions.
[2025-06-01 01:46:05] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-01 01:46:06] [INFO ] Implicit Places using invariants in 482 ms returned []
[2025-06-01 01:46:06] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-01 01:46:06] [INFO ] State equation strengthened by 2 read => feed constraints.
[2025-06-01 01:46:06] [INFO ] Implicit Places using invariants and state equation in 694 ms returned []
Implicit Place search using SMT with State Equation took 1190 ms to find 0 implicit places.
Starting Z3 with timeout 200.0 s and query timeout 20000.0 ms
[2025-06-01 01:46:06] [INFO ] Redundant transitions in 1 ms returned []
Running 253 sub problems to find dead transitions.
[2025-06-01 01:46:06] [INFO ] Invariant cache hit.
[2025-06-01 01:46:06] [INFO ] State equation strengthened by 2 read => feed constraints.
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/311 variables, 12/12 constraints. Problems are: Problem set: 0 solved, 253 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/311 variables, 0/12 constraints. Problems are: Problem set: 0 solved, 253 unsolved
At refinement iteration 2 (OVERLAPS) 1/312 variables, 35/47 constraints. Problems are: Problem set: 0 solved, 253 unsolved
All remaining problems are real, not stopping.
At refinement iteration 3 (INCLUDED_ONLY) 0/312 variables, 13/60 constraints. Problems are: Problem set: 0 solved, 253 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/312 variables, 0/60 constraints. Problems are: Problem set: 0 solved, 253 unsolved
At refinement iteration 5 (OVERLAPS) 254/566 variables, 312/372 constraints. Problems are: Problem set: 0 solved, 253 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/566 variables, 2/374 constraints. Problems are: Problem set: 0 solved, 253 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 01:46:19] [INFO ] Deduced a trap composed of 12 places in 82 ms of which 8 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 01:46:23] [INFO ] Deduced a trap composed of 7 places in 267 ms of which 12 ms to minimize.
At refinement iteration 7 (INCLUDED_ONLY) 0/566 variables, 2/376 constraints. Problems are: Problem set: 0 solved, 253 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 01:46:31] [INFO ] Deduced a trap composed of 11 places in 180 ms of which 17 ms to minimize.
Solver is answering 'unknown', stopping.
After SMT solving in domain Real declared 566/566 variables, and 377 constraints, problems are : Problem set: 0 solved, 253 unsolved in 30048 ms.
Refiners :[Positive P Invariants (semi-flows): 35/35 constraints, Generalized P Invariants (flows): 25/25 constraints, State Equation: 312/312 constraints, ReadFeed: 2/2 constraints, PredecessorRefiner: 253/253 constraints, Known Traps: 3/3 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 253 unsolved
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/311 variables, 12/12 constraints. Problems are: Problem set: 0 solved, 253 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/311 variables, 0/12 constraints. Problems are: Problem set: 0 solved, 253 unsolved
At refinement iteration 2 (OVERLAPS) 1/312 variables, 35/47 constraints. Problems are: Problem set: 0 solved, 253 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/312 variables, 13/60 constraints. Problems are: Problem set: 0 solved, 253 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/312 variables, 3/63 constraints. Problems are: Problem set: 0 solved, 253 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 01:46:42] [INFO ] Deduced a trap composed of 8 places in 74 ms of which 5 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 01:46:43] [INFO ] Deduced a trap composed of 6 places in 36 ms of which 3 ms to minimize.
At refinement iteration 5 (INCLUDED_ONLY) 0/312 variables, 2/65 constraints. Problems are: Problem set: 0 solved, 253 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/312 variables, 0/65 constraints. Problems are: Problem set: 0 solved, 253 unsolved
At refinement iteration 7 (OVERLAPS) 254/566 variables, 312/377 constraints. Problems are: Problem set: 0 solved, 253 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/566 variables, 2/379 constraints. Problems are: Problem set: 0 solved, 253 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/566 variables, 253/632 constraints. Problems are: Problem set: 0 solved, 253 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 566/566 variables, and 632 constraints, problems are : Problem set: 0 solved, 253 unsolved in 30014 ms.
Refiners :[Positive P Invariants (semi-flows): 35/35 constraints, Generalized P Invariants (flows): 25/25 constraints, State Equation: 312/312 constraints, ReadFeed: 2/2 constraints, PredecessorRefiner: 253/253 constraints, Known Traps: 5/5 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 60190ms problems are : Problem set: 0 solved, 253 unsolved
Search for dead transitions found 0 dead transitions in 60191ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 61394 ms. Remains : 312/312 places, 254/254 transitions.
Attempting over-approximation, by ignoring read arcs.
Applied a total of 0 rules in 8 ms. Remains 312 /312 variables (removed 0) and now considering 254/254 (removed 0) transitions.
Running SMT prover for 3 properties.
[2025-06-01 01:47:07] [INFO ] Invariant cache hit.
Starting Z3 with timeout 450.0 s and query timeout 45000.0 ms
[2025-06-01 01:47:07] [INFO ] [Real]Absence check using 35 positive place invariants in 26 ms returned sat
[2025-06-01 01:47:07] [INFO ] [Real]Absence check using 35 positive and 25 generalized place invariants in 120 ms returned sat
[2025-06-01 01:47:07] [INFO ] After 447ms SMT Verify possible using all constraints in real domain returned unsat :0 sat :0 real:3
Starting Z3 with timeout 450.0 s and query timeout 45000.0 ms
[2025-06-01 01:47:07] [INFO ] [Nat]Absence check using 35 positive place invariants in 10 ms returned sat
[2025-06-01 01:47:07] [INFO ] [Nat]Absence check using 35 positive and 25 generalized place invariants in 27 ms returned sat
[2025-06-01 01:47:08] [INFO ] After 407ms SMT Verify possible using state equation in natural domain returned unsat :0 sat :3
TRAPS : Iteration 0
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 01:47:08] [INFO ] Deduced a trap composed of 11 places in 94 ms of which 9 ms to minimize.
[2025-06-01 01:47:08] [INFO ] Trap strengthening (SAT) tested/added 2/1 trap constraints in 146 ms
TRAPS : Iteration 1
[2025-06-01 01:47:08] [INFO ] After 1300ms SMT Verify possible using trap constraints in natural domain returned unsat :0 sat :3
[2025-06-01 01:47:09] [INFO ] After 1850ms SMT Verify possible using all constraints in natural domain returned unsat :0 sat :3
Over-approximation ignoring read arcs solved 0 properties in 2315 ms.
Knowledge obtained : [(AND (NOT p3) (NOT p2)), (F (OR (G p3) (G (NOT p3)))), (F (OR (G p2) (G (NOT p2))))]
False Knowledge obtained : []
Knowledge based reduction with 3 factoid took 156 ms. Reduced automaton from 5 states, 5 edges and 2 AP (stutter sensitive) to 5 states, 5 edges and 2 AP (stutter sensitive).
Stuttering acceptance computed with spot in 255 ms :[p3, (AND p3 p2), (AND p3 p2), (AND p3 p2), (AND p3 p2)]
Stuttering acceptance computed with spot in 249 ms :[p3, (AND p3 p2), (AND p3 p2), (AND p3 p2), (AND p3 p2)]
Stuttering acceptance computed with spot in 248 ms :[p3, (AND p3 p2), (AND p3 p2), (AND p3 p2), (AND p3 p2)]
Product exploration explored 100000 steps with 25000 reset in 685 ms.
Product exploration explored 100000 steps with 25000 reset in 683 ms.
Applying partial POR strategy [true, true, false, false, false]
Stuttering acceptance computed with spot in 242 ms :[p3, (AND p3 p2), (AND p3 p2), (AND p3 p2), (AND p3 p2)]
Support contains 4 out of 312 places. Attempting structural reductions.
Starting structural reductions in SI_LTL mode, iteration 0 : 312/312 places, 256/256 transitions.
Applied a total of 0 rules in 78 ms. Remains 312 /312 variables (removed 0) and now considering 256/256 (removed 0) transitions.
Starting Z3 with timeout 200.0 s and query timeout 20000.0 ms
[2025-06-01 01:47:12] [INFO ] Redundant transitions in 2 ms returned []
Running 255 sub problems to find dead transitions.
// Phase 1: matrix 256 rows 312 cols
[2025-06-01 01:47:12] [INFO ] Computed 58 invariants in 5 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) 0/311 variables, 12/12 constraints. Problems are: Problem set: 0 solved, 255 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/311 variables, 0/12 constraints. Problems are: Problem set: 0 solved, 255 unsolved
At refinement iteration 2 (OVERLAPS) 1/312 variables, 33/45 constraints. Problems are: Problem set: 0 solved, 255 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/312 variables, 13/58 constraints. Problems are: Problem set: 0 solved, 255 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 01:47:17] [INFO ] Deduced a trap composed of 12 places in 70 ms of which 7 ms to minimize.
At refinement iteration 4 (INCLUDED_ONLY) 0/312 variables, 1/59 constraints. Problems are: Problem set: 0 solved, 255 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/312 variables, 0/59 constraints. Problems are: Problem set: 0 solved, 255 unsolved
At refinement iteration 6 (OVERLAPS) 256/568 variables, 312/371 constraints. Problems are: Problem set: 0 solved, 255 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/568 variables, 0/371 constraints. Problems are: Problem set: 0 solved, 255 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 01:47:37] [INFO ] Deduced a trap composed of 17 places in 157 ms of which 14 ms to minimize.
At refinement iteration 8 (OVERLAPS) 0/568 variables, 1/372 constraints. Problems are: Problem set: 0 solved, 255 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Real declared 568/568 variables, and 372 constraints, problems are : Problem set: 0 solved, 255 unsolved in 30016 ms.
Refiners :[Positive P Invariants (semi-flows): 33/33 constraints, Generalized P Invariants (flows): 25/25 constraints, State Equation: 312/312 constraints, PredecessorRefiner: 255/255 constraints, Known Traps: 2/2 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 255 unsolved
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/311 variables, 12/12 constraints. Problems are: Problem set: 0 solved, 255 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/311 variables, 0/12 constraints. Problems are: Problem set: 0 solved, 255 unsolved
At refinement iteration 2 (OVERLAPS) 1/312 variables, 33/45 constraints. Problems are: Problem set: 0 solved, 255 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/312 variables, 13/58 constraints. Problems are: Problem set: 0 solved, 255 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/312 variables, 2/60 constraints. Problems are: Problem set: 0 solved, 255 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 01:47:48] [INFO ] Deduced a trap composed of 12 places in 78 ms of which 12 ms to minimize.
At refinement iteration 5 (INCLUDED_ONLY) 0/312 variables, 1/61 constraints. Problems are: Problem set: 0 solved, 255 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/312 variables, 0/61 constraints. Problems are: Problem set: 0 solved, 255 unsolved
At refinement iteration 7 (OVERLAPS) 256/568 variables, 312/373 constraints. Problems are: Problem set: 0 solved, 255 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/568 variables, 255/628 constraints. Problems are: Problem set: 0 solved, 255 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 568/568 variables, and 628 constraints, problems are : Problem set: 0 solved, 255 unsolved in 30016 ms.
Refiners :[Positive P Invariants (semi-flows): 33/33 constraints, Generalized P Invariants (flows): 25/25 constraints, State Equation: 312/312 constraints, PredecessorRefiner: 255/255 constraints, Known Traps: 3/3 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 60213ms problems are : Problem set: 0 solved, 255 unsolved
Search for dead transitions found 0 dead transitions in 60215ms
Finished structural reductions in SI_LTL mode , in 1 iterations and 60307 ms. Remains : 312/312 places, 256/256 transitions.
Built C files in :
/tmp/ltsmin8343688727593533340
[2025-06-01 01:48:12] [INFO ] Built C files in 6ms conformant to PINS (ltsmin variant)in folder :/tmp/ltsmin8343688727593533340
Running compilation step : cd /tmp/ltsmin8343688727593533340;'/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 701 ms.
Running link step : cd /tmp/ltsmin8343688727593533340;'gcc' '-shared' '-o' 'gal.so' 'model.o'
Link finished in 37 ms.
Running LTSmin : cd /tmp/ltsmin8343688727593533340;'/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/stateBased15589249049896228852.hoa' '--buchi-type=spotba'
LTSmin run took 3975 ms.
FORMULA DES-PT-50a-LTLFireability-10 TRUE TECHNIQUES EXPLICIT LTSMIN SAT_SMT
Treatment of property DES-PT-50a-LTLFireability-10 finished in 356385 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||X(X((X(G(p2))&&p1))))))'
Support contains 4 out of 312 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 312/312 places, 256/256 transitions.
Applied a total of 0 rules in 7 ms. Remains 312 /312 variables (removed 0) and now considering 256/256 (removed 0) transitions.
[2025-06-01 01:48:17] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-01 01:48:17] [INFO ] Implicit Places using invariants in 600 ms returned []
[2025-06-01 01:48:17] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-01 01:48:19] [INFO ] Implicit Places using invariants and state equation in 1138 ms returned []
Implicit Place search using SMT with State Equation took 1740 ms to find 0 implicit places.
Running 255 sub problems to find dead transitions.
[2025-06-01 01:48:19] [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) 0/311 variables, 12/12 constraints. Problems are: Problem set: 0 solved, 255 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/311 variables, 0/12 constraints. Problems are: Problem set: 0 solved, 255 unsolved
At refinement iteration 2 (OVERLAPS) 1/312 variables, 33/45 constraints. Problems are: Problem set: 0 solved, 255 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/312 variables, 13/58 constraints. Problems are: Problem set: 0 solved, 255 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 01:48:24] [INFO ] Deduced a trap composed of 12 places in 70 ms of which 5 ms to minimize.
At refinement iteration 4 (INCLUDED_ONLY) 0/312 variables, 1/59 constraints. Problems are: Problem set: 0 solved, 255 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/312 variables, 0/59 constraints. Problems are: Problem set: 0 solved, 255 unsolved
At refinement iteration 6 (OVERLAPS) 256/568 variables, 312/371 constraints. Problems are: Problem set: 0 solved, 255 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/568 variables, 0/371 constraints. Problems are: Problem set: 0 solved, 255 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 01:48:42] [INFO ] Deduced a trap composed of 9 places in 105 ms of which 8 ms to minimize.
At refinement iteration 8 (OVERLAPS) 0/568 variables, 1/372 constraints. Problems are: Problem set: 0 solved, 255 unsolved
Error getting values : (error "Error writing to Z3 solver: java.io.IOException: Broken pipe")
Solver is answering 'unknown', stopping.
After SMT solving in domain Real declared 568/568 variables, and 372 constraints, problems are : Problem set: 0 solved, 255 unsolved in 30014 ms.
Refiners :[Positive P Invariants (semi-flows): 33/33 constraints, Generalized P Invariants (flows): 25/25 constraints, State Equation: 312/312 constraints, PredecessorRefiner: 255/255 constraints, Known Traps: 2/2 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 255 unsolved
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/311 variables, 12/12 constraints. Problems are: Problem set: 0 solved, 255 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/311 variables, 0/12 constraints. Problems are: Problem set: 0 solved, 255 unsolved
At refinement iteration 2 (OVERLAPS) 1/312 variables, 33/45 constraints. Problems are: Problem set: 0 solved, 255 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/312 variables, 13/58 constraints. Problems are: Problem set: 0 solved, 255 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/312 variables, 2/60 constraints. Problems are: Problem set: 0 solved, 255 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 01:48:54] [INFO ] Deduced a trap composed of 10 places in 61 ms of which 5 ms to minimize.
At refinement iteration 5 (INCLUDED_ONLY) 0/312 variables, 1/61 constraints. Problems are: Problem set: 0 solved, 255 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/312 variables, 0/61 constraints. Problems are: Problem set: 0 solved, 255 unsolved
At refinement iteration 7 (OVERLAPS) 256/568 variables, 312/373 constraints. Problems are: Problem set: 0 solved, 255 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/568 variables, 255/628 constraints. Problems are: Problem set: 0 solved, 255 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 568/568 variables, and 628 constraints, problems are : Problem set: 0 solved, 255 unsolved in 30025 ms.
Refiners :[Positive P Invariants (semi-flows): 33/33 constraints, Generalized P Invariants (flows): 25/25 constraints, State Equation: 312/312 constraints, PredecessorRefiner: 255/255 constraints, Known Traps: 3/3 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 60123ms problems are : Problem set: 0 solved, 255 unsolved
Search for dead transitions found 0 dead transitions in 60124ms
Finished structural reductions in LTL mode , in 1 iterations and 61872 ms. Remains : 312/312 places, 256/256 transitions.
Stuttering acceptance computed with spot in 235 ms :[(OR (AND (NOT p0) (NOT p1)) (AND (NOT p0) (NOT p2))), (OR (NOT p2) (NOT p1)), (OR (NOT p1) (NOT p2)), true, (NOT p2)]
Running random walk in product with property : DES-PT-50a-LTLFireability-12
Entered a terminal (fully accepting) state of product in 3 steps with 0 reset in 0 ms.
FORMULA DES-PT-50a-LTLFireability-12 FALSE TECHNIQUES STUTTER_TEST
Treatment of property DES-PT-50a-LTLFireability-12 finished in 62129 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)||X(G(p1))))'
Support contains 7 out of 312 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 312/312 places, 256/256 transitions.
Applied a total of 0 rules in 11 ms. Remains 312 /312 variables (removed 0) and now considering 256/256 (removed 0) transitions.
[2025-06-01 01:49:19] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-01 01:49:19] [INFO ] Implicit Places using invariants in 535 ms returned []
[2025-06-01 01:49:19] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-01 01:49:21] [INFO ] Implicit Places using invariants and state equation in 1385 ms returned []
Implicit Place search using SMT with State Equation took 1922 ms to find 0 implicit places.
Running 255 sub problems to find dead transitions.
[2025-06-01 01:49:21] [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) 0/311 variables, 12/12 constraints. Problems are: Problem set: 0 solved, 255 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/311 variables, 0/12 constraints. Problems are: Problem set: 0 solved, 255 unsolved
At refinement iteration 2 (OVERLAPS) 1/312 variables, 33/45 constraints. Problems are: Problem set: 0 solved, 255 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/312 variables, 13/58 constraints. Problems are: Problem set: 0 solved, 255 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 01:49:27] [INFO ] Deduced a trap composed of 12 places in 66 ms of which 8 ms to minimize.
At refinement iteration 4 (INCLUDED_ONLY) 0/312 variables, 1/59 constraints. Problems are: Problem set: 0 solved, 255 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/312 variables, 0/59 constraints. Problems are: Problem set: 0 solved, 255 unsolved
At refinement iteration 6 (OVERLAPS) 256/568 variables, 312/371 constraints. Problems are: Problem set: 0 solved, 255 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/568 variables, 0/371 constraints. Problems are: Problem set: 0 solved, 255 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 01:49:46] [INFO ] Deduced a trap composed of 9 places in 150 ms of which 10 ms to minimize.
At refinement iteration 8 (OVERLAPS) 0/568 variables, 1/372 constraints. Problems are: Problem set: 0 solved, 255 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Real declared 568/568 variables, and 372 constraints, problems are : Problem set: 0 solved, 255 unsolved in 30016 ms.
Refiners :[Positive P Invariants (semi-flows): 33/33 constraints, Generalized P Invariants (flows): 25/25 constraints, State Equation: 312/312 constraints, PredecessorRefiner: 255/255 constraints, Known Traps: 2/2 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 255 unsolved
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/311 variables, 12/12 constraints. Problems are: Problem set: 0 solved, 255 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/311 variables, 0/12 constraints. Problems are: Problem set: 0 solved, 255 unsolved
At refinement iteration 2 (OVERLAPS) 1/312 variables, 33/45 constraints. Problems are: Problem set: 0 solved, 255 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/312 variables, 13/58 constraints. Problems are: Problem set: 0 solved, 255 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/312 variables, 2/60 constraints. Problems are: Problem set: 0 solved, 255 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 01:49:57] [INFO ] Deduced a trap composed of 10 places in 68 ms of which 6 ms to minimize.
At refinement iteration 5 (INCLUDED_ONLY) 0/312 variables, 1/61 constraints. Problems are: Problem set: 0 solved, 255 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/312 variables, 0/61 constraints. Problems are: Problem set: 0 solved, 255 unsolved
At refinement iteration 7 (OVERLAPS) 256/568 variables, 312/373 constraints. Problems are: Problem set: 0 solved, 255 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/568 variables, 255/628 constraints. Problems are: Problem set: 0 solved, 255 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 568/568 variables, and 628 constraints, problems are : Problem set: 0 solved, 255 unsolved in 30016 ms.
Refiners :[Positive P Invariants (semi-flows): 33/33 constraints, Generalized P Invariants (flows): 25/25 constraints, State Equation: 312/312 constraints, PredecessorRefiner: 255/255 constraints, Known Traps: 3/3 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 60140ms problems are : Problem set: 0 solved, 255 unsolved
Search for dead transitions found 0 dead transitions in 60141ms
Finished structural reductions in LTL mode , in 1 iterations and 62075 ms. Remains : 312/312 places, 256/256 transitions.
Stuttering acceptance computed with spot in 155 ms :[true, (AND (NOT p0) (NOT p1)), (NOT p1), (AND (NOT p1) (NOT p0)), (NOT p0)]
Running random walk in product with property : DES-PT-50a-LTLFireability-13
Product exploration explored 100000 steps with 2233 reset in 416 ms.
Product exploration explored 100000 steps with 2235 reset in 327 ms.
Computed a total of 215 stabilizing places and 210 stable transitions
Computed a total of 215 stabilizing places and 210 stable transitions
Knowledge obtained : [(AND (NOT p0) p1), (X (AND (NOT p0) p1)), (X p1), (X (NOT (AND p0 p1))), (X (NOT (AND (NOT p0) (NOT p1)))), (X (NOT p0)), (X (NOT (AND p0 (NOT p1)))), (X (X (AND (NOT p0) p1))), (X (X p1)), (X (X (NOT (AND p0 p1)))), (X (X (NOT (AND (NOT p0) (NOT p1))))), (X (X (NOT p0))), (X (X (NOT (AND p0 (NOT p1)))))]
False Knowledge obtained : []
Knowledge sufficient to adopt a stutter insensitive property.
Knowledge based reduction with 13 factoid took 127 ms. Reduced automaton from 5 states, 11 edges and 2 AP (stutter sensitive) to 2 states, 3 edges and 1 AP (stutter insensitive).
Stuttering acceptance computed with spot in 42 ms :[true, (NOT p1)]
RANDOM walk for 40000 steps (884 resets) in 113 ms. (350 steps per ms) remains 1/1 properties
BEST_FIRST walk for 40004 steps (200 resets) in 65 ms. (606 steps per ms) remains 1/1 properties
Interrupted probabilistic random walk after 1009305 steps, run timeout after 3001 ms. (steps per millisecond=336 ) properties seen :0 out of 1
Probabilistic random walk after 1009305 steps, saw 144247 distinct states, run finished after 3001 ms. (steps per millisecond=336 ) properties seen :0
[2025-06-01 01:50:25] [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) 0/4 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 1 (OVERLAPS) 9/13 variables, 4/4 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/13 variables, 0/4 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (OVERLAPS) 66/79 variables, 29/33 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) 174/253 variables, 23/56 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/253 variables, 0/56 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (OVERLAPS) 6/259 variables, 2/58 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/259 variables, 0/58 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (OVERLAPS) 255/514 variables, 259/317 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/514 variables, 0/317 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 11 (OVERLAPS) 54/568 variables, 53/370 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 12 (INCLUDED_ONLY) 0/568 variables, 0/370 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 13 (OVERLAPS) 0/568 variables, 0/370 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Real declared 568/568 variables, and 370 constraints, problems are : Problem set: 0 solved, 1 unsolved in 319 ms.
Refiners :[Positive P Invariants (semi-flows): 33/33 constraints, Generalized P Invariants (flows): 25/25 constraints, State Equation: 312/312 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) 0/4 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 1 (OVERLAPS) 9/13 variables, 4/4 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/13 variables, 0/4 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (OVERLAPS) 66/79 variables, 29/33 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) 174/253 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
[2025-06-01 01:50:26] [INFO ] Deduced a trap composed of 9 places in 109 ms of which 7 ms to minimize.
At refinement iteration 6 (INCLUDED_ONLY) 0/253 variables, 1/57 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/253 variables, 0/57 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (OVERLAPS) 6/259 variables, 2/59 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/259 variables, 0/59 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (OVERLAPS) 255/514 variables, 259/318 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/514 variables, 0/318 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 12 (OVERLAPS) 54/568 variables, 53/371 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 13 (INCLUDED_ONLY) 0/568 variables, 1/372 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 14 (INCLUDED_ONLY) 0/568 variables, 0/372 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 15 (OVERLAPS) 0/568 variables, 0/372 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Int declared 568/568 variables, and 372 constraints, problems are : Problem set: 0 solved, 1 unsolved in 1103 ms.
Refiners :[Positive P Invariants (semi-flows): 33/33 constraints, Generalized P Invariants (flows): 25/25 constraints, State Equation: 312/312 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 1/1 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 1430ms problems are : Problem set: 0 solved, 1 unsolved
Parikh walk visited 0 properties in 358 ms.
Support contains 4 out of 312 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 312/312 places, 256/256 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 312 transition count 254
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 312 transition count 254
Applied a total of 8 rules in 27 ms. Remains 312 /312 variables (removed 0) and now considering 254/256 (removed 2) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 27 ms. Remains : 312/312 places, 254/256 transitions.
RANDOM walk for 40000 steps (528 resets) in 159 ms. (250 steps per ms) remains 1/1 properties
BEST_FIRST walk for 40004 steps (104 resets) in 81 ms. (487 steps per ms) remains 1/1 properties
Interrupted probabilistic random walk after 1066405 steps, run timeout after 3001 ms. (steps per millisecond=355 ) properties seen :0 out of 1
Probabilistic random walk after 1066405 steps, saw 149953 distinct states, run finished after 3001 ms. (steps per millisecond=355 ) properties seen :0
// Phase 1: matrix 254 rows 312 cols
[2025-06-01 01:50:30] [INFO ] Computed 60 invariants in 6 ms
[2025-06-01 01:50:30] [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) 0/4 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 1 (OVERLAPS) 9/13 variables, 4/4 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/13 variables, 0/4 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (OVERLAPS) 72/85 variables, 31/35 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/85 variables, 0/35 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (OVERLAPS) 177/262 variables, 25/60 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/262 variables, 0/60 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (OVERLAPS) 254/516 variables, 262/322 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/516 variables, 3/325 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/516 variables, 0/325 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (OVERLAPS) 50/566 variables, 50/375 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/566 variables, 0/375 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 12 (OVERLAPS) 0/566 variables, 0/375 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Real declared 566/566 variables, and 375 constraints, problems are : Problem set: 0 solved, 1 unsolved in 327 ms.
Refiners :[Positive P Invariants (semi-flows): 35/35 constraints, Generalized P Invariants (flows): 25/25 constraints, State Equation: 312/312 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) 0/4 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 1 (OVERLAPS) 9/13 variables, 4/4 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/13 variables, 0/4 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (OVERLAPS) 72/85 variables, 31/35 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/85 variables, 0/35 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (OVERLAPS) 177/262 variables, 25/60 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/262 variables, 0/60 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (OVERLAPS) 254/516 variables, 262/322 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/516 variables, 3/325 constraints. Problems are: Problem set: 0 solved, 1 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 01:50:31] [INFO ] Deduced a trap composed of 6 places in 33 ms of which 3 ms to minimize.
At refinement iteration 9 (INCLUDED_ONLY) 0/516 variables, 1/326 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/516 variables, 0/326 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 11 (OVERLAPS) 50/566 variables, 50/376 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 12 (INCLUDED_ONLY) 0/566 variables, 1/377 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 13 (INCLUDED_ONLY) 0/566 variables, 0/377 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 14 (OVERLAPS) 0/566 variables, 0/377 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Int declared 566/566 variables, and 377 constraints, problems are : Problem set: 0 solved, 1 unsolved in 1947 ms.
Refiners :[Positive P Invariants (semi-flows): 35/35 constraints, Generalized P Invariants (flows): 25/25 constraints, State Equation: 312/312 constraints, ReadFeed: 3/3 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 1/1 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 2287ms problems are : Problem set: 0 solved, 1 unsolved
Finished Parikh walk after 2568 steps, including 5 resets, run visited all 1 properties in 12 ms. (steps per millisecond=214 )
Parikh walk visited 1 properties in 11 ms.
Knowledge obtained : [(AND (NOT p0) p1), (X (AND (NOT p0) p1)), (X p1), (X (NOT (AND p0 p1))), (X (NOT (AND (NOT p0) (NOT p1)))), (X (NOT p0)), (X (NOT (AND p0 (NOT p1)))), (X (X (AND (NOT p0) p1))), (X (X p1)), (X (X (NOT (AND p0 p1)))), (X (X (NOT (AND (NOT p0) (NOT p1))))), (X (X (NOT p0))), (X (X (NOT (AND p0 (NOT p1)))))]
False Knowledge obtained : [(F (NOT p1))]
Property proved to be false thanks to negative knowledge :(F (NOT p1))
Knowledge based reduction with 13 factoid took 205 ms. Reduced automaton from 2 states, 3 edges and 1 AP (stutter insensitive) to 1 states, 1 edges and 0 AP (stutter insensitive).
FORMULA DES-PT-50a-LTLFireability-13 FALSE TECHNIQUES KNOWLEDGE
Treatment of property DES-PT-50a-LTLFireability-13 finished in 73627 ms.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202505121319/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!(X(X(F(p0))))'
Support contains 3 out of 312 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 312/312 places, 256/256 transitions.
Applied a total of 0 rules in 9 ms. Remains 312 /312 variables (removed 0) and now considering 256/256 (removed 0) transitions.
// Phase 1: matrix 256 rows 312 cols
[2025-06-01 01:50:33] [INFO ] Computed 58 invariants in 3 ms
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-01 01:50:33] [INFO ] Implicit Places using invariants in 422 ms returned []
[2025-06-01 01:50:33] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-01 01:50:34] [INFO ] Implicit Places using invariants and state equation in 1101 ms returned []
Implicit Place search using SMT with State Equation took 1525 ms to find 0 implicit places.
Running 255 sub problems to find dead transitions.
[2025-06-01 01:50:34] [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) 0/311 variables, 12/12 constraints. Problems are: Problem set: 0 solved, 255 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/311 variables, 0/12 constraints. Problems are: Problem set: 0 solved, 255 unsolved
At refinement iteration 2 (OVERLAPS) 1/312 variables, 33/45 constraints. Problems are: Problem set: 0 solved, 255 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/312 variables, 13/58 constraints. Problems are: Problem set: 0 solved, 255 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 01:50:40] [INFO ] Deduced a trap composed of 12 places in 70 ms of which 8 ms to minimize.
At refinement iteration 4 (INCLUDED_ONLY) 0/312 variables, 1/59 constraints. Problems are: Problem set: 0 solved, 255 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/312 variables, 0/59 constraints. Problems are: Problem set: 0 solved, 255 unsolved
At refinement iteration 6 (OVERLAPS) 256/568 variables, 312/371 constraints. Problems are: Problem set: 0 solved, 255 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/568 variables, 0/371 constraints. Problems are: Problem set: 0 solved, 255 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 01:50:58] [INFO ] Deduced a trap composed of 9 places in 152 ms of which 10 ms to minimize.
At refinement iteration 8 (OVERLAPS) 0/568 variables, 1/372 constraints. Problems are: Problem set: 0 solved, 255 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Real declared 568/568 variables, and 372 constraints, problems are : Problem set: 0 solved, 255 unsolved in 30020 ms.
Refiners :[Positive P Invariants (semi-flows): 33/33 constraints, Generalized P Invariants (flows): 25/25 constraints, State Equation: 312/312 constraints, PredecessorRefiner: 255/255 constraints, Known Traps: 2/2 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 255 unsolved
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/311 variables, 12/12 constraints. Problems are: Problem set: 0 solved, 255 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/311 variables, 0/12 constraints. Problems are: Problem set: 0 solved, 255 unsolved
At refinement iteration 2 (OVERLAPS) 1/312 variables, 33/45 constraints. Problems are: Problem set: 0 solved, 255 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/312 variables, 13/58 constraints. Problems are: Problem set: 0 solved, 255 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/312 variables, 2/60 constraints. Problems are: Problem set: 0 solved, 255 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 01:51:10] [INFO ] Deduced a trap composed of 10 places in 75 ms of which 6 ms to minimize.
At refinement iteration 5 (INCLUDED_ONLY) 0/312 variables, 1/61 constraints. Problems are: Problem set: 0 solved, 255 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/312 variables, 0/61 constraints. Problems are: Problem set: 0 solved, 255 unsolved
At refinement iteration 7 (OVERLAPS) 256/568 variables, 312/373 constraints. Problems are: Problem set: 0 solved, 255 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/568 variables, 255/628 constraints. Problems are: Problem set: 0 solved, 255 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 568/568 variables, and 628 constraints, problems are : Problem set: 0 solved, 255 unsolved in 30018 ms.
Refiners :[Positive P Invariants (semi-flows): 33/33 constraints, Generalized P Invariants (flows): 25/25 constraints, State Equation: 312/312 constraints, PredecessorRefiner: 255/255 constraints, Known Traps: 3/3 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 60172ms problems are : Problem set: 0 solved, 255 unsolved
Search for dead transitions found 0 dead transitions in 60174ms
Finished structural reductions in LTL mode , in 1 iterations and 61709 ms. Remains : 312/312 places, 256/256 transitions.
Stuttering acceptance computed with spot in 116 ms :[(NOT p0), (NOT p0), (NOT p0)]
Running random walk in product with property : DES-PT-50a-LTLFireability-14
Stuttering criterion allowed to conclude after 44 steps with 0 reset in 1 ms.
FORMULA DES-PT-50a-LTLFireability-14 FALSE TECHNIQUES STUTTER_TEST
Treatment of property DES-PT-50a-LTLFireability-14 finished in 61844 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(p1)||p0) U (!p1 U (p2 U !p3)))))'
Support contains 9 out of 312 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 312/312 places, 256/256 transitions.
Applied a total of 0 rules in 4 ms. Remains 312 /312 variables (removed 0) and now considering 256/256 (removed 0) transitions.
[2025-06-01 01:51:34] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-01 01:51:35] [INFO ] Implicit Places using invariants in 379 ms returned []
[2025-06-01 01:51:35] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-01 01:51:36] [INFO ] Implicit Places using invariants and state equation in 1060 ms returned []
Implicit Place search using SMT with State Equation took 1442 ms to find 0 implicit places.
Running 255 sub problems to find dead transitions.
[2025-06-01 01:51:36] [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) 0/311 variables, 12/12 constraints. Problems are: Problem set: 0 solved, 255 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/311 variables, 0/12 constraints. Problems are: Problem set: 0 solved, 255 unsolved
At refinement iteration 2 (OVERLAPS) 1/312 variables, 33/45 constraints. Problems are: Problem set: 0 solved, 255 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/312 variables, 13/58 constraints. Problems are: Problem set: 0 solved, 255 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 01:51:42] [INFO ] Deduced a trap composed of 12 places in 76 ms of which 8 ms to minimize.
At refinement iteration 4 (INCLUDED_ONLY) 0/312 variables, 1/59 constraints. Problems are: Problem set: 0 solved, 255 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/312 variables, 0/59 constraints. Problems are: Problem set: 0 solved, 255 unsolved
At refinement iteration 6 (OVERLAPS) 256/568 variables, 312/371 constraints. Problems are: Problem set: 0 solved, 255 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/568 variables, 0/371 constraints. Problems are: Problem set: 0 solved, 255 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 01:52:00] [INFO ] Deduced a trap composed of 9 places in 166 ms of which 9 ms to minimize.
At refinement iteration 8 (OVERLAPS) 0/568 variables, 1/372 constraints. Problems are: Problem set: 0 solved, 255 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Real declared 568/568 variables, and 372 constraints, problems are : Problem set: 0 solved, 255 unsolved in 30016 ms.
Refiners :[Positive P Invariants (semi-flows): 33/33 constraints, Generalized P Invariants (flows): 25/25 constraints, State Equation: 312/312 constraints, PredecessorRefiner: 255/255 constraints, Known Traps: 2/2 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 255 unsolved
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/311 variables, 12/12 constraints. Problems are: Problem set: 0 solved, 255 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/311 variables, 0/12 constraints. Problems are: Problem set: 0 solved, 255 unsolved
At refinement iteration 2 (OVERLAPS) 1/312 variables, 33/45 constraints. Problems are: Problem set: 0 solved, 255 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/312 variables, 13/58 constraints. Problems are: Problem set: 0 solved, 255 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/312 variables, 2/60 constraints. Problems are: Problem set: 0 solved, 255 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 01:52:11] [INFO ] Deduced a trap composed of 10 places in 46 ms of which 4 ms to minimize.
At refinement iteration 5 (INCLUDED_ONLY) 0/312 variables, 1/61 constraints. Problems are: Problem set: 0 solved, 255 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/312 variables, 0/61 constraints. Problems are: Problem set: 0 solved, 255 unsolved
At refinement iteration 7 (OVERLAPS) 256/568 variables, 312/373 constraints. Problems are: Problem set: 0 solved, 255 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/568 variables, 255/628 constraints. Problems are: Problem set: 0 solved, 255 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 568/568 variables, and 628 constraints, problems are : Problem set: 0 solved, 255 unsolved in 30018 ms.
Refiners :[Positive P Invariants (semi-flows): 33/33 constraints, Generalized P Invariants (flows): 25/25 constraints, State Equation: 312/312 constraints, PredecessorRefiner: 255/255 constraints, Known Traps: 3/3 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 60181ms problems are : Problem set: 0 solved, 255 unsolved
Search for dead transitions found 0 dead transitions in 60183ms
Finished structural reductions in LTL mode , in 1 iterations and 61632 ms. Remains : 312/312 places, 256/256 transitions.
Stuttering acceptance computed with spot in 269 ms :[p3, p3, (NOT p1), p3, (AND (NOT p1) p3), true, p3]
Running random walk in product with property : DES-PT-50a-LTLFireability-15
Product exploration explored 100000 steps with 50000 reset in 627 ms.
Product exploration explored 100000 steps with 50000 reset in 610 ms.
Computed a total of 215 stabilizing places and 210 stable transitions
Computed a total of 215 stabilizing places and 210 stable transitions
Detected a total of 215/312 stabilizing places and 210/256 transitions leading to convergence knowledge of the form 'F(Gp|G!p)' for 2/4 atomic propositions.
Knowledge obtained : [(AND (NOT p3) (NOT p1) (NOT p0) (NOT p2)), (X (NOT p2)), (X (NOT p3)), (X (NOT (OR (AND p3 p1) (AND p3 p0)))), (X (NOT (AND p3 (NOT p1) (NOT p0)))), (X (NOT (AND p3 p2 p1 (NOT p0)))), (X (NOT (AND p3 (NOT p2) p1 (NOT p0)))), (X (NOT p0)), (X (NOT p1)), (X (X (NOT p2))), (X (X (NOT p3))), (X (X (NOT (OR (AND p3 p1) (AND p3 p0))))), (X (X (NOT (AND p3 (NOT p1))))), (X (X (NOT (AND p3 (NOT p1) (NOT p0))))), (X (X (NOT (AND p3 p2 p1)))), (X (X (NOT (AND p3 (NOT p2) p1 p0)))), (X (X (NOT (AND p3 (NOT p2) p1)))), (X (X (NOT (AND p3 (NOT p2) (NOT p1))))), (X (X (NOT (AND p3 p2 p1 (NOT p0))))), (X (X (NOT (AND p3 p2 p1 p0)))), (X (X (NOT (AND p3 p2 (NOT p1))))), (X (X (NOT (AND p3 (NOT p2) p1 (NOT p0))))), (X (X (NOT p0))), (X (X (NOT p1))), (F (OR (G p3) (G (NOT p3)))), (F (OR (G p2) (G (NOT p2))))]
False Knowledge obtained : []
Property proved to be true thanks to knowledge (Minato strategy)
Knowledge based reduction with 26 factoid took 21 ms. Reduced automaton from 7 states, 17 edges and 4 AP (stutter sensitive) to 1 states, 0 edges and 0 AP (stutter insensitive).
FORMULA DES-PT-50a-LTLFireability-15 TRUE TECHNIQUES KNOWLEDGE
Treatment of property DES-PT-50a-LTLFireability-15 finished in 63193 ms.
All properties solved by simple procedures.
Total runtime 1641595 ms.
BK_STOP 1748742758145
--------------------
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-50a"
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-50a, 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-174854064000348"
echo "====================================================================="
echo
echo "--------------------"
echo "preparation of the directory to be used:"
tar xzf /home/mcc/BenchKit/INPUTS/DES-PT-50a.tgz
mv DES-PT-50a 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 ;