About the Execution of ITS-Tools for FireWire-PT-10
| Execution Summary | |||||
| Max Memory Used (MB) |
Time wait (ms) | CPU Usage (ms) | I/O Wait (ms) | Computed Result | Execution Status |
| 0.000 | 332013.00 | 0.00 | 0.00 | TFFFFFFFTTFFFFTF | normal |
Execution Chart
Sorry, for this execution, no execution chart could be reported.
Trace from the execution
Formatting '/data/fkordon/mcc2025-input.r086-smll-174860102300316.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 FireWire-PT-10, examination is LTLFireability
Time confinement is 3600 seconds
Memory confinement is 16384 MBytes
Number of cores is 4
Run identifier is r086-smll-174860102300316
=====================================================================
--------------------
preparation of the directory to be used:
/home/mcc/execution
total 496K
-rw-r--r-- 1 mcc users 8.2K May 29 14:47 CTLCardinality.txt
-rw-r--r-- 1 mcc users 95K May 29 14:47 CTLCardinality.xml
-rw-r--r-- 1 mcc users 6.1K May 29 14:47 CTLFireability.txt
-rw-r--r-- 1 mcc users 61K May 29 14:47 CTLFireability.xml
-rw-r--r-- 1 mcc users 3.2K May 29 14:47 LTLCardinality.txt
-rw-r--r-- 1 mcc users 23K May 29 14:47 LTLCardinality.xml
-rw-r--r-- 1 mcc users 2.2K 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 8.1K May 29 14:47 ReachabilityCardinality.txt
-rw-r--r-- 1 mcc users 84K May 29 14:47 ReachabilityCardinality.xml
-rw-r--r-- 1 mcc users 5.1K May 29 14:47 ReachabilityFireability.txt
-rw-r--r-- 1 mcc users 36K May 29 14:47 ReachabilityFireability.xml
-rw-r--r-- 1 mcc users 1.6K May 29 14:47 UpperBounds.txt
-rw-r--r-- 1 mcc users 3.6K 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 3 May 29 14:32 instance
-rw-r--r-- 1 mcc users 6 May 29 14:32 iscolored
-rw-r--r-- 1 mcc users 101K May 29 14:32 model.pnml
--------------------
content from stdout:
=== Data for post analysis generated by BenchKit (invocation template)
The expected result is a vector of booleans
BOOL_VECTOR
echo here is the order used to build the result vector(from xml file)
FORMULA_NAME FireWire-PT-10-LTLFireability-00
FORMULA_NAME FireWire-PT-10-LTLFireability-01
FORMULA_NAME FireWire-PT-10-LTLFireability-02
FORMULA_NAME FireWire-PT-10-LTLFireability-03
FORMULA_NAME FireWire-PT-10-LTLFireability-04
FORMULA_NAME FireWire-PT-10-LTLFireability-05
FORMULA_NAME FireWire-PT-10-LTLFireability-06
FORMULA_NAME FireWire-PT-10-LTLFireability-07
FORMULA_NAME FireWire-PT-10-LTLFireability-08
FORMULA_NAME FireWire-PT-10-LTLFireability-09
FORMULA_NAME FireWire-PT-10-LTLFireability-10
FORMULA_NAME FireWire-PT-10-LTLFireability-11
FORMULA_NAME FireWire-PT-10-LTLFireability-12
FORMULA_NAME FireWire-PT-10-LTLFireability-13
FORMULA_NAME FireWire-PT-10-LTLFireability-14
FORMULA_NAME FireWire-PT-10-LTLFireability-15
=== Now, execution of the tool begins
BK_START 1748860562193
Invoking MCC driver with
BK_TOOL=itstools
BK_EXAMINATION=LTLFireability
BK_BIN_PATH=/home/mcc/BenchKit/bin/
BK_TIME_CONFINEMENT=3600
BK_INPUT=FireWire-PT-10
BK_MEMORY_CONFINEMENT=16384
Not applying reductions.
Model is PT
LTLFireability PT
Running Version 202505121319
[2025-06-02 10:36:04] [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]
[2025-06-02 10:36:04] [INFO ] Parsing pnml file : /home/mcc/execution/model.pnml
[2025-06-02 10:36:04] [INFO ] Load time of PNML (sax parser for PT used): 132 ms
[2025-06-02 10:36:04] [INFO ] Transformed 131 places.
[2025-06-02 10:36:04] [INFO ] Transformed 409 transitions.
[2025-06-02 10:36:04] [INFO ] Found NUPN structural information;
[2025-06-02 10:36:04] [INFO ] Parsed PT model containing 131 places and 409 transitions and 1529 arcs in 285 ms.
Parsed 16 properties from file /home/mcc/execution/LTLFireability.xml in 15 ms.
Working with output stream class java.io.PrintStream
Initial state reduction rules removed 3 formulas.
Ensure Unique test removed 56 transitions
Reduce redundant transitions removed 56 transitions.
FORMULA FireWire-PT-10-LTLFireability-04 FALSE TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA FireWire-PT-10-LTLFireability-08 TRUE TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA FireWire-PT-10-LTLFireability-13 FALSE TECHNIQUES TOPOLOGICAL INITIAL_STATE
Support contains 40 out of 131 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 131/131 places, 353/353 transitions.
Discarding 3 places :
Symmetric choice reduction at 0 with 3 rule applications. Total rules 3 place count 128 transition count 347
Iterating global reduction 0 with 3 rules applied. Total rules applied 6 place count 128 transition count 347
Ensure Unique test removed 3 transitions
Reduce isomorphic transitions removed 3 transitions.
Iterating post reduction 0 with 3 rules applied. Total rules applied 9 place count 128 transition count 344
Drop transitions (Redundant composition of simpler transitions.) removed 6 transitions
Redundant transition composition rules discarded 6 transitions
Iterating global reduction 1 with 6 rules applied. Total rules applied 15 place count 128 transition count 338
Applied a total of 15 rules in 75 ms. Remains 128 /131 variables (removed 3) and now considering 338/353 (removed 15) transitions.
[2025-06-02 10:36:05] [INFO ] Flow matrix only has 312 transitions (discarded 26 similar events)
// Phase 1: matrix 312 rows 128 cols
[2025-06-02 10:36:05] [INFO ] Computed 8 invariants in 24 ms
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-02 10:36:05] [INFO ] Implicit Places using invariants in 444 ms returned []
[2025-06-02 10:36:05] [INFO ] Flow matrix only has 312 transitions (discarded 26 similar events)
[2025-06-02 10:36:05] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-02 10:36:06] [INFO ] State equation strengthened by 45 read => feed constraints.
[2025-06-02 10:36:06] [INFO ] Implicit Places using invariants and state equation in 553 ms returned [13]
Discarding 1 places :
Implicit Place search using SMT with State Equation took 1053 ms to find 1 implicit places.
Starting structural reductions in LTL mode, iteration 1 : 127/131 places, 338/353 transitions.
Applied a total of 0 rules in 11 ms. Remains 127 /127 variables (removed 0) and now considering 338/338 (removed 0) transitions.
Finished structural reductions in LTL mode , in 2 iterations and 1189 ms. Remains : 127/131 places, 338/353 transitions.
Support contains 40 out of 127 places after structural reductions.
[2025-06-02 10:36:07] [INFO ] Flatten gal took : 89 ms
[2025-06-02 10:36:07] [INFO ] Flatten gal took : 51 ms
[2025-06-02 10:36:07] [INFO ] Input system was already deterministic with 338 transitions.
Reduction of identical properties reduced properties to check from 34 to 33
RANDOM walk for 40000 steps (2169 resets) in 2851 ms. (14 steps per ms) remains 19/33 properties
BEST_FIRST walk for 4001 steps (111 resets) in 40 ms. (97 steps per ms) remains 19/19 properties
BEST_FIRST walk for 4004 steps (46 resets) in 27 ms. (143 steps per ms) remains 19/19 properties
BEST_FIRST walk for 4003 steps (97 resets) in 31 ms. (125 steps per ms) remains 19/19 properties
BEST_FIRST walk for 4002 steps (43 resets) in 58 ms. (67 steps per ms) remains 19/19 properties
BEST_FIRST walk for 4002 steps (55 resets) in 39 ms. (100 steps per ms) remains 19/19 properties
BEST_FIRST walk for 4004 steps (13 resets) in 30 ms. (129 steps per ms) remains 19/19 properties
BEST_FIRST walk for 4004 steps (13 resets) in 25 ms. (154 steps per ms) remains 19/19 properties
BEST_FIRST walk for 4004 steps (58 resets) in 63 ms. (62 steps per ms) remains 19/19 properties
BEST_FIRST walk for 4004 steps (41 resets) in 29 ms. (133 steps per ms) remains 19/19 properties
BEST_FIRST walk for 4004 steps (8 resets) in 35 ms. (111 steps per ms) remains 19/19 properties
BEST_FIRST walk for 4003 steps (67 resets) in 31 ms. (125 steps per ms) remains 19/19 properties
BEST_FIRST walk for 4004 steps (8 resets) in 41 ms. (95 steps per ms) remains 19/19 properties
BEST_FIRST walk for 4004 steps (56 resets) in 29 ms. (133 steps per ms) remains 19/19 properties
BEST_FIRST walk for 4003 steps (13 resets) in 27 ms. (142 steps per ms) remains 19/19 properties
BEST_FIRST walk for 4004 steps (69 resets) in 27 ms. (143 steps per ms) remains 19/19 properties
BEST_FIRST walk for 4004 steps (58 resets) in 34 ms. (114 steps per ms) remains 19/19 properties
BEST_FIRST walk for 4004 steps (69 resets) in 17 ms. (222 steps per ms) remains 19/19 properties
BEST_FIRST walk for 4004 steps (8 resets) in 39 ms. (100 steps per ms) remains 19/19 properties
BEST_FIRST walk for 4004 steps (51 resets) in 21 ms. (182 steps per ms) remains 19/19 properties
[2025-06-02 10:36:08] [INFO ] Flow matrix only has 312 transitions (discarded 26 similar events)
// Phase 1: matrix 312 rows 127 cols
[2025-06-02 10:36:08] [INFO ] Computed 7 invariants in 5 ms
[2025-06-02 10:36:08] [INFO ] State equation strengthened by 45 read => feed constraints.
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
All remaining problems are real, not stopping.
At refinement iteration 0 (INCLUDED_ONLY) 0/27 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 19 unsolved
Problem AtomicPropp10 is UNSAT
At refinement iteration 1 (OVERLAPS) 92/119 variables, 5/5 constraints. Problems are: Problem set: 1 solved, 18 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/119 variables, 0/5 constraints. Problems are: Problem set: 1 solved, 18 unsolved
At refinement iteration 3 (OVERLAPS) 5/124 variables, 2/7 constraints. Problems are: Problem set: 1 solved, 18 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/124 variables, 0/7 constraints. Problems are: Problem set: 1 solved, 18 unsolved
At refinement iteration 5 (OVERLAPS) 311/435 variables, 124/131 constraints. Problems are: Problem set: 1 solved, 18 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/435 variables, 44/175 constraints. Problems are: Problem set: 1 solved, 18 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/435 variables, 0/175 constraints. Problems are: Problem set: 1 solved, 18 unsolved
At refinement iteration 8 (OVERLAPS) 3/438 variables, 3/178 constraints. Problems are: Problem set: 1 solved, 18 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/438 variables, 0/178 constraints. Problems are: Problem set: 1 solved, 18 unsolved
At refinement iteration 10 (OVERLAPS) 1/439 variables, 1/179 constraints. Problems are: Problem set: 1 solved, 18 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/439 variables, 0/179 constraints. Problems are: Problem set: 1 solved, 18 unsolved
At refinement iteration 12 (OVERLAPS) 0/439 variables, 0/179 constraints. Problems are: Problem set: 1 solved, 18 unsolved
No progress, stopping.
After SMT solving in domain Real declared 439/439 variables, and 179 constraints, problems are : Problem set: 1 solved, 18 unsolved in 1914 ms.
Refiners :[Positive P Invariants (semi-flows): 7/7 constraints, State Equation: 127/127 constraints, ReadFeed: 45/45 constraints, PredecessorRefiner: 19/19 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 1 solved, 18 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: 1 solved, 18 unsolved
At refinement iteration 1 (OVERLAPS) 95/119 variables, 5/5 constraints. Problems are: Problem set: 1 solved, 18 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 10:36:10] [INFO ] Deduced a trap composed of 43 places in 99 ms of which 15 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 10:36:10] [INFO ] Deduced a trap composed of 15 places in 132 ms of which 7 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 10:36:11] [INFO ] Deduced a trap composed of 22 places in 138 ms of which 8 ms to minimize.
At refinement iteration 2 (INCLUDED_ONLY) 0/119 variables, 3/8 constraints. Problems are: Problem set: 1 solved, 18 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/119 variables, 0/8 constraints. Problems are: Problem set: 1 solved, 18 unsolved
At refinement iteration 4 (OVERLAPS) 5/124 variables, 2/10 constraints. Problems are: Problem set: 1 solved, 18 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 10:36:11] [INFO ] Deduced a trap composed of 35 places in 67 ms of which 5 ms to minimize.
At refinement iteration 5 (INCLUDED_ONLY) 0/124 variables, 1/11 constraints. Problems are: Problem set: 1 solved, 18 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/124 variables, 0/11 constraints. Problems are: Problem set: 1 solved, 18 unsolved
At refinement iteration 7 (OVERLAPS) 311/435 variables, 124/135 constraints. Problems are: Problem set: 1 solved, 18 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/435 variables, 44/179 constraints. Problems are: Problem set: 1 solved, 18 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/435 variables, 14/193 constraints. Problems are: Problem set: 1 solved, 18 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 10:36:12] [INFO ] Deduced a trap composed of 17 places in 135 ms of which 17 ms to minimize.
At refinement iteration 10 (INCLUDED_ONLY) 0/435 variables, 1/194 constraints. Problems are: Problem set: 1 solved, 18 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/435 variables, 0/194 constraints. Problems are: Problem set: 1 solved, 18 unsolved
At refinement iteration 12 (OVERLAPS) 3/438 variables, 3/197 constraints. Problems are: Problem set: 1 solved, 18 unsolved
At refinement iteration 13 (INCLUDED_ONLY) 0/438 variables, 4/201 constraints. Problems are: Problem set: 1 solved, 18 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 10:36:15] [INFO ] Deduced a trap composed of 17 places in 72 ms of which 11 ms to minimize.
SMT process timed out in 7063ms, After SMT, problems are : Problem set: 1 solved, 18 unsolved
Fused 18 Parikh solutions to 14 different solutions.
Parikh walk visited 6 properties in 33046 ms.
Support contains 15 out of 127 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 127/127 places, 338/338 transitions.
Drop transitions (Empty/Sink Transition effects.) removed 3 transitions
Reduce isomorphic transitions removed 3 transitions.
Iterating post reduction 0 with 3 rules applied. Total rules applied 3 place count 127 transition count 335
Performed 1 Post agglomeration using F-continuation condition.Transition count delta: 1
Deduced a syphon composed of 1 places in 2 ms
Reduce places removed 1 places and 0 transitions.
Iterating global reduction 1 with 2 rules applied. Total rules applied 5 place count 126 transition count 334
Performed 2 Post agglomeration using F-continuation condition.Transition count delta: -4
Deduced a syphon composed of 2 places in 1 ms
Reduce places removed 2 places and 0 transitions.
Iterating global reduction 1 with 4 rules applied. Total rules applied 9 place count 124 transition count 338
Drop transitions (Empty/Sink Transition effects.) removed 4 transitions
Reduce isomorphic transitions removed 4 transitions.
Iterating post reduction 1 with 4 rules applied. Total rules applied 13 place count 124 transition count 334
Drop transitions (Redundant composition of simpler transitions.) removed 2 transitions
Redundant transition composition rules discarded 2 transitions
Iterating global reduction 2 with 2 rules applied. Total rules applied 15 place count 124 transition count 332
Free-agglomeration rule (complex) applied 1 times.
Iterating global reduction 2 with 1 rules applied. Total rules applied 16 place count 124 transition count 331
Reduce places removed 1 places and 0 transitions.
Iterating post reduction 2 with 1 rules applied. Total rules applied 17 place count 123 transition count 331
Applied a total of 17 rules in 103 ms. Remains 123 /127 variables (removed 4) and now considering 331/338 (removed 7) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 103 ms. Remains : 123/127 places, 331/338 transitions.
RANDOM walk for 40000 steps (2226 resets) in 1127 ms. (35 steps per ms) remains 12/12 properties
BEST_FIRST walk for 40003 steps (1069 resets) in 184 ms. (216 steps per ms) remains 12/12 properties
BEST_FIRST walk for 40003 steps (548 resets) in 195 ms. (204 steps per ms) remains 12/12 properties
BEST_FIRST walk for 40002 steps (1057 resets) in 194 ms. (205 steps per ms) remains 12/12 properties
BEST_FIRST walk for 40003 steps (541 resets) in 135 ms. (294 steps per ms) remains 12/12 properties
BEST_FIRST walk for 40002 steps (556 resets) in 192 ms. (207 steps per ms) remains 12/12 properties
BEST_FIRST walk for 40004 steps (509 resets) in 185 ms. (215 steps per ms) remains 12/12 properties
BEST_FIRST walk for 40004 steps (624 resets) in 155 ms. (256 steps per ms) remains 12/12 properties
BEST_FIRST walk for 40004 steps (8 resets) in 237 ms. (168 steps per ms) remains 12/12 properties
BEST_FIRST walk for 40003 steps (497 resets) in 177 ms. (224 steps per ms) remains 12/12 properties
BEST_FIRST walk for 40004 steps (492 resets) in 128 ms. (310 steps per ms) remains 12/12 properties
BEST_FIRST walk for 40003 steps (551 resets) in 176 ms. (226 steps per ms) remains 12/12 properties
BEST_FIRST walk for 40004 steps (572 resets) in 154 ms. (258 steps per ms) remains 12/12 properties
Interrupted probabilistic random walk after 403519 steps, run timeout after 3001 ms. (steps per millisecond=134 ) properties seen :5 out of 12
Probabilistic random walk after 403519 steps, saw 96806 distinct states, run finished after 3013 ms. (steps per millisecond=133 ) properties seen :5
[2025-06-02 10:36:52] [INFO ] Flow matrix only has 305 transitions (discarded 26 similar events)
// Phase 1: matrix 305 rows 123 cols
[2025-06-02 10:36:52] [INFO ] Computed 7 invariants in 5 ms
[2025-06-02 10:36:52] [INFO ] State equation strengthened by 46 read => feed constraints.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/9 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 7 unsolved
At refinement iteration 1 (OVERLAPS) 84/93 variables, 4/4 constraints. Problems are: Problem set: 0 solved, 7 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/93 variables, 0/4 constraints. Problems are: Problem set: 0 solved, 7 unsolved
At refinement iteration 3 (OVERLAPS) 26/119 variables, 3/7 constraints. Problems are: Problem set: 0 solved, 7 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/119 variables, 0/7 constraints. Problems are: Problem set: 0 solved, 7 unsolved
At refinement iteration 5 (OVERLAPS) 305/424 variables, 119/126 constraints. Problems are: Problem set: 0 solved, 7 unsolved
All remaining problems are real, not stopping.
At refinement iteration 6 (INCLUDED_ONLY) 0/424 variables, 46/172 constraints. Problems are: Problem set: 0 solved, 7 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/424 variables, 0/172 constraints. Problems are: Problem set: 0 solved, 7 unsolved
At refinement iteration 8 (OVERLAPS) 4/428 variables, 4/176 constraints. Problems are: Problem set: 0 solved, 7 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/428 variables, 0/176 constraints. Problems are: Problem set: 0 solved, 7 unsolved
At refinement iteration 10 (OVERLAPS) 0/428 variables, 0/176 constraints. Problems are: Problem set: 0 solved, 7 unsolved
No progress, stopping.
After SMT solving in domain Real declared 428/428 variables, and 176 constraints, problems are : Problem set: 0 solved, 7 unsolved in 801 ms.
Refiners :[Positive P Invariants (semi-flows): 7/7 constraints, State Equation: 123/123 constraints, ReadFeed: 46/46 constraints, PredecessorRefiner: 7/7 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 7 unsolved
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/9 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 7 unsolved
At refinement iteration 1 (OVERLAPS) 84/93 variables, 4/4 constraints. Problems are: Problem set: 0 solved, 7 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/93 variables, 0/4 constraints. Problems are: Problem set: 0 solved, 7 unsolved
At refinement iteration 3 (OVERLAPS) 26/119 variables, 3/7 constraints. Problems are: Problem set: 0 solved, 7 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 10:36:53] [INFO ] Deduced a trap composed of 35 places in 71 ms of which 6 ms to minimize.
At refinement iteration 4 (INCLUDED_ONLY) 0/119 variables, 1/8 constraints. Problems are: Problem set: 0 solved, 7 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/119 variables, 0/8 constraints. Problems are: Problem set: 0 solved, 7 unsolved
At refinement iteration 6 (OVERLAPS) 305/424 variables, 119/127 constraints. Problems are: Problem set: 0 solved, 7 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/424 variables, 46/173 constraints. Problems are: Problem set: 0 solved, 7 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/424 variables, 6/179 constraints. Problems are: Problem set: 0 solved, 7 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/424 variables, 0/179 constraints. Problems are: Problem set: 0 solved, 7 unsolved
At refinement iteration 10 (OVERLAPS) 4/428 variables, 4/183 constraints. Problems are: Problem set: 0 solved, 7 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/428 variables, 1/184 constraints. Problems are: Problem set: 0 solved, 7 unsolved
At refinement iteration 12 (INCLUDED_ONLY) 0/428 variables, 0/184 constraints. Problems are: Problem set: 0 solved, 7 unsolved
At refinement iteration 13 (OVERLAPS) 0/428 variables, 0/184 constraints. Problems are: Problem set: 0 solved, 7 unsolved
No progress, stopping.
After SMT solving in domain Int declared 428/428 variables, and 184 constraints, problems are : Problem set: 0 solved, 7 unsolved in 2020 ms.
Refiners :[Positive P Invariants (semi-flows): 7/7 constraints, State Equation: 123/123 constraints, ReadFeed: 46/46 constraints, PredecessorRefiner: 7/7 constraints, Known Traps: 1/1 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 2847ms problems are : Problem set: 0 solved, 7 unsolved
Fused 7 Parikh solutions to 5 different solutions.
Parikh walk visited 0 properties in 3394 ms.
Support contains 9 out of 123 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 123/123 places, 331/331 transitions.
Performed 1 Post agglomeration using F-continuation condition.Transition count delta: -2
Deduced a syphon composed of 1 places in 0 ms
Reduce places removed 1 places and 0 transitions.
Iterating global reduction 0 with 2 rules applied. Total rules applied 2 place count 122 transition count 333
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 4 place count 122 transition count 331
Drop transitions (Redundant composition of simpler transitions.) removed 1 transitions
Redundant transition composition rules discarded 1 transitions
Iterating global reduction 1 with 1 rules applied. Total rules applied 5 place count 122 transition count 330
Applied a total of 5 rules in 36 ms. Remains 122 /123 variables (removed 1) and now considering 330/331 (removed 1) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 36 ms. Remains : 122/123 places, 330/331 transitions.
RANDOM walk for 40000 steps (2188 resets) in 160 ms. (248 steps per ms) remains 7/7 properties
BEST_FIRST walk for 40003 steps (573 resets) in 54 ms. (727 steps per ms) remains 7/7 properties
BEST_FIRST walk for 40004 steps (1055 resets) in 79 ms. (500 steps per ms) remains 7/7 properties
BEST_FIRST walk for 40004 steps (547 resets) in 85 ms. (465 steps per ms) remains 7/7 properties
BEST_FIRST walk for 40002 steps (557 resets) in 52 ms. (754 steps per ms) remains 7/7 properties
BEST_FIRST walk for 40003 steps (552 resets) in 38 ms. (1025 steps per ms) remains 7/7 properties
BEST_FIRST walk for 40004 steps (8 resets) in 48 ms. (816 steps per ms) remains 7/7 properties
BEST_FIRST walk for 40001 steps (580 resets) in 48 ms. (816 steps per ms) remains 7/7 properties
Interrupted probabilistic random walk after 484607 steps, run timeout after 3001 ms. (steps per millisecond=161 ) properties seen :3 out of 7
Probabilistic random walk after 484607 steps, saw 104239 distinct states, run finished after 3001 ms. (steps per millisecond=161 ) properties seen :3
[2025-06-02 10:37:02] [INFO ] Flow matrix only has 302 transitions (discarded 28 similar events)
// Phase 1: matrix 302 rows 122 cols
[2025-06-02 10:37:02] [INFO ] Computed 7 invariants in 6 ms
[2025-06-02 10:37:02] [INFO ] State equation strengthened by 46 read => feed constraints.
Starting Z3 with timeout 75.0 s and query timeout 7500.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/4 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 1 (OVERLAPS) 66/70 variables, 3/3 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/70 variables, 0/3 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 3 (OVERLAPS) 48/118 variables, 4/7 constraints. Problems are: Problem set: 0 solved, 4 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 10:37:02] [INFO ] Deduced a trap composed of 34 places in 66 ms of which 5 ms to minimize.
At refinement iteration 4 (INCLUDED_ONLY) 0/118 variables, 1/8 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/118 variables, 0/8 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 6 (OVERLAPS) 302/420 variables, 118/126 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/420 variables, 46/172 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/420 variables, 0/172 constraints. Problems are: Problem set: 0 solved, 4 unsolved
All remaining problems are real, not stopping.
At refinement iteration 9 (OVERLAPS) 4/424 variables, 4/176 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/424 variables, 0/176 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 11 (OVERLAPS) 0/424 variables, 0/176 constraints. Problems are: Problem set: 0 solved, 4 unsolved
No progress, stopping.
After SMT solving in domain Real declared 424/424 variables, and 176 constraints, problems are : Problem set: 0 solved, 4 unsolved in 595 ms.
Refiners :[Positive P Invariants (semi-flows): 7/7 constraints, State Equation: 122/122 constraints, ReadFeed: 46/46 constraints, PredecessorRefiner: 4/4 constraints, Known Traps: 1/1 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 4 unsolved
Starting Z3 with timeout 75.0 s and query timeout 7500.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/4 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 1 (OVERLAPS) 66/70 variables, 3/3 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/70 variables, 0/3 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 3 (OVERLAPS) 48/118 variables, 4/7 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/118 variables, 1/8 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/118 variables, 0/8 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 6 (OVERLAPS) 302/420 variables, 118/126 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/420 variables, 46/172 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/420 variables, 4/176 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/420 variables, 0/176 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 10 (OVERLAPS) 4/424 variables, 4/180 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/424 variables, 0/180 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 12 (OVERLAPS) 0/424 variables, 0/180 constraints. Problems are: Problem set: 0 solved, 4 unsolved
No progress, stopping.
After SMT solving in domain Int declared 424/424 variables, and 180 constraints, problems are : Problem set: 0 solved, 4 unsolved in 904 ms.
Refiners :[Positive P Invariants (semi-flows): 7/7 constraints, State Equation: 122/122 constraints, ReadFeed: 46/46 constraints, PredecessorRefiner: 4/4 constraints, Known Traps: 1/1 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 1519ms problems are : Problem set: 0 solved, 4 unsolved
Fused 4 Parikh solutions to 2 different solutions.
Parikh walk visited 0 properties in 298 ms.
Support contains 4 out of 122 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 122/122 places, 330/330 transitions.
Reduce places removed 1 places and 1 transitions.
Iterating global reduction 0 with 1 rules applied. Total rules applied 1 place count 121 transition count 329
Applied a total of 1 rules in 32 ms. Remains 121 /122 variables (removed 1) and now considering 329/330 (removed 1) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 32 ms. Remains : 121/122 places, 329/330 transitions.
RANDOM walk for 40000 steps (2273 resets) in 191 ms. (208 steps per ms) remains 4/4 properties
BEST_FIRST walk for 40003 steps (542 resets) in 76 ms. (519 steps per ms) remains 4/4 properties
BEST_FIRST walk for 40002 steps (580 resets) in 86 ms. (459 steps per ms) remains 4/4 properties
BEST_FIRST walk for 40002 steps (541 resets) in 102 ms. (388 steps per ms) remains 4/4 properties
BEST_FIRST walk for 40002 steps (563 resets) in 77 ms. (512 steps per ms) remains 4/4 properties
Interrupted probabilistic random walk after 575450 steps, run timeout after 3001 ms. (steps per millisecond=191 ) properties seen :0 out of 4
Probabilistic random walk after 575450 steps, saw 123392 distinct states, run finished after 3001 ms. (steps per millisecond=191 ) properties seen :0
[2025-06-02 10:37:07] [INFO ] Flow matrix only has 301 transitions (discarded 28 similar events)
// Phase 1: matrix 301 rows 121 cols
[2025-06-02 10:37:07] [INFO ] Computed 7 invariants in 1 ms
[2025-06-02 10:37:07] [INFO ] State equation strengthened by 45 read => feed constraints.
Starting Z3 with timeout 90.0 s and query timeout 9000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/4 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 1 (OVERLAPS) 65/69 variables, 3/3 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/69 variables, 0/3 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 3 (OVERLAPS) 256/325 variables, 69/72 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/325 variables, 23/95 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/325 variables, 0/95 constraints. Problems are: Problem set: 0 solved, 4 unsolved
All remaining problems are real, not stopping.
At refinement iteration 6 (OVERLAPS) 95/420 variables, 50/145 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/420 variables, 3/148 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/420 variables, 22/170 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/420 variables, 0/170 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 10 (OVERLAPS) 2/422 variables, 2/172 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/422 variables, 1/173 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 12 (INCLUDED_ONLY) 0/422 variables, 0/173 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 13 (OVERLAPS) 0/422 variables, 0/173 constraints. Problems are: Problem set: 0 solved, 4 unsolved
No progress, stopping.
After SMT solving in domain Real declared 422/422 variables, and 173 constraints, problems are : Problem set: 0 solved, 4 unsolved in 559 ms.
Refiners :[Positive P Invariants (semi-flows): 7/7 constraints, State Equation: 121/121 constraints, ReadFeed: 45/45 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 90.0 s and query timeout 9000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/4 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 1 (OVERLAPS) 65/69 variables, 3/3 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/69 variables, 0/3 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 3 (OVERLAPS) 256/325 variables, 69/72 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/325 variables, 23/95 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/325 variables, 3/98 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/325 variables, 0/98 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 7 (OVERLAPS) 95/420 variables, 50/148 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/420 variables, 3/151 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/420 variables, 22/173 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/420 variables, 1/174 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/420 variables, 0/174 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 12 (OVERLAPS) 2/422 variables, 2/176 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 13 (INCLUDED_ONLY) 0/422 variables, 1/177 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 14 (INCLUDED_ONLY) 0/422 variables, 0/177 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 15 (OVERLAPS) 0/422 variables, 0/177 constraints. Problems are: Problem set: 0 solved, 4 unsolved
No progress, stopping.
After SMT solving in domain Int declared 422/422 variables, and 177 constraints, problems are : Problem set: 0 solved, 4 unsolved in 952 ms.
Refiners :[Positive P Invariants (semi-flows): 7/7 constraints, State Equation: 121/121 constraints, ReadFeed: 45/45 constraints, PredecessorRefiner: 4/4 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 1523ms problems are : Problem set: 0 solved, 4 unsolved
Fused 4 Parikh solutions to 2 different solutions.
Parikh walk visited 0 properties in 261 ms.
Support contains 4 out of 121 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 121/121 places, 329/329 transitions.
Applied a total of 0 rules in 21 ms. Remains 121 /121 variables (removed 0) and now considering 329/329 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 22 ms. Remains : 121/121 places, 329/329 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 121/121 places, 329/329 transitions.
Applied a total of 0 rules in 13 ms. Remains 121 /121 variables (removed 0) and now considering 329/329 (removed 0) transitions.
[2025-06-02 10:37:09] [INFO ] Flow matrix only has 301 transitions (discarded 28 similar events)
[2025-06-02 10:37:09] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-02 10:37:09] [INFO ] Implicit Places using invariants in 195 ms returned []
[2025-06-02 10:37:09] [INFO ] Flow matrix only has 301 transitions (discarded 28 similar events)
[2025-06-02 10:37:09] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-02 10:37:09] [INFO ] State equation strengthened by 45 read => feed constraints.
[2025-06-02 10:37:09] [INFO ] Implicit Places using invariants and state equation in 450 ms returned [34]
Discarding 1 places :
Implicit Place search using SMT with State Equation took 648 ms to find 1 implicit places.
Starting structural reductions in REACHABILITY mode, iteration 1 : 120/121 places, 329/329 transitions.
Free-agglomeration rule (complex) applied 1 times.
Iterating global reduction 0 with 1 rules applied. Total rules applied 1 place count 120 transition count 328
Reduce places removed 1 places and 0 transitions.
Iterating post reduction 0 with 1 rules applied. Total rules applied 2 place count 119 transition count 328
Applied a total of 2 rules in 28 ms. Remains 119 /120 variables (removed 1) and now considering 328/329 (removed 1) transitions.
[2025-06-02 10:37:09] [INFO ] Flow matrix only has 300 transitions (discarded 28 similar events)
// Phase 1: matrix 300 rows 119 cols
[2025-06-02 10:37:09] [INFO ] Computed 6 invariants in 2 ms
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-02 10:37:10] [INFO ] Implicit Places using invariants in 182 ms returned []
[2025-06-02 10:37:10] [INFO ] Flow matrix only has 300 transitions (discarded 28 similar events)
[2025-06-02 10:37:10] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-02 10:37:10] [INFO ] State equation strengthened by 45 read => feed constraints.
[2025-06-02 10:37:10] [INFO ] Implicit Places using invariants and state equation in 373 ms returned []
Implicit Place search using SMT with State Equation took 559 ms to find 0 implicit places.
Starting structural reductions in REACHABILITY mode, iteration 2 : 119/121 places, 328/329 transitions.
Finished structural reductions in REACHABILITY mode , in 2 iterations and 1248 ms. Remains : 119/121 places, 328/329 transitions.
RANDOM walk for 40000 steps (2260 resets) in 151 ms. (263 steps per ms) remains 4/4 properties
BEST_FIRST walk for 40003 steps (589 resets) in 45 ms. (869 steps per ms) remains 4/4 properties
BEST_FIRST walk for 40002 steps (581 resets) in 46 ms. (851 steps per ms) remains 4/4 properties
BEST_FIRST walk for 40004 steps (548 resets) in 48 ms. (816 steps per ms) remains 4/4 properties
BEST_FIRST walk for 40002 steps (643 resets) in 62 ms. (634 steps per ms) remains 4/4 properties
Interrupted probabilistic random walk after 562940 steps, run timeout after 3001 ms. (steps per millisecond=187 ) properties seen :0 out of 4
Probabilistic random walk after 562940 steps, saw 119417 distinct states, run finished after 3001 ms. (steps per millisecond=187 ) properties seen :0
[2025-06-02 10:37:13] [INFO ] Flow matrix only has 300 transitions (discarded 28 similar events)
[2025-06-02 10:37:13] [INFO ] Invariant cache hit.
[2025-06-02 10:37:13] [INFO ] State equation strengthened by 45 read => feed constraints.
Starting Z3 with timeout 105.0 s and query timeout 10500.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/4 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 1 (OVERLAPS) 65/69 variables, 3/3 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/69 variables, 0/3 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 3 (OVERLAPS) 256/325 variables, 69/72 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/325 variables, 23/95 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/325 variables, 0/95 constraints. Problems are: Problem set: 0 solved, 4 unsolved
All remaining problems are real, not stopping.
At refinement iteration 6 (OVERLAPS) 94/419 variables, 50/145 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/419 variables, 3/148 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/419 variables, 22/170 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/419 variables, 0/170 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 10 (OVERLAPS) 0/419 variables, 0/170 constraints. Problems are: Problem set: 0 solved, 4 unsolved
No progress, stopping.
After SMT solving in domain Real declared 419/419 variables, and 170 constraints, problems are : Problem set: 0 solved, 4 unsolved in 412 ms.
Refiners :[Positive P Invariants (semi-flows): 6/6 constraints, State Equation: 119/119 constraints, ReadFeed: 45/45 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 105.0 s and query timeout 10500.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/4 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 1 (OVERLAPS) 65/69 variables, 3/3 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/69 variables, 0/3 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 3 (OVERLAPS) 256/325 variables, 69/72 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/325 variables, 23/95 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/325 variables, 3/98 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/325 variables, 0/98 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 7 (OVERLAPS) 94/419 variables, 50/148 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/419 variables, 3/151 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/419 variables, 22/173 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/419 variables, 1/174 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/419 variables, 0/174 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 12 (OVERLAPS) 0/419 variables, 0/174 constraints. Problems are: Problem set: 0 solved, 4 unsolved
No progress, stopping.
After SMT solving in domain Int declared 419/419 variables, and 174 constraints, problems are : Problem set: 0 solved, 4 unsolved in 726 ms.
Refiners :[Positive P Invariants (semi-flows): 6/6 constraints, State Equation: 119/119 constraints, ReadFeed: 45/45 constraints, PredecessorRefiner: 4/4 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 1149ms problems are : Problem set: 0 solved, 4 unsolved
Fused 4 Parikh solutions to 2 different solutions.
Parikh walk visited 0 properties in 525 ms.
Support contains 4 out of 119 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 119/119 places, 328/328 transitions.
Applied a total of 0 rules in 14 ms. Remains 119 /119 variables (removed 0) and now considering 328/328 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 14 ms. Remains : 119/119 places, 328/328 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 119/119 places, 328/328 transitions.
Applied a total of 0 rules in 13 ms. Remains 119 /119 variables (removed 0) and now considering 328/328 (removed 0) transitions.
[2025-06-02 10:37:15] [INFO ] Flow matrix only has 300 transitions (discarded 28 similar events)
[2025-06-02 10:37:15] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-02 10:37:15] [INFO ] Implicit Places using invariants in 193 ms returned []
[2025-06-02 10:37:15] [INFO ] Flow matrix only has 300 transitions (discarded 28 similar events)
[2025-06-02 10:37:15] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-02 10:37:15] [INFO ] State equation strengthened by 45 read => feed constraints.
[2025-06-02 10:37:15] [INFO ] Implicit Places using invariants and state equation in 437 ms returned []
Implicit Place search using SMT with State Equation took 632 ms to find 0 implicit places.
Starting Z3 with timeout 200.0 s and query timeout 20000.0 ms
[2025-06-02 10:37:15] [INFO ] Redundant transitions in 40 ms returned []
Running 326 sub problems to find dead transitions.
[2025-06-02 10:37:16] [INFO ] Flow matrix only has 300 transitions (discarded 28 similar events)
[2025-06-02 10:37:16] [INFO ] Invariant cache hit.
[2025-06-02 10:37:16] [INFO ] State equation strengthened by 45 read => feed constraints.
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/118 variables, 6/6 constraints. Problems are: Problem set: 0 solved, 326 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 10:37:18] [INFO ] Deduced a trap composed of 15 places in 185 ms of which 20 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 10:37:18] [INFO ] Deduced a trap composed of 33 places in 78 ms of which 4 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 10:37:18] [INFO ] Deduced a trap composed of 40 places in 73 ms of which 5 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 10:37:18] [INFO ] Deduced a trap composed of 40 places in 59 ms of which 3 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 10:37:18] [INFO ] Deduced a trap composed of 43 places in 203 ms of which 23 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 10:37:19] [INFO ] Deduced a trap composed of 21 places in 176 ms of which 24 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 10:37:20] [INFO ] Deduced a trap composed of 41 places in 125 ms of which 13 ms to minimize.
At refinement iteration 1 (INCLUDED_ONLY) 0/118 variables, 7/13 constraints. Problems are: Problem set: 0 solved, 326 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/118 variables, 0/13 constraints. Problems are: Problem set: 0 solved, 326 unsolved
At refinement iteration 3 (OVERLAPS) 300/418 variables, 118/131 constraints. Problems are: Problem set: 0 solved, 326 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/418 variables, 45/176 constraints. Problems are: Problem set: 0 solved, 326 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 10:37:29] [INFO ] Deduced a trap composed of 15 places in 138 ms of which 12 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 10:37:29] [INFO ] Deduced a trap composed of 15 places in 147 ms of which 10 ms to minimize.
At refinement iteration 5 (INCLUDED_ONLY) 0/418 variables, 2/178 constraints. Problems are: Problem set: 0 solved, 326 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/418 variables, 0/178 constraints. Problems are: Problem set: 0 solved, 326 unsolved
At refinement iteration 7 (OVERLAPS) 1/419 variables, 1/179 constraints. Problems are: Problem set: 0 solved, 326 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 10:37:44] [INFO ] Deduced a trap composed of 21 places in 175 ms of which 24 ms to minimize.
At refinement iteration 8 (INCLUDED_ONLY) 0/419 variables, 1/180 constraints. Problems are: Problem set: 0 solved, 326 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 419/419 variables, and 180 constraints, problems are : Problem set: 0 solved, 326 unsolved in 30031 ms.
Refiners :[Positive P Invariants (semi-flows): 6/6 constraints, State Equation: 119/119 constraints, ReadFeed: 45/45 constraints, PredecessorRefiner: 326/326 constraints, Known Traps: 10/10 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 326 unsolved
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/118 variables, 6/6 constraints. Problems are: Problem set: 0 solved, 326 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/118 variables, 10/16 constraints. Problems are: Problem set: 0 solved, 326 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/118 variables, 0/16 constraints. Problems are: Problem set: 0 solved, 326 unsolved
At refinement iteration 3 (OVERLAPS) 300/418 variables, 118/134 constraints. Problems are: Problem set: 0 solved, 326 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/418 variables, 45/179 constraints. Problems are: Problem set: 0 solved, 326 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/418 variables, 326/505 constraints. Problems are: Problem set: 0 solved, 326 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 10:37:56] [INFO ] Deduced a trap composed of 14 places in 44 ms of which 2 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 10:37:57] [INFO ] Deduced a trap composed of 14 places in 50 ms of which 4 ms to minimize.
At refinement iteration 6 (INCLUDED_ONLY) 0/418 variables, 2/507 constraints. Problems are: Problem set: 0 solved, 326 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 10:38:01] [INFO ] Deduced a trap composed of 45 places in 84 ms of which 7 ms to minimize.
At refinement iteration 7 (INCLUDED_ONLY) 0/418 variables, 1/508 constraints. Problems are: Problem set: 0 solved, 326 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 418/419 variables, and 508 constraints, problems are : Problem set: 0 solved, 326 unsolved in 30019 ms.
Refiners :[Positive P Invariants (semi-flows): 6/6 constraints, State Equation: 118/119 constraints, ReadFeed: 45/45 constraints, PredecessorRefiner: 326/326 constraints, Known Traps: 13/13 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 60406ms problems are : Problem set: 0 solved, 326 unsolved
Search for dead transitions found 0 dead transitions in 60413ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 61114 ms. Remains : 119/119 places, 328/328 transitions.
FORMULA FireWire-PT-10-LTLFireability-03 FALSE TECHNIQUES REACHABILITY_KNOWLEDGE
Successfully simplified 1 atomic propositions for a total of 12 simplifications.
FORMULA FireWire-PT-10-LTLFireability-05 FALSE TECHNIQUES TOPOLOGICAL INITIAL_STATE
Computed a total of 23 stabilizing places and 48 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' '!((F((p0&&X(p0)))&&(G(!p1)||(!p1&&F(!p2)))))'
Support contains 6 out of 127 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 127/127 places, 338/338 transitions.
Discarding 1 places :
Symmetric choice reduction at 0 with 1 rule applications. Total rules 1 place count 126 transition count 336
Iterating global reduction 0 with 1 rules applied. Total rules applied 2 place count 126 transition count 336
Discarding 1 places :
Symmetric choice reduction at 0 with 1 rule applications. Total rules 3 place count 125 transition count 333
Iterating global reduction 0 with 1 rules applied. Total rules applied 4 place count 125 transition count 333
Discarding 1 places :
Symmetric choice reduction at 0 with 1 rule applications. Total rules 5 place count 124 transition count 331
Iterating global reduction 0 with 1 rules applied. Total rules applied 6 place count 124 transition count 331
Discarding 1 places :
Symmetric choice reduction at 0 with 1 rule applications. Total rules 7 place count 123 transition count 328
Iterating global reduction 0 with 1 rules applied. Total rules applied 8 place count 123 transition count 328
Discarding 1 places :
Symmetric choice reduction at 0 with 1 rule applications. Total rules 9 place count 122 transition count 326
Iterating global reduction 0 with 1 rules applied. Total rules applied 10 place count 122 transition count 326
Discarding 1 places :
Symmetric choice reduction at 0 with 1 rule applications. Total rules 11 place count 121 transition count 323
Iterating global reduction 0 with 1 rules applied. Total rules applied 12 place count 121 transition count 323
Discarding 1 places :
Symmetric choice reduction at 0 with 1 rule applications. Total rules 13 place count 120 transition count 321
Iterating global reduction 0 with 1 rules applied. Total rules applied 14 place count 120 transition count 321
Applied a total of 14 rules in 17 ms. Remains 120 /127 variables (removed 7) and now considering 321/338 (removed 17) transitions.
[2025-06-02 10:38:17] [INFO ] Flow matrix only has 295 transitions (discarded 26 similar events)
// Phase 1: matrix 295 rows 120 cols
[2025-06-02 10:38:17] [INFO ] Computed 7 invariants in 3 ms
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-02 10:38:17] [INFO ] Implicit Places using invariants in 195 ms returned []
[2025-06-02 10:38:17] [INFO ] Flow matrix only has 295 transitions (discarded 26 similar events)
[2025-06-02 10:38:17] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-02 10:38:17] [INFO ] State equation strengthened by 42 read => feed constraints.
[2025-06-02 10:38:17] [INFO ] Implicit Places using invariants and state equation in 356 ms returned [37]
Discarding 1 places :
Implicit Place search using SMT with State Equation took 558 ms to find 1 implicit places.
Starting structural reductions in LTL mode, iteration 1 : 119/127 places, 321/338 transitions.
Applied a total of 0 rules in 2 ms. Remains 119 /119 variables (removed 0) and now considering 321/321 (removed 0) transitions.
Finished structural reductions in LTL mode , in 2 iterations and 577 ms. Remains : 119/127 places, 321/338 transitions.
Stuttering acceptance computed with spot in 460 ms :[(OR (NOT p0) p1), true, (NOT p0), (AND p2 p1), (NOT p0), p2]
Running random walk in product with property : FireWire-PT-10-LTLFireability-00
Product exploration explored 100000 steps with 50000 reset in 342 ms.
Product exploration explored 100000 steps with 50000 reset in 425 ms.
Computed a total of 16 stabilizing places and 31 stable transitions
Computed a total of 16 stabilizing places and 31 stable transitions
Knowledge obtained : [(AND (NOT p1) p0 (NOT p2)), (X (NOT p2)), (X (NOT (AND (NOT p1) p2))), (X (NOT (AND p1 p2))), (X p0), (X (NOT p1)), (X (X (NOT p2))), (X (X (NOT (AND (NOT p1) p2)))), (X (X (NOT (AND p1 p2)))), (X (X p0)), (X (X (NOT p1)))]
False Knowledge obtained : []
Property proved to be true thanks to knowledge (Minato strategy)
Knowledge based reduction with 11 factoid took 31 ms. Reduced automaton from 6 states, 11 edges and 3 AP (stutter sensitive) to 1 states, 0 edges and 0 AP (stutter insensitive).
FORMULA FireWire-PT-10-LTLFireability-00 TRUE TECHNIQUES KNOWLEDGE
Treatment of property FireWire-PT-10-LTLFireability-00 finished in 1988 ms.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202505121319/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!(G((F(p0)&&F(G(p1)))))'
Support contains 4 out of 127 places. Attempting structural reductions.
Starting structural reductions in SI_LTL mode, iteration 0 : 127/127 places, 338/338 transitions.
Reduce places removed 1 places and 1 transitions.
Discarding 1 places :
Symmetric choice reduction at 0 with 1 rule applications. Total rules 1 place count 125 transition count 335
Iterating global reduction 0 with 1 rules applied. Total rules applied 2 place count 125 transition count 335
Discarding 1 places :
Symmetric choice reduction at 0 with 1 rule applications. Total rules 3 place count 124 transition count 332
Iterating global reduction 0 with 1 rules applied. Total rules applied 4 place count 124 transition count 332
Discarding 1 places :
Symmetric choice reduction at 0 with 1 rule applications. Total rules 5 place count 123 transition count 330
Iterating global reduction 0 with 1 rules applied. Total rules applied 6 place count 123 transition count 330
Discarding 1 places :
Symmetric choice reduction at 0 with 1 rule applications. Total rules 7 place count 122 transition count 327
Iterating global reduction 0 with 1 rules applied. Total rules applied 8 place count 122 transition count 327
Discarding 1 places :
Symmetric choice reduction at 0 with 1 rule applications. Total rules 9 place count 121 transition count 325
Iterating global reduction 0 with 1 rules applied. Total rules applied 10 place count 121 transition count 325
Discarding 1 places :
Symmetric choice reduction at 0 with 1 rule applications. Total rules 11 place count 120 transition count 322
Iterating global reduction 0 with 1 rules applied. Total rules applied 12 place count 120 transition count 322
Discarding 1 places :
Symmetric choice reduction at 0 with 1 rule applications. Total rules 13 place count 119 transition count 320
Iterating global reduction 0 with 1 rules applied. Total rules applied 14 place count 119 transition count 320
Discarding 1 places :
Symmetric choice reduction at 0 with 1 rule applications. Total rules 15 place count 118 transition count 317
Iterating global reduction 0 with 1 rules applied. Total rules applied 16 place count 118 transition count 317
Discarding 1 places :
Symmetric choice reduction at 0 with 1 rule applications. Total rules 17 place count 117 transition count 315
Iterating global reduction 0 with 1 rules applied. Total rules applied 18 place count 117 transition count 315
Discarding 1 places :
Symmetric choice reduction at 0 with 1 rule applications. Total rules 19 place count 116 transition count 312
Iterating global reduction 0 with 1 rules applied. Total rules applied 20 place count 116 transition count 312
Discarding 1 places :
Symmetric choice reduction at 0 with 1 rule applications. Total rules 21 place count 115 transition count 310
Iterating global reduction 0 with 1 rules applied. Total rules applied 22 place count 115 transition count 310
Discarding 1 places :
Symmetric choice reduction at 0 with 1 rule applications. Total rules 23 place count 114 transition count 308
Iterating global reduction 0 with 1 rules applied. Total rules applied 24 place count 114 transition count 308
Discarding 1 places :
Symmetric choice reduction at 0 with 1 rule applications. Total rules 25 place count 113 transition count 306
Iterating global reduction 0 with 1 rules applied. Total rules applied 26 place count 113 transition count 306
Performed 1 Post agglomeration using F-continuation condition.Transition count delta: 1
Deduced a syphon composed of 1 places in 0 ms
Reduce places removed 1 places and 0 transitions.
Iterating global reduction 0 with 2 rules applied. Total rules applied 28 place count 112 transition count 305
Performed 3 Post agglomeration using F-continuation condition.Transition count delta: -6
Deduced a syphon composed of 3 places in 0 ms
Reduce places removed 3 places and 0 transitions.
Iterating global reduction 0 with 6 rules applied. Total rules applied 34 place count 109 transition count 311
Drop transitions (Redundant composition of simpler transitions.) removed 6 transitions
Redundant transition composition rules discarded 6 transitions
Iterating global reduction 0 with 6 rules applied. Total rules applied 40 place count 109 transition count 305
Applied a total of 40 rules in 105 ms. Remains 109 /127 variables (removed 18) and now considering 305/338 (removed 33) transitions.
[2025-06-02 10:38:19] [INFO ] Flow matrix only has 272 transitions (discarded 33 similar events)
// Phase 1: matrix 272 rows 109 cols
[2025-06-02 10:38:19] [INFO ] Computed 7 invariants in 2 ms
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-02 10:38:19] [INFO ] Implicit Places using invariants in 118 ms returned []
[2025-06-02 10:38:19] [INFO ] Flow matrix only has 272 transitions (discarded 33 similar events)
[2025-06-02 10:38:19] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-02 10:38:19] [INFO ] State equation strengthened by 40 read => feed constraints.
[2025-06-02 10:38:19] [INFO ] Implicit Places using invariants and state equation in 311 ms returned [35]
Discarding 1 places :
Implicit Place search using SMT with State Equation took 432 ms to find 1 implicit places.
Starting structural reductions in SI_LTL mode, iteration 1 : 108/127 places, 305/338 transitions.
Applied a total of 0 rules in 15 ms. Remains 108 /108 variables (removed 0) and now considering 305/305 (removed 0) transitions.
Finished structural reductions in SI_LTL mode , in 2 iterations and 552 ms. Remains : 108/127 places, 305/338 transitions.
Stuttering acceptance computed with spot in 143 ms :[(OR (NOT p0) (NOT p1)), (NOT p0), (NOT p1)]
Running random walk in product with property : FireWire-PT-10-LTLFireability-01
Stuttering criterion allowed to conclude after 0 steps with 0 reset in 0 ms.
FORMULA FireWire-PT-10-LTLFireability-01 FALSE TECHNIQUES STUTTER_TEST
Treatment of property FireWire-PT-10-LTLFireability-01 finished in 713 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)&&F((p1&&(p2 U (p3||G(p2)))))))'
Support contains 3 out of 127 places. Attempting structural reductions.
Starting structural reductions in SI_LTL mode, iteration 0 : 127/127 places, 338/338 transitions.
Reduce places removed 1 places and 1 transitions.
Performed 1 Post agglomeration using F-continuation condition.Transition count delta: 1
Deduced a syphon composed of 1 places in 1 ms
Reduce places removed 1 places and 0 transitions.
Iterating global reduction 0 with 2 rules applied. Total rules applied 2 place count 125 transition count 336
Performed 3 Post agglomeration using F-continuation condition.Transition count delta: -6
Deduced a syphon composed of 3 places in 1 ms
Reduce places removed 3 places and 0 transitions.
Iterating global reduction 0 with 6 rules applied. Total rules applied 8 place count 122 transition count 342
Drop transitions (Redundant composition of simpler transitions.) removed 6 transitions
Redundant transition composition rules discarded 6 transitions
Iterating global reduction 0 with 6 rules applied. Total rules applied 14 place count 122 transition count 336
Applied a total of 14 rules in 40 ms. Remains 122 /127 variables (removed 5) and now considering 336/338 (removed 2) transitions.
[2025-06-02 10:38:19] [INFO ] Flow matrix only has 303 transitions (discarded 33 similar events)
// Phase 1: matrix 303 rows 122 cols
[2025-06-02 10:38:19] [INFO ] Computed 7 invariants in 2 ms
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-02 10:38:19] [INFO ] Implicit Places using invariants in 133 ms returned []
[2025-06-02 10:38:19] [INFO ] Flow matrix only has 303 transitions (discarded 33 similar events)
[2025-06-02 10:38:19] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-02 10:38:19] [INFO ] State equation strengthened by 45 read => feed constraints.
[2025-06-02 10:38:20] [INFO ] Implicit Places using invariants and state equation in 382 ms returned [35]
Discarding 1 places :
Implicit Place search using SMT with State Equation took 525 ms to find 1 implicit places.
Starting structural reductions in SI_LTL mode, iteration 1 : 121/127 places, 336/338 transitions.
Applied a total of 0 rules in 14 ms. Remains 121 /121 variables (removed 0) and now considering 336/336 (removed 0) transitions.
Finished structural reductions in SI_LTL mode , in 2 iterations and 580 ms. Remains : 121/127 places, 336/338 transitions.
Stuttering acceptance computed with spot in 203 ms :[(OR (NOT p0) (NOT p1) (AND (NOT p2) (NOT p3))), true, (NOT p0), (OR (NOT p1) (AND (NOT p2) (NOT p3))), (AND (NOT p2) (NOT p3))]
Running random walk in product with property : FireWire-PT-10-LTLFireability-02
Product exploration explored 100000 steps with 2 reset in 138 ms.
Product exploration explored 100000 steps with 0 reset in 142 ms.
Computed a total of 21 stabilizing places and 46 stable transitions
Computed a total of 21 stabilizing places and 46 stable transitions
Detected a total of 21/121 stabilizing places and 46/336 transitions leading to convergence knowledge of the form 'F(Gp|G!p)' for 2/4 atomic propositions.
Knowledge obtained : [(AND p0 p1 p3 p2), (X p2), (X p3), (X (NOT (AND (NOT p3) (NOT p2)))), (X p0), (X (NOT (OR (NOT p1) (AND (NOT p3) (NOT p2))))), (X (NOT (AND p1 (NOT p3) p2))), (X (NOT (AND (NOT p3) p2))), (X p1), (X (X p2)), (X (X p3)), (X (X (NOT (AND (NOT p3) (NOT p2))))), (X (X p0)), (X (X (NOT (OR (NOT p1) (AND (NOT p3) (NOT p2)))))), (X (X (NOT (AND p1 (NOT p3) p2)))), (X (X (NOT (AND (NOT p3) p2)))), (X (X p1)), (F (OR (G p0) (G (NOT p0)))), (F (OR (G p2) (G (NOT p2))))]
False Knowledge obtained : []
Knowledge based reduction with 19 factoid took 213 ms. Reduced automaton from 5 states, 11 edges and 4 AP (stutter insensitive) to 2 states, 3 edges and 1 AP (stutter insensitive).
Stuttering acceptance computed with spot in 44 ms :[true, (NOT p0)]
RANDOM walk for 40000 steps (2298 resets) in 71 ms. (555 steps per ms) remains 1/1 properties
BEST_FIRST walk for 40003 steps (542 resets) in 46 ms. (851 steps per ms) remains 1/1 properties
Finished probabilistic random walk after 882936 steps, run visited all 1 properties in 1764 ms. (steps per millisecond=500 )
Probabilistic random walk after 882936 steps, saw 168262 distinct states, run finished after 1769 ms. (steps per millisecond=499 ) properties seen :1
Knowledge obtained : [(AND p0 p1 p3 p2), (X p2), (X p3), (X (NOT (AND (NOT p3) (NOT p2)))), (X p0), (X (NOT (OR (NOT p1) (AND (NOT p3) (NOT p2))))), (X (NOT (AND p1 (NOT p3) p2))), (X (NOT (AND (NOT p3) p2))), (X p1), (X (X p2)), (X (X p3)), (X (X (NOT (AND (NOT p3) (NOT p2))))), (X (X p0)), (X (X (NOT (OR (NOT p1) (AND (NOT p3) (NOT p2)))))), (X (X (NOT (AND p1 (NOT p3) p2)))), (X (X (NOT (AND (NOT p3) p2)))), (X (X p1)), (F (OR (G p0) (G (NOT p0)))), (F (OR (G p2) (G (NOT p2))))]
False Knowledge obtained : [(F (NOT p0))]
Property proved to be false thanks to negative knowledge :(F (NOT p0))
Knowledge based reduction with 19 factoid took 256 ms. Reduced automaton from 2 states, 3 edges and 1 AP (stutter insensitive) to 1 states, 1 edges and 0 AP (stutter insensitive).
FORMULA FireWire-PT-10-LTLFireability-02 FALSE TECHNIQUES KNOWLEDGE
Treatment of property FireWire-PT-10-LTLFireability-02 finished in 3418 ms.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202505121319/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!(X((X(!p0) U ((X(!p0)&&((!p1&&F(!p2)) U (G((!p1&&F(!p2)))||(!p1&&F(!p2)&&G((p3||F(!p0)))))))||X(G(!p0))))))'
Support contains 6 out of 127 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 127/127 places, 338/338 transitions.
Discarding 1 places :
Symmetric choice reduction at 0 with 1 rule applications. Total rules 1 place count 126 transition count 336
Iterating global reduction 0 with 1 rules applied. Total rules applied 2 place count 126 transition count 336
Discarding 1 places :
Symmetric choice reduction at 0 with 1 rule applications. Total rules 3 place count 125 transition count 333
Iterating global reduction 0 with 1 rules applied. Total rules applied 4 place count 125 transition count 333
Discarding 1 places :
Symmetric choice reduction at 0 with 1 rule applications. Total rules 5 place count 124 transition count 331
Iterating global reduction 0 with 1 rules applied. Total rules applied 6 place count 124 transition count 331
Discarding 1 places :
Symmetric choice reduction at 0 with 1 rule applications. Total rules 7 place count 123 transition count 328
Iterating global reduction 0 with 1 rules applied. Total rules applied 8 place count 123 transition count 328
Discarding 1 places :
Symmetric choice reduction at 0 with 1 rule applications. Total rules 9 place count 122 transition count 326
Iterating global reduction 0 with 1 rules applied. Total rules applied 10 place count 122 transition count 326
Discarding 1 places :
Symmetric choice reduction at 0 with 1 rule applications. Total rules 11 place count 121 transition count 323
Iterating global reduction 0 with 1 rules applied. Total rules applied 12 place count 121 transition count 323
Discarding 1 places :
Symmetric choice reduction at 0 with 1 rule applications. Total rules 13 place count 120 transition count 321
Iterating global reduction 0 with 1 rules applied. Total rules applied 14 place count 120 transition count 321
Discarding 1 places :
Symmetric choice reduction at 0 with 1 rule applications. Total rules 15 place count 119 transition count 318
Iterating global reduction 0 with 1 rules applied. Total rules applied 16 place count 119 transition count 318
Discarding 1 places :
Symmetric choice reduction at 0 with 1 rule applications. Total rules 17 place count 118 transition count 316
Iterating global reduction 0 with 1 rules applied. Total rules applied 18 place count 118 transition count 316
Discarding 1 places :
Symmetric choice reduction at 0 with 1 rule applications. Total rules 19 place count 117 transition count 313
Iterating global reduction 0 with 1 rules applied. Total rules applied 20 place count 117 transition count 313
Discarding 1 places :
Symmetric choice reduction at 0 with 1 rule applications. Total rules 21 place count 116 transition count 311
Iterating global reduction 0 with 1 rules applied. Total rules applied 22 place count 116 transition count 311
Discarding 1 places :
Symmetric choice reduction at 0 with 1 rule applications. Total rules 23 place count 115 transition count 309
Iterating global reduction 0 with 1 rules applied. Total rules applied 24 place count 115 transition count 309
Discarding 1 places :
Symmetric choice reduction at 0 with 1 rule applications. Total rules 25 place count 114 transition count 307
Iterating global reduction 0 with 1 rules applied. Total rules applied 26 place count 114 transition count 307
Applied a total of 26 rules in 20 ms. Remains 114 /127 variables (removed 13) and now considering 307/338 (removed 31) transitions.
[2025-06-02 10:38:23] [INFO ] Flow matrix only has 281 transitions (discarded 26 similar events)
// Phase 1: matrix 281 rows 114 cols
[2025-06-02 10:38:23] [INFO ] Computed 7 invariants in 2 ms
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-02 10:38:23] [INFO ] Implicit Places using invariants in 140 ms returned []
[2025-06-02 10:38:23] [INFO ] Flow matrix only has 281 transitions (discarded 26 similar events)
[2025-06-02 10:38:23] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-02 10:38:23] [INFO ] State equation strengthened by 40 read => feed constraints.
[2025-06-02 10:38:23] [INFO ] Implicit Places using invariants and state equation in 331 ms returned [37]
Discarding 1 places :
Implicit Place search using SMT with State Equation took 475 ms to find 1 implicit places.
Starting structural reductions in LTL mode, iteration 1 : 113/127 places, 307/338 transitions.
Applied a total of 0 rules in 2 ms. Remains 113 /113 variables (removed 0) and now considering 307/307 (removed 0) transitions.
Finished structural reductions in LTL mode , in 2 iterations and 498 ms. Remains : 113/127 places, 307/338 transitions.
Stuttering acceptance computed with spot in 973 ms :[p0, (OR (AND p0 p1 (NOT p3)) (AND p0 p2 (NOT p3))), p0, (OR (AND p0 p1) (AND p0 p2)), (AND p0 p2), p0, (AND p1 (NOT p3) p0), false, (AND p0 p2), (AND p0 (NOT p3)), (AND (NOT p3) p0), p0, true, (OR (AND p0 p1 (NOT p3)) (AND p0 p2 (NOT p3))), false, (AND p2 p0), (AND p0 (NOT p3)), false, (AND p0 (NOT p3)), (AND p0 (NOT p3)), p2]
Running random walk in product with property : FireWire-PT-10-LTLFireability-06
Product exploration explored 100000 steps with 24988 reset in 547 ms.
Product exploration explored 100000 steps with 24929 reset in 380 ms.
Computed a total of 10 stabilizing places and 17 stable transitions
Computed a total of 10 stabilizing places and 17 stable transitions
Knowledge obtained : [(AND (NOT p1) p3 (NOT p0) (NOT p2)), (X (NOT p2)), (X p3), (X (NOT (AND (NOT p1) p2))), (X (NOT (AND p1 (NOT p0)))), (X (NOT (AND (NOT p1) (NOT p3) p0))), (X (NOT (AND p1 p0))), (X (NOT p0)), (X (NOT p1)), (X (X (NOT p2))), (X (X (NOT (AND (NOT p1) p3 p0)))), (X (X p3)), (X (X (NOT (AND (NOT p1) p2)))), (X (X (NOT (AND p2 (NOT p0))))), (X (X (NOT (AND (NOT p1) p2 (NOT p3) p0)))), (X (X (NOT (AND p1 (NOT p0))))), (X (X (NOT (AND (NOT p1) (NOT p3) p0)))), (X (X (NOT (AND (NOT p1) p2 p0)))), (X (X (NOT (AND p2 p0)))), (X (X (NOT (AND p1 (NOT p3) p0)))), (X (X (NOT (AND p1 p0)))), (X (X (NOT p0))), (X (X (NOT p1)))]
False Knowledge obtained : []
Knowledge based reduction with 23 factoid took 195 ms. Reduced automaton from 21 states, 53 edges and 4 AP (stutter sensitive) to 16 states, 41 edges and 4 AP (stutter sensitive).
Stuttering acceptance computed with spot in 815 ms :[(OR (AND p0 p1 (NOT p3)) (AND p0 p2 (NOT p3))), (OR (AND p0 p1 (NOT p3)) (AND p0 p2 (NOT p3))), (OR (AND p0 p2) (AND p0 p1)), (OR (AND p0 p1 (NOT p3)) (AND p0 p2 (NOT p3))), (AND p1 p0 (NOT p3)), false, (AND p0 p2), (AND p0 (NOT p3)), (AND p0 (NOT p3)), p0, (OR (AND p0 p1 (NOT p3)) (AND p0 p2 (NOT p3))), false, (AND p0 (NOT p3)), false, (AND p0 (NOT p3)), (AND p0 (NOT p3))]
RANDOM walk for 40000 steps (2277 resets) in 487 ms. (81 steps per ms) remains 6/17 properties
BEST_FIRST walk for 40002 steps (105 resets) in 196 ms. (203 steps per ms) remains 6/6 properties
BEST_FIRST walk for 40004 steps (544 resets) in 155 ms. (256 steps per ms) remains 6/6 properties
BEST_FIRST walk for 40004 steps (551 resets) in 175 ms. (227 steps per ms) remains 6/6 properties
BEST_FIRST walk for 40003 steps (8 resets) in 68 ms. (579 steps per ms) remains 6/6 properties
BEST_FIRST walk for 40004 steps (15 resets) in 56 ms. (701 steps per ms) remains 6/6 properties
BEST_FIRST walk for 40003 steps (555 resets) in 83 ms. (476 steps per ms) remains 6/6 properties
[2025-06-02 10:38:26] [INFO ] Flow matrix only has 281 transitions (discarded 26 similar events)
// Phase 1: matrix 281 rows 113 cols
[2025-06-02 10:38:26] [INFO ] Computed 6 invariants in 2 ms
[2025-06-02 10:38:26] [INFO ] State equation strengthened by 40 read => feed constraints.
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/6 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 6 unsolved
Problem apf2 is UNSAT
Problem apf6 is UNSAT
Problem apf9 is UNSAT
Problem apf13 is UNSAT
At refinement iteration 1 (OVERLAPS) 94/100 variables, 4/4 constraints. Problems are: Problem set: 4 solved, 2 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/100 variables, 0/4 constraints. Problems are: Problem set: 4 solved, 2 unsolved
All remaining problems are real, not stopping.
At refinement iteration 3 (OVERLAPS) 8/108 variables, 2/6 constraints. Problems are: Problem set: 4 solved, 2 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/108 variables, 0/6 constraints. Problems are: Problem set: 4 solved, 2 unsolved
At refinement iteration 5 (OVERLAPS) 280/388 variables, 108/114 constraints. Problems are: Problem set: 4 solved, 2 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/388 variables, 39/153 constraints. Problems are: Problem set: 4 solved, 2 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/388 variables, 0/153 constraints. Problems are: Problem set: 4 solved, 2 unsolved
At refinement iteration 8 (OVERLAPS) 5/393 variables, 5/158 constraints. Problems are: Problem set: 4 solved, 2 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/393 variables, 0/158 constraints. Problems are: Problem set: 4 solved, 2 unsolved
At refinement iteration 10 (OVERLAPS) 1/394 variables, 1/159 constraints. Problems are: Problem set: 4 solved, 2 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/394 variables, 0/159 constraints. Problems are: Problem set: 4 solved, 2 unsolved
At refinement iteration 12 (OVERLAPS) 0/394 variables, 0/159 constraints. Problems are: Problem set: 4 solved, 2 unsolved
No progress, stopping.
After SMT solving in domain Real declared 394/394 variables, and 159 constraints, problems are : Problem set: 4 solved, 2 unsolved in 295 ms.
Refiners :[Positive P Invariants (semi-flows): 6/6 constraints, State Equation: 113/113 constraints, ReadFeed: 40/40 constraints, PredecessorRefiner: 6/6 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 4 solved, 2 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: 4 solved, 2 unsolved
At refinement iteration 1 (OVERLAPS) 73/77 variables, 3/3 constraints. Problems are: Problem set: 4 solved, 2 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/77 variables, 0/3 constraints. Problems are: Problem set: 4 solved, 2 unsolved
At refinement iteration 3 (OVERLAPS) 31/108 variables, 3/6 constraints. Problems are: Problem set: 4 solved, 2 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/108 variables, 0/6 constraints. Problems are: Problem set: 4 solved, 2 unsolved
At refinement iteration 5 (OVERLAPS) 280/388 variables, 108/114 constraints. Problems are: Problem set: 4 solved, 2 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/388 variables, 39/153 constraints. Problems are: Problem set: 4 solved, 2 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/388 variables, 2/155 constraints. Problems are: Problem set: 4 solved, 2 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/388 variables, 0/155 constraints. Problems are: Problem set: 4 solved, 2 unsolved
At refinement iteration 9 (OVERLAPS) 5/393 variables, 5/160 constraints. Problems are: Problem set: 4 solved, 2 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/393 variables, 0/160 constraints. Problems are: Problem set: 4 solved, 2 unsolved
At refinement iteration 11 (OVERLAPS) 1/394 variables, 1/161 constraints. Problems are: Problem set: 4 solved, 2 unsolved
At refinement iteration 12 (INCLUDED_ONLY) 0/394 variables, 0/161 constraints. Problems are: Problem set: 4 solved, 2 unsolved
At refinement iteration 13 (OVERLAPS) 0/394 variables, 0/161 constraints. Problems are: Problem set: 4 solved, 2 unsolved
No progress, stopping.
After SMT solving in domain Int declared 394/394 variables, and 161 constraints, problems are : Problem set: 4 solved, 2 unsolved in 654 ms.
Refiners :[Positive P Invariants (semi-flows): 6/6 constraints, State Equation: 113/113 constraints, ReadFeed: 40/40 constraints, PredecessorRefiner: 2/6 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 963ms problems are : Problem set: 4 solved, 2 unsolved
Finished Parikh walk after 8450 steps, including 955 resets, run visited all 2 properties in 137 ms. (steps per millisecond=61 )
Parikh walk visited 2 properties in 487 ms.
Found 4 invariant AP formulas.
Knowledge obtained : [(AND (NOT p1) p3 (NOT p0) (NOT p2)), (X (NOT p2)), (X p3), (X (NOT (AND (NOT p1) p2))), (X (NOT (AND p1 (NOT p0)))), (X (NOT (AND (NOT p1) (NOT p3) p0))), (X (NOT (AND p1 p0))), (X (NOT p0)), (X (NOT p1)), (X (X (NOT p2))), (X (X (NOT (AND (NOT p1) p3 p0)))), (X (X p3)), (X (X (NOT (AND (NOT p1) p2)))), (X (X (NOT (AND p2 (NOT p0))))), (X (X (NOT (AND (NOT p1) p2 (NOT p3) p0)))), (X (X (NOT (AND p1 (NOT p0))))), (X (X (NOT (AND (NOT p1) (NOT p3) p0)))), (X (X (NOT (AND (NOT p1) p2 p0)))), (X (X (NOT (AND p2 p0)))), (X (X (NOT (AND p1 (NOT p3) p0)))), (X (X (NOT (AND p1 p0)))), (X (X (NOT p0))), (X (X (NOT p1))), (G (OR (NOT p1) (NOT p0) (NOT p3))), (G (OR p1 (NOT p2) (NOT p0) p3)), (G (OR (NOT p1) (NOT p0))), (G (OR (NOT p1) (NOT p0) p3))]
False Knowledge obtained : [(F (NOT (OR (NOT p0) (NOT p3)))), (F (NOT (OR (NOT p1) p0))), (F (NOT (OR p1 (NOT p0) (NOT p3)))), (F (NOT (OR p1 (NOT p0) p3))), (F p0), (F (NOT (OR (NOT p0) p3))), (F (NOT (OR (NOT p2) (NOT p0)))), (F (NOT (OR p1 (NOT p0)))), (F p2), (F (NOT p3)), (F p1), (F (NOT (AND (NOT p1) (NOT p0)))), (F (NOT (OR p1 (NOT p2) (NOT p0))))]
Knowledge based reduction with 27 factoid took 840 ms. Reduced automaton from 16 states, 41 edges and 4 AP (stutter sensitive) to 12 states, 24 edges and 4 AP (stutter sensitive).
Stuttering acceptance computed with spot in 603 ms :[(OR (AND p0 p1 (NOT p3)) (AND p0 p2 (NOT p3))), (OR (AND p0 p1 (NOT p3)) (AND p0 p2 (NOT p3))), (AND p0 p2), (OR (AND p0 p1 (NOT p3)) (AND p0 p2 (NOT p3))), (AND p0 (NOT p3) p1), (AND p0 p2), (AND p0 (NOT p3)), (AND p0 (NOT p3)), p0, (AND p0 (NOT p3) p2), (AND p0 (NOT p3)), (AND p0 (NOT p3) p1)]
Stuttering acceptance computed with spot in 590 ms :[(OR (AND p0 p1 (NOT p3)) (AND p0 p2 (NOT p3))), (OR (AND p0 p1 (NOT p3)) (AND p0 p2 (NOT p3))), (AND p0 p2), (OR (AND p0 p1 (NOT p3)) (AND p0 p2 (NOT p3))), (AND p0 (NOT p3) p1), (AND p0 p2), (AND p0 (NOT p3)), (AND p0 (NOT p3)), p0, (AND p0 (NOT p3) p2), (AND p0 (NOT p3)), (AND p0 (NOT p3) p1)]
Support contains 6 out of 113 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 113/113 places, 307/307 transitions.
Applied a total of 0 rules in 1 ms. Remains 113 /113 variables (removed 0) and now considering 307/307 (removed 0) transitions.
[2025-06-02 10:38:30] [INFO ] Flow matrix only has 281 transitions (discarded 26 similar events)
[2025-06-02 10:38:30] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-02 10:38:30] [INFO ] Implicit Places using invariants in 152 ms returned []
[2025-06-02 10:38:30] [INFO ] Flow matrix only has 281 transitions (discarded 26 similar events)
[2025-06-02 10:38:30] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-02 10:38:30] [INFO ] State equation strengthened by 40 read => feed constraints.
[2025-06-02 10:38:30] [INFO ] Implicit Places using invariants and state equation in 350 ms returned []
Implicit Place search using SMT with State Equation took 504 ms to find 0 implicit places.
Running 306 sub problems to find dead transitions.
[2025-06-02 10:38:30] [INFO ] Flow matrix only has 281 transitions (discarded 26 similar events)
[2025-06-02 10:38:30] [INFO ] Invariant cache hit.
[2025-06-02 10:38:30] [INFO ] State equation strengthened by 40 read => feed constraints.
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/112 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 306 unsolved
At refinement iteration 1 (OVERLAPS) 1/113 variables, 6/6 constraints. Problems are: Problem set: 0 solved, 306 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 10:38:34] [INFO ] Deduced a trap composed of 38 places in 102 ms of which 12 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 10:38:34] [INFO ] Deduced a trap composed of 35 places in 46 ms of which 4 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 10:38:35] [INFO ] Deduced a trap composed of 15 places in 101 ms of which 9 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 10:38:35] [INFO ] Deduced a trap composed of 22 places in 166 ms of which 24 ms to minimize.
At refinement iteration 2 (INCLUDED_ONLY) 0/113 variables, 4/10 constraints. Problems are: Problem set: 0 solved, 306 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/113 variables, 0/10 constraints. Problems are: Problem set: 0 solved, 306 unsolved
At refinement iteration 4 (OVERLAPS) 280/393 variables, 113/123 constraints. Problems are: Problem set: 0 solved, 306 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/393 variables, 39/162 constraints. Problems are: Problem set: 0 solved, 306 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/393 variables, 0/162 constraints. Problems are: Problem set: 0 solved, 306 unsolved
At refinement iteration 7 (OVERLAPS) 1/394 variables, 1/163 constraints. Problems are: Problem set: 0 solved, 306 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/394 variables, 0/163 constraints. Problems are: Problem set: 0 solved, 306 unsolved
At refinement iteration 9 (OVERLAPS) 0/394 variables, 0/163 constraints. Problems are: Problem set: 0 solved, 306 unsolved
No progress, stopping.
After SMT solving in domain Real declared 394/394 variables, and 163 constraints, problems are : Problem set: 0 solved, 306 unsolved in 26821 ms.
Refiners :[Positive P Invariants (semi-flows): 6/6 constraints, State Equation: 113/113 constraints, ReadFeed: 40/40 constraints, PredecessorRefiner: 306/306 constraints, Known Traps: 4/4 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 306 unsolved
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/112 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 306 unsolved
At refinement iteration 1 (OVERLAPS) 1/113 variables, 6/6 constraints. Problems are: Problem set: 0 solved, 306 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/113 variables, 4/10 constraints. Problems are: Problem set: 0 solved, 306 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/113 variables, 0/10 constraints. Problems are: Problem set: 0 solved, 306 unsolved
At refinement iteration 4 (OVERLAPS) 280/393 variables, 113/123 constraints. Problems are: Problem set: 0 solved, 306 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/393 variables, 39/162 constraints. Problems are: Problem set: 0 solved, 306 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/393 variables, 306/468 constraints. Problems are: Problem set: 0 solved, 306 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 10:39:15] [INFO ] Deduced a trap along path composed of 2 places in 42 ms of which 5 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 10:39:25] [INFO ] Deduced a trap along path composed of 2 places in 23 ms of which 1 ms to minimize.
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 393/394 variables, and 470 constraints, problems are : Problem set: 0 solved, 306 unsolved in 30020 ms.
Refiners :[Positive P Invariants (semi-flows): 6/6 constraints, State Equation: 113/113 constraints, ReadFeed: 39/40 constraints, PredecessorRefiner: 306/306 constraints, Known Traps: 4/4 constraints, Known Traps Along Path: 2/2 constraints]
After SMT, in 56965ms problems are : Problem set: 0 solved, 306 unsolved
Search for dead transitions found 0 dead transitions in 56967ms
Finished structural reductions in LTL mode , in 1 iterations and 57474 ms. Remains : 113/113 places, 307/307 transitions.
Computed a total of 10 stabilizing places and 17 stable transitions
Computed a total of 10 stabilizing places and 17 stable transitions
Knowledge obtained : [(AND (NOT p1) (NOT p0) p3 (NOT p2)), (X (X p3)), (X (X (NOT (AND p0 (NOT p3))))), (X (X (NOT p0))), (X (X (NOT p1)))]
False Knowledge obtained : []
Knowledge based reduction with 5 factoid took 135 ms. Reduced automaton from 12 states, 24 edges and 4 AP (stutter sensitive) to 12 states, 24 edges and 4 AP (stutter sensitive).
Stuttering acceptance computed with spot in 610 ms :[(OR (AND p0 p1 (NOT p3)) (AND p0 p2 (NOT p3))), (OR (AND p0 p1 (NOT p3)) (AND p0 p2 (NOT p3))), (AND p0 p2), (OR (AND p0 p1 (NOT p3)) (AND p0 p2 (NOT p3))), (AND p0 (NOT p3) p1), (AND p0 p2), (AND p0 (NOT p3)), (AND p0 (NOT p3)), p0, (AND p0 (NOT p3) p2), (AND p0 (NOT p3)), (AND p0 (NOT p3) p1)]
RANDOM walk for 40000 steps (2192 resets) in 119 ms. (333 steps per ms) remains 1/8 properties
BEST_FIRST walk for 40004 steps (570 resets) in 39 ms. (1000 steps per ms) remains 1/1 properties
[2025-06-02 10:39:28] [INFO ] Flow matrix only has 281 transitions (discarded 26 similar events)
[2025-06-02 10:39:28] [INFO ] Invariant cache hit.
[2025-06-02 10:39:28] [INFO ] State equation strengthened by 40 read => feed constraints.
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/2 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 1 (OVERLAPS) 52/54 variables, 2/2 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/54 variables, 0/2 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (OVERLAPS) 54/108 variables, 4/6 constraints. Problems are: Problem set: 0 solved, 1 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 10:39:28] [INFO ] Deduced a trap composed of 15 places in 163 ms of which 19 ms to minimize.
At refinement iteration 4 (INCLUDED_ONLY) 0/108 variables, 1/7 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/108 variables, 0/7 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (OVERLAPS) 280/388 variables, 108/115 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/388 variables, 39/154 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/388 variables, 0/154 constraints. Problems are: Problem set: 0 solved, 1 unsolved
All remaining problems are real, not stopping.
At refinement iteration 9 (OVERLAPS) 5/393 variables, 5/159 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/393 variables, 0/159 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 11 (OVERLAPS) 1/394 variables, 1/160 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 12 (INCLUDED_ONLY) 0/394 variables, 0/160 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 13 (OVERLAPS) 0/394 variables, 0/160 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Real declared 394/394 variables, and 160 constraints, problems are : Problem set: 0 solved, 1 unsolved in 406 ms.
Refiners :[Positive P Invariants (semi-flows): 6/6 constraints, State Equation: 113/113 constraints, ReadFeed: 40/40 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 1/1 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 1 unsolved
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/2 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 1 (OVERLAPS) 52/54 variables, 2/2 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/54 variables, 0/2 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (OVERLAPS) 54/108 variables, 4/6 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/108 variables, 1/7 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/108 variables, 0/7 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (OVERLAPS) 280/388 variables, 108/115 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/388 variables, 39/154 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/388 variables, 1/155 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/388 variables, 0/155 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (OVERLAPS) 5/393 variables, 5/160 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/393 variables, 0/160 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 12 (OVERLAPS) 1/394 variables, 1/161 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 13 (INCLUDED_ONLY) 0/394 variables, 0/161 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 14 (OVERLAPS) 0/394 variables, 0/161 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Int declared 394/394 variables, and 161 constraints, problems are : Problem set: 0 solved, 1 unsolved in 396 ms.
Refiners :[Positive P Invariants (semi-flows): 6/6 constraints, State Equation: 113/113 constraints, ReadFeed: 40/40 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 1/1 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 810ms problems are : Problem set: 0 solved, 1 unsolved
Parikh walk visited 0 properties in 26 ms.
Support contains 2 out of 113 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 113/113 places, 307/307 transitions.
Drop transitions (Empty/Sink Transition effects.) removed 3 transitions
Reduce isomorphic transitions removed 3 transitions.
Iterating post reduction 0 with 3 rules applied. Total rules applied 3 place count 113 transition count 304
Performed 1 Post agglomeration using F-continuation condition.Transition count delta: 1
Deduced a syphon composed of 1 places in 0 ms
Reduce places removed 1 places and 0 transitions.
Iterating global reduction 1 with 2 rules applied. Total rules applied 5 place count 112 transition count 303
Performed 2 Post agglomeration using F-continuation condition.Transition count delta: -4
Deduced a syphon composed of 2 places in 0 ms
Reduce places removed 2 places and 0 transitions.
Iterating global reduction 1 with 4 rules applied. Total rules applied 9 place count 110 transition count 307
Drop transitions (Empty/Sink Transition effects.) removed 4 transitions
Reduce isomorphic transitions removed 4 transitions.
Iterating post reduction 1 with 4 rules applied. Total rules applied 13 place count 110 transition count 303
Drop transitions (Redundant composition of simpler transitions.) removed 2 transitions
Redundant transition composition rules discarded 2 transitions
Iterating global reduction 2 with 2 rules applied. Total rules applied 15 place count 110 transition count 301
Free-agglomeration rule (complex) applied 3 times.
Iterating global reduction 2 with 3 rules applied. Total rules applied 18 place count 110 transition count 301
Reduce places removed 3 places and 0 transitions.
Drop transitions (Empty/Sink Transition effects.) removed 2 transitions
Reduce isomorphic transitions removed 2 transitions.
Iterating post reduction 2 with 5 rules applied. Total rules applied 23 place count 107 transition count 299
Drop transitions (Redundant composition of simpler transitions.) removed 2 transitions
Redundant transition composition rules discarded 2 transitions
Iterating global reduction 3 with 2 rules applied. Total rules applied 25 place count 107 transition count 297
Reduce places removed 1 places and 1 transitions.
Iterating global reduction 3 with 1 rules applied. Total rules applied 26 place count 106 transition count 296
Applied a total of 26 rules in 37 ms. Remains 106 /113 variables (removed 7) and now considering 296/307 (removed 11) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 38 ms. Remains : 106/113 places, 296/307 transitions.
RANDOM walk for 40000 steps (2311 resets) in 110 ms. (360 steps per ms) remains 1/1 properties
BEST_FIRST walk for 40003 steps (587 resets) in 40 ms. (975 steps per ms) remains 1/1 properties
Finished probabilistic random walk after 574 steps, run visited all 1 properties in 8 ms. (steps per millisecond=71 )
Probabilistic random walk after 574 steps, saw 363 distinct states, run finished after 8 ms. (steps per millisecond=71 ) properties seen :1
Knowledge obtained : [(AND (NOT p1) (NOT p0) p3 (NOT p2)), (X (X p3)), (X (X (NOT (AND p0 (NOT p3))))), (X (X (NOT p0))), (X (X (NOT p1)))]
False Knowledge obtained : [(F (NOT (AND (NOT p0) (NOT p1)))), (F (NOT (OR (NOT p0) (NOT p2)))), (F p0), (F (NOT (OR (NOT p0) (NOT p3)))), (F p2), (F (NOT (OR (NOT p0) p3))), (F (NOT p3)), (F p1)]
Knowledge based reduction with 5 factoid took 434 ms. Reduced automaton from 12 states, 24 edges and 4 AP (stutter sensitive) to 12 states, 24 edges and 4 AP (stutter sensitive).
Stuttering acceptance computed with spot in 591 ms :[(OR (AND p0 p1 (NOT p3)) (AND p0 p2 (NOT p3))), (OR (AND p0 p1 (NOT p3)) (AND p0 p2 (NOT p3))), (AND p0 p2), (OR (AND p0 p1 (NOT p3)) (AND p0 p2 (NOT p3))), (AND p0 (NOT p3) p1), (AND p0 p2), (AND p0 (NOT p3)), (AND p0 (NOT p3)), p0, (AND p0 (NOT p3) p2), (AND p0 (NOT p3)), (AND p0 (NOT p3) p1)]
Stuttering acceptance computed with spot in 603 ms :[(OR (AND p0 p1 (NOT p3)) (AND p0 p2 (NOT p3))), (OR (AND p0 p1 (NOT p3)) (AND p0 p2 (NOT p3))), (AND p0 p2), (OR (AND p0 p1 (NOT p3)) (AND p0 p2 (NOT p3))), (AND p0 (NOT p3) p1), (AND p0 p2), (AND p0 (NOT p3)), (AND p0 (NOT p3)), p0, (AND p0 (NOT p3) p2), (AND p0 (NOT p3)), (AND p0 (NOT p3) p1)]
Stuttering acceptance computed with spot in 572 ms :[(OR (AND p0 p1 (NOT p3)) (AND p0 p2 (NOT p3))), (OR (AND p0 p1 (NOT p3)) (AND p0 p2 (NOT p3))), (AND p0 p2), (OR (AND p0 p1 (NOT p3)) (AND p0 p2 (NOT p3))), (AND p0 (NOT p3) p1), (AND p0 p2), (AND p0 (NOT p3)), (AND p0 (NOT p3)), p0, (AND p0 (NOT p3) p2), (AND p0 (NOT p3)), (AND p0 (NOT p3) p1)]
Product exploration explored 100000 steps with 20021 reset in 227 ms.
Product exploration explored 100000 steps with 19997 reset in 256 ms.
Applying partial POR strategy [false, false, true, false, false, true, false, true, true, true, true, false]
Stuttering acceptance computed with spot in 635 ms :[(OR (AND p0 p1 (NOT p3)) (AND p0 p2 (NOT p3))), (OR (AND p0 p1 (NOT p3)) (AND p0 p2 (NOT p3))), (AND p0 p2), (OR (AND p0 p1 (NOT p3)) (AND p0 p2 (NOT p3))), (AND p0 (NOT p3) p1), (AND p0 p2), (AND p0 (NOT p3)), (AND p0 (NOT p3)), p0, (AND p0 (NOT p3) p2), (AND p0 (NOT p3)), (AND p0 (NOT p3) p1)]
Support contains 6 out of 113 places. Attempting structural reductions.
Starting structural reductions in SI_LTL mode, iteration 0 : 113/113 places, 307/307 transitions.
Performed 1 Post agglomeration using F-continuation condition.Transition count delta: 0
Deduced a syphon composed of 1 places in 0 ms
Iterating global reduction 0 with 1 rules applied. Total rules applied 1 place count 113 transition count 307
Deduced a syphon composed of 1 places in 0 ms
Applied a total of 1 rules in 10 ms. Remains 113 /113 variables (removed 0) and now considering 307/307 (removed 0) transitions.
Starting Z3 with timeout 200.0 s and query timeout 20000.0 ms
[2025-06-02 10:39:33] [INFO ] Redundant transitions in 6 ms returned []
Running 306 sub problems to find dead transitions.
[2025-06-02 10:39:33] [INFO ] Flow matrix only has 281 transitions (discarded 26 similar events)
// Phase 1: matrix 281 rows 113 cols
[2025-06-02 10:39:33] [INFO ] Computed 6 invariants in 2 ms
[2025-06-02 10:39:33] [INFO ] State equation strengthened by 40 read => feed constraints.
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/112 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 306 unsolved
At refinement iteration 1 (OVERLAPS) 1/113 variables, 6/6 constraints. Problems are: Problem set: 0 solved, 306 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 10:39:36] [INFO ] Deduced a trap composed of 38 places in 136 ms of which 18 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 10:39:36] [INFO ] Deduced a trap composed of 35 places in 87 ms of which 7 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 10:39:36] [INFO ] Deduced a trap composed of 15 places in 151 ms of which 16 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 10:39:37] [INFO ] Deduced a trap composed of 22 places in 135 ms of which 23 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 10:39:38] [INFO ] Deduced a trap composed of 5 places in 54 ms of which 4 ms to minimize.
Problem TDEAD304 is UNSAT
At refinement iteration 2 (INCLUDED_ONLY) 0/113 variables, 5/11 constraints. Problems are: Problem set: 1 solved, 305 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/113 variables, 0/11 constraints. Problems are: Problem set: 1 solved, 305 unsolved
At refinement iteration 4 (OVERLAPS) 280/393 variables, 113/124 constraints. Problems are: Problem set: 1 solved, 305 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/393 variables, 39/163 constraints. Problems are: Problem set: 1 solved, 305 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/393 variables, 0/163 constraints. Problems are: Problem set: 1 solved, 305 unsolved
At refinement iteration 7 (OVERLAPS) 1/394 variables, 1/164 constraints. Problems are: Problem set: 1 solved, 305 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/394 variables, 0/164 constraints. Problems are: Problem set: 1 solved, 305 unsolved
At refinement iteration 9 (OVERLAPS) 0/394 variables, 0/164 constraints. Problems are: Problem set: 1 solved, 305 unsolved
No progress, stopping.
After SMT solving in domain Real declared 394/394 variables, and 164 constraints, problems are : Problem set: 1 solved, 305 unsolved in 23961 ms.
Refiners :[Positive P Invariants (semi-flows): 6/6 constraints, State Equation: 113/113 constraints, ReadFeed: 40/40 constraints, PredecessorRefiner: 306/306 constraints, Known Traps: 5/5 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 1 solved, 305 unsolved
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/111 variables, 0/0 constraints. Problems are: Problem set: 1 solved, 305 unsolved
At refinement iteration 1 (OVERLAPS) 2/113 variables, 6/6 constraints. Problems are: Problem set: 1 solved, 305 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/113 variables, 5/11 constraints. Problems are: Problem set: 1 solved, 305 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/113 variables, 0/11 constraints. Problems are: Problem set: 1 solved, 305 unsolved
At refinement iteration 4 (OVERLAPS) 280/393 variables, 113/124 constraints. Problems are: Problem set: 1 solved, 305 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/393 variables, 39/163 constraints. Problems are: Problem set: 1 solved, 305 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/393 variables, 305/468 constraints. Problems are: Problem set: 1 solved, 305 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 10:40:07] [INFO ] Deduced a trap composed of 17 places in 62 ms of which 6 ms to minimize.
At refinement iteration 7 (INCLUDED_ONLY) 0/393 variables, 1/469 constraints. Problems are: Problem set: 1 solved, 305 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 10:40:25] [INFO ] Deduced a trap composed of 17 places in 44 ms of which 3 ms to minimize.
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 393/394 variables, and 470 constraints, problems are : Problem set: 1 solved, 305 unsolved in 30017 ms.
Refiners :[Positive P Invariants (semi-flows): 6/6 constraints, State Equation: 113/113 constraints, ReadFeed: 39/40 constraints, PredecessorRefiner: 305/306 constraints, Known Traps: 7/7 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 54084ms problems are : Problem set: 1 solved, 305 unsolved
Search for dead transitions found 1 dead transitions in 54085ms
Found 1 dead transitions using SMT.
Drop transitions (Dead Transitions using SMT only with invariants) removed 1 transitions
Dead transitions reduction (with SMT) removed 1 transitions
Starting structural reductions in SI_LTL mode, iteration 1 : 113/113 places, 306/307 transitions.
Graph (complete) has 594 edges and 113 vertex of which 112 are kept as prefixes of interest. Removing 1 places using SCC suffix rule.2 ms
Discarding 1 places :
Also discarding 0 output transitions
Applied a total of 1 rules in 16 ms. Remains 112 /113 variables (removed 1) and now considering 306/306 (removed 0) transitions.
Starting structural reductions in SI_LTL mode, iteration 2 : 112/113 places, 306/307 transitions.
Finished structural reductions in SI_LTL mode , in 2 iterations and 54127 ms. Remains : 112/113 places, 306/307 transitions.
Built C files in :
/tmp/ltsmin8936306346957639352
[2025-06-02 10:40:27] [INFO ] Built C files in 21ms conformant to PINS (ltsmin variant)in folder :/tmp/ltsmin8936306346957639352
Running compilation step : cd /tmp/ltsmin8936306346957639352;'/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 1003 ms.
Running link step : cd /tmp/ltsmin8936306346957639352;'gcc' '-shared' '-o' 'gal.so' 'model.o'
Link finished in 59 ms.
Running LTSmin : cd /tmp/ltsmin8936306346957639352;'/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/stateBased6638778507737507102.hoa' '--buchi-type=spotba'
LTSmin run took 2153 ms.
FORMULA FireWire-PT-10-LTLFireability-06 FALSE TECHNIQUES EXPLICIT LTSMIN SAT_SMT
Treatment of property FireWire-PT-10-LTLFireability-06 finished in 127754 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 5 out of 127 places. Attempting structural reductions.
Starting structural reductions in SI_LTL mode, iteration 0 : 127/127 places, 338/338 transitions.
Reduce places removed 1 places and 1 transitions.
Discarding 1 places :
Symmetric choice reduction at 0 with 1 rule applications. Total rules 1 place count 125 transition count 335
Iterating global reduction 0 with 1 rules applied. Total rules applied 2 place count 125 transition count 335
Discarding 1 places :
Symmetric choice reduction at 0 with 1 rule applications. Total rules 3 place count 124 transition count 332
Iterating global reduction 0 with 1 rules applied. Total rules applied 4 place count 124 transition count 332
Discarding 1 places :
Symmetric choice reduction at 0 with 1 rule applications. Total rules 5 place count 123 transition count 330
Iterating global reduction 0 with 1 rules applied. Total rules applied 6 place count 123 transition count 330
Discarding 1 places :
Symmetric choice reduction at 0 with 1 rule applications. Total rules 7 place count 122 transition count 327
Iterating global reduction 0 with 1 rules applied. Total rules applied 8 place count 122 transition count 327
Discarding 1 places :
Symmetric choice reduction at 0 with 1 rule applications. Total rules 9 place count 121 transition count 325
Iterating global reduction 0 with 1 rules applied. Total rules applied 10 place count 121 transition count 325
Discarding 1 places :
Symmetric choice reduction at 0 with 1 rule applications. Total rules 11 place count 120 transition count 322
Iterating global reduction 0 with 1 rules applied. Total rules applied 12 place count 120 transition count 322
Discarding 1 places :
Symmetric choice reduction at 0 with 1 rule applications. Total rules 13 place count 119 transition count 320
Iterating global reduction 0 with 1 rules applied. Total rules applied 14 place count 119 transition count 320
Discarding 1 places :
Symmetric choice reduction at 0 with 1 rule applications. Total rules 15 place count 118 transition count 317
Iterating global reduction 0 with 1 rules applied. Total rules applied 16 place count 118 transition count 317
Discarding 1 places :
Symmetric choice reduction at 0 with 1 rule applications. Total rules 17 place count 117 transition count 315
Iterating global reduction 0 with 1 rules applied. Total rules applied 18 place count 117 transition count 315
Discarding 1 places :
Symmetric choice reduction at 0 with 1 rule applications. Total rules 19 place count 116 transition count 312
Iterating global reduction 0 with 1 rules applied. Total rules applied 20 place count 116 transition count 312
Discarding 1 places :
Symmetric choice reduction at 0 with 1 rule applications. Total rules 21 place count 115 transition count 310
Iterating global reduction 0 with 1 rules applied. Total rules applied 22 place count 115 transition count 310
Discarding 1 places :
Symmetric choice reduction at 0 with 1 rule applications. Total rules 23 place count 114 transition count 308
Iterating global reduction 0 with 1 rules applied. Total rules applied 24 place count 114 transition count 308
Discarding 1 places :
Symmetric choice reduction at 0 with 1 rule applications. Total rules 25 place count 113 transition count 306
Iterating global reduction 0 with 1 rules applied. Total rules applied 26 place count 113 transition count 306
Performed 1 Post agglomeration using F-continuation condition.Transition count delta: 1
Deduced a syphon composed of 1 places in 0 ms
Reduce places removed 1 places and 0 transitions.
Iterating global reduction 0 with 2 rules applied. Total rules applied 28 place count 112 transition count 305
Performed 3 Post agglomeration using F-continuation condition.Transition count delta: -6
Deduced a syphon composed of 3 places in 1 ms
Reduce places removed 3 places and 0 transitions.
Iterating global reduction 0 with 6 rules applied. Total rules applied 34 place count 109 transition count 311
Drop transitions (Redundant composition of simpler transitions.) removed 6 transitions
Redundant transition composition rules discarded 6 transitions
Iterating global reduction 0 with 6 rules applied. Total rules applied 40 place count 109 transition count 305
Applied a total of 40 rules in 47 ms. Remains 109 /127 variables (removed 18) and now considering 305/338 (removed 33) transitions.
[2025-06-02 10:40:30] [INFO ] Flow matrix only has 272 transitions (discarded 33 similar events)
// Phase 1: matrix 272 rows 109 cols
[2025-06-02 10:40:30] [INFO ] Computed 7 invariants in 1 ms
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-02 10:40:30] [INFO ] Implicit Places using invariants in 110 ms returned []
[2025-06-02 10:40:30] [INFO ] Flow matrix only has 272 transitions (discarded 33 similar events)
[2025-06-02 10:40:30] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-02 10:40:31] [INFO ] State equation strengthened by 40 read => feed constraints.
[2025-06-02 10:40:31] [INFO ] Implicit Places using invariants and state equation in 342 ms returned []
Implicit Place search using SMT with State Equation took 454 ms to find 0 implicit places.
Starting Z3 with timeout 200.0 s and query timeout 20000.0 ms
[2025-06-02 10:40:31] [INFO ] Redundant transitions in 5 ms returned []
Running 302 sub problems to find dead transitions.
[2025-06-02 10:40:31] [INFO ] Flow matrix only has 272 transitions (discarded 33 similar events)
[2025-06-02 10:40:31] [INFO ] Invariant cache hit.
[2025-06-02 10:40:31] [INFO ] State equation strengthened by 40 read => feed constraints.
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/108 variables, 7/7 constraints. Problems are: Problem set: 0 solved, 302 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 10:40:33] [INFO ] Deduced a trap composed of 37 places in 151 ms of which 10 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 10:40:33] [INFO ] Deduced a trap composed of 15 places in 145 ms of which 10 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 10:40:33] [INFO ] Deduced a trap composed of 21 places in 98 ms of which 12 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 10:40:33] [INFO ] Deduced a trap composed of 20 places in 42 ms of which 3 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 10:40:33] [INFO ] Deduced a trap composed of 33 places in 49 ms of which 3 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 10:40:34] [INFO ] Deduced a trap composed of 15 places in 144 ms of which 8 ms to minimize.
At refinement iteration 1 (INCLUDED_ONLY) 0/108 variables, 6/13 constraints. Problems are: Problem set: 0 solved, 302 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/108 variables, 0/13 constraints. Problems are: Problem set: 0 solved, 302 unsolved
At refinement iteration 3 (OVERLAPS) 271/379 variables, 108/121 constraints. Problems are: Problem set: 0 solved, 302 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/379 variables, 40/161 constraints. Problems are: Problem set: 0 solved, 302 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/379 variables, 0/161 constraints. Problems are: Problem set: 0 solved, 302 unsolved
At refinement iteration 6 (OVERLAPS) 1/380 variables, 1/162 constraints. Problems are: Problem set: 0 solved, 302 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/380 variables, 0/162 constraints. Problems are: Problem set: 0 solved, 302 unsolved
At refinement iteration 8 (OVERLAPS) 0/380 variables, 0/162 constraints. Problems are: Problem set: 0 solved, 302 unsolved
No progress, stopping.
After SMT solving in domain Real declared 380/381 variables, and 162 constraints, problems are : Problem set: 0 solved, 302 unsolved in 27156 ms.
Refiners :[Positive P Invariants (semi-flows): 7/7 constraints, State Equation: 109/109 constraints, ReadFeed: 40/40 constraints, PredecessorRefiner: 302/302 constraints, Known Traps: 6/6 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 302 unsolved
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/108 variables, 7/7 constraints. Problems are: Problem set: 0 solved, 302 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/108 variables, 6/13 constraints. Problems are: Problem set: 0 solved, 302 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/108 variables, 0/13 constraints. Problems are: Problem set: 0 solved, 302 unsolved
At refinement iteration 3 (OVERLAPS) 271/379 variables, 108/121 constraints. Problems are: Problem set: 0 solved, 302 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/379 variables, 40/161 constraints. Problems are: Problem set: 0 solved, 302 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/379 variables, 302/463 constraints. Problems are: Problem set: 0 solved, 302 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 10:41:04] [INFO ] Deduced a trap composed of 32 places in 64 ms of which 4 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 10:41:07] [INFO ] Deduced a trap composed of 15 places in 54 ms of which 4 ms to minimize.
At refinement iteration 6 (INCLUDED_ONLY) 0/379 variables, 2/465 constraints. Problems are: Problem set: 0 solved, 302 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 10:41:13] [INFO ] Deduced a trap composed of 15 places in 42 ms of which 3 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 10:41:13] [INFO ] Deduced a trap composed of 15 places in 91 ms of which 5 ms to minimize.
At refinement iteration 7 (INCLUDED_ONLY) 0/379 variables, 2/467 constraints. Problems are: Problem set: 0 solved, 302 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 10:41:25] [INFO ] Deduced a trap along path composed of 2 places in 36 ms of which 2 ms to minimize.
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 379/381 variables, and 468 constraints, problems are : Problem set: 0 solved, 302 unsolved in 30019 ms.
Refiners :[Positive P Invariants (semi-flows): 7/7 constraints, State Equation: 108/109 constraints, ReadFeed: 40/40 constraints, PredecessorRefiner: 302/302 constraints, Known Traps: 10/10 constraints, Known Traps Along Path: 1/1 constraints]
After SMT, in 57274ms problems are : Problem set: 0 solved, 302 unsolved
Search for dead transitions found 0 dead transitions in 57276ms
Starting structural reductions in SI_LTL mode, iteration 1 : 109/127 places, 305/338 transitions.
Finished structural reductions in SI_LTL mode , in 1 iterations and 57792 ms. Remains : 109/127 places, 305/338 transitions.
Stuttering acceptance computed with spot in 46 ms :[p0]
Running random walk in product with property : FireWire-PT-10-LTLFireability-07
Stuttering criterion allowed to conclude after 0 steps with 0 reset in 0 ms.
FORMULA FireWire-PT-10-LTLFireability-07 FALSE TECHNIQUES STUTTER_TEST
Treatment of property FireWire-PT-10-LTLFireability-07 finished in 57853 ms.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202505121319/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!((X(!(((p0 U p1)&&!p2) U p0))&&F(p3)))'
Support contains 7 out of 127 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 127/127 places, 338/338 transitions.
Applied a total of 0 rules in 2 ms. Remains 127 /127 variables (removed 0) and now considering 338/338 (removed 0) transitions.
[2025-06-02 10:41:28] [INFO ] Flow matrix only has 312 transitions (discarded 26 similar events)
// Phase 1: matrix 312 rows 127 cols
[2025-06-02 10:41:28] [INFO ] Computed 7 invariants in 2 ms
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-02 10:41:28] [INFO ] Implicit Places using invariants in 177 ms returned []
[2025-06-02 10:41:28] [INFO ] Flow matrix only has 312 transitions (discarded 26 similar events)
[2025-06-02 10:41:28] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-02 10:41:29] [INFO ] State equation strengthened by 45 read => feed constraints.
[2025-06-02 10:41:29] [INFO ] Implicit Places using invariants and state equation in 486 ms returned [37]
Discarding 1 places :
Implicit Place search using SMT with State Equation took 665 ms to find 1 implicit places.
Starting structural reductions in LTL mode, iteration 1 : 126/127 places, 338/338 transitions.
Applied a total of 0 rules in 4 ms. Remains 126 /126 variables (removed 0) and now considering 338/338 (removed 0) transitions.
Finished structural reductions in LTL mode , in 2 iterations and 671 ms. Remains : 126/127 places, 338/338 transitions.
Stuttering acceptance computed with spot in 190 ms :[(OR (NOT p3) p0), p0, (NOT p3), true]
Running random walk in product with property : FireWire-PT-10-LTLFireability-09
Product exploration explored 100000 steps with 50000 reset in 135 ms.
Product exploration explored 100000 steps with 50000 reset in 148 ms.
Computed a total of 23 stabilizing places and 48 stable transitions
Computed a total of 23 stabilizing places and 48 stable transitions
Detected a total of 23/126 stabilizing places and 48/338 transitions leading to convergence knowledge of the form 'F(Gp|G!p)' for 1/4 atomic propositions.
Knowledge obtained : [(AND p3 (NOT p2) (NOT p0) (NOT p1)), (X (NOT (AND (NOT p2) (NOT p0) p1))), (X (NOT p2)), (X p3), (X (NOT p0)), (X (NOT p1)), (X (X (NOT (AND (NOT p2) (NOT p0) p1)))), (X (X (NOT p2))), (X (X p3)), (X (X (NOT p0))), (X (X (NOT p1))), (F (OR (G p2) (G (NOT p2))))]
False Knowledge obtained : []
Property proved to be true thanks to knowledge (Minato strategy)
Knowledge based reduction with 12 factoid took 22 ms. Reduced automaton from 4 states, 6 edges and 4 AP (stutter sensitive) to 1 states, 0 edges and 0 AP (stutter insensitive).
FORMULA FireWire-PT-10-LTLFireability-09 TRUE TECHNIQUES KNOWLEDGE
Treatment of property FireWire-PT-10-LTLFireability-09 finished in 1193 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 4 out of 127 places. Attempting structural reductions.
Starting structural reductions in SI_LTL mode, iteration 0 : 127/127 places, 338/338 transitions.
Discarding 1 places :
Symmetric choice reduction at 0 with 1 rule applications. Total rules 1 place count 126 transition count 336
Iterating global reduction 0 with 1 rules applied. Total rules applied 2 place count 126 transition count 336
Discarding 1 places :
Symmetric choice reduction at 0 with 1 rule applications. Total rules 3 place count 125 transition count 333
Iterating global reduction 0 with 1 rules applied. Total rules applied 4 place count 125 transition count 333
Discarding 1 places :
Symmetric choice reduction at 0 with 1 rule applications. Total rules 5 place count 124 transition count 331
Iterating global reduction 0 with 1 rules applied. Total rules applied 6 place count 124 transition count 331
Discarding 1 places :
Symmetric choice reduction at 0 with 1 rule applications. Total rules 7 place count 123 transition count 328
Iterating global reduction 0 with 1 rules applied. Total rules applied 8 place count 123 transition count 328
Discarding 1 places :
Symmetric choice reduction at 0 with 1 rule applications. Total rules 9 place count 122 transition count 326
Iterating global reduction 0 with 1 rules applied. Total rules applied 10 place count 122 transition count 326
Discarding 1 places :
Symmetric choice reduction at 0 with 1 rule applications. Total rules 11 place count 121 transition count 323
Iterating global reduction 0 with 1 rules applied. Total rules applied 12 place count 121 transition count 323
Discarding 1 places :
Symmetric choice reduction at 0 with 1 rule applications. Total rules 13 place count 120 transition count 321
Iterating global reduction 0 with 1 rules applied. Total rules applied 14 place count 120 transition count 321
Discarding 1 places :
Symmetric choice reduction at 0 with 1 rule applications. Total rules 15 place count 119 transition count 318
Iterating global reduction 0 with 1 rules applied. Total rules applied 16 place count 119 transition count 318
Discarding 1 places :
Symmetric choice reduction at 0 with 1 rule applications. Total rules 17 place count 118 transition count 316
Iterating global reduction 0 with 1 rules applied. Total rules applied 18 place count 118 transition count 316
Discarding 1 places :
Symmetric choice reduction at 0 with 1 rule applications. Total rules 19 place count 117 transition count 313
Iterating global reduction 0 with 1 rules applied. Total rules applied 20 place count 117 transition count 313
Discarding 1 places :
Symmetric choice reduction at 0 with 1 rule applications. Total rules 21 place count 116 transition count 311
Iterating global reduction 0 with 1 rules applied. Total rules applied 22 place count 116 transition count 311
Discarding 1 places :
Symmetric choice reduction at 0 with 1 rule applications. Total rules 23 place count 115 transition count 309
Iterating global reduction 0 with 1 rules applied. Total rules applied 24 place count 115 transition count 309
Discarding 1 places :
Symmetric choice reduction at 0 with 1 rule applications. Total rules 25 place count 114 transition count 307
Iterating global reduction 0 with 1 rules applied. Total rules applied 26 place count 114 transition count 307
Performed 1 Post agglomeration using F-continuation condition.Transition count delta: 1
Deduced a syphon composed of 1 places in 0 ms
Reduce places removed 1 places and 0 transitions.
Iterating global reduction 0 with 2 rules applied. Total rules applied 28 place count 113 transition count 306
Performed 3 Post agglomeration using F-continuation condition.Transition count delta: -6
Deduced a syphon composed of 3 places in 0 ms
Reduce places removed 3 places and 0 transitions.
Iterating global reduction 0 with 6 rules applied. Total rules applied 34 place count 110 transition count 312
Drop transitions (Redundant composition of simpler transitions.) removed 6 transitions
Redundant transition composition rules discarded 6 transitions
Iterating global reduction 0 with 6 rules applied. Total rules applied 40 place count 110 transition count 306
Applied a total of 40 rules in 37 ms. Remains 110 /127 variables (removed 17) and now considering 306/338 (removed 32) transitions.
[2025-06-02 10:41:29] [INFO ] Flow matrix only has 273 transitions (discarded 33 similar events)
// Phase 1: matrix 273 rows 110 cols
[2025-06-02 10:41:29] [INFO ] Computed 7 invariants in 1 ms
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-02 10:41:29] [INFO ] Implicit Places using invariants in 91 ms returned []
[2025-06-02 10:41:29] [INFO ] Flow matrix only has 273 transitions (discarded 33 similar events)
[2025-06-02 10:41:29] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-02 10:41:30] [INFO ] State equation strengthened by 42 read => feed constraints.
[2025-06-02 10:41:30] [INFO ] Implicit Places using invariants and state equation in 320 ms returned [36]
Discarding 1 places :
Implicit Place search using SMT with State Equation took 414 ms to find 1 implicit places.
Starting structural reductions in SI_LTL mode, iteration 1 : 109/127 places, 306/338 transitions.
Applied a total of 0 rules in 5 ms. Remains 109 /109 variables (removed 0) and now considering 306/306 (removed 0) transitions.
Finished structural reductions in SI_LTL mode , in 2 iterations and 457 ms. Remains : 109/127 places, 306/338 transitions.
Stuttering acceptance computed with spot in 64 ms :[(NOT p1), (NOT p0)]
Running random walk in product with property : FireWire-PT-10-LTLFireability-10
Stuttering criterion allowed to conclude after 1 steps with 0 reset in 0 ms.
FORMULA FireWire-PT-10-LTLFireability-10 FALSE TECHNIQUES STUTTER_TEST
Treatment of property FireWire-PT-10-LTLFireability-10 finished in 540 ms.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202505121319/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!((X(X(X(((p0 U p1) U p2))))&&F(p3)))'
Support contains 6 out of 127 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 127/127 places, 338/338 transitions.
Discarding 1 places :
Symmetric choice reduction at 0 with 1 rule applications. Total rules 1 place count 126 transition count 336
Iterating global reduction 0 with 1 rules applied. Total rules applied 2 place count 126 transition count 336
Discarding 1 places :
Symmetric choice reduction at 0 with 1 rule applications. Total rules 3 place count 125 transition count 333
Iterating global reduction 0 with 1 rules applied. Total rules applied 4 place count 125 transition count 333
Applied a total of 4 rules in 5 ms. Remains 125 /127 variables (removed 2) and now considering 333/338 (removed 5) transitions.
[2025-06-02 10:41:30] [INFO ] Flow matrix only has 307 transitions (discarded 26 similar events)
// Phase 1: matrix 307 rows 125 cols
[2025-06-02 10:41:30] [INFO ] Computed 7 invariants in 3 ms
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-02 10:41:30] [INFO ] Implicit Places using invariants in 156 ms returned []
[2025-06-02 10:41:30] [INFO ] Flow matrix only has 307 transitions (discarded 26 similar events)
[2025-06-02 10:41:30] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-02 10:41:30] [INFO ] State equation strengthened by 44 read => feed constraints.
[2025-06-02 10:41:30] [INFO ] Implicit Places using invariants and state equation in 444 ms returned [37]
Discarding 1 places :
Implicit Place search using SMT with State Equation took 602 ms to find 1 implicit places.
Starting structural reductions in LTL mode, iteration 1 : 124/127 places, 333/338 transitions.
Applied a total of 0 rules in 2 ms. Remains 124 /124 variables (removed 0) and now considering 333/333 (removed 0) transitions.
Finished structural reductions in LTL mode , in 2 iterations and 609 ms. Remains : 124/127 places, 333/338 transitions.
Stuttering acceptance computed with spot in 338 ms :[(OR (NOT p2) (NOT p3)), (NOT p2), (NOT p3), (NOT p2), (NOT p2), true, (NOT p1)]
Running random walk in product with property : FireWire-PT-10-LTLFireability-11
Stuttering criterion allowed to conclude after 1 steps with 0 reset in 1 ms.
FORMULA FireWire-PT-10-LTLFireability-11 FALSE TECHNIQUES STUTTER_TEST
Treatment of property FireWire-PT-10-LTLFireability-11 finished in 966 ms.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202505121319/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!(F(G(p0)))'
Support contains 2 out of 127 places. Attempting structural reductions.
Starting structural reductions in SI_LTL mode, iteration 0 : 127/127 places, 338/338 transitions.
Reduce places removed 1 places and 1 transitions.
Discarding 1 places :
Symmetric choice reduction at 0 with 1 rule applications. Total rules 1 place count 125 transition count 335
Iterating global reduction 0 with 1 rules applied. Total rules applied 2 place count 125 transition count 335
Discarding 1 places :
Symmetric choice reduction at 0 with 1 rule applications. Total rules 3 place count 124 transition count 332
Iterating global reduction 0 with 1 rules applied. Total rules applied 4 place count 124 transition count 332
Discarding 1 places :
Symmetric choice reduction at 0 with 1 rule applications. Total rules 5 place count 123 transition count 330
Iterating global reduction 0 with 1 rules applied. Total rules applied 6 place count 123 transition count 330
Discarding 1 places :
Symmetric choice reduction at 0 with 1 rule applications. Total rules 7 place count 122 transition count 327
Iterating global reduction 0 with 1 rules applied. Total rules applied 8 place count 122 transition count 327
Discarding 1 places :
Symmetric choice reduction at 0 with 1 rule applications. Total rules 9 place count 121 transition count 325
Iterating global reduction 0 with 1 rules applied. Total rules applied 10 place count 121 transition count 325
Discarding 1 places :
Symmetric choice reduction at 0 with 1 rule applications. Total rules 11 place count 120 transition count 322
Iterating global reduction 0 with 1 rules applied. Total rules applied 12 place count 120 transition count 322
Discarding 1 places :
Symmetric choice reduction at 0 with 1 rule applications. Total rules 13 place count 119 transition count 320
Iterating global reduction 0 with 1 rules applied. Total rules applied 14 place count 119 transition count 320
Discarding 1 places :
Symmetric choice reduction at 0 with 1 rule applications. Total rules 15 place count 118 transition count 317
Iterating global reduction 0 with 1 rules applied. Total rules applied 16 place count 118 transition count 317
Discarding 1 places :
Symmetric choice reduction at 0 with 1 rule applications. Total rules 17 place count 117 transition count 315
Iterating global reduction 0 with 1 rules applied. Total rules applied 18 place count 117 transition count 315
Discarding 1 places :
Symmetric choice reduction at 0 with 1 rule applications. Total rules 19 place count 116 transition count 312
Iterating global reduction 0 with 1 rules applied. Total rules applied 20 place count 116 transition count 312
Discarding 1 places :
Symmetric choice reduction at 0 with 1 rule applications. Total rules 21 place count 115 transition count 310
Iterating global reduction 0 with 1 rules applied. Total rules applied 22 place count 115 transition count 310
Discarding 1 places :
Symmetric choice reduction at 0 with 1 rule applications. Total rules 23 place count 114 transition count 308
Iterating global reduction 0 with 1 rules applied. Total rules applied 24 place count 114 transition count 308
Discarding 1 places :
Symmetric choice reduction at 0 with 1 rule applications. Total rules 25 place count 113 transition count 306
Iterating global reduction 0 with 1 rules applied. Total rules applied 26 place count 113 transition count 306
Performed 1 Post agglomeration using F-continuation condition.Transition count delta: 1
Deduced a syphon composed of 1 places in 0 ms
Reduce places removed 1 places and 0 transitions.
Iterating global reduction 0 with 2 rules applied. Total rules applied 28 place count 112 transition count 305
Performed 3 Post agglomeration using F-continuation condition.Transition count delta: -6
Deduced a syphon composed of 3 places in 0 ms
Reduce places removed 3 places and 0 transitions.
Iterating global reduction 0 with 6 rules applied. Total rules applied 34 place count 109 transition count 311
Drop transitions (Redundant composition of simpler transitions.) removed 6 transitions
Redundant transition composition rules discarded 6 transitions
Iterating global reduction 0 with 6 rules applied. Total rules applied 40 place count 109 transition count 305
Applied a total of 40 rules in 48 ms. Remains 109 /127 variables (removed 18) and now considering 305/338 (removed 33) transitions.
[2025-06-02 10:41:31] [INFO ] Flow matrix only has 272 transitions (discarded 33 similar events)
// Phase 1: matrix 272 rows 109 cols
[2025-06-02 10:41:31] [INFO ] Computed 7 invariants in 1 ms
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-02 10:41:31] [INFO ] Implicit Places using invariants in 165 ms returned []
[2025-06-02 10:41:31] [INFO ] Flow matrix only has 272 transitions (discarded 33 similar events)
[2025-06-02 10:41:31] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-02 10:41:31] [INFO ] State equation strengthened by 40 read => feed constraints.
[2025-06-02 10:41:31] [INFO ] Implicit Places using invariants and state equation in 368 ms returned [35]
Discarding 1 places :
Implicit Place search using SMT with State Equation took 536 ms to find 1 implicit places.
Starting structural reductions in SI_LTL mode, iteration 1 : 108/127 places, 305/338 transitions.
Applied a total of 0 rules in 4 ms. Remains 108 /108 variables (removed 0) and now considering 305/305 (removed 0) transitions.
Finished structural reductions in SI_LTL mode , in 2 iterations and 589 ms. Remains : 108/127 places, 305/338 transitions.
Stuttering acceptance computed with spot in 38 ms :[(NOT p0)]
Running random walk in product with property : FireWire-PT-10-LTLFireability-12
Stuttering criterion allowed to conclude after 0 steps with 0 reset in 0 ms.
FORMULA FireWire-PT-10-LTLFireability-12 FALSE TECHNIQUES STUTTER_TEST
Treatment of property FireWire-PT-10-LTLFireability-12 finished in 645 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)))'
Support contains 4 out of 127 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 127/127 places, 338/338 transitions.
Discarding 1 places :
Symmetric choice reduction at 0 with 1 rule applications. Total rules 1 place count 126 transition count 336
Iterating global reduction 0 with 1 rules applied. Total rules applied 2 place count 126 transition count 336
Discarding 1 places :
Symmetric choice reduction at 0 with 1 rule applications. Total rules 3 place count 125 transition count 333
Iterating global reduction 0 with 1 rules applied. Total rules applied 4 place count 125 transition count 333
Discarding 1 places :
Symmetric choice reduction at 0 with 1 rule applications. Total rules 5 place count 124 transition count 331
Iterating global reduction 0 with 1 rules applied. Total rules applied 6 place count 124 transition count 331
Discarding 1 places :
Symmetric choice reduction at 0 with 1 rule applications. Total rules 7 place count 123 transition count 328
Iterating global reduction 0 with 1 rules applied. Total rules applied 8 place count 123 transition count 328
Discarding 1 places :
Symmetric choice reduction at 0 with 1 rule applications. Total rules 9 place count 122 transition count 326
Iterating global reduction 0 with 1 rules applied. Total rules applied 10 place count 122 transition count 326
Discarding 1 places :
Symmetric choice reduction at 0 with 1 rule applications. Total rules 11 place count 121 transition count 323
Iterating global reduction 0 with 1 rules applied. Total rules applied 12 place count 121 transition count 323
Discarding 1 places :
Symmetric choice reduction at 0 with 1 rule applications. Total rules 13 place count 120 transition count 321
Iterating global reduction 0 with 1 rules applied. Total rules applied 14 place count 120 transition count 321
Discarding 1 places :
Symmetric choice reduction at 0 with 1 rule applications. Total rules 15 place count 119 transition count 318
Iterating global reduction 0 with 1 rules applied. Total rules applied 16 place count 119 transition count 318
Discarding 1 places :
Symmetric choice reduction at 0 with 1 rule applications. Total rules 17 place count 118 transition count 316
Iterating global reduction 0 with 1 rules applied. Total rules applied 18 place count 118 transition count 316
Discarding 1 places :
Symmetric choice reduction at 0 with 1 rule applications. Total rules 19 place count 117 transition count 313
Iterating global reduction 0 with 1 rules applied. Total rules applied 20 place count 117 transition count 313
Discarding 1 places :
Symmetric choice reduction at 0 with 1 rule applications. Total rules 21 place count 116 transition count 311
Iterating global reduction 0 with 1 rules applied. Total rules applied 22 place count 116 transition count 311
Discarding 1 places :
Symmetric choice reduction at 0 with 1 rule applications. Total rules 23 place count 115 transition count 309
Iterating global reduction 0 with 1 rules applied. Total rules applied 24 place count 115 transition count 309
Discarding 1 places :
Symmetric choice reduction at 0 with 1 rule applications. Total rules 25 place count 114 transition count 307
Iterating global reduction 0 with 1 rules applied. Total rules applied 26 place count 114 transition count 307
Applied a total of 26 rules in 12 ms. Remains 114 /127 variables (removed 13) and now considering 307/338 (removed 31) transitions.
[2025-06-02 10:41:31] [INFO ] Flow matrix only has 281 transitions (discarded 26 similar events)
// Phase 1: matrix 281 rows 114 cols
[2025-06-02 10:41:32] [INFO ] Computed 7 invariants in 1 ms
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-02 10:41:32] [INFO ] Implicit Places using invariants in 93 ms returned []
[2025-06-02 10:41:32] [INFO ] Flow matrix only has 281 transitions (discarded 26 similar events)
[2025-06-02 10:41:32] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-02 10:41:32] [INFO ] State equation strengthened by 40 read => feed constraints.
[2025-06-02 10:41:32] [INFO ] Implicit Places using invariants and state equation in 260 ms returned [37]
Discarding 1 places :
Implicit Place search using SMT with State Equation took 355 ms to find 1 implicit places.
Starting structural reductions in LTL mode, iteration 1 : 113/127 places, 307/338 transitions.
Applied a total of 0 rules in 1 ms. Remains 113 /113 variables (removed 0) and now considering 307/307 (removed 0) transitions.
Finished structural reductions in LTL mode , in 2 iterations and 368 ms. Remains : 113/127 places, 307/338 transitions.
Stuttering acceptance computed with spot in 157 ms :[true, (AND (NOT p1) (NOT p0)), (NOT p1), (AND (NOT p1) (NOT p0))]
Running random walk in product with property : FireWire-PT-10-LTLFireability-14
Product exploration explored 100000 steps with 50000 reset in 196 ms.
Product exploration explored 100000 steps with 50000 reset in 222 ms.
Computed a total of 10 stabilizing places and 17 stable transitions
Computed a total of 10 stabilizing places and 17 stable transitions
Knowledge obtained : [(AND p1 p0), (X (NOT (AND (NOT p0) (NOT p1)))), (X (NOT (AND (NOT p0) p1))), (X p0), (X p1), (X (X p1))]
False Knowledge obtained : []
Property proved to be true thanks to knowledge (Minato strategy)
Knowledge based reduction with 6 factoid took 18 ms. Reduced automaton from 4 states, 6 edges and 2 AP (stutter sensitive) to 1 states, 0 edges and 0 AP (stutter insensitive).
FORMULA FireWire-PT-10-LTLFireability-14 TRUE TECHNIQUES KNOWLEDGE
Treatment of property FireWire-PT-10-LTLFireability-14 finished in 984 ms.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202505121319/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!(X((X(X((F(p1)&&p0)))||G(p2))))'
Support contains 3 out of 127 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 127/127 places, 338/338 transitions.
Discarding 1 places :
Symmetric choice reduction at 0 with 1 rule applications. Total rules 1 place count 126 transition count 336
Iterating global reduction 0 with 1 rules applied. Total rules applied 2 place count 126 transition count 336
Discarding 1 places :
Symmetric choice reduction at 0 with 1 rule applications. Total rules 3 place count 125 transition count 333
Iterating global reduction 0 with 1 rules applied. Total rules applied 4 place count 125 transition count 333
Discarding 1 places :
Symmetric choice reduction at 0 with 1 rule applications. Total rules 5 place count 124 transition count 331
Iterating global reduction 0 with 1 rules applied. Total rules applied 6 place count 124 transition count 331
Discarding 1 places :
Symmetric choice reduction at 0 with 1 rule applications. Total rules 7 place count 123 transition count 328
Iterating global reduction 0 with 1 rules applied. Total rules applied 8 place count 123 transition count 328
Discarding 1 places :
Symmetric choice reduction at 0 with 1 rule applications. Total rules 9 place count 122 transition count 326
Iterating global reduction 0 with 1 rules applied. Total rules applied 10 place count 122 transition count 326
Discarding 1 places :
Symmetric choice reduction at 0 with 1 rule applications. Total rules 11 place count 121 transition count 323
Iterating global reduction 0 with 1 rules applied. Total rules applied 12 place count 121 transition count 323
Discarding 1 places :
Symmetric choice reduction at 0 with 1 rule applications. Total rules 13 place count 120 transition count 321
Iterating global reduction 0 with 1 rules applied. Total rules applied 14 place count 120 transition count 321
Applied a total of 14 rules in 12 ms. Remains 120 /127 variables (removed 7) and now considering 321/338 (removed 17) transitions.
[2025-06-02 10:41:32] [INFO ] Flow matrix only has 295 transitions (discarded 26 similar events)
// Phase 1: matrix 295 rows 120 cols
[2025-06-02 10:41:32] [INFO ] Computed 7 invariants in 1 ms
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-02 10:41:33] [INFO ] Implicit Places using invariants in 157 ms returned []
[2025-06-02 10:41:33] [INFO ] Flow matrix only has 295 transitions (discarded 26 similar events)
[2025-06-02 10:41:33] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-02 10:41:33] [INFO ] State equation strengthened by 42 read => feed constraints.
[2025-06-02 10:41:33] [INFO ] Implicit Places using invariants and state equation in 491 ms returned [37]
Discarding 1 places :
Implicit Place search using SMT with State Equation took 654 ms to find 1 implicit places.
Starting structural reductions in LTL mode, iteration 1 : 119/127 places, 321/338 transitions.
Applied a total of 0 rules in 1 ms. Remains 119 /119 variables (removed 0) and now considering 321/321 (removed 0) transitions.
Finished structural reductions in LTL mode , in 2 iterations and 668 ms. Remains : 119/127 places, 321/338 transitions.
Stuttering acceptance computed with spot in 489 ms :[(NOT p1), (OR (NOT p0) (NOT p1)), (OR (AND (NOT p1) (NOT p2)) (AND (NOT p0) (NOT p2))), (OR (AND (NOT p1) (NOT p2)) (AND (NOT p0) (NOT p2))), (OR (AND (NOT p0) (NOT p2)) (AND (NOT p1) (NOT p2))), (AND (NOT p1) (NOT p2)), (OR (NOT p0) (NOT p1)), true, (OR (AND (NOT p1) (NOT p2)) (AND (NOT p0) (NOT p2))), (NOT p2)]
Running random walk in product with property : FireWire-PT-10-LTLFireability-15
Stuttering criterion allowed to conclude after 1 steps with 0 reset in 0 ms.
FORMULA FireWire-PT-10-LTLFireability-15 FALSE TECHNIQUES STUTTER_TEST
Treatment of property FireWire-PT-10-LTLFireability-15 finished in 1183 ms.
All properties solved by simple procedures.
Total runtime 329557 ms.
BK_STOP 1748860894206
--------------------
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
++ perl -pe 's/.*\.//g'
++ sed s/.jar//
++ 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="FireWire-PT-10"
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 FireWire-PT-10, 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 r086-smll-174860102300316"
echo "====================================================================="
echo
echo "--------------------"
echo "preparation of the directory to be used:"
tar xzf /home/mcc/BenchKit/INPUTS/FireWire-PT-10.tgz
mv FireWire-PT-10 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 ;