About the Execution of ITS-Tools for FireWire-PT-12
| Execution Summary | |||||
| Max Memory Used (MB) |
Time wait (ms) | CPU Usage (ms) | I/O Wait (ms) | Computed Result | Execution Status |
| 0.000 | 467135.00 | 0.00 | 0.00 | FFFFTFFFFTFFTFFF | normal |
Execution Chart
Sorry, for this execution, no execution chart could be reported.
Trace from the execution
Formatting '/data/fkordon/mcc2025-input.r086-smll-174860102300331.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-12, examination is LTLCardinality
Time confinement is 3600 seconds
Memory confinement is 16384 MBytes
Number of cores is 4
Run identifier is r086-smll-174860102300331
=====================================================================
--------------------
preparation of the directory to be used:
/home/mcc/execution
total 616K
-rw-r--r-- 1 mcc users 7.8K May 29 14:47 CTLCardinality.txt
-rw-r--r-- 1 mcc users 86K 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 60K May 29 14:47 CTLFireability.xml
-rw-r--r-- 1 mcc users 3.5K May 29 14:47 LTLCardinality.txt
-rw-r--r-- 1 mcc users 27K May 29 14:47 LTLCardinality.xml
-rw-r--r-- 1 mcc users 2.1K May 29 14:47 LTLFireability.txt
-rw-r--r-- 1 mcc users 17K May 29 14:47 LTLFireability.xml
-rw-r--r-- 1 mcc users 13K May 29 14:47 ReachabilityCardinality.txt
-rw-r--r-- 1 mcc users 143K May 29 14:47 ReachabilityCardinality.xml
-rw-r--r-- 1 mcc users 8.7K May 29 14:47 ReachabilityFireability.txt
-rw-r--r-- 1 mcc users 76K 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 125K 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-12-LTLCardinality-00
FORMULA_NAME FireWire-PT-12-LTLCardinality-01
FORMULA_NAME FireWire-PT-12-LTLCardinality-02
FORMULA_NAME FireWire-PT-12-LTLCardinality-03
FORMULA_NAME FireWire-PT-12-LTLCardinality-04
FORMULA_NAME FireWire-PT-12-LTLCardinality-05
FORMULA_NAME FireWire-PT-12-LTLCardinality-06
FORMULA_NAME FireWire-PT-12-LTLCardinality-07
FORMULA_NAME FireWire-PT-12-LTLCardinality-08
FORMULA_NAME FireWire-PT-12-LTLCardinality-09
FORMULA_NAME FireWire-PT-12-LTLCardinality-10
FORMULA_NAME FireWire-PT-12-LTLCardinality-11
FORMULA_NAME FireWire-PT-12-LTLCardinality-12
FORMULA_NAME FireWire-PT-12-LTLCardinality-13
FORMULA_NAME FireWire-PT-12-LTLCardinality-14
FORMULA_NAME FireWire-PT-12-LTLCardinality-15
=== Now, execution of the tool begins
BK_START 1748869050755
Invoking MCC driver with
BK_TOOL=itstools
BK_EXAMINATION=LTLCardinality
BK_BIN_PATH=/home/mcc/BenchKit/bin/
BK_TIME_CONFINEMENT=3600
BK_INPUT=FireWire-PT-12
BK_MEMORY_CONFINEMENT=16384
Not applying reductions.
Model is PT
LTLCardinality PT
Running Version 202505121319
[2025-06-02 12:57:32] [INFO ] Running its-tools with arguments : [-pnfolder, /home/mcc/execution, -examination, LTLCardinality, -its, -ltsmin, -greatspnpath, /home/mcc/BenchKit/bin//../itstools/bin//..//greatspn/, -order, META, -manyOrder, -smt, -timeout, 3600]
[2025-06-02 12:57:32] [INFO ] Parsing pnml file : /home/mcc/execution/model.pnml
[2025-06-02 12:57:33] [INFO ] Load time of PNML (sax parser for PT used): 163 ms
[2025-06-02 12:57:33] [INFO ] Transformed 169 places.
[2025-06-02 12:57:33] [INFO ] Transformed 508 transitions.
[2025-06-02 12:57:33] [INFO ] Found NUPN structural information;
[2025-06-02 12:57:33] [INFO ] Parsed PT model containing 169 places and 508 transitions and 1889 arcs in 336 ms.
Parsed 16 properties from file /home/mcc/execution/LTLCardinality.xml in 19 ms.
Working with output stream class java.io.PrintStream
Initial state reduction rules removed 4 formulas.
Ensure Unique test removed 68 transitions
Reduce redundant transitions removed 68 transitions.
FORMULA FireWire-PT-12-LTLCardinality-03 FALSE TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA FireWire-PT-12-LTLCardinality-04 TRUE TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA FireWire-PT-12-LTLCardinality-08 FALSE TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA FireWire-PT-12-LTLCardinality-09 TRUE TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA FireWire-PT-12-LTLCardinality-11 FALSE TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA FireWire-PT-12-LTLCardinality-12 TRUE TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA FireWire-PT-12-LTLCardinality-14 FALSE TECHNIQUES TOPOLOGICAL INITIAL_STATE
Initial state reduction rules removed 1 formulas.
FORMULA FireWire-PT-12-LTLCardinality-07 FALSE TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA FireWire-PT-12-LTLCardinality-15 FALSE TECHNIQUES TOPOLOGICAL INITIAL_STATE
Support contains 27 out of 169 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 169/169 places, 440/440 transitions.
Discarding 1 places :
Symmetric choice reduction at 0 with 1 rule applications. Total rules 1 place count 168 transition count 438
Iterating global reduction 0 with 1 rules applied. Total rules applied 2 place count 168 transition count 438
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 8 place count 168 transition count 432
Applied a total of 8 rules in 72 ms. Remains 168 /169 variables (removed 1) and now considering 432/440 (removed 8) transitions.
[2025-06-02 12:57:33] [INFO ] Flow matrix only has 400 transitions (discarded 32 similar events)
// Phase 1: matrix 400 rows 168 cols
[2025-06-02 12:57:33] [INFO ] Computed 10 invariants in 17 ms
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-02 12:57:34] [INFO ] Implicit Places using invariants in 509 ms returned []
[2025-06-02 12:57:34] [INFO ] Flow matrix only has 400 transitions (discarded 32 similar events)
[2025-06-02 12:57:34] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-02 12:57:34] [INFO ] State equation strengthened by 58 read => feed constraints.
[2025-06-02 12:57:35] [INFO ] Implicit Places using invariants and state equation in 984 ms returned [62, 166]
Discarding 2 places :
Implicit Place search using SMT with State Equation took 1553 ms to find 2 implicit places.
Starting structural reductions in LTL mode, iteration 1 : 166/169 places, 432/440 transitions.
Applied a total of 0 rules in 8 ms. Remains 166 /166 variables (removed 0) and now considering 432/432 (removed 0) transitions.
Finished structural reductions in LTL mode , in 2 iterations and 1658 ms. Remains : 166/169 places, 432/440 transitions.
Support contains 27 out of 166 places after structural reductions.
[2025-06-02 12:57:35] [INFO ] Flatten gal took : 99 ms
[2025-06-02 12:57:35] [INFO ] Flatten gal took : 49 ms
[2025-06-02 12:57:35] [INFO ] Input system was already deterministic with 432 transitions.
RANDOM walk for 40000 steps (1086 resets) in 2187 ms. (18 steps per ms) remains 4/16 properties
BEST_FIRST walk for 40004 steps (217 resets) in 352 ms. (113 steps per ms) remains 3/4 properties
BEST_FIRST walk for 40004 steps (224 resets) in 246 ms. (161 steps per ms) remains 3/3 properties
BEST_FIRST walk for 40004 steps (218 resets) in 86 ms. (459 steps per ms) remains 3/3 properties
BEST_FIRST walk for 40001 steps (220 resets) in 120 ms. (330 steps per ms) remains 3/3 properties
[2025-06-02 12:57:36] [INFO ] Flow matrix only has 400 transitions (discarded 32 similar events)
// Phase 1: matrix 400 rows 166 cols
[2025-06-02 12:57:36] [INFO ] Computed 8 invariants in 5 ms
[2025-06-02 12:57:36] [INFO ] State equation strengthened by 58 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) 0/8 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 1 (OVERLAPS) 124/132 variables, 4/4 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/132 variables, 0/4 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 3 (OVERLAPS) 23/155 variables, 4/8 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/155 variables, 0/8 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 5 (OVERLAPS) 391/546 variables, 155/163 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/546 variables, 55/218 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/546 variables, 0/218 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 8 (OVERLAPS) 19/565 variables, 11/229 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/565 variables, 2/231 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/565 variables, 0/231 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 11 (OVERLAPS) 1/566 variables, 1/232 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 12 (INCLUDED_ONLY) 0/566 variables, 0/232 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 13 (OVERLAPS) 0/566 variables, 0/232 constraints. Problems are: Problem set: 0 solved, 3 unsolved
No progress, stopping.
After SMT solving in domain Real declared 566/566 variables, and 232 constraints, problems are : Problem set: 0 solved, 3 unsolved in 504 ms.
Refiners :[Positive P Invariants (semi-flows): 8/8 constraints, State Equation: 166/166 constraints, ReadFeed: 58/58 constraints, PredecessorRefiner: 3/3 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 3 unsolved
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/8 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 1 (OVERLAPS) 124/132 variables, 4/4 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/132 variables, 0/4 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 3 (OVERLAPS) 23/155 variables, 4/8 constraints. Problems are: Problem set: 0 solved, 3 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 12:57:37] [INFO ] Deduced a trap composed of 24 places in 173 ms of which 30 ms to minimize.
At refinement iteration 4 (INCLUDED_ONLY) 0/155 variables, 1/9 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/155 variables, 0/9 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 6 (OVERLAPS) 391/546 variables, 155/164 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/546 variables, 55/219 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/546 variables, 3/222 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/546 variables, 0/222 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 10 (OVERLAPS) 19/565 variables, 11/233 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/565 variables, 2/235 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 12 (INCLUDED_ONLY) 0/565 variables, 0/235 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 13 (OVERLAPS) 1/566 variables, 1/236 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 14 (INCLUDED_ONLY) 0/566 variables, 0/236 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 15 (OVERLAPS) 0/566 variables, 0/236 constraints. Problems are: Problem set: 0 solved, 3 unsolved
No progress, stopping.
After SMT solving in domain Int declared 566/566 variables, and 236 constraints, problems are : Problem set: 0 solved, 3 unsolved in 1238 ms.
Refiners :[Positive P Invariants (semi-flows): 8/8 constraints, State Equation: 166/166 constraints, ReadFeed: 58/58 constraints, PredecessorRefiner: 3/3 constraints, Known Traps: 1/1 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 1786ms problems are : Problem set: 0 solved, 3 unsolved
Parikh walk visited 2 properties in 337 ms.
Support contains 4 out of 166 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 166/166 places, 432/432 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 166 transition count 429
Performed 6 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 1 with 6 Pre rules applied. Total rules applied 3 place count 166 transition count 423
Deduced a syphon composed of 6 places in 1 ms
Reduce places removed 6 places and 0 transitions.
Iterating global reduction 1 with 12 rules applied. Total rules applied 15 place count 160 transition count 423
Discarding 1 places :
Symmetric choice reduction at 1 with 1 rule applications. Total rules 16 place count 159 transition count 421
Iterating global reduction 1 with 1 rules applied. Total rules applied 17 place count 159 transition count 421
Performed 3 Post agglomeration using F-continuation condition.Transition count delta: -8
Deduced a syphon composed of 3 places in 1 ms
Reduce places removed 3 places and 0 transitions.
Iterating global reduction 1 with 6 rules applied. Total rules applied 23 place count 156 transition count 429
Drop transitions (Empty/Sink Transition effects.) removed 6 transitions
Reduce isomorphic transitions removed 6 transitions.
Iterating post reduction 1 with 6 rules applied. Total rules applied 29 place count 156 transition count 423
Drop transitions (Redundant composition of simpler transitions.) removed 3 transitions
Redundant transition composition rules discarded 3 transitions
Iterating global reduction 2 with 3 rules applied. Total rules applied 32 place count 156 transition count 420
Free-agglomeration rule (complex) applied 5 times.
Iterating global reduction 2 with 5 rules applied. Total rules applied 37 place count 156 transition count 425
Reduce places removed 5 places and 0 transitions.
Drop transitions (Empty/Sink Transition effects.) removed 4 transitions
Ensure Unique test removed 2 transitions
Reduce isomorphic transitions removed 6 transitions.
Iterating post reduction 2 with 11 rules applied. Total rules applied 48 place count 151 transition count 419
Drop transitions (Redundant composition of simpler transitions.) removed 5 transitions
Redundant transition composition rules discarded 5 transitions
Iterating global reduction 3 with 5 rules applied. Total rules applied 53 place count 151 transition count 414
Reduce places removed 1 places and 1 transitions.
Iterating global reduction 3 with 1 rules applied. Total rules applied 54 place count 150 transition count 413
Applied a total of 54 rules in 138 ms. Remains 150 /166 variables (removed 16) and now considering 413/432 (removed 19) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 138 ms. Remains : 150/166 places, 413/432 transitions.
RANDOM walk for 40000 steps (1328 resets) in 713 ms. (56 steps per ms) remains 1/1 properties
BEST_FIRST walk for 40004 steps (266 resets) in 67 ms. (588 steps per ms) remains 1/1 properties
Interrupted probabilistic random walk after 947074 steps, run timeout after 3001 ms. (steps per millisecond=315 ) properties seen :0 out of 1
Probabilistic random walk after 947074 steps, saw 257893 distinct states, run finished after 3007 ms. (steps per millisecond=314 ) properties seen :0
[2025-06-02 12:57:42] [INFO ] Flow matrix only has 377 transitions (discarded 36 similar events)
// Phase 1: matrix 377 rows 150 cols
[2025-06-02 12:57:42] [INFO ] Computed 8 invariants in 3 ms
[2025-06-02 12:57:42] [INFO ] State equation strengthened by 56 read => feed constraints.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
All remaining problems are real, not stopping.
At refinement iteration 0 (INCLUDED_ONLY) 0/4 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 1 (OVERLAPS) 115/119 variables, 3/3 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/119 variables, 0/3 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (OVERLAPS) 359/478 variables, 119/122 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/478 variables, 0/122 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (OVERLAPS) 45/523 variables, 27/149 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/523 variables, 4/153 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/523 variables, 56/209 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/523 variables, 0/209 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (OVERLAPS) 1/524 variables, 1/210 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/524 variables, 1/211 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/524 variables, 0/211 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 12 (OVERLAPS) 3/527 variables, 3/214 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 13 (INCLUDED_ONLY) 0/527 variables, 0/214 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 14 (OVERLAPS) 0/527 variables, 0/214 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Real declared 527/527 variables, and 214 constraints, problems are : Problem set: 0 solved, 1 unsolved in 345 ms.
Refiners :[Positive P Invariants (semi-flows): 8/8 constraints, State Equation: 150/150 constraints, ReadFeed: 56/56 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 1 unsolved
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/4 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 1 (OVERLAPS) 115/119 variables, 3/3 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/119 variables, 0/3 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (OVERLAPS) 359/478 variables, 119/122 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/478 variables, 0/122 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (OVERLAPS) 45/523 variables, 27/149 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/523 variables, 4/153 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/523 variables, 56/209 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/523 variables, 0/209 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (OVERLAPS) 1/524 variables, 1/210 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/524 variables, 1/211 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/524 variables, 1/212 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 12 (INCLUDED_ONLY) 0/524 variables, 0/212 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 13 (OVERLAPS) 3/527 variables, 3/215 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 14 (INCLUDED_ONLY) 0/527 variables, 0/215 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 15 (OVERLAPS) 0/527 variables, 0/215 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Int declared 527/527 variables, and 215 constraints, problems are : Problem set: 0 solved, 1 unsolved in 511 ms.
Refiners :[Positive P Invariants (semi-flows): 8/8 constraints, State Equation: 150/150 constraints, ReadFeed: 56/56 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 890ms problems are : Problem set: 0 solved, 1 unsolved
Parikh walk visited 0 properties in 43 ms.
Support contains 4 out of 150 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 150/150 places, 413/413 transitions.
Applied a total of 0 rules in 13 ms. Remains 150 /150 variables (removed 0) and now considering 413/413 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 13 ms. Remains : 150/150 places, 413/413 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 150/150 places, 413/413 transitions.
Applied a total of 0 rules in 12 ms. Remains 150 /150 variables (removed 0) and now considering 413/413 (removed 0) transitions.
[2025-06-02 12:57:43] [INFO ] Flow matrix only has 377 transitions (discarded 36 similar events)
[2025-06-02 12:57:43] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-02 12:57:43] [INFO ] Implicit Places using invariants in 239 ms returned []
[2025-06-02 12:57:43] [INFO ] Flow matrix only has 377 transitions (discarded 36 similar events)
[2025-06-02 12:57:43] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-02 12:57:43] [INFO ] State equation strengthened by 56 read => feed constraints.
[2025-06-02 12:57:43] [INFO ] Implicit Places using invariants and state equation in 493 ms returned [103]
Discarding 1 places :
Implicit Place search using SMT with State Equation took 735 ms to find 1 implicit places.
Starting structural reductions in REACHABILITY mode, iteration 1 : 149/150 places, 413/413 transitions.
Applied a total of 0 rules in 12 ms. Remains 149 /149 variables (removed 0) and now considering 413/413 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 2 iterations and 760 ms. Remains : 149/150 places, 413/413 transitions.
RANDOM walk for 40000 steps (1274 resets) in 127 ms. (312 steps per ms) remains 1/1 properties
BEST_FIRST walk for 40004 steps (275 resets) in 79 ms. (500 steps per ms) remains 1/1 properties
Interrupted probabilistic random walk after 996401 steps, run timeout after 3001 ms. (steps per millisecond=332 ) properties seen :0 out of 1
Probabilistic random walk after 996401 steps, saw 270043 distinct states, run finished after 3001 ms. (steps per millisecond=332 ) properties seen :0
[2025-06-02 12:57:46] [INFO ] Flow matrix only has 377 transitions (discarded 36 similar events)
// Phase 1: matrix 377 rows 149 cols
[2025-06-02 12:57:46] [INFO ] Computed 7 invariants in 3 ms
[2025-06-02 12:57:46] [INFO ] State equation strengthened by 56 read => feed constraints.
Starting Z3 with timeout 75.0 s and query timeout 7500.0 ms
All remaining problems are real, not stopping.
At refinement iteration 0 (INCLUDED_ONLY) 0/4 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 1 (OVERLAPS) 115/119 variables, 3/3 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/119 variables, 0/3 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (OVERLAPS) 359/478 variables, 119/122 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/478 variables, 0/122 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (OVERLAPS) 44/522 variables, 26/148 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/522 variables, 3/151 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/522 variables, 56/207 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/522 variables, 0/207 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (OVERLAPS) 1/523 variables, 1/208 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/523 variables, 1/209 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/523 variables, 0/209 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 12 (OVERLAPS) 3/526 variables, 3/212 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 13 (INCLUDED_ONLY) 0/526 variables, 0/212 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 14 (OVERLAPS) 0/526 variables, 0/212 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Real declared 526/526 variables, and 212 constraints, problems are : Problem set: 0 solved, 1 unsolved in 245 ms.
Refiners :[Positive P Invariants (semi-flows): 7/7 constraints, State Equation: 149/149 constraints, ReadFeed: 56/56 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 1 unsolved
Starting Z3 with timeout 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, 1 unsolved
At refinement iteration 1 (OVERLAPS) 115/119 variables, 3/3 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/119 variables, 0/3 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (OVERLAPS) 359/478 variables, 119/122 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/478 variables, 0/122 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (OVERLAPS) 44/522 variables, 26/148 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/522 variables, 3/151 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/522 variables, 56/207 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/522 variables, 0/207 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (OVERLAPS) 1/523 variables, 1/208 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/523 variables, 1/209 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/523 variables, 1/210 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 12 (INCLUDED_ONLY) 0/523 variables, 0/210 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 13 (OVERLAPS) 3/526 variables, 3/213 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 14 (INCLUDED_ONLY) 0/526 variables, 0/213 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 15 (OVERLAPS) 0/526 variables, 0/213 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Int declared 526/526 variables, and 213 constraints, problems are : Problem set: 0 solved, 1 unsolved in 398 ms.
Refiners :[Positive P Invariants (semi-flows): 7/7 constraints, State Equation: 149/149 constraints, ReadFeed: 56/56 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 659ms problems are : Problem set: 0 solved, 1 unsolved
Parikh walk visited 0 properties in 20 ms.
Support contains 4 out of 149 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 149/149 places, 413/413 transitions.
Applied a total of 0 rules in 13 ms. Remains 149 /149 variables (removed 0) and now considering 413/413 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 13 ms. Remains : 149/149 places, 413/413 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 149/149 places, 413/413 transitions.
Applied a total of 0 rules in 12 ms. Remains 149 /149 variables (removed 0) and now considering 413/413 (removed 0) transitions.
[2025-06-02 12:57:47] [INFO ] Flow matrix only has 377 transitions (discarded 36 similar events)
[2025-06-02 12:57:47] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-02 12:57:47] [INFO ] Implicit Places using invariants in 189 ms returned []
[2025-06-02 12:57:47] [INFO ] Flow matrix only has 377 transitions (discarded 36 similar events)
[2025-06-02 12:57:47] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-02 12:57:48] [INFO ] State equation strengthened by 56 read => feed constraints.
[2025-06-02 12:57:48] [INFO ] Implicit Places using invariants and state equation in 501 ms returned []
Implicit Place search using SMT with State Equation took 697 ms to find 0 implicit places.
Starting Z3 with timeout 200.0 s and query timeout 20000.0 ms
[2025-06-02 12:57:48] [INFO ] Redundant transitions in 43 ms returned []
Running 407 sub problems to find dead transitions.
[2025-06-02 12:57:48] [INFO ] Flow matrix only has 377 transitions (discarded 36 similar events)
[2025-06-02 12:57:48] [INFO ] Invariant cache hit.
[2025-06-02 12:57:48] [INFO ] State equation strengthened by 56 read => feed constraints.
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/149 variables, 7/7 constraints. Problems are: Problem set: 0 solved, 407 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 12:57:51] [INFO ] Deduced a trap composed of 51 places in 194 ms of which 18 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 12:57:51] [INFO ] Deduced a trap composed of 23 places in 183 ms of which 16 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 12:57:52] [INFO ] Deduced a trap composed of 17 places in 161 ms of which 11 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 12:57:52] [INFO ] Deduced a trap composed of 25 places in 165 ms of which 18 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 12:57:52] [INFO ] Deduced a trap composed of 32 places in 56 ms of which 3 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 12:57:52] [INFO ] Deduced a trap composed of 33 places in 51 ms of which 3 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 12:57:53] [INFO ] Deduced a trap composed of 33 places in 39 ms of which 3 ms to minimize.
At refinement iteration 1 (INCLUDED_ONLY) 0/149 variables, 7/14 constraints. Problems are: Problem set: 0 solved, 407 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/149 variables, 0/14 constraints. Problems are: Problem set: 0 solved, 407 unsolved
At refinement iteration 3 (OVERLAPS) 377/526 variables, 149/163 constraints. Problems are: Problem set: 0 solved, 407 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/526 variables, 56/219 constraints. Problems are: Problem set: 0 solved, 407 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 12:58:05] [INFO ] Deduced a trap composed of 31 places in 53 ms of which 4 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 12:58:05] [INFO ] Deduced a trap composed of 17 places in 154 ms of which 10 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 12:58:05] [INFO ] Deduced a trap composed of 47 places in 180 ms of which 19 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 12:58:05] [INFO ] Deduced a trap composed of 32 places in 58 ms of which 4 ms to minimize.
At refinement iteration 5 (INCLUDED_ONLY) 0/526 variables, 4/223 constraints. Problems are: Problem set: 0 solved, 407 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 12:58:10] [INFO ] Deduced a trap composed of 32 places in 65 ms of which 4 ms to minimize.
At refinement iteration 6 (INCLUDED_ONLY) 0/526 variables, 1/224 constraints. Problems are: Problem set: 0 solved, 407 unsolved
Error getting values : (error "ParserException while parsing response: ((s0 0.0)
(s1 0.0)
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(s62 timeout
org.smtlib.IParser$ParserException: Unbalanced parentheses at end of input")
Error getting values : (error "Error writing to Z3 solver: java.io.IOException: Stream closed")
Solver is answering 'unknown', stopping.
After SMT solving in domain Real declared 526/526 variables, and 224 constraints, problems are : Problem set: 0 solved, 407 unsolved in 30052 ms.
Refiners :[Positive P Invariants (semi-flows): 7/7 constraints, State Equation: 149/149 constraints, ReadFeed: 56/56 constraints, PredecessorRefiner: 407/407 constraints, Known Traps: 12/12 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 407 unsolved
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/149 variables, 7/7 constraints. Problems are: Problem set: 0 solved, 407 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/149 variables, 12/19 constraints. Problems are: Problem set: 0 solved, 407 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/149 variables, 0/19 constraints. Problems are: Problem set: 0 solved, 407 unsolved
At refinement iteration 3 (OVERLAPS) 377/526 variables, 149/168 constraints. Problems are: Problem set: 0 solved, 407 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/526 variables, 56/224 constraints. Problems are: Problem set: 0 solved, 407 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/526 variables, 407/631 constraints. Problems are: Problem set: 0 solved, 407 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 526/526 variables, and 631 constraints, problems are : Problem set: 0 solved, 407 unsolved in 30022 ms.
Refiners :[Positive P Invariants (semi-flows): 7/7 constraints, State Equation: 149/149 constraints, ReadFeed: 56/56 constraints, PredecessorRefiner: 407/407 constraints, Known Traps: 12/12 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 60622ms problems are : Problem set: 0 solved, 407 unsolved
Search for dead transitions found 0 dead transitions in 60647ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 61418 ms. Remains : 149/149 places, 413/413 transitions.
Attempting over-approximation, by ignoring read arcs.
Graph (trivial) has 128 edges and 149 vertex of which 24 / 149 are part of one of the 5 SCC in 2 ms
Free SCC test removed 19 places
Drop transitions (Empty/Sink Transition effects.) removed 94 transitions
Ensure Unique test removed 29 transitions
Reduce isomorphic transitions removed 123 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 3 place count 129 transition count 289
Drop transitions (Redundant composition of simpler transitions.) removed 20 transitions
Redundant transition composition rules discarded 20 transitions
Iterating global reduction 0 with 20 rules applied. Total rules applied 23 place count 129 transition count 269
Drop transitions (Trivial Post-Agglo cleanup.) removed 1 transitions
Trivial Post-agglo rules discarded 1 transitions
Performed 1 trivial Post agglomeration. Transition count delta: 1
Iterating post reduction 0 with 1 rules applied. Total rules applied 24 place count 129 transition count 268
Reduce places removed 1 places and 0 transitions.
Iterating post reduction 1 with 1 rules applied. Total rules applied 25 place count 128 transition count 268
Performed 1 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 2 with 1 Pre rules applied. Total rules applied 25 place count 128 transition count 267
Deduced a syphon composed of 1 places in 0 ms
Reduce places removed 1 places and 0 transitions.
Iterating global reduction 2 with 2 rules applied. Total rules applied 27 place count 127 transition count 267
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 2 with 2 rules applied. Total rules applied 29 place count 126 transition count 266
Performed 1 Post agglomeration using F-continuation condition.Transition count delta: 0
Deduced a syphon composed of 1 places in 1 ms
Reduce places removed 1 places and 0 transitions.
Iterating global reduction 2 with 2 rules applied. Total rules applied 31 place count 125 transition count 266
Ensure Unique test removed 1 transitions
Reduce isomorphic transitions removed 1 transitions.
Iterating post reduction 2 with 1 rules applied. Total rules applied 32 place count 125 transition count 265
Drop transitions (Redundant composition of simpler transitions.) removed 3 transitions
Redundant transition composition rules discarded 3 transitions
Iterating global reduction 3 with 3 rules applied. Total rules applied 35 place count 125 transition count 262
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 3 with 2 rules applied. Total rules applied 37 place count 124 transition count 261
Discarding 1 places :
Symmetric choice reduction at 3 with 1 rule applications. Total rules 38 place count 123 transition count 222
Iterating global reduction 3 with 1 rules applied. Total rules applied 39 place count 123 transition count 222
Free-agglomeration rule applied 8 times with reduction of 5 identical transitions.
Iterating global reduction 3 with 8 rules applied. Total rules applied 47 place count 123 transition count 209
Reduce places removed 8 places and 0 transitions.
Ensure Unique test removed 2 transitions
Reduce isomorphic transitions removed 2 transitions.
Iterating post reduction 3 with 10 rules applied. Total rules applied 57 place count 115 transition count 207
Partial Free-agglomeration rule applied 2 times.
Drop transitions (Partial Free agglomeration) removed 2 transitions
Iterating global reduction 4 with 2 rules applied. Total rules applied 59 place count 115 transition count 207
Applied a total of 59 rules in 70 ms. Remains 115 /149 variables (removed 34) and now considering 207/413 (removed 206) transitions.
Running SMT prover for 1 properties.
[2025-06-02 12:58:49] [INFO ] Flow matrix only has 206 transitions (discarded 1 similar events)
// Phase 1: matrix 206 rows 115 cols
[2025-06-02 12:58:49] [INFO ] Computed 7 invariants in 2 ms
Starting Z3 with timeout 450.0 s and query timeout 45000.0 ms
[2025-06-02 12:58:49] [INFO ] After 45ms SMT Verify possible using all constraints in real domain returned unsat :0 sat :0 real:1
Starting Z3 with timeout 450.0 s and query timeout 45000.0 ms
[2025-06-02 12:58:49] [INFO ] [Nat]Absence check using 7 positive place invariants in 4 ms returned sat
[2025-06-02 12:58:49] [INFO ] After 88ms SMT Verify possible using state equation in natural domain returned unsat :0 sat :1
TRAPS : Iteration 0
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 12:58:49] [INFO ] Deduced a trap composed of 21 places in 38 ms of which 3 ms to minimize.
[2025-06-02 12:58:49] [INFO ] Trap strengthening (SAT) tested/added 2/1 trap constraints in 62 ms
TRAPS : Iteration 1
[2025-06-02 12:58:49] [INFO ] After 185ms SMT Verify possible using trap constraints in natural domain returned unsat :0 sat :1
[2025-06-02 12:58:49] [INFO ] After 248ms SMT Verify possible using all constraints in natural domain returned unsat :0 sat :1
Over-approximation ignoring read arcs solved 0 properties in 385 ms.
FORMULA FireWire-PT-12-LTLCardinality-01 FALSE TECHNIQUES REACHABILITY_KNOWLEDGE
Computed a total of 22 stabilizing places and 35 stable transitions
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202505121319/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!(X(X(((X((!p0 U (G(!p0)||(!p0&&(X(X(p1)) U ((p2&&X(X(p1)))||X(X(G(p1))))))))) U (X(G(!p0))||(!p3&&X((!p0 U (G(!p0)||(!p0&&(X(X(p1)) U ((p2&&X(X(p1)))||X(X(G(p1)))))))))))) U ((p2&&(X((!p0 U (G(!p0)||(!p0&&(X(X(p1)) U ((p2&&X(X(p1)))||X(X(G(p1))))))))) U (X(G(!p0))||(!p3&&X((!p0 U (G(!p0)||(!p0&&(X(X(p1)) U ((p2&&X(X(p1)))||X(X(G(p1)))))))))))))||G((X((!p0 U (G(!p0)||(!p0&&(X(X(p1)) U ((p2&&X(X(p1)))||X(X(G(p1))))))))) U (X(G(!p0))||(!p3&&X((!p0 U (G(!p0)||(!p0&&(X(X(p1)) U ((p2&&X(X(p1)))||X(X(G(p1))))))))))))))))))'
Support contains 6 out of 166 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 166/166 places, 432/432 transitions.
Discarding 1 places :
Symmetric choice reduction at 0 with 1 rule applications. Total rules 1 place count 165 transition count 430
Iterating global reduction 0 with 1 rules applied. Total rules applied 2 place count 165 transition count 430
Applied a total of 2 rules in 5 ms. Remains 165 /166 variables (removed 1) and now considering 430/432 (removed 2) transitions.
[2025-06-02 12:58:49] [INFO ] Flow matrix only has 398 transitions (discarded 32 similar events)
// Phase 1: matrix 398 rows 165 cols
[2025-06-02 12:58:49] [INFO ] Computed 8 invariants in 2 ms
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-02 12:58:49] [INFO ] Implicit Places using invariants in 141 ms returned []
[2025-06-02 12:58:49] [INFO ] Flow matrix only has 398 transitions (discarded 32 similar events)
[2025-06-02 12:58:49] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-02 12:58:50] [INFO ] State equation strengthened by 58 read => feed constraints.
[2025-06-02 12:58:50] [INFO ] Implicit Places using invariants and state equation in 441 ms returned [112]
Discarding 1 places :
Implicit Place search using SMT with State Equation took 585 ms to find 1 implicit places.
Starting structural reductions in LTL mode, iteration 1 : 164/166 places, 430/432 transitions.
Applied a total of 0 rules in 3 ms. Remains 164 /164 variables (removed 0) and now considering 430/430 (removed 0) transitions.
Finished structural reductions in LTL mode , in 2 iterations and 593 ms. Remains : 164/166 places, 430/432 transitions.
Stuttering acceptance computed with spot in 1079 ms :[p0, p0, p0, p0, p0, true, (AND p0 (NOT p1)), (AND p0 (NOT p1)), (AND p0 (NOT p1)), (NOT p1), (AND p0 (NOT p1)), (NOT p1), (NOT p1)]
Running random walk in product with property : FireWire-PT-12-LTLCardinality-00
Stuttering criterion allowed to conclude after 1 steps with 0 reset in 2 ms.
FORMULA FireWire-PT-12-LTLCardinality-00 FALSE TECHNIQUES STUTTER_TEST
Treatment of property FireWire-PT-12-LTLCardinality-00 finished in 1785 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' '!(((p0 U p1) U (p2 U X(p1))))'
Support contains 6 out of 166 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 166/166 places, 432/432 transitions.
Discarding 2 places :
Symmetric choice reduction at 0 with 2 rule applications. Total rules 2 place count 164 transition count 428
Iterating global reduction 0 with 2 rules applied. Total rules applied 4 place count 164 transition count 428
Applied a total of 4 rules in 21 ms. Remains 164 /166 variables (removed 2) and now considering 428/432 (removed 4) transitions.
[2025-06-02 12:58:51] [INFO ] Flow matrix only has 396 transitions (discarded 32 similar events)
// Phase 1: matrix 396 rows 164 cols
[2025-06-02 12:58:51] [INFO ] Computed 8 invariants in 2 ms
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-02 12:58:51] [INFO ] Implicit Places using invariants in 199 ms returned []
[2025-06-02 12:58:51] [INFO ] Flow matrix only has 396 transitions (discarded 32 similar events)
[2025-06-02 12:58:51] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-02 12:58:51] [INFO ] State equation strengthened by 58 read => feed constraints.
[2025-06-02 12:58:52] [INFO ] Implicit Places using invariants and state equation in 438 ms returned []
Implicit Place search using SMT with State Equation took 651 ms to find 0 implicit places.
Running 427 sub problems to find dead transitions.
[2025-06-02 12:58:52] [INFO ] Flow matrix only has 396 transitions (discarded 32 similar events)
[2025-06-02 12:58:52] [INFO ] Invariant cache hit.
[2025-06-02 12:58:52] [INFO ] State equation strengthened by 58 read => feed constraints.
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/163 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 427 unsolved
At refinement iteration 1 (OVERLAPS) 1/164 variables, 8/8 constraints. Problems are: Problem set: 0 solved, 427 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 12:58:57] [INFO ] Deduced a trap composed of 36 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 12:58:57] [INFO ] Deduced a trap composed of 54 places in 142 ms of which 12 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 12:58:57] [INFO ] Deduced a trap composed of 36 places in 155 ms of which 22 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 12:58:57] [INFO ] Deduced a trap composed of 24 places in 134 ms of which 14 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 12:58:58] [INFO ] Deduced a trap composed of 17 places in 134 ms of which 12 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 12:58:58] [INFO ] Deduced a trap composed of 36 places in 41 ms of which 3 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 12:58:59] [INFO ] Deduced a trap composed of 36 places in 48 ms of which 4 ms to minimize.
At refinement iteration 2 (INCLUDED_ONLY) 0/164 variables, 7/15 constraints. Problems are: Problem set: 0 solved, 427 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/164 variables, 0/15 constraints. Problems are: Problem set: 0 solved, 427 unsolved
At refinement iteration 4 (OVERLAPS) 395/559 variables, 164/179 constraints. Problems are: Problem set: 0 solved, 427 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/559 variables, 57/236 constraints. Problems are: Problem set: 0 solved, 427 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/559 variables, 0/236 constraints. Problems are: Problem set: 0 solved, 427 unsolved
At refinement iteration 7 (OVERLAPS) 1/560 variables, 1/237 constraints. Problems are: Problem set: 0 solved, 427 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 560/560 variables, and 237 constraints, problems are : Problem set: 0 solved, 427 unsolved in 30021 ms.
Refiners :[Positive P Invariants (semi-flows): 8/8 constraints, State Equation: 164/164 constraints, ReadFeed: 58/58 constraints, PredecessorRefiner: 427/427 constraints, Known Traps: 7/7 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 427 unsolved
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/163 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 427 unsolved
At refinement iteration 1 (OVERLAPS) 1/164 variables, 8/8 constraints. Problems are: Problem set: 0 solved, 427 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/164 variables, 7/15 constraints. Problems are: Problem set: 0 solved, 427 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/164 variables, 0/15 constraints. Problems are: Problem set: 0 solved, 427 unsolved
At refinement iteration 4 (OVERLAPS) 395/559 variables, 164/179 constraints. Problems are: Problem set: 0 solved, 427 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/559 variables, 57/236 constraints. Problems are: Problem set: 0 solved, 427 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/559 variables, 427/663 constraints. Problems are: Problem set: 0 solved, 427 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 12:59:49] [INFO ] Deduced a trap composed of 36 places in 64 ms of which 7 ms to minimize.
At refinement iteration 7 (INCLUDED_ONLY) 0/559 variables, 1/664 constraints. Problems are: Problem set: 0 solved, 427 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 559/560 variables, and 664 constraints, problems are : Problem set: 0 solved, 427 unsolved in 30018 ms.
Refiners :[Positive P Invariants (semi-flows): 8/8 constraints, State Equation: 164/164 constraints, ReadFeed: 57/58 constraints, PredecessorRefiner: 427/427 constraints, Known Traps: 8/8 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 60266ms problems are : Problem set: 0 solved, 427 unsolved
Search for dead transitions found 0 dead transitions in 60270ms
Starting structural reductions in LTL mode, iteration 1 : 164/166 places, 428/432 transitions.
Finished structural reductions in LTL mode , in 1 iterations and 60943 ms. Remains : 164/166 places, 428/432 transitions.
Stuttering acceptance computed with spot in 195 ms :[(NOT p1), true, (NOT p1), (NOT p1), (NOT p1), (NOT p1)]
Running random walk in product with property : FireWire-PT-12-LTLCardinality-02
Stuttering criterion allowed to conclude after 1 steps with 0 reset in 0 ms.
FORMULA FireWire-PT-12-LTLCardinality-02 FALSE TECHNIQUES STUTTER_TEST
Treatment of property FireWire-PT-12-LTLCardinality-02 finished in 61161 ms.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202505121319/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!(G((!F(p0) U X(X(X((X(p1) U !p2)))))))'
Support contains 4 out of 166 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 166/166 places, 432/432 transitions.
Discarding 2 places :
Symmetric choice reduction at 0 with 2 rule applications. Total rules 2 place count 164 transition count 428
Iterating global reduction 0 with 2 rules applied. Total rules applied 4 place count 164 transition count 428
Applied a total of 4 rules in 4 ms. Remains 164 /166 variables (removed 2) and now considering 428/432 (removed 4) transitions.
[2025-06-02 12:59:52] [INFO ] Flow matrix only has 396 transitions (discarded 32 similar events)
[2025-06-02 12:59:52] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-02 12:59:52] [INFO ] Implicit Places using invariants in 169 ms returned []
[2025-06-02 12:59:52] [INFO ] Flow matrix only has 396 transitions (discarded 32 similar events)
[2025-06-02 12:59:52] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-02 12:59:53] [INFO ] State equation strengthened by 58 read => feed constraints.
[2025-06-02 12:59:53] [INFO ] Implicit Places using invariants and state equation in 519 ms returned [112]
Discarding 1 places :
Implicit Place search using SMT with State Equation took 704 ms to find 1 implicit places.
Starting structural reductions in LTL mode, iteration 1 : 163/166 places, 428/432 transitions.
Applied a total of 0 rules in 2 ms. Remains 163 /163 variables (removed 0) and now considering 428/428 (removed 0) transitions.
Finished structural reductions in LTL mode , in 2 iterations and 710 ms. Remains : 163/166 places, 428/432 transitions.
Stuttering acceptance computed with spot in 474 ms :[p2, p2, p2, p2, p2, (OR (NOT p1) p2), true, p2, p2, (AND p0 (NOT p1)), p0]
Running random walk in product with property : FireWire-PT-12-LTLCardinality-05
Stuttering criterion allowed to conclude after 1 steps with 0 reset in 1 ms.
FORMULA FireWire-PT-12-LTLCardinality-05 FALSE TECHNIQUES STUTTER_TEST
Treatment of property FireWire-PT-12-LTLCardinality-05 finished in 1223 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 166 places. Attempting structural reductions.
Starting structural reductions in SI_LTL mode, iteration 0 : 166/166 places, 432/432 transitions.
Reduce places removed 1 places and 1 transitions.
Performed 6 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 0 with 6 Pre rules applied. Total rules applied 0 place count 165 transition count 425
Deduced a syphon composed of 6 places in 0 ms
Reduce places removed 6 places and 0 transitions.
Iterating global reduction 0 with 12 rules applied. Total rules applied 12 place count 159 transition count 425
Discarding 2 places :
Symmetric choice reduction at 0 with 2 rule applications. Total rules 14 place count 157 transition count 421
Iterating global reduction 0 with 2 rules applied. Total rules applied 16 place count 157 transition count 421
Performed 3 Post agglomeration using F-continuation condition.Transition count delta: -9
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 22 place count 154 transition count 430
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 28 place count 154 transition count 424
Applied a total of 28 rules in 52 ms. Remains 154 /166 variables (removed 12) and now considering 424/432 (removed 8) transitions.
[2025-06-02 12:59:53] [INFO ] Flow matrix only has 385 transitions (discarded 39 similar events)
// Phase 1: matrix 385 rows 154 cols
[2025-06-02 12:59:53] [INFO ] Computed 8 invariants in 2 ms
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-02 12:59:54] [INFO ] Implicit Places using invariants in 271 ms returned []
[2025-06-02 12:59:54] [INFO ] Flow matrix only has 385 transitions (discarded 39 similar events)
[2025-06-02 12:59:54] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-02 12:59:54] [INFO ] State equation strengthened by 56 read => feed constraints.
[2025-06-02 12:59:54] [INFO ] Implicit Places using invariants and state equation in 568 ms returned [105]
Discarding 1 places :
Implicit Place search using SMT with State Equation took 847 ms to find 1 implicit places.
Starting structural reductions in SI_LTL mode, iteration 1 : 153/166 places, 424/432 transitions.
Applied a total of 0 rules in 10 ms. Remains 153 /153 variables (removed 0) and now considering 424/424 (removed 0) transitions.
Finished structural reductions in SI_LTL mode , in 2 iterations and 910 ms. Remains : 153/166 places, 424/432 transitions.
Stuttering acceptance computed with spot in 39 ms :[(NOT p0)]
Running random walk in product with property : FireWire-PT-12-LTLCardinality-06
Product exploration explored 100000 steps with 1 reset in 235 ms.
Product exploration explored 100000 steps with 1 reset in 224 ms.
Computed a total of 12 stabilizing places and 27 stable transitions
Computed a total of 12 stabilizing places and 27 stable transitions
Knowledge obtained : [p0, (X p0), (X (X p0))]
False Knowledge obtained : []
Knowledge based reduction with 3 factoid took 162 ms. Reduced automaton from 1 states, 2 edges and 1 AP (stutter insensitive) to 1 states, 2 edges and 1 AP (stutter insensitive).
Stuttering acceptance computed with spot in 48 ms :[(NOT p0)]
RANDOM walk for 40000 steps (1272 resets) in 236 ms. (168 steps per ms) remains 1/1 properties
BEST_FIRST walk for 40003 steps (285 resets) in 175 ms. (227 steps per ms) remains 1/1 properties
Finished probabilistic random walk after 655 steps, run visited all 1 properties in 9 ms. (steps per millisecond=72 )
Probabilistic random walk after 655 steps, saw 393 distinct states, run finished after 17 ms. (steps per millisecond=38 ) properties seen :1
Knowledge obtained : [p0, (X p0), (X (X p0))]
False Knowledge obtained : [(F (NOT p0))]
Knowledge based reduction with 3 factoid took 120 ms. Reduced automaton from 1 states, 2 edges and 1 AP (stutter insensitive) to 1 states, 2 edges and 1 AP (stutter insensitive).
Stuttering acceptance computed with spot in 42 ms :[(NOT p0)]
Stuttering acceptance computed with spot in 42 ms :[(NOT p0)]
Support contains 2 out of 153 places. Attempting structural reductions.
Starting structural reductions in SI_LTL mode, iteration 0 : 153/153 places, 424/424 transitions.
Applied a total of 0 rules in 16 ms. Remains 153 /153 variables (removed 0) and now considering 424/424 (removed 0) transitions.
[2025-06-02 12:59:55] [INFO ] Flow matrix only has 385 transitions (discarded 39 similar events)
// Phase 1: matrix 385 rows 153 cols
[2025-06-02 12:59:55] [INFO ] Computed 7 invariants in 2 ms
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-02 12:59:56] [INFO ] Implicit Places using invariants in 234 ms returned []
[2025-06-02 12:59:56] [INFO ] Flow matrix only has 385 transitions (discarded 39 similar events)
[2025-06-02 12:59:56] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-02 12:59:56] [INFO ] State equation strengthened by 56 read => feed constraints.
[2025-06-02 12:59:56] [INFO ] Implicit Places using invariants and state equation in 578 ms returned []
Implicit Place search using SMT with State Equation took 814 ms to find 0 implicit places.
Starting Z3 with timeout 200.0 s and query timeout 20000.0 ms
[2025-06-02 12:59:56] [INFO ] Redundant transitions in 4 ms returned []
Running 417 sub problems to find dead transitions.
[2025-06-02 12:59:56] [INFO ] Flow matrix only has 385 transitions (discarded 39 similar events)
[2025-06-02 12:59:56] [INFO ] Invariant cache hit.
[2025-06-02 12:59:56] [INFO ] State equation strengthened by 56 read => feed constraints.
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/153 variables, 7/7 constraints. Problems are: Problem set: 0 solved, 417 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 12:59:59] [INFO ] Deduced a trap composed of 53 places in 234 ms of which 21 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 13:00:00] [INFO ] Deduced a trap composed of 23 places in 241 ms of which 26 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 13:00:00] [INFO ] Deduced a trap composed of 17 places in 220 ms of which 18 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 13:00:01] [INFO ] Deduced a trap composed of 25 places in 255 ms of which 28 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 13:00:01] [INFO ] Deduced a trap composed of 34 places in 65 ms of which 5 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 13:00:01] [INFO ] Deduced a trap composed of 34 places in 63 ms of which 5 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 13:00:02] [INFO ] Deduced a trap composed of 34 places in 75 ms of which 6 ms to minimize.
At refinement iteration 1 (INCLUDED_ONLY) 0/153 variables, 7/14 constraints. Problems are: Problem set: 0 solved, 417 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/153 variables, 0/14 constraints. Problems are: Problem set: 0 solved, 417 unsolved
At refinement iteration 3 (OVERLAPS) 384/537 variables, 153/167 constraints. Problems are: Problem set: 0 solved, 417 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/537 variables, 56/223 constraints. Problems are: Problem set: 0 solved, 417 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 13:00:18] [INFO ] Deduced a trap composed of 33 places in 44 ms of which 3 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 13:00:18] [INFO ] Deduced a trap composed of 33 places in 49 ms of which 2 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 13:00:18] [INFO ] Deduced a trap composed of 33 places in 52 ms of which 3 ms to minimize.
At refinement iteration 5 (INCLUDED_ONLY) 0/537 variables, 3/226 constraints. Problems are: Problem set: 0 solved, 417 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Real declared 537/538 variables, and 226 constraints, problems are : Problem set: 0 solved, 417 unsolved in 30022 ms.
Refiners :[Positive P Invariants (semi-flows): 7/7 constraints, State Equation: 153/153 constraints, ReadFeed: 56/56 constraints, PredecessorRefiner: 417/417 constraints, Known Traps: 10/10 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 417 unsolved
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/153 variables, 7/7 constraints. Problems are: Problem set: 0 solved, 417 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/153 variables, 10/17 constraints. Problems are: Problem set: 0 solved, 417 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/153 variables, 0/17 constraints. Problems are: Problem set: 0 solved, 417 unsolved
At refinement iteration 3 (OVERLAPS) 384/537 variables, 153/170 constraints. Problems are: Problem set: 0 solved, 417 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/537 variables, 56/226 constraints. Problems are: Problem set: 0 solved, 417 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/537 variables, 417/643 constraints. Problems are: Problem set: 0 solved, 417 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 13:00:52] [INFO ] Deduced a trap composed of 56 places in 200 ms of which 16 ms to minimize.
At refinement iteration 6 (INCLUDED_ONLY) 0/537 variables, 1/644 constraints. Problems are: Problem set: 0 solved, 417 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 537/538 variables, and 644 constraints, problems are : Problem set: 0 solved, 417 unsolved in 30014 ms.
Refiners :[Positive P Invariants (semi-flows): 7/7 constraints, State Equation: 153/153 constraints, ReadFeed: 56/56 constraints, PredecessorRefiner: 417/417 constraints, Known Traps: 11/11 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 60224ms problems are : Problem set: 0 solved, 417 unsolved
Search for dead transitions found 0 dead transitions in 60225ms
Finished structural reductions in SI_LTL mode , in 1 iterations and 61067 ms. Remains : 153/153 places, 424/424 transitions.
Computed a total of 12 stabilizing places and 27 stable transitions
Computed a total of 12 stabilizing places and 27 stable transitions
Knowledge obtained : [p0, (X p0), (X (X p0))]
False Knowledge obtained : []
Knowledge based reduction with 3 factoid took 73 ms. Reduced automaton from 1 states, 2 edges and 1 AP (stutter insensitive) to 1 states, 2 edges and 1 AP (stutter insensitive).
Stuttering acceptance computed with spot in 34 ms :[(NOT p0)]
RANDOM walk for 40000 steps (1237 resets) in 259 ms. (153 steps per ms) remains 1/1 properties
BEST_FIRST walk for 40003 steps (267 resets) in 70 ms. (563 steps per ms) remains 1/1 properties
Finished probabilistic random walk after 655 steps, run visited all 1 properties in 12 ms. (steps per millisecond=54 )
Probabilistic random walk after 655 steps, saw 393 distinct states, run finished after 12 ms. (steps per millisecond=54 ) properties seen :1
Knowledge obtained : [p0, (X p0), (X (X p0))]
False Knowledge obtained : [(F (NOT p0))]
Knowledge based reduction with 3 factoid took 136 ms. Reduced automaton from 1 states, 2 edges and 1 AP (stutter insensitive) to 1 states, 2 edges and 1 AP (stutter insensitive).
Stuttering acceptance computed with spot in 49 ms :[(NOT p0)]
Stuttering acceptance computed with spot in 47 ms :[(NOT p0)]
Stuttering acceptance computed with spot in 47 ms :[(NOT p0)]
Product exploration explored 100000 steps with 12 reset in 189 ms.
Product exploration explored 100000 steps with 1 reset in 245 ms.
Built C files in :
/tmp/ltsmin3870260089491441853
[2025-06-02 13:00:58] [INFO ] Computing symmetric may disable matrix : 424 transitions.
[2025-06-02 13:00:58] [INFO ] Computation of Complete disable matrix. took 9 ms. Total solver calls (SAT/UNSAT): 0(0/0)
[2025-06-02 13:00:58] [INFO ] Computing symmetric may enable matrix : 424 transitions.
[2025-06-02 13:00:58] [INFO ] Computation of Complete enable matrix. took 6 ms. Total solver calls (SAT/UNSAT): 0(0/0)
[2025-06-02 13:00:58] [INFO ] Computing Do-Not-Accords matrix : 424 transitions.
[2025-06-02 13:00:58] [INFO ] Computation of Completed DNA matrix. took 30 ms. Total solver calls (SAT/UNSAT): 0(0/0)
[2025-06-02 13:00:58] [INFO ] Built C files in 188ms conformant to PINS (ltsmin variant)in folder :/tmp/ltsmin3870260089491441853
Running compilation step : cd /tmp/ltsmin3870260089491441853;'/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 2067 ms.
Running link step : cd /tmp/ltsmin3870260089491441853;'gcc' '-shared' '-o' 'gal.so' 'model.o'
Link finished in 92 ms.
Running LTSmin : cd /tmp/ltsmin3870260089491441853;'/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.ltsmin.binaries_1.0.0.202505121319/bin/pins2lts-mc-linux64' './gal.so' '--threads=8' '-p' '--pins-guards' '--when' '--hoa' '/tmp/stateBased17462298653205665717.hoa' '--buchi-type=spotba'
LTSmin run took 1771 ms.
FORMULA FireWire-PT-12-LTLCardinality-06 FALSE TECHNIQUES PARTIAL_ORDER EXPLICIT LTSMIN SAT_SMT
Treatment of property FireWire-PT-12-LTLCardinality-06 finished in 68262 ms.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202505121319/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!(((F(p0) U X(X(X(p1)))) U X(G(p2))))'
Support contains 6 out of 166 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 166/166 places, 432/432 transitions.
Discarding 1 places :
Symmetric choice reduction at 0 with 1 rule applications. Total rules 1 place count 165 transition count 430
Iterating global reduction 0 with 1 rules applied. Total rules applied 2 place count 165 transition count 430
Applied a total of 2 rules in 3 ms. Remains 165 /166 variables (removed 1) and now considering 430/432 (removed 2) transitions.
[2025-06-02 13:01:02] [INFO ] Flow matrix only has 398 transitions (discarded 32 similar events)
// Phase 1: matrix 398 rows 165 cols
[2025-06-02 13:01:02] [INFO ] Computed 8 invariants in 2 ms
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-02 13:01:02] [INFO ] Implicit Places using invariants in 137 ms returned []
[2025-06-02 13:01:02] [INFO ] Flow matrix only has 398 transitions (discarded 32 similar events)
[2025-06-02 13:01:02] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-02 13:01:02] [INFO ] State equation strengthened by 58 read => feed constraints.
[2025-06-02 13:01:02] [INFO ] Implicit Places using invariants and state equation in 497 ms returned [113]
Discarding 1 places :
Implicit Place search using SMT with State Equation took 636 ms to find 1 implicit places.
Starting structural reductions in LTL mode, iteration 1 : 164/166 places, 430/432 transitions.
Applied a total of 0 rules in 1 ms. Remains 164 /164 variables (removed 0) and now considering 430/430 (removed 0) transitions.
Finished structural reductions in LTL mode , in 2 iterations and 641 ms. Remains : 164/166 places, 430/432 transitions.
Stuttering acceptance computed with spot in 591 ms :[(AND (NOT p0) (NOT p1) (NOT p2)), (AND (NOT p1) (NOT p2)), (NOT p2), (AND (NOT p0) (NOT p1)), (AND (NOT p0) (NOT p1) (NOT p2)), (AND (NOT p0) (NOT p1)), (NOT p1), (AND (NOT p0) (NOT p2) (NOT p1)), (AND (NOT p1) (NOT p2)), (AND (NOT p0) (NOT p1)), (AND (NOT p0) (NOT p2) (NOT p1)), (AND (NOT p0) (NOT p1)), (AND (NOT p0) (NOT p1)), (NOT p1), (NOT p0), (AND (NOT p0) (NOT p2) p1)]
Running random walk in product with property : FireWire-PT-12-LTLCardinality-10
Product exploration explored 100000 steps with 24958 reset in 466 ms.
Product exploration explored 100000 steps with 25090 reset in 423 ms.
Computed a total of 20 stabilizing places and 33 stable transitions
Computed a total of 20 stabilizing places and 33 stable transitions
Knowledge obtained : [(AND p0 p2 p1), (X p2), (X (NOT (AND (NOT p0) p2))), (X (NOT (AND (NOT p0) (NOT p2)))), (X p0), (X (X p2)), (X (X (NOT (AND (NOT p0) p2)))), (X (X p0)), (X (X (NOT (AND (NOT p0) (NOT p2)))))]
False Knowledge obtained : []
Knowledge based reduction with 9 factoid took 159 ms. Reduced automaton from 16 states, 29 edges and 3 AP (stutter sensitive) to 16 states, 29 edges and 3 AP (stutter sensitive).
Stuttering acceptance computed with spot in 781 ms :[(AND (NOT p0) (NOT p1) (NOT p2)), (AND (NOT p1) (NOT p2)), (NOT p2), (AND (NOT p0) (NOT p1)), (AND (NOT p0) (NOT p1) (NOT p2)), (AND (NOT p0) (NOT p1)), (NOT p1), (AND (NOT p0) (NOT p2) (NOT p1)), (AND (NOT p1) (NOT p2)), (AND (NOT p0) (NOT p1)), (AND (NOT p0) (NOT p2) (NOT p1)), (AND (NOT p0) (NOT p1)), (AND (NOT p0) (NOT p1)), (NOT p1), (NOT p0), (AND (NOT p0) (NOT p2) p1)]
RANDOM walk for 40000 steps (1085 resets) in 447 ms. (89 steps per ms) remains 6/10 properties
BEST_FIRST walk for 40003 steps (221 resets) in 97 ms. (408 steps per ms) remains 6/6 properties
BEST_FIRST walk for 40004 steps (212 resets) in 103 ms. (384 steps per ms) remains 6/6 properties
BEST_FIRST walk for 40004 steps (210 resets) in 169 ms. (235 steps per ms) remains 6/6 properties
BEST_FIRST walk for 40002 steps (224 resets) in 318 ms. (125 steps per ms) remains 6/6 properties
BEST_FIRST walk for 40003 steps (214 resets) in 200 ms. (199 steps per ms) remains 6/6 properties
BEST_FIRST walk for 40004 steps (218 resets) in 122 ms. (325 steps per ms) remains 6/6 properties
[2025-06-02 13:01:05] [INFO ] Flow matrix only has 398 transitions (discarded 32 similar events)
// Phase 1: matrix 398 rows 164 cols
[2025-06-02 13:01:05] [INFO ] Computed 7 invariants in 5 ms
[2025-06-02 13:01:05] [INFO ] State equation strengthened by 58 read => feed constraints.
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
Problem apf3 is UNSAT
All remaining problems are real, not stopping.
At refinement iteration 0 (INCLUDED_ONLY) 0/6 variables, 0/0 constraints. Problems are: Problem set: 1 solved, 5 unsolved
At refinement iteration 1 (OVERLAPS) 122/128 variables, 3/3 constraints. Problems are: Problem set: 1 solved, 5 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/128 variables, 0/3 constraints. Problems are: Problem set: 1 solved, 5 unsolved
At refinement iteration 3 (OVERLAPS) 21/149 variables, 4/7 constraints. Problems are: Problem set: 1 solved, 5 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/149 variables, 0/7 constraints. Problems are: Problem set: 1 solved, 5 unsolved
At refinement iteration 5 (OVERLAPS) 385/534 variables, 149/156 constraints. Problems are: Problem set: 1 solved, 5 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/534 variables, 54/210 constraints. Problems are: Problem set: 1 solved, 5 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/534 variables, 0/210 constraints. Problems are: Problem set: 1 solved, 5 unsolved
At refinement iteration 8 (OVERLAPS) 27/561 variables, 15/225 constraints. Problems are: Problem set: 1 solved, 5 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/561 variables, 3/228 constraints. Problems are: Problem set: 1 solved, 5 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/561 variables, 0/228 constraints. Problems are: Problem set: 1 solved, 5 unsolved
At refinement iteration 11 (OVERLAPS) 1/562 variables, 1/229 constraints. Problems are: Problem set: 1 solved, 5 unsolved
At refinement iteration 12 (INCLUDED_ONLY) 0/562 variables, 0/229 constraints. Problems are: Problem set: 1 solved, 5 unsolved
At refinement iteration 13 (OVERLAPS) 0/562 variables, 0/229 constraints. Problems are: Problem set: 1 solved, 5 unsolved
No progress, stopping.
After SMT solving in domain Real declared 562/562 variables, and 229 constraints, problems are : Problem set: 1 solved, 5 unsolved in 674 ms.
Refiners :[Positive P Invariants (semi-flows): 7/7 constraints, State Equation: 164/164 constraints, ReadFeed: 58/58 constraints, PredecessorRefiner: 6/6 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 1 solved, 5 unsolved
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/6 variables, 0/0 constraints. Problems are: Problem set: 1 solved, 5 unsolved
At refinement iteration 1 (OVERLAPS) 122/128 variables, 3/3 constraints. Problems are: Problem set: 1 solved, 5 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/128 variables, 0/3 constraints. Problems are: Problem set: 1 solved, 5 unsolved
At refinement iteration 3 (OVERLAPS) 21/149 variables, 4/7 constraints. Problems are: Problem set: 1 solved, 5 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/149 variables, 0/7 constraints. Problems are: Problem set: 1 solved, 5 unsolved
At refinement iteration 5 (OVERLAPS) 385/534 variables, 149/156 constraints. Problems are: Problem set: 1 solved, 5 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/534 variables, 54/210 constraints. Problems are: Problem set: 1 solved, 5 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/534 variables, 5/215 constraints. Problems are: Problem set: 1 solved, 5 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 13:01:07] [INFO ] Deduced a trap composed of 15 places in 237 ms of which 24 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 13:01:07] [INFO ] Deduced a trap composed of 17 places in 196 ms of which 24 ms to minimize.
At refinement iteration 8 (INCLUDED_ONLY) 0/534 variables, 2/217 constraints. Problems are: Problem set: 1 solved, 5 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/534 variables, 0/217 constraints. Problems are: Problem set: 1 solved, 5 unsolved
At refinement iteration 10 (OVERLAPS) 27/561 variables, 15/232 constraints. Problems are: Problem set: 1 solved, 5 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/561 variables, 3/235 constraints. Problems are: Problem set: 1 solved, 5 unsolved
At refinement iteration 12 (INCLUDED_ONLY) 0/561 variables, 0/235 constraints. Problems are: Problem set: 1 solved, 5 unsolved
At refinement iteration 13 (OVERLAPS) 1/562 variables, 1/236 constraints. Problems are: Problem set: 1 solved, 5 unsolved
At refinement iteration 14 (INCLUDED_ONLY) 0/562 variables, 0/236 constraints. Problems are: Problem set: 1 solved, 5 unsolved
At refinement iteration 15 (OVERLAPS) 0/562 variables, 0/236 constraints. Problems are: Problem set: 1 solved, 5 unsolved
No progress, stopping.
After SMT solving in domain Int declared 562/562 variables, and 236 constraints, problems are : Problem set: 1 solved, 5 unsolved in 2494 ms.
Refiners :[Positive P Invariants (semi-flows): 7/7 constraints, State Equation: 164/164 constraints, ReadFeed: 58/58 constraints, PredecessorRefiner: 5/6 constraints, Known Traps: 2/2 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 3196ms problems are : Problem set: 1 solved, 5 unsolved
Fused 5 Parikh solutions to 3 different solutions.
Parikh walk visited 0 properties in 761 ms.
Support contains 6 out of 164 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 164/164 places, 430/430 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 164 transition count 427
Performed 6 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 1 with 6 Pre rules applied. Total rules applied 3 place count 164 transition count 421
Deduced a syphon composed of 6 places in 0 ms
Reduce places removed 6 places and 0 transitions.
Iterating global reduction 1 with 12 rules applied. Total rules applied 15 place count 158 transition count 421
Performed 2 Post agglomeration using F-continuation condition.Transition count delta: -6
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 19 place count 156 transition count 427
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 23 place count 156 transition count 423
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 25 place count 156 transition count 421
Free-agglomeration rule (complex) applied 4 times.
Iterating global reduction 2 with 4 rules applied. Total rules applied 29 place count 156 transition count 425
Reduce places removed 4 places and 0 transitions.
Drop transitions (Empty/Sink Transition effects.) removed 4 transitions
Ensure Unique test removed 1 transitions
Reduce isomorphic transitions removed 5 transitions.
Iterating post reduction 2 with 9 rules applied. Total rules applied 38 place count 152 transition count 420
Drop transitions (Redundant composition of simpler transitions.) removed 5 transitions
Redundant transition composition rules discarded 5 transitions
Iterating global reduction 3 with 5 rules applied. Total rules applied 43 place count 152 transition count 415
Reduce places removed 1 places and 1 transitions.
Iterating global reduction 3 with 1 rules applied. Total rules applied 44 place count 151 transition count 414
Applied a total of 44 rules in 68 ms. Remains 151 /164 variables (removed 13) and now considering 414/430 (removed 16) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 68 ms. Remains : 151/164 places, 414/430 transitions.
RANDOM walk for 40000 steps (1306 resets) in 213 ms. (186 steps per ms) remains 5/5 properties
BEST_FIRST walk for 40004 steps (286 resets) in 69 ms. (571 steps per ms) remains 5/5 properties
BEST_FIRST walk for 40004 steps (288 resets) in 74 ms. (533 steps per ms) remains 5/5 properties
BEST_FIRST walk for 40003 steps (277 resets) in 104 ms. (380 steps per ms) remains 5/5 properties
BEST_FIRST walk for 40002 steps (276 resets) in 72 ms. (547 steps per ms) remains 5/5 properties
BEST_FIRST walk for 40004 steps (284 resets) in 85 ms. (465 steps per ms) remains 5/5 properties
Interrupted probabilistic random walk after 376748 steps, run timeout after 3001 ms. (steps per millisecond=125 ) properties seen :2 out of 5
Probabilistic random walk after 376748 steps, saw 109177 distinct states, run finished after 3001 ms. (steps per millisecond=125 ) properties seen :2
[2025-06-02 13:01:13] [INFO ] Flow matrix only has 380 transitions (discarded 34 similar events)
// Phase 1: matrix 380 rows 151 cols
[2025-06-02 13:01:13] [INFO ] Computed 7 invariants in 2 ms
[2025-06-02 13:01:13] [INFO ] State equation strengthened by 56 read => feed constraints.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
All remaining problems are real, not stopping.
At refinement iteration 0 (INCLUDED_ONLY) 0/6 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 1 (OVERLAPS) 115/121 variables, 3/3 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/121 variables, 0/3 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 3 (OVERLAPS) 362/483 variables, 121/124 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/483 variables, 0/124 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 5 (OVERLAPS) 44/527 variables, 26/150 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/527 variables, 3/153 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/527 variables, 56/209 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/527 variables, 0/209 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 9 (OVERLAPS) 1/528 variables, 1/210 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/528 variables, 1/211 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/528 variables, 0/211 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 12 (OVERLAPS) 3/531 variables, 3/214 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 13 (INCLUDED_ONLY) 0/531 variables, 0/214 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 14 (OVERLAPS) 0/531 variables, 0/214 constraints. Problems are: Problem set: 0 solved, 3 unsolved
No progress, stopping.
After SMT solving in domain Real declared 531/531 variables, and 214 constraints, problems are : Problem set: 0 solved, 3 unsolved in 502 ms.
Refiners :[Positive P Invariants (semi-flows): 7/7 constraints, State Equation: 151/151 constraints, ReadFeed: 56/56 constraints, PredecessorRefiner: 3/3 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 3 unsolved
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/6 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 1 (OVERLAPS) 115/121 variables, 3/3 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/121 variables, 0/3 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 3 (OVERLAPS) 362/483 variables, 121/124 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/483 variables, 0/124 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 5 (OVERLAPS) 44/527 variables, 26/150 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/527 variables, 3/153 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/527 variables, 56/209 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/527 variables, 0/209 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 9 (OVERLAPS) 1/528 variables, 1/210 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/528 variables, 1/211 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/528 variables, 3/214 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 12 (INCLUDED_ONLY) 0/528 variables, 0/214 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 13 (OVERLAPS) 3/531 variables, 3/217 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 14 (INCLUDED_ONLY) 0/531 variables, 0/217 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 15 (OVERLAPS) 0/531 variables, 0/217 constraints. Problems are: Problem set: 0 solved, 3 unsolved
No progress, stopping.
After SMT solving in domain Int declared 531/531 variables, and 217 constraints, problems are : Problem set: 0 solved, 3 unsolved in 1227 ms.
Refiners :[Positive P Invariants (semi-flows): 7/7 constraints, State Equation: 151/151 constraints, ReadFeed: 56/56 constraints, PredecessorRefiner: 3/3 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 1742ms problems are : Problem set: 0 solved, 3 unsolved
Parikh walk visited 0 properties in 570 ms.
Support contains 6 out of 151 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 151/151 places, 414/414 transitions.
Applied a total of 0 rules in 11 ms. Remains 151 /151 variables (removed 0) and now considering 414/414 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 19 ms. Remains : 151/151 places, 414/414 transitions.
RANDOM walk for 40000 steps (1298 resets) in 230 ms. (173 steps per ms) remains 3/3 properties
BEST_FIRST walk for 40003 steps (297 resets) in 99 ms. (400 steps per ms) remains 3/3 properties
BEST_FIRST walk for 40004 steps (282 resets) in 109 ms. (363 steps per ms) remains 3/3 properties
BEST_FIRST walk for 40003 steps (290 resets) in 105 ms. (377 steps per ms) remains 3/3 properties
Interrupted probabilistic random walk after 479854 steps, run timeout after 3001 ms. (steps per millisecond=159 ) properties seen :0 out of 3
Probabilistic random walk after 479854 steps, saw 136252 distinct states, run finished after 3001 ms. (steps per millisecond=159 ) properties seen :0
[2025-06-02 13:01:18] [INFO ] Flow matrix only has 380 transitions (discarded 34 similar events)
[2025-06-02 13:01:18] [INFO ] Invariant cache hit.
[2025-06-02 13:01:18] [INFO ] State equation strengthened by 56 read => feed constraints.
Starting Z3 with timeout 75.0 s and query timeout 7500.0 ms
All remaining problems are real, not stopping.
At refinement iteration 0 (INCLUDED_ONLY) 0/6 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 1 (OVERLAPS) 115/121 variables, 3/3 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/121 variables, 0/3 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 3 (OVERLAPS) 362/483 variables, 121/124 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/483 variables, 0/124 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 5 (OVERLAPS) 44/527 variables, 26/150 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/527 variables, 3/153 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/527 variables, 56/209 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/527 variables, 0/209 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 9 (OVERLAPS) 1/528 variables, 1/210 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/528 variables, 1/211 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/528 variables, 0/211 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 12 (OVERLAPS) 3/531 variables, 3/214 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 13 (INCLUDED_ONLY) 0/531 variables, 0/214 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 14 (OVERLAPS) 0/531 variables, 0/214 constraints. Problems are: Problem set: 0 solved, 3 unsolved
No progress, stopping.
After SMT solving in domain Real declared 531/531 variables, and 214 constraints, problems are : Problem set: 0 solved, 3 unsolved in 478 ms.
Refiners :[Positive P Invariants (semi-flows): 7/7 constraints, State Equation: 151/151 constraints, ReadFeed: 56/56 constraints, PredecessorRefiner: 3/3 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 3 unsolved
Starting Z3 with timeout 75.0 s and query timeout 7500.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/6 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 1 (OVERLAPS) 115/121 variables, 3/3 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/121 variables, 0/3 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 3 (OVERLAPS) 362/483 variables, 121/124 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/483 variables, 0/124 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 5 (OVERLAPS) 44/527 variables, 26/150 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/527 variables, 3/153 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/527 variables, 56/209 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/527 variables, 0/209 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 9 (OVERLAPS) 1/528 variables, 1/210 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/528 variables, 1/211 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/528 variables, 3/214 constraints. Problems are: Problem set: 0 solved, 3 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 13:01:19] [INFO ] Deduced a trap composed of 23 places in 212 ms of which 29 ms to minimize.
At refinement iteration 12 (INCLUDED_ONLY) 0/528 variables, 1/215 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 13 (INCLUDED_ONLY) 0/528 variables, 0/215 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 14 (OVERLAPS) 3/531 variables, 3/218 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 15 (INCLUDED_ONLY) 0/531 variables, 0/218 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 16 (OVERLAPS) 0/531 variables, 0/218 constraints. Problems are: Problem set: 0 solved, 3 unsolved
No progress, stopping.
After SMT solving in domain Int declared 531/531 variables, and 218 constraints, problems are : Problem set: 0 solved, 3 unsolved in 2278 ms.
Refiners :[Positive P Invariants (semi-flows): 7/7 constraints, State Equation: 151/151 constraints, ReadFeed: 56/56 constraints, PredecessorRefiner: 3/3 constraints, Known Traps: 1/1 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 2767ms problems are : Problem set: 0 solved, 3 unsolved
Parikh walk visited 0 properties in 550 ms.
Support contains 6 out of 151 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 151/151 places, 414/414 transitions.
Applied a total of 0 rules in 13 ms. Remains 151 /151 variables (removed 0) and now considering 414/414 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 13 ms. Remains : 151/151 places, 414/414 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 151/151 places, 414/414 transitions.
Applied a total of 0 rules in 14 ms. Remains 151 /151 variables (removed 0) and now considering 414/414 (removed 0) transitions.
[2025-06-02 13:01:21] [INFO ] Flow matrix only has 380 transitions (discarded 34 similar events)
[2025-06-02 13:01:21] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-02 13:01:22] [INFO ] Implicit Places using invariants in 184 ms returned []
[2025-06-02 13:01:22] [INFO ] Flow matrix only has 380 transitions (discarded 34 similar events)
[2025-06-02 13:01:22] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-02 13:01:22] [INFO ] State equation strengthened by 56 read => feed constraints.
[2025-06-02 13:01:22] [INFO ] Implicit Places using invariants and state equation in 541 ms returned []
Implicit Place search using SMT with State Equation took 727 ms to find 0 implicit places.
Starting Z3 with timeout 200.0 s and query timeout 20000.0 ms
[2025-06-02 13:01:22] [INFO ] Redundant transitions in 7 ms returned []
Running 408 sub problems to find dead transitions.
[2025-06-02 13:01:22] [INFO ] Flow matrix only has 380 transitions (discarded 34 similar events)
[2025-06-02 13:01:22] [INFO ] Invariant cache hit.
[2025-06-02 13:01:22] [INFO ] State equation strengthened by 56 read => feed constraints.
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/151 variables, 7/7 constraints. Problems are: Problem set: 0 solved, 408 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 13:01:26] [INFO ] Deduced a trap composed of 51 places in 236 ms of which 34 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 13:01:26] [INFO ] Deduced a trap composed of 23 places in 250 ms of which 29 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 13:01:26] [INFO ] Deduced a trap composed of 17 places in 216 ms of which 17 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 13:01:27] [INFO ] Deduced a trap composed of 25 places in 249 ms of which 28 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 13:01:27] [INFO ] Deduced a trap composed of 33 places in 68 ms of which 5 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 13:01:27] [INFO ] Deduced a trap composed of 33 places in 55 ms of which 4 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 13:01:28] [INFO ] Deduced a trap composed of 34 places in 61 ms of which 5 ms to minimize.
At refinement iteration 1 (INCLUDED_ONLY) 0/151 variables, 7/14 constraints. Problems are: Problem set: 0 solved, 408 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 13:01:31] [INFO ] Deduced a trap composed of 17 places in 198 ms of which 19 ms to minimize.
At refinement iteration 2 (INCLUDED_ONLY) 0/151 variables, 1/15 constraints. Problems are: Problem set: 0 solved, 408 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/151 variables, 0/15 constraints. Problems are: Problem set: 0 solved, 408 unsolved
At refinement iteration 4 (OVERLAPS) 380/531 variables, 151/166 constraints. Problems are: Problem set: 0 solved, 408 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/531 variables, 56/222 constraints. Problems are: Problem set: 0 solved, 408 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 13:01:46] [INFO ] Deduced a trap composed of 32 places in 78 ms of which 6 ms to minimize.
At refinement iteration 6 (INCLUDED_ONLY) 0/531 variables, 1/223 constraints. Problems are: Problem set: 0 solved, 408 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Real declared 531/531 variables, and 223 constraints, problems are : Problem set: 0 solved, 408 unsolved in 30019 ms.
Refiners :[Positive P Invariants (semi-flows): 7/7 constraints, State Equation: 151/151 constraints, ReadFeed: 56/56 constraints, PredecessorRefiner: 408/408 constraints, Known Traps: 9/9 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 408 unsolved
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/151 variables, 7/7 constraints. Problems are: Problem set: 0 solved, 408 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/151 variables, 9/16 constraints. Problems are: Problem set: 0 solved, 408 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 13:01:55] [INFO ] Deduced a trap composed of 40 places in 68 ms of which 4 ms to minimize.
At refinement iteration 2 (INCLUDED_ONLY) 0/151 variables, 1/17 constraints. Problems are: Problem set: 0 solved, 408 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/151 variables, 0/17 constraints. Problems are: Problem set: 0 solved, 408 unsolved
At refinement iteration 4 (OVERLAPS) 380/531 variables, 151/168 constraints. Problems are: Problem set: 0 solved, 408 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/531 variables, 56/224 constraints. Problems are: Problem set: 0 solved, 408 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/531 variables, 408/632 constraints. Problems are: Problem set: 0 solved, 408 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 13:02:16] [INFO ] Deduced a trap composed of 32 places in 53 ms of which 4 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 13:02:21] [INFO ] Deduced a trap composed of 54 places in 213 ms of which 31 ms to minimize.
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 531/531 variables, and 634 constraints, problems are : Problem set: 0 solved, 408 unsolved in 30018 ms.
Refiners :[Positive P Invariants (semi-flows): 7/7 constraints, State Equation: 151/151 constraints, ReadFeed: 56/56 constraints, PredecessorRefiner: 408/408 constraints, Known Traps: 12/12 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 60347ms problems are : Problem set: 0 solved, 408 unsolved
Search for dead transitions found 0 dead transitions in 60350ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 61110 ms. Remains : 151/151 places, 414/414 transitions.
Attempting over-approximation, by ignoring read arcs.
Graph (trivial) has 122 edges and 151 vertex of which 24 / 151 are part of one of the 5 SCC in 1 ms
Free SCC test removed 19 places
Drop transitions (Empty/Sink Transition effects.) removed 92 transitions
Ensure Unique test removed 28 transitions
Reduce isomorphic transitions removed 120 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 3 place count 131 transition count 293
Drop transitions (Redundant composition of simpler transitions.) removed 19 transitions
Redundant transition composition rules discarded 19 transitions
Iterating global reduction 0 with 19 rules applied. Total rules applied 22 place count 131 transition count 274
Drop transitions (Trivial Post-Agglo cleanup.) removed 1 transitions
Trivial Post-agglo rules discarded 1 transitions
Performed 1 trivial Post agglomeration. Transition count delta: 1
Iterating post reduction 0 with 1 rules applied. Total rules applied 23 place count 131 transition count 273
Reduce places removed 1 places and 0 transitions.
Iterating post reduction 1 with 1 rules applied. Total rules applied 24 place count 130 transition count 273
Performed 1 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 2 with 1 Pre rules applied. Total rules applied 24 place count 130 transition count 272
Deduced a syphon composed of 1 places in 0 ms
Reduce places removed 1 places and 0 transitions.
Iterating global reduction 2 with 2 rules applied. Total rules applied 26 place count 129 transition count 272
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 2 with 2 rules applied. Total rules applied 28 place count 128 transition count 271
Performed 1 Post agglomeration using F-continuation condition.Transition count delta: 0
Deduced a syphon composed of 1 places in 0 ms
Reduce places removed 1 places and 0 transitions.
Iterating global reduction 2 with 2 rules applied. Total rules applied 30 place count 127 transition count 271
Ensure Unique test removed 1 transitions
Reduce isomorphic transitions removed 1 transitions.
Iterating post reduction 2 with 1 rules applied. Total rules applied 31 place count 127 transition count 270
Drop transitions (Redundant composition of simpler transitions.) removed 4 transitions
Redundant transition composition rules discarded 4 transitions
Iterating global reduction 3 with 4 rules applied. Total rules applied 35 place count 127 transition count 266
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 3 with 2 rules applied. Total rules applied 37 place count 126 transition count 265
Discarding 1 places :
Symmetric choice reduction at 3 with 1 rule applications. Total rules 38 place count 125 transition count 226
Iterating global reduction 3 with 1 rules applied. Total rules applied 39 place count 125 transition count 226
Free-agglomeration rule applied 7 times with reduction of 3 identical transitions.
Iterating global reduction 3 with 7 rules applied. Total rules applied 46 place count 125 transition count 216
Reduce places removed 7 places and 0 transitions.
Ensure Unique test removed 2 transitions
Reduce isomorphic transitions removed 2 transitions.
Iterating post reduction 3 with 9 rules applied. Total rules applied 55 place count 118 transition count 214
Drop transitions (Redundant composition of simpler transitions.) removed 1 transitions
Redundant transition composition rules discarded 1 transitions
Iterating global reduction 4 with 1 rules applied. Total rules applied 56 place count 118 transition count 213
Partial Free-agglomeration rule applied 2 times.
Drop transitions (Partial Free agglomeration) removed 2 transitions
Iterating global reduction 4 with 2 rules applied. Total rules applied 58 place count 118 transition count 213
Applied a total of 58 rules in 43 ms. Remains 118 /151 variables (removed 33) and now considering 213/414 (removed 201) transitions.
Running SMT prover for 3 properties.
[2025-06-02 13:02:23] [INFO ] Flow matrix only has 212 transitions (discarded 1 similar events)
// Phase 1: matrix 212 rows 118 cols
[2025-06-02 13:02:23] [INFO ] Computed 7 invariants in 1 ms
Starting Z3 with timeout 450.0 s and query timeout 45000.0 ms
[2025-06-02 13:02:23] [INFO ] After 74ms SMT Verify possible using all constraints in real domain returned unsat :0 sat :0 real:3
Starting Z3 with timeout 450.0 s and query timeout 45000.0 ms
[2025-06-02 13:02:23] [INFO ] [Nat]Absence check using 7 positive place invariants in 7 ms returned sat
[2025-06-02 13:02:23] [INFO ] After 151ms SMT Verify possible using state equation in natural domain returned unsat :0 sat :3
TRAPS : Iteration 0
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 13:02:23] [INFO ] Deduced a trap composed of 19 places in 126 ms of which 16 ms to minimize.
[2025-06-02 13:02:23] [INFO ] Trap strengthening (SAT) tested/added 2/1 trap constraints in 150 ms
TRAPS : Iteration 1
[2025-06-02 13:02:23] [INFO ] After 427ms SMT Verify possible using trap constraints in natural domain returned unsat :0 sat :3
[2025-06-02 13:02:23] [INFO ] After 558ms SMT Verify possible using all constraints in natural domain returned unsat :0 sat :3
Over-approximation ignoring read arcs solved 0 properties in 684 ms.
Found 1 invariant AP formulas.
Knowledge obtained : [(AND p0 p2 p1), (X p2), (X (NOT (AND (NOT p0) p2))), (X (NOT (AND (NOT p0) (NOT p2)))), (X p0), (X (X p2)), (X (X (NOT (AND (NOT p0) p2)))), (X (X p0)), (X (X (NOT (AND (NOT p0) (NOT p2))))), (G (OR (NOT p1) p2 p0))]
False Knowledge obtained : [(F (NOT (OR (NOT p2) p0))), (F (NOT (OR (NOT p1) (NOT p2) p0))), (F (NOT (OR p1 (NOT p2) p0))), (F (NOT (OR p1 p0))), (F (NOT p1)), (F (NOT p0))]
Knowledge based reduction with 10 factoid took 629 ms. Reduced automaton from 16 states, 29 edges and 3 AP (stutter sensitive) to 15 states, 26 edges and 3 AP (stutter sensitive).
Stuttering acceptance computed with spot in 803 ms :[(AND (NOT p2) (NOT p0) (NOT p1)), (AND (NOT p1) (NOT p2)), (NOT p2), (AND (NOT p0) (NOT p1)), (AND (NOT p2) (NOT p0) (NOT p1)), (AND (NOT p0) (NOT p1)), (NOT p1), (AND (NOT p0) (NOT p2) (NOT p1)), (AND (NOT p1) (NOT p2)), (AND (NOT p0) (NOT p1)), (AND (NOT p0) (NOT p2)), (AND (NOT p0) (NOT p1)), (AND (NOT p0) (NOT p1)), (NOT p1), (NOT p0)]
Stuttering acceptance computed with spot in 800 ms :[(AND (NOT p2) (NOT p0) (NOT p1)), (AND (NOT p1) (NOT p2)), (NOT p2), (AND (NOT p0) (NOT p1)), (AND (NOT p2) (NOT p0) (NOT p1)), (AND (NOT p0) (NOT p1)), (NOT p1), (AND (NOT p0) (NOT p2) (NOT p1)), (AND (NOT p1) (NOT p2)), (AND (NOT p0) (NOT p1)), (AND (NOT p0) (NOT p2)), (AND (NOT p0) (NOT p1)), (AND (NOT p0) (NOT p1)), (NOT p1), (NOT p0)]
Support contains 6 out of 164 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 164/164 places, 430/430 transitions.
Applied a total of 0 rules in 1 ms. Remains 164 /164 variables (removed 0) and now considering 430/430 (removed 0) transitions.
[2025-06-02 13:02:25] [INFO ] Flow matrix only has 398 transitions (discarded 32 similar events)
// Phase 1: matrix 398 rows 164 cols
[2025-06-02 13:02:26] [INFO ] Computed 7 invariants in 2 ms
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-02 13:02:26] [INFO ] Implicit Places using invariants in 254 ms returned []
[2025-06-02 13:02:26] [INFO ] Flow matrix only has 398 transitions (discarded 32 similar events)
[2025-06-02 13:02:26] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-02 13:02:26] [INFO ] State equation strengthened by 58 read => feed constraints.
[2025-06-02 13:02:26] [INFO ] Implicit Places using invariants and state equation in 657 ms returned []
Implicit Place search using SMT with State Equation took 914 ms to find 0 implicit places.
Running 429 sub problems to find dead transitions.
[2025-06-02 13:02:26] [INFO ] Flow matrix only has 398 transitions (discarded 32 similar events)
[2025-06-02 13:02:26] [INFO ] Invariant cache hit.
[2025-06-02 13:02:26] [INFO ] State equation strengthened by 58 read => feed constraints.
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/163 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 429 unsolved
At refinement iteration 1 (OVERLAPS) 1/164 variables, 7/7 constraints. Problems are: Problem set: 0 solved, 429 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 13:02:35] [INFO ] Deduced a trap composed of 36 places in 57 ms of which 5 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 13:02:35] [INFO ] Deduced a trap composed of 54 places in 218 ms of which 18 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 13:02:36] [INFO ] Deduced a trap composed of 24 places in 213 ms of which 24 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 13:02:36] [INFO ] Deduced a trap composed of 26 places in 233 ms of which 31 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 13:02:36] [INFO ] Deduced a trap composed of 17 places in 207 ms of which 18 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 13:02:37] [INFO ] Deduced a trap composed of 36 places in 59 ms of which 5 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 13:02:37] [INFO ] Deduced a trap composed of 37 places in 63 ms of which 5 ms to minimize.
At refinement iteration 2 (INCLUDED_ONLY) 0/164 variables, 7/14 constraints. Problems are: Problem set: 0 solved, 429 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/164 variables, 0/14 constraints. Problems are: Problem set: 0 solved, 429 unsolved
At refinement iteration 4 (OVERLAPS) 397/561 variables, 164/178 constraints. Problems are: Problem set: 0 solved, 429 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/561 variables, 57/235 constraints. Problems are: Problem set: 0 solved, 429 unsolved
Error getting values : (error "ParserException while parsing response: ((s0 0.0)
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(s83 timeout
org.smtlib.IParser$ParserException: Unbalanced parentheses at end of input")
At refinement iteration 6 (INCLUDED_ONLY) 0/561 variables, 0/235 constraints. Problems are: Problem set: 0 solved, 429 unsolved
SMT process timed out in 30294ms, After SMT, problems are : Problem set: 0 solved, 429 unsolved
Search for dead transitions found 0 dead transitions in 30297ms
Finished structural reductions in LTL mode , in 1 iterations and 31215 ms. Remains : 164/164 places, 430/430 transitions.
Computed a total of 20 stabilizing places and 33 stable transitions
Computed a total of 20 stabilizing places and 33 stable transitions
Knowledge obtained : [(AND p2 p0 p1), (X p2), (X (NOT (AND (NOT p2) (NOT p0)))), (X (NOT (AND p2 (NOT p0)))), (X p0), (X (X p2)), (X (X p0)), (X (X (NOT (AND (NOT p2) (NOT p0))))), (X (X (NOT (AND p2 (NOT p0)))))]
False Knowledge obtained : []
Knowledge based reduction with 9 factoid took 255 ms. Reduced automaton from 15 states, 26 edges and 3 AP (stutter sensitive) to 15 states, 26 edges and 3 AP (stutter sensitive).
Stuttering acceptance computed with spot in 811 ms :[(AND (NOT p2) (NOT p0) (NOT p1)), (AND (NOT p1) (NOT p2)), (NOT p2), (AND (NOT p0) (NOT p1)), (AND (NOT p2) (NOT p0) (NOT p1)), (AND (NOT p0) (NOT p1)), (NOT p1), (AND (NOT p0) (NOT p2) (NOT p1)), (AND (NOT p1) (NOT p2)), (AND (NOT p0) (NOT p1)), (AND (NOT p0) (NOT p2)), (AND (NOT p0) (NOT p1)), (AND (NOT p0) (NOT p1)), (NOT p1), (NOT p0)]
RANDOM walk for 40000 steps (1068 resets) in 252 ms. (158 steps per ms) remains 5/6 properties
BEST_FIRST walk for 40003 steps (214 resets) in 77 ms. (512 steps per ms) remains 5/5 properties
BEST_FIRST walk for 40004 steps (216 resets) in 126 ms. (314 steps per ms) remains 5/5 properties
BEST_FIRST walk for 40004 steps (216 resets) in 74 ms. (533 steps per ms) remains 5/5 properties
BEST_FIRST walk for 40003 steps (219 resets) in 83 ms. (476 steps per ms) remains 3/5 properties
[2025-06-02 13:02:58] [INFO ] Flow matrix only has 398 transitions (discarded 32 similar events)
[2025-06-02 13:02:58] [INFO ] Invariant cache hit.
[2025-06-02 13:02:58] [INFO ] State equation strengthened by 58 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) 0/6 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 1 (OVERLAPS) 122/128 variables, 3/3 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/128 variables, 0/3 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 3 (OVERLAPS) 21/149 variables, 4/7 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/149 variables, 0/7 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 5 (OVERLAPS) 385/534 variables, 149/156 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/534 variables, 54/210 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/534 variables, 0/210 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 8 (OVERLAPS) 27/561 variables, 15/225 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/561 variables, 3/228 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/561 variables, 0/228 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 11 (OVERLAPS) 1/562 variables, 1/229 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 12 (INCLUDED_ONLY) 0/562 variables, 0/229 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 13 (OVERLAPS) 0/562 variables, 0/229 constraints. Problems are: Problem set: 0 solved, 3 unsolved
No progress, stopping.
After SMT solving in domain Real declared 562/562 variables, and 229 constraints, problems are : Problem set: 0 solved, 3 unsolved in 521 ms.
Refiners :[Positive P Invariants (semi-flows): 7/7 constraints, State Equation: 164/164 constraints, ReadFeed: 58/58 constraints, PredecessorRefiner: 3/3 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 3 unsolved
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/6 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 1 (OVERLAPS) 122/128 variables, 3/3 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/128 variables, 0/3 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 3 (OVERLAPS) 21/149 variables, 4/7 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/149 variables, 0/7 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 5 (OVERLAPS) 385/534 variables, 149/156 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/534 variables, 54/210 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/534 variables, 3/213 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/534 variables, 0/213 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 9 (OVERLAPS) 27/561 variables, 15/228 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/561 variables, 3/231 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/561 variables, 0/231 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 12 (OVERLAPS) 1/562 variables, 1/232 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 13 (INCLUDED_ONLY) 0/562 variables, 0/232 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 14 (OVERLAPS) 0/562 variables, 0/232 constraints. Problems are: Problem set: 0 solved, 3 unsolved
No progress, stopping.
After SMT solving in domain Int declared 562/562 variables, and 232 constraints, problems are : Problem set: 0 solved, 3 unsolved in 1110 ms.
Refiners :[Positive P Invariants (semi-flows): 7/7 constraints, State Equation: 164/164 constraints, ReadFeed: 58/58 constraints, PredecessorRefiner: 3/3 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 1645ms problems are : Problem set: 0 solved, 3 unsolved
Fused 3 Parikh solutions to 1 different solutions.
Parikh walk visited 0 properties in 161 ms.
Support contains 6 out of 164 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 164/164 places, 430/430 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 164 transition count 427
Performed 6 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 1 with 6 Pre rules applied. Total rules applied 3 place count 164 transition count 421
Deduced a syphon composed of 6 places in 0 ms
Reduce places removed 6 places and 0 transitions.
Iterating global reduction 1 with 12 rules applied. Total rules applied 15 place count 158 transition count 421
Performed 2 Post agglomeration using F-continuation condition.Transition count delta: -6
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 19 place count 156 transition count 427
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 23 place count 156 transition count 423
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 25 place count 156 transition count 421
Free-agglomeration rule (complex) applied 4 times.
Iterating global reduction 2 with 4 rules applied. Total rules applied 29 place count 156 transition count 425
Reduce places removed 4 places and 0 transitions.
Drop transitions (Empty/Sink Transition effects.) removed 4 transitions
Ensure Unique test removed 1 transitions
Reduce isomorphic transitions removed 5 transitions.
Iterating post reduction 2 with 9 rules applied. Total rules applied 38 place count 152 transition count 420
Drop transitions (Redundant composition of simpler transitions.) removed 5 transitions
Redundant transition composition rules discarded 5 transitions
Iterating global reduction 3 with 5 rules applied. Total rules applied 43 place count 152 transition count 415
Reduce places removed 1 places and 1 transitions.
Iterating global reduction 3 with 1 rules applied. Total rules applied 44 place count 151 transition count 414
Applied a total of 44 rules in 74 ms. Remains 151 /164 variables (removed 13) and now considering 414/430 (removed 16) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 74 ms. Remains : 151/164 places, 414/430 transitions.
RANDOM walk for 40000 steps (1320 resets) in 272 ms. (146 steps per ms) remains 3/3 properties
BEST_FIRST walk for 40001 steps (266 resets) in 83 ms. (476 steps per ms) remains 2/3 properties
BEST_FIRST walk for 40004 steps (288 resets) in 105 ms. (377 steps per ms) remains 2/2 properties
[2025-06-02 13:03:00] [INFO ] Flow matrix only has 380 transitions (discarded 34 similar events)
// Phase 1: matrix 380 rows 151 cols
[2025-06-02 13:03:00] [INFO ] Computed 7 invariants in 3 ms
[2025-06-02 13:03:00] [INFO ] State equation strengthened by 56 read => feed constraints.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
All remaining problems are real, not stopping.
At refinement iteration 0 (INCLUDED_ONLY) 0/6 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 1 (OVERLAPS) 115/121 variables, 3/3 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/121 variables, 0/3 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 3 (OVERLAPS) 362/483 variables, 121/124 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/483 variables, 0/124 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 5 (OVERLAPS) 44/527 variables, 26/150 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/527 variables, 3/153 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/527 variables, 56/209 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/527 variables, 0/209 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 9 (OVERLAPS) 1/528 variables, 1/210 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/528 variables, 1/211 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/528 variables, 0/211 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 12 (OVERLAPS) 3/531 variables, 3/214 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 13 (INCLUDED_ONLY) 0/531 variables, 0/214 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 14 (OVERLAPS) 0/531 variables, 0/214 constraints. Problems are: Problem set: 0 solved, 2 unsolved
No progress, stopping.
After SMT solving in domain Real declared 531/531 variables, and 214 constraints, problems are : Problem set: 0 solved, 2 unsolved in 422 ms.
Refiners :[Positive P Invariants (semi-flows): 7/7 constraints, State Equation: 151/151 constraints, ReadFeed: 56/56 constraints, PredecessorRefiner: 2/2 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 2 unsolved
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/6 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 1 (OVERLAPS) 115/121 variables, 3/3 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/121 variables, 0/3 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 3 (OVERLAPS) 362/483 variables, 121/124 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/483 variables, 0/124 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 5 (OVERLAPS) 44/527 variables, 26/150 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/527 variables, 3/153 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/527 variables, 56/209 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/527 variables, 0/209 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 9 (OVERLAPS) 1/528 variables, 1/210 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/528 variables, 1/211 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/528 variables, 2/213 constraints. Problems are: Problem set: 0 solved, 2 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 13:03:01] [INFO ] Deduced a trap composed of 23 places in 204 ms of which 28 ms to minimize.
At refinement iteration 12 (INCLUDED_ONLY) 0/528 variables, 1/214 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 13 (INCLUDED_ONLY) 0/528 variables, 0/214 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 14 (OVERLAPS) 3/531 variables, 3/217 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 15 (INCLUDED_ONLY) 0/531 variables, 0/217 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 16 (OVERLAPS) 0/531 variables, 0/217 constraints. Problems are: Problem set: 0 solved, 2 unsolved
No progress, stopping.
After SMT solving in domain Int declared 531/531 variables, and 217 constraints, problems are : Problem set: 0 solved, 2 unsolved in 1178 ms.
Refiners :[Positive P Invariants (semi-flows): 7/7 constraints, State Equation: 151/151 constraints, ReadFeed: 56/56 constraints, PredecessorRefiner: 2/2 constraints, Known Traps: 1/1 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 1616ms problems are : Problem set: 0 solved, 2 unsolved
Parikh walk visited 0 properties in 250 ms.
Support contains 6 out of 151 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 151/151 places, 414/414 transitions.
Applied a total of 0 rules in 9 ms. Remains 151 /151 variables (removed 0) and now considering 414/414 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 9 ms. Remains : 151/151 places, 414/414 transitions.
RANDOM walk for 40000 steps (1258 resets) in 185 ms. (215 steps per ms) remains 2/2 properties
BEST_FIRST walk for 40004 steps (281 resets) in 67 ms. (588 steps per ms) remains 2/2 properties
BEST_FIRST walk for 40002 steps (296 resets) in 94 ms. (421 steps per ms) remains 2/2 properties
Interrupted probabilistic random walk after 579738 steps, run timeout after 3001 ms. (steps per millisecond=193 ) properties seen :0 out of 2
Probabilistic random walk after 579738 steps, saw 161706 distinct states, run finished after 3001 ms. (steps per millisecond=193 ) properties seen :0
[2025-06-02 13:03:05] [INFO ] Flow matrix only has 380 transitions (discarded 34 similar events)
[2025-06-02 13:03:05] [INFO ] Invariant cache hit.
[2025-06-02 13:03:05] [INFO ] State equation strengthened by 56 read => feed constraints.
Starting Z3 with timeout 75.0 s and query timeout 7500.0 ms
All remaining problems are real, not stopping.
At refinement iteration 0 (INCLUDED_ONLY) 0/6 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 1 (OVERLAPS) 115/121 variables, 3/3 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/121 variables, 0/3 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 3 (OVERLAPS) 362/483 variables, 121/124 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/483 variables, 0/124 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 5 (OVERLAPS) 44/527 variables, 26/150 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/527 variables, 3/153 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/527 variables, 56/209 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/527 variables, 0/209 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 9 (OVERLAPS) 1/528 variables, 1/210 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/528 variables, 1/211 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/528 variables, 0/211 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 12 (OVERLAPS) 3/531 variables, 3/214 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 13 (INCLUDED_ONLY) 0/531 variables, 0/214 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 14 (OVERLAPS) 0/531 variables, 0/214 constraints. Problems are: Problem set: 0 solved, 2 unsolved
No progress, stopping.
After SMT solving in domain Real declared 531/531 variables, and 214 constraints, problems are : Problem set: 0 solved, 2 unsolved in 377 ms.
Refiners :[Positive P Invariants (semi-flows): 7/7 constraints, State Equation: 151/151 constraints, ReadFeed: 56/56 constraints, PredecessorRefiner: 2/2 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 2 unsolved
Starting Z3 with timeout 75.0 s and query timeout 7500.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/6 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 1 (OVERLAPS) 115/121 variables, 3/3 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/121 variables, 0/3 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 3 (OVERLAPS) 362/483 variables, 121/124 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/483 variables, 0/124 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 5 (OVERLAPS) 44/527 variables, 26/150 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/527 variables, 3/153 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/527 variables, 56/209 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/527 variables, 0/209 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 9 (OVERLAPS) 1/528 variables, 1/210 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/528 variables, 1/211 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/528 variables, 2/213 constraints. Problems are: Problem set: 0 solved, 2 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 13:03:06] [INFO ] Deduced a trap composed of 14 places in 198 ms of which 22 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 13:03:06] [INFO ] Deduced a trap composed of 47 places in 222 ms of which 31 ms to minimize.
At refinement iteration 12 (INCLUDED_ONLY) 0/528 variables, 2/215 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 13 (INCLUDED_ONLY) 0/528 variables, 0/215 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 14 (OVERLAPS) 3/531 variables, 3/218 constraints. Problems are: Problem set: 0 solved, 2 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 13:03:07] [INFO ] Deduced a trap composed of 23 places in 200 ms of which 27 ms to minimize.
At refinement iteration 15 (INCLUDED_ONLY) 0/531 variables, 1/219 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 16 (INCLUDED_ONLY) 0/531 variables, 0/219 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 17 (OVERLAPS) 0/531 variables, 0/219 constraints. Problems are: Problem set: 0 solved, 2 unsolved
No progress, stopping.
After SMT solving in domain Int declared 531/531 variables, and 219 constraints, problems are : Problem set: 0 solved, 2 unsolved in 1546 ms.
Refiners :[Positive P Invariants (semi-flows): 7/7 constraints, State Equation: 151/151 constraints, ReadFeed: 56/56 constraints, PredecessorRefiner: 2/2 constraints, Known Traps: 3/3 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 1931ms problems are : Problem set: 0 solved, 2 unsolved
Fused 2 Parikh solutions to 1 different solutions.
Parikh walk visited 0 properties in 152 ms.
Support contains 6 out of 151 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 151/151 places, 414/414 transitions.
Applied a total of 0 rules in 9 ms. Remains 151 /151 variables (removed 0) and now considering 414/414 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 9 ms. Remains : 151/151 places, 414/414 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 151/151 places, 414/414 transitions.
Applied a total of 0 rules in 9 ms. Remains 151 /151 variables (removed 0) and now considering 414/414 (removed 0) transitions.
[2025-06-02 13:03:07] [INFO ] Flow matrix only has 380 transitions (discarded 34 similar events)
[2025-06-02 13:03:07] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-02 13:03:07] [INFO ] Implicit Places using invariants in 216 ms returned []
[2025-06-02 13:03:07] [INFO ] Flow matrix only has 380 transitions (discarded 34 similar events)
[2025-06-02 13:03:07] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-02 13:03:08] [INFO ] State equation strengthened by 56 read => feed constraints.
[2025-06-02 13:03:08] [INFO ] Implicit Places using invariants and state equation in 436 ms returned []
Implicit Place search using SMT with State Equation took 665 ms to find 0 implicit places.
Starting Z3 with timeout 200.0 s and query timeout 20000.0 ms
[2025-06-02 13:03:08] [INFO ] Redundant transitions in 4 ms returned []
Running 408 sub problems to find dead transitions.
[2025-06-02 13:03:08] [INFO ] Flow matrix only has 380 transitions (discarded 34 similar events)
[2025-06-02 13:03:08] [INFO ] Invariant cache hit.
[2025-06-02 13:03:08] [INFO ] State equation strengthened by 56 read => feed constraints.
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/151 variables, 7/7 constraints. Problems are: Problem set: 0 solved, 408 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 13:03:11] [INFO ] Deduced a trap composed of 51 places in 231 ms of which 32 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 13:03:12] [INFO ] Deduced a trap composed of 23 places in 220 ms of which 26 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 13:03:12] [INFO ] Deduced a trap composed of 17 places in 207 ms of which 18 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 13:03:12] [INFO ] Deduced a trap composed of 25 places in 223 ms of which 27 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 13:03:13] [INFO ] Deduced a trap composed of 33 places in 60 ms of which 5 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 13:03:13] [INFO ] Deduced a trap composed of 33 places in 64 ms of which 5 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 13:03:14] [INFO ] Deduced a trap composed of 34 places in 56 ms of which 4 ms to minimize.
At refinement iteration 1 (INCLUDED_ONLY) 0/151 variables, 7/14 constraints. Problems are: Problem set: 0 solved, 408 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 13:03:17] [INFO ] Deduced a trap composed of 17 places in 197 ms of which 19 ms to minimize.
At refinement iteration 2 (INCLUDED_ONLY) 0/151 variables, 1/15 constraints. Problems are: Problem set: 0 solved, 408 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/151 variables, 0/15 constraints. Problems are: Problem set: 0 solved, 408 unsolved
At refinement iteration 4 (OVERLAPS) 380/531 variables, 151/166 constraints. Problems are: Problem set: 0 solved, 408 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/531 variables, 56/222 constraints. Problems are: Problem set: 0 solved, 408 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 13:03:31] [INFO ] Deduced a trap composed of 32 places in 64 ms of which 5 ms to minimize.
At refinement iteration 6 (INCLUDED_ONLY) 0/531 variables, 1/223 constraints. Problems are: Problem set: 0 solved, 408 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Real declared 531/531 variables, and 223 constraints, problems are : Problem set: 0 solved, 408 unsolved in 30019 ms.
Refiners :[Positive P Invariants (semi-flows): 7/7 constraints, State Equation: 151/151 constraints, ReadFeed: 56/56 constraints, PredecessorRefiner: 408/408 constraints, Known Traps: 9/9 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 408 unsolved
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/151 variables, 7/7 constraints. Problems are: Problem set: 0 solved, 408 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/151 variables, 9/16 constraints. Problems are: Problem set: 0 solved, 408 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 13:03:40] [INFO ] Deduced a trap composed of 40 places in 72 ms of which 4 ms to minimize.
At refinement iteration 2 (INCLUDED_ONLY) 0/151 variables, 1/17 constraints. Problems are: Problem set: 0 solved, 408 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/151 variables, 0/17 constraints. Problems are: Problem set: 0 solved, 408 unsolved
At refinement iteration 4 (OVERLAPS) 380/531 variables, 151/168 constraints. Problems are: Problem set: 0 solved, 408 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/531 variables, 56/224 constraints. Problems are: Problem set: 0 solved, 408 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/531 variables, 408/632 constraints. Problems are: Problem set: 0 solved, 408 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 13:04:03] [INFO ] Deduced a trap composed of 32 places in 48 ms of which 4 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 13:04:08] [INFO ] Deduced a trap composed of 54 places in 220 ms of which 29 ms to minimize.
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 531/531 variables, and 634 constraints, problems are : Problem set: 0 solved, 408 unsolved in 30024 ms.
Refiners :[Positive P Invariants (semi-flows): 7/7 constraints, State Equation: 151/151 constraints, ReadFeed: 56/56 constraints, PredecessorRefiner: 408/408 constraints, Known Traps: 12/12 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 60188ms problems are : Problem set: 0 solved, 408 unsolved
Search for dead transitions found 0 dead transitions in 60189ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 60872 ms. Remains : 151/151 places, 414/414 transitions.
Attempting over-approximation, by ignoring read arcs.
Graph (trivial) has 122 edges and 151 vertex of which 24 / 151 are part of one of the 5 SCC in 1 ms
Free SCC test removed 19 places
Drop transitions (Empty/Sink Transition effects.) removed 92 transitions
Ensure Unique test removed 28 transitions
Reduce isomorphic transitions removed 120 transitions.
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 3 place count 131 transition count 293
Drop transitions (Redundant composition of simpler transitions.) removed 19 transitions
Redundant transition composition rules discarded 19 transitions
Iterating global reduction 0 with 19 rules applied. Total rules applied 22 place count 131 transition count 274
Drop transitions (Trivial Post-Agglo cleanup.) removed 1 transitions
Trivial Post-agglo rules discarded 1 transitions
Performed 1 trivial Post agglomeration. Transition count delta: 1
Iterating post reduction 0 with 1 rules applied. Total rules applied 23 place count 131 transition count 273
Reduce places removed 1 places and 0 transitions.
Iterating post reduction 1 with 1 rules applied. Total rules applied 24 place count 130 transition count 273
Performed 1 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 2 with 1 Pre rules applied. Total rules applied 24 place count 130 transition count 272
Deduced a syphon composed of 1 places in 0 ms
Reduce places removed 1 places and 0 transitions.
Iterating global reduction 2 with 2 rules applied. Total rules applied 26 place count 129 transition count 272
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 2 with 2 rules applied. Total rules applied 28 place count 128 transition count 271
Performed 1 Post agglomeration using F-continuation condition.Transition count delta: 0
Deduced a syphon composed of 1 places in 0 ms
Reduce places removed 1 places and 0 transitions.
Iterating global reduction 2 with 2 rules applied. Total rules applied 30 place count 127 transition count 271
Ensure Unique test removed 1 transitions
Reduce isomorphic transitions removed 1 transitions.
Iterating post reduction 2 with 1 rules applied. Total rules applied 31 place count 127 transition count 270
Drop transitions (Redundant composition of simpler transitions.) removed 4 transitions
Redundant transition composition rules discarded 4 transitions
Iterating global reduction 3 with 4 rules applied. Total rules applied 35 place count 127 transition count 266
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 3 with 2 rules applied. Total rules applied 37 place count 126 transition count 265
Discarding 1 places :
Symmetric choice reduction at 3 with 1 rule applications. Total rules 38 place count 125 transition count 226
Iterating global reduction 3 with 1 rules applied. Total rules applied 39 place count 125 transition count 226
Free-agglomeration rule applied 7 times with reduction of 3 identical transitions.
Iterating global reduction 3 with 7 rules applied. Total rules applied 46 place count 125 transition count 216
Reduce places removed 7 places and 0 transitions.
Ensure Unique test removed 2 transitions
Reduce isomorphic transitions removed 2 transitions.
Iterating post reduction 3 with 9 rules applied. Total rules applied 55 place count 118 transition count 214
Drop transitions (Redundant composition of simpler transitions.) removed 1 transitions
Redundant transition composition rules discarded 1 transitions
Iterating global reduction 4 with 1 rules applied. Total rules applied 56 place count 118 transition count 213
Partial Free-agglomeration rule applied 2 times.
Drop transitions (Partial Free agglomeration) removed 2 transitions
Iterating global reduction 4 with 2 rules applied. Total rules applied 58 place count 118 transition count 213
Applied a total of 58 rules in 52 ms. Remains 118 /151 variables (removed 33) and now considering 213/414 (removed 201) transitions.
Running SMT prover for 2 properties.
[2025-06-02 13:04:08] [INFO ] Flow matrix only has 212 transitions (discarded 1 similar events)
// Phase 1: matrix 212 rows 118 cols
[2025-06-02 13:04:08] [INFO ] Computed 7 invariants in 2 ms
Starting Z3 with timeout 450.0 s and query timeout 45000.0 ms
[2025-06-02 13:04:08] [INFO ] After 62ms SMT Verify possible using all constraints in real domain returned unsat :0 sat :0 real:2
Starting Z3 with timeout 450.0 s and query timeout 45000.0 ms
[2025-06-02 13:04:08] [INFO ] [Nat]Absence check using 7 positive place invariants in 5 ms returned sat
[2025-06-02 13:04:08] [INFO ] After 128ms SMT Verify possible using state equation in natural domain returned unsat :0 sat :2
TRAPS : Iteration 0
[2025-06-02 13:04:08] [INFO ] After 174ms SMT Verify possible using trap constraints in natural domain returned unsat :0 sat :2
[2025-06-02 13:04:09] [INFO ] After 281ms SMT Verify possible using all constraints in natural domain returned unsat :0 sat :2
Over-approximation ignoring read arcs solved 0 properties in 402 ms.
Knowledge obtained : [(AND p2 p0 p1), (X p2), (X (NOT (AND (NOT p2) (NOT p0)))), (X (NOT (AND p2 (NOT p0)))), (X p0), (X (X p2)), (X (X p0)), (X (X (NOT (AND (NOT p2) (NOT p0))))), (X (X (NOT (AND p2 (NOT p0)))))]
False Knowledge obtained : [(F (NOT p0)), (F (NOT (OR (NOT p2) p0))), (F (NOT p1)), (F (NOT (OR p1 p0)))]
Knowledge based reduction with 9 factoid took 331 ms. Reduced automaton from 15 states, 26 edges and 3 AP (stutter sensitive) to 15 states, 26 edges and 3 AP (stutter sensitive).
Stuttering acceptance computed with spot in 621 ms :[(AND (NOT p2) (NOT p0) (NOT p1)), (AND (NOT p1) (NOT p2)), (NOT p2), (AND (NOT p0) (NOT p1)), (AND (NOT p2) (NOT p0) (NOT p1)), (AND (NOT p0) (NOT p1)), (NOT p1), (AND (NOT p0) (NOT p2) (NOT p1)), (AND (NOT p1) (NOT p2)), (AND (NOT p0) (NOT p1)), (AND (NOT p0) (NOT p2)), (AND (NOT p0) (NOT p1)), (AND (NOT p0) (NOT p1)), (NOT p1), (NOT p0)]
Stuttering acceptance computed with spot in 782 ms :[(AND (NOT p2) (NOT p0) (NOT p1)), (AND (NOT p1) (NOT p2)), (NOT p2), (AND (NOT p0) (NOT p1)), (AND (NOT p2) (NOT p0) (NOT p1)), (AND (NOT p0) (NOT p1)), (NOT p1), (AND (NOT p0) (NOT p2) (NOT p1)), (AND (NOT p1) (NOT p2)), (AND (NOT p0) (NOT p1)), (AND (NOT p0) (NOT p2)), (AND (NOT p0) (NOT p1)), (AND (NOT p0) (NOT p1)), (NOT p1), (NOT p0)]
Stuttering acceptance computed with spot in 777 ms :[(AND (NOT p2) (NOT p0) (NOT p1)), (AND (NOT p1) (NOT p2)), (NOT p2), (AND (NOT p0) (NOT p1)), (AND (NOT p2) (NOT p0) (NOT p1)), (AND (NOT p0) (NOT p1)), (NOT p1), (AND (NOT p0) (NOT p2) (NOT p1)), (AND (NOT p1) (NOT p2)), (AND (NOT p0) (NOT p1)), (AND (NOT p0) (NOT p2)), (AND (NOT p0) (NOT p1)), (AND (NOT p0) (NOT p1)), (NOT p1), (NOT p0)]
Product exploration explored 100000 steps with 25084 reset in 312 ms.
Product exploration explored 100000 steps with 24974 reset in 343 ms.
Applying partial POR strategy [false, false, false, false, false, false, false, false, false, true, true, false, false, false, true]
Stuttering acceptance computed with spot in 777 ms :[(AND (NOT p2) (NOT p0) (NOT p1)), (AND (NOT p1) (NOT p2)), (NOT p2), (AND (NOT p0) (NOT p1)), (AND (NOT p2) (NOT p0) (NOT p1)), (AND (NOT p0) (NOT p1)), (NOT p1), (AND (NOT p0) (NOT p2) (NOT p1)), (AND (NOT p1) (NOT p2)), (AND (NOT p0) (NOT p1)), (AND (NOT p0) (NOT p2)), (AND (NOT p0) (NOT p1)), (AND (NOT p0) (NOT p1)), (NOT p1), (NOT p0)]
Support contains 6 out of 164 places. Attempting structural reductions.
Starting structural reductions in SI_LTL mode, iteration 0 : 164/164 places, 430/430 transitions.
Performed 6 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 0 with 6 Pre rules applied. Total rules applied 0 place count 164 transition count 436
Deduced a syphon composed of 6 places in 0 ms
Iterating global reduction 0 with 6 rules applied. Total rules applied 6 place count 164 transition count 436
Performed 2 Post agglomeration using F-continuation condition.Transition count delta: -10
Deduced a syphon composed of 8 places in 1 ms
Iterating global reduction 0 with 2 rules applied. Total rules applied 8 place count 164 transition count 446
Deduced a syphon composed of 8 places in 1 ms
Drop transitions (Redundant composition of simpler transitions.) removed 4 transitions
Redundant transition composition rules discarded 4 transitions
Iterating global reduction 0 with 4 rules applied. Total rules applied 12 place count 164 transition count 442
Deduced a syphon composed of 8 places in 0 ms
Applied a total of 12 rules in 43 ms. Remains 164 /164 variables (removed 0) and now considering 442/430 (removed -12) transitions.
Starting Z3 with timeout 200.0 s and query timeout 20000.0 ms
[2025-06-02 13:04:13] [INFO ] Redundant transitions in 7 ms returned []
Running 441 sub problems to find dead transitions.
[2025-06-02 13:04:13] [INFO ] Flow matrix only has 406 transitions (discarded 36 similar events)
// Phase 1: matrix 406 rows 164 cols
[2025-06-02 13:04:13] [INFO ] Computed 7 invariants in 3 ms
[2025-06-02 13:04:13] [INFO ] State equation strengthened by 63 read => feed constraints.
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/163 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 441 unsolved
At refinement iteration 1 (OVERLAPS) 1/164 variables, 7/7 constraints. Problems are: Problem set: 0 solved, 441 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 13:04:21] [INFO ] Deduced a trap composed of 35 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 13:04:21] [INFO ] Deduced a trap composed of 41 places in 46 ms of which 4 ms to minimize.
Problem TDEAD4 is UNSAT
Problem TDEAD5 is UNSAT
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 13:04:22] [INFO ] Deduced a trap composed of 35 places in 44 ms of which 3 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 13:04:22] [INFO ] Deduced a trap composed of 41 places in 42 ms of which 2 ms to minimize.
Problem TDEAD42 is UNSAT
Problem TDEAD43 is UNSAT
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 13:04:22] [INFO ] Deduced a trap composed of 54 places in 134 ms of which 11 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 13:04:22] [INFO ] Deduced a trap composed of 24 places in 128 ms of which 17 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 13:04:22] [INFO ] Deduced a trap composed of 17 places in 132 ms of which 17 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 13:04:23] [INFO ] Deduced a trap composed of 37 places in 41 ms of which 3 ms to minimize.
At refinement iteration 2 (INCLUDED_ONLY) 0/164 variables, 8/15 constraints. Problems are: Problem set: 4 solved, 437 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/164 variables, 0/15 constraints. Problems are: Problem set: 4 solved, 437 unsolved
Problem TDEAD1 is UNSAT
Problem TDEAD19 is UNSAT
Problem TDEAD39 is UNSAT
Problem TDEAD392 is UNSAT
Problem TDEAD393 is UNSAT
Problem TDEAD394 is UNSAT
Problem TDEAD395 is UNSAT
Problem TDEAD402 is UNSAT
Problem TDEAD403 is UNSAT
Problem TDEAD411 is UNSAT
Problem TDEAD412 is UNSAT
Problem TDEAD413 is UNSAT
At refinement iteration 4 (OVERLAPS) 405/569 variables, 164/179 constraints. Problems are: Problem set: 16 solved, 425 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/569 variables, 62/241 constraints. Problems are: Problem set: 16 solved, 425 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/569 variables, 0/241 constraints. Problems are: Problem set: 16 solved, 425 unsolved
At refinement iteration 7 (OVERLAPS) 1/570 variables, 1/242 constraints. Problems are: Problem set: 16 solved, 425 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Real declared 570/570 variables, and 242 constraints, problems are : Problem set: 16 solved, 425 unsolved in 30019 ms.
Refiners :[Positive P Invariants (semi-flows): 7/7 constraints, State Equation: 164/164 constraints, ReadFeed: 63/63 constraints, PredecessorRefiner: 441/441 constraints, Known Traps: 8/8 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 16 solved, 425 unsolved
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/155 variables, 0/0 constraints. Problems are: Problem set: 16 solved, 425 unsolved
At refinement iteration 1 (OVERLAPS) 3/158 variables, 7/7 constraints. Problems are: Problem set: 16 solved, 425 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/158 variables, 8/15 constraints. Problems are: Problem set: 16 solved, 425 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/158 variables, 0/15 constraints. Problems are: Problem set: 16 solved, 425 unsolved
At refinement iteration 4 (OVERLAPS) 405/563 variables, 158/173 constraints. Problems are: Problem set: 16 solved, 425 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/563 variables, 62/235 constraints. Problems are: Problem set: 16 solved, 425 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/563 variables, 425/660 constraints. Problems are: Problem set: 16 solved, 425 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 13:05:09] [INFO ] Deduced a trap composed of 34 places in 66 ms of which 5 ms to minimize.
At refinement iteration 7 (INCLUDED_ONLY) 0/563 variables, 1/661 constraints. Problems are: Problem set: 16 solved, 425 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 563/570 variables, and 661 constraints, problems are : Problem set: 16 solved, 425 unsolved in 30016 ms.
Refiners :[Positive P Invariants (semi-flows): 7/7 constraints, State Equation: 158/164 constraints, ReadFeed: 62/63 constraints, PredecessorRefiner: 425/441 constraints, Known Traps: 9/9 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 60316ms problems are : Problem set: 16 solved, 425 unsolved
Search for dead transitions found 16 dead transitions in 60318ms
Found 16 dead transitions using SMT.
Drop transitions (Dead Transitions using SMT only with invariants) removed 16 transitions
Dead transitions reduction (with SMT) removed 16 transitions
Starting structural reductions in SI_LTL mode, iteration 1 : 164/164 places, 426/430 transitions.
Graph (complete) has 842 edges and 164 vertex of which 156 are kept as prefixes of interest. Removing 8 places using SCC suffix rule.2 ms
Discarding 8 places :
Also discarding 0 output transitions
Applied a total of 1 rules in 14 ms. Remains 156 /164 variables (removed 8) and now considering 426/426 (removed 0) transitions.
Starting structural reductions in SI_LTL mode, iteration 2 : 156/164 places, 426/430 transitions.
Finished structural reductions in SI_LTL mode , in 2 iterations and 60394 ms. Remains : 156/164 places, 426/430 transitions.
Built C files in :
/tmp/ltsmin9380325233520192002
[2025-06-02 13:05:13] [INFO ] Built C files in 7ms conformant to PINS (ltsmin variant)in folder :/tmp/ltsmin9380325233520192002
Running compilation step : cd /tmp/ltsmin9380325233520192002;'/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 1140 ms.
Running link step : cd /tmp/ltsmin9380325233520192002;'gcc' '-shared' '-o' 'gal.so' 'model.o'
Link finished in 34 ms.
Running LTSmin : cd /tmp/ltsmin9380325233520192002;'/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/stateBased7741683828097302843.hoa' '--buchi-type=spotba'
LTSmin run took 1943 ms.
FORMULA FireWire-PT-12-LTLCardinality-10 FALSE TECHNIQUES EXPLICIT LTSMIN SAT_SMT
Treatment of property FireWire-PT-12-LTLCardinality-10 finished in 254784 ms.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202505121319/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!(X(X(G(p0))))'
Support contains 2 out of 166 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 166/166 places, 432/432 transitions.
Discarding 2 places :
Symmetric choice reduction at 0 with 2 rule applications. Total rules 2 place count 164 transition count 428
Iterating global reduction 0 with 2 rules applied. Total rules applied 4 place count 164 transition count 428
Applied a total of 4 rules in 5 ms. Remains 164 /166 variables (removed 2) and now considering 428/432 (removed 4) transitions.
[2025-06-02 13:05:16] [INFO ] Flow matrix only has 396 transitions (discarded 32 similar events)
// Phase 1: matrix 396 rows 164 cols
[2025-06-02 13:05:16] [INFO ] Computed 8 invariants in 2 ms
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-02 13:05:17] [INFO ] Implicit Places using invariants in 160 ms returned []
[2025-06-02 13:05:17] [INFO ] Flow matrix only has 396 transitions (discarded 32 similar events)
[2025-06-02 13:05:17] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-02 13:05:17] [INFO ] State equation strengthened by 58 read => feed constraints.
[2025-06-02 13:05:17] [INFO ] Implicit Places using invariants and state equation in 587 ms returned [112]
Discarding 1 places :
Implicit Place search using SMT with State Equation took 749 ms to find 1 implicit places.
Starting structural reductions in LTL mode, iteration 1 : 163/166 places, 428/432 transitions.
Applied a total of 0 rules in 2 ms. Remains 163 /163 variables (removed 0) and now considering 428/428 (removed 0) transitions.
Finished structural reductions in LTL mode , in 2 iterations and 756 ms. Remains : 163/166 places, 428/432 transitions.
Stuttering acceptance computed with spot in 106 ms :[true, (NOT p0), (NOT p0), (NOT p0)]
Running random walk in product with property : FireWire-PT-12-LTLCardinality-13
Stuttering criterion allowed to conclude after 1 steps with 0 reset in 0 ms.
FORMULA FireWire-PT-12-LTLCardinality-13 FALSE TECHNIQUES STUTTER_TEST
Treatment of property FireWire-PT-12-LTLCardinality-13 finished in 876 ms.
All properties solved by simple procedures.
Total runtime 465042 ms.
BK_STOP 1748869517890
--------------------
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
+ [[ LTLCardinality = StateSpace ]]
+ /home/mcc/BenchKit/bin//../itstools/bin//..//runeclipse.sh /home/mcc/execution LTLCardinality -its -ltsmin -greatspnpath /home/mcc/BenchKit/bin//../itstools/bin//..//greatspn/ -order META -manyOrder -smt -timeout 3600
+ ulimit -s 65536
+ [[ -z '' ]]
+ export LTSMIN_MEM_SIZE=8589934592
+ LTSMIN_MEM_SIZE=8589934592
++ sed s/.jar//
++ perl -pe 's/.*\.//g'
++ ls /home/mcc/BenchKit/bin//../itstools/bin//..//itstools/plugins/fr.lip6.move.gal.application.pnmcc_1.0.0.202505121319.jar
+ VERSION=202505121319
+ echo 'Running Version 202505121319'
+ /home/mcc/BenchKit/bin//../itstools/bin//..//itstools/its-tools -pnfolder /home/mcc/execution -examination LTLCardinality -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-12"
export BK_EXAMINATION="LTLCardinality"
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-12, examination is LTLCardinality"
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-174860102300331"
echo "====================================================================="
echo
echo "--------------------"
echo "preparation of the directory to be used:"
tar xzf /home/mcc/BenchKit/INPUTS/FireWire-PT-12.tgz
mv FireWire-PT-12 execution
cd execution
if [ "LTLCardinality" = "ReachabilityDeadlock" ] || [ "LTLCardinality" = "UpperBounds" ] || [ "LTLCardinality" = "QuasiLiveness" ] || [ "LTLCardinality" = "StableMarking" ] || [ "LTLCardinality" = "Liveness" ] || [ "LTLCardinality" = "OneSafe" ] || [ "LTLCardinality" = "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 [ "LTLCardinality" = "UpperBounds" ] ; then
echo "The expected result is a vector of positive values"
echo NUM_VECTOR
elif [ "LTLCardinality" != "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 "LTLCardinality.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 [ "LTLCardinality" = "ReachabilityDeadlock" ] || [ "LTLCardinality" = "QuasiLiveness" ] || [ "LTLCardinality" = "StableMarking" ] || [ "LTLCardinality" = "Liveness" ] || [ "LTLCardinality" = "OneSafe" ] ; then
echo "FORMULA_NAME LTLCardinality"
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 ;