Execution Chart

Sorry, for this execution, no execution chart could be reported.

Trace from the execution

Formatting '/data/fkordon/mcc2025-input.r086-smll-174860102300332.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 LTLFireability
Time confinement is 3600 seconds
Memory confinement is 16384 MBytes
Number of cores is 4
Run identifier is r086-smll-174860102300332
=====================================================================

--------------------
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-LTLFireability-00
FORMULA_NAME FireWire-PT-12-LTLFireability-01
FORMULA_NAME FireWire-PT-12-LTLFireability-02
FORMULA_NAME FireWire-PT-12-LTLFireability-03
FORMULA_NAME FireWire-PT-12-LTLFireability-04
FORMULA_NAME FireWire-PT-12-LTLFireability-05
FORMULA_NAME FireWire-PT-12-LTLFireability-06
FORMULA_NAME FireWire-PT-12-LTLFireability-07
FORMULA_NAME FireWire-PT-12-LTLFireability-08
FORMULA_NAME FireWire-PT-12-LTLFireability-09
FORMULA_NAME FireWire-PT-12-LTLFireability-10
FORMULA_NAME FireWire-PT-12-LTLFireability-11
FORMULA_NAME FireWire-PT-12-LTLFireability-12
FORMULA_NAME FireWire-PT-12-LTLFireability-13
FORMULA_NAME FireWire-PT-12-LTLFireability-14
FORMULA_NAME FireWire-PT-12-LTLFireability-15

=== Now, execution of the tool begins

BK_START 1748869152769

Invoking MCC driver with
BK_TOOL=itstools
BK_EXAMINATION=LTLFireability
BK_BIN_PATH=/home/mcc/BenchKit/bin/
BK_TIME_CONFINEMENT=3600
BK_INPUT=FireWire-PT-12
BK_MEMORY_CONFINEMENT=16384
Not applying reductions.
Model is PT
LTLFireability PT
Running Version 202505121319
[2025-06-02 12:59:15] [INFO ] Running its-tools with arguments : [-pnfolder, /home/mcc/execution, -examination, LTLFireability, -its, -ltsmin, -greatspnpath, /home/mcc/BenchKit/bin//../itstools/bin//..//greatspn/, -order, META, -manyOrder, -smt, -timeout, 3600]
[2025-06-02 12:59:15] [INFO ] Parsing pnml file : /home/mcc/execution/model.pnml
[2025-06-02 12:59:16] [INFO ] Load time of PNML (sax parser for PT used): 215 ms
[2025-06-02 12:59:16] [INFO ] Transformed 169 places.
[2025-06-02 12:59:16] [INFO ] Transformed 508 transitions.
[2025-06-02 12:59:16] [INFO ] Found NUPN structural information;
[2025-06-02 12:59:16] [INFO ] Parsed PT model containing 169 places and 508 transitions and 1889 arcs in 485 ms.
Parsed 16 properties from file /home/mcc/execution/LTLFireability.xml in 26 ms.
Working with output stream class java.io.PrintStream
Initial state reduction rules removed 3 formulas.
Ensure Unique test removed 68 transitions
Reduce redundant transitions removed 68 transitions.
FORMULA FireWire-PT-12-LTLFireability-04 TRUE TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA FireWire-PT-12-LTLFireability-06 FALSE TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA FireWire-PT-12-LTLFireability-14 TRUE TECHNIQUES TOPOLOGICAL INITIAL_STATE
Support contains 34 out of 169 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 169/169 places, 440/440 transitions.
Discarding 3 places :
Symmetric choice reduction at 0 with 3 rule applications. Total rules 3 place count 166 transition count 434
Iterating global reduction 0 with 3 rules applied. Total rules applied 6 place count 166 transition count 434
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 12 place count 166 transition count 428
Applied a total of 12 rules in 108 ms. Remains 166 /169 variables (removed 3) and now considering 428/440 (removed 12) transitions.
[2025-06-02 12:59:16] [INFO ] Flow matrix only has 396 transitions (discarded 32 similar events)
// Phase 1: matrix 396 rows 166 cols
[2025-06-02 12:59:16] [INFO ] Computed 10 invariants in 33 ms
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-02 12:59:17] [INFO ] Implicit Places using invariants in 618 ms returned []
[2025-06-02 12:59:17] [INFO ] Flow matrix only has 396 transitions (discarded 32 similar events)
[2025-06-02 12:59:17] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-02 12:59:17] [INFO ] State equation strengthened by 58 read => feed constraints.
[2025-06-02 12:59:18] [INFO ] Implicit Places using invariants and state equation in 982 ms returned [62, 164]
Discarding 2 places :
Implicit Place search using SMT with State Equation took 1678 ms to find 2 implicit places.
Starting structural reductions in LTL mode, iteration 1 : 164/169 places, 428/440 transitions.
Applied a total of 0 rules in 14 ms. Remains 164 /164 variables (removed 0) and now considering 428/428 (removed 0) transitions.
Finished structural reductions in LTL mode , in 2 iterations and 1832 ms. Remains : 164/169 places, 428/440 transitions.
Support contains 34 out of 164 places after structural reductions.
[2025-06-02 12:59:18] [INFO ] Flatten gal took : 153 ms
[2025-06-02 12:59:18] [INFO ] Flatten gal took : 73 ms
[2025-06-02 12:59:19] [INFO ] Input system was already deterministic with 428 transitions.
Reduction of identical properties reduced properties to check from 29 to 28
RANDOM walk for 40000 steps (1069 resets) in 2883 ms. (13 steps per ms) remains 7/28 properties
BEST_FIRST walk for 40004 steps (209 resets) in 368 ms. (108 steps per ms) remains 7/7 properties
BEST_FIRST walk for 40004 steps (8 resets) in 291 ms. (137 steps per ms) remains 7/7 properties
BEST_FIRST walk for 40002 steps (216 resets) in 140 ms. (283 steps per ms) remains 7/7 properties
BEST_FIRST walk for 40003 steps (209 resets) in 112 ms. (354 steps per ms) remains 7/7 properties
BEST_FIRST walk for 40003 steps (11 resets) in 108 ms. (367 steps per ms) remains 7/7 properties
BEST_FIRST walk for 40004 steps (208 resets) in 78 ms. (506 steps per ms) remains 7/7 properties
BEST_FIRST walk for 40002 steps (8 resets) in 104 ms. (380 steps per ms) remains 7/7 properties
[2025-06-02 12:59:20] [INFO ] Flow matrix only has 396 transitions (discarded 32 similar events)
// Phase 1: matrix 396 rows 164 cols
[2025-06-02 12:59:20] [INFO ] Computed 8 invariants in 11 ms
[2025-06-02 12:59:20] [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) 0/14 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 7 unsolved
Problem AtomicPropp15 is UNSAT
At refinement iteration 1 (OVERLAPS) 130/144 variables, 5/5 constraints. Problems are: Problem set: 1 solved, 6 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/144 variables, 0/5 constraints. Problems are: Problem set: 1 solved, 6 unsolved
At refinement iteration 3 (OVERLAPS) 9/153 variables, 3/8 constraints. Problems are: Problem set: 1 solved, 6 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 12:59:20] [INFO ] Deduced a trap composed of 36 places in 106 ms of which 19 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 12:59:21] [INFO ] Deduced a trap composed of 36 places in 87 ms of which 5 ms to minimize.
At refinement iteration 4 (INCLUDED_ONLY) 0/153 variables, 2/10 constraints. Problems are: Problem set: 1 solved, 6 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/153 variables, 0/10 constraints. Problems are: Problem set: 1 solved, 6 unsolved
At refinement iteration 6 (OVERLAPS) 387/540 variables, 153/163 constraints. Problems are: Problem set: 1 solved, 6 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/540 variables, 55/218 constraints. Problems are: Problem set: 1 solved, 6 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/540 variables, 0/218 constraints. Problems are: Problem set: 1 solved, 6 unsolved
At refinement iteration 9 (OVERLAPS) 19/559 variables, 11/229 constraints. Problems are: Problem set: 1 solved, 6 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/559 variables, 2/231 constraints. Problems are: Problem set: 1 solved, 6 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/559 variables, 0/231 constraints. Problems are: Problem set: 1 solved, 6 unsolved
At refinement iteration 12 (OVERLAPS) 1/560 variables, 1/232 constraints. Problems are: Problem set: 1 solved, 6 unsolved
At refinement iteration 13 (INCLUDED_ONLY) 0/560 variables, 0/232 constraints. Problems are: Problem set: 1 solved, 6 unsolved
At refinement iteration 14 (OVERLAPS) 0/560 variables, 0/232 constraints. Problems are: Problem set: 1 solved, 6 unsolved
No progress, stopping.
After SMT solving in domain Real declared 560/560 variables, and 232 constraints, problems are : Problem set: 1 solved, 6 unsolved in 1947 ms.
Refiners :[Positive P Invariants (semi-flows): 8/8 constraints, State Equation: 164/164 constraints, ReadFeed: 58/58 constraints, PredecessorRefiner: 7/7 constraints, Known Traps: 2/2 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 1 solved, 6 unsolved
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/10 variables, 0/0 constraints. Problems are: Problem set: 1 solved, 6 unsolved
At refinement iteration 1 (OVERLAPS) 134/144 variables, 5/5 constraints. Problems are: Problem set: 1 solved, 6 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/144 variables, 0/5 constraints. Problems are: Problem set: 1 solved, 6 unsolved
At refinement iteration 3 (OVERLAPS) 9/153 variables, 3/8 constraints. Problems are: Problem set: 1 solved, 6 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/153 variables, 2/10 constraints. Problems are: Problem set: 1 solved, 6 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 12:59:22] [INFO ] Deduced a trap composed of 42 places in 72 ms of which 4 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 12:59:23] [INFO ] Deduced a trap composed of 24 places in 154 ms of which 21 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 12:59:23] [INFO ] Deduced a trap composed of 26 places in 151 ms of which 21 ms to minimize.
At refinement iteration 5 (INCLUDED_ONLY) 0/153 variables, 3/13 constraints. Problems are: Problem set: 1 solved, 6 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/153 variables, 0/13 constraints. Problems are: Problem set: 1 solved, 6 unsolved
At refinement iteration 7 (OVERLAPS) 387/540 variables, 153/166 constraints. Problems are: Problem set: 1 solved, 6 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/540 variables, 55/221 constraints. Problems are: Problem set: 1 solved, 6 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/540 variables, 6/227 constraints. Problems are: Problem set: 1 solved, 6 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/540 variables, 0/227 constraints. Problems are: Problem set: 1 solved, 6 unsolved
At refinement iteration 11 (OVERLAPS) 19/559 variables, 11/238 constraints. Problems are: Problem set: 1 solved, 6 unsolved
At refinement iteration 12 (INCLUDED_ONLY) 0/559 variables, 2/240 constraints. Problems are: Problem set: 1 solved, 6 unsolved
At refinement iteration 13 (INCLUDED_ONLY) 0/559 variables, 0/240 constraints. Problems are: Problem set: 1 solved, 6 unsolved
At refinement iteration 14 (OVERLAPS) 1/560 variables, 1/241 constraints. Problems are: Problem set: 1 solved, 6 unsolved
At refinement iteration 15 (INCLUDED_ONLY) 0/560 variables, 0/241 constraints. Problems are: Problem set: 1 solved, 6 unsolved
At refinement iteration 16 (OVERLAPS) 0/560 variables, 0/241 constraints. Problems are: Problem set: 1 solved, 6 unsolved
No progress, stopping.
After SMT solving in domain Int declared 560/560 variables, and 241 constraints, problems are : Problem set: 1 solved, 6 unsolved in 2549 ms.
Refiners :[Positive P Invariants (semi-flows): 8/8 constraints, State Equation: 164/164 constraints, ReadFeed: 58/58 constraints, PredecessorRefiner: 6/7 constraints, Known Traps: 5/5 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 4603ms problems are : Problem set: 1 solved, 6 unsolved
Fused 6 Parikh solutions to 5 different solutions.
Parikh walk visited 0 properties in 1591 ms.
Support contains 10 out of 164 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 164/164 places, 428/428 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 425
Performed 5 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 1 with 5 Pre rules applied. Total rules applied 3 place count 164 transition count 420
Deduced a syphon composed of 5 places in 0 ms
Reduce places removed 5 places and 0 transitions.
Iterating global reduction 1 with 10 rules applied. Total rules applied 13 place count 159 transition count 420
Performed 3 Post agglomeration using F-continuation condition.Transition count delta: -9
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 19 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 25 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 28 place count 156 transition count 420
Free-agglomeration rule (complex) applied 2 times.
Iterating global reduction 2 with 2 rules applied. Total rules applied 30 place count 156 transition count 423
Reduce places removed 2 places and 0 transitions.
Drop transitions (Empty/Sink Transition effects.) removed 2 transitions
Ensure Unique test removed 1 transitions
Reduce isomorphic transitions removed 3 transitions.
Iterating post reduction 2 with 5 rules applied. Total rules applied 35 place count 154 transition count 420
Drop transitions (Redundant composition of simpler transitions.) removed 2 transitions
Redundant transition composition rules discarded 2 transitions
Iterating global reduction 3 with 2 rules applied. Total rules applied 37 place count 154 transition count 418
Partial Free-agglomeration rule applied 1 times.
Drop transitions (Partial Free agglomeration) removed 1 transitions
Iterating global reduction 3 with 1 rules applied. Total rules applied 38 place count 154 transition count 418
Reduce places removed 1 places and 1 transitions.
Iterating global reduction 3 with 1 rules applied. Total rules applied 39 place count 153 transition count 417
Applied a total of 39 rules in 141 ms. Remains 153 /164 variables (removed 11) and now considering 417/428 (removed 11) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 142 ms. Remains : 153/164 places, 417/428 transitions.
RANDOM walk for 40000 steps (1256 resets) in 1053 ms. (37 steps per ms) remains 4/6 properties
BEST_FIRST walk for 40004 steps (268 resets) in 128 ms. (310 steps per ms) remains 4/4 properties
BEST_FIRST walk for 40003 steps (8 resets) in 97 ms. (408 steps per ms) remains 4/4 properties
BEST_FIRST walk for 40004 steps (272 resets) in 127 ms. (312 steps per ms) remains 4/4 properties
BEST_FIRST walk for 40002 steps (273 resets) in 160 ms. (248 steps per ms) remains 4/4 properties
[2025-06-02 12:59:27] [INFO ] Flow matrix only has 382 transitions (discarded 35 similar events)
// Phase 1: matrix 382 rows 153 cols
[2025-06-02 12:59:27] [INFO ] Computed 8 invariants in 8 ms
[2025-06-02 12:59:27] [INFO ] State equation strengthened by 56 read => feed constraints.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/8 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 1 (OVERLAPS) 129/137 variables, 5/5 constraints. Problems are: Problem set: 0 solved, 4 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 12:59:27] [INFO ] Deduced a trap composed of 23 places in 165 ms of which 17 ms to minimize.
At refinement iteration 2 (INCLUDED_ONLY) 0/137 variables, 1/6 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/137 variables, 0/6 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 4 (OVERLAPS) 376/513 variables, 137/143 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/513 variables, 56/199 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/513 variables, 0/199 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 7 (OVERLAPS) 20/533 variables, 14/213 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/533 variables, 3/216 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/533 variables, 0/216 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 10 (OVERLAPS) 2/535 variables, 2/218 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/535 variables, 0/218 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 12 (OVERLAPS) 0/535 variables, 0/218 constraints. Problems are: Problem set: 0 solved, 4 unsolved
No progress, stopping.
After SMT solving in domain Real declared 535/535 variables, and 218 constraints, problems are : Problem set: 0 solved, 4 unsolved in 1295 ms.
Refiners :[Positive P Invariants (semi-flows): 8/8 constraints, State Equation: 153/153 constraints, ReadFeed: 56/56 constraints, PredecessorRefiner: 4/4 constraints, Known Traps: 1/1 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 4 unsolved
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/8 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 1 (OVERLAPS) 129/137 variables, 5/5 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/137 variables, 1/6 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/137 variables, 0/6 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 4 (OVERLAPS) 376/513 variables, 137/143 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/513 variables, 56/199 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/513 variables, 4/203 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/513 variables, 0/203 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 8 (OVERLAPS) 20/533 variables, 14/217 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/533 variables, 3/220 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/533 variables, 0/220 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 11 (OVERLAPS) 2/535 variables, 2/222 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 12 (INCLUDED_ONLY) 0/535 variables, 0/222 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 13 (OVERLAPS) 0/535 variables, 0/222 constraints. Problems are: Problem set: 0 solved, 4 unsolved
No progress, stopping.
After SMT solving in domain Int declared 535/535 variables, and 222 constraints, problems are : Problem set: 0 solved, 4 unsolved in 1771 ms.
Refiners :[Positive P Invariants (semi-flows): 8/8 constraints, State Equation: 153/153 constraints, ReadFeed: 56/56 constraints, PredecessorRefiner: 4/4 constraints, Known Traps: 1/1 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 3108ms problems are : Problem set: 0 solved, 4 unsolved
Parikh walk visited 1 properties in 1047 ms.
Support contains 8 out of 153 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 153/153 places, 417/417 transitions.
Free-agglomeration rule (complex) applied 2 times.
Iterating global reduction 0 with 2 rules applied. Total rules applied 2 place count 153 transition count 420
Reduce places removed 2 places and 0 transitions.
Drop transitions (Empty/Sink Transition effects.) removed 2 transitions
Ensure Unique test removed 1 transitions
Reduce isomorphic transitions removed 3 transitions.
Iterating post reduction 0 with 5 rules applied. Total rules applied 7 place count 151 transition count 417
Drop transitions (Redundant composition of simpler transitions.) removed 2 transitions
Redundant transition composition rules discarded 2 transitions
Iterating global reduction 1 with 2 rules applied. Total rules applied 9 place count 151 transition count 415
Applied a total of 9 rules in 36 ms. Remains 151 /153 variables (removed 2) and now considering 415/417 (removed 2) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 36 ms. Remains : 151/153 places, 415/417 transitions.
RANDOM walk for 40000 steps (1268 resets) in 206 ms. (193 steps per ms) remains 3/3 properties
BEST_FIRST walk for 40003 steps (8 resets) in 57 ms. (689 steps per ms) remains 3/3 properties
BEST_FIRST walk for 40004 steps (264 resets) in 60 ms. (655 steps per ms) remains 3/3 properties
BEST_FIRST walk for 40003 steps (254 resets) in 62 ms. (634 steps per ms) remains 3/3 properties
Interrupted probabilistic random walk after 897923 steps, run timeout after 3001 ms. (steps per millisecond=299 ) properties seen :2 out of 3
Probabilistic random walk after 897923 steps, saw 222868 distinct states, run finished after 3006 ms. (steps per millisecond=298 ) properties seen :2
[2025-06-02 12:59:34] [INFO ] Flow matrix only has 379 transitions (discarded 36 similar events)
// Phase 1: matrix 379 rows 151 cols
[2025-06-02 12:59:34] [INFO ] Computed 8 invariants in 4 ms
[2025-06-02 12:59:34] [INFO ] State equation strengthened by 56 read => feed constraints.
Starting Z3 with timeout 75.0 s and query timeout 7500.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/4 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 1 (OVERLAPS) 92/96 variables, 4/4 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/96 variables, 0/4 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (OVERLAPS) 333/429 variables, 96/100 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/429 variables, 36/136 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/429 variables, 0/136 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (OVERLAPS) 91/520 variables, 48/184 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/520 variables, 3/187 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/520 variables, 20/207 constraints. Problems are: Problem set: 0 solved, 1 unsolved
All remaining problems are real, not stopping.
At refinement iteration 9 (INCLUDED_ONLY) 0/520 variables, 0/207 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (OVERLAPS) 9/529 variables, 6/213 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/529 variables, 1/214 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 12 (INCLUDED_ONLY) 0/529 variables, 0/214 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 13 (OVERLAPS) 1/530 variables, 1/215 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 14 (INCLUDED_ONLY) 0/530 variables, 0/215 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 15 (OVERLAPS) 0/530 variables, 0/215 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Real declared 530/530 variables, and 215 constraints, problems are : Problem set: 0 solved, 1 unsolved in 385 ms.
Refiners :[Positive P Invariants (semi-flows): 8/8 constraints, State Equation: 151/151 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) 92/96 variables, 4/4 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/96 variables, 0/4 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (OVERLAPS) 333/429 variables, 96/100 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/429 variables, 36/136 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/429 variables, 1/137 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/429 variables, 0/137 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (OVERLAPS) 91/520 variables, 48/185 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/520 variables, 3/188 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/520 variables, 20/208 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/520 variables, 0/208 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 11 (OVERLAPS) 9/529 variables, 6/214 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 12 (INCLUDED_ONLY) 0/529 variables, 1/215 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 13 (INCLUDED_ONLY) 0/529 variables, 0/215 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 14 (OVERLAPS) 1/530 variables, 1/216 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 15 (INCLUDED_ONLY) 0/530 variables, 0/216 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 16 (OVERLAPS) 0/530 variables, 0/216 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Int declared 530/530 variables, and 216 constraints, problems are : Problem set: 0 solved, 1 unsolved in 538 ms.
Refiners :[Positive P Invariants (semi-flows): 8/8 constraints, State Equation: 151/151 constraints, ReadFeed: 56/56 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 941ms problems are : Problem set: 0 solved, 1 unsolved
Parikh walk visited 0 properties in 18 ms.
Support contains 4 out of 151 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 151/151 places, 415/415 transitions.
Applied a total of 0 rules in 10 ms. Remains 151 /151 variables (removed 0) and now considering 415/415 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 10 ms. Remains : 151/151 places, 415/415 transitions.
RANDOM walk for 40000 steps (1300 resets) in 134 ms. (296 steps per ms) remains 1/1 properties
BEST_FIRST walk for 40004 steps (8 resets) in 38 ms. (1025 steps per ms) remains 1/1 properties
Interrupted probabilistic random walk after 955121 steps, run timeout after 3001 ms. (steps per millisecond=318 ) properties seen :0 out of 1
Probabilistic random walk after 955121 steps, saw 238092 distinct states, run finished after 3001 ms. (steps per millisecond=318 ) properties seen :0
[2025-06-02 12:59:38] [INFO ] Flow matrix only has 379 transitions (discarded 36 similar events)
[2025-06-02 12:59:38] [INFO ] Invariant cache hit.
[2025-06-02 12:59:38] [INFO ] State equation strengthened by 56 read => feed constraints.
Starting Z3 with timeout 90.0 s and query timeout 9000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/4 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 1 (OVERLAPS) 92/96 variables, 4/4 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/96 variables, 0/4 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (OVERLAPS) 333/429 variables, 96/100 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/429 variables, 36/136 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/429 variables, 0/136 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (OVERLAPS) 91/520 variables, 48/184 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/520 variables, 3/187 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/520 variables, 20/207 constraints. Problems are: Problem set: 0 solved, 1 unsolved
All remaining problems are real, not stopping.
At refinement iteration 9 (INCLUDED_ONLY) 0/520 variables, 0/207 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (OVERLAPS) 9/529 variables, 6/213 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/529 variables, 1/214 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 12 (INCLUDED_ONLY) 0/529 variables, 0/214 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 13 (OVERLAPS) 1/530 variables, 1/215 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 14 (INCLUDED_ONLY) 0/530 variables, 0/215 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 15 (OVERLAPS) 0/530 variables, 0/215 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Real declared 530/530 variables, and 215 constraints, problems are : Problem set: 0 solved, 1 unsolved in 303 ms.
Refiners :[Positive P Invariants (semi-flows): 8/8 constraints, State Equation: 151/151 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 90.0 s and query timeout 9000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/4 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 1 (OVERLAPS) 92/96 variables, 4/4 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/96 variables, 0/4 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (OVERLAPS) 333/429 variables, 96/100 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/429 variables, 36/136 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/429 variables, 1/137 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/429 variables, 0/137 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (OVERLAPS) 91/520 variables, 48/185 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/520 variables, 3/188 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/520 variables, 20/208 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/520 variables, 0/208 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 11 (OVERLAPS) 9/529 variables, 6/214 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 12 (INCLUDED_ONLY) 0/529 variables, 1/215 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 13 (INCLUDED_ONLY) 0/529 variables, 0/215 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 14 (OVERLAPS) 1/530 variables, 1/216 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 15 (INCLUDED_ONLY) 0/530 variables, 0/216 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 16 (OVERLAPS) 0/530 variables, 0/216 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Int declared 530/530 variables, and 216 constraints, problems are : Problem set: 0 solved, 1 unsolved in 420 ms.
Refiners :[Positive P Invariants (semi-flows): 8/8 constraints, State Equation: 151/151 constraints, ReadFeed: 56/56 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 748ms problems are : Problem set: 0 solved, 1 unsolved
Parikh walk visited 0 properties in 22 ms.
Support contains 4 out of 151 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 151/151 places, 415/415 transitions.
Applied a total of 0 rules in 16 ms. Remains 151 /151 variables (removed 0) and now considering 415/415 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 17 ms. Remains : 151/151 places, 415/415 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 151/151 places, 415/415 transitions.
Applied a total of 0 rules in 15 ms. Remains 151 /151 variables (removed 0) and now considering 415/415 (removed 0) transitions.
[2025-06-02 12:59:39] [INFO ] Flow matrix only has 379 transitions (discarded 36 similar events)
[2025-06-02 12:59:39] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-02 12:59:39] [INFO ] Implicit Places using invariants in 251 ms returned []
[2025-06-02 12:59:39] [INFO ] Flow matrix only has 379 transitions (discarded 36 similar events)
[2025-06-02 12:59:39] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-02 12:59:40] [INFO ] State equation strengthened by 56 read => feed constraints.
[2025-06-02 12:59:40] [INFO ] Implicit Places using invariants and state equation in 645 ms returned [104]
Discarding 1 places :
Implicit Place search using SMT with State Equation took 903 ms to find 1 implicit places.
Starting structural reductions in REACHABILITY mode, iteration 1 : 150/151 places, 415/415 transitions.
Applied a total of 0 rules in 15 ms. Remains 150 /150 variables (removed 0) and now considering 415/415 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 2 iterations and 933 ms. Remains : 150/151 places, 415/415 transitions.
RANDOM walk for 40000 steps (1271 resets) in 174 ms. (228 steps per ms) remains 1/1 properties
BEST_FIRST walk for 40004 steps (9 resets) in 45 ms. (869 steps per ms) remains 1/1 properties
Interrupted probabilistic random walk after 929173 steps, run timeout after 3001 ms. (steps per millisecond=309 ) properties seen :0 out of 1
Probabilistic random walk after 929173 steps, saw 231278 distinct states, run finished after 3002 ms. (steps per millisecond=309 ) properties seen :0
[2025-06-02 12:59:43] [INFO ] Flow matrix only has 379 transitions (discarded 36 similar events)
// Phase 1: matrix 379 rows 150 cols
[2025-06-02 12:59:43] [INFO ] Computed 7 invariants in 4 ms
[2025-06-02 12:59:43] [INFO ] State equation strengthened by 56 read => feed constraints.
Starting Z3 with timeout 105.0 s and query timeout 10500.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/4 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 1 (OVERLAPS) 89/93 variables, 3/3 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/93 variables, 0/3 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (OVERLAPS) 332/425 variables, 93/96 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/425 variables, 36/132 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/425 variables, 0/132 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (OVERLAPS) 94/519 variables, 50/182 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/519 variables, 3/185 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/519 variables, 20/205 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/519 variables, 0/205 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (OVERLAPS) 9/528 variables, 6/211 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/528 variables, 1/212 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 12 (INCLUDED_ONLY) 0/528 variables, 0/212 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 13 (OVERLAPS) 1/529 variables, 1/213 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 14 (INCLUDED_ONLY) 0/529 variables, 0/213 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 15 (OVERLAPS) 0/529 variables, 0/213 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Real declared 529/529 variables, and 213 constraints, problems are : Problem set: 0 solved, 1 unsolved in 479 ms.
Refiners :[Positive P Invariants (semi-flows): 7/7 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 105.0 s and query timeout 10500.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/4 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 1 (OVERLAPS) 89/93 variables, 3/3 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/93 variables, 0/3 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (OVERLAPS) 332/425 variables, 93/96 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/425 variables, 36/132 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/425 variables, 0/132 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (OVERLAPS) 94/519 variables, 50/182 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/519 variables, 3/185 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/519 variables, 20/205 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/519 variables, 1/206 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/519 variables, 0/206 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 11 (OVERLAPS) 9/528 variables, 6/212 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 12 (INCLUDED_ONLY) 0/528 variables, 1/213 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 13 (INCLUDED_ONLY) 0/528 variables, 0/213 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 14 (OVERLAPS) 1/529 variables, 1/214 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 15 (INCLUDED_ONLY) 0/529 variables, 0/214 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 16 (OVERLAPS) 0/529 variables, 0/214 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Int declared 529/529 variables, and 214 constraints, problems are : Problem set: 0 solved, 1 unsolved in 493 ms.
Refiners :[Positive P Invariants (semi-flows): 7/7 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 997ms problems are : Problem set: 0 solved, 1 unsolved
Parikh walk visited 0 properties in 20 ms.
Support contains 4 out of 150 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 150/150 places, 415/415 transitions.
Applied a total of 0 rules in 14 ms. Remains 150 /150 variables (removed 0) and now considering 415/415 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 15 ms. Remains : 150/150 places, 415/415 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 150/150 places, 415/415 transitions.
Applied a total of 0 rules in 13 ms. Remains 150 /150 variables (removed 0) and now considering 415/415 (removed 0) transitions.
[2025-06-02 12:59:44] [INFO ] Flow matrix only has 379 transitions (discarded 36 similar events)
[2025-06-02 12:59:44] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-02 12:59:44] [INFO ] Implicit Places using invariants in 227 ms returned []
[2025-06-02 12:59:44] [INFO ] Flow matrix only has 379 transitions (discarded 36 similar events)
[2025-06-02 12:59:44] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-02 12:59:44] [INFO ] State equation strengthened by 56 read => feed constraints.
[2025-06-02 12:59:45] [INFO ] Implicit Places using invariants and state equation in 488 ms returned []
Implicit Place search using SMT with State Equation took 717 ms to find 0 implicit places.
Starting Z3 with timeout 200.0 s and query timeout 20000.0 ms
[2025-06-02 12:59:45] [INFO ] Redundant transitions in 47 ms returned []
Running 409 sub problems to find dead transitions.
[2025-06-02 12:59:45] [INFO ] Flow matrix only has 379 transitions (discarded 36 similar events)
[2025-06-02 12:59:45] [INFO ] Invariant cache hit.
[2025-06-02 12:59:45] [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) 0/150 variables, 7/7 constraints. Problems are: Problem set: 0 solved, 409 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 12:59:48] [INFO ] Deduced a trap composed of 51 places in 273 ms of which 34 ms to minimize.
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 23 places in 262 ms of which 25 ms to minimize.
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 17 places in 202 ms of which 18 ms to minimize.
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 25 places in 261 ms of which 26 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 12:59:50] [INFO ] Deduced a trap composed of 32 places in 67 ms of which 4 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 12:59:50] [INFO ] Deduced a trap composed of 34 places in 62 ms of which 5 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 12:59:51] [INFO ] Deduced a trap composed of 32 places in 64 ms of which 4 ms to minimize.
At refinement iteration 1 (INCLUDED_ONLY) 0/150 variables, 7/14 constraints. Problems are: Problem set: 0 solved, 409 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/150 variables, 0/14 constraints. Problems are: Problem set: 0 solved, 409 unsolved
At refinement iteration 3 (OVERLAPS) 379/529 variables, 150/164 constraints. Problems are: Problem set: 0 solved, 409 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/529 variables, 56/220 constraints. Problems are: Problem set: 0 solved, 409 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 13:00:04] [INFO ] Deduced a trap composed of 17 places in 195 ms of which 16 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 13:00:04] [INFO ] Deduced a trap composed of 17 places in 189 ms of which 13 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 13:00:07] [INFO ] Deduced a trap composed of 31 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 13:00:07] [INFO ] Deduced a trap composed of 33 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 13:00:08] [INFO ] Deduced a trap composed of 32 places in 61 ms of which 4 ms to minimize.
At refinement iteration 5 (INCLUDED_ONLY) 0/529 variables, 5/225 constraints. Problems are: Problem set: 0 solved, 409 unsolved
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org.smtlib.IParser$ParserException: Unbalanced parentheses at end of input")
Solver is answering 'unknown', stopping.
After SMT solving in domain Real declared 529/529 variables, and 225 constraints, problems are : Problem set: 0 solved, 409 unsolved in 30058 ms.
Refiners :[Positive P Invariants (semi-flows): 7/7 constraints, State Equation: 150/150 constraints, ReadFeed: 56/56 constraints, PredecessorRefiner: 409/409 constraints, Known Traps: 12/12 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 409 unsolved
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/150 variables, 7/7 constraints. Problems are: Problem set: 0 solved, 409 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/150 variables, 12/19 constraints. Problems are: Problem set: 0 solved, 409 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/150 variables, 0/19 constraints. Problems are: Problem set: 0 solved, 409 unsolved
At refinement iteration 3 (OVERLAPS) 379/529 variables, 150/169 constraints. Problems are: Problem set: 0 solved, 409 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/529 variables, 56/225 constraints. Problems are: Problem set: 0 solved, 409 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/529 variables, 409/634 constraints. Problems are: Problem set: 0 solved, 409 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 529/529 variables, and 634 constraints, problems are : Problem set: 0 solved, 409 unsolved in 30042 ms.
Refiners :[Positive P Invariants (semi-flows): 7/7 constraints, State Equation: 150/150 constraints, ReadFeed: 56/56 constraints, PredecessorRefiner: 409/409 constraints, Known Traps: 12/12 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 60650ms problems are : Problem set: 0 solved, 409 unsolved
Search for dead transitions found 0 dead transitions in 60659ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 61454 ms. Remains : 150/150 places, 415/415 transitions.
Attempting over-approximation, by ignoring read arcs.
Graph (trivial) has 129 edges and 150 vertex of which 29 / 150 are part of one of the 4 SCC in 2 ms
Free SCC test removed 25 places
Drop transitions (Empty/Sink Transition effects.) removed 121 transitions
Ensure Unique test removed 21 transitions
Reduce isomorphic transitions removed 142 transitions.
Drop transitions (Redundant composition of simpler transitions.) removed 10 transitions
Redundant transition composition rules discarded 10 transitions
Iterating global reduction 0 with 10 rules applied. Total rules applied 11 place count 125 transition count 263
Performed 1 Post agglomeration using F-continuation condition.Transition count delta: 1
Iterating post reduction 0 with 1 rules applied. Total rules applied 12 place count 125 transition count 262
Reduce places removed 1 places and 0 transitions.
Iterating post reduction 1 with 1 rules applied. Total rules applied 13 place count 124 transition count 262
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 15 place count 123 transition count 261
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 17 place count 123 transition count 259
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 19 place count 122 transition count 258
Discarding 1 places :
Symmetric choice reduction at 2 with 1 rule applications. Total rules 20 place count 121 transition count 219
Iterating global reduction 2 with 1 rules applied. Total rules applied 21 place count 121 transition count 219
Free-agglomeration rule applied 7 times with reduction of 4 identical transitions.
Iterating global reduction 2 with 7 rules applied. Total rules applied 28 place count 121 transition count 208
Reduce places removed 7 places and 0 transitions.
Ensure Unique test removed 3 transitions
Reduce isomorphic transitions removed 3 transitions.
Iterating post reduction 2 with 10 rules applied. Total rules applied 38 place count 114 transition count 205
Partial Free-agglomeration rule applied 4 times.
Drop transitions (Partial Free agglomeration) removed 4 transitions
Iterating global reduction 3 with 4 rules applied. Total rules applied 42 place count 114 transition count 205
Applied a total of 42 rules in 56 ms. Remains 114 /150 variables (removed 36) and now considering 205/415 (removed 210) transitions.
Running SMT prover for 1 properties.
[2025-06-02 13:00:46] [INFO ] Flow matrix only has 203 transitions (discarded 2 similar events)
// Phase 1: matrix 203 rows 114 cols
[2025-06-02 13:00:46] [INFO ] Computed 7 invariants in 1 ms
Starting Z3 with timeout 450.0 s and query timeout 45000.0 ms
[2025-06-02 13:00:46] [INFO ] [Real]Absence check using 7 positive place invariants in 5 ms returned sat
[2025-06-02 13:00:46] [INFO ] After 190ms 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 13:00:46] [INFO ] [Nat]Absence check using 7 positive place invariants in 5 ms returned sat
[2025-06-02 13:00:46] [INFO ] After 127ms 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 13:00:46] [INFO ] Deduced a trap composed of 21 places in 46 ms of which 4 ms to minimize.
[2025-06-02 13:00:46] [INFO ] Trap strengthening (SAT) tested/added 2/1 trap constraints in 75 ms
TRAPS : Iteration 1
[2025-06-02 13:00:46] [INFO ] After 253ms SMT Verify possible using trap constraints in natural domain returned unsat :0 sat :1
[2025-06-02 13:00:46] [INFO ] After 332ms SMT Verify possible using all constraints in natural domain returned unsat :0 sat :1
Over-approximation ignoring read arcs solved 0 properties in 598 ms.
Successfully simplified 1 atomic propositions for a total of 13 simplifications.
Computed a total of 20 stabilizing places and 31 stable transitions
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202505121319/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!(F(p0))'
Support contains 2 out of 164 places. Attempting structural reductions.
Starting structural reductions in SI_LTL mode, iteration 0 : 164/164 places, 428/428 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 163 transition count 421
Deduced a syphon composed of 6 places in 1 ms
Reduce places removed 6 places and 0 transitions.
Iterating global reduction 0 with 12 rules applied. Total rules applied 12 place count 157 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 0 with 4 rules applied. Total rules applied 16 place count 155 transition count 427
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 20 place count 155 transition count 423
Applied a total of 20 rules in 72 ms. Remains 155 /164 variables (removed 9) and now considering 423/428 (removed 5) transitions.
[2025-06-02 13:00:47] [INFO ] Flow matrix only has 387 transitions (discarded 36 similar events)
// Phase 1: matrix 387 rows 155 cols
[2025-06-02 13:00:47] [INFO ] Computed 8 invariants in 3 ms
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-02 13:00:47] [INFO ] Implicit Places using invariants in 231 ms returned []
[2025-06-02 13:00:47] [INFO ] Flow matrix only has 387 transitions (discarded 36 similar events)
[2025-06-02 13:00:47] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-02 13:00:47] [INFO ] State equation strengthened by 56 read => feed constraints.
[2025-06-02 13:00:48] [INFO ] Implicit Places using invariants and state equation in 633 ms returned [106]
Discarding 1 places :
Implicit Place search using SMT with State Equation took 867 ms to find 1 implicit places.
Starting structural reductions in SI_LTL mode, iteration 1 : 154/164 places, 423/428 transitions.
Applied a total of 0 rules in 23 ms. Remains 154 /154 variables (removed 0) and now considering 423/423 (removed 0) transitions.
Finished structural reductions in SI_LTL mode , in 2 iterations and 962 ms. Remains : 154/164 places, 423/428 transitions.
Stuttering acceptance computed with spot in 294 ms :[(NOT p0)]
Running random walk in product with property : FireWire-PT-12-LTLFireability-00
Stuttering criterion allowed to conclude after 0 steps with 0 reset in 2 ms.
FORMULA FireWire-PT-12-LTLFireability-00 FALSE TECHNIQUES STUTTER_TEST
Treatment of property FireWire-PT-12-LTLFireability-00 finished in 1366 ms.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202505121319/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!(F(G((p0 U !p1))))'
Support contains 4 out of 164 places. Attempting structural reductions.
Starting structural reductions in SI_LTL mode, iteration 0 : 164/164 places, 428/428 transitions.
Reduce places removed 1 places and 1 transitions.
Performed 5 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 0 with 5 Pre rules applied. Total rules applied 0 place count 163 transition count 422
Deduced a syphon composed of 5 places in 0 ms
Reduce places removed 5 places and 0 transitions.
Iterating global reduction 0 with 10 rules applied. Total rules applied 10 place count 158 transition count 422
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 16 place count 155 transition count 431
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 22 place count 155 transition count 425
Applied a total of 22 rules in 53 ms. Remains 155 /164 variables (removed 9) and now considering 425/428 (removed 3) transitions.
[2025-06-02 13:00:48] [INFO ] Flow matrix only has 386 transitions (discarded 39 similar events)
// Phase 1: matrix 386 rows 155 cols
[2025-06-02 13:00:48] [INFO ] Computed 8 invariants in 3 ms
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-02 13:00:48] [INFO ] Implicit Places using invariants in 219 ms returned []
[2025-06-02 13:00:48] [INFO ] Flow matrix only has 386 transitions (discarded 39 similar events)
[2025-06-02 13:00:48] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-02 13:00:49] [INFO ] State equation strengthened by 56 read => feed constraints.
[2025-06-02 13:00:49] [INFO ] Implicit Places using invariants and state equation in 684 ms returned [106]
Discarding 1 places :
Implicit Place search using SMT with State Equation took 906 ms to find 1 implicit places.
Starting structural reductions in SI_LTL mode, iteration 1 : 154/164 places, 425/428 transitions.
Applied a total of 0 rules in 13 ms. Remains 154 /154 variables (removed 0) and now considering 425/425 (removed 0) transitions.
Finished structural reductions in SI_LTL mode , in 2 iterations and 973 ms. Remains : 154/164 places, 425/428 transitions.
Stuttering acceptance computed with spot in 133 ms :[p1, p1]
Running random walk in product with property : FireWire-PT-12-LTLFireability-01
Product exploration explored 100000 steps with 1 reset in 453 ms.
Product exploration explored 100000 steps with 1 reset in 255 ms.
Computed a total of 13 stabilizing places and 28 stable transitions
Computed a total of 13 stabilizing places and 28 stable transitions
Knowledge obtained : [(AND (NOT p1) (NOT p0)), (X (NOT (AND p1 p0))), (X (OR (NOT p1) p0)), (X (NOT (AND p1 (NOT p0)))), (X (NOT p0)), (X (NOT p1)), (X (X (NOT (AND p1 p0)))), (X (X (OR (NOT p1) p0))), (X (X (NOT (AND p1 (NOT p0))))), (X (X (NOT p0))), (X (X (NOT p1)))]
False Knowledge obtained : []
Knowledge based reduction with 11 factoid took 155 ms. Reduced automaton from 2 states, 5 edges and 2 AP (stutter insensitive) to 2 states, 5 edges and 2 AP (stutter insensitive).
Stuttering acceptance computed with spot in 103 ms :[p1, p1]
Reduction of identical properties reduced properties to check from 5 to 3
RANDOM walk for 40000 steps (1241 resets) in 236 ms. (168 steps per ms) remains 3/3 properties
BEST_FIRST walk for 40001 steps (8 resets) in 231 ms. (172 steps per ms) remains 3/3 properties
BEST_FIRST walk for 40004 steps (9 resets) in 344 ms. (115 steps per ms) remains 3/3 properties
BEST_FIRST walk for 40004 steps (253 resets) in 184 ms. (216 steps per ms) remains 3/3 properties
Interrupted probabilistic random walk after 607480 steps, run timeout after 3001 ms. (steps per millisecond=202 ) properties seen :0 out of 3
Probabilistic random walk after 607480 steps, saw 137629 distinct states, run finished after 3001 ms. (steps per millisecond=202 ) properties seen :0
[2025-06-02 13:00:53] [INFO ] Flow matrix only has 386 transitions (discarded 39 similar events)
// Phase 1: matrix 386 rows 154 cols
[2025-06-02 13:00:53] [INFO ] Computed 7 invariants in 2 ms
[2025-06-02 13:00:53] [INFO ] State equation strengthened by 56 read => feed constraints.
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
Problem apf1 is UNSAT
At refinement iteration 0 (INCLUDED_ONLY) 0/4 variables, 0/0 constraints. Problems are: Problem set: 1 solved, 2 unsolved
At refinement iteration 1 (OVERLAPS) 91/95 variables, 3/3 constraints. Problems are: Problem set: 1 solved, 2 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/95 variables, 0/3 constraints. Problems are: Problem set: 1 solved, 2 unsolved
At refinement iteration 3 (OVERLAPS) 335/430 variables, 95/98 constraints. Problems are: Problem set: 1 solved, 2 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/430 variables, 36/134 constraints. Problems are: Problem set: 1 solved, 2 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/430 variables, 0/134 constraints. Problems are: Problem set: 1 solved, 2 unsolved
All remaining problems are real, not stopping.
At refinement iteration 6 (OVERLAPS) 97/527 variables, 50/184 constraints. Problems are: Problem set: 1 solved, 2 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/527 variables, 2/186 constraints. Problems are: Problem set: 1 solved, 2 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/527 variables, 20/206 constraints. Problems are: Problem set: 1 solved, 2 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/527 variables, 0/206 constraints. Problems are: Problem set: 1 solved, 2 unsolved
At refinement iteration 10 (OVERLAPS) 1/528 variables, 1/207 constraints. Problems are: Problem set: 1 solved, 2 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/528 variables, 1/208 constraints. Problems are: Problem set: 1 solved, 2 unsolved
At refinement iteration 12 (INCLUDED_ONLY) 0/528 variables, 0/208 constraints. Problems are: Problem set: 1 solved, 2 unsolved
At refinement iteration 13 (OVERLAPS) 10/538 variables, 7/215 constraints. Problems are: Problem set: 1 solved, 2 unsolved
At refinement iteration 14 (INCLUDED_ONLY) 0/538 variables, 1/216 constraints. Problems are: Problem set: 1 solved, 2 unsolved
At refinement iteration 15 (INCLUDED_ONLY) 0/538 variables, 0/216 constraints. Problems are: Problem set: 1 solved, 2 unsolved
At refinement iteration 16 (OVERLAPS) 1/539 variables, 1/217 constraints. Problems are: Problem set: 1 solved, 2 unsolved
At refinement iteration 17 (INCLUDED_ONLY) 0/539 variables, 0/217 constraints. Problems are: Problem set: 1 solved, 2 unsolved
At refinement iteration 18 (OVERLAPS) 0/539 variables, 0/217 constraints. Problems are: Problem set: 1 solved, 2 unsolved
No progress, stopping.
After SMT solving in domain Real declared 539/540 variables, and 217 constraints, problems are : Problem set: 1 solved, 2 unsolved in 474 ms.
Refiners :[Positive P Invariants (semi-flows): 7/7 constraints, State Equation: 154/154 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: 1 solved, 2 unsolved
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/4 variables, 0/0 constraints. Problems are: Problem set: 1 solved, 2 unsolved
At refinement iteration 1 (OVERLAPS) 91/95 variables, 3/3 constraints. Problems are: Problem set: 1 solved, 2 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/95 variables, 0/3 constraints. Problems are: Problem set: 1 solved, 2 unsolved
At refinement iteration 3 (OVERLAPS) 335/430 variables, 95/98 constraints. Problems are: Problem set: 1 solved, 2 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/430 variables, 36/134 constraints. Problems are: Problem set: 1 solved, 2 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/430 variables, 0/134 constraints. Problems are: Problem set: 1 solved, 2 unsolved
At refinement iteration 6 (OVERLAPS) 97/527 variables, 50/184 constraints. Problems are: Problem set: 1 solved, 2 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/527 variables, 2/186 constraints. Problems are: Problem set: 1 solved, 2 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/527 variables, 20/206 constraints. Problems are: Problem set: 1 solved, 2 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/527 variables, 2/208 constraints. Problems are: Problem set: 1 solved, 2 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/527 variables, 0/208 constraints. Problems are: Problem set: 1 solved, 2 unsolved
At refinement iteration 11 (OVERLAPS) 1/528 variables, 1/209 constraints. Problems are: Problem set: 1 solved, 2 unsolved
At refinement iteration 12 (INCLUDED_ONLY) 0/528 variables, 1/210 constraints. Problems are: Problem set: 1 solved, 2 unsolved
At refinement iteration 13 (INCLUDED_ONLY) 0/528 variables, 0/210 constraints. Problems are: Problem set: 1 solved, 2 unsolved
At refinement iteration 14 (OVERLAPS) 10/538 variables, 7/217 constraints. Problems are: Problem set: 1 solved, 2 unsolved
At refinement iteration 15 (INCLUDED_ONLY) 0/538 variables, 1/218 constraints. Problems are: Problem set: 1 solved, 2 unsolved
At refinement iteration 16 (INCLUDED_ONLY) 0/538 variables, 0/218 constraints. Problems are: Problem set: 1 solved, 2 unsolved
At refinement iteration 17 (OVERLAPS) 1/539 variables, 1/219 constraints. Problems are: Problem set: 1 solved, 2 unsolved
At refinement iteration 18 (INCLUDED_ONLY) 0/539 variables, 0/219 constraints. Problems are: Problem set: 1 solved, 2 unsolved
At refinement iteration 19 (OVERLAPS) 0/539 variables, 0/219 constraints. Problems are: Problem set: 1 solved, 2 unsolved
No progress, stopping.
After SMT solving in domain Int declared 539/540 variables, and 219 constraints, problems are : Problem set: 1 solved, 2 unsolved in 556 ms.
Refiners :[Positive P Invariants (semi-flows): 7/7 constraints, State Equation: 154/154 constraints, ReadFeed: 56/56 constraints, PredecessorRefiner: 2/3 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 1041ms problems are : Problem set: 1 solved, 2 unsolved
Fused 2 Parikh solutions to 1 different solutions.
Parikh walk visited 0 properties in 61 ms.
Support contains 4 out of 154 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 154/154 places, 425/425 transitions.
Drop transitions (Empty/Sink Transition effects.) removed 6 transitions
Reduce isomorphic transitions removed 6 transitions.
Iterating post reduction 0 with 6 rules applied. Total rules applied 6 place count 154 transition count 419
Free-agglomeration rule (complex) applied 4 times.
Iterating global reduction 1 with 4 rules applied. Total rules applied 10 place count 154 transition count 425
Reduce places removed 4 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 1 with 10 rules applied. Total rules applied 20 place count 150 transition count 419
Drop transitions (Redundant composition of simpler transitions.) removed 4 transitions
Redundant transition composition rules discarded 4 transitions
Iterating global reduction 2 with 4 rules applied. Total rules applied 24 place count 150 transition count 415
Partial Free-agglomeration rule applied 1 times.
Drop transitions (Partial Free agglomeration) removed 1 transitions
Iterating global reduction 2 with 1 rules applied. Total rules applied 25 place count 150 transition count 415
Applied a total of 25 rules in 38 ms. Remains 150 /154 variables (removed 4) and now considering 415/425 (removed 10) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 38 ms. Remains : 150/154 places, 415/425 transitions.
RANDOM walk for 40000 steps (1283 resets) in 196 ms. (203 steps per ms) remains 2/2 properties
BEST_FIRST walk for 40003 steps (9 resets) in 41 ms. (952 steps per ms) remains 2/2 properties
BEST_FIRST walk for 40003 steps (275 resets) in 52 ms. (754 steps per ms) remains 2/2 properties
Interrupted probabilistic random walk after 637343 steps, run timeout after 3001 ms. (steps per millisecond=212 ) properties seen :0 out of 2
Probabilistic random walk after 637343 steps, saw 153781 distinct states, run finished after 3001 ms. (steps per millisecond=212 ) properties seen :0
[2025-06-02 13:00:58] [INFO ] Flow matrix only has 379 transitions (discarded 36 similar events)
// Phase 1: matrix 379 rows 150 cols
[2025-06-02 13:00:58] [INFO ] Computed 7 invariants in 2 ms
[2025-06-02 13:00:58] [INFO ] State equation strengthened by 56 read => feed constraints.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/4 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 1 (OVERLAPS) 89/93 variables, 3/3 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/93 variables, 0/3 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 3 (OVERLAPS) 332/425 variables, 93/96 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/425 variables, 36/132 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/425 variables, 0/132 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 6 (OVERLAPS) 94/519 variables, 50/182 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/519 variables, 3/185 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/519 variables, 20/205 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/519 variables, 0/205 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 10 (OVERLAPS) 9/528 variables, 6/211 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/528 variables, 1/212 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 12 (INCLUDED_ONLY) 0/528 variables, 0/212 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 13 (OVERLAPS) 1/529 variables, 1/213 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 14 (INCLUDED_ONLY) 0/529 variables, 0/213 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 15 (OVERLAPS) 0/529 variables, 0/213 constraints. Problems are: Problem set: 0 solved, 2 unsolved
No progress, stopping.
After SMT solving in domain Real declared 529/529 variables, and 213 constraints, problems are : Problem set: 0 solved, 2 unsolved in 685 ms.
Refiners :[Positive P Invariants (semi-flows): 7/7 constraints, State Equation: 150/150 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) 0/4 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 1 (OVERLAPS) 89/93 variables, 3/3 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/93 variables, 0/3 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 3 (OVERLAPS) 332/425 variables, 93/96 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/425 variables, 36/132 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/425 variables, 0/132 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 6 (OVERLAPS) 94/519 variables, 50/182 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/519 variables, 3/185 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/519 variables, 20/205 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/519 variables, 2/207 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/519 variables, 0/207 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 11 (OVERLAPS) 9/528 variables, 6/213 constraints. Problems are: Problem set: 0 solved, 2 unsolved
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) 1/529 variables, 1/215 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 15 (INCLUDED_ONLY) 0/529 variables, 0/215 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 13:00:59] [INFO ] Deduced a trap composed of 32 places in 60 ms of which 5 ms to minimize.
At refinement iteration 16 (OVERLAPS) 0/529 variables, 1/216 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 17 (INCLUDED_ONLY) 0/529 variables, 0/216 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 18 (OVERLAPS) 0/529 variables, 0/216 constraints. Problems are: Problem set: 0 solved, 2 unsolved
No progress, stopping.
After SMT solving in domain Int declared 529/529 variables, and 216 constraints, problems are : Problem set: 0 solved, 2 unsolved in 953 ms.
Refiners :[Positive P Invariants (semi-flows): 7/7 constraints, State Equation: 150/150 constraints, ReadFeed: 56/56 constraints, PredecessorRefiner: 2/2 constraints, Known Traps: 1/1 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 1652ms problems are : Problem set: 0 solved, 2 unsolved
Parikh walk visited 1 properties in 75 ms.
Support contains 4 out of 150 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 150/150 places, 415/415 transitions.
Applied a total of 0 rules in 12 ms. Remains 150 /150 variables (removed 0) and now considering 415/415 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 12 ms. Remains : 150/150 places, 415/415 transitions.
RANDOM walk for 40000 steps (1317 resets) in 184 ms. (216 steps per ms) remains 1/1 properties
BEST_FIRST walk for 40004 steps (9 resets) in 43 ms. (909 steps per ms) remains 1/1 properties
Interrupted probabilistic random walk after 946962 steps, run timeout after 3001 ms. (steps per millisecond=315 ) properties seen :0 out of 1
Probabilistic random walk after 946962 steps, saw 235587 distinct states, run finished after 3001 ms. (steps per millisecond=315 ) properties seen :0
[2025-06-02 13:01:03] [INFO ] Flow matrix only has 379 transitions (discarded 36 similar events)
[2025-06-02 13:01:03] [INFO ] Invariant cache hit.
[2025-06-02 13:01:03] [INFO ] State equation strengthened by 56 read => feed constraints.
Starting Z3 with timeout 75.0 s and query timeout 7500.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/4 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 1 (OVERLAPS) 89/93 variables, 3/3 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/93 variables, 0/3 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (OVERLAPS) 332/425 variables, 93/96 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/425 variables, 36/132 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/425 variables, 0/132 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (OVERLAPS) 94/519 variables, 50/182 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/519 variables, 3/185 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/519 variables, 20/205 constraints. Problems are: Problem set: 0 solved, 1 unsolved
All remaining problems are real, not stopping.
At refinement iteration 9 (INCLUDED_ONLY) 0/519 variables, 0/205 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (OVERLAPS) 9/528 variables, 6/211 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/528 variables, 1/212 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 12 (INCLUDED_ONLY) 0/528 variables, 0/212 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 13 (OVERLAPS) 1/529 variables, 1/213 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 14 (INCLUDED_ONLY) 0/529 variables, 0/213 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 15 (OVERLAPS) 0/529 variables, 0/213 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Real declared 529/529 variables, and 213 constraints, problems are : Problem set: 0 solved, 1 unsolved in 368 ms.
Refiners :[Positive P Invariants (semi-flows): 7/7 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 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) 89/93 variables, 3/3 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/93 variables, 0/3 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (OVERLAPS) 332/425 variables, 93/96 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/425 variables, 36/132 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/425 variables, 0/132 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (OVERLAPS) 94/519 variables, 50/182 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/519 variables, 3/185 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/519 variables, 20/205 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/519 variables, 1/206 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/519 variables, 0/206 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 11 (OVERLAPS) 9/528 variables, 6/212 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 12 (INCLUDED_ONLY) 0/528 variables, 1/213 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 13 (INCLUDED_ONLY) 0/528 variables, 0/213 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 14 (OVERLAPS) 1/529 variables, 1/214 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 15 (INCLUDED_ONLY) 0/529 variables, 0/214 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 16 (OVERLAPS) 0/529 variables, 0/214 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Int declared 529/529 variables, and 214 constraints, problems are : Problem set: 0 solved, 1 unsolved in 545 ms.
Refiners :[Positive P Invariants (semi-flows): 7/7 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 923ms problems are : Problem set: 0 solved, 1 unsolved
Parikh walk visited 0 properties in 17 ms.
Support contains 4 out of 150 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 150/150 places, 415/415 transitions.
Applied a total of 0 rules in 11 ms. Remains 150 /150 variables (removed 0) and now considering 415/415 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 11 ms. Remains : 150/150 places, 415/415 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 150/150 places, 415/415 transitions.
Applied a total of 0 rules in 9 ms. Remains 150 /150 variables (removed 0) and now considering 415/415 (removed 0) transitions.
[2025-06-02 13:01:03] [INFO ] Flow matrix only has 379 transitions (discarded 36 similar events)
[2025-06-02 13:01:03] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-02 13:01:04] [INFO ] Implicit Places using invariants in 247 ms returned []
[2025-06-02 13:01:04] [INFO ] Flow matrix only has 379 transitions (discarded 36 similar events)
[2025-06-02 13:01:04] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-02 13:01:04] [INFO ] State equation strengthened by 56 read => feed constraints.
[2025-06-02 13:01:04] [INFO ] Implicit Places using invariants and state equation in 667 ms returned []
Implicit Place search using SMT with State Equation took 917 ms to find 0 implicit places.
Starting Z3 with timeout 200.0 s and query timeout 20000.0 ms
[2025-06-02 13:01:04] [INFO ] Redundant transitions in 9 ms returned []
Running 409 sub problems to find dead transitions.
[2025-06-02 13:01:04] [INFO ] Flow matrix only has 379 transitions (discarded 36 similar events)
[2025-06-02 13:01:04] [INFO ] Invariant cache hit.
[2025-06-02 13:01:04] [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) 0/150 variables, 7/7 constraints. Problems are: Problem set: 0 solved, 409 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 13:01:08] [INFO ] Deduced a trap composed of 51 places in 242 ms of which 32 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 13:01:08] [INFO ] Deduced a trap composed of 23 places in 233 ms of which 25 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 13:01:08] [INFO ] Deduced a trap composed of 17 places in 187 ms of which 17 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 13:01:09] [INFO ] Deduced a trap composed of 25 places in 243 ms of which 26 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 13:01:09] [INFO ] Deduced a trap composed of 32 places in 58 ms of which 5 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 13:01:09] [INFO ] Deduced a trap composed of 34 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 13:01:10] [INFO ] Deduced a trap composed of 32 places in 39 ms of which 3 ms to minimize.
At refinement iteration 1 (INCLUDED_ONLY) 0/150 variables, 7/14 constraints. Problems are: Problem set: 0 solved, 409 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/150 variables, 0/14 constraints. Problems are: Problem set: 0 solved, 409 unsolved
At refinement iteration 3 (OVERLAPS) 379/529 variables, 150/164 constraints. Problems are: Problem set: 0 solved, 409 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/529 variables, 56/220 constraints. Problems are: Problem set: 0 solved, 409 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 13:01:21] [INFO ] Deduced a trap composed of 17 places in 164 ms of which 9 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 13:01:24] [INFO ] Deduced a trap composed of 33 places in 69 ms of which 5 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 13:01:24] [INFO ] Deduced a trap composed of 32 places in 64 ms of which 5 ms to minimize.
At refinement iteration 5 (INCLUDED_ONLY) 0/529 variables, 3/223 constraints. Problems are: Problem set: 0 solved, 409 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 13:01:30] [INFO ] Deduced a trap composed of 31 places in 64 ms of which 4 ms to minimize.
At refinement iteration 6 (INCLUDED_ONLY) 0/529 variables, 1/224 constraints. Problems are: Problem set: 0 solved, 409 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Real declared 529/529 variables, and 224 constraints, problems are : Problem set: 0 solved, 409 unsolved in 30020 ms.
Refiners :[Positive P Invariants (semi-flows): 7/7 constraints, State Equation: 150/150 constraints, ReadFeed: 56/56 constraints, PredecessorRefiner: 409/409 constraints, Known Traps: 11/11 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 409 unsolved
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/150 variables, 7/7 constraints. Problems are: Problem set: 0 solved, 409 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/150 variables, 11/18 constraints. Problems are: Problem set: 0 solved, 409 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/150 variables, 0/18 constraints. Problems are: Problem set: 0 solved, 409 unsolved
At refinement iteration 3 (OVERLAPS) 379/529 variables, 150/168 constraints. Problems are: Problem set: 0 solved, 409 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/529 variables, 56/224 constraints. Problems are: Problem set: 0 solved, 409 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/529 variables, 409/633 constraints. Problems are: Problem set: 0 solved, 409 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 13:01:59] [INFO ] Deduced a trap composed of 52 places in 217 ms of which 32 ms to minimize.
At refinement iteration 6 (INCLUDED_ONLY) 0/529 variables, 1/634 constraints. Problems are: Problem set: 0 solved, 409 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 529/529 variables, and 634 constraints, problems are : Problem set: 0 solved, 409 unsolved in 30019 ms.
Refiners :[Positive P Invariants (semi-flows): 7/7 constraints, State Equation: 150/150 constraints, ReadFeed: 56/56 constraints, PredecessorRefiner: 409/409 constraints, Known Traps: 12/12 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 60336ms problems are : Problem set: 0 solved, 409 unsolved
Search for dead transitions found 0 dead transitions in 60339ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 61284 ms. Remains : 150/150 places, 415/415 transitions.
Attempting over-approximation, by ignoring read arcs.
Graph (trivial) has 129 edges and 150 vertex of which 29 / 150 are part of one of the 4 SCC in 0 ms
Free SCC test removed 25 places
Drop transitions (Empty/Sink Transition effects.) removed 121 transitions
Ensure Unique test removed 21 transitions
Reduce isomorphic transitions removed 142 transitions.
Drop transitions (Redundant composition of simpler transitions.) removed 10 transitions
Redundant transition composition rules discarded 10 transitions
Iterating global reduction 0 with 10 rules applied. Total rules applied 11 place count 125 transition count 263
Performed 1 Post agglomeration using F-continuation condition.Transition count delta: 1
Iterating post reduction 0 with 1 rules applied. Total rules applied 12 place count 125 transition count 262
Reduce places removed 1 places and 0 transitions.
Iterating post reduction 1 with 1 rules applied. Total rules applied 13 place count 124 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 2 with 2 rules applied. Total rules applied 15 place count 123 transition count 261
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 17 place count 123 transition count 259
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 19 place count 122 transition count 258
Discarding 1 places :
Symmetric choice reduction at 2 with 1 rule applications. Total rules 20 place count 121 transition count 219
Iterating global reduction 2 with 1 rules applied. Total rules applied 21 place count 121 transition count 219
Free-agglomeration rule applied 7 times with reduction of 4 identical transitions.
Iterating global reduction 2 with 7 rules applied. Total rules applied 28 place count 121 transition count 208
Reduce places removed 7 places and 0 transitions.
Ensure Unique test removed 3 transitions
Reduce isomorphic transitions removed 3 transitions.
Iterating post reduction 2 with 10 rules applied. Total rules applied 38 place count 114 transition count 205
Partial Free-agglomeration rule applied 4 times.
Drop transitions (Partial Free agglomeration) removed 4 transitions
Iterating global reduction 3 with 4 rules applied. Total rules applied 42 place count 114 transition count 205
Applied a total of 42 rules in 30 ms. Remains 114 /150 variables (removed 36) and now considering 205/415 (removed 210) transitions.
Running SMT prover for 1 properties.
[2025-06-02 13:02:05] [INFO ] Flow matrix only has 203 transitions (discarded 2 similar events)
// Phase 1: matrix 203 rows 114 cols
[2025-06-02 13:02:05] [INFO ] Computed 7 invariants in 1 ms
Starting Z3 with timeout 450.0 s and query timeout 45000.0 ms
[2025-06-02 13:02:05] [INFO ] [Real]Absence check using 7 positive place invariants in 4 ms returned sat
[2025-06-02 13:02:05] [INFO ] After 137ms 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 13:02:05] [INFO ] [Nat]Absence check using 7 positive place invariants in 4 ms returned sat
[2025-06-02 13:02:05] [INFO ] After 99ms 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 13:02:05] [INFO ] Deduced a trap composed of 21 places in 44 ms of which 4 ms to minimize.
[2025-06-02 13:02:05] [INFO ] Trap strengthening (SAT) tested/added 2/1 trap constraints in 64 ms
TRAPS : Iteration 1
[2025-06-02 13:02:05] [INFO ] After 192ms SMT Verify possible using trap constraints in natural domain returned unsat :0 sat :1
[2025-06-02 13:02:05] [INFO ] After 257ms SMT Verify possible using all constraints in natural domain returned unsat :0 sat :1
Over-approximation ignoring read arcs solved 0 properties in 432 ms.
Found 2 invariant AP formulas.
Knowledge obtained : [(AND (NOT p1) (NOT p0)), (X (NOT (AND p1 p0))), (X (OR (NOT p1) p0)), (X (NOT (AND p1 (NOT p0)))), (X (NOT p0)), (X (NOT p1)), (X (X (NOT (AND p1 p0)))), (X (X (OR (NOT p1) p0))), (X (X (NOT (AND p1 (NOT p0))))), (X (X (NOT p0))), (X (X (NOT p1))), (G (OR p0 (NOT p1))), (G (OR p0 (NOT p1)))]
False Knowledge obtained : [(F p0)]
Knowledge based reduction with 13 factoid took 189 ms. Reduced automaton from 2 states, 5 edges and 2 AP (stutter insensitive) to 2 states, 3 edges and 1 AP (stutter insensitive).
Stuttering acceptance computed with spot in 93 ms :[p1, p1]
Stuttering acceptance computed with spot in 90 ms :[p1, p1]
Support contains 4 out of 154 places. Attempting structural reductions.
Starting structural reductions in SI_LTL mode, iteration 0 : 154/154 places, 425/425 transitions.
Applied a total of 0 rules in 13 ms. Remains 154 /154 variables (removed 0) and now considering 425/425 (removed 0) transitions.
[2025-06-02 13:02:06] [INFO ] Flow matrix only has 386 transitions (discarded 39 similar events)
// Phase 1: matrix 386 rows 154 cols
[2025-06-02 13:02:06] [INFO ] Computed 7 invariants in 3 ms
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-02 13:02:06] [INFO ] Implicit Places using invariants in 235 ms returned []
[2025-06-02 13:02:06] [INFO ] Flow matrix only has 386 transitions (discarded 39 similar events)
[2025-06-02 13:02:06] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-02 13:02:06] [INFO ] State equation strengthened by 56 read => feed constraints.
[2025-06-02 13:02:06] [INFO ] Implicit Places using invariants and state equation in 651 ms returned []
Implicit Place search using SMT with State Equation took 887 ms to find 0 implicit places.
Starting Z3 with timeout 200.0 s and query timeout 20000.0 ms
[2025-06-02 13:02:06] [INFO ] Redundant transitions in 6 ms returned []
Running 418 sub problems to find dead transitions.
[2025-06-02 13:02:07] [INFO ] Flow matrix only has 386 transitions (discarded 39 similar events)
[2025-06-02 13:02:07] [INFO ] Invariant cache hit.
[2025-06-02 13:02:07] [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) 0/154 variables, 7/7 constraints. Problems are: Problem set: 0 solved, 418 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 13:02:10] [INFO ] Deduced a trap composed of 53 places in 209 ms of which 18 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 13:02:10] [INFO ] Deduced a trap composed of 23 places in 245 ms of which 26 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 13:02:11] [INFO ] Deduced a trap composed of 17 places in 223 ms of which 18 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 13:02:11] [INFO ] Deduced a trap composed of 25 places in 245 ms of which 27 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 13:02:11] [INFO ] Deduced a trap composed of 34 places in 66 ms of which 5 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 13:02:11] [INFO ] Deduced a trap composed of 34 places in 59 ms of which 4 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 13:02:12] [INFO ] Deduced a trap composed of 34 places in 59 ms of which 5 ms to minimize.
At refinement iteration 1 (INCLUDED_ONLY) 0/154 variables, 7/14 constraints. Problems are: Problem set: 0 solved, 418 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/154 variables, 0/14 constraints. Problems are: Problem set: 0 solved, 418 unsolved
At refinement iteration 3 (OVERLAPS) 385/539 variables, 154/168 constraints. Problems are: Problem set: 0 solved, 418 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/539 variables, 56/224 constraints. Problems are: Problem set: 0 solved, 418 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 13:02:26] [INFO ] Deduced a trap composed of 17 places in 230 ms of which 23 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 13:02:29] [INFO ] Deduced a trap composed of 33 places in 64 ms of which 4 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 13:02:29] [INFO ] Deduced a trap composed of 33 places in 65 ms of which 4 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 13:02:29] [INFO ] Deduced a trap composed of 34 places in 65 ms of which 5 ms to minimize.
At refinement iteration 5 (INCLUDED_ONLY) 0/539 variables, 4/228 constraints. Problems are: Problem set: 0 solved, 418 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 13:02:32] [INFO ] Deduced a trap composed of 17 places in 173 ms of which 12 ms to minimize.
At refinement iteration 6 (INCLUDED_ONLY) 0/539 variables, 1/229 constraints. Problems are: Problem set: 0 solved, 418 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Real declared 539/540 variables, and 229 constraints, problems are : Problem set: 0 solved, 418 unsolved in 30021 ms.
Refiners :[Positive P Invariants (semi-flows): 7/7 constraints, State Equation: 154/154 constraints, ReadFeed: 56/56 constraints, PredecessorRefiner: 418/418 constraints, Known Traps: 12/12 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 418 unsolved
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/154 variables, 7/7 constraints. Problems are: Problem set: 0 solved, 418 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/154 variables, 12/19 constraints. Problems are: Problem set: 0 solved, 418 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/154 variables, 0/19 constraints. Problems are: Problem set: 0 solved, 418 unsolved
At refinement iteration 3 (OVERLAPS) 385/539 variables, 154/173 constraints. Problems are: Problem set: 0 solved, 418 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/539 variables, 56/229 constraints. Problems are: Problem set: 0 solved, 418 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/539 variables, 418/647 constraints. Problems are: Problem set: 0 solved, 418 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 539/540 variables, and 647 constraints, problems are : Problem set: 0 solved, 418 unsolved in 30019 ms.
Refiners :[Positive P Invariants (semi-flows): 7/7 constraints, State Equation: 154/154 constraints, ReadFeed: 56/56 constraints, PredecessorRefiner: 418/418 constraints, Known Traps: 12/12 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 60329ms problems are : Problem set: 0 solved, 418 unsolved
Search for dead transitions found 0 dead transitions in 60332ms
Finished structural reductions in SI_LTL mode , in 1 iterations and 61248 ms. Remains : 154/154 places, 425/425 transitions.
Computed a total of 13 stabilizing places and 28 stable transitions
Computed a total of 13 stabilizing places and 28 stable transitions
Knowledge obtained : [(NOT p1), (X (NOT p1)), (X (X (NOT p1)))]
False Knowledge obtained : []
Knowledge based reduction with 3 factoid took 100 ms. Reduced automaton from 2 states, 3 edges and 1 AP (stutter insensitive) to 2 states, 3 edges and 1 AP (stutter insensitive).
Stuttering acceptance computed with spot in 88 ms :[p1, p1]
RANDOM walk for 40000 steps (1232 resets) in 164 ms. (242 steps per ms) remains 1/1 properties
BEST_FIRST walk for 40003 steps (8 resets) in 31 ms. (1250 steps per ms) remains 1/1 properties
Interrupted probabilistic random walk after 998503 steps, run timeout after 3001 ms. (steps per millisecond=332 ) properties seen :0 out of 1
Probabilistic random walk after 998503 steps, saw 213856 distinct states, run finished after 3001 ms. (steps per millisecond=332 ) properties seen :0
[2025-06-02 13:03:10] [INFO ] Flow matrix only has 386 transitions (discarded 39 similar events)
[2025-06-02 13:03:10] [INFO ] Invariant cache hit.
[2025-06-02 13:03:10] [INFO ] State equation strengthened by 56 read => feed constraints.
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/4 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 1 (OVERLAPS) 91/95 variables, 3/3 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/95 variables, 0/3 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (OVERLAPS) 335/430 variables, 95/98 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/430 variables, 36/134 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/430 variables, 0/134 constraints. Problems are: Problem set: 0 solved, 1 unsolved
All remaining problems are real, not stopping.
At refinement iteration 6 (OVERLAPS) 97/527 variables, 50/184 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/527 variables, 2/186 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/527 variables, 20/206 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/527 variables, 0/206 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (OVERLAPS) 1/528 variables, 1/207 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/528 variables, 1/208 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 12 (INCLUDED_ONLY) 0/528 variables, 0/208 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 13 (OVERLAPS) 10/538 variables, 7/215 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 14 (INCLUDED_ONLY) 0/538 variables, 1/216 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 15 (INCLUDED_ONLY) 0/538 variables, 0/216 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 16 (OVERLAPS) 1/539 variables, 1/217 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 17 (INCLUDED_ONLY) 0/539 variables, 0/217 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 18 (OVERLAPS) 0/539 variables, 0/217 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Real declared 539/540 variables, and 217 constraints, problems are : Problem set: 0 solved, 1 unsolved in 261 ms.
Refiners :[Positive P Invariants (semi-flows): 7/7 constraints, State Equation: 154/154 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 5.0 s and query timeout 500.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/4 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 1 (OVERLAPS) 91/95 variables, 3/3 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/95 variables, 0/3 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (OVERLAPS) 335/430 variables, 95/98 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/430 variables, 36/134 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/430 variables, 0/134 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (OVERLAPS) 97/527 variables, 50/184 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/527 variables, 2/186 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/527 variables, 20/206 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/527 variables, 1/207 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/527 variables, 0/207 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 11 (OVERLAPS) 1/528 variables, 1/208 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 12 (INCLUDED_ONLY) 0/528 variables, 1/209 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 13 (INCLUDED_ONLY) 0/528 variables, 0/209 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 14 (OVERLAPS) 10/538 variables, 7/216 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 15 (INCLUDED_ONLY) 0/538 variables, 1/217 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 16 (INCLUDED_ONLY) 0/538 variables, 0/217 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 17 (OVERLAPS) 1/539 variables, 1/218 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 18 (INCLUDED_ONLY) 0/539 variables, 0/218 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 19 (OVERLAPS) 0/539 variables, 0/218 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Int declared 539/540 variables, and 218 constraints, problems are : Problem set: 0 solved, 1 unsolved in 411 ms.
Refiners :[Positive P Invariants (semi-flows): 7/7 constraints, State Equation: 154/154 constraints, ReadFeed: 56/56 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 693ms problems are : Problem set: 0 solved, 1 unsolved
Parikh walk visited 0 properties in 11 ms.
Support contains 4 out of 154 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 154/154 places, 425/425 transitions.
Drop transitions (Empty/Sink Transition effects.) removed 6 transitions
Reduce isomorphic transitions removed 6 transitions.
Iterating post reduction 0 with 6 rules applied. Total rules applied 6 place count 154 transition count 419
Free-agglomeration rule (complex) applied 4 times.
Iterating global reduction 1 with 4 rules applied. Total rules applied 10 place count 154 transition count 425
Reduce places removed 4 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 1 with 10 rules applied. Total rules applied 20 place count 150 transition count 419
Drop transitions (Redundant composition of simpler transitions.) removed 4 transitions
Redundant transition composition rules discarded 4 transitions
Iterating global reduction 2 with 4 rules applied. Total rules applied 24 place count 150 transition count 415
Partial Free-agglomeration rule applied 1 times.
Drop transitions (Partial Free agglomeration) removed 1 transitions
Iterating global reduction 2 with 1 rules applied. Total rules applied 25 place count 150 transition count 415
Applied a total of 25 rules in 28 ms. Remains 150 /154 variables (removed 4) and now considering 415/425 (removed 10) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 28 ms. Remains : 150/154 places, 415/425 transitions.
RANDOM walk for 40000 steps (1297 resets) in 139 ms. (285 steps per ms) remains 1/1 properties
BEST_FIRST walk for 40002 steps (8 resets) in 29 ms. (1333 steps per ms) remains 1/1 properties
Interrupted probabilistic random walk after 987739 steps, run timeout after 3001 ms. (steps per millisecond=329 ) properties seen :0 out of 1
Probabilistic random walk after 987739 steps, saw 247290 distinct states, run finished after 3001 ms. (steps per millisecond=329 ) properties seen :0
[2025-06-02 13:03:14] [INFO ] Flow matrix only has 379 transitions (discarded 36 similar events)
// Phase 1: matrix 379 rows 150 cols
[2025-06-02 13:03:14] [INFO ] Computed 7 invariants in 2 ms
[2025-06-02 13:03:14] [INFO ] State equation strengthened by 56 read => feed constraints.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/4 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 1 (OVERLAPS) 89/93 variables, 3/3 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/93 variables, 0/3 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (OVERLAPS) 332/425 variables, 93/96 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/425 variables, 36/132 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/425 variables, 0/132 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (OVERLAPS) 94/519 variables, 50/182 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/519 variables, 3/185 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/519 variables, 20/205 constraints. Problems are: Problem set: 0 solved, 1 unsolved
All remaining problems are real, not stopping.
At refinement iteration 9 (INCLUDED_ONLY) 0/519 variables, 0/205 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (OVERLAPS) 9/528 variables, 6/211 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/528 variables, 1/212 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 12 (INCLUDED_ONLY) 0/528 variables, 0/212 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 13 (OVERLAPS) 1/529 variables, 1/213 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 14 (INCLUDED_ONLY) 0/529 variables, 0/213 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 15 (OVERLAPS) 0/529 variables, 0/213 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Real declared 529/529 variables, and 213 constraints, problems are : Problem set: 0 solved, 1 unsolved in 255 ms.
Refiners :[Positive P Invariants (semi-flows): 7/7 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) 89/93 variables, 3/3 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/93 variables, 0/3 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (OVERLAPS) 332/425 variables, 93/96 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/425 variables, 36/132 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/425 variables, 0/132 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (OVERLAPS) 94/519 variables, 50/182 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/519 variables, 3/185 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/519 variables, 20/205 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/519 variables, 1/206 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/519 variables, 0/206 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 11 (OVERLAPS) 9/528 variables, 6/212 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 12 (INCLUDED_ONLY) 0/528 variables, 1/213 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 13 (INCLUDED_ONLY) 0/528 variables, 0/213 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 14 (OVERLAPS) 1/529 variables, 1/214 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 15 (INCLUDED_ONLY) 0/529 variables, 0/214 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 16 (OVERLAPS) 0/529 variables, 0/214 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Int declared 529/529 variables, and 214 constraints, problems are : Problem set: 0 solved, 1 unsolved in 428 ms.
Refiners :[Positive P Invariants (semi-flows): 7/7 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 695ms problems are : Problem set: 0 solved, 1 unsolved
Parikh walk visited 0 properties in 16 ms.
Support contains 4 out of 150 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 150/150 places, 415/415 transitions.
Applied a total of 0 rules in 9 ms. Remains 150 /150 variables (removed 0) and now considering 415/415 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 9 ms. Remains : 150/150 places, 415/415 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 150/150 places, 415/415 transitions.
Applied a total of 0 rules in 9 ms. Remains 150 /150 variables (removed 0) and now considering 415/415 (removed 0) transitions.
[2025-06-02 13:03:15] [INFO ] Flow matrix only has 379 transitions (discarded 36 similar events)
[2025-06-02 13:03:15] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-02 13:03:15] [INFO ] Implicit Places using invariants in 236 ms returned []
[2025-06-02 13:03:15] [INFO ] Flow matrix only has 379 transitions (discarded 36 similar events)
[2025-06-02 13:03:15] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-02 13:03:15] [INFO ] State equation strengthened by 56 read => feed constraints.
[2025-06-02 13:03:16] [INFO ] Implicit Places using invariants and state equation in 671 ms returned []
Implicit Place search using SMT with State Equation took 909 ms to find 0 implicit places.
Starting Z3 with timeout 200.0 s and query timeout 20000.0 ms
[2025-06-02 13:03:16] [INFO ] Redundant transitions in 6 ms returned []
Running 409 sub problems to find dead transitions.
[2025-06-02 13:03:16] [INFO ] Flow matrix only has 379 transitions (discarded 36 similar events)
[2025-06-02 13:03:16] [INFO ] Invariant cache hit.
[2025-06-02 13:03:16] [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) 0/150 variables, 7/7 constraints. Problems are: Problem set: 0 solved, 409 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 13:03:19] [INFO ] Deduced a trap composed of 51 places in 270 ms of which 33 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 13:03:19] [INFO ] Deduced a trap composed of 23 places in 237 ms of which 26 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 13:03:20] [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 13:03:20] [INFO ] Deduced a trap composed of 25 places in 231 ms of which 27 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 13:03:20] [INFO ] Deduced a trap composed of 32 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 13:03:20] [INFO ] Deduced a trap composed of 34 places in 62 ms of which 5 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 13:03:21] [INFO ] Deduced a trap composed of 32 places in 67 ms of which 4 ms to minimize.
At refinement iteration 1 (INCLUDED_ONLY) 0/150 variables, 7/14 constraints. Problems are: Problem set: 0 solved, 409 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/150 variables, 0/14 constraints. Problems are: Problem set: 0 solved, 409 unsolved
At refinement iteration 3 (OVERLAPS) 379/529 variables, 150/164 constraints. Problems are: Problem set: 0 solved, 409 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/529 variables, 56/220 constraints. Problems are: Problem set: 0 solved, 409 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 13:03:34] [INFO ] Deduced a trap composed of 17 places in 203 ms of which 10 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 13:03:37] [INFO ] Deduced a trap composed of 33 places in 64 ms of which 4 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 13:03:37] [INFO ] Deduced a trap composed of 32 places in 63 ms of which 5 ms to minimize.
At refinement iteration 5 (INCLUDED_ONLY) 0/529 variables, 3/223 constraints. Problems are: Problem set: 0 solved, 409 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 13:03:43] [INFO ] Deduced a trap composed of 31 places in 67 ms of which 5 ms to minimize.
At refinement iteration 6 (INCLUDED_ONLY) 0/529 variables, 1/224 constraints. Problems are: Problem set: 0 solved, 409 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Real declared 529/529 variables, and 224 constraints, problems are : Problem set: 0 solved, 409 unsolved in 30028 ms.
Refiners :[Positive P Invariants (semi-flows): 7/7 constraints, State Equation: 150/150 constraints, ReadFeed: 56/56 constraints, PredecessorRefiner: 409/409 constraints, Known Traps: 11/11 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 409 unsolved
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/150 variables, 7/7 constraints. Problems are: Problem set: 0 solved, 409 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/150 variables, 11/18 constraints. Problems are: Problem set: 0 solved, 409 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/150 variables, 0/18 constraints. Problems are: Problem set: 0 solved, 409 unsolved
At refinement iteration 3 (OVERLAPS) 379/529 variables, 150/168 constraints. Problems are: Problem set: 0 solved, 409 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/529 variables, 56/224 constraints. Problems are: Problem set: 0 solved, 409 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/529 variables, 409/633 constraints. Problems are: Problem set: 0 solved, 409 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 13:04:09] [INFO ] Deduced a trap composed of 52 places in 193 ms of which 33 ms to minimize.
At refinement iteration 6 (INCLUDED_ONLY) 0/529 variables, 1/634 constraints. Problems are: Problem set: 0 solved, 409 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 529/529 variables, and 634 constraints, problems are : Problem set: 0 solved, 409 unsolved in 30017 ms.
Refiners :[Positive P Invariants (semi-flows): 7/7 constraints, State Equation: 150/150 constraints, ReadFeed: 56/56 constraints, PredecessorRefiner: 409/409 constraints, Known Traps: 12/12 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 60261ms problems are : Problem set: 0 solved, 409 unsolved
Search for dead transitions found 0 dead transitions in 60267ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 61200 ms. Remains : 150/150 places, 415/415 transitions.
Attempting over-approximation, by ignoring read arcs.
Graph (trivial) has 129 edges and 150 vertex of which 29 / 150 are part of one of the 4 SCC in 0 ms
Free SCC test removed 25 places
Drop transitions (Empty/Sink Transition effects.) removed 121 transitions
Ensure Unique test removed 21 transitions
Reduce isomorphic transitions removed 142 transitions.
Drop transitions (Redundant composition of simpler transitions.) removed 10 transitions
Redundant transition composition rules discarded 10 transitions
Iterating global reduction 0 with 10 rules applied. Total rules applied 11 place count 125 transition count 263
Performed 1 Post agglomeration using F-continuation condition.Transition count delta: 1
Iterating post reduction 0 with 1 rules applied. Total rules applied 12 place count 125 transition count 262
Reduce places removed 1 places and 0 transitions.
Iterating post reduction 1 with 1 rules applied. Total rules applied 13 place count 124 transition count 262
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 15 place count 123 transition count 261
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 17 place count 123 transition count 259
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 19 place count 122 transition count 258
Discarding 1 places :
Symmetric choice reduction at 2 with 1 rule applications. Total rules 20 place count 121 transition count 219
Iterating global reduction 2 with 1 rules applied. Total rules applied 21 place count 121 transition count 219
Free-agglomeration rule applied 7 times with reduction of 4 identical transitions.
Iterating global reduction 2 with 7 rules applied. Total rules applied 28 place count 121 transition count 208
Reduce places removed 7 places and 0 transitions.
Ensure Unique test removed 3 transitions
Reduce isomorphic transitions removed 3 transitions.
Iterating post reduction 2 with 10 rules applied. Total rules applied 38 place count 114 transition count 205
Partial Free-agglomeration rule applied 4 times.
Drop transitions (Partial Free agglomeration) removed 4 transitions
Iterating global reduction 3 with 4 rules applied. Total rules applied 42 place count 114 transition count 205
Applied a total of 42 rules in 26 ms. Remains 114 /150 variables (removed 36) and now considering 205/415 (removed 210) transitions.
Running SMT prover for 1 properties.
[2025-06-02 13:04:16] [INFO ] Flow matrix only has 203 transitions (discarded 2 similar events)
// Phase 1: matrix 203 rows 114 cols
[2025-06-02 13:04:16] [INFO ] Computed 7 invariants in 1 ms
Starting Z3 with timeout 450.0 s and query timeout 45000.0 ms
[2025-06-02 13:04:16] [INFO ] [Real]Absence check using 7 positive place invariants in 3 ms returned sat
[2025-06-02 13:04:16] [INFO ] After 124ms 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 13:04:16] [INFO ] [Nat]Absence check using 7 positive place invariants in 3 ms returned sat
[2025-06-02 13:04:16] [INFO ] After 84ms 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 13:04:16] [INFO ] Deduced a trap composed of 21 places in 30 ms of which 3 ms to minimize.
[2025-06-02 13:04:16] [INFO ] Trap strengthening (SAT) tested/added 2/1 trap constraints in 49 ms
TRAPS : Iteration 1
[2025-06-02 13:04:16] [INFO ] After 156ms SMT Verify possible using trap constraints in natural domain returned unsat :0 sat :1
[2025-06-02 13:04:16] [INFO ] After 211ms SMT Verify possible using all constraints in natural domain returned unsat :0 sat :1
Over-approximation ignoring read arcs solved 0 properties in 367 ms.
Knowledge obtained : [(NOT p1), (X (NOT p1)), (X (X (NOT p1)))]
False Knowledge obtained : []
Knowledge based reduction with 3 factoid took 77 ms. Reduced automaton from 2 states, 3 edges and 1 AP (stutter insensitive) to 2 states, 3 edges and 1 AP (stutter insensitive).
Stuttering acceptance computed with spot in 70 ms :[p1, p1]
Stuttering acceptance computed with spot in 105 ms :[p1, p1]
Stuttering acceptance computed with spot in 100 ms :[p1, p1]
Product exploration explored 100000 steps with 2 reset in 391 ms.
Product exploration explored 100000 steps with 0 reset in 189 ms.
Built C files in :
/tmp/ltsmin8455464891291464063
[2025-06-02 13:04:17] [INFO ] Computing symmetric may disable matrix : 425 transitions.
[2025-06-02 13:04:17] [INFO ] Computation of Complete disable matrix. took 8 ms. Total solver calls (SAT/UNSAT): 0(0/0)
[2025-06-02 13:04:17] [INFO ] Computing symmetric may enable matrix : 425 transitions.
[2025-06-02 13:04:17] [INFO ] Computation of Complete enable matrix. took 8 ms. Total solver calls (SAT/UNSAT): 0(0/0)
[2025-06-02 13:04:17] [INFO ] Computing Do-Not-Accords matrix : 425 transitions.
[2025-06-02 13:04:17] [INFO ] Computation of Completed DNA matrix. took 32 ms. Total solver calls (SAT/UNSAT): 0(0/0)
[2025-06-02 13:04:17] [INFO ] Built C files in 190ms conformant to PINS (ltsmin variant)in folder :/tmp/ltsmin8455464891291464063
Running compilation step : cd /tmp/ltsmin8455464891291464063;'/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 2267 ms.
Running link step : cd /tmp/ltsmin8455464891291464063;'gcc' '-shared' '-o' 'gal.so' 'model.o'
Link finished in 59 ms.
Running LTSmin : cd /tmp/ltsmin8455464891291464063;'/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/stateBased1223701754101991754.hoa' '--buchi-type=spotba'
WARNING : LTS min runner thread was asked to interrupt. Dying gracefully.
Support contains 4 out of 154 places. Attempting structural reductions.
Starting structural reductions in SI_LTL mode, iteration 0 : 154/154 places, 425/425 transitions.
Applied a total of 0 rules in 9 ms. Remains 154 /154 variables (removed 0) and now considering 425/425 (removed 0) transitions.
[2025-06-02 13:04:32] [INFO ] Flow matrix only has 386 transitions (discarded 39 similar events)
// Phase 1: matrix 386 rows 154 cols
[2025-06-02 13:04:32] [INFO ] Computed 7 invariants in 2 ms
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-02 13:04:33] [INFO ] Implicit Places using invariants in 206 ms returned []
[2025-06-02 13:04:33] [INFO ] Flow matrix only has 386 transitions (discarded 39 similar events)
[2025-06-02 13:04:33] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-02 13:04:33] [INFO ] State equation strengthened by 56 read => feed constraints.
[2025-06-02 13:04:33] [INFO ] Implicit Places using invariants and state equation in 656 ms returned []
Implicit Place search using SMT with State Equation took 865 ms to find 0 implicit places.
Starting Z3 with timeout 200.0 s and query timeout 20000.0 ms
[2025-06-02 13:04:33] [INFO ] Redundant transitions in 6 ms returned []
Running 418 sub problems to find dead transitions.
[2025-06-02 13:04:33] [INFO ] Flow matrix only has 386 transitions (discarded 39 similar events)
[2025-06-02 13:04:33] [INFO ] Invariant cache hit.
[2025-06-02 13:04:33] [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) 0/154 variables, 7/7 constraints. Problems are: Problem set: 0 solved, 418 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 13:04:37] [INFO ] Deduced a trap composed of 53 places in 235 ms of which 22 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 13:04:37] [INFO ] Deduced a trap composed of 23 places in 233 ms of which 28 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 13:04:38] [INFO ] Deduced a trap composed of 17 places in 211 ms of which 17 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 13:04:38] [INFO ] Deduced a trap composed of 25 places in 254 ms of which 30 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 13:04:38] [INFO ] Deduced a trap composed of 34 places in 76 ms of which 6 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 13:04:39] [INFO ] Deduced a trap composed of 34 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 13:04:39] [INFO ] Deduced a trap composed of 34 places in 58 ms of which 5 ms to minimize.
At refinement iteration 1 (INCLUDED_ONLY) 0/154 variables, 7/14 constraints. Problems are: Problem set: 0 solved, 418 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/154 variables, 0/14 constraints. Problems are: Problem set: 0 solved, 418 unsolved
At refinement iteration 3 (OVERLAPS) 385/539 variables, 154/168 constraints. Problems are: Problem set: 0 solved, 418 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/539 variables, 56/224 constraints. Problems are: Problem set: 0 solved, 418 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 13:04:53] [INFO ] Deduced a trap composed of 17 places in 161 ms of which 19 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 13:04:56] [INFO ] Deduced a trap composed of 33 places in 61 ms of which 5 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 13:04:56] [INFO ] Deduced a trap composed of 33 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 13:04:56] [INFO ] Deduced a trap composed of 34 places in 62 ms of which 5 ms to minimize.
At refinement iteration 5 (INCLUDED_ONLY) 0/539 variables, 4/228 constraints. Problems are: Problem set: 0 solved, 418 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 13:04:59] [INFO ] Deduced a trap composed of 17 places in 170 ms of which 12 ms to minimize.
At refinement iteration 6 (INCLUDED_ONLY) 0/539 variables, 1/229 constraints. Problems are: Problem set: 0 solved, 418 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Real declared 539/540 variables, and 229 constraints, problems are : Problem set: 0 solved, 418 unsolved in 30021 ms.
Refiners :[Positive P Invariants (semi-flows): 7/7 constraints, State Equation: 154/154 constraints, ReadFeed: 56/56 constraints, PredecessorRefiner: 418/418 constraints, Known Traps: 12/12 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 418 unsolved
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/154 variables, 7/7 constraints. Problems are: Problem set: 0 solved, 418 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/154 variables, 12/19 constraints. Problems are: Problem set: 0 solved, 418 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/154 variables, 0/19 constraints. Problems are: Problem set: 0 solved, 418 unsolved
At refinement iteration 3 (OVERLAPS) 385/539 variables, 154/173 constraints. Problems are: Problem set: 0 solved, 418 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/539 variables, 56/229 constraints. Problems are: Problem set: 0 solved, 418 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/539 variables, 418/647 constraints. Problems are: Problem set: 0 solved, 418 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 539/540 variables, and 647 constraints, problems are : Problem set: 0 solved, 418 unsolved in 30021 ms.
Refiners :[Positive P Invariants (semi-flows): 7/7 constraints, State Equation: 154/154 constraints, ReadFeed: 56/56 constraints, PredecessorRefiner: 418/418 constraints, Known Traps: 12/12 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 60324ms problems are : Problem set: 0 solved, 418 unsolved
Search for dead transitions found 0 dead transitions in 60326ms
Finished structural reductions in SI_LTL mode , in 1 iterations and 61216 ms. Remains : 154/154 places, 425/425 transitions.
Built C files in :
/tmp/ltsmin7426912483888987919
[2025-06-02 13:05:34] [INFO ] Computing symmetric may disable matrix : 425 transitions.
[2025-06-02 13:05:34] [INFO ] Computation of Complete disable matrix. took 6 ms. Total solver calls (SAT/UNSAT): 0(0/0)
[2025-06-02 13:05:34] [INFO ] Computing symmetric may enable matrix : 425 transitions.
[2025-06-02 13:05:34] [INFO ] Computation of Complete enable matrix. took 5 ms. Total solver calls (SAT/UNSAT): 0(0/0)
[2025-06-02 13:05:34] [INFO ] Computing Do-Not-Accords matrix : 425 transitions.
[2025-06-02 13:05:34] [INFO ] Computation of Completed DNA matrix. took 12 ms. Total solver calls (SAT/UNSAT): 0(0/0)
[2025-06-02 13:05:34] [INFO ] Built C files in 84ms conformant to PINS (ltsmin variant)in folder :/tmp/ltsmin7426912483888987919
Running compilation step : cd /tmp/ltsmin7426912483888987919;'/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 1855 ms.
Running link step : cd /tmp/ltsmin7426912483888987919;'gcc' '-shared' '-o' 'gal.so' 'model.o'
Link finished in 69 ms.
Running LTSmin : cd /tmp/ltsmin7426912483888987919;'/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/stateBased217737734049060711.hoa' '--buchi-type=spotba'
WARNING : LTS min runner thread was asked to interrupt. Dying gracefully.
[2025-06-02 13:05:49] [INFO ] Flatten gal took : 34 ms
[2025-06-02 13:05:49] [INFO ] Flatten gal took : 34 ms
[2025-06-02 13:05:49] [INFO ] Time to serialize gal into /tmp/LTL12397585757888299795.gal : 9 ms
[2025-06-02 13:05:49] [INFO ] Time to serialize properties into /tmp/LTL18043092458550208245.prop : 1 ms
Invoking ITS tools like this :cd /home/mcc/execution;'/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202505121319/bin/its-ltl-linux64' '--gc-threshold' '2000000' '-i' '/tmp/LTL12397585757888299795.gal' '-t' 'CGAL' '-hoa' '/tmp/aut1180183314097001990.hoa' '-atoms' '/tmp/LTL18043092458550208245.prop' '-c' '-stutter-deadlock' '--gen-order' 'FOLLOW'

its-ltl command run as :

/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202505121319/bin/its-ltl-linux64 --gc-threshold 2000000 -i /tmp/L...319
Loading property file /tmp/LTL18043092458550208245.prop.
Loaded 1 atomic propositions.
Checking formula 0 provided in automaton : /tmp/aut1180183314097001990.hoa
Detected timeout of ITS tools.
[2025-06-02 13:06:04] [INFO ] Flatten gal took : 31 ms
[2025-06-02 13:06:04] [INFO ] Flatten gal took : 28 ms
[2025-06-02 13:06:04] [INFO ] Time to serialize gal into /tmp/LTL903070139747804673.gal : 7 ms
[2025-06-02 13:06:04] [INFO ] Time to serialize properties into /tmp/LTL10900584735843799124.ltl : 4 ms
Invoking ITS tools like this :cd /home/mcc/execution;'/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202505121319/bin/its-ltl-linux64' '--gc-threshold' '2000000' '-i' '/tmp/LTL903070139747804673.gal' '-t' 'CGAL' '-LTL' '/tmp/LTL10900584735843799124.ltl' '-c' '-stutter-deadlock' '--gen-order' 'FOLLOW'

its-ltl command run as :

/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202505121319/bin/its-ltl-linux64 --gc-threshold 2000000 -i /tmp/L...275
Read 1 LTL properties
Checking formula 0 : !((F(G(("((p66==1)&&(p112==1))")U(!("(((p66==1)&&(p112==1))&&((p5==1)&&(p39==1)))"))))))
Formula 0 simplified : GF(!"((p66==1)&&(p112==1))" R "(((p66==1)&&(p112==1))&&((p5==1)&&(p39==1)))")
Detected timeout of ITS tools.
[2025-06-02 13:06:19] [INFO ] Flatten gal took : 25 ms
[2025-06-02 13:06:19] [INFO ] Applying decomposition
[2025-06-02 13:06:19] [INFO ] Flatten gal took : 29 ms
Converted graph to binary with : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.louvain.binaries_1.0.0.202505121319/bin/convert-linux64' '-i' '/tmp/graph13803583754200137969.txt' '-o' '/tmp/graph13803583754200137969.bin' '-w' '/tmp/graph13803583754200137969.weights'
Built communities with : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.louvain.binaries_1.0.0.202505121319/bin/louvain-linux64' '/tmp/graph13803583754200137969.bin' '-l' '-1' '-v' '-w' '/tmp/graph13803583754200137969.weights' '-q' '0' '-e' '0.001'
[2025-06-02 13:06:19] [INFO ] Decomposing Gal with order
[2025-06-02 13:06:19] [INFO ] Rewriting arrays to variables to allow decomposition.
[2025-06-02 13:06:19] [INFO ] Removed a total of 639 redundant transitions.
[2025-06-02 13:06:19] [INFO ] Flatten gal took : 119 ms
[2025-06-02 13:06:19] [INFO ] Fuse similar labels procedure discarded/fused a total of 99 labels/synchronizations in 33 ms.
[2025-06-02 13:06:19] [INFO ] Time to serialize gal into /tmp/LTL15665963229153049225.gal : 13 ms
[2025-06-02 13:06:19] [INFO ] Time to serialize properties into /tmp/LTL11450421198859003928.ltl : 0 ms
Invoking ITS tools like this :cd /home/mcc/execution;'/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202505121319/bin/its-ltl-linux64' '--gc-threshold' '2000000' '-i' '/tmp/LTL15665963229153049225.gal' '-t' 'CGAL' '-LTL' '/tmp/LTL11450421198859003928.ltl' '-c' '-stutter-deadlock'

its-ltl command run as :

/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202505121319/bin/its-ltl-linux64 --gc-threshold 2000000 -i /tmp/L...256
Read 1 LTL properties
Checking formula 0 : !((F(G(("((i2.u21.p66==1)&&(i7.u35.p112==1))")U(!("(((i2.u21.p66==1)&&(i7.u35.p112==1))&&((u33.p5==1)&&(i6.u11.p39==1)))"))))))
Formula 0 simplified : GF(!"((i2.u21.p66==1)&&(i7.u35.p112==1))" R "(((i2.u21.p66==1)&&(i7.u35.p112==1))&&((u33.p5==1)&&(i6.u11.p39==1)))")
Detected timeout of ITS tools.
Treatment of property FireWire-PT-12-LTLFireability-01 finished in 346511 ms.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202505121319/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!(G((F(p0)&&F(G(p1)))))'
Support contains 5 out of 164 places. Attempting structural reductions.
Starting structural reductions in SI_LTL mode, iteration 0 : 164/164 places, 428/428 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 163 transition count 421
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 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 18 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 24 place count 154 transition count 424
Applied a total of 24 rules in 24 ms. Remains 154 /164 variables (removed 10) and now considering 424/428 (removed 4) transitions.
[2025-06-02 13:06:35] [INFO ] Flow matrix only has 385 transitions (discarded 39 similar events)
// Phase 1: matrix 385 rows 154 cols
[2025-06-02 13:06:35] [INFO ] Computed 8 invariants in 1 ms
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-02 13:06:35] [INFO ] Implicit Places using invariants in 171 ms returned []
[2025-06-02 13:06:35] [INFO ] Flow matrix only has 385 transitions (discarded 39 similar events)
[2025-06-02 13:06:35] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-02 13:06:35] [INFO ] State equation strengthened by 56 read => feed constraints.
[2025-06-02 13:06:35] [INFO ] Implicit Places using invariants and state equation in 615 ms returned [105]
Discarding 1 places :
Implicit Place search using SMT with State Equation took 803 ms to find 1 implicit places.
Starting structural reductions in SI_LTL mode, iteration 1 : 153/164 places, 424/428 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 837 ms. Remains : 153/164 places, 424/428 transitions.
Stuttering acceptance computed with spot in 160 ms :[(OR (NOT p0) (NOT p1)), (NOT p0), (NOT p1)]
Running random walk in product with property : FireWire-PT-12-LTLFireability-02
Stuttering criterion allowed to conclude after 0 steps with 0 reset in 0 ms.
FORMULA FireWire-PT-12-LTLFireability-02 FALSE TECHNIQUES STUTTER_TEST
Treatment of property FireWire-PT-12-LTLFireability-02 finished in 1016 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((F(p0)&&X((F(G(p1)) U p2)))))'
Support contains 6 out of 164 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 164/164 places, 428/428 transitions.
Applied a total of 0 rules in 2 ms. Remains 164 /164 variables (removed 0) and now considering 428/428 (removed 0) transitions.
[2025-06-02 13:06:36] [INFO ] Flow matrix only has 396 transitions (discarded 32 similar events)
// Phase 1: matrix 396 rows 164 cols
[2025-06-02 13:06:36] [INFO ] Computed 8 invariants in 2 ms
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-02 13:06:36] [INFO ] Implicit Places using invariants in 216 ms returned []
[2025-06-02 13:06:36] [INFO ] Flow matrix only has 396 transitions (discarded 32 similar events)
[2025-06-02 13:06:36] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-02 13:06:36] [INFO ] State equation strengthened by 58 read => feed constraints.
[2025-06-02 13:06:36] [INFO ] Implicit Places using invariants and state equation in 723 ms returned []
Implicit Place search using SMT with State Equation took 947 ms to find 0 implicit places.
Running 427 sub problems to find dead transitions.
[2025-06-02 13:06:36] [INFO ] Flow matrix only has 396 transitions (discarded 32 similar events)
[2025-06-02 13:06:36] [INFO ] Invariant cache hit.
[2025-06-02 13:06:36] [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 13:06:45] [INFO ] Deduced a trap composed of 36 places in 69 ms of which 6 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 13:06:45] [INFO ] Deduced a trap composed of 54 places in 229 ms of which 19 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 13:06:46] [INFO ] Deduced a trap composed of 36 places in 245 ms of which 37 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 13:06:46] [INFO ] Deduced a trap composed of 24 places in 232 ms of which 22 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 13:06:46] [INFO ] Deduced a trap composed of 17 places in 205 ms of which 19 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 13:06:47] [INFO ] Deduced a trap composed of 36 places in 69 ms of which 6 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 13:06:49] [INFO ] Deduced a trap composed of 36 places in 77 ms of which 7 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
SMT process timed out in 30245ms, After SMT, problems are : Problem set: 0 solved, 427 unsolved
Search for dead transitions found 0 dead transitions in 30247ms
Finished structural reductions in LTL mode , in 1 iterations and 31197 ms. Remains : 164/164 places, 428/428 transitions.
Stuttering acceptance computed with spot in 287 ms :[(OR (NOT p2) (NOT p0)), (OR (NOT p0) (NOT p2)), (NOT p0), (NOT p2), (NOT p1)]
Running random walk in product with property : FireWire-PT-12-LTLFireability-03
Stuttering criterion allowed to conclude after 1 steps with 0 reset in 0 ms.
FORMULA FireWire-PT-12-LTLFireability-03 FALSE TECHNIQUES STUTTER_TEST
Treatment of property FireWire-PT-12-LTLFireability-03 finished in 31522 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 p1)||X(p2)))||(p3&&F(p4)))))'
Support contains 6 out of 164 places. Attempting structural reductions.
Starting structural reductions in SI_LTL mode, iteration 0 : 164/164 places, 428/428 transitions.
Performed 5 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 0 with 5 Pre rules applied. Total rules applied 0 place count 164 transition count 423
Deduced a syphon composed of 5 places in 0 ms
Reduce places removed 5 places and 0 transitions.
Iterating global reduction 0 with 10 rules applied. Total rules applied 10 place count 159 transition count 423
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 0 with 4 rules applied. Total rules applied 14 place count 157 transition count 429
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 18 place count 157 transition count 425
Applied a total of 18 rules in 31 ms. Remains 157 /164 variables (removed 7) and now considering 425/428 (removed 3) transitions.
[2025-06-02 13:07:07] [INFO ] Flow matrix only has 389 transitions (discarded 36 similar events)
// Phase 1: matrix 389 rows 157 cols
[2025-06-02 13:07:07] [INFO ] Computed 8 invariants in 3 ms
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-02 13:07:07] [INFO ] Implicit Places using invariants in 255 ms returned []
[2025-06-02 13:07:07] [INFO ] Flow matrix only has 389 transitions (discarded 36 similar events)
[2025-06-02 13:07:07] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-02 13:07:08] [INFO ] State equation strengthened by 60 read => feed constraints.
[2025-06-02 13:07:08] [INFO ] Implicit Places using invariants and state equation in 680 ms returned [107]
Discarding 1 places :
Implicit Place search using SMT with State Equation took 939 ms to find 1 implicit places.
Starting structural reductions in SI_LTL mode, iteration 1 : 156/164 places, 425/428 transitions.
Applied a total of 0 rules in 10 ms. Remains 156 /156 variables (removed 0) and now considering 425/425 (removed 0) transitions.
Finished structural reductions in SI_LTL mode , in 2 iterations and 980 ms. Remains : 156/164 places, 425/428 transitions.
Stuttering acceptance computed with spot in 178 ms :[(OR (AND (NOT p1) (NOT p2) (NOT p3)) (AND (NOT p1) (NOT p2) (NOT p4))), (AND (NOT p1) (NOT p2)), (AND (NOT p1) (NOT p4) (NOT p2))]
Running random walk in product with property : FireWire-PT-12-LTLFireability-05
Product exploration explored 100000 steps with 33360 reset in 434 ms.
Product exploration explored 100000 steps with 33196 reset in 386 ms.
Computed a total of 14 stabilizing places and 28 stable transitions
Computed a total of 14 stabilizing places and 28 stable transitions
Detected a total of 14/156 stabilizing places and 28/425 transitions leading to convergence knowledge of the form 'F(Gp|G!p)' for 1/4 atomic propositions.
Knowledge obtained : [(AND (NOT p1) (NOT p3) (NOT p4) p2), (X (NOT (AND (NOT p1) (NOT p2)))), (X p2), (X (NOT p4)), (X (NOT (AND (NOT p1) (NOT p4) (NOT p2)))), (X (NOT p1)), (X (X (NOT (AND (NOT p1) (NOT p2))))), (X (X p2)), (X (X (NOT p4))), (X (X (NOT (AND (NOT p1) (NOT p4) (NOT p2))))), (X (X (NOT p1))), (F (OR (G p3) (G (NOT p3))))]
False Knowledge obtained : []
Knowledge based reduction with 12 factoid took 122 ms. Reduced automaton from 3 states, 5 edges and 4 AP (stutter insensitive) to 3 states, 5 edges and 4 AP (stutter insensitive).
Stuttering acceptance computed with spot in 125 ms :[(OR (AND (NOT p1) (NOT p2) (NOT p3)) (AND (NOT p1) (NOT p2) (NOT p4))), (AND (NOT p1) (NOT p2)), (AND (NOT p1) (NOT p2) (NOT p4))]
RANDOM walk for 40000 steps (1239 resets) in 452 ms. (88 steps per ms) remains 1/8 properties
BEST_FIRST walk for 40004 steps (16 resets) in 124 ms. (320 steps per ms) remains 1/1 properties
[2025-06-02 13:07:10] [INFO ] Flow matrix only has 389 transitions (discarded 36 similar events)
// Phase 1: matrix 389 rows 156 cols
[2025-06-02 13:07:10] [INFO ] Computed 7 invariants in 2 ms
[2025-06-02 13:07:10] [INFO ] State equation strengthened by 60 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, 1 unsolved
At refinement iteration 1 (OVERLAPS) 91/97 variables, 3/3 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/97 variables, 0/3 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (OVERLAPS) 50/147 variables, 4/7 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/147 variables, 0/7 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (OVERLAPS) 383/530 variables, 147/154 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/530 variables, 56/210 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/530 variables, 0/210 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (OVERLAPS) 14/544 variables, 9/219 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/544 variables, 3/222 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/544 variables, 0/222 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 11 (OVERLAPS) 1/545 variables, 1/223 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 12 (INCLUDED_ONLY) 0/545 variables, 0/223 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 13 (OVERLAPS) 0/545 variables, 0/223 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Real declared 545/545 variables, and 223 constraints, problems are : Problem set: 0 solved, 1 unsolved in 417 ms.
Refiners :[Positive P Invariants (semi-flows): 7/7 constraints, State Equation: 156/156 constraints, ReadFeed: 60/60 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 1 unsolved
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/6 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 1 (OVERLAPS) 91/97 variables, 3/3 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/97 variables, 0/3 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (OVERLAPS) 50/147 variables, 4/7 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/147 variables, 0/7 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (OVERLAPS) 383/530 variables, 147/154 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/530 variables, 56/210 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/530 variables, 0/210 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (OVERLAPS) 14/544 variables, 9/219 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/544 variables, 3/222 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/544 variables, 1/223 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/544 variables, 0/223 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 12 (OVERLAPS) 1/545 variables, 1/224 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 13 (INCLUDED_ONLY) 0/545 variables, 0/224 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 14 (OVERLAPS) 0/545 variables, 0/224 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Int declared 545/545 variables, and 224 constraints, problems are : Problem set: 0 solved, 1 unsolved in 1053 ms.
Refiners :[Positive P Invariants (semi-flows): 7/7 constraints, State Equation: 156/156 constraints, ReadFeed: 60/60 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 1484ms problems are : Problem set: 0 solved, 1 unsolved
Parikh walk visited 0 properties in 40 ms.
Support contains 6 out of 156 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 156/156 places, 425/425 transitions.
Drop transitions (Empty/Sink Transition effects.) removed 5 transitions
Reduce isomorphic transitions removed 5 transitions.
Iterating post reduction 0 with 5 rules applied. Total rules applied 5 place count 156 transition count 420
Free-agglomeration rule (complex) applied 6 times.
Iterating global reduction 1 with 6 rules applied. Total rules applied 11 place count 156 transition count 454
Reduce places removed 6 places and 0 transitions.
Drop transitions (Empty/Sink Transition effects.) removed 6 transitions
Ensure Unique test removed 2 transitions
Reduce isomorphic transitions removed 8 transitions.
Iterating post reduction 1 with 14 rules applied. Total rules applied 25 place count 150 transition count 446
Drop transitions (Redundant composition of simpler transitions.) removed 20 transitions
Redundant transition composition rules discarded 20 transitions
Iterating global reduction 2 with 20 rules applied. Total rules applied 45 place count 150 transition count 426
Applied a total of 45 rules in 31 ms. Remains 150 /156 variables (removed 6) and now considering 426/425 (removed -1) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 32 ms. Remains : 150/156 places, 426/425 transitions.
RANDOM walk for 40000 steps (1193 resets) in 170 ms. (233 steps per ms) remains 1/1 properties
BEST_FIRST walk for 40002 steps (18 resets) in 95 ms. (416 steps per ms) remains 1/1 properties
Interrupted probabilistic random walk after 733901 steps, run timeout after 3001 ms. (steps per millisecond=244 ) properties seen :0 out of 1
Probabilistic random walk after 733901 steps, saw 208406 distinct states, run finished after 3001 ms. (steps per millisecond=244 ) properties seen :0
[2025-06-02 13:07:14] [INFO ] Flow matrix only has 391 transitions (discarded 35 similar events)
// Phase 1: matrix 391 rows 150 cols
[2025-06-02 13:07:14] [INFO ] Computed 7 invariants in 1 ms
[2025-06-02 13:07:14] [INFO ] State equation strengthened by 60 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, 1 unsolved
At refinement iteration 1 (OVERLAPS) 87/93 variables, 3/3 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/93 variables, 0/3 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (OVERLAPS) 48/141 variables, 4/7 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/141 variables, 0/7 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (OVERLAPS) 386/527 variables, 141/148 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/527 variables, 57/205 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/527 variables, 0/205 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (OVERLAPS) 14/541 variables, 9/214 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/541 variables, 3/217 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/541 variables, 0/217 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 11 (OVERLAPS) 0/541 variables, 0/217 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Real declared 541/541 variables, and 217 constraints, problems are : Problem set: 0 solved, 1 unsolved in 242 ms.
Refiners :[Positive P Invariants (semi-flows): 7/7 constraints, State Equation: 150/150 constraints, ReadFeed: 60/60 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) 0/6 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 1 (OVERLAPS) 87/93 variables, 3/3 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/93 variables, 0/3 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (OVERLAPS) 48/141 variables, 4/7 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/141 variables, 0/7 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (OVERLAPS) 386/527 variables, 141/148 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/527 variables, 57/205 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/527 variables, 0/205 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (OVERLAPS) 14/541 variables, 9/214 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/541 variables, 3/217 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/541 variables, 1/218 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/541 variables, 0/218 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 12 (OVERLAPS) 0/541 variables, 0/218 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Int declared 541/541 variables, and 218 constraints, problems are : Problem set: 0 solved, 1 unsolved in 869 ms.
Refiners :[Positive P Invariants (semi-flows): 7/7 constraints, State Equation: 150/150 constraints, ReadFeed: 60/60 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 1121ms problems are : Problem set: 0 solved, 1 unsolved
Parikh walk visited 0 properties in 28 ms.
Support contains 6 out of 150 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 150/150 places, 426/426 transitions.
Applied a total of 0 rules in 10 ms. Remains 150 /150 variables (removed 0) and now considering 426/426 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 11 ms. Remains : 150/150 places, 426/426 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 150/150 places, 426/426 transitions.
Applied a total of 0 rules in 11 ms. Remains 150 /150 variables (removed 0) and now considering 426/426 (removed 0) transitions.
[2025-06-02 13:07:15] [INFO ] Flow matrix only has 391 transitions (discarded 35 similar events)
[2025-06-02 13:07:15] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-02 13:07:16] [INFO ] Implicit Places using invariants in 197 ms returned []
[2025-06-02 13:07:16] [INFO ] Flow matrix only has 391 transitions (discarded 35 similar events)
[2025-06-02 13:07:16] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-02 13:07:16] [INFO ] State equation strengthened by 60 read => feed constraints.
[2025-06-02 13:07:16] [INFO ] Implicit Places using invariants and state equation in 638 ms returned []
Implicit Place search using SMT with State Equation took 837 ms to find 0 implicit places.
Starting Z3 with timeout 200.0 s and query timeout 20000.0 ms
[2025-06-02 13:07:16] [INFO ] Redundant transitions in 7 ms returned []
Running 425 sub problems to find dead transitions.
[2025-06-02 13:07:16] [INFO ] Flow matrix only has 391 transitions (discarded 35 similar events)
[2025-06-02 13:07:16] [INFO ] Invariant cache hit.
[2025-06-02 13:07:16] [INFO ] State equation strengthened by 60 read => feed constraints.
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/149 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 425 unsolved
At refinement iteration 1 (OVERLAPS) 1/150 variables, 7/7 constraints. Problems are: Problem set: 0 solved, 425 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 13:07:24] [INFO ] Deduced a trap composed of 17 places in 229 ms of which 27 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 13:07:25] [INFO ] Deduced a trap composed of 52 places in 226 ms of which 24 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 13:07:25] [INFO ] Deduced a trap composed of 24 places in 218 ms of which 27 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 13:07:26] [INFO ] Deduced a trap composed of 26 places in 236 ms of which 31 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 13:07:26] [INFO ] Deduced a trap composed of 34 places in 77 ms of which 6 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 13:07:26] [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 13:07:26] [INFO ] Deduced a trap composed of 33 places in 66 ms of which 6 ms to minimize.
At refinement iteration 2 (INCLUDED_ONLY) 0/150 variables, 7/14 constraints. Problems are: Problem set: 0 solved, 425 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/150 variables, 0/14 constraints. Problems are: Problem set: 0 solved, 425 unsolved
At refinement iteration 4 (OVERLAPS) 391/541 variables, 150/164 constraints. Problems are: Problem set: 0 solved, 425 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/541 variables, 60/224 constraints. Problems are: Problem set: 0 solved, 425 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/541 variables, 0/224 constraints. Problems are: Problem set: 0 solved, 425 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Real declared 541/541 variables, and 224 constraints, problems are : Problem set: 0 solved, 425 unsolved in 30017 ms.
Refiners :[Positive P Invariants (semi-flows): 7/7 constraints, State Equation: 150/150 constraints, ReadFeed: 60/60 constraints, PredecessorRefiner: 425/425 constraints, Known Traps: 7/7 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 425 unsolved
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/149 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 425 unsolved
At refinement iteration 1 (OVERLAPS) 1/150 variables, 7/7 constraints. Problems are: Problem set: 0 solved, 425 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/150 variables, 7/14 constraints. Problems are: Problem set: 0 solved, 425 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/150 variables, 0/14 constraints. Problems are: Problem set: 0 solved, 425 unsolved
At refinement iteration 4 (OVERLAPS) 391/541 variables, 150/164 constraints. Problems are: Problem set: 0 solved, 425 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/541 variables, 60/224 constraints. Problems are: Problem set: 0 solved, 425 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/541 variables, 425/649 constraints. Problems are: Problem set: 0 solved, 425 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 13:08:07] [INFO ] Deduced a trap composed of 32 places in 62 ms of which 5 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 13:08:11] [INFO ] Deduced a trap composed of 32 places in 46 ms of which 4 ms to minimize.
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 541/541 variables, and 651 constraints, problems are : Problem set: 0 solved, 425 unsolved in 30020 ms.
Refiners :[Positive P Invariants (semi-flows): 7/7 constraints, State Equation: 150/150 constraints, ReadFeed: 60/60 constraints, PredecessorRefiner: 425/425 constraints, Known Traps: 9/9 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 60289ms problems are : Problem set: 0 solved, 425 unsolved
Search for dead transitions found 0 dead transitions in 60291ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 61155 ms. Remains : 150/150 places, 426/426 transitions.
Attempting over-approximation, by ignoring read arcs.
Graph (trivial) has 107 edges and 150 vertex of which 18 / 150 are part of one of the 2 SCC in 0 ms
Free SCC test removed 16 places
Drop transitions (Empty/Sink Transition effects.) removed 48 transitions
Ensure Unique test removed 49 transitions
Reduce isomorphic transitions removed 97 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 133 transition count 328
Drop transitions (Redundant composition of simpler transitions.) removed 8 transitions
Redundant transition composition rules discarded 8 transitions
Iterating global reduction 0 with 8 rules applied. Total rules applied 11 place count 133 transition count 320
Free-agglomeration rule applied 1 times.
Iterating global reduction 0 with 1 rules applied. Total rules applied 12 place count 133 transition count 319
Reduce places removed 1 places and 0 transitions.
Iterating post reduction 0 with 1 rules applied. Total rules applied 13 place count 132 transition count 319
Partial Free-agglomeration rule applied 2 times.
Drop transitions (Partial Free agglomeration) removed 2 transitions
Iterating global reduction 1 with 2 rules applied. Total rules applied 15 place count 132 transition count 319
Ensure Unique test removed 2 transitions
Reduce isomorphic transitions removed 2 transitions.
Iterating post reduction 1 with 2 rules applied. Total rules applied 17 place count 132 transition count 317
Applied a total of 17 rules in 27 ms. Remains 132 /150 variables (removed 18) and now considering 317/426 (removed 109) transitions.
Running SMT prover for 1 properties.
[2025-06-02 13:08:17] [INFO ] Flow matrix only has 316 transitions (discarded 1 similar events)
// Phase 1: matrix 316 rows 132 cols
[2025-06-02 13:08:17] [INFO ] Computed 7 invariants in 1 ms
Starting Z3 with timeout 450.0 s and query timeout 45000.0 ms
[2025-06-02 13:08:17] [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 13:08:17] [INFO ] [Nat]Absence check using 7 positive place invariants in 5 ms returned sat
[2025-06-02 13:08:17] [INFO ] After 198ms SMT Verify possible using state equation in natural domain returned unsat :0 sat :1
[2025-06-02 13:08:17] [INFO ] State equation strengthened by 3 read => feed constraints.
[2025-06-02 13:08:17] [INFO ] After 57ms SMT Verify possible using 3 Read/Feed constraints in natural domain returned unsat :0 sat :1
TRAPS : Iteration 0
[2025-06-02 13:08:17] [INFO ] After 117ms SMT Verify possible using trap constraints in natural domain returned unsat :0 sat :1
[2025-06-02 13:08:17] [INFO ] After 439ms SMT Verify possible using all constraints in natural domain returned unsat :0 sat :1
Over-approximation ignoring read arcs solved 0 properties in 521 ms.
Knowledge obtained : [(AND (NOT p1) (NOT p3) (NOT p4) p2), (X (NOT (AND (NOT p1) (NOT p2)))), (X p2), (X (NOT p4)), (X (NOT (AND (NOT p1) (NOT p4) (NOT p2)))), (X (NOT p1)), (X (X (NOT (AND (NOT p1) (NOT p2))))), (X (X p2)), (X (X (NOT p4))), (X (X (NOT (AND (NOT p1) (NOT p4) (NOT p2))))), (X (X (NOT p1))), (F (OR (G p3) (G (NOT p3))))]
False Knowledge obtained : [(F p4), (F p1), (F (NOT (AND (NOT p1) (NOT p3)))), (F (NOT p2)), (F p3), (F (NOT (OR p1 p2))), (F (NOT (OR p1 p2 p4)))]
Knowledge based reduction with 12 factoid took 416 ms. Reduced automaton from 3 states, 5 edges and 4 AP (stutter insensitive) to 3 states, 5 edges and 4 AP (stutter insensitive).
Stuttering acceptance computed with spot in 141 ms :[(OR (AND (NOT p1) (NOT p2) (NOT p3)) (AND (NOT p1) (NOT p2) (NOT p4))), (AND (NOT p1) (NOT p2)), (AND (NOT p1) (NOT p2) (NOT p4))]
Stuttering acceptance computed with spot in 145 ms :[(OR (AND (NOT p1) (NOT p2) (NOT p3)) (AND (NOT p1) (NOT p2) (NOT p4))), (AND (NOT p1) (NOT p2)), (AND (NOT p1) (NOT p2) (NOT p4))]
Support contains 6 out of 156 places. Attempting structural reductions.
Starting structural reductions in SI_LTL mode, iteration 0 : 156/156 places, 425/425 transitions.
Applied a total of 0 rules in 8 ms. Remains 156 /156 variables (removed 0) and now considering 425/425 (removed 0) transitions.
[2025-06-02 13:08:18] [INFO ] Flow matrix only has 389 transitions (discarded 36 similar events)
// Phase 1: matrix 389 rows 156 cols
[2025-06-02 13:08:18] [INFO ] Computed 7 invariants in 2 ms
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-02 13:08:18] [INFO ] Implicit Places using invariants in 180 ms returned []
[2025-06-02 13:08:18] [INFO ] Flow matrix only has 389 transitions (discarded 36 similar events)
[2025-06-02 13:08:18] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-02 13:08:18] [INFO ] State equation strengthened by 60 read => feed constraints.
[2025-06-02 13:08:18] [INFO ] Implicit Places using invariants and state equation in 520 ms returned []
Implicit Place search using SMT with State Equation took 701 ms to find 0 implicit places.
Starting Z3 with timeout 200.0 s and query timeout 20000.0 ms
[2025-06-02 13:08:18] [INFO ] Redundant transitions in 4 ms returned []
Running 424 sub problems to find dead transitions.
[2025-06-02 13:08:18] [INFO ] Flow matrix only has 389 transitions (discarded 36 similar events)
[2025-06-02 13:08:18] [INFO ] Invariant cache hit.
[2025-06-02 13:08:18] [INFO ] State equation strengthened by 60 read => feed constraints.
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/155 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 424 unsolved
At refinement iteration 1 (OVERLAPS) 1/156 variables, 7/7 constraints. Problems are: Problem set: 0 solved, 424 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 13:08:26] [INFO ] Deduced a trap composed of 54 places in 219 ms of which 19 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 13:08:26] [INFO ] Deduced a trap composed of 35 places in 184 ms of which 25 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 13:08:26] [INFO ] Deduced a trap composed of 24 places in 222 ms of which 27 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 13:08:27] [INFO ] Deduced a trap composed of 17 places in 173 ms of which 15 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 13:08:27] [INFO ] Deduced a trap composed of 26 places in 218 ms of which 29 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 13:08:27] [INFO ] Deduced a trap composed of 36 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 13:08:28] [INFO ] Deduced a trap composed of 35 places in 61 ms of which 4 ms to minimize.
At refinement iteration 2 (INCLUDED_ONLY) 0/156 variables, 7/14 constraints. Problems are: Problem set: 0 solved, 424 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/156 variables, 0/14 constraints. Problems are: Problem set: 0 solved, 424 unsolved
At refinement iteration 4 (OVERLAPS) 388/544 variables, 156/170 constraints. Problems are: Problem set: 0 solved, 424 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/544 variables, 59/229 constraints. Problems are: Problem set: 0 solved, 424 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/544 variables, 0/229 constraints. Problems are: Problem set: 0 solved, 424 unsolved
SMT process timed out in 30149ms, After SMT, problems are : Problem set: 0 solved, 424 unsolved
Search for dead transitions found 0 dead transitions in 30151ms
Finished structural reductions in SI_LTL mode , in 1 iterations and 30871 ms. Remains : 156/156 places, 425/425 transitions.
Computed a total of 14 stabilizing places and 28 stable transitions
Computed a total of 14 stabilizing places and 28 stable transitions
Detected a total of 14/156 stabilizing places and 28/425 transitions leading to convergence knowledge of the form 'F(Gp|G!p)' for 1/4 atomic propositions.
Knowledge obtained : [(AND (NOT p1) (NOT p3) p2 (NOT p4)), (X (NOT (AND (NOT p1) (NOT p2)))), (X p2), (X (NOT p4)), (X (NOT p1)), (X (NOT (AND (NOT p1) (NOT p2) (NOT p4)))), (X (X (NOT (AND (NOT p1) (NOT p2))))), (X (X p2)), (X (X (NOT p4))), (X (X (NOT p1))), (X (X (NOT (AND (NOT p1) (NOT p2) (NOT p4))))), (F (OR (G p3) (G (NOT p3))))]
False Knowledge obtained : []
Knowledge based reduction with 12 factoid took 192 ms. Reduced automaton from 3 states, 5 edges and 4 AP (stutter insensitive) to 3 states, 5 edges and 4 AP (stutter insensitive).
Stuttering acceptance computed with spot in 180 ms :[(OR (AND (NOT p1) (NOT p2) (NOT p3)) (AND (NOT p1) (NOT p2) (NOT p4))), (AND (NOT p1) (NOT p2)), (AND (NOT p1) (NOT p2) (NOT p4))]
RANDOM walk for 40000 steps (1238 resets) in 189 ms. (210 steps per ms) remains 1/8 properties
BEST_FIRST walk for 40003 steps (11 resets) in 45 ms. (869 steps per ms) remains 1/1 properties
[2025-06-02 13:08:49] [INFO ] Flow matrix only has 389 transitions (discarded 36 similar events)
[2025-06-02 13:08:49] [INFO ] Invariant cache hit.
[2025-06-02 13:08:49] [INFO ] State equation strengthened by 60 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, 1 unsolved
At refinement iteration 1 (OVERLAPS) 91/97 variables, 3/3 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/97 variables, 0/3 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (OVERLAPS) 50/147 variables, 4/7 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/147 variables, 0/7 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (OVERLAPS) 383/530 variables, 147/154 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/530 variables, 56/210 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/530 variables, 0/210 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (OVERLAPS) 14/544 variables, 9/219 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/544 variables, 3/222 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/544 variables, 0/222 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 11 (OVERLAPS) 1/545 variables, 1/223 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 12 (INCLUDED_ONLY) 0/545 variables, 0/223 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 13 (OVERLAPS) 0/545 variables, 0/223 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Real declared 545/545 variables, and 223 constraints, problems are : Problem set: 0 solved, 1 unsolved in 400 ms.
Refiners :[Positive P Invariants (semi-flows): 7/7 constraints, State Equation: 156/156 constraints, ReadFeed: 60/60 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 1 unsolved
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/6 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 1 (OVERLAPS) 91/97 variables, 3/3 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/97 variables, 0/3 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (OVERLAPS) 50/147 variables, 4/7 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/147 variables, 0/7 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (OVERLAPS) 383/530 variables, 147/154 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/530 variables, 56/210 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/530 variables, 0/210 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (OVERLAPS) 14/544 variables, 9/219 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/544 variables, 3/222 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/544 variables, 1/223 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/544 variables, 0/223 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 12 (OVERLAPS) 1/545 variables, 1/224 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 13 (INCLUDED_ONLY) 0/545 variables, 0/224 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 14 (OVERLAPS) 0/545 variables, 0/224 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Int declared 545/545 variables, and 224 constraints, problems are : Problem set: 0 solved, 1 unsolved in 883 ms.
Refiners :[Positive P Invariants (semi-flows): 7/7 constraints, State Equation: 156/156 constraints, ReadFeed: 60/60 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 1296ms problems are : Problem set: 0 solved, 1 unsolved
Parikh walk visited 0 properties in 40 ms.
Support contains 6 out of 156 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 156/156 places, 425/425 transitions.
Drop transitions (Empty/Sink Transition effects.) removed 5 transitions
Reduce isomorphic transitions removed 5 transitions.
Iterating post reduction 0 with 5 rules applied. Total rules applied 5 place count 156 transition count 420
Free-agglomeration rule (complex) applied 6 times.
Iterating global reduction 1 with 6 rules applied. Total rules applied 11 place count 156 transition count 454
Reduce places removed 6 places and 0 transitions.
Drop transitions (Empty/Sink Transition effects.) removed 6 transitions
Ensure Unique test removed 2 transitions
Reduce isomorphic transitions removed 8 transitions.
Iterating post reduction 1 with 14 rules applied. Total rules applied 25 place count 150 transition count 446
Drop transitions (Redundant composition of simpler transitions.) removed 20 transitions
Redundant transition composition rules discarded 20 transitions
Iterating global reduction 2 with 20 rules applied. Total rules applied 45 place count 150 transition count 426
Applied a total of 45 rules in 21 ms. Remains 150 /156 variables (removed 6) and now considering 426/425 (removed -1) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 21 ms. Remains : 150/156 places, 426/425 transitions.
RANDOM walk for 40000 steps (1235 resets) in 117 ms. (338 steps per ms) remains 1/1 properties
BEST_FIRST walk for 40004 steps (25 resets) in 36 ms. (1081 steps per ms) remains 1/1 properties
Interrupted probabilistic random walk after 836091 steps, run timeout after 3001 ms. (steps per millisecond=278 ) properties seen :0 out of 1
Probabilistic random walk after 836091 steps, saw 236488 distinct states, run finished after 3001 ms. (steps per millisecond=278 ) properties seen :0
[2025-06-02 13:08:53] [INFO ] Flow matrix only has 391 transitions (discarded 35 similar events)
// Phase 1: matrix 391 rows 150 cols
[2025-06-02 13:08:53] [INFO ] Computed 7 invariants in 2 ms
[2025-06-02 13:08:53] [INFO ] State equation strengthened by 60 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, 1 unsolved
At refinement iteration 1 (OVERLAPS) 87/93 variables, 3/3 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/93 variables, 0/3 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (OVERLAPS) 48/141 variables, 4/7 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/141 variables, 0/7 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (OVERLAPS) 386/527 variables, 141/148 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/527 variables, 57/205 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/527 variables, 0/205 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (OVERLAPS) 14/541 variables, 9/214 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/541 variables, 3/217 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/541 variables, 0/217 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 11 (OVERLAPS) 0/541 variables, 0/217 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Real declared 541/541 variables, and 217 constraints, problems are : Problem set: 0 solved, 1 unsolved in 215 ms.
Refiners :[Positive P Invariants (semi-flows): 7/7 constraints, State Equation: 150/150 constraints, ReadFeed: 60/60 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) 0/6 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 1 (OVERLAPS) 87/93 variables, 3/3 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/93 variables, 0/3 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (OVERLAPS) 48/141 variables, 4/7 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/141 variables, 0/7 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (OVERLAPS) 386/527 variables, 141/148 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/527 variables, 57/205 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/527 variables, 0/205 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (OVERLAPS) 14/541 variables, 9/214 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/541 variables, 3/217 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/541 variables, 1/218 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/541 variables, 0/218 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 12 (OVERLAPS) 0/541 variables, 0/218 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Int declared 541/541 variables, and 218 constraints, problems are : Problem set: 0 solved, 1 unsolved in 882 ms.
Refiners :[Positive P Invariants (semi-flows): 7/7 constraints, State Equation: 150/150 constraints, ReadFeed: 60/60 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 1107ms problems are : Problem set: 0 solved, 1 unsolved
Parikh walk visited 0 properties in 26 ms.
Support contains 6 out of 150 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 150/150 places, 426/426 transitions.
Applied a total of 0 rules in 10 ms. Remains 150 /150 variables (removed 0) and now considering 426/426 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 11 ms. Remains : 150/150 places, 426/426 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 150/150 places, 426/426 transitions.
Applied a total of 0 rules in 9 ms. Remains 150 /150 variables (removed 0) and now considering 426/426 (removed 0) transitions.
[2025-06-02 13:08:55] [INFO ] Flow matrix only has 391 transitions (discarded 35 similar events)
[2025-06-02 13:08:55] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-02 13:08:55] [INFO ] Implicit Places using invariants in 261 ms returned []
[2025-06-02 13:08:55] [INFO ] Flow matrix only has 391 transitions (discarded 35 similar events)
[2025-06-02 13:08:55] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-02 13:08:55] [INFO ] State equation strengthened by 60 read => feed constraints.
[2025-06-02 13:08:56] [INFO ] Implicit Places using invariants and state equation in 666 ms returned []
Implicit Place search using SMT with State Equation took 929 ms to find 0 implicit places.
Starting Z3 with timeout 200.0 s and query timeout 20000.0 ms
[2025-06-02 13:08:56] [INFO ] Redundant transitions in 7 ms returned []
Running 425 sub problems to find dead transitions.
[2025-06-02 13:08:56] [INFO ] Flow matrix only has 391 transitions (discarded 35 similar events)
[2025-06-02 13:08:56] [INFO ] Invariant cache hit.
[2025-06-02 13:08:56] [INFO ] State equation strengthened by 60 read => feed constraints.
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/149 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 425 unsolved
At refinement iteration 1 (OVERLAPS) 1/150 variables, 7/7 constraints. Problems are: Problem set: 0 solved, 425 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 13:09:03] [INFO ] Deduced a trap composed of 17 places in 203 ms of which 28 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 13:09:04] [INFO ] Deduced a trap composed of 52 places in 227 ms of which 23 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 13:09:04] [INFO ] Deduced a trap composed of 24 places in 226 ms of which 30 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 13:09:04] [INFO ] Deduced a trap composed of 26 places in 176 ms of which 32 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 13:09:05] [INFO ] Deduced a trap composed of 34 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 13:09:05] [INFO ] Deduced a trap composed of 33 places in 62 ms of which 5 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 13:09:05] [INFO ] Deduced a trap composed of 33 places in 63 ms of which 5 ms to minimize.
At refinement iteration 2 (INCLUDED_ONLY) 0/150 variables, 7/14 constraints. Problems are: Problem set: 0 solved, 425 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/150 variables, 0/14 constraints. Problems are: Problem set: 0 solved, 425 unsolved
At refinement iteration 4 (OVERLAPS) 391/541 variables, 150/164 constraints. Problems are: Problem set: 0 solved, 425 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/541 variables, 60/224 constraints. Problems are: Problem set: 0 solved, 425 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/541 variables, 0/224 constraints. Problems are: Problem set: 0 solved, 425 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Real declared 541/541 variables, and 224 constraints, problems are : Problem set: 0 solved, 425 unsolved in 30028 ms.
Refiners :[Positive P Invariants (semi-flows): 7/7 constraints, State Equation: 150/150 constraints, ReadFeed: 60/60 constraints, PredecessorRefiner: 425/425 constraints, Known Traps: 7/7 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 425 unsolved
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/149 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 425 unsolved
At refinement iteration 1 (OVERLAPS) 1/150 variables, 7/7 constraints. Problems are: Problem set: 0 solved, 425 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/150 variables, 7/14 constraints. Problems are: Problem set: 0 solved, 425 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/150 variables, 0/14 constraints. Problems are: Problem set: 0 solved, 425 unsolved
At refinement iteration 4 (OVERLAPS) 391/541 variables, 150/164 constraints. Problems are: Problem set: 0 solved, 425 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/541 variables, 60/224 constraints. Problems are: Problem set: 0 solved, 425 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/541 variables, 425/649 constraints. Problems are: Problem set: 0 solved, 425 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 13:09:48] [INFO ] Deduced a trap composed of 32 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 13:09:53] [INFO ] Deduced a trap composed of 32 places in 71 ms of which 6 ms to minimize.
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 541/541 variables, and 651 constraints, problems are : Problem set: 0 solved, 425 unsolved in 30017 ms.
Refiners :[Positive P Invariants (semi-flows): 7/7 constraints, State Equation: 150/150 constraints, ReadFeed: 60/60 constraints, PredecessorRefiner: 425/425 constraints, Known Traps: 9/9 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 60317ms problems are : Problem set: 0 solved, 425 unsolved
Search for dead transitions found 0 dead transitions in 60320ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 61274 ms. Remains : 150/150 places, 426/426 transitions.
Attempting over-approximation, by ignoring read arcs.
Graph (trivial) has 107 edges and 150 vertex of which 18 / 150 are part of one of the 2 SCC in 0 ms
Free SCC test removed 16 places
Drop transitions (Empty/Sink Transition effects.) removed 48 transitions
Ensure Unique test removed 49 transitions
Reduce isomorphic transitions removed 97 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 133 transition count 328
Drop transitions (Redundant composition of simpler transitions.) removed 8 transitions
Redundant transition composition rules discarded 8 transitions
Iterating global reduction 0 with 8 rules applied. Total rules applied 11 place count 133 transition count 320
Free-agglomeration rule applied 1 times.
Iterating global reduction 0 with 1 rules applied. Total rules applied 12 place count 133 transition count 319
Reduce places removed 1 places and 0 transitions.
Iterating post reduction 0 with 1 rules applied. Total rules applied 13 place count 132 transition count 319
Partial Free-agglomeration rule applied 2 times.
Drop transitions (Partial Free agglomeration) removed 2 transitions
Iterating global reduction 1 with 2 rules applied. Total rules applied 15 place count 132 transition count 319
Ensure Unique test removed 2 transitions
Reduce isomorphic transitions removed 2 transitions.
Iterating post reduction 1 with 2 rules applied. Total rules applied 17 place count 132 transition count 317
Applied a total of 17 rules in 24 ms. Remains 132 /150 variables (removed 18) and now considering 317/426 (removed 109) transitions.
Running SMT prover for 1 properties.
[2025-06-02 13:09:56] [INFO ] Flow matrix only has 316 transitions (discarded 1 similar events)
// Phase 1: matrix 316 rows 132 cols
[2025-06-02 13:09:56] [INFO ] Computed 7 invariants in 1 ms
Starting Z3 with timeout 450.0 s and query timeout 45000.0 ms
[2025-06-02 13:09:56] [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 13:09:56] [INFO ] [Nat]Absence check using 7 positive place invariants in 4 ms returned sat
[2025-06-02 13:09:56] [INFO ] After 196ms SMT Verify possible using state equation in natural domain returned unsat :0 sat :1
[2025-06-02 13:09:56] [INFO ] State equation strengthened by 3 read => feed constraints.
[2025-06-02 13:09:56] [INFO ] After 48ms SMT Verify possible using 3 Read/Feed constraints in natural domain returned unsat :0 sat :1
TRAPS : Iteration 0
[2025-06-02 13:09:56] [INFO ] After 108ms SMT Verify possible using trap constraints in natural domain returned unsat :0 sat :1
[2025-06-02 13:09:56] [INFO ] After 430ms SMT Verify possible using all constraints in natural domain returned unsat :0 sat :1
Over-approximation ignoring read arcs solved 0 properties in 510 ms.
Knowledge obtained : [(AND (NOT p1) (NOT p3) p2 (NOT p4)), (X (NOT (AND (NOT p1) (NOT p2)))), (X p2), (X (NOT p4)), (X (NOT p1)), (X (NOT (AND (NOT p1) (NOT p2) (NOT p4)))), (X (X (NOT (AND (NOT p1) (NOT p2))))), (X (X p2)), (X (X (NOT p4))), (X (X (NOT p1))), (X (X (NOT (AND (NOT p1) (NOT p2) (NOT p4))))), (F (OR (G p3) (G (NOT p3))))]
False Knowledge obtained : [(F p4), (F p1), (F (NOT (AND (NOT p1) (NOT p3)))), (F (NOT p2)), (F p3), (F (NOT (OR p1 p2))), (F (NOT (OR p1 p2 p4)))]
Knowledge based reduction with 12 factoid took 438 ms. Reduced automaton from 3 states, 5 edges and 4 AP (stutter insensitive) to 3 states, 5 edges and 4 AP (stutter insensitive).
Stuttering acceptance computed with spot in 118 ms :[(OR (AND (NOT p1) (NOT p2) (NOT p3)) (AND (NOT p1) (NOT p2) (NOT p4))), (AND (NOT p1) (NOT p2)), (AND (NOT p1) (NOT p2) (NOT p4))]
Stuttering acceptance computed with spot in 114 ms :[(OR (AND (NOT p1) (NOT p2) (NOT p3)) (AND (NOT p1) (NOT p2) (NOT p4))), (AND (NOT p1) (NOT p2)), (AND (NOT p1) (NOT p2) (NOT p4))]
Stuttering acceptance computed with spot in 113 ms :[(OR (AND (NOT p1) (NOT p2) (NOT p3)) (AND (NOT p1) (NOT p2) (NOT p4))), (AND (NOT p1) (NOT p2)), (AND (NOT p1) (NOT p2) (NOT p4))]
Product exploration explored 100000 steps with 29731 reset in 252 ms.
Product exploration explored 100000 steps with 29836 reset in 369 ms.
Built C files in :
/tmp/ltsmin2822160970033590667
[2025-06-02 13:09:58] [INFO ] Computing symmetric may disable matrix : 425 transitions.
[2025-06-02 13:09:58] [INFO ] Computation of Complete disable matrix. took 3 ms. Total solver calls (SAT/UNSAT): 0(0/0)
[2025-06-02 13:09:58] [INFO ] Computing symmetric may enable matrix : 425 transitions.
[2025-06-02 13:09:58] [INFO ] Computation of Complete enable matrix. took 2 ms. Total solver calls (SAT/UNSAT): 0(0/0)
[2025-06-02 13:09:58] [INFO ] Computing Do-Not-Accords matrix : 425 transitions.
[2025-06-02 13:09:58] [INFO ] Computation of Completed DNA matrix. took 8 ms. Total solver calls (SAT/UNSAT): 0(0/0)
[2025-06-02 13:09:58] [INFO ] Built C files in 75ms conformant to PINS (ltsmin variant)in folder :/tmp/ltsmin2822160970033590667
Running compilation step : cd /tmp/ltsmin2822160970033590667;'/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 1572 ms.
Running link step : cd /tmp/ltsmin2822160970033590667;'gcc' '-shared' '-o' 'gal.so' 'model.o'
Link finished in 42 ms.
Running LTSmin : cd /tmp/ltsmin2822160970033590667;'/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/stateBased7268329706942490121.hoa' '--buchi-type=spotba'
LTSmin run took 1763 ms.
FORMULA FireWire-PT-12-LTLFireability-05 FALSE TECHNIQUES PARTIAL_ORDER EXPLICIT LTSMIN SAT_SMT
Treatment of property FireWire-PT-12-LTLFireability-05 finished in 174304 ms.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202505121319/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!(X((G(p0)||X(G(p1)))))'
Support contains 4 out of 164 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 164/164 places, 428/428 transitions.
Applied a total of 0 rules in 1 ms. Remains 164 /164 variables (removed 0) and now considering 428/428 (removed 0) transitions.
[2025-06-02 13:10:01] [INFO ] Flow matrix only has 396 transitions (discarded 32 similar events)
// Phase 1: matrix 396 rows 164 cols
[2025-06-02 13:10:01] [INFO ] Computed 8 invariants in 1 ms
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-02 13:10:02] [INFO ] Implicit Places using invariants in 179 ms returned []
[2025-06-02 13:10:02] [INFO ] Flow matrix only has 396 transitions (discarded 32 similar events)
[2025-06-02 13:10:02] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-02 13:10:02] [INFO ] State equation strengthened by 58 read => feed constraints.
[2025-06-02 13:10:02] [INFO ] Implicit Places using invariants and state equation in 525 ms returned [112]
Discarding 1 places :
Implicit Place search using SMT with State Equation took 709 ms to find 1 implicit places.
Starting structural reductions in LTL mode, iteration 1 : 163/164 places, 428/428 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 712 ms. Remains : 163/164 places, 428/428 transitions.
Stuttering acceptance computed with spot in 254 ms :[true, (NOT p1), (AND (NOT p1) (NOT p0)), (NOT p0), (AND (NOT p1) (NOT p0)), (AND (NOT p0) (NOT p1))]
Running random walk in product with property : FireWire-PT-12-LTLFireability-07
Product exploration explored 100000 steps with 6 reset in 106 ms.
Product exploration explored 100000 steps with 7 reset in 112 ms.
Computed a total of 19 stabilizing places and 31 stable transitions
Computed a total of 19 stabilizing places and 31 stable transitions
Knowledge obtained : [(AND p1 p0), (X p0), (X (X (NOT (AND (NOT p0) (NOT p1))))), (X (X (AND p0 p1))), (X (X (NOT (AND (NOT p0) p1)))), (X (X p1)), (X (X p0)), (X (X (NOT (AND p0 (NOT p1)))))]
False Knowledge obtained : []
Knowledge based reduction with 8 factoid took 151 ms. Reduced automaton from 6 states, 12 edges and 2 AP (stutter sensitive) to 6 states, 11 edges and 2 AP (stutter sensitive).
Stuttering acceptance computed with spot in 259 ms :[true, (NOT p1), (NOT p0), (AND (NOT p1) (NOT p0)), (AND (NOT p1) (NOT p0)), (AND (NOT p1) (NOT p0))]
RANDOM walk for 40000 steps (1089 resets) in 178 ms. (223 steps per ms) remains 3/6 properties
BEST_FIRST walk for 40003 steps (16 resets) in 40 ms. (975 steps per ms) remains 3/3 properties
BEST_FIRST walk for 40004 steps (210 resets) in 47 ms. (833 steps per ms) remains 3/3 properties
BEST_FIRST walk for 40002 steps (199 resets) in 47 ms. (833 steps per ms) remains 3/3 properties
[2025-06-02 13:10:03] [INFO ] Flow matrix only has 396 transitions (discarded 32 similar events)
// Phase 1: matrix 396 rows 163 cols
[2025-06-02 13:10:03] [INFO ] Computed 7 invariants in 2 ms
[2025-06-02 13:10:03] [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) 0/4 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 1 (OVERLAPS) 51/55 variables, 2/2 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/55 variables, 0/2 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 3 (OVERLAPS) 93/148 variables, 5/7 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/148 variables, 0/7 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 5 (OVERLAPS) 383/531 variables, 148/155 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/531 variables, 54/209 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/531 variables, 0/209 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 8 (OVERLAPS) 27/558 variables, 15/224 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/558 variables, 3/227 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/558 variables, 0/227 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 11 (OVERLAPS) 1/559 variables, 1/228 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 12 (INCLUDED_ONLY) 0/559 variables, 0/228 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 13 (OVERLAPS) 0/559 variables, 0/228 constraints. Problems are: Problem set: 0 solved, 3 unsolved
No progress, stopping.
After SMT solving in domain Real declared 559/559 variables, and 228 constraints, problems are : Problem set: 0 solved, 3 unsolved in 435 ms.
Refiners :[Positive P Invariants (semi-flows): 7/7 constraints, State Equation: 163/163 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) 0/4 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 3 unsolved
Problem apf1 is UNSAT
At refinement iteration 1 (OVERLAPS) 51/55 variables, 2/2 constraints. Problems are: Problem set: 1 solved, 2 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/55 variables, 0/2 constraints. Problems are: Problem set: 1 solved, 2 unsolved
At refinement iteration 3 (OVERLAPS) 93/148 variables, 5/7 constraints. Problems are: Problem set: 1 solved, 2 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 13:10:04] [INFO ] Deduced a trap composed of 42 places in 59 ms of which 3 ms to minimize.
At refinement iteration 4 (INCLUDED_ONLY) 0/148 variables, 1/8 constraints. Problems are: Problem set: 1 solved, 2 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/148 variables, 0/8 constraints. Problems are: Problem set: 1 solved, 2 unsolved
At refinement iteration 6 (OVERLAPS) 383/531 variables, 148/156 constraints. Problems are: Problem set: 1 solved, 2 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/531 variables, 54/210 constraints. Problems are: Problem set: 1 solved, 2 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/531 variables, 2/212 constraints. Problems are: Problem set: 1 solved, 2 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/531 variables, 0/212 constraints. Problems are: Problem set: 1 solved, 2 unsolved
At refinement iteration 10 (OVERLAPS) 27/558 variables, 15/227 constraints. Problems are: Problem set: 1 solved, 2 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/558 variables, 3/230 constraints. Problems are: Problem set: 1 solved, 2 unsolved
At refinement iteration 12 (INCLUDED_ONLY) 0/558 variables, 0/230 constraints. Problems are: Problem set: 1 solved, 2 unsolved
At refinement iteration 13 (OVERLAPS) 1/559 variables, 1/231 constraints. Problems are: Problem set: 1 solved, 2 unsolved
At refinement iteration 14 (INCLUDED_ONLY) 0/559 variables, 0/231 constraints. Problems are: Problem set: 1 solved, 2 unsolved
At refinement iteration 15 (OVERLAPS) 0/559 variables, 0/231 constraints. Problems are: Problem set: 1 solved, 2 unsolved
No progress, stopping.
After SMT solving in domain Int declared 559/559 variables, and 231 constraints, problems are : Problem set: 1 solved, 2 unsolved in 1118 ms.
Refiners :[Positive P Invariants (semi-flows): 7/7 constraints, State Equation: 163/163 constraints, ReadFeed: 58/58 constraints, PredecessorRefiner: 2/3 constraints, Known Traps: 1/1 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 1564ms problems are : Problem set: 1 solved, 2 unsolved
Fused 2 Parikh solutions to 1 different solutions.
Parikh walk visited 0 properties in 40 ms.
Support contains 4 out of 163 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 163/163 places, 428/428 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 163 transition count 425
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 163 transition count 419
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 157 transition count 419
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 1 with 6 rules applied. Total rules applied 21 place count 154 transition count 428
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 27 place count 154 transition count 422
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 30 place count 154 transition count 419
Free-agglomeration rule (complex) applied 4 times.
Iterating global reduction 2 with 4 rules applied. Total rules applied 34 place count 154 transition count 425
Reduce places removed 4 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 10 rules applied. Total rules applied 44 place count 150 transition count 419
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 48 place count 150 transition count 415
Reduce places removed 1 places and 1 transitions.
Iterating global reduction 3 with 1 rules applied. Total rules applied 49 place count 149 transition count 414
Applied a total of 49 rules in 32 ms. Remains 149 /163 variables (removed 14) and now considering 414/428 (removed 14) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 33 ms. Remains : 149/163 places, 414/428 transitions.
RANDOM walk for 37723 steps (1229 resets) in 221 ms. (169 steps per ms) remains 0/2 properties
Found 1 invariant AP formulas.
Knowledge obtained : [(AND p1 p0), (X p0), (X (X (NOT (AND (NOT p0) (NOT p1))))), (X (X (AND p0 p1))), (X (X (NOT (AND (NOT p0) p1)))), (X (X p1)), (X (X p0)), (X (X (NOT (AND p0 (NOT p1))))), (G (OR p1 p0))]
False Knowledge obtained : [(F (NOT p0)), (F (NOT (OR (NOT p1) p0))), (F (NOT (OR p1 (NOT p0)))), (F (NOT (AND p1 p0))), (F (NOT p1))]
Knowledge based reduction with 9 factoid took 432 ms. Reduced automaton from 6 states, 11 edges and 2 AP (stutter sensitive) to 6 states, 10 edges and 2 AP (stutter sensitive).
Stuttering acceptance computed with spot in 223 ms :[true, (NOT p1), (NOT p0), (AND (NOT p1) (NOT p0)), (AND (NOT p1) (NOT p0)), (AND (NOT p1) (NOT p0))]
Stuttering acceptance computed with spot in 194 ms :[true, (NOT p1), (NOT p0), (AND (NOT p1) (NOT p0)), (AND (NOT p1) (NOT p0)), (AND (NOT p1) (NOT p0))]
Support contains 4 out of 163 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 163/163 places, 428/428 transitions.
Applied a total of 0 rules in 1 ms. Remains 163 /163 variables (removed 0) and now considering 428/428 (removed 0) transitions.
[2025-06-02 13:10:06] [INFO ] Flow matrix only has 396 transitions (discarded 32 similar events)
[2025-06-02 13:10:06] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-02 13:10:06] [INFO ] Implicit Places using invariants in 167 ms returned []
[2025-06-02 13:10:06] [INFO ] Flow matrix only has 396 transitions (discarded 32 similar events)
[2025-06-02 13:10:06] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-02 13:10:06] [INFO ] State equation strengthened by 58 read => feed constraints.
[2025-06-02 13:10:06] [INFO ] Implicit Places using invariants and state equation in 466 ms returned []
Implicit Place search using SMT with State Equation took 636 ms to find 0 implicit places.
Running 427 sub problems to find dead transitions.
[2025-06-02 13:10:06] [INFO ] Flow matrix only has 396 transitions (discarded 32 similar events)
[2025-06-02 13:10:06] [INFO ] Invariant cache hit.
[2025-06-02 13:10:06] [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) 0/162 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 427 unsolved
At refinement iteration 1 (OVERLAPS) 1/163 variables, 7/7 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 13:10:14] [INFO ] Deduced a trap composed of 36 places in 71 ms of which 6 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 13:10:15] [INFO ] Deduced a trap composed of 54 places in 217 ms of which 19 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 13:10:15] [INFO ] Deduced a trap composed of 24 places in 237 ms of which 29 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 13:10:16] [INFO ] Deduced a trap composed of 17 places in 208 ms of which 20 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 13:10:16] [INFO ] Deduced a trap composed of 36 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 13:10:17] [INFO ] Deduced a trap composed of 36 places in 61 ms of which 5 ms to minimize.
At refinement iteration 2 (INCLUDED_ONLY) 0/163 variables, 6/13 constraints. Problems are: Problem set: 0 solved, 427 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/163 variables, 0/13 constraints. Problems are: Problem set: 0 solved, 427 unsolved
At refinement iteration 4 (OVERLAPS) 395/558 variables, 163/176 constraints. Problems are: Problem set: 0 solved, 427 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/558 variables, 57/233 constraints. Problems are: Problem set: 0 solved, 427 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/558 variables, 0/233 constraints. Problems are: Problem set: 0 solved, 427 unsolved
SMT process timed out in 30154ms, After SMT, problems are : Problem set: 0 solved, 427 unsolved
Search for dead transitions found 0 dead transitions in 30155ms
Finished structural reductions in LTL mode , in 1 iterations and 30794 ms. Remains : 163/163 places, 428/428 transitions.
Computed a total of 19 stabilizing places and 31 stable transitions
Computed a total of 19 stabilizing places and 31 stable transitions
Knowledge obtained : [(AND p1 p0), (X (X (AND p1 p0))), (X (X p1)), (X (X p0))]
False Knowledge obtained : []
Knowledge based reduction with 4 factoid took 143 ms. Reduced automaton from 6 states, 10 edges and 2 AP (stutter sensitive) to 6 states, 10 edges and 2 AP (stutter sensitive).
Stuttering acceptance computed with spot in 268 ms :[true, (NOT p1), (NOT p0), (AND (NOT p1) (NOT p0)), (AND (NOT p1) (NOT p0)), (AND (NOT p1) (NOT p0))]
RANDOM walk for 40000 steps (1067 resets) in 212 ms. (187 steps per ms) remains 1/3 properties
BEST_FIRST walk for 40004 steps (202 resets) in 68 ms. (579 steps per ms) remains 1/1 properties
[2025-06-02 13:10:37] [INFO ] Flow matrix only has 396 transitions (discarded 32 similar events)
[2025-06-02 13:10:37] [INFO ] Invariant cache hit.
[2025-06-02 13:10:37] [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) 0/2 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 1 (OVERLAPS) 53/55 variables, 2/2 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/55 variables, 0/2 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (OVERLAPS) 93/148 variables, 5/7 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/148 variables, 0/7 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (OVERLAPS) 383/531 variables, 148/155 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/531 variables, 54/209 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/531 variables, 0/209 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (OVERLAPS) 27/558 variables, 15/224 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/558 variables, 3/227 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/558 variables, 0/227 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 11 (OVERLAPS) 1/559 variables, 1/228 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 12 (INCLUDED_ONLY) 0/559 variables, 0/228 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 13 (OVERLAPS) 0/559 variables, 0/228 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Real declared 559/559 variables, and 228 constraints, problems are : Problem set: 0 solved, 1 unsolved in 334 ms.
Refiners :[Positive P Invariants (semi-flows): 7/7 constraints, State Equation: 163/163 constraints, ReadFeed: 58/58 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 1 unsolved
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/2 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 1 (OVERLAPS) 53/55 variables, 2/2 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/55 variables, 0/2 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (OVERLAPS) 93/148 variables, 5/7 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/148 variables, 0/7 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (OVERLAPS) 383/531 variables, 148/155 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/531 variables, 54/209 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/531 variables, 1/210 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/531 variables, 0/210 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (OVERLAPS) 27/558 variables, 15/225 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/558 variables, 3/228 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/558 variables, 0/228 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 12 (OVERLAPS) 1/559 variables, 1/229 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 13 (INCLUDED_ONLY) 0/559 variables, 0/229 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 14 (OVERLAPS) 0/559 variables, 0/229 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Int declared 559/559 variables, and 229 constraints, problems are : Problem set: 0 solved, 1 unsolved in 595 ms.
Refiners :[Positive P Invariants (semi-flows): 7/7 constraints, State Equation: 163/163 constraints, ReadFeed: 58/58 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 938ms problems are : Problem set: 0 solved, 1 unsolved
Parikh walk visited 0 properties in 7 ms.
Support contains 2 out of 163 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 163/163 places, 428/428 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 163 transition count 425
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 163 transition count 419
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 157 transition count 419
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 1 with 6 rules applied. Total rules applied 21 place count 154 transition count 428
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 27 place count 154 transition count 422
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 30 place count 154 transition count 419
Free-agglomeration rule (complex) applied 6 times.
Iterating global reduction 2 with 6 rules applied. Total rules applied 36 place count 154 transition count 428
Reduce places removed 6 places and 0 transitions.
Drop transitions (Empty/Sink Transition effects.) removed 6 transitions
Ensure Unique test removed 3 transitions
Reduce isomorphic transitions removed 9 transitions.
Iterating post reduction 2 with 15 rules applied. Total rules applied 51 place count 148 transition count 419
Drop transitions (Redundant composition of simpler transitions.) removed 6 transitions
Redundant transition composition rules discarded 6 transitions
Iterating global reduction 3 with 6 rules applied. Total rules applied 57 place count 148 transition count 413
Reduce places removed 1 places and 1 transitions.
Iterating global reduction 3 with 1 rules applied. Total rules applied 58 place count 147 transition count 412
Applied a total of 58 rules in 52 ms. Remains 147 /163 variables (removed 16) and now considering 412/428 (removed 16) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 52 ms. Remains : 147/163 places, 412/428 transitions.
RANDOM walk for 40000 steps (1272 resets) in 160 ms. (248 steps per ms) remains 1/1 properties
BEST_FIRST walk for 40004 steps (303 resets) in 78 ms. (506 steps per ms) remains 1/1 properties
Interrupted probabilistic random walk after 800982 steps, run timeout after 3001 ms. (steps per millisecond=266 ) properties seen :0 out of 1
Probabilistic random walk after 800982 steps, saw 231765 distinct states, run finished after 3001 ms. (steps per millisecond=266 ) properties seen :0
[2025-06-02 13:10:41] [INFO ] Flow matrix only has 375 transitions (discarded 37 similar events)
// Phase 1: matrix 375 rows 147 cols
[2025-06-02 13:10:41] [INFO ] Computed 7 invariants in 1 ms
[2025-06-02 13:10:41] [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) 0/2 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 1 (OVERLAPS) 49/51 variables, 2/2 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/51 variables, 0/2 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (OVERLAPS) 286/337 variables, 51/53 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/337 variables, 18/71 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/337 variables, 0/71 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (OVERLAPS) 166/503 variables, 83/154 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/503 variables, 3/157 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/503 variables, 38/195 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/503 variables, 0/195 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (OVERLAPS) 17/520 variables, 11/206 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/520 variables, 2/208 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 12 (INCLUDED_ONLY) 0/520 variables, 0/208 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 13 (OVERLAPS) 2/522 variables, 2/210 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 14 (INCLUDED_ONLY) 0/522 variables, 0/210 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 15 (OVERLAPS) 0/522 variables, 0/210 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Real declared 522/522 variables, and 210 constraints, problems are : Problem set: 0 solved, 1 unsolved in 199 ms.
Refiners :[Positive P Invariants (semi-flows): 7/7 constraints, State Equation: 147/147 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) 0/2 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 1 (OVERLAPS) 49/51 variables, 2/2 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/51 variables, 0/2 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (OVERLAPS) 286/337 variables, 51/53 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/337 variables, 18/71 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/337 variables, 0/71 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (OVERLAPS) 166/503 variables, 83/154 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/503 variables, 3/157 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/503 variables, 38/195 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/503 variables, 1/196 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/503 variables, 0/196 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 11 (OVERLAPS) 17/520 variables, 11/207 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 12 (INCLUDED_ONLY) 0/520 variables, 2/209 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 13 (INCLUDED_ONLY) 0/520 variables, 0/209 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 14 (OVERLAPS) 2/522 variables, 2/211 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 15 (INCLUDED_ONLY) 0/522 variables, 0/211 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 16 (OVERLAPS) 0/522 variables, 0/211 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Int declared 522/522 variables, and 211 constraints, problems are : Problem set: 0 solved, 1 unsolved in 336 ms.
Refiners :[Positive P Invariants (semi-flows): 7/7 constraints, State Equation: 147/147 constraints, ReadFeed: 56/56 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 542ms problems are : Problem set: 0 solved, 1 unsolved
Parikh walk visited 0 properties in 0 ms.
Support contains 2 out of 147 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 147/147 places, 412/412 transitions.
Applied a total of 0 rules in 6 ms. Remains 147 /147 variables (removed 0) and now considering 412/412 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 6 ms. Remains : 147/147 places, 412/412 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 147/147 places, 412/412 transitions.
Applied a total of 0 rules in 5 ms. Remains 147 /147 variables (removed 0) and now considering 412/412 (removed 0) transitions.
[2025-06-02 13:10:42] [INFO ] Flow matrix only has 375 transitions (discarded 37 similar events)
[2025-06-02 13:10:42] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-02 13:10:42] [INFO ] Implicit Places using invariants in 182 ms returned []
[2025-06-02 13:10:42] [INFO ] Flow matrix only has 375 transitions (discarded 37 similar events)
[2025-06-02 13:10:42] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-02 13:10:42] [INFO ] State equation strengthened by 56 read => feed constraints.
[2025-06-02 13:10:42] [INFO ] Implicit Places using invariants and state equation in 660 ms returned []
Implicit Place search using SMT with State Equation took 843 ms to find 0 implicit places.
Starting Z3 with timeout 200.0 s and query timeout 20000.0 ms
[2025-06-02 13:10:42] [INFO ] Redundant transitions in 6 ms returned []
Running 406 sub problems to find dead transitions.
[2025-06-02 13:10:43] [INFO ] Flow matrix only has 375 transitions (discarded 37 similar events)
[2025-06-02 13:10:43] [INFO ] Invariant cache hit.
[2025-06-02 13:10:43] [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) 0/147 variables, 7/7 constraints. Problems are: Problem set: 0 solved, 406 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 13:10:46] [INFO ] Deduced a trap composed of 50 places in 244 ms of which 35 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 13:10:46] [INFO ] Deduced a trap composed of 32 places in 239 ms of which 30 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 13:10:46] [INFO ] Deduced a trap composed of 23 places in 176 ms of which 25 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 13:10:47] [INFO ] Deduced a trap composed of 17 places in 217 ms of which 18 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 13:10:47] [INFO ] Deduced a trap composed of 25 places in 230 ms of which 21 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 13:10:47] [INFO ] Deduced a trap composed of 32 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 13:10:47] [INFO ] Deduced a trap composed of 32 places in 57 ms of which 4 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 13:10:48] [INFO ] Deduced a trap composed of 17 places in 166 ms of which 11 ms to minimize.
At refinement iteration 1 (INCLUDED_ONLY) 0/147 variables, 8/15 constraints. Problems are: Problem set: 0 solved, 406 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 13:10:51] [INFO ] Deduced a trap composed of 38 places in 56 ms of which 2 ms to minimize.
At refinement iteration 2 (INCLUDED_ONLY) 0/147 variables, 1/16 constraints. Problems are: Problem set: 0 solved, 406 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/147 variables, 0/16 constraints. Problems are: Problem set: 0 solved, 406 unsolved
At refinement iteration 4 (OVERLAPS) 375/522 variables, 147/163 constraints. Problems are: Problem set: 0 solved, 406 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/522 variables, 56/219 constraints. Problems are: Problem set: 0 solved, 406 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 13:11:03] [INFO ] Deduced a trap composed of 31 places in 76 ms of which 6 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 13:11:03] [INFO ] Deduced a trap composed of 31 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 13:11:03] [INFO ] Deduced a trap composed of 31 places in 69 ms of which 6 ms to minimize.
At refinement iteration 6 (INCLUDED_ONLY) 0/522 variables, 3/222 constraints. Problems are: Problem set: 0 solved, 406 unsolved
Error getting values : (error "ParserException while parsing response: (timeout
org.smtlib.IParser$ParserException: Unbalanced parentheses at end of input")
Error getting values : (error "Error writing to Z3 solver: java.io.IOException: Broken pipe")
Solver is answering 'unknown', stopping.
After SMT solving in domain Real declared 522/522 variables, and 222 constraints, problems are : Problem set: 0 solved, 406 unsolved in 30020 ms.
Refiners :[Positive P Invariants (semi-flows): 7/7 constraints, State Equation: 147/147 constraints, ReadFeed: 56/56 constraints, PredecessorRefiner: 406/406 constraints, Known Traps: 12/12 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 406 unsolved
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/147 variables, 7/7 constraints. Problems are: Problem set: 0 solved, 406 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/147 variables, 12/19 constraints. Problems are: Problem set: 0 solved, 406 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/147 variables, 0/19 constraints. Problems are: Problem set: 0 solved, 406 unsolved
At refinement iteration 3 (OVERLAPS) 375/522 variables, 147/166 constraints. Problems are: Problem set: 0 solved, 406 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/522 variables, 56/222 constraints. Problems are: Problem set: 0 solved, 406 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/522 variables, 406/628 constraints. Problems are: Problem set: 0 solved, 406 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 522/522 variables, and 628 constraints, problems are : Problem set: 0 solved, 406 unsolved in 30021 ms.
Refiners :[Positive P Invariants (semi-flows): 7/7 constraints, State Equation: 147/147 constraints, ReadFeed: 56/56 constraints, PredecessorRefiner: 406/406 constraints, Known Traps: 12/12 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 60288ms problems are : Problem set: 0 solved, 406 unsolved
Search for dead transitions found 0 dead transitions in 60290ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 61153 ms. Remains : 147/147 places, 412/412 transitions.
Attempting over-approximation, by ignoring read arcs.
Graph (trivial) has 135 edges and 147 vertex of which 29 / 147 are part of one of the 4 SCC in 0 ms
Free SCC test removed 25 places
Drop transitions (Empty/Sink Transition effects.) removed 123 transitions
Ensure Unique test removed 21 transitions
Reduce isomorphic transitions removed 144 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 121 transition count 267
Drop transitions (Redundant composition of simpler transitions.) removed 9 transitions
Redundant transition composition rules discarded 9 transitions
Iterating global reduction 0 with 9 rules applied. Total rules applied 12 place count 121 transition count 258
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 14 place count 120 transition count 257
Drop transitions (Redundant composition of simpler transitions.) removed 1 transitions
Redundant transition composition rules discarded 1 transitions
Iterating global reduction 0 with 1 rules applied. Total rules applied 15 place count 120 transition count 256
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 17 place count 119 transition count 255
Free-agglomeration rule applied 9 times with reduction of 6 identical transitions.
Iterating global reduction 0 with 9 rules applied. Total rules applied 26 place count 119 transition count 240
Reduce places removed 9 places and 0 transitions.
Ensure Unique test removed 3 transitions
Reduce isomorphic transitions removed 3 transitions.
Iterating post reduction 0 with 12 rules applied. Total rules applied 38 place count 110 transition count 237
Partial Free-agglomeration rule applied 6 times.
Drop transitions (Partial Free agglomeration) removed 6 transitions
Iterating global reduction 1 with 6 rules applied. Total rules applied 44 place count 110 transition count 237
Applied a total of 44 rules in 35 ms. Remains 110 /147 variables (removed 37) and now considering 237/412 (removed 175) transitions.
Running SMT prover for 1 properties.
[2025-06-02 13:11:43] [INFO ] Flow matrix only has 235 transitions (discarded 2 similar events)
// Phase 1: matrix 235 rows 110 cols
[2025-06-02 13:11:43] [INFO ] Computed 7 invariants in 1 ms
Starting Z3 with timeout 450.0 s and query timeout 45000.0 ms
[2025-06-02 13:11:43] [INFO ] After 51ms 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 13:11:43] [INFO ] [Nat]Absence check using 7 positive place invariants in 5 ms returned sat
[2025-06-02 13:11:43] [INFO ] After 131ms SMT Verify possible using state equation in natural domain returned unsat :0 sat :1
TRAPS : Iteration 0
[2025-06-02 13:11:43] [INFO ] After 156ms SMT Verify possible using trap constraints in natural domain returned unsat :0 sat :1
[2025-06-02 13:11:43] [INFO ] After 235ms SMT Verify possible using all constraints in natural domain returned unsat :0 sat :1
Over-approximation ignoring read arcs solved 0 properties in 328 ms.
Knowledge obtained : [(AND p1 p0), (X (X (AND p1 p0))), (X (X p1)), (X (X p0))]
False Knowledge obtained : [(F (NOT (AND p0 p1))), (F (NOT p1))]
Knowledge based reduction with 4 factoid took 205 ms. Reduced automaton from 6 states, 10 edges and 2 AP (stutter sensitive) to 6 states, 10 edges and 2 AP (stutter sensitive).
Stuttering acceptance computed with spot in 192 ms :[true, (NOT p1), (NOT p0), (AND (NOT p1) (NOT p0)), (AND (NOT p1) (NOT p0)), (AND (NOT p1) (NOT p0))]
Stuttering acceptance computed with spot in 181 ms :[true, (NOT p1), (NOT p0), (AND (NOT p1) (NOT p0)), (AND (NOT p1) (NOT p0)), (AND (NOT p1) (NOT p0))]
Stuttering acceptance computed with spot in 201 ms :[true, (NOT p1), (NOT p0), (AND (NOT p1) (NOT p0)), (AND (NOT p1) (NOT p0)), (AND (NOT p1) (NOT p0))]
Product exploration explored 100000 steps with 3 reset in 147 ms.
Product exploration explored 100000 steps with 6 reset in 165 ms.
Applying partial POR strategy [true, true, true, false, false, false]
Stuttering acceptance computed with spot in 234 ms :[true, (NOT p1), (NOT p0), (AND (NOT p1) (NOT p0)), (AND (NOT p1) (NOT p0)), (AND (NOT p1) (NOT p0))]
Support contains 4 out of 163 places. Attempting structural reductions.
Starting structural reductions in SI_LTL mode, iteration 0 : 163/163 places, 428/428 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 163 transition count 434
Deduced a syphon composed of 6 places in 0 ms
Iterating global reduction 0 with 6 rules applied. Total rules applied 6 place count 163 transition count 434
Performed 3 Post agglomeration using F-continuation condition.Transition count delta: -15
Deduced a syphon composed of 9 places in 0 ms
Iterating global reduction 0 with 3 rules applied. Total rules applied 9 place count 163 transition count 449
Deduced a syphon composed of 9 places in 0 ms
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 15 place count 163 transition count 443
Deduced a syphon composed of 9 places in 0 ms
Applied a total of 15 rules in 28 ms. Remains 163 /163 variables (removed 0) and now considering 443/428 (removed -15) transitions.
Starting Z3 with timeout 200.0 s and query timeout 20000.0 ms
[2025-06-02 13:11:45] [INFO ] Redundant transitions in 4 ms returned []
Running 442 sub problems to find dead transitions.
[2025-06-02 13:11:45] [INFO ] Flow matrix only has 404 transitions (discarded 39 similar events)
// Phase 1: matrix 404 rows 163 cols
[2025-06-02 13:11:45] [INFO ] Computed 7 invariants in 3 ms
[2025-06-02 13:11:45] [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) 0/162 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 442 unsolved
At refinement iteration 1 (OVERLAPS) 1/163 variables, 7/7 constraints. Problems are: Problem set: 0 solved, 442 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 13:11:52] [INFO ] Deduced a trap composed of 35 places in 52 ms of which 4 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 13:11:52] [INFO ] Deduced a trap composed of 41 places in 55 ms of which 3 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 13:11:52] [INFO ] Deduced a trap composed of 35 places in 67 ms of which 6 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 13:11:52] [INFO ] Deduced a trap composed of 41 places in 66 ms of which 4 ms to minimize.
Problem TDEAD22 is UNSAT
Problem TDEAD23 is UNSAT
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 13:11:52] [INFO ] Deduced a trap composed of 35 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 13:11:52] [INFO ] Deduced a trap composed of 41 places in 61 ms of which 4 ms to minimize.
Problem TDEAD40 is UNSAT
Problem TDEAD41 is UNSAT
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 13:11:53] [INFO ] Deduced a trap composed of 54 places in 153 ms of which 12 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 13:11:53] [INFO ] Deduced a trap composed of 24 places in 223 ms of which 22 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 13:11:53] [INFO ] Deduced a trap composed of 17 places in 220 ms of which 20 ms to minimize.
At refinement iteration 2 (INCLUDED_ONLY) 0/163 variables, 9/16 constraints. Problems are: Problem set: 6 solved, 436 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/163 variables, 0/16 constraints. Problems are: Problem set: 6 solved, 436 unsolved
Problem TDEAD1 is UNSAT
Problem TDEAD19 is UNSAT
Problem TDEAD37 is UNSAT
Problem TDEAD386 is UNSAT
Problem TDEAD387 is UNSAT
Problem TDEAD388 is UNSAT
Problem TDEAD389 is UNSAT
Problem TDEAD396 is UNSAT
Problem TDEAD397 is UNSAT
Problem TDEAD404 is UNSAT
Problem TDEAD405 is UNSAT
Problem TDEAD406 is UNSAT
At refinement iteration 4 (OVERLAPS) 403/566 variables, 163/179 constraints. Problems are: Problem set: 18 solved, 424 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/566 variables, 62/241 constraints. Problems are: Problem set: 18 solved, 424 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/566 variables, 0/241 constraints. Problems are: Problem set: 18 solved, 424 unsolved
SMT process timed out in 30176ms, After SMT, problems are : Problem set: 18 solved, 424 unsolved
Search for dead transitions found 18 dead transitions in 30179ms
Found 18 dead transitions using SMT.
Drop transitions (Dead Transitions using SMT only with invariants) removed 18 transitions
Dead transitions reduction (with SMT) removed 18 transitions
Starting structural reductions in SI_LTL mode, iteration 1 : 163/163 places, 425/428 transitions.
Graph (complete) has 841 edges and 163 vertex of which 154 are kept as prefixes of interest. Removing 9 places using SCC suffix rule.3 ms
Discarding 9 places :
Also discarding 0 output transitions
Applied a total of 1 rules in 18 ms. Remains 154 /163 variables (removed 9) and now considering 425/425 (removed 0) transitions.
Starting structural reductions in SI_LTL mode, iteration 2 : 154/163 places, 425/428 transitions.
Finished structural reductions in SI_LTL mode , in 2 iterations and 30244 ms. Remains : 154/163 places, 425/428 transitions.
Built C files in :
/tmp/ltsmin680223599298979597
[2025-06-02 13:12:15] [INFO ] Built C files in 8ms conformant to PINS (ltsmin variant)in folder :/tmp/ltsmin680223599298979597
Running compilation step : cd /tmp/ltsmin680223599298979597;'/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 1126 ms.
Running link step : cd /tmp/ltsmin680223599298979597;'gcc' '-shared' '-o' 'gal.so' 'model.o'
Link finished in 55 ms.
Running LTSmin : cd /tmp/ltsmin680223599298979597;'/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/stateBased14414325648150004780.hoa' '--buchi-type=spotba'
WARNING : LTS min runner thread was asked to interrupt. Dying gracefully.
Support contains 4 out of 163 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 163/163 places, 428/428 transitions.
Applied a total of 0 rules in 3 ms. Remains 163 /163 variables (removed 0) and now considering 428/428 (removed 0) transitions.
[2025-06-02 13:12:30] [INFO ] Flow matrix only has 396 transitions (discarded 32 similar events)
// Phase 1: matrix 396 rows 163 cols
[2025-06-02 13:12:30] [INFO ] Computed 7 invariants in 1 ms
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-02 13:12:30] [INFO ] Implicit Places using invariants in 129 ms returned []
[2025-06-02 13:12:30] [INFO ] Flow matrix only has 396 transitions (discarded 32 similar events)
[2025-06-02 13:12:30] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-02 13:12:30] [INFO ] State equation strengthened by 58 read => feed constraints.
[2025-06-02 13:12:31] [INFO ] Implicit Places using invariants and state equation in 469 ms returned []
Implicit Place search using SMT with State Equation took 600 ms to find 0 implicit places.
Running 427 sub problems to find dead transitions.
[2025-06-02 13:12:31] [INFO ] Flow matrix only has 396 transitions (discarded 32 similar events)
[2025-06-02 13:12:31] [INFO ] Invariant cache hit.
[2025-06-02 13:12:31] [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) 0/162 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 427 unsolved
At refinement iteration 1 (OVERLAPS) 1/163 variables, 7/7 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 13:12:38] [INFO ] Deduced a trap composed of 36 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 13:12:39] [INFO ] Deduced a trap composed of 54 places in 212 ms of which 17 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 13:12:39] [INFO ] Deduced a trap composed of 24 places in 232 ms of which 28 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 13:12:40] [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 13:12:40] [INFO ] Deduced a trap composed of 36 places in 58 ms of which 5 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 13:12:41] [INFO ] Deduced a trap composed of 36 places in 63 ms of which 5 ms to minimize.
At refinement iteration 2 (INCLUDED_ONLY) 0/163 variables, 6/13 constraints. Problems are: Problem set: 0 solved, 427 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/163 variables, 0/13 constraints. Problems are: Problem set: 0 solved, 427 unsolved
At refinement iteration 4 (OVERLAPS) 395/558 variables, 163/176 constraints. Problems are: Problem set: 0 solved, 427 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/558 variables, 57/233 constraints. Problems are: Problem set: 0 solved, 427 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/558 variables, 0/233 constraints. Problems are: Problem set: 0 solved, 427 unsolved
SMT process timed out in 30234ms, After SMT, problems are : Problem set: 0 solved, 427 unsolved
Search for dead transitions found 0 dead transitions in 30235ms
Finished structural reductions in LTL mode , in 1 iterations and 30839 ms. Remains : 163/163 places, 428/428 transitions.
Built C files in :
/tmp/ltsmin11657265142533524095
[2025-06-02 13:13:01] [INFO ] Built C files in 12ms conformant to PINS (ltsmin variant)in folder :/tmp/ltsmin11657265142533524095
Running compilation step : cd /tmp/ltsmin11657265142533524095;'/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 1345 ms.
Running link step : cd /tmp/ltsmin11657265142533524095;'gcc' '-shared' '-o' 'gal.so' 'model.o'
Link finished in 56 ms.
Running LTSmin : cd /tmp/ltsmin11657265142533524095;'/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/stateBased3230251606474184870.hoa' '--buchi-type=spotba'
WARNING : LTS min runner thread was asked to interrupt. Dying gracefully.
[2025-06-02 13:13:16] [INFO ] Flatten gal took : 23 ms
[2025-06-02 13:13:16] [INFO ] Flatten gal took : 22 ms
[2025-06-02 13:13:16] [INFO ] Time to serialize gal into /tmp/LTL8558537097452689700.gal : 4 ms
[2025-06-02 13:13:16] [INFO ] Time to serialize properties into /tmp/LTL1969971213989834613.prop : 1 ms
Invoking ITS tools like this :cd /home/mcc/execution;'/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202505121319/bin/its-ltl-linux64' '--gc-threshold' '2000000' '-i' '/tmp/LTL8558537097452689700.gal' '-t' 'CGAL' '-hoa' '/tmp/aut1989571733504250473.hoa' '-atoms' '/tmp/LTL1969971213989834613.prop' '-c' '-stutter-deadlock' '--gen-order' 'FOLLOW'

its-ltl command run as :

/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202505121319/bin/its-ltl-linux64 --gc-threshold 2000000 -i /tmp/L...317
Loading property file /tmp/LTL1969971213989834613.prop.
Loaded 2 atomic propositions.
Checking formula 0 provided in automaton : /tmp/aut1989571733504250473.hoa
Detected timeout of ITS tools.
[2025-06-02 13:13:31] [INFO ] Flatten gal took : 17 ms
[2025-06-02 13:13:31] [INFO ] Flatten gal took : 16 ms
[2025-06-02 13:13:31] [INFO ] Time to serialize gal into /tmp/LTL1973867354929374237.gal : 3 ms
[2025-06-02 13:13:31] [INFO ] Time to serialize properties into /tmp/LTL16838784685977754730.ltl : 0 ms
Invoking ITS tools like this :cd /home/mcc/execution;'/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202505121319/bin/its-ltl-linux64' '--gc-threshold' '2000000' '-i' '/tmp/LTL1973867354929374237.gal' '-t' 'CGAL' '-LTL' '/tmp/LTL16838784685977754730.ltl' '-c' '-stutter-deadlock' '--gen-order' 'FOLLOW'

its-ltl command run as :

/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202505121319/bin/its-ltl-linux64 --gc-threshold 2000000 -i /tmp/L...276
Read 1 LTL properties
Checking formula 0 : !((X((G("((p2==0)||(p73==0))"))||(X(G("((p7==0)||(p91==0))"))))))
Formula 0 simplified : X(F!"((p2==0)||(p73==0))" & XF!"((p7==0)||(p91==0))")
Detected timeout of ITS tools.
[2025-06-02 13:13:46] [INFO ] Flatten gal took : 16 ms
[2025-06-02 13:13:46] [INFO ] Applying decomposition
[2025-06-02 13:13:46] [INFO ] Flatten gal took : 16 ms
Converted graph to binary with : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.louvain.binaries_1.0.0.202505121319/bin/convert-linux64' '-i' '/tmp/graph8576874712809559673.txt' '-o' '/tmp/graph8576874712809559673.bin' '-w' '/tmp/graph8576874712809559673.weights'
Built communities with : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.louvain.binaries_1.0.0.202505121319/bin/louvain-linux64' '/tmp/graph8576874712809559673.bin' '-l' '-1' '-v' '-w' '/tmp/graph8576874712809559673.weights' '-q' '0' '-e' '0.001'
[2025-06-02 13:13:46] [INFO ] Decomposing Gal with order
[2025-06-02 13:13:46] [INFO ] Rewriting arrays to variables to allow decomposition.
[2025-06-02 13:13:46] [INFO ] Removed a total of 675 redundant transitions.
[2025-06-02 13:13:46] [INFO ] Flatten gal took : 42 ms
[2025-06-02 13:13:47] [INFO ] Fuse similar labels procedure discarded/fused a total of 113 labels/synchronizations in 14 ms.
[2025-06-02 13:13:47] [INFO ] Time to serialize gal into /tmp/LTL6486298904303071747.gal : 4 ms
[2025-06-02 13:13:47] [INFO ] Time to serialize properties into /tmp/LTL8604785325463937167.ltl : 0 ms
Invoking ITS tools like this :cd /home/mcc/execution;'/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202505121319/bin/its-ltl-linux64' '--gc-threshold' '2000000' '-i' '/tmp/LTL6486298904303071747.gal' '-t' 'CGAL' '-LTL' '/tmp/LTL8604785325463937167.ltl' '-c' '-stutter-deadlock'

its-ltl command run as :

/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202505121319/bin/its-ltl-linux64 --gc-threshold 2000000 -i /tmp/L...254
Read 1 LTL properties
Checking formula 0 : !((X((G("((i0.i0.u0.p2==0)||(i8.u25.p73==0))"))||(X(G("((i1.u2.p7==0)||(i6.u31.p91==0))"))))))
Formula 0 simplified : X(F!"((i0.i0.u0.p2==0)||(i8.u25.p73==0))" & XF!"((i1.u2.p7==0)||(i6.u31.p91==0))")
Detected timeout of ITS tools.
Treatment of property FireWire-PT-12-LTLFireability-07 finished in 240236 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 164 places. Attempting structural reductions.
Starting structural reductions in SI_LTL mode, iteration 0 : 164/164 places, 428/428 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 163 transition count 421
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 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 18 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 24 place count 154 transition count 424
Applied a total of 24 rules in 21 ms. Remains 154 /164 variables (removed 10) and now considering 424/428 (removed 4) transitions.
[2025-06-02 13:14:02] [INFO ] Flow matrix only has 385 transitions (discarded 39 similar events)
// Phase 1: matrix 385 rows 154 cols
[2025-06-02 13:14:02] [INFO ] Computed 8 invariants in 2 ms
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-02 13:14:02] [INFO ] Implicit Places using invariants in 160 ms returned []
[2025-06-02 13:14:02] [INFO ] Flow matrix only has 385 transitions (discarded 39 similar events)
[2025-06-02 13:14:02] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-02 13:14:02] [INFO ] State equation strengthened by 56 read => feed constraints.
[2025-06-02 13:14:02] [INFO ] Implicit Places using invariants and state equation in 607 ms returned [105]
Discarding 1 places :
Implicit Place search using SMT with State Equation took 778 ms to find 1 implicit places.
Starting structural reductions in SI_LTL mode, iteration 1 : 153/164 places, 424/428 transitions.
Applied a total of 0 rules in 9 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 808 ms. Remains : 153/164 places, 424/428 transitions.
Stuttering acceptance computed with spot in 48 ms :[(NOT p0)]
Running random walk in product with property : FireWire-PT-12-LTLFireability-08
Stuttering criterion allowed to conclude after 0 steps with 0 reset in 0 ms.
FORMULA FireWire-PT-12-LTLFireability-08 FALSE TECHNIQUES STUTTER_TEST
Treatment of property FireWire-PT-12-LTLFireability-08 finished in 878 ms.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202505121319/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!(X(X((X(X(G((G(p0) U p1)))) U (G(p3)&&p2)))))'
Support contains 6 out of 164 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 164/164 places, 428/428 transitions.
Applied a total of 0 rules in 2 ms. Remains 164 /164 variables (removed 0) and now considering 428/428 (removed 0) transitions.
[2025-06-02 13:14:02] [INFO ] Flow matrix only has 396 transitions (discarded 32 similar events)
// Phase 1: matrix 396 rows 164 cols
[2025-06-02 13:14:02] [INFO ] Computed 8 invariants in 3 ms
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-02 13:14:03] [INFO ] Implicit Places using invariants in 230 ms returned []
[2025-06-02 13:14:03] [INFO ] Flow matrix only has 396 transitions (discarded 32 similar events)
[2025-06-02 13:14:03] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-02 13:14:03] [INFO ] State equation strengthened by 58 read => feed constraints.
[2025-06-02 13:14:03] [INFO ] Implicit Places using invariants and state equation in 611 ms returned [112]
Discarding 1 places :
Implicit Place search using SMT with State Equation took 843 ms to find 1 implicit places.
Starting structural reductions in LTL mode, iteration 1 : 163/164 places, 428/428 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 848 ms. Remains : 163/164 places, 428/428 transitions.
Stuttering acceptance computed with spot in 706 ms :[(OR (NOT p2) (NOT p3)), (OR (NOT p2) (NOT p3)), (OR (NOT p2) (NOT p3)), (NOT p1), (NOT p3), (NOT p1), true, (NOT p0), (NOT p1), (AND (NOT p1) (NOT p3)), (OR (AND p1 (NOT p3)) (AND p0 (NOT p3))), (AND (NOT p0) (NOT p3) p1)]
Running random walk in product with property : FireWire-PT-12-LTLFireability-09
Stuttering criterion allowed to conclude after 1 steps with 0 reset in 0 ms.
FORMULA FireWire-PT-12-LTLFireability-09 FALSE TECHNIQUES STUTTER_TEST
Treatment of property FireWire-PT-12-LTLFireability-09 finished in 1595 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 164 places. Attempting structural reductions.
Starting structural reductions in SI_LTL mode, iteration 0 : 164/164 places, 428/428 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 163 transition count 421
Deduced a syphon composed of 6 places in 1 ms
Reduce places removed 6 places and 0 transitions.
Iterating global reduction 0 with 12 rules applied. Total rules applied 12 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 1 ms
Reduce places removed 3 places and 0 transitions.
Iterating global reduction 0 with 6 rules applied. Total rules applied 18 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 24 place count 154 transition count 424
Applied a total of 24 rules in 25 ms. Remains 154 /164 variables (removed 10) and now considering 424/428 (removed 4) transitions.
[2025-06-02 13:14:04] [INFO ] Flow matrix only has 385 transitions (discarded 39 similar events)
// Phase 1: matrix 385 rows 154 cols
[2025-06-02 13:14:04] [INFO ] Computed 8 invariants in 2 ms
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-02 13:14:04] [INFO ] Implicit Places using invariants in 221 ms returned []
[2025-06-02 13:14:04] [INFO ] Flow matrix only has 385 transitions (discarded 39 similar events)
[2025-06-02 13:14:04] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-02 13:14:05] [INFO ] State equation strengthened by 56 read => feed constraints.
[2025-06-02 13:14:05] [INFO ] Implicit Places using invariants and state equation in 618 ms returned [105]
Discarding 1 places :
Implicit Place search using SMT with State Equation took 842 ms to find 1 implicit places.
Starting structural reductions in SI_LTL mode, iteration 1 : 153/164 places, 424/428 transitions.
Applied a total of 0 rules in 8 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 876 ms. Remains : 153/164 places, 424/428 transitions.
Stuttering acceptance computed with spot in 47 ms :[(NOT p0)]
Running random walk in product with property : FireWire-PT-12-LTLFireability-10
Product exploration explored 100000 steps with 10 reset in 387 ms.
Product exploration explored 100000 steps with 0 reset in 445 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 80 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 33 ms :[(NOT p0)]
RANDOM walk for 3375 steps (98 resets) in 10 ms. (306 steps per ms) remains 0/1 properties
Knowledge obtained : [p0, (X p0), (X (X p0))]
False Knowledge obtained : [(F (NOT p0))]
Knowledge based reduction with 3 factoid took 90 ms. Reduced automaton from 1 states, 2 edges and 1 AP (stutter insensitive) to 1 states, 2 edges and 1 AP (stutter insensitive).
Stuttering acceptance computed with spot in 32 ms :[(NOT p0)]
Stuttering acceptance computed with spot in 32 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 5 ms. Remains 153 /153 variables (removed 0) and now considering 424/424 (removed 0) transitions.
[2025-06-02 13:14:06] [INFO ] Flow matrix only has 385 transitions (discarded 39 similar events)
// Phase 1: matrix 385 rows 153 cols
[2025-06-02 13:14:06] [INFO ] Computed 7 invariants in 1 ms
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-02 13:14:06] [INFO ] Implicit Places using invariants in 159 ms returned []
[2025-06-02 13:14:06] [INFO ] Flow matrix only has 385 transitions (discarded 39 similar events)
[2025-06-02 13:14:06] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-02 13:14:06] [INFO ] State equation strengthened by 56 read => feed constraints.
[2025-06-02 13:14:07] [INFO ] Implicit Places using invariants and state equation in 604 ms returned []
Implicit Place search using SMT with State Equation took 769 ms to find 0 implicit places.
Starting Z3 with timeout 200.0 s and query timeout 20000.0 ms
[2025-06-02 13:14:07] [INFO ] Redundant transitions in 6 ms returned []
Running 417 sub problems to find dead transitions.
[2025-06-02 13:14:07] [INFO ] Flow matrix only has 385 transitions (discarded 39 similar events)
[2025-06-02 13:14:07] [INFO ] Invariant cache hit.
[2025-06-02 13:14:07] [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 13:14:11] [INFO ] Deduced a trap composed of 53 places in 239 ms of which 22 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 13:14:11] [INFO ] Deduced a trap composed of 23 places in 215 ms of which 18 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 13:14:11] [INFO ] Deduced a trap composed of 17 places in 155 ms of which 12 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 13:14:12] [INFO ] Deduced a trap composed of 25 places in 237 ms of which 28 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 13:14:12] [INFO ] Deduced a trap composed of 34 places in 67 ms of which 6 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 13:14:12] [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 13:14:13] [INFO ] Deduced a trap composed of 34 places in 62 ms of which 4 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 13:14:30] [INFO ] Deduced a trap composed of 33 places in 78 ms of which 6 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 13:14:30] [INFO ] Deduced a trap composed of 33 places in 70 ms of which 6 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 13:14:30] [INFO ] Deduced a trap composed of 33 places in 63 ms of which 6 ms to minimize.
At refinement iteration 5 (INCLUDED_ONLY) 0/537 variables, 3/226 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 13:14:34] [INFO ] Deduced a trap composed of 17 places in 221 ms of which 22 ms to minimize.
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 537/538 variables, and 227 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: 11/11 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, 11/18 constraints. Problems are: Problem set: 0 solved, 417 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/153 variables, 0/18 constraints. Problems are: Problem set: 0 solved, 417 unsolved
At refinement iteration 3 (OVERLAPS) 384/537 variables, 153/171 constraints. Problems are: Problem set: 0 solved, 417 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/537 variables, 56/227 constraints. Problems are: Problem set: 0 solved, 417 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/537 variables, 417/644 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 13:15:03] [INFO ] Deduced a trap composed of 56 places in 216 ms of which 35 ms to minimize.
At refinement iteration 6 (INCLUDED_ONLY) 0/537 variables, 1/645 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 645 constraints, problems are : Problem set: 0 solved, 417 unsolved in 30018 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: 12/12 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 60284ms problems are : Problem set: 0 solved, 417 unsolved
Search for dead transitions found 0 dead transitions in 60286ms
Finished structural reductions in SI_LTL mode , in 1 iterations and 61076 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 82 ms. Reduced automaton from 1 states, 2 edges and 1 AP (stutter insensitive) to 1 states, 2 edges and 1 AP (stutter insensitive).
Stuttering acceptance computed with spot in 38 ms :[(NOT p0)]
RANDOM walk for 724 steps (25 resets) in 4 ms. (144 steps per ms) remains 0/1 properties
Knowledge obtained : [p0, (X p0), (X (X p0))]
False Knowledge obtained : [(F (NOT p0))]
Knowledge based reduction with 3 factoid took 129 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 51 ms :[(NOT p0)]
Stuttering acceptance computed with spot in 51 ms :[(NOT p0)]
Stuttering acceptance computed with spot in 49 ms :[(NOT p0)]
Product exploration explored 100000 steps with 9 reset in 108 ms.
Product exploration explored 100000 steps with 3 reset in 483 ms.
Built C files in :
/tmp/ltsmin1706066714949836481
[2025-06-02 13:15:08] [INFO ] Computing symmetric may disable matrix : 424 transitions.
[2025-06-02 13:15:08] [INFO ] Computation of Complete disable matrix. took 2 ms. Total solver calls (SAT/UNSAT): 0(0/0)
[2025-06-02 13:15:08] [INFO ] Computing symmetric may enable matrix : 424 transitions.
[2025-06-02 13:15:08] [INFO ] Computation of Complete enable matrix. took 2 ms. Total solver calls (SAT/UNSAT): 0(0/0)
[2025-06-02 13:15:08] [INFO ] Computing Do-Not-Accords matrix : 424 transitions.
[2025-06-02 13:15:08] [INFO ] Computation of Completed DNA matrix. took 8 ms. Total solver calls (SAT/UNSAT): 0(0/0)
[2025-06-02 13:15:08] [INFO ] Built C files in 73ms conformant to PINS (ltsmin variant)in folder :/tmp/ltsmin1706066714949836481
Running compilation step : cd /tmp/ltsmin1706066714949836481;'/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 1460 ms.
Running link step : cd /tmp/ltsmin1706066714949836481;'gcc' '-shared' '-o' 'gal.so' 'model.o'
Link finished in 42 ms.
Running LTSmin : cd /tmp/ltsmin1706066714949836481;'/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/stateBased15852738179340081685.hoa' '--buchi-type=spotba'
LTSmin run took 1729 ms.
FORMULA FireWire-PT-12-LTLFireability-10 FALSE TECHNIQUES PARTIAL_ORDER EXPLICIT LTSMIN SAT_SMT
Treatment of property FireWire-PT-12-LTLFireability-10 finished in 67506 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((X(G(p1))||p0)) U X(p2)))'
Support contains 6 out of 164 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 164/164 places, 428/428 transitions.
Applied a total of 0 rules in 1 ms. Remains 164 /164 variables (removed 0) and now considering 428/428 (removed 0) transitions.
[2025-06-02 13:15:12] [INFO ] Flow matrix only has 396 transitions (discarded 32 similar events)
// Phase 1: matrix 396 rows 164 cols
[2025-06-02 13:15:12] [INFO ] Computed 8 invariants in 1 ms
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-02 13:15:12] [INFO ] Implicit Places using invariants in 156 ms returned []
[2025-06-02 13:15:12] [INFO ] Flow matrix only has 396 transitions (discarded 32 similar events)
[2025-06-02 13:15:12] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-02 13:15:12] [INFO ] State equation strengthened by 58 read => feed constraints.
[2025-06-02 13:15:12] [INFO ] Implicit Places using invariants and state equation in 484 ms returned [112]
Discarding 1 places :
Implicit Place search using SMT with State Equation took 642 ms to find 1 implicit places.
Starting structural reductions in LTL mode, iteration 1 : 163/164 places, 428/428 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 646 ms. Remains : 163/164 places, 428/428 transitions.
Stuttering acceptance computed with spot in 309 ms :[(NOT p2), (AND (NOT p1) (NOT p2)), (AND (NOT p0) (NOT p2) (NOT p1)), (NOT p2), true, (NOT p1), (AND (NOT p0) (NOT p1))]
Running random walk in product with property : FireWire-PT-12-LTLFireability-11
Product exploration explored 100000 steps with 50000 reset in 180 ms.
Product exploration explored 100000 steps with 50000 reset in 197 ms.
Computed a total of 19 stabilizing places and 31 stable transitions
Computed a total of 19 stabilizing places and 31 stable transitions
Knowledge obtained : [(AND (NOT p0) p2 (NOT p1)), (X p2), (X (NOT (AND (NOT p2) p1))), (X (NOT (AND p0 (NOT p2)))), (X (NOT (AND (NOT p2) (NOT p1)))), (X (NOT (AND (NOT p0) (NOT p2)))), (X (NOT p0)), (X (NOT p1)), (X (X p2)), (X (X (NOT (AND (NOT p2) p1)))), (X (X (NOT (AND p0 (NOT p2))))), (X (X (NOT (AND (NOT p2) (NOT p1))))), (X (X (NOT (AND (NOT p0) (NOT p2))))), (X (X (NOT p1))), (X (X (NOT p0)))]
False Knowledge obtained : []
Property proved to be true thanks to knowledge (Minato strategy)
Knowledge based reduction with 15 factoid took 23 ms. Reduced automaton from 7 states, 15 edges and 3 AP (stutter sensitive) to 1 states, 0 edges and 0 AP (stutter insensitive).
FORMULA FireWire-PT-12-LTLFireability-11 TRUE TECHNIQUES KNOWLEDGE
Treatment of property FireWire-PT-12-LTLFireability-11 finished in 1381 ms.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202505121319/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!(X(G(p0)))'
Support contains 2 out of 164 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 164/164 places, 428/428 transitions.
Applied a total of 0 rules in 1 ms. Remains 164 /164 variables (removed 0) and now considering 428/428 (removed 0) transitions.
[2025-06-02 13:15:13] [INFO ] Flow matrix only has 396 transitions (discarded 32 similar events)
[2025-06-02 13:15:13] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-02 13:15:13] [INFO ] Implicit Places using invariants in 219 ms returned []
[2025-06-02 13:15:13] [INFO ] Flow matrix only has 396 transitions (discarded 32 similar events)
[2025-06-02 13:15:13] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-02 13:15:13] [INFO ] State equation strengthened by 58 read => feed constraints.
[2025-06-02 13:15:14] [INFO ] Implicit Places using invariants and state equation in 614 ms returned [112]
Discarding 1 places :
Implicit Place search using SMT with State Equation took 836 ms to find 1 implicit places.
Starting structural reductions in LTL mode, iteration 1 : 163/164 places, 428/428 transitions.
Applied a total of 0 rules in 1 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 839 ms. Remains : 163/164 places, 428/428 transitions.
Stuttering acceptance computed with spot in 113 ms :[true, (NOT p0), (NOT p0)]
Running random walk in product with property : FireWire-PT-12-LTLFireability-12
Product exploration explored 100000 steps with 16 reset in 66 ms.
Product exploration explored 100000 steps with 2 reset in 76 ms.
Computed a total of 19 stabilizing places and 31 stable transitions
Computed a total of 19 stabilizing places and 31 stable transitions
Knowledge obtained : [p0, (X p0), (X (X p0))]
False Knowledge obtained : []
Knowledge sufficient to adopt a stutter insensitive property.
Knowledge based reduction with 3 factoid took 105 ms. Reduced automaton from 3 states, 4 edges and 1 AP (stutter sensitive) to 2 states, 3 edges and 1 AP (stutter insensitive).
Stuttering acceptance computed with spot in 63 ms :[true, (NOT p0)]
RANDOM walk for 10164 steps (275 resets) in 39 ms. (254 steps per ms) remains 0/1 properties
Knowledge obtained : [p0, (X p0), (X (X p0))]
False Knowledge obtained : [(F (NOT p0))]
Property proved to be false thanks to negative knowledge :(F (NOT p0))
Knowledge based reduction with 3 factoid took 137 ms. Reduced automaton from 2 states, 3 edges and 1 AP (stutter insensitive) to 1 states, 1 edges and 0 AP (stutter insensitive).
FORMULA FireWire-PT-12-LTLFireability-12 FALSE TECHNIQUES KNOWLEDGE
Treatment of property FireWire-PT-12-LTLFireability-12 finished in 1468 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((X(p0)&&(p1 U X(G(!p1))))))'
Support contains 2 out of 164 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 164/164 places, 428/428 transitions.
Applied a total of 0 rules in 1 ms. Remains 164 /164 variables (removed 0) and now considering 428/428 (removed 0) transitions.
[2025-06-02 13:15:14] [INFO ] Flow matrix only has 396 transitions (discarded 32 similar events)
[2025-06-02 13:15:14] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-02 13:15:15] [INFO ] Implicit Places using invariants in 221 ms returned []
[2025-06-02 13:15:15] [INFO ] Flow matrix only has 396 transitions (discarded 32 similar events)
[2025-06-02 13:15:15] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-02 13:15:15] [INFO ] State equation strengthened by 58 read => feed constraints.
[2025-06-02 13:15:15] [INFO ] Implicit Places using invariants and state equation in 602 ms returned [112]
Discarding 1 places :
Implicit Place search using SMT with State Equation took 826 ms to find 1 implicit places.
Starting structural reductions in LTL mode, iteration 1 : 163/164 places, 428/428 transitions.
Applied a total of 0 rules in 1 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 829 ms. Remains : 163/164 places, 428/428 transitions.
Stuttering acceptance computed with spot in 170 ms :[(OR (NOT p0) p1), true, (OR (NOT p0) p1), (OR (NOT p0) p1)]
Running random walk in product with property : FireWire-PT-12-LTLFireability-13
Entered a terminal (fully accepting) state of product in 1 steps with 0 reset in 0 ms.
FORMULA FireWire-PT-12-LTLFireability-13 FALSE TECHNIQUES STUTTER_TEST
Treatment of property FireWire-PT-12-LTLFireability-13 finished in 1026 ms.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202505121319/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!(X(G(p0)))'
Support contains 1 out of 164 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 164/164 places, 428/428 transitions.
Applied a total of 0 rules in 1 ms. Remains 164 /164 variables (removed 0) and now considering 428/428 (removed 0) transitions.
[2025-06-02 13:15:15] [INFO ] Flow matrix only has 396 transitions (discarded 32 similar events)
[2025-06-02 13:15:15] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-02 13:15:16] [INFO ] Implicit Places using invariants in 221 ms returned []
[2025-06-02 13:15:16] [INFO ] Flow matrix only has 396 transitions (discarded 32 similar events)
[2025-06-02 13:15:16] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-02 13:15:16] [INFO ] State equation strengthened by 58 read => feed constraints.
[2025-06-02 13:15:16] [INFO ] Implicit Places using invariants and state equation in 602 ms returned [112]
Discarding 1 places :
Implicit Place search using SMT with State Equation took 826 ms to find 1 implicit places.
Starting structural reductions in LTL mode, iteration 1 : 163/164 places, 428/428 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 829 ms. Remains : 163/164 places, 428/428 transitions.
Stuttering acceptance computed with spot in 113 ms :[true, (NOT p0), (NOT p0)]
Running random walk in product with property : FireWire-PT-12-LTLFireability-15
Entered a terminal (fully accepting) state of product in 1 steps with 0 reset in 0 ms.
FORMULA FireWire-PT-12-LTLFireability-15 FALSE TECHNIQUES STUTTER_TEST
Treatment of property FireWire-PT-12-LTLFireability-15 finished in 962 ms.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202505121319/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!(F(G((p0 U !p1))))'
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202505121319/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!(X((G(p0)||X(G(p1)))))'
Found a Lengthening insensitive property : FireWire-PT-12-LTLFireability-07
Stuttering acceptance computed with spot in 262 ms :[true, (NOT p1), (AND (NOT p1) (NOT p0)), (NOT p0), (AND (NOT p1) (NOT p0)), (AND (NOT p0) (NOT p1))]
Support contains 4 out of 164 places. Attempting structural reductions.
Starting structural reductions in LI_LTL mode, iteration 0 : 164/164 places, 428/428 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 163 transition count 421
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 157 transition count 421
Performed 3 Post agglomeration using F-continuation condition.Transition count delta: -9
Deduced a syphon composed of 3 places in 1 ms
Reduce places removed 3 places and 0 transitions.
Iterating global reduction 0 with 6 rules applied. Total rules applied 18 place count 154 transition count 430
Drop transitions (Redundant composition of simpler transitions.) removed 3 transitions
Redundant transition composition rules discarded 3 transitions
Iterating global reduction 0 with 3 rules applied. Total rules applied 21 place count 154 transition count 427
Applied a total of 21 rules in 14 ms. Remains 154 /164 variables (removed 10) and now considering 427/428 (removed 1) transitions.
[2025-06-02 13:15:17] [INFO ] Flow matrix only has 388 transitions (discarded 39 similar events)
// Phase 1: matrix 388 rows 154 cols
[2025-06-02 13:15:17] [INFO ] Computed 8 invariants in 3 ms
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-02 13:15:17] [INFO ] Implicit Places using invariants in 215 ms returned []
[2025-06-02 13:15:17] [INFO ] Flow matrix only has 388 transitions (discarded 39 similar events)
[2025-06-02 13:15:17] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-02 13:15:18] [INFO ] State equation strengthened by 56 read => feed constraints.
[2025-06-02 13:15:18] [INFO ] Implicit Places using invariants and state equation in 637 ms returned [105]
Discarding 1 places :
Implicit Place search using SMT with State Equation took 860 ms to find 1 implicit places.
Starting structural reductions in LI_LTL mode, iteration 1 : 153/164 places, 427/428 transitions.
Applied a total of 0 rules in 7 ms. Remains 153 /153 variables (removed 0) and now considering 427/427 (removed 0) transitions.
Finished structural reductions in LI_LTL mode , in 2 iterations and 882 ms. Remains : 153/164 places, 427/428 transitions.
Running random walk in product with property : FireWire-PT-12-LTLFireability-07
Product exploration explored 100000 steps with 5 reset in 173 ms.
Product exploration explored 100000 steps with 6 reset in 460 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 : [(AND p1 p0), (X p0), (X (X (NOT (AND (NOT p0) (NOT p1))))), (X (X (AND p0 p1))), (X (X (NOT (AND (NOT p0) p1)))), (X (X p1)), (X (X p0)), (X (X (NOT (AND p0 (NOT p1)))))]
False Knowledge obtained : []
Knowledge based reduction with 8 factoid took 147 ms. Reduced automaton from 6 states, 12 edges and 2 AP (stutter sensitive) to 6 states, 11 edges and 2 AP (stutter sensitive).
Stuttering acceptance computed with spot in 264 ms :[true, (NOT p1), (NOT p0), (AND (NOT p1) (NOT p0)), (AND (NOT p1) (NOT p0)), (AND (NOT p1) (NOT p0))]
RANDOM walk for 40000 steps (1273 resets) in 234 ms. (170 steps per ms) remains 3/6 properties
BEST_FIRST walk for 40004 steps (12 resets) in 44 ms. (888 steps per ms) remains 3/3 properties
BEST_FIRST walk for 40004 steps (274 resets) in 83 ms. (476 steps per ms) remains 3/3 properties
BEST_FIRST walk for 40004 steps (271 resets) in 51 ms. (769 steps per ms) remains 3/3 properties
[2025-06-02 13:15:19] [INFO ] Flow matrix only has 388 transitions (discarded 39 similar events)
// Phase 1: matrix 388 rows 153 cols
[2025-06-02 13:15:19] [INFO ] Computed 7 invariants in 1 ms
[2025-06-02 13:15:19] [INFO ] State equation strengthened by 56 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) 0/4 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 1 (OVERLAPS) 49/53 variables, 2/2 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/53 variables, 0/2 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 3 (OVERLAPS) 294/347 variables, 53/55 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/347 variables, 18/73 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/347 variables, 0/73 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 6 (OVERLAPS) 172/519 variables, 85/158 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/519 variables, 1/159 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/519 variables, 38/197 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/519 variables, 0/197 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 10 (OVERLAPS) 2/521 variables, 2/199 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/521 variables, 2/201 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 12 (INCLUDED_ONLY) 0/521 variables, 0/201 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 13 (OVERLAPS) 17/538 variables, 11/212 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 14 (INCLUDED_ONLY) 0/538 variables, 2/214 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 15 (INCLUDED_ONLY) 0/538 variables, 0/214 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 16 (OVERLAPS) 2/540 variables, 2/216 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 17 (INCLUDED_ONLY) 0/540 variables, 0/216 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 18 (OVERLAPS) 0/540 variables, 0/216 constraints. Problems are: Problem set: 0 solved, 3 unsolved
No progress, stopping.
After SMT solving in domain Real declared 540/541 variables, and 216 constraints, problems are : Problem set: 0 solved, 3 unsolved in 520 ms.
Refiners :[Positive P Invariants (semi-flows): 7/7 constraints, State Equation: 153/153 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 5.0 s and query timeout 500.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/4 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 3 unsolved
Problem apf1 is UNSAT
At refinement iteration 1 (OVERLAPS) 49/53 variables, 2/2 constraints. Problems are: Problem set: 1 solved, 2 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/53 variables, 0/2 constraints. Problems are: Problem set: 1 solved, 2 unsolved
At refinement iteration 3 (OVERLAPS) 294/347 variables, 53/55 constraints. Problems are: Problem set: 1 solved, 2 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/347 variables, 18/73 constraints. Problems are: Problem set: 1 solved, 2 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/347 variables, 0/73 constraints. Problems are: Problem set: 1 solved, 2 unsolved
At refinement iteration 6 (OVERLAPS) 172/519 variables, 85/158 constraints. Problems are: Problem set: 1 solved, 2 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/519 variables, 1/159 constraints. Problems are: Problem set: 1 solved, 2 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/519 variables, 38/197 constraints. Problems are: Problem set: 1 solved, 2 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/519 variables, 2/199 constraints. Problems are: Problem set: 1 solved, 2 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/519 variables, 0/199 constraints. Problems are: Problem set: 1 solved, 2 unsolved
At refinement iteration 11 (OVERLAPS) 2/521 variables, 2/201 constraints. Problems are: Problem set: 1 solved, 2 unsolved
At refinement iteration 12 (INCLUDED_ONLY) 0/521 variables, 2/203 constraints. Problems are: Problem set: 1 solved, 2 unsolved
At refinement iteration 13 (INCLUDED_ONLY) 0/521 variables, 0/203 constraints. Problems are: Problem set: 1 solved, 2 unsolved
At refinement iteration 14 (OVERLAPS) 17/538 variables, 11/214 constraints. Problems are: Problem set: 1 solved, 2 unsolved
At refinement iteration 15 (INCLUDED_ONLY) 0/538 variables, 2/216 constraints. Problems are: Problem set: 1 solved, 2 unsolved
At refinement iteration 16 (INCLUDED_ONLY) 0/538 variables, 0/216 constraints. Problems are: Problem set: 1 solved, 2 unsolved
At refinement iteration 17 (OVERLAPS) 2/540 variables, 2/218 constraints. Problems are: Problem set: 1 solved, 2 unsolved
At refinement iteration 18 (INCLUDED_ONLY) 0/540 variables, 0/218 constraints. Problems are: Problem set: 1 solved, 2 unsolved
At refinement iteration 19 (OVERLAPS) 0/540 variables, 0/218 constraints. Problems are: Problem set: 1 solved, 2 unsolved
No progress, stopping.
After SMT solving in domain Int declared 540/541 variables, and 218 constraints, problems are : Problem set: 1 solved, 2 unsolved in 807 ms.
Refiners :[Positive P Invariants (semi-flows): 7/7 constraints, State Equation: 153/153 constraints, ReadFeed: 56/56 constraints, PredecessorRefiner: 2/3 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 1344ms problems are : Problem set: 1 solved, 2 unsolved
Fused 2 Parikh solutions to 1 different solutions.
Parikh walk visited 0 properties in 28 ms.
Support contains 4 out of 153 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 153/153 places, 427/427 transitions.
Drop transitions (Empty/Sink Transition effects.) removed 6 transitions
Reduce isomorphic transitions removed 6 transitions.
Iterating post reduction 0 with 6 rules applied. Total rules applied 6 place count 153 transition count 421
Drop transitions (Redundant composition of simpler transitions.) removed 3 transitions
Redundant transition composition rules discarded 3 transitions
Iterating global reduction 1 with 3 rules applied. Total rules applied 9 place count 153 transition count 418
Free-agglomeration rule (complex) applied 4 times.
Iterating global reduction 1 with 4 rules applied. Total rules applied 13 place count 153 transition count 424
Reduce places removed 4 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 1 with 10 rules applied. Total rules applied 23 place count 149 transition count 418
Drop transitions (Redundant composition of simpler transitions.) removed 4 transitions
Redundant transition composition rules discarded 4 transitions
Iterating global reduction 2 with 4 rules applied. Total rules applied 27 place count 149 transition count 414
Applied a total of 27 rules in 29 ms. Remains 149 /153 variables (removed 4) and now considering 414/427 (removed 13) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 30 ms. Remains : 149/153 places, 414/427 transitions.
RANDOM walk for 40000 steps (1316 resets) in 149 ms. (266 steps per ms) remains 2/2 properties
BEST_FIRST walk for 40004 steps (298 resets) in 58 ms. (678 steps per ms) remains 2/2 properties
BEST_FIRST walk for 40003 steps (289 resets) in 43 ms. (909 steps per ms) remains 2/2 properties
Interrupted probabilistic random walk after 550899 steps, run timeout after 3001 ms. (steps per millisecond=183 ) properties seen :0 out of 2
Probabilistic random walk after 550899 steps, saw 155882 distinct states, run finished after 3001 ms. (steps per millisecond=183 ) properties seen :0
[2025-06-02 13:15:24] [INFO ] Flow matrix only has 378 transitions (discarded 36 similar events)
// Phase 1: matrix 378 rows 149 cols
[2025-06-02 13:15:24] [INFO ] Computed 7 invariants in 1 ms
[2025-06-02 13:15:24] [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, 2 unsolved
At refinement iteration 1 (OVERLAPS) 49/53 variables, 2/2 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/53 variables, 0/2 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 3 (OVERLAPS) 289/342 variables, 53/55 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/342 variables, 18/73 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/342 variables, 0/73 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 6 (OVERLAPS) 166/508 variables, 83/156 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/508 variables, 3/159 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/508 variables, 38/197 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/508 variables, 0/197 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 10 (OVERLAPS) 17/525 variables, 11/208 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/525 variables, 2/210 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 12 (INCLUDED_ONLY) 0/525 variables, 0/210 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 13 (OVERLAPS) 2/527 variables, 2/212 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 14 (INCLUDED_ONLY) 0/527 variables, 0/212 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 15 (OVERLAPS) 0/527 variables, 0/212 constraints. Problems are: Problem set: 0 solved, 2 unsolved
No progress, stopping.
After SMT solving in domain Real declared 527/527 variables, and 212 constraints, problems are : Problem set: 0 solved, 2 unsolved in 255 ms.
Refiners :[Positive P Invariants (semi-flows): 7/7 constraints, State Equation: 149/149 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) 0/4 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 1 (OVERLAPS) 49/53 variables, 2/2 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/53 variables, 0/2 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 3 (OVERLAPS) 289/342 variables, 53/55 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/342 variables, 18/73 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/342 variables, 0/73 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 6 (OVERLAPS) 166/508 variables, 83/156 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/508 variables, 3/159 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/508 variables, 38/197 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/508 variables, 2/199 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/508 variables, 0/199 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 11 (OVERLAPS) 17/525 variables, 11/210 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 12 (INCLUDED_ONLY) 0/525 variables, 2/212 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 13 (INCLUDED_ONLY) 0/525 variables, 0/212 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 14 (OVERLAPS) 2/527 variables, 2/214 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 15 (INCLUDED_ONLY) 0/527 variables, 0/214 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 16 (OVERLAPS) 0/527 variables, 0/214 constraints. Problems are: Problem set: 0 solved, 2 unsolved
No progress, stopping.
After SMT solving in domain Int declared 527/527 variables, and 214 constraints, problems are : Problem set: 0 solved, 2 unsolved in 691 ms.
Refiners :[Positive P Invariants (semi-flows): 7/7 constraints, State Equation: 149/149 constraints, ReadFeed: 56/56 constraints, PredecessorRefiner: 2/2 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 955ms problems are : Problem set: 0 solved, 2 unsolved
Fused 2 Parikh solutions to 1 different solutions.
Parikh walk visited 0 properties in 22 ms.
Support contains 4 out of 149 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 149/149 places, 414/414 transitions.
Applied a total of 0 rules in 7 ms. Remains 149 /149 variables (removed 0) and now considering 414/414 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 7 ms. Remains : 149/149 places, 414/414 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 149/149 places, 414/414 transitions.
Applied a total of 0 rules in 6 ms. Remains 149 /149 variables (removed 0) and now considering 414/414 (removed 0) transitions.
[2025-06-02 13:15:25] [INFO ] Flow matrix only has 378 transitions (discarded 36 similar events)
[2025-06-02 13:15:25] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-02 13:15:25] [INFO ] Implicit Places using invariants in 193 ms returned []
[2025-06-02 13:15:25] [INFO ] Flow matrix only has 378 transitions (discarded 36 similar events)
[2025-06-02 13:15:25] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-02 13:15:25] [INFO ] State equation strengthened by 56 read => feed constraints.
[2025-06-02 13:15:25] [INFO ] Implicit Places using invariants and state equation in 499 ms returned []
Implicit Place search using SMT with State Equation took 694 ms to find 0 implicit places.
Starting Z3 with timeout 200.0 s and query timeout 20000.0 ms
[2025-06-02 13:15:25] [INFO ] Redundant transitions in 5 ms returned []
Running 408 sub problems to find dead transitions.
[2025-06-02 13:15:25] [INFO ] Flow matrix only has 378 transitions (discarded 36 similar events)
[2025-06-02 13:15:25] [INFO ] Invariant cache hit.
[2025-06-02 13:15:25] [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, 408 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 13:15:28] [INFO ] Deduced a trap composed of 51 places in 229 ms of which 30 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 13:15:28] [INFO ] Deduced a trap composed of 23 places in 233 ms of which 25 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 13:15:29] [INFO ] Deduced a trap composed of 17 places in 193 ms of which 17 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 13:15:29] [INFO ] Deduced a trap composed of 25 places in 180 ms of which 28 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 13:15:29] [INFO ] Deduced a trap composed of 32 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 13:15:30] [INFO ] Deduced a trap composed of 25 places in 207 ms of which 27 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 13:15:30] [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 13:15:30] [INFO ] Deduced a trap composed of 34 places in 57 ms of which 4 ms to minimize.
At refinement iteration 1 (INCLUDED_ONLY) 0/149 variables, 8/15 constraints. Problems are: Problem set: 0 solved, 408 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/149 variables, 0/15 constraints. Problems are: Problem set: 0 solved, 408 unsolved
At refinement iteration 3 (OVERLAPS) 378/527 variables, 149/164 constraints. Problems are: Problem set: 0 solved, 408 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/527 variables, 56/220 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 13:15:43] [INFO ] Deduced a trap composed of 31 places in 61 ms of which 5 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 13:15:43] [INFO ] Deduced a trap composed of 31 places in 52 ms of which 5 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 13:15:43] [INFO ] Deduced a trap composed of 33 places in 54 ms of which 4 ms to minimize.
At refinement iteration 5 (INCLUDED_ONLY) 0/527 variables, 3/223 constraints. Problems are: Problem set: 0 solved, 408 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/527 variables, 0/223 constraints. Problems are: Problem set: 0 solved, 408 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Real declared 527/527 variables, and 223 constraints, problems are : Problem set: 0 solved, 408 unsolved in 30013 ms.
Refiners :[Positive P Invariants (semi-flows): 7/7 constraints, State Equation: 149/149 constraints, ReadFeed: 56/56 constraints, PredecessorRefiner: 408/408 constraints, Known Traps: 11/11 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) 0/149 variables, 7/7 constraints. Problems are: Problem set: 0 solved, 408 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/149 variables, 11/18 constraints. Problems are: Problem set: 0 solved, 408 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/149 variables, 0/18 constraints. Problems are: Problem set: 0 solved, 408 unsolved
At refinement iteration 3 (OVERLAPS) 378/527 variables, 149/167 constraints. Problems are: Problem set: 0 solved, 408 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/527 variables, 56/223 constraints. Problems are: Problem set: 0 solved, 408 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/527 variables, 408/631 constraints. Problems are: Problem set: 0 solved, 408 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 527/527 variables, and 631 constraints, problems are : Problem set: 0 solved, 408 unsolved in 30018 ms.
Refiners :[Positive P Invariants (semi-flows): 7/7 constraints, State Equation: 149/149 constraints, ReadFeed: 56/56 constraints, PredecessorRefiner: 408/408 constraints, Known Traps: 11/11 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 60251ms problems are : Problem set: 0 solved, 408 unsolved
Search for dead transitions found 0 dead transitions in 60254ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 60967 ms. Remains : 149/149 places, 414/414 transitions.
Attempting over-approximation, by ignoring read arcs.
Graph (trivial) has 121 edges and 149 vertex of which 27 / 149 are part of one of the 3 SCC in 0 ms
Free SCC test removed 24 places
Drop transitions (Empty/Sink Transition effects.) removed 72 transitions
Ensure Unique test removed 55 transitions
Reduce isomorphic transitions removed 127 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 124 transition count 286
Drop transitions (Redundant composition of simpler transitions.) removed 7 transitions
Redundant transition composition rules discarded 7 transitions
Iterating global reduction 0 with 7 rules applied. Total rules applied 10 place count 124 transition count 279
Partial Free-agglomeration rule applied 3 times.
Drop transitions (Partial Free agglomeration) removed 3 transitions
Iterating global reduction 0 with 3 rules applied. Total rules applied 13 place count 124 transition count 279
Ensure Unique test removed 3 transitions
Reduce isomorphic transitions removed 3 transitions.
Iterating post reduction 0 with 3 rules applied. Total rules applied 16 place count 124 transition count 276
Discarding 1 places :
Symmetric choice reduction at 1 with 1 rule applications. Total rules 17 place count 123 transition count 275
Iterating global reduction 1 with 1 rules applied. Total rules applied 18 place count 123 transition count 275
Drop transitions (Redundant composition of simpler transitions.) removed 1 transitions
Redundant transition composition rules discarded 1 transitions
Iterating global reduction 1 with 1 rules applied. Total rules applied 19 place count 123 transition count 274
Partial Free-agglomeration rule applied 1 times.
Drop transitions (Partial Free agglomeration) removed 1 transitions
Iterating global reduction 1 with 1 rules applied. Total rules applied 20 place count 123 transition count 274
Applied a total of 20 rules in 32 ms. Remains 123 /149 variables (removed 26) and now considering 274/414 (removed 140) transitions.
Running SMT prover for 2 properties.
[2025-06-02 13:16:26] [INFO ] Flow matrix only has 272 transitions (discarded 2 similar events)
// Phase 1: matrix 272 rows 123 cols
[2025-06-02 13:16:26] [INFO ] Computed 7 invariants in 2 ms
Starting Z3 with timeout 450.0 s and query timeout 45000.0 ms
[2025-06-02 13:16:26] [INFO ] After 66ms 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 13:16:26] [INFO ] [Nat]Absence check using 7 positive place invariants in 5 ms returned sat
[2025-06-02 13:16:26] [INFO ] After 180ms SMT Verify possible using state equation in natural domain returned unsat :0 sat :2
TRAPS : Iteration 0
[2025-06-02 13:16:26] [INFO ] After 246ms SMT Verify possible using trap constraints in natural domain returned unsat :0 sat :2
[2025-06-02 13:16:26] [INFO ] After 374ms SMT Verify possible using all constraints in natural domain returned unsat :0 sat :2
Over-approximation ignoring read arcs solved 0 properties in 482 ms.
Found 1 invariant AP formulas.
Knowledge obtained : [(AND p1 p0), (X p0), (X (X (NOT (AND (NOT p0) (NOT p1))))), (X (X (AND p0 p1))), (X (X (NOT (AND (NOT p0) p1)))), (X (X p1)), (X (X p0)), (X (X (NOT (AND p0 (NOT p1))))), (G (OR p1 p0))]
False Knowledge obtained : [(F (NOT (OR p1 (NOT p0)))), (F (NOT (AND p1 p0))), (F (NOT p1))]
Knowledge based reduction with 9 factoid took 317 ms. Reduced automaton from 6 states, 11 edges and 2 AP (stutter sensitive) to 6 states, 10 edges and 2 AP (stutter sensitive).
Stuttering acceptance computed with spot in 266 ms :[true, (NOT p1), (NOT p0), (AND (NOT p1) (NOT p0)), (AND (NOT p1) (NOT p0)), (AND (NOT p1) (NOT p0))]
Stuttering acceptance computed with spot in 262 ms :[true, (NOT p1), (NOT p0), (AND (NOT p1) (NOT p0)), (AND (NOT p1) (NOT p0)), (AND (NOT p1) (NOT p0))]
Support contains 4 out of 153 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 153/153 places, 427/427 transitions.
Applied a total of 0 rules in 2 ms. Remains 153 /153 variables (removed 0) and now considering 427/427 (removed 0) transitions.
[2025-06-02 13:16:27] [INFO ] Flow matrix only has 388 transitions (discarded 39 similar events)
// Phase 1: matrix 388 rows 153 cols
[2025-06-02 13:16:27] [INFO ] Computed 7 invariants in 5 ms
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-02 13:16:27] [INFO ] Implicit Places using invariants in 234 ms returned []
[2025-06-02 13:16:27] [INFO ] Flow matrix only has 388 transitions (discarded 39 similar events)
[2025-06-02 13:16:27] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-02 13:16:27] [INFO ] State equation strengthened by 56 read => feed constraints.
[2025-06-02 13:16:28] [INFO ] Implicit Places using invariants and state equation in 669 ms returned []
Implicit Place search using SMT with State Equation took 904 ms to find 0 implicit places.
Running 420 sub problems to find dead transitions.
[2025-06-02 13:16:28] [INFO ] Flow matrix only has 388 transitions (discarded 39 similar events)
[2025-06-02 13:16:28] [INFO ] Invariant cache hit.
[2025-06-02 13:16:28] [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, 420 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 13:16:31] [INFO ] Deduced a trap composed of 53 places in 231 ms of which 21 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 13:16:31] [INFO ] Deduced a trap composed of 23 places in 232 ms of which 26 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 13:16:32] [INFO ] Deduced a trap composed of 17 places in 182 ms of which 17 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 13:16:32] [INFO ] Deduced a trap composed of 25 places in 232 ms of which 28 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 13:16:32] [INFO ] Deduced a trap composed of 34 places in 62 ms of which 5 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 13:16:33] [INFO ] Deduced a trap composed of 34 places in 61 ms of which 4 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 13:16:33] [INFO ] Deduced a trap composed of 34 places in 61 ms of which 4 ms to minimize.
At refinement iteration 1 (INCLUDED_ONLY) 0/153 variables, 7/14 constraints. Problems are: Problem set: 0 solved, 420 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/153 variables, 0/14 constraints. Problems are: Problem set: 0 solved, 420 unsolved
At refinement iteration 3 (OVERLAPS) 387/540 variables, 153/167 constraints. Problems are: Problem set: 0 solved, 420 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/540 variables, 56/223 constraints. Problems are: Problem set: 0 solved, 420 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 13:16:48] [INFO ] Deduced a trap composed of 17 places in 188 ms of which 23 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 13:16:51] [INFO ] Deduced a trap composed of 33 places in 67 ms of which 5 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 13:16:51] [INFO ] Deduced a trap composed of 33 places in 61 ms of which 5 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 13:16:51] [INFO ] Deduced a trap composed of 33 places in 64 ms of which 5 ms to minimize.
At refinement iteration 5 (INCLUDED_ONLY) 0/540 variables, 4/227 constraints. Problems are: Problem set: 0 solved, 420 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 13:16:54] [INFO ] Deduced a trap composed of 17 places in 170 ms of which 17 ms to minimize.
At refinement iteration 6 (INCLUDED_ONLY) 0/540 variables, 1/228 constraints. Problems are: Problem set: 0 solved, 420 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Real declared 540/541 variables, and 228 constraints, problems are : Problem set: 0 solved, 420 unsolved in 30025 ms.
Refiners :[Positive P Invariants (semi-flows): 7/7 constraints, State Equation: 153/153 constraints, ReadFeed: 56/56 constraints, PredecessorRefiner: 420/420 constraints, Known Traps: 12/12 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 420 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, 420 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/153 variables, 12/19 constraints. Problems are: Problem set: 0 solved, 420 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/153 variables, 0/19 constraints. Problems are: Problem set: 0 solved, 420 unsolved
At refinement iteration 3 (OVERLAPS) 387/540 variables, 153/172 constraints. Problems are: Problem set: 0 solved, 420 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/540 variables, 56/228 constraints. Problems are: Problem set: 0 solved, 420 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/540 variables, 420/648 constraints. Problems are: Problem set: 0 solved, 420 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 540/541 variables, and 648 constraints, problems are : Problem set: 0 solved, 420 unsolved in 30021 ms.
Refiners :[Positive P Invariants (semi-flows): 7/7 constraints, State Equation: 153/153 constraints, ReadFeed: 56/56 constraints, PredecessorRefiner: 420/420 constraints, Known Traps: 12/12 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 60181ms problems are : Problem set: 0 solved, 420 unsolved
Search for dead transitions found 0 dead transitions in 60185ms
Finished structural reductions in LTL mode , in 1 iterations and 61093 ms. Remains : 153/153 places, 427/427 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 : [(AND p1 p0), (X (X (AND p1 p0))), (X (X p1)), (X (X p0))]
False Knowledge obtained : []
Knowledge based reduction with 4 factoid took 131 ms. Reduced automaton from 6 states, 10 edges and 2 AP (stutter sensitive) to 6 states, 10 edges and 2 AP (stutter sensitive).
Stuttering acceptance computed with spot in 272 ms :[true, (NOT p1), (NOT p0), (AND (NOT p1) (NOT p0)), (AND (NOT p1) (NOT p0)), (AND (NOT p1) (NOT p0))]
RANDOM walk for 40000 steps (1316 resets) in 275 ms. (144 steps per ms) remains 1/3 properties
BEST_FIRST walk for 40003 steps (271 resets) in 44 ms. (888 steps per ms) remains 1/1 properties
[2025-06-02 13:17:29] [INFO ] Flow matrix only has 388 transitions (discarded 39 similar events)
[2025-06-02 13:17:29] [INFO ] Invariant cache hit.
[2025-06-02 13:17:29] [INFO ] State equation strengthened by 56 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) 0/2 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 1 (OVERLAPS) 51/53 variables, 2/2 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/53 variables, 0/2 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (OVERLAPS) 294/347 variables, 53/55 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/347 variables, 18/73 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/347 variables, 0/73 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (OVERLAPS) 172/519 variables, 85/158 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/519 variables, 1/159 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/519 variables, 38/197 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/519 variables, 0/197 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (OVERLAPS) 2/521 variables, 2/199 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/521 variables, 2/201 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 12 (INCLUDED_ONLY) 0/521 variables, 0/201 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 13 (OVERLAPS) 17/538 variables, 11/212 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 14 (INCLUDED_ONLY) 0/538 variables, 2/214 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 15 (INCLUDED_ONLY) 0/538 variables, 0/214 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 16 (OVERLAPS) 2/540 variables, 2/216 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 17 (INCLUDED_ONLY) 0/540 variables, 0/216 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 18 (OVERLAPS) 0/540 variables, 0/216 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Real declared 540/541 variables, and 216 constraints, problems are : Problem set: 0 solved, 1 unsolved in 326 ms.
Refiners :[Positive P Invariants (semi-flows): 7/7 constraints, State Equation: 153/153 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 5.0 s and query timeout 500.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/2 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 1 (OVERLAPS) 51/53 variables, 2/2 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/53 variables, 0/2 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (OVERLAPS) 294/347 variables, 53/55 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/347 variables, 18/73 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/347 variables, 0/73 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (OVERLAPS) 172/519 variables, 85/158 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/519 variables, 1/159 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/519 variables, 38/197 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/519 variables, 1/198 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/519 variables, 0/198 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 11 (OVERLAPS) 2/521 variables, 2/200 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 12 (INCLUDED_ONLY) 0/521 variables, 2/202 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 13 (INCLUDED_ONLY) 0/521 variables, 0/202 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 14 (OVERLAPS) 17/538 variables, 11/213 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 15 (INCLUDED_ONLY) 0/538 variables, 2/215 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 16 (INCLUDED_ONLY) 0/538 variables, 0/215 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 17 (OVERLAPS) 2/540 variables, 2/217 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 18 (INCLUDED_ONLY) 0/540 variables, 0/217 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 19 (OVERLAPS) 0/540 variables, 0/217 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Int declared 540/541 variables, and 217 constraints, problems are : Problem set: 0 solved, 1 unsolved in 499 ms.
Refiners :[Positive P Invariants (semi-flows): 7/7 constraints, State Equation: 153/153 constraints, ReadFeed: 56/56 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 832ms problems are : Problem set: 0 solved, 1 unsolved
Parikh walk visited 0 properties in 1 ms.
Support contains 2 out of 153 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 153/153 places, 427/427 transitions.
Drop transitions (Empty/Sink Transition effects.) removed 6 transitions
Reduce isomorphic transitions removed 6 transitions.
Iterating post reduction 0 with 6 rules applied. Total rules applied 6 place count 153 transition count 421
Drop transitions (Redundant composition of simpler transitions.) removed 3 transitions
Redundant transition composition rules discarded 3 transitions
Iterating global reduction 1 with 3 rules applied. Total rules applied 9 place count 153 transition count 418
Free-agglomeration rule (complex) applied 6 times.
Iterating global reduction 1 with 6 rules applied. Total rules applied 15 place count 153 transition count 427
Reduce places removed 6 places and 0 transitions.
Drop transitions (Empty/Sink Transition effects.) removed 6 transitions
Ensure Unique test removed 3 transitions
Reduce isomorphic transitions removed 9 transitions.
Iterating post reduction 1 with 15 rules applied. Total rules applied 30 place count 147 transition count 418
Drop transitions (Redundant composition of simpler transitions.) removed 6 transitions
Redundant transition composition rules discarded 6 transitions
Iterating global reduction 2 with 6 rules applied. Total rules applied 36 place count 147 transition count 412
Applied a total of 36 rules in 33 ms. Remains 147 /153 variables (removed 6) and now considering 412/427 (removed 15) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 33 ms. Remains : 147/153 places, 412/427 transitions.
RANDOM walk for 40000 steps (1305 resets) in 152 ms. (261 steps per ms) remains 1/1 properties
BEST_FIRST walk for 40004 steps (281 resets) in 47 ms. (833 steps per ms) remains 1/1 properties
Interrupted probabilistic random walk after 737280 steps, run timeout after 3001 ms. (steps per millisecond=245 ) properties seen :0 out of 1
Probabilistic random walk after 737280 steps, saw 213664 distinct states, run finished after 3001 ms. (steps per millisecond=245 ) properties seen :0
[2025-06-02 13:17:33] [INFO ] Flow matrix only has 375 transitions (discarded 37 similar events)
// Phase 1: matrix 375 rows 147 cols
[2025-06-02 13:17:33] [INFO ] Computed 7 invariants in 1 ms
[2025-06-02 13:17:33] [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) 0/2 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 1 (OVERLAPS) 49/51 variables, 2/2 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/51 variables, 0/2 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (OVERLAPS) 286/337 variables, 51/53 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/337 variables, 18/71 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/337 variables, 0/71 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (OVERLAPS) 166/503 variables, 83/154 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/503 variables, 3/157 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/503 variables, 38/195 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/503 variables, 0/195 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (OVERLAPS) 17/520 variables, 11/206 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/520 variables, 2/208 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 12 (INCLUDED_ONLY) 0/520 variables, 0/208 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 13 (OVERLAPS) 2/522 variables, 2/210 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 14 (INCLUDED_ONLY) 0/522 variables, 0/210 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 15 (OVERLAPS) 0/522 variables, 0/210 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Real declared 522/522 variables, and 210 constraints, problems are : Problem set: 0 solved, 1 unsolved in 186 ms.
Refiners :[Positive P Invariants (semi-flows): 7/7 constraints, State Equation: 147/147 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) 0/2 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 1 (OVERLAPS) 49/51 variables, 2/2 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/51 variables, 0/2 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (OVERLAPS) 286/337 variables, 51/53 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/337 variables, 18/71 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/337 variables, 0/71 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (OVERLAPS) 166/503 variables, 83/154 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/503 variables, 3/157 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/503 variables, 38/195 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/503 variables, 1/196 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/503 variables, 0/196 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 11 (OVERLAPS) 17/520 variables, 11/207 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 12 (INCLUDED_ONLY) 0/520 variables, 2/209 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 13 (INCLUDED_ONLY) 0/520 variables, 0/209 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 14 (OVERLAPS) 2/522 variables, 2/211 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 15 (INCLUDED_ONLY) 0/522 variables, 0/211 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 16 (OVERLAPS) 0/522 variables, 0/211 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Int declared 522/522 variables, and 211 constraints, problems are : Problem set: 0 solved, 1 unsolved in 420 ms.
Refiners :[Positive P Invariants (semi-flows): 7/7 constraints, State Equation: 147/147 constraints, ReadFeed: 56/56 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 617ms problems are : Problem set: 0 solved, 1 unsolved
Parikh walk visited 0 properties in 0 ms.
Support contains 2 out of 147 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 147/147 places, 412/412 transitions.
Applied a total of 0 rules in 8 ms. Remains 147 /147 variables (removed 0) and now considering 412/412 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 9 ms. Remains : 147/147 places, 412/412 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 147/147 places, 412/412 transitions.
Applied a total of 0 rules in 8 ms. Remains 147 /147 variables (removed 0) and now considering 412/412 (removed 0) transitions.
[2025-06-02 13:17:33] [INFO ] Flow matrix only has 375 transitions (discarded 37 similar events)
[2025-06-02 13:17:33] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-02 13:17:33] [INFO ] Implicit Places using invariants in 242 ms returned []
[2025-06-02 13:17:33] [INFO ] Flow matrix only has 375 transitions (discarded 37 similar events)
[2025-06-02 13:17:33] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-02 13:17:34] [INFO ] State equation strengthened by 56 read => feed constraints.
[2025-06-02 13:17:34] [INFO ] Implicit Places using invariants and state equation in 635 ms returned []
Implicit Place search using SMT with State Equation took 886 ms to find 0 implicit places.
Starting Z3 with timeout 200.0 s and query timeout 20000.0 ms
[2025-06-02 13:17:34] [INFO ] Redundant transitions in 6 ms returned []
Running 406 sub problems to find dead transitions.
[2025-06-02 13:17:34] [INFO ] Flow matrix only has 375 transitions (discarded 37 similar events)
[2025-06-02 13:17:34] [INFO ] Invariant cache hit.
[2025-06-02 13:17:34] [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) 0/147 variables, 7/7 constraints. Problems are: Problem set: 0 solved, 406 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 13:17:37] [INFO ] Deduced a trap composed of 50 places in 243 ms of which 35 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 13:17:37] [INFO ] Deduced a trap composed of 32 places in 235 ms of which 29 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 13:17:38] [INFO ] Deduced a trap composed of 23 places in 208 ms of which 23 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 13:17:38] [INFO ] Deduced a trap composed of 17 places in 213 ms of which 18 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 13:17:39] [INFO ] Deduced a trap composed of 25 places in 220 ms of which 20 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 13:17:39] [INFO ] Deduced a trap composed of 32 places in 66 ms of which 5 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 13:17:39] [INFO ] Deduced a trap composed of 32 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 13:17:40] [INFO ] Deduced a trap composed of 17 places in 207 ms of which 17 ms to minimize.
At refinement iteration 1 (INCLUDED_ONLY) 0/147 variables, 8/15 constraints. Problems are: Problem set: 0 solved, 406 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 13:17:42] [INFO ] Deduced a trap composed of 38 places in 66 ms of which 4 ms to minimize.
At refinement iteration 2 (INCLUDED_ONLY) 0/147 variables, 1/16 constraints. Problems are: Problem set: 0 solved, 406 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/147 variables, 0/16 constraints. Problems are: Problem set: 0 solved, 406 unsolved
At refinement iteration 4 (OVERLAPS) 375/522 variables, 147/163 constraints. Problems are: Problem set: 0 solved, 406 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/522 variables, 56/219 constraints. Problems are: Problem set: 0 solved, 406 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 13:17:56] [INFO ] Deduced a trap composed of 31 places in 79 ms of which 6 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 13:17:56] [INFO ] Deduced a trap composed of 31 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 13:17:57] [INFO ] Deduced a trap composed of 31 places in 66 ms of which 5 ms to minimize.
At refinement iteration 6 (INCLUDED_ONLY) 0/522 variables, 3/222 constraints. Problems are: Problem set: 0 solved, 406 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Real declared 522/522 variables, and 222 constraints, problems are : Problem set: 0 solved, 406 unsolved in 30020 ms.
Refiners :[Positive P Invariants (semi-flows): 7/7 constraints, State Equation: 147/147 constraints, ReadFeed: 56/56 constraints, PredecessorRefiner: 406/406 constraints, Known Traps: 12/12 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 406 unsolved
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/147 variables, 7/7 constraints. Problems are: Problem set: 0 solved, 406 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/147 variables, 12/19 constraints. Problems are: Problem set: 0 solved, 406 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/147 variables, 0/19 constraints. Problems are: Problem set: 0 solved, 406 unsolved
At refinement iteration 3 (OVERLAPS) 375/522 variables, 147/166 constraints. Problems are: Problem set: 0 solved, 406 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/522 variables, 56/222 constraints. Problems are: Problem set: 0 solved, 406 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/522 variables, 406/628 constraints. Problems are: Problem set: 0 solved, 406 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 522/522 variables, and 628 constraints, problems are : Problem set: 0 solved, 406 unsolved in 30022 ms.
Refiners :[Positive P Invariants (semi-flows): 7/7 constraints, State Equation: 147/147 constraints, ReadFeed: 56/56 constraints, PredecessorRefiner: 406/406 constraints, Known Traps: 12/12 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 60287ms problems are : Problem set: 0 solved, 406 unsolved
Search for dead transitions found 0 dead transitions in 60289ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 61197 ms. Remains : 147/147 places, 412/412 transitions.
Attempting over-approximation, by ignoring read arcs.
Graph (trivial) has 135 edges and 147 vertex of which 29 / 147 are part of one of the 4 SCC in 1 ms
Free SCC test removed 25 places
Drop transitions (Empty/Sink Transition effects.) removed 123 transitions
Ensure Unique test removed 21 transitions
Reduce isomorphic transitions removed 144 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 121 transition count 267
Drop transitions (Redundant composition of simpler transitions.) removed 9 transitions
Redundant transition composition rules discarded 9 transitions
Iterating global reduction 0 with 9 rules applied. Total rules applied 12 place count 121 transition count 258
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 14 place count 120 transition count 257
Drop transitions (Redundant composition of simpler transitions.) removed 1 transitions
Redundant transition composition rules discarded 1 transitions
Iterating global reduction 0 with 1 rules applied. Total rules applied 15 place count 120 transition count 256
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 17 place count 119 transition count 255
Free-agglomeration rule applied 9 times with reduction of 6 identical transitions.
Iterating global reduction 0 with 9 rules applied. Total rules applied 26 place count 119 transition count 240
Reduce places removed 9 places and 0 transitions.
Ensure Unique test removed 3 transitions
Reduce isomorphic transitions removed 3 transitions.
Iterating post reduction 0 with 12 rules applied. Total rules applied 38 place count 110 transition count 237
Partial Free-agglomeration rule applied 6 times.
Drop transitions (Partial Free agglomeration) removed 6 transitions
Iterating global reduction 1 with 6 rules applied. Total rules applied 44 place count 110 transition count 237
Applied a total of 44 rules in 32 ms. Remains 110 /147 variables (removed 37) and now considering 237/412 (removed 175) transitions.
Running SMT prover for 1 properties.
[2025-06-02 13:18:34] [INFO ] Flow matrix only has 235 transitions (discarded 2 similar events)
// Phase 1: matrix 235 rows 110 cols
[2025-06-02 13:18:34] [INFO ] Computed 7 invariants in 1 ms
Starting Z3 with timeout 450.0 s and query timeout 45000.0 ms
[2025-06-02 13:18:34] [INFO ] After 68ms 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 13:18:35] [INFO ] [Nat]Absence check using 7 positive place invariants in 5 ms returned sat
[2025-06-02 13:18:35] [INFO ] After 137ms SMT Verify possible using state equation in natural domain returned unsat :0 sat :1
TRAPS : Iteration 0
[2025-06-02 13:18:35] [INFO ] After 165ms SMT Verify possible using trap constraints in natural domain returned unsat :0 sat :1
[2025-06-02 13:18:35] [INFO ] After 273ms SMT Verify possible using all constraints in natural domain returned unsat :0 sat :1
Over-approximation ignoring read arcs solved 0 properties in 381 ms.
Knowledge obtained : [(AND p1 p0), (X (X (AND p1 p0))), (X (X p1)), (X (X p0))]
False Knowledge obtained : [(F (NOT (AND p0 p1))), (F (NOT p1))]
Knowledge based reduction with 4 factoid took 200 ms. Reduced automaton from 6 states, 10 edges and 2 AP (stutter sensitive) to 6 states, 10 edges and 2 AP (stutter sensitive).
Stuttering acceptance computed with spot in 265 ms :[true, (NOT p1), (NOT p0), (AND (NOT p1) (NOT p0)), (AND (NOT p1) (NOT p0)), (AND (NOT p1) (NOT p0))]
Stuttering acceptance computed with spot in 264 ms :[true, (NOT p1), (NOT p0), (AND (NOT p1) (NOT p0)), (AND (NOT p1) (NOT p0)), (AND (NOT p1) (NOT p0))]
Stuttering acceptance computed with spot in 262 ms :[true, (NOT p1), (NOT p0), (AND (NOT p1) (NOT p0)), (AND (NOT p1) (NOT p0)), (AND (NOT p1) (NOT p0))]
Product exploration explored 100000 steps with 4 reset in 143 ms.
Product exploration explored 100000 steps with 9 reset in 166 ms.
Applying partial POR strategy [true, true, true, false, false, false]
Stuttering acceptance computed with spot in 209 ms :[true, (NOT p1), (NOT p0), (AND (NOT p1) (NOT p0)), (AND (NOT p1) (NOT p0)), (AND (NOT p1) (NOT p0))]
Support contains 4 out of 153 places. Attempting structural reductions.
Starting structural reductions in SI_LTL mode, iteration 0 : 153/153 places, 427/427 transitions.
Drop transitions (Redundant composition of simpler transitions.) removed 3 transitions
Redundant transition composition rules discarded 3 transitions
Iterating global reduction 0 with 3 rules applied. Total rules applied 3 place count 153 transition count 424
Applied a total of 3 rules in 10 ms. Remains 153 /153 variables (removed 0) and now considering 424/427 (removed 3) transitions.
Starting Z3 with timeout 200.0 s and query timeout 20000.0 ms
[2025-06-02 13:18:36] [INFO ] Redundant transitions in 4 ms returned []
Running 417 sub problems to find dead transitions.
[2025-06-02 13:18:36] [INFO ] Flow matrix only has 385 transitions (discarded 39 similar events)
// Phase 1: matrix 385 rows 153 cols
[2025-06-02 13:18:36] [INFO ] Computed 7 invariants in 1 ms
[2025-06-02 13:18:36] [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 13:18:40] [INFO ] Deduced a trap composed of 53 places in 238 ms of which 22 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 13:18:40] [INFO ] Deduced a trap composed of 23 places in 235 ms of which 29 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 13:18:40] [INFO ] Deduced a trap composed of 17 places in 211 ms of which 19 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 13:18:41] [INFO ] Deduced a trap composed of 25 places in 267 ms of which 27 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 13:18:41] [INFO ] Deduced a trap composed of 34 places in 66 ms of which 5 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 13:18:41] [INFO ] Deduced a trap composed of 34 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 13:18:42] [INFO ] Deduced a trap composed of 34 places in 59 ms of which 5 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 13:18:59] [INFO ] Deduced a trap composed of 33 places in 66 ms of which 5 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 13:18:59] [INFO ] Deduced a trap composed of 33 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 13:18:59] [INFO ] Deduced a trap composed of 33 places in 60 ms of which 5 ms to minimize.
At refinement iteration 5 (INCLUDED_ONLY) 0/537 variables, 3/226 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 13:19:03] [INFO ] Deduced a trap composed of 17 places in 224 ms of which 22 ms to minimize.
At refinement iteration 6 (INCLUDED_ONLY) 0/537 variables, 1/227 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 227 constraints, problems are : Problem set: 0 solved, 417 unsolved in 30029 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]
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, 11/18 constraints. Problems are: Problem set: 0 solved, 417 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/153 variables, 0/18 constraints. Problems are: Problem set: 0 solved, 417 unsolved
At refinement iteration 3 (OVERLAPS) 384/537 variables, 153/171 constraints. Problems are: Problem set: 0 solved, 417 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/537 variables, 56/227 constraints. Problems are: Problem set: 0 solved, 417 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/537 variables, 417/644 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 13:19:31] [INFO ] Deduced a trap composed of 56 places in 168 ms of which 23 ms to minimize.
At refinement iteration 6 (INCLUDED_ONLY) 0/537 variables, 1/645 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 645 constraints, problems are : Problem set: 0 solved, 417 unsolved in 30015 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: 12/12 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 60186ms problems are : Problem set: 0 solved, 417 unsolved
Search for dead transitions found 0 dead transitions in 60188ms
Starting structural reductions in SI_LTL mode, iteration 1 : 153/153 places, 424/427 transitions.
Finished structural reductions in SI_LTL mode , in 1 iterations and 60208 ms. Remains : 153/153 places, 424/427 transitions.
Built C files in :
/tmp/ltsmin1257814440009804164
[2025-06-02 13:19:37] [INFO ] Built C files in 6ms conformant to PINS (ltsmin variant)in folder :/tmp/ltsmin1257814440009804164
Running compilation step : cd /tmp/ltsmin1257814440009804164;'/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 1181 ms.
Running link step : cd /tmp/ltsmin1257814440009804164;'gcc' '-shared' '-o' 'gal.so' 'model.o'
Link finished in 55 ms.
Running LTSmin : cd /tmp/ltsmin1257814440009804164;'/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/stateBased12270379631675385237.hoa' '--buchi-type=spotba'
WARNING : LTS min runner thread was asked to interrupt. Dying gracefully.
Support contains 4 out of 153 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 153/153 places, 427/427 transitions.
Applied a total of 0 rules in 1 ms. Remains 153 /153 variables (removed 0) and now considering 427/427 (removed 0) transitions.
[2025-06-02 13:19:52] [INFO ] Flow matrix only has 388 transitions (discarded 39 similar events)
// Phase 1: matrix 388 rows 153 cols
[2025-06-02 13:19:52] [INFO ] Computed 7 invariants in 2 ms
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-02 13:19:52] [INFO ] Implicit Places using invariants in 152 ms returned []
[2025-06-02 13:19:52] [INFO ] Flow matrix only has 388 transitions (discarded 39 similar events)
[2025-06-02 13:19:52] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-02 13:19:52] [INFO ] State equation strengthened by 56 read => feed constraints.
[2025-06-02 13:19:52] [INFO ] Implicit Places using invariants and state equation in 460 ms returned []
Implicit Place search using SMT with State Equation took 615 ms to find 0 implicit places.
Running 420 sub problems to find dead transitions.
[2025-06-02 13:19:52] [INFO ] Flow matrix only has 388 transitions (discarded 39 similar events)
[2025-06-02 13:19:52] [INFO ] Invariant cache hit.
[2025-06-02 13:19:52] [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, 420 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 13:19:56] [INFO ] Deduced a trap composed of 53 places in 230 ms of which 22 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 13:19:56] [INFO ] Deduced a trap composed of 23 places in 165 ms of which 16 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 13:19:56] [INFO ] Deduced a trap composed of 17 places in 215 ms of which 18 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 13:19:57] [INFO ] Deduced a trap composed of 25 places in 233 ms of which 28 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 13:19:57] [INFO ] Deduced a trap composed of 34 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 13:19:57] [INFO ] Deduced a trap composed of 34 places in 62 ms of which 4 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 13:19:58] [INFO ] Deduced a trap composed of 34 places in 66 ms of which 5 ms to minimize.
At refinement iteration 1 (INCLUDED_ONLY) 0/153 variables, 7/14 constraints. Problems are: Problem set: 0 solved, 420 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/153 variables, 0/14 constraints. Problems are: Problem set: 0 solved, 420 unsolved
At refinement iteration 3 (OVERLAPS) 387/540 variables, 153/167 constraints. Problems are: Problem set: 0 solved, 420 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/540 variables, 56/223 constraints. Problems are: Problem set: 0 solved, 420 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 13:20:13] [INFO ] Deduced a trap composed of 17 places in 222 ms of which 23 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 13:20:16] [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 13:20:16] [INFO ] Deduced a trap composed of 33 places in 64 ms of which 4 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 13:20:16] [INFO ] Deduced a trap composed of 33 places in 61 ms of which 5 ms to minimize.
At refinement iteration 5 (INCLUDED_ONLY) 0/540 variables, 4/227 constraints. Problems are: Problem set: 0 solved, 420 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 13:20:19] [INFO ] Deduced a trap composed of 17 places in 169 ms of which 17 ms to minimize.
Solver is answering 'unknown', stopping.
After SMT solving in domain Real declared 540/541 variables, and 228 constraints, problems are : Problem set: 0 solved, 420 unsolved in 30020 ms.
Refiners :[Positive P Invariants (semi-flows): 7/7 constraints, State Equation: 153/153 constraints, ReadFeed: 56/56 constraints, PredecessorRefiner: 420/420 constraints, Known Traps: 12/12 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 420 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, 420 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/153 variables, 12/19 constraints. Problems are: Problem set: 0 solved, 420 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/153 variables, 0/19 constraints. Problems are: Problem set: 0 solved, 420 unsolved
At refinement iteration 3 (OVERLAPS) 387/540 variables, 153/172 constraints. Problems are: Problem set: 0 solved, 420 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/540 variables, 56/228 constraints. Problems are: Problem set: 0 solved, 420 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/540 variables, 420/648 constraints. Problems are: Problem set: 0 solved, 420 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 540/541 variables, and 648 constraints, problems are : Problem set: 0 solved, 420 unsolved in 30019 ms.
Refiners :[Positive P Invariants (semi-flows): 7/7 constraints, State Equation: 153/153 constraints, ReadFeed: 56/56 constraints, PredecessorRefiner: 420/420 constraints, Known Traps: 12/12 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 60178ms problems are : Problem set: 0 solved, 420 unsolved
Search for dead transitions found 0 dead transitions in 60179ms
Finished structural reductions in LTL mode , in 1 iterations and 60798 ms. Remains : 153/153 places, 427/427 transitions.
Built C files in :
/tmp/ltsmin1764030809466995500
[2025-06-02 13:20:53] [INFO ] Built C files in 9ms conformant to PINS (ltsmin variant)in folder :/tmp/ltsmin1764030809466995500
Running compilation step : cd /tmp/ltsmin1764030809466995500;'/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 1212 ms.
Running link step : cd /tmp/ltsmin1764030809466995500;'gcc' '-shared' '-o' 'gal.so' 'model.o'
Link finished in 40 ms.
Running LTSmin : cd /tmp/ltsmin1764030809466995500;'/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/stateBased13584715782392965913.hoa' '--buchi-type=spotba'
WARNING : LTS min runner thread was asked to interrupt. Dying gracefully.
[2025-06-02 13:21:08] [INFO ] Flatten gal took : 26 ms
[2025-06-02 13:21:08] [INFO ] Flatten gal took : 14 ms
[2025-06-02 13:21:08] [INFO ] Time to serialize gal into /tmp/LTL12848661638062751537.gal : 3 ms
[2025-06-02 13:21:08] [INFO ] Time to serialize properties into /tmp/LTL10580370624403868558.prop : 1 ms
Invoking ITS tools like this :cd /home/mcc/execution;'/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202505121319/bin/its-ltl-linux64' '--gc-threshold' '2000000' '-i' '/tmp/LTL12848661638062751537.gal' '-t' 'CGAL' '-hoa' '/tmp/aut9613577360196881279.hoa' '-atoms' '/tmp/LTL10580370624403868558.prop' '-c' '-stutter-deadlock' '--gen-order' 'FOLLOW'

its-ltl command run as :

/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202505121319/bin/its-ltl-linux64 --gc-threshold 2000000 -i /tmp/L...319
Loading property file /tmp/LTL10580370624403868558.prop.
Loaded 2 atomic propositions.
Checking formula 0 provided in automaton : /tmp/aut9613577360196881279.hoa
Detected timeout of ITS tools.
[2025-06-02 13:21:23] [INFO ] Flatten gal took : 13 ms
[2025-06-02 13:21:23] [INFO ] Flatten gal took : 12 ms
[2025-06-02 13:21:23] [INFO ] Time to serialize gal into /tmp/LTL15618738338282653372.gal : 4 ms
[2025-06-02 13:21:23] [INFO ] Time to serialize properties into /tmp/LTL7516610181290303147.ltl : 0 ms
Invoking ITS tools like this :cd /home/mcc/execution;'/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202505121319/bin/its-ltl-linux64' '--gc-threshold' '2000000' '-i' '/tmp/LTL15618738338282653372.gal' '-t' 'CGAL' '-LTL' '/tmp/LTL7516610181290303147.ltl' '-c' '-stutter-deadlock' '--gen-order' 'FOLLOW'

its-ltl command run as :

/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202505121319/bin/its-ltl-linux64 --gc-threshold 2000000 -i /tmp/L...276
Read 1 LTL properties
Checking formula 0 : !((X((G("((p2==0)||(p73==0))"))||(X(G("((p7==0)||(p91==0))"))))))
Formula 0 simplified : X(F!"((p2==0)||(p73==0))" & XF!"((p7==0)||(p91==0))")
Detected timeout of ITS tools.
[2025-06-02 13:21:38] [INFO ] Flatten gal took : 12 ms
[2025-06-02 13:21:38] [INFO ] Applying decomposition
[2025-06-02 13:21:38] [INFO ] Flatten gal took : 12 ms
Converted graph to binary with : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.louvain.binaries_1.0.0.202505121319/bin/convert-linux64' '-i' '/tmp/graph526336013389339726.txt' '-o' '/tmp/graph526336013389339726.bin' '-w' '/tmp/graph526336013389339726.weights'
Built communities with : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.louvain.binaries_1.0.0.202505121319/bin/louvain-linux64' '/tmp/graph526336013389339726.bin' '-l' '-1' '-v' '-w' '/tmp/graph526336013389339726.weights' '-q' '0' '-e' '0.001'
[2025-06-02 13:21:38] [INFO ] Decomposing Gal with order
[2025-06-02 13:21:38] [INFO ] Rewriting arrays to variables to allow decomposition.
[2025-06-02 13:21:38] [INFO ] Removed a total of 632 redundant transitions.
[2025-06-02 13:21:38] [INFO ] Flatten gal took : 40 ms
[2025-06-02 13:21:38] [INFO ] Fuse similar labels procedure discarded/fused a total of 110 labels/synchronizations in 12 ms.
[2025-06-02 13:21:38] [INFO ] Time to serialize gal into /tmp/LTL2037394989499730908.gal : 4 ms
[2025-06-02 13:21:38] [INFO ] Time to serialize properties into /tmp/LTL14329027450167779996.ltl : 0 ms
Invoking ITS tools like this :cd /home/mcc/execution;'/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202505121319/bin/its-ltl-linux64' '--gc-threshold' '2000000' '-i' '/tmp/LTL2037394989499730908.gal' '-t' 'CGAL' '-LTL' '/tmp/LTL14329027450167779996.ltl' '-c' '-stutter-deadlock'

its-ltl command run as :

/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202505121319/bin/its-ltl-linux64 --gc-threshold 2000000 -i /tmp/L...255
Read 1 LTL properties
Checking formula 0 : !((X((G("((i0.i0.u0.p2==0)||(i5.u23.p73==0))"))||(X(G("((i1.u2.p7==0)||(i6.u25.p91==0))"))))))
Formula 0 simplified : X(F!"((i0.i0.u0.p2==0)||(i5.u23.p73==0))" & XF!"((i1.u2.p7==0)||(i6.u25.p91==0))")
Detected timeout of ITS tools.
Treatment of property FireWire-PT-12-LTLFireability-07 finished in 396540 ms.
[2025-06-02 13:21:53] [INFO ] Flatten gal took : 12 ms
Using solver Z3 to compute partial order matrices.
Built C files in :
/tmp/ltsmin1130639841074327700
[2025-06-02 13:21:53] [INFO ] Computing symmetric may disable matrix : 428 transitions.
[2025-06-02 13:21:53] [INFO ] Computation of Complete disable matrix. took 1 ms. Total solver calls (SAT/UNSAT): 0(0/0)
[2025-06-02 13:21:53] [INFO ] Computing symmetric may enable matrix : 428 transitions.
[2025-06-02 13:21:53] [INFO ] Computation of Complete enable matrix. took 1 ms. Total solver calls (SAT/UNSAT): 0(0/0)
[2025-06-02 13:21:53] [INFO ] Applying decomposition
[2025-06-02 13:21:53] [INFO ] Flatten gal took : 12 ms
[2025-06-02 13:21:53] [INFO ] Computing Do-Not-Accords matrix : 428 transitions.
[2025-06-02 13:21:53] [INFO ] Computation of Completed DNA matrix. took 5 ms. Total solver calls (SAT/UNSAT): 0(0/0)
[2025-06-02 13:21:53] [INFO ] Built C files in 45ms conformant to PINS (ltsmin variant)in folder :/tmp/ltsmin1130639841074327700
Running compilation step : cd /tmp/ltsmin1130639841074327700;'/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.ltsmin.binaries_1.0.0.202505121319/bin/limit_time.pl' '360' 'gcc' '-c' '-I/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.ltsmin.binaries_1.0.0.202505121319/bin/include/' '-I.' '-std=c99' '-fPIC' '-O0' 'model.c'
Converted graph to binary with : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.louvain.binaries_1.0.0.202505121319/bin/convert-linux64' '-i' '/tmp/graph9350593721805746291.txt' '-o' '/tmp/graph9350593721805746291.bin' '-w' '/tmp/graph9350593721805746291.weights'
Built communities with : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.louvain.binaries_1.0.0.202505121319/bin/louvain-linux64' '/tmp/graph9350593721805746291.bin' '-l' '-1' '-v' '-w' '/tmp/graph9350593721805746291.weights' '-q' '0' '-e' '0.001'
[2025-06-02 13:21:53] [INFO ] Decomposing Gal with order
[2025-06-02 13:21:53] [INFO ] Rewriting arrays to variables to allow decomposition.
[2025-06-02 13:21:53] [INFO ] Removed a total of 678 redundant transitions.
[2025-06-02 13:21:53] [INFO ] Flatten gal took : 28 ms
[2025-06-02 13:21:53] [INFO ] Fuse similar labels procedure discarded/fused a total of 130 labels/synchronizations in 17 ms.
[2025-06-02 13:21:53] [INFO ] Time to serialize gal into /tmp/LTLFireability17727617049033667576.gal : 5 ms
[2025-06-02 13:21:53] [INFO ] Time to serialize properties into /tmp/LTLFireability12755285253525587043.ltl : 2 ms
Invoking ITS tools like this :cd /home/mcc/execution;'/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202505121319/bin/its-ltl-linux64' '--gc-threshold' '2000000' '-i' '/tmp/LTLFireability17727617049033667576.gal' '-t' 'CGAL' '-LTL' '/tmp/LTLFireability12755285253525587043.ltl' '-c' '-stutter-deadlock'

its-ltl command run as :

/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202505121319/bin/its-ltl-linux64 --gc-threshold 2000000 -i /tmp/L...278
Read 2 LTL properties
Checking formula 0 : !((F(G(("((i0.i1.u23.p66==1)&&(i7.i1.u41.p112==1))")U(!("(((i0.i1.u23.p66==1)&&(i7.i1.u41.p112==1))&&((i9.i1.u49.p5==1)&&(i4.u14.p39==...166
Formula 0 simplified : GF(!"((i0.i1.u23.p66==1)&&(i7.i1.u41.p112==1))" R "(((i0.i1.u23.p66==1)&&(i7.i1.u41.p112==1))&&((i9.i1.u49.p5==1)&&(i4.u14.p39==1)))...157
Compilation finished in 1608 ms.
Running link step : cd /tmp/ltsmin1130639841074327700;'gcc' '-shared' '-o' 'gal.so' 'model.o'
Link finished in 40 ms.
Running LTSmin : cd /tmp/ltsmin1130639841074327700;'/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.ltsmin.binaries_1.0.0.202505121319/bin/pins2lts-mc-linux64' './gal.so' '--threads=8' '-p' '--pins-guards' '--when' '--ltl' '<>([](((LTLAPp0==true) U !(LTLAPp1==true))))' '--buchi-type=spotba'
Reverse transition relation is NOT exact ! Due to transitions t57, t58, t61, t62, t65, t66, t80, t91, t105, t107, t147, t156, t159, t161, t163, t164, t165,...1184
Computing Next relation with stutter on 2.75225e+06 deadlock states
LTSmin run took 812078 ms.
FORMULA FireWire-PT-12-LTLFireability-01 FALSE TECHNIQUES PARTIAL_ORDER EXPLICIT LTSMIN SAT_SMT
Running LTSmin : cd /tmp/ltsmin1130639841074327700;'/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' '--ltl' 'X(([]((LTLAPp2==true))||X([]((LTLAPp3==true)))))' '--buchi-type=spotba'
LTSmin run took 777676 ms.
FORMULA FireWire-PT-12-LTLFireability-07 FALSE TECHNIQUES EXPLICIT LTSMIN SAT_SMT
ITS tools runner thread asked to quit. Dying gracefully.
Total runtime 2950078 ms.

BK_STOP 1748872105673

--------------------
content from stderr:

+ export BINDIR=/home/mcc/BenchKit/bin//../itstools/bin//../
+ BINDIR=/home/mcc/BenchKit/bin//../itstools/bin//../
++ pwd
+ export MODEL=/home/mcc/execution
+ MODEL=/home/mcc/execution
+ [[ LTLFireability = StateSpace ]]
+ /home/mcc/BenchKit/bin//../itstools/bin//..//runeclipse.sh /home/mcc/execution LTLFireability -its -ltsmin -greatspnpath /home/mcc/BenchKit/bin//../itstools/bin//..//greatspn/ -order META -manyOrder -smt -timeout 3600
+ ulimit -s 65536
+ [[ -z '' ]]
+ export LTSMIN_MEM_SIZE=8589934592
+ LTSMIN_MEM_SIZE=8589934592
++ sed s/.jar//
++ perl -pe 's/.*\.//g'
++ ls /home/mcc/BenchKit/bin//../itstools/bin//..//itstools/plugins/fr.lip6.move.gal.application.pnmcc_1.0.0.202505121319.jar
+ VERSION=202505121319
+ echo 'Running Version 202505121319'
+ /home/mcc/BenchKit/bin//../itstools/bin//..//itstools/its-tools -pnfolder /home/mcc/execution -examination LTLFireability -its -ltsmin -greatspnpath /home/mcc/BenchKit/bin//../itstools/bin//..//greatspn/ -order META -manyOrder -smt -timeout 3600

Sequence of Actions to be Executed by the VM

This is useful if one wants to reexecute the tool in the VM from the submitted image disk.

set -x
# this is for BenchKit: configuration of major elements for the test
export BK_INPUT="FireWire-PT-12"
export BK_EXAMINATION="LTLFireability"
export BK_TOOL="itstools"
export BK_RESULT_DIR="/tmp/BK_RESULTS/OUTPUTS"
export BK_TIME_CONFINEMENT="3600"
export BK_MEMORY_CONFINEMENT="16384"
export BK_BIN_PATH="/home/mcc/BenchKit/bin/"

# this is specific to your benchmark or test

export BIN_DIR="$HOME/BenchKit/bin"

# remove the execution directoty if it exists (to avoid increse of .vmdk images)
if [ -d execution ] ; then
rm -rf execution
fi

# this is for BenchKit: explicit launching of the test
echo "====================================================================="
echo " Generated by BenchKit 2-5832"
echo " Executing tool itstools"
echo " Input is FireWire-PT-12, examination is LTLFireability"
echo " Time confinement is $BK_TIME_CONFINEMENT seconds"
echo " Memory confinement is 16384 MBytes"
echo " Number of cores is 4"
echo " Run identifier is r086-smll-174860102300332"
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 [ "LTLFireability" = "ReachabilityDeadlock" ] || [ "LTLFireability" = "UpperBounds" ] || [ "LTLFireability" = "QuasiLiveness" ] || [ "LTLFireability" = "StableMarking" ] || [ "LTLFireability" = "Liveness" ] || [ "LTLFireability" = "OneSafe" ] || [ "LTLFireability" = "StateSpace" ]; then
rm -f GenericPropertiesVerdict.xml
fi
pwd
ls -lh

echo
echo "--------------------"
echo "content from stdout:"
echo
echo "=== Data for post analysis generated by BenchKit (invocation template)"
echo
if [ "LTLFireability" = "UpperBounds" ] ; then
echo "The expected result is a vector of positive values"
echo NUM_VECTOR
elif [ "LTLFireability" != "StateSpace" ] ; then
echo "The expected result is a vector of booleans"
echo BOOL_VECTOR
else
echo "no data necessary for post analysis"
fi
echo
if [ -f "LTLFireability.xml" ] ; then # for cunf (txt files deleted;-)
echo echo "here is the order used to build the result vector(from xml file)"
for x in $(grep '' LTLFireability.xml | cut -d '>' -f 2 | cut -d '<' -f 1 | sort -u) ; do
echo "FORMULA_NAME $x"
done
elif [ "LTLFireability" = "ReachabilityDeadlock" ] || [ "LTLFireability" = "QuasiLiveness" ] || [ "LTLFireability" = "StableMarking" ] || [ "LTLFireability" = "Liveness" ] || [ "LTLFireability" = "OneSafe" ] ; then
echo "FORMULA_NAME LTLFireability"
fi
echo
echo "=== Now, execution of the tool begins"
echo
echo -n "BK_START "
date -u +%s%3N
echo
timeout -s 9 $BK_TIME_CONFINEMENT bash -c "/home/mcc/BenchKit/BenchKit_head.sh 2> STDERR ; echo ; echo -n \"BK_STOP \" ; date -u +%s%3N"
if [ $? -eq 137 ] ; then
echo
echo "BK_TIME_CONFINEMENT_REACHED"
fi
echo
echo "--------------------"
echo "content from stderr:"
echo
cat STDERR ;