About the Execution of ITS-Tools for ShieldIIPt-PT-050A
| Execution Summary | |||||
| Max Memory Used (MB) |
Time wait (ms) | CPU Usage (ms) | I/O Wait (ms) | Computed Result | Execution Status |
| 0.000 | 1348934.00 | 0.00 | 0.00 | FFFFFFFTFFFFFFFT | normal |
Execution Chart
Sorry, for this execution, no execution chart could be reported.
Trace from the execution
Formatting '/data/fkordon/mcc2025-input.r198-tall-174894533000572.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 ShieldIIPt-PT-050A, examination is LTLFireability
Time confinement is 3600 seconds
Memory confinement is 16384 MBytes
Number of cores is 4
Run identifier is r198-tall-174894533000572
=====================================================================
--------------------
preparation of the directory to be used:
/home/mcc/execution
total 688K
-rw-r--r-- 1 mcc users 6.5K May 29 14:47 CTLCardinality.txt
-rw-r--r-- 1 mcc users 67K May 29 14:47 CTLCardinality.xml
-rw-r--r-- 1 mcc users 5.1K May 29 14:47 CTLFireability.txt
-rw-r--r-- 1 mcc users 45K May 29 14:47 CTLFireability.xml
-rw-r--r-- 1 mcc users 4.2K May 29 14:32 GenericPropertiesDefinition.xml
-rw-r--r-- 1 mcc users 6.6K May 29 14:32 GenericPropertiesVerdict.xml
-rw-r--r-- 1 mcc users 3.6K 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 2.3K May 29 14:47 LTLFireability.txt
-rw-r--r-- 1 mcc users 19K May 29 14:47 LTLFireability.xml
-rw-r--r-- 1 mcc users 11K May 29 14:47 ReachabilityCardinality.txt
-rw-r--r-- 1 mcc users 108K May 29 14:47 ReachabilityCardinality.xml
-rw-r--r-- 1 mcc users 7.8K May 29 14:47 ReachabilityFireability.txt
-rw-r--r-- 1 mcc users 65K 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 3.7K 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 5 May 29 14:32 instance
-rw-r--r-- 1 mcc users 6 May 29 14:32 iscolored
-rw-r--r-- 1 mcc users 265K 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 ShieldIIPt-PT-050A-LTLFireability-00
FORMULA_NAME ShieldIIPt-PT-050A-LTLFireability-01
FORMULA_NAME ShieldIIPt-PT-050A-LTLFireability-02
FORMULA_NAME ShieldIIPt-PT-050A-LTLFireability-03
FORMULA_NAME ShieldIIPt-PT-050A-LTLFireability-04
FORMULA_NAME ShieldIIPt-PT-050A-LTLFireability-05
FORMULA_NAME ShieldIIPt-PT-050A-LTLFireability-06
FORMULA_NAME ShieldIIPt-PT-050A-LTLFireability-07
FORMULA_NAME ShieldIIPt-PT-050A-LTLFireability-08
FORMULA_NAME ShieldIIPt-PT-050A-LTLFireability-09
FORMULA_NAME ShieldIIPt-PT-050A-LTLFireability-10
FORMULA_NAME ShieldIIPt-PT-050A-LTLFireability-11
FORMULA_NAME ShieldIIPt-PT-050A-LTLFireability-12
FORMULA_NAME ShieldIIPt-PT-050A-LTLFireability-13
FORMULA_NAME ShieldIIPt-PT-050A-LTLFireability-14
FORMULA_NAME ShieldIIPt-PT-050A-LTLFireability-15
=== Now, execution of the tool begins
BK_START 1749163387812
Invoking MCC driver with
BK_TOOL=itstools
BK_EXAMINATION=LTLFireability
BK_BIN_PATH=/home/mcc/BenchKit/bin/
BK_TIME_CONFINEMENT=3600
BK_INPUT=ShieldIIPt-PT-050A
BK_MEMORY_CONFINEMENT=16384
Not applying reductions.
Model is PT
LTLFireability PT
Running Version 202505121319
[2025-06-05 22:43:08] [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]
[2025-06-05 22:43:08] [INFO ] Parsing pnml file : /home/mcc/execution/model.pnml
[2025-06-05 22:43:09] [INFO ] Load time of PNML (sax parser for PT used): 117 ms
[2025-06-05 22:43:09] [INFO ] Transformed 953 places.
[2025-06-05 22:43:09] [INFO ] Transformed 703 transitions.
[2025-06-05 22:43:09] [INFO ] Found NUPN structural information;
[2025-06-05 22:43:09] [INFO ] Parsed PT model containing 953 places and 703 transitions and 3006 arcs in 223 ms.
Parsed 16 properties from file /home/mcc/execution/LTLFireability.xml in 8 ms.
Working with output stream class java.io.PrintStream
Initial state reduction rules removed 4 formulas.
Ensure Unique test removed 1 transitions
Reduce redundant transitions removed 1 transitions.
FORMULA ShieldIIPt-PT-050A-LTLFireability-02 FALSE TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA ShieldIIPt-PT-050A-LTLFireability-04 FALSE TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA ShieldIIPt-PT-050A-LTLFireability-07 TRUE TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA ShieldIIPt-PT-050A-LTLFireability-09 FALSE TECHNIQUES TOPOLOGICAL INITIAL_STATE
Support contains 62 out of 953 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 953/953 places, 702/702 transitions.
Applied a total of 0 rules in 87 ms. Remains 953 /953 variables (removed 0) and now considering 702/702 (removed 0) transitions.
// Phase 1: matrix 702 rows 953 cols
[2025-06-05 22:43:09] [INFO ] Computed 451 invariants in 26 ms
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-05 22:43:10] [INFO ] Implicit Places using invariants in 779 ms returned []
[2025-06-05 22:43:10] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-05 22:43:11] [INFO ] Implicit Places using invariants and state equation in 906 ms returned []
Implicit Place search using SMT with State Equation took 1718 ms to find 0 implicit places.
Running 701 sub problems to find dead transitions.
[2025-06-05 22:43:11] [INFO ] Invariant cache hit.
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/952 variables, 952/952 constraints. Problems are: Problem set: 0 solved, 701 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/952 variables, 0/952 constraints. Problems are: Problem set: 0 solved, 701 unsolved
At refinement iteration 2 (OVERLAPS) 1/953 variables, 451/1403 constraints. Problems are: Problem set: 0 solved, 701 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/953 variables, 1/1404 constraints. Problems are: Problem set: 0 solved, 701 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Real declared 953/1655 variables, and 1404 constraints, problems are : Problem set: 0 solved, 701 unsolved in 30032 ms.
Refiners :[Domain max(s): 953/953 constraints, Positive P Invariants (semi-flows): 451/451 constraints, State Equation: 0/953 constraints, PredecessorRefiner: 701/701 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 701 unsolved
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/952 variables, 952/952 constraints. Problems are: Problem set: 0 solved, 701 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/952 variables, 0/952 constraints. Problems are: Problem set: 0 solved, 701 unsolved
At refinement iteration 2 (OVERLAPS) 1/953 variables, 451/1403 constraints. Problems are: Problem set: 0 solved, 701 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/953 variables, 1/1404 constraints. Problems are: Problem set: 0 solved, 701 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 953/1655 variables, and 1404 constraints, problems are : Problem set: 0 solved, 701 unsolved in 30024 ms.
Refiners :[Domain max(s): 953/953 constraints, Positive P Invariants (semi-flows): 451/451 constraints, State Equation: 0/953 constraints, PredecessorRefiner: 0/701 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 60404ms problems are : Problem set: 0 solved, 701 unsolved
Search for dead transitions found 0 dead transitions in 60500ms
Finished structural reductions in LTL mode , in 1 iterations and 62328 ms. Remains : 953/953 places, 702/702 transitions.
Support contains 62 out of 953 places after structural reductions.
[2025-06-05 22:44:12] [INFO ] Flatten gal took : 143 ms
[2025-06-05 22:44:12] [INFO ] Flatten gal took : 67 ms
[2025-06-05 22:44:12] [INFO ] Input system was already deterministic with 702 transitions.
Support contains 55 out of 953 places (down from 62) after GAL structural reductions.
Reduction of identical properties reduced properties to check from 29 to 25
RANDOM walk for 40000 steps (8 resets) in 1709 ms. (23 steps per ms) remains 19/25 properties
BEST_FIRST walk for 4004 steps (8 resets) in 57 ms. (69 steps per ms) remains 19/19 properties
BEST_FIRST walk for 4004 steps (8 resets) in 51 ms. (77 steps per ms) remains 19/19 properties
BEST_FIRST walk for 4003 steps (8 resets) in 59 ms. (66 steps per ms) remains 19/19 properties
BEST_FIRST walk for 4004 steps (8 resets) in 58 ms. (67 steps per ms) remains 19/19 properties
BEST_FIRST walk for 4004 steps (8 resets) in 48 ms. (81 steps per ms) remains 19/19 properties
BEST_FIRST walk for 4003 steps (8 resets) in 57 ms. (69 steps per ms) remains 19/19 properties
BEST_FIRST walk for 4003 steps (8 resets) in 41 ms. (95 steps per ms) remains 19/19 properties
BEST_FIRST walk for 4004 steps (8 resets) in 46 ms. (85 steps per ms) remains 19/19 properties
BEST_FIRST walk for 4004 steps (8 resets) in 36 ms. (108 steps per ms) remains 19/19 properties
BEST_FIRST walk for 4004 steps (8 resets) in 49 ms. (80 steps per ms) remains 19/19 properties
BEST_FIRST walk for 4004 steps (8 resets) in 69 ms. (57 steps per ms) remains 19/19 properties
BEST_FIRST walk for 4003 steps (8 resets) in 51 ms. (76 steps per ms) remains 19/19 properties
BEST_FIRST walk for 4004 steps (8 resets) in 50 ms. (78 steps per ms) remains 19/19 properties
BEST_FIRST walk for 4002 steps (8 resets) in 43 ms. (90 steps per ms) remains 19/19 properties
BEST_FIRST walk for 4004 steps (8 resets) in 44 ms. (88 steps per ms) remains 19/19 properties
BEST_FIRST walk for 4003 steps (8 resets) in 43 ms. (90 steps per ms) remains 19/19 properties
BEST_FIRST walk for 4004 steps (8 resets) in 53 ms. (74 steps per ms) remains 19/19 properties
BEST_FIRST walk for 4004 steps (8 resets) in 46 ms. (85 steps per ms) remains 19/19 properties
BEST_FIRST walk for 4003 steps (8 resets) in 44 ms. (88 steps per ms) remains 19/19 properties
[2025-06-05 22:44:13] [INFO ] Invariant cache hit.
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
All remaining problems are real, not stopping.
At refinement iteration 0 (INCLUDED_ONLY) 0/46 variables, 46/46 constraints. Problems are: Problem set: 0 solved, 19 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/46 variables, 0/46 constraints. Problems are: Problem set: 0 solved, 19 unsolved
At refinement iteration 2 (OVERLAPS) 59/105 variables, 47/93 constraints. Problems are: Problem set: 0 solved, 19 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/105 variables, 59/152 constraints. Problems are: Problem set: 0 solved, 19 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/105 variables, 0/152 constraints. Problems are: Problem set: 0 solved, 19 unsolved
At refinement iteration 5 (OVERLAPS) 848/953 variables, 404/556 constraints. Problems are: Problem set: 0 solved, 19 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/953 variables, 848/1404 constraints. Problems are: Problem set: 0 solved, 19 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/953 variables, 0/1404 constraints. Problems are: Problem set: 0 solved, 19 unsolved
At refinement iteration 8 (OVERLAPS) 702/1655 variables, 953/2357 constraints. Problems are: Problem set: 0 solved, 19 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/1655 variables, 0/2357 constraints. Problems are: Problem set: 0 solved, 19 unsolved
At refinement iteration 10 (OVERLAPS) 0/1655 variables, 0/2357 constraints. Problems are: Problem set: 0 solved, 19 unsolved
No progress, stopping.
After SMT solving in domain Real declared 1655/1655 variables, and 2357 constraints, problems are : Problem set: 0 solved, 19 unsolved in 1599 ms.
Refiners :[Domain max(s): 953/953 constraints, Positive P Invariants (semi-flows): 451/451 constraints, State Equation: 953/953 constraints, PredecessorRefiner: 19/19 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 19 unsolved
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/46 variables, 46/46 constraints. Problems are: Problem set: 0 solved, 19 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/46 variables, 0/46 constraints. Problems are: Problem set: 0 solved, 19 unsolved
At refinement iteration 2 (OVERLAPS) 59/105 variables, 47/93 constraints. Problems are: Problem set: 0 solved, 19 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/105 variables, 59/152 constraints. Problems are: Problem set: 0 solved, 19 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/105 variables, 0/152 constraints. Problems are: Problem set: 0 solved, 19 unsolved
At refinement iteration 5 (OVERLAPS) 848/953 variables, 404/556 constraints. Problems are: Problem set: 0 solved, 19 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/953 variables, 848/1404 constraints. Problems are: Problem set: 0 solved, 19 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/953 variables, 0/1404 constraints. Problems are: Problem set: 0 solved, 19 unsolved
At refinement iteration 8 (OVERLAPS) 702/1655 variables, 953/2357 constraints. Problems are: Problem set: 0 solved, 19 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/1655 variables, 19/2376 constraints. Problems are: Problem set: 0 solved, 19 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/1655 variables, 0/2376 constraints. Problems are: Problem set: 0 solved, 19 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 1655/1655 variables, and 2376 constraints, problems are : Problem set: 0 solved, 19 unsolved in 5016 ms.
Refiners :[Domain max(s): 953/953 constraints, Positive P Invariants (semi-flows): 451/451 constraints, State Equation: 953/953 constraints, PredecessorRefiner: 19/19 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 6642ms problems are : Problem set: 0 solved, 19 unsolved
Skipping Parikh replay, no witness traces provided.
Support contains 46 out of 953 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 953/953 places, 702/702 transitions.
Performed 1 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 0 with 1 Pre rules applied. Total rules applied 0 place count 953 transition count 701
Deduced a syphon composed of 1 places in 1 ms
Reduce places removed 1 places and 0 transitions.
Iterating global reduction 0 with 2 rules applied. Total rules applied 2 place count 952 transition count 701
Partial Free-agglomeration rule applied 91 times.
Drop transitions (Partial Free agglomeration) removed 91 transitions
Iterating global reduction 0 with 91 rules applied. Total rules applied 93 place count 952 transition count 701
Applied a total of 93 rules in 122 ms. Remains 952 /953 variables (removed 1) and now considering 701/702 (removed 1) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 122 ms. Remains : 952/953 places, 701/702 transitions.
RANDOM walk for 40000 steps (8 resets) in 1041 ms. (38 steps per ms) remains 18/19 properties
BEST_FIRST walk for 4004 steps (8 resets) in 36 ms. (108 steps per ms) remains 18/18 properties
BEST_FIRST walk for 4004 steps (8 resets) in 35 ms. (111 steps per ms) remains 18/18 properties
BEST_FIRST walk for 4004 steps (8 resets) in 43 ms. (91 steps per ms) remains 18/18 properties
BEST_FIRST walk for 4003 steps (8 resets) in 39 ms. (100 steps per ms) remains 18/18 properties
BEST_FIRST walk for 4004 steps (8 resets) in 42 ms. (93 steps per ms) remains 18/18 properties
BEST_FIRST walk for 4004 steps (8 resets) in 44 ms. (88 steps per ms) remains 18/18 properties
BEST_FIRST walk for 4003 steps (8 resets) in 40 ms. (97 steps per ms) remains 18/18 properties
BEST_FIRST walk for 4003 steps (8 resets) in 42 ms. (93 steps per ms) remains 18/18 properties
BEST_FIRST walk for 4003 steps (8 resets) in 39 ms. (100 steps per ms) remains 18/18 properties
BEST_FIRST walk for 4004 steps (8 resets) in 58 ms. (67 steps per ms) remains 18/18 properties
BEST_FIRST walk for 4004 steps (8 resets) in 35 ms. (111 steps per ms) remains 18/18 properties
BEST_FIRST walk for 4004 steps (8 resets) in 40 ms. (97 steps per ms) remains 18/18 properties
BEST_FIRST walk for 4004 steps (8 resets) in 35 ms. (111 steps per ms) remains 18/18 properties
BEST_FIRST walk for 4003 steps (8 resets) in 35 ms. (111 steps per ms) remains 18/18 properties
BEST_FIRST walk for 4004 steps (8 resets) in 37 ms. (105 steps per ms) remains 18/18 properties
BEST_FIRST walk for 4004 steps (8 resets) in 37 ms. (105 steps per ms) remains 18/18 properties
BEST_FIRST walk for 4004 steps (8 resets) in 38 ms. (102 steps per ms) remains 18/18 properties
BEST_FIRST walk for 4004 steps (8 resets) in 31 ms. (125 steps per ms) remains 18/18 properties
Interrupted probabilistic random walk after 233095 steps, run timeout after 3002 ms. (steps per millisecond=77 ) properties seen :17 out of 18
Probabilistic random walk after 233095 steps, saw 229442 distinct states, run finished after 3007 ms. (steps per millisecond=77 ) properties seen :17
// Phase 1: matrix 701 rows 952 cols
[2025-06-05 22:44:23] [INFO ] Computed 451 invariants in 31 ms
[2025-06-05 22:44:23] [INFO ] State equation strengthened by 45 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, 6/6 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/6 variables, 0/6 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (OVERLAPS) 11/17 variables, 7/13 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/17 variables, 11/24 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/17 variables, 0/24 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (OVERLAPS) 935/952 variables, 444/468 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/952 variables, 935/1403 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/952 variables, 0/1403 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (OVERLAPS) 701/1653 variables, 952/2355 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/1653 variables, 45/2400 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/1653 variables, 0/2400 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 11 (OVERLAPS) 0/1653 variables, 0/2400 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Real declared 1653/1653 variables, and 2400 constraints, problems are : Problem set: 0 solved, 1 unsolved in 457 ms.
Refiners :[Domain max(s): 952/952 constraints, Positive P Invariants (semi-flows): 451/451 constraints, State Equation: 952/952 constraints, ReadFeed: 45/45 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, 6/6 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/6 variables, 0/6 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (OVERLAPS) 11/17 variables, 7/13 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/17 variables, 11/24 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/17 variables, 0/24 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (OVERLAPS) 935/952 variables, 444/468 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/952 variables, 935/1403 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/952 variables, 0/1403 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (OVERLAPS) 701/1653 variables, 952/2355 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/1653 variables, 45/2400 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/1653 variables, 1/2401 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/1653 variables, 0/2401 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 12 (OVERLAPS) 0/1653 variables, 0/2401 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Int declared 1653/1653 variables, and 2401 constraints, problems are : Problem set: 0 solved, 1 unsolved in 896 ms.
Refiners :[Domain max(s): 952/952 constraints, Positive P Invariants (semi-flows): 451/451 constraints, State Equation: 952/952 constraints, ReadFeed: 45/45 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 1398ms problems are : Problem set: 0 solved, 1 unsolved
Parikh walk visited 0 properties in 1455 ms.
Support contains 6 out of 952 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 952/952 places, 701/701 transitions.
Partial Free-agglomeration rule applied 7 times.
Drop transitions (Partial Free agglomeration) removed 7 transitions
Iterating global reduction 0 with 7 rules applied. Total rules applied 7 place count 952 transition count 701
Applied a total of 7 rules in 87 ms. Remains 952 /952 variables (removed 0) and now considering 701/701 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 87 ms. Remains : 952/952 places, 701/701 transitions.
RANDOM walk for 40000 steps (8 resets) in 577 ms. (69 steps per ms) remains 1/1 properties
BEST_FIRST walk for 40003 steps (8 resets) in 308 ms. (129 steps per ms) remains 1/1 properties
Interrupted probabilistic random walk after 282722 steps, run timeout after 3001 ms. (steps per millisecond=94 ) properties seen :0 out of 1
Probabilistic random walk after 282722 steps, saw 273642 distinct states, run finished after 3001 ms. (steps per millisecond=94 ) properties seen :0
// Phase 1: matrix 701 rows 952 cols
[2025-06-05 22:44:29] [INFO ] Computed 451 invariants in 9 ms
[2025-06-05 22:44:29] [INFO ] State equation strengthened by 50 read => feed constraints.
Starting Z3 with timeout 75.0 s and query timeout 7500.0 ms
All remaining problems are real, not stopping.
At refinement iteration 0 (INCLUDED_ONLY) 0/6 variables, 6/6 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/6 variables, 0/6 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (OVERLAPS) 11/17 variables, 7/13 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/17 variables, 11/24 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/17 variables, 0/24 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (OVERLAPS) 935/952 variables, 444/468 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/952 variables, 935/1403 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/952 variables, 0/1403 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (OVERLAPS) 701/1653 variables, 952/2355 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/1653 variables, 50/2405 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/1653 variables, 0/2405 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 11 (OVERLAPS) 0/1653 variables, 0/2405 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Real declared 1653/1653 variables, and 2405 constraints, problems are : Problem set: 0 solved, 1 unsolved in 432 ms.
Refiners :[Domain max(s): 952/952 constraints, Positive P Invariants (semi-flows): 451/451 constraints, State Equation: 952/952 constraints, ReadFeed: 50/50 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) 0/6 variables, 6/6 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/6 variables, 0/6 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (OVERLAPS) 11/17 variables, 7/13 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/17 variables, 11/24 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/17 variables, 0/24 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (OVERLAPS) 935/952 variables, 444/468 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/952 variables, 935/1403 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/952 variables, 0/1403 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (OVERLAPS) 701/1653 variables, 952/2355 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/1653 variables, 50/2405 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/1653 variables, 1/2406 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/1653 variables, 0/2406 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 12 (OVERLAPS) 0/1653 variables, 0/2406 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Int declared 1653/1653 variables, and 2406 constraints, problems are : Problem set: 0 solved, 1 unsolved in 1048 ms.
Refiners :[Domain max(s): 952/952 constraints, Positive P Invariants (semi-flows): 451/451 constraints, State Equation: 952/952 constraints, ReadFeed: 50/50 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 1507ms problems are : Problem set: 0 solved, 1 unsolved
Finished Parikh walk after 65172 steps, including 496 resets, run visited all 1 properties in 576 ms. (steps per millisecond=113 )
Parikh walk visited 1 properties in 580 ms.
Computed a total of 1 stabilizing places and 1 stable transitions
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202505121319/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!((F(p0)&&X(X(X((F(G(p2))&&p1))))))'
Support contains 8 out of 953 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 953/953 places, 702/702 transitions.
Applied a total of 0 rules in 9 ms. Remains 953 /953 variables (removed 0) and now considering 702/702 (removed 0) transitions.
// Phase 1: matrix 702 rows 953 cols
[2025-06-05 22:44:32] [INFO ] Computed 451 invariants in 5 ms
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-05 22:44:32] [INFO ] Implicit Places using invariants in 498 ms returned []
[2025-06-05 22:44:32] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-05 22:44:33] [INFO ] Implicit Places using invariants and state equation in 873 ms returned []
Implicit Place search using SMT with State Equation took 1374 ms to find 0 implicit places.
Running 701 sub problems to find dead transitions.
[2025-06-05 22:44:33] [INFO ] Invariant cache hit.
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/952 variables, 952/952 constraints. Problems are: Problem set: 0 solved, 701 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/952 variables, 0/952 constraints. Problems are: Problem set: 0 solved, 701 unsolved
At refinement iteration 2 (OVERLAPS) 1/953 variables, 451/1403 constraints. Problems are: Problem set: 0 solved, 701 unsolved
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(s875 1.0) org.smtlib.IParser$ParserException: Unbalanced parentheses at end of input")
At refinement iteration 3 (INCLUDED_ONLY) 0/953 variables, 1/1404 constraints. Problems are: Problem set: 0 solved, 701 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Real declared 953/1655 variables, and 1404 constraints, problems are : Problem set: 0 solved, 701 unsolved in 30035 ms.
Refiners :[Domain max(s): 953/953 constraints, Positive P Invariants (semi-flows): 451/451 constraints, State Equation: 0/953 constraints, PredecessorRefiner: 701/701 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 701 unsolved
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/952 variables, 952/952 constraints. Problems are: Problem set: 0 solved, 701 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/952 variables, 0/952 constraints. Problems are: Problem set: 0 solved, 701 unsolved
At refinement iteration 2 (OVERLAPS) 1/953 variables, 451/1403 constraints. Problems are: Problem set: 0 solved, 701 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/953 variables, 1/1404 constraints. Problems are: Problem set: 0 solved, 701 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 953/1655 variables, and 1404 constraints, problems are : Problem set: 0 solved, 701 unsolved in 30021 ms.
Refiners :[Domain max(s): 953/953 constraints, Positive P Invariants (semi-flows): 451/451 constraints, State Equation: 0/953 constraints, PredecessorRefiner: 0/701 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 60285ms problems are : Problem set: 0 solved, 701 unsolved
Search for dead transitions found 0 dead transitions in 60289ms
Finished structural reductions in LTL mode , in 1 iterations and 61683 ms. Remains : 953/953 places, 702/702 transitions.
Stuttering acceptance computed with spot in 406 ms :[(OR (NOT p1) (NOT p2) (NOT p0)), (NOT p0), (OR (NOT p2) (NOT p1)), (OR (NOT p2) (NOT p1)), (OR (NOT p1) (NOT p2)), true, (NOT p2)]
Running random walk in product with property : ShieldIIPt-PT-050A-LTLFireability-00
Entered a terminal (fully accepting) state of product in 3 steps with 0 reset in 2 ms.
FORMULA ShieldIIPt-PT-050A-LTLFireability-00 FALSE TECHNIQUES STUTTER_TEST
Treatment of property ShieldIIPt-PT-050A-LTLFireability-00 finished in 62157 ms.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202505121319/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!(G(((F(p0) U X(p1)) U X((p2||G(p0))))))'
Support contains 5 out of 953 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 953/953 places, 702/702 transitions.
Applied a total of 0 rules in 14 ms. Remains 953 /953 variables (removed 0) and now considering 702/702 (removed 0) transitions.
[2025-06-05 22:45:34] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-05 22:45:34] [INFO ] Implicit Places using invariants in 499 ms returned []
[2025-06-05 22:45:34] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-05 22:45:35] [INFO ] Implicit Places using invariants and state equation in 907 ms returned []
Implicit Place search using SMT with State Equation took 1413 ms to find 0 implicit places.
Running 701 sub problems to find dead transitions.
[2025-06-05 22:45:35] [INFO ] Invariant cache hit.
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/952 variables, 952/952 constraints. Problems are: Problem set: 0 solved, 701 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/952 variables, 0/952 constraints. Problems are: Problem set: 0 solved, 701 unsolved
At refinement iteration 2 (OVERLAPS) 1/953 variables, 451/1403 constraints. Problems are: Problem set: 0 solved, 701 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/953 variables, 1/1404 constraints. Problems are: Problem set: 0 solved, 701 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Real declared 953/1655 variables, and 1404 constraints, problems are : Problem set: 0 solved, 701 unsolved in 30019 ms.
Refiners :[Domain max(s): 953/953 constraints, Positive P Invariants (semi-flows): 451/451 constraints, State Equation: 0/953 constraints, PredecessorRefiner: 701/701 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 701 unsolved
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/952 variables, 952/952 constraints. Problems are: Problem set: 0 solved, 701 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/952 variables, 0/952 constraints. Problems are: Problem set: 0 solved, 701 unsolved
At refinement iteration 2 (OVERLAPS) 1/953 variables, 451/1403 constraints. Problems are: Problem set: 0 solved, 701 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/953 variables, 1/1404 constraints. Problems are: Problem set: 0 solved, 701 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 953/1655 variables, and 1404 constraints, problems are : Problem set: 0 solved, 701 unsolved in 30017 ms.
Refiners :[Domain max(s): 953/953 constraints, Positive P Invariants (semi-flows): 451/451 constraints, State Equation: 0/953 constraints, PredecessorRefiner: 0/701 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 60215ms problems are : Problem set: 0 solved, 701 unsolved
Search for dead transitions found 0 dead transitions in 60217ms
Finished structural reductions in LTL mode , in 1 iterations and 61647 ms. Remains : 953/953 places, 702/702 transitions.
Stuttering acceptance computed with spot in 226 ms :[(AND (NOT p0) (NOT p2)), (AND (NOT p0) (NOT p1) (NOT p2)), (AND (NOT p0) (NOT p2)), (NOT p0), (AND (NOT p0) (NOT p1)), (NOT p1), (AND (NOT p0) (NOT p1))]
Running random walk in product with property : ShieldIIPt-PT-050A-LTLFireability-01
Product exploration explored 100000 steps with 40071 reset in 2390 ms.
Product exploration explored 100000 steps with 39982 reset in 2357 ms.
Computed a total of 1 stabilizing places and 1 stable transitions
Computed a total of 1 stabilizing places and 1 stable transitions
Knowledge obtained : [(AND (NOT p0) (NOT p1) p2), (X p2), (X (NOT (AND p0 (NOT p2)))), (X (NOT (AND (NOT p0) (NOT p1) (NOT p2)))), (X (NOT (AND (NOT p0) p1 (NOT p2)))), (X (NOT (AND p0 (NOT p1) (NOT p2)))), (X (NOT p0)), (X (NOT (AND (NOT p0) (NOT p2)))), (X (NOT p1)), (X (X p2)), (X (X (NOT (AND p0 (NOT p2))))), (X (X (NOT p0))), (X (X (NOT (AND (NOT p0) (NOT p1) (NOT p2))))), (X (X (NOT (AND (NOT p0) p1 (NOT p2))))), (X (X (NOT (AND p0 (NOT p1))))), (X (X (AND (NOT p0) (NOT p1)))), (X (X (NOT (AND p0 (NOT p1) (NOT p2))))), (X (X (NOT (AND (NOT p0) (NOT p2))))), (X (X (NOT p1)))]
False Knowledge obtained : []
Knowledge based reduction with 19 factoid took 115 ms. Reduced automaton from 7 states, 17 edges and 3 AP (stutter sensitive) to 7 states, 17 edges and 3 AP (stutter sensitive).
Stuttering acceptance computed with spot in 247 ms :[(AND (NOT p0) (NOT p2)), (AND (NOT p0) (NOT p2) (NOT p1)), (AND (NOT p0) (NOT p2)), (NOT p0), (AND (NOT p0) (NOT p1)), (NOT p1), (AND (NOT p0) (NOT p1))]
RANDOM walk for 40000 steps (8 resets) in 630 ms. (63 steps per ms) remains 7/10 properties
BEST_FIRST walk for 40004 steps (8 resets) in 359 ms. (111 steps per ms) remains 7/7 properties
BEST_FIRST walk for 40001 steps (8 resets) in 367 ms. (108 steps per ms) remains 7/7 properties
BEST_FIRST walk for 40003 steps (8 resets) in 248 ms. (160 steps per ms) remains 7/7 properties
BEST_FIRST walk for 40003 steps (8 resets) in 384 ms. (103 steps per ms) remains 7/7 properties
BEST_FIRST walk for 40004 steps (8 resets) in 302 ms. (132 steps per ms) remains 7/7 properties
BEST_FIRST walk for 40004 steps (8 resets) in 241 ms. (165 steps per ms) remains 7/7 properties
BEST_FIRST walk for 40003 steps (8 resets) in 234 ms. (170 steps per ms) remains 7/7 properties
[2025-06-05 22:46:42] [INFO ] Invariant cache hit.
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
All remaining problems are real, not stopping.
At refinement iteration 0 (INCLUDED_ONLY) 0/5 variables, 5/5 constraints. Problems are: Problem set: 0 solved, 7 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/5 variables, 0/5 constraints. Problems are: Problem set: 0 solved, 7 unsolved
At refinement iteration 2 (OVERLAPS) 8/13 variables, 5/10 constraints. Problems are: Problem set: 0 solved, 7 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/13 variables, 8/18 constraints. Problems are: Problem set: 0 solved, 7 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/13 variables, 0/18 constraints. Problems are: Problem set: 0 solved, 7 unsolved
At refinement iteration 5 (OVERLAPS) 940/953 variables, 446/464 constraints. Problems are: Problem set: 0 solved, 7 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/953 variables, 940/1404 constraints. Problems are: Problem set: 0 solved, 7 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/953 variables, 0/1404 constraints. Problems are: Problem set: 0 solved, 7 unsolved
At refinement iteration 8 (OVERLAPS) 702/1655 variables, 953/2357 constraints. Problems are: Problem set: 0 solved, 7 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/1655 variables, 0/2357 constraints. Problems are: Problem set: 0 solved, 7 unsolved
At refinement iteration 10 (OVERLAPS) 0/1655 variables, 0/2357 constraints. Problems are: Problem set: 0 solved, 7 unsolved
No progress, stopping.
After SMT solving in domain Real declared 1655/1655 variables, and 2357 constraints, problems are : Problem set: 0 solved, 7 unsolved in 794 ms.
Refiners :[Domain max(s): 953/953 constraints, Positive P Invariants (semi-flows): 451/451 constraints, State Equation: 953/953 constraints, PredecessorRefiner: 7/7 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 7 unsolved
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/5 variables, 5/5 constraints. Problems are: Problem set: 0 solved, 7 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/5 variables, 0/5 constraints. Problems are: Problem set: 0 solved, 7 unsolved
At refinement iteration 2 (OVERLAPS) 8/13 variables, 5/10 constraints. Problems are: Problem set: 0 solved, 7 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/13 variables, 8/18 constraints. Problems are: Problem set: 0 solved, 7 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/13 variables, 0/18 constraints. Problems are: Problem set: 0 solved, 7 unsolved
At refinement iteration 5 (OVERLAPS) 940/953 variables, 446/464 constraints. Problems are: Problem set: 0 solved, 7 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/953 variables, 940/1404 constraints. Problems are: Problem set: 0 solved, 7 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/953 variables, 0/1404 constraints. Problems are: Problem set: 0 solved, 7 unsolved
At refinement iteration 8 (OVERLAPS) 702/1655 variables, 953/2357 constraints. Problems are: Problem set: 0 solved, 7 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/1655 variables, 7/2364 constraints. Problems are: Problem set: 0 solved, 7 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/1655 variables, 0/2364 constraints. Problems are: Problem set: 0 solved, 7 unsolved
At refinement iteration 11 (OVERLAPS) 0/1655 variables, 0/2364 constraints. Problems are: Problem set: 0 solved, 7 unsolved
No progress, stopping.
After SMT solving in domain Int declared 1655/1655 variables, and 2364 constraints, problems are : Problem set: 0 solved, 7 unsolved in 2391 ms.
Refiners :[Domain max(s): 953/953 constraints, Positive P Invariants (semi-flows): 451/451 constraints, State Equation: 953/953 constraints, PredecessorRefiner: 7/7 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 3196ms problems are : Problem set: 0 solved, 7 unsolved
Fused 7 Parikh solutions to 4 different solutions.
Parikh walk visited 0 properties in 12616 ms.
Support contains 5 out of 953 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 953/953 places, 702/702 transitions.
Performed 1 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 0 with 1 Pre rules applied. Total rules applied 0 place count 953 transition count 701
Deduced a syphon composed of 1 places in 1 ms
Reduce places removed 1 places and 0 transitions.
Iterating global reduction 0 with 2 rules applied. Total rules applied 2 place count 952 transition count 701
Performed 1 Post agglomeration using F-continuation condition.Transition count delta: 1
Deduced a syphon composed of 1 places in 1 ms
Reduce places removed 1 places and 0 transitions.
Iterating global reduction 0 with 2 rules applied. Total rules applied 4 place count 951 transition count 700
Partial Free-agglomeration rule applied 99 times.
Drop transitions (Partial Free agglomeration) removed 99 transitions
Iterating global reduction 0 with 99 rules applied. Total rules applied 103 place count 951 transition count 700
Applied a total of 103 rules in 63 ms. Remains 951 /953 variables (removed 2) and now considering 700/702 (removed 2) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 64 ms. Remains : 951/953 places, 700/702 transitions.
RANDOM walk for 40000 steps (8 resets) in 419 ms. (95 steps per ms) remains 2/7 properties
BEST_FIRST walk for 40004 steps (8 resets) in 239 ms. (166 steps per ms) remains 2/2 properties
BEST_FIRST walk for 40004 steps (8 resets) in 228 ms. (174 steps per ms) remains 2/2 properties
// Phase 1: matrix 700 rows 951 cols
[2025-06-05 22:46:58] [INFO ] Computed 451 invariants in 7 ms
[2025-06-05 22:46:58] [INFO ] State equation strengthened by 53 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) 0/5 variables, 5/5 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/5 variables, 0/5 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 2 (OVERLAPS) 8/13 variables, 5/10 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/13 variables, 8/18 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/13 variables, 0/18 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 5 (OVERLAPS) 938/951 variables, 446/464 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/951 variables, 938/1402 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/951 variables, 0/1402 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 8 (OVERLAPS) 700/1651 variables, 951/2353 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/1651 variables, 53/2406 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/1651 variables, 0/2406 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 11 (OVERLAPS) 0/1651 variables, 0/2406 constraints. Problems are: Problem set: 0 solved, 2 unsolved
No progress, stopping.
After SMT solving in domain Real declared 1651/1651 variables, and 2406 constraints, problems are : Problem set: 0 solved, 2 unsolved in 521 ms.
Refiners :[Domain max(s): 951/951 constraints, Positive P Invariants (semi-flows): 451/451 constraints, State Equation: 951/951 constraints, ReadFeed: 53/53 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) 0/5 variables, 5/5 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/5 variables, 0/5 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 2 (OVERLAPS) 8/13 variables, 5/10 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/13 variables, 8/18 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/13 variables, 0/18 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 5 (OVERLAPS) 938/951 variables, 446/464 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/951 variables, 938/1402 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/951 variables, 0/1402 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 8 (OVERLAPS) 700/1651 variables, 951/2353 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/1651 variables, 53/2406 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/1651 variables, 2/2408 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/1651 variables, 0/2408 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 12 (OVERLAPS) 0/1651 variables, 0/2408 constraints. Problems are: Problem set: 0 solved, 2 unsolved
No progress, stopping.
After SMT solving in domain Int declared 1651/1651 variables, and 2408 constraints, problems are : Problem set: 0 solved, 2 unsolved in 4277 ms.
Refiners :[Domain max(s): 951/951 constraints, Positive P Invariants (semi-flows): 451/451 constraints, State Equation: 951/951 constraints, ReadFeed: 53/53 constraints, PredecessorRefiner: 2/2 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 4817ms problems are : Problem set: 0 solved, 2 unsolved
Parikh walk visited 0 properties in 26693 ms.
Support contains 5 out of 951 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 951/951 places, 700/700 transitions.
Applied a total of 0 rules in 35 ms. Remains 951 /951 variables (removed 0) and now considering 700/700 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 35 ms. Remains : 951/951 places, 700/700 transitions.
RANDOM walk for 40000 steps (8 resets) in 454 ms. (87 steps per ms) remains 2/2 properties
BEST_FIRST walk for 40004 steps (8 resets) in 247 ms. (161 steps per ms) remains 2/2 properties
BEST_FIRST walk for 40004 steps (8 resets) in 235 ms. (169 steps per ms) remains 2/2 properties
Interrupted probabilistic random walk after 261176 steps, run timeout after 3002 ms. (steps per millisecond=87 ) properties seen :1 out of 2
Probabilistic random walk after 261176 steps, saw 252852 distinct states, run finished after 3002 ms. (steps per millisecond=87 ) properties seen :1
[2025-06-05 22:47:33] [INFO ] Invariant cache hit.
[2025-06-05 22:47:33] [INFO ] State equation strengthened by 53 read => feed constraints.
Starting Z3 with timeout 75.0 s and query timeout 7500.0 ms
All remaining problems are real, not stopping.
At refinement iteration 0 (INCLUDED_ONLY) 0/5 variables, 5/5 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/5 variables, 0/5 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (OVERLAPS) 8/13 variables, 5/10 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/13 variables, 8/18 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/13 variables, 0/18 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (OVERLAPS) 938/951 variables, 446/464 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/951 variables, 938/1402 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/951 variables, 0/1402 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (OVERLAPS) 700/1651 variables, 951/2353 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/1651 variables, 53/2406 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/1651 variables, 0/2406 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 11 (OVERLAPS) 0/1651 variables, 0/2406 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Real declared 1651/1651 variables, and 2406 constraints, problems are : Problem set: 0 solved, 1 unsolved in 471 ms.
Refiners :[Domain max(s): 951/951 constraints, Positive P Invariants (semi-flows): 451/451 constraints, State Equation: 951/951 constraints, ReadFeed: 53/53 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) 0/5 variables, 5/5 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/5 variables, 0/5 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (OVERLAPS) 8/13 variables, 5/10 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/13 variables, 8/18 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/13 variables, 0/18 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (OVERLAPS) 938/951 variables, 446/464 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/951 variables, 938/1402 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/951 variables, 0/1402 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (OVERLAPS) 700/1651 variables, 951/2353 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/1651 variables, 53/2406 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/1651 variables, 1/2407 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/1651 variables, 0/2407 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 12 (OVERLAPS) 0/1651 variables, 0/2407 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Int declared 1651/1651 variables, and 2407 constraints, problems are : Problem set: 0 solved, 1 unsolved in 4026 ms.
Refiners :[Domain max(s): 951/951 constraints, Positive P Invariants (semi-flows): 451/451 constraints, State Equation: 951/951 constraints, ReadFeed: 53/53 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 4508ms problems are : Problem set: 0 solved, 1 unsolved
Parikh walk visited 0 properties in 7333 ms.
Support contains 5 out of 951 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 951/951 places, 700/700 transitions.
Applied a total of 0 rules in 22 ms. Remains 951 /951 variables (removed 0) and now considering 700/700 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 22 ms. Remains : 951/951 places, 700/700 transitions.
RANDOM walk for 40000 steps (8 resets) in 473 ms. (84 steps per ms) remains 1/1 properties
BEST_FIRST walk for 40004 steps (8 resets) in 287 ms. (138 steps per ms) remains 1/1 properties
Interrupted probabilistic random walk after 262070 steps, run timeout after 3001 ms. (steps per millisecond=87 ) properties seen :0 out of 1
Probabilistic random walk after 262070 steps, saw 253643 distinct states, run finished after 3001 ms. (steps per millisecond=87 ) properties seen :0
[2025-06-05 22:47:48] [INFO ] Invariant cache hit.
[2025-06-05 22:47:48] [INFO ] State equation strengthened by 53 read => feed constraints.
Starting Z3 with timeout 90.0 s and query timeout 9000.0 ms
All remaining problems are real, not stopping.
At refinement iteration 0 (INCLUDED_ONLY) 0/5 variables, 5/5 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/5 variables, 0/5 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (OVERLAPS) 8/13 variables, 5/10 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/13 variables, 8/18 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/13 variables, 0/18 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (OVERLAPS) 938/951 variables, 446/464 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/951 variables, 938/1402 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/951 variables, 0/1402 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (OVERLAPS) 700/1651 variables, 951/2353 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/1651 variables, 53/2406 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/1651 variables, 0/2406 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 11 (OVERLAPS) 0/1651 variables, 0/2406 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Real declared 1651/1651 variables, and 2406 constraints, problems are : Problem set: 0 solved, 1 unsolved in 450 ms.
Refiners :[Domain max(s): 951/951 constraints, Positive P Invariants (semi-flows): 451/451 constraints, State Equation: 951/951 constraints, ReadFeed: 53/53 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) 0/5 variables, 5/5 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/5 variables, 0/5 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (OVERLAPS) 8/13 variables, 5/10 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/13 variables, 8/18 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/13 variables, 0/18 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (OVERLAPS) 938/951 variables, 446/464 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/951 variables, 938/1402 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/951 variables, 0/1402 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (OVERLAPS) 700/1651 variables, 951/2353 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/1651 variables, 53/2406 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/1651 variables, 1/2407 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/1651 variables, 0/2407 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 12 (OVERLAPS) 0/1651 variables, 0/2407 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Int declared 1651/1651 variables, and 2407 constraints, problems are : Problem set: 0 solved, 1 unsolved in 4033 ms.
Refiners :[Domain max(s): 951/951 constraints, Positive P Invariants (semi-flows): 451/451 constraints, State Equation: 951/951 constraints, ReadFeed: 53/53 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 4492ms problems are : Problem set: 0 solved, 1 unsolved
Parikh walk visited 0 properties in 7624 ms.
Support contains 5 out of 951 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 951/951 places, 700/700 transitions.
Applied a total of 0 rules in 17 ms. Remains 951 /951 variables (removed 0) and now considering 700/700 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 17 ms. Remains : 951/951 places, 700/700 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 951/951 places, 700/700 transitions.
Applied a total of 0 rules in 23 ms. Remains 951 /951 variables (removed 0) and now considering 700/700 (removed 0) transitions.
[2025-06-05 22:48:00] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-05 22:48:00] [INFO ] Implicit Places using invariants in 522 ms returned [943, 944]
Discarding 2 places :
Implicit Place search using SMT only with invariants took 527 ms to find 2 implicit places.
Starting structural reductions in REACHABILITY mode, iteration 1 : 949/951 places, 700/700 transitions.
Performed 1 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 0 with 1 Pre rules applied. Total rules applied 0 place count 949 transition count 699
Deduced a syphon composed of 1 places in 1 ms
Reduce places removed 1 places and 0 transitions.
Iterating global reduction 0 with 2 rules applied. Total rules applied 2 place count 948 transition count 699
Applied a total of 2 rules in 23 ms. Remains 948 /949 variables (removed 1) and now considering 699/700 (removed 1) transitions.
// Phase 1: matrix 699 rows 948 cols
[2025-06-05 22:48:00] [INFO ] Computed 449 invariants in 4 ms
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-05 22:48:01] [INFO ] Implicit Places using invariants in 542 ms returned [937]
Discarding 1 places :
Implicit Place search using SMT only with invariants took 543 ms to find 1 implicit places.
Starting structural reductions in REACHABILITY mode, iteration 2 : 947/951 places, 699/700 transitions.
Discarding 1 places :
Symmetric choice reduction at 0 with 1 rule applications. Total rules 1 place count 946 transition count 698
Iterating global reduction 0 with 1 rules applied. Total rules applied 2 place count 946 transition count 698
Applied a total of 2 rules in 74 ms. Remains 946 /947 variables (removed 1) and now considering 698/699 (removed 1) transitions.
// Phase 1: matrix 698 rows 946 cols
[2025-06-05 22:48:01] [INFO ] Computed 448 invariants in 2 ms
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-05 22:48:01] [INFO ] Implicit Places using invariants in 435 ms returned []
[2025-06-05 22:48:01] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-05 22:48:02] [INFO ] State equation strengthened by 50 read => feed constraints.
[2025-06-05 22:48:03] [INFO ] Implicit Places using invariants and state equation in 1667 ms returned []
Implicit Place search using SMT with State Equation took 2107 ms to find 0 implicit places.
Starting structural reductions in REACHABILITY mode, iteration 3 : 946/951 places, 698/700 transitions.
Finished structural reductions in REACHABILITY mode , in 3 iterations and 3297 ms. Remains : 946/951 places, 698/700 transitions.
RANDOM walk for 40000 steps (8 resets) in 531 ms. (75 steps per ms) remains 1/1 properties
BEST_FIRST walk for 40004 steps (8 resets) in 327 ms. (121 steps per ms) remains 1/1 properties
Interrupted probabilistic random walk after 274425 steps, run timeout after 3001 ms. (steps per millisecond=91 ) properties seen :0 out of 1
Probabilistic random walk after 274425 steps, saw 265417 distinct states, run finished after 3001 ms. (steps per millisecond=91 ) properties seen :0
[2025-06-05 22:48:06] [INFO ] Invariant cache hit.
[2025-06-05 22:48:06] [INFO ] State equation strengthened by 50 read => feed constraints.
Starting Z3 with timeout 105.0 s and query timeout 10500.0 ms
All remaining problems are real, not stopping.
At refinement iteration 0 (INCLUDED_ONLY) 0/5 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 1 (OVERLAPS) 8/13 variables, 5/5 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/13 variables, 0/5 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (OVERLAPS) 933/946 variables, 443/448 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/946 variables, 0/448 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (OVERLAPS) 698/1644 variables, 946/1394 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/1644 variables, 50/1444 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/1644 variables, 0/1444 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (OVERLAPS) 0/1644 variables, 0/1444 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Real declared 1644/1644 variables, and 1444 constraints, problems are : Problem set: 0 solved, 1 unsolved in 381 ms.
Refiners :[Positive P Invariants (semi-flows): 448/448 constraints, State Equation: 946/946 constraints, ReadFeed: 50/50 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) 0/5 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 1 (OVERLAPS) 8/13 variables, 5/5 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/13 variables, 0/5 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (OVERLAPS) 933/946 variables, 443/448 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/946 variables, 0/448 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (OVERLAPS) 698/1644 variables, 946/1394 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/1644 variables, 50/1444 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/1644 variables, 1/1445 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/1644 variables, 0/1445 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (OVERLAPS) 0/1644 variables, 0/1445 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Int declared 1644/1644 variables, and 1445 constraints, problems are : Problem set: 0 solved, 1 unsolved in 849 ms.
Refiners :[Positive P Invariants (semi-flows): 448/448 constraints, State Equation: 946/946 constraints, ReadFeed: 50/50 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 1239ms problems are : Problem set: 0 solved, 1 unsolved
Parikh walk visited 0 properties in 1582 ms.
Support contains 5 out of 946 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 946/946 places, 698/698 transitions.
Applied a total of 0 rules in 24 ms. Remains 946 /946 variables (removed 0) and now considering 698/698 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 25 ms. Remains : 946/946 places, 698/698 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 946/946 places, 698/698 transitions.
Applied a total of 0 rules in 24 ms. Remains 946 /946 variables (removed 0) and now considering 698/698 (removed 0) transitions.
[2025-06-05 22:48:09] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-05 22:48:10] [INFO ] Implicit Places using invariants in 441 ms returned []
[2025-06-05 22:48:10] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-05 22:48:10] [INFO ] State equation strengthened by 50 read => feed constraints.
[2025-06-05 22:48:11] [INFO ] Implicit Places using invariants and state equation in 1613 ms returned []
Implicit Place search using SMT with State Equation took 2059 ms to find 0 implicit places.
Starting Z3 with timeout 200.0 s and query timeout 20000.0 ms
[2025-06-05 22:48:11] [INFO ] Redundant transitions in 31 ms returned []
Running 697 sub problems to find dead transitions.
[2025-06-05 22:48:11] [INFO ] Invariant cache hit.
[2025-06-05 22:48:11] [INFO ] State equation strengthened by 50 read => feed constraints.
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/945 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 697 unsolved
At refinement iteration 1 (OVERLAPS) 1/946 variables, 448/448 constraints. Problems are: Problem set: 0 solved, 697 unsolved
Error getting values : (error "ParserException while parsing response: (timeout
org.smtlib.IParser$ParserException: Unbalanced parentheses at end of input")
Solver is answering 'unknown', stopping.
After SMT solving in domain Real declared 946/1644 variables, and 448 constraints, problems are : Problem set: 0 solved, 697 unsolved in 30015 ms.
Refiners :[Positive P Invariants (semi-flows): 448/448 constraints, State Equation: 0/946 constraints, ReadFeed: 0/50 constraints, PredecessorRefiner: 697/697 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 697 unsolved
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/945 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 697 unsolved
At refinement iteration 1 (OVERLAPS) 1/946 variables, 448/448 constraints. Problems are: Problem set: 0 solved, 697 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 946/1644 variables, and 448 constraints, problems are : Problem set: 0 solved, 697 unsolved in 30017 ms.
Refiners :[Positive P Invariants (semi-flows): 448/448 constraints, State Equation: 0/946 constraints, ReadFeed: 0/50 constraints, PredecessorRefiner: 0/697 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 60244ms problems are : Problem set: 0 solved, 697 unsolved
Search for dead transitions found 0 dead transitions in 60246ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 62369 ms. Remains : 946/946 places, 698/698 transitions.
Knowledge obtained : [(AND (NOT p0) (NOT p1) p2), (X p2), (X (NOT (AND p0 (NOT p2)))), (X (NOT (AND (NOT p0) (NOT p1) (NOT p2)))), (X (NOT (AND (NOT p0) p1 (NOT p2)))), (X (NOT (AND p0 (NOT p1) (NOT p2)))), (X (NOT p0)), (X (NOT (AND (NOT p0) (NOT p2)))), (X (NOT p1)), (X (X p2)), (X (X (NOT (AND p0 (NOT p2))))), (X (X (NOT p0))), (X (X (NOT (AND (NOT p0) (NOT p1) (NOT p2))))), (X (X (NOT (AND (NOT p0) p1 (NOT p2))))), (X (X (NOT (AND p0 (NOT p1))))), (X (X (AND (NOT p0) (NOT p1)))), (X (X (NOT (AND p0 (NOT p1) (NOT p2))))), (X (X (NOT (AND (NOT p0) (NOT p2))))), (X (X (NOT p1)))]
False Knowledge obtained : [(F (NOT (OR (NOT p0) p1))), (F (NOT (OR p2 p0))), (F (NOT (AND (NOT p0) (NOT p1)))), (F (NOT p2)), (F (NOT (OR p2 p0 p1))), (F p0), (F (NOT (OR p2 (NOT p0)))), (F (NOT (OR p2 (NOT p0) p1))), (F p1)]
Knowledge based reduction with 19 factoid took 413 ms. Reduced automaton from 7 states, 17 edges and 3 AP (stutter sensitive) to 7 states, 17 edges and 3 AP (stutter sensitive).
Stuttering acceptance computed with spot in 243 ms :[(AND (NOT p0) (NOT p2)), (AND (NOT p0) (NOT p2) (NOT p1)), (AND (NOT p0) (NOT p2)), (NOT p0), (AND (NOT p0) (NOT p1)), (NOT p1), (AND (NOT p0) (NOT p1))]
Stuttering acceptance computed with spot in 227 ms :[(AND (NOT p0) (NOT p2)), (AND (NOT p0) (NOT p2) (NOT p1)), (AND (NOT p0) (NOT p2)), (NOT p0), (AND (NOT p0) (NOT p1)), (NOT p1), (AND (NOT p0) (NOT p1))]
Support contains 5 out of 953 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 953/953 places, 702/702 transitions.
Applied a total of 0 rules in 15 ms. Remains 953 /953 variables (removed 0) and now considering 702/702 (removed 0) transitions.
// Phase 1: matrix 702 rows 953 cols
[2025-06-05 22:49:12] [INFO ] Computed 451 invariants in 4 ms
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-05 22:49:13] [INFO ] Implicit Places using invariants in 461 ms returned []
[2025-06-05 22:49:13] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-05 22:49:14] [INFO ] Implicit Places using invariants and state equation in 883 ms returned []
Implicit Place search using SMT with State Equation took 1346 ms to find 0 implicit places.
Running 701 sub problems to find dead transitions.
[2025-06-05 22:49:14] [INFO ] Invariant cache hit.
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/952 variables, 952/952 constraints. Problems are: Problem set: 0 solved, 701 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/952 variables, 0/952 constraints. Problems are: Problem set: 0 solved, 701 unsolved
At refinement iteration 2 (OVERLAPS) 1/953 variables, 451/1403 constraints. Problems are: Problem set: 0 solved, 701 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/953 variables, 1/1404 constraints. Problems are: Problem set: 0 solved, 701 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Real declared 953/1655 variables, and 1404 constraints, problems are : Problem set: 0 solved, 701 unsolved in 30019 ms.
Refiners :[Domain max(s): 953/953 constraints, Positive P Invariants (semi-flows): 451/451 constraints, State Equation: 0/953 constraints, PredecessorRefiner: 701/701 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 701 unsolved
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/952 variables, 952/952 constraints. Problems are: Problem set: 0 solved, 701 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/952 variables, 0/952 constraints. Problems are: Problem set: 0 solved, 701 unsolved
At refinement iteration 2 (OVERLAPS) 1/953 variables, 451/1403 constraints. Problems are: Problem set: 0 solved, 701 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/953 variables, 1/1404 constraints. Problems are: Problem set: 0 solved, 701 unsolved
Error getting values : (error "ParserException while parsing response: (timeout
org.smtlib.IParser$ParserException: Unbalanced parentheses at end of input")
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 953/1655 variables, and 1404 constraints, problems are : Problem set: 0 solved, 701 unsolved in 30015 ms.
Refiners :[Domain max(s): 953/953 constraints, Positive P Invariants (semi-flows): 451/451 constraints, State Equation: 0/953 constraints, PredecessorRefiner: 0/701 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 60247ms problems are : Problem set: 0 solved, 701 unsolved
Search for dead transitions found 0 dead transitions in 60252ms
Finished structural reductions in LTL mode , in 1 iterations and 61615 ms. Remains : 953/953 places, 702/702 transitions.
Computed a total of 1 stabilizing places and 1 stable transitions
Computed a total of 1 stabilizing places and 1 stable transitions
Knowledge obtained : [(AND (NOT p0) p2 (NOT p1)), (X p2), (X (NOT (AND (NOT p2) (NOT p0) (NOT p1)))), (X (NOT (AND (NOT p2) (NOT p0) p1))), (X (NOT (AND (NOT p2) (NOT p0)))), (X (NOT (AND (NOT p2) p0 (NOT p1)))), (X (NOT (AND (NOT p2) p0))), (X (NOT p0)), (X (NOT p1)), (X (X p2)), (X (X (NOT p0))), (X (X (NOT (AND (NOT p2) (NOT p0) (NOT p1))))), (X (X (NOT (AND (NOT p2) (NOT p0) p1)))), (X (X (NOT (AND p0 (NOT p1))))), (X (X (AND (NOT p0) (NOT p1)))), (X (X (NOT (AND (NOT p2) (NOT p0))))), (X (X (NOT (AND (NOT p2) p0 (NOT p1))))), (X (X (NOT (AND (NOT p2) p0)))), (X (X (NOT p1)))]
False Knowledge obtained : []
Knowledge based reduction with 19 factoid took 121 ms. Reduced automaton from 7 states, 17 edges and 3 AP (stutter sensitive) to 7 states, 17 edges and 3 AP (stutter sensitive).
Stuttering acceptance computed with spot in 258 ms :[(AND (NOT p0) (NOT p2)), (AND (NOT p0) (NOT p2) (NOT p1)), (AND (NOT p0) (NOT p2)), (NOT p0), (AND (NOT p0) (NOT p1)), (NOT p1), (AND (NOT p0) (NOT p1))]
RANDOM walk for 40000 steps (8 resets) in 621 ms. (64 steps per ms) remains 7/10 properties
BEST_FIRST walk for 40004 steps (8 resets) in 317 ms. (125 steps per ms) remains 7/7 properties
BEST_FIRST walk for 40003 steps (8 resets) in 310 ms. (128 steps per ms) remains 7/7 properties
BEST_FIRST walk for 40003 steps (8 resets) in 318 ms. (125 steps per ms) remains 7/7 properties
BEST_FIRST walk for 40004 steps (8 resets) in 288 ms. (138 steps per ms) remains 7/7 properties
BEST_FIRST walk for 40004 steps (8 resets) in 395 ms. (101 steps per ms) remains 7/7 properties
BEST_FIRST walk for 40004 steps (8 resets) in 272 ms. (146 steps per ms) remains 7/7 properties
BEST_FIRST walk for 40004 steps (8 resets) in 282 ms. (141 steps per ms) remains 7/7 properties
[2025-06-05 22:50:15] [INFO ] Invariant cache hit.
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
All remaining problems are real, not stopping.
At refinement iteration 0 (INCLUDED_ONLY) 0/5 variables, 5/5 constraints. Problems are: Problem set: 0 solved, 7 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/5 variables, 0/5 constraints. Problems are: Problem set: 0 solved, 7 unsolved
At refinement iteration 2 (OVERLAPS) 8/13 variables, 5/10 constraints. Problems are: Problem set: 0 solved, 7 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/13 variables, 8/18 constraints. Problems are: Problem set: 0 solved, 7 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/13 variables, 0/18 constraints. Problems are: Problem set: 0 solved, 7 unsolved
At refinement iteration 5 (OVERLAPS) 940/953 variables, 446/464 constraints. Problems are: Problem set: 0 solved, 7 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/953 variables, 940/1404 constraints. Problems are: Problem set: 0 solved, 7 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/953 variables, 0/1404 constraints. Problems are: Problem set: 0 solved, 7 unsolved
At refinement iteration 8 (OVERLAPS) 702/1655 variables, 953/2357 constraints. Problems are: Problem set: 0 solved, 7 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/1655 variables, 0/2357 constraints. Problems are: Problem set: 0 solved, 7 unsolved
At refinement iteration 10 (OVERLAPS) 0/1655 variables, 0/2357 constraints. Problems are: Problem set: 0 solved, 7 unsolved
No progress, stopping.
After SMT solving in domain Real declared 1655/1655 variables, and 2357 constraints, problems are : Problem set: 0 solved, 7 unsolved in 769 ms.
Refiners :[Domain max(s): 953/953 constraints, Positive P Invariants (semi-flows): 451/451 constraints, State Equation: 953/953 constraints, PredecessorRefiner: 7/7 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 7 unsolved
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/5 variables, 5/5 constraints. Problems are: Problem set: 0 solved, 7 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/5 variables, 0/5 constraints. Problems are: Problem set: 0 solved, 7 unsolved
At refinement iteration 2 (OVERLAPS) 8/13 variables, 5/10 constraints. Problems are: Problem set: 0 solved, 7 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/13 variables, 8/18 constraints. Problems are: Problem set: 0 solved, 7 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/13 variables, 0/18 constraints. Problems are: Problem set: 0 solved, 7 unsolved
At refinement iteration 5 (OVERLAPS) 940/953 variables, 446/464 constraints. Problems are: Problem set: 0 solved, 7 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/953 variables, 940/1404 constraints. Problems are: Problem set: 0 solved, 7 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/953 variables, 0/1404 constraints. Problems are: Problem set: 0 solved, 7 unsolved
At refinement iteration 8 (OVERLAPS) 702/1655 variables, 953/2357 constraints. Problems are: Problem set: 0 solved, 7 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/1655 variables, 7/2364 constraints. Problems are: Problem set: 0 solved, 7 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/1655 variables, 0/2364 constraints. Problems are: Problem set: 0 solved, 7 unsolved
At refinement iteration 11 (OVERLAPS) 0/1655 variables, 0/2364 constraints. Problems are: Problem set: 0 solved, 7 unsolved
No progress, stopping.
After SMT solving in domain Int declared 1655/1655 variables, and 2364 constraints, problems are : Problem set: 0 solved, 7 unsolved in 2494 ms.
Refiners :[Domain max(s): 953/953 constraints, Positive P Invariants (semi-flows): 451/451 constraints, State Equation: 953/953 constraints, PredecessorRefiner: 7/7 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 3273ms problems are : Problem set: 0 solved, 7 unsolved
Fused 7 Parikh solutions to 4 different solutions.
Parikh walk visited 0 properties in 11938 ms.
Support contains 5 out of 953 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 953/953 places, 702/702 transitions.
Performed 1 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 0 with 1 Pre rules applied. Total rules applied 0 place count 953 transition count 701
Deduced a syphon composed of 1 places in 0 ms
Reduce places removed 1 places and 0 transitions.
Iterating global reduction 0 with 2 rules applied. Total rules applied 2 place count 952 transition count 701
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 4 place count 951 transition count 700
Partial Free-agglomeration rule applied 99 times.
Drop transitions (Partial Free agglomeration) removed 99 transitions
Iterating global reduction 0 with 99 rules applied. Total rules applied 103 place count 951 transition count 700
Applied a total of 103 rules in 55 ms. Remains 951 /953 variables (removed 2) and now considering 700/702 (removed 2) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 55 ms. Remains : 951/953 places, 700/702 transitions.
RANDOM walk for 40000 steps (8 resets) in 505 ms. (79 steps per ms) remains 4/7 properties
BEST_FIRST walk for 40004 steps (8 resets) in 253 ms. (157 steps per ms) remains 4/4 properties
BEST_FIRST walk for 40003 steps (8 resets) in 238 ms. (167 steps per ms) remains 4/4 properties
BEST_FIRST walk for 40004 steps (8 resets) in 228 ms. (174 steps per ms) remains 4/4 properties
BEST_FIRST walk for 40004 steps (8 resets) in 232 ms. (171 steps per ms) remains 4/4 properties
// Phase 1: matrix 700 rows 951 cols
[2025-06-05 22:50:31] [INFO ] Computed 451 invariants in 2 ms
[2025-06-05 22:50:31] [INFO ] State equation strengthened by 53 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) 0/5 variables, 5/5 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/5 variables, 0/5 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 2 (OVERLAPS) 8/13 variables, 5/10 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/13 variables, 8/18 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/13 variables, 0/18 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 5 (OVERLAPS) 938/951 variables, 446/464 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/951 variables, 938/1402 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/951 variables, 0/1402 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 8 (OVERLAPS) 700/1651 variables, 951/2353 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/1651 variables, 53/2406 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/1651 variables, 0/2406 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 11 (OVERLAPS) 0/1651 variables, 0/2406 constraints. Problems are: Problem set: 0 solved, 4 unsolved
No progress, stopping.
After SMT solving in domain Real declared 1651/1651 variables, and 2406 constraints, problems are : Problem set: 0 solved, 4 unsolved in 709 ms.
Refiners :[Domain max(s): 951/951 constraints, Positive P Invariants (semi-flows): 451/451 constraints, State Equation: 951/951 constraints, ReadFeed: 53/53 constraints, PredecessorRefiner: 4/4 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 4 unsolved
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/5 variables, 5/5 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/5 variables, 0/5 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 2 (OVERLAPS) 8/13 variables, 5/10 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/13 variables, 8/18 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/13 variables, 0/18 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 5 (OVERLAPS) 938/951 variables, 446/464 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/951 variables, 938/1402 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/951 variables, 0/1402 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 8 (OVERLAPS) 700/1651 variables, 951/2353 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/1651 variables, 53/2406 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/1651 variables, 4/2410 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/1651 variables, 0/2410 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 12 (OVERLAPS) 0/1651 variables, 0/2410 constraints. Problems are: Problem set: 0 solved, 4 unsolved
No progress, stopping.
After SMT solving in domain Int declared 1651/1651 variables, and 2410 constraints, problems are : Problem set: 0 solved, 4 unsolved in 6977 ms.
Refiners :[Domain max(s): 951/951 constraints, Positive P Invariants (semi-flows): 451/451 constraints, State Equation: 951/951 constraints, ReadFeed: 53/53 constraints, PredecessorRefiner: 4/4 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 7700ms problems are : Problem set: 0 solved, 4 unsolved
Parikh walk visited 0 properties in 44525 ms.
Support contains 5 out of 951 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 951/951 places, 700/700 transitions.
Applied a total of 0 rules in 24 ms. Remains 951 /951 variables (removed 0) and now considering 700/700 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 24 ms. Remains : 951/951 places, 700/700 transitions.
RANDOM walk for 40000 steps (8 resets) in 461 ms. (86 steps per ms) remains 4/4 properties
BEST_FIRST walk for 40004 steps (8 resets) in 315 ms. (126 steps per ms) remains 4/4 properties
BEST_FIRST walk for 40004 steps (8 resets) in 259 ms. (153 steps per ms) remains 4/4 properties
BEST_FIRST walk for 40003 steps (8 resets) in 230 ms. (173 steps per ms) remains 4/4 properties
BEST_FIRST walk for 40004 steps (8 resets) in 226 ms. (176 steps per ms) remains 4/4 properties
Interrupted probabilistic random walk after 198440 steps, run timeout after 3002 ms. (steps per millisecond=66 ) properties seen :1 out of 4
Probabilistic random walk after 198440 steps, saw 193152 distinct states, run finished after 3002 ms. (steps per millisecond=66 ) properties seen :1
[2025-06-05 22:51:27] [INFO ] Invariant cache hit.
[2025-06-05 22:51:27] [INFO ] State equation strengthened by 53 read => feed constraints.
Starting Z3 with timeout 75.0 s and query timeout 7500.0 ms
All remaining problems are real, not stopping.
At refinement iteration 0 (INCLUDED_ONLY) 0/5 variables, 5/5 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/5 variables, 0/5 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 2 (OVERLAPS) 8/13 variables, 5/10 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/13 variables, 8/18 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/13 variables, 0/18 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 5 (OVERLAPS) 938/951 variables, 446/464 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/951 variables, 938/1402 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/951 variables, 0/1402 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 8 (OVERLAPS) 700/1651 variables, 951/2353 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/1651 variables, 53/2406 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/1651 variables, 0/2406 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 11 (OVERLAPS) 0/1651 variables, 0/2406 constraints. Problems are: Problem set: 0 solved, 3 unsolved
No progress, stopping.
After SMT solving in domain Real declared 1651/1651 variables, and 2406 constraints, problems are : Problem set: 0 solved, 3 unsolved in 636 ms.
Refiners :[Domain max(s): 951/951 constraints, Positive P Invariants (semi-flows): 451/451 constraints, State Equation: 951/951 constraints, ReadFeed: 53/53 constraints, PredecessorRefiner: 3/3 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 3 unsolved
Starting Z3 with timeout 75.0 s and query timeout 7500.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/5 variables, 5/5 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/5 variables, 0/5 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 2 (OVERLAPS) 8/13 variables, 5/10 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/13 variables, 8/18 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/13 variables, 0/18 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 5 (OVERLAPS) 938/951 variables, 446/464 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/951 variables, 938/1402 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/951 variables, 0/1402 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 8 (OVERLAPS) 700/1651 variables, 951/2353 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/1651 variables, 53/2406 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/1651 variables, 3/2409 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/1651 variables, 0/2409 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 12 (OVERLAPS) 0/1651 variables, 0/2409 constraints. Problems are: Problem set: 0 solved, 3 unsolved
No progress, stopping.
After SMT solving in domain Int declared 1651/1651 variables, and 2409 constraints, problems are : Problem set: 0 solved, 3 unsolved in 5669 ms.
Refiners :[Domain max(s): 951/951 constraints, Positive P Invariants (semi-flows): 451/451 constraints, State Equation: 951/951 constraints, ReadFeed: 53/53 constraints, PredecessorRefiner: 3/3 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 6317ms problems are : Problem set: 0 solved, 3 unsolved
Fused 3 Parikh solutions to 2 different solutions.
Parikh walk visited 0 properties in 37940 ms.
Support contains 5 out of 951 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 951/951 places, 700/700 transitions.
Applied a total of 0 rules in 24 ms. Remains 951 /951 variables (removed 0) and now considering 700/700 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 24 ms. Remains : 951/951 places, 700/700 transitions.
Knowledge obtained : [(AND (NOT p0) p2 (NOT p1)), (X p2), (X (NOT (AND (NOT p2) (NOT p0) (NOT p1)))), (X (NOT (AND (NOT p2) (NOT p0) p1))), (X (NOT (AND (NOT p2) (NOT p0)))), (X (NOT (AND (NOT p2) p0 (NOT p1)))), (X (NOT (AND (NOT p2) p0))), (X (NOT p0)), (X (NOT p1)), (X (X p2)), (X (X (NOT p0))), (X (X (NOT (AND (NOT p2) (NOT p0) (NOT p1))))), (X (X (NOT (AND (NOT p2) (NOT p0) p1)))), (X (X (NOT (AND p0 (NOT p1))))), (X (X (AND (NOT p0) (NOT p1)))), (X (X (NOT (AND (NOT p2) (NOT p0))))), (X (X (NOT (AND (NOT p2) p0 (NOT p1))))), (X (X (NOT (AND (NOT p2) p0)))), (X (X (NOT p1)))]
False Knowledge obtained : [(F (NOT (OR (NOT p0) p1))), (F (NOT (OR p2 p0))), (F (NOT (AND (NOT p0) (NOT p1)))), (F (NOT p2)), (F (NOT (OR p2 p0 p1))), (F p0), (F p1)]
Knowledge based reduction with 19 factoid took 372 ms. Reduced automaton from 7 states, 17 edges and 3 AP (stutter sensitive) to 7 states, 17 edges and 3 AP (stutter sensitive).
Stuttering acceptance computed with spot in 299 ms :[(AND (NOT p0) (NOT p2)), (AND (NOT p0) (NOT p2) (NOT p1)), (AND (NOT p0) (NOT p2)), (NOT p0), (AND (NOT p0) (NOT p1)), (NOT p1), (AND (NOT p0) (NOT p1))]
Stuttering acceptance computed with spot in 296 ms :[(AND (NOT p0) (NOT p2)), (AND (NOT p0) (NOT p2) (NOT p1)), (AND (NOT p0) (NOT p2)), (NOT p0), (AND (NOT p0) (NOT p1)), (NOT p1), (AND (NOT p0) (NOT p1))]
Stuttering acceptance computed with spot in 291 ms :[(AND (NOT p0) (NOT p2)), (AND (NOT p0) (NOT p2) (NOT p1)), (AND (NOT p0) (NOT p2)), (NOT p0), (AND (NOT p0) (NOT p1)), (NOT p1), (AND (NOT p0) (NOT p1))]
Product exploration explored 100000 steps with 40046 reset in 2230 ms.
Product exploration explored 100000 steps with 39960 reset in 2333 ms.
Applying partial POR strategy [false, true, false, true, true, false, false]
Stuttering acceptance computed with spot in 270 ms :[(AND (NOT p0) (NOT p2)), (AND (NOT p0) (NOT p2) (NOT p1)), (AND (NOT p0) (NOT p2)), (NOT p0), (AND (NOT p0) (NOT p1)), (NOT p1), (AND (NOT p0) (NOT p1))]
Support contains 5 out of 953 places. Attempting structural reductions.
Starting structural reductions in SI_LTL mode, iteration 0 : 953/953 places, 702/702 transitions.
Performed 1 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 0 with 1 Pre rules applied. Total rules applied 0 place count 953 transition count 702
Deduced a syphon composed of 1 places in 1 ms
Iterating global reduction 0 with 1 rules applied. Total rules applied 1 place count 953 transition count 702
Performed 1 Post agglomeration using F-continuation condition.Transition count delta: 0
Deduced a syphon composed of 2 places in 1 ms
Iterating global reduction 0 with 1 rules applied. Total rules applied 2 place count 953 transition count 702
Deduced a syphon composed of 2 places in 1 ms
Applied a total of 2 rules in 123 ms. Remains 953 /953 variables (removed 0) and now considering 702/702 (removed 0) transitions.
Starting Z3 with timeout 200.0 s and query timeout 20000.0 ms
[2025-06-05 22:52:18] [INFO ] Redundant transitions in 7 ms returned []
Running 701 sub problems to find dead transitions.
// Phase 1: matrix 702 rows 953 cols
[2025-06-05 22:52:18] [INFO ] Computed 451 invariants in 3 ms
[2025-06-05 22:52:18] [INFO ] State equation strengthened by 3 read => feed constraints.
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/952 variables, 952/952 constraints. Problems are: Problem set: 0 solved, 701 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/952 variables, 0/952 constraints. Problems are: Problem set: 0 solved, 701 unsolved
At refinement iteration 2 (OVERLAPS) 1/953 variables, 451/1403 constraints. Problems are: Problem set: 0 solved, 701 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/953 variables, 1/1404 constraints. Problems are: Problem set: 0 solved, 701 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Real declared 953/1655 variables, and 1404 constraints, problems are : Problem set: 0 solved, 701 unsolved in 30025 ms.
Refiners :[Domain max(s): 953/953 constraints, Positive P Invariants (semi-flows): 451/451 constraints, State Equation: 0/953 constraints, ReadFeed: 0/3 constraints, PredecessorRefiner: 701/701 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 701 unsolved
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/952 variables, 952/952 constraints. Problems are: Problem set: 0 solved, 701 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/952 variables, 0/952 constraints. Problems are: Problem set: 0 solved, 701 unsolved
At refinement iteration 2 (OVERLAPS) 1/953 variables, 451/1403 constraints. Problems are: Problem set: 0 solved, 701 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/953 variables, 1/1404 constraints. Problems are: Problem set: 0 solved, 701 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-05 22:53:08] [INFO ] Deduced a trap composed of 2 places in 39 ms of which 7 ms to minimize.
Problem TDEAD250 is UNSAT
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-05 22:53:09] [INFO ] Deduced a trap composed of 2 places in 23 ms of which 2 ms to minimize.
Problem TDEAD354 is UNSAT
At refinement iteration 4 (INCLUDED_ONLY) 0/953 variables, 2/1406 constraints. Problems are: Problem set: 2 solved, 699 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 953/1655 variables, and 1406 constraints, problems are : Problem set: 2 solved, 699 unsolved in 30017 ms.
Refiners :[Domain max(s): 953/953 constraints, Positive P Invariants (semi-flows): 451/451 constraints, State Equation: 0/953 constraints, ReadFeed: 0/3 constraints, PredecessorRefiner: 0/701 constraints, Known Traps: 2/2 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 60246ms problems are : Problem set: 2 solved, 699 unsolved
Search for dead transitions found 2 dead transitions in 60248ms
Found 2 dead transitions using SMT.
Drop transitions (Dead Transitions using SMT only with invariants) removed 2 transitions
Dead transitions reduction (with SMT) removed 2 transitions
Starting structural reductions in SI_LTL mode, iteration 1 : 953/953 places, 700/702 transitions.
Graph (complete) has 2751 edges and 953 vertex of which 951 are kept as prefixes of interest. Removing 2 places using SCC suffix rule.2 ms
Discarding 2 places :
Also discarding 0 output transitions
Applied a total of 1 rules in 26 ms. Remains 951 /953 variables (removed 2) and now considering 700/700 (removed 0) transitions.
Starting structural reductions in SI_LTL mode, iteration 2 : 951/953 places, 700/702 transitions.
Finished structural reductions in SI_LTL mode , in 2 iterations and 60416 ms. Remains : 951/953 places, 700/702 transitions.
Built C files in :
/tmp/ltsmin16912056065626341535
[2025-06-05 22:53:18] [INFO ] Built C files in 54ms conformant to PINS (ltsmin variant)in folder :/tmp/ltsmin16912056065626341535
Running compilation step : cd /tmp/ltsmin16912056065626341535;'/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 1352 ms.
Running link step : cd /tmp/ltsmin16912056065626341535;'gcc' '-shared' '-o' 'gal.so' 'model.o'
Link finished in 49 ms.
Running LTSmin : cd /tmp/ltsmin16912056065626341535;'/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/stateBased16982167126342453177.hoa' '--buchi-type=spotba'
LTSmin run took 718 ms.
FORMULA ShieldIIPt-PT-050A-LTLFireability-01 FALSE TECHNIQUES EXPLICIT LTSMIN SAT_SMT
Treatment of property ShieldIIPt-PT-050A-LTLFireability-01 finished in 466397 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 953 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 953/953 places, 702/702 transitions.
Applied a total of 0 rules in 35 ms. Remains 953 /953 variables (removed 0) and now considering 702/702 (removed 0) transitions.
// Phase 1: matrix 702 rows 953 cols
[2025-06-05 22:53:20] [INFO ] Computed 451 invariants in 3 ms
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-05 22:53:21] [INFO ] Implicit Places using invariants in 444 ms returned []
[2025-06-05 22:53:21] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-05 22:53:21] [INFO ] Implicit Places using invariants and state equation in 883 ms returned []
Implicit Place search using SMT with State Equation took 1329 ms to find 0 implicit places.
Running 701 sub problems to find dead transitions.
[2025-06-05 22:53:21] [INFO ] Invariant cache hit.
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/952 variables, 952/952 constraints. Problems are: Problem set: 0 solved, 701 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/952 variables, 0/952 constraints. Problems are: Problem set: 0 solved, 701 unsolved
At refinement iteration 2 (OVERLAPS) 1/953 variables, 451/1403 constraints. Problems are: Problem set: 0 solved, 701 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/953 variables, 1/1404 constraints. Problems are: Problem set: 0 solved, 701 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Real declared 953/1655 variables, and 1404 constraints, problems are : Problem set: 0 solved, 701 unsolved in 30022 ms.
Refiners :[Domain max(s): 953/953 constraints, Positive P Invariants (semi-flows): 451/451 constraints, State Equation: 0/953 constraints, PredecessorRefiner: 701/701 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 701 unsolved
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/952 variables, 952/952 constraints. Problems are: Problem set: 0 solved, 701 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/952 variables, 0/952 constraints. Problems are: Problem set: 0 solved, 701 unsolved
At refinement iteration 2 (OVERLAPS) 1/953 variables, 451/1403 constraints. Problems are: Problem set: 0 solved, 701 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/953 variables, 1/1404 constraints. Problems are: Problem set: 0 solved, 701 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 953/1655 variables, and 1404 constraints, problems are : Problem set: 0 solved, 701 unsolved in 30020 ms.
Refiners :[Domain max(s): 953/953 constraints, Positive P Invariants (semi-flows): 451/451 constraints, State Equation: 0/953 constraints, PredecessorRefiner: 0/701 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 60201ms problems are : Problem set: 0 solved, 701 unsolved
Search for dead transitions found 0 dead transitions in 60202ms
Finished structural reductions in LTL mode , in 1 iterations and 61568 ms. Remains : 953/953 places, 702/702 transitions.
Stuttering acceptance computed with spot in 86 ms :[true, (NOT p0), (NOT p0)]
Running random walk in product with property : ShieldIIPt-PT-050A-LTLFireability-03
Product exploration explored 100000 steps with 0 reset in 704 ms.
Product exploration explored 100000 steps with 0 reset in 978 ms.
Computed a total of 1 stabilizing places and 1 stable transitions
Computed a total of 1 stabilizing places and 1 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 68 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 50 ms :[true, (NOT p0)]
RANDOM walk for 40000 steps (8 resets) in 404 ms. (98 steps per ms) remains 1/1 properties
BEST_FIRST walk for 40003 steps (8 resets) in 266 ms. (149 steps per ms) remains 1/1 properties
Finished probabilistic random walk after 38487 steps, run visited all 1 properties in 381 ms. (steps per millisecond=101 )
Probabilistic random walk after 38487 steps, saw 37741 distinct states, run finished after 389 ms. (steps per millisecond=98 ) properties seen :1
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 112 ms. Reduced automaton from 2 states, 3 edges and 1 AP (stutter insensitive) to 1 states, 1 edges and 0 AP (stutter insensitive).
FORMULA ShieldIIPt-PT-050A-LTLFireability-03 FALSE TECHNIQUES KNOWLEDGE
Treatment of property ShieldIIPt-PT-050A-LTLFireability-03 finished in 64187 ms.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202505121319/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!((F(G(p0)) U p1))'
Support contains 6 out of 953 places. Attempting structural reductions.
Starting structural reductions in SI_LTL mode, iteration 0 : 953/953 places, 702/702 transitions.
Performed 1 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 0 with 1 Pre rules applied. Total rules applied 0 place count 953 transition count 701
Deduced a syphon composed of 1 places in 1 ms
Reduce places removed 1 places and 0 transitions.
Iterating global reduction 0 with 2 rules applied. Total rules applied 2 place count 952 transition count 701
Performed 1 Post agglomeration using F-continuation condition.Transition count delta: 1
Deduced a syphon composed of 1 places in 1 ms
Reduce places removed 1 places and 0 transitions.
Iterating global reduction 0 with 2 rules applied. Total rules applied 4 place count 951 transition count 700
Applied a total of 4 rules in 52 ms. Remains 951 /953 variables (removed 2) and now considering 700/702 (removed 2) transitions.
// Phase 1: matrix 700 rows 951 cols
[2025-06-05 22:54:24] [INFO ] Computed 451 invariants in 5 ms
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-05 22:54:25] [INFO ] Implicit Places using invariants in 494 ms returned [943, 944]
Discarding 2 places :
Implicit Place search using SMT only with invariants took 495 ms to find 2 implicit places.
Starting structural reductions in SI_LTL mode, iteration 1 : 949/953 places, 700/702 transitions.
Performed 1 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 0 with 1 Pre rules applied. Total rules applied 0 place count 949 transition count 699
Deduced a syphon composed of 1 places in 1 ms
Reduce places removed 1 places and 0 transitions.
Iterating global reduction 0 with 2 rules applied. Total rules applied 2 place count 948 transition count 699
Applied a total of 2 rules in 26 ms. Remains 948 /949 variables (removed 1) and now considering 699/700 (removed 1) transitions.
// Phase 1: matrix 699 rows 948 cols
[2025-06-05 22:54:25] [INFO ] Computed 449 invariants in 5 ms
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-05 22:54:25] [INFO ] Implicit Places using invariants in 443 ms returned [937]
Discarding 1 places :
Implicit Place search using SMT only with invariants took 446 ms to find 1 implicit places.
Starting structural reductions in SI_LTL mode, iteration 2 : 947/953 places, 699/702 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 2 place count 946 transition count 698
Applied a total of 2 rules in 34 ms. Remains 946 /947 variables (removed 1) and now considering 698/699 (removed 1) transitions.
// Phase 1: matrix 698 rows 946 cols
[2025-06-05 22:54:25] [INFO ] Computed 448 invariants in 6 ms
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-05 22:54:26] [INFO ] Implicit Places using invariants in 445 ms returned []
[2025-06-05 22:54:26] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-05 22:54:27] [INFO ] Implicit Places using invariants and state equation in 941 ms returned []
Implicit Place search using SMT with State Equation took 1390 ms to find 0 implicit places.
Starting structural reductions in SI_LTL mode, iteration 3 : 946/953 places, 698/702 transitions.
Finished structural reductions in SI_LTL mode , in 3 iterations and 2445 ms. Remains : 946/953 places, 698/702 transitions.
Stuttering acceptance computed with spot in 72 ms :[(NOT p1), (NOT p0)]
Running random walk in product with property : ShieldIIPt-PT-050A-LTLFireability-05
Product exploration explored 100000 steps with 0 reset in 707 ms.
Stack based approach found an accepted trace after 33 steps with 0 reset with depth 34 and stack size 34 in 1 ms.
FORMULA ShieldIIPt-PT-050A-LTLFireability-05 FALSE TECHNIQUES STACK_TEST
Treatment of property ShieldIIPt-PT-050A-LTLFireability-05 finished in 3243 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(((p2 U p3)&&p1))))))'
Support contains 5 out of 953 places. Attempting structural reductions.
Starting structural reductions in SI_LTL mode, iteration 0 : 953/953 places, 702/702 transitions.
Performed 1 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 0 with 1 Pre rules applied. Total rules applied 0 place count 953 transition count 701
Deduced a syphon composed of 1 places in 1 ms
Reduce places removed 1 places and 0 transitions.
Iterating global reduction 0 with 2 rules applied. Total rules applied 2 place count 952 transition count 701
Performed 1 Post agglomeration using F-continuation condition.Transition count delta: 1
Deduced a syphon composed of 1 places in 1 ms
Reduce places removed 1 places and 0 transitions.
Iterating global reduction 0 with 2 rules applied. Total rules applied 4 place count 951 transition count 700
Applied a total of 4 rules in 38 ms. Remains 951 /953 variables (removed 2) and now considering 700/702 (removed 2) transitions.
// Phase 1: matrix 700 rows 951 cols
[2025-06-05 22:54:28] [INFO ] Computed 451 invariants in 5 ms
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-05 22:54:28] [INFO ] Implicit Places using invariants in 501 ms returned [943, 944]
Discarding 2 places :
Implicit Place search using SMT only with invariants took 503 ms to find 2 implicit places.
Starting structural reductions in SI_LTL mode, iteration 1 : 949/953 places, 700/702 transitions.
Performed 1 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 0 with 1 Pre rules applied. Total rules applied 0 place count 949 transition count 699
Deduced a syphon composed of 1 places in 0 ms
Reduce places removed 1 places and 0 transitions.
Iterating global reduction 0 with 2 rules applied. Total rules applied 2 place count 948 transition count 699
Applied a total of 2 rules in 27 ms. Remains 948 /949 variables (removed 1) and now considering 699/700 (removed 1) transitions.
// Phase 1: matrix 699 rows 948 cols
[2025-06-05 22:54:28] [INFO ] Computed 449 invariants in 3 ms
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-05 22:54:29] [INFO ] Implicit Places using invariants in 510 ms returned [937]
Discarding 1 places :
Implicit Place search using SMT only with invariants took 511 ms to find 1 implicit places.
Starting structural reductions in SI_LTL mode, iteration 2 : 947/953 places, 699/702 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 2 place count 946 transition count 698
Applied a total of 2 rules in 35 ms. Remains 946 /947 variables (removed 1) and now considering 698/699 (removed 1) transitions.
// Phase 1: matrix 698 rows 946 cols
[2025-06-05 22:54:29] [INFO ] Computed 448 invariants in 5 ms
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-05 22:54:29] [INFO ] Implicit Places using invariants in 494 ms returned []
[2025-06-05 22:54:29] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-05 22:54:30] [INFO ] Implicit Places using invariants and state equation in 952 ms returned []
Implicit Place search using SMT with State Equation took 1449 ms to find 0 implicit places.
Starting structural reductions in SI_LTL mode, iteration 3 : 946/953 places, 698/702 transitions.
Finished structural reductions in SI_LTL mode , in 3 iterations and 2564 ms. Remains : 946/953 places, 698/702 transitions.
Stuttering acceptance computed with spot in 201 ms :[(OR (NOT p0) (NOT p1) (NOT p3)), (NOT p0), (OR (NOT p3) (NOT p1)), (NOT p3)]
Running random walk in product with property : ShieldIIPt-PT-050A-LTLFireability-06
Product exploration explored 100000 steps with 0 reset in 704 ms.
Stack based approach found an accepted trace after 4 steps with 0 reset with depth 5 and stack size 5 in 0 ms.
FORMULA ShieldIIPt-PT-050A-LTLFireability-06 FALSE TECHNIQUES STACK_TEST
Treatment of property ShieldIIPt-PT-050A-LTLFireability-06 finished in 3503 ms.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202505121319/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!((F(p0) U (X(X(F((X(p3)&&p2))))&&p1)))'
Support contains 4 out of 953 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 953/953 places, 702/702 transitions.
Applied a total of 0 rules in 20 ms. Remains 953 /953 variables (removed 0) and now considering 702/702 (removed 0) transitions.
// Phase 1: matrix 702 rows 953 cols
[2025-06-05 22:54:31] [INFO ] Computed 451 invariants in 2 ms
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-05 22:54:32] [INFO ] Implicit Places using invariants in 510 ms returned []
[2025-06-05 22:54:32] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-05 22:54:32] [INFO ] Implicit Places using invariants and state equation in 961 ms returned []
Implicit Place search using SMT with State Equation took 1472 ms to find 0 implicit places.
Running 701 sub problems to find dead transitions.
[2025-06-05 22:54:33] [INFO ] Invariant cache hit.
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/952 variables, 952/952 constraints. Problems are: Problem set: 0 solved, 701 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/952 variables, 0/952 constraints. Problems are: Problem set: 0 solved, 701 unsolved
At refinement iteration 2 (OVERLAPS) 1/953 variables, 451/1403 constraints. Problems are: Problem set: 0 solved, 701 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/953 variables, 1/1404 constraints. Problems are: Problem set: 0 solved, 701 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Real declared 953/1655 variables, and 1404 constraints, problems are : Problem set: 0 solved, 701 unsolved in 30018 ms.
Refiners :[Domain max(s): 953/953 constraints, Positive P Invariants (semi-flows): 451/451 constraints, State Equation: 0/953 constraints, PredecessorRefiner: 701/701 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 701 unsolved
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/952 variables, 952/952 constraints. Problems are: Problem set: 0 solved, 701 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/952 variables, 0/952 constraints. Problems are: Problem set: 0 solved, 701 unsolved
At refinement iteration 2 (OVERLAPS) 1/953 variables, 451/1403 constraints. Problems are: Problem set: 0 solved, 701 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/953 variables, 1/1404 constraints. Problems are: Problem set: 0 solved, 701 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 953/1655 variables, and 1404 constraints, problems are : Problem set: 0 solved, 701 unsolved in 30017 ms.
Refiners :[Domain max(s): 953/953 constraints, Positive P Invariants (semi-flows): 451/451 constraints, State Equation: 0/953 constraints, PredecessorRefiner: 0/701 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 60187ms problems are : Problem set: 0 solved, 701 unsolved
Search for dead transitions found 0 dead transitions in 60189ms
Finished structural reductions in LTL mode , in 1 iterations and 61688 ms. Remains : 953/953 places, 702/702 transitions.
Stuttering acceptance computed with spot in 236 ms :[(OR (NOT p1) (NOT p2) (NOT p3)), (NOT p0), (OR (NOT p2) (NOT p3)), (OR (NOT p2) (NOT p3)), (NOT p3)]
Running random walk in product with property : ShieldIIPt-PT-050A-LTLFireability-08
Product exploration explored 100000 steps with 12 reset in 755 ms.
Stack based approach found an accepted trace after 153 steps with 0 reset with depth 154 and stack size 154 in 2 ms.
FORMULA ShieldIIPt-PT-050A-LTLFireability-08 FALSE TECHNIQUES STACK_TEST
Treatment of property ShieldIIPt-PT-050A-LTLFireability-08 finished in 62706 ms.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202505121319/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!((X(X(F(p0))) U p1))'
Support contains 6 out of 953 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 953/953 places, 702/702 transitions.
Applied a total of 0 rules in 20 ms. Remains 953 /953 variables (removed 0) and now considering 702/702 (removed 0) transitions.
[2025-06-05 22:55:34] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-05 22:55:34] [INFO ] Implicit Places using invariants in 505 ms returned []
[2025-06-05 22:55:34] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-05 22:55:35] [INFO ] Implicit Places using invariants and state equation in 930 ms returned []
Implicit Place search using SMT with State Equation took 1437 ms to find 0 implicit places.
Running 701 sub problems to find dead transitions.
[2025-06-05 22:55:35] [INFO ] Invariant cache hit.
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/952 variables, 952/952 constraints. Problems are: Problem set: 0 solved, 701 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/952 variables, 0/952 constraints. Problems are: Problem set: 0 solved, 701 unsolved
At refinement iteration 2 (OVERLAPS) 1/953 variables, 451/1403 constraints. Problems are: Problem set: 0 solved, 701 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/953 variables, 1/1404 constraints. Problems are: Problem set: 0 solved, 701 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Real declared 953/1655 variables, and 1404 constraints, problems are : Problem set: 0 solved, 701 unsolved in 30017 ms.
Refiners :[Domain max(s): 953/953 constraints, Positive P Invariants (semi-flows): 451/451 constraints, State Equation: 0/953 constraints, PredecessorRefiner: 701/701 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 701 unsolved
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/952 variables, 952/952 constraints. Problems are: Problem set: 0 solved, 701 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/952 variables, 0/952 constraints. Problems are: Problem set: 0 solved, 701 unsolved
At refinement iteration 2 (OVERLAPS) 1/953 variables, 451/1403 constraints. Problems are: Problem set: 0 solved, 701 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/953 variables, 1/1404 constraints. Problems are: Problem set: 0 solved, 701 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 953/1655 variables, and 1404 constraints, problems are : Problem set: 0 solved, 701 unsolved in 30015 ms.
Refiners :[Domain max(s): 953/953 constraints, Positive P Invariants (semi-flows): 451/451 constraints, State Equation: 0/953 constraints, PredecessorRefiner: 0/701 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 60204ms problems are : Problem set: 0 solved, 701 unsolved
Search for dead transitions found 0 dead transitions in 60205ms
Finished structural reductions in LTL mode , in 1 iterations and 61664 ms. Remains : 953/953 places, 702/702 transitions.
Stuttering acceptance computed with spot in 106 ms :[(NOT p1), (NOT p0), (OR (NOT p1) (NOT p0))]
Running random walk in product with property : ShieldIIPt-PT-050A-LTLFireability-10
Product exploration explored 100000 steps with 0 reset in 712 ms.
Stack based approach found an accepted trace after 4 steps with 0 reset with depth 5 and stack size 5 in 0 ms.
FORMULA ShieldIIPt-PT-050A-LTLFireability-10 FALSE TECHNIQUES STACK_TEST
Treatment of property ShieldIIPt-PT-050A-LTLFireability-10 finished in 62507 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(F(!p0))||(F(!p0)&&G(p1)))))'
Support contains 6 out of 953 places. Attempting structural reductions.
Starting structural reductions in SI_LTL mode, iteration 0 : 953/953 places, 702/702 transitions.
Performed 1 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 0 with 1 Pre rules applied. Total rules applied 0 place count 953 transition count 701
Deduced a syphon composed of 1 places in 2 ms
Reduce places removed 1 places and 0 transitions.
Iterating global reduction 0 with 2 rules applied. Total rules applied 2 place count 952 transition count 701
Applied a total of 2 rules in 30 ms. Remains 952 /953 variables (removed 1) and now considering 701/702 (removed 1) transitions.
// Phase 1: matrix 701 rows 952 cols
[2025-06-05 22:56:36] [INFO ] Computed 451 invariants in 2 ms
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-05 22:56:37] [INFO ] Implicit Places using invariants in 472 ms returned [943]
Discarding 1 places :
Implicit Place search using SMT only with invariants took 473 ms to find 1 implicit places.
Starting structural reductions in SI_LTL mode, iteration 1 : 951/953 places, 701/702 transitions.
Applied a total of 0 rules in 21 ms. Remains 951 /951 variables (removed 0) and now considering 701/701 (removed 0) transitions.
Finished structural reductions in SI_LTL mode , in 2 iterations and 525 ms. Remains : 951/953 places, 701/702 transitions.
Stuttering acceptance computed with spot in 102 ms :[p0, (AND (NOT p1) p0), p0]
Running random walk in product with property : ShieldIIPt-PT-050A-LTLFireability-11
Product exploration explored 100000 steps with 0 reset in 733 ms.
Product exploration explored 100000 steps with 0 reset in 974 ms.
Computed a total of 1 stabilizing places and 1 stable transitions
Computed a total of 1 stabilizing places and 1 stable transitions
Knowledge obtained : [(AND p1 (NOT p0)), (X (NOT (AND p0 (NOT p1)))), (X p1), (X (NOT p0)), (X (X (NOT (AND p0 (NOT p1))))), (X (X p1)), (X (X (NOT p0)))]
False Knowledge obtained : []
Knowledge based reduction with 7 factoid took 92 ms. Reduced automaton from 3 states, 7 edges and 2 AP (stutter insensitive) to 3 states, 7 edges and 2 AP (stutter insensitive).
Stuttering acceptance computed with spot in 107 ms :[p0, (AND (NOT p1) p0), p0]
Reduction of identical properties reduced properties to check from 3 to 2
RANDOM walk for 40000 steps (8 resets) in 385 ms. (103 steps per ms) remains 1/2 properties
BEST_FIRST walk for 40003 steps (8 resets) in 231 ms. (172 steps per ms) remains 1/1 properties
// Phase 1: matrix 701 rows 951 cols
[2025-06-05 22:56:39] [INFO ] Computed 450 invariants in 2 ms
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
All remaining problems are real, not stopping.
At refinement iteration 0 (INCLUDED_ONLY) 0/6 variables, 6/6 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/6 variables, 0/6 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (OVERLAPS) 11/17 variables, 7/13 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/17 variables, 11/24 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/17 variables, 0/24 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (OVERLAPS) 934/951 variables, 443/467 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/951 variables, 934/1401 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/951 variables, 0/1401 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (OVERLAPS) 701/1652 variables, 951/2352 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/1652 variables, 0/2352 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (OVERLAPS) 0/1652 variables, 0/2352 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Real declared 1652/1652 variables, and 2352 constraints, problems are : Problem set: 0 solved, 1 unsolved in 397 ms.
Refiners :[Domain max(s): 951/951 constraints, Positive P Invariants (semi-flows): 450/450 constraints, State Equation: 951/951 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, 6/6 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/6 variables, 0/6 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (OVERLAPS) 11/17 variables, 7/13 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/17 variables, 11/24 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/17 variables, 0/24 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (OVERLAPS) 934/951 variables, 443/467 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/951 variables, 934/1401 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/951 variables, 0/1401 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (OVERLAPS) 701/1652 variables, 951/2352 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/1652 variables, 1/2353 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/1652 variables, 0/2353 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 11 (OVERLAPS) 0/1652 variables, 0/2353 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Int declared 1652/1652 variables, and 2353 constraints, problems are : Problem set: 0 solved, 1 unsolved in 698 ms.
Refiners :[Domain max(s): 951/951 constraints, Positive P Invariants (semi-flows): 450/450 constraints, State Equation: 951/951 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 1109ms problems are : Problem set: 0 solved, 1 unsolved
Finished Parikh walk after 26503 steps, including 430 resets, run visited all 1 properties in 223 ms. (steps per millisecond=118 )
Parikh walk visited 1 properties in 222 ms.
Knowledge obtained : [(AND p1 (NOT p0)), (X (NOT (AND p0 (NOT p1)))), (X p1), (X (NOT p0)), (X (X (NOT (AND p0 (NOT p1))))), (X (X p1)), (X (X (NOT p0)))]
False Knowledge obtained : [(F (NOT (OR p1 (NOT p0)))), (F p0), (F (NOT p1))]
Knowledge based reduction with 7 factoid took 190 ms. Reduced automaton from 3 states, 7 edges and 2 AP (stutter insensitive) to 3 states, 7 edges and 2 AP (stutter insensitive).
Stuttering acceptance computed with spot in 107 ms :[p0, (AND (NOT p1) p0), p0]
Stuttering acceptance computed with spot in 119 ms :[p0, (AND (NOT p1) p0), p0]
Support contains 6 out of 951 places. Attempting structural reductions.
Starting structural reductions in SI_LTL mode, iteration 0 : 951/951 places, 701/701 transitions.
Applied a total of 0 rules in 30 ms. Remains 951 /951 variables (removed 0) and now considering 701/701 (removed 0) transitions.
[2025-06-05 22:56:41] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-05 22:56:41] [INFO ] Implicit Places using invariants in 464 ms returned []
[2025-06-05 22:56:41] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-05 22:56:42] [INFO ] Implicit Places using invariants and state equation in 877 ms returned []
Implicit Place search using SMT with State Equation took 1344 ms to find 0 implicit places.
Starting Z3 with timeout 200.0 s and query timeout 20000.0 ms
[2025-06-05 22:56:42] [INFO ] Redundant transitions in 27 ms returned []
Running 700 sub problems to find dead transitions.
[2025-06-05 22:56:42] [INFO ] Invariant cache hit.
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/950 variables, 950/950 constraints. Problems are: Problem set: 0 solved, 700 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/950 variables, 0/950 constraints. Problems are: Problem set: 0 solved, 700 unsolved
At refinement iteration 2 (OVERLAPS) 1/951 variables, 450/1400 constraints. Problems are: Problem set: 0 solved, 700 unsolved
Error getting values : (error "ParserException while parsing response: (timeout
org.smtlib.IParser$ParserException: Unbalanced parentheses at end of input")
At refinement iteration 3 (INCLUDED_ONLY) 0/951 variables, 1/1401 constraints. Problems are: Problem set: 0 solved, 700 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Real declared 951/1652 variables, and 1401 constraints, problems are : Problem set: 0 solved, 700 unsolved in 30019 ms.
Refiners :[Domain max(s): 951/951 constraints, Positive P Invariants (semi-flows): 450/450 constraints, State Equation: 0/951 constraints, PredecessorRefiner: 700/700 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 700 unsolved
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/950 variables, 950/950 constraints. Problems are: Problem set: 0 solved, 700 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/950 variables, 0/950 constraints. Problems are: Problem set: 0 solved, 700 unsolved
At refinement iteration 2 (OVERLAPS) 1/951 variables, 450/1400 constraints. Problems are: Problem set: 0 solved, 700 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/951 variables, 1/1401 constraints. Problems are: Problem set: 0 solved, 700 unsolved
Error getting values : (error "ParserException while parsing response: (timeout
org.smtlib.IParser$ParserException: Unbalanced parentheses at end of input")
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 951/1652 variables, and 1401 constraints, problems are : Problem set: 0 solved, 700 unsolved in 30017 ms.
Refiners :[Domain max(s): 951/951 constraints, Positive P Invariants (semi-flows): 450/450 constraints, State Equation: 0/951 constraints, PredecessorRefiner: 0/700 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 60185ms problems are : Problem set: 0 solved, 700 unsolved
Search for dead transitions found 0 dead transitions in 60187ms
Finished structural reductions in SI_LTL mode , in 1 iterations and 61595 ms. Remains : 951/951 places, 701/701 transitions.
Computed a total of 1 stabilizing places and 1 stable transitions
Computed a total of 1 stabilizing places and 1 stable transitions
Knowledge obtained : [(AND p1 (NOT p0)), (X (NOT (AND (NOT p1) p0))), (X p1), (X (NOT p0)), (X (X (NOT (AND (NOT p1) p0)))), (X (X p1)), (X (X (NOT p0)))]
False Knowledge obtained : []
Knowledge based reduction with 7 factoid took 76 ms. Reduced automaton from 3 states, 7 edges and 2 AP (stutter insensitive) to 3 states, 7 edges and 2 AP (stutter insensitive).
Stuttering acceptance computed with spot in 112 ms :[p0, (AND (NOT p1) p0), p0]
Reduction of identical properties reduced properties to check from 3 to 2
RANDOM walk for 40000 steps (8 resets) in 417 ms. (95 steps per ms) remains 1/2 properties
BEST_FIRST walk for 40003 steps (8 resets) in 264 ms. (150 steps per ms) remains 1/1 properties
[2025-06-05 22:57:43] [INFO ] Invariant cache hit.
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
All remaining problems are real, not stopping.
At refinement iteration 0 (INCLUDED_ONLY) 0/6 variables, 6/6 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/6 variables, 0/6 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (OVERLAPS) 11/17 variables, 7/13 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/17 variables, 11/24 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/17 variables, 0/24 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (OVERLAPS) 934/951 variables, 443/467 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/951 variables, 934/1401 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/951 variables, 0/1401 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (OVERLAPS) 701/1652 variables, 951/2352 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/1652 variables, 0/2352 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (OVERLAPS) 0/1652 variables, 0/2352 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Real declared 1652/1652 variables, and 2352 constraints, problems are : Problem set: 0 solved, 1 unsolved in 387 ms.
Refiners :[Domain max(s): 951/951 constraints, Positive P Invariants (semi-flows): 450/450 constraints, State Equation: 951/951 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, 6/6 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/6 variables, 0/6 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (OVERLAPS) 11/17 variables, 7/13 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/17 variables, 11/24 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/17 variables, 0/24 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (OVERLAPS) 934/951 variables, 443/467 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/951 variables, 934/1401 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/951 variables, 0/1401 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (OVERLAPS) 701/1652 variables, 951/2352 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/1652 variables, 1/2353 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/1652 variables, 0/2353 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 11 (OVERLAPS) 0/1652 variables, 0/2353 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Int declared 1652/1652 variables, and 2353 constraints, problems are : Problem set: 0 solved, 1 unsolved in 700 ms.
Refiners :[Domain max(s): 951/951 constraints, Positive P Invariants (semi-flows): 450/450 constraints, State Equation: 951/951 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 1097ms problems are : Problem set: 0 solved, 1 unsolved
Parikh walk visited 0 properties in 1526 ms.
Support contains 6 out of 951 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 951/951 places, 701/701 transitions.
Partial Free-agglomeration rule applied 98 times.
Drop transitions (Partial Free agglomeration) removed 98 transitions
Iterating global reduction 0 with 98 rules applied. Total rules applied 98 place count 951 transition count 701
Applied a total of 98 rules in 38 ms. Remains 951 /951 variables (removed 0) and now considering 701/701 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 38 ms. Remains : 951/951 places, 701/701 transitions.
RANDOM walk for 40000 steps (8 resets) in 354 ms. (112 steps per ms) remains 1/1 properties
BEST_FIRST walk for 40003 steps (8 resets) in 247 ms. (161 steps per ms) remains 1/1 properties
Interrupted probabilistic random walk after 270155 steps, run timeout after 3001 ms. (steps per millisecond=90 ) properties seen :0 out of 1
Probabilistic random walk after 270155 steps, saw 261614 distinct states, run finished after 3001 ms. (steps per millisecond=90 ) properties seen :0
// Phase 1: matrix 701 rows 951 cols
[2025-06-05 22:57:49] [INFO ] Computed 450 invariants in 5 ms
[2025-06-05 22:57:49] [INFO ] State equation strengthened by 49 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, 6/6 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/6 variables, 0/6 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (OVERLAPS) 11/17 variables, 7/13 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/17 variables, 11/24 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/17 variables, 0/24 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (OVERLAPS) 934/951 variables, 443/467 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/951 variables, 934/1401 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/951 variables, 0/1401 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (OVERLAPS) 701/1652 variables, 951/2352 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/1652 variables, 49/2401 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/1652 variables, 0/2401 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 11 (OVERLAPS) 0/1652 variables, 0/2401 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Real declared 1652/1652 variables, and 2401 constraints, problems are : Problem set: 0 solved, 1 unsolved in 441 ms.
Refiners :[Domain max(s): 951/951 constraints, Positive P Invariants (semi-flows): 450/450 constraints, State Equation: 951/951 constraints, ReadFeed: 49/49 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, 6/6 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/6 variables, 0/6 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (OVERLAPS) 11/17 variables, 7/13 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/17 variables, 11/24 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/17 variables, 0/24 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (OVERLAPS) 934/951 variables, 443/467 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/951 variables, 934/1401 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/951 variables, 0/1401 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (OVERLAPS) 701/1652 variables, 951/2352 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/1652 variables, 49/2401 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/1652 variables, 1/2402 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/1652 variables, 0/2402 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 12 (OVERLAPS) 0/1652 variables, 0/2402 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Int declared 1652/1652 variables, and 2402 constraints, problems are : Problem set: 0 solved, 1 unsolved in 1008 ms.
Refiners :[Domain max(s): 951/951 constraints, Positive P Invariants (semi-flows): 450/450 constraints, State Equation: 951/951 constraints, ReadFeed: 49/49 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 1463ms problems are : Problem set: 0 solved, 1 unsolved
Finished Parikh walk after 150888 steps, including 391 resets, run visited all 1 properties in 1323 ms. (steps per millisecond=114 )
Parikh walk visited 1 properties in 1323 ms.
Knowledge obtained : [(AND p1 (NOT p0)), (X (NOT (AND (NOT p1) p0))), (X p1), (X (NOT p0)), (X (X (NOT (AND (NOT p1) p0)))), (X (X p1)), (X (X (NOT p0)))]
False Knowledge obtained : [(F (NOT (OR p1 (NOT p0)))), (F p0), (F (NOT p1))]
Knowledge based reduction with 7 factoid took 166 ms. Reduced automaton from 3 states, 7 edges and 2 AP (stutter insensitive) to 3 states, 7 edges and 2 AP (stutter insensitive).
Stuttering acceptance computed with spot in 113 ms :[p0, (AND (NOT p1) p0), p0]
Stuttering acceptance computed with spot in 123 ms :[p0, (AND (NOT p1) p0), p0]
Stuttering acceptance computed with spot in 110 ms :[p0, (AND (NOT p1) p0), p0]
Product exploration explored 100000 steps with 0 reset in 743 ms.
Product exploration explored 100000 steps with 0 reset in 978 ms.
Built C files in :
/tmp/ltsmin468159076459103492
[2025-06-05 22:57:54] [INFO ] Computing symmetric may disable matrix : 701 transitions.
[2025-06-05 22:57:54] [INFO ] Computation of Complete disable matrix. took 3 ms. Total solver calls (SAT/UNSAT): 0(0/0)
[2025-06-05 22:57:54] [INFO ] Computing symmetric may enable matrix : 701 transitions.
[2025-06-05 22:57:54] [INFO ] Computation of Complete enable matrix. took 2 ms. Total solver calls (SAT/UNSAT): 0(0/0)
[2025-06-05 22:57:54] [INFO ] Computing Do-Not-Accords matrix : 701 transitions.
[2025-06-05 22:57:54] [INFO ] Computation of Completed DNA matrix. took 17 ms. Total solver calls (SAT/UNSAT): 0(0/0)
[2025-06-05 22:57:54] [INFO ] Built C files in 148ms conformant to PINS (ltsmin variant)in folder :/tmp/ltsmin468159076459103492
Running compilation step : cd /tmp/ltsmin468159076459103492;'/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 1846 ms.
Running link step : cd /tmp/ltsmin468159076459103492;'gcc' '-shared' '-o' 'gal.so' 'model.o'
Link finished in 47 ms.
Running LTSmin : cd /tmp/ltsmin468159076459103492;'/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/stateBased4060541720858176675.hoa' '--buchi-type=spotba'
WARNING : LTS min runner thread was asked to interrupt. Dying gracefully.
Support contains 6 out of 951 places. Attempting structural reductions.
Starting structural reductions in SI_LTL mode, iteration 0 : 951/951 places, 701/701 transitions.
Applied a total of 0 rules in 25 ms. Remains 951 /951 variables (removed 0) and now considering 701/701 (removed 0) transitions.
// Phase 1: matrix 701 rows 951 cols
[2025-06-05 22:58:09] [INFO ] Computed 450 invariants in 14 ms
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-05 22:58:09] [INFO ] Implicit Places using invariants in 517 ms returned []
[2025-06-05 22:58:09] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-05 22:58:10] [INFO ] Implicit Places using invariants and state equation in 933 ms returned []
Implicit Place search using SMT with State Equation took 1456 ms to find 0 implicit places.
Starting Z3 with timeout 200.0 s and query timeout 20000.0 ms
[2025-06-05 22:58:10] [INFO ] Redundant transitions in 9 ms returned []
Running 700 sub problems to find dead transitions.
[2025-06-05 22:58:10] [INFO ] Invariant cache hit.
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/950 variables, 950/950 constraints. Problems are: Problem set: 0 solved, 700 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/950 variables, 0/950 constraints. Problems are: Problem set: 0 solved, 700 unsolved
At refinement iteration 2 (OVERLAPS) 1/951 variables, 450/1400 constraints. Problems are: Problem set: 0 solved, 700 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/951 variables, 1/1401 constraints. Problems are: Problem set: 0 solved, 700 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Real declared 951/1652 variables, and 1401 constraints, problems are : Problem set: 0 solved, 700 unsolved in 30022 ms.
Refiners :[Domain max(s): 951/951 constraints, Positive P Invariants (semi-flows): 450/450 constraints, State Equation: 0/951 constraints, PredecessorRefiner: 700/700 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 700 unsolved
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/950 variables, 950/950 constraints. Problems are: Problem set: 0 solved, 700 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/950 variables, 0/950 constraints. Problems are: Problem set: 0 solved, 700 unsolved
At refinement iteration 2 (OVERLAPS) 1/951 variables, 450/1400 constraints. Problems are: Problem set: 0 solved, 700 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/951 variables, 1/1401 constraints. Problems are: Problem set: 0 solved, 700 unsolved
(s303 1timeout
^^^^^^^^
(error "Invalid token: 1timeout")
Error getting values : (error "ParserException while parsing response: ((s0 0)
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) org.smtlib.IParser$ParserException: Unbalanced parentheses at end of input")
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 951/1652 variables, and 1401 constraints, problems are : Problem set: 0 solved, 700 unsolved in 30024 ms.
Refiners :[Domain max(s): 951/951 constraints, Positive P Invariants (semi-flows): 450/450 constraints, State Equation: 0/951 constraints, PredecessorRefiner: 0/700 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 60200ms problems are : Problem set: 0 solved, 700 unsolved
Search for dead transitions found 0 dead transitions in 60201ms
Finished structural reductions in SI_LTL mode , in 1 iterations and 61699 ms. Remains : 951/951 places, 701/701 transitions.
Built C files in :
/tmp/ltsmin8778047192846668841
[2025-06-05 22:59:10] [INFO ] Computing symmetric may disable matrix : 701 transitions.
[2025-06-05 22:59:10] [INFO ] Computation of Complete disable matrix. took 2 ms. Total solver calls (SAT/UNSAT): 0(0/0)
[2025-06-05 22:59:10] [INFO ] Computing symmetric may enable matrix : 701 transitions.
[2025-06-05 22:59:10] [INFO ] Computation of Complete enable matrix. took 2 ms. Total solver calls (SAT/UNSAT): 0(0/0)
[2025-06-05 22:59:11] [INFO ] Computing Do-Not-Accords matrix : 701 transitions.
[2025-06-05 22:59:11] [INFO ] Computation of Completed DNA matrix. took 5 ms. Total solver calls (SAT/UNSAT): 0(0/0)
[2025-06-05 22:59:11] [INFO ] Built C files in 108ms conformant to PINS (ltsmin variant)in folder :/tmp/ltsmin8778047192846668841
Running compilation step : cd /tmp/ltsmin8778047192846668841;'/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 1860 ms.
Running link step : cd /tmp/ltsmin8778047192846668841;'gcc' '-shared' '-o' 'gal.so' 'model.o'
Link finished in 51 ms.
Running LTSmin : cd /tmp/ltsmin8778047192846668841;'/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/stateBased13372304124419842753.hoa' '--buchi-type=spotba'
WARNING : LTS min runner thread was asked to interrupt. Dying gracefully.
[2025-06-05 22:59:26] [INFO ] Flatten gal took : 191 ms
[2025-06-05 22:59:26] [INFO ] Flatten gal took : 55 ms
[2025-06-05 22:59:26] [INFO ] Time to serialize gal into /tmp/LTL9045814300631029444.gal : 14 ms
[2025-06-05 22:59:26] [INFO ] Time to serialize properties into /tmp/LTL10983533538090316055.prop : 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/LTL9045814300631029444.gal' '-t' 'CGAL' '-hoa' '/tmp/aut2483688714288443776.hoa' '-atoms' '/tmp/LTL10983533538090316055.prop' '-c' '-stutter-deadlock' '--gen-order' 'FOLLOW'
its-ltl command run as :
/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202505121319/bin/its-ltl-linux64 --gc-threshold 2000000 -i /tmp/L...318
Loading property file /tmp/LTL10983533538090316055.prop.
Loaded 2 atomic propositions.
Checking formula 0 provided in automaton : /tmp/aut2483688714288443776.hoa
Reverse transition relation is exact ! Faster fixpoint algorithm enabled.
Detected timeout of ITS tools.
[2025-06-05 22:59:41] [INFO ] Flatten gal took : 39 ms
[2025-06-05 22:59:41] [INFO ] Flatten gal took : 40 ms
[2025-06-05 22:59:41] [INFO ] Time to serialize gal into /tmp/LTL6922725138883448415.gal : 5 ms
[2025-06-05 22:59:41] [INFO ] Time to serialize properties into /tmp/LTL1695573073055818621.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/LTL6922725138883448415.gal' '-t' 'CGAL' '-LTL' '/tmp/LTL1695573073055818621.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(F("(((((p937==0)||(p946==0))&&(p265==0))||(p721==0))||((p613==0)||(p624==0)))")))||((F("(((((p937==0)||(p946==0))&&(p265==0))|...216
Formula 0 simplified : G(FG!"(((((p937==0)||(p946==0))&&(p265==0))||(p721==0))||((p613==0)||(p624==0)))" & (G!"(((((p937==0)||(p946==0))&&(p265==0))||(p721...204
Reverse transition relation is exact ! Faster fixpoint algorithm enabled.
Detected timeout of ITS tools.
[2025-06-05 22:59:56] [INFO ] Flatten gal took : 38 ms
[2025-06-05 22:59:56] [INFO ] Applying decomposition
[2025-06-05 22:59:56] [INFO ] Flatten gal took : 36 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/graph18396641434195429311.txt' '-o' '/tmp/graph18396641434195429311.bin' '-w' '/tmp/graph18396641434195429311.weights'
Built communities with : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.louvain.binaries_1.0.0.202505121319/bin/louvain-linux64' '/tmp/graph18396641434195429311.bin' '-l' '-1' '-v' '-w' '/tmp/graph18396641434195429311.weights' '-q' '0' '-e' '0.001'
[2025-06-05 22:59:56] [INFO ] Decomposing Gal with order
[2025-06-05 22:59:56] [INFO ] Rewriting arrays to variables to allow decomposition.
[2025-06-05 22:59:56] [INFO ] Removed a total of 150 redundant transitions.
[2025-06-05 22:59:56] [INFO ] Flatten gal took : 93 ms
[2025-06-05 22:59:57] [INFO ] Fuse similar labels procedure discarded/fused a total of 0 labels/synchronizations in 55 ms.
[2025-06-05 22:59:57] [INFO ] Time to serialize gal into /tmp/LTL5691672385683454856.gal : 17 ms
[2025-06-05 22:59:57] [INFO ] Time to serialize properties into /tmp/LTL12116302834614237543.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/LTL5691672385683454856.gal' '-t' 'CGAL' '-LTL' '/tmp/LTL12116302834614237543.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 : !((F((G(F("(((((i27.i1.i1.u394.p937==0)||(i27.i1.i1.u396.p946==0))&&(i7.u111.p265==0))||(i20.i1.i0.u303.p721==0))||((i18.i0.i2.u258.p6...397
Formula 0 simplified : G(FG!"(((((i27.i1.i1.u394.p937==0)||(i27.i1.i1.u396.p946==0))&&(i7.u111.p265==0))||(i20.i1.i0.u303.p721==0))||((i18.i0.i2.u258.p613=...385
Reverse transition relation is exact ! Faster fixpoint algorithm enabled.
7 unique states visited
7 strongly connected components in search stack
9 transitions explored
7 items max in DFS search stack
176 ticks for the emptiness check
Model ,|S| ,Time ,Mem(kb) ,fin. SDD ,fin. DDD ,peak SDD ,peak DDD ,SDD Hom ,SDD cache peak ,DDD Hom ,DDD cachepeak ,SHom cache
STATS,0,1.87933,77796,1,0,116685,512,4062,306676,119,2834,116752
an accepting run exists (use option '-e' to print it)
Formula 0 is FALSE accepting run found.
FORMULA ShieldIIPt-PT-050A-LTLFireability-11 FALSE TECHNIQUES DECISION_DIAGRAMS TOPOLOGICAL USE_NUPN
Treatment of property ShieldIIPt-PT-050A-LTLFireability-11 finished in 202480 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(p1))))'
Support contains 4 out of 953 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 953/953 places, 702/702 transitions.
Applied a total of 0 rules in 20 ms. Remains 953 /953 variables (removed 0) and now considering 702/702 (removed 0) transitions.
// Phase 1: matrix 702 rows 953 cols
[2025-06-05 22:59:59] [INFO ] Computed 451 invariants in 7 ms
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-05 22:59:59] [INFO ] Implicit Places using invariants in 519 ms returned []
[2025-06-05 22:59:59] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-05 23:00:00] [INFO ] Implicit Places using invariants and state equation in 958 ms returned []
Implicit Place search using SMT with State Equation took 1480 ms to find 0 implicit places.
Running 701 sub problems to find dead transitions.
[2025-06-05 23:00:00] [INFO ] Invariant cache hit.
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/952 variables, 952/952 constraints. Problems are: Problem set: 0 solved, 701 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/952 variables, 0/952 constraints. Problems are: Problem set: 0 solved, 701 unsolved
At refinement iteration 2 (OVERLAPS) 1/953 variables, 451/1403 constraints. Problems are: Problem set: 0 solved, 701 unsolved
Error getting values : (error "ParserException while parsing response: ((s0 0.0)
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org.smtlib.IParser$ParserException: Unbalanced parentheses at end of input")
At refinement iteration 3 (INCLUDED_ONLY) 0/953 variables, 1/1404 constraints. Problems are: Problem set: 0 solved, 701 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Real declared 953/1655 variables, and 1404 constraints, problems are : Problem set: 0 solved, 701 unsolved in 30024 ms.
Refiners :[Domain max(s): 953/953 constraints, Positive P Invariants (semi-flows): 451/451 constraints, State Equation: 0/953 constraints, PredecessorRefiner: 701/701 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 701 unsolved
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/952 variables, 952/952 constraints. Problems are: Problem set: 0 solved, 701 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/952 variables, 0/952 constraints. Problems are: Problem set: 0 solved, 701 unsolved
At refinement iteration 2 (OVERLAPS) 1/953 variables, 451/1403 constraints. Problems are: Problem set: 0 solved, 701 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/953 variables, 1/1404 constraints. Problems are: Problem set: 0 solved, 701 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 953/1655 variables, and 1404 constraints, problems are : Problem set: 0 solved, 701 unsolved in 30021 ms.
Refiners :[Domain max(s): 953/953 constraints, Positive P Invariants (semi-flows): 451/451 constraints, State Equation: 0/953 constraints, PredecessorRefiner: 0/701 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 60204ms problems are : Problem set: 0 solved, 701 unsolved
Search for dead transitions found 0 dead transitions in 60205ms
Finished structural reductions in LTL mode , in 1 iterations and 61707 ms. Remains : 953/953 places, 702/702 transitions.
Stuttering acceptance computed with spot in 163 ms :[(OR (NOT p0) (NOT p1)), (OR (NOT p1) (NOT p0)), (NOT p0), (NOT p1), true]
Running random walk in product with property : ShieldIIPt-PT-050A-LTLFireability-12
Entered a terminal (fully accepting) state of product in 2 steps with 0 reset in 0 ms.
FORMULA ShieldIIPt-PT-050A-LTLFireability-12 FALSE TECHNIQUES STUTTER_TEST
Treatment of property ShieldIIPt-PT-050A-LTLFireability-12 finished in 61896 ms.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202505121319/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!(G(F(p0)))'
Support contains 2 out of 953 places. Attempting structural reductions.
Starting structural reductions in SI_LTL mode, iteration 0 : 953/953 places, 702/702 transitions.
Performed 1 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 0 with 1 Pre rules applied. Total rules applied 0 place count 953 transition count 701
Deduced a syphon composed of 1 places in 1 ms
Reduce places removed 1 places and 0 transitions.
Iterating global reduction 0 with 2 rules applied. Total rules applied 2 place count 952 transition count 701
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 4 place count 951 transition count 700
Applied a total of 4 rules in 49 ms. Remains 951 /953 variables (removed 2) and now considering 700/702 (removed 2) transitions.
// Phase 1: matrix 700 rows 951 cols
[2025-06-05 23:01:01] [INFO ] Computed 451 invariants in 3 ms
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-05 23:01:01] [INFO ] Implicit Places using invariants in 478 ms returned [943, 944]
Discarding 2 places :
Implicit Place search using SMT only with invariants took 479 ms to find 2 implicit places.
Starting structural reductions in SI_LTL mode, iteration 1 : 949/953 places, 700/702 transitions.
Performed 1 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 0 with 1 Pre rules applied. Total rules applied 0 place count 949 transition count 699
Deduced a syphon composed of 1 places in 1 ms
Reduce places removed 1 places and 0 transitions.
Iterating global reduction 0 with 2 rules applied. Total rules applied 2 place count 948 transition count 699
Applied a total of 2 rules in 24 ms. Remains 948 /949 variables (removed 1) and now considering 699/700 (removed 1) transitions.
// Phase 1: matrix 699 rows 948 cols
[2025-06-05 23:01:01] [INFO ] Computed 449 invariants in 3 ms
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-05 23:01:02] [INFO ] Implicit Places using invariants in 447 ms returned [937]
Discarding 1 places :
Implicit Place search using SMT only with invariants took 450 ms to find 1 implicit places.
Starting structural reductions in SI_LTL mode, iteration 2 : 947/953 places, 699/702 transitions.
Performed 1 Post agglomeration using F-continuation condition.Transition count delta: 1
Deduced a syphon composed of 1 places in 1 ms
Reduce places removed 1 places and 0 transitions.
Iterating global reduction 0 with 2 rules applied. Total rules applied 2 place count 946 transition count 698
Applied a total of 2 rules in 48 ms. Remains 946 /947 variables (removed 1) and now considering 698/699 (removed 1) transitions.
// Phase 1: matrix 698 rows 946 cols
[2025-06-05 23:01:02] [INFO ] Computed 448 invariants in 7 ms
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-05 23:01:02] [INFO ] Implicit Places using invariants in 442 ms returned []
[2025-06-05 23:01:02] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-05 23:01:03] [INFO ] Implicit Places using invariants and state equation in 900 ms returned []
Implicit Place search using SMT with State Equation took 1345 ms to find 0 implicit places.
Starting structural reductions in SI_LTL mode, iteration 3 : 946/953 places, 698/702 transitions.
Finished structural reductions in SI_LTL mode , in 3 iterations and 2396 ms. Remains : 946/953 places, 698/702 transitions.
Stuttering acceptance computed with spot in 63 ms :[(NOT p0), (NOT p0)]
Running random walk in product with property : ShieldIIPt-PT-050A-LTLFireability-13
Product exploration explored 100000 steps with 0 reset in 782 ms.
Stack based approach found an accepted trace after 10 steps with 0 reset with depth 11 and stack size 11 in 1 ms.
FORMULA ShieldIIPt-PT-050A-LTLFireability-13 FALSE TECHNIQUES STACK_TEST
Treatment of property ShieldIIPt-PT-050A-LTLFireability-13 finished in 3256 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((F(p1)||p0))))'
Support contains 6 out of 953 places. Attempting structural reductions.
Starting structural reductions in SI_LTL mode, iteration 0 : 953/953 places, 702/702 transitions.
Performed 1 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 0 with 1 Pre rules applied. Total rules applied 0 place count 953 transition count 701
Deduced a syphon composed of 1 places in 1 ms
Reduce places removed 1 places and 0 transitions.
Iterating global reduction 0 with 2 rules applied. Total rules applied 2 place count 952 transition count 701
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 4 place count 951 transition count 700
Applied a total of 4 rules in 44 ms. Remains 951 /953 variables (removed 2) and now considering 700/702 (removed 2) transitions.
// Phase 1: matrix 700 rows 951 cols
[2025-06-05 23:01:04] [INFO ] Computed 451 invariants in 5 ms
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-05 23:01:04] [INFO ] Implicit Places using invariants in 482 ms returned [943, 944]
Discarding 2 places :
Implicit Place search using SMT only with invariants took 492 ms to find 2 implicit places.
Starting structural reductions in SI_LTL mode, iteration 1 : 949/953 places, 700/702 transitions.
Performed 1 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 0 with 1 Pre rules applied. Total rules applied 0 place count 949 transition count 699
Deduced a syphon composed of 1 places in 1 ms
Reduce places removed 1 places and 0 transitions.
Iterating global reduction 0 with 2 rules applied. Total rules applied 2 place count 948 transition count 699
Applied a total of 2 rules in 26 ms. Remains 948 /949 variables (removed 1) and now considering 699/700 (removed 1) transitions.
// Phase 1: matrix 699 rows 948 cols
[2025-06-05 23:01:04] [INFO ] Computed 449 invariants in 4 ms
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-05 23:01:05] [INFO ] Implicit Places using invariants in 489 ms returned [937]
Discarding 1 places :
Implicit Place search using SMT only with invariants took 491 ms to find 1 implicit places.
Starting structural reductions in SI_LTL mode, iteration 2 : 947/953 places, 699/702 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 2 place count 946 transition count 698
Applied a total of 2 rules in 36 ms. Remains 946 /947 variables (removed 1) and now considering 698/699 (removed 1) transitions.
// Phase 1: matrix 698 rows 946 cols
[2025-06-05 23:01:05] [INFO ] Computed 448 invariants in 4 ms
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-05 23:01:05] [INFO ] Implicit Places using invariants in 444 ms returned []
[2025-06-05 23:01:05] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-05 23:01:06] [INFO ] Implicit Places using invariants and state equation in 924 ms returned []
Implicit Place search using SMT with State Equation took 1370 ms to find 0 implicit places.
Starting structural reductions in SI_LTL mode, iteration 3 : 946/953 places, 698/702 transitions.
Finished structural reductions in SI_LTL mode , in 3 iterations and 2460 ms. Remains : 946/953 places, 698/702 transitions.
Stuttering acceptance computed with spot in 63 ms :[(AND (NOT p0) (NOT p1)), (AND (NOT p0) (NOT p1))]
Running random walk in product with property : ShieldIIPt-PT-050A-LTLFireability-14
Product exploration explored 100000 steps with 0 reset in 812 ms.
Product exploration explored 100000 steps with 0 reset in 1022 ms.
Computed a total of 1 stabilizing places and 1 stable transitions
Computed a total of 1 stabilizing places and 1 stable transitions
Knowledge obtained : [(AND p0 (NOT p1)), (X (AND p0 (NOT p1))), (X (NOT (AND (NOT p0) (NOT p1)))), (X p0), (X (NOT p1)), (X (X (AND p0 (NOT p1)))), (X (X (NOT (AND (NOT p0) (NOT p1))))), (X (X p0)), (X (X (NOT p1)))]
False Knowledge obtained : []
Knowledge based reduction with 9 factoid took 86 ms. Reduced automaton from 2 states, 4 edges and 2 AP (stutter insensitive) to 2 states, 4 edges and 2 AP (stutter insensitive).
Stuttering acceptance computed with spot in 61 ms :[(AND (NOT p0) (NOT p1)), (AND (NOT p0) (NOT p1))]
RANDOM walk for 40000 steps (8 resets) in 481 ms. (82 steps per ms) remains 4/4 properties
BEST_FIRST walk for 40004 steps (8 resets) in 266 ms. (149 steps per ms) remains 4/4 properties
BEST_FIRST walk for 40003 steps (8 resets) in 278 ms. (143 steps per ms) remains 4/4 properties
BEST_FIRST walk for 40004 steps (8 resets) in 259 ms. (153 steps per ms) remains 4/4 properties
BEST_FIRST walk for 40003 steps (8 resets) in 269 ms. (148 steps per ms) remains 4/4 properties
Finished probabilistic random walk after 70225 steps, run visited all 4 properties in 964 ms. (steps per millisecond=72 )
Probabilistic random walk after 70225 steps, saw 69212 distinct states, run finished after 965 ms. (steps per millisecond=72 ) properties seen :4
Knowledge obtained : [(AND p0 (NOT p1)), (X (AND p0 (NOT p1))), (X (NOT (AND (NOT p0) (NOT p1)))), (X p0), (X (NOT p1)), (X (X (AND p0 (NOT p1)))), (X (X (NOT (AND (NOT p0) (NOT p1))))), (X (X p0)), (X (X (NOT p1)))]
False Knowledge obtained : [(F p1), (F (NOT (AND p0 (NOT p1)))), (F (NOT p0)), (F (NOT (OR p0 p1)))]
Knowledge based reduction with 9 factoid took 242 ms. Reduced automaton from 2 states, 4 edges and 2 AP (stutter insensitive) to 2 states, 4 edges and 2 AP (stutter insensitive).
Stuttering acceptance computed with spot in 70 ms :[(AND (NOT p0) (NOT p1)), (AND (NOT p0) (NOT p1))]
Stuttering acceptance computed with spot in 77 ms :[(AND (NOT p0) (NOT p1)), (AND (NOT p0) (NOT p1))]
Support contains 6 out of 946 places. Attempting structural reductions.
Starting structural reductions in SI_LTL mode, iteration 0 : 946/946 places, 698/698 transitions.
Applied a total of 0 rules in 31 ms. Remains 946 /946 variables (removed 0) and now considering 698/698 (removed 0) transitions.
[2025-06-05 23:01:10] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-05 23:01:11] [INFO ] Implicit Places using invariants in 470 ms returned []
[2025-06-05 23:01:11] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-05 23:01:12] [INFO ] Implicit Places using invariants and state equation in 971 ms returned []
Implicit Place search using SMT with State Equation took 1442 ms to find 0 implicit places.
Starting Z3 with timeout 200.0 s and query timeout 20000.0 ms
[2025-06-05 23:01:12] [INFO ] Redundant transitions in 6 ms returned []
Running 697 sub problems to find dead transitions.
[2025-06-05 23:01:12] [INFO ] Invariant cache hit.
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/945 variables, 945/945 constraints. Problems are: Problem set: 0 solved, 697 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/945 variables, 0/945 constraints. Problems are: Problem set: 0 solved, 697 unsolved
At refinement iteration 2 (OVERLAPS) 1/946 variables, 448/1393 constraints. Problems are: Problem set: 0 solved, 697 unsolved
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(s457 timeout
1.0)
(s458 org.smtlib.IParser$ParserException: Unbalanced parentheses at end of input")
At refinement iteration 3 (INCLUDED_ONLY) 0/946 variables, 1/1394 constraints. Problems are: Problem set: 0 solved, 697 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Real declared 946/1644 variables, and 1394 constraints, problems are : Problem set: 0 solved, 697 unsolved in 30023 ms.
Refiners :[Domain max(s): 946/946 constraints, Positive P Invariants (semi-flows): 448/448 constraints, State Equation: 0/946 constraints, PredecessorRefiner: 697/697 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 697 unsolved
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/945 variables, 945/945 constraints. Problems are: Problem set: 0 solved, 697 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/945 variables, 0/945 constraints. Problems are: Problem set: 0 solved, 697 unsolved
At refinement iteration 2 (OVERLAPS) 1/946 variables, 448/1393 constraints. Problems are: Problem set: 0 solved, 697 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/946 variables, 1/1394 constraints. Problems are: Problem set: 0 solved, 697 unsolved
Error getting values : (error "ParserException while parsing response: ((s0 0)
(s1 1)
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(s123 1)
timeout
(s124 org.smtlib.IParser$ParserException: Unbalanced parentheses at end of input")
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 946/1644 variables, and 1394 constraints, problems are : Problem set: 0 solved, 697 unsolved in 30016 ms.
Refiners :[Domain max(s): 946/946 constraints, Positive P Invariants (semi-flows): 448/448 constraints, State Equation: 0/946 constraints, PredecessorRefiner: 0/697 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 60202ms problems are : Problem set: 0 solved, 697 unsolved
Search for dead transitions found 0 dead transitions in 60203ms
Finished structural reductions in SI_LTL mode , in 1 iterations and 61688 ms. Remains : 946/946 places, 698/698 transitions.
Computed a total of 1 stabilizing places and 1 stable transitions
Computed a total of 1 stabilizing places and 1 stable transitions
Knowledge obtained : [(AND p0 (NOT p1)), (X (AND p0 (NOT p1))), (X (NOT (AND (NOT p0) (NOT p1)))), (X p0), (X (NOT p1)), (X (X (AND p0 (NOT p1)))), (X (X (NOT (AND (NOT p0) (NOT p1))))), (X (X p0)), (X (X (NOT p1)))]
False Knowledge obtained : []
Knowledge based reduction with 9 factoid took 86 ms. Reduced automaton from 2 states, 4 edges and 2 AP (stutter insensitive) to 2 states, 4 edges and 2 AP (stutter insensitive).
Stuttering acceptance computed with spot in 56 ms :[(AND (NOT p0) (NOT p1)), (AND (NOT p0) (NOT p1))]
RANDOM walk for 40000 steps (8 resets) in 490 ms. (81 steps per ms) remains 4/4 properties
BEST_FIRST walk for 40004 steps (8 resets) in 316 ms. (126 steps per ms) remains 4/4 properties
BEST_FIRST walk for 40003 steps (8 resets) in 370 ms. (107 steps per ms) remains 4/4 properties
BEST_FIRST walk for 40003 steps (8 resets) in 343 ms. (116 steps per ms) remains 4/4 properties
BEST_FIRST walk for 40002 steps (8 resets) in 280 ms. (142 steps per ms) remains 4/4 properties
Finished probabilistic random walk after 70225 steps, run visited all 4 properties in 985 ms. (steps per millisecond=71 )
Probabilistic random walk after 70225 steps, saw 69212 distinct states, run finished after 986 ms. (steps per millisecond=71 ) properties seen :4
Knowledge obtained : [(AND p0 (NOT p1)), (X (AND p0 (NOT p1))), (X (NOT (AND (NOT p0) (NOT p1)))), (X p0), (X (NOT p1)), (X (X (AND p0 (NOT p1)))), (X (X (NOT (AND (NOT p0) (NOT p1))))), (X (X p0)), (X (X (NOT p1)))]
False Knowledge obtained : [(F p1), (F (NOT (AND p0 (NOT p1)))), (F (NOT p0)), (F (NOT (OR p0 p1)))]
Knowledge based reduction with 9 factoid took 236 ms. Reduced automaton from 2 states, 4 edges and 2 AP (stutter insensitive) to 2 states, 4 edges and 2 AP (stutter insensitive).
Stuttering acceptance computed with spot in 74 ms :[(AND (NOT p0) (NOT p1)), (AND (NOT p0) (NOT p1))]
Stuttering acceptance computed with spot in 64 ms :[(AND (NOT p0) (NOT p1)), (AND (NOT p0) (NOT p1))]
Stuttering acceptance computed with spot in 73 ms :[(AND (NOT p0) (NOT p1)), (AND (NOT p0) (NOT p1))]
Product exploration explored 100000 steps with 0 reset in 765 ms.
Product exploration explored 100000 steps with 0 reset in 1049 ms.
Built C files in :
/tmp/ltsmin3401702918886565216
[2025-06-05 23:02:16] [INFO ] Computing symmetric may disable matrix : 698 transitions.
[2025-06-05 23:02:16] [INFO ] Computation of Complete disable matrix. took 1 ms. Total solver calls (SAT/UNSAT): 0(0/0)
[2025-06-05 23:02:16] [INFO ] Computing symmetric may enable matrix : 698 transitions.
[2025-06-05 23:02:16] [INFO ] Computation of Complete enable matrix. took 2 ms. Total solver calls (SAT/UNSAT): 0(0/0)
[2025-06-05 23:02:16] [INFO ] Computing Do-Not-Accords matrix : 698 transitions.
[2025-06-05 23:02:16] [INFO ] Computation of Completed DNA matrix. took 13 ms. Total solver calls (SAT/UNSAT): 0(0/0)
[2025-06-05 23:02:16] [INFO ] Built C files in 137ms conformant to PINS (ltsmin variant)in folder :/tmp/ltsmin3401702918886565216
Running compilation step : cd /tmp/ltsmin3401702918886565216;'/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 1825 ms.
Running link step : cd /tmp/ltsmin3401702918886565216;'gcc' '-shared' '-o' 'gal.so' 'model.o'
Link finished in 51 ms.
Running LTSmin : cd /tmp/ltsmin3401702918886565216;'/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/stateBased18177976131122790549.hoa' '--buchi-type=spotba'
WARNING : LTS min runner thread was asked to interrupt. Dying gracefully.
Support contains 6 out of 946 places. Attempting structural reductions.
Starting structural reductions in SI_LTL mode, iteration 0 : 946/946 places, 698/698 transitions.
Applied a total of 0 rules in 32 ms. Remains 946 /946 variables (removed 0) and now considering 698/698 (removed 0) transitions.
[2025-06-05 23:02:31] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-05 23:02:32] [INFO ] Implicit Places using invariants in 480 ms returned []
[2025-06-05 23:02:32] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-05 23:02:32] [INFO ] Implicit Places using invariants and state equation in 924 ms returned []
Implicit Place search using SMT with State Equation took 1406 ms to find 0 implicit places.
Starting Z3 with timeout 200.0 s and query timeout 20000.0 ms
[2025-06-05 23:02:32] [INFO ] Redundant transitions in 5 ms returned []
Running 697 sub problems to find dead transitions.
[2025-06-05 23:02:32] [INFO ] Invariant cache hit.
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/945 variables, 945/945 constraints. Problems are: Problem set: 0 solved, 697 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/945 variables, 0/945 constraints. Problems are: Problem set: 0 solved, 697 unsolved
At refinement iteration 2 (OVERLAPS) 1/946 variables, 448/1393 constraints. Problems are: Problem set: 0 solved, 697 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/946 variables, 1/1394 constraints. Problems are: Problem set: 0 solved, 697 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Real declared 946/1644 variables, and 1394 constraints, problems are : Problem set: 0 solved, 697 unsolved in 30014 ms.
Refiners :[Domain max(s): 946/946 constraints, Positive P Invariants (semi-flows): 448/448 constraints, State Equation: 0/946 constraints, PredecessorRefiner: 697/697 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 697 unsolved
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/945 variables, 945/945 constraints. Problems are: Problem set: 0 solved, 697 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/945 variables, 0/945 constraints. Problems are: Problem set: 0 solved, 697 unsolved
At refinement iteration 2 (OVERLAPS) 1/946 variables, 448/1393 constraints. Problems are: Problem set: 0 solved, 697 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/946 variables, 1/1394 constraints. Problems are: Problem set: 0 solved, 697 unsolved
Error getting values : (error "Error writing to Z3 solver: java.io.IOException: Broken pipe")
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 946/1644 variables, and 1394 constraints, problems are : Problem set: 0 solved, 697 unsolved in 30014 ms.
Refiners :[Domain max(s): 946/946 constraints, Positive P Invariants (semi-flows): 448/448 constraints, State Equation: 0/946 constraints, PredecessorRefiner: 0/697 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 60223ms problems are : Problem set: 0 solved, 697 unsolved
Search for dead transitions found 0 dead transitions in 60225ms
Finished structural reductions in SI_LTL mode , in 1 iterations and 61675 ms. Remains : 946/946 places, 698/698 transitions.
Built C files in :
/tmp/ltsmin5217219198396185041
[2025-06-05 23:03:33] [INFO ] Computing symmetric may disable matrix : 698 transitions.
[2025-06-05 23:03:33] [INFO ] Computation of Complete disable matrix. took 2 ms. Total solver calls (SAT/UNSAT): 0(0/0)
[2025-06-05 23:03:33] [INFO ] Computing symmetric may enable matrix : 698 transitions.
[2025-06-05 23:03:33] [INFO ] Computation of Complete enable matrix. took 2 ms. Total solver calls (SAT/UNSAT): 0(0/0)
[2025-06-05 23:03:33] [INFO ] Computing Do-Not-Accords matrix : 698 transitions.
[2025-06-05 23:03:33] [INFO ] Computation of Completed DNA matrix. took 4 ms. Total solver calls (SAT/UNSAT): 0(0/0)
[2025-06-05 23:03:33] [INFO ] Built C files in 96ms conformant to PINS (ltsmin variant)in folder :/tmp/ltsmin5217219198396185041
Running compilation step : cd /tmp/ltsmin5217219198396185041;'/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 1865 ms.
Running link step : cd /tmp/ltsmin5217219198396185041;'gcc' '-shared' '-o' 'gal.so' 'model.o'
Link finished in 45 ms.
Running LTSmin : cd /tmp/ltsmin5217219198396185041;'/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/stateBased8912786488419224089.hoa' '--buchi-type=spotba'
WARNING : LTS min runner thread was asked to interrupt. Dying gracefully.
[2025-06-05 23:03:48] [INFO ] Flatten gal took : 156 ms
[2025-06-05 23:03:48] [INFO ] Flatten gal took : 75 ms
[2025-06-05 23:03:48] [INFO ] Time to serialize gal into /tmp/LTL16352726441115490333.gal : 15 ms
[2025-06-05 23:03:48] [INFO ] Time to serialize properties into /tmp/LTL296159126936227198.prop : 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/LTL16352726441115490333.gal' '-t' 'CGAL' '-hoa' '/tmp/aut14442397889231599572.hoa' '-atoms' '/tmp/LTL296159126936227198.prop' '-c' '-stutter-deadlock' '--gen-order' 'FOLLOW'
its-ltl command run as :
/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202505121319/bin/its-ltl-linux64 --gc-threshold 2000000 -i /tmp/L...318
Loading property file /tmp/LTL296159126936227198.prop.
Loaded 2 atomic propositions.
Checking formula 0 provided in automaton : /tmp/aut14442397889231599572.hoa
Reverse transition relation is exact ! Faster fixpoint algorithm enabled.
Detected timeout of ITS tools.
[2025-06-05 23:04:03] [INFO ] Flatten gal took : 42 ms
[2025-06-05 23:04:03] [INFO ] Flatten gal took : 40 ms
[2025-06-05 23:04:03] [INFO ] Time to serialize gal into /tmp/LTL10105139047817683608.gal : 5 ms
[2025-06-05 23:04:03] [INFO ] Time to serialize properties into /tmp/LTL6648354333877517667.ltl : 1 ms
Invoking ITS tools like this :cd /home/mcc/execution;'/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202505121319/bin/its-ltl-linux64' '--gc-threshold' '2000000' '-i' '/tmp/LTL10105139047817683608.gal' '-t' 'CGAL' '-LTL' '/tmp/LTL6648354333877517667.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 : !((F(G(("(((p130==0)||(p391==0))||((p395==0)||(p401==0)))")||(F("((p337==1)&&(p352==1))"))))))
Formula 0 simplified : G(F!"(((p130==0)||(p391==0))||((p395==0)||(p401==0)))" & FG!"((p337==1)&&(p352==1))")
Reverse transition relation is exact ! Faster fixpoint algorithm enabled.
Detected timeout of ITS tools.
[2025-06-05 23:04:18] [INFO ] Flatten gal took : 33 ms
[2025-06-05 23:04:18] [INFO ] Applying decomposition
[2025-06-05 23:04:18] [INFO ] Flatten gal took : 36 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/graph12673679632517904617.txt' '-o' '/tmp/graph12673679632517904617.bin' '-w' '/tmp/graph12673679632517904617.weights'
Built communities with : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.louvain.binaries_1.0.0.202505121319/bin/louvain-linux64' '/tmp/graph12673679632517904617.bin' '-l' '-1' '-v' '-w' '/tmp/graph12673679632517904617.weights' '-q' '0' '-e' '0.001'
[2025-06-05 23:04:18] [INFO ] Decomposing Gal with order
[2025-06-05 23:04:19] [INFO ] Rewriting arrays to variables to allow decomposition.
[2025-06-05 23:04:19] [INFO ] Removed a total of 149 redundant transitions.
[2025-06-05 23:04:19] [INFO ] Flatten gal took : 49 ms
[2025-06-05 23:04:19] [INFO ] Fuse similar labels procedure discarded/fused a total of 0 labels/synchronizations in 44 ms.
[2025-06-05 23:04:19] [INFO ] Time to serialize gal into /tmp/LTL12617243929769084130.gal : 15 ms
[2025-06-05 23:04:19] [INFO ] Time to serialize properties into /tmp/LTL9426300956746607227.ltl : 1 ms
Invoking ITS tools like this :cd /home/mcc/execution;'/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202505121319/bin/its-ltl-linux64' '--gc-threshold' '2000000' '-i' '/tmp/LTL12617243929769084130.gal' '-t' 'CGAL' '-LTL' '/tmp/LTL9426300956746607227.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 : !((F(G(("(((i4.i0.i0.u54.p130==0)||(i11.i1.i0.u163.p391==0))||((i12.i0.i3.u165.p395==0)||(i12.i0.i0.u168.p401==0)))")||(F("((i10.i1.i2...203
Formula 0 simplified : G(F!"(((i4.i0.i0.u54.p130==0)||(i11.i1.i0.u163.p391==0))||((i12.i0.i3.u165.p395==0)||(i12.i0.i0.u168.p401==0)))" & FG!"((i10.i1.i2.u...196
Reverse transition relation is exact ! Faster fixpoint algorithm enabled.
4 unique states visited
4 strongly connected components in search stack
5 transitions explored
4 items max in DFS search stack
793 ticks for the emptiness check
Model ,|S| ,Time ,Mem(kb) ,fin. SDD ,fin. DDD ,peak SDD ,peak DDD ,SDD Hom ,SDD cache peak ,DDD Hom ,DDD cachepeak ,SHom cache
STATS,0,8.04173,327776,1,0,563656,471,4275,2.06519e+06,121,2625,236680
an accepting run exists (use option '-e' to print it)
Formula 0 is FALSE accepting run found.
FORMULA ShieldIIPt-PT-050A-LTLFireability-14 FALSE TECHNIQUES DECISION_DIAGRAMS TOPOLOGICAL USE_NUPN
Treatment of property ShieldIIPt-PT-050A-LTLFireability-14 finished in 204897 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((F(p1)&&p0))||X(p2)))'
Support contains 3 out of 953 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 953/953 places, 702/702 transitions.
Applied a total of 0 rules in 27 ms. Remains 953 /953 variables (removed 0) and now considering 702/702 (removed 0) transitions.
// Phase 1: matrix 702 rows 953 cols
[2025-06-05 23:04:29] [INFO ] Computed 451 invariants in 3 ms
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-05 23:04:29] [INFO ] Implicit Places using invariants in 463 ms returned []
[2025-06-05 23:04:29] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-05 23:04:30] [INFO ] Implicit Places using invariants and state equation in 913 ms returned []
Implicit Place search using SMT with State Equation took 1379 ms to find 0 implicit places.
Running 701 sub problems to find dead transitions.
[2025-06-05 23:04:30] [INFO ] Invariant cache hit.
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/952 variables, 952/952 constraints. Problems are: Problem set: 0 solved, 701 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/952 variables, 0/952 constraints. Problems are: Problem set: 0 solved, 701 unsolved
At refinement iteration 2 (OVERLAPS) 1/953 variables, 451/1403 constraints. Problems are: Problem set: 0 solved, 701 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/953 variables, 1/1404 constraints. Problems are: Problem set: 0 solved, 701 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Real declared 953/1655 variables, and 1404 constraints, problems are : Problem set: 0 solved, 701 unsolved in 30028 ms.
Refiners :[Domain max(s): 953/953 constraints, Positive P Invariants (semi-flows): 451/451 constraints, State Equation: 0/953 constraints, PredecessorRefiner: 701/701 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 701 unsolved
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/952 variables, 952/952 constraints. Problems are: Problem set: 0 solved, 701 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/952 variables, 0/952 constraints. Problems are: Problem set: 0 solved, 701 unsolved
At refinement iteration 2 (OVERLAPS) 1/953 variables, 451/1403 constraints. Problems are: Problem set: 0 solved, 701 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/953 variables, 1/1404 constraints. Problems are: Problem set: 0 solved, 701 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 953/1655 variables, and 1404 constraints, problems are : Problem set: 0 solved, 701 unsolved in 30019 ms.
Refiners :[Domain max(s): 953/953 constraints, Positive P Invariants (semi-flows): 451/451 constraints, State Equation: 0/953 constraints, PredecessorRefiner: 0/701 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 60275ms problems are : Problem set: 0 solved, 701 unsolved
Search for dead transitions found 0 dead transitions in 60281ms
Finished structural reductions in LTL mode , in 1 iterations and 61690 ms. Remains : 953/953 places, 702/702 transitions.
Stuttering acceptance computed with spot in 226 ms :[(NOT p1), (AND (NOT p1) (NOT p2)), (OR (AND (NOT p0) (NOT p2)) (AND (NOT p1) (NOT p2))), (OR (AND (NOT p0) (NOT p2)) (AND (NOT p1) (NOT p2))), (OR (NOT p0) (NOT p1))]
Running random walk in product with property : ShieldIIPt-PT-050A-LTLFireability-15
Product exploration explored 100000 steps with 50000 reset in 2659 ms.
Product exploration explored 100000 steps with 50000 reset in 2813 ms.
Computed a total of 1 stabilizing places and 1 stable transitions
Computed a total of 1 stabilizing places and 1 stable transitions
Knowledge obtained : [(AND (NOT p1) p2 (NOT p0)), (X p2), (X (NOT (AND (NOT p1) (NOT p2)))), (X (NOT (AND p0 (NOT p1) (NOT p2)))), (X (NOT p0)), (X (NOT (AND (NOT p0) (NOT p2)))), (X (NOT p1)), (X (X (NOT (AND p0 (NOT p1))))), (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 10 factoid took 17 ms. Reduced automaton from 5 states, 8 edges and 3 AP (stutter sensitive) to 1 states, 0 edges and 0 AP (stutter insensitive).
FORMULA ShieldIIPt-PT-050A-LTLFireability-15 TRUE TECHNIQUES KNOWLEDGE
Treatment of property ShieldIIPt-PT-050A-LTLFireability-15 finished in 67430 ms.
All properties solved by simple procedures.
Total runtime 1347687 ms.
BK_STOP 1749164736746
--------------------
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="ShieldIIPt-PT-050A"
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 ShieldIIPt-PT-050A, 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 r198-tall-174894533000572"
echo "====================================================================="
echo
echo "--------------------"
echo "preparation of the directory to be used:"
tar xzf /home/mcc/BenchKit/INPUTS/ShieldIIPt-PT-050A.tgz
mv ShieldIIPt-PT-050A execution
cd execution
if [ "LTLFireability" = "ReachabilityDeadlock" ] || [ "LTLFireability" = "UpperBounds" ] || [ "LTLFireability" = "QuasiLiveness" ] || [ "LTLFireability" = "StableMarking" ] || [ "LTLFireability" = "Liveness" ] || [ "LTLFireability" = "OneSafe" ] || [ "LTLFireability" = "StateSpace" ]; then
rm -f GenericPropertiesVerdict.xml
fi
pwd
ls -lh
echo
echo "--------------------"
echo "content from stdout:"
echo
echo "=== Data for post analysis generated by BenchKit (invocation template)"
echo
if [ "LTLFireability" = "UpperBounds" ] ; then
echo "The expected result is a vector of positive values"
echo NUM_VECTOR
elif [ "LTLFireability" != "StateSpace" ] ; then
echo "The expected result is a vector of booleans"
echo BOOL_VECTOR
else
echo "no data necessary for post analysis"
fi
echo
if [ -f "LTLFireability.xml" ] ; then # for cunf (txt files deleted;-)
echo echo "here is the order used to build the result vector(from xml file)"
for x in $(grep '
echo "FORMULA_NAME $x"
done
elif [ "LTLFireability" = "ReachabilityDeadlock" ] || [ "LTLFireability" = "QuasiLiveness" ] || [ "LTLFireability" = "StableMarking" ] || [ "LTLFireability" = "Liveness" ] || [ "LTLFireability" = "OneSafe" ] ; then
echo "FORMULA_NAME LTLFireability"
fi
echo
echo "=== Now, execution of the tool begins"
echo
echo -n "BK_START "
date -u +%s%3N
echo
timeout -s 9 $BK_TIME_CONFINEMENT bash -c "/home/mcc/BenchKit/BenchKit_head.sh 2> STDERR ; echo ; echo -n \"BK_STOP \" ; date -u +%s%3N"
if [ $? -eq 137 ] ; then
echo
echo "BK_TIME_CONFINEMENT_REACHED"
fi
echo
echo "--------------------"
echo "content from stderr:"
echo
cat STDERR ;