fond
Model Checking Contest 2024
14th edition, Geneva, Switzerland, June 25, 2024
Execution of r536-tall-171690532800627
Last Updated
July 7, 2024

About the Execution of LTSMin+red for Sudoku-PT-AN08

Execution Summary
Max Memory
Used (MB)
Time wait (ms) CPU Usage (ms) I/O Wait (ms) Computed Result Execution
Status
1763.123 3600000.00 14555766.00 970.60 F??T?FFTTFFFFTFF normal

Execution Chart

We display below the execution chart for this examination (boot time has been removed).

Trace from the execution

Formatting '/data/fkordon/mcc2024-input.r536-tall-171690532800627.qcow2', fmt=qcow2 size=4294967296 backing_file=/data/fkordon/mcc2024-input.qcow2 backing_fmt=qcow2 cluster_size=65536 lazy_refcounts=off refcount_bits=16
Waiting for the VM to be ready (probing ssh)
..................
=====================================================================
Generated by BenchKit 2-5568
Executing tool ltsminxred
Input is Sudoku-PT-AN08, examination is LTLCardinality
Time confinement is 3600 seconds
Memory confinement is 16384 MBytes
Number of cores is 4
Run identifier is r536-tall-171690532800627
=====================================================================

--------------------
preparation of the directory to be used:
/home/mcc/execution
total 13M
-rw-r--r-- 1 mcc users 178K Apr 12 11:59 CTLCardinality.txt
-rw-r--r-- 1 mcc users 897K Apr 12 11:59 CTLCardinality.xml
-rw-r--r-- 1 mcc users 437K Apr 12 11:43 CTLFireability.txt
-rw-r--r-- 1 mcc users 2.1M Apr 12 11:43 CTLFireability.xml
-rw-r--r-- 1 mcc users 4.2K May 18 16:43 GenericPropertiesDefinition.xml
-rw-r--r-- 1 mcc users 6.6K May 18 16:43 GenericPropertiesVerdict.xml
-rw-r--r-- 1 mcc users 163K Apr 23 08:00 LTLCardinality.txt
-rw-r--r-- 1 mcc users 564K Apr 23 08:00 LTLCardinality.xml
-rw-r--r-- 1 mcc users 227K Apr 23 08:00 LTLFireability.txt
-rw-r--r-- 1 mcc users 820K Apr 23 08:00 LTLFireability.xml
-rw-r--r-- 1 mcc users 521K Apr 12 12:28 ReachabilityCardinality.txt
-rw-r--r-- 1 mcc users 2.6M Apr 12 12:28 ReachabilityCardinality.xml
-rw-r--r-- 1 mcc users 652K Apr 12 12:02 ReachabilityFireability.txt
-rw-r--r-- 1 mcc users 3.1M Apr 12 12:02 ReachabilityFireability.xml
-rw-r--r-- 1 mcc users 21K Apr 23 08:00 UpperBounds.txt
-rw-r--r-- 1 mcc users 51K Apr 23 08:00 UpperBounds.xml
-rw-r--r-- 1 mcc users 5 May 18 16:43 equiv_col
-rw-r--r-- 1 mcc users 5 May 18 16:43 instance
-rw-r--r-- 1 mcc users 6 May 18 16:43 iscolored
-rw-r--r-- 1 mcc users 298K May 18 16:43 model.pnml

--------------------
content from stdout:

=== Data for post analysis generated by BenchKit (invocation template)

The expected result is a vector of booleans
BOOL_VECTOR

here is the order used to build the result vector(from text file)
FORMULA_NAME Sudoku-PT-AN08-LTLCardinality-00
FORMULA_NAME Sudoku-PT-AN08-LTLCardinality-01
FORMULA_NAME Sudoku-PT-AN08-LTLCardinality-02
FORMULA_NAME Sudoku-PT-AN08-LTLCardinality-03
FORMULA_NAME Sudoku-PT-AN08-LTLCardinality-04
FORMULA_NAME Sudoku-PT-AN08-LTLCardinality-05
FORMULA_NAME Sudoku-PT-AN08-LTLCardinality-06
FORMULA_NAME Sudoku-PT-AN08-LTLCardinality-07
FORMULA_NAME Sudoku-PT-AN08-LTLCardinality-08
FORMULA_NAME Sudoku-PT-AN08-LTLCardinality-09
FORMULA_NAME Sudoku-PT-AN08-LTLCardinality-10
FORMULA_NAME Sudoku-PT-AN08-LTLCardinality-11
FORMULA_NAME Sudoku-PT-AN08-LTLCardinality-12
FORMULA_NAME Sudoku-PT-AN08-LTLCardinality-13
FORMULA_NAME Sudoku-PT-AN08-LTLCardinality-14
FORMULA_NAME Sudoku-PT-AN08-LTLCardinality-15

=== Now, execution of the tool begins

BK_START 1717270678120

Invoking MCC driver with
BK_TOOL=ltsminxred
BK_EXAMINATION=LTLCardinality
BK_BIN_PATH=/home/mcc/BenchKit/bin/
BK_TIME_CONFINEMENT=3600
BK_INPUT=Sudoku-PT-AN08
BK_MEMORY_CONFINEMENT=16384
Applying reductions before tool ltsmin
Invoking reducer
Running Version 202405141337
[2024-06-01 19:37:59] [INFO ] Running its-tools with arguments : [-pnfolder, /home/mcc/execution, -examination, LTLCardinality, -timeout, 360, -rebuildPNML]
[2024-06-01 19:37:59] [INFO ] Parsing pnml file : /home/mcc/execution/model.pnml
[2024-06-01 19:37:59] [INFO ] Load time of PNML (sax parser for PT used): 108 ms
[2024-06-01 19:37:59] [INFO ] Transformed 704 places.
[2024-06-01 19:37:59] [INFO ] Transformed 512 transitions.
[2024-06-01 19:37:59] [INFO ] Found NUPN structural information;
[2024-06-01 19:37:59] [INFO ] Parsed PT model containing 704 places and 512 transitions and 2048 arcs in 211 ms.
Parsed 16 properties from file /home/mcc/execution/LTLCardinality.xml in 48 ms.
Working with output stream class java.io.PrintStream
Initial state reduction rules removed 1 formulas.
FORMULA Sudoku-PT-AN08-LTLCardinality-08 TRUE TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA Sudoku-PT-AN08-LTLCardinality-11 FALSE TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA Sudoku-PT-AN08-LTLCardinality-13 TRUE TECHNIQUES TOPOLOGICAL INITIAL_STATE
Support contains 704 out of 704 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 704/704 places, 512/512 transitions.
Applied a total of 0 rules in 14 ms. Remains 704 /704 variables (removed 0) and now considering 512/512 (removed 0) transitions.
// Phase 1: matrix 512 rows 704 cols
[2024-06-01 19:37:59] [INFO ] Computed 192 invariants in 30 ms
[2024-06-01 19:38:00] [INFO ] Implicit Places using invariants in 564 ms returned []
[2024-06-01 19:38:00] [INFO ] Invariant cache hit.
[2024-06-01 19:38:00] [INFO ] Implicit Places using invariants and state equation in 373 ms returned []
Implicit Place search using SMT with State Equation took 966 ms to find 0 implicit places.
Running 0 sub problems to find dead transitions.
Search for dead transitions found 0 dead transitions in 1ms
Finished structural reductions in LTL mode , in 1 iterations and 1002 ms. Remains : 704/704 places, 512/512 transitions.
Support contains 704 out of 704 places after structural reductions.
[2024-06-01 19:38:01] [INFO ] Flatten gal took : 91 ms
[2024-06-01 19:38:01] [INFO ] Flatten gal took : 49 ms
[2024-06-01 19:38:01] [INFO ] Input system was already deterministic with 512 transitions.
RANDOM walk for 40000 steps (717 resets) in 4753 ms. (8 steps per ms) remains 11/24 properties
BEST_FIRST walk for 40004 steps (8 resets) in 310 ms. (128 steps per ms) remains 11/11 properties
BEST_FIRST walk for 40004 steps (8 resets) in 278 ms. (143 steps per ms) remains 11/11 properties
BEST_FIRST walk for 40004 steps (8 resets) in 270 ms. (147 steps per ms) remains 11/11 properties
BEST_FIRST walk for 40004 steps (8 resets) in 571 ms. (69 steps per ms) remains 11/11 properties
BEST_FIRST walk for 40004 steps (8 resets) in 287 ms. (138 steps per ms) remains 11/11 properties
BEST_FIRST walk for 40004 steps (8 resets) in 1008 ms. (39 steps per ms) remains 11/11 properties
BEST_FIRST walk for 40004 steps (8 resets) in 300 ms. (132 steps per ms) remains 11/11 properties
BEST_FIRST walk for 40004 steps (8 resets) in 261 ms. (152 steps per ms) remains 11/11 properties
BEST_FIRST walk for 40004 steps (8 resets) in 463 ms. (86 steps per ms) remains 11/11 properties
BEST_FIRST walk for 40004 steps (8 resets) in 237 ms. (168 steps per ms) remains 11/11 properties
BEST_FIRST walk for 40004 steps (8 resets) in 194 ms. (205 steps per ms) remains 11/11 properties
[2024-06-01 19:38:03] [INFO ] Invariant cache hit.
All remaining problems are real, not stopping.
At refinement iteration 0 (INCLUDED_ONLY) 0/704 variables, 704/704 constraints. Problems are: Problem set: 0 solved, 11 unsolved
Problem AtomicPropp7 is UNSAT
Problem AtomicPropp8 is UNSAT
Problem AtomicPropp10 is UNSAT
Problem AtomicPropp13 is UNSAT
Problem AtomicPropp15 is UNSAT
At refinement iteration 1 (INCLUDED_ONLY) 0/704 variables, 192/896 constraints. Problems are: Problem set: 5 solved, 6 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/704 variables, 0/896 constraints. Problems are: Problem set: 5 solved, 6 unsolved
At refinement iteration 3 (OVERLAPS) 512/1216 variables, 704/1600 constraints. Problems are: Problem set: 5 solved, 6 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/1216 variables, 0/1600 constraints. Problems are: Problem set: 5 solved, 6 unsolved
At refinement iteration 5 (OVERLAPS) 0/1216 variables, 0/1600 constraints. Problems are: Problem set: 5 solved, 6 unsolved
No progress, stopping.
After SMT solving in domain Real declared 1216/1216 variables, and 1600 constraints, problems are : Problem set: 5 solved, 6 unsolved in 1371 ms.
Refiners :[Domain max(s): 704/704 constraints, Positive P Invariants (semi-flows): 192/192 constraints, State Equation: 704/704 constraints, PredecessorRefiner: 11/11 constraints, Known Traps: 0/0 constraints]
Escalating to Integer solving :Problem set: 5 solved, 6 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/192 variables, 192/192 constraints. Problems are: Problem set: 5 solved, 6 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/192 variables, 0/192 constraints. Problems are: Problem set: 5 solved, 6 unsolved
At refinement iteration 2 (OVERLAPS) 512/704 variables, 192/384 constraints. Problems are: Problem set: 5 solved, 6 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/704 variables, 512/896 constraints. Problems are: Problem set: 5 solved, 6 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/704 variables, 0/896 constraints. Problems are: Problem set: 5 solved, 6 unsolved
At refinement iteration 5 (OVERLAPS) 512/1216 variables, 704/1600 constraints. Problems are: Problem set: 5 solved, 6 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 1216/1216 variables, and 1606 constraints, problems are : Problem set: 5 solved, 6 unsolved in 5012 ms.
Refiners :[Domain max(s): 704/704 constraints, Positive P Invariants (semi-flows): 192/192 constraints, State Equation: 704/704 constraints, PredecessorRefiner: 6/11 constraints, Known Traps: 0/0 constraints]
After SMT, in 6965ms problems are : Problem set: 5 solved, 6 unsolved
Skipping Parikh replay, no witness traces provided.
Support contains 192 out of 704 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 704/704 places, 512/512 transitions.
Graph (complete) has 1536 edges and 704 vertex of which 192 are kept as prefixes of interest. Removing 512 places using SCC suffix rule.2 ms
Discarding 512 places :
Also discarding 0 output transitions
Applied a total of 1 rules in 15 ms. Remains 192 /704 variables (removed 512) and now considering 512/512 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 15 ms. Remains : 192/704 places, 512/512 transitions.
RANDOM walk for 40000 steps (717 resets) in 1787 ms. (22 steps per ms) remains 6/6 properties
BEST_FIRST walk for 40004 steps (8 resets) in 284 ms. (140 steps per ms) remains 6/6 properties
BEST_FIRST walk for 40004 steps (8 resets) in 298 ms. (133 steps per ms) remains 6/6 properties
BEST_FIRST walk for 40004 steps (8 resets) in 200 ms. (199 steps per ms) remains 6/6 properties
BEST_FIRST walk for 40004 steps (8 resets) in 187 ms. (212 steps per ms) remains 6/6 properties
BEST_FIRST walk for 40004 steps (8 resets) in 184 ms. (216 steps per ms) remains 6/6 properties
BEST_FIRST walk for 40004 steps (8 resets) in 190 ms. (209 steps per ms) remains 6/6 properties
Finished probabilistic random walk after 110904 steps, run visited all 6 properties in 1036 ms. (steps per millisecond=107 )
Probabilistic random walk after 110904 steps, saw 34413 distinct states, run finished after 1040 ms. (steps per millisecond=106 ) properties seen :6
FORMULA Sudoku-PT-AN08-LTLCardinality-15 FALSE TECHNIQUES REACHABILITY_KNOWLEDGE
Successfully simplified 5 atomic propositions for a total of 12 simplifications.
FORMULA Sudoku-PT-AN08-LTLCardinality-03 TRUE TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA Sudoku-PT-AN08-LTLCardinality-05 FALSE TECHNIQUES TOPOLOGICAL INITIAL_STATE
Computed a total of 704 stabilizing places and 512 stable transitions
Complete graph has no SCC; deadlocks are unavoidable. place count 704 transition count 512
Detected that all paths lead to deadlock. Applying this knowledge to assert that all AP eventually converge (and all enablings converge to false).
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202405141337/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!((F(X((F(p0) U X(p0))))&&!(p0 U p1)))'
Support contains 640 out of 704 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 704/704 places, 512/512 transitions.
Applied a total of 0 rules in 10 ms. Remains 704 /704 variables (removed 0) and now considering 512/512 (removed 0) transitions.
[2024-06-01 19:38:13] [INFO ] Invariant cache hit.
[2024-06-01 19:38:13] [INFO ] Implicit Places using invariants in 409 ms returned []
[2024-06-01 19:38:13] [INFO ] Invariant cache hit.
[2024-06-01 19:38:14] [INFO ] Implicit Places using invariants and state equation in 553 ms returned []
Implicit Place search using SMT with State Equation took 966 ms to find 0 implicit places.
Running 0 sub problems to find dead transitions.
Search for dead transitions found 0 dead transitions in 0ms
Finished structural reductions in LTL mode , in 1 iterations and 977 ms. Remains : 704/704 places, 512/512 transitions.
Stuttering acceptance computed with spot in 301 ms :[(OR (NOT p0) p1), true, p1, (NOT p0), (NOT p0)]
Running random walk in product with property : Sudoku-PT-AN08-LTLCardinality-00
Entered a terminal (fully accepting) state of product in 54 steps with 7 reset in 21 ms.
FORMULA Sudoku-PT-AN08-LTLCardinality-00 FALSE TECHNIQUES STUTTER_TEST
Treatment of property Sudoku-PT-AN08-LTLCardinality-00 finished in 1372 ms.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202405141337/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!(F(p0))'
Support contains 576 out of 704 places. Attempting structural reductions.
Starting structural reductions in SI_LTL mode, iteration 0 : 704/704 places, 512/512 transitions.
Applied a total of 0 rules in 36 ms. Remains 704 /704 variables (removed 0) and now considering 512/512 (removed 0) transitions.
[2024-06-01 19:38:14] [INFO ] Invariant cache hit.
[2024-06-01 19:38:15] [INFO ] Implicit Places using invariants in 597 ms returned []
[2024-06-01 19:38:15] [INFO ] Invariant cache hit.
[2024-06-01 19:38:15] [INFO ] Implicit Places using invariants and state equation in 726 ms returned []
Implicit Place search using SMT with State Equation took 1337 ms to find 0 implicit places.
[2024-06-01 19:38:15] [INFO ] Redundant transitions in 32 ms returned []
Running 0 sub problems to find dead transitions.
Search for dead transitions found 0 dead transitions in 0ms
Finished structural reductions in SI_LTL mode , in 1 iterations and 1412 ms. Remains : 704/704 places, 512/512 transitions.
Stuttering acceptance computed with spot in 38 ms :[(NOT p0)]
Running random walk in product with property : Sudoku-PT-AN08-LTLCardinality-01
Product exploration explored 100000 steps with 3030 reset in 6150 ms.
Product exploration explored 100000 steps with 3030 reset in 6100 ms.
Computed a total of 704 stabilizing places and 512 stable transitions
Complete graph has no SCC; deadlocks are unavoidable. place count 704 transition count 512
Detected that all paths lead to deadlock. Applying this knowledge to assert that all AP eventually converge (and all enablings converge to false).
Detected that all paths lead to deadlock. Applying this knowledge to assert that all AP eventually converge : F ( (Ga|G!a) & (Gb|G!b)...)
Knowledge obtained : [(NOT p0), (X (NOT p0)), (X (X (NOT p0))), (F (OR (G p0) (G (NOT p0))))]
False Knowledge obtained : []
Knowledge based reduction with 4 factoid took 213 ms. Reduced automaton from 1 states, 1 edges and 1 AP (stutter insensitive) to 1 states, 1 edges and 1 AP (stutter insensitive).
Stuttering acceptance computed with spot in 35 ms :[(NOT p0)]
RANDOM walk for 128 steps (0 resets) in 22 ms. (5 steps per ms) remains 0/1 properties
Knowledge obtained : [(NOT p0), (X (NOT p0)), (X (X (NOT p0))), (F (OR (G p0) (G (NOT p0))))]
False Knowledge obtained : [(F p0)]
Knowledge based reduction with 4 factoid took 115 ms. Reduced automaton from 1 states, 1 edges and 1 AP (stutter insensitive) to 1 states, 1 edges and 1 AP (stutter insensitive).
Stuttering acceptance computed with spot in 41 ms :[(NOT p0)]
Stuttering acceptance computed with spot in 31 ms :[(NOT p0)]
[2024-06-01 19:38:32] [INFO ] Invariant cache hit.
[2024-06-01 19:38:34] [INFO ] [Real]Absence check using 192 positive place invariants in 250 ms returned sat
[2024-06-01 19:38:36] [INFO ] [Real]Absence check using state equation in 1462 ms returned sat
[2024-06-01 19:38:36] [INFO ] Solution in real domain found non-integer solution.
[2024-06-01 19:38:38] [INFO ] [Nat]Absence check using 192 positive place invariants in 50 ms returned sat
[2024-06-01 19:38:38] [INFO ] [Nat]Absence check using state equation in 181 ms returned sat
[2024-06-01 19:38:38] [INFO ] Computed and/alt/rep : 0/0/0 causal constraints (skipped 0 transitions) in 25 ms.
[2024-06-01 19:38:38] [INFO ] Added : 0 causal constraints over 0 iterations in 81 ms. Result :sat
Could not prove EG (NOT p0)
Support contains 576 out of 704 places. Attempting structural reductions.
Starting structural reductions in SI_LTL mode, iteration 0 : 704/704 places, 512/512 transitions.
Applied a total of 0 rules in 22 ms. Remains 704 /704 variables (removed 0) and now considering 512/512 (removed 0) transitions.
[2024-06-01 19:38:39] [INFO ] Invariant cache hit.
[2024-06-01 19:38:39] [INFO ] Implicit Places using invariants in 645 ms returned []
[2024-06-01 19:38:39] [INFO ] Invariant cache hit.
[2024-06-01 19:38:40] [INFO ] Implicit Places using invariants and state equation in 701 ms returned []
Implicit Place search using SMT with State Equation took 1348 ms to find 0 implicit places.
[2024-06-01 19:38:40] [INFO ] Redundant transitions in 7 ms returned []
Running 0 sub problems to find dead transitions.
Search for dead transitions found 0 dead transitions in 0ms
Finished structural reductions in SI_LTL mode , in 1 iterations and 1382 ms. Remains : 704/704 places, 512/512 transitions.
Computed a total of 704 stabilizing places and 512 stable transitions
Complete graph has no SCC; deadlocks are unavoidable. place count 704 transition count 512
Detected that all paths lead to deadlock. Applying this knowledge to assert that all AP eventually converge (and all enablings converge to false).
Detected that all paths lead to deadlock. Applying this knowledge to assert that all AP eventually converge : F ( (Ga|G!a) & (Gb|G!b)...)
Knowledge obtained : [(NOT p0), (X (NOT p0)), (X (X (NOT p0))), (F (OR (G p0) (G (NOT p0))))]
False Knowledge obtained : []
Knowledge based reduction with 4 factoid took 81 ms. Reduced automaton from 1 states, 1 edges and 1 AP (stutter insensitive) to 1 states, 1 edges and 1 AP (stutter insensitive).
Stuttering acceptance computed with spot in 37 ms :[(NOT p0)]
RANDOM walk for 128 steps (0 resets) in 17 ms. (7 steps per ms) remains 0/1 properties
Knowledge obtained : [(NOT p0), (X (NOT p0)), (X (X (NOT p0))), (F (OR (G p0) (G (NOT p0))))]
False Knowledge obtained : [(F p0)]
Knowledge based reduction with 4 factoid took 104 ms. Reduced automaton from 1 states, 1 edges and 1 AP (stutter insensitive) to 1 states, 1 edges and 1 AP (stutter insensitive).
Stuttering acceptance computed with spot in 41 ms :[(NOT p0)]
Stuttering acceptance computed with spot in 32 ms :[(NOT p0)]
[2024-06-01 19:38:44] [INFO ] Invariant cache hit.
[2024-06-01 19:38:46] [INFO ] [Real]Absence check using 192 positive place invariants in 254 ms returned sat
[2024-06-01 19:38:47] [INFO ] [Real]Absence check using state equation in 1465 ms returned sat
[2024-06-01 19:38:47] [INFO ] Solution in real domain found non-integer solution.
[2024-06-01 19:38:50] [INFO ] [Nat]Absence check using 192 positive place invariants in 46 ms returned sat
[2024-06-01 19:38:50] [INFO ] [Nat]Absence check using state equation in 172 ms returned sat
[2024-06-01 19:38:50] [INFO ] Computed and/alt/rep : 0/0/0 causal constraints (skipped 0 transitions) in 22 ms.
[2024-06-01 19:38:50] [INFO ] Added : 0 causal constraints over 0 iterations in 70 ms. Result :sat
Could not prove EG (NOT p0)
Stuttering acceptance computed with spot in 31 ms :[(NOT p0)]
Product exploration explored 100000 steps with 3030 reset in 5872 ms.
Product exploration explored 100000 steps with 3030 reset in 5945 ms.
Support contains 576 out of 704 places. Attempting structural reductions.
Starting structural reductions in SI_LTL mode, iteration 0 : 704/704 places, 512/512 transitions.
Applied a total of 0 rules in 11 ms. Remains 704 /704 variables (removed 0) and now considering 512/512 (removed 0) transitions.
[2024-06-01 19:39:02] [INFO ] Invariant cache hit.
[2024-06-01 19:39:03] [INFO ] Implicit Places using invariants in 654 ms returned []
[2024-06-01 19:39:03] [INFO ] Invariant cache hit.
[2024-06-01 19:39:04] [INFO ] Implicit Places using invariants and state equation in 738 ms returned []
Implicit Place search using SMT with State Equation took 1399 ms to find 0 implicit places.
[2024-06-01 19:39:04] [INFO ] Redundant transitions in 3 ms returned []
Running 0 sub problems to find dead transitions.
Search for dead transitions found 0 dead transitions in 0ms
Finished structural reductions in SI_LTL mode , in 1 iterations and 1416 ms. Remains : 704/704 places, 512/512 transitions.
Treatment of property Sudoku-PT-AN08-LTLCardinality-01 finished in 49722 ms.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202405141337/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!(F(G((p0||X((((p1 U p2)||G(F(p3))) U (p0&&((p1 U p2)||G(F(p3))))))))))'
Support contains 640 out of 704 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 704/704 places, 512/512 transitions.
Applied a total of 0 rules in 2 ms. Remains 704 /704 variables (removed 0) and now considering 512/512 (removed 0) transitions.
[2024-06-01 19:39:04] [INFO ] Invariant cache hit.
[2024-06-01 19:39:04] [INFO ] Implicit Places using invariants in 322 ms returned []
[2024-06-01 19:39:04] [INFO ] Invariant cache hit.
[2024-06-01 19:39:05] [INFO ] Implicit Places using invariants and state equation in 488 ms returned []
Implicit Place search using SMT with State Equation took 812 ms to find 0 implicit places.
Running 0 sub problems to find dead transitions.
Search for dead transitions found 0 dead transitions in 0ms
Finished structural reductions in LTL mode , in 1 iterations and 815 ms. Remains : 704/704 places, 512/512 transitions.
Stuttering acceptance computed with spot in 330 ms :[(NOT p0), (NOT p0), (AND (NOT p0) (NOT p3)), (AND (NOT p0) (NOT p3)), (AND (NOT p0) (NOT p2) (NOT p3)), (AND (NOT p0) (NOT p2) (NOT p3)), (AND (NOT p0) (NOT p3))]
Running random walk in product with property : Sudoku-PT-AN08-LTLCardinality-02
Product exploration explored 100000 steps with 1799 reset in 3348 ms.
Product exploration explored 100000 steps with 1799 reset in 3363 ms.
Computed a total of 704 stabilizing places and 512 stable transitions
Complete graph has no SCC; deadlocks are unavoidable. place count 704 transition count 512
Detected that all paths lead to deadlock. Applying this knowledge to assert that all AP eventually converge (and all enablings converge to false).
Detected that all paths lead to deadlock. Applying this knowledge to assert that all AP eventually converge : F ( (Ga|G!a) & (Gb|G!b)...)
Knowledge obtained : [(AND p0 (NOT p2) p1 (NOT p3)), (X p2), (X (NOT (AND p0 (NOT p2) p1))), (X (NOT (AND (NOT p2) (NOT p1)))), (X p0), (X p1), (X (X p2)), (X (X (NOT p3))), (X (X (NOT (AND (NOT p0) (NOT p2) p1 (NOT p3))))), (X (X (NOT (AND (NOT p0) (NOT p3))))), (X (X (NOT (AND p0 (NOT p2) p1)))), (X (X (NOT (AND (NOT p2) (NOT p1))))), (X (X (NOT (AND (NOT p0) (NOT p2) (NOT p1) (NOT p3))))), (X (X (NOT (AND (NOT p2) p1)))), (X (X p0)), (X (X p1)), (F (OR (G p0) (G (NOT p0)))), (F (OR (G p2) (G (NOT p2)))), (F (OR (G p1) (G (NOT p1)))), (F (OR (G p3) (G (NOT p3))))]
False Knowledge obtained : []
Knowledge sufficient to adopt a stutter insensitive property.
Knowledge based reduction with 20 factoid took 1147 ms. Reduced automaton from 7 states, 20 edges and 4 AP (stutter sensitive) to 7 states, 25 edges and 4 AP (stutter insensitive).
Stuttering acceptance computed with spot in 336 ms :[(NOT p0), (NOT p0), (AND (NOT p0) (NOT p3)), (AND (NOT p0) (NOT p3)), (AND (NOT p0) (NOT p2) (NOT p3)), (AND (NOT p0) (NOT p2) (NOT p3)), (AND (NOT p0) (NOT p3))]
RANDOM walk for 40000 steps (718 resets) in 2909 ms. (13 steps per ms) remains 9/13 properties
BEST_FIRST walk for 40004 steps (8 resets) in 289 ms. (137 steps per ms) remains 9/9 properties
BEST_FIRST walk for 40004 steps (8 resets) in 1277 ms. (31 steps per ms) remains 9/9 properties
BEST_FIRST walk for 40004 steps (8 resets) in 238 ms. (167 steps per ms) remains 9/9 properties
BEST_FIRST walk for 40004 steps (8 resets) in 958 ms. (41 steps per ms) remains 9/9 properties
BEST_FIRST walk for 40004 steps (8 resets) in 1137 ms. (35 steps per ms) remains 9/9 properties
BEST_FIRST walk for 40004 steps (8 resets) in 901 ms. (44 steps per ms) remains 9/9 properties
BEST_FIRST walk for 40004 steps (8 resets) in 898 ms. (44 steps per ms) remains 9/9 properties
BEST_FIRST walk for 40004 steps (8 resets) in 776 ms. (51 steps per ms) remains 9/9 properties
BEST_FIRST walk for 40004 steps (8 resets) in 236 ms. (168 steps per ms) remains 9/9 properties
[2024-06-01 19:39:30] [INFO ] Invariant cache hit.
Problem apf7 is UNSAT
Problem apf9 is UNSAT
Problem apf10 is UNSAT
At refinement iteration 0 (INCLUDED_ONLY) 0/640 variables, 640/640 constraints. Problems are: Problem set: 3 solved, 6 unsolved
Problem apf6 is UNSAT
Problem apf11 is UNSAT
At refinement iteration 1 (INCLUDED_ONLY) 0/640 variables, 128/768 constraints. Problems are: Problem set: 5 solved, 4 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/640 variables, 0/768 constraints. Problems are: Problem set: 5 solved, 4 unsolved
All remaining problems are real, not stopping.
At refinement iteration 3 (OVERLAPS) 64/704 variables, 64/832 constraints. Problems are: Problem set: 5 solved, 4 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/704 variables, 64/896 constraints. Problems are: Problem set: 5 solved, 4 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/704 variables, 0/896 constraints. Problems are: Problem set: 5 solved, 4 unsolved
At refinement iteration 6 (OVERLAPS) 512/1216 variables, 704/1600 constraints. Problems are: Problem set: 5 solved, 4 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/1216 variables, 0/1600 constraints. Problems are: Problem set: 5 solved, 4 unsolved
At refinement iteration 8 (OVERLAPS) 0/1216 variables, 0/1600 constraints. Problems are: Problem set: 5 solved, 4 unsolved
No progress, stopping.
After SMT solving in domain Real declared 1216/1216 variables, and 1600 constraints, problems are : Problem set: 5 solved, 4 unsolved in 1442 ms.
Refiners :[Domain max(s): 704/704 constraints, Positive P Invariants (semi-flows): 192/192 constraints, State Equation: 704/704 constraints, PredecessorRefiner: 9/9 constraints, Known Traps: 0/0 constraints]
Escalating to Integer solving :Problem set: 5 solved, 4 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/640 variables, 640/640 constraints. Problems are: Problem set: 5 solved, 4 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/640 variables, 128/768 constraints. Problems are: Problem set: 5 solved, 4 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/640 variables, 0/768 constraints. Problems are: Problem set: 5 solved, 4 unsolved
At refinement iteration 3 (OVERLAPS) 64/704 variables, 64/832 constraints. Problems are: Problem set: 5 solved, 4 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/704 variables, 64/896 constraints. Problems are: Problem set: 5 solved, 4 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/704 variables, 0/896 constraints. Problems are: Problem set: 5 solved, 4 unsolved
At refinement iteration 6 (OVERLAPS) 512/1216 variables, 704/1600 constraints. Problems are: Problem set: 5 solved, 4 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 1216/1216 variables, and 1604 constraints, problems are : Problem set: 5 solved, 4 unsolved in 5004 ms.
Refiners :[Domain max(s): 704/704 constraints, Positive P Invariants (semi-flows): 192/192 constraints, State Equation: 704/704 constraints, PredecessorRefiner: 4/9 constraints, Known Traps: 0/0 constraints]
After SMT, in 7219ms problems are : Problem set: 5 solved, 4 unsolved
Skipping Parikh replay, no witness traces provided.
Support contains 640 out of 704 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 704/704 places, 512/512 transitions.
Applied a total of 0 rules in 14 ms. Remains 704 /704 variables (removed 0) and now considering 512/512 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 14 ms. Remains : 704/704 places, 512/512 transitions.
RANDOM walk for 40000 steps (717 resets) in 2320 ms. (17 steps per ms) remains 4/4 properties
BEST_FIRST walk for 40004 steps (8 resets) in 241 ms. (165 steps per ms) remains 4/4 properties
BEST_FIRST walk for 40004 steps (8 resets) in 1030 ms. (38 steps per ms) remains 4/4 properties
BEST_FIRST walk for 40004 steps (8 resets) in 216 ms. (184 steps per ms) remains 4/4 properties
BEST_FIRST walk for 40004 steps (8 resets) in 258 ms. (154 steps per ms) remains 4/4 properties
Finished probabilistic random walk after 110898 steps, run visited all 4 properties in 929 ms. (steps per millisecond=119 )
Probabilistic random walk after 110898 steps, saw 34881 distinct states, run finished after 929 ms. (steps per millisecond=119 ) properties seen :4
Found 5 invariant AP formulas.
Knowledge obtained : [(AND p0 (NOT p2) p1 (NOT p3)), (X p2), (X (NOT (AND p0 (NOT p2) p1))), (X (NOT (AND (NOT p2) (NOT p1)))), (X p0), (X p1), (X (X p2)), (X (X (NOT p3))), (X (X (NOT (AND (NOT p0) (NOT p2) p1 (NOT p3))))), (X (X (NOT (AND (NOT p0) (NOT p3))))), (X (X (NOT (AND p0 (NOT p2) p1)))), (X (X (NOT (AND (NOT p2) (NOT p1))))), (X (X (NOT (AND (NOT p0) (NOT p2) (NOT p1) (NOT p3))))), (X (X (NOT (AND (NOT p2) p1)))), (X (X p0)), (X (X p1)), (F (OR (G p0) (G (NOT p0)))), (F (OR (G p2) (G (NOT p2)))), (F (OR (G p1) (G (NOT p1)))), (F (OR (G p3) (G (NOT p3)))), (G (AND (OR p0 (NOT p1) p3) (OR p0 (NOT p2) p3))), (G (OR p0 p1 p2 p3)), (G (OR (NOT p0) p1 p2 p3)), (G (OR p1 p2)), (G (OR p0 (NOT p1) p2 p3))]
False Knowledge obtained : [(F (NOT (AND p0 p1 (NOT p2) (NOT p3)))), (F (NOT (AND p0 p1 (NOT p2)))), (F (NOT p0)), (F (NOT (AND p1 (NOT p2)))), (F (NOT p1)), (F p2), (F (NOT (OR (AND p0 (NOT p3)) (AND p1 (NOT p3)) (AND p2 (NOT p3))))), (F p3)]
Knowledge based reduction with 25 factoid took 2727 ms. Reduced automaton from 7 states, 25 edges and 4 AP (stutter insensitive) to 2 states, 3 edges and 1 AP (stutter insensitive).
Stuttering acceptance computed with spot in 61 ms :[(NOT p0), (NOT p0)]
Stuttering acceptance computed with spot in 62 ms :[(NOT p0), (NOT p0)]
Support contains 64 out of 704 places. Attempting structural reductions.
Property had overlarge support with respect to TGBA, discarding it for now.
Starting structural reductions in SI_LTL mode, iteration 0 : 704/704 places, 512/512 transitions.
Applied a total of 0 rules in 13 ms. Remains 704 /704 variables (removed 0) and now considering 512/512 (removed 0) transitions.
[2024-06-01 19:39:42] [INFO ] Invariant cache hit.
[2024-06-01 19:39:42] [INFO ] Implicit Places using invariants in 338 ms returned []
[2024-06-01 19:39:42] [INFO ] Invariant cache hit.
[2024-06-01 19:39:43] [INFO ] Implicit Places using invariants and state equation in 472 ms returned []
Implicit Place search using SMT with State Equation took 814 ms to find 0 implicit places.
[2024-06-01 19:39:43] [INFO ] Redundant transitions in 2 ms returned []
Running 0 sub problems to find dead transitions.
Search for dead transitions found 0 dead transitions in 0ms
Finished structural reductions in SI_LTL mode , in 1 iterations and 840 ms. Remains : 704/704 places, 512/512 transitions.
Computed a total of 704 stabilizing places and 512 stable transitions
Complete graph has no SCC; deadlocks are unavoidable. place count 704 transition count 512
Detected that all paths lead to deadlock. Applying this knowledge to assert that all AP eventually converge (and all enablings converge to false).
Detected that all paths lead to deadlock. Applying this knowledge to assert that all AP eventually converge : F ( (Ga|G!a) & (Gb|G!b)...)
Knowledge obtained : [p0, (X p0), (X (X p0)), (F (OR (G p0) (G (NOT p0))))]
False Knowledge obtained : []
Knowledge based reduction with 4 factoid took 81 ms. Reduced automaton from 2 states, 3 edges and 1 AP (stutter insensitive) to 2 states, 3 edges and 1 AP (stutter insensitive).
Stuttering acceptance computed with spot in 57 ms :[(NOT p0), (NOT p0)]
RANDOM walk for 40000 steps (717 resets) in 1566 ms. (25 steps per ms) remains 1/1 properties
BEST_FIRST walk for 40004 steps (8 resets) in 210 ms. (189 steps per ms) remains 1/1 properties
Finished probabilistic random walk after 110898 steps, run visited all 1 properties in 524 ms. (steps per millisecond=211 )
Probabilistic random walk after 110898 steps, saw 34881 distinct states, run finished after 528 ms. (steps per millisecond=210 ) properties seen :1
Knowledge obtained : [p0, (X p0), (X (X p0)), (F (OR (G p0) (G (NOT p0))))]
False Knowledge obtained : [(F (NOT p0))]
Knowledge based reduction with 4 factoid took 119 ms. Reduced automaton from 2 states, 3 edges and 1 AP (stutter insensitive) to 2 states, 3 edges and 1 AP (stutter insensitive).
Stuttering acceptance computed with spot in 63 ms :[(NOT p0), (NOT p0)]
Stuttering acceptance computed with spot in 72 ms :[(NOT p0), (NOT p0)]
Stuttering acceptance computed with spot in 66 ms :[(NOT p0), (NOT p0)]
Product exploration explored 100000 steps with 1798 reset in 3226 ms.
Product exploration explored 100000 steps with 1798 reset in 3246 ms.
Support contains 64 out of 704 places. Attempting structural reductions.
Starting structural reductions in SI_LTL mode, iteration 0 : 704/704 places, 512/512 transitions.
Graph (complete) has 1536 edges and 704 vertex of which 192 are kept as prefixes of interest. Removing 512 places using SCC suffix rule.2 ms
Discarding 512 places :
Also discarding 0 output transitions
Applied a total of 1 rules in 29 ms. Remains 192 /704 variables (removed 512) and now considering 512/512 (removed 0) transitions.
// Phase 1: matrix 512 rows 192 cols
[2024-06-01 19:39:52] [INFO ] Computed 23 invariants in 28 ms
[2024-06-01 19:39:52] [INFO ] Implicit Places using invariants in 334 ms returned []
[2024-06-01 19:39:52] [INFO ] Invariant cache hit.
[2024-06-01 19:39:53] [INFO ] Implicit Places using invariants and state equation in 472 ms returned []
Implicit Place search using SMT with State Equation took 812 ms to find 0 implicit places.
[2024-06-01 19:39:53] [INFO ] Redundant transitions in 7 ms returned []
Running 0 sub problems to find dead transitions.
Search for dead transitions found 0 dead transitions in 0ms
Starting structural reductions in SI_LTL mode, iteration 1 : 192/704 places, 512/512 transitions.
Finished structural reductions in SI_LTL mode , in 1 iterations and 854 ms. Remains : 192/704 places, 512/512 transitions.
Treatment of property Sudoku-PT-AN08-LTLCardinality-02 finished in 49211 ms.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202405141337/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!((p0||X(F((p0&&F(p1))))))'
Support contains 576 out of 704 places. Attempting structural reductions.
Starting structural reductions in SI_LTL mode, iteration 0 : 704/704 places, 512/512 transitions.
Applied a total of 0 rules in 11 ms. Remains 704 /704 variables (removed 0) and now considering 512/512 (removed 0) transitions.
// Phase 1: matrix 512 rows 704 cols
[2024-06-01 19:39:53] [INFO ] Computed 192 invariants in 3 ms
[2024-06-01 19:39:54] [INFO ] Implicit Places using invariants in 665 ms returned []
[2024-06-01 19:39:54] [INFO ] Invariant cache hit.
[2024-06-01 19:39:54] [INFO ] Implicit Places using invariants and state equation in 709 ms returned []
Implicit Place search using SMT with State Equation took 1377 ms to find 0 implicit places.
[2024-06-01 19:39:54] [INFO ] Redundant transitions in 5 ms returned []
Running 0 sub problems to find dead transitions.
Search for dead transitions found 0 dead transitions in 0ms
Finished structural reductions in SI_LTL mode , in 1 iterations and 1397 ms. Remains : 704/704 places, 512/512 transitions.
Stuttering acceptance computed with spot in 107 ms :[(NOT p1), (NOT p0), (OR (NOT p0) (NOT p1))]
Running random walk in product with property : Sudoku-PT-AN08-LTLCardinality-04
Product exploration explored 100000 steps with 3030 reset in 6974 ms.
Product exploration explored 100000 steps with 3030 reset in 7031 ms.
Computed a total of 704 stabilizing places and 512 stable transitions
Complete graph has no SCC; deadlocks are unavoidable. place count 704 transition count 512
Detected that all paths lead to deadlock. Applying this knowledge to assert that all AP eventually converge (and all enablings converge to false).
Detected that all paths lead to deadlock. Applying this knowledge to assert that all AP eventually converge : F ( (Ga|G!a) & (Gb|G!b)...)
Knowledge obtained : [(AND (NOT p1) (NOT p0)), (X (NOT (AND p0 (NOT p1)))), (X (NOT p0)), (X (NOT p1)), (X (X (NOT (AND p0 (NOT p1))))), (X (X (NOT p1))), (X (X (NOT p0))), (F (OR (G p1) (G (NOT p1)))), (F (OR (G p0) (G (NOT p0))))]
False Knowledge obtained : []
Knowledge based reduction with 9 factoid took 250 ms. Reduced automaton from 3 states, 4 edges and 2 AP (stutter insensitive) to 5 states, 11 edges and 2 AP (stutter insensitive).
Stuttering acceptance computed with spot in 191 ms :[(NOT p1), (OR (NOT p0) (NOT p1)), (OR (NOT p0) (NOT p1)), (OR (NOT p0) (NOT p1)), (OR (NOT p0) (NOT p1))]
RANDOM walk for 40000 steps (716 resets) in 2826 ms. (14 steps per ms) remains 1/4 properties
BEST_FIRST walk for 40004 steps (8 resets) in 1372 ms. (29 steps per ms) remains 1/1 properties
[2024-06-01 19:40:19] [INFO ] Invariant cache hit.
At refinement iteration 0 (INCLUDED_ONLY) 0/576 variables, 576/576 constraints. Problems are: Problem set: 0 solved, 1 unsolved
Problem apf0 is UNSAT
After SMT solving in domain Real declared 576/1216 variables, and 640 constraints, problems are : Problem set: 1 solved, 0 unsolved in 138 ms.
Refiners :[Domain max(s): 576/704 constraints, Positive P Invariants (semi-flows): 64/192 constraints, State Equation: 0/704 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 0/0 constraints]
After SMT, in 253ms problems are : Problem set: 1 solved, 0 unsolved
Skipping Parikh replay, no witness traces provided.
Found 1 invariant AP formulas.
Knowledge obtained : [(AND (NOT p1) (NOT p0)), (X (NOT (AND p0 (NOT p1)))), (X (NOT p0)), (X (NOT p1)), (X (X (NOT (AND p0 (NOT p1))))), (X (X (NOT p1))), (X (X (NOT p0))), (F (OR (G p1) (G (NOT p1)))), (F (OR (G p0) (G (NOT p0)))), (G (OR (NOT p0) p1))]
False Knowledge obtained : [(F p0), (F (NOT (OR (NOT p0) (NOT p1)))), (F p1)]
Knowledge based reduction with 10 factoid took 382 ms. Reduced automaton from 5 states, 11 edges and 2 AP (stutter insensitive) to 2 states, 3 edges and 1 AP (stutter insensitive).
Stuttering acceptance computed with spot in 61 ms :[(NOT p0), (NOT p0)]
Stuttering acceptance computed with spot in 68 ms :[(NOT p0), (NOT p0)]
[2024-06-01 19:40:20] [INFO ] Invariant cache hit.
[2024-06-01 19:40:22] [INFO ] [Real]Absence check using 192 positive place invariants in 167 ms returned sat
[2024-06-01 19:40:23] [INFO ] [Real]Absence check using state equation in 1021 ms returned sat
[2024-06-01 19:40:23] [INFO ] Solution in real domain found non-integer solution.
[2024-06-01 19:40:26] [INFO ] [Nat]Absence check using 192 positive place invariants in 45 ms returned sat
[2024-06-01 19:40:26] [INFO ] [Nat]Absence check using state equation in 165 ms returned sat
[2024-06-01 19:40:26] [INFO ] Computed and/alt/rep : 0/0/0 causal constraints (skipped 0 transitions) in 23 ms.
[2024-06-01 19:40:26] [INFO ] Added : 0 causal constraints over 0 iterations in 67 ms. Result :sat
Could not prove EG (NOT p0)
Support contains 576 out of 704 places. Attempting structural reductions.
Starting structural reductions in SI_LTL mode, iteration 0 : 704/704 places, 512/512 transitions.
Applied a total of 0 rules in 16 ms. Remains 704 /704 variables (removed 0) and now considering 512/512 (removed 0) transitions.
[2024-06-01 19:40:26] [INFO ] Invariant cache hit.
[2024-06-01 19:40:27] [INFO ] Implicit Places using invariants in 558 ms returned []
[2024-06-01 19:40:27] [INFO ] Invariant cache hit.
[2024-06-01 19:40:27] [INFO ] Implicit Places using invariants and state equation in 720 ms returned []
Implicit Place search using SMT with State Equation took 1282 ms to find 0 implicit places.
[2024-06-01 19:40:27] [INFO ] Redundant transitions in 2 ms returned []
Running 0 sub problems to find dead transitions.
Search for dead transitions found 0 dead transitions in 4ms
Finished structural reductions in SI_LTL mode , in 1 iterations and 1310 ms. Remains : 704/704 places, 512/512 transitions.
Computed a total of 704 stabilizing places and 512 stable transitions
Complete graph has no SCC; deadlocks are unavoidable. place count 704 transition count 512
Detected that all paths lead to deadlock. Applying this knowledge to assert that all AP eventually converge (and all enablings converge to false).
Detected that all paths lead to deadlock. Applying this knowledge to assert that all AP eventually converge : F ( (Ga|G!a) & (Gb|G!b)...)
Knowledge obtained : [(NOT p0), (X (NOT p0)), (X (X (NOT p0))), (F (OR (G p0) (G (NOT p0))))]
False Knowledge obtained : []
Knowledge based reduction with 4 factoid took 102 ms. Reduced automaton from 2 states, 3 edges and 1 AP (stutter insensitive) to 2 states, 3 edges and 1 AP (stutter insensitive).
Stuttering acceptance computed with spot in 73 ms :[(NOT p0), (NOT p0)]
RANDOM walk for 128 steps (0 resets) in 23 ms. (5 steps per ms) remains 0/1 properties
Knowledge obtained : [(NOT p0), (X (NOT p0)), (X (X (NOT p0))), (F (OR (G p0) (G (NOT p0))))]
False Knowledge obtained : [(F p0)]
Knowledge based reduction with 4 factoid took 117 ms. Reduced automaton from 2 states, 3 edges and 1 AP (stutter insensitive) to 2 states, 3 edges and 1 AP (stutter insensitive).
Stuttering acceptance computed with spot in 79 ms :[(NOT p0), (NOT p0)]
Stuttering acceptance computed with spot in 60 ms :[(NOT p0), (NOT p0)]
[2024-06-01 19:40:32] [INFO ] Invariant cache hit.
[2024-06-01 19:40:33] [INFO ] [Real]Absence check using 192 positive place invariants in 161 ms returned sat
[2024-06-01 19:40:34] [INFO ] [Real]Absence check using state equation in 995 ms returned sat
[2024-06-01 19:40:34] [INFO ] Solution in real domain found non-integer solution.
[2024-06-01 19:40:37] [INFO ] [Nat]Absence check using 192 positive place invariants in 53 ms returned sat
[2024-06-01 19:40:37] [INFO ] [Nat]Absence check using state equation in 161 ms returned sat
[2024-06-01 19:40:37] [INFO ] Computed and/alt/rep : 0/0/0 causal constraints (skipped 0 transitions) in 22 ms.
[2024-06-01 19:40:37] [INFO ] Added : 0 causal constraints over 0 iterations in 65 ms. Result :sat
Could not prove EG (NOT p0)
Stuttering acceptance computed with spot in 65 ms :[(NOT p0), (NOT p0)]
Product exploration explored 100000 steps with 3030 reset in 5849 ms.
Product exploration explored 100000 steps with 3030 reset in 6078 ms.
Support contains 576 out of 704 places. Attempting structural reductions.
Starting structural reductions in SI_LTL mode, iteration 0 : 704/704 places, 512/512 transitions.
Applied a total of 0 rules in 9 ms. Remains 704 /704 variables (removed 0) and now considering 512/512 (removed 0) transitions.
[2024-06-01 19:40:49] [INFO ] Invariant cache hit.
[2024-06-01 19:40:50] [INFO ] Implicit Places using invariants in 562 ms returned []
[2024-06-01 19:40:50] [INFO ] Invariant cache hit.
[2024-06-01 19:40:50] [INFO ] Implicit Places using invariants and state equation in 713 ms returned []
Implicit Place search using SMT with State Equation took 1277 ms to find 0 implicit places.
[2024-06-01 19:40:50] [INFO ] Redundant transitions in 3 ms returned []
Running 0 sub problems to find dead transitions.
Search for dead transitions found 0 dead transitions in 0ms
Finished structural reductions in SI_LTL mode , in 1 iterations and 1300 ms. Remains : 704/704 places, 512/512 transitions.
Treatment of property Sudoku-PT-AN08-LTLCardinality-04 finished in 57620 ms.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202405141337/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!(X((p0||X(G(p0)))))'
Support contains 64 out of 704 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 704/704 places, 512/512 transitions.
Reduce places removed 512 places and 0 transitions.
Iterating post reduction 0 with 512 rules applied. Total rules applied 512 place count 192 transition count 512
Applied a total of 512 rules in 13 ms. Remains 192 /704 variables (removed 512) and now considering 512/512 (removed 0) transitions.
// Phase 1: matrix 512 rows 192 cols
[2024-06-01 19:40:51] [INFO ] Computed 23 invariants in 12 ms
[2024-06-01 19:40:51] [INFO ] Implicit Places using invariants in 295 ms returned []
[2024-06-01 19:40:51] [INFO ] Invariant cache hit.
[2024-06-01 19:40:51] [INFO ] Implicit Places using invariants and state equation in 522 ms returned []
Implicit Place search using SMT with State Equation took 818 ms to find 0 implicit places.
Running 0 sub problems to find dead transitions.
Search for dead transitions found 0 dead transitions in 0ms
Starting structural reductions in LTL mode, iteration 1 : 192/704 places, 512/512 transitions.
Finished structural reductions in LTL mode , in 1 iterations and 833 ms. Remains : 192/704 places, 512/512 transitions.
Stuttering acceptance computed with spot in 128 ms :[true, (NOT p0), (NOT p0), (NOT p0)]
Running random walk in product with property : Sudoku-PT-AN08-LTLCardinality-06
Entered a terminal (fully accepting) state of product in 2 steps with 0 reset in 0 ms.
FORMULA Sudoku-PT-AN08-LTLCardinality-06 FALSE TECHNIQUES STUTTER_TEST
Treatment of property Sudoku-PT-AN08-LTLCardinality-06 finished in 978 ms.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202405141337/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!(X(F(p0)))'
Support contains 64 out of 704 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 704/704 places, 512/512 transitions.
Reduce places removed 512 places and 0 transitions.
Iterating post reduction 0 with 512 rules applied. Total rules applied 512 place count 192 transition count 512
Applied a total of 512 rules in 5 ms. Remains 192 /704 variables (removed 512) and now considering 512/512 (removed 0) transitions.
[2024-06-01 19:40:52] [INFO ] Invariant cache hit.
[2024-06-01 19:40:52] [INFO ] Implicit Places using invariants in 270 ms returned []
[2024-06-01 19:40:52] [INFO ] Invariant cache hit.
[2024-06-01 19:40:52] [INFO ] Implicit Places using invariants and state equation in 543 ms returned []
Implicit Place search using SMT with State Equation took 815 ms to find 0 implicit places.
Running 0 sub problems to find dead transitions.
Search for dead transitions found 0 dead transitions in 0ms
Starting structural reductions in LTL mode, iteration 1 : 192/704 places, 512/512 transitions.
Finished structural reductions in LTL mode , in 1 iterations and 821 ms. Remains : 192/704 places, 512/512 transitions.
Stuttering acceptance computed with spot in 78 ms :[(NOT p0), (NOT p0)]
Running random walk in product with property : Sudoku-PT-AN08-LTLCardinality-07
Product exploration explored 100000 steps with 50000 reset in 4855 ms.
Product exploration explored 100000 steps with 50000 reset in 4870 ms.
Computed a total of 192 stabilizing places and 512 stable transitions
Complete graph has no SCC; deadlocks are unavoidable. place count 192 transition count 512
Detected that all paths lead to deadlock. Applying this knowledge to assert that all AP eventually converge (and all enablings converge to false).
Detected that all paths lead to deadlock. Applying this knowledge to assert that all AP eventually converge : F ( (Ga|G!a) & (Gb|G!b)...)
Knowledge obtained : [p0, (X p0), (X (X p0)), (F (OR (G p0) (G (NOT p0))))]
False Knowledge obtained : []
Property proved to be true thanks to knowledge (Minato strategy)
Knowledge based reduction with 4 factoid took 11 ms. Reduced automaton from 2 states, 2 edges and 1 AP (stutter sensitive) to 1 states, 0 edges and 0 AP (stutter insensitive).
FORMULA Sudoku-PT-AN08-LTLCardinality-07 TRUE TECHNIQUES KNOWLEDGE
Treatment of property Sudoku-PT-AN08-LTLCardinality-07 finished in 11799 ms.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202405141337/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!(G(F(p0)))'
Support contains 2 out of 704 places. Attempting structural reductions.
Starting structural reductions in SI_LTL mode, iteration 0 : 704/704 places, 512/512 transitions.
Graph (complete) has 1536 edges and 704 vertex of which 192 are kept as prefixes of interest. Removing 512 places using SCC suffix rule.3 ms
Discarding 512 places :
Also discarding 0 output transitions
Applied a total of 1 rules in 14 ms. Remains 192 /704 variables (removed 512) and now considering 512/512 (removed 0) transitions.
[2024-06-01 19:41:03] [INFO ] Invariant cache hit.
[2024-06-01 19:41:04] [INFO ] Implicit Places using invariants in 360 ms returned []
[2024-06-01 19:41:04] [INFO ] Invariant cache hit.
[2024-06-01 19:41:04] [INFO ] Implicit Places using invariants and state equation in 598 ms returned []
Implicit Place search using SMT with State Equation took 962 ms to find 0 implicit places.
[2024-06-01 19:41:04] [INFO ] Redundant transitions in 7 ms returned []
Running 0 sub problems to find dead transitions.
Search for dead transitions found 0 dead transitions in 0ms
Starting structural reductions in SI_LTL mode, iteration 1 : 192/704 places, 512/512 transitions.
Finished structural reductions in SI_LTL mode , in 1 iterations and 989 ms. Remains : 192/704 places, 512/512 transitions.
Stuttering acceptance computed with spot in 64 ms :[(NOT p0), (NOT p0)]
Running random walk in product with property : Sudoku-PT-AN08-LTLCardinality-09
Stuttering criterion allowed to conclude after 52 steps with 0 reset in 3 ms.
FORMULA Sudoku-PT-AN08-LTLCardinality-09 FALSE TECHNIQUES STUTTER_TEST
Treatment of property Sudoku-PT-AN08-LTLCardinality-09 finished in 1067 ms.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202405141337/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!(X(G(p0)))'
Support contains 2 out of 704 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 704/704 places, 512/512 transitions.
Reduce places removed 512 places and 0 transitions.
Iterating post reduction 0 with 512 rules applied. Total rules applied 512 place count 192 transition count 512
Applied a total of 512 rules in 8 ms. Remains 192 /704 variables (removed 512) and now considering 512/512 (removed 0) transitions.
[2024-06-01 19:41:04] [INFO ] Invariant cache hit.
[2024-06-01 19:41:05] [INFO ] Implicit Places using invariants in 373 ms returned []
[2024-06-01 19:41:05] [INFO ] Invariant cache hit.
[2024-06-01 19:41:05] [INFO ] Implicit Places using invariants and state equation in 596 ms returned []
Implicit Place search using SMT with State Equation took 977 ms to find 0 implicit places.
Running 0 sub problems to find dead transitions.
Search for dead transitions found 0 dead transitions in 0ms
Starting structural reductions in LTL mode, iteration 1 : 192/704 places, 512/512 transitions.
Finished structural reductions in LTL mode , in 1 iterations and 986 ms. Remains : 192/704 places, 512/512 transitions.
Stuttering acceptance computed with spot in 71 ms :[true, (NOT p0), (NOT p0)]
Running random walk in product with property : Sudoku-PT-AN08-LTLCardinality-10
Entered a terminal (fully accepting) state of product in 56 steps with 1 reset in 6 ms.
FORMULA Sudoku-PT-AN08-LTLCardinality-10 FALSE TECHNIQUES STUTTER_TEST
Treatment of property Sudoku-PT-AN08-LTLCardinality-10 finished in 1083 ms.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202405141337/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!((G(p0)||F(p1)))'
Support contains 4 out of 704 places. Attempting structural reductions.
Starting structural reductions in SI_LTL mode, iteration 0 : 704/704 places, 512/512 transitions.
Graph (complete) has 1536 edges and 704 vertex of which 193 are kept as prefixes of interest. Removing 511 places using SCC suffix rule.2 ms
Discarding 511 places :
Also discarding 0 output transitions
Applied a total of 1 rules in 17 ms. Remains 193 /704 variables (removed 511) and now considering 512/512 (removed 0) transitions.
// Phase 1: matrix 512 rows 193 cols
[2024-06-01 19:41:06] [INFO ] Computed 23 invariants in 18 ms
[2024-06-01 19:41:06] [INFO ] Implicit Places using invariants in 430 ms returned []
[2024-06-01 19:41:06] [INFO ] Invariant cache hit.
[2024-06-01 19:41:07] [INFO ] Implicit Places using invariants and state equation in 610 ms returned []
Implicit Place search using SMT with State Equation took 1043 ms to find 0 implicit places.
[2024-06-01 19:41:07] [INFO ] Redundant transitions in 7 ms returned []
Running 0 sub problems to find dead transitions.
Search for dead transitions found 0 dead transitions in 0ms
Starting structural reductions in SI_LTL mode, iteration 1 : 193/704 places, 512/512 transitions.
Finished structural reductions in SI_LTL mode , in 1 iterations and 1075 ms. Remains : 193/704 places, 512/512 transitions.
Stuttering acceptance computed with spot in 67 ms :[(NOT p1), (AND (NOT p1) (NOT p0))]
Running random walk in product with property : Sudoku-PT-AN08-LTLCardinality-12
Stuttering criterion allowed to conclude after 54 steps with 0 reset in 2 ms.
FORMULA Sudoku-PT-AN08-LTLCardinality-12 FALSE TECHNIQUES STUTTER_TEST
Treatment of property Sudoku-PT-AN08-LTLCardinality-12 finished in 1160 ms.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202405141337/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!(F(p0))'
Support contains 2 out of 704 places. Attempting structural reductions.
Starting structural reductions in SI_LTL mode, iteration 0 : 704/704 places, 512/512 transitions.
Graph (complete) has 1536 edges and 704 vertex of which 181 are kept as prefixes of interest. Removing 523 places using SCC suffix rule.1 ms
Discarding 523 places :
Also discarding 0 output transitions
Applied a total of 1 rules in 48 ms. Remains 181 /704 variables (removed 523) and now considering 512/512 (removed 0) transitions.
// Phase 1: matrix 512 rows 181 cols
[2024-06-01 19:41:07] [INFO ] Computed 17 invariants in 10 ms
[2024-06-01 19:41:07] [INFO ] Implicit Places using invariants in 240 ms returned []
[2024-06-01 19:41:07] [INFO ] Invariant cache hit.
[2024-06-01 19:41:07] [INFO ] Implicit Places using invariants and state equation in 483 ms returned []
Implicit Place search using SMT with State Equation took 727 ms to find 0 implicit places.
[2024-06-01 19:41:07] [INFO ] Redundant transitions in 19 ms returned []
Running 0 sub problems to find dead transitions.
Search for dead transitions found 0 dead transitions in 0ms
Starting structural reductions in SI_LTL mode, iteration 1 : 181/704 places, 512/512 transitions.
Finished structural reductions in SI_LTL mode , in 1 iterations and 799 ms. Remains : 181/704 places, 512/512 transitions.
Stuttering acceptance computed with spot in 33 ms :[(NOT p0)]
Running random walk in product with property : Sudoku-PT-AN08-LTLCardinality-14
Stuttering criterion allowed to conclude after 92 steps with 1 reset in 3 ms.
FORMULA Sudoku-PT-AN08-LTLCardinality-14 FALSE TECHNIQUES STUTTER_TEST
Treatment of property Sudoku-PT-AN08-LTLCardinality-14 finished in 852 ms.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202405141337/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!(F(p0))'
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202405141337/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!(F(G((p0||X((((p1 U p2)||G(F(p3))) U (p0&&((p1 U p2)||G(F(p3))))))))))'
Found a Lengthening insensitive property : Sudoku-PT-AN08-LTLCardinality-02
Stuttering acceptance computed with spot in 290 ms :[(NOT p0), (NOT p0), (AND (NOT p0) (NOT p3)), (AND (NOT p0) (NOT p3)), (AND (NOT p0) (NOT p2) (NOT p3)), (AND (NOT p0) (NOT p2) (NOT p3)), (AND (NOT p0) (NOT p3))]
Support contains 640 out of 704 places. Attempting structural reductions.
Starting structural reductions in LI_LTL mode, iteration 0 : 704/704 places, 512/512 transitions.
Applied a total of 0 rules in 6 ms. Remains 704 /704 variables (removed 0) and now considering 512/512 (removed 0) transitions.
// Phase 1: matrix 512 rows 704 cols
[2024-06-01 19:41:08] [INFO ] Computed 192 invariants in 4 ms
[2024-06-01 19:41:09] [INFO ] Implicit Places using invariants in 373 ms returned []
[2024-06-01 19:41:09] [INFO ] Invariant cache hit.
[2024-06-01 19:41:09] [INFO ] Implicit Places using invariants and state equation in 487 ms returned []
Implicit Place search using SMT with State Equation took 865 ms to find 0 implicit places.
Running 0 sub problems to find dead transitions.
Search for dead transitions found 0 dead transitions in 0ms
Finished structural reductions in LI_LTL mode , in 1 iterations and 872 ms. Remains : 704/704 places, 512/512 transitions.
Running random walk in product with property : Sudoku-PT-AN08-LTLCardinality-02
Product exploration explored 100000 steps with 1799 reset in 3362 ms.
Product exploration explored 100000 steps with 1798 reset in 3440 ms.
Computed a total of 704 stabilizing places and 512 stable transitions
Complete graph has no SCC; deadlocks are unavoidable. place count 704 transition count 512
Detected that all paths lead to deadlock. Applying this knowledge to assert that all AP eventually converge (and all enablings converge to false).
Detected that all paths lead to deadlock. Applying this knowledge to assert that all AP eventually converge : F ( (Ga|G!a) & (Gb|G!b)...)
Knowledge obtained : [(AND p0 (NOT p2) p1 (NOT p3)), (X p2), (X (NOT (AND p0 (NOT p2) p1))), (X (NOT (AND (NOT p2) (NOT p1)))), (X p0), (X p1), (X (X p2)), (X (X (NOT p3))), (X (X (NOT (AND (NOT p0) (NOT p2) p1 (NOT p3))))), (X (X (NOT (AND (NOT p0) (NOT p3))))), (X (X (NOT (AND p0 (NOT p2) p1)))), (X (X (NOT (AND (NOT p2) (NOT p1))))), (X (X (NOT (AND (NOT p0) (NOT p2) (NOT p1) (NOT p3))))), (X (X (NOT (AND (NOT p2) p1)))), (X (X p0)), (X (X p1)), (F (OR (G p0) (G (NOT p0)))), (F (OR (G p2) (G (NOT p2)))), (F (OR (G p1) (G (NOT p1)))), (F (OR (G p3) (G (NOT p3))))]
False Knowledge obtained : []
Knowledge sufficient to adopt a stutter insensitive property.
Knowledge based reduction with 20 factoid took 1138 ms. Reduced automaton from 7 states, 20 edges and 4 AP (stutter sensitive) to 7 states, 25 edges and 4 AP (stutter insensitive).
Stuttering acceptance computed with spot in 314 ms :[(NOT p0), (NOT p0), (AND (NOT p0) (NOT p3)), (AND (NOT p0) (NOT p3)), (AND (NOT p0) (NOT p2) (NOT p3)), (AND (NOT p0) (NOT p2) (NOT p3)), (AND (NOT p0) (NOT p3))]
RANDOM walk for 40000 steps (718 resets) in 2586 ms. (15 steps per ms) remains 9/13 properties
BEST_FIRST walk for 40004 steps (8 resets) in 230 ms. (173 steps per ms) remains 9/9 properties
BEST_FIRST walk for 40004 steps (8 resets) in 1012 ms. (39 steps per ms) remains 9/9 properties
BEST_FIRST walk for 40004 steps (8 resets) in 237 ms. (168 steps per ms) remains 9/9 properties
BEST_FIRST walk for 40004 steps (8 resets) in 880 ms. (45 steps per ms) remains 9/9 properties
BEST_FIRST walk for 40004 steps (8 resets) in 1042 ms. (38 steps per ms) remains 9/9 properties
BEST_FIRST walk for 40004 steps (8 resets) in 886 ms. (45 steps per ms) remains 9/9 properties
BEST_FIRST walk for 40004 steps (8 resets) in 884 ms. (45 steps per ms) remains 9/9 properties
BEST_FIRST walk for 40004 steps (8 resets) in 775 ms. (51 steps per ms) remains 9/9 properties
BEST_FIRST walk for 40004 steps (8 resets) in 226 ms. (176 steps per ms) remains 9/9 properties
[2024-06-01 19:41:33] [INFO ] Invariant cache hit.
Problem apf7 is UNSAT
Problem apf9 is UNSAT
Problem apf10 is UNSAT
At refinement iteration 0 (INCLUDED_ONLY) 0/640 variables, 640/640 constraints. Problems are: Problem set: 3 solved, 6 unsolved
Problem apf6 is UNSAT
Problem apf11 is UNSAT
At refinement iteration 1 (INCLUDED_ONLY) 0/640 variables, 128/768 constraints. Problems are: Problem set: 5 solved, 4 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/640 variables, 0/768 constraints. Problems are: Problem set: 5 solved, 4 unsolved
All remaining problems are real, not stopping.
At refinement iteration 3 (OVERLAPS) 64/704 variables, 64/832 constraints. Problems are: Problem set: 5 solved, 4 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/704 variables, 64/896 constraints. Problems are: Problem set: 5 solved, 4 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/704 variables, 0/896 constraints. Problems are: Problem set: 5 solved, 4 unsolved
At refinement iteration 6 (OVERLAPS) 512/1216 variables, 704/1600 constraints. Problems are: Problem set: 5 solved, 4 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/1216 variables, 0/1600 constraints. Problems are: Problem set: 5 solved, 4 unsolved
At refinement iteration 8 (OVERLAPS) 0/1216 variables, 0/1600 constraints. Problems are: Problem set: 5 solved, 4 unsolved
No progress, stopping.
After SMT solving in domain Real declared 1216/1216 variables, and 1600 constraints, problems are : Problem set: 5 solved, 4 unsolved in 1395 ms.
Refiners :[Domain max(s): 704/704 constraints, Positive P Invariants (semi-flows): 192/192 constraints, State Equation: 704/704 constraints, PredecessorRefiner: 9/9 constraints, Known Traps: 0/0 constraints]
Escalating to Integer solving :Problem set: 5 solved, 4 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/640 variables, 640/640 constraints. Problems are: Problem set: 5 solved, 4 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/640 variables, 128/768 constraints. Problems are: Problem set: 5 solved, 4 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/640 variables, 0/768 constraints. Problems are: Problem set: 5 solved, 4 unsolved
At refinement iteration 3 (OVERLAPS) 64/704 variables, 64/832 constraints. Problems are: Problem set: 5 solved, 4 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/704 variables, 64/896 constraints. Problems are: Problem set: 5 solved, 4 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/704 variables, 0/896 constraints. Problems are: Problem set: 5 solved, 4 unsolved
At refinement iteration 6 (OVERLAPS) 512/1216 variables, 704/1600 constraints. Problems are: Problem set: 5 solved, 4 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 1216/1216 variables, and 1604 constraints, problems are : Problem set: 5 solved, 4 unsolved in 4502 ms.
Refiners :[Domain max(s): 704/704 constraints, Positive P Invariants (semi-flows): 192/192 constraints, State Equation: 704/704 constraints, PredecessorRefiner: 4/9 constraints, Known Traps: 0/0 constraints]
After SMT, in 6532ms problems are : Problem set: 5 solved, 4 unsolved
Fused 4 Parikh solutions to 2 different solutions.
Finished Parikh walk after 64 steps, including 0 resets, run visited all 4 properties in 5 ms. (steps per millisecond=12 )
Finished Parikh walk after 0 steps, including 0 resets, run visited all 0 properties in 1 ms. (steps per millisecond=0 )
Parikh walk visited 4 properties in 10 ms.
Found 5 invariant AP formulas.
Knowledge obtained : [(AND p0 (NOT p2) p1 (NOT p3)), (X p2), (X (NOT (AND p0 (NOT p2) p1))), (X (NOT (AND (NOT p2) (NOT p1)))), (X p0), (X p1), (X (X p2)), (X (X (NOT p3))), (X (X (NOT (AND (NOT p0) (NOT p2) p1 (NOT p3))))), (X (X (NOT (AND (NOT p0) (NOT p3))))), (X (X (NOT (AND p0 (NOT p2) p1)))), (X (X (NOT (AND (NOT p2) (NOT p1))))), (X (X (NOT (AND (NOT p0) (NOT p2) (NOT p1) (NOT p3))))), (X (X (NOT (AND (NOT p2) p1)))), (X (X p0)), (X (X p1)), (F (OR (G p0) (G (NOT p0)))), (F (OR (G p2) (G (NOT p2)))), (F (OR (G p1) (G (NOT p1)))), (F (OR (G p3) (G (NOT p3)))), (G (AND (OR p0 (NOT p1) p3) (OR p0 (NOT p2) p3))), (G (OR p0 p1 p2 p3)), (G (OR (NOT p0) p1 p2 p3)), (G (OR p1 p2)), (G (OR p0 (NOT p1) p2 p3))]
False Knowledge obtained : [(F (NOT (AND p0 p1 (NOT p2) (NOT p3)))), (F (NOT (AND p0 p1 (NOT p2)))), (F (NOT p0)), (F (NOT (AND p1 (NOT p2)))), (F (NOT p1)), (F p2), (F (NOT (OR (AND p0 (NOT p3)) (AND p1 (NOT p3)) (AND p2 (NOT p3))))), (F p3)]
Knowledge based reduction with 25 factoid took 2830 ms. Reduced automaton from 7 states, 25 edges and 4 AP (stutter insensitive) to 2 states, 3 edges and 1 AP (stutter insensitive).
Stuttering acceptance computed with spot in 79 ms :[(NOT p0), (NOT p0)]
Stuttering acceptance computed with spot in 61 ms :[(NOT p0), (NOT p0)]
Support contains 64 out of 704 places. Attempting structural reductions.
Property had overlarge support with respect to TGBA, discarding it for now.
Starting structural reductions in SI_LTL mode, iteration 0 : 704/704 places, 512/512 transitions.
Applied a total of 0 rules in 13 ms. Remains 704 /704 variables (removed 0) and now considering 512/512 (removed 0) transitions.
[2024-06-01 19:41:43] [INFO ] Invariant cache hit.
[2024-06-01 19:41:43] [INFO ] Implicit Places using invariants in 359 ms returned []
[2024-06-01 19:41:43] [INFO ] Invariant cache hit.
[2024-06-01 19:41:44] [INFO ] Implicit Places using invariants and state equation in 494 ms returned []
Implicit Place search using SMT with State Equation took 855 ms to find 0 implicit places.
[2024-06-01 19:41:44] [INFO ] Redundant transitions in 13 ms returned []
Running 0 sub problems to find dead transitions.
Search for dead transitions found 0 dead transitions in 0ms
Finished structural reductions in SI_LTL mode , in 1 iterations and 886 ms. Remains : 704/704 places, 512/512 transitions.
Computed a total of 704 stabilizing places and 512 stable transitions
Complete graph has no SCC; deadlocks are unavoidable. place count 704 transition count 512
Detected that all paths lead to deadlock. Applying this knowledge to assert that all AP eventually converge (and all enablings converge to false).
Detected that all paths lead to deadlock. Applying this knowledge to assert that all AP eventually converge : F ( (Ga|G!a) & (Gb|G!b)...)
Knowledge obtained : [p0, (X p0), (X (X p0)), (F (OR (G p0) (G (NOT p0))))]
False Knowledge obtained : []
Knowledge based reduction with 4 factoid took 95 ms. Reduced automaton from 2 states, 3 edges and 1 AP (stutter insensitive) to 2 states, 3 edges and 1 AP (stutter insensitive).
Stuttering acceptance computed with spot in 75 ms :[(NOT p0), (NOT p0)]
RANDOM walk for 40000 steps (717 resets) in 1908 ms. (20 steps per ms) remains 1/1 properties
BEST_FIRST walk for 40004 steps (8 resets) in 252 ms. (158 steps per ms) remains 1/1 properties
Finished probabilistic random walk after 110898 steps, run visited all 1 properties in 518 ms. (steps per millisecond=214 )
Probabilistic random walk after 110898 steps, saw 34881 distinct states, run finished after 518 ms. (steps per millisecond=214 ) properties seen :1
Knowledge obtained : [p0, (X p0), (X (X p0)), (F (OR (G p0) (G (NOT p0))))]
False Knowledge obtained : [(F (NOT p0))]
Knowledge based reduction with 4 factoid took 116 ms. Reduced automaton from 2 states, 3 edges and 1 AP (stutter insensitive) to 2 states, 3 edges and 1 AP (stutter insensitive).
Stuttering acceptance computed with spot in 69 ms :[(NOT p0), (NOT p0)]
Stuttering acceptance computed with spot in 60 ms :[(NOT p0), (NOT p0)]
Stuttering acceptance computed with spot in 81 ms :[(NOT p0), (NOT p0)]
Product exploration explored 100000 steps with 1797 reset in 3229 ms.
Product exploration explored 100000 steps with 1798 reset in 3259 ms.
Support contains 64 out of 704 places. Attempting structural reductions.
Starting structural reductions in SI_LTL mode, iteration 0 : 704/704 places, 512/512 transitions.
Graph (complete) has 1536 edges and 704 vertex of which 192 are kept as prefixes of interest. Removing 512 places using SCC suffix rule.1 ms
Discarding 512 places :
Also discarding 0 output transitions
Applied a total of 1 rules in 7 ms. Remains 192 /704 variables (removed 512) and now considering 512/512 (removed 0) transitions.
// Phase 1: matrix 512 rows 192 cols
[2024-06-01 19:41:53] [INFO ] Computed 23 invariants in 11 ms
[2024-06-01 19:41:54] [INFO ] Implicit Places using invariants in 291 ms returned []
[2024-06-01 19:41:54] [INFO ] Invariant cache hit.
[2024-06-01 19:41:54] [INFO ] Implicit Places using invariants and state equation in 474 ms returned []
Implicit Place search using SMT with State Equation took 767 ms to find 0 implicit places.
[2024-06-01 19:41:54] [INFO ] Redundant transitions in 5 ms returned []
Running 0 sub problems to find dead transitions.
Search for dead transitions found 0 dead transitions in 0ms
Starting structural reductions in SI_LTL mode, iteration 1 : 192/704 places, 512/512 transitions.
Finished structural reductions in SI_LTL mode , in 1 iterations and 784 ms. Remains : 192/704 places, 512/512 transitions.
Treatment of property Sudoku-PT-AN08-LTLCardinality-02 finished in 46590 ms.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202405141337/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!((p0||X(F((p0&&F(p1))))))'
[2024-06-01 19:41:54] [INFO ] Flatten gal took : 38 ms
[2024-06-01 19:41:54] [INFO ] Export to MCC of 3 properties in file /home/mcc/execution/LTLCardinality.sr.xml took 2 ms.
[2024-06-01 19:41:54] [INFO ] Export to PNML in file /home/mcc/execution/model.sr.pnml of net with 704 places, 512 transitions and 2048 arcs took 5 ms.
Total runtime 235653 ms.
There are residual formulas that ITS could not solve within timeout

BK_TIME_CONFINEMENT_REACHED

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

+ ulimit -s 65536
+ [[ -z '' ]]
+ export LTSMIN_MEM_SIZE=8589934592
+ LTSMIN_MEM_SIZE=8589934592
+ export PYTHONPATH=/home/mcc/BenchKit/itstools/pylibs
+ PYTHONPATH=/home/mcc/BenchKit/itstools/pylibs
+ export LD_LIBRARY_PATH=/home/mcc/BenchKit/itstools/pylibs:
+ LD_LIBRARY_PATH=/home/mcc/BenchKit/itstools/pylibs:
++ sed s/.jar//
++ perl -pe 's/.*\.//g'
++ ls /home/mcc/BenchKit/bin//../reducer/bin//../../itstools//itstools/plugins/fr.lip6.move.gal.application.pnmcc_1.0.0.202405141337.jar
+ VERSION=202405141337
+ echo 'Running Version 202405141337'
+ /home/mcc/BenchKit/bin//../reducer/bin//../../itstools//itstools/its-tools -pnfolder /home/mcc/execution -examination LTLCardinality -timeout 360 -rebuildPNML
mcc2024

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="Sudoku-PT-AN08"
export BK_EXAMINATION="LTLCardinality"
export BK_TOOL="ltsminxred"
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 2-5568"
echo " Executing tool ltsminxred"
echo " Input is Sudoku-PT-AN08, examination is LTLCardinality"
echo " Time confinement is $BK_TIME_CONFINEMENT seconds"
echo " Memory confinement is 16384 MBytes"
echo " Number of cores is 4"
echo " Run identifier is r536-tall-171690532800627"
echo "====================================================================="
echo
echo "--------------------"
echo "preparation of the directory to be used:"

tar xzf /home/mcc/BenchKit/INPUTS/Sudoku-PT-AN08.tgz
mv Sudoku-PT-AN08 execution
cd execution
if [ "LTLCardinality" = "ReachabilityDeadlock" ] || [ "LTLCardinality" = "UpperBounds" ] || [ "LTLCardinality" = "QuasiLiveness" ] || [ "LTLCardinality" = "StableMarking" ] || [ "LTLCardinality" = "Liveness" ] || [ "LTLCardinality" = "OneSafe" ] || [ "LTLCardinality" = "StateSpace" ]; then
rm -f GenericPropertiesVerdict.xml
fi
pwd
ls -lh

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