fond
Model Checking Contest 2024
14th edition, Geneva, Switzerland, June 25, 2024
Execution of r135-tall-171631130200003
Last Updated
July 7, 2024

About the Execution of GreatSPN+red for DatabaseWithMutex-COL-02

Execution Summary
Max Memory
Used (MB)
Time wait (ms) CPU Usage (ms) I/O Wait (ms) Computed Result Execution
Status
504.703 29027.00 51290.00 309.80 FFFTTFFFFTFFFTFT 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.r135-tall-171631130200003.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 greatspnxred
Input is DatabaseWithMutex-COL-02, examination is LTLCardinality
Time confinement is 3600 seconds
Memory confinement is 16384 MBytes
Number of cores is 4
Run identifier is r135-tall-171631130200003
=====================================================================

--------------------
preparation of the directory to be used:
/home/mcc/execution
total 432K
-rw-r--r-- 1 mcc users 9.5K Apr 11 17:56 CTLCardinality.txt
-rw-r--r-- 1 mcc users 95K Apr 11 17:56 CTLCardinality.xml
-rw-r--r-- 1 mcc users 6.4K Apr 11 17:56 CTLFireability.txt
-rw-r--r-- 1 mcc users 57K Apr 11 17:56 CTLFireability.xml
-rw-r--r-- 1 mcc users 4.2K May 18 16:42 GenericPropertiesDefinition.xml
-rw-r--r-- 1 mcc users 6.7K May 18 16:42 GenericPropertiesVerdict.xml
-rw-r--r-- 1 mcc users 3.7K Apr 22 14:39 LTLCardinality.txt
-rw-r--r-- 1 mcc users 24K Apr 22 14:39 LTLCardinality.xml
-rw-r--r-- 1 mcc users 2.4K Apr 22 14:39 LTLFireability.txt
-rw-r--r-- 1 mcc users 16K Apr 22 14:39 LTLFireability.xml
-rw-r--r-- 1 mcc users 8.2K Apr 11 17:57 ReachabilityCardinality.txt
-rw-r--r-- 1 mcc users 70K Apr 11 17:57 ReachabilityCardinality.xml
-rw-r--r-- 1 mcc users 7.9K Apr 11 17:56 ReachabilityFireability.txt
-rw-r--r-- 1 mcc users 60K Apr 11 17:56 ReachabilityFireability.xml
-rw-r--r-- 1 mcc users 1.8K Apr 22 14:39 UpperBounds.txt
-rw-r--r-- 1 mcc users 3.8K Apr 22 14:39 UpperBounds.xml
-rw-r--r-- 1 mcc users 5 May 18 16:42 equiv_pt
-rw-r--r-- 1 mcc users 3 May 18 16:42 instance
-rw-r--r-- 1 mcc users 5 May 18 16:42 iscolored
-rw-r--r-- 1 mcc users 19K May 18 16:42 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 DatabaseWithMutex-COL-02-LTLCardinality-00
FORMULA_NAME DatabaseWithMutex-COL-02-LTLCardinality-01
FORMULA_NAME DatabaseWithMutex-COL-02-LTLCardinality-02
FORMULA_NAME DatabaseWithMutex-COL-02-LTLCardinality-03
FORMULA_NAME DatabaseWithMutex-COL-02-LTLCardinality-04
FORMULA_NAME DatabaseWithMutex-COL-02-LTLCardinality-05
FORMULA_NAME DatabaseWithMutex-COL-02-LTLCardinality-06
FORMULA_NAME DatabaseWithMutex-COL-02-LTLCardinality-07
FORMULA_NAME DatabaseWithMutex-COL-02-LTLCardinality-08
FORMULA_NAME DatabaseWithMutex-COL-02-LTLCardinality-09
FORMULA_NAME DatabaseWithMutex-COL-02-LTLCardinality-10
FORMULA_NAME DatabaseWithMutex-COL-02-LTLCardinality-11
FORMULA_NAME DatabaseWithMutex-COL-02-LTLCardinality-12
FORMULA_NAME DatabaseWithMutex-COL-02-LTLCardinality-13
FORMULA_NAME DatabaseWithMutex-COL-02-LTLCardinality-14
FORMULA_NAME DatabaseWithMutex-COL-02-LTLCardinality-15

=== Now, execution of the tool begins

BK_START 1716320793295

Invoking MCC driver with
BK_TOOL=greatspnxred
BK_EXAMINATION=LTLCardinality
BK_BIN_PATH=/home/mcc/BenchKit/bin/
BK_TIME_CONFINEMENT=3600
BK_INPUT=DatabaseWithMutex-COL-02
BK_MEMORY_CONFINEMENT=16384
Applying reductions before tool greatspn
Invoking reducer
Running Version 202405141337
[2024-05-21 19:46:34] [INFO ] Running its-tools with arguments : [-pnfolder, /home/mcc/execution, -examination, LTLCardinality, -timeout, 360, -rebuildPNML]
[2024-05-21 19:46:34] [INFO ] Parsing pnml file : /home/mcc/execution/model.pnml
[2024-05-21 19:46:34] [INFO ] Detected file is not PT type :http://www.pnml.org/version-2009/grammar/symmetricnet
log4j:WARN No appenders could be found for logger (org.apache.axiom.locator.DefaultOMMetaFactoryLocator).
log4j:WARN Please initialize the log4j system properly.
log4j:WARN See http://logging.apache.org/log4j/1.2/faq.html#noconfig for more info.
[2024-05-21 19:46:34] [WARNING] Using fallBack plugin, rng conformance not checked
[2024-05-21 19:46:35] [INFO ] Load time of PNML (colored model parsed with PNMLFW) : 555 ms
[2024-05-21 19:46:35] [INFO ] Imported 11 HL places and 8 HL transitions for a total of 38 PT places and 32.0 transition bindings in 14 ms.
Parsed 16 properties from file /home/mcc/execution/LTLCardinality.xml in 15 ms.
Working with output stream class java.io.PrintStream
[2024-05-21 19:46:35] [INFO ] Built PT skeleton of HLPN with 11 places and 8 transitions 22 arcs in 5 ms.
[2024-05-21 19:46:35] [INFO ] Skeletonized 16 HLPN properties in 2 ms.
Initial state reduction rules removed 2 formulas.
FORMULA DatabaseWithMutex-COL-02-LTLCardinality-02 FALSE TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA DatabaseWithMutex-COL-02-LTLCardinality-13 TRUE TECHNIQUES TOPOLOGICAL INITIAL_STATE
Computed a total of 0 stabilizing places and 0 stable transitions
Remains 14 properties that can be checked using skeleton over-approximation.
Computed a total of 0 stabilizing places and 0 stable transitions
RANDOM walk for 40000 steps (8 resets) in 1560 ms. (25 steps per ms) remains 8/29 properties
BEST_FIRST walk for 40002 steps (8 resets) in 352 ms. (113 steps per ms) remains 8/8 properties
BEST_FIRST walk for 40004 steps (8 resets) in 91 ms. (434 steps per ms) remains 8/8 properties
BEST_FIRST walk for 40000 steps (8 resets) in 113 ms. (350 steps per ms) remains 8/8 properties
BEST_FIRST walk for 40001 steps (8 resets) in 91 ms. (434 steps per ms) remains 8/8 properties
BEST_FIRST walk for 40001 steps (8 resets) in 102 ms. (388 steps per ms) remains 8/8 properties
BEST_FIRST walk for 40001 steps (8 resets) in 95 ms. (416 steps per ms) remains 8/8 properties
BEST_FIRST walk for 40000 steps (8 resets) in 98 ms. (404 steps per ms) remains 8/8 properties
BEST_FIRST walk for 40000 steps (8 resets) in 89 ms. (444 steps per ms) remains 8/8 properties
// Phase 1: matrix 8 rows 11 cols
[2024-05-21 19:46:36] [INFO ] Computed 4 invariants in 7 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/7 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 8 unsolved
Problem AtomicPropp1 is UNSAT
Problem AtomicPropp2 is UNSAT
Problem AtomicPropp4 is UNSAT
Problem AtomicPropp8 is UNSAT
Problem AtomicPropp13 is UNSAT
Problem AtomicPropp18 is UNSAT
Problem AtomicPropp22 is UNSAT
Problem AtomicPropp28 is UNSAT
After SMT solving in domain Real declared 11/19 variables, and 3 constraints, problems are : Problem set: 8 solved, 0 unsolved in 151 ms.
Refiners :[Positive P Invariants (semi-flows): 3/3 constraints, Generalized P Invariants (flows): 0/1 constraints, State Equation: 0/11 constraints, PredecessorRefiner: 8/8 constraints, Known Traps: 0/0 constraints]
After SMT, in 215ms problems are : Problem set: 8 solved, 0 unsolved
Skipping Parikh replay, no witness traces provided.
Successfully simplified 8 atomic propositions for a total of 14 simplifications.
FORMULA DatabaseWithMutex-COL-02-LTLCardinality-07 FALSE TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA DatabaseWithMutex-COL-02-LTLCardinality-15 TRUE TECHNIQUES TOPOLOGICAL INITIAL_STATE
[2024-05-21 19:46:36] [INFO ] Initial state reduction rules for LTL removed 1 formulas.
[2024-05-21 19:46:36] [INFO ] Flatten gal took : 14 ms
[2024-05-21 19:46:36] [INFO ] Initial state reduction rules for LTL removed 1 formulas.
FORMULA DatabaseWithMutex-COL-02-LTLCardinality-08 FALSE TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA DatabaseWithMutex-COL-02-LTLCardinality-01 FALSE TECHNIQUES TOPOLOGICAL INITIAL_STATE
[2024-05-21 19:46:36] [INFO ] Flatten gal took : 2 ms
Transition Release forces synchronizations/join behavior on parameter s of sort site
Transition Acquire forces synchronizations/join behavior on parameter f of sort file
[2024-05-21 19:46:36] [INFO ] Unfolded HLPN to a Petri net with 38 places and 32 transitions 88 arcs in 9 ms.
[2024-05-21 19:46:36] [INFO ] Unfolded 10 HLPN properties in 0 ms.
Support contains 34 out of 38 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 38/38 places, 32/32 transitions.
Applied a total of 0 rules in 5 ms. Remains 38 /38 variables (removed 0) and now considering 32/32 (removed 0) transitions.
// Phase 1: matrix 32 rows 38 cols
[2024-05-21 19:46:36] [INFO ] Computed 10 invariants in 5 ms
[2024-05-21 19:46:36] [INFO ] Implicit Places using invariants in 46 ms returned []
[2024-05-21 19:46:36] [INFO ] Invariant cache hit.
[2024-05-21 19:46:36] [INFO ] Implicit Places using invariants and state equation in 44 ms returned []
Implicit Place search using SMT with State Equation took 99 ms to find 0 implicit places.
Running 28 sub problems to find dead transitions.
[2024-05-21 19:46:36] [INFO ] Invariant cache hit.
At refinement iteration 0 (INCLUDED_ONLY) 0/36 variables, 3/3 constraints. Problems are: Problem set: 0 solved, 28 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/36 variables, 2/5 constraints. Problems are: Problem set: 0 solved, 28 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/36 variables, 0/5 constraints. Problems are: Problem set: 0 solved, 28 unsolved
At refinement iteration 3 (OVERLAPS) 2/38 variables, 4/9 constraints. Problems are: Problem set: 0 solved, 28 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/38 variables, 1/10 constraints. Problems are: Problem set: 0 solved, 28 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/38 variables, 0/10 constraints. Problems are: Problem set: 0 solved, 28 unsolved
At refinement iteration 6 (OVERLAPS) 32/70 variables, 38/48 constraints. Problems are: Problem set: 0 solved, 28 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/70 variables, 0/48 constraints. Problems are: Problem set: 0 solved, 28 unsolved
At refinement iteration 8 (OVERLAPS) 0/70 variables, 0/48 constraints. Problems are: Problem set: 0 solved, 28 unsolved
No progress, stopping.
After SMT solving in domain Real declared 70/70 variables, and 48 constraints, problems are : Problem set: 0 solved, 28 unsolved in 402 ms.
Refiners :[Positive P Invariants (semi-flows): 7/7 constraints, Generalized P Invariants (flows): 3/3 constraints, State Equation: 38/38 constraints, PredecessorRefiner: 28/28 constraints, Known Traps: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 28 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/36 variables, 3/3 constraints. Problems are: Problem set: 0 solved, 28 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/36 variables, 2/5 constraints. Problems are: Problem set: 0 solved, 28 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/36 variables, 0/5 constraints. Problems are: Problem set: 0 solved, 28 unsolved
At refinement iteration 3 (OVERLAPS) 2/38 variables, 4/9 constraints. Problems are: Problem set: 0 solved, 28 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/38 variables, 1/10 constraints. Problems are: Problem set: 0 solved, 28 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/38 variables, 0/10 constraints. Problems are: Problem set: 0 solved, 28 unsolved
At refinement iteration 6 (OVERLAPS) 32/70 variables, 38/48 constraints. Problems are: Problem set: 0 solved, 28 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/70 variables, 28/76 constraints. Problems are: Problem set: 0 solved, 28 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/70 variables, 0/76 constraints. Problems are: Problem set: 0 solved, 28 unsolved
At refinement iteration 9 (OVERLAPS) 0/70 variables, 0/76 constraints. Problems are: Problem set: 0 solved, 28 unsolved
No progress, stopping.
After SMT solving in domain Int declared 70/70 variables, and 76 constraints, problems are : Problem set: 0 solved, 28 unsolved in 321 ms.
Refiners :[Positive P Invariants (semi-flows): 7/7 constraints, Generalized P Invariants (flows): 3/3 constraints, State Equation: 38/38 constraints, PredecessorRefiner: 28/28 constraints, Known Traps: 0/0 constraints]
After SMT, in 735ms problems are : Problem set: 0 solved, 28 unsolved
Search for dead transitions found 0 dead transitions in 736ms
Finished structural reductions in LTL mode , in 1 iterations and 851 ms. Remains : 38/38 places, 32/32 transitions.
Support contains 34 out of 38 places after structural reductions.
[2024-05-21 19:46:37] [INFO ] Flatten gal took : 7 ms
[2024-05-21 19:46:37] [INFO ] Flatten gal took : 5 ms
[2024-05-21 19:46:37] [INFO ] Input system was already deterministic with 32 transitions.
RANDOM walk for 40000 steps (8 resets) in 240 ms. (165 steps per ms) remains 2/19 properties
BEST_FIRST walk for 40002 steps (8 resets) in 109 ms. (363 steps per ms) remains 2/2 properties
BEST_FIRST walk for 40003 steps (8 resets) in 97 ms. (408 steps per ms) remains 2/2 properties
[2024-05-21 19:46:37] [INFO ] Invariant cache hit.
All remaining problems are real, not stopping.
At refinement iteration 0 (INCLUDED_ONLY) 0/10 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 2 unsolved
Problem AtomicPropp4 is UNSAT
Problem AtomicPropp10 is UNSAT
After SMT solving in domain Real declared 35/70 variables, and 7 constraints, problems are : Problem set: 2 solved, 0 unsolved in 32 ms.
Refiners :[Positive P Invariants (semi-flows): 7/7 constraints, Generalized P Invariants (flows): 0/3 constraints, State Equation: 0/38 constraints, PredecessorRefiner: 2/2 constraints, Known Traps: 0/0 constraints]
After SMT, in 38ms problems are : Problem set: 2 solved, 0 unsolved
Skipping Parikh replay, no witness traces provided.
FORMULA DatabaseWithMutex-COL-02-LTLCardinality-06 FALSE TECHNIQUES REACHABILITY_KNOWLEDGE
FORMULA DatabaseWithMutex-COL-02-LTLCardinality-00 FALSE TECHNIQUES REACHABILITY_KNOWLEDGE
Successfully simplified 2 atomic propositions for a total of 8 simplifications.
Computed a total of 0 stabilizing places and 0 stable transitions
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(X(F(p0)))&&F(p1)))'
Support contains 6 out of 38 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 38/38 places, 32/32 transitions.
Discarding 4 places :
Implicit places reduction removed 4 places
Iterating post reduction 0 with 4 rules applied. Total rules applied 4 place count 34 transition count 32
Applied a total of 4 rules in 10 ms. Remains 34 /38 variables (removed 4) and now considering 32/32 (removed 0) transitions.
// Phase 1: matrix 32 rows 34 cols
[2024-05-21 19:46:38] [INFO ] Computed 6 invariants in 2 ms
[2024-05-21 19:46:38] [INFO ] Implicit Places using invariants in 38 ms returned [24, 25]
Discarding 2 places :
Implicit Place search using SMT only with invariants took 39 ms to find 2 implicit places.
Starting structural reductions in LTL mode, iteration 1 : 32/38 places, 32/32 transitions.
Applied a total of 0 rules in 1 ms. Remains 32 /32 variables (removed 0) and now considering 32/32 (removed 0) transitions.
Finished structural reductions in LTL mode , in 2 iterations and 50 ms. Remains : 32/38 places, 32/32 transitions.
Stuttering acceptance computed with spot in 289 ms :[(OR (NOT p0) (NOT p1)), (NOT p0), (NOT p1), (NOT p0)]
Running random walk in product with property : DatabaseWithMutex-COL-02-LTLCardinality-03
Product exploration explored 100000 steps with 37527 reset in 179 ms.
Product exploration explored 100000 steps with 37526 reset in 114 ms.
Computed a total of 0 stabilizing places and 0 stable transitions
Computed a total of 0 stabilizing places and 0 stable transitions
Knowledge obtained : [(AND (NOT p1) (NOT p0)), (X p1), (X (X p1))]
False Knowledge obtained : [(X (X (NOT p0))), (X (X p0))]
Knowledge based reduction with 3 factoid took 119 ms. Reduced automaton from 4 states, 5 edges and 2 AP (stutter sensitive) to 3 states, 3 edges and 1 AP (stutter sensitive).
Stuttering acceptance computed with spot in 111 ms :[(NOT p0), (NOT p0), (NOT p0)]
RANDOM walk for 8 steps (0 resets) in 4 ms. (1 steps per ms) remains 0/1 properties
Knowledge obtained : [(AND (NOT p1) (NOT p0)), (X p1), (X (X p1))]
False Knowledge obtained : [(X (X (NOT p0))), (X (X p0)), (F p0)]
Knowledge based reduction with 3 factoid took 115 ms. Reduced automaton from 3 states, 3 edges and 1 AP (stutter sensitive) to 3 states, 3 edges and 1 AP (stutter sensitive).
Stuttering acceptance computed with spot in 101 ms :[(NOT p0), (NOT p0), (NOT p0)]
Stuttering acceptance computed with spot in 123 ms :[(NOT p0), (NOT p0), (NOT p0)]
// Phase 1: matrix 32 rows 32 cols
[2024-05-21 19:46:39] [INFO ] Computed 4 invariants in 1 ms
[2024-05-21 19:46:39] [INFO ] [Real]Absence check using 4 positive place invariants in 1 ms returned sat
[2024-05-21 19:46:39] [INFO ] [Real]Absence check using state equation in 9 ms returned sat
[2024-05-21 19:46:39] [INFO ] Solution in real domain found non-integer solution.
[2024-05-21 19:46:39] [INFO ] [Nat]Absence check using 4 positive place invariants in 1 ms returned sat
[2024-05-21 19:46:39] [INFO ] [Nat]Absence check using state equation in 11 ms returned sat
[2024-05-21 19:46:39] [INFO ] Computed and/alt/rep : 28/28/28 causal constraints (skipped 0 transitions) in 5 ms.
[2024-05-21 19:46:39] [INFO ] Added : 1 causal constraints over 1 iterations in 13 ms. Result :sat
Could not prove EG (NOT p0)
Support contains 6 out of 32 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 32/32 places, 32/32 transitions.
Applied a total of 0 rules in 0 ms. Remains 32 /32 variables (removed 0) and now considering 32/32 (removed 0) transitions.
[2024-05-21 19:46:39] [INFO ] Invariant cache hit.
[2024-05-21 19:46:39] [INFO ] Implicit Places using invariants in 23 ms returned []
[2024-05-21 19:46:39] [INFO ] Invariant cache hit.
[2024-05-21 19:46:39] [INFO ] Implicit Places using invariants and state equation in 35 ms returned []
Implicit Place search using SMT with State Equation took 59 ms to find 0 implicit places.
Running 28 sub problems to find dead transitions.
[2024-05-21 19:46:39] [INFO ] Invariant cache hit.
At refinement iteration 0 (INCLUDED_ONLY) 0/30 variables, 2/2 constraints. Problems are: Problem set: 0 solved, 28 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/30 variables, 0/2 constraints. Problems are: Problem set: 0 solved, 28 unsolved
At refinement iteration 2 (OVERLAPS) 2/32 variables, 2/4 constraints. Problems are: Problem set: 0 solved, 28 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/32 variables, 0/4 constraints. Problems are: Problem set: 0 solved, 28 unsolved
At refinement iteration 4 (OVERLAPS) 32/64 variables, 32/36 constraints. Problems are: Problem set: 0 solved, 28 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/64 variables, 0/36 constraints. Problems are: Problem set: 0 solved, 28 unsolved
At refinement iteration 6 (OVERLAPS) 0/64 variables, 0/36 constraints. Problems are: Problem set: 0 solved, 28 unsolved
No progress, stopping.
After SMT solving in domain Real declared 64/64 variables, and 36 constraints, problems are : Problem set: 0 solved, 28 unsolved in 277 ms.
Refiners :[Positive P Invariants (semi-flows): 4/4 constraints, State Equation: 32/32 constraints, PredecessorRefiner: 28/28 constraints, Known Traps: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 28 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/30 variables, 2/2 constraints. Problems are: Problem set: 0 solved, 28 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/30 variables, 0/2 constraints. Problems are: Problem set: 0 solved, 28 unsolved
At refinement iteration 2 (OVERLAPS) 2/32 variables, 2/4 constraints. Problems are: Problem set: 0 solved, 28 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/32 variables, 0/4 constraints. Problems are: Problem set: 0 solved, 28 unsolved
At refinement iteration 4 (OVERLAPS) 32/64 variables, 32/36 constraints. Problems are: Problem set: 0 solved, 28 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/64 variables, 28/64 constraints. Problems are: Problem set: 0 solved, 28 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/64 variables, 0/64 constraints. Problems are: Problem set: 0 solved, 28 unsolved
At refinement iteration 7 (OVERLAPS) 0/64 variables, 0/64 constraints. Problems are: Problem set: 0 solved, 28 unsolved
No progress, stopping.
After SMT solving in domain Int declared 64/64 variables, and 64 constraints, problems are : Problem set: 0 solved, 28 unsolved in 239 ms.
Refiners :[Positive P Invariants (semi-flows): 4/4 constraints, State Equation: 32/32 constraints, PredecessorRefiner: 28/28 constraints, Known Traps: 0/0 constraints]
After SMT, in 522ms problems are : Problem set: 0 solved, 28 unsolved
Search for dead transitions found 0 dead transitions in 522ms
Finished structural reductions in LTL mode , in 1 iterations and 582 ms. Remains : 32/32 places, 32/32 transitions.
Computed a total of 0 stabilizing places and 0 stable transitions
Computed a total of 0 stabilizing places and 0 stable transitions
Knowledge obtained : [(NOT p0)]
False Knowledge obtained : [(X (X (NOT p0))), (X (X p0))]
Knowledge based reduction with 1 factoid took 126 ms. Reduced automaton from 3 states, 3 edges and 1 AP (stutter sensitive) to 3 states, 3 edges and 1 AP (stutter sensitive).
Stuttering acceptance computed with spot in 172 ms :[(NOT p0), (NOT p0), (NOT p0)]
RANDOM walk for 11 steps (0 resets) in 4 ms. (2 steps per ms) remains 0/1 properties
Knowledge obtained : [(NOT p0)]
False Knowledge obtained : [(X (X (NOT p0))), (X (X p0)), (F p0)]
Knowledge based reduction with 1 factoid took 160 ms. Reduced automaton from 3 states, 3 edges and 1 AP (stutter sensitive) to 3 states, 3 edges and 1 AP (stutter sensitive).
Stuttering acceptance computed with spot in 141 ms :[(NOT p0), (NOT p0), (NOT p0)]
Stuttering acceptance computed with spot in 134 ms :[(NOT p0), (NOT p0), (NOT p0)]
[2024-05-21 19:46:40] [INFO ] Invariant cache hit.
[2024-05-21 19:46:41] [INFO ] [Real]Absence check using 4 positive place invariants in 34 ms returned sat
[2024-05-21 19:46:42] [INFO ] [Real]Absence check using state equation in 360 ms returned sat
[2024-05-21 19:46:42] [INFO ] Solution in real domain found non-integer solution.
[2024-05-21 19:46:42] [INFO ] [Nat]Absence check using 4 positive place invariants in 1 ms returned sat
[2024-05-21 19:46:42] [INFO ] [Nat]Absence check using state equation in 10 ms returned sat
[2024-05-21 19:46:42] [INFO ] Computed and/alt/rep : 28/28/28 causal constraints (skipped 0 transitions) in 4 ms.
[2024-05-21 19:46:42] [INFO ] Added : 1 causal constraints over 1 iterations in 12 ms. Result :sat
Could not prove EG (NOT p0)
Stuttering acceptance computed with spot in 124 ms :[(NOT p0), (NOT p0), (NOT p0)]
Product exploration explored 100000 steps with 29950 reset in 110 ms.
Product exploration explored 100000 steps with 29977 reset in 90 ms.
Applying partial POR strategy [true, false, false]
Stuttering acceptance computed with spot in 161 ms :[(NOT p0), (NOT p0), (NOT p0)]
Support contains 6 out of 32 places. Attempting structural reductions.
Starting structural reductions in SI_LTL mode, iteration 0 : 32/32 places, 32/32 transitions.
Performed 8 Post agglomeration using F-continuation condition.Transition count delta: 0
Iterating post reduction 0 with 8 rules applied. Total rules applied 8 place count 32 transition count 32
Performed 4 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 1 with 4 Pre rules applied. Total rules applied 8 place count 32 transition count 32
Deduced a syphon composed of 12 places in 0 ms
Iterating global reduction 1 with 4 rules applied. Total rules applied 12 place count 32 transition count 32
Discarding 4 places :
Symmetric choice reduction at 1 with 4 rule applications. Total rules 16 place count 28 transition count 28
Deduced a syphon composed of 8 places in 0 ms
Iterating global reduction 1 with 4 rules applied. Total rules applied 20 place count 28 transition count 28
Deduced a syphon composed of 8 places in 0 ms
Applied a total of 20 rules in 13 ms. Remains 28 /32 variables (removed 4) and now considering 28/32 (removed 4) transitions.
[2024-05-21 19:46:42] [INFO ] Redundant transitions in 1 ms returned []
Running 24 sub problems to find dead transitions.
// Phase 1: matrix 28 rows 28 cols
[2024-05-21 19:46:43] [INFO ] Computed 4 invariants in 1 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/26 variables, 2/2 constraints. Problems are: Problem set: 0 solved, 24 unsolved
[2024-05-21 19:46:43] [INFO ] Deduced a trap composed of 7 places in 363 ms of which 30 ms to minimize.
Problem TDEAD8 is UNSAT
Problem TDEAD10 is UNSAT
[2024-05-21 19:46:43] [INFO ] Deduced a trap composed of 7 places in 27 ms of which 1 ms to minimize.
Problem TDEAD11 is UNSAT
Problem TDEAD20 is UNSAT
Problem TDEAD22 is UNSAT
Problem TDEAD24 is UNSAT
Problem TDEAD26 is UNSAT
Problem TDEAD9 is UNSAT
At refinement iteration 1 (INCLUDED_ONLY) 0/26 variables, 2/4 constraints. Problems are: Problem set: 8 solved, 16 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/26 variables, 0/4 constraints. Problems are: Problem set: 8 solved, 16 unsolved
At refinement iteration 3 (OVERLAPS) 2/28 variables, 2/6 constraints. Problems are: Problem set: 8 solved, 16 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/28 variables, 0/6 constraints. Problems are: Problem set: 8 solved, 16 unsolved
At refinement iteration 5 (OVERLAPS) 28/56 variables, 28/34 constraints. Problems are: Problem set: 8 solved, 16 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/56 variables, 0/34 constraints. Problems are: Problem set: 8 solved, 16 unsolved
At refinement iteration 7 (OVERLAPS) 0/56 variables, 0/34 constraints. Problems are: Problem set: 8 solved, 16 unsolved
No progress, stopping.
After SMT solving in domain Real declared 56/56 variables, and 34 constraints, problems are : Problem set: 8 solved, 16 unsolved in 634 ms.
Refiners :[Positive P Invariants (semi-flows): 4/4 constraints, State Equation: 28/28 constraints, PredecessorRefiner: 24/24 constraints, Known Traps: 2/2 constraints]
Escalating to Integer solving :Problem set: 8 solved, 16 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/18 variables, 2/2 constraints. Problems are: Problem set: 8 solved, 16 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/18 variables, 0/2 constraints. Problems are: Problem set: 8 solved, 16 unsolved
At refinement iteration 2 (OVERLAPS) 10/28 variables, 4/6 constraints. Problems are: Problem set: 8 solved, 16 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/28 variables, 0/6 constraints. Problems are: Problem set: 8 solved, 16 unsolved
At refinement iteration 4 (OVERLAPS) 28/56 variables, 28/34 constraints. Problems are: Problem set: 8 solved, 16 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/56 variables, 16/50 constraints. Problems are: Problem set: 8 solved, 16 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/56 variables, 0/50 constraints. Problems are: Problem set: 8 solved, 16 unsolved
At refinement iteration 7 (OVERLAPS) 0/56 variables, 0/50 constraints. Problems are: Problem set: 8 solved, 16 unsolved
No progress, stopping.
After SMT solving in domain Int declared 56/56 variables, and 50 constraints, problems are : Problem set: 8 solved, 16 unsolved in 227 ms.
Refiners :[Positive P Invariants (semi-flows): 4/4 constraints, State Equation: 28/28 constraints, PredecessorRefiner: 16/24 constraints, Known Traps: 2/2 constraints]
After SMT, in 871ms problems are : Problem set: 8 solved, 16 unsolved
Search for dead transitions found 8 dead transitions in 872ms
Found 8 dead transitions using SMT.
Drop transitions (Dead Transitions using SMT only with invariants) removed 8 transitions
Dead transitions reduction (with SMT) removed 8 transitions
Starting structural reductions in SI_LTL mode, iteration 1 : 28/32 places, 20/32 transitions.
Graph (complete) has 28 edges and 28 vertex of which 20 are kept as prefixes of interest. Removing 8 places using SCC suffix rule.1 ms
Discarding 8 places :
Also discarding 0 output transitions
Applied a total of 1 rules in 3 ms. Remains 20 /28 variables (removed 8) and now considering 20/20 (removed 0) transitions.
Starting structural reductions in SI_LTL mode, iteration 2 : 20/32 places, 20/32 transitions.
Finished structural reductions in SI_LTL mode , in 2 iterations and 907 ms. Remains : 20/32 places, 20/32 transitions.
Support contains 6 out of 32 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 32/32 places, 32/32 transitions.
Applied a total of 0 rules in 1 ms. Remains 32 /32 variables (removed 0) and now considering 32/32 (removed 0) transitions.
// Phase 1: matrix 32 rows 32 cols
[2024-05-21 19:46:43] [INFO ] Computed 4 invariants in 1 ms
[2024-05-21 19:46:43] [INFO ] Implicit Places using invariants in 23 ms returned []
[2024-05-21 19:46:43] [INFO ] Invariant cache hit.
[2024-05-21 19:46:43] [INFO ] Implicit Places using invariants and state equation in 47 ms returned []
Implicit Place search using SMT with State Equation took 84 ms to find 0 implicit places.
Running 28 sub problems to find dead transitions.
[2024-05-21 19:46:43] [INFO ] Invariant cache hit.
At refinement iteration 0 (INCLUDED_ONLY) 0/30 variables, 2/2 constraints. Problems are: Problem set: 0 solved, 28 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/30 variables, 0/2 constraints. Problems are: Problem set: 0 solved, 28 unsolved
At refinement iteration 2 (OVERLAPS) 2/32 variables, 2/4 constraints. Problems are: Problem set: 0 solved, 28 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/32 variables, 0/4 constraints. Problems are: Problem set: 0 solved, 28 unsolved
At refinement iteration 4 (OVERLAPS) 32/64 variables, 32/36 constraints. Problems are: Problem set: 0 solved, 28 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/64 variables, 0/36 constraints. Problems are: Problem set: 0 solved, 28 unsolved
At refinement iteration 6 (OVERLAPS) 0/64 variables, 0/36 constraints. Problems are: Problem set: 0 solved, 28 unsolved
No progress, stopping.
After SMT solving in domain Real declared 64/64 variables, and 36 constraints, problems are : Problem set: 0 solved, 28 unsolved in 3494 ms.
Refiners :[Positive P Invariants (semi-flows): 4/4 constraints, State Equation: 32/32 constraints, PredecessorRefiner: 28/28 constraints, Known Traps: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 28 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/30 variables, 2/2 constraints. Problems are: Problem set: 0 solved, 28 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/30 variables, 0/2 constraints. Problems are: Problem set: 0 solved, 28 unsolved
At refinement iteration 2 (OVERLAPS) 2/32 variables, 2/4 constraints. Problems are: Problem set: 0 solved, 28 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/32 variables, 0/4 constraints. Problems are: Problem set: 0 solved, 28 unsolved
At refinement iteration 4 (OVERLAPS) 32/64 variables, 32/36 constraints. Problems are: Problem set: 0 solved, 28 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/64 variables, 28/64 constraints. Problems are: Problem set: 0 solved, 28 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/64 variables, 0/64 constraints. Problems are: Problem set: 0 solved, 28 unsolved
At refinement iteration 7 (OVERLAPS) 0/64 variables, 0/64 constraints. Problems are: Problem set: 0 solved, 28 unsolved
No progress, stopping.
After SMT solving in domain Int declared 64/64 variables, and 64 constraints, problems are : Problem set: 0 solved, 28 unsolved in 255 ms.
Refiners :[Positive P Invariants (semi-flows): 4/4 constraints, State Equation: 32/32 constraints, PredecessorRefiner: 28/28 constraints, Known Traps: 0/0 constraints]
After SMT, in 3762ms problems are : Problem set: 0 solved, 28 unsolved
Search for dead transitions found 0 dead transitions in 3764ms
Finished structural reductions in LTL mode , in 1 iterations and 3849 ms. Remains : 32/32 places, 32/32 transitions.
Treatment of property DatabaseWithMutex-COL-02-LTLCardinality-03 finished in 9767 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(X(F(p0))))'
Support contains 4 out of 38 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 38/38 places, 32/32 transitions.
Applied a total of 0 rules in 0 ms. Remains 38 /38 variables (removed 0) and now considering 32/32 (removed 0) transitions.
// Phase 1: matrix 32 rows 38 cols
[2024-05-21 19:46:47] [INFO ] Computed 10 invariants in 1 ms
[2024-05-21 19:46:47] [INFO ] Implicit Places using invariants in 37 ms returned [28, 29]
Discarding 2 places :
Implicit Place search using SMT only with invariants took 38 ms to find 2 implicit places.
Starting structural reductions in LTL mode, iteration 1 : 36/38 places, 32/32 transitions.
Applied a total of 0 rules in 0 ms. Remains 36 /36 variables (removed 0) and now considering 32/32 (removed 0) transitions.
Finished structural reductions in LTL mode , in 2 iterations and 38 ms. Remains : 36/38 places, 32/32 transitions.
Stuttering acceptance computed with spot in 125 ms :[(NOT p0), (NOT p0), (NOT p0)]
Running random walk in product with property : DatabaseWithMutex-COL-02-LTLCardinality-04
Product exploration explored 100000 steps with 19546 reset in 155 ms.
Product exploration explored 100000 steps with 19559 reset in 175 ms.
Computed a total of 0 stabilizing places and 0 stable transitions
Computed a total of 0 stabilizing places and 0 stable transitions
Knowledge obtained : [(NOT p0), (X (X (NOT p0)))]
False Knowledge obtained : []
Knowledge based reduction with 2 factoid took 86 ms. Reduced automaton from 3 states, 3 edges and 1 AP (stutter sensitive) to 3 states, 3 edges and 1 AP (stutter sensitive).
Stuttering acceptance computed with spot in 98 ms :[(NOT p0), (NOT p0), (NOT p0)]
RANDOM walk for 15 steps (0 resets) in 4 ms. (3 steps per ms) remains 0/1 properties
Knowledge obtained : [(NOT p0), (X (X (NOT p0)))]
False Knowledge obtained : [(F p0)]
Knowledge based reduction with 2 factoid took 102 ms. Reduced automaton from 3 states, 3 edges and 1 AP (stutter sensitive) to 3 states, 3 edges and 1 AP (stutter sensitive).
Stuttering acceptance computed with spot in 99 ms :[(NOT p0), (NOT p0), (NOT p0)]
Stuttering acceptance computed with spot in 103 ms :[(NOT p0), (NOT p0), (NOT p0)]
// Phase 1: matrix 32 rows 36 cols
[2024-05-21 19:46:48] [INFO ] Computed 8 invariants in 2 ms
[2024-05-21 19:46:48] [INFO ] [Real]Absence check using 5 positive place invariants in 2 ms returned sat
[2024-05-21 19:46:48] [INFO ] [Real]Absence check using 5 positive and 3 generalized place invariants in 1 ms returned sat
[2024-05-21 19:46:48] [INFO ] [Real]Absence check using state equation in 14 ms returned sat
[2024-05-21 19:46:48] [INFO ] Solution in real domain found non-integer solution.
[2024-05-21 19:46:48] [INFO ] [Nat]Absence check using 5 positive place invariants in 1 ms returned sat
[2024-05-21 19:46:48] [INFO ] [Nat]Absence check using 5 positive and 3 generalized place invariants in 0 ms returned sat
[2024-05-21 19:46:48] [INFO ] [Nat]Absence check using state equation in 19 ms returned sat
[2024-05-21 19:46:48] [INFO ] Computed and/alt/rep : 28/32/28 causal constraints (skipped 0 transitions) in 1 ms.
[2024-05-21 19:46:48] [INFO ] Added : 1 causal constraints over 1 iterations in 7 ms. Result :sat
Could not prove EG (NOT p0)
Support contains 4 out of 36 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 36/36 places, 32/32 transitions.
Applied a total of 0 rules in 1 ms. Remains 36 /36 variables (removed 0) and now considering 32/32 (removed 0) transitions.
[2024-05-21 19:46:48] [INFO ] Invariant cache hit.
[2024-05-21 19:46:48] [INFO ] Implicit Places using invariants in 25 ms returned []
[2024-05-21 19:46:48] [INFO ] Invariant cache hit.
[2024-05-21 19:46:48] [INFO ] Implicit Places using invariants and state equation in 31 ms returned []
Implicit Place search using SMT with State Equation took 58 ms to find 0 implicit places.
Running 28 sub problems to find dead transitions.
[2024-05-21 19:46:48] [INFO ] Invariant cache hit.
At refinement iteration 0 (INCLUDED_ONLY) 0/34 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 28 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/34 variables, 2/3 constraints. Problems are: Problem set: 0 solved, 28 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/34 variables, 0/3 constraints. Problems are: Problem set: 0 solved, 28 unsolved
At refinement iteration 3 (OVERLAPS) 2/36 variables, 4/7 constraints. Problems are: Problem set: 0 solved, 28 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/36 variables, 1/8 constraints. Problems are: Problem set: 0 solved, 28 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/36 variables, 0/8 constraints. Problems are: Problem set: 0 solved, 28 unsolved
At refinement iteration 6 (OVERLAPS) 32/68 variables, 36/44 constraints. Problems are: Problem set: 0 solved, 28 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/68 variables, 0/44 constraints. Problems are: Problem set: 0 solved, 28 unsolved
At refinement iteration 8 (OVERLAPS) 0/68 variables, 0/44 constraints. Problems are: Problem set: 0 solved, 28 unsolved
No progress, stopping.
After SMT solving in domain Real declared 68/68 variables, and 44 constraints, problems are : Problem set: 0 solved, 28 unsolved in 307 ms.
Refiners :[Positive P Invariants (semi-flows): 5/5 constraints, Generalized P Invariants (flows): 3/3 constraints, State Equation: 36/36 constraints, PredecessorRefiner: 28/28 constraints, Known Traps: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 28 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/34 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 28 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/34 variables, 2/3 constraints. Problems are: Problem set: 0 solved, 28 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/34 variables, 0/3 constraints. Problems are: Problem set: 0 solved, 28 unsolved
At refinement iteration 3 (OVERLAPS) 2/36 variables, 4/7 constraints. Problems are: Problem set: 0 solved, 28 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/36 variables, 1/8 constraints. Problems are: Problem set: 0 solved, 28 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/36 variables, 0/8 constraints. Problems are: Problem set: 0 solved, 28 unsolved
At refinement iteration 6 (OVERLAPS) 32/68 variables, 36/44 constraints. Problems are: Problem set: 0 solved, 28 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/68 variables, 28/72 constraints. Problems are: Problem set: 0 solved, 28 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/68 variables, 0/72 constraints. Problems are: Problem set: 0 solved, 28 unsolved
At refinement iteration 9 (OVERLAPS) 0/68 variables, 0/72 constraints. Problems are: Problem set: 0 solved, 28 unsolved
No progress, stopping.
After SMT solving in domain Int declared 68/68 variables, and 72 constraints, problems are : Problem set: 0 solved, 28 unsolved in 292 ms.
Refiners :[Positive P Invariants (semi-flows): 5/5 constraints, Generalized P Invariants (flows): 3/3 constraints, State Equation: 36/36 constraints, PredecessorRefiner: 28/28 constraints, Known Traps: 0/0 constraints]
After SMT, in 610ms problems are : Problem set: 0 solved, 28 unsolved
Search for dead transitions found 0 dead transitions in 611ms
Finished structural reductions in LTL mode , in 1 iterations and 670 ms. Remains : 36/36 places, 32/32 transitions.
Computed a total of 0 stabilizing places and 0 stable transitions
Computed a total of 0 stabilizing places and 0 stable transitions
Knowledge obtained : [(NOT p0), (X (X (NOT p0)))]
False Knowledge obtained : []
Knowledge based reduction with 2 factoid took 84 ms. Reduced automaton from 3 states, 3 edges and 1 AP (stutter sensitive) to 3 states, 3 edges and 1 AP (stutter sensitive).
Stuttering acceptance computed with spot in 104 ms :[(NOT p0), (NOT p0), (NOT p0)]
RANDOM walk for 17 steps (0 resets) in 4 ms. (3 steps per ms) remains 0/1 properties
Knowledge obtained : [(NOT p0), (X (X (NOT p0)))]
False Knowledge obtained : [(F p0)]
Knowledge based reduction with 2 factoid took 102 ms. Reduced automaton from 3 states, 3 edges and 1 AP (stutter sensitive) to 3 states, 3 edges and 1 AP (stutter sensitive).
Stuttering acceptance computed with spot in 90 ms :[(NOT p0), (NOT p0), (NOT p0)]
Stuttering acceptance computed with spot in 98 ms :[(NOT p0), (NOT p0), (NOT p0)]
[2024-05-21 19:46:50] [INFO ] Invariant cache hit.
[2024-05-21 19:46:50] [INFO ] [Real]Absence check using 5 positive place invariants in 1 ms returned sat
[2024-05-21 19:46:50] [INFO ] [Real]Absence check using 5 positive and 3 generalized place invariants in 1 ms returned sat
[2024-05-21 19:46:50] [INFO ] [Real]Absence check using state equation in 8 ms returned sat
[2024-05-21 19:46:50] [INFO ] Solution in real domain found non-integer solution.
[2024-05-21 19:46:50] [INFO ] [Nat]Absence check using 5 positive place invariants in 3 ms returned sat
[2024-05-21 19:46:50] [INFO ] [Nat]Absence check using 5 positive and 3 generalized place invariants in 1 ms returned sat
[2024-05-21 19:46:50] [INFO ] [Nat]Absence check using state equation in 8 ms returned sat
[2024-05-21 19:46:50] [INFO ] Computed and/alt/rep : 28/32/28 causal constraints (skipped 0 transitions) in 2 ms.
[2024-05-21 19:46:50] [INFO ] Added : 1 causal constraints over 1 iterations in 7 ms. Result :sat
Could not prove EG (NOT p0)
Stuttering acceptance computed with spot in 121 ms :[(NOT p0), (NOT p0), (NOT p0)]
Product exploration explored 100000 steps with 19551 reset in 141 ms.
Product exploration explored 100000 steps with 19580 reset in 64 ms.
Applying partial POR strategy [true, false, false]
Stuttering acceptance computed with spot in 108 ms :[(NOT p0), (NOT p0), (NOT p0)]
Support contains 4 out of 36 places. Attempting structural reductions.
Starting structural reductions in SI_LTL mode, iteration 0 : 36/36 places, 32/32 transitions.
Performed 8 Post agglomeration using F-continuation condition.Transition count delta: 0
Iterating post reduction 0 with 8 rules applied. Total rules applied 8 place count 36 transition count 32
Performed 8 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 1 with 8 Pre rules applied. Total rules applied 8 place count 36 transition count 32
Deduced a syphon composed of 16 places in 0 ms
Iterating global reduction 1 with 8 rules applied. Total rules applied 16 place count 36 transition count 32
Discarding 4 places :
Implicit places reduction removed 4 places
Iterating post reduction 1 with 4 rules applied. Total rules applied 20 place count 32 transition count 32
Discarding 8 places :
Symmetric choice reduction at 2 with 8 rule applications. Total rules 28 place count 24 transition count 24
Deduced a syphon composed of 8 places in 0 ms
Iterating global reduction 2 with 8 rules applied. Total rules applied 36 place count 24 transition count 24
Deduced a syphon composed of 8 places in 0 ms
Applied a total of 36 rules in 3 ms. Remains 24 /36 variables (removed 12) and now considering 24/32 (removed 8) transitions.
[2024-05-21 19:46:50] [INFO ] Redundant transitions in 0 ms returned []
Running 20 sub problems to find dead transitions.
// Phase 1: matrix 24 rows 24 cols
[2024-05-21 19:46:50] [INFO ] Computed 4 invariants in 1 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/22 variables, 2/2 constraints. Problems are: Problem set: 0 solved, 20 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/22 variables, 0/2 constraints. Problems are: Problem set: 0 solved, 20 unsolved
At refinement iteration 2 (OVERLAPS) 2/24 variables, 2/4 constraints. Problems are: Problem set: 0 solved, 20 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/24 variables, 0/4 constraints. Problems are: Problem set: 0 solved, 20 unsolved
Problem TDEAD12 is UNSAT
Problem TDEAD13 is UNSAT
Problem TDEAD14 is UNSAT
Problem TDEAD15 is UNSAT
Problem TDEAD17 is UNSAT
Problem TDEAD19 is UNSAT
Problem TDEAD21 is UNSAT
Problem TDEAD23 is UNSAT
At refinement iteration 4 (OVERLAPS) 24/48 variables, 24/28 constraints. Problems are: Problem set: 8 solved, 12 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/48 variables, 0/28 constraints. Problems are: Problem set: 8 solved, 12 unsolved
At refinement iteration 6 (OVERLAPS) 0/48 variables, 0/28 constraints. Problems are: Problem set: 8 solved, 12 unsolved
No progress, stopping.
After SMT solving in domain Real declared 48/48 variables, and 28 constraints, problems are : Problem set: 8 solved, 12 unsolved in 132 ms.
Refiners :[Positive P Invariants (semi-flows): 4/4 constraints, State Equation: 24/24 constraints, PredecessorRefiner: 20/20 constraints, Known Traps: 0/0 constraints]
Escalating to Integer solving :Problem set: 8 solved, 12 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/14 variables, 2/2 constraints. Problems are: Problem set: 8 solved, 12 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/14 variables, 0/2 constraints. Problems are: Problem set: 8 solved, 12 unsolved
At refinement iteration 2 (OVERLAPS) 2/16 variables, 2/4 constraints. Problems are: Problem set: 8 solved, 12 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/16 variables, 0/4 constraints. Problems are: Problem set: 8 solved, 12 unsolved
At refinement iteration 4 (OVERLAPS) 24/40 variables, 16/20 constraints. Problems are: Problem set: 8 solved, 12 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/40 variables, 12/32 constraints. Problems are: Problem set: 8 solved, 12 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/40 variables, 0/32 constraints. Problems are: Problem set: 8 solved, 12 unsolved
At refinement iteration 7 (OVERLAPS) 8/48 variables, 8/40 constraints. Problems are: Problem set: 8 solved, 12 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/48 variables, 0/40 constraints. Problems are: Problem set: 8 solved, 12 unsolved
At refinement iteration 9 (OVERLAPS) 0/48 variables, 0/40 constraints. Problems are: Problem set: 8 solved, 12 unsolved
No progress, stopping.
After SMT solving in domain Int declared 48/48 variables, and 40 constraints, problems are : Problem set: 8 solved, 12 unsolved in 148 ms.
Refiners :[Positive P Invariants (semi-flows): 4/4 constraints, State Equation: 24/24 constraints, PredecessorRefiner: 12/20 constraints, Known Traps: 0/0 constraints]
After SMT, in 285ms problems are : Problem set: 8 solved, 12 unsolved
Search for dead transitions found 8 dead transitions in 285ms
Found 8 dead transitions using SMT.
Drop transitions (Dead Transitions using SMT only with invariants) removed 8 transitions
Dead transitions reduction (with SMT) removed 8 transitions
Starting structural reductions in SI_LTL mode, iteration 1 : 24/36 places, 16/32 transitions.
Graph (complete) has 24 edges and 24 vertex of which 16 are kept as prefixes of interest. Removing 8 places using SCC suffix rule.0 ms
Discarding 8 places :
Also discarding 0 output transitions
Applied a total of 1 rules in 3 ms. Remains 16 /24 variables (removed 8) and now considering 16/16 (removed 0) transitions.
Starting structural reductions in SI_LTL mode, iteration 2 : 16/36 places, 16/32 transitions.
Finished structural reductions in SI_LTL mode , in 2 iterations and 297 ms. Remains : 16/36 places, 16/32 transitions.
Support contains 4 out of 36 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 36/36 places, 32/32 transitions.
Applied a total of 0 rules in 1 ms. Remains 36 /36 variables (removed 0) and now considering 32/32 (removed 0) transitions.
// Phase 1: matrix 32 rows 36 cols
[2024-05-21 19:46:50] [INFO ] Computed 8 invariants in 3 ms
[2024-05-21 19:46:51] [INFO ] Implicit Places using invariants in 28 ms returned []
[2024-05-21 19:46:51] [INFO ] Invariant cache hit.
[2024-05-21 19:46:51] [INFO ] Implicit Places using invariants and state equation in 29 ms returned []
Implicit Place search using SMT with State Equation took 59 ms to find 0 implicit places.
Running 28 sub problems to find dead transitions.
[2024-05-21 19:46:51] [INFO ] Invariant cache hit.
At refinement iteration 0 (INCLUDED_ONLY) 0/34 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 28 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/34 variables, 2/3 constraints. Problems are: Problem set: 0 solved, 28 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/34 variables, 0/3 constraints. Problems are: Problem set: 0 solved, 28 unsolved
At refinement iteration 3 (OVERLAPS) 2/36 variables, 4/7 constraints. Problems are: Problem set: 0 solved, 28 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/36 variables, 1/8 constraints. Problems are: Problem set: 0 solved, 28 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/36 variables, 0/8 constraints. Problems are: Problem set: 0 solved, 28 unsolved
At refinement iteration 6 (OVERLAPS) 32/68 variables, 36/44 constraints. Problems are: Problem set: 0 solved, 28 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/68 variables, 0/44 constraints. Problems are: Problem set: 0 solved, 28 unsolved
At refinement iteration 8 (OVERLAPS) 0/68 variables, 0/44 constraints. Problems are: Problem set: 0 solved, 28 unsolved
No progress, stopping.
After SMT solving in domain Real declared 68/68 variables, and 44 constraints, problems are : Problem set: 0 solved, 28 unsolved in 248 ms.
Refiners :[Positive P Invariants (semi-flows): 5/5 constraints, Generalized P Invariants (flows): 3/3 constraints, State Equation: 36/36 constraints, PredecessorRefiner: 28/28 constraints, Known Traps: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 28 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/34 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 28 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/34 variables, 2/3 constraints. Problems are: Problem set: 0 solved, 28 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/34 variables, 0/3 constraints. Problems are: Problem set: 0 solved, 28 unsolved
At refinement iteration 3 (OVERLAPS) 2/36 variables, 4/7 constraints. Problems are: Problem set: 0 solved, 28 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/36 variables, 1/8 constraints. Problems are: Problem set: 0 solved, 28 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/36 variables, 0/8 constraints. Problems are: Problem set: 0 solved, 28 unsolved
At refinement iteration 6 (OVERLAPS) 32/68 variables, 36/44 constraints. Problems are: Problem set: 0 solved, 28 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/68 variables, 28/72 constraints. Problems are: Problem set: 0 solved, 28 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/68 variables, 0/72 constraints. Problems are: Problem set: 0 solved, 28 unsolved
At refinement iteration 9 (OVERLAPS) 0/68 variables, 0/72 constraints. Problems are: Problem set: 0 solved, 28 unsolved
No progress, stopping.
After SMT solving in domain Int declared 68/68 variables, and 72 constraints, problems are : Problem set: 0 solved, 28 unsolved in 248 ms.
Refiners :[Positive P Invariants (semi-flows): 5/5 constraints, Generalized P Invariants (flows): 3/3 constraints, State Equation: 36/36 constraints, PredecessorRefiner: 28/28 constraints, Known Traps: 0/0 constraints]
After SMT, in 504ms problems are : Problem set: 0 solved, 28 unsolved
Search for dead transitions found 0 dead transitions in 505ms
Finished structural reductions in LTL mode , in 1 iterations and 565 ms. Remains : 36/36 places, 32/32 transitions.
Treatment of property DatabaseWithMutex-COL-02-LTLCardinality-04 finished in 3798 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 8 out of 38 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 38/38 places, 32/32 transitions.
Discarding 4 places :
Implicit places reduction removed 4 places
Iterating post reduction 0 with 4 rules applied. Total rules applied 4 place count 34 transition count 32
Applied a total of 4 rules in 1 ms. Remains 34 /38 variables (removed 4) and now considering 32/32 (removed 0) transitions.
// Phase 1: matrix 32 rows 34 cols
[2024-05-21 19:46:51] [INFO ] Computed 6 invariants in 4 ms
[2024-05-21 19:46:51] [INFO ] Implicit Places using invariants in 35 ms returned [24, 25]
Discarding 2 places :
Implicit Place search using SMT only with invariants took 36 ms to find 2 implicit places.
Starting structural reductions in LTL mode, iteration 1 : 32/38 places, 32/32 transitions.
Applied a total of 0 rules in 1 ms. Remains 32 /32 variables (removed 0) and now considering 32/32 (removed 0) transitions.
Finished structural reductions in LTL mode , in 2 iterations and 38 ms. Remains : 32/38 places, 32/32 transitions.
Stuttering acceptance computed with spot in 63 ms :[true, (NOT p0), (NOT p0)]
Running random walk in product with property : DatabaseWithMutex-COL-02-LTLCardinality-05
Entered a terminal (fully accepting) state of product in 6 steps with 0 reset in 0 ms.
FORMULA DatabaseWithMutex-COL-02-LTLCardinality-05 FALSE TECHNIQUES STUTTER_TEST
Treatment of property DatabaseWithMutex-COL-02-LTLCardinality-05 finished in 120 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 14 out of 38 places. Attempting structural reductions.
Starting structural reductions in SI_LTL mode, iteration 0 : 38/38 places, 32/32 transitions.
Discarding 4 places :
Implicit places reduction removed 4 places
Performed 4 Post agglomeration using F-continuation condition.Transition count delta: 4
Iterating post reduction 0 with 8 rules applied. Total rules applied 8 place count 34 transition count 28
Reduce places removed 4 places and 0 transitions.
Iterating post reduction 1 with 4 rules applied. Total rules applied 12 place count 30 transition count 28
Applied a total of 12 rules in 9 ms. Remains 30 /38 variables (removed 8) and now considering 28/32 (removed 4) transitions.
// Phase 1: matrix 28 rows 30 cols
[2024-05-21 19:46:51] [INFO ] Computed 6 invariants in 1 ms
[2024-05-21 19:46:51] [INFO ] Implicit Places using invariants in 33 ms returned [20, 21]
Discarding 2 places :
Implicit Place search using SMT only with invariants took 35 ms to find 2 implicit places.
Starting structural reductions in SI_LTL mode, iteration 1 : 28/38 places, 28/32 transitions.
Performed 4 Post agglomeration using F-continuation condition.Transition count delta: 4
Iterating post reduction 0 with 4 rules applied. Total rules applied 4 place count 28 transition count 24
Reduce places removed 4 places and 0 transitions.
Iterating post reduction 1 with 4 rules applied. Total rules applied 8 place count 24 transition count 24
Applied a total of 8 rules in 1 ms. Remains 24 /28 variables (removed 4) and now considering 24/28 (removed 4) transitions.
// Phase 1: matrix 24 rows 24 cols
[2024-05-21 19:46:51] [INFO ] Computed 4 invariants in 0 ms
[2024-05-21 19:46:51] [INFO ] Implicit Places using invariants in 21 ms returned []
[2024-05-21 19:46:51] [INFO ] Invariant cache hit.
[2024-05-21 19:46:51] [INFO ] Implicit Places using invariants and state equation in 31 ms returned []
Implicit Place search using SMT with State Equation took 55 ms to find 0 implicit places.
Starting structural reductions in SI_LTL mode, iteration 2 : 24/38 places, 24/32 transitions.
Finished structural reductions in SI_LTL mode , in 2 iterations and 100 ms. Remains : 24/38 places, 24/32 transitions.
Stuttering acceptance computed with spot in 65 ms :[(NOT p0), (NOT p0)]
Running random walk in product with property : DatabaseWithMutex-COL-02-LTLCardinality-09
Product exploration explored 100000 steps with 5565 reset in 86 ms.
Product exploration explored 100000 steps with 5424 reset in 129 ms.
Computed a total of 0 stabilizing places and 0 stable transitions
Computed a total of 0 stabilizing places and 0 stable transitions
Knowledge obtained : [p0, (X p0), (X (X p0))]
False Knowledge obtained : []
Knowledge based reduction with 3 factoid took 74 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 62 ms :[(NOT p0), (NOT p0)]
RANDOM walk for 42 steps (0 resets) in 4 ms. (8 steps per ms) remains 0/1 properties
Knowledge obtained : [p0, (X p0), (X (X p0))]
False Knowledge obtained : [(F (NOT p0))]
Knowledge based reduction with 3 factoid took 296 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 74 ms :[(NOT p0), (NOT p0)]
Stuttering acceptance computed with spot in 85 ms :[(NOT p0), (NOT p0)]
Support contains 14 out of 24 places. Attempting structural reductions.
Starting structural reductions in SI_LTL mode, iteration 0 : 24/24 places, 24/24 transitions.
Applied a total of 0 rules in 1 ms. Remains 24 /24 variables (removed 0) and now considering 24/24 (removed 0) transitions.
[2024-05-21 19:46:52] [INFO ] Invariant cache hit.
[2024-05-21 19:46:52] [INFO ] Implicit Places using invariants in 23 ms returned []
[2024-05-21 19:46:52] [INFO ] Invariant cache hit.
[2024-05-21 19:46:52] [INFO ] Implicit Places using invariants and state equation in 28 ms returned []
Implicit Place search using SMT with State Equation took 53 ms to find 0 implicit places.
[2024-05-21 19:46:52] [INFO ] Redundant transitions in 0 ms returned []
Running 20 sub problems to find dead transitions.
[2024-05-21 19:46:52] [INFO ] Invariant cache hit.
At refinement iteration 0 (INCLUDED_ONLY) 0/22 variables, 2/2 constraints. Problems are: Problem set: 0 solved, 20 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/22 variables, 0/2 constraints. Problems are: Problem set: 0 solved, 20 unsolved
At refinement iteration 2 (OVERLAPS) 2/24 variables, 2/4 constraints. Problems are: Problem set: 0 solved, 20 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/24 variables, 0/4 constraints. Problems are: Problem set: 0 solved, 20 unsolved
At refinement iteration 4 (OVERLAPS) 24/48 variables, 24/28 constraints. Problems are: Problem set: 0 solved, 20 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/48 variables, 0/28 constraints. Problems are: Problem set: 0 solved, 20 unsolved
At refinement iteration 6 (OVERLAPS) 0/48 variables, 0/28 constraints. Problems are: Problem set: 0 solved, 20 unsolved
No progress, stopping.
After SMT solving in domain Real declared 48/48 variables, and 28 constraints, problems are : Problem set: 0 solved, 20 unsolved in 134 ms.
Refiners :[Positive P Invariants (semi-flows): 4/4 constraints, State Equation: 24/24 constraints, PredecessorRefiner: 20/20 constraints, Known Traps: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 20 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/22 variables, 2/2 constraints. Problems are: Problem set: 0 solved, 20 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/22 variables, 0/2 constraints. Problems are: Problem set: 0 solved, 20 unsolved
At refinement iteration 2 (OVERLAPS) 2/24 variables, 2/4 constraints. Problems are: Problem set: 0 solved, 20 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/24 variables, 0/4 constraints. Problems are: Problem set: 0 solved, 20 unsolved
At refinement iteration 4 (OVERLAPS) 24/48 variables, 24/28 constraints. Problems are: Problem set: 0 solved, 20 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/48 variables, 20/48 constraints. Problems are: Problem set: 0 solved, 20 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/48 variables, 0/48 constraints. Problems are: Problem set: 0 solved, 20 unsolved
At refinement iteration 7 (OVERLAPS) 0/48 variables, 0/48 constraints. Problems are: Problem set: 0 solved, 20 unsolved
No progress, stopping.
After SMT solving in domain Int declared 48/48 variables, and 48 constraints, problems are : Problem set: 0 solved, 20 unsolved in 149 ms.
Refiners :[Positive P Invariants (semi-flows): 4/4 constraints, State Equation: 24/24 constraints, PredecessorRefiner: 20/20 constraints, Known Traps: 0/0 constraints]
After SMT, in 287ms problems are : Problem set: 0 solved, 20 unsolved
Search for dead transitions found 0 dead transitions in 288ms
Finished structural reductions in SI_LTL mode , in 1 iterations and 348 ms. Remains : 24/24 places, 24/24 transitions.
Computed a total of 0 stabilizing places and 0 stable transitions
Computed a total of 0 stabilizing places and 0 stable transitions
Knowledge obtained : [p0, (X p0), (X (X p0))]
False Knowledge obtained : []
Knowledge based reduction with 3 factoid took 101 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 83 ms :[(NOT p0), (NOT p0)]
RANDOM walk for 23 steps (0 resets) in 4 ms. (4 steps per ms) remains 0/1 properties
Knowledge obtained : [p0, (X p0), (X (X p0))]
False Knowledge obtained : [(F (NOT p0))]
Knowledge based reduction with 3 factoid took 91 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 62 ms :[(NOT p0), (NOT p0)]
Stuttering acceptance computed with spot in 74 ms :[(NOT p0), (NOT p0)]
Stuttering acceptance computed with spot in 66 ms :[(NOT p0), (NOT p0)]
Product exploration explored 100000 steps with 5521 reset in 73 ms.
Product exploration explored 100000 steps with 5531 reset in 84 ms.
Support contains 14 out of 24 places. Attempting structural reductions.
Starting structural reductions in SI_LTL mode, iteration 0 : 24/24 places, 24/24 transitions.
Applied a total of 0 rules in 2 ms. Remains 24 /24 variables (removed 0) and now considering 24/24 (removed 0) transitions.
[2024-05-21 19:46:53] [INFO ] Invariant cache hit.
[2024-05-21 19:46:53] [INFO ] Implicit Places using invariants in 22 ms returned []
[2024-05-21 19:46:53] [INFO ] Invariant cache hit.
[2024-05-21 19:46:53] [INFO ] Implicit Places using invariants and state equation in 25 ms returned []
Implicit Place search using SMT with State Equation took 54 ms to find 0 implicit places.
[2024-05-21 19:46:53] [INFO ] Redundant transitions in 0 ms returned []
Running 20 sub problems to find dead transitions.
[2024-05-21 19:46:53] [INFO ] Invariant cache hit.
At refinement iteration 0 (INCLUDED_ONLY) 0/22 variables, 2/2 constraints. Problems are: Problem set: 0 solved, 20 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/22 variables, 0/2 constraints. Problems are: Problem set: 0 solved, 20 unsolved
At refinement iteration 2 (OVERLAPS) 2/24 variables, 2/4 constraints. Problems are: Problem set: 0 solved, 20 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/24 variables, 0/4 constraints. Problems are: Problem set: 0 solved, 20 unsolved
At refinement iteration 4 (OVERLAPS) 24/48 variables, 24/28 constraints. Problems are: Problem set: 0 solved, 20 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/48 variables, 0/28 constraints. Problems are: Problem set: 0 solved, 20 unsolved
At refinement iteration 6 (OVERLAPS) 0/48 variables, 0/28 constraints. Problems are: Problem set: 0 solved, 20 unsolved
No progress, stopping.
After SMT solving in domain Real declared 48/48 variables, and 28 constraints, problems are : Problem set: 0 solved, 20 unsolved in 136 ms.
Refiners :[Positive P Invariants (semi-flows): 4/4 constraints, State Equation: 24/24 constraints, PredecessorRefiner: 20/20 constraints, Known Traps: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 20 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/22 variables, 2/2 constraints. Problems are: Problem set: 0 solved, 20 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/22 variables, 0/2 constraints. Problems are: Problem set: 0 solved, 20 unsolved
At refinement iteration 2 (OVERLAPS) 2/24 variables, 2/4 constraints. Problems are: Problem set: 0 solved, 20 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/24 variables, 0/4 constraints. Problems are: Problem set: 0 solved, 20 unsolved
At refinement iteration 4 (OVERLAPS) 24/48 variables, 24/28 constraints. Problems are: Problem set: 0 solved, 20 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/48 variables, 20/48 constraints. Problems are: Problem set: 0 solved, 20 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/48 variables, 0/48 constraints. Problems are: Problem set: 0 solved, 20 unsolved
At refinement iteration 7 (OVERLAPS) 0/48 variables, 0/48 constraints. Problems are: Problem set: 0 solved, 20 unsolved
No progress, stopping.
After SMT solving in domain Int declared 48/48 variables, and 48 constraints, problems are : Problem set: 0 solved, 20 unsolved in 143 ms.
Refiners :[Positive P Invariants (semi-flows): 4/4 constraints, State Equation: 24/24 constraints, PredecessorRefiner: 20/20 constraints, Known Traps: 0/0 constraints]
After SMT, in 282ms problems are : Problem set: 0 solved, 20 unsolved
Search for dead transitions found 0 dead transitions in 283ms
Finished structural reductions in SI_LTL mode , in 1 iterations and 343 ms. Remains : 24/24 places, 24/24 transitions.
Treatment of property DatabaseWithMutex-COL-02-LTLCardinality-09 finished in 2390 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)))'
Support contains 2 out of 38 places. Attempting structural reductions.
Starting structural reductions in SI_LTL mode, iteration 0 : 38/38 places, 32/32 transitions.
Discarding 4 places :
Implicit places reduction removed 4 places
Drop transitions (Trivial Post-Agglo cleanup.) removed 8 transitions
Trivial Post-agglo rules discarded 8 transitions
Performed 8 trivial Post agglomeration. Transition count delta: 8
Iterating post reduction 0 with 12 rules applied. Total rules applied 12 place count 34 transition count 24
Reduce places removed 10 places and 0 transitions.
Drop transitions (Trivial Post-Agglo cleanup.) removed 8 transitions
Trivial Post-agglo rules discarded 8 transitions
Performed 8 trivial Post agglomeration. Transition count delta: 8
Iterating post reduction 1 with 18 rules applied. Total rules applied 30 place count 24 transition count 16
Reduce places removed 8 places and 0 transitions.
Performed 4 Post agglomeration using F-continuation condition.Transition count delta: 4
Iterating post reduction 2 with 12 rules applied. Total rules applied 42 place count 16 transition count 12
Reduce places removed 4 places and 0 transitions.
Iterating post reduction 3 with 4 rules applied. Total rules applied 46 place count 12 transition count 12
Applied a total of 46 rules in 3 ms. Remains 12 /38 variables (removed 26) and now considering 12/32 (removed 20) transitions.
// Phase 1: matrix 12 rows 12 cols
[2024-05-21 19:46:54] [INFO ] Computed 4 invariants in 0 ms
[2024-05-21 19:46:54] [INFO ] Implicit Places using invariants in 21 ms returned []
[2024-05-21 19:46:54] [INFO ] Invariant cache hit.
[2024-05-21 19:46:54] [INFO ] Implicit Places using invariants and state equation in 25 ms returned []
Implicit Place search using SMT with State Equation took 48 ms to find 0 implicit places.
[2024-05-21 19:46:54] [INFO ] Redundant transitions in 0 ms returned []
Running 8 sub problems to find dead transitions.
[2024-05-21 19:46:54] [INFO ] Invariant cache hit.
At refinement iteration 0 (INCLUDED_ONLY) 0/10 variables, 2/2 constraints. Problems are: Problem set: 0 solved, 8 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/10 variables, 0/2 constraints. Problems are: Problem set: 0 solved, 8 unsolved
At refinement iteration 2 (OVERLAPS) 2/12 variables, 2/4 constraints. Problems are: Problem set: 0 solved, 8 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/12 variables, 0/4 constraints. Problems are: Problem set: 0 solved, 8 unsolved
At refinement iteration 4 (OVERLAPS) 12/24 variables, 12/16 constraints. Problems are: Problem set: 0 solved, 8 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/24 variables, 0/16 constraints. Problems are: Problem set: 0 solved, 8 unsolved
At refinement iteration 6 (OVERLAPS) 0/24 variables, 0/16 constraints. Problems are: Problem set: 0 solved, 8 unsolved
No progress, stopping.
After SMT solving in domain Real declared 24/24 variables, and 16 constraints, problems are : Problem set: 0 solved, 8 unsolved in 55 ms.
Refiners :[Positive P Invariants (semi-flows): 4/4 constraints, State Equation: 12/12 constraints, PredecessorRefiner: 8/8 constraints, Known Traps: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 8 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/10 variables, 2/2 constraints. Problems are: Problem set: 0 solved, 8 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/10 variables, 0/2 constraints. Problems are: Problem set: 0 solved, 8 unsolved
At refinement iteration 2 (OVERLAPS) 2/12 variables, 2/4 constraints. Problems are: Problem set: 0 solved, 8 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/12 variables, 0/4 constraints. Problems are: Problem set: 0 solved, 8 unsolved
At refinement iteration 4 (OVERLAPS) 12/24 variables, 12/16 constraints. Problems are: Problem set: 0 solved, 8 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/24 variables, 8/24 constraints. Problems are: Problem set: 0 solved, 8 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/24 variables, 0/24 constraints. Problems are: Problem set: 0 solved, 8 unsolved
At refinement iteration 7 (OVERLAPS) 0/24 variables, 0/24 constraints. Problems are: Problem set: 0 solved, 8 unsolved
No progress, stopping.
After SMT solving in domain Int declared 24/24 variables, and 24 constraints, problems are : Problem set: 0 solved, 8 unsolved in 54 ms.
Refiners :[Positive P Invariants (semi-flows): 4/4 constraints, State Equation: 12/12 constraints, PredecessorRefiner: 8/8 constraints, Known Traps: 0/0 constraints]
After SMT, in 111ms problems are : Problem set: 0 solved, 8 unsolved
Search for dead transitions found 0 dead transitions in 111ms
Starting structural reductions in SI_LTL mode, iteration 1 : 12/38 places, 12/32 transitions.
Finished structural reductions in SI_LTL mode , in 1 iterations and 167 ms. Remains : 12/38 places, 12/32 transitions.
Stuttering acceptance computed with spot in 27 ms :[(NOT p0)]
Running random walk in product with property : DatabaseWithMutex-COL-02-LTLCardinality-10
Product exploration explored 100000 steps with 0 reset in 74 ms.
Stack based approach found an accepted trace after 3 steps with 0 reset with depth 4 and stack size 4 in 0 ms.
FORMULA DatabaseWithMutex-COL-02-LTLCardinality-10 FALSE TECHNIQUES STACK_TEST
Treatment of property DatabaseWithMutex-COL-02-LTLCardinality-10 finished in 284 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)&&X(X(G(!p0)))))'
Support contains 6 out of 38 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 38/38 places, 32/32 transitions.
Discarding 4 places :
Implicit places reduction removed 4 places
Iterating post reduction 0 with 4 rules applied. Total rules applied 4 place count 34 transition count 32
Applied a total of 4 rules in 1 ms. Remains 34 /38 variables (removed 4) and now considering 32/32 (removed 0) transitions.
// Phase 1: matrix 32 rows 34 cols
[2024-05-21 19:46:54] [INFO ] Computed 6 invariants in 0 ms
[2024-05-21 19:46:54] [INFO ] Implicit Places using invariants in 29 ms returned [24, 25]
Discarding 2 places :
Implicit Place search using SMT only with invariants took 30 ms to find 2 implicit places.
Starting structural reductions in LTL mode, iteration 1 : 32/38 places, 32/32 transitions.
Applied a total of 0 rules in 0 ms. Remains 32 /32 variables (removed 0) and now considering 32/32 (removed 0) transitions.
Finished structural reductions in LTL mode , in 2 iterations and 31 ms. Remains : 32/38 places, 32/32 transitions.
Stuttering acceptance computed with spot in 183 ms :[true, p0, p0, true, true]
Running random walk in product with property : DatabaseWithMutex-COL-02-LTLCardinality-11
Entered a terminal (fully accepting) state of product in 2 steps with 0 reset in 0 ms.
FORMULA DatabaseWithMutex-COL-02-LTLCardinality-11 FALSE TECHNIQUES STUTTER_TEST
Treatment of property DatabaseWithMutex-COL-02-LTLCardinality-11 finished in 235 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 U X((!p1&&G(p2)))))'
Support contains 12 out of 38 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 38/38 places, 32/32 transitions.
Applied a total of 0 rules in 1 ms. Remains 38 /38 variables (removed 0) and now considering 32/32 (removed 0) transitions.
// Phase 1: matrix 32 rows 38 cols
[2024-05-21 19:46:54] [INFO ] Computed 10 invariants in 1 ms
[2024-05-21 19:46:54] [INFO ] Implicit Places using invariants in 29 ms returned [28, 29]
Discarding 2 places :
Implicit Place search using SMT only with invariants took 30 ms to find 2 implicit places.
Starting structural reductions in LTL mode, iteration 1 : 36/38 places, 32/32 transitions.
Applied a total of 0 rules in 0 ms. Remains 36 /36 variables (removed 0) and now considering 32/32 (removed 0) transitions.
Finished structural reductions in LTL mode , in 2 iterations and 31 ms. Remains : 36/38 places, 32/32 transitions.
Stuttering acceptance computed with spot in 221 ms :[(OR (NOT p2) p1), (OR (NOT p2) p1), (OR (NOT p2) p1), true, (NOT p2), (NOT p2)]
Running random walk in product with property : DatabaseWithMutex-COL-02-LTLCardinality-12
Entered a terminal (fully accepting) state of product in 5 steps with 0 reset in 1 ms.
FORMULA DatabaseWithMutex-COL-02-LTLCardinality-12 FALSE TECHNIQUES STUTTER_TEST
Treatment of property DatabaseWithMutex-COL-02-LTLCardinality-12 finished in 272 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(X(G((p0&&(!p0 U p1))))))'
Support contains 14 out of 38 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 38/38 places, 32/32 transitions.
Discarding 4 places :
Implicit places reduction removed 4 places
Iterating post reduction 0 with 4 rules applied. Total rules applied 4 place count 34 transition count 32
Applied a total of 4 rules in 2 ms. Remains 34 /38 variables (removed 4) and now considering 32/32 (removed 0) transitions.
// Phase 1: matrix 32 rows 34 cols
[2024-05-21 19:46:54] [INFO ] Computed 6 invariants in 0 ms
[2024-05-21 19:46:54] [INFO ] Implicit Places using invariants in 25 ms returned [24, 25]
Discarding 2 places :
Implicit Place search using SMT only with invariants took 26 ms to find 2 implicit places.
Starting structural reductions in LTL mode, iteration 1 : 32/38 places, 32/32 transitions.
Applied a total of 0 rules in 1 ms. Remains 32 /32 variables (removed 0) and now considering 32/32 (removed 0) transitions.
Finished structural reductions in LTL mode , in 2 iterations and 30 ms. Remains : 32/38 places, 32/32 transitions.
Stuttering acceptance computed with spot in 112 ms :[true, (OR (NOT p1) (NOT p0)), (OR (NOT p1) (NOT p0)), (OR (NOT p1) (NOT p0))]
Running random walk in product with property : DatabaseWithMutex-COL-02-LTLCardinality-14
Entered a terminal (fully accepting) state of product in 2 steps with 0 reset in 0 ms.
FORMULA DatabaseWithMutex-COL-02-LTLCardinality-14 FALSE TECHNIQUES STUTTER_TEST
Treatment of property DatabaseWithMutex-COL-02-LTLCardinality-14 finished in 156 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(X(F(p0)))&&F(p1)))'
Found a Shortening insensitive property : DatabaseWithMutex-COL-02-LTLCardinality-03
Stuttering acceptance computed with spot in 142 ms :[(OR (NOT p0) (NOT p1)), (NOT p0), (NOT p1), (NOT p0)]
Support contains 6 out of 38 places. Attempting structural reductions.
Starting structural reductions in LI_LTL mode, iteration 0 : 38/38 places, 32/32 transitions.
Discarding 4 places :
Implicit places reduction removed 4 places
Drop transitions (Trivial Post-Agglo cleanup.) removed 4 transitions
Trivial Post-agglo rules discarded 4 transitions
Performed 4 trivial Post agglomeration. Transition count delta: 4
Iterating post reduction 0 with 8 rules applied. Total rules applied 8 place count 34 transition count 28
Reduce places removed 6 places and 0 transitions.
Drop transitions (Trivial Post-Agglo cleanup.) removed 4 transitions
Trivial Post-agglo rules discarded 4 transitions
Performed 4 trivial Post agglomeration. Transition count delta: 4
Iterating post reduction 1 with 10 rules applied. Total rules applied 18 place count 28 transition count 24
Reduce places removed 4 places and 0 transitions.
Performed 4 Post agglomeration using F-continuation condition.Transition count delta: 4
Iterating post reduction 2 with 8 rules applied. Total rules applied 26 place count 24 transition count 20
Reduce places removed 4 places and 0 transitions.
Iterating post reduction 3 with 4 rules applied. Total rules applied 30 place count 20 transition count 20
Applied a total of 30 rules in 7 ms. Remains 20 /38 variables (removed 18) and now considering 20/32 (removed 12) transitions.
// Phase 1: matrix 20 rows 20 cols
[2024-05-21 19:46:55] [INFO ] Computed 4 invariants in 0 ms
[2024-05-21 19:46:55] [INFO ] Implicit Places using invariants in 21 ms returned []
[2024-05-21 19:46:55] [INFO ] Invariant cache hit.
[2024-05-21 19:46:55] [INFO ] Implicit Places using invariants and state equation in 33 ms returned []
Implicit Place search using SMT with State Equation took 56 ms to find 0 implicit places.
Running 16 sub problems to find dead transitions.
[2024-05-21 19:46:55] [INFO ] Invariant cache hit.
At refinement iteration 0 (INCLUDED_ONLY) 0/18 variables, 2/2 constraints. Problems are: Problem set: 0 solved, 16 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/18 variables, 0/2 constraints. Problems are: Problem set: 0 solved, 16 unsolved
At refinement iteration 2 (OVERLAPS) 2/20 variables, 2/4 constraints. Problems are: Problem set: 0 solved, 16 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/20 variables, 0/4 constraints. Problems are: Problem set: 0 solved, 16 unsolved
At refinement iteration 4 (OVERLAPS) 20/40 variables, 20/24 constraints. Problems are: Problem set: 0 solved, 16 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/40 variables, 0/24 constraints. Problems are: Problem set: 0 solved, 16 unsolved
At refinement iteration 6 (OVERLAPS) 0/40 variables, 0/24 constraints. Problems are: Problem set: 0 solved, 16 unsolved
No progress, stopping.
After SMT solving in domain Real declared 40/40 variables, and 24 constraints, problems are : Problem set: 0 solved, 16 unsolved in 105 ms.
Refiners :[Positive P Invariants (semi-flows): 4/4 constraints, State Equation: 20/20 constraints, PredecessorRefiner: 16/16 constraints, Known Traps: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 16 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/18 variables, 2/2 constraints. Problems are: Problem set: 0 solved, 16 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/18 variables, 0/2 constraints. Problems are: Problem set: 0 solved, 16 unsolved
At refinement iteration 2 (OVERLAPS) 2/20 variables, 2/4 constraints. Problems are: Problem set: 0 solved, 16 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/20 variables, 0/4 constraints. Problems are: Problem set: 0 solved, 16 unsolved
At refinement iteration 4 (OVERLAPS) 20/40 variables, 20/24 constraints. Problems are: Problem set: 0 solved, 16 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/40 variables, 16/40 constraints. Problems are: Problem set: 0 solved, 16 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/40 variables, 0/40 constraints. Problems are: Problem set: 0 solved, 16 unsolved
At refinement iteration 7 (OVERLAPS) 0/40 variables, 0/40 constraints. Problems are: Problem set: 0 solved, 16 unsolved
No progress, stopping.
After SMT solving in domain Int declared 40/40 variables, and 40 constraints, problems are : Problem set: 0 solved, 16 unsolved in 120 ms.
Refiners :[Positive P Invariants (semi-flows): 4/4 constraints, State Equation: 20/20 constraints, PredecessorRefiner: 16/16 constraints, Known Traps: 0/0 constraints]
After SMT, in 233ms problems are : Problem set: 0 solved, 16 unsolved
Search for dead transitions found 0 dead transitions in 233ms
Starting structural reductions in LI_LTL mode, iteration 1 : 20/38 places, 20/32 transitions.
Finished structural reductions in LI_LTL mode , in 1 iterations and 297 ms. Remains : 20/38 places, 20/32 transitions.
Running random walk in product with property : DatabaseWithMutex-COL-02-LTLCardinality-03
Product exploration explored 100000 steps with 37537 reset in 59 ms.
Product exploration explored 100000 steps with 37461 reset in 64 ms.
Computed a total of 0 stabilizing places and 0 stable transitions
Computed a total of 0 stabilizing places and 0 stable transitions
Knowledge obtained : [(AND (NOT p1) (NOT p0)), (X p1), (X (X p1))]
False Knowledge obtained : [(X (X (NOT p0))), (X (X p0))]
Knowledge based reduction with 3 factoid took 134 ms. Reduced automaton from 4 states, 5 edges and 2 AP (stutter sensitive) to 3 states, 3 edges and 1 AP (stutter sensitive).
Stuttering acceptance computed with spot in 121 ms :[(NOT p0), (NOT p0), (NOT p0)]
RANDOM walk for 11 steps (0 resets) in 4 ms. (2 steps per ms) remains 0/1 properties
Knowledge obtained : [(AND (NOT p1) (NOT p0)), (X p1), (X (X p1))]
False Knowledge obtained : [(X (X (NOT p0))), (X (X p0)), (F p0)]
Knowledge based reduction with 3 factoid took 169 ms. Reduced automaton from 3 states, 3 edges and 1 AP (stutter sensitive) to 3 states, 3 edges and 1 AP (stutter sensitive).
Stuttering acceptance computed with spot in 135 ms :[(NOT p0), (NOT p0), (NOT p0)]
Stuttering acceptance computed with spot in 131 ms :[(NOT p0), (NOT p0), (NOT p0)]
[2024-05-21 19:46:56] [INFO ] Invariant cache hit.
[2024-05-21 19:46:56] [INFO ] [Real]Absence check using 4 positive place invariants in 1 ms returned sat
[2024-05-21 19:46:56] [INFO ] [Real]Absence check using state equation in 12 ms returned sat
[2024-05-21 19:46:56] [INFO ] Solution in real domain found non-integer solution.
[2024-05-21 19:46:56] [INFO ] [Nat]Absence check using 4 positive place invariants in 1 ms returned sat
[2024-05-21 19:46:56] [INFO ] [Nat]Absence check using state equation in 5 ms returned sat
[2024-05-21 19:46:56] [INFO ] Computed and/alt/rep : 16/16/16 causal constraints (skipped 0 transitions) in 1 ms.
[2024-05-21 19:46:56] [INFO ] Added : 1 causal constraints over 1 iterations in 6 ms. Result :sat
Could not prove EG (NOT p0)
Support contains 6 out of 20 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 20/20 places, 20/20 transitions.
Applied a total of 0 rules in 0 ms. Remains 20 /20 variables (removed 0) and now considering 20/20 (removed 0) transitions.
[2024-05-21 19:46:56] [INFO ] Invariant cache hit.
[2024-05-21 19:46:56] [INFO ] Implicit Places using invariants in 19 ms returned []
[2024-05-21 19:46:56] [INFO ] Invariant cache hit.
[2024-05-21 19:46:56] [INFO ] Implicit Places using invariants and state equation in 27 ms returned []
Implicit Place search using SMT with State Equation took 48 ms to find 0 implicit places.
Running 16 sub problems to find dead transitions.
[2024-05-21 19:46:56] [INFO ] Invariant cache hit.
At refinement iteration 0 (INCLUDED_ONLY) 0/18 variables, 2/2 constraints. Problems are: Problem set: 0 solved, 16 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/18 variables, 0/2 constraints. Problems are: Problem set: 0 solved, 16 unsolved
At refinement iteration 2 (OVERLAPS) 2/20 variables, 2/4 constraints. Problems are: Problem set: 0 solved, 16 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/20 variables, 0/4 constraints. Problems are: Problem set: 0 solved, 16 unsolved
At refinement iteration 4 (OVERLAPS) 20/40 variables, 20/24 constraints. Problems are: Problem set: 0 solved, 16 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/40 variables, 0/24 constraints. Problems are: Problem set: 0 solved, 16 unsolved
At refinement iteration 6 (OVERLAPS) 0/40 variables, 0/24 constraints. Problems are: Problem set: 0 solved, 16 unsolved
No progress, stopping.
After SMT solving in domain Real declared 40/40 variables, and 24 constraints, problems are : Problem set: 0 solved, 16 unsolved in 148 ms.
Refiners :[Positive P Invariants (semi-flows): 4/4 constraints, State Equation: 20/20 constraints, PredecessorRefiner: 16/16 constraints, Known Traps: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 16 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/18 variables, 2/2 constraints. Problems are: Problem set: 0 solved, 16 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/18 variables, 0/2 constraints. Problems are: Problem set: 0 solved, 16 unsolved
At refinement iteration 2 (OVERLAPS) 2/20 variables, 2/4 constraints. Problems are: Problem set: 0 solved, 16 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/20 variables, 0/4 constraints. Problems are: Problem set: 0 solved, 16 unsolved
At refinement iteration 4 (OVERLAPS) 20/40 variables, 20/24 constraints. Problems are: Problem set: 0 solved, 16 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/40 variables, 16/40 constraints. Problems are: Problem set: 0 solved, 16 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/40 variables, 0/40 constraints. Problems are: Problem set: 0 solved, 16 unsolved
At refinement iteration 7 (OVERLAPS) 0/40 variables, 0/40 constraints. Problems are: Problem set: 0 solved, 16 unsolved
No progress, stopping.
After SMT solving in domain Int declared 40/40 variables, and 40 constraints, problems are : Problem set: 0 solved, 16 unsolved in 126 ms.
Refiners :[Positive P Invariants (semi-flows): 4/4 constraints, State Equation: 20/20 constraints, PredecessorRefiner: 16/16 constraints, Known Traps: 0/0 constraints]
After SMT, in 287ms problems are : Problem set: 0 solved, 16 unsolved
Search for dead transitions found 0 dead transitions in 288ms
Finished structural reductions in LTL mode , in 1 iterations and 339 ms. Remains : 20/20 places, 20/20 transitions.
Computed a total of 0 stabilizing places and 0 stable transitions
Computed a total of 0 stabilizing places and 0 stable transitions
Knowledge obtained : [(NOT p0)]
False Knowledge obtained : [(X (X (NOT p0))), (X (X p0))]
Knowledge based reduction with 1 factoid took 134 ms. Reduced automaton from 3 states, 3 edges and 1 AP (stutter sensitive) to 3 states, 3 edges and 1 AP (stutter sensitive).
Stuttering acceptance computed with spot in 121 ms :[(NOT p0), (NOT p0), (NOT p0)]
RANDOM walk for 8 steps (0 resets) in 5 ms. (1 steps per ms) remains 0/1 properties
Knowledge obtained : [(NOT p0)]
False Knowledge obtained : [(X (X (NOT p0))), (X (X p0)), (F p0)]
Knowledge based reduction with 1 factoid took 342 ms. Reduced automaton from 3 states, 3 edges and 1 AP (stutter sensitive) to 3 states, 3 edges and 1 AP (stutter sensitive).
Stuttering acceptance computed with spot in 151 ms :[(NOT p0), (NOT p0), (NOT p0)]
Stuttering acceptance computed with spot in 134 ms :[(NOT p0), (NOT p0), (NOT p0)]
[2024-05-21 19:46:57] [INFO ] Invariant cache hit.
[2024-05-21 19:46:57] [INFO ] [Real]Absence check using 4 positive place invariants in 0 ms returned sat
[2024-05-21 19:46:57] [INFO ] [Real]Absence check using state equation in 5 ms returned sat
[2024-05-21 19:46:57] [INFO ] Solution in real domain found non-integer solution.
[2024-05-21 19:46:57] [INFO ] [Nat]Absence check using 4 positive place invariants in 1 ms returned sat
[2024-05-21 19:46:57] [INFO ] [Nat]Absence check using state equation in 7 ms returned sat
[2024-05-21 19:46:57] [INFO ] Computed and/alt/rep : 16/16/16 causal constraints (skipped 0 transitions) in 1 ms.
[2024-05-21 19:46:57] [INFO ] Added : 1 causal constraints over 1 iterations in 4 ms. Result :sat
Could not prove EG (NOT p0)
Stuttering acceptance computed with spot in 110 ms :[(NOT p0), (NOT p0), (NOT p0)]
Product exploration explored 100000 steps with 29994 reset in 62 ms.
Product exploration explored 100000 steps with 30034 reset in 57 ms.
Applying partial POR strategy [true, false, false]
Stuttering acceptance computed with spot in 111 ms :[(NOT p0), (NOT p0), (NOT p0)]
Support contains 6 out of 20 places. Attempting structural reductions.
Starting structural reductions in SI_LTL mode, iteration 0 : 20/20 places, 20/20 transitions.
Applied a total of 0 rules in 0 ms. Remains 20 /20 variables (removed 0) and now considering 20/20 (removed 0) transitions.
[2024-05-21 19:46:58] [INFO ] Redundant transitions in 0 ms returned []
Running 16 sub problems to find dead transitions.
[2024-05-21 19:46:58] [INFO ] Invariant cache hit.
At refinement iteration 0 (INCLUDED_ONLY) 0/18 variables, 2/2 constraints. Problems are: Problem set: 0 solved, 16 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/18 variables, 0/2 constraints. Problems are: Problem set: 0 solved, 16 unsolved
At refinement iteration 2 (OVERLAPS) 2/20 variables, 2/4 constraints. Problems are: Problem set: 0 solved, 16 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/20 variables, 0/4 constraints. Problems are: Problem set: 0 solved, 16 unsolved
At refinement iteration 4 (OVERLAPS) 20/40 variables, 20/24 constraints. Problems are: Problem set: 0 solved, 16 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/40 variables, 0/24 constraints. Problems are: Problem set: 0 solved, 16 unsolved
At refinement iteration 6 (OVERLAPS) 0/40 variables, 0/24 constraints. Problems are: Problem set: 0 solved, 16 unsolved
No progress, stopping.
After SMT solving in domain Real declared 40/40 variables, and 24 constraints, problems are : Problem set: 0 solved, 16 unsolved in 111 ms.
Refiners :[Positive P Invariants (semi-flows): 4/4 constraints, State Equation: 20/20 constraints, PredecessorRefiner: 16/16 constraints, Known Traps: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 16 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/18 variables, 2/2 constraints. Problems are: Problem set: 0 solved, 16 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/18 variables, 0/2 constraints. Problems are: Problem set: 0 solved, 16 unsolved
At refinement iteration 2 (OVERLAPS) 2/20 variables, 2/4 constraints. Problems are: Problem set: 0 solved, 16 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/20 variables, 0/4 constraints. Problems are: Problem set: 0 solved, 16 unsolved
At refinement iteration 4 (OVERLAPS) 20/40 variables, 20/24 constraints. Problems are: Problem set: 0 solved, 16 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/40 variables, 16/40 constraints. Problems are: Problem set: 0 solved, 16 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/40 variables, 0/40 constraints. Problems are: Problem set: 0 solved, 16 unsolved
At refinement iteration 7 (OVERLAPS) 0/40 variables, 0/40 constraints. Problems are: Problem set: 0 solved, 16 unsolved
No progress, stopping.
After SMT solving in domain Int declared 40/40 variables, and 40 constraints, problems are : Problem set: 0 solved, 16 unsolved in 122 ms.
Refiners :[Positive P Invariants (semi-flows): 4/4 constraints, State Equation: 20/20 constraints, PredecessorRefiner: 16/16 constraints, Known Traps: 0/0 constraints]
After SMT, in 237ms problems are : Problem set: 0 solved, 16 unsolved
Search for dead transitions found 0 dead transitions in 238ms
Finished structural reductions in SI_LTL mode , in 1 iterations and 244 ms. Remains : 20/20 places, 20/20 transitions.
Support contains 6 out of 20 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 20/20 places, 20/20 transitions.
Applied a total of 0 rules in 1 ms. Remains 20 /20 variables (removed 0) and now considering 20/20 (removed 0) transitions.
[2024-05-21 19:46:58] [INFO ] Invariant cache hit.
[2024-05-21 19:46:58] [INFO ] Implicit Places using invariants in 20 ms returned []
[2024-05-21 19:46:58] [INFO ] Invariant cache hit.
[2024-05-21 19:46:58] [INFO ] Implicit Places using invariants and state equation in 23 ms returned []
Implicit Place search using SMT with State Equation took 45 ms to find 0 implicit places.
Running 16 sub problems to find dead transitions.
[2024-05-21 19:46:58] [INFO ] Invariant cache hit.
At refinement iteration 0 (INCLUDED_ONLY) 0/18 variables, 2/2 constraints. Problems are: Problem set: 0 solved, 16 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/18 variables, 0/2 constraints. Problems are: Problem set: 0 solved, 16 unsolved
At refinement iteration 2 (OVERLAPS) 2/20 variables, 2/4 constraints. Problems are: Problem set: 0 solved, 16 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/20 variables, 0/4 constraints. Problems are: Problem set: 0 solved, 16 unsolved
At refinement iteration 4 (OVERLAPS) 20/40 variables, 20/24 constraints. Problems are: Problem set: 0 solved, 16 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/40 variables, 0/24 constraints. Problems are: Problem set: 0 solved, 16 unsolved
At refinement iteration 6 (OVERLAPS) 0/40 variables, 0/24 constraints. Problems are: Problem set: 0 solved, 16 unsolved
No progress, stopping.
After SMT solving in domain Real declared 40/40 variables, and 24 constraints, problems are : Problem set: 0 solved, 16 unsolved in 113 ms.
Refiners :[Positive P Invariants (semi-flows): 4/4 constraints, State Equation: 20/20 constraints, PredecessorRefiner: 16/16 constraints, Known Traps: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 16 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/18 variables, 2/2 constraints. Problems are: Problem set: 0 solved, 16 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/18 variables, 0/2 constraints. Problems are: Problem set: 0 solved, 16 unsolved
At refinement iteration 2 (OVERLAPS) 2/20 variables, 2/4 constraints. Problems are: Problem set: 0 solved, 16 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/20 variables, 0/4 constraints. Problems are: Problem set: 0 solved, 16 unsolved
At refinement iteration 4 (OVERLAPS) 20/40 variables, 20/24 constraints. Problems are: Problem set: 0 solved, 16 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/40 variables, 16/40 constraints. Problems are: Problem set: 0 solved, 16 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/40 variables, 0/40 constraints. Problems are: Problem set: 0 solved, 16 unsolved
At refinement iteration 7 (OVERLAPS) 0/40 variables, 0/40 constraints. Problems are: Problem set: 0 solved, 16 unsolved
No progress, stopping.
After SMT solving in domain Int declared 40/40 variables, and 40 constraints, problems are : Problem set: 0 solved, 16 unsolved in 122 ms.
Refiners :[Positive P Invariants (semi-flows): 4/4 constraints, State Equation: 20/20 constraints, PredecessorRefiner: 16/16 constraints, Known Traps: 0/0 constraints]
After SMT, in 238ms problems are : Problem set: 0 solved, 16 unsolved
Search for dead transitions found 0 dead transitions in 239ms
Finished structural reductions in LTL mode , in 1 iterations and 285 ms. Remains : 20/20 places, 20/20 transitions.
Treatment of property DatabaseWithMutex-COL-02-LTLCardinality-03 finished in 3826 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(X(F(p0))))'
Found a Shortening insensitive property : DatabaseWithMutex-COL-02-LTLCardinality-04
Stuttering acceptance computed with spot in 98 ms :[(NOT p0), (NOT p0), (NOT p0)]
Support contains 4 out of 38 places. Attempting structural reductions.
Starting structural reductions in LI_LTL mode, iteration 0 : 38/38 places, 32/32 transitions.
Drop transitions (Trivial Post-Agglo cleanup.) removed 4 transitions
Trivial Post-agglo rules discarded 4 transitions
Performed 4 trivial Post agglomeration. Transition count delta: 4
Iterating post reduction 0 with 4 rules applied. Total rules applied 4 place count 38 transition count 28
Reduce places removed 6 places and 0 transitions.
Drop transitions (Trivial Post-Agglo cleanup.) removed 8 transitions
Trivial Post-agglo rules discarded 8 transitions
Performed 8 trivial Post agglomeration. Transition count delta: 8
Iterating post reduction 1 with 14 rules applied. Total rules applied 18 place count 32 transition count 20
Reduce places removed 8 places and 0 transitions.
Iterating post reduction 2 with 8 rules applied. Total rules applied 26 place count 24 transition count 20
Performed 4 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 3 with 4 Pre rules applied. Total rules applied 26 place count 24 transition count 16
Deduced a syphon composed of 4 places in 0 ms
Ensure Unique test removed 4 places
Reduce places removed 8 places and 0 transitions.
Iterating global reduction 3 with 12 rules applied. Total rules applied 38 place count 16 transition count 16
Applied a total of 38 rules in 7 ms. Remains 16 /38 variables (removed 22) and now considering 16/32 (removed 16) transitions.
// Phase 1: matrix 16 rows 16 cols
[2024-05-21 19:46:59] [INFO ] Computed 4 invariants in 1 ms
[2024-05-21 19:46:59] [INFO ] Implicit Places using invariants in 19 ms returned []
[2024-05-21 19:46:59] [INFO ] Invariant cache hit.
[2024-05-21 19:46:59] [INFO ] Implicit Places using invariants and state equation in 27 ms returned []
Implicit Place search using SMT with State Equation took 47 ms to find 0 implicit places.
Running 12 sub problems to find dead transitions.
[2024-05-21 19:46:59] [INFO ] Invariant cache hit.
At refinement iteration 0 (INCLUDED_ONLY) 0/14 variables, 2/2 constraints. Problems are: Problem set: 0 solved, 12 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/14 variables, 0/2 constraints. Problems are: Problem set: 0 solved, 12 unsolved
At refinement iteration 2 (OVERLAPS) 2/16 variables, 2/4 constraints. Problems are: Problem set: 0 solved, 12 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/16 variables, 0/4 constraints. Problems are: Problem set: 0 solved, 12 unsolved
At refinement iteration 4 (OVERLAPS) 16/32 variables, 16/20 constraints. Problems are: Problem set: 0 solved, 12 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/32 variables, 0/20 constraints. Problems are: Problem set: 0 solved, 12 unsolved
At refinement iteration 6 (OVERLAPS) 0/32 variables, 0/20 constraints. Problems are: Problem set: 0 solved, 12 unsolved
No progress, stopping.
After SMT solving in domain Real declared 32/32 variables, and 20 constraints, problems are : Problem set: 0 solved, 12 unsolved in 83 ms.
Refiners :[Positive P Invariants (semi-flows): 4/4 constraints, State Equation: 16/16 constraints, PredecessorRefiner: 12/12 constraints, Known Traps: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 12 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/14 variables, 2/2 constraints. Problems are: Problem set: 0 solved, 12 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/14 variables, 0/2 constraints. Problems are: Problem set: 0 solved, 12 unsolved
At refinement iteration 2 (OVERLAPS) 2/16 variables, 2/4 constraints. Problems are: Problem set: 0 solved, 12 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/16 variables, 0/4 constraints. Problems are: Problem set: 0 solved, 12 unsolved
At refinement iteration 4 (OVERLAPS) 16/32 variables, 16/20 constraints. Problems are: Problem set: 0 solved, 12 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/32 variables, 12/32 constraints. Problems are: Problem set: 0 solved, 12 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/32 variables, 0/32 constraints. Problems are: Problem set: 0 solved, 12 unsolved
At refinement iteration 7 (OVERLAPS) 0/32 variables, 0/32 constraints. Problems are: Problem set: 0 solved, 12 unsolved
No progress, stopping.
After SMT solving in domain Int declared 32/32 variables, and 32 constraints, problems are : Problem set: 0 solved, 12 unsolved in 76 ms.
Refiners :[Positive P Invariants (semi-flows): 4/4 constraints, State Equation: 16/16 constraints, PredecessorRefiner: 12/12 constraints, Known Traps: 0/0 constraints]
After SMT, in 163ms problems are : Problem set: 0 solved, 12 unsolved
Search for dead transitions found 0 dead transitions in 163ms
Starting structural reductions in LI_LTL mode, iteration 1 : 16/38 places, 16/32 transitions.
Finished structural reductions in LI_LTL mode , in 1 iterations and 219 ms. Remains : 16/38 places, 16/32 transitions.
Running random walk in product with property : DatabaseWithMutex-COL-02-LTLCardinality-04
Product exploration explored 100000 steps with 19555 reset in 61 ms.
Product exploration explored 100000 steps with 19565 reset in 63 ms.
Computed a total of 0 stabilizing places and 0 stable transitions
Computed a total of 0 stabilizing places and 0 stable transitions
Knowledge obtained : [(NOT p0), (X (X (NOT p0)))]
False Knowledge obtained : []
Knowledge based reduction with 2 factoid took 91 ms. Reduced automaton from 3 states, 3 edges and 1 AP (stutter sensitive) to 3 states, 3 edges and 1 AP (stutter sensitive).
Stuttering acceptance computed with spot in 94 ms :[(NOT p0), (NOT p0), (NOT p0)]
RANDOM walk for 16 steps (0 resets) in 4 ms. (3 steps per ms) remains 0/1 properties
Knowledge obtained : [(NOT p0), (X (X (NOT p0)))]
False Knowledge obtained : [(F p0)]
Knowledge based reduction with 2 factoid took 86 ms. Reduced automaton from 3 states, 3 edges and 1 AP (stutter sensitive) to 3 states, 3 edges and 1 AP (stutter sensitive).
Stuttering acceptance computed with spot in 98 ms :[(NOT p0), (NOT p0), (NOT p0)]
Stuttering acceptance computed with spot in 122 ms :[(NOT p0), (NOT p0), (NOT p0)]
[2024-05-21 19:46:59] [INFO ] Invariant cache hit.
[2024-05-21 19:46:59] [INFO ] [Real]Absence check using 4 positive place invariants in 1 ms returned sat
[2024-05-21 19:46:59] [INFO ] [Real]Absence check using state equation in 6 ms returned sat
[2024-05-21 19:46:59] [INFO ] Solution in real domain found non-integer solution.
[2024-05-21 19:46:59] [INFO ] [Nat]Absence check using 4 positive place invariants in 0 ms returned sat
[2024-05-21 19:46:59] [INFO ] [Nat]Absence check using state equation in 5 ms returned sat
[2024-05-21 19:46:59] [INFO ] Computed and/alt/rep : 12/12/12 causal constraints (skipped 0 transitions) in 1 ms.
[2024-05-21 19:46:59] [INFO ] Added : 1 causal constraints over 1 iterations in 4 ms. Result :sat
Could not prove EG (NOT p0)
Support contains 4 out of 16 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 16/16 places, 16/16 transitions.
Applied a total of 0 rules in 0 ms. Remains 16 /16 variables (removed 0) and now considering 16/16 (removed 0) transitions.
[2024-05-21 19:46:59] [INFO ] Invariant cache hit.
[2024-05-21 19:46:59] [INFO ] Implicit Places using invariants in 17 ms returned []
[2024-05-21 19:46:59] [INFO ] Invariant cache hit.
[2024-05-21 19:47:00] [INFO ] Implicit Places using invariants and state equation in 22 ms returned []
Implicit Place search using SMT with State Equation took 41 ms to find 0 implicit places.
Running 12 sub problems to find dead transitions.
[2024-05-21 19:47:00] [INFO ] Invariant cache hit.
At refinement iteration 0 (INCLUDED_ONLY) 0/14 variables, 2/2 constraints. Problems are: Problem set: 0 solved, 12 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/14 variables, 0/2 constraints. Problems are: Problem set: 0 solved, 12 unsolved
At refinement iteration 2 (OVERLAPS) 2/16 variables, 2/4 constraints. Problems are: Problem set: 0 solved, 12 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/16 variables, 0/4 constraints. Problems are: Problem set: 0 solved, 12 unsolved
At refinement iteration 4 (OVERLAPS) 16/32 variables, 16/20 constraints. Problems are: Problem set: 0 solved, 12 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/32 variables, 0/20 constraints. Problems are: Problem set: 0 solved, 12 unsolved
At refinement iteration 6 (OVERLAPS) 0/32 variables, 0/20 constraints. Problems are: Problem set: 0 solved, 12 unsolved
No progress, stopping.
After SMT solving in domain Real declared 32/32 variables, and 20 constraints, problems are : Problem set: 0 solved, 12 unsolved in 89 ms.
Refiners :[Positive P Invariants (semi-flows): 4/4 constraints, State Equation: 16/16 constraints, PredecessorRefiner: 12/12 constraints, Known Traps: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 12 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/14 variables, 2/2 constraints. Problems are: Problem set: 0 solved, 12 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/14 variables, 0/2 constraints. Problems are: Problem set: 0 solved, 12 unsolved
At refinement iteration 2 (OVERLAPS) 2/16 variables, 2/4 constraints. Problems are: Problem set: 0 solved, 12 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/16 variables, 0/4 constraints. Problems are: Problem set: 0 solved, 12 unsolved
At refinement iteration 4 (OVERLAPS) 16/32 variables, 16/20 constraints. Problems are: Problem set: 0 solved, 12 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/32 variables, 12/32 constraints. Problems are: Problem set: 0 solved, 12 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/32 variables, 0/32 constraints. Problems are: Problem set: 0 solved, 12 unsolved
At refinement iteration 7 (OVERLAPS) 0/32 variables, 0/32 constraints. Problems are: Problem set: 0 solved, 12 unsolved
No progress, stopping.
After SMT solving in domain Int declared 32/32 variables, and 32 constraints, problems are : Problem set: 0 solved, 12 unsolved in 80 ms.
Refiners :[Positive P Invariants (semi-flows): 4/4 constraints, State Equation: 16/16 constraints, PredecessorRefiner: 12/12 constraints, Known Traps: 0/0 constraints]
After SMT, in 173ms problems are : Problem set: 0 solved, 12 unsolved
Search for dead transitions found 0 dead transitions in 174ms
Finished structural reductions in LTL mode , in 1 iterations and 216 ms. Remains : 16/16 places, 16/16 transitions.
Computed a total of 0 stabilizing places and 0 stable transitions
Computed a total of 0 stabilizing places and 0 stable transitions
Knowledge obtained : [(NOT p0), (X (X (NOT p0)))]
False Knowledge obtained : []
Knowledge based reduction with 2 factoid took 60 ms. Reduced automaton from 3 states, 3 edges and 1 AP (stutter sensitive) to 3 states, 3 edges and 1 AP (stutter sensitive).
Stuttering acceptance computed with spot in 108 ms :[(NOT p0), (NOT p0), (NOT p0)]
RANDOM walk for 17 steps (0 resets) in 4 ms. (3 steps per ms) remains 0/1 properties
Knowledge obtained : [(NOT p0), (X (X (NOT p0)))]
False Knowledge obtained : [(F p0)]
Knowledge based reduction with 2 factoid took 110 ms. Reduced automaton from 3 states, 3 edges and 1 AP (stutter sensitive) to 3 states, 3 edges and 1 AP (stutter sensitive).
Stuttering acceptance computed with spot in 97 ms :[(NOT p0), (NOT p0), (NOT p0)]
Stuttering acceptance computed with spot in 106 ms :[(NOT p0), (NOT p0), (NOT p0)]
[2024-05-21 19:47:00] [INFO ] Invariant cache hit.
[2024-05-21 19:47:00] [INFO ] [Real]Absence check using 4 positive place invariants in 1 ms returned sat
[2024-05-21 19:47:00] [INFO ] [Real]Absence check using state equation in 4 ms returned sat
[2024-05-21 19:47:00] [INFO ] Solution in real domain found non-integer solution.
[2024-05-21 19:47:00] [INFO ] [Nat]Absence check using 4 positive place invariants in 0 ms returned sat
[2024-05-21 19:47:00] [INFO ] [Nat]Absence check using state equation in 5 ms returned sat
[2024-05-21 19:47:00] [INFO ] Computed and/alt/rep : 12/12/12 causal constraints (skipped 0 transitions) in 1 ms.
[2024-05-21 19:47:00] [INFO ] Added : 1 causal constraints over 1 iterations in 4 ms. Result :sat
Could not prove EG (NOT p0)
Stuttering acceptance computed with spot in 91 ms :[(NOT p0), (NOT p0), (NOT p0)]
Product exploration explored 100000 steps with 19556 reset in 52 ms.
Product exploration explored 100000 steps with 19555 reset in 56 ms.
Applying partial POR strategy [true, false, false]
Stuttering acceptance computed with spot in 118 ms :[(NOT p0), (NOT p0), (NOT p0)]
Support contains 4 out of 16 places. Attempting structural reductions.
Starting structural reductions in SI_LTL mode, iteration 0 : 16/16 places, 16/16 transitions.
Applied a total of 0 rules in 1 ms. Remains 16 /16 variables (removed 0) and now considering 16/16 (removed 0) transitions.
[2024-05-21 19:47:01] [INFO ] Redundant transitions in 0 ms returned []
Running 12 sub problems to find dead transitions.
[2024-05-21 19:47:01] [INFO ] Invariant cache hit.
At refinement iteration 0 (INCLUDED_ONLY) 0/14 variables, 2/2 constraints. Problems are: Problem set: 0 solved, 12 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/14 variables, 0/2 constraints. Problems are: Problem set: 0 solved, 12 unsolved
At refinement iteration 2 (OVERLAPS) 2/16 variables, 2/4 constraints. Problems are: Problem set: 0 solved, 12 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/16 variables, 0/4 constraints. Problems are: Problem set: 0 solved, 12 unsolved
At refinement iteration 4 (OVERLAPS) 16/32 variables, 16/20 constraints. Problems are: Problem set: 0 solved, 12 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/32 variables, 0/20 constraints. Problems are: Problem set: 0 solved, 12 unsolved
At refinement iteration 6 (OVERLAPS) 0/32 variables, 0/20 constraints. Problems are: Problem set: 0 solved, 12 unsolved
No progress, stopping.
After SMT solving in domain Real declared 32/32 variables, and 20 constraints, problems are : Problem set: 0 solved, 12 unsolved in 84 ms.
Refiners :[Positive P Invariants (semi-flows): 4/4 constraints, State Equation: 16/16 constraints, PredecessorRefiner: 12/12 constraints, Known Traps: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 12 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/14 variables, 2/2 constraints. Problems are: Problem set: 0 solved, 12 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/14 variables, 0/2 constraints. Problems are: Problem set: 0 solved, 12 unsolved
At refinement iteration 2 (OVERLAPS) 2/16 variables, 2/4 constraints. Problems are: Problem set: 0 solved, 12 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/16 variables, 0/4 constraints. Problems are: Problem set: 0 solved, 12 unsolved
At refinement iteration 4 (OVERLAPS) 16/32 variables, 16/20 constraints. Problems are: Problem set: 0 solved, 12 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/32 variables, 12/32 constraints. Problems are: Problem set: 0 solved, 12 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/32 variables, 0/32 constraints. Problems are: Problem set: 0 solved, 12 unsolved
At refinement iteration 7 (OVERLAPS) 0/32 variables, 0/32 constraints. Problems are: Problem set: 0 solved, 12 unsolved
No progress, stopping.
After SMT solving in domain Int declared 32/32 variables, and 32 constraints, problems are : Problem set: 0 solved, 12 unsolved in 82 ms.
Refiners :[Positive P Invariants (semi-flows): 4/4 constraints, State Equation: 16/16 constraints, PredecessorRefiner: 12/12 constraints, Known Traps: 0/0 constraints]
After SMT, in 172ms problems are : Problem set: 0 solved, 12 unsolved
Search for dead transitions found 0 dead transitions in 172ms
Finished structural reductions in SI_LTL mode , in 1 iterations and 177 ms. Remains : 16/16 places, 16/16 transitions.
Support contains 4 out of 16 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 16/16 places, 16/16 transitions.
Applied a total of 0 rules in 0 ms. Remains 16 /16 variables (removed 0) and now considering 16/16 (removed 0) transitions.
[2024-05-21 19:47:01] [INFO ] Invariant cache hit.
[2024-05-21 19:47:01] [INFO ] Implicit Places using invariants in 20 ms returned []
[2024-05-21 19:47:01] [INFO ] Invariant cache hit.
[2024-05-21 19:47:01] [INFO ] Implicit Places using invariants and state equation in 23 ms returned []
Implicit Place search using SMT with State Equation took 45 ms to find 0 implicit places.
Running 12 sub problems to find dead transitions.
[2024-05-21 19:47:01] [INFO ] Invariant cache hit.
At refinement iteration 0 (INCLUDED_ONLY) 0/14 variables, 2/2 constraints. Problems are: Problem set: 0 solved, 12 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/14 variables, 0/2 constraints. Problems are: Problem set: 0 solved, 12 unsolved
At refinement iteration 2 (OVERLAPS) 2/16 variables, 2/4 constraints. Problems are: Problem set: 0 solved, 12 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/16 variables, 0/4 constraints. Problems are: Problem set: 0 solved, 12 unsolved
At refinement iteration 4 (OVERLAPS) 16/32 variables, 16/20 constraints. Problems are: Problem set: 0 solved, 12 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/32 variables, 0/20 constraints. Problems are: Problem set: 0 solved, 12 unsolved
At refinement iteration 6 (OVERLAPS) 0/32 variables, 0/20 constraints. Problems are: Problem set: 0 solved, 12 unsolved
No progress, stopping.
After SMT solving in domain Real declared 32/32 variables, and 20 constraints, problems are : Problem set: 0 solved, 12 unsolved in 86 ms.
Refiners :[Positive P Invariants (semi-flows): 4/4 constraints, State Equation: 16/16 constraints, PredecessorRefiner: 12/12 constraints, Known Traps: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 12 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/14 variables, 2/2 constraints. Problems are: Problem set: 0 solved, 12 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/14 variables, 0/2 constraints. Problems are: Problem set: 0 solved, 12 unsolved
At refinement iteration 2 (OVERLAPS) 2/16 variables, 2/4 constraints. Problems are: Problem set: 0 solved, 12 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/16 variables, 0/4 constraints. Problems are: Problem set: 0 solved, 12 unsolved
At refinement iteration 4 (OVERLAPS) 16/32 variables, 16/20 constraints. Problems are: Problem set: 0 solved, 12 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/32 variables, 12/32 constraints. Problems are: Problem set: 0 solved, 12 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/32 variables, 0/32 constraints. Problems are: Problem set: 0 solved, 12 unsolved
At refinement iteration 7 (OVERLAPS) 0/32 variables, 0/32 constraints. Problems are: Problem set: 0 solved, 12 unsolved
No progress, stopping.
After SMT solving in domain Int declared 32/32 variables, and 32 constraints, problems are : Problem set: 0 solved, 12 unsolved in 91 ms.
Refiners :[Positive P Invariants (semi-flows): 4/4 constraints, State Equation: 16/16 constraints, PredecessorRefiner: 12/12 constraints, Known Traps: 0/0 constraints]
After SMT, in 183ms problems are : Problem set: 0 solved, 12 unsolved
Search for dead transitions found 0 dead transitions in 184ms
Finished structural reductions in LTL mode , in 1 iterations and 230 ms. Remains : 16/16 places, 16/16 transitions.
Treatment of property DatabaseWithMutex-COL-02-LTLCardinality-04 finished in 2737 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)))'
[2024-05-21 19:47:01] [INFO ] Flatten gal took : 7 ms
[2024-05-21 19:47:01] [INFO ] Export to MCC of 3 properties in file /home/mcc/execution/LTLCardinality.sr.xml took 2 ms.
[2024-05-21 19:47:01] [INFO ] Export to PNML in file /home/mcc/execution/model.sr.pnml of net with 38 places, 32 transitions and 88 arcs took 3 ms.
Total runtime 27265 ms.
There are residual formulas that ITS could not solve within timeout
----------------------------------------------------------------------
GreatSPN-meddly tool, MCC 2023
----------------------------------------------------------------------

Running DatabaseWithMutex-COL-02

IS_COLORED=
IS_NUPN=

LOADING PETRI NET FILE /home/mcc/execution/416/model.pnml (PNML) ...
PNML VERSION 2009, P/T NET.
COLOR CLASSES: 0
CONSTANTS: 0
PLACES: 38
TRANSITIONS: 32
COLOR VARS: 0
MEASURES: 0
LOADING TIME: [User 0.000s, Sys 0.001s]


SAVING FILE /home/mcc/execution/416/model (.net / .def) ...
EXPORT TIME: [User 0.000s, Sys 0.000s]


----------------------------------------------------------------------
GreatSPN/Meddly.
Copyright (C) 1987-2022, University of Torino, Italy.
website: https://github.com/greatspn/SOURCES

Based on MEDDLY version 0.16.0
Copyright (C) 2009, Iowa State University Research Foundation, Inc.
website: http://meddly.sourceforge.net

Process ID: 1694
MODEL NAME: /home/mcc/execution/416/model
38 places, 32 transitions.

Creating all event NSFs..
Creating all event NSFs..
Creating all event NSFs..
Creating all event NSFs..
Split: SplitSubtract
Start RS construction.
Split: SplitSubtract
Start RS construction.
Split: SplitSubtract
Start RS construction.
Building monolithic NSF...
FORMULA DatabaseWithMutex-COL-02-LTLCardinality-09 TRUE TECHNIQUES DECISION_DIAGRAMS PARALLEL_PROCESSING UNFOLDING_TO_PT USE_NUPN TOPOLOGICAL
FORMULA DatabaseWithMutex-COL-02-LTLCardinality-03 TRUE TECHNIQUES DECISION_DIAGRAMS PARALLEL_PROCESSING UNFOLDING_TO_PT USE_NUPN TOPOLOGICAL
FORMULA DatabaseWithMutex-COL-02-LTLCardinality-04 TRUE TECHNIQUES DECISION_DIAGRAMS PARALLEL_PROCESSING UNFOLDING_TO_PT USE_NUPN TOPOLOGICAL
Ok.
EXITCODE: 0
----------------------------------------------------------------------

BK_STOP 1716320822322

--------------------
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

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="DatabaseWithMutex-COL-02"
export BK_EXAMINATION="LTLCardinality"
export BK_TOOL="greatspnxred"
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 greatspnxred"
echo " Input is DatabaseWithMutex-COL-02, 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 r135-tall-171631130200003"
echo "====================================================================="
echo
echo "--------------------"
echo "preparation of the directory to be used:"

tar xzf /home/mcc/BenchKit/INPUTS/DatabaseWithMutex-COL-02.tgz
mv DatabaseWithMutex-COL-02 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 ;