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.r355-tall-171683758900492.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)
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=====================================================================
Generated by BenchKit 2-5568
Executing tool greatspnxred
Input is ShieldPPPs-PT-040B, examination is LTLFireability
Time confinement is 3600 seconds
Memory confinement is 16384 MBytes
Number of cores is 4
Run identifier is r355-tall-171683758900492
=====================================================================

--------------------
preparation of the directory to be used:
/home/mcc/execution
total 1.2M
-rw-r--r-- 1 mcc users 6.3K May 14 13:22 CTLCardinality.txt
-rw-r--r-- 1 mcc users 63K May 14 13:22 CTLCardinality.xml
-rw-r--r-- 1 mcc users 5.7K May 14 13:22 CTLFireability.txt
-rw-r--r-- 1 mcc users 54K May 14 13:22 CTLFireability.xml
-rw-r--r-- 1 mcc users 4.2K May 18 16:43 GenericPropertiesDefinition.xml
-rw-r--r-- 1 mcc users 6.5K May 18 16:43 GenericPropertiesVerdict.xml
-rw-r--r-- 1 mcc users 3.5K May 19 07:16 LTLCardinality.txt
-rw-r--r-- 1 mcc users 26K May 19 16:35 LTLCardinality.xml
-rw-r--r-- 1 mcc users 2.1K May 19 07:32 LTLFireability.txt
-rw-r--r-- 1 mcc users 17K May 19 19:10 LTLFireability.xml
-rw-r--r-- 1 mcc users 11K Apr 13 11:56 ReachabilityCardinality.txt
-rw-r--r-- 1 mcc users 106K Apr 13 11:56 ReachabilityCardinality.xml
-rw-r--r-- 1 mcc users 8.8K Apr 13 11:55 ReachabilityFireability.txt
-rw-r--r-- 1 mcc users 75K Apr 13 11:55 ReachabilityFireability.xml
-rw-r--r-- 1 mcc users 1.7K Apr 23 07:53 UpperBounds.txt
-rw-r--r-- 1 mcc users 3.7K Apr 23 07:53 UpperBounds.xml
-rw-r--r-- 1 mcc users 6 May 18 16:43 equiv_col
-rw-r--r-- 1 mcc users 5 May 18 16:43 instance
-rw-r--r-- 1 mcc users 6 May 18 16:43 iscolored
-rw-r--r-- 1 mcc users 708K May 18 16:43 model.pnml

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

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

The expected result is a vector of booleans
BOOL_VECTOR

here is the order used to build the result vector(from text file)
FORMULA_NAME ShieldPPPs-PT-040B-LTLFireability-00
FORMULA_NAME ShieldPPPs-PT-040B-LTLFireability-01
FORMULA_NAME ShieldPPPs-PT-040B-LTLFireability-02
FORMULA_NAME ShieldPPPs-PT-040B-LTLFireability-03
FORMULA_NAME ShieldPPPs-PT-040B-LTLFireability-04
FORMULA_NAME ShieldPPPs-PT-040B-LTLFireability-05
FORMULA_NAME ShieldPPPs-PT-040B-LTLFireability-06
FORMULA_NAME ShieldPPPs-PT-040B-LTLFireability-07
FORMULA_NAME ShieldPPPs-PT-040B-LTLFireability-08
FORMULA_NAME ShieldPPPs-PT-040B-LTLFireability-09
FORMULA_NAME ShieldPPPs-PT-040B-LTLFireability-10
FORMULA_NAME ShieldPPPs-PT-040B-LTLFireability-11
FORMULA_NAME ShieldPPPs-PT-040B-LTLFireability-12
FORMULA_NAME ShieldPPPs-PT-040B-LTLFireability-13
FORMULA_NAME ShieldPPPs-PT-040B-LTLFireability-14
FORMULA_NAME ShieldPPPs-PT-040B-LTLFireability-15

=== Now, execution of the tool begins

BK_START 1716987113116

Invoking MCC driver with
BK_TOOL=greatspnxred
BK_EXAMINATION=LTLFireability
BK_BIN_PATH=/home/mcc/BenchKit/bin/
BK_TIME_CONFINEMENT=3600
BK_INPUT=ShieldPPPs-PT-040B
BK_MEMORY_CONFINEMENT=16384
Applying reductions before tool greatspn
Invoking reducer
Running Version 202405141337
[2024-05-29 12:51:54] [INFO ] Running its-tools with arguments : [-pnfolder, /home/mcc/execution, -examination, LTLFireability, -timeout, 360, -rebuildPNML]
[2024-05-29 12:51:54] [INFO ] Parsing pnml file : /home/mcc/execution/model.pnml
[2024-05-29 12:51:54] [INFO ] Load time of PNML (sax parser for PT used): 188 ms
[2024-05-29 12:51:54] [INFO ] Transformed 2723 places.
[2024-05-29 12:51:54] [INFO ] Transformed 2523 transitions.
[2024-05-29 12:51:54] [INFO ] Found NUPN structural information;
[2024-05-29 12:51:54] [INFO ] Parsed PT model containing 2723 places and 2523 transitions and 6966 arcs in 410 ms.
Parsed 16 properties from file /home/mcc/execution/LTLFireability.xml in 14 ms.
Working with output stream class java.io.PrintStream
Initial state reduction rules removed 1 formulas.
FORMULA ShieldPPPs-PT-040B-LTLFireability-10 FALSE TECHNIQUES TOPOLOGICAL INITIAL_STATE
Support contains 44 out of 2723 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 2723/2723 places, 2523/2523 transitions.
Discarding 268 places :
Symmetric choice reduction at 0 with 268 rule applications. Total rules 268 place count 2455 transition count 2255
Iterating global reduction 0 with 268 rules applied. Total rules applied 536 place count 2455 transition count 2255
Discarding 1 places :
Symmetric choice reduction at 0 with 1 rule applications. Total rules 537 place count 2454 transition count 2254
Iterating global reduction 0 with 1 rules applied. Total rules applied 538 place count 2454 transition count 2254
Applied a total of 538 rules in 741 ms. Remains 2454 /2723 variables (removed 269) and now considering 2254/2523 (removed 269) transitions.
// Phase 1: matrix 2254 rows 2454 cols
[2024-05-29 12:51:55] [INFO ] Computed 441 invariants in 39 ms
[2024-05-29 12:51:56] [INFO ] Implicit Places using invariants in 1084 ms returned []
[2024-05-29 12:51:56] [INFO ] Invariant cache hit.
[2024-05-29 12:51:58] [INFO ] Implicit Places using invariants and state equation in 2064 ms returned []
Implicit Place search using SMT with State Equation took 3185 ms to find 0 implicit places.
Running 2253 sub problems to find dead transitions.
[2024-05-29 12:51:58] [INFO ] Invariant cache hit.
Solver is answering 'unknown', stopping.
After SMT solving in domain Real declared 2453/4708 variables, and 0 constraints, problems are : Problem set: 0 solved, 2253 unsolved in 30059 ms.
Refiners :[Positive P Invariants (semi-flows): 0/441 constraints, State Equation: 0/2454 constraints, PredecessorRefiner: 2253/2253 constraints, Known Traps: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 2253 unsolved
Error getting values : (error "ParserException while parsing response: (timeout
org.smtlib.IParser$ParserException: Unbalanced parentheses at end of input")
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 2453/4708 variables, and 0 constraints, problems are : Problem set: 0 solved, 2253 unsolved in 30036 ms.
Refiners :[Positive P Invariants (semi-flows): 0/441 constraints, State Equation: 0/2454 constraints, PredecessorRefiner: 0/2253 constraints, Known Traps: 0/0 constraints]
After SMT, in 60900ms problems are : Problem set: 0 solved, 2253 unsolved
Search for dead transitions found 0 dead transitions in 60947ms
Starting structural reductions in LTL mode, iteration 1 : 2454/2723 places, 2254/2523 transitions.
Finished structural reductions in LTL mode , in 1 iterations and 64920 ms. Remains : 2454/2723 places, 2254/2523 transitions.
Support contains 44 out of 2454 places after structural reductions.
[2024-05-29 12:53:00] [INFO ] Flatten gal took : 178 ms
[2024-05-29 12:53:00] [INFO ] Flatten gal took : 111 ms
[2024-05-29 12:53:00] [INFO ] Input system was already deterministic with 2254 transitions.
Support contains 41 out of 2454 places (down from 44) after GAL structural reductions.
RANDOM walk for 40000 steps (8 resets) in 2781 ms. (14 steps per ms) remains 7/29 properties
BEST_FIRST walk for 40004 steps (8 resets) in 129 ms. (307 steps per ms) remains 7/7 properties
BEST_FIRST walk for 40004 steps (8 resets) in 161 ms. (246 steps per ms) remains 7/7 properties
BEST_FIRST walk for 40004 steps (8 resets) in 141 ms. (281 steps per ms) remains 7/7 properties
BEST_FIRST walk for 40004 steps (8 resets) in 138 ms. (287 steps per ms) remains 7/7 properties
BEST_FIRST walk for 40004 steps (8 resets) in 156 ms. (254 steps per ms) remains 7/7 properties
BEST_FIRST walk for 40004 steps (8 resets) in 111 ms. (357 steps per ms) remains 7/7 properties
BEST_FIRST walk for 40004 steps (8 resets) in 118 ms. (336 steps per ms) remains 7/7 properties
[2024-05-29 12:53:01] [INFO ] Invariant cache hit.
All remaining problems are real, not stopping.
At refinement iteration 0 (INCLUDED_ONLY) 0/12 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 7 unsolved
At refinement iteration 1 (OVERLAPS) 159/171 variables, 15/15 constraints. Problems are: Problem set: 0 solved, 7 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/171 variables, 0/15 constraints. Problems are: Problem set: 0 solved, 7 unsolved
At refinement iteration 3 (OVERLAPS) 2283/2454 variables, 426/441 constraints. Problems are: Problem set: 0 solved, 7 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/2454 variables, 0/441 constraints. Problems are: Problem set: 0 solved, 7 unsolved
At refinement iteration 5 (OVERLAPS) 2254/4708 variables, 2454/2895 constraints. Problems are: Problem set: 0 solved, 7 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/4708 variables, 0/2895 constraints. Problems are: Problem set: 0 solved, 7 unsolved
At refinement iteration 7 (OVERLAPS) 0/4708 variables, 0/2895 constraints. Problems are: Problem set: 0 solved, 7 unsolved
No progress, stopping.
After SMT solving in domain Real declared 4708/4708 variables, and 2895 constraints, problems are : Problem set: 0 solved, 7 unsolved in 2092 ms.
Refiners :[Positive P Invariants (semi-flows): 441/441 constraints, State Equation: 2454/2454 constraints, PredecessorRefiner: 7/7 constraints, Known Traps: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 7 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/12 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 7 unsolved
At refinement iteration 1 (OVERLAPS) 159/171 variables, 15/15 constraints. Problems are: Problem set: 0 solved, 7 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/171 variables, 0/15 constraints. Problems are: Problem set: 0 solved, 7 unsolved
At refinement iteration 3 (OVERLAPS) 2283/2454 variables, 426/441 constraints. Problems are: Problem set: 0 solved, 7 unsolved
[2024-05-29 12:53:04] [INFO ] Deduced a trap composed of 30 places in 191 ms of which 29 ms to minimize.
[2024-05-29 12:53:04] [INFO ] Deduced a trap composed of 25 places in 147 ms of which 4 ms to minimize.
[2024-05-29 12:53:04] [INFO ] Deduced a trap composed of 34 places in 121 ms of which 3 ms to minimize.
[2024-05-29 12:53:04] [INFO ] Deduced a trap composed of 43 places in 113 ms of which 3 ms to minimize.
[2024-05-29 12:53:05] [INFO ] Deduced a trap composed of 40 places in 104 ms of which 2 ms to minimize.
[2024-05-29 12:53:05] [INFO ] Deduced a trap composed of 29 places in 100 ms of which 3 ms to minimize.
[2024-05-29 12:53:05] [INFO ] Deduced a trap composed of 45 places in 90 ms of which 2 ms to minimize.
[2024-05-29 12:53:05] [INFO ] Deduced a trap composed of 56 places in 72 ms of which 1 ms to minimize.
[2024-05-29 12:53:05] [INFO ] Deduced a trap composed of 58 places in 64 ms of which 1 ms to minimize.
[2024-05-29 12:53:05] [INFO ] Deduced a trap composed of 54 places in 50 ms of which 0 ms to minimize.
[2024-05-29 12:53:05] [INFO ] Deduced a trap composed of 49 places in 44 ms of which 1 ms to minimize.
At refinement iteration 4 (INCLUDED_ONLY) 0/2454 variables, 11/452 constraints. Problems are: Problem set: 0 solved, 7 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/2454 variables, 0/452 constraints. Problems are: Problem set: 0 solved, 7 unsolved
At refinement iteration 6 (OVERLAPS) 2254/4708 variables, 2454/2906 constraints. Problems are: Problem set: 0 solved, 7 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/4708 variables, 7/2913 constraints. Problems are: Problem set: 0 solved, 7 unsolved
[2024-05-29 12:53:07] [INFO ] Deduced a trap composed of 18 places in 307 ms of which 6 ms to minimize.
[2024-05-29 12:53:07] [INFO ] Deduced a trap composed of 28 places in 297 ms of which 6 ms to minimize.
[2024-05-29 12:53:08] [INFO ] Deduced a trap composed of 18 places in 299 ms of which 5 ms to minimize.
[2024-05-29 12:53:08] [INFO ] Deduced a trap composed of 22 places in 284 ms of which 5 ms to minimize.
[2024-05-29 12:53:08] [INFO ] Deduced a trap composed of 29 places in 273 ms of which 5 ms to minimize.
[2024-05-29 12:53:09] [INFO ] Deduced a trap composed of 29 places in 278 ms of which 5 ms to minimize.
SMT process timed out in 7329ms, After SMT, problems are : Problem set: 0 solved, 7 unsolved
Skipping Parikh replay, no witness traces provided.
Support contains 12 out of 2454 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 2454/2454 places, 2254/2254 transitions.
Drop transitions (Trivial Post-Agglo cleanup.) removed 277 transitions
Trivial Post-agglo rules discarded 277 transitions
Performed 277 trivial Post agglomeration. Transition count delta: 277
Iterating post reduction 0 with 277 rules applied. Total rules applied 277 place count 2454 transition count 1977
Reduce places removed 277 places and 0 transitions.
Iterating post reduction 1 with 277 rules applied. Total rules applied 554 place count 2177 transition count 1977
Performed 201 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 2 with 201 Pre rules applied. Total rules applied 554 place count 2177 transition count 1776
Deduced a syphon composed of 201 places in 4 ms
Reduce places removed 201 places and 0 transitions.
Iterating global reduction 2 with 402 rules applied. Total rules applied 956 place count 1976 transition count 1776
Discarding 10 places :
Symmetric choice reduction at 2 with 10 rule applications. Total rules 966 place count 1966 transition count 1766
Iterating global reduction 2 with 10 rules applied. Total rules applied 976 place count 1966 transition count 1766
Performed 6 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 2 with 6 Pre rules applied. Total rules applied 976 place count 1966 transition count 1760
Deduced a syphon composed of 6 places in 5 ms
Reduce places removed 6 places and 0 transitions.
Iterating global reduction 2 with 12 rules applied. Total rules applied 988 place count 1960 transition count 1760
Performed 710 Post agglomeration using F-continuation condition.Transition count delta: 710
Deduced a syphon composed of 710 places in 1 ms
Reduce places removed 710 places and 0 transitions.
Iterating global reduction 2 with 1420 rules applied. Total rules applied 2408 place count 1250 transition count 1050
Renaming transitions due to excessive name length > 1024 char.
Partial Free-agglomeration rule applied 352 times.
Drop transitions (Partial Free agglomeration) removed 352 transitions
Iterating global reduction 2 with 352 rules applied. Total rules applied 2760 place count 1250 transition count 1050
Reduce places removed 1 places and 1 transitions.
Iterating global reduction 2 with 1 rules applied. Total rules applied 2761 place count 1249 transition count 1049
Applied a total of 2761 rules in 780 ms. Remains 1249 /2454 variables (removed 1205) and now considering 1049/2254 (removed 1205) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 781 ms. Remains : 1249/2454 places, 1049/2254 transitions.
RANDOM walk for 39823 steps (8 resets) in 733 ms. (54 steps per ms) remains 0/7 properties
FORMULA ShieldPPPs-PT-040B-LTLFireability-11 FALSE TECHNIQUES REACHABILITY_KNOWLEDGE
Computed a total of 488 stabilizing places and 488 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' '!((F((p0||(p1 U p2)))||(X(G(p3))&&G(p1))))'
Support contains 4 out of 2454 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 2454/2454 places, 2254/2254 transitions.
Discarding 9 places :
Symmetric choice reduction at 0 with 9 rule applications. Total rules 9 place count 2445 transition count 2245
Iterating global reduction 0 with 9 rules applied. Total rules applied 18 place count 2445 transition count 2245
Applied a total of 18 rules in 283 ms. Remains 2445 /2454 variables (removed 9) and now considering 2245/2254 (removed 9) transitions.
// Phase 1: matrix 2245 rows 2445 cols
[2024-05-29 12:53:10] [INFO ] Computed 441 invariants in 16 ms
[2024-05-29 12:53:11] [INFO ] Implicit Places using invariants in 756 ms returned []
[2024-05-29 12:53:11] [INFO ] Invariant cache hit.
[2024-05-29 12:53:13] [INFO ] Implicit Places using invariants and state equation in 2224 ms returned []
Implicit Place search using SMT with State Equation took 2983 ms to find 0 implicit places.
Running 2244 sub problems to find dead transitions.
[2024-05-29 12:53:13] [INFO ] Invariant cache hit.
Solver is answering 'unknown', stopping.
After SMT solving in domain Real declared 2444/4690 variables, and 0 constraints, problems are : Problem set: 0 solved, 2244 unsolved in 30032 ms.
Refiners :[Positive P Invariants (semi-flows): 0/441 constraints, State Equation: 0/2445 constraints, PredecessorRefiner: 2244/2244 constraints, Known Traps: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 2244 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 2444/4690 variables, and 0 constraints, problems are : Problem set: 0 solved, 2244 unsolved in 30040 ms.
Refiners :[Positive P Invariants (semi-flows): 0/441 constraints, State Equation: 0/2445 constraints, PredecessorRefiner: 0/2244 constraints, Known Traps: 0/0 constraints]
After SMT, in 60722ms problems are : Problem set: 0 solved, 2244 unsolved
Search for dead transitions found 0 dead transitions in 60745ms
Starting structural reductions in LTL mode, iteration 1 : 2445/2454 places, 2245/2254 transitions.
Finished structural reductions in LTL mode , in 1 iterations and 64019 ms. Remains : 2445/2454 places, 2245/2254 transitions.
Stuttering acceptance computed with spot in 262 ms :[(OR (AND (NOT p0) (NOT p1) (NOT p2)) (AND (NOT p0) (NOT p2) (NOT p3))), (OR (AND (NOT p0) (NOT p1) (NOT p2)) (AND (NOT p0) (NOT p2) (NOT p3))), (AND (NOT p0) (NOT p2))]
Running random walk in product with property : ShieldPPPs-PT-040B-LTLFireability-00
Product exploration explored 100000 steps with 839 reset in 468 ms.
Product exploration explored 100000 steps with 845 reset in 428 ms.
Computed a total of 482 stabilizing places and 482 stable transitions
Computed a total of 482 stabilizing places and 482 stable transitions
Detected a total of 482/2445 stabilizing places and 482/2245 transitions leading to convergence knowledge of the form 'F(Gp|G!p)' for 3/4 atomic propositions.
Knowledge obtained : [(AND (NOT p0) (NOT p2) (NOT p1) (NOT p3)), (X (NOT p2)), (X (NOT p3)), (X (NOT (AND (NOT p0) (NOT p2) p1 p3))), (X (AND (NOT p0) (NOT p2))), (X (OR (AND (NOT p0) (NOT p2) (NOT p1)) (AND (NOT p0) (NOT p2) (NOT p3)))), (X (NOT p0)), (X (NOT p1)), (X (X (NOT p2))), (X (X (NOT p3))), (X (X (NOT (AND (NOT p0) (NOT p2) p1 p3)))), (X (X (AND (NOT p0) (NOT p2)))), (X (X (OR (AND (NOT p0) (NOT p2) (NOT p1)) (AND (NOT p0) (NOT p2) (NOT p3))))), (X (X (NOT p0))), (X (X (NOT p1))), (F (OR (G p0) (G (NOT p0)))), (F (OR (G p2) (G (NOT p2)))), (F (OR (G p1) (G (NOT p1))))]
False Knowledge obtained : []
Knowledge sufficient to adopt a stutter insensitive property.
Knowledge based reduction with 18 factoid took 472 ms. Reduced automaton from 3 states, 5 edges and 4 AP (stutter sensitive) to 5 states, 11 edges and 2 AP (stutter insensitive).
Stuttering acceptance computed with spot in 248 ms :[(AND (NOT p0) (NOT p2)), (AND (NOT p0) (NOT p2)), (AND (NOT p0) (NOT p2)), (AND (NOT p0) (NOT p2)), (AND (NOT p0) (NOT p2))]
RANDOM walk for 33572 steps (7 resets) in 395 ms. (84 steps per ms) remains 0/6 properties
Knowledge obtained : [(AND (NOT p0) (NOT p2) (NOT p1) (NOT p3)), (X (NOT p2)), (X (NOT p3)), (X (NOT (AND (NOT p0) (NOT p2) p1 p3))), (X (AND (NOT p0) (NOT p2))), (X (OR (AND (NOT p0) (NOT p2) (NOT p1)) (AND (NOT p0) (NOT p2) (NOT p3)))), (X (NOT p0)), (X (NOT p1)), (X (X (NOT p2))), (X (X (NOT p3))), (X (X (NOT (AND (NOT p0) (NOT p2) p1 p3)))), (X (X (AND (NOT p0) (NOT p2)))), (X (X (OR (AND (NOT p0) (NOT p2) (NOT p1)) (AND (NOT p0) (NOT p2) (NOT p3))))), (X (X (NOT p0))), (X (X (NOT p1))), (F (OR (G p0) (G (NOT p0)))), (F (OR (G p2) (G (NOT p2)))), (F (OR (G p1) (G (NOT p1))))]
False Knowledge obtained : [(F (NOT (OR (NOT p0) p2))), (F (NOT (OR p0 (NOT p2)))), (F p0), (F p2), (F (NOT (AND (NOT p0) (NOT p2)))), (F (NOT (OR (NOT p0) (NOT p2))))]
Knowledge based reduction with 18 factoid took 936 ms. Reduced automaton from 5 states, 11 edges and 2 AP (stutter insensitive) to 5 states, 11 edges and 2 AP (stutter insensitive).
Stuttering acceptance computed with spot in 213 ms :[(AND (NOT p0) (NOT p2)), (AND (NOT p0) (NOT p2)), (AND (NOT p0) (NOT p2)), (AND (NOT p0) (NOT p2)), (AND (NOT p0) (NOT p2))]
Stuttering acceptance computed with spot in 194 ms :[(AND (NOT p0) (NOT p2)), (AND (NOT p0) (NOT p2)), (AND (NOT p0) (NOT p2)), (AND (NOT p0) (NOT p2)), (AND (NOT p0) (NOT p2))]
[2024-05-29 12:54:18] [INFO ] Invariant cache hit.
[2024-05-29 12:54:20] [INFO ] [Real]Absence check using 441 positive place invariants in 736 ms returned sat
[2024-05-29 12:54:33] [INFO ] [Real]Absence check using state equation in 12852 ms returned unknown
Could not prove EG (AND (NOT p0) (NOT p2))
Support contains 2 out of 2445 places. Attempting structural reductions.
Property had overlarge support with respect to TGBA, discarding it for now.
Starting structural reductions in SI_LTL mode, iteration 0 : 2445/2445 places, 2245/2245 transitions.
Reduce places removed 1 places and 1 transitions.
Drop transitions (Trivial Post-Agglo cleanup.) removed 280 transitions
Trivial Post-agglo rules discarded 280 transitions
Performed 280 trivial Post agglomeration. Transition count delta: 280
Iterating post reduction 0 with 280 rules applied. Total rules applied 280 place count 2444 transition count 1964
Reduce places removed 280 places and 0 transitions.
Iterating post reduction 1 with 280 rules applied. Total rules applied 560 place count 2164 transition count 1964
Performed 199 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 2 with 199 Pre rules applied. Total rules applied 560 place count 2164 transition count 1765
Deduced a syphon composed of 199 places in 3 ms
Reduce places removed 199 places and 0 transitions.
Iterating global reduction 2 with 398 rules applied. Total rules applied 958 place count 1965 transition count 1765
Performed 716 Post agglomeration using F-continuation condition.Transition count delta: 716
Deduced a syphon composed of 716 places in 1 ms
Reduce places removed 716 places and 0 transitions.
Iterating global reduction 2 with 1432 rules applied. Total rules applied 2390 place count 1249 transition count 1049
Renaming transitions due to excessive name length > 1024 char.
Reduce places removed 2 places and 2 transitions.
Iterating global reduction 2 with 2 rules applied. Total rules applied 2392 place count 1247 transition count 1047
Applied a total of 2392 rules in 395 ms. Remains 1247 /2445 variables (removed 1198) and now considering 1047/2245 (removed 1198) transitions.
// Phase 1: matrix 1047 rows 1247 cols
[2024-05-29 12:54:33] [INFO ] Computed 441 invariants in 4 ms
[2024-05-29 12:54:33] [INFO ] Implicit Places using invariants in 559 ms returned []
[2024-05-29 12:54:33] [INFO ] Invariant cache hit.
[2024-05-29 12:54:35] [INFO ] Implicit Places using invariants and state equation in 1185 ms returned []
Implicit Place search using SMT with State Equation took 1748 ms to find 0 implicit places.
[2024-05-29 12:54:35] [INFO ] Redundant transitions in 80 ms returned []
Running 1042 sub problems to find dead transitions.
[2024-05-29 12:54:35] [INFO ] Invariant cache hit.
At refinement iteration 0 (INCLUDED_ONLY) 0/1244 variables, 420/420 constraints. Problems are: Problem set: 0 solved, 1042 unsolved
Error getting values : (error "ParserException while parsing response: ((s0 1.0)
(s1 0.0)
(s2 1.0)
(s3 0.0)
(s4 0.0)
(s5 1.0)
(s6 0.0)
(s7 1.0)
(s8 0.0)
(s9 0.0)
(s10 1.0)
(s11 0.0)
(s12 1.0)
(s13 0.0)
(s14 0.0)
(s15 1.0)
(s16 0.0)
(s17 1.0)
(s18 0.0)
(s19 1.0)
(s20 0.0)
(s21 0.0)
(s22 0.0)
(s23 0.0)
(s24 1.0)
(s25 1.0)
(s26 0.0)
(s27 0.0)
(s28 0.0)
(s29 1.0)
(s30 0.0)
(s31 0.0)
(s32 0.0)
(s33 1.0)
(s34 0.0)
(s35 0.0)
(s36 1.0)
(s37 0.0)
(s38 1.0)
(s39 0.0)
(s40 0.0)
(s41 1.0)
(s42 0.0)
(s43 1.0)
(s44 0.0)
(s45 0.0)
(s46 1.0)
(s47 0.0)
(s48 1.0)
(s49 0.0)
(s50 1.0)
(s51 0.0)
(s52 0.0)
(s53 0.0)
(s54 0.0)
(s55 1.0)
(s56 1.0)
(s57 0.0)
(s58 timeout
0.0) org.smtlib.IParser$ParserException: Unbalanced parentheses at end of input")
Solver is answering 'unknown', stopping.
After SMT solving in domain Real declared 1244/2294 variables, and 420 constraints, problems are : Problem set: 0 solved, 1042 unsolved in 30022 ms.
Refiners :[Positive P Invariants (semi-flows): 420/441 constraints, State Equation: 0/1247 constraints, PredecessorRefiner: 1042/1042 constraints, Known Traps: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 1042 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/1244 variables, 420/420 constraints. Problems are: Problem set: 0 solved, 1042 unsolved
[2024-05-29 12:55:19] [INFO ] Deduced a trap composed of 13 places in 29 ms of which 0 ms to minimize.
[2024-05-29 12:55:20] [INFO ] Deduced a trap composed of 28 places in 34 ms of which 1 ms to minimize.
[2024-05-29 12:55:20] [INFO ] Deduced a trap composed of 42 places in 39 ms of which 1 ms to minimize.
[2024-05-29 12:55:20] [INFO ] Deduced a trap composed of 56 places in 40 ms of which 1 ms to minimize.
[2024-05-29 12:55:21] [INFO ] Deduced a trap composed of 73 places in 43 ms of which 1 ms to minimize.
[2024-05-29 12:55:21] [INFO ] Deduced a trap composed of 85 places in 46 ms of which 1 ms to minimize.
At refinement iteration 1 (INCLUDED_ONLY) 0/1244 variables, 6/426 constraints. Problems are: Problem set: 0 solved, 1042 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 1244/2294 variables, and 426 constraints, problems are : Problem set: 0 solved, 1042 unsolved in 30031 ms.
Refiners :[Positive P Invariants (semi-flows): 420/441 constraints, State Equation: 0/1247 constraints, PredecessorRefiner: 0/1042 constraints, Known Traps: 6/6 constraints]
After SMT, in 60241ms problems are : Problem set: 0 solved, 1042 unsolved
Search for dead transitions found 0 dead transitions in 60253ms
Starting structural reductions in SI_LTL mode, iteration 1 : 1247/2445 places, 1047/2245 transitions.
Finished structural reductions in SI_LTL mode , in 1 iterations and 62485 ms. Remains : 1247/2445 places, 1047/2245 transitions.
Computed a total of 6 stabilizing places and 6 stable transitions
Computed a total of 6 stabilizing places and 6 stable transitions
Detected a total of 6/1247 stabilizing places and 6/1047 transitions leading to convergence knowledge of the form 'F(Gp|G!p)' for 2/2 atomic propositions.
Knowledge obtained : [(AND (NOT p0) (NOT p2)), (X (NOT (AND p0 p2))), (F (OR (G p0) (G (NOT p0)))), (F (OR (G p2) (G (NOT p2))))]
False Knowledge obtained : [(X p2), (X (NOT p2)), (X (AND (NOT p0) (NOT p2))), (X (NOT (AND (NOT p0) (NOT p2)))), (X (AND (NOT p0) p2)), (X (NOT (AND (NOT p0) p2))), (X (AND p0 (NOT p2))), (X (NOT (AND p0 (NOT p2)))), (X p0), (X (NOT p0)), (X (X p2)), (X (X (NOT p2))), (X (X (AND p0 p2))), (X (X (NOT (AND p0 p2)))), (X (X (AND (NOT p0) (NOT p2)))), (X (X (NOT (AND (NOT p0) (NOT p2))))), (X (X (AND (NOT p0) p2))), (X (X (NOT (AND (NOT p0) p2)))), (X (X (AND p0 (NOT p2)))), (X (X (NOT (AND p0 (NOT p2))))), (X (X p0)), (X (X (NOT p0)))]
Knowledge based reduction with 4 factoid took 890 ms. Reduced automaton from 5 states, 11 edges and 2 AP (stutter insensitive) to 5 states, 11 edges and 2 AP (stutter insensitive).
Stuttering acceptance computed with spot in 184 ms :[(AND (NOT p0) (NOT p2)), (AND (NOT p0) (NOT p2)), (AND (NOT p0) (NOT p2)), (AND (NOT p0) (NOT p2)), (AND (NOT p0) (NOT p2))]
RANDOM walk for 8122 steps (3 resets) in 88 ms. (91 steps per ms) remains 0/6 properties
Knowledge obtained : [(AND (NOT p0) (NOT p2)), (X (NOT (AND p0 p2))), (F (OR (G p0) (G (NOT p0)))), (F (OR (G p2) (G (NOT p2))))]
False Knowledge obtained : [(X p2), (X (NOT p2)), (X (AND (NOT p0) (NOT p2))), (X (NOT (AND (NOT p0) (NOT p2)))), (X (AND (NOT p0) p2)), (X (NOT (AND (NOT p0) p2))), (X (AND p0 (NOT p2))), (X (NOT (AND p0 (NOT p2)))), (X p0), (X (NOT p0)), (X (X p2)), (X (X (NOT p2))), (X (X (AND p0 p2))), (X (X (NOT (AND p0 p2)))), (X (X (AND (NOT p0) (NOT p2)))), (X (X (NOT (AND (NOT p0) (NOT p2))))), (X (X (AND (NOT p0) p2))), (X (X (NOT (AND (NOT p0) p2)))), (X (X (AND p0 (NOT p2)))), (X (X (NOT (AND p0 (NOT p2))))), (X (X p0)), (X (X (NOT p0))), (F (NOT (OR (NOT p0) p2))), (F (NOT (OR p0 (NOT p2)))), (F p0), (F p2), (F (NOT (AND (NOT p0) (NOT p2)))), (F (NOT (OR (NOT p0) (NOT p2))))]
Knowledge based reduction with 4 factoid took 1022 ms. Reduced automaton from 5 states, 11 edges and 2 AP (stutter insensitive) to 5 states, 11 edges and 2 AP (stutter insensitive).
Stuttering acceptance computed with spot in 161 ms :[(AND (NOT p0) (NOT p2)), (AND (NOT p0) (NOT p2)), (AND (NOT p0) (NOT p2)), (AND (NOT p0) (NOT p2)), (AND (NOT p0) (NOT p2))]
Stuttering acceptance computed with spot in 179 ms :[(AND (NOT p0) (NOT p2)), (AND (NOT p0) (NOT p2)), (AND (NOT p0) (NOT p2)), (AND (NOT p0) (NOT p2)), (AND (NOT p0) (NOT p2))]
[2024-05-29 12:55:38] [INFO ] Invariant cache hit.
[2024-05-29 12:55:39] [INFO ] [Real]Absence check using 441 positive place invariants in 248 ms returned sat
[2024-05-29 12:55:41] [INFO ] [Real]Absence check using state equation in 2822 ms returned sat
[2024-05-29 12:55:41] [INFO ] Solution in real domain found non-integer solution.
[2024-05-29 12:55:42] [INFO ] [Nat]Absence check using 441 positive place invariants in 236 ms returned sat
[2024-05-29 12:55:45] [INFO ] [Nat]Absence check using state equation in 3062 ms returned sat
[2024-05-29 12:55:46] [INFO ] Deduced a trap composed of 9 places in 39 ms of which 1 ms to minimize.
[2024-05-29 12:55:46] [INFO ] Deduced a trap composed of 7 places in 44 ms of which 1 ms to minimize.
[2024-05-29 12:55:46] [INFO ] Deduced a trap composed of 25 places in 43 ms of which 1 ms to minimize.
[2024-05-29 12:55:46] [INFO ] Trap strengthening (SAT) tested/added 4/3 trap constraints in 328 ms
[2024-05-29 12:55:46] [INFO ] Computed and/alt/rep : 1042/2037/1042 causal constraints (skipped 0 transitions) in 56 ms.
[2024-05-29 12:55:56] [INFO ] Added : 575 causal constraints over 115 iterations in 10633 ms. Result :unknown
Could not prove EG (AND (NOT p0) (NOT p2))
Stuttering acceptance computed with spot in 156 ms :[(AND (NOT p0) (NOT p2)), (AND (NOT p0) (NOT p2)), (AND (NOT p0) (NOT p2)), (AND (NOT p0) (NOT p2)), (AND (NOT p0) (NOT p2))]
Product exploration explored 100000 steps with 28256 reset in 672 ms.
Product exploration explored 100000 steps with 28375 reset in 812 ms.
Support contains 2 out of 1247 places. Attempting structural reductions.
Starting structural reductions in SI_LTL mode, iteration 0 : 1247/1247 places, 1047/1047 transitions.
Reduce places removed 1 places and 1 transitions.
Performed 1 Post agglomeration using F-continuation condition.Transition count delta: 1
Deduced a syphon composed of 1 places in 1 ms
Reduce places removed 1 places and 0 transitions.
Iterating global reduction 0 with 2 rules applied. Total rules applied 2 place count 1245 transition count 1045
Reduce places removed 1 places and 1 transitions.
Iterating global reduction 0 with 1 rules applied. Total rules applied 3 place count 1244 transition count 1044
Applied a total of 3 rules in 117 ms. Remains 1244 /1247 variables (removed 3) and now considering 1044/1047 (removed 3) transitions.
// Phase 1: matrix 1044 rows 1244 cols
[2024-05-29 12:55:58] [INFO ] Computed 441 invariants in 3 ms
[2024-05-29 12:55:59] [INFO ] Implicit Places using invariants in 677 ms returned []
[2024-05-29 12:55:59] [INFO ] Invariant cache hit.
[2024-05-29 12:56:00] [INFO ] Implicit Places using invariants and state equation in 1091 ms returned []
Implicit Place search using SMT with State Equation took 1771 ms to find 0 implicit places.
[2024-05-29 12:56:00] [INFO ] Redundant transitions in 12 ms returned []
Running 1040 sub problems to find dead transitions.
[2024-05-29 12:56:00] [INFO ] Invariant cache hit.
At refinement iteration 0 (INCLUDED_ONLY) 0/1242 variables, 421/421 constraints. Problems are: Problem set: 0 solved, 1040 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Real declared 1242/2288 variables, and 421 constraints, problems are : Problem set: 0 solved, 1040 unsolved in 30019 ms.
Refiners :[Positive P Invariants (semi-flows): 421/441 constraints, State Equation: 0/1244 constraints, PredecessorRefiner: 1040/1040 constraints, Known Traps: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 1040 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/1242 variables, 421/421 constraints. Problems are: Problem set: 0 solved, 1040 unsolved
[2024-05-29 12:56:45] [INFO ] Deduced a trap composed of 13 places in 33 ms of which 1 ms to minimize.
[2024-05-29 12:56:45] [INFO ] Deduced a trap composed of 28 places in 34 ms of which 1 ms to minimize.
[2024-05-29 12:56:45] [INFO ] Deduced a trap composed of 42 places in 35 ms of which 1 ms to minimize.
[2024-05-29 12:56:46] [INFO ] Deduced a trap composed of 56 places in 38 ms of which 0 ms to minimize.
[2024-05-29 12:56:46] [INFO ] Deduced a trap composed of 73 places in 41 ms of which 1 ms to minimize.
[2024-05-29 12:56:46] [INFO ] Deduced a trap composed of 85 places in 46 ms of which 1 ms to minimize.
At refinement iteration 1 (INCLUDED_ONLY) 0/1242 variables, 6/427 constraints. Problems are: Problem set: 0 solved, 1040 unsolved
(s33 0timeout
^^^^^^^^
(error "Invalid token: 0timeout")
Error getting values : (error "ParserException while parsing response: ((s0 0)
(s1 1)
(s2 0)
(s3 1)
(s4 0)
(s5 0)
(s6 1)
(s7 0)
(s8 1)
(s9 0)
(s10 0)
(s11 1)
(s12 0)
(s13 1)
(s14 0)
(s15 0)
(s16 1)
(s17 0)
(s18 1)
(s19 0)
(s20 0)
(s21 0)
(s22 1)
(s23 0)
(s24 1)
(s25 0)
(s26 0)
(s27 0)
(s28 1)
(s29 0)
(s30 0)
(s31 0)
(s32 1)
(s33 0timeout
org.smtlib.IParser$ParserException: Unbalanced parentheses at end of input")
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 1242/2288 variables, and 427 constraints, problems are : Problem set: 0 solved, 1040 unsolved in 30024 ms.
Refiners :[Positive P Invariants (semi-flows): 421/441 constraints, State Equation: 0/1244 constraints, PredecessorRefiner: 0/1040 constraints, Known Traps: 6/6 constraints]
After SMT, in 60195ms problems are : Problem set: 0 solved, 1040 unsolved
Search for dead transitions found 0 dead transitions in 60203ms
Starting structural reductions in SI_LTL mode, iteration 1 : 1244/1247 places, 1044/1047 transitions.
Finished structural reductions in SI_LTL mode , in 1 iterations and 62109 ms. Remains : 1244/1247 places, 1044/1047 transitions.
Treatment of property ShieldPPPs-PT-040B-LTLFireability-00 finished in 230431 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 1 out of 2454 places. Attempting structural reductions.
Starting structural reductions in SI_LTL mode, iteration 0 : 2454/2454 places, 2254/2254 transitions.
Reduce places removed 1 places and 1 transitions.
Drop transitions (Trivial Post-Agglo cleanup.) removed 282 transitions
Trivial Post-agglo rules discarded 282 transitions
Performed 282 trivial Post agglomeration. Transition count delta: 282
Iterating post reduction 0 with 282 rules applied. Total rules applied 282 place count 2453 transition count 1971
Reduce places removed 282 places and 0 transitions.
Iterating post reduction 1 with 282 rules applied. Total rules applied 564 place count 2171 transition count 1971
Performed 200 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 2 with 200 Pre rules applied. Total rules applied 564 place count 2171 transition count 1771
Deduced a syphon composed of 200 places in 4 ms
Reduce places removed 200 places and 0 transitions.
Iterating global reduction 2 with 400 rules applied. Total rules applied 964 place count 1971 transition count 1771
Discarding 11 places :
Symmetric choice reduction at 2 with 11 rule applications. Total rules 975 place count 1960 transition count 1760
Iterating global reduction 2 with 11 rules applied. Total rules applied 986 place count 1960 transition count 1760
Performed 6 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 2 with 6 Pre rules applied. Total rules applied 986 place count 1960 transition count 1754
Deduced a syphon composed of 6 places in 3 ms
Reduce places removed 6 places and 0 transitions.
Iterating global reduction 2 with 12 rules applied. Total rules applied 998 place count 1954 transition count 1754
Performed 711 Post agglomeration using F-continuation condition.Transition count delta: 711
Deduced a syphon composed of 711 places in 1 ms
Reduce places removed 711 places and 0 transitions.
Iterating global reduction 2 with 1422 rules applied. Total rules applied 2420 place count 1243 transition count 1043
Renaming transitions due to excessive name length > 1024 char.
Reduce places removed 2 places and 2 transitions.
Iterating global reduction 2 with 2 rules applied. Total rules applied 2422 place count 1241 transition count 1041
Applied a total of 2422 rules in 484 ms. Remains 1241 /2454 variables (removed 1213) and now considering 1041/2254 (removed 1213) transitions.
// Phase 1: matrix 1041 rows 1241 cols
[2024-05-29 12:57:01] [INFO ] Computed 441 invariants in 3 ms
[2024-05-29 12:57:01] [INFO ] Implicit Places using invariants in 614 ms returned []
[2024-05-29 12:57:01] [INFO ] Invariant cache hit.
[2024-05-29 12:57:03] [INFO ] Implicit Places using invariants and state equation in 1097 ms returned []
Implicit Place search using SMT with State Equation took 1715 ms to find 0 implicit places.
[2024-05-29 12:57:03] [INFO ] Redundant transitions in 40 ms returned []
Running 1039 sub problems to find dead transitions.
[2024-05-29 12:57:03] [INFO ] Invariant cache hit.
At refinement iteration 0 (INCLUDED_ONLY) 0/1241 variables, 441/441 constraints. Problems are: Problem set: 0 solved, 1039 unsolved
Error getting values : (error "ParserException while parsing response: (timeout
org.smtlib.IParser$ParserException: Unbalanced parentheses at end of input")
Solver is answering 'unknown', stopping.
After SMT solving in domain Real declared 1241/2282 variables, and 441 constraints, problems are : Problem set: 0 solved, 1039 unsolved in 30020 ms.
Refiners :[Positive P Invariants (semi-flows): 441/441 constraints, State Equation: 0/1241 constraints, PredecessorRefiner: 1039/1039 constraints, Known Traps: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 1039 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/1241 variables, 441/441 constraints. Problems are: Problem set: 0 solved, 1039 unsolved
[2024-05-29 12:57:49] [INFO ] Deduced a trap composed of 13 places in 28 ms of which 0 ms to minimize.
[2024-05-29 12:57:49] [INFO ] Deduced a trap composed of 28 places in 32 ms of which 1 ms to minimize.
[2024-05-29 12:57:49] [INFO ] Deduced a trap composed of 42 places in 36 ms of which 1 ms to minimize.
[2024-05-29 12:57:49] [INFO ] Deduced a trap composed of 56 places in 43 ms of which 0 ms to minimize.
[2024-05-29 12:57:50] [INFO ] Deduced a trap composed of 73 places in 49 ms of which 1 ms to minimize.
[2024-05-29 12:57:50] [INFO ] Deduced a trap composed of 85 places in 46 ms of which 1 ms to minimize.
[2024-05-29 12:57:50] [INFO ] Deduced a trap composed of 104 places in 58 ms of which 1 ms to minimize.
[2024-05-29 12:57:51] [INFO ] Deduced a trap composed of 113 places in 57 ms of which 2 ms to minimize.
[2024-05-29 12:57:51] [INFO ] Deduced a trap composed of 129 places in 61 ms of which 2 ms to minimize.
[2024-05-29 12:57:51] [INFO ] Deduced a trap composed of 144 places in 66 ms of which 1 ms to minimize.
[2024-05-29 12:57:51] [INFO ] Deduced a trap composed of 159 places in 70 ms of which 2 ms to minimize.
[2024-05-29 12:57:52] [INFO ] Deduced a trap composed of 173 places in 71 ms of which 2 ms to minimize.
[2024-05-29 12:57:52] [INFO ] Deduced a trap composed of 189 places in 73 ms of which 2 ms to minimize.
[2024-05-29 12:57:52] [INFO ] Deduced a trap composed of 201 places in 76 ms of which 2 ms to minimize.
[2024-05-29 12:57:53] [INFO ] Deduced a trap composed of 220 places in 80 ms of which 2 ms to minimize.
[2024-05-29 12:57:53] [INFO ] Deduced a trap composed of 238 places in 93 ms of which 2 ms to minimize.
[2024-05-29 12:57:53] [INFO ] Deduced a trap composed of 246 places in 95 ms of which 2 ms to minimize.
[2024-05-29 12:57:54] [INFO ] Deduced a trap composed of 260 places in 101 ms of which 2 ms to minimize.
[2024-05-29 12:57:54] [INFO ] Deduced a trap composed of 276 places in 110 ms of which 3 ms to minimize.
[2024-05-29 12:57:55] [INFO ] Deduced a trap composed of 291 places in 111 ms of which 2 ms to minimize.
At refinement iteration 1 (INCLUDED_ONLY) 0/1241 variables, 20/461 constraints. Problems are: Problem set: 0 solved, 1039 unsolved
Error getting values : (error "ParserException while parsing response: (timeout
org.smtlib.IParser$ParserException: Unbalanced parentheses at end of input")
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 1241/2282 variables, and 461 constraints, problems are : Problem set: 0 solved, 1039 unsolved in 30028 ms.
Refiners :[Positive P Invariants (semi-flows): 441/441 constraints, State Equation: 0/1241 constraints, PredecessorRefiner: 0/1039 constraints, Known Traps: 20/20 constraints]
After SMT, in 60219ms problems are : Problem set: 0 solved, 1039 unsolved
Search for dead transitions found 0 dead transitions in 60228ms
Starting structural reductions in SI_LTL mode, iteration 1 : 1241/2454 places, 1041/2254 transitions.
Finished structural reductions in SI_LTL mode , in 1 iterations and 62473 ms. Remains : 1241/2454 places, 1041/2254 transitions.
Stuttering acceptance computed with spot in 79 ms :[(NOT p0), (NOT p0)]
Running random walk in product with property : ShieldPPPs-PT-040B-LTLFireability-01
Stuttering criterion allowed to conclude after 2564 steps with 0 reset in 27 ms.
FORMULA ShieldPPPs-PT-040B-LTLFireability-01 FALSE TECHNIQUES STUTTER_TEST
Treatment of property ShieldPPPs-PT-040B-LTLFireability-01 finished in 62598 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||X(X(X(p1))))))))'
Support contains 6 out of 2454 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 2454/2454 places, 2254/2254 transitions.
Discarding 12 places :
Symmetric choice reduction at 0 with 12 rule applications. Total rules 12 place count 2442 transition count 2242
Iterating global reduction 0 with 12 rules applied. Total rules applied 24 place count 2442 transition count 2242
Applied a total of 24 rules in 272 ms. Remains 2442 /2454 variables (removed 12) and now considering 2242/2254 (removed 12) transitions.
// Phase 1: matrix 2242 rows 2442 cols
[2024-05-29 12:58:03] [INFO ] Computed 441 invariants in 24 ms
[2024-05-29 12:58:04] [INFO ] Implicit Places using invariants in 771 ms returned []
[2024-05-29 12:58:04] [INFO ] Invariant cache hit.
[2024-05-29 12:58:06] [INFO ] Implicit Places using invariants and state equation in 2191 ms returned []
Implicit Place search using SMT with State Equation took 2964 ms to find 0 implicit places.
Running 2241 sub problems to find dead transitions.
[2024-05-29 12:58:06] [INFO ] Invariant cache hit.
Solver is answering 'unknown', stopping.
After SMT solving in domain Real declared 2441/4684 variables, and 0 constraints, problems are : Problem set: 0 solved, 2241 unsolved in 30051 ms.
Refiners :[Positive P Invariants (semi-flows): 0/441 constraints, State Equation: 0/2442 constraints, PredecessorRefiner: 2241/2241 constraints, Known Traps: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 2241 unsolved
Error getting values : (error "ParserException while parsing response: ((s1 1)
(s2 1)
(s3 1)
(s4 1)
(s5 1)
(s6 1)
(s7 1)
(s8 1)
(s9 1)
(s10 1)
(s11 1)
(s12 1)
(s13 1)
(s14 1)
(s15 1)
(s16 1)
(s17 1)
(s18 1)
(s19 1)
(s20 1)
(s21 1)
(s22 1)
(s23 1)
(s24 1)
(s25 1)
(s26 1)
(s27 1)
(s28 1)
(s29 1)
(s30 1)
(s31 1)
(s32 1)
(s33 1)
(s34 1)
(s35 1)
(s36 1)
(s37 1)
(s38 1)
(s39 1)
(s40 1)
(s41 1)
(s42 1)
(s43 1)
(s44 1)
(s45 1)
(s46 1)
(s47 1)
(s48 1)
(s49 1)
(s50 1)
(s51 1)
(s52 1)
(s53 1)
(s54 1)
(s55 1)
(s56 1)
(s57 1)
(s58 1)
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1 org.smtlib.IParser$ParserException: Unbalanced parentheses at end of input")
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 2441/4684 variables, and 0 constraints, problems are : Problem set: 0 solved, 2241 unsolved in 30037 ms.
Refiners :[Positive P Invariants (semi-flows): 0/441 constraints, State Equation: 0/2442 constraints, PredecessorRefiner: 0/2241 constraints, Known Traps: 0/0 constraints]
After SMT, in 60595ms problems are : Problem set: 0 solved, 2241 unsolved
Search for dead transitions found 0 dead transitions in 60614ms
Starting structural reductions in LTL mode, iteration 1 : 2442/2454 places, 2242/2254 transitions.
Finished structural reductions in LTL mode , in 1 iterations and 63855 ms. Remains : 2442/2454 places, 2242/2254 transitions.
Stuttering acceptance computed with spot in 232 ms :[(AND (NOT p0) (NOT p1)), (AND (NOT p0) (NOT p1)), (AND (NOT p0) (NOT p1)), (NOT p1), (NOT p1), (NOT p1), true]
Running random walk in product with property : ShieldPPPs-PT-040B-LTLFireability-02
Product exploration explored 100000 steps with 65 reset in 707 ms.
Product exploration explored 100000 steps with 79 reset in 838 ms.
Computed a total of 479 stabilizing places and 479 stable transitions
Computed a total of 479 stabilizing places and 479 stable transitions
Knowledge obtained : [(AND p0 p1), (X (X p0))]
False Knowledge obtained : []
Knowledge based reduction with 2 factoid took 81 ms. Reduced automaton from 7 states, 8 edges and 2 AP (stutter sensitive) to 7 states, 8 edges and 2 AP (stutter sensitive).
Stuttering acceptance computed with spot in 201 ms :[(AND (NOT p0) (NOT p1)), (AND (NOT p0) (NOT p1)), (AND (NOT p0) (NOT p1)), (NOT p1), (NOT p1), (NOT p1), true]
RANDOM walk for 40000 steps (8 resets) in 424 ms. (94 steps per ms) remains 1/2 properties
BEST_FIRST walk for 40004 steps (8 resets) in 112 ms. (354 steps per ms) remains 1/1 properties
[2024-05-29 12:59:09] [INFO ] Invariant cache hit.
All remaining problems are real, not stopping.
At refinement iteration 0 (INCLUDED_ONLY) 0/2 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 1 (OVERLAPS) 52/54 variables, 4/4 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/54 variables, 0/4 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (OVERLAPS) 2388/2442 variables, 437/441 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/2442 variables, 0/441 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (OVERLAPS) 2242/4684 variables, 2442/2883 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/4684 variables, 0/2883 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (OVERLAPS) 0/4684 variables, 0/2883 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Real declared 4684/4684 variables, and 2883 constraints, problems are : Problem set: 0 solved, 1 unsolved in 976 ms.
Refiners :[Positive P Invariants (semi-flows): 441/441 constraints, State Equation: 2442/2442 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 1 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/2 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 1 (OVERLAPS) 52/54 variables, 4/4 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/54 variables, 0/4 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (OVERLAPS) 2388/2442 variables, 437/441 constraints. Problems are: Problem set: 0 solved, 1 unsolved
[2024-05-29 12:59:11] [INFO ] Deduced a trap composed of 39 places in 133 ms of which 3 ms to minimize.
[2024-05-29 12:59:11] [INFO ] Deduced a trap composed of 33 places in 106 ms of which 3 ms to minimize.
[2024-05-29 12:59:11] [INFO ] Deduced a trap composed of 34 places in 109 ms of which 2 ms to minimize.
[2024-05-29 12:59:11] [INFO ] Deduced a trap composed of 18 places in 103 ms of which 7 ms to minimize.
[2024-05-29 12:59:11] [INFO ] Deduced a trap composed of 27 places in 88 ms of which 2 ms to minimize.
[2024-05-29 12:59:11] [INFO ] Deduced a trap composed of 50 places in 79 ms of which 2 ms to minimize.
[2024-05-29 12:59:11] [INFO ] Deduced a trap composed of 20 places in 68 ms of which 1 ms to minimize.
[2024-05-29 12:59:11] [INFO ] Deduced a trap composed of 54 places in 60 ms of which 2 ms to minimize.
[2024-05-29 12:59:12] [INFO ] Deduced a trap composed of 74 places in 52 ms of which 1 ms to minimize.
At refinement iteration 4 (INCLUDED_ONLY) 0/2442 variables, 9/450 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/2442 variables, 0/450 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (OVERLAPS) 2242/4684 variables, 2442/2892 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/4684 variables, 1/2893 constraints. Problems are: Problem set: 0 solved, 1 unsolved
[2024-05-29 12:59:13] [INFO ] Deduced a trap composed of 39 places in 319 ms of which 5 ms to minimize.
[2024-05-29 12:59:13] [INFO ] Deduced a trap composed of 60 places in 274 ms of which 5 ms to minimize.
[2024-05-29 12:59:13] [INFO ] Deduced a trap composed of 44 places in 267 ms of which 5 ms to minimize.
[2024-05-29 12:59:13] [INFO ] Deduced a trap composed of 35 places in 268 ms of which 5 ms to minimize.
[2024-05-29 12:59:14] [INFO ] Deduced a trap composed of 56 places in 170 ms of which 3 ms to minimize.
[2024-05-29 12:59:14] [INFO ] Deduced a trap composed of 73 places in 170 ms of which 3 ms to minimize.
[2024-05-29 12:59:14] [INFO ] Deduced a trap composed of 57 places in 161 ms of which 3 ms to minimize.
[2024-05-29 12:59:14] [INFO ] Deduced a trap composed of 81 places in 144 ms of which 3 ms to minimize.
[2024-05-29 12:59:15] [INFO ] Deduced a trap composed of 67 places in 110 ms of which 2 ms to minimize.
[2024-05-29 12:59:15] [INFO ] Deduced a trap composed of 66 places in 108 ms of which 2 ms to minimize.
[2024-05-29 12:59:15] [INFO ] Deduced a trap composed of 92 places in 122 ms of which 2 ms to minimize.
[2024-05-29 12:59:15] [INFO ] Deduced a trap composed of 54 places in 105 ms of which 2 ms to minimize.
At refinement iteration 8 (INCLUDED_ONLY) 0/4684 variables, 12/2905 constraints. Problems are: Problem set: 0 solved, 1 unsolved
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(s1288 1)
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(s1301 1)
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(s1312 1)
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(s1318 1)
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(s1320 1)
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(s1324 1)
(s1325 0)
(s1326 0)
(s1327 1)
(s1328 1)
(s1329 0)
(s1330 0)
(s1331 0)
(s1332 0)
(s1333 0)
(s1334 0)
(s1335 0)
(s1336 0)
(s1337 0)
(s1338 0)
(s1339 0)
(s1340 0)
(s1341 0)
(s1342 1)
(s1343 1)
(s1344 0)
(s1345 0)
(s1346 0)
(s1347 1)
(s1348 0)
(s1349 0)
(s1350 0)
(s1351 0)
(s1352 0)
(s1353 0)
(s1354 0)
(s1355 0)
(s1356 1)
(s1357 0)
(s1358 0)
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(s1363 0)
(s1364 0)
(s1365 0)
(s1366 0)timeout
org.smtlib.IParser$ParserException: Unbalanced parentheses at end of input")
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 4684/4684 variables, and 2905 constraints, problems are : Problem set: 0 solved, 1 unsolved in 5011 ms.
Refiners :[Positive P Invariants (semi-flows): 441/441 constraints, State Equation: 2442/2442 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 21/21 constraints]
After SMT, in 6004ms problems are : Problem set: 0 solved, 1 unsolved
Skipping Parikh replay, no witness traces provided.
Support contains 2 out of 2442 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 2442/2442 places, 2242/2242 transitions.
Drop transitions (Trivial Post-Agglo cleanup.) removed 280 transitions
Trivial Post-agglo rules discarded 280 transitions
Performed 280 trivial Post agglomeration. Transition count delta: 280
Iterating post reduction 0 with 280 rules applied. Total rules applied 280 place count 2442 transition count 1962
Reduce places removed 280 places and 0 transitions.
Iterating post reduction 1 with 280 rules applied. Total rules applied 560 place count 2162 transition count 1962
Performed 200 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 2 with 200 Pre rules applied. Total rules applied 560 place count 2162 transition count 1762
Deduced a syphon composed of 200 places in 3 ms
Reduce places removed 200 places and 0 transitions.
Iterating global reduction 2 with 400 rules applied. Total rules applied 960 place count 1962 transition count 1762
Performed 719 Post agglomeration using F-continuation condition.Transition count delta: 719
Deduced a syphon composed of 719 places in 1 ms
Reduce places removed 719 places and 0 transitions.
Iterating global reduction 2 with 1438 rules applied. Total rules applied 2398 place count 1243 transition count 1043
Renaming transitions due to excessive name length > 1024 char.
Partial Free-agglomeration rule applied 355 times.
Drop transitions (Partial Free agglomeration) removed 355 transitions
Iterating global reduction 2 with 355 rules applied. Total rules applied 2753 place count 1243 transition count 1043
Reduce places removed 1 places and 1 transitions.
Iterating global reduction 2 with 1 rules applied. Total rules applied 2754 place count 1242 transition count 1042
Applied a total of 2754 rules in 395 ms. Remains 1242 /2442 variables (removed 1200) and now considering 1042/2242 (removed 1200) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 408 ms. Remains : 1242/2442 places, 1042/2242 transitions.
RANDOM walk for 8272 steps (0 resets) in 150 ms. (54 steps per ms) remains 0/1 properties
Knowledge obtained : [(AND p0 p1), (X (X p0))]
False Knowledge obtained : [(F (NOT p0)), (F (NOT p1))]
Knowledge based reduction with 2 factoid took 172 ms. Reduced automaton from 7 states, 8 edges and 2 AP (stutter sensitive) to 7 states, 8 edges and 2 AP (stutter sensitive).
Stuttering acceptance computed with spot in 223 ms :[(AND (NOT p0) (NOT p1)), (AND (NOT p0) (NOT p1)), (AND (NOT p0) (NOT p1)), (NOT p1), (NOT p1), (NOT p1), true]
Stuttering acceptance computed with spot in 212 ms :[(AND (NOT p0) (NOT p1)), (AND (NOT p0) (NOT p1)), (AND (NOT p0) (NOT p1)), (NOT p1), (NOT p1), (NOT p1), true]
Support contains 6 out of 2442 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 2442/2442 places, 2242/2242 transitions.
Applied a total of 0 rules in 115 ms. Remains 2442 /2442 variables (removed 0) and now considering 2242/2242 (removed 0) transitions.
[2024-05-29 12:59:16] [INFO ] Invariant cache hit.
[2024-05-29 12:59:17] [INFO ] Implicit Places using invariants in 745 ms returned []
[2024-05-29 12:59:17] [INFO ] Invariant cache hit.
[2024-05-29 12:59:19] [INFO ] Implicit Places using invariants and state equation in 2218 ms returned []
Implicit Place search using SMT with State Equation took 2965 ms to find 0 implicit places.
Running 2241 sub problems to find dead transitions.
[2024-05-29 12:59:19] [INFO ] Invariant cache hit.
Error getting values : (error "ParserException while parsing response: ((s1 1.0)
(s2 1.0)
(s3 1.0)
(s4 1.0)
(s5 1.0)
(s6 1.0)
(s7 1.0)
(s8 1.0)
(s9 1.0)
(s10 1.0)
(s11 1.0)
(s12 1.0)
(s13 1.0)
(s14 1.0)
(s15 1.0)
(s16 1.0)
(s17 1.0)
(s18 1.0)
(s19 1.0)
(s20 1.0)
(s21 1.0)
(s22 1.0)
(s23 1.0)
(s24 1.0)
(s25 1.0)
(s26 1.0)
(s27 1.0)
(s28 1.0)
(s29 1.0)
(s30 1.0)
(s31 1.0)
(s32 1.0)
(s33 1.0)
(s34 1.0)
(s35 1.0)
(s36 1.0)
(s37 1.0)
(s38 1.0)
(s39 1.0)
(s40 1.0)
(s41 1.0)
(s42 1.0)
(s43 1.0)
(s44 1.0)
(s45 1.0)
(s46 1.0)
(s47 1.0)
(s48 1.0)
(s49 1.0)
(s50 1.0)
(s51 1.0)
(s52 1.0)
(s53 1.0)
(s54 1.0)
(s55 1.0)
(s56 1.0)
(s57 1.0)
(s58 1.0)
(s59 1.0)
(s60 1.0)
(s61 1.0)
(s62 1.0)
(s63 1.0)
(s64 1.0)
(s65 1.0)
(s66 1.0)
(s67 1.0)
(s68 1.0)
(s69 1.0)
(s70 1.0)
(s71 1.0)
(s72 1.0)
(s73 1.0)
(s74 1.0)
(s75 1.0)
(s76 1.0)
(s77 1.0)
(s78 1.0)
(s79 1.0)
(s80 1.0)
(s81 timeout
1.0) org.smtlib.IParser$ParserException: Unbalanced parentheses at end of input")
Solver is answering 'unknown', stopping.
After SMT solving in domain Real declared 2441/4684 variables, and 0 constraints, problems are : Problem set: 0 solved, 2241 unsolved in 30037 ms.
Refiners :[Positive P Invariants (semi-flows): 0/441 constraints, State Equation: 0/2442 constraints, PredecessorRefiner: 2241/2241 constraints, Known Traps: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 2241 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 2441/4684 variables, and 0 constraints, problems are : Problem set: 0 solved, 2241 unsolved in 30032 ms.
Refiners :[Positive P Invariants (semi-flows): 0/441 constraints, State Equation: 0/2442 constraints, PredecessorRefiner: 0/2241 constraints, Known Traps: 0/0 constraints]
After SMT, in 60578ms problems are : Problem set: 0 solved, 2241 unsolved
Search for dead transitions found 0 dead transitions in 60602ms
Finished structural reductions in LTL mode , in 1 iterations and 63687 ms. Remains : 2442/2442 places, 2242/2242 transitions.
Computed a total of 479 stabilizing places and 479 stable transitions
Computed a total of 479 stabilizing places and 479 stable transitions
Knowledge obtained : [(AND p0 p1), (X (X p0))]
False Knowledge obtained : []
Knowledge based reduction with 2 factoid took 71 ms. Reduced automaton from 7 states, 8 edges and 2 AP (stutter sensitive) to 7 states, 8 edges and 2 AP (stutter sensitive).
Stuttering acceptance computed with spot in 230 ms :[(AND (NOT p0) (NOT p1)), (AND (NOT p0) (NOT p1)), (AND (NOT p0) (NOT p1)), (NOT p1), (NOT p1), (NOT p1), true]
RANDOM walk for 40000 steps (8 resets) in 424 ms. (94 steps per ms) remains 1/2 properties
BEST_FIRST walk for 40004 steps (8 resets) in 47 ms. (833 steps per ms) remains 1/1 properties
[2024-05-29 13:00:20] [INFO ] Invariant cache hit.
All remaining problems are real, not stopping.
At refinement iteration 0 (INCLUDED_ONLY) 0/2 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 1 (OVERLAPS) 52/54 variables, 4/4 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/54 variables, 0/4 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (OVERLAPS) 2388/2442 variables, 437/441 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/2442 variables, 0/441 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (OVERLAPS) 2242/4684 variables, 2442/2883 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/4684 variables, 0/2883 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (OVERLAPS) 0/4684 variables, 0/2883 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Real declared 4684/4684 variables, and 2883 constraints, problems are : Problem set: 0 solved, 1 unsolved in 993 ms.
Refiners :[Positive P Invariants (semi-flows): 441/441 constraints, State Equation: 2442/2442 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 1 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/2 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 1 (OVERLAPS) 52/54 variables, 4/4 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/54 variables, 0/4 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (OVERLAPS) 2388/2442 variables, 437/441 constraints. Problems are: Problem set: 0 solved, 1 unsolved
[2024-05-29 13:00:22] [INFO ] Deduced a trap composed of 39 places in 126 ms of which 3 ms to minimize.
[2024-05-29 13:00:22] [INFO ] Deduced a trap composed of 33 places in 113 ms of which 2 ms to minimize.
[2024-05-29 13:00:22] [INFO ] Deduced a trap composed of 34 places in 101 ms of which 2 ms to minimize.
[2024-05-29 13:00:22] [INFO ] Deduced a trap composed of 18 places in 100 ms of which 3 ms to minimize.
[2024-05-29 13:00:23] [INFO ] Deduced a trap composed of 27 places in 84 ms of which 2 ms to minimize.
[2024-05-29 13:00:23] [INFO ] Deduced a trap composed of 50 places in 82 ms of which 1 ms to minimize.
[2024-05-29 13:00:23] [INFO ] Deduced a trap composed of 20 places in 71 ms of which 1 ms to minimize.
[2024-05-29 13:00:23] [INFO ] Deduced a trap composed of 54 places in 60 ms of which 2 ms to minimize.
[2024-05-29 13:00:23] [INFO ] Deduced a trap composed of 74 places in 54 ms of which 2 ms to minimize.
At refinement iteration 4 (INCLUDED_ONLY) 0/2442 variables, 9/450 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/2442 variables, 0/450 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (OVERLAPS) 2242/4684 variables, 2442/2892 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/4684 variables, 1/2893 constraints. Problems are: Problem set: 0 solved, 1 unsolved
[2024-05-29 13:00:24] [INFO ] Deduced a trap composed of 39 places in 308 ms of which 6 ms to minimize.
[2024-05-29 13:00:24] [INFO ] Deduced a trap composed of 60 places in 284 ms of which 5 ms to minimize.
[2024-05-29 13:00:25] [INFO ] Deduced a trap composed of 44 places in 280 ms of which 5 ms to minimize.
[2024-05-29 13:00:25] [INFO ] Deduced a trap composed of 35 places in 271 ms of which 5 ms to minimize.
[2024-05-29 13:00:25] [INFO ] Deduced a trap composed of 56 places in 178 ms of which 3 ms to minimize.
[2024-05-29 13:00:25] [INFO ] Deduced a trap composed of 73 places in 164 ms of which 3 ms to minimize.
[2024-05-29 13:00:26] [INFO ] Deduced a trap composed of 57 places in 167 ms of which 3 ms to minimize.
[2024-05-29 13:00:26] [INFO ] Deduced a trap composed of 81 places in 133 ms of which 3 ms to minimize.
[2024-05-29 13:00:26] [INFO ] Deduced a trap composed of 67 places in 112 ms of which 1 ms to minimize.
[2024-05-29 13:00:26] [INFO ] Deduced a trap composed of 66 places in 115 ms of which 2 ms to minimize.
[2024-05-29 13:00:26] [INFO ] Deduced a trap composed of 92 places in 140 ms of which 2 ms to minimize.
[2024-05-29 13:00:26] [INFO ] Deduced a trap composed of 54 places in 103 ms of which 2 ms to minimize.
Error getting values : (error "ParserException while parsing response: (timeout
org.smtlib.IParser$ParserException: Unbalanced parentheses at end of input")
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 4684/4684 variables, and 2905 constraints, problems are : Problem set: 0 solved, 1 unsolved in 5016 ms.
Refiners :[Positive P Invariants (semi-flows): 441/441 constraints, State Equation: 2442/2442 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 21/21 constraints]
After SMT, in 6021ms problems are : Problem set: 0 solved, 1 unsolved
Skipping Parikh replay, no witness traces provided.
Support contains 2 out of 2442 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 2442/2442 places, 2242/2242 transitions.
Drop transitions (Trivial Post-Agglo cleanup.) removed 280 transitions
Trivial Post-agglo rules discarded 280 transitions
Performed 280 trivial Post agglomeration. Transition count delta: 280
Iterating post reduction 0 with 280 rules applied. Total rules applied 280 place count 2442 transition count 1962
Reduce places removed 280 places and 0 transitions.
Iterating post reduction 1 with 280 rules applied. Total rules applied 560 place count 2162 transition count 1962
Performed 200 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 2 with 200 Pre rules applied. Total rules applied 560 place count 2162 transition count 1762
Deduced a syphon composed of 200 places in 3 ms
Reduce places removed 200 places and 0 transitions.
Iterating global reduction 2 with 400 rules applied. Total rules applied 960 place count 1962 transition count 1762
Performed 719 Post agglomeration using F-continuation condition.Transition count delta: 719
Deduced a syphon composed of 719 places in 1 ms
Reduce places removed 719 places and 0 transitions.
Iterating global reduction 2 with 1438 rules applied. Total rules applied 2398 place count 1243 transition count 1043
Renaming transitions due to excessive name length > 1024 char.
Partial Free-agglomeration rule applied 355 times.
Drop transitions (Partial Free agglomeration) removed 355 transitions
Iterating global reduction 2 with 355 rules applied. Total rules applied 2753 place count 1243 transition count 1043
Reduce places removed 1 places and 1 transitions.
Iterating global reduction 2 with 1 rules applied. Total rules applied 2754 place count 1242 transition count 1042
Applied a total of 2754 rules in 369 ms. Remains 1242 /2442 variables (removed 1200) and now considering 1042/2242 (removed 1200) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 369 ms. Remains : 1242/2442 places, 1042/2242 transitions.
RANDOM walk for 8626 steps (0 resets) in 139 ms. (61 steps per ms) remains 0/1 properties
Knowledge obtained : [(AND p0 p1), (X (X p0))]
False Knowledge obtained : [(F (NOT p0)), (F (NOT p1))]
Knowledge based reduction with 2 factoid took 130 ms. Reduced automaton from 7 states, 8 edges and 2 AP (stutter sensitive) to 7 states, 8 edges and 2 AP (stutter sensitive).
Stuttering acceptance computed with spot in 204 ms :[(AND (NOT p0) (NOT p1)), (AND (NOT p0) (NOT p1)), (AND (NOT p0) (NOT p1)), (NOT p1), (NOT p1), (NOT p1), true]
Stuttering acceptance computed with spot in 235 ms :[(AND (NOT p0) (NOT p1)), (AND (NOT p0) (NOT p1)), (AND (NOT p0) (NOT p1)), (NOT p1), (NOT p1), (NOT p1), true]
Stuttering acceptance computed with spot in 230 ms :[(AND (NOT p0) (NOT p1)), (AND (NOT p0) (NOT p1)), (AND (NOT p0) (NOT p1)), (NOT p1), (NOT p1), (NOT p1), true]
Product exploration explored 100000 steps with 89 reset in 656 ms.
Product exploration explored 100000 steps with 80 reset in 784 ms.
Applying partial POR strategy [false, false, false, false, false, true, true]
Stuttering acceptance computed with spot in 230 ms :[(AND (NOT p0) (NOT p1)), (AND (NOT p0) (NOT p1)), (AND (NOT p0) (NOT p1)), (NOT p1), (NOT p1), (NOT p1), true]
Support contains 6 out of 2442 places. Attempting structural reductions.
Starting structural reductions in SI_LTL mode, iteration 0 : 2442/2442 places, 2242/2242 transitions.
Performed 279 Post agglomeration using F-continuation condition.Transition count delta: 0
Iterating post reduction 0 with 279 rules applied. Total rules applied 279 place count 2442 transition count 2242
Performed 81 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 1 with 81 Pre rules applied. Total rules applied 279 place count 2442 transition count 2243
Deduced a syphon composed of 360 places in 4 ms
Iterating global reduction 1 with 81 rules applied. Total rules applied 360 place count 2442 transition count 2243
Performed 838 Post agglomeration using F-continuation condition.Transition count delta: 0
Deduced a syphon composed of 1198 places in 2 ms
Iterating global reduction 1 with 838 rules applied. Total rules applied 1198 place count 2442 transition count 2243
Renaming transitions due to excessive name length > 1024 char.
Discarding 282 places :
Symmetric choice reduction at 1 with 282 rule applications. Total rules 1480 place count 2160 transition count 1961
Deduced a syphon composed of 916 places in 2 ms
Iterating global reduction 1 with 282 rules applied. Total rules applied 1762 place count 2160 transition count 1961
Deduced a syphon composed of 916 places in 2 ms
Applied a total of 1762 rules in 1139 ms. Remains 2160 /2442 variables (removed 282) and now considering 1961/2242 (removed 281) transitions.
[2024-05-29 13:00:31] [INFO ] Redundant transitions in 42 ms returned []
Running 1960 sub problems to find dead transitions.
// Phase 1: matrix 1961 rows 2160 cols
[2024-05-29 13:00:31] [INFO ] Computed 441 invariants in 19 ms
Solver is answering 'unknown', stopping.
After SMT solving in domain Real declared 2159/4121 variables, and 0 constraints, problems are : Problem set: 0 solved, 1960 unsolved in 30047 ms.
Refiners :[Positive P Invariants (semi-flows): 0/441 constraints, State Equation: 0/2160 constraints, PredecessorRefiner: 1960/1960 constraints, Known Traps: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 1960 unsolved
Error getting values : (error "Error writing to Z3 solver: java.io.IOException: Broken pipe")
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 2159/4121 variables, and 0 constraints, problems are : Problem set: 0 solved, 1960 unsolved in 30025 ms.
Refiners :[Positive P Invariants (semi-flows): 0/441 constraints, State Equation: 0/2160 constraints, PredecessorRefiner: 0/1960 constraints, Known Traps: 0/0 constraints]
After SMT, in 61846ms problems are : Problem set: 0 solved, 1960 unsolved
Search for dead transitions found 0 dead transitions in 61862ms
Starting structural reductions in SI_LTL mode, iteration 1 : 2160/2442 places, 1961/2242 transitions.
Finished structural reductions in SI_LTL mode , in 1 iterations and 63098 ms. Remains : 2160/2442 places, 1961/2242 transitions.
Support contains 6 out of 2442 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 2442/2442 places, 2242/2242 transitions.
Applied a total of 0 rules in 95 ms. Remains 2442 /2442 variables (removed 0) and now considering 2242/2242 (removed 0) transitions.
// Phase 1: matrix 2242 rows 2442 cols
[2024-05-29 13:01:33] [INFO ] Computed 441 invariants in 12 ms
[2024-05-29 13:01:34] [INFO ] Implicit Places using invariants in 742 ms returned []
[2024-05-29 13:01:34] [INFO ] Invariant cache hit.
[2024-05-29 13:01:36] [INFO ] Implicit Places using invariants and state equation in 2288 ms returned []
Implicit Place search using SMT with State Equation took 3031 ms to find 0 implicit places.
Running 2241 sub problems to find dead transitions.
[2024-05-29 13:01:36] [INFO ] Invariant cache hit.
Solver is answering 'unknown', stopping.
After SMT solving in domain Real declared 2441/4684 variables, and 0 constraints, problems are : Problem set: 0 solved, 2241 unsolved in 30046 ms.
Refiners :[Positive P Invariants (semi-flows): 0/441 constraints, State Equation: 0/2442 constraints, PredecessorRefiner: 2241/2241 constraints, Known Traps: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 2241 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 2441/4684 variables, and 0 constraints, problems are : Problem set: 0 solved, 2241 unsolved in 30047 ms.
Refiners :[Positive P Invariants (semi-flows): 0/441 constraints, State Equation: 0/2442 constraints, PredecessorRefiner: 0/2241 constraints, Known Traps: 0/0 constraints]
After SMT, in 60584ms problems are : Problem set: 0 solved, 2241 unsolved
Search for dead transitions found 0 dead transitions in 60604ms
Finished structural reductions in LTL mode , in 1 iterations and 63736 ms. Remains : 2442/2442 places, 2242/2242 transitions.
Treatment of property ShieldPPPs-PT-040B-LTLFireability-02 finished in 273564 ms.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202405141337/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!(F(p0))'
Support contains 2 out of 2454 places. Attempting structural reductions.
Starting structural reductions in SI_LTL mode, iteration 0 : 2454/2454 places, 2254/2254 transitions.
Reduce places removed 1 places and 1 transitions.
Drop transitions (Trivial Post-Agglo cleanup.) removed 281 transitions
Trivial Post-agglo rules discarded 281 transitions
Performed 281 trivial Post agglomeration. Transition count delta: 281
Iterating post reduction 0 with 281 rules applied. Total rules applied 281 place count 2453 transition count 1972
Reduce places removed 281 places and 0 transitions.
Iterating post reduction 1 with 281 rules applied. Total rules applied 562 place count 2172 transition count 1972
Performed 201 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 2 with 201 Pre rules applied. Total rules applied 562 place count 2172 transition count 1771
Deduced a syphon composed of 201 places in 3 ms
Reduce places removed 201 places and 0 transitions.
Iterating global reduction 2 with 402 rules applied. Total rules applied 964 place count 1971 transition count 1771
Discarding 12 places :
Symmetric choice reduction at 2 with 12 rule applications. Total rules 976 place count 1959 transition count 1759
Iterating global reduction 2 with 12 rules applied. Total rules applied 988 place count 1959 transition count 1759
Performed 6 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 2 with 6 Pre rules applied. Total rules applied 988 place count 1959 transition count 1753
Deduced a syphon composed of 6 places in 3 ms
Reduce places removed 6 places and 0 transitions.
Iterating global reduction 2 with 12 rules applied. Total rules applied 1000 place count 1953 transition count 1753
Performed 710 Post agglomeration using F-continuation condition.Transition count delta: 710
Deduced a syphon composed of 710 places in 1 ms
Reduce places removed 710 places and 0 transitions.
Iterating global reduction 2 with 1420 rules applied. Total rules applied 2420 place count 1243 transition count 1043
Renaming transitions due to excessive name length > 1024 char.
Reduce places removed 2 places and 2 transitions.
Iterating global reduction 2 with 2 rules applied. Total rules applied 2422 place count 1241 transition count 1041
Applied a total of 2422 rules in 304 ms. Remains 1241 /2454 variables (removed 1213) and now considering 1041/2254 (removed 1213) transitions.
// Phase 1: matrix 1041 rows 1241 cols
[2024-05-29 13:02:37] [INFO ] Computed 441 invariants in 5 ms
[2024-05-29 13:02:37] [INFO ] Implicit Places using invariants in 501 ms returned []
[2024-05-29 13:02:37] [INFO ] Invariant cache hit.
[2024-05-29 13:02:38] [INFO ] Implicit Places using invariants and state equation in 1032 ms returned []
Implicit Place search using SMT with State Equation took 1535 ms to find 0 implicit places.
[2024-05-29 13:02:38] [INFO ] Redundant transitions in 14 ms returned []
Running 1038 sub problems to find dead transitions.
[2024-05-29 13:02:38] [INFO ] Invariant cache hit.
At refinement iteration 0 (INCLUDED_ONLY) 0/1240 variables, 436/436 constraints. Problems are: Problem set: 0 solved, 1038 unsolved
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(s513 0.0)
(s514 1.0)
(s515 0.0)
(s516 1.0)
(s517 0.0)
(s518 0.0)
(s519 0.0)
(s520 0.0)
(s521 1.0)
(s522 1.0)
(s523 0.0)
(s524 0.0)
(s525 0.0)
(s526 1.0)
(s527 0.0)
(s528 0.0)
(s529 0.0)
(s530 1.0)
(s531 0.0)
(s532 0.0)
(s533 1.0)
(s534 0.0)
(s535 1.0)
(s536 0.0)
(s537 0.0)
(s538 1.0)
(s539 0.0)
(s540 1.0)
(s541 0.0)
(s542 0.0)
(s543 1.0)
(s544 0.0)
(s545 1.0)
(s546 0.0)
(s547 1.0)
(s548 0.0)
(s549 0.0)
(s550 0.0)
(s551 0.0)
(s552 1.0)
(s553 1.0)
(s554 0.0)
(s555 0.0)
(s556 0.0)
(s557 1.0)
(s558 0.0)
(s559 0.0)
(s560 0.0)
(s561 1.0)
(s562 0.0)
(s563 0.0)
(s564 timeout
1.0)
( org.smtlib.IParser$ParserException: Unbalanced parentheses at end of input")
Solver is answering 'unknown', stopping.
After SMT solving in domain Real declared 1240/2282 variables, and 436 constraints, problems are : Problem set: 0 solved, 1038 unsolved in 30024 ms.
Refiners :[Positive P Invariants (semi-flows): 436/441 constraints, State Equation: 0/1241 constraints, PredecessorRefiner: 1038/1038 constraints, Known Traps: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 1038 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/1240 variables, 436/436 constraints. Problems are: Problem set: 0 solved, 1038 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/1240 variables, 0/436 constraints. Problems are: Problem set: 0 solved, 1038 unsolved
At refinement iteration 2 (OVERLAPS) 1/1241 variables, 5/441 constraints. Problems are: Problem set: 0 solved, 1038 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 1241/2282 variables, and 441 constraints, problems are : Problem set: 0 solved, 1038 unsolved in 30030 ms.
Refiners :[Positive P Invariants (semi-flows): 441/441 constraints, State Equation: 0/1241 constraints, PredecessorRefiner: 0/1038 constraints, Known Traps: 0/0 constraints]
After SMT, in 60207ms problems are : Problem set: 0 solved, 1038 unsolved
Search for dead transitions found 0 dead transitions in 60216ms
Starting structural reductions in SI_LTL mode, iteration 1 : 1241/2454 places, 1041/2254 transitions.
Finished structural reductions in SI_LTL mode , in 1 iterations and 62082 ms. Remains : 1241/2454 places, 1041/2254 transitions.
Stuttering acceptance computed with spot in 40 ms :[(NOT p0)]
Running random walk in product with property : ShieldPPPs-PT-040B-LTLFireability-03
Product exploration explored 100000 steps with 41 reset in 826 ms.
Product exploration explored 100000 steps with 42 reset in 997 ms.
Computed a total of 1 stabilizing places and 1 stable transitions
Computed a total of 1 stabilizing places and 1 stable transitions
Knowledge obtained : [(NOT p0), (X (NOT p0)), (X (X (NOT p0)))]
False Knowledge obtained : []
Knowledge based reduction with 3 factoid took 78 ms. Reduced automaton from 1 states, 1 edges and 1 AP (stutter insensitive) to 1 states, 1 edges and 1 AP (stutter insensitive).
Stuttering acceptance computed with spot in 28 ms :[(NOT p0)]
RANDOM walk for 9143 steps (0 resets) in 114 ms. (79 steps per ms) remains 0/1 properties
Knowledge obtained : [(NOT p0), (X (NOT p0)), (X (X (NOT p0)))]
False Knowledge obtained : [(F p0)]
Knowledge based reduction with 3 factoid took 171 ms. Reduced automaton from 1 states, 1 edges and 1 AP (stutter insensitive) to 1 states, 1 edges and 1 AP (stutter insensitive).
Stuttering acceptance computed with spot in 40 ms :[(NOT p0)]
Stuttering acceptance computed with spot in 35 ms :[(NOT p0)]
[2024-05-29 13:03:41] [INFO ] Invariant cache hit.
[2024-05-29 13:03:42] [INFO ] [Real]Absence check using 441 positive place invariants in 246 ms returned sat
[2024-05-29 13:03:44] [INFO ] [Real]Absence check using state equation in 2427 ms returned sat
[2024-05-29 13:03:44] [INFO ] Solution in real domain found non-integer solution.
[2024-05-29 13:03:45] [INFO ] [Nat]Absence check using 441 positive place invariants in 230 ms returned sat
[2024-05-29 13:03:48] [INFO ] [Nat]Absence check using state equation in 2663 ms returned sat
[2024-05-29 13:03:48] [INFO ] Deduced a trap composed of 28 places in 46 ms of which 1 ms to minimize.
[2024-05-29 13:03:48] [INFO ] Deduced a trap composed of 41 places in 47 ms of which 1 ms to minimize.
[2024-05-29 13:03:48] [INFO ] Deduced a trap composed of 35 places in 51 ms of which 1 ms to minimize.
[2024-05-29 13:03:48] [INFO ] Deduced a trap composed of 38 places in 50 ms of which 1 ms to minimize.
[2024-05-29 13:03:49] [INFO ] Deduced a trap composed of 22 places in 45 ms of which 1 ms to minimize.
[2024-05-29 13:03:49] [INFO ] Deduced a trap composed of 37 places in 42 ms of which 1 ms to minimize.
[2024-05-29 13:03:49] [INFO ] Deduced a trap composed of 25 places in 47 ms of which 1 ms to minimize.
[2024-05-29 13:03:49] [INFO ] Deduced a trap composed of 42 places in 52 ms of which 1 ms to minimize.
[2024-05-29 13:03:49] [INFO ] Deduced a trap composed of 31 places in 54 ms of which 1 ms to minimize.
[2024-05-29 13:03:49] [INFO ] Deduced a trap composed of 36 places in 64 ms of which 1 ms to minimize.
[2024-05-29 13:03:49] [INFO ] Deduced a trap composed of 25 places in 47 ms of which 0 ms to minimize.
[2024-05-29 13:03:49] [INFO ] Deduced a trap composed of 28 places in 37 ms of which 1 ms to minimize.
[2024-05-29 13:03:49] [INFO ] Deduced a trap composed of 17 places in 37 ms of which 1 ms to minimize.
[2024-05-29 13:03:49] [INFO ] Deduced a trap composed of 31 places in 46 ms of which 0 ms to minimize.
[2024-05-29 13:03:50] [INFO ] Deduced a trap composed of 22 places in 50 ms of which 1 ms to minimize.
[2024-05-29 13:03:50] [INFO ] Deduced a trap composed of 34 places in 49 ms of which 1 ms to minimize.
[2024-05-29 13:03:50] [INFO ] Deduced a trap composed of 31 places in 54 ms of which 1 ms to minimize.
[2024-05-29 13:03:50] [INFO ] Deduced a trap composed of 30 places in 52 ms of which 1 ms to minimize.
[2024-05-29 13:03:50] [INFO ] Trap strengthening (SAT) tested/added 19/18 trap constraints in 1931 ms
[2024-05-29 13:03:50] [INFO ] Computed and/alt/rep : 1038/1999/1038 causal constraints (skipped 0 transitions) in 53 ms.
Could not prove EG (NOT p0)
Support contains 2 out of 1241 places. Attempting structural reductions.
Starting structural reductions in SI_LTL mode, iteration 0 : 1241/1241 places, 1041/1041 transitions.
Applied a total of 0 rules in 29 ms. Remains 1241 /1241 variables (removed 0) and now considering 1041/1041 (removed 0) transitions.
[2024-05-29 13:03:59] [INFO ] Invariant cache hit.
[2024-05-29 13:04:00] [INFO ] Implicit Places using invariants in 543 ms returned []
[2024-05-29 13:04:00] [INFO ] Invariant cache hit.
[2024-05-29 13:04:01] [INFO ] Implicit Places using invariants and state equation in 1058 ms returned []
Implicit Place search using SMT with State Equation took 1604 ms to find 0 implicit places.
[2024-05-29 13:04:01] [INFO ] Redundant transitions in 14 ms returned []
Running 1038 sub problems to find dead transitions.
[2024-05-29 13:04:01] [INFO ] Invariant cache hit.
At refinement iteration 0 (INCLUDED_ONLY) 0/1240 variables, 436/436 constraints. Problems are: Problem set: 0 solved, 1038 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Real declared 1240/2282 variables, and 436 constraints, problems are : Problem set: 0 solved, 1038 unsolved in 30019 ms.
Refiners :[Positive P Invariants (semi-flows): 436/441 constraints, State Equation: 0/1241 constraints, PredecessorRefiner: 1038/1038 constraints, Known Traps: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 1038 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/1240 variables, 436/436 constraints. Problems are: Problem set: 0 solved, 1038 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/1240 variables, 0/436 constraints. Problems are: Problem set: 0 solved, 1038 unsolved
At refinement iteration 2 (OVERLAPS) 1/1241 variables, 5/441 constraints. Problems are: Problem set: 0 solved, 1038 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 1241/2282 variables, and 441 constraints, problems are : Problem set: 0 solved, 1038 unsolved in 30017 ms.
Refiners :[Positive P Invariants (semi-flows): 441/441 constraints, State Equation: 0/1241 constraints, PredecessorRefiner: 0/1038 constraints, Known Traps: 0/0 constraints]
After SMT, in 60191ms problems are : Problem set: 0 solved, 1038 unsolved
Search for dead transitions found 0 dead transitions in 60199ms
Finished structural reductions in SI_LTL mode , in 1 iterations and 61859 ms. Remains : 1241/1241 places, 1041/1041 transitions.
Computed a total of 1 stabilizing places and 1 stable transitions
Computed a total of 1 stabilizing places and 1 stable transitions
Knowledge obtained : [(NOT p0), (X (NOT p0)), (X (X (NOT p0)))]
False Knowledge obtained : []
Knowledge based reduction with 3 factoid took 67 ms. Reduced automaton from 1 states, 1 edges and 1 AP (stutter insensitive) to 1 states, 1 edges and 1 AP (stutter insensitive).
Stuttering acceptance computed with spot in 36 ms :[(NOT p0)]
RANDOM walk for 9617 steps (0 resets) in 89 ms. (106 steps per ms) remains 0/1 properties
Knowledge obtained : [(NOT p0), (X (NOT p0)), (X (X (NOT p0)))]
False Knowledge obtained : [(F p0)]
Knowledge based reduction with 3 factoid took 95 ms. Reduced automaton from 1 states, 1 edges and 1 AP (stutter insensitive) to 1 states, 1 edges and 1 AP (stutter insensitive).
Stuttering acceptance computed with spot in 41 ms :[(NOT p0)]
Stuttering acceptance computed with spot in 40 ms :[(NOT p0)]
[2024-05-29 13:05:02] [INFO ] Invariant cache hit.
[2024-05-29 13:05:03] [INFO ] [Real]Absence check using 441 positive place invariants in 242 ms returned sat
[2024-05-29 13:05:05] [INFO ] [Real]Absence check using state equation in 2458 ms returned sat
[2024-05-29 13:05:05] [INFO ] Solution in real domain found non-integer solution.
[2024-05-29 13:05:06] [INFO ] [Nat]Absence check using 441 positive place invariants in 232 ms returned sat
[2024-05-29 13:05:09] [INFO ] [Nat]Absence check using state equation in 2721 ms returned sat
[2024-05-29 13:05:09] [INFO ] Deduced a trap composed of 28 places in 50 ms of which 1 ms to minimize.
[2024-05-29 13:05:09] [INFO ] Deduced a trap composed of 41 places in 54 ms of which 0 ms to minimize.
[2024-05-29 13:05:09] [INFO ] Deduced a trap composed of 35 places in 48 ms of which 1 ms to minimize.
[2024-05-29 13:05:09] [INFO ] Deduced a trap composed of 38 places in 44 ms of which 1 ms to minimize.
[2024-05-29 13:05:09] [INFO ] Deduced a trap composed of 22 places in 41 ms of which 1 ms to minimize.
[2024-05-29 13:05:09] [INFO ] Deduced a trap composed of 37 places in 41 ms of which 1 ms to minimize.
[2024-05-29 13:05:10] [INFO ] Deduced a trap composed of 25 places in 40 ms of which 1 ms to minimize.
[2024-05-29 13:05:10] [INFO ] Deduced a trap composed of 42 places in 56 ms of which 1 ms to minimize.
[2024-05-29 13:05:10] [INFO ] Deduced a trap composed of 31 places in 66 ms of which 2 ms to minimize.
[2024-05-29 13:05:10] [INFO ] Deduced a trap composed of 36 places in 51 ms of which 1 ms to minimize.
[2024-05-29 13:05:10] [INFO ] Deduced a trap composed of 25 places in 37 ms of which 1 ms to minimize.
[2024-05-29 13:05:10] [INFO ] Deduced a trap composed of 28 places in 32 ms of which 1 ms to minimize.
[2024-05-29 13:05:10] [INFO ] Deduced a trap composed of 17 places in 43 ms of which 1 ms to minimize.
[2024-05-29 13:05:10] [INFO ] Deduced a trap composed of 31 places in 39 ms of which 1 ms to minimize.
[2024-05-29 13:05:10] [INFO ] Deduced a trap composed of 22 places in 48 ms of which 1 ms to minimize.
[2024-05-29 13:05:10] [INFO ] Deduced a trap composed of 34 places in 49 ms of which 0 ms to minimize.
[2024-05-29 13:05:10] [INFO ] Deduced a trap composed of 31 places in 50 ms of which 1 ms to minimize.
[2024-05-29 13:05:11] [INFO ] Deduced a trap composed of 30 places in 48 ms of which 1 ms to minimize.
[2024-05-29 13:05:11] [INFO ] Trap strengthening (SAT) tested/added 19/18 trap constraints in 1907 ms
[2024-05-29 13:05:11] [INFO ] Computed and/alt/rep : 1038/1999/1038 causal constraints (skipped 0 transitions) in 52 ms.
Could not prove EG (NOT p0)
Stuttering acceptance computed with spot in 42 ms :[(NOT p0)]
Product exploration explored 100000 steps with 41 reset in 832 ms.
Product exploration explored 100000 steps with 41 reset in 1018 ms.
Support contains 2 out of 1241 places. Attempting structural reductions.
Starting structural reductions in SI_LTL mode, iteration 0 : 1241/1241 places, 1041/1041 transitions.
Applied a total of 0 rules in 29 ms. Remains 1241 /1241 variables (removed 0) and now considering 1041/1041 (removed 0) transitions.
[2024-05-29 13:05:22] [INFO ] Invariant cache hit.
[2024-05-29 13:05:23] [INFO ] Implicit Places using invariants in 532 ms returned []
[2024-05-29 13:05:23] [INFO ] Invariant cache hit.
[2024-05-29 13:05:24] [INFO ] Implicit Places using invariants and state equation in 1097 ms returned []
Implicit Place search using SMT with State Equation took 1631 ms to find 0 implicit places.
[2024-05-29 13:05:24] [INFO ] Redundant transitions in 16 ms returned []
Running 1038 sub problems to find dead transitions.
[2024-05-29 13:05:24] [INFO ] Invariant cache hit.
At refinement iteration 0 (INCLUDED_ONLY) 0/1240 variables, 436/436 constraints. Problems are: Problem set: 0 solved, 1038 unsolved
Error getting values : (error "Error writing to Z3 solver: java.io.IOException: Broken pipe")
Solver is answering 'unknown', stopping.
After SMT solving in domain Real declared 1240/2282 variables, and 436 constraints, problems are : Problem set: 0 solved, 1038 unsolved in 30019 ms.
Refiners :[Positive P Invariants (semi-flows): 436/441 constraints, State Equation: 0/1241 constraints, PredecessorRefiner: 1038/1038 constraints, Known Traps: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 1038 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/1240 variables, 436/436 constraints. Problems are: Problem set: 0 solved, 1038 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/1240 variables, 0/436 constraints. Problems are: Problem set: 0 solved, 1038 unsolved
At refinement iteration 2 (OVERLAPS) 1/1241 variables, 5/441 constraints. Problems are: Problem set: 0 solved, 1038 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 1241/2282 variables, and 441 constraints, problems are : Problem set: 0 solved, 1038 unsolved in 30022 ms.
Refiners :[Positive P Invariants (semi-flows): 441/441 constraints, State Equation: 0/1241 constraints, PredecessorRefiner: 0/1038 constraints, Known Traps: 0/0 constraints]
After SMT, in 60198ms problems are : Problem set: 0 solved, 1038 unsolved
Search for dead transitions found 0 dead transitions in 60206ms
Finished structural reductions in SI_LTL mode , in 1 iterations and 61890 ms. Remains : 1241/1241 places, 1041/1041 transitions.
Treatment of property ShieldPPPs-PT-040B-LTLFireability-03 finished in 227446 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 2454 places. Attempting structural reductions.
Starting structural reductions in SI_LTL mode, iteration 0 : 2454/2454 places, 2254/2254 transitions.
Reduce places removed 1 places and 1 transitions.
Drop transitions (Trivial Post-Agglo cleanup.) removed 282 transitions
Trivial Post-agglo rules discarded 282 transitions
Performed 282 trivial Post agglomeration. Transition count delta: 282
Iterating post reduction 0 with 282 rules applied. Total rules applied 282 place count 2453 transition count 1971
Reduce places removed 282 places and 0 transitions.
Iterating post reduction 1 with 282 rules applied. Total rules applied 564 place count 2171 transition count 1971
Performed 200 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 2 with 200 Pre rules applied. Total rules applied 564 place count 2171 transition count 1771
Deduced a syphon composed of 200 places in 4 ms
Reduce places removed 200 places and 0 transitions.
Iterating global reduction 2 with 400 rules applied. Total rules applied 964 place count 1971 transition count 1771
Discarding 12 places :
Symmetric choice reduction at 2 with 12 rule applications. Total rules 976 place count 1959 transition count 1759
Iterating global reduction 2 with 12 rules applied. Total rules applied 988 place count 1959 transition count 1759
Performed 6 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 2 with 6 Pre rules applied. Total rules applied 988 place count 1959 transition count 1753
Deduced a syphon composed of 6 places in 3 ms
Reduce places removed 6 places and 0 transitions.
Iterating global reduction 2 with 12 rules applied. Total rules applied 1000 place count 1953 transition count 1753
Performed 710 Post agglomeration using F-continuation condition.Transition count delta: 710
Deduced a syphon composed of 710 places in 2 ms
Reduce places removed 710 places and 0 transitions.
Iterating global reduction 2 with 1420 rules applied. Total rules applied 2420 place count 1243 transition count 1043
Renaming transitions due to excessive name length > 1024 char.
Reduce places removed 2 places and 2 transitions.
Iterating global reduction 2 with 2 rules applied. Total rules applied 2422 place count 1241 transition count 1041
Applied a total of 2422 rules in 308 ms. Remains 1241 /2454 variables (removed 1213) and now considering 1041/2254 (removed 1213) transitions.
// Phase 1: matrix 1041 rows 1241 cols
[2024-05-29 13:06:24] [INFO ] Computed 441 invariants in 5 ms
[2024-05-29 13:06:25] [INFO ] Implicit Places using invariants in 536 ms returned []
[2024-05-29 13:06:25] [INFO ] Invariant cache hit.
[2024-05-29 13:06:26] [INFO ] Implicit Places using invariants and state equation in 1105 ms returned []
Implicit Place search using SMT with State Equation took 1643 ms to find 0 implicit places.
[2024-05-29 13:06:26] [INFO ] Redundant transitions in 15 ms returned []
Running 1039 sub problems to find dead transitions.
[2024-05-29 13:06:26] [INFO ] Invariant cache hit.
At refinement iteration 0 (INCLUDED_ONLY) 0/1241 variables, 441/441 constraints. Problems are: Problem set: 0 solved, 1039 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Real declared 1241/2282 variables, and 441 constraints, problems are : Problem set: 0 solved, 1039 unsolved in 30022 ms.
Refiners :[Positive P Invariants (semi-flows): 441/441 constraints, State Equation: 0/1241 constraints, PredecessorRefiner: 1039/1039 constraints, Known Traps: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 1039 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/1241 variables, 441/441 constraints. Problems are: Problem set: 0 solved, 1039 unsolved
[2024-05-29 13:07:11] [INFO ] Deduced a trap composed of 13 places in 31 ms of which 1 ms to minimize.
[2024-05-29 13:07:11] [INFO ] Deduced a trap composed of 28 places in 29 ms of which 0 ms to minimize.
[2024-05-29 13:07:11] [INFO ] Deduced a trap composed of 42 places in 35 ms of which 0 ms to minimize.
[2024-05-29 13:07:12] [INFO ] Deduced a trap composed of 56 places in 42 ms of which 1 ms to minimize.
[2024-05-29 13:07:12] [INFO ] Deduced a trap composed of 73 places in 42 ms of which 1 ms to minimize.
[2024-05-29 13:07:12] [INFO ] Deduced a trap composed of 85 places in 38 ms of which 0 ms to minimize.
[2024-05-29 13:07:12] [INFO ] Deduced a trap composed of 103 places in 50 ms of which 1 ms to minimize.
[2024-05-29 13:07:13] [INFO ] Deduced a trap composed of 113 places in 55 ms of which 1 ms to minimize.
[2024-05-29 13:07:13] [INFO ] Deduced a trap composed of 129 places in 57 ms of which 1 ms to minimize.
[2024-05-29 13:07:13] [INFO ] Deduced a trap composed of 144 places in 65 ms of which 1 ms to minimize.
[2024-05-29 13:07:13] [INFO ] Deduced a trap composed of 159 places in 61 ms of which 1 ms to minimize.
[2024-05-29 13:07:14] [INFO ] Deduced a trap composed of 175 places in 74 ms of which 2 ms to minimize.
[2024-05-29 13:07:14] [INFO ] Deduced a trap composed of 190 places in 74 ms of which 2 ms to minimize.
[2024-05-29 13:07:14] [INFO ] Deduced a trap composed of 206 places in 71 ms of which 2 ms to minimize.
[2024-05-29 13:07:15] [INFO ] Deduced a trap composed of 219 places in 81 ms of which 2 ms to minimize.
[2024-05-29 13:07:15] [INFO ] Deduced a trap composed of 232 places in 86 ms of which 1 ms to minimize.
[2024-05-29 13:07:15] [INFO ] Deduced a trap composed of 252 places in 92 ms of which 2 ms to minimize.
[2024-05-29 13:07:16] [INFO ] Deduced a trap composed of 267 places in 91 ms of which 2 ms to minimize.
[2024-05-29 13:07:16] [INFO ] Deduced a trap composed of 277 places in 100 ms of which 2 ms to minimize.
[2024-05-29 13:07:17] [INFO ] Deduced a trap composed of 293 places in 105 ms of which 3 ms to minimize.
At refinement iteration 1 (INCLUDED_ONLY) 0/1241 variables, 20/461 constraints. Problems are: Problem set: 0 solved, 1039 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 1241/2282 variables, and 461 constraints, problems are : Problem set: 0 solved, 1039 unsolved in 30018 ms.
Refiners :[Positive P Invariants (semi-flows): 441/441 constraints, State Equation: 0/1241 constraints, PredecessorRefiner: 0/1039 constraints, Known Traps: 20/20 constraints]
After SMT, in 60211ms problems are : Problem set: 0 solved, 1039 unsolved
Search for dead transitions found 0 dead transitions in 60222ms
Starting structural reductions in SI_LTL mode, iteration 1 : 1241/2454 places, 1041/2254 transitions.
Finished structural reductions in SI_LTL mode , in 1 iterations and 62196 ms. Remains : 1241/2454 places, 1041/2254 transitions.
Stuttering acceptance computed with spot in 48 ms :[(NOT p0)]
Running random walk in product with property : ShieldPPPs-PT-040B-LTLFireability-04
Stuttering criterion allowed to conclude after 2634 steps with 0 reset in 23 ms.
FORMULA ShieldPPPs-PT-040B-LTLFireability-04 FALSE TECHNIQUES STUTTER_TEST
Treatment of property ShieldPPPs-PT-040B-LTLFireability-04 finished in 62292 ms.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202405141337/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!(F(p0))'
Support contains 1 out of 2454 places. Attempting structural reductions.
Starting structural reductions in SI_LTL mode, iteration 0 : 2454/2454 places, 2254/2254 transitions.
Reduce places removed 1 places and 1 transitions.
Drop transitions (Trivial Post-Agglo cleanup.) removed 282 transitions
Trivial Post-agglo rules discarded 282 transitions
Performed 282 trivial Post agglomeration. Transition count delta: 282
Iterating post reduction 0 with 282 rules applied. Total rules applied 282 place count 2453 transition count 1971
Reduce places removed 282 places and 0 transitions.
Iterating post reduction 1 with 282 rules applied. Total rules applied 564 place count 2171 transition count 1971
Performed 200 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 2 with 200 Pre rules applied. Total rules applied 564 place count 2171 transition count 1771
Deduced a syphon composed of 200 places in 3 ms
Reduce places removed 200 places and 0 transitions.
Iterating global reduction 2 with 400 rules applied. Total rules applied 964 place count 1971 transition count 1771
Discarding 12 places :
Symmetric choice reduction at 2 with 12 rule applications. Total rules 976 place count 1959 transition count 1759
Iterating global reduction 2 with 12 rules applied. Total rules applied 988 place count 1959 transition count 1759
Performed 6 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 2 with 6 Pre rules applied. Total rules applied 988 place count 1959 transition count 1753
Deduced a syphon composed of 6 places in 3 ms
Reduce places removed 6 places and 0 transitions.
Iterating global reduction 2 with 12 rules applied. Total rules applied 1000 place count 1953 transition count 1753
Performed 711 Post agglomeration using F-continuation condition.Transition count delta: 711
Deduced a syphon composed of 711 places in 2 ms
Reduce places removed 711 places and 0 transitions.
Iterating global reduction 2 with 1422 rules applied. Total rules applied 2422 place count 1242 transition count 1042
Renaming transitions due to excessive name length > 1024 char.
Reduce places removed 2 places and 2 transitions.
Iterating global reduction 2 with 2 rules applied. Total rules applied 2424 place count 1240 transition count 1040
Applied a total of 2424 rules in 326 ms. Remains 1240 /2454 variables (removed 1214) and now considering 1040/2254 (removed 1214) transitions.
// Phase 1: matrix 1040 rows 1240 cols
[2024-05-29 13:07:27] [INFO ] Computed 441 invariants in 7 ms
[2024-05-29 13:07:27] [INFO ] Implicit Places using invariants in 529 ms returned []
[2024-05-29 13:07:27] [INFO ] Invariant cache hit.
[2024-05-29 13:07:28] [INFO ] Implicit Places using invariants and state equation in 1120 ms returned []
Implicit Place search using SMT with State Equation took 1650 ms to find 0 implicit places.
[2024-05-29 13:07:28] [INFO ] Redundant transitions in 15 ms returned []
Running 1038 sub problems to find dead transitions.
[2024-05-29 13:07:28] [INFO ] Invariant cache hit.
At refinement iteration 0 (INCLUDED_ONLY) 0/1240 variables, 441/441 constraints. Problems are: Problem set: 0 solved, 1038 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Real declared 1240/2280 variables, and 441 constraints, problems are : Problem set: 0 solved, 1038 unsolved in 30028 ms.
Refiners :[Positive P Invariants (semi-flows): 441/441 constraints, State Equation: 0/1240 constraints, PredecessorRefiner: 1038/1038 constraints, Known Traps: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 1038 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/1240 variables, 441/441 constraints. Problems are: Problem set: 0 solved, 1038 unsolved
[2024-05-29 13:08:16] [INFO ] Deduced a trap composed of 13 places in 35 ms of which 1 ms to minimize.
[2024-05-29 13:08:16] [INFO ] Deduced a trap composed of 28 places in 33 ms of which 1 ms to minimize.
[2024-05-29 13:08:16] [INFO ] Deduced a trap composed of 42 places in 34 ms of which 1 ms to minimize.
[2024-05-29 13:08:17] [INFO ] Deduced a trap composed of 56 places in 45 ms of which 1 ms to minimize.
[2024-05-29 13:08:17] [INFO ] Deduced a trap composed of 73 places in 41 ms of which 0 ms to minimize.
[2024-05-29 13:08:17] [INFO ] Deduced a trap composed of 85 places in 47 ms of which 0 ms to minimize.
[2024-05-29 13:08:17] [INFO ] Deduced a trap composed of 103 places in 53 ms of which 1 ms to minimize.
[2024-05-29 13:08:18] [INFO ] Deduced a trap composed of 113 places in 54 ms of which 1 ms to minimize.
[2024-05-29 13:08:18] [INFO ] Deduced a trap composed of 129 places in 60 ms of which 1 ms to minimize.
[2024-05-29 13:08:18] [INFO ] Deduced a trap composed of 144 places in 65 ms of which 2 ms to minimize.
[2024-05-29 13:08:19] [INFO ] Deduced a trap composed of 159 places in 67 ms of which 2 ms to minimize.
[2024-05-29 13:08:19] [INFO ] Deduced a trap composed of 175 places in 72 ms of which 2 ms to minimize.
[2024-05-29 13:08:19] [INFO ] Deduced a trap composed of 190 places in 76 ms of which 2 ms to minimize.
[2024-05-29 13:08:20] [INFO ] Deduced a trap composed of 206 places in 82 ms of which 2 ms to minimize.
[2024-05-29 13:08:20] [INFO ] Deduced a trap composed of 219 places in 82 ms of which 2 ms to minimize.
[2024-05-29 13:08:20] [INFO ] Deduced a trap composed of 232 places in 91 ms of which 2 ms to minimize.
[2024-05-29 13:08:21] [INFO ] Deduced a trap composed of 252 places in 85 ms of which 3 ms to minimize.
[2024-05-29 13:08:21] [INFO ] Deduced a trap composed of 267 places in 90 ms of which 2 ms to minimize.
[2024-05-29 13:08:22] [INFO ] Deduced a trap composed of 277 places in 105 ms of which 3 ms to minimize.
[2024-05-29 13:08:22] [INFO ] Deduced a trap composed of 293 places in 101 ms of which 2 ms to minimize.
At refinement iteration 1 (INCLUDED_ONLY) 0/1240 variables, 20/461 constraints. Problems are: Problem set: 0 solved, 1038 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 1240/2280 variables, and 461 constraints, problems are : Problem set: 0 solved, 1038 unsolved in 30027 ms.
Refiners :[Positive P Invariants (semi-flows): 441/441 constraints, State Equation: 0/1240 constraints, PredecessorRefiner: 0/1038 constraints, Known Traps: 20/20 constraints]
After SMT, in 60201ms problems are : Problem set: 0 solved, 1038 unsolved
Search for dead transitions found 0 dead transitions in 60209ms
Starting structural reductions in SI_LTL mode, iteration 1 : 1240/2454 places, 1040/2254 transitions.
Finished structural reductions in SI_LTL mode , in 1 iterations and 62212 ms. Remains : 1240/2454 places, 1040/2254 transitions.
Stuttering acceptance computed with spot in 46 ms :[(NOT p0)]
Running random walk in product with property : ShieldPPPs-PT-040B-LTLFireability-05
Product exploration explored 100000 steps with 87 reset in 871 ms.
Product exploration explored 100000 steps with 86 reset in 1054 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 (NOT p0)), (X (X (NOT p0)))]
False Knowledge obtained : []
Knowledge based reduction with 3 factoid took 62 ms. Reduced automaton from 1 states, 1 edges and 1 AP (stutter insensitive) to 1 states, 1 edges and 1 AP (stutter insensitive).
Stuttering acceptance computed with spot in 25 ms :[(NOT p0)]
RANDOM walk for 4484 steps (0 resets) in 60 ms. (73 steps per ms) remains 0/1 properties
Knowledge obtained : [(NOT p0), (X (NOT p0)), (X (X (NOT p0)))]
False Knowledge obtained : [(F p0)]
Knowledge based reduction with 3 factoid took 93 ms. Reduced automaton from 1 states, 1 edges and 1 AP (stutter insensitive) to 1 states, 1 edges and 1 AP (stutter insensitive).
Stuttering acceptance computed with spot in 43 ms :[(NOT p0)]
Stuttering acceptance computed with spot in 41 ms :[(NOT p0)]
[2024-05-29 13:08:31] [INFO ] Invariant cache hit.
[2024-05-29 13:08:32] [INFO ] [Real]Absence check using 441 positive place invariants in 262 ms returned sat
[2024-05-29 13:08:34] [INFO ] [Real]Absence check using state equation in 2554 ms returned sat
[2024-05-29 13:08:34] [INFO ] Solution in real domain found non-integer solution.
[2024-05-29 13:08:35] [INFO ] [Nat]Absence check using 441 positive place invariants in 234 ms returned sat
[2024-05-29 13:08:38] [INFO ] [Nat]Absence check using state equation in 2618 ms returned sat
[2024-05-29 13:08:38] [INFO ] Deduced a trap composed of 22 places in 37 ms of which 1 ms to minimize.
[2024-05-29 13:08:38] [INFO ] Trap strengthening (SAT) tested/added 2/1 trap constraints in 142 ms
[2024-05-29 13:08:38] [INFO ] Computed and/alt/rep : 1038/1993/1038 causal constraints (skipped 0 transitions) in 58 ms.
[2024-05-29 13:08:49] [INFO ] Added : 595 causal constraints over 119 iterations in 11292 ms. Result :unknown
Could not prove EG (NOT p0)
Support contains 1 out of 1240 places. Attempting structural reductions.
Starting structural reductions in SI_LTL mode, iteration 0 : 1240/1240 places, 1040/1040 transitions.
Applied a total of 0 rules in 33 ms. Remains 1240 /1240 variables (removed 0) and now considering 1040/1040 (removed 0) transitions.
[2024-05-29 13:08:49] [INFO ] Invariant cache hit.
[2024-05-29 13:08:50] [INFO ] Implicit Places using invariants in 500 ms returned []
[2024-05-29 13:08:50] [INFO ] Invariant cache hit.
[2024-05-29 13:08:51] [INFO ] Implicit Places using invariants and state equation in 1016 ms returned []
Implicit Place search using SMT with State Equation took 1520 ms to find 0 implicit places.
[2024-05-29 13:08:51] [INFO ] Redundant transitions in 15 ms returned []
Running 1038 sub problems to find dead transitions.
[2024-05-29 13:08:51] [INFO ] Invariant cache hit.
At refinement iteration 0 (INCLUDED_ONLY) 0/1240 variables, 441/441 constraints. Problems are: Problem set: 0 solved, 1038 unsolved
Error getting values : (error "ParserException while parsing response: ((s0 1.0)
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(s333 timeout
org.smtlib.IParser$ParserException: Unbalanced parentheses at end of input")
Solver is answering 'unknown', stopping.
After SMT solving in domain Real declared 1240/2280 variables, and 441 constraints, problems are : Problem set: 0 solved, 1038 unsolved in 30024 ms.
Refiners :[Positive P Invariants (semi-flows): 441/441 constraints, State Equation: 0/1240 constraints, PredecessorRefiner: 1038/1038 constraints, Known Traps: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 1038 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/1240 variables, 441/441 constraints. Problems are: Problem set: 0 solved, 1038 unsolved
[2024-05-29 13:09:37] [INFO ] Deduced a trap composed of 13 places in 23 ms of which 1 ms to minimize.
[2024-05-29 13:09:37] [INFO ] Deduced a trap composed of 28 places in 32 ms of which 1 ms to minimize.
[2024-05-29 13:09:37] [INFO ] Deduced a trap composed of 42 places in 36 ms of which 0 ms to minimize.
[2024-05-29 13:09:37] [INFO ] Deduced a trap composed of 56 places in 40 ms of which 1 ms to minimize.
[2024-05-29 13:09:38] [INFO ] Deduced a trap composed of 73 places in 44 ms of which 1 ms to minimize.
[2024-05-29 13:09:38] [INFO ] Deduced a trap composed of 85 places in 46 ms of which 0 ms to minimize.
[2024-05-29 13:09:38] [INFO ] Deduced a trap composed of 103 places in 52 ms of which 1 ms to minimize.
[2024-05-29 13:09:38] [INFO ] Deduced a trap composed of 113 places in 52 ms of which 1 ms to minimize.
[2024-05-29 13:09:39] [INFO ] Deduced a trap composed of 129 places in 58 ms of which 1 ms to minimize.
[2024-05-29 13:09:39] [INFO ] Deduced a trap composed of 144 places in 57 ms of which 1 ms to minimize.
[2024-05-29 13:09:39] [INFO ] Deduced a trap composed of 159 places in 71 ms of which 2 ms to minimize.
[2024-05-29 13:09:40] [INFO ] Deduced a trap composed of 175 places in 73 ms of which 2 ms to minimize.
[2024-05-29 13:09:40] [INFO ] Deduced a trap composed of 190 places in 71 ms of which 2 ms to minimize.
[2024-05-29 13:09:40] [INFO ] Deduced a trap composed of 206 places in 82 ms of which 2 ms to minimize.
[2024-05-29 13:09:41] [INFO ] Deduced a trap composed of 219 places in 86 ms of which 1 ms to minimize.
[2024-05-29 13:09:41] [INFO ] Deduced a trap composed of 232 places in 91 ms of which 2 ms to minimize.
[2024-05-29 13:09:41] [INFO ] Deduced a trap composed of 252 places in 90 ms of which 2 ms to minimize.
[2024-05-29 13:09:42] [INFO ] Deduced a trap composed of 267 places in 98 ms of which 2 ms to minimize.
[2024-05-29 13:09:42] [INFO ] Deduced a trap composed of 277 places in 100 ms of which 2 ms to minimize.
[2024-05-29 13:09:42] [INFO ] Deduced a trap composed of 293 places in 103 ms of which 2 ms to minimize.
At refinement iteration 1 (INCLUDED_ONLY) 0/1240 variables, 20/461 constraints. Problems are: Problem set: 0 solved, 1038 unsolved
Error getting values : (error "ParserException while parsing response: ((s0 0)
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org.smtlib.IParser$ParserException: Unbalanced parentheses at end of input")
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 1240/2280 variables, and 461 constraints, problems are : Problem set: 0 solved, 1038 unsolved in 30023 ms.
Refiners :[Positive P Invariants (semi-flows): 441/441 constraints, State Equation: 0/1240 constraints, PredecessorRefiner: 0/1038 constraints, Known Traps: 20/20 constraints]
After SMT, in 60189ms problems are : Problem set: 0 solved, 1038 unsolved
Search for dead transitions found 0 dead transitions in 60198ms
Finished structural reductions in SI_LTL mode , in 1 iterations and 61777 ms. Remains : 1240/1240 places, 1040/1040 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 (NOT p0)), (X (X (NOT p0)))]
False Knowledge obtained : []
Knowledge based reduction with 3 factoid took 64 ms. Reduced automaton from 1 states, 1 edges and 1 AP (stutter insensitive) to 1 states, 1 edges and 1 AP (stutter insensitive).
Stuttering acceptance computed with spot in 36 ms :[(NOT p0)]
RANDOM walk for 4522 steps (0 resets) in 57 ms. (77 steps per ms) remains 0/1 properties
Knowledge obtained : [(NOT p0), (X (NOT p0)), (X (X (NOT p0)))]
False Knowledge obtained : [(F p0)]
Knowledge based reduction with 3 factoid took 103 ms. Reduced automaton from 1 states, 1 edges and 1 AP (stutter insensitive) to 1 states, 1 edges and 1 AP (stutter insensitive).
Stuttering acceptance computed with spot in 27 ms :[(NOT p0)]
Stuttering acceptance computed with spot in 30 ms :[(NOT p0)]
[2024-05-29 13:09:51] [INFO ] Invariant cache hit.
[2024-05-29 13:09:52] [INFO ] [Real]Absence check using 441 positive place invariants in 243 ms returned sat
[2024-05-29 13:09:55] [INFO ] [Real]Absence check using state equation in 2454 ms returned sat
[2024-05-29 13:09:55] [INFO ] Solution in real domain found non-integer solution.
[2024-05-29 13:09:56] [INFO ] [Nat]Absence check using 441 positive place invariants in 229 ms returned sat
[2024-05-29 13:09:58] [INFO ] [Nat]Absence check using state equation in 2528 ms returned sat
[2024-05-29 13:09:58] [INFO ] Deduced a trap composed of 22 places in 41 ms of which 0 ms to minimize.
[2024-05-29 13:09:59] [INFO ] Trap strengthening (SAT) tested/added 2/1 trap constraints in 141 ms
[2024-05-29 13:09:59] [INFO ] Computed and/alt/rep : 1038/1993/1038 causal constraints (skipped 0 transitions) in 47 ms.
[2024-05-29 13:10:10] [INFO ] Added : 645 causal constraints over 129 iterations in 11411 ms. Result :unknown
Could not prove EG (NOT p0)
Stuttering acceptance computed with spot in 39 ms :[(NOT p0)]
Product exploration explored 100000 steps with 85 reset in 778 ms.
Product exploration explored 100000 steps with 87 reset in 938 ms.
Support contains 1 out of 1240 places. Attempting structural reductions.
Starting structural reductions in SI_LTL mode, iteration 0 : 1240/1240 places, 1040/1040 transitions.
Applied a total of 0 rules in 27 ms. Remains 1240 /1240 variables (removed 0) and now considering 1040/1040 (removed 0) transitions.
[2024-05-29 13:10:12] [INFO ] Invariant cache hit.
[2024-05-29 13:10:12] [INFO ] Implicit Places using invariants in 502 ms returned []
[2024-05-29 13:10:12] [INFO ] Invariant cache hit.
[2024-05-29 13:10:13] [INFO ] Implicit Places using invariants and state equation in 1047 ms returned []
Implicit Place search using SMT with State Equation took 1551 ms to find 0 implicit places.
[2024-05-29 13:10:13] [INFO ] Redundant transitions in 15 ms returned []
Running 1038 sub problems to find dead transitions.
[2024-05-29 13:10:13] [INFO ] Invariant cache hit.
At refinement iteration 0 (INCLUDED_ONLY) 0/1240 variables, 441/441 constraints. Problems are: Problem set: 0 solved, 1038 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Real declared 1240/2280 variables, and 441 constraints, problems are : Problem set: 0 solved, 1038 unsolved in 30023 ms.
Refiners :[Positive P Invariants (semi-flows): 441/441 constraints, State Equation: 0/1240 constraints, PredecessorRefiner: 1038/1038 constraints, Known Traps: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 1038 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/1240 variables, 441/441 constraints. Problems are: Problem set: 0 solved, 1038 unsolved
[2024-05-29 13:10:59] [INFO ] Deduced a trap composed of 13 places in 29 ms of which 1 ms to minimize.
[2024-05-29 13:11:00] [INFO ] Deduced a trap composed of 28 places in 36 ms of which 1 ms to minimize.
[2024-05-29 13:11:00] [INFO ] Deduced a trap composed of 42 places in 31 ms of which 1 ms to minimize.
[2024-05-29 13:11:00] [INFO ] Deduced a trap composed of 56 places in 39 ms of which 1 ms to minimize.
[2024-05-29 13:11:00] [INFO ] Deduced a trap composed of 73 places in 45 ms of which 1 ms to minimize.
[2024-05-29 13:11:01] [INFO ] Deduced a trap composed of 85 places in 49 ms of which 1 ms to minimize.
[2024-05-29 13:11:01] [INFO ] Deduced a trap composed of 103 places in 48 ms of which 1 ms to minimize.
[2024-05-29 13:11:01] [INFO ] Deduced a trap composed of 113 places in 51 ms of which 1 ms to minimize.
[2024-05-29 13:11:01] [INFO ] Deduced a trap composed of 129 places in 60 ms of which 1 ms to minimize.
[2024-05-29 13:11:02] [INFO ] Deduced a trap composed of 144 places in 55 ms of which 2 ms to minimize.
[2024-05-29 13:11:02] [INFO ] Deduced a trap composed of 159 places in 69 ms of which 1 ms to minimize.
[2024-05-29 13:11:02] [INFO ] Deduced a trap composed of 175 places in 78 ms of which 2 ms to minimize.
[2024-05-29 13:11:03] [INFO ] Deduced a trap composed of 190 places in 74 ms of which 2 ms to minimize.
[2024-05-29 13:11:03] [INFO ] Deduced a trap composed of 206 places in 84 ms of which 2 ms to minimize.
[2024-05-29 13:11:03] [INFO ] Deduced a trap composed of 219 places in 82 ms of which 2 ms to minimize.
[2024-05-29 13:11:04] [INFO ] Deduced a trap composed of 232 places in 89 ms of which 2 ms to minimize.
[2024-05-29 13:11:04] [INFO ] Deduced a trap composed of 252 places in 97 ms of which 2 ms to minimize.
[2024-05-29 13:11:04] [INFO ] Deduced a trap composed of 267 places in 94 ms of which 3 ms to minimize.
[2024-05-29 13:11:05] [INFO ] Deduced a trap composed of 277 places in 108 ms of which 3 ms to minimize.
[2024-05-29 13:11:05] [INFO ] Deduced a trap composed of 293 places in 105 ms of which 3 ms to minimize.
At refinement iteration 1 (INCLUDED_ONLY) 0/1240 variables, 20/461 constraints. Problems are: Problem set: 0 solved, 1038 unsolved
Error getting values : (error "ParserException while parsing response: ((s0 0)
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(s505 timeout
0 org.smtlib.IParser$ParserException: Unbalanced parentheses at end of input")
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 1240/2280 variables, and 461 constraints, problems are : Problem set: 0 solved, 1038 unsolved in 30021 ms.
Refiners :[Positive P Invariants (semi-flows): 441/441 constraints, State Equation: 0/1240 constraints, PredecessorRefiner: 0/1038 constraints, Known Traps: 20/20 constraints]
After SMT, in 60188ms problems are : Problem set: 0 solved, 1038 unsolved
Search for dead transitions found 0 dead transitions in 60196ms
Finished structural reductions in SI_LTL mode , in 1 iterations and 61800 ms. Remains : 1240/1240 places, 1040/1040 transitions.
Treatment of property ShieldPPPs-PT-040B-LTLFireability-05 finished in 227286 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)||G(F(p1)))))'
Support contains 4 out of 2454 places. Attempting structural reductions.
Starting structural reductions in SI_LTL mode, iteration 0 : 2454/2454 places, 2254/2254 transitions.
Reduce places removed 1 places and 1 transitions.
Drop transitions (Trivial Post-Agglo cleanup.) removed 281 transitions
Trivial Post-agglo rules discarded 281 transitions
Performed 281 trivial Post agglomeration. Transition count delta: 281
Iterating post reduction 0 with 281 rules applied. Total rules applied 281 place count 2453 transition count 1972
Reduce places removed 281 places and 0 transitions.
Iterating post reduction 1 with 281 rules applied. Total rules applied 562 place count 2172 transition count 1972
Performed 200 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 2 with 200 Pre rules applied. Total rules applied 562 place count 2172 transition count 1772
Deduced a syphon composed of 200 places in 4 ms
Reduce places removed 200 places and 0 transitions.
Iterating global reduction 2 with 400 rules applied. Total rules applied 962 place count 1972 transition count 1772
Discarding 12 places :
Symmetric choice reduction at 2 with 12 rule applications. Total rules 974 place count 1960 transition count 1760
Iterating global reduction 2 with 12 rules applied. Total rules applied 986 place count 1960 transition count 1760
Performed 6 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 2 with 6 Pre rules applied. Total rules applied 986 place count 1960 transition count 1754
Deduced a syphon composed of 6 places in 10 ms
Reduce places removed 6 places and 0 transitions.
Iterating global reduction 2 with 12 rules applied. Total rules applied 998 place count 1954 transition count 1754
Performed 708 Post agglomeration using F-continuation condition.Transition count delta: 708
Deduced a syphon composed of 708 places in 1 ms
Reduce places removed 708 places and 0 transitions.
Iterating global reduction 2 with 1416 rules applied. Total rules applied 2414 place count 1246 transition count 1046
Renaming transitions due to excessive name length > 1024 char.
Reduce places removed 2 places and 2 transitions.
Iterating global reduction 2 with 2 rules applied. Total rules applied 2416 place count 1244 transition count 1044
Applied a total of 2416 rules in 357 ms. Remains 1244 /2454 variables (removed 1210) and now considering 1044/2254 (removed 1210) transitions.
// Phase 1: matrix 1044 rows 1244 cols
[2024-05-29 13:11:14] [INFO ] Computed 441 invariants in 7 ms
[2024-05-29 13:11:14] [INFO ] Implicit Places using invariants in 514 ms returned []
[2024-05-29 13:11:14] [INFO ] Invariant cache hit.
[2024-05-29 13:11:16] [INFO ] Implicit Places using invariants and state equation in 1082 ms returned []
Implicit Place search using SMT with State Equation took 1597 ms to find 0 implicit places.
[2024-05-29 13:11:16] [INFO ] Redundant transitions in 15 ms returned []
Running 1040 sub problems to find dead transitions.
[2024-05-29 13:11:16] [INFO ] Invariant cache hit.
At refinement iteration 0 (INCLUDED_ONLY) 0/1242 variables, 431/431 constraints. Problems are: Problem set: 0 solved, 1040 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Real declared 1242/2288 variables, and 431 constraints, problems are : Problem set: 0 solved, 1040 unsolved in 30018 ms.
Refiners :[Positive P Invariants (semi-flows): 431/441 constraints, State Equation: 0/1244 constraints, PredecessorRefiner: 1040/1040 constraints, Known Traps: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 1040 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/1242 variables, 431/431 constraints. Problems are: Problem set: 0 solved, 1040 unsolved
[2024-05-29 13:12:00] [INFO ] Deduced a trap composed of 13 places in 29 ms of which 1 ms to minimize.
[2024-05-29 13:12:00] [INFO ] Deduced a trap composed of 28 places in 30 ms of which 1 ms to minimize.
[2024-05-29 13:12:01] [INFO ] Deduced a trap composed of 42 places in 34 ms of which 1 ms to minimize.
[2024-05-29 13:12:01] [INFO ] Deduced a trap composed of 56 places in 40 ms of which 1 ms to minimize.
[2024-05-29 13:12:01] [INFO ] Deduced a trap composed of 73 places in 47 ms of which 1 ms to minimize.
[2024-05-29 13:12:01] [INFO ] Deduced a trap composed of 85 places in 48 ms of which 1 ms to minimize.
[2024-05-29 13:12:02] [INFO ] Deduced a trap composed of 103 places in 49 ms of which 1 ms to minimize.
[2024-05-29 13:12:02] [INFO ] Deduced a trap composed of 113 places in 54 ms of which 1 ms to minimize.
[2024-05-29 13:12:02] [INFO ] Deduced a trap composed of 129 places in 54 ms of which 1 ms to minimize.
[2024-05-29 13:12:02] [INFO ] Deduced a trap composed of 144 places in 68 ms of which 2 ms to minimize.
[2024-05-29 13:12:03] [INFO ] Deduced a trap composed of 159 places in 63 ms of which 1 ms to minimize.
[2024-05-29 13:12:03] [INFO ] Deduced a trap composed of 175 places in 61 ms of which 1 ms to minimize.
[2024-05-29 13:12:03] [INFO ] Deduced a trap composed of 190 places in 84 ms of which 1 ms to minimize.
[2024-05-29 13:12:04] [INFO ] Deduced a trap composed of 206 places in 81 ms of which 1 ms to minimize.
[2024-05-29 13:12:04] [INFO ] Deduced a trap composed of 219 places in 87 ms of which 2 ms to minimize.
[2024-05-29 13:12:04] [INFO ] Deduced a trap composed of 232 places in 93 ms of which 2 ms to minimize.
[2024-05-29 13:12:05] [INFO ] Deduced a trap composed of 252 places in 92 ms of which 2 ms to minimize.
[2024-05-29 13:12:05] [INFO ] Deduced a trap composed of 267 places in 98 ms of which 2 ms to minimize.
[2024-05-29 13:12:06] [INFO ] Deduced a trap composed of 277 places in 102 ms of which 2 ms to minimize.
[2024-05-29 13:12:06] [INFO ] Deduced a trap composed of 293 places in 112 ms of which 3 ms to minimize.
At refinement iteration 1 (INCLUDED_ONLY) 0/1242 variables, 20/451 constraints. Problems are: Problem set: 0 solved, 1040 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 1242/2288 variables, and 451 constraints, problems are : Problem set: 0 solved, 1040 unsolved in 30021 ms.
Refiners :[Positive P Invariants (semi-flows): 431/441 constraints, State Equation: 0/1244 constraints, PredecessorRefiner: 0/1040 constraints, Known Traps: 20/20 constraints]
After SMT, in 60204ms problems are : Problem set: 0 solved, 1040 unsolved
Search for dead transitions found 0 dead transitions in 60212ms
Starting structural reductions in SI_LTL mode, iteration 1 : 1244/2454 places, 1044/2254 transitions.
Finished structural reductions in SI_LTL mode , in 1 iterations and 62189 ms. Remains : 1244/2454 places, 1044/2254 transitions.
Stuttering acceptance computed with spot in 63 ms :[(AND (NOT p0) (NOT p1)), (AND (NOT p0) (NOT p1))]
Running random walk in product with property : ShieldPPPs-PT-040B-LTLFireability-06
Stuttering criterion allowed to conclude after 2788 steps with 0 reset in 23 ms.
FORMULA ShieldPPPs-PT-040B-LTLFireability-06 FALSE TECHNIQUES STUTTER_TEST
Treatment of property ShieldPPPs-PT-040B-LTLFireability-06 finished in 62296 ms.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202405141337/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!(F(p0))'
Support contains 2 out of 2454 places. Attempting structural reductions.
Starting structural reductions in SI_LTL mode, iteration 0 : 2454/2454 places, 2254/2254 transitions.
Reduce places removed 1 places and 1 transitions.
Drop transitions (Trivial Post-Agglo cleanup.) removed 281 transitions
Trivial Post-agglo rules discarded 281 transitions
Performed 281 trivial Post agglomeration. Transition count delta: 281
Iterating post reduction 0 with 281 rules applied. Total rules applied 281 place count 2453 transition count 1972
Reduce places removed 281 places and 0 transitions.
Iterating post reduction 1 with 281 rules applied. Total rules applied 562 place count 2172 transition count 1972
Performed 200 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 2 with 200 Pre rules applied. Total rules applied 562 place count 2172 transition count 1772
Deduced a syphon composed of 200 places in 3 ms
Reduce places removed 200 places and 0 transitions.
Iterating global reduction 2 with 400 rules applied. Total rules applied 962 place count 1972 transition count 1772
Discarding 12 places :
Symmetric choice reduction at 2 with 12 rule applications. Total rules 974 place count 1960 transition count 1760
Iterating global reduction 2 with 12 rules applied. Total rules applied 986 place count 1960 transition count 1760
Performed 6 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 2 with 6 Pre rules applied. Total rules applied 986 place count 1960 transition count 1754
Deduced a syphon composed of 6 places in 3 ms
Reduce places removed 6 places and 0 transitions.
Iterating global reduction 2 with 12 rules applied. Total rules applied 998 place count 1954 transition count 1754
Performed 710 Post agglomeration using F-continuation condition.Transition count delta: 710
Deduced a syphon composed of 710 places in 1 ms
Reduce places removed 710 places and 0 transitions.
Iterating global reduction 2 with 1420 rules applied. Total rules applied 2418 place count 1244 transition count 1044
Renaming transitions due to excessive name length > 1024 char.
Reduce places removed 2 places and 2 transitions.
Iterating global reduction 2 with 2 rules applied. Total rules applied 2420 place count 1242 transition count 1042
Applied a total of 2420 rules in 309 ms. Remains 1242 /2454 variables (removed 1212) and now considering 1042/2254 (removed 1212) transitions.
// Phase 1: matrix 1042 rows 1242 cols
[2024-05-29 13:12:16] [INFO ] Computed 441 invariants in 5 ms
[2024-05-29 13:12:17] [INFO ] Implicit Places using invariants in 496 ms returned []
[2024-05-29 13:12:17] [INFO ] Invariant cache hit.
[2024-05-29 13:12:18] [INFO ] Implicit Places using invariants and state equation in 1084 ms returned []
Implicit Place search using SMT with State Equation took 1582 ms to find 0 implicit places.
[2024-05-29 13:12:18] [INFO ] Redundant transitions in 17 ms returned []
Running 1039 sub problems to find dead transitions.
[2024-05-29 13:12:18] [INFO ] Invariant cache hit.
At refinement iteration 0 (INCLUDED_ONLY) 0/1241 variables, 440/440 constraints. Problems are: Problem set: 0 solved, 1039 unsolved
(s411 0.0timeout
^^^^^^^^^^
(error "Invalid token: 0.0timeout")
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org.smtlib.IParser$ParserException: Unbalanced parentheses at end of input")
Solver is answering 'unknown', stopping.
After SMT solving in domain Real declared 1241/2284 variables, and 440 constraints, problems are : Problem set: 0 solved, 1039 unsolved in 30021 ms.
Refiners :[Positive P Invariants (semi-flows): 440/441 constraints, State Equation: 0/1242 constraints, PredecessorRefiner: 1039/1039 constraints, Known Traps: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 1039 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/1241 variables, 440/440 constraints. Problems are: Problem set: 0 solved, 1039 unsolved
[2024-05-29 13:13:04] [INFO ] Deduced a trap composed of 13 places in 31 ms of which 1 ms to minimize.
At refinement iteration 1 (INCLUDED_ONLY) 0/1241 variables, 1/441 constraints. Problems are: Problem set: 0 solved, 1039 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 1241/2284 variables, and 441 constraints, problems are : Problem set: 0 solved, 1039 unsolved in 30023 ms.
Refiners :[Positive P Invariants (semi-flows): 440/441 constraints, State Equation: 0/1242 constraints, PredecessorRefiner: 0/1039 constraints, Known Traps: 1/1 constraints]
After SMT, in 60201ms problems are : Problem set: 0 solved, 1039 unsolved
Search for dead transitions found 0 dead transitions in 60209ms
Starting structural reductions in SI_LTL mode, iteration 1 : 1242/2454 places, 1042/2254 transitions.
Finished structural reductions in SI_LTL mode , in 1 iterations and 62127 ms. Remains : 1242/2454 places, 1042/2254 transitions.
Stuttering acceptance computed with spot in 43 ms :[(NOT p0)]
Running random walk in product with property : ShieldPPPs-PT-040B-LTLFireability-07
Product exploration explored 100000 steps with 41 reset in 824 ms.
Product exploration explored 100000 steps with 41 reset in 1008 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 (NOT p0)), (X (X (NOT p0)))]
False Knowledge obtained : []
Knowledge based reduction with 3 factoid took 86 ms. Reduced automaton from 1 states, 1 edges and 1 AP (stutter insensitive) to 1 states, 1 edges and 1 AP (stutter insensitive).
Stuttering acceptance computed with spot in 45 ms :[(NOT p0)]
RANDOM walk for 9392 steps (0 resets) in 105 ms. (88 steps per ms) remains 0/1 properties
Knowledge obtained : [(NOT p0), (X (NOT p0)), (X (X (NOT p0)))]
False Knowledge obtained : [(F p0)]
Knowledge based reduction with 3 factoid took 77 ms. Reduced automaton from 1 states, 1 edges and 1 AP (stutter insensitive) to 1 states, 1 edges and 1 AP (stutter insensitive).
Stuttering acceptance computed with spot in 41 ms :[(NOT p0)]
Stuttering acceptance computed with spot in 33 ms :[(NOT p0)]
[2024-05-29 13:13:20] [INFO ] Invariant cache hit.
[2024-05-29 13:13:21] [INFO ] [Real]Absence check using 441 positive place invariants in 234 ms returned sat
[2024-05-29 13:13:24] [INFO ] [Real]Absence check using state equation in 2442 ms returned sat
[2024-05-29 13:13:24] [INFO ] Solution in real domain found non-integer solution.
[2024-05-29 13:13:25] [INFO ] [Nat]Absence check using 441 positive place invariants in 229 ms returned sat
[2024-05-29 13:13:28] [INFO ] [Nat]Absence check using state equation in 3118 ms returned sat
[2024-05-29 13:13:28] [INFO ] Computed and/alt/rep : 1039/1996/1039 causal constraints (skipped 0 transitions) in 51 ms.
[2024-05-29 13:13:39] [INFO ] Added : 535 causal constraints over 107 iterations in 10868 ms. Result :unknown
Could not prove EG (NOT p0)
Support contains 2 out of 1242 places. Attempting structural reductions.
Starting structural reductions in SI_LTL mode, iteration 0 : 1242/1242 places, 1042/1042 transitions.
Applied a total of 0 rules in 38 ms. Remains 1242 /1242 variables (removed 0) and now considering 1042/1042 (removed 0) transitions.
[2024-05-29 13:13:39] [INFO ] Invariant cache hit.
[2024-05-29 13:13:39] [INFO ] Implicit Places using invariants in 564 ms returned []
[2024-05-29 13:13:39] [INFO ] Invariant cache hit.
[2024-05-29 13:13:40] [INFO ] Implicit Places using invariants and state equation in 1177 ms returned []
Implicit Place search using SMT with State Equation took 1747 ms to find 0 implicit places.
[2024-05-29 13:13:41] [INFO ] Redundant transitions in 16 ms returned []
Running 1039 sub problems to find dead transitions.
[2024-05-29 13:13:41] [INFO ] Invariant cache hit.
At refinement iteration 0 (INCLUDED_ONLY) 0/1241 variables, 440/440 constraints. Problems are: Problem set: 0 solved, 1039 unsolved
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(s693 org.smtlib.IParser$ParserException: Unbalanced parentheses at end of input")
Solver is answering 'unknown', stopping.
After SMT solving in domain Real declared 1241/2284 variables, and 440 constraints, problems are : Problem set: 0 solved, 1039 unsolved in 30025 ms.
Refiners :[Positive P Invariants (semi-flows): 440/441 constraints, State Equation: 0/1242 constraints, PredecessorRefiner: 1039/1039 constraints, Known Traps: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 1039 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/1241 variables, 440/440 constraints. Problems are: Problem set: 0 solved, 1039 unsolved
[2024-05-29 13:14:27] [INFO ] Deduced a trap composed of 13 places in 31 ms of which 1 ms to minimize.
At refinement iteration 1 (INCLUDED_ONLY) 0/1241 variables, 1/441 constraints. Problems are: Problem set: 0 solved, 1039 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 1241/2284 variables, and 441 constraints, problems are : Problem set: 0 solved, 1039 unsolved in 30018 ms.
Refiners :[Positive P Invariants (semi-flows): 440/441 constraints, State Equation: 0/1242 constraints, PredecessorRefiner: 0/1039 constraints, Known Traps: 1/1 constraints]
After SMT, in 60189ms problems are : Problem set: 0 solved, 1039 unsolved
Search for dead transitions found 0 dead transitions in 60198ms
Finished structural reductions in SI_LTL mode , in 1 iterations and 62012 ms. Remains : 1242/1242 places, 1042/1042 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 (NOT p0)), (X (X (NOT p0)))]
False Knowledge obtained : []
Knowledge based reduction with 3 factoid took 71 ms. Reduced automaton from 1 states, 1 edges and 1 AP (stutter insensitive) to 1 states, 1 edges and 1 AP (stutter insensitive).
Stuttering acceptance computed with spot in 43 ms :[(NOT p0)]
RANDOM walk for 9801 steps (0 resets) in 115 ms. (84 steps per ms) remains 0/1 properties
Knowledge obtained : [(NOT p0), (X (NOT p0)), (X (X (NOT p0)))]
False Knowledge obtained : [(F p0)]
Knowledge based reduction with 3 factoid took 101 ms. Reduced automaton from 1 states, 1 edges and 1 AP (stutter insensitive) to 1 states, 1 edges and 1 AP (stutter insensitive).
Stuttering acceptance computed with spot in 40 ms :[(NOT p0)]
Stuttering acceptance computed with spot in 37 ms :[(NOT p0)]
[2024-05-29 13:14:41] [INFO ] Invariant cache hit.
[2024-05-29 13:14:42] [INFO ] [Real]Absence check using 441 positive place invariants in 226 ms returned sat
[2024-05-29 13:14:45] [INFO ] [Real]Absence check using state equation in 2542 ms returned sat
[2024-05-29 13:14:45] [INFO ] Solution in real domain found non-integer solution.
[2024-05-29 13:14:46] [INFO ] [Nat]Absence check using 441 positive place invariants in 233 ms returned sat
[2024-05-29 13:14:49] [INFO ] [Nat]Absence check using state equation in 3171 ms returned sat
[2024-05-29 13:14:49] [INFO ] Computed and/alt/rep : 1039/1996/1039 causal constraints (skipped 0 transitions) in 48 ms.
[2024-05-29 13:15:00] [INFO ] Added : 525 causal constraints over 105 iterations in 10812 ms. Result :unknown
Could not prove EG (NOT p0)
Stuttering acceptance computed with spot in 41 ms :[(NOT p0)]
Product exploration explored 100000 steps with 41 reset in 825 ms.
Product exploration explored 100000 steps with 40 reset in 1008 ms.
Support contains 2 out of 1242 places. Attempting structural reductions.
Starting structural reductions in SI_LTL mode, iteration 0 : 1242/1242 places, 1042/1042 transitions.
Applied a total of 0 rules in 28 ms. Remains 1242 /1242 variables (removed 0) and now considering 1042/1042 (removed 0) transitions.
[2024-05-29 13:15:02] [INFO ] Invariant cache hit.
[2024-05-29 13:15:02] [INFO ] Implicit Places using invariants in 513 ms returned []
[2024-05-29 13:15:02] [INFO ] Invariant cache hit.
[2024-05-29 13:15:03] [INFO ] Implicit Places using invariants and state equation in 1087 ms returned []
Implicit Place search using SMT with State Equation took 1600 ms to find 0 implicit places.
[2024-05-29 13:15:03] [INFO ] Redundant transitions in 14 ms returned []
Running 1039 sub problems to find dead transitions.
[2024-05-29 13:15:03] [INFO ] Invariant cache hit.
At refinement iteration 0 (INCLUDED_ONLY) 0/1241 variables, 440/440 constraints. Problems are: Problem set: 0 solved, 1039 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Real declared 1241/2284 variables, and 440 constraints, problems are : Problem set: 0 solved, 1039 unsolved in 30022 ms.
Refiners :[Positive P Invariants (semi-flows): 440/441 constraints, State Equation: 0/1242 constraints, PredecessorRefiner: 1039/1039 constraints, Known Traps: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 1039 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/1241 variables, 440/440 constraints. Problems are: Problem set: 0 solved, 1039 unsolved
[2024-05-29 13:15:50] [INFO ] Deduced a trap composed of 13 places in 32 ms of which 1 ms to minimize.
At refinement iteration 1 (INCLUDED_ONLY) 0/1241 variables, 1/441 constraints. Problems are: Problem set: 0 solved, 1039 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 1241/2284 variables, and 441 constraints, problems are : Problem set: 0 solved, 1039 unsolved in 30028 ms.
Refiners :[Positive P Invariants (semi-flows): 440/441 constraints, State Equation: 0/1242 constraints, PredecessorRefiner: 0/1039 constraints, Known Traps: 1/1 constraints]
After SMT, in 60197ms problems are : Problem set: 0 solved, 1039 unsolved
Search for dead transitions found 0 dead transitions in 60205ms
Finished structural reductions in SI_LTL mode , in 1 iterations and 61853 ms. Remains : 1242/1242 places, 1042/1042 transitions.
Treatment of property ShieldPPPs-PT-040B-LTLFireability-07 finished in 227621 ms.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202405141337/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!((G(p0)||(F(p1) U X(p2))))'
Support contains 3 out of 2454 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 2454/2454 places, 2254/2254 transitions.
Discarding 10 places :
Symmetric choice reduction at 0 with 10 rule applications. Total rules 10 place count 2444 transition count 2244
Iterating global reduction 0 with 10 rules applied. Total rules applied 20 place count 2444 transition count 2244
Applied a total of 20 rules in 201 ms. Remains 2444 /2454 variables (removed 10) and now considering 2244/2254 (removed 10) transitions.
// Phase 1: matrix 2244 rows 2444 cols
[2024-05-29 13:16:04] [INFO ] Computed 441 invariants in 17 ms
[2024-05-29 13:16:04] [INFO ] Implicit Places using invariants in 773 ms returned []
[2024-05-29 13:16:04] [INFO ] Invariant cache hit.
[2024-05-29 13:16:07] [INFO ] Implicit Places using invariants and state equation in 2167 ms returned []
Implicit Place search using SMT with State Equation took 2941 ms to find 0 implicit places.
Running 2243 sub problems to find dead transitions.
[2024-05-29 13:16:07] [INFO ] Invariant cache hit.
Solver is answering 'unknown', stopping.
After SMT solving in domain Real declared 2443/4688 variables, and 0 constraints, problems are : Problem set: 0 solved, 2243 unsolved in 30032 ms.
Refiners :[Positive P Invariants (semi-flows): 0/441 constraints, State Equation: 0/2444 constraints, PredecessorRefiner: 2243/2243 constraints, Known Traps: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 2243 unsolved
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(s739 timeout
1)
(s740 org.smtlib.IParser$ParserException: Unbalanced parentheses at end of input")
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 2443/4688 variables, and 0 constraints, problems are : Problem set: 0 solved, 2243 unsolved in 30034 ms.
Refiners :[Positive P Invariants (semi-flows): 0/441 constraints, State Equation: 0/2444 constraints, PredecessorRefiner: 0/2243 constraints, Known Traps: 0/0 constraints]
After SMT, in 60544ms problems are : Problem set: 0 solved, 2243 unsolved
Search for dead transitions found 0 dead transitions in 60563ms
Starting structural reductions in LTL mode, iteration 1 : 2444/2454 places, 2244/2254 transitions.
Finished structural reductions in LTL mode , in 1 iterations and 63712 ms. Remains : 2444/2454 places, 2244/2254 transitions.
Stuttering acceptance computed with spot in 290 ms :[(AND (NOT p0) (NOT p2)), (AND (NOT p1) (NOT p2)), (NOT p2), (AND (NOT p1) (NOT p0) (NOT p2)), (AND (NOT p0) (NOT p2)), (NOT p1), (AND (NOT p1) (NOT p0))]
Running random walk in product with property : ShieldPPPs-PT-040B-LTLFireability-08
Product exploration explored 100000 steps with 955 reset in 283 ms.
Product exploration explored 100000 steps with 944 reset in 302 ms.
Computed a total of 481 stabilizing places and 481 stable transitions
Computed a total of 481 stabilizing places and 481 stable transitions
Detected a total of 481/2444 stabilizing places and 481/2244 transitions leading to convergence knowledge of the form 'F(Gp|G!p)' for 2/3 atomic propositions.
Knowledge obtained : [(AND p0 p1 (NOT p2)), (X (NOT p2)), (X (NOT (AND (NOT p1) (NOT p2)))), (X (NOT (AND (NOT p0) (NOT p2)))), (X (AND p0 (NOT p2))), (X (NOT (AND p0 (NOT p1) (NOT p2)))), (X p0), (X p1), (X (NOT (AND (NOT p0) (NOT p1) (NOT p2)))), (X (X (NOT p2))), (X (X (NOT (AND (NOT p1) (NOT p2))))), (X (X (NOT (AND (NOT p0) (NOT p1))))), (X (X p1)), (X (X (NOT (AND p0 (NOT p1))))), (X (X (NOT (AND (NOT p0) (NOT p2))))), (X (X (AND p0 (NOT p2)))), (X (X (NOT (AND p0 (NOT p1) (NOT p2))))), (X (X p0)), (X (X (NOT (AND (NOT p0) (NOT p1) (NOT p2))))), (F (OR (G p0) (G (NOT p0)))), (F (OR (G p1) (G (NOT p1))))]
False Knowledge obtained : []
Knowledge based reduction with 21 factoid took 199 ms. Reduced automaton from 7 states, 16 edges and 3 AP (stutter sensitive) to 7 states, 13 edges and 3 AP (stutter sensitive).
Stuttering acceptance computed with spot in 291 ms :[(AND (NOT p0) (NOT p2)), (AND (NOT p1) (NOT p2)), (NOT p2), (AND (NOT p1) (NOT p0) (NOT p2)), (AND (NOT p0) (NOT p2)), (NOT p1), (AND (NOT p1) (NOT p0))]
RANDOM walk for 33560 steps (7 resets) in 355 ms. (94 steps per ms) remains 0/10 properties
Knowledge obtained : [(AND p0 p1 (NOT p2)), (X (NOT p2)), (X (NOT (AND (NOT p1) (NOT p2)))), (X (NOT (AND (NOT p0) (NOT p2)))), (X (AND p0 (NOT p2))), (X (NOT (AND p0 (NOT p1) (NOT p2)))), (X p0), (X p1), (X (NOT (AND (NOT p0) (NOT p1) (NOT p2)))), (X (X (NOT p2))), (X (X (NOT (AND (NOT p1) (NOT p2))))), (X (X (NOT (AND (NOT p0) (NOT p1))))), (X (X p1)), (X (X (NOT (AND p0 (NOT p1))))), (X (X (NOT (AND (NOT p0) (NOT p2))))), (X (X (AND p0 (NOT p2)))), (X (X (NOT (AND p0 (NOT p1) (NOT p2))))), (X (X p0)), (X (X (NOT (AND (NOT p0) (NOT p1) (NOT p2))))), (F (OR (G p0) (G (NOT p0)))), (F (OR (G p1) (G (NOT p1))))]
False Knowledge obtained : [(F (NOT (OR p0 p2))), (F (NOT (OR (NOT p0) p1))), (F (NOT (OR p2 p1))), (F (NOT (OR (NOT p0) p2 p1))), (F p2), (F (NOT (OR p0 p1))), (F (NOT (OR p0 p2 p1))), (F (NOT p0)), (F (NOT (AND p0 (NOT p2)))), (F (NOT p1))]
Knowledge based reduction with 21 factoid took 677 ms. Reduced automaton from 7 states, 13 edges and 3 AP (stutter sensitive) to 7 states, 13 edges and 3 AP (stutter sensitive).
Stuttering acceptance computed with spot in 272 ms :[(AND (NOT p0) (NOT p2)), (AND (NOT p1) (NOT p2)), (NOT p2), (AND (NOT p1) (NOT p0) (NOT p2)), (AND (NOT p0) (NOT p2)), (NOT p1), (AND (NOT p1) (NOT p0))]
Stuttering acceptance computed with spot in 344 ms :[(AND (NOT p0) (NOT p2)), (AND (NOT p1) (NOT p2)), (NOT p2), (AND (NOT p1) (NOT p0) (NOT p2)), (AND (NOT p0) (NOT p2)), (NOT p1), (AND (NOT p1) (NOT p0))]
Support contains 3 out of 2444 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 2444/2444 places, 2244/2244 transitions.
Applied a total of 0 rules in 96 ms. Remains 2444 /2444 variables (removed 0) and now considering 2244/2244 (removed 0) transitions.
[2024-05-29 13:17:10] [INFO ] Invariant cache hit.
[2024-05-29 13:17:11] [INFO ] Implicit Places using invariants in 742 ms returned []
[2024-05-29 13:17:11] [INFO ] Invariant cache hit.
[2024-05-29 13:17:13] [INFO ] Implicit Places using invariants and state equation in 2146 ms returned []
Implicit Place search using SMT with State Equation took 2890 ms to find 0 implicit places.
Running 2243 sub problems to find dead transitions.
[2024-05-29 13:17:13] [INFO ] Invariant cache hit.
Solver is answering 'unknown', stopping.
After SMT solving in domain Real declared 2443/4688 variables, and 0 constraints, problems are : Problem set: 0 solved, 2243 unsolved in 30029 ms.
Refiners :[Positive P Invariants (semi-flows): 0/441 constraints, State Equation: 0/2444 constraints, PredecessorRefiner: 2243/2243 constraints, Known Traps: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 2243 unsolved
Error getting values : (error "ParserException while parsing response: (timeout
org.smtlib.IParser$ParserException: Unbalanced parentheses at end of input")
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 2443/4688 variables, and 0 constraints, problems are : Problem set: 0 solved, 2243 unsolved in 30033 ms.
Refiners :[Positive P Invariants (semi-flows): 0/441 constraints, State Equation: 0/2444 constraints, PredecessorRefiner: 0/2243 constraints, Known Traps: 0/0 constraints]
After SMT, in 60537ms problems are : Problem set: 0 solved, 2243 unsolved
Search for dead transitions found 0 dead transitions in 60555ms
Finished structural reductions in LTL mode , in 1 iterations and 63546 ms. Remains : 2444/2444 places, 2244/2244 transitions.
Computed a total of 481 stabilizing places and 481 stable transitions
Computed a total of 481 stabilizing places and 481 stable transitions
Detected a total of 481/2444 stabilizing places and 481/2244 transitions leading to convergence knowledge of the form 'F(Gp|G!p)' for 2/3 atomic propositions.
Knowledge obtained : [(AND (NOT p2) p1 p0), (X (NOT p2)), (X (NOT (AND (NOT p0) (NOT p2) (NOT p1)))), (X (NOT (AND (NOT p0) (NOT p2)))), (X (NOT (AND p0 (NOT p2) (NOT p1)))), (X (AND p0 (NOT p2))), (X p0), (X p1), (X (X (NOT p2))), (X (X (NOT (AND (NOT p0) (NOT p2) (NOT p1))))), (X (X (NOT (AND (NOT p0) (NOT p2))))), (X (X (NOT (AND p0 (NOT p2) (NOT p1))))), (X (X (NOT (AND (NOT p2) (NOT p1))))), (X (X (AND p0 (NOT p2)))), (X (X p0)), (X (X p1)), (F (OR (G p1) (G (NOT p1)))), (F (OR (G p0) (G (NOT p0))))]
False Knowledge obtained : []
Knowledge based reduction with 18 factoid took 310 ms. Reduced automaton from 7 states, 13 edges and 3 AP (stutter sensitive) to 7 states, 13 edges and 3 AP (stutter sensitive).
Stuttering acceptance computed with spot in 256 ms :[(AND (NOT p0) (NOT p2)), (AND (NOT p1) (NOT p2)), (NOT p2), (AND (NOT p1) (NOT p0) (NOT p2)), (AND (NOT p0) (NOT p2)), (NOT p1), (AND (NOT p1) (NOT p0))]
RANDOM walk for 40000 steps (8 resets) in 409 ms. (97 steps per ms) remains 2/10 properties
BEST_FIRST walk for 14610 steps (1 resets) in 55 ms. (260 steps per ms) remains 0/2 properties
Knowledge obtained : [(AND (NOT p2) p1 p0), (X (NOT p2)), (X (NOT (AND (NOT p0) (NOT p2) (NOT p1)))), (X (NOT (AND (NOT p0) (NOT p2)))), (X (NOT (AND p0 (NOT p2) (NOT p1)))), (X (AND p0 (NOT p2))), (X p0), (X p1), (X (X (NOT p2))), (X (X (NOT (AND (NOT p0) (NOT p2) (NOT p1))))), (X (X (NOT (AND (NOT p0) (NOT p2))))), (X (X (NOT (AND p0 (NOT p2) (NOT p1))))), (X (X (NOT (AND (NOT p2) (NOT p1))))), (X (X (AND p0 (NOT p2)))), (X (X p0)), (X (X p1)), (F (OR (G p1) (G (NOT p1)))), (F (OR (G p0) (G (NOT p0))))]
False Knowledge obtained : [(F (NOT (OR p0 p2))), (F (NOT (OR (NOT p0) p1))), (F (NOT (OR p2 p1))), (F (NOT (OR (NOT p0) p2 p1))), (F p2), (F (NOT (OR p0 p1))), (F (NOT (OR p0 p2 p1))), (F (NOT p0)), (F (NOT (AND p0 (NOT p2)))), (F (NOT p1))]
Knowledge based reduction with 18 factoid took 929 ms. Reduced automaton from 7 states, 13 edges and 3 AP (stutter sensitive) to 7 states, 13 edges and 3 AP (stutter sensitive).
Stuttering acceptance computed with spot in 267 ms :[(AND (NOT p0) (NOT p2)), (AND (NOT p1) (NOT p2)), (NOT p2), (AND (NOT p1) (NOT p0) (NOT p2)), (AND (NOT p0) (NOT p2)), (NOT p1), (AND (NOT p1) (NOT p0))]
Stuttering acceptance computed with spot in 270 ms :[(AND (NOT p0) (NOT p2)), (AND (NOT p1) (NOT p2)), (NOT p2), (AND (NOT p1) (NOT p0) (NOT p2)), (AND (NOT p0) (NOT p2)), (NOT p1), (AND (NOT p1) (NOT p0))]
Stuttering acceptance computed with spot in 243 ms :[(AND (NOT p0) (NOT p2)), (AND (NOT p1) (NOT p2)), (NOT p2), (AND (NOT p1) (NOT p0) (NOT p2)), (AND (NOT p0) (NOT p2)), (NOT p1), (AND (NOT p1) (NOT p0))]
Product exploration explored 100000 steps with 937 reset in 292 ms.
Product exploration explored 100000 steps with 971 reset in 309 ms.
Applying partial POR strategy [false, true, false, true, false, true, true]
Stuttering acceptance computed with spot in 267 ms :[(AND (NOT p0) (NOT p2)), (AND (NOT p1) (NOT p2)), (NOT p2), (AND (NOT p1) (NOT p0) (NOT p2)), (AND (NOT p0) (NOT p2)), (NOT p1), (AND (NOT p1) (NOT p0))]
Support contains 3 out of 2444 places. Attempting structural reductions.
Starting structural reductions in SI_LTL mode, iteration 0 : 2444/2444 places, 2244/2244 transitions.
Performed 279 Post agglomeration using F-continuation condition.Transition count delta: 0
Iterating post reduction 0 with 279 rules applied. Total rules applied 279 place count 2444 transition count 2244
Performed 81 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 1 with 81 Pre rules applied. Total rules applied 279 place count 2444 transition count 2246
Deduced a syphon composed of 360 places in 4 ms
Iterating global reduction 1 with 81 rules applied. Total rules applied 360 place count 2444 transition count 2246
Performed 837 Post agglomeration using F-continuation condition.Transition count delta: 0
Deduced a syphon composed of 1197 places in 2 ms
Iterating global reduction 1 with 837 rules applied. Total rules applied 1197 place count 2444 transition count 2246
Renaming transitions due to excessive name length > 1024 char.
Discarding 278 places :
Symmetric choice reduction at 1 with 278 rule applications. Total rules 1475 place count 2166 transition count 1968
Deduced a syphon composed of 919 places in 2 ms
Iterating global reduction 1 with 278 rules applied. Total rules applied 1753 place count 2166 transition count 1968
Deduced a syphon composed of 919 places in 2 ms
Applied a total of 1753 rules in 536 ms. Remains 2166 /2444 variables (removed 278) and now considering 1968/2244 (removed 276) transitions.
[2024-05-29 13:18:18] [INFO ] Redundant transitions in 46 ms returned []
Running 1967 sub problems to find dead transitions.
// Phase 1: matrix 1968 rows 2166 cols
[2024-05-29 13:18:18] [INFO ] Computed 441 invariants in 18 ms
Solver is answering 'unknown', stopping.
After SMT solving in domain Real declared 2165/4134 variables, and 0 constraints, problems are : Problem set: 0 solved, 1967 unsolved in 30029 ms.
Refiners :[Positive P Invariants (semi-flows): 0/441 constraints, State Equation: 0/2166 constraints, PredecessorRefiner: 1967/1967 constraints, Known Traps: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 1967 unsolved
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(s916 timeout
1)
(s917 org.smtlib.IParser$ParserException: Unbalanced parentheses at end of input")
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 2165/4134 variables, and 0 constraints, problems are : Problem set: 0 solved, 1967 unsolved in 30034 ms.
Refiners :[Positive P Invariants (semi-flows): 0/441 constraints, State Equation: 0/2166 constraints, PredecessorRefiner: 0/1967 constraints, Known Traps: 0/0 constraints]
After SMT, in 61498ms problems are : Problem set: 0 solved, 1967 unsolved
Search for dead transitions found 0 dead transitions in 61513ms
Starting structural reductions in SI_LTL mode, iteration 1 : 2166/2444 places, 1968/2244 transitions.
Finished structural reductions in SI_LTL mode , in 1 iterations and 62107 ms. Remains : 2166/2444 places, 1968/2244 transitions.
Support contains 3 out of 2444 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 2444/2444 places, 2244/2244 transitions.
Applied a total of 0 rules in 92 ms. Remains 2444 /2444 variables (removed 0) and now considering 2244/2244 (removed 0) transitions.
// Phase 1: matrix 2244 rows 2444 cols
[2024-05-29 13:19:19] [INFO ] Computed 441 invariants in 13 ms
[2024-05-29 13:19:20] [INFO ] Implicit Places using invariants in 763 ms returned []
[2024-05-29 13:19:20] [INFO ] Invariant cache hit.
[2024-05-29 13:19:22] [INFO ] Implicit Places using invariants and state equation in 2094 ms returned []
Implicit Place search using SMT with State Equation took 2857 ms to find 0 implicit places.
Running 2243 sub problems to find dead transitions.
[2024-05-29 13:19:22] [INFO ] Invariant cache hit.
Solver is answering 'unknown', stopping.
After SMT solving in domain Real declared 2443/4688 variables, and 0 constraints, problems are : Problem set: 0 solved, 2243 unsolved in 30031 ms.
Refiners :[Positive P Invariants (semi-flows): 0/441 constraints, State Equation: 0/2444 constraints, PredecessorRefiner: 2243/2243 constraints, Known Traps: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 2243 unsolved
Error getting values : (error "Error writing to Z3 solver: java.io.IOException: Broken pipe")
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 2443/4688 variables, and 0 constraints, problems are : Problem set: 0 solved, 2243 unsolved in 30030 ms.
Refiners :[Positive P Invariants (semi-flows): 0/441 constraints, State Equation: 0/2444 constraints, PredecessorRefiner: 0/2243 constraints, Known Traps: 0/0 constraints]
After SMT, in 60537ms problems are : Problem set: 0 solved, 2243 unsolved
Search for dead transitions found 0 dead transitions in 60554ms
Finished structural reductions in LTL mode , in 1 iterations and 63508 ms. Remains : 2444/2444 places, 2244/2244 transitions.
Treatment of property ShieldPPPs-PT-040B-LTLFireability-08 finished in 259304 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 U p1))))'
Support contains 3 out of 2454 places. Attempting structural reductions.
Starting structural reductions in SI_LTL mode, iteration 0 : 2454/2454 places, 2254/2254 transitions.
Reduce places removed 1 places and 1 transitions.
Drop transitions (Trivial Post-Agglo cleanup.) removed 281 transitions
Trivial Post-agglo rules discarded 281 transitions
Performed 281 trivial Post agglomeration. Transition count delta: 281
Iterating post reduction 0 with 281 rules applied. Total rules applied 281 place count 2453 transition count 1972
Reduce places removed 281 places and 0 transitions.
Iterating post reduction 1 with 281 rules applied. Total rules applied 562 place count 2172 transition count 1972
Performed 199 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 2 with 199 Pre rules applied. Total rules applied 562 place count 2172 transition count 1773
Deduced a syphon composed of 199 places in 3 ms
Reduce places removed 199 places and 0 transitions.
Iterating global reduction 2 with 398 rules applied. Total rules applied 960 place count 1973 transition count 1773
Discarding 11 places :
Symmetric choice reduction at 2 with 11 rule applications. Total rules 971 place count 1962 transition count 1762
Iterating global reduction 2 with 11 rules applied. Total rules applied 982 place count 1962 transition count 1762
Performed 6 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 2 with 6 Pre rules applied. Total rules applied 982 place count 1962 transition count 1756
Deduced a syphon composed of 6 places in 3 ms
Reduce places removed 6 places and 0 transitions.
Iterating global reduction 2 with 12 rules applied. Total rules applied 994 place count 1956 transition count 1756
Performed 710 Post agglomeration using F-continuation condition.Transition count delta: 710
Deduced a syphon composed of 710 places in 1 ms
Reduce places removed 710 places and 0 transitions.
Iterating global reduction 2 with 1420 rules applied. Total rules applied 2414 place count 1246 transition count 1046
Renaming transitions due to excessive name length > 1024 char.
Reduce places removed 2 places and 2 transitions.
Iterating global reduction 2 with 2 rules applied. Total rules applied 2416 place count 1244 transition count 1044
Applied a total of 2416 rules in 313 ms. Remains 1244 /2454 variables (removed 1210) and now considering 1044/2254 (removed 1210) transitions.
// Phase 1: matrix 1044 rows 1244 cols
[2024-05-29 13:20:23] [INFO ] Computed 441 invariants in 4 ms
[2024-05-29 13:20:24] [INFO ] Implicit Places using invariants in 508 ms returned []
[2024-05-29 13:20:24] [INFO ] Invariant cache hit.
[2024-05-29 13:20:25] [INFO ] Implicit Places using invariants and state equation in 1093 ms returned []
Implicit Place search using SMT with State Equation took 1602 ms to find 0 implicit places.
[2024-05-29 13:20:25] [INFO ] Redundant transitions in 13 ms returned []
Running 1040 sub problems to find dead transitions.
[2024-05-29 13:20:25] [INFO ] Invariant cache hit.
At refinement iteration 0 (INCLUDED_ONLY) 0/1242 variables, 431/431 constraints. Problems are: Problem set: 0 solved, 1040 unsolved
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(s1199 0.0)
(s1200 timeout
1.0 org.smtlib.IParser$ParserException: Unbalanced parentheses at end of input")
Solver is answering 'unknown', stopping.
After SMT solving in domain Real declared 1242/2288 variables, and 431 constraints, problems are : Problem set: 0 solved, 1040 unsolved in 30030 ms.
Refiners :[Positive P Invariants (semi-flows): 431/441 constraints, State Equation: 0/1244 constraints, PredecessorRefiner: 1040/1040 constraints, Known Traps: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 1040 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/1242 variables, 431/431 constraints. Problems are: Problem set: 0 solved, 1040 unsolved
[2024-05-29 13:21:10] [INFO ] Deduced a trap composed of 13 places in 33 ms of which 1 ms to minimize.
[2024-05-29 13:21:10] [INFO ] Deduced a trap composed of 28 places in 29 ms of which 1 ms to minimize.
[2024-05-29 13:21:10] [INFO ] Deduced a trap composed of 42 places in 33 ms of which 1 ms to minimize.
[2024-05-29 13:21:10] [INFO ] Deduced a trap composed of 56 places in 42 ms of which 1 ms to minimize.
[2024-05-29 13:21:11] [INFO ] Deduced a trap composed of 73 places in 47 ms of which 0 ms to minimize.
[2024-05-29 13:21:11] [INFO ] Deduced a trap composed of 85 places in 51 ms of which 1 ms to minimize.
[2024-05-29 13:21:11] [INFO ] Deduced a trap composed of 103 places in 48 ms of which 1 ms to minimize.
[2024-05-29 13:21:12] [INFO ] Deduced a trap composed of 113 places in 52 ms of which 1 ms to minimize.
[2024-05-29 13:21:12] [INFO ] Deduced a trap composed of 129 places in 61 ms of which 1 ms to minimize.
[2024-05-29 13:21:12] [INFO ] Deduced a trap composed of 144 places in 63 ms of which 1 ms to minimize.
[2024-05-29 13:21:12] [INFO ] Deduced a trap composed of 159 places in 69 ms of which 1 ms to minimize.
[2024-05-29 13:21:13] [INFO ] Deduced a trap composed of 175 places in 69 ms of which 2 ms to minimize.
[2024-05-29 13:21:13] [INFO ] Deduced a trap composed of 190 places in 74 ms of which 2 ms to minimize.
[2024-05-29 13:21:13] [INFO ] Deduced a trap composed of 206 places in 74 ms of which 2 ms to minimize.
[2024-05-29 13:21:14] [INFO ] Deduced a trap composed of 219 places in 81 ms of which 2 ms to minimize.
[2024-05-29 13:21:14] [INFO ] Deduced a trap composed of 232 places in 91 ms of which 2 ms to minimize.
[2024-05-29 13:21:15] [INFO ] Deduced a trap composed of 252 places in 93 ms of which 2 ms to minimize.
[2024-05-29 13:21:15] [INFO ] Deduced a trap composed of 267 places in 96 ms of which 2 ms to minimize.
[2024-05-29 13:21:15] [INFO ] Deduced a trap composed of 277 places in 97 ms of which 2 ms to minimize.
[2024-05-29 13:21:16] [INFO ] Deduced a trap composed of 293 places in 110 ms of which 3 ms to minimize.
At refinement iteration 1 (INCLUDED_ONLY) 0/1242 variables, 20/451 constraints. Problems are: Problem set: 0 solved, 1040 unsolved
Error getting values : (error "ParserException while parsing response: (timeout
org.smtlib.IParser$ParserException: Unbalanced parentheses at end of input")
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 1242/2288 variables, and 451 constraints, problems are : Problem set: 0 solved, 1040 unsolved in 30019 ms.
Refiners :[Positive P Invariants (semi-flows): 431/441 constraints, State Equation: 0/1244 constraints, PredecessorRefiner: 0/1040 constraints, Known Traps: 20/20 constraints]
After SMT, in 60202ms problems are : Problem set: 0 solved, 1040 unsolved
Search for dead transitions found 0 dead transitions in 60210ms
Starting structural reductions in SI_LTL mode, iteration 1 : 1244/2454 places, 1044/2254 transitions.
Finished structural reductions in SI_LTL mode , in 1 iterations and 62147 ms. Remains : 1244/2454 places, 1044/2254 transitions.
Stuttering acceptance computed with spot in 74 ms :[(NOT p1), (NOT p1)]
Running random walk in product with property : ShieldPPPs-PT-040B-LTLFireability-09
Stuttering criterion allowed to conclude after 2780 steps with 0 reset in 30 ms.
FORMULA ShieldPPPs-PT-040B-LTLFireability-09 FALSE TECHNIQUES STUTTER_TEST
Treatment of property ShieldPPPs-PT-040B-LTLFireability-09 finished in 62275 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(!p1)&&p2)))))'
Support contains 4 out of 2454 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 2454/2454 places, 2254/2254 transitions.
Discarding 10 places :
Symmetric choice reduction at 0 with 10 rule applications. Total rules 10 place count 2444 transition count 2244
Iterating global reduction 0 with 10 rules applied. Total rules applied 20 place count 2444 transition count 2244
Applied a total of 20 rules in 199 ms. Remains 2444 /2454 variables (removed 10) and now considering 2244/2254 (removed 10) transitions.
// Phase 1: matrix 2244 rows 2444 cols
[2024-05-29 13:21:25] [INFO ] Computed 441 invariants in 13 ms
[2024-05-29 13:21:26] [INFO ] Implicit Places using invariants in 739 ms returned []
[2024-05-29 13:21:26] [INFO ] Invariant cache hit.
[2024-05-29 13:21:28] [INFO ] Implicit Places using invariants and state equation in 2247 ms returned []
Implicit Place search using SMT with State Equation took 2987 ms to find 0 implicit places.
Running 2243 sub problems to find dead transitions.
[2024-05-29 13:21:28] [INFO ] Invariant cache hit.
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(s2192 timeout
1.0)
(s2193 org.smtlib.IParser$ParserException: Unbalanced parentheses at end of input")
Solver is answering 'unknown', stopping.
After SMT solving in domain Real declared 2443/4688 variables, and 0 constraints, problems are : Problem set: 0 solved, 2243 unsolved in 30039 ms.
Refiners :[Positive P Invariants (semi-flows): 0/441 constraints, State Equation: 0/2444 constraints, PredecessorRefiner: 2243/2243 constraints, Known Traps: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 2243 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 2443/4688 variables, and 0 constraints, problems are : Problem set: 0 solved, 2243 unsolved in 30033 ms.
Refiners :[Positive P Invariants (semi-flows): 0/441 constraints, State Equation: 0/2444 constraints, PredecessorRefiner: 0/2243 constraints, Known Traps: 0/0 constraints]
After SMT, in 60558ms problems are : Problem set: 0 solved, 2243 unsolved
Search for dead transitions found 0 dead transitions in 60577ms
Starting structural reductions in LTL mode, iteration 1 : 2444/2454 places, 2244/2254 transitions.
Finished structural reductions in LTL mode , in 1 iterations and 63767 ms. Remains : 2444/2454 places, 2244/2254 transitions.
Stuttering acceptance computed with spot in 237 ms :[true, (AND (NOT p1) (NOT p2)), (AND (NOT p1) (NOT p2)), (AND (NOT p1) (NOT p2)), p1, false, false]
Running random walk in product with property : ShieldPPPs-PT-040B-LTLFireability-12
Entered a terminal (fully accepting) state of product in 867 steps with 0 reset in 7 ms.
FORMULA ShieldPPPs-PT-040B-LTLFireability-12 FALSE TECHNIQUES STUTTER_TEST
Treatment of property ShieldPPPs-PT-040B-LTLFireability-12 finished in 64038 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(((p1 U (p2||G(p1)))&&p0)))'
Support contains 4 out of 2454 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 2454/2454 places, 2254/2254 transitions.
Discarding 11 places :
Symmetric choice reduction at 0 with 11 rule applications. Total rules 11 place count 2443 transition count 2243
Iterating global reduction 0 with 11 rules applied. Total rules applied 22 place count 2443 transition count 2243
Applied a total of 22 rules in 201 ms. Remains 2443 /2454 variables (removed 11) and now considering 2243/2254 (removed 11) transitions.
// Phase 1: matrix 2243 rows 2443 cols
[2024-05-29 13:22:29] [INFO ] Computed 441 invariants in 15 ms
[2024-05-29 13:22:30] [INFO ] Implicit Places using invariants in 789 ms returned []
[2024-05-29 13:22:30] [INFO ] Invariant cache hit.
[2024-05-29 13:22:32] [INFO ] Implicit Places using invariants and state equation in 2228 ms returned []
Implicit Place search using SMT with State Equation took 3018 ms to find 0 implicit places.
Running 2242 sub problems to find dead transitions.
[2024-05-29 13:22:32] [INFO ] Invariant cache hit.
Error getting values : (error "ParserException while parsing response: ((s1 1.0)
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(s626 timeout
1.0)
(s627 org.smtlib.IParser$ParserException: Unbalanced parentheses at end of input")
Solver is answering 'unknown', stopping.
After SMT solving in domain Real declared 2442/4686 variables, and 0 constraints, problems are : Problem set: 0 solved, 2242 unsolved in 30036 ms.
Refiners :[Positive P Invariants (semi-flows): 0/441 constraints, State Equation: 0/2443 constraints, PredecessorRefiner: 2242/2242 constraints, Known Traps: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 2242 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 2442/4686 variables, and 0 constraints, problems are : Problem set: 0 solved, 2242 unsolved in 30030 ms.
Refiners :[Positive P Invariants (semi-flows): 0/441 constraints, State Equation: 0/2443 constraints, PredecessorRefiner: 0/2242 constraints, Known Traps: 0/0 constraints]
After SMT, in 60555ms problems are : Problem set: 0 solved, 2242 unsolved
Search for dead transitions found 0 dead transitions in 60573ms
Starting structural reductions in LTL mode, iteration 1 : 2443/2454 places, 2243/2254 transitions.
Finished structural reductions in LTL mode , in 1 iterations and 63802 ms. Remains : 2443/2454 places, 2243/2254 transitions.
Stuttering acceptance computed with spot in 137 ms :[true, (OR (NOT p0) (AND (NOT p1) (NOT p2))), (AND (NOT p2) (NOT p1)), (OR (NOT p0) (AND (NOT p1) (NOT p2)))]
Running random walk in product with property : ShieldPPPs-PT-040B-LTLFireability-13
Entered a terminal (fully accepting) state of product in 1 steps with 0 reset in 1 ms.
FORMULA ShieldPPPs-PT-040B-LTLFireability-13 FALSE TECHNIQUES STUTTER_TEST
Treatment of property ShieldPPPs-PT-040B-LTLFireability-13 finished in 63967 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(X((p1&&G(p2))))))'
Support contains 3 out of 2454 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 2454/2454 places, 2254/2254 transitions.
Discarding 11 places :
Symmetric choice reduction at 0 with 11 rule applications. Total rules 11 place count 2443 transition count 2243
Iterating global reduction 0 with 11 rules applied. Total rules applied 22 place count 2443 transition count 2243
Applied a total of 22 rules in 196 ms. Remains 2443 /2454 variables (removed 11) and now considering 2243/2254 (removed 11) transitions.
// Phase 1: matrix 2243 rows 2443 cols
[2024-05-29 13:23:33] [INFO ] Computed 441 invariants in 15 ms
[2024-05-29 13:23:34] [INFO ] Implicit Places using invariants in 740 ms returned []
[2024-05-29 13:23:34] [INFO ] Invariant cache hit.
[2024-05-29 13:23:36] [INFO ] Implicit Places using invariants and state equation in 2133 ms returned []
Implicit Place search using SMT with State Equation took 2874 ms to find 0 implicit places.
Running 2242 sub problems to find dead transitions.
[2024-05-29 13:23:36] [INFO ] Invariant cache hit.
Solver is answering 'unknown', stopping.
After SMT solving in domain Real declared 2442/4686 variables, and 0 constraints, problems are : Problem set: 0 solved, 2242 unsolved in 30031 ms.
Refiners :[Positive P Invariants (semi-flows): 0/441 constraints, State Equation: 0/2443 constraints, PredecessorRefiner: 2242/2242 constraints, Known Traps: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 2242 unsolved
Error getting values : (error "ParserException while parsing response: ((s1 1)
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(s990 timeout
1) org.smtlib.IParser$ParserException: Unbalanced parentheses at end of input")
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 2442/4686 variables, and 0 constraints, problems are : Problem set: 0 solved, 2242 unsolved in 30033 ms.
Refiners :[Positive P Invariants (semi-flows): 0/441 constraints, State Equation: 0/2443 constraints, PredecessorRefiner: 0/2242 constraints, Known Traps: 0/0 constraints]
After SMT, in 60534ms problems are : Problem set: 0 solved, 2242 unsolved
Search for dead transitions found 0 dead transitions in 60554ms
Starting structural reductions in LTL mode, iteration 1 : 2443/2454 places, 2243/2254 transitions.
Finished structural reductions in LTL mode , in 1 iterations and 63630 ms. Remains : 2443/2454 places, 2243/2254 transitions.
Stuttering acceptance computed with spot in 454 ms :[(OR (NOT p1) (NOT p2)), (OR (NOT p1) (NOT p2)), (OR (NOT p1) (NOT p2)), (OR (NOT p1) (NOT p2)), true, (NOT p2), (OR (NOT p2) (NOT p1)), (OR (NOT p2) (NOT p1)), (NOT p2), (NOT p2)]
Running random walk in product with property : ShieldPPPs-PT-040B-LTLFireability-14
Entered a terminal (fully accepting) state of product in 2 steps with 0 reset in 0 ms.
FORMULA ShieldPPPs-PT-040B-LTLFireability-14 FALSE TECHNIQUES STUTTER_TEST
Treatment of property ShieldPPPs-PT-040B-LTLFireability-14 finished in 64112 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 1 out of 2454 places. Attempting structural reductions.
Starting structural reductions in SI_LTL mode, iteration 0 : 2454/2454 places, 2254/2254 transitions.
Reduce places removed 1 places and 1 transitions.
Drop transitions (Trivial Post-Agglo cleanup.) removed 282 transitions
Trivial Post-agglo rules discarded 282 transitions
Performed 282 trivial Post agglomeration. Transition count delta: 282
Iterating post reduction 0 with 282 rules applied. Total rules applied 282 place count 2453 transition count 1971
Reduce places removed 282 places and 0 transitions.
Iterating post reduction 1 with 282 rules applied. Total rules applied 564 place count 2171 transition count 1971
Performed 200 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 2 with 200 Pre rules applied. Total rules applied 564 place count 2171 transition count 1771
Deduced a syphon composed of 200 places in 3 ms
Reduce places removed 200 places and 0 transitions.
Iterating global reduction 2 with 400 rules applied. Total rules applied 964 place count 1971 transition count 1771
Discarding 11 places :
Symmetric choice reduction at 2 with 11 rule applications. Total rules 975 place count 1960 transition count 1760
Iterating global reduction 2 with 11 rules applied. Total rules applied 986 place count 1960 transition count 1760
Performed 6 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 2 with 6 Pre rules applied. Total rules applied 986 place count 1960 transition count 1754
Deduced a syphon composed of 6 places in 4 ms
Reduce places removed 6 places and 0 transitions.
Iterating global reduction 2 with 12 rules applied. Total rules applied 998 place count 1954 transition count 1754
Performed 711 Post agglomeration using F-continuation condition.Transition count delta: 711
Deduced a syphon composed of 711 places in 1 ms
Reduce places removed 711 places and 0 transitions.
Iterating global reduction 2 with 1422 rules applied. Total rules applied 2420 place count 1243 transition count 1043
Renaming transitions due to excessive name length > 1024 char.
Reduce places removed 2 places and 2 transitions.
Iterating global reduction 2 with 2 rules applied. Total rules applied 2422 place count 1241 transition count 1041
Applied a total of 2422 rules in 284 ms. Remains 1241 /2454 variables (removed 1213) and now considering 1041/2254 (removed 1213) transitions.
// Phase 1: matrix 1041 rows 1241 cols
[2024-05-29 13:24:37] [INFO ] Computed 441 invariants in 4 ms
[2024-05-29 13:24:38] [INFO ] Implicit Places using invariants in 494 ms returned []
[2024-05-29 13:24:38] [INFO ] Invariant cache hit.
[2024-05-29 13:24:39] [INFO ] Implicit Places using invariants and state equation in 1057 ms returned []
Implicit Place search using SMT with State Equation took 1553 ms to find 0 implicit places.
[2024-05-29 13:24:39] [INFO ] Redundant transitions in 15 ms returned []
Running 1039 sub problems to find dead transitions.
[2024-05-29 13:24:39] [INFO ] Invariant cache hit.
At refinement iteration 0 (INCLUDED_ONLY) 0/1241 variables, 441/441 constraints. Problems are: Problem set: 0 solved, 1039 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Real declared 1241/2282 variables, and 441 constraints, problems are : Problem set: 0 solved, 1039 unsolved in 30022 ms.
Refiners :[Positive P Invariants (semi-flows): 441/441 constraints, State Equation: 0/1241 constraints, PredecessorRefiner: 1039/1039 constraints, Known Traps: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 1039 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/1241 variables, 441/441 constraints. Problems are: Problem set: 0 solved, 1039 unsolved
[2024-05-29 13:25:26] [INFO ] Deduced a trap composed of 13 places in 30 ms of which 4 ms to minimize.
[2024-05-29 13:25:26] [INFO ] Deduced a trap composed of 28 places in 29 ms of which 1 ms to minimize.
[2024-05-29 13:25:26] [INFO ] Deduced a trap composed of 42 places in 39 ms of which 1 ms to minimize.
[2024-05-29 13:25:26] [INFO ] Deduced a trap composed of 56 places in 41 ms of which 0 ms to minimize.
[2024-05-29 13:25:27] [INFO ] Deduced a trap composed of 73 places in 43 ms of which 1 ms to minimize.
[2024-05-29 13:25:27] [INFO ] Deduced a trap composed of 85 places in 48 ms of which 1 ms to minimize.
[2024-05-29 13:25:27] [INFO ] Deduced a trap composed of 103 places in 54 ms of which 1 ms to minimize.
[2024-05-29 13:25:28] [INFO ] Deduced a trap composed of 113 places in 59 ms of which 1 ms to minimize.
[2024-05-29 13:25:28] [INFO ] Deduced a trap composed of 129 places in 53 ms of which 2 ms to minimize.
[2024-05-29 13:25:28] [INFO ] Deduced a trap composed of 144 places in 66 ms of which 1 ms to minimize.
[2024-05-29 13:25:28] [INFO ] Deduced a trap composed of 159 places in 81 ms of which 1 ms to minimize.
[2024-05-29 13:25:29] [INFO ] Deduced a trap composed of 175 places in 72 ms of which 2 ms to minimize.
[2024-05-29 13:25:29] [INFO ] Deduced a trap composed of 190 places in 69 ms of which 1 ms to minimize.
[2024-05-29 13:25:29] [INFO ] Deduced a trap composed of 206 places in 84 ms of which 2 ms to minimize.
[2024-05-29 13:25:30] [INFO ] Deduced a trap composed of 219 places in 79 ms of which 2 ms to minimize.
[2024-05-29 13:25:30] [INFO ] Deduced a trap composed of 232 places in 88 ms of which 2 ms to minimize.
[2024-05-29 13:25:30] [INFO ] Deduced a trap composed of 252 places in 90 ms of which 2 ms to minimize.
[2024-05-29 13:25:31] [INFO ] Deduced a trap composed of 267 places in 93 ms of which 2 ms to minimize.
[2024-05-29 13:25:31] [INFO ] Deduced a trap composed of 277 places in 100 ms of which 2 ms to minimize.
[2024-05-29 13:25:32] [INFO ] Deduced a trap composed of 293 places in 105 ms of which 2 ms to minimize.
At refinement iteration 1 (INCLUDED_ONLY) 0/1241 variables, 20/461 constraints. Problems are: Problem set: 0 solved, 1039 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 1241/2282 variables, and 461 constraints, problems are : Problem set: 0 solved, 1039 unsolved in 30018 ms.
Refiners :[Positive P Invariants (semi-flows): 441/441 constraints, State Equation: 0/1241 constraints, PredecessorRefiner: 0/1039 constraints, Known Traps: 20/20 constraints]
After SMT, in 60185ms problems are : Problem set: 0 solved, 1039 unsolved
Search for dead transitions found 0 dead transitions in 60193ms
Starting structural reductions in SI_LTL mode, iteration 1 : 1241/2454 places, 1041/2254 transitions.
Finished structural reductions in SI_LTL mode , in 1 iterations and 62052 ms. Remains : 1241/2454 places, 1041/2254 transitions.
Stuttering acceptance computed with spot in 39 ms :[(NOT p0)]
Running random walk in product with property : ShieldPPPs-PT-040B-LTLFireability-15
Product exploration explored 100000 steps with 37 reset in 830 ms.
Product exploration explored 100000 steps with 36 reset in 1017 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 79 ms. Reduced automaton from 1 states, 2 edges and 1 AP (stutter insensitive) to 1 states, 2 edges and 1 AP (stutter insensitive).
Stuttering acceptance computed with spot in 42 ms :[(NOT p0)]
RANDOM walk for 6565 steps (2 resets) in 81 ms. (80 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 80 ms. Reduced automaton from 1 states, 2 edges and 1 AP (stutter insensitive) to 1 states, 2 edges and 1 AP (stutter insensitive).
Stuttering acceptance computed with spot in 31 ms :[(NOT p0)]
Stuttering acceptance computed with spot in 37 ms :[(NOT p0)]
Support contains 1 out of 1241 places. Attempting structural reductions.
Starting structural reductions in SI_LTL mode, iteration 0 : 1241/1241 places, 1041/1041 transitions.
Applied a total of 0 rules in 32 ms. Remains 1241 /1241 variables (removed 0) and now considering 1041/1041 (removed 0) transitions.
[2024-05-29 13:25:41] [INFO ] Invariant cache hit.
[2024-05-29 13:25:42] [INFO ] Implicit Places using invariants in 501 ms returned []
[2024-05-29 13:25:42] [INFO ] Invariant cache hit.
[2024-05-29 13:25:43] [INFO ] Implicit Places using invariants and state equation in 1059 ms returned []
Implicit Place search using SMT with State Equation took 1562 ms to find 0 implicit places.
[2024-05-29 13:25:43] [INFO ] Redundant transitions in 13 ms returned []
Running 1039 sub problems to find dead transitions.
[2024-05-29 13:25:43] [INFO ] Invariant cache hit.
At refinement iteration 0 (INCLUDED_ONLY) 0/1241 variables, 441/441 constraints. Problems are: Problem set: 0 solved, 1039 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Real declared 1241/2282 variables, and 441 constraints, problems are : Problem set: 0 solved, 1039 unsolved in 30024 ms.
Refiners :[Positive P Invariants (semi-flows): 441/441 constraints, State Equation: 0/1241 constraints, PredecessorRefiner: 1039/1039 constraints, Known Traps: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 1039 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/1241 variables, 441/441 constraints. Problems are: Problem set: 0 solved, 1039 unsolved
[2024-05-29 13:26:30] [INFO ] Deduced a trap composed of 13 places in 30 ms of which 0 ms to minimize.
[2024-05-29 13:26:31] [INFO ] Deduced a trap composed of 28 places in 31 ms of which 0 ms to minimize.
[2024-05-29 13:26:31] [INFO ] Deduced a trap composed of 42 places in 36 ms of which 1 ms to minimize.
[2024-05-29 13:26:31] [INFO ] Deduced a trap composed of 56 places in 32 ms of which 1 ms to minimize.
[2024-05-29 13:26:31] [INFO ] Deduced a trap composed of 73 places in 48 ms of which 0 ms to minimize.
[2024-05-29 13:26:32] [INFO ] Deduced a trap composed of 85 places in 48 ms of which 1 ms to minimize.
[2024-05-29 13:26:32] [INFO ] Deduced a trap composed of 103 places in 56 ms of which 1 ms to minimize.
[2024-05-29 13:26:32] [INFO ] Deduced a trap composed of 113 places in 57 ms of which 2 ms to minimize.
[2024-05-29 13:26:32] [INFO ] Deduced a trap composed of 129 places in 53 ms of which 1 ms to minimize.
[2024-05-29 13:26:33] [INFO ] Deduced a trap composed of 144 places in 66 ms of which 2 ms to minimize.
[2024-05-29 13:26:33] [INFO ] Deduced a trap composed of 159 places in 70 ms of which 1 ms to minimize.
[2024-05-29 13:26:33] [INFO ] Deduced a trap composed of 175 places in 73 ms of which 1 ms to minimize.
[2024-05-29 13:26:34] [INFO ] Deduced a trap composed of 190 places in 79 ms of which 1 ms to minimize.
[2024-05-29 13:26:34] [INFO ] Deduced a trap composed of 206 places in 72 ms of which 1 ms to minimize.
[2024-05-29 13:26:34] [INFO ] Deduced a trap composed of 219 places in 86 ms of which 1 ms to minimize.
[2024-05-29 13:26:35] [INFO ] Deduced a trap composed of 232 places in 92 ms of which 2 ms to minimize.
[2024-05-29 13:26:35] [INFO ] Deduced a trap composed of 252 places in 94 ms of which 2 ms to minimize.
[2024-05-29 13:26:35] [INFO ] Deduced a trap composed of 267 places in 91 ms of which 2 ms to minimize.
[2024-05-29 13:26:36] [INFO ] Deduced a trap composed of 277 places in 100 ms of which 2 ms to minimize.
[2024-05-29 13:26:36] [INFO ] Deduced a trap composed of 293 places in 109 ms of which 3 ms to minimize.
At refinement iteration 1 (INCLUDED_ONLY) 0/1241 variables, 20/461 constraints. Problems are: Problem set: 0 solved, 1039 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 1241/2282 variables, and 461 constraints, problems are : Problem set: 0 solved, 1039 unsolved in 30021 ms.
Refiners :[Positive P Invariants (semi-flows): 441/441 constraints, State Equation: 0/1241 constraints, PredecessorRefiner: 0/1039 constraints, Known Traps: 20/20 constraints]
After SMT, in 60191ms problems are : Problem set: 0 solved, 1039 unsolved
Search for dead transitions found 0 dead transitions in 60202ms
Finished structural reductions in SI_LTL mode , in 1 iterations and 61818 ms. Remains : 1241/1241 places, 1041/1041 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 71 ms. Reduced automaton from 1 states, 2 edges and 1 AP (stutter insensitive) to 1 states, 2 edges and 1 AP (stutter insensitive).
Stuttering acceptance computed with spot in 32 ms :[(NOT p0)]
RANDOM walk for 12457 steps (4 resets) in 138 ms. (89 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 111 ms. Reduced automaton from 1 states, 2 edges and 1 AP (stutter insensitive) to 1 states, 2 edges and 1 AP (stutter insensitive).
Stuttering acceptance computed with spot in 33 ms :[(NOT p0)]
Stuttering acceptance computed with spot in 25 ms :[(NOT p0)]
Stuttering acceptance computed with spot in 32 ms :[(NOT p0)]
Product exploration explored 100000 steps with 37 reset in 850 ms.
Product exploration explored 100000 steps with 37 reset in 1041 ms.
Support contains 1 out of 1241 places. Attempting structural reductions.
Starting structural reductions in SI_LTL mode, iteration 0 : 1241/1241 places, 1041/1041 transitions.
Applied a total of 0 rules in 28 ms. Remains 1241 /1241 variables (removed 0) and now considering 1041/1041 (removed 0) transitions.
[2024-05-29 13:26:46] [INFO ] Invariant cache hit.
[2024-05-29 13:26:46] [INFO ] Implicit Places using invariants in 531 ms returned []
[2024-05-29 13:26:46] [INFO ] Invariant cache hit.
[2024-05-29 13:26:47] [INFO ] Implicit Places using invariants and state equation in 1091 ms returned []
Implicit Place search using SMT with State Equation took 1623 ms to find 0 implicit places.
[2024-05-29 13:26:47] [INFO ] Redundant transitions in 12 ms returned []
Running 1039 sub problems to find dead transitions.
[2024-05-29 13:26:47] [INFO ] Invariant cache hit.
At refinement iteration 0 (INCLUDED_ONLY) 0/1241 variables, 441/441 constraints. Problems are: Problem set: 0 solved, 1039 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Real declared 1241/2282 variables, and 441 constraints, problems are : Problem set: 0 solved, 1039 unsolved in 30022 ms.
Refiners :[Positive P Invariants (semi-flows): 441/441 constraints, State Equation: 0/1241 constraints, PredecessorRefiner: 1039/1039 constraints, Known Traps: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 1039 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/1241 variables, 441/441 constraints. Problems are: Problem set: 0 solved, 1039 unsolved
[2024-05-29 13:27:34] [INFO ] Deduced a trap composed of 13 places in 28 ms of which 1 ms to minimize.
[2024-05-29 13:27:35] [INFO ] Deduced a trap composed of 28 places in 32 ms of which 1 ms to minimize.
[2024-05-29 13:27:35] [INFO ] Deduced a trap composed of 42 places in 32 ms of which 0 ms to minimize.
[2024-05-29 13:27:35] [INFO ] Deduced a trap composed of 56 places in 36 ms of which 1 ms to minimize.
[2024-05-29 13:27:35] [INFO ] Deduced a trap composed of 73 places in 46 ms of which 1 ms to minimize.
[2024-05-29 13:27:36] [INFO ] Deduced a trap composed of 85 places in 46 ms of which 0 ms to minimize.
[2024-05-29 13:27:36] [INFO ] Deduced a trap composed of 103 places in 47 ms of which 1 ms to minimize.
[2024-05-29 13:27:36] [INFO ] Deduced a trap composed of 113 places in 50 ms of which 1 ms to minimize.
[2024-05-29 13:27:36] [INFO ] Deduced a trap composed of 129 places in 59 ms of which 2 ms to minimize.
[2024-05-29 13:27:37] [INFO ] Deduced a trap composed of 144 places in 65 ms of which 1 ms to minimize.
[2024-05-29 13:27:37] [INFO ] Deduced a trap composed of 159 places in 70 ms of which 1 ms to minimize.
[2024-05-29 13:27:37] [INFO ] Deduced a trap composed of 175 places in 74 ms of which 2 ms to minimize.
[2024-05-29 13:27:38] [INFO ] Deduced a trap composed of 190 places in 76 ms of which 2 ms to minimize.
[2024-05-29 13:27:38] [INFO ] Deduced a trap composed of 206 places in 80 ms of which 2 ms to minimize.
[2024-05-29 13:27:38] [INFO ] Deduced a trap composed of 219 places in 82 ms of which 2 ms to minimize.
[2024-05-29 13:27:39] [INFO ] Deduced a trap composed of 232 places in 88 ms of which 2 ms to minimize.
[2024-05-29 13:27:39] [INFO ] Deduced a trap composed of 252 places in 93 ms of which 2 ms to minimize.
[2024-05-29 13:27:40] [INFO ] Deduced a trap composed of 267 places in 102 ms of which 3 ms to minimize.
[2024-05-29 13:27:40] [INFO ] Deduced a trap composed of 277 places in 103 ms of which 2 ms to minimize.
[2024-05-29 13:27:40] [INFO ] Deduced a trap composed of 293 places in 106 ms of which 3 ms to minimize.
At refinement iteration 1 (INCLUDED_ONLY) 0/1241 variables, 20/461 constraints. Problems are: Problem set: 0 solved, 1039 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 1241/2282 variables, and 461 constraints, problems are : Problem set: 0 solved, 1039 unsolved in 30027 ms.
Refiners :[Positive P Invariants (semi-flows): 441/441 constraints, State Equation: 0/1241 constraints, PredecessorRefiner: 0/1039 constraints, Known Traps: 20/20 constraints]
After SMT, in 60201ms problems are : Problem set: 0 solved, 1039 unsolved
Search for dead transitions found 0 dead transitions in 60210ms
Finished structural reductions in SI_LTL mode , in 1 iterations and 61882 ms. Remains : 1241/1241 places, 1041/1041 transitions.
Treatment of property ShieldPPPs-PT-040B-LTLFireability-15 finished in 190348 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||(p1 U p2)))||(X(G(p3))&&G(p1))))'
Found a Lengthening insensitive property : ShieldPPPs-PT-040B-LTLFireability-00
Stuttering acceptance computed with spot in 141 ms :[(OR (AND (NOT p0) (NOT p1) (NOT p2)) (AND (NOT p0) (NOT p2) (NOT p3))), (OR (AND (NOT p0) (NOT p1) (NOT p2)) (AND (NOT p0) (NOT p2) (NOT p3))), (AND (NOT p0) (NOT p2))]
Support contains 4 out of 2454 places. Attempting structural reductions.
Starting structural reductions in LI_LTL mode, iteration 0 : 2454/2454 places, 2254/2254 transitions.
Reduce places removed 1 places and 1 transitions.
Drop transitions (Trivial Post-Agglo cleanup.) removed 280 transitions
Trivial Post-agglo rules discarded 280 transitions
Performed 280 trivial Post agglomeration. Transition count delta: 280
Iterating post reduction 0 with 280 rules applied. Total rules applied 280 place count 2453 transition count 1973
Reduce places removed 280 places and 0 transitions.
Iterating post reduction 1 with 280 rules applied. Total rules applied 560 place count 2173 transition count 1973
Performed 199 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 2 with 199 Pre rules applied. Total rules applied 560 place count 2173 transition count 1774
Deduced a syphon composed of 199 places in 4 ms
Reduce places removed 199 places and 0 transitions.
Iterating global reduction 2 with 398 rules applied. Total rules applied 958 place count 1974 transition count 1774
Discarding 9 places :
Symmetric choice reduction at 2 with 9 rule applications. Total rules 967 place count 1965 transition count 1765
Iterating global reduction 2 with 9 rules applied. Total rules applied 976 place count 1965 transition count 1765
Performed 4 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 2 with 4 Pre rules applied. Total rules applied 976 place count 1965 transition count 1761
Deduced a syphon composed of 4 places in 3 ms
Reduce places removed 4 places and 0 transitions.
Iterating global reduction 2 with 8 rules applied. Total rules applied 984 place count 1961 transition count 1761
Performed 712 Post agglomeration using F-continuation condition.Transition count delta: 712
Deduced a syphon composed of 712 places in 1 ms
Reduce places removed 712 places and 0 transitions.
Iterating global reduction 2 with 1424 rules applied. Total rules applied 2408 place count 1249 transition count 1049
Renaming transitions due to excessive name length > 1024 char.
Reduce places removed 2 places and 2 transitions.
Iterating global reduction 2 with 2 rules applied. Total rules applied 2410 place count 1247 transition count 1047
Applied a total of 2410 rules in 297 ms. Remains 1247 /2454 variables (removed 1207) and now considering 1047/2254 (removed 1207) transitions.
// Phase 1: matrix 1047 rows 1247 cols
[2024-05-29 13:27:48] [INFO ] Computed 441 invariants in 5 ms
[2024-05-29 13:27:49] [INFO ] Implicit Places using invariants in 512 ms returned []
[2024-05-29 13:27:49] [INFO ] Invariant cache hit.
[2024-05-29 13:27:50] [INFO ] Implicit Places using invariants and state equation in 1120 ms returned []
Implicit Place search using SMT with State Equation took 1632 ms to find 0 implicit places.
Running 1042 sub problems to find dead transitions.
[2024-05-29 13:27:50] [INFO ] Invariant cache hit.
At refinement iteration 0 (INCLUDED_ONLY) 0/1244 variables, 420/420 constraints. Problems are: Problem set: 0 solved, 1042 unsolved
Error getting values : (error "Error writing to Z3 solver: java.io.IOException: Broken pipe")
Solver is answering 'unknown', stopping.
After SMT solving in domain Real declared 1244/2294 variables, and 420 constraints, problems are : Problem set: 0 solved, 1042 unsolved in 30020 ms.
Refiners :[Positive P Invariants (semi-flows): 420/441 constraints, State Equation: 0/1247 constraints, PredecessorRefiner: 1042/1042 constraints, Known Traps: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 1042 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/1244 variables, 420/420 constraints. Problems are: Problem set: 0 solved, 1042 unsolved
[2024-05-29 13:28:35] [INFO ] Deduced a trap composed of 13 places in 28 ms of which 0 ms to minimize.
[2024-05-29 13:28:35] [INFO ] Deduced a trap composed of 28 places in 32 ms of which 0 ms to minimize.
[2024-05-29 13:28:35] [INFO ] Deduced a trap composed of 42 places in 38 ms of which 1 ms to minimize.
[2024-05-29 13:28:35] [INFO ] Deduced a trap composed of 56 places in 41 ms of which 0 ms to minimize.
[2024-05-29 13:28:36] [INFO ] Deduced a trap composed of 73 places in 43 ms of which 1 ms to minimize.
[2024-05-29 13:28:36] [INFO ] Deduced a trap composed of 85 places in 44 ms of which 1 ms to minimize.
At refinement iteration 1 (INCLUDED_ONLY) 0/1244 variables, 6/426 constraints. Problems are: Problem set: 0 solved, 1042 unsolved
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timeout
( org.smtlib.IParser$ParserException: Unbalanced parentheses at end of input")
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 1244/2294 variables, and 426 constraints, problems are : Problem set: 0 solved, 1042 unsolved in 30021 ms.
Refiners :[Positive P Invariants (semi-flows): 420/441 constraints, State Equation: 0/1247 constraints, PredecessorRefiner: 0/1042 constraints, Known Traps: 6/6 constraints]
After SMT, in 60192ms problems are : Problem set: 0 solved, 1042 unsolved
Search for dead transitions found 0 dead transitions in 60201ms
Starting structural reductions in LI_LTL mode, iteration 1 : 1247/2454 places, 1047/2254 transitions.
Finished structural reductions in LI_LTL mode , in 1 iterations and 62134 ms. Remains : 1247/2454 places, 1047/2254 transitions.
Running random walk in product with property : ShieldPPPs-PT-040B-LTLFireability-00
Product exploration explored 100000 steps with 28299 reset in 663 ms.
Product exploration explored 100000 steps with 28080 reset in 807 ms.
Computed a total of 6 stabilizing places and 6 stable transitions
Computed a total of 6 stabilizing places and 6 stable transitions
Detected a total of 6/1247 stabilizing places and 6/1047 transitions leading to convergence knowledge of the form 'F(Gp|G!p)' for 3/4 atomic propositions.
Knowledge obtained : [(AND (NOT p0) (NOT p2) (NOT p1) (NOT p3)), (X (NOT p3)), (X (NOT (AND (NOT p0) (NOT p2) p1 p3))), (X (X (NOT p3))), (X (X (NOT (AND (NOT p0) (NOT p2) p1 p3)))), (F (OR (G p0) (G (NOT p0)))), (F (OR (G p2) (G (NOT p2)))), (F (OR (G p1) (G (NOT p1))))]
False Knowledge obtained : [(X p2), (X (NOT p2)), (X (AND (NOT p0) (NOT p2))), (X (NOT (AND (NOT p0) (NOT p2)))), (X (OR (AND (NOT p0) (NOT p2) (NOT p1)) (AND (NOT p0) (NOT p2) (NOT p3)))), (X (NOT (OR (AND (NOT p0) (NOT p2) (NOT p1)) (AND (NOT p0) (NOT p2) (NOT p3))))), (X p0), (X (NOT p0)), (X p1), (X (NOT p1)), (X (X p2)), (X (X (NOT p2))), (X (X (AND (NOT p0) (NOT p2)))), (X (X (NOT (AND (NOT p0) (NOT p2))))), (X (X (OR (AND (NOT p0) (NOT p2) (NOT p1)) (AND (NOT p0) (NOT p2) (NOT p3))))), (X (X (NOT (OR (AND (NOT p0) (NOT p2) (NOT p1)) (AND (NOT p0) (NOT p2) (NOT p3)))))), (X (X p0)), (X (X (NOT p0))), (X (X p1)), (X (X (NOT p1)))]
Knowledge sufficient to adopt a stutter insensitive property.
Knowledge based reduction with 8 factoid took 1365 ms. Reduced automaton from 3 states, 5 edges and 4 AP (stutter sensitive) to 5 states, 11 edges and 2 AP (stutter insensitive).
Stuttering acceptance computed with spot in 176 ms :[(AND (NOT p0) (NOT p2)), (AND (NOT p0) (NOT p2)), (AND (NOT p0) (NOT p2)), (AND (NOT p0) (NOT p2)), (AND (NOT p0) (NOT p2))]
RANDOM walk for 13752 steps (5 resets) in 141 ms. (96 steps per ms) remains 0/6 properties
Knowledge obtained : [(AND (NOT p0) (NOT p2) (NOT p1) (NOT p3)), (X (NOT p3)), (X (NOT (AND (NOT p0) (NOT p2) p1 p3))), (X (X (NOT p3))), (X (X (NOT (AND (NOT p0) (NOT p2) p1 p3)))), (F (OR (G p0) (G (NOT p0)))), (F (OR (G p2) (G (NOT p2)))), (F (OR (G p1) (G (NOT p1))))]
False Knowledge obtained : [(X p2), (X (NOT p2)), (X (AND (NOT p0) (NOT p2))), (X (NOT (AND (NOT p0) (NOT p2)))), (X (OR (AND (NOT p0) (NOT p2) (NOT p1)) (AND (NOT p0) (NOT p2) (NOT p3)))), (X (NOT (OR (AND (NOT p0) (NOT p2) (NOT p1)) (AND (NOT p0) (NOT p2) (NOT p3))))), (X p0), (X (NOT p0)), (X p1), (X (NOT p1)), (X (X p2)), (X (X (NOT p2))), (X (X (AND (NOT p0) (NOT p2)))), (X (X (NOT (AND (NOT p0) (NOT p2))))), (X (X (OR (AND (NOT p0) (NOT p2) (NOT p1)) (AND (NOT p0) (NOT p2) (NOT p3))))), (X (X (NOT (OR (AND (NOT p0) (NOT p2) (NOT p1)) (AND (NOT p0) (NOT p2) (NOT p3)))))), (X (X p0)), (X (X (NOT p0))), (X (X p1)), (X (X (NOT p1))), (F (NOT (OR (NOT p0) p2))), (F (NOT (OR p0 (NOT p2)))), (F p0), (F p2), (F (NOT (AND (NOT p0) (NOT p2)))), (F (NOT (OR (NOT p0) (NOT p2))))]
Knowledge based reduction with 8 factoid took 1731 ms. Reduced automaton from 5 states, 11 edges and 2 AP (stutter insensitive) to 5 states, 11 edges and 2 AP (stutter insensitive).
Stuttering acceptance computed with spot in 183 ms :[(AND (NOT p0) (NOT p2)), (AND (NOT p0) (NOT p2)), (AND (NOT p0) (NOT p2)), (AND (NOT p0) (NOT p2)), (AND (NOT p0) (NOT p2))]
Stuttering acceptance computed with spot in 194 ms :[(AND (NOT p0) (NOT p2)), (AND (NOT p0) (NOT p2)), (AND (NOT p0) (NOT p2)), (AND (NOT p0) (NOT p2)), (AND (NOT p0) (NOT p2))]
[2024-05-29 13:28:55] [INFO ] Invariant cache hit.
[2024-05-29 13:28:56] [INFO ] [Real]Absence check using 441 positive place invariants in 253 ms returned sat
[2024-05-29 13:29:00] [INFO ] [Real]Absence check using state equation in 3676 ms returned sat
[2024-05-29 13:29:00] [INFO ] Solution in real domain found non-integer solution.
[2024-05-29 13:29:01] [INFO ] [Nat]Absence check using 441 positive place invariants in 230 ms returned sat
[2024-05-29 13:29:03] [INFO ] [Nat]Absence check using state equation in 2471 ms returned sat
[2024-05-29 13:29:03] [INFO ] Deduced a trap composed of 8 places in 35 ms of which 1 ms to minimize.
[2024-05-29 13:29:03] [INFO ] Deduced a trap composed of 8 places in 27 ms of which 0 ms to minimize.
[2024-05-29 13:29:03] [INFO ] Deduced a trap composed of 6 places in 24 ms of which 1 ms to minimize.
[2024-05-29 13:29:04] [INFO ] Trap strengthening (SAT) tested/added 4/3 trap constraints in 278 ms
[2024-05-29 13:29:04] [INFO ] Computed and/alt/rep : 1042/2037/1042 causal constraints (skipped 0 transitions) in 49 ms.
[2024-05-29 13:29:15] [INFO ] Added : 565 causal constraints over 113 iterations in 11314 ms. Result :unknown
Could not prove EG (AND (NOT p0) (NOT p2))
Support contains 2 out of 1247 places. Attempting structural reductions.
Property had overlarge support with respect to TGBA, discarding it for now.
Starting structural reductions in SI_LTL mode, iteration 0 : 1247/1247 places, 1047/1047 transitions.
Applied a total of 0 rules in 34 ms. Remains 1247 /1247 variables (removed 0) and now considering 1047/1047 (removed 0) transitions.
[2024-05-29 13:29:15] [INFO ] Invariant cache hit.
[2024-05-29 13:29:15] [INFO ] Implicit Places using invariants in 513 ms returned []
[2024-05-29 13:29:15] [INFO ] Invariant cache hit.
[2024-05-29 13:29:16] [INFO ] Implicit Places using invariants and state equation in 1099 ms returned []
Implicit Place search using SMT with State Equation took 1614 ms to find 0 implicit places.
[2024-05-29 13:29:17] [INFO ] Redundant transitions in 15 ms returned []
Running 1042 sub problems to find dead transitions.
[2024-05-29 13:29:17] [INFO ] Invariant cache hit.
At refinement iteration 0 (INCLUDED_ONLY) 0/1244 variables, 420/420 constraints. Problems are: Problem set: 0 solved, 1042 unsolved
Error getting values : (error "Error writing to Z3 solver: java.io.IOException: Broken pipe")
Solver is answering 'unknown', stopping.
After SMT solving in domain Real declared 1244/2294 variables, and 420 constraints, problems are : Problem set: 0 solved, 1042 unsolved in 30017 ms.
Refiners :[Positive P Invariants (semi-flows): 420/441 constraints, State Equation: 0/1247 constraints, PredecessorRefiner: 1042/1042 constraints, Known Traps: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 1042 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/1244 variables, 420/420 constraints. Problems are: Problem set: 0 solved, 1042 unsolved
[2024-05-29 13:30:02] [INFO ] Deduced a trap composed of 13 places in 29 ms of which 0 ms to minimize.
[2024-05-29 13:30:02] [INFO ] Deduced a trap composed of 28 places in 36 ms of which 0 ms to minimize.
[2024-05-29 13:30:02] [INFO ] Deduced a trap composed of 42 places in 36 ms of which 0 ms to minimize.
[2024-05-29 13:30:02] [INFO ] Deduced a trap composed of 56 places in 41 ms of which 1 ms to minimize.
[2024-05-29 13:30:03] [INFO ] Deduced a trap composed of 73 places in 42 ms of which 1 ms to minimize.
[2024-05-29 13:30:03] [INFO ] Deduced a trap composed of 85 places in 52 ms of which 1 ms to minimize.
At refinement iteration 1 (INCLUDED_ONLY) 0/1244 variables, 6/426 constraints. Problems are: Problem set: 0 solved, 1042 unsolved
Error getting values : (error "ParserException while parsing response: (timeout
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(s421 org.smtlib.IParser$ParserException: Unbalanced parentheses at end of input")
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 1244/2294 variables, and 426 constraints, problems are : Problem set: 0 solved, 1042 unsolved in 30026 ms.
Refiners :[Positive P Invariants (semi-flows): 420/441 constraints, State Equation: 0/1247 constraints, PredecessorRefiner: 0/1042 constraints, Known Traps: 6/6 constraints]
After SMT, in 60208ms problems are : Problem set: 0 solved, 1042 unsolved
Search for dead transitions found 0 dead transitions in 60217ms
Finished structural reductions in SI_LTL mode , in 1 iterations and 61887 ms. Remains : 1247/1247 places, 1047/1047 transitions.
Computed a total of 6 stabilizing places and 6 stable transitions
Computed a total of 6 stabilizing places and 6 stable transitions
Detected a total of 6/1247 stabilizing places and 6/1047 transitions leading to convergence knowledge of the form 'F(Gp|G!p)' for 2/2 atomic propositions.
Knowledge obtained : [(AND (NOT p0) (NOT p2)), (X (NOT (AND p0 p2))), (F (OR (G p0) (G (NOT p0)))), (F (OR (G p2) (G (NOT p2))))]
False Knowledge obtained : [(X p2), (X (NOT p2)), (X (AND (NOT p0) (NOT p2))), (X (NOT (AND (NOT p0) (NOT p2)))), (X (AND (NOT p0) p2)), (X (NOT (AND (NOT p0) p2))), (X (AND p0 (NOT p2))), (X (NOT (AND p0 (NOT p2)))), (X p0), (X (NOT p0)), (X (X p2)), (X (X (NOT p2))), (X (X (AND p0 p2))), (X (X (NOT (AND p0 p2)))), (X (X (AND (NOT p0) (NOT p2)))), (X (X (NOT (AND (NOT p0) (NOT p2))))), (X (X (AND (NOT p0) p2))), (X (X (NOT (AND (NOT p0) p2)))), (X (X (AND p0 (NOT p2)))), (X (X (NOT (AND p0 (NOT p2))))), (X (X p0)), (X (X (NOT p0)))]
Knowledge based reduction with 4 factoid took 821 ms. Reduced automaton from 5 states, 11 edges and 2 AP (stutter insensitive) to 5 states, 11 edges and 2 AP (stutter insensitive).
Stuttering acceptance computed with spot in 172 ms :[(AND (NOT p0) (NOT p2)), (AND (NOT p0) (NOT p2)), (AND (NOT p0) (NOT p2)), (AND (NOT p0) (NOT p2)), (AND (NOT p0) (NOT p2))]
RANDOM walk for 16607 steps (6 resets) in 160 ms. (103 steps per ms) remains 0/6 properties
Knowledge obtained : [(AND (NOT p0) (NOT p2)), (X (NOT (AND p0 p2))), (F (OR (G p0) (G (NOT p0)))), (F (OR (G p2) (G (NOT p2))))]
False Knowledge obtained : [(X p2), (X (NOT p2)), (X (AND (NOT p0) (NOT p2))), (X (NOT (AND (NOT p0) (NOT p2)))), (X (AND (NOT p0) p2)), (X (NOT (AND (NOT p0) p2))), (X (AND p0 (NOT p2))), (X (NOT (AND p0 (NOT p2)))), (X p0), (X (NOT p0)), (X (X p2)), (X (X (NOT p2))), (X (X (AND p0 p2))), (X (X (NOT (AND p0 p2)))), (X (X (AND (NOT p0) (NOT p2)))), (X (X (NOT (AND (NOT p0) (NOT p2))))), (X (X (AND (NOT p0) p2))), (X (X (NOT (AND (NOT p0) p2)))), (X (X (AND p0 (NOT p2)))), (X (X (NOT (AND p0 (NOT p2))))), (X (X p0)), (X (X (NOT p0))), (F (NOT (OR (NOT p0) p2))), (F (NOT (OR p0 (NOT p2)))), (F p0), (F p2), (F (NOT (AND (NOT p0) (NOT p2)))), (F (NOT (OR (NOT p0) (NOT p2))))]
Knowledge based reduction with 4 factoid took 1044 ms. Reduced automaton from 5 states, 11 edges and 2 AP (stutter insensitive) to 5 states, 11 edges and 2 AP (stutter insensitive).
Stuttering acceptance computed with spot in 187 ms :[(AND (NOT p0) (NOT p2)), (AND (NOT p0) (NOT p2)), (AND (NOT p0) (NOT p2)), (AND (NOT p0) (NOT p2)), (AND (NOT p0) (NOT p2))]
Stuttering acceptance computed with spot in 191 ms :[(AND (NOT p0) (NOT p2)), (AND (NOT p0) (NOT p2)), (AND (NOT p0) (NOT p2)), (AND (NOT p0) (NOT p2)), (AND (NOT p0) (NOT p2))]
[2024-05-29 13:30:19] [INFO ] Invariant cache hit.
[2024-05-29 13:30:20] [INFO ] [Real]Absence check using 441 positive place invariants in 248 ms returned sat
[2024-05-29 13:30:24] [INFO ] [Real]Absence check using state equation in 3694 ms returned sat
[2024-05-29 13:30:24] [INFO ] Solution in real domain found non-integer solution.
[2024-05-29 13:30:25] [INFO ] [Nat]Absence check using 441 positive place invariants in 240 ms returned sat
[2024-05-29 13:30:27] [INFO ] [Nat]Absence check using state equation in 2489 ms returned sat
[2024-05-29 13:30:27] [INFO ] Deduced a trap composed of 8 places in 34 ms of which 1 ms to minimize.
[2024-05-29 13:30:28] [INFO ] Deduced a trap composed of 8 places in 34 ms of which 1 ms to minimize.
[2024-05-29 13:30:28] [INFO ] Deduced a trap composed of 6 places in 24 ms of which 0 ms to minimize.
[2024-05-29 13:30:28] [INFO ] Trap strengthening (SAT) tested/added 4/3 trap constraints in 286 ms
[2024-05-29 13:30:28] [INFO ] Computed and/alt/rep : 1042/2037/1042 causal constraints (skipped 0 transitions) in 50 ms.
java.lang.RuntimeException: SMT solver raised an error when submitting script. Raised (error "Failed to assert expression: java.io.IOException: Broken pipe ...
at fr.lip6.move.gal.structural.smt.SMTUtils.execAndCheckResult(SMTUtils.java:299)
at fr.lip6.move.gal.structural.smt.DeadlockTester.refineWithCausalOrder(DeadlockTester.java:1137)
at fr.lip6.move.gal.structural.smt.DeadlockTester.verifyPossible(DeadlockTester.java:875)
at fr.lip6.move.gal.structural.smt.DeadlockTester.testEGap(DeadlockTester.java:587)
at fr.lip6.move.gal.application.solver.ltl.LTLPropertySolver.computeEGknowledge(LTLPropertySolver.java:619)
at fr.lip6.move.gal.application.solver.ltl.LTLPropertySolver.applyKnowledgeBasedReductions(LTLPropertySolver.java:581)
at fr.lip6.move.gal.application.solver.ltl.LTLPropertySolver.checkLTLProperty(LTLPropertySolver.java:262)
at fr.lip6.move.gal.application.solver.ltl.LTLLengthAwareSolver.runSLCLLTLTest(LTLLengthAwareSolver.java:100)
at fr.lip6.move.gal.application.Application.startNoEx(Application.java:960)
at fr.lip6.move.gal.application.Application.start(Application.java:189)
at fr.lip6.move.gal.itscl.application.Application.start(Application.java:45)
at org.eclipse.equinox.internal.app.EclipseAppHandle.run(EclipseAppHandle.java:208)
at org.eclipse.core.runtime.internal.adaptor.EclipseAppLauncher.runApplication(EclipseAppLauncher.java:136)
at org.eclipse.core.runtime.internal.adaptor.EclipseAppLauncher.start(EclipseAppLauncher.java:104)
at org.eclipse.core.runtime.adaptor.EclipseStarter.run(EclipseStarter.java:402)
at org.eclipse.core.runtime.adaptor.EclipseStarter.run(EclipseStarter.java:255)
at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:77)
at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
at java.base/java.lang.reflect.Method.invoke(Method.java:568)
at org.eclipse.equinox.launcher.Main.invokeFramework(Main.java:651)
at org.eclipse.equinox.launcher.Main.basicRun(Main.java:588)
at org.eclipse.equinox.launcher.Main.run(Main.java:1459)
at org.eclipse.equinox.launcher.Main.main(Main.java:1432)
[2024-05-29 13:30:39] [WARNING] SMT solver failed with error :java.lang.RuntimeException: SMT solver raised an error when submitting script. Raised (error "Failed to assert expression: java.io.IOException: Broken pipe ... while checking expression EG (AND (NOT p0) (NOT p2))
Could not prove EG (AND (NOT p0) (NOT p2))
Stuttering acceptance computed with spot in 158 ms :[(AND (NOT p0) (NOT p2)), (AND (NOT p0) (NOT p2)), (AND (NOT p0) (NOT p2)), (AND (NOT p0) (NOT p2)), (AND (NOT p0) (NOT p2))]
Product exploration explored 100000 steps with 28214 reset in 655 ms.
Product exploration explored 100000 steps with 28208 reset in 798 ms.
Support contains 2 out of 1247 places. Attempting structural reductions.
Starting structural reductions in SI_LTL mode, iteration 0 : 1247/1247 places, 1047/1047 transitions.
Reduce places removed 1 places and 1 transitions.
Performed 1 Post agglomeration using F-continuation condition.Transition count delta: 1
Deduced a syphon composed of 1 places in 1 ms
Reduce places removed 1 places and 0 transitions.
Iterating global reduction 0 with 2 rules applied. Total rules applied 2 place count 1245 transition count 1045
Reduce places removed 1 places and 1 transitions.
Iterating global reduction 0 with 1 rules applied. Total rules applied 3 place count 1244 transition count 1044
Applied a total of 3 rules in 83 ms. Remains 1244 /1247 variables (removed 3) and now considering 1044/1047 (removed 3) transitions.
// Phase 1: matrix 1044 rows 1244 cols
[2024-05-29 13:30:41] [INFO ] Computed 441 invariants in 5 ms
[2024-05-29 13:30:41] [INFO ] Implicit Places using invariants in 529 ms returned []
[2024-05-29 13:30:41] [INFO ] Invariant cache hit.
[2024-05-29 13:30:42] [INFO ] Implicit Places using invariants and state equation in 1069 ms returned []
Implicit Place search using SMT with State Equation took 1599 ms to find 0 implicit places.
[2024-05-29 13:30:42] [INFO ] Redundant transitions in 14 ms returned []
Running 1040 sub problems to find dead transitions.
[2024-05-29 13:30:42] [INFO ] Invariant cache hit.
At refinement iteration 0 (INCLUDED_ONLY) 0/1242 variables, 421/421 constraints. Problems are: Problem set: 0 solved, 1040 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Real declared 1242/2288 variables, and 421 constraints, problems are : Problem set: 0 solved, 1040 unsolved in 30028 ms.
Refiners :[Positive P Invariants (semi-flows): 421/441 constraints, State Equation: 0/1244 constraints, PredecessorRefiner: 1040/1040 constraints, Known Traps: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 1040 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/1242 variables, 421/421 constraints. Problems are: Problem set: 0 solved, 1040 unsolved
[2024-05-29 13:31:27] [INFO ] Deduced a trap composed of 13 places in 27 ms of which 0 ms to minimize.
[2024-05-29 13:31:27] [INFO ] Deduced a trap composed of 28 places in 25 ms of which 0 ms to minimize.
[2024-05-29 13:31:27] [INFO ] Deduced a trap composed of 42 places in 38 ms of which 0 ms to minimize.
[2024-05-29 13:31:27] [INFO ] Deduced a trap composed of 56 places in 40 ms of which 1 ms to minimize.
[2024-05-29 13:31:28] [INFO ] Deduced a trap composed of 73 places in 43 ms of which 1 ms to minimize.
[2024-05-29 13:31:28] [INFO ] Deduced a trap composed of 85 places in 41 ms of which 1 ms to minimize.
At refinement iteration 1 (INCLUDED_ONLY) 0/1242 variables, 6/427 constraints. Problems are: Problem set: 0 solved, 1040 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 1242/2288 variables, and 427 constraints, problems are : Problem set: 0 solved, 1040 unsolved in 30015 ms.
Refiners :[Positive P Invariants (semi-flows): 421/441 constraints, State Equation: 0/1244 constraints, PredecessorRefiner: 0/1040 constraints, Known Traps: 6/6 constraints]
After SMT, in 60188ms problems are : Problem set: 0 solved, 1040 unsolved
Search for dead transitions found 0 dead transitions in 60197ms
Starting structural reductions in SI_LTL mode, iteration 1 : 1244/1247 places, 1044/1047 transitions.
Finished structural reductions in SI_LTL mode , in 1 iterations and 61898 ms. Remains : 1244/1247 places, 1044/1047 transitions.
Treatment of property ShieldPPPs-PT-040B-LTLFireability-00 finished in 235063 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||X(X(X(p1))))))))'
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202405141337/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!(F(p0))'
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202405141337/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!(F(p0))'
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202405141337/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!(F(p0))'
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202405141337/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!((G(p0)||(F(p1) U X(p2))))'
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)))'
[2024-05-29 13:31:43] [INFO ] Flatten gal took : 78 ms
[2024-05-29 13:31:43] [INFO ] Export to MCC of 7 properties in file /home/mcc/execution/LTLFireability.sr.xml took 2 ms.
[2024-05-29 13:31:43] [INFO ] Export to PNML in file /home/mcc/execution/model.sr.pnml of net with 2454 places, 2254 transitions and 6428 arcs took 14 ms.
Total runtime 2389572 ms.
There are residual formulas that ITS could not solve within timeout
----------------------------------------------------------------------
GreatSPN-meddly tool, MCC 2023
----------------------------------------------------------------------

Running ShieldPPPs-PT-040B

IS_COLORED=
IS_NUPN=

LOADING PETRI NET FILE /home/mcc/execution/415/model.pnml (PNML) ...
PNML VERSION 2009, P/T NET.
COLOR CLASSES: 0
CONSTANTS: 0
PLACES: 2454
TRANSITIONS: 2254
COLOR VARS: 0
MEASURES: 0
LOADING TIME: [User 0.041s, Sys 0.002s]


SAVING FILE /home/mcc/execution/415/model (.net / .def) ...
EXPORT TIME: [User 0.008s, 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: 3948
MODEL NAME: /home/mcc/execution/415/model
2454 places, 2254 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.
Split: SplitSubtract
Start RS construction.

BK_TIME_CONFINEMENT_REACHED

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

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