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-171683758800452.qcow2', fmt=qcow2 size=4294967296 backing_file=/data/fkordon/mcc2024-input.qcow2 backing_fmt=qcow2 cluster_size=65536 lazy_refcounts=off refcount_bits=16
Waiting for the VM to be ready (probing ssh)
.....................................................................................................................................................................................................
=====================================================================
Generated by BenchKit 2-5568
Executing tool greatspnxred
Input is ShieldPPPs-PT-020A, examination is LTLFireability
Time confinement is 3600 seconds
Memory confinement is 16384 MBytes
Number of cores is 4
Run identifier is r355-tall-171683758800452
=====================================================================

--------------------
preparation of the directory to be used:
/home/mcc/execution
total 680K
-rw-r--r-- 1 mcc users 8.8K May 14 13:22 CTLCardinality.txt
-rw-r--r-- 1 mcc users 104K May 14 13:22 CTLCardinality.xml
-rw-r--r-- 1 mcc users 7.2K May 14 13:22 CTLFireability.txt
-rw-r--r-- 1 mcc users 73K 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 3.3K May 19 07:16 LTLCardinality.txt
-rw-r--r-- 1 mcc users 24K May 19 16:34 LTLCardinality.xml
-rw-r--r-- 1 mcc users 2.2K May 19 07:31 LTLFireability.txt
-rw-r--r-- 1 mcc users 18K May 19 19:09 LTLFireability.xml
-rw-r--r-- 1 mcc users 10K Apr 13 11:54 ReachabilityCardinality.txt
-rw-r--r-- 1 mcc users 105K Apr 13 11:54 ReachabilityCardinality.xml
-rw-r--r-- 1 mcc users 9.3K Apr 13 11:47 ReachabilityFireability.txt
-rw-r--r-- 1 mcc users 82K Apr 13 11:47 ReachabilityFireability.xml
-rw-r--r-- 1 mcc users 1.6K 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 176K 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-020A-LTLFireability-00
FORMULA_NAME ShieldPPPs-PT-020A-LTLFireability-01
FORMULA_NAME ShieldPPPs-PT-020A-LTLFireability-02
FORMULA_NAME ShieldPPPs-PT-020A-LTLFireability-03
FORMULA_NAME ShieldPPPs-PT-020A-LTLFireability-04
FORMULA_NAME ShieldPPPs-PT-020A-LTLFireability-05
FORMULA_NAME ShieldPPPs-PT-020A-LTLFireability-06
FORMULA_NAME ShieldPPPs-PT-020A-LTLFireability-07
FORMULA_NAME ShieldPPPs-PT-020A-LTLFireability-08
FORMULA_NAME ShieldPPPs-PT-020A-LTLFireability-09
FORMULA_NAME ShieldPPPs-PT-020A-LTLFireability-10
FORMULA_NAME ShieldPPPs-PT-020A-LTLFireability-11
FORMULA_NAME ShieldPPPs-PT-020A-LTLFireability-12
FORMULA_NAME ShieldPPPs-PT-020A-LTLFireability-13
FORMULA_NAME ShieldPPPs-PT-020A-LTLFireability-14
FORMULA_NAME ShieldPPPs-PT-020A-LTLFireability-15

=== Now, execution of the tool begins

BK_START 1716972139061

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-020A
BK_MEMORY_CONFINEMENT=16384
Applying reductions before tool greatspn
Invoking reducer
Running Version 202405141337
[2024-05-29 08:42:20] [INFO ] Running its-tools with arguments : [-pnfolder, /home/mcc/execution, -examination, LTLFireability, -timeout, 360, -rebuildPNML]
[2024-05-29 08:42:20] [INFO ] Parsing pnml file : /home/mcc/execution/model.pnml
[2024-05-29 08:42:20] [INFO ] Load time of PNML (sax parser for PT used): 109 ms
[2024-05-29 08:42:20] [INFO ] Transformed 623 places.
[2024-05-29 08:42:20] [INFO ] Transformed 523 transitions.
[2024-05-29 08:42:20] [INFO ] Found NUPN structural information;
[2024-05-29 08:42:20] [INFO ] Parsed PT model containing 623 places and 523 transitions and 2006 arcs in 229 ms.
Parsed 16 properties from file /home/mcc/execution/LTLFireability.xml in 11 ms.
Working with output stream class java.io.PrintStream
Initial state reduction rules removed 2 formulas.
FORMULA ShieldPPPs-PT-020A-LTLFireability-10 TRUE TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA ShieldPPPs-PT-020A-LTLFireability-15 FALSE TECHNIQUES TOPOLOGICAL INITIAL_STATE
Support contains 69 out of 623 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 623/623 places, 523/523 transitions.
Applied a total of 0 rules in 58 ms. Remains 623 /623 variables (removed 0) and now considering 523/523 (removed 0) transitions.
// Phase 1: matrix 523 rows 623 cols
[2024-05-29 08:42:20] [INFO ] Computed 221 invariants in 32 ms
[2024-05-29 08:42:21] [INFO ] Implicit Places using invariants in 554 ms returned []
[2024-05-29 08:42:21] [INFO ] Invariant cache hit.
[2024-05-29 08:42:21] [INFO ] Implicit Places using invariants and state equation in 597 ms returned []
Implicit Place search using SMT with State Equation took 1182 ms to find 0 implicit places.
Running 522 sub problems to find dead transitions.
[2024-05-29 08:42:21] [INFO ] Invariant cache hit.
At refinement iteration 0 (INCLUDED_ONLY) 0/622 variables, 622/622 constraints. Problems are: Problem set: 0 solved, 522 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/622 variables, 0/622 constraints. Problems are: Problem set: 0 solved, 522 unsolved
At refinement iteration 2 (OVERLAPS) 1/623 variables, 221/843 constraints. Problems are: Problem set: 0 solved, 522 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/623 variables, 1/844 constraints. Problems are: Problem set: 0 solved, 522 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/623 variables, 0/844 constraints. Problems are: Problem set: 0 solved, 522 unsolved
At refinement iteration 5 (OVERLAPS) 523/1146 variables, 623/1467 constraints. Problems are: Problem set: 0 solved, 522 unsolved
[2024-05-29 08:42:41] [INFO ] Deduced a trap composed of 11 places in 63 ms of which 13 ms to minimize.
At refinement iteration 6 (INCLUDED_ONLY) 0/1146 variables, 1/1468 constraints. Problems are: Problem set: 0 solved, 522 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Real declared 1146/1146 variables, and 1468 constraints, problems are : Problem set: 0 solved, 522 unsolved in 30021 ms.
Refiners :[Domain max(s): 623/623 constraints, Positive P Invariants (semi-flows): 221/221 constraints, State Equation: 623/623 constraints, PredecessorRefiner: 522/522 constraints, Known Traps: 1/1 constraints]
Escalating to Integer solving :Problem set: 0 solved, 522 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/622 variables, 622/622 constraints. Problems are: Problem set: 0 solved, 522 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/622 variables, 0/622 constraints. Problems are: Problem set: 0 solved, 522 unsolved
At refinement iteration 2 (OVERLAPS) 1/623 variables, 221/843 constraints. Problems are: Problem set: 0 solved, 522 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/623 variables, 1/844 constraints. Problems are: Problem set: 0 solved, 522 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/623 variables, 1/845 constraints. Problems are: Problem set: 0 solved, 522 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/623 variables, 0/845 constraints. Problems are: Problem set: 0 solved, 522 unsolved
At refinement iteration 6 (OVERLAPS) 523/1146 variables, 623/1468 constraints. Problems are: Problem set: 0 solved, 522 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/1146 variables, 522/1990 constraints. Problems are: Problem set: 0 solved, 522 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 1146/1146 variables, and 1990 constraints, problems are : Problem set: 0 solved, 522 unsolved in 30020 ms.
Refiners :[Domain max(s): 623/623 constraints, Positive P Invariants (semi-flows): 221/221 constraints, State Equation: 623/623 constraints, PredecessorRefiner: 522/522 constraints, Known Traps: 1/1 constraints]
After SMT, in 60228ms problems are : Problem set: 0 solved, 522 unsolved
Search for dead transitions found 0 dead transitions in 60249ms
Finished structural reductions in LTL mode , in 1 iterations and 61514 ms. Remains : 623/623 places, 523/523 transitions.
Support contains 69 out of 623 places after structural reductions.
[2024-05-29 08:43:22] [INFO ] Flatten gal took : 106 ms
[2024-05-29 08:43:22] [INFO ] Flatten gal took : 49 ms
[2024-05-29 08:43:22] [INFO ] Input system was already deterministic with 523 transitions.
Reduction of identical properties reduced properties to check from 35 to 34
RANDOM walk for 40000 steps (28 resets) in 1558 ms. (25 steps per ms) remains 2/34 properties
BEST_FIRST walk for 40004 steps (8 resets) in 304 ms. (131 steps per ms) remains 2/2 properties
BEST_FIRST walk for 40004 steps (8 resets) in 276 ms. (144 steps per ms) remains 2/2 properties
[2024-05-29 08:43:23] [INFO ] Invariant cache hit.
At refinement iteration 0 (INCLUDED_ONLY) 0/8 variables, 8/8 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/8 variables, 0/8 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 2 (OVERLAPS) 21/29 variables, 9/17 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/29 variables, 21/38 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/29 variables, 0/38 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 5 (OVERLAPS) 594/623 variables, 212/250 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/623 variables, 594/844 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/623 variables, 0/844 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 8 (OVERLAPS) 523/1146 variables, 623/1467 constraints. Problems are: Problem set: 0 solved, 2 unsolved
[2024-05-29 08:43:24] [INFO ] Deduced a trap composed of 18 places in 97 ms of which 2 ms to minimize.
[2024-05-29 08:43:24] [INFO ] Deduced a trap composed of 17 places in 114 ms of which 2 ms to minimize.
[2024-05-29 08:43:24] [INFO ] Deduced a trap composed of 18 places in 80 ms of which 3 ms to minimize.
[2024-05-29 08:43:24] [INFO ] Deduced a trap composed of 18 places in 66 ms of which 1 ms to minimize.
[2024-05-29 08:43:24] [INFO ] Deduced a trap composed of 18 places in 53 ms of which 1 ms to minimize.
[2024-05-29 08:43:24] [INFO ] Deduced a trap composed of 18 places in 77 ms of which 3 ms to minimize.
[2024-05-29 08:43:24] [INFO ] Deduced a trap composed of 18 places in 42 ms of which 2 ms to minimize.
[2024-05-29 08:43:24] [INFO ] Deduced a trap composed of 18 places in 47 ms of which 2 ms to minimize.
All remaining problems are real, not stopping.
At refinement iteration 9 (INCLUDED_ONLY) 0/1146 variables, 8/1475 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/1146 variables, 0/1475 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 11 (OVERLAPS) 0/1146 variables, 0/1475 constraints. Problems are: Problem set: 0 solved, 2 unsolved
No progress, stopping.
After SMT solving in domain Real declared 1146/1146 variables, and 1475 constraints, problems are : Problem set: 0 solved, 2 unsolved in 1660 ms.
Refiners :[Domain max(s): 623/623 constraints, Positive P Invariants (semi-flows): 221/221 constraints, State Equation: 623/623 constraints, PredecessorRefiner: 2/2 constraints, Known Traps: 8/8 constraints]
Escalating to Integer solving :Problem set: 0 solved, 2 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/8 variables, 8/8 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/8 variables, 0/8 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 2 (OVERLAPS) 21/29 variables, 9/17 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/29 variables, 21/38 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/29 variables, 0/38 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 5 (OVERLAPS) 594/623 variables, 212/250 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/623 variables, 594/844 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/623 variables, 8/852 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/623 variables, 0/852 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 9 (OVERLAPS) 523/1146 variables, 623/1475 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/1146 variables, 2/1477 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/1146 variables, 0/1477 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 12 (OVERLAPS) 0/1146 variables, 0/1477 constraints. Problems are: Problem set: 0 solved, 2 unsolved
No progress, stopping.
After SMT solving in domain Int declared 1146/1146 variables, and 1477 constraints, problems are : Problem set: 0 solved, 2 unsolved in 574 ms.
Refiners :[Domain max(s): 623/623 constraints, Positive P Invariants (semi-flows): 221/221 constraints, State Equation: 623/623 constraints, PredecessorRefiner: 2/2 constraints, Known Traps: 8/8 constraints]
After SMT, in 2248ms problems are : Problem set: 0 solved, 2 unsolved
Finished Parikh walk after 5426 steps, including 232 resets, run visited all 2 properties in 102 ms. (steps per millisecond=53 )
Finished Parikh walk after 0 steps, including 0 resets, run visited all 0 properties in 1 ms. (steps per millisecond=0 )
Parikh walk visited 2 properties in 115 ms.
Computed a total of 1 stabilizing places and 1 stable transitions
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202405141337/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!(F((G(p0)||G(p1))))'
Support contains 4 out of 623 places. Attempting structural reductions.
Starting structural reductions in SI_LTL mode, iteration 0 : 623/623 places, 523/523 transitions.
Performed 2 Post agglomeration using F-continuation condition.Transition count delta: 2
Deduced a syphon composed of 2 places in 1 ms
Reduce places removed 2 places and 0 transitions.
Iterating global reduction 0 with 4 rules applied. Total rules applied 4 place count 621 transition count 521
Applied a total of 4 rules in 67 ms. Remains 621 /623 variables (removed 2) and now considering 521/523 (removed 2) transitions.
// Phase 1: matrix 521 rows 621 cols
[2024-05-29 08:43:26] [INFO ] Computed 221 invariants in 4 ms
[2024-05-29 08:43:26] [INFO ] Implicit Places using invariants in 412 ms returned []
[2024-05-29 08:43:26] [INFO ] Invariant cache hit.
[2024-05-29 08:43:27] [INFO ] Implicit Places using invariants and state equation in 547 ms returned []
Implicit Place search using SMT with State Equation took 960 ms to find 0 implicit places.
[2024-05-29 08:43:27] [INFO ] Redundant transitions in 24 ms returned []
Running 520 sub problems to find dead transitions.
[2024-05-29 08:43:27] [INFO ] Invariant cache hit.
At refinement iteration 0 (INCLUDED_ONLY) 0/620 variables, 620/620 constraints. Problems are: Problem set: 0 solved, 520 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/620 variables, 0/620 constraints. Problems are: Problem set: 0 solved, 520 unsolved
At refinement iteration 2 (OVERLAPS) 1/621 variables, 221/841 constraints. Problems are: Problem set: 0 solved, 520 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/621 variables, 1/842 constraints. Problems are: Problem set: 0 solved, 520 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/621 variables, 0/842 constraints. Problems are: Problem set: 0 solved, 520 unsolved
At refinement iteration 5 (OVERLAPS) 521/1142 variables, 621/1463 constraints. Problems are: Problem set: 0 solved, 520 unsolved
[2024-05-29 08:43:45] [INFO ] Deduced a trap composed of 11 places in 23 ms of which 0 ms to minimize.
[2024-05-29 08:43:46] [INFO ] Deduced a trap composed of 11 places in 22 ms of which 1 ms to minimize.
[2024-05-29 08:43:48] [INFO ] Deduced a trap composed of 18 places in 32 ms of which 1 ms to minimize.
[2024-05-29 08:43:48] [INFO ] Deduced a trap composed of 18 places in 29 ms of which 0 ms to minimize.
[2024-05-29 08:43:48] [INFO ] Deduced a trap composed of 18 places in 35 ms of which 9 ms to minimize.
Error getting values : (error "ParserException while parsing response: (timeout
org.smtlib.IParser$ParserException: Unbalanced parentheses at end of input")
At refinement iteration 6 (INCLUDED_ONLY) 0/1142 variables, 5/1468 constraints. Problems are: Problem set: 0 solved, 520 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Real declared 1142/1142 variables, and 1468 constraints, problems are : Problem set: 0 solved, 520 unsolved in 30037 ms.
Refiners :[Domain max(s): 621/621 constraints, Positive P Invariants (semi-flows): 221/221 constraints, State Equation: 621/621 constraints, PredecessorRefiner: 520/520 constraints, Known Traps: 5/5 constraints]
Escalating to Integer solving :Problem set: 0 solved, 520 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/620 variables, 620/620 constraints. Problems are: Problem set: 0 solved, 520 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/620 variables, 0/620 constraints. Problems are: Problem set: 0 solved, 520 unsolved
At refinement iteration 2 (OVERLAPS) 1/621 variables, 221/841 constraints. Problems are: Problem set: 0 solved, 520 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/621 variables, 1/842 constraints. Problems are: Problem set: 0 solved, 520 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/621 variables, 5/847 constraints. Problems are: Problem set: 0 solved, 520 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/621 variables, 0/847 constraints. Problems are: Problem set: 0 solved, 520 unsolved
At refinement iteration 6 (OVERLAPS) 521/1142 variables, 621/1468 constraints. Problems are: Problem set: 0 solved, 520 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/1142 variables, 520/1988 constraints. Problems are: Problem set: 0 solved, 520 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 1142/1142 variables, and 1988 constraints, problems are : Problem set: 0 solved, 520 unsolved in 30017 ms.
Refiners :[Domain max(s): 621/621 constraints, Positive P Invariants (semi-flows): 221/221 constraints, State Equation: 621/621 constraints, PredecessorRefiner: 520/520 constraints, Known Traps: 5/5 constraints]
After SMT, in 60178ms problems are : Problem set: 0 solved, 520 unsolved
Search for dead transitions found 0 dead transitions in 60183ms
Starting structural reductions in SI_LTL mode, iteration 1 : 621/623 places, 521/523 transitions.
Finished structural reductions in SI_LTL mode , in 1 iterations and 61241 ms. Remains : 621/623 places, 521/523 transitions.
Stuttering acceptance computed with spot in 163 ms :[(AND (NOT p0) (NOT p1))]
Running random walk in product with property : ShieldPPPs-PT-020A-LTLFireability-00
Product exploration explored 100000 steps with 72 reset in 781 ms.
Product exploration explored 100000 steps with 74 reset in 746 ms.
Computed a total of 1 stabilizing places and 1 stable transitions
Computed a total of 1 stabilizing places and 1 stable transitions
Knowledge obtained : [(AND p0 p1), (X (AND p0 p1)), (X (NOT (AND (NOT p0) p1))), (X (NOT (AND p0 (NOT p1)))), (X (NOT (AND (NOT p0) (NOT p1)))), (X p0), (X p1), (X (X (AND p0 p1))), (X (X (NOT (AND (NOT p0) p1)))), (X (X (NOT (AND p0 (NOT p1))))), (X (X (NOT (AND (NOT p0) (NOT p1))))), (X (X p0)), (X (X p1))]
False Knowledge obtained : []
Knowledge based reduction with 13 factoid took 123 ms. Reduced automaton from 1 states, 4 edges and 2 AP (stutter insensitive) to 1 states, 4 edges and 2 AP (stutter insensitive).
Stuttering acceptance computed with spot in 32 ms :[(AND (NOT p0) (NOT p1))]
RANDOM walk for 8339 steps (3 resets) in 101 ms. (81 steps per ms) remains 0/6 properties
Knowledge obtained : [(AND p0 p1), (X (AND p0 p1)), (X (NOT (AND (NOT p0) p1))), (X (NOT (AND p0 (NOT p1)))), (X (NOT (AND (NOT p0) (NOT p1)))), (X p0), (X p1), (X (X (AND p0 p1))), (X (X (NOT (AND (NOT p0) p1)))), (X (X (NOT (AND p0 (NOT p1))))), (X (X (NOT (AND (NOT p0) (NOT p1))))), (X (X p0)), (X (X p1))]
False Knowledge obtained : [(F (NOT p0)), (F (NOT (OR p0 p1))), (F (NOT p1)), (F (NOT (AND p0 p1))), (F (NOT (OR (NOT p0) p1))), (F (NOT (OR p0 (NOT p1))))]
Knowledge based reduction with 13 factoid took 314 ms. Reduced automaton from 1 states, 4 edges and 2 AP (stutter insensitive) to 1 states, 4 edges and 2 AP (stutter insensitive).
Stuttering acceptance computed with spot in 39 ms :[(AND (NOT p0) (NOT p1))]
Stuttering acceptance computed with spot in 44 ms :[(AND (NOT p0) (NOT p1))]
Support contains 4 out of 621 places. Attempting structural reductions.
Starting structural reductions in SI_LTL mode, iteration 0 : 621/621 places, 521/521 transitions.
Applied a total of 0 rules in 33 ms. Remains 621 /621 variables (removed 0) and now considering 521/521 (removed 0) transitions.
[2024-05-29 08:44:29] [INFO ] Invariant cache hit.
[2024-05-29 08:44:30] [INFO ] Implicit Places using invariants in 301 ms returned []
[2024-05-29 08:44:30] [INFO ] Invariant cache hit.
[2024-05-29 08:44:30] [INFO ] Implicit Places using invariants and state equation in 519 ms returned []
Implicit Place search using SMT with State Equation took 822 ms to find 0 implicit places.
[2024-05-29 08:44:30] [INFO ] Redundant transitions in 10 ms returned []
Running 520 sub problems to find dead transitions.
[2024-05-29 08:44:30] [INFO ] Invariant cache hit.
At refinement iteration 0 (INCLUDED_ONLY) 0/620 variables, 620/620 constraints. Problems are: Problem set: 0 solved, 520 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/620 variables, 0/620 constraints. Problems are: Problem set: 0 solved, 520 unsolved
At refinement iteration 2 (OVERLAPS) 1/621 variables, 221/841 constraints. Problems are: Problem set: 0 solved, 520 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/621 variables, 1/842 constraints. Problems are: Problem set: 0 solved, 520 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/621 variables, 0/842 constraints. Problems are: Problem set: 0 solved, 520 unsolved
At refinement iteration 5 (OVERLAPS) 521/1142 variables, 621/1463 constraints. Problems are: Problem set: 0 solved, 520 unsolved
[2024-05-29 08:44:49] [INFO ] Deduced a trap composed of 11 places in 29 ms of which 1 ms to minimize.
[2024-05-29 08:44:49] [INFO ] Deduced a trap composed of 11 places in 21 ms of which 1 ms to minimize.
[2024-05-29 08:44:52] [INFO ] Deduced a trap composed of 18 places in 31 ms of which 1 ms to minimize.
[2024-05-29 08:44:52] [INFO ] Deduced a trap composed of 18 places in 24 ms of which 0 ms to minimize.
[2024-05-29 08:44:52] [INFO ] Deduced a trap composed of 18 places in 29 ms of which 0 ms to minimize.
At refinement iteration 6 (INCLUDED_ONLY) 0/1142 variables, 5/1468 constraints. Problems are: Problem set: 0 solved, 520 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Real declared 1142/1142 variables, and 1468 constraints, problems are : Problem set: 0 solved, 520 unsolved in 30013 ms.
Refiners :[Domain max(s): 621/621 constraints, Positive P Invariants (semi-flows): 221/221 constraints, State Equation: 621/621 constraints, PredecessorRefiner: 520/520 constraints, Known Traps: 5/5 constraints]
Escalating to Integer solving :Problem set: 0 solved, 520 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/620 variables, 620/620 constraints. Problems are: Problem set: 0 solved, 520 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/620 variables, 0/620 constraints. Problems are: Problem set: 0 solved, 520 unsolved
At refinement iteration 2 (OVERLAPS) 1/621 variables, 221/841 constraints. Problems are: Problem set: 0 solved, 520 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/621 variables, 1/842 constraints. Problems are: Problem set: 0 solved, 520 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/621 variables, 5/847 constraints. Problems are: Problem set: 0 solved, 520 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/621 variables, 0/847 constraints. Problems are: Problem set: 0 solved, 520 unsolved
At refinement iteration 6 (OVERLAPS) 521/1142 variables, 621/1468 constraints. Problems are: Problem set: 0 solved, 520 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/1142 variables, 520/1988 constraints. Problems are: Problem set: 0 solved, 520 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 1142/1142 variables, and 1988 constraints, problems are : Problem set: 0 solved, 520 unsolved in 30020 ms.
Refiners :[Domain max(s): 621/621 constraints, Positive P Invariants (semi-flows): 221/221 constraints, State Equation: 621/621 constraints, PredecessorRefiner: 520/520 constraints, Known Traps: 5/5 constraints]
After SMT, in 60123ms problems are : Problem set: 0 solved, 520 unsolved
Search for dead transitions found 0 dead transitions in 60128ms
Finished structural reductions in SI_LTL mode , in 1 iterations and 60998 ms. Remains : 621/621 places, 521/521 transitions.
Computed a total of 1 stabilizing places and 1 stable transitions
Computed a total of 1 stabilizing places and 1 stable transitions
Knowledge obtained : [(AND p0 p1), (X (AND p0 p1)), (X (NOT (AND (NOT p0) p1))), (X (NOT (AND p0 (NOT p1)))), (X (NOT (AND (NOT p0) (NOT p1)))), (X p0), (X p1), (X (X (AND p0 p1))), (X (X (NOT (AND (NOT p0) p1)))), (X (X (NOT (AND p0 (NOT p1))))), (X (X (NOT (AND (NOT p0) (NOT p1))))), (X (X p0)), (X (X p1))]
False Knowledge obtained : []
Knowledge based reduction with 13 factoid took 128 ms. Reduced automaton from 1 states, 4 edges and 2 AP (stutter insensitive) to 1 states, 4 edges and 2 AP (stutter insensitive).
Stuttering acceptance computed with spot in 45 ms :[(AND (NOT p0) (NOT p1))]
RANDOM walk for 7766 steps (3 resets) in 100 ms. (76 steps per ms) remains 0/6 properties
Knowledge obtained : [(AND p0 p1), (X (AND p0 p1)), (X (NOT (AND (NOT p0) p1))), (X (NOT (AND p0 (NOT p1)))), (X (NOT (AND (NOT p0) (NOT p1)))), (X p0), (X p1), (X (X (AND p0 p1))), (X (X (NOT (AND (NOT p0) p1)))), (X (X (NOT (AND p0 (NOT p1))))), (X (X (NOT (AND (NOT p0) (NOT p1))))), (X (X p0)), (X (X p1))]
False Knowledge obtained : [(F (NOT p0)), (F (NOT (OR p0 p1))), (F (NOT p1)), (F (NOT (AND p0 p1))), (F (NOT (OR (NOT p0) p1))), (F (NOT (OR p0 (NOT p1))))]
Knowledge based reduction with 13 factoid took 414 ms. Reduced automaton from 1 states, 4 edges and 2 AP (stutter insensitive) to 1 states, 4 edges and 2 AP (stutter insensitive).
Stuttering acceptance computed with spot in 29 ms :[(AND (NOT p0) (NOT p1))]
Stuttering acceptance computed with spot in 38 ms :[(AND (NOT p0) (NOT p1))]
Stuttering acceptance computed with spot in 39 ms :[(AND (NOT p0) (NOT p1))]
Product exploration explored 100000 steps with 73 reset in 568 ms.
Product exploration explored 100000 steps with 72 reset in 686 ms.
Support contains 4 out of 621 places. Attempting structural reductions.
Starting structural reductions in SI_LTL mode, iteration 0 : 621/621 places, 521/521 transitions.
Applied a total of 0 rules in 24 ms. Remains 621 /621 variables (removed 0) and now considering 521/521 (removed 0) transitions.
[2024-05-29 08:45:32] [INFO ] Invariant cache hit.
[2024-05-29 08:45:33] [INFO ] Implicit Places using invariants in 290 ms returned []
[2024-05-29 08:45:33] [INFO ] Invariant cache hit.
[2024-05-29 08:45:33] [INFO ] Implicit Places using invariants and state equation in 527 ms returned []
Implicit Place search using SMT with State Equation took 828 ms to find 0 implicit places.
[2024-05-29 08:45:33] [INFO ] Redundant transitions in 3 ms returned []
Running 520 sub problems to find dead transitions.
[2024-05-29 08:45:33] [INFO ] Invariant cache hit.
At refinement iteration 0 (INCLUDED_ONLY) 0/620 variables, 620/620 constraints. Problems are: Problem set: 0 solved, 520 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/620 variables, 0/620 constraints. Problems are: Problem set: 0 solved, 520 unsolved
At refinement iteration 2 (OVERLAPS) 1/621 variables, 221/841 constraints. Problems are: Problem set: 0 solved, 520 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/621 variables, 1/842 constraints. Problems are: Problem set: 0 solved, 520 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/621 variables, 0/842 constraints. Problems are: Problem set: 0 solved, 520 unsolved
At refinement iteration 5 (OVERLAPS) 521/1142 variables, 621/1463 constraints. Problems are: Problem set: 0 solved, 520 unsolved
[2024-05-29 08:45:52] [INFO ] Deduced a trap composed of 11 places in 27 ms of which 1 ms to minimize.
[2024-05-29 08:45:52] [INFO ] Deduced a trap composed of 11 places in 21 ms of which 1 ms to minimize.
[2024-05-29 08:45:55] [INFO ] Deduced a trap composed of 18 places in 24 ms of which 1 ms to minimize.
[2024-05-29 08:45:55] [INFO ] Deduced a trap composed of 18 places in 27 ms of which 0 ms to minimize.
[2024-05-29 08:45:55] [INFO ] Deduced a trap composed of 18 places in 22 ms of which 1 ms to minimize.
Error getting values : (error "Error writing to Z3 solver: java.io.IOException: Broken pipe")
At refinement iteration 6 (INCLUDED_ONLY) 0/1142 variables, 5/1468 constraints. Problems are: Problem set: 0 solved, 520 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Real declared 1142/1142 variables, and 1468 constraints, problems are : Problem set: 0 solved, 520 unsolved in 30016 ms.
Refiners :[Domain max(s): 621/621 constraints, Positive P Invariants (semi-flows): 221/221 constraints, State Equation: 621/621 constraints, PredecessorRefiner: 520/520 constraints, Known Traps: 5/5 constraints]
Escalating to Integer solving :Problem set: 0 solved, 520 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/620 variables, 620/620 constraints. Problems are: Problem set: 0 solved, 520 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/620 variables, 0/620 constraints. Problems are: Problem set: 0 solved, 520 unsolved
At refinement iteration 2 (OVERLAPS) 1/621 variables, 221/841 constraints. Problems are: Problem set: 0 solved, 520 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/621 variables, 1/842 constraints. Problems are: Problem set: 0 solved, 520 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/621 variables, 5/847 constraints. Problems are: Problem set: 0 solved, 520 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/621 variables, 0/847 constraints. Problems are: Problem set: 0 solved, 520 unsolved
At refinement iteration 6 (OVERLAPS) 521/1142 variables, 621/1468 constraints. Problems are: Problem set: 0 solved, 520 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/1142 variables, 520/1988 constraints. Problems are: Problem set: 0 solved, 520 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 1142/1142 variables, and 1988 constraints, problems are : Problem set: 0 solved, 520 unsolved in 30021 ms.
Refiners :[Domain max(s): 621/621 constraints, Positive P Invariants (semi-flows): 221/221 constraints, State Equation: 621/621 constraints, PredecessorRefiner: 520/520 constraints, Known Traps: 5/5 constraints]
After SMT, in 60126ms problems are : Problem set: 0 solved, 520 unsolved
Search for dead transitions found 0 dead transitions in 60131ms
Finished structural reductions in SI_LTL mode , in 1 iterations and 60993 ms. Remains : 621/621 places, 521/521 transitions.
Treatment of property ShieldPPPs-PT-020A-LTLFireability-00 finished in 187757 ms.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202405141337/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!(X((F(p0)&&F(p1))))'
Support contains 5 out of 623 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 623/623 places, 523/523 transitions.
Applied a total of 0 rules in 6 ms. Remains 623 /623 variables (removed 0) and now considering 523/523 (removed 0) transitions.
// Phase 1: matrix 523 rows 623 cols
[2024-05-29 08:46:33] [INFO ] Computed 221 invariants in 3 ms
[2024-05-29 08:46:34] [INFO ] Implicit Places using invariants in 365 ms returned []
[2024-05-29 08:46:34] [INFO ] Invariant cache hit.
[2024-05-29 08:46:34] [INFO ] Implicit Places using invariants and state equation in 535 ms returned []
Implicit Place search using SMT with State Equation took 901 ms to find 0 implicit places.
Running 522 sub problems to find dead transitions.
[2024-05-29 08:46:34] [INFO ] Invariant cache hit.
At refinement iteration 0 (INCLUDED_ONLY) 0/622 variables, 622/622 constraints. Problems are: Problem set: 0 solved, 522 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/622 variables, 0/622 constraints. Problems are: Problem set: 0 solved, 522 unsolved
At refinement iteration 2 (OVERLAPS) 1/623 variables, 221/843 constraints. Problems are: Problem set: 0 solved, 522 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/623 variables, 1/844 constraints. Problems are: Problem set: 0 solved, 522 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/623 variables, 0/844 constraints. Problems are: Problem set: 0 solved, 522 unsolved
At refinement iteration 5 (OVERLAPS) 523/1146 variables, 623/1467 constraints. Problems are: Problem set: 0 solved, 522 unsolved
[2024-05-29 08:46:53] [INFO ] Deduced a trap composed of 11 places in 23 ms of which 1 ms to minimize.
(s490 1.0timeout
^^^^^^^^^^
(error "Invalid token: 1.0timeout")
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)
(s491 org.smtlib.IParser$ParserException: Unbalanced parentheses at end of input")
At refinement iteration 6 (INCLUDED_ONLY) 0/1146 variables, 1/1468 constraints. Problems are: Problem set: 0 solved, 522 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Real declared 1146/1146 variables, and 1468 constraints, problems are : Problem set: 0 solved, 522 unsolved in 30023 ms.
Refiners :[Domain max(s): 623/623 constraints, Positive P Invariants (semi-flows): 221/221 constraints, State Equation: 623/623 constraints, PredecessorRefiner: 522/522 constraints, Known Traps: 1/1 constraints]
Escalating to Integer solving :Problem set: 0 solved, 522 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/622 variables, 622/622 constraints. Problems are: Problem set: 0 solved, 522 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/622 variables, 0/622 constraints. Problems are: Problem set: 0 solved, 522 unsolved
At refinement iteration 2 (OVERLAPS) 1/623 variables, 221/843 constraints. Problems are: Problem set: 0 solved, 522 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/623 variables, 1/844 constraints. Problems are: Problem set: 0 solved, 522 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/623 variables, 1/845 constraints. Problems are: Problem set: 0 solved, 522 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/623 variables, 0/845 constraints. Problems are: Problem set: 0 solved, 522 unsolved
At refinement iteration 6 (OVERLAPS) 523/1146 variables, 623/1468 constraints. Problems are: Problem set: 0 solved, 522 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/1146 variables, 522/1990 constraints. Problems are: Problem set: 0 solved, 522 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 1146/1146 variables, and 1990 constraints, problems are : Problem set: 0 solved, 522 unsolved in 30019 ms.
Refiners :[Domain max(s): 623/623 constraints, Positive P Invariants (semi-flows): 221/221 constraints, State Equation: 623/623 constraints, PredecessorRefiner: 522/522 constraints, Known Traps: 1/1 constraints]
After SMT, in 60120ms problems are : Problem set: 0 solved, 522 unsolved
Search for dead transitions found 0 dead transitions in 60125ms
Finished structural reductions in LTL mode , in 1 iterations and 61034 ms. Remains : 623/623 places, 523/523 transitions.
Stuttering acceptance computed with spot in 166 ms :[(OR (NOT p0) (NOT p1)), (NOT p1), (NOT p0), (OR (NOT p0) (NOT p1))]
Running random walk in product with property : ShieldPPPs-PT-020A-LTLFireability-01
Product exploration explored 100000 steps with 86 reset in 578 ms.
Product exploration explored 100000 steps with 87 reset in 628 ms.
Computed a total of 1 stabilizing places and 1 stable transitions
Computed a total of 1 stabilizing places and 1 stable transitions
Knowledge obtained : [(AND (NOT p1) p0), (X (AND p0 (NOT p1))), (X (NOT (AND (NOT p0) p1))), (X (NOT (AND (NOT p0) (NOT p1)))), (X p0), (X (NOT p1)), (X (X p0)), (X (X (AND p0 (NOT p1)))), (X (X (NOT (AND (NOT p0) p1)))), (X (X (NOT p1))), (X (X (NOT (AND (NOT p0) (NOT p1)))))]
False Knowledge obtained : []
Knowledge based reduction with 11 factoid took 115 ms. Reduced automaton from 4 states, 6 edges and 2 AP (stutter sensitive) to 3 states, 3 edges and 1 AP (stutter sensitive).
Stuttering acceptance computed with spot in 105 ms :[(NOT p1), (NOT p1), (NOT p1)]
RANDOM walk for 4600 steps (0 resets) in 39 ms. (115 steps per ms) remains 0/1 properties
Knowledge obtained : [(AND (NOT p1) p0), (X (AND p0 (NOT p1))), (X (NOT (AND (NOT p0) p1))), (X (NOT (AND (NOT p0) (NOT p1)))), (X p0), (X (NOT p1)), (X (X p0)), (X (X (AND p0 (NOT p1)))), (X (X (NOT (AND (NOT p0) p1)))), (X (X (NOT p1))), (X (X (NOT (AND (NOT p0) (NOT p1)))))]
False Knowledge obtained : [(F p1)]
Knowledge based reduction with 11 factoid took 126 ms. Reduced automaton from 3 states, 3 edges and 1 AP (stutter sensitive) to 3 states, 3 edges and 1 AP (stutter sensitive).
Stuttering acceptance computed with spot in 101 ms :[(NOT p1), (NOT p1), (NOT p1)]
Stuttering acceptance computed with spot in 107 ms :[(NOT p1), (NOT p1), (NOT p1)]
[2024-05-29 08:47:36] [INFO ] Invariant cache hit.
[2024-05-29 08:47:37] [INFO ] [Real]Absence check using 221 positive place invariants in 130 ms returned sat
[2024-05-29 08:47:38] [INFO ] [Real]Absence check using state equation in 1453 ms returned sat
[2024-05-29 08:47:38] [INFO ] Solution in real domain found non-integer solution.
[2024-05-29 08:47:39] [INFO ] [Nat]Absence check using 221 positive place invariants in 91 ms returned sat
[2024-05-29 08:47:39] [INFO ] [Nat]Absence check using state equation in 784 ms returned sat
[2024-05-29 08:47:39] [INFO ] Computed and/alt/rep : 522/1443/522 causal constraints (skipped 0 transitions) in 29 ms.
[2024-05-29 08:47:53] [INFO ] Added : 521 causal constraints over 108 iterations in 13811 ms. Result :unknown
Could not prove EG (NOT p1)
Support contains 2 out of 623 places. Attempting structural reductions.
Property had overlarge support with respect to TGBA, discarding it for now.
Starting structural reductions in LTL mode, iteration 0 : 623/623 places, 523/523 transitions.
Applied a total of 0 rules in 11 ms. Remains 623 /623 variables (removed 0) and now considering 523/523 (removed 0) transitions.
[2024-05-29 08:47:53] [INFO ] Invariant cache hit.
[2024-05-29 08:47:54] [INFO ] Implicit Places using invariants in 337 ms returned []
[2024-05-29 08:47:54] [INFO ] Invariant cache hit.
[2024-05-29 08:47:54] [INFO ] Implicit Places using invariants and state equation in 535 ms returned []
Implicit Place search using SMT with State Equation took 873 ms to find 0 implicit places.
Running 522 sub problems to find dead transitions.
[2024-05-29 08:47:54] [INFO ] Invariant cache hit.
At refinement iteration 0 (INCLUDED_ONLY) 0/622 variables, 622/622 constraints. Problems are: Problem set: 0 solved, 522 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/622 variables, 0/622 constraints. Problems are: Problem set: 0 solved, 522 unsolved
At refinement iteration 2 (OVERLAPS) 1/623 variables, 221/843 constraints. Problems are: Problem set: 0 solved, 522 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/623 variables, 1/844 constraints. Problems are: Problem set: 0 solved, 522 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/623 variables, 0/844 constraints. Problems are: Problem set: 0 solved, 522 unsolved
At refinement iteration 5 (OVERLAPS) 523/1146 variables, 623/1467 constraints. Problems are: Problem set: 0 solved, 522 unsolved
[2024-05-29 08:48:13] [INFO ] Deduced a trap composed of 11 places in 34 ms of which 1 ms to minimize.
At refinement iteration 6 (INCLUDED_ONLY) 0/1146 variables, 1/1468 constraints. Problems are: Problem set: 0 solved, 522 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Real declared 1146/1146 variables, and 1468 constraints, problems are : Problem set: 0 solved, 522 unsolved in 30015 ms.
Refiners :[Domain max(s): 623/623 constraints, Positive P Invariants (semi-flows): 221/221 constraints, State Equation: 623/623 constraints, PredecessorRefiner: 522/522 constraints, Known Traps: 1/1 constraints]
Escalating to Integer solving :Problem set: 0 solved, 522 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/622 variables, 622/622 constraints. Problems are: Problem set: 0 solved, 522 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/622 variables, 0/622 constraints. Problems are: Problem set: 0 solved, 522 unsolved
At refinement iteration 2 (OVERLAPS) 1/623 variables, 221/843 constraints. Problems are: Problem set: 0 solved, 522 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/623 variables, 1/844 constraints. Problems are: Problem set: 0 solved, 522 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/623 variables, 1/845 constraints. Problems are: Problem set: 0 solved, 522 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/623 variables, 0/845 constraints. Problems are: Problem set: 0 solved, 522 unsolved
At refinement iteration 6 (OVERLAPS) 523/1146 variables, 623/1468 constraints. Problems are: Problem set: 0 solved, 522 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/1146 variables, 522/1990 constraints. Problems are: Problem set: 0 solved, 522 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 1146/1146 variables, and 1990 constraints, problems are : Problem set: 0 solved, 522 unsolved in 30020 ms.
Refiners :[Domain max(s): 623/623 constraints, Positive P Invariants (semi-flows): 221/221 constraints, State Equation: 623/623 constraints, PredecessorRefiner: 522/522 constraints, Known Traps: 1/1 constraints]
After SMT, in 60110ms problems are : Problem set: 0 solved, 522 unsolved
Search for dead transitions found 0 dead transitions in 60116ms
Finished structural reductions in LTL mode , in 1 iterations and 61002 ms. Remains : 623/623 places, 523/523 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 p1), (X (X (NOT p1)))]
False Knowledge obtained : []
Knowledge based reduction with 2 factoid took 69 ms. Reduced automaton from 3 states, 3 edges and 1 AP (stutter sensitive) to 3 states, 3 edges and 1 AP (stutter sensitive).
Stuttering acceptance computed with spot in 102 ms :[(NOT p1), (NOT p1), (NOT p1)]
RANDOM walk for 4954 steps (0 resets) in 37 ms. (130 steps per ms) remains 0/1 properties
Knowledge obtained : [(NOT p1), (X (X (NOT p1)))]
False Knowledge obtained : [(F p1)]
Knowledge based reduction with 2 factoid took 96 ms. Reduced automaton from 3 states, 3 edges and 1 AP (stutter sensitive) to 3 states, 3 edges and 1 AP (stutter sensitive).
Stuttering acceptance computed with spot in 108 ms :[(NOT p1), (NOT p1), (NOT p1)]
Stuttering acceptance computed with spot in 112 ms :[(NOT p1), (NOT p1), (NOT p1)]
[2024-05-29 08:48:55] [INFO ] Invariant cache hit.
[2024-05-29 08:48:55] [INFO ] [Real]Absence check using 221 positive place invariants in 131 ms returned sat
[2024-05-29 08:48:57] [INFO ] [Real]Absence check using state equation in 1420 ms returned sat
[2024-05-29 08:48:57] [INFO ] Solution in real domain found non-integer solution.
[2024-05-29 08:48:57] [INFO ] [Nat]Absence check using 221 positive place invariants in 100 ms returned sat
[2024-05-29 08:48:58] [INFO ] [Nat]Absence check using state equation in 760 ms returned sat
[2024-05-29 08:48:58] [INFO ] Computed and/alt/rep : 522/1443/522 causal constraints (skipped 0 transitions) in 30 ms.
[2024-05-29 08:49:12] [INFO ] Added : 521 causal constraints over 108 iterations in 13820 ms. Result :unknown
Could not prove EG (NOT p1)
Stuttering acceptance computed with spot in 94 ms :[(NOT p1), (NOT p1), (NOT p1)]
Stuttering criterion allowed to conclude after 44325 steps with 38 reset in 236 ms.
FORMULA ShieldPPPs-PT-020A-LTLFireability-01 FALSE TECHNIQUES STUTTER_TEST
Treatment of property ShieldPPPs-PT-020A-LTLFireability-01 finished in 158704 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((p0&&G(p1)))))'
Support contains 3 out of 623 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 623/623 places, 523/523 transitions.
Applied a total of 0 rules in 18 ms. Remains 623 /623 variables (removed 0) and now considering 523/523 (removed 0) transitions.
[2024-05-29 08:49:12] [INFO ] Invariant cache hit.
[2024-05-29 08:49:12] [INFO ] Implicit Places using invariants in 320 ms returned []
[2024-05-29 08:49:12] [INFO ] Invariant cache hit.
[2024-05-29 08:49:13] [INFO ] Implicit Places using invariants and state equation in 542 ms returned []
Implicit Place search using SMT with State Equation took 870 ms to find 0 implicit places.
Running 522 sub problems to find dead transitions.
[2024-05-29 08:49:13] [INFO ] Invariant cache hit.
At refinement iteration 0 (INCLUDED_ONLY) 0/622 variables, 622/622 constraints. Problems are: Problem set: 0 solved, 522 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/622 variables, 0/622 constraints. Problems are: Problem set: 0 solved, 522 unsolved
At refinement iteration 2 (OVERLAPS) 1/623 variables, 221/843 constraints. Problems are: Problem set: 0 solved, 522 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/623 variables, 1/844 constraints. Problems are: Problem set: 0 solved, 522 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/623 variables, 0/844 constraints. Problems are: Problem set: 0 solved, 522 unsolved
At refinement iteration 5 (OVERLAPS) 523/1146 variables, 623/1467 constraints. Problems are: Problem set: 0 solved, 522 unsolved
[2024-05-29 08:49:32] [INFO ] Deduced a trap composed of 11 places in 32 ms of which 1 ms to minimize.
At refinement iteration 6 (INCLUDED_ONLY) 0/1146 variables, 1/1468 constraints. Problems are: Problem set: 0 solved, 522 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Real declared 1146/1146 variables, and 1468 constraints, problems are : Problem set: 0 solved, 522 unsolved in 30014 ms.
Refiners :[Domain max(s): 623/623 constraints, Positive P Invariants (semi-flows): 221/221 constraints, State Equation: 623/623 constraints, PredecessorRefiner: 522/522 constraints, Known Traps: 1/1 constraints]
Escalating to Integer solving :Problem set: 0 solved, 522 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/622 variables, 622/622 constraints. Problems are: Problem set: 0 solved, 522 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/622 variables, 0/622 constraints. Problems are: Problem set: 0 solved, 522 unsolved
At refinement iteration 2 (OVERLAPS) 1/623 variables, 221/843 constraints. Problems are: Problem set: 0 solved, 522 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/623 variables, 1/844 constraints. Problems are: Problem set: 0 solved, 522 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/623 variables, 1/845 constraints. Problems are: Problem set: 0 solved, 522 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/623 variables, 0/845 constraints. Problems are: Problem set: 0 solved, 522 unsolved
At refinement iteration 6 (OVERLAPS) 523/1146 variables, 623/1468 constraints. Problems are: Problem set: 0 solved, 522 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/1146 variables, 522/1990 constraints. Problems are: Problem set: 0 solved, 522 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 1146/1146 variables, and 1990 constraints, problems are : Problem set: 0 solved, 522 unsolved in 30017 ms.
Refiners :[Domain max(s): 623/623 constraints, Positive P Invariants (semi-flows): 221/221 constraints, State Equation: 623/623 constraints, PredecessorRefiner: 522/522 constraints, Known Traps: 1/1 constraints]
After SMT, in 60117ms problems are : Problem set: 0 solved, 522 unsolved
Search for dead transitions found 0 dead transitions in 60122ms
Finished structural reductions in LTL mode , in 1 iterations and 61011 ms. Remains : 623/623 places, 523/523 transitions.
Stuttering acceptance computed with spot in 161 ms :[true, (NOT p1), (OR (NOT p0) (NOT p1)), (OR (NOT p0) (NOT p1)), (OR (NOT p0) (NOT p1))]
Running random walk in product with property : ShieldPPPs-PT-020A-LTLFireability-02
Entered a terminal (fully accepting) state of product in 2 steps with 0 reset in 0 ms.
FORMULA ShieldPPPs-PT-020A-LTLFireability-02 FALSE TECHNIQUES STUTTER_TEST
Treatment of property ShieldPPPs-PT-020A-LTLFireability-02 finished in 61195 ms.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202405141337/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!(X((p0&&G((G(p1)||(p2&&X(p3)))))))'
Support contains 6 out of 623 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 623/623 places, 523/523 transitions.
Applied a total of 0 rules in 7 ms. Remains 623 /623 variables (removed 0) and now considering 523/523 (removed 0) transitions.
[2024-05-29 08:50:13] [INFO ] Invariant cache hit.
[2024-05-29 08:50:14] [INFO ] Implicit Places using invariants in 280 ms returned []
[2024-05-29 08:50:14] [INFO ] Invariant cache hit.
[2024-05-29 08:50:14] [INFO ] Implicit Places using invariants and state equation in 549 ms returned []
Implicit Place search using SMT with State Equation took 831 ms to find 0 implicit places.
Running 522 sub problems to find dead transitions.
[2024-05-29 08:50:14] [INFO ] Invariant cache hit.
At refinement iteration 0 (INCLUDED_ONLY) 0/622 variables, 622/622 constraints. Problems are: Problem set: 0 solved, 522 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/622 variables, 0/622 constraints. Problems are: Problem set: 0 solved, 522 unsolved
At refinement iteration 2 (OVERLAPS) 1/623 variables, 221/843 constraints. Problems are: Problem set: 0 solved, 522 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/623 variables, 1/844 constraints. Problems are: Problem set: 0 solved, 522 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/623 variables, 0/844 constraints. Problems are: Problem set: 0 solved, 522 unsolved
At refinement iteration 5 (OVERLAPS) 523/1146 variables, 623/1467 constraints. Problems are: Problem set: 0 solved, 522 unsolved
[2024-05-29 08:50:33] [INFO ] Deduced a trap composed of 11 places in 31 ms of which 1 ms to minimize.
At refinement iteration 6 (INCLUDED_ONLY) 0/1146 variables, 1/1468 constraints. Problems are: Problem set: 0 solved, 522 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Real declared 1146/1146 variables, and 1468 constraints, problems are : Problem set: 0 solved, 522 unsolved in 30014 ms.
Refiners :[Domain max(s): 623/623 constraints, Positive P Invariants (semi-flows): 221/221 constraints, State Equation: 623/623 constraints, PredecessorRefiner: 522/522 constraints, Known Traps: 1/1 constraints]
Escalating to Integer solving :Problem set: 0 solved, 522 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/622 variables, 622/622 constraints. Problems are: Problem set: 0 solved, 522 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/622 variables, 0/622 constraints. Problems are: Problem set: 0 solved, 522 unsolved
At refinement iteration 2 (OVERLAPS) 1/623 variables, 221/843 constraints. Problems are: Problem set: 0 solved, 522 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/623 variables, 1/844 constraints. Problems are: Problem set: 0 solved, 522 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/623 variables, 1/845 constraints. Problems are: Problem set: 0 solved, 522 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/623 variables, 0/845 constraints. Problems are: Problem set: 0 solved, 522 unsolved
At refinement iteration 6 (OVERLAPS) 523/1146 variables, 623/1468 constraints. Problems are: Problem set: 0 solved, 522 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/1146 variables, 522/1990 constraints. Problems are: Problem set: 0 solved, 522 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 1146/1146 variables, and 1990 constraints, problems are : Problem set: 0 solved, 522 unsolved in 30028 ms.
Refiners :[Domain max(s): 623/623 constraints, Positive P Invariants (semi-flows): 221/221 constraints, State Equation: 623/623 constraints, PredecessorRefiner: 522/522 constraints, Known Traps: 1/1 constraints]
After SMT, in 60123ms problems are : Problem set: 0 solved, 522 unsolved
Search for dead transitions found 0 dead transitions in 60128ms
Finished structural reductions in LTL mode , in 1 iterations and 60967 ms. Remains : 623/623 places, 523/523 transitions.
Stuttering acceptance computed with spot in 229 ms :[true, (OR (NOT p0) (AND (NOT p1) (NOT p2)) (AND (NOT p1) (NOT p3))), (OR (NOT p0) (AND (NOT p1) (NOT p2)) (AND (NOT p1) (NOT p3))), (OR (NOT p3) (AND (NOT p1) (NOT p2))), (OR (AND (NOT p1) (NOT p2)) (AND (NOT p1) (NOT p3))), (NOT p1)]
Running random walk in product with property : ShieldPPPs-PT-020A-LTLFireability-03
Entered a terminal (fully accepting) state of product in 76 steps with 0 reset in 1 ms.
FORMULA ShieldPPPs-PT-020A-LTLFireability-03 FALSE TECHNIQUES STUTTER_TEST
Treatment of property ShieldPPPs-PT-020A-LTLFireability-03 finished in 61218 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 U (p1||G(!p0))))))'
Support contains 3 out of 623 places. Attempting structural reductions.
Starting structural reductions in SI_LTL mode, iteration 0 : 623/623 places, 523/523 transitions.
Performed 2 Post agglomeration using F-continuation condition.Transition count delta: 2
Deduced a syphon composed of 2 places in 1 ms
Reduce places removed 2 places and 0 transitions.
Iterating global reduction 0 with 4 rules applied. Total rules applied 4 place count 621 transition count 521
Applied a total of 4 rules in 29 ms. Remains 621 /623 variables (removed 2) and now considering 521/523 (removed 2) transitions.
// Phase 1: matrix 521 rows 621 cols
[2024-05-29 08:51:14] [INFO ] Computed 221 invariants in 3 ms
[2024-05-29 08:51:15] [INFO ] Implicit Places using invariants in 282 ms returned []
[2024-05-29 08:51:15] [INFO ] Invariant cache hit.
[2024-05-29 08:51:15] [INFO ] Implicit Places using invariants and state equation in 537 ms returned []
Implicit Place search using SMT with State Equation took 820 ms to find 0 implicit places.
[2024-05-29 08:51:15] [INFO ] Redundant transitions in 3 ms returned []
Running 520 sub problems to find dead transitions.
[2024-05-29 08:51:15] [INFO ] Invariant cache hit.
At refinement iteration 0 (INCLUDED_ONLY) 0/620 variables, 620/620 constraints. Problems are: Problem set: 0 solved, 520 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/620 variables, 0/620 constraints. Problems are: Problem set: 0 solved, 520 unsolved
At refinement iteration 2 (OVERLAPS) 1/621 variables, 221/841 constraints. Problems are: Problem set: 0 solved, 520 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/621 variables, 1/842 constraints. Problems are: Problem set: 0 solved, 520 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/621 variables, 0/842 constraints. Problems are: Problem set: 0 solved, 520 unsolved
At refinement iteration 5 (OVERLAPS) 521/1142 variables, 621/1463 constraints. Problems are: Problem set: 0 solved, 520 unsolved
[2024-05-29 08:51:34] [INFO ] Deduced a trap composed of 11 places in 19 ms of which 1 ms to minimize.
[2024-05-29 08:51:34] [INFO ] Deduced a trap composed of 11 places in 19 ms of which 0 ms to minimize.
[2024-05-29 08:51:37] [INFO ] Deduced a trap composed of 18 places in 28 ms of which 0 ms to minimize.
[2024-05-29 08:51:37] [INFO ] Deduced a trap composed of 18 places in 26 ms of which 1 ms to minimize.
[2024-05-29 08:51:37] [INFO ] Deduced a trap composed of 18 places in 25 ms of which 1 ms to minimize.
Error getting values : (error "ParserException while parsing response: (timeout
org.smtlib.IParser$ParserException: Unbalanced parentheses at end of input")
At refinement iteration 6 (INCLUDED_ONLY) 0/1142 variables, 5/1468 constraints. Problems are: Problem set: 0 solved, 520 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Real declared 1142/1142 variables, and 1468 constraints, problems are : Problem set: 0 solved, 520 unsolved in 30014 ms.
Refiners :[Domain max(s): 621/621 constraints, Positive P Invariants (semi-flows): 221/221 constraints, State Equation: 621/621 constraints, PredecessorRefiner: 520/520 constraints, Known Traps: 5/5 constraints]
Escalating to Integer solving :Problem set: 0 solved, 520 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/620 variables, 620/620 constraints. Problems are: Problem set: 0 solved, 520 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/620 variables, 0/620 constraints. Problems are: Problem set: 0 solved, 520 unsolved
At refinement iteration 2 (OVERLAPS) 1/621 variables, 221/841 constraints. Problems are: Problem set: 0 solved, 520 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/621 variables, 1/842 constraints. Problems are: Problem set: 0 solved, 520 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/621 variables, 5/847 constraints. Problems are: Problem set: 0 solved, 520 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/621 variables, 0/847 constraints. Problems are: Problem set: 0 solved, 520 unsolved
At refinement iteration 6 (OVERLAPS) 521/1142 variables, 621/1468 constraints. Problems are: Problem set: 0 solved, 520 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/1142 variables, 520/1988 constraints. Problems are: Problem set: 0 solved, 520 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 1142/1142 variables, and 1988 constraints, problems are : Problem set: 0 solved, 520 unsolved in 30013 ms.
Refiners :[Domain max(s): 621/621 constraints, Positive P Invariants (semi-flows): 221/221 constraints, State Equation: 621/621 constraints, PredecessorRefiner: 520/520 constraints, Known Traps: 5/5 constraints]
After SMT, in 60119ms problems are : Problem set: 0 solved, 520 unsolved
Search for dead transitions found 0 dead transitions in 60124ms
Starting structural reductions in SI_LTL mode, iteration 1 : 621/623 places, 521/523 transitions.
Finished structural reductions in SI_LTL mode , in 1 iterations and 60981 ms. Remains : 621/623 places, 521/523 transitions.
Stuttering acceptance computed with spot in 73 ms :[(AND (NOT p1) p0), (AND (NOT p1) p0)]
Running random walk in product with property : ShieldPPPs-PT-020A-LTLFireability-04
Product exploration explored 100000 steps with 4609 reset in 452 ms.
Product exploration explored 100000 steps with 4615 reset in 524 ms.
Computed a total of 1 stabilizing places and 1 stable transitions
Computed a total of 1 stabilizing places and 1 stable transitions
Knowledge obtained : [(AND p1 (NOT p0)), (X (NOT (AND (NOT p1) (NOT p0)))), (X (NOT p0)), (X p1), (X (NOT (AND (NOT p1) p0))), (X (X (NOT (AND (NOT p1) (NOT p0))))), (X (X (NOT p0))), (X (X p1)), (X (X (NOT (AND (NOT p1) p0))))]
False Knowledge obtained : []
Knowledge based reduction with 9 factoid took 89 ms. Reduced automaton from 2 states, 4 edges and 2 AP (stutter insensitive) to 2 states, 4 edges and 2 AP (stutter insensitive).
Stuttering acceptance computed with spot in 84 ms :[(AND p0 (NOT p1)), (AND p0 (NOT p1))]
RANDOM walk for 3491 steps (0 resets) in 24 ms. (139 steps per ms) remains 0/4 properties
Knowledge obtained : [(AND p1 (NOT p0)), (X (NOT (AND (NOT p1) (NOT p0)))), (X (NOT p0)), (X p1), (X (NOT (AND (NOT p1) p0))), (X (X (NOT (AND (NOT p1) (NOT p0))))), (X (X (NOT p0))), (X (X p1)), (X (X (NOT (AND (NOT p1) p0))))]
False Knowledge obtained : [(F (NOT p1)), (F (NOT (OR (NOT p0) p1))), (F p0), (F (NOT (OR p0 p1)))]
Knowledge based reduction with 9 factoid took 215 ms. Reduced automaton from 2 states, 4 edges and 2 AP (stutter insensitive) to 2 states, 4 edges and 2 AP (stutter insensitive).
Stuttering acceptance computed with spot in 61 ms :[(AND p0 (NOT p1)), (AND p0 (NOT p1))]
Stuttering acceptance computed with spot in 81 ms :[(AND p0 (NOT p1)), (AND p0 (NOT p1))]
Support contains 3 out of 621 places. Attempting structural reductions.
Starting structural reductions in SI_LTL mode, iteration 0 : 621/621 places, 521/521 transitions.
Applied a total of 0 rules in 19 ms. Remains 621 /621 variables (removed 0) and now considering 521/521 (removed 0) transitions.
[2024-05-29 08:52:17] [INFO ] Invariant cache hit.
[2024-05-29 08:52:17] [INFO ] Implicit Places using invariants in 301 ms returned []
[2024-05-29 08:52:17] [INFO ] Invariant cache hit.
[2024-05-29 08:52:18] [INFO ] Implicit Places using invariants and state equation in 544 ms returned []
Implicit Place search using SMT with State Equation took 846 ms to find 0 implicit places.
[2024-05-29 08:52:18] [INFO ] Redundant transitions in 3 ms returned []
Running 520 sub problems to find dead transitions.
[2024-05-29 08:52:18] [INFO ] Invariant cache hit.
At refinement iteration 0 (INCLUDED_ONLY) 0/620 variables, 620/620 constraints. Problems are: Problem set: 0 solved, 520 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/620 variables, 0/620 constraints. Problems are: Problem set: 0 solved, 520 unsolved
At refinement iteration 2 (OVERLAPS) 1/621 variables, 221/841 constraints. Problems are: Problem set: 0 solved, 520 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/621 variables, 1/842 constraints. Problems are: Problem set: 0 solved, 520 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/621 variables, 0/842 constraints. Problems are: Problem set: 0 solved, 520 unsolved
At refinement iteration 5 (OVERLAPS) 521/1142 variables, 621/1463 constraints. Problems are: Problem set: 0 solved, 520 unsolved
[2024-05-29 08:52:37] [INFO ] Deduced a trap composed of 11 places in 29 ms of which 1 ms to minimize.
[2024-05-29 08:52:37] [INFO ] Deduced a trap composed of 11 places in 23 ms of which 0 ms to minimize.
[2024-05-29 08:52:40] [INFO ] Deduced a trap composed of 18 places in 22 ms of which 0 ms to minimize.
[2024-05-29 08:52:40] [INFO ] Deduced a trap composed of 18 places in 21 ms of which 0 ms to minimize.
[2024-05-29 08:52:40] [INFO ] Deduced a trap composed of 18 places in 24 ms of which 1 ms to minimize.
Error getting values : (error "ParserException while parsing response: ((s0 0.0)
(s1 1.0)
(s2 0.0)
(s3 1.0)
(s4 0.0)
(s5 0.0)
(s6 0.0)
(s7 1.0)
(s8 0.0)
(s9 1.0)
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0.0) org.smtlib.IParser$ParserException: Unbalanced parentheses at end of input")
At refinement iteration 6 (INCLUDED_ONLY) 0/1142 variables, 5/1468 constraints. Problems are: Problem set: 0 solved, 520 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Real declared 1142/1142 variables, and 1468 constraints, problems are : Problem set: 0 solved, 520 unsolved in 30019 ms.
Refiners :[Domain max(s): 621/621 constraints, Positive P Invariants (semi-flows): 221/221 constraints, State Equation: 621/621 constraints, PredecessorRefiner: 520/520 constraints, Known Traps: 5/5 constraints]
Escalating to Integer solving :Problem set: 0 solved, 520 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/620 variables, 620/620 constraints. Problems are: Problem set: 0 solved, 520 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/620 variables, 0/620 constraints. Problems are: Problem set: 0 solved, 520 unsolved
At refinement iteration 2 (OVERLAPS) 1/621 variables, 221/841 constraints. Problems are: Problem set: 0 solved, 520 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/621 variables, 1/842 constraints. Problems are: Problem set: 0 solved, 520 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/621 variables, 5/847 constraints. Problems are: Problem set: 0 solved, 520 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/621 variables, 0/847 constraints. Problems are: Problem set: 0 solved, 520 unsolved
At refinement iteration 6 (OVERLAPS) 521/1142 variables, 621/1468 constraints. Problems are: Problem set: 0 solved, 520 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/1142 variables, 520/1988 constraints. Problems are: Problem set: 0 solved, 520 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 1142/1142 variables, and 1988 constraints, problems are : Problem set: 0 solved, 520 unsolved in 30014 ms.
Refiners :[Domain max(s): 621/621 constraints, Positive P Invariants (semi-flows): 221/221 constraints, State Equation: 621/621 constraints, PredecessorRefiner: 520/520 constraints, Known Traps: 5/5 constraints]
After SMT, in 60116ms problems are : Problem set: 0 solved, 520 unsolved
Search for dead transitions found 0 dead transitions in 60121ms
Finished structural reductions in SI_LTL mode , in 1 iterations and 60994 ms. Remains : 621/621 places, 521/521 transitions.
Computed a total of 1 stabilizing places and 1 stable transitions
Computed a total of 1 stabilizing places and 1 stable transitions
Knowledge obtained : [(AND (NOT p0) p1), (X (NOT (AND p0 (NOT p1)))), (X (NOT (AND (NOT p0) (NOT p1)))), (X (NOT p0)), (X p1), (X (X (NOT (AND p0 (NOT p1))))), (X (X (NOT (AND (NOT p0) (NOT p1))))), (X (X (NOT p0))), (X (X p1))]
False Knowledge obtained : []
Knowledge based reduction with 9 factoid took 100 ms. Reduced automaton from 2 states, 4 edges and 2 AP (stutter insensitive) to 2 states, 4 edges and 2 AP (stutter insensitive).
Stuttering acceptance computed with spot in 58 ms :[(AND p0 (NOT p1)), (AND p0 (NOT p1))]
RANDOM walk for 3556 steps (0 resets) in 37 ms. (93 steps per ms) remains 0/4 properties
Knowledge obtained : [(AND (NOT p0) p1), (X (NOT (AND p0 (NOT p1)))), (X (NOT (AND (NOT p0) (NOT p1)))), (X (NOT p0)), (X p1), (X (X (NOT (AND p0 (NOT p1))))), (X (X (NOT (AND (NOT p0) (NOT p1))))), (X (X (NOT p0))), (X (X p1))]
False Knowledge obtained : [(F (NOT p1)), (F (NOT (OR (NOT p0) p1))), (F p0), (F (NOT (OR p0 p1)))]
Knowledge based reduction with 9 factoid took 221 ms. Reduced automaton from 2 states, 4 edges and 2 AP (stutter insensitive) to 2 states, 4 edges and 2 AP (stutter insensitive).
Stuttering acceptance computed with spot in 77 ms :[(AND p0 (NOT p1)), (AND p0 (NOT p1))]
Stuttering acceptance computed with spot in 70 ms :[(AND p0 (NOT p1)), (AND p0 (NOT p1))]
Stuttering acceptance computed with spot in 73 ms :[(AND p0 (NOT p1)), (AND p0 (NOT p1))]
Product exploration explored 100000 steps with 4619 reset in 450 ms.
Product exploration explored 100000 steps with 4639 reset in 525 ms.
Support contains 3 out of 621 places. Attempting structural reductions.
Starting structural reductions in SI_LTL mode, iteration 0 : 621/621 places, 521/521 transitions.
Applied a total of 0 rules in 15 ms. Remains 621 /621 variables (removed 0) and now considering 521/521 (removed 0) transitions.
[2024-05-29 08:53:20] [INFO ] Invariant cache hit.
[2024-05-29 08:53:20] [INFO ] Implicit Places using invariants in 285 ms returned []
[2024-05-29 08:53:20] [INFO ] Invariant cache hit.
[2024-05-29 08:53:21] [INFO ] Implicit Places using invariants and state equation in 540 ms returned []
Implicit Place search using SMT with State Equation took 826 ms to find 0 implicit places.
[2024-05-29 08:53:21] [INFO ] Redundant transitions in 3 ms returned []
Running 520 sub problems to find dead transitions.
[2024-05-29 08:53:21] [INFO ] Invariant cache hit.
At refinement iteration 0 (INCLUDED_ONLY) 0/620 variables, 620/620 constraints. Problems are: Problem set: 0 solved, 520 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/620 variables, 0/620 constraints. Problems are: Problem set: 0 solved, 520 unsolved
At refinement iteration 2 (OVERLAPS) 1/621 variables, 221/841 constraints. Problems are: Problem set: 0 solved, 520 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/621 variables, 1/842 constraints. Problems are: Problem set: 0 solved, 520 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/621 variables, 0/842 constraints. Problems are: Problem set: 0 solved, 520 unsolved
At refinement iteration 5 (OVERLAPS) 521/1142 variables, 621/1463 constraints. Problems are: Problem set: 0 solved, 520 unsolved
[2024-05-29 08:53:39] [INFO ] Deduced a trap composed of 11 places in 27 ms of which 1 ms to minimize.
[2024-05-29 08:53:39] [INFO ] Deduced a trap composed of 11 places in 22 ms of which 0 ms to minimize.
[2024-05-29 08:53:42] [INFO ] Deduced a trap composed of 18 places in 29 ms of which 0 ms to minimize.
[2024-05-29 08:53:42] [INFO ] Deduced a trap composed of 18 places in 24 ms of which 0 ms to minimize.
[2024-05-29 08:53:42] [INFO ] Deduced a trap composed of 18 places in 27 ms of which 1 ms to minimize.
At refinement iteration 6 (INCLUDED_ONLY) 0/1142 variables, 5/1468 constraints. Problems are: Problem set: 0 solved, 520 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Real declared 1142/1142 variables, and 1468 constraints, problems are : Problem set: 0 solved, 520 unsolved in 30017 ms.
Refiners :[Domain max(s): 621/621 constraints, Positive P Invariants (semi-flows): 221/221 constraints, State Equation: 621/621 constraints, PredecessorRefiner: 520/520 constraints, Known Traps: 5/5 constraints]
Escalating to Integer solving :Problem set: 0 solved, 520 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/620 variables, 620/620 constraints. Problems are: Problem set: 0 solved, 520 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/620 variables, 0/620 constraints. Problems are: Problem set: 0 solved, 520 unsolved
At refinement iteration 2 (OVERLAPS) 1/621 variables, 221/841 constraints. Problems are: Problem set: 0 solved, 520 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/621 variables, 1/842 constraints. Problems are: Problem set: 0 solved, 520 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/621 variables, 5/847 constraints. Problems are: Problem set: 0 solved, 520 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/621 variables, 0/847 constraints. Problems are: Problem set: 0 solved, 520 unsolved
At refinement iteration 6 (OVERLAPS) 521/1142 variables, 621/1468 constraints. Problems are: Problem set: 0 solved, 520 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/1142 variables, 520/1988 constraints. Problems are: Problem set: 0 solved, 520 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 1142/1142 variables, and 1988 constraints, problems are : Problem set: 0 solved, 520 unsolved in 30022 ms.
Refiners :[Domain max(s): 621/621 constraints, Positive P Invariants (semi-flows): 221/221 constraints, State Equation: 621/621 constraints, PredecessorRefiner: 520/520 constraints, Known Traps: 5/5 constraints]
After SMT, in 60128ms problems are : Problem set: 0 solved, 520 unsolved
Search for dead transitions found 0 dead transitions in 60134ms
Finished structural reductions in SI_LTL mode , in 1 iterations and 60984 ms. Remains : 621/621 places, 521/521 transitions.
Treatment of property ShieldPPPs-PT-020A-LTLFireability-04 finished in 186264 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 623 places. Attempting structural reductions.
Starting structural reductions in SI_LTL mode, iteration 0 : 623/623 places, 523/523 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 0 ms
Reduce places removed 1 places and 0 transitions.
Iterating global reduction 0 with 2 rules applied. Total rules applied 2 place count 621 transition count 521
Performed 1 Post agglomeration using F-continuation condition.Transition count delta: 1
Deduced a syphon composed of 1 places in 0 ms
Reduce places removed 1 places and 0 transitions.
Iterating global reduction 0 with 2 rules applied. Total rules applied 4 place count 620 transition count 520
Applied a total of 4 rules in 34 ms. Remains 620 /623 variables (removed 3) and now considering 520/523 (removed 3) transitions.
// Phase 1: matrix 520 rows 620 cols
[2024-05-29 08:54:21] [INFO ] Computed 221 invariants in 3 ms
[2024-05-29 08:54:21] [INFO ] Implicit Places using invariants in 297 ms returned []
[2024-05-29 08:54:21] [INFO ] Invariant cache hit.
[2024-05-29 08:54:22] [INFO ] Implicit Places using invariants and state equation in 542 ms returned []
Implicit Place search using SMT with State Equation took 841 ms to find 0 implicit places.
[2024-05-29 08:54:22] [INFO ] Redundant transitions in 3 ms returned []
Running 518 sub problems to find dead transitions.
[2024-05-29 08:54:22] [INFO ] Invariant cache hit.
At refinement iteration 0 (INCLUDED_ONLY) 0/620 variables, 620/620 constraints. Problems are: Problem set: 0 solved, 518 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/620 variables, 221/841 constraints. Problems are: Problem set: 0 solved, 518 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/620 variables, 0/841 constraints. Problems are: Problem set: 0 solved, 518 unsolved
At refinement iteration 3 (OVERLAPS) 520/1140 variables, 620/1461 constraints. Problems are: Problem set: 0 solved, 518 unsolved
[2024-05-29 08:54:42] [INFO ] Deduced a trap composed of 12 places in 38 ms of which 1 ms to minimize.
At refinement iteration 4 (INCLUDED_ONLY) 0/1140 variables, 1/1462 constraints. Problems are: Problem set: 0 solved, 518 unsolved
[2024-05-29 08:54:48] [INFO ] Deduced a trap composed of 17 places in 28 ms of which 1 ms to minimize.
[2024-05-29 08:54:48] [INFO ] Deduced a trap composed of 17 places in 22 ms of which 1 ms to minimize.
[2024-05-29 08:54:48] [INFO ] Deduced a trap composed of 17 places in 21 ms of which 0 ms to minimize.
Error getting values : (error "ParserException while parsing response: (timeout
org.smtlib.IParser$ParserException: Unbalanced parentheses at end of input")
Solver is answering 'unknown', stopping.
After SMT solving in domain Real declared 1140/1140 variables, and 1465 constraints, problems are : Problem set: 0 solved, 518 unsolved in 30022 ms.
Refiners :[Domain max(s): 620/620 constraints, Positive P Invariants (semi-flows): 221/221 constraints, State Equation: 620/620 constraints, PredecessorRefiner: 518/518 constraints, Known Traps: 4/4 constraints]
Escalating to Integer solving :Problem set: 0 solved, 518 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/620 variables, 620/620 constraints. Problems are: Problem set: 0 solved, 518 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/620 variables, 221/841 constraints. Problems are: Problem set: 0 solved, 518 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/620 variables, 4/845 constraints. Problems are: Problem set: 0 solved, 518 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/620 variables, 0/845 constraints. Problems are: Problem set: 0 solved, 518 unsolved
At refinement iteration 4 (OVERLAPS) 520/1140 variables, 620/1465 constraints. Problems are: Problem set: 0 solved, 518 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/1140 variables, 518/1983 constraints. Problems are: Problem set: 0 solved, 518 unsolved
[2024-05-29 08:55:04] [INFO ] Deduced a trap composed of 15 places in 29 ms of which 0 ms to minimize.
[2024-05-29 08:55:04] [INFO ] Deduced a trap composed of 10 places in 29 ms of which 0 ms to minimize.
[2024-05-29 08:55:04] [INFO ] Deduced a trap composed of 12 places in 21 ms of which 1 ms to minimize.
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 1140/1140 variables, and 1986 constraints, problems are : Problem set: 0 solved, 518 unsolved in 30019 ms.
Refiners :[Domain max(s): 620/620 constraints, Positive P Invariants (semi-flows): 221/221 constraints, State Equation: 620/620 constraints, PredecessorRefiner: 518/518 constraints, Known Traps: 7/7 constraints]
After SMT, in 60120ms problems are : Problem set: 0 solved, 518 unsolved
Search for dead transitions found 0 dead transitions in 60125ms
Starting structural reductions in SI_LTL mode, iteration 1 : 620/623 places, 520/523 transitions.
Finished structural reductions in SI_LTL mode , in 1 iterations and 61009 ms. Remains : 620/623 places, 520/523 transitions.
Stuttering acceptance computed with spot in 49 ms :[(NOT p0)]
Running random walk in product with property : ShieldPPPs-PT-020A-LTLFireability-05
Product exploration explored 100000 steps with 3464 reset in 362 ms.
Product exploration explored 100000 steps with 3451 reset in 434 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 74 ms. Reduced automaton from 1 states, 1 edges and 1 AP (stutter insensitive) to 1 states, 1 edges and 1 AP (stutter insensitive).
Stuttering acceptance computed with spot in 37 ms :[(NOT p0)]
RANDOM walk for 115 steps (0 resets) in 4 ms. (23 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 94 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 32 ms :[(NOT p0)]
Stuttering acceptance computed with spot in 31 ms :[(NOT p0)]
[2024-05-29 08:55:23] [INFO ] Invariant cache hit.
[2024-05-29 08:55:23] [INFO ] [Real]Absence check using 221 positive place invariants in 82 ms returned sat
[2024-05-29 08:55:24] [INFO ] [Real]Absence check using state equation in 964 ms returned sat
[2024-05-29 08:55:24] [INFO ] Solution in real domain found non-integer solution.
[2024-05-29 08:55:25] [INFO ] [Nat]Absence check using 221 positive place invariants in 70 ms returned sat
[2024-05-29 08:55:25] [INFO ] [Nat]Absence check using state equation in 775 ms returned sat
[2024-05-29 08:55:25] [INFO ] Computed and/alt/rep : 518/993/518 causal constraints (skipped 0 transitions) in 29 ms.
[2024-05-29 08:55:36] [INFO ] Added : 503 causal constraints over 103 iterations in 10330 ms. Result :unknown
Could not prove EG (NOT p0)
Support contains 1 out of 620 places. Attempting structural reductions.
Starting structural reductions in SI_LTL mode, iteration 0 : 620/620 places, 520/520 transitions.
Applied a total of 0 rules in 19 ms. Remains 620 /620 variables (removed 0) and now considering 520/520 (removed 0) transitions.
[2024-05-29 08:55:36] [INFO ] Invariant cache hit.
[2024-05-29 08:55:36] [INFO ] Implicit Places using invariants in 277 ms returned []
[2024-05-29 08:55:36] [INFO ] Invariant cache hit.
[2024-05-29 08:55:37] [INFO ] Implicit Places using invariants and state equation in 533 ms returned []
Implicit Place search using SMT with State Equation took 820 ms to find 0 implicit places.
[2024-05-29 08:55:37] [INFO ] Redundant transitions in 3 ms returned []
Running 518 sub problems to find dead transitions.
[2024-05-29 08:55:37] [INFO ] Invariant cache hit.
At refinement iteration 0 (INCLUDED_ONLY) 0/620 variables, 620/620 constraints. Problems are: Problem set: 0 solved, 518 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/620 variables, 221/841 constraints. Problems are: Problem set: 0 solved, 518 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/620 variables, 0/841 constraints. Problems are: Problem set: 0 solved, 518 unsolved
At refinement iteration 3 (OVERLAPS) 520/1140 variables, 620/1461 constraints. Problems are: Problem set: 0 solved, 518 unsolved
[2024-05-29 08:55:57] [INFO ] Deduced a trap composed of 12 places in 36 ms of which 0 ms to minimize.
At refinement iteration 4 (INCLUDED_ONLY) 0/1140 variables, 1/1462 constraints. Problems are: Problem set: 0 solved, 518 unsolved
[2024-05-29 08:56:03] [INFO ] Deduced a trap composed of 17 places in 24 ms of which 1 ms to minimize.
[2024-05-29 08:56:03] [INFO ] Deduced a trap composed of 17 places in 22 ms of which 0 ms to minimize.
[2024-05-29 08:56:03] [INFO ] Deduced a trap composed of 17 places in 29 ms of which 1 ms to minimize.
Solver is answering 'unknown', stopping.
After SMT solving in domain Real declared 1140/1140 variables, and 1465 constraints, problems are : Problem set: 0 solved, 518 unsolved in 30014 ms.
Refiners :[Domain max(s): 620/620 constraints, Positive P Invariants (semi-flows): 221/221 constraints, State Equation: 620/620 constraints, PredecessorRefiner: 518/518 constraints, Known Traps: 4/4 constraints]
Escalating to Integer solving :Problem set: 0 solved, 518 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/620 variables, 620/620 constraints. Problems are: Problem set: 0 solved, 518 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/620 variables, 221/841 constraints. Problems are: Problem set: 0 solved, 518 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/620 variables, 4/845 constraints. Problems are: Problem set: 0 solved, 518 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/620 variables, 0/845 constraints. Problems are: Problem set: 0 solved, 518 unsolved
At refinement iteration 4 (OVERLAPS) 520/1140 variables, 620/1465 constraints. Problems are: Problem set: 0 solved, 518 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/1140 variables, 518/1983 constraints. Problems are: Problem set: 0 solved, 518 unsolved
[2024-05-29 08:56:19] [INFO ] Deduced a trap composed of 15 places in 26 ms of which 1 ms to minimize.
[2024-05-29 08:56:19] [INFO ] Deduced a trap composed of 10 places in 23 ms of which 1 ms to minimize.
[2024-05-29 08:56:19] [INFO ] Deduced a trap composed of 12 places in 20 ms of which 0 ms to minimize.
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 1140/1140 variables, and 1986 constraints, problems are : Problem set: 0 solved, 518 unsolved in 30022 ms.
Refiners :[Domain max(s): 620/620 constraints, Positive P Invariants (semi-flows): 221/221 constraints, State Equation: 620/620 constraints, PredecessorRefiner: 518/518 constraints, Known Traps: 7/7 constraints]
After SMT, in 60107ms problems are : Problem set: 0 solved, 518 unsolved
Search for dead transitions found 0 dead transitions in 60113ms
Finished structural reductions in SI_LTL mode , in 1 iterations and 60961 ms. Remains : 620/620 places, 520/520 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 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 36 ms :[(NOT p0)]
RANDOM walk for 123 steps (0 resets) in 6 ms. (17 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 96 ms. Reduced automaton from 1 states, 1 edges and 1 AP (stutter insensitive) to 1 states, 1 edges and 1 AP (stutter insensitive).
Stuttering acceptance computed with spot in 37 ms :[(NOT p0)]
Stuttering acceptance computed with spot in 26 ms :[(NOT p0)]
[2024-05-29 08:56:37] [INFO ] Invariant cache hit.
[2024-05-29 08:56:37] [INFO ] [Real]Absence check using 221 positive place invariants in 82 ms returned sat
[2024-05-29 08:56:38] [INFO ] [Real]Absence check using state equation in 957 ms returned sat
[2024-05-29 08:56:38] [INFO ] Solution in real domain found non-integer solution.
[2024-05-29 08:56:39] [INFO ] [Nat]Absence check using 221 positive place invariants in 69 ms returned sat
[2024-05-29 08:56:39] [INFO ] [Nat]Absence check using state equation in 780 ms returned sat
[2024-05-29 08:56:40] [INFO ] Computed and/alt/rep : 518/993/518 causal constraints (skipped 0 transitions) in 28 ms.
[2024-05-29 08:56:50] [INFO ] Added : 503 causal constraints over 103 iterations in 10304 ms. Result :unknown
Could not prove EG (NOT p0)
Stuttering acceptance computed with spot in 40 ms :[(NOT p0)]
Product exploration explored 100000 steps with 3472 reset in 355 ms.
Product exploration explored 100000 steps with 3439 reset in 437 ms.
Support contains 1 out of 620 places. Attempting structural reductions.
Starting structural reductions in SI_LTL mode, iteration 0 : 620/620 places, 520/520 transitions.
Applied a total of 0 rules in 12 ms. Remains 620 /620 variables (removed 0) and now considering 520/520 (removed 0) transitions.
[2024-05-29 08:56:51] [INFO ] Invariant cache hit.
[2024-05-29 08:56:51] [INFO ] Implicit Places using invariants in 290 ms returned []
[2024-05-29 08:56:51] [INFO ] Invariant cache hit.
[2024-05-29 08:56:51] [INFO ] Implicit Places using invariants and state equation in 535 ms returned []
Implicit Place search using SMT with State Equation took 827 ms to find 0 implicit places.
[2024-05-29 08:56:51] [INFO ] Redundant transitions in 3 ms returned []
Running 518 sub problems to find dead transitions.
[2024-05-29 08:56:51] [INFO ] Invariant cache hit.
At refinement iteration 0 (INCLUDED_ONLY) 0/620 variables, 620/620 constraints. Problems are: Problem set: 0 solved, 518 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/620 variables, 221/841 constraints. Problems are: Problem set: 0 solved, 518 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/620 variables, 0/841 constraints. Problems are: Problem set: 0 solved, 518 unsolved
At refinement iteration 3 (OVERLAPS) 520/1140 variables, 620/1461 constraints. Problems are: Problem set: 0 solved, 518 unsolved
[2024-05-29 08:57:12] [INFO ] Deduced a trap composed of 12 places in 38 ms of which 1 ms to minimize.
At refinement iteration 4 (INCLUDED_ONLY) 0/1140 variables, 1/1462 constraints. Problems are: Problem set: 0 solved, 518 unsolved
[2024-05-29 08:57:18] [INFO ] Deduced a trap composed of 17 places in 28 ms of which 1 ms to minimize.
[2024-05-29 08:57:19] [INFO ] Deduced a trap composed of 17 places in 23 ms of which 1 ms to minimize.
[2024-05-29 08:57:19] [INFO ] Deduced a trap composed of 17 places in 27 ms of which 0 ms to minimize.
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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 1140/1140 variables, and 1465 constraints, problems are : Problem set: 0 solved, 518 unsolved in 30018 ms.
Refiners :[Domain max(s): 620/620 constraints, Positive P Invariants (semi-flows): 221/221 constraints, State Equation: 620/620 constraints, PredecessorRefiner: 518/518 constraints, Known Traps: 4/4 constraints]
Escalating to Integer solving :Problem set: 0 solved, 518 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/620 variables, 620/620 constraints. Problems are: Problem set: 0 solved, 518 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/620 variables, 221/841 constraints. Problems are: Problem set: 0 solved, 518 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/620 variables, 4/845 constraints. Problems are: Problem set: 0 solved, 518 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/620 variables, 0/845 constraints. Problems are: Problem set: 0 solved, 518 unsolved
At refinement iteration 4 (OVERLAPS) 520/1140 variables, 620/1465 constraints. Problems are: Problem set: 0 solved, 518 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/1140 variables, 518/1983 constraints. Problems are: Problem set: 0 solved, 518 unsolved
[2024-05-29 08:57:34] [INFO ] Deduced a trap composed of 15 places in 29 ms of which 0 ms to minimize.
[2024-05-29 08:57:34] [INFO ] Deduced a trap composed of 10 places in 19 ms of which 0 ms to minimize.
[2024-05-29 08:57:34] [INFO ] Deduced a trap composed of 12 places in 25 ms of which 1 ms to minimize.
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 1140/1140 variables, and 1986 constraints, problems are : Problem set: 0 solved, 518 unsolved in 30020 ms.
Refiners :[Domain max(s): 620/620 constraints, Positive P Invariants (semi-flows): 221/221 constraints, State Equation: 620/620 constraints, PredecessorRefiner: 518/518 constraints, Known Traps: 7/7 constraints]
After SMT, in 60099ms problems are : Problem set: 0 solved, 518 unsolved
Search for dead transitions found 0 dead transitions in 60103ms
Finished structural reductions in SI_LTL mode , in 1 iterations and 60951 ms. Remains : 620/620 places, 520/520 transitions.
Treatment of property ShieldPPPs-PT-020A-LTLFireability-05 finished in 210915 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((p0&&X(F(p1))))&&(p2||X(p3)))))'
Support contains 8 out of 623 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 623/623 places, 523/523 transitions.
Applied a total of 0 rules in 7 ms. Remains 623 /623 variables (removed 0) and now considering 523/523 (removed 0) transitions.
// Phase 1: matrix 523 rows 623 cols
[2024-05-29 08:57:52] [INFO ] Computed 221 invariants in 2 ms
[2024-05-29 08:57:52] [INFO ] Implicit Places using invariants in 295 ms returned []
[2024-05-29 08:57:52] [INFO ] Invariant cache hit.
[2024-05-29 08:57:52] [INFO ] Implicit Places using invariants and state equation in 526 ms returned []
Implicit Place search using SMT with State Equation took 822 ms to find 0 implicit places.
Running 522 sub problems to find dead transitions.
[2024-05-29 08:57:52] [INFO ] Invariant cache hit.
At refinement iteration 0 (INCLUDED_ONLY) 0/622 variables, 622/622 constraints. Problems are: Problem set: 0 solved, 522 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/622 variables, 0/622 constraints. Problems are: Problem set: 0 solved, 522 unsolved
At refinement iteration 2 (OVERLAPS) 1/623 variables, 221/843 constraints. Problems are: Problem set: 0 solved, 522 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/623 variables, 1/844 constraints. Problems are: Problem set: 0 solved, 522 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/623 variables, 0/844 constraints. Problems are: Problem set: 0 solved, 522 unsolved
At refinement iteration 5 (OVERLAPS) 523/1146 variables, 623/1467 constraints. Problems are: Problem set: 0 solved, 522 unsolved
[2024-05-29 08:58:11] [INFO ] Deduced a trap composed of 11 places in 29 ms of which 1 ms to minimize.
At refinement iteration 6 (INCLUDED_ONLY) 0/1146 variables, 1/1468 constraints. Problems are: Problem set: 0 solved, 522 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Real declared 1146/1146 variables, and 1468 constraints, problems are : Problem set: 0 solved, 522 unsolved in 30011 ms.
Refiners :[Domain max(s): 623/623 constraints, Positive P Invariants (semi-flows): 221/221 constraints, State Equation: 623/623 constraints, PredecessorRefiner: 522/522 constraints, Known Traps: 1/1 constraints]
Escalating to Integer solving :Problem set: 0 solved, 522 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/622 variables, 622/622 constraints. Problems are: Problem set: 0 solved, 522 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/622 variables, 0/622 constraints. Problems are: Problem set: 0 solved, 522 unsolved
At refinement iteration 2 (OVERLAPS) 1/623 variables, 221/843 constraints. Problems are: Problem set: 0 solved, 522 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/623 variables, 1/844 constraints. Problems are: Problem set: 0 solved, 522 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/623 variables, 1/845 constraints. Problems are: Problem set: 0 solved, 522 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/623 variables, 0/845 constraints. Problems are: Problem set: 0 solved, 522 unsolved
At refinement iteration 6 (OVERLAPS) 523/1146 variables, 623/1468 constraints. Problems are: Problem set: 0 solved, 522 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/1146 variables, 522/1990 constraints. Problems are: Problem set: 0 solved, 522 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 1146/1146 variables, and 1990 constraints, problems are : Problem set: 0 solved, 522 unsolved in 30021 ms.
Refiners :[Domain max(s): 623/623 constraints, Positive P Invariants (semi-flows): 221/221 constraints, State Equation: 623/623 constraints, PredecessorRefiner: 522/522 constraints, Known Traps: 1/1 constraints]
After SMT, in 60121ms problems are : Problem set: 0 solved, 522 unsolved
Search for dead transitions found 0 dead transitions in 60127ms
Finished structural reductions in LTL mode , in 1 iterations and 60957 ms. Remains : 623/623 places, 523/523 transitions.
Stuttering acceptance computed with spot in 218 ms :[(NOT p1), (OR (NOT p0) (NOT p3) (NOT p1)), (OR (NOT p0) (NOT p1)), (OR (NOT p1) (NOT p0) (AND (NOT p2) (NOT p3))), (OR (NOT p1) (NOT p0) (AND (NOT p2) (NOT p3))), true]
Running random walk in product with property : ShieldPPPs-PT-020A-LTLFireability-06
Entered a terminal (fully accepting) state of product in 2 steps with 0 reset in 0 ms.
FORMULA ShieldPPPs-PT-020A-LTLFireability-06 FALSE TECHNIQUES STUTTER_TEST
Treatment of property ShieldPPPs-PT-020A-LTLFireability-06 finished in 61189 ms.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202405141337/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!(X(F(p0)))'
Support contains 2 out of 623 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 623/623 places, 523/523 transitions.
Applied a total of 0 rules in 6 ms. Remains 623 /623 variables (removed 0) and now considering 523/523 (removed 0) transitions.
[2024-05-29 08:58:53] [INFO ] Invariant cache hit.
[2024-05-29 08:58:53] [INFO ] Implicit Places using invariants in 287 ms returned []
[2024-05-29 08:58:53] [INFO ] Invariant cache hit.
[2024-05-29 08:58:54] [INFO ] Implicit Places using invariants and state equation in 543 ms returned []
Implicit Place search using SMT with State Equation took 832 ms to find 0 implicit places.
Running 522 sub problems to find dead transitions.
[2024-05-29 08:58:54] [INFO ] Invariant cache hit.
At refinement iteration 0 (INCLUDED_ONLY) 0/622 variables, 622/622 constraints. Problems are: Problem set: 0 solved, 522 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/622 variables, 0/622 constraints. Problems are: Problem set: 0 solved, 522 unsolved
At refinement iteration 2 (OVERLAPS) 1/623 variables, 221/843 constraints. Problems are: Problem set: 0 solved, 522 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/623 variables, 1/844 constraints. Problems are: Problem set: 0 solved, 522 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/623 variables, 0/844 constraints. Problems are: Problem set: 0 solved, 522 unsolved
At refinement iteration 5 (OVERLAPS) 523/1146 variables, 623/1467 constraints. Problems are: Problem set: 0 solved, 522 unsolved
[2024-05-29 08:59:12] [INFO ] Deduced a trap composed of 11 places in 24 ms of which 0 ms to minimize.
Error getting values : (error "ParserException while parsing response: (timeout
org.smtlib.IParser$ParserException: Unbalanced parentheses at end of input")
At refinement iteration 6 (INCLUDED_ONLY) 0/1146 variables, 1/1468 constraints. Problems are: Problem set: 0 solved, 522 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Real declared 1146/1146 variables, and 1468 constraints, problems are : Problem set: 0 solved, 522 unsolved in 30021 ms.
Refiners :[Domain max(s): 623/623 constraints, Positive P Invariants (semi-flows): 221/221 constraints, State Equation: 623/623 constraints, PredecessorRefiner: 522/522 constraints, Known Traps: 1/1 constraints]
Escalating to Integer solving :Problem set: 0 solved, 522 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/622 variables, 622/622 constraints. Problems are: Problem set: 0 solved, 522 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/622 variables, 0/622 constraints. Problems are: Problem set: 0 solved, 522 unsolved
At refinement iteration 2 (OVERLAPS) 1/623 variables, 221/843 constraints. Problems are: Problem set: 0 solved, 522 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/623 variables, 1/844 constraints. Problems are: Problem set: 0 solved, 522 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/623 variables, 1/845 constraints. Problems are: Problem set: 0 solved, 522 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/623 variables, 0/845 constraints. Problems are: Problem set: 0 solved, 522 unsolved
At refinement iteration 6 (OVERLAPS) 523/1146 variables, 623/1468 constraints. Problems are: Problem set: 0 solved, 522 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/1146 variables, 522/1990 constraints. Problems are: Problem set: 0 solved, 522 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 1146/1146 variables, and 1990 constraints, problems are : Problem set: 0 solved, 522 unsolved in 30017 ms.
Refiners :[Domain max(s): 623/623 constraints, Positive P Invariants (semi-flows): 221/221 constraints, State Equation: 623/623 constraints, PredecessorRefiner: 522/522 constraints, Known Traps: 1/1 constraints]
After SMT, in 60111ms problems are : Problem set: 0 solved, 522 unsolved
Search for dead transitions found 0 dead transitions in 60116ms
Finished structural reductions in LTL mode , in 1 iterations and 60957 ms. Remains : 623/623 places, 523/523 transitions.
Stuttering acceptance computed with spot in 149 ms :[(NOT p0), (NOT p0)]
Running random walk in product with property : ShieldPPPs-PT-020A-LTLFireability-07
Product exploration explored 100000 steps with 812 reset in 431 ms.
Stuttering criterion allowed to conclude after 42649 steps with 322 reset in 213 ms.
FORMULA ShieldPPPs-PT-020A-LTLFireability-07 FALSE TECHNIQUES STUTTER_TEST
Treatment of property ShieldPPPs-PT-020A-LTLFireability-07 finished in 61767 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&&X(p1)))&&F(p2))))'
Support contains 6 out of 623 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 623/623 places, 523/523 transitions.
Applied a total of 0 rules in 6 ms. Remains 623 /623 variables (removed 0) and now considering 523/523 (removed 0) transitions.
[2024-05-29 08:59:55] [INFO ] Invariant cache hit.
[2024-05-29 08:59:55] [INFO ] Implicit Places using invariants in 280 ms returned []
[2024-05-29 08:59:55] [INFO ] Invariant cache hit.
[2024-05-29 08:59:55] [INFO ] Implicit Places using invariants and state equation in 511 ms returned []
Implicit Place search using SMT with State Equation took 793 ms to find 0 implicit places.
Running 522 sub problems to find dead transitions.
[2024-05-29 08:59:55] [INFO ] Invariant cache hit.
At refinement iteration 0 (INCLUDED_ONLY) 0/622 variables, 622/622 constraints. Problems are: Problem set: 0 solved, 522 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/622 variables, 0/622 constraints. Problems are: Problem set: 0 solved, 522 unsolved
At refinement iteration 2 (OVERLAPS) 1/623 variables, 221/843 constraints. Problems are: Problem set: 0 solved, 522 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/623 variables, 1/844 constraints. Problems are: Problem set: 0 solved, 522 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/623 variables, 0/844 constraints. Problems are: Problem set: 0 solved, 522 unsolved
At refinement iteration 5 (OVERLAPS) 523/1146 variables, 623/1467 constraints. Problems are: Problem set: 0 solved, 522 unsolved
[2024-05-29 09:00:14] [INFO ] Deduced a trap composed of 11 places in 28 ms of which 1 ms to minimize.
At refinement iteration 6 (INCLUDED_ONLY) 0/1146 variables, 1/1468 constraints. Problems are: Problem set: 0 solved, 522 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Real declared 1146/1146 variables, and 1468 constraints, problems are : Problem set: 0 solved, 522 unsolved in 30020 ms.
Refiners :[Domain max(s): 623/623 constraints, Positive P Invariants (semi-flows): 221/221 constraints, State Equation: 623/623 constraints, PredecessorRefiner: 522/522 constraints, Known Traps: 1/1 constraints]
Escalating to Integer solving :Problem set: 0 solved, 522 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/622 variables, 622/622 constraints. Problems are: Problem set: 0 solved, 522 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/622 variables, 0/622 constraints. Problems are: Problem set: 0 solved, 522 unsolved
At refinement iteration 2 (OVERLAPS) 1/623 variables, 221/843 constraints. Problems are: Problem set: 0 solved, 522 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/623 variables, 1/844 constraints. Problems are: Problem set: 0 solved, 522 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/623 variables, 1/845 constraints. Problems are: Problem set: 0 solved, 522 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/623 variables, 0/845 constraints. Problems are: Problem set: 0 solved, 522 unsolved
At refinement iteration 6 (OVERLAPS) 523/1146 variables, 623/1468 constraints. Problems are: Problem set: 0 solved, 522 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/1146 variables, 522/1990 constraints. Problems are: Problem set: 0 solved, 522 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 1146/1146 variables, and 1990 constraints, problems are : Problem set: 0 solved, 522 unsolved in 30015 ms.
Refiners :[Domain max(s): 623/623 constraints, Positive P Invariants (semi-flows): 221/221 constraints, State Equation: 623/623 constraints, PredecessorRefiner: 522/522 constraints, Known Traps: 1/1 constraints]
After SMT, in 60122ms problems are : Problem set: 0 solved, 522 unsolved
Search for dead transitions found 0 dead transitions in 60127ms
Finished structural reductions in LTL mode , in 1 iterations and 60927 ms. Remains : 623/623 places, 523/523 transitions.
Stuttering acceptance computed with spot in 131 ms :[(OR (NOT p0) (NOT p2) (NOT p1)), (OR (NOT p0) (NOT p1)), (NOT p2), (NOT p1)]
Running random walk in product with property : ShieldPPPs-PT-020A-LTLFireability-08
Stuttering criterion allowed to conclude after 2441 steps with 9 reset in 16 ms.
FORMULA ShieldPPPs-PT-020A-LTLFireability-08 FALSE TECHNIQUES STUTTER_TEST
Treatment of property ShieldPPPs-PT-020A-LTLFireability-08 finished in 61100 ms.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202405141337/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!((F((p0||X(p1)))&&(G(p2) U X(p3))))'
Support contains 8 out of 623 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 623/623 places, 523/523 transitions.
Applied a total of 0 rules in 10 ms. Remains 623 /623 variables (removed 0) and now considering 523/523 (removed 0) transitions.
[2024-05-29 09:00:56] [INFO ] Invariant cache hit.
[2024-05-29 09:00:56] [INFO ] Implicit Places using invariants in 284 ms returned []
[2024-05-29 09:00:56] [INFO ] Invariant cache hit.
[2024-05-29 09:00:57] [INFO ] Implicit Places using invariants and state equation in 524 ms returned []
Implicit Place search using SMT with State Equation took 810 ms to find 0 implicit places.
Running 522 sub problems to find dead transitions.
[2024-05-29 09:00:57] [INFO ] Invariant cache hit.
At refinement iteration 0 (INCLUDED_ONLY) 0/622 variables, 622/622 constraints. Problems are: Problem set: 0 solved, 522 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/622 variables, 0/622 constraints. Problems are: Problem set: 0 solved, 522 unsolved
At refinement iteration 2 (OVERLAPS) 1/623 variables, 221/843 constraints. Problems are: Problem set: 0 solved, 522 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/623 variables, 1/844 constraints. Problems are: Problem set: 0 solved, 522 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/623 variables, 0/844 constraints. Problems are: Problem set: 0 solved, 522 unsolved
At refinement iteration 5 (OVERLAPS) 523/1146 variables, 623/1467 constraints. Problems are: Problem set: 0 solved, 522 unsolved
[2024-05-29 09:01:15] [INFO ] Deduced a trap composed of 11 places in 30 ms of which 1 ms to minimize.
At refinement iteration 6 (INCLUDED_ONLY) 0/1146 variables, 1/1468 constraints. Problems are: Problem set: 0 solved, 522 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Real declared 1146/1146 variables, and 1468 constraints, problems are : Problem set: 0 solved, 522 unsolved in 30016 ms.
Refiners :[Domain max(s): 623/623 constraints, Positive P Invariants (semi-flows): 221/221 constraints, State Equation: 623/623 constraints, PredecessorRefiner: 522/522 constraints, Known Traps: 1/1 constraints]
Escalating to Integer solving :Problem set: 0 solved, 522 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/622 variables, 622/622 constraints. Problems are: Problem set: 0 solved, 522 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/622 variables, 0/622 constraints. Problems are: Problem set: 0 solved, 522 unsolved
At refinement iteration 2 (OVERLAPS) 1/623 variables, 221/843 constraints. Problems are: Problem set: 0 solved, 522 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/623 variables, 1/844 constraints. Problems are: Problem set: 0 solved, 522 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/623 variables, 1/845 constraints. Problems are: Problem set: 0 solved, 522 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/623 variables, 0/845 constraints. Problems are: Problem set: 0 solved, 522 unsolved
At refinement iteration 6 (OVERLAPS) 523/1146 variables, 623/1468 constraints. Problems are: Problem set: 0 solved, 522 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/1146 variables, 522/1990 constraints. Problems are: Problem set: 0 solved, 522 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 1146/1146 variables, and 1990 constraints, problems are : Problem set: 0 solved, 522 unsolved in 30014 ms.
Refiners :[Domain max(s): 623/623 constraints, Positive P Invariants (semi-flows): 221/221 constraints, State Equation: 623/623 constraints, PredecessorRefiner: 522/522 constraints, Known Traps: 1/1 constraints]
After SMT, in 60110ms problems are : Problem set: 0 solved, 522 unsolved
Search for dead transitions found 0 dead transitions in 60115ms
Finished structural reductions in LTL mode , in 1 iterations and 60937 ms. Remains : 623/623 places, 523/523 transitions.
Stuttering acceptance computed with spot in 231 ms :[(OR (NOT p3) (AND (NOT p0) (NOT p1))), (NOT p3), (AND (NOT p0) (NOT p1)), (NOT p3), true, (NOT p2)]
Running random walk in product with property : ShieldPPPs-PT-020A-LTLFireability-09
Entered a terminal (fully accepting) state of product in 29 steps with 1 reset in 0 ms.
FORMULA ShieldPPPs-PT-020A-LTLFireability-09 FALSE TECHNIQUES STUTTER_TEST
Treatment of property ShieldPPPs-PT-020A-LTLFireability-09 finished in 61250 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))&&F(p1)))'
Support contains 7 out of 623 places. Attempting structural reductions.
Starting structural reductions in SI_LTL mode, iteration 0 : 623/623 places, 523/523 transitions.
Performed 2 Post agglomeration using F-continuation condition.Transition count delta: 2
Deduced a syphon composed of 2 places in 1 ms
Reduce places removed 2 places and 0 transitions.
Iterating global reduction 0 with 4 rules applied. Total rules applied 4 place count 621 transition count 521
Applied a total of 4 rules in 21 ms. Remains 621 /623 variables (removed 2) and now considering 521/523 (removed 2) transitions.
// Phase 1: matrix 521 rows 621 cols
[2024-05-29 09:01:57] [INFO ] Computed 221 invariants in 5 ms
[2024-05-29 09:01:57] [INFO ] Implicit Places using invariants in 284 ms returned []
[2024-05-29 09:01:57] [INFO ] Invariant cache hit.
[2024-05-29 09:01:58] [INFO ] Implicit Places using invariants and state equation in 513 ms returned []
Implicit Place search using SMT with State Equation took 799 ms to find 0 implicit places.
[2024-05-29 09:01:58] [INFO ] Redundant transitions in 3 ms returned []
Running 520 sub problems to find dead transitions.
[2024-05-29 09:01:58] [INFO ] Invariant cache hit.
At refinement iteration 0 (INCLUDED_ONLY) 0/620 variables, 620/620 constraints. Problems are: Problem set: 0 solved, 520 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/620 variables, 0/620 constraints. Problems are: Problem set: 0 solved, 520 unsolved
At refinement iteration 2 (OVERLAPS) 1/621 variables, 221/841 constraints. Problems are: Problem set: 0 solved, 520 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/621 variables, 1/842 constraints. Problems are: Problem set: 0 solved, 520 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/621 variables, 0/842 constraints. Problems are: Problem set: 0 solved, 520 unsolved
At refinement iteration 5 (OVERLAPS) 521/1142 variables, 621/1463 constraints. Problems are: Problem set: 0 solved, 520 unsolved
[2024-05-29 09:02:16] [INFO ] Deduced a trap composed of 11 places in 24 ms of which 0 ms to minimize.
[2024-05-29 09:02:16] [INFO ] Deduced a trap composed of 11 places in 17 ms of which 0 ms to minimize.
[2024-05-29 09:02:19] [INFO ] Deduced a trap composed of 18 places in 31 ms of which 0 ms to minimize.
[2024-05-29 09:02:19] [INFO ] Deduced a trap composed of 18 places in 25 ms of which 1 ms to minimize.
[2024-05-29 09:02:19] [INFO ] Deduced a trap composed of 18 places in 22 ms of which 1 ms to minimize.
At refinement iteration 6 (INCLUDED_ONLY) 0/1142 variables, 5/1468 constraints. Problems are: Problem set: 0 solved, 520 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Real declared 1142/1142 variables, and 1468 constraints, problems are : Problem set: 0 solved, 520 unsolved in 30017 ms.
Refiners :[Domain max(s): 621/621 constraints, Positive P Invariants (semi-flows): 221/221 constraints, State Equation: 621/621 constraints, PredecessorRefiner: 520/520 constraints, Known Traps: 5/5 constraints]
Escalating to Integer solving :Problem set: 0 solved, 520 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/620 variables, 620/620 constraints. Problems are: Problem set: 0 solved, 520 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/620 variables, 0/620 constraints. Problems are: Problem set: 0 solved, 520 unsolved
At refinement iteration 2 (OVERLAPS) 1/621 variables, 221/841 constraints. Problems are: Problem set: 0 solved, 520 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/621 variables, 1/842 constraints. Problems are: Problem set: 0 solved, 520 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/621 variables, 5/847 constraints. Problems are: Problem set: 0 solved, 520 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/621 variables, 0/847 constraints. Problems are: Problem set: 0 solved, 520 unsolved
At refinement iteration 6 (OVERLAPS) 521/1142 variables, 621/1468 constraints. Problems are: Problem set: 0 solved, 520 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/1142 variables, 520/1988 constraints. Problems are: Problem set: 0 solved, 520 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 1142/1142 variables, and 1988 constraints, problems are : Problem set: 0 solved, 520 unsolved in 30029 ms.
Refiners :[Domain max(s): 621/621 constraints, Positive P Invariants (semi-flows): 221/221 constraints, State Equation: 621/621 constraints, PredecessorRefiner: 520/520 constraints, Known Traps: 5/5 constraints]
After SMT, in 60122ms problems are : Problem set: 0 solved, 520 unsolved
Search for dead transitions found 0 dead transitions in 60127ms
Starting structural reductions in SI_LTL mode, iteration 1 : 621/623 places, 521/523 transitions.
Finished structural reductions in SI_LTL mode , in 1 iterations and 60955 ms. Remains : 621/623 places, 521/523 transitions.
Stuttering acceptance computed with spot in 136 ms :[(OR (NOT p0) (NOT p1)), (NOT p0), (NOT p0), (NOT p1)]
Running random walk in product with property : ShieldPPPs-PT-020A-LTLFireability-11
Product exploration explored 100000 steps with 311 reset in 494 ms.
Product exploration explored 100000 steps with 297 reset in 574 ms.
Computed a total of 1 stabilizing places and 1 stable transitions
Computed a total of 1 stabilizing places and 1 stable transitions
Knowledge obtained : [(AND p0 (NOT p1)), (X p0), (X (NOT p1)), (X (X p0)), (X (X (NOT p1)))]
False Knowledge obtained : []
Knowledge based reduction with 5 factoid took 85 ms. Reduced automaton from 4 states, 7 edges and 2 AP (stutter insensitive) to 6 states, 13 edges and 2 AP (stutter insensitive).
Stuttering acceptance computed with spot in 203 ms :[(OR (NOT p0) (NOT p1)), (NOT p0), (NOT p0), (NOT p1), false, false]
RANDOM walk for 21203 steps (14 resets) in 162 ms. (130 steps per ms) remains 0/4 properties
Knowledge obtained : [(AND p0 (NOT p1)), (X p0), (X (NOT p1)), (X (X p0)), (X (X (NOT p1)))]
False Knowledge obtained : [(F p1), (F (NOT p0)), (F (NOT (OR p0 (NOT p1)))), (F (NOT (OR (NOT p0) (NOT p1))))]
Knowledge based reduction with 5 factoid took 193 ms. Reduced automaton from 6 states, 13 edges and 2 AP (stutter insensitive) to 6 states, 13 edges and 2 AP (stutter insensitive).
Stuttering acceptance computed with spot in 222 ms :[(OR (NOT p0) (NOT p1)), (NOT p0), (NOT p0), (NOT p1), false, false]
Stuttering acceptance computed with spot in 215 ms :[(OR (NOT p0) (NOT p1)), (NOT p0), (NOT p0), (NOT p1), false, false]
[2024-05-29 09:03:00] [INFO ] Invariant cache hit.
[2024-05-29 09:03:01] [INFO ] [Real]Absence check using 221 positive place invariants in 101 ms returned sat
[2024-05-29 09:03:01] [INFO ] [Real]Absence check using state equation in 947 ms returned sat
[2024-05-29 09:03:02] [INFO ] Solution in real domain found non-integer solution.
[2024-05-29 09:03:02] [INFO ] [Nat]Absence check using 221 positive place invariants in 91 ms returned sat
[2024-05-29 09:03:03] [INFO ] [Nat]Absence check using state equation in 1128 ms returned sat
[2024-05-29 09:03:03] [INFO ] Computed and/alt/rep : 520/1447/520 causal constraints (skipped 0 transitions) in 30 ms.
[2024-05-29 09:03:17] [INFO ] Added : 518 causal constraints over 108 iterations in 13462 ms. Result :unknown
Could not prove EG (NOT p1)
Support contains 7 out of 621 places. Attempting structural reductions.
Starting structural reductions in SI_LTL mode, iteration 0 : 621/621 places, 521/521 transitions.
Applied a total of 0 rules in 17 ms. Remains 621 /621 variables (removed 0) and now considering 521/521 (removed 0) transitions.
[2024-05-29 09:03:17] [INFO ] Invariant cache hit.
[2024-05-29 09:03:17] [INFO ] Implicit Places using invariants in 285 ms returned []
[2024-05-29 09:03:17] [INFO ] Invariant cache hit.
[2024-05-29 09:03:17] [INFO ] Implicit Places using invariants and state equation in 527 ms returned []
Implicit Place search using SMT with State Equation took 813 ms to find 0 implicit places.
[2024-05-29 09:03:17] [INFO ] Redundant transitions in 3 ms returned []
Running 520 sub problems to find dead transitions.
[2024-05-29 09:03:17] [INFO ] Invariant cache hit.
At refinement iteration 0 (INCLUDED_ONLY) 0/620 variables, 620/620 constraints. Problems are: Problem set: 0 solved, 520 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/620 variables, 0/620 constraints. Problems are: Problem set: 0 solved, 520 unsolved
At refinement iteration 2 (OVERLAPS) 1/621 variables, 221/841 constraints. Problems are: Problem set: 0 solved, 520 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/621 variables, 1/842 constraints. Problems are: Problem set: 0 solved, 520 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/621 variables, 0/842 constraints. Problems are: Problem set: 0 solved, 520 unsolved
At refinement iteration 5 (OVERLAPS) 521/1142 variables, 621/1463 constraints. Problems are: Problem set: 0 solved, 520 unsolved
[2024-05-29 09:03:36] [INFO ] Deduced a trap composed of 11 places in 27 ms of which 0 ms to minimize.
[2024-05-29 09:03:36] [INFO ] Deduced a trap composed of 11 places in 21 ms of which 0 ms to minimize.
[2024-05-29 09:03:39] [INFO ] Deduced a trap composed of 18 places in 22 ms of which 0 ms to minimize.
[2024-05-29 09:03:39] [INFO ] Deduced a trap composed of 18 places in 24 ms of which 1 ms to minimize.
[2024-05-29 09:03:39] [INFO ] Deduced a trap composed of 18 places in 24 ms of which 1 ms to minimize.
At refinement iteration 6 (INCLUDED_ONLY) 0/1142 variables, 5/1468 constraints. Problems are: Problem set: 0 solved, 520 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Real declared 1142/1142 variables, and 1468 constraints, problems are : Problem set: 0 solved, 520 unsolved in 30019 ms.
Refiners :[Domain max(s): 621/621 constraints, Positive P Invariants (semi-flows): 221/221 constraints, State Equation: 621/621 constraints, PredecessorRefiner: 520/520 constraints, Known Traps: 5/5 constraints]
Escalating to Integer solving :Problem set: 0 solved, 520 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/620 variables, 620/620 constraints. Problems are: Problem set: 0 solved, 520 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/620 variables, 0/620 constraints. Problems are: Problem set: 0 solved, 520 unsolved
At refinement iteration 2 (OVERLAPS) 1/621 variables, 221/841 constraints. Problems are: Problem set: 0 solved, 520 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/621 variables, 1/842 constraints. Problems are: Problem set: 0 solved, 520 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/621 variables, 5/847 constraints. Problems are: Problem set: 0 solved, 520 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/621 variables, 0/847 constraints. Problems are: Problem set: 0 solved, 520 unsolved
At refinement iteration 6 (OVERLAPS) 521/1142 variables, 621/1468 constraints. Problems are: Problem set: 0 solved, 520 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/1142 variables, 520/1988 constraints. Problems are: Problem set: 0 solved, 520 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 1142/1142 variables, and 1988 constraints, problems are : Problem set: 0 solved, 520 unsolved in 30012 ms.
Refiners :[Domain max(s): 621/621 constraints, Positive P Invariants (semi-flows): 221/221 constraints, State Equation: 621/621 constraints, PredecessorRefiner: 520/520 constraints, Known Traps: 5/5 constraints]
After SMT, in 60116ms problems are : Problem set: 0 solved, 520 unsolved
Search for dead transitions found 0 dead transitions in 60121ms
Finished structural reductions in SI_LTL mode , in 1 iterations and 60960 ms. Remains : 621/621 places, 521/521 transitions.
Computed a total of 1 stabilizing places and 1 stable transitions
Computed a total of 1 stabilizing places and 1 stable transitions
Knowledge obtained : [(AND p0 (NOT p1)), (X p0), (X (NOT (AND p0 p1))), (X (NOT (AND (NOT p0) p1))), (X (NOT p1)), (X (X p0)), (X (X (NOT (AND p0 p1)))), (X (X (NOT (AND (NOT p0) p1)))), (X (X (NOT p1)))]
False Knowledge obtained : []
Knowledge based reduction with 9 factoid took 108 ms. Reduced automaton from 6 states, 13 edges and 2 AP (stutter insensitive) to 6 states, 13 edges and 2 AP (stutter insensitive).
Stuttering acceptance computed with spot in 270 ms :[(OR (NOT p0) (NOT p1)), (NOT p0), (NOT p0), (NOT p1), false, false]
RANDOM walk for 13455 steps (8 resets) in 117 ms. (114 steps per ms) remains 0/4 properties
Knowledge obtained : [(AND p0 (NOT p1)), (X p0), (X (NOT (AND p0 p1))), (X (NOT (AND (NOT p0) p1))), (X (NOT p1)), (X (X p0)), (X (X (NOT (AND p0 p1)))), (X (X (NOT (AND (NOT p0) p1)))), (X (X (NOT p1)))]
False Knowledge obtained : [(F p1), (F (NOT p0)), (F (NOT (OR p0 (NOT p1)))), (F (NOT (OR (NOT p0) (NOT p1))))]
Knowledge based reduction with 9 factoid took 226 ms. Reduced automaton from 6 states, 13 edges and 2 AP (stutter insensitive) to 6 states, 13 edges and 2 AP (stutter insensitive).
Stuttering acceptance computed with spot in 229 ms :[(OR (NOT p0) (NOT p1)), (NOT p0), (NOT p0), (NOT p1), false, false]
Stuttering acceptance computed with spot in 199 ms :[(OR (NOT p0) (NOT p1)), (NOT p0), (NOT p0), (NOT p1), false, false]
[2024-05-29 09:04:19] [INFO ] Invariant cache hit.
[2024-05-29 09:04:19] [INFO ] [Real]Absence check using 221 positive place invariants in 99 ms returned sat
[2024-05-29 09:04:20] [INFO ] [Real]Absence check using state equation in 937 ms returned sat
[2024-05-29 09:04:20] [INFO ] Solution in real domain found non-integer solution.
[2024-05-29 09:04:20] [INFO ] [Nat]Absence check using 221 positive place invariants in 89 ms returned sat
[2024-05-29 09:04:21] [INFO ] [Nat]Absence check using state equation in 1099 ms returned sat
[2024-05-29 09:04:22] [INFO ] Computed and/alt/rep : 520/1447/520 causal constraints (skipped 0 transitions) in 28 ms.
[2024-05-29 09:04:35] [INFO ] Added : 518 causal constraints over 108 iterations in 13489 ms. Result :unknown
Could not prove EG (NOT p1)
Stuttering acceptance computed with spot in 193 ms :[(OR (NOT p0) (NOT p1)), (NOT p0), (NOT p0), (NOT p1), false, false]
Product exploration explored 100000 steps with 303 reset in 505 ms.
Product exploration explored 100000 steps with 330 reset in 572 ms.
Support contains 7 out of 621 places. Attempting structural reductions.
Starting structural reductions in SI_LTL mode, iteration 0 : 621/621 places, 521/521 transitions.
Applied a total of 0 rules in 12 ms. Remains 621 /621 variables (removed 0) and now considering 521/521 (removed 0) transitions.
[2024-05-29 09:04:36] [INFO ] Invariant cache hit.
[2024-05-29 09:04:37] [INFO ] Implicit Places using invariants in 286 ms returned []
[2024-05-29 09:04:37] [INFO ] Invariant cache hit.
[2024-05-29 09:04:37] [INFO ] Implicit Places using invariants and state equation in 539 ms returned []
Implicit Place search using SMT with State Equation took 830 ms to find 0 implicit places.
[2024-05-29 09:04:37] [INFO ] Redundant transitions in 3 ms returned []
Running 520 sub problems to find dead transitions.
[2024-05-29 09:04:37] [INFO ] Invariant cache hit.
At refinement iteration 0 (INCLUDED_ONLY) 0/620 variables, 620/620 constraints. Problems are: Problem set: 0 solved, 520 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/620 variables, 0/620 constraints. Problems are: Problem set: 0 solved, 520 unsolved
At refinement iteration 2 (OVERLAPS) 1/621 variables, 221/841 constraints. Problems are: Problem set: 0 solved, 520 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/621 variables, 1/842 constraints. Problems are: Problem set: 0 solved, 520 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/621 variables, 0/842 constraints. Problems are: Problem set: 0 solved, 520 unsolved
At refinement iteration 5 (OVERLAPS) 521/1142 variables, 621/1463 constraints. Problems are: Problem set: 0 solved, 520 unsolved
[2024-05-29 09:04:56] [INFO ] Deduced a trap composed of 11 places in 25 ms of which 0 ms to minimize.
[2024-05-29 09:04:56] [INFO ] Deduced a trap composed of 11 places in 19 ms of which 1 ms to minimize.
[2024-05-29 09:04:58] [INFO ] Deduced a trap composed of 18 places in 30 ms of which 0 ms to minimize.
[2024-05-29 09:04:58] [INFO ] Deduced a trap composed of 18 places in 22 ms of which 1 ms to minimize.
[2024-05-29 09:04:58] [INFO ] Deduced a trap composed of 18 places in 28 ms of which 1 ms to minimize.
At refinement iteration 6 (INCLUDED_ONLY) 0/1142 variables, 5/1468 constraints. Problems are: Problem set: 0 solved, 520 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Real declared 1142/1142 variables, and 1468 constraints, problems are : Problem set: 0 solved, 520 unsolved in 30016 ms.
Refiners :[Domain max(s): 621/621 constraints, Positive P Invariants (semi-flows): 221/221 constraints, State Equation: 621/621 constraints, PredecessorRefiner: 520/520 constraints, Known Traps: 5/5 constraints]
Escalating to Integer solving :Problem set: 0 solved, 520 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/620 variables, 620/620 constraints. Problems are: Problem set: 0 solved, 520 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/620 variables, 0/620 constraints. Problems are: Problem set: 0 solved, 520 unsolved
At refinement iteration 2 (OVERLAPS) 1/621 variables, 221/841 constraints. Problems are: Problem set: 0 solved, 520 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/621 variables, 1/842 constraints. Problems are: Problem set: 0 solved, 520 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/621 variables, 5/847 constraints. Problems are: Problem set: 0 solved, 520 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/621 variables, 0/847 constraints. Problems are: Problem set: 0 solved, 520 unsolved
At refinement iteration 6 (OVERLAPS) 521/1142 variables, 621/1468 constraints. Problems are: Problem set: 0 solved, 520 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/1142 variables, 520/1988 constraints. Problems are: Problem set: 0 solved, 520 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 1142/1142 variables, and 1988 constraints, problems are : Problem set: 0 solved, 520 unsolved in 30020 ms.
Refiners :[Domain max(s): 621/621 constraints, Positive P Invariants (semi-flows): 221/221 constraints, State Equation: 621/621 constraints, PredecessorRefiner: 520/520 constraints, Known Traps: 5/5 constraints]
After SMT, in 60109ms problems are : Problem set: 0 solved, 520 unsolved
Search for dead transitions found 0 dead transitions in 60114ms
Finished structural reductions in SI_LTL mode , in 1 iterations and 60966 ms. Remains : 621/621 places, 521/521 transitions.
Treatment of property ShieldPPPs-PT-020A-LTLFireability-11 finished in 220321 ms.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202405141337/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!(X((F(p0) U G(p1))))'
Support contains 4 out of 623 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 623/623 places, 523/523 transitions.
Applied a total of 0 rules in 11 ms. Remains 623 /623 variables (removed 0) and now considering 523/523 (removed 0) transitions.
// Phase 1: matrix 523 rows 623 cols
[2024-05-29 09:05:37] [INFO ] Computed 221 invariants in 3 ms
[2024-05-29 09:05:38] [INFO ] Implicit Places using invariants in 274 ms returned []
[2024-05-29 09:05:38] [INFO ] Invariant cache hit.
[2024-05-29 09:05:38] [INFO ] Implicit Places using invariants and state equation in 536 ms returned []
Implicit Place search using SMT with State Equation took 810 ms to find 0 implicit places.
Running 522 sub problems to find dead transitions.
[2024-05-29 09:05:38] [INFO ] Invariant cache hit.
At refinement iteration 0 (INCLUDED_ONLY) 0/622 variables, 622/622 constraints. Problems are: Problem set: 0 solved, 522 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/622 variables, 0/622 constraints. Problems are: Problem set: 0 solved, 522 unsolved
At refinement iteration 2 (OVERLAPS) 1/623 variables, 221/843 constraints. Problems are: Problem set: 0 solved, 522 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/623 variables, 1/844 constraints. Problems are: Problem set: 0 solved, 522 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/623 variables, 0/844 constraints. Problems are: Problem set: 0 solved, 522 unsolved
At refinement iteration 5 (OVERLAPS) 523/1146 variables, 623/1467 constraints. Problems are: Problem set: 0 solved, 522 unsolved
[2024-05-29 09:05:57] [INFO ] Deduced a trap composed of 11 places in 26 ms of which 0 ms to minimize.
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( org.smtlib.IParser$ParserException: Unbalanced parentheses at end of input")
At refinement iteration 6 (INCLUDED_ONLY) 0/1146 variables, 1/1468 constraints. Problems are: Problem set: 0 solved, 522 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Real declared 1146/1146 variables, and 1468 constraints, problems are : Problem set: 0 solved, 522 unsolved in 30014 ms.
Refiners :[Domain max(s): 623/623 constraints, Positive P Invariants (semi-flows): 221/221 constraints, State Equation: 623/623 constraints, PredecessorRefiner: 522/522 constraints, Known Traps: 1/1 constraints]
Escalating to Integer solving :Problem set: 0 solved, 522 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/622 variables, 622/622 constraints. Problems are: Problem set: 0 solved, 522 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/622 variables, 0/622 constraints. Problems are: Problem set: 0 solved, 522 unsolved
At refinement iteration 2 (OVERLAPS) 1/623 variables, 221/843 constraints. Problems are: Problem set: 0 solved, 522 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/623 variables, 1/844 constraints. Problems are: Problem set: 0 solved, 522 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/623 variables, 1/845 constraints. Problems are: Problem set: 0 solved, 522 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/623 variables, 0/845 constraints. Problems are: Problem set: 0 solved, 522 unsolved
At refinement iteration 6 (OVERLAPS) 523/1146 variables, 623/1468 constraints. Problems are: Problem set: 0 solved, 522 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/1146 variables, 522/1990 constraints. Problems are: Problem set: 0 solved, 522 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 1146/1146 variables, and 1990 constraints, problems are : Problem set: 0 solved, 522 unsolved in 30020 ms.
Refiners :[Domain max(s): 623/623 constraints, Positive P Invariants (semi-flows): 221/221 constraints, State Equation: 623/623 constraints, PredecessorRefiner: 522/522 constraints, Known Traps: 1/1 constraints]
After SMT, in 60121ms problems are : Problem set: 0 solved, 522 unsolved
Search for dead transitions found 0 dead transitions in 60127ms
Finished structural reductions in LTL mode , in 1 iterations and 60950 ms. Remains : 623/623 places, 523/523 transitions.
Stuttering acceptance computed with spot in 131 ms :[(NOT p1), (NOT p1), (NOT p0)]
Running random walk in product with property : ShieldPPPs-PT-020A-LTLFireability-12
Product exploration explored 100000 steps with 166 reset in 518 ms.
Product exploration explored 100000 steps with 166 reset in 595 ms.
Computed a total of 1 stabilizing places and 1 stable transitions
Computed a total of 1 stabilizing places and 1 stable transitions
Knowledge obtained : [(AND (NOT p1) (NOT p0)), (X (AND (NOT p1) (NOT p0))), (X (NOT p0)), (X (NOT p1)), (X (X (AND (NOT p1) (NOT p0)))), (X (X (NOT p0))), (X (X (NOT p1)))]
False Knowledge obtained : []
Knowledge sufficient to adopt a stutter insensitive property.
Knowledge based reduction with 7 factoid took 76 ms. Reduced automaton from 3 states, 5 edges and 2 AP (stutter sensitive) to 2 states, 4 edges and 2 AP (stutter insensitive).
Stuttering acceptance computed with spot in 70 ms :[(NOT p1), (NOT p0)]
RANDOM walk for 4080 steps (0 resets) in 44 ms. (90 steps per ms) remains 0/3 properties
Knowledge obtained : [(AND (NOT p1) (NOT p0)), (X (AND (NOT p1) (NOT p0))), (X (NOT p0)), (X (NOT p1)), (X (X (AND (NOT p1) (NOT p0)))), (X (X (NOT p0))), (X (X (NOT p1)))]
False Knowledge obtained : [(F (NOT (AND (NOT p0) (NOT p1)))), (F p1), (F p0)]
Knowledge based reduction with 7 factoid took 170 ms. Reduced automaton from 2 states, 4 edges and 2 AP (stutter insensitive) to 2 states, 4 edges and 2 AP (stutter insensitive).
Stuttering acceptance computed with spot in 69 ms :[(NOT p1), (NOT p0)]
Stuttering acceptance computed with spot in 67 ms :[(NOT p1), (NOT p0)]
[2024-05-29 09:06:40] [INFO ] Invariant cache hit.
[2024-05-29 09:06:40] [INFO ] [Real]Absence check using 221 positive place invariants in 90 ms returned sat
[2024-05-29 09:06:41] [INFO ] [Real]Absence check using state equation in 893 ms returned sat
[2024-05-29 09:06:41] [INFO ] Solution in real domain found non-integer solution.
[2024-05-29 09:06:42] [INFO ] [Nat]Absence check using 221 positive place invariants in 84 ms returned sat
[2024-05-29 09:06:43] [INFO ] [Nat]Absence check using state equation in 1111 ms returned sat
[2024-05-29 09:06:43] [INFO ] Computed and/alt/rep : 522/1443/522 causal constraints (skipped 0 transitions) in 26 ms.
[2024-05-29 09:06:56] [INFO ] Added : 513 causal constraints over 104 iterations in 13505 ms. Result :unknown
Could not prove EG (NOT p1)
Support contains 4 out of 623 places. Attempting structural reductions.
Starting structural reductions in SI_LTL mode, iteration 0 : 623/623 places, 523/523 transitions.
Performed 2 Post agglomeration using F-continuation condition.Transition count delta: 2
Deduced a syphon composed of 2 places in 1 ms
Reduce places removed 2 places and 0 transitions.
Iterating global reduction 0 with 4 rules applied. Total rules applied 4 place count 621 transition count 521
Applied a total of 4 rules in 22 ms. Remains 621 /623 variables (removed 2) and now considering 521/523 (removed 2) transitions.
// Phase 1: matrix 521 rows 621 cols
[2024-05-29 09:06:56] [INFO ] Computed 221 invariants in 2 ms
[2024-05-29 09:06:57] [INFO ] Implicit Places using invariants in 309 ms returned []
[2024-05-29 09:06:57] [INFO ] Invariant cache hit.
[2024-05-29 09:06:57] [INFO ] Implicit Places using invariants and state equation in 555 ms returned []
Implicit Place search using SMT with State Equation took 875 ms to find 0 implicit places.
[2024-05-29 09:06:57] [INFO ] Redundant transitions in 4 ms returned []
Running 520 sub problems to find dead transitions.
[2024-05-29 09:06:57] [INFO ] Invariant cache hit.
At refinement iteration 0 (INCLUDED_ONLY) 0/620 variables, 620/620 constraints. Problems are: Problem set: 0 solved, 520 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/620 variables, 0/620 constraints. Problems are: Problem set: 0 solved, 520 unsolved
At refinement iteration 2 (OVERLAPS) 1/621 variables, 221/841 constraints. Problems are: Problem set: 0 solved, 520 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/621 variables, 1/842 constraints. Problems are: Problem set: 0 solved, 520 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/621 variables, 0/842 constraints. Problems are: Problem set: 0 solved, 520 unsolved
At refinement iteration 5 (OVERLAPS) 521/1142 variables, 621/1463 constraints. Problems are: Problem set: 0 solved, 520 unsolved
[2024-05-29 09:07:16] [INFO ] Deduced a trap composed of 11 places in 28 ms of which 1 ms to minimize.
[2024-05-29 09:07:16] [INFO ] Deduced a trap composed of 11 places in 21 ms of which 0 ms to minimize.
[2024-05-29 09:07:18] [INFO ] Deduced a trap composed of 18 places in 30 ms of which 1 ms to minimize.
[2024-05-29 09:07:18] [INFO ] Deduced a trap composed of 18 places in 25 ms of which 0 ms to minimize.
[2024-05-29 09:07:19] [INFO ] Deduced a trap composed of 18 places in 28 ms of which 1 ms to minimize.
Error getting values : (error "Error writing to Z3 solver: java.io.IOException: Broken pipe")
At refinement iteration 6 (INCLUDED_ONLY) 0/1142 variables, 5/1468 constraints. Problems are: Problem set: 0 solved, 520 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Real declared 1142/1142 variables, and 1468 constraints, problems are : Problem set: 0 solved, 520 unsolved in 30018 ms.
Refiners :[Domain max(s): 621/621 constraints, Positive P Invariants (semi-flows): 221/221 constraints, State Equation: 621/621 constraints, PredecessorRefiner: 520/520 constraints, Known Traps: 5/5 constraints]
Escalating to Integer solving :Problem set: 0 solved, 520 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/620 variables, 620/620 constraints. Problems are: Problem set: 0 solved, 520 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/620 variables, 0/620 constraints. Problems are: Problem set: 0 solved, 520 unsolved
At refinement iteration 2 (OVERLAPS) 1/621 variables, 221/841 constraints. Problems are: Problem set: 0 solved, 520 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/621 variables, 1/842 constraints. Problems are: Problem set: 0 solved, 520 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/621 variables, 5/847 constraints. Problems are: Problem set: 0 solved, 520 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/621 variables, 0/847 constraints. Problems are: Problem set: 0 solved, 520 unsolved
At refinement iteration 6 (OVERLAPS) 521/1142 variables, 621/1468 constraints. Problems are: Problem set: 0 solved, 520 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/1142 variables, 520/1988 constraints. Problems are: Problem set: 0 solved, 520 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 1142/1142 variables, and 1988 constraints, problems are : Problem set: 0 solved, 520 unsolved in 30014 ms.
Refiners :[Domain max(s): 621/621 constraints, Positive P Invariants (semi-flows): 221/221 constraints, State Equation: 621/621 constraints, PredecessorRefiner: 520/520 constraints, Known Traps: 5/5 constraints]
After SMT, in 60105ms problems are : Problem set: 0 solved, 520 unsolved
Search for dead transitions found 0 dead transitions in 60109ms
Starting structural reductions in SI_LTL mode, iteration 1 : 621/623 places, 521/523 transitions.
Finished structural reductions in SI_LTL mode , in 1 iterations and 61015 ms. Remains : 621/623 places, 521/523 transitions.
Computed a total of 1 stabilizing places and 1 stable transitions
Computed a total of 1 stabilizing places and 1 stable transitions
Knowledge obtained : [(AND (NOT p1) (NOT p0)), (X (AND (NOT p0) (NOT p1))), (X (NOT p0)), (X (NOT p1)), (X (X (AND (NOT p0) (NOT p1)))), (X (X (NOT p0))), (X (X (NOT p1)))]
False Knowledge obtained : []
Knowledge based reduction with 7 factoid took 83 ms. Reduced automaton from 2 states, 4 edges and 2 AP (stutter insensitive) to 2 states, 4 edges and 2 AP (stutter insensitive).
Stuttering acceptance computed with spot in 63 ms :[(NOT p1), (NOT p0)]
RANDOM walk for 3846 steps (0 resets) in 37 ms. (101 steps per ms) remains 0/3 properties
Knowledge obtained : [(AND (NOT p1) (NOT p0)), (X (AND (NOT p0) (NOT p1))), (X (NOT p0)), (X (NOT p1)), (X (X (AND (NOT p0) (NOT p1)))), (X (X (NOT p0))), (X (X (NOT p1)))]
False Knowledge obtained : [(F (NOT (AND (NOT p0) (NOT p1)))), (F p1), (F p0)]
Knowledge based reduction with 7 factoid took 172 ms. Reduced automaton from 2 states, 4 edges and 2 AP (stutter insensitive) to 2 states, 4 edges and 2 AP (stutter insensitive).
Stuttering acceptance computed with spot in 64 ms :[(NOT p1), (NOT p0)]
Stuttering acceptance computed with spot in 73 ms :[(NOT p1), (NOT p0)]
[2024-05-29 09:07:58] [INFO ] Invariant cache hit.
[2024-05-29 09:07:58] [INFO ] [Real]Absence check using 221 positive place invariants in 105 ms returned sat
[2024-05-29 09:07:59] [INFO ] [Real]Absence check using state equation in 1076 ms returned sat
[2024-05-29 09:07:59] [INFO ] Solution in real domain found non-integer solution.
[2024-05-29 09:08:00] [INFO ] [Nat]Absence check using 221 positive place invariants in 96 ms returned sat
[2024-05-29 09:08:01] [INFO ] [Nat]Absence check using state equation in 1182 ms returned sat
[2024-05-29 09:08:01] [INFO ] Deduced a trap composed of 23 places in 28 ms of which 0 ms to minimize.
[2024-05-29 09:08:01] [INFO ] Trap strengthening (SAT) tested/added 2/1 trap constraints in 91 ms
[2024-05-29 09:08:01] [INFO ] Computed and/alt/rep : 520/1447/520 causal constraints (skipped 0 transitions) in 22 ms.
[2024-05-29 09:08:12] [INFO ] Added : 515 causal constraints over 105 iterations in 11020 ms. Result :sat
Could not prove EG (NOT p1)
Stuttering acceptance computed with spot in 68 ms :[(NOT p1), (NOT p0)]
Product exploration explored 100000 steps with 170 reset in 488 ms.
Product exploration explored 100000 steps with 171 reset in 580 ms.
Support contains 4 out of 621 places. Attempting structural reductions.
Starting structural reductions in SI_LTL mode, iteration 0 : 621/621 places, 521/521 transitions.
Applied a total of 0 rules in 11 ms. Remains 621 /621 variables (removed 0) and now considering 521/521 (removed 0) transitions.
[2024-05-29 09:08:13] [INFO ] Invariant cache hit.
[2024-05-29 09:08:13] [INFO ] Implicit Places using invariants in 288 ms returned []
[2024-05-29 09:08:13] [INFO ] Invariant cache hit.
[2024-05-29 09:08:14] [INFO ] Implicit Places using invariants and state equation in 531 ms returned []
Implicit Place search using SMT with State Equation took 821 ms to find 0 implicit places.
[2024-05-29 09:08:14] [INFO ] Redundant transitions in 3 ms returned []
Running 520 sub problems to find dead transitions.
[2024-05-29 09:08:14] [INFO ] Invariant cache hit.
At refinement iteration 0 (INCLUDED_ONLY) 0/620 variables, 620/620 constraints. Problems are: Problem set: 0 solved, 520 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/620 variables, 0/620 constraints. Problems are: Problem set: 0 solved, 520 unsolved
At refinement iteration 2 (OVERLAPS) 1/621 variables, 221/841 constraints. Problems are: Problem set: 0 solved, 520 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/621 variables, 1/842 constraints. Problems are: Problem set: 0 solved, 520 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/621 variables, 0/842 constraints. Problems are: Problem set: 0 solved, 520 unsolved
At refinement iteration 5 (OVERLAPS) 521/1142 variables, 621/1463 constraints. Problems are: Problem set: 0 solved, 520 unsolved
[2024-05-29 09:08:32] [INFO ] Deduced a trap composed of 11 places in 22 ms of which 0 ms to minimize.
[2024-05-29 09:08:32] [INFO ] Deduced a trap composed of 11 places in 17 ms of which 0 ms to minimize.
[2024-05-29 09:08:35] [INFO ] Deduced a trap composed of 18 places in 30 ms of which 1 ms to minimize.
[2024-05-29 09:08:35] [INFO ] Deduced a trap composed of 18 places in 22 ms of which 1 ms to minimize.
[2024-05-29 09:08:35] [INFO ] Deduced a trap composed of 18 places in 21 ms of which 1 ms to minimize.
At refinement iteration 6 (INCLUDED_ONLY) 0/1142 variables, 5/1468 constraints. Problems are: Problem set: 0 solved, 520 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Real declared 1142/1142 variables, and 1468 constraints, problems are : Problem set: 0 solved, 520 unsolved in 30017 ms.
Refiners :[Domain max(s): 621/621 constraints, Positive P Invariants (semi-flows): 221/221 constraints, State Equation: 621/621 constraints, PredecessorRefiner: 520/520 constraints, Known Traps: 5/5 constraints]
Escalating to Integer solving :Problem set: 0 solved, 520 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/620 variables, 620/620 constraints. Problems are: Problem set: 0 solved, 520 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/620 variables, 0/620 constraints. Problems are: Problem set: 0 solved, 520 unsolved
At refinement iteration 2 (OVERLAPS) 1/621 variables, 221/841 constraints. Problems are: Problem set: 0 solved, 520 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/621 variables, 1/842 constraints. Problems are: Problem set: 0 solved, 520 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/621 variables, 5/847 constraints. Problems are: Problem set: 0 solved, 520 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/621 variables, 0/847 constraints. Problems are: Problem set: 0 solved, 520 unsolved
At refinement iteration 6 (OVERLAPS) 521/1142 variables, 621/1468 constraints. Problems are: Problem set: 0 solved, 520 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/1142 variables, 520/1988 constraints. Problems are: Problem set: 0 solved, 520 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 1142/1142 variables, and 1988 constraints, problems are : Problem set: 0 solved, 520 unsolved in 30020 ms.
Refiners :[Domain max(s): 621/621 constraints, Positive P Invariants (semi-flows): 221/221 constraints, State Equation: 621/621 constraints, PredecessorRefiner: 520/520 constraints, Known Traps: 5/5 constraints]
After SMT, in 60108ms problems are : Problem set: 0 solved, 520 unsolved
Search for dead transitions found 0 dead transitions in 60113ms
Finished structural reductions in SI_LTL mode , in 1 iterations and 60964 ms. Remains : 621/621 places, 521/521 transitions.
Treatment of property ShieldPPPs-PT-020A-LTLFireability-12 finished in 216837 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 623 places. Attempting structural reductions.
Starting structural reductions in SI_LTL mode, iteration 0 : 623/623 places, 523/523 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 0 ms
Reduce places removed 1 places and 0 transitions.
Iterating global reduction 0 with 2 rules applied. Total rules applied 2 place count 621 transition count 521
Performed 1 Post agglomeration using F-continuation condition.Transition count delta: 1
Deduced a syphon composed of 1 places in 1 ms
Reduce places removed 1 places and 0 transitions.
Iterating global reduction 0 with 2 rules applied. Total rules applied 4 place count 620 transition count 520
Applied a total of 4 rules in 40 ms. Remains 620 /623 variables (removed 3) and now considering 520/523 (removed 3) transitions.
// Phase 1: matrix 520 rows 620 cols
[2024-05-29 09:09:14] [INFO ] Computed 221 invariants in 2 ms
[2024-05-29 09:09:14] [INFO ] Implicit Places using invariants in 271 ms returned []
[2024-05-29 09:09:14] [INFO ] Invariant cache hit.
[2024-05-29 09:09:15] [INFO ] Implicit Places using invariants and state equation in 529 ms returned []
Implicit Place search using SMT with State Equation took 802 ms to find 0 implicit places.
[2024-05-29 09:09:15] [INFO ] Redundant transitions in 4 ms returned []
Running 518 sub problems to find dead transitions.
[2024-05-29 09:09:15] [INFO ] Invariant cache hit.
At refinement iteration 0 (INCLUDED_ONLY) 0/620 variables, 620/620 constraints. Problems are: Problem set: 0 solved, 518 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/620 variables, 221/841 constraints. Problems are: Problem set: 0 solved, 518 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/620 variables, 0/841 constraints. Problems are: Problem set: 0 solved, 518 unsolved
At refinement iteration 3 (OVERLAPS) 520/1140 variables, 620/1461 constraints. Problems are: Problem set: 0 solved, 518 unsolved
[2024-05-29 09:09:35] [INFO ] Deduced a trap composed of 12 places in 43 ms of which 1 ms to minimize.
At refinement iteration 4 (INCLUDED_ONLY) 0/1140 variables, 1/1462 constraints. Problems are: Problem set: 0 solved, 518 unsolved
[2024-05-29 09:09:41] [INFO ] Deduced a trap composed of 17 places in 30 ms of which 0 ms to minimize.
[2024-05-29 09:09:41] [INFO ] Deduced a trap composed of 17 places in 24 ms of which 0 ms to minimize.
[2024-05-29 09:09:41] [INFO ] Deduced a trap composed of 17 places in 27 ms of which 0 ms to minimize.
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(s331 timeout
org.smtlib.IParser$ParserException: Unbalanced parentheses at end of input")
Solver is answering 'unknown', stopping.
After SMT solving in domain Real declared 1140/1140 variables, and 1465 constraints, problems are : Problem set: 0 solved, 518 unsolved in 30023 ms.
Refiners :[Domain max(s): 620/620 constraints, Positive P Invariants (semi-flows): 221/221 constraints, State Equation: 620/620 constraints, PredecessorRefiner: 518/518 constraints, Known Traps: 4/4 constraints]
Escalating to Integer solving :Problem set: 0 solved, 518 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/620 variables, 620/620 constraints. Problems are: Problem set: 0 solved, 518 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/620 variables, 221/841 constraints. Problems are: Problem set: 0 solved, 518 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/620 variables, 4/845 constraints. Problems are: Problem set: 0 solved, 518 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/620 variables, 0/845 constraints. Problems are: Problem set: 0 solved, 518 unsolved
At refinement iteration 4 (OVERLAPS) 520/1140 variables, 620/1465 constraints. Problems are: Problem set: 0 solved, 518 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/1140 variables, 518/1983 constraints. Problems are: Problem set: 0 solved, 518 unsolved
[2024-05-29 09:09:57] [INFO ] Deduced a trap composed of 15 places in 28 ms of which 1 ms to minimize.
[2024-05-29 09:09:57] [INFO ] Deduced a trap composed of 10 places in 24 ms of which 1 ms to minimize.
[2024-05-29 09:09:57] [INFO ] Deduced a trap composed of 12 places in 28 ms of which 1 ms to minimize.
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 1140/1140 variables, and 1986 constraints, problems are : Problem set: 0 solved, 518 unsolved in 30017 ms.
Refiners :[Domain max(s): 620/620 constraints, Positive P Invariants (semi-flows): 221/221 constraints, State Equation: 620/620 constraints, PredecessorRefiner: 518/518 constraints, Known Traps: 7/7 constraints]
After SMT, in 60100ms problems are : Problem set: 0 solved, 518 unsolved
Search for dead transitions found 0 dead transitions in 60106ms
Starting structural reductions in SI_LTL mode, iteration 1 : 620/623 places, 520/523 transitions.
Finished structural reductions in SI_LTL mode , in 1 iterations and 60969 ms. Remains : 620/623 places, 520/523 transitions.
Stuttering acceptance computed with spot in 87 ms :[(NOT p0), (NOT p0)]
Running random walk in product with property : ShieldPPPs-PT-020A-LTLFireability-13
Stuttering criterion allowed to conclude after 48891 steps with 570 reset in 196 ms.
FORMULA ShieldPPPs-PT-020A-LTLFireability-13 FALSE TECHNIQUES STUTTER_TEST
Treatment of property ShieldPPPs-PT-020A-LTLFireability-13 finished in 61268 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(F(p1)) U G(p2))&&p0)))'
Support contains 9 out of 623 places. Attempting structural reductions.
Starting structural reductions in SI_LTL mode, iteration 0 : 623/623 places, 523/523 transitions.
Performed 2 Post agglomeration using F-continuation condition.Transition count delta: 2
Deduced a syphon composed of 2 places in 0 ms
Reduce places removed 2 places and 0 transitions.
Iterating global reduction 0 with 4 rules applied. Total rules applied 4 place count 621 transition count 521
Applied a total of 4 rules in 18 ms. Remains 621 /623 variables (removed 2) and now considering 521/523 (removed 2) transitions.
// Phase 1: matrix 521 rows 621 cols
[2024-05-29 09:10:15] [INFO ] Computed 221 invariants in 5 ms
[2024-05-29 09:10:16] [INFO ] Implicit Places using invariants in 294 ms returned []
[2024-05-29 09:10:16] [INFO ] Invariant cache hit.
[2024-05-29 09:10:16] [INFO ] Implicit Places using invariants and state equation in 515 ms returned []
Implicit Place search using SMT with State Equation took 811 ms to find 0 implicit places.
[2024-05-29 09:10:16] [INFO ] Redundant transitions in 3 ms returned []
Running 520 sub problems to find dead transitions.
[2024-05-29 09:10:16] [INFO ] Invariant cache hit.
At refinement iteration 0 (INCLUDED_ONLY) 0/620 variables, 620/620 constraints. Problems are: Problem set: 0 solved, 520 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/620 variables, 0/620 constraints. Problems are: Problem set: 0 solved, 520 unsolved
At refinement iteration 2 (OVERLAPS) 1/621 variables, 221/841 constraints. Problems are: Problem set: 0 solved, 520 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/621 variables, 1/842 constraints. Problems are: Problem set: 0 solved, 520 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/621 variables, 0/842 constraints. Problems are: Problem set: 0 solved, 520 unsolved
At refinement iteration 5 (OVERLAPS) 521/1142 variables, 621/1463 constraints. Problems are: Problem set: 0 solved, 520 unsolved
[2024-05-29 09:10:35] [INFO ] Deduced a trap composed of 11 places in 22 ms of which 1 ms to minimize.
[2024-05-29 09:10:35] [INFO ] Deduced a trap composed of 11 places in 19 ms of which 1 ms to minimize.
[2024-05-29 09:10:37] [INFO ] Deduced a trap composed of 18 places in 27 ms of which 0 ms to minimize.
[2024-05-29 09:10:38] [INFO ] Deduced a trap composed of 18 places in 21 ms of which 1 ms to minimize.
[2024-05-29 09:10:38] [INFO ] Deduced a trap composed of 18 places in 23 ms of which 1 ms to minimize.
Error getting values : (error "ParserException while parsing response: (timeout
org.smtlib.IParser$ParserException: Unbalanced parentheses at end of input")
At refinement iteration 6 (INCLUDED_ONLY) 0/1142 variables, 5/1468 constraints. Problems are: Problem set: 0 solved, 520 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Real declared 1142/1142 variables, and 1468 constraints, problems are : Problem set: 0 solved, 520 unsolved in 30012 ms.
Refiners :[Domain max(s): 621/621 constraints, Positive P Invariants (semi-flows): 221/221 constraints, State Equation: 621/621 constraints, PredecessorRefiner: 520/520 constraints, Known Traps: 5/5 constraints]
Escalating to Integer solving :Problem set: 0 solved, 520 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/620 variables, 620/620 constraints. Problems are: Problem set: 0 solved, 520 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/620 variables, 0/620 constraints. Problems are: Problem set: 0 solved, 520 unsolved
At refinement iteration 2 (OVERLAPS) 1/621 variables, 221/841 constraints. Problems are: Problem set: 0 solved, 520 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/621 variables, 1/842 constraints. Problems are: Problem set: 0 solved, 520 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/621 variables, 5/847 constraints. Problems are: Problem set: 0 solved, 520 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/621 variables, 0/847 constraints. Problems are: Problem set: 0 solved, 520 unsolved
At refinement iteration 6 (OVERLAPS) 521/1142 variables, 621/1468 constraints. Problems are: Problem set: 0 solved, 520 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/1142 variables, 520/1988 constraints. Problems are: Problem set: 0 solved, 520 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 1142/1142 variables, and 1988 constraints, problems are : Problem set: 0 solved, 520 unsolved in 30017 ms.
Refiners :[Domain max(s): 621/621 constraints, Positive P Invariants (semi-flows): 221/221 constraints, State Equation: 621/621 constraints, PredecessorRefiner: 520/520 constraints, Known Traps: 5/5 constraints]
After SMT, in 60114ms problems are : Problem set: 0 solved, 520 unsolved
Search for dead transitions found 0 dead transitions in 60119ms
Starting structural reductions in SI_LTL mode, iteration 1 : 621/623 places, 521/523 transitions.
Finished structural reductions in SI_LTL mode , in 1 iterations and 60956 ms. Remains : 621/623 places, 521/523 transitions.
Stuttering acceptance computed with spot in 198 ms :[(OR (NOT p2) (NOT p0)), (OR (AND (NOT p0) (NOT p1)) (AND (NOT p1) (NOT p2))), (AND (NOT p0) (NOT p1) p2), (NOT p2), (AND (NOT p1) (NOT p2))]
Running random walk in product with property : ShieldPPPs-PT-020A-LTLFireability-14
Stuttering criterion allowed to conclude after 1487 steps with 0 reset in 15 ms.
FORMULA ShieldPPPs-PT-020A-LTLFireability-14 FALSE TECHNIQUES STUTTER_TEST
Treatment of property ShieldPPPs-PT-020A-LTLFireability-14 finished in 61198 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(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' '!(G(F((!p0 U (p1||G(!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(F(p0))&&F(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' '!(X((F(p0) U G(p1))))'
Found a Lengthening insensitive property : ShieldPPPs-PT-020A-LTLFireability-12
Stuttering acceptance computed with spot in 132 ms :[(NOT p1), (NOT p1), (NOT p0)]
Support contains 4 out of 623 places. Attempting structural reductions.
Starting structural reductions in LI_LTL mode, iteration 0 : 623/623 places, 523/523 transitions.
Performed 2 Post agglomeration using F-continuation condition.Transition count delta: 2
Deduced a syphon composed of 2 places in 1 ms
Reduce places removed 2 places and 0 transitions.
Iterating global reduction 0 with 4 rules applied. Total rules applied 4 place count 621 transition count 521
Applied a total of 4 rules in 26 ms. Remains 621 /623 variables (removed 2) and now considering 521/523 (removed 2) transitions.
[2024-05-29 09:11:17] [INFO ] Invariant cache hit.
[2024-05-29 09:11:18] [INFO ] Implicit Places using invariants in 298 ms returned []
[2024-05-29 09:11:18] [INFO ] Invariant cache hit.
[2024-05-29 09:11:18] [INFO ] Implicit Places using invariants and state equation in 537 ms returned []
Implicit Place search using SMT with State Equation took 837 ms to find 0 implicit places.
Running 520 sub problems to find dead transitions.
[2024-05-29 09:11:18] [INFO ] Invariant cache hit.
At refinement iteration 0 (INCLUDED_ONLY) 0/620 variables, 620/620 constraints. Problems are: Problem set: 0 solved, 520 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/620 variables, 0/620 constraints. Problems are: Problem set: 0 solved, 520 unsolved
At refinement iteration 2 (OVERLAPS) 1/621 variables, 221/841 constraints. Problems are: Problem set: 0 solved, 520 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/621 variables, 1/842 constraints. Problems are: Problem set: 0 solved, 520 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/621 variables, 0/842 constraints. Problems are: Problem set: 0 solved, 520 unsolved
At refinement iteration 5 (OVERLAPS) 521/1142 variables, 621/1463 constraints. Problems are: Problem set: 0 solved, 520 unsolved
[2024-05-29 09:11:37] [INFO ] Deduced a trap composed of 11 places in 25 ms of which 0 ms to minimize.
[2024-05-29 09:11:37] [INFO ] Deduced a trap composed of 11 places in 24 ms of which 0 ms to minimize.
[2024-05-29 09:11:39] [INFO ] Deduced a trap composed of 18 places in 31 ms of which 0 ms to minimize.
[2024-05-29 09:11:40] [INFO ] Deduced a trap composed of 18 places in 28 ms of which 1 ms to minimize.
[2024-05-29 09:11:40] [INFO ] Deduced a trap composed of 18 places in 23 ms of which 0 ms to minimize.
Error getting values : (error "ParserException while parsing response: (timeout
org.smtlib.IParser$ParserException: Unbalanced parentheses at end of input")
At refinement iteration 6 (INCLUDED_ONLY) 0/1142 variables, 5/1468 constraints. Problems are: Problem set: 0 solved, 520 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Real declared 1142/1142 variables, and 1468 constraints, problems are : Problem set: 0 solved, 520 unsolved in 30014 ms.
Refiners :[Domain max(s): 621/621 constraints, Positive P Invariants (semi-flows): 221/221 constraints, State Equation: 621/621 constraints, PredecessorRefiner: 520/520 constraints, Known Traps: 5/5 constraints]
Escalating to Integer solving :Problem set: 0 solved, 520 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/620 variables, 620/620 constraints. Problems are: Problem set: 0 solved, 520 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/620 variables, 0/620 constraints. Problems are: Problem set: 0 solved, 520 unsolved
At refinement iteration 2 (OVERLAPS) 1/621 variables, 221/841 constraints. Problems are: Problem set: 0 solved, 520 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/621 variables, 1/842 constraints. Problems are: Problem set: 0 solved, 520 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/621 variables, 5/847 constraints. Problems are: Problem set: 0 solved, 520 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/621 variables, 0/847 constraints. Problems are: Problem set: 0 solved, 520 unsolved
At refinement iteration 6 (OVERLAPS) 521/1142 variables, 621/1468 constraints. Problems are: Problem set: 0 solved, 520 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/1142 variables, 520/1988 constraints. Problems are: Problem set: 0 solved, 520 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 1142/1142 variables, and 1988 constraints, problems are : Problem set: 0 solved, 520 unsolved in 30013 ms.
Refiners :[Domain max(s): 621/621 constraints, Positive P Invariants (semi-flows): 221/221 constraints, State Equation: 621/621 constraints, PredecessorRefiner: 520/520 constraints, Known Traps: 5/5 constraints]
After SMT, in 60100ms problems are : Problem set: 0 solved, 520 unsolved
Search for dead transitions found 0 dead transitions in 60105ms
Starting structural reductions in LI_LTL mode, iteration 1 : 621/623 places, 521/523 transitions.
Finished structural reductions in LI_LTL mode , in 1 iterations and 60969 ms. Remains : 621/623 places, 521/523 transitions.
Running random walk in product with property : ShieldPPPs-PT-020A-LTLFireability-12
Product exploration explored 100000 steps with 172 reset in 501 ms.
Product exploration explored 100000 steps with 172 reset in 592 ms.
Computed a total of 1 stabilizing places and 1 stable transitions
Computed a total of 1 stabilizing places and 1 stable transitions
Knowledge obtained : [(AND (NOT p1) (NOT p0)), (X (AND (NOT p1) (NOT p0))), (X (NOT p0)), (X (NOT p1)), (X (X (AND (NOT p1) (NOT p0)))), (X (X (NOT p0))), (X (X (NOT p1)))]
False Knowledge obtained : []
Knowledge sufficient to adopt a stutter insensitive property.
Knowledge based reduction with 7 factoid took 102 ms. Reduced automaton from 3 states, 5 edges and 2 AP (stutter sensitive) to 2 states, 4 edges and 2 AP (stutter insensitive).
Stuttering acceptance computed with spot in 75 ms :[(NOT p1), (NOT p0)]
RANDOM walk for 4178 steps (0 resets) in 37 ms. (109 steps per ms) remains 0/3 properties
Knowledge obtained : [(AND (NOT p1) (NOT p0)), (X (AND (NOT p1) (NOT p0))), (X (NOT p0)), (X (NOT p1)), (X (X (AND (NOT p1) (NOT p0)))), (X (X (NOT p0))), (X (X (NOT p1)))]
False Knowledge obtained : [(F (NOT (AND (NOT p0) (NOT p1)))), (F p1), (F p0)]
Knowledge based reduction with 7 factoid took 169 ms. Reduced automaton from 2 states, 4 edges and 2 AP (stutter insensitive) to 2 states, 4 edges and 2 AP (stutter insensitive).
Stuttering acceptance computed with spot in 68 ms :[(NOT p1), (NOT p0)]
Stuttering acceptance computed with spot in 83 ms :[(NOT p1), (NOT p0)]
[2024-05-29 09:12:20] [INFO ] Invariant cache hit.
[2024-05-29 09:12:20] [INFO ] [Real]Absence check using 221 positive place invariants in 110 ms returned sat
[2024-05-29 09:12:21] [INFO ] [Real]Absence check using state equation in 1130 ms returned sat
[2024-05-29 09:12:21] [INFO ] Solution in real domain found non-integer solution.
[2024-05-29 09:12:22] [INFO ] [Nat]Absence check using 221 positive place invariants in 100 ms returned sat
[2024-05-29 09:12:23] [INFO ] [Nat]Absence check using state equation in 1246 ms returned sat
[2024-05-29 09:12:23] [INFO ] Deduced a trap composed of 23 places in 37 ms of which 0 ms to minimize.
[2024-05-29 09:12:23] [INFO ] Trap strengthening (SAT) tested/added 2/1 trap constraints in 109 ms
[2024-05-29 09:12:23] [INFO ] Computed and/alt/rep : 520/1447/520 causal constraints (skipped 0 transitions) in 31 ms.
[2024-05-29 09:12:36] [INFO ] Added : 515 causal constraints over 105 iterations in 12554 ms. Result :unknown
Could not prove EG (NOT p1)
Support contains 4 out of 621 places. Attempting structural reductions.
Starting structural reductions in SI_LTL mode, iteration 0 : 621/621 places, 521/521 transitions.
Applied a total of 0 rules in 20 ms. Remains 621 /621 variables (removed 0) and now considering 521/521 (removed 0) transitions.
[2024-05-29 09:12:36] [INFO ] Invariant cache hit.
[2024-05-29 09:12:36] [INFO ] Implicit Places using invariants in 307 ms returned []
[2024-05-29 09:12:36] [INFO ] Invariant cache hit.
[2024-05-29 09:12:37] [INFO ] Implicit Places using invariants and state equation in 531 ms returned []
Implicit Place search using SMT with State Equation took 840 ms to find 0 implicit places.
[2024-05-29 09:12:37] [INFO ] Redundant transitions in 3 ms returned []
Running 520 sub problems to find dead transitions.
[2024-05-29 09:12:37] [INFO ] Invariant cache hit.
At refinement iteration 0 (INCLUDED_ONLY) 0/620 variables, 620/620 constraints. Problems are: Problem set: 0 solved, 520 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/620 variables, 0/620 constraints. Problems are: Problem set: 0 solved, 520 unsolved
At refinement iteration 2 (OVERLAPS) 1/621 variables, 221/841 constraints. Problems are: Problem set: 0 solved, 520 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/621 variables, 1/842 constraints. Problems are: Problem set: 0 solved, 520 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/621 variables, 0/842 constraints. Problems are: Problem set: 0 solved, 520 unsolved
At refinement iteration 5 (OVERLAPS) 521/1142 variables, 621/1463 constraints. Problems are: Problem set: 0 solved, 520 unsolved
[2024-05-29 09:12:55] [INFO ] Deduced a trap composed of 11 places in 22 ms of which 1 ms to minimize.
[2024-05-29 09:12:55] [INFO ] Deduced a trap composed of 11 places in 22 ms of which 1 ms to minimize.
[2024-05-29 09:12:58] [INFO ] Deduced a trap composed of 18 places in 33 ms of which 0 ms to minimize.
[2024-05-29 09:12:58] [INFO ] Deduced a trap composed of 18 places in 32 ms of which 1 ms to minimize.
[2024-05-29 09:12:58] [INFO ] Deduced a trap composed of 18 places in 28 ms of which 1 ms to minimize.
Error getting values : (error "ParserException while parsing response: ((s0 0.0)
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org.smtlib.IParser$ParserException: Unbalanced parentheses at end of input")
At refinement iteration 6 (INCLUDED_ONLY) 0/1142 variables, 5/1468 constraints. Problems are: Problem set: 0 solved, 520 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Real declared 1142/1142 variables, and 1468 constraints, problems are : Problem set: 0 solved, 520 unsolved in 30015 ms.
Refiners :[Domain max(s): 621/621 constraints, Positive P Invariants (semi-flows): 221/221 constraints, State Equation: 621/621 constraints, PredecessorRefiner: 520/520 constraints, Known Traps: 5/5 constraints]
Escalating to Integer solving :Problem set: 0 solved, 520 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/620 variables, 620/620 constraints. Problems are: Problem set: 0 solved, 520 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/620 variables, 0/620 constraints. Problems are: Problem set: 0 solved, 520 unsolved
At refinement iteration 2 (OVERLAPS) 1/621 variables, 221/841 constraints. Problems are: Problem set: 0 solved, 520 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/621 variables, 1/842 constraints. Problems are: Problem set: 0 solved, 520 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/621 variables, 5/847 constraints. Problems are: Problem set: 0 solved, 520 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/621 variables, 0/847 constraints. Problems are: Problem set: 0 solved, 520 unsolved
At refinement iteration 6 (OVERLAPS) 521/1142 variables, 621/1468 constraints. Problems are: Problem set: 0 solved, 520 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/1142 variables, 520/1988 constraints. Problems are: Problem set: 0 solved, 520 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 1142/1142 variables, and 1988 constraints, problems are : Problem set: 0 solved, 520 unsolved in 30017 ms.
Refiners :[Domain max(s): 621/621 constraints, Positive P Invariants (semi-flows): 221/221 constraints, State Equation: 621/621 constraints, PredecessorRefiner: 520/520 constraints, Known Traps: 5/5 constraints]
After SMT, in 60105ms problems are : Problem set: 0 solved, 520 unsolved
Search for dead transitions found 0 dead transitions in 60110ms
Finished structural reductions in SI_LTL mode , in 1 iterations and 60979 ms. Remains : 621/621 places, 521/521 transitions.
Computed a total of 1 stabilizing places and 1 stable transitions
Computed a total of 1 stabilizing places and 1 stable transitions
Knowledge obtained : [(AND (NOT p1) (NOT p0)), (X (AND (NOT p0) (NOT p1))), (X (NOT p0)), (X (NOT p1)), (X (X (AND (NOT p0) (NOT p1)))), (X (X (NOT p0))), (X (X (NOT p1)))]
False Knowledge obtained : []
Knowledge based reduction with 7 factoid took 80 ms. Reduced automaton from 2 states, 4 edges and 2 AP (stutter insensitive) to 2 states, 4 edges and 2 AP (stutter insensitive).
Stuttering acceptance computed with spot in 83 ms :[(NOT p1), (NOT p0)]
RANDOM walk for 4155 steps (0 resets) in 47 ms. (86 steps per ms) remains 0/3 properties
Knowledge obtained : [(AND (NOT p1) (NOT p0)), (X (AND (NOT p0) (NOT p1))), (X (NOT p0)), (X (NOT p1)), (X (X (AND (NOT p0) (NOT p1)))), (X (X (NOT p0))), (X (X (NOT p1)))]
False Knowledge obtained : [(F (NOT (AND (NOT p0) (NOT p1)))), (F p1), (F p0)]
Knowledge based reduction with 7 factoid took 157 ms. Reduced automaton from 2 states, 4 edges and 2 AP (stutter insensitive) to 2 states, 4 edges and 2 AP (stutter insensitive).
Stuttering acceptance computed with spot in 81 ms :[(NOT p1), (NOT p0)]
Stuttering acceptance computed with spot in 86 ms :[(NOT p1), (NOT p0)]
[2024-05-29 09:13:37] [INFO ] Invariant cache hit.
[2024-05-29 09:13:38] [INFO ] [Real]Absence check using 221 positive place invariants in 112 ms returned sat
[2024-05-29 09:13:39] [INFO ] [Real]Absence check using state equation in 1112 ms returned sat
[2024-05-29 09:13:39] [INFO ] Solution in real domain found non-integer solution.
[2024-05-29 09:13:39] [INFO ] [Nat]Absence check using 221 positive place invariants in 99 ms returned sat
[2024-05-29 09:13:40] [INFO ] [Nat]Absence check using state equation in 1228 ms returned sat
[2024-05-29 09:13:41] [INFO ] Deduced a trap composed of 23 places in 36 ms of which 0 ms to minimize.
[2024-05-29 09:13:41] [INFO ] Trap strengthening (SAT) tested/added 2/1 trap constraints in 98 ms
[2024-05-29 09:13:41] [INFO ] Computed and/alt/rep : 520/1447/520 causal constraints (skipped 0 transitions) in 27 ms.
[2024-05-29 09:13:53] [INFO ] Added : 515 causal constraints over 105 iterations in 12669 ms. Result :unknown
Could not prove EG (NOT p1)
Stuttering acceptance computed with spot in 64 ms :[(NOT p1), (NOT p0)]
Product exploration explored 100000 steps with 168 reset in 502 ms.
Product exploration explored 100000 steps with 169 reset in 584 ms.
Support contains 4 out of 621 places. Attempting structural reductions.
Starting structural reductions in SI_LTL mode, iteration 0 : 621/621 places, 521/521 transitions.
Applied a total of 0 rules in 10 ms. Remains 621 /621 variables (removed 0) and now considering 521/521 (removed 0) transitions.
[2024-05-29 09:13:54] [INFO ] Invariant cache hit.
[2024-05-29 09:13:55] [INFO ] Implicit Places using invariants in 290 ms returned []
[2024-05-29 09:13:55] [INFO ] Invariant cache hit.
[2024-05-29 09:13:55] [INFO ] Implicit Places using invariants and state equation in 524 ms returned []
Implicit Place search using SMT with State Equation took 815 ms to find 0 implicit places.
[2024-05-29 09:13:55] [INFO ] Redundant transitions in 4 ms returned []
Running 520 sub problems to find dead transitions.
[2024-05-29 09:13:55] [INFO ] Invariant cache hit.
At refinement iteration 0 (INCLUDED_ONLY) 0/620 variables, 620/620 constraints. Problems are: Problem set: 0 solved, 520 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/620 variables, 0/620 constraints. Problems are: Problem set: 0 solved, 520 unsolved
At refinement iteration 2 (OVERLAPS) 1/621 variables, 221/841 constraints. Problems are: Problem set: 0 solved, 520 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/621 variables, 1/842 constraints. Problems are: Problem set: 0 solved, 520 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/621 variables, 0/842 constraints. Problems are: Problem set: 0 solved, 520 unsolved
At refinement iteration 5 (OVERLAPS) 521/1142 variables, 621/1463 constraints. Problems are: Problem set: 0 solved, 520 unsolved
[2024-05-29 09:14:14] [INFO ] Deduced a trap composed of 11 places in 27 ms of which 0 ms to minimize.
[2024-05-29 09:14:14] [INFO ] Deduced a trap composed of 11 places in 20 ms of which 1 ms to minimize.
[2024-05-29 09:14:16] [INFO ] Deduced a trap composed of 18 places in 29 ms of which 1 ms to minimize.
[2024-05-29 09:14:17] [INFO ] Deduced a trap composed of 18 places in 27 ms of which 1 ms to minimize.
[2024-05-29 09:14:17] [INFO ] Deduced a trap composed of 18 places in 26 ms of which 1 ms to minimize.
Error getting values : (error "Error writing to Z3 solver: java.io.IOException: Broken pipe")
At refinement iteration 6 (INCLUDED_ONLY) 0/1142 variables, 5/1468 constraints. Problems are: Problem set: 0 solved, 520 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Real declared 1142/1142 variables, and 1468 constraints, problems are : Problem set: 0 solved, 520 unsolved in 30017 ms.
Refiners :[Domain max(s): 621/621 constraints, Positive P Invariants (semi-flows): 221/221 constraints, State Equation: 621/621 constraints, PredecessorRefiner: 520/520 constraints, Known Traps: 5/5 constraints]
Escalating to Integer solving :Problem set: 0 solved, 520 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/620 variables, 620/620 constraints. Problems are: Problem set: 0 solved, 520 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/620 variables, 0/620 constraints. Problems are: Problem set: 0 solved, 520 unsolved
At refinement iteration 2 (OVERLAPS) 1/621 variables, 221/841 constraints. Problems are: Problem set: 0 solved, 520 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/621 variables, 1/842 constraints. Problems are: Problem set: 0 solved, 520 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/621 variables, 5/847 constraints. Problems are: Problem set: 0 solved, 520 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/621 variables, 0/847 constraints. Problems are: Problem set: 0 solved, 520 unsolved
At refinement iteration 6 (OVERLAPS) 521/1142 variables, 621/1468 constraints. Problems are: Problem set: 0 solved, 520 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/1142 variables, 520/1988 constraints. Problems are: Problem set: 0 solved, 520 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 1142/1142 variables, and 1988 constraints, problems are : Problem set: 0 solved, 520 unsolved in 30019 ms.
Refiners :[Domain max(s): 621/621 constraints, Positive P Invariants (semi-flows): 221/221 constraints, State Equation: 621/621 constraints, PredecessorRefiner: 520/520 constraints, Known Traps: 5/5 constraints]
After SMT, in 60108ms problems are : Problem set: 0 solved, 520 unsolved
Search for dead transitions found 0 dead transitions in 60113ms
Finished structural reductions in SI_LTL mode , in 1 iterations and 60947 ms. Remains : 621/621 places, 521/521 transitions.
Treatment of property ShieldPPPs-PT-020A-LTLFireability-12 finished in 218287 ms.
[2024-05-29 09:14:55] [INFO ] Flatten gal took : 37 ms
[2024-05-29 09:14:55] [INFO ] Export to MCC of 5 properties in file /home/mcc/execution/LTLFireability.sr.xml took 2 ms.
[2024-05-29 09:14:55] [INFO ] Export to PNML in file /home/mcc/execution/model.sr.pnml of net with 623 places, 523 transitions and 2006 arcs took 9 ms.
Total runtime 1955730 ms.
There are residual formulas that ITS could not solve within timeout
----------------------------------------------------------------------
GreatSPN-meddly tool, MCC 2023
----------------------------------------------------------------------

Running ShieldPPPs-PT-020A

IS_COLORED=
IS_NUPN=

LOADING PETRI NET FILE /home/mcc/execution/411/model.pnml (PNML) ...
PNML VERSION 2009, P/T NET.
COLOR CLASSES: 0
CONSTANTS: 0
PLACES: 623
TRANSITIONS: 523
COLOR VARS: 0
MEASURES: 0
LOADING TIME: [User 0.012s, Sys 0.003s]


SAVING FILE /home/mcc/execution/411/model (.net / .def) ...
EXPORT TIME: [User 0.002s, 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: 2595
MODEL NAME: /home/mcc/execution/411/model
623 places, 523 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
Error in allocating array of size 8388608 at unique_table.cc, line 313
MEDDLY ERROR: Insufficient memory

MEDDLY ERROR: Insufficient memory

Sequence of Actions to be Executed by the VM

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

set -x
# this is for BenchKit: configuration of major elements for the test
export BK_INPUT="ShieldPPPs-PT-020A"
export BK_EXAMINATION="LTLFireability"
export BK_TOOL="greatspnxred"
export BK_RESULT_DIR="/tmp/BK_RESULTS/OUTPUTS"
export BK_TIME_CONFINEMENT="3600"
export BK_MEMORY_CONFINEMENT="16384"
export BK_BIN_PATH="/home/mcc/BenchKit/bin/"

# this is specific to your benchmark or test

export BIN_DIR="$HOME/BenchKit/bin"

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

# this is for BenchKit: explicit launching of the test
echo "====================================================================="
echo " Generated by BenchKit 2-5568"
echo " Executing tool greatspnxred"
echo " Input is ShieldPPPs-PT-020A, examination is LTLFireability"
echo " Time confinement is $BK_TIME_CONFINEMENT seconds"
echo " Memory confinement is 16384 MBytes"
echo " Number of cores is 4"
echo " Run identifier is r355-tall-171683758800452"
echo "====================================================================="
echo
echo "--------------------"
echo "preparation of the directory to be used:"

tar xzf /home/mcc/BenchKit/INPUTS/ShieldPPPs-PT-020A.tgz
mv ShieldPPPs-PT-020A execution
cd execution
if [ "LTLFireability" = "ReachabilityDeadlock" ] || [ "LTLFireability" = "UpperBounds" ] || [ "LTLFireability" = "QuasiLiveness" ] || [ "LTLFireability" = "StableMarking" ] || [ "LTLFireability" = "Liveness" ] || [ "LTLFireability" = "OneSafe" ] || [ "LTLFireability" = "StateSpace" ]; then
rm -f GenericPropertiesVerdict.xml
fi
pwd
ls -lh

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