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.r356-tall-171683761400564.qcow2', fmt=qcow2 size=4294967296 backing_file=/data/fkordon/mcc2024-input.qcow2 backing_fmt=qcow2 cluster_size=65536 lazy_refcounts=off refcount_bits=16
Waiting for the VM to be ready (probing ssh)
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=====================================================================
Generated by BenchKit 2-5568
Executing tool itstools
Input is ShieldPPPt-PT-003A, examination is LTLFireability
Time confinement is 3600 seconds
Memory confinement is 16384 MBytes
Number of cores is 4
Run identifier is r356-tall-171683761400564
=====================================================================

--------------------
preparation of the directory to be used:
/home/mcc/execution
total 584K
-rw-r--r-- 1 mcc users 6.0K May 14 13:22 CTLCardinality.txt
-rw-r--r-- 1 mcc users 63K May 14 13:22 CTLCardinality.xml
-rw-r--r-- 1 mcc users 5.7K May 14 13:22 CTLFireability.txt
-rw-r--r-- 1 mcc users 55K 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 6.6K May 18 16:43 GenericPropertiesVerdict.xml
-rw-r--r-- 1 mcc users 3.8K Apr 23 07:54 LTLCardinality.txt
-rw-r--r-- 1 mcc users 27K Apr 23 07:54 LTLCardinality.xml
-rw-r--r-- 1 mcc users 2.1K Apr 23 07:54 LTLFireability.txt
-rw-r--r-- 1 mcc users 17K Apr 23 07:54 LTLFireability.xml
-rw-r--r-- 1 mcc users 16K Apr 11 14:38 ReachabilityCardinality.txt
-rw-r--r-- 1 mcc users 181K Apr 11 14:38 ReachabilityCardinality.xml
-rw-r--r-- 1 mcc users 12K Apr 11 14:37 ReachabilityFireability.txt
-rw-r--r-- 1 mcc users 117K Apr 11 14:37 ReachabilityFireability.xml
-rw-r--r-- 1 mcc users 1.6K Apr 23 07:54 UpperBounds.txt
-rw-r--r-- 1 mcc users 3.7K Apr 23 07:54 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 21K 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 ShieldPPPt-PT-003A-LTLFireability-00
FORMULA_NAME ShieldPPPt-PT-003A-LTLFireability-01
FORMULA_NAME ShieldPPPt-PT-003A-LTLFireability-02
FORMULA_NAME ShieldPPPt-PT-003A-LTLFireability-03
FORMULA_NAME ShieldPPPt-PT-003A-LTLFireability-04
FORMULA_NAME ShieldPPPt-PT-003A-LTLFireability-05
FORMULA_NAME ShieldPPPt-PT-003A-LTLFireability-06
FORMULA_NAME ShieldPPPt-PT-003A-LTLFireability-07
FORMULA_NAME ShieldPPPt-PT-003A-LTLFireability-08
FORMULA_NAME ShieldPPPt-PT-003A-LTLFireability-09
FORMULA_NAME ShieldPPPt-PT-003A-LTLFireability-10
FORMULA_NAME ShieldPPPt-PT-003A-LTLFireability-11
FORMULA_NAME ShieldPPPt-PT-003A-LTLFireability-12
FORMULA_NAME ShieldPPPt-PT-003A-LTLFireability-13
FORMULA_NAME ShieldPPPt-PT-003A-LTLFireability-14
FORMULA_NAME ShieldPPPt-PT-003A-LTLFireability-15

=== Now, execution of the tool begins

BK_START 1717002687166

Invoking MCC driver with
BK_TOOL=itstools
BK_EXAMINATION=LTLFireability
BK_BIN_PATH=/home/mcc/BenchKit/bin/
BK_TIME_CONFINEMENT=3600
BK_INPUT=ShieldPPPt-PT-003A
BK_MEMORY_CONFINEMENT=16384
Not applying reductions.
Model is PT
LTLFireability PT
Running Version 202405141337
[2024-05-29 17:11:28] [INFO ] Running its-tools with arguments : [-pnfolder, /home/mcc/execution, -examination, LTLFireability, -its, -ltsmin, -greatspnpath, /home/mcc/BenchKit/bin//../itstools/bin//..//greatspn/, -order, META, -manyOrder, -smt, -timeout, 3600]
[2024-05-29 17:11:28] [INFO ] Parsing pnml file : /home/mcc/execution/model.pnml
[2024-05-29 17:11:28] [INFO ] Load time of PNML (sax parser for PT used): 50 ms
[2024-05-29 17:11:28] [INFO ] Transformed 78 places.
[2024-05-29 17:11:28] [INFO ] Transformed 57 transitions.
[2024-05-29 17:11:28] [INFO ] Found NUPN structural information;
[2024-05-29 17:11:28] [INFO ] Parsed PT model containing 78 places and 57 transitions and 222 arcs in 145 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.
Ensure Unique test removed 1 transitions
Reduce redundant transitions removed 1 transitions.
FORMULA ShieldPPPt-PT-003A-LTLFireability-00 TRUE TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA ShieldPPPt-PT-003A-LTLFireability-15 TRUE TECHNIQUES TOPOLOGICAL INITIAL_STATE
Support contains 37 out of 78 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 78/78 places, 56/56 transitions.
Applied a total of 0 rules in 10 ms. Remains 78 /78 variables (removed 0) and now considering 56/56 (removed 0) transitions.
// Phase 1: matrix 56 rows 78 cols
[2024-05-29 17:11:28] [INFO ] Computed 34 invariants in 11 ms
[2024-05-29 17:11:28] [INFO ] Implicit Places using invariants in 180 ms returned []
[2024-05-29 17:11:28] [INFO ] Invariant cache hit.
[2024-05-29 17:11:28] [INFO ] Implicit Places using invariants and state equation in 87 ms returned []
Implicit Place search using SMT with State Equation took 296 ms to find 0 implicit places.
Running 55 sub problems to find dead transitions.
[2024-05-29 17:11:28] [INFO ] Invariant cache hit.
At refinement iteration 0 (INCLUDED_ONLY) 0/77 variables, 77/77 constraints. Problems are: Problem set: 0 solved, 55 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/77 variables, 0/77 constraints. Problems are: Problem set: 0 solved, 55 unsolved
At refinement iteration 2 (OVERLAPS) 1/78 variables, 34/111 constraints. Problems are: Problem set: 0 solved, 55 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/78 variables, 1/112 constraints. Problems are: Problem set: 0 solved, 55 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/78 variables, 0/112 constraints. Problems are: Problem set: 0 solved, 55 unsolved
At refinement iteration 5 (OVERLAPS) 56/134 variables, 78/190 constraints. Problems are: Problem set: 0 solved, 55 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/134 variables, 0/190 constraints. Problems are: Problem set: 0 solved, 55 unsolved
At refinement iteration 7 (OVERLAPS) 0/134 variables, 0/190 constraints. Problems are: Problem set: 0 solved, 55 unsolved
No progress, stopping.
After SMT solving in domain Real declared 134/134 variables, and 190 constraints, problems are : Problem set: 0 solved, 55 unsolved in 998 ms.
Refiners :[Domain max(s): 78/78 constraints, Positive P Invariants (semi-flows): 34/34 constraints, State Equation: 78/78 constraints, PredecessorRefiner: 55/55 constraints, Known Traps: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 55 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/77 variables, 77/77 constraints. Problems are: Problem set: 0 solved, 55 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/77 variables, 0/77 constraints. Problems are: Problem set: 0 solved, 55 unsolved
At refinement iteration 2 (OVERLAPS) 1/78 variables, 34/111 constraints. Problems are: Problem set: 0 solved, 55 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/78 variables, 1/112 constraints. Problems are: Problem set: 0 solved, 55 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/78 variables, 0/112 constraints. Problems are: Problem set: 0 solved, 55 unsolved
At refinement iteration 5 (OVERLAPS) 56/134 variables, 78/190 constraints. Problems are: Problem set: 0 solved, 55 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/134 variables, 55/245 constraints. Problems are: Problem set: 0 solved, 55 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/134 variables, 0/245 constraints. Problems are: Problem set: 0 solved, 55 unsolved
At refinement iteration 8 (OVERLAPS) 0/134 variables, 0/245 constraints. Problems are: Problem set: 0 solved, 55 unsolved
No progress, stopping.
After SMT solving in domain Int declared 134/134 variables, and 245 constraints, problems are : Problem set: 0 solved, 55 unsolved in 1301 ms.
Refiners :[Domain max(s): 78/78 constraints, Positive P Invariants (semi-flows): 34/34 constraints, State Equation: 78/78 constraints, PredecessorRefiner: 55/55 constraints, Known Traps: 0/0 constraints]
After SMT, in 2340ms problems are : Problem set: 0 solved, 55 unsolved
Search for dead transitions found 0 dead transitions in 2353ms
Finished structural reductions in LTL mode , in 1 iterations and 2675 ms. Remains : 78/78 places, 56/56 transitions.
Support contains 37 out of 78 places after structural reductions.
[2024-05-29 17:11:31] [INFO ] Flatten gal took : 23 ms
[2024-05-29 17:11:31] [INFO ] Flatten gal took : 9 ms
[2024-05-29 17:11:31] [INFO ] Input system was already deterministic with 56 transitions.
RANDOM walk for 3828 steps (0 resets) in 187 ms. (20 steps per ms) remains 0/25 properties
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' '!(X((p0&&X(F(((X(X(!p1))&&F(p2))||G(!p1)))))))'
Support contains 4 out of 78 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 78/78 places, 56/56 transitions.
Applied a total of 0 rules in 2 ms. Remains 78 /78 variables (removed 0) and now considering 56/56 (removed 0) transitions.
[2024-05-29 17:11:32] [INFO ] Invariant cache hit.
[2024-05-29 17:11:32] [INFO ] Implicit Places using invariants in 59 ms returned []
[2024-05-29 17:11:32] [INFO ] Invariant cache hit.
[2024-05-29 17:11:32] [INFO ] Implicit Places using invariants and state equation in 81 ms returned []
Implicit Place search using SMT with State Equation took 143 ms to find 0 implicit places.
Running 55 sub problems to find dead transitions.
[2024-05-29 17:11:32] [INFO ] Invariant cache hit.
At refinement iteration 0 (INCLUDED_ONLY) 0/77 variables, 77/77 constraints. Problems are: Problem set: 0 solved, 55 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/77 variables, 0/77 constraints. Problems are: Problem set: 0 solved, 55 unsolved
At refinement iteration 2 (OVERLAPS) 1/78 variables, 34/111 constraints. Problems are: Problem set: 0 solved, 55 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/78 variables, 1/112 constraints. Problems are: Problem set: 0 solved, 55 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/78 variables, 0/112 constraints. Problems are: Problem set: 0 solved, 55 unsolved
At refinement iteration 5 (OVERLAPS) 56/134 variables, 78/190 constraints. Problems are: Problem set: 0 solved, 55 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/134 variables, 0/190 constraints. Problems are: Problem set: 0 solved, 55 unsolved
At refinement iteration 7 (OVERLAPS) 0/134 variables, 0/190 constraints. Problems are: Problem set: 0 solved, 55 unsolved
No progress, stopping.
After SMT solving in domain Real declared 134/134 variables, and 190 constraints, problems are : Problem set: 0 solved, 55 unsolved in 792 ms.
Refiners :[Domain max(s): 78/78 constraints, Positive P Invariants (semi-flows): 34/34 constraints, State Equation: 78/78 constraints, PredecessorRefiner: 55/55 constraints, Known Traps: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 55 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/77 variables, 77/77 constraints. Problems are: Problem set: 0 solved, 55 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/77 variables, 0/77 constraints. Problems are: Problem set: 0 solved, 55 unsolved
At refinement iteration 2 (OVERLAPS) 1/78 variables, 34/111 constraints. Problems are: Problem set: 0 solved, 55 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/78 variables, 1/112 constraints. Problems are: Problem set: 0 solved, 55 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/78 variables, 0/112 constraints. Problems are: Problem set: 0 solved, 55 unsolved
At refinement iteration 5 (OVERLAPS) 56/134 variables, 78/190 constraints. Problems are: Problem set: 0 solved, 55 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/134 variables, 55/245 constraints. Problems are: Problem set: 0 solved, 55 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/134 variables, 0/245 constraints. Problems are: Problem set: 0 solved, 55 unsolved
At refinement iteration 8 (OVERLAPS) 0/134 variables, 0/245 constraints. Problems are: Problem set: 0 solved, 55 unsolved
No progress, stopping.
After SMT solving in domain Int declared 134/134 variables, and 245 constraints, problems are : Problem set: 0 solved, 55 unsolved in 935 ms.
Refiners :[Domain max(s): 78/78 constraints, Positive P Invariants (semi-flows): 34/34 constraints, State Equation: 78/78 constraints, PredecessorRefiner: 55/55 constraints, Known Traps: 0/0 constraints]
After SMT, in 1743ms problems are : Problem set: 0 solved, 55 unsolved
Search for dead transitions found 0 dead transitions in 1745ms
Finished structural reductions in LTL mode , in 1 iterations and 1891 ms. Remains : 78/78 places, 56/56 transitions.
Stuttering acceptance computed with spot in 465 ms :[(OR (NOT p0) p1), (OR (NOT p0) p1), true, p1, p1, (AND (NOT p2) p1), p1, (AND (NOT p2) p1)]
Running random walk in product with property : ShieldPPPt-PT-003A-LTLFireability-01
Product exploration explored 100000 steps with 9020 reset in 328 ms.
Product exploration explored 100000 steps with 8920 reset in 191 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 p2) (NOT p1)), (X p0), (X (X (NOT p2)))]
False Knowledge obtained : []
Knowledge based reduction with 3 factoid took 97 ms. Reduced automaton from 8 states, 13 edges and 3 AP (stutter sensitive) to 7 states, 11 edges and 2 AP (stutter sensitive).
Stuttering acceptance computed with spot in 385 ms :[p1, p1, p1, p1, (AND (NOT p2) p1), p1, (AND (NOT p2) p1)]
RANDOM walk for 394 steps (0 resets) in 15 ms. (24 steps per ms) remains 0/4 properties
Knowledge obtained : [(AND p0 (NOT p2) (NOT p1)), (X p0), (X (X (NOT p2)))]
False Knowledge obtained : [(F p1), (F (NOT (OR (NOT p1) p2))), (F (NOT (AND (NOT p1) (NOT p2)))), (F p2)]
Knowledge based reduction with 3 factoid took 194 ms. Reduced automaton from 7 states, 11 edges and 2 AP (stutter sensitive) to 7 states, 11 edges and 2 AP (stutter sensitive).
Stuttering acceptance computed with spot in 318 ms :[p1, p1, p1, p1, (AND (NOT p2) p1), p1, (AND (NOT p2) p1)]
Stuttering acceptance computed with spot in 297 ms :[p1, p1, p1, p1, (AND (NOT p2) p1), p1, (AND (NOT p2) p1)]
Support contains 3 out of 78 places. Attempting structural reductions.
Property had overlarge support with respect to TGBA, discarding it for now.
Starting structural reductions in LTL mode, iteration 0 : 78/78 places, 56/56 transitions.
Applied a total of 0 rules in 5 ms. Remains 78 /78 variables (removed 0) and now considering 56/56 (removed 0) transitions.
[2024-05-29 17:11:36] [INFO ] Invariant cache hit.
[2024-05-29 17:11:36] [INFO ] Implicit Places using invariants in 65 ms returned []
[2024-05-29 17:11:36] [INFO ] Invariant cache hit.
[2024-05-29 17:11:36] [INFO ] Implicit Places using invariants and state equation in 68 ms returned []
Implicit Place search using SMT with State Equation took 136 ms to find 0 implicit places.
Running 55 sub problems to find dead transitions.
[2024-05-29 17:11:36] [INFO ] Invariant cache hit.
At refinement iteration 0 (INCLUDED_ONLY) 0/77 variables, 77/77 constraints. Problems are: Problem set: 0 solved, 55 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/77 variables, 0/77 constraints. Problems are: Problem set: 0 solved, 55 unsolved
At refinement iteration 2 (OVERLAPS) 1/78 variables, 34/111 constraints. Problems are: Problem set: 0 solved, 55 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/78 variables, 1/112 constraints. Problems are: Problem set: 0 solved, 55 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/78 variables, 0/112 constraints. Problems are: Problem set: 0 solved, 55 unsolved
At refinement iteration 5 (OVERLAPS) 56/134 variables, 78/190 constraints. Problems are: Problem set: 0 solved, 55 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/134 variables, 0/190 constraints. Problems are: Problem set: 0 solved, 55 unsolved
At refinement iteration 7 (OVERLAPS) 0/134 variables, 0/190 constraints. Problems are: Problem set: 0 solved, 55 unsolved
No progress, stopping.
After SMT solving in domain Real declared 134/134 variables, and 190 constraints, problems are : Problem set: 0 solved, 55 unsolved in 758 ms.
Refiners :[Domain max(s): 78/78 constraints, Positive P Invariants (semi-flows): 34/34 constraints, State Equation: 78/78 constraints, PredecessorRefiner: 55/55 constraints, Known Traps: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 55 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/77 variables, 77/77 constraints. Problems are: Problem set: 0 solved, 55 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/77 variables, 0/77 constraints. Problems are: Problem set: 0 solved, 55 unsolved
At refinement iteration 2 (OVERLAPS) 1/78 variables, 34/111 constraints. Problems are: Problem set: 0 solved, 55 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/78 variables, 1/112 constraints. Problems are: Problem set: 0 solved, 55 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/78 variables, 0/112 constraints. Problems are: Problem set: 0 solved, 55 unsolved
At refinement iteration 5 (OVERLAPS) 56/134 variables, 78/190 constraints. Problems are: Problem set: 0 solved, 55 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/134 variables, 55/245 constraints. Problems are: Problem set: 0 solved, 55 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/134 variables, 0/245 constraints. Problems are: Problem set: 0 solved, 55 unsolved
At refinement iteration 8 (OVERLAPS) 0/134 variables, 0/245 constraints. Problems are: Problem set: 0 solved, 55 unsolved
No progress, stopping.
After SMT solving in domain Int declared 134/134 variables, and 245 constraints, problems are : Problem set: 0 solved, 55 unsolved in 977 ms.
Refiners :[Domain max(s): 78/78 constraints, Positive P Invariants (semi-flows): 34/34 constraints, State Equation: 78/78 constraints, PredecessorRefiner: 55/55 constraints, Known Traps: 0/0 constraints]
After SMT, in 1746ms problems are : Problem set: 0 solved, 55 unsolved
Search for dead transitions found 0 dead transitions in 1747ms
Finished structural reductions in LTL mode , in 1 iterations and 1888 ms. Remains : 78/78 places, 56/56 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 p2) (NOT p1))]
False Knowledge obtained : []
Knowledge based reduction with 1 factoid took 105 ms. Reduced automaton from 7 states, 11 edges and 2 AP (stutter sensitive) to 7 states, 11 edges and 2 AP (stutter sensitive).
Stuttering acceptance computed with spot in 299 ms :[p1, p1, p1, p1, (AND (NOT p2) p1), p1, (AND (NOT p2) p1)]
RANDOM walk for 320 steps (0 resets) in 8 ms. (35 steps per ms) remains 0/4 properties
Knowledge obtained : [(AND (NOT p2) (NOT p1))]
False Knowledge obtained : [(F p1), (F (NOT (OR (NOT p1) p2))), (F (NOT (AND (NOT p1) (NOT p2)))), (F p2)]
Knowledge based reduction with 1 factoid took 142 ms. Reduced automaton from 7 states, 11 edges and 2 AP (stutter sensitive) to 7 states, 11 edges and 2 AP (stutter sensitive).
Stuttering acceptance computed with spot in 283 ms :[p1, p1, p1, p1, (AND (NOT p2) p1), p1, (AND (NOT p2) p1)]
Stuttering acceptance computed with spot in 262 ms :[p1, p1, p1, p1, (AND (NOT p2) p1), p1, (AND (NOT p2) p1)]
Stuttering acceptance computed with spot in 311 ms :[p1, p1, p1, p1, (AND (NOT p2) p1), p1, (AND (NOT p2) p1)]
Product exploration explored 100000 steps with 8836 reset in 130 ms.
Product exploration explored 100000 steps with 9050 reset in 179 ms.
Applying partial POR strategy [false, false, false, false, true, false, true]
Stuttering acceptance computed with spot in 392 ms :[p1, p1, p1, p1, (AND (NOT p2) p1), p1, (AND (NOT p2) p1)]
Support contains 3 out of 78 places. Attempting structural reductions.
Starting structural reductions in SI_LTL mode, iteration 0 : 78/78 places, 56/56 transitions.
Performed 2 Post agglomeration using F-continuation condition.Transition count delta: 0
Deduced a syphon composed of 2 places in 1 ms
Iterating global reduction 0 with 2 rules applied. Total rules applied 2 place count 78 transition count 56
Deduced a syphon composed of 2 places in 0 ms
Applied a total of 2 rules in 19 ms. Remains 78 /78 variables (removed 0) and now considering 56/56 (removed 0) transitions.
[2024-05-29 17:11:40] [INFO ] Redundant transitions in 1 ms returned []
Running 55 sub problems to find dead transitions.
// Phase 1: matrix 56 rows 78 cols
[2024-05-29 17:11:40] [INFO ] Computed 34 invariants in 2 ms
[2024-05-29 17:11:40] [INFO ] State equation strengthened by 2 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/77 variables, 77/77 constraints. Problems are: Problem set: 0 solved, 55 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/77 variables, 0/77 constraints. Problems are: Problem set: 0 solved, 55 unsolved
At refinement iteration 2 (OVERLAPS) 1/78 variables, 34/111 constraints. Problems are: Problem set: 0 solved, 55 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/78 variables, 1/112 constraints. Problems are: Problem set: 0 solved, 55 unsolved
[2024-05-29 17:11:41] [INFO ] Deduced a trap composed of 3 places in 35 ms of which 7 ms to minimize.
Problem TDEAD19 is UNSAT
[2024-05-29 17:11:41] [INFO ] Deduced a trap composed of 2 places in 29 ms of which 1 ms to minimize.
Problem TDEAD20 is UNSAT
At refinement iteration 4 (INCLUDED_ONLY) 0/78 variables, 2/114 constraints. Problems are: Problem set: 2 solved, 53 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/78 variables, 0/114 constraints. Problems are: Problem set: 2 solved, 53 unsolved
At refinement iteration 6 (OVERLAPS) 56/134 variables, 78/192 constraints. Problems are: Problem set: 2 solved, 53 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/134 variables, 2/194 constraints. Problems are: Problem set: 2 solved, 53 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/134 variables, 0/194 constraints. Problems are: Problem set: 2 solved, 53 unsolved
At refinement iteration 9 (OVERLAPS) 0/134 variables, 0/194 constraints. Problems are: Problem set: 2 solved, 53 unsolved
No progress, stopping.
After SMT solving in domain Real declared 134/134 variables, and 194 constraints, problems are : Problem set: 2 solved, 53 unsolved in 1671 ms.
Refiners :[Domain max(s): 78/78 constraints, Positive P Invariants (semi-flows): 34/34 constraints, State Equation: 78/78 constraints, ReadFeed: 2/2 constraints, PredecessorRefiner: 55/55 constraints, Known Traps: 2/2 constraints]
Escalating to Integer solving :Problem set: 2 solved, 53 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/75 variables, 75/75 constraints. Problems are: Problem set: 2 solved, 53 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/75 variables, 0/75 constraints. Problems are: Problem set: 2 solved, 53 unsolved
At refinement iteration 2 (OVERLAPS) 3/78 variables, 34/109 constraints. Problems are: Problem set: 2 solved, 53 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/78 variables, 3/112 constraints. Problems are: Problem set: 2 solved, 53 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/78 variables, 2/114 constraints. Problems are: Problem set: 2 solved, 53 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/78 variables, 0/114 constraints. Problems are: Problem set: 2 solved, 53 unsolved
At refinement iteration 6 (OVERLAPS) 56/134 variables, 78/192 constraints. Problems are: Problem set: 2 solved, 53 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/134 variables, 2/194 constraints. Problems are: Problem set: 2 solved, 53 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/134 variables, 53/247 constraints. Problems are: Problem set: 2 solved, 53 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/134 variables, 0/247 constraints. Problems are: Problem set: 2 solved, 53 unsolved
At refinement iteration 10 (OVERLAPS) 0/134 variables, 0/247 constraints. Problems are: Problem set: 2 solved, 53 unsolved
No progress, stopping.
After SMT solving in domain Int declared 134/134 variables, and 247 constraints, problems are : Problem set: 2 solved, 53 unsolved in 1272 ms.
Refiners :[Domain max(s): 78/78 constraints, Positive P Invariants (semi-flows): 34/34 constraints, State Equation: 78/78 constraints, ReadFeed: 2/2 constraints, PredecessorRefiner: 53/55 constraints, Known Traps: 2/2 constraints]
After SMT, in 2979ms problems are : Problem set: 2 solved, 53 unsolved
Search for dead transitions found 2 dead transitions in 2979ms
Found 2 dead transitions using SMT.
Drop transitions (Dead Transitions using SMT only with invariants) removed 2 transitions
Dead transitions reduction (with SMT) removed 2 transitions
Starting structural reductions in SI_LTL mode, iteration 1 : 78/78 places, 54/56 transitions.
Graph (complete) has 185 edges and 78 vertex of which 76 are kept as prefixes of interest. Removing 2 places using SCC suffix rule.2 ms
Discarding 2 places :
Also discarding 0 output transitions
Applied a total of 1 rules in 9 ms. Remains 76 /78 variables (removed 2) and now considering 54/54 (removed 0) transitions.
Starting structural reductions in SI_LTL mode, iteration 2 : 76/78 places, 54/56 transitions.
Finished structural reductions in SI_LTL mode , in 2 iterations and 3017 ms. Remains : 76/78 places, 54/56 transitions.
Built C files in :
/tmp/ltsmin13415158710551124756
[2024-05-29 17:11:43] [INFO ] Built C files in 8ms conformant to PINS (ltsmin variant)in folder :/tmp/ltsmin13415158710551124756
Running compilation step : cd /tmp/ltsmin13415158710551124756;'/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.ltsmin.binaries_1.0.0.202405141337/bin/limit_time.pl' '3' 'gcc' '-c' '-I/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.ltsmin.binaries_1.0.0.202405141337/bin/include/' '-I.' '-std=c99' '-fPIC' '-O0' 'model.c'
Compilation finished in 298 ms.
Running link step : cd /tmp/ltsmin13415158710551124756;'gcc' '-shared' '-o' 'gal.so' 'model.o'
Link finished in 39 ms.
Running LTSmin : cd /tmp/ltsmin13415158710551124756;'/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.ltsmin.binaries_1.0.0.202405141337/bin/pins2lts-mc-linux64' './gal.so' '--threads=8' '--when' '--hoa' '/tmp/stateBased864994252604471512.hoa' '--buchi-type=spotba'
LTSmin run took 1139 ms.
FORMULA ShieldPPPt-PT-003A-LTLFireability-01 TRUE TECHNIQUES EXPLICIT LTSMIN SAT_SMT
Treatment of property ShieldPPPt-PT-003A-LTLFireability-01 finished in 13048 ms.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202405141337/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!(X(G((F(p1)&&p0))))'
Support contains 5 out of 78 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 78/78 places, 56/56 transitions.
Applied a total of 0 rules in 7 ms. Remains 78 /78 variables (removed 0) and now considering 56/56 (removed 0) transitions.
// Phase 1: matrix 56 rows 78 cols
[2024-05-29 17:11:45] [INFO ] Computed 34 invariants in 5 ms
[2024-05-29 17:11:45] [INFO ] Implicit Places using invariants in 84 ms returned []
[2024-05-29 17:11:45] [INFO ] Invariant cache hit.
[2024-05-29 17:11:45] [INFO ] Implicit Places using invariants and state equation in 82 ms returned []
Implicit Place search using SMT with State Equation took 166 ms to find 0 implicit places.
Running 55 sub problems to find dead transitions.
[2024-05-29 17:11:45] [INFO ] Invariant cache hit.
At refinement iteration 0 (INCLUDED_ONLY) 0/77 variables, 77/77 constraints. Problems are: Problem set: 0 solved, 55 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/77 variables, 0/77 constraints. Problems are: Problem set: 0 solved, 55 unsolved
At refinement iteration 2 (OVERLAPS) 1/78 variables, 34/111 constraints. Problems are: Problem set: 0 solved, 55 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/78 variables, 1/112 constraints. Problems are: Problem set: 0 solved, 55 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/78 variables, 0/112 constraints. Problems are: Problem set: 0 solved, 55 unsolved
At refinement iteration 5 (OVERLAPS) 56/134 variables, 78/190 constraints. Problems are: Problem set: 0 solved, 55 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/134 variables, 0/190 constraints. Problems are: Problem set: 0 solved, 55 unsolved
At refinement iteration 7 (OVERLAPS) 0/134 variables, 0/190 constraints. Problems are: Problem set: 0 solved, 55 unsolved
No progress, stopping.
After SMT solving in domain Real declared 134/134 variables, and 190 constraints, problems are : Problem set: 0 solved, 55 unsolved in 739 ms.
Refiners :[Domain max(s): 78/78 constraints, Positive P Invariants (semi-flows): 34/34 constraints, State Equation: 78/78 constraints, PredecessorRefiner: 55/55 constraints, Known Traps: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 55 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/77 variables, 77/77 constraints. Problems are: Problem set: 0 solved, 55 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/77 variables, 0/77 constraints. Problems are: Problem set: 0 solved, 55 unsolved
At refinement iteration 2 (OVERLAPS) 1/78 variables, 34/111 constraints. Problems are: Problem set: 0 solved, 55 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/78 variables, 1/112 constraints. Problems are: Problem set: 0 solved, 55 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/78 variables, 0/112 constraints. Problems are: Problem set: 0 solved, 55 unsolved
At refinement iteration 5 (OVERLAPS) 56/134 variables, 78/190 constraints. Problems are: Problem set: 0 solved, 55 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/134 variables, 55/245 constraints. Problems are: Problem set: 0 solved, 55 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/134 variables, 0/245 constraints. Problems are: Problem set: 0 solved, 55 unsolved
At refinement iteration 8 (OVERLAPS) 0/134 variables, 0/245 constraints. Problems are: Problem set: 0 solved, 55 unsolved
No progress, stopping.
After SMT solving in domain Int declared 134/134 variables, and 245 constraints, problems are : Problem set: 0 solved, 55 unsolved in 964 ms.
Refiners :[Domain max(s): 78/78 constraints, Positive P Invariants (semi-flows): 34/34 constraints, State Equation: 78/78 constraints, PredecessorRefiner: 55/55 constraints, Known Traps: 0/0 constraints]
After SMT, in 1717ms problems are : Problem set: 0 solved, 55 unsolved
Search for dead transitions found 0 dead transitions in 1717ms
Finished structural reductions in LTL mode , in 1 iterations and 1891 ms. Remains : 78/78 places, 56/56 transitions.
Stuttering acceptance computed with spot in 147 ms :[(OR (NOT p0) (NOT p1)), (OR (NOT p0) (NOT p1)), true, (NOT p1)]
Running random walk in product with property : ShieldPPPt-PT-003A-LTLFireability-02
Entered a terminal (fully accepting) state of product in 1 steps with 0 reset in 1 ms.
FORMULA ShieldPPPt-PT-003A-LTLFireability-02 FALSE TECHNIQUES STUTTER_TEST
Treatment of property ShieldPPPt-PT-003A-LTLFireability-02 finished in 2056 ms.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202405141337/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!(X((G(!p0)||(!p0&&F(!p1)))))'
Support contains 4 out of 78 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 78/78 places, 56/56 transitions.
Applied a total of 0 rules in 3 ms. Remains 78 /78 variables (removed 0) and now considering 56/56 (removed 0) transitions.
[2024-05-29 17:11:47] [INFO ] Invariant cache hit.
[2024-05-29 17:11:47] [INFO ] Implicit Places using invariants in 56 ms returned []
[2024-05-29 17:11:47] [INFO ] Invariant cache hit.
[2024-05-29 17:11:47] [INFO ] Implicit Places using invariants and state equation in 75 ms returned []
Implicit Place search using SMT with State Equation took 134 ms to find 0 implicit places.
Running 55 sub problems to find dead transitions.
[2024-05-29 17:11:47] [INFO ] Invariant cache hit.
At refinement iteration 0 (INCLUDED_ONLY) 0/77 variables, 77/77 constraints. Problems are: Problem set: 0 solved, 55 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/77 variables, 0/77 constraints. Problems are: Problem set: 0 solved, 55 unsolved
At refinement iteration 2 (OVERLAPS) 1/78 variables, 34/111 constraints. Problems are: Problem set: 0 solved, 55 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/78 variables, 1/112 constraints. Problems are: Problem set: 0 solved, 55 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/78 variables, 0/112 constraints. Problems are: Problem set: 0 solved, 55 unsolved
At refinement iteration 5 (OVERLAPS) 56/134 variables, 78/190 constraints. Problems are: Problem set: 0 solved, 55 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/134 variables, 0/190 constraints. Problems are: Problem set: 0 solved, 55 unsolved
At refinement iteration 7 (OVERLAPS) 0/134 variables, 0/190 constraints. Problems are: Problem set: 0 solved, 55 unsolved
No progress, stopping.
After SMT solving in domain Real declared 134/134 variables, and 190 constraints, problems are : Problem set: 0 solved, 55 unsolved in 741 ms.
Refiners :[Domain max(s): 78/78 constraints, Positive P Invariants (semi-flows): 34/34 constraints, State Equation: 78/78 constraints, PredecessorRefiner: 55/55 constraints, Known Traps: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 55 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/77 variables, 77/77 constraints. Problems are: Problem set: 0 solved, 55 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/77 variables, 0/77 constraints. Problems are: Problem set: 0 solved, 55 unsolved
At refinement iteration 2 (OVERLAPS) 1/78 variables, 34/111 constraints. Problems are: Problem set: 0 solved, 55 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/78 variables, 1/112 constraints. Problems are: Problem set: 0 solved, 55 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/78 variables, 0/112 constraints. Problems are: Problem set: 0 solved, 55 unsolved
At refinement iteration 5 (OVERLAPS) 56/134 variables, 78/190 constraints. Problems are: Problem set: 0 solved, 55 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/134 variables, 55/245 constraints. Problems are: Problem set: 0 solved, 55 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/134 variables, 0/245 constraints. Problems are: Problem set: 0 solved, 55 unsolved
At refinement iteration 8 (OVERLAPS) 0/134 variables, 0/245 constraints. Problems are: Problem set: 0 solved, 55 unsolved
No progress, stopping.
After SMT solving in domain Int declared 134/134 variables, and 245 constraints, problems are : Problem set: 0 solved, 55 unsolved in 965 ms.
Refiners :[Domain max(s): 78/78 constraints, Positive P Invariants (semi-flows): 34/34 constraints, State Equation: 78/78 constraints, PredecessorRefiner: 55/55 constraints, Known Traps: 0/0 constraints]
After SMT, in 1719ms problems are : Problem set: 0 solved, 55 unsolved
Search for dead transitions found 0 dead transitions in 1720ms
Finished structural reductions in LTL mode , in 1 iterations and 1858 ms. Remains : 78/78 places, 56/56 transitions.
Stuttering acceptance computed with spot in 161 ms :[true, p1, p0, p0, (AND p1 p0)]
Running random walk in product with property : ShieldPPPt-PT-003A-LTLFireability-03
Product exploration explored 100000 steps with 50000 reset in 148 ms.
Product exploration explored 100000 steps with 50000 reset in 166 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 (NOT (AND (NOT p0) p1))), (X (NOT p0)), (X (NOT p1)), (X (X (NOT (AND (NOT p0) p1)))), (X (X (NOT (AND p0 p1)))), (X (X p0)), (X (X (NOT p1)))]
False Knowledge obtained : []
Property proved to be true thanks to knowledge (Minato strategy)
Knowledge based reduction with 8 factoid took 17 ms. Reduced automaton from 5 states, 7 edges and 2 AP (stutter sensitive) to 1 states, 0 edges and 0 AP (stutter insensitive).
FORMULA ShieldPPPt-PT-003A-LTLFireability-03 TRUE TECHNIQUES KNOWLEDGE
Treatment of property ShieldPPPt-PT-003A-LTLFireability-03 finished in 2372 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)))))'
Support contains 3 out of 78 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 78/78 places, 56/56 transitions.
Applied a total of 0 rules in 4 ms. Remains 78 /78 variables (removed 0) and now considering 56/56 (removed 0) transitions.
[2024-05-29 17:11:49] [INFO ] Invariant cache hit.
[2024-05-29 17:11:49] [INFO ] Implicit Places using invariants in 51 ms returned []
[2024-05-29 17:11:49] [INFO ] Invariant cache hit.
[2024-05-29 17:11:49] [INFO ] Implicit Places using invariants and state equation in 70 ms returned []
Implicit Place search using SMT with State Equation took 123 ms to find 0 implicit places.
Running 55 sub problems to find dead transitions.
[2024-05-29 17:11:49] [INFO ] Invariant cache hit.
At refinement iteration 0 (INCLUDED_ONLY) 0/77 variables, 77/77 constraints. Problems are: Problem set: 0 solved, 55 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/77 variables, 0/77 constraints. Problems are: Problem set: 0 solved, 55 unsolved
At refinement iteration 2 (OVERLAPS) 1/78 variables, 34/111 constraints. Problems are: Problem set: 0 solved, 55 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/78 variables, 1/112 constraints. Problems are: Problem set: 0 solved, 55 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/78 variables, 0/112 constraints. Problems are: Problem set: 0 solved, 55 unsolved
At refinement iteration 5 (OVERLAPS) 56/134 variables, 78/190 constraints. Problems are: Problem set: 0 solved, 55 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/134 variables, 0/190 constraints. Problems are: Problem set: 0 solved, 55 unsolved
At refinement iteration 7 (OVERLAPS) 0/134 variables, 0/190 constraints. Problems are: Problem set: 0 solved, 55 unsolved
No progress, stopping.
After SMT solving in domain Real declared 134/134 variables, and 190 constraints, problems are : Problem set: 0 solved, 55 unsolved in 754 ms.
Refiners :[Domain max(s): 78/78 constraints, Positive P Invariants (semi-flows): 34/34 constraints, State Equation: 78/78 constraints, PredecessorRefiner: 55/55 constraints, Known Traps: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 55 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/77 variables, 77/77 constraints. Problems are: Problem set: 0 solved, 55 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/77 variables, 0/77 constraints. Problems are: Problem set: 0 solved, 55 unsolved
At refinement iteration 2 (OVERLAPS) 1/78 variables, 34/111 constraints. Problems are: Problem set: 0 solved, 55 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/78 variables, 1/112 constraints. Problems are: Problem set: 0 solved, 55 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/78 variables, 0/112 constraints. Problems are: Problem set: 0 solved, 55 unsolved
At refinement iteration 5 (OVERLAPS) 56/134 variables, 78/190 constraints. Problems are: Problem set: 0 solved, 55 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/134 variables, 55/245 constraints. Problems are: Problem set: 0 solved, 55 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/134 variables, 0/245 constraints. Problems are: Problem set: 0 solved, 55 unsolved
At refinement iteration 8 (OVERLAPS) 0/134 variables, 0/245 constraints. Problems are: Problem set: 0 solved, 55 unsolved
No progress, stopping.
After SMT solving in domain Int declared 134/134 variables, and 245 constraints, problems are : Problem set: 0 solved, 55 unsolved in 974 ms.
Refiners :[Domain max(s): 78/78 constraints, Positive P Invariants (semi-flows): 34/34 constraints, State Equation: 78/78 constraints, PredecessorRefiner: 55/55 constraints, Known Traps: 0/0 constraints]
After SMT, in 1736ms problems are : Problem set: 0 solved, 55 unsolved
Search for dead transitions found 0 dead transitions in 1737ms
Finished structural reductions in LTL mode , in 1 iterations and 1864 ms. Remains : 78/78 places, 56/56 transitions.
Stuttering acceptance computed with spot in 134 ms :[(OR (NOT p0) (NOT p1)), (OR (NOT p0) (NOT p1)), (NOT p1)]
Running random walk in product with property : ShieldPPPt-PT-003A-LTLFireability-04
Product exploration explored 100000 steps with 5584 reset in 157 ms.
Stack based approach found an accepted trace after 28 steps with 1 reset with depth 7 and stack size 7 in 1 ms.
FORMULA ShieldPPPt-PT-003A-LTLFireability-04 FALSE TECHNIQUES STACK_TEST
Treatment of property ShieldPPPt-PT-003A-LTLFireability-04 finished in 2172 ms.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202405141337/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!((F(p0)||(p1 U G(((p2 U p0) U p3)))))'
Support contains 5 out of 78 places. Attempting structural reductions.
Property had overlarge support with respect to TGBA, discarding it for now.
Starting structural reductions in SI_LTL mode, iteration 0 : 78/78 places, 56/56 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 76 transition count 54
Applied a total of 2 rules in 13 ms. Remains 76 /78 variables (removed 2) and now considering 54/56 (removed 2) transitions.
// Phase 1: matrix 54 rows 76 cols
[2024-05-29 17:11:51] [INFO ] Computed 34 invariants in 1 ms
[2024-05-29 17:11:51] [INFO ] Implicit Places using invariants in 54 ms returned []
[2024-05-29 17:11:51] [INFO ] Invariant cache hit.
[2024-05-29 17:11:51] [INFO ] Implicit Places using invariants and state equation in 73 ms returned []
Implicit Place search using SMT with State Equation took 129 ms to find 0 implicit places.
[2024-05-29 17:11:51] [INFO ] Redundant transitions in 0 ms returned []
Running 52 sub problems to find dead transitions.
[2024-05-29 17:11:51] [INFO ] Invariant cache hit.
At refinement iteration 0 (INCLUDED_ONLY) 0/74 variables, 74/74 constraints. Problems are: Problem set: 0 solved, 52 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/74 variables, 32/106 constraints. Problems are: Problem set: 0 solved, 52 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/74 variables, 0/106 constraints. Problems are: Problem set: 0 solved, 52 unsolved
At refinement iteration 3 (OVERLAPS) 2/76 variables, 2/108 constraints. Problems are: Problem set: 0 solved, 52 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/76 variables, 2/110 constraints. Problems are: Problem set: 0 solved, 52 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/76 variables, 0/110 constraints. Problems are: Problem set: 0 solved, 52 unsolved
At refinement iteration 6 (OVERLAPS) 54/130 variables, 76/186 constraints. Problems are: Problem set: 0 solved, 52 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/130 variables, 0/186 constraints. Problems are: Problem set: 0 solved, 52 unsolved
At refinement iteration 8 (OVERLAPS) 0/130 variables, 0/186 constraints. Problems are: Problem set: 0 solved, 52 unsolved
No progress, stopping.
After SMT solving in domain Real declared 130/130 variables, and 186 constraints, problems are : Problem set: 0 solved, 52 unsolved in 670 ms.
Refiners :[Domain max(s): 76/76 constraints, Positive P Invariants (semi-flows): 34/34 constraints, State Equation: 76/76 constraints, PredecessorRefiner: 52/52 constraints, Known Traps: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 52 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/74 variables, 74/74 constraints. Problems are: Problem set: 0 solved, 52 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/74 variables, 32/106 constraints. Problems are: Problem set: 0 solved, 52 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/74 variables, 0/106 constraints. Problems are: Problem set: 0 solved, 52 unsolved
At refinement iteration 3 (OVERLAPS) 2/76 variables, 2/108 constraints. Problems are: Problem set: 0 solved, 52 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/76 variables, 2/110 constraints. Problems are: Problem set: 0 solved, 52 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/76 variables, 0/110 constraints. Problems are: Problem set: 0 solved, 52 unsolved
At refinement iteration 6 (OVERLAPS) 54/130 variables, 76/186 constraints. Problems are: Problem set: 0 solved, 52 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/130 variables, 52/238 constraints. Problems are: Problem set: 0 solved, 52 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/130 variables, 0/238 constraints. Problems are: Problem set: 0 solved, 52 unsolved
At refinement iteration 9 (OVERLAPS) 0/130 variables, 0/238 constraints. Problems are: Problem set: 0 solved, 52 unsolved
No progress, stopping.
After SMT solving in domain Int declared 130/130 variables, and 238 constraints, problems are : Problem set: 0 solved, 52 unsolved in 729 ms.
Refiners :[Domain max(s): 76/76 constraints, Positive P Invariants (semi-flows): 34/34 constraints, State Equation: 76/76 constraints, PredecessorRefiner: 52/52 constraints, Known Traps: 0/0 constraints]
After SMT, in 1406ms problems are : Problem set: 0 solved, 52 unsolved
Search for dead transitions found 0 dead transitions in 1407ms
Starting structural reductions in SI_LTL mode, iteration 1 : 76/78 places, 54/56 transitions.
Finished structural reductions in SI_LTL mode , in 1 iterations and 1554 ms. Remains : 76/78 places, 54/56 transitions.
Stuttering acceptance computed with spot in 109 ms :[(AND (NOT p0) (NOT p3)), (NOT p0), (AND (NOT p0) (NOT p3))]
Running random walk in product with property : ShieldPPPt-PT-003A-LTLFireability-05
Product exploration explored 100000 steps with 2369 reset in 142 ms.
Stack based approach found an accepted trace after 10 steps with 0 reset with depth 11 and stack size 11 in 0 ms.
FORMULA ShieldPPPt-PT-003A-LTLFireability-05 FALSE TECHNIQUES STACK_TEST
Treatment of property ShieldPPPt-PT-003A-LTLFireability-05 finished in 1830 ms.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202405141337/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!(X((G((!p0||X(!p1))) U p2)))'
Support contains 5 out of 78 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 78/78 places, 56/56 transitions.
Applied a total of 0 rules in 5 ms. Remains 78 /78 variables (removed 0) and now considering 56/56 (removed 0) transitions.
// Phase 1: matrix 56 rows 78 cols
[2024-05-29 17:11:53] [INFO ] Computed 34 invariants in 2 ms
[2024-05-29 17:11:53] [INFO ] Implicit Places using invariants in 58 ms returned []
[2024-05-29 17:11:53] [INFO ] Invariant cache hit.
[2024-05-29 17:11:53] [INFO ] Implicit Places using invariants and state equation in 68 ms returned []
Implicit Place search using SMT with State Equation took 127 ms to find 0 implicit places.
Running 55 sub problems to find dead transitions.
[2024-05-29 17:11:53] [INFO ] Invariant cache hit.
At refinement iteration 0 (INCLUDED_ONLY) 0/77 variables, 77/77 constraints. Problems are: Problem set: 0 solved, 55 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/77 variables, 0/77 constraints. Problems are: Problem set: 0 solved, 55 unsolved
At refinement iteration 2 (OVERLAPS) 1/78 variables, 34/111 constraints. Problems are: Problem set: 0 solved, 55 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/78 variables, 1/112 constraints. Problems are: Problem set: 0 solved, 55 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/78 variables, 0/112 constraints. Problems are: Problem set: 0 solved, 55 unsolved
At refinement iteration 5 (OVERLAPS) 56/134 variables, 78/190 constraints. Problems are: Problem set: 0 solved, 55 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/134 variables, 0/190 constraints. Problems are: Problem set: 0 solved, 55 unsolved
At refinement iteration 7 (OVERLAPS) 0/134 variables, 0/190 constraints. Problems are: Problem set: 0 solved, 55 unsolved
No progress, stopping.
After SMT solving in domain Real declared 134/134 variables, and 190 constraints, problems are : Problem set: 0 solved, 55 unsolved in 748 ms.
Refiners :[Domain max(s): 78/78 constraints, Positive P Invariants (semi-flows): 34/34 constraints, State Equation: 78/78 constraints, PredecessorRefiner: 55/55 constraints, Known Traps: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 55 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/77 variables, 77/77 constraints. Problems are: Problem set: 0 solved, 55 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/77 variables, 0/77 constraints. Problems are: Problem set: 0 solved, 55 unsolved
At refinement iteration 2 (OVERLAPS) 1/78 variables, 34/111 constraints. Problems are: Problem set: 0 solved, 55 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/78 variables, 1/112 constraints. Problems are: Problem set: 0 solved, 55 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/78 variables, 0/112 constraints. Problems are: Problem set: 0 solved, 55 unsolved
At refinement iteration 5 (OVERLAPS) 56/134 variables, 78/190 constraints. Problems are: Problem set: 0 solved, 55 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/134 variables, 55/245 constraints. Problems are: Problem set: 0 solved, 55 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/134 variables, 0/245 constraints. Problems are: Problem set: 0 solved, 55 unsolved
At refinement iteration 8 (OVERLAPS) 0/134 variables, 0/245 constraints. Problems are: Problem set: 0 solved, 55 unsolved
No progress, stopping.
After SMT solving in domain Int declared 134/134 variables, and 245 constraints, problems are : Problem set: 0 solved, 55 unsolved in 969 ms.
Refiners :[Domain max(s): 78/78 constraints, Positive P Invariants (semi-flows): 34/34 constraints, State Equation: 78/78 constraints, PredecessorRefiner: 55/55 constraints, Known Traps: 0/0 constraints]
After SMT, in 1728ms problems are : Problem set: 0 solved, 55 unsolved
Search for dead transitions found 0 dead transitions in 1728ms
Finished structural reductions in LTL mode , in 1 iterations and 1860 ms. Remains : 78/78 places, 56/56 transitions.
Stuttering acceptance computed with spot in 189 ms :[(NOT p2), (NOT p2), p1, (AND p0 p1), true]
Running random walk in product with property : ShieldPPPt-PT-003A-LTLFireability-06
Entered a terminal (fully accepting) state of product in 2865 steps with 17 reset in 9 ms.
FORMULA ShieldPPPt-PT-003A-LTLFireability-06 FALSE TECHNIQUES STUTTER_TEST
Treatment of property ShieldPPPt-PT-003A-LTLFireability-06 finished in 2081 ms.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202405141337/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!(X(X(G(p0))))'
Support contains 1 out of 78 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 78/78 places, 56/56 transitions.
Applied a total of 0 rules in 4 ms. Remains 78 /78 variables (removed 0) and now considering 56/56 (removed 0) transitions.
[2024-05-29 17:11:55] [INFO ] Invariant cache hit.
[2024-05-29 17:11:55] [INFO ] Implicit Places using invariants in 64 ms returned []
[2024-05-29 17:11:55] [INFO ] Invariant cache hit.
[2024-05-29 17:11:55] [INFO ] Implicit Places using invariants and state equation in 70 ms returned []
Implicit Place search using SMT with State Equation took 135 ms to find 0 implicit places.
Running 55 sub problems to find dead transitions.
[2024-05-29 17:11:55] [INFO ] Invariant cache hit.
At refinement iteration 0 (INCLUDED_ONLY) 0/77 variables, 77/77 constraints. Problems are: Problem set: 0 solved, 55 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/77 variables, 0/77 constraints. Problems are: Problem set: 0 solved, 55 unsolved
At refinement iteration 2 (OVERLAPS) 1/78 variables, 34/111 constraints. Problems are: Problem set: 0 solved, 55 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/78 variables, 1/112 constraints. Problems are: Problem set: 0 solved, 55 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/78 variables, 0/112 constraints. Problems are: Problem set: 0 solved, 55 unsolved
At refinement iteration 5 (OVERLAPS) 56/134 variables, 78/190 constraints. Problems are: Problem set: 0 solved, 55 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/134 variables, 0/190 constraints. Problems are: Problem set: 0 solved, 55 unsolved
At refinement iteration 7 (OVERLAPS) 0/134 variables, 0/190 constraints. Problems are: Problem set: 0 solved, 55 unsolved
No progress, stopping.
After SMT solving in domain Real declared 134/134 variables, and 190 constraints, problems are : Problem set: 0 solved, 55 unsolved in 772 ms.
Refiners :[Domain max(s): 78/78 constraints, Positive P Invariants (semi-flows): 34/34 constraints, State Equation: 78/78 constraints, PredecessorRefiner: 55/55 constraints, Known Traps: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 55 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/77 variables, 77/77 constraints. Problems are: Problem set: 0 solved, 55 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/77 variables, 0/77 constraints. Problems are: Problem set: 0 solved, 55 unsolved
At refinement iteration 2 (OVERLAPS) 1/78 variables, 34/111 constraints. Problems are: Problem set: 0 solved, 55 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/78 variables, 1/112 constraints. Problems are: Problem set: 0 solved, 55 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/78 variables, 0/112 constraints. Problems are: Problem set: 0 solved, 55 unsolved
At refinement iteration 5 (OVERLAPS) 56/134 variables, 78/190 constraints. Problems are: Problem set: 0 solved, 55 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/134 variables, 55/245 constraints. Problems are: Problem set: 0 solved, 55 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/134 variables, 0/245 constraints. Problems are: Problem set: 0 solved, 55 unsolved
At refinement iteration 8 (OVERLAPS) 0/134 variables, 0/245 constraints. Problems are: Problem set: 0 solved, 55 unsolved
No progress, stopping.
After SMT solving in domain Int declared 134/134 variables, and 245 constraints, problems are : Problem set: 0 solved, 55 unsolved in 997 ms.
Refiners :[Domain max(s): 78/78 constraints, Positive P Invariants (semi-flows): 34/34 constraints, State Equation: 78/78 constraints, PredecessorRefiner: 55/55 constraints, Known Traps: 0/0 constraints]
After SMT, in 1780ms problems are : Problem set: 0 solved, 55 unsolved
Search for dead transitions found 0 dead transitions in 1781ms
Finished structural reductions in LTL mode , in 1 iterations and 1922 ms. Remains : 78/78 places, 56/56 transitions.
Stuttering acceptance computed with spot in 148 ms :[true, (NOT p0), (NOT p0), (NOT p0)]
Running random walk in product with property : ShieldPPPt-PT-003A-LTLFireability-07
Entered a terminal (fully accepting) state of product in 61 steps with 0 reset in 0 ms.
FORMULA ShieldPPPt-PT-003A-LTLFireability-07 FALSE TECHNIQUES STUTTER_TEST
Treatment of property ShieldPPPt-PT-003A-LTLFireability-07 finished in 2089 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&&G(p1)))))'
Support contains 4 out of 78 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 78/78 places, 56/56 transitions.
Applied a total of 0 rules in 4 ms. Remains 78 /78 variables (removed 0) and now considering 56/56 (removed 0) transitions.
[2024-05-29 17:11:57] [INFO ] Invariant cache hit.
[2024-05-29 17:11:57] [INFO ] Implicit Places using invariants in 56 ms returned []
[2024-05-29 17:11:57] [INFO ] Invariant cache hit.
[2024-05-29 17:11:57] [INFO ] Implicit Places using invariants and state equation in 66 ms returned []
Implicit Place search using SMT with State Equation took 122 ms to find 0 implicit places.
Running 55 sub problems to find dead transitions.
[2024-05-29 17:11:57] [INFO ] Invariant cache hit.
At refinement iteration 0 (INCLUDED_ONLY) 0/77 variables, 77/77 constraints. Problems are: Problem set: 0 solved, 55 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/77 variables, 0/77 constraints. Problems are: Problem set: 0 solved, 55 unsolved
At refinement iteration 2 (OVERLAPS) 1/78 variables, 34/111 constraints. Problems are: Problem set: 0 solved, 55 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/78 variables, 1/112 constraints. Problems are: Problem set: 0 solved, 55 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/78 variables, 0/112 constraints. Problems are: Problem set: 0 solved, 55 unsolved
At refinement iteration 5 (OVERLAPS) 56/134 variables, 78/190 constraints. Problems are: Problem set: 0 solved, 55 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/134 variables, 0/190 constraints. Problems are: Problem set: 0 solved, 55 unsolved
At refinement iteration 7 (OVERLAPS) 0/134 variables, 0/190 constraints. Problems are: Problem set: 0 solved, 55 unsolved
No progress, stopping.
After SMT solving in domain Real declared 134/134 variables, and 190 constraints, problems are : Problem set: 0 solved, 55 unsolved in 737 ms.
Refiners :[Domain max(s): 78/78 constraints, Positive P Invariants (semi-flows): 34/34 constraints, State Equation: 78/78 constraints, PredecessorRefiner: 55/55 constraints, Known Traps: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 55 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/77 variables, 77/77 constraints. Problems are: Problem set: 0 solved, 55 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/77 variables, 0/77 constraints. Problems are: Problem set: 0 solved, 55 unsolved
At refinement iteration 2 (OVERLAPS) 1/78 variables, 34/111 constraints. Problems are: Problem set: 0 solved, 55 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/78 variables, 1/112 constraints. Problems are: Problem set: 0 solved, 55 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/78 variables, 0/112 constraints. Problems are: Problem set: 0 solved, 55 unsolved
At refinement iteration 5 (OVERLAPS) 56/134 variables, 78/190 constraints. Problems are: Problem set: 0 solved, 55 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/134 variables, 55/245 constraints. Problems are: Problem set: 0 solved, 55 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/134 variables, 0/245 constraints. Problems are: Problem set: 0 solved, 55 unsolved
At refinement iteration 8 (OVERLAPS) 0/134 variables, 0/245 constraints. Problems are: Problem set: 0 solved, 55 unsolved
No progress, stopping.
After SMT solving in domain Int declared 134/134 variables, and 245 constraints, problems are : Problem set: 0 solved, 55 unsolved in 970 ms.
Refiners :[Domain max(s): 78/78 constraints, Positive P Invariants (semi-flows): 34/34 constraints, State Equation: 78/78 constraints, PredecessorRefiner: 55/55 constraints, Known Traps: 0/0 constraints]
After SMT, in 1715ms problems are : Problem set: 0 solved, 55 unsolved
Search for dead transitions found 0 dead transitions in 1716ms
Finished structural reductions in LTL mode , in 1 iterations and 1844 ms. Remains : 78/78 places, 56/56 transitions.
Stuttering acceptance computed with spot in 119 ms :[(OR (NOT p1) (NOT p0)), (OR (NOT p1) (NOT p0)), (NOT p1)]
Running random walk in product with property : ShieldPPPt-PT-003A-LTLFireability-08
Product exploration explored 100000 steps with 0 reset in 163 ms.
Stack based approach found an accepted trace after 212 steps with 0 reset with depth 213 and stack size 213 in 1 ms.
FORMULA ShieldPPPt-PT-003A-LTLFireability-08 FALSE TECHNIQUES STACK_TEST
Treatment of property ShieldPPPt-PT-003A-LTLFireability-08 finished in 2140 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) U G((F(!p1)||G(p2)))))'
Support contains 5 out of 78 places. Attempting structural reductions.
Starting structural reductions in SI_LTL mode, iteration 0 : 78/78 places, 56/56 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 76 transition count 54
Applied a total of 4 rules in 9 ms. Remains 76 /78 variables (removed 2) and now considering 54/56 (removed 2) transitions.
// Phase 1: matrix 54 rows 76 cols
[2024-05-29 17:11:59] [INFO ] Computed 34 invariants in 2 ms
[2024-05-29 17:11:59] [INFO ] Implicit Places using invariants in 53 ms returned [69]
Discarding 1 places :
Implicit Place search using SMT only with invariants took 55 ms to find 1 implicit places.
Starting structural reductions in SI_LTL mode, iteration 1 : 75/78 places, 54/56 transitions.
Performed 2 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 0 with 2 Pre rules applied. Total rules applied 0 place count 75 transition count 52
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 73 transition count 52
Applied a total of 4 rules in 6 ms. Remains 73 /75 variables (removed 2) and now considering 52/54 (removed 2) transitions.
// Phase 1: matrix 52 rows 73 cols
[2024-05-29 17:11:59] [INFO ] Computed 33 invariants in 1 ms
[2024-05-29 17:11:59] [INFO ] Implicit Places using invariants in 52 ms returned [56, 60]
Discarding 2 places :
Implicit Place search using SMT only with invariants took 53 ms to find 2 implicit places.
Starting structural reductions in SI_LTL mode, iteration 2 : 71/78 places, 52/56 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 69 transition count 50
Applied a total of 4 rules in 4 ms. Remains 69 /71 variables (removed 2) and now considering 50/52 (removed 2) transitions.
// Phase 1: matrix 50 rows 69 cols
[2024-05-29 17:11:59] [INFO ] Computed 31 invariants in 1 ms
[2024-05-29 17:11:59] [INFO ] Implicit Places using invariants in 47 ms returned []
[2024-05-29 17:11:59] [INFO ] Invariant cache hit.
[2024-05-29 17:12:00] [INFO ] Implicit Places using invariants and state equation in 63 ms returned []
Implicit Place search using SMT with State Equation took 111 ms to find 0 implicit places.
Starting structural reductions in SI_LTL mode, iteration 3 : 69/78 places, 50/56 transitions.
Finished structural reductions in SI_LTL mode , in 3 iterations and 238 ms. Remains : 69/78 places, 50/56 transitions.
Stuttering acceptance computed with spot in 141 ms :[(AND p1 (NOT p2)), (AND p1 (NOT p0)), (AND p1 (NOT p2)), (AND p1 (NOT p2))]
Running random walk in product with property : ShieldPPPt-PT-003A-LTLFireability-09
Product exploration explored 100000 steps with 15057 reset in 191 ms.
Stack based approach found an accepted trace after 166 steps with 27 reset with depth 6 and stack size 6 in 0 ms.
FORMULA ShieldPPPt-PT-003A-LTLFireability-09 FALSE TECHNIQUES STACK_TEST
Treatment of property ShieldPPPt-PT-003A-LTLFireability-09 finished in 591 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(!p1)) U p2) U p0))'
Support contains 5 out of 78 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 78/78 places, 56/56 transitions.
Applied a total of 0 rules in 2 ms. Remains 78 /78 variables (removed 0) and now considering 56/56 (removed 0) transitions.
// Phase 1: matrix 56 rows 78 cols
[2024-05-29 17:12:00] [INFO ] Computed 34 invariants in 3 ms
[2024-05-29 17:12:00] [INFO ] Implicit Places using invariants in 62 ms returned []
[2024-05-29 17:12:00] [INFO ] Invariant cache hit.
[2024-05-29 17:12:00] [INFO ] Implicit Places using invariants and state equation in 66 ms returned []
Implicit Place search using SMT with State Equation took 130 ms to find 0 implicit places.
Running 55 sub problems to find dead transitions.
[2024-05-29 17:12:00] [INFO ] Invariant cache hit.
At refinement iteration 0 (INCLUDED_ONLY) 0/77 variables, 77/77 constraints. Problems are: Problem set: 0 solved, 55 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/77 variables, 0/77 constraints. Problems are: Problem set: 0 solved, 55 unsolved
At refinement iteration 2 (OVERLAPS) 1/78 variables, 34/111 constraints. Problems are: Problem set: 0 solved, 55 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/78 variables, 1/112 constraints. Problems are: Problem set: 0 solved, 55 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/78 variables, 0/112 constraints. Problems are: Problem set: 0 solved, 55 unsolved
At refinement iteration 5 (OVERLAPS) 56/134 variables, 78/190 constraints. Problems are: Problem set: 0 solved, 55 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/134 variables, 0/190 constraints. Problems are: Problem set: 0 solved, 55 unsolved
At refinement iteration 7 (OVERLAPS) 0/134 variables, 0/190 constraints. Problems are: Problem set: 0 solved, 55 unsolved
No progress, stopping.
After SMT solving in domain Real declared 134/134 variables, and 190 constraints, problems are : Problem set: 0 solved, 55 unsolved in 730 ms.
Refiners :[Domain max(s): 78/78 constraints, Positive P Invariants (semi-flows): 34/34 constraints, State Equation: 78/78 constraints, PredecessorRefiner: 55/55 constraints, Known Traps: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 55 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/77 variables, 77/77 constraints. Problems are: Problem set: 0 solved, 55 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/77 variables, 0/77 constraints. Problems are: Problem set: 0 solved, 55 unsolved
At refinement iteration 2 (OVERLAPS) 1/78 variables, 34/111 constraints. Problems are: Problem set: 0 solved, 55 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/78 variables, 1/112 constraints. Problems are: Problem set: 0 solved, 55 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/78 variables, 0/112 constraints. Problems are: Problem set: 0 solved, 55 unsolved
At refinement iteration 5 (OVERLAPS) 56/134 variables, 78/190 constraints. Problems are: Problem set: 0 solved, 55 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/134 variables, 55/245 constraints. Problems are: Problem set: 0 solved, 55 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/134 variables, 0/245 constraints. Problems are: Problem set: 0 solved, 55 unsolved
At refinement iteration 8 (OVERLAPS) 0/134 variables, 0/245 constraints. Problems are: Problem set: 0 solved, 55 unsolved
No progress, stopping.
After SMT solving in domain Int declared 134/134 variables, and 245 constraints, problems are : Problem set: 0 solved, 55 unsolved in 953 ms.
Refiners :[Domain max(s): 78/78 constraints, Positive P Invariants (semi-flows): 34/34 constraints, State Equation: 78/78 constraints, PredecessorRefiner: 55/55 constraints, Known Traps: 0/0 constraints]
After SMT, in 1690ms problems are : Problem set: 0 solved, 55 unsolved
Search for dead transitions found 0 dead transitions in 1692ms
Finished structural reductions in LTL mode , in 1 iterations and 1824 ms. Remains : 78/78 places, 56/56 transitions.
Stuttering acceptance computed with spot in 219 ms :[(NOT p0), (NOT p0), (NOT p2), (AND p1 (NOT p0)), true, p1]
Running random walk in product with property : ShieldPPPt-PT-003A-LTLFireability-10
Entered a terminal (fully accepting) state of product in 671 steps with 36 reset in 5 ms.
FORMULA ShieldPPPt-PT-003A-LTLFireability-10 FALSE TECHNIQUES STUTTER_TEST
Treatment of property ShieldPPPt-PT-003A-LTLFireability-10 finished in 2071 ms.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202405141337/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!(X(G(p0)))'
Support contains 2 out of 78 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 78/78 places, 56/56 transitions.
Applied a total of 0 rules in 2 ms. Remains 78 /78 variables (removed 0) and now considering 56/56 (removed 0) transitions.
[2024-05-29 17:12:02] [INFO ] Invariant cache hit.
[2024-05-29 17:12:02] [INFO ] Implicit Places using invariants in 58 ms returned []
[2024-05-29 17:12:02] [INFO ] Invariant cache hit.
[2024-05-29 17:12:02] [INFO ] Implicit Places using invariants and state equation in 68 ms returned []
Implicit Place search using SMT with State Equation took 128 ms to find 0 implicit places.
Running 55 sub problems to find dead transitions.
[2024-05-29 17:12:02] [INFO ] Invariant cache hit.
At refinement iteration 0 (INCLUDED_ONLY) 0/77 variables, 77/77 constraints. Problems are: Problem set: 0 solved, 55 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/77 variables, 0/77 constraints. Problems are: Problem set: 0 solved, 55 unsolved
At refinement iteration 2 (OVERLAPS) 1/78 variables, 34/111 constraints. Problems are: Problem set: 0 solved, 55 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/78 variables, 1/112 constraints. Problems are: Problem set: 0 solved, 55 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/78 variables, 0/112 constraints. Problems are: Problem set: 0 solved, 55 unsolved
At refinement iteration 5 (OVERLAPS) 56/134 variables, 78/190 constraints. Problems are: Problem set: 0 solved, 55 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/134 variables, 0/190 constraints. Problems are: Problem set: 0 solved, 55 unsolved
At refinement iteration 7 (OVERLAPS) 0/134 variables, 0/190 constraints. Problems are: Problem set: 0 solved, 55 unsolved
No progress, stopping.
After SMT solving in domain Real declared 134/134 variables, and 190 constraints, problems are : Problem set: 0 solved, 55 unsolved in 753 ms.
Refiners :[Domain max(s): 78/78 constraints, Positive P Invariants (semi-flows): 34/34 constraints, State Equation: 78/78 constraints, PredecessorRefiner: 55/55 constraints, Known Traps: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 55 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/77 variables, 77/77 constraints. Problems are: Problem set: 0 solved, 55 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/77 variables, 0/77 constraints. Problems are: Problem set: 0 solved, 55 unsolved
At refinement iteration 2 (OVERLAPS) 1/78 variables, 34/111 constraints. Problems are: Problem set: 0 solved, 55 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/78 variables, 1/112 constraints. Problems are: Problem set: 0 solved, 55 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/78 variables, 0/112 constraints. Problems are: Problem set: 0 solved, 55 unsolved
At refinement iteration 5 (OVERLAPS) 56/134 variables, 78/190 constraints. Problems are: Problem set: 0 solved, 55 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/134 variables, 55/245 constraints. Problems are: Problem set: 0 solved, 55 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/134 variables, 0/245 constraints. Problems are: Problem set: 0 solved, 55 unsolved
At refinement iteration 8 (OVERLAPS) 0/134 variables, 0/245 constraints. Problems are: Problem set: 0 solved, 55 unsolved
No progress, stopping.
After SMT solving in domain Int declared 134/134 variables, and 245 constraints, problems are : Problem set: 0 solved, 55 unsolved in 955 ms.
Refiners :[Domain max(s): 78/78 constraints, Positive P Invariants (semi-flows): 34/34 constraints, State Equation: 78/78 constraints, PredecessorRefiner: 55/55 constraints, Known Traps: 0/0 constraints]
After SMT, in 1720ms problems are : Problem set: 0 solved, 55 unsolved
Search for dead transitions found 0 dead transitions in 1720ms
Finished structural reductions in LTL mode , in 1 iterations and 1850 ms. Remains : 78/78 places, 56/56 transitions.
Stuttering acceptance computed with spot in 90 ms :[true, (NOT p0), (NOT p0)]
Running random walk in product with property : ShieldPPPt-PT-003A-LTLFireability-11
Entered a terminal (fully accepting) state of product in 1 steps with 0 reset in 0 ms.
FORMULA ShieldPPPt-PT-003A-LTLFireability-11 FALSE TECHNIQUES STUTTER_TEST
Treatment of property ShieldPPPt-PT-003A-LTLFireability-11 finished in 1956 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 78 places. Attempting structural reductions.
Starting structural reductions in SI_LTL mode, iteration 0 : 78/78 places, 56/56 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 2 places and 0 transitions.
Iterating global reduction 0 with 3 rules applied. Total rules applied 3 place count 75 transition count 54
Performed 2 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 0 with 2 Pre rules applied. Total rules applied 3 place count 75 transition count 52
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 7 place count 73 transition count 52
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 9 place count 72 transition count 51
Applied a total of 9 rules in 9 ms. Remains 72 /78 variables (removed 6) and now considering 51/56 (removed 5) transitions.
// Phase 1: matrix 51 rows 72 cols
[2024-05-29 17:12:04] [INFO ] Computed 33 invariants in 0 ms
[2024-05-29 17:12:04] [INFO ] Implicit Places using invariants in 58 ms returned [55, 59]
Discarding 2 places :
Implicit Place search using SMT only with invariants took 59 ms to find 2 implicit places.
Starting structural reductions in SI_LTL mode, iteration 1 : 70/78 places, 51/56 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 68 transition count 49
Applied a total of 4 rules in 4 ms. Remains 68 /70 variables (removed 2) and now considering 49/51 (removed 2) transitions.
// Phase 1: matrix 49 rows 68 cols
[2024-05-29 17:12:04] [INFO ] Computed 31 invariants in 1 ms
[2024-05-29 17:12:04] [INFO ] Implicit Places using invariants in 45 ms returned []
[2024-05-29 17:12:04] [INFO ] Invariant cache hit.
[2024-05-29 17:12:04] [INFO ] Implicit Places using invariants and state equation in 59 ms returned []
Implicit Place search using SMT with State Equation took 106 ms to find 0 implicit places.
Starting structural reductions in SI_LTL mode, iteration 2 : 68/78 places, 49/56 transitions.
Finished structural reductions in SI_LTL mode , in 2 iterations and 178 ms. Remains : 68/78 places, 49/56 transitions.
Stuttering acceptance computed with spot in 29 ms :[(NOT p0)]
Running random walk in product with property : ShieldPPPt-PT-003A-LTLFireability-12
Product exploration explored 100000 steps with 1380 reset in 171 ms.
Stack based approach found an accepted trace after 18 steps with 0 reset with depth 19 and stack size 19 in 0 ms.
FORMULA ShieldPPPt-PT-003A-LTLFireability-12 FALSE TECHNIQUES STACK_TEST
Treatment of property ShieldPPPt-PT-003A-LTLFireability-12 finished in 391 ms.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202405141337/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!((G(p0)||X(G(p1))))'
Support contains 3 out of 78 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 78/78 places, 56/56 transitions.
Applied a total of 0 rules in 1 ms. Remains 78 /78 variables (removed 0) and now considering 56/56 (removed 0) transitions.
// Phase 1: matrix 56 rows 78 cols
[2024-05-29 17:12:04] [INFO ] Computed 34 invariants in 0 ms
[2024-05-29 17:12:04] [INFO ] Implicit Places using invariants in 51 ms returned []
[2024-05-29 17:12:04] [INFO ] Invariant cache hit.
[2024-05-29 17:12:04] [INFO ] Implicit Places using invariants and state equation in 66 ms returned []
Implicit Place search using SMT with State Equation took 121 ms to find 0 implicit places.
Running 55 sub problems to find dead transitions.
[2024-05-29 17:12:04] [INFO ] Invariant cache hit.
At refinement iteration 0 (INCLUDED_ONLY) 0/77 variables, 77/77 constraints. Problems are: Problem set: 0 solved, 55 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/77 variables, 0/77 constraints. Problems are: Problem set: 0 solved, 55 unsolved
At refinement iteration 2 (OVERLAPS) 1/78 variables, 34/111 constraints. Problems are: Problem set: 0 solved, 55 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/78 variables, 1/112 constraints. Problems are: Problem set: 0 solved, 55 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/78 variables, 0/112 constraints. Problems are: Problem set: 0 solved, 55 unsolved
At refinement iteration 5 (OVERLAPS) 56/134 variables, 78/190 constraints. Problems are: Problem set: 0 solved, 55 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/134 variables, 0/190 constraints. Problems are: Problem set: 0 solved, 55 unsolved
At refinement iteration 7 (OVERLAPS) 0/134 variables, 0/190 constraints. Problems are: Problem set: 0 solved, 55 unsolved
No progress, stopping.
After SMT solving in domain Real declared 134/134 variables, and 190 constraints, problems are : Problem set: 0 solved, 55 unsolved in 763 ms.
Refiners :[Domain max(s): 78/78 constraints, Positive P Invariants (semi-flows): 34/34 constraints, State Equation: 78/78 constraints, PredecessorRefiner: 55/55 constraints, Known Traps: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 55 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/77 variables, 77/77 constraints. Problems are: Problem set: 0 solved, 55 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/77 variables, 0/77 constraints. Problems are: Problem set: 0 solved, 55 unsolved
At refinement iteration 2 (OVERLAPS) 1/78 variables, 34/111 constraints. Problems are: Problem set: 0 solved, 55 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/78 variables, 1/112 constraints. Problems are: Problem set: 0 solved, 55 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/78 variables, 0/112 constraints. Problems are: Problem set: 0 solved, 55 unsolved
At refinement iteration 5 (OVERLAPS) 56/134 variables, 78/190 constraints. Problems are: Problem set: 0 solved, 55 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/134 variables, 55/245 constraints. Problems are: Problem set: 0 solved, 55 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/134 variables, 0/245 constraints. Problems are: Problem set: 0 solved, 55 unsolved
At refinement iteration 8 (OVERLAPS) 0/134 variables, 0/245 constraints. Problems are: Problem set: 0 solved, 55 unsolved
No progress, stopping.
After SMT solving in domain Int declared 134/134 variables, and 245 constraints, problems are : Problem set: 0 solved, 55 unsolved in 940 ms.
Refiners :[Domain max(s): 78/78 constraints, Positive P Invariants (semi-flows): 34/34 constraints, State Equation: 78/78 constraints, PredecessorRefiner: 55/55 constraints, Known Traps: 0/0 constraints]
After SMT, in 1711ms problems are : Problem set: 0 solved, 55 unsolved
Search for dead transitions found 0 dead transitions in 1712ms
Finished structural reductions in LTL mode , in 1 iterations and 1834 ms. Remains : 78/78 places, 56/56 transitions.
Stuttering acceptance computed with spot in 134 ms :[true, (AND (NOT p0) (NOT p1)), (NOT p1), (AND (NOT p1) (NOT p0)), (NOT p0)]
Running random walk in product with property : ShieldPPPt-PT-003A-LTLFireability-13
Entered a terminal (fully accepting) state of product in 1 steps with 0 reset in 0 ms.
FORMULA ShieldPPPt-PT-003A-LTLFireability-13 FALSE TECHNIQUES STUTTER_TEST
Treatment of property ShieldPPPt-PT-003A-LTLFireability-13 finished in 1989 ms.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202405141337/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!(X(X(F((p0||X((G(p1) U (p0&&G(p1)))))))))'
Support contains 1 out of 78 places. Attempting structural reductions.
Property had overlarge support with respect to TGBA, discarding it for now.
Starting structural reductions in LTL mode, iteration 0 : 78/78 places, 56/56 transitions.
Applied a total of 0 rules in 2 ms. Remains 78 /78 variables (removed 0) and now considering 56/56 (removed 0) transitions.
[2024-05-29 17:12:06] [INFO ] Invariant cache hit.
[2024-05-29 17:12:06] [INFO ] Implicit Places using invariants in 54 ms returned []
[2024-05-29 17:12:06] [INFO ] Invariant cache hit.
[2024-05-29 17:12:06] [INFO ] Implicit Places using invariants and state equation in 67 ms returned []
Implicit Place search using SMT with State Equation took 121 ms to find 0 implicit places.
Running 55 sub problems to find dead transitions.
[2024-05-29 17:12:06] [INFO ] Invariant cache hit.
At refinement iteration 0 (INCLUDED_ONLY) 0/77 variables, 77/77 constraints. Problems are: Problem set: 0 solved, 55 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/77 variables, 0/77 constraints. Problems are: Problem set: 0 solved, 55 unsolved
At refinement iteration 2 (OVERLAPS) 1/78 variables, 34/111 constraints. Problems are: Problem set: 0 solved, 55 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/78 variables, 1/112 constraints. Problems are: Problem set: 0 solved, 55 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/78 variables, 0/112 constraints. Problems are: Problem set: 0 solved, 55 unsolved
At refinement iteration 5 (OVERLAPS) 56/134 variables, 78/190 constraints. Problems are: Problem set: 0 solved, 55 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/134 variables, 0/190 constraints. Problems are: Problem set: 0 solved, 55 unsolved
At refinement iteration 7 (OVERLAPS) 0/134 variables, 0/190 constraints. Problems are: Problem set: 0 solved, 55 unsolved
No progress, stopping.
After SMT solving in domain Real declared 134/134 variables, and 190 constraints, problems are : Problem set: 0 solved, 55 unsolved in 756 ms.
Refiners :[Domain max(s): 78/78 constraints, Positive P Invariants (semi-flows): 34/34 constraints, State Equation: 78/78 constraints, PredecessorRefiner: 55/55 constraints, Known Traps: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 55 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/77 variables, 77/77 constraints. Problems are: Problem set: 0 solved, 55 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/77 variables, 0/77 constraints. Problems are: Problem set: 0 solved, 55 unsolved
At refinement iteration 2 (OVERLAPS) 1/78 variables, 34/111 constraints. Problems are: Problem set: 0 solved, 55 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/78 variables, 1/112 constraints. Problems are: Problem set: 0 solved, 55 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/78 variables, 0/112 constraints. Problems are: Problem set: 0 solved, 55 unsolved
At refinement iteration 5 (OVERLAPS) 56/134 variables, 78/190 constraints. Problems are: Problem set: 0 solved, 55 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/134 variables, 55/245 constraints. Problems are: Problem set: 0 solved, 55 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/134 variables, 0/245 constraints. Problems are: Problem set: 0 solved, 55 unsolved
At refinement iteration 8 (OVERLAPS) 0/134 variables, 0/245 constraints. Problems are: Problem set: 0 solved, 55 unsolved
No progress, stopping.
After SMT solving in domain Int declared 134/134 variables, and 245 constraints, problems are : Problem set: 0 solved, 55 unsolved in 949 ms.
Refiners :[Domain max(s): 78/78 constraints, Positive P Invariants (semi-flows): 34/34 constraints, State Equation: 78/78 constraints, PredecessorRefiner: 55/55 constraints, Known Traps: 0/0 constraints]
After SMT, in 1713ms problems are : Problem set: 0 solved, 55 unsolved
Search for dead transitions found 0 dead transitions in 1713ms
Finished structural reductions in LTL mode , in 1 iterations and 1837 ms. Remains : 78/78 places, 56/56 transitions.
Stuttering acceptance computed with spot in 110 ms :[(NOT p0), (NOT p0), (NOT p0)]
Running random walk in product with property : ShieldPPPt-PT-003A-LTLFireability-14
Product exploration explored 100000 steps with 10488 reset in 119 ms.
Product exploration explored 100000 steps with 10460 reset in 128 ms.
Computed a total of 1 stabilizing places and 1 stable transitions
Computed a total of 1 stabilizing places and 1 stable transitions
Knowledge obtained : [(NOT p0), (X (X (NOT p0)))]
False Knowledge obtained : []
Knowledge based reduction with 2 factoid took 77 ms. Reduced automaton from 3 states, 3 edges and 1 AP (stutter sensitive) to 3 states, 3 edges and 1 AP (stutter sensitive).
Stuttering acceptance computed with spot in 104 ms :[(NOT p0), (NOT p0), (NOT p0)]
RANDOM walk for 4 steps (0 resets) in 4 ms. (0 steps per ms) remains 0/1 properties
Knowledge obtained : [(NOT p0), (X (X (NOT p0)))]
False Knowledge obtained : [(F p0)]
Knowledge based reduction with 2 factoid took 75 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 95 ms :[(NOT p0), (NOT p0), (NOT p0)]
Stuttering acceptance computed with spot in 94 ms :[(NOT p0), (NOT p0), (NOT p0)]
[2024-05-29 17:12:09] [INFO ] Invariant cache hit.
[2024-05-29 17:12:09] [INFO ] [Real]Absence check using 34 positive place invariants in 6 ms returned sat
[2024-05-29 17:12:09] [INFO ] [Real]Absence check using state equation in 32 ms returned sat
[2024-05-29 17:12:09] [INFO ] Solution in real domain found non-integer solution.
[2024-05-29 17:12:09] [INFO ] [Nat]Absence check using 34 positive place invariants in 6 ms returned sat
[2024-05-29 17:12:09] [INFO ] [Nat]Absence check using state equation in 22 ms returned sat
[2024-05-29 17:12:09] [INFO ] Computed and/alt/rep : 55/167/55 causal constraints (skipped 0 transitions) in 5 ms.
[2024-05-29 17:12:09] [INFO ] Added : 38 causal constraints over 8 iterations in 67 ms. Result :sat
Could not prove EG (NOT p0)
Support contains 1 out of 78 places. Attempting structural reductions.
Property had overlarge support with respect to TGBA, discarding it for now.
Starting structural reductions in LTL mode, iteration 0 : 78/78 places, 56/56 transitions.
Applied a total of 0 rules in 1 ms. Remains 78 /78 variables (removed 0) and now considering 56/56 (removed 0) transitions.
[2024-05-29 17:12:09] [INFO ] Invariant cache hit.
[2024-05-29 17:12:09] [INFO ] Implicit Places using invariants in 49 ms returned []
[2024-05-29 17:12:09] [INFO ] Invariant cache hit.
[2024-05-29 17:12:09] [INFO ] Implicit Places using invariants and state equation in 69 ms returned []
Implicit Place search using SMT with State Equation took 119 ms to find 0 implicit places.
Running 55 sub problems to find dead transitions.
[2024-05-29 17:12:09] [INFO ] Invariant cache hit.
At refinement iteration 0 (INCLUDED_ONLY) 0/77 variables, 77/77 constraints. Problems are: Problem set: 0 solved, 55 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/77 variables, 0/77 constraints. Problems are: Problem set: 0 solved, 55 unsolved
At refinement iteration 2 (OVERLAPS) 1/78 variables, 34/111 constraints. Problems are: Problem set: 0 solved, 55 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/78 variables, 1/112 constraints. Problems are: Problem set: 0 solved, 55 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/78 variables, 0/112 constraints. Problems are: Problem set: 0 solved, 55 unsolved
At refinement iteration 5 (OVERLAPS) 56/134 variables, 78/190 constraints. Problems are: Problem set: 0 solved, 55 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/134 variables, 0/190 constraints. Problems are: Problem set: 0 solved, 55 unsolved
At refinement iteration 7 (OVERLAPS) 0/134 variables, 0/190 constraints. Problems are: Problem set: 0 solved, 55 unsolved
No progress, stopping.
After SMT solving in domain Real declared 134/134 variables, and 190 constraints, problems are : Problem set: 0 solved, 55 unsolved in 767 ms.
Refiners :[Domain max(s): 78/78 constraints, Positive P Invariants (semi-flows): 34/34 constraints, State Equation: 78/78 constraints, PredecessorRefiner: 55/55 constraints, Known Traps: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 55 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/77 variables, 77/77 constraints. Problems are: Problem set: 0 solved, 55 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/77 variables, 0/77 constraints. Problems are: Problem set: 0 solved, 55 unsolved
At refinement iteration 2 (OVERLAPS) 1/78 variables, 34/111 constraints. Problems are: Problem set: 0 solved, 55 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/78 variables, 1/112 constraints. Problems are: Problem set: 0 solved, 55 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/78 variables, 0/112 constraints. Problems are: Problem set: 0 solved, 55 unsolved
At refinement iteration 5 (OVERLAPS) 56/134 variables, 78/190 constraints. Problems are: Problem set: 0 solved, 55 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/134 variables, 55/245 constraints. Problems are: Problem set: 0 solved, 55 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/134 variables, 0/245 constraints. Problems are: Problem set: 0 solved, 55 unsolved
At refinement iteration 8 (OVERLAPS) 0/134 variables, 0/245 constraints. Problems are: Problem set: 0 solved, 55 unsolved
No progress, stopping.
After SMT solving in domain Int declared 134/134 variables, and 245 constraints, problems are : Problem set: 0 solved, 55 unsolved in 981 ms.
Refiners :[Domain max(s): 78/78 constraints, Positive P Invariants (semi-flows): 34/34 constraints, State Equation: 78/78 constraints, PredecessorRefiner: 55/55 constraints, Known Traps: 0/0 constraints]
After SMT, in 1757ms problems are : Problem set: 0 solved, 55 unsolved
Search for dead transitions found 0 dead transitions in 1758ms
Finished structural reductions in LTL mode , in 1 iterations and 1878 ms. Remains : 78/78 places, 56/56 transitions.
Computed a total of 1 stabilizing places and 1 stable transitions
Computed a total of 1 stabilizing places and 1 stable transitions
Knowledge obtained : [(NOT p0), (X (X (NOT p0)))]
False Knowledge obtained : []
Knowledge based reduction with 2 factoid took 86 ms. Reduced automaton from 3 states, 3 edges and 1 AP (stutter sensitive) to 3 states, 3 edges and 1 AP (stutter sensitive).
Stuttering acceptance computed with spot in 120 ms :[(NOT p0), (NOT p0), (NOT p0)]
RANDOM walk for 4 steps (0 resets) in 4 ms. (0 steps per ms) remains 0/1 properties
Knowledge obtained : [(NOT p0), (X (X (NOT p0)))]
False Knowledge obtained : [(F p0)]
Knowledge based reduction with 2 factoid took 98 ms. Reduced automaton from 3 states, 3 edges and 1 AP (stutter sensitive) to 3 states, 3 edges and 1 AP (stutter sensitive).
Stuttering acceptance computed with spot in 99 ms :[(NOT p0), (NOT p0), (NOT p0)]
Stuttering acceptance computed with spot in 106 ms :[(NOT p0), (NOT p0), (NOT p0)]
[2024-05-29 17:12:12] [INFO ] Invariant cache hit.
[2024-05-29 17:12:12] [INFO ] [Real]Absence check using 34 positive place invariants in 7 ms returned sat
[2024-05-29 17:12:12] [INFO ] [Real]Absence check using state equation in 27 ms returned sat
[2024-05-29 17:12:12] [INFO ] Solution in real domain found non-integer solution.
[2024-05-29 17:12:12] [INFO ] [Nat]Absence check using 34 positive place invariants in 5 ms returned sat
[2024-05-29 17:12:12] [INFO ] [Nat]Absence check using state equation in 21 ms returned sat
[2024-05-29 17:12:12] [INFO ] Computed and/alt/rep : 55/167/55 causal constraints (skipped 0 transitions) in 4 ms.
[2024-05-29 17:12:12] [INFO ] Added : 38 causal constraints over 8 iterations in 57 ms. Result :sat
Could not prove EG (NOT p0)
Stuttering acceptance computed with spot in 125 ms :[(NOT p0), (NOT p0), (NOT p0)]
Product exploration explored 100000 steps with 10475 reset in 120 ms.
Product exploration explored 100000 steps with 10504 reset in 132 ms.
Applying partial POR strategy [true, false, false]
Stuttering acceptance computed with spot in 114 ms :[(NOT p0), (NOT p0), (NOT p0)]
Support contains 1 out of 78 places. Attempting structural reductions.
Starting structural reductions in SI_LTL mode, iteration 0 : 78/78 places, 56/56 transitions.
Performed 1 Post agglomeration using F-continuation condition.Transition count delta: 0
Deduced a syphon composed of 1 places in 0 ms
Iterating global reduction 0 with 1 rules applied. Total rules applied 1 place count 78 transition count 56
Deduced a syphon composed of 1 places in 0 ms
Applied a total of 1 rules in 15 ms. Remains 78 /78 variables (removed 0) and now considering 56/56 (removed 0) transitions.
[2024-05-29 17:12:12] [INFO ] Redundant transitions in 0 ms returned []
Running 55 sub problems to find dead transitions.
// Phase 1: matrix 56 rows 78 cols
[2024-05-29 17:12:12] [INFO ] Computed 34 invariants in 1 ms
[2024-05-29 17:12:12] [INFO ] State equation strengthened by 2 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/77 variables, 77/77 constraints. Problems are: Problem set: 0 solved, 55 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/77 variables, 0/77 constraints. Problems are: Problem set: 0 solved, 55 unsolved
At refinement iteration 2 (OVERLAPS) 1/78 variables, 34/111 constraints. Problems are: Problem set: 0 solved, 55 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/78 variables, 1/112 constraints. Problems are: Problem set: 0 solved, 55 unsolved
[2024-05-29 17:12:13] [INFO ] Deduced a trap composed of 2 places in 22 ms of which 1 ms to minimize.
Problem TDEAD22 is UNSAT
At refinement iteration 4 (INCLUDED_ONLY) 0/78 variables, 1/113 constraints. Problems are: Problem set: 1 solved, 54 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/78 variables, 0/113 constraints. Problems are: Problem set: 1 solved, 54 unsolved
At refinement iteration 6 (OVERLAPS) 56/134 variables, 78/191 constraints. Problems are: Problem set: 1 solved, 54 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/134 variables, 2/193 constraints. Problems are: Problem set: 1 solved, 54 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/134 variables, 0/193 constraints. Problems are: Problem set: 1 solved, 54 unsolved
At refinement iteration 9 (OVERLAPS) 0/134 variables, 0/193 constraints. Problems are: Problem set: 1 solved, 54 unsolved
No progress, stopping.
After SMT solving in domain Real declared 134/134 variables, and 193 constraints, problems are : Problem set: 1 solved, 54 unsolved in 1164 ms.
Refiners :[Domain max(s): 78/78 constraints, Positive P Invariants (semi-flows): 34/34 constraints, State Equation: 78/78 constraints, ReadFeed: 2/2 constraints, PredecessorRefiner: 55/55 constraints, Known Traps: 1/1 constraints]
Escalating to Integer solving :Problem set: 1 solved, 54 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/76 variables, 76/76 constraints. Problems are: Problem set: 1 solved, 54 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/76 variables, 0/76 constraints. Problems are: Problem set: 1 solved, 54 unsolved
At refinement iteration 2 (OVERLAPS) 2/78 variables, 34/110 constraints. Problems are: Problem set: 1 solved, 54 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/78 variables, 2/112 constraints. Problems are: Problem set: 1 solved, 54 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/78 variables, 1/113 constraints. Problems are: Problem set: 1 solved, 54 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/78 variables, 0/113 constraints. Problems are: Problem set: 1 solved, 54 unsolved
At refinement iteration 6 (OVERLAPS) 56/134 variables, 78/191 constraints. Problems are: Problem set: 1 solved, 54 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/134 variables, 2/193 constraints. Problems are: Problem set: 1 solved, 54 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/134 variables, 54/247 constraints. Problems are: Problem set: 1 solved, 54 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/134 variables, 0/247 constraints. Problems are: Problem set: 1 solved, 54 unsolved
At refinement iteration 10 (OVERLAPS) 0/134 variables, 0/247 constraints. Problems are: Problem set: 1 solved, 54 unsolved
No progress, stopping.
After SMT solving in domain Int declared 134/134 variables, and 247 constraints, problems are : Problem set: 1 solved, 54 unsolved in 926 ms.
Refiners :[Domain max(s): 78/78 constraints, Positive P Invariants (semi-flows): 34/34 constraints, State Equation: 78/78 constraints, ReadFeed: 2/2 constraints, PredecessorRefiner: 54/55 constraints, Known Traps: 1/1 constraints]
After SMT, in 2102ms problems are : Problem set: 1 solved, 54 unsolved
Search for dead transitions found 1 dead transitions in 2103ms
Found 1 dead transitions using SMT.
Drop transitions (Dead Transitions using SMT only with invariants) removed 1 transitions
Dead transitions reduction (with SMT) removed 1 transitions
Starting structural reductions in SI_LTL mode, iteration 1 : 78/78 places, 55/56 transitions.
Graph (complete) has 184 edges and 78 vertex of which 77 are kept as prefixes of interest. Removing 1 places using SCC suffix rule.1 ms
Discarding 1 places :
Also discarding 0 output transitions
Applied a total of 1 rules in 4 ms. Remains 77 /78 variables (removed 1) and now considering 55/55 (removed 0) transitions.
Starting structural reductions in SI_LTL mode, iteration 2 : 77/78 places, 55/56 transitions.
Finished structural reductions in SI_LTL mode , in 2 iterations and 2128 ms. Remains : 77/78 places, 55/56 transitions.
Built C files in :
/tmp/ltsmin10057379510293138856
[2024-05-29 17:12:15] [INFO ] Built C files in 4ms conformant to PINS (ltsmin variant)in folder :/tmp/ltsmin10057379510293138856
Running compilation step : cd /tmp/ltsmin10057379510293138856;'/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.ltsmin.binaries_1.0.0.202405141337/bin/limit_time.pl' '3' 'gcc' '-c' '-I/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.ltsmin.binaries_1.0.0.202405141337/bin/include/' '-I.' '-std=c99' '-fPIC' '-O0' 'model.c'
Compilation finished in 165 ms.
Running link step : cd /tmp/ltsmin10057379510293138856;'gcc' '-shared' '-o' 'gal.so' 'model.o'
Link finished in 33 ms.
Running LTSmin : cd /tmp/ltsmin10057379510293138856;'/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.ltsmin.binaries_1.0.0.202405141337/bin/pins2lts-mc-linux64' './gal.so' '--threads=8' '--when' '--hoa' '/tmp/stateBased6357078424872695257.hoa' '--buchi-type=spotba'
LTSmin run took 114 ms.
FORMULA ShieldPPPt-PT-003A-LTLFireability-14 FALSE TECHNIQUES EXPLICIT LTSMIN SAT_SMT
Treatment of property ShieldPPPt-PT-003A-LTLFireability-14 finished in 8645 ms.
All properties solved by simple procedures.
Total runtime 47153 ms.

BK_STOP 1717002735478

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

+ export BINDIR=/home/mcc/BenchKit/bin//../itstools/bin//../
+ BINDIR=/home/mcc/BenchKit/bin//../itstools/bin//../
++ pwd
+ export MODEL=/home/mcc/execution
+ MODEL=/home/mcc/execution
+ [[ LTLFireability = StateSpace ]]
+ /home/mcc/BenchKit/bin//../itstools/bin//..//runeclipse.sh /home/mcc/execution LTLFireability -its -ltsmin -greatspnpath /home/mcc/BenchKit/bin//../itstools/bin//..//greatspn/ -order META -manyOrder -smt -timeout 3600
+ ulimit -s 65536
+ [[ -z '' ]]
+ export LTSMIN_MEM_SIZE=8589934592
+ LTSMIN_MEM_SIZE=8589934592
+ export PYTHONPATH=/home/mcc/BenchKit/itstools/pylibs
+ PYTHONPATH=/home/mcc/BenchKit/itstools/pylibs
+ export LD_LIBRARY_PATH=/home/mcc/BenchKit/itstools/pylibs:
+ LD_LIBRARY_PATH=/home/mcc/BenchKit/itstools/pylibs:
++ sed s/.jar//
++ perl -pe 's/.*\.//g'
++ ls /home/mcc/BenchKit/bin//../itstools/bin//..//itstools/plugins/fr.lip6.move.gal.application.pnmcc_1.0.0.202405141337.jar
+ VERSION=202405141337
+ echo 'Running Version 202405141337'
+ /home/mcc/BenchKit/bin//../itstools/bin//..//itstools/its-tools -pnfolder /home/mcc/execution -examination LTLFireability -its -ltsmin -greatspnpath /home/mcc/BenchKit/bin//../itstools/bin//..//greatspn/ -order META -manyOrder -smt -timeout 3600

Sequence of Actions to be Executed by the VM

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

set -x
# this is for BenchKit: configuration of major elements for the test
export BK_INPUT="ShieldPPPt-PT-003A"
export BK_EXAMINATION="LTLFireability"
export BK_TOOL="itstools"
export BK_RESULT_DIR="/tmp/BK_RESULTS/OUTPUTS"
export BK_TIME_CONFINEMENT="3600"
export BK_MEMORY_CONFINEMENT="16384"
export BK_BIN_PATH="/home/mcc/BenchKit/bin/"

# this is specific to your benchmark or test

export BIN_DIR="$HOME/BenchKit/bin"

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

# this is for BenchKit: explicit launching of the test
echo "====================================================================="
echo " Generated by BenchKit 2-5568"
echo " Executing tool itstools"
echo " Input is ShieldPPPt-PT-003A, 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 r356-tall-171683761400564"
echo "====================================================================="
echo
echo "--------------------"
echo "preparation of the directory to be used:"

tar xzf /home/mcc/BenchKit/INPUTS/ShieldPPPt-PT-003A.tgz
mv ShieldPPPt-PT-003A 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 ;