Execution Chart

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

Trace from the execution

Formatting '/data/fkordon/mcc2024-input.r355-tall-171683760000995.qcow2', fmt=qcow2 size=4294967296 backing_file=/data/fkordon/mcc2024-input.qcow2 backing_fmt=qcow2 cluster_size=65536 lazy_refcounts=off refcount_bits=16
Waiting for the VM to be ready (probing ssh)
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=====================================================================
Generated by BenchKit 2-5568
Executing tool greatspnxred
Input is ShieldRVt-PT-030A, examination is LTLCardinality
Time confinement is 3600 seconds
Memory confinement is 16384 MBytes
Number of cores is 4
Run identifier is r355-tall-171683760000995
=====================================================================

--------------------
preparation of the directory to be used:
/home/mcc/execution
total 464K
-rw-r--r-- 1 mcc users 5.8K May 14 13:22 CTLCardinality.txt
-rw-r--r-- 1 mcc users 60K May 14 13:22 CTLCardinality.xml
-rw-r--r-- 1 mcc users 5.2K May 14 13:22 CTLFireability.txt
-rw-r--r-- 1 mcc users 48K 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 3.5K Apr 23 07:56 LTLCardinality.txt
-rw-r--r-- 1 mcc users 24K Apr 23 07:56 LTLCardinality.xml
-rw-r--r-- 1 mcc users 2.2K Apr 23 07:56 LTLFireability.txt
-rw-r--r-- 1 mcc users 17K Apr 23 07:56 LTLFireability.xml
-rw-r--r-- 1 mcc users 8.9K Apr 12 01:07 ReachabilityCardinality.txt
-rw-r--r-- 1 mcc users 94K Apr 12 01:07 ReachabilityCardinality.xml
-rw-r--r-- 1 mcc users 6.4K Apr 12 00:23 ReachabilityFireability.txt
-rw-r--r-- 1 mcc users 50K Apr 12 00:23 ReachabilityFireability.xml
-rw-r--r-- 1 mcc users 1.6K Apr 23 07:56 UpperBounds.txt
-rw-r--r-- 1 mcc users 3.7K Apr 23 07:56 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 82K 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 ShieldRVt-PT-030A-LTLCardinality-00
FORMULA_NAME ShieldRVt-PT-030A-LTLCardinality-01
FORMULA_NAME ShieldRVt-PT-030A-LTLCardinality-02
FORMULA_NAME ShieldRVt-PT-030A-LTLCardinality-03
FORMULA_NAME ShieldRVt-PT-030A-LTLCardinality-04
FORMULA_NAME ShieldRVt-PT-030A-LTLCardinality-05
FORMULA_NAME ShieldRVt-PT-030A-LTLCardinality-06
FORMULA_NAME ShieldRVt-PT-030A-LTLCardinality-07
FORMULA_NAME ShieldRVt-PT-030A-LTLCardinality-08
FORMULA_NAME ShieldRVt-PT-030A-LTLCardinality-09
FORMULA_NAME ShieldRVt-PT-030A-LTLCardinality-10
FORMULA_NAME ShieldRVt-PT-030A-LTLCardinality-11
FORMULA_NAME ShieldRVt-PT-030A-LTLCardinality-12
FORMULA_NAME ShieldRVt-PT-030A-LTLCardinality-13
FORMULA_NAME ShieldRVt-PT-030A-LTLCardinality-14
FORMULA_NAME ShieldRVt-PT-030A-LTLCardinality-15

=== Now, execution of the tool begins

BK_START 1717079800067

Invoking MCC driver with
BK_TOOL=greatspnxred
BK_EXAMINATION=LTLCardinality
BK_BIN_PATH=/home/mcc/BenchKit/bin/
BK_TIME_CONFINEMENT=3600
BK_INPUT=ShieldRVt-PT-030A
BK_MEMORY_CONFINEMENT=16384
Applying reductions before tool greatspn
Invoking reducer
Running Version 202405141337
[2024-05-30 14:36:41] [INFO ] Running its-tools with arguments : [-pnfolder, /home/mcc/execution, -examination, LTLCardinality, -timeout, 360, -rebuildPNML]
[2024-05-30 14:36:41] [INFO ] Parsing pnml file : /home/mcc/execution/model.pnml
[2024-05-30 14:36:41] [INFO ] Load time of PNML (sax parser for PT used): 84 ms
[2024-05-30 14:36:41] [INFO ] Transformed 243 places.
[2024-05-30 14:36:41] [INFO ] Transformed 243 transitions.
[2024-05-30 14:36:41] [INFO ] Found NUPN structural information;
[2024-05-30 14:36:41] [INFO ] Parsed PT model containing 243 places and 243 transitions and 1026 arcs in 183 ms.
Parsed 16 properties from file /home/mcc/execution/LTLCardinality.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 ShieldRVt-PT-030A-LTLCardinality-01 FALSE TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA ShieldRVt-PT-030A-LTLCardinality-07 FALSE TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA ShieldRVt-PT-030A-LTLCardinality-09 TRUE TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA ShieldRVt-PT-030A-LTLCardinality-15 TRUE TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA ShieldRVt-PT-030A-LTLCardinality-04 FALSE TECHNIQUES TOPOLOGICAL INITIAL_STATE
Support contains 30 out of 243 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 243/243 places, 242/242 transitions.
Applied a total of 0 rules in 30 ms. Remains 243 /243 variables (removed 0) and now considering 242/242 (removed 0) transitions.
// Phase 1: matrix 242 rows 243 cols
[2024-05-30 14:36:41] [INFO ] Computed 121 invariants in 18 ms
[2024-05-30 14:36:42] [INFO ] Implicit Places using invariants in 350 ms returned []
[2024-05-30 14:36:42] [INFO ] Invariant cache hit.
[2024-05-30 14:36:42] [INFO ] Implicit Places using invariants and state equation in 263 ms returned []
Implicit Place search using SMT with State Equation took 652 ms to find 0 implicit places.
Running 241 sub problems to find dead transitions.
[2024-05-30 14:36:42] [INFO ] Invariant cache hit.
At refinement iteration 0 (INCLUDED_ONLY) 0/242 variables, 242/242 constraints. Problems are: Problem set: 0 solved, 241 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/242 variables, 0/242 constraints. Problems are: Problem set: 0 solved, 241 unsolved
At refinement iteration 2 (OVERLAPS) 1/243 variables, 121/363 constraints. Problems are: Problem set: 0 solved, 241 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/243 variables, 1/364 constraints. Problems are: Problem set: 0 solved, 241 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/243 variables, 0/364 constraints. Problems are: Problem set: 0 solved, 241 unsolved
At refinement iteration 5 (OVERLAPS) 242/485 variables, 243/607 constraints. Problems are: Problem set: 0 solved, 241 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/485 variables, 0/607 constraints. Problems are: Problem set: 0 solved, 241 unsolved
At refinement iteration 7 (OVERLAPS) 0/485 variables, 0/607 constraints. Problems are: Problem set: 0 solved, 241 unsolved
No progress, stopping.
After SMT solving in domain Real declared 485/485 variables, and 607 constraints, problems are : Problem set: 0 solved, 241 unsolved in 8698 ms.
Refiners :[Domain max(s): 243/243 constraints, Positive P Invariants (semi-flows): 121/121 constraints, State Equation: 243/243 constraints, PredecessorRefiner: 241/241 constraints, Known Traps: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 241 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/242 variables, 242/242 constraints. Problems are: Problem set: 0 solved, 241 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/242 variables, 0/242 constraints. Problems are: Problem set: 0 solved, 241 unsolved
At refinement iteration 2 (OVERLAPS) 1/243 variables, 121/363 constraints. Problems are: Problem set: 0 solved, 241 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/243 variables, 1/364 constraints. Problems are: Problem set: 0 solved, 241 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/243 variables, 0/364 constraints. Problems are: Problem set: 0 solved, 241 unsolved
At refinement iteration 5 (OVERLAPS) 242/485 variables, 243/607 constraints. Problems are: Problem set: 0 solved, 241 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/485 variables, 241/848 constraints. Problems are: Problem set: 0 solved, 241 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/485 variables, 0/848 constraints. Problems are: Problem set: 0 solved, 241 unsolved
At refinement iteration 8 (OVERLAPS) 0/485 variables, 0/848 constraints. Problems are: Problem set: 0 solved, 241 unsolved
No progress, stopping.
After SMT solving in domain Int declared 485/485 variables, and 848 constraints, problems are : Problem set: 0 solved, 241 unsolved in 10541 ms.
Refiners :[Domain max(s): 243/243 constraints, Positive P Invariants (semi-flows): 121/121 constraints, State Equation: 243/243 constraints, PredecessorRefiner: 241/241 constraints, Known Traps: 0/0 constraints]
After SMT, in 19351ms problems are : Problem set: 0 solved, 241 unsolved
Search for dead transitions found 0 dead transitions in 19370ms
Finished structural reductions in LTL mode , in 1 iterations and 20082 ms. Remains : 243/243 places, 242/242 transitions.
Support contains 30 out of 243 places after structural reductions.
[2024-05-30 14:37:01] [INFO ] Flatten gal took : 74 ms
[2024-05-30 14:37:01] [INFO ] Flatten gal took : 26 ms
[2024-05-30 14:37:02] [INFO ] Input system was already deterministic with 242 transitions.
Support contains 27 out of 243 places (down from 30) after GAL structural reductions.
RANDOM walk for 40000 steps (8 resets) in 2521 ms. (15 steps per ms) remains 6/19 properties
BEST_FIRST walk for 40004 steps (8 resets) in 267 ms. (149 steps per ms) remains 6/6 properties
BEST_FIRST walk for 40002 steps (8 resets) in 233 ms. (170 steps per ms) remains 6/6 properties
BEST_FIRST walk for 40004 steps (8 resets) in 189 ms. (210 steps per ms) remains 6/6 properties
BEST_FIRST walk for 40003 steps (8 resets) in 174 ms. (228 steps per ms) remains 6/6 properties
BEST_FIRST walk for 40001 steps (8 resets) in 159 ms. (250 steps per ms) remains 6/6 properties
BEST_FIRST walk for 40003 steps (8 resets) in 171 ms. (232 steps per ms) remains 6/6 properties
[2024-05-30 14:37:03] [INFO ] Invariant cache hit.
At refinement iteration 0 (INCLUDED_ONLY) 0/12 variables, 12/12 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/12 variables, 0/12 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 2 (OVERLAPS) 13/25 variables, 12/24 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/25 variables, 13/37 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/25 variables, 0/37 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 5 (OVERLAPS) 218/243 variables, 109/146 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/243 variables, 218/364 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/243 variables, 0/364 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 8 (OVERLAPS) 242/485 variables, 243/607 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/485 variables, 0/607 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 10 (OVERLAPS) 0/485 variables, 0/607 constraints. Problems are: Problem set: 0 solved, 6 unsolved
No progress, stopping.
After SMT solving in domain Real declared 485/485 variables, and 607 constraints, problems are : Problem set: 0 solved, 6 unsolved in 401 ms.
Refiners :[Domain max(s): 243/243 constraints, Positive P Invariants (semi-flows): 121/121 constraints, State Equation: 243/243 constraints, PredecessorRefiner: 6/6 constraints, Known Traps: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 6 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/12 variables, 12/12 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/12 variables, 0/12 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 2 (OVERLAPS) 13/25 variables, 12/24 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/25 variables, 13/37 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/25 variables, 0/37 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 5 (OVERLAPS) 218/243 variables, 109/146 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/243 variables, 218/364 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/243 variables, 0/364 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 8 (OVERLAPS) 242/485 variables, 243/607 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/485 variables, 6/613 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/485 variables, 0/613 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 11 (OVERLAPS) 0/485 variables, 0/613 constraints. Problems are: Problem set: 0 solved, 6 unsolved
No progress, stopping.
After SMT solving in domain Int declared 485/485 variables, and 613 constraints, problems are : Problem set: 0 solved, 6 unsolved in 414 ms.
Refiners :[Domain max(s): 243/243 constraints, Positive P Invariants (semi-flows): 121/121 constraints, State Equation: 243/243 constraints, PredecessorRefiner: 6/6 constraints, Known Traps: 0/0 constraints]
After SMT, in 832ms problems are : Problem set: 0 solved, 6 unsolved
Fused 6 Parikh solutions to 4 different solutions.
Finished Parikh walk after 22286 steps, including 992 resets, run visited all 6 properties in 375 ms. (steps per millisecond=59 )
Finished Parikh walk after 0 steps, including 0 resets, run visited all 0 properties in 1 ms. (steps per millisecond=0 )
Finished Parikh walk after 0 steps, including 0 resets, run visited all 0 properties in 1 ms. (steps per millisecond=0 )
Finished Parikh walk after 0 steps, including 0 resets, run visited all 0 properties in 1 ms. (steps per millisecond=0 )
Parikh walk visited 6 properties in 383 ms.
Computed a total of 1 stabilizing places and 1 stable transitions
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202405141337/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!(X((F(p0)||X((p1||X(X(G(p2))))))))'
Support contains 5 out of 243 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 243/243 places, 242/242 transitions.
Applied a total of 0 rules in 7 ms. Remains 243 /243 variables (removed 0) and now considering 242/242 (removed 0) transitions.
[2024-05-30 14:37:04] [INFO ] Invariant cache hit.
[2024-05-30 14:37:04] [INFO ] Implicit Places using invariants in 110 ms returned []
[2024-05-30 14:37:04] [INFO ] Invariant cache hit.
[2024-05-30 14:37:05] [INFO ] Implicit Places using invariants and state equation in 200 ms returned []
Implicit Place search using SMT with State Equation took 310 ms to find 0 implicit places.
Running 241 sub problems to find dead transitions.
[2024-05-30 14:37:05] [INFO ] Invariant cache hit.
At refinement iteration 0 (INCLUDED_ONLY) 0/242 variables, 242/242 constraints. Problems are: Problem set: 0 solved, 241 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/242 variables, 0/242 constraints. Problems are: Problem set: 0 solved, 241 unsolved
At refinement iteration 2 (OVERLAPS) 1/243 variables, 121/363 constraints. Problems are: Problem set: 0 solved, 241 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/243 variables, 1/364 constraints. Problems are: Problem set: 0 solved, 241 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/243 variables, 0/364 constraints. Problems are: Problem set: 0 solved, 241 unsolved
At refinement iteration 5 (OVERLAPS) 242/485 variables, 243/607 constraints. Problems are: Problem set: 0 solved, 241 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/485 variables, 0/607 constraints. Problems are: Problem set: 0 solved, 241 unsolved
At refinement iteration 7 (OVERLAPS) 0/485 variables, 0/607 constraints. Problems are: Problem set: 0 solved, 241 unsolved
No progress, stopping.
After SMT solving in domain Real declared 485/485 variables, and 607 constraints, problems are : Problem set: 0 solved, 241 unsolved in 8222 ms.
Refiners :[Domain max(s): 243/243 constraints, Positive P Invariants (semi-flows): 121/121 constraints, State Equation: 243/243 constraints, PredecessorRefiner: 241/241 constraints, Known Traps: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 241 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/242 variables, 242/242 constraints. Problems are: Problem set: 0 solved, 241 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/242 variables, 0/242 constraints. Problems are: Problem set: 0 solved, 241 unsolved
At refinement iteration 2 (OVERLAPS) 1/243 variables, 121/363 constraints. Problems are: Problem set: 0 solved, 241 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/243 variables, 1/364 constraints. Problems are: Problem set: 0 solved, 241 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/243 variables, 0/364 constraints. Problems are: Problem set: 0 solved, 241 unsolved
At refinement iteration 5 (OVERLAPS) 242/485 variables, 243/607 constraints. Problems are: Problem set: 0 solved, 241 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/485 variables, 241/848 constraints. Problems are: Problem set: 0 solved, 241 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/485 variables, 0/848 constraints. Problems are: Problem set: 0 solved, 241 unsolved
At refinement iteration 8 (OVERLAPS) 0/485 variables, 0/848 constraints. Problems are: Problem set: 0 solved, 241 unsolved
No progress, stopping.
After SMT solving in domain Int declared 485/485 variables, and 848 constraints, problems are : Problem set: 0 solved, 241 unsolved in 10231 ms.
Refiners :[Domain max(s): 243/243 constraints, Positive P Invariants (semi-flows): 121/121 constraints, State Equation: 243/243 constraints, PredecessorRefiner: 241/241 constraints, Known Traps: 0/0 constraints]
After SMT, in 18509ms problems are : Problem set: 0 solved, 241 unsolved
Search for dead transitions found 0 dead transitions in 18512ms
Finished structural reductions in LTL mode , in 1 iterations and 18832 ms. Remains : 243/243 places, 242/242 transitions.
Stuttering acceptance computed with spot in 379 ms :[(NOT p0), (AND (NOT p0) (NOT p1) (NOT p2)), (AND (NOT p0) (NOT p1) (NOT p2)), (AND (NOT p0) (NOT p2)), (AND (NOT p0) (NOT p2)), (AND (NOT p0) (NOT p1) (NOT p2))]
Running random walk in product with property : ShieldRVt-PT-030A-LTLCardinality-00
Product exploration explored 100000 steps with 50000 reset in 799 ms.
Product exploration explored 100000 steps with 50000 reset in 645 ms.
Computed a total of 1 stabilizing places and 1 stable transitions
Computed a total of 1 stabilizing places and 1 stable transitions
Knowledge obtained : [(AND p0 (NOT p1) p2), (X p0), (X (X (NOT (AND (NOT p0) (NOT p1))))), (X (X p0)), (X (X p1))]
False Knowledge obtained : []
Property proved to be true thanks to knowledge (Minato strategy)
Knowledge based reduction with 5 factoid took 103 ms. Reduced automaton from 6 states, 7 edges and 3 AP (stutter sensitive) to 1 states, 0 edges and 0 AP (stutter insensitive).
FORMULA ShieldRVt-PT-030A-LTLCardinality-00 TRUE TECHNIQUES KNOWLEDGE
Treatment of property ShieldRVt-PT-030A-LTLCardinality-00 finished in 20851 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 243 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 243/243 places, 242/242 transitions.
Applied a total of 0 rules in 9 ms. Remains 243 /243 variables (removed 0) and now considering 242/242 (removed 0) transitions.
[2024-05-30 14:37:25] [INFO ] Invariant cache hit.
[2024-05-30 14:37:25] [INFO ] Implicit Places using invariants in 109 ms returned []
[2024-05-30 14:37:25] [INFO ] Invariant cache hit.
[2024-05-30 14:37:25] [INFO ] Implicit Places using invariants and state equation in 198 ms returned []
Implicit Place search using SMT with State Equation took 309 ms to find 0 implicit places.
Running 241 sub problems to find dead transitions.
[2024-05-30 14:37:25] [INFO ] Invariant cache hit.
At refinement iteration 0 (INCLUDED_ONLY) 0/242 variables, 242/242 constraints. Problems are: Problem set: 0 solved, 241 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/242 variables, 0/242 constraints. Problems are: Problem set: 0 solved, 241 unsolved
At refinement iteration 2 (OVERLAPS) 1/243 variables, 121/363 constraints. Problems are: Problem set: 0 solved, 241 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/243 variables, 1/364 constraints. Problems are: Problem set: 0 solved, 241 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/243 variables, 0/364 constraints. Problems are: Problem set: 0 solved, 241 unsolved
At refinement iteration 5 (OVERLAPS) 242/485 variables, 243/607 constraints. Problems are: Problem set: 0 solved, 241 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/485 variables, 0/607 constraints. Problems are: Problem set: 0 solved, 241 unsolved
At refinement iteration 7 (OVERLAPS) 0/485 variables, 0/607 constraints. Problems are: Problem set: 0 solved, 241 unsolved
No progress, stopping.
After SMT solving in domain Real declared 485/485 variables, and 607 constraints, problems are : Problem set: 0 solved, 241 unsolved in 8265 ms.
Refiners :[Domain max(s): 243/243 constraints, Positive P Invariants (semi-flows): 121/121 constraints, State Equation: 243/243 constraints, PredecessorRefiner: 241/241 constraints, Known Traps: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 241 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/242 variables, 242/242 constraints. Problems are: Problem set: 0 solved, 241 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/242 variables, 0/242 constraints. Problems are: Problem set: 0 solved, 241 unsolved
At refinement iteration 2 (OVERLAPS) 1/243 variables, 121/363 constraints. Problems are: Problem set: 0 solved, 241 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/243 variables, 1/364 constraints. Problems are: Problem set: 0 solved, 241 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/243 variables, 0/364 constraints. Problems are: Problem set: 0 solved, 241 unsolved
At refinement iteration 5 (OVERLAPS) 242/485 variables, 243/607 constraints. Problems are: Problem set: 0 solved, 241 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/485 variables, 241/848 constraints. Problems are: Problem set: 0 solved, 241 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/485 variables, 0/848 constraints. Problems are: Problem set: 0 solved, 241 unsolved
At refinement iteration 8 (OVERLAPS) 0/485 variables, 0/848 constraints. Problems are: Problem set: 0 solved, 241 unsolved
No progress, stopping.
After SMT solving in domain Int declared 485/485 variables, and 848 constraints, problems are : Problem set: 0 solved, 241 unsolved in 10060 ms.
Refiners :[Domain max(s): 243/243 constraints, Positive P Invariants (semi-flows): 121/121 constraints, State Equation: 243/243 constraints, PredecessorRefiner: 241/241 constraints, Known Traps: 0/0 constraints]
After SMT, in 18370ms problems are : Problem set: 0 solved, 241 unsolved
Search for dead transitions found 0 dead transitions in 18373ms
Finished structural reductions in LTL mode , in 1 iterations and 18691 ms. Remains : 243/243 places, 242/242 transitions.
Stuttering acceptance computed with spot in 103 ms :[true, (NOT p0), (NOT p0)]
Running random walk in product with property : ShieldRVt-PT-030A-LTLCardinality-02
Product exploration explored 100000 steps with 0 reset in 327 ms.
Product exploration explored 100000 steps with 0 reset in 504 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 : [p0, (X p0), (X (X p0))]
False Knowledge obtained : []
Knowledge sufficient to adopt a stutter insensitive property.
Knowledge based reduction with 3 factoid took 86 ms. Reduced automaton from 3 states, 4 edges and 1 AP (stutter sensitive) to 2 states, 3 edges and 1 AP (stutter insensitive).
Stuttering acceptance computed with spot in 56 ms :[true, (NOT p0)]
RANDOM walk for 40000 steps (8 resets) in 331 ms. (120 steps per ms) remains 1/1 properties
BEST_FIRST walk for 40004 steps (8 resets) in 195 ms. (204 steps per ms) remains 1/1 properties
Finished probabilistic random walk after 2861 steps, run visited all 1 properties in 23 ms. (steps per millisecond=124 )
Probabilistic random walk after 2861 steps, saw 2747 distinct states, run finished after 27 ms. (steps per millisecond=105 ) properties seen :1
Knowledge obtained : [p0, (X p0), (X (X p0))]
False Knowledge obtained : [(F (NOT p0))]
Property proved to be false thanks to negative knowledge :(F (NOT p0))
Knowledge based reduction with 3 factoid took 93 ms. Reduced automaton from 2 states, 3 edges and 1 AP (stutter insensitive) to 1 states, 1 edges and 0 AP (stutter insensitive).
FORMULA ShieldRVt-PT-030A-LTLCardinality-02 FALSE TECHNIQUES KNOWLEDGE
Treatment of property ShieldRVt-PT-030A-LTLCardinality-02 finished in 20092 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)&&F(p1)))'
Support contains 2 out of 243 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 243/243 places, 242/242 transitions.
Applied a total of 0 rules in 7 ms. Remains 243 /243 variables (removed 0) and now considering 242/242 (removed 0) transitions.
[2024-05-30 14:37:45] [INFO ] Invariant cache hit.
[2024-05-30 14:37:45] [INFO ] Implicit Places using invariants in 120 ms returned []
[2024-05-30 14:37:45] [INFO ] Invariant cache hit.
[2024-05-30 14:37:45] [INFO ] Implicit Places using invariants and state equation in 207 ms returned []
Implicit Place search using SMT with State Equation took 331 ms to find 0 implicit places.
Running 241 sub problems to find dead transitions.
[2024-05-30 14:37:46] [INFO ] Invariant cache hit.
At refinement iteration 0 (INCLUDED_ONLY) 0/242 variables, 242/242 constraints. Problems are: Problem set: 0 solved, 241 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/242 variables, 0/242 constraints. Problems are: Problem set: 0 solved, 241 unsolved
At refinement iteration 2 (OVERLAPS) 1/243 variables, 121/363 constraints. Problems are: Problem set: 0 solved, 241 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/243 variables, 1/364 constraints. Problems are: Problem set: 0 solved, 241 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/243 variables, 0/364 constraints. Problems are: Problem set: 0 solved, 241 unsolved
At refinement iteration 5 (OVERLAPS) 242/485 variables, 243/607 constraints. Problems are: Problem set: 0 solved, 241 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/485 variables, 0/607 constraints. Problems are: Problem set: 0 solved, 241 unsolved
At refinement iteration 7 (OVERLAPS) 0/485 variables, 0/607 constraints. Problems are: Problem set: 0 solved, 241 unsolved
No progress, stopping.
After SMT solving in domain Real declared 485/485 variables, and 607 constraints, problems are : Problem set: 0 solved, 241 unsolved in 8087 ms.
Refiners :[Domain max(s): 243/243 constraints, Positive P Invariants (semi-flows): 121/121 constraints, State Equation: 243/243 constraints, PredecessorRefiner: 241/241 constraints, Known Traps: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 241 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/242 variables, 242/242 constraints. Problems are: Problem set: 0 solved, 241 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/242 variables, 0/242 constraints. Problems are: Problem set: 0 solved, 241 unsolved
At refinement iteration 2 (OVERLAPS) 1/243 variables, 121/363 constraints. Problems are: Problem set: 0 solved, 241 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/243 variables, 1/364 constraints. Problems are: Problem set: 0 solved, 241 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/243 variables, 0/364 constraints. Problems are: Problem set: 0 solved, 241 unsolved
At refinement iteration 5 (OVERLAPS) 242/485 variables, 243/607 constraints. Problems are: Problem set: 0 solved, 241 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/485 variables, 241/848 constraints. Problems are: Problem set: 0 solved, 241 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/485 variables, 0/848 constraints. Problems are: Problem set: 0 solved, 241 unsolved
At refinement iteration 8 (OVERLAPS) 0/485 variables, 0/848 constraints. Problems are: Problem set: 0 solved, 241 unsolved
No progress, stopping.
After SMT solving in domain Int declared 485/485 variables, and 848 constraints, problems are : Problem set: 0 solved, 241 unsolved in 10187 ms.
Refiners :[Domain max(s): 243/243 constraints, Positive P Invariants (semi-flows): 121/121 constraints, State Equation: 243/243 constraints, PredecessorRefiner: 241/241 constraints, Known Traps: 0/0 constraints]
After SMT, in 18331ms problems are : Problem set: 0 solved, 241 unsolved
Search for dead transitions found 0 dead transitions in 18337ms
Finished structural reductions in LTL mode , in 1 iterations and 18676 ms. Remains : 243/243 places, 242/242 transitions.
Stuttering acceptance computed with spot in 130 ms :[(OR (NOT p0) (NOT p1)), (NOT p0), (NOT p1), true]
Running random walk in product with property : ShieldRVt-PT-030A-LTLCardinality-03
Product exploration explored 100000 steps with 33 reset in 366 ms.
Stack based approach found an accepted trace after 41 steps with 4 reset with depth 34 and stack size 34 in 1 ms.
FORMULA ShieldRVt-PT-030A-LTLCardinality-03 FALSE TECHNIQUES STACK_TEST
Treatment of property ShieldRVt-PT-030A-LTLCardinality-03 finished in 19197 ms.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202405141337/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!(G(F(p0)))'
Support contains 2 out of 243 places. Attempting structural reductions.
Starting structural reductions in SI_LTL mode, iteration 0 : 243/243 places, 242/242 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 242 transition count 241
Applied a total of 2 rules in 30 ms. Remains 242 /243 variables (removed 1) and now considering 241/242 (removed 1) transitions.
// Phase 1: matrix 241 rows 242 cols
[2024-05-30 14:38:04] [INFO ] Computed 121 invariants in 2 ms
[2024-05-30 14:38:05] [INFO ] Implicit Places using invariants in 124 ms returned [235]
Discarding 1 places :
Implicit Place search using SMT only with invariants took 127 ms to find 1 implicit places.
Starting structural reductions in SI_LTL mode, iteration 1 : 241/243 places, 241/242 transitions.
Applied a total of 0 rules in 10 ms. Remains 241 /241 variables (removed 0) and now considering 241/241 (removed 0) transitions.
Finished structural reductions in SI_LTL mode , in 2 iterations and 167 ms. Remains : 241/243 places, 241/242 transitions.
Stuttering acceptance computed with spot in 72 ms :[(NOT p0), (NOT p0)]
Running random walk in product with property : ShieldRVt-PT-030A-LTLCardinality-05
Product exploration explored 100000 steps with 1 reset in 360 ms.
Product exploration explored 100000 steps with 0 reset in 410 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 : [p0, (X p0), (X (X p0))]
False Knowledge obtained : []
Knowledge based reduction with 3 factoid took 89 ms. Reduced automaton from 2 states, 3 edges and 1 AP (stutter insensitive) to 2 states, 3 edges and 1 AP (stutter insensitive).
Stuttering acceptance computed with spot in 84 ms :[(NOT p0), (NOT p0)]
RANDOM walk for 40000 steps (8 resets) in 222 ms. (179 steps per ms) remains 1/1 properties
BEST_FIRST walk for 40004 steps (8 resets) in 144 ms. (275 steps per ms) remains 1/1 properties
Finished probabilistic random walk after 3838 steps, run visited all 1 properties in 22 ms. (steps per millisecond=174 )
Probabilistic random walk after 3838 steps, saw 3698 distinct states, run finished after 22 ms. (steps per millisecond=174 ) properties seen :1
Knowledge obtained : [p0, (X p0), (X (X p0))]
False Knowledge obtained : [(F (NOT p0))]
Knowledge based reduction with 3 factoid took 108 ms. Reduced automaton from 2 states, 3 edges and 1 AP (stutter insensitive) to 2 states, 3 edges and 1 AP (stutter insensitive).
Stuttering acceptance computed with spot in 62 ms :[(NOT p0), (NOT p0)]
Stuttering acceptance computed with spot in 80 ms :[(NOT p0), (NOT p0)]
Support contains 2 out of 241 places. Attempting structural reductions.
Starting structural reductions in SI_LTL mode, iteration 0 : 241/241 places, 241/241 transitions.
Applied a total of 0 rules in 17 ms. Remains 241 /241 variables (removed 0) and now considering 241/241 (removed 0) transitions.
// Phase 1: matrix 241 rows 241 cols
[2024-05-30 14:38:06] [INFO ] Computed 120 invariants in 4 ms
[2024-05-30 14:38:06] [INFO ] Implicit Places using invariants in 121 ms returned []
[2024-05-30 14:38:06] [INFO ] Invariant cache hit.
[2024-05-30 14:38:06] [INFO ] Implicit Places using invariants and state equation in 197 ms returned []
Implicit Place search using SMT with State Equation took 319 ms to find 0 implicit places.
[2024-05-30 14:38:06] [INFO ] Redundant transitions in 9 ms returned []
Running 240 sub problems to find dead transitions.
[2024-05-30 14:38:06] [INFO ] Invariant cache hit.
At refinement iteration 0 (INCLUDED_ONLY) 0/240 variables, 240/240 constraints. Problems are: Problem set: 0 solved, 240 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/240 variables, 0/240 constraints. Problems are: Problem set: 0 solved, 240 unsolved
At refinement iteration 2 (OVERLAPS) 1/241 variables, 120/360 constraints. Problems are: Problem set: 0 solved, 240 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/241 variables, 1/361 constraints. Problems are: Problem set: 0 solved, 240 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/241 variables, 0/361 constraints. Problems are: Problem set: 0 solved, 240 unsolved
At refinement iteration 5 (OVERLAPS) 241/482 variables, 241/602 constraints. Problems are: Problem set: 0 solved, 240 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/482 variables, 0/602 constraints. Problems are: Problem set: 0 solved, 240 unsolved
At refinement iteration 7 (OVERLAPS) 0/482 variables, 0/602 constraints. Problems are: Problem set: 0 solved, 240 unsolved
No progress, stopping.
After SMT solving in domain Real declared 482/482 variables, and 602 constraints, problems are : Problem set: 0 solved, 240 unsolved in 8443 ms.
Refiners :[Domain max(s): 241/241 constraints, Positive P Invariants (semi-flows): 120/120 constraints, State Equation: 241/241 constraints, PredecessorRefiner: 240/240 constraints, Known Traps: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 240 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/240 variables, 240/240 constraints. Problems are: Problem set: 0 solved, 240 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/240 variables, 0/240 constraints. Problems are: Problem set: 0 solved, 240 unsolved
At refinement iteration 2 (OVERLAPS) 1/241 variables, 120/360 constraints. Problems are: Problem set: 0 solved, 240 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/241 variables, 1/361 constraints. Problems are: Problem set: 0 solved, 240 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/241 variables, 0/361 constraints. Problems are: Problem set: 0 solved, 240 unsolved
At refinement iteration 5 (OVERLAPS) 241/482 variables, 241/602 constraints. Problems are: Problem set: 0 solved, 240 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/482 variables, 240/842 constraints. Problems are: Problem set: 0 solved, 240 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/482 variables, 0/842 constraints. Problems are: Problem set: 0 solved, 240 unsolved
At refinement iteration 8 (OVERLAPS) 0/482 variables, 0/842 constraints. Problems are: Problem set: 0 solved, 240 unsolved
No progress, stopping.
After SMT solving in domain Int declared 482/482 variables, and 842 constraints, problems are : Problem set: 0 solved, 240 unsolved in 10425 ms.
Refiners :[Domain max(s): 241/241 constraints, Positive P Invariants (semi-flows): 120/120 constraints, State Equation: 241/241 constraints, PredecessorRefiner: 240/240 constraints, Known Traps: 0/0 constraints]
After SMT, in 18914ms problems are : Problem set: 0 solved, 240 unsolved
Search for dead transitions found 0 dead transitions in 18917ms
Finished structural reductions in SI_LTL mode , in 1 iterations and 19269 ms. Remains : 241/241 places, 241/241 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 : [p0, (X p0), (X (X p0))]
False Knowledge obtained : []
Knowledge based reduction with 3 factoid took 102 ms. Reduced automaton from 2 states, 3 edges and 1 AP (stutter insensitive) to 2 states, 3 edges and 1 AP (stutter insensitive).
Stuttering acceptance computed with spot in 102 ms :[(NOT p0), (NOT p0)]
RANDOM walk for 40000 steps (8 resets) in 256 ms. (155 steps per ms) remains 1/1 properties
BEST_FIRST walk for 40004 steps (8 resets) in 130 ms. (305 steps per ms) remains 1/1 properties
Finished probabilistic random walk after 3838 steps, run visited all 1 properties in 28 ms. (steps per millisecond=137 )
Probabilistic random walk after 3838 steps, saw 3698 distinct states, run finished after 28 ms. (steps per millisecond=137 ) properties seen :1
Knowledge obtained : [p0, (X p0), (X (X p0))]
False Knowledge obtained : [(F (NOT p0))]
Knowledge based reduction with 3 factoid took 91 ms. Reduced automaton from 2 states, 3 edges and 1 AP (stutter insensitive) to 2 states, 3 edges and 1 AP (stutter insensitive).
Stuttering acceptance computed with spot in 79 ms :[(NOT p0), (NOT p0)]
Stuttering acceptance computed with spot in 79 ms :[(NOT p0), (NOT p0)]
Stuttering acceptance computed with spot in 70 ms :[(NOT p0), (NOT p0)]
Product exploration explored 100000 steps with 1 reset in 322 ms.
Product exploration explored 100000 steps with 1 reset in 385 ms.
Support contains 2 out of 241 places. Attempting structural reductions.
Starting structural reductions in SI_LTL mode, iteration 0 : 241/241 places, 241/241 transitions.
Applied a total of 0 rules in 8 ms. Remains 241 /241 variables (removed 0) and now considering 241/241 (removed 0) transitions.
[2024-05-30 14:38:27] [INFO ] Invariant cache hit.
[2024-05-30 14:38:27] [INFO ] Implicit Places using invariants in 108 ms returned []
[2024-05-30 14:38:27] [INFO ] Invariant cache hit.
[2024-05-30 14:38:27] [INFO ] Implicit Places using invariants and state equation in 187 ms returned []
Implicit Place search using SMT with State Equation took 297 ms to find 0 implicit places.
[2024-05-30 14:38:27] [INFO ] Redundant transitions in 8 ms returned []
Running 240 sub problems to find dead transitions.
[2024-05-30 14:38:27] [INFO ] Invariant cache hit.
At refinement iteration 0 (INCLUDED_ONLY) 0/240 variables, 240/240 constraints. Problems are: Problem set: 0 solved, 240 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/240 variables, 0/240 constraints. Problems are: Problem set: 0 solved, 240 unsolved
At refinement iteration 2 (OVERLAPS) 1/241 variables, 120/360 constraints. Problems are: Problem set: 0 solved, 240 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/241 variables, 1/361 constraints. Problems are: Problem set: 0 solved, 240 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/241 variables, 0/361 constraints. Problems are: Problem set: 0 solved, 240 unsolved
At refinement iteration 5 (OVERLAPS) 241/482 variables, 241/602 constraints. Problems are: Problem set: 0 solved, 240 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/482 variables, 0/602 constraints. Problems are: Problem set: 0 solved, 240 unsolved
At refinement iteration 7 (OVERLAPS) 0/482 variables, 0/602 constraints. Problems are: Problem set: 0 solved, 240 unsolved
No progress, stopping.
After SMT solving in domain Real declared 482/482 variables, and 602 constraints, problems are : Problem set: 0 solved, 240 unsolved in 8247 ms.
Refiners :[Domain max(s): 241/241 constraints, Positive P Invariants (semi-flows): 120/120 constraints, State Equation: 241/241 constraints, PredecessorRefiner: 240/240 constraints, Known Traps: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 240 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/240 variables, 240/240 constraints. Problems are: Problem set: 0 solved, 240 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/240 variables, 0/240 constraints. Problems are: Problem set: 0 solved, 240 unsolved
At refinement iteration 2 (OVERLAPS) 1/241 variables, 120/360 constraints. Problems are: Problem set: 0 solved, 240 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/241 variables, 1/361 constraints. Problems are: Problem set: 0 solved, 240 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/241 variables, 0/361 constraints. Problems are: Problem set: 0 solved, 240 unsolved
At refinement iteration 5 (OVERLAPS) 241/482 variables, 241/602 constraints. Problems are: Problem set: 0 solved, 240 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/482 variables, 240/842 constraints. Problems are: Problem set: 0 solved, 240 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/482 variables, 0/842 constraints. Problems are: Problem set: 0 solved, 240 unsolved
At refinement iteration 8 (OVERLAPS) 0/482 variables, 0/842 constraints. Problems are: Problem set: 0 solved, 240 unsolved
No progress, stopping.
After SMT solving in domain Int declared 482/482 variables, and 842 constraints, problems are : Problem set: 0 solved, 240 unsolved in 10513 ms.
Refiners :[Domain max(s): 241/241 constraints, Positive P Invariants (semi-flows): 120/120 constraints, State Equation: 241/241 constraints, PredecessorRefiner: 240/240 constraints, Known Traps: 0/0 constraints]
After SMT, in 18806ms problems are : Problem set: 0 solved, 240 unsolved
Search for dead transitions found 0 dead transitions in 18809ms
Finished structural reductions in SI_LTL mode , in 1 iterations and 19128 ms. Remains : 241/241 places, 241/241 transitions.
Treatment of property ShieldRVt-PT-030A-LTLCardinality-05 finished in 41481 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 243 places. Attempting structural reductions.
Starting structural reductions in SI_LTL mode, iteration 0 : 243/243 places, 242/242 transitions.
Reduce places removed 1 places and 1 transitions.
Performed 1 Post agglomeration using F-continuation condition.Transition count delta: 1
Deduced a syphon composed of 1 places in 1 ms
Reduce places removed 2 places and 0 transitions.
Iterating global reduction 0 with 3 rules applied. Total rules applied 3 place count 240 transition count 240
Applied a total of 3 rules in 17 ms. Remains 240 /243 variables (removed 3) and now considering 240/242 (removed 2) transitions.
// Phase 1: matrix 240 rows 240 cols
[2024-05-30 14:38:46] [INFO ] Computed 120 invariants in 1 ms
[2024-05-30 14:38:46] [INFO ] Implicit Places using invariants in 102 ms returned []
[2024-05-30 14:38:46] [INFO ] Invariant cache hit.
[2024-05-30 14:38:46] [INFO ] Implicit Places using invariants and state equation in 172 ms returned []
Implicit Place search using SMT with State Equation took 283 ms to find 0 implicit places.
[2024-05-30 14:38:46] [INFO ] Redundant transitions in 2 ms returned []
Running 239 sub problems to find dead transitions.
[2024-05-30 14:38:46] [INFO ] Invariant cache hit.
At refinement iteration 0 (INCLUDED_ONLY) 0/240 variables, 240/240 constraints. Problems are: Problem set: 0 solved, 239 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/240 variables, 120/360 constraints. Problems are: Problem set: 0 solved, 239 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/240 variables, 0/360 constraints. Problems are: Problem set: 0 solved, 239 unsolved
At refinement iteration 3 (OVERLAPS) 240/480 variables, 240/600 constraints. Problems are: Problem set: 0 solved, 239 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/480 variables, 0/600 constraints. Problems are: Problem set: 0 solved, 239 unsolved
At refinement iteration 5 (OVERLAPS) 0/480 variables, 0/600 constraints. Problems are: Problem set: 0 solved, 239 unsolved
No progress, stopping.
After SMT solving in domain Real declared 480/480 variables, and 600 constraints, problems are : Problem set: 0 solved, 239 unsolved in 6421 ms.
Refiners :[Domain max(s): 240/240 constraints, Positive P Invariants (semi-flows): 120/120 constraints, State Equation: 240/240 constraints, PredecessorRefiner: 239/239 constraints, Known Traps: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 239 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/240 variables, 240/240 constraints. Problems are: Problem set: 0 solved, 239 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/240 variables, 120/360 constraints. Problems are: Problem set: 0 solved, 239 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/240 variables, 0/360 constraints. Problems are: Problem set: 0 solved, 239 unsolved
At refinement iteration 3 (OVERLAPS) 240/480 variables, 240/600 constraints. Problems are: Problem set: 0 solved, 239 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/480 variables, 239/839 constraints. Problems are: Problem set: 0 solved, 239 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/480 variables, 0/839 constraints. Problems are: Problem set: 0 solved, 239 unsolved
At refinement iteration 6 (OVERLAPS) 0/480 variables, 0/839 constraints. Problems are: Problem set: 0 solved, 239 unsolved
No progress, stopping.
After SMT solving in domain Int declared 480/480 variables, and 839 constraints, problems are : Problem set: 0 solved, 239 unsolved in 7050 ms.
Refiners :[Domain max(s): 240/240 constraints, Positive P Invariants (semi-flows): 120/120 constraints, State Equation: 240/240 constraints, PredecessorRefiner: 239/239 constraints, Known Traps: 0/0 constraints]
After SMT, in 13501ms problems are : Problem set: 0 solved, 239 unsolved
Search for dead transitions found 0 dead transitions in 13503ms
Starting structural reductions in SI_LTL mode, iteration 1 : 240/243 places, 240/242 transitions.
Finished structural reductions in SI_LTL mode , in 1 iterations and 13812 ms. Remains : 240/243 places, 240/242 transitions.
Stuttering acceptance computed with spot in 47 ms :[(NOT p0)]
Running random walk in product with property : ShieldRVt-PT-030A-LTLCardinality-06
Product exploration explored 100000 steps with 46 reset in 309 ms.
Stack based approach found an accepted trace after 89 steps with 0 reset with depth 90 and stack size 90 in 0 ms.
FORMULA ShieldRVt-PT-030A-LTLCardinality-06 FALSE TECHNIQUES STACK_TEST
Treatment of property ShieldRVt-PT-030A-LTLCardinality-06 finished in 14187 ms.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202405141337/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!(F(G(p0)))'
Support contains 2 out of 243 places. Attempting structural reductions.
Starting structural reductions in SI_LTL mode, iteration 0 : 243/243 places, 242/242 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 242 transition count 241
Applied a total of 2 rules in 16 ms. Remains 242 /243 variables (removed 1) and now considering 241/242 (removed 1) transitions.
// Phase 1: matrix 241 rows 242 cols
[2024-05-30 14:39:00] [INFO ] Computed 121 invariants in 3 ms
[2024-05-30 14:39:00] [INFO ] Implicit Places using invariants in 118 ms returned [235]
Discarding 1 places :
Implicit Place search using SMT only with invariants took 120 ms to find 1 implicit places.
Starting structural reductions in SI_LTL mode, iteration 1 : 241/243 places, 241/242 transitions.
Applied a total of 0 rules in 6 ms. Remains 241 /241 variables (removed 0) and now considering 241/241 (removed 0) transitions.
Finished structural reductions in SI_LTL mode , in 2 iterations and 142 ms. Remains : 241/243 places, 241/242 transitions.
Stuttering acceptance computed with spot in 35 ms :[(NOT p0)]
Running random walk in product with property : ShieldRVt-PT-030A-LTLCardinality-08
Product exploration explored 100000 steps with 0 reset in 365 ms.
Product exploration explored 100000 steps with 0 reset in 414 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 : [p0, (X p0), (X (X p0))]
False Knowledge obtained : []
Knowledge based reduction with 3 factoid took 89 ms. Reduced automaton from 1 states, 2 edges and 1 AP (stutter insensitive) to 1 states, 2 edges and 1 AP (stutter insensitive).
Stuttering acceptance computed with spot in 28 ms :[(NOT p0)]
RANDOM walk for 40000 steps (8 resets) in 171 ms. (232 steps per ms) remains 1/1 properties
BEST_FIRST walk for 40003 steps (8 resets) in 101 ms. (392 steps per ms) remains 1/1 properties
Finished probabilistic random walk after 6764 steps, run visited all 1 properties in 32 ms. (steps per millisecond=211 )
Probabilistic random walk after 6764 steps, saw 6567 distinct states, run finished after 32 ms. (steps per millisecond=211 ) properties seen :1
Knowledge obtained : [p0, (X p0), (X (X p0))]
False Knowledge obtained : [(F (NOT p0))]
Knowledge based reduction with 3 factoid took 84 ms. Reduced automaton from 1 states, 2 edges and 1 AP (stutter insensitive) to 1 states, 2 edges and 1 AP (stutter insensitive).
Stuttering acceptance computed with spot in 28 ms :[(NOT p0)]
Stuttering acceptance computed with spot in 43 ms :[(NOT p0)]
Support contains 2 out of 241 places. Attempting structural reductions.
Starting structural reductions in SI_LTL mode, iteration 0 : 241/241 places, 241/241 transitions.
Applied a total of 0 rules in 11 ms. Remains 241 /241 variables (removed 0) and now considering 241/241 (removed 0) transitions.
// Phase 1: matrix 241 rows 241 cols
[2024-05-30 14:39:01] [INFO ] Computed 120 invariants in 1 ms
[2024-05-30 14:39:02] [INFO ] Implicit Places using invariants in 121 ms returned []
[2024-05-30 14:39:02] [INFO ] Invariant cache hit.
[2024-05-30 14:39:02] [INFO ] Implicit Places using invariants and state equation in 182 ms returned []
Implicit Place search using SMT with State Equation took 304 ms to find 0 implicit places.
[2024-05-30 14:39:02] [INFO ] Redundant transitions in 2 ms returned []
Running 240 sub problems to find dead transitions.
[2024-05-30 14:39:02] [INFO ] Invariant cache hit.
At refinement iteration 0 (INCLUDED_ONLY) 0/240 variables, 240/240 constraints. Problems are: Problem set: 0 solved, 240 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/240 variables, 0/240 constraints. Problems are: Problem set: 0 solved, 240 unsolved
At refinement iteration 2 (OVERLAPS) 1/241 variables, 120/360 constraints. Problems are: Problem set: 0 solved, 240 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/241 variables, 1/361 constraints. Problems are: Problem set: 0 solved, 240 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/241 variables, 0/361 constraints. Problems are: Problem set: 0 solved, 240 unsolved
At refinement iteration 5 (OVERLAPS) 241/482 variables, 241/602 constraints. Problems are: Problem set: 0 solved, 240 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/482 variables, 0/602 constraints. Problems are: Problem set: 0 solved, 240 unsolved
At refinement iteration 7 (OVERLAPS) 0/482 variables, 0/602 constraints. Problems are: Problem set: 0 solved, 240 unsolved
No progress, stopping.
After SMT solving in domain Real declared 482/482 variables, and 602 constraints, problems are : Problem set: 0 solved, 240 unsolved in 8363 ms.
Refiners :[Domain max(s): 241/241 constraints, Positive P Invariants (semi-flows): 120/120 constraints, State Equation: 241/241 constraints, PredecessorRefiner: 240/240 constraints, Known Traps: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 240 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/240 variables, 240/240 constraints. Problems are: Problem set: 0 solved, 240 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/240 variables, 0/240 constraints. Problems are: Problem set: 0 solved, 240 unsolved
At refinement iteration 2 (OVERLAPS) 1/241 variables, 120/360 constraints. Problems are: Problem set: 0 solved, 240 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/241 variables, 1/361 constraints. Problems are: Problem set: 0 solved, 240 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/241 variables, 0/361 constraints. Problems are: Problem set: 0 solved, 240 unsolved
At refinement iteration 5 (OVERLAPS) 241/482 variables, 241/602 constraints. Problems are: Problem set: 0 solved, 240 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/482 variables, 240/842 constraints. Problems are: Problem set: 0 solved, 240 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/482 variables, 0/842 constraints. Problems are: Problem set: 0 solved, 240 unsolved
At refinement iteration 8 (OVERLAPS) 0/482 variables, 0/842 constraints. Problems are: Problem set: 0 solved, 240 unsolved
No progress, stopping.
After SMT solving in domain Int declared 482/482 variables, and 842 constraints, problems are : Problem set: 0 solved, 240 unsolved in 10733 ms.
Refiners :[Domain max(s): 241/241 constraints, Positive P Invariants (semi-flows): 120/120 constraints, State Equation: 241/241 constraints, PredecessorRefiner: 240/240 constraints, Known Traps: 0/0 constraints]
After SMT, in 19136ms problems are : Problem set: 0 solved, 240 unsolved
Search for dead transitions found 0 dead transitions in 19139ms
Finished structural reductions in SI_LTL mode , in 1 iterations and 19460 ms. Remains : 241/241 places, 241/241 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 : [p0, (X p0), (X (X p0))]
False Knowledge obtained : []
Knowledge based reduction with 3 factoid took 74 ms. Reduced automaton from 1 states, 2 edges and 1 AP (stutter insensitive) to 1 states, 2 edges and 1 AP (stutter insensitive).
Stuttering acceptance computed with spot in 30 ms :[(NOT p0)]
RANDOM walk for 40000 steps (8 resets) in 207 ms. (192 steps per ms) remains 1/1 properties
BEST_FIRST walk for 40003 steps (8 resets) in 95 ms. (416 steps per ms) remains 1/1 properties
Finished probabilistic random walk after 6764 steps, run visited all 1 properties in 31 ms. (steps per millisecond=218 )
Probabilistic random walk after 6764 steps, saw 6567 distinct states, run finished after 32 ms. (steps per millisecond=211 ) properties seen :1
Knowledge obtained : [p0, (X p0), (X (X p0))]
False Knowledge obtained : [(F (NOT p0))]
Knowledge based reduction with 3 factoid took 114 ms. Reduced automaton from 1 states, 2 edges and 1 AP (stutter insensitive) to 1 states, 2 edges and 1 AP (stutter insensitive).
Stuttering acceptance computed with spot in 28 ms :[(NOT p0)]
Stuttering acceptance computed with spot in 28 ms :[(NOT p0)]
Stuttering acceptance computed with spot in 54 ms :[(NOT p0)]
Product exploration explored 100000 steps with 0 reset in 356 ms.
Product exploration explored 100000 steps with 0 reset in 395 ms.
Support contains 2 out of 241 places. Attempting structural reductions.
Starting structural reductions in SI_LTL mode, iteration 0 : 241/241 places, 241/241 transitions.
Applied a total of 0 rules in 6 ms. Remains 241 /241 variables (removed 0) and now considering 241/241 (removed 0) transitions.
[2024-05-30 14:39:22] [INFO ] Invariant cache hit.
[2024-05-30 14:39:22] [INFO ] Implicit Places using invariants in 117 ms returned []
[2024-05-30 14:39:22] [INFO ] Invariant cache hit.
[2024-05-30 14:39:22] [INFO ] Implicit Places using invariants and state equation in 199 ms returned []
Implicit Place search using SMT with State Equation took 320 ms to find 0 implicit places.
[2024-05-30 14:39:22] [INFO ] Redundant transitions in 3 ms returned []
Running 240 sub problems to find dead transitions.
[2024-05-30 14:39:22] [INFO ] Invariant cache hit.
At refinement iteration 0 (INCLUDED_ONLY) 0/240 variables, 240/240 constraints. Problems are: Problem set: 0 solved, 240 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/240 variables, 0/240 constraints. Problems are: Problem set: 0 solved, 240 unsolved
At refinement iteration 2 (OVERLAPS) 1/241 variables, 120/360 constraints. Problems are: Problem set: 0 solved, 240 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/241 variables, 1/361 constraints. Problems are: Problem set: 0 solved, 240 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/241 variables, 0/361 constraints. Problems are: Problem set: 0 solved, 240 unsolved
At refinement iteration 5 (OVERLAPS) 241/482 variables, 241/602 constraints. Problems are: Problem set: 0 solved, 240 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/482 variables, 0/602 constraints. Problems are: Problem set: 0 solved, 240 unsolved
At refinement iteration 7 (OVERLAPS) 0/482 variables, 0/602 constraints. Problems are: Problem set: 0 solved, 240 unsolved
No progress, stopping.
After SMT solving in domain Real declared 482/482 variables, and 602 constraints, problems are : Problem set: 0 solved, 240 unsolved in 8302 ms.
Refiners :[Domain max(s): 241/241 constraints, Positive P Invariants (semi-flows): 120/120 constraints, State Equation: 241/241 constraints, PredecessorRefiner: 240/240 constraints, Known Traps: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 240 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/240 variables, 240/240 constraints. Problems are: Problem set: 0 solved, 240 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/240 variables, 0/240 constraints. Problems are: Problem set: 0 solved, 240 unsolved
At refinement iteration 2 (OVERLAPS) 1/241 variables, 120/360 constraints. Problems are: Problem set: 0 solved, 240 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/241 variables, 1/361 constraints. Problems are: Problem set: 0 solved, 240 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/241 variables, 0/361 constraints. Problems are: Problem set: 0 solved, 240 unsolved
At refinement iteration 5 (OVERLAPS) 241/482 variables, 241/602 constraints. Problems are: Problem set: 0 solved, 240 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/482 variables, 240/842 constraints. Problems are: Problem set: 0 solved, 240 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/482 variables, 0/842 constraints. Problems are: Problem set: 0 solved, 240 unsolved
At refinement iteration 8 (OVERLAPS) 0/482 variables, 0/842 constraints. Problems are: Problem set: 0 solved, 240 unsolved
No progress, stopping.
After SMT solving in domain Int declared 482/482 variables, and 842 constraints, problems are : Problem set: 0 solved, 240 unsolved in 10483 ms.
Refiners :[Domain max(s): 241/241 constraints, Positive P Invariants (semi-flows): 120/120 constraints, State Equation: 241/241 constraints, PredecessorRefiner: 240/240 constraints, Known Traps: 0/0 constraints]
After SMT, in 18824ms problems are : Problem set: 0 solved, 240 unsolved
Search for dead transitions found 0 dead transitions in 18827ms
Finished structural reductions in SI_LTL mode , in 1 iterations and 19163 ms. Remains : 241/241 places, 241/241 transitions.
Treatment of property ShieldRVt-PT-030A-LTLCardinality-08 finished in 41306 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((G(p0)||(p0&&G(F(!p1)))))))'
Support contains 3 out of 243 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 243/243 places, 242/242 transitions.
Applied a total of 0 rules in 5 ms. Remains 243 /243 variables (removed 0) and now considering 242/242 (removed 0) transitions.
// Phase 1: matrix 242 rows 243 cols
[2024-05-30 14:39:41] [INFO ] Computed 121 invariants in 1 ms
[2024-05-30 14:39:41] [INFO ] Implicit Places using invariants in 112 ms returned []
[2024-05-30 14:39:41] [INFO ] Invariant cache hit.
[2024-05-30 14:39:42] [INFO ] Implicit Places using invariants and state equation in 214 ms returned []
Implicit Place search using SMT with State Equation took 329 ms to find 0 implicit places.
Running 241 sub problems to find dead transitions.
[2024-05-30 14:39:42] [INFO ] Invariant cache hit.
At refinement iteration 0 (INCLUDED_ONLY) 0/242 variables, 242/242 constraints. Problems are: Problem set: 0 solved, 241 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/242 variables, 0/242 constraints. Problems are: Problem set: 0 solved, 241 unsolved
At refinement iteration 2 (OVERLAPS) 1/243 variables, 121/363 constraints. Problems are: Problem set: 0 solved, 241 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/243 variables, 1/364 constraints. Problems are: Problem set: 0 solved, 241 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/243 variables, 0/364 constraints. Problems are: Problem set: 0 solved, 241 unsolved
At refinement iteration 5 (OVERLAPS) 242/485 variables, 243/607 constraints. Problems are: Problem set: 0 solved, 241 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/485 variables, 0/607 constraints. Problems are: Problem set: 0 solved, 241 unsolved
At refinement iteration 7 (OVERLAPS) 0/485 variables, 0/607 constraints. Problems are: Problem set: 0 solved, 241 unsolved
No progress, stopping.
After SMT solving in domain Real declared 485/485 variables, and 607 constraints, problems are : Problem set: 0 solved, 241 unsolved in 8159 ms.
Refiners :[Domain max(s): 243/243 constraints, Positive P Invariants (semi-flows): 121/121 constraints, State Equation: 243/243 constraints, PredecessorRefiner: 241/241 constraints, Known Traps: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 241 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/242 variables, 242/242 constraints. Problems are: Problem set: 0 solved, 241 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/242 variables, 0/242 constraints. Problems are: Problem set: 0 solved, 241 unsolved
At refinement iteration 2 (OVERLAPS) 1/243 variables, 121/363 constraints. Problems are: Problem set: 0 solved, 241 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/243 variables, 1/364 constraints. Problems are: Problem set: 0 solved, 241 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/243 variables, 0/364 constraints. Problems are: Problem set: 0 solved, 241 unsolved
At refinement iteration 5 (OVERLAPS) 242/485 variables, 243/607 constraints. Problems are: Problem set: 0 solved, 241 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/485 variables, 241/848 constraints. Problems are: Problem set: 0 solved, 241 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/485 variables, 0/848 constraints. Problems are: Problem set: 0 solved, 241 unsolved
At refinement iteration 8 (OVERLAPS) 0/485 variables, 0/848 constraints. Problems are: Problem set: 0 solved, 241 unsolved
No progress, stopping.
After SMT solving in domain Int declared 485/485 variables, and 848 constraints, problems are : Problem set: 0 solved, 241 unsolved in 10411 ms.
Refiners :[Domain max(s): 243/243 constraints, Positive P Invariants (semi-flows): 121/121 constraints, State Equation: 243/243 constraints, PredecessorRefiner: 241/241 constraints, Known Traps: 0/0 constraints]
After SMT, in 18607ms problems are : Problem set: 0 solved, 241 unsolved
Search for dead transitions found 0 dead transitions in 18609ms
Finished structural reductions in LTL mode , in 1 iterations and 18944 ms. Remains : 243/243 places, 242/242 transitions.
Stuttering acceptance computed with spot in 228 ms :[(NOT p0), (AND p1 (NOT p0)), (AND p1 (NOT p0)), (NOT p0), (NOT p0)]
Running random walk in product with property : ShieldRVt-PT-030A-LTLCardinality-10
Product exploration explored 100000 steps with 25 reset in 356 ms.
Product exploration explored 100000 steps with 19 reset in 437 ms.
Computed a total of 1 stabilizing places and 1 stable transitions
Computed a total of 1 stabilizing places and 1 stable transitions
Knowledge obtained : [(AND p1 p0), (X (NOT (AND p1 (NOT p0)))), (X p0), (X p1), (X (X (NOT (AND p1 (NOT p0))))), (X (X (AND p1 p0))), (X (X p0)), (X (X p1))]
False Knowledge obtained : []
Knowledge sufficient to adopt a stutter insensitive property.
Knowledge based reduction with 8 factoid took 106 ms. Reduced automaton from 5 states, 9 edges and 2 AP (stutter sensitive) to 2 states, 4 edges and 2 AP (stutter insensitive).
Stuttering acceptance computed with spot in 79 ms :[(AND (NOT p0) p1), (AND (NOT p0) p1)]
RANDOM walk for 11271 steps (2 resets) in 119 ms. (93 steps per ms) remains 0/4 properties
Knowledge obtained : [(AND p1 p0), (X (NOT (AND p1 (NOT p0)))), (X p0), (X p1), (X (X (NOT (AND p1 (NOT p0))))), (X (X (AND p1 p0))), (X (X p0)), (X (X p1))]
False Knowledge obtained : [(F (NOT p1)), (F (NOT (OR p0 (NOT p1)))), (F (NOT (AND p0 p1))), (F (NOT p0))]
Knowledge based reduction with 8 factoid took 221 ms. Reduced automaton from 2 states, 4 edges and 2 AP (stutter insensitive) to 2 states, 4 edges and 2 AP (stutter insensitive).
Stuttering acceptance computed with spot in 97 ms :[(AND (NOT p0) p1), (AND (NOT p0) p1)]
Stuttering acceptance computed with spot in 73 ms :[(AND (NOT p0) p1), (AND (NOT p0) p1)]
Support contains 3 out of 243 places. Attempting structural reductions.
Starting structural reductions in SI_LTL mode, iteration 0 : 243/243 places, 242/242 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 242 transition count 241
Applied a total of 2 rules in 15 ms. Remains 242 /243 variables (removed 1) and now considering 241/242 (removed 1) transitions.
// Phase 1: matrix 241 rows 242 cols
[2024-05-30 14:40:02] [INFO ] Computed 121 invariants in 2 ms
[2024-05-30 14:40:02] [INFO ] Implicit Places using invariants in 121 ms returned [235]
Discarding 1 places :
Implicit Place search using SMT only with invariants took 122 ms to find 1 implicit places.
Starting structural reductions in SI_LTL mode, iteration 1 : 241/243 places, 241/242 transitions.
Applied a total of 0 rules in 6 ms. Remains 241 /241 variables (removed 0) and now considering 241/241 (removed 0) transitions.
Finished structural reductions in SI_LTL mode , in 2 iterations and 144 ms. Remains : 241/243 places, 241/242 transitions.
Computed a total of 1 stabilizing places and 1 stable transitions
Computed a total of 1 stabilizing places and 1 stable transitions
Knowledge obtained : [(AND p0 p1), (X (AND p0 p1)), (X p0), (X (NOT (AND (NOT p0) p1))), (X p1), (X (X (AND p0 p1))), (X (X p0)), (X (X (NOT (AND (NOT p0) p1)))), (X (X p1))]
False Knowledge obtained : []
Knowledge based reduction with 9 factoid took 84 ms. Reduced automaton from 2 states, 4 edges and 2 AP (stutter insensitive) to 2 states, 4 edges and 2 AP (stutter insensitive).
Stuttering acceptance computed with spot in 77 ms :[(AND (NOT p0) p1), (AND (NOT p0) p1)]
RANDOM walk for 14692 steps (3 resets) in 115 ms. (126 steps per ms) remains 0/4 properties
Knowledge obtained : [(AND p0 p1), (X (AND p0 p1)), (X p0), (X (NOT (AND (NOT p0) p1))), (X p1), (X (X (AND p0 p1))), (X (X p0)), (X (X (NOT (AND (NOT p0) p1)))), (X (X p1))]
False Knowledge obtained : [(F (NOT p1)), (F (NOT (OR p0 (NOT p1)))), (F (NOT (AND p0 p1))), (F (NOT p0))]
Knowledge based reduction with 9 factoid took 300 ms. Reduced automaton from 2 states, 4 edges and 2 AP (stutter insensitive) to 2 states, 4 edges and 2 AP (stutter insensitive).
Stuttering acceptance computed with spot in 79 ms :[(AND (NOT p0) p1), (AND (NOT p0) p1)]
Stuttering acceptance computed with spot in 88 ms :[(AND (NOT p0) p1), (AND (NOT p0) p1)]
Stuttering acceptance computed with spot in 79 ms :[(AND (NOT p0) p1), (AND (NOT p0) p1)]
Product exploration explored 100000 steps with 26 reset in 321 ms.
Product exploration explored 100000 steps with 22 reset in 374 ms.
Support contains 3 out of 241 places. Attempting structural reductions.
Starting structural reductions in SI_LTL mode, iteration 0 : 241/241 places, 241/241 transitions.
Applied a total of 0 rules in 5 ms. Remains 241 /241 variables (removed 0) and now considering 241/241 (removed 0) transitions.
// Phase 1: matrix 241 rows 241 cols
[2024-05-30 14:40:04] [INFO ] Computed 120 invariants in 4 ms
[2024-05-30 14:40:04] [INFO ] Implicit Places using invariants in 125 ms returned []
[2024-05-30 14:40:04] [INFO ] Invariant cache hit.
[2024-05-30 14:40:04] [INFO ] Implicit Places using invariants and state equation in 202 ms returned []
Implicit Place search using SMT with State Equation took 331 ms to find 0 implicit places.
[2024-05-30 14:40:04] [INFO ] Redundant transitions in 1 ms returned []
Running 240 sub problems to find dead transitions.
[2024-05-30 14:40:04] [INFO ] Invariant cache hit.
At refinement iteration 0 (INCLUDED_ONLY) 0/240 variables, 240/240 constraints. Problems are: Problem set: 0 solved, 240 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/240 variables, 0/240 constraints. Problems are: Problem set: 0 solved, 240 unsolved
At refinement iteration 2 (OVERLAPS) 1/241 variables, 120/360 constraints. Problems are: Problem set: 0 solved, 240 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/241 variables, 1/361 constraints. Problems are: Problem set: 0 solved, 240 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/241 variables, 0/361 constraints. Problems are: Problem set: 0 solved, 240 unsolved
At refinement iteration 5 (OVERLAPS) 241/482 variables, 241/602 constraints. Problems are: Problem set: 0 solved, 240 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/482 variables, 0/602 constraints. Problems are: Problem set: 0 solved, 240 unsolved
At refinement iteration 7 (OVERLAPS) 0/482 variables, 0/602 constraints. Problems are: Problem set: 0 solved, 240 unsolved
No progress, stopping.
After SMT solving in domain Real declared 482/482 variables, and 602 constraints, problems are : Problem set: 0 solved, 240 unsolved in 8589 ms.
Refiners :[Domain max(s): 241/241 constraints, Positive P Invariants (semi-flows): 120/120 constraints, State Equation: 241/241 constraints, PredecessorRefiner: 240/240 constraints, Known Traps: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 240 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/240 variables, 240/240 constraints. Problems are: Problem set: 0 solved, 240 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/240 variables, 0/240 constraints. Problems are: Problem set: 0 solved, 240 unsolved
At refinement iteration 2 (OVERLAPS) 1/241 variables, 120/360 constraints. Problems are: Problem set: 0 solved, 240 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/241 variables, 1/361 constraints. Problems are: Problem set: 0 solved, 240 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/241 variables, 0/361 constraints. Problems are: Problem set: 0 solved, 240 unsolved
At refinement iteration 5 (OVERLAPS) 241/482 variables, 241/602 constraints. Problems are: Problem set: 0 solved, 240 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/482 variables, 240/842 constraints. Problems are: Problem set: 0 solved, 240 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/482 variables, 0/842 constraints. Problems are: Problem set: 0 solved, 240 unsolved
At refinement iteration 8 (OVERLAPS) 0/482 variables, 0/842 constraints. Problems are: Problem set: 0 solved, 240 unsolved
No progress, stopping.
After SMT solving in domain Int declared 482/482 variables, and 842 constraints, problems are : Problem set: 0 solved, 240 unsolved in 10708 ms.
Refiners :[Domain max(s): 241/241 constraints, Positive P Invariants (semi-flows): 120/120 constraints, State Equation: 241/241 constraints, PredecessorRefiner: 240/240 constraints, Known Traps: 0/0 constraints]
After SMT, in 19335ms problems are : Problem set: 0 solved, 240 unsolved
Search for dead transitions found 0 dead transitions in 19338ms
Finished structural reductions in SI_LTL mode , in 1 iterations and 19680 ms. Remains : 241/241 places, 241/241 transitions.
Treatment of property ShieldRVt-PT-030A-LTLCardinality-10 finished in 42054 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) U (p1||(p2&&X(G(!p1)))))))'
Support contains 4 out of 243 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 243/243 places, 242/242 transitions.
Applied a total of 0 rules in 6 ms. Remains 243 /243 variables (removed 0) and now considering 242/242 (removed 0) transitions.
// Phase 1: matrix 242 rows 243 cols
[2024-05-30 14:40:23] [INFO ] Computed 121 invariants in 7 ms
[2024-05-30 14:40:24] [INFO ] Implicit Places using invariants in 127 ms returned []
[2024-05-30 14:40:24] [INFO ] Invariant cache hit.
[2024-05-30 14:40:24] [INFO ] Implicit Places using invariants and state equation in 207 ms returned []
Implicit Place search using SMT with State Equation took 335 ms to find 0 implicit places.
Running 241 sub problems to find dead transitions.
[2024-05-30 14:40:24] [INFO ] Invariant cache hit.
At refinement iteration 0 (INCLUDED_ONLY) 0/242 variables, 242/242 constraints. Problems are: Problem set: 0 solved, 241 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/242 variables, 0/242 constraints. Problems are: Problem set: 0 solved, 241 unsolved
At refinement iteration 2 (OVERLAPS) 1/243 variables, 121/363 constraints. Problems are: Problem set: 0 solved, 241 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/243 variables, 1/364 constraints. Problems are: Problem set: 0 solved, 241 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/243 variables, 0/364 constraints. Problems are: Problem set: 0 solved, 241 unsolved
At refinement iteration 5 (OVERLAPS) 242/485 variables, 243/607 constraints. Problems are: Problem set: 0 solved, 241 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/485 variables, 0/607 constraints. Problems are: Problem set: 0 solved, 241 unsolved
At refinement iteration 7 (OVERLAPS) 0/485 variables, 0/607 constraints. Problems are: Problem set: 0 solved, 241 unsolved
No progress, stopping.
After SMT solving in domain Real declared 485/485 variables, and 607 constraints, problems are : Problem set: 0 solved, 241 unsolved in 8113 ms.
Refiners :[Domain max(s): 243/243 constraints, Positive P Invariants (semi-flows): 121/121 constraints, State Equation: 243/243 constraints, PredecessorRefiner: 241/241 constraints, Known Traps: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 241 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/242 variables, 242/242 constraints. Problems are: Problem set: 0 solved, 241 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/242 variables, 0/242 constraints. Problems are: Problem set: 0 solved, 241 unsolved
At refinement iteration 2 (OVERLAPS) 1/243 variables, 121/363 constraints. Problems are: Problem set: 0 solved, 241 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/243 variables, 1/364 constraints. Problems are: Problem set: 0 solved, 241 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/243 variables, 0/364 constraints. Problems are: Problem set: 0 solved, 241 unsolved
At refinement iteration 5 (OVERLAPS) 242/485 variables, 243/607 constraints. Problems are: Problem set: 0 solved, 241 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/485 variables, 241/848 constraints. Problems are: Problem set: 0 solved, 241 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/485 variables, 0/848 constraints. Problems are: Problem set: 0 solved, 241 unsolved
At refinement iteration 8 (OVERLAPS) 0/485 variables, 0/848 constraints. Problems are: Problem set: 0 solved, 241 unsolved
No progress, stopping.
After SMT solving in domain Int declared 485/485 variables, and 848 constraints, problems are : Problem set: 0 solved, 241 unsolved in 9968 ms.
Refiners :[Domain max(s): 243/243 constraints, Positive P Invariants (semi-flows): 121/121 constraints, State Equation: 243/243 constraints, PredecessorRefiner: 241/241 constraints, Known Traps: 0/0 constraints]
After SMT, in 18119ms problems are : Problem set: 0 solved, 241 unsolved
Search for dead transitions found 0 dead transitions in 18121ms
Finished structural reductions in LTL mode , in 1 iterations and 18465 ms. Remains : 243/243 places, 242/242 transitions.
Stuttering acceptance computed with spot in 219 ms :[(AND (NOT p1) (NOT p2)), (AND (NOT p1) (NOT p2)), true, (NOT p0), p1, (AND (NOT p0) p1)]
Running random walk in product with property : ShieldRVt-PT-030A-LTLCardinality-11
Entered a terminal (fully accepting) state of product in 2319 steps with 0 reset in 13 ms.
FORMULA ShieldRVt-PT-030A-LTLCardinality-11 FALSE TECHNIQUES STUTTER_TEST
Treatment of property ShieldRVt-PT-030A-LTLCardinality-11 finished in 18728 ms.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202405141337/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!(F(G(p0)))'
Support contains 1 out of 243 places. Attempting structural reductions.
Starting structural reductions in SI_LTL mode, iteration 0 : 243/243 places, 242/242 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 242 transition count 241
Applied a total of 2 rules in 12 ms. Remains 242 /243 variables (removed 1) and now considering 241/242 (removed 1) transitions.
// Phase 1: matrix 241 rows 242 cols
[2024-05-30 14:40:42] [INFO ] Computed 121 invariants in 3 ms
[2024-05-30 14:40:42] [INFO ] Implicit Places using invariants in 114 ms returned [235]
Discarding 1 places :
Implicit Place search using SMT only with invariants took 115 ms to find 1 implicit places.
Starting structural reductions in SI_LTL mode, iteration 1 : 241/243 places, 241/242 transitions.
Applied a total of 0 rules in 5 ms. Remains 241 /241 variables (removed 0) and now considering 241/241 (removed 0) transitions.
Finished structural reductions in SI_LTL mode , in 2 iterations and 134 ms. Remains : 241/243 places, 241/242 transitions.
Stuttering acceptance computed with spot in 28 ms :[(NOT p0)]
Running random walk in product with property : ShieldRVt-PT-030A-LTLCardinality-12
Product exploration explored 100000 steps with 0 reset in 312 ms.
Product exploration explored 100000 steps with 0 reset in 380 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 p0), (X (X p0))]
False Knowledge obtained : []
Knowledge based reduction with 3 factoid took 105 ms. Reduced automaton from 1 states, 2 edges and 1 AP (stutter insensitive) to 1 states, 2 edges and 1 AP (stutter insensitive).
Stuttering acceptance computed with spot in 40 ms :[(NOT p0)]
RANDOM walk for 4 steps (0 resets) in 5 ms. (0 steps per ms) remains 0/1 properties
Knowledge obtained : [(NOT p0), (X p0), (X (X p0))]
False Knowledge obtained : [(F p0)]
Knowledge based reduction with 3 factoid took 92 ms. Reduced automaton from 1 states, 2 edges and 1 AP (stutter insensitive) to 1 states, 2 edges and 1 AP (stutter insensitive).
Stuttering acceptance computed with spot in 38 ms :[(NOT p0)]
Stuttering acceptance computed with spot in 26 ms :[(NOT p0)]
// Phase 1: matrix 241 rows 241 cols
[2024-05-30 14:40:43] [INFO ] Computed 120 invariants in 3 ms
[2024-05-30 14:40:43] [INFO ] [Real]Absence check using 120 positive place invariants in 20 ms returned sat
[2024-05-30 14:40:44] [INFO ] [Real]Absence check using state equation in 98 ms returned sat
[2024-05-30 14:40:44] [INFO ] Computed and/alt/rep : 240/1043/240 causal constraints (skipped 0 transitions) in 25 ms.
[2024-05-30 14:40:44] [INFO ] Added : 0 causal constraints over 0 iterations in 52 ms. Result :sat
Could not prove EG (NOT p0)
Support contains 1 out of 241 places. Attempting structural reductions.
Starting structural reductions in SI_LTL mode, iteration 0 : 241/241 places, 241/241 transitions.
Applied a total of 0 rules in 6 ms. Remains 241 /241 variables (removed 0) and now considering 241/241 (removed 0) transitions.
[2024-05-30 14:40:44] [INFO ] Invariant cache hit.
[2024-05-30 14:40:44] [INFO ] Implicit Places using invariants in 122 ms returned []
[2024-05-30 14:40:44] [INFO ] Invariant cache hit.
[2024-05-30 14:40:44] [INFO ] Implicit Places using invariants and state equation in 202 ms returned []
Implicit Place search using SMT with State Equation took 326 ms to find 0 implicit places.
[2024-05-30 14:40:44] [INFO ] Redundant transitions in 1 ms returned []
Running 240 sub problems to find dead transitions.
[2024-05-30 14:40:44] [INFO ] Invariant cache hit.
At refinement iteration 0 (INCLUDED_ONLY) 0/240 variables, 240/240 constraints. Problems are: Problem set: 0 solved, 240 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/240 variables, 0/240 constraints. Problems are: Problem set: 0 solved, 240 unsolved
At refinement iteration 2 (OVERLAPS) 1/241 variables, 120/360 constraints. Problems are: Problem set: 0 solved, 240 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/241 variables, 1/361 constraints. Problems are: Problem set: 0 solved, 240 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/241 variables, 0/361 constraints. Problems are: Problem set: 0 solved, 240 unsolved
At refinement iteration 5 (OVERLAPS) 241/482 variables, 241/602 constraints. Problems are: Problem set: 0 solved, 240 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/482 variables, 0/602 constraints. Problems are: Problem set: 0 solved, 240 unsolved
At refinement iteration 7 (OVERLAPS) 0/482 variables, 0/602 constraints. Problems are: Problem set: 0 solved, 240 unsolved
No progress, stopping.
After SMT solving in domain Real declared 482/482 variables, and 602 constraints, problems are : Problem set: 0 solved, 240 unsolved in 8350 ms.
Refiners :[Domain max(s): 241/241 constraints, Positive P Invariants (semi-flows): 120/120 constraints, State Equation: 241/241 constraints, PredecessorRefiner: 240/240 constraints, Known Traps: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 240 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/240 variables, 240/240 constraints. Problems are: Problem set: 0 solved, 240 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/240 variables, 0/240 constraints. Problems are: Problem set: 0 solved, 240 unsolved
At refinement iteration 2 (OVERLAPS) 1/241 variables, 120/360 constraints. Problems are: Problem set: 0 solved, 240 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/241 variables, 1/361 constraints. Problems are: Problem set: 0 solved, 240 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/241 variables, 0/361 constraints. Problems are: Problem set: 0 solved, 240 unsolved
At refinement iteration 5 (OVERLAPS) 241/482 variables, 241/602 constraints. Problems are: Problem set: 0 solved, 240 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/482 variables, 240/842 constraints. Problems are: Problem set: 0 solved, 240 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/482 variables, 0/842 constraints. Problems are: Problem set: 0 solved, 240 unsolved
At refinement iteration 8 (OVERLAPS) 0/482 variables, 0/842 constraints. Problems are: Problem set: 0 solved, 240 unsolved
No progress, stopping.
After SMT solving in domain Int declared 482/482 variables, and 842 constraints, problems are : Problem set: 0 solved, 240 unsolved in 10628 ms.
Refiners :[Domain max(s): 241/241 constraints, Positive P Invariants (semi-flows): 120/120 constraints, State Equation: 241/241 constraints, PredecessorRefiner: 240/240 constraints, Known Traps: 0/0 constraints]
After SMT, in 19018ms problems are : Problem set: 0 solved, 240 unsolved
Search for dead transitions found 0 dead transitions in 19020ms
Finished structural reductions in SI_LTL mode , in 1 iterations and 19360 ms. Remains : 241/241 places, 241/241 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 p0), (X (X p0))]
False Knowledge obtained : []
Knowledge based reduction with 3 factoid took 95 ms. Reduced automaton from 1 states, 2 edges and 1 AP (stutter insensitive) to 1 states, 2 edges and 1 AP (stutter insensitive).
Stuttering acceptance computed with spot in 45 ms :[(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 p0), (X (X p0))]
False Knowledge obtained : [(F p0)]
Knowledge based reduction with 3 factoid took 132 ms. Reduced automaton from 1 states, 2 edges and 1 AP (stutter insensitive) to 1 states, 2 edges and 1 AP (stutter insensitive).
Stuttering acceptance computed with spot in 48 ms :[(NOT p0)]
Stuttering acceptance computed with spot in 33 ms :[(NOT p0)]
[2024-05-30 14:41:03] [INFO ] Invariant cache hit.
[2024-05-30 14:41:03] [INFO ] [Real]Absence check using 120 positive place invariants in 19 ms returned sat
[2024-05-30 14:41:04] [INFO ] [Real]Absence check using state equation in 60 ms returned sat
[2024-05-30 14:41:04] [INFO ] Computed and/alt/rep : 240/1043/240 causal constraints (skipped 0 transitions) in 21 ms.
[2024-05-30 14:41:04] [INFO ] Added : 0 causal constraints over 0 iterations in 42 ms. Result :sat
Could not prove EG (NOT p0)
Stuttering acceptance computed with spot in 144 ms :[(NOT p0)]
Product exploration explored 100000 steps with 0 reset in 347 ms.
Product exploration explored 100000 steps with 0 reset in 434 ms.
Support contains 1 out of 241 places. Attempting structural reductions.
Starting structural reductions in SI_LTL mode, iteration 0 : 241/241 places, 241/241 transitions.
Applied a total of 0 rules in 5 ms. Remains 241 /241 variables (removed 0) and now considering 241/241 (removed 0) transitions.
[2024-05-30 14:41:05] [INFO ] Invariant cache hit.
[2024-05-30 14:41:05] [INFO ] Implicit Places using invariants in 120 ms returned []
[2024-05-30 14:41:05] [INFO ] Invariant cache hit.
[2024-05-30 14:41:05] [INFO ] Implicit Places using invariants and state equation in 199 ms returned []
Implicit Place search using SMT with State Equation took 321 ms to find 0 implicit places.
[2024-05-30 14:41:05] [INFO ] Redundant transitions in 1 ms returned []
Running 240 sub problems to find dead transitions.
[2024-05-30 14:41:05] [INFO ] Invariant cache hit.
At refinement iteration 0 (INCLUDED_ONLY) 0/240 variables, 240/240 constraints. Problems are: Problem set: 0 solved, 240 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/240 variables, 0/240 constraints. Problems are: Problem set: 0 solved, 240 unsolved
At refinement iteration 2 (OVERLAPS) 1/241 variables, 120/360 constraints. Problems are: Problem set: 0 solved, 240 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/241 variables, 1/361 constraints. Problems are: Problem set: 0 solved, 240 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/241 variables, 0/361 constraints. Problems are: Problem set: 0 solved, 240 unsolved
At refinement iteration 5 (OVERLAPS) 241/482 variables, 241/602 constraints. Problems are: Problem set: 0 solved, 240 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/482 variables, 0/602 constraints. Problems are: Problem set: 0 solved, 240 unsolved
At refinement iteration 7 (OVERLAPS) 0/482 variables, 0/602 constraints. Problems are: Problem set: 0 solved, 240 unsolved
No progress, stopping.
After SMT solving in domain Real declared 482/482 variables, and 602 constraints, problems are : Problem set: 0 solved, 240 unsolved in 8309 ms.
Refiners :[Domain max(s): 241/241 constraints, Positive P Invariants (semi-flows): 120/120 constraints, State Equation: 241/241 constraints, PredecessorRefiner: 240/240 constraints, Known Traps: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 240 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/240 variables, 240/240 constraints. Problems are: Problem set: 0 solved, 240 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/240 variables, 0/240 constraints. Problems are: Problem set: 0 solved, 240 unsolved
At refinement iteration 2 (OVERLAPS) 1/241 variables, 120/360 constraints. Problems are: Problem set: 0 solved, 240 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/241 variables, 1/361 constraints. Problems are: Problem set: 0 solved, 240 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/241 variables, 0/361 constraints. Problems are: Problem set: 0 solved, 240 unsolved
At refinement iteration 5 (OVERLAPS) 241/482 variables, 241/602 constraints. Problems are: Problem set: 0 solved, 240 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/482 variables, 240/842 constraints. Problems are: Problem set: 0 solved, 240 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/482 variables, 0/842 constraints. Problems are: Problem set: 0 solved, 240 unsolved
At refinement iteration 8 (OVERLAPS) 0/482 variables, 0/842 constraints. Problems are: Problem set: 0 solved, 240 unsolved
No progress, stopping.
After SMT solving in domain Int declared 482/482 variables, and 842 constraints, problems are : Problem set: 0 solved, 240 unsolved in 10403 ms.
Refiners :[Domain max(s): 241/241 constraints, Positive P Invariants (semi-flows): 120/120 constraints, State Equation: 241/241 constraints, PredecessorRefiner: 240/240 constraints, Known Traps: 0/0 constraints]
After SMT, in 18762ms problems are : Problem set: 0 solved, 240 unsolved
Search for dead transitions found 0 dead transitions in 18765ms
Finished structural reductions in SI_LTL mode , in 1 iterations and 19098 ms. Remains : 241/241 places, 241/241 transitions.
Treatment of property ShieldRVt-PT-030A-LTLCardinality-12 finished in 41554 ms.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202405141337/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!(((p0 U p1)&&G(F(p2))))'
Support contains 6 out of 243 places. Attempting structural reductions.
Starting structural reductions in SI_LTL mode, iteration 0 : 243/243 places, 242/242 transitions.
Performed 1 Post agglomeration using F-continuation condition.Transition count delta: 1
Deduced a syphon composed of 1 places in 1 ms
Reduce places removed 1 places and 0 transitions.
Iterating global reduction 0 with 2 rules applied. Total rules applied 2 place count 242 transition count 241
Applied a total of 2 rules in 12 ms. Remains 242 /243 variables (removed 1) and now considering 241/242 (removed 1) transitions.
// Phase 1: matrix 241 rows 242 cols
[2024-05-30 14:41:24] [INFO ] Computed 121 invariants in 3 ms
[2024-05-30 14:41:24] [INFO ] Implicit Places using invariants in 120 ms returned [235]
Discarding 1 places :
Implicit Place search using SMT only with invariants took 121 ms to find 1 implicit places.
Starting structural reductions in SI_LTL mode, iteration 1 : 241/243 places, 241/242 transitions.
Applied a total of 0 rules in 5 ms. Remains 241 /241 variables (removed 0) and now considering 241/241 (removed 0) transitions.
Finished structural reductions in SI_LTL mode , in 2 iterations and 138 ms. Remains : 241/243 places, 241/242 transitions.
Stuttering acceptance computed with spot in 161 ms :[(OR (NOT p1) (NOT p2)), true, (NOT p1), (NOT p2), (NOT p2)]
Running random walk in product with property : ShieldRVt-PT-030A-LTLCardinality-13
Product exploration explored 100000 steps with 9904 reset in 389 ms.
Stack based approach found an accepted trace after 605 steps with 58 reset with depth 20 and stack size 20 in 3 ms.
FORMULA ShieldRVt-PT-030A-LTLCardinality-13 FALSE TECHNIQUES STACK_TEST
Treatment of property ShieldRVt-PT-030A-LTLCardinality-13 finished in 708 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 243 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 243/243 places, 242/242 transitions.
Applied a total of 0 rules in 2 ms. Remains 243 /243 variables (removed 0) and now considering 242/242 (removed 0) transitions.
// Phase 1: matrix 242 rows 243 cols
[2024-05-30 14:41:24] [INFO ] Computed 121 invariants in 1 ms
[2024-05-30 14:41:24] [INFO ] Implicit Places using invariants in 113 ms returned []
[2024-05-30 14:41:25] [INFO ] Invariant cache hit.
[2024-05-30 14:41:25] [INFO ] Implicit Places using invariants and state equation in 209 ms returned []
Implicit Place search using SMT with State Equation took 342 ms to find 0 implicit places.
Running 241 sub problems to find dead transitions.
[2024-05-30 14:41:25] [INFO ] Invariant cache hit.
At refinement iteration 0 (INCLUDED_ONLY) 0/242 variables, 242/242 constraints. Problems are: Problem set: 0 solved, 241 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/242 variables, 0/242 constraints. Problems are: Problem set: 0 solved, 241 unsolved
At refinement iteration 2 (OVERLAPS) 1/243 variables, 121/363 constraints. Problems are: Problem set: 0 solved, 241 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/243 variables, 1/364 constraints. Problems are: Problem set: 0 solved, 241 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/243 variables, 0/364 constraints. Problems are: Problem set: 0 solved, 241 unsolved
At refinement iteration 5 (OVERLAPS) 242/485 variables, 243/607 constraints. Problems are: Problem set: 0 solved, 241 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/485 variables, 0/607 constraints. Problems are: Problem set: 0 solved, 241 unsolved
At refinement iteration 7 (OVERLAPS) 0/485 variables, 0/607 constraints. Problems are: Problem set: 0 solved, 241 unsolved
No progress, stopping.
After SMT solving in domain Real declared 485/485 variables, and 607 constraints, problems are : Problem set: 0 solved, 241 unsolved in 8093 ms.
Refiners :[Domain max(s): 243/243 constraints, Positive P Invariants (semi-flows): 121/121 constraints, State Equation: 243/243 constraints, PredecessorRefiner: 241/241 constraints, Known Traps: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 241 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/242 variables, 242/242 constraints. Problems are: Problem set: 0 solved, 241 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/242 variables, 0/242 constraints. Problems are: Problem set: 0 solved, 241 unsolved
At refinement iteration 2 (OVERLAPS) 1/243 variables, 121/363 constraints. Problems are: Problem set: 0 solved, 241 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/243 variables, 1/364 constraints. Problems are: Problem set: 0 solved, 241 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/243 variables, 0/364 constraints. Problems are: Problem set: 0 solved, 241 unsolved
At refinement iteration 5 (OVERLAPS) 242/485 variables, 243/607 constraints. Problems are: Problem set: 0 solved, 241 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/485 variables, 241/848 constraints. Problems are: Problem set: 0 solved, 241 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/485 variables, 0/848 constraints. Problems are: Problem set: 0 solved, 241 unsolved
At refinement iteration 8 (OVERLAPS) 0/485 variables, 0/848 constraints. Problems are: Problem set: 0 solved, 241 unsolved
No progress, stopping.
After SMT solving in domain Int declared 485/485 variables, and 848 constraints, problems are : Problem set: 0 solved, 241 unsolved in 10524 ms.
Refiners :[Domain max(s): 243/243 constraints, Positive P Invariants (semi-flows): 121/121 constraints, State Equation: 243/243 constraints, PredecessorRefiner: 241/241 constraints, Known Traps: 0/0 constraints]
After SMT, in 18649ms problems are : Problem set: 0 solved, 241 unsolved
Search for dead transitions found 0 dead transitions in 18651ms
Finished structural reductions in LTL mode , in 1 iterations and 18996 ms. Remains : 243/243 places, 242/242 transitions.
Stuttering acceptance computed with spot in 83 ms :[true, (NOT p0), (NOT p0)]
Running random walk in product with property : ShieldRVt-PT-030A-LTLCardinality-14
Entered a terminal (fully accepting) state of product in 4 steps with 0 reset in 0 ms.
FORMULA ShieldRVt-PT-030A-LTLCardinality-14 FALSE TECHNIQUES STUTTER_TEST
Treatment of property ShieldRVt-PT-030A-LTLCardinality-14 finished in 19094 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)))'
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202405141337/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!(F(G(p0)))'
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((G(p0)||(p0&&G(F(!p1)))))))'
Found a Shortening insensitive property : ShieldRVt-PT-030A-LTLCardinality-10
Stuttering acceptance computed with spot in 212 ms :[(NOT p0), (AND p1 (NOT p0)), (AND p1 (NOT p0)), (NOT p0), (NOT p0)]
Support contains 3 out of 243 places. Attempting structural reductions.
Starting structural reductions in LI_LTL mode, iteration 0 : 243/243 places, 242/242 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 242 transition count 241
Applied a total of 2 rules in 14 ms. Remains 242 /243 variables (removed 1) and now considering 241/242 (removed 1) transitions.
// Phase 1: matrix 241 rows 242 cols
[2024-05-30 14:41:44] [INFO ] Computed 121 invariants in 2 ms
[2024-05-30 14:41:44] [INFO ] Implicit Places using invariants in 126 ms returned [235]
Discarding 1 places :
Implicit Place search using SMT only with invariants took 128 ms to find 1 implicit places.
Starting structural reductions in LI_LTL mode, iteration 1 : 241/243 places, 241/242 transitions.
Applied a total of 0 rules in 4 ms. Remains 241 /241 variables (removed 0) and now considering 241/241 (removed 0) transitions.
Finished structural reductions in LI_LTL mode , in 2 iterations and 147 ms. Remains : 241/243 places, 241/242 transitions.
Running random walk in product with property : ShieldRVt-PT-030A-LTLCardinality-10
Product exploration explored 100000 steps with 17 reset in 352 ms.
Stack based approach found an accepted trace after 25599 steps with 2 reset with depth 5207 and stack size 1830 in 101 ms.
Treatment of property ShieldRVt-PT-030A-LTLCardinality-10 finished in 923 ms.
Length sensitive decision was in the wrong direction : Shortening insensitive + false
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202405141337/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!(F(G(p0)))'
[2024-05-30 14:41:45] [INFO ] Flatten gal took : 19 ms
[2024-05-30 14:41:45] [INFO ] Export to MCC of 4 properties in file /home/mcc/execution/LTLCardinality.sr.xml took 2 ms.
[2024-05-30 14:41:45] [INFO ] Export to PNML in file /home/mcc/execution/model.sr.pnml of net with 243 places, 242 transitions and 1024 arcs took 4 ms.
Total runtime 304116 ms.
There are residual formulas that ITS could not solve within timeout
----------------------------------------------------------------------
GreatSPN-meddly tool, MCC 2023
----------------------------------------------------------------------

Running ShieldRVt-PT-030A

IS_COLORED=
IS_NUPN=

LOADING PETRI NET FILE /home/mcc/execution/413/model.pnml (PNML) ...
PNML VERSION 2009, P/T NET.
COLOR CLASSES: 0
CONSTANTS: 0
PLACES: 243
TRANSITIONS: 242
COLOR VARS: 0
MEASURES: 0
LOADING TIME: [User 0.004s, Sys 0.002s]


SAVING FILE /home/mcc/execution/413/model (.net / .def) ...
EXPORT TIME: [User 0.001s, Sys 0.000s]


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

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

Process ID: 1350
MODEL NAME: /home/mcc/execution/413/model
243 places, 242 transitions.

Creating all event NSFs..
Creating all event NSFs..
Creating all event NSFs..
Creating all event NSFs..
Split: SplitSubtract
Start RS construction.
Split: SplitSubtract
Start RS construction.
Building monolithic NSF...
FORMULA ShieldRVt-PT-030A-LTLCardinality-12 FALSE TECHNIQUES DECISION_DIAGRAMS PARALLEL_PROCESSING UNFOLDING_TO_PT USE_NUPN TOPOLOGICAL
FORMULA ShieldRVt-PT-030A-LTLCardinality-10 FALSE TECHNIQUES DECISION_DIAGRAMS PARALLEL_PROCESSING UNFOLDING_TO_PT USE_NUPN TOPOLOGICAL
FORMULA ShieldRVt-PT-030A-LTLCardinality-05 FALSE TECHNIQUES DECISION_DIAGRAMS PARALLEL_PROCESSING UNFOLDING_TO_PT USE_NUPN TOPOLOGICAL
FORMULA ShieldRVt-PT-030A-LTLCardinality-08 FALSE TECHNIQUES DECISION_DIAGRAMS PARALLEL_PROCESSING UNFOLDING_TO_PT USE_NUPN TOPOLOGICAL
Ok.
EXITCODE: 0
----------------------------------------------------------------------

BK_STOP 1717080106394

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

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

Sequence of Actions to be Executed by the VM

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

set -x
# this is for BenchKit: configuration of major elements for the test
export BK_INPUT="ShieldRVt-PT-030A"
export BK_EXAMINATION="LTLCardinality"
export BK_TOOL="greatspnxred"
export BK_RESULT_DIR="/tmp/BK_RESULTS/OUTPUTS"
export BK_TIME_CONFINEMENT="3600"
export BK_MEMORY_CONFINEMENT="16384"
export BK_BIN_PATH="/home/mcc/BenchKit/bin/"

# this is specific to your benchmark or test

export BIN_DIR="$HOME/BenchKit/bin"

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

# this is for BenchKit: explicit launching of the test
echo "====================================================================="
echo " Generated by BenchKit 2-5568"
echo " Executing tool greatspnxred"
echo " Input is ShieldRVt-PT-030A, examination is LTLCardinality"
echo " Time confinement is $BK_TIME_CONFINEMENT seconds"
echo " Memory confinement is 16384 MBytes"
echo " Number of cores is 4"
echo " Run identifier is r355-tall-171683760000995"
echo "====================================================================="
echo
echo "--------------------"
echo "preparation of the directory to be used:"

tar xzf /home/mcc/BenchKit/INPUTS/ShieldRVt-PT-030A.tgz
mv ShieldRVt-PT-030A execution
cd execution
if [ "LTLCardinality" = "ReachabilityDeadlock" ] || [ "LTLCardinality" = "UpperBounds" ] || [ "LTLCardinality" = "QuasiLiveness" ] || [ "LTLCardinality" = "StableMarking" ] || [ "LTLCardinality" = "Liveness" ] || [ "LTLCardinality" = "OneSafe" ] || [ "LTLCardinality" = "StateSpace" ]; then
rm -f GenericPropertiesVerdict.xml
fi
pwd
ls -lh

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