Execution Chart

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

Trace from the execution

Formatting '/data/fkordon/mcc2023-input.r389-oct2-167903713700540.qcow2', fmt=qcow2 cluster_size=65536 extended_l2=off compression_type=zlib size=4294967296 backing_file=/data/fkordon/mcc2023-input.qcow2 backing_fmt=qcow2 lazy_refcounts=off refcount_bits=16
Waiting for the VM to be ready (probing ssh)
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=====================================================================
Generated by BenchKit 2-5348
Executing tool itstools
Input is ShieldPPPt-PT-001B, examination is LTLFireability
Time confinement is 3600 seconds
Memory confinement is 16384 MBytes
Number of cores is 4
Run identifier is r389-oct2-167903713700540
=====================================================================

--------------------
preparation of the directory to be used:
/home/mcc/execution
total 476K
-rw-r--r-- 1 mcc users 7.8K Feb 25 21:00 CTLCardinality.txt
-rw-r--r-- 1 mcc users 90K Feb 25 21:00 CTLCardinality.xml
-rw-r--r-- 1 mcc users 6.5K Feb 25 20:59 CTLFireability.txt
-rw-r--r-- 1 mcc users 68K Feb 25 20:59 CTLFireability.xml
-rw-r--r-- 1 mcc users 4.2K Jan 29 11:41 GenericPropertiesDefinition.xml
-rw-r--r-- 1 mcc users 6.6K Jan 29 11:41 GenericPropertiesVerdict.xml
-rw-r--r-- 1 mcc users 3.3K Feb 25 16:59 LTLCardinality.txt
-rw-r--r-- 1 mcc users 24K Feb 25 16:59 LTLCardinality.xml
-rw-r--r-- 1 mcc users 2.1K Feb 25 16:59 LTLFireability.txt
-rw-r--r-- 1 mcc users 16K Feb 25 16:59 LTLFireability.xml
-rw-r--r-- 1 mcc users 11K Feb 25 21:01 ReachabilityCardinality.txt
-rw-r--r-- 1 mcc users 118K Feb 25 21:01 ReachabilityCardinality.xml
-rw-r--r-- 1 mcc users 6.8K Feb 25 21:00 ReachabilityFireability.txt
-rw-r--r-- 1 mcc users 56K Feb 25 21:00 ReachabilityFireability.xml
-rw-r--r-- 1 mcc users 1.6K Feb 25 16:59 UpperBounds.txt
-rw-r--r-- 1 mcc users 3.7K Feb 25 16:59 UpperBounds.xml
-rw-r--r-- 1 mcc users 6 Mar 5 18:23 equiv_col
-rw-r--r-- 1 mcc users 5 Mar 5 18:23 instance
-rw-r--r-- 1 mcc users 6 Mar 5 18:23 iscolored
-rw-r--r-- 1 mcc users 19K Mar 5 18:23 model.pnml

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

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

The expected result is a vector of booleans
BOOL_VECTOR

here is the order used to build the result vector(from text file)
FORMULA_NAME ShieldPPPt-PT-001B-LTLFireability-00
FORMULA_NAME ShieldPPPt-PT-001B-LTLFireability-01
FORMULA_NAME ShieldPPPt-PT-001B-LTLFireability-02
FORMULA_NAME ShieldPPPt-PT-001B-LTLFireability-03
FORMULA_NAME ShieldPPPt-PT-001B-LTLFireability-04
FORMULA_NAME ShieldPPPt-PT-001B-LTLFireability-05
FORMULA_NAME ShieldPPPt-PT-001B-LTLFireability-06
FORMULA_NAME ShieldPPPt-PT-001B-LTLFireability-07
FORMULA_NAME ShieldPPPt-PT-001B-LTLFireability-08
FORMULA_NAME ShieldPPPt-PT-001B-LTLFireability-09
FORMULA_NAME ShieldPPPt-PT-001B-LTLFireability-10
FORMULA_NAME ShieldPPPt-PT-001B-LTLFireability-11
FORMULA_NAME ShieldPPPt-PT-001B-LTLFireability-12
FORMULA_NAME ShieldPPPt-PT-001B-LTLFireability-13
FORMULA_NAME ShieldPPPt-PT-001B-LTLFireability-14
FORMULA_NAME ShieldPPPt-PT-001B-LTLFireability-15

=== Now, execution of the tool begins

BK_START 1679213068957

bash -c /home/mcc/BenchKit/BenchKit_head.sh 2> STDERR ; echo ; echo -n "BK_STOP " ; date -u +%s%3N
Invoking MCC driver with
BK_TOOL=itstools
BK_EXAMINATION=LTLFireability
BK_BIN_PATH=/home/mcc/BenchKit/bin/
BK_TIME_CONFINEMENT=3600
BK_INPUT=ShieldPPPt-PT-001B
Not applying reductions.
Model is PT
LTLFireability PT
Running Version 202303021504
[2023-03-19 08:04:31] [INFO ] Running its-tools with arguments : [-pnfolder, /home/mcc/execution, -examination, LTLFireability, -its, -ltsmin, -greatspnpath, /home/mcc/BenchKit/bin//../itstools/bin//..//greatspn/, -order, META, -manyOrder, -smt, -timeout, 3600]
[2023-03-19 08:04:31] [INFO ] Parsing pnml file : /home/mcc/execution/model.pnml
[2023-03-19 08:04:32] [INFO ] Load time of PNML (sax parser for PT used): 104 ms
[2023-03-19 08:04:32] [INFO ] Transformed 81 places.
[2023-03-19 08:04:32] [INFO ] Transformed 74 transitions.
[2023-03-19 08:04:32] [INFO ] Found NUPN structural information;
[2023-03-19 08:04:32] [INFO ] Parsed PT model containing 81 places and 74 transitions and 184 arcs in 284 ms.
Parsed 16 properties from file /home/mcc/execution/LTLFireability.xml in 13 ms.
Working with output stream class java.io.PrintStream
Support contains 37 out of 81 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 81/81 places, 74/74 transitions.
Discarding 4 places :
Symmetric choice reduction at 0 with 4 rule applications. Total rules 4 place count 77 transition count 70
Iterating global reduction 0 with 4 rules applied. Total rules applied 8 place count 77 transition count 70
Applied a total of 8 rules in 47 ms. Remains 77 /81 variables (removed 4) and now considering 70/74 (removed 4) transitions.
// Phase 1: matrix 70 rows 77 cols
[2023-03-19 08:04:32] [INFO ] Computed 12 place invariants in 24 ms
[2023-03-19 08:04:32] [INFO ] Implicit Places using invariants in 412 ms returned []
[2023-03-19 08:04:32] [INFO ] Invariant cache hit.
[2023-03-19 08:04:32] [INFO ] Implicit Places using invariants and state equation in 144 ms returned []
Implicit Place search using SMT with State Equation took 632 ms to find 0 implicit places.
[2023-03-19 08:04:32] [INFO ] Invariant cache hit.
[2023-03-19 08:04:33] [INFO ] Dead Transitions using invariants and state equation in 221 ms found 0 transitions.
Starting structural reductions in LTL mode, iteration 1 : 77/81 places, 70/74 transitions.
Finished structural reductions in LTL mode , in 1 iterations and 902 ms. Remains : 77/81 places, 70/74 transitions.
Support contains 37 out of 77 places after structural reductions.
[2023-03-19 08:04:33] [INFO ] Flatten gal took : 30 ms
[2023-03-19 08:04:33] [INFO ] Flatten gal took : 8 ms
[2023-03-19 08:04:33] [INFO ] Input system was already deterministic with 70 transitions.
Support contains 36 out of 77 places (down from 37) after GAL structural reductions.
Finished random walk after 1821 steps, including 1 resets, run visited all 27 properties in 109 ms. (steps per millisecond=16 )
Computed a total of 19 stabilizing places and 19 stable transitions
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202303021504/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!(X((X(F(p0))&&G(p1))))'
Support contains 3 out of 77 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 77/77 places, 70/70 transitions.
Discarding 8 places :
Symmetric choice reduction at 0 with 8 rule applications. Total rules 8 place count 69 transition count 62
Iterating global reduction 0 with 8 rules applied. Total rules applied 16 place count 69 transition count 62
Discarding 1 places :
Symmetric choice reduction at 0 with 1 rule applications. Total rules 17 place count 68 transition count 61
Iterating global reduction 0 with 1 rules applied. Total rules applied 18 place count 68 transition count 61
Applied a total of 18 rules in 6 ms. Remains 68 /77 variables (removed 9) and now considering 61/70 (removed 9) transitions.
// Phase 1: matrix 61 rows 68 cols
[2023-03-19 08:04:34] [INFO ] Computed 12 place invariants in 1 ms
[2023-03-19 08:04:34] [INFO ] Implicit Places using invariants in 137 ms returned []
[2023-03-19 08:04:34] [INFO ] Invariant cache hit.
[2023-03-19 08:04:34] [INFO ] Implicit Places using invariants and state equation in 246 ms returned []
Implicit Place search using SMT with State Equation took 387 ms to find 0 implicit places.
[2023-03-19 08:04:34] [INFO ] Invariant cache hit.
[2023-03-19 08:04:34] [INFO ] Dead Transitions using invariants and state equation in 74 ms found 0 transitions.
Starting structural reductions in LTL mode, iteration 1 : 68/77 places, 61/70 transitions.
Finished structural reductions in LTL mode , in 1 iterations and 470 ms. Remains : 68/77 places, 61/70 transitions.
Stuttering acceptance computed with spot in 514 ms :[(NOT p1), (OR (NOT p1) (NOT p0)), (OR (NOT p0) (NOT p1)), (OR (NOT p0) (NOT p1)), true]
Running random walk in product with property : ShieldPPPt-PT-001B-LTLFireability-00 automaton TGBA Formula[mat=[[{ cond=p1, acceptance={} source=0 dest: 0}, { cond=(NOT p1), acceptance={} source=0 dest: 4}], [{ cond=(AND p1 p0), acceptance={0} source=1 dest: 0}, { cond=(AND p1 (NOT p0)), acceptance={0} source=1 dest: 1}, { cond=(NOT p1), acceptance={0} source=1 dest: 4}], [{ cond=p1, acceptance={} source=2 dest: 1}, { cond=(NOT p1), acceptance={} source=2 dest: 4}], [{ cond=true, acceptance={} source=3 dest: 2}], [{ cond=true, acceptance={0} source=4 dest: 4}]], initial=3, aps=[p1:(AND (EQ s56 1) (EQ s29 0)), p0:(EQ s16 1)], nbAcceptance=1, properties=[trans-labels, explicit-labels, trans-acc, complete, deterministic, no-univ-branch, unambiguous, semi-deterministic, stutter-sensitive, very-weak, weak, inherently-weak], stateDesc=[null, null, null, null, null][false, false, false, false, false]]
Entered a terminal (fully accepting) state of product in 1 steps with 0 reset in 2 ms.
FORMULA ShieldPPPt-PT-001B-LTLFireability-00 FALSE TECHNIQUES STUTTER_TEST
Treatment of property ShieldPPPt-PT-001B-LTLFireability-00 finished in 1087 ms.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202303021504/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!(G(((p0 U X(p1))&&(F(p2)||X(X(p3))))))'
Support contains 5 out of 77 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 77/77 places, 70/70 transitions.
Discarding 6 places :
Symmetric choice reduction at 0 with 6 rule applications. Total rules 6 place count 71 transition count 64
Iterating global reduction 0 with 6 rules applied. Total rules applied 12 place count 71 transition count 64
Applied a total of 12 rules in 5 ms. Remains 71 /77 variables (removed 6) and now considering 64/70 (removed 6) transitions.
// Phase 1: matrix 64 rows 71 cols
[2023-03-19 08:04:35] [INFO ] Computed 12 place invariants in 1 ms
[2023-03-19 08:04:35] [INFO ] Implicit Places using invariants in 108 ms returned []
[2023-03-19 08:04:35] [INFO ] Invariant cache hit.
[2023-03-19 08:04:35] [INFO ] Implicit Places using invariants and state equation in 138 ms returned []
Implicit Place search using SMT with State Equation took 249 ms to find 0 implicit places.
[2023-03-19 08:04:35] [INFO ] Invariant cache hit.
[2023-03-19 08:04:35] [INFO ] Dead Transitions using invariants and state equation in 128 ms found 0 transitions.
Starting structural reductions in LTL mode, iteration 1 : 71/77 places, 64/70 transitions.
Finished structural reductions in LTL mode , in 1 iterations and 382 ms. Remains : 71/77 places, 64/70 transitions.
Stuttering acceptance computed with spot in 349 ms :[(OR (NOT p1) (AND (NOT p2) (NOT p3))), (NOT p1), (AND (NOT p2) (NOT p3)), (NOT p1), true, (AND (NOT p2) (NOT p3)), (NOT p2)]
Running random walk in product with property : ShieldPPPt-PT-001B-LTLFireability-01 automaton TGBA Formula[mat=[[{ cond=true, acceptance={} source=0 dest: 0}, { cond=(NOT p0), acceptance={} source=0 dest: 1}, { cond=(NOT p2), acceptance={} source=0 dest: 2}, { cond=p0, acceptance={} source=0 dest: 3}], [{ cond=(NOT p1), acceptance={} source=1 dest: 4}], [{ cond=(NOT p2), acceptance={} source=2 dest: 5}], [{ cond=(AND (NOT p0) (NOT p1)), acceptance={0} source=3 dest: 1}, { cond=(AND p0 (NOT p1)), acceptance={0} source=3 dest: 3}], [{ cond=true, acceptance={0} source=4 dest: 4}], [{ cond=(AND (NOT p2) (NOT p3)), acceptance={} source=5 dest: 6}], [{ cond=(NOT p2), acceptance={0} source=6 dest: 6}]], initial=0, aps=[p0:(EQ s30 1), p2:(EQ s39 1), p1:(EQ s55 1), p3:(AND (EQ s20 1) (EQ s61 1))], nbAcceptance=1, properties=[trans-labels, explicit-labels, trans-acc, no-univ-branch, stutter-sensitive, very-weak, weak, inherently-weak], stateDesc=[null, null, null, null, null, null, null][false, false, false, false, false, false, false]]
Entered a terminal (fully accepting) state of product in 50 steps with 1 reset in 1 ms.
FORMULA ShieldPPPt-PT-001B-LTLFireability-01 FALSE TECHNIQUES STUTTER_TEST
Treatment of property ShieldPPPt-PT-001B-LTLFireability-01 finished in 754 ms.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202303021504/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!(F(G(p0)))'
Support contains 1 out of 77 places. Attempting structural reductions.
Starting structural reductions in SI_LTL mode, iteration 0 : 77/77 places, 70/70 transitions.
Reduce places removed 1 places and 1 transitions.
Drop transitions removed 19 transitions
Trivial Post-agglo rules discarded 19 transitions
Performed 19 trivial Post agglomeration. Transition count delta: 19
Iterating post reduction 0 with 19 rules applied. Total rules applied 19 place count 76 transition count 50
Reduce places removed 19 places and 0 transitions.
Ensure Unique test removed 1 transitions
Reduce isomorphic transitions removed 1 transitions.
Drop transitions removed 1 transitions
Trivial Post-agglo rules discarded 1 transitions
Performed 1 trivial Post agglomeration. Transition count delta: 1
Iterating post reduction 1 with 21 rules applied. Total rules applied 40 place count 57 transition count 48
Reduce places removed 1 places and 0 transitions.
Iterating post reduction 2 with 1 rules applied. Total rules applied 41 place count 56 transition count 48
Performed 5 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 3 with 5 Pre rules applied. Total rules applied 41 place count 56 transition count 43
Deduced a syphon composed of 5 places in 0 ms
Reduce places removed 5 places and 0 transitions.
Iterating global reduction 3 with 10 rules applied. Total rules applied 51 place count 51 transition count 43
Discarding 6 places :
Symmetric choice reduction at 3 with 6 rule applications. Total rules 57 place count 45 transition count 37
Iterating global reduction 3 with 6 rules applied. Total rules applied 63 place count 45 transition count 37
Performed 3 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 3 with 3 Pre rules applied. Total rules applied 63 place count 45 transition count 34
Deduced a syphon composed of 3 places in 0 ms
Reduce places removed 3 places and 0 transitions.
Iterating global reduction 3 with 6 rules applied. Total rules applied 69 place count 42 transition count 34
Performed 13 Post agglomeration using F-continuation condition.Transition count delta: 13
Deduced a syphon composed of 13 places in 0 ms
Reduce places removed 13 places and 0 transitions.
Iterating global reduction 3 with 26 rules applied. Total rules applied 95 place count 29 transition count 21
Performed 2 Post agglomeration using F-continuation condition.Transition count delta: 0
Deduced a syphon composed of 2 places in 0 ms
Reduce places removed 2 places and 0 transitions.
Iterating global reduction 3 with 4 rules applied. Total rules applied 99 place count 27 transition count 21
Reduce places removed 1 places and 1 transitions.
Iterating global reduction 3 with 1 rules applied. Total rules applied 100 place count 26 transition count 20
Reduce places removed 1 places and 0 transitions.
Iterating post reduction 3 with 1 rules applied. Total rules applied 101 place count 25 transition count 20
Performed 2 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 4 with 2 Pre rules applied. Total rules applied 101 place count 25 transition count 18
Deduced a syphon composed of 2 places in 0 ms
Reduce places removed 2 places and 0 transitions.
Iterating global reduction 4 with 4 rules applied. Total rules applied 105 place count 23 transition count 18
Applied a total of 105 rules in 25 ms. Remains 23 /77 variables (removed 54) and now considering 18/70 (removed 52) transitions.
// Phase 1: matrix 18 rows 23 cols
[2023-03-19 08:04:36] [INFO ] Computed 11 place invariants in 0 ms
[2023-03-19 08:04:36] [INFO ] Implicit Places using invariants in 56 ms returned [6, 10]
Discarding 2 places :
Implicit Place search using SMT only with invariants took 58 ms to find 2 implicit places.
Starting structural reductions in SI_LTL mode, iteration 1 : 21/77 places, 18/70 transitions.
Performed 2 Post agglomeration using F-continuation condition.Transition count delta: 2
Deduced a syphon composed of 2 places in 0 ms
Reduce places removed 2 places and 0 transitions.
Iterating global reduction 0 with 4 rules applied. Total rules applied 4 place count 19 transition count 16
Applied a total of 4 rules in 1 ms. Remains 19 /21 variables (removed 2) and now considering 16/18 (removed 2) transitions.
// Phase 1: matrix 16 rows 19 cols
[2023-03-19 08:04:36] [INFO ] Computed 9 place invariants in 0 ms
[2023-03-19 08:04:36] [INFO ] Implicit Places using invariants in 66 ms returned []
[2023-03-19 08:04:36] [INFO ] Invariant cache hit.
[2023-03-19 08:04:36] [INFO ] Implicit Places using invariants and state equation in 96 ms returned []
Implicit Place search using SMT with State Equation took 165 ms to find 0 implicit places.
Starting structural reductions in SI_LTL mode, iteration 2 : 19/77 places, 16/70 transitions.
Finished structural reductions in SI_LTL mode , in 2 iterations and 249 ms. Remains : 19/77 places, 16/70 transitions.
Stuttering acceptance computed with spot in 59 ms :[(NOT p0)]
Running random walk in product with property : ShieldPPPt-PT-001B-LTLFireability-02 automaton TGBA Formula[mat=[[{ cond=p0, acceptance={} source=0 dest: 0}, { cond=(NOT p0), acceptance={0} source=0 dest: 0}]], initial=0, aps=[p0:(EQ s3 1)], nbAcceptance=1, properties=[trans-labels, explicit-labels, trans-acc, complete, deterministic, no-univ-branch, unambiguous, semi-deterministic, stutter-invariant], stateDesc=[null][true]]
Stuttering criterion allowed to conclude after 1845 steps with 0 reset in 13 ms.
FORMULA ShieldPPPt-PT-001B-LTLFireability-02 FALSE TECHNIQUES STUTTER_TEST
Treatment of property ShieldPPPt-PT-001B-LTLFireability-02 finished in 351 ms.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202303021504/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!(X(G(p0)))'
Support contains 1 out of 77 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 77/77 places, 70/70 transitions.
Discarding 8 places :
Symmetric choice reduction at 0 with 8 rule applications. Total rules 8 place count 69 transition count 62
Iterating global reduction 0 with 8 rules applied. Total rules applied 16 place count 69 transition count 62
Discarding 1 places :
Symmetric choice reduction at 0 with 1 rule applications. Total rules 17 place count 68 transition count 61
Iterating global reduction 0 with 1 rules applied. Total rules applied 18 place count 68 transition count 61
Applied a total of 18 rules in 22 ms. Remains 68 /77 variables (removed 9) and now considering 61/70 (removed 9) transitions.
// Phase 1: matrix 61 rows 68 cols
[2023-03-19 08:04:36] [INFO ] Computed 12 place invariants in 1 ms
[2023-03-19 08:04:36] [INFO ] Implicit Places using invariants in 137 ms returned []
[2023-03-19 08:04:36] [INFO ] Invariant cache hit.
[2023-03-19 08:04:36] [INFO ] Implicit Places using invariants and state equation in 84 ms returned []
Implicit Place search using SMT with State Equation took 224 ms to find 0 implicit places.
[2023-03-19 08:04:36] [INFO ] Invariant cache hit.
[2023-03-19 08:04:36] [INFO ] Dead Transitions using invariants and state equation in 110 ms found 0 transitions.
Starting structural reductions in LTL mode, iteration 1 : 68/77 places, 61/70 transitions.
Finished structural reductions in LTL mode , in 1 iterations and 365 ms. Remains : 68/77 places, 61/70 transitions.
Stuttering acceptance computed with spot in 86 ms :[true, (NOT p0), (NOT p0)]
Running random walk in product with property : ShieldPPPt-PT-001B-LTLFireability-03 automaton TGBA Formula[mat=[[{ cond=true, acceptance={0} source=0 dest: 0}], [{ cond=true, acceptance={} source=1 dest: 2}], [{ cond=(NOT p0), acceptance={} source=2 dest: 0}, { cond=p0, acceptance={} source=2 dest: 2}]], initial=1, aps=[p0:(EQ s23 1)], nbAcceptance=1, properties=[trans-labels, explicit-labels, trans-acc, complete, deterministic, no-univ-branch, unambiguous, semi-deterministic, stutter-sensitive, terminal, very-weak, weak, inherently-weak], stateDesc=[null, null, null][false, false, false]]
Entered a terminal (fully accepting) state of product in 1 steps with 0 reset in 1 ms.
FORMULA ShieldPPPt-PT-001B-LTLFireability-03 FALSE TECHNIQUES STUTTER_TEST
Treatment of property ShieldPPPt-PT-001B-LTLFireability-03 finished in 479 ms.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202303021504/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!(F(G(p0)))'
Support contains 2 out of 77 places. Attempting structural reductions.
Starting structural reductions in SI_LTL mode, iteration 0 : 77/77 places, 70/70 transitions.
Reduce places removed 1 places and 1 transitions.
Drop transitions removed 16 transitions
Trivial Post-agglo rules discarded 16 transitions
Performed 16 trivial Post agglomeration. Transition count delta: 16
Iterating post reduction 0 with 16 rules applied. Total rules applied 16 place count 76 transition count 53
Reduce places removed 16 places and 0 transitions.
Performed 2 Post agglomeration using F-continuation condition.Transition count delta: 2
Iterating post reduction 1 with 18 rules applied. Total rules applied 34 place count 60 transition count 51
Reduce places removed 2 places and 0 transitions.
Ensure Unique test removed 1 transitions
Reduce isomorphic transitions removed 1 transitions.
Iterating post reduction 2 with 3 rules applied. Total rules applied 37 place count 58 transition count 50
Performed 5 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 3 with 5 Pre rules applied. Total rules applied 37 place count 58 transition count 45
Deduced a syphon composed of 5 places in 0 ms
Reduce places removed 5 places and 0 transitions.
Iterating global reduction 3 with 10 rules applied. Total rules applied 47 place count 53 transition count 45
Discarding 5 places :
Symmetric choice reduction at 3 with 5 rule applications. Total rules 52 place count 48 transition count 40
Iterating global reduction 3 with 5 rules applied. Total rules applied 57 place count 48 transition count 40
Performed 2 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 3 with 2 Pre rules applied. Total rules applied 57 place count 48 transition count 38
Deduced a syphon composed of 2 places in 0 ms
Reduce places removed 2 places and 0 transitions.
Iterating global reduction 3 with 4 rules applied. Total rules applied 61 place count 46 transition count 38
Performed 15 Post agglomeration using F-continuation condition.Transition count delta: 15
Deduced a syphon composed of 15 places in 0 ms
Reduce places removed 15 places and 0 transitions.
Iterating global reduction 3 with 30 rules applied. Total rules applied 91 place count 31 transition count 23
Performed 1 Post agglomeration using F-continuation condition.Transition count delta: 0
Deduced a syphon composed of 1 places in 0 ms
Reduce places removed 1 places and 0 transitions.
Iterating global reduction 3 with 2 rules applied. Total rules applied 93 place count 30 transition count 23
Reduce places removed 1 places and 1 transitions.
Iterating global reduction 3 with 1 rules applied. Total rules applied 94 place count 29 transition count 22
Applied a total of 94 rules in 35 ms. Remains 29 /77 variables (removed 48) and now considering 22/70 (removed 48) transitions.
// Phase 1: matrix 22 rows 29 cols
[2023-03-19 08:04:36] [INFO ] Computed 12 place invariants in 0 ms
[2023-03-19 08:04:36] [INFO ] Implicit Places using invariants in 28 ms returned []
[2023-03-19 08:04:36] [INFO ] Invariant cache hit.
[2023-03-19 08:04:36] [INFO ] Implicit Places using invariants and state equation in 34 ms returned []
Implicit Place search using SMT with State Equation took 79 ms to find 0 implicit places.
[2023-03-19 08:04:36] [INFO ] Redundant transitions in 0 ms returned []
[2023-03-19 08:04:36] [INFO ] Invariant cache hit.
[2023-03-19 08:04:36] [INFO ] Dead Transitions using invariants and state equation in 47 ms found 0 transitions.
Starting structural reductions in SI_LTL mode, iteration 1 : 29/77 places, 22/70 transitions.
Finished structural reductions in SI_LTL mode , in 1 iterations and 169 ms. Remains : 29/77 places, 22/70 transitions.
Stuttering acceptance computed with spot in 70 ms :[(NOT p0)]
Running random walk in product with property : ShieldPPPt-PT-001B-LTLFireability-04 automaton TGBA Formula[mat=[[{ cond=p0, acceptance={} source=0 dest: 0}, { cond=(NOT p0), acceptance={0} source=0 dest: 0}]], initial=0, aps=[p0:(AND (EQ s20 0) (EQ s28 0))], nbAcceptance=1, properties=[trans-labels, explicit-labels, trans-acc, complete, deterministic, no-univ-branch, unambiguous, semi-deterministic, stutter-invariant], stateDesc=[null][true]]
Product exploration explored 100000 steps with 41 reset in 245 ms.
Stack based approach found an accepted trace after 37 steps with 0 reset with depth 38 and stack size 38 in 1 ms.
FORMULA ShieldPPPt-PT-001B-LTLFireability-04 FALSE TECHNIQUES STACK_TEST
Treatment of property ShieldPPPt-PT-001B-LTLFireability-04 finished in 522 ms.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202303021504/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!(X((G(p0)||G(p1))))'
Support contains 3 out of 77 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 77/77 places, 70/70 transitions.
Discarding 7 places :
Symmetric choice reduction at 0 with 7 rule applications. Total rules 7 place count 70 transition count 63
Iterating global reduction 0 with 7 rules applied. Total rules applied 14 place count 70 transition count 63
Discarding 1 places :
Symmetric choice reduction at 0 with 1 rule applications. Total rules 15 place count 69 transition count 62
Iterating global reduction 0 with 1 rules applied. Total rules applied 16 place count 69 transition count 62
Applied a total of 16 rules in 4 ms. Remains 69 /77 variables (removed 8) and now considering 62/70 (removed 8) transitions.
// Phase 1: matrix 62 rows 69 cols
[2023-03-19 08:04:37] [INFO ] Computed 12 place invariants in 0 ms
[2023-03-19 08:04:37] [INFO ] Implicit Places using invariants in 41 ms returned []
[2023-03-19 08:04:37] [INFO ] Invariant cache hit.
[2023-03-19 08:04:37] [INFO ] Implicit Places using invariants and state equation in 205 ms returned []
Implicit Place search using SMT with State Equation took 251 ms to find 0 implicit places.
[2023-03-19 08:04:37] [INFO ] Invariant cache hit.
[2023-03-19 08:04:37] [INFO ] Dead Transitions using invariants and state equation in 55 ms found 0 transitions.
Starting structural reductions in LTL mode, iteration 1 : 69/77 places, 62/70 transitions.
Finished structural reductions in LTL mode , in 1 iterations and 312 ms. Remains : 69/77 places, 62/70 transitions.
Stuttering acceptance computed with spot in 251 ms :[true, (AND (NOT p1) (NOT p0)), (NOT p1), (AND (NOT p1) (NOT p0)), (NOT p0)]
Running random walk in product with property : ShieldPPPt-PT-001B-LTLFireability-05 automaton TGBA Formula[mat=[[{ cond=true, acceptance={0} source=0 dest: 0}], [{ cond=true, acceptance={} source=1 dest: 3}], [{ cond=(NOT p1), acceptance={} source=2 dest: 0}, { cond=p1, acceptance={} source=2 dest: 2}], [{ cond=(AND (NOT p0) (NOT p1)), acceptance={} source=3 dest: 0}, { cond=(AND (NOT p0) p1), acceptance={} source=3 dest: 2}, { cond=(AND p0 p1), acceptance={} source=3 dest: 3}, { cond=(AND p0 (NOT p1)), acceptance={} source=3 dest: 4}], [{ cond=(NOT p0), acceptance={} source=4 dest: 0}, { cond=p0, acceptance={} source=4 dest: 4}]], initial=1, aps=[p1:(EQ s52 1), p0:(AND (EQ s14 1) (EQ s49 1))], nbAcceptance=1, properties=[trans-labels, explicit-labels, trans-acc, complete, deterministic, no-univ-branch, unambiguous, semi-deterministic, stutter-sensitive, terminal, very-weak, weak, inherently-weak], stateDesc=[null, null, null, null, null][false, false, false, false, false]]
Entered a terminal (fully accepting) state of product in 1 steps with 0 reset in 1 ms.
FORMULA ShieldPPPt-PT-001B-LTLFireability-05 FALSE TECHNIQUES STUTTER_TEST
Treatment of property ShieldPPPt-PT-001B-LTLFireability-05 finished in 616 ms.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202303021504/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!(F((p0||G((X(p0)&&p1)))))'
Support contains 1 out of 77 places. Attempting structural reductions.
Property had overlarge support with respect to TGBA, discarding it for now.
Starting structural reductions in SI_LTL mode, iteration 0 : 77/77 places, 70/70 transitions.
Reduce places removed 1 places and 1 transitions.
Drop transitions removed 18 transitions
Trivial Post-agglo rules discarded 18 transitions
Performed 18 trivial Post agglomeration. Transition count delta: 18
Iterating post reduction 0 with 18 rules applied. Total rules applied 18 place count 76 transition count 51
Reduce places removed 18 places and 0 transitions.
Ensure Unique test removed 1 transitions
Reduce isomorphic transitions removed 1 transitions.
Drop transitions removed 1 transitions
Trivial Post-agglo rules discarded 1 transitions
Performed 1 trivial Post agglomeration. Transition count delta: 1
Iterating post reduction 1 with 20 rules applied. Total rules applied 38 place count 58 transition count 49
Reduce places removed 1 places and 0 transitions.
Performed 1 Post agglomeration using F-continuation condition.Transition count delta: 1
Iterating post reduction 2 with 2 rules applied. Total rules applied 40 place count 57 transition count 48
Reduce places removed 1 places and 0 transitions.
Iterating post reduction 3 with 1 rules applied. Total rules applied 41 place count 56 transition count 48
Performed 5 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 4 with 5 Pre rules applied. Total rules applied 41 place count 56 transition count 43
Deduced a syphon composed of 5 places in 0 ms
Reduce places removed 5 places and 0 transitions.
Iterating global reduction 4 with 10 rules applied. Total rules applied 51 place count 51 transition count 43
Discarding 4 places :
Symmetric choice reduction at 4 with 4 rule applications. Total rules 55 place count 47 transition count 39
Iterating global reduction 4 with 4 rules applied. Total rules applied 59 place count 47 transition count 39
Performed 2 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 4 with 2 Pre rules applied. Total rules applied 59 place count 47 transition count 37
Deduced a syphon composed of 2 places in 0 ms
Reduce places removed 2 places and 0 transitions.
Iterating global reduction 4 with 4 rules applied. Total rules applied 63 place count 45 transition count 37
Performed 15 Post agglomeration using F-continuation condition.Transition count delta: 15
Deduced a syphon composed of 15 places in 0 ms
Reduce places removed 15 places and 0 transitions.
Iterating global reduction 4 with 30 rules applied. Total rules applied 93 place count 30 transition count 22
Performed 2 Post agglomeration using F-continuation condition.Transition count delta: 0
Deduced a syphon composed of 2 places in 0 ms
Reduce places removed 2 places and 0 transitions.
Iterating global reduction 4 with 4 rules applied. Total rules applied 97 place count 28 transition count 22
Reduce places removed 1 places and 1 transitions.
Iterating global reduction 4 with 1 rules applied. Total rules applied 98 place count 27 transition count 21
Reduce places removed 1 places and 0 transitions.
Iterating post reduction 4 with 1 rules applied. Total rules applied 99 place count 26 transition count 21
Performed 1 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 5 with 1 Pre rules applied. Total rules applied 99 place count 26 transition count 20
Deduced a syphon composed of 1 places in 0 ms
Reduce places removed 1 places and 0 transitions.
Iterating global reduction 5 with 2 rules applied. Total rules applied 101 place count 25 transition count 20
Applied a total of 101 rules in 10 ms. Remains 25 /77 variables (removed 52) and now considering 20/70 (removed 50) transitions.
// Phase 1: matrix 20 rows 25 cols
[2023-03-19 08:04:37] [INFO ] Computed 11 place invariants in 0 ms
[2023-03-19 08:04:38] [INFO ] Implicit Places using invariants in 70 ms returned [10]
Discarding 1 places :
Implicit Place search using SMT only with invariants took 71 ms to find 1 implicit places.
Starting structural reductions in SI_LTL mode, iteration 1 : 24/77 places, 20/70 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 23 transition count 19
Applied a total of 2 rules in 3 ms. Remains 23 /24 variables (removed 1) and now considering 19/20 (removed 1) transitions.
// Phase 1: matrix 19 rows 23 cols
[2023-03-19 08:04:38] [INFO ] Computed 10 place invariants in 1 ms
[2023-03-19 08:04:38] [INFO ] Implicit Places using invariants in 45 ms returned []
[2023-03-19 08:04:38] [INFO ] Invariant cache hit.
[2023-03-19 08:04:38] [INFO ] Implicit Places using invariants and state equation in 89 ms returned []
Implicit Place search using SMT with State Equation took 135 ms to find 0 implicit places.
Starting structural reductions in SI_LTL mode, iteration 2 : 23/77 places, 19/70 transitions.
Finished structural reductions in SI_LTL mode , in 2 iterations and 220 ms. Remains : 23/77 places, 19/70 transitions.
Stuttering acceptance computed with spot in 48 ms :[(NOT p0)]
Running random walk in product with property : ShieldPPPt-PT-001B-LTLFireability-06 automaton TGBA Formula[mat=[[{ cond=(NOT p0), acceptance={0} source=0 dest: 0}]], initial=0, aps=[p0:(EQ s19 1)], nbAcceptance=1, properties=[trans-labels, explicit-labels, trans-acc, colored, deterministic, no-univ-branch, unambiguous, semi-deterministic, stutter-invariant, very-weak, weak, inherently-weak], stateDesc=[null][true]]
Product exploration explored 100000 steps with 32790 reset in 194 ms.
Stack based approach found an accepted trace after 3425 steps with 1143 reset with depth 11 and stack size 11 in 17 ms.
FORMULA ShieldPPPt-PT-001B-LTLFireability-06 FALSE TECHNIQUES STACK_TEST
Treatment of property ShieldPPPt-PT-001B-LTLFireability-06 finished in 506 ms.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202303021504/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!((G(p0)||X((F(p1) U (F(p2) U !p3)))))'
Support contains 5 out of 77 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 77/77 places, 70/70 transitions.
Discarding 8 places :
Symmetric choice reduction at 0 with 8 rule applications. Total rules 8 place count 69 transition count 62
Iterating global reduction 0 with 8 rules applied. Total rules applied 16 place count 69 transition count 62
Applied a total of 16 rules in 2 ms. Remains 69 /77 variables (removed 8) and now considering 62/70 (removed 8) transitions.
// Phase 1: matrix 62 rows 69 cols
[2023-03-19 08:04:38] [INFO ] Computed 12 place invariants in 1 ms
[2023-03-19 08:04:38] [INFO ] Implicit Places using invariants in 76 ms returned []
[2023-03-19 08:04:38] [INFO ] Invariant cache hit.
[2023-03-19 08:04:38] [INFO ] Implicit Places using invariants and state equation in 123 ms returned []
Implicit Place search using SMT with State Equation took 202 ms to find 0 implicit places.
[2023-03-19 08:04:38] [INFO ] Invariant cache hit.
[2023-03-19 08:04:38] [INFO ] Dead Transitions using invariants and state equation in 43 ms found 0 transitions.
Starting structural reductions in LTL mode, iteration 1 : 69/77 places, 62/70 transitions.
Finished structural reductions in LTL mode , in 1 iterations and 260 ms. Remains : 69/77 places, 62/70 transitions.
Stuttering acceptance computed with spot in 240 ms :[(AND (NOT p0) p3), p3, (AND (NOT p0) p3), (AND (NOT p2) (NOT p1)), (AND (NOT p2) (NOT p1) (NOT p0))]
Running random walk in product with property : ShieldPPPt-PT-001B-LTLFireability-07 automaton TGBA Formula[mat=[[{ cond=(NOT p0), acceptance={} source=0 dest: 1}, { cond=p0, acceptance={} source=0 dest: 2}], [{ cond=p3, acceptance={0} source=1 dest: 1}, { cond=(AND p3 (NOT p2) (NOT p1)), acceptance={0} source=1 dest: 3}], [{ cond=(AND (NOT p0) p3), acceptance={} source=2 dest: 1}, { cond=(AND p0 p3), acceptance={} source=2 dest: 2}, { cond=(AND (NOT p0) p3 (NOT p2) (NOT p1)), acceptance={} source=2 dest: 3}, { cond=(AND p0 p3 (NOT p2) (NOT p1)), acceptance={} source=2 dest: 4}], [{ cond=(AND (NOT p2) (NOT p1)), acceptance={0} source=3 dest: 3}], [{ cond=(AND (NOT p0) (NOT p2) (NOT p1)), acceptance={} source=4 dest: 3}, { cond=(AND p0 (NOT p2) (NOT p1)), acceptance={} source=4 dest: 4}]], initial=0, aps=[p0:(EQ s30 1), p3:(AND (EQ s12 1) (EQ s64 1)), p2:(NEQ s52 1), p1:(EQ s40 1)], nbAcceptance=1, properties=[trans-labels, explicit-labels, trans-acc, no-univ-branch, stutter-sensitive, very-weak, weak, inherently-weak], stateDesc=[null, null, null, null, null][false, false, false, false, false]]
Product exploration explored 100000 steps with 50000 reset in 118 ms.
Product exploration explored 100000 steps with 50000 reset in 126 ms.
Computed a total of 15 stabilizing places and 15 stable transitions
Computed a total of 15 stabilizing places and 15 stable transitions
Detected a total of 15/69 stabilizing places and 15/62 transitions leading to convergence knowledge of the form 'F(Gp|G!p)' for 1/4 atomic propositions.
Knowledge obtained : [(AND (NOT p0) (NOT p3) p2 (NOT p1)), (X (NOT p3)), (X (NOT (AND p3 (NOT p2) (NOT p1)))), (X (NOT (AND p0 p3 (NOT p2) (NOT p1)))), (X (NOT (AND (NOT p0) p3))), (X (NOT (AND p0 p3))), (X (NOT (AND (NOT p0) p3 (NOT p2) (NOT p1)))), (X (X (NOT p3))), (X (X (NOT (AND (NOT p0) (NOT p2) (NOT p1))))), (X (X (NOT (AND p3 (NOT p2) (NOT p1))))), (X (X (NOT (AND p0 p3 (NOT p2) (NOT p1))))), (X (X (NOT (AND (NOT p0) p3)))), (X (X (NOT (AND p0 p3)))), (X (X (NOT (AND p0 (NOT p2) (NOT p1))))), (X (X (NOT (AND (NOT p2) (NOT p1))))), (X (X (NOT (AND (NOT p0) p3 (NOT p2) (NOT p1))))), (F (OR (G p2) (G (NOT p2))))]
False Knowledge obtained : []
Property proved to be true thanks to knowledge :(X (NOT p3))
Knowledge based reduction with 17 factoid took 501 ms. Reduced automaton from 5 states, 11 edges and 4 AP (stutter sensitive) to 1 states, 0 edges and 0 AP (stutter insensitive).
FORMULA ShieldPPPt-PT-001B-LTLFireability-07 TRUE TECHNIQUES KNOWLEDGE
Treatment of property ShieldPPPt-PT-001B-LTLFireability-07 finished in 1302 ms.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202303021504/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!(F(G((G(F(p0)) U (p0 U p1)))))'
Support contains 3 out of 77 places. Attempting structural reductions.
Starting structural reductions in SI_LTL mode, iteration 0 : 77/77 places, 70/70 transitions.
Reduce places removed 1 places and 1 transitions.
Drop transitions removed 18 transitions
Trivial Post-agglo rules discarded 18 transitions
Performed 18 trivial Post agglomeration. Transition count delta: 18
Iterating post reduction 0 with 18 rules applied. Total rules applied 18 place count 76 transition count 51
Reduce places removed 18 places and 0 transitions.
Ensure Unique test removed 1 transitions
Reduce isomorphic transitions removed 1 transitions.
Drop transitions removed 1 transitions
Trivial Post-agglo rules discarded 1 transitions
Performed 1 trivial Post agglomeration. Transition count delta: 1
Iterating post reduction 1 with 20 rules applied. Total rules applied 38 place count 58 transition count 49
Reduce places removed 1 places and 0 transitions.
Iterating post reduction 2 with 1 rules applied. Total rules applied 39 place count 57 transition count 49
Performed 4 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 3 with 4 Pre rules applied. Total rules applied 39 place count 57 transition count 45
Deduced a syphon composed of 4 places in 1 ms
Reduce places removed 4 places and 0 transitions.
Iterating global reduction 3 with 8 rules applied. Total rules applied 47 place count 53 transition count 45
Discarding 6 places :
Symmetric choice reduction at 3 with 6 rule applications. Total rules 53 place count 47 transition count 39
Iterating global reduction 3 with 6 rules applied. Total rules applied 59 place count 47 transition count 39
Performed 3 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 3 with 3 Pre rules applied. Total rules applied 59 place count 47 transition count 36
Deduced a syphon composed of 3 places in 0 ms
Reduce places removed 3 places and 0 transitions.
Iterating global reduction 3 with 6 rules applied. Total rules applied 65 place count 44 transition count 36
Performed 12 Post agglomeration using F-continuation condition.Transition count delta: 12
Deduced a syphon composed of 12 places in 0 ms
Reduce places removed 12 places and 0 transitions.
Iterating global reduction 3 with 24 rules applied. Total rules applied 89 place count 32 transition count 24
Performed 2 Post agglomeration using F-continuation condition.Transition count delta: 0
Deduced a syphon composed of 2 places in 0 ms
Reduce places removed 2 places and 0 transitions.
Iterating global reduction 3 with 4 rules applied. Total rules applied 93 place count 30 transition count 24
Reduce places removed 1 places and 1 transitions.
Iterating global reduction 3 with 1 rules applied. Total rules applied 94 place count 29 transition count 23
Reduce places removed 1 places and 0 transitions.
Iterating post reduction 3 with 1 rules applied. Total rules applied 95 place count 28 transition count 23
Performed 2 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 4 with 2 Pre rules applied. Total rules applied 95 place count 28 transition count 21
Deduced a syphon composed of 2 places in 0 ms
Reduce places removed 2 places and 0 transitions.
Iterating global reduction 4 with 4 rules applied. Total rules applied 99 place count 26 transition count 21
Applied a total of 99 rules in 18 ms. Remains 26 /77 variables (removed 51) and now considering 21/70 (removed 49) transitions.
// Phase 1: matrix 21 rows 26 cols
[2023-03-19 08:04:39] [INFO ] Computed 11 place invariants in 1 ms
[2023-03-19 08:04:39] [INFO ] Implicit Places using invariants in 41 ms returned [7, 11]
Discarding 2 places :
Implicit Place search using SMT only with invariants took 44 ms to find 2 implicit places.
Starting structural reductions in SI_LTL mode, iteration 1 : 24/77 places, 21/70 transitions.
Performed 2 Post agglomeration using F-continuation condition.Transition count delta: 2
Deduced a syphon composed of 2 places in 0 ms
Reduce places removed 2 places and 0 transitions.
Iterating global reduction 0 with 4 rules applied. Total rules applied 4 place count 22 transition count 19
Applied a total of 4 rules in 2 ms. Remains 22 /24 variables (removed 2) and now considering 19/21 (removed 2) transitions.
// Phase 1: matrix 19 rows 22 cols
[2023-03-19 08:04:39] [INFO ] Computed 9 place invariants in 1 ms
[2023-03-19 08:04:39] [INFO ] Implicit Places using invariants in 80 ms returned []
[2023-03-19 08:04:39] [INFO ] Invariant cache hit.
[2023-03-19 08:04:39] [INFO ] Implicit Places using invariants and state equation in 40 ms returned []
Implicit Place search using SMT with State Equation took 134 ms to find 0 implicit places.
Starting structural reductions in SI_LTL mode, iteration 2 : 22/77 places, 19/70 transitions.
Finished structural reductions in SI_LTL mode , in 2 iterations and 198 ms. Remains : 22/77 places, 19/70 transitions.
Stuttering acceptance computed with spot in 272 ms :[(NOT p1), (AND (NOT p1) (NOT p0)), (AND (NOT p1) (NOT p0)), (NOT p1)]
Running random walk in product with property : ShieldPPPt-PT-001B-LTLFireability-08 automaton TGBA Formula[mat=[[{ cond=true, acceptance={} source=0 dest: 0}, { cond=(AND (NOT p1) (NOT p0)), acceptance={} source=0 dest: 1}, { cond=(NOT p1), acceptance={} source=0 dest: 3}], [{ cond=(AND p1 (NOT p0)), acceptance={} source=1 dest: 1}, { cond=(AND (NOT p1) (NOT p0)), acceptance={0} source=1 dest: 1}], [{ cond=(AND (NOT p1) (NOT p0)), acceptance={} source=2 dest: 1}, { cond=true, acceptance={} source=2 dest: 2}], [{ cond=(AND (NOT p1) (NOT p0)), acceptance={} source=3 dest: 1}, { cond=(AND (NOT p1) (NOT p0)), acceptance={} source=3 dest: 2}, { cond=(NOT p1), acceptance={0} source=3 dest: 3}]], initial=0, aps=[p1:(EQ s15 1), p0:(AND (EQ s3 1) (EQ s20 1))], nbAcceptance=1, properties=[trans-labels, explicit-labels, trans-acc, no-univ-branch, stutter-invariant], stateDesc=[null, null, null, null][true, true, true, true]]
Product exploration explored 100000 steps with 9896 reset in 121 ms.
Stack based approach found an accepted trace after 153 steps with 13 reset with depth 6 and stack size 6 in 1 ms.
FORMULA ShieldPPPt-PT-001B-LTLFireability-08 FALSE TECHNIQUES STACK_TEST
Treatment of property ShieldPPPt-PT-001B-LTLFireability-08 finished in 611 ms.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202303021504/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!(X(X(X(G(p0)))))'
Support contains 4 out of 77 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 77/77 places, 70/70 transitions.
Discarding 7 places :
Symmetric choice reduction at 0 with 7 rule applications. Total rules 7 place count 70 transition count 63
Iterating global reduction 0 with 7 rules applied. Total rules applied 14 place count 70 transition count 63
Discarding 1 places :
Symmetric choice reduction at 0 with 1 rule applications. Total rules 15 place count 69 transition count 62
Iterating global reduction 0 with 1 rules applied. Total rules applied 16 place count 69 transition count 62
Applied a total of 16 rules in 6 ms. Remains 69 /77 variables (removed 8) and now considering 62/70 (removed 8) transitions.
// Phase 1: matrix 62 rows 69 cols
[2023-03-19 08:04:40] [INFO ] Computed 12 place invariants in 1 ms
[2023-03-19 08:04:40] [INFO ] Implicit Places using invariants in 73 ms returned []
[2023-03-19 08:04:40] [INFO ] Invariant cache hit.
[2023-03-19 08:04:40] [INFO ] Implicit Places using invariants and state equation in 83 ms returned []
Implicit Place search using SMT with State Equation took 161 ms to find 0 implicit places.
[2023-03-19 08:04:40] [INFO ] Invariant cache hit.
[2023-03-19 08:04:40] [INFO ] Dead Transitions using invariants and state equation in 40 ms found 0 transitions.
Starting structural reductions in LTL mode, iteration 1 : 69/77 places, 62/70 transitions.
Finished structural reductions in LTL mode , in 1 iterations and 209 ms. Remains : 69/77 places, 62/70 transitions.
Stuttering acceptance computed with spot in 249 ms :[true, (NOT p0), (NOT p0), (NOT p0), (NOT p0)]
Running random walk in product with property : ShieldPPPt-PT-001B-LTLFireability-09 automaton TGBA Formula[mat=[[{ cond=true, acceptance={0} source=0 dest: 0}], [{ cond=(NOT p0), acceptance={} source=1 dest: 0}, { cond=p0, acceptance={} source=1 dest: 1}], [{ cond=true, acceptance={} source=2 dest: 1}], [{ cond=true, acceptance={} source=3 dest: 4}], [{ cond=true, acceptance={} source=4 dest: 2}]], initial=3, aps=[p0:(AND (OR (EQ s46 1) (AND (EQ s18 1) (EQ s42 1))) (OR (EQ s68 1) (AND (EQ s18 1) (EQ s42 1))))], nbAcceptance=1, properties=[trans-labels, explicit-labels, trans-acc, complete, deterministic, no-univ-branch, unambiguous, semi-deterministic, stutter-sensitive, terminal, very-weak, weak, inherently-weak], stateDesc=[null, null, null, null, null][false, false, false, false, false]]
Entered a terminal (fully accepting) state of product in 3 steps with 0 reset in 0 ms.
FORMULA ShieldPPPt-PT-001B-LTLFireability-09 FALSE TECHNIQUES STUTTER_TEST
Treatment of property ShieldPPPt-PT-001B-LTLFireability-09 finished in 493 ms.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202303021504/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!(F(p0))'
Support contains 1 out of 77 places. Attempting structural reductions.
Starting structural reductions in SI_LTL mode, iteration 0 : 77/77 places, 70/70 transitions.
Reduce places removed 1 places and 1 transitions.
Drop transitions removed 18 transitions
Trivial Post-agglo rules discarded 18 transitions
Performed 18 trivial Post agglomeration. Transition count delta: 18
Iterating post reduction 0 with 18 rules applied. Total rules applied 18 place count 76 transition count 51
Reduce places removed 18 places and 0 transitions.
Ensure Unique test removed 1 transitions
Reduce isomorphic transitions removed 1 transitions.
Drop transitions removed 1 transitions
Trivial Post-agglo rules discarded 1 transitions
Performed 1 trivial Post agglomeration. Transition count delta: 1
Iterating post reduction 1 with 20 rules applied. Total rules applied 38 place count 58 transition count 49
Reduce places removed 1 places and 0 transitions.
Iterating post reduction 2 with 1 rules applied. Total rules applied 39 place count 57 transition count 49
Performed 5 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 3 with 5 Pre rules applied. Total rules applied 39 place count 57 transition count 44
Deduced a syphon composed of 5 places in 0 ms
Reduce places removed 5 places and 0 transitions.
Iterating global reduction 3 with 10 rules applied. Total rules applied 49 place count 52 transition count 44
Discarding 5 places :
Symmetric choice reduction at 3 with 5 rule applications. Total rules 54 place count 47 transition count 39
Iterating global reduction 3 with 5 rules applied. Total rules applied 59 place count 47 transition count 39
Performed 2 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 3 with 2 Pre rules applied. Total rules applied 59 place count 47 transition count 37
Deduced a syphon composed of 2 places in 0 ms
Reduce places removed 2 places and 0 transitions.
Iterating global reduction 3 with 4 rules applied. Total rules applied 63 place count 45 transition count 37
Performed 15 Post agglomeration using F-continuation condition.Transition count delta: 15
Deduced a syphon composed of 15 places in 0 ms
Reduce places removed 15 places and 0 transitions.
Iterating global reduction 3 with 30 rules applied. Total rules applied 93 place count 30 transition count 22
Performed 2 Post agglomeration using F-continuation condition.Transition count delta: 0
Deduced a syphon composed of 2 places in 0 ms
Reduce places removed 2 places and 0 transitions.
Iterating global reduction 3 with 4 rules applied. Total rules applied 97 place count 28 transition count 22
Reduce places removed 1 places and 1 transitions.
Iterating global reduction 3 with 1 rules applied. Total rules applied 98 place count 27 transition count 21
Applied a total of 98 rules in 6 ms. Remains 27 /77 variables (removed 50) and now considering 21/70 (removed 49) transitions.
// Phase 1: matrix 21 rows 27 cols
[2023-03-19 08:04:40] [INFO ] Computed 12 place invariants in 0 ms
[2023-03-19 08:04:40] [INFO ] Implicit Places using invariants in 28 ms returned []
[2023-03-19 08:04:40] [INFO ] Invariant cache hit.
[2023-03-19 08:04:40] [INFO ] State equation strengthened by 2 read => feed constraints.
[2023-03-19 08:04:41] [INFO ] Implicit Places using invariants and state equation in 136 ms returned []
Implicit Place search using SMT with State Equation took 181 ms to find 0 implicit places.
[2023-03-19 08:04:41] [INFO ] Redundant transitions in 0 ms returned []
[2023-03-19 08:04:41] [INFO ] Invariant cache hit.
[2023-03-19 08:04:41] [INFO ] Dead Transitions using invariants and state equation in 35 ms found 0 transitions.
Starting structural reductions in SI_LTL mode, iteration 1 : 27/77 places, 21/70 transitions.
Finished structural reductions in SI_LTL mode , in 1 iterations and 232 ms. Remains : 27/77 places, 21/70 transitions.
Stuttering acceptance computed with spot in 64 ms :[(NOT p0)]
Running random walk in product with property : ShieldPPPt-PT-001B-LTLFireability-10 automaton TGBA Formula[mat=[[{ cond=(NOT p0), acceptance={0} source=0 dest: 0}]], initial=0, aps=[p0:(EQ s20 1)], nbAcceptance=1, properties=[trans-labels, explicit-labels, trans-acc, colored, deterministic, no-univ-branch, unambiguous, semi-deterministic, stutter-invariant, very-weak, weak, inherently-weak], stateDesc=[null][true]]
Product exploration explored 100000 steps with 20817 reset in 129 ms.
Stack based approach found an accepted trace after 21 steps with 3 reset with depth 3 and stack size 3 in 0 ms.
FORMULA ShieldPPPt-PT-001B-LTLFireability-10 FALSE TECHNIQUES STACK_TEST
Treatment of property ShieldPPPt-PT-001B-LTLFireability-10 finished in 438 ms.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202303021504/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!((X(p0)&&F((!p0&&X(p1)))))'
Support contains 3 out of 77 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 77/77 places, 70/70 transitions.
Discarding 7 places :
Symmetric choice reduction at 0 with 7 rule applications. Total rules 7 place count 70 transition count 63
Iterating global reduction 0 with 7 rules applied. Total rules applied 14 place count 70 transition count 63
Discarding 1 places :
Symmetric choice reduction at 0 with 1 rule applications. Total rules 15 place count 69 transition count 62
Iterating global reduction 0 with 1 rules applied. Total rules applied 16 place count 69 transition count 62
Applied a total of 16 rules in 2 ms. Remains 69 /77 variables (removed 8) and now considering 62/70 (removed 8) transitions.
// Phase 1: matrix 62 rows 69 cols
[2023-03-19 08:04:41] [INFO ] Computed 12 place invariants in 0 ms
[2023-03-19 08:04:41] [INFO ] Implicit Places using invariants in 56 ms returned []
[2023-03-19 08:04:41] [INFO ] Invariant cache hit.
[2023-03-19 08:04:41] [INFO ] Implicit Places using invariants and state equation in 82 ms returned []
Implicit Place search using SMT with State Equation took 151 ms to find 0 implicit places.
[2023-03-19 08:04:41] [INFO ] Invariant cache hit.
[2023-03-19 08:04:41] [INFO ] Dead Transitions using invariants and state equation in 153 ms found 0 transitions.
Starting structural reductions in LTL mode, iteration 1 : 69/77 places, 62/70 transitions.
Finished structural reductions in LTL mode , in 1 iterations and 308 ms. Remains : 69/77 places, 62/70 transitions.
Stuttering acceptance computed with spot in 237 ms :[true, (NOT p0), (OR (NOT p1) p0), (NOT p1), true]
Running random walk in product with property : ShieldPPPt-PT-001B-LTLFireability-11 automaton TGBA Formula[mat=[[{ cond=true, acceptance={} source=0 dest: 1}, { cond=p0, acceptance={} source=0 dest: 2}, { cond=(NOT p0), acceptance={} source=0 dest: 3}], [{ cond=(NOT p0), acceptance={} source=1 dest: 4}], [{ cond=p0, acceptance={} source=2 dest: 2}, { cond=(NOT p0), acceptance={} source=2 dest: 3}], [{ cond=(AND p0 (NOT p1)), acceptance={} source=3 dest: 2}, { cond=(AND (NOT p0) (NOT p1)), acceptance={} source=3 dest: 3}], [{ cond=true, acceptance={} source=4 dest: 4}]], initial=0, aps=[p0:(AND (EQ s1 1) (EQ s55 1)), p1:(NEQ s44 1)], nbAcceptance=0, properties=[trans-labels, explicit-labels, trans-acc, no-univ-branch, stutter-sensitive, weak, inherently-weak], stateDesc=[null, null, null, null, null][false, false, false, false, false]]
Entered a terminal (fully accepting) state of product in 3 steps with 1 reset in 0 ms.
FORMULA ShieldPPPt-PT-001B-LTLFireability-11 FALSE TECHNIQUES STUTTER_TEST
Treatment of property ShieldPPPt-PT-001B-LTLFireability-11 finished in 563 ms.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202303021504/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!((G(((G(p0) U G(p1))||F(p2)))||X(p3)))'
Support contains 4 out of 77 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 77/77 places, 70/70 transitions.
Discarding 6 places :
Symmetric choice reduction at 0 with 6 rule applications. Total rules 6 place count 71 transition count 64
Iterating global reduction 0 with 6 rules applied. Total rules applied 12 place count 71 transition count 64
Discarding 1 places :
Symmetric choice reduction at 0 with 1 rule applications. Total rules 13 place count 70 transition count 63
Iterating global reduction 0 with 1 rules applied. Total rules applied 14 place count 70 transition count 63
Applied a total of 14 rules in 3 ms. Remains 70 /77 variables (removed 7) and now considering 63/70 (removed 7) transitions.
// Phase 1: matrix 63 rows 70 cols
[2023-03-19 08:04:41] [INFO ] Computed 12 place invariants in 1 ms
[2023-03-19 08:04:41] [INFO ] Implicit Places using invariants in 96 ms returned []
[2023-03-19 08:04:41] [INFO ] Invariant cache hit.
[2023-03-19 08:04:42] [INFO ] Implicit Places using invariants and state equation in 70 ms returned []
Implicit Place search using SMT with State Equation took 171 ms to find 0 implicit places.
[2023-03-19 08:04:42] [INFO ] Invariant cache hit.
[2023-03-19 08:04:42] [INFO ] Dead Transitions using invariants and state equation in 73 ms found 0 transitions.
Starting structural reductions in LTL mode, iteration 1 : 70/77 places, 63/70 transitions.
Finished structural reductions in LTL mode , in 1 iterations and 248 ms. Remains : 70/77 places, 63/70 transitions.
Stuttering acceptance computed with spot in 727 ms :[(AND (NOT p1) (NOT p2) (NOT p3)), (OR (AND p1 (NOT p2) (NOT p3)) (AND p0 (NOT p2) (NOT p3))), (AND (NOT p1) (NOT p2) (NOT p3)), (AND (NOT p2) p1 (NOT p0) (NOT p3)), (AND (NOT p2) (NOT p1) p0 (NOT p3)), (NOT p2), (AND (NOT p1) (NOT p2)), (AND (NOT p1) (NOT p2)), (AND (NOT p2) (NOT p0)), (AND (NOT p2) (NOT p1))]
Running random walk in product with property : ShieldPPPt-PT-001B-LTLFireability-12 automaton TGBA Formula[mat=[[{ cond=(AND (NOT p1) (NOT p0) (NOT p2)), acceptance={} source=0 dest: 1}, { cond=true, acceptance={} source=0 dest: 2}, { cond=(AND (NOT p1) p0 (NOT p2)), acceptance={} source=0 dest: 3}, { cond=(AND p1 (NOT p0) (NOT p2)), acceptance={} source=0 dest: 4}], [{ cond=(OR (AND p1 (NOT p2) (NOT p3)) (AND p0 (NOT p2) (NOT p3))), acceptance={} source=1 dest: 5}], [{ cond=(AND (NOT p1) (NOT p0) (NOT p2) (NOT p3)), acceptance={} source=2 dest: 5}, { cond=(AND (NOT p1) p0 (NOT p2) (NOT p3)), acceptance={} source=2 dest: 6}, { cond=(NOT p3), acceptance={} source=2 dest: 7}, { cond=(AND (NOT p1) p0 (NOT p2) (NOT p3)), acceptance={} source=2 dest: 8}, { cond=(AND p1 (NOT p0) (NOT p2) (NOT p3)), acceptance={} source=2 dest: 9}], [{ cond=(AND p1 (NOT p0) (NOT p2) (NOT p3)), acceptance={} source=3 dest: 5}, { cond=(AND p1 p0 (NOT p2) (NOT p3)), acceptance={} source=3 dest: 8}], [{ cond=(AND (NOT p1) p0 (NOT p2) (NOT p3)), acceptance={} source=4 dest: 5}, { cond=(AND p1 p0 (NOT p2) (NOT p3)), acceptance={} source=4 dest: 9}], [{ cond=(NOT p2), acceptance={0} source=5 dest: 5}], [{ cond=(AND (NOT p1) (NOT p0) (NOT p2)), acceptance={} source=6 dest: 5}, { cond=(AND p1 p0 (NOT p2)), acceptance={} source=6 dest: 6}, { cond=(AND (NOT p1) p0 (NOT p2)), acceptance={0} source=6 dest: 6}, { cond=(AND (NOT p1) p0 (NOT p2)), acceptance={} source=6 dest: 8}, { cond=(AND p1 (NOT p0) (NOT p2)), acceptance={} source=6 dest: 9}], [{ cond=(AND (NOT p1) (NOT p0) (NOT p2)), acceptance={} source=7 dest: 5}, { cond=(AND (NOT p1) p0 (NOT p2)), acceptance={} source=7 dest: 6}, { cond=true, acceptance={} source=7 dest: 7}, { cond=(AND (NOT p1) p0 (NOT p2)), acceptance={} source=7 dest: 8}, { cond=(AND p1 (NOT p0) (NOT p2)), acceptance={} source=7 dest: 9}], [{ cond=(AND (NOT p0) (NOT p2)), acceptance={} source=8 dest: 5}, { cond=(AND p0 (NOT p2)), acceptance={} source=8 dest: 8}], [{ cond=(AND (NOT p1) (NOT p2)), acceptance={} source=9 dest: 5}, { cond=(AND p1 (NOT p2)), acceptance={} source=9 dest: 9}]], initial=0, aps=[p1:(EQ s42 1), p0:(EQ s0 1), p2:(EQ s5 1), p3:(EQ s46 1)], nbAcceptance=1, properties=[trans-labels, explicit-labels, trans-acc, no-univ-branch, stutter-sensitive], stateDesc=[null, null, null, null, null, null, null, null, null, null][false, false, false, false, false, false, false, false, false, false]]
Stuttering criterion allowed to conclude after 24367 steps with 0 reset in 34 ms.
FORMULA ShieldPPPt-PT-001B-LTLFireability-12 FALSE TECHNIQUES STUTTER_TEST
Treatment of property ShieldPPPt-PT-001B-LTLFireability-12 finished in 1044 ms.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202303021504/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!(G((p0||F(p1))))'
Support contains 2 out of 77 places. Attempting structural reductions.
Starting structural reductions in SI_LTL mode, iteration 0 : 77/77 places, 70/70 transitions.
Reduce places removed 1 places and 1 transitions.
Drop transitions removed 19 transitions
Trivial Post-agglo rules discarded 19 transitions
Performed 19 trivial Post agglomeration. Transition count delta: 19
Iterating post reduction 0 with 19 rules applied. Total rules applied 19 place count 76 transition count 50
Reduce places removed 19 places and 0 transitions.
Ensure Unique test removed 1 transitions
Reduce isomorphic transitions removed 1 transitions.
Drop transitions removed 1 transitions
Trivial Post-agglo rules discarded 1 transitions
Performed 1 trivial Post agglomeration. Transition count delta: 1
Iterating post reduction 1 with 21 rules applied. Total rules applied 40 place count 57 transition count 48
Reduce places removed 1 places and 0 transitions.
Iterating post reduction 2 with 1 rules applied. Total rules applied 41 place count 56 transition count 48
Performed 5 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 3 with 5 Pre rules applied. Total rules applied 41 place count 56 transition count 43
Deduced a syphon composed of 5 places in 0 ms
Reduce places removed 5 places and 0 transitions.
Iterating global reduction 3 with 10 rules applied. Total rules applied 51 place count 51 transition count 43
Discarding 5 places :
Symmetric choice reduction at 3 with 5 rule applications. Total rules 56 place count 46 transition count 38
Iterating global reduction 3 with 5 rules applied. Total rules applied 61 place count 46 transition count 38
Performed 2 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 3 with 2 Pre rules applied. Total rules applied 61 place count 46 transition count 36
Deduced a syphon composed of 2 places in 0 ms
Reduce places removed 2 places and 0 transitions.
Iterating global reduction 3 with 4 rules applied. Total rules applied 65 place count 44 transition count 36
Performed 14 Post agglomeration using F-continuation condition.Transition count delta: 14
Deduced a syphon composed of 14 places in 0 ms
Reduce places removed 14 places and 0 transitions.
Iterating global reduction 3 with 28 rules applied. Total rules applied 93 place count 30 transition count 22
Performed 2 Post agglomeration using F-continuation condition.Transition count delta: 0
Deduced a syphon composed of 2 places in 0 ms
Reduce places removed 2 places and 0 transitions.
Iterating global reduction 3 with 4 rules applied. Total rules applied 97 place count 28 transition count 22
Reduce places removed 1 places and 1 transitions.
Iterating global reduction 3 with 1 rules applied. Total rules applied 98 place count 27 transition count 21
Reduce places removed 1 places and 0 transitions.
Iterating post reduction 3 with 1 rules applied. Total rules applied 99 place count 26 transition count 21
Performed 2 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 4 with 2 Pre rules applied. Total rules applied 99 place count 26 transition count 19
Deduced a syphon composed of 2 places in 0 ms
Reduce places removed 2 places and 0 transitions.
Iterating global reduction 4 with 4 rules applied. Total rules applied 103 place count 24 transition count 19
Applied a total of 103 rules in 6 ms. Remains 24 /77 variables (removed 53) and now considering 19/70 (removed 51) transitions.
// Phase 1: matrix 19 rows 24 cols
[2023-03-19 08:04:42] [INFO ] Computed 11 place invariants in 1 ms
[2023-03-19 08:04:43] [INFO ] Implicit Places using invariants in 91 ms returned [6, 10]
Discarding 2 places :
Implicit Place search using SMT only with invariants took 99 ms to find 2 implicit places.
Starting structural reductions in SI_LTL mode, iteration 1 : 22/77 places, 19/70 transitions.
Performed 2 Post agglomeration using F-continuation condition.Transition count delta: 2
Deduced a syphon composed of 2 places in 2 ms
Reduce places removed 2 places and 0 transitions.
Iterating global reduction 0 with 4 rules applied. Total rules applied 4 place count 20 transition count 17
Applied a total of 4 rules in 10 ms. Remains 20 /22 variables (removed 2) and now considering 17/19 (removed 2) transitions.
// Phase 1: matrix 17 rows 20 cols
[2023-03-19 08:04:43] [INFO ] Computed 9 place invariants in 0 ms
[2023-03-19 08:04:43] [INFO ] Implicit Places using invariants in 42 ms returned []
[2023-03-19 08:04:43] [INFO ] Invariant cache hit.
[2023-03-19 08:04:43] [INFO ] Implicit Places using invariants and state equation in 64 ms returned []
Implicit Place search using SMT with State Equation took 108 ms to find 0 implicit places.
Starting structural reductions in SI_LTL mode, iteration 2 : 20/77 places, 17/70 transitions.
Finished structural reductions in SI_LTL mode , in 2 iterations and 223 ms. Remains : 20/77 places, 17/70 transitions.
Stuttering acceptance computed with spot in 81 ms :[(AND (NOT p0) (NOT p1)), (NOT p1)]
Running random walk in product with property : ShieldPPPt-PT-001B-LTLFireability-13 automaton TGBA Formula[mat=[[{ cond=true, acceptance={} source=0 dest: 0}, { cond=(AND (NOT p0) (NOT p1)), acceptance={} source=0 dest: 1}], [{ cond=(NOT p1), acceptance={0} source=1 dest: 1}]], initial=0, aps=[p0:(EQ s3 1), p1:(EQ s16 0)], nbAcceptance=1, properties=[trans-labels, explicit-labels, trans-acc, no-univ-branch, stutter-invariant, very-weak, weak, inherently-weak], stateDesc=[null, null][true, true]]
Product exploration explored 100000 steps with 9617 reset in 123 ms.
Product exploration explored 100000 steps with 9339 reset in 123 ms.
Computed a total of 0 stabilizing places and 0 stable transitions
Computed a total of 0 stabilizing places and 0 stable transitions
Knowledge obtained : [(AND (NOT p0) p1)]
False Knowledge obtained : [(X (NOT p1)), (X p1), (X (X (NOT p1))), (X (X p1))]
Knowledge based reduction with 1 factoid took 141 ms. Reduced automaton from 2 states, 3 edges and 2 AP (stutter insensitive) to 2 states, 3 edges and 2 AP (stutter insensitive).
Stuttering acceptance computed with spot in 80 ms :[(AND (NOT p0) (NOT p1)), (NOT p1)]
Finished random walk after 1 steps, including 0 resets, run visited all 2 properties in 1 ms. (steps per millisecond=1 )
Knowledge obtained : [(AND (NOT p0) p1)]
False Knowledge obtained : [(X (NOT p1)), (X p1), (X (X (NOT p1))), (X (X p1)), (F (AND (NOT p0) (NOT p1))), (F (NOT p1))]
Knowledge based reduction with 1 factoid took 149 ms. Reduced automaton from 2 states, 3 edges and 2 AP (stutter insensitive) to 2 states, 3 edges and 2 AP (stutter insensitive).
Stuttering acceptance computed with spot in 134 ms :[(AND (NOT p0) (NOT p1)), (NOT p1)]
Stuttering acceptance computed with spot in 119 ms :[(AND (NOT p0) (NOT p1)), (NOT p1)]
Support contains 2 out of 20 places. Attempting structural reductions.
Starting structural reductions in SI_LTL mode, iteration 0 : 20/20 places, 17/17 transitions.
Applied a total of 0 rules in 1 ms. Remains 20 /20 variables (removed 0) and now considering 17/17 (removed 0) transitions.
[2023-03-19 08:04:44] [INFO ] Invariant cache hit.
[2023-03-19 08:04:44] [INFO ] Implicit Places using invariants in 49 ms returned []
[2023-03-19 08:04:44] [INFO ] Invariant cache hit.
[2023-03-19 08:04:44] [INFO ] Implicit Places using invariants and state equation in 52 ms returned []
Implicit Place search using SMT with State Equation took 108 ms to find 0 implicit places.
[2023-03-19 08:04:44] [INFO ] Redundant transitions in 1 ms returned []
[2023-03-19 08:04:44] [INFO ] Invariant cache hit.
[2023-03-19 08:04:44] [INFO ] Dead Transitions using invariants and state equation in 39 ms found 0 transitions.
Finished structural reductions in SI_LTL mode , in 1 iterations and 155 ms. Remains : 20/20 places, 17/17 transitions.
Computed a total of 0 stabilizing places and 0 stable transitions
Computed a total of 0 stabilizing places and 0 stable transitions
Knowledge obtained : [(AND (NOT p0) p1)]
False Knowledge obtained : [(X (NOT p1)), (X p1), (X (X (NOT p1))), (X (X p1))]
Knowledge based reduction with 1 factoid took 145 ms. Reduced automaton from 2 states, 3 edges and 2 AP (stutter insensitive) to 2 states, 3 edges and 2 AP (stutter insensitive).
Stuttering acceptance computed with spot in 147 ms :[(AND (NOT p0) (NOT p1)), (NOT p1)]
Finished random walk after 2 steps, including 0 resets, run visited all 2 properties in 1 ms. (steps per millisecond=2 )
Knowledge obtained : [(AND (NOT p0) p1)]
False Knowledge obtained : [(X (NOT p1)), (X p1), (X (X (NOT p1))), (X (X p1)), (F (AND (NOT p0) (NOT p1))), (F (NOT p1))]
Knowledge based reduction with 1 factoid took 286 ms. Reduced automaton from 2 states, 3 edges and 2 AP (stutter insensitive) to 2 states, 3 edges and 2 AP (stutter insensitive).
Stuttering acceptance computed with spot in 144 ms :[(AND (NOT p0) (NOT p1)), (NOT p1)]
Stuttering acceptance computed with spot in 111 ms :[(AND (NOT p0) (NOT p1)), (NOT p1)]
Stuttering acceptance computed with spot in 100 ms :[(AND (NOT p0) (NOT p1)), (NOT p1)]
Product exploration explored 100000 steps with 9631 reset in 113 ms.
Product exploration explored 100000 steps with 9657 reset in 93 ms.
Built C files in :
/tmp/ltsmin139210103543794619
[2023-03-19 08:04:45] [INFO ] Computing symmetric may disable matrix : 17 transitions.
[2023-03-19 08:04:45] [INFO ] Computation of Complete disable matrix. took 0 ms. Total solver calls (SAT/UNSAT): 0(0/0)
[2023-03-19 08:04:45] [INFO ] Computing symmetric may enable matrix : 17 transitions.
[2023-03-19 08:04:45] [INFO ] Computation of Complete enable matrix. took 0 ms. Total solver calls (SAT/UNSAT): 0(0/0)
[2023-03-19 08:04:45] [INFO ] Computing Do-Not-Accords matrix : 17 transitions.
[2023-03-19 08:04:45] [INFO ] Computation of Completed DNA matrix. took 0 ms. Total solver calls (SAT/UNSAT): 0(0/0)
[2023-03-19 08:04:45] [INFO ] Built C files in 4ms conformant to PINS (ltsmin variant)in folder :/tmp/ltsmin139210103543794619
Running compilation step : cd /tmp/ltsmin139210103543794619;'/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.ltsmin.binaries_1.0.0.202303021504/bin/limit_time.pl' '3' 'gcc' '-c' '-I/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.ltsmin.binaries_1.0.0.202303021504/bin/include/' '-I.' '-std=c99' '-fPIC' '-O0' 'model.c'
Compilation finished in 370 ms.
Running link step : cd /tmp/ltsmin139210103543794619;'gcc' '-shared' '-o' 'gal.so' 'model.o'
Link finished in 82 ms.
Running LTSmin : cd /tmp/ltsmin139210103543794619;'/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.ltsmin.binaries_1.0.0.202303021504/bin/pins2lts-mc-linux64' './gal.so' '--threads=8' '-p' '--pins-guards' '--when' '--hoa' '/tmp/stateBased16907076902234351582.hoa' '--buchi-type=spotba'
LTSmin run took 299 ms.
FORMULA ShieldPPPt-PT-001B-LTLFireability-13 TRUE TECHNIQUES PARTIAL_ORDER EXPLICIT LTSMIN SAT_SMT
Treatment of property ShieldPPPt-PT-001B-LTLFireability-13 finished in 3382 ms.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202303021504/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!(F((F(G(p0))&&G(p1))))'
Support contains 3 out of 77 places. Attempting structural reductions.
Starting structural reductions in SI_LTL mode, iteration 0 : 77/77 places, 70/70 transitions.
Reduce places removed 1 places and 1 transitions.
Drop transitions removed 16 transitions
Trivial Post-agglo rules discarded 16 transitions
Performed 16 trivial Post agglomeration. Transition count delta: 16
Iterating post reduction 0 with 16 rules applied. Total rules applied 16 place count 76 transition count 53
Reduce places removed 16 places and 0 transitions.
Ensure Unique test removed 1 transitions
Reduce isomorphic transitions removed 1 transitions.
Drop transitions removed 1 transitions
Trivial Post-agglo rules discarded 1 transitions
Performed 1 trivial Post agglomeration. Transition count delta: 1
Iterating post reduction 1 with 18 rules applied. Total rules applied 34 place count 60 transition count 51
Reduce places removed 1 places and 0 transitions.
Performed 1 Post agglomeration using F-continuation condition.Transition count delta: 1
Iterating post reduction 2 with 2 rules applied. Total rules applied 36 place count 59 transition count 50
Reduce places removed 1 places and 0 transitions.
Iterating post reduction 3 with 1 rules applied. Total rules applied 37 place count 58 transition count 50
Performed 6 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 4 with 6 Pre rules applied. Total rules applied 37 place count 58 transition count 44
Deduced a syphon composed of 6 places in 0 ms
Reduce places removed 6 places and 0 transitions.
Iterating global reduction 4 with 12 rules applied. Total rules applied 49 place count 52 transition count 44
Discarding 6 places :
Symmetric choice reduction at 4 with 6 rule applications. Total rules 55 place count 46 transition count 38
Iterating global reduction 4 with 6 rules applied. Total rules applied 61 place count 46 transition count 38
Performed 3 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 4 with 3 Pre rules applied. Total rules applied 61 place count 46 transition count 35
Deduced a syphon composed of 3 places in 0 ms
Reduce places removed 3 places and 0 transitions.
Iterating global reduction 4 with 6 rules applied. Total rules applied 67 place count 43 transition count 35
Performed 12 Post agglomeration using F-continuation condition.Transition count delta: 12
Deduced a syphon composed of 12 places in 0 ms
Reduce places removed 12 places and 0 transitions.
Iterating global reduction 4 with 24 rules applied. Total rules applied 91 place count 31 transition count 23
Performed 2 Post agglomeration using F-continuation condition.Transition count delta: 0
Deduced a syphon composed of 2 places in 0 ms
Reduce places removed 2 places and 0 transitions.
Iterating global reduction 4 with 4 rules applied. Total rules applied 95 place count 29 transition count 23
Reduce places removed 1 places and 1 transitions.
Iterating global reduction 4 with 1 rules applied. Total rules applied 96 place count 28 transition count 22
Applied a total of 96 rules in 8 ms. Remains 28 /77 variables (removed 49) and now considering 22/70 (removed 48) transitions.
// Phase 1: matrix 22 rows 28 cols
[2023-03-19 08:04:46] [INFO ] Computed 12 place invariants in 0 ms
[2023-03-19 08:04:46] [INFO ] Implicit Places using invariants in 40 ms returned [19]
Discarding 1 places :
Implicit Place search using SMT only with invariants took 41 ms to find 1 implicit places.
Starting structural reductions in SI_LTL mode, iteration 1 : 27/77 places, 22/70 transitions.
Performed 2 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 0 with 2 Pre rules applied. Total rules applied 0 place count 27 transition count 20
Deduced a syphon composed of 2 places in 0 ms
Reduce places removed 2 places and 0 transitions.
Iterating global reduction 0 with 4 rules applied. Total rules applied 4 place count 25 transition count 20
Applied a total of 4 rules in 1 ms. Remains 25 /27 variables (removed 2) and now considering 20/22 (removed 2) transitions.
// Phase 1: matrix 20 rows 25 cols
[2023-03-19 08:04:46] [INFO ] Computed 11 place invariants in 0 ms
[2023-03-19 08:04:46] [INFO ] Implicit Places using invariants in 43 ms returned [6, 10]
Discarding 2 places :
Implicit Place search using SMT only with invariants took 43 ms to find 2 implicit places.
Starting structural reductions in SI_LTL mode, iteration 2 : 23/77 places, 20/70 transitions.
Performed 2 Post agglomeration using F-continuation condition.Transition count delta: 2
Deduced a syphon composed of 2 places in 0 ms
Reduce places removed 2 places and 0 transitions.
Iterating global reduction 0 with 4 rules applied. Total rules applied 4 place count 21 transition count 18
Applied a total of 4 rules in 1 ms. Remains 21 /23 variables (removed 2) and now considering 18/20 (removed 2) transitions.
// Phase 1: matrix 18 rows 21 cols
[2023-03-19 08:04:46] [INFO ] Computed 9 place invariants in 0 ms
[2023-03-19 08:04:46] [INFO ] Implicit Places using invariants in 52 ms returned []
[2023-03-19 08:04:46] [INFO ] Invariant cache hit.
[2023-03-19 08:04:46] [INFO ] State equation strengthened by 2 read => feed constraints.
[2023-03-19 08:04:46] [INFO ] Implicit Places using invariants and state equation in 39 ms returned []
Implicit Place search using SMT with State Equation took 93 ms to find 0 implicit places.
Starting structural reductions in SI_LTL mode, iteration 3 : 21/77 places, 18/70 transitions.
Finished structural reductions in SI_LTL mode , in 3 iterations and 188 ms. Remains : 21/77 places, 18/70 transitions.
Stuttering acceptance computed with spot in 103 ms :[(OR (NOT p1) (NOT p0)), (NOT p0)]
Running random walk in product with property : ShieldPPPt-PT-001B-LTLFireability-14 automaton TGBA Formula[mat=[[{ cond=p1, acceptance={} source=0 dest: 0}, { cond=(NOT p1), acceptance={0} source=0 dest: 0}, { cond=(AND p1 (NOT p0)), acceptance={} source=0 dest: 1}], [{ cond=p0, acceptance={} source=1 dest: 1}, { cond=(NOT p0), acceptance={0} source=1 dest: 1}]], initial=0, aps=[p1:(EQ s16 0), p0:(AND (EQ s4 1) (EQ s15 1))], nbAcceptance=1, properties=[trans-labels, explicit-labels, trans-acc, complete, no-univ-branch, stutter-invariant], stateDesc=[null, null][true, true]]
Stuttering criterion allowed to conclude after 1803 steps with 0 reset in 3 ms.
FORMULA ShieldPPPt-PT-001B-LTLFireability-14 FALSE TECHNIQUES STUTTER_TEST
Treatment of property ShieldPPPt-PT-001B-LTLFireability-14 finished in 308 ms.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202303021504/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!((X(!(p0 U p1)) U p0))'
Support contains 2 out of 77 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 77/77 places, 70/70 transitions.
Discarding 7 places :
Symmetric choice reduction at 0 with 7 rule applications. Total rules 7 place count 70 transition count 63
Iterating global reduction 0 with 7 rules applied. Total rules applied 14 place count 70 transition count 63
Discarding 1 places :
Symmetric choice reduction at 0 with 1 rule applications. Total rules 15 place count 69 transition count 62
Iterating global reduction 0 with 1 rules applied. Total rules applied 16 place count 69 transition count 62
Applied a total of 16 rules in 1 ms. Remains 69 /77 variables (removed 8) and now considering 62/70 (removed 8) transitions.
// Phase 1: matrix 62 rows 69 cols
[2023-03-19 08:04:46] [INFO ] Computed 12 place invariants in 1 ms
[2023-03-19 08:04:46] [INFO ] Implicit Places using invariants in 62 ms returned []
[2023-03-19 08:04:46] [INFO ] Invariant cache hit.
[2023-03-19 08:04:46] [INFO ] Implicit Places using invariants and state equation in 119 ms returned []
Implicit Place search using SMT with State Equation took 182 ms to find 0 implicit places.
[2023-03-19 08:04:46] [INFO ] Invariant cache hit.
[2023-03-19 08:04:46] [INFO ] Dead Transitions using invariants and state equation in 49 ms found 0 transitions.
Starting structural reductions in LTL mode, iteration 1 : 69/77 places, 62/70 transitions.
Finished structural reductions in LTL mode , in 1 iterations and 261 ms. Remains : 69/77 places, 62/70 transitions.
Stuttering acceptance computed with spot in 141 ms :[p1, true, (NOT p0), (OR (NOT p0) p1)]
Running random walk in product with property : ShieldPPPt-PT-001B-LTLFireability-15 automaton TGBA Formula[mat=[[{ cond=(AND p0 (NOT p1)), acceptance={} source=0 dest: 0}, { cond=p1, acceptance={} source=0 dest: 1}], [{ cond=true, acceptance={0} source=1 dest: 1}], [{ cond=(NOT p0), acceptance={} source=2 dest: 3}], [{ cond=(AND p0 (NOT p1)), acceptance={0} source=3 dest: 0}, { cond=p1, acceptance={0} source=3 dest: 1}, { cond=(AND (NOT p0) (NOT p1)), acceptance={0} source=3 dest: 3}]], initial=2, aps=[p0:(EQ s5 1), p1:(NEQ s53 1)], nbAcceptance=1, properties=[trans-labels, explicit-labels, trans-acc, deterministic, no-univ-branch, unambiguous, semi-deterministic, stutter-sensitive, very-weak, weak, inherently-weak], stateDesc=[null, null, null, null][false, false, false, false]]
Entered a terminal (fully accepting) state of product in 1 steps with 0 reset in 0 ms.
FORMULA ShieldPPPt-PT-001B-LTLFireability-15 FALSE TECHNIQUES STUTTER_TEST
Treatment of property ShieldPPPt-PT-001B-LTLFireability-15 finished in 417 ms.
All properties solved by simple procedures.
Total runtime 15240 ms.

BK_STOP 1679213087269

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

+ export BINDIR=/home/mcc/BenchKit/bin//../itstools/bin//../
+ BINDIR=/home/mcc/BenchKit/bin//../itstools/bin//../
++ pwd
+ export MODEL=/home/mcc/execution
+ MODEL=/home/mcc/execution
+ [[ LTLFireability = StateSpace ]]
+ /home/mcc/BenchKit/bin//../itstools/bin//..//runeclipse.sh /home/mcc/execution LTLFireability -its -ltsmin -greatspnpath /home/mcc/BenchKit/bin//../itstools/bin//..//greatspn/ -order META -manyOrder -smt -timeout 3600
+ ulimit -s 65536
+ [[ -z '' ]]
+ export LTSMIN_MEM_SIZE=8589934592
+ LTSMIN_MEM_SIZE=8589934592
+ export PYTHONPATH=/home/mcc/BenchKit/itstools/pylibs
+ PYTHONPATH=/home/mcc/BenchKit/itstools/pylibs
+ export LD_LIBRARY_PATH=/home/mcc/BenchKit/itstools/pylibs:
+ LD_LIBRARY_PATH=/home/mcc/BenchKit/itstools/pylibs:
++ perl -pe 's/.*\.//g'
++ sed s/.jar//
++ ls /home/mcc/BenchKit/bin//../itstools/bin//..//itstools/plugins/fr.lip6.move.gal.application.pnmcc_1.0.0.202303021504.jar
+ VERSION=202303021504
+ echo 'Running Version 202303021504'
+ /home/mcc/BenchKit/bin//../itstools/bin//..//itstools/its-tools -pnfolder /home/mcc/execution -examination LTLFireability -its -ltsmin -greatspnpath /home/mcc/BenchKit/bin//../itstools/bin//..//greatspn/ -order META -manyOrder -smt -timeout 3600

Sequence of Actions to be Executed by the VM

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

set -x
# this is for BenchKit: configuration of major elements for the test
export BK_INPUT="ShieldPPPt-PT-001B"
export BK_EXAMINATION="LTLFireability"
export BK_TOOL="itstools"
export BK_RESULT_DIR="/tmp/BK_RESULTS/OUTPUTS"
export BK_TIME_CONFINEMENT="3600"
export BK_MEMORY_CONFINEMENT="16384"
export BK_BIN_PATH="/home/mcc/BenchKit/bin/"

# this is specific to your benchmark or test

export BIN_DIR="$HOME/BenchKit/bin"

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

# this is for BenchKit: explicit launching of the test
echo "====================================================================="
echo " Generated by BenchKit 2-5348"
echo " Executing tool itstools"
echo " Input is ShieldPPPt-PT-001B, examination is LTLFireability"
echo " Time confinement is $BK_TIME_CONFINEMENT seconds"
echo " Memory confinement is 16384 MBytes"
echo " Number of cores is 4"
echo " Run identifier is r389-oct2-167903713700540"
echo "====================================================================="
echo
echo "--------------------"
echo "preparation of the directory to be used:"

tar xzf /home/mcc/BenchKit/INPUTS/ShieldPPPt-PT-001B.tgz
mv ShieldPPPt-PT-001B execution
cd execution
if [ "LTLFireability" = "ReachabilityDeadlock" ] || [ "LTLFireability" = "UpperBounds" ] || [ "LTLFireability" = "QuasiLiveness" ] || [ "LTLFireability" = "StableMarking" ] || [ "LTLFireability" = "Liveness" ] || [ "LTLFireability" = "OneSafe" ] || [ "LTLFireability" = "StateSpace" ]; then
rm -f GenericPropertiesVerdict.xml
fi
pwd
ls -lh

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