fond
Model Checking Contest 2023
13th edition, Paris, France, April 26, 2023 (at TOOLympics II)
Execution of r487-tall-167912703801003
Last Updated
May 14, 2023

About the Execution of LoLa+red for UtilityControlRoom-COL-Z2T4N06

Execution Summary
Max Memory
Used (MB)
Time wait (ms) CPU Usage (ms) I/O Wait (ms) Computed Result Execution
Status
755.016 65561.00 73773.00 730.30 TTFFTFTTTFFFTFT? normal

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.r487-tall-167912703801003.qcow2', fmt=qcow2 size=4294967296 backing_file=/data/fkordon/mcc2023-input.qcow2 cluster_size=65536 lazy_refcounts=off refcount_bits=16
Waiting for the VM to be ready (probing ssh)
........................................................................................................................................................................................................................................................................................................................................................................................................................................................................................
=====================================================================
Generated by BenchKit 2-5348
Executing tool lolaxred
Input is UtilityControlRoom-COL-Z2T4N06, examination is LTLCardinality
Time confinement is 3600 seconds
Memory confinement is 16384 MBytes
Number of cores is 4
Run identifier is r487-tall-167912703801003
=====================================================================

--------------------
preparation of the directory to be used:
/home/mcc/execution
total 476K
-rw-r--r-- 1 mcc users 8.1K Feb 26 14:44 CTLCardinality.txt
-rw-r--r-- 1 mcc users 77K Feb 26 14:44 CTLCardinality.xml
-rw-r--r-- 1 mcc users 7.6K Feb 26 14:43 CTLFireability.txt
-rw-r--r-- 1 mcc users 64K Feb 26 14:43 CTLFireability.xml
-rw-r--r-- 1 mcc users 4.6K Feb 25 17:25 LTLCardinality.txt
-rw-r--r-- 1 mcc users 28K Feb 25 17:25 LTLCardinality.xml
-rw-r--r-- 1 mcc users 2.8K Feb 25 17:25 LTLFireability.txt
-rw-r--r-- 1 mcc users 17K Feb 25 17:25 LTLFireability.xml
-rw-r--r-- 1 mcc users 13K Feb 26 14:48 ReachabilityCardinality.txt
-rw-r--r-- 1 mcc users 114K Feb 26 14:48 ReachabilityCardinality.xml
-rw-r--r-- 1 mcc users 8.4K Feb 26 14:47 ReachabilityFireability.txt
-rw-r--r-- 1 mcc users 56K Feb 26 14:47 ReachabilityFireability.xml
-rw-r--r-- 1 mcc users 1.9K Feb 25 17:25 UpperBounds.txt
-rw-r--r-- 1 mcc users 4.0K Feb 25 17:25 UpperBounds.xml
-rw-r--r-- 1 mcc users 5 Mar 5 18:23 equiv_pt
-rw-r--r-- 1 mcc users 8 Mar 5 18:23 instance
-rw-r--r-- 1 mcc users 5 Mar 5 18:23 iscolored
-rw-r--r-- 1 mcc users 29K 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 UtilityControlRoom-COL-Z2T4N06-LTLCardinality-00
FORMULA_NAME UtilityControlRoom-COL-Z2T4N06-LTLCardinality-01
FORMULA_NAME UtilityControlRoom-COL-Z2T4N06-LTLCardinality-02
FORMULA_NAME UtilityControlRoom-COL-Z2T4N06-LTLCardinality-03
FORMULA_NAME UtilityControlRoom-COL-Z2T4N06-LTLCardinality-04
FORMULA_NAME UtilityControlRoom-COL-Z2T4N06-LTLCardinality-05
FORMULA_NAME UtilityControlRoom-COL-Z2T4N06-LTLCardinality-06
FORMULA_NAME UtilityControlRoom-COL-Z2T4N06-LTLCardinality-07
FORMULA_NAME UtilityControlRoom-COL-Z2T4N06-LTLCardinality-08
FORMULA_NAME UtilityControlRoom-COL-Z2T4N06-LTLCardinality-09
FORMULA_NAME UtilityControlRoom-COL-Z2T4N06-LTLCardinality-10
FORMULA_NAME UtilityControlRoom-COL-Z2T4N06-LTLCardinality-11
FORMULA_NAME UtilityControlRoom-COL-Z2T4N06-LTLCardinality-12
FORMULA_NAME UtilityControlRoom-COL-Z2T4N06-LTLCardinality-13
FORMULA_NAME UtilityControlRoom-COL-Z2T4N06-LTLCardinality-14
FORMULA_NAME UtilityControlRoom-COL-Z2T4N06-LTLCardinality-15

=== Now, execution of the tool begins

BK_START 1679228506149

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=lolaxred
BK_EXAMINATION=LTLCardinality
BK_BIN_PATH=/home/mcc/BenchKit/bin/
BK_TIME_CONFINEMENT=3600
BK_INPUT=UtilityControlRoom-COL-Z2T4N06
Applying reductions before tool lola
Invoking reducer
Running Version 202303021504
[2023-03-19 12:21:47] [INFO ] Running its-tools with arguments : [-pnfolder, /home/mcc/execution, -examination, LTLCardinality, -timeout, 360, -rebuildPNML]
[2023-03-19 12:21:47] [INFO ] Parsing pnml file : /home/mcc/execution/model.pnml
[2023-03-19 12:21:47] [INFO ] Detected file is not PT type :http://www.pnml.org/version-2009/grammar/symmetricnet
log4j:WARN No appenders could be found for logger (org.apache.axiom.locator.DefaultOMMetaFactoryLocator).
log4j:WARN Please initialize the log4j system properly.
log4j:WARN See http://logging.apache.org/log4j/1.2/faq.html#noconfig for more info.
[2023-03-19 12:21:48] [WARNING] Using fallBack plugin, rng conformance not checked
[2023-03-19 12:21:48] [INFO ] Load time of PNML (colored model parsed with PNMLFW) : 602 ms
[2023-03-19 12:21:48] [INFO ] Imported 13 HL places and 12 HL transitions for a total of 106 PT places and 162.0 transition bindings in 13 ms.
Parsed 16 properties from file /home/mcc/execution/LTLCardinality.xml in 11 ms.
Working with output stream class java.io.PrintStream
[2023-03-19 12:21:48] [INFO ] Built PT skeleton of HLPN with 13 places and 12 transitions 37 arcs in 5 ms.
[2023-03-19 12:21:48] [INFO ] Skeletonized 16 HLPN properties in 1 ms.
Initial state reduction rules removed 5 formulas.
FORMULA UtilityControlRoom-COL-Z2T4N06-LTLCardinality-03 FALSE TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA UtilityControlRoom-COL-Z2T4N06-LTLCardinality-04 TRUE TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA UtilityControlRoom-COL-Z2T4N06-LTLCardinality-06 TRUE TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA UtilityControlRoom-COL-Z2T4N06-LTLCardinality-07 TRUE TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA UtilityControlRoom-COL-Z2T4N06-LTLCardinality-10 FALSE TECHNIQUES TOPOLOGICAL INITIAL_STATE
Computed a total of 0 stabilizing places and 0 stable transitions
Remains 11 properties that can be checked using skeleton over-approximation.
Ensure Unique test removed 1 transitions
Reduce redundant transitions removed 1 transitions.
Computed a total of 0 stabilizing places and 0 stable transitions
Incomplete random walk after 10000 steps, including 2 resets, run finished after 132 ms. (steps per millisecond=75 ) properties (out of 22) seen :19
Incomplete Best-First random walk after 10001 steps, including 2 resets, run finished after 33 ms. (steps per millisecond=303 ) properties (out of 3) seen :0
Incomplete Best-First random walk after 10000 steps, including 2 resets, run finished after 36 ms. (steps per millisecond=277 ) properties (out of 3) seen :0
Incomplete Best-First random walk after 10000 steps, including 2 resets, run finished after 37 ms. (steps per millisecond=270 ) properties (out of 3) seen :0
Running SMT prover for 3 properties.
// Phase 1: matrix 11 rows 13 cols
[2023-03-19 12:21:48] [INFO ] Computed 5 place invariants in 3 ms
[2023-03-19 12:21:48] [INFO ] [Real]Absence check using 5 positive place invariants in 5 ms returned sat
[2023-03-19 12:21:48] [INFO ] After 112ms SMT Verify possible using all constraints in real domain returned unsat :3 sat :0
Fused 3 Parikh solutions to 0 different solutions.
Parikh walk visited 0 properties in 3 ms.
Successfully simplified 3 atomic propositions for a total of 11 simplifications.
[2023-03-19 12:21:48] [INFO ] Initial state reduction rules for LTL removed 2 formulas.
[2023-03-19 12:21:48] [INFO ] Flatten gal took : 13 ms
FORMULA UtilityControlRoom-COL-Z2T4N06-LTLCardinality-12 TRUE TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA UtilityControlRoom-COL-Z2T4N06-LTLCardinality-01 TRUE TECHNIQUES TOPOLOGICAL INITIAL_STATE
[2023-03-19 12:21:48] [INFO ] Flatten gal took : 3 ms
Transition timeout forces synchronizations/join behavior on parameter c of sort Cli
Domain [Cli(6), Z(2), Z(2)] of place MovetoZ breaks symmetries in sort Z
[2023-03-19 12:21:48] [INFO ] Unfolded HLPN to a Petri net with 106 places and 162 transitions 510 arcs in 10 ms.
[2023-03-19 12:21:48] [INFO ] Unfolded 9 HLPN properties in 0 ms.
Ensure Unique test removed 24 transitions
Reduce redundant transitions removed 24 transitions.
Support contains 88 out of 106 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 106/106 places, 138/138 transitions.
Applied a total of 0 rules in 6 ms. Remains 106 /106 variables (removed 0) and now considering 138/138 (removed 0) transitions.
// Phase 1: matrix 138 rows 106 cols
[2023-03-19 12:21:48] [INFO ] Computed 15 place invariants in 10 ms
[2023-03-19 12:21:49] [INFO ] Implicit Places using invariants in 88 ms returned []
[2023-03-19 12:21:49] [INFO ] Invariant cache hit.
[2023-03-19 12:21:49] [INFO ] Implicit Places using invariants and state equation in 83 ms returned []
Implicit Place search using SMT with State Equation took 174 ms to find 0 implicit places.
[2023-03-19 12:21:49] [INFO ] Invariant cache hit.
[2023-03-19 12:21:49] [INFO ] Dead Transitions using invariants and state equation in 97 ms found 0 transitions.
Finished structural reductions in LTL mode , in 1 iterations and 279 ms. Remains : 106/106 places, 138/138 transitions.
Support contains 88 out of 106 places after structural reductions.
[2023-03-19 12:21:49] [INFO ] Flatten gal took : 15 ms
[2023-03-19 12:21:49] [INFO ] Flatten gal took : 12 ms
[2023-03-19 12:21:49] [INFO ] Input system was already deterministic with 138 transitions.
Incomplete random walk after 10000 steps, including 2 resets, run finished after 31 ms. (steps per millisecond=322 ) properties (out of 17) seen :16
Incomplete Best-First random walk after 10001 steps, including 2 resets, run finished after 17 ms. (steps per millisecond=588 ) properties (out of 1) seen :0
Running SMT prover for 1 properties.
[2023-03-19 12:21:49] [INFO ] Invariant cache hit.
[2023-03-19 12:21:49] [INFO ] [Real]Absence check using 15 positive place invariants in 4 ms returned sat
[2023-03-19 12:21:49] [INFO ] After 50ms SMT Verify possible using all constraints in real domain returned unsat :1 sat :0
Fused 1 Parikh solutions to 0 different solutions.
Parikh walk visited 0 properties in 0 ms.
Successfully simplified 1 atomic propositions for a total of 9 simplifications.
Computed a total of 0 stabilizing places and 0 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(p0)||(F(p1)&&F(G(!p1)))))'
Support contains 24 out of 106 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 106/106 places, 138/138 transitions.
Discarding 12 places :
Symmetric choice reduction at 0 with 12 rule applications. Total rules 12 place count 94 transition count 126
Iterating global reduction 0 with 12 rules applied. Total rules applied 24 place count 94 transition count 126
Applied a total of 24 rules in 6 ms. Remains 94 /106 variables (removed 12) and now considering 126/138 (removed 12) transitions.
// Phase 1: matrix 126 rows 94 cols
[2023-03-19 12:21:49] [INFO ] Computed 15 place invariants in 2 ms
[2023-03-19 12:21:49] [INFO ] Implicit Places using invariants in 58 ms returned [63]
Discarding 1 places :
Implicit Place search using SMT only with invariants took 60 ms to find 1 implicit places.
Starting structural reductions in LTL mode, iteration 1 : 93/106 places, 126/138 transitions.
Applied a total of 0 rules in 1 ms. Remains 93 /93 variables (removed 0) and now considering 126/126 (removed 0) transitions.
Finished structural reductions in LTL mode , in 2 iterations and 68 ms. Remains : 93/106 places, 126/138 transitions.
Stuttering acceptance computed with spot in 281 ms :[(NOT p0), (AND (NOT p1) (NOT p0)), (AND (NOT p0) p1), (NOT p1), p1]
Running random walk in product with property : UtilityControlRoom-COL-Z2T4N06-LTLCardinality-00 automaton TGBA Formula[mat=[[{ cond=(NOT p1), acceptance={} source=0 dest: 1}, { cond=true, acceptance={} source=0 dest: 2}], [{ cond=(AND (NOT p1) (NOT p0)), acceptance={} source=1 dest: 3}], [{ cond=(NOT p0), acceptance={} source=2 dest: 4}], [{ cond=(NOT p1), acceptance={0} source=3 dest: 3}], [{ cond=(NOT p1), acceptance={} source=4 dest: 4}, { cond=p1, acceptance={0} source=4 dest: 4}]], initial=0, aps=[p1:(GT 3 (ADD s69 s70 s71 s72 s73 s74)), p0:(LEQ (ADD s63 s64 s65 s66 s67 s68) (ADD s20 s21 s22 s23 s24 s25 s26 s27 s28 s29 s30 s31))], nbAcceptance=1, properties=[trans-labels, explicit-labels, trans-acc, no-univ-branch, stutter-sensitive], stateDesc=[null, null, null, null, null][false, false, false, false, false]]
Product exploration explored 100000 steps with 50000 reset in 326 ms.
Product exploration explored 100000 steps with 50000 reset in 186 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 p1 p0), (X p0), (X (NOT (AND (NOT p1) (NOT p0)))), (X (X p1))]
False Knowledge obtained : []
Property proved to be true thanks to knowledge :(X p0)
Knowledge based reduction with 4 factoid took 61 ms. Reduced automaton from 5 states, 7 edges and 2 AP (stutter sensitive) to 1 states, 0 edges and 0 AP (stutter insensitive).
FORMULA UtilityControlRoom-COL-Z2T4N06-LTLCardinality-00 TRUE TECHNIQUES KNOWLEDGE
Treatment of property UtilityControlRoom-COL-Z2T4N06-LTLCardinality-00 finished in 1016 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((F(p0)&&G(p1))))'
Support contains 12 out of 106 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 106/106 places, 138/138 transitions.
Discarding 12 places :
Symmetric choice reduction at 0 with 12 rule applications. Total rules 12 place count 94 transition count 126
Iterating global reduction 0 with 12 rules applied. Total rules applied 24 place count 94 transition count 126
Applied a total of 24 rules in 10 ms. Remains 94 /106 variables (removed 12) and now considering 126/138 (removed 12) transitions.
[2023-03-19 12:21:50] [INFO ] Invariant cache hit.
[2023-03-19 12:21:50] [INFO ] Implicit Places using invariants in 63 ms returned [63]
Discarding 1 places :
Implicit Place search using SMT only with invariants took 65 ms to find 1 implicit places.
Starting structural reductions in LTL mode, iteration 1 : 93/106 places, 126/138 transitions.
Applied a total of 0 rules in 2 ms. Remains 93 /93 variables (removed 0) and now considering 126/126 (removed 0) transitions.
Finished structural reductions in LTL mode , in 2 iterations and 77 ms. Remains : 93/106 places, 126/138 transitions.
Stuttering acceptance computed with spot in 124 ms :[(NOT p1), (OR (NOT p0) (NOT p1)), true, (OR (NOT p1) (NOT p0))]
Running random walk in product with property : UtilityControlRoom-COL-Z2T4N06-LTLCardinality-02 automaton TGBA Formula[mat=[[{ cond=p1, acceptance={} source=0 dest: 0}, { cond=(NOT p1), acceptance={} source=0 dest: 2}], [{ cond=true, acceptance={} source=1 dest: 3}], [{ cond=true, acceptance={0} source=2 dest: 2}], [{ cond=(AND p0 p1), acceptance={0} source=3 dest: 0}, { cond=(NOT p1), acceptance={0} source=3 dest: 2}, { cond=(AND (NOT p0) p1), acceptance={0} source=3 dest: 3}]], initial=1, aps=[p1:(GT 1 (ADD s75 s76 s77 s78 s79 s80)), p0:(GT 1 (ADD s56 s57 s58 s59 s60 s61))], 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][false, false, false, false]]
Entered a terminal (fully accepting) state of product in 3 steps with 0 reset in 1 ms.
FORMULA UtilityControlRoom-COL-Z2T4N06-LTLCardinality-02 FALSE TECHNIQUES STUTTER_TEST
Treatment of property UtilityControlRoom-COL-Z2T4N06-LTLCardinality-02 finished in 215 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(G(((p1&&F(p2)) U p2))))))'
Support contains 27 out of 106 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 106/106 places, 138/138 transitions.
Discarding 12 places :
Symmetric choice reduction at 0 with 12 rule applications. Total rules 12 place count 94 transition count 126
Iterating global reduction 0 with 12 rules applied. Total rules applied 24 place count 94 transition count 126
Applied a total of 24 rules in 8 ms. Remains 94 /106 variables (removed 12) and now considering 126/138 (removed 12) transitions.
[2023-03-19 12:21:50] [INFO ] Invariant cache hit.
[2023-03-19 12:21:50] [INFO ] Implicit Places using invariants in 45 ms returned []
[2023-03-19 12:21:50] [INFO ] Invariant cache hit.
[2023-03-19 12:21:50] [INFO ] Implicit Places using invariants and state equation in 64 ms returned []
Implicit Place search using SMT with State Equation took 111 ms to find 0 implicit places.
[2023-03-19 12:21:50] [INFO ] Invariant cache hit.
[2023-03-19 12:21:51] [INFO ] Dead Transitions using invariants and state equation in 67 ms found 0 transitions.
Starting structural reductions in LTL mode, iteration 1 : 94/106 places, 126/138 transitions.
Finished structural reductions in LTL mode , in 1 iterations and 187 ms. Remains : 94/106 places, 126/138 transitions.
Stuttering acceptance computed with spot in 154 ms :[(OR (NOT p2) (NOT p0)), (OR (NOT p2) (NOT p0)), true, (NOT p2), (NOT p2)]
Running random walk in product with property : UtilityControlRoom-COL-Z2T4N06-LTLCardinality-05 automaton TGBA Formula[mat=[[{ cond=true, acceptance={} source=0 dest: 1}], [{ cond=(NOT p0), acceptance={} source=1 dest: 2}, { cond=p0, acceptance={} source=1 dest: 3}, { cond=(AND p0 (NOT p2) p1), acceptance={} source=1 dest: 4}], [{ cond=true, acceptance={0} source=2 dest: 2}], [{ cond=(OR p2 p1), acceptance={} source=3 dest: 3}, { cond=(AND (NOT p2) (NOT p1)), acceptance={0} source=3 dest: 3}, { cond=(AND (NOT p2) p1), acceptance={0} source=3 dest: 4}], [{ cond=(AND (NOT p2) (NOT p1)), acceptance={0} source=4 dest: 3}, { cond=(AND (NOT p2) p1), acceptance={0} source=4 dest: 4}]], initial=0, aps=[p0:(LEQ 3 s63), p2:(LEQ 2 (ADD s20 s21 s22 s23 s24 s25 s26 s27 s28 s29 s30 s31)), p1:(LEQ (ADD s82 s83 s84 s85 s86 s87 s88 s89 s90 s91 s92 s93) (ADD s0 s1...], nbAcceptance=1, properties=[trans-labels, explicit-labels, trans-acc, no-univ-branch, stutter-sensitive], 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 UtilityControlRoom-COL-Z2T4N06-LTLCardinality-05 FALSE TECHNIQUES STUTTER_TEST
Treatment of property UtilityControlRoom-COL-Z2T4N06-LTLCardinality-05 finished in 365 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(F((p0||X(p1)))))'
Support contains 8 out of 106 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 106/106 places, 138/138 transitions.
Discarding 12 places :
Symmetric choice reduction at 0 with 12 rule applications. Total rules 12 place count 94 transition count 126
Iterating global reduction 0 with 12 rules applied. Total rules applied 24 place count 94 transition count 126
Applied a total of 24 rules in 7 ms. Remains 94 /106 variables (removed 12) and now considering 126/138 (removed 12) transitions.
[2023-03-19 12:21:51] [INFO ] Invariant cache hit.
[2023-03-19 12:21:51] [INFO ] Implicit Places using invariants in 45 ms returned []
[2023-03-19 12:21:51] [INFO ] Invariant cache hit.
[2023-03-19 12:21:51] [INFO ] Implicit Places using invariants and state equation in 63 ms returned []
Implicit Place search using SMT with State Equation took 109 ms to find 0 implicit places.
[2023-03-19 12:21:51] [INFO ] Invariant cache hit.
[2023-03-19 12:21:51] [INFO ] Dead Transitions using invariants and state equation in 57 ms found 0 transitions.
Starting structural reductions in LTL mode, iteration 1 : 94/106 places, 126/138 transitions.
Finished structural reductions in LTL mode , in 1 iterations and 173 ms. Remains : 94/106 places, 126/138 transitions.
Stuttering acceptance computed with spot in 104 ms :[(AND (NOT p0) (NOT p1)), (AND (NOT p0) (NOT p1)), (AND (NOT p0) (NOT p1))]
Running random walk in product with property : UtilityControlRoom-COL-Z2T4N06-LTLCardinality-08 automaton TGBA Formula[mat=[[{ cond=true, acceptance={} source=0 dest: 1}], [{ cond=(NOT p0), acceptance={} source=1 dest: 2}], [{ cond=(AND (NOT p0) (NOT p1)), acceptance={0} source=2 dest: 2}]], initial=0, aps=[p0:(LEQ (ADD s70 s71 s72 s73 s74 s75) s62), p1:(LEQ s63 s62)], 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][false, false, false]]
Product exploration explored 100000 steps with 50000 reset in 149 ms.
Product exploration explored 100000 steps with 50000 reset in 173 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 p0 p1), (X p0), (X (X (NOT (AND (NOT p0) (NOT p1)))))]
False Knowledge obtained : []
Property proved to be true thanks to knowledge :(X p0)
Knowledge based reduction with 3 factoid took 51 ms. Reduced automaton from 3 states, 3 edges and 2 AP (stutter sensitive) to 1 states, 0 edges and 0 AP (stutter insensitive).
FORMULA UtilityControlRoom-COL-Z2T4N06-LTLCardinality-08 TRUE TECHNIQUES KNOWLEDGE
Treatment of property UtilityControlRoom-COL-Z2T4N06-LTLCardinality-08 finished in 664 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)) U G(p1)))'
Support contains 15 out of 106 places. Attempting structural reductions.
Starting structural reductions in SI_LTL mode, iteration 0 : 106/106 places, 138/138 transitions.
Performed 24 Post agglomeration using F-continuation condition.Transition count delta: 24
Iterating post reduction 0 with 24 rules applied. Total rules applied 24 place count 106 transition count 114
Reduce places removed 24 places and 0 transitions.
Ensure Unique test removed 12 transitions
Reduce isomorphic transitions removed 12 transitions.
Iterating post reduction 1 with 36 rules applied. Total rules applied 60 place count 82 transition count 102
Performed 12 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 2 with 12 Pre rules applied. Total rules applied 60 place count 82 transition count 90
Deduced a syphon composed of 12 places in 0 ms
Reduce places removed 12 places and 0 transitions.
Iterating global reduction 2 with 24 rules applied. Total rules applied 84 place count 70 transition count 90
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 2 with 24 rules applied. Total rules applied 108 place count 58 transition count 78
Applied a total of 108 rules in 27 ms. Remains 58 /106 variables (removed 48) and now considering 78/138 (removed 60) transitions.
// Phase 1: matrix 78 rows 58 cols
[2023-03-19 12:21:51] [INFO ] Computed 15 place invariants in 3 ms
[2023-03-19 12:21:51] [INFO ] Implicit Places using invariants in 55 ms returned [32]
Discarding 1 places :
Implicit Place search using SMT only with invariants took 57 ms to find 1 implicit places.
Starting structural reductions in SI_LTL mode, iteration 1 : 57/106 places, 78/138 transitions.
Applied a total of 0 rules in 3 ms. Remains 57 /57 variables (removed 0) and now considering 78/78 (removed 0) transitions.
Finished structural reductions in SI_LTL mode , in 2 iterations and 88 ms. Remains : 57/106 places, 78/138 transitions.
Stuttering acceptance computed with spot in 67 ms :[(NOT p1), (NOT p0)]
Running random walk in product with property : UtilityControlRoom-COL-Z2T4N06-LTLCardinality-09 automaton TGBA Formula[mat=[[{ cond=p1, acceptance={} source=0 dest: 0}, { cond=(NOT p1), acceptance={0} source=0 dest: 0}, { cond=(NOT p1), 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:(LEQ (ADD s45 s46 s47 s48 s49 s50 s51 s52 s53 s54 s55 s56) (ADD s0 s1)), p0:(LEQ s32 (ADD s45 s46 s47 s48 s49 s50 s51 s52 s53 s54 s55 s56))], nbAcceptance=1, properties=[trans-labels, explicit-labels, trans-acc, complete, no-univ-branch, stutter-invariant], stateDesc=[null, null][true, true]]
Product exploration explored 100000 steps with 0 reset in 171 ms.
Stack based approach found an accepted trace after 130 steps with 0 reset with depth 131 and stack size 131 in 0 ms.
FORMULA UtilityControlRoom-COL-Z2T4N06-LTLCardinality-09 FALSE TECHNIQUES STACK_TEST
Treatment of property UtilityControlRoom-COL-Z2T4N06-LTLCardinality-09 finished in 337 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))'
Support contains 12 out of 106 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 106/106 places, 138/138 transitions.
Discarding 12 places :
Symmetric choice reduction at 0 with 12 rule applications. Total rules 12 place count 94 transition count 126
Iterating global reduction 0 with 12 rules applied. Total rules applied 24 place count 94 transition count 126
Applied a total of 24 rules in 7 ms. Remains 94 /106 variables (removed 12) and now considering 126/138 (removed 12) transitions.
// Phase 1: matrix 126 rows 94 cols
[2023-03-19 12:21:52] [INFO ] Computed 15 place invariants in 3 ms
[2023-03-19 12:21:52] [INFO ] Implicit Places using invariants in 45 ms returned [63]
Discarding 1 places :
Implicit Place search using SMT only with invariants took 45 ms to find 1 implicit places.
Starting structural reductions in LTL mode, iteration 1 : 93/106 places, 126/138 transitions.
Applied a total of 0 rules in 2 ms. Remains 93 /93 variables (removed 0) and now considering 126/126 (removed 0) transitions.
Finished structural reductions in LTL mode , in 2 iterations and 55 ms. Remains : 93/106 places, 126/138 transitions.
Stuttering acceptance computed with spot in 75 ms :[(NOT p0), (NOT p0), true]
Running random walk in product with property : UtilityControlRoom-COL-Z2T4N06-LTLCardinality-11 automaton TGBA Formula[mat=[[{ cond=(NOT p0), acceptance={} source=0 dest: 2}], [{ cond=true, acceptance={} source=1 dest: 0}], [{ cond=true, acceptance={0} source=2 dest: 2}]], initial=1, aps=[p0:(LEQ 2 (ADD s44 s45 s46 s47 s48 s49 s50 s51 s52 s53 s54 s55))], nbAcceptance=1, properties=[trans-labels, explicit-labels, trans-acc, 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 0 ms.
FORMULA UtilityControlRoom-COL-Z2T4N06-LTLCardinality-11 FALSE TECHNIQUES STUTTER_TEST
Treatment of property UtilityControlRoom-COL-Z2T4N06-LTLCardinality-11 finished in 147 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((!p0&&F(p1))))))'
Support contains 12 out of 106 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 106/106 places, 138/138 transitions.
Discarding 12 places :
Symmetric choice reduction at 0 with 12 rule applications. Total rules 12 place count 94 transition count 126
Iterating global reduction 0 with 12 rules applied. Total rules applied 24 place count 94 transition count 126
Applied a total of 24 rules in 8 ms. Remains 94 /106 variables (removed 12) and now considering 126/138 (removed 12) transitions.
[2023-03-19 12:21:52] [INFO ] Invariant cache hit.
[2023-03-19 12:21:52] [INFO ] Implicit Places using invariants in 55 ms returned [63]
Discarding 1 places :
Implicit Place search using SMT only with invariants took 57 ms to find 1 implicit places.
Starting structural reductions in LTL mode, iteration 1 : 93/106 places, 126/138 transitions.
Applied a total of 0 rules in 5 ms. Remains 93 /93 variables (removed 0) and now considering 126/126 (removed 0) transitions.
Finished structural reductions in LTL mode , in 2 iterations and 70 ms. Remains : 93/106 places, 126/138 transitions.
Stuttering acceptance computed with spot in 204 ms :[(AND (NOT p0) (NOT p1)), (AND (NOT p0) (NOT p1)), (NOT p0), (NOT p1), (OR (NOT p1) p0), true]
Running random walk in product with property : UtilityControlRoom-COL-Z2T4N06-LTLCardinality-13 automaton TGBA Formula[mat=[[{ cond=true, acceptance={} source=0 dest: 1}], [{ cond=p0, acceptance={} source=1 dest: 2}, { cond=(AND (NOT p0) (NOT p1)), acceptance={} source=1 dest: 3}, { cond=(NOT p0), acceptance={} source=1 dest: 4}], [{ cond=p0, acceptance={} source=2 dest: 2}, { cond=(NOT p0), acceptance={} source=2 dest: 5}], [{ cond=(NOT p1), acceptance={0} source=3 dest: 3}], [{ cond=(AND (NOT p0) (NOT p1)), acceptance={} source=4 dest: 3}, { cond=(NOT p0), acceptance={} source=4 dest: 4}, { cond=p0, acceptance={} source=4 dest: 5}], [{ cond=true, acceptance={0} source=5 dest: 5}]], initial=0, aps=[p0:(LEQ (ADD s75 s76 s77 s78 s79 s80) (ADD s69 s70 s71 s72 s73 s74)), p1:(LEQ 2 (ADD s75 s76 s77 s78 s79 s80))], 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][false, false, false, false, false, false]]
Entered a terminal (fully accepting) state of product in 14 steps with 0 reset in 0 ms.
FORMULA UtilityControlRoom-COL-Z2T4N06-LTLCardinality-13 FALSE TECHNIQUES STUTTER_TEST
Treatment of property UtilityControlRoom-COL-Z2T4N06-LTLCardinality-13 finished in 294 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(F(p0))))'
Support contains 14 out of 106 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 106/106 places, 138/138 transitions.
Discarding 12 places :
Symmetric choice reduction at 0 with 12 rule applications. Total rules 12 place count 94 transition count 126
Iterating global reduction 0 with 12 rules applied. Total rules applied 24 place count 94 transition count 126
Applied a total of 24 rules in 9 ms. Remains 94 /106 variables (removed 12) and now considering 126/138 (removed 12) transitions.
[2023-03-19 12:21:52] [INFO ] Invariant cache hit.
[2023-03-19 12:21:52] [INFO ] Implicit Places using invariants in 53 ms returned [63]
Discarding 1 places :
Implicit Place search using SMT only with invariants took 55 ms to find 1 implicit places.
Starting structural reductions in LTL mode, iteration 1 : 93/106 places, 126/138 transitions.
Applied a total of 0 rules in 1 ms. Remains 93 /93 variables (removed 0) and now considering 126/126 (removed 0) transitions.
Finished structural reductions in LTL mode , in 2 iterations and 65 ms. Remains : 93/106 places, 126/138 transitions.
Stuttering acceptance computed with spot in 111 ms :[(NOT p0), (NOT p0), (NOT p0)]
Running random walk in product with property : UtilityControlRoom-COL-Z2T4N06-LTLCardinality-14 automaton TGBA Formula[mat=[[{ cond=(NOT p0), acceptance={0} source=0 dest: 0}], [{ cond=true, acceptance={} source=1 dest: 0}], [{ cond=true, acceptance={} source=2 dest: 1}]], initial=2, aps=[p0:(LEQ (ADD s81 s82 s83 s84 s85 s86 s87 s88 s89 s90 s91 s92) (ADD s0 s1))], 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][false, false, false]]
Product exploration explored 100000 steps with 33333 reset in 147 ms.
Product exploration explored 100000 steps with 33333 reset in 155 ms.
Computed a total of 0 stabilizing places and 0 stable transitions
Computed a total of 0 stabilizing places and 0 stable transitions
Knowledge obtained : [p0, (X (X p0))]
False Knowledge obtained : []
Property proved to be true thanks to knowledge :(X (X p0))
Knowledge based reduction with 2 factoid took 52 ms. Reduced automaton from 3 states, 3 edges and 1 AP (stutter sensitive) to 1 states, 0 edges and 0 AP (stutter insensitive).
FORMULA UtilityControlRoom-COL-Z2T4N06-LTLCardinality-14 TRUE TECHNIQUES KNOWLEDGE
Treatment of property UtilityControlRoom-COL-Z2T4N06-LTLCardinality-14 finished in 545 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((X(X(X((p0 U p1))))||G(p2))))'
Support contains 31 out of 106 places. Attempting structural reductions.
Property had overlarge support with respect to TGBA, discarding it for now.
Starting structural reductions in LTL mode, iteration 0 : 106/106 places, 138/138 transitions.
Applied a total of 0 rules in 3 ms. Remains 106 /106 variables (removed 0) and now considering 138/138 (removed 0) transitions.
// Phase 1: matrix 138 rows 106 cols
[2023-03-19 12:21:53] [INFO ] Computed 15 place invariants in 1 ms
[2023-03-19 12:21:53] [INFO ] Implicit Places using invariants in 43 ms returned []
[2023-03-19 12:21:53] [INFO ] Invariant cache hit.
[2023-03-19 12:21:53] [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.
[2023-03-19 12:21:53] [INFO ] Invariant cache hit.
[2023-03-19 12:21:53] [INFO ] Dead Transitions using invariants and state equation in 60 ms found 0 transitions.
Finished structural reductions in LTL mode , in 1 iterations and 171 ms. Remains : 106/106 places, 138/138 transitions.
Stuttering acceptance computed with spot in 137 ms :[(AND (NOT p2) (NOT p1)), (AND (NOT p2) (NOT p1)), (AND (NOT p2) (NOT p1)), (AND (NOT p2) (NOT p1))]
Running random walk in product with property : UtilityControlRoom-COL-Z2T4N06-LTLCardinality-15 automaton TGBA Formula[mat=[[{ cond=true, acceptance={} source=0 dest: 1}], [{ cond=true, acceptance={} source=1 dest: 2}], [{ cond=true, acceptance={} source=2 dest: 3}], [{ cond=(AND p2 (NOT p1)), acceptance={} source=3 dest: 3}, { cond=(AND (NOT p2) (NOT p1)), acceptance={0} source=3 dest: 3}]], initial=0, aps=[p2:(LEQ s75 (ADD s32 s33 s34 s35 s36 s37 s38 s39 s40 s41 s42 s43 s44 s45 s46 s47 s48 s49 s50 s51 s52 s53 s54 s55)), p1:(LEQ 1 (ADD s76 s77 s78 s79 s80 s81...], nbAcceptance=1, properties=[trans-labels, explicit-labels, trans-acc, deterministic, no-univ-branch, unambiguous, semi-deterministic, stutter-sensitive], stateDesc=[null, null, null, null][false, false, false, false]]
Product exploration explored 100000 steps with 4181 reset in 209 ms.
Product exploration explored 100000 steps with 4174 reset in 214 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 p2 (NOT p1)), true]
False Knowledge obtained : []
Knowledge based reduction with 2 factoid took 81 ms. Reduced automaton from 4 states, 5 edges and 2 AP (stutter sensitive) to 4 states, 5 edges and 2 AP (stutter sensitive).
Stuttering acceptance computed with spot in 145 ms :[(AND (NOT p1) (NOT p2)), (AND (NOT p1) (NOT p2)), (AND (NOT p1) (NOT p2)), (AND (NOT p1) (NOT p2))]
Finished random walk after 1 steps, including 0 resets, run visited all 2 properties in 1 ms. (steps per millisecond=1 )
Knowledge obtained : [(AND p2 (NOT p1)), true]
False Knowledge obtained : [(F (NOT (AND (NOT p1) p2))), (F (AND (NOT p1) (NOT p2)))]
Knowledge based reduction with 2 factoid took 96 ms. Reduced automaton from 4 states, 5 edges and 2 AP (stutter sensitive) to 4 states, 5 edges and 2 AP (stutter sensitive).
Stuttering acceptance computed with spot in 165 ms :[(AND (NOT p1) (NOT p2)), (AND (NOT p1) (NOT p2)), (AND (NOT p1) (NOT p2)), (AND (NOT p1) (NOT p2))]
Stuttering acceptance computed with spot in 237 ms :[(AND (NOT p1) (NOT p2)), (AND (NOT p1) (NOT p2)), (AND (NOT p1) (NOT p2)), (AND (NOT p1) (NOT p2))]
Support contains 31 out of 106 places. Attempting structural reductions.
Property had overlarge support with respect to TGBA, discarding it for now.
Starting structural reductions in LTL mode, iteration 0 : 106/106 places, 138/138 transitions.
Applied a total of 0 rules in 1 ms. Remains 106 /106 variables (removed 0) and now considering 138/138 (removed 0) transitions.
[2023-03-19 12:21:54] [INFO ] Invariant cache hit.
[2023-03-19 12:21:54] [INFO ] Implicit Places using invariants in 50 ms returned []
[2023-03-19 12:21:54] [INFO ] Invariant cache hit.
[2023-03-19 12:21:54] [INFO ] Implicit Places using invariants and state equation in 64 ms returned []
Implicit Place search using SMT with State Equation took 115 ms to find 0 implicit places.
[2023-03-19 12:21:54] [INFO ] Invariant cache hit.
[2023-03-19 12:21:54] [INFO ] Dead Transitions using invariants and state equation in 67 ms found 0 transitions.
Finished structural reductions in LTL mode , in 1 iterations and 185 ms. Remains : 106/106 places, 138/138 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 p1) p2), true]
False Knowledge obtained : []
Knowledge based reduction with 2 factoid took 84 ms. Reduced automaton from 4 states, 5 edges and 2 AP (stutter sensitive) to 4 states, 5 edges and 2 AP (stutter sensitive).
Stuttering acceptance computed with spot in 129 ms :[(AND (NOT p1) (NOT p2)), (AND (NOT p1) (NOT p2)), (AND (NOT p1) (NOT p2)), (AND (NOT p1) (NOT p2))]
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 p1) p2), true]
False Knowledge obtained : [(F (NOT (AND (NOT p1) p2))), (F (AND (NOT p1) (NOT p2)))]
Knowledge based reduction with 2 factoid took 130 ms. Reduced automaton from 4 states, 5 edges and 2 AP (stutter sensitive) to 4 states, 5 edges and 2 AP (stutter sensitive).
Stuttering acceptance computed with spot in 152 ms :[(AND (NOT p1) (NOT p2)), (AND (NOT p1) (NOT p2)), (AND (NOT p1) (NOT p2)), (AND (NOT p1) (NOT p2))]
Stuttering acceptance computed with spot in 127 ms :[(AND (NOT p1) (NOT p2)), (AND (NOT p1) (NOT p2)), (AND (NOT p1) (NOT p2)), (AND (NOT p1) (NOT p2))]
Stuttering acceptance computed with spot in 142 ms :[(AND (NOT p1) (NOT p2)), (AND (NOT p1) (NOT p2)), (AND (NOT p1) (NOT p2)), (AND (NOT p1) (NOT p2))]
Product exploration explored 100000 steps with 4172 reset in 208 ms.
Product exploration explored 100000 steps with 4166 reset in 217 ms.
Applying partial POR strategy [false, false, false, true]
Stuttering acceptance computed with spot in 154 ms :[(AND (NOT p1) (NOT p2)), (AND (NOT p1) (NOT p2)), (AND (NOT p1) (NOT p2)), (AND (NOT p1) (NOT p2))]
Support contains 31 out of 106 places. Attempting structural reductions.
Starting structural reductions in SI_LTL mode, iteration 0 : 106/106 places, 138/138 transitions.
Performed 12 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 0 with 12 Pre rules applied. Total rules applied 0 place count 106 transition count 150
Deduced a syphon composed of 12 places in 0 ms
Iterating global reduction 0 with 12 rules applied. Total rules applied 12 place count 106 transition count 150
Performed 6 Post agglomeration using F-continuation condition.Transition count delta: -6
Deduced a syphon composed of 18 places in 0 ms
Iterating global reduction 0 with 6 rules applied. Total rules applied 18 place count 106 transition count 156
Deduced a syphon composed of 18 places in 0 ms
Applied a total of 18 rules in 13 ms. Remains 106 /106 variables (removed 0) and now considering 156/138 (removed -18) transitions.
[2023-03-19 12:21:56] [INFO ] Redundant transitions in 4 ms returned []
// Phase 1: matrix 156 rows 106 cols
[2023-03-19 12:21:56] [INFO ] Computed 15 place invariants in 2 ms
[2023-03-19 12:21:56] [INFO ] Dead Transitions using invariants and state equation in 72 ms found 0 transitions.
Starting structural reductions in SI_LTL mode, iteration 1 : 106/106 places, 156/138 transitions.
Finished structural reductions in SI_LTL mode , in 1 iterations and 100 ms. Remains : 106/106 places, 156/138 transitions.
Support contains 31 out of 106 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 106/106 places, 138/138 transitions.
Applied a total of 0 rules in 1 ms. Remains 106 /106 variables (removed 0) and now considering 138/138 (removed 0) transitions.
// Phase 1: matrix 138 rows 106 cols
[2023-03-19 12:21:56] [INFO ] Computed 15 place invariants in 1 ms
[2023-03-19 12:21:56] [INFO ] Implicit Places using invariants in 42 ms returned []
[2023-03-19 12:21:56] [INFO ] Invariant cache hit.
[2023-03-19 12:21:56] [INFO ] Implicit Places using invariants and state equation in 85 ms returned []
Implicit Place search using SMT with State Equation took 137 ms to find 0 implicit places.
[2023-03-19 12:21:56] [INFO ] Invariant cache hit.
[2023-03-19 12:21:56] [INFO ] Dead Transitions using invariants and state equation in 57 ms found 0 transitions.
Finished structural reductions in LTL mode , in 1 iterations and 196 ms. Remains : 106/106 places, 138/138 transitions.
Treatment of property UtilityControlRoom-COL-Z2T4N06-LTLCardinality-15 finished in 3551 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((X(X(X((p0 U p1))))||G(p2))))'
Found a Shortening insensitive property : UtilityControlRoom-COL-Z2T4N06-LTLCardinality-15
Stuttering acceptance computed with spot in 145 ms :[(AND (NOT p2) (NOT p1)), (AND (NOT p2) (NOT p1)), (AND (NOT p2) (NOT p1)), (AND (NOT p2) (NOT p1))]
Support contains 31 out of 106 places. Attempting structural reductions.
Property had overlarge support with respect to TGBA, discarding it for now.
Starting structural reductions in LI_LTL mode, iteration 0 : 106/106 places, 138/138 transitions.
Performed 12 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 0 with 12 Pre rules applied. Total rules applied 0 place count 106 transition count 126
Deduced a syphon composed of 12 places in 0 ms
Reduce places removed 12 places and 0 transitions.
Iterating global reduction 0 with 24 rules applied. Total rules applied 24 place count 94 transition count 126
Performed 6 Post agglomeration using F-continuation condition.Transition count delta: 6
Deduced a syphon composed of 6 places in 0 ms
Reduce places removed 6 places and 0 transitions.
Iterating global reduction 0 with 12 rules applied. Total rules applied 36 place count 88 transition count 120
Applied a total of 36 rules in 12 ms. Remains 88 /106 variables (removed 18) and now considering 120/138 (removed 18) transitions.
// Phase 1: matrix 120 rows 88 cols
[2023-03-19 12:21:56] [INFO ] Computed 15 place invariants in 2 ms
[2023-03-19 12:21:57] [INFO ] Implicit Places using invariants in 46 ms returned []
[2023-03-19 12:21:57] [INFO ] Invariant cache hit.
[2023-03-19 12:21:57] [INFO ] Implicit Places using invariants and state equation in 67 ms returned []
Implicit Place search using SMT with State Equation took 121 ms to find 0 implicit places.
[2023-03-19 12:21:57] [INFO ] Invariant cache hit.
[2023-03-19 12:21:57] [INFO ] Dead Transitions using invariants and state equation in 60 ms found 0 transitions.
Starting structural reductions in LI_LTL mode, iteration 1 : 88/106 places, 120/138 transitions.
Finished structural reductions in LI_LTL mode , in 1 iterations and 193 ms. Remains : 88/106 places, 120/138 transitions.
Running random walk in product with property : UtilityControlRoom-COL-Z2T4N06-LTLCardinality-15 automaton TGBA Formula[mat=[[{ cond=true, acceptance={} source=0 dest: 1}], [{ cond=true, acceptance={} source=1 dest: 2}], [{ cond=true, acceptance={} source=2 dest: 3}], [{ cond=(AND p2 (NOT p1)), acceptance={} source=3 dest: 3}, { cond=(AND (NOT p2) (NOT p1)), acceptance={0} source=3 dest: 3}]], initial=0, aps=[p2:(LEQ s57 (ADD s32 s33 s34 s35 s36 s37 s38 s39 s40 s41 s42 s43 s44 s45 s46 s47 s48 s49 s50 s51 s52 s53 s54 s55)), p1:(LEQ 1 (ADD s58 s59 s60 s61 s62 s63...], nbAcceptance=1, properties=[trans-labels, explicit-labels, trans-acc, deterministic, no-univ-branch, unambiguous, semi-deterministic, stutter-sensitive, cl-invariant], stateDesc=[null, null, null, null][false, false, false, false]]
Product exploration explored 100000 steps with 6198 reset in 209 ms.
Product exploration explored 100000 steps with 6194 reset in 214 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 p2 (NOT p1)), true]
False Knowledge obtained : []
Knowledge based reduction with 2 factoid took 88 ms. Reduced automaton from 4 states, 5 edges and 2 AP (stutter sensitive) to 4 states, 5 edges and 2 AP (stutter sensitive).
Stuttering acceptance computed with spot in 146 ms :[(AND (NOT p1) (NOT p2)), (AND (NOT p1) (NOT p2)), (AND (NOT p1) (NOT p2)), (AND (NOT p1) (NOT p2))]
Finished random walk after 1 steps, including 0 resets, run visited all 2 properties in 1 ms. (steps per millisecond=1 )
Knowledge obtained : [(AND p2 (NOT p1)), true]
False Knowledge obtained : [(F (NOT (AND (NOT p1) p2))), (F (AND (NOT p1) (NOT p2)))]
Knowledge based reduction with 2 factoid took 127 ms. Reduced automaton from 4 states, 5 edges and 2 AP (stutter sensitive) to 4 states, 5 edges and 2 AP (stutter sensitive).
Stuttering acceptance computed with spot in 174 ms :[(AND (NOT p1) (NOT p2)), (AND (NOT p1) (NOT p2)), (AND (NOT p1) (NOT p2)), (AND (NOT p1) (NOT p2))]
Stuttering acceptance computed with spot in 163 ms :[(AND (NOT p1) (NOT p2)), (AND (NOT p1) (NOT p2)), (AND (NOT p1) (NOT p2)), (AND (NOT p1) (NOT p2))]
Support contains 31 out of 88 places. Attempting structural reductions.
Property had overlarge support with respect to TGBA, discarding it for now.
Starting structural reductions in LTL mode, iteration 0 : 88/88 places, 120/120 transitions.
Applied a total of 0 rules in 2 ms. Remains 88 /88 variables (removed 0) and now considering 120/120 (removed 0) transitions.
[2023-03-19 12:21:58] [INFO ] Invariant cache hit.
[2023-03-19 12:21:58] [INFO ] Implicit Places using invariants in 46 ms returned []
[2023-03-19 12:21:58] [INFO ] Invariant cache hit.
[2023-03-19 12:21:58] [INFO ] Implicit Places using invariants and state equation in 85 ms returned []
Implicit Place search using SMT with State Equation took 160 ms to find 0 implicit places.
[2023-03-19 12:21:58] [INFO ] Invariant cache hit.
[2023-03-19 12:21:58] [INFO ] Dead Transitions using invariants and state equation in 79 ms found 0 transitions.
Finished structural reductions in LTL mode , in 1 iterations and 242 ms. Remains : 88/88 places, 120/120 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 p1) p2), true]
False Knowledge obtained : []
Knowledge based reduction with 2 factoid took 83 ms. Reduced automaton from 4 states, 5 edges and 2 AP (stutter sensitive) to 4 states, 5 edges and 2 AP (stutter sensitive).
Stuttering acceptance computed with spot in 183 ms :[(AND (NOT p1) (NOT p2)), (AND (NOT p1) (NOT p2)), (AND (NOT p1) (NOT p2)), (AND (NOT p1) (NOT p2))]
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 p1) p2), true]
False Knowledge obtained : [(F (NOT (AND (NOT p1) p2))), (F (AND (NOT p1) (NOT p2)))]
Knowledge based reduction with 2 factoid took 137 ms. Reduced automaton from 4 states, 5 edges and 2 AP (stutter sensitive) to 4 states, 5 edges and 2 AP (stutter sensitive).
Stuttering acceptance computed with spot in 142 ms :[(AND (NOT p1) (NOT p2)), (AND (NOT p1) (NOT p2)), (AND (NOT p1) (NOT p2)), (AND (NOT p1) (NOT p2))]
Stuttering acceptance computed with spot in 129 ms :[(AND (NOT p1) (NOT p2)), (AND (NOT p1) (NOT p2)), (AND (NOT p1) (NOT p2)), (AND (NOT p1) (NOT p2))]
Stuttering acceptance computed with spot in 128 ms :[(AND (NOT p1) (NOT p2)), (AND (NOT p1) (NOT p2)), (AND (NOT p1) (NOT p2)), (AND (NOT p1) (NOT p2))]
Product exploration explored 100000 steps with 6210 reset in 213 ms.
Product exploration explored 100000 steps with 6183 reset in 230 ms.
Applying partial POR strategy [false, false, false, true]
Stuttering acceptance computed with spot in 178 ms :[(AND (NOT p1) (NOT p2)), (AND (NOT p1) (NOT p2)), (AND (NOT p1) (NOT p2)), (AND (NOT p1) (NOT p2))]
Support contains 31 out of 88 places. Attempting structural reductions.
Starting structural reductions in SI_LTL mode, iteration 0 : 88/88 places, 120/120 transitions.
Applied a total of 0 rules in 6 ms. Remains 88 /88 variables (removed 0) and now considering 120/120 (removed 0) transitions.
[2023-03-19 12:22:00] [INFO ] Redundant transitions in 5 ms returned []
[2023-03-19 12:22:00] [INFO ] Invariant cache hit.
[2023-03-19 12:22:00] [INFO ] Dead Transitions using invariants and state equation in 55 ms found 0 transitions.
Finished structural reductions in SI_LTL mode , in 1 iterations and 75 ms. Remains : 88/88 places, 120/120 transitions.
Support contains 31 out of 88 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 88/88 places, 120/120 transitions.
Applied a total of 0 rules in 0 ms. Remains 88 /88 variables (removed 0) and now considering 120/120 (removed 0) transitions.
[2023-03-19 12:22:00] [INFO ] Invariant cache hit.
[2023-03-19 12:22:00] [INFO ] Implicit Places using invariants in 39 ms returned []
[2023-03-19 12:22:00] [INFO ] Invariant cache hit.
[2023-03-19 12:22:00] [INFO ] Implicit Places using invariants and state equation in 59 ms returned []
Implicit Place search using SMT with State Equation took 110 ms to find 0 implicit places.
[2023-03-19 12:22:00] [INFO ] Invariant cache hit.
[2023-03-19 12:22:00] [INFO ] Dead Transitions using invariants and state equation in 64 ms found 0 transitions.
Finished structural reductions in LTL mode , in 1 iterations and 175 ms. Remains : 88/88 places, 120/120 transitions.
Treatment of property UtilityControlRoom-COL-Z2T4N06-LTLCardinality-15 finished in 3643 ms.
[2023-03-19 12:22:00] [INFO ] Flatten gal took : 22 ms
[2023-03-19 12:22:00] [INFO ] Export to MCC of 1 properties in file /home/mcc/execution/LTLCardinality.sr.xml took 1 ms.
[2023-03-19 12:22:00] [INFO ] Export to PNML in file /home/mcc/execution/model.sr.pnml of net with 106 places, 138 transitions and 414 arcs took 2 ms.
Total runtime 12764 ms.
There are residual formulas that ITS could not solve within timeout
starting LoLA
BK_INPUT UtilityControlRoom-COL-Z2T4N06
BK_EXAMINATION: LTLCardinality
bin directory: /home/mcc/BenchKit/bin//../reducer/bin//../../lola/bin/
current directory: /home/mcc/execution/374
LTLCardinality

BK_STOP 1679228571710

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

+ ulimit -s 65536
+ [[ -z '' ]]
+ export LTSMIN_MEM_SIZE=8589934592
+ LTSMIN_MEM_SIZE=8589934592
+ export PYTHONPATH=/home/mcc/BenchKit/itstools/pylibs
+ PYTHONPATH=/home/mcc/BenchKit/itstools/pylibs
+ export LD_LIBRARY_PATH=/home/mcc/BenchKit/itstools/pylibs:
+ LD_LIBRARY_PATH=/home/mcc/BenchKit/itstools/pylibs:
++ sed s/.jar//
++ ls /home/mcc/BenchKit/bin//../reducer/bin//../../itstools//itstools/plugins/fr.lip6.move.gal.application.pnmcc_1.0.0.202303021504.jar
++ perl -pe 's/.*\.//g'
+ VERSION=202303021504
+ echo 'Running Version 202303021504'
+ /home/mcc/BenchKit/bin//../reducer/bin//../../itstools//itstools/its-tools -pnfolder /home/mcc/execution -examination LTLCardinality -timeout 360 -rebuildPNML
lola: MEM LIMIT 32
lola: MEM LIMIT 5
lola: NET
lola: input: PNML file (--pnmlnet)
lola: reading net from /home/mcc/execution/374/model.pnml
lola: reading pnml
lola: PNML file contains place/transition net
lola: finished parsing
lola: closed net file /home/mcc/execution/374/model.pnml
lola: Reading formula.
lola: Using XML format (--xmlformula)
lola: reading XML formula
lola: reading formula from /home/mcc/execution/374/LTLCardinality.xml
lola: Rule S: 0 transitions removed,0 places removed
lola: Created skeleton in 0.000000 secs.
lola: NOTDEADLOCKFREE
lola: LAUNCH task # 1 (type EXCL) for 0 UtilityControlRoom-COL-Z2T4N06-LTLCardinality-15
lola: time limit : 3600 sec
lola: memory limit: 32 pages
FINISHED FORMULA: CATEGORY VALUE PRODUCED BY

PENDING FORMULAS: CATEGORY IDL ACT RUN SUS FIN C/T C/M OBS
UtilityControlRoom-COL-Z2T4N06-LTLCardinality-15: LTL 0 0 1 0 1 0 0 0

TASK CATEGORY TYPE TIME/TLIMIT MEM PG/PGLIMIT FORMULA STATUS
1 LTL EXCL 5/3600 5/32 UtilityControlRoom-COL-Z2T4N06-LTLCardinality-15 655352 m, 131070 m/sec, 5638865 t fired, .

Time elapsed: 5 secs. Pages in use: 5
# running tasks: 1 of 4 Visible: 1
FINISHED FORMULA: CATEGORY VALUE PRODUCED BY

PENDING FORMULAS: CATEGORY IDL ACT RUN SUS FIN C/T C/M OBS
UtilityControlRoom-COL-Z2T4N06-LTLCardinality-15: LTL 0 0 1 0 1 0 0 0

TASK CATEGORY TYPE TIME/TLIMIT MEM PG/PGLIMIT FORMULA STATUS
1 LTL EXCL 10/3600 8/32 UtilityControlRoom-COL-Z2T4N06-LTLCardinality-15 1213763 m, 111682 m/sec, 11140334 t fired, .

Time elapsed: 10 secs. Pages in use: 8
# running tasks: 1 of 4 Visible: 1
FINISHED FORMULA: CATEGORY VALUE PRODUCED BY

PENDING FORMULAS: CATEGORY IDL ACT RUN SUS FIN C/T C/M OBS
UtilityControlRoom-COL-Z2T4N06-LTLCardinality-15: LTL 0 0 1 0 1 0 0 0

TASK CATEGORY TYPE TIME/TLIMIT MEM PG/PGLIMIT FORMULA STATUS
1 LTL EXCL 15/3600 12/32 UtilityControlRoom-COL-Z2T4N06-LTLCardinality-15 1733078 m, 103863 m/sec, 16706694 t fired, .

Time elapsed: 15 secs. Pages in use: 12
# running tasks: 1 of 4 Visible: 1
FINISHED FORMULA: CATEGORY VALUE PRODUCED BY

PENDING FORMULAS: CATEGORY IDL ACT RUN SUS FIN C/T C/M OBS
UtilityControlRoom-COL-Z2T4N06-LTLCardinality-15: LTL 0 0 1 0 1 0 0 0

TASK CATEGORY TYPE TIME/TLIMIT MEM PG/PGLIMIT FORMULA STATUS
1 LTL EXCL 20/3600 15/32 UtilityControlRoom-COL-Z2T4N06-LTLCardinality-15 2250710 m, 103526 m/sec, 22168578 t fired, .

Time elapsed: 20 secs. Pages in use: 15
# running tasks: 1 of 4 Visible: 1
FINISHED FORMULA: CATEGORY VALUE PRODUCED BY

PENDING FORMULAS: CATEGORY IDL ACT RUN SUS FIN C/T C/M OBS
UtilityControlRoom-COL-Z2T4N06-LTLCardinality-15: LTL 0 0 1 0 1 0 0 0

TASK CATEGORY TYPE TIME/TLIMIT MEM PG/PGLIMIT FORMULA STATUS
1 LTL EXCL 25/3600 18/32 UtilityControlRoom-COL-Z2T4N06-LTLCardinality-15 2717123 m, 93282 m/sec, 27687357 t fired, .

Time elapsed: 25 secs. Pages in use: 18
# running tasks: 1 of 4 Visible: 1
FINISHED FORMULA: CATEGORY VALUE PRODUCED BY

PENDING FORMULAS: CATEGORY IDL ACT RUN SUS FIN C/T C/M OBS
UtilityControlRoom-COL-Z2T4N06-LTLCardinality-15: LTL 0 0 1 0 1 0 0 0

TASK CATEGORY TYPE TIME/TLIMIT MEM PG/PGLIMIT FORMULA STATUS
1 LTL EXCL 30/3600 21/32 UtilityControlRoom-COL-Z2T4N06-LTLCardinality-15 3138852 m, 84345 m/sec, 33254402 t fired, .

Time elapsed: 30 secs. Pages in use: 21
# running tasks: 1 of 4 Visible: 1
FINISHED FORMULA: CATEGORY VALUE PRODUCED BY

PENDING FORMULAS: CATEGORY IDL ACT RUN SUS FIN C/T C/M OBS
UtilityControlRoom-COL-Z2T4N06-LTLCardinality-15: LTL 0 0 1 0 1 0 0 0

TASK CATEGORY TYPE TIME/TLIMIT MEM PG/PGLIMIT FORMULA STATUS
1 LTL EXCL 35/3600 25/32 UtilityControlRoom-COL-Z2T4N06-LTLCardinality-15 3679562 m, 108142 m/sec, 38842863 t fired, .

Time elapsed: 35 secs. Pages in use: 25
# running tasks: 1 of 4 Visible: 1
FINISHED FORMULA: CATEGORY VALUE PRODUCED BY

PENDING FORMULAS: CATEGORY IDL ACT RUN SUS FIN C/T C/M OBS
UtilityControlRoom-COL-Z2T4N06-LTLCardinality-15: LTL 0 0 1 0 1 0 0 0

TASK CATEGORY TYPE TIME/TLIMIT MEM PG/PGLIMIT FORMULA STATUS
1 LTL EXCL 40/3600 28/32 UtilityControlRoom-COL-Z2T4N06-LTLCardinality-15 4181785 m, 100444 m/sec, 44300027 t fired, .

Time elapsed: 40 secs. Pages in use: 28
# running tasks: 1 of 4 Visible: 1
FINISHED FORMULA: CATEGORY VALUE PRODUCED BY

PENDING FORMULAS: CATEGORY IDL ACT RUN SUS FIN C/T C/M OBS
UtilityControlRoom-COL-Z2T4N06-LTLCardinality-15: LTL 0 0 1 0 1 0 0 0

TASK CATEGORY TYPE TIME/TLIMIT MEM PG/PGLIMIT FORMULA STATUS
1 LTL EXCL 45/3600 31/32 UtilityControlRoom-COL-Z2T4N06-LTLCardinality-15 4642416 m, 92126 m/sec, 49736808 t fired, .

Time elapsed: 45 secs. Pages in use: 31
# running tasks: 1 of 4 Visible: 1
lola: CANCELED task # 1 (type EXCL) for UtilityControlRoom-COL-Z2T4N06-LTLCardinality-15 (memory limit exceeded)
FINISHED FORMULA: CATEGORY VALUE PRODUCED BY

PENDING FORMULAS: CATEGORY IDL ACT RUN SUS FIN C/T C/M OBS
UtilityControlRoom-COL-Z2T4N06-LTLCardinality-15: LTL 0 0 0 0 1 0 1 0

TASK CATEGORY TYPE TIME/TLIMIT MEM PG/PGLIMIT FORMULA STATUS

Time elapsed: 50 secs. Pages in use: 32
# running tasks: 1 of 4 Visible: 1
lola: Portfolio finished: no open tasks 1

FINAL RESULTS
FINISHED FORMULA: CATEGORY VALUE PRODUCED BY
UtilityControlRoom-COL-Z2T4N06-LTLCardinality-15: LTL unknown AGGR


Time elapsed: 50 secs. Pages in use: 32

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="UtilityControlRoom-COL-Z2T4N06"
export BK_EXAMINATION="LTLCardinality"
export BK_TOOL="lolaxred"
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 lolaxred"
echo " Input is UtilityControlRoom-COL-Z2T4N06, 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 r487-tall-167912703801003"
echo "====================================================================="
echo
echo "--------------------"
echo "preparation of the directory to be used:"

tar xzf /home/mcc/BenchKit/INPUTS/UtilityControlRoom-COL-Z2T4N06.tgz
mv UtilityControlRoom-COL-Z2T4N06 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 ;