Execution Chart

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

Trace from the execution

Formatting '/data/fkordon/mcc2021-input.r254-tall-162106745700245.qcow2', fmt=qcow2 size=4294967296 backing_file='/data/fkordon/mcc2021-input.qcow2' encryption=off cluster_size=65536 lazy_refcounts=off
Waiting for the VM to be ready (probing ssh)
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=====================================================================
Generated by BenchKit 2-4028
Executing tool itstools
Input is SmartHome-PT-12, examination is LTLFireability
Time confinement is 3600 seconds
Memory confinement is 16384 MBytes
Number of cores is 4
Run identifier is r254-tall-162106745700245
=====================================================================

--------------------
preparation of the directory to be used:
/home/mcc/execution
total 448K
-rw-r--r-- 1 mcc users 11K May 5 16:58 CTLCardinality.txt
-rw-r--r-- 1 mcc users 106K May 10 09:44 CTLCardinality.xml
-rw-r--r-- 1 mcc users 9.3K May 5 16:58 CTLFireability.txt
-rw-r--r-- 1 mcc users 87K May 10 09:44 CTLFireability.xml
-rw-r--r-- 1 mcc users 4.2K May 6 14:48 GenericPropertiesDefinition.xml
-rw-r--r-- 1 mcc users 6.8K May 6 14:48 GenericPropertiesVerdict.xml
-rw-r--r-- 1 mcc users 3.1K Mar 28 16:43 LTLCardinality.txt
-rw-r--r-- 1 mcc users 23K Mar 28 16:43 LTLCardinality.xml
-rw-r--r-- 1 mcc users 1.9K Mar 28 16:43 LTLFireability.txt
-rw-r--r-- 1 mcc users 17K Mar 28 16:43 LTLFireability.xml
-rw-r--r-- 1 mcc users 3.5K Mar 27 13:43 ReachabilityCardinality.txt
-rw-r--r-- 1 mcc users 18K Mar 27 13:43 ReachabilityCardinality.xml
-rw-r--r-- 1 mcc users 2.9K Mar 25 19:31 ReachabilityFireability.txt
-rw-r--r-- 1 mcc users 19K Mar 25 19:31 ReachabilityFireability.xml
-rw-r--r-- 1 mcc users 1.6K Mar 22 08:16 UpperBounds.txt
-rw-r--r-- 1 mcc users 3.6K Mar 22 08:16 UpperBounds.xml
-rw-r--r-- 1 mcc users 6 May 5 16:52 equiv_col
-rw-r--r-- 1 mcc users 3 May 5 16:52 instance
-rw-r--r-- 1 mcc users 6 May 5 16:52 iscolored
-rw-r--r-- 1 mcc users 90K May 5 16:52 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 SmartHome-PT-12-00
FORMULA_NAME SmartHome-PT-12-01
FORMULA_NAME SmartHome-PT-12-02
FORMULA_NAME SmartHome-PT-12-03
FORMULA_NAME SmartHome-PT-12-04
FORMULA_NAME SmartHome-PT-12-05
FORMULA_NAME SmartHome-PT-12-06
FORMULA_NAME SmartHome-PT-12-07
FORMULA_NAME SmartHome-PT-12-08
FORMULA_NAME SmartHome-PT-12-09
FORMULA_NAME SmartHome-PT-12-10
FORMULA_NAME SmartHome-PT-12-11
FORMULA_NAME SmartHome-PT-12-12
FORMULA_NAME SmartHome-PT-12-13
FORMULA_NAME SmartHome-PT-12-14
FORMULA_NAME SmartHome-PT-12-15

=== Now, execution of the tool begins

BK_START 1621167779024

Running Version 0
[2021-05-16 12:23:00] [INFO ] Running its-tools with arguments : [-pnfolder, /home/mcc/execution, -examination, LTLFireability, -spotpath, /home/mcc/BenchKit/bin//..//ltlfilt, -z3path, /home/mcc/BenchKit/bin//..//z3/bin/z3, -yices2path, /home/mcc/BenchKit/bin//..//yices/bin/yices, -its, -ltsmin, -greatspnpath, /home/mcc/BenchKit/bin//..//greatspn/, -order, META, -manyOrder, -smt, -timeout, 3600]
[2021-05-16 12:23:00] [INFO ] Parsing pnml file : /home/mcc/execution/model.pnml
[2021-05-16 12:23:00] [INFO ] Load time of PNML (sax parser for PT used): 61 ms
[2021-05-16 12:23:00] [INFO ] Transformed 376 places.
[2021-05-16 12:23:00] [INFO ] Transformed 399 transitions.
[2021-05-16 12:23:00] [INFO ] Found NUPN structural information;
[2021-05-16 12:23:00] [INFO ] Parsed PT model containing 376 places and 399 transitions in 102 ms.
Parsed 16 properties from file /home/mcc/execution/LTLFireability.xml in 103 ms.
Working with output stream class java.io.PrintStream
[2021-05-16 12:23:00] [INFO ] Initial state test concluded for 1 properties.
Deduced a syphon composed of 104 places in 6 ms
Reduce places removed 104 places and 80 transitions.
FORMULA SmartHome-PT-12-06 FALSE TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA SmartHome-PT-12-11 FALSE TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA SmartHome-PT-12-05 TRUE TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA SmartHome-PT-12-07 TRUE TECHNIQUES TOPOLOGICAL INITIAL_STATE
Support contains 24 out of 272 places. Attempting structural reductions.
Starting structural reductions, iteration 0 : 272/272 places, 319/319 transitions.
Reduce places removed 10 places and 0 transitions.
Iterating post reduction 0 with 10 rules applied. Total rules applied 10 place count 262 transition count 319
Discarding 67 places :
Symmetric choice reduction at 1 with 67 rule applications. Total rules 77 place count 195 transition count 252
Iterating global reduction 1 with 67 rules applied. Total rules applied 144 place count 195 transition count 252
Ensure Unique test removed 7 transitions
Reduce isomorphic transitions removed 7 transitions.
Iterating post reduction 1 with 7 rules applied. Total rules applied 151 place count 195 transition count 245
Discarding 12 places :
Symmetric choice reduction at 2 with 12 rule applications. Total rules 163 place count 183 transition count 233
Iterating global reduction 2 with 12 rules applied. Total rules applied 175 place count 183 transition count 233
Discarding 10 places :
Symmetric choice reduction at 2 with 10 rule applications. Total rules 185 place count 173 transition count 223
Iterating global reduction 2 with 10 rules applied. Total rules applied 195 place count 173 transition count 223
Ensure Unique test removed 2 transitions
Reduce isomorphic transitions removed 2 transitions.
Iterating post reduction 2 with 2 rules applied. Total rules applied 197 place count 173 transition count 221
Discarding 3 places :
Symmetric choice reduction at 3 with 3 rule applications. Total rules 200 place count 170 transition count 218
Iterating global reduction 3 with 3 rules applied. Total rules applied 203 place count 170 transition count 218
Applied a total of 203 rules in 67 ms. Remains 170 /272 variables (removed 102) and now considering 218/319 (removed 101) transitions.
// Phase 1: matrix 218 rows 170 cols
[2021-05-16 12:23:00] [INFO ] Computed 3 place invariants in 11 ms
[2021-05-16 12:23:01] [INFO ] Implicit Places using invariants in 124 ms returned []
// Phase 1: matrix 218 rows 170 cols
[2021-05-16 12:23:01] [INFO ] Computed 3 place invariants in 3 ms
[2021-05-16 12:23:01] [INFO ] Implicit Places using invariants and state equation in 125 ms returned []
Implicit Place search using SMT with State Equation took 276 ms to find 0 implicit places.
// Phase 1: matrix 218 rows 170 cols
[2021-05-16 12:23:01] [INFO ] Computed 3 place invariants in 4 ms
[2021-05-16 12:23:01] [INFO ] Dead Transitions using invariants and state equation in 144 ms returned []
Finished structural reductions, in 1 iterations. Remains : 170/272 places, 218/319 transitions.
[2021-05-16 12:23:01] [INFO ] Initial state reduction rules for LTL removed 1 formulas.
[2021-05-16 12:23:01] [INFO ] Flatten gal took : 43 ms
FORMULA SmartHome-PT-12-15 FALSE TECHNIQUES TOPOLOGICAL INITIAL_STATE
[2021-05-16 12:23:01] [INFO ] Flatten gal took : 17 ms
[2021-05-16 12:23:01] [INFO ] Input system was already deterministic with 218 transitions.
Finished random walk after 24453 steps, including 133 resets, run visited all 20 properties in 103 ms. (steps per millisecond=237 )
Running Spot : CommandLine [args=[/home/mcc/BenchKit/bin//..//ltl2tgba, --hoaf=tv, -f, !(((X(p0)&&F(p1))||X(G(p0))))], workingDir=/home/mcc/execution]
Support contains 2 out of 170 places. Attempting structural reductions.
Starting structural reductions, iteration 0 : 170/170 places, 218/218 transitions.
Discarding 10 places :
Symmetric choice reduction at 0 with 10 rule applications. Total rules 10 place count 160 transition count 208
Iterating global reduction 0 with 10 rules applied. Total rules applied 20 place count 160 transition count 208
Discarding 6 places :
Symmetric choice reduction at 0 with 6 rule applications. Total rules 26 place count 154 transition count 202
Iterating global reduction 0 with 6 rules applied. Total rules applied 32 place count 154 transition count 202
Discarding 3 places :
Symmetric choice reduction at 0 with 3 rule applications. Total rules 35 place count 151 transition count 199
Iterating global reduction 0 with 3 rules applied. Total rules applied 38 place count 151 transition count 199
Discarding 3 places :
Symmetric choice reduction at 0 with 3 rule applications. Total rules 41 place count 148 transition count 196
Iterating global reduction 0 with 3 rules applied. Total rules applied 44 place count 148 transition count 196
Discarding 1 places :
Symmetric choice reduction at 0 with 1 rule applications. Total rules 45 place count 147 transition count 195
Iterating global reduction 0 with 1 rules applied. Total rules applied 46 place count 147 transition count 195
Applied a total of 46 rules in 28 ms. Remains 147 /170 variables (removed 23) and now considering 195/218 (removed 23) transitions.
// Phase 1: matrix 195 rows 147 cols
[2021-05-16 12:23:01] [INFO ] Computed 3 place invariants in 2 ms
[2021-05-16 12:23:01] [INFO ] Implicit Places using invariants in 39 ms returned []
// Phase 1: matrix 195 rows 147 cols
[2021-05-16 12:23:01] [INFO ] Computed 3 place invariants in 6 ms
[2021-05-16 12:23:01] [INFO ] Implicit Places using invariants and state equation in 69 ms returned []
Implicit Place search using SMT with State Equation took 109 ms to find 0 implicit places.
// Phase 1: matrix 195 rows 147 cols
[2021-05-16 12:23:01] [INFO ] Computed 3 place invariants in 2 ms
[2021-05-16 12:23:01] [INFO ] Dead Transitions using invariants and state equation in 74 ms returned []
Finished structural reductions, in 1 iterations. Remains : 147/170 places, 195/218 transitions.
Stuttering acceptance computed with spot in 274 ms :[(NOT p0), (NOT p0), (AND (NOT p1) (NOT p0)), true, (NOT p1)]
Running random walk in product with property : SmartHome-PT-12-00 automaton TGBA [mat=[[{ cond=true, acceptance={} source=0 dest: 1}, { cond=(NOT p1), acceptance={} source=0 dest: 2}], [{ cond=(NOT p0), acceptance={} source=1 dest: 3}], [{ cond=(AND (NOT p1) p0), acceptance={} source=2 dest: 2}, { cond=(AND (NOT p1) (NOT p0)), acceptance={} source=2 dest: 4}], [{ cond=true, acceptance={0} source=3 dest: 3}], [{ cond=(NOT p1), acceptance={0} source=4 dest: 4}]], initial=0, aps=[p1:(NEQ s109 1), p0:(NEQ s4 1)], nbAcceptance=1, properties=[trans-labels, explicit-labels, trans-acc, no-univ-branch, 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 278 ms.
Product exploration explored 100000 steps with 50000 reset in 204 ms.
Knowledge obtained : [p1, p0]
Stuttering acceptance computed with spot in 106 ms :[(NOT p0), (NOT p0), (AND (NOT p1) (NOT p0)), true, (NOT p1)]
Product exploration explored 100000 steps with 50000 reset in 144 ms.
Product exploration explored 100000 steps with 50000 reset in 189 ms.
Applying partial POR strategy [false, true, true, true, true]
Stuttering acceptance computed with spot in 109 ms :[(NOT p0), (NOT p0), (AND (NOT p1) (NOT p0)), true, (NOT p1)]
Support contains 2 out of 147 places. Attempting structural reductions.
Property had overlarge support with respect to TGBA, discarding it for now.
Starting structural reductions, iteration 0 : 147/147 places, 195/195 transitions.
Graph (trivial) has 146 edges and 147 vertex of which 72 / 147 are part of one of the 7 SCC in 2 ms
Free SCC test removed 65 places
Ensure Unique test removed 90 transitions
Reduce isomorphic transitions removed 90 transitions.
Performed 28 Post agglomeration using F-continuation condition.Transition count delta: 0
Iterating post reduction 0 with 28 rules applied. Total rules applied 29 place count 82 transition count 105
Ensure Unique test removed 1 transitions
Reduce isomorphic transitions removed 1 transitions.
Iterating post reduction 1 with 1 rules applied. Total rules applied 30 place count 82 transition count 104
Performed 3 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 2 with 3 Pre rules applied. Total rules applied 30 place count 82 transition count 104
Deduced a syphon composed of 31 places in 0 ms
Iterating global reduction 2 with 3 rules applied. Total rules applied 33 place count 82 transition count 104
Discarding 17 places :
Symmetric choice reduction at 2 with 17 rule applications. Total rules 50 place count 65 transition count 87
Deduced a syphon composed of 15 places in 0 ms
Iterating global reduction 2 with 17 rules applied. Total rules applied 67 place count 65 transition count 87
Performed 24 Post agglomeration using F-continuation condition with reduction of 1 identical transitions.
Deduced a syphon composed of 39 places in 0 ms
Iterating global reduction 2 with 24 rules applied. Total rules applied 91 place count 65 transition count 86
Ensure Unique test removed 3 transitions
Reduce isomorphic transitions removed 3 transitions.
Iterating post reduction 2 with 3 rules applied. Total rules applied 94 place count 65 transition count 83
Discarding 17 places :
Symmetric choice reduction at 3 with 17 rule applications. Total rules 111 place count 48 transition count 66
Deduced a syphon composed of 23 places in 0 ms
Iterating global reduction 3 with 17 rules applied. Total rules applied 128 place count 48 transition count 66
Discarding 1 places :
Symmetric choice reduction at 3 with 1 rule applications. Total rules 129 place count 47 transition count 65
Deduced a syphon composed of 22 places in 0 ms
Iterating global reduction 3 with 1 rules applied. Total rules applied 130 place count 47 transition count 65
Performed 1 Post agglomeration using F-continuation condition.Transition count delta: 0
Deduced a syphon composed of 23 places in 0 ms
Iterating global reduction 3 with 1 rules applied. Total rules applied 131 place count 47 transition count 65
Discarding 2 places :
Symmetric choice reduction at 3 with 2 rule applications. Total rules 133 place count 45 transition count 63
Deduced a syphon composed of 21 places in 0 ms
Iterating global reduction 3 with 2 rules applied. Total rules applied 135 place count 45 transition count 63
Deduced a syphon composed of 21 places in 0 ms
Drop transitions removed 12 transitions
Redundant transition composition rules discarded 12 transitions
Iterating global reduction 3 with 12 rules applied. Total rules applied 147 place count 45 transition count 51
Reduce places removed 1 places and 0 transitions.
Iterating post reduction 3 with 1 rules applied. Total rules applied 148 place count 44 transition count 51
Deduced a syphon composed of 21 places in 0 ms
Applied a total of 148 rules in 27 ms. Remains 44 /147 variables (removed 103) and now considering 51/195 (removed 144) transitions.
[2021-05-16 12:23:03] [INFO ] Redundant transitions in 17 ms returned []
[2021-05-16 12:23:03] [INFO ] Flow matrix only has 45 transitions (discarded 6 similar events)
// Phase 1: matrix 45 rows 44 cols
[2021-05-16 12:23:03] [INFO ] Computed 2 place invariants in 2 ms
[2021-05-16 12:23:03] [INFO ] Dead Transitions using invariants and state equation in 26 ms returned []
Finished structural reductions, in 1 iterations. Remains : 44/147 places, 51/195 transitions.
Product exploration explored 100000 steps with 50000 reset in 372 ms.
Product exploration explored 100000 steps with 50000 reset in 298 ms.
[2021-05-16 12:23:04] [INFO ] Flatten gal took : 11 ms
[2021-05-16 12:23:04] [INFO ] Flatten gal took : 10 ms
[2021-05-16 12:23:04] [INFO ] Time to serialize gal into /tmp/LTL16272235574580372615.gal : 5 ms
[2021-05-16 12:23:04] [INFO ] Time to serialize properties into /tmp/LTL13971093485641714865.ltl : 0 ms
Invoking ITS tools like this :CommandLine [args=[/home/mcc/BenchKit/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202104292328/bin/its-ltl-linux64, --gc-threshold, 2000000, -i, /tmp/LTL16272235574580372615.gal, -t, CGAL, -LTL, /tmp/LTL13971093485641714865.ltl, -c, -stutter-deadlock, --gen-order, FOLLOW], workingDir=/home/mcc/execution]

its-ltl command run as :

/home/mcc/BenchKit/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202104292328/bin/its-ltl-linux64 --gc-threshold 2000000 -i /tmp/LTL16272235574580372615.gal -t CGAL -LTL /tmp/LTL13971093485641714865.ltl -c -stutter-deadlock --gen-order FOLLOW
Read 1 LTL properties
Checking formula 0 : !(((X(G("(p23!=1)")))||((X("(p23!=1)"))&&(F("(p248!=1)")))))
Formula 0 simplified : !(XG"(p23!=1)" | (X"(p23!=1)" & F"(p248!=1)"))
Reverse transition relation is NOT exact ! Due to transitions t8, t10, t33, t36, t66, t103, t106, t129, t132, t151, t154, t166, t188, t191, t192, t195, t197, t201, Intersection with reachable at each step enabled. (destroyed/reverse/intersect/total) :0/177/18/195
Computing Next relation with stutter on 75 deadlock states
2 unique states visited
0 strongly connected components in search stack
1 transitions explored
2 items max in DFS search stack
146 ticks for the emptiness check
Model ,|S| ,Time ,Mem(kb) ,fin. SDD ,fin. DDD ,peak SDD ,peak DDD ,SDD Hom ,SDD cache peak ,DDD Hom ,DDD cachepeak ,SHom cache
STATS,0,1.48722,59128,1,0,241,207361,413,168,4349,204733,403
no accepting run found
Formula 0 is TRUE no accepting run found.
FORMULA SmartHome-PT-12-00 TRUE TECHNIQUES DECISION_DIAGRAMS TOPOLOGICAL
ITS tools runner thread asked to quit. Dying gracefully.
Treatment of property SmartHome-PT-12-00 finished in 4169 ms.
Running Spot : CommandLine [args=[/home/mcc/BenchKit/bin//..//ltl2tgba, --hoaf=tv, -f, !(G(F((p0||G(p1)))))], workingDir=/home/mcc/execution]
Support contains 4 out of 170 places. Attempting structural reductions.
Starting structural reductions, iteration 0 : 170/170 places, 218/218 transitions.
Graph (trivial) has 164 edges and 170 vertex of which 65 / 170 are part of one of the 6 SCC in 1 ms
Free SCC test removed 59 places
Ensure Unique test removed 77 transitions
Reduce isomorphic transitions removed 77 transitions.
Reduce places removed 1 places and 1 transitions.
Drop transitions removed 41 transitions
Trivial Post-agglo rules discarded 41 transitions
Performed 41 trivial Post agglomeration. Transition count delta: 41
Iterating post reduction 0 with 41 rules applied. Total rules applied 42 place count 110 transition count 99
Reduce places removed 41 places and 0 transitions.
Ensure Unique test removed 5 transitions
Reduce isomorphic transitions removed 5 transitions.
Drop transitions removed 7 transitions
Trivial Post-agglo rules discarded 7 transitions
Performed 7 trivial Post agglomeration. Transition count delta: 7
Iterating post reduction 1 with 53 rules applied. Total rules applied 95 place count 69 transition count 87
Reduce places removed 7 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 2 with 9 rules applied. Total rules applied 104 place count 62 transition count 85
Reduce places removed 1 places and 0 transitions.
Performed 1 Post agglomeration using F-continuation condition.Transition count delta: 1
Iterating post reduction 3 with 2 rules applied. Total rules applied 106 place count 61 transition count 84
Reduce places removed 1 places and 0 transitions.
Ensure Unique test removed 1 transitions
Reduce isomorphic transitions removed 1 transitions.
Performed 1 Post agglomeration using F-continuation condition.Transition count delta: 1
Iterating post reduction 4 with 3 rules applied. Total rules applied 109 place count 60 transition count 82
Reduce places removed 1 places and 0 transitions.
Iterating post reduction 5 with 1 rules applied. Total rules applied 110 place count 59 transition count 82
Performed 4 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 6 with 4 Pre rules applied. Total rules applied 110 place count 59 transition count 78
Deduced a syphon composed of 4 places in 0 ms
Reduce places removed 4 places and 0 transitions.
Iterating global reduction 6 with 8 rules applied. Total rules applied 118 place count 55 transition count 78
Discarding 5 places :
Symmetric choice reduction at 6 with 5 rule applications. Total rules 123 place count 50 transition count 73
Iterating global reduction 6 with 5 rules applied. Total rules applied 128 place count 50 transition count 73
Ensure Unique test removed 1 transitions
Reduce isomorphic transitions removed 1 transitions.
Iterating post reduction 6 with 1 rules applied. Total rules applied 129 place count 50 transition count 72
Performed 22 Post agglomeration using F-continuation condition with reduction of 4 identical transitions.
Deduced a syphon composed of 22 places in 0 ms
Reduce places removed 22 places and 0 transitions.
Iterating global reduction 7 with 44 rules applied. Total rules applied 173 place count 28 transition count 46
Ensure Unique test removed 1 transitions
Reduce isomorphic transitions removed 1 transitions.
Iterating post reduction 7 with 1 rules applied. Total rules applied 174 place count 28 transition count 45
Drop transitions removed 5 transitions
Redundant transition composition rules discarded 5 transitions
Iterating global reduction 8 with 5 rules applied. Total rules applied 179 place count 28 transition count 40
Reduce places removed 1 places and 1 transitions.
Iterating global reduction 8 with 1 rules applied. Total rules applied 180 place count 27 transition count 39
Reduce places removed 1 places and 0 transitions.
Ensure Unique test removed 1 transitions
Reduce isomorphic transitions removed 1 transitions.
Iterating post reduction 8 with 2 rules applied. Total rules applied 182 place count 26 transition count 38
Applied a total of 182 rules in 25 ms. Remains 26 /170 variables (removed 144) and now considering 38/218 (removed 180) transitions.
[2021-05-16 12:23:05] [INFO ] Flow matrix only has 29 transitions (discarded 9 similar events)
// Phase 1: matrix 29 rows 26 cols
[2021-05-16 12:23:05] [INFO ] Computed 2 place invariants in 0 ms
[2021-05-16 12:23:05] [INFO ] Implicit Places using invariants in 18 ms returned []
[2021-05-16 12:23:06] [INFO ] Flow matrix only has 29 transitions (discarded 9 similar events)
// Phase 1: matrix 29 rows 26 cols
[2021-05-16 12:23:06] [INFO ] Computed 2 place invariants in 0 ms
[2021-05-16 12:23:06] [INFO ] State equation strengthened by 12 read => feed constraints.
[2021-05-16 12:23:06] [INFO ] Implicit Places using invariants and state equation in 24 ms returned []
Implicit Place search using SMT with State Equation took 42 ms to find 0 implicit places.
[2021-05-16 12:23:06] [INFO ] Redundant transitions in 25 ms returned []
[2021-05-16 12:23:06] [INFO ] Flow matrix only has 29 transitions (discarded 9 similar events)
// Phase 1: matrix 29 rows 26 cols
[2021-05-16 12:23:06] [INFO ] Computed 2 place invariants in 0 ms
[2021-05-16 12:23:06] [INFO ] Dead Transitions using invariants and state equation in 28 ms returned []
Finished structural reductions, in 1 iterations. Remains : 26/170 places, 38/218 transitions.
Stuttering acceptance computed with spot in 54 ms :[(AND (NOT p1) (NOT p0)), (AND (NOT p1) (NOT p0))]
Running random walk in product with property : SmartHome-PT-12-01 automaton TGBA [mat=[[{ cond=true, acceptance={} source=0 dest: 0}, { cond=(AND (NOT p1) (NOT p0)), acceptance={} source=0 dest: 1}], [{ cond=(AND (NOT p1) (NOT p0)), acceptance={0} source=1 dest: 1}, { cond=(AND p1 (NOT p0)), acceptance={} source=1 dest: 1}]], initial=0, aps=[p1:(AND (EQ s11 1) (EQ s1 1) (EQ s7 1)), p0:(EQ s10 0)], nbAcceptance=1, properties=[trans-labels, explicit-labels, trans-acc, no-univ-branch, stutter-invariant], stateDesc=[null, null][true, true]]
Stuttering criterion allowed to conclude after 86 steps with 4 reset in 1 ms.
FORMULA SmartHome-PT-12-01 FALSE TECHNIQUES STUTTER_TEST
Treatment of property SmartHome-PT-12-01 finished in 280 ms.
Running Spot : CommandLine [args=[/home/mcc/BenchKit/bin//..//ltl2tgba, --hoaf=tv, -f, !(X(X(X((F(p0)&&F(p1))))))], workingDir=/home/mcc/execution]
Support contains 2 out of 170 places. Attempting structural reductions.
Starting structural reductions, iteration 0 : 170/170 places, 218/218 transitions.
Discarding 10 places :
Symmetric choice reduction at 0 with 10 rule applications. Total rules 10 place count 160 transition count 208
Iterating global reduction 0 with 10 rules applied. Total rules applied 20 place count 160 transition count 208
Ensure Unique test removed 1 transitions
Reduce isomorphic transitions removed 1 transitions.
Iterating post reduction 0 with 1 rules applied. Total rules applied 21 place count 160 transition count 207
Discarding 6 places :
Symmetric choice reduction at 1 with 6 rule applications. Total rules 27 place count 154 transition count 201
Iterating global reduction 1 with 6 rules applied. Total rules applied 33 place count 154 transition count 201
Discarding 3 places :
Symmetric choice reduction at 1 with 3 rule applications. Total rules 36 place count 151 transition count 198
Iterating global reduction 1 with 3 rules applied. Total rules applied 39 place count 151 transition count 198
Discarding 2 places :
Symmetric choice reduction at 1 with 2 rule applications. Total rules 41 place count 149 transition count 196
Iterating global reduction 1 with 2 rules applied. Total rules applied 43 place count 149 transition count 196
Discarding 1 places :
Symmetric choice reduction at 1 with 1 rule applications. Total rules 44 place count 148 transition count 195
Iterating global reduction 1 with 1 rules applied. Total rules applied 45 place count 148 transition count 195
Applied a total of 45 rules in 10 ms. Remains 148 /170 variables (removed 22) and now considering 195/218 (removed 23) transitions.
// Phase 1: matrix 195 rows 148 cols
[2021-05-16 12:23:06] [INFO ] Computed 3 place invariants in 1 ms
[2021-05-16 12:23:06] [INFO ] Implicit Places using invariants in 27 ms returned []
// Phase 1: matrix 195 rows 148 cols
[2021-05-16 12:23:06] [INFO ] Computed 3 place invariants in 3 ms
[2021-05-16 12:23:06] [INFO ] Implicit Places using invariants and state equation in 73 ms returned []
Implicit Place search using SMT with State Equation took 122 ms to find 0 implicit places.
// Phase 1: matrix 195 rows 148 cols
[2021-05-16 12:23:06] [INFO ] Computed 3 place invariants in 15 ms
[2021-05-16 12:23:06] [INFO ] Dead Transitions using invariants and state equation in 95 ms returned []
Finished structural reductions, in 1 iterations. Remains : 148/170 places, 195/218 transitions.
Stuttering acceptance computed with spot in 159 ms :[(NOT p1), (NOT p0), (OR (NOT p0) (NOT p1)), (OR (NOT p1) (NOT p0)), (OR (NOT p1) (NOT p0)), (OR (NOT p0) (NOT p1))]
Running random walk in product with property : SmartHome-PT-12-02 automaton TGBA [mat=[[{ cond=(NOT p1), acceptance={0} source=0 dest: 0}], [{ cond=(NOT p0), acceptance={0} source=1 dest: 1}], [{ cond=true, acceptance={} source=2 dest: 5}], [{ cond=true, acceptance={} source=3 dest: 4}], [{ cond=true, acceptance={} source=4 dest: 2}], [{ cond=(AND p0 (NOT p1)), acceptance={0} source=5 dest: 0}, { cond=(AND (NOT p0) p1), acceptance={0} source=5 dest: 1}, { cond=(AND (NOT p0) (NOT p1)), acceptance={0} source=5 dest: 5}]], initial=3, aps=[p1:(EQ s98 1), p0:(EQ s125 1)], nbAcceptance=1, properties=[trans-labels, explicit-labels, trans-acc, deterministic, no-univ-branch, unambiguous, semi-deterministic, very-weak, weak, inherently-weak], stateDesc=[null, null, null, null, null, null][false, false, false, false, false, false]]
Stuttering criterion allowed to conclude after 220 steps with 0 reset in 2 ms.
FORMULA SmartHome-PT-12-02 FALSE TECHNIQUES STUTTER_TEST
Treatment of property SmartHome-PT-12-02 finished in 402 ms.
Running Spot : CommandLine [args=[/home/mcc/BenchKit/bin//..//ltl2tgba, --hoaf=tv, -f, !((G(p0)||G(F(p1))))], workingDir=/home/mcc/execution]
Support contains 2 out of 170 places. Attempting structural reductions.
Starting structural reductions, iteration 0 : 170/170 places, 218/218 transitions.
Graph (trivial) has 169 edges and 170 vertex of which 94 / 170 are part of one of the 7 SCC in 1 ms
Free SCC test removed 87 places
Ensure Unique test removed 113 transitions
Reduce isomorphic transitions removed 113 transitions.
Reduce places removed 1 places and 1 transitions.
Drop transitions removed 24 transitions
Trivial Post-agglo rules discarded 24 transitions
Performed 24 trivial Post agglomeration. Transition count delta: 24
Iterating post reduction 0 with 24 rules applied. Total rules applied 25 place count 82 transition count 80
Reduce places removed 24 places and 0 transitions.
Ensure Unique test removed 2 transitions
Reduce isomorphic transitions removed 2 transitions.
Drop transitions removed 2 transitions
Trivial Post-agglo rules discarded 2 transitions
Performed 2 trivial Post agglomeration. Transition count delta: 2
Iterating post reduction 1 with 28 rules applied. Total rules applied 53 place count 58 transition count 76
Reduce places removed 2 places and 0 transitions.
Iterating post reduction 2 with 2 rules applied. Total rules applied 55 place count 56 transition count 76
Performed 5 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 3 with 5 Pre rules applied. Total rules applied 55 place count 56 transition count 71
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 65 place count 51 transition count 71
Discarding 4 places :
Symmetric choice reduction at 3 with 4 rule applications. Total rules 69 place count 47 transition count 67
Iterating global reduction 3 with 4 rules applied. Total rules applied 73 place count 47 transition count 67
Ensure Unique test removed 1 transitions
Reduce isomorphic transitions removed 1 transitions.
Iterating post reduction 3 with 1 rules applied. Total rules applied 74 place count 47 transition count 66
Performed 20 Post agglomeration using F-continuation condition with reduction of 2 identical transitions.
Deduced a syphon composed of 20 places in 0 ms
Reduce places removed 20 places and 0 transitions.
Iterating global reduction 4 with 40 rules applied. Total rules applied 114 place count 27 transition count 44
Drop transitions removed 11 transitions
Redundant transition composition rules discarded 11 transitions
Iterating global reduction 4 with 11 rules applied. Total rules applied 125 place count 27 transition count 33
Reduce places removed 1 places and 0 transitions.
Iterating post reduction 4 with 1 rules applied. Total rules applied 126 place count 26 transition count 33
Performed 1 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 5 with 1 Pre rules applied. Total rules applied 126 place count 26 transition count 32
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 128 place count 25 transition count 32
Partial Post-agglomeration rule applied 1 times.
Drop transitions removed 1 transitions
Iterating global reduction 5 with 1 rules applied. Total rules applied 129 place count 25 transition count 32
Drop transitions removed 1 transitions
Redundant transition composition rules discarded 1 transitions
Iterating global reduction 5 with 1 rules applied. Total rules applied 130 place count 25 transition count 31
Reduce places removed 1 places and 1 transitions.
Iterating global reduction 5 with 1 rules applied. Total rules applied 131 place count 24 transition count 30
Reduce places removed 1 places and 0 transitions.
Iterating post reduction 5 with 1 rules applied. Total rules applied 132 place count 23 transition count 30
Applied a total of 132 rules in 14 ms. Remains 23 /170 variables (removed 147) and now considering 30/218 (removed 188) transitions.
[2021-05-16 12:23:06] [INFO ] Flow matrix only has 24 transitions (discarded 6 similar events)
// Phase 1: matrix 24 rows 23 cols
[2021-05-16 12:23:06] [INFO ] Computed 1 place invariants in 0 ms
[2021-05-16 12:23:06] [INFO ] Implicit Places using invariants in 19 ms returned []
[2021-05-16 12:23:06] [INFO ] Flow matrix only has 24 transitions (discarded 6 similar events)
// Phase 1: matrix 24 rows 23 cols
[2021-05-16 12:23:06] [INFO ] Computed 1 place invariants in 0 ms
[2021-05-16 12:23:06] [INFO ] State equation strengthened by 2 read => feed constraints.
[2021-05-16 12:23:06] [INFO ] Implicit Places using invariants and state equation in 17 ms returned []
Implicit Place search using SMT with State Equation took 37 ms to find 0 implicit places.
[2021-05-16 12:23:06] [INFO ] Redundant transitions in 10 ms returned []
[2021-05-16 12:23:06] [INFO ] Flow matrix only has 24 transitions (discarded 6 similar events)
// Phase 1: matrix 24 rows 23 cols
[2021-05-16 12:23:06] [INFO ] Computed 1 place invariants in 0 ms
[2021-05-16 12:23:06] [INFO ] Dead Transitions using invariants and state equation in 16 ms returned []
Finished structural reductions, in 1 iterations. Remains : 23/170 places, 30/218 transitions.
Stuttering acceptance computed with spot in 88 ms :[(AND (NOT p0) (NOT p1)), (NOT p1), (NOT p1)]
Running random walk in product with property : SmartHome-PT-12-03 automaton TGBA [mat=[[{ cond=p0, acceptance={} source=0 dest: 0}, { cond=(AND (NOT p0) (NOT p1)), acceptance={} source=0 dest: 1}, { cond=(NOT p0), acceptance={} source=0 dest: 2}], [{ cond=(NOT p1), acceptance={0} source=1 dest: 1}], [{ cond=(NOT p1), acceptance={} source=2 dest: 1}, { cond=true, acceptance={} source=2 dest: 2}]], initial=0, aps=[p0:(EQ s4 1), p1:(EQ s1 1)], nbAcceptance=1, properties=[trans-labels, explicit-labels, trans-acc, no-univ-branch, stutter-invariant, very-weak, weak, inherently-weak], stateDesc=[null, null, null][true, true, true]]
Stuttering criterion allowed to conclude after 0 steps with 0 reset in 1 ms.
FORMULA SmartHome-PT-12-03 FALSE TECHNIQUES STUTTER_TEST
Treatment of property SmartHome-PT-12-03 finished in 180 ms.
Running Spot : CommandLine [args=[/home/mcc/BenchKit/bin//..//ltl2tgba, --hoaf=tv, -f, !(F((F(p1)&&p0)))], workingDir=/home/mcc/execution]
Support contains 3 out of 170 places. Attempting structural reductions.
Starting structural reductions, iteration 0 : 170/170 places, 218/218 transitions.
Graph (trivial) has 168 edges and 170 vertex of which 74 / 170 are part of one of the 6 SCC in 1 ms
Free SCC test removed 68 places
Ensure Unique test removed 88 transitions
Reduce isomorphic transitions removed 88 transitions.
Reduce places removed 1 places and 1 transitions.
Drop transitions removed 35 transitions
Trivial Post-agglo rules discarded 35 transitions
Performed 35 trivial Post agglomeration. Transition count delta: 35
Iterating post reduction 0 with 35 rules applied. Total rules applied 36 place count 101 transition count 94
Reduce places removed 35 places and 0 transitions.
Ensure Unique test removed 4 transitions
Reduce isomorphic transitions removed 4 transitions.
Drop transitions removed 5 transitions
Trivial Post-agglo rules discarded 5 transitions
Performed 5 trivial Post agglomeration. Transition count delta: 5
Iterating post reduction 1 with 44 rules applied. Total rules applied 80 place count 66 transition count 85
Reduce places removed 5 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 2 with 7 rules applied. Total rules applied 87 place count 61 transition count 83
Reduce places removed 1 places and 0 transitions.
Performed 1 Post agglomeration using F-continuation condition.Transition count delta: 1
Iterating post reduction 3 with 2 rules applied. Total rules applied 89 place count 60 transition count 82
Reduce places removed 1 places and 0 transitions.
Iterating post reduction 4 with 1 rules applied. Total rules applied 90 place count 59 transition count 82
Performed 5 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 5 with 5 Pre rules applied. Total rules applied 90 place count 59 transition count 77
Deduced a syphon composed of 5 places in 0 ms
Reduce places removed 5 places and 0 transitions.
Iterating global reduction 5 with 10 rules applied. Total rules applied 100 place count 54 transition count 77
Discarding 4 places :
Symmetric choice reduction at 5 with 4 rule applications. Total rules 104 place count 50 transition count 73
Iterating global reduction 5 with 4 rules applied. Total rules applied 108 place count 50 transition count 73
Ensure Unique test removed 1 transitions
Reduce isomorphic transitions removed 1 transitions.
Iterating post reduction 5 with 1 rules applied. Total rules applied 109 place count 50 transition count 72
Performed 24 Post agglomeration using F-continuation condition with reduction of 5 identical transitions.
Deduced a syphon composed of 24 places in 0 ms
Reduce places removed 24 places and 0 transitions.
Iterating global reduction 6 with 48 rules applied. Total rules applied 157 place count 26 transition count 43
Ensure Unique test removed 1 transitions
Reduce isomorphic transitions removed 1 transitions.
Iterating post reduction 6 with 1 rules applied. Total rules applied 158 place count 26 transition count 42
Drop transitions removed 5 transitions
Redundant transition composition rules discarded 5 transitions
Iterating global reduction 7 with 5 rules applied. Total rules applied 163 place count 26 transition count 37
Reduce places removed 1 places and 1 transitions.
Iterating global reduction 7 with 1 rules applied. Total rules applied 164 place count 25 transition count 36
Reduce places removed 1 places and 0 transitions.
Ensure Unique test removed 1 transitions
Reduce isomorphic transitions removed 1 transitions.
Iterating post reduction 7 with 2 rules applied. Total rules applied 166 place count 24 transition count 35
Applied a total of 166 rules in 12 ms. Remains 24 /170 variables (removed 146) and now considering 35/218 (removed 183) transitions.
[2021-05-16 12:23:06] [INFO ] Flow matrix only has 26 transitions (discarded 9 similar events)
// Phase 1: matrix 26 rows 24 cols
[2021-05-16 12:23:06] [INFO ] Computed 2 place invariants in 0 ms
[2021-05-16 12:23:06] [INFO ] Implicit Places using invariants in 16 ms returned []
[2021-05-16 12:23:06] [INFO ] Flow matrix only has 26 transitions (discarded 9 similar events)
// Phase 1: matrix 26 rows 24 cols
[2021-05-16 12:23:06] [INFO ] Computed 2 place invariants in 1 ms
[2021-05-16 12:23:06] [INFO ] State equation strengthened by 8 read => feed constraints.
[2021-05-16 12:23:06] [INFO ] Implicit Places using invariants and state equation in 23 ms returned []
Implicit Place search using SMT with State Equation took 40 ms to find 0 implicit places.
[2021-05-16 12:23:06] [INFO ] Redundant transitions in 16 ms returned []
[2021-05-16 12:23:06] [INFO ] Flow matrix only has 26 transitions (discarded 9 similar events)
// Phase 1: matrix 26 rows 24 cols
[2021-05-16 12:23:06] [INFO ] Computed 2 place invariants in 1 ms
[2021-05-16 12:23:06] [INFO ] Dead Transitions using invariants and state equation in 22 ms returned []
Finished structural reductions, in 1 iterations. Remains : 24/170 places, 35/218 transitions.
Stuttering acceptance computed with spot in 50 ms :[(NOT p1), (OR (NOT p0) (NOT p1))]
Running random walk in product with property : SmartHome-PT-12-04 automaton TGBA [mat=[[{ cond=(NOT p1), acceptance={0} source=0 dest: 0}], [{ cond=(AND p0 (NOT p1)), acceptance={0} source=1 dest: 0}, { cond=(NOT p0), acceptance={0} source=1 dest: 1}]], initial=1, aps=[p1:(EQ s3 1), p0:(AND (EQ s1 1) (EQ s10 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, null][true, true]]
Stuttering criterion allowed to conclude after 2 steps with 0 reset in 0 ms.
FORMULA SmartHome-PT-12-04 FALSE TECHNIQUES STUTTER_TEST
Treatment of property SmartHome-PT-12-04 finished in 153 ms.
Running Spot : CommandLine [args=[/home/mcc/BenchKit/bin//..//ltl2tgba, --hoaf=tv, -f, !(X(X(G(p0))))], workingDir=/home/mcc/execution]
Support contains 1 out of 170 places. Attempting structural reductions.
Starting structural reductions, iteration 0 : 170/170 places, 218/218 transitions.
Discarding 11 places :
Symmetric choice reduction at 0 with 11 rule applications. Total rules 11 place count 159 transition count 207
Iterating global reduction 0 with 11 rules applied. Total rules applied 22 place count 159 transition count 207
Ensure Unique test removed 1 transitions
Reduce isomorphic transitions removed 1 transitions.
Iterating post reduction 0 with 1 rules applied. Total rules applied 23 place count 159 transition count 206
Discarding 6 places :
Symmetric choice reduction at 1 with 6 rule applications. Total rules 29 place count 153 transition count 200
Iterating global reduction 1 with 6 rules applied. Total rules applied 35 place count 153 transition count 200
Discarding 3 places :
Symmetric choice reduction at 1 with 3 rule applications. Total rules 38 place count 150 transition count 197
Iterating global reduction 1 with 3 rules applied. Total rules applied 41 place count 150 transition count 197
Discarding 3 places :
Symmetric choice reduction at 1 with 3 rule applications. Total rules 44 place count 147 transition count 194
Iterating global reduction 1 with 3 rules applied. Total rules applied 47 place count 147 transition count 194
Discarding 1 places :
Symmetric choice reduction at 1 with 1 rule applications. Total rules 48 place count 146 transition count 193
Iterating global reduction 1 with 1 rules applied. Total rules applied 49 place count 146 transition count 193
Applied a total of 49 rules in 9 ms. Remains 146 /170 variables (removed 24) and now considering 193/218 (removed 25) transitions.
// Phase 1: matrix 193 rows 146 cols
[2021-05-16 12:23:06] [INFO ] Computed 3 place invariants in 1 ms
[2021-05-16 12:23:06] [INFO ] Implicit Places using invariants in 30 ms returned []
// Phase 1: matrix 193 rows 146 cols
[2021-05-16 12:23:06] [INFO ] Computed 3 place invariants in 1 ms
[2021-05-16 12:23:06] [INFO ] Implicit Places using invariants and state equation in 77 ms returned []
Implicit Place search using SMT with State Equation took 109 ms to find 0 implicit places.
// Phase 1: matrix 193 rows 146 cols
[2021-05-16 12:23:06] [INFO ] Computed 3 place invariants in 1 ms
[2021-05-16 12:23:07] [INFO ] Dead Transitions using invariants and state equation in 91 ms returned []
Finished structural reductions, in 1 iterations. Remains : 146/170 places, 193/218 transitions.
Stuttering acceptance computed with spot in 77 ms :[true, (NOT p0), (NOT p0), (NOT p0)]
Running random walk in product with property : SmartHome-PT-12-08 automaton TGBA [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: 2}]], initial=3, aps=[p0:(NEQ s14 1)], nbAcceptance=1, properties=[trans-labels, explicit-labels, trans-acc, complete, deterministic, no-univ-branch, unambiguous, semi-deterministic, terminal, very-weak, weak, inherently-weak], stateDesc=[null, null, null, null][false, false, false, false]]
Entered a terminal (fully accepting) state of product in 68 steps with 0 reset in 1 ms.
FORMULA SmartHome-PT-12-08 FALSE TECHNIQUES STUTTER_TEST
Treatment of property SmartHome-PT-12-08 finished in 298 ms.
Running Spot : CommandLine [args=[/home/mcc/BenchKit/bin//..//ltl2tgba, --hoaf=tv, -f, !(X(X(F((p0&&X(p1))))))], workingDir=/home/mcc/execution]
Support contains 3 out of 170 places. Attempting structural reductions.
Starting structural reductions, iteration 0 : 170/170 places, 218/218 transitions.
Discarding 10 places :
Symmetric choice reduction at 0 with 10 rule applications. Total rules 10 place count 160 transition count 208
Iterating global reduction 0 with 10 rules applied. Total rules applied 20 place count 160 transition count 208
Ensure Unique test removed 1 transitions
Reduce isomorphic transitions removed 1 transitions.
Iterating post reduction 0 with 1 rules applied. Total rules applied 21 place count 160 transition count 207
Discarding 5 places :
Symmetric choice reduction at 1 with 5 rule applications. Total rules 26 place count 155 transition count 202
Iterating global reduction 1 with 5 rules applied. Total rules applied 31 place count 155 transition count 202
Discarding 2 places :
Symmetric choice reduction at 1 with 2 rule applications. Total rules 33 place count 153 transition count 200
Iterating global reduction 1 with 2 rules applied. Total rules applied 35 place count 153 transition count 200
Discarding 2 places :
Symmetric choice reduction at 1 with 2 rule applications. Total rules 37 place count 151 transition count 198
Iterating global reduction 1 with 2 rules applied. Total rules applied 39 place count 151 transition count 198
Applied a total of 39 rules in 7 ms. Remains 151 /170 variables (removed 19) and now considering 198/218 (removed 20) transitions.
// Phase 1: matrix 198 rows 151 cols
[2021-05-16 12:23:07] [INFO ] Computed 3 place invariants in 1 ms
[2021-05-16 12:23:07] [INFO ] Implicit Places using invariants in 31 ms returned []
// Phase 1: matrix 198 rows 151 cols
[2021-05-16 12:23:07] [INFO ] Computed 3 place invariants in 7 ms
[2021-05-16 12:23:07] [INFO ] Implicit Places using invariants and state equation in 73 ms returned []
Implicit Place search using SMT with State Equation took 105 ms to find 0 implicit places.
// Phase 1: matrix 198 rows 151 cols
[2021-05-16 12:23:07] [INFO ] Computed 3 place invariants in 1 ms
[2021-05-16 12:23:07] [INFO ] Dead Transitions using invariants and state equation in 85 ms returned []
Finished structural reductions, in 1 iterations. Remains : 151/170 places, 198/218 transitions.
Stuttering acceptance computed with spot in 120 ms :[(NOT p1), (OR (NOT p1) (NOT p0)), (OR (NOT p1) (NOT p0)), (OR (NOT p0) (NOT p1))]
Running random walk in product with property : SmartHome-PT-12-09 automaton TGBA [mat=[[{ cond=(AND p0 (NOT p1)), acceptance={0} source=0 dest: 0}, { cond=(AND (NOT p0) (NOT p1)), acceptance={0} source=0 dest: 1}], [{ cond=p0, acceptance={0} source=1 dest: 0}, { cond=(NOT p0), acceptance={0} source=1 dest: 1}], [{ cond=true, acceptance={} source=2 dest: 1}], [{ cond=true, acceptance={} source=3 dest: 2}]], initial=3, aps=[p0:(EQ s73 0), p1:(AND (EQ s2 1) (EQ s89 1))], nbAcceptance=1, properties=[trans-labels, explicit-labels, trans-acc, deterministic, no-univ-branch, unambiguous, semi-deterministic, weak, inherently-weak], stateDesc=[null, null, null, null][false, false, false, false]]
Stuttering criterion allowed to conclude after 1297 steps with 23 reset in 5 ms.
FORMULA SmartHome-PT-12-09 FALSE TECHNIQUES STUTTER_TEST
Treatment of property SmartHome-PT-12-09 finished in 332 ms.
Running Spot : CommandLine [args=[/home/mcc/BenchKit/bin//..//ltl2tgba, --hoaf=tv, -f, !(F(G(p0)))], workingDir=/home/mcc/execution]
Support contains 1 out of 170 places. Attempting structural reductions.
Starting structural reductions, iteration 0 : 170/170 places, 218/218 transitions.
Graph (trivial) has 171 edges and 170 vertex of which 86 / 170 are part of one of the 7 SCC in 1 ms
Free SCC test removed 79 places
Ensure Unique test removed 103 transitions
Reduce isomorphic transitions removed 103 transitions.
Reduce places removed 1 places and 1 transitions.
Drop transitions removed 30 transitions
Trivial Post-agglo rules discarded 30 transitions
Performed 30 trivial Post agglomeration. Transition count delta: 30
Iterating post reduction 0 with 30 rules applied. Total rules applied 31 place count 90 transition count 84
Reduce places removed 30 places and 0 transitions.
Ensure Unique test removed 4 transitions
Reduce isomorphic transitions removed 4 transitions.
Drop transitions removed 5 transitions
Trivial Post-agglo rules discarded 5 transitions
Performed 5 trivial Post agglomeration. Transition count delta: 5
Iterating post reduction 1 with 39 rules applied. Total rules applied 70 place count 60 transition count 75
Reduce places removed 5 places and 0 transitions.
Iterating post reduction 2 with 5 rules applied. Total rules applied 75 place count 55 transition count 75
Performed 4 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 3 with 4 Pre rules applied. Total rules applied 75 place count 55 transition count 71
Deduced a syphon composed of 4 places in 0 ms
Reduce places removed 4 places and 0 transitions.
Iterating global reduction 3 with 8 rules applied. Total rules applied 83 place count 51 transition count 71
Discarding 5 places :
Symmetric choice reduction at 3 with 5 rule applications. Total rules 88 place count 46 transition count 66
Iterating global reduction 3 with 5 rules applied. Total rules applied 93 place count 46 transition count 66
Ensure Unique test removed 1 transitions
Reduce isomorphic transitions removed 1 transitions.
Iterating post reduction 3 with 1 rules applied. Total rules applied 94 place count 46 transition count 65
Performed 21 Post agglomeration using F-continuation condition with reduction of 2 identical transitions.
Deduced a syphon composed of 21 places in 0 ms
Reduce places removed 21 places and 0 transitions.
Iterating global reduction 4 with 42 rules applied. Total rules applied 136 place count 25 transition count 42
Drop transitions removed 12 transitions
Redundant transition composition rules discarded 12 transitions
Iterating global reduction 4 with 12 rules applied. Total rules applied 148 place count 25 transition count 30
Reduce places removed 2 places and 0 transitions.
Iterating post reduction 4 with 2 rules applied. Total rules applied 150 place count 23 transition count 30
Performed 1 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 5 with 1 Pre rules applied. Total rules applied 150 place count 23 transition count 29
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 152 place count 22 transition count 29
Reduce places removed 1 places and 1 transitions.
Iterating global reduction 5 with 1 rules applied. Total rules applied 153 place count 21 transition count 28
Applied a total of 153 rules in 9 ms. Remains 21 /170 variables (removed 149) and now considering 28/218 (removed 190) transitions.
[2021-05-16 12:23:07] [INFO ] Flow matrix only has 22 transitions (discarded 6 similar events)
// Phase 1: matrix 22 rows 21 cols
[2021-05-16 12:23:07] [INFO ] Computed 1 place invariants in 0 ms
[2021-05-16 12:23:07] [INFO ] Implicit Places using invariants in 12 ms returned []
[2021-05-16 12:23:07] [INFO ] Flow matrix only has 22 transitions (discarded 6 similar events)
// Phase 1: matrix 22 rows 21 cols
[2021-05-16 12:23:07] [INFO ] Computed 1 place invariants in 0 ms
[2021-05-16 12:23:07] [INFO ] Implicit Places using invariants and state equation in 15 ms returned []
Implicit Place search using SMT with State Equation took 28 ms to find 0 implicit places.
[2021-05-16 12:23:07] [INFO ] Redundant transitions in 10 ms returned []
[2021-05-16 12:23:07] [INFO ] Flow matrix only has 22 transitions (discarded 6 similar events)
// Phase 1: matrix 22 rows 21 cols
[2021-05-16 12:23:07] [INFO ] Computed 1 place invariants in 1 ms
[2021-05-16 12:23:07] [INFO ] Dead Transitions using invariants and state equation in 17 ms returned []
Finished structural reductions, in 1 iterations. Remains : 21/170 places, 28/218 transitions.
Stuttering acceptance computed with spot in 25 ms :[(NOT p0)]
Running random walk in product with property : SmartHome-PT-12-10 automaton TGBA [mat=[[{ cond=(NOT p0), acceptance={0} source=0 dest: 0}, { cond=p0, acceptance={} source=0 dest: 0}]], initial=0, aps=[p0:(NEQ s7 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 5 steps with 0 reset in 0 ms.
FORMULA SmartHome-PT-12-10 FALSE TECHNIQUES STUTTER_TEST
Treatment of property SmartHome-PT-12-10 finished in 103 ms.
Running Spot : CommandLine [args=[/home/mcc/BenchKit/bin//..//ltl2tgba, --hoaf=tv, -f, !(F((G(F(p0))||(F(p0)&&X(((!p0&&F(p1))||G(!p0)))))))], workingDir=/home/mcc/execution]
Support contains 2 out of 170 places. Attempting structural reductions.
Property had overlarge support with respect to TGBA, discarding it for now.
Starting structural reductions, iteration 0 : 170/170 places, 218/218 transitions.
Discarding 11 places :
Symmetric choice reduction at 0 with 11 rule applications. Total rules 11 place count 159 transition count 207
Iterating global reduction 0 with 11 rules applied. Total rules applied 22 place count 159 transition count 207
Ensure Unique test removed 1 transitions
Reduce isomorphic transitions removed 1 transitions.
Iterating post reduction 0 with 1 rules applied. Total rules applied 23 place count 159 transition count 206
Discarding 6 places :
Symmetric choice reduction at 1 with 6 rule applications. Total rules 29 place count 153 transition count 200
Iterating global reduction 1 with 6 rules applied. Total rules applied 35 place count 153 transition count 200
Discarding 3 places :
Symmetric choice reduction at 1 with 3 rule applications. Total rules 38 place count 150 transition count 197
Iterating global reduction 1 with 3 rules applied. Total rules applied 41 place count 150 transition count 197
Discarding 3 places :
Symmetric choice reduction at 1 with 3 rule applications. Total rules 44 place count 147 transition count 194
Iterating global reduction 1 with 3 rules applied. Total rules applied 47 place count 147 transition count 194
Discarding 1 places :
Symmetric choice reduction at 1 with 1 rule applications. Total rules 48 place count 146 transition count 193
Iterating global reduction 1 with 1 rules applied. Total rules applied 49 place count 146 transition count 193
Applied a total of 49 rules in 8 ms. Remains 146 /170 variables (removed 24) and now considering 193/218 (removed 25) transitions.
// Phase 1: matrix 193 rows 146 cols
[2021-05-16 12:23:07] [INFO ] Computed 3 place invariants in 1 ms
[2021-05-16 12:23:07] [INFO ] Implicit Places using invariants in 30 ms returned []
// Phase 1: matrix 193 rows 146 cols
[2021-05-16 12:23:07] [INFO ] Computed 3 place invariants in 1 ms
[2021-05-16 12:23:07] [INFO ] Implicit Places using invariants and state equation in 77 ms returned []
Implicit Place search using SMT with State Equation took 108 ms to find 0 implicit places.
// Phase 1: matrix 193 rows 146 cols
[2021-05-16 12:23:07] [INFO ] Computed 3 place invariants in 7 ms
[2021-05-16 12:23:07] [INFO ] Dead Transitions using invariants and state equation in 82 ms returned []
Finished structural reductions, in 1 iterations. Remains : 146/170 places, 193/218 transitions.
Stuttering acceptance computed with spot in 26 ms :[(NOT p0)]
Running random walk in product with property : SmartHome-PT-12-12 automaton TGBA [mat=[[{ cond=(NOT p0), acceptance={0} source=0 dest: 0}]], initial=0, aps=[p0:(AND (EQ s109 1) (EQ s139 1))], nbAcceptance=1, properties=[trans-labels, explicit-labels, trans-acc, colored, deterministic, no-univ-branch, unambiguous, semi-deterministic, very-weak, weak, inherently-weak], stateDesc=[null][false]]
Stuttering criterion allowed to conclude after 158 steps with 0 reset in 0 ms.
FORMULA SmartHome-PT-12-12 FALSE TECHNIQUES STUTTER_TEST
Treatment of property SmartHome-PT-12-12 finished in 237 ms.
Running Spot : CommandLine [args=[/home/mcc/BenchKit/bin//..//ltl2tgba, --hoaf=tv, -f, !(X((p0&&G(p1))))], workingDir=/home/mcc/execution]
Support contains 2 out of 170 places. Attempting structural reductions.
Starting structural reductions, iteration 0 : 170/170 places, 218/218 transitions.
Discarding 11 places :
Symmetric choice reduction at 0 with 11 rule applications. Total rules 11 place count 159 transition count 207
Iterating global reduction 0 with 11 rules applied. Total rules applied 22 place count 159 transition count 207
Ensure Unique test removed 1 transitions
Reduce isomorphic transitions removed 1 transitions.
Iterating post reduction 0 with 1 rules applied. Total rules applied 23 place count 159 transition count 206
Discarding 6 places :
Symmetric choice reduction at 1 with 6 rule applications. Total rules 29 place count 153 transition count 200
Iterating global reduction 1 with 6 rules applied. Total rules applied 35 place count 153 transition count 200
Discarding 3 places :
Symmetric choice reduction at 1 with 3 rule applications. Total rules 38 place count 150 transition count 197
Iterating global reduction 1 with 3 rules applied. Total rules applied 41 place count 150 transition count 197
Discarding 3 places :
Symmetric choice reduction at 1 with 3 rule applications. Total rules 44 place count 147 transition count 194
Iterating global reduction 1 with 3 rules applied. Total rules applied 47 place count 147 transition count 194
Discarding 1 places :
Symmetric choice reduction at 1 with 1 rule applications. Total rules 48 place count 146 transition count 193
Iterating global reduction 1 with 1 rules applied. Total rules applied 49 place count 146 transition count 193
Applied a total of 49 rules in 9 ms. Remains 146 /170 variables (removed 24) and now considering 193/218 (removed 25) transitions.
// Phase 1: matrix 193 rows 146 cols
[2021-05-16 12:23:07] [INFO ] Computed 3 place invariants in 1 ms
[2021-05-16 12:23:07] [INFO ] Implicit Places using invariants in 27 ms returned []
// Phase 1: matrix 193 rows 146 cols
[2021-05-16 12:23:07] [INFO ] Computed 3 place invariants in 1 ms
[2021-05-16 12:23:07] [INFO ] Implicit Places using invariants and state equation in 77 ms returned []
Implicit Place search using SMT with State Equation took 105 ms to find 0 implicit places.
// Phase 1: matrix 193 rows 146 cols
[2021-05-16 12:23:07] [INFO ] Computed 3 place invariants in 0 ms
[2021-05-16 12:23:08] [INFO ] Dead Transitions using invariants and state equation in 79 ms returned []
Finished structural reductions, in 1 iterations. Remains : 146/170 places, 193/218 transitions.
Stuttering acceptance computed with spot in 81 ms :[true, (OR (NOT p1) (NOT p0)), (NOT p1), (OR (NOT p1) (NOT p0))]
Running random walk in product with property : SmartHome-PT-12-13 automaton TGBA [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=(OR (NOT p0) (NOT p1)), acceptance={} source=3 dest: 0}, { cond=(AND p0 p1), acceptance={} source=3 dest: 2}]], initial=1, aps=[p1:(EQ s52 0), p0:(EQ s82 1)], nbAcceptance=1, properties=[trans-labels, explicit-labels, trans-acc, complete, deterministic, no-univ-branch, unambiguous, semi-deterministic, terminal, 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 SmartHome-PT-12-13 FALSE TECHNIQUES STUTTER_TEST
Treatment of property SmartHome-PT-12-13 finished in 286 ms.
Running Spot : CommandLine [args=[/home/mcc/BenchKit/bin//..//ltl2tgba, --hoaf=tv, -f, !(F((G(p0)&&X(X(F(p1))))))], workingDir=/home/mcc/execution]
Support contains 2 out of 170 places. Attempting structural reductions.
Starting structural reductions, iteration 0 : 170/170 places, 218/218 transitions.
Discarding 9 places :
Symmetric choice reduction at 0 with 9 rule applications. Total rules 9 place count 161 transition count 209
Iterating global reduction 0 with 9 rules applied. Total rules applied 18 place count 161 transition count 209
Ensure Unique test removed 1 transitions
Reduce isomorphic transitions removed 1 transitions.
Iterating post reduction 0 with 1 rules applied. Total rules applied 19 place count 161 transition count 208
Discarding 4 places :
Symmetric choice reduction at 1 with 4 rule applications. Total rules 23 place count 157 transition count 204
Iterating global reduction 1 with 4 rules applied. Total rules applied 27 place count 157 transition count 204
Discarding 3 places :
Symmetric choice reduction at 1 with 3 rule applications. Total rules 30 place count 154 transition count 201
Iterating global reduction 1 with 3 rules applied. Total rules applied 33 place count 154 transition count 201
Discarding 3 places :
Symmetric choice reduction at 1 with 3 rule applications. Total rules 36 place count 151 transition count 198
Iterating global reduction 1 with 3 rules applied. Total rules applied 39 place count 151 transition count 198
Discarding 1 places :
Symmetric choice reduction at 1 with 1 rule applications. Total rules 40 place count 150 transition count 197
Iterating global reduction 1 with 1 rules applied. Total rules applied 41 place count 150 transition count 197
Applied a total of 41 rules in 6 ms. Remains 150 /170 variables (removed 20) and now considering 197/218 (removed 21) transitions.
// Phase 1: matrix 197 rows 150 cols
[2021-05-16 12:23:08] [INFO ] Computed 3 place invariants in 1 ms
[2021-05-16 12:23:08] [INFO ] Implicit Places using invariants in 27 ms returned []
// Phase 1: matrix 197 rows 150 cols
[2021-05-16 12:23:08] [INFO ] Computed 3 place invariants in 1 ms
[2021-05-16 12:23:08] [INFO ] Implicit Places using invariants and state equation in 63 ms returned []
Implicit Place search using SMT with State Equation took 92 ms to find 0 implicit places.
// Phase 1: matrix 197 rows 150 cols
[2021-05-16 12:23:08] [INFO ] Computed 3 place invariants in 1 ms
[2021-05-16 12:23:08] [INFO ] Dead Transitions using invariants and state equation in 82 ms returned []
Finished structural reductions, in 1 iterations. Remains : 150/170 places, 197/218 transitions.
Stuttering acceptance computed with spot in 107 ms :[(OR (NOT p1) (NOT p0)), (NOT p0), (NOT p1), (NOT p1)]
Running random walk in product with property : SmartHome-PT-12-14 automaton TGBA [mat=[[{ cond=(NOT p0), acceptance={0} source=0 dest: 0}, { cond=p0, acceptance={} source=0 dest: 1}, { cond=p0, acceptance={} source=0 dest: 2}], [{ cond=(NOT p0), acceptance={0} source=1 dest: 0}, { cond=p0, acceptance={} source=1 dest: 1}], [{ cond=true, acceptance={} source=2 dest: 3}], [{ cond=(NOT p1), acceptance={0} source=3 dest: 3}]], initial=0, aps=[p0:(NEQ s36 1), p1:(EQ s52 1)], nbAcceptance=1, properties=[trans-labels, explicit-labels, trans-acc, no-univ-branch], stateDesc=[null, null, null, null][false, false, false, false]]
Stuttering criterion allowed to conclude after 587 steps with 3 reset in 1 ms.
FORMULA SmartHome-PT-12-14 FALSE TECHNIQUES STUTTER_TEST
Treatment of property SmartHome-PT-12-14 finished in 300 ms.
All properties solved without resorting to model-checking.

BK_STOP 1621167789584

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

+ export BINDIR=/home/mcc/BenchKit/bin//../
+ BINDIR=/home/mcc/BenchKit/bin//../
++ pwd
+ export MODEL=/home/mcc/execution
+ MODEL=/home/mcc/execution
+ [[ LTLFireability = StateSpace ]]
+ /home/mcc/BenchKit/bin//..//runeclipse.sh /home/mcc/execution LTLFireability -its -ltsmin -greatspnpath /home/mcc/BenchKit/bin//..//greatspn/ -order META -manyOrder -smt -timeout 3600
+ ulimit -s 65536
+ [[ -z '' ]]
+ export LTSMIN_MEM_SIZE=8589934592
+ LTSMIN_MEM_SIZE=8589934592
++ cut -d . -f 9
++ ls /home/mcc/BenchKit/bin//..//itstools/plugins/fr.lip6.move.gal.application.pnmcc_1.0.0.202104292328.jar
+ VERSION=0
+ echo 'Running Version 0'
+ /home/mcc/BenchKit/bin//..//itstools/its-tools -data /home/mcc/execution/workspace -pnfolder /home/mcc/execution -examination LTLFireability -spotpath /home/mcc/BenchKit/bin//..//ltlfilt -z3path /home/mcc/BenchKit/bin//..//z3/bin/z3 -yices2path /home/mcc/BenchKit/bin//..//yices/bin/yices -its -ltsmin -greatspnpath /home/mcc/BenchKit/bin//..//greatspn/ -order META -manyOrder -smt -timeout 3600 -vmargs -Dosgi.locking=none -Declipse.stateSaveDelayInterval=-1 -Dosgi.configuration.area=/tmp/.eclipse -Xss128m -Xms40m -Xmx16000m

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="SmartHome-PT-12"
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 2-4028"
echo " Executing tool itstools"
echo " Input is SmartHome-PT-12, 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 r254-tall-162106745700245"
echo "====================================================================="
echo
echo "--------------------"
echo "preparation of the directory to be used:"

tar xzf /home/mcc/BenchKit/INPUTS/SmartHome-PT-12.tgz
mv SmartHome-PT-12 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 ;