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.r165-tall-167838850600540.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)
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=====================================================================
Generated by BenchKit 2-5348
Executing tool itstools
Input is FlexibleBarrier-PT-16a, examination is LTLFireability
Time confinement is 3600 seconds
Memory confinement is 16384 MBytes
Number of cores is 4
Run identifier is r165-tall-167838850600540
=====================================================================

--------------------
preparation of the directory to be used:
/home/mcc/execution
total 656K
-rw-r--r-- 1 mcc users 7.6K Feb 25 13:21 CTLCardinality.txt
-rw-r--r-- 1 mcc users 85K Feb 25 13:21 CTLCardinality.xml
-rw-r--r-- 1 mcc users 5.9K Feb 25 12:57 CTLFireability.txt
-rw-r--r-- 1 mcc users 56K Feb 25 12:57 CTLFireability.xml
-rw-r--r-- 1 mcc users 4.2K Jan 29 11:40 GenericPropertiesDefinition.xml
-rw-r--r-- 1 mcc users 6.5K Jan 29 11:40 GenericPropertiesVerdict.xml
-rw-r--r-- 1 mcc users 3.8K Feb 25 16:07 LTLCardinality.txt
-rw-r--r-- 1 mcc users 27K Feb 25 16:07 LTLCardinality.xml
-rw-r--r-- 1 mcc users 2.4K Feb 25 16:07 LTLFireability.txt
-rw-r--r-- 1 mcc users 18K Feb 25 16:07 LTLFireability.xml
-rw-r--r-- 1 mcc users 9.1K Feb 25 13:35 ReachabilityCardinality.txt
-rw-r--r-- 1 mcc users 91K Feb 25 13:35 ReachabilityCardinality.xml
-rw-r--r-- 1 mcc users 8.3K Feb 25 13:28 ReachabilityFireability.txt
-rw-r--r-- 1 mcc users 71K Feb 25 13:28 ReachabilityFireability.xml
-rw-r--r-- 1 mcc users 1.7K Feb 25 16:07 UpperBounds.txt
-rw-r--r-- 1 mcc users 3.7K Feb 25 16:07 UpperBounds.xml
-rw-r--r-- 1 mcc users 6 Mar 5 18:22 equiv_col
-rw-r--r-- 1 mcc users 4 Mar 5 18:22 instance
-rw-r--r-- 1 mcc users 6 Mar 5 18:22 iscolored
-rw-r--r-- 1 mcc users 214K Mar 5 18:22 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 FlexibleBarrier-PT-16a-LTLFireability-00
FORMULA_NAME FlexibleBarrier-PT-16a-LTLFireability-01
FORMULA_NAME FlexibleBarrier-PT-16a-LTLFireability-02
FORMULA_NAME FlexibleBarrier-PT-16a-LTLFireability-03
FORMULA_NAME FlexibleBarrier-PT-16a-LTLFireability-04
FORMULA_NAME FlexibleBarrier-PT-16a-LTLFireability-05
FORMULA_NAME FlexibleBarrier-PT-16a-LTLFireability-06
FORMULA_NAME FlexibleBarrier-PT-16a-LTLFireability-07
FORMULA_NAME FlexibleBarrier-PT-16a-LTLFireability-08
FORMULA_NAME FlexibleBarrier-PT-16a-LTLFireability-09
FORMULA_NAME FlexibleBarrier-PT-16a-LTLFireability-10
FORMULA_NAME FlexibleBarrier-PT-16a-LTLFireability-11
FORMULA_NAME FlexibleBarrier-PT-16a-LTLFireability-12
FORMULA_NAME FlexibleBarrier-PT-16a-LTLFireability-13
FORMULA_NAME FlexibleBarrier-PT-16a-LTLFireability-14
FORMULA_NAME FlexibleBarrier-PT-16a-LTLFireability-15

=== Now, execution of the tool begins

BK_START 1679507674604

bash -c /home/mcc/BenchKit/BenchKit_head.sh 2> STDERR ; echo ; echo -n "BK_STOP " ; date -u +%s%3N
Invoking MCC driver with
BK_TOOL=itstools
BK_EXAMINATION=LTLFireability
BK_BIN_PATH=/home/mcc/BenchKit/bin/
BK_TIME_CONFINEMENT=3600
BK_INPUT=FlexibleBarrier-PT-16a
Not applying reductions.
Model is PT
LTLFireability PT
Running Version 202303021504
[2023-03-22 17:54:36] [INFO ] Running its-tools with arguments : [-pnfolder, /home/mcc/execution, -examination, LTLFireability, -its, -ltsmin, -greatspnpath, /home/mcc/BenchKit/bin//../itstools/bin//..//greatspn/, -order, META, -manyOrder, -smt, -timeout, 3600]
[2023-03-22 17:54:36] [INFO ] Parsing pnml file : /home/mcc/execution/model.pnml
[2023-03-22 17:54:36] [INFO ] Load time of PNML (sax parser for PT used): 78 ms
[2023-03-22 17:54:36] [INFO ] Transformed 195 places.
[2023-03-22 17:54:36] [INFO ] Transformed 724 transitions.
[2023-03-22 17:54:36] [INFO ] Found NUPN structural information;
[2023-03-22 17:54:36] [INFO ] Parsed PT model containing 195 places and 724 transitions and 3489 arcs in 151 ms.
Parsed 16 properties from file /home/mcc/execution/LTLFireability.xml in 7 ms.
Working with output stream class java.io.PrintStream
Initial state reduction rules removed 3 formulas.
Ensure Unique test removed 226 transitions
Reduce redundant transitions removed 226 transitions.
FORMULA FlexibleBarrier-PT-16a-LTLFireability-03 FALSE TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA FlexibleBarrier-PT-16a-LTLFireability-06 FALSE TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA FlexibleBarrier-PT-16a-LTLFireability-07 TRUE TECHNIQUES TOPOLOGICAL INITIAL_STATE
Support contains 32 out of 195 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 195/195 places, 498/498 transitions.
Drop transitions removed 16 transitions
Redundant transition composition rules discarded 16 transitions
Iterating global reduction 0 with 16 rules applied. Total rules applied 16 place count 195 transition count 482
Applied a total of 16 rules in 29 ms. Remains 195 /195 variables (removed 0) and now considering 482/498 (removed 16) transitions.
// Phase 1: matrix 482 rows 195 cols
[2023-03-22 17:54:36] [INFO ] Computed 18 place invariants in 15 ms
[2023-03-22 17:54:36] [INFO ] Implicit Places using invariants in 223 ms returned []
[2023-03-22 17:54:36] [INFO ] Invariant cache hit.
[2023-03-22 17:54:36] [INFO ] State equation strengthened by 321 read => feed constraints.
[2023-03-22 17:54:37] [INFO ] Implicit Places using invariants and state equation in 341 ms returned []
Implicit Place search using SMT with State Equation took 592 ms to find 0 implicit places.
[2023-03-22 17:54:37] [INFO ] Invariant cache hit.
[2023-03-22 17:54:37] [INFO ] Dead Transitions using invariants and state equation in 212 ms found 0 transitions.
Starting structural reductions in LTL mode, iteration 1 : 195/195 places, 482/498 transitions.
Finished structural reductions in LTL mode , in 1 iterations and 836 ms. Remains : 195/195 places, 482/498 transitions.
Support contains 32 out of 195 places after structural reductions.
[2023-03-22 17:54:37] [INFO ] Flatten gal took : 58 ms
[2023-03-22 17:54:37] [INFO ] Flatten gal took : 27 ms
[2023-03-22 17:54:37] [INFO ] Input system was already deterministic with 482 transitions.
Incomplete random walk after 10000 steps, including 2 resets, run finished after 232 ms. (steps per millisecond=43 ) properties (out of 25) seen :24
Finished Best-First random walk after 49 steps, including 0 resets, run visited all 1 properties in 3 ms. (steps per millisecond=16 )
Computed a total of 3 stabilizing places and 1 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' '!(F(p0))'
Support contains 3 out of 195 places. Attempting structural reductions.
Starting structural reductions in SI_LTL mode, iteration 0 : 195/195 places, 482/482 transitions.
Graph (trivial) has 155 edges and 195 vertex of which 42 / 195 are part of one of the 14 SCC in 3 ms
Free SCC test removed 28 places
Ensure Unique test removed 106 transitions
Reduce isomorphic transitions removed 106 transitions.
Performed 48 Post agglomeration using F-continuation condition.Transition count delta: 48
Deduced a syphon composed of 48 places in 1 ms
Reduce places removed 48 places and 0 transitions.
Iterating global reduction 0 with 96 rules applied. Total rules applied 97 place count 119 transition count 328
Drop transitions removed 145 transitions
Redundant transition composition rules discarded 145 transitions
Iterating global reduction 0 with 145 rules applied. Total rules applied 242 place count 119 transition count 183
Partial Post-agglomeration rule applied 1 times.
Drop transitions removed 1 transitions
Iterating global reduction 0 with 1 rules applied. Total rules applied 243 place count 119 transition count 183
Discarding 1 places :
Symmetric choice reduction at 0 with 1 rule applications. Total rules 244 place count 118 transition count 182
Iterating global reduction 0 with 1 rules applied. Total rules applied 245 place count 118 transition count 182
Applied a total of 245 rules in 65 ms. Remains 118 /195 variables (removed 77) and now considering 182/482 (removed 300) transitions.
[2023-03-22 17:54:38] [INFO ] Flow matrix only has 153 transitions (discarded 29 similar events)
// Phase 1: matrix 153 rows 118 cols
[2023-03-22 17:54:38] [INFO ] Computed 18 place invariants in 1 ms
[2023-03-22 17:54:38] [INFO ] Implicit Places using invariants in 128 ms returned [117]
Discarding 1 places :
Implicit Place search using SMT only with invariants took 131 ms to find 1 implicit places.
Starting structural reductions in SI_LTL mode, iteration 1 : 117/195 places, 182/482 transitions.
Graph (trivial) has 158 edges and 117 vertex of which 42 / 117 are part of one of the 14 SCC in 0 ms
Free SCC test removed 28 places
Ensure Unique test removed 56 transitions
Reduce isomorphic transitions removed 56 transitions.
Drop transitions removed 16 transitions
Trivial Post-agglo rules discarded 16 transitions
Performed 16 trivial Post agglomeration. Transition count delta: 16
Iterating post reduction 0 with 16 rules applied. Total rules applied 17 place count 89 transition count 110
Reduce places removed 16 places and 0 transitions.
Iterating post reduction 1 with 16 rules applied. Total rules applied 33 place count 73 transition count 110
Performed 16 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 2 with 16 Pre rules applied. Total rules applied 33 place count 73 transition count 94
Deduced a syphon composed of 16 places in 0 ms
Reduce places removed 16 places and 0 transitions.
Iterating global reduction 2 with 32 rules applied. Total rules applied 65 place count 57 transition count 94
Performed 18 Post agglomeration using F-continuation condition.Transition count delta: 18
Deduced a syphon composed of 18 places in 0 ms
Reduce places removed 18 places and 0 transitions.
Iterating global reduction 2 with 36 rules applied. Total rules applied 101 place count 39 transition count 76
Drop transitions removed 16 transitions
Redundant transition composition rules discarded 16 transitions
Iterating global reduction 2 with 16 rules applied. Total rules applied 117 place count 39 transition count 60
Applied a total of 117 rules in 15 ms. Remains 39 /117 variables (removed 78) and now considering 60/182 (removed 122) transitions.
[2023-03-22 17:54:38] [INFO ] Flow matrix only has 43 transitions (discarded 17 similar events)
// Phase 1: matrix 43 rows 39 cols
[2023-03-22 17:54:38] [INFO ] Computed 17 place invariants in 0 ms
[2023-03-22 17:54:38] [INFO ] Implicit Places using invariants in 25 ms returned []
[2023-03-22 17:54:38] [INFO ] Flow matrix only has 43 transitions (discarded 17 similar events)
[2023-03-22 17:54:38] [INFO ] Invariant cache hit.
[2023-03-22 17:54:38] [INFO ] State equation strengthened by 19 read => feed constraints.
[2023-03-22 17:54:38] [INFO ] Implicit Places using invariants and state equation in 66 ms returned []
Implicit Place search using SMT with State Equation took 93 ms to find 0 implicit places.
Starting structural reductions in SI_LTL mode, iteration 2 : 39/195 places, 60/482 transitions.
Finished structural reductions in SI_LTL mode , in 2 iterations and 304 ms. Remains : 39/195 places, 60/482 transitions.
Stuttering acceptance computed with spot in 130 ms :[(NOT p0)]
Running random walk in product with property : FlexibleBarrier-PT-16a-LTLFireability-00 automaton TGBA Formula[mat=[[{ cond=(NOT p0), acceptance={0} source=0 dest: 0}]], initial=0, aps=[p0:(AND (EQ s9 1) (EQ s22 1) (EQ s38 1))], nbAcceptance=1, properties=[trans-labels, explicit-labels, trans-acc, colored, deterministic, no-univ-branch, unambiguous, semi-deterministic, stutter-invariant, very-weak, weak, inherently-weak], stateDesc=[null][true]]
Stuttering criterion allowed to conclude after 1 steps with 0 reset in 1 ms.
FORMULA FlexibleBarrier-PT-16a-LTLFireability-00 FALSE TECHNIQUES STUTTER_TEST
Treatment of property FlexibleBarrier-PT-16a-LTLFireability-00 finished in 599 ms.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202303021504/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!(G(F(p0)))'
Support contains 2 out of 195 places. Attempting structural reductions.
Starting structural reductions in SI_LTL mode, iteration 0 : 195/195 places, 482/482 transitions.
Graph (trivial) has 160 edges and 195 vertex of which 48 / 195 are part of one of the 16 SCC in 1 ms
Free SCC test removed 32 places
Ensure Unique test removed 137 transitions
Reduce isomorphic transitions removed 137 transitions.
Performed 48 Post agglomeration using F-continuation condition.Transition count delta: 48
Deduced a syphon composed of 48 places in 0 ms
Reduce places removed 48 places and 0 transitions.
Iterating global reduction 0 with 96 rules applied. Total rules applied 97 place count 115 transition count 297
Drop transitions removed 120 transitions
Redundant transition composition rules discarded 120 transitions
Iterating global reduction 0 with 120 rules applied. Total rules applied 217 place count 115 transition count 177
Applied a total of 217 rules in 21 ms. Remains 115 /195 variables (removed 80) and now considering 177/482 (removed 305) transitions.
[2023-03-22 17:54:38] [INFO ] Flow matrix only has 146 transitions (discarded 31 similar events)
// Phase 1: matrix 146 rows 115 cols
[2023-03-22 17:54:38] [INFO ] Computed 18 place invariants in 0 ms
[2023-03-22 17:54:38] [INFO ] Implicit Places using invariants in 85 ms returned [114]
Discarding 1 places :
Implicit Place search using SMT only with invariants took 86 ms to find 1 implicit places.
Starting structural reductions in SI_LTL mode, iteration 1 : 114/195 places, 177/482 transitions.
Graph (trivial) has 159 edges and 114 vertex of which 48 / 114 are part of one of the 16 SCC in 1 ms
Free SCC test removed 32 places
Ensure Unique test removed 64 transitions
Reduce isomorphic transitions removed 64 transitions.
Drop transitions removed 16 transitions
Trivial Post-agglo rules discarded 16 transitions
Performed 16 trivial Post agglomeration. Transition count delta: 16
Iterating post reduction 0 with 16 rules applied. Total rules applied 17 place count 82 transition count 97
Reduce places removed 16 places and 0 transitions.
Iterating post reduction 1 with 16 rules applied. Total rules applied 33 place count 66 transition count 97
Performed 15 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 2 with 15 Pre rules applied. Total rules applied 33 place count 66 transition count 82
Deduced a syphon composed of 15 places in 0 ms
Reduce places removed 15 places and 0 transitions.
Iterating global reduction 2 with 30 rules applied. Total rules applied 63 place count 51 transition count 82
Performed 16 Post agglomeration using F-continuation condition.Transition count delta: 16
Deduced a syphon composed of 16 places in 1 ms
Reduce places removed 16 places and 0 transitions.
Iterating global reduction 2 with 32 rules applied. Total rules applied 95 place count 35 transition count 66
Drop transitions removed 16 transitions
Redundant transition composition rules discarded 16 transitions
Iterating global reduction 2 with 16 rules applied. Total rules applied 111 place count 35 transition count 50
Applied a total of 111 rules in 8 ms. Remains 35 /114 variables (removed 79) and now considering 50/177 (removed 127) transitions.
[2023-03-22 17:54:38] [INFO ] Flow matrix only has 35 transitions (discarded 15 similar events)
// Phase 1: matrix 35 rows 35 cols
[2023-03-22 17:54:38] [INFO ] Computed 17 place invariants in 1 ms
[2023-03-22 17:54:38] [INFO ] Implicit Places using invariants in 25 ms returned []
[2023-03-22 17:54:38] [INFO ] Flow matrix only has 35 transitions (discarded 15 similar events)
[2023-03-22 17:54:38] [INFO ] Invariant cache hit.
[2023-03-22 17:54:39] [INFO ] State equation strengthened by 17 read => feed constraints.
[2023-03-22 17:54:39] [INFO ] Implicit Places using invariants and state equation in 37 ms returned []
Implicit Place search using SMT with State Equation took 63 ms to find 0 implicit places.
Starting structural reductions in SI_LTL mode, iteration 2 : 35/195 places, 50/482 transitions.
Finished structural reductions in SI_LTL mode , in 2 iterations and 178 ms. Remains : 35/195 places, 50/482 transitions.
Stuttering acceptance computed with spot in 91 ms :[(NOT p0), (NOT p0)]
Running random walk in product with property : FlexibleBarrier-PT-16a-LTLFireability-01 automaton TGBA Formula[mat=[[{ cond=true, acceptance={} source=0 dest: 0}, { cond=(NOT p0), acceptance={} source=0 dest: 1}], [{ cond=(NOT p0), acceptance={0} source=1 dest: 1}]], initial=0, aps=[p0:(OR (NEQ s15 1) (NEQ s34 1))], nbAcceptance=1, properties=[trans-labels, explicit-labels, trans-acc, no-univ-branch, stutter-invariant, very-weak, weak, inherently-weak], stateDesc=[null, null][true, true]]
Stuttering criterion allowed to conclude after 117 steps with 0 reset in 2 ms.
FORMULA FlexibleBarrier-PT-16a-LTLFireability-01 FALSE TECHNIQUES STUTTER_TEST
Treatment of property FlexibleBarrier-PT-16a-LTLFireability-01 finished in 283 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)||G(p1)) U p2))'
Support contains 9 out of 195 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 195/195 places, 482/482 transitions.
Applied a total of 0 rules in 4 ms. Remains 195 /195 variables (removed 0) and now considering 482/482 (removed 0) transitions.
// Phase 1: matrix 482 rows 195 cols
[2023-03-22 17:54:39] [INFO ] Computed 18 place invariants in 3 ms
[2023-03-22 17:54:39] [INFO ] Implicit Places using invariants in 76 ms returned []
[2023-03-22 17:54:39] [INFO ] Invariant cache hit.
[2023-03-22 17:54:39] [INFO ] State equation strengthened by 321 read => feed constraints.
[2023-03-22 17:54:39] [INFO ] Implicit Places using invariants and state equation in 272 ms returned []
Implicit Place search using SMT with State Equation took 353 ms to find 0 implicit places.
[2023-03-22 17:54:39] [INFO ] Invariant cache hit.
[2023-03-22 17:54:39] [INFO ] Dead Transitions using invariants and state equation in 180 ms found 0 transitions.
Finished structural reductions in LTL mode , in 1 iterations and 539 ms. Remains : 195/195 places, 482/482 transitions.
Stuttering acceptance computed with spot in 185 ms :[(NOT p2), (NOT p0), (AND (NOT p1) (NOT p0)), true, (NOT p1)]
Running random walk in product with property : FlexibleBarrier-PT-16a-LTLFireability-02 automaton TGBA Formula[mat=[[{ cond=(NOT p2), acceptance={0} source=0 dest: 0}, { cond=(AND (NOT p2) (NOT p1)), acceptance={0} source=0 dest: 1}, { cond=(AND (NOT p2) p1), acceptance={0} source=0 dest: 2}], [{ cond=(NOT p0), acceptance={} source=1 dest: 3}], [{ cond=(AND (NOT p1) (NOT p0)), acceptance={} source=2 dest: 3}, { cond=(AND p1 (NOT p0)), acceptance={} source=2 dest: 4}], [{ cond=true, acceptance={0} source=3 dest: 3}], [{ cond=(NOT p1), acceptance={} source=4 dest: 3}, { cond=p1, acceptance={} source=4 dest: 4}]], initial=0, aps=[p2:(OR (AND (EQ s84 1) (EQ s119 1) (EQ s193 1)) (AND (EQ s141 1) (EQ s194 1))), p1:(AND (EQ s120 1) (EQ s191 1) (EQ s193 1)), p0:(AND (EQ s96 1) (EQ s107 ...], nbAcceptance=1, properties=[trans-labels, explicit-labels, trans-acc, no-univ-branch, stutter-sensitive, very-weak, weak, inherently-weak], stateDesc=[null, null, null, null, null][false, false, false, false, false]]
Entered a terminal (fully accepting) state of product in 1 steps with 0 reset in 0 ms.
FORMULA FlexibleBarrier-PT-16a-LTLFireability-02 FALSE TECHNIQUES STUTTER_TEST
Treatment of property FlexibleBarrier-PT-16a-LTLFireability-02 finished in 754 ms.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202303021504/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!(F(p0))'
Support contains 2 out of 195 places. Attempting structural reductions.
Starting structural reductions in SI_LTL mode, iteration 0 : 195/195 places, 482/482 transitions.
Graph (trivial) has 159 edges and 195 vertex of which 48 / 195 are part of one of the 16 SCC in 1 ms
Free SCC test removed 32 places
Ensure Unique test removed 137 transitions
Reduce isomorphic transitions removed 137 transitions.
Performed 48 Post agglomeration using F-continuation condition.Transition count delta: 48
Deduced a syphon composed of 48 places in 1 ms
Reduce places removed 48 places and 0 transitions.
Iterating global reduction 0 with 96 rules applied. Total rules applied 97 place count 115 transition count 297
Drop transitions removed 120 transitions
Redundant transition composition rules discarded 120 transitions
Iterating global reduction 0 with 120 rules applied. Total rules applied 217 place count 115 transition count 177
Applied a total of 217 rules in 25 ms. Remains 115 /195 variables (removed 80) and now considering 177/482 (removed 305) transitions.
[2023-03-22 17:54:39] [INFO ] Flow matrix only has 146 transitions (discarded 31 similar events)
// Phase 1: matrix 146 rows 115 cols
[2023-03-22 17:54:39] [INFO ] Computed 18 place invariants in 2 ms
[2023-03-22 17:54:39] [INFO ] Implicit Places using invariants in 71 ms returned [113]
Discarding 1 places :
Implicit Place search using SMT only with invariants took 81 ms to find 1 implicit places.
Starting structural reductions in SI_LTL mode, iteration 1 : 114/195 places, 177/482 transitions.
Performed 15 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 0 with 15 Pre rules applied. Total rules applied 0 place count 114 transition count 162
Deduced a syphon composed of 15 places in 1 ms
Reduce places removed 15 places and 0 transitions.
Iterating global reduction 0 with 30 rules applied. Total rules applied 30 place count 99 transition count 162
Applied a total of 30 rules in 9 ms. Remains 99 /114 variables (removed 15) and now considering 162/177 (removed 15) transitions.
[2023-03-22 17:54:39] [INFO ] Flow matrix only has 131 transitions (discarded 31 similar events)
// Phase 1: matrix 131 rows 99 cols
[2023-03-22 17:54:39] [INFO ] Computed 17 place invariants in 1 ms
[2023-03-22 17:54:40] [INFO ] Implicit Places using invariants in 52 ms returned []
[2023-03-22 17:54:40] [INFO ] Flow matrix only has 131 transitions (discarded 31 similar events)
[2023-03-22 17:54:40] [INFO ] Invariant cache hit.
[2023-03-22 17:54:40] [INFO ] State equation strengthened by 97 read => feed constraints.
[2023-03-22 17:54:40] [INFO ] Implicit Places using invariants and state equation in 126 ms returned []
Implicit Place search using SMT with State Equation took 181 ms to find 0 implicit places.
Starting structural reductions in SI_LTL mode, iteration 2 : 99/195 places, 162/482 transitions.
Finished structural reductions in SI_LTL mode , in 2 iterations and 297 ms. Remains : 99/195 places, 162/482 transitions.
Stuttering acceptance computed with spot in 41 ms :[(NOT p0)]
Running random walk in product with property : FlexibleBarrier-PT-16a-LTLFireability-04 automaton TGBA Formula[mat=[[{ cond=(NOT p0), acceptance={0} source=0 dest: 0}]], initial=0, aps=[p0:(AND (EQ s15 1) (EQ s98 1))], nbAcceptance=1, properties=[trans-labels, explicit-labels, trans-acc, colored, deterministic, no-univ-branch, unambiguous, semi-deterministic, stutter-invariant, very-weak, weak, inherently-weak], stateDesc=[null][true]]
Stuttering criterion allowed to conclude after 1 steps with 0 reset in 0 ms.
FORMULA FlexibleBarrier-PT-16a-LTLFireability-04 FALSE TECHNIQUES STUTTER_TEST
Treatment of property FlexibleBarrier-PT-16a-LTLFireability-04 finished in 355 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 U G(p1))&&X(X(p1)))) U p2)))'
Support contains 5 out of 195 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 195/195 places, 482/482 transitions.
Applied a total of 0 rules in 5 ms. Remains 195 /195 variables (removed 0) and now considering 482/482 (removed 0) transitions.
// Phase 1: matrix 482 rows 195 cols
[2023-03-22 17:54:40] [INFO ] Computed 18 place invariants in 2 ms
[2023-03-22 17:54:40] [INFO ] Implicit Places using invariants in 98 ms returned [194]
Discarding 1 places :
Implicit Place search using SMT only with invariants took 100 ms to find 1 implicit places.
Starting structural reductions in LTL mode, iteration 1 : 194/195 places, 482/482 transitions.
Applied a total of 0 rules in 2 ms. Remains 194 /194 variables (removed 0) and now considering 482/482 (removed 0) transitions.
Finished structural reductions in LTL mode , in 2 iterations and 109 ms. Remains : 194/195 places, 482/482 transitions.
Stuttering acceptance computed with spot in 378 ms :[(NOT p2), (NOT p2), (NOT p1), (NOT p1), (NOT p1), (NOT p1), (NOT p1), (NOT p1), (NOT p1)]
Running random walk in product with property : FlexibleBarrier-PT-16a-LTLFireability-05 automaton TGBA Formula[mat=[[{ cond=true, acceptance={} source=0 dest: 1}], [{ cond=(NOT p2), acceptance={0} source=1 dest: 1}, { cond=(AND (NOT p2) (NOT p1) (NOT p0)), acceptance={} source=1 dest: 2}, { cond=(AND (NOT p2) p0), acceptance={} source=1 dest: 3}, { cond=(OR (AND (NOT p2) p1) (AND (NOT p2) p0)), acceptance={} source=1 dest: 4}, { cond=(AND (NOT p2) p1 (NOT p0)), acceptance={} source=1 dest: 5}], [{ cond=(AND (NOT p1) (NOT p0)), acceptance={0} source=2 dest: 2}, { cond=(AND p1 p0), acceptance={} source=2 dest: 3}, { cond=(AND (NOT p1) p0), acceptance={0} source=2 dest: 3}, { cond=(OR p1 p0), acceptance={0} source=2 dest: 4}, { cond=(AND p1 (NOT p0)), acceptance={} source=2 dest: 5}], [{ cond=(AND (NOT p1) (NOT p0)), acceptance={0} source=3 dest: 2}, { cond=(AND p1 p0), acceptance={} source=3 dest: 3}, { cond=(AND (NOT p1) p0), acceptance={0} source=3 dest: 3}, { cond=(AND p1 (NOT p0)), acceptance={} source=3 dest: 5}], [{ cond=(AND p1 (NOT p0)), acceptance={} source=4 dest: 6}, { cond=(AND (NOT p1) (NOT p0)), acceptance={0} source=4 dest: 6}, { cond=(AND p1 p0), acceptance={} source=4 dest: 7}, { cond=(AND (NOT p1) p0), acceptance={0} source=4 dest: 7}, { cond=p1, acceptance={0} source=4 dest: 8}], [{ cond=(AND (NOT p1) (NOT p0)), acceptance={0} source=5 dest: 2}, { cond=(AND p1 p0), acceptance={} source=5 dest: 3}, { cond=(AND (NOT p1) p0), acceptance={0} source=5 dest: 3}, { cond=(AND (NOT p1) p0), acceptance={0} source=5 dest: 4}, { cond=(AND p1 (NOT p0)), acceptance={} source=5 dest: 5}], [{ cond=(AND (NOT p1) (NOT p0)), acceptance={0} source=6 dest: 2}, { cond=(AND (NOT p1) p0), acceptance={0} source=6 dest: 3}, { cond=(AND (NOT p1) p0), acceptance={0} source=6 dest: 4}], [{ cond=(AND (NOT p1) (NOT p0)), acceptance={0} source=7 dest: 2}, { cond=(AND (NOT p1) p0), acceptance={0} source=7 dest: 3}], [{ cond=(AND (NOT p1) (NOT p0)), acceptance={0} source=8 dest: 6}, { cond=(AND (NOT p1) p0), acceptance={0} source=8 dest: 7}]], initial=0, aps=[p2:(AND (EQ s111 1) (EQ s24 1)), p1:(EQ s111 1), p0:(AND (EQ s156 1) (EQ s179 1) (EQ s193 1))], nbAcceptance=1, properties=[trans-labels, explicit-labels, trans-acc, no-univ-branch, stutter-sensitive], stateDesc=[null, null, null, null, null, null, null, null, null][false, false, false, false, false, false, false, false, false]]
Product exploration explored 100000 steps with 141 reset in 551 ms.
Stack based approach found an accepted trace after 9 steps with 0 reset with depth 10 and stack size 10 in 0 ms.
FORMULA FlexibleBarrier-PT-16a-LTLFireability-05 FALSE TECHNIQUES STACK_TEST
Treatment of property FlexibleBarrier-PT-16a-LTLFireability-05 finished in 1069 ms.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202303021504/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!(F(G(p0)))'
Support contains 3 out of 195 places. Attempting structural reductions.
Starting structural reductions in SI_LTL mode, iteration 0 : 195/195 places, 482/482 transitions.
Graph (trivial) has 155 edges and 195 vertex of which 42 / 195 are part of one of the 14 SCC in 1 ms
Free SCC test removed 28 places
Ensure Unique test removed 106 transitions
Reduce isomorphic transitions removed 106 transitions.
Performed 48 Post agglomeration using F-continuation condition.Transition count delta: 48
Deduced a syphon composed of 48 places in 0 ms
Reduce places removed 48 places and 0 transitions.
Iterating global reduction 0 with 96 rules applied. Total rules applied 97 place count 119 transition count 328
Drop transitions removed 145 transitions
Redundant transition composition rules discarded 145 transitions
Iterating global reduction 0 with 145 rules applied. Total rules applied 242 place count 119 transition count 183
Partial Post-agglomeration rule applied 1 times.
Drop transitions removed 1 transitions
Iterating global reduction 0 with 1 rules applied. Total rules applied 243 place count 119 transition count 183
Discarding 1 places :
Symmetric choice reduction at 0 with 1 rule applications. Total rules 244 place count 118 transition count 182
Iterating global reduction 0 with 1 rules applied. Total rules applied 245 place count 118 transition count 182
Applied a total of 245 rules in 26 ms. Remains 118 /195 variables (removed 77) and now considering 182/482 (removed 300) transitions.
[2023-03-22 17:54:41] [INFO ] Flow matrix only has 153 transitions (discarded 29 similar events)
// Phase 1: matrix 153 rows 118 cols
[2023-03-22 17:54:41] [INFO ] Computed 18 place invariants in 1 ms
[2023-03-22 17:54:41] [INFO ] Implicit Places using invariants in 76 ms returned [117]
Discarding 1 places :
Implicit Place search using SMT only with invariants took 77 ms to find 1 implicit places.
Starting structural reductions in SI_LTL mode, iteration 1 : 117/195 places, 182/482 transitions.
Graph (trivial) has 158 edges and 117 vertex of which 42 / 117 are part of one of the 14 SCC in 1 ms
Free SCC test removed 28 places
Ensure Unique test removed 56 transitions
Reduce isomorphic transitions removed 56 transitions.
Drop transitions removed 16 transitions
Trivial Post-agglo rules discarded 16 transitions
Performed 16 trivial Post agglomeration. Transition count delta: 16
Iterating post reduction 0 with 16 rules applied. Total rules applied 17 place count 89 transition count 110
Reduce places removed 16 places and 0 transitions.
Iterating post reduction 1 with 16 rules applied. Total rules applied 33 place count 73 transition count 110
Performed 16 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 2 with 16 Pre rules applied. Total rules applied 33 place count 73 transition count 94
Deduced a syphon composed of 16 places in 0 ms
Reduce places removed 16 places and 0 transitions.
Iterating global reduction 2 with 32 rules applied. Total rules applied 65 place count 57 transition count 94
Performed 18 Post agglomeration using F-continuation condition.Transition count delta: 18
Deduced a syphon composed of 18 places in 0 ms
Reduce places removed 18 places and 0 transitions.
Iterating global reduction 2 with 36 rules applied. Total rules applied 101 place count 39 transition count 76
Drop transitions removed 16 transitions
Redundant transition composition rules discarded 16 transitions
Iterating global reduction 2 with 16 rules applied. Total rules applied 117 place count 39 transition count 60
Applied a total of 117 rules in 6 ms. Remains 39 /117 variables (removed 78) and now considering 60/182 (removed 122) transitions.
[2023-03-22 17:54:41] [INFO ] Flow matrix only has 43 transitions (discarded 17 similar events)
// Phase 1: matrix 43 rows 39 cols
[2023-03-22 17:54:41] [INFO ] Computed 17 place invariants in 0 ms
[2023-03-22 17:54:41] [INFO ] Implicit Places using invariants in 24 ms returned []
[2023-03-22 17:54:41] [INFO ] Flow matrix only has 43 transitions (discarded 17 similar events)
[2023-03-22 17:54:41] [INFO ] Invariant cache hit.
[2023-03-22 17:54:41] [INFO ] State equation strengthened by 19 read => feed constraints.
[2023-03-22 17:54:41] [INFO ] Implicit Places using invariants and state equation in 39 ms returned []
Implicit Place search using SMT with State Equation took 64 ms to find 0 implicit places.
Starting structural reductions in SI_LTL mode, iteration 2 : 39/195 places, 60/482 transitions.
Finished structural reductions in SI_LTL mode , in 2 iterations and 174 ms. Remains : 39/195 places, 60/482 transitions.
Stuttering acceptance computed with spot in 29 ms :[(NOT p0)]
Running random walk in product with property : FlexibleBarrier-PT-16a-LTLFireability-08 automaton TGBA Formula[mat=[[{ cond=p0, acceptance={} source=0 dest: 0}, { cond=(NOT p0), acceptance={0} source=0 dest: 0}]], initial=0, aps=[p0:(AND (EQ s23 1) (EQ s35 1) (EQ s38 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 1 steps with 0 reset in 0 ms.
FORMULA FlexibleBarrier-PT-16a-LTLFireability-08 FALSE TECHNIQUES STUTTER_TEST
Treatment of property FlexibleBarrier-PT-16a-LTLFireability-08 finished in 222 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||G(p1))))'
Support contains 7 out of 195 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 195/195 places, 482/482 transitions.
Applied a total of 0 rules in 3 ms. Remains 195 /195 variables (removed 0) and now considering 482/482 (removed 0) transitions.
// Phase 1: matrix 482 rows 195 cols
[2023-03-22 17:54:41] [INFO ] Computed 18 place invariants in 2 ms
[2023-03-22 17:54:41] [INFO ] Implicit Places using invariants in 89 ms returned [194]
Discarding 1 places :
Implicit Place search using SMT only with invariants took 90 ms to find 1 implicit places.
Starting structural reductions in LTL mode, iteration 1 : 194/195 places, 482/482 transitions.
Applied a total of 0 rules in 2 ms. Remains 194 /194 variables (removed 0) and now considering 482/482 (removed 0) transitions.
Finished structural reductions in LTL mode , in 2 iterations and 96 ms. Remains : 194/195 places, 482/482 transitions.
Stuttering acceptance computed with spot in 143 ms :[true, (AND (NOT p1) (NOT p0)), (NOT p1), (AND (NOT p1) (NOT p0))]
Running random walk in product with property : FlexibleBarrier-PT-16a-LTLFireability-09 automaton TGBA Formula[mat=[[{ cond=true, acceptance={0} source=0 dest: 0}], [{ cond=true, acceptance={} source=1 dest: 3}], [{ cond=(NOT p1), acceptance={} source=2 dest: 0}, { cond=p1, acceptance={} source=2 dest: 2}], [{ cond=(AND (NOT p0) (NOT p1)), acceptance={} source=3 dest: 0}, { cond=(AND (NOT p0) p1), acceptance={} source=3 dest: 2}]], initial=1, aps=[p1:(AND (EQ s11 1) (EQ s36 1) (EQ s193 1) (EQ s60 1) (EQ s107 1) (EQ s193 1)), p0:(AND (EQ s47 1) (EQ s84 1) (EQ s193 1) (EQ s11 1) (EQ s36 1) (OR (EQ s60...], 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, null][false, false, false, false]]
Entered a terminal (fully accepting) state of product in 1 steps with 0 reset in 0 ms.
FORMULA FlexibleBarrier-PT-16a-LTLFireability-09 FALSE TECHNIQUES STUTTER_TEST
Treatment of property FlexibleBarrier-PT-16a-LTLFireability-09 finished in 252 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(G((p0 U (p1||X(G(p2))))))))'
Support contains 5 out of 195 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 195/195 places, 482/482 transitions.
Applied a total of 0 rules in 3 ms. Remains 195 /195 variables (removed 0) and now considering 482/482 (removed 0) transitions.
[2023-03-22 17:54:41] [INFO ] Invariant cache hit.
[2023-03-22 17:54:41] [INFO ] Implicit Places using invariants in 96 ms returned [194]
Discarding 1 places :
Implicit Place search using SMT only with invariants took 97 ms to find 1 implicit places.
Starting structural reductions in LTL mode, iteration 1 : 194/195 places, 482/482 transitions.
Applied a total of 0 rules in 2 ms. Remains 194 /194 variables (removed 0) and now considering 482/482 (removed 0) transitions.
Finished structural reductions in LTL mode , in 2 iterations and 103 ms. Remains : 194/195 places, 482/482 transitions.
Stuttering acceptance computed with spot in 242 ms :[(AND (NOT p1) (NOT p2)), (AND (NOT p1) (NOT p2)), (AND (NOT p1) (NOT p2)), (NOT p2), (AND (NOT p1) (NOT p2)), true]
Running random walk in product with property : FlexibleBarrier-PT-16a-LTLFireability-10 automaton TGBA Formula[mat=[[{ cond=true, acceptance={} source=0 dest: 1}], [{ cond=true, acceptance={} source=1 dest: 2}], [{ cond=true, acceptance={} source=2 dest: 2}, { cond=(AND (NOT p1) (NOT p0)), acceptance={} source=2 dest: 3}, { cond=(AND (NOT p1) p0), acceptance={} source=2 dest: 4}], [{ cond=p2, acceptance={} source=3 dest: 3}, { cond=(NOT p2), acceptance={} source=3 dest: 5}], [{ cond=(AND (NOT p1) (NOT p0)), acceptance={} source=4 dest: 3}, { cond=(AND (NOT p1) p0 p2), acceptance={} source=4 dest: 4}, { cond=(AND (NOT p1) p0 (NOT p2)), acceptance={0} source=4 dest: 4}], [{ cond=true, acceptance={0} source=5 dest: 5}]], initial=0, aps=[p1:(AND (EQ s84 1) (EQ s155 1) (EQ s193 1)), p0:(EQ s145 1), p2:(AND (EQ s36 1) (EQ s155 1) (EQ s193 1))], nbAcceptance=1, properties=[trans-labels, explicit-labels, trans-acc, no-univ-branch, stutter-sensitive], stateDesc=[null, null, null, null, null, null][false, false, false, false, false, false]]
Entered a terminal (fully accepting) state of product in 3 steps with 0 reset in 0 ms.
FORMULA FlexibleBarrier-PT-16a-LTLFireability-10 FALSE TECHNIQUES STUTTER_TEST
Treatment of property FlexibleBarrier-PT-16a-LTLFireability-10 finished in 363 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(F(p1))&&p0)))'
Support contains 6 out of 195 places. Attempting structural reductions.
Starting structural reductions in SI_LTL mode, iteration 0 : 195/195 places, 482/482 transitions.
Graph (trivial) has 148 edges and 195 vertex of which 33 / 195 are part of one of the 11 SCC in 0 ms
Free SCC test removed 22 places
Ensure Unique test removed 67 transitions
Reduce isomorphic transitions removed 67 transitions.
Performed 49 Post agglomeration using F-continuation condition.Transition count delta: 49
Deduced a syphon composed of 49 places in 0 ms
Reduce places removed 49 places and 0 transitions.
Iterating global reduction 0 with 98 rules applied. Total rules applied 99 place count 124 transition count 366
Drop transitions removed 160 transitions
Redundant transition composition rules discarded 160 transitions
Iterating global reduction 0 with 160 rules applied. Total rules applied 259 place count 124 transition count 206
Partial Post-agglomeration rule applied 2 times.
Drop transitions removed 2 transitions
Iterating global reduction 0 with 2 rules applied. Total rules applied 261 place count 124 transition count 206
Discarding 2 places :
Symmetric choice reduction at 0 with 2 rule applications. Total rules 263 place count 122 transition count 204
Iterating global reduction 0 with 2 rules applied. Total rules applied 265 place count 122 transition count 204
Applied a total of 265 rules in 22 ms. Remains 122 /195 variables (removed 73) and now considering 204/482 (removed 278) transitions.
[2023-03-22 17:54:42] [INFO ] Flow matrix only has 178 transitions (discarded 26 similar events)
// Phase 1: matrix 178 rows 122 cols
[2023-03-22 17:54:42] [INFO ] Computed 18 place invariants in 1 ms
[2023-03-22 17:54:42] [INFO ] Implicit Places using invariants in 79 ms returned [121]
Discarding 1 places :
Implicit Place search using SMT only with invariants took 81 ms to find 1 implicit places.
Starting structural reductions in SI_LTL mode, iteration 1 : 121/195 places, 204/482 transitions.
Graph (trivial) has 154 edges and 121 vertex of which 33 / 121 are part of one of the 11 SCC in 0 ms
Free SCC test removed 22 places
Ensure Unique test removed 44 transitions
Reduce isomorphic transitions removed 44 transitions.
Drop transitions removed 16 transitions
Trivial Post-agglo rules discarded 16 transitions
Performed 16 trivial Post agglomeration. Transition count delta: 16
Iterating post reduction 0 with 16 rules applied. Total rules applied 17 place count 99 transition count 144
Reduce places removed 16 places and 0 transitions.
Iterating post reduction 1 with 16 rules applied. Total rules applied 33 place count 83 transition count 144
Performed 16 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 2 with 16 Pre rules applied. Total rules applied 33 place count 83 transition count 128
Deduced a syphon composed of 16 places in 1 ms
Reduce places removed 16 places and 0 transitions.
Iterating global reduction 2 with 32 rules applied. Total rules applied 65 place count 67 transition count 128
Performed 21 Post agglomeration using F-continuation condition.Transition count delta: 21
Deduced a syphon composed of 21 places in 0 ms
Reduce places removed 21 places and 0 transitions.
Iterating global reduction 2 with 42 rules applied. Total rules applied 107 place count 46 transition count 107
Drop transitions removed 16 transitions
Redundant transition composition rules discarded 16 transitions
Iterating global reduction 2 with 16 rules applied. Total rules applied 123 place count 46 transition count 91
Applied a total of 123 rules in 9 ms. Remains 46 /121 variables (removed 75) and now considering 91/204 (removed 113) transitions.
[2023-03-22 17:54:42] [INFO ] Flow matrix only has 71 transitions (discarded 20 similar events)
// Phase 1: matrix 71 rows 46 cols
[2023-03-22 17:54:42] [INFO ] Computed 17 place invariants in 0 ms
[2023-03-22 17:54:42] [INFO ] Implicit Places using invariants in 26 ms returned []
[2023-03-22 17:54:42] [INFO ] Flow matrix only has 71 transitions (discarded 20 similar events)
[2023-03-22 17:54:42] [INFO ] Invariant cache hit.
[2023-03-22 17:54:42] [INFO ] State equation strengthened by 37 read => feed constraints.
[2023-03-22 17:54:42] [INFO ] Implicit Places using invariants and state equation in 42 ms returned []
Implicit Place search using SMT with State Equation took 71 ms to find 0 implicit places.
Starting structural reductions in SI_LTL mode, iteration 2 : 46/195 places, 91/482 transitions.
Finished structural reductions in SI_LTL mode , in 2 iterations and 185 ms. Remains : 46/195 places, 91/482 transitions.
Stuttering acceptance computed with spot in 153 ms :[(OR (NOT p1) (NOT p0)), (NOT p1), (NOT p1), (NOT p0)]
Running random walk in product with property : FlexibleBarrier-PT-16a-LTLFireability-11 automaton TGBA Formula[mat=[[{ cond=(NOT p1), acceptance={} source=0 dest: 1}, { cond=true, acceptance={} source=0 dest: 2}, { cond=(NOT p0), acceptance={} source=0 dest: 3}], [{ cond=(NOT p1), acceptance={0} source=1 dest: 1}], [{ cond=(NOT p1), acceptance={} source=2 dest: 1}, { cond=true, acceptance={} source=2 dest: 2}], [{ cond=(NOT p0), acceptance={0} source=3 dest: 3}]], initial=0, aps=[p1:(AND (EQ s17 1) (EQ s24 1) (EQ s45 1)), p0:(AND (EQ s7 1) (OR (AND (EQ s11 1) (EQ s38 1) (EQ s45 1)) (AND (EQ s17 1) (EQ s24 1) (EQ s45 1))))], nbAcceptance=1, properties=[trans-labels, explicit-labels, trans-acc, no-univ-branch, stutter-invariant, very-weak, weak, inherently-weak], stateDesc=[null, null, null, null][true, true, true, true]]
Stuttering criterion allowed to conclude after 1 steps with 0 reset in 1 ms.
FORMULA FlexibleBarrier-PT-16a-LTLFireability-11 FALSE TECHNIQUES STUTTER_TEST
Treatment of property FlexibleBarrier-PT-16a-LTLFireability-11 finished in 360 ms.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202303021504/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!(X(X(X(G((X(p1)||p0))))))'
Support contains 6 out of 195 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 195/195 places, 482/482 transitions.
Applied a total of 0 rules in 2 ms. Remains 195 /195 variables (removed 0) and now considering 482/482 (removed 0) transitions.
// Phase 1: matrix 482 rows 195 cols
[2023-03-22 17:54:42] [INFO ] Computed 18 place invariants in 2 ms
[2023-03-22 17:54:42] [INFO ] Implicit Places using invariants in 99 ms returned [194]
Discarding 1 places :
Implicit Place search using SMT only with invariants took 101 ms to find 1 implicit places.
Starting structural reductions in LTL mode, iteration 1 : 194/195 places, 482/482 transitions.
Applied a total of 0 rules in 1 ms. Remains 194 /194 variables (removed 0) and now considering 482/482 (removed 0) transitions.
Finished structural reductions in LTL mode , in 2 iterations and 105 ms. Remains : 194/195 places, 482/482 transitions.
Stuttering acceptance computed with spot in 209 ms :[true, (NOT p1), (AND (NOT p0) (NOT p1)), (AND (NOT p1) (NOT p0)), (AND (NOT p1) (NOT p0)), (AND (NOT p1) (NOT p0))]
Running random walk in product with property : FlexibleBarrier-PT-16a-LTLFireability-12 automaton TGBA Formula[mat=[[{ cond=true, acceptance={0} source=0 dest: 0}], [{ cond=(NOT p1), acceptance={} source=1 dest: 0}, { cond=(AND (NOT p0) p1), acceptance={} source=1 dest: 1}, { cond=(AND p0 p1), acceptance={} source=1 dest: 2}], [{ cond=(NOT p0), acceptance={} source=2 dest: 1}, { cond=p0, acceptance={} source=2 dest: 2}], [{ cond=true, acceptance={} source=3 dest: 2}], [{ cond=true, acceptance={} source=4 dest: 5}], [{ cond=true, acceptance={} source=5 dest: 3}]], initial=4, aps=[p1:(AND (EQ s144 1) (EQ s191 1) (EQ s193 1)), p0:(OR (EQ s161 1) (AND (EQ s95 1) (EQ s156 1) (EQ s193 1)))], nbAcceptance=1, properties=[trans-labels, explicit-labels, trans-acc, complete, deterministic, no-univ-branch, unambiguous, semi-deterministic, stutter-sensitive, terminal, 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 4 steps with 0 reset in 1 ms.
FORMULA FlexibleBarrier-PT-16a-LTLFireability-12 FALSE TECHNIQUES STUTTER_TEST
Treatment of property FlexibleBarrier-PT-16a-LTLFireability-12 finished in 334 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) U G((G(p2)||p1)))))'
Support contains 7 out of 195 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 195/195 places, 482/482 transitions.
Applied a total of 0 rules in 3 ms. Remains 195 /195 variables (removed 0) and now considering 482/482 (removed 0) transitions.
[2023-03-22 17:54:42] [INFO ] Invariant cache hit.
[2023-03-22 17:54:42] [INFO ] Implicit Places using invariants in 107 ms returned [194]
Discarding 1 places :
Implicit Place search using SMT only with invariants took 108 ms to find 1 implicit places.
Starting structural reductions in LTL mode, iteration 1 : 194/195 places, 482/482 transitions.
Applied a total of 0 rules in 2 ms. Remains 194 /194 variables (removed 0) and now considering 482/482 (removed 0) transitions.
Finished structural reductions in LTL mode , in 2 iterations and 113 ms. Remains : 194/195 places, 482/482 transitions.
Stuttering acceptance computed with spot in 412 ms :[(AND (NOT p1) (NOT p2)), (AND (NOT p1) (NOT p2)), true, (OR (AND (NOT p0) p1) (AND (NOT p0) p2)), (NOT p2), (AND (NOT p2) (NOT p1)), (AND (NOT p1) (NOT p2)), (AND p1 (NOT p0) (NOT p2))]
Running random walk in product with property : FlexibleBarrier-PT-16a-LTLFireability-13 automaton TGBA Formula[mat=[[{ cond=true, acceptance={} source=0 dest: 1}], [{ cond=(OR (AND p1 p0) (AND p2 p0)), acceptance={0} source=1 dest: 1}, { cond=(AND (NOT p1) (NOT p2) p0), acceptance={0, 1} source=1 dest: 1}, { cond=(AND (NOT p1) (NOT p2) (NOT p0)), acceptance={} source=1 dest: 2}, { cond=(AND (NOT p1) (NOT p2) p0), acceptance={} source=1 dest: 3}, { cond=(AND (NOT p1) p2 (NOT p0)), acceptance={} source=1 dest: 4}, { cond=(AND p1 (NOT p0)), acceptance={} source=1 dest: 5}, { cond=(AND (NOT p1) p2 p0), acceptance={1} source=1 dest: 6}, { cond=(AND (NOT p1) p2 p0), acceptance={} source=1 dest: 7}], [{ cond=true, acceptance={0, 1} source=2 dest: 2}], [{ cond=(OR (AND p1 (NOT p0)) (AND p2 (NOT p0))), acceptance={} source=3 dest: 2}, { cond=(OR (AND p1 p0) (AND p2 p0)), acceptance={} source=3 dest: 3}], [{ cond=(NOT p2), acceptance={} source=4 dest: 2}, { cond=p2, acceptance={} source=4 dest: 4}], [{ cond=(AND (NOT p1) (NOT p2)), acceptance={} source=5 dest: 2}, { cond=(AND (NOT p1) p2), acceptance={} source=5 dest: 4}, { cond=p1, acceptance={} source=5 dest: 5}], [{ cond=(AND p1 (NOT p2) p0), acceptance={0} source=6 dest: 1}, { cond=(AND (NOT p1) (NOT p2) p0), acceptance={0, 1} source=6 dest: 1}, { cond=(AND (NOT p1) (NOT p2) (NOT p0)), acceptance={} source=6 dest: 2}, { cond=(AND (NOT p1) (NOT p2) p0), acceptance={} source=6 dest: 3}, { cond=(AND (NOT p1) p2 (NOT p0)), acceptance={} source=6 dest: 4}, { cond=(AND p1 (NOT p0)), acceptance={} source=6 dest: 5}, { cond=(AND p1 p2 p0), acceptance={} source=6 dest: 6}, { cond=(AND (NOT p1) p2 p0), acceptance={1} source=6 dest: 6}, { cond=(AND (NOT p1) p2 p0), acceptance={} source=6 dest: 7}], [{ cond=(AND p1 (NOT p2) (NOT p0)), acceptance={} source=7 dest: 2}, { cond=(AND p1 (NOT p2) p0), acceptance={} source=7 dest: 3}, { cond=(AND p1 p2 (NOT p0)), acceptance={} source=7 dest: 4}, { cond=(AND p1 p2 p0), acceptance={} source=7 dest: 7}]], initial=0, aps=[p1:(OR (AND (EQ s36 1) (EQ s179 1) (EQ s193 1)) (AND (EQ s71 1) (EQ s84 1) (EQ s193 1))), p0:(AND (EQ s131 1) (EQ s180 1) (EQ s193 1)), p2:(AND (EQ s36 1)...], nbAcceptance=2, properties=[trans-labels, explicit-labels, trans-acc, no-univ-branch, stutter-sensitive], stateDesc=[null, null, null, null, null, null, null, null][false, false, false, false, false, false, false, false]]
Entered a terminal (fully accepting) state of product in 1 steps with 0 reset in 0 ms.
FORMULA FlexibleBarrier-PT-16a-LTLFireability-13 FALSE TECHNIQUES STUTTER_TEST
Treatment of property FlexibleBarrier-PT-16a-LTLFireability-13 finished in 551 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))&&(G(F(p1))||G(p2))))'
Support contains 5 out of 195 places. Attempting structural reductions.
Starting structural reductions in SI_LTL mode, iteration 0 : 195/195 places, 482/482 transitions.
Graph (trivial) has 151 edges and 195 vertex of which 36 / 195 are part of one of the 12 SCC in 1 ms
Free SCC test removed 24 places
Ensure Unique test removed 79 transitions
Reduce isomorphic transitions removed 79 transitions.
Performed 50 Post agglomeration using F-continuation condition.Transition count delta: 50
Deduced a syphon composed of 50 places in 0 ms
Reduce places removed 50 places and 0 transitions.
Iterating global reduction 0 with 100 rules applied. Total rules applied 101 place count 121 transition count 353
Drop transitions removed 158 transitions
Redundant transition composition rules discarded 158 transitions
Iterating global reduction 0 with 158 rules applied. Total rules applied 259 place count 121 transition count 195
Partial Post-agglomeration rule applied 1 times.
Drop transitions removed 1 transitions
Iterating global reduction 0 with 1 rules applied. Total rules applied 260 place count 121 transition count 195
Discarding 1 places :
Symmetric choice reduction at 0 with 1 rule applications. Total rules 261 place count 120 transition count 194
Iterating global reduction 0 with 1 rules applied. Total rules applied 262 place count 120 transition count 194
Applied a total of 262 rules in 26 ms. Remains 120 /195 variables (removed 75) and now considering 194/482 (removed 288) transitions.
[2023-03-22 17:54:43] [INFO ] Flow matrix only has 167 transitions (discarded 27 similar events)
// Phase 1: matrix 167 rows 120 cols
[2023-03-22 17:54:43] [INFO ] Computed 18 place invariants in 3 ms
[2023-03-22 17:54:43] [INFO ] Implicit Places using invariants in 92 ms returned [119]
Discarding 1 places :
Implicit Place search using SMT only with invariants took 94 ms to find 1 implicit places.
Starting structural reductions in SI_LTL mode, iteration 1 : 119/195 places, 194/482 transitions.
Graph (trivial) has 154 edges and 119 vertex of which 36 / 119 are part of one of the 12 SCC in 0 ms
Free SCC test removed 24 places
Ensure Unique test removed 48 transitions
Reduce isomorphic transitions removed 48 transitions.
Drop transitions removed 16 transitions
Trivial Post-agglo rules discarded 16 transitions
Performed 16 trivial Post agglomeration. Transition count delta: 16
Iterating post reduction 0 with 16 rules applied. Total rules applied 17 place count 95 transition count 130
Reduce places removed 16 places and 0 transitions.
Iterating post reduction 1 with 16 rules applied. Total rules applied 33 place count 79 transition count 130
Performed 16 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 2 with 16 Pre rules applied. Total rules applied 33 place count 79 transition count 114
Deduced a syphon composed of 16 places in 0 ms
Reduce places removed 16 places and 0 transitions.
Iterating global reduction 2 with 32 rules applied. Total rules applied 65 place count 63 transition count 114
Performed 20 Post agglomeration using F-continuation condition.Transition count delta: 20
Deduced a syphon composed of 20 places in 0 ms
Reduce places removed 20 places and 0 transitions.
Iterating global reduction 2 with 40 rules applied. Total rules applied 105 place count 43 transition count 94
Drop transitions removed 16 transitions
Redundant transition composition rules discarded 16 transitions
Iterating global reduction 2 with 16 rules applied. Total rules applied 121 place count 43 transition count 78
Applied a total of 121 rules in 8 ms. Remains 43 /119 variables (removed 76) and now considering 78/194 (removed 116) transitions.
[2023-03-22 17:54:43] [INFO ] Flow matrix only has 59 transitions (discarded 19 similar events)
// Phase 1: matrix 59 rows 43 cols
[2023-03-22 17:54:43] [INFO ] Computed 17 place invariants in 1 ms
[2023-03-22 17:54:43] [INFO ] Implicit Places using invariants in 30 ms returned []
[2023-03-22 17:54:43] [INFO ] Flow matrix only has 59 transitions (discarded 19 similar events)
[2023-03-22 17:54:43] [INFO ] Invariant cache hit.
[2023-03-22 17:54:43] [INFO ] State equation strengthened by 29 read => feed constraints.
[2023-03-22 17:54:43] [INFO ] Implicit Places using invariants and state equation in 51 ms returned []
Implicit Place search using SMT with State Equation took 83 ms to find 0 implicit places.
Starting structural reductions in SI_LTL mode, iteration 2 : 43/195 places, 78/482 transitions.
Finished structural reductions in SI_LTL mode , in 2 iterations and 214 ms. Remains : 43/195 places, 78/482 transitions.
Stuttering acceptance computed with spot in 212 ms :[(OR (NOT p0) (AND (NOT p1) (NOT p2))), (NOT p0), (NOT p1), (NOT p1), (AND (NOT p1) (NOT p2))]
Running random walk in product with property : FlexibleBarrier-PT-16a-LTLFireability-14 automaton TGBA Formula[mat=[[{ cond=true, acceptance={} source=0 dest: 1}, { cond=(AND (NOT p1) (NOT p2)), acceptance={} source=0 dest: 2}, { cond=(NOT p2), acceptance={} source=0 dest: 3}, { cond=p2, acceptance={} source=0 dest: 4}], [{ cond=p0, acceptance={} source=1 dest: 1}, { cond=(NOT p0), acceptance={0} source=1 dest: 1}], [{ cond=(NOT p1), acceptance={0} source=2 dest: 2}], [{ cond=(NOT p1), acceptance={} source=3 dest: 2}, { cond=true, acceptance={} source=3 dest: 3}], [{ cond=(AND (NOT p1) (NOT p2)), acceptance={} source=4 dest: 2}, { cond=(NOT p2), acceptance={} source=4 dest: 3}, { cond=p2, acceptance={} source=4 dest: 4}]], initial=0, aps=[p1:(EQ s21 1), p2:(OR (EQ s13 0) (EQ s37 0) (EQ s42 0)), p0:(AND (EQ s5 1) (EQ s42 1))], nbAcceptance=1, properties=[trans-labels, explicit-labels, trans-acc, no-univ-branch, stutter-invariant], stateDesc=[null, null, null, null, null][true, true, true, true, true]]
Stuttering criterion allowed to conclude after 19 steps with 0 reset in 1 ms.
FORMULA FlexibleBarrier-PT-16a-LTLFireability-14 FALSE TECHNIQUES STUTTER_TEST
Treatment of property FlexibleBarrier-PT-16a-LTLFireability-14 finished in 452 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 3 out of 195 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 195/195 places, 482/482 transitions.
Applied a total of 0 rules in 3 ms. Remains 195 /195 variables (removed 0) and now considering 482/482 (removed 0) transitions.
// Phase 1: matrix 482 rows 195 cols
[2023-03-22 17:54:43] [INFO ] Computed 18 place invariants in 1 ms
[2023-03-22 17:54:43] [INFO ] Implicit Places using invariants in 98 ms returned [194]
Discarding 1 places :
Implicit Place search using SMT only with invariants took 100 ms to find 1 implicit places.
Starting structural reductions in LTL mode, iteration 1 : 194/195 places, 482/482 transitions.
Applied a total of 0 rules in 1 ms. Remains 194 /194 variables (removed 0) and now considering 482/482 (removed 0) transitions.
Finished structural reductions in LTL mode , in 2 iterations and 106 ms. Remains : 194/195 places, 482/482 transitions.
Stuttering acceptance computed with spot in 110 ms :[(NOT p0), (NOT p0), (NOT p0)]
Running random walk in product with property : FlexibleBarrier-PT-16a-LTLFireability-15 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:(OR (NEQ s48 1) (NEQ s155 1) (NEQ s193 1))], nbAcceptance=1, properties=[trans-labels, explicit-labels, trans-acc, deterministic, no-univ-branch, unambiguous, semi-deterministic, stutter-sensitive, very-weak, weak, inherently-weak], stateDesc=[null, null, null][false, false, false]]
Product exploration explored 100000 steps with 31792 reset in 699 ms.
Stack based approach found an accepted trace after 2212 steps with 704 reset with depth 15 and stack size 15 in 23 ms.
FORMULA FlexibleBarrier-PT-16a-LTLFireability-15 FALSE TECHNIQUES STACK_TEST
Treatment of property FlexibleBarrier-PT-16a-LTLFireability-15 finished in 951 ms.
All properties solved by simple procedures.
Total runtime 8581 ms.

BK_STOP 1679507687493

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

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

Sequence of Actions to be Executed by the VM

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

set -x
# this is for BenchKit: configuration of major elements for the test
export BK_INPUT="FlexibleBarrier-PT-16a"
export BK_EXAMINATION="LTLFireability"
export BK_TOOL="itstools"
export BK_RESULT_DIR="/tmp/BK_RESULTS/OUTPUTS"
export BK_TIME_CONFINEMENT="3600"
export BK_MEMORY_CONFINEMENT="16384"
export BK_BIN_PATH="/home/mcc/BenchKit/bin/"

# this is specific to your benchmark or test

export BIN_DIR="$HOME/BenchKit/bin"

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

# this is for BenchKit: explicit launching of the test
echo "====================================================================="
echo " Generated by BenchKit 2-5348"
echo " Executing tool itstools"
echo " Input is FlexibleBarrier-PT-16a, 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 r165-tall-167838850600540"
echo "====================================================================="
echo
echo "--------------------"
echo "preparation of the directory to be used:"

tar xzf /home/mcc/BenchKit/INPUTS/FlexibleBarrier-PT-16a.tgz
mv FlexibleBarrier-PT-16a 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 ;