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.r169-tall-167838855900476.qcow2', fmt=qcow2 size=4294967296 backing_file=/data/fkordon/mcc2023-input.qcow2 cluster_size=65536 lazy_refcounts=off refcount_bits=16
Waiting for the VM to be ready (probing ssh)
...................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................
=====================================================================
Generated by BenchKit 2-5348
Executing tool ltsminxred
Input is FlexibleBarrier-PT-08a, examination is LTLFireability
Time confinement is 3600 seconds
Memory confinement is 16384 MBytes
Number of cores is 4
Run identifier is r169-tall-167838855900476
=====================================================================

--------------------
preparation of the directory to be used:
/home/mcc/execution
total 420K
-rw-r--r-- 1 mcc users 7.6K Feb 25 12:42 CTLCardinality.txt
-rw-r--r-- 1 mcc users 87K Feb 25 12:42 CTLCardinality.xml
-rw-r--r-- 1 mcc users 4.9K Feb 25 12:35 CTLFireability.txt
-rw-r--r-- 1 mcc users 42K Feb 25 12:35 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 3.5K Feb 25 16:07 LTLCardinality.txt
-rw-r--r-- 1 mcc users 24K Feb 25 16:07 LTLCardinality.xml
-rw-r--r-- 1 mcc users 2.2K Feb 25 16:07 LTLFireability.txt
-rw-r--r-- 1 mcc users 16K Feb 25 16:07 LTLFireability.xml
-rw-r--r-- 1 mcc users 7.3K Feb 25 12:45 ReachabilityCardinality.txt
-rw-r--r-- 1 mcc users 69K Feb 25 12:45 ReachabilityCardinality.xml
-rw-r--r-- 1 mcc users 5.1K Feb 25 12:44 ReachabilityFireability.txt
-rw-r--r-- 1 mcc users 36K Feb 25 12:44 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 64K 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-08a-LTLFireability-00
FORMULA_NAME FlexibleBarrier-PT-08a-LTLFireability-01
FORMULA_NAME FlexibleBarrier-PT-08a-LTLFireability-02
FORMULA_NAME FlexibleBarrier-PT-08a-LTLFireability-03
FORMULA_NAME FlexibleBarrier-PT-08a-LTLFireability-04
FORMULA_NAME FlexibleBarrier-PT-08a-LTLFireability-05
FORMULA_NAME FlexibleBarrier-PT-08a-LTLFireability-06
FORMULA_NAME FlexibleBarrier-PT-08a-LTLFireability-07
FORMULA_NAME FlexibleBarrier-PT-08a-LTLFireability-08
FORMULA_NAME FlexibleBarrier-PT-08a-LTLFireability-09
FORMULA_NAME FlexibleBarrier-PT-08a-LTLFireability-10
FORMULA_NAME FlexibleBarrier-PT-08a-LTLFireability-11
FORMULA_NAME FlexibleBarrier-PT-08a-LTLFireability-12
FORMULA_NAME FlexibleBarrier-PT-08a-LTLFireability-13
FORMULA_NAME FlexibleBarrier-PT-08a-LTLFireability-14
FORMULA_NAME FlexibleBarrier-PT-08a-LTLFireability-15

=== Now, execution of the tool begins

BK_START 1678552211047

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=ltsminxred
BK_EXAMINATION=LTLFireability
BK_BIN_PATH=/home/mcc/BenchKit/bin/
BK_TIME_CONFINEMENT=3600
BK_INPUT=FlexibleBarrier-PT-08a
Applying reductions before tool ltsmin
Invoking reducer
Running Version 202303021504
[2023-03-11 16:30:12] [INFO ] Running its-tools with arguments : [-pnfolder, /home/mcc/execution, -examination, LTLFireability, -timeout, 360, -rebuildPNML]
[2023-03-11 16:30:12] [INFO ] Parsing pnml file : /home/mcc/execution/model.pnml
[2023-03-11 16:30:12] [INFO ] Load time of PNML (sax parser for PT used): 53 ms
[2023-03-11 16:30:12] [INFO ] Transformed 99 places.
[2023-03-11 16:30:12] [INFO ] Transformed 236 transitions.
[2023-03-11 16:30:12] [INFO ] Found NUPN structural information;
[2023-03-11 16:30:12] [INFO ] Parsed PT model containing 99 places and 236 transitions and 985 arcs in 118 ms.
Parsed 16 properties from file /home/mcc/execution/LTLFireability.xml in 8 ms.
Working with output stream class java.io.PrintStream
Initial state reduction rules removed 7 formulas.
Ensure Unique test removed 50 transitions
Reduce redundant transitions removed 50 transitions.
FORMULA FlexibleBarrier-PT-08a-LTLFireability-01 FALSE TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA FlexibleBarrier-PT-08a-LTLFireability-02 FALSE TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA FlexibleBarrier-PT-08a-LTLFireability-04 TRUE TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA FlexibleBarrier-PT-08a-LTLFireability-05 FALSE TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA FlexibleBarrier-PT-08a-LTLFireability-09 FALSE TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA FlexibleBarrier-PT-08a-LTLFireability-10 FALSE TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA FlexibleBarrier-PT-08a-LTLFireability-14 FALSE TECHNIQUES TOPOLOGICAL INITIAL_STATE
Support contains 23 out of 99 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 99/99 places, 186/186 transitions.
Drop transitions removed 8 transitions
Redundant transition composition rules discarded 8 transitions
Iterating global reduction 0 with 8 rules applied. Total rules applied 8 place count 99 transition count 178
Applied a total of 8 rules in 20 ms. Remains 99 /99 variables (removed 0) and now considering 178/186 (removed 8) transitions.
// Phase 1: matrix 178 rows 99 cols
[2023-03-11 16:30:13] [INFO ] Computed 10 place invariants in 9 ms
[2023-03-11 16:30:13] [INFO ] Implicit Places using invariants in 166 ms returned []
[2023-03-11 16:30:13] [INFO ] Invariant cache hit.
[2023-03-11 16:30:13] [INFO ] State equation strengthened by 97 read => feed constraints.
[2023-03-11 16:30:13] [INFO ] Implicit Places using invariants and state equation in 131 ms returned []
Implicit Place search using SMT with State Equation took 325 ms to find 0 implicit places.
[2023-03-11 16:30:13] [INFO ] Invariant cache hit.
[2023-03-11 16:30:13] [INFO ] Dead Transitions using invariants and state equation in 106 ms found 0 transitions.
Starting structural reductions in LTL mode, iteration 1 : 99/99 places, 178/186 transitions.
Finished structural reductions in LTL mode , in 1 iterations and 453 ms. Remains : 99/99 places, 178/186 transitions.
Support contains 23 out of 99 places after structural reductions.
[2023-03-11 16:30:13] [INFO ] Flatten gal took : 37 ms
[2023-03-11 16:30:13] [INFO ] Flatten gal took : 14 ms
[2023-03-11 16:30:13] [INFO ] Input system was already deterministic with 178 transitions.
Finished random walk after 2869 steps, including 0 resets, run visited all 20 properties in 76 ms. (steps per millisecond=37 )
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' '!(X((p0||G(p1)||F(G(p2)))))'
Support contains 5 out of 99 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 99/99 places, 178/178 transitions.
Applied a total of 0 rules in 6 ms. Remains 99 /99 variables (removed 0) and now considering 178/178 (removed 0) transitions.
[2023-03-11 16:30:14] [INFO ] Invariant cache hit.
[2023-03-11 16:30:14] [INFO ] Implicit Places using invariants in 51 ms returned []
[2023-03-11 16:30:14] [INFO ] Invariant cache hit.
[2023-03-11 16:30:14] [INFO ] State equation strengthened by 97 read => feed constraints.
[2023-03-11 16:30:14] [INFO ] Implicit Places using invariants and state equation in 114 ms returned []
Implicit Place search using SMT with State Equation took 167 ms to find 0 implicit places.
[2023-03-11 16:30:14] [INFO ] Invariant cache hit.
[2023-03-11 16:30:14] [INFO ] Dead Transitions using invariants and state equation in 87 ms found 0 transitions.
Finished structural reductions in LTL mode , in 1 iterations and 264 ms. Remains : 99/99 places, 178/178 transitions.
Stuttering acceptance computed with spot in 374 ms :[(AND (NOT p0) (NOT p1) (NOT p2)), (NOT p2), (AND (NOT p2) (NOT p1)), (AND (NOT p0) (NOT p1) (NOT p2))]
Running random walk in product with property : FlexibleBarrier-PT-08a-LTLFireability-00 automaton TGBA Formula[mat=[[{ cond=(AND (NOT p0) (NOT p1)), acceptance={} source=0 dest: 1}, { cond=(AND (NOT p0) p1), acceptance={} source=0 dest: 2}], [{ cond=p2, acceptance={} source=1 dest: 1}, { cond=(NOT p2), acceptance={0} source=1 dest: 1}], [{ cond=(NOT p1), acceptance={} source=2 dest: 1}, { cond=p1, acceptance={} source=2 dest: 2}], [{ cond=true, acceptance={} source=3 dest: 0}]], initial=3, aps=[p0:(AND (EQ s11 1) (EQ s24 1) (EQ s97 1)), p1:(OR (EQ s11 0) (EQ s24 0) (EQ s97 0)), p2:(OR (EQ s16 0) (EQ s98 0))], nbAcceptance=1, properties=[trans-labels, explicit-labels, trans-acc, deterministic, no-univ-branch, unambiguous, semi-deterministic, stutter-sensitive], stateDesc=[null, null, null, null][false, false, false, false]]
Product exploration explored 100000 steps with 0 reset in 313 ms.
Stack based approach found an accepted trace after 352 steps with 0 reset with depth 353 and stack size 345 in 1 ms.
FORMULA FlexibleBarrier-PT-08a-LTLFireability-00 FALSE TECHNIQUES STACK_TEST
Treatment of property FlexibleBarrier-PT-08a-LTLFireability-00 finished in 1017 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((F(p1)&&F((!p2 U (p3||G(!p2)))))))))'
Support contains 6 out of 99 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 99/99 places, 178/178 transitions.
Applied a total of 0 rules in 7 ms. Remains 99 /99 variables (removed 0) and now considering 178/178 (removed 0) transitions.
[2023-03-11 16:30:15] [INFO ] Invariant cache hit.
[2023-03-11 16:30:15] [INFO ] Implicit Places using invariants in 72 ms returned [98]
Discarding 1 places :
Implicit Place search using SMT only with invariants took 74 ms to find 1 implicit places.
Starting structural reductions in LTL mode, iteration 1 : 98/99 places, 178/178 transitions.
Applied a total of 0 rules in 4 ms. Remains 98 /98 variables (removed 0) and now considering 178/178 (removed 0) transitions.
Finished structural reductions in LTL mode , in 2 iterations and 85 ms. Remains : 98/99 places, 178/178 transitions.
Stuttering acceptance computed with spot in 258 ms :[(OR (AND (NOT p0) p2 (NOT p3)) (AND (NOT p0) (NOT p1))), (OR (AND (NOT p0) p2 (NOT p3)) (AND (NOT p0) (NOT p1))), (NOT p1), (AND (NOT p3) p2), (OR (NOT p1) (AND p2 (NOT p3)))]
Running random walk in product with property : FlexibleBarrier-PT-08a-LTLFireability-03 automaton TGBA Formula[mat=[[{ cond=true, acceptance={} source=0 dest: 1}], [{ cond=(AND (NOT p0) (NOT p1)), acceptance={} source=1 dest: 2}, { cond=(AND (NOT p0) (NOT p3) p2), acceptance={} source=1 dest: 3}, { cond=(NOT p0), acceptance={} source=1 dest: 4}], [{ cond=(NOT p1), acceptance={0} source=2 dest: 2}], [{ cond=(AND (NOT p3) (NOT p2)), acceptance={} source=3 dest: 3}, { cond=(AND (NOT p3) p2), acceptance={0} source=3 dest: 3}], [{ cond=(NOT p1), acceptance={} source=4 dest: 2}, { cond=(AND (NOT p3) p2), acceptance={} source=4 dest: 3}, { cond=true, acceptance={} source=4 dest: 4}]], initial=0, aps=[p0:(AND (EQ s23 1) (EQ s60 1) (EQ s97 1)), p1:(OR (EQ s23 0) (EQ s60 0) (EQ s97 0)), p3:(AND (NOT (AND (EQ s47 1) (EQ s60 1) (EQ s97 1))) (NOT (AND (EQ s1...], nbAcceptance=1, properties=[trans-labels, explicit-labels, trans-acc, no-univ-branch, stutter-sensitive], stateDesc=[null, null, null, null, null][false, false, false, false, false]]
Product exploration explored 100000 steps with 5960 reset in 287 ms.
Stack based approach found an accepted trace after 2135 steps with 93 reset with depth 5 and stack size 5 in 7 ms.
FORMULA FlexibleBarrier-PT-08a-LTLFireability-03 FALSE TECHNIQUES STACK_TEST
Treatment of property FlexibleBarrier-PT-08a-LTLFireability-03 finished in 666 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 2 out of 99 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 99/99 places, 178/178 transitions.
Applied a total of 0 rules in 5 ms. Remains 99 /99 variables (removed 0) and now considering 178/178 (removed 0) transitions.
[2023-03-11 16:30:15] [INFO ] Invariant cache hit.
[2023-03-11 16:30:15] [INFO ] Implicit Places using invariants in 67 ms returned [97]
Discarding 1 places :
Implicit Place search using SMT only with invariants took 68 ms to find 1 implicit places.
Starting structural reductions in LTL mode, iteration 1 : 98/99 places, 178/178 transitions.
Applied a total of 0 rules in 2 ms. Remains 98 /98 variables (removed 0) and now considering 178/178 (removed 0) transitions.
Finished structural reductions in LTL mode , in 2 iterations and 77 ms. Remains : 98/99 places, 178/178 transitions.
Stuttering acceptance computed with spot in 113 ms :[(NOT p0), (NOT p0), (NOT p0)]
Running random walk in product with property : FlexibleBarrier-PT-08a-LTLFireability-06 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 s41 1) (NEQ s97 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 33333 reset in 181 ms.
Product exploration explored 100000 steps with 33333 reset in 180 ms.
Computed a total of 2 stabilizing places and 1 stable transitions
Computed a total of 2 stabilizing places and 1 stable transitions
Knowledge obtained : [p0, (X (X p0))]
False Knowledge obtained : []
Property proved to be true thanks to knowledge :(X (X p0))
Knowledge based reduction with 2 factoid took 49 ms. Reduced automaton from 3 states, 3 edges and 1 AP (stutter sensitive) to 1 states, 0 edges and 0 AP (stutter insensitive).
FORMULA FlexibleBarrier-PT-08a-LTLFireability-06 TRUE TECHNIQUES KNOWLEDGE
Treatment of property FlexibleBarrier-PT-08a-LTLFireability-06 finished in 624 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)&&F((G(p1)||G(p2)))))))'
Support contains 4 out of 99 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 99/99 places, 178/178 transitions.
Applied a total of 0 rules in 6 ms. Remains 99 /99 variables (removed 0) and now considering 178/178 (removed 0) transitions.
[2023-03-11 16:30:16] [INFO ] Invariant cache hit.
[2023-03-11 16:30:16] [INFO ] Implicit Places using invariants in 63 ms returned [97]
Discarding 1 places :
Implicit Place search using SMT only with invariants took 64 ms to find 1 implicit places.
Starting structural reductions in LTL mode, iteration 1 : 98/99 places, 178/178 transitions.
Applied a total of 0 rules in 3 ms. Remains 98 /98 variables (removed 0) and now considering 178/178 (removed 0) transitions.
Finished structural reductions in LTL mode , in 2 iterations and 73 ms. Remains : 98/99 places, 178/178 transitions.
Stuttering acceptance computed with spot in 204 ms :[(OR (NOT p0) (AND (NOT p1) (NOT p2))), (OR (NOT p0) (AND (NOT p1) (NOT p2))), (OR (NOT p0) (AND (NOT p1) (NOT p2))), true, (AND (NOT p1) (NOT p2))]
Running random walk in product with property : FlexibleBarrier-PT-08a-LTLFireability-07 automaton TGBA Formula[mat=[[{ cond=true, acceptance={} source=0 dest: 1}], [{ cond=true, acceptance={} source=1 dest: 2}], [{ cond=p0, acceptance={} source=2 dest: 2}, { cond=(NOT p0), acceptance={} source=2 dest: 3}, { cond=(OR (AND p0 (NOT p1)) (AND p0 (NOT p2))), acceptance={} source=2 dest: 4}], [{ cond=true, acceptance={0, 1} source=3 dest: 3}], [{ cond=(AND p1 p2), acceptance={} source=4 dest: 4}, { cond=(AND (NOT p1) p2), acceptance={0} source=4 dest: 4}, { cond=(AND p1 (NOT p2)), acceptance={1} source=4 dest: 4}, { cond=(AND (NOT p1) (NOT p2)), acceptance={0, 1} source=4 dest: 4}]], initial=0, aps=[p0:(EQ s72 1), p1:(AND (EQ s88 1) (EQ s97 1)), p2:(AND (EQ s14 1) (EQ s97 1))], nbAcceptance=2, properties=[trans-labels, explicit-labels, trans-acc, complete, no-univ-branch, stutter-sensitive], stateDesc=[null, null, null, null, null][false, false, false, false, false]]
Product exploration explored 100000 steps with 0 reset in 189 ms.
Stack based approach found an accepted trace after 131 steps with 0 reset with depth 132 and stack size 132 in 0 ms.
FORMULA FlexibleBarrier-PT-08a-LTLFireability-07 FALSE TECHNIQUES STACK_TEST
Treatment of property FlexibleBarrier-PT-08a-LTLFireability-07 finished in 490 ms.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202303021504/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!(X(G(p0)))'
Support contains 1 out of 99 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 99/99 places, 178/178 transitions.
Applied a total of 0 rules in 4 ms. Remains 99 /99 variables (removed 0) and now considering 178/178 (removed 0) transitions.
[2023-03-11 16:30:16] [INFO ] Invariant cache hit.
[2023-03-11 16:30:16] [INFO ] Implicit Places using invariants in 92 ms returned [97, 98]
Discarding 2 places :
Implicit Place search using SMT only with invariants took 93 ms to find 2 implicit places.
Starting structural reductions in LTL mode, iteration 1 : 97/99 places, 178/178 transitions.
Applied a total of 0 rules in 3 ms. Remains 97 /97 variables (removed 0) and now considering 178/178 (removed 0) transitions.
Finished structural reductions in LTL mode , in 2 iterations and 100 ms. Remains : 97/99 places, 178/178 transitions.
Stuttering acceptance computed with spot in 82 ms :[true, (NOT p0), (NOT p0)]
Running random walk in product with property : FlexibleBarrier-PT-08a-LTLFireability-08 automaton TGBA Formula[mat=[[{ cond=true, acceptance={0} source=0 dest: 0}], [{ cond=true, acceptance={} source=1 dest: 2}], [{ cond=(NOT p0), acceptance={} source=2 dest: 0}, { cond=p0, acceptance={} source=2 dest: 2}]], initial=1, aps=[p0:(EQ s13 1)], nbAcceptance=1, properties=[trans-labels, explicit-labels, trans-acc, complete, deterministic, no-univ-branch, unambiguous, semi-deterministic, stutter-sensitive, terminal, very-weak, weak, inherently-weak], stateDesc=[null, null, null][false, false, false]]
Entered a terminal (fully accepting) state of product in 1 steps with 0 reset in 0 ms.
FORMULA FlexibleBarrier-PT-08a-LTLFireability-08 FALSE TECHNIQUES STUTTER_TEST
Treatment of property FlexibleBarrier-PT-08a-LTLFireability-08 finished in 201 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 3 out of 99 places. Attempting structural reductions.
Starting structural reductions in SI_LTL mode, iteration 0 : 99/99 places, 178/178 transitions.
Graph (trivial) has 75 edges and 99 vertex of which 18 / 99 are part of one of the 6 SCC in 4 ms
Free SCC test removed 12 places
Ensure Unique test removed 22 transitions
Reduce isomorphic transitions removed 22 transitions.
Performed 24 Post agglomeration using F-continuation condition.Transition count delta: 24
Deduced a syphon composed of 24 places in 0 ms
Reduce places removed 24 places and 0 transitions.
Iterating global reduction 0 with 48 rules applied. Total rules applied 49 place count 63 transition count 132
Drop transitions removed 37 transitions
Redundant transition composition rules discarded 37 transitions
Iterating global reduction 0 with 37 rules applied. Total rules applied 86 place count 63 transition count 95
Partial Post-agglomeration rule applied 1 times.
Drop transitions removed 1 transitions
Iterating global reduction 0 with 1 rules applied. Total rules applied 87 place count 63 transition count 95
Discarding 1 places :
Symmetric choice reduction at 0 with 1 rule applications. Total rules 88 place count 62 transition count 94
Iterating global reduction 0 with 1 rules applied. Total rules applied 89 place count 62 transition count 94
Applied a total of 89 rules in 34 ms. Remains 62 /99 variables (removed 37) and now considering 94/178 (removed 84) transitions.
[2023-03-11 16:30:17] [INFO ] Flow matrix only has 81 transitions (discarded 13 similar events)
// Phase 1: matrix 81 rows 62 cols
[2023-03-11 16:30:17] [INFO ] Computed 10 place invariants in 2 ms
[2023-03-11 16:30:17] [INFO ] Implicit Places using invariants in 52 ms returned [61]
Discarding 1 places :
Implicit Place search using SMT only with invariants took 53 ms to find 1 implicit places.
Starting structural reductions in SI_LTL mode, iteration 1 : 61/99 places, 94/178 transitions.
Graph (trivial) has 78 edges and 61 vertex of which 18 / 61 are part of one of the 6 SCC in 1 ms
Free SCC test removed 12 places
Ensure Unique test removed 24 transitions
Reduce isomorphic transitions removed 24 transitions.
Drop transitions removed 8 transitions
Trivial Post-agglo rules discarded 8 transitions
Performed 8 trivial Post agglomeration. Transition count delta: 8
Iterating post reduction 0 with 8 rules applied. Total rules applied 9 place count 49 transition count 62
Reduce places removed 8 places and 0 transitions.
Iterating post reduction 1 with 8 rules applied. Total rules applied 17 place count 41 transition count 62
Performed 8 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 2 with 8 Pre rules applied. Total rules applied 17 place count 41 transition count 54
Deduced a syphon composed of 8 places in 0 ms
Reduce places removed 8 places and 0 transitions.
Iterating global reduction 2 with 16 rules applied. Total rules applied 33 place count 33 transition count 54
Performed 10 Post agglomeration using F-continuation condition.Transition count delta: 10
Deduced a syphon composed of 10 places in 0 ms
Reduce places removed 10 places and 0 transitions.
Iterating global reduction 2 with 20 rules applied. Total rules applied 53 place count 23 transition count 44
Drop transitions removed 8 transitions
Redundant transition composition rules discarded 8 transitions
Iterating global reduction 2 with 8 rules applied. Total rules applied 61 place count 23 transition count 36
Applied a total of 61 rules in 14 ms. Remains 23 /61 variables (removed 38) and now considering 36/94 (removed 58) transitions.
[2023-03-11 16:30:17] [INFO ] Flow matrix only has 27 transitions (discarded 9 similar events)
// Phase 1: matrix 27 rows 23 cols
[2023-03-11 16:30:17] [INFO ] Computed 9 place invariants in 1 ms
[2023-03-11 16:30:17] [INFO ] Implicit Places using invariants in 22 ms returned []
[2023-03-11 16:30:17] [INFO ] Flow matrix only has 27 transitions (discarded 9 similar events)
[2023-03-11 16:30:17] [INFO ] Invariant cache hit.
[2023-03-11 16:30:17] [INFO ] State equation strengthened by 11 read => feed constraints.
[2023-03-11 16:30:17] [INFO ] Implicit Places using invariants and state equation in 35 ms returned []
Implicit Place search using SMT with State Equation took 58 ms to find 0 implicit places.
Starting structural reductions in SI_LTL mode, iteration 2 : 23/99 places, 36/178 transitions.
Finished structural reductions in SI_LTL mode , in 2 iterations and 159 ms. Remains : 23/99 places, 36/178 transitions.
Stuttering acceptance computed with spot in 68 ms :[(NOT p0), (NOT p0)]
Running random walk in product with property : FlexibleBarrier-PT-08a-LTLFireability-11 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:(AND (EQ s11 1) (EQ s14 1) (EQ s22 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 1 steps with 0 reset in 0 ms.
FORMULA FlexibleBarrier-PT-08a-LTLFireability-11 FALSE TECHNIQUES STUTTER_TEST
Treatment of property FlexibleBarrier-PT-08a-LTLFireability-11 finished in 239 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))||(F(p1)&&X((p2 U p3)))))'
Support contains 8 out of 99 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 99/99 places, 178/178 transitions.
Applied a total of 0 rules in 2 ms. Remains 99 /99 variables (removed 0) and now considering 178/178 (removed 0) transitions.
// Phase 1: matrix 178 rows 99 cols
[2023-03-11 16:30:17] [INFO ] Computed 10 place invariants in 4 ms
[2023-03-11 16:30:17] [INFO ] Implicit Places using invariants in 50 ms returned []
[2023-03-11 16:30:17] [INFO ] Invariant cache hit.
[2023-03-11 16:30:17] [INFO ] State equation strengthened by 97 read => feed constraints.
[2023-03-11 16:30:17] [INFO ] Implicit Places using invariants and state equation in 88 ms returned []
Implicit Place search using SMT with State Equation took 140 ms to find 0 implicit places.
[2023-03-11 16:30:17] [INFO ] Invariant cache hit.
[2023-03-11 16:30:17] [INFO ] Dead Transitions using invariants and state equation in 88 ms found 0 transitions.
Finished structural reductions in LTL mode , in 1 iterations and 232 ms. Remains : 99/99 places, 178/178 transitions.
Stuttering acceptance computed with spot in 277 ms :[(OR (AND (NOT p0) (NOT p1)) (AND (NOT p0) (NOT p3))), (AND (NOT p1) (NOT p0)), (AND (NOT p0) (NOT p3)), (NOT p1), true, (NOT p0), (NOT p3)]
Running random walk in product with property : FlexibleBarrier-PT-08a-LTLFireability-12 automaton TGBA Formula[mat=[[{ cond=(NOT p1), acceptance={} source=0 dest: 1}, { cond=true, acceptance={} source=0 dest: 2}], [{ cond=(AND (NOT p1) p0), acceptance={} source=1 dest: 1}, { cond=(AND (NOT p1) (NOT p0)), acceptance={} source=1 dest: 3}], [{ cond=(AND p0 (NOT p3) p2), acceptance={} source=2 dest: 2}, { cond=(AND (NOT p0) (NOT p3) (NOT p2)), acceptance={} source=2 dest: 4}, { cond=(AND p0 (NOT p3) (NOT p2)), acceptance={} source=2 dest: 5}, { cond=(AND (NOT p0) (NOT p3) p2), acceptance={} source=2 dest: 6}], [{ cond=(NOT p1), acceptance={0} source=3 dest: 3}], [{ cond=true, acceptance={0} source=4 dest: 4}], [{ cond=(NOT p0), acceptance={} source=5 dest: 4}, { cond=p0, acceptance={} source=5 dest: 5}], [{ cond=(AND (NOT p3) (NOT p2)), acceptance={0} source=6 dest: 4}, { cond=(AND (NOT p3) p2), acceptance={0} source=6 dest: 6}]], initial=0, aps=[p1:(OR (EQ s38 0) (EQ s98 0)), p0:(AND (EQ s35 1) (EQ s60 1) (EQ s97 1)), p3:(AND (EQ s70 1) (EQ s48 1) (EQ s95 1) (EQ s97 1)), p2:(EQ s70 1)], nbAcceptance=1, properties=[trans-labels, explicit-labels, trans-acc, no-univ-branch, stutter-sensitive, very-weak, weak, inherently-weak], stateDesc=[null, null, null, null, null, null, null][false, false, false, false, false, false, false]]
Entered a terminal (fully accepting) state of product in 1 steps with 0 reset in 0 ms.
FORMULA FlexibleBarrier-PT-08a-LTLFireability-12 FALSE TECHNIQUES STUTTER_TEST
Treatment of property FlexibleBarrier-PT-08a-LTLFireability-12 finished in 533 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 U (p1||G(!p0))))))'
Support contains 5 out of 99 places. Attempting structural reductions.
Starting structural reductions in SI_LTL mode, iteration 0 : 99/99 places, 178/178 transitions.
Graph (trivial) has 73 edges and 99 vertex of which 18 / 99 are part of one of the 6 SCC in 1 ms
Free SCC test removed 12 places
Ensure Unique test removed 22 transitions
Reduce isomorphic transitions removed 22 transitions.
Performed 23 Post agglomeration using F-continuation condition.Transition count delta: 23
Deduced a syphon composed of 23 places in 0 ms
Reduce places removed 23 places and 0 transitions.
Iterating global reduction 0 with 46 rules applied. Total rules applied 47 place count 64 transition count 133
Drop transitions removed 37 transitions
Redundant transition composition rules discarded 37 transitions
Iterating global reduction 0 with 37 rules applied. Total rules applied 84 place count 64 transition count 96
Partial Post-agglomeration rule applied 2 times.
Drop transitions removed 2 transitions
Iterating global reduction 0 with 2 rules applied. Total rules applied 86 place count 64 transition count 96
Discarding 1 places :
Symmetric choice reduction at 0 with 1 rule applications. Total rules 87 place count 63 transition count 95
Iterating global reduction 0 with 1 rules applied. Total rules applied 88 place count 63 transition count 95
Applied a total of 88 rules in 24 ms. Remains 63 /99 variables (removed 36) and now considering 95/178 (removed 83) transitions.
[2023-03-11 16:30:17] [INFO ] Flow matrix only has 82 transitions (discarded 13 similar events)
// Phase 1: matrix 82 rows 63 cols
[2023-03-11 16:30:17] [INFO ] Computed 10 place invariants in 3 ms
[2023-03-11 16:30:17] [INFO ] Implicit Places using invariants in 40 ms returned []
[2023-03-11 16:30:17] [INFO ] Flow matrix only has 82 transitions (discarded 13 similar events)
[2023-03-11 16:30:17] [INFO ] Invariant cache hit.
[2023-03-11 16:30:17] [INFO ] State equation strengthened by 59 read => feed constraints.
[2023-03-11 16:30:17] [INFO ] Implicit Places using invariants and state equation in 65 ms returned []
Implicit Place search using SMT with State Equation took 107 ms to find 0 implicit places.
[2023-03-11 16:30:17] [INFO ] Redundant transitions in 20 ms returned [46]
Found 1 redundant transitions using SMT.
Drop transitions removed 1 transitions
Redundant transitions reduction (with SMT) removed 1 transitions.
[2023-03-11 16:30:17] [INFO ] Flow matrix only has 81 transitions (discarded 13 similar events)
// Phase 1: matrix 81 rows 63 cols
[2023-03-11 16:30:17] [INFO ] Computed 10 place invariants in 4 ms
[2023-03-11 16:30:18] [INFO ] Dead Transitions using invariants and state equation in 58 ms found 0 transitions.
Starting structural reductions in SI_LTL mode, iteration 1 : 63/99 places, 94/178 transitions.
Applied a total of 0 rules in 13 ms. Remains 63 /63 variables (removed 0) and now considering 94/94 (removed 0) transitions.
Finished structural reductions in SI_LTL mode , in 2 iterations and 232 ms. Remains : 63/99 places, 94/178 transitions.
Stuttering acceptance computed with spot in 86 ms :[(AND (NOT p1) p0), (AND (NOT p1) p0)]
Running random walk in product with property : FlexibleBarrier-PT-08a-LTLFireability-13 automaton TGBA Formula[mat=[[{ cond=true, acceptance={} source=0 dest: 0}, { cond=(AND (NOT p1) p0), acceptance={} source=0 dest: 1}], [{ cond=(AND (NOT p1) (NOT p0)), acceptance={} source=1 dest: 1}, { cond=(AND (NOT p1) p0), acceptance={0} source=1 dest: 1}]], initial=0, aps=[p1:(AND (NOT (AND (EQ s21 1) (EQ s46 1) (EQ s61 1))) (NOT (AND (EQ s34 1) (EQ s62 1)))), p0:(AND (EQ s34 1) (EQ s62 1))], 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 25 steps with 0 reset in 1 ms.
FORMULA FlexibleBarrier-PT-08a-LTLFireability-13 FALSE TECHNIQUES STUTTER_TEST
Treatment of property FlexibleBarrier-PT-08a-LTLFireability-13 finished in 340 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 3 out of 99 places. Attempting structural reductions.
Starting structural reductions in SI_LTL mode, iteration 0 : 99/99 places, 178/178 transitions.
Graph (trivial) has 75 edges and 99 vertex of which 18 / 99 are part of one of the 6 SCC in 0 ms
Free SCC test removed 12 places
Ensure Unique test removed 22 transitions
Reduce isomorphic transitions removed 22 transitions.
Performed 24 Post agglomeration using F-continuation condition.Transition count delta: 24
Deduced a syphon composed of 24 places in 0 ms
Reduce places removed 24 places and 0 transitions.
Iterating global reduction 0 with 48 rules applied. Total rules applied 49 place count 63 transition count 132
Drop transitions removed 37 transitions
Redundant transition composition rules discarded 37 transitions
Iterating global reduction 0 with 37 rules applied. Total rules applied 86 place count 63 transition count 95
Partial Post-agglomeration rule applied 1 times.
Drop transitions removed 1 transitions
Iterating global reduction 0 with 1 rules applied. Total rules applied 87 place count 63 transition count 95
Discarding 1 places :
Symmetric choice reduction at 0 with 1 rule applications. Total rules 88 place count 62 transition count 94
Iterating global reduction 0 with 1 rules applied. Total rules applied 89 place count 62 transition count 94
Applied a total of 89 rules in 28 ms. Remains 62 /99 variables (removed 37) and now considering 94/178 (removed 84) transitions.
[2023-03-11 16:30:18] [INFO ] Flow matrix only has 81 transitions (discarded 13 similar events)
// Phase 1: matrix 81 rows 62 cols
[2023-03-11 16:30:18] [INFO ] Computed 10 place invariants in 1 ms
[2023-03-11 16:30:18] [INFO ] Implicit Places using invariants in 47 ms returned [61]
Discarding 1 places :
Implicit Place search using SMT only with invariants took 48 ms to find 1 implicit places.
Starting structural reductions in SI_LTL mode, iteration 1 : 61/99 places, 94/178 transitions.
Graph (trivial) has 78 edges and 61 vertex of which 18 / 61 are part of one of the 6 SCC in 1 ms
Free SCC test removed 12 places
Ensure Unique test removed 24 transitions
Reduce isomorphic transitions removed 24 transitions.
Drop transitions removed 8 transitions
Trivial Post-agglo rules discarded 8 transitions
Performed 8 trivial Post agglomeration. Transition count delta: 8
Iterating post reduction 0 with 8 rules applied. Total rules applied 9 place count 49 transition count 62
Reduce places removed 8 places and 0 transitions.
Iterating post reduction 1 with 8 rules applied. Total rules applied 17 place count 41 transition count 62
Performed 8 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 2 with 8 Pre rules applied. Total rules applied 17 place count 41 transition count 54
Deduced a syphon composed of 8 places in 0 ms
Reduce places removed 8 places and 0 transitions.
Iterating global reduction 2 with 16 rules applied. Total rules applied 33 place count 33 transition count 54
Performed 10 Post agglomeration using F-continuation condition.Transition count delta: 10
Deduced a syphon composed of 10 places in 0 ms
Reduce places removed 10 places and 0 transitions.
Iterating global reduction 2 with 20 rules applied. Total rules applied 53 place count 23 transition count 44
Drop transitions removed 8 transitions
Redundant transition composition rules discarded 8 transitions
Iterating global reduction 2 with 8 rules applied. Total rules applied 61 place count 23 transition count 36
Applied a total of 61 rules in 5 ms. Remains 23 /61 variables (removed 38) and now considering 36/94 (removed 58) transitions.
[2023-03-11 16:30:18] [INFO ] Flow matrix only has 27 transitions (discarded 9 similar events)
// Phase 1: matrix 27 rows 23 cols
[2023-03-11 16:30:18] [INFO ] Computed 9 place invariants in 0 ms
[2023-03-11 16:30:18] [INFO ] Implicit Places using invariants in 21 ms returned []
[2023-03-11 16:30:18] [INFO ] Flow matrix only has 27 transitions (discarded 9 similar events)
[2023-03-11 16:30:18] [INFO ] Invariant cache hit.
[2023-03-11 16:30:18] [INFO ] State equation strengthened by 11 read => feed constraints.
[2023-03-11 16:30:18] [INFO ] Implicit Places using invariants and state equation in 30 ms returned []
Implicit Place search using SMT with State Equation took 53 ms to find 0 implicit places.
Starting structural reductions in SI_LTL mode, iteration 2 : 23/99 places, 36/178 transitions.
Finished structural reductions in SI_LTL mode , in 2 iterations and 134 ms. Remains : 23/99 places, 36/178 transitions.
Stuttering acceptance computed with spot in 34 ms :[(NOT p0)]
Running random walk in product with property : FlexibleBarrier-PT-08a-LTLFireability-15 automaton TGBA Formula[mat=[[{ cond=(NOT p0), acceptance={0} source=0 dest: 0}]], initial=0, aps=[p0:(AND (EQ s5 1) (EQ s16 1) (EQ s22 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-08a-LTLFireability-15 FALSE TECHNIQUES STUTTER_TEST
Treatment of property FlexibleBarrier-PT-08a-LTLFireability-15 finished in 201 ms.
All properties solved by simple procedures.
Total runtime 5829 ms.
ITS solved all properties within timeout

BK_STOP 1678552219385

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

+ ulimit -s 65536
+ [[ -z '' ]]
+ export LTSMIN_MEM_SIZE=8589934592
+ LTSMIN_MEM_SIZE=8589934592
+ export PYTHONPATH=/home/mcc/BenchKit/itstools/pylibs
+ PYTHONPATH=/home/mcc/BenchKit/itstools/pylibs
+ export LD_LIBRARY_PATH=/home/mcc/BenchKit/itstools/pylibs:
+ LD_LIBRARY_PATH=/home/mcc/BenchKit/itstools/pylibs:
++ sed s/.jar//
++ perl -pe 's/.*\.//g'
++ ls /home/mcc/BenchKit/bin//../reducer/bin//../../itstools//itstools/plugins/fr.lip6.move.gal.application.pnmcc_1.0.0.202303021504.jar
+ VERSION=202303021504
+ echo 'Running Version 202303021504'
+ /home/mcc/BenchKit/bin//../reducer/bin//../../itstools//itstools/its-tools -pnfolder /home/mcc/execution -examination LTLFireability -timeout 360 -rebuildPNML

Sequence of Actions to be Executed by the VM

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

set -x
# this is for BenchKit: configuration of major elements for the test
export BK_INPUT="FlexibleBarrier-PT-08a"
export BK_EXAMINATION="LTLFireability"
export BK_TOOL="ltsminxred"
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 ltsminxred"
echo " Input is FlexibleBarrier-PT-08a, 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 r169-tall-167838855900476"
echo "====================================================================="
echo
echo "--------------------"
echo "preparation of the directory to be used:"

tar xzf /home/mcc/BenchKit/INPUTS/FlexibleBarrier-PT-08a.tgz
mv FlexibleBarrier-PT-08a 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 ;