About the Execution of Marcie+red for Kanban-PT-00100
Execution Summary | |||||
Max Memory Used (MB) |
Time wait (ms) | CPU Usage (ms) | I/O Wait (ms) | Computed Result | Execution Status |
16215.783 | 3600000.00 | 3481978.00 | 98081.00 | ?F?FTTFFF?TTTFTF | normal |
Execution Chart
We display below the execution chart for this examination (boot time has been removed).
Trace from the execution
Formatting '/data/fkordon/mcc2023-input.r234-tall-167856420100265.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 marciexred
Input is Kanban-PT-00100, examination is CTLCardinality
Time confinement is 3600 seconds
Memory confinement is 16384 MBytes
Number of cores is 4
Run identifier is r234-tall-167856420100265
=====================================================================
--------------------
preparation of the directory to be used:
/home/mcc/execution
total 456K
-rw-r--r-- 1 mcc users 7.2K Feb 25 11:57 CTLCardinality.txt
-rw-r--r-- 1 mcc users 78K Feb 25 11:57 CTLCardinality.xml
-rw-r--r-- 1 mcc users 5.4K Feb 25 11:56 CTLFireability.txt
-rw-r--r-- 1 mcc users 46K Feb 25 11:56 CTLFireability.xml
-rw-r--r-- 1 mcc users 4.2K Jan 29 11:40 GenericPropertiesDefinition.xml
-rw-r--r-- 1 mcc users 6.3K Jan 29 11:40 GenericPropertiesVerdict.xml
-rw-r--r-- 1 mcc users 3.6K Feb 25 16:19 LTLCardinality.txt
-rw-r--r-- 1 mcc users 26K Feb 25 16:19 LTLCardinality.xml
-rw-r--r-- 1 mcc users 2.3K Feb 25 16:19 LTLFireability.txt
-rw-r--r-- 1 mcc users 17K Feb 25 16:19 LTLFireability.xml
-rw-r--r-- 1 mcc users 11K Feb 25 11:58 ReachabilityCardinality.txt
-rw-r--r-- 1 mcc users 111K Feb 25 11:58 ReachabilityCardinality.xml
-rw-r--r-- 1 mcc users 8.2K Feb 25 11:57 ReachabilityFireability.txt
-rw-r--r-- 1 mcc users 67K Feb 25 11:57 ReachabilityFireability.xml
-rw-r--r-- 1 mcc users 1.6K Feb 25 16:19 UpperBounds.txt
-rw-r--r-- 1 mcc users 3.6K Feb 25 16:19 UpperBounds.xml
-rw-r--r-- 1 mcc users 6 Mar 5 18:22 equiv_col
-rw-r--r-- 1 mcc users 6 Mar 5 18:22 instance
-rw-r--r-- 1 mcc users 6 Mar 5 18:22 iscolored
-rw-r--r-- 1 mcc users 14K 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 Kanban-PT-00100-CTLCardinality-00
FORMULA_NAME Kanban-PT-00100-CTLCardinality-01
FORMULA_NAME Kanban-PT-00100-CTLCardinality-02
FORMULA_NAME Kanban-PT-00100-CTLCardinality-03
FORMULA_NAME Kanban-PT-00100-CTLCardinality-04
FORMULA_NAME Kanban-PT-00100-CTLCardinality-05
FORMULA_NAME Kanban-PT-00100-CTLCardinality-06
FORMULA_NAME Kanban-PT-00100-CTLCardinality-07
FORMULA_NAME Kanban-PT-00100-CTLCardinality-08
FORMULA_NAME Kanban-PT-00100-CTLCardinality-09
FORMULA_NAME Kanban-PT-00100-CTLCardinality-10
FORMULA_NAME Kanban-PT-00100-CTLCardinality-11
FORMULA_NAME Kanban-PT-00100-CTLCardinality-12
FORMULA_NAME Kanban-PT-00100-CTLCardinality-13
FORMULA_NAME Kanban-PT-00100-CTLCardinality-14
FORMULA_NAME Kanban-PT-00100-CTLCardinality-15
=== Now, execution of the tool begins
BK_START 1679466700100
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=marciexred
BK_EXAMINATION=CTLCardinality
BK_BIN_PATH=/home/mcc/BenchKit/bin/
BK_TIME_CONFINEMENT=3600
BK_INPUT=Kanban-PT-00100
Applying reductions before tool marcie
Invoking reducer
Running Version 202303021504
[2023-03-22 06:31:41] [INFO ] Running its-tools with arguments : [-pnfolder, /home/mcc/execution, -examination, CTLCardinality, -timeout, 360, -rebuildPNML]
[2023-03-22 06:31:41] [INFO ] Parsing pnml file : /home/mcc/execution/model.pnml
[2023-03-22 06:31:41] [INFO ] Load time of PNML (sax parser for PT used): 21 ms
[2023-03-22 06:31:41] [INFO ] Transformed 16 places.
[2023-03-22 06:31:41] [INFO ] Transformed 16 transitions.
[2023-03-22 06:31:41] [INFO ] Parsed PT model containing 16 places and 16 transitions and 40 arcs in 74 ms.
Parsed 16 properties from file /home/mcc/execution/CTLCardinality.xml in 12 ms.
FORMULA Kanban-PT-00100-CTLCardinality-05 TRUE TECHNIQUES TOPOLOGICAL INITIAL_STATE
Support contains 16 out of 16 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 16/16 places, 16/16 transitions.
Applied a total of 0 rules in 8 ms. Remains 16 /16 variables (removed 0) and now considering 16/16 (removed 0) transitions.
// Phase 1: matrix 16 rows 16 cols
[2023-03-22 06:31:41] [INFO ] Computed 5 place invariants in 6 ms
[2023-03-22 06:31:42] [INFO ] Implicit Places using invariants in 331 ms returned []
[2023-03-22 06:31:42] [INFO ] Invariant cache hit.
[2023-03-22 06:31:42] [INFO ] Implicit Places using invariants and state equation in 60 ms returned []
Implicit Place search using SMT with State Equation took 415 ms to find 0 implicit places.
[2023-03-22 06:31:42] [INFO ] Invariant cache hit.
[2023-03-22 06:31:42] [INFO ] Dead Transitions using invariants and state equation in 40 ms found 0 transitions.
Finished structural reductions in LTL mode , in 1 iterations and 467 ms. Remains : 16/16 places, 16/16 transitions.
Support contains 16 out of 16 places after structural reductions.
[2023-03-22 06:31:42] [INFO ] Flatten gal took : 13 ms
[2023-03-22 06:31:42] [INFO ] Flatten gal took : 4 ms
[2023-03-22 06:31:42] [INFO ] Input system was already deterministic with 16 transitions.
Incomplete random walk after 10009 steps, including 2 resets, run finished after 38 ms. (steps per millisecond=263 ) properties (out of 82) seen :81
Incomplete Best-First random walk after 10001 steps, including 2 resets, run finished after 17 ms. (steps per millisecond=588 ) properties (out of 1) seen :0
Running SMT prover for 1 properties.
[2023-03-22 06:31:42] [INFO ] Invariant cache hit.
[2023-03-22 06:31:42] [INFO ] After 27ms SMT Verify possible using all constraints in real domain returned unsat :0 sat :0 real:1
[2023-03-22 06:31:42] [INFO ] [Nat]Absence check using 4 positive place invariants in 1 ms returned sat
[2023-03-22 06:31:42] [INFO ] [Nat]Absence check using 4 positive and 1 generalized place invariants in 4 ms returned sat
[2023-03-22 06:31:42] [INFO ] After 37ms SMT Verify possible using all constraints in natural domain returned unsat :1 sat :0
Fused 1 Parikh solutions to 0 different solutions.
Parikh walk visited 0 properties in 0 ms.
Successfully simplified 1 atomic propositions for a total of 15 simplifications.
[2023-03-22 06:31:42] [INFO ] Flatten gal took : 3 ms
[2023-03-22 06:31:42] [INFO ] Flatten gal took : 3 ms
[2023-03-22 06:31:42] [INFO ] Input system was already deterministic with 16 transitions.
Computed a total of 0 stabilizing places and 0 stable transitions
Starting structural reductions in LTL mode, iteration 0 : 16/16 places, 16/16 transitions.
Applied a total of 0 rules in 1 ms. Remains 16 /16 variables (removed 0) and now considering 16/16 (removed 0) transitions.
Finished structural reductions in LTL mode , in 1 iterations and 1 ms. Remains : 16/16 places, 16/16 transitions.
[2023-03-22 06:31:42] [INFO ] Flatten gal took : 1 ms
[2023-03-22 06:31:42] [INFO ] Flatten gal took : 1 ms
[2023-03-22 06:31:42] [INFO ] Input system was already deterministic with 16 transitions.
Starting structural reductions in SI_CTL mode, iteration 0 : 16/16 places, 16/16 transitions.
Graph (trivial) has 6 edges and 16 vertex of which 4 / 16 are part of one of the 2 SCC in 2 ms
Free SCC test removed 2 places
Ensure Unique test removed 2 transitions
Reduce isomorphic transitions removed 2 transitions.
Applied a total of 1 rules in 6 ms. Remains 14 /16 variables (removed 2) and now considering 14/16 (removed 2) transitions.
Finished structural reductions in SI_CTL mode , in 1 iterations and 6 ms. Remains : 14/16 places, 14/16 transitions.
[2023-03-22 06:31:42] [INFO ] Flatten gal took : 1 ms
[2023-03-22 06:31:42] [INFO ] Flatten gal took : 1 ms
[2023-03-22 06:31:42] [INFO ] Input system was already deterministic with 14 transitions.
Finished random walk after 404 steps, including 0 resets, run visited all 1 properties in 2 ms. (steps per millisecond=202 )
FORMULA Kanban-PT-00100-CTLCardinality-01 FALSE TECHNIQUES TOPOLOGICAL RANDOM_WALK
Starting structural reductions in LTL mode, iteration 0 : 16/16 places, 16/16 transitions.
Applied a total of 0 rules in 0 ms. Remains 16 /16 variables (removed 0) and now considering 16/16 (removed 0) transitions.
Finished structural reductions in LTL mode , in 1 iterations and 0 ms. Remains : 16/16 places, 16/16 transitions.
[2023-03-22 06:31:42] [INFO ] Flatten gal took : 1 ms
[2023-03-22 06:31:42] [INFO ] Flatten gal took : 2 ms
[2023-03-22 06:31:42] [INFO ] Input system was already deterministic with 16 transitions.
Starting structural reductions in LTL mode, iteration 0 : 16/16 places, 16/16 transitions.
Ensure Unique test removed 1 places
Iterating post reduction 0 with 1 rules applied. Total rules applied 1 place count 15 transition count 16
Applied a total of 1 rules in 0 ms. Remains 15 /16 variables (removed 1) and now considering 16/16 (removed 0) transitions.
Finished structural reductions in LTL mode , in 1 iterations and 1 ms. Remains : 15/16 places, 16/16 transitions.
[2023-03-22 06:31:42] [INFO ] Flatten gal took : 1 ms
[2023-03-22 06:31:42] [INFO ] Flatten gal took : 1 ms
[2023-03-22 06:31:42] [INFO ] Input system was already deterministic with 16 transitions.
Starting structural reductions in SI_CTL mode, iteration 0 : 16/16 places, 16/16 transitions.
Performed 1 Post agglomeration using F-continuation condition.Transition count delta: 1
Iterating post reduction 0 with 1 rules applied. Total rules applied 1 place count 16 transition count 15
Reduce places removed 1 places and 0 transitions.
Iterating post reduction 1 with 1 rules applied. Total rules applied 2 place count 15 transition count 15
Discarding 1 places :
Symmetric choice reduction at 2 with 1 rule applications. Total rules 3 place count 14 transition count 14
Iterating global reduction 2 with 1 rules applied. Total rules applied 4 place count 14 transition count 14
Applied a total of 4 rules in 4 ms. Remains 14 /16 variables (removed 2) and now considering 14/16 (removed 2) transitions.
Finished structural reductions in SI_CTL mode , in 1 iterations and 4 ms. Remains : 14/16 places, 14/16 transitions.
[2023-03-22 06:31:42] [INFO ] Flatten gal took : 1 ms
[2023-03-22 06:31:42] [INFO ] Flatten gal took : 1 ms
[2023-03-22 06:31:42] [INFO ] Input system was already deterministic with 14 transitions.
Starting structural reductions in LTL mode, iteration 0 : 16/16 places, 16/16 transitions.
Ensure Unique test removed 1 places
Iterating post reduction 0 with 1 rules applied. Total rules applied 1 place count 15 transition count 16
Discarding 1 places :
Symmetric choice reduction at 1 with 1 rule applications. Total rules 2 place count 14 transition count 15
Iterating global reduction 1 with 1 rules applied. Total rules applied 3 place count 14 transition count 15
Applied a total of 3 rules in 1 ms. Remains 14 /16 variables (removed 2) and now considering 15/16 (removed 1) transitions.
Finished structural reductions in LTL mode , in 1 iterations and 1 ms. Remains : 14/16 places, 15/16 transitions.
[2023-03-22 06:31:42] [INFO ] Flatten gal took : 1 ms
[2023-03-22 06:31:42] [INFO ] Flatten gal took : 0 ms
[2023-03-22 06:31:42] [INFO ] Input system was already deterministic with 15 transitions.
Starting structural reductions in LTL mode, iteration 0 : 16/16 places, 16/16 transitions.
Discarding 1 places :
Symmetric choice reduction at 0 with 1 rule applications. Total rules 1 place count 15 transition count 15
Iterating global reduction 0 with 1 rules applied. Total rules applied 2 place count 15 transition count 15
Applied a total of 2 rules in 1 ms. Remains 15 /16 variables (removed 1) and now considering 15/16 (removed 1) transitions.
Finished structural reductions in LTL mode , in 1 iterations and 1 ms. Remains : 15/16 places, 15/16 transitions.
[2023-03-22 06:31:42] [INFO ] Flatten gal took : 1 ms
[2023-03-22 06:31:42] [INFO ] Flatten gal took : 1 ms
[2023-03-22 06:31:42] [INFO ] Input system was already deterministic with 15 transitions.
Starting structural reductions in LTL mode, iteration 0 : 16/16 places, 16/16 transitions.
Ensure Unique test removed 1 places
Iterating post reduction 0 with 1 rules applied. Total rules applied 1 place count 15 transition count 16
Applied a total of 1 rules in 0 ms. Remains 15 /16 variables (removed 1) and now considering 16/16 (removed 0) transitions.
Finished structural reductions in LTL mode , in 1 iterations and 0 ms. Remains : 15/16 places, 16/16 transitions.
[2023-03-22 06:31:42] [INFO ] Flatten gal took : 2 ms
[2023-03-22 06:31:42] [INFO ] Flatten gal took : 1 ms
[2023-03-22 06:31:42] [INFO ] Input system was already deterministic with 16 transitions.
Starting structural reductions in LTL mode, iteration 0 : 16/16 places, 16/16 transitions.
Applied a total of 0 rules in 0 ms. Remains 16 /16 variables (removed 0) and now considering 16/16 (removed 0) transitions.
Finished structural reductions in LTL mode , in 1 iterations and 0 ms. Remains : 16/16 places, 16/16 transitions.
[2023-03-22 06:31:42] [INFO ] Flatten gal took : 1 ms
[2023-03-22 06:31:42] [INFO ] Flatten gal took : 1 ms
[2023-03-22 06:31:42] [INFO ] Input system was already deterministic with 16 transitions.
Starting structural reductions in SI_CTL mode, iteration 0 : 16/16 places, 16/16 transitions.
Graph (trivial) has 12 edges and 16 vertex of which 8 / 16 are part of one of the 4 SCC in 0 ms
Free SCC test removed 4 places
Ensure Unique test removed 4 transitions
Reduce isomorphic transitions removed 4 transitions.
Ensure Unique test removed 1 places
Performed 1 Post agglomeration using F-continuation condition.Transition count delta: 1
Deduced a syphon composed of 1 places in 0 ms
Reduce places removed 1 places and 0 transitions.
Iterating global reduction 0 with 2 rules applied. Total rules applied 3 place count 10 transition count 11
Applied a total of 3 rules in 3 ms. Remains 10 /16 variables (removed 6) and now considering 11/16 (removed 5) transitions.
Finished structural reductions in SI_CTL mode , in 1 iterations and 3 ms. Remains : 10/16 places, 11/16 transitions.
[2023-03-22 06:31:42] [INFO ] Flatten gal took : 0 ms
[2023-03-22 06:31:42] [INFO ] Flatten gal took : 0 ms
[2023-03-22 06:31:42] [INFO ] Input system was already deterministic with 11 transitions.
Starting structural reductions in SI_CTL mode, iteration 0 : 16/16 places, 16/16 transitions.
Graph (trivial) has 12 edges and 16 vertex of which 8 / 16 are part of one of the 4 SCC in 0 ms
Free SCC test removed 4 places
Ensure Unique test removed 4 transitions
Reduce isomorphic transitions removed 4 transitions.
Ensure Unique test removed 1 places
Drop transitions removed 1 transitions
Trivial Post-agglo rules discarded 1 transitions
Performed 1 trivial Post agglomeration. Transition count delta: 1
Iterating post reduction 0 with 1 rules applied. Total rules applied 2 place count 11 transition count 11
Reduce places removed 1 places and 0 transitions.
Iterating post reduction 1 with 1 rules applied. Total rules applied 3 place count 10 transition count 11
Performed 1 Post agglomeration using F-continuation condition.Transition count delta: 1
Deduced a syphon composed of 1 places in 0 ms
Reduce places removed 1 places and 0 transitions.
Iterating global reduction 2 with 2 rules applied. Total rules applied 5 place count 9 transition count 10
Applied a total of 5 rules in 2 ms. Remains 9 /16 variables (removed 7) and now considering 10/16 (removed 6) transitions.
Finished structural reductions in SI_CTL mode , in 1 iterations and 2 ms. Remains : 9/16 places, 10/16 transitions.
[2023-03-22 06:31:42] [INFO ] Flatten gal took : 1 ms
[2023-03-22 06:31:42] [INFO ] Flatten gal took : 1 ms
[2023-03-22 06:31:42] [INFO ] Input system was already deterministic with 10 transitions.
Starting structural reductions in LTL mode, iteration 0 : 16/16 places, 16/16 transitions.
Ensure Unique test removed 1 places
Iterating post reduction 0 with 1 rules applied. Total rules applied 1 place count 15 transition count 16
Discarding 1 places :
Symmetric choice reduction at 1 with 1 rule applications. Total rules 2 place count 14 transition count 15
Iterating global reduction 1 with 1 rules applied. Total rules applied 3 place count 14 transition count 15
Applied a total of 3 rules in 1 ms. Remains 14 /16 variables (removed 2) and now considering 15/16 (removed 1) transitions.
Finished structural reductions in LTL mode , in 1 iterations and 1 ms. Remains : 14/16 places, 15/16 transitions.
[2023-03-22 06:31:42] [INFO ] Flatten gal took : 1 ms
[2023-03-22 06:31:42] [INFO ] Flatten gal took : 1 ms
[2023-03-22 06:31:42] [INFO ] Input system was already deterministic with 15 transitions.
Starting structural reductions in LTL mode, iteration 0 : 16/16 places, 16/16 transitions.
Ensure Unique test removed 1 places
Iterating post reduction 0 with 1 rules applied. Total rules applied 1 place count 15 transition count 16
Applied a total of 1 rules in 0 ms. Remains 15 /16 variables (removed 1) and now considering 16/16 (removed 0) transitions.
Finished structural reductions in LTL mode , in 1 iterations and 0 ms. Remains : 15/16 places, 16/16 transitions.
[2023-03-22 06:31:42] [INFO ] Flatten gal took : 1 ms
[2023-03-22 06:31:42] [INFO ] Flatten gal took : 1 ms
[2023-03-22 06:31:42] [INFO ] Input system was already deterministic with 16 transitions.
Starting structural reductions in LTL mode, iteration 0 : 16/16 places, 16/16 transitions.
Ensure Unique test removed 1 places
Iterating post reduction 0 with 1 rules applied. Total rules applied 1 place count 15 transition count 16
Discarding 1 places :
Symmetric choice reduction at 1 with 1 rule applications. Total rules 2 place count 14 transition count 15
Iterating global reduction 1 with 1 rules applied. Total rules applied 3 place count 14 transition count 15
Applied a total of 3 rules in 0 ms. Remains 14 /16 variables (removed 2) and now considering 15/16 (removed 1) transitions.
Finished structural reductions in LTL mode , in 1 iterations and 0 ms. Remains : 14/16 places, 15/16 transitions.
[2023-03-22 06:31:42] [INFO ] Flatten gal took : 1 ms
[2023-03-22 06:31:42] [INFO ] Flatten gal took : 1 ms
[2023-03-22 06:31:42] [INFO ] Input system was already deterministic with 15 transitions.
Starting structural reductions in LTL mode, iteration 0 : 16/16 places, 16/16 transitions.
Ensure Unique test removed 1 places
Iterating post reduction 0 with 1 rules applied. Total rules applied 1 place count 15 transition count 16
Discarding 1 places :
Symmetric choice reduction at 1 with 1 rule applications. Total rules 2 place count 14 transition count 15
Iterating global reduction 1 with 1 rules applied. Total rules applied 3 place count 14 transition count 15
Applied a total of 3 rules in 1 ms. Remains 14 /16 variables (removed 2) and now considering 15/16 (removed 1) transitions.
Finished structural reductions in LTL mode , in 1 iterations and 1 ms. Remains : 14/16 places, 15/16 transitions.
[2023-03-22 06:31:42] [INFO ] Flatten gal took : 0 ms
[2023-03-22 06:31:42] [INFO ] Flatten gal took : 0 ms
[2023-03-22 06:31:42] [INFO ] Input system was already deterministic with 15 transitions.
[2023-03-22 06:31:42] [INFO ] Flatten gal took : 2 ms
[2023-03-22 06:31:42] [INFO ] Flatten gal took : 1 ms
[2023-03-22 06:31:42] [INFO ] Export to MCC of 14 properties in file /home/mcc/execution/CTLCardinality.sr.xml took 2 ms.
[2023-03-22 06:31:42] [INFO ] Export to PNML in file /home/mcc/execution/model.sr.pnml of net with 16 places, 16 transitions and 40 arcs took 0 ms.
Total runtime 1105 ms.
There are residual formulas that ITS could not solve within timeout
timeout --kill-after=10s --signal=SIGINT 1m for testing only
Marcie built on Linux at 2019-11-18.
A model checker for Generalized Stochastic Petri nets
authors: Alex Tovchigrechko (IDD package and CTL model checking)
Martin Schwarick (Symbolic numerical analysis and CSL model checking)
Christian Rohr (Simulative and approximative numerical model checking)
marcie@informatik.tu-cottbus.de
called as: /home/mcc/BenchKit/bin//../reducer/bin//../../marcie/bin/marcie --net-file=model.pnml --mcc-file=CTLCardinality.xml --memory=6 --mcc-mode
parse successfull
net created successfully
Net: Petri
(NrP: 16 NrTr: 16 NrArc: 40)
parse formulas
formulas created successfully
place and transition orderings generation:0m 0.000sec
net check time: 0m 0.000sec
init dd package: 0m 2.742sec
RS generation: 0m 1.462sec
-> reachability set: #nodes 11416 (1.1e+04) #states 17,263,002,294,682,342,171 (19)
starting MCC model checker
--------------------------
checking: AX [EF [~ [p1<=31]]]
normalized: ~ [EX [~ [E [true U ~ [p1<=31]]]]]
abstracting: (p1<=31)
states: 10,717,184,850,121,612,192 (19)
.-> the formula is TRUE
FORMULA Kanban-PT-00100-CTLCardinality-12 TRUE TECHNIQUES SEQUENTIAL_PROCESSING DECISION_DIAGRAMS UNFOLDING_TO_PT
MC time: 0m 1.854sec
checking: EX [EF [55<=p14]]
normalized: EX [E [true U 55<=p14]]
abstracting: (55<=p14)
states: 2,225,351,464,013,355,420 (18)
.-> the formula is TRUE
FORMULA Kanban-PT-00100-CTLCardinality-14 TRUE TECHNIQUES SEQUENTIAL_PROCESSING DECISION_DIAGRAMS UNFOLDING_TO_PT
MC time: 0m 1.756sec
checking: E [~ [p9<=17] U p9<=p10]
normalized: E [~ [p9<=17] U p9<=p10]
abstracting: (p9<=p10)
states: 8,758,447,189,400,500,046 (18)
abstracting: (p9<=17)
states: 7,621,740,799,718,927,001 (18)
-> the formula is TRUE
FORMULA Kanban-PT-00100-CTLCardinality-10 TRUE TECHNIQUES SEQUENTIAL_PROCESSING DECISION_DIAGRAMS UNFOLDING_TO_PT
MC time: 0m 0.892sec
checking: ~ [E [p14<=p7 U EF [AG [p7<=41]]]]
normalized: ~ [E [p14<=p7 U E [true U ~ [E [true U ~ [p7<=41]]]]]]
abstracting: (p7<=41)
states: 13,749,901,138,423,019,381 (19)
abstracting: (p14<=p7)
states: 8,106,821,143,746,622,531 (18)
-> the formula is TRUE
FORMULA Kanban-PT-00100-CTLCardinality-11 TRUE TECHNIQUES SEQUENTIAL_PROCESSING DECISION_DIAGRAMS UNFOLDING_TO_PT
MC time: 0m 3.089sec
checking: AG [[EX [~ [30<=p15]] & [EG [~ [p13<=p1]] & AF [p12<=72]]]]
normalized: ~ [E [true U ~ [[[~ [EG [~ [p12<=72]]] & EG [~ [p13<=p1]]] & EX [~ [30<=p15]]]]]]
abstracting: (30<=p15)
states: 7,051,564,870,415,560,500 (18)
.abstracting: (p13<=p1)
states: 11,298,247,988,617,994,391 (19)
......................................................................................................
EG iterations: 102
abstracting: (p12<=72)
states: 16,691,032,358,176,086,310 (19)
.
EG iterations: 1
-> the formula is FALSE
FORMULA Kanban-PT-00100-CTLCardinality-15 FALSE TECHNIQUES SEQUENTIAL_PROCESSING DECISION_DIAGRAMS UNFOLDING_TO_PT
MC time: 0m 1.296sec
checking: AG [~ [A [[AF [99<=p7] | [AX [23<=p10] | ~ [[2<=p8 | E [1<=p14 U p9<=p11]]]]] U ~ [EG [70<=p0]]]]]
normalized: ~ [E [true U [~ [EG [EG [70<=p0]]] & ~ [E [EG [70<=p0] U [~ [[[~ [EX [~ [23<=p10]]] | ~ [[2<=p8 | E [1<=p14 U p9<=p11]]]] | ~ [EG [~ [99<=p7]]]]] & EG [70<=p0]]]]]]]
abstracting: (70<=p0)
states: 52,387,512,426,465,392 (16)
.
EG iterations: 1
abstracting: (99<=p7)
states: 390,453,032,093,284 (14)
.
EG iterations: 1
abstracting: (p9<=p11)
states: 8,758,447,189,400,500,046 (18)
abstracting: (1<=p14)
states: 16,842,627,999,778,190,295 (19)
abstracting: (2<=p8)
states: 16,267,249,449,586,444,650 (19)
abstracting: (23<=p10)
states: 8,019,905,279,196,053,360 (18)
.abstracting: (70<=p0)
states: 52,387,512,426,465,392 (16)
.
EG iterations: 1
abstracting: (70<=p0)
states: 52,387,512,426,465,392 (16)
.
EG iterations: 1
.
EG iterations: 1
-> the formula is FALSE
FORMULA Kanban-PT-00100-CTLCardinality-06 FALSE TECHNIQUES SEQUENTIAL_PROCESSING DECISION_DIAGRAMS UNFOLDING_TO_PT
MC time: 0m11.792sec
checking: ~ [E [~ [EG [AX [AX [p3<=p14]]]] U [AX [EF [~ [p11<=27]]] & AX [[[A [p6<=25 U 94<=p4] | EF [62<=p10]] | [51<=p0 | 74<=p6]]]]]]
normalized: ~ [E [~ [EG [~ [EX [EX [~ [p3<=p14]]]]]] U [~ [EX [~ [[[[~ [EG [~ [94<=p4]]] & ~ [E [~ [94<=p4] U [~ [p6<=25] & ~ [94<=p4]]]]] | E [true U 62<=p10]] | [51<=p0 | 74<=p6]]]]] & ~ [EX [~ [E [true U ~ [p11<=27]]]]]]]]
abstracting: (p11<=27)
states: 10,671,667,046,657,591,646 (19)
.abstracting: (74<=p6)
states: 356,678,844,817,214,934 (17)
abstracting: (51<=p0)
states: 539,209,569,723,242,210 (17)
abstracting: (62<=p10)
states: 1,040,557,330,528,601,860 (18)
abstracting: (94<=p4)
states: 8,199,513,673,958,964 (15)
abstracting: (p6<=25)
states: 10,122,592,470,276,411,021 (19)
abstracting: (94<=p4)
states: 8,199,513,673,958,964 (15)
abstracting: (94<=p4)
states: 8,199,513,673,958,964 (15)
.
EG iterations: 1
.abstracting: (p3<=p14)
states: 8,772,547,785,762,958,886 (18)
........................................................................................................
EG iterations: 102
-> the formula is FALSE
FORMULA Kanban-PT-00100-CTLCardinality-03 FALSE TECHNIQUES SEQUENTIAL_PROCESSING DECISION_DIAGRAMS UNFOLDING_TO_PT
MC time: 0m 4.999sec
checking: [AG [E [~ [[EG [p13<=p4] | E [p15<=96 U p8<=27]]] U 39<=p4]] | AX [[~ [p14<=p5] & ~ [88<=p13]]]]
normalized: [~ [EX [~ [[~ [88<=p13] & ~ [p14<=p5]]]]] | ~ [E [true U ~ [E [~ [[E [p15<=96 U p8<=27] | EG [p13<=p4]]] U 39<=p4]]]]]
abstracting: (39<=p4)
states: 4,066,958,782,283,646,144 (18)
abstracting: (p13<=p4)
states: 10,970,016,762,305,884,816 (19)
......................................................................................................
EG iterations: 102
abstracting: (p8<=27)
states: 10,671,667,046,657,591,646 (19)
abstracting: (p15<=96)
states: 17,259,827,408,608,902,460 (19)
abstracting: (p14<=p5)
states: 8,106,821,143,746,622,531 (18)
abstracting: (88<=p13)
states: 833,919,352,347,263 (14)
.-> the formula is FALSE
FORMULA Kanban-PT-00100-CTLCardinality-08 FALSE TECHNIQUES SEQUENTIAL_PROCESSING DECISION_DIAGRAMS UNFOLDING_TO_PT
MC time: 0m15.472sec
checking: AX [[[AF [~ [27<=p3]] & [AG [p3<=46] & EX [0<=0]]] & [EF [47<=p0] & [E [A [AF [p3<=p13] U [66<=p13 | p14<=p10]] U ~ [AF [57<=p12]]] & EX [EX [~ [35<=p15]]]]]]]
normalized: ~ [EX [~ [[[[EX [EX [~ [35<=p15]]] & E [[~ [EG [~ [[66<=p13 | p14<=p10]]]] & ~ [E [~ [[66<=p13 | p14<=p10]] U [EG [~ [p3<=p13]] & ~ [[66<=p13 | p14<=p10]]]]]] U EG [~ [57<=p12]]]] & E [true U 47<=p0]] & [[EX [0<=0] & ~ [E [true U ~ [p3<=46]]]] & ~ [EG [27<=p3]]]]]]]
abstracting: (27<=p3)
states: 7,850,647,611,660,482,665 (18)
.
EG iterations: 1
abstracting: (p3<=46)
states: 13,837,960,870,223,087,725 (19)
abstracting: (0<=0)
states: 17,263,002,294,682,342,171 (19)
.abstracting: (47<=p0)
states: 786,609,480,809,477,556 (17)
abstracting: (57<=p12)
states: 1,972,946,566,828,055,049 (18)
.
EG iterations: 1
abstracting: (p14<=p10)
states: 8,106,821,143,746,622,531 (18)
abstracting: (66<=p13)
states: 94,436,276,439,375,822 (16)
abstracting: (p3<=p13)
states: 6,264,473,328,360,996,931 (18)
.
EG iterations: 1
abstracting: (p14<=p10)
states: 8,106,821,143,746,622,531 (18)
abstracting: (66<=p13)
states: 94,436,276,439,375,822 (16)
abstracting: (p14<=p10)
states: 8,106,821,143,746,622,531 (18)
abstracting: (66<=p13)
states: 94,436,276,439,375,822 (16)
.
EG iterations: 1
abstracting: (35<=p15)
states: 5,827,356,967,911,554,559 (18)
...-> the formula is FALSE
FORMULA Kanban-PT-00100-CTLCardinality-07 FALSE TECHNIQUES SEQUENTIAL_PROCESSING DECISION_DIAGRAMS UNFOLDING_TO_PT
MC time: 0m 3.264sec
checking: EF [[E [AG [p3<=85] U 97<=p5] | [AX [[~ [44<=p0] & ~ [86<=p12]]] & [~ [p11<=p1] & [~ [A [p12<=22 U 27<=p0]] | [45<=p1 | [~ [p13<=p6] & ~ [p0<=76]]]]]]]]
normalized: E [true U [[[[[45<=p1 | [~ [p0<=76] & ~ [p13<=p6]]] | ~ [[~ [EG [~ [27<=p0]]] & ~ [E [~ [27<=p0] U [~ [p12<=22] & ~ [27<=p0]]]]]]] & ~ [p11<=p1]] & ~ [EX [~ [[~ [86<=p12] & ~ [44<=p0]]]]]] | E [~ [E [true U ~ [p3<=85]]] U 97<=p5]]]
abstracting: (97<=p5)
states: 1,952,265,160,466,420 (15)
abstracting: (p3<=85)
states: 17,160,776,161,234,688,083 (19)
abstracting: (44<=p0)
states: 1,025,911,307,185,473,781 (18)
abstracting: (86<=p12)
states: 102,226,133,447,654,088 (17)
.abstracting: (p11<=p1)
states: 9,442,299,684,526,363,941 (18)
abstracting: (27<=p0)
states: 3,709,903,996,626,495,190 (18)
abstracting: (p12<=22)
states: 8,270,866,588,577,020,375 (18)
abstracting: (27<=p0)
states: 3,709,903,996,626,495,190 (18)
abstracting: (27<=p0)
states: 3,709,903,996,626,495,190 (18)
.
EG iterations: 1
abstracting: (p13<=p6)
states: 10,970,016,762,305,884,816 (19)
abstracting: (p0<=76)
states: 17,247,771,373,697,979,191 (19)
abstracting: (45<=p1)
states: 3,774,111,439,354,842,502 (18)
before gc: list nodes free: 715171
after gc: idd nodes used:2821083, unused:61178917; list nodes free:778288953
MC time: 11m53.340sec
checking: AG [A [[A [~ [p12<=p3] U ~ [[p15<=63 | p11<=p0]]] & [AF [~ [p13<=p8]] | [~ [E [5<=p2 U p2<=p13]] | 44<=p5]]] U ~ [AG [35<=p7]]]]
normalized: ~ [E [true U ~ [[~ [EG [~ [E [true U ~ [35<=p7]]]]] & ~ [E [~ [E [true U ~ [35<=p7]]] U [~ [[[[44<=p5 | ~ [E [5<=p2 U p2<=p13]]] | ~ [EG [p13<=p8]]] & [~ [EG [[p15<=63 | p11<=p0]]] & ~ [E [[p15<=63 | p11<=p0] U [p12<=p3 & [p15<=63 | p11<=p0]]]]]]] & ~ [E [true U ~ [35<=p7]]]]]]]]]]
abstracting: (35<=p7)
states: 4,891,986,039,096,755,236 (18)
abstracting: (p11<=p0)
states: 6,655,648,998,815,905,036 (18)
abstracting: (p15<=63)
states: 16,032,487,405,977,299,776 (19)
abstracting: (p12<=p3)
states: 8,772,547,785,762,958,886 (18)
abstracting: (p11<=p0)
states: 6,655,648,998,815,905,036 (18)
abstracting: (p15<=63)
states: 16,032,487,405,977,299,776 (19)
abstracting: (p11<=p0)
states: 6,655,648,998,815,905,036 (18)
abstracting: (p15<=63)
states: 16,032,487,405,977,299,776 (19)
.
EG iterations: 1
abstracting: (p13<=p8)
states: 10,970,016,762,305,884,816 (19)
.
EG iterations: 1
abstracting: (p2<=p13)
states: 6,264,473,328,360,996,931 (18)
abstracting: (5<=p2)
states: 15,216,442,570,584,013,080 (19)
abstracting: (44<=p5)
states: 3,173,309,405,080,142,389 (18)
abstracting: (35<=p7)
states: 4,891,986,039,096,755,236 (18)
abstracting: (35<=p7)
states: 4,891,986,039,096,755,236 (18)
.
EG iterations: 1
-> the formula is TRUE
FORMULA Kanban-PT-00100-CTLCardinality-04 TRUE TECHNIQUES SEQUENTIAL_PROCESSING DECISION_DIAGRAMS UNFOLDING_TO_PT
MC time: 0m45.075sec
checking: [EG [p8<=53] & [AG [~ [E [AG [p15<=p8] U ~ [[p0<=9 | p10<=6]]]]] & [EX [~ [31<=p9]] | [AG [~ [p0<=0]] | AG [[[[A [92<=p11 U p6<=p7] | EF [73<=p5]] & [~ [50<=p14] & p8<=p12]] | [[AF [44<=p4] & ~ [89<=p9]] | EX [EG [86<=p0]]]]]]]]]
normalized: [[[[~ [E [true U ~ [[[EX [EG [86<=p0]] | [~ [89<=p9] & ~ [EG [~ [44<=p4]]]]] | [[p8<=p12 & ~ [50<=p14]] & [E [true U 73<=p5] | [~ [EG [~ [p6<=p7]]] & ~ [E [~ [p6<=p7] U [~ [92<=p11] & ~ [p6<=p7]]]]]]]]]]] | ~ [E [true U p0<=0]]] | EX [~ [31<=p9]]] & ~ [E [true U E [~ [E [true U ~ [p15<=p8]]] U ~ [[p0<=9 | p10<=6]]]]]] & EG [p8<=53]]
abstracting: (p8<=53)
states: 15,464,575,628,860,676,067 (19)
.
EG iterations: 1
abstracting: (p10<=6)
states: 3,316,019,988,310,237,691 (18)
abstracting: (p0<=9)
states: 6,958,223,857,892,467,497 (18)
abstracting: (p15<=p8)
states: 8,106,821,143,746,622,531 (18)
abstracting: (31<=p9)
states: 5,821,654,708,510,864,440 (18)
.abstracting: (p0<=0)
states: 829,847,212,462,169,001 (17)
abstracting: (p6<=p7)
states: 8,758,447,189,400,500,046 (18)
abstracting: (92<=p11)
states: 16,106,187,573,847,965 (16)
abstracting: (p6<=p7)
states: 8,758,447,189,400,500,046 (18)
abstracting: (p6<=p7)
states: 8,758,447,189,400,500,046 (18)
.
EG iterations: 1
abstracting: (73<=p5)
states: 396,309,827,574,683,260 (17)
abstracting: (50<=p14)
states: 2,938,771,643,647,634,886 (18)
abstracting: (p8<=p12)
states: 9,442,299,684,526,363,941 (18)
abstracting: (44<=p4)
states: 3,173,309,405,080,142,389 (18)
.
EG iterations: 1
abstracting: (89<=p9)
states: 35,531,225,920,488,844 (16)
abstracting: (86<=p0)
states: 1,629,118,674,757,688 (15)
.
EG iterations: 1
.-> the formula is FALSE
FORMULA Kanban-PT-00100-CTLCardinality-13 FALSE TECHNIQUES SEQUENTIAL_PROCESSING DECISION_DIAGRAMS UNFOLDING_TO_PT
MC time: 0m59.879sec
checking: AG [[[EF [p1<=p13] | AX [[p0<=p4 | AF [p13<=19]]]] | [E [[~ [20<=p14] | EX [p0<=97]] U [AF [81<=p14] | p4<=38]] | [EG [~ [p14<=p13]] | [p2<=p10 & [[44<=p11 | ~ [27<=p14]] | [p9<=p2 | [EX [p12<=39] & [56<=p8 & p8<=p0]]]]]]]]]
normalized: ~ [E [true U ~ [[[[[p2<=p10 & [[p9<=p2 | [[56<=p8 & p8<=p0] & EX [p12<=39]]] | [44<=p11 | ~ [27<=p14]]]] | EG [~ [p14<=p13]]] | E [[EX [p0<=97] | ~ [20<=p14]] U [p4<=38 | ~ [EG [~ [81<=p14]]]]]] | [~ [EX [~ [[p0<=p4 | ~ [EG [~ [p13<=19]]]]]]] | E [true U p1<=p13]]]]]]
abstracting: (p1<=p13)
states: 6,264,473,328,360,996,931 (18)
abstracting: (p13<=19)
states: 11,466,758,403,362,570,794 (19)
.
EG iterations: 1
abstracting: (p0<=p4)
states: 10,970,016,762,305,884,816 (19)
.abstracting: (81<=p14)
states: 225,816,559,471,515,859 (17)
.
EG iterations: 1
abstracting: (p4<=38)
states: 13,196,043,512,398,696,027 (19)
abstracting: (20<=p14)
states: 9,905,628,504,402,207,207 (18)
abstracting: (p0<=97)
states: 17,263,000,855,973,636,925 (19)
TIME LIMIT: Killed by timeout after 3600 seconds
MemTotal: 16393216 kB
MemFree: 189420 kB
After kill :
MemTotal: 16393216 kB
MemFree: 16184428 kB
BK_TIME_CONFINEMENT_REACHED
--------------------
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 CTLCardinality -timeout 360 -rebuildPNML
check for maximal unmarked siphon
ok
check for constant places
ok
check if there are places and transitions
ok
check if there are transitions without pre-places
ok
check if at least one transition is enabled in m0
ok
check if there are transitions that can never fire
ok
initing FirstDep: 0m 0.000sec
iterations count:7116 (444), effective:2200 (137)
initing FirstDep: 0m 0.000sec
iterations count:2488 (155), effective:689 (43)
iterations count:1226 (76), effective:330 (20)
iterations count:2874 (179), effective:781 (48)
iterations count:394 (24), effective:126 (7)
iterations count:1716 (107), effective:550 (34)
iterations count:3294 (205), effective:894 (55)
iterations count:200 (12), effective:107 (6)
iterations count:481 (30), effective:124 (7)
iterations count:1052 (65), effective:308 (19)
iterations count:2496 (156), effective:682 (42)
iterations count:1621 (101), effective:460 (28)
iterations count:16 (1), effective:0 (0)
iterations count:235 (14), effective:73 (4)
iterations count:16 (1), effective:0 (0)
iterations count:202 (12), effective:62 (3)
iterations count:909 (56), effective:282 (17)
iterations count:1928 (120), effective:606 (37)
iterations count:456 (28), effective:164 (10)
iterations count:104 (6), effective:44 (2)
iterations count:1650 (103), effective:516 (32)
iterations count:16 (1), effective:0 (0)
iterations count:1043 (65), effective:319 (19)
sat_reach.icc:155: Timeout: after 710 sec
iterations count:3877 (242), effective:1048 (65)
iterations count:416 (26), effective:200 (12)
iterations count:257 (16), effective:139 (8)
iterations count:3877 (242), effective:1048 (65)
iterations count:3877 (242), effective:1048 (65)
iterations count:2035 (127), effective:606 (37)
iterations count:16 (1), effective:0 (0)
iterations count:580 (36), effective:172 (10)
iterations count:1516 (94), effective:400 (25)
iterations count:52 (3), effective:9 (0)
iterations count:4655 (290), effective:1306 (81)
iterations count:1937 (121), effective:577 (36)
iterations count:216 (13), effective:100 (6)
iterations count:202 (12), effective:62 (3)
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="Kanban-PT-00100"
export BK_EXAMINATION="CTLCardinality"
export BK_TOOL="marciexred"
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 marciexred"
echo " Input is Kanban-PT-00100, examination is CTLCardinality"
echo " Time confinement is $BK_TIME_CONFINEMENT seconds"
echo " Memory confinement is 16384 MBytes"
echo " Number of cores is 4"
echo " Run identifier is r234-tall-167856420100265"
echo "====================================================================="
echo
echo "--------------------"
echo "preparation of the directory to be used:"
tar xzf /home/mcc/BenchKit/INPUTS/Kanban-PT-00100.tgz
mv Kanban-PT-00100 execution
cd execution
if [ "CTLCardinality" = "ReachabilityDeadlock" ] || [ "CTLCardinality" = "UpperBounds" ] || [ "CTLCardinality" = "QuasiLiveness" ] || [ "CTLCardinality" = "StableMarking" ] || [ "CTLCardinality" = "Liveness" ] || [ "CTLCardinality" = "OneSafe" ] || [ "CTLCardinality" = "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 [ "CTLCardinality" = "UpperBounds" ] ; then
echo "The expected result is a vector of positive values"
echo NUM_VECTOR
elif [ "CTLCardinality" != "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 "CTLCardinality.txt" ] ; then
echo "here is the order used to build the result vector(from text file)"
for x in $(grep Property CTLCardinality.txt | cut -d ' ' -f 2 | sort -u) ; do
echo "FORMULA_NAME $x"
done
elif [ -f "CTLCardinality.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 '
echo "FORMULA_NAME $x"
done
elif [ "CTLCardinality" = "ReachabilityDeadlock" ] || [ "CTLCardinality" = "QuasiLiveness" ] || [ "CTLCardinality" = "StableMarking" ] || [ "CTLCardinality" = "Liveness" ] || [ "CTLCardinality" = "OneSafe" ] ; then
echo "FORMULA_NAME CTLCardinality"
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 ;