Execution Chart

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

Trace from the execution

Formatting '/mnt/tpsp/fkordon/mcc2020-input.r066-tajo-158922813900118.qcow2', fmt=qcow2 size=4294967296 backing_file='/mnt/tpsp/fkordon/mcc2020-input.qcow2' encryption=off cluster_size=65536 lazy_refcounts=off
Waiting for the VM to be ready (probing ssh)
................................
=====================================================================
Generated by BenchKit 2-4028
Executing tool itstools
Input is DNAwalker-PT-05track28LR, examination is ReachabilityCardinality
Time confinement is 3600 seconds
Memory confinement is 16384 MBytes
Number of cores is 4
Run identifier is r066-tajo-158922813900118
=====================================================================

--------------------
preparation of the directory to be used:
/home/mcc/execution
total 276K
-rw-r--r-- 1 mcc users 3.3K Mar 31 04:56 CTLCardinality.txt
-rw-r--r-- 1 mcc users 19K Mar 31 04:56 CTLCardinality.xml
-rw-r--r-- 1 mcc users 2.6K Mar 29 20:52 CTLFireability.txt
-rw-r--r-- 1 mcc users 16K Mar 29 20:52 CTLFireability.xml
-rw-r--r-- 1 mcc users 4.0K Mar 24 05:37 GenericPropertiesDefinition.xml
-rw-r--r-- 1 mcc users 5.6K Mar 24 05:37 GenericPropertiesVerdict.xml
-rw-r--r-- 1 mcc users 3.3K Apr 8 14:51 LTLCardinality.txt
-rw-r--r-- 1 mcc users 25K Apr 28 14:00 LTLCardinality.xml
-rw-r--r-- 1 mcc users 2.2K Apr 8 14:51 LTLFireability.txt
-rw-r--r-- 1 mcc users 18K Apr 28 14:00 LTLFireability.xml
-rw-r--r-- 1 mcc users 2.8K Mar 28 13:41 ReachabilityCardinality.txt
-rw-r--r-- 1 mcc users 12K Mar 28 13:41 ReachabilityCardinality.xml
-rw-r--r-- 1 mcc users 2.7K Mar 27 06:25 ReachabilityFireability.txt
-rw-r--r-- 1 mcc users 15K Mar 27 06:25 ReachabilityFireability.xml
-rw-r--r-- 1 mcc users 1.7K Mar 28 14:49 UpperBounds.txt
-rw-r--r-- 1 mcc users 3.8K Mar 28 14:49 UpperBounds.xml
-rw-r--r-- 1 mcc users 6 Mar 24 05:37 equiv_col
-rw-r--r-- 1 mcc users 12 Mar 24 05:37 instance
-rw-r--r-- 1 mcc users 6 Mar 24 05:37 iscolored
-rw-r--r-- 1 mcc users 108K Mar 24 05:37 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 DNAwalker-PT-05track28LR-ReachabilityCardinality-00
FORMULA_NAME DNAwalker-PT-05track28LR-ReachabilityCardinality-01
FORMULA_NAME DNAwalker-PT-05track28LR-ReachabilityCardinality-02
FORMULA_NAME DNAwalker-PT-05track28LR-ReachabilityCardinality-03
FORMULA_NAME DNAwalker-PT-05track28LR-ReachabilityCardinality-04
FORMULA_NAME DNAwalker-PT-05track28LR-ReachabilityCardinality-05
FORMULA_NAME DNAwalker-PT-05track28LR-ReachabilityCardinality-06
FORMULA_NAME DNAwalker-PT-05track28LR-ReachabilityCardinality-07
FORMULA_NAME DNAwalker-PT-05track28LR-ReachabilityCardinality-08
FORMULA_NAME DNAwalker-PT-05track28LR-ReachabilityCardinality-09
FORMULA_NAME DNAwalker-PT-05track28LR-ReachabilityCardinality-10
FORMULA_NAME DNAwalker-PT-05track28LR-ReachabilityCardinality-11
FORMULA_NAME DNAwalker-PT-05track28LR-ReachabilityCardinality-12
FORMULA_NAME DNAwalker-PT-05track28LR-ReachabilityCardinality-13
FORMULA_NAME DNAwalker-PT-05track28LR-ReachabilityCardinality-14
FORMULA_NAME DNAwalker-PT-05track28LR-ReachabilityCardinality-15

=== Now, execution of the tool begins

BK_START 1590100855388

[2020-05-21 22:40:57] [INFO ] Running its-tools with arguments : [-pnfolder, /home/mcc/execution, -examination, ReachabilityCardinality, -z3path, /home/mcc/BenchKit//z3/bin/z3, -yices2path, /home/mcc/BenchKit//yices/bin/yices, -its, -ltsminpath, /home/mcc/BenchKit//lts_install_dir/, -greatspnpath, /home/mcc/BenchKit//greatspn/, -order, META, -manyOrder, -smt, -timeout, 3600]
[2020-05-21 22:40:57] [INFO ] Parsing pnml file : /home/mcc/execution/model.pnml
[2020-05-21 22:40:57] [INFO ] Load time of PNML (sax parser for PT used): 55 ms
[2020-05-21 22:40:57] [INFO ] Transformed 34 places.
[2020-05-21 22:40:57] [INFO ] Transformed 250 transitions.
[2020-05-21 22:40:57] [INFO ] Parsed PT model containing 34 places and 250 transitions in 97 ms.
Parsed 16 properties from file /home/mcc/execution/ReachabilityCardinality.xml in 14 ms.
Working with output stream class java.io.PrintStream
FORMULA DNAwalker-PT-05track28LR-ReachabilityCardinality-12 TRUE TECHNIQUES TOPOLOGICAL INITIAL_STATE
Incomplete random walk after 10000 steps, including 643 resets, run finished after 88 ms. (steps per millisecond=113 ) properties seen :[0, 0, 0, 0, 1, 0, 0, 0, 0, 0, 1, 0, 0, 0, 0]
FORMULA DNAwalker-PT-05track28LR-ReachabilityCardinality-10 FALSE TECHNIQUES TOPOLOGICAL RANDOM_WALK
FORMULA DNAwalker-PT-05track28LR-ReachabilityCardinality-04 FALSE TECHNIQUES TOPOLOGICAL RANDOM_WALK
Incomplete Best-First random walk after 10001 steps, including 63 resets, run finished after 26 ms. (steps per millisecond=384 ) properties seen :[0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0]
Incomplete Best-First random walk after 10001 steps, including 60 resets, run finished after 28 ms. (steps per millisecond=357 ) properties seen :[0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0]
Incomplete Best-First random walk after 10000 steps, including 80 resets, run finished after 19 ms. (steps per millisecond=526 ) properties seen :[0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0]
Incomplete Best-First random walk after 10001 steps, including 59 resets, run finished after 20 ms. (steps per millisecond=500 ) properties seen :[0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0]
Incomplete Best-First random walk after 10001 steps, including 62 resets, run finished after 16 ms. (steps per millisecond=625 ) properties seen :[0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0]
Incomplete Best-First random walk after 10001 steps, including 74 resets, run finished after 15 ms. (steps per millisecond=666 ) properties seen :[0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0]
Incomplete Best-First random walk after 10000 steps, including 60 resets, run finished after 10 ms. (steps per millisecond=1000 ) properties seen :[0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0]
Incomplete Best-First random walk after 10001 steps, including 58 resets, run finished after 11 ms. (steps per millisecond=909 ) properties seen :[0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0]
Incomplete Best-First random walk after 10001 steps, including 60 resets, run finished after 12 ms. (steps per millisecond=833 ) properties seen :[0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0]
Incomplete Best-First random walk after 10001 steps, including 61 resets, run finished after 11 ms. (steps per millisecond=909 ) properties seen :[0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0]
Incomplete Best-First random walk after 10001 steps, including 60 resets, run finished after 7 ms. (steps per millisecond=1428 ) properties seen :[0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0]
Incomplete Best-First random walk after 10001 steps, including 61 resets, run finished after 12 ms. (steps per millisecond=833 ) properties seen :[0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0]
Incomplete Best-First random walk after 10001 steps, including 56 resets, run finished after 10 ms. (steps per millisecond=1000 ) properties seen :[0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0]
[2020-05-21 22:40:57] [INFO ] Flow matrix only has 247 transitions (discarded 3 similar events)
// Phase 1: matrix 247 rows 34 cols
[2020-05-21 22:40:57] [INFO ] Computed 0 place invariants in 5 ms
[2020-05-21 22:40:57] [INFO ] [Real]Adding state equation constraints to refine reachable states.
[2020-05-21 22:40:57] [INFO ] [Real]Absence check using state equation in 117 ms returned sat
[2020-05-21 22:40:57] [INFO ] Solution in real domain found non-integer solution.
[2020-05-21 22:40:57] [INFO ] [Nat]Adding state equation constraints to refine reachable states.
[2020-05-21 22:40:57] [INFO ] [Nat]Absence check using state equation in 184 ms returned unsat
[2020-05-21 22:40:57] [INFO ] [Real]Adding state equation constraints to refine reachable states.
[2020-05-21 22:40:58] [INFO ] [Real]Absence check using state equation in 74 ms returned sat
[2020-05-21 22:40:58] [INFO ] Solution in real domain found non-integer solution.
[2020-05-21 22:40:58] [INFO ] [Nat]Adding state equation constraints to refine reachable states.
[2020-05-21 22:40:58] [INFO ] [Nat]Absence check using state equation in 119 ms returned unsat
[2020-05-21 22:40:58] [INFO ] [Real]Adding state equation constraints to refine reachable states.
[2020-05-21 22:40:58] [INFO ] [Real]Absence check using state equation in 63 ms returned sat
[2020-05-21 22:40:58] [INFO ] Solution in real domain found non-integer solution.
[2020-05-21 22:40:58] [INFO ] [Nat]Adding state equation constraints to refine reachable states.
[2020-05-21 22:40:58] [INFO ] [Nat]Absence check using state equation in 177 ms returned sat
[2020-05-21 22:40:58] [INFO ] State equation strengthened by 54 read => feed constraints.
[2020-05-21 22:40:58] [INFO ] [Nat]Added 54 Read/Feed constraints in 13 ms returned sat
[2020-05-21 22:40:58] [INFO ] Computed and/alt/rep : 234/2667/231 causal constraints in 19 ms.
[2020-05-21 22:40:58] [INFO ] Added : 28 causal constraints over 6 iterations in 227 ms. Result :sat
Attempting to minimize the solution found.
Minimization took 14 ms.
[2020-05-21 22:40:58] [INFO ] [Real]Adding state equation constraints to refine reachable states.
[2020-05-21 22:40:58] [INFO ] [Real]Absence check using state equation in 47 ms returned unsat
[2020-05-21 22:40:58] [INFO ] [Real]Adding state equation constraints to refine reachable states.
[2020-05-21 22:40:58] [INFO ] [Real]Absence check using state equation in 56 ms returned sat
[2020-05-21 22:40:58] [INFO ] Solution in real domain found non-integer solution.
[2020-05-21 22:40:58] [INFO ] [Nat]Adding state equation constraints to refine reachable states.
[2020-05-21 22:40:59] [INFO ] [Nat]Absence check using state equation in 167 ms returned unsat
[2020-05-21 22:40:59] [INFO ] [Real]Adding state equation constraints to refine reachable states.
[2020-05-21 22:40:59] [INFO ] [Real]Absence check using state equation in 59 ms returned sat
[2020-05-21 22:40:59] [INFO ] Solution in real domain found non-integer solution.
[2020-05-21 22:40:59] [INFO ] [Nat]Adding state equation constraints to refine reachable states.
[2020-05-21 22:40:59] [INFO ] [Nat]Absence check using state equation in 228 ms returned unsat
[2020-05-21 22:40:59] [INFO ] [Real]Adding state equation constraints to refine reachable states.
[2020-05-21 22:40:59] [INFO ] [Real]Absence check using state equation in 59 ms returned sat
[2020-05-21 22:40:59] [INFO ] Solution in real domain found non-integer solution.
[2020-05-21 22:40:59] [INFO ] [Nat]Adding state equation constraints to refine reachable states.
[2020-05-21 22:40:59] [INFO ] [Nat]Absence check using state equation in 169 ms returned unsat
[2020-05-21 22:40:59] [INFO ] [Real]Adding state equation constraints to refine reachable states.
[2020-05-21 22:40:59] [INFO ] [Real]Absence check using state equation in 35 ms returned unsat
[2020-05-21 22:40:59] [INFO ] [Real]Adding state equation constraints to refine reachable states.
[2020-05-21 22:40:59] [INFO ] [Real]Absence check using state equation in 34 ms returned unsat
[2020-05-21 22:40:59] [INFO ] [Real]Adding state equation constraints to refine reachable states.
[2020-05-21 22:40:59] [INFO ] [Real]Absence check using state equation in 43 ms returned sat
[2020-05-21 22:40:59] [INFO ] Solution in real domain found non-integer solution.
[2020-05-21 22:40:59] [INFO ] [Nat]Adding state equation constraints to refine reachable states.
[2020-05-21 22:40:59] [INFO ] [Nat]Absence check using state equation in 102 ms returned unsat
[2020-05-21 22:40:59] [INFO ] [Real]Adding state equation constraints to refine reachable states.
[2020-05-21 22:40:59] [INFO ] [Real]Absence check using state equation in 40 ms returned unsat
[2020-05-21 22:40:59] [INFO ] [Real]Adding state equation constraints to refine reachable states.
[2020-05-21 22:40:59] [INFO ] [Real]Absence check using state equation in 38 ms returned sat
[2020-05-21 22:40:59] [INFO ] Solution in real domain found non-integer solution.
[2020-05-21 22:40:59] [INFO ] [Nat]Adding state equation constraints to refine reachable states.
[2020-05-21 22:41:00] [INFO ] [Nat]Absence check using state equation in 142 ms returned unsat
[2020-05-21 22:41:00] [INFO ] [Real]Adding state equation constraints to refine reachable states.
[2020-05-21 22:41:00] [INFO ] [Real]Absence check using state equation in 29 ms returned unsat
FORMULA DNAwalker-PT-05track28LR-ReachabilityCardinality-15 FALSE TECHNIQUES STRUCTURAL_REDUCTION TOPOLOGICAL SAT_SMT
FORMULA DNAwalker-PT-05track28LR-ReachabilityCardinality-14 FALSE TECHNIQUES STRUCTURAL_REDUCTION TOPOLOGICAL SAT_SMT
FORMULA DNAwalker-PT-05track28LR-ReachabilityCardinality-13 TRUE TECHNIQUES STRUCTURAL_REDUCTION TOPOLOGICAL SAT_SMT
FORMULA DNAwalker-PT-05track28LR-ReachabilityCardinality-11 FALSE TECHNIQUES STRUCTURAL_REDUCTION TOPOLOGICAL SAT_SMT
FORMULA DNAwalker-PT-05track28LR-ReachabilityCardinality-09 TRUE TECHNIQUES STRUCTURAL_REDUCTION TOPOLOGICAL SAT_SMT
FORMULA DNAwalker-PT-05track28LR-ReachabilityCardinality-08 TRUE TECHNIQUES STRUCTURAL_REDUCTION TOPOLOGICAL SAT_SMT
FORMULA DNAwalker-PT-05track28LR-ReachabilityCardinality-07 FALSE TECHNIQUES STRUCTURAL_REDUCTION TOPOLOGICAL SAT_SMT
FORMULA DNAwalker-PT-05track28LR-ReachabilityCardinality-06 TRUE TECHNIQUES STRUCTURAL_REDUCTION TOPOLOGICAL SAT_SMT
FORMULA DNAwalker-PT-05track28LR-ReachabilityCardinality-05 FALSE TECHNIQUES STRUCTURAL_REDUCTION TOPOLOGICAL SAT_SMT
FORMULA DNAwalker-PT-05track28LR-ReachabilityCardinality-03 FALSE TECHNIQUES STRUCTURAL_REDUCTION TOPOLOGICAL SAT_SMT
FORMULA DNAwalker-PT-05track28LR-ReachabilityCardinality-01 TRUE TECHNIQUES STRUCTURAL_REDUCTION TOPOLOGICAL SAT_SMT
FORMULA DNAwalker-PT-05track28LR-ReachabilityCardinality-00 FALSE TECHNIQUES STRUCTURAL_REDUCTION TOPOLOGICAL SAT_SMT
Incomplete Parikh walk after 2900 steps, including 367 resets, run finished after 10 ms. (steps per millisecond=290 ) properties seen :[0] could not realise parikh vector
Support contains 3 out of 34 places. Attempting structural reductions.
Starting structural reductions, iteration 0 : 34/34 places, 250/250 transitions.
Discarding 1 places :
Also discarding 1 output transitions
Drop transitions removed 1 transitions
Graph (complete) has 240 edges and 34 vertex of which 33 are kept as prefixes of interest. Removing 1 places using SCC suffix rule.19 ms
Drop transitions removed 16 transitions
Reduce isomorphic transitions removed 16 transitions.
Iterating post reduction 0 with 16 rules applied. Total rules applied 17 place count 33 transition count 233
Reduce places removed 1 places and 1 transitions.
Iterating global reduction 1 with 1 rules applied. Total rules applied 18 place count 32 transition count 232
Reduce places removed 1 places and 1 transitions.
Iterating global reduction 1 with 1 rules applied. Total rules applied 19 place count 31 transition count 231
Reduce places removed 1 places and 1 transitions.
Iterating global reduction 1 with 1 rules applied. Total rules applied 20 place count 30 transition count 230
Reduce places removed 1 places and 1 transitions.
Iterating global reduction 1 with 1 rules applied. Total rules applied 21 place count 29 transition count 229
Reduce places removed 1 places and 1 transitions.
Iterating global reduction 1 with 1 rules applied. Total rules applied 22 place count 28 transition count 228
Reduce places removed 1 places and 1 transitions.
Iterating global reduction 1 with 1 rules applied. Total rules applied 23 place count 27 transition count 227
Applied a total of 23 rules in 59 ms. Remains 27 /34 variables (removed 7) and now considering 227/250 (removed 23) transitions.
// Phase 1: matrix 227 rows 27 cols
[2020-05-21 22:41:00] [INFO ] Computed 0 place invariants in 1 ms
[2020-05-21 22:41:00] [INFO ] Dead Transitions using invariants and state equation in 100 ms returned []
Finished structural reductions, in 1 iterations. Remains : 27/34 places, 227/250 transitions.
Incomplete random walk after 1000000 steps, including 87937 resets, run finished after 2077 ms. (steps per millisecond=481 ) properties seen :[0]
Incomplete Best-First random walk after 1000001 steps, including 15744 resets, run finished after 594 ms. (steps per millisecond=1683 ) properties seen :[0]
Interrupted probabilistic random walk after 20595965 steps, run timeout after 30001 ms. (steps per millisecond=686 ) properties seen :[0]
Probabilistic random walk after 20595965 steps, saw 4981913 distinct states, run finished after 30002 ms. (steps per millisecond=686 ) properties seen :[0]
// Phase 1: matrix 227 rows 27 cols
[2020-05-21 22:41:32] [INFO ] Computed 0 place invariants in 12 ms
[2020-05-21 22:41:32] [INFO ] [Real]Adding state equation constraints to refine reachable states.
[2020-05-21 22:41:33] [INFO ] [Real]Absence check using state equation in 65 ms returned sat
[2020-05-21 22:41:33] [INFO ] Solution in real domain found non-integer solution.
[2020-05-21 22:41:33] [INFO ] [Nat]Adding state equation constraints to refine reachable states.
[2020-05-21 22:41:33] [INFO ] [Nat]Absence check using state equation in 129 ms returned sat
[2020-05-21 22:41:33] [INFO ] Computed and/alt/rep : 222/2029/222 causal constraints in 26 ms.
[2020-05-21 22:41:38] [INFO ] Added : 178 causal constraints over 48 iterations in 5342 ms. Result :sat
Attempting to minimize the solution found.
Minimization took 54 ms.
Incomplete Parikh walk after 2400 steps, including 147 resets, run finished after 12 ms. (steps per millisecond=200 ) properties seen :[0] could not realise parikh vector
Support contains 3 out of 27 places. Attempting structural reductions.
Starting structural reductions, iteration 0 : 27/27 places, 227/227 transitions.
Applied a total of 0 rules in 5 ms. Remains 27 /27 variables (removed 0) and now considering 227/227 (removed 0) transitions.
Finished structural reductions, in 1 iterations. Remains : 27/27 places, 227/227 transitions.
Starting structural reductions, iteration 0 : 27/27 places, 227/227 transitions.
Applied a total of 0 rules in 5 ms. Remains 27 /27 variables (removed 0) and now considering 227/227 (removed 0) transitions.
// Phase 1: matrix 227 rows 27 cols
[2020-05-21 22:41:38] [INFO ] Computed 0 place invariants in 2 ms
[2020-05-21 22:41:38] [INFO ] Implicit Places using invariants in 52 ms returned []
// Phase 1: matrix 227 rows 27 cols
[2020-05-21 22:41:38] [INFO ] Computed 0 place invariants in 2 ms
[2020-05-21 22:41:38] [INFO ] Implicit Places using invariants and state equation in 220 ms returned [23, 26]
Discarding 2 places :
Drop transitions removed 10 transitions
Ensure Unique test removed 1 transitions
Reduce isomorphic transitions removed 11 transitions.
Implicit Place search using SMT with State Equation took 280 ms to find 2 implicit places.
[2020-05-21 22:41:38] [INFO ] Redundant transitions in 22 ms returned []
// Phase 1: matrix 216 rows 25 cols
[2020-05-21 22:41:38] [INFO ] Computed 0 place invariants in 1 ms
[2020-05-21 22:41:39] [INFO ] Dead Transitions using invariants and state equation in 115 ms returned []
Starting structural reductions, iteration 1 : 25/27 places, 216/227 transitions.
Applied a total of 0 rules in 6 ms. Remains 25 /25 variables (removed 0) and now considering 216/216 (removed 0) transitions.
[2020-05-21 22:41:39] [INFO ] Redundant transitions in 16 ms returned []
// Phase 1: matrix 216 rows 25 cols
[2020-05-21 22:41:39] [INFO ] Computed 0 place invariants in 1 ms
[2020-05-21 22:41:39] [INFO ] Dead Transitions using invariants and state equation in 107 ms returned []
Finished structural reductions, in 2 iterations. Remains : 25/27 places, 216/227 transitions.
Incomplete random walk after 1000000 steps, including 67660 resets, run finished after 1871 ms. (steps per millisecond=534 ) properties seen :[0]
Incomplete Best-First random walk after 1000000 steps, including 13731 resets, run finished after 547 ms. (steps per millisecond=1828 ) properties seen :[0]
Interrupted probabilistic random walk after 23078771 steps, run timeout after 30001 ms. (steps per millisecond=769 ) properties seen :[0]
Probabilistic random walk after 23078771 steps, saw 5407239 distinct states, run finished after 30001 ms. (steps per millisecond=769 ) properties seen :[0]
// Phase 1: matrix 216 rows 25 cols
[2020-05-21 22:42:11] [INFO ] Computed 0 place invariants in 2 ms
[2020-05-21 22:42:11] [INFO ] [Real]Adding state equation constraints to refine reachable states.
[2020-05-21 22:42:11] [INFO ] [Real]Absence check using state equation in 64 ms returned sat
[2020-05-21 22:42:11] [INFO ] Solution in real domain found non-integer solution.
[2020-05-21 22:42:11] [INFO ] [Nat]Adding state equation constraints to refine reachable states.
[2020-05-21 22:42:11] [INFO ] [Nat]Absence check using state equation in 123 ms returned sat
[2020-05-21 22:42:11] [INFO ] Computed and/alt/rep : 211/1942/211 causal constraints in 25 ms.
[2020-05-21 22:42:12] [INFO ] Added : 40 causal constraints over 9 iterations in 607 ms. Result :sat
Attempting to minimize the solution found.
Minimization took 22 ms.
Incomplete Parikh walk after 2300 steps, including 124 resets, run finished after 10 ms. (steps per millisecond=230 ) properties seen :[0] could not realise parikh vector
Support contains 3 out of 25 places. Attempting structural reductions.
Starting structural reductions, iteration 0 : 25/25 places, 216/216 transitions.
Applied a total of 0 rules in 4 ms. Remains 25 /25 variables (removed 0) and now considering 216/216 (removed 0) transitions.
Finished structural reductions, in 1 iterations. Remains : 25/25 places, 216/216 transitions.
Starting structural reductions, iteration 0 : 25/25 places, 216/216 transitions.
Applied a total of 0 rules in 3 ms. Remains 25 /25 variables (removed 0) and now considering 216/216 (removed 0) transitions.
// Phase 1: matrix 216 rows 25 cols
[2020-05-21 22:42:12] [INFO ] Computed 0 place invariants in 1 ms
[2020-05-21 22:42:12] [INFO ] Implicit Places using invariants in 44 ms returned []
// Phase 1: matrix 216 rows 25 cols
[2020-05-21 22:42:12] [INFO ] Computed 0 place invariants in 1 ms
[2020-05-21 22:42:12] [INFO ] Implicit Places using invariants and state equation in 219 ms returned []
Implicit Place search using SMT with State Equation took 265 ms to find 0 implicit places.
[2020-05-21 22:42:12] [INFO ] Redundant transitions in 11 ms returned []
// Phase 1: matrix 216 rows 25 cols
[2020-05-21 22:42:12] [INFO ] Computed 0 place invariants in 1 ms
[2020-05-21 22:42:12] [INFO ] Dead Transitions using invariants and state equation in 109 ms returned []
Finished structural reductions, in 1 iterations. Remains : 25/25 places, 216/216 transitions.
Incomplete random walk after 100000 steps, including 6733 resets, run finished after 190 ms. (steps per millisecond=526 ) properties seen :[0]
// Phase 1: matrix 216 rows 25 cols
[2020-05-21 22:42:13] [INFO ] Computed 0 place invariants in 1 ms
[2020-05-21 22:42:13] [INFO ] [Real]Adding state equation constraints to refine reachable states.
[2020-05-21 22:42:13] [INFO ] [Real]Absence check using state equation in 61 ms returned sat
[2020-05-21 22:42:13] [INFO ] Solution in real domain found non-integer solution.
[2020-05-21 22:42:13] [INFO ] [Nat]Adding state equation constraints to refine reachable states.
[2020-05-21 22:42:13] [INFO ] [Nat]Absence check using state equation in 130 ms returned sat
[2020-05-21 22:42:13] [INFO ] Computed and/alt/rep : 211/1942/211 causal constraints in 20 ms.
[2020-05-21 22:42:13] [INFO ] Added : 40 causal constraints over 9 iterations in 487 ms. Result :sat
Applied a total of 0 rules in 12 ms. Remains 25 /25 variables (removed 0) and now considering 216/216 (removed 0) transitions.
// Phase 1: matrix 216 rows 25 cols
[2020-05-21 22:42:13] [INFO ] Computed 0 place invariants in 1 ms
[2020-05-21 22:42:13] [INFO ] [Real]Adding state equation constraints to refine reachable states.
[2020-05-21 22:42:13] [INFO ] [Real]Absence check using state equation in 77 ms returned sat
[2020-05-21 22:42:14] [INFO ] Solution in real domain found non-integer solution.
[2020-05-21 22:42:14] [INFO ] [Nat]Adding state equation constraints to refine reachable states.
[2020-05-21 22:42:14] [INFO ] [Nat]Absence check using state equation in 114 ms returned sat
[2020-05-21 22:42:14] [INFO ] Computed and/alt/rep : 211/1942/211 causal constraints in 25 ms.
[2020-05-21 22:42:14] [INFO ] Added : 40 causal constraints over 9 iterations in 622 ms. Result :sat
Attempting to minimize the solution found.
Minimization took 10 ms.
[2020-05-21 22:42:15] [INFO ] Flatten gal took : 55 ms
Using solver Z3 to compute partial order matrices.
Built C files in :
/home/mcc/execution
[2020-05-21 22:42:15] [INFO ] Flatten gal took : 39 ms
[2020-05-21 22:42:15] [INFO ] Applying decomposition
[2020-05-21 22:42:15] [INFO ] Flatten gal took : 19 ms
[2020-05-21 22:42:15] [INFO ] Input system was already deterministic with 216 transitions.
[2020-05-21 22:42:15] [INFO ] Input system was already deterministic with 216 transitions.
Converted graph to binary with : CommandLine [args=[/home/mcc/BenchKit/itstools/plugins/fr.lip6.move.gal.louvain.binaries_1.0.0.202005100927/bin/convert-linux64, -i, /tmp/graph3621594715340941081.txt, -o, /tmp/graph3621594715340941081.bin, -w, /tmp/graph3621594715340941081.weights], workingDir=null]
Built communities with : CommandLine [args=[/home/mcc/BenchKit/itstools/plugins/fr.lip6.move.gal.louvain.binaries_1.0.0.202005100927/bin/louvain-linux64, /tmp/graph3621594715340941081.bin, -l, -1, -v, -w, /tmp/graph3621594715340941081.weights, -q, 0, -e, 0.001], workingDir=null]
[2020-05-21 22:42:15] [INFO ] Decomposing Gal with order
[2020-05-21 22:42:15] [INFO ] Rewriting arrays to variables to allow decomposition.
Presburger conditions satisfied. Using coverability to approximate state space in K-Induction.
// Phase 1: matrix 216 rows 25 cols
[2020-05-21 22:42:15] [INFO ] Computed 0 place invariants in 1 ms
Total of 0 invariants.
[2020-05-21 22:42:15] [INFO ] Computed 0 place invariants in 2 ms
[2020-05-21 22:42:15] [INFO ] Ran tautology test, simplified 0 / 1 in 242 ms.
[2020-05-21 22:42:15] [INFO ] BMC solution for property DNAwalker-PT-05track28LR-ReachabilityCardinality-02(UNSAT) depth K=0 took 16 ms
[2020-05-21 22:42:15] [INFO ] BMC solution for property DNAwalker-PT-05track28LR-ReachabilityCardinality-02(UNSAT) depth K=1 took 1 ms
[2020-05-21 22:42:15] [INFO ] Removed a total of 381 redundant transitions.
[2020-05-21 22:42:15] [INFO ] BMC solution for property DNAwalker-PT-05track28LR-ReachabilityCardinality-02(UNSAT) depth K=2 took 25 ms
[2020-05-21 22:42:15] [INFO ] Flatten gal took : 103 ms
[2020-05-21 22:42:15] [INFO ] Fuse similar labels procedure discarded/fused a total of 0 labels/synchronizations in 5 ms.
Presburger conditions satisfied. Using coverability to approximate state space in K-Induction.
// Phase 1: matrix 216 rows 25 cols
[2020-05-21 22:42:15] [INFO ] Computed 0 place invariants in 1 ms
Total of 0 invariants.
[2020-05-21 22:42:15] [INFO ] Computed 0 place invariants in 1 ms
[2020-05-21 22:42:15] [INFO ] Time to serialize gal into /home/mcc/execution/ReachabilityCardinality.pnml.gal : 17 ms
[2020-05-21 22:42:15] [INFO ] Time to serialize properties into /home/mcc/execution/ReachabilityCardinality.prop : 0 ms
Invoking ITS tools like this :CommandLine [args=[/home/mcc/BenchKit/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202005100927/bin/its-reach-linux64, --gc-threshold, 2000000, --quiet, -i, /home/mcc/execution/ReachabilityCardinality.pnml.gal, -t, CGAL, -reachable-file, ReachabilityCardinality.prop, --nowitness, --gen-order, FOLLOW], workingDir=/home/mcc/execution]
[2020-05-21 22:42:15] [INFO ] Proved 25 variables to be positive in 227 ms
[2020-05-21 22:42:15] [INFO ] Computing symmetric may disable matrix : 216 transitions.
[2020-05-21 22:42:15] [INFO ] Computation of disable matrix completed :0/216 took 0 ms. Total solver calls (SAT/UNSAT): 0(0/0)

[2020-05-21 22:42:15] [INFO ] BMC solution for property DNAwalker-PT-05track28LR-ReachabilityCardinality-02(UNSAT) depth K=3 took 176 ms
its-reach command run as :

/home/mcc/BenchKit/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202005100927/bin/its-reach-linux64 --gc-threshold 2000000 --quiet -i /home/mcc/execution/ReachabilityCardinality.pnml.gal -t CGAL -reachable-file ReachabilityCardinality.prop --nowitness --gen-order FOLLOW
[2020-05-21 22:42:15] [INFO ] Computation of Complete disable matrix. took 54 ms. Total solver calls (SAT/UNSAT): 0(0/0)
[2020-05-21 22:42:15] [INFO ] Computing symmetric may enable matrix : 216 transitions.
Loading property file ReachabilityCardinality.prop.
Read [invariant] property : DNAwalker-PT-05track28LR-ReachabilityCardinality-02 with value :((gu0.A1<1)||(gu18.A17<=gu18.A21))
SDD proceeding with computation, new max is 4
SDD proceeding with computation, new max is 8
SDD proceeding with computation, new max is 16
SDD proceeding with computation, new max is 32
[2020-05-21 22:42:15] [INFO ] Computation of Complete enable matrix. took 36 ms. Total solver calls (SAT/UNSAT): 0(0/0)
SDD proceeding with computation, new max is 64
SDD proceeding with computation, new max is 128
SDD proceeding with computation, new max is 256
SDD proceeding with computation, new max is 512
[2020-05-21 22:42:15] [INFO ] Proved 25 variables to be positive in 247 ms
SDD proceeding with computation, new max is 1024
[2020-05-21 22:42:15] [INFO ] Induction result is SAT, non conclusive we might be starting from unreachable statesDNAwalker-PT-05track28LR-ReachabilityCardinality-02
[2020-05-21 22:42:15] [INFO ] KInduction solution for property DNAwalker-PT-05track28LR-ReachabilityCardinality-02(SAT) depth K=0 took 21 ms
[2020-05-21 22:42:15] [INFO ] Induction result is SAT, non conclusive we might be starting from unreachable statesDNAwalker-PT-05track28LR-ReachabilityCardinality-02
[2020-05-21 22:42:15] [INFO ] KInduction solution for property DNAwalker-PT-05track28LR-ReachabilityCardinality-02(SAT) depth K=1 took 25 ms
[2020-05-21 22:42:15] [INFO ] Computing symmetric co enabling matrix : 216 transitions.
SDD proceeding with computation, new max is 2048
SDD proceeding with computation, new max is 4096
Model ,|S| ,Time ,Mem(kb) ,fin. SDD ,fin. DDD ,peak SDD ,peak DDD ,SDD Hom ,SDD cache peak ,DDD Hom ,DDD cachepeak ,SHom cache
petri\_inst\_inst\_mod\_flatf,4.26564e+07,0.656504,20172,2,1436,18,67426,7,0,367,79009,0
Total reachable state count : 42656431

Verifying 1 reachability properties.
Invariant property DNAwalker-PT-05track28LR-ReachabilityCardinality-02 is true.
FORMULA DNAwalker-PT-05track28LR-ReachabilityCardinality-02 TRUE TECHNIQUES DECISION_DIAGRAMS TOPOLOGICAL COLLATERAL_PROCESSING USE_NUPN

Model ,|S| ,Time ,Mem(kb) ,fin. SDD ,fin. DDD ,peak SDD ,peak DDD ,SDD Hom ,SDD cache peak ,DDD Hom ,DDD cachepeak ,SHom cache
DNAwalker-PT-05track28LR-ReachabilityCardinality-02,0,0.657566,20172,1,0,18,67426,7,0,375,79009,0
[2020-05-21 22:42:16] [WARNING] Interrupting SMT solver.
[2020-05-21 22:42:16] [WARNING] SMT solver unexpectedly returned 'unknown' answer, retrying.
[2020-05-21 22:42:16] [WARNING] SMT solver unexpectedly returned 'unknown' answer, retrying.
java.lang.RuntimeException: SMT solver raised an exception or timeout :(error "Failed to check-sat")
at fr.lip6.move.gal.gal2smt.bmc.NextBMCSolver.checkSat(NextBMCSolver.java:299)
at fr.lip6.move.gal.gal2smt.bmc.NextBMCSolver.checkSat(NextBMCSolver.java:307)
at fr.lip6.move.gal.gal2smt.bmc.KInductionSolver.verify(KInductionSolver.java:586)
at fr.lip6.move.gal.gal2smt.Gal2SMTFrontEnd.runKInduction(Gal2SMTFrontEnd.java:305)
at fr.lip6.move.gal.gal2smt.Gal2SMTFrontEnd.access$1(Gal2SMTFrontEnd.java:278)
at fr.lip6.move.gal.gal2smt.Gal2SMTFrontEnd$2.run(Gal2SMTFrontEnd.java:170)
at java.base/java.lang.Thread.run(Thread.java:834)
java.lang.RuntimeException: SMT solver raised an exception or timeout :(error "Failed to check-sat")
at fr.lip6.move.gal.gal2smt.bmc.NextBMCSolver.checkSat(NextBMCSolver.java:299)
at fr.lip6.move.gal.gal2smt.bmc.NextBMCSolver.checkSat(NextBMCSolver.java:307)
at fr.lip6.move.gal.gal2smt.bmc.NextBMCSolver.verifyAssertion(NextBMCSolver.java:454)
at fr.lip6.move.gal.gal2smt.bmc.NextBMCSolver.verify(NextBMCSolver.java:437)
at fr.lip6.move.gal.gal2smt.Gal2SMTFrontEnd.runBMC(Gal2SMTFrontEnd.java:384)
at fr.lip6.move.gal.gal2smt.Gal2SMTFrontEnd.access$0(Gal2SMTFrontEnd.java:356)
at fr.lip6.move.gal.gal2smt.Gal2SMTFrontEnd$1.run(Gal2SMTFrontEnd.java:163)
at java.base/java.lang.Thread.run(Thread.java:834)
[2020-05-21 22:42:16] [WARNING] Unexpected error occurred while running SMT. Was verifying DNAwalker-PT-05track28LR-ReachabilityCardinality-02 K-induction depth 2
[2020-05-21 22:42:16] [WARNING] Unexpected error occurred while running SMT. Was verifying DNAwalker-PT-05track28LR-ReachabilityCardinality-02 SMT depth 4
java.lang.RuntimeException: java.lang.RuntimeException: SMT solver raised an exception or timeout :(error "Failed to check-sat")
at fr.lip6.move.gal.gal2smt.Gal2SMTFrontEnd.runBMC(Gal2SMTFrontEnd.java:410)
at fr.lip6.move.gal.gal2smt.Gal2SMTFrontEnd.access$0(Gal2SMTFrontEnd.java:356)
at fr.lip6.move.gal.gal2smt.Gal2SMTFrontEnd$1.run(Gal2SMTFrontEnd.java:163)
at java.base/java.lang.Thread.run(Thread.java:834)
Caused by: java.lang.RuntimeException: SMT solver raised an exception or timeout :(error "Failed to check-sat")
at fr.lip6.move.gal.gal2smt.bmc.NextBMCSolver.checkSat(NextBMCSolver.java:299)
at fr.lip6.move.gal.gal2smt.bmc.NextBMCSolver.checkSat(NextBMCSolver.java:307)
at fr.lip6.move.gal.gal2smt.bmc.NextBMCSolver.verifyAssertion(NextBMCSolver.java:454)
at fr.lip6.move.gal.gal2smt.bmc.NextBMCSolver.verify(NextBMCSolver.java:437)
at fr.lip6.move.gal.gal2smt.Gal2SMTFrontEnd.runBMC(Gal2SMTFrontEnd.java:384)
... 3 more
[2020-05-21 22:42:16] [INFO ] During BMC, SMT solver timed out at depth 4
Exception in thread "Thread-5" java.lang.RuntimeException: java.lang.RuntimeException: SMT solver raised an exception or timeout :(error "Failed to check-sat")
at fr.lip6.move.gal.gal2smt.Gal2SMTFrontEnd.runKInduction(Gal2SMTFrontEnd.java:343)
at fr.lip6.move.gal.gal2smt.Gal2SMTFrontEnd.access$1(Gal2SMTFrontEnd.java:278)
at fr.lip6.move.gal.gal2smt.Gal2SMTFrontEnd$2.run(Gal2SMTFrontEnd.java:170)
at java.base/java.lang.Thread.run(Thread.java:834)
Caused by: java.lang.RuntimeException: SMT solver raised an exception or timeout :(error "Failed to check-sat")
at fr.lip6.move.gal.gal2smt.bmc.NextBMCSolver.checkSat(NextBMCSolver.java:299)
at fr.lip6.move.gal.gal2smt.bmc.NextBMCSolver.checkSat(NextBMCSolver.java:307)
at fr.lip6.move.gal.gal2smt.bmc.KInductionSolver.verify(KInductionSolver.java:586)
at fr.lip6.move.gal.gal2smt.Gal2SMTFrontEnd.runKInduction(Gal2SMTFrontEnd.java:305)
... 3 more
[2020-05-21 22:42:16] [INFO ] BMC solving timed out (3600000 secs) at depth 4
[2020-05-21 22:42:16] [INFO ] SMT solved 0/ 1 properties. Interrupting SMT analysis.
[2020-05-21 22:42:16] [WARNING] Script execution failed on command (assert (and (>= (select s0 2) 1) (>= (select s0 3) 2))) with error (error "Failed to assert expression: java.io.IOException: Stream closed (and (>= (select s0 2) 1) (>= (select s0 3) 2))")
[(assert (and (>= (select s0 2) 1) (>= (select s0 3) 2)))]
Skipping mayMatrices nes/nds SMT solver raised an exception.
java.lang.RuntimeException: SMT solver raised an exception.
at fr.lip6.move.gal.gal2smt.bmc.NecessaryEnablingsolver.computeCoEnablingMatrix(NecessaryEnablingsolver.java:477)
at fr.lip6.move.gal.gal2pins.Gal2PinsTransformerNext.printLabels(Gal2PinsTransformerNext.java:530)
at fr.lip6.move.gal.gal2pins.Gal2PinsTransformerNext.printDependencyMatrix(Gal2PinsTransformerNext.java:209)
at fr.lip6.move.gal.gal2pins.Gal2PinsTransformerNext.buildBodyFile(Gal2PinsTransformerNext.java:85)
at fr.lip6.move.gal.gal2pins.Gal2PinsTransformerNext.transform(Gal2PinsTransformerNext.java:831)
at fr.lip6.move.gal.application.LTSminRunner$1.run(LTSminRunner.java:73)
at java.base/java.lang.Thread.run(Thread.java:834)
[2020-05-21 22:42:16] [INFO ] Built C files in 1295ms conformant to PINS in folder :/home/mcc/execution
Running compilation step : CommandLine [args=[gcc, -c, -I/home/mcc/BenchKit//lts_install_dir//include, -I., -std=c99, -fPIC, -O2, model.c], workingDir=/home/mcc/execution]
WARNING : LTS min runner thread was asked to interrupt. Dying gracefully.

BK_STOP 1590100936660

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

+ export BINDIR=/home/mcc/BenchKit/
+ BINDIR=/home/mcc/BenchKit/
++ pwd
+ export MODEL=/home/mcc/execution
+ MODEL=/home/mcc/execution
+ [[ ReachabilityCardinality = StateSpace ]]
+ /home/mcc/BenchKit//runeclipse.sh /home/mcc/execution ReachabilityCardinality -its -ltsminpath /home/mcc/BenchKit//lts_install_dir/ -greatspnpath /home/mcc/BenchKit//greatspn/ -order META -manyOrder -smt -timeout 3600
+ ulimit -s 65536
+ [[ -z '' ]]
+ export LTSMIN_MEM_SIZE=8589934592
+ LTSMIN_MEM_SIZE=8589934592
+ /home/mcc/BenchKit//itstools/its-tools -data /home/mcc/execution/workspace -pnfolder /home/mcc/execution -examination ReachabilityCardinality -z3path /home/mcc/BenchKit//z3/bin/z3 -yices2path /home/mcc/BenchKit//yices/bin/yices -its -ltsminpath /home/mcc/BenchKit//lts_install_dir/ -greatspnpath /home/mcc/BenchKit//greatspn/ -order META -manyOrder -smt -timeout 3600 -vmargs -Dosgi.locking=none -Declipse.stateSaveDelayInterval=-1 -Dosgi.configuration.area=/tmp/.eclipse -Xss128m -Xms40m -Xmx16000m -Dfile.encoding=UTF-8 -Dosgi.requiredJavaVersion=1.6

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="DNAwalker-PT-05track28LR"
export BK_EXAMINATION="ReachabilityCardinality"
export BK_TOOL="itstools"
export BK_RESULT_DIR="/tmp/BK_RESULTS/OUTPUTS"
export BK_TIME_CONFINEMENT="3600"
export BK_MEMORY_CONFINEMENT="16384"

# this is specific to your benchmark or test

export BIN_DIR="$HOME/BenchKit/bin"

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

# this is for BenchKit: explicit launching of the test
echo "====================================================================="
echo " Generated by BenchKit 2-4028"
echo " Executing tool itstools"
echo " Input is DNAwalker-PT-05track28LR, examination is ReachabilityCardinality"
echo " Time confinement is $BK_TIME_CONFINEMENT seconds"
echo " Memory confinement is 16384 MBytes"
echo " Number of cores is 4"
echo " Run identifier is r066-tajo-158922813900118"
echo "====================================================================="
echo
echo "--------------------"
echo "preparation of the directory to be used:"

tar xzf /home/mcc/BenchKit/INPUTS/DNAwalker-PT-05track28LR.tgz
mv DNAwalker-PT-05track28LR execution
cd execution
if [ "ReachabilityCardinality" = "ReachabilityDeadlock" ] || [ "ReachabilityCardinality" = "UpperBounds" ] || [ "ReachabilityCardinality" = "QuasiLiveness" ] || [ "ReachabilityCardinality" = "StableMarking" ] || [ "ReachabilityCardinality" = "Liveness" ] || [ "ReachabilityCardinality" = "OneSafe" ] || [ "ReachabilityCardinality" = "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 [ "ReachabilityCardinality" = "UpperBounds" ] ; then
echo "The expected result is a vector of positive values"
echo NUM_VECTOR
elif [ "ReachabilityCardinality" != "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 "ReachabilityCardinality.txt" ] ; then
echo "here is the order used to build the result vector(from text file)"
for x in $(grep Property ReachabilityCardinality.txt | cut -d ' ' -f 2 | sort -u) ; do
echo "FORMULA_NAME $x"
done
elif [ -f "ReachabilityCardinality.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 '' ReachabilityCardinality.xml | cut -d '>' -f 2 | cut -d '<' -f 1 | sort -u) ; do
echo "FORMULA_NAME $x"
done
elif [ "ReachabilityCardinality" = "ReachabilityDeadlock" ] || [ "ReachabilityCardinality" = "QuasiLiveness" ] || [ "ReachabilityCardinality" = "StableMarking" ] || [ "ReachabilityCardinality" = "Liveness" ] || [ "ReachabilityCardinality" = "OneSafe" ] ; then
echo "FORMULA_NAME ReachabilityCardinality"
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 ;