About the Execution of ITS-Tools for ShieldIIPt-PT-100A
Execution Summary | |||||
Max Memory Used (MB) |
Time wait (ms) | CPU Usage (ms) | I/O Wait (ms) | Computed Result | Execution Status |
1629.596 | 182981.00 | 435692.00 | 131.30 | TFTTTTTTTTTFFTTT | 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.r389-oct2-167903713400343.qcow2', fmt=qcow2 cluster_size=65536 extended_l2=off compression_type=zlib size=4294967296 backing_file=/data/fkordon/mcc2023-input.qcow2 backing_fmt=qcow2 lazy_refcounts=off refcount_bits=16
Waiting for the VM to be ready (probing ssh)
....................
=====================================================================
Generated by BenchKit 2-5348
Executing tool itstools
Input is ShieldIIPt-PT-100A, examination is ReachabilityFireability
Time confinement is 3600 seconds
Memory confinement is 16384 MBytes
Number of cores is 4
Run identifier is r389-oct2-167903713400343
=====================================================================
--------------------
preparation of the directory to be used:
/home/mcc/execution
total 1.1M
-rw-r--r-- 1 mcc users 8.8K Feb 25 19:03 CTLCardinality.txt
-rw-r--r-- 1 mcc users 97K Feb 25 19:03 CTLCardinality.xml
-rw-r--r-- 1 mcc users 5.8K Feb 25 18:12 CTLFireability.txt
-rw-r--r-- 1 mcc users 55K Feb 25 18:12 CTLFireability.xml
-rw-r--r-- 1 mcc users 4.2K Jan 29 11:41 GenericPropertiesDefinition.xml
-rw-r--r-- 1 mcc users 6.6K Jan 29 11:41 GenericPropertiesVerdict.xml
-rw-r--r-- 1 mcc users 3.8K Feb 25 16:57 LTLCardinality.txt
-rw-r--r-- 1 mcc users 26K Feb 25 16:57 LTLCardinality.xml
-rw-r--r-- 1 mcc users 2.2K Feb 25 16:57 LTLFireability.txt
-rw-r--r-- 1 mcc users 17K Feb 25 16:57 LTLFireability.xml
-rw-r--r-- 1 mcc users 11K Feb 25 21:04 ReachabilityCardinality.txt
-rw-r--r-- 1 mcc users 112K Feb 25 21:04 ReachabilityCardinality.xml
-rw-r--r-- 1 mcc users 12K Feb 25 19:56 ReachabilityFireability.txt
-rw-r--r-- 1 mcc users 108K Feb 25 19:56 ReachabilityFireability.xml
-rw-r--r-- 1 mcc users 1.7K Feb 25 16:57 UpperBounds.txt
-rw-r--r-- 1 mcc users 3.7K Feb 25 16:57 UpperBounds.xml
-rw-r--r-- 1 mcc users 6 Mar 5 18:23 equiv_col
-rw-r--r-- 1 mcc users 5 Mar 5 18:23 instance
-rw-r--r-- 1 mcc users 6 Mar 5 18:23 iscolored
-rw-r--r-- 1 mcc users 539K Mar 5 18:23 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 ShieldIIPt-PT-100A-ReachabilityFireability-00
FORMULA_NAME ShieldIIPt-PT-100A-ReachabilityFireability-01
FORMULA_NAME ShieldIIPt-PT-100A-ReachabilityFireability-02
FORMULA_NAME ShieldIIPt-PT-100A-ReachabilityFireability-03
FORMULA_NAME ShieldIIPt-PT-100A-ReachabilityFireability-04
FORMULA_NAME ShieldIIPt-PT-100A-ReachabilityFireability-05
FORMULA_NAME ShieldIIPt-PT-100A-ReachabilityFireability-06
FORMULA_NAME ShieldIIPt-PT-100A-ReachabilityFireability-07
FORMULA_NAME ShieldIIPt-PT-100A-ReachabilityFireability-08
FORMULA_NAME ShieldIIPt-PT-100A-ReachabilityFireability-09
FORMULA_NAME ShieldIIPt-PT-100A-ReachabilityFireability-10
FORMULA_NAME ShieldIIPt-PT-100A-ReachabilityFireability-11
FORMULA_NAME ShieldIIPt-PT-100A-ReachabilityFireability-12
FORMULA_NAME ShieldIIPt-PT-100A-ReachabilityFireability-13
FORMULA_NAME ShieldIIPt-PT-100A-ReachabilityFireability-14
FORMULA_NAME ShieldIIPt-PT-100A-ReachabilityFireability-15
=== Now, execution of the tool begins
BK_START 1679192082345
bash -c /home/mcc/BenchKit/BenchKit_head.sh 2> STDERR ; echo ; echo -n "BK_STOP " ; date -u +%s%3N
Invoking MCC driver with
BK_TOOL=itstools
BK_EXAMINATION=ReachabilityFireability
BK_BIN_PATH=/home/mcc/BenchKit/bin/
BK_TIME_CONFINEMENT=3600
BK_INPUT=ShieldIIPt-PT-100A
Not applying reductions.
Model is PT
ReachabilityFireability PT
Running Version 202303021504
[2023-03-19 02:14:44] [INFO ] Running its-tools with arguments : [-pnfolder, /home/mcc/execution, -examination, ReachabilityFireability, -its, -ltsmin, -greatspnpath, /home/mcc/BenchKit/bin//../itstools/bin//..//greatspn/, -order, META, -manyOrder, -smt, -timeout, 3600]
[2023-03-19 02:14:44] [INFO ] Parsing pnml file : /home/mcc/execution/model.pnml
[2023-03-19 02:14:44] [INFO ] Load time of PNML (sax parser for PT used): 148 ms
[2023-03-19 02:14:44] [INFO ] Transformed 1903 places.
[2023-03-19 02:14:44] [INFO ] Transformed 1403 transitions.
[2023-03-19 02:14:44] [INFO ] Found NUPN structural information;
[2023-03-19 02:14:44] [INFO ] Parsed PT model containing 1903 places and 1403 transitions and 6006 arcs in 295 ms.
Parsed 16 properties from file /home/mcc/execution/ReachabilityFireability.xml in 14 ms.
Working with output stream class java.io.PrintStream
Ensure Unique test removed 1 transitions
Reduce redundant transitions removed 1 transitions.
[2023-03-19 02:14:45] [INFO ] Flatten gal took : 315 ms
Incomplete random walk after 10000 steps, including 2 resets, run finished after 689 ms. (steps per millisecond=14 ) properties (out of 16) seen :4
FORMULA ShieldIIPt-PT-100A-ReachabilityFireability-14 TRUE TECHNIQUES TOPOLOGICAL RANDOM_WALK
FORMULA ShieldIIPt-PT-100A-ReachabilityFireability-12 FALSE TECHNIQUES TOPOLOGICAL RANDOM_WALK
FORMULA ShieldIIPt-PT-100A-ReachabilityFireability-11 FALSE TECHNIQUES TOPOLOGICAL RANDOM_WALK
FORMULA ShieldIIPt-PT-100A-ReachabilityFireability-05 TRUE TECHNIQUES TOPOLOGICAL RANDOM_WALK
[2023-03-19 02:14:45] [INFO ] Flatten gal took : 157 ms
[2023-03-19 02:14:45] [INFO ] Time to serialize gal into /tmp/ReachabilityCardinality10120644656507784482.gal : 32 ms
[2023-03-19 02:14:45] [INFO ] Time to serialize properties into /tmp/ReachabilityCardinality18133150492257606016.prop : 2 ms
Invoking ITS tools like this :cd /home/mcc/execution;'/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202303021504/bin/its-reach-linux64' '--gc-threshold' '2000000' '--quiet' '-i' '/tmp/ReachabilityCardinality10120644656507784482.gal' '-t' 'CGAL' '-reachable-file' '/tmp/ReachabilityCardinality18133150492257606016.prop' '--nowitness' '--gen-order' 'FOLLOW'
Incomplete Best-First random walk after 10001 steps, including 2 resets, run finished after 204 ms. (steps per millisecond=49 ) properties (out of 12) seen :0
its-reach command run as :
/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202303021504/bin/its-reach-linux64 --gc-threshold 2000000 --quiet ...330
Incomplete Best-First random walk after 10001 steps, including 2 resets, run finished after 175 ms. (steps per millisecond=57 ) properties (out of 12) seen :0
Loading property file /tmp/ReachabilityCardinality18133150492257606016.prop.
Incomplete Best-First random walk after 10001 steps, including 2 resets, run finished after 213 ms. (steps per millisecond=46 ) properties (out of 12) seen :0
Incomplete Best-First random walk after 10001 steps, including 2 resets, run finished after 192 ms. (steps per millisecond=52 ) properties (out of 12) seen :0
Incomplete Best-First random walk after 10001 steps, including 2 resets, run finished after 164 ms. (steps per millisecond=60 ) properties (out of 12) seen :0
Incomplete Best-First random walk after 10001 steps, including 2 resets, run finished after 135 ms. (steps per millisecond=74 ) properties (out of 12) seen :0
Incomplete Best-First random walk after 10001 steps, including 2 resets, run finished after 142 ms. (steps per millisecond=70 ) properties (out of 12) seen :0
Incomplete Best-First random walk after 10001 steps, including 2 resets, run finished after 138 ms. (steps per millisecond=72 ) properties (out of 12) seen :0
Incomplete Best-First random walk after 10001 steps, including 2 resets, run finished after 185 ms. (steps per millisecond=54 ) properties (out of 12) seen :0
Incomplete Best-First random walk after 10001 steps, including 2 resets, run finished after 172 ms. (steps per millisecond=58 ) properties (out of 12) seen :0
Incomplete Best-First random walk after 10001 steps, including 2 resets, run finished after 182 ms. (steps per millisecond=54 ) properties (out of 12) seen :0
Incomplete Best-First random walk after 10000 steps, including 2 resets, run finished after 160 ms. (steps per millisecond=62 ) properties (out of 12) seen :0
Running SMT prover for 12 properties.
// Phase 1: matrix 1402 rows 1903 cols
[2023-03-19 02:14:47] [INFO ] Computed 901 place invariants in 19 ms
[2023-03-19 02:14:48] [INFO ] After 739ms SMT Verify possible using all constraints in real domain returned unsat :0 sat :0 real:12
[2023-03-19 02:14:49] [INFO ] [Nat]Absence check using 901 positive place invariants in 135 ms returned sat
SDD proceeding with computation,16 properties remain. new max is 4
SDD size :2 after 3
SDD proceeding with computation,16 properties remain. new max is 8
SDD size :4 after 12
SDD proceeding with computation,16 properties remain. new max is 16
SDD size :12 after 25
SDD proceeding with computation,16 properties remain. new max is 32
SDD size :25 after 51
Reachability property ShieldIIPt-PT-100A-ReachabilityFireability-09 is true.
FORMULA ShieldIIPt-PT-100A-ReachabilityFireability-09 TRUE TECHNIQUES DECISION_DIAGRAMS TOPOLOGICAL COLLATERAL_PROCESSING
SDD proceeding with computation,15 properties remain. new max is 32
SDD size :51 after 100
Reachability property ShieldIIPt-PT-100A-ReachabilityFireability-06 is true.
FORMULA ShieldIIPt-PT-100A-ReachabilityFireability-06 TRUE TECHNIQUES DECISION_DIAGRAMS TOPOLOGICAL COLLATERAL_PROCESSING
SDD proceeding with computation,14 properties remain. new max is 32
SDD size :100 after 150
SDD proceeding with computation,14 properties remain. new max is 64
SDD size :150 after 199
Reachability property ShieldIIPt-PT-100A-ReachabilityFireability-15 is true.
FORMULA ShieldIIPt-PT-100A-ReachabilityFireability-15 TRUE TECHNIQUES DECISION_DIAGRAMS TOPOLOGICAL COLLATERAL_PROCESSING
Invariant property ShieldIIPt-PT-100A-ReachabilityFireability-12 does not hold.
SDD proceeding with computation,12 properties remain. new max is 64
SDD size :199 after 297
SDD proceeding with computation,12 properties remain. new max is 128
SDD size :297 after 581
SDD proceeding with computation,12 properties remain. new max is 256
SDD size :581 after 22734
SDD proceeding with computation,12 properties remain. new max is 512
SDD size :22734 after 775972
SDD proceeding with computation,12 properties remain. new max is 1024
SDD size :775972 after 3.34496e+11
[2023-03-19 02:14:57] [INFO ] After 7977ms SMT Verify possible using state equation in natural domain returned unsat :0 sat :12
[2023-03-19 02:15:04] [INFO ] After 14806ms SMT Verify possible using trap constraints in natural domain returned unsat :0 sat :12
Attempting to minimize the solution found.
Minimization took 4706 ms.
[2023-03-19 02:15:09] [INFO ] After 20780ms SMT Verify possible using all constraints in natural domain returned unsat :0 sat :12
Parikh walk visited 0 properties in 5037 ms.
Support contains 388 out of 1903 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 1903/1903 places, 1402/1402 transitions.
Performed 1 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 0 with 1 Pre rules applied. Total rules applied 0 place count 1903 transition count 1401
Deduced a syphon composed of 1 places in 5 ms
Reduce places removed 1 places and 0 transitions.
Iterating global reduction 0 with 2 rules applied. Total rules applied 2 place count 1902 transition count 1401
Performed 1 Post agglomeration using F-continuation condition.Transition count delta: 1
Deduced a syphon composed of 1 places in 5 ms
Reduce places removed 1 places and 0 transitions.
Iterating global reduction 0 with 2 rules applied. Total rules applied 4 place count 1901 transition count 1400
Partial Free-agglomeration rule applied 142 times.
Drop transitions removed 142 transitions
Iterating global reduction 0 with 142 rules applied. Total rules applied 146 place count 1901 transition count 1400
Applied a total of 146 rules in 360 ms. Remains 1901 /1903 variables (removed 2) and now considering 1400/1402 (removed 2) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 360 ms. Remains : 1901/1903 places, 1400/1402 transitions.
Incomplete random walk after 10000 steps, including 2 resets, run finished after 395 ms. (steps per millisecond=25 ) properties (out of 9) seen :0
Incomplete Best-First random walk after 10001 steps, including 2 resets, run finished after 162 ms. (steps per millisecond=61 ) properties (out of 9) seen :0
Incomplete Best-First random walk after 10001 steps, including 2 resets, run finished after 151 ms. (steps per millisecond=66 ) properties (out of 9) seen :0
Incomplete Best-First random walk after 10000 steps, including 2 resets, run finished after 182 ms. (steps per millisecond=54 ) properties (out of 9) seen :0
Incomplete Best-First random walk after 10000 steps, including 2 resets, run finished after 153 ms. (steps per millisecond=65 ) properties (out of 9) seen :0
Incomplete Best-First random walk after 10001 steps, including 2 resets, run finished after 138 ms. (steps per millisecond=72 ) properties (out of 9) seen :0
Incomplete Best-First random walk after 10001 steps, including 2 resets, run finished after 133 ms. (steps per millisecond=75 ) properties (out of 9) seen :0
Incomplete Best-First random walk after 10001 steps, including 2 resets, run finished after 134 ms. (steps per millisecond=74 ) properties (out of 9) seen :0
Incomplete Best-First random walk after 10001 steps, including 2 resets, run finished after 172 ms. (steps per millisecond=58 ) properties (out of 9) seen :0
Incomplete Best-First random walk after 10001 steps, including 2 resets, run finished after 199 ms. (steps per millisecond=50 ) properties (out of 9) seen :0
Interrupted probabilistic random walk after 78717 steps, run timeout after 3002 ms. (steps per millisecond=26 ) properties seen :{0=1, 1=1, 3=1, 4=1, 6=1}
Probabilistic random walk after 78717 steps, saw 77351 distinct states, run finished after 3003 ms. (steps per millisecond=26 ) properties seen :5
FORMULA ShieldIIPt-PT-100A-ReachabilityFireability-08 TRUE TECHNIQUES TOPOLOGICAL PROBABILISTIC_WALK
FORMULA ShieldIIPt-PT-100A-ReachabilityFireability-04 TRUE TECHNIQUES TOPOLOGICAL PROBABILISTIC_WALK
FORMULA ShieldIIPt-PT-100A-ReachabilityFireability-03 TRUE TECHNIQUES TOPOLOGICAL PROBABILISTIC_WALK
FORMULA ShieldIIPt-PT-100A-ReachabilityFireability-01 FALSE TECHNIQUES TOPOLOGICAL PROBABILISTIC_WALK
FORMULA ShieldIIPt-PT-100A-ReachabilityFireability-00 TRUE TECHNIQUES TOPOLOGICAL PROBABILISTIC_WALK
Running SMT prover for 4 properties.
// Phase 1: matrix 1400 rows 1901 cols
[2023-03-19 02:15:19] [INFO ] Computed 901 place invariants in 7 ms
[2023-03-19 02:15:19] [INFO ] After 430ms SMT Verify possible using all constraints in real domain returned unsat :0 sat :0 real:4
[2023-03-19 02:15:20] [INFO ] [Nat]Absence check using 901 positive place invariants in 210 ms returned sat
[2023-03-19 02:15:24] [INFO ] After 3939ms SMT Verify possible using state equation in natural domain returned unsat :0 sat :4
[2023-03-19 02:15:24] [INFO ] State equation strengthened by 69 read => feed constraints.
[2023-03-19 02:15:27] [INFO ] After 2701ms SMT Verify possible using 69 Read/Feed constraints in natural domain returned unsat :0 sat :4
[2023-03-19 02:15:32] [INFO ] After 8024ms SMT Verify possible using trap constraints in natural domain returned unsat :0 sat :4
Attempting to minimize the solution found.
Minimization took 2850 ms.
[2023-03-19 02:15:35] [INFO ] After 15658ms SMT Verify possible using all constraints in natural domain returned unsat :0 sat :4
Parikh walk visited 0 properties in 1452 ms.
Support contains 277 out of 1901 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 1901/1901 places, 1400/1400 transitions.
Partial Free-agglomeration rule applied 17 times.
Drop transitions removed 17 transitions
Iterating global reduction 0 with 17 rules applied. Total rules applied 17 place count 1901 transition count 1400
Applied a total of 17 rules in 199 ms. Remains 1901 /1901 variables (removed 0) and now considering 1400/1400 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 199 ms. Remains : 1901/1901 places, 1400/1400 transitions.
Incomplete random walk after 10000 steps, including 2 resets, run finished after 245 ms. (steps per millisecond=40 ) properties (out of 4) seen :0
Incomplete Best-First random walk after 10000 steps, including 2 resets, run finished after 154 ms. (steps per millisecond=64 ) properties (out of 4) seen :0
Incomplete Best-First random walk after 10001 steps, including 2 resets, run finished after 120 ms. (steps per millisecond=83 ) properties (out of 4) seen :0
Incomplete Best-First random walk after 10001 steps, including 2 resets, run finished after 143 ms. (steps per millisecond=69 ) properties (out of 4) seen :0
Incomplete Best-First random walk after 10001 steps, including 2 resets, run finished after 155 ms. (steps per millisecond=64 ) properties (out of 4) seen :0
Interrupted probabilistic random walk after 101275 steps, run timeout after 3001 ms. (steps per millisecond=33 ) properties seen :{1=1}
Probabilistic random walk after 101275 steps, saw 99786 distinct states, run finished after 3001 ms. (steps per millisecond=33 ) properties seen :1
FORMULA ShieldIIPt-PT-100A-ReachabilityFireability-07 TRUE TECHNIQUES TOPOLOGICAL PROBABILISTIC_WALK
Running SMT prover for 3 properties.
// Phase 1: matrix 1400 rows 1901 cols
[2023-03-19 02:15:41] [INFO ] Computed 901 place invariants in 15 ms
[2023-03-19 02:15:41] [INFO ] After 315ms SMT Verify possible using all constraints in real domain returned unsat :0 sat :0 real:3
[2023-03-19 02:15:42] [INFO ] [Nat]Absence check using 901 positive place invariants in 349 ms returned sat
[2023-03-19 02:15:45] [INFO ] After 3027ms SMT Verify possible using state equation in natural domain returned unsat :0 sat :3
[2023-03-19 02:15:45] [INFO ] State equation strengthened by 78 read => feed constraints.
[2023-03-19 02:15:47] [INFO ] After 1982ms SMT Verify possible using 78 Read/Feed constraints in natural domain returned unsat :0 sat :3
[2023-03-19 02:15:50] [INFO ] After 5649ms SMT Verify possible using trap constraints in natural domain returned unsat :0 sat :3
Attempting to minimize the solution found.
Minimization took 2417 ms.
[2023-03-19 02:15:53] [INFO ] After 11942ms SMT Verify possible using all constraints in natural domain returned unsat :0 sat :3
Parikh walk visited 0 properties in 892 ms.
Support contains 275 out of 1901 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 1901/1901 places, 1400/1400 transitions.
Partial Free-agglomeration rule applied 1 times.
Drop transitions removed 1 transitions
Iterating global reduction 0 with 1 rules applied. Total rules applied 1 place count 1901 transition count 1400
Applied a total of 1 rules in 97 ms. Remains 1901 /1901 variables (removed 0) and now considering 1400/1400 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 97 ms. Remains : 1901/1901 places, 1400/1400 transitions.
Incomplete random walk after 10000 steps, including 2 resets, run finished after 195 ms. (steps per millisecond=51 ) properties (out of 3) seen :0
Incomplete Best-First random walk after 10000 steps, including 2 resets, run finished after 140 ms. (steps per millisecond=71 ) properties (out of 3) seen :0
Incomplete Best-First random walk after 10001 steps, including 2 resets, run finished after 157 ms. (steps per millisecond=63 ) properties (out of 3) seen :0
Incomplete Best-First random walk after 10001 steps, including 2 resets, run finished after 154 ms. (steps per millisecond=64 ) properties (out of 3) seen :0
Interrupted probabilistic random walk after 110872 steps, run timeout after 3001 ms. (steps per millisecond=36 ) properties seen :{}
Probabilistic random walk after 110872 steps, saw 109317 distinct states, run finished after 3002 ms. (steps per millisecond=36 ) properties seen :0
Running SMT prover for 3 properties.
// Phase 1: matrix 1400 rows 1901 cols
[2023-03-19 02:15:58] [INFO ] Computed 901 place invariants in 11 ms
[2023-03-19 02:15:58] [INFO ] After 365ms SMT Verify possible using all constraints in real domain returned unsat :0 sat :0 real:3
[2023-03-19 02:15:59] [INFO ] [Nat]Absence check using 901 positive place invariants in 198 ms returned sat
[2023-03-19 02:16:02] [INFO ] After 3131ms SMT Verify possible using state equation in natural domain returned unsat :0 sat :3
[2023-03-19 02:16:02] [INFO ] State equation strengthened by 78 read => feed constraints.
[2023-03-19 02:16:04] [INFO ] After 2400ms SMT Verify possible using 78 Read/Feed constraints in natural domain returned unsat :0 sat :3
[2023-03-19 02:16:11] [INFO ] After 8724ms SMT Verify possible using trap constraints in natural domain returned unsat :0 sat :3
Attempting to minimize the solution found.
Minimization took 3832 ms.
[2023-03-19 02:16:14] [INFO ] After 16425ms SMT Verify possible using all constraints in natural domain returned unsat :0 sat :3
Parikh walk visited 0 properties in 847 ms.
Support contains 275 out of 1901 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 1901/1901 places, 1400/1400 transitions.
Applied a total of 0 rules in 81 ms. Remains 1901 /1901 variables (removed 0) and now considering 1400/1400 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 82 ms. Remains : 1901/1901 places, 1400/1400 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 1901/1901 places, 1400/1400 transitions.
Applied a total of 0 rules in 62 ms. Remains 1901 /1901 variables (removed 0) and now considering 1400/1400 (removed 0) transitions.
[2023-03-19 02:16:15] [INFO ] Invariant cache hit.
[2023-03-19 02:16:17] [INFO ] Implicit Places using invariants in 1591 ms returned [1893, 1894]
Discarding 2 places :
Implicit Place search using SMT only with invariants took 1598 ms to find 2 implicit places.
Starting structural reductions in REACHABILITY mode, iteration 1 : 1899/1901 places, 1400/1400 transitions.
Applied a total of 0 rules in 67 ms. Remains 1899 /1899 variables (removed 0) and now considering 1400/1400 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 2 iterations and 1728 ms. Remains : 1899/1901 places, 1400/1400 transitions.
Incomplete random walk after 10000 steps, including 2 resets, run finished after 217 ms. (steps per millisecond=46 ) properties (out of 3) seen :0
Incomplete Best-First random walk after 10001 steps, including 2 resets, run finished after 140 ms. (steps per millisecond=71 ) properties (out of 3) seen :0
Incomplete Best-First random walk after 10001 steps, including 2 resets, run finished after 140 ms. (steps per millisecond=71 ) properties (out of 3) seen :0
Incomplete Best-First random walk after 10001 steps, including 2 resets, run finished after 141 ms. (steps per millisecond=70 ) properties (out of 3) seen :0
Interrupted probabilistic random walk after 97817 steps, run timeout after 3002 ms. (steps per millisecond=32 ) properties seen :{}
Probabilistic random walk after 97817 steps, saw 96346 distinct states, run finished after 3003 ms. (steps per millisecond=32 ) properties seen :0
Running SMT prover for 3 properties.
// Phase 1: matrix 1400 rows 1899 cols
[2023-03-19 02:16:21] [INFO ] Computed 899 place invariants in 5 ms
[2023-03-19 02:16:21] [INFO ] After 403ms SMT Verify possible using all constraints in real domain returned unsat :0 sat :0 real:3
[2023-03-19 02:16:22] [INFO ] [Nat]Absence check using 899 positive place invariants in 229 ms returned sat
[2023-03-19 02:16:25] [INFO ] After 2862ms SMT Verify possible using state equation in natural domain returned unsat :0 sat :3
[2023-03-19 02:16:25] [INFO ] State equation strengthened by 75 read => feed constraints.
[2023-03-19 02:16:27] [INFO ] After 2437ms SMT Verify possible using 75 Read/Feed constraints in natural domain returned unsat :0 sat :3
[2023-03-19 02:16:30] [INFO ] After 5550ms SMT Verify possible using trap constraints in natural domain returned unsat :0 sat :3
Attempting to minimize the solution found.
Minimization took 3180 ms.
[2023-03-19 02:16:33] [INFO ] After 12295ms SMT Verify possible using all constraints in natural domain returned unsat :0 sat :3
Parikh walk visited 0 properties in 803 ms.
Support contains 275 out of 1899 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 1899/1899 places, 1400/1400 transitions.
Applied a total of 0 rules in 59 ms. Remains 1899 /1899 variables (removed 0) and now considering 1400/1400 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 59 ms. Remains : 1899/1899 places, 1400/1400 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 1899/1899 places, 1400/1400 transitions.
Applied a total of 0 rules in 97 ms. Remains 1899 /1899 variables (removed 0) and now considering 1400/1400 (removed 0) transitions.
[2023-03-19 02:16:34] [INFO ] Invariant cache hit.
[2023-03-19 02:16:36] [INFO ] Implicit Places using invariants in 1474 ms returned []
[2023-03-19 02:16:36] [INFO ] Invariant cache hit.
[2023-03-19 02:16:37] [INFO ] State equation strengthened by 75 read => feed constraints.
[2023-03-19 02:16:42] [INFO ] Implicit Places using invariants and state equation in 6081 ms returned []
Implicit Place search using SMT with State Equation took 7565 ms to find 0 implicit places.
[2023-03-19 02:16:42] [INFO ] Redundant transitions in 112 ms returned []
[2023-03-19 02:16:42] [INFO ] Invariant cache hit.
[2023-03-19 02:16:44] [INFO ] Dead Transitions using invariants and state equation in 1395 ms found 0 transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 9178 ms. Remains : 1899/1899 places, 1400/1400 transitions.
Partial Free-agglomeration rule applied 62 times.
Drop transitions removed 62 transitions
Iterating global reduction 0 with 62 rules applied. Total rules applied 62 place count 1899 transition count 1400
Drop transitions removed 62 transitions
Redundant transition composition rules discarded 62 transitions
Iterating global reduction 0 with 62 rules applied. Total rules applied 124 place count 1899 transition count 1338
Applied a total of 124 rules in 150 ms. Remains 1899 /1899 variables (removed 0) and now considering 1338/1400 (removed 62) transitions.
Running SMT prover for 3 properties.
// Phase 1: matrix 1338 rows 1899 cols
[2023-03-19 02:16:44] [INFO ] Computed 899 place invariants in 5 ms
[2023-03-19 02:16:44] [INFO ] After 337ms SMT Verify possible using all constraints in real domain returned unsat :0 sat :0 real:3
[2023-03-19 02:16:45] [INFO ] [Nat]Absence check using 899 positive place invariants in 202 ms returned sat
[2023-03-19 02:16:48] [INFO ] After 3585ms SMT Verify possible using state equation in natural domain returned unsat :0 sat :3
[2023-03-19 02:16:51] [INFO ] After 5700ms SMT Verify possible using trap constraints in natural domain returned unsat :0 sat :3
Attempting to minimize the solution found.
Minimization took 2198 ms.
[2023-03-19 02:16:53] [INFO ] After 8764ms SMT Verify possible using all constraints in natural domain returned unsat :0 sat :3
[2023-03-19 02:16:53] [INFO ] Flatten gal took : 160 ms
[2023-03-19 02:16:53] [INFO ] Flatten gal took : 124 ms
[2023-03-19 02:16:53] [INFO ] Time to serialize gal into /tmp/ReachabilityCardinality9877453644631740853.gal : 12 ms
[2023-03-19 02:16:53] [INFO ] Time to serialize properties into /tmp/ReachabilityCardinality7193324645726760190.prop : 1 ms
Invoking ITS tools like this :cd /home/mcc/execution;'/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202303021504/bin/its-reach-linux64' '--gc-threshold' '2000000' '--quiet' '-i' '/tmp/ReachabilityCardinality9877453644631740853.gal' '-t' 'CGAL' '-reachable-file' '/tmp/ReachabilityCardinality7193324645726760190.prop' '--nowitness' '--gen-order' 'FOLLOW'
its-reach command run as :
/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202303021504/bin/its-reach-linux64 --gc-threshold 2000000 --quiet ...328
Loading property file /tmp/ReachabilityCardinality7193324645726760190.prop.
SDD proceeding with computation,3 properties remain. new max is 4
SDD size :3 after 6
SDD proceeding with computation,3 properties remain. new max is 8
SDD size :6 after 14
SDD proceeding with computation,3 properties remain. new max is 16
SDD size :14 after 27
SDD proceeding with computation,3 properties remain. new max is 32
SDD size :27 after 53
SDD proceeding with computation,3 properties remain. new max is 64
SDD size :53 after 102
SDD proceeding with computation,3 properties remain. new max is 128
SDD size :102 after 200
SDD proceeding with computation,3 properties remain. new max is 256
SDD size :200 after 577
SDD proceeding with computation,3 properties remain. new max is 512
SDD size :577 after 173743
SDD proceeding with computation,3 properties remain. new max is 1024
SDD size :173743 after 2.59762e+08
SDD proceeding with computation,3 properties remain. new max is 2048
SDD size :2.59762e+08 after 5.21124e+16
Detected timeout of ITS tools.
[2023-03-19 02:17:08] [INFO ] Flatten gal took : 105 ms
[2023-03-19 02:17:08] [INFO ] Applying decomposition
[2023-03-19 02:17:08] [INFO ] Flatten gal took : 100 ms
Converted graph to binary with : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.louvain.binaries_1.0.0.202303021504/bin/convert-linux64' '-i' '/tmp/graph9309248752261726669.txt' '-o' '/tmp/graph9309248752261726669.bin' '-w' '/tmp/graph9309248752261726669.weights'
Built communities with : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.louvain.binaries_1.0.0.202303021504/bin/louvain-linux64' '/tmp/graph9309248752261726669.bin' '-l' '-1' '-v' '-w' '/tmp/graph9309248752261726669.weights' '-q' '0' '-e' '0.001'
[2023-03-19 02:17:09] [INFO ] Decomposing Gal with order
[2023-03-19 02:17:09] [INFO ] Rewriting arrays to variables to allow decomposition.
[2023-03-19 02:17:09] [INFO ] Removed a total of 381 redundant transitions.
[2023-03-19 02:17:09] [INFO ] Flatten gal took : 143 ms
[2023-03-19 02:17:10] [INFO ] Fuse similar labels procedure discarded/fused a total of 0 labels/synchronizations in 156 ms.
[2023-03-19 02:17:10] [INFO ] Time to serialize gal into /tmp/ReachabilityCardinality17549387732262521882.gal : 37 ms
[2023-03-19 02:17:10] [INFO ] Time to serialize properties into /tmp/ReachabilityCardinality8414817611480774168.prop : 2 ms
Invoking ITS tools like this :cd /home/mcc/execution;'/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202303021504/bin/its-reach-linux64' '--gc-threshold' '2000000' '--quiet' '-i' '/tmp/ReachabilityCardinality17549387732262521882.gal' '-t' 'CGAL' '-reachable-file' '/tmp/ReachabilityCardinality8414817611480774168.prop' '--nowitness'
its-reach command run as :
/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202303021504/bin/its-reach-linux64 --gc-threshold 2000000 --quiet ...308
Loading property file /tmp/ReachabilityCardinality8414817611480774168.prop.
SDD proceeding with computation,3 properties remain. new max is 4
SDD size :1 after 2
SDD proceeding with computation,3 properties remain. new max is 8
SDD size :2 after 2
SDD proceeding with computation,3 properties remain. new max is 16
SDD size :2 after 2
SDD proceeding with computation,3 properties remain. new max is 32
SDD size :2 after 2
SDD proceeding with computation,3 properties remain. new max is 64
SDD size :2 after 1.31072e+08
Detected timeout of ITS tools.
Built C files in :
/tmp/ltsmin7986632266174846377
[2023-03-19 02:17:25] [INFO ] Built C files in 76ms conformant to PINS (ltsmin variant)in folder :/tmp/ltsmin7986632266174846377
Running compilation step : cd /tmp/ltsmin7986632266174846377;'/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.ltsmin.binaries_1.0.0.202303021504/bin/limit_time.pl' '3' 'gcc' '-c' '-I/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.ltsmin.binaries_1.0.0.202303021504/bin/include/' '-I.' '-std=c99' '-fPIC' '-O0' 'model.c'
Compilation finished in 2775 ms.
Running link step : cd /tmp/ltsmin7986632266174846377;'gcc' '-shared' '-o' 'gal.so' 'model.o'
Link finished in 38 ms.
Running LTSmin : cd /tmp/ltsmin7986632266174846377;'/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.ltsmin.binaries_1.0.0.202303021504/bin/pins2lts-mc-linux64' './gal.so' '--threads=8' '--when' '-i' 'ShieldIIPtPT100AReachabilityFireability02==true'
WARNING : LTS min runner thread was asked to interrupt. Dying gracefully.
ITS runner failed with exception null
java.lang.InterruptedException
at java.base/java.lang.Object.wait(Native Method)
at java.base/java.lang.Thread.join(Thread.java:1304)
at java.base/java.lang.Thread.join(Thread.java:1372)
at fr.lip6.move.gal.application.runner.AbstractRunner.join(AbstractRunner.java:27)
at fr.lip6.move.gal.application.runner.its.ITSRunner.join(ITSRunner.java:177)
at fr.lip6.move.gal.application.solver.global.GlobalPropertySolver.verifyWithSDD(GlobalPropertySolver.java:675)
at fr.lip6.move.gal.application.solver.ReachabilitySolver.lambda$2(ReachabilitySolver.java:63)
at java.base/java.lang.Thread.run(Thread.java:833)
[2023-03-19 02:17:40] [INFO ] Flatten gal took : 101 ms
[2023-03-19 02:17:40] [INFO ] Applying decomposition
[2023-03-19 02:17:40] [INFO ] Flatten gal took : 93 ms
Converted graph to binary with : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.louvain.binaries_1.0.0.202303021504/bin/convert-linux64' '-i' '/tmp/graph11652315162777838195.txt' '-o' '/tmp/graph11652315162777838195.bin' '-w' '/tmp/graph11652315162777838195.weights'
Built communities with : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.louvain.binaries_1.0.0.202303021504/bin/louvain-linux64' '/tmp/graph11652315162777838195.bin' '-l' '-1' '-v' '-w' '/tmp/graph11652315162777838195.weights' '-q' '0' '-e' '0.001'
[2023-03-19 02:17:40] [INFO ] Decomposing Gal with order
[2023-03-19 02:17:40] [INFO ] Rewriting arrays to variables to allow decomposition.
[2023-03-19 02:17:41] [INFO ] Removed a total of 300 redundant transitions.
[2023-03-19 02:17:41] [INFO ] Flatten gal took : 85 ms
[2023-03-19 02:17:41] [INFO ] Fuse similar labels procedure discarded/fused a total of 0 labels/synchronizations in 141 ms.
[2023-03-19 02:17:41] [INFO ] Time to serialize gal into /tmp/ReachabilityCardinality3552876573426481383.gal : 20 ms
[2023-03-19 02:17:41] [INFO ] Time to serialize properties into /tmp/ReachabilityCardinality17725668660125696192.prop : 1 ms
Invoking ITS tools like this :cd /home/mcc/execution;'/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202303021504/bin/its-reach-linux64' '--gc-threshold' '2000000' '--quiet' '-i' '/tmp/ReachabilityCardinality3552876573426481383.gal' '-t' 'CGAL' '-reachable-file' '/tmp/ReachabilityCardinality17725668660125696192.prop' '--nowitness'
its-reach command run as :
/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202303021504/bin/its-reach-linux64 --gc-threshold 2000000 --quiet ...308
Loading property file /tmp/ReachabilityCardinality17725668660125696192.prop.
SDD proceeding with computation,3 properties remain. new max is 4
SDD size :1 after 94721
SDD proceeding with computation,3 properties remain. new max is 8
SDD size :94721 after 819201
Reachability property ShieldIIPt-PT-100A-ReachabilityFireability-13 is true.
FORMULA ShieldIIPt-PT-100A-ReachabilityFireability-13 TRUE TECHNIQUES DECISION_DIAGRAMS TOPOLOGICAL COLLATERAL_PROCESSING USE_NUPN
Reachability property ShieldIIPt-PT-100A-ReachabilityFireability-10 is true.
FORMULA ShieldIIPt-PT-100A-ReachabilityFireability-10 TRUE TECHNIQUES DECISION_DIAGRAMS TOPOLOGICAL COLLATERAL_PROCESSING USE_NUPN
Reachability property ShieldIIPt-PT-100A-ReachabilityFireability-02 is true.
FORMULA ShieldIIPt-PT-100A-ReachabilityFireability-02 TRUE TECHNIQUES DECISION_DIAGRAMS TOPOLOGICAL COLLATERAL_PROCESSING USE_NUPN
Found states matching all0 target predicate
Will report total states built up to this point. Computation was interrupted after 9 fixpoint passes
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\_flat,8.29903e+280,2.02798,63856,300,15,130143,384,1502,229565,31,1346,0
Total reachable state count : 8.299031137761985915963190997574022645918e+280
Verifying 3 reachability properties.
Reachability property ShieldIIPt-PT-100A-ReachabilityFireability-02 is true.
Model ,|S| ,Time ,Mem(kb) ,fin. SDD ,fin. DDD ,peak SDD ,peak DDD ,SDD Hom ,SDD cache peak ,DDD Hom ,DDD cachepeak ,SHom cache
ShieldIIPt-PT-100A-ReachabilityFireability-02,1.05177e+267,2.20863,64120,307,27,130143,384,2137,229565,55,1346,0
Reachability property ShieldIIPt-PT-100A-ReachabilityFireability-10 is true.
Model ,|S| ,Time ,Mem(kb) ,fin. SDD ,fin. DDD ,peak SDD ,peak DDD ,SDD Hom ,SDD cache peak ,DDD Hom ,DDD cachepeak ,SHom cache
ShieldIIPt-PT-100A-ReachabilityFireability-10,2.53266e+273,2.23534,64120,255,22,130143,384,2438,229565,55,1346,0
Reachability property ShieldIIPt-PT-100A-ReachabilityFireability-13 is true.
Model ,|S| ,Time ,Mem(kb) ,fin. SDD ,fin. DDD ,peak SDD ,peak DDD ,SDD Hom ,SDD cache peak ,DDD Hom ,DDD cachepeak ,SHom cache
ShieldIIPt-PT-100A-ReachabilityFireability-13,1.068e+272,2.913,64120,299,21,130143,384,2885,229565,57,1346,0
ITS tools runner thread asked to quit. Dying gracefully.
All properties solved without resorting to model-checking.
Total runtime 180194 ms.
BK_STOP 1679192265326
--------------------
content from stderr:
+ export BINDIR=/home/mcc/BenchKit/bin//../itstools/bin//../
+ BINDIR=/home/mcc/BenchKit/bin//../itstools/bin//../
++ pwd
+ export MODEL=/home/mcc/execution
+ MODEL=/home/mcc/execution
+ [[ ReachabilityFireability = StateSpace ]]
+ /home/mcc/BenchKit/bin//../itstools/bin//..//runeclipse.sh /home/mcc/execution ReachabilityFireability -its -ltsmin -greatspnpath /home/mcc/BenchKit/bin//../itstools/bin//..//greatspn/ -order META -manyOrder -smt -timeout 3600
+ ulimit -s 65536
+ [[ -z '' ]]
+ export LTSMIN_MEM_SIZE=8589934592
+ LTSMIN_MEM_SIZE=8589934592
+ export PYTHONPATH=/home/mcc/BenchKit/itstools/pylibs
+ PYTHONPATH=/home/mcc/BenchKit/itstools/pylibs
+ export LD_LIBRARY_PATH=/home/mcc/BenchKit/itstools/pylibs:
+ LD_LIBRARY_PATH=/home/mcc/BenchKit/itstools/pylibs:
++ sed s/.jar//
++ perl -pe 's/.*\.//g'
++ ls /home/mcc/BenchKit/bin//../itstools/bin//..//itstools/plugins/fr.lip6.move.gal.application.pnmcc_1.0.0.202303021504.jar
+ VERSION=202303021504
+ echo 'Running Version 202303021504'
+ /home/mcc/BenchKit/bin//../itstools/bin//..//itstools/its-tools -pnfolder /home/mcc/execution -examination ReachabilityFireability -its -ltsmin -greatspnpath /home/mcc/BenchKit/bin//../itstools/bin//..//greatspn/ -order META -manyOrder -smt -timeout 3600
Sequence of Actions to be Executed by the VM
This is useful if one wants to reexecute the tool in the VM from the submitted image disk.
set -x
# this is for BenchKit: configuration of major elements for the test
export BK_INPUT="ShieldIIPt-PT-100A"
export BK_EXAMINATION="ReachabilityFireability"
export BK_TOOL="itstools"
export BK_RESULT_DIR="/tmp/BK_RESULTS/OUTPUTS"
export BK_TIME_CONFINEMENT="3600"
export BK_MEMORY_CONFINEMENT="16384"
export BK_BIN_PATH="/home/mcc/BenchKit/bin/"
# this is specific to your benchmark or test
export BIN_DIR="$HOME/BenchKit/bin"
# remove the execution directoty if it exists (to avoid increse of .vmdk images)
if [ -d execution ] ; then
rm -rf execution
fi
# this is for BenchKit: explicit launching of the test
echo "====================================================================="
echo " Generated by BenchKit 2-5348"
echo " Executing tool itstools"
echo " Input is ShieldIIPt-PT-100A, examination is ReachabilityFireability"
echo " Time confinement is $BK_TIME_CONFINEMENT seconds"
echo " Memory confinement is 16384 MBytes"
echo " Number of cores is 4"
echo " Run identifier is r389-oct2-167903713400343"
echo "====================================================================="
echo
echo "--------------------"
echo "preparation of the directory to be used:"
tar xzf /home/mcc/BenchKit/INPUTS/ShieldIIPt-PT-100A.tgz
mv ShieldIIPt-PT-100A execution
cd execution
if [ "ReachabilityFireability" = "ReachabilityDeadlock" ] || [ "ReachabilityFireability" = "UpperBounds" ] || [ "ReachabilityFireability" = "QuasiLiveness" ] || [ "ReachabilityFireability" = "StableMarking" ] || [ "ReachabilityFireability" = "Liveness" ] || [ "ReachabilityFireability" = "OneSafe" ] || [ "ReachabilityFireability" = "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 [ "ReachabilityFireability" = "UpperBounds" ] ; then
echo "The expected result is a vector of positive values"
echo NUM_VECTOR
elif [ "ReachabilityFireability" != "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 "ReachabilityFireability.txt" ] ; then
echo "here is the order used to build the result vector(from text file)"
for x in $(grep Property ReachabilityFireability.txt | cut -d ' ' -f 2 | sort -u) ; do
echo "FORMULA_NAME $x"
done
elif [ -f "ReachabilityFireability.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 [ "ReachabilityFireability" = "ReachabilityDeadlock" ] || [ "ReachabilityFireability" = "QuasiLiveness" ] || [ "ReachabilityFireability" = "StableMarking" ] || [ "ReachabilityFireability" = "Liveness" ] || [ "ReachabilityFireability" = "OneSafe" ] ; then
echo "FORMULA_NAME ReachabilityFireability"
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 ;