About the Execution of ITS-LoLa for QuasiCertifProtocol-PT-28
Execution Summary | |||||
Max Memory Used (MB) |
Time wait (ms) | CPU Usage (ms) | I/O Wait (ms) | Computed Result | Execution Status |
15740.730 | 3600000.00 | 739238.00 | 185.50 | TTTFFFTTFTTFTTFF | normal |
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.r176-tajo-158987872400823.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 itslola
Input is QuasiCertifProtocol-PT-28, examination is ReachabilityFireability
Time confinement is 3600 seconds
Memory confinement is 16384 MBytes
Number of cores is 4
Run identifier is r176-tajo-158987872400823
=====================================================================
--------------------
preparation of the directory to be used:
/home/mcc/execution
total 2.4M
-rw-r--r-- 1 mcc users 55K Apr 12 07:02 CTLCardinality.txt
-rw-r--r-- 1 mcc users 212K Apr 12 07:02 CTLCardinality.xml
-rw-r--r-- 1 mcc users 8.7K Apr 11 07:58 CTLFireability.txt
-rw-r--r-- 1 mcc users 42K Apr 11 07:58 CTLFireability.xml
-rw-r--r-- 1 mcc users 4.0K Mar 24 05:37 GenericPropertiesDefinition.xml
-rw-r--r-- 1 mcc users 6.4K Mar 24 05:37 GenericPropertiesVerdict.xml
-rw-r--r-- 1 mcc users 18K Apr 14 12:47 LTLCardinality.txt
-rw-r--r-- 1 mcc users 79K Apr 28 14:02 LTLCardinality.xml
-rw-r--r-- 1 mcc users 7.0K Apr 14 12:47 LTLFireability.txt
-rw-r--r-- 1 mcc users 36K Apr 28 14:02 LTLFireability.xml
-rw-r--r-- 1 mcc users 77K Apr 10 13:55 ReachabilityCardinality.txt
-rw-r--r-- 1 mcc users 293K Apr 10 13:55 ReachabilityCardinality.xml
-rw-r--r-- 1 mcc users 12K Apr 9 20:26 ReachabilityFireability.txt
-rw-r--r-- 1 mcc users 52K Apr 9 20:26 ReachabilityFireability.xml
-rw-r--r-- 1 mcc users 22K Apr 10 22:24 UpperBounds.txt
-rw-r--r-- 1 mcc users 61K Apr 10 22:24 UpperBounds.xml
-rw-r--r-- 1 mcc users 5 Mar 24 05:37 equiv_col
-rw-r--r-- 1 mcc users 3 Mar 24 05:37 instance
-rw-r--r-- 1 mcc users 6 Mar 24 05:37 iscolored
-rw-r--r-- 1 mcc users 1.4M 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 QuasiCertifProtocol-PT-28-ReachabilityFireability-00
FORMULA_NAME QuasiCertifProtocol-PT-28-ReachabilityFireability-01
FORMULA_NAME QuasiCertifProtocol-PT-28-ReachabilityFireability-02
FORMULA_NAME QuasiCertifProtocol-PT-28-ReachabilityFireability-03
FORMULA_NAME QuasiCertifProtocol-PT-28-ReachabilityFireability-04
FORMULA_NAME QuasiCertifProtocol-PT-28-ReachabilityFireability-05
FORMULA_NAME QuasiCertifProtocol-PT-28-ReachabilityFireability-06
FORMULA_NAME QuasiCertifProtocol-PT-28-ReachabilityFireability-07
FORMULA_NAME QuasiCertifProtocol-PT-28-ReachabilityFireability-08
FORMULA_NAME QuasiCertifProtocol-PT-28-ReachabilityFireability-09
FORMULA_NAME QuasiCertifProtocol-PT-28-ReachabilityFireability-10
FORMULA_NAME QuasiCertifProtocol-PT-28-ReachabilityFireability-11
FORMULA_NAME QuasiCertifProtocol-PT-28-ReachabilityFireability-12
FORMULA_NAME QuasiCertifProtocol-PT-28-ReachabilityFireability-13
FORMULA_NAME QuasiCertifProtocol-PT-28-ReachabilityFireability-14
FORMULA_NAME QuasiCertifProtocol-PT-28-ReachabilityFireability-15
=== Now, execution of the tool begins
BK_START 1591184004255
bash -c /home/mcc/BenchKit/BenchKit_head.sh 2> STDERR ; echo ; echo -n "BK_STOP " ; date -u +%s%3N
[2020-06-03 11:33:25] [INFO ] Running its-tools with arguments : [-pnfolder, /home/mcc/execution, -examination, ReachabilityFireability, -z3path, /home/mcc/BenchKit//z3/bin/z3, -yices2path, /home/mcc/BenchKit//yices/bin/yices, -timeout, 3600, -rebuildPNML]
[2020-06-03 11:33:25] [INFO ] Parsing pnml file : /home/mcc/execution/model.pnml
[2020-06-03 11:33:25] [INFO ] Load time of PNML (sax parser for PT used): 125 ms
[2020-06-03 11:33:25] [INFO ] Transformed 2998 places.
[2020-06-03 11:33:25] [INFO ] Transformed 446 transitions.
[2020-06-03 11:33:25] [INFO ] Parsed PT model containing 2998 places and 446 transitions in 168 ms.
Parsed 16 properties from file /home/mcc/execution/ReachabilityFireability.xml in 44 ms.
Working with output stream class java.io.PrintStream
Incomplete random walk after 10000 steps, including 301 resets, run finished after 201 ms. (steps per millisecond=49 ) properties seen :[0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0]
Incomplete Best-First random walk after 10001 steps, including 8 resets, run finished after 248 ms. (steps per millisecond=40 ) properties seen :[0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0]
Incomplete Best-First random walk after 10001 steps, including 13 resets, run finished after 90 ms. (steps per millisecond=111 ) properties seen :[0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0]
Incomplete Best-First random walk after 10001 steps, including 11 resets, run finished after 56 ms. (steps per millisecond=178 ) properties seen :[0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0]
Incomplete Best-First random walk after 10001 steps, including 14 resets, run finished after 119 ms. (steps per millisecond=84 ) properties seen :[0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0]
Incomplete Best-First random walk after 10001 steps, including 12 resets, run finished after 549 ms. (steps per millisecond=18 ) properties seen :[0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0]
Incomplete Best-First random walk after 10001 steps, including 8 resets, run finished after 259 ms. (steps per millisecond=38 ) properties seen :[0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0]
Incomplete Best-First random walk after 10001 steps, including 11 resets, run finished after 31 ms. (steps per millisecond=322 ) properties seen :[0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0]
Incomplete Best-First random walk after 10001 steps, including 11 resets, run finished after 25 ms. (steps per millisecond=400 ) properties seen :[0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0]
Incomplete Best-First random walk after 10001 steps, including 7 resets, run finished after 29 ms. (steps per millisecond=344 ) properties seen :[0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0]
Incomplete Best-First random walk after 10001 steps, including 14 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, 0, 0, 0]
Incomplete Best-First random walk after 10001 steps, including 12 resets, run finished after 39 ms. (steps per millisecond=256 ) properties seen :[0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0]
Incomplete Best-First random walk after 10001 steps, including 15 resets, run finished after 66 ms. (steps per millisecond=151 ) properties seen :[0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0]
Incomplete Best-First random walk after 10000 steps, including 12 resets, run finished after 35 ms. (steps per millisecond=285 ) properties seen :[0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0]
Incomplete Best-First random walk after 10001 steps, including 11 resets, run finished after 17 ms. (steps per millisecond=588 ) properties seen :[0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0]
Incomplete Best-First random walk after 10001 steps, including 15 resets, run finished after 37 ms. (steps per millisecond=270 ) properties seen :[0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0]
Incomplete Best-First random walk after 10001 steps, including 13 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, 0, 0, 0]
Interrupted probabilistic random walk after 8939183 steps, run timeout after 30001 ms. (steps per millisecond=297 ) properties seen :[0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0]
Probabilistic random walk after 8939183 steps, saw 1057839 distinct states, run finished after 30001 ms. (steps per millisecond=297 ) properties seen :[0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0]
// Phase 1: matrix 446 rows 2998 cols
[2020-06-03 11:33:57] [INFO ] Computed 2553 place invariants in 129 ms
[2020-06-03 11:33:58] [INFO ] [Real]Absence check using 32 positive place invariants in 332 ms returned sat
[2020-06-03 11:34:03] [INFO ] SMT solver returned unknown. Retrying;
[2020-06-03 11:34:03] [INFO ] [Real]Absence check using 32 positive and 2521 generalized place invariants in 4323 ms returned (error "Failed to check-sat")
[2020-06-03 11:34:03] [INFO ] [Real]Adding state equation constraints to refine reachable states.
[2020-06-03 11:34:03] [WARNING] SMT solver failed with error :java.lang.RuntimeException: SMT solver raised an error when submitting script. Raised (error "Error writing to Z3 solver: java.io.IOException: Stream closed") while checking expression at index 0
[2020-06-03 11:34:03] [INFO ] [Real]Absence check using 32 positive place invariants in 135 ms returned sat
[2020-06-03 11:34:08] [INFO ] SMT solver returned unknown. Retrying;
[2020-06-03 11:34:08] [INFO ] [Real]Absence check using 32 positive and 2521 generalized place invariants in 4432 ms returned (error "Failed to check-sat")
[2020-06-03 11:34:08] [INFO ] [Real]Adding state equation constraints to refine reachable states.
[2020-06-03 11:34:08] [WARNING] SMT solver failed with error :java.lang.RuntimeException: SMT solver raised an error when submitting script. Raised (error "Error writing to Z3 solver: java.io.IOException: Stream closed") while checking expression at index 1
[2020-06-03 11:34:08] [INFO ] [Real]Absence check using 32 positive place invariants in 228 ms returned sat
[2020-06-03 11:34:13] [INFO ] SMT solver returned unknown. Retrying;
[2020-06-03 11:34:13] [INFO ] [Real]Absence check using 32 positive and 2521 generalized place invariants in 4444 ms returned (error "Failed to check-sat")
[2020-06-03 11:34:13] [INFO ] [Real]Adding state equation constraints to refine reachable states.
[2020-06-03 11:34:13] [WARNING] SMT solver failed with error :java.lang.RuntimeException: SMT solver raised an error when submitting script. Raised (error "Error writing to Z3 solver: java.io.IOException: Stream closed") while checking expression at index 2
[2020-06-03 11:34:13] [INFO ] [Real]Absence check using 32 positive place invariants in 168 ms returned sat
[2020-06-03 11:34:18] [INFO ] SMT solver returned unknown. Retrying;
[2020-06-03 11:34:18] [INFO ] [Real]Absence check using 32 positive and 2521 generalized place invariants in 4570 ms returned (error "Failed to check-sat")
[2020-06-03 11:34:18] [INFO ] [Real]Adding state equation constraints to refine reachable states.
[2020-06-03 11:34:18] [WARNING] SMT solver failed with error :java.lang.RuntimeException: SMT solver raised an error when submitting script. Raised (error "Error writing to Z3 solver: java.io.IOException: Stream closed") while checking expression at index 3
[2020-06-03 11:34:18] [INFO ] [Real]Absence check using 32 positive place invariants in 150 ms returned sat
[2020-06-03 11:34:23] [INFO ] SMT solver returned unknown. Retrying;
[2020-06-03 11:34:23] [INFO ] [Real]Absence check using 32 positive and 2521 generalized place invariants in 4589 ms returned (error "Failed to check-sat")
[2020-06-03 11:34:23] [INFO ] [Real]Adding state equation constraints to refine reachable states.
[2020-06-03 11:34:23] [WARNING] SMT solver failed with error :java.lang.RuntimeException: SMT solver raised an error when submitting script. Raised (error "Error writing to Z3 solver: java.io.IOException: Stream closed") while checking expression at index 4
[2020-06-03 11:34:23] [INFO ] [Real]Absence check using 32 positive place invariants in 141 ms returned sat
[2020-06-03 11:34:28] [INFO ] SMT solver returned unknown. Retrying;
[2020-06-03 11:34:28] [INFO ] [Real]Absence check using 32 positive and 2521 generalized place invariants in 4527 ms returned (error "Failed to check-sat")
[2020-06-03 11:34:28] [INFO ] [Real]Adding state equation constraints to refine reachable states.
[2020-06-03 11:34:28] [WARNING] SMT solver failed with error :java.lang.RuntimeException: SMT solver raised an error when submitting script. Raised (error "Error writing to Z3 solver: java.io.IOException: Broken pipe") while checking expression at index 5
[2020-06-03 11:34:28] [INFO ] [Real]Absence check using 32 positive place invariants in 176 ms returned sat
[2020-06-03 11:34:33] [INFO ] SMT solver returned unknown. Retrying;
[2020-06-03 11:34:33] [INFO ] [Real]Absence check using 32 positive and 2521 generalized place invariants in 4561 ms returned unknown
[2020-06-03 11:34:33] [INFO ] [Real]Absence check using 32 positive place invariants in 125 ms returned sat
[2020-06-03 11:34:37] [INFO ] [Real]Absence check using 32 positive and 2521 generalized place invariants in 4367 ms returned sat
[2020-06-03 11:34:37] [INFO ] [Real]Adding state equation constraints to refine reachable states.
[2020-06-03 11:34:38] [INFO ] SMT solver returned unknown. Retrying;
[2020-06-03 11:34:38] [INFO ] [Real]Absence check using state equation in 258 ms returned (error "Failed to check-sat")
[2020-06-03 11:34:38] [INFO ] [Real]Absence check using 32 positive place invariants in 140 ms returned sat
[2020-06-03 11:34:43] [INFO ] [Real]Absence check using 32 positive and 2521 generalized place invariants in 4540 ms returned (error "Failed to check-sat")
[2020-06-03 11:34:43] [INFO ] [Real]Adding state equation constraints to refine reachable states.
[2020-06-03 11:34:43] [WARNING] SMT solver failed with error :java.lang.RuntimeException: SMT solver raised an error when submitting script. Raised (error "Error writing to Z3 solver: java.io.IOException: Stream closed") while checking expression at index 8
[2020-06-03 11:34:43] [INFO ] [Real]Absence check using 32 positive place invariants in 160 ms returned sat
[2020-06-03 11:34:48] [INFO ] [Real]Absence check using 32 positive and 2521 generalized place invariants in 4388 ms returned sat
[2020-06-03 11:34:48] [INFO ] [Real]Adding state equation constraints to refine reachable states.
[2020-06-03 11:34:48] [INFO ] SMT solver returned unknown. Retrying;
[2020-06-03 11:34:48] [INFO ] [Real]Absence check using state equation in 211 ms returned (error "Failed to check-sat")
[2020-06-03 11:34:48] [INFO ] [Real]Absence check using 32 positive place invariants in 100 ms returned sat
[2020-06-03 11:34:53] [WARNING] SMT solver failed with error :java.lang.RuntimeException: SMT solver raised an error when submitting script. Raised (error "Failed to assert expression: java.io.IOException: Stream closed (= (+ s2456 s2784) (+ s2445 s2787))") while checking expression at index 10
[2020-06-03 11:34:53] [INFO ] [Real]Absence check using 32 positive place invariants in 110 ms returned sat
[2020-06-03 11:34:58] [INFO ] [Real]Absence check using 32 positive and 2521 generalized place invariants in 4508 ms returned sat
[2020-06-03 11:34:58] [INFO ] [Real]Adding state equation constraints to refine reachable states.
[2020-06-03 11:34:58] [INFO ] SMT solver returned unknown. Retrying;
[2020-06-03 11:34:58] [INFO ] [Real]Absence check using state equation in 135 ms returned (error "Failed to check-sat")
[2020-06-03 11:34:58] [INFO ] [Real]Absence check using 32 positive place invariants in 81 ms returned sat
[2020-06-03 11:35:02] [INFO ] [Real]Absence check using 32 positive and 2521 generalized place invariants in 4147 ms returned sat
[2020-06-03 11:35:02] [INFO ] [Real]Adding state equation constraints to refine reachable states.
[2020-06-03 11:35:03] [INFO ] [Real]Absence check using state equation in 525 ms returned (error "Solver has unexpectedly terminated")
[2020-06-03 11:35:03] [INFO ] [Real]Absence check using 32 positive place invariants in 160 ms returned sat
[2020-06-03 11:35:08] [INFO ] [Real]Absence check using 32 positive and 2521 generalized place invariants in 4506 ms returned sat
[2020-06-03 11:35:08] [INFO ] [Real]Adding state equation constraints to refine reachable states.
[2020-06-03 11:35:08] [INFO ] [Real]Absence check using state equation in 120 ms returned (error "Solver has unexpectedly terminated")
[2020-06-03 11:35:08] [INFO ] [Real]Absence check using 32 positive place invariants in 98 ms returned sat
[2020-06-03 11:35:13] [INFO ] SMT solver returned unknown. Retrying;
[2020-06-03 11:35:13] [INFO ] [Real]Absence check using 32 positive and 2521 generalized place invariants in 4602 ms returned (error "Failed to check-sat")
[2020-06-03 11:35:13] [INFO ] [Real]Adding state equation constraints to refine reachable states.
[2020-06-03 11:35:13] [WARNING] SMT solver failed with error :java.lang.RuntimeException: SMT solver raised an error when submitting script. Raised (error "Error writing to Z3 solver: java.io.IOException: Stream closed") while checking expression at index 14
[2020-06-03 11:35:13] [INFO ] [Real]Absence check using 32 positive place invariants in 98 ms returned sat
[2020-06-03 11:35:18] [INFO ] SMT solver returned unknown. Retrying;
[2020-06-03 11:35:18] [INFO ] [Real]Absence check using 32 positive and 2521 generalized place invariants in 4520 ms returned (error "Failed to check-sat")
[2020-06-03 11:35:18] [INFO ] [Real]Adding state equation constraints to refine reachable states.
[2020-06-03 11:35:18] [WARNING] SMT solver failed with error :java.lang.RuntimeException: SMT solver raised an error when submitting script. Raised (error "Error writing to Z3 solver: java.io.IOException: Stream closed") while checking expression at index 15
Support contains 2127 out of 2998 places. Attempting structural reductions.
Starting structural reductions, iteration 0 : 2998/2998 places, 446/446 transitions.
Discarding 92 places :
Also discarding 2 output transitions
Drop transitions removed 2 transitions
Graph (complete) has 30318 edges and 2998 vertex of which 2906 are kept as prefixes of interest. Removing 92 places using SCC suffix rule.35 ms
Applied a total of 1 rules in 142 ms. Remains 2906 /2998 variables (removed 92) and now considering 444/446 (removed 2) transitions.
Finished structural reductions, in 1 iterations. Remains : 2906/2998 places, 444/446 transitions.
Incomplete random walk after 1000000 steps, including 30247 resets, run finished after 15361 ms. (steps per millisecond=65 ) properties seen :[0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0]
Interrupted Best-First random walk after 208732 steps, including 174 resets, run timeout after 5001 ms. (steps per millisecond=41 ) properties seen :[0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0]
Interrupted Best-First random walk after 564842 steps, including 659 resets, run timeout after 5001 ms. (steps per millisecond=112 ) properties seen :[0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0]
Incomplete Best-First random walk after 1000001 steps, including 1166 resets, run finished after 2581 ms. (steps per millisecond=387 ) properties seen :[0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0]
Interrupted Best-First random walk after 785825 steps, including 1160 resets, run timeout after 5001 ms. (steps per millisecond=157 ) properties seen :[0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0]
Interrupted Best-First random walk after 94011 steps, including 109 resets, run timeout after 5001 ms. (steps per millisecond=18 ) properties seen :[0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0]
Incomplete Best-First random walk after 1000001 steps, including 835 resets, run finished after 4260 ms. (steps per millisecond=234 ) properties seen :[0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0]
Incomplete Best-First random walk after 1000001 steps, including 1155 resets, run finished after 2483 ms. (steps per millisecond=402 ) properties seen :[0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0]
Incomplete Best-First random walk after 1000001 steps, including 1161 resets, run finished after 2484 ms. (steps per millisecond=402 ) properties seen :[0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0]
Incomplete Best-First random walk after 1000001 steps, including 769 resets, run finished after 2807 ms. (steps per millisecond=356 ) properties seen :[0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0]
Incomplete Best-First random walk after 1000001 steps, including 1467 resets, run finished after 1601 ms. (steps per millisecond=624 ) properties seen :[0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0]
Incomplete Best-First random walk after 1000001 steps, including 1260 resets, run finished after 3859 ms. (steps per millisecond=259 ) properties seen :[0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0]
Incomplete Best-First random walk after 1000001 steps, including 1474 resets, run finished after 2094 ms. (steps per millisecond=477 ) properties seen :[0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0]
Incomplete Best-First random walk after 1000001 steps, including 1469 resets, run finished after 1992 ms. (steps per millisecond=502 ) properties seen :[0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0]
Incomplete Best-First random walk after 1000001 steps, including 1165 resets, run finished after 1507 ms. (steps per millisecond=663 ) properties seen :[0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0]
Incomplete Best-First random walk after 1000001 steps, including 1532 resets, run finished after 3420 ms. (steps per millisecond=292 ) properties seen :[0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0]
Incomplete Best-First random walk after 1000001 steps, including 1552 resets, run finished after 1620 ms. (steps per millisecond=617 ) properties seen :[0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0]
Interrupted probabilistic random walk after 9433605 steps, run timeout after 30001 ms. (steps per millisecond=314 ) properties seen :[0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0]
Probabilistic random walk after 9433605 steps, saw 1109489 distinct states, run finished after 30001 ms. (steps per millisecond=314 ) properties seen :[0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0]
// Phase 1: matrix 444 rows 2906 cols
[2020-06-03 11:36:54] [INFO ] Computed 2464 place invariants in 91 ms
[2020-06-03 11:37:01] [INFO ] [Real]Absence check using 0 positive and 2464 generalized place invariants in 6588 ms returned sat
[2020-06-03 11:37:01] [INFO ] [Real]Adding state equation constraints to refine reachable states.
[2020-06-03 11:37:22] [INFO ] [Real]Absence check using state equation in 20771 ms returned sat
[2020-06-03 11:37:22] [INFO ] Solution in real domain found non-integer solution.
[2020-06-03 11:37:27] [INFO ] [Nat]Absence check using 0 positive and 2464 generalized place invariants in 5003 ms returned sat
[2020-06-03 11:37:27] [INFO ] [Nat]Adding state equation constraints to refine reachable states.
[2020-06-03 11:37:44] [INFO ] [Nat]Absence check using state equation in 16687 ms returned unsat
[2020-06-03 11:37:48] [INFO ] [Real]Absence check using 0 positive and 2464 generalized place invariants in 4151 ms returned sat
[2020-06-03 11:37:48] [INFO ] [Real]Adding state equation constraints to refine reachable states.
[2020-06-03 11:38:03] [INFO ] [Real]Absence check using state equation in 14211 ms returned unsat
[2020-06-03 11:38:07] [INFO ] [Real]Absence check using 0 positive and 2464 generalized place invariants in 3993 ms returned sat
[2020-06-03 11:38:07] [INFO ] [Real]Adding state equation constraints to refine reachable states.
[2020-06-03 11:38:22] [INFO ] [Real]Absence check using state equation in 14951 ms returned sat
[2020-06-03 11:38:22] [INFO ] Solution in real domain found non-integer solution.
[2020-06-03 11:38:26] [INFO ] [Nat]Absence check using 0 positive and 2464 generalized place invariants in 3977 ms returned sat
[2020-06-03 11:38:26] [INFO ] [Nat]Adding state equation constraints to refine reachable states.
[2020-06-03 11:38:41] [INFO ] [Nat]Absence check using state equation in 15252 ms returned sat
[2020-06-03 11:38:42] [INFO ] Computed and/alt/rep : 414/3024/414 causal constraints in 100 ms.
[2020-06-03 11:38:43] [INFO ] Added : 62 causal constraints over 13 iterations in 1646 ms. Result :sat
Attempting to minimize the solution found.
Minimization took 47 ms.
[2020-06-03 11:38:48] [INFO ] [Real]Absence check using 0 positive and 2464 generalized place invariants in 4224 ms returned sat
[2020-06-03 11:38:48] [INFO ] [Real]Adding state equation constraints to refine reachable states.
[2020-06-03 11:39:03] [INFO ] [Real]Absence check using state equation in 15120 ms returned sat
[2020-06-03 11:39:03] [INFO ] Solution in real domain found non-integer solution.
[2020-06-03 11:39:08] [INFO ] [Nat]Absence check using 0 positive and 2464 generalized place invariants in 4076 ms returned sat
[2020-06-03 11:39:08] [INFO ] [Nat]Adding state equation constraints to refine reachable states.
[2020-06-03 11:39:26] [INFO ] [Nat]Absence check using state equation in 18813 ms returned sat
[2020-06-03 11:39:26] [INFO ] Computed and/alt/rep : 414/3024/414 causal constraints in 38 ms.
[2020-06-03 11:39:28] [INFO ] Added : 66 causal constraints over 14 iterations in 1743 ms. Result :sat
Attempting to minimize the solution found.
Minimization took 59 ms.
[2020-06-03 11:39:37] [INFO ] [Real]Absence check using 0 positive and 2464 generalized place invariants in 8191 ms returned sat
[2020-06-03 11:39:37] [INFO ] [Real]Adding state equation constraints to refine reachable states.
[2020-06-03 11:40:06] [INFO ] [Real]Absence check using state equation in 29059 ms returned sat
[2020-06-03 11:40:06] [INFO ] Computed and/alt/rep : 414/3024/414 causal constraints in 43 ms.
[2020-06-03 11:40:13] [INFO ] Added : 207 causal constraints over 42 iterations in 6943 ms. Result :sat
Attempting to minimize the solution found.
Minimization took 73 ms.
[2020-06-03 11:40:18] [INFO ] [Real]Absence check using 0 positive and 2464 generalized place invariants in 4268 ms returned sat
[2020-06-03 11:40:18] [INFO ] [Real]Adding state equation constraints to refine reachable states.
[2020-06-03 11:40:32] [INFO ] [Real]Absence check using state equation in 13903 ms returned unsat
[2020-06-03 11:40:36] [INFO ] [Real]Absence check using 0 positive and 2464 generalized place invariants in 4396 ms returned sat
[2020-06-03 11:40:36] [INFO ] [Real]Adding state equation constraints to refine reachable states.
[2020-06-03 11:40:50] [INFO ] [Real]Absence check using state equation in 13373 ms returned sat
[2020-06-03 11:40:50] [INFO ] Computed and/alt/rep : 414/3024/414 causal constraints in 33 ms.
[2020-06-03 11:40:55] [INFO ] Added : 178 causal constraints over 36 iterations in 4699 ms. Result :sat
Attempting to minimize the solution found.
Minimization took 52 ms.
[2020-06-03 11:40:59] [INFO ] [Real]Absence check using 0 positive and 2464 generalized place invariants in 3863 ms returned sat
[2020-06-03 11:40:59] [INFO ] [Real]Adding state equation constraints to refine reachable states.
[2020-06-03 11:41:14] [INFO ] [Real]Absence check using state equation in 14636 ms returned sat
[2020-06-03 11:41:14] [INFO ] Solution in real domain found non-integer solution.
[2020-06-03 11:41:18] [INFO ] [Nat]Absence check using 0 positive and 2464 generalized place invariants in 3780 ms returned sat
[2020-06-03 11:41:18] [INFO ] [Nat]Adding state equation constraints to refine reachable states.
[2020-06-03 11:41:33] [INFO ] [Nat]Absence check using state equation in 15622 ms returned sat
[2020-06-03 11:41:33] [INFO ] Computed and/alt/rep : 414/3024/414 causal constraints in 41 ms.
[2020-06-03 11:41:37] [INFO ] Added : 179 causal constraints over 36 iterations in 3969 ms. Result :sat
Attempting to minimize the solution found.
Minimization took 60 ms.
[2020-06-03 11:41:42] [INFO ] [Real]Absence check using 0 positive and 2464 generalized place invariants in 4180 ms returned sat
[2020-06-03 11:41:42] [INFO ] [Real]Adding state equation constraints to refine reachable states.
[2020-06-03 11:41:43] [INFO ] [Real]Absence check using state equation in 599 ms returned unsat
[2020-06-03 11:41:47] [INFO ] [Real]Absence check using 0 positive and 2464 generalized place invariants in 3970 ms returned sat
[2020-06-03 11:41:47] [INFO ] [Real]Adding state equation constraints to refine reachable states.
[2020-06-03 11:42:00] [INFO ] [Real]Absence check using state equation in 12912 ms returned sat
[2020-06-03 11:42:00] [INFO ] Computed and/alt/rep : 414/3024/414 causal constraints in 51 ms.
[2020-06-03 11:42:01] [INFO ] Added : 35 causal constraints over 7 iterations in 881 ms. Result :sat
Attempting to minimize the solution found.
Minimization took 44 ms.
[2020-06-03 11:42:06] [INFO ] [Real]Absence check using 0 positive and 2464 generalized place invariants in 4532 ms returned sat
[2020-06-03 11:42:06] [INFO ] [Real]Adding state equation constraints to refine reachable states.
[2020-06-03 11:42:23] [INFO ] [Real]Absence check using state equation in 17233 ms returned sat
[2020-06-03 11:42:23] [INFO ] Solution in real domain found non-integer solution.
[2020-06-03 11:42:27] [INFO ] [Nat]Absence check using 0 positive and 2464 generalized place invariants in 4028 ms returned sat
[2020-06-03 11:42:27] [INFO ] [Nat]Adding state equation constraints to refine reachable states.
[2020-06-03 11:42:47] [INFO ] [Nat]Absence check using state equation in 19221 ms returned sat
[2020-06-03 11:42:47] [INFO ] Computed and/alt/rep : 414/3024/414 causal constraints in 38 ms.
[2020-06-03 11:42:54] [INFO ] Added : 234 causal constraints over 47 iterations in 7142 ms. Result :sat
Attempting to minimize the solution found.
Minimization took 96 ms.
[2020-06-03 11:42:58] [INFO ] [Real]Absence check using 0 positive and 2464 generalized place invariants in 3968 ms returned sat
[2020-06-03 11:42:58] [INFO ] [Real]Adding state equation constraints to refine reachable states.
[2020-06-03 11:43:06] [INFO ] [Real]Absence check using state equation in 7402 ms returned unsat
[2020-06-03 11:43:10] [INFO ] [Real]Absence check using 0 positive and 2464 generalized place invariants in 4326 ms returned sat
[2020-06-03 11:43:10] [INFO ] [Real]Adding state equation constraints to refine reachable states.
[2020-06-03 11:43:24] [INFO ] [Real]Absence check using state equation in 13644 ms returned sat
[2020-06-03 11:43:24] [INFO ] Computed and/alt/rep : 414/3024/414 causal constraints in 51 ms.
[2020-06-03 11:43:29] [INFO ] Added : 178 causal constraints over 36 iterations in 4763 ms. Result :sat
Attempting to minimize the solution found.
Minimization took 54 ms.
[2020-06-03 11:43:34] [INFO ] [Real]Absence check using 0 positive and 2464 generalized place invariants in 4608 ms returned sat
[2020-06-03 11:43:34] [INFO ] [Real]Adding state equation constraints to refine reachable states.
[2020-06-03 11:43:48] [INFO ] [Real]Absence check using state equation in 14216 ms returned sat
[2020-06-03 11:43:48] [INFO ] Computed and/alt/rep : 414/3024/414 causal constraints in 41 ms.
[2020-06-03 11:43:53] [INFO ] Added : 179 causal constraints over 36 iterations in 4561 ms. Result :sat
Attempting to minimize the solution found.
Minimization took 63 ms.
[2020-06-03 11:43:59] [INFO ] [Real]Absence check using 0 positive and 2464 generalized place invariants in 5326 ms returned sat
[2020-06-03 11:43:59] [INFO ] [Real]Adding state equation constraints to refine reachable states.
[2020-06-03 11:44:14] [INFO ] [Real]Absence check using state equation in 15705 ms returned sat
[2020-06-03 11:44:15] [INFO ] Solution in real domain found non-integer solution.
[2020-06-03 11:44:20] [INFO ] [Nat]Absence check using 0 positive and 2464 generalized place invariants in 5598 ms returned sat
[2020-06-03 11:44:20] [INFO ] [Nat]Adding state equation constraints to refine reachable states.
[2020-06-03 11:44:38] [INFO ] [Nat]Absence check using state equation in 17665 ms returned sat
[2020-06-03 11:44:38] [INFO ] Computed and/alt/rep : 414/3024/414 causal constraints in 34 ms.
[2020-06-03 11:44:40] [INFO ] Added : 95 causal constraints over 19 iterations in 2257 ms. Result :sat
Attempting to minimize the solution found.
Minimization took 56 ms.
[2020-06-03 11:44:46] [INFO ] [Real]Absence check using 0 positive and 2464 generalized place invariants in 4973 ms returned sat
[2020-06-03 11:44:46] [INFO ] [Real]Adding state equation constraints to refine reachable states.
[2020-06-03 11:45:00] [INFO ] [Real]Absence check using state equation in 13942 ms returned sat
[2020-06-03 11:45:00] [INFO ] Computed and/alt/rep : 414/3024/414 causal constraints in 34 ms.
[2020-06-03 11:45:04] [INFO ] Added : 178 causal constraints over 36 iterations in 4181 ms. Result :sat
Attempting to minimize the solution found.
Minimization took 40 ms.
FORMULA QuasiCertifProtocol-PT-28-ReachabilityFireability-11 FALSE TECHNIQUES STRUCTURAL_REDUCTION TOPOLOGICAL SAT_SMT
FORMULA QuasiCertifProtocol-PT-28-ReachabilityFireability-08 FALSE TECHNIQUES STRUCTURAL_REDUCTION TOPOLOGICAL SAT_SMT
FORMULA QuasiCertifProtocol-PT-28-ReachabilityFireability-05 FALSE TECHNIQUES STRUCTURAL_REDUCTION TOPOLOGICAL SAT_SMT
FORMULA QuasiCertifProtocol-PT-28-ReachabilityFireability-01 TRUE TECHNIQUES STRUCTURAL_REDUCTION TOPOLOGICAL SAT_SMT
FORMULA QuasiCertifProtocol-PT-28-ReachabilityFireability-00 TRUE TECHNIQUES STRUCTURAL_REDUCTION TOPOLOGICAL SAT_SMT
Incomplete Parikh walk after 17900 steps, including 162 resets, run finished after 376 ms. (steps per millisecond=47 ) properties seen :[1, 1, 0, 1, 1, 1, 1, 1, 1, 1, 1] could not realise parikh vector
FORMULA QuasiCertifProtocol-PT-28-ReachabilityFireability-15 FALSE TECHNIQUES TOPOLOGICAL PARIKH_WALK
FORMULA QuasiCertifProtocol-PT-28-ReachabilityFireability-14 FALSE TECHNIQUES TOPOLOGICAL PARIKH_WALK
FORMULA QuasiCertifProtocol-PT-28-ReachabilityFireability-13 TRUE TECHNIQUES TOPOLOGICAL PARIKH_WALK
FORMULA QuasiCertifProtocol-PT-28-ReachabilityFireability-12 TRUE TECHNIQUES TOPOLOGICAL PARIKH_WALK
FORMULA QuasiCertifProtocol-PT-28-ReachabilityFireability-10 TRUE TECHNIQUES TOPOLOGICAL PARIKH_WALK
FORMULA QuasiCertifProtocol-PT-28-ReachabilityFireability-09 TRUE TECHNIQUES TOPOLOGICAL PARIKH_WALK
FORMULA QuasiCertifProtocol-PT-28-ReachabilityFireability-07 TRUE TECHNIQUES TOPOLOGICAL PARIKH_WALK
FORMULA QuasiCertifProtocol-PT-28-ReachabilityFireability-06 TRUE TECHNIQUES TOPOLOGICAL PARIKH_WALK
FORMULA QuasiCertifProtocol-PT-28-ReachabilityFireability-03 FALSE TECHNIQUES TOPOLOGICAL PARIKH_WALK
FORMULA QuasiCertifProtocol-PT-28-ReachabilityFireability-02 TRUE TECHNIQUES TOPOLOGICAL PARIKH_WALK
Incomplete Parikh walk after 9600 steps, including 123 resets, run finished after 112 ms. (steps per millisecond=85 ) properties seen :[0] could not realise parikh vector
Incomplete Parikh walk after 18000 steps, including 168 resets, run finished after 317 ms. (steps per millisecond=56 ) properties seen :[0] could not realise parikh vector
Incomplete Parikh walk after 17900 steps, including 172 resets, run finished after 345 ms. (steps per millisecond=51 ) properties seen :[0] could not realise parikh vector
Finished Parikh walk after 209 steps, including 0 resets, run visited all 1 properties in 7 ms. (steps per millisecond=29 )
FORMULA QuasiCertifProtocol-PT-28-ReachabilityFireability-04 FALSE TECHNIQUES TOPOLOGICAL PARIKH_WALK
All properties solved without resorting to model-checking.
--------------------
content from stderr:
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="QuasiCertifProtocol-PT-28"
export BK_EXAMINATION="ReachabilityFireability"
export BK_TOOL="itslola"
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 itslola"
echo " Input is QuasiCertifProtocol-PT-28, 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 r176-tajo-158987872400823"
echo "====================================================================="
echo
echo "--------------------"
echo "preparation of the directory to be used:"
tar xzf /home/mcc/BenchKit/INPUTS/QuasiCertifProtocol-PT-28.tgz
mv QuasiCertifProtocol-PT-28 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 ;