About the Execution of 2020-gold for CloudReconfiguration-PT-316
| Execution Summary | |||||
| Max Memory Used (MB) |
Time wait (ms) | CPU Usage (ms) | I/O Wait (ms) | Computed Result | Execution Status |
| 7852.792 | 3600000.00 | 3771310.00 | 613.40 | FFT?FFFFFTFFTFFF | normal |
Execution Chart
We display below the execution chart for this examination (boot time has been removed).
Trace from the execution
Formatting '/data/fko/mcc2021-input.r056-oct2-162038334900298.qcow2', fmt=qcow2 size=4294967296 backing_file=/data/fko/mcc2021-input.qcow2 cluster_size=65536 lazy_refcounts=off refcount_bits=16
Waiting for the VM to be ready (probing ssh)
..................................................................................................................................................................................................................
=====================================================================
Generated by BenchKit 2-4028
Executing tool gold2020
Input is CloudReconfiguration-PT-316, examination is LTLFireability
Time confinement is 3600 seconds
Memory confinement is 16384 MBytes
Number of cores is 4
Run identifier is r056-oct2-162038334900298
=====================================================================
--------------------
preparation of the directory to be used:
/home/mcc/execution
total 1008K
-rw-r--r-- 1 mcc users 12K May 5 16:58 CTLCardinality.txt
-rw-r--r-- 1 mcc users 98K May 10 09:42 CTLCardinality.xml
-rw-r--r-- 1 mcc users 10K May 5 16:58 CTLFireability.txt
-rw-r--r-- 1 mcc users 86K May 10 09:42 CTLFireability.xml
-rw-r--r-- 1 mcc users 4.2K May 6 14:48 GenericPropertiesDefinition.xml
-rw-r--r-- 1 mcc users 6.8K May 6 14:48 GenericPropertiesVerdict.xml
-rw-r--r-- 1 mcc users 3.6K Mar 28 15:54 LTLCardinality.txt
-rw-r--r-- 1 mcc users 26K Mar 28 15:54 LTLCardinality.xml
-rw-r--r-- 1 mcc users 2.2K Mar 28 15:54 LTLFireability.txt
-rw-r--r-- 1 mcc users 18K Mar 28 15:54 LTLFireability.xml
-rw-r--r-- 1 mcc users 3.7K Mar 23 03:22 ReachabilityCardinality.txt
-rw-r--r-- 1 mcc users 18K Mar 23 03:22 ReachabilityCardinality.xml
-rw-r--r-- 1 mcc users 2.7K Mar 22 12:51 ReachabilityFireability.txt
-rw-r--r-- 1 mcc users 14K Mar 22 12:51 ReachabilityFireability.xml
-rw-r--r-- 1 mcc users 1.8K Mar 22 09:10 UpperBounds.txt
-rw-r--r-- 1 mcc users 3.8K Mar 22 09:10 UpperBounds.xml
-rw-r--r-- 1 mcc users 6 May 5 16:51 equiv_col
-rw-r--r-- 1 mcc users 4 May 5 16:51 instance
-rw-r--r-- 1 mcc users 6 May 5 16:51 iscolored
-rw-r--r-- 1 mcc users 660K May 5 16:51 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 CloudReconfiguration-PT-316-00
FORMULA_NAME CloudReconfiguration-PT-316-01
FORMULA_NAME CloudReconfiguration-PT-316-02
FORMULA_NAME CloudReconfiguration-PT-316-03
FORMULA_NAME CloudReconfiguration-PT-316-04
FORMULA_NAME CloudReconfiguration-PT-316-05
FORMULA_NAME CloudReconfiguration-PT-316-06
FORMULA_NAME CloudReconfiguration-PT-316-07
FORMULA_NAME CloudReconfiguration-PT-316-08
FORMULA_NAME CloudReconfiguration-PT-316-09
FORMULA_NAME CloudReconfiguration-PT-316-10
FORMULA_NAME CloudReconfiguration-PT-316-11
FORMULA_NAME CloudReconfiguration-PT-316-12
FORMULA_NAME CloudReconfiguration-PT-316-13
FORMULA_NAME CloudReconfiguration-PT-316-14
FORMULA_NAME CloudReconfiguration-PT-316-15
=== Now, execution of the tool begins
BK_START 1620907817483
bash -c /home/mcc/BenchKit/BenchKit_head.sh 2> STDERR ; echo ; echo -n "BK_STOP " ; date -u +%s%3N
[2021-05-13 12:10:19] [INFO ] Running its-tools with arguments : [-pnfolder, /home/mcc/execution, -examination, LTLFireability, -z3path, /home/mcc/BenchKit//z3/bin/z3, -yices2path, /home/mcc/BenchKit//yices/bin/yices, -timeout, 3600, -rebuildPNML]
[2021-05-13 12:10:19] [INFO ] Parsing pnml file : /home/mcc/execution/model.pnml
[2021-05-13 12:10:19] [INFO ] Load time of PNML (sax parser for PT used): 124 ms
[2021-05-13 12:10:19] [INFO ] Transformed 2585 places.
[2021-05-13 12:10:19] [INFO ] Transformed 3095 transitions.
[2021-05-13 12:10:19] [INFO ] Found NUPN structural information;
[2021-05-13 12:10:19] [INFO ] Parsed PT model containing 2585 places and 3095 transitions in 171 ms.
Parsed 16 properties from file /home/mcc/execution/LTLFireability.xml in 76 ms.
Working with output stream class java.io.PrintStream
Incomplete random walk after 100000 steps, including 800 resets, run finished after 388 ms. (steps per millisecond=257 ) properties seen :[0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 1, 0, 0, 0, 0, 1, 0, 0, 1, 0, 0, 0, 1, 1, 1, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 1, 1, 0, 0, 0, 0, 0, 0]
// Phase 1: matrix 3095 rows 2585 cols
[2021-05-13 12:10:20] [INFO ] Computed 4 place invariants in 54 ms
[2021-05-13 12:10:20] [INFO ] [Real]Absence check using 0 positive and 4 generalized place invariants in 90 ms returned sat
[2021-05-13 12:10:20] [INFO ] [Real]Adding state equation constraints to refine reachable states.
[2021-05-13 12:10:33] [INFO ] [Real]Absence check using state equation in 12592 ms returned sat
[2021-05-13 12:10:33] [INFO ] Computed and/alt/rep : 3094/4086/3094 causal constraints in 151 ms.
[2021-05-13 12:10:34] [INFO ] Solution in real domain found non-integer solution.
[2021-05-13 12:10:54] [INFO ] SMT solver returned unknown. Retrying;
[2021-05-13 12:10:54] [INFO ] [Nat]Absence check using 0 positive and 4 generalized place invariants in 19736 ms returned (error "Failed to check-sat")
[2021-05-13 12:10:54] [INFO ] [Nat]Adding state equation constraints to refine reachable states.
[2021-05-13 12:10:54] [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 0
[2021-05-13 12:10:54] [INFO ] [Real]Absence check using 0 positive and 4 generalized place invariants in 46 ms returned sat
[2021-05-13 12:10:54] [INFO ] [Real]Adding state equation constraints to refine reachable states.
[2021-05-13 12:11:08] [INFO ] [Real]Absence check using state equation in 13360 ms returned sat
[2021-05-13 12:11:08] [INFO ] Computed and/alt/rep : 3094/4086/3094 causal constraints in 236 ms.
[2021-05-13 12:11:09] [INFO ] Solution in real domain found non-integer solution.
[2021-05-13 12:11:29] [INFO ] SMT solver returned unknown. Retrying;
[2021-05-13 12:11:29] [INFO ] [Nat]Absence check using 0 positive and 4 generalized place invariants in 19797 ms returned (error "Failed to check-sat")
[2021-05-13 12:11:29] [INFO ] [Nat]Adding state equation constraints to refine reachable states.
[2021-05-13 12:11:29] [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
[2021-05-13 12:11:30] [INFO ] [Real]Absence check using 0 positive and 4 generalized place invariants in 57 ms returned sat
[2021-05-13 12:11:30] [INFO ] [Real]Adding state equation constraints to refine reachable states.
[2021-05-13 12:11:49] [INFO ] [Real]Absence check using state equation in 19715 ms returned (error "Solver has unexpectedly terminated")
[2021-05-13 12:11:50] [INFO ] [Real]Absence check using 0 positive and 4 generalized place invariants in 60 ms returned sat
[2021-05-13 12:11:50] [INFO ] [Real]Adding state equation constraints to refine reachable states.
[2021-05-13 12:12:03] [INFO ] [Real]Absence check using state equation in 13130 ms returned sat
[2021-05-13 12:12:03] [INFO ] Computed and/alt/rep : 3094/4086/3094 causal constraints in 262 ms.
[2021-05-13 12:12:04] [INFO ] Solution in real domain found non-integer solution.
[2021-05-13 12:12:24] [INFO ] SMT solver returned unknown. Retrying;
[2021-05-13 12:12:24] [INFO ] [Nat]Absence check using 0 positive and 4 generalized place invariants in 19441 ms returned unknown
[2021-05-13 12:12:25] [INFO ] [Real]Absence check using 0 positive and 4 generalized place invariants in 53 ms returned sat
[2021-05-13 12:12:25] [INFO ] [Real]Adding state equation constraints to refine reachable states.
[2021-05-13 12:12:39] [INFO ] [Real]Absence check using state equation in 14591 ms returned sat
[2021-05-13 12:12:40] [INFO ] Computed and/alt/rep : 3094/4086/3094 causal constraints in 115 ms.
[2021-05-13 12:12:41] [INFO ] Solution in real domain found non-integer solution.
[2021-05-13 12:13:01] [INFO ] SMT solver returned unknown. Retrying;
[2021-05-13 12:13:01] [INFO ] [Nat]Absence check using 0 positive and 4 generalized place invariants in 19811 ms returned unknown
[2021-05-13 12:13:01] [INFO ] [Real]Absence check using 0 positive and 4 generalized place invariants in 62 ms returned sat
[2021-05-13 12:13:01] [INFO ] [Real]Adding state equation constraints to refine reachable states.
[2021-05-13 12:13:16] [INFO ] [Real]Absence check using state equation in 14468 ms returned sat
[2021-05-13 12:13:16] [INFO ] Computed and/alt/rep : 3094/4086/3094 causal constraints in 273 ms.
[2021-05-13 12:13:17] [INFO ] Solution in real domain found non-integer solution.
[2021-05-13 12:13:37] [INFO ] SMT solver returned unknown. Retrying;
[2021-05-13 12:13:37] [INFO ] [Nat]Absence check using 0 positive and 4 generalized place invariants in 19316 ms returned (error "Failed to check-sat")
[2021-05-13 12:13:37] [INFO ] [Nat]Adding state equation constraints to refine reachable states.
[2021-05-13 12:13:37] [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 5
[2021-05-13 12:13:38] [INFO ] [Real]Absence check using 0 positive and 4 generalized place invariants in 46 ms returned sat
[2021-05-13 12:13:38] [INFO ] [Real]Adding state equation constraints to refine reachable states.
[2021-05-13 12:13:52] [INFO ] [Real]Absence check using state equation in 14123 ms returned sat
[2021-05-13 12:13:52] [INFO ] Computed and/alt/rep : 3094/4086/3094 causal constraints in 103 ms.
[2021-05-13 12:13:53] [INFO ] Solution in real domain found non-integer solution.
[2021-05-13 12:14:13] [INFO ] SMT solver returned unknown. Retrying;
[2021-05-13 12:14:13] [INFO ] [Nat]Absence check using 0 positive and 4 generalized place invariants in 19825 ms returned unknown
[2021-05-13 12:14:13] [INFO ] [Real]Absence check using 0 positive and 4 generalized place invariants in 47 ms returned sat
[2021-05-13 12:14:13] [INFO ] [Real]Adding state equation constraints to refine reachable states.
[2021-05-13 12:14:27] [INFO ] [Real]Absence check using state equation in 14096 ms returned sat
[2021-05-13 12:14:28] [INFO ] Computed and/alt/rep : 3094/4086/3094 causal constraints in 116 ms.
[2021-05-13 12:14:29] [INFO ] Solution in real domain found non-integer solution.
[2021-05-13 12:14:49] [INFO ] SMT solver returned unknown. Retrying;
[2021-05-13 12:14:49] [INFO ] [Nat]Absence check using 0 positive and 4 generalized place invariants in 19782 ms returned unknown
[2021-05-13 12:14:49] [INFO ] [Real]Absence check using 0 positive and 4 generalized place invariants in 59 ms returned sat
[2021-05-13 12:14:49] [INFO ] [Real]Adding state equation constraints to refine reachable states.
[2021-05-13 12:15:02] [INFO ] [Real]Absence check using state equation in 12448 ms returned sat
[2021-05-13 12:15:02] [INFO ] Computed and/alt/rep : 3094/4086/3094 causal constraints in 186 ms.
[2021-05-13 12:15:03] [INFO ] Solution in real domain found non-integer solution.
[2021-05-13 12:15:23] [INFO ] SMT solver returned unknown. Retrying;
[2021-05-13 12:15:23] [INFO ] [Nat]Absence check using 0 positive and 4 generalized place invariants in 19411 ms returned unknown
[2021-05-13 12:15:24] [INFO ] [Real]Absence check using 0 positive and 4 generalized place invariants in 61 ms returned sat
[2021-05-13 12:15:24] [INFO ] [Real]Adding state equation constraints to refine reachable states.
[2021-05-13 12:15:37] [INFO ] [Real]Absence check using state equation in 13167 ms returned sat
[2021-05-13 12:15:37] [INFO ] Computed and/alt/rep : 3094/4086/3094 causal constraints in 102 ms.
[2021-05-13 12:15:38] [INFO ] Solution in real domain found non-integer solution.
[2021-05-13 12:15:58] [INFO ] SMT solver returned unknown. Retrying;
[2021-05-13 12:15:58] [INFO ] [Nat]Absence check using 0 positive and 4 generalized place invariants in 19823 ms returned unknown
[2021-05-13 12:15:59] [INFO ] [Real]Absence check using 0 positive and 4 generalized place invariants in 108 ms returned sat
[2021-05-13 12:15:59] [INFO ] [Real]Adding state equation constraints to refine reachable states.
[2021-05-13 12:16:14] [INFO ] [Real]Absence check using state equation in 15088 ms returned sat
[2021-05-13 12:16:14] [INFO ] Computed and/alt/rep : 3094/4086/3094 causal constraints in 120 ms.
[2021-05-13 12:16:15] [INFO ] Solution in real domain found non-integer solution.
[2021-05-13 12:16:35] [INFO ] SMT solver returned unknown. Retrying;
[2021-05-13 12:16:35] [INFO ] [Nat]Absence check using 0 positive and 4 generalized place invariants in 19462 ms returned unknown
[2021-05-13 12:16:35] [INFO ] [Real]Absence check using 0 positive and 4 generalized place invariants in 51 ms returned sat
[2021-05-13 12:16:35] [INFO ] [Real]Adding state equation constraints to refine reachable states.
[2021-05-13 12:16:54] [INFO ] [Real]Absence check using state equation in 18476 ms returned sat
[2021-05-13 12:16:54] [INFO ] Computed and/alt/rep : 3094/4086/3094 causal constraints in 162 ms.
[2021-05-13 12:16:55] [INFO ] Solution in real domain found non-integer solution.
[2021-05-13 12:17:15] [INFO ] SMT solver returned unknown. Retrying;
[2021-05-13 12:17:15] [INFO ] [Nat]Absence check using 0 positive and 4 generalized place invariants in 19757 ms returned (error "Solver has unexpectedly terminated")
[2021-05-13 12:17:15] [INFO ] [Nat]Adding state equation constraints to refine reachable states.
[2021-05-13 12:17:15] [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 11
[2021-05-13 12:17:16] [INFO ] [Real]Absence check using 0 positive and 4 generalized place invariants in 117 ms returned sat
[2021-05-13 12:17:16] [INFO ] [Real]Adding state equation constraints to refine reachable states.
[2021-05-13 12:17:29] [INFO ] [Real]Absence check using state equation in 13144 ms returned sat
[2021-05-13 12:17:29] [INFO ] Computed and/alt/rep : 3094/4086/3094 causal constraints in 117 ms.
[2021-05-13 12:17:30] [INFO ] Solution in real domain found non-integer solution.
[2021-05-13 12:17:50] [INFO ] SMT solver returned unknown. Retrying;
[2021-05-13 12:17:50] [INFO ] [Nat]Absence check using 0 positive and 4 generalized place invariants in 19792 ms returned unknown
[2021-05-13 12:17:51] [INFO ] [Real]Absence check using 0 positive and 4 generalized place invariants in 68 ms returned sat
[2021-05-13 12:17:51] [INFO ] [Real]Adding state equation constraints to refine reachable states.
[2021-05-13 12:18:09] [INFO ] [Real]Absence check using state equation in 18200 ms returned sat
[2021-05-13 12:18:09] [INFO ] Computed and/alt/rep : 3094/4086/3094 causal constraints in 269 ms.
[2021-05-13 12:18:10] [INFO ] Solution in real domain found non-integer solution.
[2021-05-13 12:18:30] [INFO ] SMT solver returned unknown. Retrying;
[2021-05-13 12:18:30] [INFO ] [Nat]Absence check using 0 positive and 4 generalized place invariants in 19433 ms returned unknown
[2021-05-13 12:18:31] [INFO ] [Real]Absence check using 0 positive and 4 generalized place invariants in 46 ms returned sat
[2021-05-13 12:18:31] [INFO ] [Real]Adding state equation constraints to refine reachable states.
[2021-05-13 12:18:47] [INFO ] [Real]Absence check using state equation in 16681 ms returned sat
[2021-05-13 12:18:47] [INFO ] Computed and/alt/rep : 3094/4086/3094 causal constraints in 128 ms.
[2021-05-13 12:18:48] [INFO ] Solution in real domain found non-integer solution.
[2021-05-13 12:19:08] [INFO ] SMT solver returned unknown. Retrying;
[2021-05-13 12:19:08] [INFO ] [Nat]Absence check using 0 positive and 4 generalized place invariants in 19418 ms returned (error "Failed to check-sat")
[2021-05-13 12:19:08] [INFO ] [Nat]Adding state equation constraints to refine reachable states.
[2021-05-13 12:19:08] [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: Broken pipe") while checking expression at index 14
[2021-05-13 12:19:09] [INFO ] [Real]Absence check using 0 positive and 4 generalized place invariants in 64 ms returned sat
[2021-05-13 12:19:09] [INFO ] [Real]Adding state equation constraints to refine reachable states.
[2021-05-13 12:19:24] [INFO ] [Real]Absence check using state equation in 15511 ms returned sat
[2021-05-13 12:19:25] [INFO ] Computed and/alt/rep : 3094/4086/3094 causal constraints in 258 ms.
[2021-05-13 12:19:26] [INFO ] Solution in real domain found non-integer solution.
[2021-05-13 12:19:46] [INFO ] SMT solver returned unknown. Retrying;
[2021-05-13 12:19:46] [INFO ] [Nat]Absence check using 0 positive and 4 generalized place invariants in 19794 ms returned (error "Solver has unexpectedly terminated")
[2021-05-13 12:19:46] [INFO ] [Nat]Adding state equation constraints to refine reachable states.
[2021-05-13 12:19:46] [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
[2021-05-13 12:19:46] [INFO ] [Real]Absence check using 0 positive and 4 generalized place invariants in 45 ms returned sat
[2021-05-13 12:19:46] [INFO ] [Real]Adding state equation constraints to refine reachable states.
[2021-05-13 12:19:58] [INFO ] [Real]Absence check using state equation in 11703 ms returned sat
[2021-05-13 12:19:58] [INFO ] Computed and/alt/rep : 3094/4086/3094 causal constraints in 128 ms.
[2021-05-13 12:19:59] [INFO ] Solution in real domain found non-integer solution.
[2021-05-13 12:20:19] [INFO ] SMT solver returned unknown. Retrying;
[2021-05-13 12:20:19] [INFO ] [Nat]Absence check using 0 positive and 4 generalized place invariants in 19728 ms returned (error "Solver has unexpectedly terminated")
[2021-05-13 12:20:19] [INFO ] [Nat]Adding state equation constraints to refine reachable states.
[2021-05-13 12:20:19] [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 16
[2021-05-13 12:20:20] [INFO ] [Real]Absence check using 0 positive and 4 generalized place invariants in 46 ms returned sat
[2021-05-13 12:20:20] [INFO ] [Real]Adding state equation constraints to refine reachable states.
[2021-05-13 12:20:33] [INFO ] [Real]Absence check using state equation in 13658 ms returned sat
[2021-05-13 12:20:34] [INFO ] Computed and/alt/rep : 3094/4086/3094 causal constraints in 197 ms.
[2021-05-13 12:20:34] [INFO ] Solution in real domain found non-integer solution.
[2021-05-13 12:20:54] [INFO ] SMT solver returned unknown. Retrying;
[2021-05-13 12:20:54] [INFO ] [Nat]Absence check using 0 positive and 4 generalized place invariants in 19766 ms returned unknown
[2021-05-13 12:20:55] [INFO ] [Real]Absence check using 0 positive and 4 generalized place invariants in 84 ms returned sat
[2021-05-13 12:20:55] [INFO ] [Real]Adding state equation constraints to refine reachable states.
[2021-05-13 12:21:14] [INFO ] [Real]Absence check using state equation in 19325 ms returned (error "Solver has unexpectedly terminated")
[2021-05-13 12:21:15] [INFO ] [Real]Absence check using 0 positive and 4 generalized place invariants in 104 ms returned sat
[2021-05-13 12:21:15] [INFO ] [Real]Adding state equation constraints to refine reachable states.
[2021-05-13 12:21:30] [INFO ] [Real]Absence check using state equation in 14513 ms returned sat
[2021-05-13 12:21:30] [INFO ] Computed and/alt/rep : 3094/4086/3094 causal constraints in 142 ms.
[2021-05-13 12:21:31] [INFO ] Solution in real domain found non-integer solution.
[2021-05-13 12:21:51] [INFO ] SMT solver returned unknown. Retrying;
[2021-05-13 12:21:51] [INFO ] [Nat]Absence check using 0 positive and 4 generalized place invariants in 19753 ms returned unknown
[2021-05-13 12:21:51] [INFO ] [Real]Absence check using 0 positive and 4 generalized place invariants in 87 ms returned sat
[2021-05-13 12:21:51] [INFO ] [Real]Adding state equation constraints to refine reachable states.
[2021-05-13 12:22:07] [INFO ] [Real]Absence check using state equation in 15641 ms returned sat
[2021-05-13 12:22:07] [INFO ] Computed and/alt/rep : 3094/4086/3094 causal constraints in 121 ms.
[2021-05-13 12:22:08] [INFO ] Solution in real domain found non-integer solution.
[2021-05-13 12:22:28] [INFO ] SMT solver returned unknown. Retrying;
[2021-05-13 12:22:28] [INFO ] [Nat]Absence check using 0 positive and 4 generalized place invariants in 19440 ms returned unknown
[2021-05-13 12:22:29] [INFO ] [Real]Absence check using 0 positive and 4 generalized place invariants in 60 ms returned sat
[2021-05-13 12:22:29] [INFO ] [Real]Adding state equation constraints to refine reachable states.
[2021-05-13 12:22:44] [INFO ] [Real]Absence check using state equation in 15507 ms returned sat
[2021-05-13 12:22:44] [INFO ] Computed and/alt/rep : 3094/4086/3094 causal constraints in 178 ms.
[2021-05-13 12:22:45] [INFO ] Solution in real domain found non-integer solution.
[2021-05-13 12:23:05] [INFO ] SMT solver returned unknown. Retrying;
[2021-05-13 12:23:05] [INFO ] [Nat]Absence check using 0 positive and 4 generalized place invariants in 19792 ms returned unknown
[2021-05-13 12:23:05] [INFO ] [Real]Absence check using 0 positive and 4 generalized place invariants in 46 ms returned sat
[2021-05-13 12:23:05] [INFO ] [Real]Adding state equation constraints to refine reachable states.
[2021-05-13 12:23:07] [INFO ] [Real]Absence check using state equation in 2001 ms returned unsat
[2021-05-13 12:23:08] [INFO ] [Real]Absence check using 0 positive and 4 generalized place invariants in 127 ms returned sat
[2021-05-13 12:23:08] [INFO ] [Real]Adding state equation constraints to refine reachable states.
[2021-05-13 12:23:24] [INFO ] [Real]Absence check using state equation in 16775 ms returned sat
[2021-05-13 12:23:25] [INFO ] Computed and/alt/rep : 3094/4086/3094 causal constraints in 135 ms.
[2021-05-13 12:23:26] [INFO ] Solution in real domain found non-integer solution.
[2021-05-13 12:23:46] [INFO ] SMT solver returned unknown. Retrying;
[2021-05-13 12:23:46] [INFO ] [Nat]Absence check using 0 positive and 4 generalized place invariants in 19794 ms returned unknown
[2021-05-13 12:23:46] [INFO ] [Real]Absence check using 0 positive and 4 generalized place invariants in 46 ms returned sat
[2021-05-13 12:23:46] [INFO ] [Real]Adding state equation constraints to refine reachable states.
[2021-05-13 12:24:00] [INFO ] [Real]Absence check using state equation in 13978 ms returned sat
[2021-05-13 12:24:00] [INFO ] Computed and/alt/rep : 3094/4086/3094 causal constraints in 139 ms.
[2021-05-13 12:24:01] [INFO ] Solution in real domain found non-integer solution.
[2021-05-13 12:24:21] [INFO ] SMT solver returned unknown. Retrying;
[2021-05-13 12:24:21] [INFO ] [Nat]Absence check using 0 positive and 4 generalized place invariants in 19795 ms returned (error "Failed to check-sat")
[2021-05-13 12:24:21] [INFO ] [Nat]Adding state equation constraints to refine reachable states.
[2021-05-13 12:24:21] [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 24
[2021-05-13 12:24:21] [INFO ] [Real]Absence check using 0 positive and 4 generalized place invariants in 91 ms returned sat
[2021-05-13 12:24:21] [INFO ] [Real]Adding state equation constraints to refine reachable states.
[2021-05-13 12:24:36] [INFO ] [Real]Absence check using state equation in 14496 ms returned sat
[2021-05-13 12:24:36] [INFO ] Computed and/alt/rep : 3094/4086/3094 causal constraints in 101 ms.
[2021-05-13 12:24:37] [INFO ] Solution in real domain found non-integer solution.
[2021-05-13 12:24:57] [INFO ] SMT solver returned unknown. Retrying;
[2021-05-13 12:24:57] [INFO ] [Nat]Absence check using 0 positive and 4 generalized place invariants in 19755 ms returned (error "Solver has unexpectedly terminated")
[2021-05-13 12:24:57] [INFO ] [Nat]Adding state equation constraints to refine reachable states.
[2021-05-13 12:24:57] [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 25
[2021-05-13 12:24:57] [INFO ] [Real]Absence check using 0 positive and 4 generalized place invariants in 84 ms returned sat
[2021-05-13 12:24:57] [INFO ] [Real]Adding state equation constraints to refine reachable states.
[2021-05-13 12:25:10] [INFO ] [Real]Absence check using state equation in 12119 ms returned sat
[2021-05-13 12:25:10] [INFO ] Computed and/alt/rep : 3094/4086/3094 causal constraints in 185 ms.
[2021-05-13 12:25:11] [INFO ] Solution in real domain found non-integer solution.
[2021-05-13 12:25:31] [INFO ] SMT solver returned unknown. Retrying;
[2021-05-13 12:25:31] [INFO ] [Nat]Absence check using 0 positive and 4 generalized place invariants in 19794 ms returned unknown
[2021-05-13 12:25:31] [INFO ] [Real]Absence check using 0 positive and 4 generalized place invariants in 53 ms returned sat
[2021-05-13 12:25:31] [INFO ] [Real]Adding state equation constraints to refine reachable states.
[2021-05-13 12:25:42] [INFO ] [Real]Absence check using state equation in 10898 ms returned sat
[2021-05-13 12:25:42] [INFO ] Computed and/alt/rep : 3094/4086/3094 causal constraints in 101 ms.
[2021-05-13 12:25:43] [INFO ] Solution in real domain found non-integer solution.
[2021-05-13 12:26:03] [INFO ] SMT solver returned unknown. Retrying;
[2021-05-13 12:26:03] [INFO ] [Nat]Absence check using 0 positive and 4 generalized place invariants in 19435 ms returned (error "Solver has unexpectedly terminated")
[2021-05-13 12:26:03] [INFO ] [Nat]Adding state equation constraints to refine reachable states.
[2021-05-13 12:26:03] [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 27
[2021-05-13 12:26:04] [INFO ] [Real]Absence check using 0 positive and 4 generalized place invariants in 50 ms returned sat
[2021-05-13 12:26:04] [INFO ] [Real]Adding state equation constraints to refine reachable states.
[2021-05-13 12:26:15] [INFO ] [Real]Absence check using state equation in 11468 ms returned sat
[2021-05-13 12:26:15] [INFO ] Computed and/alt/rep : 3094/4086/3094 causal constraints in 130 ms.
[2021-05-13 12:26:16] [INFO ] Solution in real domain found non-integer solution.
[2021-05-13 12:26:36] [INFO ] SMT solver returned unknown. Retrying;
[2021-05-13 12:26:36] [INFO ] [Nat]Absence check using 0 positive and 4 generalized place invariants in 19435 ms returned unknown
[2021-05-13 12:26:37] [INFO ] [Real]Absence check using 0 positive and 4 generalized place invariants in 50 ms returned sat
[2021-05-13 12:26:37] [INFO ] [Real]Adding state equation constraints to refine reachable states.
[2021-05-13 12:26:49] [INFO ] [Real]Absence check using state equation in 11956 ms returned sat
[2021-05-13 12:26:49] [INFO ] Computed and/alt/rep : 3094/4086/3094 causal constraints in 102 ms.
[2021-05-13 12:26:50] [INFO ] Solution in real domain found non-integer solution.
[2021-05-13 12:27:10] [INFO ] SMT solver returned unknown. Retrying;
[2021-05-13 12:27:10] [INFO ] [Nat]Absence check using 0 positive and 4 generalized place invariants in 19452 ms returned unknown
[2021-05-13 12:27:10] [INFO ] [Real]Absence check using 0 positive and 4 generalized place invariants in 49 ms returned sat
[2021-05-13 12:27:10] [INFO ] [Real]Adding state equation constraints to refine reachable states.
[2021-05-13 12:27:21] [INFO ] [Real]Absence check using state equation in 11450 ms returned sat
[2021-05-13 12:27:21] [INFO ] Solution in real domain found non-integer solution.
[2021-05-13 12:27:41] [INFO ] SMT solver returned unknown. Retrying;
[2021-05-13 12:27:42] [INFO ] [Nat]Absence check using 0 positive and 4 generalized place invariants in 19796 ms returned (error "Solver has unexpectedly terminated")
[2021-05-13 12:27:42] [INFO ] [Nat]Adding state equation constraints to refine reachable states.
[2021-05-13 12:27:42] [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 30
[2021-05-13 12:27:42] [INFO ] [Real]Absence check using 0 positive and 4 generalized place invariants in 46 ms returned sat
[2021-05-13 12:27:42] [INFO ] [Real]Adding state equation constraints to refine reachable states.
[2021-05-13 12:27:53] [INFO ] [Real]Absence check using state equation in 10980 ms returned sat
[2021-05-13 12:27:53] [INFO ] Computed and/alt/rep : 3094/4086/3094 causal constraints in 119 ms.
[2021-05-13 12:27:54] [INFO ] Solution in real domain found non-integer solution.
[2021-05-13 12:28:14] [INFO ] SMT solver returned unknown. Retrying;
[2021-05-13 12:28:14] [INFO ] [Nat]Absence check using 0 positive and 4 generalized place invariants in 19815 ms returned (error "Solver has unexpectedly terminated")
[2021-05-13 12:28:14] [INFO ] [Nat]Adding state equation constraints to refine reachable states.
[2021-05-13 12:28:14] [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 31
[2021-05-13 12:28:15] [INFO ] [Real]Absence check using 0 positive and 4 generalized place invariants in 46 ms returned sat
[2021-05-13 12:28:15] [INFO ] [Real]Adding state equation constraints to refine reachable states.
[2021-05-13 12:28:26] [INFO ] [Real]Absence check using state equation in 11885 ms returned sat
[2021-05-13 12:28:27] [INFO ] Computed and/alt/rep : 3094/4086/3094 causal constraints in 137 ms.
[2021-05-13 12:28:28] [INFO ] Solution in real domain found non-integer solution.
[2021-05-13 12:28:48] [INFO ] SMT solver returned unknown. Retrying;
[2021-05-13 12:28:48] [INFO ] [Nat]Absence check using 0 positive and 4 generalized place invariants in 19798 ms returned unknown
[2021-05-13 12:28:48] [INFO ] [Real]Absence check using 0 positive and 4 generalized place invariants in 59 ms returned sat
[2021-05-13 12:28:48] [INFO ] [Real]Adding state equation constraints to refine reachable states.
[2021-05-13 12:29:00] [INFO ] [Real]Absence check using state equation in 11853 ms returned sat
[2021-05-13 12:29:00] [INFO ] Computed and/alt/rep : 3094/4086/3094 causal constraints in 153 ms.
[2021-05-13 12:29:01] [INFO ] Solution in real domain found non-integer solution.
[2021-05-13 12:29:21] [INFO ] SMT solver returned unknown. Retrying;
[2021-05-13 12:29:21] [INFO ] [Nat]Absence check using 0 positive and 4 generalized place invariants in 19755 ms returned unknown
[2021-05-13 12:29:21] [INFO ] [Real]Absence check using 0 positive and 4 generalized place invariants in 46 ms returned sat
[2021-05-13 12:29:21] [INFO ] [Real]Adding state equation constraints to refine reachable states.
[2021-05-13 12:29:34] [INFO ] [Real]Absence check using state equation in 12764 ms returned sat
[2021-05-13 12:29:34] [INFO ] Computed and/alt/rep : 3094/4086/3094 causal constraints in 100 ms.
[2021-05-13 12:29:35] [INFO ] Solution in real domain found non-integer solution.
[2021-05-13 12:29:55] [INFO ] SMT solver returned unknown. Retrying;
[2021-05-13 12:29:55] [INFO ] [Nat]Absence check using 0 positive and 4 generalized place invariants in 19682 ms returned unknown
[2021-05-13 12:29:56] [INFO ] [Real]Absence check using 0 positive and 4 generalized place invariants in 46 ms returned sat
[2021-05-13 12:29:56] [INFO ] [Real]Adding state equation constraints to refine reachable states.
[2021-05-13 12:30:07] [INFO ] [Real]Absence check using state equation in 11912 ms returned sat
[2021-05-13 12:30:08] [INFO ] Computed and/alt/rep : 3094/4086/3094 causal constraints in 141 ms.
[2021-05-13 12:30:08] [INFO ] Solution in real domain found non-integer solution.
[2021-05-13 12:30:29] [INFO ] SMT solver returned unknown. Retrying;
[2021-05-13 12:30:29] [INFO ] [Nat]Absence check using 0 positive and 4 generalized place invariants in 19814 ms returned unknown
[2021-05-13 12:30:29] [INFO ] [Real]Absence check using 0 positive and 4 generalized place invariants in 62 ms returned sat
[2021-05-13 12:30:29] [INFO ] [Real]Adding state equation constraints to refine reachable states.
[2021-05-13 12:30:42] [INFO ] [Real]Absence check using state equation in 13292 ms returned sat
[2021-05-13 12:30:43] [INFO ] Computed and/alt/rep : 3094/4086/3094 causal constraints in 118 ms.
[2021-05-13 12:30:43] [INFO ] Solution in real domain found non-integer solution.
[2021-05-13 12:31:03] [INFO ] SMT solver returned unknown. Retrying;
[2021-05-13 12:31:04] [INFO ] [Nat]Absence check using 0 positive and 4 generalized place invariants in 19804 ms returned unknown
[2021-05-13 12:31:04] [INFO ] [Real]Absence check using 0 positive and 4 generalized place invariants in 70 ms returned sat
[2021-05-13 12:31:04] [INFO ] [Real]Adding state equation constraints to refine reachable states.
[2021-05-13 12:31:22] [INFO ] [Real]Absence check using state equation in 17677 ms returned sat
[2021-05-13 12:31:22] [INFO ] Computed and/alt/rep : 3094/4086/3094 causal constraints in 261 ms.
[2021-05-13 12:31:23] [INFO ] Solution in real domain found non-integer solution.
[2021-05-13 12:31:43] [INFO ] SMT solver returned unknown. Retrying;
[2021-05-13 12:31:43] [INFO ] [Nat]Absence check using 0 positive and 4 generalized place invariants in 19752 ms returned unknown
[2021-05-13 12:31:44] [INFO ] [Real]Absence check using 0 positive and 4 generalized place invariants in 48 ms returned sat
[2021-05-13 12:31:44] [INFO ] [Real]Adding state equation constraints to refine reachable states.
[2021-05-13 12:31:57] [INFO ] [Real]Absence check using state equation in 13289 ms returned sat
[2021-05-13 12:31:58] [INFO ] Computed and/alt/rep : 3094/4086/3094 causal constraints in 119 ms.
[2021-05-13 12:31:58] [INFO ] Solution in real domain found non-integer solution.
[2021-05-13 12:32:18] [INFO ] SMT solver returned unknown. Retrying;
[2021-05-13 12:32:18] [INFO ] [Nat]Absence check using 0 positive and 4 generalized place invariants in 19784 ms returned unknown
[2021-05-13 12:32:19] [INFO ] [Real]Absence check using 0 positive and 4 generalized place invariants in 46 ms returned sat
[2021-05-13 12:32:19] [INFO ] [Real]Adding state equation constraints to refine reachable states.
[2021-05-13 12:32:30] [INFO ] [Real]Absence check using state equation in 11875 ms returned sat
[2021-05-13 12:32:31] [INFO ] Computed and/alt/rep : 3094/4086/3094 causal constraints in 100 ms.
[2021-05-13 12:32:31] [INFO ] Solution in real domain found non-integer solution.
[2021-05-13 12:32:51] [INFO ] SMT solver returned unknown. Retrying;
[2021-05-13 12:32:51] [INFO ] [Nat]Absence check using 0 positive and 4 generalized place invariants in 19826 ms returned (error "Solver has unexpectedly terminated")
[2021-05-13 12:32:51] [INFO ] [Nat]Adding state equation constraints to refine reachable states.
[2021-05-13 12:32:51] [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 39
Successfully simplified 1 atomic propositions for a total of 1 simplifications.
[2021-05-13 12:32:52] [INFO ] Initial state reduction rules for CTL removed 5 formulas.
[2021-05-13 12:32:52] [INFO ] Flatten gal took : 220 ms
FORMULA CloudReconfiguration-PT-316-13 FALSE TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA CloudReconfiguration-PT-316-08 FALSE TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA CloudReconfiguration-PT-316-06 FALSE TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA CloudReconfiguration-PT-316-04 FALSE TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA CloudReconfiguration-PT-316-02 TRUE TECHNIQUES TOPOLOGICAL INITIAL_STATE
[2021-05-13 12:32:52] [INFO ] Applying decomposition
[2021-05-13 12:32:52] [INFO ] Flatten gal took : 106 ms
[2021-05-13 12:32:52] [INFO ] Decomposing Gal with order
[2021-05-13 12:32:52] [INFO ] Rewriting arrays to variables to allow decomposition.
[2021-05-13 12:32:53] [INFO ] Removed a total of 123 redundant transitions.
[2021-05-13 12:32:53] [INFO ] Flatten gal took : 162 ms
[2021-05-13 12:32:53] [INFO ] Fuse similar labels procedure discarded/fused a total of 338 labels/synchronizations in 20 ms.
[2021-05-13 12:32:53] [INFO ] Export to MCC properties in file /home/mcc/execution/LTLFireability.sr.xml took 6 ms.
[2021-05-13 12:32:53] [INFO ] Export to PNML in file /home/mcc/execution/model.sr.pnml took 34 ms.
info: Time: 3600 - MCC
vrfy: Checking LTLFireability @ CloudReconfiguration-PT-316 @ 3570 seconds
FORMULA CloudReconfiguration-PT-316-05 FALSE TECHNIQUES COLLATERAL_PROCESSING EXPLICIT TOPOLOGICAL STATE_COMPRESSION STUBBORN_SETS USE_NUPN UNFOLDING_TO_PT
FORMULA CloudReconfiguration-PT-316-09 TRUE TECHNIQUES COLLATERAL_PROCESSING EXPLICIT TOPOLOGICAL STATE_COMPRESSION STUBBORN_SETS USE_NUPN UNFOLDING_TO_PT
FORMULA CloudReconfiguration-PT-316-10 FALSE TECHNIQUES COLLATERAL_PROCESSING EXPLICIT TOPOLOGICAL STATE_COMPRESSION STUBBORN_SETS USE_NUPN UNFOLDING_TO_PT
FORMULA CloudReconfiguration-PT-316-11 FALSE TECHNIQUES COLLATERAL_PROCESSING EXPLICIT TOPOLOGICAL STATE_COMPRESSION STUBBORN_SETS USE_NUPN UNFOLDING_TO_PT
FORMULA CloudReconfiguration-PT-316-12 TRUE TECHNIQUES COLLATERAL_PROCESSING EXPLICIT TOPOLOGICAL STATE_COMPRESSION STUBBORN_SETS USE_NUPN UNFOLDING_TO_PT
FORMULA CloudReconfiguration-PT-316-15 FALSE TECHNIQUES COLLATERAL_PROCESSING EXPLICIT TOPOLOGICAL STATE_COMPRESSION STUBBORN_SETS USE_NUPN UNFOLDING_TO_PT
FORMULA CloudReconfiguration-PT-316-07 FALSE TECHNIQUES COLLATERAL_PROCESSING EXPLICIT TOPOLOGICAL STATE_COMPRESSION STUBBORN_SETS USE_NUPN UNFOLDING_TO_PT
FORMULA CloudReconfiguration-PT-316-00 FALSE TECHNIQUES COLLATERAL_PROCESSING EXPLICIT TOPOLOGICAL STATE_COMPRESSION STUBBORN_SETS USE_NUPN UNFOLDING_TO_PT
FORMULA CloudReconfiguration-PT-316-14 FALSE TECHNIQUES COLLATERAL_PROCESSING EXPLICIT TOPOLOGICAL STATE_COMPRESSION STUBBORN_SETS USE_NUPN UNFOLDING_TO_PT
FORMULA CloudReconfiguration-PT-316-01 FALSE TECHNIQUES COLLATERAL_PROCESSING EXPLICIT TOPOLOGICAL STATE_COMPRESSION STUBBORN_SETS USE_NUPN UNFOLDING_TO_PT
TIME LIMIT: Killed by timeout after 3600 seconds
MemTotal: 16427364 kB
MemFree: 9069348 kB
After kill :
MemTotal: 16427364 kB
MemFree: 16140584 kB
--------------------
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="CloudReconfiguration-PT-316"
export BK_EXAMINATION="LTLFireability"
export BK_TOOL="gold2020"
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 2-4028"
echo " Executing tool gold2020"
echo " Input is CloudReconfiguration-PT-316, examination is LTLFireability"
echo " Time confinement is $BK_TIME_CONFINEMENT seconds"
echo " Memory confinement is 16384 MBytes"
echo " Number of cores is 4"
echo " Run identifier is r056-oct2-162038334900298"
echo "====================================================================="
echo
echo "--------------------"
echo "preparation of the directory to be used:"
tar xzf /home/mcc/BenchKit/INPUTS/CloudReconfiguration-PT-316.tgz
mv CloudReconfiguration-PT-316 execution
cd execution
if [ "LTLFireability" = "ReachabilityDeadlock" ] || [ "LTLFireability" = "UpperBounds" ] || [ "LTLFireability" = "QuasiLiveness" ] || [ "LTLFireability" = "StableMarking" ] || [ "LTLFireability" = "Liveness" ] || [ "LTLFireability" = "OneSafe" ] || [ "LTLFireability" = "StateSpace" ]; then
rm -f GenericPropertiesVerdict.xml
fi
pwd
ls -lh
echo
echo "--------------------"
echo "content from stdout:"
echo
echo "=== Data for post analysis generated by BenchKit (invocation template)"
echo
if [ "LTLFireability" = "UpperBounds" ] ; then
echo "The expected result is a vector of positive values"
echo NUM_VECTOR
elif [ "LTLFireability" != "StateSpace" ] ; then
echo "The expected result is a vector of booleans"
echo BOOL_VECTOR
else
echo "no data necessary for post analysis"
fi
echo
if [ -f "LTLFireability.txt" ] ; then
echo "here is the order used to build the result vector(from text file)"
for x in $(grep Property LTLFireability.txt | cut -d ' ' -f 2 | sort -u) ; do
echo "FORMULA_NAME $x"
done
elif [ -f "LTLFireability.xml" ] ; then # for cunf (txt files deleted;-)
echo echo "here is the order used to build the result vector(from xml file)"
for x in $(grep '
echo "FORMULA_NAME $x"
done
elif [ "LTLFireability" = "ReachabilityDeadlock" ] || [ "LTLFireability" = "QuasiLiveness" ] || [ "LTLFireability" = "StableMarking" ] || [ "LTLFireability" = "Liveness" ] || [ "LTLFireability" = "OneSafe" ] ; then
echo "FORMULA_NAME LTLFireability"
fi
echo
echo "=== Now, execution of the tool begins"
echo
echo -n "BK_START "
date -u +%s%3N
echo
timeout -s 9 $BK_TIME_CONFINEMENT bash -c "/home/mcc/BenchKit/BenchKit_head.sh 2> STDERR ; echo ; echo -n \"BK_STOP \" ; date -u +%s%3N"
if [ $? -eq 137 ] ; then
echo
echo "BK_TIME_CONFINEMENT_REACHED"
fi
echo
echo "--------------------"
echo "content from stderr:"
echo
cat STDERR ;