Execution Chart

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

Trace from the execution

Formatting '/data/fkordon/mcc2022-input.r252-smll-165303245100023.qcow2', fmt=qcow2 size=4294967296 backing_file=/data/fkordon/mcc2022-input.qcow2 cluster_size=65536 lazy_refcounts=off refcount_bits=16
Waiting for the VM to be ready (probing ssh)
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=====================================================================
Generated by BenchKit 2-4028
Executing tool gold2021
Input is SimpleLoadBal-PT-20, examination is StableMarking
Time confinement is 1800 seconds
Memory confinement is 16384 MBytes
Number of cores is 4
Run identifier is r252-smll-165303245100023
=====================================================================

--------------------
preparation of the directory to be used:
/home/mcc/execution
total 2.2M
-rw-r--r-- 1 mcc users 8.6K Apr 29 14:21 CTLCardinality.txt
-rw-r--r-- 1 mcc users 75K Apr 29 14:21 CTLCardinality.xml
-rw-r--r-- 1 mcc users 7.3K Apr 29 14:20 CTLFireability.txt
-rw-r--r-- 1 mcc users 52K Apr 29 14:20 CTLFireability.xml
-rw-r--r-- 1 mcc users 4.2K May 10 09:34 GenericPropertiesDefinition.xml
-rw-r--r-- 1 mcc users 5.0K May 9 09:03 LTLCardinality.txt
-rw-r--r-- 1 mcc users 28K May 9 09:03 LTLCardinality.xml
-rw-r--r-- 1 mcc users 3.2K May 9 09:03 LTLFireability.txt
-rw-r--r-- 1 mcc users 19K May 9 09:03 LTLFireability.xml
-rw-r--r-- 1 mcc users 1.9K May 9 09:03 UpperBounds.txt
-rw-r--r-- 1 mcc users 3.9K May 9 09:03 UpperBounds.xml
-rw-r--r-- 1 mcc users 6 May 10 09:34 equiv_col
-rw-r--r-- 1 mcc users 3 May 10 09:34 instance
-rw-r--r-- 1 mcc users 6 May 10 09:34 iscolored
-rw-r--r-- 1 mcc users 2.0M May 10 09:34 model.pnml

--------------------
content from stdout:

=== Data for post analysis generated by BenchKit (invocation template)

The expected result is a vector of booleans
BOOL_VECTOR

FORMULA_NAME StableMarking

=== Now, execution of the tool begins

BK_START 1653074806243

Running Version 0
[2022-05-20 19:26:49] [INFO ] Running its-tools with arguments : [-pnfolder, /home/mcc/execution, -examination, StableMarking, -spotpath, /home/mcc/BenchKit/bin//..//ltlfilt, -z3path, /home/mcc/BenchKit/bin//..//z3/bin/z3, -yices2path, /home/mcc/BenchKit/bin//..//yices/bin/yices, -its, -ltsmin, -greatspnpath, /home/mcc/BenchKit/bin//..//greatspn/, -order, META, -manyOrder, -smt, -timeout, 1800]
[2022-05-20 19:26:49] [INFO ] Parsing pnml file : /home/mcc/execution/model.pnml
[2022-05-20 19:26:49] [INFO ] Load time of PNML (sax parser for PT used): 400 ms
[2022-05-20 19:26:49] [INFO ] Transformed 194 places.
[2022-05-20 19:26:49] [INFO ] Transformed 2205 transitions.
[2022-05-20 19:26:49] [INFO ] Found NUPN structural information;
[2022-05-20 19:26:49] [INFO ] Completing missing partition info from NUPN : creating a component with [P_client_idle_1, P_client_idle_2, P_client_idle_3, P_client_idle_4, P_client_idle_5, P_client_idle_6, P_client_idle_7, P_client_idle_8, P_client_idle_9, P_client_idle_10, P_client_idle_11, P_client_idle_12, P_client_idle_13, P_client_idle_14, P_client_idle_15, P_client_idle_16, P_client_idle_17, P_client_idle_18, P_client_idle_19, P_client_idle_20, P_client_waiting_1, P_client_waiting_2, P_client_waiting_3, P_client_waiting_4, P_client_waiting_5, P_client_waiting_6, P_client_waiting_7, P_client_waiting_8, P_client_waiting_9, P_client_waiting_10, P_client_waiting_11, P_client_waiting_12, P_client_waiting_13, P_client_waiting_14, P_client_waiting_15, P_client_waiting_16, P_client_waiting_17, P_client_waiting_18, P_client_waiting_19, P_client_waiting_20, P_client_request_1, P_client_request_2, P_client_request_3, P_client_request_4, P_client_request_5, P_client_request_6, P_client_request_7, P_client_request_8, P_client_request_9, P_client_request_10, P_client_request_11, P_client_request_12, P_client_request_13, P_client_request_14, P_client_request_15, P_client_request_16, P_client_request_17, P_client_request_18, P_client_request_19, P_client_request_20, P_client_ack_1, P_client_ack_2, P_client_ack_3, P_client_ack_4, P_client_ack_5, P_client_ack_6, P_client_ack_7, P_client_ack_8, P_client_ack_9, P_client_ack_10, P_client_ack_11, P_client_ack_12, P_client_ack_13, P_client_ack_14, P_client_ack_15, P_client_ack_16, P_client_ack_17, P_client_ack_18, P_client_ack_19, P_client_ack_20, P_server_idle_1, P_server_idle_2, P_server_waiting_1, P_server_waiting_2, P_server_processed_1, P_server_processed_2, P_server_notification_1, P_server_notification_2, P_server_notification_ack_1, P_server_notification_ack_2, P_server_request_1_1, P_server_request_1_2, P_server_request_2_1, P_server_request_2_2, P_server_request_3_1, P_server_request_3_2, P_server_request_4_1, P_server_request_4_2, P_server_request_5_1, P_server_request_5_2, P_server_request_6_1, P_server_request_6_2, P_server_request_7_1, P_server_request_7_2, P_server_request_8_1, P_server_request_8_2, P_server_request_9_1, P_server_request_9_2, P_server_request_10_1, P_server_request_10_2, P_server_request_11_1, P_server_request_11_2, P_server_request_12_1, P_server_request_12_2, P_server_request_13_1, P_server_request_13_2, P_server_request_14_1, P_server_request_14_2, P_server_request_15_1, P_server_request_15_2, P_server_request_16_1, P_server_request_16_2, P_server_request_17_1, P_server_request_17_2, P_server_request_18_1, P_server_request_18_2, P_server_request_19_1, P_server_request_19_2, P_server_request_20_1, P_server_request_20_2, P_lb_idle_1, P_lb_routing_1_1, P_lb_routing_1_2, P_lb_routing_1_3, P_lb_routing_1_4, P_lb_routing_1_5, P_lb_routing_1_6, P_lb_routing_1_7, P_lb_routing_1_8, P_lb_routing_1_9, P_lb_routing_1_10, P_lb_routing_1_11, P_lb_routing_1_12, P_lb_routing_1_13, P_lb_routing_1_14, P_lb_routing_1_15, P_lb_routing_1_16, P_lb_routing_1_17, P_lb_routing_1_18, P_lb_routing_1_19, P_lb_routing_1_20, P_lb_balancing_1, P_lb_load_1_0, P_lb_load_1_1, P_lb_load_1_2, P_lb_load_1_3, P_lb_load_1_4, P_lb_load_1_5, P_lb_load_1_6, P_lb_load_1_7, P_lb_load_1_8, P_lb_load_1_9, P_lb_load_1_10, P_lb_load_1_11, P_lb_load_1_12, P_lb_load_1_13, P_lb_load_1_14, P_lb_load_1_15, P_lb_load_1_16, P_lb_load_1_17, P_lb_load_1_18, P_lb_load_1_19, P_lb_load_1_20, P_lb_load_2_0, P_lb_load_2_1, P_lb_load_2_2, P_lb_load_2_3, P_lb_load_2_4, P_lb_load_2_5, P_lb_load_2_6, P_lb_load_2_7, P_lb_load_2_8, P_lb_load_2_9, P_lb_load_2_10, P_lb_load_2_11, P_lb_load_2_12, P_lb_load_2_13, P_lb_load_2_14, P_lb_load_2_15, P_lb_load_2_16, P_lb_load_2_17, P_lb_load_2_18, P_lb_load_2_19, P_lb_load_2_20]
[2022-05-20 19:26:49] [INFO ] Parsed PT model containing 194 places and 2205 transitions in 501 ms.
Structural test allowed to assert that 60 places are NOT stable. Took 22 ms.
Incomplete random walk after 10000 steps, including 2 resets, run finished after 353 ms. (steps per millisecond=28 ) properties (out of 134) seen :116
Incomplete Best-First random walk after 1001 steps, including 2 resets, run finished after 6 ms. (steps per millisecond=166 ) properties (out of 18) seen :0
Incomplete Best-First random walk after 1001 steps, including 2 resets, run finished after 5 ms. (steps per millisecond=200 ) properties (out of 18) seen :0
Incomplete Best-First random walk after 1000 steps, including 2 resets, run finished after 17 ms. (steps per millisecond=58 ) properties (out of 18) seen :0
Incomplete Best-First random walk after 1001 steps, including 2 resets, run finished after 4 ms. (steps per millisecond=250 ) properties (out of 18) seen :0
Incomplete Best-First random walk after 1001 steps, including 2 resets, run finished after 4 ms. (steps per millisecond=250 ) properties (out of 18) seen :0
Incomplete Best-First random walk after 1001 steps, including 2 resets, run finished after 4 ms. (steps per millisecond=250 ) properties (out of 18) seen :0
Incomplete Best-First random walk after 1001 steps, including 2 resets, run finished after 5 ms. (steps per millisecond=200 ) properties (out of 18) seen :0
Incomplete Best-First random walk after 1001 steps, including 2 resets, run finished after 4 ms. (steps per millisecond=250 ) properties (out of 18) seen :0
Incomplete Best-First random walk after 1001 steps, including 2 resets, run finished after 5 ms. (steps per millisecond=200 ) properties (out of 18) seen :0
Incomplete Best-First random walk after 1001 steps, including 2 resets, run finished after 4 ms. (steps per millisecond=250 ) properties (out of 18) seen :0
Incomplete Best-First random walk after 1001 steps, including 2 resets, run finished after 4 ms. (steps per millisecond=250 ) properties (out of 18) seen :0
Incomplete Best-First random walk after 1001 steps, including 2 resets, run finished after 5 ms. (steps per millisecond=200 ) properties (out of 18) seen :0
Incomplete Best-First random walk after 1001 steps, including 2 resets, run finished after 4 ms. (steps per millisecond=250 ) properties (out of 18) seen :0
Incomplete Best-First random walk after 1001 steps, including 2 resets, run finished after 4 ms. (steps per millisecond=250 ) properties (out of 18) seen :0
Incomplete Best-First random walk after 1001 steps, including 2 resets, run finished after 5 ms. (steps per millisecond=200 ) properties (out of 18) seen :0
Incomplete Best-First random walk after 1001 steps, including 2 resets, run finished after 4 ms. (steps per millisecond=250 ) properties (out of 18) seen :0
Incomplete Best-First random walk after 1001 steps, including 2 resets, run finished after 37 ms. (steps per millisecond=27 ) properties (out of 18) seen :0
Incomplete Best-First random walk after 1001 steps, including 2 resets, run finished after 4 ms. (steps per millisecond=250 ) properties (out of 18) seen :0
Running SMT prover for 18 properties.
[2022-05-20 19:26:50] [INFO ] Flow matrix only has 1745 transitions (discarded 460 similar events)
// Phase 1: matrix 1745 rows 194 cols
[2022-05-20 19:26:50] [INFO ] Invariants computation overflowed in 69 ms
[2022-05-20 19:26:51] [INFO ] [Real]Adding state equation constraints to refine reachable states.
[2022-05-20 19:26:52] [INFO ] [Real]Absence check using state equation in 923 ms returned sat
[2022-05-20 19:26:52] [INFO ] Solution in real domain found non-integer solution.
[2022-05-20 19:26:52] [INFO ] [Nat]Adding state equation constraints to refine reachable states.
[2022-05-20 19:26:53] [INFO ] [Nat]Absence check using state equation in 699 ms returned sat
[2022-05-20 19:26:53] [INFO ] State equation strengthened by 841 read => feed constraints.
[2022-05-20 19:26:54] [INFO ] [Nat]Added 841 Read/Feed constraints in 899 ms returned sat
[2022-05-20 19:26:55] [INFO ] Deduced a trap composed of 30 places in 687 ms of which 16 ms to minimize.
[2022-05-20 19:26:55] [INFO ] Trap strengthening (SAT) tested/added 2/1 trap constraints in 928 ms
[2022-05-20 19:26:55] [INFO ] Computed and/alt/rep : 40/80/40 causal constraints (skipped 1685 transitions) in 519 ms.
[2022-05-20 19:26:57] [INFO ] Added : 40 causal constraints over 8 iterations in 2158 ms. Result :sat
Attempting to minimize the solution found.
Minimization took 26 ms.
[2022-05-20 19:26:57] [INFO ] [Real]Adding state equation constraints to refine reachable states.
[2022-05-20 19:26:58] [INFO ] [Real]Absence check using state equation in 798 ms returned sat
[2022-05-20 19:26:58] [INFO ] Solution in real domain found non-integer solution.
[2022-05-20 19:26:58] [INFO ] [Nat]Adding state equation constraints to refine reachable states.
[2022-05-20 19:26:58] [INFO ] [Nat]Absence check using state equation in 558 ms returned sat
[2022-05-20 19:26:59] [INFO ] [Nat]Added 841 Read/Feed constraints in 529 ms returned sat
[2022-05-20 19:26:59] [INFO ] Deduced a trap composed of 34 places in 426 ms of which 3 ms to minimize.
[2022-05-20 19:27:00] [INFO ] Deduced a trap composed of 26 places in 581 ms of which 2 ms to minimize.
[2022-05-20 19:27:00] [INFO ] Trap strengthening (SAT) tested/added 3/2 trap constraints in 1283 ms
[2022-05-20 19:27:01] [INFO ] Computed and/alt/rep : 40/80/40 causal constraints (skipped 1685 transitions) in 396 ms.
[2022-05-20 19:27:03] [INFO ] Deduced a trap composed of 26 places in 648 ms of which 1 ms to minimize.
[2022-05-20 19:27:03] [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 close... while checking expression at index 1
[2022-05-20 19:27:03] [INFO ] [Real]Adding state equation constraints to refine reachable states.
[2022-05-20 19:27:04] [INFO ] [Real]Absence check using state equation in 553 ms returned sat
[2022-05-20 19:27:04] [INFO ] Solution in real domain found non-integer solution.
[2022-05-20 19:27:04] [INFO ] [Nat]Adding state equation constraints to refine reachable states.
[2022-05-20 19:27:05] [INFO ] [Nat]Absence check using state equation in 598 ms returned sat
[2022-05-20 19:27:06] [INFO ] [Nat]Added 841 Read/Feed constraints in 853 ms returned sat
[2022-05-20 19:27:06] [INFO ] Deduced a trap composed of 25 places in 682 ms of which 1 ms to minimize.
[2022-05-20 19:27:06] [INFO ] Trap strengthening (SAT) tested/added 2/1 trap constraints in 870 ms
[2022-05-20 19:27:07] [INFO ] Computed and/alt/rep : 40/80/40 causal constraints (skipped 1685 transitions) in 387 ms.
[2022-05-20 19:27:09] [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 close... while checking expression at index 2
[2022-05-20 19:27:09] [INFO ] [Real]Adding state equation constraints to refine reachable states.
[2022-05-20 19:27:10] [INFO ] [Real]Absence check using state equation in 694 ms returned sat
[2022-05-20 19:27:10] [INFO ] Solution in real domain found non-integer solution.
[2022-05-20 19:27:10] [INFO ] [Nat]Adding state equation constraints to refine reachable states.
[2022-05-20 19:27:11] [INFO ] [Nat]Absence check using state equation in 861 ms returned sat
[2022-05-20 19:27:12] [INFO ] [Nat]Added 841 Read/Feed constraints in 849 ms returned sat
[2022-05-20 19:27:12] [INFO ] Deduced a trap composed of 26 places in 678 ms of which 1 ms to minimize.
[2022-05-20 19:27:13] [INFO ] Deduced a trap composed of 30 places in 704 ms of which 2 ms to minimize.
[2022-05-20 19:27:14] [INFO ] Deduced a trap composed of 26 places in 672 ms of which 1 ms to minimize.
[2022-05-20 19:27:15] [INFO ] Deduced a trap composed of 28 places in 686 ms of which 1 ms to minimize.
[2022-05-20 19:27:16] [INFO ] Deduced a trap composed of 26 places in 666 ms of which 0 ms to minimize.
[2022-05-20 19:27:16] [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 close... while checking expression at index 3
[2022-05-20 19:27:16] [INFO ] [Real]Adding state equation constraints to refine reachable states.
[2022-05-20 19:27:16] [INFO ] [Real]Absence check using state equation in 770 ms returned sat
[2022-05-20 19:27:16] [INFO ] Solution in real domain found non-integer solution.
[2022-05-20 19:27:16] [INFO ] [Nat]Adding state equation constraints to refine reachable states.
[2022-05-20 19:27:17] [INFO ] [Nat]Absence check using state equation in 590 ms returned sat
[2022-05-20 19:27:18] [INFO ] [Nat]Added 841 Read/Feed constraints in 1283 ms returned sat
[2022-05-20 19:27:19] [INFO ] Deduced a trap composed of 28 places in 434 ms of which 1 ms to minimize.
[2022-05-20 19:27:19] [INFO ] Trap strengthening (SAT) tested/added 2/1 trap constraints in 600 ms
[2022-05-20 19:27:19] [INFO ] Computed and/alt/rep : 40/80/40 causal constraints (skipped 1685 transitions) in 404 ms.
[2022-05-20 19:27:22] [INFO ] Deduced a trap composed of 2 places in 886 ms of which 1 ms to minimize.
[2022-05-20 19:27:22] [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 close... while checking expression at index 4
[2022-05-20 19:27:22] [INFO ] [Real]Adding state equation constraints to refine reachable states.
[2022-05-20 19:27:23] [INFO ] [Real]Absence check using state equation in 927 ms returned sat
[2022-05-20 19:27:23] [INFO ] Solution in real domain found non-integer solution.
[2022-05-20 19:27:23] [INFO ] [Nat]Adding state equation constraints to refine reachable states.
[2022-05-20 19:27:24] [INFO ] [Nat]Absence check using state equation in 512 ms returned sat
[2022-05-20 19:27:25] [INFO ] [Nat]Added 841 Read/Feed constraints in 961 ms returned sat
[2022-05-20 19:27:25] [INFO ] Deduced a trap composed of 26 places in 478 ms of which 1 ms to minimize.
[2022-05-20 19:27:26] [INFO ] Trap strengthening (SAT) tested/added 2/1 trap constraints in 642 ms
[2022-05-20 19:27:26] [INFO ] Computed and/alt/rep : 40/80/40 causal constraints (skipped 1685 transitions) in 423 ms.
[2022-05-20 19:27:28] [INFO ] Added : 20 causal constraints over 4 iterations in 2843 ms. Result :unknown
[2022-05-20 19:27:28] [INFO ] [Real]Adding state equation constraints to refine reachable states.
[2022-05-20 19:27:29] [INFO ] [Real]Absence check using state equation in 482 ms returned sat
[2022-05-20 19:27:29] [INFO ] Solution in real domain found non-integer solution.
[2022-05-20 19:27:29] [INFO ] [Nat]Adding state equation constraints to refine reachable states.
[2022-05-20 19:27:30] [INFO ] [Nat]Absence check using state equation in 636 ms returned sat
[2022-05-20 19:27:31] [INFO ] [Nat]Added 841 Read/Feed constraints in 1186 ms returned sat
[2022-05-20 19:27:32] [INFO ] Deduced a trap composed of 25 places in 705 ms of which 1 ms to minimize.
[2022-05-20 19:27:32] [INFO ] Deduced a trap composed of 108 places in 637 ms of which 1 ms to minimize.
[2022-05-20 19:27:33] [INFO ] Trap strengthening (SAT) tested/added 3/2 trap constraints in 1778 ms
[2022-05-20 19:27:33] [INFO ] Computed and/alt/rep : 40/80/40 causal constraints (skipped 1685 transitions) in 382 ms.
[2022-05-20 19:27:34] [INFO ] Added : 20 causal constraints over 4 iterations in 1345 ms. Result :unknown
[2022-05-20 19:27:34] [INFO ] [Real]Adding state equation constraints to refine reachable states.
[2022-05-20 19:27:35] [INFO ] [Real]Absence check using state equation in 883 ms returned sat
[2022-05-20 19:27:35] [INFO ] Solution in real domain found non-integer solution.
[2022-05-20 19:27:35] [INFO ] [Nat]Adding state equation constraints to refine reachable states.
[2022-05-20 19:27:36] [INFO ] [Nat]Absence check using state equation in 969 ms returned sat
[2022-05-20 19:27:37] [INFO ] [Nat]Added 841 Read/Feed constraints in 746 ms returned sat
[2022-05-20 19:27:37] [INFO ] Deduced a trap composed of 26 places in 504 ms of which 1 ms to minimize.
[2022-05-20 19:27:38] [INFO ] Deduced a trap composed of 25 places in 551 ms of which 1 ms to minimize.
[2022-05-20 19:27:38] [INFO ] Trap strengthening (SAT) tested/added 3/2 trap constraints in 1275 ms
[2022-05-20 19:27:38] [INFO ] Computed and/alt/rep : 40/80/40 causal constraints (skipped 1685 transitions) in 316 ms.
[2022-05-20 19:27:41] [INFO ] Deduced a trap composed of 2 places in 841 ms of which 1 ms to minimize.
[2022-05-20 19:27:41] [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 close... while checking expression at index 7
[2022-05-20 19:27:41] [INFO ] [Real]Adding state equation constraints to refine reachable states.
[2022-05-20 19:27:42] [INFO ] [Real]Absence check using state equation in 725 ms returned sat
[2022-05-20 19:27:42] [INFO ] Solution in real domain found non-integer solution.
[2022-05-20 19:27:42] [INFO ] [Nat]Adding state equation constraints to refine reachable states.
[2022-05-20 19:27:43] [INFO ] [Nat]Absence check using state equation in 818 ms returned sat
[2022-05-20 19:27:43] [INFO ] [Nat]Added 841 Read/Feed constraints in 802 ms returned sat
[2022-05-20 19:27:44] [INFO ] Deduced a trap composed of 26 places in 715 ms of which 1 ms to minimize.
[2022-05-20 19:27:45] [INFO ] Deduced a trap composed of 25 places in 694 ms of which 1 ms to minimize.
[2022-05-20 19:27:45] [INFO ] Trap strengthening (SAT) tested/added 3/2 trap constraints in 1693 ms
[2022-05-20 19:27:45] [INFO ] Computed and/alt/rep : 40/80/40 causal constraints (skipped 1685 transitions) in 395 ms.
[2022-05-20 19:27:47] [INFO ] Added : 20 causal constraints over 4 iterations in 1635 ms. Result :unknown
[2022-05-20 19:27:47] [INFO ] [Real]Adding state equation constraints to refine reachable states.
[2022-05-20 19:27:47] [INFO ] [Real]Absence check using state equation in 440 ms returned sat
[2022-05-20 19:27:47] [INFO ] Solution in real domain found non-integer solution.
[2022-05-20 19:27:47] [INFO ] [Nat]Adding state equation constraints to refine reachable states.
[2022-05-20 19:27:48] [INFO ] [Nat]Absence check using state equation in 808 ms returned sat
[2022-05-20 19:27:49] [INFO ] [Nat]Added 841 Read/Feed constraints in 944 ms returned sat
[2022-05-20 19:27:50] [INFO ] Deduced a trap composed of 27 places in 728 ms of which 1 ms to minimize.
[2022-05-20 19:27:50] [INFO ] Trap strengthening (SAT) tested/added 2/1 trap constraints in 905 ms
[2022-05-20 19:27:50] [INFO ] Computed and/alt/rep : 40/80/40 causal constraints (skipped 1685 transitions) in 377 ms.
[2022-05-20 19:27:52] [INFO ] Added : 20 causal constraints over 4 iterations in 2290 ms. Result :unknown
[2022-05-20 19:27:52] [INFO ] [Real]Adding state equation constraints to refine reachable states.
[2022-05-20 19:27:53] [INFO ] [Real]Absence check using state equation in 485 ms returned sat
[2022-05-20 19:27:53] [INFO ] Solution in real domain found non-integer solution.
[2022-05-20 19:27:53] [INFO ] [Nat]Adding state equation constraints to refine reachable states.
[2022-05-20 19:27:54] [INFO ] [Nat]Absence check using state equation in 652 ms returned sat
[2022-05-20 19:27:54] [INFO ] [Nat]Added 841 Read/Feed constraints in 769 ms returned sat
[2022-05-20 19:27:55] [INFO ] Deduced a trap composed of 26 places in 651 ms of which 1 ms to minimize.
[2022-05-20 19:27:55] [INFO ] Trap strengthening (SAT) tested/added 2/1 trap constraints in 826 ms
[2022-05-20 19:27:56] [INFO ] Computed and/alt/rep : 40/80/40 causal constraints (skipped 1685 transitions) in 377 ms.
[2022-05-20 19:27:58] [INFO ] Deduced a trap composed of 25 places in 553 ms of which 1 ms to minimize.
[2022-05-20 19:27:58] [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 close... while checking expression at index 10
[2022-05-20 19:27:58] [INFO ] [Real]Adding state equation constraints to refine reachable states.
[2022-05-20 19:27:59] [INFO ] [Real]Absence check using state equation in 629 ms returned sat
[2022-05-20 19:27:59] [INFO ] Solution in real domain found non-integer solution.
[2022-05-20 19:27:59] [INFO ] [Nat]Adding state equation constraints to refine reachable states.
[2022-05-20 19:27:59] [INFO ] [Nat]Absence check using state equation in 688 ms returned sat
[2022-05-20 19:28:00] [INFO ] [Nat]Added 841 Read/Feed constraints in 614 ms returned sat
[2022-05-20 19:28:01] [INFO ] Deduced a trap composed of 23 places in 739 ms of which 1 ms to minimize.
[2022-05-20 19:28:01] [INFO ] Trap strengthening (SAT) tested/added 2/1 trap constraints in 932 ms
[2022-05-20 19:28:01] [INFO ] Computed and/alt/rep : 40/80/40 causal constraints (skipped 1685 transitions) in 373 ms.
[2022-05-20 19:28:04] [INFO ] Added : 20 causal constraints over 4 iterations in 2719 ms. Result :unknown
[2022-05-20 19:28:04] [INFO ] [Real]Adding state equation constraints to refine reachable states.
[2022-05-20 19:28:04] [INFO ] [Real]Absence check using state equation in 514 ms returned sat
[2022-05-20 19:28:04] [INFO ] Solution in real domain found non-integer solution.
[2022-05-20 19:28:04] [INFO ] [Nat]Adding state equation constraints to refine reachable states.
[2022-05-20 19:28:05] [INFO ] [Nat]Absence check using state equation in 857 ms returned sat
[2022-05-20 19:28:06] [INFO ] [Nat]Added 841 Read/Feed constraints in 872 ms returned sat
[2022-05-20 19:28:07] [INFO ] Deduced a trap composed of 27 places in 711 ms of which 1 ms to minimize.
[2022-05-20 19:28:07] [INFO ] Trap strengthening (SAT) tested/added 2/1 trap constraints in 890 ms
[2022-05-20 19:28:07] [INFO ] Computed and/alt/rep : 40/80/40 causal constraints (skipped 1685 transitions) in 383 ms.
[2022-05-20 19:28:09] [INFO ] Added : 20 causal constraints over 4 iterations in 2326 ms. Result :unknown
[2022-05-20 19:28:09] [INFO ] [Real]Adding state equation constraints to refine reachable states.
[2022-05-20 19:28:10] [INFO ] [Real]Absence check using state equation in 533 ms returned sat
[2022-05-20 19:28:10] [INFO ] Solution in real domain found non-integer solution.
[2022-05-20 19:28:10] [INFO ] [Nat]Adding state equation constraints to refine reachable states.
[2022-05-20 19:28:11] [INFO ] [Nat]Absence check using state equation in 1348 ms returned sat
[2022-05-20 19:28:12] [INFO ] [Nat]Added 841 Read/Feed constraints in 719 ms returned sat
[2022-05-20 19:28:13] [INFO ] Deduced a trap composed of 23 places in 670 ms of which 1 ms to minimize.
[2022-05-20 19:28:13] [INFO ] Trap strengthening (SAT) tested/added 2/1 trap constraints in 849 ms
[2022-05-20 19:28:13] [INFO ] Computed and/alt/rep : 40/80/40 causal constraints (skipped 1685 transitions) in 378 ms.
[2022-05-20 19:28:15] [INFO ] Added : 40 causal constraints over 8 iterations in 2062 ms. Result :unknown
[2022-05-20 19:28:15] [INFO ] [Real]Adding state equation constraints to refine reachable states.
[2022-05-20 19:28:16] [INFO ] [Real]Absence check using state equation in 784 ms returned sat
[2022-05-20 19:28:16] [INFO ] Solution in real domain found non-integer solution.
[2022-05-20 19:28:16] [INFO ] [Nat]Adding state equation constraints to refine reachable states.
[2022-05-20 19:28:17] [INFO ] [Nat]Absence check using state equation in 828 ms returned sat
[2022-05-20 19:28:17] [INFO ] [Nat]Added 841 Read/Feed constraints in 566 ms returned sat
[2022-05-20 19:28:18] [INFO ] Deduced a trap composed of 23 places in 676 ms of which 1 ms to minimize.
[2022-05-20 19:28:18] [INFO ] Trap strengthening (SAT) tested/added 2/1 trap constraints in 864 ms
[2022-05-20 19:28:19] [INFO ] Computed and/alt/rep : 40/80/40 causal constraints (skipped 1685 transitions) in 368 ms.
[2022-05-20 19:28:21] [INFO ] Added : 20 causal constraints over 4 iterations in 2687 ms. Result :unknown
[2022-05-20 19:28:21] [INFO ] [Real]Adding state equation constraints to refine reachable states.
[2022-05-20 19:28:21] [INFO ] [Real]Absence check using state equation in 495 ms returned sat
[2022-05-20 19:28:22] [INFO ] Solution in real domain found non-integer solution.
[2022-05-20 19:28:22] [INFO ] [Nat]Adding state equation constraints to refine reachable states.
[2022-05-20 19:28:23] [INFO ] [Nat]Absence check using state equation in 1090 ms returned sat
[2022-05-20 19:28:24] [INFO ] [Nat]Added 841 Read/Feed constraints in 1152 ms returned sat
[2022-05-20 19:28:24] [INFO ] Deduced a trap composed of 34 places in 433 ms of which 1 ms to minimize.
[2022-05-20 19:28:24] [INFO ] Trap strengthening (SAT) tested/added 2/1 trap constraints in 595 ms
[2022-05-20 19:28:25] [INFO ] Computed and/alt/rep : 40/80/40 causal constraints (skipped 1685 transitions) in 384 ms.
[2022-05-20 19:28:27] [INFO ] Added : 20 causal constraints over 4 iterations in 2127 ms. Result :unknown
[2022-05-20 19:28:27] [INFO ] [Real]Adding state equation constraints to refine reachable states.
[2022-05-20 19:28:27] [INFO ] [Real]Absence check using state equation in 781 ms returned sat
[2022-05-20 19:28:27] [INFO ] Solution in real domain found non-integer solution.
[2022-05-20 19:28:27] [INFO ] [Nat]Adding state equation constraints to refine reachable states.
[2022-05-20 19:28:29] [INFO ] [Nat]Absence check using state equation in 1240 ms returned sat
[2022-05-20 19:28:29] [INFO ] [Nat]Added 841 Read/Feed constraints in 668 ms returned sat
[2022-05-20 19:28:30] [INFO ] Deduced a trap composed of 25 places in 651 ms of which 1 ms to minimize.
[2022-05-20 19:28:30] [INFO ] Trap strengthening (SAT) tested/added 2/1 trap constraints in 832 ms
[2022-05-20 19:28:31] [INFO ] Computed and/alt/rep : 40/80/40 causal constraints (skipped 1685 transitions) in 407 ms.
[2022-05-20 19:28:32] [INFO ] Added : 20 causal constraints over 4 iterations in 2207 ms. Result :unknown
[2022-05-20 19:28:32] [INFO ] [Real]Adding state equation constraints to refine reachable states.
[2022-05-20 19:28:33] [INFO ] [Real]Absence check using state equation in 639 ms returned sat
[2022-05-20 19:28:33] [INFO ] Solution in real domain found non-integer solution.
[2022-05-20 19:28:33] [INFO ] [Nat]Adding state equation constraints to refine reachable states.
[2022-05-20 19:28:34] [INFO ] [Nat]Absence check using state equation in 841 ms returned sat
[2022-05-20 19:28:35] [INFO ] [Nat]Added 841 Read/Feed constraints in 511 ms returned sat
[2022-05-20 19:28:35] [INFO ] Deduced a trap composed of 32 places in 623 ms of which 1 ms to minimize.
[2022-05-20 19:28:36] [INFO ] Deduced a trap composed of 33 places in 684 ms of which 1 ms to minimize.
[2022-05-20 19:28:36] [INFO ] Trap strengthening (SAT) tested/added 3/2 trap constraints in 1573 ms
[2022-05-20 19:28:37] [INFO ] Computed and/alt/rep : 40/80/40 causal constraints (skipped 1685 transitions) in 392 ms.
[2022-05-20 19:28:38] [INFO ] Added : 20 causal constraints over 4 iterations in 2017 ms. Result :unknown
Fused 18 Parikh solutions to 12 different solutions.
Incomplete Parikh walk after 93340 steps, including 1000 resets, run finished after 1112 ms. (steps per millisecond=83 ) properties (out of 18) seen :0 could not realise parikh vector
Incomplete Parikh walk after 84210 steps, including 1000 resets, run finished after 762 ms. (steps per millisecond=110 ) properties (out of 18) seen :0 could not realise parikh vector
Incomplete Parikh walk after 84270 steps, including 1000 resets, run finished after 793 ms. (steps per millisecond=106 ) properties (out of 18) seen :0 could not realise parikh vector
Incomplete Parikh walk after 86490 steps, including 1000 resets, run finished after 983 ms. (steps per millisecond=87 ) properties (out of 18) seen :0 could not realise parikh vector
Incomplete Parikh walk after 82870 steps, including 1000 resets, run finished after 765 ms. (steps per millisecond=108 ) properties (out of 18) seen :0 could not realise parikh vector
Incomplete Parikh walk after 78570 steps, including 1000 resets, run finished after 878 ms. (steps per millisecond=89 ) properties (out of 18) seen :0 could not realise parikh vector
Incomplete Parikh walk after 83160 steps, including 1000 resets, run finished after 775 ms. (steps per millisecond=107 ) properties (out of 18) seen :0 could not realise parikh vector
Incomplete Parikh walk after 79180 steps, including 1000 resets, run finished after 716 ms. (steps per millisecond=110 ) properties (out of 18) seen :0 could not realise parikh vector
Incomplete Parikh walk after 82200 steps, including 1000 resets, run finished after 927 ms. (steps per millisecond=88 ) properties (out of 18) seen :0 could not realise parikh vector
Incomplete Parikh walk after 77440 steps, including 1000 resets, run finished after 898 ms. (steps per millisecond=86 ) properties (out of 18) seen :0 could not realise parikh vector
Incomplete Parikh walk after 76650 steps, including 1000 resets, run finished after 749 ms. (steps per millisecond=102 ) properties (out of 18) seen :0 could not realise parikh vector
Support contains 18 out of 194 places. Attempting structural reductions.
Starting structural reductions, iteration 0 : 194/194 places, 2205/2205 transitions.
Performed 2 Post agglomeration using F-continuation condition.Transition count delta: 2
Deduced a syphon composed of 2 places in 6 ms
Reduce places removed 2 places and 0 transitions.
Iterating global reduction 0 with 4 rules applied. Total rules applied 4 place count 192 transition count 2203
Performed 20 Post agglomeration using F-continuation condition.Transition count delta: 20
Deduced a syphon composed of 20 places in 8 ms
Reduce places removed 40 places and 0 transitions.
Iterating global reduction 0 with 60 rules applied. Total rules applied 64 place count 152 transition count 2183
Performed 20 Post agglomeration using F-continuation condition.Transition count delta: 20
Deduced a syphon composed of 20 places in 7 ms
Reduce places removed 20 places and 0 transitions.
Iterating global reduction 0 with 40 rules applied. Total rules applied 104 place count 132 transition count 2163
Free-agglomeration rule (complex) applied 20 times.
Iterating global reduction 0 with 20 rules applied. Total rules applied 124 place count 132 transition count 2143
Reduce places removed 20 places and 0 transitions.
Iterating post reduction 0 with 20 rules applied. Total rules applied 144 place count 112 transition count 2143
Applied a total of 144 rules in 700 ms. Remains 112 /194 variables (removed 82) and now considering 2143/2205 (removed 62) transitions.
Finished structural reductions, in 1 iterations. Remains : 112/194 places, 2143/2205 transitions.
[2022-05-20 19:28:49] [INFO ] Flatten gal took : 581 ms
[2022-05-20 19:28:49] [INFO ] Flatten gal took : 172 ms
[2022-05-20 19:28:49] [INFO ] Time to serialize gal into /tmp/ReachabilityCardinality5505249838146680965.gal : 85 ms
[2022-05-20 19:28:49] [INFO ] Time to serialize properties into /tmp/ReachabilityCardinality10676813643095411886.prop : 1 ms
Invoking ITS tools like this :CommandLine [args=[/home/mcc/BenchKit/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202104292328/bin/its-reach-linux64, --gc-threshold, 2000000, --quiet, -i, /tmp/ReachabilityCardinality5505249838146680965.gal, -t, CGAL, -reachable-file, /tmp/ReachabilityCardinality10676813643095411886.prop, --nowitness, --gen-order, FOLLOW], workingDir=/home/mcc/execution]

its-reach command run as :

/home/mcc/BenchKit/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202104292328/bin/its-reach-linux64 --gc-threshold 2000000 --quiet -i /tmp/ReachabilityCardinality5505249838146680965.gal -t CGAL -reachable-file /tmp/ReachabilityCardinality10676813643095411886.prop --nowitness --gen-order FOLLOW
Loading property file /tmp/ReachabilityCardinality10676813643095411886.prop.
SDD proceeding with computation,18 properties remain. new max is 4
SDD size :1 after 12
SDD proceeding with computation,18 properties remain. new max is 8
SDD size :12 after 114
SDD proceeding with computation,18 properties remain. new max is 16
SDD size :114 after 125
SDD proceeding with computation,18 properties remain. new max is 32
SDD size :125 after 675
SDD proceeding with computation,18 properties remain. new max is 64
SDD size :675 after 3113
SDD proceeding with computation,18 properties remain. new max is 128
SDD size :3113 after 10206
SDD proceeding with computation,18 properties remain. new max is 256
SDD size :10206 after 10476
SDD proceeding with computation,18 properties remain. new max is 512
SDD size :10476 after 29228
SDD proceeding with computation,18 properties remain. new max is 1024
SDD size :29228 after 68385
SDD proceeding with computation,18 properties remain. new max is 2048
SDD size :68385 after 142070
SDD proceeding with computation,18 properties remain. new max is 4096
SDD size :142070 after 364510
SDD proceeding with computation,18 properties remain. new max is 8192
SDD size :364510 after 621974
SDD proceeding with computation,18 properties remain. new max is 16384
SDD size :621974 after 1.50556e+06
Detected timeout of ITS tools.
[2022-05-20 19:29:05] [INFO ] Flatten gal took : 135 ms
[2022-05-20 19:29:05] [INFO ] Applying decomposition
[2022-05-20 19:29:05] [INFO ] Flatten gal took : 141 ms
Converted graph to binary with : CommandLine [args=[/home/mcc/BenchKit/itstools/plugins/fr.lip6.move.gal.louvain.binaries_1.0.0.202104292328/bin/convert-linux64, -i, /tmp/graph6057680287116667957.txt, -o, /tmp/graph6057680287116667957.bin, -w, /tmp/graph6057680287116667957.weights], workingDir=null]
Built communities with : CommandLine [args=[/home/mcc/BenchKit/itstools/plugins/fr.lip6.move.gal.louvain.binaries_1.0.0.202104292328/bin/louvain-linux64, /tmp/graph6057680287116667957.bin, -l, -1, -v, -w, /tmp/graph6057680287116667957.weights, -q, 0, -e, 0.001], workingDir=null]
[2022-05-20 19:29:05] [INFO ] Decomposing Gal with order
[2022-05-20 19:29:05] [INFO ] Rewriting arrays to variables to allow decomposition.
[2022-05-20 19:29:06] [INFO ] Removed a total of 7145 redundant transitions.
[2022-05-20 19:29:06] [INFO ] Flatten gal took : 656 ms
[2022-05-20 19:29:06] [INFO ] Fuse similar labels procedure discarded/fused a total of 183 labels/synchronizations in 104 ms.
[2022-05-20 19:29:06] [INFO ] Time to serialize gal into /tmp/ReachabilityCardinality5939775901260352730.gal : 23 ms
[2022-05-20 19:29:07] [INFO ] Time to serialize properties into /tmp/ReachabilityCardinality14699388669469941411.prop : 73 ms
Invoking ITS tools like this :CommandLine [args=[/home/mcc/BenchKit/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202104292328/bin/its-reach-linux64, --gc-threshold, 2000000, --quiet, -i, /tmp/ReachabilityCardinality5939775901260352730.gal, -t, CGAL, -reachable-file, /tmp/ReachabilityCardinality14699388669469941411.prop, --nowitness], workingDir=/home/mcc/execution]

its-reach command run as :

/home/mcc/BenchKit/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202104292328/bin/its-reach-linux64 --gc-threshold 2000000 --quiet -i /tmp/ReachabilityCardinality5939775901260352730.gal -t CGAL -reachable-file /tmp/ReachabilityCardinality14699388669469941411.prop --nowitness
Loading property file /tmp/ReachabilityCardinality14699388669469941411.prop.
Model ,|S| ,Time ,Mem(kb) ,fin. SDD ,fin. DDD ,peak SDD ,peak DDD ,SDD Hom ,SDD cache peak ,DDD Hom ,DDD cachepeak ,SHom cache
petri\_inst\_inst\_mod\_flat,3.93323e+10,6.887,98008,2190,53,152548,385,2358,149884,106,818,0
Total reachable state count : 39332348412

Verifying 18 reachability properties.
Invariant property smplace_164 is true.
FORMULA StableMarking TRUE TECHNIQUES RANDOM_WALK MARKED_SUFFIX_TEST DECISION_DIAGRAMS COLLATERAL_PROCESSING TOPOLOGICAL USE_NUPN
ITS tools runner thread asked to quit. Dying gracefully.

BK_STOP 1653074955401

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

+ export BINDIR=/home/mcc/BenchKit/bin//../
+ BINDIR=/home/mcc/BenchKit/bin//../
++ pwd
+ export MODEL=/home/mcc/execution
+ MODEL=/home/mcc/execution
+ [[ StableMarking = StateSpace ]]
+ /home/mcc/BenchKit/bin//..//runeclipse.sh /home/mcc/execution StableMarking -its -ltsmin -greatspnpath /home/mcc/BenchKit/bin//..//greatspn/ -order META -manyOrder -smt -timeout 1800
+ ulimit -s 65536
+ [[ -z '' ]]
+ export LTSMIN_MEM_SIZE=8589934592
+ LTSMIN_MEM_SIZE=8589934592
++ cut -d . -f 9
++ ls /home/mcc/BenchKit/bin//..//itstools/plugins/fr.lip6.move.gal.application.pnmcc_1.0.0.202104292328.jar
+ VERSION=0
+ echo 'Running Version 0'
+ /home/mcc/BenchKit/bin//..//itstools/its-tools -data /home/mcc/execution/workspace -pnfolder /home/mcc/execution -examination StableMarking -spotpath /home/mcc/BenchKit/bin//..//ltlfilt -z3path /home/mcc/BenchKit/bin//..//z3/bin/z3 -yices2path /home/mcc/BenchKit/bin//..//yices/bin/yices -its -ltsmin -greatspnpath /home/mcc/BenchKit/bin//..//greatspn/ -order META -manyOrder -smt -timeout 1800 -vmargs -Dosgi.locking=none -Declipse.stateSaveDelayInterval=-1 -Dosgi.configuration.area=/tmp/.eclipse -Xss128m -Xms40m -Xmx16000m

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="SimpleLoadBal-PT-20"
export BK_EXAMINATION="StableMarking"
export BK_TOOL="gold2021"
export BK_RESULT_DIR="/tmp/BK_RESULTS/OUTPUTS"
export BK_TIME_CONFINEMENT="1800"
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 gold2021"
echo " Input is SimpleLoadBal-PT-20, examination is StableMarking"
echo " Time confinement is $BK_TIME_CONFINEMENT seconds"
echo " Memory confinement is 16384 MBytes"
echo " Number of cores is 4"
echo " Run identifier is r252-smll-165303245100023"
echo "====================================================================="
echo
echo "--------------------"
echo "preparation of the directory to be used:"

tar xzf /home/mcc/BenchKit/INPUTS/SimpleLoadBal-PT-20.tgz
mv SimpleLoadBal-PT-20 execution
cd execution
if [ "StableMarking" = "ReachabilityDeadlock" ] || [ "StableMarking" = "UpperBounds" ] || [ "StableMarking" = "QuasiLiveness" ] || [ "StableMarking" = "StableMarking" ] || [ "StableMarking" = "Liveness" ] || [ "StableMarking" = "OneSafe" ] || [ "StableMarking" = "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 [ "StableMarking" = "UpperBounds" ] ; then
echo "The expected result is a vector of positive values"
echo NUM_VECTOR
elif [ "StableMarking" != "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 "StableMarking.txt" ] ; then
echo "here is the order used to build the result vector(from text file)"
for x in $(grep Property StableMarking.txt | cut -d ' ' -f 2 | sort -u) ; do
echo "FORMULA_NAME $x"
done
elif [ -f "StableMarking.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 '' StableMarking.xml | cut -d '>' -f 2 | cut -d '<' -f 1 | sort -u) ; do
echo "FORMULA_NAME $x"
done
elif [ "StableMarking" = "ReachabilityDeadlock" ] || [ "StableMarking" = "QuasiLiveness" ] || [ "StableMarking" = "StableMarking" ] || [ "StableMarking" = "Liveness" ] || [ "StableMarking" = "OneSafe" ] ; then
echo "FORMULA_NAME StableMarking"
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 ;