Execution Chart

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

Trace from the execution

Formatting '/mnt/tpsp/fkordon/mcc2023-input.r042-tajo-167813696100714.qcow2', fmt=qcow2 size=4294967296 backing_file='/mnt/tpsp/fkordon/mcc2023-input.qcow2' encryption=off cluster_size=65536 lazy_refcounts=off
Waiting for the VM to be ready (probing ssh)
.............................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................
=====================================================================
Generated by BenchKit 2-5348
Executing tool marciexred
Input is CANInsertWithFailure-PT-020, examination is CTLFireability
Time confinement is 3600 seconds
Memory confinement is 16384 MBytes
Number of cores is 4
Run identifier is r042-tajo-167813696100714
=====================================================================

--------------------
preparation of the directory to be used:
/home/mcc/execution
total 3.1M
-rw-r--r-- 1 mcc users 9.6K Feb 26 00:55 CTLCardinality.txt
-rw-r--r-- 1 mcc users 81K Feb 26 00:55 CTLCardinality.xml
-rw-r--r-- 1 mcc users 7.4K Feb 26 00:48 CTLFireability.txt
-rw-r--r-- 1 mcc users 53K Feb 26 00:48 CTLFireability.xml
-rw-r--r-- 1 mcc users 5.0K Feb 25 15:40 LTLCardinality.txt
-rw-r--r-- 1 mcc users 29K Feb 25 15:40 LTLCardinality.xml
-rw-r--r-- 1 mcc users 2.9K Feb 25 15:40 LTLFireability.txt
-rw-r--r-- 1 mcc users 16K Feb 25 15:40 LTLFireability.xml
-rw-r--r-- 1 mcc users 21K Feb 26 01:00 ReachabilityCardinality.txt
-rw-r--r-- 1 mcc users 173K Feb 26 01:00 ReachabilityCardinality.xml
-rw-r--r-- 1 mcc users 13K Feb 26 00:58 ReachabilityFireability.txt
-rw-r--r-- 1 mcc users 84K Feb 26 00:58 ReachabilityFireability.xml
-rw-r--r-- 1 mcc users 2.0K Feb 25 15:40 UpperBounds.txt
-rw-r--r-- 1 mcc users 4.0K Feb 25 15:40 UpperBounds.xml
-rw-r--r-- 1 mcc users 6 Mar 5 18:22 equiv_col
-rw-r--r-- 1 mcc users 4 Mar 5 18:22 instance
-rw-r--r-- 1 mcc users 6 Mar 5 18:22 iscolored
-rw-r--r-- 1 mcc users 2.6M Mar 5 18:22 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 CANInsertWithFailure-PT-020-CTLFireability-00
FORMULA_NAME CANInsertWithFailure-PT-020-CTLFireability-01
FORMULA_NAME CANInsertWithFailure-PT-020-CTLFireability-02
FORMULA_NAME CANInsertWithFailure-PT-020-CTLFireability-03
FORMULA_NAME CANInsertWithFailure-PT-020-CTLFireability-04
FORMULA_NAME CANInsertWithFailure-PT-020-CTLFireability-05
FORMULA_NAME CANInsertWithFailure-PT-020-CTLFireability-06
FORMULA_NAME CANInsertWithFailure-PT-020-CTLFireability-07
FORMULA_NAME CANInsertWithFailure-PT-020-CTLFireability-08
FORMULA_NAME CANInsertWithFailure-PT-020-CTLFireability-09
FORMULA_NAME CANInsertWithFailure-PT-020-CTLFireability-10
FORMULA_NAME CANInsertWithFailure-PT-020-CTLFireability-11
FORMULA_NAME CANInsertWithFailure-PT-020-CTLFireability-12
FORMULA_NAME CANInsertWithFailure-PT-020-CTLFireability-13
FORMULA_NAME CANInsertWithFailure-PT-020-CTLFireability-14
FORMULA_NAME CANInsertWithFailure-PT-020-CTLFireability-15

=== Now, execution of the tool begins

BK_START 1678743457155

bash -c /home/mcc/BenchKit/BenchKit_head.sh 2> STDERR ; echo ; echo -n "BK_STOP " ; date -u +%s%3N
Invoking MCC driver with
BK_TOOL=marciexred
BK_EXAMINATION=CTLFireability
BK_BIN_PATH=/home/mcc/BenchKit/bin/
BK_TIME_CONFINEMENT=3600
BK_INPUT=CANInsertWithFailure-PT-020
Applying reductions before tool marcie
Invoking reducer
Running Version 202303021504
[2023-03-13 21:37:39] [INFO ] Running its-tools with arguments : [-pnfolder, /home/mcc/execution, -examination, CTLFireability, -timeout, 360, -rebuildPNML]
[2023-03-13 21:37:39] [INFO ] Parsing pnml file : /home/mcc/execution/model.pnml
[2023-03-13 21:37:39] [INFO ] Load time of PNML (sax parser for PT used): 140 ms
[2023-03-13 21:37:39] [INFO ] Transformed 1044 places.
[2023-03-13 21:37:39] [INFO ] Transformed 2520 transitions.
[2023-03-13 21:37:39] [INFO ] Parsed PT model containing 1044 places and 2520 transitions and 6800 arcs in 206 ms.
Parsed 16 properties from file /home/mcc/execution/CTLFireability.xml in 9 ms.
Support contains 130 out of 1044 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 1044/1044 places, 2520/2520 transitions.
Reduce places removed 1 places and 0 transitions.
Iterating post reduction 0 with 1 rules applied. Total rules applied 1 place count 1043 transition count 2520
Applied a total of 1 rules in 79 ms. Remains 1043 /1044 variables (removed 1) and now considering 2520/2520 (removed 0) transitions.
// Phase 1: matrix 2520 rows 1043 cols
[2023-03-13 21:37:39] [INFO ] Computed 22 place invariants in 76 ms
[2023-03-13 21:37:39] [INFO ] Implicit Places using invariants in 387 ms returned []
[2023-03-13 21:37:39] [INFO ] Invariant cache hit.
[2023-03-13 21:37:40] [INFO ] State equation strengthened by 780 read => feed constraints.
[2023-03-13 21:37:41] [INFO ] Implicit Places using invariants and state equation in 1731 ms returned []
Implicit Place search using SMT with State Equation took 2144 ms to find 0 implicit places.
[2023-03-13 21:37:41] [INFO ] Invariant cache hit.
[2023-03-13 21:37:42] [INFO ] Dead Transitions using invariants and state equation in 1035 ms found 0 transitions.
Starting structural reductions in LTL mode, iteration 1 : 1043/1044 places, 2520/2520 transitions.
Finished structural reductions in LTL mode , in 1 iterations and 3274 ms. Remains : 1043/1044 places, 2520/2520 transitions.
Support contains 130 out of 1043 places after structural reductions.
[2023-03-13 21:37:43] [INFO ] Flatten gal took : 239 ms
[2023-03-13 21:37:43] [INFO ] Flatten gal took : 187 ms
[2023-03-13 21:37:43] [INFO ] Input system was already deterministic with 2520 transitions.
Support contains 129 out of 1043 places (down from 130) after GAL structural reductions.
Incomplete random walk after 10000 steps, including 21 resets, run finished after 580 ms. (steps per millisecond=17 ) properties (out of 90) seen :76
Incomplete Best-First random walk after 10001 steps, including 2 resets, run finished after 13 ms. (steps per millisecond=769 ) properties (out of 14) seen :2
Incomplete Best-First random walk after 10001 steps, including 2 resets, run finished after 20 ms. (steps per millisecond=500 ) properties (out of 12) seen :0
Incomplete Best-First random walk after 10001 steps, including 2 resets, run finished after 16 ms. (steps per millisecond=625 ) properties (out of 12) seen :0
Incomplete Best-First random walk after 10001 steps, including 2 resets, run finished after 20 ms. (steps per millisecond=500 ) properties (out of 12) seen :0
Incomplete Best-First random walk after 10001 steps, including 2 resets, run finished after 19 ms. (steps per millisecond=526 ) properties (out of 12) seen :1
Incomplete Best-First random walk after 10001 steps, including 2 resets, run finished after 16 ms. (steps per millisecond=625 ) properties (out of 11) seen :0
Incomplete Best-First random walk after 10001 steps, including 2 resets, run finished after 11 ms. (steps per millisecond=909 ) properties (out of 11) seen :0
Incomplete Best-First random walk after 10001 steps, including 2 resets, run finished after 17 ms. (steps per millisecond=588 ) properties (out of 11) seen :0
Incomplete Best-First random walk after 10001 steps, including 2 resets, run finished after 18 ms. (steps per millisecond=555 ) properties (out of 11) seen :0
Incomplete Best-First random walk after 10001 steps, including 2 resets, run finished after 15 ms. (steps per millisecond=666 ) properties (out of 11) seen :0
Incomplete Best-First random walk after 10001 steps, including 2 resets, run finished after 17 ms. (steps per millisecond=588 ) properties (out of 11) seen :0
Incomplete Best-First random walk after 10000 steps, including 2 resets, run finished after 14 ms. (steps per millisecond=714 ) properties (out of 11) seen :1
Running SMT prover for 10 properties.
[2023-03-13 21:37:44] [INFO ] Invariant cache hit.
[2023-03-13 21:37:45] [INFO ] [Real]Absence check using 20 positive place invariants in 12 ms returned sat
[2023-03-13 21:37:45] [INFO ] [Real]Absence check using 20 positive and 2 generalized place invariants in 11 ms returned sat
[2023-03-13 21:37:46] [INFO ] After 1838ms SMT Verify possible using all constraints in real domain returned unsat :0 sat :0 real:10
[2023-03-13 21:37:46] [INFO ] [Nat]Absence check using 20 positive place invariants in 13 ms returned sat
[2023-03-13 21:37:46] [INFO ] [Nat]Absence check using 20 positive and 2 generalized place invariants in 7 ms returned sat
[2023-03-13 21:37:48] [INFO ] After 1175ms SMT Verify possible using state equation in natural domain returned unsat :0 sat :10
[2023-03-13 21:37:48] [INFO ] State equation strengthened by 780 read => feed constraints.
[2023-03-13 21:37:49] [INFO ] After 1722ms SMT Verify possible using 780 Read/Feed constraints in natural domain returned unsat :0 sat :10
[2023-03-13 21:37:51] [INFO ] After 3117ms SMT Verify possible using trap constraints in natural domain returned unsat :0 sat :10
Attempting to minimize the solution found.
Minimization took 1135 ms.
[2023-03-13 21:37:52] [INFO ] After 5993ms SMT Verify possible using all constraints in natural domain returned unsat :0 sat :10
Parikh walk visited 4 properties in 222 ms.
Support contains 20 out of 1043 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 1043/1043 places, 2520/2520 transitions.
Drop transitions removed 132 transitions
Trivial Post-agglo rules discarded 132 transitions
Performed 132 trivial Post agglomeration. Transition count delta: 132
Iterating post reduction 0 with 132 rules applied. Total rules applied 132 place count 1043 transition count 2388
Reduce places removed 132 places and 0 transitions.
Performed 1 Post agglomeration using F-continuation condition.Transition count delta: 1
Iterating post reduction 1 with 133 rules applied. Total rules applied 265 place count 911 transition count 2387
Reduce places removed 1 places and 0 transitions.
Iterating post reduction 2 with 1 rules applied. Total rules applied 266 place count 910 transition count 2387
Performed 2 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 3 with 2 Pre rules applied. Total rules applied 266 place count 910 transition count 2385
Deduced a syphon composed of 2 places in 2 ms
Reduce places removed 2 places and 0 transitions.
Iterating global reduction 3 with 4 rules applied. Total rules applied 270 place count 908 transition count 2385
Performed 370 Post agglomeration using F-continuation condition.Transition count delta: 370
Deduced a syphon composed of 370 places in 2 ms
Reduce places removed 370 places and 0 transitions.
Iterating global reduction 3 with 740 rules applied. Total rules applied 1010 place count 538 transition count 2015
Drop transitions removed 335 transitions
Redundant transition composition rules discarded 335 transitions
Iterating global reduction 3 with 335 rules applied. Total rules applied 1345 place count 538 transition count 1680
Free-agglomeration rule (complex) applied 5 times.
Iterating global reduction 3 with 5 rules applied. Total rules applied 1350 place count 538 transition count 1675
Reduce places removed 5 places and 0 transitions.
Iterating post reduction 3 with 5 rules applied. Total rules applied 1355 place count 533 transition count 1675
Partial Free-agglomeration rule applied 379 times.
Drop transitions removed 379 transitions
Iterating global reduction 4 with 379 rules applied. Total rules applied 1734 place count 533 transition count 1675
Partial Free-agglomeration rule applied 36 times.
Drop transitions removed 36 transitions
Iterating global reduction 4 with 36 rules applied. Total rules applied 1770 place count 533 transition count 1675
Applied a total of 1770 rules in 417 ms. Remains 533 /1043 variables (removed 510) and now considering 1675/2520 (removed 845) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 418 ms. Remains : 533/1043 places, 1675/2520 transitions.
Incomplete random walk after 10000 steps, including 104 resets, run finished after 248 ms. (steps per millisecond=40 ) properties (out of 6) seen :1
Incomplete Best-First random walk after 10001 steps, including 2 resets, run finished after 36 ms. (steps per millisecond=277 ) properties (out of 5) seen :0
Incomplete Best-First random walk after 10000 steps, including 4 resets, run finished after 25 ms. (steps per millisecond=400 ) properties (out of 5) seen :0
Incomplete Best-First random walk after 10001 steps, including 4 resets, run finished after 30 ms. (steps per millisecond=333 ) properties (out of 5) seen :0
Incomplete Best-First random walk after 10001 steps, including 3 resets, run finished after 19 ms. (steps per millisecond=526 ) properties (out of 5) seen :0
Incomplete Best-First random walk after 10001 steps, including 4 resets, run finished after 33 ms. (steps per millisecond=303 ) properties (out of 5) seen :0
Running SMT prover for 5 properties.
// Phase 1: matrix 1675 rows 533 cols
[2023-03-13 21:37:53] [INFO ] Computed 22 place invariants in 28 ms
[2023-03-13 21:37:53] [INFO ] [Real]Absence check using 20 positive place invariants in 131 ms returned sat
[2023-03-13 21:37:54] [INFO ] [Real]Absence check using 20 positive and 2 generalized place invariants in 27 ms returned sat
[2023-03-13 21:37:54] [INFO ] After 457ms SMT Verify possible using state equation in real domain returned unsat :0 sat :2 real:3
[2023-03-13 21:37:54] [INFO ] State equation strengthened by 1545 read => feed constraints.
[2023-03-13 21:37:55] [INFO ] After 208ms SMT Verify possible using 1545 Read/Feed constraints in real domain returned unsat :0 sat :0 real:5
[2023-03-13 21:37:55] [INFO ] After 1580ms SMT Verify possible using all constraints in real domain returned unsat :0 sat :0 real:5
[2023-03-13 21:37:55] [INFO ] [Nat]Absence check using 20 positive place invariants in 5 ms returned sat
[2023-03-13 21:37:55] [INFO ] [Nat]Absence check using 20 positive and 2 generalized place invariants in 6 ms returned sat
[2023-03-13 21:37:55] [INFO ] After 392ms SMT Verify possible using state equation in natural domain returned unsat :0 sat :5
[2023-03-13 21:37:56] [INFO ] After 521ms SMT Verify possible using 1545 Read/Feed constraints in natural domain returned unsat :0 sat :5
[2023-03-13 21:37:56] [INFO ] After 916ms SMT Verify possible using trap constraints in natural domain returned unsat :0 sat :5
Attempting to minimize the solution found.
Minimization took 227 ms.
[2023-03-13 21:37:56] [INFO ] After 1667ms SMT Verify possible using all constraints in natural domain returned unsat :0 sat :5
Parikh walk visited 0 properties in 12 ms.
Support contains 18 out of 533 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 533/533 places, 1675/1675 transitions.
Partial Free-agglomeration rule applied 40 times.
Drop transitions removed 40 transitions
Iterating global reduction 0 with 40 rules applied. Total rules applied 40 place count 533 transition count 1675
Applied a total of 40 rules in 50 ms. Remains 533 /533 variables (removed 0) and now considering 1675/1675 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 50 ms. Remains : 533/533 places, 1675/1675 transitions.
Incomplete random walk after 10000 steps, including 104 resets, run finished after 181 ms. (steps per millisecond=55 ) properties (out of 5) seen :0
Incomplete Best-First random walk after 10001 steps, including 3 resets, run finished after 17 ms. (steps per millisecond=588 ) properties (out of 5) seen :0
Incomplete Best-First random walk after 10001 steps, including 4 resets, run finished after 15 ms. (steps per millisecond=666 ) properties (out of 5) seen :0
Incomplete Best-First random walk after 10001 steps, including 4 resets, run finished after 21 ms. (steps per millisecond=476 ) properties (out of 5) seen :0
Incomplete Best-First random walk after 10001 steps, including 3 resets, run finished after 15 ms. (steps per millisecond=666 ) properties (out of 5) seen :0
Incomplete Best-First random walk after 10001 steps, including 4 resets, run finished after 22 ms. (steps per millisecond=454 ) properties (out of 5) seen :0
Interrupted probabilistic random walk after 242009 steps, run timeout after 3001 ms. (steps per millisecond=80 ) properties seen :{}
Probabilistic random walk after 242009 steps, saw 38762 distinct states, run finished after 3007 ms. (steps per millisecond=80 ) properties seen :0
Running SMT prover for 5 properties.
// Phase 1: matrix 1675 rows 533 cols
[2023-03-13 21:38:00] [INFO ] Computed 22 place invariants in 45 ms
[2023-03-13 21:38:00] [INFO ] [Real]Absence check using 20 positive place invariants in 6 ms returned sat
[2023-03-13 21:38:00] [INFO ] [Real]Absence check using 20 positive and 2 generalized place invariants in 7 ms returned sat
[2023-03-13 21:38:00] [INFO ] After 423ms SMT Verify possible using state equation in real domain returned unsat :0 sat :2 real:3
[2023-03-13 21:38:00] [INFO ] State equation strengthened by 1585 read => feed constraints.
[2023-03-13 21:38:00] [INFO ] After 209ms SMT Verify possible using 1585 Read/Feed constraints in real domain returned unsat :0 sat :0 real:5
[2023-03-13 21:38:00] [INFO ] After 864ms SMT Verify possible using all constraints in real domain returned unsat :0 sat :0 real:5
[2023-03-13 21:38:01] [INFO ] [Nat]Absence check using 20 positive place invariants in 6 ms returned sat
[2023-03-13 21:38:01] [INFO ] [Nat]Absence check using 20 positive and 2 generalized place invariants in 6 ms returned sat
[2023-03-13 21:38:01] [INFO ] After 514ms SMT Verify possible using state equation in natural domain returned unsat :0 sat :5
[2023-03-13 21:38:02] [INFO ] After 647ms SMT Verify possible using 1585 Read/Feed constraints in natural domain returned unsat :0 sat :5
[2023-03-13 21:38:02] [INFO ] After 1253ms SMT Verify possible using trap constraints in natural domain returned unsat :0 sat :5
Attempting to minimize the solution found.
Minimization took 326 ms.
[2023-03-13 21:38:03] [INFO ] After 2252ms SMT Verify possible using all constraints in natural domain returned unsat :0 sat :5
Parikh walk visited 0 properties in 23 ms.
Support contains 18 out of 533 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 533/533 places, 1675/1675 transitions.
Applied a total of 0 rules in 30 ms. Remains 533 /533 variables (removed 0) and now considering 1675/1675 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 30 ms. Remains : 533/533 places, 1675/1675 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 533/533 places, 1675/1675 transitions.
Applied a total of 0 rules in 35 ms. Remains 533 /533 variables (removed 0) and now considering 1675/1675 (removed 0) transitions.
[2023-03-13 21:38:03] [INFO ] Invariant cache hit.
[2023-03-13 21:38:03] [INFO ] Implicit Places using invariants in 414 ms returned []
[2023-03-13 21:38:03] [INFO ] Invariant cache hit.
[2023-03-13 21:38:04] [INFO ] State equation strengthened by 1585 read => feed constraints.
[2023-03-13 21:38:06] [INFO ] Implicit Places using invariants and state equation in 3163 ms returned []
Implicit Place search using SMT with State Equation took 3580 ms to find 0 implicit places.
[2023-03-13 21:38:06] [INFO ] Redundant transitions in 87 ms returned []
[2023-03-13 21:38:06] [INFO ] Invariant cache hit.
[2023-03-13 21:38:07] [INFO ] Dead Transitions using invariants and state equation in 722 ms found 0 transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 4433 ms. Remains : 533/533 places, 1675/1675 transitions.
Graph (trivial) has 1432 edges and 533 vertex of which 391 / 533 are part of one of the 2 SCC in 5 ms
Free SCC test removed 389 places
Drop transitions removed 992 transitions
Ensure Unique test removed 391 transitions
Reduce isomorphic transitions removed 1383 transitions.
Graph (complete) has 417 edges and 144 vertex of which 93 are kept as prefixes of interest. Removing 51 places using SCC suffix rule.0 ms
Discarding 51 places :
Also discarding 16 output transitions
Drop transitions removed 16 transitions
Drop transitions removed 53 transitions
Reduce isomorphic transitions removed 53 transitions.
Iterating post reduction 0 with 53 rules applied. Total rules applied 55 place count 93 transition count 223
Performed 1 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 1 with 1 Pre rules applied. Total rules applied 55 place count 93 transition count 222
Deduced a syphon composed of 1 places in 0 ms
Reduce places removed 1 places and 0 transitions.
Iterating global reduction 1 with 2 rules applied. Total rules applied 57 place count 92 transition count 222
Discarding 47 places :
Symmetric choice reduction at 1 with 47 rule applications. Total rules 104 place count 45 transition count 127
Iterating global reduction 1 with 47 rules applied. Total rules applied 151 place count 45 transition count 127
Ensure Unique test removed 32 transitions
Reduce isomorphic transitions removed 32 transitions.
Iterating post reduction 1 with 32 rules applied. Total rules applied 183 place count 45 transition count 95
Performed 1 Post agglomeration using F-continuation condition.Transition count delta: 1
Deduced a syphon composed of 1 places in 0 ms
Reduce places removed 1 places and 0 transitions.
Iterating global reduction 2 with 2 rules applied. Total rules applied 185 place count 44 transition count 94
Drop transitions removed 6 transitions
Redundant transition composition rules discarded 6 transitions
Iterating global reduction 2 with 6 rules applied. Total rules applied 191 place count 44 transition count 88
Free-agglomeration rule applied 4 times.
Iterating global reduction 2 with 4 rules applied. Total rules applied 195 place count 44 transition count 84
Reduce places removed 4 places and 0 transitions.
Ensure Unique test removed 1 transitions
Reduce isomorphic transitions removed 1 transitions.
Iterating post reduction 2 with 5 rules applied. Total rules applied 200 place count 40 transition count 83
Free-agglomeration rule (complex) applied 1 times.
Iterating global reduction 3 with 1 rules applied. Total rules applied 201 place count 40 transition count 82
Reduce places removed 1 places and 0 transitions.
Iterating post reduction 3 with 1 rules applied. Total rules applied 202 place count 39 transition count 82
Partial Free-agglomeration rule applied 2 times.
Drop transitions removed 2 transitions
Iterating global reduction 4 with 2 rules applied. Total rules applied 204 place count 39 transition count 82
Partial Post-agglomeration rule applied 1 times.
Drop transitions removed 1 transitions
Iterating global reduction 4 with 1 rules applied. Total rules applied 205 place count 39 transition count 82
Discarding 1 places :
Symmetric choice reduction at 4 with 1 rule applications. Total rules 206 place count 38 transition count 81
Iterating global reduction 4 with 1 rules applied. Total rules applied 207 place count 38 transition count 81
Drop transitions removed 2 transitions
Redundant transition composition rules discarded 2 transitions
Iterating global reduction 4 with 2 rules applied. Total rules applied 209 place count 38 transition count 79
Reduce places removed 1 places and 1 transitions.
Iterating global reduction 4 with 1 rules applied. Total rules applied 210 place count 37 transition count 78
Applied a total of 210 rules in 79 ms. Remains 37 /533 variables (removed 496) and now considering 78/1675 (removed 1597) transitions.
Running SMT prover for 5 properties.
// Phase 1: matrix 78 rows 37 cols
[2023-03-13 21:38:07] [INFO ] Computed 3 place invariants in 0 ms
[2023-03-13 21:38:07] [INFO ] [Real]Absence check using 3 positive place invariants in 0 ms returned sat
[2023-03-13 21:38:07] [INFO ] After 53ms SMT Verify possible using all constraints in real domain returned unsat :0 sat :0 real:5
[2023-03-13 21:38:07] [INFO ] [Nat]Absence check using 3 positive place invariants in 0 ms returned sat
[2023-03-13 21:38:07] [INFO ] After 26ms SMT Verify possible using state equation in natural domain returned unsat :0 sat :5
[2023-03-13 21:38:07] [INFO ] After 48ms SMT Verify possible using trap constraints in natural domain returned unsat :0 sat :5
Attempting to minimize the solution found.
Minimization took 14 ms.
[2023-03-13 21:38:07] [INFO ] After 93ms SMT Verify possible using all constraints in natural domain returned unsat :0 sat :5
[2023-03-13 21:38:08] [INFO ] Flatten gal took : 75 ms
[2023-03-13 21:38:08] [INFO ] Flatten gal took : 59 ms
[2023-03-13 21:38:08] [INFO ] Input system was already deterministic with 2520 transitions.
Computed a total of 82 stabilizing places and 140 stable transitions
Starting structural reductions in LTL mode, iteration 0 : 1043/1043 places, 2520/2520 transitions.
Applied a total of 0 rules in 40 ms. Remains 1043 /1043 variables (removed 0) and now considering 2520/2520 (removed 0) transitions.
Finished structural reductions in LTL mode , in 1 iterations and 44 ms. Remains : 1043/1043 places, 2520/2520 transitions.
[2023-03-13 21:38:08] [INFO ] Flatten gal took : 52 ms
[2023-03-13 21:38:08] [INFO ] Flatten gal took : 53 ms
[2023-03-13 21:38:08] [INFO ] Input system was already deterministic with 2520 transitions.
Starting structural reductions in SI_CTL mode, iteration 0 : 1043/1043 places, 2520/2520 transitions.
Drop transitions removed 140 transitions
Trivial Post-agglo rules discarded 140 transitions
Performed 140 trivial Post agglomeration. Transition count delta: 140
Iterating post reduction 0 with 140 rules applied. Total rules applied 140 place count 1043 transition count 2380
Reduce places removed 140 places and 0 transitions.
Iterating post reduction 1 with 140 rules applied. Total rules applied 280 place count 903 transition count 2380
Performed 20 Post agglomeration using F-continuation condition.Transition count delta: 20
Deduced a syphon composed of 20 places in 1 ms
Reduce places removed 20 places and 0 transitions.
Iterating global reduction 2 with 40 rules applied. Total rules applied 320 place count 883 transition count 2360
Applied a total of 320 rules in 97 ms. Remains 883 /1043 variables (removed 160) and now considering 2360/2520 (removed 160) transitions.
Finished structural reductions in SI_CTL mode , in 1 iterations and 99 ms. Remains : 883/1043 places, 2360/2520 transitions.
[2023-03-13 21:38:08] [INFO ] Flatten gal took : 47 ms
[2023-03-13 21:38:08] [INFO ] Flatten gal took : 49 ms
[2023-03-13 21:38:08] [INFO ] Input system was already deterministic with 2360 transitions.
Finished random walk after 6142 steps, including 30 resets, run visited all 1 properties in 33 ms. (steps per millisecond=186 )
FORMULA CANInsertWithFailure-PT-020-CTLFireability-01 TRUE TECHNIQUES TOPOLOGICAL RANDOM_WALK
Starting structural reductions in LTL mode, iteration 0 : 1043/1043 places, 2520/2520 transitions.
Applied a total of 0 rules in 23 ms. Remains 1043 /1043 variables (removed 0) and now considering 2520/2520 (removed 0) transitions.
Finished structural reductions in LTL mode , in 1 iterations and 24 ms. Remains : 1043/1043 places, 2520/2520 transitions.
[2023-03-13 21:38:09] [INFO ] Flatten gal took : 53 ms
[2023-03-13 21:38:09] [INFO ] Flatten gal took : 47 ms
[2023-03-13 21:38:09] [INFO ] Input system was already deterministic with 2520 transitions.
Starting structural reductions in SI_CTL mode, iteration 0 : 1043/1043 places, 2520/2520 transitions.
Drop transitions removed 135 transitions
Trivial Post-agglo rules discarded 135 transitions
Performed 135 trivial Post agglomeration. Transition count delta: 135
Iterating post reduction 0 with 135 rules applied. Total rules applied 135 place count 1043 transition count 2385
Reduce places removed 135 places and 0 transitions.
Performed 1 Post agglomeration using F-continuation condition.Transition count delta: 1
Iterating post reduction 1 with 136 rules applied. Total rules applied 271 place count 908 transition count 2384
Reduce places removed 1 places and 0 transitions.
Iterating post reduction 2 with 1 rules applied. Total rules applied 272 place count 907 transition count 2384
Performed 20 Post agglomeration using F-continuation condition.Transition count delta: 20
Deduced a syphon composed of 20 places in 2 ms
Reduce places removed 20 places and 0 transitions.
Iterating global reduction 3 with 40 rules applied. Total rules applied 312 place count 887 transition count 2364
Applied a total of 312 rules in 86 ms. Remains 887 /1043 variables (removed 156) and now considering 2364/2520 (removed 156) transitions.
Finished structural reductions in SI_CTL mode , in 1 iterations and 87 ms. Remains : 887/1043 places, 2364/2520 transitions.
[2023-03-13 21:38:09] [INFO ] Flatten gal took : 44 ms
[2023-03-13 21:38:09] [INFO ] Flatten gal took : 47 ms
[2023-03-13 21:38:09] [INFO ] Input system was already deterministic with 2364 transitions.
Starting structural reductions in SI_CTL mode, iteration 0 : 1043/1043 places, 2520/2520 transitions.
Drop transitions removed 140 transitions
Trivial Post-agglo rules discarded 140 transitions
Performed 140 trivial Post agglomeration. Transition count delta: 140
Iterating post reduction 0 with 140 rules applied. Total rules applied 140 place count 1043 transition count 2380
Reduce places removed 140 places and 0 transitions.
Iterating post reduction 1 with 140 rules applied. Total rules applied 280 place count 903 transition count 2380
Performed 20 Post agglomeration using F-continuation condition.Transition count delta: 20
Deduced a syphon composed of 20 places in 2 ms
Reduce places removed 20 places and 0 transitions.
Iterating global reduction 2 with 40 rules applied. Total rules applied 320 place count 883 transition count 2360
Applied a total of 320 rules in 80 ms. Remains 883 /1043 variables (removed 160) and now considering 2360/2520 (removed 160) transitions.
Finished structural reductions in SI_CTL mode , in 1 iterations and 81 ms. Remains : 883/1043 places, 2360/2520 transitions.
[2023-03-13 21:38:09] [INFO ] Flatten gal took : 41 ms
[2023-03-13 21:38:09] [INFO ] Flatten gal took : 46 ms
[2023-03-13 21:38:09] [INFO ] Input system was already deterministic with 2360 transitions.
Finished random walk after 239 steps, including 1 resets, run visited all 1 properties in 3 ms. (steps per millisecond=79 )
FORMULA CANInsertWithFailure-PT-020-CTLFireability-04 TRUE TECHNIQUES TOPOLOGICAL RANDOM_WALK
Starting structural reductions in LTL mode, iteration 0 : 1043/1043 places, 2520/2520 transitions.
Applied a total of 0 rules in 21 ms. Remains 1043 /1043 variables (removed 0) and now considering 2520/2520 (removed 0) transitions.
Finished structural reductions in LTL mode , in 1 iterations and 22 ms. Remains : 1043/1043 places, 2520/2520 transitions.
[2023-03-13 21:38:09] [INFO ] Flatten gal took : 43 ms
[2023-03-13 21:38:09] [INFO ] Flatten gal took : 52 ms
[2023-03-13 21:38:10] [INFO ] Input system was already deterministic with 2520 transitions.
Starting structural reductions in LTL mode, iteration 0 : 1043/1043 places, 2520/2520 transitions.
Applied a total of 0 rules in 19 ms. Remains 1043 /1043 variables (removed 0) and now considering 2520/2520 (removed 0) transitions.
Finished structural reductions in LTL mode , in 1 iterations and 19 ms. Remains : 1043/1043 places, 2520/2520 transitions.
[2023-03-13 21:38:10] [INFO ] Flatten gal took : 47 ms
[2023-03-13 21:38:10] [INFO ] Flatten gal took : 40 ms
[2023-03-13 21:38:10] [INFO ] Input system was already deterministic with 2520 transitions.
Starting structural reductions in LTL mode, iteration 0 : 1043/1043 places, 2520/2520 transitions.
Applied a total of 0 rules in 23 ms. Remains 1043 /1043 variables (removed 0) and now considering 2520/2520 (removed 0) transitions.
Finished structural reductions in LTL mode , in 1 iterations and 24 ms. Remains : 1043/1043 places, 2520/2520 transitions.
[2023-03-13 21:38:10] [INFO ] Flatten gal took : 37 ms
[2023-03-13 21:38:10] [INFO ] Flatten gal took : 39 ms
[2023-03-13 21:38:10] [INFO ] Input system was already deterministic with 2520 transitions.
Starting structural reductions in LTL mode, iteration 0 : 1043/1043 places, 2520/2520 transitions.
Applied a total of 0 rules in 21 ms. Remains 1043 /1043 variables (removed 0) and now considering 2520/2520 (removed 0) transitions.
Finished structural reductions in LTL mode , in 1 iterations and 22 ms. Remains : 1043/1043 places, 2520/2520 transitions.
[2023-03-13 21:38:10] [INFO ] Flatten gal took : 42 ms
[2023-03-13 21:38:10] [INFO ] Flatten gal took : 42 ms
[2023-03-13 21:38:10] [INFO ] Input system was already deterministic with 2520 transitions.
Starting structural reductions in SI_CTL mode, iteration 0 : 1043/1043 places, 2520/2520 transitions.
Drop transitions removed 136 transitions
Trivial Post-agglo rules discarded 136 transitions
Performed 136 trivial Post agglomeration. Transition count delta: 136
Iterating post reduction 0 with 136 rules applied. Total rules applied 136 place count 1043 transition count 2384
Reduce places removed 136 places and 0 transitions.
Performed 1 Post agglomeration using F-continuation condition.Transition count delta: 1
Iterating post reduction 1 with 137 rules applied. Total rules applied 273 place count 907 transition count 2383
Reduce places removed 1 places and 0 transitions.
Iterating post reduction 2 with 1 rules applied. Total rules applied 274 place count 906 transition count 2383
Performed 1 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 3 with 1 Pre rules applied. Total rules applied 274 place count 906 transition count 2382
Deduced a syphon composed of 1 places in 1 ms
Reduce places removed 1 places and 0 transitions.
Iterating global reduction 3 with 2 rules applied. Total rules applied 276 place count 905 transition count 2382
Performed 19 Post agglomeration using F-continuation condition.Transition count delta: 19
Deduced a syphon composed of 19 places in 0 ms
Reduce places removed 19 places and 0 transitions.
Iterating global reduction 3 with 38 rules applied. Total rules applied 314 place count 886 transition count 2363
Applied a total of 314 rules in 149 ms. Remains 886 /1043 variables (removed 157) and now considering 2363/2520 (removed 157) transitions.
Finished structural reductions in SI_CTL mode , in 1 iterations and 150 ms. Remains : 886/1043 places, 2363/2520 transitions.
[2023-03-13 21:38:10] [INFO ] Flatten gal took : 43 ms
[2023-03-13 21:38:10] [INFO ] Flatten gal took : 41 ms
[2023-03-13 21:38:11] [INFO ] Input system was already deterministic with 2363 transitions.
Starting structural reductions in LTL mode, iteration 0 : 1043/1043 places, 2520/2520 transitions.
Applied a total of 0 rules in 17 ms. Remains 1043 /1043 variables (removed 0) and now considering 2520/2520 (removed 0) transitions.
Finished structural reductions in LTL mode , in 1 iterations and 17 ms. Remains : 1043/1043 places, 2520/2520 transitions.
[2023-03-13 21:38:11] [INFO ] Flatten gal took : 35 ms
[2023-03-13 21:38:11] [INFO ] Flatten gal took : 46 ms
[2023-03-13 21:38:11] [INFO ] Input system was already deterministic with 2520 transitions.
Starting structural reductions in LTL mode, iteration 0 : 1043/1043 places, 2520/2520 transitions.
Applied a total of 0 rules in 16 ms. Remains 1043 /1043 variables (removed 0) and now considering 2520/2520 (removed 0) transitions.
Finished structural reductions in LTL mode , in 1 iterations and 17 ms. Remains : 1043/1043 places, 2520/2520 transitions.
[2023-03-13 21:38:11] [INFO ] Flatten gal took : 35 ms
[2023-03-13 21:38:11] [INFO ] Flatten gal took : 40 ms
[2023-03-13 21:38:11] [INFO ] Input system was already deterministic with 2520 transitions.
Starting structural reductions in LTL mode, iteration 0 : 1043/1043 places, 2520/2520 transitions.
Applied a total of 0 rules in 17 ms. Remains 1043 /1043 variables (removed 0) and now considering 2520/2520 (removed 0) transitions.
Finished structural reductions in LTL mode , in 1 iterations and 17 ms. Remains : 1043/1043 places, 2520/2520 transitions.
[2023-03-13 21:38:11] [INFO ] Flatten gal took : 35 ms
[2023-03-13 21:38:11] [INFO ] Flatten gal took : 39 ms
[2023-03-13 21:38:11] [INFO ] Input system was already deterministic with 2520 transitions.
Starting structural reductions in SI_CTL mode, iteration 0 : 1043/1043 places, 2520/2520 transitions.
Drop transitions removed 137 transitions
Trivial Post-agglo rules discarded 137 transitions
Performed 137 trivial Post agglomeration. Transition count delta: 137
Iterating post reduction 0 with 137 rules applied. Total rules applied 137 place count 1043 transition count 2383
Reduce places removed 137 places and 0 transitions.
Iterating post reduction 1 with 137 rules applied. Total rules applied 274 place count 906 transition count 2383
Performed 20 Post agglomeration using F-continuation condition.Transition count delta: 20
Deduced a syphon composed of 20 places in 1 ms
Reduce places removed 20 places and 0 transitions.
Iterating global reduction 2 with 40 rules applied. Total rules applied 314 place count 886 transition count 2363
Applied a total of 314 rules in 63 ms. Remains 886 /1043 variables (removed 157) and now considering 2363/2520 (removed 157) transitions.
Finished structural reductions in SI_CTL mode , in 1 iterations and 63 ms. Remains : 886/1043 places, 2363/2520 transitions.
[2023-03-13 21:38:11] [INFO ] Flatten gal took : 33 ms
[2023-03-13 21:38:11] [INFO ] Flatten gal took : 36 ms
[2023-03-13 21:38:11] [INFO ] Input system was already deterministic with 2363 transitions.
Starting structural reductions in LTL mode, iteration 0 : 1043/1043 places, 2520/2520 transitions.
Applied a total of 0 rules in 14 ms. Remains 1043 /1043 variables (removed 0) and now considering 2520/2520 (removed 0) transitions.
Finished structural reductions in LTL mode , in 1 iterations and 14 ms. Remains : 1043/1043 places, 2520/2520 transitions.
[2023-03-13 21:38:12] [INFO ] Flatten gal took : 32 ms
[2023-03-13 21:38:12] [INFO ] Flatten gal took : 33 ms
[2023-03-13 21:38:12] [INFO ] Input system was already deterministic with 2520 transitions.
Starting structural reductions in SI_CTL mode, iteration 0 : 1043/1043 places, 2520/2520 transitions.
Drop transitions removed 136 transitions
Trivial Post-agglo rules discarded 136 transitions
Performed 136 trivial Post agglomeration. Transition count delta: 136
Iterating post reduction 0 with 136 rules applied. Total rules applied 136 place count 1043 transition count 2384
Reduce places removed 136 places and 0 transitions.
Iterating post reduction 1 with 136 rules applied. Total rules applied 272 place count 907 transition count 2384
Performed 1 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 2 with 1 Pre rules applied. Total rules applied 272 place count 907 transition count 2383
Deduced a syphon composed of 1 places in 1 ms
Reduce places removed 1 places and 0 transitions.
Iterating global reduction 2 with 2 rules applied. Total rules applied 274 place count 906 transition count 2383
Performed 19 Post agglomeration using F-continuation condition.Transition count delta: 19
Deduced a syphon composed of 19 places in 1 ms
Reduce places removed 19 places and 0 transitions.
Iterating global reduction 2 with 38 rules applied. Total rules applied 312 place count 887 transition count 2364
Applied a total of 312 rules in 67 ms. Remains 887 /1043 variables (removed 156) and now considering 2364/2520 (removed 156) transitions.
Finished structural reductions in SI_CTL mode , in 1 iterations and 68 ms. Remains : 887/1043 places, 2364/2520 transitions.
[2023-03-13 21:38:12] [INFO ] Flatten gal took : 32 ms
[2023-03-13 21:38:12] [INFO ] Flatten gal took : 34 ms
[2023-03-13 21:38:12] [INFO ] Input system was already deterministic with 2364 transitions.
[2023-03-13 21:38:12] [INFO ] Flatten gal took : 36 ms
[2023-03-13 21:38:12] [INFO ] Flatten gal took : 39 ms
[2023-03-13 21:38:12] [INFO ] Export to MCC of 14 properties in file /home/mcc/execution/CTLFireability.sr.xml took 3 ms.
[2023-03-13 21:38:12] [INFO ] Export to PNML in file /home/mcc/execution/model.sr.pnml of net with 1043 places, 2520 transitions and 6760 arcs took 8 ms.
Total runtime 33475 ms.
There are residual formulas that ITS could not solve within timeout
timeout --kill-after=10s --signal=SIGINT 1m for testing only

Marcie built on Linux at 2019-11-18.
A model checker for Generalized Stochastic Petri nets

authors: Alex Tovchigrechko (IDD package and CTL model checking)

Martin Schwarick (Symbolic numerical analysis and CSL model checking)

Christian Rohr (Simulative and approximative numerical model checking)

marcie@informatik.tu-cottbus.de

called as: /home/mcc/BenchKit/bin//../reducer/bin//../../marcie/bin/marcie --net-file=model.pnml --mcc-file=CTLFireability.xml --memory=6 --mcc-mode

parse successfull
net created successfully

Net: Petri
(NrP: 1043 NrTr: 2520 NrArc: 6760)

parse formulas
formulas created successfully
place and transition orderings generation:0m 0.272sec

net check time: 0m 0.013sec

init dd package: 0m 3.188sec

TIME LIMIT: Killed by timeout after 3600 seconds
MemTotal: 16393340 kB
MemFree: 7301640 kB
After kill :
MemTotal: 16393340 kB
MemFree: 16093852 kB

BK_TIME_CONFINEMENT_REACHED

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

+ ulimit -s 65536
+ [[ -z '' ]]
+ export LTSMIN_MEM_SIZE=8589934592
+ LTSMIN_MEM_SIZE=8589934592
+ export PYTHONPATH=/home/mcc/BenchKit/itstools/pylibs
+ PYTHONPATH=/home/mcc/BenchKit/itstools/pylibs
+ export LD_LIBRARY_PATH=/home/mcc/BenchKit/itstools/pylibs:
+ LD_LIBRARY_PATH=/home/mcc/BenchKit/itstools/pylibs:
++ sed s/.jar//
++ perl -pe 's/.*\.//g'
++ ls /home/mcc/BenchKit/bin//../reducer/bin//../../itstools//itstools/plugins/fr.lip6.move.gal.application.pnmcc_1.0.0.202303021504.jar
+ VERSION=202303021504
+ echo 'Running Version 202303021504'
+ /home/mcc/BenchKit/bin//../reducer/bin//../../itstools//itstools/its-tools -pnfolder /home/mcc/execution -examination CTLFireability -timeout 360 -rebuildPNML
check for maximal unmarked siphon
ok
check for constant places
ok
check if there are places and transitions
ok
check if there are transitions without pre-places
ok
check if at least one transition is enabled in m0
ok
check if there are transitions that can never fire
ok


initing FirstDep: 0m 0.017sec

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="CANInsertWithFailure-PT-020"
export BK_EXAMINATION="CTLFireability"
export BK_TOOL="marciexred"
export BK_RESULT_DIR="/tmp/BK_RESULTS/OUTPUTS"
export BK_TIME_CONFINEMENT="3600"
export BK_MEMORY_CONFINEMENT="16384"
export BK_BIN_PATH="/home/mcc/BenchKit/bin/"

# this is specific to your benchmark or test

export BIN_DIR="$HOME/BenchKit/bin"

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

# this is for BenchKit: explicit launching of the test
echo "====================================================================="
echo " Generated by BenchKit 2-5348"
echo " Executing tool marciexred"
echo " Input is CANInsertWithFailure-PT-020, examination is CTLFireability"
echo " Time confinement is $BK_TIME_CONFINEMENT seconds"
echo " Memory confinement is 16384 MBytes"
echo " Number of cores is 4"
echo " Run identifier is r042-tajo-167813696100714"
echo "====================================================================="
echo
echo "--------------------"
echo "preparation of the directory to be used:"

tar xzf /home/mcc/BenchKit/INPUTS/CANInsertWithFailure-PT-020.tgz
mv CANInsertWithFailure-PT-020 execution
cd execution
if [ "CTLFireability" = "ReachabilityDeadlock" ] || [ "CTLFireability" = "UpperBounds" ] || [ "CTLFireability" = "QuasiLiveness" ] || [ "CTLFireability" = "StableMarking" ] || [ "CTLFireability" = "Liveness" ] || [ "CTLFireability" = "OneSafe" ] || [ "CTLFireability" = "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 [ "CTLFireability" = "UpperBounds" ] ; then
echo "The expected result is a vector of positive values"
echo NUM_VECTOR
elif [ "CTLFireability" != "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 "CTLFireability.txt" ] ; then
echo "here is the order used to build the result vector(from text file)"
for x in $(grep Property CTLFireability.txt | cut -d ' ' -f 2 | sort -u) ; do
echo "FORMULA_NAME $x"
done
elif [ -f "CTLFireability.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 '' CTLFireability.xml | cut -d '>' -f 2 | cut -d '<' -f 1 | sort -u) ; do
echo "FORMULA_NAME $x"
done
elif [ "CTLFireability" = "ReachabilityDeadlock" ] || [ "CTLFireability" = "QuasiLiveness" ] || [ "CTLFireability" = "StableMarking" ] || [ "CTLFireability" = "Liveness" ] || [ "CTLFireability" = "OneSafe" ] ; then
echo "FORMULA_NAME CTLFireability"
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 ;