Execution Chart

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

Trace from the execution

Formatting '/data/fkordon/mcc2023-input.r327-tall-167889200200865.qcow2', fmt=qcow2 size=4294967296 backing_file=/data/fkordon/mcc2023-input.qcow2 cluster_size=65536 lazy_refcounts=off refcount_bits=16
Waiting for the VM to be ready (probing ssh)
......................................................................
=====================================================================
Generated by BenchKit 2-5348
Executing tool lolaxred
Input is RingSingleMessageInMbox-PT-d1m080, examination is CTLCardinality
Time confinement is 3600 seconds
Memory confinement is 16384 MBytes
Number of cores is 4
Run identifier is r327-tall-167889200200865
=====================================================================

--------------------
preparation of the directory to be used:
/home/mcc/execution
total 6.3M
-rw-r--r-- 1 mcc users 8.2K Feb 26 05:11 CTLCardinality.txt
-rw-r--r-- 1 mcc users 88K Feb 26 05:11 CTLCardinality.xml
-rw-r--r-- 1 mcc users 6.1K Feb 26 05:06 CTLFireability.txt
-rw-r--r-- 1 mcc users 54K Feb 26 05:06 CTLFireability.xml
-rw-r--r-- 1 mcc users 3.7K Feb 25 16:46 LTLCardinality.txt
-rw-r--r-- 1 mcc users 23K Feb 25 16:46 LTLCardinality.xml
-rw-r--r-- 1 mcc users 2.6K Feb 25 16:46 LTLFireability.txt
-rw-r--r-- 1 mcc users 19K Feb 25 16:46 LTLFireability.xml
-rw-r--r-- 1 mcc users 9.1K Feb 26 05:21 ReachabilityCardinality.txt
-rw-r--r-- 1 mcc users 88K Feb 26 05:21 ReachabilityCardinality.xml
-rw-r--r-- 1 mcc users 9.5K Feb 26 05:16 ReachabilityFireability.txt
-rw-r--r-- 1 mcc users 78K Feb 26 05:16 ReachabilityFireability.xml
-rw-r--r-- 1 mcc users 1.9K Feb 25 16:46 UpperBounds.txt
-rw-r--r-- 1 mcc users 3.9K Feb 25 16:46 UpperBounds.xml
-rw-r--r-- 1 mcc users 6 Mar 5 18:23 equiv_col
-rw-r--r-- 1 mcc users 7 Mar 5 18:23 instance
-rw-r--r-- 1 mcc users 6 Mar 5 18:23 iscolored
-rw-r--r-- 1 mcc users 5.8M Mar 5 18:23 model.pnml

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

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

The expected result is a vector of booleans
BOOL_VECTOR

here is the order used to build the result vector(from text file)
FORMULA_NAME RingSingleMessageInMbox-PT-d1m080-CTLCardinality-00
FORMULA_NAME RingSingleMessageInMbox-PT-d1m080-CTLCardinality-01
FORMULA_NAME RingSingleMessageInMbox-PT-d1m080-CTLCardinality-02
FORMULA_NAME RingSingleMessageInMbox-PT-d1m080-CTLCardinality-03
FORMULA_NAME RingSingleMessageInMbox-PT-d1m080-CTLCardinality-04
FORMULA_NAME RingSingleMessageInMbox-PT-d1m080-CTLCardinality-05
FORMULA_NAME RingSingleMessageInMbox-PT-d1m080-CTLCardinality-06
FORMULA_NAME RingSingleMessageInMbox-PT-d1m080-CTLCardinality-07
FORMULA_NAME RingSingleMessageInMbox-PT-d1m080-CTLCardinality-08
FORMULA_NAME RingSingleMessageInMbox-PT-d1m080-CTLCardinality-09
FORMULA_NAME RingSingleMessageInMbox-PT-d1m080-CTLCardinality-10
FORMULA_NAME RingSingleMessageInMbox-PT-d1m080-CTLCardinality-11
FORMULA_NAME RingSingleMessageInMbox-PT-d1m080-CTLCardinality-12
FORMULA_NAME RingSingleMessageInMbox-PT-d1m080-CTLCardinality-13
FORMULA_NAME RingSingleMessageInMbox-PT-d1m080-CTLCardinality-14
FORMULA_NAME RingSingleMessageInMbox-PT-d1m080-CTLCardinality-15

=== Now, execution of the tool begins

BK_START 1679062470026

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=lolaxred
BK_EXAMINATION=CTLCardinality
BK_BIN_PATH=/home/mcc/BenchKit/bin/
BK_TIME_CONFINEMENT=3600
BK_INPUT=RingSingleMessageInMbox-PT-d1m080
Applying reductions before tool lola
Invoking reducer
Running Version 202303021504
[2023-03-17 14:14:31] [INFO ] Running its-tools with arguments : [-pnfolder, /home/mcc/execution, -examination, CTLCardinality, -timeout, 360, -rebuildPNML]
[2023-03-17 14:14:31] [INFO ] Parsing pnml file : /home/mcc/execution/model.pnml
[2023-03-17 14:14:31] [INFO ] Load time of PNML (sax parser for PT used): 413 ms
[2023-03-17 14:14:31] [INFO ] Transformed 6690 places.
[2023-03-17 14:14:32] [INFO ] Transformed 11934 transitions.
[2023-03-17 14:14:32] [INFO ] Parsed PT model containing 6690 places and 11934 transitions and 47736 arcs in 567 ms.
Parsed 16 properties from file /home/mcc/execution/CTLCardinality.xml in 18 ms.
Deduced a syphon composed of 4305 places in 29 ms
Reduce places removed 4305 places and 0 transitions.
Initial state reduction rules removed 2 formulas.
FORMULA RingSingleMessageInMbox-PT-d1m080-CTLCardinality-01 FALSE TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA RingSingleMessageInMbox-PT-d1m080-CTLCardinality-05 TRUE TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA RingSingleMessageInMbox-PT-d1m080-CTLCardinality-07 TRUE TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA RingSingleMessageInMbox-PT-d1m080-CTLCardinality-13 FALSE TECHNIQUES TOPOLOGICAL INITIAL_STATE
Support contains 27 out of 2385 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 2385/2385 places, 11934/11934 transitions.
Reduce places removed 17 places and 0 transitions.
Ensure Unique test removed 102 transitions
Reduce isomorphic transitions removed 102 transitions.
Iterating post reduction 0 with 119 rules applied. Total rules applied 119 place count 2368 transition count 11832
Discarding 1096 places :
Symmetric choice reduction at 1 with 1096 rule applications. Total rules 1215 place count 1272 transition count 2432
Iterating global reduction 1 with 1096 rules applied. Total rules applied 2311 place count 1272 transition count 2432
Ensure Unique test removed 71 transitions
Reduce isomorphic transitions removed 71 transitions.
Iterating post reduction 1 with 71 rules applied. Total rules applied 2382 place count 1272 transition count 2361
Discarding 918 places :
Symmetric choice reduction at 2 with 918 rule applications. Total rules 3300 place count 354 transition count 1443
Iterating global reduction 2 with 918 rules applied. Total rules applied 4218 place count 354 transition count 1443
Ensure Unique test removed 871 transitions
Reduce isomorphic transitions removed 871 transitions.
Iterating post reduction 2 with 871 rules applied. Total rules applied 5089 place count 354 transition count 572
Discarding 130 places :
Symmetric choice reduction at 3 with 130 rule applications. Total rules 5219 place count 224 transition count 442
Iterating global reduction 3 with 130 rules applied. Total rules applied 5349 place count 224 transition count 442
Ensure Unique test removed 98 transitions
Reduce isomorphic transitions removed 98 transitions.
Iterating post reduction 3 with 98 rules applied. Total rules applied 5447 place count 224 transition count 344
Discarding 8 places :
Symmetric choice reduction at 4 with 8 rule applications. Total rules 5455 place count 216 transition count 336
Iterating global reduction 4 with 8 rules applied. Total rules applied 5463 place count 216 transition count 336
Applied a total of 5463 rules in 367 ms. Remains 216 /2385 variables (removed 2169) and now considering 336/11934 (removed 11598) transitions.
// Phase 1: matrix 336 rows 216 cols
[2023-03-17 14:14:32] [INFO ] Computed 3 place invariants in 27 ms
[2023-03-17 14:14:32] [INFO ] Implicit Places using invariants in 311 ms returned []
[2023-03-17 14:14:32] [INFO ] Invariant cache hit.
[2023-03-17 14:14:33] [INFO ] State equation strengthened by 132 read => feed constraints.
[2023-03-17 14:14:33] [INFO ] Implicit Places using invariants and state equation in 677 ms returned []
Implicit Place search using SMT with State Equation took 1012 ms to find 0 implicit places.
[2023-03-17 14:14:33] [INFO ] Invariant cache hit.
[2023-03-17 14:14:33] [INFO ] Dead Transitions using invariants and state equation in 170 ms found 0 transitions.
Starting structural reductions in LTL mode, iteration 1 : 216/2385 places, 336/11934 transitions.
Finished structural reductions in LTL mode , in 1 iterations and 1551 ms. Remains : 216/2385 places, 336/11934 transitions.
Support contains 27 out of 216 places after structural reductions.
[2023-03-17 14:14:34] [INFO ] Flatten gal took : 51 ms
[2023-03-17 14:14:34] [INFO ] Flatten gal took : 23 ms
[2023-03-17 14:14:34] [INFO ] Input system was already deterministic with 336 transitions.
Support contains 23 out of 216 places (down from 27) after GAL structural reductions.
FORMULA RingSingleMessageInMbox-PT-d1m080-CTLCardinality-15 TRUE TECHNIQUES TOPOLOGICAL INITIAL_STATE
Incomplete random walk after 10000 steps, including 1747 resets, run finished after 495 ms. (steps per millisecond=20 ) properties (out of 17) seen :6
Incomplete Best-First random walk after 10001 steps, including 478 resets, run finished after 94 ms. (steps per millisecond=106 ) properties (out of 11) seen :0
Incomplete Best-First random walk after 10001 steps, including 401 resets, run finished after 95 ms. (steps per millisecond=105 ) properties (out of 11) seen :0
Incomplete Best-First random walk after 10001 steps, including 387 resets, run finished after 78 ms. (steps per millisecond=128 ) properties (out of 11) seen :0
Incomplete Best-First random walk after 10001 steps, including 447 resets, run finished after 73 ms. (steps per millisecond=137 ) properties (out of 11) seen :0
Incomplete Best-First random walk after 10001 steps, including 396 resets, run finished after 63 ms. (steps per millisecond=158 ) properties (out of 11) seen :0
Incomplete Best-First random walk after 10001 steps, including 436 resets, run finished after 61 ms. (steps per millisecond=163 ) properties (out of 11) seen :0
Incomplete Best-First random walk after 10001 steps, including 432 resets, run finished after 57 ms. (steps per millisecond=175 ) properties (out of 11) seen :0
Incomplete Best-First random walk after 10000 steps, including 343 resets, run finished after 47 ms. (steps per millisecond=212 ) properties (out of 11) seen :0
Incomplete Best-First random walk after 10001 steps, including 452 resets, run finished after 56 ms. (steps per millisecond=178 ) properties (out of 11) seen :0
Incomplete Best-First random walk after 10000 steps, including 444 resets, run finished after 47 ms. (steps per millisecond=212 ) properties (out of 11) seen :0
Incomplete Best-First random walk after 10000 steps, including 415 resets, run finished after 49 ms. (steps per millisecond=204 ) properties (out of 11) seen :0
Running SMT prover for 11 properties.
[2023-03-17 14:14:35] [INFO ] Invariant cache hit.
[2023-03-17 14:14:35] [INFO ] [Real]Absence check using 2 positive place invariants in 1 ms returned sat
[2023-03-17 14:14:35] [INFO ] [Real]Absence check using 2 positive and 1 generalized place invariants in 1 ms returned sat
[2023-03-17 14:14:35] [INFO ] After 85ms SMT Verify possible using state equation in real domain returned unsat :5 sat :1 real:5
[2023-03-17 14:14:35] [INFO ] State equation strengthened by 132 read => feed constraints.
[2023-03-17 14:14:35] [INFO ] After 33ms SMT Verify possible using 132 Read/Feed constraints in real domain returned unsat :5 sat :0 real:6
[2023-03-17 14:14:35] [INFO ] After 243ms SMT Verify possible using all constraints in real domain returned unsat :5 sat :0 real:6
[2023-03-17 14:14:35] [INFO ] [Nat]Absence check using 2 positive place invariants in 1 ms returned sat
[2023-03-17 14:14:35] [INFO ] [Nat]Absence check using 2 positive and 1 generalized place invariants in 1 ms returned sat
[2023-03-17 14:14:35] [INFO ] After 83ms SMT Verify possible using state equation in natural domain returned unsat :10 sat :1
[2023-03-17 14:14:35] [INFO ] After 33ms SMT Verify possible using 132 Read/Feed constraints in natural domain returned unsat :10 sat :1
[2023-03-17 14:14:35] [INFO ] After 54ms SMT Verify possible using trap constraints in natural domain returned unsat :10 sat :1
Attempting to minimize the solution found.
Minimization took 16 ms.
[2023-03-17 14:14:35] [INFO ] After 269ms SMT Verify possible using all constraints in natural domain returned unsat :10 sat :1
Fused 11 Parikh solutions to 1 different solutions.
Parikh walk visited 0 properties in 3 ms.
Support contains 1 out of 216 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 216/216 places, 336/336 transitions.
Graph (complete) has 743 edges and 216 vertex of which 215 are kept as prefixes of interest. Removing 1 places using SCC suffix rule.1 ms
Discarding 1 places :
Also discarding 0 output transitions
Drop transitions removed 9 transitions
Reduce isomorphic transitions removed 9 transitions.
Iterating post reduction 0 with 9 rules applied. Total rules applied 10 place count 215 transition count 327
Discarding 25 places :
Symmetric choice reduction at 1 with 25 rule applications. Total rules 35 place count 190 transition count 302
Iterating global reduction 1 with 25 rules applied. Total rules applied 60 place count 190 transition count 302
Ensure Unique test removed 15 transitions
Reduce isomorphic transitions removed 15 transitions.
Iterating post reduction 1 with 15 rules applied. Total rules applied 75 place count 190 transition count 287
Discarding 10 places :
Symmetric choice reduction at 2 with 10 rule applications. Total rules 85 place count 180 transition count 277
Iterating global reduction 2 with 10 rules applied. Total rules applied 95 place count 180 transition count 277
Ensure Unique test removed 10 transitions
Reduce isomorphic transitions removed 10 transitions.
Iterating post reduction 2 with 10 rules applied. Total rules applied 105 place count 180 transition count 267
Discarding 3 places :
Symmetric choice reduction at 3 with 3 rule applications. Total rules 108 place count 177 transition count 228
Iterating global reduction 3 with 3 rules applied. Total rules applied 111 place count 177 transition count 228
Discarding 2 places :
Symmetric choice reduction at 3 with 2 rule applications. Total rules 113 place count 175 transition count 226
Iterating global reduction 3 with 2 rules applied. Total rules applied 115 place count 175 transition count 226
Ensure Unique test removed 1 transitions
Reduce isomorphic transitions removed 1 transitions.
Iterating post reduction 3 with 1 rules applied. Total rules applied 116 place count 175 transition count 225
Discarding 4 places :
Symmetric choice reduction at 4 with 4 rule applications. Total rules 120 place count 171 transition count 221
Iterating global reduction 4 with 4 rules applied. Total rules applied 124 place count 171 transition count 221
Ensure Unique test removed 4 transitions
Reduce isomorphic transitions removed 4 transitions.
Iterating post reduction 4 with 4 rules applied. Total rules applied 128 place count 171 transition count 217
Applied a total of 128 rules in 51 ms. Remains 171 /216 variables (removed 45) and now considering 217/336 (removed 119) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 51 ms. Remains : 171/216 places, 217/336 transitions.
Incomplete random walk after 10000 steps, including 2134 resets, run finished after 19 ms. (steps per millisecond=526 ) properties (out of 1) seen :0
Incomplete Best-First random walk after 10001 steps, including 756 resets, run finished after 8 ms. (steps per millisecond=1250 ) properties (out of 1) seen :0
Interrupted probabilistic random walk after 2146818 steps, run timeout after 3001 ms. (steps per millisecond=715 ) properties seen :{}
Probabilistic random walk after 2146818 steps, saw 897494 distinct states, run finished after 3002 ms. (steps per millisecond=715 ) properties seen :0
Running SMT prover for 1 properties.
// Phase 1: matrix 217 rows 171 cols
[2023-03-17 14:14:38] [INFO ] Computed 4 place invariants in 6 ms
[2023-03-17 14:14:39] [INFO ] [Real]Absence check using 0 positive and 4 generalized place invariants in 5 ms returned sat
[2023-03-17 14:14:39] [INFO ] After 63ms SMT Verify possible using state equation in real domain returned unsat :0 sat :1
[2023-03-17 14:14:39] [INFO ] State equation strengthened by 54 read => feed constraints.
[2023-03-17 14:14:39] [INFO ] After 20ms SMT Verify possible using 54 Read/Feed constraints in real domain returned unsat :0 sat :0 real:1
[2023-03-17 14:14:39] [INFO ] After 141ms SMT Verify possible using all constraints in real domain returned unsat :0 sat :0 real:1
[2023-03-17 14:14:39] [INFO ] [Nat]Absence check using 0 positive and 4 generalized place invariants in 5 ms returned sat
[2023-03-17 14:14:39] [INFO ] After 61ms SMT Verify possible using state equation in natural domain returned unsat :0 sat :1
[2023-03-17 14:14:39] [INFO ] After 16ms SMT Verify possible using 54 Read/Feed constraints in natural domain returned unsat :0 sat :1
[2023-03-17 14:14:39] [INFO ] After 30ms SMT Verify possible using trap constraints in natural domain returned unsat :0 sat :1
Attempting to minimize the solution found.
Minimization took 10 ms.
[2023-03-17 14:14:39] [INFO ] After 155ms SMT Verify possible using all constraints in natural domain returned unsat :0 sat :1
Parikh walk visited 0 properties in 1 ms.
Support contains 1 out of 171 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 171/171 places, 217/217 transitions.
Applied a total of 0 rules in 14 ms. Remains 171 /171 variables (removed 0) and now considering 217/217 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 15 ms. Remains : 171/171 places, 217/217 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 171/171 places, 217/217 transitions.
Applied a total of 0 rules in 8 ms. Remains 171 /171 variables (removed 0) and now considering 217/217 (removed 0) transitions.
[2023-03-17 14:14:39] [INFO ] Invariant cache hit.
[2023-03-17 14:14:39] [INFO ] Implicit Places using invariants in 85 ms returned []
[2023-03-17 14:14:39] [INFO ] Invariant cache hit.
[2023-03-17 14:14:39] [INFO ] State equation strengthened by 54 read => feed constraints.
[2023-03-17 14:14:39] [INFO ] Implicit Places using invariants and state equation in 334 ms returned []
Implicit Place search using SMT with State Equation took 424 ms to find 0 implicit places.
[2023-03-17 14:14:39] [INFO ] Redundant transitions in 9 ms returned []
[2023-03-17 14:14:39] [INFO ] Invariant cache hit.
[2023-03-17 14:14:39] [INFO ] Dead Transitions using invariants and state equation in 100 ms found 0 transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 546 ms. Remains : 171/171 places, 217/217 transitions.
Drop transitions removed 2 transitions
Reduce isomorphic transitions removed 2 transitions.
Drop transitions removed 4 transitions
Trivial Post-agglo rules discarded 4 transitions
Performed 4 trivial Post agglomeration. Transition count delta: 4
Iterating post reduction 0 with 6 rules applied. Total rules applied 6 place count 171 transition count 211
Reduce places removed 4 places and 0 transitions.
Iterating post reduction 1 with 4 rules applied. Total rules applied 10 place count 167 transition count 211
Performed 34 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 2 with 34 Pre rules applied. Total rules applied 10 place count 167 transition count 177
Deduced a syphon composed of 34 places in 0 ms
Reduce places removed 34 places and 0 transitions.
Iterating global reduction 2 with 68 rules applied. Total rules applied 78 place count 133 transition count 177
Performed 4 Post agglomeration using F-continuation condition.Transition count delta: 4
Deduced a syphon composed of 4 places in 0 ms
Reduce places removed 4 places and 0 transitions.
Iterating global reduction 2 with 8 rules applied. Total rules applied 86 place count 129 transition count 173
Performed 1 Post agglomeration using F-continuation condition.Transition count delta: -6
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 88 place count 128 transition count 179
Drop transitions removed 1 transitions
Redundant transition composition rules discarded 1 transitions
Iterating global reduction 2 with 1 rules applied. Total rules applied 89 place count 128 transition count 178
Applied a total of 89 rules in 26 ms. Remains 128 /171 variables (removed 43) and now considering 178/217 (removed 39) transitions.
Running SMT prover for 1 properties.
// Phase 1: matrix 178 rows 128 cols
[2023-03-17 14:14:39] [INFO ] Computed 6 place invariants in 6 ms
[2023-03-17 14:14:39] [INFO ] [Real]Absence check using 0 positive and 6 generalized place invariants in 6 ms returned sat
[2023-03-17 14:14:39] [INFO ] After 38ms SMT Verify possible using state equation in real domain returned unsat :0 sat :1
[2023-03-17 14:14:39] [INFO ] After 59ms SMT Verify possible using trap constraints in real domain returned unsat :0 sat :1
Attempting to minimize the solution found.
Minimization took 7 ms.
[2023-03-17 14:14:39] [INFO ] After 104ms SMT Verify possible using all constraints in real domain returned unsat :0 sat :1
Successfully simplified 10 atomic propositions for a total of 9 simplifications.
Initial state reduction rules removed 2 formulas.
FORMULA RingSingleMessageInMbox-PT-d1m080-CTLCardinality-02 TRUE TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA RingSingleMessageInMbox-PT-d1m080-CTLCardinality-06 TRUE TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA RingSingleMessageInMbox-PT-d1m080-CTLCardinality-11 TRUE TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA RingSingleMessageInMbox-PT-d1m080-CTLCardinality-12 FALSE TECHNIQUES TOPOLOGICAL INITIAL_STATE
[2023-03-17 14:14:40] [INFO ] Flatten gal took : 17 ms
[2023-03-17 14:14:40] [INFO ] Initial state reduction rules for CTL removed 1 formulas.
FORMULA RingSingleMessageInMbox-PT-d1m080-CTLCardinality-00 FALSE TECHNIQUES TOPOLOGICAL INITIAL_STATE
[2023-03-17 14:14:40] [INFO ] Flatten gal took : 18 ms
[2023-03-17 14:14:40] [INFO ] Input system was already deterministic with 336 transitions.
Computed a total of 26 stabilizing places and 74 stable transitions
Graph (complete) has 803 edges and 216 vertex of which 215 are kept as prefixes of interest. Removing 1 places using SCC suffix rule.4 ms
Starting structural reductions in SI_CTL mode, iteration 0 : 216/216 places, 336/336 transitions.
Discarding 23 places :
Symmetric choice reduction at 0 with 23 rule applications. Total rules 23 place count 193 transition count 313
Iterating global reduction 0 with 23 rules applied. Total rules applied 46 place count 193 transition count 313
Ensure Unique test removed 13 transitions
Reduce isomorphic transitions removed 13 transitions.
Iterating post reduction 0 with 13 rules applied. Total rules applied 59 place count 193 transition count 300
Discarding 10 places :
Symmetric choice reduction at 1 with 10 rule applications. Total rules 69 place count 183 transition count 290
Iterating global reduction 1 with 10 rules applied. Total rules applied 79 place count 183 transition count 290
Ensure Unique test removed 10 transitions
Reduce isomorphic transitions removed 10 transitions.
Iterating post reduction 1 with 10 rules applied. Total rules applied 89 place count 183 transition count 280
Discarding 1 places :
Symmetric choice reduction at 2 with 1 rule applications. Total rules 90 place count 182 transition count 267
Iterating global reduction 2 with 1 rules applied. Total rules applied 91 place count 182 transition count 267
Applied a total of 91 rules in 30 ms. Remains 182 /216 variables (removed 34) and now considering 267/336 (removed 69) transitions.
Finished structural reductions in SI_CTL mode , in 1 iterations and 30 ms. Remains : 182/216 places, 267/336 transitions.
[2023-03-17 14:14:40] [INFO ] Flatten gal took : 12 ms
[2023-03-17 14:14:40] [INFO ] Flatten gal took : 14 ms
[2023-03-17 14:14:40] [INFO ] Input system was already deterministic with 267 transitions.
Starting structural reductions in LTL mode, iteration 0 : 216/216 places, 336/336 transitions.
Discarding 26 places :
Symmetric choice reduction at 0 with 26 rule applications. Total rules 26 place count 190 transition count 310
Iterating global reduction 0 with 26 rules applied. Total rules applied 52 place count 190 transition count 310
Ensure Unique test removed 16 transitions
Reduce isomorphic transitions removed 16 transitions.
Iterating post reduction 0 with 16 rules applied. Total rules applied 68 place count 190 transition count 294
Discarding 10 places :
Symmetric choice reduction at 1 with 10 rule applications. Total rules 78 place count 180 transition count 284
Iterating global reduction 1 with 10 rules applied. Total rules applied 88 place count 180 transition count 284
Ensure Unique test removed 10 transitions
Reduce isomorphic transitions removed 10 transitions.
Iterating post reduction 1 with 10 rules applied. Total rules applied 98 place count 180 transition count 274
Discarding 3 places :
Symmetric choice reduction at 2 with 3 rule applications. Total rules 101 place count 177 transition count 235
Iterating global reduction 2 with 3 rules applied. Total rules applied 104 place count 177 transition count 235
Discarding 2 places :
Symmetric choice reduction at 2 with 2 rule applications. Total rules 106 place count 175 transition count 233
Iterating global reduction 2 with 2 rules applied. Total rules applied 108 place count 175 transition count 233
Ensure Unique test removed 1 transitions
Reduce isomorphic transitions removed 1 transitions.
Iterating post reduction 2 with 1 rules applied. Total rules applied 109 place count 175 transition count 232
Discarding 4 places :
Symmetric choice reduction at 3 with 4 rule applications. Total rules 113 place count 171 transition count 228
Iterating global reduction 3 with 4 rules applied. Total rules applied 117 place count 171 transition count 228
Ensure Unique test removed 4 transitions
Reduce isomorphic transitions removed 4 transitions.
Iterating post reduction 3 with 4 rules applied. Total rules applied 121 place count 171 transition count 224
Applied a total of 121 rules in 14 ms. Remains 171 /216 variables (removed 45) and now considering 224/336 (removed 112) transitions.
Finished structural reductions in LTL mode , in 1 iterations and 14 ms. Remains : 171/216 places, 224/336 transitions.
[2023-03-17 14:14:40] [INFO ] Flatten gal took : 10 ms
[2023-03-17 14:14:40] [INFO ] Flatten gal took : 10 ms
[2023-03-17 14:14:40] [INFO ] Input system was already deterministic with 224 transitions.
Starting structural reductions in SI_CTL mode, iteration 0 : 216/216 places, 336/336 transitions.
Discarding 23 places :
Symmetric choice reduction at 0 with 23 rule applications. Total rules 23 place count 193 transition count 313
Iterating global reduction 0 with 23 rules applied. Total rules applied 46 place count 193 transition count 313
Ensure Unique test removed 15 transitions
Reduce isomorphic transitions removed 15 transitions.
Iterating post reduction 0 with 15 rules applied. Total rules applied 61 place count 193 transition count 298
Discarding 8 places :
Symmetric choice reduction at 1 with 8 rule applications. Total rules 69 place count 185 transition count 290
Iterating global reduction 1 with 8 rules applied. Total rules applied 77 place count 185 transition count 290
Ensure Unique test removed 8 transitions
Reduce isomorphic transitions removed 8 transitions.
Iterating post reduction 1 with 8 rules applied. Total rules applied 85 place count 185 transition count 282
Discarding 2 places :
Symmetric choice reduction at 2 with 2 rule applications. Total rules 87 place count 183 transition count 256
Iterating global reduction 2 with 2 rules applied. Total rules applied 89 place count 183 transition count 256
Discarding 1 places :
Symmetric choice reduction at 2 with 1 rule applications. Total rules 90 place count 182 transition count 255
Iterating global reduction 2 with 1 rules applied. Total rules applied 91 place count 182 transition count 255
Discarding 4 places :
Symmetric choice reduction at 2 with 4 rule applications. Total rules 95 place count 178 transition count 251
Iterating global reduction 2 with 4 rules applied. Total rules applied 99 place count 178 transition count 251
Ensure Unique test removed 8 transitions
Reduce isomorphic transitions removed 8 transitions.
Iterating post reduction 2 with 8 rules applied. Total rules applied 107 place count 178 transition count 243
Applied a total of 107 rules in 31 ms. Remains 178 /216 variables (removed 38) and now considering 243/336 (removed 93) transitions.
Finished structural reductions in SI_CTL mode , in 1 iterations and 31 ms. Remains : 178/216 places, 243/336 transitions.
[2023-03-17 14:14:40] [INFO ] Flatten gal took : 10 ms
[2023-03-17 14:14:40] [INFO ] Flatten gal took : 11 ms
[2023-03-17 14:14:40] [INFO ] Input system was already deterministic with 243 transitions.
Finished random walk after 282 steps, including 49 resets, run visited all 1 properties in 3 ms. (steps per millisecond=94 )
FORMULA RingSingleMessageInMbox-PT-d1m080-CTLCardinality-08 FALSE TECHNIQUES TOPOLOGICAL RANDOM_WALK
Starting structural reductions in LTL mode, iteration 0 : 216/216 places, 336/336 transitions.
Discarding 22 places :
Symmetric choice reduction at 0 with 22 rule applications. Total rules 22 place count 194 transition count 314
Iterating global reduction 0 with 22 rules applied. Total rules applied 44 place count 194 transition count 314
Ensure Unique test removed 15 transitions
Reduce isomorphic transitions removed 15 transitions.
Iterating post reduction 0 with 15 rules applied. Total rules applied 59 place count 194 transition count 299
Discarding 7 places :
Symmetric choice reduction at 1 with 7 rule applications. Total rules 66 place count 187 transition count 292
Iterating global reduction 1 with 7 rules applied. Total rules applied 73 place count 187 transition count 292
Ensure Unique test removed 7 transitions
Reduce isomorphic transitions removed 7 transitions.
Iterating post reduction 1 with 7 rules applied. Total rules applied 80 place count 187 transition count 285
Discarding 1 places :
Symmetric choice reduction at 2 with 1 rule applications. Total rules 81 place count 186 transition count 272
Iterating global reduction 2 with 1 rules applied. Total rules applied 82 place count 186 transition count 272
Applied a total of 82 rules in 9 ms. Remains 186 /216 variables (removed 30) and now considering 272/336 (removed 64) transitions.
Finished structural reductions in LTL mode , in 1 iterations and 9 ms. Remains : 186/216 places, 272/336 transitions.
[2023-03-17 14:14:40] [INFO ] Flatten gal took : 11 ms
[2023-03-17 14:14:40] [INFO ] Flatten gal took : 12 ms
[2023-03-17 14:14:40] [INFO ] Input system was already deterministic with 272 transitions.
Starting structural reductions in LTL mode, iteration 0 : 216/216 places, 336/336 transitions.
Discarding 26 places :
Symmetric choice reduction at 0 with 26 rule applications. Total rules 26 place count 190 transition count 310
Iterating global reduction 0 with 26 rules applied. Total rules applied 52 place count 190 transition count 310
Ensure Unique test removed 16 transitions
Reduce isomorphic transitions removed 16 transitions.
Iterating post reduction 0 with 16 rules applied. Total rules applied 68 place count 190 transition count 294
Discarding 10 places :
Symmetric choice reduction at 1 with 10 rule applications. Total rules 78 place count 180 transition count 284
Iterating global reduction 1 with 10 rules applied. Total rules applied 88 place count 180 transition count 284
Ensure Unique test removed 10 transitions
Reduce isomorphic transitions removed 10 transitions.
Iterating post reduction 1 with 10 rules applied. Total rules applied 98 place count 180 transition count 274
Discarding 3 places :
Symmetric choice reduction at 2 with 3 rule applications. Total rules 101 place count 177 transition count 235
Iterating global reduction 2 with 3 rules applied. Total rules applied 104 place count 177 transition count 235
Discarding 2 places :
Symmetric choice reduction at 2 with 2 rule applications. Total rules 106 place count 175 transition count 233
Iterating global reduction 2 with 2 rules applied. Total rules applied 108 place count 175 transition count 233
Ensure Unique test removed 1 transitions
Reduce isomorphic transitions removed 1 transitions.
Iterating post reduction 2 with 1 rules applied. Total rules applied 109 place count 175 transition count 232
Discarding 4 places :
Symmetric choice reduction at 3 with 4 rule applications. Total rules 113 place count 171 transition count 228
Iterating global reduction 3 with 4 rules applied. Total rules applied 117 place count 171 transition count 228
Ensure Unique test removed 4 transitions
Reduce isomorphic transitions removed 4 transitions.
Iterating post reduction 3 with 4 rules applied. Total rules applied 121 place count 171 transition count 224
Applied a total of 121 rules in 13 ms. Remains 171 /216 variables (removed 45) and now considering 224/336 (removed 112) transitions.
Finished structural reductions in LTL mode , in 1 iterations and 13 ms. Remains : 171/216 places, 224/336 transitions.
[2023-03-17 14:14:40] [INFO ] Flatten gal took : 9 ms
[2023-03-17 14:14:40] [INFO ] Flatten gal took : 9 ms
[2023-03-17 14:14:40] [INFO ] Input system was already deterministic with 224 transitions.
Starting structural reductions in LTL mode, iteration 0 : 216/216 places, 336/336 transitions.
Discarding 26 places :
Symmetric choice reduction at 0 with 26 rule applications. Total rules 26 place count 190 transition count 310
Iterating global reduction 0 with 26 rules applied. Total rules applied 52 place count 190 transition count 310
Ensure Unique test removed 16 transitions
Reduce isomorphic transitions removed 16 transitions.
Iterating post reduction 0 with 16 rules applied. Total rules applied 68 place count 190 transition count 294
Discarding 10 places :
Symmetric choice reduction at 1 with 10 rule applications. Total rules 78 place count 180 transition count 284
Iterating global reduction 1 with 10 rules applied. Total rules applied 88 place count 180 transition count 284
Ensure Unique test removed 10 transitions
Reduce isomorphic transitions removed 10 transitions.
Iterating post reduction 1 with 10 rules applied. Total rules applied 98 place count 180 transition count 274
Discarding 3 places :
Symmetric choice reduction at 2 with 3 rule applications. Total rules 101 place count 177 transition count 235
Iterating global reduction 2 with 3 rules applied. Total rules applied 104 place count 177 transition count 235
Discarding 2 places :
Symmetric choice reduction at 2 with 2 rule applications. Total rules 106 place count 175 transition count 233
Iterating global reduction 2 with 2 rules applied. Total rules applied 108 place count 175 transition count 233
Ensure Unique test removed 1 transitions
Reduce isomorphic transitions removed 1 transitions.
Iterating post reduction 2 with 1 rules applied. Total rules applied 109 place count 175 transition count 232
Discarding 4 places :
Symmetric choice reduction at 3 with 4 rule applications. Total rules 113 place count 171 transition count 228
Iterating global reduction 3 with 4 rules applied. Total rules applied 117 place count 171 transition count 228
Ensure Unique test removed 4 transitions
Reduce isomorphic transitions removed 4 transitions.
Iterating post reduction 3 with 4 rules applied. Total rules applied 121 place count 171 transition count 224
Applied a total of 121 rules in 16 ms. Remains 171 /216 variables (removed 45) and now considering 224/336 (removed 112) transitions.
Finished structural reductions in LTL mode , in 1 iterations and 18 ms. Remains : 171/216 places, 224/336 transitions.
[2023-03-17 14:14:40] [INFO ] Flatten gal took : 8 ms
[2023-03-17 14:14:40] [INFO ] Flatten gal took : 8 ms
[2023-03-17 14:14:40] [INFO ] Input system was already deterministic with 224 transitions.
[2023-03-17 14:14:40] [INFO ] Flatten gal took : 12 ms
[2023-03-17 14:14:40] [INFO ] Flatten gal took : 12 ms
[2023-03-17 14:14:40] [INFO ] Export to MCC of 5 properties in file /home/mcc/execution/CTLCardinality.sr.xml took 1 ms.
[2023-03-17 14:14:40] [INFO ] Export to PNML in file /home/mcc/execution/model.sr.pnml of net with 216 places, 336 transitions and 1331 arcs took 3 ms.
Total runtime 9020 ms.
There are residual formulas that ITS could not solve within timeout
starting LoLA
BK_INPUT RingSingleMessageInMbox-PT-d1m080
BK_EXAMINATION: CTLCardinality
bin directory: /home/mcc/BenchKit/bin//../reducer/bin//../../lola/bin/
current directory: /home/mcc/execution/374

FORMULA RingSingleMessageInMbox-PT-d1m080-CTLCardinality-14 TRUE TECHNIQUES COLLATERAL_PROCESSING EXPLICIT TOPOLOGICAL STATE_COMPRESSION STUBBORN_SETS USE_NUPN UNFOLDING_TO_PT

FORMULA RingSingleMessageInMbox-PT-d1m080-CTLCardinality-04 TRUE TECHNIQUES COLLATERAL_PROCESSING EXPLICIT TOPOLOGICAL STATE_COMPRESSION STUBBORN_SETS USE_NUPN UNFOLDING_TO_PT

FORMULA RingSingleMessageInMbox-PT-d1m080-CTLCardinality-03 FALSE TECHNIQUES COLLATERAL_PROCESSING EXPLICIT TOPOLOGICAL STATE_COMPRESSION STUBBORN_SETS USE_NUPN UNFOLDING_TO_PT

FORMULA RingSingleMessageInMbox-PT-d1m080-CTLCardinality-09 TRUE TECHNIQUES COLLATERAL_PROCESSING EXPLICIT TOPOLOGICAL STATE_COMPRESSION STUBBORN_SETS USE_NUPN UNFOLDING_TO_PT

FORMULA RingSingleMessageInMbox-PT-d1m080-CTLCardinality-10 FALSE TECHNIQUES COLLATERAL_PROCESSING EXPLICIT TOPOLOGICAL STATE_COMPRESSION STUBBORN_SETS USE_NUPN UNFOLDING_TO_PT

BK_STOP 1679062481489

--------------------
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:
++ perl -pe 's/.*\.//g'
++ sed s/.jar//
++ 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 CTLCardinality -timeout 360 -rebuildPNML
lola: MEM LIMIT 32
lola: MEM LIMIT 5
lola: NET
lola: input: PNML file (--pnmlnet)
lola: reading net from /home/mcc/execution/374/model.pnml
lola: reading pnml
lola: PNML file contains place/transition net
lola: finished parsing
lola: closed net file /home/mcc/execution/374/model.pnml
lola: Reading formula.
lola: Using XML format (--xmlformula)
lola: reading XML formula
lola: reading formula from /home/mcc/execution/374/CTLCardinality.xml
lola: rewrite Frontend/Parser/formula_rewrite.k:98
lola: rewrite Frontend/Parser/formula_rewrite.k:129
lola: rewrite Frontend/Parser/formula_rewrite.k:98
lola: rewrite Frontend/Parser/formula_rewrite.k:129
lola: rewrite Frontend/Parser/formula_rewrite.k:98
lola: rewrite Frontend/Parser/formula_rewrite.k:129
lola: Created skeleton in 0.000000 secs.
lola: Created skeleton in 0.000000 secs.
lola: Created skeleton in 0.000000 secs.
lola: Rule S: 0 transitions removed,0 places removed
lola: Created skeleton in 0.000000 secs.
lola: LAUNCH INITIAL
lola: LAUNCH task # 13 (type CNST) for 12 RingSingleMessageInMbox-PT-d1m080-CTLCardinality-14
lola: time limit : 0 sec
lola: memory limit: 0 pages
lola: FINISHED task # 13 (type CNST) for RingSingleMessageInMbox-PT-d1m080-CTLCardinality-14
lola: result : true
lola: rewrite Frontend/Parser/formula_rewrite.k:808
lola: rewrite Frontend/Parser/formula_rewrite.k:812
lola: LAUNCH task # 4 (type EXCL) for 3 RingSingleMessageInMbox-PT-d1m080-CTLCardinality-04
lola: time limit : 900 sec
lola: memory limit: 32 pages
lola: rewrite Frontend/Parser/formula_rewrite.k:806
lola: rewrite Frontend/Parser/formula_rewrite.k:813
lola: rewrite Frontend/Parser/formula_rewrite.k:814
lola: FINISHED task # 4 (type EXCL) for RingSingleMessageInMbox-PT-d1m080-CTLCardinality-04
lola: result : true
lola: markings : 170
lola: fired transitions : 170
lola: time used : 0.000000
lola: memory pages used : 1
lola: LAUNCH task # 1 (type EXCL) for 0 RingSingleMessageInMbox-PT-d1m080-CTLCardinality-03
lola: time limit : 1200 sec
lola: memory limit: 32 pages
lola: rewrite Frontend/Parser/formula_rewrite.k:808
lola: rewrite Frontend/Parser/formula_rewrite.k:809
lola: rewrite Frontend/Parser/formula_rewrite.k:811
lola: rewrite Frontend/Parser/formula_rewrite.k:812
lola: FINISHED task # 1 (type EXCL) for RingSingleMessageInMbox-PT-d1m080-CTLCardinality-03
lola: result : false
lola: markings : 11
lola: fired transitions : 32
lola: time used : 0.000000
lola: memory pages used : 1
lola: rewrite Frontend/Parser/formula_rewrite.k:813
lola: rewrite Frontend/Parser/formula_rewrite.k:811
lola: LAUNCH task # 7 (type EXCL) for 6 RingSingleMessageInMbox-PT-d1m080-CTLCardinality-09
lola: time limit : 1800 sec
lola: memory limit: 32 pages
lola: FINISHED task # 7 (type EXCL) for RingSingleMessageInMbox-PT-d1m080-CTLCardinality-09
lola: result : true
lola: markings : 10
lola: fired transitions : 11
lola: time used : 0.000000
lola: memory pages used : 1
lola: LAUNCH task # 10 (type EXCL) for 9 RingSingleMessageInMbox-PT-d1m080-CTLCardinality-10
lola: time limit : 3600 sec
lola: memory limit: 32 pages
lola: FINISHED task # 10 (type EXCL) for RingSingleMessageInMbox-PT-d1m080-CTLCardinality-10
lola: result : false
lola: markings : 11
lola: fired transitions : 31
lola: time used : 0.000000
lola: memory pages used : 1
lola: Portfolio finished: no open formulas

FINAL RESULTS
FINISHED FORMULA: CATEGORY VALUE PRODUCED BY
RingSingleMessageInMbox-PT-d1m080-CTLCardinality-03: CTL false CTL model checker
RingSingleMessageInMbox-PT-d1m080-CTLCardinality-04: CTL true CTL model checker
RingSingleMessageInMbox-PT-d1m080-CTLCardinality-09: CTL true CTL model checker
RingSingleMessageInMbox-PT-d1m080-CTLCardinality-10: AFAG false CTL model checker
RingSingleMessageInMbox-PT-d1m080-CTLCardinality-14: INITIAL true preprocessing


Time elapsed: 0 secs. Pages in use: 1

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="RingSingleMessageInMbox-PT-d1m080"
export BK_EXAMINATION="CTLCardinality"
export BK_TOOL="lolaxred"
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 lolaxred"
echo " Input is RingSingleMessageInMbox-PT-d1m080, examination is CTLCardinality"
echo " Time confinement is $BK_TIME_CONFINEMENT seconds"
echo " Memory confinement is 16384 MBytes"
echo " Number of cores is 4"
echo " Run identifier is r327-tall-167889200200865"
echo "====================================================================="
echo
echo "--------------------"
echo "preparation of the directory to be used:"

tar xzf /home/mcc/BenchKit/INPUTS/RingSingleMessageInMbox-PT-d1m080.tgz
mv RingSingleMessageInMbox-PT-d1m080 execution
cd execution
if [ "CTLCardinality" = "ReachabilityDeadlock" ] || [ "CTLCardinality" = "UpperBounds" ] || [ "CTLCardinality" = "QuasiLiveness" ] || [ "CTLCardinality" = "StableMarking" ] || [ "CTLCardinality" = "Liveness" ] || [ "CTLCardinality" = "OneSafe" ] || [ "CTLCardinality" = "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 [ "CTLCardinality" = "UpperBounds" ] ; then
echo "The expected result is a vector of positive values"
echo NUM_VECTOR
elif [ "CTLCardinality" != "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 "CTLCardinality.txt" ] ; then
echo "here is the order used to build the result vector(from text file)"
for x in $(grep Property CTLCardinality.txt | cut -d ' ' -f 2 | sort -u) ; do
echo "FORMULA_NAME $x"
done
elif [ -f "CTLCardinality.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 '' CTLCardinality.xml | cut -d '>' -f 2 | cut -d '<' -f 1 | sort -u) ; do
echo "FORMULA_NAME $x"
done
elif [ "CTLCardinality" = "ReachabilityDeadlock" ] || [ "CTLCardinality" = "QuasiLiveness" ] || [ "CTLCardinality" = "StableMarking" ] || [ "CTLCardinality" = "Liveness" ] || [ "CTLCardinality" = "OneSafe" ] ; then
echo "FORMULA_NAME CTLCardinality"
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 ;