About the Execution of Marcie+red for DES-PT-00b
| Execution Summary | |||||
| Max Memory Used (MB) |
Time wait (ms) | CPU Usage (ms) | I/O Wait (ms) | Computed Result | Execution Status |
| 6370.044 | 3600000.00 | 3632487.00 | 8520.40 | ???????T??????T? | normal |
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.r106-tall-167814482600354.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)
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=====================================================================
Generated by BenchKit 2-5348
Executing tool marciexred
Input is DES-PT-00b, examination is CTLFireability
Time confinement is 3600 seconds
Memory confinement is 16384 MBytes
Number of cores is 4
Run identifier is r106-tall-167814482600354
=====================================================================
--------------------
preparation of the directory to be used:
/home/mcc/execution
total 524K
-rw-r--r-- 1 mcc users 5.8K Feb 26 15:42 CTLCardinality.txt
-rw-r--r-- 1 mcc users 63K Feb 26 15:42 CTLCardinality.xml
-rw-r--r-- 1 mcc users 5.5K Feb 26 15:42 CTLFireability.txt
-rw-r--r-- 1 mcc users 52K Feb 26 15:42 CTLFireability.xml
-rw-r--r-- 1 mcc users 4.2K Jan 29 11:40 GenericPropertiesDefinition.xml
-rw-r--r-- 1 mcc users 6.6K Jan 29 11:40 GenericPropertiesVerdict.xml
-rw-r--r-- 1 mcc users 3.2K Feb 25 15:50 LTLCardinality.txt
-rw-r--r-- 1 mcc users 22K Feb 25 15:50 LTLCardinality.xml
-rw-r--r-- 1 mcc users 2.0K Feb 25 15:50 LTLFireability.txt
-rw-r--r-- 1 mcc users 17K Feb 25 15:50 LTLFireability.xml
-rw-r--r-- 1 mcc users 11K Feb 26 15:43 ReachabilityCardinality.txt
-rw-r--r-- 1 mcc users 120K Feb 26 15:43 ReachabilityCardinality.xml
-rw-r--r-- 1 mcc users 9.8K Feb 26 15:43 ReachabilityFireability.txt
-rw-r--r-- 1 mcc users 91K Feb 26 15:43 ReachabilityFireability.xml
-rw-r--r-- 1 mcc users 1.5K Feb 25 15:50 UpperBounds.txt
-rw-r--r-- 1 mcc users 3.5K Feb 25 15:50 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 66K 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 DES-PT-00b-CTLFireability-00
FORMULA_NAME DES-PT-00b-CTLFireability-01
FORMULA_NAME DES-PT-00b-CTLFireability-02
FORMULA_NAME DES-PT-00b-CTLFireability-03
FORMULA_NAME DES-PT-00b-CTLFireability-04
FORMULA_NAME DES-PT-00b-CTLFireability-05
FORMULA_NAME DES-PT-00b-CTLFireability-06
FORMULA_NAME DES-PT-00b-CTLFireability-07
FORMULA_NAME DES-PT-00b-CTLFireability-08
FORMULA_NAME DES-PT-00b-CTLFireability-09
FORMULA_NAME DES-PT-00b-CTLFireability-10
FORMULA_NAME DES-PT-00b-CTLFireability-11
FORMULA_NAME DES-PT-00b-CTLFireability-12
FORMULA_NAME DES-PT-00b-CTLFireability-13
FORMULA_NAME DES-PT-00b-CTLFireability-14
FORMULA_NAME DES-PT-00b-CTLFireability-15
=== Now, execution of the tool begins
BK_START 1678376964167
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=DES-PT-00b
Applying reductions before tool marcie
Invoking reducer
Running Version 202303021504
[2023-03-09 15:49:25] [INFO ] Running its-tools with arguments : [-pnfolder, /home/mcc/execution, -examination, CTLFireability, -timeout, 360, -rebuildPNML]
[2023-03-09 15:49:25] [INFO ] Parsing pnml file : /home/mcc/execution/model.pnml
[2023-03-09 15:49:26] [INFO ] Load time of PNML (sax parser for PT used): 258 ms
[2023-03-09 15:49:26] [INFO ] Transformed 271 places.
[2023-03-09 15:49:26] [INFO ] Transformed 230 transitions.
[2023-03-09 15:49:26] [INFO ] Found NUPN structural information;
[2023-03-09 15:49:26] [INFO ] Parsed PT model containing 271 places and 230 transitions and 658 arcs in 319 ms.
Parsed 16 properties from file /home/mcc/execution/CTLFireability.xml in 9 ms.
Support contains 121 out of 271 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 271/271 places, 230/230 transitions.
Reduce places removed 2 places and 0 transitions.
Iterating post reduction 0 with 2 rules applied. Total rules applied 2 place count 269 transition count 230
Discarding 9 places :
Symmetric choice reduction at 1 with 9 rule applications. Total rules 11 place count 260 transition count 221
Iterating global reduction 1 with 9 rules applied. Total rules applied 20 place count 260 transition count 221
Discarding 3 places :
Symmetric choice reduction at 1 with 3 rule applications. Total rules 23 place count 257 transition count 218
Iterating global reduction 1 with 3 rules applied. Total rules applied 26 place count 257 transition count 218
Ensure Unique test removed 2 transitions
Reduce isomorphic transitions removed 2 transitions.
Iterating post reduction 1 with 2 rules applied. Total rules applied 28 place count 257 transition count 216
Applied a total of 28 rules in 53 ms. Remains 257 /271 variables (removed 14) and now considering 216/230 (removed 14) transitions.
// Phase 1: matrix 216 rows 257 cols
[2023-03-09 15:49:26] [INFO ] Computed 57 place invariants in 23 ms
[2023-03-09 15:49:26] [INFO ] Implicit Places using invariants in 264 ms returned []
[2023-03-09 15:49:26] [INFO ] Invariant cache hit.
[2023-03-09 15:49:26] [INFO ] Implicit Places using invariants and state equation in 210 ms returned []
Implicit Place search using SMT with State Equation took 497 ms to find 0 implicit places.
[2023-03-09 15:49:26] [INFO ] Invariant cache hit.
[2023-03-09 15:49:26] [INFO ] Dead Transitions using invariants and state equation in 152 ms found 0 transitions.
Starting structural reductions in LTL mode, iteration 1 : 257/271 places, 216/230 transitions.
Finished structural reductions in LTL mode , in 1 iterations and 704 ms. Remains : 257/271 places, 216/230 transitions.
Support contains 121 out of 257 places after structural reductions.
[2023-03-09 15:49:26] [INFO ] Flatten gal took : 39 ms
[2023-03-09 15:49:26] [INFO ] Flatten gal took : 16 ms
[2023-03-09 15:49:27] [INFO ] Input system was already deterministic with 216 transitions.
Support contains 116 out of 257 places (down from 121) after GAL structural reductions.
Incomplete random walk after 10000 steps, including 85 resets, run finished after 396 ms. (steps per millisecond=25 ) properties (out of 80) seen :74
Incomplete Best-First random walk after 10001 steps, including 12 resets, run finished after 37 ms. (steps per millisecond=270 ) properties (out of 6) seen :0
Incomplete Best-First random walk after 10001 steps, including 18 resets, run finished after 46 ms. (steps per millisecond=217 ) properties (out of 6) seen :0
Incomplete Best-First random walk after 10000 steps, including 12 resets, run finished after 47 ms. (steps per millisecond=212 ) properties (out of 6) seen :0
Incomplete Best-First random walk after 10000 steps, including 14 resets, run finished after 37 ms. (steps per millisecond=270 ) properties (out of 6) seen :0
Incomplete Best-First random walk after 10001 steps, including 13 resets, run finished after 32 ms. (steps per millisecond=312 ) properties (out of 6) seen :0
Incomplete Best-First random walk after 10000 steps, including 13 resets, run finished after 31 ms. (steps per millisecond=322 ) properties (out of 6) seen :0
Running SMT prover for 6 properties.
[2023-03-09 15:49:27] [INFO ] Invariant cache hit.
[2023-03-09 15:49:27] [INFO ] [Real]Absence check using 34 positive place invariants in 7 ms returned sat
[2023-03-09 15:49:27] [INFO ] [Real]Absence check using 34 positive and 23 generalized place invariants in 7 ms returned sat
[2023-03-09 15:49:27] [INFO ] After 101ms SMT Verify possible using all constraints in real domain returned unsat :0 sat :0 real:6
[2023-03-09 15:49:28] [INFO ] [Nat]Absence check using 34 positive place invariants in 9 ms returned sat
[2023-03-09 15:49:28] [INFO ] [Nat]Absence check using 34 positive and 23 generalized place invariants in 7 ms returned sat
[2023-03-09 15:49:28] [INFO ] After 191ms SMT Verify possible using state equation in natural domain returned unsat :2 sat :4
[2023-03-09 15:49:28] [INFO ] After 292ms SMT Verify possible using trap constraints in natural domain returned unsat :2 sat :4
Attempting to minimize the solution found.
Minimization took 67 ms.
[2023-03-09 15:49:28] [INFO ] After 623ms SMT Verify possible using all constraints in natural domain returned unsat :2 sat :4
Fused 6 Parikh solutions to 4 different solutions.
Parikh walk visited 0 properties in 53 ms.
Support contains 17 out of 257 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 257/257 places, 216/216 transitions.
Graph (complete) has 465 edges and 257 vertex of which 254 are kept as prefixes of interest. Removing 3 places using SCC suffix rule.1 ms
Discarding 3 places :
Also discarding 3 output transitions
Drop transitions removed 3 transitions
Drop transitions removed 1 transitions
Reduce isomorphic transitions removed 1 transitions.
Drop transitions removed 20 transitions
Trivial Post-agglo rules discarded 20 transitions
Performed 20 trivial Post agglomeration. Transition count delta: 20
Iterating post reduction 0 with 21 rules applied. Total rules applied 22 place count 254 transition count 192
Reduce places removed 20 places and 0 transitions.
Performed 1 Post agglomeration using F-continuation condition.Transition count delta: 1
Iterating post reduction 1 with 21 rules applied. Total rules applied 43 place count 234 transition count 191
Reduce places removed 1 places and 0 transitions.
Iterating post reduction 2 with 1 rules applied. Total rules applied 44 place count 233 transition count 191
Performed 10 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 3 with 10 Pre rules applied. Total rules applied 44 place count 233 transition count 181
Deduced a syphon composed of 10 places in 3 ms
Reduce places removed 10 places and 0 transitions.
Iterating global reduction 3 with 20 rules applied. Total rules applied 64 place count 223 transition count 181
Discarding 11 places :
Symmetric choice reduction at 3 with 11 rule applications. Total rules 75 place count 212 transition count 170
Iterating global reduction 3 with 11 rules applied. Total rules applied 86 place count 212 transition count 170
Ensure Unique test removed 3 transitions
Reduce isomorphic transitions removed 3 transitions.
Iterating post reduction 3 with 3 rules applied. Total rules applied 89 place count 212 transition count 167
Discarding 6 places :
Symmetric choice reduction at 4 with 6 rule applications. Total rules 95 place count 206 transition count 161
Iterating global reduction 4 with 6 rules applied. Total rules applied 101 place count 206 transition count 161
Ensure Unique test removed 5 transitions
Reduce isomorphic transitions removed 5 transitions.
Iterating post reduction 4 with 5 rules applied. Total rules applied 106 place count 206 transition count 156
Performed 1 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 5 with 1 Pre rules applied. Total rules applied 106 place count 206 transition count 155
Deduced a syphon composed of 1 places in 1 ms
Reduce places removed 1 places and 0 transitions.
Iterating global reduction 5 with 2 rules applied. Total rules applied 108 place count 205 transition count 155
Performed 60 Post agglomeration using F-continuation condition.Transition count delta: 60
Deduced a syphon composed of 60 places in 0 ms
Reduce places removed 60 places and 0 transitions.
Iterating global reduction 5 with 120 rules applied. Total rules applied 228 place count 145 transition count 95
Performed 2 Post agglomeration using F-continuation condition.Transition count delta: -1
Deduced a syphon composed of 2 places in 0 ms
Reduce places removed 2 places and 0 transitions.
Iterating global reduction 5 with 4 rules applied. Total rules applied 232 place count 143 transition count 96
Drop transitions removed 1 transitions
Redundant transition composition rules discarded 1 transitions
Iterating global reduction 5 with 1 rules applied. Total rules applied 233 place count 143 transition count 95
Free-agglomeration rule applied 2 times.
Iterating global reduction 5 with 2 rules applied. Total rules applied 235 place count 143 transition count 93
Reduce places removed 2 places and 0 transitions.
Iterating post reduction 5 with 2 rules applied. Total rules applied 237 place count 141 transition count 93
Free-agglomeration rule (complex) applied 3 times.
Iterating global reduction 6 with 3 rules applied. Total rules applied 240 place count 141 transition count 90
Reduce places removed 3 places and 0 transitions.
Iterating post reduction 6 with 3 rules applied. Total rules applied 243 place count 138 transition count 90
Drop transitions removed 1 transitions
Redundant transition composition rules discarded 1 transitions
Iterating global reduction 7 with 1 rules applied. Total rules applied 244 place count 138 transition count 89
Partial Free-agglomeration rule applied 2 times.
Drop transitions removed 2 transitions
Iterating global reduction 7 with 2 rules applied. Total rules applied 246 place count 138 transition count 89
Reduce places removed 1 places and 1 transitions.
Iterating global reduction 7 with 1 rules applied. Total rules applied 247 place count 137 transition count 88
Reduce places removed 1 places and 0 transitions.
Iterating post reduction 7 with 1 rules applied. Total rules applied 248 place count 136 transition count 88
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 8 with 2 rules applied. Total rules applied 250 place count 135 transition count 87
Applied a total of 250 rules in 98 ms. Remains 135 /257 variables (removed 122) and now considering 87/216 (removed 129) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 98 ms. Remains : 135/257 places, 87/216 transitions.
Incomplete random walk after 10000 steps, including 293 resets, run finished after 127 ms. (steps per millisecond=78 ) properties (out of 4) seen :1
Incomplete Best-First random walk after 10000 steps, including 51 resets, run finished after 25 ms. (steps per millisecond=400 ) properties (out of 3) seen :1
Incomplete Best-First random walk after 10001 steps, including 51 resets, run finished after 18 ms. (steps per millisecond=555 ) properties (out of 2) seen :1
Finished Best-First random walk after 3919 steps, including 20 resets, run visited all 1 properties in 6 ms. (steps per millisecond=653 )
Successfully simplified 2 atomic propositions for a total of 16 simplifications.
FORMULA DES-PT-00b-CTLFireability-07 TRUE TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA DES-PT-00b-CTLFireability-14 TRUE TECHNIQUES TOPOLOGICAL INITIAL_STATE
[2023-03-09 15:49:28] [INFO ] Flatten gal took : 11 ms
[2023-03-09 15:49:28] [INFO ] Flatten gal took : 11 ms
[2023-03-09 15:49:28] [INFO ] Input system was already deterministic with 216 transitions.
Computed a total of 27 stabilizing places and 27 stable transitions
Graph (complete) has 465 edges and 257 vertex of which 254 are kept as prefixes of interest. Removing 3 places using SCC suffix rule.5 ms
Starting structural reductions in LTL mode, iteration 0 : 257/257 places, 216/216 transitions.
Discarding 19 places :
Symmetric choice reduction at 0 with 19 rule applications. Total rules 19 place count 238 transition count 197
Iterating global reduction 0 with 19 rules applied. Total rules applied 38 place count 238 transition count 197
Ensure Unique test removed 3 transitions
Reduce isomorphic transitions removed 3 transitions.
Iterating post reduction 0 with 3 rules applied. Total rules applied 41 place count 238 transition count 194
Discarding 6 places :
Symmetric choice reduction at 1 with 6 rule applications. Total rules 47 place count 232 transition count 188
Iterating global reduction 1 with 6 rules applied. Total rules applied 53 place count 232 transition count 188
Ensure Unique test removed 6 transitions
Reduce isomorphic transitions removed 6 transitions.
Iterating post reduction 1 with 6 rules applied. Total rules applied 59 place count 232 transition count 182
Applied a total of 59 rules in 16 ms. Remains 232 /257 variables (removed 25) and now considering 182/216 (removed 34) transitions.
Finished structural reductions in LTL mode , in 1 iterations and 16 ms. Remains : 232/257 places, 182/216 transitions.
[2023-03-09 15:49:28] [INFO ] Flatten gal took : 9 ms
[2023-03-09 15:49:28] [INFO ] Flatten gal took : 9 ms
[2023-03-09 15:49:28] [INFO ] Input system was already deterministic with 182 transitions.
Starting structural reductions in LTL mode, iteration 0 : 257/257 places, 216/216 transitions.
Discarding 19 places :
Symmetric choice reduction at 0 with 19 rule applications. Total rules 19 place count 238 transition count 197
Iterating global reduction 0 with 19 rules applied. Total rules applied 38 place count 238 transition count 197
Ensure Unique test removed 3 transitions
Reduce isomorphic transitions removed 3 transitions.
Iterating post reduction 0 with 3 rules applied. Total rules applied 41 place count 238 transition count 194
Discarding 9 places :
Symmetric choice reduction at 1 with 9 rule applications. Total rules 50 place count 229 transition count 185
Iterating global reduction 1 with 9 rules applied. Total rules applied 59 place count 229 transition count 185
Ensure Unique test removed 8 transitions
Reduce isomorphic transitions removed 8 transitions.
Iterating post reduction 1 with 8 rules applied. Total rules applied 67 place count 229 transition count 177
Discarding 1 places :
Symmetric choice reduction at 2 with 1 rule applications. Total rules 68 place count 228 transition count 176
Iterating global reduction 2 with 1 rules applied. Total rules applied 69 place count 228 transition count 176
Ensure Unique test removed 1 transitions
Reduce isomorphic transitions removed 1 transitions.
Iterating post reduction 2 with 1 rules applied. Total rules applied 70 place count 228 transition count 175
Applied a total of 70 rules in 20 ms. Remains 228 /257 variables (removed 29) and now considering 175/216 (removed 41) transitions.
Finished structural reductions in LTL mode , in 1 iterations and 20 ms. Remains : 228/257 places, 175/216 transitions.
[2023-03-09 15:49:28] [INFO ] Flatten gal took : 8 ms
[2023-03-09 15:49:28] [INFO ] Flatten gal took : 9 ms
[2023-03-09 15:49:28] [INFO ] Input system was already deterministic with 175 transitions.
Starting structural reductions in LTL mode, iteration 0 : 257/257 places, 216/216 transitions.
Discarding 21 places :
Symmetric choice reduction at 0 with 21 rule applications. Total rules 21 place count 236 transition count 195
Iterating global reduction 0 with 21 rules applied. Total rules applied 42 place count 236 transition count 195
Ensure Unique test removed 3 transitions
Reduce isomorphic transitions removed 3 transitions.
Iterating post reduction 0 with 3 rules applied. Total rules applied 45 place count 236 transition count 192
Discarding 9 places :
Symmetric choice reduction at 1 with 9 rule applications. Total rules 54 place count 227 transition count 183
Iterating global reduction 1 with 9 rules applied. Total rules applied 63 place count 227 transition count 183
Ensure Unique test removed 8 transitions
Reduce isomorphic transitions removed 8 transitions.
Iterating post reduction 1 with 8 rules applied. Total rules applied 71 place count 227 transition count 175
Discarding 1 places :
Symmetric choice reduction at 2 with 1 rule applications. Total rules 72 place count 226 transition count 174
Iterating global reduction 2 with 1 rules applied. Total rules applied 73 place count 226 transition count 174
Ensure Unique test removed 1 transitions
Reduce isomorphic transitions removed 1 transitions.
Iterating post reduction 2 with 1 rules applied. Total rules applied 74 place count 226 transition count 173
Applied a total of 74 rules in 25 ms. Remains 226 /257 variables (removed 31) and now considering 173/216 (removed 43) transitions.
Finished structural reductions in LTL mode , in 1 iterations and 25 ms. Remains : 226/257 places, 173/216 transitions.
[2023-03-09 15:49:28] [INFO ] Flatten gal took : 8 ms
[2023-03-09 15:49:28] [INFO ] Flatten gal took : 7 ms
[2023-03-09 15:49:28] [INFO ] Input system was already deterministic with 173 transitions.
Starting structural reductions in LTL mode, iteration 0 : 257/257 places, 216/216 transitions.
Discarding 21 places :
Symmetric choice reduction at 0 with 21 rule applications. Total rules 21 place count 236 transition count 195
Iterating global reduction 0 with 21 rules applied. Total rules applied 42 place count 236 transition count 195
Ensure Unique test removed 3 transitions
Reduce isomorphic transitions removed 3 transitions.
Iterating post reduction 0 with 3 rules applied. Total rules applied 45 place count 236 transition count 192
Discarding 8 places :
Symmetric choice reduction at 1 with 8 rule applications. Total rules 53 place count 228 transition count 184
Iterating global reduction 1 with 8 rules applied. Total rules applied 61 place count 228 transition count 184
Ensure Unique test removed 8 transitions
Reduce isomorphic transitions removed 8 transitions.
Iterating post reduction 1 with 8 rules applied. Total rules applied 69 place count 228 transition count 176
Applied a total of 69 rules in 15 ms. Remains 228 /257 variables (removed 29) and now considering 176/216 (removed 40) transitions.
Finished structural reductions in LTL mode , in 1 iterations and 15 ms. Remains : 228/257 places, 176/216 transitions.
[2023-03-09 15:49:29] [INFO ] Flatten gal took : 7 ms
[2023-03-09 15:49:29] [INFO ] Flatten gal took : 7 ms
[2023-03-09 15:49:29] [INFO ] Input system was already deterministic with 176 transitions.
Starting structural reductions in LTL mode, iteration 0 : 257/257 places, 216/216 transitions.
Discarding 21 places :
Symmetric choice reduction at 0 with 21 rule applications. Total rules 21 place count 236 transition count 195
Iterating global reduction 0 with 21 rules applied. Total rules applied 42 place count 236 transition count 195
Ensure Unique test removed 3 transitions
Reduce isomorphic transitions removed 3 transitions.
Iterating post reduction 0 with 3 rules applied. Total rules applied 45 place count 236 transition count 192
Discarding 8 places :
Symmetric choice reduction at 1 with 8 rule applications. Total rules 53 place count 228 transition count 184
Iterating global reduction 1 with 8 rules applied. Total rules applied 61 place count 228 transition count 184
Ensure Unique test removed 8 transitions
Reduce isomorphic transitions removed 8 transitions.
Iterating post reduction 1 with 8 rules applied. Total rules applied 69 place count 228 transition count 176
Discarding 1 places :
Symmetric choice reduction at 2 with 1 rule applications. Total rules 70 place count 227 transition count 175
Iterating global reduction 2 with 1 rules applied. Total rules applied 71 place count 227 transition count 175
Ensure Unique test removed 1 transitions
Reduce isomorphic transitions removed 1 transitions.
Iterating post reduction 2 with 1 rules applied. Total rules applied 72 place count 227 transition count 174
Applied a total of 72 rules in 23 ms. Remains 227 /257 variables (removed 30) and now considering 174/216 (removed 42) transitions.
Finished structural reductions in LTL mode , in 1 iterations and 23 ms. Remains : 227/257 places, 174/216 transitions.
[2023-03-09 15:49:29] [INFO ] Flatten gal took : 8 ms
[2023-03-09 15:49:29] [INFO ] Flatten gal took : 8 ms
[2023-03-09 15:49:29] [INFO ] Input system was already deterministic with 174 transitions.
Starting structural reductions in LTL mode, iteration 0 : 257/257 places, 216/216 transitions.
Discarding 18 places :
Symmetric choice reduction at 0 with 18 rule applications. Total rules 18 place count 239 transition count 198
Iterating global reduction 0 with 18 rules applied. Total rules applied 36 place count 239 transition count 198
Ensure Unique test removed 3 transitions
Reduce isomorphic transitions removed 3 transitions.
Iterating post reduction 0 with 3 rules applied. Total rules applied 39 place count 239 transition count 195
Discarding 6 places :
Symmetric choice reduction at 1 with 6 rule applications. Total rules 45 place count 233 transition count 189
Iterating global reduction 1 with 6 rules applied. Total rules applied 51 place count 233 transition count 189
Ensure Unique test removed 5 transitions
Reduce isomorphic transitions removed 5 transitions.
Iterating post reduction 1 with 5 rules applied. Total rules applied 56 place count 233 transition count 184
Discarding 1 places :
Symmetric choice reduction at 2 with 1 rule applications. Total rules 57 place count 232 transition count 183
Iterating global reduction 2 with 1 rules applied. Total rules applied 58 place count 232 transition count 183
Ensure Unique test removed 1 transitions
Reduce isomorphic transitions removed 1 transitions.
Iterating post reduction 2 with 1 rules applied. Total rules applied 59 place count 232 transition count 182
Applied a total of 59 rules in 22 ms. Remains 232 /257 variables (removed 25) and now considering 182/216 (removed 34) transitions.
Finished structural reductions in LTL mode , in 1 iterations and 22 ms. Remains : 232/257 places, 182/216 transitions.
[2023-03-09 15:49:29] [INFO ] Flatten gal took : 7 ms
[2023-03-09 15:49:29] [INFO ] Flatten gal took : 7 ms
[2023-03-09 15:49:29] [INFO ] Input system was already deterministic with 182 transitions.
Starting structural reductions in LTL mode, iteration 0 : 257/257 places, 216/216 transitions.
Discarding 19 places :
Symmetric choice reduction at 0 with 19 rule applications. Total rules 19 place count 238 transition count 197
Iterating global reduction 0 with 19 rules applied. Total rules applied 38 place count 238 transition count 197
Ensure Unique test removed 3 transitions
Reduce isomorphic transitions removed 3 transitions.
Iterating post reduction 0 with 3 rules applied. Total rules applied 41 place count 238 transition count 194
Discarding 9 places :
Symmetric choice reduction at 1 with 9 rule applications. Total rules 50 place count 229 transition count 185
Iterating global reduction 1 with 9 rules applied. Total rules applied 59 place count 229 transition count 185
Ensure Unique test removed 8 transitions
Reduce isomorphic transitions removed 8 transitions.
Iterating post reduction 1 with 8 rules applied. Total rules applied 67 place count 229 transition count 177
Discarding 1 places :
Symmetric choice reduction at 2 with 1 rule applications. Total rules 68 place count 228 transition count 176
Iterating global reduction 2 with 1 rules applied. Total rules applied 69 place count 228 transition count 176
Ensure Unique test removed 1 transitions
Reduce isomorphic transitions removed 1 transitions.
Iterating post reduction 2 with 1 rules applied. Total rules applied 70 place count 228 transition count 175
Applied a total of 70 rules in 20 ms. Remains 228 /257 variables (removed 29) and now considering 175/216 (removed 41) transitions.
Finished structural reductions in LTL mode , in 1 iterations and 20 ms. Remains : 228/257 places, 175/216 transitions.
[2023-03-09 15:49:29] [INFO ] Flatten gal took : 7 ms
[2023-03-09 15:49:29] [INFO ] Flatten gal took : 7 ms
[2023-03-09 15:49:29] [INFO ] Input system was already deterministic with 175 transitions.
Starting structural reductions in SI_CTL mode, iteration 0 : 257/257 places, 216/216 transitions.
Graph (complete) has 465 edges and 257 vertex of which 254 are kept as prefixes of interest. Removing 3 places using SCC suffix rule.1 ms
Discarding 3 places :
Also discarding 3 output transitions
Drop transitions removed 3 transitions
Reduce places removed 1 places and 1 transitions.
Drop transitions removed 22 transitions
Trivial Post-agglo rules discarded 22 transitions
Performed 22 trivial Post agglomeration. Transition count delta: 22
Iterating post reduction 0 with 22 rules applied. Total rules applied 23 place count 253 transition count 190
Reduce places removed 22 places and 0 transitions.
Iterating post reduction 1 with 22 rules applied. Total rules applied 45 place count 231 transition count 190
Performed 10 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 2 with 10 Pre rules applied. Total rules applied 45 place count 231 transition count 180
Deduced a syphon composed of 10 places in 0 ms
Reduce places removed 10 places and 0 transitions.
Iterating global reduction 2 with 20 rules applied. Total rules applied 65 place count 221 transition count 180
Discarding 14 places :
Symmetric choice reduction at 2 with 14 rule applications. Total rules 79 place count 207 transition count 166
Iterating global reduction 2 with 14 rules applied. Total rules applied 93 place count 207 transition count 166
Ensure Unique test removed 3 transitions
Reduce isomorphic transitions removed 3 transitions.
Iterating post reduction 2 with 3 rules applied. Total rules applied 96 place count 207 transition count 163
Discarding 9 places :
Symmetric choice reduction at 3 with 9 rule applications. Total rules 105 place count 198 transition count 154
Iterating global reduction 3 with 9 rules applied. Total rules applied 114 place count 198 transition count 154
Ensure Unique test removed 8 transitions
Reduce isomorphic transitions removed 8 transitions.
Drop transitions removed 1 transitions
Trivial Post-agglo rules discarded 1 transitions
Performed 1 trivial Post agglomeration. Transition count delta: 1
Iterating post reduction 3 with 9 rules applied. Total rules applied 123 place count 198 transition count 145
Reduce places removed 1 places and 0 transitions.
Ensure Unique test removed 1 transitions
Reduce isomorphic transitions removed 1 transitions.
Iterating post reduction 4 with 2 rules applied. Total rules applied 125 place count 197 transition count 144
Performed 3 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 5 with 3 Pre rules applied. Total rules applied 125 place count 197 transition count 141
Deduced a syphon composed of 3 places in 0 ms
Reduce places removed 3 places and 0 transitions.
Iterating global reduction 5 with 6 rules applied. Total rules applied 131 place count 194 transition count 141
Performed 66 Post agglomeration using F-continuation condition.Transition count delta: 66
Deduced a syphon composed of 66 places in 0 ms
Reduce places removed 66 places and 0 transitions.
Iterating global reduction 5 with 132 rules applied. Total rules applied 263 place count 128 transition count 75
Reduce places removed 2 places and 2 transitions.
Iterating global reduction 5 with 2 rules applied. Total rules applied 265 place count 126 transition count 73
Reduce places removed 1 places and 0 transitions.
Drop transitions removed 1 transitions
Trivial Post-agglo rules discarded 1 transitions
Performed 1 trivial Post agglomeration. Transition count delta: 1
Iterating post reduction 5 with 2 rules applied. Total rules applied 267 place count 125 transition count 72
Reduce places removed 1 places and 0 transitions.
Iterating post reduction 6 with 1 rules applied. Total rules applied 268 place count 124 transition count 72
Applied a total of 268 rules in 41 ms. Remains 124 /257 variables (removed 133) and now considering 72/216 (removed 144) transitions.
Finished structural reductions in SI_CTL mode , in 1 iterations and 41 ms. Remains : 124/257 places, 72/216 transitions.
[2023-03-09 15:49:29] [INFO ] Flatten gal took : 4 ms
[2023-03-09 15:49:29] [INFO ] Flatten gal took : 4 ms
[2023-03-09 15:49:29] [INFO ] Input system was already deterministic with 72 transitions.
Starting structural reductions in LTL mode, iteration 0 : 257/257 places, 216/216 transitions.
Discarding 20 places :
Symmetric choice reduction at 0 with 20 rule applications. Total rules 20 place count 237 transition count 196
Iterating global reduction 0 with 20 rules applied. Total rules applied 40 place count 237 transition count 196
Ensure Unique test removed 2 transitions
Reduce isomorphic transitions removed 2 transitions.
Iterating post reduction 0 with 2 rules applied. Total rules applied 42 place count 237 transition count 194
Discarding 9 places :
Symmetric choice reduction at 1 with 9 rule applications. Total rules 51 place count 228 transition count 185
Iterating global reduction 1 with 9 rules applied. Total rules applied 60 place count 228 transition count 185
Ensure Unique test removed 8 transitions
Reduce isomorphic transitions removed 8 transitions.
Iterating post reduction 1 with 8 rules applied. Total rules applied 68 place count 228 transition count 177
Discarding 1 places :
Symmetric choice reduction at 2 with 1 rule applications. Total rules 69 place count 227 transition count 176
Iterating global reduction 2 with 1 rules applied. Total rules applied 70 place count 227 transition count 176
Ensure Unique test removed 1 transitions
Reduce isomorphic transitions removed 1 transitions.
Iterating post reduction 2 with 1 rules applied. Total rules applied 71 place count 227 transition count 175
Applied a total of 71 rules in 19 ms. Remains 227 /257 variables (removed 30) and now considering 175/216 (removed 41) transitions.
Finished structural reductions in LTL mode , in 1 iterations and 19 ms. Remains : 227/257 places, 175/216 transitions.
[2023-03-09 15:49:29] [INFO ] Flatten gal took : 7 ms
[2023-03-09 15:49:29] [INFO ] Flatten gal took : 7 ms
[2023-03-09 15:49:29] [INFO ] Input system was already deterministic with 175 transitions.
Starting structural reductions in LTL mode, iteration 0 : 257/257 places, 216/216 transitions.
Discarding 17 places :
Symmetric choice reduction at 0 with 17 rule applications. Total rules 17 place count 240 transition count 199
Iterating global reduction 0 with 17 rules applied. Total rules applied 34 place count 240 transition count 199
Ensure Unique test removed 3 transitions
Reduce isomorphic transitions removed 3 transitions.
Iterating post reduction 0 with 3 rules applied. Total rules applied 37 place count 240 transition count 196
Discarding 7 places :
Symmetric choice reduction at 1 with 7 rule applications. Total rules 44 place count 233 transition count 189
Iterating global reduction 1 with 7 rules applied. Total rules applied 51 place count 233 transition count 189
Ensure Unique test removed 7 transitions
Reduce isomorphic transitions removed 7 transitions.
Iterating post reduction 1 with 7 rules applied. Total rules applied 58 place count 233 transition count 182
Discarding 1 places :
Symmetric choice reduction at 2 with 1 rule applications. Total rules 59 place count 232 transition count 181
Iterating global reduction 2 with 1 rules applied. Total rules applied 60 place count 232 transition count 181
Ensure Unique test removed 1 transitions
Reduce isomorphic transitions removed 1 transitions.
Iterating post reduction 2 with 1 rules applied. Total rules applied 61 place count 232 transition count 180
Applied a total of 61 rules in 19 ms. Remains 232 /257 variables (removed 25) and now considering 180/216 (removed 36) transitions.
Finished structural reductions in LTL mode , in 1 iterations and 19 ms. Remains : 232/257 places, 180/216 transitions.
[2023-03-09 15:49:29] [INFO ] Flatten gal took : 6 ms
[2023-03-09 15:49:29] [INFO ] Flatten gal took : 6 ms
[2023-03-09 15:49:29] [INFO ] Input system was already deterministic with 180 transitions.
Starting structural reductions in LTL mode, iteration 0 : 257/257 places, 216/216 transitions.
Discarding 17 places :
Symmetric choice reduction at 0 with 17 rule applications. Total rules 17 place count 240 transition count 199
Iterating global reduction 0 with 17 rules applied. Total rules applied 34 place count 240 transition count 199
Ensure Unique test removed 2 transitions
Reduce isomorphic transitions removed 2 transitions.
Iterating post reduction 0 with 2 rules applied. Total rules applied 36 place count 240 transition count 197
Discarding 8 places :
Symmetric choice reduction at 1 with 8 rule applications. Total rules 44 place count 232 transition count 189
Iterating global reduction 1 with 8 rules applied. Total rules applied 52 place count 232 transition count 189
Ensure Unique test removed 7 transitions
Reduce isomorphic transitions removed 7 transitions.
Iterating post reduction 1 with 7 rules applied. Total rules applied 59 place count 232 transition count 182
Discarding 1 places :
Symmetric choice reduction at 2 with 1 rule applications. Total rules 60 place count 231 transition count 181
Iterating global reduction 2 with 1 rules applied. Total rules applied 61 place count 231 transition count 181
Ensure Unique test removed 1 transitions
Reduce isomorphic transitions removed 1 transitions.
Iterating post reduction 2 with 1 rules applied. Total rules applied 62 place count 231 transition count 180
Applied a total of 62 rules in 19 ms. Remains 231 /257 variables (removed 26) and now considering 180/216 (removed 36) transitions.
Finished structural reductions in LTL mode , in 1 iterations and 19 ms. Remains : 231/257 places, 180/216 transitions.
[2023-03-09 15:49:29] [INFO ] Flatten gal took : 6 ms
[2023-03-09 15:49:29] [INFO ] Flatten gal took : 6 ms
[2023-03-09 15:49:29] [INFO ] Input system was already deterministic with 180 transitions.
Starting structural reductions in LTL mode, iteration 0 : 257/257 places, 216/216 transitions.
Discarding 17 places :
Symmetric choice reduction at 0 with 17 rule applications. Total rules 17 place count 240 transition count 199
Iterating global reduction 0 with 17 rules applied. Total rules applied 34 place count 240 transition count 199
Ensure Unique test removed 3 transitions
Reduce isomorphic transitions removed 3 transitions.
Iterating post reduction 0 with 3 rules applied. Total rules applied 37 place count 240 transition count 196
Discarding 7 places :
Symmetric choice reduction at 1 with 7 rule applications. Total rules 44 place count 233 transition count 189
Iterating global reduction 1 with 7 rules applied. Total rules applied 51 place count 233 transition count 189
Ensure Unique test removed 7 transitions
Reduce isomorphic transitions removed 7 transitions.
Iterating post reduction 1 with 7 rules applied. Total rules applied 58 place count 233 transition count 182
Applied a total of 58 rules in 14 ms. Remains 233 /257 variables (removed 24) and now considering 182/216 (removed 34) transitions.
Finished structural reductions in LTL mode , in 1 iterations and 14 ms. Remains : 233/257 places, 182/216 transitions.
[2023-03-09 15:49:29] [INFO ] Flatten gal took : 6 ms
[2023-03-09 15:49:29] [INFO ] Flatten gal took : 6 ms
[2023-03-09 15:49:29] [INFO ] Input system was already deterministic with 182 transitions.
Starting structural reductions in LTL mode, iteration 0 : 257/257 places, 216/216 transitions.
Discarding 20 places :
Symmetric choice reduction at 0 with 20 rule applications. Total rules 20 place count 237 transition count 196
Iterating global reduction 0 with 20 rules applied. Total rules applied 40 place count 237 transition count 196
Ensure Unique test removed 2 transitions
Reduce isomorphic transitions removed 2 transitions.
Iterating post reduction 0 with 2 rules applied. Total rules applied 42 place count 237 transition count 194
Discarding 7 places :
Symmetric choice reduction at 1 with 7 rule applications. Total rules 49 place count 230 transition count 187
Iterating global reduction 1 with 7 rules applied. Total rules applied 56 place count 230 transition count 187
Ensure Unique test removed 6 transitions
Reduce isomorphic transitions removed 6 transitions.
Iterating post reduction 1 with 6 rules applied. Total rules applied 62 place count 230 transition count 181
Applied a total of 62 rules in 13 ms. Remains 230 /257 variables (removed 27) and now considering 181/216 (removed 35) transitions.
Finished structural reductions in LTL mode , in 1 iterations and 13 ms. Remains : 230/257 places, 181/216 transitions.
[2023-03-09 15:49:29] [INFO ] Flatten gal took : 5 ms
[2023-03-09 15:49:29] [INFO ] Flatten gal took : 6 ms
[2023-03-09 15:49:29] [INFO ] Input system was already deterministic with 181 transitions.
Starting structural reductions in LTL mode, iteration 0 : 257/257 places, 216/216 transitions.
Discarding 19 places :
Symmetric choice reduction at 0 with 19 rule applications. Total rules 19 place count 238 transition count 197
Iterating global reduction 0 with 19 rules applied. Total rules applied 38 place count 238 transition count 197
Ensure Unique test removed 3 transitions
Reduce isomorphic transitions removed 3 transitions.
Iterating post reduction 0 with 3 rules applied. Total rules applied 41 place count 238 transition count 194
Discarding 8 places :
Symmetric choice reduction at 1 with 8 rule applications. Total rules 49 place count 230 transition count 186
Iterating global reduction 1 with 8 rules applied. Total rules applied 57 place count 230 transition count 186
Ensure Unique test removed 7 transitions
Reduce isomorphic transitions removed 7 transitions.
Iterating post reduction 1 with 7 rules applied. Total rules applied 64 place count 230 transition count 179
Applied a total of 64 rules in 14 ms. Remains 230 /257 variables (removed 27) and now considering 179/216 (removed 37) transitions.
Finished structural reductions in LTL mode , in 1 iterations and 14 ms. Remains : 230/257 places, 179/216 transitions.
[2023-03-09 15:49:29] [INFO ] Flatten gal took : 6 ms
[2023-03-09 15:49:29] [INFO ] Flatten gal took : 6 ms
[2023-03-09 15:49:29] [INFO ] Input system was already deterministic with 179 transitions.
[2023-03-09 15:49:29] [INFO ] Flatten gal took : 8 ms
[2023-03-09 15:49:29] [INFO ] Flatten gal took : 8 ms
[2023-03-09 15:49:29] [INFO ] Export to MCC of 14 properties in file /home/mcc/execution/CTLFireability.sr.xml took 3 ms.
[2023-03-09 15:49:29] [INFO ] Export to PNML in file /home/mcc/execution/model.sr.pnml of net with 257 places, 216 transitions and 623 arcs took 1 ms.
Total runtime 3882 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: 257 NrTr: 216 NrArc: 623)
parse formulas
formulas created successfully
place and transition orderings generation:0m 0.004sec
net check time: 0m 0.000sec
init dd package: 0m 2.724sec
TIME LIMIT: Killed by timeout after 3600 seconds
MemTotal: 16393232 kB
MemFree: 9778588 kB
After kill :
MemTotal: 16393232 kB
MemFree: 16101460 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:
++ 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 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 0.000sec
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="DES-PT-00b"
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 DES-PT-00b, 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 r106-tall-167814482600354"
echo "====================================================================="
echo
echo "--------------------"
echo "preparation of the directory to be used:"
tar xzf /home/mcc/BenchKit/INPUTS/DES-PT-00b.tgz
mv DES-PT-00b 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 '
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 ;