fond
Model Checking Contest 2023
13th edition, Paris, France, April 26, 2023 (at TOOLympics II)
Execution of r426-tajo-167905978500121
Last Updated
May 14, 2023

About the Execution of Marcie+red for ShieldRVs-PT-030B

Execution Summary
Max Memory
Used (MB)
Time wait (ms) CPU Usage (ms) I/O Wait (ms) Computed Result Execution
Status
10047.888 1559822.00 1594949.00 277.30 ???????????F?T?? normal

Execution Chart

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

Trace from the execution

Formatting '/mnt/tpsp/fkordon/mcc2023-input.r426-tajo-167905978500121.qcow2', fmt=qcow2 size=4294967296 backing_file='/mnt/tpsp/fkordon/mcc2023-input.qcow2' encryption=off cluster_size=65536 lazy_refcounts=off
Waiting for the VM to be ready (probing ssh)
......................
=====================================================================
Generated by BenchKit 2-5348
Executing tool marciexred
Input is ShieldRVs-PT-030B, examination is CTLCardinality
Time confinement is 3600 seconds
Memory confinement is 16384 MBytes
Number of cores is 4
Run identifier is r426-tajo-167905978500121
=====================================================================

--------------------
preparation of the directory to be used:
/home/mcc/execution
total 780K
-rw-r--r-- 1 mcc users 5.6K Feb 26 18:27 CTLCardinality.txt
-rw-r--r-- 1 mcc users 57K Feb 26 18:27 CTLCardinality.xml
-rw-r--r-- 1 mcc users 5.4K Feb 26 18:27 CTLFireability.txt
-rw-r--r-- 1 mcc users 48K Feb 26 18:27 CTLFireability.xml
-rw-r--r-- 1 mcc users 4.2K Jan 29 11:41 GenericPropertiesDefinition.xml
-rw-r--r-- 1 mcc users 6.5K Jan 29 11:41 GenericPropertiesVerdict.xml
-rw-r--r-- 1 mcc users 3.4K Feb 25 17:02 LTLCardinality.txt
-rw-r--r-- 1 mcc users 24K Feb 25 17:02 LTLCardinality.xml
-rw-r--r-- 1 mcc users 2.3K Feb 25 17:02 LTLFireability.txt
-rw-r--r-- 1 mcc users 17K Feb 25 17:02 LTLFireability.xml
-rw-r--r-- 1 mcc users 11K Feb 26 18:28 ReachabilityCardinality.txt
-rw-r--r-- 1 mcc users 108K Feb 26 18:28 ReachabilityCardinality.xml
-rw-r--r-- 1 mcc users 7.9K Feb 26 18:27 ReachabilityFireability.txt
-rw-r--r-- 1 mcc users 66K Feb 26 18:27 ReachabilityFireability.xml
-rw-r--r-- 1 mcc users 1.6K Feb 25 17:02 UpperBounds.txt
-rw-r--r-- 1 mcc users 3.7K Feb 25 17:02 UpperBounds.xml
-rw-r--r-- 1 mcc users 6 Mar 5 18:23 equiv_col
-rw-r--r-- 1 mcc users 5 Mar 5 18:23 instance
-rw-r--r-- 1 mcc users 6 Mar 5 18:23 iscolored
-rw-r--r-- 1 mcc users 370K 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 ShieldRVs-PT-030B-CTLCardinality-00
FORMULA_NAME ShieldRVs-PT-030B-CTLCardinality-01
FORMULA_NAME ShieldRVs-PT-030B-CTLCardinality-02
FORMULA_NAME ShieldRVs-PT-030B-CTLCardinality-03
FORMULA_NAME ShieldRVs-PT-030B-CTLCardinality-04
FORMULA_NAME ShieldRVs-PT-030B-CTLCardinality-05
FORMULA_NAME ShieldRVs-PT-030B-CTLCardinality-06
FORMULA_NAME ShieldRVs-PT-030B-CTLCardinality-07
FORMULA_NAME ShieldRVs-PT-030B-CTLCardinality-08
FORMULA_NAME ShieldRVs-PT-030B-CTLCardinality-09
FORMULA_NAME ShieldRVs-PT-030B-CTLCardinality-10
FORMULA_NAME ShieldRVs-PT-030B-CTLCardinality-11
FORMULA_NAME ShieldRVs-PT-030B-CTLCardinality-12
FORMULA_NAME ShieldRVs-PT-030B-CTLCardinality-13
FORMULA_NAME ShieldRVs-PT-030B-CTLCardinality-14
FORMULA_NAME ShieldRVs-PT-030B-CTLCardinality-15

=== Now, execution of the tool begins

BK_START 1679342102340

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=CTLCardinality
BK_BIN_PATH=/home/mcc/BenchKit/bin/
BK_TIME_CONFINEMENT=3600
BK_INPUT=ShieldRVs-PT-030B
Applying reductions before tool marcie
Invoking reducer
Running Version 202303021504
[2023-03-20 19:55:04] [INFO ] Running its-tools with arguments : [-pnfolder, /home/mcc/execution, -examination, CTLCardinality, -timeout, 360, -rebuildPNML]
[2023-03-20 19:55:04] [INFO ] Parsing pnml file : /home/mcc/execution/model.pnml
[2023-03-20 19:55:04] [INFO ] Load time of PNML (sax parser for PT used): 123 ms
[2023-03-20 19:55:04] [INFO ] Transformed 1203 places.
[2023-03-20 19:55:04] [INFO ] Transformed 1353 transitions.
[2023-03-20 19:55:04] [INFO ] Found NUPN structural information;
[2023-03-20 19:55:04] [INFO ] Parsed PT model containing 1203 places and 1353 transitions and 4320 arcs in 236 ms.
Parsed 16 properties from file /home/mcc/execution/CTLCardinality.xml in 17 ms.
Support contains 74 out of 1203 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 1203/1203 places, 1353/1353 transitions.
Discarding 186 places :
Symmetric choice reduction at 0 with 186 rule applications. Total rules 186 place count 1017 transition count 1167
Iterating global reduction 0 with 186 rules applied. Total rules applied 372 place count 1017 transition count 1167
Discarding 1 places :
Symmetric choice reduction at 0 with 1 rule applications. Total rules 373 place count 1016 transition count 1166
Iterating global reduction 0 with 1 rules applied. Total rules applied 374 place count 1016 transition count 1166
Applied a total of 374 rules in 175 ms. Remains 1016 /1203 variables (removed 187) and now considering 1166/1353 (removed 187) transitions.
// Phase 1: matrix 1166 rows 1016 cols
[2023-03-20 19:55:04] [INFO ] Computed 121 place invariants in 34 ms
[2023-03-20 19:55:05] [INFO ] Implicit Places using invariants in 438 ms returned []
[2023-03-20 19:55:05] [INFO ] Invariant cache hit.
[2023-03-20 19:55:05] [INFO ] Implicit Places using invariants and state equation in 856 ms returned []
Implicit Place search using SMT with State Equation took 1318 ms to find 0 implicit places.
[2023-03-20 19:55:05] [INFO ] Invariant cache hit.
[2023-03-20 19:55:06] [INFO ] Dead Transitions using invariants and state equation in 527 ms found 0 transitions.
Starting structural reductions in LTL mode, iteration 1 : 1016/1203 places, 1166/1353 transitions.
Finished structural reductions in LTL mode , in 1 iterations and 2023 ms. Remains : 1016/1203 places, 1166/1353 transitions.
Support contains 74 out of 1016 places after structural reductions.
[2023-03-20 19:55:06] [INFO ] Initial state reduction rules for CTL removed 1 formulas.
[2023-03-20 19:55:06] [INFO ] Flatten gal took : 111 ms
FORMULA ShieldRVs-PT-030B-CTLCardinality-11 FALSE TECHNIQUES TOPOLOGICAL INITIAL_STATE
[2023-03-20 19:55:06] [INFO ] Flatten gal took : 64 ms
[2023-03-20 19:55:06] [INFO ] Input system was already deterministic with 1166 transitions.
Support contains 70 out of 1016 places (down from 74) after GAL structural reductions.
Incomplete random walk after 10000 steps, including 7 resets, run finished after 404 ms. (steps per millisecond=24 ) properties (out of 41) seen :38
Incomplete Best-First random walk after 10001 steps, including 2 resets, run finished after 21 ms. (steps per millisecond=476 ) properties (out of 3) seen :0
Incomplete Best-First random walk after 10001 steps, including 2 resets, run finished after 19 ms. (steps per millisecond=526 ) properties (out of 3) seen :0
Incomplete Best-First random walk after 10001 steps, including 2 resets, run finished after 25 ms. (steps per millisecond=400 ) properties (out of 3) seen :0
Running SMT prover for 3 properties.
[2023-03-20 19:55:07] [INFO ] Invariant cache hit.
[2023-03-20 19:55:07] [INFO ] After 204ms SMT Verify possible using all constraints in real domain returned unsat :0 sat :0 real:3
[2023-03-20 19:55:07] [INFO ] [Nat]Absence check using 121 positive place invariants in 34 ms returned sat
[2023-03-20 19:55:08] [INFO ] After 657ms SMT Verify possible using state equation in natural domain returned unsat :0 sat :3
[2023-03-20 19:55:08] [INFO ] Deduced a trap composed of 18 places in 286 ms of which 5 ms to minimize.
[2023-03-20 19:55:09] [INFO ] Deduced a trap composed of 73 places in 237 ms of which 1 ms to minimize.
[2023-03-20 19:55:09] [INFO ] Deduced a trap composed of 52 places in 177 ms of which 1 ms to minimize.
[2023-03-20 19:55:09] [INFO ] Deduced a trap composed of 48 places in 238 ms of which 2 ms to minimize.
[2023-03-20 19:55:09] [INFO ] Deduced a trap composed of 46 places in 220 ms of which 2 ms to minimize.
[2023-03-20 19:55:10] [INFO ] Deduced a trap composed of 25 places in 202 ms of which 0 ms to minimize.
[2023-03-20 19:55:10] [INFO ] Deduced a trap composed of 51 places in 196 ms of which 1 ms to minimize.
[2023-03-20 19:55:10] [INFO ] Deduced a trap composed of 31 places in 190 ms of which 1 ms to minimize.
[2023-03-20 19:55:10] [INFO ] Deduced a trap composed of 53 places in 200 ms of which 0 ms to minimize.
[2023-03-20 19:55:11] [INFO ] Deduced a trap composed of 77 places in 194 ms of which 1 ms to minimize.
[2023-03-20 19:55:11] [INFO ] Deduced a trap composed of 59 places in 183 ms of which 1 ms to minimize.
[2023-03-20 19:55:11] [INFO ] Deduced a trap composed of 61 places in 215 ms of which 1 ms to minimize.
[2023-03-20 19:55:11] [INFO ] Deduced a trap composed of 92 places in 226 ms of which 0 ms to minimize.
[2023-03-20 19:55:12] [INFO ] Deduced a trap composed of 66 places in 218 ms of which 1 ms to minimize.
[2023-03-20 19:55:12] [INFO ] Deduced a trap composed of 74 places in 238 ms of which 1 ms to minimize.
[2023-03-20 19:55:12] [INFO ] Deduced a trap composed of 40 places in 201 ms of which 1 ms to minimize.
[2023-03-20 19:55:12] [INFO ] Deduced a trap composed of 65 places in 213 ms of which 0 ms to minimize.
[2023-03-20 19:55:13] [INFO ] Deduced a trap composed of 91 places in 227 ms of which 1 ms to minimize.
[2023-03-20 19:55:13] [INFO ] Deduced a trap composed of 73 places in 231 ms of which 1 ms to minimize.
[2023-03-20 19:55:13] [INFO ] Deduced a trap composed of 50 places in 215 ms of which 0 ms to minimize.
[2023-03-20 19:55:14] [INFO ] Deduced a trap composed of 102 places in 182 ms of which 1 ms to minimize.
[2023-03-20 19:55:14] [INFO ] Deduced a trap composed of 79 places in 239 ms of which 1 ms to minimize.
[2023-03-20 19:55:14] [INFO ] Deduced a trap composed of 76 places in 235 ms of which 1 ms to minimize.
[2023-03-20 19:55:14] [INFO ] Deduced a trap composed of 95 places in 205 ms of which 1 ms to minimize.
[2023-03-20 19:55:15] [INFO ] Deduced a trap composed of 62 places in 141 ms of which 1 ms to minimize.
[2023-03-20 19:55:15] [INFO ] Deduced a trap composed of 67 places in 134 ms of which 0 ms to minimize.
[2023-03-20 19:55:15] [INFO ] Deduced a trap composed of 61 places in 127 ms of which 0 ms to minimize.
[2023-03-20 19:55:15] [INFO ] Trap strengthening (SAT) tested/added 28/27 trap constraints in 6847 ms
[2023-03-20 19:55:15] [INFO ] Deduced a trap composed of 30 places in 204 ms of which 1 ms to minimize.
[2023-03-20 19:55:15] [INFO ] Deduced a trap composed of 30 places in 199 ms of which 0 ms to minimize.
[2023-03-20 19:55:16] [INFO ] Deduced a trap composed of 24 places in 185 ms of which 1 ms to minimize.
[2023-03-20 19:55:16] [INFO ] Deduced a trap composed of 26 places in 132 ms of which 0 ms to minimize.
[2023-03-20 19:55:16] [INFO ] Deduced a trap composed of 27 places in 129 ms of which 1 ms to minimize.
[2023-03-20 19:55:16] [INFO ] Deduced a trap composed of 20 places in 130 ms of which 0 ms to minimize.
[2023-03-20 19:55:16] [INFO ] Deduced a trap composed of 44 places in 134 ms of which 4 ms to minimize.
[2023-03-20 19:55:17] [INFO ] Deduced a trap composed of 51 places in 194 ms of which 1 ms to minimize.
[2023-03-20 19:55:17] [INFO ] Deduced a trap composed of 64 places in 161 ms of which 1 ms to minimize.
[2023-03-20 19:55:17] [INFO ] Deduced a trap composed of 50 places in 123 ms of which 1 ms to minimize.
[2023-03-20 19:55:17] [INFO ] Deduced a trap composed of 37 places in 121 ms of which 1 ms to minimize.
[2023-03-20 19:55:17] [INFO ] Deduced a trap composed of 60 places in 178 ms of which 0 ms to minimize.
[2023-03-20 19:55:17] [INFO ] Trap strengthening (SAT) tested/added 13/12 trap constraints in 2334 ms
[2023-03-20 19:55:18] [INFO ] Deduced a trap composed of 28 places in 152 ms of which 1 ms to minimize.
[2023-03-20 19:55:18] [INFO ] Deduced a trap composed of 28 places in 153 ms of which 0 ms to minimize.
[2023-03-20 19:55:18] [INFO ] Deduced a trap composed of 43 places in 172 ms of which 1 ms to minimize.
[2023-03-20 19:55:18] [INFO ] Deduced a trap composed of 62 places in 196 ms of which 1 ms to minimize.
[2023-03-20 19:55:18] [INFO ] Deduced a trap composed of 56 places in 181 ms of which 1 ms to minimize.
[2023-03-20 19:55:19] [INFO ] Deduced a trap composed of 91 places in 184 ms of which 1 ms to minimize.
[2023-03-20 19:55:19] [INFO ] Trap strengthening (SAT) tested/added 7/6 trap constraints in 1400 ms
[2023-03-20 19:55:19] [INFO ] After 11360ms SMT Verify possible using trap constraints in natural domain returned unsat :0 sat :3
Attempting to minimize the solution found.
Minimization took 114 ms.
[2023-03-20 19:55:19] [INFO ] After 11764ms SMT Verify possible using all constraints in natural domain returned unsat :0 sat :3
Parikh walk visited 1 properties in 72 ms.
Support contains 5 out of 1016 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 1016/1016 places, 1166/1166 transitions.
Drop transitions removed 119 transitions
Trivial Post-agglo rules discarded 119 transitions
Performed 119 trivial Post agglomeration. Transition count delta: 119
Iterating post reduction 0 with 119 rules applied. Total rules applied 119 place count 1016 transition count 1047
Reduce places removed 119 places and 0 transitions.
Iterating post reduction 1 with 119 rules applied. Total rules applied 238 place count 897 transition count 1047
Performed 149 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 2 with 149 Pre rules applied. Total rules applied 238 place count 897 transition count 898
Deduced a syphon composed of 149 places in 2 ms
Reduce places removed 149 places and 0 transitions.
Iterating global reduction 2 with 298 rules applied. Total rules applied 536 place count 748 transition count 898
Discarding 22 places :
Symmetric choice reduction at 2 with 22 rule applications. Total rules 558 place count 726 transition count 876
Iterating global reduction 2 with 22 rules applied. Total rules applied 580 place count 726 transition count 876
Performed 8 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 2 with 8 Pre rules applied. Total rules applied 580 place count 726 transition count 868
Deduced a syphon composed of 8 places in 14 ms
Reduce places removed 8 places and 0 transitions.
Iterating global reduction 2 with 16 rules applied. Total rules applied 596 place count 718 transition count 868
Performed 290 Post agglomeration using F-continuation condition.Transition count delta: 290
Deduced a syphon composed of 290 places in 2 ms
Reduce places removed 290 places and 0 transitions.
Iterating global reduction 2 with 580 rules applied. Total rules applied 1176 place count 428 transition count 578
Renaming transitions due to excessive name length > 1024 char.
Partial Free-agglomeration rule applied 62 times.
Drop transitions removed 62 transitions
Iterating global reduction 2 with 62 rules applied. Total rules applied 1238 place count 428 transition count 578
Reduce places removed 1 places and 1 transitions.
Iterating global reduction 2 with 1 rules applied. Total rules applied 1239 place count 427 transition count 577
Applied a total of 1239 rules in 289 ms. Remains 427 /1016 variables (removed 589) and now considering 577/1166 (removed 589) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 290 ms. Remains : 427/1016 places, 577/1166 transitions.
Finished random walk after 5112 steps, including 13 resets, run visited all 2 properties in 45 ms. (steps per millisecond=113 )
[2023-03-20 19:55:19] [INFO ] Flatten gal took : 58 ms
[2023-03-20 19:55:20] [INFO ] Flatten gal took : 65 ms
[2023-03-20 19:55:20] [INFO ] Input system was already deterministic with 1166 transitions.
Computed a total of 251 stabilizing places and 251 stable transitions
Starting structural reductions in LTL mode, iteration 0 : 1016/1016 places, 1166/1166 transitions.
Discarding 22 places :
Symmetric choice reduction at 0 with 22 rule applications. Total rules 22 place count 994 transition count 1144
Iterating global reduction 0 with 22 rules applied. Total rules applied 44 place count 994 transition count 1144
Applied a total of 44 rules in 108 ms. Remains 994 /1016 variables (removed 22) and now considering 1144/1166 (removed 22) transitions.
Finished structural reductions in LTL mode , in 1 iterations and 109 ms. Remains : 994/1016 places, 1144/1166 transitions.
[2023-03-20 19:55:20] [INFO ] Flatten gal took : 42 ms
[2023-03-20 19:55:20] [INFO ] Flatten gal took : 44 ms
[2023-03-20 19:55:20] [INFO ] Input system was already deterministic with 1144 transitions.
Starting structural reductions in SI_CTL mode, iteration 0 : 1016/1016 places, 1166/1166 transitions.
Reduce places removed 1 places and 1 transitions.
Drop transitions removed 120 transitions
Trivial Post-agglo rules discarded 120 transitions
Performed 120 trivial Post agglomeration. Transition count delta: 120
Iterating post reduction 0 with 120 rules applied. Total rules applied 120 place count 1015 transition count 1045
Reduce places removed 120 places and 0 transitions.
Iterating post reduction 1 with 120 rules applied. Total rules applied 240 place count 895 transition count 1045
Performed 148 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 2 with 148 Pre rules applied. Total rules applied 240 place count 895 transition count 897
Deduced a syphon composed of 148 places in 2 ms
Reduce places removed 148 places and 0 transitions.
Iterating global reduction 2 with 296 rules applied. Total rules applied 536 place count 747 transition count 897
Discarding 22 places :
Symmetric choice reduction at 2 with 22 rule applications. Total rules 558 place count 725 transition count 875
Iterating global reduction 2 with 22 rules applied. Total rules applied 580 place count 725 transition count 875
Performed 9 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 2 with 9 Pre rules applied. Total rules applied 580 place count 725 transition count 866
Deduced a syphon composed of 9 places in 2 ms
Reduce places removed 9 places and 0 transitions.
Iterating global reduction 2 with 18 rules applied. Total rules applied 598 place count 716 transition count 866
Performed 287 Post agglomeration using F-continuation condition.Transition count delta: 287
Deduced a syphon composed of 287 places in 1 ms
Reduce places removed 287 places and 0 transitions.
Iterating global reduction 2 with 574 rules applied. Total rules applied 1172 place count 429 transition count 579
Renaming transitions due to excessive name length > 1024 char.
Reduce places removed 2 places and 2 transitions.
Iterating global reduction 2 with 2 rules applied. Total rules applied 1174 place count 427 transition count 577
Applied a total of 1174 rules in 161 ms. Remains 427 /1016 variables (removed 589) and now considering 577/1166 (removed 589) transitions.
Finished structural reductions in SI_CTL mode , in 1 iterations and 163 ms. Remains : 427/1016 places, 577/1166 transitions.
[2023-03-20 19:55:20] [INFO ] Flatten gal took : 23 ms
[2023-03-20 19:55:20] [INFO ] Flatten gal took : 24 ms
[2023-03-20 19:55:20] [INFO ] Input system was already deterministic with 577 transitions.
Starting structural reductions in LTL mode, iteration 0 : 1016/1016 places, 1166/1166 transitions.
Discarding 24 places :
Symmetric choice reduction at 0 with 24 rule applications. Total rules 24 place count 992 transition count 1142
Iterating global reduction 0 with 24 rules applied. Total rules applied 48 place count 992 transition count 1142
Applied a total of 48 rules in 54 ms. Remains 992 /1016 variables (removed 24) and now considering 1142/1166 (removed 24) transitions.
Finished structural reductions in LTL mode , in 1 iterations and 54 ms. Remains : 992/1016 places, 1142/1166 transitions.
[2023-03-20 19:55:20] [INFO ] Flatten gal took : 41 ms
[2023-03-20 19:55:20] [INFO ] Flatten gal took : 38 ms
[2023-03-20 19:55:20] [INFO ] Input system was already deterministic with 1142 transitions.
Starting structural reductions in LTL mode, iteration 0 : 1016/1016 places, 1166/1166 transitions.
Discarding 24 places :
Symmetric choice reduction at 0 with 24 rule applications. Total rules 24 place count 992 transition count 1142
Iterating global reduction 0 with 24 rules applied. Total rules applied 48 place count 992 transition count 1142
Applied a total of 48 rules in 53 ms. Remains 992 /1016 variables (removed 24) and now considering 1142/1166 (removed 24) transitions.
Finished structural reductions in LTL mode , in 1 iterations and 54 ms. Remains : 992/1016 places, 1142/1166 transitions.
[2023-03-20 19:55:21] [INFO ] Flatten gal took : 33 ms
[2023-03-20 19:55:21] [INFO ] Flatten gal took : 34 ms
[2023-03-20 19:55:21] [INFO ] Input system was already deterministic with 1142 transitions.
Starting structural reductions in LTL mode, iteration 0 : 1016/1016 places, 1166/1166 transitions.
Discarding 22 places :
Symmetric choice reduction at 0 with 22 rule applications. Total rules 22 place count 994 transition count 1144
Iterating global reduction 0 with 22 rules applied. Total rules applied 44 place count 994 transition count 1144
Applied a total of 44 rules in 42 ms. Remains 994 /1016 variables (removed 22) and now considering 1144/1166 (removed 22) transitions.
Finished structural reductions in LTL mode , in 1 iterations and 43 ms. Remains : 994/1016 places, 1144/1166 transitions.
[2023-03-20 19:55:21] [INFO ] Flatten gal took : 31 ms
[2023-03-20 19:55:21] [INFO ] Flatten gal took : 34 ms
[2023-03-20 19:55:21] [INFO ] Input system was already deterministic with 1144 transitions.
Starting structural reductions in SI_CTL mode, iteration 0 : 1016/1016 places, 1166/1166 transitions.
Reduce places removed 1 places and 1 transitions.
Drop transitions removed 120 transitions
Trivial Post-agglo rules discarded 120 transitions
Performed 120 trivial Post agglomeration. Transition count delta: 120
Iterating post reduction 0 with 120 rules applied. Total rules applied 120 place count 1015 transition count 1045
Reduce places removed 120 places and 0 transitions.
Iterating post reduction 1 with 120 rules applied. Total rules applied 240 place count 895 transition count 1045
Performed 150 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 2 with 150 Pre rules applied. Total rules applied 240 place count 895 transition count 895
Deduced a syphon composed of 150 places in 2 ms
Reduce places removed 150 places and 0 transitions.
Iterating global reduction 2 with 300 rules applied. Total rules applied 540 place count 745 transition count 895
Discarding 23 places :
Symmetric choice reduction at 2 with 23 rule applications. Total rules 563 place count 722 transition count 872
Iterating global reduction 2 with 23 rules applied. Total rules applied 586 place count 722 transition count 872
Performed 9 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 2 with 9 Pre rules applied. Total rules applied 586 place count 722 transition count 863
Deduced a syphon composed of 9 places in 0 ms
Reduce places removed 9 places and 0 transitions.
Iterating global reduction 2 with 18 rules applied. Total rules applied 604 place count 713 transition count 863
Performed 287 Post agglomeration using F-continuation condition.Transition count delta: 287
Deduced a syphon composed of 287 places in 1 ms
Reduce places removed 287 places and 0 transitions.
Iterating global reduction 2 with 574 rules applied. Total rules applied 1178 place count 426 transition count 576
Renaming transitions due to excessive name length > 1024 char.
Reduce places removed 2 places and 2 transitions.
Iterating global reduction 2 with 2 rules applied. Total rules applied 1180 place count 424 transition count 574
Applied a total of 1180 rules in 103 ms. Remains 424 /1016 variables (removed 592) and now considering 574/1166 (removed 592) transitions.
Finished structural reductions in SI_CTL mode , in 1 iterations and 103 ms. Remains : 424/1016 places, 574/1166 transitions.
[2023-03-20 19:55:21] [INFO ] Flatten gal took : 17 ms
[2023-03-20 19:55:21] [INFO ] Flatten gal took : 18 ms
[2023-03-20 19:55:21] [INFO ] Input system was already deterministic with 574 transitions.
Starting structural reductions in LTL mode, iteration 0 : 1016/1016 places, 1166/1166 transitions.
Discarding 21 places :
Symmetric choice reduction at 0 with 21 rule applications. Total rules 21 place count 995 transition count 1145
Iterating global reduction 0 with 21 rules applied. Total rules applied 42 place count 995 transition count 1145
Applied a total of 42 rules in 42 ms. Remains 995 /1016 variables (removed 21) and now considering 1145/1166 (removed 21) transitions.
Finished structural reductions in LTL mode , in 1 iterations and 42 ms. Remains : 995/1016 places, 1145/1166 transitions.
[2023-03-20 19:55:21] [INFO ] Flatten gal took : 29 ms
[2023-03-20 19:55:21] [INFO ] Flatten gal took : 31 ms
[2023-03-20 19:55:21] [INFO ] Input system was already deterministic with 1145 transitions.
Starting structural reductions in LTL mode, iteration 0 : 1016/1016 places, 1166/1166 transitions.
Discarding 22 places :
Symmetric choice reduction at 0 with 22 rule applications. Total rules 22 place count 994 transition count 1144
Iterating global reduction 0 with 22 rules applied. Total rules applied 44 place count 994 transition count 1144
Applied a total of 44 rules in 44 ms. Remains 994 /1016 variables (removed 22) and now considering 1144/1166 (removed 22) transitions.
Finished structural reductions in LTL mode , in 1 iterations and 44 ms. Remains : 994/1016 places, 1144/1166 transitions.
[2023-03-20 19:55:21] [INFO ] Flatten gal took : 25 ms
[2023-03-20 19:55:21] [INFO ] Flatten gal took : 31 ms
[2023-03-20 19:55:21] [INFO ] Input system was already deterministic with 1144 transitions.
Starting structural reductions in SI_CTL mode, iteration 0 : 1016/1016 places, 1166/1166 transitions.
Reduce places removed 1 places and 1 transitions.
Drop transitions removed 121 transitions
Trivial Post-agglo rules discarded 121 transitions
Performed 121 trivial Post agglomeration. Transition count delta: 121
Iterating post reduction 0 with 121 rules applied. Total rules applied 121 place count 1015 transition count 1044
Reduce places removed 121 places and 0 transitions.
Iterating post reduction 1 with 121 rules applied. Total rules applied 242 place count 894 transition count 1044
Performed 147 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 2 with 147 Pre rules applied. Total rules applied 242 place count 894 transition count 897
Deduced a syphon composed of 147 places in 1 ms
Reduce places removed 147 places and 0 transitions.
Iterating global reduction 2 with 294 rules applied. Total rules applied 536 place count 747 transition count 897
Discarding 24 places :
Symmetric choice reduction at 2 with 24 rule applications. Total rules 560 place count 723 transition count 873
Iterating global reduction 2 with 24 rules applied. Total rules applied 584 place count 723 transition count 873
Performed 9 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 2 with 9 Pre rules applied. Total rules applied 584 place count 723 transition count 864
Deduced a syphon composed of 9 places in 1 ms
Reduce places removed 9 places and 0 transitions.
Iterating global reduction 2 with 18 rules applied. Total rules applied 602 place count 714 transition count 864
Performed 285 Post agglomeration using F-continuation condition.Transition count delta: 285
Deduced a syphon composed of 285 places in 0 ms
Reduce places removed 285 places and 0 transitions.
Iterating global reduction 2 with 570 rules applied. Total rules applied 1172 place count 429 transition count 579
Renaming transitions due to excessive name length > 1024 char.
Reduce places removed 2 places and 2 transitions.
Iterating global reduction 2 with 2 rules applied. Total rules applied 1174 place count 427 transition count 577
Applied a total of 1174 rules in 100 ms. Remains 427 /1016 variables (removed 589) and now considering 577/1166 (removed 589) transitions.
Finished structural reductions in SI_CTL mode , in 1 iterations and 101 ms. Remains : 427/1016 places, 577/1166 transitions.
[2023-03-20 19:55:22] [INFO ] Flatten gal took : 15 ms
[2023-03-20 19:55:22] [INFO ] Flatten gal took : 14 ms
[2023-03-20 19:55:22] [INFO ] Input system was already deterministic with 577 transitions.
Starting structural reductions in LTL mode, iteration 0 : 1016/1016 places, 1166/1166 transitions.
Discarding 24 places :
Symmetric choice reduction at 0 with 24 rule applications. Total rules 24 place count 992 transition count 1142
Iterating global reduction 0 with 24 rules applied. Total rules applied 48 place count 992 transition count 1142
Applied a total of 48 rules in 41 ms. Remains 992 /1016 variables (removed 24) and now considering 1142/1166 (removed 24) transitions.
Finished structural reductions in LTL mode , in 1 iterations and 41 ms. Remains : 992/1016 places, 1142/1166 transitions.
[2023-03-20 19:55:22] [INFO ] Flatten gal took : 27 ms
[2023-03-20 19:55:22] [INFO ] Flatten gal took : 29 ms
[2023-03-20 19:55:22] [INFO ] Input system was already deterministic with 1142 transitions.
Starting structural reductions in LTL mode, iteration 0 : 1016/1016 places, 1166/1166 transitions.
Discarding 22 places :
Symmetric choice reduction at 0 with 22 rule applications. Total rules 22 place count 994 transition count 1144
Iterating global reduction 0 with 22 rules applied. Total rules applied 44 place count 994 transition count 1144
Applied a total of 44 rules in 46 ms. Remains 994 /1016 variables (removed 22) and now considering 1144/1166 (removed 22) transitions.
Finished structural reductions in LTL mode , in 1 iterations and 46 ms. Remains : 994/1016 places, 1144/1166 transitions.
[2023-03-20 19:55:22] [INFO ] Flatten gal took : 26 ms
[2023-03-20 19:55:22] [INFO ] Flatten gal took : 35 ms
[2023-03-20 19:55:22] [INFO ] Input system was already deterministic with 1144 transitions.
Starting structural reductions in LTL mode, iteration 0 : 1016/1016 places, 1166/1166 transitions.
Discarding 20 places :
Symmetric choice reduction at 0 with 20 rule applications. Total rules 20 place count 996 transition count 1146
Iterating global reduction 0 with 20 rules applied. Total rules applied 40 place count 996 transition count 1146
Applied a total of 40 rules in 38 ms. Remains 996 /1016 variables (removed 20) and now considering 1146/1166 (removed 20) transitions.
Finished structural reductions in LTL mode , in 1 iterations and 39 ms. Remains : 996/1016 places, 1146/1166 transitions.
[2023-03-20 19:55:22] [INFO ] Flatten gal took : 27 ms
[2023-03-20 19:55:22] [INFO ] Flatten gal took : 29 ms
[2023-03-20 19:55:22] [INFO ] Input system was already deterministic with 1146 transitions.
Starting structural reductions in SI_CTL mode, iteration 0 : 1016/1016 places, 1166/1166 transitions.
Reduce places removed 1 places and 1 transitions.
Drop transitions removed 120 transitions
Trivial Post-agglo rules discarded 120 transitions
Performed 120 trivial Post agglomeration. Transition count delta: 120
Iterating post reduction 0 with 120 rules applied. Total rules applied 120 place count 1015 transition count 1045
Reduce places removed 120 places and 0 transitions.
Iterating post reduction 1 with 120 rules applied. Total rules applied 240 place count 895 transition count 1045
Performed 150 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 2 with 150 Pre rules applied. Total rules applied 240 place count 895 transition count 895
Deduced a syphon composed of 150 places in 1 ms
Reduce places removed 150 places and 0 transitions.
Iterating global reduction 2 with 300 rules applied. Total rules applied 540 place count 745 transition count 895
Discarding 23 places :
Symmetric choice reduction at 2 with 23 rule applications. Total rules 563 place count 722 transition count 872
Iterating global reduction 2 with 23 rules applied. Total rules applied 586 place count 722 transition count 872
Performed 8 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 2 with 8 Pre rules applied. Total rules applied 586 place count 722 transition count 864
Deduced a syphon composed of 8 places in 0 ms
Reduce places removed 8 places and 0 transitions.
Iterating global reduction 2 with 16 rules applied. Total rules applied 602 place count 714 transition count 864
Performed 289 Post agglomeration using F-continuation condition.Transition count delta: 289
Deduced a syphon composed of 289 places in 0 ms
Reduce places removed 289 places and 0 transitions.
Iterating global reduction 2 with 578 rules applied. Total rules applied 1180 place count 425 transition count 575
Renaming transitions due to excessive name length > 1024 char.
Reduce places removed 2 places and 2 transitions.
Iterating global reduction 2 with 2 rules applied. Total rules applied 1182 place count 423 transition count 573
Applied a total of 1182 rules in 90 ms. Remains 423 /1016 variables (removed 593) and now considering 573/1166 (removed 593) transitions.
Finished structural reductions in SI_CTL mode , in 1 iterations and 91 ms. Remains : 423/1016 places, 573/1166 transitions.
[2023-03-20 19:55:22] [INFO ] Flatten gal took : 13 ms
[2023-03-20 19:55:22] [INFO ] Flatten gal took : 14 ms
[2023-03-20 19:55:22] [INFO ] Input system was already deterministic with 573 transitions.
Finished random walk after 1 steps, including 0 resets, run visited all 1 properties in 1 ms. (steps per millisecond=1 )
FORMULA ShieldRVs-PT-030B-CTLCardinality-13 TRUE TECHNIQUES TOPOLOGICAL RANDOM_WALK
Starting structural reductions in SI_CTL mode, iteration 0 : 1016/1016 places, 1166/1166 transitions.
Reduce places removed 1 places and 1 transitions.
Drop transitions removed 118 transitions
Trivial Post-agglo rules discarded 118 transitions
Performed 118 trivial Post agglomeration. Transition count delta: 118
Iterating post reduction 0 with 118 rules applied. Total rules applied 118 place count 1015 transition count 1047
Reduce places removed 118 places and 0 transitions.
Performed 1 Post agglomeration using F-continuation condition.Transition count delta: 1
Iterating post reduction 1 with 119 rules applied. Total rules applied 237 place count 897 transition count 1046
Reduce places removed 1 places and 0 transitions.
Iterating post reduction 2 with 1 rules applied. Total rules applied 238 place count 896 transition count 1046
Performed 148 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 3 with 148 Pre rules applied. Total rules applied 238 place count 896 transition count 898
Deduced a syphon composed of 148 places in 1 ms
Reduce places removed 148 places and 0 transitions.
Iterating global reduction 3 with 296 rules applied. Total rules applied 534 place count 748 transition count 898
Discarding 22 places :
Symmetric choice reduction at 3 with 22 rule applications. Total rules 556 place count 726 transition count 876
Iterating global reduction 3 with 22 rules applied. Total rules applied 578 place count 726 transition count 876
Performed 8 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 3 with 8 Pre rules applied. Total rules applied 578 place count 726 transition count 868
Deduced a syphon composed of 8 places in 1 ms
Reduce places removed 8 places and 0 transitions.
Iterating global reduction 3 with 16 rules applied. Total rules applied 594 place count 718 transition count 868
Performed 287 Post agglomeration using F-continuation condition.Transition count delta: 287
Deduced a syphon composed of 287 places in 1 ms
Reduce places removed 287 places and 0 transitions.
Iterating global reduction 3 with 574 rules applied. Total rules applied 1168 place count 431 transition count 581
Reduce places removed 2 places and 2 transitions.
Iterating global reduction 3 with 2 rules applied. Total rules applied 1170 place count 429 transition count 579
Applied a total of 1170 rules in 94 ms. Remains 429 /1016 variables (removed 587) and now considering 579/1166 (removed 587) transitions.
Finished structural reductions in SI_CTL mode , in 1 iterations and 96 ms. Remains : 429/1016 places, 579/1166 transitions.
[2023-03-20 19:55:22] [INFO ] Flatten gal took : 12 ms
[2023-03-20 19:55:22] [INFO ] Flatten gal took : 13 ms
[2023-03-20 19:55:23] [INFO ] Input system was already deterministic with 579 transitions.
Starting structural reductions in SI_CTL mode, iteration 0 : 1016/1016 places, 1166/1166 transitions.
Reduce places removed 1 places and 1 transitions.
Drop transitions removed 120 transitions
Trivial Post-agglo rules discarded 120 transitions
Performed 120 trivial Post agglomeration. Transition count delta: 120
Iterating post reduction 0 with 120 rules applied. Total rules applied 120 place count 1015 transition count 1045
Reduce places removed 120 places and 0 transitions.
Iterating post reduction 1 with 120 rules applied. Total rules applied 240 place count 895 transition count 1045
Performed 149 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 2 with 149 Pre rules applied. Total rules applied 240 place count 895 transition count 896
Deduced a syphon composed of 149 places in 1 ms
Reduce places removed 149 places and 0 transitions.
Iterating global reduction 2 with 298 rules applied. Total rules applied 538 place count 746 transition count 896
Discarding 22 places :
Symmetric choice reduction at 2 with 22 rule applications. Total rules 560 place count 724 transition count 874
Iterating global reduction 2 with 22 rules applied. Total rules applied 582 place count 724 transition count 874
Performed 8 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 2 with 8 Pre rules applied. Total rules applied 582 place count 724 transition count 866
Deduced a syphon composed of 8 places in 1 ms
Reduce places removed 8 places and 0 transitions.
Iterating global reduction 2 with 16 rules applied. Total rules applied 598 place count 716 transition count 866
Performed 288 Post agglomeration using F-continuation condition.Transition count delta: 288
Deduced a syphon composed of 288 places in 0 ms
Reduce places removed 288 places and 0 transitions.
Iterating global reduction 2 with 576 rules applied. Total rules applied 1174 place count 428 transition count 578
Renaming transitions due to excessive name length > 1024 char.
Reduce places removed 2 places and 2 transitions.
Iterating global reduction 2 with 2 rules applied. Total rules applied 1176 place count 426 transition count 576
Applied a total of 1176 rules in 72 ms. Remains 426 /1016 variables (removed 590) and now considering 576/1166 (removed 590) transitions.
Finished structural reductions in SI_CTL mode , in 1 iterations and 72 ms. Remains : 426/1016 places, 576/1166 transitions.
[2023-03-20 19:55:23] [INFO ] Flatten gal took : 13 ms
[2023-03-20 19:55:23] [INFO ] Flatten gal took : 14 ms
[2023-03-20 19:55:23] [INFO ] Input system was already deterministic with 576 transitions.
[2023-03-20 19:55:23] [INFO ] Flatten gal took : 24 ms
[2023-03-20 19:55:23] [INFO ] Flatten gal took : 24 ms
[2023-03-20 19:55:23] [INFO ] Export to MCC of 14 properties in file /home/mcc/execution/CTLCardinality.sr.xml took 3 ms.
[2023-03-20 19:55:23] [INFO ] Export to PNML in file /home/mcc/execution/model.sr.pnml of net with 1016 places, 1166 transitions and 3946 arcs took 5 ms.
Total runtime 19180 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=CTLCardinality.xml --memory=6 --mcc-mode

parse successfull
net created successfully

Net: Petri
(NrP: 1016 NrTr: 1166 NrArc: 3946)

parse formulas
formulas created successfully
place and transition orderings generation:0m 0.111sec

net check time: 0m 0.000sec

init dd package: 0m 3.098sec


before gc: list nodes free: 915803

after gc: idd nodes used:48681344, unused:15318656; list nodes free:67296862

RS generation: 25m 7.558sec


-> last computed set: #nodes 48680330 (4.9e+07) #states 30,921,750,937,469 (13)


CANNOT_COMPUTE


BK_STOP 1679343662162

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

+ ulimit -s 65536
+ [[ -z '' ]]
+ export LTSMIN_MEM_SIZE=8589934592
+ LTSMIN_MEM_SIZE=8589934592
+ export PYTHONPATH=/home/mcc/BenchKit/itstools/pylibs
+ PYTHONPATH=/home/mcc/BenchKit/itstools/pylibs
+ export LD_LIBRARY_PATH=/home/mcc/BenchKit/itstools/pylibs:
+ LD_LIBRARY_PATH=/home/mcc/BenchKit/itstools/pylibs:
++ sed s/.jar//
++ perl -pe 's/.*\.//g'
++ ls /home/mcc/BenchKit/bin//../reducer/bin//../../itstools//itstools/plugins/fr.lip6.move.gal.application.pnmcc_1.0.0.202303021504.jar
+ VERSION=202303021504
+ echo 'Running Version 202303021504'
+ /home/mcc/BenchKit/bin//../reducer/bin//../../itstools//itstools/its-tools -pnfolder /home/mcc/execution -examination CTLCardinality -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 0.006sec

idd.cc:820: DD Exception: No free nodes

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="ShieldRVs-PT-030B"
export BK_EXAMINATION="CTLCardinality"
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 ShieldRVs-PT-030B, 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 r426-tajo-167905978500121"
echo "====================================================================="
echo
echo "--------------------"
echo "preparation of the directory to be used:"

tar xzf /home/mcc/BenchKit/INPUTS/ShieldRVs-PT-030B.tgz
mv ShieldRVs-PT-030B 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 ;