fond
Model Checking Contest 2023
13th edition, Paris, France, April 26, 2023 (at TOOLympics II)
Execution of r041-tajo-167813694100017
Last Updated
May 14, 2023

About the Execution of LTSMin+red for BridgeAndVehicles-COL-V20P10N10

Execution Summary
Max Memory
Used (MB)
Time wait (ms) CPU Usage (ms) I/O Wait (ms) Computed Result Execution
Status
15936.907 3580534.00 14302059.00 98.00 FFF?F?FFTT?TFFFT 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.r041-tajo-167813694100017.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 ltsminxred
Input is BridgeAndVehicles-COL-V20P10N10, examination is CTLCardinality
Time confinement is 3600 seconds
Memory confinement is 16384 MBytes
Number of cores is 4
Run identifier is r041-tajo-167813694100017
=====================================================================

--------------------
preparation of the directory to be used:
/home/mcc/execution
total 512K
-rw-r--r-- 1 mcc users 9.9K Feb 25 12:09 CTLCardinality.txt
-rw-r--r-- 1 mcc users 101K Feb 25 12:09 CTLCardinality.xml
-rw-r--r-- 1 mcc users 7.2K Feb 25 12:07 CTLFireability.txt
-rw-r--r-- 1 mcc users 57K Feb 25 12:07 CTLFireability.xml
-rw-r--r-- 1 mcc users 4.2K Jan 29 11:40 GenericPropertiesDefinition.xml
-rw-r--r-- 1 mcc users 6.4K Jan 29 11:40 GenericPropertiesVerdict.xml
-rw-r--r-- 1 mcc users 4.2K Feb 25 15:35 LTLCardinality.txt
-rw-r--r-- 1 mcc users 26K Feb 25 15:35 LTLCardinality.xml
-rw-r--r-- 1 mcc users 2.9K Feb 25 15:35 LTLFireability.txt
-rw-r--r-- 1 mcc users 18K Feb 25 15:35 LTLFireability.xml
-rw-r--r-- 1 mcc users 11K Feb 25 12:16 ReachabilityCardinality.txt
-rw-r--r-- 1 mcc users 99K Feb 25 12:16 ReachabilityCardinality.xml
-rw-r--r-- 1 mcc users 9.6K Feb 25 12:15 ReachabilityFireability.txt
-rw-r--r-- 1 mcc users 66K Feb 25 12:15 ReachabilityFireability.xml
-rw-r--r-- 1 mcc users 1.9K Feb 25 15:35 UpperBounds.txt
-rw-r--r-- 1 mcc users 3.9K Feb 25 15:35 UpperBounds.xml
-rw-r--r-- 1 mcc users 5 Mar 5 18:22 equiv_pt
-rw-r--r-- 1 mcc users 10 Mar 5 18:22 instance
-rw-r--r-- 1 mcc users 5 Mar 5 18:22 iscolored
-rw-r--r-- 1 mcc users 39K 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 BridgeAndVehicles-COL-V20P10N10-CTLCardinality-00
FORMULA_NAME BridgeAndVehicles-COL-V20P10N10-CTLCardinality-01
FORMULA_NAME BridgeAndVehicles-COL-V20P10N10-CTLCardinality-02
FORMULA_NAME BridgeAndVehicles-COL-V20P10N10-CTLCardinality-03
FORMULA_NAME BridgeAndVehicles-COL-V20P10N10-CTLCardinality-04
FORMULA_NAME BridgeAndVehicles-COL-V20P10N10-CTLCardinality-05
FORMULA_NAME BridgeAndVehicles-COL-V20P10N10-CTLCardinality-06
FORMULA_NAME BridgeAndVehicles-COL-V20P10N10-CTLCardinality-07
FORMULA_NAME BridgeAndVehicles-COL-V20P10N10-CTLCardinality-08
FORMULA_NAME BridgeAndVehicles-COL-V20P10N10-CTLCardinality-09
FORMULA_NAME BridgeAndVehicles-COL-V20P10N10-CTLCardinality-10
FORMULA_NAME BridgeAndVehicles-COL-V20P10N10-CTLCardinality-11
FORMULA_NAME BridgeAndVehicles-COL-V20P10N10-CTLCardinality-12
FORMULA_NAME BridgeAndVehicles-COL-V20P10N10-CTLCardinality-13
FORMULA_NAME BridgeAndVehicles-COL-V20P10N10-CTLCardinality-14
FORMULA_NAME BridgeAndVehicles-COL-V20P10N10-CTLCardinality-15

=== Now, execution of the tool begins

BK_START 1678602276847

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=ltsminxred
BK_EXAMINATION=CTLCardinality
BK_BIN_PATH=/home/mcc/BenchKit/bin/
BK_TIME_CONFINEMENT=3600
BK_INPUT=BridgeAndVehicles-COL-V20P10N10
Applying reductions before tool ltsmin
Invoking reducer
Running Version 202303021504
[2023-03-12 06:24:38] [INFO ] Running its-tools with arguments : [-pnfolder, /home/mcc/execution, -examination, CTLCardinality, -timeout, 360, -rebuildPNML]
[2023-03-12 06:24:38] [INFO ] Parsing pnml file : /home/mcc/execution/model.pnml
[2023-03-12 06:24:38] [INFO ] Detected file is not PT type :http://www.pnml.org/version-2009/grammar/symmetricnet
log4j:WARN No appenders could be found for logger (org.apache.axiom.locator.DefaultOMMetaFactoryLocator).
log4j:WARN Please initialize the log4j system properly.
log4j:WARN See http://logging.apache.org/log4j/1.2/faq.html#noconfig for more info.
[2023-03-12 06:24:39] [WARNING] Using fallBack plugin, rng conformance not checked
[2023-03-12 06:24:39] [INFO ] Load time of PNML (colored model parsed with PNMLFW) : 577 ms
[2023-03-12 06:24:39] [INFO ] Imported 15 HL places and 11 HL transitions for a total of 68 PT places and 19578.0 transition bindings in 24 ms.
Parsed 16 properties from file /home/mcc/execution/CTLCardinality.xml in 20 ms.
[2023-03-12 06:24:39] [INFO ] Built PT skeleton of HLPN with 15 places and 11 transitions 56 arcs in 5 ms.
[2023-03-12 06:24:39] [INFO ] Skeletonized 16 HLPN properties in 2 ms.
Computed a total of 12 stabilizing places and 6 stable transitions
Graph (complete) has 51 edges and 15 vertex of which 13 are kept as prefixes of interest. Removing 2 places using SCC suffix rule.2 ms
Remains 16 properties that can be checked using skeleton over-approximation.
Reduce places removed 3 places and 0 transitions.
Ensure Unique test removed 1 transitions
Reduce redundant transitions removed 1 transitions.
Computed a total of 9 stabilizing places and 6 stable transitions
Graph (complete) has 22 edges and 12 vertex of which 10 are kept as prefixes of interest. Removing 2 places using SCC suffix rule.1 ms
Incomplete random walk after 10000 steps, including 2 resets, run finished after 576 ms. (steps per millisecond=17 ) properties (out of 92) seen :31
Incomplete Best-First random walk after 1000 steps, including 2 resets, run finished after 9 ms. (steps per millisecond=111 ) properties (out of 61) seen :0
Incomplete Best-First random walk after 1001 steps, including 2 resets, run finished after 12 ms. (steps per millisecond=83 ) properties (out of 61) seen :0
Incomplete Best-First random walk after 1001 steps, including 2 resets, run finished after 11 ms. (steps per millisecond=91 ) properties (out of 61) seen :0
Incomplete Best-First random walk after 1001 steps, including 2 resets, run finished after 12 ms. (steps per millisecond=83 ) properties (out of 61) seen :1
Incomplete Best-First random walk after 1001 steps, including 2 resets, run finished after 12 ms. (steps per millisecond=83 ) properties (out of 60) seen :0
Incomplete Best-First random walk after 1001 steps, including 2 resets, run finished after 9 ms. (steps per millisecond=111 ) properties (out of 60) seen :0
Incomplete Best-First random walk after 1001 steps, including 2 resets, run finished after 8 ms. (steps per millisecond=125 ) properties (out of 60) seen :0
Incomplete Best-First random walk after 1000 steps, including 2 resets, run finished after 13 ms. (steps per millisecond=76 ) properties (out of 60) seen :0
Incomplete Best-First random walk after 1000 steps, including 2 resets, run finished after 10 ms. (steps per millisecond=100 ) properties (out of 60) seen :0
Incomplete Best-First random walk after 1000 steps, including 2 resets, run finished after 8 ms. (steps per millisecond=125 ) properties (out of 60) seen :0
Incomplete Best-First random walk after 1001 steps, including 2 resets, run finished after 8 ms. (steps per millisecond=125 ) properties (out of 60) seen :0
Incomplete Best-First random walk after 1001 steps, including 2 resets, run finished after 8 ms. (steps per millisecond=125 ) properties (out of 60) seen :0
Incomplete Best-First random walk after 1001 steps, including 2 resets, run finished after 13 ms. (steps per millisecond=77 ) properties (out of 60) seen :0
Incomplete Best-First random walk after 1000 steps, including 2 resets, run finished after 9 ms. (steps per millisecond=111 ) properties (out of 60) seen :0
Incomplete Best-First random walk after 1001 steps, including 2 resets, run finished after 8 ms. (steps per millisecond=125 ) properties (out of 60) seen :0
Incomplete Best-First random walk after 1000 steps, including 2 resets, run finished after 10 ms. (steps per millisecond=100 ) properties (out of 60) seen :0
Incomplete Best-First random walk after 1001 steps, including 2 resets, run finished after 9 ms. (steps per millisecond=111 ) properties (out of 60) seen :0
Incomplete Best-First random walk after 1001 steps, including 2 resets, run finished after 18 ms. (steps per millisecond=55 ) properties (out of 60) seen :0
Incomplete Best-First random walk after 1000 steps, including 2 resets, run finished after 9 ms. (steps per millisecond=111 ) properties (out of 60) seen :0
Incomplete Best-First random walk after 1001 steps, including 2 resets, run finished after 8 ms. (steps per millisecond=125 ) properties (out of 60) seen :0
Incomplete Best-First random walk after 1001 steps, including 2 resets, run finished after 10 ms. (steps per millisecond=100 ) properties (out of 60) seen :0
Incomplete Best-First random walk after 1001 steps, including 2 resets, run finished after 12 ms. (steps per millisecond=83 ) properties (out of 60) seen :0
Incomplete Best-First random walk after 1001 steps, including 2 resets, run finished after 11 ms. (steps per millisecond=91 ) properties (out of 60) seen :0
Incomplete Best-First random walk after 1000 steps, including 2 resets, run finished after 9 ms. (steps per millisecond=111 ) properties (out of 60) seen :0
Incomplete Best-First random walk after 1001 steps, including 2 resets, run finished after 10 ms. (steps per millisecond=100 ) properties (out of 60) seen :0
Incomplete Best-First random walk after 1000 steps, including 2 resets, run finished after 9 ms. (steps per millisecond=111 ) properties (out of 60) seen :0
Incomplete Best-First random walk after 1001 steps, including 2 resets, run finished after 7 ms. (steps per millisecond=143 ) properties (out of 60) seen :0
Incomplete Best-First random walk after 1001 steps, including 2 resets, run finished after 9 ms. (steps per millisecond=111 ) properties (out of 60) seen :0
Incomplete Best-First random walk after 1001 steps, including 2 resets, run finished after 8 ms. (steps per millisecond=125 ) properties (out of 60) seen :0
Incomplete Best-First random walk after 1001 steps, including 2 resets, run finished after 10 ms. (steps per millisecond=100 ) properties (out of 60) seen :0
Incomplete Best-First random walk after 1001 steps, including 2 resets, run finished after 8 ms. (steps per millisecond=125 ) properties (out of 60) seen :3
Incomplete Best-First random walk after 1000 steps, including 2 resets, run finished after 8 ms. (steps per millisecond=125 ) properties (out of 57) seen :0
Incomplete Best-First random walk after 1001 steps, including 2 resets, run finished after 9 ms. (steps per millisecond=111 ) properties (out of 57) seen :0
Incomplete Best-First random walk after 1001 steps, including 2 resets, run finished after 10 ms. (steps per millisecond=100 ) properties (out of 57) seen :0
Incomplete Best-First random walk after 1000 steps, including 2 resets, run finished after 10 ms. (steps per millisecond=100 ) properties (out of 57) seen :0
Incomplete Best-First random walk after 1001 steps, including 2 resets, run finished after 8 ms. (steps per millisecond=125 ) properties (out of 57) seen :0
Incomplete Best-First random walk after 1000 steps, including 2 resets, run finished after 13 ms. (steps per millisecond=76 ) properties (out of 57) seen :0
Incomplete Best-First random walk after 1001 steps, including 2 resets, run finished after 9 ms. (steps per millisecond=111 ) properties (out of 57) seen :0
Incomplete Best-First random walk after 1000 steps, including 2 resets, run finished after 14 ms. (steps per millisecond=71 ) properties (out of 57) seen :0
Incomplete Best-First random walk after 1001 steps, including 2 resets, run finished after 8 ms. (steps per millisecond=125 ) properties (out of 57) seen :0
Incomplete Best-First random walk after 1001 steps, including 2 resets, run finished after 10 ms. (steps per millisecond=100 ) properties (out of 57) seen :0
Incomplete Best-First random walk after 1000 steps, including 2 resets, run finished after 9 ms. (steps per millisecond=111 ) properties (out of 57) seen :0
Incomplete Best-First random walk after 1000 steps, including 2 resets, run finished after 8 ms. (steps per millisecond=125 ) properties (out of 57) seen :0
Incomplete Best-First random walk after 1001 steps, including 2 resets, run finished after 9 ms. (steps per millisecond=111 ) properties (out of 57) seen :0
Incomplete Best-First random walk after 1001 steps, including 2 resets, run finished after 8 ms. (steps per millisecond=125 ) properties (out of 57) seen :0
Incomplete Best-First random walk after 1001 steps, including 2 resets, run finished after 10 ms. (steps per millisecond=100 ) properties (out of 57) seen :0
Incomplete Best-First random walk after 1000 steps, including 2 resets, run finished after 9 ms. (steps per millisecond=111 ) properties (out of 57) seen :0
Incomplete Best-First random walk after 1001 steps, including 2 resets, run finished after 9 ms. (steps per millisecond=111 ) properties (out of 57) seen :0
Incomplete Best-First random walk after 1001 steps, including 2 resets, run finished after 10 ms. (steps per millisecond=100 ) properties (out of 57) seen :0
Incomplete Best-First random walk after 1001 steps, including 2 resets, run finished after 9 ms. (steps per millisecond=111 ) properties (out of 57) seen :0
Incomplete Best-First random walk after 1000 steps, including 2 resets, run finished after 7 ms. (steps per millisecond=142 ) properties (out of 57) seen :0
Incomplete Best-First random walk after 1000 steps, including 2 resets, run finished after 9 ms. (steps per millisecond=111 ) properties (out of 57) seen :0
Incomplete Best-First random walk after 1001 steps, including 2 resets, run finished after 9 ms. (steps per millisecond=111 ) properties (out of 57) seen :0
Incomplete Best-First random walk after 1001 steps, including 2 resets, run finished after 7 ms. (steps per millisecond=143 ) properties (out of 57) seen :0
Incomplete Best-First random walk after 1000 steps, including 2 resets, run finished after 13 ms. (steps per millisecond=76 ) properties (out of 57) seen :0
Incomplete Best-First random walk after 1001 steps, including 2 resets, run finished after 11 ms. (steps per millisecond=91 ) properties (out of 57) seen :0
Incomplete Best-First random walk after 1001 steps, including 2 resets, run finished after 8 ms. (steps per millisecond=125 ) properties (out of 57) seen :0
Incomplete Best-First random walk after 1000 steps, including 2 resets, run finished after 8 ms. (steps per millisecond=125 ) properties (out of 57) seen :0
Running SMT prover for 57 properties.
// Phase 1: matrix 10 rows 12 cols
[2023-03-12 06:24:40] [INFO ] Computed 4 place invariants in 3 ms
[2023-03-12 06:24:40] [INFO ] [Real]Absence check using 4 positive place invariants in 1 ms returned sat
[2023-03-12 06:24:40] [INFO ] After 236ms SMT Verify possible using all constraints in real domain returned unsat :29 sat :0 real:28
[2023-03-12 06:24:40] [INFO ] [Nat]Absence check using 4 positive place invariants in 1 ms returned sat
[2023-03-12 06:24:40] [INFO ] After 85ms SMT Verify possible using all constraints in natural domain returned unsat :57 sat :0
Fused 57 Parikh solutions to 0 different solutions.
Parikh walk visited 0 properties in 0 ms.
Successfully simplified 57 atomic propositions for a total of 16 simplifications.
FORMULA BridgeAndVehicles-COL-V20P10N10-CTLCardinality-04 FALSE TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA BridgeAndVehicles-COL-V20P10N10-CTLCardinality-13 FALSE TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA BridgeAndVehicles-COL-V20P10N10-CTLCardinality-15 TRUE TECHNIQUES TOPOLOGICAL INITIAL_STATE
[2023-03-12 06:24:40] [INFO ] Initial state reduction rules for CTL removed 4 formulas.
[2023-03-12 06:24:41] [INFO ] Flatten gal took : 40 ms
[2023-03-12 06:24:41] [INFO ] Initial state reduction rules for CTL removed 2 formulas.
FORMULA BridgeAndVehicles-COL-V20P10N10-CTLCardinality-14 FALSE TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA BridgeAndVehicles-COL-V20P10N10-CTLCardinality-09 TRUE TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA BridgeAndVehicles-COL-V20P10N10-CTLCardinality-07 FALSE TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA BridgeAndVehicles-COL-V20P10N10-CTLCardinality-06 FALSE TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA BridgeAndVehicles-COL-V20P10N10-CTLCardinality-02 FALSE TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA BridgeAndVehicles-COL-V20P10N10-CTLCardinality-01 FALSE TECHNIQUES TOPOLOGICAL INITIAL_STATE
[2023-03-12 06:24:41] [INFO ] Flatten gal took : 2 ms
Arc [1:1*[(MOD (ADD $cA 1) 21)]] contains successor/predecessor on variables of sort voitureA
Arc [6:1*[(MOD (ADD (MOD (MINUS $cB 1) 21) 21) 21)]] contains successor/predecessor on variables of sort voitureB
Arc [13:1*[(MOD (ADD $cpt 1) 11)]] contains successor/predecessor on variables of sort compteur
Arc [14:1*[(MOD (ADD $s 1) 2)]] contains successor/predecessor on variables of sort sens
[2023-03-12 06:24:41] [INFO ] Unfolded HLPN to a Petri net with 68 places and 548 transitions 4070 arcs in 36 ms.
[2023-03-12 06:24:41] [INFO ] Unfolded 7 HLPN properties in 1 ms.
Support contains 15 out of 68 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 68/68 places, 548/548 transitions.
Applied a total of 0 rules in 20 ms. Remains 68 /68 variables (removed 0) and now considering 548/548 (removed 0) transitions.
[2023-03-12 06:24:41] [INFO ] Flow matrix only has 130 transitions (discarded 418 similar events)
// Phase 1: matrix 130 rows 68 cols
[2023-03-12 06:24:41] [INFO ] Computed 7 place invariants in 11 ms
[2023-03-12 06:24:41] [INFO ] Dead Transitions using invariants and state equation in 304 ms found 0 transitions.
[2023-03-12 06:24:41] [INFO ] Flow matrix only has 130 transitions (discarded 418 similar events)
[2023-03-12 06:24:41] [INFO ] Invariant cache hit.
[2023-03-12 06:24:41] [INFO ] Implicit Places using invariants in 114 ms returned []
[2023-03-12 06:24:41] [INFO ] Flow matrix only has 130 transitions (discarded 418 similar events)
[2023-03-12 06:24:41] [INFO ] Invariant cache hit.
[2023-03-12 06:24:41] [INFO ] State equation strengthened by 22 read => feed constraints.
[2023-03-12 06:24:41] [INFO ] Implicit Places using invariants and state equation in 177 ms returned []
Implicit Place search using SMT with State Equation took 293 ms to find 0 implicit places.
[2023-03-12 06:24:41] [INFO ] Flow matrix only has 130 transitions (discarded 418 similar events)
[2023-03-12 06:24:41] [INFO ] Invariant cache hit.
[2023-03-12 06:24:41] [INFO ] Dead Transitions using invariants and state equation in 190 ms found 0 transitions.
Finished structural reductions in LTL mode , in 1 iterations and 811 ms. Remains : 68/68 places, 548/548 transitions.
Support contains 15 out of 68 places after structural reductions.
[2023-03-12 06:24:41] [INFO ] Flatten gal took : 41 ms
[2023-03-12 06:24:42] [INFO ] Flatten gal took : 39 ms
[2023-03-12 06:24:42] [INFO ] Input system was already deterministic with 548 transitions.
Incomplete random walk after 10000 steps, including 56 resets, run finished after 429 ms. (steps per millisecond=23 ) properties (out of 53) seen :20
Incomplete Best-First random walk after 1001 steps, including 2 resets, run finished after 13 ms. (steps per millisecond=77 ) properties (out of 33) seen :0
Incomplete Best-First random walk after 1001 steps, including 2 resets, run finished after 9 ms. (steps per millisecond=111 ) properties (out of 33) seen :0
Incomplete Best-First random walk after 1000 steps, including 2 resets, run finished after 11 ms. (steps per millisecond=90 ) properties (out of 33) seen :0
Incomplete Best-First random walk after 1001 steps, including 2 resets, run finished after 11 ms. (steps per millisecond=91 ) properties (out of 33) seen :2
Incomplete Best-First random walk after 1001 steps, including 2 resets, run finished after 23 ms. (steps per millisecond=43 ) properties (out of 31) seen :0
Incomplete Best-First random walk after 1000 steps, including 2 resets, run finished after 9 ms. (steps per millisecond=111 ) properties (out of 31) seen :0
Incomplete Best-First random walk after 1001 steps, including 2 resets, run finished after 17 ms. (steps per millisecond=58 ) properties (out of 31) seen :0
Incomplete Best-First random walk after 1001 steps, including 2 resets, run finished after 13 ms. (steps per millisecond=77 ) properties (out of 31) seen :0
Incomplete Best-First random walk after 1001 steps, including 2 resets, run finished after 13 ms. (steps per millisecond=77 ) properties (out of 31) seen :0
Incomplete Best-First random walk after 1001 steps, including 2 resets, run finished after 13 ms. (steps per millisecond=77 ) properties (out of 31) seen :0
Incomplete Best-First random walk after 1000 steps, including 2 resets, run finished after 13 ms. (steps per millisecond=76 ) properties (out of 31) seen :0
Incomplete Best-First random walk after 1001 steps, including 2 resets, run finished after 12 ms. (steps per millisecond=83 ) properties (out of 31) seen :0
Incomplete Best-First random walk after 1000 steps, including 2 resets, run finished after 18 ms. (steps per millisecond=55 ) properties (out of 31) seen :0
Incomplete Best-First random walk after 1000 steps, including 2 resets, run finished after 16 ms. (steps per millisecond=62 ) properties (out of 31) seen :0
Incomplete Best-First random walk after 1001 steps, including 2 resets, run finished after 14 ms. (steps per millisecond=71 ) properties (out of 31) seen :0
Incomplete Best-First random walk after 1000 steps, including 2 resets, run finished after 12 ms. (steps per millisecond=83 ) properties (out of 31) seen :0
Incomplete Best-First random walk after 1009 steps, including 2 resets, run finished after 13 ms. (steps per millisecond=77 ) properties (out of 31) seen :0
Incomplete Best-First random walk after 1000 steps, including 2 resets, run finished after 12 ms. (steps per millisecond=83 ) properties (out of 31) seen :0
Incomplete Best-First random walk after 1001 steps, including 2 resets, run finished after 12 ms. (steps per millisecond=83 ) properties (out of 31) seen :0
Incomplete Best-First random walk after 1000 steps, including 2 resets, run finished after 12 ms. (steps per millisecond=83 ) properties (out of 31) seen :0
Incomplete Best-First random walk after 1001 steps, including 2 resets, run finished after 11 ms. (steps per millisecond=91 ) properties (out of 31) seen :0
Incomplete Best-First random walk after 1001 steps, including 2 resets, run finished after 12 ms. (steps per millisecond=83 ) properties (out of 31) seen :0
Incomplete Best-First random walk after 1000 steps, including 2 resets, run finished after 9 ms. (steps per millisecond=111 ) properties (out of 31) seen :0
Incomplete Best-First random walk after 1000 steps, including 2 resets, run finished after 16 ms. (steps per millisecond=62 ) properties (out of 31) seen :0
Incomplete Best-First random walk after 1000 steps, including 2 resets, run finished after 9 ms. (steps per millisecond=111 ) properties (out of 31) seen :0
Incomplete Best-First random walk after 1001 steps, including 2 resets, run finished after 12 ms. (steps per millisecond=83 ) properties (out of 31) seen :0
Incomplete Best-First random walk after 1000 steps, including 2 resets, run finished after 9 ms. (steps per millisecond=111 ) properties (out of 31) seen :0
Incomplete Best-First random walk after 1009 steps, including 2 resets, run finished after 9 ms. (steps per millisecond=112 ) properties (out of 31) seen :0
Incomplete Best-First random walk after 1000 steps, including 2 resets, run finished after 13 ms. (steps per millisecond=76 ) properties (out of 31) seen :0
Incomplete Best-First random walk after 1001 steps, including 2 resets, run finished after 11 ms. (steps per millisecond=91 ) properties (out of 31) seen :0
Incomplete Best-First random walk after 1000 steps, including 2 resets, run finished after 13 ms. (steps per millisecond=76 ) properties (out of 31) seen :0
Running SMT prover for 31 properties.
[2023-03-12 06:24:42] [INFO ] Flow matrix only has 130 transitions (discarded 418 similar events)
[2023-03-12 06:24:42] [INFO ] Invariant cache hit.
[2023-03-12 06:24:43] [INFO ] [Real]Absence check using 7 positive place invariants in 1 ms returned sat
[2023-03-12 06:24:43] [INFO ] After 91ms SMT Verify possible using all constraints in real domain returned unsat :18 sat :0 real:13
[2023-03-12 06:24:43] [INFO ] [Nat]Absence check using 7 positive place invariants in 1 ms returned sat
[2023-03-12 06:24:43] [INFO ] After 44ms SMT Verify possible using all constraints in natural domain returned unsat :31 sat :0
Fused 31 Parikh solutions to 0 different solutions.
Parikh walk visited 0 properties in 0 ms.
Successfully simplified 31 atomic propositions for a total of 7 simplifications.
[2023-03-12 06:24:43] [INFO ] Flatten gal took : 34 ms
[2023-03-12 06:24:43] [INFO ] Flatten gal took : 35 ms
[2023-03-12 06:24:43] [INFO ] Input system was already deterministic with 548 transitions.
Computed a total of 51 stabilizing places and 84 stable transitions
Graph (complete) has 1190 edges and 68 vertex of which 66 are kept as prefixes of interest. Removing 2 places using SCC suffix rule.6 ms
Starting structural reductions in LTL mode, iteration 0 : 68/68 places, 548/548 transitions.
Reduce places removed 1 places and 0 transitions.
Iterating post reduction 0 with 1 rules applied. Total rules applied 1 place count 67 transition count 548
Applied a total of 1 rules in 7 ms. Remains 67 /68 variables (removed 1) and now considering 548/548 (removed 0) transitions.
[2023-03-12 06:24:43] [INFO ] Flow matrix only has 130 transitions (discarded 418 similar events)
// Phase 1: matrix 130 rows 67 cols
[2023-03-12 06:24:43] [INFO ] Computed 6 place invariants in 5 ms
[2023-03-12 06:24:43] [INFO ] Dead Transitions using invariants and state equation in 178 ms found 0 transitions.
Finished structural reductions in LTL mode , in 1 iterations and 188 ms. Remains : 67/68 places, 548/548 transitions.
[2023-03-12 06:24:43] [INFO ] Flatten gal took : 26 ms
[2023-03-12 06:24:43] [INFO ] Flatten gal took : 28 ms
[2023-03-12 06:24:43] [INFO ] Input system was already deterministic with 548 transitions.
Starting structural reductions in LTL mode, iteration 0 : 68/68 places, 548/548 transitions.
Reduce places removed 1 places and 0 transitions.
Iterating post reduction 0 with 1 rules applied. Total rules applied 1 place count 67 transition count 548
Applied a total of 1 rules in 6 ms. Remains 67 /68 variables (removed 1) and now considering 548/548 (removed 0) transitions.
[2023-03-12 06:24:43] [INFO ] Flow matrix only has 130 transitions (discarded 418 similar events)
[2023-03-12 06:24:43] [INFO ] Invariant cache hit.
[2023-03-12 06:24:43] [INFO ] Dead Transitions using invariants and state equation in 192 ms found 0 transitions.
Finished structural reductions in LTL mode , in 1 iterations and 203 ms. Remains : 67/68 places, 548/548 transitions.
[2023-03-12 06:24:43] [INFO ] Flatten gal took : 21 ms
[2023-03-12 06:24:43] [INFO ] Flatten gal took : 20 ms
[2023-03-12 06:24:43] [INFO ] Input system was already deterministic with 548 transitions.
Starting structural reductions in LTL mode, iteration 0 : 68/68 places, 548/548 transitions.
Reduce places removed 2 places and 0 transitions.
Iterating post reduction 0 with 2 rules applied. Total rules applied 2 place count 66 transition count 548
Discarding 1 places :
Symmetric choice reduction at 1 with 1 rule applications. Total rules 3 place count 65 transition count 547
Iterating global reduction 1 with 1 rules applied. Total rules applied 4 place count 65 transition count 547
Applied a total of 4 rules in 14 ms. Remains 65 /68 variables (removed 3) and now considering 547/548 (removed 1) transitions.
[2023-03-12 06:24:43] [INFO ] Flow matrix only has 129 transitions (discarded 418 similar events)
// Phase 1: matrix 129 rows 65 cols
[2023-03-12 06:24:43] [INFO ] Computed 5 place invariants in 2 ms
[2023-03-12 06:24:44] [INFO ] Dead Transitions using invariants and state equation in 186 ms found 0 transitions.
Finished structural reductions in LTL mode , in 1 iterations and 201 ms. Remains : 65/68 places, 547/548 transitions.
[2023-03-12 06:24:44] [INFO ] Flatten gal took : 17 ms
[2023-03-12 06:24:44] [INFO ] Flatten gal took : 18 ms
[2023-03-12 06:24:44] [INFO ] Input system was already deterministic with 547 transitions.
Starting structural reductions in SI_CTL mode, iteration 0 : 68/68 places, 548/548 transitions.
Graph (complete) has 1190 edges and 68 vertex of which 66 are kept as prefixes of interest. Removing 2 places using SCC suffix rule.4 ms
Discarding 2 places :
Also discarding 0 output transitions
Discarding 1 places :
Symmetric choice reduction at 0 with 1 rule applications. Total rules 2 place count 65 transition count 547
Iterating global reduction 0 with 1 rules applied. Total rules applied 3 place count 65 transition count 547
Applied a total of 3 rules in 60 ms. Remains 65 /68 variables (removed 3) and now considering 547/548 (removed 1) transitions.
[2023-03-12 06:24:44] [INFO ] Flow matrix only has 129 transitions (discarded 418 similar events)
[2023-03-12 06:24:44] [INFO ] Invariant cache hit.
[2023-03-12 06:24:44] [INFO ] Dead Transitions using invariants and state equation in 176 ms found 0 transitions.
Finished structural reductions in SI_CTL mode , in 1 iterations and 238 ms. Remains : 65/68 places, 547/548 transitions.
[2023-03-12 06:24:44] [INFO ] Flatten gal took : 19 ms
[2023-03-12 06:24:44] [INFO ] Flatten gal took : 18 ms
[2023-03-12 06:24:44] [INFO ] Input system was already deterministic with 547 transitions.
Incomplete random walk after 10000 steps, including 56 resets, run finished after 37 ms. (steps per millisecond=270 ) properties (out of 1) seen :0
Incomplete Best-First random walk after 10001 steps, including 20 resets, run finished after 13 ms. (steps per millisecond=769 ) properties (out of 1) seen :0
Finished probabilistic random walk after 166 steps, run visited all 1 properties in 10 ms. (steps per millisecond=16 )
Probabilistic random walk after 166 steps, saw 126 distinct states, run finished after 10 ms. (steps per millisecond=16 ) properties seen :1
FORMULA BridgeAndVehicles-COL-V20P10N10-CTLCardinality-08 TRUE TECHNIQUES TOPOLOGICAL PROBABILISTIC_WALK
Starting structural reductions in SI_CTL mode, iteration 0 : 68/68 places, 548/548 transitions.
Graph (complete) has 1190 edges and 68 vertex of which 67 are kept as prefixes of interest. Removing 1 places using SCC suffix rule.2 ms
Discarding 1 places :
Also discarding 0 output transitions
Applied a total of 1 rules in 23 ms. Remains 67 /68 variables (removed 1) and now considering 548/548 (removed 0) transitions.
[2023-03-12 06:24:44] [INFO ] Flow matrix only has 130 transitions (discarded 418 similar events)
// Phase 1: matrix 130 rows 67 cols
[2023-03-12 06:24:44] [INFO ] Computed 6 place invariants in 2 ms
[2023-03-12 06:24:44] [INFO ] Dead Transitions using invariants and state equation in 220 ms found 0 transitions.
Finished structural reductions in SI_CTL mode , in 1 iterations and 245 ms. Remains : 67/68 places, 548/548 transitions.
[2023-03-12 06:24:44] [INFO ] Flatten gal took : 17 ms
[2023-03-12 06:24:44] [INFO ] Flatten gal took : 18 ms
[2023-03-12 06:24:44] [INFO ] Input system was already deterministic with 548 transitions.
Starting structural reductions in LTL mode, iteration 0 : 68/68 places, 548/548 transitions.
Reduce places removed 2 places and 0 transitions.
Iterating post reduction 0 with 2 rules applied. Total rules applied 2 place count 66 transition count 548
Discarding 1 places :
Symmetric choice reduction at 1 with 1 rule applications. Total rules 3 place count 65 transition count 547
Iterating global reduction 1 with 1 rules applied. Total rules applied 4 place count 65 transition count 547
Applied a total of 4 rules in 17 ms. Remains 65 /68 variables (removed 3) and now considering 547/548 (removed 1) transitions.
[2023-03-12 06:24:44] [INFO ] Flow matrix only has 129 transitions (discarded 418 similar events)
// Phase 1: matrix 129 rows 65 cols
[2023-03-12 06:24:44] [INFO ] Computed 5 place invariants in 1 ms
[2023-03-12 06:24:45] [INFO ] Dead Transitions using invariants and state equation in 333 ms found 0 transitions.
Finished structural reductions in LTL mode , in 1 iterations and 351 ms. Remains : 65/68 places, 547/548 transitions.
[2023-03-12 06:24:45] [INFO ] Flatten gal took : 23 ms
[2023-03-12 06:24:45] [INFO ] Flatten gal took : 22 ms
[2023-03-12 06:24:45] [INFO ] Input system was already deterministic with 547 transitions.
Starting structural reductions in LTL mode, iteration 0 : 68/68 places, 548/548 transitions.
Applied a total of 0 rules in 3 ms. Remains 68 /68 variables (removed 0) and now considering 548/548 (removed 0) transitions.
[2023-03-12 06:24:45] [INFO ] Flow matrix only has 130 transitions (discarded 418 similar events)
// Phase 1: matrix 130 rows 68 cols
[2023-03-12 06:24:45] [INFO ] Computed 7 place invariants in 6 ms
[2023-03-12 06:24:45] [INFO ] Dead Transitions using invariants and state equation in 280 ms found 0 transitions.
Finished structural reductions in LTL mode , in 1 iterations and 288 ms. Remains : 68/68 places, 548/548 transitions.
[2023-03-12 06:24:45] [INFO ] Flatten gal took : 13 ms
[2023-03-12 06:24:45] [INFO ] Flatten gal took : 16 ms
[2023-03-12 06:24:45] [INFO ] Input system was already deterministic with 548 transitions.
[2023-03-12 06:24:45] [INFO ] Flatten gal took : 14 ms
[2023-03-12 06:24:45] [INFO ] Flatten gal took : 16 ms
[2023-03-12 06:24:45] [INFO ] Export to MCC of 6 properties in file /home/mcc/execution/CTLCardinality.sr.xml took 1 ms.
[2023-03-12 06:24:45] [INFO ] Export to PNML in file /home/mcc/execution/model.sr.pnml of net with 68 places, 548 transitions and 4070 arcs took 9 ms.
Total runtime 7124 ms.
There are residual formulas that ITS could not solve within timeout
pnml2lts-sym model.pnml --lace-workers=4 --vset=lddmc --saturation=sat -rbs,w2W,ru,hf --sylvan-sizes=20,28,20,28 --ctl=/tmp/518/ctl_0_ --ctl=/tmp/518/ctl_1_ --ctl=/tmp/518/ctl_2_ --ctl=/tmp/518/ctl_3_ --ctl=/tmp/518/ctl_4_ --ctl=/tmp/518/ctl_5_ --mu-par --mu-opt
TIME LIMIT: Killed by timeout after 3570 seconds
MemTotal: 16393356 kB
MemFree: 206236 kB
After kill :
MemTotal: 16393356 kB
MemFree: 16095448 kB
FORMULA BridgeAndVehicles-COL-V20P10N10-CTLCardinality-00 FALSE TECHNIQUES DECISION_DIAGRAMS PARALLEL_PROCESSING USE_NUPN
Could not compute solution for formula : BridgeAndVehicles-COL-V20P10N10-CTLCardinality-03
Could not compute solution for formula : BridgeAndVehicles-COL-V20P10N10-CTLCardinality-05
Could not compute solution for formula : BridgeAndVehicles-COL-V20P10N10-CTLCardinality-10
FORMULA BridgeAndVehicles-COL-V20P10N10-CTLCardinality-11 TRUE TECHNIQUES DECISION_DIAGRAMS PARALLEL_PROCESSING USE_NUPN
FORMULA BridgeAndVehicles-COL-V20P10N10-CTLCardinality-12 FALSE TECHNIQUES DECISION_DIAGRAMS PARALLEL_PROCESSING USE_NUPN

BK_STOP 1678605857381

--------------------
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
mcc2023
ctl formula name BridgeAndVehicles-COL-V20P10N10-CTLCardinality-00
ctl formula formula --ctl=/tmp/518/ctl_0_
ctl formula name BridgeAndVehicles-COL-V20P10N10-CTLCardinality-03
ctl formula formula --ctl=/tmp/518/ctl_1_
ctl formula name BridgeAndVehicles-COL-V20P10N10-CTLCardinality-05
ctl formula formula --ctl=/tmp/518/ctl_2_
ctl formula name BridgeAndVehicles-COL-V20P10N10-CTLCardinality-10
ctl formula formula --ctl=/tmp/518/ctl_3_
ctl formula name BridgeAndVehicles-COL-V20P10N10-CTLCardinality-11
ctl formula formula --ctl=/tmp/518/ctl_4_
ctl formula name BridgeAndVehicles-COL-V20P10N10-CTLCardinality-12
ctl formula formula --ctl=/tmp/518/ctl_5_
pnml2lts-sym: Exploration order is bfs-prev
pnml2lts-sym: Saturation strategy is sat
pnml2lts-sym: Guided search strategy is unguided
pnml2lts-sym: Attractor strategy is default
pnml2lts-sym: opening model.pnml
pnml2lts-sym: Edge label is id
Warning: program compiled against libxml 210 using older 209
pnml2lts-sym: Petri net has 68 places, 548 transitions and 4070 arcs
pnml2lts-sym: Petri net Petri analyzed
pnml2lts-sym: There are no safe places
pnml2lts-sym: Loading Petri net took 0.010 real 0.010 user 0.000 sys
pnml2lts-sym: Initializing regrouping layer
pnml2lts-sym: Regroup specification: bs,w2W,ru,hf
pnml2lts-sym: Regroup Boost's Sloan
pnml2lts-sym: Regroup over-approximate must-write to may-write
pnml2lts-sym: Regroup Row sUbsume
pnml2lts-sym: Reqroup Horizontal Flip
pnml2lts-sym: Regrouping: 548->508 groups
pnml2lts-sym: Regrouping took 0.140 real 0.130 user 0.000 sys
pnml2lts-sym: state vector length is 68; there are 508 groups
pnml2lts-sym: Creating a multi-core ListDD domain.
pnml2lts-sym: Sylvan allocates 15.000 GB virtual memory for nodes table and operation cache.
pnml2lts-sym: Initial nodes table and operation cache requires 60.00 MB.
pnml2lts-sym: Using GBgetTransitionsShortR2W as next-state function
pnml2lts-sym: got initial state
pnml2lts-sym: parsing CTL formula
pnml2lts-sym: converting CTL to mu-calculus...
pnml2lts-sym: parsing CTL formula
pnml2lts-sym: converting CTL to mu-calculus...
pnml2lts-sym: parsing CTL formula
pnml2lts-sym: converting CTL to mu-calculus...
pnml2lts-sym: parsing CTL formula
pnml2lts-sym: converting CTL to mu-calculus...
pnml2lts-sym: parsing CTL formula
pnml2lts-sym: converting CTL to mu-calculus...
pnml2lts-sym: parsing CTL formula
pnml2lts-sym: converting CTL to mu-calculus...
pnml2lts-sym: vset_sylvan: starting garbage collection
pnml2lts-sym: vset_sylvan: garbage collection done
pnml2lts-sym: vset_sylvan: starting garbage collection
pnml2lts-sym: vset_sylvan: garbage collection done
pnml2lts-sym: Exploration took 161396406 group checks and 0 next state calls
pnml2lts-sym: reachability took 794.540 real 3171.260 user 3.590 sys
pnml2lts-sym: counting visited states...
pnml2lts-sym: counting took 0.100 real 0.400 user 0.000 sys
pnml2lts-sym: state space has 6732570 states, 1327167 nodes
pnml2lts-sym: vset_sylvan: starting garbage collection
pnml2lts-sym: vset_sylvan: garbage collection done
pnml2lts-sym: vset_sylvan: starting garbage collection
pnml2lts-sym: vset_sylvan: garbage collection done
pnml2lts-sym: vset_sylvan: starting garbage collection
pnml2lts-sym: vset_sylvan: garbage collection done
pnml2lts-sym: Formula /tmp/518/ctl_0_ does not hold for the initial state
pnml2lts-sym: vset_sylvan: starting garbage collection
pnml2lts-sym: vset_sylvan: garbage collection done
pnml2lts-sym: vset_sylvan: starting garbage collection
pnml2lts-sym: vset_sylvan: garbage collection done
pnml2lts-sym: vset_sylvan: starting garbage collection
pnml2lts-sym: vset_sylvan: garbage collection done
pnml2lts-sym: Formula /tmp/518/ctl_5_ does not hold for the initial state
pnml2lts-sym: Formula /tmp/518/ctl_4_ holds for the initial state
pnml2lts-sym: vset_sylvan: starting garbage collection
pnml2lts-sym: vset_sylvan: garbage collection done
Killing (15) : 524
Killing (9) : 524

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="BridgeAndVehicles-COL-V20P10N10"
export BK_EXAMINATION="CTLCardinality"
export BK_TOOL="ltsminxred"
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 ltsminxred"
echo " Input is BridgeAndVehicles-COL-V20P10N10, 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 r041-tajo-167813694100017"
echo "====================================================================="
echo
echo "--------------------"
echo "preparation of the directory to be used:"

tar xzf /home/mcc/BenchKit/INPUTS/BridgeAndVehicles-COL-V20P10N10.tgz
mv BridgeAndVehicles-COL-V20P10N10 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 ;