fond
Model Checking Contest 2023
13th edition, Paris, France, April 26, 2023 (at TOOLympics II)
Execution of r039-tajo-167813692200169
Last Updated
May 14, 2023

About the Execution of LoLa+red for BridgeAndVehicles-PT-V10P10N10

Execution Summary
Max Memory
Used (MB)
Time wait (ms) CPU Usage (ms) I/O Wait (ms) Computed Result Execution
Status
355.063 12182.00 22416.00 65.60 TTFFFFFFTTFFTFFT 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.r039-tajo-167813692200169.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 lolaxred
Input is BridgeAndVehicles-PT-V10P10N10, examination is CTLCardinality
Time confinement is 3600 seconds
Memory confinement is 16384 MBytes
Number of cores is 4
Run identifier is r039-tajo-167813692200169
=====================================================================

--------------------
preparation of the directory to be used:
/home/mcc/execution
total 1.6M
-rw-r--r-- 1 mcc users 12K Feb 25 12:04 CTLCardinality.txt
-rw-r--r-- 1 mcc users 96K Feb 25 12:04 CTLCardinality.xml
-rw-r--r-- 1 mcc users 49K Feb 25 12:03 CTLFireability.txt
-rw-r--r-- 1 mcc users 218K Feb 25 12:03 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 5.1K Feb 25 15:35 LTLCardinality.txt
-rw-r--r-- 1 mcc users 28K Feb 25 15:35 LTLCardinality.xml
-rw-r--r-- 1 mcc users 18K Feb 25 15:35 LTLFireability.txt
-rw-r--r-- 1 mcc users 62K Feb 25 15:35 LTLFireability.xml
-rw-r--r-- 1 mcc users 26K Feb 25 12:09 ReachabilityCardinality.txt
-rw-r--r-- 1 mcc users 193K Feb 25 12:09 ReachabilityCardinality.xml
-rw-r--r-- 1 mcc users 118K Feb 25 12:08 ReachabilityFireability.txt
-rw-r--r-- 1 mcc users 526K Feb 25 12:08 ReachabilityFireability.xml
-rw-r--r-- 1 mcc users 2.5K Feb 25 15:35 UpperBounds.txt
-rw-r--r-- 1 mcc users 5.3K Feb 25 15:35 UpperBounds.xml
-rw-r--r-- 1 mcc users 5 Mar 5 18:22 equiv_col
-rw-r--r-- 1 mcc users 10 Mar 5 18:22 instance
-rw-r--r-- 1 mcc users 6 Mar 5 18:22 iscolored
-rw-r--r-- 1 mcc users 223K 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-PT-V10P10N10-CTLCardinality-00
FORMULA_NAME BridgeAndVehicles-PT-V10P10N10-CTLCardinality-01
FORMULA_NAME BridgeAndVehicles-PT-V10P10N10-CTLCardinality-02
FORMULA_NAME BridgeAndVehicles-PT-V10P10N10-CTLCardinality-03
FORMULA_NAME BridgeAndVehicles-PT-V10P10N10-CTLCardinality-04
FORMULA_NAME BridgeAndVehicles-PT-V10P10N10-CTLCardinality-05
FORMULA_NAME BridgeAndVehicles-PT-V10P10N10-CTLCardinality-06
FORMULA_NAME BridgeAndVehicles-PT-V10P10N10-CTLCardinality-07
FORMULA_NAME BridgeAndVehicles-PT-V10P10N10-CTLCardinality-08
FORMULA_NAME BridgeAndVehicles-PT-V10P10N10-CTLCardinality-09
FORMULA_NAME BridgeAndVehicles-PT-V10P10N10-CTLCardinality-10
FORMULA_NAME BridgeAndVehicles-PT-V10P10N10-CTLCardinality-11
FORMULA_NAME BridgeAndVehicles-PT-V10P10N10-CTLCardinality-12
FORMULA_NAME BridgeAndVehicles-PT-V10P10N10-CTLCardinality-13
FORMULA_NAME BridgeAndVehicles-PT-V10P10N10-CTLCardinality-14
FORMULA_NAME BridgeAndVehicles-PT-V10P10N10-CTLCardinality-15

=== Now, execution of the tool begins

BK_START 1678483360840

bash -c /home/mcc/BenchKit/BenchKit_head.sh 2> STDERR ; echo ; echo -n "BK_STOP " ; date -u +%s%3N
Invoking MCC driver with
BK_TOOL=lolaxred
BK_EXAMINATION=CTLCardinality
BK_BIN_PATH=/home/mcc/BenchKit/bin/
BK_TIME_CONFINEMENT=3600
BK_INPUT=BridgeAndVehicles-PT-V10P10N10
Applying reductions before tool lola
Invoking reducer
Running Version 202303021504
[2023-03-10 21:22:42] [INFO ] Running its-tools with arguments : [-pnfolder, /home/mcc/execution, -examination, CTLCardinality, -timeout, 360, -rebuildPNML]
[2023-03-10 21:22:42] [INFO ] Parsing pnml file : /home/mcc/execution/model.pnml
[2023-03-10 21:22:42] [INFO ] Load time of PNML (sax parser for PT used): 58 ms
[2023-03-10 21:22:42] [INFO ] Transformed 48 places.
[2023-03-10 21:22:42] [INFO ] Transformed 288 transitions.
[2023-03-10 21:22:42] [INFO ] Parsed PT model containing 48 places and 288 transitions and 2090 arcs in 118 ms.
Parsed 16 properties from file /home/mcc/execution/CTLCardinality.xml in 10 ms.
FORMULA BridgeAndVehicles-PT-V10P10N10-CTLCardinality-00 TRUE TECHNIQUES TOPOLOGICAL INITIAL_STATE
Support contains 43 out of 48 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 48/48 places, 288/288 transitions.
Applied a total of 0 rules in 11 ms. Remains 48 /48 variables (removed 0) and now considering 288/288 (removed 0) transitions.
[2023-03-10 21:22:42] [INFO ] Flow matrix only has 90 transitions (discarded 198 similar events)
// Phase 1: matrix 90 rows 48 cols
[2023-03-10 21:22:42] [INFO ] Computed 7 place invariants in 7 ms
[2023-03-10 21:22:42] [INFO ] Dead Transitions using invariants and state equation in 248 ms found 0 transitions.
[2023-03-10 21:22:42] [INFO ] Flow matrix only has 90 transitions (discarded 198 similar events)
[2023-03-10 21:22:42] [INFO ] Invariant cache hit.
[2023-03-10 21:22:42] [INFO ] Implicit Places using invariants in 29 ms returned []
[2023-03-10 21:22:42] [INFO ] Flow matrix only has 90 transitions (discarded 198 similar events)
[2023-03-10 21:22:42] [INFO ] Invariant cache hit.
[2023-03-10 21:22:42] [INFO ] State equation strengthened by 22 read => feed constraints.
[2023-03-10 21:22:42] [INFO ] Implicit Places using invariants and state equation in 56 ms returned []
Implicit Place search using SMT with State Equation took 86 ms to find 0 implicit places.
[2023-03-10 21:22:42] [INFO ] Flow matrix only has 90 transitions (discarded 198 similar events)
[2023-03-10 21:22:42] [INFO ] Invariant cache hit.
[2023-03-10 21:22:43] [INFO ] Dead Transitions using invariants and state equation in 116 ms found 0 transitions.
Finished structural reductions in LTL mode , in 1 iterations and 488 ms. Remains : 48/48 places, 288/288 transitions.
Support contains 43 out of 48 places after structural reductions.
[2023-03-10 21:22:43] [INFO ] Initial state reduction rules for CTL removed 1 formulas.
[2023-03-10 21:22:43] [INFO ] Flatten gal took : 59 ms
FORMULA BridgeAndVehicles-PT-V10P10N10-CTLCardinality-03 FALSE TECHNIQUES TOPOLOGICAL INITIAL_STATE
[2023-03-10 21:22:43] [INFO ] Flatten gal took : 25 ms
[2023-03-10 21:22:43] [INFO ] Input system was already deterministic with 288 transitions.
Incomplete random walk after 10000 steps, including 111 resets, run finished after 663 ms. (steps per millisecond=15 ) properties (out of 71) seen :24
Incomplete Best-First random walk after 1000 steps, including 5 resets, run finished after 20 ms. (steps per millisecond=50 ) properties (out of 47) seen :0
Incomplete Best-First random walk after 1001 steps, including 4 resets, run finished after 16 ms. (steps per millisecond=62 ) properties (out of 47) seen :3
Incomplete Best-First random walk after 1001 steps, including 4 resets, run finished after 18 ms. (steps per millisecond=55 ) properties (out of 44) seen :0
Incomplete Best-First random walk after 1001 steps, including 4 resets, run finished after 17 ms. (steps per millisecond=58 ) properties (out of 44) seen :0
Incomplete Best-First random walk after 1000 steps, including 4 resets, run finished after 19 ms. (steps per millisecond=52 ) properties (out of 44) seen :0
Incomplete Best-First random walk after 1000 steps, including 3 resets, run finished after 16 ms. (steps per millisecond=62 ) properties (out of 44) seen :0
Incomplete Best-First random walk after 1001 steps, including 5 resets, run finished after 22 ms. (steps per millisecond=45 ) properties (out of 44) seen :0
Incomplete Best-First random walk after 1001 steps, including 3 resets, run finished after 17 ms. (steps per millisecond=58 ) properties (out of 44) seen :0
Incomplete Best-First random walk after 1000 steps, including 4 resets, run finished after 23 ms. (steps per millisecond=43 ) properties (out of 44) seen :0
Incomplete Best-First random walk after 1000 steps, including 4 resets, run finished after 21 ms. (steps per millisecond=47 ) properties (out of 44) seen :0
Incomplete Best-First random walk after 1001 steps, including 3 resets, run finished after 14 ms. (steps per millisecond=71 ) properties (out of 44) seen :0
Incomplete Best-First random walk after 1000 steps, including 4 resets, run finished after 31 ms. (steps per millisecond=32 ) properties (out of 44) seen :0
Incomplete Best-First random walk after 1000 steps, including 3 resets, run finished after 13 ms. (steps per millisecond=76 ) properties (out of 44) seen :0
Incomplete Best-First random walk after 1000 steps, including 3 resets, run finished after 12 ms. (steps per millisecond=83 ) properties (out of 44) seen :0
Incomplete Best-First random walk after 1001 steps, including 5 resets, run finished after 16 ms. (steps per millisecond=62 ) properties (out of 44) seen :0
Incomplete Best-First random walk after 1001 steps, including 4 resets, run finished after 17 ms. (steps per millisecond=58 ) properties (out of 44) seen :0
Incomplete Best-First random walk after 1000 steps, including 3 resets, run finished after 15 ms. (steps per millisecond=66 ) properties (out of 44) seen :0
Incomplete Best-First random walk after 1000 steps, including 3 resets, run finished after 16 ms. (steps per millisecond=62 ) properties (out of 44) seen :0
Incomplete Best-First random walk after 1001 steps, including 4 resets, run finished after 18 ms. (steps per millisecond=55 ) properties (out of 44) seen :0
Incomplete Best-First random walk after 1000 steps, including 3 resets, run finished after 16 ms. (steps per millisecond=62 ) properties (out of 44) seen :0
Incomplete Best-First random walk after 1000 steps, including 3 resets, run finished after 25 ms. (steps per millisecond=40 ) properties (out of 44) seen :0
Incomplete Best-First random walk after 1001 steps, including 4 resets, run finished after 25 ms. (steps per millisecond=40 ) properties (out of 44) seen :0
Incomplete Best-First random walk after 1000 steps, including 3 resets, run finished after 19 ms. (steps per millisecond=52 ) properties (out of 44) seen :0
Incomplete Best-First random walk after 1000 steps, including 3 resets, run finished after 19 ms. (steps per millisecond=52 ) properties (out of 44) seen :0
Incomplete Best-First random walk after 1001 steps, including 4 resets, run finished after 24 ms. (steps per millisecond=41 ) properties (out of 44) seen :0
Incomplete Best-First random walk after 1001 steps, including 3 resets, run finished after 18 ms. (steps per millisecond=55 ) properties (out of 44) seen :0
Incomplete Best-First random walk after 1001 steps, including 3 resets, run finished after 18 ms. (steps per millisecond=55 ) properties (out of 44) seen :0
Incomplete Best-First random walk after 1000 steps, including 3 resets, run finished after 15 ms. (steps per millisecond=66 ) properties (out of 44) seen :0
Incomplete Best-First random walk after 1000 steps, including 3 resets, run finished after 15 ms. (steps per millisecond=66 ) properties (out of 44) seen :0
Incomplete Best-First random walk after 1000 steps, including 3 resets, run finished after 16 ms. (steps per millisecond=62 ) properties (out of 44) seen :0
Incomplete Best-First random walk after 1001 steps, including 3 resets, run finished after 15 ms. (steps per millisecond=66 ) properties (out of 44) seen :0
Incomplete Best-First random walk after 1001 steps, including 3 resets, run finished after 13 ms. (steps per millisecond=77 ) properties (out of 44) seen :0
Incomplete Best-First random walk after 1001 steps, including 4 resets, run finished after 14 ms. (steps per millisecond=71 ) properties (out of 44) seen :0
Incomplete Best-First random walk after 1001 steps, including 4 resets, run finished after 13 ms. (steps per millisecond=77 ) properties (out of 44) seen :0
Incomplete Best-First random walk after 1001 steps, including 3 resets, run finished after 9 ms. (steps per millisecond=111 ) properties (out of 44) seen :0
Incomplete Best-First random walk after 1000 steps, including 3 resets, run finished after 11 ms. (steps per millisecond=90 ) properties (out of 44) seen :0
Incomplete Best-First random walk after 1001 steps, including 3 resets, run finished after 11 ms. (steps per millisecond=91 ) properties (out of 44) seen :0
Incomplete Best-First random walk after 1001 steps, including 3 resets, run finished after 15 ms. (steps per millisecond=66 ) properties (out of 44) seen :0
Incomplete Best-First random walk after 1000 steps, including 4 resets, run finished after 13 ms. (steps per millisecond=76 ) properties (out of 44) seen :0
Incomplete Best-First random walk after 1001 steps, including 4 resets, run finished after 14 ms. (steps per millisecond=71 ) properties (out of 44) seen :0
Incomplete Best-First random walk after 1000 steps, including 3 resets, run finished after 15 ms. (steps per millisecond=66 ) properties (out of 44) seen :0
Incomplete Best-First random walk after 1001 steps, including 5 resets, run finished after 17 ms. (steps per millisecond=58 ) properties (out of 44) seen :0
Incomplete Best-First random walk after 1001 steps, including 3 resets, run finished after 14 ms. (steps per millisecond=71 ) properties (out of 44) seen :0
Incomplete Best-First random walk after 1001 steps, including 4 resets, run finished after 14 ms. (steps per millisecond=71 ) properties (out of 44) seen :0
Incomplete Best-First random walk after 1000 steps, including 3 resets, run finished after 13 ms. (steps per millisecond=76 ) properties (out of 44) seen :0
Running SMT prover for 44 properties.
[2023-03-10 21:22:44] [INFO ] Flow matrix only has 90 transitions (discarded 198 similar events)
[2023-03-10 21:22:44] [INFO ] Invariant cache hit.
[2023-03-10 21:22:45] [INFO ] [Real]Absence check using 7 positive place invariants in 1 ms returned sat
[2023-03-10 21:22:45] [INFO ] After 105ms SMT Verify possible using all constraints in real domain returned unsat :19 sat :0 real:25
[2023-03-10 21:22:45] [INFO ] [Nat]Absence check using 7 positive place invariants in 1 ms returned sat
[2023-03-10 21:22:45] [INFO ] After 25ms SMT Verify possible using state equation in natural domain returned unsat :43 sat :1
[2023-03-10 21:22:45] [INFO ] State equation strengthened by 22 read => feed constraints.
[2023-03-10 21:22:45] [INFO ] After 11ms SMT Verify possible using 22 Read/Feed constraints in natural domain returned unsat :43 sat :1
[2023-03-10 21:22:45] [INFO ] After 30ms SMT Verify possible using trap constraints in natural domain returned unsat :43 sat :1
Attempting to minimize the solution found.
Minimization took 11 ms.
[2023-03-10 21:22:45] [INFO ] After 129ms SMT Verify possible using all constraints in natural domain returned unsat :43 sat :1
Fused 44 Parikh solutions to 1 different solutions.
Parikh walk visited 0 properties in 2 ms.
Support contains 2 out of 48 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 48/48 places, 288/288 transitions.
Graph (complete) has 342 edges and 48 vertex of which 46 are kept as prefixes of interest. Removing 2 places using SCC suffix rule.1 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 45 transition count 287
Iterating global reduction 0 with 1 rules applied. Total rules applied 3 place count 45 transition count 287
Applied a total of 3 rules in 31 ms. Remains 45 /48 variables (removed 3) and now considering 287/288 (removed 1) transitions.
[2023-03-10 21:22:45] [INFO ] Flow matrix only has 89 transitions (discarded 198 similar events)
// Phase 1: matrix 89 rows 45 cols
[2023-03-10 21:22:45] [INFO ] Computed 5 place invariants in 2 ms
[2023-03-10 21:22:45] [INFO ] Dead Transitions using invariants and state equation in 128 ms found 0 transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 161 ms. Remains : 45/48 places, 287/288 transitions.
Incomplete random walk after 10000 steps, including 110 resets, run finished after 25 ms. (steps per millisecond=400 ) properties (out of 1) seen :0
Finished Best-First random walk after 2516 steps, including 9 resets, run visited all 1 properties in 4 ms. (steps per millisecond=629 )
Successfully simplified 43 atomic propositions for a total of 14 simplifications.
FORMULA BridgeAndVehicles-PT-V10P10N10-CTLCardinality-04 FALSE TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA BridgeAndVehicles-PT-V10P10N10-CTLCardinality-09 TRUE TECHNIQUES TOPOLOGICAL INITIAL_STATE
[2023-03-10 21:22:45] [INFO ] Initial state reduction rules for CTL removed 3 formulas.
[2023-03-10 21:22:45] [INFO ] Flatten gal took : 15 ms
FORMULA BridgeAndVehicles-PT-V10P10N10-CTLCardinality-11 FALSE TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA BridgeAndVehicles-PT-V10P10N10-CTLCardinality-10 FALSE TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA BridgeAndVehicles-PT-V10P10N10-CTLCardinality-06 FALSE TECHNIQUES TOPOLOGICAL INITIAL_STATE
[2023-03-10 21:22:45] [INFO ] Flatten gal took : 15 ms
[2023-03-10 21:22:45] [INFO ] Input system was already deterministic with 288 transitions.
Support contains 24 out of 48 places (down from 29) after GAL structural reductions.
Computed a total of 31 stabilizing places and 44 stable transitions
Graph (complete) has 670 edges and 48 vertex of which 46 are kept as prefixes of interest. Removing 2 places using SCC suffix rule.3 ms
Starting structural reductions in SI_CTL mode, iteration 0 : 48/48 places, 288/288 transitions.
Applied a total of 0 rules in 14 ms. Remains 48 /48 variables (removed 0) and now considering 288/288 (removed 0) transitions.
[2023-03-10 21:22:45] [INFO ] Flow matrix only has 90 transitions (discarded 198 similar events)
// Phase 1: matrix 90 rows 48 cols
[2023-03-10 21:22:45] [INFO ] Computed 7 place invariants in 5 ms
[2023-03-10 21:22:45] [INFO ] Dead Transitions using invariants and state equation in 119 ms found 0 transitions.
Finished structural reductions in SI_CTL mode , in 1 iterations and 135 ms. Remains : 48/48 places, 288/288 transitions.
[2023-03-10 21:22:45] [INFO ] Flatten gal took : 13 ms
[2023-03-10 21:22:45] [INFO ] Flatten gal took : 14 ms
[2023-03-10 21:22:45] [INFO ] Input system was already deterministic with 288 transitions.
Finished random walk after 84 steps, including 0 resets, run visited all 1 properties in 2 ms. (steps per millisecond=42 )
FORMULA BridgeAndVehicles-PT-V10P10N10-CTLCardinality-01 TRUE TECHNIQUES TOPOLOGICAL RANDOM_WALK
Starting structural reductions in LTL mode, iteration 0 : 48/48 places, 288/288 transitions.
Reduce places removed 2 places and 0 transitions.
Iterating post reduction 0 with 2 rules applied. Total rules applied 2 place count 46 transition count 288
Discarding 1 places :
Symmetric choice reduction at 1 with 1 rule applications. Total rules 3 place count 45 transition count 287
Iterating global reduction 1 with 1 rules applied. Total rules applied 4 place count 45 transition count 287
Applied a total of 4 rules in 6 ms. Remains 45 /48 variables (removed 3) and now considering 287/288 (removed 1) transitions.
[2023-03-10 21:22:45] [INFO ] Flow matrix only has 89 transitions (discarded 198 similar events)
// Phase 1: matrix 89 rows 45 cols
[2023-03-10 21:22:45] [INFO ] Computed 5 place invariants in 2 ms
[2023-03-10 21:22:45] [INFO ] Dead Transitions using invariants and state equation in 107 ms found 0 transitions.
Finished structural reductions in LTL mode , in 1 iterations and 116 ms. Remains : 45/48 places, 287/288 transitions.
[2023-03-10 21:22:45] [INFO ] Flatten gal took : 12 ms
[2023-03-10 21:22:45] [INFO ] Flatten gal took : 13 ms
[2023-03-10 21:22:45] [INFO ] Input system was already deterministic with 287 transitions.
Starting structural reductions in LTL mode, iteration 0 : 48/48 places, 288/288 transitions.
Reduce places removed 2 places and 0 transitions.
Iterating post reduction 0 with 2 rules applied. Total rules applied 2 place count 46 transition count 288
Discarding 1 places :
Symmetric choice reduction at 1 with 1 rule applications. Total rules 3 place count 45 transition count 287
Iterating global reduction 1 with 1 rules applied. Total rules applied 4 place count 45 transition count 287
Applied a total of 4 rules in 5 ms. Remains 45 /48 variables (removed 3) and now considering 287/288 (removed 1) transitions.
[2023-03-10 21:22:45] [INFO ] Flow matrix only has 89 transitions (discarded 198 similar events)
[2023-03-10 21:22:45] [INFO ] Invariant cache hit.
[2023-03-10 21:22:45] [INFO ] Dead Transitions using invariants and state equation in 108 ms found 0 transitions.
Finished structural reductions in LTL mode , in 1 iterations and 114 ms. Remains : 45/48 places, 287/288 transitions.
[2023-03-10 21:22:45] [INFO ] Flatten gal took : 9 ms
[2023-03-10 21:22:45] [INFO ] Flatten gal took : 10 ms
[2023-03-10 21:22:45] [INFO ] Input system was already deterministic with 287 transitions.
Starting structural reductions in SI_CTL mode, iteration 0 : 48/48 places, 288/288 transitions.
Graph (complete) has 670 edges and 48 vertex of which 46 are kept as prefixes of interest. Removing 2 places using SCC suffix rule.2 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 45 transition count 287
Iterating global reduction 0 with 1 rules applied. Total rules applied 3 place count 45 transition count 287
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 2 places and 0 transitions.
Iterating global reduction 0 with 3 rules applied. Total rules applied 6 place count 43 transition count 286
Performed 2 Post agglomeration using F-continuation condition.Transition count delta: 2
Deduced a syphon composed of 2 places in 1 ms
Reduce places removed 2 places and 0 transitions.
Iterating global reduction 0 with 4 rules applied. Total rules applied 10 place count 41 transition count 284
Applied a total of 10 rules in 27 ms. Remains 41 /48 variables (removed 7) and now considering 284/288 (removed 4) transitions.
Finished structural reductions in SI_CTL mode , in 1 iterations and 27 ms. Remains : 41/48 places, 284/288 transitions.
[2023-03-10 21:22:46] [INFO ] Flatten gal took : 9 ms
[2023-03-10 21:22:46] [INFO ] Flatten gal took : 10 ms
[2023-03-10 21:22:46] [INFO ] Input system was already deterministic with 284 transitions.
Starting structural reductions in LTL mode, iteration 0 : 48/48 places, 288/288 transitions.
Reduce places removed 2 places and 0 transitions.
Iterating post reduction 0 with 2 rules applied. Total rules applied 2 place count 46 transition count 288
Discarding 1 places :
Symmetric choice reduction at 1 with 1 rule applications. Total rules 3 place count 45 transition count 287
Iterating global reduction 1 with 1 rules applied. Total rules applied 4 place count 45 transition count 287
Applied a total of 4 rules in 4 ms. Remains 45 /48 variables (removed 3) and now considering 287/288 (removed 1) transitions.
[2023-03-10 21:22:46] [INFO ] Flow matrix only has 89 transitions (discarded 198 similar events)
[2023-03-10 21:22:46] [INFO ] Invariant cache hit.
[2023-03-10 21:22:46] [INFO ] Dead Transitions using invariants and state equation in 104 ms found 0 transitions.
Finished structural reductions in LTL mode , in 1 iterations and 111 ms. Remains : 45/48 places, 287/288 transitions.
[2023-03-10 21:22:46] [INFO ] Flatten gal took : 11 ms
[2023-03-10 21:22:46] [INFO ] Flatten gal took : 11 ms
[2023-03-10 21:22:46] [INFO ] Input system was already deterministic with 287 transitions.
Starting structural reductions in LTL mode, iteration 0 : 48/48 places, 288/288 transitions.
Reduce places removed 2 places and 0 transitions.
Iterating post reduction 0 with 2 rules applied. Total rules applied 2 place count 46 transition count 288
Applied a total of 2 rules in 3 ms. Remains 46 /48 variables (removed 2) and now considering 288/288 (removed 0) transitions.
[2023-03-10 21:22:46] [INFO ] Flow matrix only has 90 transitions (discarded 198 similar events)
// Phase 1: matrix 90 rows 46 cols
[2023-03-10 21:22:46] [INFO ] Computed 5 place invariants in 1 ms
[2023-03-10 21:22:46] [INFO ] Dead Transitions using invariants and state equation in 104 ms found 0 transitions.
Finished structural reductions in LTL mode , in 1 iterations and 108 ms. Remains : 46/48 places, 288/288 transitions.
[2023-03-10 21:22:46] [INFO ] Flatten gal took : 10 ms
[2023-03-10 21:22:46] [INFO ] Flatten gal took : 10 ms
[2023-03-10 21:22:46] [INFO ] Input system was already deterministic with 288 transitions.
Starting structural reductions in SI_CTL mode, iteration 0 : 48/48 places, 288/288 transitions.
Graph (complete) has 670 edges and 48 vertex of which 46 are kept as prefixes of interest. Removing 2 places using SCC suffix rule.1 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 45 transition count 287
Iterating global reduction 0 with 1 rules applied. Total rules applied 3 place count 45 transition count 287
Applied a total of 3 rules in 15 ms. Remains 45 /48 variables (removed 3) and now considering 287/288 (removed 1) transitions.
[2023-03-10 21:22:46] [INFO ] Flow matrix only has 89 transitions (discarded 198 similar events)
// Phase 1: matrix 89 rows 45 cols
[2023-03-10 21:22:46] [INFO ] Computed 5 place invariants in 1 ms
[2023-03-10 21:22:46] [INFO ] Dead Transitions using invariants and state equation in 98 ms found 0 transitions.
Finished structural reductions in SI_CTL mode , in 1 iterations and 116 ms. Remains : 45/48 places, 287/288 transitions.
[2023-03-10 21:22:46] [INFO ] Flatten gal took : 7 ms
[2023-03-10 21:22:46] [INFO ] Flatten gal took : 8 ms
[2023-03-10 21:22:46] [INFO ] Input system was already deterministic with 287 transitions.
Starting structural reductions in LTL mode, iteration 0 : 48/48 places, 288/288 transitions.
Reduce places removed 2 places and 0 transitions.
Iterating post reduction 0 with 2 rules applied. Total rules applied 2 place count 46 transition count 288
Discarding 1 places :
Symmetric choice reduction at 1 with 1 rule applications. Total rules 3 place count 45 transition count 287
Iterating global reduction 1 with 1 rules applied. Total rules applied 4 place count 45 transition count 287
Applied a total of 4 rules in 4 ms. Remains 45 /48 variables (removed 3) and now considering 287/288 (removed 1) transitions.
[2023-03-10 21:22:46] [INFO ] Flow matrix only has 89 transitions (discarded 198 similar events)
[2023-03-10 21:22:46] [INFO ] Invariant cache hit.
[2023-03-10 21:22:46] [INFO ] Dead Transitions using invariants and state equation in 97 ms found 0 transitions.
Finished structural reductions in LTL mode , in 1 iterations and 104 ms. Remains : 45/48 places, 287/288 transitions.
[2023-03-10 21:22:46] [INFO ] Flatten gal took : 7 ms
[2023-03-10 21:22:46] [INFO ] Flatten gal took : 16 ms
[2023-03-10 21:22:46] [INFO ] Input system was already deterministic with 287 transitions.
Starting structural reductions in LTL mode, iteration 0 : 48/48 places, 288/288 transitions.
Reduce places removed 2 places and 0 transitions.
Iterating post reduction 0 with 2 rules applied. Total rules applied 2 place count 46 transition count 288
Discarding 1 places :
Symmetric choice reduction at 1 with 1 rule applications. Total rules 3 place count 45 transition count 287
Iterating global reduction 1 with 1 rules applied. Total rules applied 4 place count 45 transition count 287
Applied a total of 4 rules in 3 ms. Remains 45 /48 variables (removed 3) and now considering 287/288 (removed 1) transitions.
[2023-03-10 21:22:46] [INFO ] Flow matrix only has 89 transitions (discarded 198 similar events)
[2023-03-10 21:22:46] [INFO ] Invariant cache hit.
[2023-03-10 21:22:46] [INFO ] Dead Transitions using invariants and state equation in 98 ms found 0 transitions.
Finished structural reductions in LTL mode , in 1 iterations and 102 ms. Remains : 45/48 places, 287/288 transitions.
[2023-03-10 21:22:46] [INFO ] Flatten gal took : 9 ms
[2023-03-10 21:22:46] [INFO ] Flatten gal took : 9 ms
[2023-03-10 21:22:46] [INFO ] Input system was already deterministic with 287 transitions.
[2023-03-10 21:22:46] [INFO ] Flatten gal took : 9 ms
[2023-03-10 21:22:46] [INFO ] Flatten gal took : 9 ms
[2023-03-10 21:22:46] [INFO ] Export to MCC of 8 properties in file /home/mcc/execution/CTLCardinality.sr.xml took 2 ms.
[2023-03-10 21:22:46] [INFO ] Export to PNML in file /home/mcc/execution/model.sr.pnml of net with 48 places, 288 transitions and 2090 arcs took 3 ms.
Total runtime 4462 ms.
There are residual formulas that ITS could not solve within timeout
starting LoLA
BK_INPUT BridgeAndVehicles-PT-V10P10N10
BK_EXAMINATION: CTLCardinality
bin directory: /home/mcc/BenchKit/bin//../reducer/bin//../../lola/bin/
current directory: /home/mcc/execution/379

FORMULA BridgeAndVehicles-PT-V10P10N10-CTLCardinality-05 FALSE TECHNIQUES COLLATERAL_PROCESSING EXPLICIT TOPOLOGICAL STATE_COMPRESSION STUBBORN_SETS USE_NUPN UNFOLDING_TO_PT

FORMULA BridgeAndVehicles-PT-V10P10N10-CTLCardinality-12 TRUE TECHNIQUES COLLATERAL_PROCESSING EXPLICIT TOPOLOGICAL STATE_COMPRESSION STUBBORN_SETS USE_NUPN UNFOLDING_TO_PT

FORMULA BridgeAndVehicles-PT-V10P10N10-CTLCardinality-08 TRUE TECHNIQUES COLLATERAL_PROCESSING EXPLICIT TOPOLOGICAL STATE_COMPRESSION STUBBORN_SETS USE_NUPN UNFOLDING_TO_PT

FORMULA BridgeAndVehicles-PT-V10P10N10-CTLCardinality-02 FALSE TECHNIQUES COLLATERAL_PROCESSING EXPLICIT TOPOLOGICAL STATE_COMPRESSION STUBBORN_SETS USE_NUPN UNFOLDING_TO_PT

FORMULA BridgeAndVehicles-PT-V10P10N10-CTLCardinality-15 TRUE TECHNIQUES COLLATERAL_PROCESSING EXPLICIT TOPOLOGICAL STATE_COMPRESSION STUBBORN_SETS USE_NUPN UNFOLDING_TO_PT

FORMULA BridgeAndVehicles-PT-V10P10N10-CTLCardinality-13 FALSE TECHNIQUES COLLATERAL_PROCESSING EXPLICIT TOPOLOGICAL STATE_COMPRESSION STUBBORN_SETS USE_NUPN UNFOLDING_TO_PT

FORMULA BridgeAndVehicles-PT-V10P10N10-CTLCardinality-14 FALSE TECHNIQUES COLLATERAL_PROCESSING EXPLICIT TOPOLOGICAL STATE_COMPRESSION STUBBORN_SETS USE_NUPN UNFOLDING_TO_PT

FORMULA BridgeAndVehicles-PT-V10P10N10-CTLCardinality-07 FALSE TECHNIQUES COLLATERAL_PROCESSING EXPLICIT TOPOLOGICAL STATE_COMPRESSION STUBBORN_SETS USE_NUPN UNFOLDING_TO_PT

BK_STOP 1678483373022

--------------------
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
lola: MEM LIMIT 32
lola: MEM LIMIT 5
lola: NET
lola: input: PNML file (--pnmlnet)
lola: reading net from /home/mcc/execution/379/model.pnml
lola: reading pnml
lola: PNML file contains place/transition net
lola: finished parsing
lola: closed net file /home/mcc/execution/379/model.pnml
lola: Reading formula.
lola: Using XML format (--xmlformula)
lola: reading XML formula
lola: reading formula from /home/mcc/execution/379/CTLCardinality.xml
lola: rewrite Frontend/Parser/formula_rewrite.k:98
lola: rewrite Frontend/Parser/formula_rewrite.k:129
lola: rewrite Frontend/Parser/formula_rewrite.k:98
lola: rewrite Frontend/Parser/formula_rewrite.k:129
lola: rewrite Frontend/Parser/formula_rewrite.k:96
lola: rewrite Frontend/Parser/formula_rewrite.k:138
lola: Created skeleton in 0.000000 secs.
lola: Created skeleton in 0.000000 secs.
lola: Created skeleton in 0.000000 secs.
lola: Created skeleton in 0.000000 secs.
lola: Created skeleton in 0.000000 secs.
lola: Created skeleton in 0.000000 secs.
lola: Created skeleton in 0.000000 secs.
lola: Created skeleton in 0.000000 secs.
lola: Rule S: 0 transitions removed,0 places removed
lola: Created skeleton in 0.000000 secs.
lola: LAUNCH task # 4 (type EXCL) for 3 BridgeAndVehicles-PT-V10P10N10-CTLCardinality-05
lola: time limit : 400 sec
lola: memory limit: 32 pages
lola: rewrite Frontend/Parser/formula_rewrite.k:813
lola: rewrite Frontend/Parser/formula_rewrite.k:812
lola: rewrite Frontend/Parser/formula_rewrite.k:809
lola: rewrite Frontend/Parser/formula_rewrite.k:809
lola: rewrite Frontend/Parser/formula_rewrite.k:811
lola: rewrite Frontend/Parser/formula_rewrite.k:809
lola: rewrite Frontend/Parser/formula_rewrite.k:806
lola: rewrite Frontend/Parser/formula_rewrite.k:726
lola: rewrite Frontend/Parser/formula_rewrite.k:787
lola: rewrite Frontend/Parser/formula_rewrite.k:797
lola: rewrite Frontend/Parser/formula_rewrite.k:812
lola: rewrite Frontend/Parser/formula_rewrite.k:808
lola: rewrite Frontend/Parser/formula_rewrite.k:811
lola: rewrite Frontend/Parser/formula_rewrite.k:749
lola: rewrite Frontend/Parser/formula_rewrite.k:787
lola: rewrite Frontend/Parser/formula_rewrite.k:812
lola: rewrite Frontend/Parser/formula_rewrite.k:806
lola: rewrite Frontend/Parser/formula_rewrite.k:812
lola: rewrite Frontend/Parser/formula_rewrite.k:730
lola: FINISHED task # 4 (type EXCL) for BridgeAndVehicles-PT-V10P10N10-CTLCardinality-05
lola: result : false
lola: markings : 259536
lola: fired transitions : 821244
lola: time used : 1.000000
lola: memory pages used : 1
lola: LAUNCH task # 23 (type EXCL) for 18 BridgeAndVehicles-PT-V10P10N10-CTLCardinality-14
lola: time limit : 449 sec
lola: memory limit: 32 pages
lola: FINISHED task # 23 (type EXCL) for BridgeAndVehicles-PT-V10P10N10-CTLCardinality-14
lola: result : true
lola: markings : 3
lola: fired transitions : 2
lola: time used : 0.000000
lola: memory pages used : 1
lola: LAUNCH task # 13 (type EXCL) for 12 BridgeAndVehicles-PT-V10P10N10-CTLCardinality-12
lola: time limit : 514 sec
lola: memory limit: 32 pages
lola: FINISHED task # 13 (type EXCL) for BridgeAndVehicles-PT-V10P10N10-CTLCardinality-12
lola: result : true
lola: markings : 377
lola: fired transitions : 1216
lola: time used : 0.000000
lola: memory pages used : 1
lola: LAUNCH task # 10 (type EXCL) for 9 BridgeAndVehicles-PT-V10P10N10-CTLCardinality-08
lola: time limit : 599 sec
lola: memory limit: 32 pages
lola: FINISHED task # 10 (type EXCL) for BridgeAndVehicles-PT-V10P10N10-CTLCardinality-08
lola: result : true
lola: markings : 3001
lola: fired transitions : 8604
lola: time used : 0.000000
lola: memory pages used : 1
lola: LAUNCH task # 1 (type EXCL) for 0 BridgeAndVehicles-PT-V10P10N10-CTLCardinality-02
lola: time limit : 719 sec
lola: memory limit: 32 pages
lola: FINISHED task # 1 (type EXCL) for BridgeAndVehicles-PT-V10P10N10-CTLCardinality-02
lola: result : false
lola: markings : 259536
lola: fired transitions : 821244
lola: time used : 2.000000
lola: memory pages used : 1
lola: LAUNCH task # 26 (type EXCL) for 25 BridgeAndVehicles-PT-V10P10N10-CTLCardinality-15
lola: time limit : 899 sec
lola: memory limit: 32 pages
lola: FINISHED task # 26 (type EXCL) for BridgeAndVehicles-PT-V10P10N10-CTLCardinality-15
lola: result : true
lola: markings : 86
lola: fired transitions : 85
lola: time used : 0.000000
lola: memory pages used : 1
lola: LAUNCH task # 16 (type EXCL) for 15 BridgeAndVehicles-PT-V10P10N10-CTLCardinality-13
lola: time limit : 1199 sec
lola: memory limit: 32 pages
FINISHED FORMULA: CATEGORY VALUE PRODUCED BY
BridgeAndVehicles-PT-V10P10N10-CTLCardinality-02: EG false state space / EG
BridgeAndVehicles-PT-V10P10N10-CTLCardinality-05: EG false state space / EG
BridgeAndVehicles-PT-V10P10N10-CTLCardinality-08: CTL true CTL model checker
BridgeAndVehicles-PT-V10P10N10-CTLCardinality-12: CTL true CTL model checker
BridgeAndVehicles-PT-V10P10N10-CTLCardinality-15: EG true state space / EG

PENDING FORMULAS: CATEGORY IDL ACT RUN SUS FIN C/T C/M OBS
BridgeAndVehicles-PT-V10P10N10-CTLCardinality-07: EFAG 0 1 0 0 1 0 0 0
BridgeAndVehicles-PT-V10P10N10-CTLCardinality-13: EFEG 0 0 1 0 1 0 0 0
BridgeAndVehicles-PT-V10P10N10-CTLCardinality-14: CONJ 0 1 0 0 3 0 0 0

TASK CATEGORY TYPE TIME/TLIMIT MEM PG/PGLIMIT FORMULA STATUS
16 EFEG EXCL 2/1199 1/32 BridgeAndVehicles-PT-V10P10N10-CTLCardinality-13 194047 m, 38809 m/sec, 589631 t fired, .

Time elapsed: 5 secs. Pages in use: 1
# running tasks: 1 of 4 Visible: 8
lola: FINISHED task # 16 (type EXCL) for BridgeAndVehicles-PT-V10P10N10-CTLCardinality-13
lola: result : false
lola: markings : 242957
lola: fired transitions : 746517
lola: time used : 2.000000
lola: memory pages used : 1
lola: LAUNCH task # 29 (type EXCL) for 18 BridgeAndVehicles-PT-V10P10N10-CTLCardinality-14
lola: time limit : 1797 sec
lola: memory limit: 32 pages
lola: FINISHED task # 29 (type EXCL) for BridgeAndVehicles-PT-V10P10N10-CTLCardinality-14
lola: result : true
lola: markings : 66
lola: fired transitions : 65
lola: time used : 0.000000
lola: memory pages used : 1
lola: LAUNCH task # 28 (type EXCL) for 6 BridgeAndVehicles-PT-V10P10N10-CTLCardinality-07
lola: time limit : 3595 sec
lola: memory limit: 32 pages
lola: FINISHED task # 28 (type EXCL) for BridgeAndVehicles-PT-V10P10N10-CTLCardinality-07
lola: result : true
lola: markings : 59082
lola: fired transitions : 145543
lola: time used : 1.000000
lola: memory pages used : 1
lola: Portfolio finished: no open formulas

FINAL RESULTS
FINISHED FORMULA: CATEGORY VALUE PRODUCED BY
BridgeAndVehicles-PT-V10P10N10-CTLCardinality-02: EG false state space / EG
BridgeAndVehicles-PT-V10P10N10-CTLCardinality-05: EG false state space / EG
BridgeAndVehicles-PT-V10P10N10-CTLCardinality-07: EFAG false tscc_search
BridgeAndVehicles-PT-V10P10N10-CTLCardinality-08: CTL true CTL model checker
BridgeAndVehicles-PT-V10P10N10-CTLCardinality-12: CTL true CTL model checker
BridgeAndVehicles-PT-V10P10N10-CTLCardinality-13: EFEG false state space /EFEG
BridgeAndVehicles-PT-V10P10N10-CTLCardinality-14: CONJ false state space / EG
BridgeAndVehicles-PT-V10P10N10-CTLCardinality-15: EG true state space / EG


Time elapsed: 6 secs. Pages in use: 1

Sequence of Actions to be Executed by the VM

This is useful if one wants to reexecute the tool in the VM from the submitted image disk.

set -x
# this is for BenchKit: configuration of major elements for the test
export BK_INPUT="BridgeAndVehicles-PT-V10P10N10"
export BK_EXAMINATION="CTLCardinality"
export BK_TOOL="lolaxred"
export BK_RESULT_DIR="/tmp/BK_RESULTS/OUTPUTS"
export BK_TIME_CONFINEMENT="3600"
export BK_MEMORY_CONFINEMENT="16384"
export BK_BIN_PATH="/home/mcc/BenchKit/bin/"

# this is specific to your benchmark or test

export BIN_DIR="$HOME/BenchKit/bin"

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

# this is for BenchKit: explicit launching of the test
echo "====================================================================="
echo " Generated by BenchKit 2-5348"
echo " Executing tool lolaxred"
echo " Input is BridgeAndVehicles-PT-V10P10N10, 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 r039-tajo-167813692200169"
echo "====================================================================="
echo
echo "--------------------"
echo "preparation of the directory to be used:"

tar xzf /home/mcc/BenchKit/INPUTS/BridgeAndVehicles-PT-V10P10N10.tgz
mv BridgeAndVehicles-PT-V10P10N10 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 ;