fond
Model Checking Contest 2023
13th edition, Paris, France, April 26, 2023 (at TOOLympics II)
Execution of r297-tall-167873949800017
Last Updated
May 14, 2023

About the Execution of LTSMin+red for PhaseVariation-PT-D05CS010

Execution Summary
Max Memory
Used (MB)
Time wait (ms) CPU Usage (ms) I/O Wait (ms) Computed Result Execution
Status
15341.331 1017618.00 4051511.00 397.30 FTFTFTTFFFFFTTTT normal

Execution Chart

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

Trace from the execution

Formatting '/data/fkordon/mcc2023-input.r297-tall-167873949800017.qcow2', fmt=qcow2 size=4294967296 backing_file=/data/fkordon/mcc2023-input.qcow2 cluster_size=65536 lazy_refcounts=off refcount_bits=16
Waiting for the VM to be ready (probing ssh)
..........................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................
=====================================================================
Generated by BenchKit 2-5348
Executing tool ltsminxred
Input is PhaseVariation-PT-D05CS010, examination is CTLCardinality
Time confinement is 3600 seconds
Memory confinement is 16384 MBytes
Number of cores is 4
Run identifier is r297-tall-167873949800017
=====================================================================

--------------------
preparation of the directory to be used:
/home/mcc/execution
total 1.1M
-rw-r--r-- 1 mcc users 8.7K Feb 26 15:02 CTLCardinality.txt
-rw-r--r-- 1 mcc users 81K Feb 26 15:02 CTLCardinality.xml
-rw-r--r-- 1 mcc users 8.6K Feb 26 15:01 CTLFireability.txt
-rw-r--r-- 1 mcc users 56K Feb 26 15:01 CTLFireability.xml
-rw-r--r-- 1 mcc users 4.2K Jan 29 11:40 GenericPropertiesDefinition.xml
-rw-r--r-- 1 mcc users 6.1K Jan 29 11:40 GenericPropertiesVerdict.xml
-rw-r--r-- 1 mcc users 4.4K Feb 25 16:31 LTLCardinality.txt
-rw-r--r-- 1 mcc users 25K Feb 25 16:31 LTLCardinality.xml
-rw-r--r-- 1 mcc users 3.7K Feb 25 16:31 LTLFireability.txt
-rw-r--r-- 1 mcc users 19K Feb 25 16:31 LTLFireability.xml
-rw-r--r-- 1 mcc users 9.4K Feb 26 15:05 ReachabilityCardinality.txt
-rw-r--r-- 1 mcc users 74K Feb 26 15:05 ReachabilityCardinality.xml
-rw-r--r-- 1 mcc users 20K Feb 26 15:04 ReachabilityFireability.txt
-rw-r--r-- 1 mcc users 117K Feb 26 15:04 ReachabilityFireability.xml
-rw-r--r-- 1 mcc users 1.9K Feb 25 16:31 UpperBounds.txt
-rw-r--r-- 1 mcc users 3.9K Feb 25 16:31 UpperBounds.xml
-rw-r--r-- 1 mcc users 6 Mar 5 18:23 equiv_col
-rw-r--r-- 1 mcc users 9 Mar 5 18:23 instance
-rw-r--r-- 1 mcc users 6 Mar 5 18:23 iscolored
-rw-r--r-- 1 mcc users 633K 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 PhaseVariation-PT-D05CS010-CTLCardinality-00
FORMULA_NAME PhaseVariation-PT-D05CS010-CTLCardinality-01
FORMULA_NAME PhaseVariation-PT-D05CS010-CTLCardinality-02
FORMULA_NAME PhaseVariation-PT-D05CS010-CTLCardinality-03
FORMULA_NAME PhaseVariation-PT-D05CS010-CTLCardinality-04
FORMULA_NAME PhaseVariation-PT-D05CS010-CTLCardinality-05
FORMULA_NAME PhaseVariation-PT-D05CS010-CTLCardinality-06
FORMULA_NAME PhaseVariation-PT-D05CS010-CTLCardinality-07
FORMULA_NAME PhaseVariation-PT-D05CS010-CTLCardinality-08
FORMULA_NAME PhaseVariation-PT-D05CS010-CTLCardinality-09
FORMULA_NAME PhaseVariation-PT-D05CS010-CTLCardinality-10
FORMULA_NAME PhaseVariation-PT-D05CS010-CTLCardinality-11
FORMULA_NAME PhaseVariation-PT-D05CS010-CTLCardinality-12
FORMULA_NAME PhaseVariation-PT-D05CS010-CTLCardinality-13
FORMULA_NAME PhaseVariation-PT-D05CS010-CTLCardinality-14
FORMULA_NAME PhaseVariation-PT-D05CS010-CTLCardinality-15

=== Now, execution of the tool begins

BK_START 1679428410671

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=PhaseVariation-PT-D05CS010
Applying reductions before tool ltsmin
Invoking reducer
Running Version 202303021504
[2023-03-21 19:53:32] [INFO ] Running its-tools with arguments : [-pnfolder, /home/mcc/execution, -examination, CTLCardinality, -timeout, 360, -rebuildPNML]
[2023-03-21 19:53:32] [INFO ] Parsing pnml file : /home/mcc/execution/model.pnml
[2023-03-21 19:53:32] [INFO ] Load time of PNML (sax parser for PT used): 111 ms
[2023-03-21 19:53:32] [INFO ] Transformed 77 places.
[2023-03-21 19:53:32] [INFO ] Transformed 677 transitions.
[2023-03-21 19:53:32] [INFO ] Parsed PT model containing 77 places and 677 transitions and 4685 arcs in 222 ms.
Parsed 16 properties from file /home/mcc/execution/CTLCardinality.xml in 25 ms.
Deduced a syphon composed of 2 places in 2 ms
Reduce places removed 2 places and 52 transitions.
Reduce places removed 1 places and 0 transitions.
Support contains 70 out of 74 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 74/74 places, 625/625 transitions.
Drop transitions removed 188 transitions
Redundant transition composition rules discarded 188 transitions
Iterating global reduction 0 with 188 rules applied. Total rules applied 188 place count 74 transition count 437
Applied a total of 188 rules in 28 ms. Remains 74 /74 variables (removed 0) and now considering 437/625 (removed 188) transitions.
[2023-03-21 19:53:32] [INFO ] Flow matrix only has 49 transitions (discarded 388 similar events)
// Phase 1: matrix 49 rows 74 cols
[2023-03-21 19:53:32] [INFO ] Computed 25 place invariants in 7 ms
[2023-03-21 19:53:33] [INFO ] Dead Transitions using invariants and state equation in 387 ms found 64 transitions.
Found 64 dead transitions using SMT.
Drop transitions removed 64 transitions
Dead transitions reduction (with SMT) triggered by suspicious arc values removed 64 transitions.
[2023-03-21 19:53:33] [INFO ] Flow matrix only has 49 transitions (discarded 324 similar events)
// Phase 1: matrix 49 rows 74 cols
[2023-03-21 19:53:33] [INFO ] Computed 25 place invariants in 4 ms
[2023-03-21 19:53:33] [INFO ] Implicit Places using invariants in 48 ms returned []
[2023-03-21 19:53:33] [INFO ] Flow matrix only has 49 transitions (discarded 324 similar events)
[2023-03-21 19:53:33] [INFO ] Invariant cache hit.
[2023-03-21 19:53:33] [INFO ] State equation strengthened by 33 read => feed constraints.
[2023-03-21 19:53:33] [INFO ] Implicit Places using invariants and state equation in 75 ms returned []
Implicit Place search using SMT with State Equation took 124 ms to find 0 implicit places.
Starting structural reductions in LTL mode, iteration 1 : 74/74 places, 373/625 transitions.
Applied a total of 0 rules in 5 ms. Remains 74 /74 variables (removed 0) and now considering 373/373 (removed 0) transitions.
Finished structural reductions in LTL mode , in 1 iterations and 589 ms. Remains : 74/74 places, 373/625 transitions.
Support contains 70 out of 74 places after structural reductions.
[2023-03-21 19:53:33] [INFO ] Flatten gal took : 59 ms
[2023-03-21 19:53:33] [INFO ] Flatten gal took : 29 ms
[2023-03-21 19:53:33] [INFO ] Input system was already deterministic with 373 transitions.
Incomplete random walk after 10000 steps, including 481 resets, run finished after 474 ms. (steps per millisecond=21 ) properties (out of 88) seen :70
Incomplete Best-First random walk after 1001 steps, including 3 resets, run finished after 5 ms. (steps per millisecond=200 ) properties (out of 18) seen :0
Incomplete Best-First random walk after 1001 steps, including 3 resets, run finished after 3 ms. (steps per millisecond=333 ) properties (out of 18) seen :0
Incomplete Best-First random walk after 1001 steps, including 2 resets, run finished after 3 ms. (steps per millisecond=333 ) properties (out of 18) seen :0
Incomplete Best-First random walk after 1001 steps, including 2 resets, run finished after 4 ms. (steps per millisecond=250 ) properties (out of 18) seen :0
Incomplete Best-First random walk after 1001 steps, including 3 resets, run finished after 4 ms. (steps per millisecond=250 ) properties (out of 18) seen :0
Incomplete Best-First random walk after 1001 steps, including 2 resets, run finished after 3 ms. (steps per millisecond=333 ) properties (out of 18) seen :0
Incomplete Best-First random walk after 1001 steps, including 2 resets, run finished after 3 ms. (steps per millisecond=333 ) properties (out of 18) seen :0
Incomplete Best-First random walk after 1001 steps, including 2 resets, run finished after 3 ms. (steps per millisecond=333 ) properties (out of 18) seen :0
Incomplete Best-First random walk after 1001 steps, including 2 resets, run finished after 3 ms. (steps per millisecond=333 ) properties (out of 18) seen :0
Incomplete Best-First random walk after 1001 steps, including 3 resets, run finished after 3 ms. (steps per millisecond=333 ) properties (out of 18) seen :0
Incomplete Best-First random walk after 1001 steps, including 2 resets, run finished after 3 ms. (steps per millisecond=333 ) properties (out of 18) seen :0
Incomplete Best-First random walk after 1001 steps, including 2 resets, run finished after 3 ms. (steps per millisecond=333 ) properties (out of 18) seen :0
Incomplete Best-First random walk after 1001 steps, including 2 resets, run finished after 3 ms. (steps per millisecond=333 ) properties (out of 18) seen :0
Incomplete Best-First random walk after 1001 steps, including 2 resets, run finished after 3 ms. (steps per millisecond=333 ) properties (out of 18) seen :0
Incomplete Best-First random walk after 1001 steps, including 2 resets, run finished after 2 ms. (steps per millisecond=500 ) properties (out of 18) seen :0
Incomplete Best-First random walk after 1001 steps, including 4 resets, run finished after 3 ms. (steps per millisecond=333 ) properties (out of 18) seen :0
Incomplete Best-First random walk after 1001 steps, including 3 resets, run finished after 6 ms. (steps per millisecond=166 ) properties (out of 18) seen :0
Incomplete Best-First random walk after 1001 steps, including 2 resets, run finished after 3 ms. (steps per millisecond=333 ) properties (out of 18) seen :0
Running SMT prover for 18 properties.
[2023-03-21 19:53:34] [INFO ] Flow matrix only has 49 transitions (discarded 324 similar events)
[2023-03-21 19:53:34] [INFO ] Invariant cache hit.
[2023-03-21 19:53:34] [INFO ] [Real]Absence check using 25 positive place invariants in 6 ms returned sat
[2023-03-21 19:53:34] [INFO ] After 168ms SMT Verify possible using all constraints in real domain returned unsat :10 sat :0 real:8
[2023-03-21 19:53:34] [INFO ] [Nat]Absence check using 25 positive place invariants in 14 ms returned sat
[2023-03-21 19:53:34] [INFO ] After 108ms SMT Verify possible using all constraints in natural domain returned unsat :18 sat :0
Fused 18 Parikh solutions to 0 different solutions.
Parikh walk visited 0 properties in 0 ms.
Successfully simplified 18 atomic propositions for a total of 16 simplifications.
[2023-03-21 19:53:34] [INFO ] Initial state reduction rules for CTL removed 2 formulas.
[2023-03-21 19:53:34] [INFO ] Flatten gal took : 30 ms
FORMULA PhaseVariation-PT-D05CS010-CTLCardinality-09 FALSE TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA PhaseVariation-PT-D05CS010-CTLCardinality-04 FALSE TECHNIQUES TOPOLOGICAL INITIAL_STATE
[2023-03-21 19:53:35] [INFO ] Flatten gal took : 26 ms
[2023-03-21 19:53:35] [INFO ] Input system was already deterministic with 373 transitions.
Support contains 56 out of 74 places (down from 61) after GAL structural reductions.
FORMULA PhaseVariation-PT-D05CS010-CTLCardinality-03 TRUE TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA PhaseVariation-PT-D05CS010-CTLCardinality-06 TRUE TECHNIQUES TOPOLOGICAL INITIAL_STATE
Computed a total of 74 stabilizing places and 373 stable transitions
Complete graph has no SCC; deadlocks are unavoidable. place count 74 transition count 373
Detected that all paths lead to deadlock. Applying this knowledge to assert that all AP eventually converge (and all enablings converge to false).
AF dead knowledge conclusive for 1 formulas.
Starting structural reductions in LTL mode, iteration 0 : 74/74 places, 373/373 transitions.
Reduce places removed 5 places and 0 transitions.
Ensure Unique test removed 2 transitions
Reduce isomorphic transitions removed 2 transitions.
Iterating post reduction 0 with 7 rules applied. Total rules applied 7 place count 69 transition count 371
Discarding 21 places :
Symmetric choice reduction at 1 with 21 rule applications. Total rules 28 place count 48 transition count 198
Iterating global reduction 1 with 21 rules applied. Total rules applied 49 place count 48 transition count 198
Ensure Unique test removed 96 transitions
Reduce isomorphic transitions removed 96 transitions.
Iterating post reduction 1 with 96 rules applied. Total rules applied 145 place count 48 transition count 102
Applied a total of 145 rules in 14 ms. Remains 48 /74 variables (removed 26) and now considering 102/373 (removed 271) transitions.
[2023-03-21 19:53:35] [INFO ] Flow matrix only has 26 transitions (discarded 76 similar events)
// Phase 1: matrix 26 rows 48 cols
[2023-03-21 19:53:35] [INFO ] Computed 22 place invariants in 1 ms
[2023-03-21 19:53:35] [INFO ] Dead Transitions using invariants and state equation in 122 ms found 0 transitions.
Finished structural reductions in LTL mode , in 1 iterations and 138 ms. Remains : 48/74 places, 102/373 transitions.
[2023-03-21 19:53:35] [INFO ] Flatten gal took : 8 ms
[2023-03-21 19:53:35] [INFO ] Flatten gal took : 5 ms
[2023-03-21 19:53:35] [INFO ] Input system was already deterministic with 102 transitions.
Starting structural reductions in LTL mode, iteration 0 : 74/74 places, 373/373 transitions.
Reduce places removed 5 places and 0 transitions.
Ensure Unique test removed 2 transitions
Reduce isomorphic transitions removed 2 transitions.
Iterating post reduction 0 with 7 rules applied. Total rules applied 7 place count 69 transition count 371
Discarding 18 places :
Symmetric choice reduction at 1 with 18 rule applications. Total rules 25 place count 51 transition count 215
Iterating global reduction 1 with 18 rules applied. Total rules applied 43 place count 51 transition count 215
Ensure Unique test removed 93 transitions
Reduce isomorphic transitions removed 93 transitions.
Iterating post reduction 1 with 93 rules applied. Total rules applied 136 place count 51 transition count 122
Applied a total of 136 rules in 5 ms. Remains 51 /74 variables (removed 23) and now considering 122/373 (removed 251) transitions.
[2023-03-21 19:53:35] [INFO ] Flow matrix only has 29 transitions (discarded 93 similar events)
// Phase 1: matrix 29 rows 51 cols
[2023-03-21 19:53:35] [INFO ] Computed 22 place invariants in 0 ms
[2023-03-21 19:53:35] [INFO ] Dead Transitions using invariants and state equation in 73 ms found 0 transitions.
Finished structural reductions in LTL mode , in 1 iterations and 79 ms. Remains : 51/74 places, 122/373 transitions.
[2023-03-21 19:53:35] [INFO ] Flatten gal took : 6 ms
[2023-03-21 19:53:35] [INFO ] Flatten gal took : 7 ms
[2023-03-21 19:53:35] [INFO ] Input system was already deterministic with 122 transitions.
Starting structural reductions in LTL mode, iteration 0 : 74/74 places, 373/373 transitions.
Reduce places removed 6 places and 0 transitions.
Ensure Unique test removed 3 transitions
Reduce isomorphic transitions removed 3 transitions.
Iterating post reduction 0 with 9 rules applied. Total rules applied 9 place count 68 transition count 370
Discarding 21 places :
Symmetric choice reduction at 1 with 21 rule applications. Total rules 30 place count 47 transition count 214
Iterating global reduction 1 with 21 rules applied. Total rules applied 51 place count 47 transition count 214
Ensure Unique test removed 88 transitions
Reduce isomorphic transitions removed 88 transitions.
Iterating post reduction 1 with 88 rules applied. Total rules applied 139 place count 47 transition count 126
Applied a total of 139 rules in 6 ms. Remains 47 /74 variables (removed 27) and now considering 126/373 (removed 247) transitions.
[2023-03-21 19:53:35] [INFO ] Flow matrix only has 25 transitions (discarded 101 similar events)
// Phase 1: matrix 25 rows 47 cols
[2023-03-21 19:53:35] [INFO ] Computed 22 place invariants in 1 ms
[2023-03-21 19:53:35] [INFO ] Dead Transitions using invariants and state equation in 74 ms found 0 transitions.
Finished structural reductions in LTL mode , in 1 iterations and 80 ms. Remains : 47/74 places, 126/373 transitions.
[2023-03-21 19:53:35] [INFO ] Flatten gal took : 6 ms
[2023-03-21 19:53:35] [INFO ] Flatten gal took : 6 ms
[2023-03-21 19:53:35] [INFO ] Input system was already deterministic with 126 transitions.
Starting structural reductions in LTL mode, iteration 0 : 74/74 places, 373/373 transitions.
Reduce places removed 5 places and 0 transitions.
Ensure Unique test removed 2 transitions
Reduce isomorphic transitions removed 2 transitions.
Iterating post reduction 0 with 7 rules applied. Total rules applied 7 place count 69 transition count 371
Discarding 18 places :
Symmetric choice reduction at 1 with 18 rule applications. Total rules 25 place count 51 transition count 215
Iterating global reduction 1 with 18 rules applied. Total rules applied 43 place count 51 transition count 215
Ensure Unique test removed 91 transitions
Reduce isomorphic transitions removed 91 transitions.
Iterating post reduction 1 with 91 rules applied. Total rules applied 134 place count 51 transition count 124
Applied a total of 134 rules in 4 ms. Remains 51 /74 variables (removed 23) and now considering 124/373 (removed 249) transitions.
[2023-03-21 19:53:35] [INFO ] Flow matrix only has 29 transitions (discarded 95 similar events)
// Phase 1: matrix 29 rows 51 cols
[2023-03-21 19:53:35] [INFO ] Computed 22 place invariants in 0 ms
[2023-03-21 19:53:35] [INFO ] Dead Transitions using invariants and state equation in 162 ms found 0 transitions.
Finished structural reductions in LTL mode , in 1 iterations and 167 ms. Remains : 51/74 places, 124/373 transitions.
[2023-03-21 19:53:35] [INFO ] Flatten gal took : 8 ms
[2023-03-21 19:53:35] [INFO ] Flatten gal took : 11 ms
[2023-03-21 19:53:35] [INFO ] Input system was already deterministic with 124 transitions.
Starting structural reductions in LTL mode, iteration 0 : 74/74 places, 373/373 transitions.
Reduce places removed 5 places and 0 transitions.
Ensure Unique test removed 2 transitions
Reduce isomorphic transitions removed 2 transitions.
Iterating post reduction 0 with 7 rules applied. Total rules applied 7 place count 69 transition count 371
Discarding 22 places :
Symmetric choice reduction at 1 with 22 rule applications. Total rules 29 place count 47 transition count 192
Iterating global reduction 1 with 22 rules applied. Total rules applied 51 place count 47 transition count 192
Ensure Unique test removed 94 transitions
Reduce isomorphic transitions removed 94 transitions.
Iterating post reduction 1 with 94 rules applied. Total rules applied 145 place count 47 transition count 98
Applied a total of 145 rules in 17 ms. Remains 47 /74 variables (removed 27) and now considering 98/373 (removed 275) transitions.
[2023-03-21 19:53:35] [INFO ] Flow matrix only has 25 transitions (discarded 73 similar events)
// Phase 1: matrix 25 rows 47 cols
[2023-03-21 19:53:35] [INFO ] Computed 22 place invariants in 0 ms
[2023-03-21 19:53:35] [INFO ] Dead Transitions using invariants and state equation in 72 ms found 0 transitions.
Finished structural reductions in LTL mode , in 1 iterations and 89 ms. Remains : 47/74 places, 98/373 transitions.
[2023-03-21 19:53:35] [INFO ] Flatten gal took : 4 ms
[2023-03-21 19:53:35] [INFO ] Flatten gal took : 4 ms
[2023-03-21 19:53:35] [INFO ] Input system was already deterministic with 98 transitions.
Starting structural reductions in LTL mode, iteration 0 : 74/74 places, 373/373 transitions.
Reduce places removed 5 places and 0 transitions.
Ensure Unique test removed 2 transitions
Reduce isomorphic transitions removed 2 transitions.
Iterating post reduction 0 with 7 rules applied. Total rules applied 7 place count 69 transition count 371
Discarding 16 places :
Symmetric choice reduction at 1 with 16 rule applications. Total rules 23 place count 53 transition count 244
Iterating global reduction 1 with 16 rules applied. Total rules applied 39 place count 53 transition count 244
Ensure Unique test removed 88 transitions
Reduce isomorphic transitions removed 88 transitions.
Iterating post reduction 1 with 88 rules applied. Total rules applied 127 place count 53 transition count 156
Applied a total of 127 rules in 4 ms. Remains 53 /74 variables (removed 21) and now considering 156/373 (removed 217) transitions.
[2023-03-21 19:53:35] [INFO ] Flow matrix only has 31 transitions (discarded 125 similar events)
// Phase 1: matrix 31 rows 53 cols
[2023-03-21 19:53:35] [INFO ] Computed 22 place invariants in 0 ms
[2023-03-21 19:53:35] [INFO ] Dead Transitions using invariants and state equation in 85 ms found 0 transitions.
Finished structural reductions in LTL mode , in 1 iterations and 89 ms. Remains : 53/74 places, 156/373 transitions.
[2023-03-21 19:53:35] [INFO ] Flatten gal took : 5 ms
[2023-03-21 19:53:35] [INFO ] Flatten gal took : 6 ms
[2023-03-21 19:53:35] [INFO ] Input system was already deterministic with 156 transitions.
Starting structural reductions in SI_CTL mode, iteration 0 : 74/74 places, 373/373 transitions.
Graph (complete) has 807 edges and 74 vertex of which 68 are kept as prefixes of interest. Removing 6 places using SCC suffix rule.4 ms
Discarding 6 places :
Also discarding 0 output transitions
Ensure Unique test removed 3 transitions
Reduce isomorphic transitions removed 3 transitions.
Iterating post reduction 0 with 3 rules applied. Total rules applied 4 place count 68 transition count 370
Discarding 18 places :
Symmetric choice reduction at 1 with 18 rule applications. Total rules 22 place count 50 transition count 230
Iterating global reduction 1 with 18 rules applied. Total rules applied 40 place count 50 transition count 230
Ensure Unique test removed 94 transitions
Reduce isomorphic transitions removed 94 transitions.
Iterating post reduction 1 with 94 rules applied. Total rules applied 134 place count 50 transition count 136
Applied a total of 134 rules in 29 ms. Remains 50 /74 variables (removed 24) and now considering 136/373 (removed 237) transitions.
[2023-03-21 19:53:35] [INFO ] Flow matrix only has 28 transitions (discarded 108 similar events)
// Phase 1: matrix 28 rows 50 cols
[2023-03-21 19:53:35] [INFO ] Computed 22 place invariants in 2 ms
[2023-03-21 19:53:36] [INFO ] Dead Transitions using invariants and state equation in 107 ms found 0 transitions.
Finished structural reductions in SI_CTL mode , in 1 iterations and 138 ms. Remains : 50/74 places, 136/373 transitions.
[2023-03-21 19:53:36] [INFO ] Flatten gal took : 5 ms
[2023-03-21 19:53:36] [INFO ] Flatten gal took : 5 ms
[2023-03-21 19:53:36] [INFO ] Input system was already deterministic with 136 transitions.
Starting structural reductions in SI_CTL mode, iteration 0 : 74/74 places, 373/373 transitions.
Graph (complete) has 807 edges and 74 vertex of which 69 are kept as prefixes of interest. Removing 5 places using SCC suffix rule.2 ms
Discarding 5 places :
Also discarding 0 output transitions
Ensure Unique test removed 2 transitions
Reduce isomorphic transitions removed 2 transitions.
Iterating post reduction 0 with 2 rules applied. Total rules applied 3 place count 69 transition count 371
Discarding 11 places :
Symmetric choice reduction at 1 with 11 rule applications. Total rules 14 place count 58 transition count 273
Iterating global reduction 1 with 11 rules applied. Total rules applied 25 place count 58 transition count 273
Ensure Unique test removed 78 transitions
Reduce isomorphic transitions removed 78 transitions.
Iterating post reduction 1 with 78 rules applied. Total rules applied 103 place count 58 transition count 195
Applied a total of 103 rules in 27 ms. Remains 58 /74 variables (removed 16) and now considering 195/373 (removed 178) transitions.
[2023-03-21 19:53:36] [INFO ] Flow matrix only has 36 transitions (discarded 159 similar events)
// Phase 1: matrix 36 rows 58 cols
[2023-03-21 19:53:36] [INFO ] Computed 22 place invariants in 0 ms
[2023-03-21 19:53:36] [INFO ] Dead Transitions using invariants and state equation in 103 ms found 0 transitions.
Finished structural reductions in SI_CTL mode , in 1 iterations and 130 ms. Remains : 58/74 places, 195/373 transitions.
[2023-03-21 19:53:36] [INFO ] Flatten gal took : 10 ms
[2023-03-21 19:53:36] [INFO ] Flatten gal took : 9 ms
[2023-03-21 19:53:36] [INFO ] Input system was already deterministic with 195 transitions.
Starting structural reductions in LTL mode, iteration 0 : 74/74 places, 373/373 transitions.
Reduce places removed 6 places and 0 transitions.
Ensure Unique test removed 3 transitions
Reduce isomorphic transitions removed 3 transitions.
Iterating post reduction 0 with 9 rules applied. Total rules applied 9 place count 68 transition count 370
Discarding 19 places :
Symmetric choice reduction at 1 with 19 rule applications. Total rules 28 place count 49 transition count 213
Iterating global reduction 1 with 19 rules applied. Total rules applied 47 place count 49 transition count 213
Ensure Unique test removed 90 transitions
Reduce isomorphic transitions removed 90 transitions.
Iterating post reduction 1 with 90 rules applied. Total rules applied 137 place count 49 transition count 123
Applied a total of 137 rules in 4 ms. Remains 49 /74 variables (removed 25) and now considering 123/373 (removed 250) transitions.
[2023-03-21 19:53:36] [INFO ] Flow matrix only has 27 transitions (discarded 96 similar events)
// Phase 1: matrix 27 rows 49 cols
[2023-03-21 19:53:36] [INFO ] Computed 22 place invariants in 0 ms
[2023-03-21 19:53:36] [INFO ] Dead Transitions using invariants and state equation in 110 ms found 0 transitions.
Finished structural reductions in LTL mode , in 1 iterations and 114 ms. Remains : 49/74 places, 123/373 transitions.
[2023-03-21 19:53:36] [INFO ] Flatten gal took : 4 ms
[2023-03-21 19:53:36] [INFO ] Flatten gal took : 4 ms
[2023-03-21 19:53:36] [INFO ] Input system was already deterministic with 123 transitions.
Starting structural reductions in SI_CTL mode, iteration 0 : 74/74 places, 373/373 transitions.
Graph (complete) has 807 edges and 74 vertex of which 68 are kept as prefixes of interest. Removing 6 places using SCC suffix rule.1 ms
Discarding 6 places :
Also discarding 0 output transitions
Ensure Unique test removed 3 transitions
Reduce isomorphic transitions removed 3 transitions.
Iterating post reduction 0 with 3 rules applied. Total rules applied 4 place count 68 transition count 370
Discarding 21 places :
Symmetric choice reduction at 1 with 21 rule applications. Total rules 25 place count 47 transition count 214
Iterating global reduction 1 with 21 rules applied. Total rules applied 46 place count 47 transition count 214
Ensure Unique test removed 93 transitions
Reduce isomorphic transitions removed 93 transitions.
Iterating post reduction 1 with 93 rules applied. Total rules applied 139 place count 47 transition count 121
Applied a total of 139 rules in 14 ms. Remains 47 /74 variables (removed 27) and now considering 121/373 (removed 252) transitions.
[2023-03-21 19:53:36] [INFO ] Flow matrix only has 25 transitions (discarded 96 similar events)
// Phase 1: matrix 25 rows 47 cols
[2023-03-21 19:53:36] [INFO ] Computed 22 place invariants in 0 ms
[2023-03-21 19:53:36] [INFO ] Dead Transitions using invariants and state equation in 126 ms found 0 transitions.
Finished structural reductions in SI_CTL mode , in 1 iterations and 141 ms. Remains : 47/74 places, 121/373 transitions.
[2023-03-21 19:53:36] [INFO ] Flatten gal took : 12 ms
[2023-03-21 19:53:36] [INFO ] Flatten gal took : 4 ms
[2023-03-21 19:53:36] [INFO ] Input system was already deterministic with 121 transitions.
Starting structural reductions in LTL mode, iteration 0 : 74/74 places, 373/373 transitions.
Reduce places removed 5 places and 0 transitions.
Ensure Unique test removed 2 transitions
Reduce isomorphic transitions removed 2 transitions.
Iterating post reduction 0 with 7 rules applied. Total rules applied 7 place count 69 transition count 371
Discarding 20 places :
Symmetric choice reduction at 1 with 20 rule applications. Total rules 27 place count 49 transition count 210
Iterating global reduction 1 with 20 rules applied. Total rules applied 47 place count 49 transition count 210
Ensure Unique test removed 94 transitions
Reduce isomorphic transitions removed 94 transitions.
Iterating post reduction 1 with 94 rules applied. Total rules applied 141 place count 49 transition count 116
Applied a total of 141 rules in 3 ms. Remains 49 /74 variables (removed 25) and now considering 116/373 (removed 257) transitions.
[2023-03-21 19:53:36] [INFO ] Flow matrix only has 27 transitions (discarded 89 similar events)
// Phase 1: matrix 27 rows 49 cols
[2023-03-21 19:53:36] [INFO ] Computed 22 place invariants in 0 ms
[2023-03-21 19:53:36] [INFO ] Dead Transitions using invariants and state equation in 74 ms found 0 transitions.
Finished structural reductions in LTL mode , in 1 iterations and 78 ms. Remains : 49/74 places, 116/373 transitions.
[2023-03-21 19:53:36] [INFO ] Flatten gal took : 4 ms
[2023-03-21 19:53:36] [INFO ] Flatten gal took : 5 ms
[2023-03-21 19:53:36] [INFO ] Input system was already deterministic with 116 transitions.
Starting structural reductions in LTL mode, iteration 0 : 74/74 places, 373/373 transitions.
Reduce places removed 6 places and 0 transitions.
Ensure Unique test removed 3 transitions
Reduce isomorphic transitions removed 3 transitions.
Iterating post reduction 0 with 9 rules applied. Total rules applied 9 place count 68 transition count 370
Discarding 21 places :
Symmetric choice reduction at 1 with 21 rule applications. Total rules 30 place count 47 transition count 210
Iterating global reduction 1 with 21 rules applied. Total rules applied 51 place count 47 transition count 210
Ensure Unique test removed 91 transitions
Reduce isomorphic transitions removed 91 transitions.
Iterating post reduction 1 with 91 rules applied. Total rules applied 142 place count 47 transition count 119
Applied a total of 142 rules in 7 ms. Remains 47 /74 variables (removed 27) and now considering 119/373 (removed 254) transitions.
[2023-03-21 19:53:36] [INFO ] Flow matrix only has 25 transitions (discarded 94 similar events)
// Phase 1: matrix 25 rows 47 cols
[2023-03-21 19:53:36] [INFO ] Computed 22 place invariants in 0 ms
[2023-03-21 19:53:36] [INFO ] Dead Transitions using invariants and state equation in 89 ms found 0 transitions.
Finished structural reductions in LTL mode , in 1 iterations and 96 ms. Remains : 47/74 places, 119/373 transitions.
[2023-03-21 19:53:36] [INFO ] Flatten gal took : 4 ms
[2023-03-21 19:53:36] [INFO ] Flatten gal took : 4 ms
[2023-03-21 19:53:36] [INFO ] Input system was already deterministic with 119 transitions.
[2023-03-21 19:53:36] [INFO ] Flatten gal took : 13 ms
[2023-03-21 19:53:36] [INFO ] Flatten gal took : 13 ms
[2023-03-21 19:53:36] [INFO ] Export to MCC of 12 properties in file /home/mcc/execution/CTLCardinality.sr.xml took 2 ms.
[2023-03-21 19:53:36] [INFO ] Export to PNML in file /home/mcc/execution/model.sr.pnml of net with 74 places, 373 transitions and 2575 arcs took 14 ms.
Total runtime 4218 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/513/ctl_0_ --ctl=/tmp/513/ctl_1_ --ctl=/tmp/513/ctl_2_ --ctl=/tmp/513/ctl_3_ --ctl=/tmp/513/ctl_4_ --ctl=/tmp/513/ctl_5_ --ctl=/tmp/513/ctl_6_ --ctl=/tmp/513/ctl_7_ --ctl=/tmp/513/ctl_8_ --ctl=/tmp/513/ctl_9_ --ctl=/tmp/513/ctl_10_ --ctl=/tmp/513/ctl_11_ --mu-par --mu-opt
FORMULA PhaseVariation-PT-D05CS010-CTLCardinality-00 FALSE TECHNIQUES DECISION_DIAGRAMS PARALLEL_PROCESSING USE_NUPN
FORMULA PhaseVariation-PT-D05CS010-CTLCardinality-01 TRUE TECHNIQUES DECISION_DIAGRAMS PARALLEL_PROCESSING USE_NUPN
FORMULA PhaseVariation-PT-D05CS010-CTLCardinality-02 FALSE TECHNIQUES DECISION_DIAGRAMS PARALLEL_PROCESSING USE_NUPN
FORMULA PhaseVariation-PT-D05CS010-CTLCardinality-05 TRUE TECHNIQUES DECISION_DIAGRAMS PARALLEL_PROCESSING USE_NUPN
FORMULA PhaseVariation-PT-D05CS010-CTLCardinality-07 FALSE TECHNIQUES DECISION_DIAGRAMS PARALLEL_PROCESSING USE_NUPN
FORMULA PhaseVariation-PT-D05CS010-CTLCardinality-08 FALSE TECHNIQUES DECISION_DIAGRAMS PARALLEL_PROCESSING USE_NUPN
FORMULA PhaseVariation-PT-D05CS010-CTLCardinality-10 FALSE TECHNIQUES DECISION_DIAGRAMS PARALLEL_PROCESSING USE_NUPN
FORMULA PhaseVariation-PT-D05CS010-CTLCardinality-11 FALSE TECHNIQUES DECISION_DIAGRAMS PARALLEL_PROCESSING USE_NUPN
FORMULA PhaseVariation-PT-D05CS010-CTLCardinality-12 TRUE TECHNIQUES DECISION_DIAGRAMS PARALLEL_PROCESSING USE_NUPN
FORMULA PhaseVariation-PT-D05CS010-CTLCardinality-13 TRUE TECHNIQUES DECISION_DIAGRAMS PARALLEL_PROCESSING USE_NUPN
FORMULA PhaseVariation-PT-D05CS010-CTLCardinality-14 TRUE TECHNIQUES DECISION_DIAGRAMS PARALLEL_PROCESSING USE_NUPN
FORMULA PhaseVariation-PT-D05CS010-CTLCardinality-15 TRUE TECHNIQUES DECISION_DIAGRAMS PARALLEL_PROCESSING USE_NUPN

BK_STOP 1679429428289

--------------------
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 PhaseVariation-PT-D05CS010-CTLCardinality-00
ctl formula formula --ctl=/tmp/513/ctl_0_
ctl formula name PhaseVariation-PT-D05CS010-CTLCardinality-01
ctl formula formula --ctl=/tmp/513/ctl_1_
ctl formula name PhaseVariation-PT-D05CS010-CTLCardinality-02
ctl formula formula --ctl=/tmp/513/ctl_2_
ctl formula name PhaseVariation-PT-D05CS010-CTLCardinality-05
ctl formula formula --ctl=/tmp/513/ctl_3_
ctl formula name PhaseVariation-PT-D05CS010-CTLCardinality-07
ctl formula formula --ctl=/tmp/513/ctl_4_
ctl formula name PhaseVariation-PT-D05CS010-CTLCardinality-08
ctl formula formula --ctl=/tmp/513/ctl_5_
ctl formula name PhaseVariation-PT-D05CS010-CTLCardinality-10
ctl formula formula --ctl=/tmp/513/ctl_6_
ctl formula name PhaseVariation-PT-D05CS010-CTLCardinality-11
ctl formula formula --ctl=/tmp/513/ctl_7_
ctl formula name PhaseVariation-PT-D05CS010-CTLCardinality-12
ctl formula formula --ctl=/tmp/513/ctl_8_
ctl formula name PhaseVariation-PT-D05CS010-CTLCardinality-13
ctl formula formula --ctl=/tmp/513/ctl_9_
ctl formula name PhaseVariation-PT-D05CS010-CTLCardinality-14
ctl formula formula --ctl=/tmp/513/ctl_10_
ctl formula name PhaseVariation-PT-D05CS010-CTLCardinality-15
ctl formula formula --ctl=/tmp/513/ctl_11_
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 74 places, 373 transitions and 2575 arcs
pnml2lts-sym: Petri net Petri analyzed
pnml2lts-sym: There are no safe places
pnml2lts-sym: Loading Petri net took 0.000 real 0.000 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: 373->372 groups
pnml2lts-sym: Regrouping took 0.100 real 0.100 user 0.000 sys
pnml2lts-sym: state vector length is 74; there are 372 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: 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: Exploration took 30562106 group checks and 0 next state calls
pnml2lts-sym: reachability took 608.940 real 2429.910 user 2.570 sys
pnml2lts-sym: counting visited states...
pnml2lts-sym: counting took 0.010 real 0.050 user 0.000 sys
pnml2lts-sym: state space has 476385615597 states, 145758 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: 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/513/ctl_11_ holds for the initial state
pnml2lts-sym: vset_sylvan: starting garbage collection
pnml2lts-sym: vset_sylvan: garbage collection done
pnml2lts-sym: Formula /tmp/513/ctl_0_ does not hold for the initial state
pnml2lts-sym: Formula /tmp/513/ctl_1_ holds for the initial state
pnml2lts-sym: Formula /tmp/513/ctl_4_ does not hold for the initial state
pnml2lts-sym: Formula /tmp/513/ctl_2_ does not hold for the initial state
pnml2lts-sym: vset_sylvan: starting garbage collection
pnml2lts-sym: vset_sylvan: garbage collection done
pnml2lts-sym: Formula /tmp/513/ctl_6_ does not hold for the initial state
pnml2lts-sym: Formula /tmp/513/ctl_10_ holds for the initial state
pnml2lts-sym: Formula /tmp/513/ctl_9_ holds for the initial state
pnml2lts-sym: Formula /tmp/513/ctl_5_ does not hold for the initial state
pnml2lts-sym: Formula /tmp/513/ctl_7_ does not hold for the initial state
pnml2lts-sym: Formula /tmp/513/ctl_3_ holds for the initial state
pnml2lts-sym: Formula /tmp/513/ctl_8_ holds for the initial state
pnml2lts-sym: group_next: 19606 nodes total
pnml2lts-sym: group_explored: 21830 nodes, 83348 short vectors total
pnml2lts-sym: max token count: 25

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="PhaseVariation-PT-D05CS010"
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 PhaseVariation-PT-D05CS010, 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 r297-tall-167873949800017"
echo "====================================================================="
echo
echo "--------------------"
echo "preparation of the directory to be used:"

tar xzf /home/mcc/BenchKit/INPUTS/PhaseVariation-PT-D05CS010.tgz
mv PhaseVariation-PT-D05CS010 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 ;