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.r298-tall-167873951900578.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 marciexred
Input is PolyORBLF-PT-S04J06T10, examination is CTLFireability
Time confinement is 3600 seconds
Memory confinement is 16384 MBytes
Number of cores is 4
Run identifier is r298-tall-167873951900578
=====================================================================

--------------------
preparation of the directory to be used:
/home/mcc/execution
total 5.9M
-rw-r--r-- 1 mcc users 26K Feb 26 14:16 CTLCardinality.txt
-rw-r--r-- 1 mcc users 146K Feb 26 14:16 CTLCardinality.xml
-rw-r--r-- 1 mcc users 26K Feb 26 14:14 CTLFireability.txt
-rw-r--r-- 1 mcc users 148K Feb 26 14:14 CTLFireability.xml
-rw-r--r-- 1 mcc users 4.2K Jan 29 11:40 GenericPropertiesDefinition.xml
-rw-r--r-- 1 mcc users 6.3K Jan 29 11:40 GenericPropertiesVerdict.xml
-rw-r--r-- 1 mcc users 9.6K Feb 25 16:35 LTLCardinality.txt
-rw-r--r-- 1 mcc users 40K Feb 25 16:35 LTLCardinality.xml
-rw-r--r-- 1 mcc users 144K Feb 25 16:35 LTLFireability.txt
-rw-r--r-- 1 mcc users 480K Feb 25 16:35 LTLFireability.xml
-rw-r--r-- 1 mcc users 47K Feb 26 14:22 ReachabilityCardinality.txt
-rw-r--r-- 1 mcc users 248K Feb 26 14:22 ReachabilityCardinality.xml
-rw-r--r-- 1 mcc users 38K Feb 26 14:19 ReachabilityFireability.txt
-rw-r--r-- 1 mcc users 195K Feb 26 14:19 ReachabilityFireability.xml
-rw-r--r-- 1 mcc users 4.0K Feb 25 16:35 UpperBounds.txt
-rw-r--r-- 1 mcc users 8.6K Feb 25 16:35 UpperBounds.xml
-rw-r--r-- 1 mcc users 5 Mar 5 18:23 equiv_col
-rw-r--r-- 1 mcc users 10 Mar 5 18:23 instance
-rw-r--r-- 1 mcc users 6 Mar 5 18:23 iscolored
-rw-r--r-- 1 mcc users 4.3M 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 PolyORBLF-PT-S04J06T10-CTLFireability-00
FORMULA_NAME PolyORBLF-PT-S04J06T10-CTLFireability-01
FORMULA_NAME PolyORBLF-PT-S04J06T10-CTLFireability-02
FORMULA_NAME PolyORBLF-PT-S04J06T10-CTLFireability-03
FORMULA_NAME PolyORBLF-PT-S04J06T10-CTLFireability-04
FORMULA_NAME PolyORBLF-PT-S04J06T10-CTLFireability-05
FORMULA_NAME PolyORBLF-PT-S04J06T10-CTLFireability-06
FORMULA_NAME PolyORBLF-PT-S04J06T10-CTLFireability-07
FORMULA_NAME PolyORBLF-PT-S04J06T10-CTLFireability-08
FORMULA_NAME PolyORBLF-PT-S04J06T10-CTLFireability-09
FORMULA_NAME PolyORBLF-PT-S04J06T10-CTLFireability-10
FORMULA_NAME PolyORBLF-PT-S04J06T10-CTLFireability-11
FORMULA_NAME PolyORBLF-PT-S04J06T10-CTLFireability-12
FORMULA_NAME PolyORBLF-PT-S04J06T10-CTLFireability-13
FORMULA_NAME PolyORBLF-PT-S04J06T10-CTLFireability-14
FORMULA_NAME PolyORBLF-PT-S04J06T10-CTLFireability-15

=== Now, execution of the tool begins

BK_START 1679595233997

bash -c /home/mcc/BenchKit/BenchKit_head.sh 2> STDERR ; echo ; echo -n "BK_STOP " ; date -u +%s%3N
Invoking MCC driver with
BK_TOOL=marciexred
BK_EXAMINATION=CTLFireability
BK_BIN_PATH=/home/mcc/BenchKit/bin/
BK_TIME_CONFINEMENT=3600
BK_INPUT=PolyORBLF-PT-S04J06T10
Applying reductions before tool marcie
Invoking reducer
Running Version 202303021504
[2023-03-23 18:13:55] [INFO ] Running its-tools with arguments : [-pnfolder, /home/mcc/execution, -examination, CTLFireability, -timeout, 360, -rebuildPNML]
[2023-03-23 18:13:55] [INFO ] Parsing pnml file : /home/mcc/execution/model.pnml
[2023-03-23 18:13:55] [INFO ] Load time of PNML (sax parser for PT used): 276 ms
[2023-03-23 18:13:55] [INFO ] Transformed 966 places.
[2023-03-23 18:13:55] [INFO ] Transformed 5354 transitions.
[2023-03-23 18:13:55] [INFO ] Parsed PT model containing 966 places and 5354 transitions and 36134 arcs in 512 ms.
Parsed 16 properties from file /home/mcc/execution/CTLFireability.xml in 33 ms.
Ensure Unique test removed 2710 transitions
Reduce redundant transitions removed 2710 transitions.
Support contains 567 out of 966 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 966/966 places, 2644/2644 transitions.
Ensure Unique test removed 4 places
Iterating post reduction 0 with 4 rules applied. Total rules applied 4 place count 962 transition count 2644
Applied a total of 4 rules in 99 ms. Remains 962 /966 variables (removed 4) and now considering 2644/2644 (removed 0) transitions.
[2023-03-23 18:13:56] [INFO ] Flow matrix only has 2604 transitions (discarded 40 similar events)
// Phase 1: matrix 2604 rows 962 cols
[2023-03-23 18:13:56] [INFO ] Computed 58 place invariants in 188 ms
[2023-03-23 18:13:59] [INFO ] Dead Transitions using invariants and state equation in 3710 ms found 540 transitions.
Found 540 dead transitions using SMT.
Drop transitions removed 540 transitions
Dead transitions reduction (with SMT) triggered by suspicious arc values removed 540 transitions.
[2023-03-23 18:13:59] [INFO ] Flow matrix only has 2064 transitions (discarded 40 similar events)
// Phase 1: matrix 2064 rows 962 cols
[2023-03-23 18:13:59] [INFO ] Computed 58 place invariants in 52 ms
[2023-03-23 18:14:00] [INFO ] Implicit Places using invariants in 512 ms returned [102, 226, 281, 345, 472, 528, 563, 670, 724, 840]
Discarding 10 places :
Implicit Place search using SMT only with invariants took 520 ms to find 10 implicit places.
Starting structural reductions in LTL mode, iteration 1 : 952/966 places, 2104/2644 transitions.
Applied a total of 0 rules in 21 ms. Remains 952 /952 variables (removed 0) and now considering 2104/2104 (removed 0) transitions.
Finished structural reductions in LTL mode , in 2 iterations and 4376 ms. Remains : 952/966 places, 2104/2644 transitions.
Support contains 567 out of 952 places after structural reductions.
[2023-03-23 18:14:00] [INFO ] Flatten gal took : 239 ms
[2023-03-23 18:14:01] [INFO ] Flatten gal took : 140 ms
[2023-03-23 18:14:01] [INFO ] Input system was already deterministic with 2104 transitions.
Incomplete random walk after 10000 steps, including 2 resets, run finished after 521 ms. (steps per millisecond=19 ) properties (out of 79) seen :43
Incomplete Best-First random walk after 1000 steps, including 2 resets, run finished after 28 ms. (steps per millisecond=35 ) properties (out of 36) seen :0
Incomplete Best-First random walk after 1001 steps, including 2 resets, run finished after 35 ms. (steps per millisecond=28 ) properties (out of 36) seen :0
Incomplete Best-First random walk after 1000 steps, including 2 resets, run finished after 28 ms. (steps per millisecond=35 ) properties (out of 36) seen :0
Incomplete Best-First random walk after 1000 steps, including 2 resets, run finished after 24 ms. (steps per millisecond=41 ) properties (out of 36) seen :0
Incomplete Best-First random walk after 1001 steps, including 2 resets, run finished after 26 ms. (steps per millisecond=38 ) properties (out of 36) seen :0
Incomplete Best-First random walk after 1001 steps, including 2 resets, run finished after 21 ms. (steps per millisecond=47 ) properties (out of 36) seen :0
Incomplete Best-First random walk after 1001 steps, including 2 resets, run finished after 22 ms. (steps per millisecond=45 ) properties (out of 36) seen :0
Incomplete Best-First random walk after 1000 steps, including 2 resets, run finished after 23 ms. (steps per millisecond=43 ) properties (out of 36) seen :0
Incomplete Best-First random walk after 1000 steps, including 2 resets, run finished after 20 ms. (steps per millisecond=50 ) properties (out of 36) seen :0
Incomplete Best-First random walk after 1001 steps, including 2 resets, run finished after 20 ms. (steps per millisecond=50 ) properties (out of 36) seen :0
Incomplete Best-First random walk after 1001 steps, including 2 resets, run finished after 22 ms. (steps per millisecond=45 ) properties (out of 36) seen :0
Incomplete Best-First random walk after 1000 steps, including 2 resets, run finished after 30 ms. (steps per millisecond=33 ) properties (out of 36) seen :0
Incomplete Best-First random walk after 1001 steps, including 2 resets, run finished after 20 ms. (steps per millisecond=50 ) properties (out of 36) seen :0
Incomplete Best-First random walk after 1000 steps, including 2 resets, run finished after 19 ms. (steps per millisecond=52 ) properties (out of 36) seen :0
Incomplete Best-First random walk after 1000 steps, including 2 resets, run finished after 19 ms. (steps per millisecond=52 ) properties (out of 36) seen :0
Incomplete Best-First random walk after 1001 steps, including 2 resets, run finished after 19 ms. (steps per millisecond=52 ) properties (out of 36) seen :0
Incomplete Best-First random walk after 1001 steps, including 2 resets, run finished after 19 ms. (steps per millisecond=52 ) properties (out of 36) 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 36) 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 36) seen :0
Incomplete Best-First random walk after 1001 steps, including 2 resets, run finished after 19 ms. (steps per millisecond=52 ) properties (out of 36) 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 36) 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 36) 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 36) 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 36) seen :0
Incomplete Best-First random walk after 1001 steps, including 2 resets, run finished after 19 ms. (steps per millisecond=52 ) properties (out of 36) 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 36) seen :0
Incomplete Best-First random walk after 1001 steps, including 2 resets, run finished after 20 ms. (steps per millisecond=50 ) properties (out of 36) 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 36) 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 36) 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 36) 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 36) 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 36) 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 36) seen :0
Incomplete Best-First random walk after 1001 steps, including 2 resets, run finished after 26 ms. (steps per millisecond=38 ) properties (out of 36) seen :0
Incomplete Best-First random walk after 1001 steps, including 2 resets, run finished after 15 ms. (steps per millisecond=66 ) properties (out of 36) 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 36) seen :0
Running SMT prover for 36 properties.
[2023-03-23 18:14:02] [INFO ] Flow matrix only has 2064 transitions (discarded 40 similar events)
// Phase 1: matrix 2064 rows 952 cols
[2023-03-23 18:14:02] [INFO ] Computed 48 place invariants in 43 ms
[2023-03-23 18:14:04] [INFO ] [Real]Absence check using 15 positive place invariants in 16 ms returned sat
[2023-03-23 18:14:04] [INFO ] [Real]Absence check using 15 positive and 33 generalized place invariants in 46 ms returned sat
[2023-03-23 18:14:16] [INFO ] After 13133ms SMT Verify possible using all constraints in real domain returned unsat :1 sat :0 real:34
[2023-03-23 18:14:16] [INFO ] [Nat]Absence check using 15 positive place invariants in 12 ms returned sat
[2023-03-23 18:14:17] [INFO ] [Nat]Absence check using 15 positive and 33 generalized place invariants in 48 ms returned sat
[2023-03-23 18:14:41] [INFO ] After 24693ms SMT Verify possible using all constraints in natural domain returned unsat :34 sat :0
Fused 36 Parikh solutions to 1 different solutions.
Parikh walk visited 0 properties in 1 ms.
Support contains 28 out of 952 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 952/952 places, 2104/2104 transitions.
Drop transitions removed 80 transitions
Trivial Post-agglo rules discarded 80 transitions
Performed 80 trivial Post agglomeration. Transition count delta: 80
Iterating post reduction 0 with 80 rules applied. Total rules applied 80 place count 952 transition count 2024
Reduce places removed 80 places and 0 transitions.
Iterating post reduction 1 with 80 rules applied. Total rules applied 160 place count 872 transition count 2024
Performed 120 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 2 with 120 Pre rules applied. Total rules applied 160 place count 872 transition count 1904
Deduced a syphon composed of 120 places in 3 ms
Reduce places removed 120 places and 0 transitions.
Iterating global reduction 2 with 240 rules applied. Total rules applied 400 place count 752 transition count 1904
Discarding 6 places :
Symmetric choice reduction at 2 with 6 rule applications. Total rules 406 place count 746 transition count 1898
Iterating global reduction 2 with 6 rules applied. Total rules applied 412 place count 746 transition count 1898
Performed 40 Post agglomeration using F-continuation condition.Transition count delta: 40
Deduced a syphon composed of 40 places in 3 ms
Reduce places removed 40 places and 0 transitions.
Iterating global reduction 2 with 80 rules applied. Total rules applied 492 place count 706 transition count 1858
Free-agglomeration rule (complex) applied 29 times.
Iterating global reduction 2 with 29 rules applied. Total rules applied 521 place count 706 transition count 1829
Reduce places removed 29 places and 0 transitions.
Iterating post reduction 2 with 29 rules applied. Total rules applied 550 place count 677 transition count 1829
Applied a total of 550 rules in 315 ms. Remains 677 /952 variables (removed 275) and now considering 1829/2104 (removed 275) transitions.
[2023-03-23 18:14:41] [INFO ] Flow matrix only has 1789 transitions (discarded 40 similar events)
// Phase 1: matrix 1789 rows 677 cols
[2023-03-23 18:14:41] [INFO ] Computed 48 place invariants in 40 ms
[2023-03-23 18:14:43] [INFO ] Dead Transitions using invariants and state equation in 1651 ms found 0 transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 1967 ms. Remains : 677/952 places, 1829/2104 transitions.
Incomplete random walk after 10000 steps, including 2 resets, run finished after 197 ms. (steps per millisecond=50 ) properties (out of 2) seen :0
Incomplete Best-First random walk after 10001 steps, including 2 resets, run finished after 103 ms. (steps per millisecond=97 ) properties (out of 2) seen :0
Incomplete Best-First random walk after 10000 steps, including 2 resets, run finished after 60 ms. (steps per millisecond=166 ) properties (out of 2) seen :0
Interrupted probabilistic random walk after 104146 steps, run timeout after 3001 ms. (steps per millisecond=34 ) properties seen :{}
Probabilistic random walk after 104146 steps, saw 75303 distinct states, run finished after 3002 ms. (steps per millisecond=34 ) properties seen :0
Running SMT prover for 2 properties.
[2023-03-23 18:14:46] [INFO ] Flow matrix only has 1789 transitions (discarded 40 similar events)
[2023-03-23 18:14:46] [INFO ] Invariant cache hit.
[2023-03-23 18:14:46] [INFO ] [Real]Absence check using 15 positive place invariants in 7 ms returned sat
[2023-03-23 18:14:46] [INFO ] [Real]Absence check using 15 positive and 33 generalized place invariants in 43 ms returned sat
[2023-03-23 18:14:59] [INFO ] After 13284ms SMT Verify possible using all constraints in real domain returned unsat :0 sat :0 real:1
[2023-03-23 18:14:59] [INFO ] [Nat]Absence check using 15 positive place invariants in 6 ms returned sat
[2023-03-23 18:14:59] [INFO ] [Nat]Absence check using 15 positive and 33 generalized place invariants in 41 ms returned sat
[2023-03-23 18:15:19] [INFO ] After 19263ms SMT Verify possible using all constraints in natural domain returned unsat :0 sat :0
Fused 2 Parikh solutions to 1 different solutions.
Parikh walk visited 0 properties in 0 ms.
Support contains 28 out of 677 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 677/677 places, 1829/1829 transitions.
Applied a total of 0 rules in 50 ms. Remains 677 /677 variables (removed 0) and now considering 1829/1829 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 50 ms. Remains : 677/677 places, 1829/1829 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 677/677 places, 1829/1829 transitions.
Applied a total of 0 rules in 37 ms. Remains 677 /677 variables (removed 0) and now considering 1829/1829 (removed 0) transitions.
[2023-03-23 18:15:19] [INFO ] Flow matrix only has 1789 transitions (discarded 40 similar events)
[2023-03-23 18:15:19] [INFO ] Invariant cache hit.
[2023-03-23 18:15:19] [INFO ] Implicit Places using invariants in 733 ms returned []
[2023-03-23 18:15:19] [INFO ] Flow matrix only has 1789 transitions (discarded 40 similar events)
[2023-03-23 18:15:19] [INFO ] Invariant cache hit.
[2023-03-23 18:15:20] [INFO ] State equation strengthened by 200 read => feed constraints.
[2023-03-23 18:15:50] [INFO ] Performed 398/677 implicitness test of which 0 returned IMPLICIT in 30 seconds.
[2023-03-23 18:16:07] [INFO ] Implicit Places using invariants and state equation in 47420 ms returned []
Implicit Place search using SMT with State Equation took 48157 ms to find 0 implicit places.
[2023-03-23 18:16:07] [INFO ] Redundant transitions in 118 ms returned []
[2023-03-23 18:16:07] [INFO ] Flow matrix only has 1789 transitions (discarded 40 similar events)
[2023-03-23 18:16:07] [INFO ] Invariant cache hit.
[2023-03-23 18:16:09] [INFO ] Dead Transitions using invariants and state equation in 1661 ms found 0 transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 49987 ms. Remains : 677/677 places, 1829/1829 transitions.
Successfully simplified 34 atomic propositions for a total of 16 simplifications.
FORMULA PolyORBLF-PT-S04J06T10-CTLFireability-08 TRUE TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA PolyORBLF-PT-S04J06T10-CTLFireability-10 TRUE TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA PolyORBLF-PT-S04J06T10-CTLFireability-13 TRUE TECHNIQUES TOPOLOGICAL INITIAL_STATE
[2023-03-23 18:16:09] [INFO ] Initial state reduction rules for CTL removed 1 formulas.
[2023-03-23 18:16:09] [INFO ] Flatten gal took : 98 ms
FORMULA PolyORBLF-PT-S04J06T10-CTLFireability-09 FALSE TECHNIQUES TOPOLOGICAL INITIAL_STATE
[2023-03-23 18:16:09] [INFO ] Flatten gal took : 90 ms
[2023-03-23 18:16:09] [INFO ] Input system was already deterministic with 2104 transitions.
Support contains 464 out of 952 places (down from 468) after GAL structural reductions.
Computed a total of 0 stabilizing places and 0 stable transitions
Starting structural reductions in LTL mode, iteration 0 : 952/952 places, 2104/2104 transitions.
Discarding 10 places :
Symmetric choice reduction at 0 with 10 rule applications. Total rules 10 place count 942 transition count 2094
Iterating global reduction 0 with 10 rules applied. Total rules applied 20 place count 942 transition count 2094
Discarding 10 places :
Symmetric choice reduction at 0 with 10 rule applications. Total rules 30 place count 932 transition count 2084
Iterating global reduction 0 with 10 rules applied. Total rules applied 40 place count 932 transition count 2084
Applied a total of 40 rules in 39 ms. Remains 932 /952 variables (removed 20) and now considering 2084/2104 (removed 20) transitions.
[2023-03-23 18:16:09] [INFO ] Flow matrix only has 2044 transitions (discarded 40 similar events)
// Phase 1: matrix 2044 rows 932 cols
[2023-03-23 18:16:09] [INFO ] Computed 48 place invariants in 46 ms
[2023-03-23 18:16:12] [INFO ] Dead Transitions using invariants and state equation in 3041 ms found 0 transitions.
Finished structural reductions in LTL mode , in 1 iterations and 3083 ms. Remains : 932/952 places, 2084/2104 transitions.
[2023-03-23 18:16:12] [INFO ] Flatten gal took : 71 ms
[2023-03-23 18:16:12] [INFO ] Flatten gal took : 77 ms
[2023-03-23 18:16:12] [INFO ] Input system was already deterministic with 2084 transitions.
Starting structural reductions in LTL mode, iteration 0 : 952/952 places, 2104/2104 transitions.
Discarding 10 places :
Symmetric choice reduction at 0 with 10 rule applications. Total rules 10 place count 942 transition count 2094
Iterating global reduction 0 with 10 rules applied. Total rules applied 20 place count 942 transition count 2094
Discarding 10 places :
Symmetric choice reduction at 0 with 10 rule applications. Total rules 30 place count 932 transition count 2084
Iterating global reduction 0 with 10 rules applied. Total rules applied 40 place count 932 transition count 2084
Applied a total of 40 rules in 37 ms. Remains 932 /952 variables (removed 20) and now considering 2084/2104 (removed 20) transitions.
[2023-03-23 18:16:13] [INFO ] Flow matrix only has 2044 transitions (discarded 40 similar events)
[2023-03-23 18:16:13] [INFO ] Invariant cache hit.
[2023-03-23 18:16:15] [INFO ] Dead Transitions using invariants and state equation in 2903 ms found 0 transitions.
Finished structural reductions in LTL mode , in 1 iterations and 2945 ms. Remains : 932/952 places, 2084/2104 transitions.
[2023-03-23 18:16:16] [INFO ] Flatten gal took : 70 ms
[2023-03-23 18:16:16] [INFO ] Flatten gal took : 76 ms
[2023-03-23 18:16:16] [INFO ] Input system was already deterministic with 2084 transitions.
Starting structural reductions in LTL mode, iteration 0 : 952/952 places, 2104/2104 transitions.
Discarding 10 places :
Symmetric choice reduction at 0 with 10 rule applications. Total rules 10 place count 942 transition count 2094
Iterating global reduction 0 with 10 rules applied. Total rules applied 20 place count 942 transition count 2094
Discarding 10 places :
Symmetric choice reduction at 0 with 10 rule applications. Total rules 30 place count 932 transition count 2084
Iterating global reduction 0 with 10 rules applied. Total rules applied 40 place count 932 transition count 2084
Applied a total of 40 rules in 36 ms. Remains 932 /952 variables (removed 20) and now considering 2084/2104 (removed 20) transitions.
[2023-03-23 18:16:16] [INFO ] Flow matrix only has 2044 transitions (discarded 40 similar events)
[2023-03-23 18:16:16] [INFO ] Invariant cache hit.
[2023-03-23 18:16:19] [INFO ] Dead Transitions using invariants and state equation in 2895 ms found 0 transitions.
Finished structural reductions in LTL mode , in 1 iterations and 2934 ms. Remains : 932/952 places, 2084/2104 transitions.
[2023-03-23 18:16:19] [INFO ] Flatten gal took : 61 ms
[2023-03-23 18:16:19] [INFO ] Flatten gal took : 70 ms
[2023-03-23 18:16:19] [INFO ] Input system was already deterministic with 2084 transitions.
Starting structural reductions in LTL mode, iteration 0 : 952/952 places, 2104/2104 transitions.
Discarding 10 places :
Symmetric choice reduction at 0 with 10 rule applications. Total rules 10 place count 942 transition count 2094
Iterating global reduction 0 with 10 rules applied. Total rules applied 20 place count 942 transition count 2094
Applied a total of 20 rules in 26 ms. Remains 942 /952 variables (removed 10) and now considering 2094/2104 (removed 10) transitions.
[2023-03-23 18:16:19] [INFO ] Flow matrix only has 2054 transitions (discarded 40 similar events)
// Phase 1: matrix 2054 rows 942 cols
[2023-03-23 18:16:19] [INFO ] Computed 48 place invariants in 48 ms
[2023-03-23 18:16:22] [INFO ] Dead Transitions using invariants and state equation in 3180 ms found 0 transitions.
Finished structural reductions in LTL mode , in 1 iterations and 3207 ms. Remains : 942/952 places, 2094/2104 transitions.
[2023-03-23 18:16:22] [INFO ] Flatten gal took : 61 ms
[2023-03-23 18:16:22] [INFO ] Flatten gal took : 65 ms
[2023-03-23 18:16:22] [INFO ] Input system was already deterministic with 2094 transitions.
Starting structural reductions in SI_CTL mode, iteration 0 : 952/952 places, 2104/2104 transitions.
Drop transitions removed 50 transitions
Trivial Post-agglo rules discarded 50 transitions
Performed 50 trivial Post agglomeration. Transition count delta: 50
Iterating post reduction 0 with 50 rules applied. Total rules applied 50 place count 952 transition count 2054
Reduce places removed 50 places and 0 transitions.
Iterating post reduction 1 with 50 rules applied. Total rules applied 100 place count 902 transition count 2054
Performed 120 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 2 with 120 Pre rules applied. Total rules applied 100 place count 902 transition count 1934
Deduced a syphon composed of 120 places in 1 ms
Reduce places removed 120 places and 0 transitions.
Iterating global reduction 2 with 240 rules applied. Total rules applied 340 place count 782 transition count 1934
Discarding 10 places :
Symmetric choice reduction at 2 with 10 rule applications. Total rules 350 place count 772 transition count 1924
Iterating global reduction 2 with 10 rules applied. Total rules applied 360 place count 772 transition count 1924
Performed 70 Post agglomeration using F-continuation condition.Transition count delta: 70
Deduced a syphon composed of 70 places in 1 ms
Reduce places removed 70 places and 0 transitions.
Iterating global reduction 2 with 140 rules applied. Total rules applied 500 place count 702 transition count 1854
Applied a total of 500 rules in 157 ms. Remains 702 /952 variables (removed 250) and now considering 1854/2104 (removed 250) transitions.
[2023-03-23 18:16:23] [INFO ] Flow matrix only has 1814 transitions (discarded 40 similar events)
// Phase 1: matrix 1814 rows 702 cols
[2023-03-23 18:16:23] [INFO ] Computed 48 place invariants in 37 ms
[2023-03-23 18:16:24] [INFO ] Dead Transitions using invariants and state equation in 1650 ms found 0 transitions.
Finished structural reductions in SI_CTL mode , in 1 iterations and 1808 ms. Remains : 702/952 places, 1854/2104 transitions.
[2023-03-23 18:16:24] [INFO ] Flatten gal took : 54 ms
[2023-03-23 18:16:24] [INFO ] Flatten gal took : 58 ms
[2023-03-23 18:16:25] [INFO ] Input system was already deterministic with 1854 transitions.
Starting structural reductions in SI_CTL mode, iteration 0 : 952/952 places, 2104/2104 transitions.
Drop transitions removed 70 transitions
Trivial Post-agglo rules discarded 70 transitions
Performed 70 trivial Post agglomeration. Transition count delta: 70
Iterating post reduction 0 with 70 rules applied. Total rules applied 70 place count 952 transition count 2034
Reduce places removed 70 places and 0 transitions.
Iterating post reduction 1 with 70 rules applied. Total rules applied 140 place count 882 transition count 2034
Performed 130 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 2 with 130 Pre rules applied. Total rules applied 140 place count 882 transition count 1904
Deduced a syphon composed of 130 places in 1 ms
Reduce places removed 130 places and 0 transitions.
Iterating global reduction 2 with 260 rules applied. Total rules applied 400 place count 752 transition count 1904
Discarding 10 places :
Symmetric choice reduction at 2 with 10 rule applications. Total rules 410 place count 742 transition count 1894
Iterating global reduction 2 with 10 rules applied. Total rules applied 420 place count 742 transition count 1894
Performed 50 Post agglomeration using F-continuation condition.Transition count delta: 50
Deduced a syphon composed of 50 places in 0 ms
Reduce places removed 50 places and 0 transitions.
Iterating global reduction 2 with 100 rules applied. Total rules applied 520 place count 692 transition count 1844
Applied a total of 520 rules in 109 ms. Remains 692 /952 variables (removed 260) and now considering 1844/2104 (removed 260) transitions.
[2023-03-23 18:16:25] [INFO ] Flow matrix only has 1804 transitions (discarded 40 similar events)
// Phase 1: matrix 1804 rows 692 cols
[2023-03-23 18:16:25] [INFO ] Computed 48 place invariants in 38 ms
[2023-03-23 18:16:26] [INFO ] Dead Transitions using invariants and state equation in 1608 ms found 0 transitions.
Finished structural reductions in SI_CTL mode , in 1 iterations and 1719 ms. Remains : 692/952 places, 1844/2104 transitions.
[2023-03-23 18:16:26] [INFO ] Flatten gal took : 54 ms
[2023-03-23 18:16:26] [INFO ] Flatten gal took : 80 ms
[2023-03-23 18:16:27] [INFO ] Input system was already deterministic with 1844 transitions.
Starting structural reductions in LTL mode, iteration 0 : 952/952 places, 2104/2104 transitions.
Discarding 10 places :
Symmetric choice reduction at 0 with 10 rule applications. Total rules 10 place count 942 transition count 2094
Iterating global reduction 0 with 10 rules applied. Total rules applied 20 place count 942 transition count 2094
Discarding 10 places :
Symmetric choice reduction at 0 with 10 rule applications. Total rules 30 place count 932 transition count 2084
Iterating global reduction 0 with 10 rules applied. Total rules applied 40 place count 932 transition count 2084
Applied a total of 40 rules in 74 ms. Remains 932 /952 variables (removed 20) and now considering 2084/2104 (removed 20) transitions.
[2023-03-23 18:16:27] [INFO ] Flow matrix only has 2044 transitions (discarded 40 similar events)
// Phase 1: matrix 2044 rows 932 cols
[2023-03-23 18:16:27] [INFO ] Computed 48 place invariants in 42 ms
[2023-03-23 18:16:30] [INFO ] Dead Transitions using invariants and state equation in 3032 ms found 0 transitions.
Finished structural reductions in LTL mode , in 1 iterations and 3110 ms. Remains : 932/952 places, 2084/2104 transitions.
[2023-03-23 18:16:30] [INFO ] Flatten gal took : 60 ms
[2023-03-23 18:16:30] [INFO ] Flatten gal took : 64 ms
[2023-03-23 18:16:30] [INFO ] Input system was already deterministic with 2084 transitions.
Starting structural reductions in LTL mode, iteration 0 : 952/952 places, 2104/2104 transitions.
Discarding 10 places :
Symmetric choice reduction at 0 with 10 rule applications. Total rules 10 place count 942 transition count 2094
Iterating global reduction 0 with 10 rules applied. Total rules applied 20 place count 942 transition count 2094
Applied a total of 20 rules in 39 ms. Remains 942 /952 variables (removed 10) and now considering 2094/2104 (removed 10) transitions.
[2023-03-23 18:16:30] [INFO ] Flow matrix only has 2054 transitions (discarded 40 similar events)
// Phase 1: matrix 2054 rows 942 cols
[2023-03-23 18:16:30] [INFO ] Computed 48 place invariants in 43 ms
[2023-03-23 18:16:33] [INFO ] Dead Transitions using invariants and state equation in 3188 ms found 0 transitions.
Finished structural reductions in LTL mode , in 1 iterations and 3233 ms. Remains : 942/952 places, 2094/2104 transitions.
[2023-03-23 18:16:33] [INFO ] Flatten gal took : 60 ms
[2023-03-23 18:16:33] [INFO ] Flatten gal took : 67 ms
[2023-03-23 18:16:33] [INFO ] Input system was already deterministic with 2094 transitions.
Starting structural reductions in SI_CTL mode, iteration 0 : 952/952 places, 2104/2104 transitions.
Drop transitions removed 90 transitions
Trivial Post-agglo rules discarded 90 transitions
Performed 90 trivial Post agglomeration. Transition count delta: 90
Iterating post reduction 0 with 90 rules applied. Total rules applied 90 place count 952 transition count 2014
Reduce places removed 90 places and 0 transitions.
Iterating post reduction 1 with 90 rules applied. Total rules applied 180 place count 862 transition count 2014
Performed 120 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 2 with 120 Pre rules applied. Total rules applied 180 place count 862 transition count 1894
Deduced a syphon composed of 120 places in 1 ms
Reduce places removed 120 places and 0 transitions.
Iterating global reduction 2 with 240 rules applied. Total rules applied 420 place count 742 transition count 1894
Discarding 6 places :
Symmetric choice reduction at 2 with 6 rule applications. Total rules 426 place count 736 transition count 1888
Iterating global reduction 2 with 6 rules applied. Total rules applied 432 place count 736 transition count 1888
Performed 100 Post agglomeration using F-continuation condition.Transition count delta: 100
Deduced a syphon composed of 100 places in 1 ms
Reduce places removed 100 places and 0 transitions.
Iterating global reduction 2 with 200 rules applied. Total rules applied 632 place count 636 transition count 1788
Applied a total of 632 rules in 111 ms. Remains 636 /952 variables (removed 316) and now considering 1788/2104 (removed 316) transitions.
[2023-03-23 18:16:34] [INFO ] Flow matrix only has 1748 transitions (discarded 40 similar events)
// Phase 1: matrix 1748 rows 636 cols
[2023-03-23 18:16:34] [INFO ] Computed 48 place invariants in 35 ms
[2023-03-23 18:16:35] [INFO ] Dead Transitions using invariants and state equation in 1426 ms found 0 transitions.
Finished structural reductions in SI_CTL mode , in 1 iterations and 1540 ms. Remains : 636/952 places, 1788/2104 transitions.
[2023-03-23 18:16:35] [INFO ] Flatten gal took : 52 ms
[2023-03-23 18:16:35] [INFO ] Flatten gal took : 56 ms
[2023-03-23 18:16:35] [INFO ] Input system was already deterministic with 1788 transitions.
Starting structural reductions in LTL mode, iteration 0 : 952/952 places, 2104/2104 transitions.
Discarding 10 places :
Symmetric choice reduction at 0 with 10 rule applications. Total rules 10 place count 942 transition count 2094
Iterating global reduction 0 with 10 rules applied. Total rules applied 20 place count 942 transition count 2094
Discarding 10 places :
Symmetric choice reduction at 0 with 10 rule applications. Total rules 30 place count 932 transition count 2084
Iterating global reduction 0 with 10 rules applied. Total rules applied 40 place count 932 transition count 2084
Applied a total of 40 rules in 43 ms. Remains 932 /952 variables (removed 20) and now considering 2084/2104 (removed 20) transitions.
[2023-03-23 18:16:35] [INFO ] Flow matrix only has 2044 transitions (discarded 40 similar events)
// Phase 1: matrix 2044 rows 932 cols
[2023-03-23 18:16:35] [INFO ] Computed 48 place invariants in 45 ms
[2023-03-23 18:16:39] [INFO ] Dead Transitions using invariants and state equation in 3166 ms found 0 transitions.
Finished structural reductions in LTL mode , in 1 iterations and 3211 ms. Remains : 932/952 places, 2084/2104 transitions.
[2023-03-23 18:16:39] [INFO ] Flatten gal took : 59 ms
[2023-03-23 18:16:39] [INFO ] Flatten gal took : 63 ms
[2023-03-23 18:16:39] [INFO ] Input system was already deterministic with 2084 transitions.
Starting structural reductions in SI_CTL mode, iteration 0 : 952/952 places, 2104/2104 transitions.
Drop transitions removed 90 transitions
Trivial Post-agglo rules discarded 90 transitions
Performed 90 trivial Post agglomeration. Transition count delta: 90
Iterating post reduction 0 with 90 rules applied. Total rules applied 90 place count 952 transition count 2014
Reduce places removed 90 places and 0 transitions.
Iterating post reduction 1 with 90 rules applied. Total rules applied 180 place count 862 transition count 2014
Performed 120 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 2 with 120 Pre rules applied. Total rules applied 180 place count 862 transition count 1894
Deduced a syphon composed of 120 places in 1 ms
Reduce places removed 120 places and 0 transitions.
Iterating global reduction 2 with 240 rules applied. Total rules applied 420 place count 742 transition count 1894
Discarding 6 places :
Symmetric choice reduction at 2 with 6 rule applications. Total rules 426 place count 736 transition count 1888
Iterating global reduction 2 with 6 rules applied. Total rules applied 432 place count 736 transition count 1888
Performed 100 Post agglomeration using F-continuation condition.Transition count delta: 100
Deduced a syphon composed of 100 places in 1 ms
Reduce places removed 100 places and 0 transitions.
Iterating global reduction 2 with 200 rules applied. Total rules applied 632 place count 636 transition count 1788
Applied a total of 632 rules in 103 ms. Remains 636 /952 variables (removed 316) and now considering 1788/2104 (removed 316) transitions.
[2023-03-23 18:16:39] [INFO ] Flow matrix only has 1748 transitions (discarded 40 similar events)
// Phase 1: matrix 1748 rows 636 cols
[2023-03-23 18:16:39] [INFO ] Computed 48 place invariants in 33 ms
[2023-03-23 18:16:40] [INFO ] Dead Transitions using invariants and state equation in 1483 ms found 0 transitions.
Finished structural reductions in SI_CTL mode , in 1 iterations and 1589 ms. Remains : 636/952 places, 1788/2104 transitions.
[2023-03-23 18:16:40] [INFO ] Flatten gal took : 50 ms
[2023-03-23 18:16:40] [INFO ] Flatten gal took : 55 ms
[2023-03-23 18:16:41] [INFO ] Input system was already deterministic with 1788 transitions.
Starting structural reductions in LTL mode, iteration 0 : 952/952 places, 2104/2104 transitions.
Discarding 10 places :
Symmetric choice reduction at 0 with 10 rule applications. Total rules 10 place count 942 transition count 2094
Iterating global reduction 0 with 10 rules applied. Total rules applied 20 place count 942 transition count 2094
Discarding 10 places :
Symmetric choice reduction at 0 with 10 rule applications. Total rules 30 place count 932 transition count 2084
Iterating global reduction 0 with 10 rules applied. Total rules applied 40 place count 932 transition count 2084
Applied a total of 40 rules in 42 ms. Remains 932 /952 variables (removed 20) and now considering 2084/2104 (removed 20) transitions.
[2023-03-23 18:16:41] [INFO ] Flow matrix only has 2044 transitions (discarded 40 similar events)
// Phase 1: matrix 2044 rows 932 cols
[2023-03-23 18:16:41] [INFO ] Computed 48 place invariants in 42 ms
[2023-03-23 18:16:44] [INFO ] Dead Transitions using invariants and state equation in 3180 ms found 0 transitions.
Finished structural reductions in LTL mode , in 1 iterations and 3223 ms. Remains : 932/952 places, 2084/2104 transitions.
[2023-03-23 18:16:44] [INFO ] Flatten gal took : 58 ms
[2023-03-23 18:16:44] [INFO ] Flatten gal took : 62 ms
[2023-03-23 18:16:44] [INFO ] Input system was already deterministic with 2084 transitions.
[2023-03-23 18:16:44] [INFO ] Flatten gal took : 71 ms
[2023-03-23 18:16:44] [INFO ] Flatten gal took : 72 ms
[2023-03-23 18:16:44] [INFO ] Export to MCC of 12 properties in file /home/mcc/execution/CTLFireability.sr.xml took 14 ms.
[2023-03-23 18:16:44] [INFO ] Export to PNML in file /home/mcc/execution/model.sr.pnml of net with 952 places, 2104 transitions and 9360 arcs took 11 ms.
Total runtime 169501 ms.
There are residual formulas that ITS could not solve within timeout
timeout --kill-after=10s --signal=SIGINT 1m for testing only

Marcie built on Linux at 2019-11-18.
A model checker for Generalized Stochastic Petri nets

authors: Alex Tovchigrechko (IDD package and CTL model checking)

Martin Schwarick (Symbolic numerical analysis and CSL model checking)

Christian Rohr (Simulative and approximative numerical model checking)

marcie@informatik.tu-cottbus.de

called as: /home/mcc/BenchKit/bin//../reducer/bin//../../marcie/bin/marcie --net-file=model.pnml --mcc-file=CTLFireability.xml --memory=6 --mcc-mode

parse successfull
net created successfully

Net: Petri
(NrP: 952 NrTr: 2104 NrArc: 9360)

parse formulas
formulas created successfully
place and transition orderings generation:0m 0.216sec

net check time: 0m 0.001sec

init dd package: 0m 2.819sec

TIME LIMIT: Killed by timeout after 3600 seconds
MemTotal: 16393216 kB
MemFree: 9957592 kB
After kill :
MemTotal: 16393216 kB
MemFree: 16090552 kB

BK_TIME_CONFINEMENT_REACHED

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

+ ulimit -s 65536
+ [[ -z '' ]]
+ export LTSMIN_MEM_SIZE=8589934592
+ LTSMIN_MEM_SIZE=8589934592
+ export PYTHONPATH=/home/mcc/BenchKit/itstools/pylibs
+ PYTHONPATH=/home/mcc/BenchKit/itstools/pylibs
+ export LD_LIBRARY_PATH=/home/mcc/BenchKit/itstools/pylibs:
+ LD_LIBRARY_PATH=/home/mcc/BenchKit/itstools/pylibs:
++ 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 CTLFireability -timeout 360 -rebuildPNML
check for maximal unmarked siphon
ok
check for constant places
ok
check if there are places and transitions
ok
check if there are transitions without pre-places
ok
check if at least one transition is enabled in m0
ok
check if there are transitions that can never fire
ok


initing FirstDep: 0m 0.046sec

123917 163209 185799 197078 225592 247159 261291 279427 296936 295204 294303 328367 330497 342914 349925 345177 360039 366685 374679

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="PolyORBLF-PT-S04J06T10"
export BK_EXAMINATION="CTLFireability"
export BK_TOOL="marciexred"
export BK_RESULT_DIR="/tmp/BK_RESULTS/OUTPUTS"
export BK_TIME_CONFINEMENT="3600"
export BK_MEMORY_CONFINEMENT="16384"
export BK_BIN_PATH="/home/mcc/BenchKit/bin/"

# this is specific to your benchmark or test

export BIN_DIR="$HOME/BenchKit/bin"

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

# this is for BenchKit: explicit launching of the test
echo "====================================================================="
echo " Generated by BenchKit 2-5348"
echo " Executing tool marciexred"
echo " Input is PolyORBLF-PT-S04J06T10, examination is CTLFireability"
echo " Time confinement is $BK_TIME_CONFINEMENT seconds"
echo " Memory confinement is 16384 MBytes"
echo " Number of cores is 4"
echo " Run identifier is r298-tall-167873951900578"
echo "====================================================================="
echo
echo "--------------------"
echo "preparation of the directory to be used:"

tar xzf /home/mcc/BenchKit/INPUTS/PolyORBLF-PT-S04J06T10.tgz
mv PolyORBLF-PT-S04J06T10 execution
cd execution
if [ "CTLFireability" = "ReachabilityDeadlock" ] || [ "CTLFireability" = "UpperBounds" ] || [ "CTLFireability" = "QuasiLiveness" ] || [ "CTLFireability" = "StableMarking" ] || [ "CTLFireability" = "Liveness" ] || [ "CTLFireability" = "OneSafe" ] || [ "CTLFireability" = "StateSpace" ]; then
rm -f GenericPropertiesVerdict.xml
fi
pwd
ls -lh

echo
echo "--------------------"
echo "content from stdout:"
echo
echo "=== Data for post analysis generated by BenchKit (invocation template)"
echo
if [ "CTLFireability" = "UpperBounds" ] ; then
echo "The expected result is a vector of positive values"
echo NUM_VECTOR
elif [ "CTLFireability" != "StateSpace" ] ; then
echo "The expected result is a vector of booleans"
echo BOOL_VECTOR
else
echo "no data necessary for post analysis"
fi
echo
if [ -f "CTLFireability.txt" ] ; then
echo "here is the order used to build the result vector(from text file)"
for x in $(grep Property CTLFireability.txt | cut -d ' ' -f 2 | sort -u) ; do
echo "FORMULA_NAME $x"
done
elif [ -f "CTLFireability.xml" ] ; then # for cunf (txt files deleted;-)
echo echo "here is the order used to build the result vector(from xml file)"
for x in $(grep '' CTLFireability.xml | cut -d '>' -f 2 | cut -d '<' -f 1 | sort -u) ; do
echo "FORMULA_NAME $x"
done
elif [ "CTLFireability" = "ReachabilityDeadlock" ] || [ "CTLFireability" = "QuasiLiveness" ] || [ "CTLFireability" = "StableMarking" ] || [ "CTLFireability" = "Liveness" ] || [ "CTLFireability" = "OneSafe" ] ; then
echo "FORMULA_NAME CTLFireability"
fi
echo
echo "=== Now, execution of the tool begins"
echo
echo -n "BK_START "
date -u +%s%3N
echo
timeout -s 9 $BK_TIME_CONFINEMENT bash -c "/home/mcc/BenchKit/BenchKit_head.sh 2> STDERR ; echo ; echo -n \"BK_STOP \" ; date -u +%s%3N"
if [ $? -eq 137 ] ; then
echo
echo "BK_TIME_CONFINEMENT_REACHED"
fi
echo
echo "--------------------"
echo "content from stderr:"
echo
cat STDERR ;