About the Execution of ITS-Tools for DES-PT-40a
| Execution Summary | |||||
| Max Memory Used (MB) |
Time wait (ms) | CPU Usage (ms) | I/O Wait (ms) | Computed Result | Execution Status |
| 1905.168 | 116626.00 | 280011.00 | 292.80 | TTTFFTFFTTTTTFTT | 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.r101-tall-167814475400463.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)
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=====================================================================
Generated by BenchKit 2-5348
Executing tool itstools
Input is DES-PT-40a, examination is ReachabilityFireability
Time confinement is 3600 seconds
Memory confinement is 16384 MBytes
Number of cores is 4
Run identifier is r101-tall-167814475400463
=====================================================================
--------------------
preparation of the directory to be used:
/home/mcc/execution
total 496K
-rw-r--r-- 1 mcc users 6.4K Feb 26 15:44 CTLCardinality.txt
-rw-r--r-- 1 mcc users 70K Feb 26 15:44 CTLCardinality.xml
-rw-r--r-- 1 mcc users 4.9K Feb 26 15:41 CTLFireability.txt
-rw-r--r-- 1 mcc users 45K Feb 26 15:41 CTLFireability.xml
-rw-r--r-- 1 mcc users 4.2K Jan 29 11:40 GenericPropertiesDefinition.xml
-rw-r--r-- 1 mcc users 6.6K Jan 29 11:40 GenericPropertiesVerdict.xml
-rw-r--r-- 1 mcc users 3.5K Feb 25 15:50 LTLCardinality.txt
-rw-r--r-- 1 mcc users 25K Feb 25 15:50 LTLCardinality.xml
-rw-r--r-- 1 mcc users 2.1K Feb 25 15:50 LTLFireability.txt
-rw-r--r-- 1 mcc users 16K Feb 25 15:50 LTLFireability.xml
-rw-r--r-- 1 mcc users 12K Feb 26 15:46 ReachabilityCardinality.txt
-rw-r--r-- 1 mcc users 123K Feb 26 15:46 ReachabilityCardinality.xml
-rw-r--r-- 1 mcc users 5.6K Feb 26 15:45 ReachabilityFireability.txt
-rw-r--r-- 1 mcc users 43K Feb 26 15:45 ReachabilityFireability.xml
-rw-r--r-- 1 mcc users 1.5K Feb 25 15:50 UpperBounds.txt
-rw-r--r-- 1 mcc users 3.5K Feb 25 15:50 UpperBounds.xml
-rw-r--r-- 1 mcc users 6 Mar 5 18:22 equiv_col
-rw-r--r-- 1 mcc users 4 Mar 5 18:22 instance
-rw-r--r-- 1 mcc users 6 Mar 5 18:22 iscolored
-rw-r--r-- 1 mcc users 83K 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 DES-PT-40a-ReachabilityFireability-00
FORMULA_NAME DES-PT-40a-ReachabilityFireability-01
FORMULA_NAME DES-PT-40a-ReachabilityFireability-02
FORMULA_NAME DES-PT-40a-ReachabilityFireability-03
FORMULA_NAME DES-PT-40a-ReachabilityFireability-04
FORMULA_NAME DES-PT-40a-ReachabilityFireability-05
FORMULA_NAME DES-PT-40a-ReachabilityFireability-06
FORMULA_NAME DES-PT-40a-ReachabilityFireability-07
FORMULA_NAME DES-PT-40a-ReachabilityFireability-08
FORMULA_NAME DES-PT-40a-ReachabilityFireability-09
FORMULA_NAME DES-PT-40a-ReachabilityFireability-10
FORMULA_NAME DES-PT-40a-ReachabilityFireability-11
FORMULA_NAME DES-PT-40a-ReachabilityFireability-12
FORMULA_NAME DES-PT-40a-ReachabilityFireability-13
FORMULA_NAME DES-PT-40a-ReachabilityFireability-14
FORMULA_NAME DES-PT-40a-ReachabilityFireability-15
=== Now, execution of the tool begins
BK_START 1678273661797
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=itstools
BK_EXAMINATION=ReachabilityFireability
BK_BIN_PATH=/home/mcc/BenchKit/bin/
BK_TIME_CONFINEMENT=3600
BK_INPUT=DES-PT-40a
Not applying reductions.
Model is PT
ReachabilityFireability PT
Running Version 202303021504
[2023-03-08 11:07:43] [INFO ] Running its-tools with arguments : [-pnfolder, /home/mcc/execution, -examination, ReachabilityFireability, -its, -ltsmin, -greatspnpath, /home/mcc/BenchKit/bin//../itstools/bin//..//greatspn/, -order, META, -manyOrder, -smt, -timeout, 3600]
[2023-03-08 11:07:43] [INFO ] Parsing pnml file : /home/mcc/execution/model.pnml
[2023-03-08 11:07:43] [INFO ] Load time of PNML (sax parser for PT used): 56 ms
[2023-03-08 11:07:43] [INFO ] Transformed 274 places.
[2023-03-08 11:07:43] [INFO ] Transformed 231 transitions.
[2023-03-08 11:07:43] [INFO ] Found NUPN structural information;
[2023-03-08 11:07:43] [INFO ] Parsed PT model containing 274 places and 231 transitions and 1116 arcs in 121 ms.
Parsed 16 properties from file /home/mcc/execution/ReachabilityFireability.xml in 8 ms.
Working with output stream class java.io.PrintStream
Ensure Unique test removed 14 transitions
Reduce redundant transitions removed 14 transitions.
[2023-03-08 11:07:43] [INFO ] Flatten gal took : 149 ms
[2023-03-08 11:07:43] [INFO ] Flatten gal took : 32 ms
Incomplete random walk after 10000 steps, including 228 resets, run finished after 580 ms. (steps per millisecond=17 ) properties (out of 16) seen :2
FORMULA DES-PT-40a-ReachabilityFireability-11 TRUE TECHNIQUES TOPOLOGICAL RANDOM_WALK
FORMULA DES-PT-40a-ReachabilityFireability-03 FALSE TECHNIQUES TOPOLOGICAL RANDOM_WALK
[2023-03-08 11:07:44] [INFO ] Time to serialize gal into /tmp/ReachabilityCardinality7376819267598302210.gal : 12 ms
[2023-03-08 11:07:44] [INFO ] Time to serialize properties into /tmp/ReachabilityCardinality1592954725470870505.prop : 2 ms
Invoking ITS tools like this :cd /home/mcc/execution;'/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202303021504/bin/its-reach-linux64' '--gc-threshold' '2000000' '--quiet' '-i' '/tmp/ReachabilityCardinality7376819267598302210.gal' '-t' 'CGAL' '-reachable-file' '/tmp/ReachabilityCardinality1592954725470870505.prop' '--nowitness' '--gen-order' 'FOLLOW'
its-reach command run as :
/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202303021504/bin/its-reach-linux64 --gc-threshold 2000000 --quiet ...328
Loading property file /tmp/ReachabilityCardinality1592954725470870505.prop.
Incomplete Best-First random walk after 10000 steps, including 43 resets, run finished after 112 ms. (steps per millisecond=89 ) properties (out of 14) seen :0
SDD proceeding with computation,16 properties remain. new max is 4
SDD size :1 after 5
SDD proceeding with computation,16 properties remain. new max is 8
SDD size :5 after 14
SDD proceeding with computation,16 properties remain. new max is 16
SDD size :14 after 17
SDD proceeding with computation,16 properties remain. new max is 32
SDD size :17 after 55
SDD proceeding with computation,16 properties remain. new max is 64
SDD size :55 after 67
SDD proceeding with computation,16 properties remain. new max is 128
SDD size :67 after 173
Incomplete Best-First random walk after 10001 steps, including 59 resets, run finished after 94 ms. (steps per millisecond=106 ) properties (out of 14) seen :0
SDD proceeding with computation,16 properties remain. new max is 256
SDD size :173 after 1587
Incomplete Best-First random walk after 10001 steps, including 56 resets, run finished after 126 ms. (steps per millisecond=79 ) properties (out of 14) seen :0
Incomplete Best-First random walk after 10001 steps, including 52 resets, run finished after 68 ms. (steps per millisecond=147 ) properties (out of 14) seen :0
SDD proceeding with computation,16 properties remain. new max is 512
SDD size :1587 after 3869
Incomplete Best-First random walk after 10001 steps, including 48 resets, run finished after 100 ms. (steps per millisecond=100 ) properties (out of 14) seen :1
FORMULA DES-PT-40a-ReachabilityFireability-05 TRUE TECHNIQUES TOPOLOGICAL BESTFIRST_WALK
Incomplete Best-First random walk after 10001 steps, including 45 resets, run finished after 73 ms. (steps per millisecond=137 ) properties (out of 13) seen :0
Reachability property DES-PT-40a-ReachabilityFireability-11 is true.
Incomplete Best-First random walk after 10001 steps, including 45 resets, run finished after 59 ms. (steps per millisecond=169 ) properties (out of 13) seen :0
Incomplete Best-First random walk after 10001 steps, including 48 resets, run finished after 73 ms. (steps per millisecond=137 ) properties (out of 13) seen :0
Incomplete Best-First random walk after 10001 steps, including 48 resets, run finished after 61 ms. (steps per millisecond=163 ) properties (out of 13) seen :0
Incomplete Best-First random walk after 10001 steps, including 51 resets, run finished after 64 ms. (steps per millisecond=156 ) properties (out of 13) seen :0
Incomplete Best-First random walk after 10001 steps, including 47 resets, run finished after 78 ms. (steps per millisecond=128 ) properties (out of 13) seen :0
Incomplete Best-First random walk after 10001 steps, including 45 resets, run finished after 70 ms. (steps per millisecond=142 ) properties (out of 13) seen :0
Incomplete Best-First random walk after 10001 steps, including 60 resets, run finished after 64 ms. (steps per millisecond=156 ) properties (out of 13) seen :0
Incomplete Best-First random walk after 10001 steps, including 43 resets, run finished after 73 ms. (steps per millisecond=137 ) properties (out of 13) seen :0
Running SMT prover for 13 properties.
// Phase 1: matrix 217 rows 274 cols
[2023-03-08 11:07:45] [INFO ] Computed 59 place invariants in 22 ms
[2023-03-08 11:07:45] [INFO ] [Real]Absence check using 34 positive place invariants in 8 ms returned sat
[2023-03-08 11:07:45] [INFO ] [Real]Absence check using 34 positive and 25 generalized place invariants in 15 ms returned sat
[2023-03-08 11:07:45] [INFO ] After 425ms SMT Verify possible using all constraints in real domain returned unsat :0 sat :0 real:13
[2023-03-08 11:07:45] [INFO ] [Nat]Absence check using 34 positive place invariants in 6 ms returned sat
[2023-03-08 11:07:45] [INFO ] [Nat]Absence check using 34 positive and 25 generalized place invariants in 92 ms returned sat
SDD proceeding with computation,15 properties remain. new max is 512
SDD size :3869 after 173233
[2023-03-08 11:07:52] [INFO ] After 6591ms SMT Verify possible using state equation in natural domain returned unsat :1 sat :12
[2023-03-08 11:07:52] [INFO ] State equation strengthened by 1 read => feed constraints.
[2023-03-08 11:07:56] [INFO ] After 3540ms SMT Verify possible using 1 Read/Feed constraints in natural domain returned unsat :1 sat :12
[2023-03-08 11:07:57] [INFO ] Deduced a trap composed of 9 places in 143 ms of which 10 ms to minimize.
[2023-03-08 11:07:57] [INFO ] Trap strengthening (SAT) tested/added 2/1 trap constraints in 300 ms
[2023-03-08 11:07:59] [INFO ] After 6973ms SMT Verify possible using trap constraints in natural domain returned unsat :1 sat :12
Attempting to minimize the solution found.
Minimization took 2585 ms.
[2023-03-08 11:08:02] [INFO ] After 16664ms SMT Verify possible using all constraints in natural domain returned unsat :1 sat :12
FORMULA DES-PT-40a-ReachabilityFireability-02 TRUE TECHNIQUES STRUCTURAL_REDUCTION TOPOLOGICAL SAT_SMT
Fused 13 Parikh solutions to 12 different solutions.
FORMULA DES-PT-40a-ReachabilityFireability-13 FALSE TECHNIQUES TOPOLOGICAL PARIKH_WALK
FORMULA DES-PT-40a-ReachabilityFireability-09 TRUE TECHNIQUES TOPOLOGICAL PARIKH_WALK
FORMULA DES-PT-40a-ReachabilityFireability-06 FALSE TECHNIQUES TOPOLOGICAL PARIKH_WALK
FORMULA DES-PT-40a-ReachabilityFireability-04 FALSE TECHNIQUES TOPOLOGICAL PARIKH_WALK
FORMULA DES-PT-40a-ReachabilityFireability-00 TRUE TECHNIQUES TOPOLOGICAL PARIKH_WALK
FORMULA DES-PT-40a-ReachabilityFireability-07 FALSE TECHNIQUES TOPOLOGICAL PARIKH_WALK
Parikh walk visited 6 properties in 447 ms.
Support contains 84 out of 274 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 274/274 places, 217/217 transitions.
Drop transitions removed 1 transitions
Reduce isomorphic transitions removed 1 transitions.
Iterating post reduction 0 with 1 rules applied. Total rules applied 1 place count 274 transition count 216
Partial Free-agglomeration rule applied 2 times.
Drop transitions removed 2 transitions
Iterating global reduction 1 with 2 rules applied. Total rules applied 3 place count 274 transition count 216
Applied a total of 3 rules in 49 ms. Remains 274 /274 variables (removed 0) and now considering 216/217 (removed 1) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 51 ms. Remains : 274/274 places, 216/217 transitions.
Incomplete random walk after 10000 steps, including 222 resets, run finished after 142 ms. (steps per millisecond=70 ) properties (out of 6) seen :0
Incomplete Best-First random walk after 10000 steps, including 62 resets, run finished after 45 ms. (steps per millisecond=222 ) properties (out of 6) seen :0
Incomplete Best-First random walk after 10001 steps, including 41 resets, run finished after 44 ms. (steps per millisecond=227 ) properties (out of 6) seen :0
Incomplete Best-First random walk after 10001 steps, including 54 resets, run finished after 40 ms. (steps per millisecond=250 ) properties (out of 6) seen :0
Incomplete Best-First random walk after 10000 steps, including 37 resets, run finished after 43 ms. (steps per millisecond=232 ) properties (out of 6) seen :0
Incomplete Best-First random walk after 10001 steps, including 60 resets, run finished after 37 ms. (steps per millisecond=270 ) properties (out of 6) seen :0
Incomplete Best-First random walk after 10001 steps, including 43 resets, run finished after 44 ms. (steps per millisecond=227 ) properties (out of 6) seen :0
Interrupted probabilistic random walk after 960134 steps, run timeout after 3001 ms. (steps per millisecond=319 ) properties seen :{}
Probabilistic random walk after 960134 steps, saw 135723 distinct states, run finished after 3002 ms. (steps per millisecond=319 ) properties seen :0
Running SMT prover for 6 properties.
// Phase 1: matrix 216 rows 274 cols
[2023-03-08 11:08:06] [INFO ] Computed 60 place invariants in 11 ms
[2023-03-08 11:08:06] [INFO ] After 109ms SMT Verify possible using all constraints in real domain returned unsat :0 sat :0 real:6
[2023-03-08 11:08:06] [INFO ] [Nat]Absence check using 36 positive place invariants in 8 ms returned sat
[2023-03-08 11:08:06] [INFO ] [Nat]Absence check using 36 positive and 24 generalized place invariants in 131 ms returned sat
SDD proceeding with computation,15 properties remain. new max is 1024
SDD size :173233 after 481869
[2023-03-08 11:08:10] [INFO ] After 3668ms SMT Verify possible using state equation in natural domain returned unsat :0 sat :6
[2023-03-08 11:08:10] [INFO ] State equation strengthened by 1 read => feed constraints.
[2023-03-08 11:08:13] [INFO ] After 2965ms SMT Verify possible using 1 Read/Feed constraints in natural domain returned unsat :0 sat :6
[2023-03-08 11:08:14] [INFO ] Deduced a trap composed of 6 places in 74 ms of which 1 ms to minimize.
[2023-03-08 11:08:14] [INFO ] Deduced a trap composed of 17 places in 97 ms of which 1 ms to minimize.
[2023-03-08 11:08:14] [INFO ] Trap strengthening (SAT) tested/added 3/2 trap constraints in 231 ms
[2023-03-08 11:08:15] [INFO ] Deduced a trap composed of 10 places in 74 ms of which 1 ms to minimize.
[2023-03-08 11:08:15] [INFO ] Trap strengthening (SAT) tested/added 2/1 trap constraints in 116 ms
[2023-03-08 11:08:15] [INFO ] After 4612ms SMT Verify possible using trap constraints in natural domain returned unsat :0 sat :6
Attempting to minimize the solution found.
Minimization took 2248 ms.
[2023-03-08 11:08:17] [INFO ] After 10983ms SMT Verify possible using all constraints in natural domain returned unsat :0 sat :6
FORMULA DES-PT-40a-ReachabilityFireability-10 TRUE TECHNIQUES TOPOLOGICAL PARIKH_WALK
Parikh walk visited 1 properties in 211 ms.
Support contains 82 out of 274 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 274/274 places, 216/216 transitions.
Applied a total of 0 rules in 10 ms. Remains 274 /274 variables (removed 0) and now considering 216/216 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 10 ms. Remains : 274/274 places, 216/216 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 274/274 places, 216/216 transitions.
Applied a total of 0 rules in 11 ms. Remains 274 /274 variables (removed 0) and now considering 216/216 (removed 0) transitions.
[2023-03-08 11:08:17] [INFO ] Invariant cache hit.
[2023-03-08 11:08:17] [INFO ] Implicit Places using invariants in 142 ms returned [171]
Discarding 1 places :
Implicit Place search using SMT only with invariants took 146 ms to find 1 implicit places.
Starting structural reductions in REACHABILITY mode, iteration 1 : 273/274 places, 216/216 transitions.
Applied a total of 0 rules in 11 ms. Remains 273 /273 variables (removed 0) and now considering 216/216 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 2 iterations and 169 ms. Remains : 273/274 places, 216/216 transitions.
Incomplete random walk after 10000 steps, including 206 resets, run finished after 148 ms. (steps per millisecond=67 ) properties (out of 5) seen :0
Incomplete Best-First random walk after 10000 steps, including 61 resets, run finished after 53 ms. (steps per millisecond=188 ) properties (out of 5) seen :0
Incomplete Best-First random walk after 10001 steps, including 37 resets, run finished after 39 ms. (steps per millisecond=256 ) properties (out of 5) seen :0
Incomplete Best-First random walk after 10001 steps, including 46 resets, run finished after 38 ms. (steps per millisecond=263 ) properties (out of 5) seen :0
Incomplete Best-First random walk after 10001 steps, including 59 resets, run finished after 32 ms. (steps per millisecond=312 ) properties (out of 5) seen :0
Incomplete Best-First random walk after 10001 steps, including 36 resets, run finished after 39 ms. (steps per millisecond=256 ) properties (out of 5) seen :0
Interrupted probabilistic random walk after 1012963 steps, run timeout after 3001 ms. (steps per millisecond=337 ) properties seen :{}
Probabilistic random walk after 1012963 steps, saw 141835 distinct states, run finished after 3001 ms. (steps per millisecond=337 ) properties seen :0
Running SMT prover for 5 properties.
// Phase 1: matrix 216 rows 273 cols
[2023-03-08 11:08:21] [INFO ] Computed 59 place invariants in 8 ms
[2023-03-08 11:08:21] [INFO ] After 99ms SMT Verify possible using all constraints in real domain returned unsat :0 sat :0 real:5
[2023-03-08 11:08:21] [INFO ] [Nat]Absence check using 35 positive place invariants in 4 ms returned sat
[2023-03-08 11:08:21] [INFO ] [Nat]Absence check using 35 positive and 24 generalized place invariants in 92 ms returned sat
[2023-03-08 11:08:22] [INFO ] After 1002ms SMT Verify possible using state equation in natural domain returned unsat :0 sat :5
[2023-03-08 11:08:23] [INFO ] Deduced a trap composed of 6 places in 25 ms of which 0 ms to minimize.
[2023-03-08 11:08:23] [INFO ] Trap strengthening (SAT) tested/added 2/1 trap constraints in 77 ms
[2023-03-08 11:08:23] [INFO ] After 1685ms SMT Verify possible using trap constraints in natural domain returned unsat :0 sat :5
Attempting to minimize the solution found.
Minimization took 1938 ms.
[2023-03-08 11:08:25] [INFO ] After 3907ms SMT Verify possible using all constraints in natural domain returned unsat :0 sat :5
FORMULA DES-PT-40a-ReachabilityFireability-12 TRUE TECHNIQUES TOPOLOGICAL PARIKH_WALK
Parikh walk visited 1 properties in 108 ms.
Support contains 68 out of 273 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 273/273 places, 216/216 transitions.
Drop transitions removed 1 transitions
Reduce isomorphic transitions removed 1 transitions.
Iterating post reduction 0 with 1 rules applied. Total rules applied 1 place count 273 transition count 215
Partial Free-agglomeration rule applied 1 times.
Drop transitions removed 1 transitions
Iterating global reduction 1 with 1 rules applied. Total rules applied 2 place count 273 transition count 215
Applied a total of 2 rules in 15 ms. Remains 273 /273 variables (removed 0) and now considering 215/216 (removed 1) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 16 ms. Remains : 273/273 places, 215/216 transitions.
Incomplete random walk after 10000 steps, including 156 resets, run finished after 105 ms. (steps per millisecond=95 ) properties (out of 4) seen :0
Incomplete Best-First random walk after 10001 steps, including 67 resets, run finished after 39 ms. (steps per millisecond=256 ) properties (out of 4) seen :0
Incomplete Best-First random walk after 10000 steps, including 20 resets, run finished after 37 ms. (steps per millisecond=270 ) properties (out of 4) seen :0
Incomplete Best-First random walk after 10001 steps, including 69 resets, run finished after 29 ms. (steps per millisecond=344 ) properties (out of 4) seen :0
Incomplete Best-First random walk after 10001 steps, including 22 resets, run finished after 35 ms. (steps per millisecond=285 ) properties (out of 4) seen :0
Interrupted probabilistic random walk after 1037276 steps, run timeout after 3001 ms. (steps per millisecond=345 ) properties seen :{}
Probabilistic random walk after 1037276 steps, saw 146416 distinct states, run finished after 3001 ms. (steps per millisecond=345 ) properties seen :0
Running SMT prover for 4 properties.
// Phase 1: matrix 215 rows 273 cols
[2023-03-08 11:08:28] [INFO ] Computed 60 place invariants in 5 ms
[2023-03-08 11:08:28] [INFO ] After 73ms SMT Verify possible using all constraints in real domain returned unsat :0 sat :0 real:4
[2023-03-08 11:08:28] [INFO ] [Nat]Absence check using 35 positive place invariants in 5 ms returned sat
[2023-03-08 11:08:28] [INFO ] [Nat]Absence check using 35 positive and 25 generalized place invariants in 88 ms returned sat
[2023-03-08 11:08:29] [INFO ] After 823ms SMT Verify possible using state equation in natural domain returned unsat :0 sat :4
[2023-03-08 11:08:29] [INFO ] State equation strengthened by 1 read => feed constraints.
[2023-03-08 11:08:31] [INFO ] After 1435ms SMT Verify possible using 1 Read/Feed constraints in natural domain returned unsat :0 sat :4
[2023-03-08 11:08:32] [INFO ] Deduced a trap composed of 6 places in 62 ms of which 0 ms to minimize.
[2023-03-08 11:08:32] [INFO ] Trap strengthening (SAT) tested/added 2/1 trap constraints in 110 ms
[2023-03-08 11:08:32] [INFO ] After 2875ms SMT Verify possible using trap constraints in natural domain returned unsat :0 sat :4
Attempting to minimize the solution found.
Minimization took 2309 ms.
[2023-03-08 11:08:35] [INFO ] After 6464ms SMT Verify possible using all constraints in natural domain returned unsat :0 sat :4
Parikh walk visited 0 properties in 110 ms.
Support contains 68 out of 273 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 273/273 places, 215/215 transitions.
Applied a total of 0 rules in 7 ms. Remains 273 /273 variables (removed 0) and now considering 215/215 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 7 ms. Remains : 273/273 places, 215/215 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 273/273 places, 215/215 transitions.
Applied a total of 0 rules in 8 ms. Remains 273 /273 variables (removed 0) and now considering 215/215 (removed 0) transitions.
[2023-03-08 11:08:35] [INFO ] Invariant cache hit.
[2023-03-08 11:08:35] [INFO ] Implicit Places using invariants in 147 ms returned []
[2023-03-08 11:08:35] [INFO ] Invariant cache hit.
[2023-03-08 11:08:35] [INFO ] State equation strengthened by 1 read => feed constraints.
[2023-03-08 11:08:35] [INFO ] Implicit Places using invariants and state equation in 518 ms returned []
Implicit Place search using SMT with State Equation took 668 ms to find 0 implicit places.
[2023-03-08 11:08:35] [INFO ] Redundant transitions in 6 ms returned []
[2023-03-08 11:08:35] [INFO ] Invariant cache hit.
[2023-03-08 11:08:36] [INFO ] Dead Transitions using invariants and state equation in 136 ms found 0 transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 827 ms. Remains : 273/273 places, 215/215 transitions.
Applied a total of 0 rules in 7 ms. Remains 273 /273 variables (removed 0) and now considering 215/215 (removed 0) transitions.
Running SMT prover for 4 properties.
[2023-03-08 11:08:36] [INFO ] Invariant cache hit.
[2023-03-08 11:08:36] [INFO ] After 78ms SMT Verify possible using all constraints in real domain returned unsat :0 sat :0 real:4
[2023-03-08 11:08:36] [INFO ] [Nat]Absence check using 35 positive place invariants in 5 ms returned sat
[2023-03-08 11:08:36] [INFO ] [Nat]Absence check using 35 positive and 25 generalized place invariants in 154 ms returned sat
[2023-03-08 11:08:37] [INFO ] After 1096ms SMT Verify possible using state equation in natural domain returned unsat :0 sat :4
[2023-03-08 11:08:38] [INFO ] After 1828ms SMT Verify possible using trap constraints in natural domain returned unsat :0 sat :4
Attempting to minimize the solution found.
Minimization took 1021 ms.
[2023-03-08 11:08:39] [INFO ] After 3167ms SMT Verify possible using all constraints in natural domain returned unsat :0 sat :4
[2023-03-08 11:08:39] [INFO ] Flatten gal took : 21 ms
[2023-03-08 11:08:39] [INFO ] Flatten gal took : 22 ms
[2023-03-08 11:08:39] [INFO ] Time to serialize gal into /tmp/ReachabilityCardinality1405381859844136359.gal : 4 ms
[2023-03-08 11:08:39] [INFO ] Time to serialize properties into /tmp/ReachabilityCardinality17102664283168721830.prop : 0 ms
Invoking ITS tools like this :cd /home/mcc/execution;'/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202303021504/bin/its-reach-linux64' '--gc-threshold' '2000000' '--quiet' '-i' '/tmp/ReachabilityCardinality1405381859844136359.gal' '-t' 'CGAL' '-reachable-file' '/tmp/ReachabilityCardinality17102664283168721830.prop' '--nowitness' '--gen-order' 'FOLLOW'
its-reach command run as :
/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202303021504/bin/its-reach-linux64 --gc-threshold 2000000 --quiet ...329
Loading property file /tmp/ReachabilityCardinality17102664283168721830.prop.
SDD proceeding with computation,4 properties remain. new max is 4
SDD size :1 after 3
SDD proceeding with computation,4 properties remain. new max is 8
SDD size :3 after 5
SDD proceeding with computation,4 properties remain. new max is 16
SDD size :5 after 9
SDD proceeding with computation,4 properties remain. new max is 32
SDD size :9 after 39
SDD proceeding with computation,4 properties remain. new max is 64
SDD size :39 after 49
SDD proceeding with computation,4 properties remain. new max is 128
SDD size :49 after 177
SDD proceeding with computation,4 properties remain. new max is 256
SDD size :177 after 1445
SDD proceeding with computation,4 properties remain. new max is 512
SDD size :1445 after 3097
SDD proceeding with computation,4 properties remain. new max is 1024
SDD size :14353 after 205661
SDD proceeding with computation,4 properties remain. new max is 2048
SDD size :205661 after 449905
SDD proceeding with computation,4 properties remain. new max is 4096
SDD size :449905 after 3.7999e+06
SDD proceeding with computation,4 properties remain. new max is 8192
SDD size :3.7999e+06 after 1.38938e+07
Detected timeout of ITS tools.
[2023-03-08 11:08:54] [INFO ] Flatten gal took : 20 ms
[2023-03-08 11:08:54] [INFO ] Applying decomposition
[2023-03-08 11:08:54] [INFO ] Flatten gal took : 19 ms
Converted graph to binary with : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.louvain.binaries_1.0.0.202303021504/bin/convert-linux64' '-i' '/tmp/graph9073340881776000694.txt' '-o' '/tmp/graph9073340881776000694.bin' '-w' '/tmp/graph9073340881776000694.weights'
Built communities with : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.louvain.binaries_1.0.0.202303021504/bin/louvain-linux64' '/tmp/graph9073340881776000694.bin' '-l' '-1' '-v' '-w' '/tmp/graph9073340881776000694.weights' '-q' '0' '-e' '0.001'
[2023-03-08 11:08:54] [INFO ] Decomposing Gal with order
[2023-03-08 11:08:54] [INFO ] Rewriting arrays to variables to allow decomposition.
[2023-03-08 11:08:54] [INFO ] Removed a total of 16 redundant transitions.
[2023-03-08 11:08:54] [INFO ] Flatten gal took : 44 ms
[2023-03-08 11:08:54] [INFO ] Fuse similar labels procedure discarded/fused a total of 4 labels/synchronizations in 5 ms.
[2023-03-08 11:08:54] [INFO ] Time to serialize gal into /tmp/ReachabilityCardinality6097349708190050360.gal : 13 ms
[2023-03-08 11:08:54] [INFO ] Time to serialize properties into /tmp/ReachabilityCardinality11821927073441585344.prop : 1 ms
Invoking ITS tools like this :cd /home/mcc/execution;'/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202303021504/bin/its-reach-linux64' '--gc-threshold' '2000000' '--quiet' '-i' '/tmp/ReachabilityCardinality6097349708190050360.gal' '-t' 'CGAL' '-reachable-file' '/tmp/ReachabilityCardinality11821927073441585344.prop' '--nowitness'
its-reach command run as :
/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202303021504/bin/its-reach-linux64 --gc-threshold 2000000 --quiet ...308
Loading property file /tmp/ReachabilityCardinality11821927073441585344.prop.
SDD proceeding with computation,4 properties remain. new max is 4
SDD size :1 after 3
SDD proceeding with computation,4 properties remain. new max is 8
SDD size :3 after 5
SDD proceeding with computation,4 properties remain. new max is 16
SDD size :5 after 221
SDD proceeding with computation,4 properties remain. new max is 32
SDD size :221 after 969
SDD proceeding with computation,4 properties remain. new max is 64
SDD size :969 after 11513
SDD proceeding with computation,4 properties remain. new max is 128
SDD size :11513 after 2.81855e+08
SDD proceeding with computation,4 properties remain. new max is 256
SDD size :2.81855e+08 after 4.7901e+08
SDD proceeding with computation,4 properties remain. new max is 512
SDD size :4.7901e+08 after 7.99387e+08
SDD proceeding with computation,4 properties remain. new max is 1024
SDD size :1.57471e+12 after 2.16694e+12
Reachability property DES-PT-40a-ReachabilityFireability-14 is true.
SDD proceeding with computation,15 properties remain. new max is 2048
SDD size :481869 after 1.31406e+06
Reachability property DES-PT-40a-ReachabilityFireability-08 is true.
SDD proceeding with computation,2 properties remain. new max is 1024
SDD size :8.72128e+12 after 8.72496e+12
Reachability property DES-PT-40a-ReachabilityFireability-01 is true.
SDD proceeding with computation,1 properties remain. new max is 1024
SDD size :1.28924e+13 after 1.28926e+13
SDD proceeding with computation,1 properties remain. new max is 2048
SDD size :1.70636e+13 after 1.71074e+13
Detected timeout of ITS tools.
Built C files in :
/tmp/ltsmin17540917974675075931
[2023-03-08 11:09:09] [INFO ] Built C files in 23ms conformant to PINS (ltsmin variant)in folder :/tmp/ltsmin17540917974675075931
Running compilation step : cd /tmp/ltsmin17540917974675075931;'/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.ltsmin.binaries_1.0.0.202303021504/bin/limit_time.pl' '3' 'gcc' '-c' '-I/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.ltsmin.binaries_1.0.0.202303021504/bin/include/' '-I.' '-std=c99' '-fPIC' '-O0' 'model.c'
Compilation finished in 462 ms.
Running link step : cd /tmp/ltsmin17540917974675075931;'gcc' '-shared' '-o' 'gal.so' 'model.o'
Link finished in 40 ms.
Running LTSmin : cd /tmp/ltsmin17540917974675075931;'/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.ltsmin.binaries_1.0.0.202303021504/bin/pins2lts-mc-linux64' './gal.so' '--threads=8' '--when' '-i' 'DESPT40aReachabilityFireability15==true'
WARNING : LTS min runner thread was asked to interrupt. Dying gracefully.
ITS runner failed with exception null
java.lang.InterruptedException
at java.base/java.lang.Object.wait(Native Method)
at java.base/java.lang.Thread.join(Thread.java:1304)
at java.base/java.lang.Thread.join(Thread.java:1372)
at fr.lip6.move.gal.application.runner.AbstractRunner.join(AbstractRunner.java:27)
at fr.lip6.move.gal.application.runner.its.ITSRunner.join(ITSRunner.java:177)
at fr.lip6.move.gal.application.solver.global.GlobalPropertySolver.verifyWithSDD(GlobalPropertySolver.java:675)
at fr.lip6.move.gal.application.solver.ReachabilitySolver.lambda$2(ReachabilitySolver.java:63)
at java.base/java.lang.Thread.run(Thread.java:833)
[2023-03-08 11:09:24] [INFO ] Flatten gal took : 25 ms
[2023-03-08 11:09:24] [INFO ] Applying decomposition
[2023-03-08 11:09:24] [INFO ] Flatten gal took : 23 ms
Converted graph to binary with : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.louvain.binaries_1.0.0.202303021504/bin/convert-linux64' '-i' '/tmp/graph12160790021984067996.txt' '-o' '/tmp/graph12160790021984067996.bin' '-w' '/tmp/graph12160790021984067996.weights'
Built communities with : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.louvain.binaries_1.0.0.202303021504/bin/louvain-linux64' '/tmp/graph12160790021984067996.bin' '-l' '-1' '-v' '-w' '/tmp/graph12160790021984067996.weights' '-q' '0' '-e' '0.001'
[2023-03-08 11:09:25] [INFO ] Decomposing Gal with order
[2023-03-08 11:09:25] [INFO ] Rewriting arrays to variables to allow decomposition.
[2023-03-08 11:09:25] [INFO ] Removed a total of 16 redundant transitions.
[2023-03-08 11:09:25] [INFO ] Flatten gal took : 33 ms
[2023-03-08 11:09:25] [INFO ] Fuse similar labels procedure discarded/fused a total of 4 labels/synchronizations in 2 ms.
[2023-03-08 11:09:25] [INFO ] Time to serialize gal into /tmp/ReachabilityCardinality16617555111787918224.gal : 9 ms
[2023-03-08 11:09:25] [INFO ] Time to serialize properties into /tmp/ReachabilityCardinality1803336669466022060.prop : 0 ms
Invoking ITS tools like this :cd /home/mcc/execution;'/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202303021504/bin/its-reach-linux64' '--gc-threshold' '2000000' '--quiet' '-i' '/tmp/ReachabilityCardinality16617555111787918224.gal' '-t' 'CGAL' '-reachable-file' '/tmp/ReachabilityCardinality1803336669466022060.prop' '--nowitness'
its-reach command run as :
/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202303021504/bin/its-reach-linux64 --gc-threshold 2000000 --quiet ...308
Loading property file /tmp/ReachabilityCardinality1803336669466022060.prop.
SDD proceeding with computation,4 properties remain. new max is 4
SDD size :1 after 3
SDD proceeding with computation,4 properties remain. new max is 8
SDD size :3 after 5
SDD proceeding with computation,4 properties remain. new max is 16
SDD size :5 after 293
SDD proceeding with computation,4 properties remain. new max is 32
SDD size :293 after 1353
SDD proceeding with computation,4 properties remain. new max is 64
SDD size :1353 after 10755
SDD proceeding with computation,4 properties remain. new max is 128
SDD size :10755 after 4.31035e+08
SDD proceeding with computation,4 properties remain. new max is 256
SDD size :4.31035e+08 after 7.35631e+08
SDD proceeding with computation,4 properties remain. new max is 512
SDD size :7.35631e+08 after 1.2306e+09
SDD proceeding with computation,4 properties remain. new max is 1024
SDD size :2.45466e+12 after 3.39171e+12
Reachability property DES-PT-40a-ReachabilityFireability-14 is true.
FORMULA DES-PT-40a-ReachabilityFireability-14 TRUE TECHNIQUES DECISION_DIAGRAMS TOPOLOGICAL COLLATERAL_PROCESSING USE_NUPN
Reachability property DES-PT-40a-ReachabilityFireability-08 is true.
FORMULA DES-PT-40a-ReachabilityFireability-08 TRUE TECHNIQUES DECISION_DIAGRAMS TOPOLOGICAL COLLATERAL_PROCESSING USE_NUPN
SDD proceeding with computation,2 properties remain. new max is 1024
SDD size :1.37717e+13 after 1.47115e+13
Reachability property DES-PT-40a-ReachabilityFireability-01 is true.
FORMULA DES-PT-40a-ReachabilityFireability-01 TRUE TECHNIQUES DECISION_DIAGRAMS TOPOLOGICAL COLLATERAL_PROCESSING USE_NUPN
SDD proceeding with computation,1 properties remain. new max is 1024
SDD size :2.0375e+13 after 2.13148e+13
SDD proceeding with computation,1 properties remain. new max is 2048
SDD size :2.69782e+13 after 2.7918e+13
Model ,|S| ,Time ,Mem(kb) ,fin. SDD ,fin. DDD ,peak SDD ,peak DDD ,SDD Hom ,SDD cache peak ,DDD Hom ,DDD cachepeak ,SHom cache
petri\_inst\_inst\_mod\_flat,3.52256e+13,11.5013,166128,13555,5914,413754,21768,343,298270,419,176660,0
Total reachable state count : 35225598483445
Verifying 4 reachability properties.
Reachability property DES-PT-40a-ReachabilityFireability-01 is true.
Model ,|S| ,Time ,Mem(kb) ,fin. SDD ,fin. DDD ,peak SDD ,peak DDD ,SDD Hom ,SDD cache peak ,DDD Hom ,DDD cachepeak ,SHom cache
DES-PT-40a-ReachabilityFireability-01,2688,11.5397,166392,104,160,413754,21768,473,298270,473,176660,5437
Reachability property DES-PT-40a-ReachabilityFireability-08 is true.
Model ,|S| ,Time ,Mem(kb) ,fin. SDD ,fin. DDD ,peak SDD ,peak DDD ,SDD Hom ,SDD cache peak ,DDD Hom ,DDD cachepeak ,SHom cache
DES-PT-40a-ReachabilityFireability-08,1.94924e+09,12.0305,166392,560,302,413754,21768,647,298270,527,176660,103291
Reachability property DES-PT-40a-ReachabilityFireability-14 is true.
Model ,|S| ,Time ,Mem(kb) ,fin. SDD ,fin. DDD ,peak SDD ,peak DDD ,SDD Hom ,SDD cache peak ,DDD Hom ,DDD cachepeak ,SHom cache
DES-PT-40a-ReachabilityFireability-14,48,12.0315,166392,70,162,413754,21768,672,298270,531,176660,103298
Reachability property DES-PT-40a-ReachabilityFireability-15 is true.
FORMULA DES-PT-40a-ReachabilityFireability-15 TRUE TECHNIQUES DECISION_DIAGRAMS TOPOLOGICAL COLLATERAL_PROCESSING USE_NUPN
Model ,|S| ,Time ,Mem(kb) ,fin. SDD ,fin. DDD ,peak SDD ,peak DDD ,SDD Hom ,SDD cache peak ,DDD Hom ,DDD cachepeak ,SHom cache
DES-PT-40a-ReachabilityFireability-15,1.61836e+11,12.0371,166392,1224,741,413754,21768,754,298270,547,176660,103421
ITS tools runner thread asked to quit. Dying gracefully.
All properties solved without resorting to model-checking.
Total runtime 113917 ms.
BK_STOP 1678273778423
--------------------
content from stderr:
+ export BINDIR=/home/mcc/BenchKit/bin//../itstools/bin//../
+ BINDIR=/home/mcc/BenchKit/bin//../itstools/bin//../
++ pwd
+ export MODEL=/home/mcc/execution
+ MODEL=/home/mcc/execution
+ [[ ReachabilityFireability = StateSpace ]]
+ /home/mcc/BenchKit/bin//../itstools/bin//..//runeclipse.sh /home/mcc/execution ReachabilityFireability -its -ltsmin -greatspnpath /home/mcc/BenchKit/bin//../itstools/bin//..//greatspn/ -order META -manyOrder -smt -timeout 3600
+ 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//../itstools/bin//..//itstools/plugins/fr.lip6.move.gal.application.pnmcc_1.0.0.202303021504.jar
+ VERSION=202303021504
+ echo 'Running Version 202303021504'
+ /home/mcc/BenchKit/bin//../itstools/bin//..//itstools/its-tools -pnfolder /home/mcc/execution -examination ReachabilityFireability -its -ltsmin -greatspnpath /home/mcc/BenchKit/bin//../itstools/bin//..//greatspn/ -order META -manyOrder -smt -timeout 3600
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="DES-PT-40a"
export BK_EXAMINATION="ReachabilityFireability"
export BK_TOOL="itstools"
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 itstools"
echo " Input is DES-PT-40a, examination is ReachabilityFireability"
echo " Time confinement is $BK_TIME_CONFINEMENT seconds"
echo " Memory confinement is 16384 MBytes"
echo " Number of cores is 4"
echo " Run identifier is r101-tall-167814475400463"
echo "====================================================================="
echo
echo "--------------------"
echo "preparation of the directory to be used:"
tar xzf /home/mcc/BenchKit/INPUTS/DES-PT-40a.tgz
mv DES-PT-40a execution
cd execution
if [ "ReachabilityFireability" = "ReachabilityDeadlock" ] || [ "ReachabilityFireability" = "UpperBounds" ] || [ "ReachabilityFireability" = "QuasiLiveness" ] || [ "ReachabilityFireability" = "StableMarking" ] || [ "ReachabilityFireability" = "Liveness" ] || [ "ReachabilityFireability" = "OneSafe" ] || [ "ReachabilityFireability" = "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 [ "ReachabilityFireability" = "UpperBounds" ] ; then
echo "The expected result is a vector of positive values"
echo NUM_VECTOR
elif [ "ReachabilityFireability" != "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 "ReachabilityFireability.txt" ] ; then
echo "here is the order used to build the result vector(from text file)"
for x in $(grep Property ReachabilityFireability.txt | cut -d ' ' -f 2 | sort -u) ; do
echo "FORMULA_NAME $x"
done
elif [ -f "ReachabilityFireability.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 '
echo "FORMULA_NAME $x"
done
elif [ "ReachabilityFireability" = "ReachabilityDeadlock" ] || [ "ReachabilityFireability" = "QuasiLiveness" ] || [ "ReachabilityFireability" = "StableMarking" ] || [ "ReachabilityFireability" = "Liveness" ] || [ "ReachabilityFireability" = "OneSafe" ] ; then
echo "FORMULA_NAME ReachabilityFireability"
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 ;