About the Execution of Smart+red for DoubleExponent-PT-004
| Execution Summary | |||||
| Max Memory Used (MB) |
Time wait (ms) | CPU Usage (ms) | I/O Wait (ms) | Computed Result | Execution Status |
| 2228.896 | 3600000.00 | 3655548.00 | 9032.40 | F?TTFTF?FTFTF?FT | 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.r139-smll-167819423100470.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 smartxred
Input is DoubleExponent-PT-004, examination is ReachabilityCardinality
Time confinement is 3600 seconds
Memory confinement is 16384 MBytes
Number of cores is 4
Run identifier is r139-smll-167819423100470
=====================================================================
--------------------
preparation of the directory to be used:
/home/mcc/execution
total 496K
-rw-r--r-- 1 mcc users 7.6K Feb 26 13:29 CTLCardinality.txt
-rw-r--r-- 1 mcc users 84K Feb 26 13:29 CTLCardinality.xml
-rw-r--r-- 1 mcc users 4.4K Feb 26 13:28 CTLFireability.txt
-rw-r--r-- 1 mcc users 37K Feb 26 13:28 CTLFireability.xml
-rw-r--r-- 1 mcc users 4.2K Jan 29 11:40 GenericPropertiesDefinition.xml
-rw-r--r-- 1 mcc users 6.2K Jan 29 11:40 GenericPropertiesVerdict.xml
-rw-r--r-- 1 mcc users 3.4K Feb 25 16:01 LTLCardinality.txt
-rw-r--r-- 1 mcc users 24K Feb 25 16:01 LTLCardinality.xml
-rw-r--r-- 1 mcc users 2.2K Feb 25 16:01 LTLFireability.txt
-rw-r--r-- 1 mcc users 17K Feb 25 16:01 LTLFireability.xml
-rw-r--r-- 1 mcc users 8.6K Feb 26 13:30 ReachabilityCardinality.txt
-rw-r--r-- 1 mcc users 88K Feb 26 13:30 ReachabilityCardinality.xml
-rw-r--r-- 1 mcc users 9.4K Feb 26 13:29 ReachabilityFireability.txt
-rw-r--r-- 1 mcc users 85K Feb 26 13:29 ReachabilityFireability.xml
-rw-r--r-- 1 mcc users 1.7K Feb 25 16:01 UpperBounds.txt
-rw-r--r-- 1 mcc users 3.7K Feb 25 16:01 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 67K 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 DoubleExponent-PT-004-ReachabilityCardinality-00
FORMULA_NAME DoubleExponent-PT-004-ReachabilityCardinality-01
FORMULA_NAME DoubleExponent-PT-004-ReachabilityCardinality-02
FORMULA_NAME DoubleExponent-PT-004-ReachabilityCardinality-03
FORMULA_NAME DoubleExponent-PT-004-ReachabilityCardinality-04
FORMULA_NAME DoubleExponent-PT-004-ReachabilityCardinality-05
FORMULA_NAME DoubleExponent-PT-004-ReachabilityCardinality-06
FORMULA_NAME DoubleExponent-PT-004-ReachabilityCardinality-07
FORMULA_NAME DoubleExponent-PT-004-ReachabilityCardinality-08
FORMULA_NAME DoubleExponent-PT-004-ReachabilityCardinality-09
FORMULA_NAME DoubleExponent-PT-004-ReachabilityCardinality-10
FORMULA_NAME DoubleExponent-PT-004-ReachabilityCardinality-11
FORMULA_NAME DoubleExponent-PT-004-ReachabilityCardinality-12
FORMULA_NAME DoubleExponent-PT-004-ReachabilityCardinality-13
FORMULA_NAME DoubleExponent-PT-004-ReachabilityCardinality-14
FORMULA_NAME DoubleExponent-PT-004-ReachabilityCardinality-15
=== Now, execution of the tool begins
BK_START 1678414174449
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=smartxred
BK_EXAMINATION=ReachabilityCardinality
BK_BIN_PATH=/home/mcc/BenchKit/bin/
BK_TIME_CONFINEMENT=3600
BK_INPUT=DoubleExponent-PT-004
Applying reductions before tool smart
Invoking reducer
Running Version 202303021504
[2023-03-10 02:09:37] [INFO ] Running its-tools with arguments : [-pnfolder, /home/mcc/execution, -examination, ReachabilityCardinality, -timeout, 360, -rebuildPNML]
[2023-03-10 02:09:37] [INFO ] Parsing pnml file : /home/mcc/execution/model.pnml
[2023-03-10 02:09:38] [INFO ] Load time of PNML (sax parser for PT used): 109 ms
[2023-03-10 02:09:38] [INFO ] Transformed 216 places.
[2023-03-10 02:09:38] [INFO ] Transformed 198 transitions.
[2023-03-10 02:09:38] [INFO ] Parsed PT model containing 216 places and 198 transitions and 558 arcs in 249 ms.
Parsed 16 properties from file /home/mcc/execution/ReachabilityCardinality.xml in 31 ms.
Working with output stream class java.io.PrintStream
Incomplete random walk after 10000 steps, including 335 resets, run finished after 849 ms. (steps per millisecond=11 ) properties (out of 16) seen :0
Incomplete Best-First random walk after 1001 steps, including 30 resets, run finished after 33 ms. (steps per millisecond=30 ) properties (out of 16) seen :0
Incomplete Best-First random walk after 1000 steps, including 27 resets, run finished after 28 ms. (steps per millisecond=35 ) properties (out of 16) seen :0
Incomplete Best-First random walk after 1001 steps, including 26 resets, run finished after 50 ms. (steps per millisecond=20 ) properties (out of 16) seen :0
Incomplete Best-First random walk after 1000 steps, including 27 resets, run finished after 26 ms. (steps per millisecond=38 ) properties (out of 16) seen :0
Incomplete Best-First random walk after 1000 steps, including 30 resets, run finished after 31 ms. (steps per millisecond=32 ) properties (out of 16) seen :0
Incomplete Best-First random walk after 1000 steps, including 30 resets, run finished after 36 ms. (steps per millisecond=27 ) properties (out of 16) seen :0
Incomplete Best-First random walk after 1000 steps, including 31 resets, run finished after 60 ms. (steps per millisecond=16 ) properties (out of 16) seen :0
Incomplete Best-First random walk after 1000 steps, including 30 resets, run finished after 102 ms. (steps per millisecond=9 ) properties (out of 16) seen :0
Incomplete Best-First random walk after 1000 steps, including 26 resets, run finished after 54 ms. (steps per millisecond=18 ) properties (out of 16) seen :0
Incomplete Best-First random walk after 1000 steps, including 27 resets, run finished after 35 ms. (steps per millisecond=28 ) properties (out of 16) seen :0
Incomplete Best-First random walk after 1000 steps, including 29 resets, run finished after 36 ms. (steps per millisecond=27 ) properties (out of 16) seen :0
Incomplete Best-First random walk after 1000 steps, including 27 resets, run finished after 39 ms. (steps per millisecond=25 ) properties (out of 16) seen :0
Incomplete Best-First random walk after 1000 steps, including 31 resets, run finished after 62 ms. (steps per millisecond=16 ) properties (out of 16) seen :0
Incomplete Best-First random walk after 1000 steps, including 29 resets, run finished after 64 ms. (steps per millisecond=15 ) properties (out of 16) seen :0
Incomplete Best-First random walk after 1001 steps, including 30 resets, run finished after 51 ms. (steps per millisecond=19 ) properties (out of 16) seen :0
Incomplete Best-First random walk after 1000 steps, including 31 resets, run finished after 41 ms. (steps per millisecond=24 ) properties (out of 16) seen :0
Interrupted probabilistic random walk after 120542 steps, run timeout after 3001 ms. (steps per millisecond=40 ) properties seen :{8=1, 9=1, 10=1, 12=1}
Probabilistic random walk after 120542 steps, saw 60283 distinct states, run finished after 3003 ms. (steps per millisecond=40 ) properties seen :4
FORMULA DoubleExponent-PT-004-ReachabilityCardinality-12 FALSE TECHNIQUES TOPOLOGICAL PROBABILISTIC_WALK
FORMULA DoubleExponent-PT-004-ReachabilityCardinality-10 FALSE TECHNIQUES TOPOLOGICAL PROBABILISTIC_WALK
FORMULA DoubleExponent-PT-004-ReachabilityCardinality-09 TRUE TECHNIQUES TOPOLOGICAL PROBABILISTIC_WALK
FORMULA DoubleExponent-PT-004-ReachabilityCardinality-08 FALSE TECHNIQUES TOPOLOGICAL PROBABILISTIC_WALK
Running SMT prover for 12 properties.
// Phase 1: matrix 198 rows 216 cols
[2023-03-10 02:09:43] [INFO ] Computed 24 place invariants in 22 ms
[2023-03-10 02:09:43] [INFO ] After 483ms SMT Verify possible using all constraints in real domain returned unsat :0 sat :0 real:12
[2023-03-10 02:09:43] [INFO ] [Nat]Absence check using 3 positive place invariants in 5 ms returned sat
[2023-03-10 02:09:43] [INFO ] [Nat]Absence check using 3 positive and 21 generalized place invariants in 16 ms returned sat
[2023-03-10 02:09:44] [INFO ] After 695ms SMT Verify possible using state equation in natural domain returned unsat :6 sat :6
[2023-03-10 02:09:45] [INFO ] Deduced a trap composed of 37 places in 726 ms of which 14 ms to minimize.
[2023-03-10 02:09:45] [INFO ] Deduced a trap composed of 25 places in 237 ms of which 1 ms to minimize.
[2023-03-10 02:09:45] [INFO ] Deduced a trap composed of 49 places in 143 ms of which 2 ms to minimize.
[2023-03-10 02:09:45] [INFO ] Deduced a trap composed of 59 places in 127 ms of which 6 ms to minimize.
[2023-03-10 02:09:46] [INFO ] Deduced a trap composed of 65 places in 107 ms of which 2 ms to minimize.
[2023-03-10 02:09:46] [INFO ] Deduced a trap composed of 41 places in 96 ms of which 1 ms to minimize.
[2023-03-10 02:09:46] [INFO ] Trap strengthening (SAT) tested/added 7/6 trap constraints in 1596 ms
[2023-03-10 02:09:46] [INFO ] Deduced a trap composed of 82 places in 208 ms of which 1 ms to minimize.
[2023-03-10 02:09:46] [INFO ] Deduced a trap composed of 80 places in 123 ms of which 1 ms to minimize.
[2023-03-10 02:09:47] [INFO ] Deduced a trap composed of 16 places in 148 ms of which 3 ms to minimize.
[2023-03-10 02:09:47] [INFO ] Trap strengthening (SAT) tested/added 4/3 trap constraints in 734 ms
[2023-03-10 02:09:47] [INFO ] Deduced a trap composed of 18 places in 77 ms of which 1 ms to minimize.
[2023-03-10 02:09:47] [INFO ] Deduced a trap composed of 55 places in 69 ms of which 1 ms to minimize.
[2023-03-10 02:09:47] [INFO ] Deduced a trap composed of 43 places in 70 ms of which 1 ms to minimize.
[2023-03-10 02:09:47] [INFO ] Trap strengthening (SAT) tested/added 4/3 trap constraints in 291 ms
[2023-03-10 02:09:47] [INFO ] Deduced a trap composed of 35 places in 105 ms of which 1 ms to minimize.
[2023-03-10 02:09:48] [INFO ] Deduced a trap composed of 87 places in 89 ms of which 1 ms to minimize.
[2023-03-10 02:09:48] [INFO ] Deduced a trap composed of 46 places in 70 ms of which 1 ms to minimize.
[2023-03-10 02:09:48] [INFO ] Deduced a trap composed of 78 places in 95 ms of which 2 ms to minimize.
[2023-03-10 02:09:48] [INFO ] Trap strengthening (SAT) tested/added 5/4 trap constraints in 493 ms
[2023-03-10 02:09:48] [INFO ] Deduced a trap composed of 31 places in 77 ms of which 1 ms to minimize.
[2023-03-10 02:09:48] [INFO ] Trap strengthening (SAT) tested/added 2/1 trap constraints in 112 ms
[2023-03-10 02:09:48] [INFO ] After 4790ms SMT Verify possible using trap constraints in natural domain returned unsat :6 sat :6
Attempting to minimize the solution found.
Minimization took 763 ms.
[2023-03-10 02:09:49] [INFO ] After 5817ms SMT Verify possible using all constraints in natural domain returned unsat :6 sat :6
FORMULA DoubleExponent-PT-004-ReachabilityCardinality-11 TRUE TECHNIQUES STRUCTURAL_REDUCTION TOPOLOGICAL SAT_SMT
FORMULA DoubleExponent-PT-004-ReachabilityCardinality-06 FALSE TECHNIQUES STRUCTURAL_REDUCTION TOPOLOGICAL SAT_SMT
FORMULA DoubleExponent-PT-004-ReachabilityCardinality-05 TRUE TECHNIQUES STRUCTURAL_REDUCTION TOPOLOGICAL SAT_SMT
FORMULA DoubleExponent-PT-004-ReachabilityCardinality-04 FALSE TECHNIQUES STRUCTURAL_REDUCTION TOPOLOGICAL SAT_SMT
FORMULA DoubleExponent-PT-004-ReachabilityCardinality-02 TRUE TECHNIQUES STRUCTURAL_REDUCTION TOPOLOGICAL SAT_SMT
FORMULA DoubleExponent-PT-004-ReachabilityCardinality-00 FALSE TECHNIQUES STRUCTURAL_REDUCTION TOPOLOGICAL SAT_SMT
Fused 12 Parikh solutions to 6 different solutions.
Parikh walk visited 0 properties in 304 ms.
Support contains 71 out of 216 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 216/216 places, 198/198 transitions.
Graph (complete) has 360 edges and 216 vertex of which 214 are kept as prefixes of interest. Removing 2 places using SCC suffix rule.4 ms
Discarding 2 places :
Also discarding 0 output transitions
Drop transitions removed 6 transitions
Trivial Post-agglo rules discarded 6 transitions
Performed 6 trivial Post agglomeration. Transition count delta: 6
Iterating post reduction 0 with 6 rules applied. Total rules applied 7 place count 214 transition count 192
Reduce places removed 6 places and 0 transitions.
Performed 7 Post agglomeration using F-continuation condition.Transition count delta: 7
Iterating post reduction 1 with 13 rules applied. Total rules applied 20 place count 208 transition count 185
Reduce places removed 7 places and 0 transitions.
Iterating post reduction 2 with 7 rules applied. Total rules applied 27 place count 201 transition count 185
Performed 9 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 3 with 9 Pre rules applied. Total rules applied 27 place count 201 transition count 176
Deduced a syphon composed of 9 places in 2 ms
Reduce places removed 9 places and 0 transitions.
Iterating global reduction 3 with 18 rules applied. Total rules applied 45 place count 192 transition count 176
Performed 11 Post agglomeration using F-continuation condition.Transition count delta: 11
Deduced a syphon composed of 11 places in 2 ms
Reduce places removed 11 places and 0 transitions.
Iterating global reduction 3 with 22 rules applied. Total rules applied 67 place count 181 transition count 165
Performed 1 Post agglomeration using F-continuation condition.Transition count delta: 0
Deduced a syphon composed of 1 places in 1 ms
Reduce places removed 1 places and 0 transitions.
Iterating global reduction 3 with 2 rules applied. Total rules applied 69 place count 180 transition count 165
Free-agglomeration rule applied 4 times.
Iterating global reduction 3 with 4 rules applied. Total rules applied 73 place count 180 transition count 161
Reduce places removed 4 places and 0 transitions.
Iterating post reduction 3 with 4 rules applied. Total rules applied 77 place count 176 transition count 161
Free-agglomeration rule (complex) applied 13 times.
Iterating global reduction 4 with 13 rules applied. Total rules applied 90 place count 176 transition count 148
Reduce places removed 13 places and 0 transitions.
Iterating post reduction 4 with 13 rules applied. Total rules applied 103 place count 163 transition count 148
Partial Free-agglomeration rule applied 4 times.
Drop transitions removed 4 transitions
Iterating global reduction 5 with 4 rules applied. Total rules applied 107 place count 163 transition count 148
Partial Post-agglomeration rule applied 3 times.
Drop transitions removed 3 transitions
Iterating global reduction 5 with 3 rules applied. Total rules applied 110 place count 163 transition count 148
Applied a total of 110 rules in 116 ms. Remains 163 /216 variables (removed 53) and now considering 148/198 (removed 50) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 116 ms. Remains : 163/216 places, 148/198 transitions.
Incomplete random walk after 10000 steps, including 463 resets, run finished after 303 ms. (steps per millisecond=33 ) properties (out of 6) seen :0
Incomplete Best-First random walk after 10000 steps, including 389 resets, run finished after 322 ms. (steps per millisecond=31 ) properties (out of 6) seen :0
Incomplete Best-First random walk after 10000 steps, including 373 resets, run finished after 306 ms. (steps per millisecond=32 ) properties (out of 6) seen :0
Incomplete Best-First random walk after 10000 steps, including 434 resets, run finished after 248 ms. (steps per millisecond=40 ) properties (out of 6) seen :0
Incomplete Best-First random walk after 10001 steps, including 373 resets, run finished after 190 ms. (steps per millisecond=52 ) properties (out of 6) seen :0
Incomplete Best-First random walk after 10000 steps, including 379 resets, run finished after 192 ms. (steps per millisecond=52 ) properties (out of 6) seen :0
Incomplete Best-First random walk after 10001 steps, including 383 resets, run finished after 212 ms. (steps per millisecond=47 ) properties (out of 6) seen :0
Interrupted probabilistic random walk after 240162 steps, run timeout after 3001 ms. (steps per millisecond=80 ) properties seen :{1=1, 4=1, 5=1}
Probabilistic random walk after 240162 steps, saw 120192 distinct states, run finished after 3001 ms. (steps per millisecond=80 ) properties seen :3
FORMULA DoubleExponent-PT-004-ReachabilityCardinality-15 TRUE TECHNIQUES TOPOLOGICAL PROBABILISTIC_WALK
FORMULA DoubleExponent-PT-004-ReachabilityCardinality-14 FALSE TECHNIQUES TOPOLOGICAL PROBABILISTIC_WALK
FORMULA DoubleExponent-PT-004-ReachabilityCardinality-03 TRUE TECHNIQUES TOPOLOGICAL PROBABILISTIC_WALK
Running SMT prover for 3 properties.
// Phase 1: matrix 148 rows 163 cols
[2023-03-10 02:09:54] [INFO ] Computed 22 place invariants in 10 ms
[2023-03-10 02:09:54] [INFO ] After 129ms SMT Verify possible using all constraints in real domain returned unsat :0 sat :0 real:3
[2023-03-10 02:09:54] [INFO ] [Nat]Absence check using 3 positive place invariants in 2 ms returned sat
[2023-03-10 02:09:54] [INFO ] [Nat]Absence check using 3 positive and 19 generalized place invariants in 12 ms returned sat
[2023-03-10 02:09:55] [INFO ] After 331ms SMT Verify possible using state equation in natural domain returned unsat :0 sat :3
[2023-03-10 02:09:55] [INFO ] State equation strengthened by 4 read => feed constraints.
[2023-03-10 02:09:55] [INFO ] After 216ms SMT Verify possible using 4 Read/Feed constraints in natural domain returned unsat :0 sat :3
[2023-03-10 02:09:55] [INFO ] Deduced a trap composed of 66 places in 94 ms of which 2 ms to minimize.
[2023-03-10 02:09:55] [INFO ] Deduced a trap composed of 44 places in 80 ms of which 1 ms to minimize.
[2023-03-10 02:09:55] [INFO ] Deduced a trap composed of 61 places in 98 ms of which 1 ms to minimize.
[2023-03-10 02:09:55] [INFO ] Deduced a trap composed of 61 places in 101 ms of which 11 ms to minimize.
[2023-03-10 02:09:55] [INFO ] Trap strengthening (SAT) tested/added 5/4 trap constraints in 460 ms
[2023-03-10 02:09:56] [INFO ] Deduced a trap composed of 24 places in 111 ms of which 1 ms to minimize.
[2023-03-10 02:09:56] [INFO ] Deduced a trap composed of 26 places in 96 ms of which 1 ms to minimize.
[2023-03-10 02:09:56] [INFO ] Trap strengthening (SAT) tested/added 3/2 trap constraints in 285 ms
[2023-03-10 02:09:56] [INFO ] After 1397ms SMT Verify possible using trap constraints in natural domain returned unsat :0 sat :3
Attempting to minimize the solution found.
Minimization took 178 ms.
[2023-03-10 02:09:56] [INFO ] After 1987ms SMT Verify possible using all constraints in natural domain returned unsat :0 sat :3
Parikh walk visited 0 properties in 71 ms.
Support contains 37 out of 163 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 163/163 places, 148/148 transitions.
Drop transitions removed 3 transitions
Trivial Post-agglo rules discarded 3 transitions
Performed 3 trivial Post agglomeration. Transition count delta: 3
Iterating post reduction 0 with 3 rules applied. Total rules applied 3 place count 163 transition count 145
Reduce places removed 3 places and 0 transitions.
Performed 5 Post agglomeration using F-continuation condition.Transition count delta: 5
Iterating post reduction 1 with 8 rules applied. Total rules applied 11 place count 160 transition count 140
Reduce places removed 5 places and 0 transitions.
Iterating post reduction 2 with 5 rules applied. Total rules applied 16 place count 155 transition count 140
Performed 3 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 3 with 3 Pre rules applied. Total rules applied 16 place count 155 transition count 137
Deduced a syphon composed of 3 places in 2 ms
Reduce places removed 3 places and 0 transitions.
Iterating global reduction 3 with 6 rules applied. Total rules applied 22 place count 152 transition count 137
Performed 7 Post agglomeration using F-continuation condition.Transition count delta: 7
Deduced a syphon composed of 7 places in 2 ms
Reduce places removed 7 places and 0 transitions.
Iterating global reduction 3 with 14 rules applied. Total rules applied 36 place count 145 transition count 130
Performed 1 Post agglomeration using F-continuation condition.Transition count delta: 0
Deduced a syphon composed of 1 places in 1 ms
Reduce places removed 1 places and 0 transitions.
Iterating global reduction 3 with 2 rules applied. Total rules applied 38 place count 144 transition count 130
Free-agglomeration rule (complex) applied 7 times.
Iterating global reduction 3 with 7 rules applied. Total rules applied 45 place count 144 transition count 123
Reduce places removed 7 places and 0 transitions.
Iterating post reduction 3 with 7 rules applied. Total rules applied 52 place count 137 transition count 123
Partial Free-agglomeration rule applied 5 times.
Drop transitions removed 5 transitions
Iterating global reduction 4 with 5 rules applied. Total rules applied 57 place count 137 transition count 123
Partial Post-agglomeration rule applied 1 times.
Drop transitions removed 1 transitions
Iterating global reduction 4 with 1 rules applied. Total rules applied 58 place count 137 transition count 123
Applied a total of 58 rules in 72 ms. Remains 137 /163 variables (removed 26) and now considering 123/148 (removed 25) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 72 ms. Remains : 137/163 places, 123/148 transitions.
Incomplete random walk after 10000 steps, including 604 resets, run finished after 247 ms. (steps per millisecond=40 ) properties (out of 3) seen :0
Incomplete Best-First random walk after 10000 steps, including 453 resets, run finished after 161 ms. (steps per millisecond=62 ) properties (out of 3) seen :0
Incomplete Best-First random walk after 10000 steps, including 526 resets, run finished after 191 ms. (steps per millisecond=52 ) properties (out of 3) seen :0
Incomplete Best-First random walk after 10001 steps, including 472 resets, run finished after 188 ms. (steps per millisecond=53 ) properties (out of 3) seen :0
Interrupted probabilistic random walk after 311763 steps, run timeout after 3001 ms. (steps per millisecond=103 ) properties seen :{}
Probabilistic random walk after 311763 steps, saw 156087 distinct states, run finished after 3003 ms. (steps per millisecond=103 ) properties seen :0
Running SMT prover for 3 properties.
// Phase 1: matrix 123 rows 137 cols
[2023-03-10 02:10:00] [INFO ] Computed 22 place invariants in 7 ms
[2023-03-10 02:10:00] [INFO ] After 50ms SMT Verify possible using all constraints in real domain returned unsat :0 sat :0 real:3
[2023-03-10 02:10:00] [INFO ] [Nat]Absence check using 5 positive place invariants in 4 ms returned sat
[2023-03-10 02:10:00] [INFO ] [Nat]Absence check using 5 positive and 17 generalized place invariants in 8 ms returned sat
[2023-03-10 02:10:00] [INFO ] After 170ms SMT Verify possible using state equation in natural domain returned unsat :0 sat :3
[2023-03-10 02:10:00] [INFO ] State equation strengthened by 6 read => feed constraints.
[2023-03-10 02:10:01] [INFO ] After 120ms SMT Verify possible using 6 Read/Feed constraints in natural domain returned unsat :0 sat :3
[2023-03-10 02:10:01] [INFO ] Deduced a trap composed of 15 places in 74 ms of which 1 ms to minimize.
[2023-03-10 02:10:01] [INFO ] Trap strengthening (SAT) tested/added 2/1 trap constraints in 94 ms
[2023-03-10 02:10:01] [INFO ] Deduced a trap composed of 45 places in 101 ms of which 1 ms to minimize.
[2023-03-10 02:10:01] [INFO ] Deduced a trap composed of 42 places in 96 ms of which 1 ms to minimize.
[2023-03-10 02:10:01] [INFO ] Deduced a trap composed of 41 places in 159 ms of which 1 ms to minimize.
[2023-03-10 02:10:02] [INFO ] Deduced a trap composed of 48 places in 147 ms of which 1 ms to minimize.
[2023-03-10 02:10:02] [INFO ] Deduced a trap composed of 47 places in 106 ms of which 0 ms to minimize.
[2023-03-10 02:10:02] [INFO ] Deduced a trap composed of 55 places in 102 ms of which 0 ms to minimize.
[2023-03-10 02:10:02] [INFO ] Deduced a trap composed of 44 places in 81 ms of which 1 ms to minimize.
[2023-03-10 02:10:02] [INFO ] Deduced a trap composed of 57 places in 123 ms of which 1 ms to minimize.
[2023-03-10 02:10:02] [INFO ] Deduced a trap composed of 52 places in 96 ms of which 8 ms to minimize.
[2023-03-10 02:10:02] [INFO ] Deduced a trap composed of 55 places in 117 ms of which 1 ms to minimize.
[2023-03-10 02:10:02] [INFO ] Deduced a trap composed of 59 places in 77 ms of which 1 ms to minimize.
[2023-03-10 02:10:03] [INFO ] Deduced a trap composed of 62 places in 103 ms of which 1 ms to minimize.
[2023-03-10 02:10:03] [INFO ] Deduced a trap composed of 59 places in 117 ms of which 1 ms to minimize.
[2023-03-10 02:10:03] [INFO ] Trap strengthening (SAT) tested/added 14/13 trap constraints in 1844 ms
[2023-03-10 02:10:03] [INFO ] Deduced a trap composed of 8 places in 66 ms of which 2 ms to minimize.
[2023-03-10 02:10:03] [INFO ] Deduced a trap composed of 27 places in 50 ms of which 0 ms to minimize.
[2023-03-10 02:10:03] [INFO ] Trap strengthening (SAT) tested/added 3/2 trap constraints in 142 ms
[2023-03-10 02:10:03] [INFO ] After 2431ms SMT Verify possible using trap constraints in natural domain returned unsat :0 sat :3
Attempting to minimize the solution found.
Minimization took 185 ms.
[2023-03-10 02:10:03] [INFO ] After 2862ms SMT Verify possible using all constraints in natural domain returned unsat :0 sat :3
Parikh walk visited 0 properties in 190 ms.
Support contains 37 out of 137 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 137/137 places, 123/123 transitions.
Applied a total of 0 rules in 6 ms. Remains 137 /137 variables (removed 0) and now considering 123/123 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 7 ms. Remains : 137/137 places, 123/123 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 137/137 places, 123/123 transitions.
Applied a total of 0 rules in 6 ms. Remains 137 /137 variables (removed 0) and now considering 123/123 (removed 0) transitions.
[2023-03-10 02:10:03] [INFO ] Invariant cache hit.
[2023-03-10 02:10:03] [INFO ] Implicit Places using invariants in 164 ms returned [31, 38, 57, 59, 66, 72, 91, 99, 125]
Discarding 9 places :
Implicit Place search using SMT only with invariants took 168 ms to find 9 implicit places.
Starting structural reductions in REACHABILITY mode, iteration 1 : 128/137 places, 123/123 transitions.
Free-agglomeration rule (complex) applied 1 times.
Iterating global reduction 0 with 1 rules applied. Total rules applied 1 place count 128 transition count 122
Reduce places removed 1 places and 0 transitions.
Iterating post reduction 0 with 1 rules applied. Total rules applied 2 place count 127 transition count 122
Applied a total of 2 rules in 11 ms. Remains 127 /128 variables (removed 1) and now considering 122/123 (removed 1) transitions.
// Phase 1: matrix 122 rows 127 cols
[2023-03-10 02:10:04] [INFO ] Computed 14 place invariants in 4 ms
[2023-03-10 02:10:04] [INFO ] Implicit Places using invariants in 100 ms returned []
[2023-03-10 02:10:04] [INFO ] Invariant cache hit.
[2023-03-10 02:10:04] [INFO ] State equation strengthened by 6 read => feed constraints.
[2023-03-10 02:10:04] [INFO ] Implicit Places using invariants and state equation in 297 ms returned []
Implicit Place search using SMT with State Equation took 399 ms to find 0 implicit places.
Starting structural reductions in REACHABILITY mode, iteration 2 : 127/137 places, 122/123 transitions.
Finished structural reductions in REACHABILITY mode , in 2 iterations and 585 ms. Remains : 127/137 places, 122/123 transitions.
Incomplete random walk after 10000 steps, including 607 resets, run finished after 239 ms. (steps per millisecond=41 ) properties (out of 3) seen :0
Incomplete Best-First random walk after 10000 steps, including 461 resets, run finished after 170 ms. (steps per millisecond=58 ) properties (out of 3) seen :0
Incomplete Best-First random walk after 10000 steps, including 526 resets, run finished after 92 ms. (steps per millisecond=108 ) properties (out of 3) seen :0
Incomplete Best-First random walk after 10000 steps, including 472 resets, run finished after 95 ms. (steps per millisecond=105 ) properties (out of 3) seen :0
Interrupted probabilistic random walk after 348330 steps, run timeout after 3001 ms. (steps per millisecond=116 ) properties seen :{}
Probabilistic random walk after 348330 steps, saw 174267 distinct states, run finished after 3005 ms. (steps per millisecond=115 ) properties seen :0
Running SMT prover for 3 properties.
[2023-03-10 02:10:08] [INFO ] Invariant cache hit.
[2023-03-10 02:10:08] [INFO ] After 54ms SMT Verify possible using all constraints in real domain returned unsat :0 sat :0 real:3
[2023-03-10 02:10:08] [INFO ] [Nat]Absence check using 8 positive place invariants in 8 ms returned sat
[2023-03-10 02:10:08] [INFO ] [Nat]Absence check using 8 positive and 6 generalized place invariants in 3 ms returned sat
[2023-03-10 02:10:08] [INFO ] After 144ms SMT Verify possible using state equation in natural domain returned unsat :0 sat :3
[2023-03-10 02:10:08] [INFO ] State equation strengthened by 6 read => feed constraints.
[2023-03-10 02:10:08] [INFO ] After 165ms SMT Verify possible using 6 Read/Feed constraints in natural domain returned unsat :0 sat :3
[2023-03-10 02:10:08] [INFO ] Deduced a trap composed of 11 places in 78 ms of which 1 ms to minimize.
[2023-03-10 02:10:08] [INFO ] Deduced a trap composed of 20 places in 84 ms of which 1 ms to minimize.
[2023-03-10 02:10:08] [INFO ] Deduced a trap composed of 23 places in 81 ms of which 1 ms to minimize.
[2023-03-10 02:10:08] [INFO ] Deduced a trap composed of 53 places in 83 ms of which 1 ms to minimize.
[2023-03-10 02:10:08] [INFO ] Deduced a trap composed of 51 places in 83 ms of which 1 ms to minimize.
[2023-03-10 02:10:09] [INFO ] Deduced a trap composed of 59 places in 78 ms of which 1 ms to minimize.
[2023-03-10 02:10:09] [INFO ] Deduced a trap composed of 55 places in 70 ms of which 1 ms to minimize.
[2023-03-10 02:10:09] [INFO ] Deduced a trap composed of 57 places in 68 ms of which 0 ms to minimize.
[2023-03-10 02:10:09] [INFO ] Deduced a trap composed of 57 places in 80 ms of which 2 ms to minimize.
[2023-03-10 02:10:09] [INFO ] Trap strengthening (SAT) tested/added 10/9 trap constraints in 843 ms
[2023-03-10 02:10:09] [INFO ] Deduced a trap composed of 27 places in 64 ms of which 1 ms to minimize.
[2023-03-10 02:10:09] [INFO ] Deduced a trap composed of 27 places in 43 ms of which 0 ms to minimize.
[2023-03-10 02:10:09] [INFO ] Deduced a trap composed of 32 places in 41 ms of which 1 ms to minimize.
[2023-03-10 02:10:09] [INFO ] Trap strengthening (SAT) tested/added 4/3 trap constraints in 179 ms
[2023-03-10 02:10:09] [INFO ] After 1276ms SMT Verify possible using trap constraints in natural domain returned unsat :0 sat :3
Attempting to minimize the solution found.
Minimization took 155 ms.
[2023-03-10 02:10:09] [INFO ] After 1646ms SMT Verify possible using all constraints in natural domain returned unsat :0 sat :3
Parikh walk visited 0 properties in 38 ms.
Support contains 37 out of 127 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 127/127 places, 122/122 transitions.
Applied a total of 0 rules in 5 ms. Remains 127 /127 variables (removed 0) and now considering 122/122 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 5 ms. Remains : 127/127 places, 122/122 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 127/127 places, 122/122 transitions.
Applied a total of 0 rules in 5 ms. Remains 127 /127 variables (removed 0) and now considering 122/122 (removed 0) transitions.
[2023-03-10 02:10:09] [INFO ] Invariant cache hit.
[2023-03-10 02:10:09] [INFO ] Implicit Places using invariants in 79 ms returned []
[2023-03-10 02:10:09] [INFO ] Invariant cache hit.
[2023-03-10 02:10:09] [INFO ] State equation strengthened by 6 read => feed constraints.
[2023-03-10 02:10:10] [INFO ] Implicit Places using invariants and state equation in 281 ms returned []
Implicit Place search using SMT with State Equation took 364 ms to find 0 implicit places.
[2023-03-10 02:10:10] [INFO ] Redundant transitions in 3 ms returned []
[2023-03-10 02:10:10] [INFO ] Invariant cache hit.
[2023-03-10 02:10:10] [INFO ] Dead Transitions using invariants and state equation in 107 ms found 0 transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 486 ms. Remains : 127/127 places, 122/122 transitions.
Performed 2 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 0 with 2 Pre rules applied. Total rules applied 0 place count 127 transition count 120
Deduced a syphon composed of 2 places in 0 ms
Reduce places removed 2 places and 0 transitions.
Iterating global reduction 0 with 4 rules applied. Total rules applied 4 place count 125 transition count 120
Free-agglomeration rule applied 2 times.
Iterating global reduction 0 with 2 rules applied. Total rules applied 6 place count 125 transition count 118
Reduce places removed 2 places and 0 transitions.
Iterating post reduction 0 with 2 rules applied. Total rules applied 8 place count 123 transition count 118
Applied a total of 8 rules in 11 ms. Remains 123 /127 variables (removed 4) and now considering 118/122 (removed 4) transitions.
Running SMT prover for 3 properties.
// Phase 1: matrix 118 rows 123 cols
[2023-03-10 02:10:10] [INFO ] Computed 14 place invariants in 3 ms
[2023-03-10 02:10:10] [INFO ] After 58ms SMT Verify possible using all constraints in real domain returned unsat :0 sat :0 real:3
[2023-03-10 02:10:10] [INFO ] [Nat]Absence check using 8 positive place invariants in 8 ms returned sat
[2023-03-10 02:10:10] [INFO ] [Nat]Absence check using 8 positive and 6 generalized place invariants in 3 ms returned sat
[2023-03-10 02:10:10] [INFO ] After 157ms SMT Verify possible using state equation in natural domain returned unsat :0 sat :3
[2023-03-10 02:10:10] [INFO ] Deduced a trap composed of 21 places in 64 ms of which 0 ms to minimize.
[2023-03-10 02:10:10] [INFO ] Deduced a trap composed of 10 places in 69 ms of which 1 ms to minimize.
[2023-03-10 02:10:10] [INFO ] Trap strengthening (SAT) tested/added 3/2 trap constraints in 162 ms
[2023-03-10 02:10:10] [INFO ] Deduced a trap composed of 11 places in 97 ms of which 1 ms to minimize.
[2023-03-10 02:10:10] [INFO ] Trap strengthening (SAT) tested/added 2/1 trap constraints in 129 ms
[2023-03-10 02:10:11] [INFO ] Deduced a trap composed of 27 places in 38 ms of which 0 ms to minimize.
[2023-03-10 02:10:11] [INFO ] Trap strengthening (SAT) tested/added 2/1 trap constraints in 56 ms
[2023-03-10 02:10:11] [INFO ] After 657ms SMT Verify possible using trap constraints in natural domain returned unsat :0 sat :3
Attempting to minimize the solution found.
Minimization took 134 ms.
[2023-03-10 02:10:11] [INFO ] After 874ms SMT Verify possible using all constraints in natural domain returned unsat :0 sat :3
[2023-03-10 02:10:11] [INFO ] Export to MCC of 3 properties in file /home/mcc/execution/ReachabilityCardinality.sr.xml took 11 ms.
[2023-03-10 02:10:11] [INFO ] Export to PNML in file /home/mcc/execution/model.sr.pnml of net with 127 places, 122 transitions and 420 arcs took 3 ms.
[2023-03-10 02:10:11] [INFO ] Flatten gal took : 78 ms
Total runtime 33630 ms.
There are residual formulas that ITS could not solve within timeout
======================================================
========== this is Smart for the MCC'2018 ============
======================================================
Running DoubleExponent (PT), instance 004
Examination ReachabilityCardinality
Parser /home/mcc/BenchKit/bin//../reducer/bin//../../smart/bin//parser/Cardinality.jar
Model checker /home/mcc/BenchKit/bin//../reducer/bin//../../smart/bin//rem_exec//smart
GOT IT HERE. BS
Petri model created: 127 places, 122 transitions, 420 arcs.
Final Score: 1362.71
Took : 4 seconds
Reachability Cardinality file is: ReachabilityCardinality.xml
READY TO PARSE. BS
PROPERTY: DoubleExponent-PT-004-ReachabilityCardinality-01 (reachable &!potential( ( ( ( 1 ) <= (tk(P91)) ) | ( (tk(P73)) <= (tk(P101)) ) )))
PROPERTY: DoubleExponent-PT-004-ReachabilityCardinality-07 (reachable &!potential( ( ( ( ( (tk(P113)) <= ( 0 ) ) | ( ( 1 ) <= (tk(P13)) ) ) | ( ( ( 1 ) <= (tk(P11)) ) | ( ( ( (tk(P52)) <= ( 1 ) ) & ( (tk(P3)) <= ( 0 ) ) ) & ( (! ( (tk(P84)) <= ( 0 ) )) & ( (! ( ( 1 ) <= (tk(P125)) )) | ( ( ( (tk(P44)) <= ( 0 ) ) | ( ( ( (! ( (tk(P102)) <= (tk(P29)) )) & (! ( (tk(P45)) <= ( 0 ) )) ) & ( ( (! ( (tk(P9)) <= (tk(P20)) )) | ( (! ( ( 1 ) <= (tk(P69)) )) | ( ( 1 ) <= (tk(P76)) ) ) ) & ( (! ( (tk(P54)) <= ( 0 ) )) | (! ( (tk(P26)) <= ( 0 ) )) ) ) ) | ( (! ( (tk(P120)) <= ( 0 ) )) & ( (! ( (tk(P111)) <= (tk(P82)) )) & ( (! ( (tk(P42)) <= ( 0 ) )) | (! ( (tk(P103)) <= ( 1 ) )) ) ) ) ) ) & ( (! ( (tk(P97)) <= ( 1 ) )) | (! ( (tk(P52)) <= ( 1 ) )) ) ) ) ) ) ) ) | ( ( ( ( ( 1 ) <= (tk(P110)) ) & ( ( 1 ) <= (tk(P98)) ) ) | ( (! ( (tk(P53)) <= (tk(P114)) )) & (! ( (tk(P26)) <= (tk(P56)) )) ) ) | ( ( (! ( (tk(P37)) <= (tk(P57)) )) & (! ( ( 1 ) <= (tk(P16)) )) ) | ( ( ( (tk(P78)) <= ( 0 ) ) & ( (tk(P28)) <= ( 1 ) ) ) | ( ( (tk(P99)) <= ( 0 ) ) & ( (tk(P42)) <= (tk(P125)) ) ) ) ) ) )))
PROPERTY: DoubleExponent-PT-004-ReachabilityCardinality-13 (reachable &!potential( (! ( ( 1 ) <= (tk(P57)) ))))
TIME LIMIT: Killed by timeout after 3600 seconds
MemTotal: 16393216 kB
MemFree: 13924908 kB
After kill :
MemTotal: 16393216 kB
MemFree: 16107956 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 ReachabilityCardinality -timeout 360 -rebuildPNML
Caught signal 15, terminating.
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="DoubleExponent-PT-004"
export BK_EXAMINATION="ReachabilityCardinality"
export BK_TOOL="smartxred"
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 smartxred"
echo " Input is DoubleExponent-PT-004, examination is ReachabilityCardinality"
echo " Time confinement is $BK_TIME_CONFINEMENT seconds"
echo " Memory confinement is 16384 MBytes"
echo " Number of cores is 4"
echo " Run identifier is r139-smll-167819423100470"
echo "====================================================================="
echo
echo "--------------------"
echo "preparation of the directory to be used:"
tar xzf /home/mcc/BenchKit/INPUTS/DoubleExponent-PT-004.tgz
mv DoubleExponent-PT-004 execution
cd execution
if [ "ReachabilityCardinality" = "ReachabilityDeadlock" ] || [ "ReachabilityCardinality" = "UpperBounds" ] || [ "ReachabilityCardinality" = "QuasiLiveness" ] || [ "ReachabilityCardinality" = "StableMarking" ] || [ "ReachabilityCardinality" = "Liveness" ] || [ "ReachabilityCardinality" = "OneSafe" ] || [ "ReachabilityCardinality" = "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 [ "ReachabilityCardinality" = "UpperBounds" ] ; then
echo "The expected result is a vector of positive values"
echo NUM_VECTOR
elif [ "ReachabilityCardinality" != "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 "ReachabilityCardinality.txt" ] ; then
echo "here is the order used to build the result vector(from text file)"
for x in $(grep Property ReachabilityCardinality.txt | cut -d ' ' -f 2 | sort -u) ; do
echo "FORMULA_NAME $x"
done
elif [ -f "ReachabilityCardinality.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 [ "ReachabilityCardinality" = "ReachabilityDeadlock" ] || [ "ReachabilityCardinality" = "QuasiLiveness" ] || [ "ReachabilityCardinality" = "StableMarking" ] || [ "ReachabilityCardinality" = "Liveness" ] || [ "ReachabilityCardinality" = "OneSafe" ] ; then
echo "FORMULA_NAME ReachabilityCardinality"
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 ;