fond
Model Checking Contest 2023
13th edition, Paris, France, April 26, 2023 (at TOOLympics II)
Execution of r167-tall-167838853500695
Last Updated
May 14, 2023

About the Execution of LoLa+red for FunctionPointer-PT-b032

Execution Summary
Max Memory
Used (MB)
Time wait (ms) CPU Usage (ms) I/O Wait (ms) Computed Result Execution
Status
361.792 15922.00 45846.00 240.90 TFFFTTFFFTFFTFFT 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.r167-tall-167838853500695.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 lolaxred
Input is FunctionPointer-PT-b032, examination is ReachabilityFireability
Time confinement is 3600 seconds
Memory confinement is 16384 MBytes
Number of cores is 4
Run identifier is r167-tall-167838853500695
=====================================================================

--------------------
preparation of the directory to be used:
/home/mcc/execution
total 772K
-rw-r--r-- 1 mcc users 7.6K Feb 25 11:52 CTLCardinality.txt
-rw-r--r-- 1 mcc users 82K Feb 25 11:52 CTLCardinality.xml
-rw-r--r-- 1 mcc users 5.2K Feb 25 11:51 CTLFireability.txt
-rw-r--r-- 1 mcc users 47K Feb 25 11:51 CTLFireability.xml
-rw-r--r-- 1 mcc users 3.8K Feb 25 16:09 LTLCardinality.txt
-rw-r--r-- 1 mcc users 27K Feb 25 16:09 LTLCardinality.xml
-rw-r--r-- 1 mcc users 2.2K Feb 25 16:09 LTLFireability.txt
-rw-r--r-- 1 mcc users 16K Feb 25 16:09 LTLFireability.xml
-rw-r--r-- 1 mcc users 7.7K Feb 25 11:53 ReachabilityCardinality.txt
-rw-r--r-- 1 mcc users 75K Feb 25 11:53 ReachabilityCardinality.xml
-rw-r--r-- 1 mcc users 7.9K Feb 25 11:53 ReachabilityFireability.txt
-rw-r--r-- 1 mcc users 66K Feb 25 11:53 ReachabilityFireability.xml
-rw-r--r-- 1 mcc users 1.7K Feb 25 16:09 UpperBounds.txt
-rw-r--r-- 1 mcc users 3.7K Feb 25 16:09 UpperBounds.xml
-rw-r--r-- 1 mcc users 6 Mar 5 18:22 equiv_col
-rw-r--r-- 1 mcc users 5 Mar 5 18:22 instance
-rw-r--r-- 1 mcc users 6 Mar 5 18:22 iscolored
-rw-r--r-- 1 mcc users 391K 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 FunctionPointer-PT-b032-ReachabilityFireability-00
FORMULA_NAME FunctionPointer-PT-b032-ReachabilityFireability-01
FORMULA_NAME FunctionPointer-PT-b032-ReachabilityFireability-02
FORMULA_NAME FunctionPointer-PT-b032-ReachabilityFireability-03
FORMULA_NAME FunctionPointer-PT-b032-ReachabilityFireability-04
FORMULA_NAME FunctionPointer-PT-b032-ReachabilityFireability-05
FORMULA_NAME FunctionPointer-PT-b032-ReachabilityFireability-06
FORMULA_NAME FunctionPointer-PT-b032-ReachabilityFireability-07
FORMULA_NAME FunctionPointer-PT-b032-ReachabilityFireability-08
FORMULA_NAME FunctionPointer-PT-b032-ReachabilityFireability-09
FORMULA_NAME FunctionPointer-PT-b032-ReachabilityFireability-10
FORMULA_NAME FunctionPointer-PT-b032-ReachabilityFireability-11
FORMULA_NAME FunctionPointer-PT-b032-ReachabilityFireability-12
FORMULA_NAME FunctionPointer-PT-b032-ReachabilityFireability-13
FORMULA_NAME FunctionPointer-PT-b032-ReachabilityFireability-14
FORMULA_NAME FunctionPointer-PT-b032-ReachabilityFireability-15

=== Now, execution of the tool begins

BK_START 1678505623847

bash -c /home/mcc/BenchKit/BenchKit_head.sh 2> STDERR ; echo ; echo -n "BK_STOP " ; date -u +%s%3N
Invoking MCC driver with
BK_TOOL=lolaxred
BK_EXAMINATION=ReachabilityFireability
BK_BIN_PATH=/home/mcc/BenchKit/bin/
BK_TIME_CONFINEMENT=3600
BK_INPUT=FunctionPointer-PT-b032
Applying reductions before tool lola
Invoking reducer
Running Version 202303021504
[2023-03-11 03:33:45] [INFO ] Running its-tools with arguments : [-pnfolder, /home/mcc/execution, -examination, ReachabilityFireability, -timeout, 360, -rebuildPNML]
[2023-03-11 03:33:45] [INFO ] Parsing pnml file : /home/mcc/execution/model.pnml
[2023-03-11 03:33:45] [INFO ] Load time of PNML (sax parser for PT used): 81 ms
[2023-03-11 03:33:45] [INFO ] Transformed 306 places.
[2023-03-11 03:33:45] [INFO ] Transformed 840 transitions.
[2023-03-11 03:33:45] [INFO ] Parsed PT model containing 306 places and 840 transitions and 3392 arcs in 146 ms.
Parsed 16 properties from file /home/mcc/execution/ReachabilityFireability.xml in 12 ms.
Working with output stream class java.io.PrintStream
Deduced a syphon composed of 84 places in 5 ms
Reduce places removed 84 places and 192 transitions.
FORMULA FunctionPointer-PT-b032-ReachabilityFireability-02 FALSE TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA FunctionPointer-PT-b032-ReachabilityFireability-04 TRUE TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA FunctionPointer-PT-b032-ReachabilityFireability-06 FALSE TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA FunctionPointer-PT-b032-ReachabilityFireability-11 FALSE TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA FunctionPointer-PT-b032-ReachabilityFireability-14 FALSE TECHNIQUES TOPOLOGICAL INITIAL_STATE
Incomplete random walk after 10000 steps, including 9 resets, run finished after 304 ms. (steps per millisecond=32 ) properties (out of 11) seen :3
FORMULA FunctionPointer-PT-b032-ReachabilityFireability-09 TRUE TECHNIQUES TOPOLOGICAL RANDOM_WALK
FORMULA FunctionPointer-PT-b032-ReachabilityFireability-01 FALSE TECHNIQUES TOPOLOGICAL RANDOM_WALK
FORMULA FunctionPointer-PT-b032-ReachabilityFireability-00 TRUE TECHNIQUES TOPOLOGICAL RANDOM_WALK
Incomplete Best-First random walk after 10001 steps, including 2 resets, run finished after 36 ms. (steps per millisecond=277 ) properties (out of 8) seen :0
Incomplete Best-First random walk after 10000 steps, including 2 resets, run finished after 30 ms. (steps per millisecond=333 ) properties (out of 8) seen :0
Incomplete Best-First random walk after 10001 steps, including 2 resets, run finished after 47 ms. (steps per millisecond=212 ) properties (out of 8) seen :0
Incomplete Best-First random walk after 10001 steps, including 2 resets, run finished after 42 ms. (steps per millisecond=238 ) properties (out of 8) seen :0
Incomplete Best-First random walk after 10001 steps, including 2 resets, run finished after 28 ms. (steps per millisecond=357 ) properties (out of 8) seen :0
Incomplete Best-First random walk after 10001 steps, including 2 resets, run finished after 22 ms. (steps per millisecond=454 ) properties (out of 8) seen :0
Incomplete Best-First random walk after 10001 steps, including 2 resets, run finished after 29 ms. (steps per millisecond=344 ) properties (out of 8) seen :0
Incomplete Best-First random walk after 10001 steps, including 2 resets, run finished after 20 ms. (steps per millisecond=500 ) properties (out of 8) seen :0
Running SMT prover for 8 properties.
[2023-03-11 03:33:46] [INFO ] Flow matrix only has 414 transitions (discarded 234 similar events)
// Phase 1: matrix 414 rows 222 cols
[2023-03-11 03:33:46] [INFO ] Computed 4 place invariants in 22 ms
[2023-03-11 03:33:46] [INFO ] [Real]Absence check using 3 positive place invariants in 2 ms returned sat
[2023-03-11 03:33:46] [INFO ] [Real]Absence check using 3 positive and 1 generalized place invariants in 1 ms returned sat
[2023-03-11 03:33:46] [INFO ] After 223ms SMT Verify possible using all constraints in real domain returned unsat :1 sat :0 real:7
[2023-03-11 03:33:46] [INFO ] [Nat]Absence check using 3 positive place invariants in 1 ms returned sat
[2023-03-11 03:33:46] [INFO ] [Nat]Absence check using 3 positive and 1 generalized place invariants in 2 ms returned sat
[2023-03-11 03:33:46] [INFO ] After 217ms SMT Verify possible using state equation in natural domain returned unsat :2 sat :6
[2023-03-11 03:33:46] [INFO ] State equation strengthened by 65 read => feed constraints.
[2023-03-11 03:33:46] [INFO ] After 135ms SMT Verify possible using 65 Read/Feed constraints in natural domain returned unsat :2 sat :6
[2023-03-11 03:33:46] [INFO ] After 311ms SMT Verify possible using trap constraints in natural domain returned unsat :2 sat :6
Attempting to minimize the solution found.
Minimization took 141 ms.
[2023-03-11 03:33:47] [INFO ] After 800ms SMT Verify possible using all constraints in natural domain returned unsat :2 sat :6
FORMULA FunctionPointer-PT-b032-ReachabilityFireability-13 FALSE TECHNIQUES STRUCTURAL_REDUCTION TOPOLOGICAL SAT_SMT
FORMULA FunctionPointer-PT-b032-ReachabilityFireability-07 FALSE TECHNIQUES STRUCTURAL_REDUCTION TOPOLOGICAL SAT_SMT
Fused 8 Parikh solutions to 6 different solutions.
Parikh walk visited 0 properties in 205 ms.
Support contains 13 out of 222 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 222/222 places, 648/648 transitions.
Graph (complete) has 932 edges and 222 vertex of which 212 are kept as prefixes of interest. Removing 10 places using SCC suffix rule.3 ms
Discarding 10 places :
Also discarding 0 output transitions
Discarding 25 places :
Symmetric choice reduction at 0 with 25 rule applications. Total rules 26 place count 187 transition count 524
Iterating global reduction 0 with 25 rules applied. Total rules applied 51 place count 187 transition count 524
Ensure Unique test removed 42 transitions
Reduce isomorphic transitions removed 42 transitions.
Iterating post reduction 0 with 42 rules applied. Total rules applied 93 place count 187 transition count 482
Discarding 14 places :
Symmetric choice reduction at 1 with 14 rule applications. Total rules 107 place count 173 transition count 454
Iterating global reduction 1 with 14 rules applied. Total rules applied 121 place count 173 transition count 454
Ensure Unique test removed 12 transitions
Reduce isomorphic transitions removed 12 transitions.
Iterating post reduction 1 with 12 rules applied. Total rules applied 133 place count 173 transition count 442
Discarding 7 places :
Symmetric choice reduction at 2 with 7 rule applications. Total rules 140 place count 166 transition count 428
Iterating global reduction 2 with 7 rules applied. Total rules applied 147 place count 166 transition count 428
Discarding 7 places :
Symmetric choice reduction at 2 with 7 rule applications. Total rules 154 place count 159 transition count 400
Iterating global reduction 2 with 7 rules applied. Total rules applied 161 place count 159 transition count 400
Discarding 7 places :
Symmetric choice reduction at 2 with 7 rule applications. Total rules 168 place count 152 transition count 386
Iterating global reduction 2 with 7 rules applied. Total rules applied 175 place count 152 transition count 386
Discarding 5 places :
Symmetric choice reduction at 2 with 5 rule applications. Total rules 180 place count 147 transition count 366
Iterating global reduction 2 with 5 rules applied. Total rules applied 185 place count 147 transition count 366
Discarding 4 places :
Symmetric choice reduction at 2 with 4 rule applications. Total rules 189 place count 143 transition count 350
Iterating global reduction 2 with 4 rules applied. Total rules applied 193 place count 143 transition count 350
Discarding 4 places :
Symmetric choice reduction at 2 with 4 rule applications. Total rules 197 place count 139 transition count 342
Iterating global reduction 2 with 4 rules applied. Total rules applied 201 place count 139 transition count 342
Discarding 4 places :
Symmetric choice reduction at 2 with 4 rule applications. Total rules 205 place count 135 transition count 334
Iterating global reduction 2 with 4 rules applied. Total rules applied 209 place count 135 transition count 334
Discarding 3 places :
Symmetric choice reduction at 2 with 3 rule applications. Total rules 212 place count 132 transition count 328
Iterating global reduction 2 with 3 rules applied. Total rules applied 215 place count 132 transition count 328
Discarding 3 places :
Symmetric choice reduction at 2 with 3 rule applications. Total rules 218 place count 129 transition count 322
Iterating global reduction 2 with 3 rules applied. Total rules applied 221 place count 129 transition count 322
Discarding 3 places :
Symmetric choice reduction at 2 with 3 rule applications. Total rules 224 place count 126 transition count 316
Iterating global reduction 2 with 3 rules applied. Total rules applied 227 place count 126 transition count 316
Drop transitions removed 8 transitions
Redundant transition composition rules discarded 8 transitions
Iterating global reduction 2 with 8 rules applied. Total rules applied 235 place count 126 transition count 308
Applied a total of 235 rules in 126 ms. Remains 126 /222 variables (removed 96) and now considering 308/648 (removed 340) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 126 ms. Remains : 126/222 places, 308/648 transitions.
Incomplete random walk after 10007 steps, including 12 resets, run finished after 45 ms. (steps per millisecond=222 ) properties (out of 6) seen :1
FORMULA FunctionPointer-PT-b032-ReachabilityFireability-10 FALSE TECHNIQUES TOPOLOGICAL RANDOM_WALK
Incomplete Best-First random walk after 10001 steps, including 2 resets, run finished after 13 ms. (steps per millisecond=769 ) properties (out of 5) seen :0
Incomplete Best-First random walk after 10001 steps, including 2 resets, run finished after 13 ms. (steps per millisecond=769 ) properties (out of 5) seen :0
Incomplete Best-First random walk after 10001 steps, including 2 resets, run finished after 16 ms. (steps per millisecond=625 ) properties (out of 5) seen :0
Incomplete Best-First random walk after 10001 steps, including 2 resets, run finished after 13 ms. (steps per millisecond=769 ) properties (out of 5) seen :0
Incomplete Best-First random walk after 10000 steps, including 2 resets, run finished after 13 ms. (steps per millisecond=769 ) properties (out of 5) seen :0
Running SMT prover for 5 properties.
[2023-03-11 03:33:47] [INFO ] Flow matrix only has 210 transitions (discarded 98 similar events)
// Phase 1: matrix 210 rows 126 cols
[2023-03-11 03:33:47] [INFO ] Computed 2 place invariants in 3 ms
[2023-03-11 03:33:47] [INFO ] [Real]Absence check using 1 positive place invariants in 1 ms returned sat
[2023-03-11 03:33:47] [INFO ] [Real]Absence check using 1 positive and 1 generalized place invariants in 0 ms returned sat
[2023-03-11 03:33:47] [INFO ] After 46ms SMT Verify possible using state equation in real domain returned unsat :0 sat :1 real:4
[2023-03-11 03:33:47] [INFO ] State equation strengthened by 48 read => feed constraints.
[2023-03-11 03:33:47] [INFO ] After 16ms SMT Verify possible using 48 Read/Feed constraints in real domain returned unsat :0 sat :0 real:5
[2023-03-11 03:33:47] [INFO ] After 109ms SMT Verify possible using all constraints in real domain returned unsat :0 sat :0 real:5
[2023-03-11 03:33:47] [INFO ] [Nat]Absence check using 1 positive place invariants in 1 ms returned sat
[2023-03-11 03:33:47] [INFO ] [Nat]Absence check using 1 positive and 1 generalized place invariants in 1 ms returned sat
[2023-03-11 03:33:47] [INFO ] After 93ms SMT Verify possible using state equation in natural domain returned unsat :0 sat :5
[2023-03-11 03:33:47] [INFO ] After 67ms SMT Verify possible using 48 Read/Feed constraints in natural domain returned unsat :0 sat :5
[2023-03-11 03:33:47] [INFO ] After 157ms SMT Verify possible using trap constraints in natural domain returned unsat :0 sat :5
Attempting to minimize the solution found.
Minimization took 78 ms.
[2023-03-11 03:33:48] [INFO ] After 378ms SMT Verify possible using all constraints in natural domain returned unsat :0 sat :5
Parikh walk visited 0 properties in 22 ms.
Support contains 12 out of 126 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 126/126 places, 308/308 transitions.
Applied a total of 0 rules in 11 ms. Remains 126 /126 variables (removed 0) and now considering 308/308 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 11 ms. Remains : 126/126 places, 308/308 transitions.
Incomplete random walk after 10022 steps, including 10 resets, run finished after 58 ms. (steps per millisecond=172 ) properties (out of 5) seen :2
FORMULA FunctionPointer-PT-b032-ReachabilityFireability-15 TRUE TECHNIQUES TOPOLOGICAL RANDOM_WALK
FORMULA FunctionPointer-PT-b032-ReachabilityFireability-03 FALSE TECHNIQUES TOPOLOGICAL RANDOM_WALK
Incomplete Best-First random walk after 10001 steps, including 2 resets, run finished after 9 ms. (steps per millisecond=1111 ) properties (out of 3) seen :0
Incomplete Best-First random walk after 10001 steps, including 2 resets, run finished after 16 ms. (steps per millisecond=625 ) properties (out of 3) seen :0
Incomplete Best-First random walk after 10001 steps, including 2 resets, run finished after 11 ms. (steps per millisecond=909 ) properties (out of 3) seen :0
Running SMT prover for 3 properties.
[2023-03-11 03:33:48] [INFO ] Flow matrix only has 210 transitions (discarded 98 similar events)
[2023-03-11 03:33:48] [INFO ] Invariant cache hit.
[2023-03-11 03:33:48] [INFO ] [Real]Absence check using 1 positive place invariants in 0 ms returned sat
[2023-03-11 03:33:48] [INFO ] [Real]Absence check using 1 positive and 1 generalized place invariants in 0 ms returned sat
[2023-03-11 03:33:48] [INFO ] After 45ms SMT Verify possible using state equation in real domain returned unsat :0 sat :1 real:2
[2023-03-11 03:33:48] [INFO ] State equation strengthened by 48 read => feed constraints.
[2023-03-11 03:33:48] [INFO ] After 17ms SMT Verify possible using 48 Read/Feed constraints in real domain returned unsat :0 sat :0 real:3
[2023-03-11 03:33:48] [INFO ] After 108ms SMT Verify possible using all constraints in real domain returned unsat :0 sat :0 real:3
[2023-03-11 03:33:48] [INFO ] [Nat]Absence check using 1 positive place invariants in 0 ms returned sat
[2023-03-11 03:33:48] [INFO ] [Nat]Absence check using 1 positive and 1 generalized place invariants in 0 ms returned sat
[2023-03-11 03:33:48] [INFO ] After 70ms SMT Verify possible using state equation in natural domain returned unsat :0 sat :3
[2023-03-11 03:33:48] [INFO ] After 46ms SMT Verify possible using 48 Read/Feed constraints in natural domain returned unsat :0 sat :3
[2023-03-11 03:33:48] [INFO ] After 100ms SMT Verify possible using trap constraints in natural domain returned unsat :0 sat :3
Attempting to minimize the solution found.
Minimization took 45 ms.
[2023-03-11 03:33:48] [INFO ] After 258ms SMT Verify possible using all constraints in natural domain returned unsat :0 sat :3
Parikh walk visited 0 properties in 8 ms.
Support contains 10 out of 126 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 126/126 places, 308/308 transitions.
Discarding 2 places :
Symmetric choice reduction at 0 with 2 rule applications. Total rules 2 place count 124 transition count 304
Iterating global reduction 0 with 2 rules applied. Total rules applied 4 place count 124 transition count 304
Ensure Unique test removed 6 transitions
Reduce isomorphic transitions removed 6 transitions.
Iterating post reduction 0 with 6 rules applied. Total rules applied 10 place count 124 transition count 298
Discarding 1 places :
Symmetric choice reduction at 1 with 1 rule applications. Total rules 11 place count 123 transition count 296
Iterating global reduction 1 with 1 rules applied. Total rules applied 12 place count 123 transition count 296
Discarding 1 places :
Symmetric choice reduction at 1 with 1 rule applications. Total rules 13 place count 122 transition count 294
Iterating global reduction 1 with 1 rules applied. Total rules applied 14 place count 122 transition count 294
Applied a total of 14 rules in 21 ms. Remains 122 /126 variables (removed 4) and now considering 294/308 (removed 14) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 21 ms. Remains : 122/126 places, 294/308 transitions.
Incomplete random walk after 10002 steps, including 10 resets, run finished after 36 ms. (steps per millisecond=277 ) properties (out of 3) seen :1
FORMULA FunctionPointer-PT-b032-ReachabilityFireability-08 FALSE TECHNIQUES TOPOLOGICAL RANDOM_WALK
Incomplete Best-First random walk after 10001 steps, including 2 resets, run finished after 9 ms. (steps per millisecond=1111 ) properties (out of 2) seen :0
Incomplete Best-First random walk after 10001 steps, including 2 resets, run finished after 11 ms. (steps per millisecond=909 ) properties (out of 2) seen :0
Running SMT prover for 2 properties.
[2023-03-11 03:33:48] [INFO ] Flow matrix only has 200 transitions (discarded 94 similar events)
// Phase 1: matrix 200 rows 122 cols
[2023-03-11 03:33:48] [INFO ] Computed 2 place invariants in 1 ms
[2023-03-11 03:33:48] [INFO ] [Real]Absence check using 1 positive place invariants in 1 ms returned sat
[2023-03-11 03:33:48] [INFO ] [Real]Absence check using 1 positive and 1 generalized place invariants in 3 ms returned sat
[2023-03-11 03:33:48] [INFO ] After 50ms SMT Verify possible using state equation in real domain returned unsat :0 sat :2
[2023-03-11 03:33:48] [INFO ] State equation strengthened by 46 read => feed constraints.
[2023-03-11 03:33:48] [INFO ] After 27ms SMT Verify possible using 46 Read/Feed constraints in real domain returned unsat :0 sat :0 real:2
[2023-03-11 03:33:48] [INFO ] After 121ms SMT Verify possible using all constraints in real domain returned unsat :0 sat :0 real:2
[2023-03-11 03:33:48] [INFO ] [Nat]Absence check using 1 positive place invariants in 0 ms returned sat
[2023-03-11 03:33:48] [INFO ] [Nat]Absence check using 1 positive and 1 generalized place invariants in 0 ms returned sat
[2023-03-11 03:33:48] [INFO ] After 51ms SMT Verify possible using state equation in natural domain returned unsat :0 sat :2
[2023-03-11 03:33:48] [INFO ] After 22ms SMT Verify possible using 46 Read/Feed constraints in natural domain returned unsat :0 sat :2
[2023-03-11 03:33:48] [INFO ] After 48ms SMT Verify possible using trap constraints in natural domain returned unsat :0 sat :2
Attempting to minimize the solution found.
Minimization took 19 ms.
[2023-03-11 03:33:48] [INFO ] After 155ms SMT Verify possible using all constraints in natural domain returned unsat :0 sat :2
Parikh walk visited 0 properties in 12 ms.
Support contains 5 out of 122 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 122/122 places, 294/294 transitions.
Discarding 2 places :
Symmetric choice reduction at 0 with 2 rule applications. Total rules 2 place count 120 transition count 288
Iterating global reduction 0 with 2 rules applied. Total rules applied 4 place count 120 transition count 288
Ensure Unique test removed 4 transitions
Reduce isomorphic transitions removed 4 transitions.
Iterating post reduction 0 with 4 rules applied. Total rules applied 8 place count 120 transition count 284
Discarding 1 places :
Symmetric choice reduction at 1 with 1 rule applications. Total rules 9 place count 119 transition count 282
Iterating global reduction 1 with 1 rules applied. Total rules applied 10 place count 119 transition count 282
Discarding 1 places :
Symmetric choice reduction at 1 with 1 rule applications. Total rules 11 place count 118 transition count 278
Iterating global reduction 1 with 1 rules applied. Total rules applied 12 place count 118 transition count 278
Discarding 1 places :
Symmetric choice reduction at 1 with 1 rule applications. Total rules 13 place count 117 transition count 276
Iterating global reduction 1 with 1 rules applied. Total rules applied 14 place count 117 transition count 276
Discarding 1 places :
Symmetric choice reduction at 1 with 1 rule applications. Total rules 15 place count 116 transition count 274
Iterating global reduction 1 with 1 rules applied. Total rules applied 16 place count 116 transition count 274
Discarding 1 places :
Symmetric choice reduction at 1 with 1 rule applications. Total rules 17 place count 115 transition count 272
Iterating global reduction 1 with 1 rules applied. Total rules applied 18 place count 115 transition count 272
Discarding 1 places :
Symmetric choice reduction at 1 with 1 rule applications. Total rules 19 place count 114 transition count 270
Iterating global reduction 1 with 1 rules applied. Total rules applied 20 place count 114 transition count 270
Discarding 1 places :
Symmetric choice reduction at 1 with 1 rule applications. Total rules 21 place count 113 transition count 268
Iterating global reduction 1 with 1 rules applied. Total rules applied 22 place count 113 transition count 268
Discarding 1 places :
Symmetric choice reduction at 1 with 1 rule applications. Total rules 23 place count 112 transition count 266
Iterating global reduction 1 with 1 rules applied. Total rules applied 24 place count 112 transition count 266
Applied a total of 24 rules in 28 ms. Remains 112 /122 variables (removed 10) and now considering 266/294 (removed 28) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 28 ms. Remains : 112/122 places, 266/294 transitions.
Incomplete random walk after 10000 steps, including 13 resets, run finished after 29 ms. (steps per millisecond=344 ) properties (out of 2) seen :0
Incomplete Best-First random walk after 10001 steps, including 2 resets, run finished after 10 ms. (steps per millisecond=1000 ) properties (out of 2) seen :0
Incomplete Best-First random walk after 10001 steps, including 2 resets, run finished after 10 ms. (steps per millisecond=1000 ) properties (out of 2) seen :0
Interrupted probabilistic random walk after 585721 steps, run timeout after 3001 ms. (steps per millisecond=195 ) properties seen :{}
Probabilistic random walk after 585721 steps, saw 385076 distinct states, run finished after 3008 ms. (steps per millisecond=194 ) properties seen :0
Running SMT prover for 2 properties.
[2023-03-11 03:33:52] [INFO ] Flow matrix only has 182 transitions (discarded 84 similar events)
// Phase 1: matrix 182 rows 112 cols
[2023-03-11 03:33:52] [INFO ] Computed 2 place invariants in 7 ms
[2023-03-11 03:33:52] [INFO ] [Real]Absence check using 1 positive place invariants in 0 ms returned sat
[2023-03-11 03:33:52] [INFO ] [Real]Absence check using 1 positive and 1 generalized place invariants in 1 ms returned sat
[2023-03-11 03:33:52] [INFO ] After 47ms SMT Verify possible using state equation in real domain returned unsat :0 sat :1 real:1
[2023-03-11 03:33:52] [INFO ] State equation strengthened by 43 read => feed constraints.
[2023-03-11 03:33:52] [INFO ] After 16ms SMT Verify possible using 43 Read/Feed constraints in real domain returned unsat :0 sat :0 real:2
[2023-03-11 03:33:52] [INFO ] After 110ms SMT Verify possible using all constraints in real domain returned unsat :0 sat :0 real:2
[2023-03-11 03:33:52] [INFO ] [Nat]Absence check using 1 positive place invariants in 1 ms returned sat
[2023-03-11 03:33:52] [INFO ] [Nat]Absence check using 1 positive and 1 generalized place invariants in 1 ms returned sat
[2023-03-11 03:33:52] [INFO ] After 58ms SMT Verify possible using state equation in natural domain returned unsat :0 sat :2
[2023-03-11 03:33:52] [INFO ] After 21ms SMT Verify possible using 43 Read/Feed constraints in natural domain returned unsat :0 sat :2
[2023-03-11 03:33:52] [INFO ] After 47ms SMT Verify possible using trap constraints in natural domain returned unsat :0 sat :2
Attempting to minimize the solution found.
Minimization took 19 ms.
[2023-03-11 03:33:52] [INFO ] After 172ms SMT Verify possible using all constraints in natural domain returned unsat :0 sat :2
Parikh walk visited 0 properties in 11 ms.
Support contains 5 out of 112 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 112/112 places, 266/266 transitions.
Applied a total of 0 rules in 7 ms. Remains 112 /112 variables (removed 0) and now considering 266/266 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 7 ms. Remains : 112/112 places, 266/266 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 112/112 places, 266/266 transitions.
Applied a total of 0 rules in 10 ms. Remains 112 /112 variables (removed 0) and now considering 266/266 (removed 0) transitions.
[2023-03-11 03:33:52] [INFO ] Flow matrix only has 182 transitions (discarded 84 similar events)
[2023-03-11 03:33:52] [INFO ] Invariant cache hit.
[2023-03-11 03:33:52] [INFO ] Implicit Places using invariants in 72 ms returned []
[2023-03-11 03:33:52] [INFO ] Flow matrix only has 182 transitions (discarded 84 similar events)
[2023-03-11 03:33:52] [INFO ] Invariant cache hit.
[2023-03-11 03:33:52] [INFO ] State equation strengthened by 43 read => feed constraints.
[2023-03-11 03:33:52] [INFO ] Implicit Places using invariants and state equation in 127 ms returned []
Implicit Place search using SMT with State Equation took 200 ms to find 0 implicit places.
[2023-03-11 03:33:52] [INFO ] Redundant transitions in 20 ms returned []
[2023-03-11 03:33:52] [INFO ] Flow matrix only has 182 transitions (discarded 84 similar events)
[2023-03-11 03:33:52] [INFO ] Invariant cache hit.
[2023-03-11 03:33:52] [INFO ] Dead Transitions using invariants and state equation in 99 ms found 0 transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 337 ms. Remains : 112/112 places, 266/266 transitions.
Graph (trivial) has 153 edges and 112 vertex of which 24 / 112 are part of one of the 8 SCC in 2 ms
Free SCC test removed 16 places
Drop transitions removed 40 transitions
Ensure Unique test removed 68 transitions
Reduce isomorphic transitions removed 108 transitions.
Drop transitions removed 7 transitions
Trivial Post-agglo rules discarded 7 transitions
Performed 7 trivial Post agglomeration. Transition count delta: 7
Iterating post reduction 0 with 7 rules applied. Total rules applied 8 place count 96 transition count 151
Reduce places removed 7 places and 0 transitions.
Iterating post reduction 1 with 7 rules applied. Total rules applied 15 place count 89 transition count 151
Performed 18 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 2 with 18 Pre rules applied. Total rules applied 15 place count 89 transition count 133
Deduced a syphon composed of 18 places in 1 ms
Reduce places removed 18 places and 0 transitions.
Iterating global reduction 2 with 36 rules applied. Total rules applied 51 place count 71 transition count 133
Discarding 7 places :
Symmetric choice reduction at 2 with 7 rule applications. Total rules 58 place count 64 transition count 126
Iterating global reduction 2 with 7 rules applied. Total rules applied 65 place count 64 transition count 126
Ensure Unique test removed 14 transitions
Reduce isomorphic transitions removed 14 transitions.
Iterating post reduction 2 with 14 rules applied. Total rules applied 79 place count 64 transition count 112
Performed 15 Post agglomeration using F-continuation condition.Transition count delta: 15
Deduced a syphon composed of 15 places in 0 ms
Reduce places removed 15 places and 0 transitions.
Iterating global reduction 3 with 30 rules applied. Total rules applied 109 place count 49 transition count 97
Discarding 7 places :
Symmetric choice reduction at 3 with 7 rule applications. Total rules 116 place count 42 transition count 83
Iterating global reduction 3 with 7 rules applied. Total rules applied 123 place count 42 transition count 83
Discarding 7 places :
Symmetric choice reduction at 3 with 7 rule applications. Total rules 130 place count 35 transition count 69
Iterating global reduction 3 with 7 rules applied. Total rules applied 137 place count 35 transition count 69
Discarding 7 places :
Symmetric choice reduction at 3 with 7 rule applications. Total rules 144 place count 28 transition count 55
Iterating global reduction 3 with 7 rules applied. Total rules applied 151 place count 28 transition count 55
Ensure Unique test removed 6 transitions
Reduce isomorphic transitions removed 6 transitions.
Iterating post reduction 3 with 6 rules applied. Total rules applied 157 place count 28 transition count 49
Performed 2 Post agglomeration using F-continuation condition.Transition count delta: -1
Deduced a syphon composed of 2 places in 0 ms
Reduce places removed 2 places and 0 transitions.
Iterating global reduction 4 with 4 rules applied. Total rules applied 161 place count 26 transition count 50
Drop transitions removed 1 transitions
Redundant transition composition rules discarded 1 transitions
Iterating global reduction 4 with 1 rules applied. Total rules applied 162 place count 26 transition count 49
Partial Free-agglomeration rule applied 1 times.
Drop transitions removed 1 transitions
Iterating global reduction 4 with 1 rules applied. Total rules applied 163 place count 26 transition count 49
Applied a total of 163 rules in 19 ms. Remains 26 /112 variables (removed 86) and now considering 49/266 (removed 217) transitions.
Running SMT prover for 2 properties.
// Phase 1: matrix 49 rows 26 cols
[2023-03-11 03:33:52] [INFO ] Computed 2 place invariants in 1 ms
[2023-03-11 03:33:52] [INFO ] [Real]Absence check using 1 positive place invariants in 1 ms returned sat
[2023-03-11 03:33:52] [INFO ] [Real]Absence check using 1 positive and 1 generalized place invariants in 0 ms returned sat
[2023-03-11 03:33:52] [INFO ] After 30ms SMT Verify possible using all constraints in real domain returned unsat :0 sat :0 real:2
[2023-03-11 03:33:52] [INFO ] [Nat]Absence check using 1 positive place invariants in 0 ms returned sat
[2023-03-11 03:33:52] [INFO ] [Nat]Absence check using 1 positive and 1 generalized place invariants in 0 ms returned sat
[2023-03-11 03:33:52] [INFO ] After 13ms SMT Verify possible using state equation in natural domain returned unsat :0 sat :2
[2023-03-11 03:33:52] [INFO ] State equation strengthened by 2 read => feed constraints.
[2023-03-11 03:33:52] [INFO ] After 5ms SMT Verify possible using 2 Read/Feed constraints in natural domain returned unsat :0 sat :2
[2023-03-11 03:33:52] [INFO ] After 12ms SMT Verify possible using trap constraints in natural domain returned unsat :0 sat :2
Attempting to minimize the solution found.
Minimization took 6 ms.
[2023-03-11 03:33:52] [INFO ] After 55ms SMT Verify possible using all constraints in natural domain returned unsat :0 sat :2
[2023-03-11 03:33:52] [INFO ] Export to MCC of 2 properties in file /home/mcc/execution/ReachabilityFireability.sr.xml took 2 ms.
[2023-03-11 03:33:52] [INFO ] Export to PNML in file /home/mcc/execution/model.sr.pnml of net with 112 places, 266 transitions and 1078 arcs took 3 ms.
[2023-03-11 03:33:52] [INFO ] Flatten gal took : 47 ms
Total runtime 7759 ms.
There are residual formulas that ITS could not solve within timeout
starting LoLA
BK_INPUT FunctionPointer-PT-b032
BK_EXAMINATION: ReachabilityFireability
bin directory: /home/mcc/BenchKit/bin//../reducer/bin//../../lola/bin/
current directory: /home/mcc/execution/375
ReachabilityFireability

FORMULA FunctionPointer-PT-b032-ReachabilityFireability-05 TRUE TECHNIQUES COLLATERAL_PROCESSING EXPLICIT TOPOLOGICAL STATE_COMPRESSION STUBBORN_SETS USE_NUPN UNFOLDING_TO_PT

FORMULA FunctionPointer-PT-b032-ReachabilityFireability-12 TRUE TECHNIQUES COLLATERAL_PROCESSING EXPLICIT TOPOLOGICAL STATE_COMPRESSION STUBBORN_SETS USE_NUPN UNFOLDING_TO_PT

BK_STOP 1678505639769

--------------------
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 ReachabilityFireability -timeout 360 -rebuildPNML
lola: MEM LIMIT 32
lola: MEM LIMIT 5
lola: NET
lola: input: PNML file (--pnmlnet)
lola: reading net from /home/mcc/execution/375/model.pnml
lola: reading pnml
lola: PNML file contains place/transition net
lola: finished parsing
lola: closed net file /home/mcc/execution/375/model.pnml
lola: Reading formula.
lola: Using XML format (--xmlformula)
lola: reading XML formula
lola: reading formula from /home/mcc/execution/375/ReachabilityFireability.xml
lola: Created skeleton in 0.000000 secs.
lola: Rule S: 0 transitions removed,0 places removed
lola: Created skeleton in 0.000000 secs.
lola: rewrite Frontend/Parser/formula_rewrite.k:711
lola: rewrite Frontend/Parser/formula_rewrite.k:711
lola: rewrite Frontend/Parser/formula_rewrite.k:711
lola: rewrite Frontend/Parser/formula_rewrite.k:711
lola: LAUNCH task # 10 (type EXCL) for 0 FunctionPointer-PT-b032-ReachabilityFireability-05
lola: time limit : 1800 sec
lola: memory limit: 32 pages
lola: LAUNCH task # 6 (type FNDP) for 0 FunctionPointer-PT-b032-ReachabilityFireability-05
lola: time limit : 32000000 sec
lola: memory limit: 5 pages
lola: LAUNCH task # 7 (type EQUN) for 0 FunctionPointer-PT-b032-ReachabilityFireability-05
lola: time limit : 32000000 sec
lola: memory limit: 5 pages
lola: rewrite Frontend/Parser/formula_rewrite.k:711
lola: LAUNCH task # 9 (type SRCH) for 0 FunctionPointer-PT-b032-ReachabilityFireability-05
lola: time limit : 32000000 sec
lola: memory limit: 5 pages
lola: rewrite Frontend/Parser/formula_rewrite.k:711
lola: rewrite Frontend/Parser/formula_rewrite.k:711
lola: rewrite Frontend/Parser/formula_rewrite.k:711
lola: rewrite Frontend/Parser/formula_rewrite.k:711
sara: try reading problem file /home/mcc/execution/375/ReachabilityFireability-7.sara.
sara: place or transition ordering is non-deterministic
lola: FINISHED task # 6 (type FNDP) for FunctionPointer-PT-b032-ReachabilityFireability-05
lola: result : true
lola: fired transitions : 240031
lola: tried executions : 5
lola: time used : 1.000000
lola: memory pages used : 0
lola: CANCELED task # 7 (type EQUN) for FunctionPointer-PT-b032-ReachabilityFireability-05 (obsolete)
lola: CANCELED task # 9 (type SRCH) for FunctionPointer-PT-b032-ReachabilityFireability-05 (obsolete)
lola: CANCELED task # 10 (type EXCL) for FunctionPointer-PT-b032-ReachabilityFireability-05 (obsolete)
lola: LAUNCH task # 16 (type EXCL) for 3 FunctionPointer-PT-b032-ReachabilityFireability-12
lola: time limit : 3599 sec
lola: memory limit: 32 pages
lola: LAUNCH task # 12 (type FNDP) for 3 FunctionPointer-PT-b032-ReachabilityFireability-12
lola: time limit : 32000000 sec
lola: memory limit: 5 pages
lola: LAUNCH task # 13 (type EQUN) for 3 FunctionPointer-PT-b032-ReachabilityFireability-12
lola: time limit : 32000000 sec
lola: memory limit: 5 pages
lola: LAUNCH task # 15 (type SRCH) for 3 FunctionPointer-PT-b032-ReachabilityFireability-12
lola: time limit : 32000000 sec
lola: memory limit: 5 pages
lola: FINISHED task # 7 (type EQUN) for FunctionPointer-PT-b032-ReachabilityFireability-05
lola: result : unknown
lola: rewrite Frontend/Parser/formula_rewrite.k:711
sara: try reading problem file /home/mcc/execution/375/ReachabilityFireability-13.sara.
sara: place or transition ordering is non-deterministic
sara: warning, failure of lp_solve (at job 1761)
FINISHED FORMULA: CATEGORY VALUE PRODUCED BY
FunctionPointer-PT-b032-ReachabilityFireability-05: EF true findpath

PENDING FORMULAS: CATEGORY IDL ACT RUN SUS FIN C/T C/M OBS
FunctionPointer-PT-b032-ReachabilityFireability-12: EF 0 1 4 0 1 0 0 0

TASK CATEGORY TYPE TIME/TLIMIT MEM PG/PGLIMIT FORMULA STATUS
12 EF FNDP 4/1799 0/5 FunctionPointer-PT-b032-ReachabilityFireability-12 822501 t fired, 1 attempts, .
13 EF STEQ 4/3599 0/5 FunctionPointer-PT-b032-ReachabilityFireability-12 sara is running.
15 EF SRCH 4/3599 2/5 FunctionPointer-PT-b032-ReachabilityFireability-12 582940 m, 116588 m/sec, 900157 t fired, .
16 EF EXCL 4/3599 4/32 FunctionPointer-PT-b032-ReachabilityFireability-12 636066 m, 127213 m/sec, 811525 t fired, .

Time elapsed: 5 secs. Pages in use: 6
# running tasks: 4 of 4 Visible: 2
lola: FINISHED task # 12 (type FNDP) for FunctionPointer-PT-b032-ReachabilityFireability-12
lola: result : true
lola: fired transitions : 1001490
lola: tried executions : 2
lola: time used : 5.000000
lola: memory pages used : 0
lola: CANCELED task # 13 (type EQUN) for FunctionPointer-PT-b032-ReachabilityFireability-12 (obsolete)
lola: CANCELED task # 15 (type SRCH) for FunctionPointer-PT-b032-ReachabilityFireability-12 (obsolete)
lola: CANCELED task # 16 (type EXCL) for FunctionPointer-PT-b032-ReachabilityFireability-12 (obsolete)
lola: Portfolio finished: no open formulas

FINAL RESULTS
FINISHED FORMULA: CATEGORY VALUE PRODUCED BY
FunctionPointer-PT-b032-ReachabilityFireability-05: EF true findpath
FunctionPointer-PT-b032-ReachabilityFireability-12: EF true findpath


Time elapsed: 6 secs. Pages in use: 7

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="FunctionPointer-PT-b032"
export BK_EXAMINATION="ReachabilityFireability"
export BK_TOOL="lolaxred"
export BK_RESULT_DIR="/tmp/BK_RESULTS/OUTPUTS"
export BK_TIME_CONFINEMENT="3600"
export BK_MEMORY_CONFINEMENT="16384"
export BK_BIN_PATH="/home/mcc/BenchKit/bin/"

# this is specific to your benchmark or test

export BIN_DIR="$HOME/BenchKit/bin"

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

# this is for BenchKit: explicit launching of the test
echo "====================================================================="
echo " Generated by BenchKit 2-5348"
echo " Executing tool lolaxred"
echo " Input is FunctionPointer-PT-b032, 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 r167-tall-167838853500695"
echo "====================================================================="
echo
echo "--------------------"
echo "preparation of the directory to be used:"

tar xzf /home/mcc/BenchKit/INPUTS/FunctionPointer-PT-b032.tgz
mv FunctionPointer-PT-b032 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 '' ReachabilityFireability.xml | cut -d '>' -f 2 | cut -d '<' -f 1 | sort -u) ; do
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 ;