About the Execution of ITS-Tools for RingSingleMessageInMbox-PT-d1m080
| Execution Summary | |||||
| Max Memory Used (MB) |
Time wait (ms) | CPU Usage (ms) | I/O Wait (ms) | Computed Result | Execution Status |
| 449.752 | 47457.00 | 69966.00 | 1513.40 | FFTTFFTTTTTFFTTT | normal |
Execution Chart
We display below the execution chart for this examination (boot time has been removed).
Trace from the execution
Formatting '/data/fkordon/mcc2022-input.r312-tall-165472282700779.qcow2', fmt=qcow2 size=4294967296 backing_file=/data/fkordon/mcc2022-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 2-4028
Executing tool itstools
Input is RingSingleMessageInMbox-PT-d1m080, examination is LTLCardinality
Time confinement is 3600 seconds
Memory confinement is 16384 MBytes
Number of cores is 4
Run identifier is r312-tall-165472282700779
=====================================================================
--------------------
preparation of the directory to be used:
/home/mcc/execution
total 6.2M
-rw-r--r-- 1 mcc users 7.0K Jun 7 17:52 CTLCardinality.txt
-rw-r--r-- 1 mcc users 71K Jun 7 17:52 CTLCardinality.xml
-rw-r--r-- 1 mcc users 5.6K Jun 7 17:51 CTLFireability.txt
-rw-r--r-- 1 mcc users 47K Jun 7 17:51 CTLFireability.xml
-rw-r--r-- 1 mcc users 4.0K Jun 6 15:30 LTLCardinality.txt
-rw-r--r-- 1 mcc users 26K Jun 6 15:30 LTLCardinality.xml
-rw-r--r-- 1 mcc users 2.5K Jun 6 15:30 LTLFireability.txt
-rw-r--r-- 1 mcc users 19K Jun 6 15:30 LTLFireability.xml
-rw-r--r-- 1 mcc users 1 Jun 6 12:11 NewModel
-rw-r--r-- 1 mcc users 7.3K Jun 7 17:57 ReachabilityCardinality.txt
-rw-r--r-- 1 mcc users 64K Jun 7 17:57 ReachabilityCardinality.xml
-rw-r--r-- 1 mcc users 6.9K Jun 7 17:55 ReachabilityFireability.txt
-rw-r--r-- 1 mcc users 52K Jun 7 17:55 ReachabilityFireability.xml
-rw-r--r-- 1 mcc users 1.9K Jun 6 15:30 UpperBounds.txt
-rw-r--r-- 1 mcc users 3.9K Jun 6 15:30 UpperBounds.xml
-rw-r--r-- 1 mcc users 6 Jun 6 12:11 equiv_col
-rw-r--r-- 1 mcc users 7 Jun 6 12:11 instance
-rw-r--r-- 1 mcc users 6 Jun 6 12:11 iscolored
-rw-r--r-- 1 mcc users 5.8M Jun 6 12:11 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 RingSingleMessageInMbox-PT-d1m080-LTLCardinality-00
FORMULA_NAME RingSingleMessageInMbox-PT-d1m080-LTLCardinality-01
FORMULA_NAME RingSingleMessageInMbox-PT-d1m080-LTLCardinality-02
FORMULA_NAME RingSingleMessageInMbox-PT-d1m080-LTLCardinality-03
FORMULA_NAME RingSingleMessageInMbox-PT-d1m080-LTLCardinality-04
FORMULA_NAME RingSingleMessageInMbox-PT-d1m080-LTLCardinality-05
FORMULA_NAME RingSingleMessageInMbox-PT-d1m080-LTLCardinality-06
FORMULA_NAME RingSingleMessageInMbox-PT-d1m080-LTLCardinality-07
FORMULA_NAME RingSingleMessageInMbox-PT-d1m080-LTLCardinality-08
FORMULA_NAME RingSingleMessageInMbox-PT-d1m080-LTLCardinality-09
FORMULA_NAME RingSingleMessageInMbox-PT-d1m080-LTLCardinality-10
FORMULA_NAME RingSingleMessageInMbox-PT-d1m080-LTLCardinality-11
FORMULA_NAME RingSingleMessageInMbox-PT-d1m080-LTLCardinality-12
FORMULA_NAME RingSingleMessageInMbox-PT-d1m080-LTLCardinality-13
FORMULA_NAME RingSingleMessageInMbox-PT-d1m080-LTLCardinality-14
FORMULA_NAME RingSingleMessageInMbox-PT-d1m080-LTLCardinality-15
=== Now, execution of the tool begins
BK_START 1654933918620
Running Version 202205111006
[2022-06-11 07:51:59] [INFO ] Running its-tools with arguments : [-pnfolder, /home/mcc/execution, -examination, LTLCardinality, -spotpath, /home/mcc/BenchKit/bin//..//ltlfilt, -z3path, /home/mcc/BenchKit/bin//..//z3/bin/z3, -yices2path, /home/mcc/BenchKit/bin//..//yices/bin/yices, -its, -ltsmin, -greatspnpath, /home/mcc/BenchKit/bin//..//greatspn/, -order, META, -manyOrder, -smt, -timeout, 3600]
[2022-06-11 07:51:59] [INFO ] Parsing pnml file : /home/mcc/execution/model.pnml
[2022-06-11 07:52:00] [INFO ] Load time of PNML (sax parser for PT used): 547 ms
[2022-06-11 07:52:00] [INFO ] Transformed 6690 places.
[2022-06-11 07:52:00] [INFO ] Transformed 11934 transitions.
[2022-06-11 07:52:00] [INFO ] Parsed PT model containing 6690 places and 11934 transitions in 705 ms.
Parsed 16 properties from file /home/mcc/execution/LTLCardinality.xml in 14 ms.
Working with output stream class java.io.PrintStream
Initial state reduction rules removed 2 formulas.
Deduced a syphon composed of 4305 places in 31 ms
Reduce places removed 4305 places and 0 transitions.
FORMULA RingSingleMessageInMbox-PT-d1m080-LTLCardinality-01 FALSE TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA RingSingleMessageInMbox-PT-d1m080-LTLCardinality-02 TRUE TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA RingSingleMessageInMbox-PT-d1m080-LTLCardinality-04 FALSE TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA RingSingleMessageInMbox-PT-d1m080-LTLCardinality-05 FALSE TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA RingSingleMessageInMbox-PT-d1m080-LTLCardinality-06 TRUE TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA RingSingleMessageInMbox-PT-d1m080-LTLCardinality-13 TRUE TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA RingSingleMessageInMbox-PT-d1m080-LTLCardinality-14 TRUE TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA RingSingleMessageInMbox-PT-d1m080-LTLCardinality-15 TRUE TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA RingSingleMessageInMbox-PT-d1m080-LTLCardinality-03 TRUE TECHNIQUES TOPOLOGICAL INITIAL_STATE
Support contains 7 out of 2385 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 2385/2385 places, 11934/11934 transitions.
Reduce places removed 17 places and 0 transitions.
Ensure Unique test removed 102 transitions
Reduce isomorphic transitions removed 102 transitions.
Iterating post reduction 0 with 119 rules applied. Total rules applied 119 place count 2368 transition count 11832
Discarding 1103 places :
Symmetric choice reduction at 1 with 1103 rule applications. Total rules 1222 place count 1265 transition count 2697
Iterating global reduction 1 with 1103 rules applied. Total rules applied 2325 place count 1265 transition count 2697
Ensure Unique test removed 84 transitions
Reduce isomorphic transitions removed 84 transitions.
Iterating post reduction 1 with 84 rules applied. Total rules applied 2409 place count 1265 transition count 2613
Discarding 937 places :
Symmetric choice reduction at 2 with 937 rule applications. Total rules 3346 place count 328 transition count 1676
Iterating global reduction 2 with 937 rules applied. Total rules applied 4283 place count 328 transition count 1676
Ensure Unique test removed 1114 transitions
Reduce isomorphic transitions removed 1114 transitions.
Iterating post reduction 2 with 1114 rules applied. Total rules applied 5397 place count 328 transition count 562
Discarding 126 places :
Symmetric choice reduction at 3 with 126 rule applications. Total rules 5523 place count 202 transition count 436
Iterating global reduction 3 with 126 rules applied. Total rules applied 5649 place count 202 transition count 436
Ensure Unique test removed 114 transitions
Reduce isomorphic transitions removed 114 transitions.
Iterating post reduction 3 with 114 rules applied. Total rules applied 5763 place count 202 transition count 322
Discarding 7 places :
Symmetric choice reduction at 4 with 7 rule applications. Total rules 5770 place count 195 transition count 315
Iterating global reduction 4 with 7 rules applied. Total rules applied 5777 place count 195 transition count 315
Applied a total of 5777 rules in 576 ms. Remains 195 /2385 variables (removed 2190) and now considering 315/11934 (removed 11619) transitions.
// Phase 1: matrix 315 rows 195 cols
[2022-06-11 07:52:01] [INFO ] Computed 3 place invariants in 24 ms
[2022-06-11 07:52:01] [INFO ] Implicit Places using invariants in 292 ms returned []
// Phase 1: matrix 315 rows 195 cols
[2022-06-11 07:52:01] [INFO ] Computed 3 place invariants in 5 ms
[2022-06-11 07:52:01] [INFO ] State equation strengthened by 133 read => feed constraints.
[2022-06-11 07:52:02] [INFO ] Implicit Places using invariants and state equation in 653 ms returned []
Implicit Place search using SMT with State Equation took 986 ms to find 0 implicit places.
// Phase 1: matrix 315 rows 195 cols
[2022-06-11 07:52:02] [INFO ] Computed 3 place invariants in 8 ms
[2022-06-11 07:52:02] [INFO ] Dead Transitions using invariants and state equation in 135 ms found 0 transitions.
Starting structural reductions in LTL mode, iteration 1 : 195/2385 places, 315/11934 transitions.
Finished structural reductions, in 1 iterations. Remains : 195/2385 places, 315/11934 transitions.
Support contains 7 out of 195 places after structural reductions.
[2022-06-11 07:52:03] [INFO ] Initial state reduction rules for LTL removed 2 formulas.
[2022-06-11 07:52:03] [INFO ] Flatten gal took : 746 ms
[2022-06-11 07:52:03] [INFO ] Initial state reduction rules for LTL removed 1 formulas.
FORMULA RingSingleMessageInMbox-PT-d1m080-LTLCardinality-12 FALSE TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA RingSingleMessageInMbox-PT-d1m080-LTLCardinality-09 TRUE TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA RingSingleMessageInMbox-PT-d1m080-LTLCardinality-08 TRUE TECHNIQUES TOPOLOGICAL INITIAL_STATE
[2022-06-11 07:52:03] [INFO ] Flatten gal took : 25 ms
[2022-06-11 07:52:03] [INFO ] Input system was already deterministic with 315 transitions.
Incomplete random walk after 10000 steps, including 1790 resets, run finished after 284 ms. (steps per millisecond=35 ) properties (out of 6) seen :4
Incomplete Best-First random walk after 10000 steps, including 435 resets, run finished after 41 ms. (steps per millisecond=243 ) properties (out of 2) seen :0
Incomplete Best-First random walk after 10000 steps, including 566 resets, run finished after 38 ms. (steps per millisecond=263 ) properties (out of 2) seen :0
Running SMT prover for 2 properties.
// Phase 1: matrix 315 rows 195 cols
[2022-06-11 07:52:03] [INFO ] Computed 3 place invariants in 6 ms
[2022-06-11 07:52:03] [INFO ] After 72ms SMT Verify possible using all constraints in real domain returned unsat :0 sat :0 real:2
[2022-06-11 07:52:03] [INFO ] [Nat]Absence check using 2 positive place invariants in 1 ms returned sat
[2022-06-11 07:52:03] [INFO ] [Nat]Absence check using 2 positive and 1 generalized place invariants in 1 ms returned sat
[2022-06-11 07:52:04] [INFO ] After 86ms SMT Verify possible using state equation in natural domain returned unsat :1 sat :1
[2022-06-11 07:52:04] [INFO ] State equation strengthened by 133 read => feed constraints.
[2022-06-11 07:52:04] [INFO ] After 43ms SMT Verify possible using 133 Read/Feed constraints in natural domain returned unsat :1 sat :1
[2022-06-11 07:52:04] [INFO ] After 70ms SMT Verify possible using trap constraints in natural domain returned unsat :1 sat :1
Attempting to minimize the solution found.
Minimization took 26 ms.
[2022-06-11 07:52:04] [INFO ] After 257ms SMT Verify possible using all constraints in natural domain returned unsat :1 sat :1
Fused 2 Parikh solutions to 1 different solutions.
Parikh walk visited 0 properties in 2 ms.
Support contains 2 out of 195 places. Attempting structural reductions.
Starting structural reductions in SAFETY mode, iteration 0 : 195/195 places, 315/315 transitions.
Graph (complete) has 677 edges and 195 vertex of which 194 are kept as prefixes of interest. Removing 1 places using SCC suffix rule.4 ms
Discarding 1 places :
Also discarding 0 output transitions
Drop transitions removed 9 transitions
Reduce isomorphic transitions removed 9 transitions.
Iterating post reduction 0 with 9 rules applied. Total rules applied 10 place count 194 transition count 306
Discarding 5 places :
Symmetric choice reduction at 1 with 5 rule applications. Total rules 15 place count 189 transition count 284
Iterating global reduction 1 with 5 rules applied. Total rules applied 20 place count 189 transition count 284
Ensure Unique test removed 2 transitions
Reduce isomorphic transitions removed 2 transitions.
Iterating post reduction 1 with 2 rules applied. Total rules applied 22 place count 189 transition count 282
Discarding 3 places :
Symmetric choice reduction at 2 with 3 rule applications. Total rules 25 place count 186 transition count 279
Iterating global reduction 2 with 3 rules applied. Total rules applied 28 place count 186 transition count 279
Ensure Unique test removed 2 transitions
Reduce isomorphic transitions removed 2 transitions.
Iterating post reduction 2 with 2 rules applied. Total rules applied 30 place count 186 transition count 277
Discarding 5 places :
Symmetric choice reduction at 3 with 5 rule applications. Total rules 35 place count 181 transition count 260
Iterating global reduction 3 with 5 rules applied. Total rules applied 40 place count 181 transition count 260
Ensure Unique test removed 4 transitions
Reduce isomorphic transitions removed 4 transitions.
Iterating post reduction 3 with 4 rules applied. Total rules applied 44 place count 181 transition count 256
Discarding 1 places :
Symmetric choice reduction at 4 with 1 rule applications. Total rules 45 place count 180 transition count 243
Iterating global reduction 4 with 1 rules applied. Total rules applied 46 place count 180 transition count 243
Discarding 1 places :
Symmetric choice reduction at 4 with 1 rule applications. Total rules 47 place count 179 transition count 242
Iterating global reduction 4 with 1 rules applied. Total rules applied 48 place count 179 transition count 242
Discarding 4 places :
Symmetric choice reduction at 4 with 4 rule applications. Total rules 52 place count 175 transition count 238
Iterating global reduction 4 with 4 rules applied. Total rules applied 56 place count 175 transition count 238
Ensure Unique test removed 8 transitions
Reduce isomorphic transitions removed 8 transitions.
Iterating post reduction 4 with 8 rules applied. Total rules applied 64 place count 175 transition count 230
Applied a total of 64 rules in 68 ms. Remains 175 /195 variables (removed 20) and now considering 230/315 (removed 85) transitions.
Finished structural reductions, in 1 iterations. Remains : 175/195 places, 230/315 transitions.
Incomplete random walk after 10000 steps, including 1906 resets, run finished after 33 ms. (steps per millisecond=303 ) properties (out of 1) seen :0
Incomplete Best-First random walk after 10000 steps, including 555 resets, run finished after 14 ms. (steps per millisecond=714 ) properties (out of 1) seen :0
Interrupted probabilistic random walk after 1767292 steps, run timeout after 3001 ms. (steps per millisecond=588 ) properties seen :{}
Probabilistic random walk after 1767292 steps, saw 779934 distinct states, run finished after 3002 ms. (steps per millisecond=588 ) properties seen :0
Running SMT prover for 1 properties.
// Phase 1: matrix 230 rows 175 cols
[2022-06-11 07:52:07] [INFO ] Computed 4 place invariants in 5 ms
[2022-06-11 07:52:07] [INFO ] After 50ms SMT Verify possible using all constraints in real domain returned unsat :0 sat :0 real:1
[2022-06-11 07:52:07] [INFO ] [Nat]Absence check using 0 positive and 4 generalized place invariants in 4 ms returned sat
[2022-06-11 07:52:07] [INFO ] After 63ms SMT Verify possible using state equation in natural domain returned unsat :0 sat :1
[2022-06-11 07:52:07] [INFO ] State equation strengthened by 64 read => feed constraints.
[2022-06-11 07:52:07] [INFO ] After 37ms SMT Verify possible using 64 Read/Feed constraints in natural domain returned unsat :0 sat :1
[2022-06-11 07:52:07] [INFO ] After 60ms SMT Verify possible using trap constraints in natural domain returned unsat :0 sat :1
Attempting to minimize the solution found.
Minimization took 15 ms.
[2022-06-11 07:52:07] [INFO ] After 186ms SMT Verify possible using all constraints in natural domain returned unsat :0 sat :1
Parikh walk visited 0 properties in 1 ms.
Support contains 2 out of 175 places. Attempting structural reductions.
Starting structural reductions in SAFETY mode, iteration 0 : 175/175 places, 230/230 transitions.
Applied a total of 0 rules in 17 ms. Remains 175 /175 variables (removed 0) and now considering 230/230 (removed 0) transitions.
Finished structural reductions, in 1 iterations. Remains : 175/175 places, 230/230 transitions.
Starting structural reductions in SAFETY mode, iteration 0 : 175/175 places, 230/230 transitions.
Applied a total of 0 rules in 11 ms. Remains 175 /175 variables (removed 0) and now considering 230/230 (removed 0) transitions.
// Phase 1: matrix 230 rows 175 cols
[2022-06-11 07:52:07] [INFO ] Computed 4 place invariants in 2 ms
[2022-06-11 07:52:07] [INFO ] Implicit Places using invariants in 106 ms returned []
// Phase 1: matrix 230 rows 175 cols
[2022-06-11 07:52:07] [INFO ] Computed 4 place invariants in 1 ms
[2022-06-11 07:52:07] [INFO ] State equation strengthened by 64 read => feed constraints.
[2022-06-11 07:52:08] [INFO ] Implicit Places using invariants and state equation in 388 ms returned []
Implicit Place search using SMT with State Equation took 499 ms to find 0 implicit places.
[2022-06-11 07:52:08] [INFO ] Redundant transitions in 10 ms returned []
// Phase 1: matrix 230 rows 175 cols
[2022-06-11 07:52:08] [INFO ] Computed 4 place invariants in 3 ms
[2022-06-11 07:52:08] [INFO ] Dead Transitions using invariants and state equation in 112 ms found 0 transitions.
Finished structural reductions, in 1 iterations. Remains : 175/175 places, 230/230 transitions.
Drop transitions removed 3 transitions
Reduce isomorphic transitions removed 3 transitions.
Drop transitions removed 4 transitions
Trivial Post-agglo rules discarded 4 transitions
Performed 4 trivial Post agglomeration. Transition count delta: 4
Iterating post reduction 0 with 7 rules applied. Total rules applied 7 place count 175 transition count 223
Reduce places removed 4 places and 0 transitions.
Iterating post reduction 1 with 4 rules applied. Total rules applied 11 place count 171 transition count 223
Performed 33 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 2 with 33 Pre rules applied. Total rules applied 11 place count 171 transition count 190
Deduced a syphon composed of 33 places in 0 ms
Reduce places removed 33 places and 0 transitions.
Iterating global reduction 2 with 66 rules applied. Total rules applied 77 place count 138 transition count 190
Performed 7 Post agglomeration using F-continuation condition.Transition count delta: 7
Deduced a syphon composed of 7 places in 0 ms
Reduce places removed 7 places and 0 transitions.
Iterating global reduction 2 with 14 rules applied. Total rules applied 91 place count 131 transition count 183
Performed 1 Post agglomeration using F-continuation condition.Transition count delta: -13
Deduced a syphon composed of 1 places in 0 ms
Reduce places removed 1 places and 0 transitions.
Iterating global reduction 2 with 2 rules applied. Total rules applied 93 place count 130 transition count 196
Applied a total of 93 rules in 24 ms. Remains 130 /175 variables (removed 45) and now considering 196/230 (removed 34) transitions.
Running SMT prover for 1 properties.
// Phase 1: matrix 196 rows 130 cols
[2022-06-11 07:52:08] [INFO ] Computed 6 place invariants in 7 ms
[2022-06-11 07:52:08] [INFO ] After 27ms SMT Verify possible using all constraints in real domain returned unsat :0 sat :0 real:1
[2022-06-11 07:52:08] [INFO ] [Nat]Absence check using 2 positive place invariants in 1 ms returned sat
[2022-06-11 07:52:08] [INFO ] [Nat]Absence check using 2 positive and 4 generalized place invariants in 3 ms returned sat
[2022-06-11 07:52:08] [INFO ] After 53ms SMT Verify possible using state equation in natural domain returned unsat :0 sat :1
[2022-06-11 07:52:08] [INFO ] After 64ms SMT Verify possible using trap constraints in natural domain returned unsat :0 sat :1
Attempting to minimize the solution found.
Minimization took 7 ms.
[2022-06-11 07:52:08] [INFO ] After 113ms SMT Verify possible using all constraints in natural domain returned unsat :0 sat :1
[2022-06-11 07:52:08] [INFO ] Flatten gal took : 15 ms
[2022-06-11 07:52:08] [INFO ] Flatten gal took : 13 ms
[2022-06-11 07:52:08] [INFO ] Time to serialize gal into /tmp/ReachabilityCardinality2433871815581655560.gal : 6 ms
[2022-06-11 07:52:08] [INFO ] Time to serialize properties into /tmp/ReachabilityCardinality16449468431641500179.prop : 1 ms
Invoking ITS tools like this :cd /tmp/redAtoms510330477566801047;'/home/mcc/BenchKit/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202205111006/bin/its-reach-linux64' '--gc-threshold' '2000000' '--quiet' '-i' '/tmp/ReachabilityCardinality2433871815581655560.gal' '-t' 'CGAL' '-reachable-file' '/tmp/ReachabilityCardinality16449468431641500179.prop' '--nowitness' '--gen-order' 'FOLLOW'
its-reach command run as :
/home/mcc/BenchKit/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202205111006/bin/its-reach-linux64 --gc-threshold 2000000 --quiet -i /tmp...320
Loading property file /tmp/ReachabilityCardinality16449468431641500179.prop.
SDD proceeding with computation,1 properties remain. new max is 4
SDD size :1 after 34
SDD proceeding with computation,1 properties remain. new max is 8
SDD size :34 after 83
SDD proceeding with computation,1 properties remain. new max is 16
SDD size :83 after 153
SDD proceeding with computation,1 properties remain. new max is 32
SDD size :153 after 301
SDD proceeding with computation,1 properties remain. new max is 64
SDD size :301 after 613
SDD proceeding with computation,1 properties remain. new max is 128
SDD size :613 after 1143
SDD proceeding with computation,1 properties remain. new max is 256
SDD size :1143 after 2215
SDD proceeding with computation,1 properties remain. new max is 512
SDD size :2215 after 4375
SDD proceeding with computation,1 properties remain. new max is 1024
SDD size :4375 after 209280
SDD proceeding with computation,1 properties remain. new max is 2048
SDD size :209280 after 4.94401e+06
Detected timeout of ITS tools.
[2022-06-11 07:52:23] [INFO ] Flatten gal took : 14 ms
[2022-06-11 07:52:23] [INFO ] Applying decomposition
[2022-06-11 07:52:23] [INFO ] Flatten gal took : 13 ms
Converted graph to binary with : '/home/mcc/BenchKit/itstools/plugins/fr.lip6.move.gal.louvain.binaries_1.0.0.202205111006/bin/convert-linux64' '-i' '/tmp/graph1695524747189822657.txt' '-o' '/tmp/graph1695524747189822657.bin' '-w' '/tmp/graph1695524747189822657.weights'
Built communities with : '/home/mcc/BenchKit/itstools/plugins/fr.lip6.move.gal.louvain.binaries_1.0.0.202205111006/bin/louvain-linux64' '/tmp/graph1695524747189822657.bin' '-l' '-1' '-v' '-w' '/tmp/graph1695524747189822657.weights' '-q' '0' '-e' '0.001'
[2022-06-11 07:52:23] [INFO ] Decomposing Gal with order
[2022-06-11 07:52:23] [INFO ] Rewriting arrays to variables to allow decomposition.
[2022-06-11 07:52:23] [INFO ] Removed a total of 8 redundant transitions.
[2022-06-11 07:52:23] [INFO ] Flatten gal took : 45 ms
[2022-06-11 07:52:23] [INFO ] Fuse similar labels procedure discarded/fused a total of 10 labels/synchronizations in 1 ms.
[2022-06-11 07:52:23] [INFO ] Time to serialize gal into /tmp/ReachabilityCardinality11077921651224429049.gal : 2 ms
[2022-06-11 07:52:23] [INFO ] Time to serialize properties into /tmp/ReachabilityCardinality268667637883525577.prop : 0 ms
Invoking ITS tools like this :cd /tmp/redAtoms510330477566801047;'/home/mcc/BenchKit/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202205111006/bin/its-reach-linux64' '--gc-threshold' '2000000' '--quiet' '-i' '/tmp/ReachabilityCardinality11077921651224429049.gal' '-t' 'CGAL' '-reachable-file' '/tmp/ReachabilityCardinality268667637883525577.prop' '--nowitness' '--gen-order' 'FOLLOW'
its-reach command run as :
/home/mcc/BenchKit/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202205111006/bin/its-reach-linux64 --gc-threshold 2000000 --quiet -i /tmp...319
Loading property file /tmp/ReachabilityCardinality268667637883525577.prop.
SDD proceeding with computation,1 properties remain. new max is 4
SDD size :1 after 34
SDD proceeding with computation,1 properties remain. new max is 8
SDD size :34 after 88
SDD proceeding with computation,1 properties remain. new max is 16
SDD size :88 after 161
SDD proceeding with computation,1 properties remain. new max is 32
SDD size :161 after 250
SDD proceeding with computation,1 properties remain. new max is 64
SDD size :250 after 441
SDD proceeding with computation,1 properties remain. new max is 128
SDD size :441 after 729
SDD proceeding with computation,1 properties remain. new max is 256
SDD size :729 after 1368
SDD proceeding with computation,1 properties remain. new max is 512
SDD size :1368 after 2593
SDD proceeding with computation,1 properties remain. new max is 1024
SDD size :2593 after 5056
SDD proceeding with computation,1 properties remain. new max is 2048
SDD size :5056 after 130045
Detected timeout of ITS tools.
Built C files in :
/tmp/ltsmin959092220398970556
[2022-06-11 07:52:38] [INFO ] Built C files in 58ms conformant to PINS (ltsmin variant)in folder :/tmp/ltsmin959092220398970556
Running compilation step : cd /tmp/ltsmin959092220398970556;'/home/mcc/BenchKit/itstools/plugins/fr.lip6.move.gal.ltsmin.binaries_1.0.0.202205111006/bin/limit_time.pl' '3' 'gcc' '-c' '-I/home/mcc/BenchKit/itstools/plugins/fr.lip6.move.gal.ltsmin.binaries_1.0.0.202205111006/bin/include/' '-I.' '-std=c99' '-fPIC' '-O0' 'model.c'
Compilation finished in 395 ms.
Running link step : cd /tmp/ltsmin959092220398970556;'gcc' '-shared' '-o' 'gal.so' 'model.o'
Link finished in 46 ms.
Running LTSmin : cd /tmp/ltsmin959092220398970556;'/home/mcc/BenchKit/itstools/plugins/fr.lip6.move.gal.ltsmin.binaries_1.0.0.202205111006/bin/pins2lts-mc-linux64' './gal.so' '--threads=8' '--when' '-i' 'AtomicPropp1==true'
LTSmin run took 2641 ms.
Found Violation
Successfully simplified 1 atomic propositions for a total of 4 simplifications.
Computed a total of 12 stabilizing places and 40 stable transitions
FORMULA RingSingleMessageInMbox-PT-d1m080-LTLCardinality-07 TRUE TECHNIQUES TOPOLOGICAL INITIAL_STATE
Running Spot : cd /home/mcc/execution;'/home/mcc/BenchKit/bin//..//ltl2tgba' '--check=stutter' '--hoaf=tv' '-f' '!(X(G(!(G(X(p0)) U p1))))'
Support contains 2 out of 195 places. Attempting structural reductions.
Property had overlarge support with respect to TGBA, discarding it for now.
Starting structural reductions in LTL mode, iteration 0 : 195/195 places, 315/315 transitions.
Discarding 4 places :
Symmetric choice reduction at 0 with 4 rule applications. Total rules 4 place count 191 transition count 294
Iterating global reduction 0 with 4 rules applied. Total rules applied 8 place count 191 transition count 294
Ensure Unique test removed 2 transitions
Reduce isomorphic transitions removed 2 transitions.
Iterating post reduction 0 with 2 rules applied. Total rules applied 10 place count 191 transition count 292
Discarding 2 places :
Symmetric choice reduction at 1 with 2 rule applications. Total rules 12 place count 189 transition count 290
Iterating global reduction 1 with 2 rules applied. Total rules applied 14 place count 189 transition count 290
Ensure Unique test removed 1 transitions
Reduce isomorphic transitions removed 1 transitions.
Iterating post reduction 1 with 1 rules applied. Total rules applied 15 place count 189 transition count 289
Discarding 4 places :
Symmetric choice reduction at 2 with 4 rule applications. Total rules 19 place count 185 transition count 285
Iterating global reduction 2 with 4 rules applied. Total rules applied 23 place count 185 transition count 285
Ensure Unique test removed 4 transitions
Reduce isomorphic transitions removed 4 transitions.
Iterating post reduction 2 with 4 rules applied. Total rules applied 27 place count 185 transition count 281
Discarding 1 places :
Symmetric choice reduction at 3 with 1 rule applications. Total rules 28 place count 184 transition count 268
Iterating global reduction 3 with 1 rules applied. Total rules applied 29 place count 184 transition count 268
Discarding 1 places :
Symmetric choice reduction at 3 with 1 rule applications. Total rules 30 place count 183 transition count 267
Iterating global reduction 3 with 1 rules applied. Total rules applied 31 place count 183 transition count 267
Discarding 4 places :
Symmetric choice reduction at 3 with 4 rule applications. Total rules 35 place count 179 transition count 263
Iterating global reduction 3 with 4 rules applied. Total rules applied 39 place count 179 transition count 263
Ensure Unique test removed 12 transitions
Reduce isomorphic transitions removed 12 transitions.
Iterating post reduction 3 with 12 rules applied. Total rules applied 51 place count 179 transition count 251
Applied a total of 51 rules in 14 ms. Remains 179 /195 variables (removed 16) and now considering 251/315 (removed 64) transitions.
// Phase 1: matrix 251 rows 179 cols
[2022-06-11 07:52:41] [INFO ] Computed 3 place invariants in 4 ms
[2022-06-11 07:52:41] [INFO ] Implicit Places using invariants in 102 ms returned []
// Phase 1: matrix 251 rows 179 cols
[2022-06-11 07:52:41] [INFO ] Computed 3 place invariants in 2 ms
[2022-06-11 07:52:42] [INFO ] State equation strengthened by 83 read => feed constraints.
[2022-06-11 07:52:42] [INFO ] Implicit Places using invariants and state equation in 413 ms returned []
Implicit Place search using SMT with State Equation took 518 ms to find 0 implicit places.
// Phase 1: matrix 251 rows 179 cols
[2022-06-11 07:52:42] [INFO ] Computed 3 place invariants in 2 ms
[2022-06-11 07:52:42] [INFO ] Dead Transitions using invariants and state equation in 114 ms found 0 transitions.
Starting structural reductions in LTL mode, iteration 1 : 179/195 places, 251/315 transitions.
Finished structural reductions, in 1 iterations. Remains : 179/195 places, 251/315 transitions.
Stuttering acceptance computed with spot in 903 ms :[true, p1, p1]
Running random walk in product with property : RingSingleMessageInMbox-PT-d1m080-LTLCardinality-00 automaton TGBA Formula[mat=[[{ cond=true, acceptance={0} source=0 dest: 0}], [{ cond=true, acceptance={} source=1 dest: 2}], [{ cond=p1, acceptance={} source=2 dest: 0}, { cond=(NOT p1), acceptance={} source=2 dest: 2}]], initial=1, aps=[p1:(LEQ s170 s11)], nbAcceptance=1, properties=[trans-labels, explicit-labels, trans-acc, complete, deterministic, no-univ-branch, unambiguous, semi-deterministic, stutter-sensitive, very-weak, weak, inherently-weak], stateDesc=[null, null, null][false, false, false]]
Entered a terminal (fully accepting) state of product in 1 steps with 0 reset in 2 ms.
FORMULA RingSingleMessageInMbox-PT-d1m080-LTLCardinality-00 FALSE TECHNIQUES STUTTER_TEST
Treatment of property RingSingleMessageInMbox-PT-d1m080-LTLCardinality-00 finished in 1606 ms.
Running Spot : cd /home/mcc/execution;'/home/mcc/BenchKit/bin//..//ltl2tgba' '--check=stutter' '--hoaf=tv' '-f' '!(X(X(p0)))'
Support contains 1 out of 195 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 195/195 places, 315/315 transitions.
Discarding 6 places :
Symmetric choice reduction at 0 with 6 rule applications. Total rules 6 place count 189 transition count 309
Iterating global reduction 0 with 6 rules applied. Total rules applied 12 place count 189 transition count 309
Ensure Unique test removed 2 transitions
Reduce isomorphic transitions removed 2 transitions.
Iterating post reduction 0 with 2 rules applied. Total rules applied 14 place count 189 transition count 307
Discarding 3 places :
Symmetric choice reduction at 1 with 3 rule applications. Total rules 17 place count 186 transition count 304
Iterating global reduction 1 with 3 rules applied. Total rules applied 20 place count 186 transition count 304
Ensure Unique test removed 4 transitions
Reduce isomorphic transitions removed 4 transitions.
Iterating post reduction 1 with 4 rules applied. Total rules applied 24 place count 186 transition count 300
Discarding 2 places :
Symmetric choice reduction at 2 with 2 rule applications. Total rules 26 place count 184 transition count 274
Iterating global reduction 2 with 2 rules applied. Total rules applied 28 place count 184 transition count 274
Discarding 1 places :
Symmetric choice reduction at 2 with 1 rule applications. Total rules 29 place count 183 transition count 273
Iterating global reduction 2 with 1 rules applied. Total rules applied 30 place count 183 transition count 273
Ensure Unique test removed 1 transitions
Reduce isomorphic transitions removed 1 transitions.
Iterating post reduction 2 with 1 rules applied. Total rules applied 31 place count 183 transition count 272
Applied a total of 31 rules in 18 ms. Remains 183 /195 variables (removed 12) and now considering 272/315 (removed 43) transitions.
// Phase 1: matrix 272 rows 183 cols
[2022-06-11 07:52:43] [INFO ] Computed 3 place invariants in 4 ms
[2022-06-11 07:52:43] [INFO ] Implicit Places using invariants in 96 ms returned []
// Phase 1: matrix 272 rows 183 cols
[2022-06-11 07:52:43] [INFO ] Computed 3 place invariants in 4 ms
[2022-06-11 07:52:43] [INFO ] State equation strengthened by 99 read => feed constraints.
[2022-06-11 07:52:44] [INFO ] Implicit Places using invariants and state equation in 475 ms returned []
Implicit Place search using SMT with State Equation took 573 ms to find 0 implicit places.
// Phase 1: matrix 272 rows 183 cols
[2022-06-11 07:52:44] [INFO ] Computed 3 place invariants in 7 ms
[2022-06-11 07:52:44] [INFO ] Dead Transitions using invariants and state equation in 116 ms found 0 transitions.
Starting structural reductions in LTL mode, iteration 1 : 183/195 places, 272/315 transitions.
Finished structural reductions, in 1 iterations. Remains : 183/195 places, 272/315 transitions.
Stuttering acceptance computed with spot in 120 ms :[(NOT p0), (NOT p0), true, (NOT p0)]
Running random walk in product with property : RingSingleMessageInMbox-PT-d1m080-LTLCardinality-10 automaton TGBA Formula[mat=[[{ cond=(NOT p0), acceptance={} source=0 dest: 2}], [{ cond=true, acceptance={} source=1 dest: 0}], [{ cond=true, acceptance={0} source=2 dest: 2}], [{ cond=true, acceptance={} source=3 dest: 1}]], initial=3, aps=[p0:(LEQ s151 0)], nbAcceptance=1, properties=[trans-labels, explicit-labels, trans-acc, deterministic, no-univ-branch, unambiguous, semi-deterministic, stutter-sensitive, terminal, very-weak, weak, inherently-weak], stateDesc=[null, null, null, null][false, false, false, false]]
Product exploration explored 100000 steps with 33333 reset in 449 ms.
Product exploration explored 100000 steps with 33333 reset in 303 ms.
Computed a total of 4 stabilizing places and 4 stable transitions
Computed a total of 4 stabilizing places and 4 stable transitions
Knowledge obtained : [p0, (X (X p0))]
False Knowledge obtained : []
Property proved to be true thanks to knowledge :(X (X p0))
Knowledge based reduction with 2 factoid took 61 ms. Reduced automaton from 4 states, 4 edges and 1 AP to 1 states, 0 edges and 0 AP.
FORMULA RingSingleMessageInMbox-PT-d1m080-LTLCardinality-10 TRUE TECHNIQUES KNOWLEDGE
Treatment of property RingSingleMessageInMbox-PT-d1m080-LTLCardinality-10 finished in 1668 ms.
Running Spot : cd /home/mcc/execution;'/home/mcc/BenchKit/bin//..//ltl2tgba' '--check=stutter' '--hoaf=tv' '-f' '!(X(F(X(G(p0)))))'
Support contains 1 out of 195 places. Attempting structural reductions.
Starting structural reductions in SI_LTL mode, iteration 0 : 195/195 places, 315/315 transitions.
Discarding 6 places :
Symmetric choice reduction at 0 with 6 rule applications. Total rules 6 place count 189 transition count 292
Iterating global reduction 0 with 6 rules applied. Total rules applied 12 place count 189 transition count 292
Ensure Unique test removed 1 transitions
Reduce isomorphic transitions removed 1 transitions.
Iterating post reduction 0 with 1 rules applied. Total rules applied 13 place count 189 transition count 291
Discarding 4 places :
Symmetric choice reduction at 1 with 4 rule applications. Total rules 17 place count 185 transition count 287
Iterating global reduction 1 with 4 rules applied. Total rules applied 21 place count 185 transition count 287
Ensure Unique test removed 3 transitions
Reduce isomorphic transitions removed 3 transitions.
Iterating post reduction 1 with 3 rules applied. Total rules applied 24 place count 185 transition count 284
Discarding 5 places :
Symmetric choice reduction at 2 with 5 rule applications. Total rules 29 place count 180 transition count 267
Iterating global reduction 2 with 5 rules applied. Total rules applied 34 place count 180 transition count 267
Ensure Unique test removed 4 transitions
Reduce isomorphic transitions removed 4 transitions.
Iterating post reduction 2 with 4 rules applied. Total rules applied 38 place count 180 transition count 263
Discarding 2 places :
Symmetric choice reduction at 3 with 2 rule applications. Total rules 40 place count 178 transition count 249
Iterating global reduction 3 with 2 rules applied. Total rules applied 42 place count 178 transition count 249
Ensure Unique test removed 1 transitions
Reduce isomorphic transitions removed 1 transitions.
Iterating post reduction 3 with 1 rules applied. Total rules applied 43 place count 178 transition count 248
Applied a total of 43 rules in 38 ms. Remains 178 /195 variables (removed 17) and now considering 248/315 (removed 67) transitions.
// Phase 1: matrix 248 rows 178 cols
[2022-06-11 07:52:45] [INFO ] Computed 3 place invariants in 2 ms
[2022-06-11 07:52:45] [INFO ] Implicit Places using invariants in 276 ms returned []
// Phase 1: matrix 248 rows 178 cols
[2022-06-11 07:52:45] [INFO ] Computed 3 place invariants in 2 ms
[2022-06-11 07:52:45] [INFO ] State equation strengthened by 79 read => feed constraints.
[2022-06-11 07:52:45] [INFO ] Implicit Places using invariants and state equation in 420 ms returned []
Implicit Place search using SMT with State Equation took 699 ms to find 0 implicit places.
[2022-06-11 07:52:45] [INFO ] Redundant transitions in 10 ms returned []
// Phase 1: matrix 248 rows 178 cols
[2022-06-11 07:52:45] [INFO ] Computed 3 place invariants in 6 ms
[2022-06-11 07:52:45] [INFO ] Dead Transitions using invariants and state equation in 111 ms found 0 transitions.
Starting structural reductions in SI_LTL mode, iteration 1 : 178/195 places, 248/315 transitions.
Finished structural reductions, in 1 iterations. Remains : 178/195 places, 248/315 transitions.
Stuttering acceptance computed with spot in 27 ms :[(NOT p0)]
Running random walk in product with property : RingSingleMessageInMbox-PT-d1m080-LTLCardinality-11 automaton TGBA Formula[mat=[[{ cond=p0, acceptance={} source=0 dest: 0}, { cond=(NOT p0), acceptance={0} source=0 dest: 0}]], initial=0, aps=[p0:(LEQ s96 0)], nbAcceptance=1, properties=[trans-labels, explicit-labels, trans-acc, complete, deterministic, no-univ-branch, unambiguous, semi-deterministic, stutter-invariant], stateDesc=[null][true]]
Stuttering criterion allowed to conclude after 3414 steps with 716 reset in 16 ms.
FORMULA RingSingleMessageInMbox-PT-d1m080-LTLCardinality-11 FALSE TECHNIQUES STUTTER_TEST
Treatment of property RingSingleMessageInMbox-PT-d1m080-LTLCardinality-11 finished in 919 ms.
All properties solved by simple procedures.
Total runtime 46247 ms.
BK_STOP 1654933966077
--------------------
content from stderr:
+ export LANG=C
+ LANG=C
+ export BINDIR=/home/mcc/BenchKit/bin//../
+ BINDIR=/home/mcc/BenchKit/bin//../
++ pwd
+ export MODEL=/home/mcc/execution
+ MODEL=/home/mcc/execution
+ [[ LTLCardinality = StateSpace ]]
+ /home/mcc/BenchKit/bin//..//runeclipse.sh /home/mcc/execution LTLCardinality -its -ltsmin -greatspnpath /home/mcc/BenchKit/bin//..//greatspn/ -order META -manyOrder -smt -timeout 3600
+ ulimit -s 65536
+ export PYTHONPATH=/usr/lib/python3.9/site-packages/
+ PYTHONPATH=/usr/lib/python3.9/site-packages/
+ export LD_LIBRARY_PATH=/usr/local/lib:
+ LD_LIBRARY_PATH=/usr/local/lib:
+ [[ -z '' ]]
+ export LTSMIN_MEM_SIZE=8589934592
+ LTSMIN_MEM_SIZE=8589934592
++ sed s/.jar//
++ perl -pe 's/.*\.//g'
++ ls /home/mcc/BenchKit/bin//..//itstools/plugins/fr.lip6.move.gal.application.pnmcc_1.0.0.202205111006.jar
+ VERSION=202205111006
+ echo 'Running Version 202205111006'
+ /home/mcc/BenchKit/bin//..//itstools/its-tools -data @none -pnfolder /home/mcc/execution -examination LTLCardinality -spotpath /home/mcc/BenchKit/bin//..//ltlfilt -z3path /home/mcc/BenchKit/bin//..//z3/bin/z3 -yices2path /home/mcc/BenchKit/bin//..//yices/bin/yices -its -ltsmin -greatspnpath /home/mcc/BenchKit/bin//..//greatspn/ -order META -manyOrder -smt -timeout 3600 -vmargs -Dosgi.locking=none -Declipse.stateSaveDelayInterval=-1 -Dosgi.configuration.area=@none -Xss128m -Xms40m -Xmx8192m
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="RingSingleMessageInMbox-PT-d1m080"
export BK_EXAMINATION="LTLCardinality"
export BK_TOOL="itstools"
export BK_RESULT_DIR="/tmp/BK_RESULTS/OUTPUTS"
export BK_TIME_CONFINEMENT="3600"
export BK_MEMORY_CONFINEMENT="16384"
export BK_BIN_PATH="/home/mcc/BenchKit/bin/"
# this is specific to your benchmark or test
export BIN_DIR="$HOME/BenchKit/bin"
# remove the execution directoty if it exists (to avoid increse of .vmdk images)
if [ -d execution ] ; then
rm -rf execution
fi
# this is for BenchKit: explicit launching of the test
echo "====================================================================="
echo " Generated by BenchKit 2-4028"
echo " Executing tool itstools"
echo " Input is RingSingleMessageInMbox-PT-d1m080, examination is LTLCardinality"
echo " Time confinement is $BK_TIME_CONFINEMENT seconds"
echo " Memory confinement is 16384 MBytes"
echo " Number of cores is 4"
echo " Run identifier is r312-tall-165472282700779"
echo "====================================================================="
echo
echo "--------------------"
echo "preparation of the directory to be used:"
tar xzf /home/mcc/BenchKit/INPUTS/RingSingleMessageInMbox-PT-d1m080.tgz
mv RingSingleMessageInMbox-PT-d1m080 execution
cd execution
if [ "LTLCardinality" = "ReachabilityDeadlock" ] || [ "LTLCardinality" = "UpperBounds" ] || [ "LTLCardinality" = "QuasiLiveness" ] || [ "LTLCardinality" = "StableMarking" ] || [ "LTLCardinality" = "Liveness" ] || [ "LTLCardinality" = "OneSafe" ] || [ "LTLCardinality" = "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 [ "LTLCardinality" = "UpperBounds" ] ; then
echo "The expected result is a vector of positive values"
echo NUM_VECTOR
elif [ "LTLCardinality" != "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 "LTLCardinality.txt" ] ; then
echo "here is the order used to build the result vector(from text file)"
for x in $(grep Property LTLCardinality.txt | cut -d ' ' -f 2 | sort -u) ; do
echo "FORMULA_NAME $x"
done
elif [ -f "LTLCardinality.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 [ "LTLCardinality" = "ReachabilityDeadlock" ] || [ "LTLCardinality" = "QuasiLiveness" ] || [ "LTLCardinality" = "StableMarking" ] || [ "LTLCardinality" = "Liveness" ] || [ "LTLCardinality" = "OneSafe" ] ; then
echo "FORMULA_NAME LTLCardinality"
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 ;