About the Execution of ITS-Tools for DBSingleClientW-PT-d2m04
| Execution Summary | |||||
| Max Memory Used (MB) |
Time wait (ms) | CPU Usage (ms) | I/O Wait (ms) | Computed Result | Execution Status |
| 6705.424 | 247318.00 | 629765.00 | 583.60 | T | 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.r115-tall-167814493500182.qcow2', fmt=qcow2 size=4294967296 backing_file=/data/fkordon/mcc2023-input.qcow2 cluster_size=65536 lazy_refcounts=off refcount_bits=16
Waiting for the VM to be ready (probing ssh)
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=====================================================================
Generated by BenchKit 2-5348
Executing tool itstools
Input is DBSingleClientW-PT-d2m04, examination is QuasiLiveness
Time confinement is 1800 seconds
Memory confinement is 16384 MBytes
Number of cores is 4
Run identifier is r115-tall-167814493500182
=====================================================================
--------------------
preparation of the directory to be used:
/home/mcc/execution
total 2.0M
-rw-r--r-- 1 mcc users 7.0K Feb 26 15:28 CTLCardinality.txt
-rw-r--r-- 1 mcc users 74K Feb 26 15:28 CTLCardinality.xml
-rw-r--r-- 1 mcc users 5.6K Feb 26 15:27 CTLFireability.txt
-rw-r--r-- 1 mcc users 48K Feb 26 15:27 CTLFireability.xml
-rw-r--r-- 1 mcc users 3.6K Feb 25 15:49 LTLCardinality.txt
-rw-r--r-- 1 mcc users 24K Feb 25 15:49 LTLCardinality.xml
-rw-r--r-- 1 mcc users 2.3K Feb 25 15:49 LTLFireability.txt
-rw-r--r-- 1 mcc users 17K Feb 25 15:49 LTLFireability.xml
-rw-r--r-- 1 mcc users 14K Feb 26 15:31 ReachabilityCardinality.txt
-rw-r--r-- 1 mcc users 141K Feb 26 15:31 ReachabilityCardinality.xml
-rw-r--r-- 1 mcc users 9.9K Feb 26 15:30 ReachabilityFireability.txt
-rw-r--r-- 1 mcc users 88K Feb 26 15:30 ReachabilityFireability.xml
-rw-r--r-- 1 mcc users 1.7K Feb 25 15:49 UpperBounds.txt
-rw-r--r-- 1 mcc users 3.8K Feb 25 15:49 UpperBounds.xml
-rw-r--r-- 1 mcc users 6 Mar 5 18:22 equiv_col
-rw-r--r-- 1 mcc users 6 Mar 5 18:22 instance
-rw-r--r-- 1 mcc users 6 Mar 5 18:22 iscolored
-rw-r--r-- 1 mcc users 1.6M 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
FORMULA_NAME QuasiLiveness
=== Now, execution of the tool begins
BK_START 1678347952037
bash -c /home/mcc/BenchKit/BenchKit_head.sh 2> STDERR ; echo ; echo -n "BK_STOP " ; date -u +%s%3N
Invoking MCC driver with
BK_TOOL=itstools
BK_EXAMINATION=QuasiLiveness
BK_BIN_PATH=/home/mcc/BenchKit/bin/
BK_TIME_CONFINEMENT=1800
BK_INPUT=DBSingleClientW-PT-d2m04
Not applying reductions.
Model is PT
QuasiLiveness PT
Running Version 202303021504
[2023-03-09 07:45:53] [INFO ] Running its-tools with arguments : [-pnfolder, /home/mcc/execution, -examination, QuasiLiveness, -its, -ltsmin, -greatspnpath, /home/mcc/BenchKit/bin//../itstools/bin//..//greatspn/, -order, META, -manyOrder, -smt, -timeout, 1800]
[2023-03-09 07:45:53] [INFO ] Parsing pnml file : /home/mcc/execution/model.pnml
[2023-03-09 07:45:53] [INFO ] Load time of PNML (sax parser for PT used): 174 ms
[2023-03-09 07:45:53] [INFO ] Transformed 4763 places.
[2023-03-09 07:45:53] [INFO ] Transformed 2478 transitions.
[2023-03-09 07:45:53] [INFO ] Parsed PT model containing 4763 places and 2478 transitions and 9912 arcs in 266 ms.
Starting structural reductions in LIVENESS mode, iteration 0 : 4763/4763 places, 2478/2478 transitions.
Reduce places removed 3626 places and 0 transitions.
Ensure Unique test removed 199 transitions
Reduce isomorphic transitions removed 199 transitions.
Iterating post reduction 0 with 3825 rules applied. Total rules applied 3825 place count 1137 transition count 2279
Applied a total of 3825 rules in 139 ms. Remains 1137 /4763 variables (removed 3626) and now considering 2279/2478 (removed 199) transitions.
// Phase 1: matrix 2279 rows 1137 cols
[2023-03-09 07:45:54] [INFO ] Computed 2 place invariants in 70 ms
[2023-03-09 07:45:54] [INFO ] Implicit Places using invariants in 915 ms returned []
[2023-03-09 07:45:54] [INFO ] Invariant cache hit.
[2023-03-09 07:45:55] [INFO ] State equation strengthened by 1389 read => feed constraints.
[2023-03-09 07:46:09] [INFO ] Implicit Places using invariants and state equation in 14315 ms returned []
Implicit Place search using SMT with State Equation took 15340 ms to find 0 implicit places.
[2023-03-09 07:46:09] [INFO ] Invariant cache hit.
[2023-03-09 07:46:10] [INFO ] Dead Transitions using invariants and state equation in 810 ms found 0 transitions.
Starting structural reductions in LIVENESS mode, iteration 1 : 1137/4763 places, 2279/2478 transitions.
Finished structural reductions in LIVENESS mode , in 1 iterations and 16297 ms. Remains : 1137/4763 places, 2279/2478 transitions.
Discarding 1145 transitions out of 2279. Remains 1134
Initial state reduction rules removed 1 formulas.
[2023-03-09 07:46:10] [INFO ] Flatten gal took : 183 ms
[2023-03-09 07:46:10] [INFO ] Flatten gal took : 122 ms
[2023-03-09 07:46:10] [INFO ] Time to serialize gal into /tmp/ReachabilityCardinality14240508671770847707.gal : 52 ms
[2023-03-09 07:46:11] [INFO ] Time to serialize properties into /tmp/ReachabilityCardinality3743881265720071779.prop : 66 ms
Invoking ITS tools like this :cd /home/mcc/execution;'/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202303021504/bin/its-reach-linux64' '--gc-threshold' '2000000' '--quiet' '-i' '/tmp/ReachabilityCardinality14240508671770847707.gal' '-t' 'CGAL' '-reachable-file' '/tmp/ReachabilityCardinality3743881265720071779.prop' '--nowitness' '--gen-order' 'FOLLOW'
its-reach command run as :
/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202303021504/bin/its-reach-linux64 --gc-threshold 2000000 --quiet ...329
Loading property file /tmp/ReachabilityCardinality3743881265720071779.prop.
Incomplete random walk after 10000 steps, including 2302 resets, run finished after 1624 ms. (steps per millisecond=6 ) properties (out of 1133) seen :43
Reachability property qltransition_1835 is true.
Probabilistic random walk after 30000 steps, saw 13912 distinct states, run finished after 1345 ms. (steps per millisecond=22 ) properties seen :349
Running SMT prover for 741 properties.
[2023-03-09 07:46:13] [INFO ] Invariant cache hit.
Reachability property qltransition_15 is true.
Reachability property qltransition_14 is true.
Reachability property qltransition_3 is true.
Reachability property qltransition_2 is true.
Reachability property qltransition_1 is true.
SDD proceeding with computation,1127 properties remain. new max is 2
SDD size :1 after 5
Reachability property qltransition_259 is true.
Reachability property qltransition_4 is true.
SDD proceeding with computation,1125 properties remain. new max is 2
SDD size :5 after 24
Reachability property qltransition_1836 is true.
Reachability property qltransition_7 is true.
Reachability property qltransition_5 is true.
SDD proceeding with computation,1122 properties remain. new max is 2
SDD size :24 after 40
SDD proceeding with computation,1122 properties remain. new max is 4
SDD size :40 after 56
SDD proceeding with computation,1122 properties remain. new max is 8
SDD size :56 after 88
SDD proceeding with computation,1122 properties remain. new max is 16
SDD size :88 after 118
SDD proceeding with computation,1122 properties remain. new max is 32
SDD size :118 after 152
SDD proceeding with computation,1122 properties remain. new max is 64
SDD size :152 after 184
SDD proceeding with computation,1122 properties remain. new max is 128
SDD size :184 after 186
Reachability property qltransition_1066 is true.
SDD proceeding with computation,1121 properties remain. new max is 128
SDD size :186 after 252
SDD proceeding with computation,1121 properties remain. new max is 256
SDD size :252 after 276
Reachability property qltransition_2224 is true.
Reachability property qltransition_2223 is true.
Reachability property qltransition_2222 is true.
Reachability property qltransition_2221 is true.
Reachability property qltransition_2086 is true.
Reachability property qltransition_1812 is true.
Reachability property qltransition_1807 is true.
Reachability property qltransition_1065 is true.
Reachability property qltransition_1064 is true.
[2023-03-09 07:46:31] [INFO ] [Real]Absence check using 1 positive place invariants in 11 ms returned sat
[2023-03-09 07:46:31] [INFO ] [Real]Absence check using 1 positive and 1 generalized place invariants in 7 ms returned sat
Reachability property qltransition_747 is true.
SDD proceeding with computation,1111 properties remain. new max is 256
SDD size :276 after 606
Reachability property qltransition_2274 is true.
Reachability property qltransition_2269 is true.
Reachability property qltransition_2001 is true.
Reachability property qltransition_2000 is true.
Reachability property qltransition_1999 is true.
Reachability property qltransition_1616 is true.
Reachability property qltransition_327 is true.
Reachability property qltransition_318 is true.
Reachability property qltransition_309 is true.
Reachability property qltransition_180 is true.
Reachability property qltransition_179 is true.
Reachability property qltransition_178 is true.
SDD proceeding with computation,1099 properties remain. new max is 256
SDD size :606 after 1110
Reachability property qltransition_2087 is true.
Reachability property qltransition_1624 is true.
SDD proceeding with computation,1097 properties remain. new max is 256
SDD size :1110 after 1590
[2023-03-09 07:46:44] [INFO ] After 745ms SMT Verify possible using state equation in real domain returned unsat :0 sat :740
[2023-03-09 07:46:44] [INFO ] State equation strengthened by 1389 read => feed constraints.
java.lang.RuntimeException: SMT solver raised an error when submitting script. Raised (error "Failed to assert expression: java.io.IOException: Stream close...
at fr.lip6.move.gal.structural.smt.SMTUtils.execAndCheckResult(SMTUtils.java:251)
at fr.lip6.move.gal.structural.smt.DeadlockTester.verifyPossible(DeadlockTester.java:642)
at fr.lip6.move.gal.structural.smt.DeadlockTester.testUnreachableWithSMTIncremental(DeadlockTester.java:339)
at fr.lip6.move.gal.structural.smt.DeadlockTester.testUnreachableWithSMT(DeadlockTester.java:223)
at fr.lip6.move.gal.application.solver.ReachabilitySolver.applyReductions(ReachabilitySolver.java:95)
at fr.lip6.move.gal.application.solver.global.GlobalPropertySolver.applyReachabilitySolver(GlobalPropertySolver.java:724)
at fr.lip6.move.gal.application.solver.global.GlobalPropertySolver.solveProperty(GlobalPropertySolver.java:558)
at fr.lip6.move.gal.application.solver.global.GlobalPropertySolver.preSolveLiveness(GlobalPropertySolver.java:412)
at fr.lip6.move.gal.application.solver.global.GlobalPropertySolver.preStableMarking(GlobalPropertySolver.java:321)
at fr.lip6.move.gal.application.solver.global.GlobalPropertySolver.solveProperty(GlobalPropertySolver.java:294)
at fr.lip6.move.gal.application.Application.startNoEx(Application.java:386)
at fr.lip6.move.gal.application.Application.start(Application.java:178)
at fr.lip6.move.gal.itscl.application.Application.start(Application.java:45)
at org.eclipse.equinox.internal.app.EclipseAppHandle.run(EclipseAppHandle.java:203)
at org.eclipse.core.runtime.internal.adaptor.EclipseAppLauncher.runApplication(EclipseAppLauncher.java:136)
at org.eclipse.core.runtime.internal.adaptor.EclipseAppLauncher.start(EclipseAppLauncher.java:104)
at org.eclipse.core.runtime.adaptor.EclipseStarter.run(EclipseStarter.java:402)
at org.eclipse.core.runtime.adaptor.EclipseStarter.run(EclipseStarter.java:255)
at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:77)
at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
at java.base/java.lang.reflect.Method.invoke(Method.java:568)
at org.eclipse.equinox.launcher.Main.invokeFramework(Main.java:659)
at org.eclipse.equinox.launcher.Main.basicRun(Main.java:596)
at org.eclipse.equinox.launcher.Main.run(Main.java:1467)
at org.eclipse.equinox.launcher.Main.main(Main.java:1440)
[2023-03-09 07:46:44] [WARNING] SMT solver failed with error :SMT solver raised an error when submitting script.... while checking expressions.
[2023-03-09 07:46:44] [INFO ] After 25072ms SMT Verify possible using all constraints in real domain returned unsat :0 sat :0
Fused 741 Parikh solutions to 1 different solutions.
Parikh walk visited 0 properties in 1 ms.
Support contains 760 out of 1137 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 1137/1137 places, 2279/2279 transitions.
Discarding 62 places :
Symmetric choice reduction at 0 with 62 rule applications. Total rules 62 place count 1075 transition count 2062
Iterating global reduction 0 with 62 rules applied. Total rules applied 124 place count 1075 transition count 2062
Ensure Unique test removed 17 transitions
Reduce isomorphic transitions removed 17 transitions.
Iterating post reduction 0 with 17 rules applied. Total rules applied 141 place count 1075 transition count 2045
Discarding 42 places :
Symmetric choice reduction at 1 with 42 rule applications. Total rules 183 place count 1033 transition count 2003
Iterating global reduction 1 with 42 rules applied. Total rules applied 225 place count 1033 transition count 2003
Discarding 27 places :
Symmetric choice reduction at 1 with 27 rule applications. Total rules 252 place count 1006 transition count 1969
Iterating global reduction 1 with 27 rules applied. Total rules applied 279 place count 1006 transition count 1969
Ensure Unique test removed 21 transitions
Reduce isomorphic transitions removed 21 transitions.
Iterating post reduction 1 with 21 rules applied. Total rules applied 300 place count 1006 transition count 1948
Applied a total of 300 rules in 457 ms. Remains 1006 /1137 variables (removed 131) and now considering 1948/2279 (removed 331) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 458 ms. Remains : 1006/1137 places, 1948/2279 transitions.
SDD proceeding with computation,1097 properties remain. new max is 512
SDD size :1590 after 1704
Reachability property qltransition_1617 is true.
SDD proceeding with computation,1096 properties remain. new max is 512
SDD size :1704 after 2162
SDD proceeding with computation,1096 properties remain. new max is 1024
SDD size :2162 after 2641
Reachability property qltransition_1058 is true.
SDD proceeding with computation,1095 properties remain. new max is 1024
SDD size :2641 after 4008
Interrupted random walk after 368035 steps, including 84739 resets, run timeout after 30001 ms. (steps per millisecond=12 ) properties seen 29
Incomplete Best-First random walk after 1000 steps, including 50 resets, run finished after 28 ms. (steps per millisecond=35 ) properties (out of 712) seen :0
Incomplete Best-First random walk after 1000 steps, including 49 resets, run finished after 27 ms. (steps per millisecond=37 ) properties (out of 712) seen :0
Incomplete Best-First random walk after 1001 steps, including 43 resets, run finished after 23 ms. (steps per millisecond=43 ) properties (out of 712) seen :0
Incomplete Best-First random walk after 1001 steps, including 44 resets, run finished after 27 ms. (steps per millisecond=37 ) properties (out of 712) seen :0
Incomplete Best-First random walk after 1001 steps, including 33 resets, run finished after 23 ms. (steps per millisecond=43 ) properties (out of 712) seen :0
Incomplete Best-First random walk after 1001 steps, including 46 resets, run finished after 27 ms. (steps per millisecond=37 ) properties (out of 712) seen :0
Incomplete Best-First random walk after 1001 steps, including 35 resets, run finished after 22 ms. (steps per millisecond=45 ) properties (out of 712) seen :0
Incomplete Best-First random walk after 1001 steps, including 41 resets, run finished after 25 ms. (steps per millisecond=40 ) properties (out of 712) seen :0
Incomplete Best-First random walk after 1001 steps, including 46 resets, run finished after 25 ms. (steps per millisecond=40 ) properties (out of 712) seen :0
Incomplete Best-First random walk after 1001 steps, including 47 resets, run finished after 26 ms. (steps per millisecond=38 ) properties (out of 712) seen :0
Incomplete Best-First random walk after 1000 steps, including 44 resets, run finished after 25 ms. (steps per millisecond=40 ) properties (out of 712) seen :0
Incomplete Best-First random walk after 1001 steps, including 45 resets, run finished after 25 ms. (steps per millisecond=40 ) properties (out of 712) seen :0
Incomplete Best-First random walk after 1001 steps, including 43 resets, run finished after 25 ms. (steps per millisecond=40 ) properties (out of 712) seen :0
Incomplete Best-First random walk after 1001 steps, including 48 resets, run finished after 22 ms. (steps per millisecond=45 ) properties (out of 712) seen :0
Incomplete Best-First random walk after 1000 steps, including 56 resets, run finished after 26 ms. (steps per millisecond=38 ) properties (out of 712) seen :0
Incomplete Best-First random walk after 1001 steps, including 54 resets, run finished after 29 ms. (steps per millisecond=34 ) properties (out of 712) seen :0
Incomplete Best-First random walk after 1001 steps, including 38 resets, run finished after 24 ms. (steps per millisecond=41 ) properties (out of 712) seen :0
Incomplete Best-First random walk after 1001 steps, including 41 resets, run finished after 24 ms. (steps per millisecond=41 ) properties (out of 712) seen :0
Incomplete Best-First random walk after 1001 steps, including 50 resets, run finished after 23 ms. (steps per millisecond=43 ) properties (out of 712) seen :0
Incomplete Best-First random walk after 1001 steps, including 41 resets, run finished after 20 ms. (steps per millisecond=50 ) properties (out of 712) seen :0
Incomplete Best-First random walk after 1000 steps, including 40 resets, run finished after 21 ms. (steps per millisecond=47 ) properties (out of 712) seen :0
Incomplete Best-First random walk after 1000 steps, including 48 resets, run finished after 23 ms. (steps per millisecond=43 ) properties (out of 712) seen :0
Incomplete Best-First random walk after 1001 steps, including 45 resets, run finished after 22 ms. (steps per millisecond=45 ) properties (out of 712) seen :0
Incomplete Best-First random walk after 1000 steps, including 48 resets, run finished after 22 ms. (steps per millisecond=45 ) properties (out of 712) seen :0
Incomplete Best-First random walk after 1000 steps, including 52 resets, run finished after 24 ms. (steps per millisecond=41 ) properties (out of 712) seen :0
Incomplete Best-First random walk after 1001 steps, including 39 resets, run finished after 21 ms. (steps per millisecond=47 ) properties (out of 712) seen :0
Incomplete Best-First random walk after 1001 steps, including 42 resets, run finished after 24 ms. (steps per millisecond=41 ) properties (out of 712) seen :0
Incomplete Best-First random walk after 1001 steps, including 52 resets, run finished after 24 ms. (steps per millisecond=41 ) properties (out of 712) seen :0
Incomplete Best-First random walk after 1001 steps, including 49 resets, run finished after 22 ms. (steps per millisecond=45 ) properties (out of 712) seen :0
Incomplete Best-First random walk after 1001 steps, including 46 resets, run finished after 22 ms. (steps per millisecond=45 ) properties (out of 712) seen :0
Incomplete Best-First random walk after 1000 steps, including 45 resets, run finished after 22 ms. (steps per millisecond=45 ) properties (out of 712) seen :0
Incomplete Best-First random walk after 1000 steps, including 40 resets, run finished after 20 ms. (steps per millisecond=50 ) properties (out of 712) seen :0
Incomplete Best-First random walk after 1001 steps, including 48 resets, run finished after 23 ms. (steps per millisecond=43 ) properties (out of 712) seen :0
Incomplete Best-First random walk after 1001 steps, including 49 resets, run finished after 23 ms. (steps per millisecond=43 ) properties (out of 712) seen :0
Incomplete Best-First random walk after 1001 steps, including 39 resets, run finished after 20 ms. (steps per millisecond=50 ) properties (out of 712) seen :0
Incomplete Best-First random walk after 1001 steps, including 35 resets, run finished after 20 ms. (steps per millisecond=50 ) properties (out of 712) seen :0
Incomplete Best-First random walk after 1001 steps, including 42 resets, run finished after 21 ms. (steps per millisecond=47 ) properties (out of 712) seen :0
Incomplete Best-First random walk after 1001 steps, including 47 resets, run finished after 22 ms. (steps per millisecond=45 ) properties (out of 712) seen :0
Incomplete Best-First random walk after 1001 steps, including 46 resets, run finished after 21 ms. (steps per millisecond=47 ) properties (out of 712) seen :0
Incomplete Best-First random walk after 1001 steps, including 64 resets, run finished after 26 ms. (steps per millisecond=38 ) properties (out of 712) seen :0
Incomplete Best-First random walk after 1000 steps, including 52 resets, run finished after 23 ms. (steps per millisecond=43 ) properties (out of 712) seen :0
Incomplete Best-First random walk after 1001 steps, including 40 resets, run finished after 20 ms. (steps per millisecond=50 ) properties (out of 712) seen :0
Incomplete Best-First random walk after 1000 steps, including 47 resets, run finished after 22 ms. (steps per millisecond=45 ) properties (out of 712) seen :0
Incomplete Best-First random walk after 1001 steps, including 41 resets, run finished after 21 ms. (steps per millisecond=47 ) properties (out of 712) seen :0
Incomplete Best-First random walk after 1000 steps, including 43 resets, run finished after 21 ms. (steps per millisecond=47 ) properties (out of 712) seen :0
Incomplete Best-First random walk after 1000 steps, including 44 resets, run finished after 22 ms. (steps per millisecond=45 ) properties (out of 712) seen :0
Incomplete Best-First random walk after 1001 steps, including 45 resets, run finished after 22 ms. (steps per millisecond=45 ) properties (out of 712) seen :0
Incomplete Best-First random walk after 1001 steps, including 51 resets, run finished after 23 ms. (steps per millisecond=43 ) properties (out of 712) seen :0
Incomplete Best-First random walk after 1001 steps, including 59 resets, run finished after 26 ms. (steps per millisecond=38 ) properties (out of 712) seen :0
Incomplete Best-First random walk after 1001 steps, including 35 resets, run finished after 20 ms. (steps per millisecond=50 ) properties (out of 712) seen :0
Reachability property qltransition_2254 is true.
Reachability property qltransition_2249 is true.
Reachability property qltransition_2218 is true.
Reachability property qltransition_2217 is true.
Reachability property qltransition_2084 is true.
Reachability property qltransition_1839 is true.
Reachability property qltransition_1838 is true.
Reachability property qltransition_1837 is true.
Reachability property qltransition_1792 is true.
Reachability property qltransition_1787 is true.
Reachability property qltransition_1606 is true.
Reachability property qltransition_1598 is true.
Reachability property qltransition_1057 is true.
Reachability property qltransition_1056 is true.
Reachability property qltransition_589 is true.
Reachability property qltransition_321 is true.
Reachability property qltransition_312 is true.
Reachability property qltransition_303 is true.
Reachability property qltransition_18 is true.
Reachability property qltransition_17 is true.
Reachability property qltransition_16 is true.
SDD proceeding with computation,1074 properties remain. new max is 1024
SDD size :4008 after 6039
Reachability property qltransition_1599 is true.
SDD proceeding with computation,1073 properties remain. new max is 1024
SDD size :6039 after 6657
Probabilistic random walk after 1000000 steps, saw 391159 distinct states, run finished after 22274 ms. (steps per millisecond=44 ) properties seen :690
Running SMT prover for 22 properties.
// Phase 1: matrix 1948 rows 1006 cols
[2023-03-09 07:47:38] [INFO ] Computed 2 place invariants in 29 ms
[2023-03-09 07:47:39] [INFO ] [Real]Absence check using 1 positive place invariants in 4 ms returned sat
[2023-03-09 07:47:39] [INFO ] [Real]Absence check using 1 positive and 1 generalized place invariants in 5 ms returned sat
[2023-03-09 07:47:48] [INFO ] After 10046ms SMT Verify possible using all constraints in real domain returned unsat :0 sat :0 real:22
[2023-03-09 07:47:49] [INFO ] [Nat]Absence check using 1 positive place invariants in 3 ms returned sat
[2023-03-09 07:47:49] [INFO ] [Nat]Absence check using 1 positive and 1 generalized place invariants in 4 ms returned sat
SDD proceeding with computation,1073 properties remain. new max is 2048
SDD size :6657 after 7937
[2023-03-09 07:47:59] [INFO ] After 9386ms SMT Verify possible using state equation in natural domain returned unsat :0 sat :22
[2023-03-09 07:47:59] [INFO ] State equation strengthened by 1143 read => feed constraints.
Reachability property qltransition_2216 is true.
Reachability property qltransition_2215 is true.
Reachability property qltransition_2214 is true.
Reachability property qltransition_2213 is true.
Reachability property qltransition_2083 is true.
Reachability property qltransition_2082 is true.
Reachability property qltransition_1052 is true.
Reachability property qltransition_1050 is true.
Reachability property qltransition_1048 is true.
Reachability property qltransition_1046 is true.
Reachability property qltransition_1044 is true.
Reachability property qltransition_1042 is true.
Reachability property qltransition_1040 is true.
Reachability property qltransition_1034 is true.
Reachability property qltransition_1032 is true.
Reachability property qltransition_1031 is true.
Reachability property qltransition_932 is true.
SDD proceeding with computation,1056 properties remain. new max is 2048
SDD size :7937 after 11996
Reachability property qltransition_2212 is true.
Reachability property qltransition_2210 is true.
Reachability property qltransition_2208 is true.
Reachability property qltransition_2206 is true.
Reachability property qltransition_2204 is true.
Reachability property qltransition_2202 is true.
Reachability property qltransition_2200 is true.
Reachability property qltransition_2140 is true.
Reachability property qltransition_1062 is true.
Reachability property qltransition_371 is true.
Reachability property qltransition_367 is true.
Reachability property qltransition_366 is true.
SDD proceeding with computation,1044 properties remain. new max is 2048
SDD size :11996 after 16731
[2023-03-09 07:48:17] [INFO ] After 18625ms SMT Verify possible using 1143 Read/Feed constraints in natural domain returned unsat :0 sat :22
Reachability property qltransition_2264 is true.
Reachability property qltransition_2259 is true.
Reachability property qltransition_2220 is true.
Reachability property qltransition_2219 is true.
Reachability property qltransition_2085 is true.
Reachability property qltransition_1920 is true.
Reachability property qltransition_1919 is true.
Reachability property qltransition_1918 is true.
Reachability property qltransition_1802 is true.
Reachability property qltransition_1797 is true.
Reachability property qltransition_1615 is true.
Reachability property qltransition_1608 is true.
Reachability property qltransition_1607 is true.
Reachability property qltransition_1061 is true.
Reachability property qltransition_1060 is true.
Reachability property qltransition_668 is true.
Reachability property qltransition_324 is true.
Reachability property qltransition_315 is true.
Reachability property qltransition_306 is true.
Reachability property qltransition_99 is true.
Reachability property qltransition_98 is true.
Reachability property qltransition_97 is true.
SDD proceeding with computation,1022 properties remain. new max is 2048
SDD size :16731 after 20180
[2023-03-09 07:48:34] [INFO ] After 35084ms SMT Verify possible using trap constraints in natural domain returned unsat :0 sat :22
Attempting to minimize the solution found.
SDD proceeding with computation,1022 properties remain. new max is 4096
SDD size :20180 after 24553
Minimization took 15889 ms.
[2023-03-09 07:48:50] [INFO ] After 61297ms SMT Verify possible using all constraints in natural domain returned unsat :0 sat :22
Parikh walk visited 2 properties in 850 ms.
Support contains 26 out of 1006 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 1006/1006 places, 1948/1948 transitions.
Graph (complete) has 3613 edges and 1006 vertex of which 1005 are kept as prefixes of interest. Removing 1 places using SCC suffix rule.3 ms
Discarding 1 places :
Also discarding 0 output transitions
Drop transitions removed 17 transitions
Reduce isomorphic transitions removed 17 transitions.
Iterating post reduction 0 with 17 rules applied. Total rules applied 18 place count 1005 transition count 1931
Discarding 324 places :
Symmetric choice reduction at 1 with 324 rule applications. Total rules 342 place count 681 transition count 1113
Iterating global reduction 1 with 324 rules applied. Total rules applied 666 place count 681 transition count 1113
Ensure Unique test removed 8 transitions
Reduce isomorphic transitions removed 8 transitions.
Iterating post reduction 1 with 8 rules applied. Total rules applied 674 place count 681 transition count 1105
Discarding 263 places :
Symmetric choice reduction at 2 with 263 rule applications. Total rules 937 place count 418 transition count 842
Iterating global reduction 2 with 263 rules applied. Total rules applied 1200 place count 418 transition count 842
Ensure Unique test removed 12 transitions
Reduce isomorphic transitions removed 12 transitions.
Iterating post reduction 2 with 12 rules applied. Total rules applied 1212 place count 418 transition count 830
Discarding 213 places :
Symmetric choice reduction at 3 with 213 rule applications. Total rules 1425 place count 205 transition count 528
Iterating global reduction 3 with 213 rules applied. Total rules applied 1638 place count 205 transition count 528
Ensure Unique test removed 198 transitions
Reduce isomorphic transitions removed 198 transitions.
Iterating post reduction 3 with 198 rules applied. Total rules applied 1836 place count 205 transition count 330
Discarding 23 places :
Symmetric choice reduction at 4 with 23 rule applications. Total rules 1859 place count 182 transition count 292
Iterating global reduction 4 with 23 rules applied. Total rules applied 1882 place count 182 transition count 292
Ensure Unique test removed 6 transitions
Reduce isomorphic transitions removed 6 transitions.
Iterating post reduction 4 with 6 rules applied. Total rules applied 1888 place count 182 transition count 286
Discarding 15 places :
Symmetric choice reduction at 5 with 15 rule applications. Total rules 1903 place count 167 transition count 271
Iterating global reduction 5 with 15 rules applied. Total rules applied 1918 place count 167 transition count 271
Ensure Unique test removed 4 transitions
Reduce isomorphic transitions removed 4 transitions.
Iterating post reduction 5 with 4 rules applied. Total rules applied 1922 place count 167 transition count 267
Discarding 12 places :
Symmetric choice reduction at 6 with 12 rule applications. Total rules 1934 place count 155 transition count 255
Iterating global reduction 6 with 12 rules applied. Total rules applied 1946 place count 155 transition count 255
Ensure Unique test removed 13 transitions
Reduce isomorphic transitions removed 13 transitions.
Iterating post reduction 6 with 13 rules applied. Total rules applied 1959 place count 155 transition count 242
Discarding 6 places :
Symmetric choice reduction at 7 with 6 rule applications. Total rules 1965 place count 149 transition count 202
Iterating global reduction 7 with 6 rules applied. Total rules applied 1971 place count 149 transition count 202
Applied a total of 1971 rules in 120 ms. Remains 149 /1006 variables (removed 857) and now considering 202/1948 (removed 1746) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 121 ms. Remains : 149/1006 places, 202/1948 transitions.
Reachability property qltransition_2182 is true.
Reachability property qltransition_2181 is true.
Reachability property qltransition_2180 is true.
Reachability property qltransition_2178 is true.
Reachability property qltransition_2176 is true.
Reachability property qltransition_2174 is true.
Reachability property qltransition_2172 is true.
Reachability property qltransition_2170 is true.
Reachability property qltransition_2168 is true.
Reachability property qltransition_2110 is true.
Reachability property qltransition_2080 is true.
Incomplete random walk after 1000000 steps, including 229753 resets, run finished after 21408 ms. (steps per millisecond=46 ) properties (out of 20) seen :3
Incomplete Best-First random walk after 100001 steps, including 4439 resets, run finished after 456 ms. (steps per millisecond=219 ) properties (out of 17) seen :0
Incomplete Best-First random walk after 100001 steps, including 4487 resets, run finished after 550 ms. (steps per millisecond=181 ) properties (out of 17) seen :0
Incomplete Best-First random walk after 100001 steps, including 4483 resets, run finished after 535 ms. (steps per millisecond=186 ) properties (out of 17) seen :0
Incomplete Best-First random walk after 100001 steps, including 4480 resets, run finished after 560 ms. (steps per millisecond=178 ) properties (out of 17) seen :0
Incomplete Best-First random walk after 100001 steps, including 4498 resets, run finished after 553 ms. (steps per millisecond=180 ) properties (out of 17) seen :0
Incomplete Best-First random walk after 100001 steps, including 4432 resets, run finished after 519 ms. (steps per millisecond=192 ) properties (out of 17) seen :0
Incomplete Best-First random walk after 100000 steps, including 4522 resets, run finished after 496 ms. (steps per millisecond=201 ) properties (out of 17) seen :0
Incomplete Best-First random walk after 100001 steps, including 4477 resets, run finished after 500 ms. (steps per millisecond=200 ) properties (out of 17) seen :0
Reachability property qltransition_1029 is true.
Reachability property qltransition_1006 is true.
Reachability property qltransition_1004 is true.
Reachability property qltransition_1002 is true.
Reachability property qltransition_1000 is true.
Reachability property qltransition_998 is true.
Reachability property qltransition_996 is true.
Reachability property qltransition_994 is true.
Reachability property qltransition_988 is true.
Reachability property qltransition_986 is true.
Reachability property qltransition_985 is true.
Reachability property qltransition_826 is true.
Incomplete Best-First random walk after 100001 steps, including 9467 resets, run finished after 852 ms. (steps per millisecond=117 ) properties (out of 17) seen :0
Incomplete Best-First random walk after 100001 steps, including 9532 resets, run finished after 865 ms. (steps per millisecond=115 ) properties (out of 17) seen :0
Incomplete Best-First random walk after 100000 steps, including 9608 resets, run finished after 869 ms. (steps per millisecond=115 ) properties (out of 17) seen :0
Incomplete Best-First random walk after 100000 steps, including 9420 resets, run finished after 817 ms. (steps per millisecond=122 ) properties (out of 17) seen :0
Incomplete Best-First random walk after 100001 steps, including 9564 resets, run finished after 813 ms. (steps per millisecond=123 ) properties (out of 17) seen :2
Incomplete Best-First random walk after 100001 steps, including 9339 resets, run finished after 820 ms. (steps per millisecond=121 ) properties (out of 15) seen :0
Incomplete Best-First random walk after 100001 steps, including 9538 resets, run finished after 939 ms. (steps per millisecond=106 ) properties (out of 15) seen :0
Incomplete Best-First random walk after 100001 steps, including 9463 resets, run finished after 805 ms. (steps per millisecond=124 ) properties (out of 15) seen :0
Incomplete Best-First random walk after 100001 steps, including 9530 resets, run finished after 702 ms. (steps per millisecond=142 ) properties (out of 15) seen :0
Running SMT prover for 15 properties.
// Phase 1: matrix 202 rows 149 cols
[2023-03-09 07:49:24] [INFO ] Computed 2 place invariants in 2 ms
[2023-03-09 07:49:24] [INFO ] [Real]Absence check using 0 positive and 2 generalized place invariants in 2 ms returned sat
[2023-03-09 07:49:24] [INFO ] After 331ms SMT Verify possible using all constraints in real domain returned unsat :0 sat :0 real:15
[2023-03-09 07:49:24] [INFO ] [Nat]Absence check using 0 positive and 2 generalized place invariants in 1 ms returned sat
[2023-03-09 07:49:25] [INFO ] After 275ms SMT Verify possible using state equation in natural domain returned unsat :0 sat :15
[2023-03-09 07:49:25] [INFO ] State equation strengthened by 63 read => feed constraints.
[2023-03-09 07:49:25] [INFO ] After 290ms SMT Verify possible using 63 Read/Feed constraints in natural domain returned unsat :0 sat :15
[2023-03-09 07:49:25] [INFO ] After 716ms SMT Verify possible using trap constraints in natural domain returned unsat :0 sat :15
Attempting to minimize the solution found.
Minimization took 328 ms.
[2023-03-09 07:49:26] [INFO ] After 1449ms SMT Verify possible using all constraints in natural domain returned unsat :0 sat :15
Reachability property qltransition_335 is true.
Reachability property qltransition_331 is true.
Reachability property qltransition_330 is true.
Parikh walk visited 0 properties in 2599 ms.
Support contains 20 out of 149 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 149/149 places, 202/202 transitions.
Discarding 1 places :
Symmetric choice reduction at 0 with 1 rule applications. Total rules 1 place count 148 transition count 201
Iterating global reduction 0 with 1 rules applied. Total rules applied 2 place count 148 transition count 201
Applied a total of 2 rules in 9 ms. Remains 148 /149 variables (removed 1) and now considering 201/202 (removed 1) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 9 ms. Remains : 148/149 places, 201/202 transitions.
SDD proceeding with computation,996 properties remain. new max is 4096
SDD size :24553 after 34776
Reachability property qltransition_2198 is true.
Reachability property qltransition_2197 is true.
Reachability property qltransition_2196 is true.
Reachability property qltransition_2194 is true.
Reachability property qltransition_2192 is true.
Reachability property qltransition_2190 is true.
Reachability property qltransition_2188 is true.
Reachability property qltransition_2186 is true.
Reachability property qltransition_2184 is true.
Reachability property qltransition_2125 is true.
Reachability property qltransition_2081 is true.
Reachability property qltransition_1346 is true.
Reachability property qltransition_1328 is true.
Reachability property qltransition_1310 is true.
Reachability property qltransition_1292 is true.
Reachability property qltransition_1274 is true.
Reachability property qltransition_1256 is true.
Reachability property qltransition_1238 is true.
Reachability property qltransition_1220 is true.
Reachability property qltransition_1027 is true.
Reachability property qltransition_1025 is true.
Reachability property qltransition_1023 is true.
Reachability property qltransition_1021 is true.
Reachability property qltransition_1019 is true.
Reachability property qltransition_1017 is true.
Reachability property qltransition_1011 is true.
Reachability property qltransition_1009 is true.
Reachability property qltransition_1008 is true.
Reachability property qltransition_879 is true.
Incomplete random walk after 1000000 steps, including 230212 resets, run finished after 18586 ms. (steps per millisecond=53 ) properties (out of 15) seen :0
Incomplete Best-First random walk after 100001 steps, including 4501 resets, run finished after 427 ms. (steps per millisecond=234 ) properties (out of 15) seen :0
Incomplete Best-First random walk after 100001 steps, including 4477 resets, run finished after 422 ms. (steps per millisecond=236 ) properties (out of 15) seen :0
Incomplete Best-First random walk after 100001 steps, including 4536 resets, run finished after 625 ms. (steps per millisecond=160 ) properties (out of 15) seen :0
Incomplete Best-First random walk after 100000 steps, including 4483 resets, run finished after 561 ms. (steps per millisecond=178 ) properties (out of 15) seen :0
Incomplete Best-First random walk after 100001 steps, including 4457 resets, run finished after 419 ms. (steps per millisecond=238 ) properties (out of 15) seen :0
Incomplete Best-First random walk after 100001 steps, including 4505 resets, run finished after 648 ms. (steps per millisecond=154 ) properties (out of 15) seen :0
Reachability property qltransition_353 is true.
Reachability property qltransition_349 is true.
Reachability property qltransition_348 is true.
Incomplete Best-First random walk after 100001 steps, including 4488 resets, run finished after 796 ms. (steps per millisecond=125 ) properties (out of 15) seen :0
Incomplete Best-First random walk after 100001 steps, including 9609 resets, run finished after 759 ms. (steps per millisecond=131 ) properties (out of 15) seen :0
Incomplete Best-First random walk after 100000 steps, including 9638 resets, run finished after 753 ms. (steps per millisecond=132 ) properties (out of 15) seen :0
Incomplete Best-First random walk after 100000 steps, including 9696 resets, run finished after 790 ms. (steps per millisecond=126 ) properties (out of 15) seen :0
SDD proceeding with computation,964 properties remain. new max is 4096
SDD size :34776 after 43991
Incomplete Best-First random walk after 100000 steps, including 9674 resets, run finished after 784 ms. (steps per millisecond=127 ) properties (out of 15) seen :0
Incomplete Best-First random walk after 100000 steps, including 9602 resets, run finished after 826 ms. (steps per millisecond=121 ) properties (out of 15) seen :0
Incomplete Best-First random walk after 100001 steps, including 9591 resets, run finished after 816 ms. (steps per millisecond=122 ) properties (out of 15) seen :0
Incomplete Best-First random walk after 100001 steps, including 9646 resets, run finished after 801 ms. (steps per millisecond=124 ) properties (out of 15) seen :0
Incomplete Best-First random walk after 100001 steps, including 9757 resets, run finished after 832 ms. (steps per millisecond=120 ) properties (out of 15) seen :0
Finished probabilistic random walk after 56150 steps, run visited all 15 properties in 591 ms. (steps per millisecond=95 )
Probabilistic random walk after 56150 steps, saw 24163 distinct states, run finished after 591 ms. (steps per millisecond=95 ) properties seen :15
ITS runner failed with exception null
java.lang.InterruptedException
at java.base/java.lang.Object.wait(Native Method)
at java.base/java.lang.Thread.join(Thread.java:1304)
at java.base/java.lang.Thread.join(Thread.java:1372)
at fr.lip6.move.gal.application.runner.AbstractRunner.join(AbstractRunner.java:27)
at fr.lip6.move.gal.application.runner.its.ITSRunner.join(ITSRunner.java:177)
at fr.lip6.move.gal.application.solver.global.GlobalPropertySolver.verifyWithSDD(GlobalPropertySolver.java:675)
at fr.lip6.move.gal.application.solver.ReachabilitySolver.lambda$2(ReachabilitySolver.java:63)
at java.base/java.lang.Thread.run(Thread.java:833)
Able to resolve query QuasiLiveness after proving 1134 properties.
FORMULA QuasiLiveness TRUE TECHNIQUES RANDOM_WALK PROBABILISTIC_WALK PARIKH_WALK DECISION_DIAGRAMS COLLATERAL_PROCESSING BESTFIRST_WALK TOPOLOGICAL INITIAL_STATE
Total runtime 244664 ms.
BK_STOP 1678348199355
--------------------
content from stderr:
+ export BINDIR=/home/mcc/BenchKit/bin//../itstools/bin//../
+ BINDIR=/home/mcc/BenchKit/bin//../itstools/bin//../
++ pwd
+ export MODEL=/home/mcc/execution
+ MODEL=/home/mcc/execution
+ [[ QuasiLiveness = StateSpace ]]
+ /home/mcc/BenchKit/bin//../itstools/bin//..//runeclipse.sh /home/mcc/execution QuasiLiveness -its -ltsmin -greatspnpath /home/mcc/BenchKit/bin//../itstools/bin//..//greatspn/ -order META -manyOrder -smt -timeout 1800
+ ulimit -s 65536
+ [[ -z '' ]]
+ export LTSMIN_MEM_SIZE=8589934592
+ LTSMIN_MEM_SIZE=8589934592
+ export PYTHONPATH=/home/mcc/BenchKit/itstools/pylibs
+ PYTHONPATH=/home/mcc/BenchKit/itstools/pylibs
+ export LD_LIBRARY_PATH=/home/mcc/BenchKit/itstools/pylibs:
+ LD_LIBRARY_PATH=/home/mcc/BenchKit/itstools/pylibs:
++ sed s/.jar//
++ perl -pe 's/.*\.//g'
++ ls /home/mcc/BenchKit/bin//../itstools/bin//..//itstools/plugins/fr.lip6.move.gal.application.pnmcc_1.0.0.202303021504.jar
+ VERSION=202303021504
+ echo 'Running Version 202303021504'
+ /home/mcc/BenchKit/bin//../itstools/bin//..//itstools/its-tools -pnfolder /home/mcc/execution -examination QuasiLiveness -its -ltsmin -greatspnpath /home/mcc/BenchKit/bin//../itstools/bin//..//greatspn/ -order META -manyOrder -smt -timeout 1800
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="DBSingleClientW-PT-d2m04"
export BK_EXAMINATION="QuasiLiveness"
export BK_TOOL="itstools"
export BK_RESULT_DIR="/tmp/BK_RESULTS/OUTPUTS"
export BK_TIME_CONFINEMENT="1800"
export BK_MEMORY_CONFINEMENT="16384"
export BK_BIN_PATH="/home/mcc/BenchKit/bin/"
# this is specific to your benchmark or test
export BIN_DIR="$HOME/BenchKit/bin"
# remove the execution directoty if it exists (to avoid increse of .vmdk images)
if [ -d execution ] ; then
rm -rf execution
fi
# this is for BenchKit: explicit launching of the test
echo "====================================================================="
echo " Generated by BenchKit 2-5348"
echo " Executing tool itstools"
echo " Input is DBSingleClientW-PT-d2m04, examination is QuasiLiveness"
echo " Time confinement is $BK_TIME_CONFINEMENT seconds"
echo " Memory confinement is 16384 MBytes"
echo " Number of cores is 4"
echo " Run identifier is r115-tall-167814493500182"
echo "====================================================================="
echo
echo "--------------------"
echo "preparation of the directory to be used:"
tar xzf /home/mcc/BenchKit/INPUTS/DBSingleClientW-PT-d2m04.tgz
mv DBSingleClientW-PT-d2m04 execution
cd execution
if [ "QuasiLiveness" = "ReachabilityDeadlock" ] || [ "QuasiLiveness" = "UpperBounds" ] || [ "QuasiLiveness" = "QuasiLiveness" ] || [ "QuasiLiveness" = "StableMarking" ] || [ "QuasiLiveness" = "Liveness" ] || [ "QuasiLiveness" = "OneSafe" ] || [ "QuasiLiveness" = "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 [ "QuasiLiveness" = "UpperBounds" ] ; then
echo "The expected result is a vector of positive values"
echo NUM_VECTOR
elif [ "QuasiLiveness" != "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 "QuasiLiveness.txt" ] ; then
echo "here is the order used to build the result vector(from text file)"
for x in $(grep Property QuasiLiveness.txt | cut -d ' ' -f 2 | sort -u) ; do
echo "FORMULA_NAME $x"
done
elif [ -f "QuasiLiveness.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 [ "QuasiLiveness" = "ReachabilityDeadlock" ] || [ "QuasiLiveness" = "QuasiLiveness" ] || [ "QuasiLiveness" = "StableMarking" ] || [ "QuasiLiveness" = "Liveness" ] || [ "QuasiLiveness" = "OneSafe" ] ; then
echo "FORMULA_NAME QuasiLiveness"
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 ;