About the Execution of LoLa+red for CloudReconfiguration-PT-311
| Execution Summary | |||||
| Max Memory Used (MB) |
Time wait (ms) | CPU Usage (ms) | I/O Wait (ms) | Computed Result | Execution Status |
| 663.647 | 78770.00 | 94560.00 | 526.20 | 1 0 1 1 1 1 1 1 1 1 1 1 1 1 1 1 | 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.r103-tall-167814477900085.qcow2', fmt=qcow2 size=4294967296 backing_file=/data/fkordon/mcc2023-input.qcow2 cluster_size=65536 lazy_refcounts=off refcount_bits=16
Waiting for the VM to be ready (probing ssh)
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=====================================================================
Generated by BenchKit 2-5348
Executing tool lolaxred
Input is CloudReconfiguration-PT-311, examination is UpperBounds
Time confinement is 3600 seconds
Memory confinement is 16384 MBytes
Number of cores is 4
Run identifier is r103-tall-167814477900085
=====================================================================
--------------------
preparation of the directory to be used:
/home/mcc/execution
total 1.1M
-rw-r--r-- 1 mcc users 6.2K Feb 25 11:50 CTLCardinality.txt
-rw-r--r-- 1 mcc users 61K Feb 25 11:50 CTLCardinality.xml
-rw-r--r-- 1 mcc users 5.2K Feb 25 11:49 CTLFireability.txt
-rw-r--r-- 1 mcc users 44K Feb 25 11:49 CTLFireability.xml
-rw-r--r-- 1 mcc users 4.2K Jan 29 11:40 GenericPropertiesDefinition.xml
-rw-r--r-- 1 mcc users 4.0K Feb 25 15:47 LTLCardinality.txt
-rw-r--r-- 1 mcc users 27K Feb 25 15:47 LTLCardinality.xml
-rw-r--r-- 1 mcc users 2.5K Feb 25 15:47 LTLFireability.txt
-rw-r--r-- 1 mcc users 18K Feb 25 15:47 LTLFireability.xml
-rw-r--r-- 1 mcc users 13K Feb 25 11:50 ReachabilityCardinality.txt
-rw-r--r-- 1 mcc users 128K Feb 25 11:50 ReachabilityCardinality.xml
-rw-r--r-- 1 mcc users 11K Feb 25 11:50 ReachabilityFireability.txt
-rw-r--r-- 1 mcc users 96K Feb 25 11:50 ReachabilityFireability.xml
-rw-r--r-- 1 mcc users 1.8K Feb 25 15:47 UpperBounds.txt
-rw-r--r-- 1 mcc users 3.8K Feb 25 15:47 UpperBounds.xml
-rw-r--r-- 1 mcc users 6 Mar 5 18:22 equiv_col
-rw-r--r-- 1 mcc users 4 Mar 5 18:22 instance
-rw-r--r-- 1 mcc users 6 Mar 5 18:22 iscolored
-rw-r--r-- 1 mcc users 660K 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 positive values
NUM_VECTOR
here is the order used to build the result vector(from text file)
FORMULA_NAME CloudReconfiguration-PT-311-UpperBounds-00
FORMULA_NAME CloudReconfiguration-PT-311-UpperBounds-01
FORMULA_NAME CloudReconfiguration-PT-311-UpperBounds-02
FORMULA_NAME CloudReconfiguration-PT-311-UpperBounds-03
FORMULA_NAME CloudReconfiguration-PT-311-UpperBounds-04
FORMULA_NAME CloudReconfiguration-PT-311-UpperBounds-05
FORMULA_NAME CloudReconfiguration-PT-311-UpperBounds-06
FORMULA_NAME CloudReconfiguration-PT-311-UpperBounds-07
FORMULA_NAME CloudReconfiguration-PT-311-UpperBounds-08
FORMULA_NAME CloudReconfiguration-PT-311-UpperBounds-09
FORMULA_NAME CloudReconfiguration-PT-311-UpperBounds-10
FORMULA_NAME CloudReconfiguration-PT-311-UpperBounds-11
FORMULA_NAME CloudReconfiguration-PT-311-UpperBounds-12
FORMULA_NAME CloudReconfiguration-PT-311-UpperBounds-13
FORMULA_NAME CloudReconfiguration-PT-311-UpperBounds-14
FORMULA_NAME CloudReconfiguration-PT-311-UpperBounds-15
=== Now, execution of the tool begins
BK_START 1678231008888
bash -c /home/mcc/BenchKit/BenchKit_head.sh 2> STDERR ; echo ; echo -n "BK_STOP " ; date -u +%s%3N
Invoking MCC driver with
BK_TOOL=lolaxred
BK_EXAMINATION=UpperBounds
BK_BIN_PATH=/home/mcc/BenchKit/bin/
BK_TIME_CONFINEMENT=3600
BK_INPUT=CloudReconfiguration-PT-311
Applying reductions before tool lola
Invoking reducer
Running Version 202303021504
[2023-03-07 23:16:50] [INFO ] Running its-tools with arguments : [-pnfolder, /home/mcc/execution, -examination, UpperBounds, -timeout, 360, -rebuildPNML]
[2023-03-07 23:16:50] [INFO ] Parsing pnml file : /home/mcc/execution/model.pnml
[2023-03-07 23:16:50] [INFO ] Load time of PNML (sax parser for PT used): 121 ms
[2023-03-07 23:16:50] [INFO ] Transformed 2585 places.
[2023-03-07 23:16:50] [INFO ] Transformed 3095 transitions.
[2023-03-07 23:16:50] [INFO ] Found NUPN structural information;
[2023-03-07 23:16:50] [INFO ] Parsed PT model containing 2585 places and 3095 transitions and 6463 arcs in 192 ms.
Parsed 16 properties from file /home/mcc/execution/UpperBounds.xml in 5 ms.
// Phase 1: matrix 3095 rows 2585 cols
[2023-03-07 23:16:50] [INFO ] Computed 4 place invariants in 63 ms
Incomplete random walk after 10000 steps, including 107 resets, run finished after 49 ms. (steps per millisecond=204 ) properties (out of 16) seen :0
Incomplete Best-First random walk after 10000 steps, including 37 resets, run finished after 12 ms. (steps per millisecond=833 ) properties (out of 16) seen :1
FORMULA CloudReconfiguration-PT-311-UpperBounds-12 1 TECHNIQUES TOPOLOGICAL BESTFIRST_WALK
Incomplete Best-First random walk after 10001 steps, including 37 resets, run finished after 13 ms. (steps per millisecond=769 ) properties (out of 15) seen :0
Incomplete Best-First random walk after 10001 steps, including 43 resets, run finished after 14 ms. (steps per millisecond=714 ) properties (out of 15) seen :0
Incomplete Best-First random walk after 10001 steps, including 37 resets, run finished after 12 ms. (steps per millisecond=833 ) properties (out of 15) seen :0
Incomplete Best-First random walk after 10001 steps, including 40 resets, run finished after 11 ms. (steps per millisecond=909 ) properties (out of 15) seen :2
FORMULA CloudReconfiguration-PT-311-UpperBounds-07 1 TECHNIQUES TOPOLOGICAL BESTFIRST_WALK
FORMULA CloudReconfiguration-PT-311-UpperBounds-06 1 TECHNIQUES TOPOLOGICAL BESTFIRST_WALK
Incomplete Best-First random walk after 10001 steps, including 34 resets, run finished after 13 ms. (steps per millisecond=769 ) properties (out of 13) seen :1
FORMULA CloudReconfiguration-PT-311-UpperBounds-05 1 TECHNIQUES TOPOLOGICAL BESTFIRST_WALK
Incomplete Best-First random walk after 10001 steps, including 35 resets, run finished after 9 ms. (steps per millisecond=1111 ) properties (out of 12) seen :0
Incomplete Best-First random walk after 10000 steps, including 30 resets, run finished after 10 ms. (steps per millisecond=1000 ) properties (out of 12) seen :1
FORMULA CloudReconfiguration-PT-311-UpperBounds-15 1 TECHNIQUES TOPOLOGICAL BESTFIRST_WALK
Incomplete Best-First random walk after 10001 steps, including 39 resets, run finished after 14 ms. (steps per millisecond=714 ) properties (out of 11) seen :0
Incomplete Best-First random walk after 10001 steps, including 37 resets, run finished after 12 ms. (steps per millisecond=833 ) properties (out of 11) seen :0
Incomplete Best-First random walk after 10001 steps, including 42 resets, run finished after 12 ms. (steps per millisecond=833 ) properties (out of 11) seen :0
[2023-03-07 23:16:51] [INFO ] Invariant cache hit.
[2023-03-07 23:16:51] [INFO ] [Real]Absence check using 0 positive and 4 generalized place invariants in 46 ms returned sat
[2023-03-07 23:16:51] [INFO ] [Real]Adding state equation constraints to refine reachable states.
[2023-03-07 23:16:52] [INFO ] [Real]Absence check using state equation in 1188 ms returned sat
[2023-03-07 23:16:52] [INFO ] Solution in real domain found non-integer solution.
[2023-03-07 23:16:53] [INFO ] [Nat]Absence check using 0 positive and 4 generalized place invariants in 43 ms returned sat
[2023-03-07 23:16:53] [INFO ] [Nat]Adding state equation constraints to refine reachable states.
[2023-03-07 23:16:54] [INFO ] [Nat]Absence check using state equation in 1196 ms returned sat
[2023-03-07 23:16:54] [INFO ] Computed and/alt/rep : 3086/3793/3086 causal constraints (skipped 8 transitions) in 160 ms.
[2023-03-07 23:16:57] [INFO ] Added : 130 causal constraints over 26 iterations in 3314 ms. Result :unknown
[2023-03-07 23:16:58] [INFO ] [Real]Absence check using 0 positive and 4 generalized place invariants in 38 ms returned sat
[2023-03-07 23:16:58] [INFO ] [Real]Adding state equation constraints to refine reachable states.
[2023-03-07 23:16:59] [INFO ] [Real]Absence check using state equation in 1171 ms returned sat
[2023-03-07 23:16:59] [INFO ] Solution in real domain found non-integer solution.
[2023-03-07 23:16:59] [INFO ] [Nat]Absence check using 0 positive and 4 generalized place invariants in 41 ms returned sat
[2023-03-07 23:16:59] [INFO ] [Nat]Adding state equation constraints to refine reachable states.
[2023-03-07 23:17:01] [INFO ] [Nat]Absence check using state equation in 1159 ms returned sat
[2023-03-07 23:17:01] [INFO ] Computed and/alt/rep : 3086/3793/3086 causal constraints (skipped 8 transitions) in 143 ms.
[2023-03-07 23:17:04] [WARNING] SMT solver failed with error :java.lang.RuntimeException: SMT solver raised an error when submitting script. Raised (error "Failed to assert expression: java.io.IOException: Stream close... while checking expression at index 1
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.refineWithCausalOrder(DeadlockTester.java:1186)
at fr.lip6.move.gal.structural.smt.DeadlockTester.verifyPossible(DeadlockTester.java:923)
at fr.lip6.move.gal.structural.smt.DeadlockTester.findStructuralMaxWithSMT(DeadlockTester.java:2620)
at fr.lip6.move.gal.application.solver.UpperBoundsSolver.applyReductions(UpperBoundsSolver.java:186)
at fr.lip6.move.gal.application.Application.startNoEx(Application.java:714)
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)
[2023-03-07 23:17:04] [INFO ] [Real]Absence check using 0 positive and 4 generalized place invariants in 38 ms returned sat
[2023-03-07 23:17:04] [INFO ] [Real]Adding state equation constraints to refine reachable states.
[2023-03-07 23:17:06] [INFO ] [Real]Absence check using state equation in 1249 ms returned sat
[2023-03-07 23:17:06] [INFO ] Solution in real domain found non-integer solution.
[2023-03-07 23:17:06] [INFO ] [Nat]Absence check using 0 positive and 4 generalized place invariants in 39 ms returned sat
[2023-03-07 23:17:06] [INFO ] [Nat]Adding state equation constraints to refine reachable states.
[2023-03-07 23:17:08] [INFO ] [Nat]Absence check using state equation in 1459 ms returned sat
[2023-03-07 23:17:08] [INFO ] Computed and/alt/rep : 3086/3793/3086 causal constraints (skipped 8 transitions) in 134 ms.
[2023-03-07 23:17:11] [INFO ] Added : 130 causal constraints over 26 iterations in 3103 ms. Result :unknown
[2023-03-07 23:17:11] [INFO ] [Real]Absence check using 0 positive and 4 generalized place invariants in 37 ms returned sat
[2023-03-07 23:17:11] [INFO ] [Real]Adding state equation constraints to refine reachable states.
[2023-03-07 23:17:12] [INFO ] [Real]Absence check using state equation in 1171 ms returned sat
[2023-03-07 23:17:12] [INFO ] Solution in real domain found non-integer solution.
[2023-03-07 23:17:13] [INFO ] [Nat]Absence check using 0 positive and 4 generalized place invariants in 40 ms returned sat
[2023-03-07 23:17:13] [INFO ] [Nat]Adding state equation constraints to refine reachable states.
[2023-03-07 23:17:14] [INFO ] [Nat]Absence check using state equation in 1171 ms returned sat
[2023-03-07 23:17:14] [INFO ] Computed and/alt/rep : 3086/3793/3086 causal constraints (skipped 8 transitions) in 132 ms.
[2023-03-07 23:17:18] [INFO ] Added : 135 causal constraints over 27 iterations in 3417 ms. Result :unknown
[2023-03-07 23:17:18] [INFO ] [Real]Absence check using 0 positive and 4 generalized place invariants in 39 ms returned sat
[2023-03-07 23:17:18] [INFO ] [Real]Adding state equation constraints to refine reachable states.
[2023-03-07 23:17:19] [INFO ] [Real]Absence check using state equation in 1258 ms returned sat
[2023-03-07 23:17:19] [INFO ] Solution in real domain found non-integer solution.
[2023-03-07 23:17:20] [INFO ] [Nat]Absence check using 0 positive and 4 generalized place invariants in 41 ms returned sat
[2023-03-07 23:17:20] [INFO ] [Nat]Adding state equation constraints to refine reachable states.
[2023-03-07 23:17:21] [INFO ] [Nat]Absence check using state equation in 1757 ms returned sat
[2023-03-07 23:17:22] [INFO ] Computed and/alt/rep : 3086/3793/3086 causal constraints (skipped 8 transitions) in 145 ms.
[2023-03-07 23:17:24] [WARNING] SMT solver failed with error :java.lang.RuntimeException: SMT solver raised an error when submitting script. Raised (error "Failed to assert expression: java.io.IOException: Stream close... while checking expression at index 4
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.refineWithCausalOrder(DeadlockTester.java:1186)
at fr.lip6.move.gal.structural.smt.DeadlockTester.verifyPossible(DeadlockTester.java:923)
at fr.lip6.move.gal.structural.smt.DeadlockTester.findStructuralMaxWithSMT(DeadlockTester.java:2620)
at fr.lip6.move.gal.application.solver.UpperBoundsSolver.applyReductions(UpperBoundsSolver.java:186)
at fr.lip6.move.gal.application.Application.startNoEx(Application.java:714)
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)
[2023-03-07 23:17:25] [INFO ] [Real]Absence check using 0 positive and 4 generalized place invariants in 38 ms returned sat
[2023-03-07 23:17:25] [INFO ] [Real]Adding state equation constraints to refine reachable states.
[2023-03-07 23:17:26] [INFO ] [Real]Absence check using state equation in 1236 ms returned sat
[2023-03-07 23:17:26] [INFO ] Solution in real domain found non-integer solution.
[2023-03-07 23:17:26] [INFO ] [Nat]Absence check using 0 positive and 4 generalized place invariants in 42 ms returned sat
[2023-03-07 23:17:26] [INFO ] [Nat]Adding state equation constraints to refine reachable states.
[2023-03-07 23:17:28] [INFO ] [Nat]Absence check using state equation in 1233 ms returned sat
[2023-03-07 23:17:28] [INFO ] Computed and/alt/rep : 3086/3793/3086 causal constraints (skipped 8 transitions) in 139 ms.
[2023-03-07 23:17:31] [INFO ] Added : 135 causal constraints over 27 iterations in 3342 ms. Result :unknown
[2023-03-07 23:17:31] [INFO ] [Real]Absence check using 0 positive and 4 generalized place invariants in 38 ms returned sat
[2023-03-07 23:17:31] [INFO ] [Real]Adding state equation constraints to refine reachable states.
[2023-03-07 23:17:33] [INFO ] [Real]Absence check using state equation in 1133 ms returned sat
[2023-03-07 23:17:33] [INFO ] Solution in real domain found non-integer solution.
[2023-03-07 23:17:33] [INFO ] [Nat]Absence check using 0 positive and 4 generalized place invariants in 41 ms returned sat
[2023-03-07 23:17:33] [INFO ] [Nat]Adding state equation constraints to refine reachable states.
[2023-03-07 23:17:34] [INFO ] [Nat]Absence check using state equation in 1137 ms returned sat
[2023-03-07 23:17:34] [INFO ] Computed and/alt/rep : 3086/3793/3086 causal constraints (skipped 8 transitions) in 128 ms.
[2023-03-07 23:17:38] [INFO ] Added : 140 causal constraints over 28 iterations in 3461 ms. Result :unknown
[2023-03-07 23:17:38] [INFO ] [Real]Absence check using 0 positive and 4 generalized place invariants in 38 ms returned sat
[2023-03-07 23:17:38] [INFO ] [Real]Adding state equation constraints to refine reachable states.
[2023-03-07 23:17:39] [INFO ] [Real]Absence check using state equation in 1166 ms returned sat
[2023-03-07 23:17:39] [INFO ] Solution in real domain found non-integer solution.
[2023-03-07 23:17:40] [INFO ] [Nat]Absence check using 0 positive and 4 generalized place invariants in 41 ms returned sat
[2023-03-07 23:17:40] [INFO ] [Nat]Adding state equation constraints to refine reachable states.
[2023-03-07 23:17:41] [INFO ] [Nat]Absence check using state equation in 1184 ms returned sat
[2023-03-07 23:17:41] [INFO ] Computed and/alt/rep : 3086/3793/3086 causal constraints (skipped 8 transitions) in 136 ms.
[2023-03-07 23:17:44] [WARNING] SMT solver failed with error :java.lang.RuntimeException: SMT solver raised an error when submitting script. Raised (error "Failed to assert expression: java.io.IOException: Stream close... while checking expression at index 7
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.refineWithCausalOrder(DeadlockTester.java:1186)
at fr.lip6.move.gal.structural.smt.DeadlockTester.verifyPossible(DeadlockTester.java:923)
at fr.lip6.move.gal.structural.smt.DeadlockTester.findStructuralMaxWithSMT(DeadlockTester.java:2620)
at fr.lip6.move.gal.application.solver.UpperBoundsSolver.applyReductions(UpperBoundsSolver.java:186)
at fr.lip6.move.gal.application.Application.startNoEx(Application.java:714)
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)
[2023-03-07 23:17:45] [INFO ] [Real]Absence check using 0 positive and 4 generalized place invariants in 39 ms returned sat
[2023-03-07 23:17:45] [INFO ] [Real]Adding state equation constraints to refine reachable states.
[2023-03-07 23:17:46] [INFO ] [Real]Absence check using state equation in 1262 ms returned sat
[2023-03-07 23:17:46] [INFO ] Solution in real domain found non-integer solution.
[2023-03-07 23:17:46] [INFO ] [Nat]Absence check using 0 positive and 4 generalized place invariants in 39 ms returned sat
[2023-03-07 23:17:46] [INFO ] [Nat]Adding state equation constraints to refine reachable states.
[2023-03-07 23:17:48] [INFO ] [Nat]Absence check using state equation in 1452 ms returned sat
[2023-03-07 23:17:48] [INFO ] Computed and/alt/rep : 3086/3793/3086 causal constraints (skipped 8 transitions) in 126 ms.
[2023-03-07 23:17:51] [INFO ] Added : 125 causal constraints over 25 iterations in 3155 ms. Result :unknown
[2023-03-07 23:17:52] [INFO ] [Real]Absence check using 0 positive and 4 generalized place invariants in 38 ms returned sat
[2023-03-07 23:17:52] [INFO ] [Real]Adding state equation constraints to refine reachable states.
[2023-03-07 23:17:53] [INFO ] [Real]Absence check using state equation in 1127 ms returned sat
[2023-03-07 23:17:53] [INFO ] Solution in real domain found non-integer solution.
[2023-03-07 23:17:53] [INFO ] [Nat]Absence check using 0 positive and 4 generalized place invariants in 40 ms returned sat
[2023-03-07 23:17:53] [INFO ] [Nat]Adding state equation constraints to refine reachable states.
[2023-03-07 23:17:55] [INFO ] [Nat]Absence check using state equation in 1474 ms returned sat
[2023-03-07 23:17:55] [INFO ] Computed and/alt/rep : 3086/3793/3086 causal constraints (skipped 8 transitions) in 133 ms.
[2023-03-07 23:17:58] [WARNING] SMT solver failed with error :java.lang.RuntimeException: SMT solver raised an error when submitting script. Raised (error "Failed to assert expression: java.io.IOException: Stream close... while checking expression at index 9
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.refineWithCausalOrder(DeadlockTester.java:1186)
at fr.lip6.move.gal.structural.smt.DeadlockTester.verifyPossible(DeadlockTester.java:923)
at fr.lip6.move.gal.structural.smt.DeadlockTester.findStructuralMaxWithSMT(DeadlockTester.java:2620)
at fr.lip6.move.gal.application.solver.UpperBoundsSolver.applyReductions(UpperBoundsSolver.java:186)
at fr.lip6.move.gal.application.Application.startNoEx(Application.java:714)
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)
[2023-03-07 23:17:58] [INFO ] [Real]Absence check using 0 positive and 4 generalized place invariants in 39 ms returned sat
[2023-03-07 23:17:58] [INFO ] [Real]Adding state equation constraints to refine reachable states.
[2023-03-07 23:17:59] [INFO ] [Real]Absence check using state equation in 1172 ms returned sat
[2023-03-07 23:17:59] [INFO ] Solution in real domain found non-integer solution.
[2023-03-07 23:18:00] [INFO ] [Nat]Absence check using 0 positive and 4 generalized place invariants in 39 ms returned sat
[2023-03-07 23:18:00] [INFO ] [Nat]Adding state equation constraints to refine reachable states.
[2023-03-07 23:18:01] [INFO ] [Nat]Absence check using state equation in 1181 ms returned sat
[2023-03-07 23:18:01] [INFO ] Computed and/alt/rep : 3086/3793/3086 causal constraints (skipped 8 transitions) in 132 ms.
[2023-03-07 23:18:04] [INFO ] Added : 140 causal constraints over 28 iterations in 3422 ms. Result :unknown
Current structural bounds on expressions (after SMT) : [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] Max seen :[0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0]
Support contains 11 out of 2585 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 2585/2585 places, 3095/3095 transitions.
Graph (trivial) has 2934 edges and 2585 vertex of which 860 / 2585 are part of one of the 63 SCC in 10 ms
Free SCC test removed 797 places
Drop transitions removed 974 transitions
Reduce isomorphic transitions removed 974 transitions.
Graph (complete) has 2401 edges and 1788 vertex of which 1774 are kept as prefixes of interest. Removing 14 places using SCC suffix rule.4 ms
Discarding 14 places :
Also discarding 9 output transitions
Drop transitions removed 9 transitions
Drop transitions removed 9 transitions
Reduce isomorphic transitions removed 9 transitions.
Drop transitions removed 1189 transitions
Trivial Post-agglo rules discarded 1189 transitions
Performed 1189 trivial Post agglomeration. Transition count delta: 1189
Iterating post reduction 0 with 1198 rules applied. Total rules applied 1200 place count 1774 transition count 914
Reduce places removed 1189 places and 0 transitions.
Ensure Unique test removed 75 transitions
Reduce isomorphic transitions removed 75 transitions.
Drop transitions removed 62 transitions
Trivial Post-agglo rules discarded 62 transitions
Performed 62 trivial Post agglomeration. Transition count delta: 62
Iterating post reduction 1 with 1326 rules applied. Total rules applied 2526 place count 585 transition count 777
Reduce places removed 62 places and 0 transitions.
Ensure Unique test removed 6 transitions
Reduce isomorphic transitions removed 6 transitions.
Drop transitions removed 3 transitions
Trivial Post-agglo rules discarded 3 transitions
Performed 3 trivial Post agglomeration. Transition count delta: 3
Iterating post reduction 2 with 71 rules applied. Total rules applied 2597 place count 523 transition count 768
Reduce places removed 3 places and 0 transitions.
Ensure Unique test removed 2 transitions
Reduce isomorphic transitions removed 2 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 3 with 9 rules applied. Total rules applied 2606 place count 520 transition count 762
Reduce places removed 4 places and 0 transitions.
Ensure Unique test removed 2 transitions
Reduce isomorphic transitions removed 2 transitions.
Drop transitions removed 2 transitions
Trivial Post-agglo rules discarded 2 transitions
Performed 2 trivial Post agglomeration. Transition count delta: 2
Iterating post reduction 4 with 8 rules applied. Total rules applied 2614 place count 516 transition count 758
Reduce places removed 2 places and 0 transitions.
Performed 7 Post agglomeration using F-continuation condition.Transition count delta: 7
Iterating post reduction 5 with 9 rules applied. Total rules applied 2623 place count 514 transition count 751
Reduce places removed 7 places and 0 transitions.
Iterating post reduction 6 with 7 rules applied. Total rules applied 2630 place count 507 transition count 751
Performed 22 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 7 with 22 Pre rules applied. Total rules applied 2630 place count 507 transition count 729
Deduced a syphon composed of 22 places in 2 ms
Reduce places removed 22 places and 0 transitions.
Iterating global reduction 7 with 44 rules applied. Total rules applied 2674 place count 485 transition count 729
Discarding 79 places :
Symmetric choice reduction at 7 with 79 rule applications. Total rules 2753 place count 406 transition count 650
Iterating global reduction 7 with 79 rules applied. Total rules applied 2832 place count 406 transition count 650
Performed 9 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 7 with 9 Pre rules applied. Total rules applied 2832 place count 406 transition count 641
Deduced a syphon composed of 9 places in 1 ms
Reduce places removed 9 places and 0 transitions.
Iterating global reduction 7 with 18 rules applied. Total rules applied 2850 place count 397 transition count 641
Discarding 60 places :
Symmetric choice reduction at 7 with 60 rule applications. Total rules 2910 place count 337 transition count 581
Iterating global reduction 7 with 60 rules applied. Total rules applied 2970 place count 337 transition count 581
Ensure Unique test removed 18 transitions
Reduce isomorphic transitions removed 18 transitions.
Drop transitions removed 18 transitions
Trivial Post-agglo rules discarded 18 transitions
Performed 18 trivial Post agglomeration. Transition count delta: 18
Iterating post reduction 7 with 36 rules applied. Total rules applied 3006 place count 337 transition count 545
Reduce places removed 18 places and 0 transitions.
Ensure Unique test removed 5 transitions
Reduce isomorphic transitions removed 5 transitions.
Drop transitions removed 5 transitions
Trivial Post-agglo rules discarded 5 transitions
Performed 5 trivial Post agglomeration. Transition count delta: 5
Iterating post reduction 8 with 28 rules applied. Total rules applied 3034 place count 319 transition count 535
Reduce places removed 5 places and 0 transitions.
Iterating post reduction 9 with 5 rules applied. Total rules applied 3039 place count 314 transition count 535
Discarding 21 places :
Symmetric choice reduction at 10 with 21 rule applications. Total rules 3060 place count 293 transition count 502
Iterating global reduction 10 with 21 rules applied. Total rules applied 3081 place count 293 transition count 502
Ensure Unique test removed 9 transitions
Reduce isomorphic transitions removed 9 transitions.
Iterating post reduction 10 with 9 rules applied. Total rules applied 3090 place count 293 transition count 493
Discarding 9 places :
Symmetric choice reduction at 11 with 9 rule applications. Total rules 3099 place count 284 transition count 475
Iterating global reduction 11 with 9 rules applied. Total rules applied 3108 place count 284 transition count 475
Discarding 3 places :
Symmetric choice reduction at 11 with 3 rule applications. Total rules 3111 place count 281 transition count 469
Iterating global reduction 11 with 3 rules applied. Total rules applied 3114 place count 281 transition count 469
Performed 145 Post agglomeration using F-continuation condition with reduction of 77 identical transitions.
Deduced a syphon composed of 145 places in 0 ms
Reduce places removed 145 places and 0 transitions.
Iterating global reduction 11 with 290 rules applied. Total rules applied 3404 place count 136 transition count 247
Drop transitions removed 2 transitions
Ensure Unique test removed 2 transitions
Reduce isomorphic transitions removed 4 transitions.
Iterating post reduction 11 with 4 rules applied. Total rules applied 3408 place count 136 transition count 243
Performed 3 Post agglomeration using F-continuation condition.Transition count delta: 3
Deduced a syphon composed of 3 places in 0 ms
Reduce places removed 3 places and 0 transitions.
Iterating global reduction 12 with 6 rules applied. Total rules applied 3414 place count 133 transition count 240
Ensure Unique test removed 6 transitions
Reduce isomorphic transitions removed 6 transitions.
Iterating post reduction 12 with 6 rules applied. Total rules applied 3420 place count 133 transition count 234
Performed 3 Post agglomeration using F-continuation condition.Transition count delta: 3
Deduced a syphon composed of 3 places in 0 ms
Reduce places removed 3 places and 0 transitions.
Iterating global reduction 13 with 6 rules applied. Total rules applied 3426 place count 130 transition count 231
Ensure Unique test removed 6 transitions
Reduce isomorphic transitions removed 6 transitions.
Iterating post reduction 13 with 6 rules applied. Total rules applied 3432 place count 130 transition count 225
Performed 36 Post agglomeration using F-continuation condition with reduction of 19 identical transitions.
Deduced a syphon composed of 36 places in 0 ms
Reduce places removed 36 places and 0 transitions.
Iterating global reduction 14 with 72 rules applied. Total rules applied 3504 place count 94 transition count 262
Drop transitions removed 18 transitions
Ensure Unique test removed 26 transitions
Reduce isomorphic transitions removed 44 transitions.
Iterating post reduction 14 with 44 rules applied. Total rules applied 3548 place count 94 transition count 218
Discarding 21 places :
Symmetric choice reduction at 15 with 21 rule applications. Total rules 3569 place count 73 transition count 189
Iterating global reduction 15 with 21 rules applied. Total rules applied 3590 place count 73 transition count 189
Ensure Unique test removed 13 transitions
Reduce isomorphic transitions removed 13 transitions.
Iterating post reduction 15 with 13 rules applied. Total rules applied 3603 place count 73 transition count 176
Discarding 4 places :
Symmetric choice reduction at 16 with 4 rule applications. Total rules 3607 place count 69 transition count 168
Iterating global reduction 16 with 4 rules applied. Total rules applied 3611 place count 69 transition count 168
Ensure Unique test removed 4 transitions
Reduce isomorphic transitions removed 4 transitions.
Iterating post reduction 16 with 4 rules applied. Total rules applied 3615 place count 69 transition count 164
Drop transitions removed 16 transitions
Redundant transition composition rules discarded 16 transitions
Iterating global reduction 17 with 16 rules applied. Total rules applied 3631 place count 69 transition count 148
Discarding 2 places :
Symmetric choice reduction at 17 with 2 rule applications. Total rules 3633 place count 67 transition count 141
Iterating global reduction 17 with 2 rules applied. Total rules applied 3635 place count 67 transition count 141
Discarding 1 places :
Symmetric choice reduction at 17 with 1 rule applications. Total rules 3636 place count 66 transition count 140
Iterating global reduction 17 with 1 rules applied. Total rules applied 3637 place count 66 transition count 140
Ensure Unique test removed 1 transitions
Reduce isomorphic transitions removed 1 transitions.
Iterating post reduction 17 with 1 rules applied. Total rules applied 3638 place count 66 transition count 139
Drop transitions removed 2 transitions
Redundant transition composition rules discarded 2 transitions
Iterating global reduction 18 with 2 rules applied. Total rules applied 3640 place count 66 transition count 137
Free-agglomeration rule applied 4 times.
Iterating global reduction 18 with 4 rules applied. Total rules applied 3644 place count 66 transition count 133
Reduce places removed 4 places and 0 transitions.
Drop transitions removed 2 transitions
Reduce isomorphic transitions removed 2 transitions.
Iterating post reduction 18 with 6 rules applied. Total rules applied 3650 place count 62 transition count 131
Drop transitions removed 1 transitions
Redundant transition composition rules discarded 1 transitions
Iterating global reduction 19 with 1 rules applied. Total rules applied 3651 place count 62 transition count 130
Partial Free-agglomeration rule applied 1 times.
Drop transitions removed 1 transitions
Iterating global reduction 19 with 1 rules applied. Total rules applied 3652 place count 62 transition count 130
Reduce places removed 1 places and 1 transitions.
Iterating global reduction 19 with 1 rules applied. Total rules applied 3653 place count 61 transition count 129
Applied a total of 3653 rules in 256 ms. Remains 61 /2585 variables (removed 2524) and now considering 129/3095 (removed 2966) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 257 ms. Remains : 61/2585 places, 129/3095 transitions.
Normalized transition count is 124 out of 129 initially.
// Phase 1: matrix 124 rows 61 cols
[2023-03-07 23:18:05] [INFO ] Computed 4 place invariants in 2 ms
Incomplete random walk after 1000000 steps, including 16889 resets, run finished after 923 ms. (steps per millisecond=1083 ) properties (out of 11) seen :10
FORMULA CloudReconfiguration-PT-311-UpperBounds-14 1 TECHNIQUES TOPOLOGICAL RANDOM_WALK
FORMULA CloudReconfiguration-PT-311-UpperBounds-13 1 TECHNIQUES TOPOLOGICAL RANDOM_WALK
FORMULA CloudReconfiguration-PT-311-UpperBounds-11 1 TECHNIQUES TOPOLOGICAL RANDOM_WALK
FORMULA CloudReconfiguration-PT-311-UpperBounds-10 1 TECHNIQUES TOPOLOGICAL RANDOM_WALK
FORMULA CloudReconfiguration-PT-311-UpperBounds-09 1 TECHNIQUES TOPOLOGICAL RANDOM_WALK
FORMULA CloudReconfiguration-PT-311-UpperBounds-08 1 TECHNIQUES TOPOLOGICAL RANDOM_WALK
FORMULA CloudReconfiguration-PT-311-UpperBounds-04 1 TECHNIQUES TOPOLOGICAL RANDOM_WALK
FORMULA CloudReconfiguration-PT-311-UpperBounds-03 1 TECHNIQUES TOPOLOGICAL RANDOM_WALK
FORMULA CloudReconfiguration-PT-311-UpperBounds-02 1 TECHNIQUES TOPOLOGICAL RANDOM_WALK
FORMULA CloudReconfiguration-PT-311-UpperBounds-00 1 TECHNIQUES TOPOLOGICAL RANDOM_WALK
Incomplete Best-First random walk after 1000000 steps, including 4051 resets, run finished after 258 ms. (steps per millisecond=3875 ) properties (out of 1) seen :0
[2023-03-07 23:18:06] [INFO ] Flow matrix only has 124 transitions (discarded 5 similar events)
// Phase 1: matrix 124 rows 61 cols
[2023-03-07 23:18:06] [INFO ] Computed 4 place invariants in 2 ms
[2023-03-07 23:18:06] [INFO ] [Real]Absence check using 4 positive place invariants in 4 ms returned sat
[2023-03-07 23:18:06] [INFO ] [Real]Adding state equation constraints to refine reachable states.
[2023-03-07 23:18:06] [INFO ] [Real]Absence check using state equation in 26 ms returned sat
[2023-03-07 23:18:06] [INFO ] Solution in real domain found non-integer solution.
[2023-03-07 23:18:06] [INFO ] [Nat]Absence check using 4 positive place invariants in 1 ms returned sat
[2023-03-07 23:18:06] [INFO ] [Nat]Adding state equation constraints to refine reachable states.
[2023-03-07 23:18:06] [INFO ] [Nat]Absence check using state equation in 17 ms returned sat
[2023-03-07 23:18:06] [INFO ] State equation strengthened by 2 read => feed constraints.
[2023-03-07 23:18:06] [INFO ] [Nat]Added 2 Read/Feed constraints in 1 ms returned sat
[2023-03-07 23:18:06] [INFO ] Deduced a trap composed of 15 places in 34 ms of which 6 ms to minimize.
[2023-03-07 23:18:06] [INFO ] Trap strengthening procedure managed to obtain unsat after adding 1 trap constraints in 39 ms
Current structural bounds on expressions (after SMT) : [0] Max seen :[0]
FORMULA CloudReconfiguration-PT-311-UpperBounds-01 0 TECHNIQUES TOPOLOGICAL SAT_SMT RANDOM_WALK
All properties solved without resorting to model-checking.
Total runtime 76390 ms.
ITS solved all properties within timeout
BK_STOP 1678231087658
--------------------
content from stderr:
+ ulimit -s 65536
+ [[ -z '' ]]
+ export LTSMIN_MEM_SIZE=8589934592
+ LTSMIN_MEM_SIZE=8589934592
+ export PYTHONPATH=/home/mcc/BenchKit/itstools/pylibs
+ PYTHONPATH=/home/mcc/BenchKit/itstools/pylibs
+ export LD_LIBRARY_PATH=/home/mcc/BenchKit/itstools/pylibs:
+ LD_LIBRARY_PATH=/home/mcc/BenchKit/itstools/pylibs:
++ sed s/.jar//
++ ls /home/mcc/BenchKit/bin//../reducer/bin//../../itstools//itstools/plugins/fr.lip6.move.gal.application.pnmcc_1.0.0.202303021504.jar
++ perl -pe 's/.*\.//g'
+ VERSION=202303021504
+ echo 'Running Version 202303021504'
+ /home/mcc/BenchKit/bin//../reducer/bin//../../itstools//itstools/its-tools -pnfolder /home/mcc/execution -examination UpperBounds -timeout 360 -rebuildPNML
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="CloudReconfiguration-PT-311"
export BK_EXAMINATION="UpperBounds"
export BK_TOOL="lolaxred"
export BK_RESULT_DIR="/tmp/BK_RESULTS/OUTPUTS"
export BK_TIME_CONFINEMENT="3600"
export BK_MEMORY_CONFINEMENT="16384"
export BK_BIN_PATH="/home/mcc/BenchKit/bin/"
# this is specific to your benchmark or test
export BIN_DIR="$HOME/BenchKit/bin"
# remove the execution directoty if it exists (to avoid increse of .vmdk images)
if [ -d execution ] ; then
rm -rf execution
fi
# this is for BenchKit: explicit launching of the test
echo "====================================================================="
echo " Generated by BenchKit 2-5348"
echo " Executing tool lolaxred"
echo " Input is CloudReconfiguration-PT-311, examination is UpperBounds"
echo " Time confinement is $BK_TIME_CONFINEMENT seconds"
echo " Memory confinement is 16384 MBytes"
echo " Number of cores is 4"
echo " Run identifier is r103-tall-167814477900085"
echo "====================================================================="
echo
echo "--------------------"
echo "preparation of the directory to be used:"
tar xzf /home/mcc/BenchKit/INPUTS/CloudReconfiguration-PT-311.tgz
mv CloudReconfiguration-PT-311 execution
cd execution
if [ "UpperBounds" = "ReachabilityDeadlock" ] || [ "UpperBounds" = "UpperBounds" ] || [ "UpperBounds" = "QuasiLiveness" ] || [ "UpperBounds" = "StableMarking" ] || [ "UpperBounds" = "Liveness" ] || [ "UpperBounds" = "OneSafe" ] || [ "UpperBounds" = "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 [ "UpperBounds" = "UpperBounds" ] ; then
echo "The expected result is a vector of positive values"
echo NUM_VECTOR
elif [ "UpperBounds" != "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 "UpperBounds.txt" ] ; then
echo "here is the order used to build the result vector(from text file)"
for x in $(grep Property UpperBounds.txt | cut -d ' ' -f 2 | sort -u) ; do
echo "FORMULA_NAME $x"
done
elif [ -f "UpperBounds.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 [ "UpperBounds" = "ReachabilityDeadlock" ] || [ "UpperBounds" = "QuasiLiveness" ] || [ "UpperBounds" = "StableMarking" ] || [ "UpperBounds" = "Liveness" ] || [ "UpperBounds" = "OneSafe" ] ; then
echo "FORMULA_NAME UpperBounds"
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 ;