About the Execution of Marcie+red for MultiCrashLeafsetExtension-PT-S24C10
| Execution Summary | |||||
| Max Memory Used (MB) |
Time wait (ms) | CPU Usage (ms) | I/O Wait (ms) | Computed Result | Execution Status |
| 6337.195 | 3600000.00 | 3672495.00 | 9613.30 | F?TFFFFTFTTT??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.r234-tall-167856420900870.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 marciexred
Input is MultiCrashLeafsetExtension-PT-S24C10, examination is ReachabilityCardinality
Time confinement is 3600 seconds
Memory confinement is 16384 MBytes
Number of cores is 4
Run identifier is r234-tall-167856420900870
=====================================================================
--------------------
preparation of the directory to be used:
/home/mcc/execution
total 18M
-rw-r--r-- 1 mcc users 11K Feb 26 02:29 CTLCardinality.txt
-rw-r--r-- 1 mcc users 66K Feb 26 02:29 CTLCardinality.xml
-rw-r--r-- 1 mcc users 13K Feb 26 02:22 CTLFireability.txt
-rw-r--r-- 1 mcc users 73K Feb 26 02:22 CTLFireability.xml
-rw-r--r-- 1 mcc users 6.4K Feb 25 16:25 LTLCardinality.txt
-rw-r--r-- 1 mcc users 27K Feb 25 16:25 LTLCardinality.xml
-rw-r--r-- 1 mcc users 4.5K Feb 25 16:25 LTLFireability.txt
-rw-r--r-- 1 mcc users 19K Feb 25 16:25 LTLFireability.xml
-rw-r--r-- 1 mcc users 21K Feb 26 02:40 ReachabilityCardinality.txt
-rw-r--r-- 1 mcc users 118K Feb 26 02:40 ReachabilityCardinality.xml
-rw-r--r-- 1 mcc users 16K Feb 26 02:37 ReachabilityFireability.txt
-rw-r--r-- 1 mcc users 70K Feb 26 02:37 ReachabilityFireability.xml
-rw-r--r-- 1 mcc users 2.5K Feb 25 16:25 UpperBounds.txt
-rw-r--r-- 1 mcc users 4.5K Feb 25 16:25 UpperBounds.xml
-rw-r--r-- 1 mcc users 6 Mar 5 18:22 equiv_col
-rw-r--r-- 1 mcc users 7 Mar 5 18:22 instance
-rw-r--r-- 1 mcc users 6 Mar 5 18:22 iscolored
-rw-r--r-- 1 mcc users 18M Mar 5 18:22 model.pnml
--------------------
content from stdout:
=== Data for post analysis generated by BenchKit (invocation template)
The expected result is a vector of booleans
BOOL_VECTOR
here is the order used to build the result vector(from text file)
FORMULA_NAME MultiCrashLeafsetExtension-PT-S24C10-ReachabilityCardinality-00
FORMULA_NAME MultiCrashLeafsetExtension-PT-S24C10-ReachabilityCardinality-01
FORMULA_NAME MultiCrashLeafsetExtension-PT-S24C10-ReachabilityCardinality-02
FORMULA_NAME MultiCrashLeafsetExtension-PT-S24C10-ReachabilityCardinality-03
FORMULA_NAME MultiCrashLeafsetExtension-PT-S24C10-ReachabilityCardinality-04
FORMULA_NAME MultiCrashLeafsetExtension-PT-S24C10-ReachabilityCardinality-05
FORMULA_NAME MultiCrashLeafsetExtension-PT-S24C10-ReachabilityCardinality-06
FORMULA_NAME MultiCrashLeafsetExtension-PT-S24C10-ReachabilityCardinality-07
FORMULA_NAME MultiCrashLeafsetExtension-PT-S24C10-ReachabilityCardinality-08
FORMULA_NAME MultiCrashLeafsetExtension-PT-S24C10-ReachabilityCardinality-09
FORMULA_NAME MultiCrashLeafsetExtension-PT-S24C10-ReachabilityCardinality-10
FORMULA_NAME MultiCrashLeafsetExtension-PT-S24C10-ReachabilityCardinality-11
FORMULA_NAME MultiCrashLeafsetExtension-PT-S24C10-ReachabilityCardinality-12
FORMULA_NAME MultiCrashLeafsetExtension-PT-S24C10-ReachabilityCardinality-13
FORMULA_NAME MultiCrashLeafsetExtension-PT-S24C10-ReachabilityCardinality-14
FORMULA_NAME MultiCrashLeafsetExtension-PT-S24C10-ReachabilityCardinality-15
=== Now, execution of the tool begins
BK_START 1679630611250
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=marciexred
BK_EXAMINATION=ReachabilityCardinality
BK_BIN_PATH=/home/mcc/BenchKit/bin/
BK_TIME_CONFINEMENT=3600
BK_INPUT=MultiCrashLeafsetExtension-PT-S24C10
Applying reductions before tool marcie
Invoking reducer
Running Version 202303021504
[2023-03-24 04:03:32] [INFO ] Running its-tools with arguments : [-pnfolder, /home/mcc/execution, -examination, ReachabilityCardinality, -timeout, 360, -rebuildPNML]
[2023-03-24 04:03:32] [INFO ] Parsing pnml file : /home/mcc/execution/model.pnml
[2023-03-24 04:03:33] [INFO ] Load time of PNML (sax parser for PT used): 622 ms
[2023-03-24 04:03:33] [INFO ] Transformed 17896 places.
[2023-03-24 04:03:33] [INFO ] Transformed 26071 transitions.
[2023-03-24 04:03:33] [INFO ] Parsed PT model containing 17896 places and 26071 transitions and 96710 arcs in 819 ms.
Parsed 16 properties from file /home/mcc/execution/ReachabilityCardinality.xml in 32 ms.
Working with output stream class java.io.PrintStream
Incomplete random walk after 10000 steps, including 97 resets, run finished after 854 ms. (steps per millisecond=11 ) properties (out of 16) seen :0
Incomplete Best-First random walk after 1001 steps, including 2 resets, run finished after 22 ms. (steps per millisecond=45 ) properties (out of 16) seen :0
Incomplete Best-First random walk after 1001 steps, including 2 resets, run finished after 33 ms. (steps per millisecond=30 ) properties (out of 16) seen :0
Incomplete Best-First random walk after 1001 steps, including 2 resets, run finished after 14 ms. (steps per millisecond=71 ) properties (out of 16) seen :0
Incomplete Best-First random walk after 1001 steps, including 2 resets, run finished after 17 ms. (steps per millisecond=58 ) properties (out of 16) seen :0
Incomplete Best-First random walk after 1001 steps, including 2 resets, run finished after 19 ms. (steps per millisecond=52 ) properties (out of 16) seen :0
Incomplete Best-First random walk after 1001 steps, including 2 resets, run finished after 13 ms. (steps per millisecond=77 ) properties (out of 16) seen :0
Incomplete Best-First random walk after 1001 steps, including 2 resets, run finished after 16 ms. (steps per millisecond=62 ) properties (out of 16) seen :0
Incomplete Best-First random walk after 1001 steps, including 2 resets, run finished after 13 ms. (steps per millisecond=77 ) properties (out of 16) seen :0
Incomplete Best-First random walk after 1001 steps, including 2 resets, run finished after 14 ms. (steps per millisecond=71 ) properties (out of 16) seen :0
Incomplete Best-First random walk after 1001 steps, including 2 resets, run finished after 15 ms. (steps per millisecond=66 ) properties (out of 16) seen :0
Incomplete Best-First random walk after 1001 steps, including 2 resets, run finished after 13 ms. (steps per millisecond=77 ) properties (out of 16) seen :0
Incomplete Best-First random walk after 1001 steps, including 2 resets, run finished after 12 ms. (steps per millisecond=83 ) properties (out of 16) seen :0
Incomplete Best-First random walk after 1001 steps, including 2 resets, run finished after 15 ms. (steps per millisecond=66 ) properties (out of 16) seen :0
Incomplete Best-First random walk after 1001 steps, including 2 resets, run finished after 14 ms. (steps per millisecond=71 ) properties (out of 16) seen :0
Incomplete Best-First random walk after 1001 steps, including 2 resets, run finished after 14 ms. (steps per millisecond=71 ) properties (out of 16) seen :0
Incomplete Best-First random walk after 1001 steps, including 2 resets, run finished after 12 ms. (steps per millisecond=83 ) properties (out of 16) seen :0
Interrupted probabilistic random walk after 9432 steps, run timeout after 3001 ms. (steps per millisecond=3 ) properties seen :{}
Probabilistic random walk after 9432 steps, saw 4637 distinct states, run finished after 3005 ms. (steps per millisecond=3 ) properties seen :0
Running SMT prover for 16 properties.
[2023-03-24 04:03:38] [INFO ] Flow matrix only has 25471 transitions (discarded 600 similar events)
// Phase 1: matrix 25471 rows 17896 cols
[2023-03-24 04:03:40] [INFO ] Computed 1245 place invariants in 2434 ms
[2023-03-24 04:03:46] [INFO ] After 5839ms SMT Verify possible using all constraints in real domain returned unsat :0 sat :0 real:16
[2023-03-24 04:03:51] [INFO ] [Nat]Absence check using 74 positive place invariants in 158 ms returned sat
[2023-03-24 04:03:53] [INFO ] [Nat]Absence check using 74 positive and 1171 generalized place invariants in 1149 ms returned sat
[2023-03-24 04:04:11] [INFO ] After 16993ms SMT Verify possible using state equation in natural domain returned unsat :10 sat :5
[2023-03-24 04:04:11] [INFO ] State equation strengthened by 8002 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:350)
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.Application.startNoEx(Application.java:902)
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)
[2023-03-24 04:04:11] [WARNING] SMT solver failed with error :SMT solver raised an error when submitting script.... while checking expressions.
[2023-03-24 04:04:11] [INFO ] After 25205ms SMT Verify possible using all constraints in natural domain returned unsat :0 sat :0 real:16
FORMULA MultiCrashLeafsetExtension-PT-S24C10-ReachabilityCardinality-14 TRUE TECHNIQUES STRUCTURAL_REDUCTION TOPOLOGICAL SAT_SMT
FORMULA MultiCrashLeafsetExtension-PT-S24C10-ReachabilityCardinality-11 TRUE TECHNIQUES STRUCTURAL_REDUCTION TOPOLOGICAL SAT_SMT
FORMULA MultiCrashLeafsetExtension-PT-S24C10-ReachabilityCardinality-10 TRUE TECHNIQUES STRUCTURAL_REDUCTION TOPOLOGICAL SAT_SMT
FORMULA MultiCrashLeafsetExtension-PT-S24C10-ReachabilityCardinality-09 TRUE TECHNIQUES STRUCTURAL_REDUCTION TOPOLOGICAL SAT_SMT
FORMULA MultiCrashLeafsetExtension-PT-S24C10-ReachabilityCardinality-07 TRUE TECHNIQUES STRUCTURAL_REDUCTION TOPOLOGICAL SAT_SMT
FORMULA MultiCrashLeafsetExtension-PT-S24C10-ReachabilityCardinality-06 FALSE TECHNIQUES STRUCTURAL_REDUCTION TOPOLOGICAL SAT_SMT
FORMULA MultiCrashLeafsetExtension-PT-S24C10-ReachabilityCardinality-05 FALSE TECHNIQUES STRUCTURAL_REDUCTION TOPOLOGICAL SAT_SMT
FORMULA MultiCrashLeafsetExtension-PT-S24C10-ReachabilityCardinality-04 FALSE TECHNIQUES STRUCTURAL_REDUCTION TOPOLOGICAL SAT_SMT
FORMULA MultiCrashLeafsetExtension-PT-S24C10-ReachabilityCardinality-03 FALSE TECHNIQUES STRUCTURAL_REDUCTION TOPOLOGICAL SAT_SMT
FORMULA MultiCrashLeafsetExtension-PT-S24C10-ReachabilityCardinality-02 TRUE TECHNIQUES STRUCTURAL_REDUCTION TOPOLOGICAL SAT_SMT
Fused 16 Parikh solutions to 1 different solutions.
Parikh walk visited 0 properties in 0 ms.
Support contains 95 out of 17896 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 17896/17896 places, 26071/26071 transitions.
Graph (complete) has 56805 edges and 17896 vertex of which 17848 are kept as prefixes of interest. Removing 48 places using SCC suffix rule.44 ms
Discarding 48 places :
Also discarding 0 output transitions
Drop transitions removed 5916 transitions
Trivial Post-agglo rules discarded 5916 transitions
Performed 5916 trivial Post agglomeration. Transition count delta: 5916
Iterating post reduction 0 with 5916 rules applied. Total rules applied 5917 place count 17848 transition count 20155
Reduce places removed 5916 places and 0 transitions.
Performed 49 Post agglomeration using F-continuation condition.Transition count delta: 49
Iterating post reduction 1 with 5965 rules applied. Total rules applied 11882 place count 11932 transition count 20106
Reduce places removed 49 places and 0 transitions.
Iterating post reduction 2 with 49 rules applied. Total rules applied 11931 place count 11883 transition count 20106
Performed 498 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 3 with 498 Pre rules applied. Total rules applied 11931 place count 11883 transition count 19608
Deduced a syphon composed of 498 places in 22 ms
Reduce places removed 498 places and 0 transitions.
Iterating global reduction 3 with 996 rules applied. Total rules applied 12927 place count 11385 transition count 19608
Discarding 5428 places :
Symmetric choice reduction at 3 with 5428 rule applications. Total rules 18355 place count 5957 transition count 14180
Iterating global reduction 3 with 5428 rules applied. Total rules applied 23783 place count 5957 transition count 14180
Discarding 480 places :
Symmetric choice reduction at 3 with 480 rule applications. Total rules 24263 place count 5477 transition count 9380
Iterating global reduction 3 with 480 rules applied. Total rules applied 24743 place count 5477 transition count 9380
Performed 25 Post agglomeration using F-continuation condition.Transition count delta: 25
Deduced a syphon composed of 25 places in 6 ms
Reduce places removed 25 places and 0 transitions.
Iterating global reduction 3 with 50 rules applied. Total rules applied 24793 place count 5452 transition count 9355
Free-agglomeration rule (complex) applied 399 times.
Iterating global reduction 3 with 399 rules applied. Total rules applied 25192 place count 5452 transition count 13006
Reduce places removed 399 places and 0 transitions.
Iterating post reduction 3 with 399 rules applied. Total rules applied 25591 place count 5053 transition count 13006
Partial Free-agglomeration rule applied 499 times.
Drop transitions removed 499 transitions
Iterating global reduction 4 with 499 rules applied. Total rules applied 26090 place count 5053 transition count 13006
Applied a total of 26090 rules in 6507 ms. Remains 5053 /17896 variables (removed 12843) and now considering 13006/26071 (removed 13065) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 6513 ms. Remains : 5053/17896 places, 13006/26071 transitions.
Incomplete random walk after 10000 steps, including 160 resets, run finished after 789 ms. (steps per millisecond=12 ) properties (out of 6) seen :0
Incomplete Best-First random walk after 10001 steps, including 21 resets, run finished after 129 ms. (steps per millisecond=77 ) properties (out of 6) seen :0
Incomplete Best-First random walk after 10001 steps, including 21 resets, run finished after 126 ms. (steps per millisecond=79 ) properties (out of 6) seen :0
Incomplete Best-First random walk after 10000 steps, including 21 resets, run finished after 106 ms. (steps per millisecond=94 ) properties (out of 6) seen :0
Incomplete Best-First random walk after 10001 steps, including 21 resets, run finished after 112 ms. (steps per millisecond=89 ) properties (out of 6) seen :1
FORMULA MultiCrashLeafsetExtension-PT-S24C10-ReachabilityCardinality-08 FALSE TECHNIQUES TOPOLOGICAL BESTFIRST_WALK
Incomplete Best-First random walk after 10001 steps, including 21 resets, run finished after 108 ms. (steps per millisecond=92 ) properties (out of 5) seen :0
Incomplete Best-First random walk after 10001 steps, including 21 resets, run finished after 103 ms. (steps per millisecond=97 ) properties (out of 5) seen :0
Running SMT prover for 5 properties.
[2023-03-24 04:04:19] [INFO ] Flow matrix only has 12122 transitions (discarded 884 similar events)
// Phase 1: matrix 12122 rows 5053 cols
[2023-03-24 04:04:20] [INFO ] Computed 1197 place invariants in 391 ms
[2023-03-24 04:04:21] [INFO ] After 687ms SMT Verify possible using all constraints in real domain returned unsat :0 sat :0 real:5
[2023-03-24 04:04:21] [INFO ] [Nat]Absence check using 49 positive place invariants in 87 ms returned sat
[2023-03-24 04:04:22] [INFO ] [Nat]Absence check using 49 positive and 1148 generalized place invariants in 336 ms returned sat
[2023-03-24 04:04:34] [INFO ] After 11992ms SMT Verify possible using state equation in natural domain returned unsat :0 sat :5
[2023-03-24 04:04:34] [INFO ] State equation strengthened by 7732 read => feed constraints.
[2023-03-24 04:04:46] [INFO ] After 11318ms SMT Verify possible using 7732 Read/Feed constraints in natural domain returned unsat :1 sat :3
[2023-03-24 04:04:46] [INFO ] After 11322ms SMT Verify possible using trap constraints in natural domain returned unsat :1 sat :3
Attempting to minimize the solution found.
Minimization took 4 ms.
[2023-03-24 04:04:46] [INFO ] After 25055ms SMT Verify possible using all constraints in natural domain returned unsat :1 sat :3
FORMULA MultiCrashLeafsetExtension-PT-S24C10-ReachabilityCardinality-00 FALSE TECHNIQUES STRUCTURAL_REDUCTION TOPOLOGICAL SAT_SMT
Fused 5 Parikh solutions to 4 different solutions.
Parikh walk visited 0 properties in 53 ms.
Support contains 61 out of 5053 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 5053/5053 places, 13006/13006 transitions.
Drop transitions removed 13 transitions
Trivial Post-agglo rules discarded 13 transitions
Performed 13 trivial Post agglomeration. Transition count delta: 13
Iterating post reduction 0 with 13 rules applied. Total rules applied 13 place count 5053 transition count 12993
Reduce places removed 13 places and 0 transitions.
Iterating post reduction 1 with 13 rules applied. Total rules applied 26 place count 5040 transition count 12993
Performed 1 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 2 with 1 Pre rules applied. Total rules applied 26 place count 5040 transition count 12992
Deduced a syphon composed of 1 places in 9 ms
Reduce places removed 1 places and 0 transitions.
Iterating global reduction 2 with 2 rules applied. Total rules applied 28 place count 5039 transition count 12992
Free-agglomeration rule (complex) applied 9 times.
Iterating global reduction 2 with 9 rules applied. Total rules applied 37 place count 5039 transition count 13163
Reduce places removed 9 places and 0 transitions.
Iterating post reduction 2 with 9 rules applied. Total rules applied 46 place count 5030 transition count 13163
Discarding 3 places :
Symmetric choice reduction at 3 with 3 rule applications. Total rules 49 place count 5027 transition count 13160
Iterating global reduction 3 with 3 rules applied. Total rules applied 52 place count 5027 transition count 13160
Partial Free-agglomeration rule applied 20 times.
Drop transitions removed 20 transitions
Iterating global reduction 3 with 20 rules applied. Total rules applied 72 place count 5027 transition count 13160
Discarding 20 places :
Symmetric choice reduction at 3 with 20 rule applications. Total rules 92 place count 5007 transition count 13140
Iterating global reduction 3 with 20 rules applied. Total rules applied 112 place count 5007 transition count 13140
Applied a total of 112 rules in 3245 ms. Remains 5007 /5053 variables (removed 46) and now considering 13140/13006 (removed -134) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 3245 ms. Remains : 5007/5053 places, 13140/13006 transitions.
Incomplete random walk after 10000 steps, including 161 resets, run finished after 826 ms. (steps per millisecond=12 ) properties (out of 4) seen :0
Incomplete Best-First random walk after 10001 steps, including 21 resets, run finished after 122 ms. (steps per millisecond=81 ) properties (out of 4) seen :0
Incomplete Best-First random walk after 10001 steps, including 21 resets, run finished after 122 ms. (steps per millisecond=81 ) properties (out of 4) seen :0
Incomplete Best-First random walk after 10000 steps, including 21 resets, run finished after 121 ms. (steps per millisecond=82 ) properties (out of 4) seen :0
Incomplete Best-First random walk after 10000 steps, including 21 resets, run finished after 112 ms. (steps per millisecond=89 ) properties (out of 4) seen :0
Interrupted probabilistic random walk after 19964 steps, run timeout after 3001 ms. (steps per millisecond=6 ) properties seen :{}
Probabilistic random walk after 19964 steps, saw 9331 distinct states, run finished after 3001 ms. (steps per millisecond=6 ) properties seen :0
Running SMT prover for 4 properties.
[2023-03-24 04:04:53] [INFO ] Flow matrix only has 12254 transitions (discarded 886 similar events)
// Phase 1: matrix 12254 rows 5007 cols
[2023-03-24 04:04:54] [INFO ] Computed 1197 place invariants in 363 ms
[2023-03-24 04:04:54] [INFO ] After 726ms SMT Verify possible using all constraints in real domain returned unsat :0 sat :0 real:4
[2023-03-24 04:04:55] [INFO ] [Nat]Absence check using 49 positive place invariants in 110 ms returned sat
[2023-03-24 04:04:55] [INFO ] [Nat]Absence check using 49 positive and 1148 generalized place invariants in 348 ms returned sat
[2023-03-24 04:05:08] [INFO ] After 12189ms SMT Verify possible using state equation in natural domain returned unsat :0 sat :4
[2023-03-24 04:05:08] [INFO ] State equation strengthened by 7912 read => feed constraints.
[2023-03-24 04:05:19] [INFO ] After 11263ms SMT Verify possible using 7912 Read/Feed constraints in natural domain returned unsat :0 sat :3
[2023-03-24 04:05:19] [INFO ] After 11267ms SMT Verify possible using trap constraints in natural domain returned unsat :0 sat :3
Attempting to minimize the solution found.
Minimization took 7 ms.
[2023-03-24 04:05:19] [INFO ] After 25056ms SMT Verify possible using all constraints in natural domain returned unsat :0 sat :3
Parikh walk visited 0 properties in 13 ms.
Support contains 61 out of 5007 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 5007/5007 places, 13140/13140 transitions.
Applied a total of 0 rules in 797 ms. Remains 5007 /5007 variables (removed 0) and now considering 13140/13140 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 797 ms. Remains : 5007/5007 places, 13140/13140 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 5007/5007 places, 13140/13140 transitions.
Applied a total of 0 rules in 774 ms. Remains 5007 /5007 variables (removed 0) and now considering 13140/13140 (removed 0) transitions.
[2023-03-24 04:05:21] [INFO ] Flow matrix only has 12254 transitions (discarded 886 similar events)
[2023-03-24 04:05:21] [INFO ] Invariant cache hit.
[2023-03-24 04:05:26] [INFO ] Implicit Places using invariants in 4732 ms returned []
Implicit Place search using SMT only with invariants took 4734 ms to find 0 implicit places.
[2023-03-24 04:05:26] [INFO ] Flow matrix only has 12254 transitions (discarded 886 similar events)
[2023-03-24 04:05:26] [INFO ] Invariant cache hit.
[2023-03-24 04:05:33] [INFO ] Dead Transitions using invariants and state equation in 7700 ms found 0 transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 13212 ms. Remains : 5007/5007 places, 13140/13140 transitions.
Graph (trivial) has 3514 edges and 5007 vertex of which 25 / 5007 are part of one of the 1 SCC in 17 ms
Free SCC test removed 24 places
Drop transitions removed 644 transitions
Ensure Unique test removed 842 transitions
Reduce isomorphic transitions removed 1486 transitions.
Graph (complete) has 47429 edges and 4983 vertex of which 4961 are kept as prefixes of interest. Removing 22 places using SCC suffix rule.6 ms
Discarding 22 places :
Also discarding 0 output transitions
Ensure Unique test removed 385 places
Discarding 1 places :
Also discarding 1 output transitions
Drop transitions removed 1 transitions
Remove reverse transitions (loop back) rule discarded transition Node10DetectsThatNode13CanReplaceNode12.Node13IsBecomingTheNewNodeMaster and 1 places that fell out of Prefix Of Interest.
Drop transitions removed 1 transitions
Reduce isomorphic transitions removed 1 transitions.
Drop transitions removed 237 transitions
Trivial Post-agglo rules discarded 237 transitions
Performed 237 trivial Post agglomeration. Transition count delta: 237
Iterating post reduction 0 with 239 rules applied. Total rules applied 241 place count 4575 transition count 11415
Ensure Unique test removed 1 places
Reduce places removed 238 places and 0 transitions.
Drop transitions removed 1 transitions
Ensure Unique test removed 236 transitions
Reduce isomorphic transitions removed 237 transitions.
Drop transitions removed 236 transitions
Trivial Post-agglo rules discarded 236 transitions
Performed 236 trivial Post agglomeration. Transition count delta: 236
Iterating post reduction 1 with 711 rules applied. Total rules applied 952 place count 4337 transition count 10942
Ensure Unique test removed 1 places
Reduce places removed 237 places and 0 transitions.
Drop transitions removed 39 transitions
Ensure Unique test removed 197 transitions
Reduce isomorphic transitions removed 236 transitions.
Drop transitions removed 197 transitions
Trivial Post-agglo rules discarded 197 transitions
Performed 197 trivial Post agglomeration. Transition count delta: 197
Iterating post reduction 2 with 670 rules applied. Total rules applied 1622 place count 4100 transition count 10509
Ensure Unique test removed 39 places
Reduce places removed 236 places and 0 transitions.
Drop transitions removed 2 transitions
Ensure Unique test removed 195 transitions
Reduce isomorphic transitions removed 197 transitions.
Drop transitions removed 193 transitions
Trivial Post-agglo rules discarded 193 transitions
Performed 193 trivial Post agglomeration. Transition count delta: 193
Iterating post reduction 3 with 626 rules applied. Total rules applied 2248 place count 3864 transition count 10119
Ensure Unique test removed 2 places
Reduce places removed 195 places and 0 transitions.
Drop transitions removed 36 transitions
Ensure Unique test removed 157 transitions
Reduce isomorphic transitions removed 193 transitions.
Drop transitions removed 157 transitions
Trivial Post-agglo rules discarded 157 transitions
Performed 157 trivial Post agglomeration. Transition count delta: 157
Iterating post reduction 4 with 545 rules applied. Total rules applied 2793 place count 3669 transition count 9769
Ensure Unique test removed 36 places
Reduce places removed 193 places and 0 transitions.
Drop transitions removed 2 transitions
Ensure Unique test removed 155 transitions
Reduce isomorphic transitions removed 157 transitions.
Drop transitions removed 154 transitions
Trivial Post-agglo rules discarded 154 transitions
Performed 154 trivial Post agglomeration. Transition count delta: 154
Iterating post reduction 5 with 504 rules applied. Total rules applied 3297 place count 3476 transition count 9458
Ensure Unique test removed 2 places
Reduce places removed 156 places and 0 transitions.
Drop transitions removed 32 transitions
Ensure Unique test removed 122 transitions
Reduce isomorphic transitions removed 154 transitions.
Drop transitions removed 121 transitions
Trivial Post-agglo rules discarded 121 transitions
Performed 121 trivial Post agglomeration. Transition count delta: 121
Iterating post reduction 6 with 431 rules applied. Total rules applied 3728 place count 3320 transition count 9183
Ensure Unique test removed 32 places
Reduce places removed 153 places and 0 transitions.
Drop transitions removed 2 transitions
Ensure Unique test removed 119 transitions
Reduce isomorphic transitions removed 121 transitions.
Drop transitions removed 119 transitions
Trivial Post-agglo rules discarded 119 transitions
Performed 119 trivial Post agglomeration. Transition count delta: 119
Iterating post reduction 7 with 393 rules applied. Total rules applied 4121 place count 3167 transition count 8943
Ensure Unique test removed 2 places
Reduce places removed 121 places and 0 transitions.
Drop transitions removed 26 transitions
Ensure Unique test removed 93 transitions
Reduce isomorphic transitions removed 119 transitions.
Drop transitions removed 93 transitions
Trivial Post-agglo rules discarded 93 transitions
Performed 93 trivial Post agglomeration. Transition count delta: 93
Iterating post reduction 8 with 333 rules applied. Total rules applied 4454 place count 3046 transition count 8731
Ensure Unique test removed 26 places
Reduce places removed 119 places and 0 transitions.
Drop transitions removed 2 transitions
Ensure Unique test removed 91 transitions
Reduce isomorphic transitions removed 93 transitions.
Drop transitions removed 91 transitions
Trivial Post-agglo rules discarded 91 transitions
Performed 91 trivial Post agglomeration. Transition count delta: 91
Iterating post reduction 9 with 303 rules applied. Total rules applied 4757 place count 2927 transition count 8547
Ensure Unique test removed 2 places
Reduce places removed 93 places and 0 transitions.
Drop transitions removed 23 transitions
Ensure Unique test removed 68 transitions
Reduce isomorphic transitions removed 91 transitions.
Drop transitions removed 68 transitions
Trivial Post-agglo rules discarded 68 transitions
Performed 68 trivial Post agglomeration. Transition count delta: 68
Iterating post reduction 10 with 252 rules applied. Total rules applied 5009 place count 2834 transition count 8388
Ensure Unique test removed 23 places
Reduce places removed 91 places and 0 transitions.
Drop transitions removed 2 transitions
Ensure Unique test removed 66 transitions
Reduce isomorphic transitions removed 68 transitions.
Drop transitions removed 65 transitions
Trivial Post-agglo rules discarded 65 transitions
Performed 65 trivial Post agglomeration. Transition count delta: 65
Iterating post reduction 11 with 224 rules applied. Total rules applied 5233 place count 2743 transition count 8255
Ensure Unique test removed 2 places
Reduce places removed 67 places and 0 transitions.
Drop transitions removed 20 transitions
Ensure Unique test removed 45 transitions
Reduce isomorphic transitions removed 65 transitions.
Drop transitions removed 45 transitions
Trivial Post-agglo rules discarded 45 transitions
Performed 45 trivial Post agglomeration. Transition count delta: 45
Iterating post reduction 12 with 177 rules applied. Total rules applied 5410 place count 2676 transition count 8145
Ensure Unique test removed 20 places
Reduce places removed 65 places and 0 transitions.
Drop transitions removed 2 transitions
Ensure Unique test removed 43 transitions
Reduce isomorphic transitions removed 45 transitions.
Drop transitions removed 43 transitions
Trivial Post-agglo rules discarded 43 transitions
Performed 43 trivial Post agglomeration. Transition count delta: 43
Iterating post reduction 13 with 153 rules applied. Total rules applied 5563 place count 2611 transition count 8057
Ensure Unique test removed 2 places
Reduce places removed 45 places and 0 transitions.
Drop transitions removed 15 transitions
Ensure Unique test removed 28 transitions
Reduce isomorphic transitions removed 43 transitions.
Drop transitions removed 28 transitions
Trivial Post-agglo rules discarded 28 transitions
Performed 28 trivial Post agglomeration. Transition count delta: 28
Iterating post reduction 14 with 116 rules applied. Total rules applied 5679 place count 2566 transition count 7986
Ensure Unique test removed 15 places
Reduce places removed 43 places and 0 transitions.
Drop transitions removed 2 transitions
Ensure Unique test removed 26 transitions
Reduce isomorphic transitions removed 28 transitions.
Drop transitions removed 26 transitions
Trivial Post-agglo rules discarded 26 transitions
Performed 26 trivial Post agglomeration. Transition count delta: 26
Iterating post reduction 15 with 97 rules applied. Total rules applied 5776 place count 2523 transition count 7932
Ensure Unique test removed 2 places
Reduce places removed 28 places and 0 transitions.
Drop transitions removed 11 transitions
Ensure Unique test removed 15 transitions
Reduce isomorphic transitions removed 26 transitions.
Drop transitions removed 15 transitions
Trivial Post-agglo rules discarded 15 transitions
Performed 15 trivial Post agglomeration. Transition count delta: 15
Iterating post reduction 16 with 69 rules applied. Total rules applied 5845 place count 2495 transition count 7891
Ensure Unique test removed 11 places
Reduce places removed 26 places and 0 transitions.
Drop transitions removed 2 transitions
Ensure Unique test removed 13 transitions
Reduce isomorphic transitions removed 15 transitions.
Drop transitions removed 13 transitions
Trivial Post-agglo rules discarded 13 transitions
Performed 13 trivial Post agglomeration. Transition count delta: 13
Iterating post reduction 17 with 54 rules applied. Total rules applied 5899 place count 2469 transition count 7863
Ensure Unique test removed 2 places
Reduce places removed 15 places and 0 transitions.
Drop transitions removed 6 transitions
Ensure Unique test removed 7 transitions
Reduce isomorphic transitions removed 13 transitions.
Drop transitions removed 7 transitions
Trivial Post-agglo rules discarded 7 transitions
Performed 7 trivial Post agglomeration. Transition count delta: 7
Iterating post reduction 18 with 35 rules applied. Total rules applied 5934 place count 2454 transition count 7843
Ensure Unique test removed 6 places
Reduce places removed 13 places and 0 transitions.
Drop transitions removed 2 transitions
Ensure Unique test removed 5 transitions
Reduce isomorphic transitions removed 7 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 19 with 25 rules applied. Total rules applied 5959 place count 2441 transition count 7831
Ensure Unique test removed 2 places
Reduce places removed 7 places and 0 transitions.
Drop transitions removed 4 transitions
Ensure Unique test removed 1 transitions
Reduce isomorphic transitions removed 5 transitions.
Drop transitions removed 1 transitions
Trivial Post-agglo rules discarded 1 transitions
Performed 1 trivial Post agglomeration. Transition count delta: 1
Iterating post reduction 20 with 13 rules applied. Total rules applied 5972 place count 2434 transition count 7825
Ensure Unique test removed 4 places
Reduce places removed 5 places and 0 transitions.
Drop transitions removed 1 transitions
Reduce isomorphic transitions removed 1 transitions.
Performed 6 Post agglomeration using F-continuation condition.Transition count delta: 6
Iterating post reduction 21 with 12 rules applied. Total rules applied 5984 place count 2429 transition count 7818
Ensure Unique test removed 1 places
Reduce places removed 7 places and 0 transitions.
Ensure Unique test removed 6 transitions
Reduce isomorphic transitions removed 6 transitions.
Iterating post reduction 22 with 13 rules applied. Total rules applied 5997 place count 2422 transition count 7812
Performed 500 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 23 with 500 Pre rules applied. Total rules applied 5997 place count 2422 transition count 7312
Deduced a syphon composed of 500 places in 2 ms
Ensure Unique test removed 453 places
Reduce places removed 953 places and 0 transitions.
Iterating global reduction 23 with 1453 rules applied. Total rules applied 7450 place count 1469 transition count 7312
Discarding 457 places :
Symmetric choice reduction at 23 with 457 rule applications. Total rules 7907 place count 1012 transition count 6855
Iterating global reduction 23 with 457 rules applied. Total rules applied 8364 place count 1012 transition count 6855
Performed 1 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 23 with 1 Pre rules applied. Total rules applied 8364 place count 1012 transition count 6854
Deduced a syphon composed of 1 places in 2 ms
Reduce places removed 1 places and 0 transitions.
Iterating global reduction 23 with 2 rules applied. Total rules applied 8366 place count 1011 transition count 6854
Discarding 156 places :
Symmetric choice reduction at 23 with 156 rule applications. Total rules 8522 place count 855 transition count 5294
Iterating global reduction 23 with 156 rules applied. Total rules applied 8678 place count 855 transition count 5294
Ensure Unique test removed 156 transitions
Reduce isomorphic transitions removed 156 transitions.
Iterating post reduction 23 with 156 rules applied. Total rules applied 8834 place count 855 transition count 5138
Performed 87 Post agglomeration using F-continuation condition.Transition count delta: 87
Deduced a syphon composed of 87 places in 0 ms
Reduce places removed 87 places and 0 transitions.
Iterating global reduction 24 with 174 rules applied. Total rules applied 9008 place count 768 transition count 5051
Drop transitions removed 63 transitions
Reduce isomorphic transitions removed 63 transitions.
Iterating post reduction 24 with 63 rules applied. Total rules applied 9071 place count 768 transition count 4988
Drop transitions removed 9 transitions
Redundant transition composition rules discarded 9 transitions
Iterating global reduction 25 with 9 rules applied. Total rules applied 9080 place count 768 transition count 4979
Free-agglomeration rule (complex) applied 29 times.
Iterating global reduction 25 with 29 rules applied. Total rules applied 9109 place count 768 transition count 4950
Reduce places removed 29 places and 0 transitions.
Iterating post reduction 25 with 29 rules applied. Total rules applied 9138 place count 739 transition count 4950
Discarding 19 places :
Symmetric choice reduction at 26 with 19 rule applications. Total rules 9157 place count 720 transition count 4760
Iterating global reduction 26 with 19 rules applied. Total rules applied 9176 place count 720 transition count 4760
Ensure Unique test removed 19 transitions
Reduce isomorphic transitions removed 19 transitions.
Iterating post reduction 26 with 19 rules applied. Total rules applied 9195 place count 720 transition count 4741
Partial Post-agglomeration rule applied 17 times.
Drop transitions removed 17 transitions
Iterating global reduction 27 with 17 rules applied. Total rules applied 9212 place count 720 transition count 4741
Applied a total of 9212 rules in 10731 ms. Remains 720 /5007 variables (removed 4287) and now considering 4741/13140 (removed 8399) transitions.
Running SMT prover for 4 properties.
// Phase 1: matrix 4741 rows 720 cols
[2023-03-24 04:05:45] [INFO ] Computed 104 place invariants in 355 ms
[2023-03-24 04:05:45] [INFO ] After 119ms SMT Verify possible using all constraints in real domain returned unsat :0 sat :0 real:4
[2023-03-24 04:05:45] [INFO ] [Nat]Absence check using 3 positive place invariants in 3 ms returned sat
[2023-03-24 04:05:45] [INFO ] [Nat]Absence check using 3 positive and 101 generalized place invariants in 21 ms returned sat
[2023-03-24 04:05:46] [INFO ] After 1252ms SMT Verify possible using state equation in natural domain returned unsat :0 sat :4
[2023-03-24 04:05:47] [INFO ] After 1997ms SMT Verify possible using trap constraints in natural domain returned unsat :0 sat :4
Attempting to minimize the solution found.
Minimization took 390 ms.
[2023-03-24 04:05:47] [INFO ] After 2573ms SMT Verify possible using all constraints in natural domain returned unsat :0 sat :4
[2023-03-24 04:05:47] [INFO ] Export to MCC of 4 properties in file /home/mcc/execution/ReachabilityCardinality.sr.xml took 4 ms.
[2023-03-24 04:05:47] [INFO ] Export to PNML in file /home/mcc/execution/model.sr.pnml of net with 5007 places, 13140 transitions and 82677 arcs took 75 ms.
[2023-03-24 04:05:49] [INFO ] Flatten gal took : 836 ms
Total runtime 136279 ms.
There are residual formulas that ITS could not solve within timeout
timeout --kill-after=10s --signal=SIGINT 1m for testing only
Marcie built on Linux at 2019-11-18.
A model checker for Generalized Stochastic Petri nets
authors: Alex Tovchigrechko (IDD package and CTL model checking)
Martin Schwarick (Symbolic numerical analysis and CSL model checking)
Christian Rohr (Simulative and approximative numerical model checking)
marcie@informatik.tu-cottbus.de
called as: /home/mcc/BenchKit/bin//../reducer/bin//../../marcie/bin/marcie --net-file=model.pnml --mcc-file=ReachabilityCardinality.xml --memory=6 --mcc-mode
parse successfull
net created successfully
Net: gen
(NrP: 5007 NrTr: 13140 NrArc: 82677)
parse formulas
formulas created successfully
place and transition orderings generation:0m17.091sec
net check time: 0m 0.016sec
init dd package: 0m 2.839sec
TIME LIMIT: Killed by timeout after 3600 seconds
MemTotal: 16393216 kB
MemFree: 9777636 kB
After kill :
MemTotal: 16393216 kB
MemFree: 16065244 kB
BK_TIME_CONFINEMENT_REACHED
--------------------
content from stderr:
+ ulimit -s 65536
+ [[ -z '' ]]
+ export LTSMIN_MEM_SIZE=8589934592
+ LTSMIN_MEM_SIZE=8589934592
+ export PYTHONPATH=/home/mcc/BenchKit/itstools/pylibs
+ PYTHONPATH=/home/mcc/BenchKit/itstools/pylibs
+ export LD_LIBRARY_PATH=/home/mcc/BenchKit/itstools/pylibs:
+ LD_LIBRARY_PATH=/home/mcc/BenchKit/itstools/pylibs:
++ sed s/.jar//
++ 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 ReachabilityCardinality -timeout 360 -rebuildPNML
check for maximal unmarked siphon
ok
check for constant places
ok
check if there are places and transitions
ok
check if there are transitions without pre-places
ok
check if at least one transition is enabled in m0
ok
check if there are transitions that can never fire
ok
initing FirstDep: 0m 0.667sec
57290 99494 118135 123968 176185 193876 240673 271700
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="MultiCrashLeafsetExtension-PT-S24C10"
export BK_EXAMINATION="ReachabilityCardinality"
export BK_TOOL="marciexred"
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 marciexred"
echo " Input is MultiCrashLeafsetExtension-PT-S24C10, examination is ReachabilityCardinality"
echo " Time confinement is $BK_TIME_CONFINEMENT seconds"
echo " Memory confinement is 16384 MBytes"
echo " Number of cores is 4"
echo " Run identifier is r234-tall-167856420900870"
echo "====================================================================="
echo
echo "--------------------"
echo "preparation of the directory to be used:"
tar xzf /home/mcc/BenchKit/INPUTS/MultiCrashLeafsetExtension-PT-S24C10.tgz
mv MultiCrashLeafsetExtension-PT-S24C10 execution
cd execution
if [ "ReachabilityCardinality" = "ReachabilityDeadlock" ] || [ "ReachabilityCardinality" = "UpperBounds" ] || [ "ReachabilityCardinality" = "QuasiLiveness" ] || [ "ReachabilityCardinality" = "StableMarking" ] || [ "ReachabilityCardinality" = "Liveness" ] || [ "ReachabilityCardinality" = "OneSafe" ] || [ "ReachabilityCardinality" = "StateSpace" ]; then
rm -f GenericPropertiesVerdict.xml
fi
pwd
ls -lh
echo
echo "--------------------"
echo "content from stdout:"
echo
echo "=== Data for post analysis generated by BenchKit (invocation template)"
echo
if [ "ReachabilityCardinality" = "UpperBounds" ] ; then
echo "The expected result is a vector of positive values"
echo NUM_VECTOR
elif [ "ReachabilityCardinality" != "StateSpace" ] ; then
echo "The expected result is a vector of booleans"
echo BOOL_VECTOR
else
echo "no data necessary for post analysis"
fi
echo
if [ -f "ReachabilityCardinality.txt" ] ; then
echo "here is the order used to build the result vector(from text file)"
for x in $(grep Property ReachabilityCardinality.txt | cut -d ' ' -f 2 | sort -u) ; do
echo "FORMULA_NAME $x"
done
elif [ -f "ReachabilityCardinality.xml" ] ; then # for cunf (txt files deleted;-)
echo echo "here is the order used to build the result vector(from xml file)"
for x in $(grep '
echo "FORMULA_NAME $x"
done
elif [ "ReachabilityCardinality" = "ReachabilityDeadlock" ] || [ "ReachabilityCardinality" = "QuasiLiveness" ] || [ "ReachabilityCardinality" = "StableMarking" ] || [ "ReachabilityCardinality" = "Liveness" ] || [ "ReachabilityCardinality" = "OneSafe" ] ; then
echo "FORMULA_NAME ReachabilityCardinality"
fi
echo
echo "=== Now, execution of the tool begins"
echo
echo -n "BK_START "
date -u +%s%3N
echo
timeout -s 9 $BK_TIME_CONFINEMENT bash -c "/home/mcc/BenchKit/BenchKit_head.sh 2> STDERR ; echo ; echo -n \"BK_STOP \" ; date -u +%s%3N"
if [ $? -eq 137 ] ; then
echo
echo "BK_TIME_CONFINEMENT_REACHED"
fi
echo
echo "--------------------"
echo "content from stderr:"
echo
cat STDERR ;