fond
Model Checking Contest 2023
13th edition, Paris, France, April 26, 2023 (at TOOLympics II)
Execution of r117-tall-167814495200058
Last Updated
May 14, 2023

About the Execution of LoLa+red for CloudReconfiguration-PT-312

Execution Summary
Max Memory
Used (MB)
Time wait (ms) CPU Usage (ms) I/O Wait (ms) Computed Result Execution
Status
673.035 166674.00 277232.00 461.90 F 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.r117-tall-167814495200058.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)
...............................................................................................................................................................................................................
=====================================================================
Generated by BenchKit 2-5348
Executing tool lolaxred
Input is CloudReconfiguration-PT-312, examination is StableMarking
Time confinement is 1800 seconds
Memory confinement is 16384 MBytes
Number of cores is 4
Run identifier is r117-tall-167814495200058
=====================================================================

--------------------
preparation of the directory to be used:
/home/mcc/execution
total 1.2M
-rw-r--r-- 1 mcc users 7.8K Feb 25 11:50 CTLCardinality.txt
-rw-r--r-- 1 mcc users 86K 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 42K 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 3.8K Feb 25 15:47 LTLCardinality.txt
-rw-r--r-- 1 mcc users 24K Feb 25 15:47 LTLCardinality.xml
-rw-r--r-- 1 mcc users 2.4K 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 16K Feb 25 11:50 ReachabilityCardinality.txt
-rw-r--r-- 1 mcc users 168K Feb 25 11:50 ReachabilityCardinality.xml
-rw-r--r-- 1 mcc users 7.4K Feb 25 11:50 ReachabilityFireability.txt
-rw-r--r-- 1 mcc users 59K 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 booleans
BOOL_VECTOR

FORMULA_NAME StableMarking

=== Now, execution of the tool begins

BK_START 1679412306366

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=StableMarking
BK_BIN_PATH=/home/mcc/BenchKit/bin/
BK_TIME_CONFINEMENT=1800
BK_INPUT=CloudReconfiguration-PT-312
Applying reductions before tool lola
Invoking reducer
Running Version 202303021504
[2023-03-21 15:25:07] [INFO ] Running its-tools with arguments : [-pnfolder, /home/mcc/execution, -examination, StableMarking, -timeout, 180, -rebuildPNML]
[2023-03-21 15:25:08] [INFO ] Parsing pnml file : /home/mcc/execution/model.pnml
[2023-03-21 15:25:08] [INFO ] Load time of PNML (sax parser for PT used): 116 ms
[2023-03-21 15:25:08] [INFO ] Transformed 2585 places.
[2023-03-21 15:25:08] [INFO ] Transformed 3095 transitions.
[2023-03-21 15:25:08] [INFO ] Found NUPN structural information;
[2023-03-21 15:25:08] [INFO ] Parsed PT model containing 2585 places and 3095 transitions and 6463 arcs in 188 ms.
Graph (trivial) has 2956 edges and 2585 vertex of which 882 / 2585 are part of one of the 63 SCC in 11 ms
Free SCC test removed 819 places
Structural test allowed to assert that 867 places are NOT stable. Took 35 ms.
Ensure Unique test removed 936 transitions
Reduce redundant transitions removed 936 transitions.
Incomplete random walk after 10000 steps, including 158 resets, run finished after 1333 ms. (steps per millisecond=7 ) properties (out of 1718) seen :289
Running SMT prover for 1429 properties.
[2023-03-21 15:25:09] [INFO ] Flow matrix only has 2097 transitions (discarded 62 similar events)
// Phase 1: matrix 2097 rows 1766 cols
[2023-03-21 15:25:09] [INFO ] Computed 4 place invariants in 34 ms
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.assertInvariants(DeadlockTester.java:2347)
at fr.lip6.move.gal.structural.smt.DeadlockTester.verifyPossible(DeadlockTester.java:618)
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)
[2023-03-21 15:25:35] [WARNING] SMT solver failed with error :SMT solver raised an error when submitting script.... while checking expressions.
[2023-03-21 15:25:35] [INFO ] After 25063ms SMT Verify possible using all constraints in real domain returned unsat :0 sat :0
Fused 1429 Parikh solutions to 1 different solutions.
Parikh walk visited 0 properties in 0 ms.
Support contains 1429 out of 1766 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 1766/1766 places, 2159/2159 transitions.
Drop transitions removed 63 transitions
Reduce isomorphic transitions removed 63 transitions.
Drop transitions removed 205 transitions
Trivial Post-agglo rules discarded 205 transitions
Performed 205 trivial Post agglomeration. Transition count delta: 205
Iterating post reduction 0 with 268 rules applied. Total rules applied 268 place count 1766 transition count 1891
Reduce places removed 205 places and 0 transitions.
Ensure Unique test removed 10 transitions
Reduce isomorphic transitions removed 10 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 1 with 217 rules applied. Total rules applied 485 place count 1561 transition count 1879
Reduce places removed 2 places and 0 transitions.
Iterating post reduction 2 with 2 rules applied. Total rules applied 487 place count 1559 transition count 1879
Performed 12 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 3 with 12 Pre rules applied. Total rules applied 487 place count 1559 transition count 1867
Deduced a syphon composed of 12 places in 2 ms
Reduce places removed 12 places and 0 transitions.
Iterating global reduction 3 with 24 rules applied. Total rules applied 511 place count 1547 transition count 1867
Discarding 12 places :
Symmetric choice reduction at 3 with 12 rule applications. Total rules 523 place count 1535 transition count 1855
Iterating global reduction 3 with 12 rules applied. Total rules applied 535 place count 1535 transition count 1855
Discarding 1 places :
Symmetric choice reduction at 3 with 1 rule applications. Total rules 536 place count 1534 transition count 1854
Iterating global reduction 3 with 1 rules applied. Total rules applied 537 place count 1534 transition count 1854
Discarding 1 places :
Symmetric choice reduction at 3 with 1 rule applications. Total rules 538 place count 1533 transition count 1853
Iterating global reduction 3 with 1 rules applied. Total rules applied 539 place count 1533 transition count 1853
Ensure Unique test removed 1 transitions
Reduce isomorphic transitions removed 1 transitions.
Iterating post reduction 3 with 1 rules applied. Total rules applied 540 place count 1533 transition count 1852
Performed 26 Post agglomeration using F-continuation condition.Transition count delta: 26
Deduced a syphon composed of 26 places in 7 ms
Reduce places removed 26 places and 0 transitions.
Iterating global reduction 4 with 52 rules applied. Total rules applied 592 place count 1507 transition count 1826
Performed 6 Post agglomeration using F-continuation condition.Transition count delta: -31
Deduced a syphon composed of 6 places in 4 ms
Reduce places removed 6 places and 0 transitions.
Iterating global reduction 4 with 12 rules applied. Total rules applied 604 place count 1501 transition count 1857
Drop transitions removed 7 transitions
Redundant transition composition rules discarded 7 transitions
Iterating global reduction 4 with 7 rules applied. Total rules applied 611 place count 1501 transition count 1850
Free-agglomeration rule applied 23 times.
Iterating global reduction 4 with 23 rules applied. Total rules applied 634 place count 1501 transition count 1827
Reduce places removed 23 places and 0 transitions.
Ensure Unique test removed 2 transitions
Reduce isomorphic transitions removed 2 transitions.
Iterating post reduction 4 with 25 rules applied. Total rules applied 659 place count 1478 transition count 1825
Drop transitions removed 6 transitions
Redundant transition composition rules discarded 6 transitions
Iterating global reduction 5 with 6 rules applied. Total rules applied 665 place count 1478 transition count 1819
Partial Free-agglomeration rule applied 2 times.
Drop transitions removed 2 transitions
Iterating global reduction 5 with 2 rules applied. Total rules applied 667 place count 1478 transition count 1819
Reduce places removed 1 places and 1 transitions.
Iterating global reduction 5 with 1 rules applied. Total rules applied 668 place count 1477 transition count 1818
Applied a total of 668 rules in 440 ms. Remains 1477 /1766 variables (removed 289) and now considering 1818/2159 (removed 341) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 441 ms. Remains : 1477/1766 places, 1818/2159 transitions.
Interrupted random walk after 538761 steps, including 3028 resets, run timeout after 30001 ms. (steps per millisecond=17 ) properties seen 976
Incomplete Best-First random walk after 10001 steps, including 14 resets, run finished after 124 ms. (steps per millisecond=80 ) properties (out of 453) seen :0
Incomplete Best-First random walk after 10001 steps, including 23 resets, run finished after 105 ms. (steps per millisecond=95 ) properties (out of 453) seen :0
Incomplete Best-First random walk after 10001 steps, including 17 resets, run finished after 124 ms. (steps per millisecond=80 ) properties (out of 453) seen :0
Incomplete Best-First random walk after 10000 steps, including 20 resets, run finished after 118 ms. (steps per millisecond=84 ) properties (out of 453) seen :0
Incomplete Best-First random walk after 10001 steps, including 17 resets, run finished after 122 ms. (steps per millisecond=81 ) properties (out of 453) seen :0
Incomplete Best-First random walk after 10001 steps, including 14 resets, run finished after 149 ms. (steps per millisecond=67 ) properties (out of 453) seen :0
Incomplete Best-First random walk after 10001 steps, including 14 resets, run finished after 128 ms. (steps per millisecond=78 ) properties (out of 453) seen :0
Incomplete Best-First random walk after 10001 steps, including 15 resets, run finished after 212 ms. (steps per millisecond=47 ) properties (out of 453) seen :0
Incomplete Best-First random walk after 10000 steps, including 15 resets, run finished after 150 ms. (steps per millisecond=66 ) properties (out of 453) seen :0
Incomplete Best-First random walk after 10000 steps, including 14 resets, run finished after 144 ms. (steps per millisecond=69 ) properties (out of 453) 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 453) seen :12
Incomplete Best-First random walk after 10001 steps, including 16 resets, run finished after 139 ms. (steps per millisecond=71 ) properties (out of 441) seen :9
Incomplete Best-First random walk after 10001 steps, including 17 resets, run finished after 142 ms. (steps per millisecond=70 ) properties (out of 432) seen :0
Incomplete Best-First random walk after 10000 steps, including 16 resets, run finished after 117 ms. (steps per millisecond=85 ) properties (out of 432) seen :3
Incomplete Best-First random walk after 10001 steps, including 23 resets, run finished after 115 ms. (steps per millisecond=86 ) properties (out of 429) seen :0
Incomplete Best-First random walk after 10000 steps, including 14 resets, run finished after 110 ms. (steps per millisecond=90 ) properties (out of 429) seen :0
Incomplete Best-First random walk after 10001 steps, including 21 resets, run finished after 107 ms. (steps per millisecond=93 ) properties (out of 429) seen :0
Incomplete Best-First random walk after 10001 steps, including 21 resets, run finished after 114 ms. (steps per millisecond=87 ) properties (out of 429) seen :23
Incomplete Best-First random walk after 10000 steps, including 19 resets, run finished after 108 ms. (steps per millisecond=92 ) properties (out of 406) seen :0
Incomplete Best-First random walk after 10001 steps, including 19 resets, run finished after 108 ms. (steps per millisecond=92 ) properties (out of 406) seen :0
Incomplete Best-First random walk after 10001 steps, including 19 resets, run finished after 111 ms. (steps per millisecond=90 ) properties (out of 406) seen :0
Incomplete Best-First random walk after 10000 steps, including 17 resets, run finished after 113 ms. (steps per millisecond=88 ) properties (out of 406) seen :0
Incomplete Best-First random walk after 10000 steps, including 18 resets, run finished after 110 ms. (steps per millisecond=90 ) properties (out of 406) seen :0
Incomplete Best-First random walk after 10001 steps, including 18 resets, run finished after 110 ms. (steps per millisecond=90 ) properties (out of 406) seen :0
Incomplete Best-First random walk after 10001 steps, including 17 resets, run finished after 114 ms. (steps per millisecond=87 ) properties (out of 406) seen :0
Incomplete Best-First random walk after 10000 steps, including 14 resets, run finished after 113 ms. (steps per millisecond=88 ) properties (out of 406) seen :0
Incomplete Best-First random walk after 10001 steps, including 16 resets, run finished after 105 ms. (steps per millisecond=95 ) properties (out of 406) seen :6
Incomplete Best-First random walk after 10001 steps, including 12 resets, run finished after 112 ms. (steps per millisecond=89 ) properties (out of 400) seen :0
Incomplete Best-First random walk after 10001 steps, including 16 resets, run finished after 110 ms. (steps per millisecond=90 ) properties (out of 400) seen :0
Incomplete Best-First random walk after 10001 steps, including 16 resets, run finished after 109 ms. (steps per millisecond=91 ) properties (out of 400) seen :0
Incomplete Best-First random walk after 10000 steps, including 20 resets, run finished after 108 ms. (steps per millisecond=92 ) properties (out of 400) seen :0
Incomplete Best-First random walk after 10001 steps, including 19 resets, run finished after 111 ms. (steps per millisecond=90 ) properties (out of 400) seen :0
Incomplete Best-First random walk after 10001 steps, including 16 resets, run finished after 112 ms. (steps per millisecond=89 ) properties (out of 400) seen :0
Incomplete Best-First random walk after 10000 steps, including 16 resets, run finished after 109 ms. (steps per millisecond=91 ) properties (out of 400) seen :12
Incomplete Best-First random walk after 10000 steps, including 12 resets, run finished after 118 ms. (steps per millisecond=84 ) properties (out of 388) seen :0
Incomplete Best-First random walk after 10001 steps, including 14 resets, run finished after 105 ms. (steps per millisecond=95 ) properties (out of 388) seen :6
Incomplete Best-First random walk after 10000 steps, including 17 resets, run finished after 114 ms. (steps per millisecond=87 ) properties (out of 382) seen :0
Incomplete Best-First random walk after 10000 steps, including 17 resets, run finished after 108 ms. (steps per millisecond=92 ) properties (out of 382) seen :0
Incomplete Best-First random walk after 10001 steps, including 23 resets, run finished after 104 ms. (steps per millisecond=96 ) properties (out of 382) seen :0
Incomplete Best-First random walk after 10001 steps, including 24 resets, run finished after 114 ms. (steps per millisecond=87 ) properties (out of 382) seen :0
Incomplete Best-First random walk after 10001 steps, including 22 resets, run finished after 220 ms. (steps per millisecond=45 ) properties (out of 382) seen :0
Incomplete Best-First random walk after 10000 steps, including 16 resets, run finished after 103 ms. (steps per millisecond=97 ) properties (out of 382) seen :0
Incomplete Best-First random walk after 10001 steps, including 14 resets, run finished after 111 ms. (steps per millisecond=90 ) properties (out of 382) seen :0
Incomplete Best-First random walk after 10001 steps, including 16 resets, run finished after 103 ms. (steps per millisecond=97 ) properties (out of 382) 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 382) seen :12
Incomplete Best-First random walk after 10001 steps, including 19 resets, run finished after 101 ms. (steps per millisecond=99 ) properties (out of 370) seen :0
Incomplete Best-First random walk after 10001 steps, including 11 resets, run finished after 98 ms. (steps per millisecond=102 ) properties (out of 370) seen :0
Incomplete Best-First random walk after 10000 steps, including 16 resets, run finished after 104 ms. (steps per millisecond=96 ) properties (out of 370) seen :0
Incomplete Best-First random walk after 10001 steps, including 14 resets, run finished after 104 ms. (steps per millisecond=96 ) properties (out of 370) seen :0
Incomplete Best-First random walk after 10001 steps, including 21 resets, run finished after 100 ms. (steps per millisecond=100 ) properties (out of 370) seen :7
Incomplete Best-First random walk after 10001 steps, including 16 resets, run finished after 106 ms. (steps per millisecond=94 ) properties (out of 363) seen :0
Incomplete Best-First random walk after 10000 steps, including 21 resets, run finished after 102 ms. (steps per millisecond=98 ) properties (out of 363) seen :0
Incomplete Best-First random walk after 10001 steps, including 19 resets, run finished after 97 ms. (steps per millisecond=103 ) properties (out of 363) seen :0
Incomplete Best-First random walk after 10001 steps, including 15 resets, run finished after 105 ms. (steps per millisecond=95 ) properties (out of 363) seen :0
Incomplete Best-First random walk after 10000 steps, including 19 resets, run finished after 108 ms. (steps per millisecond=92 ) properties (out of 363) seen :0
Incomplete Best-First random walk after 10001 steps, including 17 resets, run finished after 105 ms. (steps per millisecond=95 ) properties (out of 363) seen :0
Incomplete Best-First random walk after 10001 steps, including 18 resets, run finished after 102 ms. (steps per millisecond=98 ) properties (out of 363) seen :0
Incomplete Best-First random walk after 10000 steps, including 18 resets, run finished after 99 ms. (steps per millisecond=101 ) properties (out of 363) seen :0
Incomplete Best-First random walk after 10000 steps, including 19 resets, run finished after 103 ms. (steps per millisecond=97 ) properties (out of 363) seen :0
Incomplete Best-First random walk after 10000 steps, including 16 resets, run finished after 105 ms. (steps per millisecond=95 ) properties (out of 363) seen :0
Incomplete Best-First random walk after 10000 steps, including 16 resets, run finished after 102 ms. (steps per millisecond=98 ) properties (out of 363) seen :0
Incomplete Best-First random walk after 10001 steps, including 16 resets, run finished after 102 ms. (steps per millisecond=98 ) properties (out of 363) seen :1
Incomplete Best-First random walk after 10001 steps, including 20 resets, run finished after 98 ms. (steps per millisecond=102 ) properties (out of 362) seen :0
Incomplete Best-First random walk after 10001 steps, including 12 resets, run finished after 101 ms. (steps per millisecond=99 ) properties (out of 362) seen :0
Incomplete Best-First random walk after 10001 steps, including 17 resets, run finished after 102 ms. (steps per millisecond=98 ) properties (out of 362) seen :0
Incomplete Best-First random walk after 10001 steps, including 16 resets, run finished after 164 ms. (steps per millisecond=60 ) properties (out of 362) seen :0
Incomplete Best-First random walk after 10000 steps, including 20 resets, run finished after 228 ms. (steps per millisecond=43 ) properties (out of 362) seen :0
Incomplete Best-First random walk after 10000 steps, including 23 resets, run finished after 228 ms. (steps per millisecond=43 ) properties (out of 362) seen :0
Incomplete Best-First random walk after 10001 steps, including 16 resets, run finished after 228 ms. (steps per millisecond=43 ) properties (out of 362) seen :0
Incomplete Best-First random walk after 10001 steps, including 15 resets, run finished after 243 ms. (steps per millisecond=41 ) properties (out of 362) seen :14
Incomplete Best-First random walk after 10000 steps, including 16 resets, run finished after 123 ms. (steps per millisecond=81 ) properties (out of 348) seen :13
Incomplete Best-First random walk after 10001 steps, including 10 resets, run finished after 96 ms. (steps per millisecond=104 ) properties (out of 335) seen :15
Incomplete Best-First random walk after 10000 steps, including 15 resets, run finished after 104 ms. (steps per millisecond=96 ) properties (out of 320) seen :0
Incomplete Best-First random walk after 10001 steps, including 19 resets, run finished after 144 ms. (steps per millisecond=69 ) properties (out of 320) seen :0
Incomplete Best-First random walk after 10000 steps, including 16 resets, run finished after 197 ms. (steps per millisecond=50 ) properties (out of 320) seen :1
Incomplete Best-First random walk after 10001 steps, including 17 resets, run finished after 97 ms. (steps per millisecond=103 ) properties (out of 319) seen :0
Incomplete Best-First random walk after 10001 steps, including 16 resets, run finished after 94 ms. (steps per millisecond=106 ) properties (out of 319) seen :0
Incomplete Best-First random walk after 10001 steps, including 21 resets, run finished after 101 ms. (steps per millisecond=99 ) properties (out of 319) seen :0
Incomplete Best-First random walk after 10001 steps, including 17 resets, run finished after 97 ms. (steps per millisecond=103 ) properties (out of 319) seen :0
Incomplete Best-First random walk after 10001 steps, including 14 resets, run finished after 96 ms. (steps per millisecond=104 ) properties (out of 319) seen :0
Incomplete Best-First random walk after 10001 steps, including 12 resets, run finished after 107 ms. (steps per millisecond=93 ) properties (out of 319) seen :0
Incomplete Best-First random walk after 10001 steps, including 17 resets, run finished after 102 ms. (steps per millisecond=98 ) properties (out of 319) seen :0
Incomplete Best-First random walk after 10001 steps, including 12 resets, run finished after 115 ms. (steps per millisecond=86 ) properties (out of 319) seen :0
Incomplete Best-First random walk after 10001 steps, including 20 resets, run finished after 96 ms. (steps per millisecond=104 ) properties (out of 319) seen :0
Incomplete Best-First random walk after 10000 steps, including 13 resets, run finished after 100 ms. (steps per millisecond=100 ) properties (out of 319) seen :0
Incomplete Best-First random walk after 10001 steps, including 15 resets, run finished after 104 ms. (steps per millisecond=96 ) properties (out of 319) seen :0
Incomplete Best-First random walk after 10000 steps, including 18 resets, run finished after 99 ms. (steps per millisecond=101 ) properties (out of 319) seen :1
Incomplete Best-First random walk after 10001 steps, including 21 resets, run finished after 96 ms. (steps per millisecond=104 ) properties (out of 318) seen :0
Incomplete Best-First random walk after 10000 steps, including 21 resets, run finished after 95 ms. (steps per millisecond=105 ) properties (out of 318) seen :1
Incomplete Best-First random walk after 10001 steps, including 11 resets, run finished after 98 ms. (steps per millisecond=102 ) properties (out of 317) seen :0
Incomplete Best-First random walk after 10000 steps, including 11 resets, run finished after 100 ms. (steps per millisecond=100 ) properties (out of 317) seen :2
Incomplete Best-First random walk after 10000 steps, including 17 resets, run finished after 96 ms. (steps per millisecond=104 ) properties (out of 315) seen :0
Incomplete Best-First random walk after 10000 steps, including 16 resets, run finished after 100 ms. (steps per millisecond=100 ) properties (out of 315) seen :0
Incomplete Best-First random walk after 10001 steps, including 20 resets, run finished after 97 ms. (steps per millisecond=103 ) properties (out of 315) seen :0
Incomplete Best-First random walk after 10001 steps, including 20 resets, run finished after 99 ms. (steps per millisecond=101 ) properties (out of 315) seen :0
Incomplete Best-First random walk after 10001 steps, including 16 resets, run finished after 97 ms. (steps per millisecond=103 ) properties (out of 315) seen :0
Incomplete Best-First random walk after 10000 steps, including 20 resets, run finished after 102 ms. (steps per millisecond=98 ) properties (out of 315) seen :0
Incomplete Best-First random walk after 10001 steps, including 16 resets, run finished after 198 ms. (steps per millisecond=50 ) properties (out of 315) seen :0
Incomplete Best-First random walk after 10001 steps, including 17 resets, run finished after 225 ms. (steps per millisecond=44 ) properties (out of 315) seen :0
Incomplete Best-First random walk after 10001 steps, including 19 resets, run finished after 119 ms. (steps per millisecond=84 ) properties (out of 315) seen :0
Incomplete Best-First random walk after 10001 steps, including 15 resets, run finished after 98 ms. (steps per millisecond=102 ) properties (out of 315) seen :0
Incomplete Best-First random walk after 10001 steps, including 14 resets, run finished after 102 ms. (steps per millisecond=98 ) properties (out of 315) seen :0
Incomplete Best-First random walk after 10001 steps, including 15 resets, run finished after 99 ms. (steps per millisecond=101 ) properties (out of 315) seen :0
Incomplete Best-First random walk after 10001 steps, including 12 resets, run finished after 99 ms. (steps per millisecond=101 ) properties (out of 315) seen :0
Incomplete Best-First random walk after 10001 steps, including 14 resets, run finished after 91 ms. (steps per millisecond=109 ) properties (out of 315) seen :0
Incomplete Best-First random walk after 10001 steps, including 16 resets, run finished after 101 ms. (steps per millisecond=99 ) properties (out of 315) seen :0
Incomplete Best-First random walk after 10001 steps, including 17 resets, run finished after 96 ms. (steps per millisecond=104 ) properties (out of 315) seen :0
Incomplete Best-First random walk after 10001 steps, including 16 resets, run finished after 96 ms. (steps per millisecond=104 ) properties (out of 315) seen :0
Incomplete Best-First random walk after 10001 steps, including 18 resets, run finished after 114 ms. (steps per millisecond=87 ) properties (out of 315) seen :0
Incomplete Best-First random walk after 10001 steps, including 16 resets, run finished after 106 ms. (steps per millisecond=94 ) properties (out of 315) seen :0
Incomplete Best-First random walk after 10001 steps, including 23 resets, run finished after 97 ms. (steps per millisecond=103 ) properties (out of 315) seen :0
Incomplete Best-First random walk after 10001 steps, including 13 resets, run finished after 95 ms. (steps per millisecond=105 ) properties (out of 315) seen :0
Incomplete Best-First random walk after 10001 steps, including 19 resets, run finished after 98 ms. (steps per millisecond=102 ) properties (out of 315) seen :0
Incomplete Best-First random walk after 10001 steps, including 15 resets, run finished after 100 ms. (steps per millisecond=100 ) properties (out of 315) seen :0
Incomplete Best-First random walk after 10001 steps, including 15 resets, run finished after 114 ms. (steps per millisecond=87 ) properties (out of 315) seen :0
Incomplete Best-First random walk after 10001 steps, including 12 resets, run finished after 199 ms. (steps per millisecond=50 ) properties (out of 315) seen :0
Incomplete Best-First random walk after 10001 steps, including 20 resets, run finished after 140 ms. (steps per millisecond=71 ) properties (out of 315) seen :0
Incomplete Best-First random walk after 10000 steps, including 15 resets, run finished after 135 ms. (steps per millisecond=74 ) properties (out of 315) seen :0
Incomplete Best-First random walk after 10001 steps, including 15 resets, run finished after 102 ms. (steps per millisecond=98 ) properties (out of 315) seen :0
Incomplete Best-First random walk after 10001 steps, including 20 resets, run finished after 98 ms. (steps per millisecond=102 ) properties (out of 315) seen :0
Incomplete Best-First random walk after 10001 steps, including 15 resets, run finished after 101 ms. (steps per millisecond=99 ) properties (out of 315) seen :0
Incomplete Best-First random walk after 10001 steps, including 23 resets, run finished after 98 ms. (steps per millisecond=102 ) properties (out of 315) seen :1
Incomplete Best-First random walk after 10001 steps, including 19 resets, run finished after 98 ms. (steps per millisecond=102 ) properties (out of 314) seen :0
Incomplete Best-First random walk after 10000 steps, including 22 resets, run finished after 97 ms. (steps per millisecond=103 ) properties (out of 314) seen :0
Incomplete Best-First random walk after 10001 steps, including 17 resets, run finished after 94 ms. (steps per millisecond=106 ) properties (out of 314) seen :0
Incomplete Best-First random walk after 10000 steps, including 13 resets, run finished after 104 ms. (steps per millisecond=96 ) properties (out of 314) seen :0
Incomplete Best-First random walk after 10000 steps, including 18 resets, run finished after 97 ms. (steps per millisecond=103 ) properties (out of 314) seen :0
Incomplete Best-First random walk after 10000 steps, including 15 resets, run finished after 97 ms. (steps per millisecond=103 ) properties (out of 314) seen :0
Incomplete Best-First random walk after 10001 steps, including 16 resets, run finished after 91 ms. (steps per millisecond=109 ) properties (out of 314) seen :0
Incomplete Best-First random walk after 10001 steps, including 17 resets, run finished after 99 ms. (steps per millisecond=101 ) properties (out of 314) seen :0
Incomplete Best-First random walk after 10000 steps, including 18 resets, run finished after 98 ms. (steps per millisecond=102 ) properties (out of 314) seen :0
Incomplete Best-First random walk after 10000 steps, including 15 resets, run finished after 152 ms. (steps per millisecond=65 ) properties (out of 314) seen :0
Incomplete Best-First random walk after 10001 steps, including 17 resets, run finished after 245 ms. (steps per millisecond=40 ) properties (out of 314) seen :0
Incomplete Best-First random walk after 10001 steps, including 17 resets, run finished after 232 ms. (steps per millisecond=43 ) properties (out of 314) seen :0
Incomplete Best-First random walk after 10001 steps, including 15 resets, run finished after 190 ms. (steps per millisecond=52 ) properties (out of 314) seen :0
Incomplete Best-First random walk after 10001 steps, including 16 resets, run finished after 97 ms. (steps per millisecond=103 ) properties (out of 314) seen :0
Incomplete Best-First random walk after 10001 steps, including 15 resets, run finished after 98 ms. (steps per millisecond=102 ) properties (out of 314) seen :0
Incomplete Best-First random walk after 10001 steps, including 17 resets, run finished after 115 ms. (steps per millisecond=86 ) properties (out of 314) seen :0
Incomplete Best-First random walk after 10001 steps, including 11 resets, run finished after 100 ms. (steps per millisecond=100 ) properties (out of 314) seen :0
Incomplete Best-First random walk after 10001 steps, including 16 resets, run finished after 102 ms. (steps per millisecond=98 ) properties (out of 314) seen :0
Incomplete Best-First random walk after 10001 steps, including 14 resets, run finished after 102 ms. (steps per millisecond=98 ) properties (out of 314) seen :0
Incomplete Best-First random walk after 10001 steps, including 21 resets, run finished after 115 ms. (steps per millisecond=86 ) properties (out of 314) seen :0
Incomplete Best-First random walk after 10001 steps, including 18 resets, run finished after 99 ms. (steps per millisecond=101 ) properties (out of 314) seen :0
Incomplete Best-First random walk after 10001 steps, including 18 resets, run finished after 96 ms. (steps per millisecond=104 ) properties (out of 314) seen :0
Incomplete Best-First random walk after 10001 steps, including 17 resets, run finished after 96 ms. (steps per millisecond=104 ) properties (out of 314) seen :0
Incomplete Best-First random walk after 10001 steps, including 22 resets, run finished after 96 ms. (steps per millisecond=104 ) properties (out of 314) seen :0
Incomplete Best-First random walk after 10001 steps, including 19 resets, run finished after 103 ms. (steps per millisecond=97 ) properties (out of 314) seen :0
Incomplete Best-First random walk after 10001 steps, including 19 resets, run finished after 99 ms. (steps per millisecond=101 ) properties (out of 314) seen :0
Incomplete Best-First random walk after 10001 steps, including 12 resets, run finished after 95 ms. (steps per millisecond=105 ) properties (out of 314) seen :0
Incomplete Best-First random walk after 10000 steps, including 13 resets, run finished after 98 ms. (steps per millisecond=102 ) properties (out of 314) seen :0
Incomplete Best-First random walk after 10001 steps, including 15 resets, run finished after 97 ms. (steps per millisecond=103 ) properties (out of 314) seen :0
Incomplete Best-First random walk after 10001 steps, including 20 resets, run finished after 98 ms. (steps per millisecond=102 ) properties (out of 314) seen :0
Incomplete Best-First random walk after 10001 steps, including 14 resets, run finished after 103 ms. (steps per millisecond=97 ) properties (out of 314) seen :0
Incomplete Best-First random walk after 10001 steps, including 14 resets, run finished after 98 ms. (steps per millisecond=102 ) properties (out of 314) seen :0
Incomplete Best-First random walk after 10001 steps, including 16 resets, run finished after 95 ms. (steps per millisecond=105 ) properties (out of 314) seen :0
Incomplete Best-First random walk after 10001 steps, including 14 resets, run finished after 93 ms. (steps per millisecond=107 ) properties (out of 314) seen :0
Incomplete Best-First random walk after 10001 steps, including 18 resets, run finished after 101 ms. (steps per millisecond=99 ) properties (out of 314) seen :0
Incomplete Best-First random walk after 10001 steps, including 17 resets, run finished after 100 ms. (steps per millisecond=100 ) properties (out of 314) seen :0
Incomplete Best-First random walk after 10001 steps, including 15 resets, run finished after 102 ms. (steps per millisecond=98 ) properties (out of 314) seen :0
Incomplete Best-First random walk after 10001 steps, including 20 resets, run finished after 95 ms. (steps per millisecond=105 ) properties (out of 314) seen :1
Incomplete Best-First random walk after 10001 steps, including 16 resets, run finished after 95 ms. (steps per millisecond=105 ) properties (out of 313) seen :0
Incomplete Best-First random walk after 10000 steps, including 19 resets, run finished after 97 ms. (steps per millisecond=103 ) properties (out of 313) seen :0
Incomplete Best-First random walk after 10000 steps, including 15 resets, run finished after 94 ms. (steps per millisecond=106 ) properties (out of 313) seen :0
Incomplete Best-First random walk after 10001 steps, including 12 resets, run finished after 104 ms. (steps per millisecond=96 ) properties (out of 313) seen :0
Incomplete Best-First random walk after 10001 steps, including 14 resets, run finished after 100 ms. (steps per millisecond=100 ) properties (out of 313) seen :0
Incomplete Best-First random walk after 10001 steps, including 15 resets, run finished after 95 ms. (steps per millisecond=105 ) properties (out of 313) seen :0
Incomplete Best-First random walk after 10001 steps, including 16 resets, run finished after 96 ms. (steps per millisecond=104 ) properties (out of 313) seen :0
Incomplete Best-First random walk after 10001 steps, including 22 resets, run finished after 100 ms. (steps per millisecond=100 ) properties (out of 313) seen :0
Incomplete Best-First random walk after 10001 steps, including 11 resets, run finished after 99 ms. (steps per millisecond=101 ) properties (out of 313) seen :0
Incomplete Best-First random walk after 10001 steps, including 17 resets, run finished after 96 ms. (steps per millisecond=104 ) properties (out of 313) seen :0
Incomplete Best-First random walk after 10000 steps, including 16 resets, run finished after 101 ms. (steps per millisecond=99 ) properties (out of 313) seen :0
Incomplete Best-First random walk after 10001 steps, including 19 resets, run finished after 97 ms. (steps per millisecond=103 ) properties (out of 313) seen :0
Incomplete Best-First random walk after 10001 steps, including 13 resets, run finished after 93 ms. (steps per millisecond=107 ) properties (out of 313) seen :0
Incomplete Best-First random walk after 10001 steps, including 13 resets, run finished after 98 ms. (steps per millisecond=102 ) properties (out of 313) seen :0
Incomplete Best-First random walk after 10001 steps, including 16 resets, run finished after 103 ms. (steps per millisecond=97 ) properties (out of 313) seen :0
Incomplete Best-First random walk after 10001 steps, including 18 resets, run finished after 92 ms. (steps per millisecond=108 ) properties (out of 313) seen :0
Incomplete Best-First random walk after 10000 steps, including 19 resets, run finished after 102 ms. (steps per millisecond=98 ) properties (out of 313) seen :0
Incomplete Best-First random walk after 10001 steps, including 14 resets, run finished after 97 ms. (steps per millisecond=103 ) properties (out of 313) seen :0
Incomplete Best-First random walk after 10001 steps, including 15 resets, run finished after 104 ms. (steps per millisecond=96 ) properties (out of 313) seen :0
Incomplete Best-First random walk after 10001 steps, including 21 resets, run finished after 95 ms. (steps per millisecond=105 ) properties (out of 313) seen :0
Incomplete Best-First random walk after 10000 steps, including 17 resets, run finished after 94 ms. (steps per millisecond=106 ) properties (out of 313) seen :0
Incomplete Best-First random walk after 10001 steps, including 15 resets, run finished after 94 ms. (steps per millisecond=106 ) properties (out of 313) seen :0
Incomplete Best-First random walk after 10001 steps, including 20 resets, run finished after 96 ms. (steps per millisecond=104 ) properties (out of 313) seen :0
Incomplete Best-First random walk after 10001 steps, including 18 resets, run finished after 103 ms. (steps per millisecond=97 ) properties (out of 313) seen :0
Incomplete Best-First random walk after 10000 steps, including 16 resets, run finished after 96 ms. (steps per millisecond=104 ) properties (out of 313) seen :0
Incomplete Best-First random walk after 10001 steps, including 16 resets, run finished after 97 ms. (steps per millisecond=103 ) properties (out of 313) seen :0
Incomplete Best-First random walk after 10001 steps, including 16 resets, run finished after 106 ms. (steps per millisecond=94 ) properties (out of 313) seen :0
Incomplete Best-First random walk after 10001 steps, including 20 resets, run finished after 107 ms. (steps per millisecond=93 ) properties (out of 313) seen :0
Incomplete Best-First random walk after 10001 steps, including 13 resets, run finished after 97 ms. (steps per millisecond=103 ) properties (out of 313) seen :0
Incomplete Best-First random walk after 10001 steps, including 18 resets, run finished after 94 ms. (steps per millisecond=106 ) properties (out of 313) seen :0
Incomplete Best-First random walk after 10000 steps, including 11 resets, run finished after 94 ms. (steps per millisecond=106 ) properties (out of 313) seen :0
Incomplete Best-First random walk after 10001 steps, including 13 resets, run finished after 95 ms. (steps per millisecond=105 ) properties (out of 313) seen :1
Incomplete Best-First random walk after 10000 steps, including 20 resets, run finished after 99 ms. (steps per millisecond=101 ) properties (out of 312) seen :0
Incomplete Best-First random walk after 10001 steps, including 13 resets, run finished after 93 ms. (steps per millisecond=107 ) properties (out of 312) seen :0
Incomplete Best-First random walk after 10001 steps, including 16 resets, run finished after 99 ms. (steps per millisecond=101 ) properties (out of 312) seen :0
Incomplete Best-First random walk after 10000 steps, including 14 resets, run finished after 96 ms. (steps per millisecond=104 ) properties (out of 312) seen :0
Incomplete Best-First random walk after 10001 steps, including 12 resets, run finished after 106 ms. (steps per millisecond=94 ) properties (out of 312) seen :0
Incomplete Best-First random walk after 10000 steps, including 14 resets, run finished after 101 ms. (steps per millisecond=99 ) properties (out of 312) seen :0
Incomplete Best-First random walk after 10001 steps, including 17 resets, run finished after 120 ms. (steps per millisecond=83 ) properties (out of 312) seen :12
Incomplete Best-First random walk after 10001 steps, including 20 resets, run finished after 100 ms. (steps per millisecond=100 ) properties (out of 300) seen :0
Incomplete Best-First random walk after 10001 steps, including 19 resets, run finished after 93 ms. (steps per millisecond=107 ) properties (out of 300) seen :0
Incomplete Best-First random walk after 10001 steps, including 16 resets, run finished after 97 ms. (steps per millisecond=103 ) properties (out of 300) seen :0
Incomplete Best-First random walk after 10000 steps, including 14 resets, run finished after 95 ms. (steps per millisecond=105 ) properties (out of 300) seen :0
Incomplete Best-First random walk after 10001 steps, including 19 resets, run finished after 96 ms. (steps per millisecond=104 ) properties (out of 300) seen :0
Incomplete Best-First random walk after 10001 steps, including 18 resets, run finished after 96 ms. (steps per millisecond=104 ) properties (out of 300) seen :0
Incomplete Best-First random walk after 10001 steps, including 18 resets, run finished after 100 ms. (steps per millisecond=100 ) properties (out of 300) seen :0
Incomplete Best-First random walk after 10001 steps, including 18 resets, run finished after 98 ms. (steps per millisecond=102 ) properties (out of 300) seen :0
Incomplete Best-First random walk after 10000 steps, including 20 resets, run finished after 93 ms. (steps per millisecond=107 ) properties (out of 300) seen :0
Incomplete Best-First random walk after 10001 steps, including 19 resets, run finished after 101 ms. (steps per millisecond=99 ) properties (out of 300) seen :0
Incomplete Best-First random walk after 10001 steps, including 17 resets, run finished after 98 ms. (steps per millisecond=102 ) properties (out of 300) seen :0
Incomplete Best-First random walk after 10000 steps, including 16 resets, run finished after 99 ms. (steps per millisecond=101 ) properties (out of 300) seen :0
Incomplete Best-First random walk after 10001 steps, including 19 resets, run finished after 101 ms. (steps per millisecond=99 ) properties (out of 300) seen :0
Incomplete Best-First random walk after 10001 steps, including 16 resets, run finished after 91 ms. (steps per millisecond=109 ) properties (out of 300) seen :0
Incomplete Best-First random walk after 10001 steps, including 13 resets, run finished after 98 ms. (steps per millisecond=102 ) properties (out of 300) seen :0
Incomplete Best-First random walk after 10001 steps, including 16 resets, run finished after 96 ms. (steps per millisecond=104 ) properties (out of 300) seen :0
Incomplete Best-First random walk after 10001 steps, including 10 resets, run finished after 98 ms. (steps per millisecond=102 ) properties (out of 300) seen :0
Incomplete Best-First random walk after 10000 steps, including 10 resets, run finished after 96 ms. (steps per millisecond=104 ) properties (out of 300) seen :10
Incomplete Best-First random walk after 10000 steps, including 21 resets, run finished after 96 ms. (steps per millisecond=104 ) properties (out of 290) seen :0
Incomplete Best-First random walk after 10001 steps, including 16 resets, run finished after 94 ms. (steps per millisecond=106 ) properties (out of 290) seen :0
Incomplete Best-First random walk after 10001 steps, including 18 resets, run finished after 99 ms. (steps per millisecond=101 ) properties (out of 290) seen :0
Incomplete Best-First random walk after 10000 steps, including 17 resets, run finished after 94 ms. (steps per millisecond=106 ) properties (out of 290) seen :0
Incomplete Best-First random walk after 10001 steps, including 16 resets, run finished after 96 ms. (steps per millisecond=104 ) properties (out of 290) seen :0
Incomplete Best-First random walk after 10001 steps, including 18 resets, run finished after 96 ms. (steps per millisecond=104 ) properties (out of 290) seen :0
Incomplete Best-First random walk after 10001 steps, including 15 resets, run finished after 100 ms. (steps per millisecond=100 ) properties (out of 290) seen :0
Incomplete Best-First random walk after 10001 steps, including 10 resets, run finished after 97 ms. (steps per millisecond=103 ) properties (out of 290) seen :0
Incomplete Best-First random walk after 10001 steps, including 18 resets, run finished after 96 ms. (steps per millisecond=104 ) properties (out of 290) seen :0
Incomplete Best-First random walk after 10000 steps, including 23 resets, run finished after 93 ms. (steps per millisecond=107 ) properties (out of 290) seen :1
Incomplete Best-First random walk after 10001 steps, including 21 resets, run finished after 101 ms. (steps per millisecond=99 ) properties (out of 289) seen :0
Incomplete Best-First random walk after 10001 steps, including 18 resets, run finished after 100 ms. (steps per millisecond=100 ) properties (out of 289) seen :0
Incomplete Best-First random walk after 10000 steps, including 18 resets, run finished after 100 ms. (steps per millisecond=100 ) properties (out of 289) seen :0
Incomplete Best-First random walk after 10001 steps, including 17 resets, run finished after 94 ms. (steps per millisecond=106 ) properties (out of 289) seen :0
Incomplete Best-First random walk after 10000 steps, including 18 resets, run finished after 96 ms. (steps per millisecond=104 ) properties (out of 289) seen :0
Incomplete Best-First random walk after 10001 steps, including 12 resets, run finished after 100 ms. (steps per millisecond=100 ) properties (out of 289) seen :4
Incomplete Best-First random walk after 10001 steps, including 17 resets, run finished after 94 ms. (steps per millisecond=106 ) properties (out of 285) seen :0
Incomplete Best-First random walk after 10001 steps, including 17 resets, run finished after 95 ms. (steps per millisecond=105 ) properties (out of 285) seen :0
Incomplete Best-First random walk after 10000 steps, including 14 resets, run finished after 110 ms. (steps per millisecond=90 ) properties (out of 285) seen :0
Incomplete Best-First random walk after 10000 steps, including 17 resets, run finished after 127 ms. (steps per millisecond=78 ) properties (out of 285) seen :0
Incomplete Best-First random walk after 10001 steps, including 18 resets, run finished after 96 ms. (steps per millisecond=104 ) properties (out of 285) seen :0
Incomplete Best-First random walk after 10001 steps, including 16 resets, run finished after 92 ms. (steps per millisecond=108 ) properties (out of 285) seen :0
Incomplete Best-First random walk after 10000 steps, including 14 resets, run finished after 99 ms. (steps per millisecond=101 ) properties (out of 285) seen :0
Incomplete Best-First random walk after 10000 steps, including 16 resets, run finished after 99 ms. (steps per millisecond=101 ) properties (out of 285) seen :0
Incomplete Best-First random walk after 10001 steps, including 14 resets, run finished after 99 ms. (steps per millisecond=101 ) properties (out of 285) seen :0
Incomplete Best-First random walk after 10000 steps, including 16 resets, run finished after 145 ms. (steps per millisecond=68 ) properties (out of 285) seen :0
Incomplete Best-First random walk after 10001 steps, including 12 resets, run finished after 105 ms. (steps per millisecond=95 ) properties (out of 285) seen :0
Incomplete Best-First random walk after 10001 steps, including 18 resets, run finished after 103 ms. (steps per millisecond=97 ) properties (out of 285) seen :0
Incomplete Best-First random walk after 10001 steps, including 17 resets, run finished after 92 ms. (steps per millisecond=108 ) properties (out of 285) seen :0
Incomplete Best-First random walk after 10000 steps, including 15 resets, run finished after 99 ms. (steps per millisecond=101 ) properties (out of 285) seen :0
Incomplete Best-First random walk after 10001 steps, including 15 resets, run finished after 99 ms. (steps per millisecond=101 ) properties (out of 285) seen :0
Incomplete Best-First random walk after 10001 steps, including 20 resets, run finished after 95 ms. (steps per millisecond=105 ) properties (out of 285) seen :0
Incomplete Best-First random walk after 10001 steps, including 21 resets, run finished after 95 ms. (steps per millisecond=105 ) properties (out of 285) seen :0
Incomplete Best-First random walk after 10000 steps, including 12 resets, run finished after 95 ms. (steps per millisecond=105 ) properties (out of 285) seen :0
Incomplete Best-First random walk after 10000 steps, including 20 resets, run finished after 94 ms. (steps per millisecond=106 ) properties (out of 285) seen :0
Incomplete Best-First random walk after 10000 steps, including 13 resets, run finished after 102 ms. (steps per millisecond=98 ) properties (out of 285) seen :0
Incomplete Best-First random walk after 10001 steps, including 16 resets, run finished after 95 ms. (steps per millisecond=105 ) properties (out of 285) seen :0
Incomplete Best-First random walk after 10001 steps, including 20 resets, run finished after 96 ms. (steps per millisecond=104 ) properties (out of 285) seen :0
Incomplete Best-First random walk after 10001 steps, including 15 resets, run finished after 97 ms. (steps per millisecond=103 ) properties (out of 285) seen :8
Incomplete Best-First random walk after 10001 steps, including 16 resets, run finished after 96 ms. (steps per millisecond=104 ) properties (out of 277) seen :0
Incomplete Best-First random walk after 10001 steps, including 17 resets, run finished after 95 ms. (steps per millisecond=105 ) properties (out of 277) seen :0
Incomplete Best-First random walk after 10001 steps, including 15 resets, run finished after 91 ms. (steps per millisecond=109 ) properties (out of 277) seen :0
Incomplete Best-First random walk after 10001 steps, including 21 resets, run finished after 93 ms. (steps per millisecond=107 ) properties (out of 277) seen :0
Incomplete Best-First random walk after 10001 steps, including 22 resets, run finished after 92 ms. (steps per millisecond=108 ) properties (out of 277) seen :0
Incomplete Best-First random walk after 10000 steps, including 16 resets, run finished after 104 ms. (steps per millisecond=96 ) properties (out of 277) seen :0
Incomplete Best-First random walk after 10001 steps, including 12 resets, run finished after 91 ms. (steps per millisecond=109 ) properties (out of 277) seen :8
Incomplete Best-First random walk after 10000 steps, including 19 resets, run finished after 93 ms. (steps per millisecond=107 ) properties (out of 269) seen :0
Incomplete Best-First random walk after 10001 steps, including 16 resets, run finished after 92 ms. (steps per millisecond=108 ) properties (out of 269) seen :0
Incomplete Best-First random walk after 10000 steps, including 16 resets, run finished after 93 ms. (steps per millisecond=107 ) properties (out of 269) seen :9
Incomplete Best-First random walk after 10000 steps, including 17 resets, run finished after 90 ms. (steps per millisecond=111 ) properties (out of 260) seen :1
Incomplete Best-First random walk after 10001 steps, including 22 resets, run finished after 88 ms. (steps per millisecond=113 ) properties (out of 259) seen :0
Incomplete Best-First random walk after 10001 steps, including 18 resets, run finished after 93 ms. (steps per millisecond=107 ) properties (out of 259) seen :0
Incomplete Best-First random walk after 10000 steps, including 16 resets, run finished after 96 ms. (steps per millisecond=104 ) properties (out of 259) seen :0
Incomplete Best-First random walk after 10001 steps, including 15 resets, run finished after 88 ms. (steps per millisecond=113 ) properties (out of 259) seen :0
Incomplete Best-First random walk after 10000 steps, including 16 resets, run finished after 88 ms. (steps per millisecond=113 ) properties (out of 259) seen :0
Incomplete Best-First random walk after 10000 steps, including 18 resets, run finished after 87 ms. (steps per millisecond=114 ) properties (out of 259) seen :0
Incomplete Best-First random walk after 10001 steps, including 19 resets, run finished after 87 ms. (steps per millisecond=114 ) properties (out of 259) seen :0
Incomplete Best-First random walk after 10001 steps, including 15 resets, run finished after 88 ms. (steps per millisecond=113 ) properties (out of 259) seen :0
Incomplete Best-First random walk after 10000 steps, including 23 resets, run finished after 90 ms. (steps per millisecond=111 ) properties (out of 259) seen :2
Incomplete Best-First random walk after 10001 steps, including 16 resets, run finished after 91 ms. (steps per millisecond=109 ) properties (out of 257) seen :0
Incomplete Best-First random walk after 10001 steps, including 12 resets, run finished after 94 ms. (steps per millisecond=106 ) properties (out of 257) seen :0
Incomplete Best-First random walk after 10001 steps, including 18 resets, run finished after 95 ms. (steps per millisecond=105 ) properties (out of 257) seen :0
Incomplete Best-First random walk after 10001 steps, including 19 resets, run finished after 95 ms. (steps per millisecond=105 ) properties (out of 257) seen :0
Incomplete Best-First random walk after 10001 steps, including 17 resets, run finished after 98 ms. (steps per millisecond=102 ) properties (out of 257) seen :0
Incomplete Best-First random walk after 10000 steps, including 17 resets, run finished after 128 ms. (steps per millisecond=78 ) properties (out of 257) seen :0
Incomplete Best-First random walk after 10001 steps, including 17 resets, run finished after 90 ms. (steps per millisecond=111 ) properties (out of 257) seen :0
Incomplete Best-First random walk after 10001 steps, including 12 resets, run finished after 95 ms. (steps per millisecond=105 ) properties (out of 257) seen :0
Incomplete Best-First random walk after 10001 steps, including 17 resets, run finished after 88 ms. (steps per millisecond=113 ) properties (out of 257) seen :0
Incomplete Best-First random walk after 10001 steps, including 16 resets, run finished after 89 ms. (steps per millisecond=112 ) properties (out of 257) seen :0
Incomplete Best-First random walk after 10001 steps, including 19 resets, run finished after 88 ms. (steps per millisecond=113 ) properties (out of 257) seen :0
Incomplete Best-First random walk after 10001 steps, including 15 resets, run finished after 89 ms. (steps per millisecond=112 ) properties (out of 257) seen :0
Incomplete Best-First random walk after 10001 steps, including 20 resets, run finished after 93 ms. (steps per millisecond=107 ) properties (out of 257) seen :0
Incomplete Best-First random walk after 10001 steps, including 13 resets, run finished after 99 ms. (steps per millisecond=101 ) properties (out of 257) seen :0
Incomplete Best-First random walk after 10001 steps, including 19 resets, run finished after 92 ms. (steps per millisecond=108 ) properties (out of 257) seen :0
Incomplete Best-First random walk after 10001 steps, including 17 resets, run finished after 98 ms. (steps per millisecond=102 ) properties (out of 257) seen :0
Incomplete Best-First random walk after 10001 steps, including 16 resets, run finished after 105 ms. (steps per millisecond=95 ) properties (out of 257) seen :0
Incomplete Best-First random walk after 10000 steps, including 11 resets, run finished after 92 ms. (steps per millisecond=108 ) properties (out of 257) seen :18
Incomplete Best-First random walk after 10000 steps, including 19 resets, run finished after 86 ms. (steps per millisecond=116 ) properties (out of 239) seen :0
Incomplete Best-First random walk after 10001 steps, including 21 resets, run finished after 86 ms. (steps per millisecond=116 ) properties (out of 239) seen :0
Incomplete Best-First random walk after 10001 steps, including 20 resets, run finished after 92 ms. (steps per millisecond=108 ) properties (out of 239) seen :0
Incomplete Best-First random walk after 10001 steps, including 17 resets, run finished after 90 ms. (steps per millisecond=111 ) properties (out of 239) seen :0
Incomplete Best-First random walk after 10001 steps, including 15 resets, run finished after 90 ms. (steps per millisecond=111 ) properties (out of 239) seen :12
Incomplete Best-First random walk after 10000 steps, including 22 resets, run finished after 86 ms. (steps per millisecond=116 ) properties (out of 227) seen :0
Incomplete Best-First random walk after 10001 steps, including 16 resets, run finished after 89 ms. (steps per millisecond=112 ) properties (out of 227) seen :0
Incomplete Best-First random walk after 10000 steps, including 17 resets, run finished after 88 ms. (steps per millisecond=113 ) properties (out of 227) seen :0
Incomplete Best-First random walk after 10000 steps, including 20 resets, run finished after 87 ms. (steps per millisecond=114 ) properties (out of 227) seen :0
Incomplete Best-First random walk after 10001 steps, including 23 resets, run finished after 121 ms. (steps per millisecond=82 ) properties (out of 227) seen :0
Incomplete Best-First random walk after 10000 steps, including 16 resets, run finished after 221 ms. (steps per millisecond=45 ) properties (out of 227) seen :0
Incomplete Best-First random walk after 10000 steps, including 12 resets, run finished after 245 ms. (steps per millisecond=40 ) properties (out of 227) seen :0
Running SMT prover for 227 properties.
[2023-03-21 15:26:38] [INFO ] Flow matrix only has 1816 transitions (discarded 2 similar events)
// Phase 1: matrix 1816 rows 1477 cols
[2023-03-21 15:26:38] [INFO ] Computed 4 place invariants in 11 ms
[2023-03-21 15:26:44] [INFO ] After 6035ms SMT Verify possible using all constraints in real domain returned unsat :0 sat :0 real:227
[2023-03-21 15:26:49] [INFO ] [Nat]Absence check using 0 positive and 4 generalized place invariants in 23 ms returned sat
[2023-03-21 15:27:06] [INFO ] After 11796ms SMT Verify possible using state equation in natural domain returned unsat :0 sat :227
[2023-03-21 15:27:06] [INFO ] State equation strengthened by 1 read => feed constraints.
[2023-03-21 15:27:17] [INFO ] After 11601ms SMT Verify possible using 1 Read/Feed constraints in natural domain returned unsat :0 sat :227
[2023-03-21 15:27:39] [INFO ] After 33463ms SMT Verify possible using trap constraints in natural domain returned unsat :0 sat :227
Attempting to minimize the solution found.
Minimization took 11613 ms.
[2023-03-21 15:27:51] [INFO ] After 66416ms SMT Verify possible using all constraints in natural domain returned unsat :0 sat :227
Parikh walk visited 5 properties in 577 ms.
Support contains 222 out of 1477 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 1477/1477 places, 1818/1818 transitions.
Graph (complete) has 2101 edges and 1477 vertex of which 1472 are kept as prefixes of interest. Removing 5 places using SCC suffix rule.13 ms
Discarding 5 places :
Also discarding 2 output transitions
Drop transitions removed 2 transitions
Drop transitions removed 4 transitions
Reduce isomorphic transitions removed 4 transitions.
Drop transitions removed 836 transitions
Trivial Post-agglo rules discarded 836 transitions
Performed 836 trivial Post agglomeration. Transition count delta: 836
Iterating post reduction 0 with 840 rules applied. Total rules applied 841 place count 1472 transition count 976
Reduce places removed 836 places and 0 transitions.
Ensure Unique test removed 65 transitions
Reduce isomorphic transitions removed 65 transitions.
Drop transitions removed 56 transitions
Trivial Post-agglo rules discarded 56 transitions
Performed 56 trivial Post agglomeration. Transition count delta: 56
Iterating post reduction 1 with 957 rules applied. Total rules applied 1798 place count 636 transition count 855
Reduce places removed 56 places and 0 transitions.
Ensure Unique test removed 10 transitions
Reduce isomorphic transitions removed 10 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 2 with 67 rules applied. Total rules applied 1865 place count 580 transition count 844
Reduce places removed 1 places and 0 transitions.
Ensure Unique test removed 1 transitions
Reduce isomorphic transitions removed 1 transitions.
Iterating post reduction 3 with 2 rules applied. Total rules applied 1867 place count 579 transition count 843
Performed 21 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 4 with 21 Pre rules applied. Total rules applied 1867 place count 579 transition count 822
Deduced a syphon composed of 21 places in 1 ms
Reduce places removed 21 places and 0 transitions.
Iterating global reduction 4 with 42 rules applied. Total rules applied 1909 place count 558 transition count 822
Discarding 43 places :
Symmetric choice reduction at 4 with 43 rule applications. Total rules 1952 place count 515 transition count 770
Iterating global reduction 4 with 43 rules applied. Total rules applied 1995 place count 515 transition count 770
Performed 3 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 4 with 3 Pre rules applied. Total rules applied 1995 place count 515 transition count 767
Deduced a syphon composed of 3 places in 1 ms
Reduce places removed 3 places and 0 transitions.
Iterating global reduction 4 with 6 rules applied. Total rules applied 2001 place count 512 transition count 767
Discarding 35 places :
Symmetric choice reduction at 4 with 35 rule applications. Total rules 2036 place count 477 transition count 732
Iterating global reduction 4 with 35 rules applied. Total rules applied 2071 place count 477 transition count 732
Ensure Unique test removed 7 transitions
Reduce isomorphic transitions removed 7 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 4 with 14 rules applied. Total rules applied 2085 place count 477 transition count 718
Reduce places removed 7 places and 0 transitions.
Ensure Unique test removed 1 transitions
Reduce isomorphic transitions removed 1 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 5 with 9 rules applied. Total rules applied 2094 place count 470 transition count 716
Reduce places removed 1 places and 0 transitions.
Iterating post reduction 6 with 1 rules applied. Total rules applied 2095 place count 469 transition count 716
Discarding 11 places :
Symmetric choice reduction at 7 with 11 rule applications. Total rules 2106 place count 458 transition count 698
Iterating global reduction 7 with 11 rules applied. Total rules applied 2117 place count 458 transition count 698
Ensure Unique test removed 10 transitions
Reduce isomorphic transitions removed 10 transitions.
Iterating post reduction 7 with 10 rules applied. Total rules applied 2127 place count 458 transition count 688
Discarding 3 places :
Symmetric choice reduction at 8 with 3 rule applications. Total rules 2130 place count 455 transition count 682
Iterating global reduction 8 with 3 rules applied. Total rules applied 2133 place count 455 transition count 682
Discarding 1 places :
Symmetric choice reduction at 8 with 1 rule applications. Total rules 2134 place count 454 transition count 680
Iterating global reduction 8 with 1 rules applied. Total rules applied 2135 place count 454 transition count 680
Performed 112 Post agglomeration using F-continuation condition with reduction of 60 identical transitions.
Deduced a syphon composed of 112 places in 1 ms
Discarding 1 places :
Also discarding 1 output transitions
Drop transitions removed 1 transitions
Remove reverse transitions (loop back) rule discarded transition t2182.t2183.t2184.t2185.t2186.t2187.t2188.t2189.t3020.t2630.t2631.t2632.t2648.t2649.t2760.t2761.t2762.t2763.t2764.t2768.t2769.t2181.t2092 and 1 places that fell out of Prefix Of Interest.
Iterating global reduction 8 with 113 rules applied. Total rules applied 2248 place count 340 transition count 507
Discarding 1 places :
Also discarding 1 output transitions
Drop transitions removed 1 transitions
Remove reverse transitions (loop back) rule discarded transition t2182.t2183.t2184.t2185.t2186.t2187.t2188.t2189.t3023.t2630.t2631.t2632.t2648.t2649.t2760.t2761.t2762.t2763.t2764.t2768.t2769.t2181.t2013 and 1 places that fell out of Prefix Of Interest.
Drop transitions removed 8 transitions
Reduce isomorphic transitions removed 8 transitions.
Graph (trivial) has 202 edges and 339 vertex of which 105 / 339 are part of one of the 9 SCC in 0 ms
Free SCC test removed 96 places
Iterating post reduction 8 with 10 rules applied. Total rules applied 2258 place count 243 transition count 498
Drop transitions removed 187 transitions
Ensure Unique test removed 13 transitions
Reduce isomorphic transitions removed 200 transitions.
Iterating post reduction 9 with 200 rules applied. Total rules applied 2458 place count 243 transition count 298
Discarding 3 places :
Symmetric choice reduction at 10 with 3 rule applications. Total rules 2461 place count 240 transition count 295
Iterating global reduction 10 with 3 rules applied. Total rules applied 2464 place count 240 transition count 295
Performed 3 Post agglomeration using F-continuation condition.Transition count delta: 3
Deduced a syphon composed of 3 places in 1 ms
Reduce places removed 3 places and 0 transitions.
Iterating global reduction 10 with 6 rules applied. Total rules applied 2470 place count 237 transition count 292
Ensure Unique test removed 7 transitions
Reduce isomorphic transitions removed 7 transitions.
Iterating post reduction 10 with 7 rules applied. Total rules applied 2477 place count 237 transition count 285
Free-agglomeration rule applied 4 times.
Iterating global reduction 11 with 4 rules applied. Total rules applied 2481 place count 237 transition count 281
Reduce places removed 4 places and 0 transitions.
Iterating post reduction 11 with 4 rules applied. Total rules applied 2485 place count 233 transition count 281
Applied a total of 2485 rules in 128 ms. Remains 233 /1477 variables (removed 1244) and now considering 281/1818 (removed 1537) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 128 ms. Remains : 233/1477 places, 281/1818 transitions.
Finished random walk after 2463 steps, including 11 resets, run visited all 222 properties in 82 ms. (steps per millisecond=30 )
Able to resolve query StableMarking after proving 1720 properties.
FORMULA StableMarking FALSE TECHNIQUES RANDOM_WALK PARIKH_WALK MARKED_SUFFIX_TEST TRIVIAL_UNMARKED_SCC_TEST BESTFIRST_WALK TOPOLOGICAL
Total runtime 164198 ms.
ITS solved all properties within timeout

BK_STOP 1679412473040

--------------------
content from stderr:

+ ulimit -s 65536
+ [[ -z '' ]]
+ export LTSMIN_MEM_SIZE=8589934592
+ LTSMIN_MEM_SIZE=8589934592
+ export PYTHONPATH=/home/mcc/BenchKit/itstools/pylibs
+ PYTHONPATH=/home/mcc/BenchKit/itstools/pylibs
+ export LD_LIBRARY_PATH=/home/mcc/BenchKit/itstools/pylibs:
+ LD_LIBRARY_PATH=/home/mcc/BenchKit/itstools/pylibs:
++ sed s/.jar//
++ perl -pe 's/.*\.//g'
++ ls /home/mcc/BenchKit/bin//../reducer/bin//../../itstools//itstools/plugins/fr.lip6.move.gal.application.pnmcc_1.0.0.202303021504.jar
+ VERSION=202303021504
+ echo 'Running Version 202303021504'
+ /home/mcc/BenchKit/bin//../reducer/bin//../../itstools//itstools/its-tools -pnfolder /home/mcc/execution -examination StableMarking -timeout 180 -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-312"
export BK_EXAMINATION="StableMarking"
export BK_TOOL="lolaxred"
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 lolaxred"
echo " Input is CloudReconfiguration-PT-312, examination is StableMarking"
echo " Time confinement is $BK_TIME_CONFINEMENT seconds"
echo " Memory confinement is 16384 MBytes"
echo " Number of cores is 4"
echo " Run identifier is r117-tall-167814495200058"
echo "====================================================================="
echo
echo "--------------------"
echo "preparation of the directory to be used:"

tar xzf /home/mcc/BenchKit/INPUTS/CloudReconfiguration-PT-312.tgz
mv CloudReconfiguration-PT-312 execution
cd execution
if [ "StableMarking" = "ReachabilityDeadlock" ] || [ "StableMarking" = "UpperBounds" ] || [ "StableMarking" = "QuasiLiveness" ] || [ "StableMarking" = "StableMarking" ] || [ "StableMarking" = "Liveness" ] || [ "StableMarking" = "OneSafe" ] || [ "StableMarking" = "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 [ "StableMarking" = "UpperBounds" ] ; then
echo "The expected result is a vector of positive values"
echo NUM_VECTOR
elif [ "StableMarking" != "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 "StableMarking.txt" ] ; then
echo "here is the order used to build the result vector(from text file)"
for x in $(grep Property StableMarking.txt | cut -d ' ' -f 2 | sort -u) ; do
echo "FORMULA_NAME $x"
done
elif [ -f "StableMarking.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 '' StableMarking.xml | cut -d '>' -f 2 | cut -d '<' -f 1 | sort -u) ; do
echo "FORMULA_NAME $x"
done
elif [ "StableMarking" = "ReachabilityDeadlock" ] || [ "StableMarking" = "QuasiLiveness" ] || [ "StableMarking" = "StableMarking" ] || [ "StableMarking" = "Liveness" ] || [ "StableMarking" = "OneSafe" ] ; then
echo "FORMULA_NAME StableMarking"
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 ;