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.r005-oct2-167813592700158.qcow2', fmt=qcow2 cluster_size=65536 extended_l2=off compression_type=zlib size=4294967296 backing_file=/data/fkordon/mcc2023-input.qcow2 backing_fmt=qcow2 lazy_refcounts=off refcount_bits=16
Waiting for the VM to be ready (probing ssh)
.......................
=====================================================================
Generated by BenchKit 2-5348
Executing tool itstools
Input is ASLink-PT-10a, examination is ReachabilityCardinality
Time confinement is 3600 seconds
Memory confinement is 16384 MBytes
Number of cores is 4
Run identifier is r005-oct2-167813592700158
=====================================================================

--------------------
preparation of the directory to be used:
/home/mcc/execution
total 1.4M
-rw-r--r-- 1 mcc users 9.9K Feb 26 13:08 CTLCardinality.txt
-rw-r--r-- 1 mcc users 116K Feb 26 13:08 CTLCardinality.xml
-rw-r--r-- 1 mcc users 5.6K Feb 26 13:08 CTLFireability.txt
-rw-r--r-- 1 mcc users 52K Feb 26 13:08 CTLFireability.xml
-rw-r--r-- 1 mcc users 4.2K Jan 29 11:40 GenericPropertiesDefinition.xml
-rw-r--r-- 1 mcc users 6.0K Jan 29 11:40 GenericPropertiesVerdict.xml
-rw-r--r-- 1 mcc users 3.5K Feb 25 15:30 LTLCardinality.txt
-rw-r--r-- 1 mcc users 24K Feb 25 15:30 LTLCardinality.xml
-rw-r--r-- 1 mcc users 2.2K Feb 25 15:30 LTLFireability.txt
-rw-r--r-- 1 mcc users 18K Feb 25 15:30 LTLFireability.xml
-rw-r--r-- 1 mcc users 9.6K Feb 26 13:09 ReachabilityCardinality.txt
-rw-r--r-- 1 mcc users 100K Feb 26 13:09 ReachabilityCardinality.xml
-rw-r--r-- 1 mcc users 4.9K Feb 26 13:09 ReachabilityFireability.txt
-rw-r--r-- 1 mcc users 34K Feb 26 13:09 ReachabilityFireability.xml
-rw-r--r-- 1 mcc users 1.6K Feb 25 15:30 UpperBounds.txt
-rw-r--r-- 1 mcc users 3.6K Feb 25 15:30 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 920K 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 ASLink-PT-10a-ReachabilityCardinality-00
FORMULA_NAME ASLink-PT-10a-ReachabilityCardinality-01
FORMULA_NAME ASLink-PT-10a-ReachabilityCardinality-02
FORMULA_NAME ASLink-PT-10a-ReachabilityCardinality-03
FORMULA_NAME ASLink-PT-10a-ReachabilityCardinality-04
FORMULA_NAME ASLink-PT-10a-ReachabilityCardinality-05
FORMULA_NAME ASLink-PT-10a-ReachabilityCardinality-06
FORMULA_NAME ASLink-PT-10a-ReachabilityCardinality-07
FORMULA_NAME ASLink-PT-10a-ReachabilityCardinality-08
FORMULA_NAME ASLink-PT-10a-ReachabilityCardinality-09
FORMULA_NAME ASLink-PT-10a-ReachabilityCardinality-10
FORMULA_NAME ASLink-PT-10a-ReachabilityCardinality-11
FORMULA_NAME ASLink-PT-10a-ReachabilityCardinality-12
FORMULA_NAME ASLink-PT-10a-ReachabilityCardinality-13
FORMULA_NAME ASLink-PT-10a-ReachabilityCardinality-14
FORMULA_NAME ASLink-PT-10a-ReachabilityCardinality-15

=== Now, execution of the tool begins

BK_START 1678504772322

bash -c /home/mcc/BenchKit/BenchKit_head.sh 2> STDERR ; echo ; echo -n "BK_STOP " ; date -u +%s%3N
Invoking MCC driver with
BK_TOOL=itstools
BK_EXAMINATION=ReachabilityCardinality
BK_BIN_PATH=/home/mcc/BenchKit/bin/
BK_TIME_CONFINEMENT=3600
BK_INPUT=ASLink-PT-10a
Not applying reductions.
Model is PT
ReachabilityCardinality PT
Running Version 202303021504
[2023-03-11 03:19:35] [INFO ] Running its-tools with arguments : [-pnfolder, /home/mcc/execution, -examination, ReachabilityCardinality, -its, -ltsmin, -greatspnpath, /home/mcc/BenchKit/bin//../itstools/bin//..//greatspn/, -order, META, -manyOrder, -smt, -timeout, 3600]
[2023-03-11 03:19:35] [INFO ] Parsing pnml file : /home/mcc/execution/model.pnml
[2023-03-11 03:19:35] [INFO ] Load time of PNML (sax parser for PT used): 307 ms
[2023-03-11 03:19:35] [INFO ] Transformed 2186 places.
[2023-03-11 03:19:36] [INFO ] Transformed 3192 transitions.
[2023-03-11 03:19:36] [INFO ] Found NUPN structural information;
[2023-03-11 03:19:36] [INFO ] Parsed PT model containing 2186 places and 3192 transitions and 11972 arcs in 468 ms.
Parsed 16 properties from file /home/mcc/execution/ReachabilityCardinality.xml in 15 ms.
Working with output stream class java.io.PrintStream
Ensure Unique test removed 34 transitions
Reduce redundant transitions removed 34 transitions.
FORMULA ASLink-PT-10a-ReachabilityCardinality-02 TRUE TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA ASLink-PT-10a-ReachabilityCardinality-09 TRUE TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA ASLink-PT-10a-ReachabilityCardinality-11 FALSE TECHNIQUES TOPOLOGICAL INITIAL_STATE
Incomplete random walk after 10000 steps, including 46 resets, run finished after 630 ms. (steps per millisecond=15 ) properties (out of 13) seen :6
FORMULA ASLink-PT-10a-ReachabilityCardinality-14 FALSE TECHNIQUES TOPOLOGICAL RANDOM_WALK
FORMULA ASLink-PT-10a-ReachabilityCardinality-12 FALSE TECHNIQUES TOPOLOGICAL RANDOM_WALK
FORMULA ASLink-PT-10a-ReachabilityCardinality-08 FALSE TECHNIQUES TOPOLOGICAL RANDOM_WALK
FORMULA ASLink-PT-10a-ReachabilityCardinality-07 TRUE TECHNIQUES TOPOLOGICAL RANDOM_WALK
FORMULA ASLink-PT-10a-ReachabilityCardinality-01 FALSE TECHNIQUES TOPOLOGICAL RANDOM_WALK
FORMULA ASLink-PT-10a-ReachabilityCardinality-00 TRUE TECHNIQUES TOPOLOGICAL RANDOM_WALK
Incomplete Best-First random walk after 10001 steps, including 3 resets, run finished after 37 ms. (steps per millisecond=270 ) properties (out of 7) seen :0
Incomplete Best-First random walk after 10001 steps, including 4 resets, run finished after 56 ms. (steps per millisecond=178 ) properties (out of 7) seen :0
Incomplete Best-First random walk after 10001 steps, including 3 resets, run finished after 63 ms. (steps per millisecond=158 ) properties (out of 7) seen :0
Incomplete Best-First random walk after 10001 steps, including 3 resets, run finished after 101 ms. (steps per millisecond=99 ) properties (out of 7) seen :0
Incomplete Best-First random walk after 10001 steps, including 3 resets, run finished after 159 ms. (steps per millisecond=62 ) properties (out of 7) seen :0
Incomplete Best-First random walk after 10001 steps, including 3 resets, run finished after 139 ms. (steps per millisecond=71 ) properties (out of 7) seen :0
Incomplete Best-First random walk after 10000 steps, including 4 resets, run finished after 78 ms. (steps per millisecond=128 ) properties (out of 7) seen :0
[2023-03-11 03:19:37] [INFO ] Flatten gal took : 589 ms
Running SMT prover for 7 properties.
[2023-03-11 03:19:37] [INFO ] Flatten gal took : 290 ms
// Phase 1: matrix 3158 rows 2186 cols
[2023-03-11 03:19:37] [INFO ] Time to serialize gal into /tmp/ReachabilityCardinality4944008471967941597.gal : 77 ms
[2023-03-11 03:19:37] [INFO ] Time to serialize properties into /tmp/ReachabilityCardinality3412358810978233060.prop : 1 ms
[2023-03-11 03:19:37] [INFO ] Computed 422 place invariants in 214 ms
Invoking ITS tools like this :cd /home/mcc/execution;'/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202303021504/bin/its-reach-linux64' '--gc-threshold' '2000000' '--quiet' '-i' '/tmp/ReachabilityCardinality4944008471967941597.gal' '-t' 'CGAL' '-reachable-file' '/tmp/ReachabilityCardinality3412358810978233060.prop' '--nowitness' '--gen-order' 'FOLLOW'

its-reach command run as :

/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202303021504/bin/its-reach-linux64 --gc-threshold 2000000 --quiet ...328
Loading property file /tmp/ReachabilityCardinality3412358810978233060.prop.
[2023-03-11 03:19:38] [INFO ] [Real]Absence check using 105 positive place invariants in 27 ms returned sat
[2023-03-11 03:19:39] [INFO ] [Real]Absence check using 105 positive and 317 generalized place invariants in 145 ms returned sat
[2023-03-11 03:19:39] [INFO ] After 1135ms SMT Verify possible using all constraints in real domain returned unsat :0 sat :0 real:7
[2023-03-11 03:19:39] [INFO ] [Nat]Absence check using 105 positive place invariants in 21 ms returned sat
[2023-03-11 03:19:39] [INFO ] [Nat]Absence check using 105 positive and 317 generalized place invariants in 99 ms returned sat
SDD proceeding with computation,7 properties remain. new max is 4
SDD size :1 after 8
SDD proceeding with computation,7 properties remain. new max is 8
SDD size :8 after 16
SDD proceeding with computation,7 properties remain. new max is 16
SDD size :16 after 18
SDD proceeding with computation,7 properties remain. new max is 32
SDD size :18 after 24
SDD proceeding with computation,7 properties remain. new max is 64
SDD size :24 after 41
SDD proceeding with computation,7 properties remain. new max is 128
SDD size :41 after 50
SDD proceeding with computation,7 properties remain. new max is 256
SDD size :50 after 267
SDD proceeding with computation,7 properties remain. new max is 512
SDD size :267 after 110361
SDD proceeding with computation,7 properties remain. new max is 1024
SDD size :110361 after 5.59665e+06
SDD proceeding with computation,7 properties remain. new max is 2048
SDD size :5.59665e+06 after 6.24117e+16
SDD proceeding with computation,7 properties remain. new max is 4096
SDD size :6.24117e+16 after 1.3604e+30
[2023-03-11 03:20:04] [INFO ] After 24166ms SMT Verify possible using state equation in natural domain returned unsat :0 sat :4
[2023-03-11 03:20:04] [INFO ] After 24172ms SMT Verify possible using trap constraints in natural domain returned unsat :0 sat :4
Attempting to minimize the solution found.
Minimization took 1 ms.
[2023-03-11 03:20:04] [INFO ] After 25049ms SMT Verify possible using all constraints in natural domain returned unsat :0 sat :4
Fused 7 Parikh solutions to 1 different solutions.
Parikh walk visited 0 properties in 1 ms.
Support contains 98 out of 2186 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 2186/2186 places, 3158/3158 transitions.
Ensure Unique test removed 38 places
Discarding 19 places :
Implicit places reduction removed 19 places
Drop transitions removed 179 transitions
Trivial Post-agglo rules discarded 179 transitions
Performed 179 trivial Post agglomeration. Transition count delta: 179
Iterating post reduction 0 with 236 rules applied. Total rules applied 236 place count 2129 transition count 2979
Reduce places removed 179 places and 0 transitions.
Performed 9 Post agglomeration using F-continuation condition.Transition count delta: 9
Iterating post reduction 1 with 188 rules applied. Total rules applied 424 place count 1950 transition count 2970
Reduce places removed 9 places and 0 transitions.
Iterating post reduction 2 with 9 rules applied. Total rules applied 433 place count 1941 transition count 2970
Performed 190 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 3 with 190 Pre rules applied. Total rules applied 433 place count 1941 transition count 2780
Deduced a syphon composed of 190 places in 7 ms
Ensure Unique test removed 70 places
Reduce places removed 260 places and 0 transitions.
Iterating global reduction 3 with 450 rules applied. Total rules applied 883 place count 1681 transition count 2780
Drop transitions removed 1 transitions
Trivial Post-agglo rules discarded 1 transitions
Performed 1 trivial Post agglomeration. Transition count delta: 1
Iterating post reduction 3 with 1 rules applied. Total rules applied 884 place count 1681 transition count 2779
Reduce places removed 1 places and 0 transitions.
Iterating post reduction 4 with 1 rules applied. Total rules applied 885 place count 1680 transition count 2779
Discarding 12 places :
Symmetric choice reduction at 5 with 12 rule applications. Total rules 897 place count 1668 transition count 2709
Ensure Unique test removed 1 places
Iterating global reduction 5 with 13 rules applied. Total rules applied 910 place count 1667 transition count 2709
Ensure Unique test removed 1 transitions
Reduce isomorphic transitions removed 1 transitions.
Iterating post reduction 5 with 1 rules applied. Total rules applied 911 place count 1667 transition count 2708
Discarding 1 places :
Symmetric choice reduction at 6 with 1 rule applications. Total rules 912 place count 1666 transition count 2700
Iterating global reduction 6 with 1 rules applied. Total rules applied 913 place count 1666 transition count 2700
Discarding 1 places :
Symmetric choice reduction at 6 with 1 rule applications. Total rules 914 place count 1665 transition count 2692
Iterating global reduction 6 with 1 rules applied. Total rules applied 915 place count 1665 transition count 2692
Discarding 1 places :
Symmetric choice reduction at 6 with 1 rule applications. Total rules 916 place count 1664 transition count 2684
Iterating global reduction 6 with 1 rules applied. Total rules applied 917 place count 1664 transition count 2684
Discarding 1 places :
Symmetric choice reduction at 6 with 1 rule applications. Total rules 918 place count 1663 transition count 2676
Iterating global reduction 6 with 1 rules applied. Total rules applied 919 place count 1663 transition count 2676
Performed 57 Post agglomeration using F-continuation condition.Transition count delta: 57
Deduced a syphon composed of 57 places in 4 ms
Reduce places removed 57 places and 0 transitions.
Iterating global reduction 6 with 114 rules applied. Total rules applied 1033 place count 1606 transition count 2619
Performed 1 Post agglomeration using F-continuation condition.Transition count delta: -3
Deduced a syphon composed of 1 places in 4 ms
Reduce places removed 1 places and 0 transitions.
Iterating global reduction 6 with 2 rules applied. Total rules applied 1035 place count 1605 transition count 2622
Free-agglomeration rule applied 3 times.
Iterating global reduction 6 with 3 rules applied. Total rules applied 1038 place count 1605 transition count 2619
Reduce places removed 3 places and 0 transitions.
Iterating post reduction 6 with 3 rules applied. Total rules applied 1041 place count 1602 transition count 2619
Free-agglomeration rule (complex) applied 8 times.
Iterating global reduction 7 with 8 rules applied. Total rules applied 1049 place count 1602 transition count 2611
Reduce places removed 8 places and 0 transitions.
Iterating post reduction 7 with 8 rules applied. Total rules applied 1057 place count 1594 transition count 2611
Partial Free-agglomeration rule applied 12 times.
Drop transitions removed 12 transitions
Iterating global reduction 8 with 12 rules applied. Total rules applied 1069 place count 1594 transition count 2611
Applied a total of 1069 rules in 1330 ms. Remains 1594 /2186 variables (removed 592) and now considering 2611/3158 (removed 547) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 1332 ms. Remains : 1594/2186 places, 2611/3158 transitions.
Incomplete random walk after 10000 steps, including 64 resets, run finished after 352 ms. (steps per millisecond=28 ) properties (out of 7) seen :0
Incomplete Best-First random walk after 10001 steps, including 7 resets, run finished after 56 ms. (steps per millisecond=178 ) properties (out of 7) seen :0
Incomplete Best-First random walk after 10001 steps, including 6 resets, run finished after 66 ms. (steps per millisecond=151 ) properties (out of 7) seen :0
Incomplete Best-First random walk after 10001 steps, including 7 resets, run finished after 61 ms. (steps per millisecond=163 ) properties (out of 7) seen :0
Incomplete Best-First random walk after 10001 steps, including 7 resets, run finished after 48 ms. (steps per millisecond=208 ) properties (out of 7) seen :0
Incomplete Best-First random walk after 10001 steps, including 7 resets, run finished after 51 ms. (steps per millisecond=196 ) properties (out of 7) seen :0
Incomplete Best-First random walk after 10001 steps, including 7 resets, run finished after 62 ms. (steps per millisecond=161 ) properties (out of 7) seen :0
Incomplete Best-First random walk after 10000 steps, including 6 resets, run finished after 53 ms. (steps per millisecond=188 ) properties (out of 7) seen :0
Interrupted probabilistic random walk after 80806 steps, run timeout after 3001 ms. (steps per millisecond=26 ) properties seen :{}
Probabilistic random walk after 80806 steps, saw 45632 distinct states, run finished after 3008 ms. (steps per millisecond=26 ) properties seen :0
Running SMT prover for 7 properties.
// Phase 1: matrix 2611 rows 1594 cols
[2023-03-11 03:20:09] [INFO ] Computed 294 place invariants in 61 ms
[2023-03-11 03:20:09] [INFO ] [Real]Absence check using 74 positive place invariants in 31 ms returned sat
[2023-03-11 03:20:09] [INFO ] [Real]Absence check using 74 positive and 220 generalized place invariants in 100 ms returned sat
[2023-03-11 03:20:09] [INFO ] After 532ms SMT Verify possible using all constraints in real domain returned unsat :0 sat :0 real:7
[2023-03-11 03:20:10] [INFO ] [Nat]Absence check using 74 positive place invariants in 32 ms returned sat
[2023-03-11 03:20:10] [INFO ] [Nat]Absence check using 74 positive and 220 generalized place invariants in 103 ms returned sat
[2023-03-11 03:20:34] [INFO ] After 24191ms SMT Verify possible using state equation in natural domain returned unsat :0 sat :5
[2023-03-11 03:20:34] [INFO ] State equation strengthened by 54 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)
[2023-03-11 03:20:34] [WARNING] SMT solver failed with error :SMT solver raised an error when submitting script.... while checking expressions.
[2023-03-11 03:20:34] [INFO ] After 25044ms SMT Verify possible using all constraints in natural domain returned unsat :0 sat :0 real:7
Fused 7 Parikh solutions to 4 different solutions.
Parikh walk visited 0 properties in 343 ms.
Support contains 98 out of 1594 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 1594/1594 places, 2611/2611 transitions.
Applied a total of 0 rules in 59 ms. Remains 1594 /1594 variables (removed 0) and now considering 2611/2611 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 59 ms. Remains : 1594/1594 places, 2611/2611 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 1594/1594 places, 2611/2611 transitions.
Applied a total of 0 rules in 62 ms. Remains 1594 /1594 variables (removed 0) and now considering 2611/2611 (removed 0) transitions.
[2023-03-11 03:20:35] [INFO ] Invariant cache hit.
[2023-03-11 03:20:36] [INFO ] Implicit Places using invariants in 1139 ms returned [1, 20, 21, 23, 33, 51, 69, 134, 155, 168, 171, 172, 173, 191, 209, 283, 295, 308, 309, 310, 311, 312, 330, 348, 411, 431, 447, 448, 449, 450, 451, 469, 487, 539, 560, 572, 585, 588, 589, 590, 608, 626, 679, 711, 724, 728, 729, 730, 748, 829, 841, 853, 866, 867, 868, 869, 870, 888, 906, 977, 990, 1003, 1005, 1006, 1007, 1025, 1043, 1114, 1128, 1143, 1145, 1146, 1147, 1165, 1183, 1246, 1257, 1269, 1284, 1286, 1287, 1288, 1306, 1324, 1387, 1407, 1412, 1423, 1424, 1425, 1426, 1427, 1457, 1459, 1462, 1480, 1481, 1482, 1483, 1495, 1501, 1507, 1513, 1519, 1525, 1531, 1537, 1543, 1549, 1555, 1593]
Discarding 111 places :
Implicit Place search using SMT only with invariants took 1147 ms to find 111 implicit places.
Starting structural reductions in REACHABILITY mode, iteration 1 : 1483/1594 places, 2611/2611 transitions.
Drop transitions removed 131 transitions
Trivial Post-agglo rules discarded 131 transitions
Performed 131 trivial Post agglomeration. Transition count delta: 131
Iterating post reduction 0 with 131 rules applied. Total rules applied 131 place count 1483 transition count 2480
Reduce places removed 131 places and 0 transitions.
Performed 28 Post agglomeration using F-continuation condition.Transition count delta: 28
Iterating post reduction 1 with 159 rules applied. Total rules applied 290 place count 1352 transition count 2452
Reduce places removed 28 places and 0 transitions.
Iterating post reduction 2 with 28 rules applied. Total rules applied 318 place count 1324 transition count 2452
Performed 52 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 3 with 52 Pre rules applied. Total rules applied 318 place count 1324 transition count 2400
Deduced a syphon composed of 52 places in 2 ms
Ensure Unique test removed 1 places
Reduce places removed 53 places and 0 transitions.
Iterating global reduction 3 with 105 rules applied. Total rules applied 423 place count 1271 transition count 2400
Discarding 12 places :
Implicit places reduction removed 12 places
Drop transitions removed 4 transitions
Trivial Post-agglo rules discarded 4 transitions
Performed 4 trivial Post agglomeration. Transition count delta: 4
Iterating post reduction 3 with 16 rules applied. Total rules applied 439 place count 1259 transition count 2396
Reduce places removed 4 places and 0 transitions.
Iterating post reduction 4 with 4 rules applied. Total rules applied 443 place count 1255 transition count 2396
Discarding 11 places :
Symmetric choice reduction at 5 with 11 rule applications. Total rules 454 place count 1244 transition count 2385
Iterating global reduction 5 with 11 rules applied. Total rules applied 465 place count 1244 transition count 2385
Discarding 3 places :
Symmetric choice reduction at 5 with 3 rule applications. Total rules 468 place count 1241 transition count 2382
Iterating global reduction 5 with 3 rules applied. Total rules applied 471 place count 1241 transition count 2382
Performed 90 Post agglomeration using F-continuation condition.Transition count delta: 90
Deduced a syphon composed of 90 places in 3 ms
Reduce places removed 90 places and 0 transitions.
Iterating global reduction 5 with 180 rules applied. Total rules applied 651 place count 1151 transition count 2292
Discarding 3 places :
Symmetric choice reduction at 5 with 3 rule applications. Total rules 654 place count 1148 transition count 2289
Iterating global reduction 5 with 3 rules applied. Total rules applied 657 place count 1148 transition count 2289
Ensure Unique test removed 2 transitions
Reduce isomorphic transitions removed 2 transitions.
Iterating post reduction 5 with 2 rules applied. Total rules applied 659 place count 1148 transition count 2287
Drop transitions removed 5 transitions
Redundant transition composition rules discarded 5 transitions
Iterating global reduction 6 with 5 rules applied. Total rules applied 664 place count 1148 transition count 2282
Free-agglomeration rule applied 10 times.
Iterating global reduction 6 with 10 rules applied. Total rules applied 674 place count 1148 transition count 2272
Reduce places removed 10 places and 0 transitions.
Ensure Unique test removed 2 transitions
Reduce isomorphic transitions removed 2 transitions.
Iterating post reduction 6 with 12 rules applied. Total rules applied 686 place count 1138 transition count 2270
Drop transitions removed 1 transitions
Redundant transition composition rules discarded 1 transitions
Iterating global reduction 7 with 1 rules applied. Total rules applied 687 place count 1138 transition count 2269
Free-agglomeration rule (complex) applied 50 times.
Iterating global reduction 7 with 50 rules applied. Total rules applied 737 place count 1138 transition count 2219
Ensure Unique test removed 5 places
Reduce places removed 55 places and 0 transitions.
Iterating post reduction 7 with 55 rules applied. Total rules applied 792 place count 1083 transition count 2219
Discarding 2 places :
Symmetric choice reduction at 8 with 2 rule applications. Total rules 794 place count 1081 transition count 2217
Iterating global reduction 8 with 2 rules applied. Total rules applied 796 place count 1081 transition count 2217
Ensure Unique test removed 2 transitions
Reduce isomorphic transitions removed 2 transitions.
Iterating post reduction 8 with 2 rules applied. Total rules applied 798 place count 1081 transition count 2215
Drop transitions removed 3 transitions
Redundant transition composition rules discarded 3 transitions
Iterating global reduction 9 with 3 rules applied. Total rules applied 801 place count 1081 transition count 2212
Free-agglomeration rule (complex) applied 1 times.
Iterating global reduction 9 with 1 rules applied. Total rules applied 802 place count 1081 transition count 2211
Reduce places removed 1 places and 0 transitions.
Iterating post reduction 9 with 1 rules applied. Total rules applied 803 place count 1080 transition count 2211
Partial Free-agglomeration rule applied 21 times.
Drop transitions removed 21 transitions
Iterating global reduction 10 with 21 rules applied. Total rules applied 824 place count 1080 transition count 2211
Partial Post-agglomeration rule applied 5 times.
Drop transitions removed 5 transitions
Iterating global reduction 10 with 5 rules applied. Total rules applied 829 place count 1080 transition count 2211
Drop transitions removed 1 transitions
Redundant transition composition rules discarded 1 transitions
Iterating global reduction 10 with 1 rules applied. Total rules applied 830 place count 1080 transition count 2210
Applied a total of 830 rules in 758 ms. Remains 1080 /1483 variables (removed 403) and now considering 2210/2611 (removed 401) transitions.
// Phase 1: matrix 2210 rows 1080 cols
[2023-03-11 03:20:37] [INFO ] Computed 165 place invariants in 18 ms
[2023-03-11 03:20:37] [INFO ] Implicit Places using invariants in 612 ms returned [94, 105, 107, 111, 119, 120, 192, 198, 210, 211, 216, 217, 269, 287, 298, 300, 301, 306, 307, 384, 395, 402, 403, 486, 491, 494, 501, 502, 558, 576, 589, 599, 604, 605, 676, 682, 685, 693, 703, 775, 781, 797, 879, 892, 899, 907, 908, 961, 979, 991, 993, 994, 1077]
Discarding 53 places :
Implicit Place search using SMT only with invariants took 616 ms to find 53 implicit places.
Starting structural reductions in REACHABILITY mode, iteration 2 : 1027/1594 places, 2210/2611 transitions.
Performed 1 Post agglomeration using F-continuation condition.Transition count delta: 1
Iterating post reduction 0 with 1 rules applied. Total rules applied 1 place count 1027 transition count 2209
Reduce places removed 1 places and 0 transitions.
Iterating post reduction 1 with 1 rules applied. Total rules applied 2 place count 1026 transition count 2209
Discarding 15 places :
Symmetric choice reduction at 2 with 15 rule applications. Total rules 17 place count 1011 transition count 2194
Iterating global reduction 2 with 15 rules applied. Total rules applied 32 place count 1011 transition count 2194
Discarding 4 places :
Symmetric choice reduction at 2 with 4 rule applications. Total rules 36 place count 1007 transition count 2190
Iterating global reduction 2 with 4 rules applied. Total rules applied 40 place count 1007 transition count 2190
Performed 12 Post agglomeration using F-continuation condition.Transition count delta: 12
Deduced a syphon composed of 12 places in 3 ms
Reduce places removed 12 places and 0 transitions.
Iterating global reduction 2 with 24 rules applied. Total rules applied 64 place count 995 transition count 2178
Drop transitions removed 3 transitions
Redundant transition composition rules discarded 3 transitions
Iterating global reduction 2 with 3 rules applied. Total rules applied 67 place count 995 transition count 2175
Free-agglomeration rule applied 16 times.
Iterating global reduction 2 with 16 rules applied. Total rules applied 83 place count 995 transition count 2159
Reduce places removed 16 places and 0 transitions.
Iterating post reduction 2 with 16 rules applied. Total rules applied 99 place count 979 transition count 2159
Free-agglomeration rule (complex) applied 2 times.
Iterating global reduction 3 with 2 rules applied. Total rules applied 101 place count 979 transition count 2157
Reduce places removed 2 places and 0 transitions.
Iterating post reduction 3 with 2 rules applied. Total rules applied 103 place count 977 transition count 2157
Partial Post-agglomeration rule applied 1 times.
Drop transitions removed 1 transitions
Iterating global reduction 4 with 1 rules applied. Total rules applied 104 place count 977 transition count 2157
Applied a total of 104 rules in 252 ms. Remains 977 /1027 variables (removed 50) and now considering 2157/2210 (removed 53) transitions.
// Phase 1: matrix 2157 rows 977 cols
[2023-03-11 03:20:38] [INFO ] Computed 112 place invariants in 20 ms
[2023-03-11 03:20:38] [INFO ] Implicit Places using invariants in 526 ms returned []
[2023-03-11 03:20:38] [INFO ] Invariant cache hit.
[2023-03-11 03:20:39] [INFO ] State equation strengthened by 20 read => feed constraints.
[2023-03-11 03:20:41] [INFO ] Implicit Places using invariants and state equation in 3126 ms returned []
Implicit Place search using SMT with State Equation took 3674 ms to find 0 implicit places.
Starting structural reductions in REACHABILITY mode, iteration 3 : 977/1594 places, 2157/2611 transitions.
Finished structural reductions in REACHABILITY mode , in 3 iterations and 6511 ms. Remains : 977/1594 places, 2157/2611 transitions.
Incomplete random walk after 10000 steps, including 112 resets, run finished after 210 ms. (steps per millisecond=47 ) properties (out of 7) seen :1
FORMULA ASLink-PT-10a-ReachabilityCardinality-15 TRUE TECHNIQUES TOPOLOGICAL RANDOM_WALK
Incomplete Best-First random walk after 10001 steps, including 9 resets, run finished after 43 ms. (steps per millisecond=232 ) properties (out of 6) seen :0
Incomplete Best-First random walk after 10001 steps, including 12 resets, run finished after 31 ms. (steps per millisecond=322 ) properties (out of 6) seen :0
Incomplete Best-First random walk after 10000 steps, including 11 resets, run finished after 37 ms. (steps per millisecond=270 ) properties (out of 6) seen :0
Incomplete Best-First random walk after 10001 steps, including 11 resets, run finished after 36 ms. (steps per millisecond=277 ) properties (out of 6) seen :0
Incomplete Best-First random walk after 10001 steps, including 13 resets, run finished after 33 ms. (steps per millisecond=303 ) properties (out of 6) seen :0
Incomplete Best-First random walk after 10001 steps, including 12 resets, run finished after 49 ms. (steps per millisecond=204 ) properties (out of 6) seen :0
Running SMT prover for 6 properties.
[2023-03-11 03:20:42] [INFO ] Invariant cache hit.
[2023-03-11 03:20:42] [INFO ] [Real]Absence check using 27 positive place invariants in 11 ms returned sat
[2023-03-11 03:20:42] [INFO ] [Real]Absence check using 27 positive and 85 generalized place invariants in 35 ms returned sat
[2023-03-11 03:20:42] [INFO ] After 293ms SMT Verify possible using all constraints in real domain returned unsat :0 sat :0 real:6
[2023-03-11 03:20:42] [INFO ] [Nat]Absence check using 27 positive place invariants in 46 ms returned sat
[2023-03-11 03:20:42] [INFO ] [Nat]Absence check using 27 positive and 85 generalized place invariants in 30 ms returned sat
[2023-03-11 03:21:03] [INFO ] After 20218ms SMT Verify possible using state equation in natural domain returned unsat :0 sat :5
[2023-03-11 03:21:03] [INFO ] State equation strengthened by 20 read => feed constraints.
[2023-03-11 03:21:07] [INFO ] After 4352ms SMT Verify possible using 20 Read/Feed constraints in natural domain returned unsat :0 sat :4
[2023-03-11 03:21:07] [INFO ] After 4353ms SMT Verify possible using trap constraints in natural domain returned unsat :0 sat :4
Attempting to minimize the solution found.
Minimization took 2 ms.
[2023-03-11 03:21:07] [INFO ] After 25019ms SMT Verify possible using all constraints in natural domain returned unsat :0 sat :4
Parikh walk visited 0 properties in 478 ms.
Support contains 97 out of 977 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 977/977 places, 2157/2157 transitions.
Applied a total of 0 rules in 31 ms. Remains 977 /977 variables (removed 0) and now considering 2157/2157 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 32 ms. Remains : 977/977 places, 2157/2157 transitions.
Incomplete random walk after 10000 steps, including 108 resets, run finished after 179 ms. (steps per millisecond=55 ) properties (out of 6) seen :1
FORMULA ASLink-PT-10a-ReachabilityCardinality-13 TRUE TECHNIQUES TOPOLOGICAL RANDOM_WALK
Incomplete Best-First random walk after 10001 steps, including 11 resets, run finished after 24 ms. (steps per millisecond=416 ) properties (out of 5) seen :0
Incomplete Best-First random walk after 10001 steps, including 13 resets, run finished after 25 ms. (steps per millisecond=400 ) properties (out of 5) seen :0
Incomplete Best-First random walk after 10001 steps, including 12 resets, run finished after 27 ms. (steps per millisecond=370 ) properties (out of 5) seen :0
Incomplete Best-First random walk after 10001 steps, including 13 resets, run finished after 30 ms. (steps per millisecond=333 ) properties (out of 5) seen :0
Incomplete Best-First random walk after 10001 steps, including 10 resets, run finished after 36 ms. (steps per millisecond=277 ) properties (out of 5) seen :0
Running SMT prover for 5 properties.
[2023-03-11 03:21:08] [INFO ] Invariant cache hit.
[2023-03-11 03:21:08] [INFO ] [Real]Absence check using 27 positive place invariants in 7 ms returned sat
[2023-03-11 03:21:08] [INFO ] [Real]Absence check using 27 positive and 85 generalized place invariants in 31 ms returned sat
[2023-03-11 03:21:08] [INFO ] After 236ms SMT Verify possible using all constraints in real domain returned unsat :0 sat :0 real:5
[2023-03-11 03:21:09] [INFO ] [Nat]Absence check using 27 positive place invariants in 7 ms returned sat
[2023-03-11 03:21:09] [INFO ] [Nat]Absence check using 27 positive and 85 generalized place invariants in 60 ms returned sat
[2023-03-11 03:21:31] [INFO ] After 21726ms SMT Verify possible using state equation in natural domain returned unsat :0 sat :3
[2023-03-11 03:21:31] [INFO ] State equation strengthened by 20 read => feed constraints.
[2023-03-11 03:21:33] [INFO ] After 2730ms SMT Verify possible using 20 Read/Feed constraints in natural domain returned unsat :0 sat :2
[2023-03-11 03:21:33] [INFO ] After 2733ms SMT Verify possible using trap constraints in natural domain returned unsat :0 sat :2
Attempting to minimize the solution found.
Minimization took 1 ms.
[2023-03-11 03:21:33] [INFO ] After 25024ms SMT Verify possible using all constraints in natural domain returned unsat :0 sat :2
Fused 5 Parikh solutions to 4 different solutions.
Parikh walk visited 0 properties in 246 ms.
Support contains 46 out of 977 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 977/977 places, 2157/2157 transitions.
Ensure Unique test removed 2 places
Drop transitions removed 17 transitions
Trivial Post-agglo rules discarded 17 transitions
Performed 17 trivial Post agglomeration. Transition count delta: 17
Iterating post reduction 0 with 19 rules applied. Total rules applied 19 place count 975 transition count 2140
Reduce places removed 17 places and 0 transitions.
Performed 2 Post agglomeration using F-continuation condition.Transition count delta: 2
Iterating post reduction 1 with 19 rules applied. Total rules applied 38 place count 958 transition count 2138
Reduce places removed 2 places and 0 transitions.
Iterating post reduction 2 with 2 rules applied. Total rules applied 40 place count 956 transition count 2138
Performed 15 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 3 with 15 Pre rules applied. Total rules applied 40 place count 956 transition count 2123
Deduced a syphon composed of 15 places in 2 ms
Reduce places removed 15 places and 0 transitions.
Iterating global reduction 3 with 30 rules applied. Total rules applied 70 place count 941 transition count 2123
Discarding 1 places :
Implicit places reduction removed 1 places
Iterating post reduction 3 with 1 rules applied. Total rules applied 71 place count 940 transition count 2123
Discarding 2 places :
Symmetric choice reduction at 4 with 2 rule applications. Total rules 73 place count 938 transition count 2121
Iterating global reduction 4 with 2 rules applied. Total rules applied 75 place count 938 transition count 2121
Discarding 1 places :
Symmetric choice reduction at 4 with 1 rule applications. Total rules 76 place count 937 transition count 2120
Iterating global reduction 4 with 1 rules applied. Total rules applied 77 place count 937 transition count 2120
Performed 10 Post agglomeration using F-continuation condition.Transition count delta: 10
Deduced a syphon composed of 10 places in 2 ms
Reduce places removed 10 places and 0 transitions.
Iterating global reduction 4 with 20 rules applied. Total rules applied 97 place count 927 transition count 2110
Drop transitions removed 4 transitions
Redundant transition composition rules discarded 4 transitions
Iterating global reduction 4 with 4 rules applied. Total rules applied 101 place count 927 transition count 2106
Free-agglomeration rule applied 2 times.
Iterating global reduction 4 with 2 rules applied. Total rules applied 103 place count 927 transition count 2104
Reduce places removed 2 places and 0 transitions.
Iterating post reduction 4 with 2 rules applied. Total rules applied 105 place count 925 transition count 2104
Free-agglomeration rule (complex) applied 1 times.
Iterating global reduction 5 with 1 rules applied. Total rules applied 106 place count 925 transition count 2103
Reduce places removed 1 places and 0 transitions.
Iterating post reduction 5 with 1 rules applied. Total rules applied 107 place count 924 transition count 2103
Partial Free-agglomeration rule applied 3 times.
Drop transitions removed 3 transitions
Iterating global reduction 6 with 3 rules applied. Total rules applied 110 place count 924 transition count 2103
Applied a total of 110 rules in 238 ms. Remains 924 /977 variables (removed 53) and now considering 2103/2157 (removed 54) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 238 ms. Remains : 924/977 places, 2103/2157 transitions.
Incomplete random walk after 10000 steps, including 126 resets, run finished after 218 ms. (steps per millisecond=45 ) properties (out of 5) seen :0
Incomplete Best-First random walk after 10001 steps, including 15 resets, run finished after 42 ms. (steps per millisecond=238 ) properties (out of 5) seen :0
Incomplete Best-First random walk after 10000 steps, including 14 resets, run finished after 43 ms. (steps per millisecond=232 ) properties (out of 5) seen :0
Incomplete Best-First random walk after 10000 steps, including 13 resets, run finished after 45 ms. (steps per millisecond=222 ) properties (out of 5) seen :0
Incomplete Best-First random walk after 10001 steps, including 13 resets, run finished after 36 ms. (steps per millisecond=277 ) properties (out of 5) seen :0
Incomplete Best-First random walk after 10001 steps, including 14 resets, run finished after 44 ms. (steps per millisecond=227 ) properties (out of 5) seen :0
Interrupted probabilistic random walk after 247397 steps, run timeout after 3001 ms. (steps per millisecond=82 ) properties seen :{}
Probabilistic random walk after 247397 steps, saw 43872 distinct states, run finished after 3001 ms. (steps per millisecond=82 ) properties seen :0
Running SMT prover for 5 properties.
// Phase 1: matrix 2103 rows 924 cols
[2023-03-11 03:21:37] [INFO ] Computed 109 place invariants in 19 ms
[2023-03-11 03:21:37] [INFO ] [Real]Absence check using 23 positive place invariants in 12 ms returned sat
[2023-03-11 03:21:37] [INFO ] [Real]Absence check using 23 positive and 86 generalized place invariants in 48 ms returned sat
[2023-03-11 03:21:37] [INFO ] After 217ms SMT Verify possible using all constraints in real domain returned unsat :0 sat :0 real:5
[2023-03-11 03:21:38] [INFO ] [Nat]Absence check using 23 positive place invariants in 6 ms returned sat
[2023-03-11 03:21:38] [INFO ] [Nat]Absence check using 23 positive and 86 generalized place invariants in 33 ms returned sat
[2023-03-11 03:21:54] [INFO ] After 16409ms SMT Verify possible using state equation in natural domain returned unsat :0 sat :4
[2023-03-11 03:21:54] [INFO ] State equation strengthened by 24 read => feed constraints.
[2023-03-11 03:22:03] [INFO ] After 8338ms SMT Verify possible using 24 Read/Feed constraints in natural domain returned unsat :0 sat :3
[2023-03-11 03:22:03] [INFO ] After 8342ms SMT Verify possible using trap constraints in natural domain returned unsat :0 sat :3
Attempting to minimize the solution found.
Minimization took 2 ms.
[2023-03-11 03:22:03] [INFO ] After 25039ms SMT Verify possible using all constraints in natural domain returned unsat :0 sat :3
Parikh walk visited 0 properties in 169 ms.
Support contains 46 out of 924 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 924/924 places, 2103/2103 transitions.
Applied a total of 0 rules in 27 ms. Remains 924 /924 variables (removed 0) and now considering 2103/2103 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 27 ms. Remains : 924/924 places, 2103/2103 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 924/924 places, 2103/2103 transitions.
Applied a total of 0 rules in 35 ms. Remains 924 /924 variables (removed 0) and now considering 2103/2103 (removed 0) transitions.
[2023-03-11 03:22:03] [INFO ] Invariant cache hit.
[2023-03-11 03:22:03] [INFO ] Implicit Places using invariants in 587 ms returned [93, 102, 173, 178, 327, 336, 415, 598, 760, 844]
Discarding 10 places :
Implicit Place search using SMT only with invariants took 590 ms to find 10 implicit places.
Starting structural reductions in REACHABILITY mode, iteration 1 : 914/924 places, 2103/2103 transitions.
Performed 4 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 0 with 4 Pre rules applied. Total rules applied 0 place count 914 transition count 2099
Deduced a syphon composed of 4 places in 2 ms
Reduce places removed 4 places and 0 transitions.
Iterating global reduction 0 with 8 rules applied. Total rules applied 8 place count 910 transition count 2099
Discarding 6 places :
Symmetric choice reduction at 0 with 6 rule applications. Total rules 14 place count 904 transition count 2093
Iterating global reduction 0 with 6 rules applied. Total rules applied 20 place count 904 transition count 2093
Discarding 4 places :
Symmetric choice reduction at 0 with 4 rule applications. Total rules 24 place count 900 transition count 2089
Iterating global reduction 0 with 4 rules applied. Total rules applied 28 place count 900 transition count 2089
Performed 5 Post agglomeration using F-continuation condition.Transition count delta: 5
Deduced a syphon composed of 5 places in 2 ms
Reduce places removed 5 places and 0 transitions.
Iterating global reduction 0 with 10 rules applied. Total rules applied 38 place count 895 transition count 2084
Free-agglomeration rule applied 6 times.
Iterating global reduction 0 with 6 rules applied. Total rules applied 44 place count 895 transition count 2078
Reduce places removed 6 places and 0 transitions.
Iterating post reduction 0 with 6 rules applied. Total rules applied 50 place count 889 transition count 2078
Free-agglomeration rule (complex) applied 1 times.
Iterating global reduction 1 with 1 rules applied. Total rules applied 51 place count 889 transition count 2077
Reduce places removed 1 places and 0 transitions.
Iterating post reduction 1 with 1 rules applied. Total rules applied 52 place count 888 transition count 2077
Partial Post-agglomeration rule applied 1 times.
Drop transitions removed 1 transitions
Iterating global reduction 2 with 1 rules applied. Total rules applied 53 place count 888 transition count 2077
Applied a total of 53 rules in 200 ms. Remains 888 /914 variables (removed 26) and now considering 2077/2103 (removed 26) transitions.
// Phase 1: matrix 2077 rows 888 cols
[2023-03-11 03:22:04] [INFO ] Computed 99 place invariants in 38 ms
[2023-03-11 03:22:04] [INFO ] Implicit Places using invariants in 785 ms returned [89, 90, 563, 564]
Discarding 4 places :
Implicit Place search using SMT only with invariants took 791 ms to find 4 implicit places.
Starting structural reductions in REACHABILITY mode, iteration 2 : 884/924 places, 2077/2103 transitions.
Discarding 1 places :
Symmetric choice reduction at 0 with 1 rule applications. Total rules 1 place count 883 transition count 2076
Iterating global reduction 0 with 1 rules applied. Total rules applied 2 place count 883 transition count 2076
Performed 2 Post agglomeration using F-continuation condition.Transition count delta: 2
Deduced a syphon composed of 2 places in 3 ms
Reduce places removed 2 places and 0 transitions.
Iterating global reduction 0 with 4 rules applied. Total rules applied 6 place count 881 transition count 2074
Free-agglomeration rule (complex) applied 2 times.
Iterating global reduction 0 with 2 rules applied. Total rules applied 8 place count 881 transition count 2072
Reduce places removed 2 places and 0 transitions.
Iterating post reduction 0 with 2 rules applied. Total rules applied 10 place count 879 transition count 2072
Partial Free-agglomeration rule applied 1 times.
Drop transitions removed 1 transitions
Iterating global reduction 1 with 1 rules applied. Total rules applied 11 place count 879 transition count 2072
Applied a total of 11 rules in 143 ms. Remains 879 /884 variables (removed 5) and now considering 2072/2077 (removed 5) transitions.
// Phase 1: matrix 2072 rows 879 cols
[2023-03-11 03:22:05] [INFO ] Computed 95 place invariants in 43 ms
[2023-03-11 03:22:05] [INFO ] Implicit Places using invariants in 660 ms returned []
[2023-03-11 03:22:05] [INFO ] Invariant cache hit.
[2023-03-11 03:22:06] [INFO ] State equation strengthened by 18 read => feed constraints.
[2023-03-11 03:22:08] [INFO ] Implicit Places using invariants and state equation in 2815 ms returned []
Implicit Place search using SMT with State Equation took 3492 ms to find 0 implicit places.
Starting structural reductions in REACHABILITY mode, iteration 3 : 879/924 places, 2072/2103 transitions.
Finished structural reductions in REACHABILITY mode , in 3 iterations and 5252 ms. Remains : 879/924 places, 2072/2103 transitions.
Incomplete random walk after 10000 steps, including 132 resets, run finished after 228 ms. (steps per millisecond=43 ) properties (out of 5) seen :0
Incomplete Best-First random walk after 10001 steps, including 14 resets, run finished after 39 ms. (steps per millisecond=256 ) properties (out of 5) seen :0
Incomplete Best-First random walk after 10001 steps, including 16 resets, run finished after 37 ms. (steps per millisecond=270 ) properties (out of 5) seen :0
Incomplete Best-First random walk after 10001 steps, including 15 resets, run finished after 40 ms. (steps per millisecond=250 ) properties (out of 5) seen :0
Incomplete Best-First random walk after 10001 steps, including 14 resets, run finished after 41 ms. (steps per millisecond=243 ) properties (out of 5) seen :0
Incomplete Best-First random walk after 10001 steps, including 13 resets, run finished after 44 ms. (steps per millisecond=227 ) properties (out of 5) seen :0
Interrupted probabilistic random walk after 171944 steps, run timeout after 3001 ms. (steps per millisecond=57 ) properties seen :{}
Probabilistic random walk after 171944 steps, saw 59190 distinct states, run finished after 3001 ms. (steps per millisecond=57 ) properties seen :0
Running SMT prover for 5 properties.
[2023-03-11 03:22:11] [INFO ] Invariant cache hit.
[2023-03-11 03:22:12] [INFO ] [Real]Absence check using 19 positive place invariants in 3 ms returned sat
[2023-03-11 03:22:12] [INFO ] [Real]Absence check using 19 positive and 76 generalized place invariants in 24 ms returned sat
[2023-03-11 03:22:12] [INFO ] After 224ms SMT Verify possible using all constraints in real domain returned unsat :0 sat :0 real:5
[2023-03-11 03:22:12] [INFO ] [Nat]Absence check using 19 positive place invariants in 5 ms returned sat
[2023-03-11 03:22:12] [INFO ] [Nat]Absence check using 19 positive and 76 generalized place invariants in 44 ms returned sat
[2023-03-11 03:22:37] [INFO ] After 24606ms SMT Verify possible using state equation in natural domain returned unsat :0 sat :3
[2023-03-11 03:22:37] [INFO ] State equation strengthened by 18 read => feed constraints.
[2023-03-11 03:22:37] [INFO ] After 26ms SMT Verify possible using 18 Read/Feed constraints in natural domain returned unsat :0 sat :2
[2023-03-11 03:22:37] [INFO ] After 26ms SMT Verify possible using trap constraints in natural domain returned unsat :0 sat :2
Attempting to minimize the solution found.
Minimization took 1 ms.
[2023-03-11 03:22:37] [INFO ] After 25011ms SMT Verify possible using all constraints in natural domain returned unsat :0 sat :2
Fused 5 Parikh solutions to 4 different solutions.
Parikh walk visited 0 properties in 218 ms.
Support contains 46 out of 879 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 879/879 places, 2072/2072 transitions.
Applied a total of 0 rules in 33 ms. Remains 879 /879 variables (removed 0) and now considering 2072/2072 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 33 ms. Remains : 879/879 places, 2072/2072 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 879/879 places, 2072/2072 transitions.
Applied a total of 0 rules in 31 ms. Remains 879 /879 variables (removed 0) and now considering 2072/2072 (removed 0) transitions.
[2023-03-11 03:22:37] [INFO ] Invariant cache hit.
[2023-03-11 03:22:37] [INFO ] Implicit Places using invariants in 512 ms returned []
[2023-03-11 03:22:37] [INFO ] Invariant cache hit.
[2023-03-11 03:22:38] [INFO ] State equation strengthened by 18 read => feed constraints.
[2023-03-11 03:22:40] [INFO ] Implicit Places using invariants and state equation in 2940 ms returned []
Implicit Place search using SMT with State Equation took 3456 ms to find 0 implicit places.
[2023-03-11 03:22:41] [INFO ] Redundant transitions in 183 ms returned []
[2023-03-11 03:22:41] [INFO ] Invariant cache hit.
[2023-03-11 03:22:41] [INFO ] Dead Transitions using invariants and state equation in 912 ms found 0 transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 4590 ms. Remains : 879/879 places, 2072/2072 transitions.
Performed 6 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 0 with 6 Pre rules applied. Total rules applied 0 place count 879 transition count 2066
Deduced a syphon composed of 6 places in 3 ms
Reduce places removed 6 places and 0 transitions.
Iterating global reduction 0 with 12 rules applied. Total rules applied 12 place count 873 transition count 2066
Applied a total of 12 rules in 39 ms. Remains 873 /879 variables (removed 6) and now considering 2066/2072 (removed 6) transitions.
Running SMT prover for 5 properties.
// Phase 1: matrix 2066 rows 873 cols
[2023-03-11 03:22:42] [INFO ] Computed 95 place invariants in 36 ms
[2023-03-11 03:22:42] [INFO ] [Real]Absence check using 19 positive place invariants in 6 ms returned sat
[2023-03-11 03:22:42] [INFO ] [Real]Absence check using 19 positive and 76 generalized place invariants in 31 ms returned sat
[2023-03-11 03:22:42] [INFO ] After 270ms SMT Verify possible using all constraints in real domain returned unsat :0 sat :0 real:5
[2023-03-11 03:22:42] [INFO ] [Nat]Absence check using 19 positive place invariants in 8 ms returned sat
[2023-03-11 03:22:42] [INFO ] [Nat]Absence check using 19 positive and 76 generalized place invariants in 55 ms returned sat
[2023-03-11 03:23:10] [INFO ] After 28016ms SMT Verify possible using state equation in natural domain returned unsat :0 sat :2
[2023-03-11 03:23:11] [INFO ] After 28524ms SMT Verify possible using trap constraints in natural domain returned unsat :0 sat :2
Attempting to minimize the solution found.
Minimization took 168 ms.
[2023-03-11 03:23:11] [INFO ] After 29126ms SMT Verify possible using all constraints in natural domain returned unsat :0 sat :2
ITS runner failed with exception null
java.lang.InterruptedException
at java.base/java.lang.Object.wait(Native Method)
at java.base/java.lang.Thread.join(Thread.java:1304)
at java.base/java.lang.Thread.join(Thread.java:1372)
at fr.lip6.move.gal.application.runner.AbstractRunner.join(AbstractRunner.java:27)
at fr.lip6.move.gal.application.runner.its.ITSRunner.join(ITSRunner.java:177)
at fr.lip6.move.gal.application.solver.global.GlobalPropertySolver.verifyWithSDD(GlobalPropertySolver.java:675)
at fr.lip6.move.gal.application.solver.ReachabilitySolver.lambda$2(ReachabilitySolver.java:63)
at java.base/java.lang.Thread.run(Thread.java:833)
[2023-03-11 03:23:11] [INFO ] Flatten gal took : 125 ms
[2023-03-11 03:23:11] [INFO ] Applying decomposition
[2023-03-11 03:23:11] [INFO ] Flatten gal took : 116 ms
Converted graph to binary with : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.louvain.binaries_1.0.0.202303021504/bin/convert-linux64' '-i' '/tmp/graph3898079551962570118.txt' '-o' '/tmp/graph3898079551962570118.bin' '-w' '/tmp/graph3898079551962570118.weights'
Built communities with : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.louvain.binaries_1.0.0.202303021504/bin/louvain-linux64' '/tmp/graph3898079551962570118.bin' '-l' '-1' '-v' '-w' '/tmp/graph3898079551962570118.weights' '-q' '0' '-e' '0.001'
[2023-03-11 03:23:12] [INFO ] Decomposing Gal with order
[2023-03-11 03:23:12] [INFO ] Rewriting arrays to variables to allow decomposition.
[2023-03-11 03:23:12] [INFO ] Removed a total of 4200 redundant transitions.
[2023-03-11 03:23:12] [INFO ] Flatten gal took : 329 ms
[2023-03-11 03:23:12] [INFO ] Fuse similar labels procedure discarded/fused a total of 50 labels/synchronizations in 81 ms.
[2023-03-11 03:23:13] [INFO ] Time to serialize gal into /tmp/ReachabilityCardinality10045727625843250189.gal : 35 ms
[2023-03-11 03:23:13] [INFO ] Time to serialize properties into /tmp/ReachabilityCardinality3444970400986889469.prop : 1 ms
Invoking ITS tools like this :cd /home/mcc/execution;'/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202303021504/bin/its-reach-linux64' '--gc-threshold' '2000000' '--quiet' '-i' '/tmp/ReachabilityCardinality10045727625843250189.gal' '-t' 'CGAL' '-reachable-file' '/tmp/ReachabilityCardinality3444970400986889469.prop' '--nowitness'

its-reach command run as :

/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202303021504/bin/its-reach-linux64 --gc-threshold 2000000 --quiet ...308
Loading property file /tmp/ReachabilityCardinality3444970400986889469.prop.
SDD proceeding with computation,5 properties remain. new max is 4
SDD size :1 after 1
SDD proceeding with computation,5 properties remain. new max is 8
SDD size :1 after 1
SDD proceeding with computation,5 properties remain. new max is 16
SDD size :1 after 11
SDD proceeding with computation,5 properties remain. new max is 32
SDD size :11 after 2.69232e+11
SDD proceeding with computation,5 properties remain. new max is 64
SDD size :2.69232e+11 after 6.34256e+30
Detected timeout of ITS tools.
Detected timeout of ITS tools.
[2023-03-11 03:53:13] [INFO ] Flatten gal took : 140 ms
Using solver Z3 to compute partial order matrices.
Built C files in :
/tmp/ltsmin2549216578324151870
[2023-03-11 03:53:13] [INFO ] Too many transitions (2072) to apply POR reductions. Disabling POR matrices.
[2023-03-11 03:53:13] [INFO ] Built C files in 24ms conformant to PINS (ltsmin variant)in folder :/tmp/ltsmin2549216578324151870
Running compilation step : cd /tmp/ltsmin2549216578324151870;'/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.ltsmin.binaries_1.0.0.202303021504/bin/limit_time.pl' '144' 'gcc' '-c' '-I/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.ltsmin.binaries_1.0.0.202303021504/bin/include/' '-I.' '-std=c99' '-fPIC' '-O0' 'model.c'
[2023-03-11 03:53:13] [INFO ] Applying decomposition
[2023-03-11 03:53:13] [INFO ] Flatten gal took : 87 ms
Converted graph to binary with : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.louvain.binaries_1.0.0.202303021504/bin/convert-linux64' '-i' '/tmp/graph13817234983372012342.txt' '-o' '/tmp/graph13817234983372012342.bin' '-w' '/tmp/graph13817234983372012342.weights'
Built communities with : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.louvain.binaries_1.0.0.202303021504/bin/louvain-linux64' '/tmp/graph13817234983372012342.bin' '-l' '-1' '-v' '-w' '/tmp/graph13817234983372012342.weights' '-q' '0' '-e' '0.001'
[2023-03-11 03:53:13] [INFO ] Decomposing Gal with order
[2023-03-11 03:53:13] [INFO ] Rewriting arrays to variables to allow decomposition.
[2023-03-11 03:53:13] [INFO ] Removed a total of 4182 redundant transitions.
[2023-03-11 03:53:13] [INFO ] Flatten gal took : 126 ms
[2023-03-11 03:53:13] [INFO ] Fuse similar labels procedure discarded/fused a total of 175 labels/synchronizations in 27 ms.
[2023-03-11 03:53:13] [INFO ] Time to serialize gal into /tmp/ReachabilityCardinality11719585136749864318.gal : 12 ms
[2023-03-11 03:53:13] [INFO ] Time to serialize properties into /tmp/ReachabilityCardinality2126823676059621648.prop : 1 ms
Invoking ITS tools like this :cd /home/mcc/execution;'/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202303021504/bin/its-reach-linux64' '--gc-threshold' '2000000' '--quiet' '-i' '/tmp/ReachabilityCardinality11719585136749864318.gal' '-t' 'CGAL' '-reachable-file' '/tmp/ReachabilityCardinality2126823676059621648.prop' '--nowitness'

its-reach command run as :

/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202303021504/bin/its-reach-linux64 --gc-threshold 2000000 --quiet ...308
Loading property file /tmp/ReachabilityCardinality2126823676059621648.prop.
SDD proceeding with computation,5 properties remain. new max is 4
SDD size :1 after 1
SDD proceeding with computation,5 properties remain. new max is 8
SDD size :1 after 6
SDD proceeding with computation,5 properties remain. new max is 16
SDD size :6 after 91
SDD proceeding with computation,5 properties remain. new max is 32
SDD size :91 after 91921
SDD proceeding with computation,5 properties remain. new max is 64
SDD size :91921 after 1.14537e+13
SDD proceeding with computation,5 properties remain. new max is 128
SDD size :1.14537e+13 after 1.70333e+14
SDD proceeding with computation,5 properties remain. new max is 256
SDD size :1.70333e+14 after 2.31434e+15
SDD proceeding with computation,5 properties remain. new max is 512
SDD size :2.31434e+15 after 4.81563e+15
SDD proceeding with computation,5 properties remain. new max is 1024
SDD size :4.81563e+15 after 1.81691e+16
Compilation finished in 4712 ms.
Running link step : cd /tmp/ltsmin2549216578324151870;'gcc' '-shared' '-o' 'gal.so' 'model.o'
Link finished in 65 ms.
Running LTSmin : cd /tmp/ltsmin2549216578324151870;'/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.ltsmin.binaries_1.0.0.202303021504/bin/pins2lts-mc-linux64' './gal.so' '--threads=8' '-p' '--pins-guards' '--when' '-i' 'ASLinkPT10aReachabilityCardinality03==true'
SDD proceeding with computation,5 properties remain. new max is 2048
SDD size :1.81691e+16 after 4.51353e+16
SDD proceeding with computation,5 properties remain. new max is 4096
SDD size :4.51353e+16 after 1.27369e+17
SDD proceeding with computation,5 properties remain. new max is 8192
SDD size :1.27369e+17 after 2.46094e+17
SDD proceeding with computation,5 properties remain. new max is 16384
SDD size :2.46094e+17 after 7.40482e+17
SDD proceeding with computation,5 properties remain. new max is 32768
SDD size :7.40482e+17 after 1.61191e+18
SDD proceeding with computation,5 properties remain. new max is 65536
SDD size :1.61191e+18 after 2.49023e+18
WARNING : LTSmin timed out (>720 s) on command cd /tmp/ltsmin2549216578324151870;'/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.ltsmin.binaries_1.0.0.202303021504/bin/pins2lts-mc-linux64' './gal.so' '--threads=8' '-p' '--pins-guards' '--when' '-i' 'ASLinkPT10aReachabilityCardinality03==true'
Running LTSmin : cd /tmp/ltsmin2549216578324151870;'/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.ltsmin.binaries_1.0.0.202303021504/bin/pins2lts-mc-linux64' './gal.so' '--threads=8' '-p' '--pins-guards' '--when' '-i' 'ASLinkPT10aReachabilityCardinality04==true'
WARNING : LTSmin timed out (>720 s) on command cd /tmp/ltsmin2549216578324151870;'/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.ltsmin.binaries_1.0.0.202303021504/bin/pins2lts-mc-linux64' './gal.so' '--threads=8' '-p' '--pins-guards' '--when' '-i' 'ASLinkPT10aReachabilityCardinality04==true'
Running LTSmin : cd /tmp/ltsmin2549216578324151870;'/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.ltsmin.binaries_1.0.0.202303021504/bin/pins2lts-mc-linux64' './gal.so' '--threads=8' '-p' '--pins-guards' '--when' '-i' 'ASLinkPT10aReachabilityCardinality05==true'
TIME LIMIT: Killed by timeout after 3600 seconds
MemTotal: 16393220 kB
MemFree: 4940012 kB
After kill :
MemTotal: 16393220 kB
MemFree: 16073264 kB

BK_TIME_CONFINEMENT_REACHED

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

+ export BINDIR=/home/mcc/BenchKit/bin//../itstools/bin//../
+ BINDIR=/home/mcc/BenchKit/bin//../itstools/bin//../
++ pwd
+ export MODEL=/home/mcc/execution
+ MODEL=/home/mcc/execution
+ [[ ReachabilityCardinality = StateSpace ]]
+ /home/mcc/BenchKit/bin//../itstools/bin//..//runeclipse.sh /home/mcc/execution ReachabilityCardinality -its -ltsmin -greatspnpath /home/mcc/BenchKit/bin//../itstools/bin//..//greatspn/ -order META -manyOrder -smt -timeout 3600
+ ulimit -s 65536
+ [[ -z '' ]]
+ export LTSMIN_MEM_SIZE=8589934592
+ LTSMIN_MEM_SIZE=8589934592
+ export PYTHONPATH=/home/mcc/BenchKit/itstools/pylibs
+ PYTHONPATH=/home/mcc/BenchKit/itstools/pylibs
+ export LD_LIBRARY_PATH=/home/mcc/BenchKit/itstools/pylibs:
+ LD_LIBRARY_PATH=/home/mcc/BenchKit/itstools/pylibs:
++ sed s/.jar//
++ perl -pe 's/.*\.//g'
++ ls /home/mcc/BenchKit/bin//../itstools/bin//..//itstools/plugins/fr.lip6.move.gal.application.pnmcc_1.0.0.202303021504.jar
+ VERSION=202303021504
+ echo 'Running Version 202303021504'
+ /home/mcc/BenchKit/bin//../itstools/bin//..//itstools/its-tools -pnfolder /home/mcc/execution -examination ReachabilityCardinality -its -ltsmin -greatspnpath /home/mcc/BenchKit/bin//../itstools/bin//..//greatspn/ -order META -manyOrder -smt -timeout 3600

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="ASLink-PT-10a"
export BK_EXAMINATION="ReachabilityCardinality"
export BK_TOOL="itstools"
export BK_RESULT_DIR="/tmp/BK_RESULTS/OUTPUTS"
export BK_TIME_CONFINEMENT="3600"
export BK_MEMORY_CONFINEMENT="16384"
export BK_BIN_PATH="/home/mcc/BenchKit/bin/"

# this is specific to your benchmark or test

export BIN_DIR="$HOME/BenchKit/bin"

# remove the execution directoty if it exists (to avoid increse of .vmdk images)
if [ -d execution ] ; then
rm -rf execution
fi

# this is for BenchKit: explicit launching of the test
echo "====================================================================="
echo " Generated by BenchKit 2-5348"
echo " Executing tool itstools"
echo " Input is ASLink-PT-10a, 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 r005-oct2-167813592700158"
echo "====================================================================="
echo
echo "--------------------"
echo "preparation of the directory to be used:"

tar xzf /home/mcc/BenchKit/INPUTS/ASLink-PT-10a.tgz
mv ASLink-PT-10a 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 '' ReachabilityCardinality.xml | cut -d '>' -f 2 | cut -d '<' -f 1 | sort -u) ; do
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 ;