About the Execution of ITS-Tools for Echo-PT-d05r03
Execution Summary | |||||
Max Memory Used (MB) |
Time wait (ms) | CPU Usage (ms) | I/O Wait (ms) | Computed Result | Execution Status |
16218.880 | 3600000.00 | 8474684.00 | 374453.00 | FTTTFFTT?TFFTTF? | 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.r165-tall-167838849900118.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 itstools
Input is Echo-PT-d05r03, examination is ReachabilityCardinality
Time confinement is 3600 seconds
Memory confinement is 16384 MBytes
Number of cores is 4
Run identifier is r165-tall-167838849900118
=====================================================================
--------------------
preparation of the directory to be used:
/home/mcc/execution
total 2.8M
-rw-r--r-- 1 mcc users 6.0K Feb 25 14:08 CTLCardinality.txt
-rw-r--r-- 1 mcc users 61K Feb 25 14:08 CTLCardinality.xml
-rw-r--r-- 1 mcc users 5.3K Feb 25 14:07 CTLFireability.txt
-rw-r--r-- 1 mcc users 47K Feb 25 14:07 CTLFireability.xml
-rw-r--r-- 1 mcc users 4.2K Jan 29 11:40 GenericPropertiesDefinition.xml
-rw-r--r-- 1 mcc users 5.9K Jan 29 11:40 GenericPropertiesVerdict.xml
-rw-r--r-- 1 mcc users 3.9K Feb 25 16:03 LTLCardinality.txt
-rw-r--r-- 1 mcc users 27K Feb 25 16:03 LTLCardinality.xml
-rw-r--r-- 1 mcc users 2.2K Feb 25 16:03 LTLFireability.txt
-rw-r--r-- 1 mcc users 17K Feb 25 16:03 LTLFireability.xml
-rw-r--r-- 1 mcc users 16K Feb 25 14:12 ReachabilityCardinality.txt
-rw-r--r-- 1 mcc users 173K Feb 25 14:12 ReachabilityCardinality.xml
-rw-r--r-- 1 mcc users 7.7K Feb 25 14:10 ReachabilityFireability.txt
-rw-r--r-- 1 mcc users 63K Feb 25 14:10 ReachabilityFireability.xml
-rw-r--r-- 1 mcc users 1.6K Feb 25 16:03 UpperBounds.txt
-rw-r--r-- 1 mcc users 3.6K Feb 25 16:03 UpperBounds.xml
-rw-r--r-- 1 mcc users 6 Mar 5 18:22 equiv_col
-rw-r--r-- 1 mcc users 7 Mar 5 18:22 instance
-rw-r--r-- 1 mcc users 6 Mar 5 18:22 iscolored
-rw-r--r-- 1 mcc users 2.3M 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 Echo-PT-d05r03-ReachabilityCardinality-00
FORMULA_NAME Echo-PT-d05r03-ReachabilityCardinality-01
FORMULA_NAME Echo-PT-d05r03-ReachabilityCardinality-02
FORMULA_NAME Echo-PT-d05r03-ReachabilityCardinality-03
FORMULA_NAME Echo-PT-d05r03-ReachabilityCardinality-04
FORMULA_NAME Echo-PT-d05r03-ReachabilityCardinality-05
FORMULA_NAME Echo-PT-d05r03-ReachabilityCardinality-06
FORMULA_NAME Echo-PT-d05r03-ReachabilityCardinality-07
FORMULA_NAME Echo-PT-d05r03-ReachabilityCardinality-08
FORMULA_NAME Echo-PT-d05r03-ReachabilityCardinality-09
FORMULA_NAME Echo-PT-d05r03-ReachabilityCardinality-10
FORMULA_NAME Echo-PT-d05r03-ReachabilityCardinality-11
FORMULA_NAME Echo-PT-d05r03-ReachabilityCardinality-12
FORMULA_NAME Echo-PT-d05r03-ReachabilityCardinality-13
FORMULA_NAME Echo-PT-d05r03-ReachabilityCardinality-14
FORMULA_NAME Echo-PT-d05r03-ReachabilityCardinality-15
=== Now, execution of the tool begins
BK_START 1679441069096
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=Echo-PT-d05r03
Not applying reductions.
Model is PT
ReachabilityCardinality PT
Running Version 202303021504
[2023-03-21 23:24:30] [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]
[2023-03-21 23:24:30] [INFO ] Parsing pnml file : /home/mcc/execution/model.pnml
[2023-03-21 23:24:30] [INFO ] Load time of PNML (sax parser for PT used): 231 ms
[2023-03-21 23:24:30] [INFO ] Transformed 3717 places.
[2023-03-21 23:24:31] [INFO ] Transformed 3222 transitions.
[2023-03-21 23:24:31] [INFO ] Found NUPN structural information;
[2023-03-21 23:24:31] [INFO ] Parsed PT model containing 3717 places and 3222 transitions and 28404 arcs in 479 ms.
Parsed 16 properties from file /home/mcc/execution/ReachabilityCardinality.xml in 25 ms.
Working with output stream class java.io.PrintStream
FORMULA Echo-PT-d05r03-ReachabilityCardinality-02 TRUE TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA Echo-PT-d05r03-ReachabilityCardinality-03 TRUE TECHNIQUES TOPOLOGICAL INITIAL_STATE
[2023-03-21 23:24:32] [INFO ] Flatten gal took : 572 ms
Incomplete random walk after 10000 steps, including 20 resets, run finished after 930 ms. (steps per millisecond=10 ) properties (out of 14) seen :10
FORMULA Echo-PT-d05r03-ReachabilityCardinality-14 FALSE TECHNIQUES TOPOLOGICAL RANDOM_WALK
FORMULA Echo-PT-d05r03-ReachabilityCardinality-13 TRUE TECHNIQUES TOPOLOGICAL RANDOM_WALK
FORMULA Echo-PT-d05r03-ReachabilityCardinality-12 TRUE TECHNIQUES TOPOLOGICAL RANDOM_WALK
FORMULA Echo-PT-d05r03-ReachabilityCardinality-11 FALSE TECHNIQUES TOPOLOGICAL RANDOM_WALK
FORMULA Echo-PT-d05r03-ReachabilityCardinality-10 FALSE TECHNIQUES TOPOLOGICAL RANDOM_WALK
FORMULA Echo-PT-d05r03-ReachabilityCardinality-09 TRUE TECHNIQUES TOPOLOGICAL RANDOM_WALK
FORMULA Echo-PT-d05r03-ReachabilityCardinality-07 TRUE TECHNIQUES TOPOLOGICAL RANDOM_WALK
FORMULA Echo-PT-d05r03-ReachabilityCardinality-06 TRUE TECHNIQUES TOPOLOGICAL RANDOM_WALK
FORMULA Echo-PT-d05r03-ReachabilityCardinality-05 FALSE TECHNIQUES TOPOLOGICAL RANDOM_WALK
FORMULA Echo-PT-d05r03-ReachabilityCardinality-00 FALSE TECHNIQUES TOPOLOGICAL RANDOM_WALK
Incomplete Best-First random walk after 10001 steps, including 2 resets, run finished after 122 ms. (steps per millisecond=81 ) properties (out of 4) seen :0
Incomplete Best-First random walk after 10001 steps, including 2 resets, run finished after 92 ms. (steps per millisecond=108 ) properties (out of 4) seen :0
[2023-03-21 23:24:32] [INFO ] Flatten gal took : 297 ms
Incomplete Best-First random walk after 10001 steps, including 2 resets, run finished after 130 ms. (steps per millisecond=76 ) properties (out of 4) seen :0
Incomplete Best-First random walk after 10001 steps, including 2 resets, run finished after 103 ms. (steps per millisecond=97 ) properties (out of 4) seen :0
[2023-03-21 23:24:32] [INFO ] Time to serialize gal into /tmp/ReachabilityCardinality3477971020536380090.gal : 133 ms
[2023-03-21 23:24:32] [INFO ] Time to serialize properties into /tmp/ReachabilityCardinality13019647035367599344.prop : 2 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/ReachabilityCardinality3477971020536380090.gal' '-t' 'CGAL' '-reachable-file' '/tmp/ReachabilityCardinality13019647035367599344.prop' '--nowitness' '--gen-order' 'FOLLOW'
Running SMT prover for 4 properties.
its-reach command run as :
/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202303021504/bin/its-reach-linux64 --gc-threshold 2000000 --quiet ...329
// Phase 1: matrix 3222 rows 3717 cols
[2023-03-21 23:24:32] [INFO ] Computed 1863 place invariants in 292 ms
Loading property file /tmp/ReachabilityCardinality13019647035367599344.prop.
[2023-03-21 23:24:33] [INFO ] After 1089ms SMT Verify possible using all constraints in real domain returned unsat :0 sat :0 real:4
[2023-03-21 23:24:34] [INFO ] [Nat]Absence check using 201 positive place invariants in 78 ms returned sat
[2023-03-21 23:24:35] [INFO ] [Nat]Absence check using 201 positive and 1662 generalized place invariants in 774 ms returned sat
SDD proceeding with computation,14 properties remain. new max is 4
SDD size :1 after 3
SDD proceeding with computation,14 properties remain. new max is 8
SDD size :3 after 6
SDD proceeding with computation,14 properties remain. new max is 16
SDD size :6 after 13
SDD proceeding with computation,14 properties remain. new max is 32
SDD size :13 after 93
SDD proceeding with computation,14 properties remain. new max is 64
SDD size :93 after 524
SDD proceeding with computation,14 properties remain. new max is 128
SDD size :524 after 1618
[2023-03-21 23:24:50] [INFO ] After 14599ms SMT Verify possible using state equation in natural domain returned unsat :0 sat :4
[2023-03-21 23:24:52] [INFO ] Deduced a trap composed of 14 places in 738 ms of which 14 ms to minimize.
SDD proceeding with computation,14 properties remain. new max is 256
SDD size :1618 after 1801
[2023-03-21 23:24:54] [INFO ] Deduced a trap composed of 15 places in 660 ms of which 2 ms to minimize.
[2023-03-21 23:24:55] [INFO ] Deduced a trap composed of 11 places in 730 ms of which 11 ms to minimize.
[2023-03-21 23:24:56] [INFO ] Deduced a trap composed of 12 places in 796 ms of which 3 ms to minimize.
[2023-03-21 23:24:57] [INFO ] Deduced a trap composed of 71 places in 694 ms of which 2 ms to minimize.
[2023-03-21 23:24:58] [INFO ] Deduced a trap composed of 10 places in 641 ms of which 2 ms to minimize.
[2023-03-21 23:24:59] [INFO ] Deduced a trap composed of 10 places in 635 ms of which 1 ms to minimize.
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.refineWithTraps(DeadlockTester.java:1255)
at fr.lip6.move.gal.structural.smt.DeadlockTester.refineResultsWithTraps(DeadlockTester.java:736)
at fr.lip6.move.gal.structural.smt.DeadlockTester.verifyPossible(DeadlockTester.java:656)
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)
[2023-03-21 23:24:59] [WARNING] SMT solver failed with error :SMT solver raised an error when submitting script.... while checking expressions.
[2023-03-21 23:24:59] [INFO ] After 25597ms SMT Verify possible using all constraints in natural domain returned unsat :0 sat :0 real:4
Parikh walk visited 0 properties in 29 ms.
Support contains 103 out of 3717 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 3717/3717 places, 3222/3222 transitions.
Graph (complete) has 19042 edges and 3717 vertex of which 3459 are kept as prefixes of interest. Removing 258 places using SCC suffix rule.24 ms
Discarding 258 places :
Also discarding 1 output transitions
Drop transitions removed 1 transitions
Drop transitions removed 8 transitions
Reduce isomorphic transitions removed 8 transitions.
Iterating post reduction 0 with 8 rules applied. Total rules applied 9 place count 3459 transition count 3213
Reduce places removed 1 places and 1 transitions.
Iterating global reduction 1 with 1 rules applied. Total rules applied 10 place count 3458 transition count 3212
Applied a total of 10 rules in 691 ms. Remains 3458 /3717 variables (removed 259) and now considering 3212/3222 (removed 10) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 693 ms. Remains : 3458/3717 places, 3212/3222 transitions.
Incomplete random walk after 10000 steps, including 20 resets, run finished after 523 ms. (steps per millisecond=19 ) properties (out of 4) seen :0
Incomplete Best-First random walk after 10001 steps, including 2 resets, run finished after 94 ms. (steps per millisecond=106 ) properties (out of 4) seen :0
Incomplete Best-First random walk after 10001 steps, including 2 resets, run finished after 82 ms. (steps per millisecond=121 ) properties (out of 4) seen :0
Incomplete Best-First random walk after 10001 steps, including 2 resets, run finished after 98 ms. (steps per millisecond=102 ) properties (out of 4) seen :0
Incomplete Best-First random walk after 10001 steps, including 2 resets, run finished after 86 ms. (steps per millisecond=116 ) properties (out of 4) seen :0
Interrupted probabilistic random walk after 95501 steps, run timeout after 3001 ms. (steps per millisecond=31 ) properties seen :{0=1}
Probabilistic random walk after 95501 steps, saw 70452 distinct states, run finished after 3004 ms. (steps per millisecond=31 ) properties seen :1
FORMULA Echo-PT-d05r03-ReachabilityCardinality-01 TRUE TECHNIQUES TOPOLOGICAL PROBABILISTIC_WALK
Running SMT prover for 3 properties.
// Phase 1: matrix 3212 rows 3458 cols
SDD proceeding with computation,14 properties remain. new max is 512
SDD size :1801 after 6921
[2023-03-21 23:25:17] [INFO ] Invariants computation overflowed in 13658 ms
[2023-03-21 23:25:18] [INFO ] After 609ms SMT Verify possible using all constraints in real domain returned unsat :0 sat :0 real:3
SDD proceeding with computation,14 properties remain. new max is 1024
SDD size :6921 after 11138
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.checkResults(DeadlockTester.java:797)
at fr.lip6.move.gal.structural.smt.DeadlockTester.verifyPossible(DeadlockTester.java:631)
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)
[2023-03-21 23:25:43] [WARNING] SMT solver failed with error :SMT solver raised an error when submitting script.... while checking expressions.
[2023-03-21 23:25:43] [INFO ] After 25023ms SMT Verify possible using all constraints in natural domain returned unsat :0 sat :0 real:3
Fused 3 Parikh solutions to 1 different solutions.
Parikh walk visited 0 properties in 0 ms.
Support contains 67 out of 3458 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 3458/3458 places, 3212/3212 transitions.
Graph (complete) has 15734 edges and 3458 vertex of which 3457 are kept as prefixes of interest. Removing 1 places using SCC suffix rule.4 ms
Discarding 1 places :
Also discarding 0 output transitions
Drop transitions removed 1 transitions
Reduce isomorphic transitions removed 1 transitions.
Iterating post reduction 0 with 1 rules applied. Total rules applied 2 place count 3457 transition count 3211
Applied a total of 2 rules in 196 ms. Remains 3457 /3458 variables (removed 1) and now considering 3211/3212 (removed 1) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 196 ms. Remains : 3457/3458 places, 3211/3212 transitions.
Incomplete random walk after 10000 steps, including 20 resets, run finished after 450 ms. (steps per millisecond=22 ) properties (out of 3) seen :1
FORMULA Echo-PT-d05r03-ReachabilityCardinality-04 FALSE TECHNIQUES TOPOLOGICAL RANDOM_WALK
Incomplete Best-First random walk after 10001 steps, including 2 resets, run finished after 116 ms. (steps per millisecond=86 ) properties (out of 2) seen :0
Incomplete Best-First random walk after 10001 steps, including 2 resets, run finished after 82 ms. (steps per millisecond=121 ) properties (out of 2) seen :0
Running SMT prover for 2 properties.
// Phase 1: matrix 3211 rows 3457 cols
[2023-03-21 23:25:56] [INFO ] Invariants computation overflowed in 11761 ms
[2023-03-21 23:25:56] [INFO ] After 532ms SMT Verify possible using all constraints in real domain returned unsat :0 sat :0 real:2
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.checkResults(DeadlockTester.java:797)
at fr.lip6.move.gal.structural.smt.DeadlockTester.verifyPossible(DeadlockTester.java:631)
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)
[2023-03-21 23:26:21] [WARNING] SMT solver failed with error :SMT solver raised an error when submitting script.... while checking expressions.
[2023-03-21 23:26:21] [INFO ] After 25040ms SMT Verify possible using all constraints in natural domain returned unsat :0 sat :0 real:2
Fused 2 Parikh solutions to 1 different solutions.
Parikh walk visited 0 properties in 0 ms.
Support contains 63 out of 3457 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 3457/3457 places, 3211/3211 transitions.
Graph (complete) has 15732 edges and 3457 vertex of which 3456 are kept as prefixes of interest. Removing 1 places using SCC suffix rule.7 ms
Discarding 1 places :
Also discarding 0 output transitions
Applied a total of 1 rules in 177 ms. Remains 3456 /3457 variables (removed 1) and now considering 3211/3211 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 178 ms. Remains : 3456/3457 places, 3211/3211 transitions.
Incomplete random walk after 10000 steps, including 20 resets, run finished after 449 ms. (steps per millisecond=22 ) properties (out of 2) seen :0
Incomplete Best-First random walk after 10001 steps, including 2 resets, run finished after 96 ms. (steps per millisecond=104 ) properties (out of 2) seen :0
Incomplete Best-First random walk after 10001 steps, including 2 resets, run finished after 81 ms. (steps per millisecond=123 ) properties (out of 2) seen :0
Interrupted probabilistic random walk after 130684 steps, run timeout after 3003 ms. (steps per millisecond=43 ) properties seen :{}
Probabilistic random walk after 130684 steps, saw 93461 distinct states, run finished after 3006 ms. (steps per millisecond=43 ) properties seen :0
Running SMT prover for 2 properties.
// Phase 1: matrix 3211 rows 3456 cols
[2023-03-21 23:26:36] [INFO ] Invariants computation overflowed in 11203 ms
[2023-03-21 23:26:37] [INFO ] After 588ms SMT Verify possible using all constraints in real domain returned unsat :0 sat :0 real:2
SDD proceeding with computation,14 properties remain. new max is 2048
SDD size :11138 after 39322
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.checkResults(DeadlockTester.java:797)
at fr.lip6.move.gal.structural.smt.DeadlockTester.verifyPossible(DeadlockTester.java:631)
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)
[2023-03-21 23:27:02] [WARNING] SMT solver failed with error :SMT solver raised an error when submitting script.... while checking expressions.
[2023-03-21 23:27:02] [INFO ] After 25051ms SMT Verify possible using all constraints in natural domain returned unsat :0 sat :0 real:2
Fused 2 Parikh solutions to 1 different solutions.
Parikh walk visited 0 properties in 0 ms.
Support contains 63 out of 3456 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 3456/3456 places, 3211/3211 transitions.
Applied a total of 0 rules in 144 ms. Remains 3456 /3456 variables (removed 0) and now considering 3211/3211 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 144 ms. Remains : 3456/3456 places, 3211/3211 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 3456/3456 places, 3211/3211 transitions.
Applied a total of 0 rules in 142 ms. Remains 3456 /3456 variables (removed 0) and now considering 3211/3211 (removed 0) transitions.
// Phase 1: matrix 3211 rows 3456 cols
[2023-03-21 23:27:14] [INFO ] Invariants computation overflowed in 11330 ms
[2023-03-21 23:27:16] [INFO ] Implicit Places using invariants in 14026 ms returned []
// Phase 1: matrix 3211 rows 3456 cols
[2023-03-21 23:27:28] [INFO ] Invariants computation overflowed in 11313 ms
[2023-03-21 23:27:28] [INFO ] Implicit Places using invariants and state equation in 12155 ms returned []
Implicit Place search using SMT with State Equation took 26184 ms to find 0 implicit places.
[2023-03-21 23:27:29] [INFO ] Redundant transitions in 199 ms returned []
// Phase 1: matrix 3211 rows 3456 cols
[2023-03-21 23:27:41] [INFO ] Invariants computation overflowed in 12196 ms
[2023-03-21 23:27:43] [INFO ] Dead Transitions using invariants and state equation in 14175 ms found 0 transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 40713 ms. Remains : 3456/3456 places, 3211/3211 transitions.
Applied a total of 0 rules in 145 ms. Remains 3456 /3456 variables (removed 0) and now considering 3211/3211 (removed 0) transitions.
Running SMT prover for 2 properties.
// Phase 1: matrix 3211 rows 3456 cols
[2023-03-21 23:27:55] [INFO ] Invariants computation overflowed in 12162 ms
[2023-03-21 23:27:56] [INFO ] After 580ms SMT Verify possible using all constraints in real domain returned unsat :0 sat :0 real:2
SDD proceeding with computation,14 properties remain. new max is 4096
SDD size :39322 after 114296
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.checkResults(DeadlockTester.java:797)
at fr.lip6.move.gal.structural.smt.DeadlockTester.verifyPossible(DeadlockTester.java:631)
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.structural.smt.DeadlockTester.testUnreachableWithSMT(DeadlockTester.java:215)
at fr.lip6.move.gal.application.solver.ReachabilitySolver.applyReductions(ReachabilitySolver.java:273)
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)
[2023-03-21 23:31:41] [WARNING] SMT solver failed with error :SMT solver raised an error when submitting script.... while checking expressions.
[2023-03-21 23:31:41] [INFO ] After 225056ms SMT Verify possible using all constraints in natural domain returned unsat :0 sat :0 real: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)
[2023-03-21 23:31:41] [INFO ] Flatten gal took : 276 ms
[2023-03-21 23:31:41] [INFO ] Applying decomposition
[2023-03-21 23:31:41] [INFO ] Flatten gal took : 262 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/graph16599170887492329715.txt' '-o' '/tmp/graph16599170887492329715.bin' '-w' '/tmp/graph16599170887492329715.weights'
Built communities with : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.louvain.binaries_1.0.0.202303021504/bin/louvain-linux64' '/tmp/graph16599170887492329715.bin' '-l' '-1' '-v' '-w' '/tmp/graph16599170887492329715.weights' '-q' '0' '-e' '0.001'
[2023-03-21 23:31:42] [INFO ] Decomposing Gal with order
[2023-03-21 23:31:42] [INFO ] Rewriting arrays to variables to allow decomposition.
[2023-03-21 23:31:43] [INFO ] Removed a total of 8288 redundant transitions.
[2023-03-21 23:31:43] [INFO ] Flatten gal took : 697 ms
[2023-03-21 23:31:44] [INFO ] Fuse similar labels procedure discarded/fused a total of 1036 labels/synchronizations in 225 ms.
[2023-03-21 23:31:44] [INFO ] Time to serialize gal into /tmp/ReachabilityCardinality13528014954221652885.gal : 83 ms
[2023-03-21 23:31:44] [INFO ] Time to serialize properties into /tmp/ReachabilityCardinality9274522246082972804.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/ReachabilityCardinality13528014954221652885.gal' '-t' 'CGAL' '-reachable-file' '/tmp/ReachabilityCardinality9274522246082972804.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/ReachabilityCardinality9274522246082972804.prop.
SDD proceeding with computation,2 properties remain. new max is 4
SDD size :1 after 1
SDD proceeding with computation,2 properties remain. new max is 8
SDD size :1 after 1
SDD proceeding with computation,2 properties remain. new max is 16
SDD size :1 after 1
SDD proceeding with computation,2 properties remain. new max is 32
SDD size :1 after 1
SDD proceeding with computation,2 properties remain. new max is 64
SDD size :1 after 1
SDD proceeding with computation,2 properties remain. new max is 128
SDD size :1 after 1
SDD proceeding with computation,2 properties remain. new max is 256
SDD size :1 after 1
SDD proceeding with computation,2 properties remain. new max is 512
SDD size :1 after 3.56819e+10
SDD proceeding with computation,2 properties remain. new max is 1024
SDD size :3.56819e+10 after 1.0104e+13
SDD proceeding with computation,2 properties remain. new max is 2048
SDD size :1.0104e+13 after 5.82473e+13
SDD proceeding with computation,14 properties remain. new max is 8192
SDD size :114296 after 478458
ITS-tools command line returned an error code 137
ITS-tools command line returned an error code 137
[2023-03-21 23:56:26] [INFO ] Flatten gal took : 1049 ms
Using solver Z3 to compute partial order matrices.
Built C files in :
/tmp/ltsmin17129905114195846761
[2023-03-21 23:56:26] [INFO ] Too many transitions (3211) to apply POR reductions. Disabling POR matrices.
[2023-03-21 23:56:26] [INFO ] Built C files in 448ms conformant to PINS (ltsmin variant)in folder :/tmp/ltsmin17129905114195846761
[2023-03-21 23:56:26] [INFO ] Applying decomposition
Running compilation step : cd /tmp/ltsmin17129905114195846761;'/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.ltsmin.binaries_1.0.0.202303021504/bin/limit_time.pl' '360' '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'
[2023-03-21 23:56:27] [INFO ] Flatten gal took : 895 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/graph10473705984045535520.txt' '-o' '/tmp/graph10473705984045535520.bin' '-w' '/tmp/graph10473705984045535520.weights'
Built communities with : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.louvain.binaries_1.0.0.202303021504/bin/louvain-linux64' '/tmp/graph10473705984045535520.bin' '-l' '-1' '-v' '-w' '/tmp/graph10473705984045535520.weights' '-q' '0' '-e' '0.001'
[2023-03-21 23:56:36] [INFO ] Decomposing Gal with order
[2023-03-21 23:56:36] [INFO ] Rewriting arrays to variables to allow decomposition.
[2023-03-21 23:56:37] [INFO ] Removed a total of 8249 redundant transitions.
[2023-03-21 23:56:37] [INFO ] Flatten gal took : 514 ms
[2023-03-21 23:56:37] [INFO ] Fuse similar labels procedure discarded/fused a total of 1114 labels/synchronizations in 160 ms.
[2023-03-21 23:56:37] [INFO ] Time to serialize gal into /tmp/ReachabilityCardinality4001737032746901974.gal : 44 ms
[2023-03-21 23:56:37] [INFO ] Time to serialize properties into /tmp/ReachabilityCardinality11997019020901791452.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/ReachabilityCardinality4001737032746901974.gal' '-t' 'CGAL' '-reachable-file' '/tmp/ReachabilityCardinality11997019020901791452.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/ReachabilityCardinality11997019020901791452.prop.
Compilation finished in 13492 ms.
Running link step : cd /tmp/ltsmin17129905114195846761;'gcc' '-shared' '-o' 'gal.so' 'model.o'
Link finished in 70 ms.
Running LTSmin : cd /tmp/ltsmin17129905114195846761;'/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' 'EchoPTd05r03ReachabilityCardinality08==true'
SDD proceeding with computation,2 properties remain. new max is 4
SDD size :1 after 2
SDD proceeding with computation,2 properties remain. new max is 8
SDD size :2 after 2
SDD proceeding with computation,2 properties remain. new max is 16
SDD size :2 after 834
SDD proceeding with computation,2 properties remain. new max is 32
SDD size :834 after 2.99314e+08
SDD proceeding with computation,2 properties remain. new max is 64
SDD size :2.99314e+08 after 3.38655e+11
TIME LIMIT: Killed by timeout after 3600 seconds
MemTotal: 16393216 kB
MemFree: 143552 kB
After kill :
MemTotal: 16393216 kB
MemFree: 16212168 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="Echo-PT-d05r03"
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 Echo-PT-d05r03, 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 r165-tall-167838849900118"
echo "====================================================================="
echo
echo "--------------------"
echo "preparation of the directory to be used:"
tar xzf /home/mcc/BenchKit/INPUTS/Echo-PT-d05r03.tgz
mv Echo-PT-d05r03 execution
cd execution
if [ "ReachabilityCardinality" = "ReachabilityDeadlock" ] || [ "ReachabilityCardinality" = "UpperBounds" ] || [ "ReachabilityCardinality" = "QuasiLiveness" ] || [ "ReachabilityCardinality" = "StableMarking" ] || [ "ReachabilityCardinality" = "Liveness" ] || [ "ReachabilityCardinality" = "OneSafe" ] || [ "ReachabilityCardinality" = "StateSpace" ]; then
rm -f GenericPropertiesVerdict.xml
fi
pwd
ls -lh
echo
echo "--------------------"
echo "content from stdout:"
echo
echo "=== Data for post analysis generated by BenchKit (invocation template)"
echo
if [ "ReachabilityCardinality" = "UpperBounds" ] ; then
echo "The expected result is a vector of positive values"
echo NUM_VECTOR
elif [ "ReachabilityCardinality" != "StateSpace" ] ; then
echo "The expected result is a vector of booleans"
echo BOOL_VECTOR
else
echo "no data necessary for post analysis"
fi
echo
if [ -f "ReachabilityCardinality.txt" ] ; then
echo "here is the order used to build the result vector(from text file)"
for x in $(grep Property ReachabilityCardinality.txt | cut -d ' ' -f 2 | sort -u) ; do
echo "FORMULA_NAME $x"
done
elif [ -f "ReachabilityCardinality.xml" ] ; then # for cunf (txt files deleted;-)
echo echo "here is the order used to build the result vector(from xml file)"
for x in $(grep '
echo "FORMULA_NAME $x"
done
elif [ "ReachabilityCardinality" = "ReachabilityDeadlock" ] || [ "ReachabilityCardinality" = "QuasiLiveness" ] || [ "ReachabilityCardinality" = "StableMarking" ] || [ "ReachabilityCardinality" = "Liveness" ] || [ "ReachabilityCardinality" = "OneSafe" ] ; then
echo "FORMULA_NAME ReachabilityCardinality"
fi
echo
echo "=== Now, execution of the tool begins"
echo
echo -n "BK_START "
date -u +%s%3N
echo
timeout -s 9 $BK_TIME_CONFINEMENT bash -c "/home/mcc/BenchKit/BenchKit_head.sh 2> STDERR ; echo ; echo -n \"BK_STOP \" ; date -u +%s%3N"
if [ $? -eq 137 ] ; then
echo
echo "BK_TIME_CONFINEMENT_REACHED"
fi
echo
echo "--------------------"
echo "content from stderr:"
echo
cat STDERR ;