Execution Chart

We display below the execution chart for this examination (boot time has been removed).

Trace from the execution

Formatting '/mnt/tpsp/fkordon/mcc2022-input.r018-tajo-165245749200195.qcow2', fmt=qcow2 size=4294967296 backing_file='/mnt/tpsp/fkordon/mcc2022-input.qcow2' encryption=off cluster_size=65536 lazy_refcounts=off
Waiting for the VM to be ready (probing ssh)
.................
=====================================================================
Generated by BenchKit 2-4028
Executing tool gold2021
Input is AirplaneLD-PT-4000, examination is OneSafe
Time confinement is 1800 seconds
Memory confinement is 16384 MBytes
Number of cores is 4
Run identifier is r018-tajo-165245749200195
=====================================================================

--------------------
preparation of the directory to be used:
/home/mcc/execution
total 45M
-rw-r--r-- 1 mcc users 1002K Apr 29 23:55 CTLCardinality.txt
-rw-r--r-- 1 mcc users 3.5M Apr 29 23:55 CTLCardinality.xml
-rw-r--r-- 1 mcc users 1.6M Apr 29 22:26 CTLFireability.txt
-rw-r--r-- 1 mcc users 8.5M Apr 29 22:26 CTLFireability.xml
-rw-r--r-- 1 mcc users 4.2K May 10 09:33 GenericPropertiesDefinition.xml
-rw-r--r-- 1 mcc users 2.1M May 9 07:02 LTLCardinality.txt
-rw-r--r-- 1 mcc users 4.7M May 9 07:02 LTLCardinality.xml
-rw-r--r-- 1 mcc users 1.2M May 9 07:02 LTLFireability.txt
-rw-r--r-- 1 mcc users 4.5M May 9 07:02 LTLFireability.xml
-rw-r--r-- 1 mcc users 191K May 9 07:02 UpperBounds.txt
-rw-r--r-- 1 mcc users 358K May 9 07:02 UpperBounds.xml
-rw-r--r-- 1 mcc users 5 May 10 09:33 equiv_col
-rw-r--r-- 1 mcc users 5 May 10 09:33 instance
-rw-r--r-- 1 mcc users 6 May 10 09:33 iscolored
-rw-r--r-- 1 mcc users 18M May 10 09:33 model.pnml

--------------------
content from stdout:

=== Data for post analysis generated by BenchKit (invocation template)

The expected result is a vector of booleans
BOOL_VECTOR

FORMULA_NAME OneSafe

=== Now, execution of the tool begins

BK_START 1652803823525

Running Version 0
[2022-05-17 16:10:25] [INFO ] Running its-tools with arguments : [-pnfolder, /home/mcc/execution, -examination, OneSafe, -spotpath, /home/mcc/BenchKit/bin//..//ltlfilt, -z3path, /home/mcc/BenchKit/bin//..//z3/bin/z3, -yices2path, /home/mcc/BenchKit/bin//..//yices/bin/yices, -its, -ltsmin, -greatspnpath, /home/mcc/BenchKit/bin//..//greatspn/, -order, META, -manyOrder, -smt, -timeout, 1800]
[2022-05-17 16:10:25] [INFO ] Parsing pnml file : /home/mcc/execution/model.pnml
[2022-05-17 16:10:27] [INFO ] Load time of PNML (sax parser for PT used): 1466 ms
[2022-05-17 16:10:27] [INFO ] Transformed 28019 places.
[2022-05-17 16:10:27] [INFO ] Transformed 32008 transitions.
[2022-05-17 16:10:27] [INFO ] Parsed PT model containing 28019 places and 32008 transitions in 1800 ms.
Reduce places removed 12002 places and 0 transitions.
// Phase 1: matrix 32008 rows 16017 cols
[2022-05-17 16:10:55] [INFO ] Computed 3 place invariants in 26750 ms
[2022-05-17 16:10:55] [INFO ] Rough structural analysis with invariants proved 11 places are one safe in 26814 ms (including invariant computation).
Incomplete random walk after 10000 steps, including 1259 resets, run finished after 29380 ms. (steps per millisecond=0 ) properties (out of 16006) seen :0
Probabilistic random walk after 30001 steps, saw 26939 distinct states, run finished after 12709 ms. (steps per millisecond=2 ) properties seen :{}
Running SMT prover for 16006 properties.
// Phase 1: matrix 32008 rows 16017 cols
[2022-05-17 16:12:05] [INFO ] Computed 3 place invariants in 25080 ms
[2022-05-17 16:12:30] [WARNING] SMT solver failed with error :SMT solver raised an error when submitting script.... while checking expressions.
Fused 16006 Parikh solutions to 1 different solutions.
Support contains 16006 out of 16017 places. Attempting structural reductions.
Starting structural reductions, iteration 0 : 16017/16017 places, 32008/32008 transitions.
Graph (complete) has 42023 edges and 16017 vertex of which 16013 are kept as prefixes of interest. Removing 4 places using SCC suffix rule.67 ms
Discarding 4 places :
Also discarding 0 output transitions
Drop transitions removed 2 transitions
Reduce isomorphic transitions removed 2 transitions.
Iterating post reduction 0 with 2 rules applied. Total rules applied 3 place count 16013 transition count 32006
Performed 2 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 1 with 2 Pre rules applied. Total rules applied 3 place count 16013 transition count 32004
Deduced a syphon composed of 2 places in 9 ms
Ensure Unique test removed 1 places
Reduce places removed 3 places and 0 transitions.
Iterating global reduction 1 with 5 rules applied. Total rules applied 8 place count 16010 transition count 32004
Applied a total of 8 rules in 560 ms. Remains 16010 /16017 variables (removed 7) and now considering 32004/32008 (removed 4) transitions.
Finished structural reductions, in 1 iterations. Remains : 16010/16017 places, 32004/32008 transitions.
[2022-05-17 16:12:34] [INFO ] Flatten gal took : 2163 ms
[2022-05-17 16:12:35] [INFO ] Flatten gal took : 1645 ms
[2022-05-17 16:12:36] [INFO ] Time to serialize gal into /tmp/ReachabilityCardinality8733004476107038856.gal : 265 ms
[2022-05-17 16:12:36] [INFO ] Time to serialize properties into /tmp/ReachabilityCardinality16979872229042283451.prop : 38 ms
Invoking ITS tools like this :CommandLine [args=[/home/mcc/BenchKit/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202104292328/bin/its-reach-linux64, --gc-threshold, 2000000, --quiet, -i, /tmp/ReachabilityCardinality8733004476107038856.gal, -t, CGAL, -reachable-file, /tmp/ReachabilityCardinality16979872229042283451.prop, --nowitness, --gen-order, FOLLOW], workingDir=/home/mcc/execution]

its-reach command run as :

/home/mcc/BenchKit/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202104292328/bin/its-reach-linux64 --gc-threshold 2000000 --quiet -i /tmp/ReachabilityCardinality8733004476107038856.gal -t CGAL -reachable-file /tmp/ReachabilityCardinality16979872229042283451.prop --nowitness --gen-order FOLLOW
Loading property file /tmp/ReachabilityCardinality16979872229042283451.prop.
Detected timeout of ITS tools.
[2022-05-17 16:12:52] [INFO ] Flatten gal took : 1149 ms
[2022-05-17 16:12:52] [INFO ] Applying decomposition
[2022-05-17 16:12:53] [INFO ] Flatten gal took : 1058 ms
Converted graph to binary with : CommandLine [args=[/home/mcc/BenchKit/itstools/plugins/fr.lip6.move.gal.louvain.binaries_1.0.0.202104292328/bin/convert-linux64, -i, /tmp/graph815488286968397097.txt, -o, /tmp/graph815488286968397097.bin, -w, /tmp/graph815488286968397097.weights], workingDir=null]
Built communities with : CommandLine [args=[/home/mcc/BenchKit/itstools/plugins/fr.lip6.move.gal.louvain.binaries_1.0.0.202104292328/bin/louvain-linux64, /tmp/graph815488286968397097.bin, -l, -1, -v, -w, /tmp/graph815488286968397097.weights, -q, 0, -e, 0.001], workingDir=null]
[2022-05-17 16:12:56] [INFO ] Decomposing Gal with order
[2022-05-17 16:12:58] [INFO ] Rewriting arrays to variables to allow decomposition.
[2022-05-17 16:14:06] [INFO ] Removed a total of 15995 redundant transitions.
[2022-05-17 16:14:08] [INFO ] Flatten gal took : 68852 ms
[2022-05-17 16:14:14] [INFO ] Fuse similar labels procedure discarded/fused a total of 16000 labels/synchronizations in 3364 ms.
[2022-05-17 16:14:14] [INFO ] Time to serialize gal into /tmp/ReachabilityCardinality6023901424242431143.gal : 78 ms
[2022-05-17 16:14:14] [INFO ] Time to serialize properties into /tmp/ReachabilityCardinality1559822832023018229.prop : 28 ms
Invoking ITS tools like this :CommandLine [args=[/home/mcc/BenchKit/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202104292328/bin/its-reach-linux64, --gc-threshold, 2000000, --quiet, -i, /tmp/ReachabilityCardinality6023901424242431143.gal, -t, CGAL, -reachable-file, /tmp/ReachabilityCardinality1559822832023018229.prop, --nowitness], workingDir=/home/mcc/execution]

its-reach command run as :

/home/mcc/BenchKit/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202104292328/bin/its-reach-linux64 --gc-threshold 2000000 --quiet -i /tmp/ReachabilityCardinality6023901424242431143.gal -t CGAL -reachable-file /tmp/ReachabilityCardinality1559822832023018229.prop --nowitness
Loading property file /tmp/ReachabilityCardinality1559822832023018229.prop.
Detected timeout of ITS tools.
Built C files in :
/tmp/ltsmin4257438753568477887
[2022-05-17 16:14:30] [INFO ] Built C files in 578ms conformant to PINS (ltsmin variant)in folder :/tmp/ltsmin4257438753568477887
Running compilation step : CommandLine [args=[gcc, -c, -I/home/mcc/BenchKit/itstools/plugins/fr.lip6.move.gal.ltsmin.binaries_1.0.0.202104292328/bin/include/, -I., -std=c99, -fPIC, -O2, model.c], workingDir=/tmp/ltsmin4257438753568477887]
WARNING : LTS min runner thread failed on error :java.lang.RuntimeException: Compilation or link of executable timed out.java.util.concurrent.TimeoutException: Subprocess running CommandLine [args=[gcc, -c, -I/home/mcc/BenchKit/itstools/plugins/fr.lip6.move.gal.ltsmin.binaries_1.0.0.202104292328/bin/include/, -I., -std=c99, -fPIC, -O2, model.c], workingDir=/tmp/ltsmin4257438753568477887] killed by timeout after 1 SECONDS
java.lang.RuntimeException: Compilation or link of executable timed out.java.util.concurrent.TimeoutException: Subprocess running CommandLine [args=[gcc, -c, -I/home/mcc/BenchKit/itstools/plugins/fr.lip6.move.gal.ltsmin.binaries_1.0.0.202104292328/bin/include/, -I., -std=c99, -fPIC, -O2, model.c], workingDir=/tmp/ltsmin4257438753568477887] killed by timeout after 1 SECONDS
at fr.lip6.move.gal.application.LTSminRunner$1.run(LTSminRunner.java:79)
at java.base/java.lang.Thread.run(Thread.java:834)
Interrupted random walk after 8433 steps, including 1227 resets, run timeout after 30002 ms. (steps per millisecond=0 ) properties seen :{}
Incomplete Best-First random walk after 1001 steps, including 0 resets, run finished after 9 ms. (steps per millisecond=111 ) properties (out of 16006) seen :0
Incomplete Best-First random walk after 1001 steps, including 0 resets, run finished after 8 ms. (steps per millisecond=125 ) properties (out of 16006) seen :0
Incomplete Best-First random walk after 1001 steps, including 0 resets, run finished after 8 ms. (steps per millisecond=125 ) properties (out of 16006) seen :0
Incomplete Best-First random walk after 1001 steps, including 0 resets, run finished after 8 ms. (steps per millisecond=125 ) properties (out of 16006) seen :0
Incomplete Best-First random walk after 1001 steps, including 0 resets, run finished after 8 ms. (steps per millisecond=125 ) properties (out of 16006) seen :0
Incomplete Best-First random walk after 1001 steps, including 0 resets, run finished after 8 ms. (steps per millisecond=125 ) properties (out of 16006) seen :0
Incomplete Best-First random walk after 1001 steps, including 0 resets, run finished after 9 ms. (steps per millisecond=111 ) properties (out of 16006) seen :0
Incomplete Best-First random walk after 1001 steps, including 0 resets, run finished after 8 ms. (steps per millisecond=125 ) properties (out of 16006) seen :0
Incomplete Best-First random walk after 1001 steps, including 0 resets, run finished after 8 ms. (steps per millisecond=125 ) properties (out of 16006) seen :0
Incomplete Best-First random walk after 1001 steps, including 0 resets, run finished after 8 ms. (steps per millisecond=125 ) properties (out of 16006) seen :0
Incomplete Best-First random walk after 1001 steps, including 0 resets, run finished after 8 ms. (steps per millisecond=125 ) properties (out of 16006) seen :0
Incomplete Best-First random walk after 1001 steps, including 0 resets, run finished after 8 ms. (steps per millisecond=125 ) properties (out of 16006) seen :0
Incomplete Best-First random walk after 1001 steps, including 0 resets, run finished after 8 ms. (steps per millisecond=125 ) properties (out of 16006) seen :0
Incomplete Best-First random walk after 1001 steps, including 0 resets, run finished after 7 ms. (steps per millisecond=143 ) properties (out of 16006) seen :0
Incomplete Best-First random walk after 1001 steps, including 0 resets, run finished after 8 ms. (steps per millisecond=125 ) properties (out of 16006) seen :0
Incomplete Best-First random walk after 1001 steps, including 0 resets, run finished after 7 ms. (steps per millisecond=143 ) properties (out of 16006) seen :0
Incomplete Best-First random walk after 1001 steps, including 0 resets, run finished after 8 ms. (steps per millisecond=125 ) properties (out of 16006) seen :0
Incomplete Best-First random walk after 1001 steps, including 0 resets, run finished after 7 ms. (steps per millisecond=143 ) properties (out of 16006) seen :0
Incomplete Best-First random walk after 1001 steps, including 0 resets, run finished after 8 ms. (steps per millisecond=125 ) properties (out of 16006) seen :0
Incomplete Best-First random walk after 1001 steps, including 0 resets, run finished after 8 ms. (steps per millisecond=125 ) properties (out of 16006) seen :0
Incomplete Best-First random walk after 1001 steps, including 0 resets, run finished after 8 ms. (steps per millisecond=125 ) properties (out of 16006) seen :0
Incomplete Best-First random walk after 1001 steps, including 0 resets, run finished after 9 ms. (steps per millisecond=111 ) properties (out of 16006) seen :0
Incomplete Best-First random walk after 1001 steps, including 0 resets, run finished after 8 ms. (steps per millisecond=125 ) properties (out of 16006) seen :0
Incomplete Best-First random walk after 1001 steps, including 0 resets, run finished after 8 ms. (steps per millisecond=125 ) properties (out of 16006) seen :0
Incomplete Best-First random walk after 1001 steps, including 0 resets, run finished after 8 ms. (steps per millisecond=125 ) properties (out of 16006) seen :0
Incomplete Best-First random walk after 1001 steps, including 0 resets, run finished after 8 ms. (steps per millisecond=125 ) properties (out of 16006) seen :0
Incomplete Best-First random walk after 1001 steps, including 0 resets, run finished after 8 ms. (steps per millisecond=125 ) properties (out of 16006) seen :0
Incomplete Best-First random walk after 1001 steps, including 0 resets, run finished after 8 ms. (steps per millisecond=125 ) properties (out of 16006) seen :0
Incomplete Best-First random walk after 1001 steps, including 0 resets, run finished after 8 ms. (steps per millisecond=125 ) properties (out of 16006) seen :0
Incomplete Best-First random walk after 1001 steps, including 0 resets, run finished after 8 ms. (steps per millisecond=125 ) properties (out of 16006) seen :0
Incomplete Best-First random walk after 1001 steps, including 0 resets, run finished after 8 ms. (steps per millisecond=125 ) properties (out of 16006) seen :0
Incomplete Best-First random walk after 1001 steps, including 0 resets, run finished after 8 ms. (steps per millisecond=125 ) properties (out of 16006) seen :0
Incomplete Best-First random walk after 1001 steps, including 0 resets, run finished after 8 ms. (steps per millisecond=125 ) properties (out of 16006) seen :0
Incomplete Best-First random walk after 1001 steps, including 0 resets, run finished after 8 ms. (steps per millisecond=125 ) properties (out of 16006) seen :0
Incomplete Best-First random walk after 1001 steps, including 0 resets, run finished after 9 ms. (steps per millisecond=111 ) properties (out of 16006) seen :0
Incomplete Best-First random walk after 1001 steps, including 0 resets, run finished after 8 ms. (steps per millisecond=125 ) properties (out of 16006) seen :0
Incomplete Best-First random walk after 1001 steps, including 0 resets, run finished after 8 ms. (steps per millisecond=125 ) properties (out of 16006) seen :0
Incomplete Best-First random walk after 1001 steps, including 0 resets, run finished after 8 ms. (steps per millisecond=125 ) properties (out of 16006) seen :0
Incomplete Best-First random walk after 1001 steps, including 0 resets, run finished after 8 ms. (steps per millisecond=125 ) properties (out of 16006) seen :0
Incomplete Best-First random walk after 1001 steps, including 0 resets, run finished after 8 ms. (steps per millisecond=125 ) properties (out of 16006) seen :0
Incomplete Best-First random walk after 1001 steps, including 0 resets, run finished after 8 ms. (steps per millisecond=125 ) properties (out of 16006) seen :0
Incomplete Best-First random walk after 1001 steps, including 0 resets, run finished after 8 ms. (steps per millisecond=125 ) properties (out of 16006) seen :0
Incomplete Best-First random walk after 1001 steps, including 0 resets, run finished after 8 ms. (steps per millisecond=125 ) properties (out of 16006) seen :0
Incomplete Best-First random walk after 1001 steps, including 0 resets, run finished after 7 ms. (steps per millisecond=143 ) properties (out of 16006) seen :0
Incomplete Best-First random walk after 1001 steps, including 0 resets, run finished after 7 ms. (steps per millisecond=143 ) properties (out of 16006) seen :0
Incomplete Best-First random walk after 1001 steps, including 0 resets, run finished after 8 ms. (steps per millisecond=125 ) properties (out of 16006) seen :0
Incomplete Best-First random walk after 1001 steps, including 0 resets, run finished after 8 ms. (steps per millisecond=125 ) properties (out of 16006) seen :0
Incomplete Best-First random walk after 1001 steps, including 0 resets, run finished after 8 ms. (steps per millisecond=125 ) properties (out of 16006) seen :0
Incomplete Best-First random walk after 1001 steps, including 0 resets, run finished after 8 ms. (steps per millisecond=125 ) properties (out of 16006) seen :0
Incomplete Best-First random walk after 1001 steps, including 0 resets, run finished after 7 ms. (steps per millisecond=143 ) properties (out of 16006) seen :0
Interrupted probabilistic random walk after 72011 steps, run timeout after 30001 ms. (steps per millisecond=2 ) properties seen :{}
Probabilistic random walk after 72011 steps, saw 60933 distinct states, run finished after 30003 ms. (steps per millisecond=2 ) properties seen :{}
Running SMT prover for 16006 properties.
// Phase 1: matrix 32004 rows 16010 cols
[2022-05-17 16:15:57] [INFO ] Computed 1 place invariants in 25970 ms
[2022-05-17 16:19:42] [WARNING] SMT solver failed with error :SMT solver raised an error when submitting script.... while checking expressions.
Fused 16006 Parikh solutions to 1 different solutions.
Support contains 16006 out of 16010 places. Attempting structural reductions.
Starting structural reductions, iteration 0 : 16010/16010 places, 32004/32004 transitions.
Applied a total of 0 rules in 371 ms. Remains 16010 /16010 variables (removed 0) and now considering 32004/32004 (removed 0) transitions.
Finished structural reductions, in 1 iterations. Remains : 16010/16010 places, 32004/32004 transitions.
Starting structural reductions, iteration 0 : 16010/16010 places, 32004/32004 transitions.
Applied a total of 0 rules in 460 ms. Remains 16010 /16010 variables (removed 0) and now considering 32004/32004 (removed 0) transitions.
// Phase 1: matrix 32004 rows 16010 cols
[2022-05-17 16:20:11] [INFO ] Computed 1 place invariants in 27948 ms
[2022-05-17 16:20:13] [INFO ] SMT solver returned unknown. Retrying;
[2022-05-17 16:20:14] [INFO ] Implicit Places using invariants in 30552 ms returned []
Implicit Place search using SMT only with invariants took 30553 ms to find 0 implicit places.
// Phase 1: matrix 32004 rows 16010 cols
[2022-05-17 16:20:49] [INFO ] Computed 1 place invariants in 34882 ms
[2022-05-17 16:20:50] [INFO ] SMT solver returned unknown. Retrying;
[2022-05-17 16:20:50] [INFO ] Dead Transitions using invariants and state equation in 36436 ms returned []
Finished structural reductions, in 1 iterations. Remains : 16010/16010 places, 32004/32004 transitions.
Interrupted random walk after 9644 steps, including 1391 resets, run timeout after 30001 ms. (steps per millisecond=0 ) properties seen :{}
Running SMT prover for 16006 properties.
// Phase 1: matrix 32004 rows 16010 cols
[2022-05-17 16:21:43] [INFO ] Computed 1 place invariants in 22501 ms
[2022-05-17 16:23:23] [WARNING] SMT solver failed with error :SMT solver raised an error when submitting script.... while checking expressions.
[2022-05-17 16:23:25] [INFO ] Flatten gal took : 1219 ms
[2022-05-17 16:23:26] [INFO ] Flatten gal took : 979 ms
[2022-05-17 16:23:26] [INFO ] Time to serialize gal into /tmp/ReachabilityCardinality11060227014247931149.gal : 108 ms
[2022-05-17 16:23:26] [INFO ] Time to serialize properties into /tmp/ReachabilityCardinality9512027374558785782.prop : 24 ms
Invoking ITS tools like this :CommandLine [args=[/home/mcc/BenchKit/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202104292328/bin/its-reach-linux64, --gc-threshold, 2000000, --quiet, -i, /tmp/ReachabilityCardinality11060227014247931149.gal, -t, CGAL, -reachable-file, /tmp/ReachabilityCardinality9512027374558785782.prop, --nowitness, --gen-order, FOLLOW], workingDir=/home/mcc/execution]

its-reach command run as :

/home/mcc/BenchKit/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202104292328/bin/its-reach-linux64 --gc-threshold 2000000 --quiet -i /tmp/ReachabilityCardinality11060227014247931149.gal -t CGAL -reachable-file /tmp/ReachabilityCardinality9512027374558785782.prop --nowitness --gen-order FOLLOW
Loading property file /tmp/ReachabilityCardinality9512027374558785782.prop.
Detected timeout of ITS tools.
[2022-05-17 16:23:42] [INFO ] Flatten gal took : 870 ms
[2022-05-17 16:23:42] [INFO ] Applying decomposition
[2022-05-17 16:23:43] [INFO ] Flatten gal took : 934 ms
Converted graph to binary with : CommandLine [args=[/home/mcc/BenchKit/itstools/plugins/fr.lip6.move.gal.louvain.binaries_1.0.0.202104292328/bin/convert-linux64, -i, /tmp/graph8362708068699530173.txt, -o, /tmp/graph8362708068699530173.bin, -w, /tmp/graph8362708068699530173.weights], workingDir=null]
Built communities with : CommandLine [args=[/home/mcc/BenchKit/itstools/plugins/fr.lip6.move.gal.louvain.binaries_1.0.0.202104292328/bin/louvain-linux64, /tmp/graph8362708068699530173.bin, -l, -1, -v, -w, /tmp/graph8362708068699530173.weights, -q, 0, -e, 0.001], workingDir=null]
[2022-05-17 16:23:45] [INFO ] Decomposing Gal with order
[2022-05-17 16:23:46] [INFO ] Rewriting arrays to variables to allow decomposition.
[2022-05-17 16:24:45] [INFO ] Removed a total of 15995 redundant transitions.
[2022-05-17 16:24:46] [INFO ] Flatten gal took : 58810 ms
[2022-05-17 16:24:49] [INFO ] Fuse similar labels procedure discarded/fused a total of 16000 labels/synchronizations in 2297 ms.
[2022-05-17 16:24:49] [INFO ] Time to serialize gal into /tmp/ReachabilityCardinality13713346444806228034.gal : 53 ms
[2022-05-17 16:24:49] [INFO ] Time to serialize properties into /tmp/ReachabilityCardinality16700198330863211659.prop : 13 ms
Invoking ITS tools like this :CommandLine [args=[/home/mcc/BenchKit/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202104292328/bin/its-reach-linux64, --gc-threshold, 2000000, --quiet, -i, /tmp/ReachabilityCardinality13713346444806228034.gal, -t, CGAL, -reachable-file, /tmp/ReachabilityCardinality16700198330863211659.prop, --nowitness], workingDir=/home/mcc/execution]

its-reach command run as :

/home/mcc/BenchKit/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202104292328/bin/its-reach-linux64 --gc-threshold 2000000 --quiet -i /tmp/ReachabilityCardinality13713346444806228034.gal -t CGAL -reachable-file /tmp/ReachabilityCardinality16700198330863211659.prop --nowitness
Loading property file /tmp/ReachabilityCardinality16700198330863211659.prop.
Detected timeout of ITS tools.
Built C files in :
/tmp/ltsmin17006466888497481520
[2022-05-17 16:25:05] [INFO ] Built C files in 281ms conformant to PINS (ltsmin variant)in folder :/tmp/ltsmin17006466888497481520
Running compilation step : CommandLine [args=[gcc, -c, -I/home/mcc/BenchKit/itstools/plugins/fr.lip6.move.gal.ltsmin.binaries_1.0.0.202104292328/bin/include/, -I., -std=c99, -fPIC, -O2, model.c], workingDir=/tmp/ltsmin17006466888497481520]
WARNING : LTS min runner thread failed on error :java.lang.RuntimeException: Compilation or link of executable timed out.java.util.concurrent.TimeoutException: Subprocess running CommandLine [args=[gcc, -c, -I/home/mcc/BenchKit/itstools/plugins/fr.lip6.move.gal.ltsmin.binaries_1.0.0.202104292328/bin/include/, -I., -std=c99, -fPIC, -O2, model.c], workingDir=/tmp/ltsmin17006466888497481520] killed by timeout after 1 SECONDS
java.lang.RuntimeException: Compilation or link of executable timed out.java.util.concurrent.TimeoutException: Subprocess running CommandLine [args=[gcc, -c, -I/home/mcc/BenchKit/itstools/plugins/fr.lip6.move.gal.ltsmin.binaries_1.0.0.202104292328/bin/include/, -I., -std=c99, -fPIC, -O2, model.c], workingDir=/tmp/ltsmin17006466888497481520] killed by timeout after 1 SECONDS
at fr.lip6.move.gal.application.LTSminRunner$1.run(LTSminRunner.java:79)
at java.base/java.lang.Thread.run(Thread.java:834)
Applied a total of 0 rules in 212 ms. Remains 16010 /16010 variables (removed 0) and now considering 32004/32004 (removed 0) transitions.
Running SMT prover for 16006 properties.
// Phase 1: matrix 32004 rows 16010 cols
[2022-05-17 16:25:29] [INFO ] Computed 1 place invariants in 23180 ms
[2022-05-17 16:29:14] [WARNING] SMT solver failed with error :SMT solver raised an error when submitting script.... while checking expressions.
[2022-05-17 16:29:15] [INFO ] Flatten gal took : 1067 ms
[2022-05-17 16:29:16] [INFO ] Flatten gal took : 871 ms
[2022-05-17 16:29:16] [INFO ] Time to serialize gal into /tmp/ReachabilityFireability8633277976356387976.gal : 76 ms
[2022-05-17 16:29:16] [INFO ] Time to serialize properties into /tmp/ReachabilityFireability16553130961591226142.prop : 12 ms
Invoking ITS tools like this :CommandLine [args=[/home/mcc/BenchKit/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202104292328/bin/its-reach-linux64, --gc-threshold, 2000000, --quiet, -i, /tmp/ReachabilityFireability8633277976356387976.gal, -t, CGAL, -reachable-file, /tmp/ReachabilityFireability16553130961591226142.prop, --nowitness, --gen-order, FOLLOW], workingDir=/home/mcc/execution]

its-reach command run as :

/home/mcc/BenchKit/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202104292328/bin/its-reach-linux64 --gc-threshold 2000000 --quiet -i /tmp/ReachabilityFireability8633277976356387976.gal -t CGAL -reachable-file /tmp/ReachabilityFireability16553130961591226142.prop --nowitness --gen-order FOLLOW
Detected timeout of ITS tools.
[2022-05-17 16:29:21] [INFO ] Flatten gal took : 1047 ms
[2022-05-17 16:29:21] [INFO ] Applying decomposition
[2022-05-17 16:29:22] [INFO ] Flatten gal took : 928 ms
Converted graph to binary with : CommandLine [args=[/home/mcc/BenchKit/itstools/plugins/fr.lip6.move.gal.louvain.binaries_1.0.0.202104292328/bin/convert-linux64, -i, /tmp/graph595253329901442688.txt, -o, /tmp/graph595253329901442688.bin, -w, /tmp/graph595253329901442688.weights], workingDir=null]
Built communities with : CommandLine [args=[/home/mcc/BenchKit/itstools/plugins/fr.lip6.move.gal.louvain.binaries_1.0.0.202104292328/bin/louvain-linux64, /tmp/graph595253329901442688.bin, -l, -1, -v, -w, /tmp/graph595253329901442688.weights, -q, 0, -e, 0.001], workingDir=null]
[2022-05-17 16:29:24] [INFO ] Decomposing Gal with order
[2022-05-17 16:29:24] [INFO ] Rewriting arrays to variables to allow decomposition.
[2022-05-17 16:30:22] [INFO ] Removed a total of 15995 redundant transitions.
[2022-05-17 16:30:23] [INFO ] Flatten gal took : 57970 ms
[2022-05-17 16:30:27] [INFO ] Fuse similar labels procedure discarded/fused a total of 16000 labels/synchronizations in 2587 ms.
[2022-05-17 16:30:27] [INFO ] Time to serialize gal into /tmp/ReachabilityFireability1359487209830980340.gal : 49 ms
[2022-05-17 16:30:27] [INFO ] Time to serialize properties into /tmp/ReachabilityFireability4372152932884856487.prop : 15 ms
Invoking ITS tools like this :CommandLine [args=[/home/mcc/BenchKit/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202104292328/bin/its-reach-linux64, --gc-threshold, 2000000, --quiet, -i, /tmp/ReachabilityFireability1359487209830980340.gal, -t, CGAL, -reachable-file, /tmp/ReachabilityFireability4372152932884856487.prop, --nowitness], workingDir=/home/mcc/execution]

its-reach command run as :

/home/mcc/BenchKit/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202104292328/bin/its-reach-linux64 --gc-threshold 2000000 --quiet -i /tmp/ReachabilityFireability1359487209830980340.gal -t CGAL -reachable-file /tmp/ReachabilityFireability4372152932884856487.prop --nowitness
Loading property file /tmp/ReachabilityFireability4372152932884856487.prop.
Detected timeout of ITS tools.
Built C files in :
/tmp/ltsmin3592912604358967903
[2022-05-17 16:30:30] [INFO ] Built C files in 237ms conformant to PINS (ltsmin variant)in folder :/tmp/ltsmin3592912604358967903
Running compilation step : CommandLine [args=[gcc, -c, -I/home/mcc/BenchKit/itstools/plugins/fr.lip6.move.gal.ltsmin.binaries_1.0.0.202104292328/bin/include/, -I., -std=c99, -fPIC, -O2, model.c], workingDir=/tmp/ltsmin3592912604358967903]
WARNING : LTS min runner thread failed on error :java.lang.RuntimeException: Compilation or link of executable timed out.java.util.concurrent.TimeoutException: Subprocess running CommandLine [args=[gcc, -c, -I/home/mcc/BenchKit/itstools/plugins/fr.lip6.move.gal.ltsmin.binaries_1.0.0.202104292328/bin/include/, -I., -std=c99, -fPIC, -O2, model.c], workingDir=/tmp/ltsmin3592912604358967903] killed by timeout after 1 SECONDS
java.lang.RuntimeException: Compilation or link of executable timed out.java.util.concurrent.TimeoutException: Subprocess running CommandLine [args=[gcc, -c, -I/home/mcc/BenchKit/itstools/plugins/fr.lip6.move.gal.ltsmin.binaries_1.0.0.202104292328/bin/include/, -I., -std=c99, -fPIC, -O2, model.c], workingDir=/tmp/ltsmin3592912604358967903] killed by timeout after 1 SECONDS
at fr.lip6.move.gal.application.LTSminRunner$1.run(LTSminRunner.java:79)
at java.base/java.lang.Thread.run(Thread.java:834)
[2022-05-17 16:30:32] [INFO ] Flatten gal took : 694 ms
[2022-05-17 16:30:33] [INFO ] Flatten gal took : 894 ms
[2022-05-17 16:30:33] [INFO ] Time to serialize gal into /tmp/ReachabilityFireability9661399056464930112.gal : 84 ms
[2022-05-17 16:30:33] [INFO ] Time to serialize properties into /tmp/ReachabilityFireability17195417685187971961.prop : 21 ms
Invoking ITS tools like this :CommandLine [args=[/home/mcc/BenchKit/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202104292328/bin/its-reach-linux64, --gc-threshold, 2000000, --quiet, -i, /tmp/ReachabilityFireability9661399056464930112.gal, -t, CGAL, -reachable-file, /tmp/ReachabilityFireability17195417685187971961.prop, --nowitness, --gen-order, FOLLOW], workingDir=/home/mcc/execution]

its-reach command run as :

/home/mcc/BenchKit/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202104292328/bin/its-reach-linux64 --gc-threshold 2000000 --quiet -i /tmp/ReachabilityFireability9661399056464930112.gal -t CGAL -reachable-file /tmp/ReachabilityFireability17195417685187971961.prop --nowitness --gen-order FOLLOW
Loading property file /tmp/ReachabilityFireability17195417685187971961.prop.
Detected timeout of ITS tools.
[2022-05-17 16:31:04] [INFO ] Flatten gal took : 690 ms
[2022-05-17 16:31:04] [INFO ] Applying decomposition
[2022-05-17 16:31:04] [INFO ] Flatten gal took : 697 ms
Converted graph to binary with : CommandLine [args=[/home/mcc/BenchKit/itstools/plugins/fr.lip6.move.gal.louvain.binaries_1.0.0.202104292328/bin/convert-linux64, -i, /tmp/graph7305799886430058689.txt, -o, /tmp/graph7305799886430058689.bin, -w, /tmp/graph7305799886430058689.weights], workingDir=null]
Built communities with : CommandLine [args=[/home/mcc/BenchKit/itstools/plugins/fr.lip6.move.gal.louvain.binaries_1.0.0.202104292328/bin/louvain-linux64, /tmp/graph7305799886430058689.bin, -l, -1, -v, -w, /tmp/graph7305799886430058689.weights, -q, 0, -e, 0.001], workingDir=null]
[2022-05-17 16:31:07] [INFO ] Decomposing Gal with order
[2022-05-17 16:31:07] [INFO ] Rewriting arrays to variables to allow decomposition.
[2022-05-17 16:32:04] [INFO ] Removed a total of 15995 redundant transitions.
[2022-05-17 16:32:05] [INFO ] Flatten gal took : 56081 ms
[2022-05-17 16:32:07] [INFO ] Fuse similar labels procedure discarded/fused a total of 16000 labels/synchronizations in 2196 ms.
[2022-05-17 16:32:08] [INFO ] Time to serialize gal into /tmp/ReachabilityFireability14178561491355369456.gal : 51 ms
[2022-05-17 16:32:08] [INFO ] Time to serialize properties into /tmp/ReachabilityFireability16311635190842889284.prop : 19 ms
Invoking ITS tools like this :CommandLine [args=[/home/mcc/BenchKit/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202104292328/bin/its-reach-linux64, --gc-threshold, 2000000, --quiet, -i, /tmp/ReachabilityFireability14178561491355369456.gal, -t, CGAL, -reachable-file, /tmp/ReachabilityFireability16311635190842889284.prop, --nowitness], workingDir=/home/mcc/execution]

its-reach command run as :

/home/mcc/BenchKit/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202104292328/bin/its-reach-linux64 --gc-threshold 2000000 --quiet -i /tmp/ReachabilityFireability14178561491355369456.gal -t CGAL -reachable-file /tmp/ReachabilityFireability16311635190842889284.prop --nowitness
Loading property file /tmp/ReachabilityFireability16311635190842889284.prop.
Detected timeout of ITS tools.
Built C files in :
/tmp/ltsmin2564106881377756541
[2022-05-17 16:32:38] [INFO ] Built C files in 343ms conformant to PINS (ltsmin variant)in folder :/tmp/ltsmin2564106881377756541
Running compilation step : CommandLine [args=[gcc, -c, -I/home/mcc/BenchKit/itstools/plugins/fr.lip6.move.gal.ltsmin.binaries_1.0.0.202104292328/bin/include/, -I., -std=c99, -fPIC, -O2, model.c], workingDir=/tmp/ltsmin2564106881377756541]
WARNING : LTS min runner thread failed on error :java.lang.RuntimeException: Compilation or link of executable timed out.java.util.concurrent.TimeoutException: Subprocess running CommandLine [args=[gcc, -c, -I/home/mcc/BenchKit/itstools/plugins/fr.lip6.move.gal.ltsmin.binaries_1.0.0.202104292328/bin/include/, -I., -std=c99, -fPIC, -O2, model.c], workingDir=/tmp/ltsmin2564106881377756541] killed by timeout after 3 SECONDS
java.lang.RuntimeException: Compilation or link of executable timed out.java.util.concurrent.TimeoutException: Subprocess running CommandLine [args=[gcc, -c, -I/home/mcc/BenchKit/itstools/plugins/fr.lip6.move.gal.ltsmin.binaries_1.0.0.202104292328/bin/include/, -I., -std=c99, -fPIC, -O2, model.c], workingDir=/tmp/ltsmin2564106881377756541] killed by timeout after 3 SECONDS
at fr.lip6.move.gal.application.LTSminRunner$1.run(LTSminRunner.java:79)
at java.base/java.lang.Thread.run(Thread.java:834)
[2022-05-17 16:32:42] [INFO ] Flatten gal took : 1199 ms
[2022-05-17 16:32:44] [INFO ] Flatten gal took : 1224 ms
[2022-05-17 16:32:44] [INFO ] Time to serialize gal into /tmp/ReachabilityFireability14136051735599515338.gal : 77 ms
[2022-05-17 16:32:44] [INFO ] Time to serialize properties into /tmp/ReachabilityFireability5315181231797348958.prop : 22 ms
Invoking ITS tools like this :CommandLine [args=[/home/mcc/BenchKit/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202104292328/bin/its-reach-linux64, --gc-threshold, 2000000, --quiet, -i, /tmp/ReachabilityFireability14136051735599515338.gal, -t, CGAL, -reachable-file, /tmp/ReachabilityFireability5315181231797348958.prop, --nowitness, --gen-order, FOLLOW], workingDir=/home/mcc/execution]

its-reach command run as :

/home/mcc/BenchKit/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202104292328/bin/its-reach-linux64 --gc-threshold 2000000 --quiet -i /tmp/ReachabilityFireability14136051735599515338.gal -t CGAL -reachable-file /tmp/ReachabilityFireability5315181231797348958.prop --nowitness --gen-order FOLLOW
Loading property file /tmp/ReachabilityFireability5315181231797348958.prop.
Detected timeout of ITS tools.
[2022-05-17 16:37:45] [INFO ] Flatten gal took : 920 ms
[2022-05-17 16:37:45] [INFO ] Applying decomposition
[2022-05-17 16:37:46] [INFO ] Flatten gal took : 978 ms
Converted graph to binary with : CommandLine [args=[/home/mcc/BenchKit/itstools/plugins/fr.lip6.move.gal.louvain.binaries_1.0.0.202104292328/bin/convert-linux64, -i, /tmp/graph12430904071900142910.txt, -o, /tmp/graph12430904071900142910.bin, -w, /tmp/graph12430904071900142910.weights], workingDir=null]
Built communities with : CommandLine [args=[/home/mcc/BenchKit/itstools/plugins/fr.lip6.move.gal.louvain.binaries_1.0.0.202104292328/bin/louvain-linux64, /tmp/graph12430904071900142910.bin, -l, -1, -v, -w, /tmp/graph12430904071900142910.weights, -q, 0, -e, 0.001], workingDir=null]
[2022-05-17 16:37:49] [INFO ] Decomposing Gal with order
[2022-05-17 16:37:50] [INFO ] Rewriting arrays to variables to allow decomposition.
[2022-05-17 16:38:54] [INFO ] Removed a total of 15995 redundant transitions.
[2022-05-17 16:38:56] [INFO ] Flatten gal took : 64380 ms
[2022-05-17 16:38:59] [INFO ] Fuse similar labels procedure discarded/fused a total of 16000 labels/synchronizations in 2491 ms.
[2022-05-17 16:38:59] [INFO ] Time to serialize gal into /tmp/ReachabilityFireability11274930502940565102.gal : 49 ms
[2022-05-17 16:38:59] [INFO ] Time to serialize properties into /tmp/ReachabilityFireability17921704828960388122.prop : 11 ms
Invoking ITS tools like this :CommandLine [args=[/home/mcc/BenchKit/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202104292328/bin/its-reach-linux64, --gc-threshold, 2000000, --quiet, -i, /tmp/ReachabilityFireability11274930502940565102.gal, -t, CGAL, -reachable-file, /tmp/ReachabilityFireability17921704828960388122.prop, --nowitness], workingDir=/home/mcc/execution]

its-reach command run as :

/home/mcc/BenchKit/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202104292328/bin/its-reach-linux64 --gc-threshold 2000000 --quiet -i /tmp/ReachabilityFireability11274930502940565102.gal -t CGAL -reachable-file /tmp/ReachabilityFireability17921704828960388122.prop --nowitness
Loading property file /tmp/ReachabilityFireability17921704828960388122.prop.

BK_TIME_CONFINEMENT_REACHED

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

+ export BINDIR=/home/mcc/BenchKit/bin//../
+ BINDIR=/home/mcc/BenchKit/bin//../
++ pwd
+ export MODEL=/home/mcc/execution
+ MODEL=/home/mcc/execution
+ [[ OneSafe = StateSpace ]]
+ /home/mcc/BenchKit/bin//..//runeclipse.sh /home/mcc/execution OneSafe -its -ltsmin -greatspnpath /home/mcc/BenchKit/bin//..//greatspn/ -order META -manyOrder -smt -timeout 1800
+ ulimit -s 65536
+ [[ -z '' ]]
+ export LTSMIN_MEM_SIZE=8589934592
+ LTSMIN_MEM_SIZE=8589934592
++ cut -d . -f 9
++ ls /home/mcc/BenchKit/bin//..//itstools/plugins/fr.lip6.move.gal.application.pnmcc_1.0.0.202104292328.jar
+ VERSION=0
+ echo 'Running Version 0'
+ /home/mcc/BenchKit/bin//..//itstools/its-tools -data /home/mcc/execution/workspace -pnfolder /home/mcc/execution -examination OneSafe -spotpath /home/mcc/BenchKit/bin//..//ltlfilt -z3path /home/mcc/BenchKit/bin//..//z3/bin/z3 -yices2path /home/mcc/BenchKit/bin//..//yices/bin/yices -its -ltsmin -greatspnpath /home/mcc/BenchKit/bin//..//greatspn/ -order META -manyOrder -smt -timeout 1800 -vmargs -Dosgi.locking=none -Declipse.stateSaveDelayInterval=-1 -Dosgi.configuration.area=/tmp/.eclipse -Xss128m -Xms40m -Xmx16000m

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="AirplaneLD-PT-4000"
export BK_EXAMINATION="OneSafe"
export BK_TOOL="gold2021"
export BK_RESULT_DIR="/tmp/BK_RESULTS/OUTPUTS"
export BK_TIME_CONFINEMENT="1800"
export BK_MEMORY_CONFINEMENT="16384"
export BK_BIN_PATH="/home/mcc/BenchKit/bin/"

# this is specific to your benchmark or test

export BIN_DIR="$HOME/BenchKit/bin"

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

# this is for BenchKit: explicit launching of the test
echo "====================================================================="
echo " Generated by BenchKit 2-4028"
echo " Executing tool gold2021"
echo " Input is AirplaneLD-PT-4000, examination is OneSafe"
echo " Time confinement is $BK_TIME_CONFINEMENT seconds"
echo " Memory confinement is 16384 MBytes"
echo " Number of cores is 4"
echo " Run identifier is r018-tajo-165245749200195"
echo "====================================================================="
echo
echo "--------------------"
echo "preparation of the directory to be used:"

tar xzf /home/mcc/BenchKit/INPUTS/AirplaneLD-PT-4000.tgz
mv AirplaneLD-PT-4000 execution
cd execution
if [ "OneSafe" = "ReachabilityDeadlock" ] || [ "OneSafe" = "UpperBounds" ] || [ "OneSafe" = "QuasiLiveness" ] || [ "OneSafe" = "StableMarking" ] || [ "OneSafe" = "Liveness" ] || [ "OneSafe" = "OneSafe" ] || [ "OneSafe" = "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 [ "OneSafe" = "UpperBounds" ] ; then
echo "The expected result is a vector of positive values"
echo NUM_VECTOR
elif [ "OneSafe" != "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 "OneSafe.txt" ] ; then
echo "here is the order used to build the result vector(from text file)"
for x in $(grep Property OneSafe.txt | cut -d ' ' -f 2 | sort -u) ; do
echo "FORMULA_NAME $x"
done
elif [ -f "OneSafe.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 '' OneSafe.xml | cut -d '>' -f 2 | cut -d '<' -f 1 | sort -u) ; do
echo "FORMULA_NAME $x"
done
elif [ "OneSafe" = "ReachabilityDeadlock" ] || [ "OneSafe" = "QuasiLiveness" ] || [ "OneSafe" = "StableMarking" ] || [ "OneSafe" = "Liveness" ] || [ "OneSafe" = "OneSafe" ] ; then
echo "FORMULA_NAME OneSafe"
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 ;