fond
Model Checking Contest 2020
10th edition, Paris, France, June 23, 2020
Execution of r132-tajo-158961400700371
Last Updated
Jun 28, 2020

About the Execution of ITS-Tools for PolyORBNT-COL-S10J20

Execution Summary
Max Memory
Used (MB)
Time wait (ms) CPU Usage (ms) I/O Wait (ms) Computed Result Execution
Status
15741.970 5241.00 11954.00 40.60 T normal

Execution Chart

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

Trace from the execution

Formatting '/mnt/tpsp/fkordon/mcc2020-input.r132-tajo-158961400700371.qcow2', fmt=qcow2 size=4294967296 backing_file='/mnt/tpsp/fkordon/mcc2020-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 itstools
Input is PolyORBNT-COL-S10J20, examination is ReachabilityDeadlock
Time confinement is 1800 seconds
Memory confinement is 16384 MBytes
Number of cores is 4
Run identifier is r132-tajo-158961400700371
=====================================================================

--------------------
preparation of the directory to be used:
/home/mcc/execution
total 284K
-rw-r--r-- 1 mcc users 4.4K Apr 12 06:12 CTLCardinality.txt
-rw-r--r-- 1 mcc users 23K Apr 12 06:07 CTLCardinality.xml
-rw-r--r-- 1 mcc users 3.0K Apr 11 06:13 CTLFireability.txt
-rw-r--r-- 1 mcc users 19K Apr 11 06:09 CTLFireability.xml
-rw-r--r-- 1 mcc users 4.0K Mar 24 05:37 GenericPropertiesDefinition.xml
-rw-r--r-- 1 mcc users 4.2K Apr 14 12:46 LTLCardinality.txt
-rw-r--r-- 1 mcc users 28K Apr 28 14:02 LTLCardinality.xml
-rw-r--r-- 1 mcc users 2.4K Apr 14 12:46 LTLFireability.txt
-rw-r--r-- 1 mcc users 17K Apr 28 14:02 LTLFireability.xml
-rw-r--r-- 1 mcc users 4.4K Apr 10 13:08 ReachabilityCardinality.txt
-rw-r--r-- 1 mcc users 21K Apr 10 13:03 ReachabilityCardinality.xml
-rw-r--r-- 1 mcc users 3.0K Apr 9 19:02 ReachabilityFireability.txt
-rw-r--r-- 1 mcc users 16K Apr 9 18:57 ReachabilityFireability.xml
-rw-r--r-- 1 mcc users 1.8K Apr 10 22:24 UpperBounds.txt
-rw-r--r-- 1 mcc users 3.9K Apr 10 22:24 UpperBounds.xml
-rw-r--r-- 1 mcc users 5 Mar 24 05:37 equiv_pt
-rw-r--r-- 1 mcc users 7 Mar 24 05:37 instance
-rw-r--r-- 1 mcc users 5 Mar 24 05:37 iscolored
-rw-r--r-- 1 mcc users 92K Mar 24 05:37 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 ReachabilityDeadlock

=== Now, execution of the tool begins

BK_START 1589953392729

[2020-05-20 05:43:14] [INFO ] Running its-tools with arguments : [-pnfolder, /home/mcc/execution, -examination, ReachabilityDeadlock, -z3path, /home/mcc/BenchKit//z3/bin/z3, -yices2path, /home/mcc/BenchKit//yices/bin/yices, -its, -ltsminpath, /home/mcc/BenchKit//lts_install_dir/, -greatspnpath, /home/mcc/BenchKit//greatspn/, -order, META, -manyOrder, -smt, -timeout, 1800]
[2020-05-20 05:43:14] [INFO ] Parsing pnml file : /home/mcc/execution/model.pnml
[2020-05-20 05:43:14] [INFO ] Detected file is not PT type :http://www.pnml.org/version-2009/grammar/symmetricnet
SLF4J: Failed to load class "org.slf4j.impl.StaticLoggerBinder".
SLF4J: Defaulting to no-operation (NOP) logger implementation
SLF4J: See http://www.slf4j.org/codes.html#StaticLoggerBinder for further details.
[2020-05-20 05:43:15] [INFO ] Load time of PNML (colored model parsed with PNMLFW) : 601 ms
[2020-05-20 05:43:15] [INFO ] sort/places :
D4->place_482,
Threads->FetchJobB,QueueJobE,NotifyEventJobQueuedE,NotifyEventEndOfCheckSourcesE,NotifyEventEndOfCheckSourcesB,place_523,place_522,place_521,place_520,place_518,place_500,Check_Sources_E,Check_Sources_B,place_782,place_787,Perform_Work_E,Schedule_Task_B,Try_Check_Sources_E,Try_Check_Sources_B,
D5->Schedule_Task_E,
D6->CreatedJobs,
Jobs->f3,f2,f1,AvailableJobId,
Dot->block,mo3,mo2,mo1,mi3,mi2,mi1,cSources,place_462,place_460,place_458,place_456,CanInjectEvent,JobCnt,cJobCnt,
Sources->ModifiedSrc,DataOnSrc,TheSour,
D1->FetchJobE,QueueJobB,NotifyEventJobQueuedB,Perform_Work_B,

[2020-05-20 05:43:15] [INFO ] ms1 symmetric to ms3 in transition trans_489
[2020-05-20 05:43:15] [INFO ] ms3 symmetric to ms4 in transition trans_489
[2020-05-20 05:43:15] [INFO ] ms4 symmetric to ms2 in transition trans_489
[2020-05-20 05:43:15] [INFO ] ms1 symmetric to ms3 in transition trans_488
[2020-05-20 05:43:15] [INFO ] ms3 symmetric to ms2 in transition trans_488
[2020-05-20 05:43:15] [INFO ] ms1 symmetric to ms2 in transition trans_487
[2020-05-20 05:43:15] [INFO ] Imported 48 HL places and 38 HL transitions for a total of 494 PT places and 11822.0 transition bindings in 26 ms.
[2020-05-20 05:43:15] [INFO ] Computed order based on color domains.
[2020-05-20 05:43:15] [INFO ] Unfolded HLPN to a Petri net with 494 places and 1670 transitions in 32 ms.
[2020-05-20 05:43:15] [INFO ] Unfolded HLPN properties in 0 ms.
Deduced a syphon composed of 20 places in 7 ms
Reduce places removed 20 places and 20 transitions.
Parsed 1 properties from file /home/mcc/execution/ReachabilityDeadlock.xml in 54 ms.
Working with output stream class java.io.PrintStream
Built sparse matrix representations for Structural reductions in 5 ms.17901KB memory used
Starting structural reductions, iteration 0 : 474/474 places, 1650/1650 transitions.
Ensure Unique test removed 10 places
Performed 26 Post agglomeration using F-continuation condition.Transition count delta: 26
Iterating post reduction 0 with 36 rules applied. Total rules applied 36 place count 464 transition count 1624
Reduce places removed 26 places and 0 transitions.
Iterating post reduction 1 with 26 rules applied. Total rules applied 62 place count 438 transition count 1624
Performed 25 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 2 with 25 Pre rules applied. Total rules applied 62 place count 438 transition count 1599
Deduced a syphon composed of 25 places in 3 ms
Reduce places removed 25 places and 0 transitions.
Iterating global reduction 2 with 50 rules applied. Total rules applied 112 place count 413 transition count 1599
Symmetric choice reduction at 2 with 1 rule applications. Total rules 113 place count 413 transition count 1599
Deduced a syphon composed of 1 places in 2 ms
Reduce places removed 1 places and 1 transitions.
Iterating global reduction 2 with 2 rules applied. Total rules applied 115 place count 412 transition count 1598
Performed 2 Post agglomeration using F-continuation condition.Transition count delta: 2
Deduced a syphon composed of 2 places in 1 ms
Reduce places removed 2 places and 0 transitions.
Iterating global reduction 2 with 4 rules applied. Total rules applied 119 place count 410 transition count 1596
Applied a total of 119 rules in 257 ms. Remains 410 /474 variables (removed 64) and now considering 1596/1650 (removed 54) transitions.
[2020-05-20 05:43:15] [INFO ] Flow matrix only has 1587 transitions (discarded 9 similar events)
// Phase 1: matrix 1587 rows 410 cols
[2020-05-20 05:43:15] [INFO ] Computed 62 place invariants in 75 ms
[2020-05-20 05:43:17] [INFO ] Dead Transitions using invariants and state equation in 2286 ms returned [370, 371, 372, 373, 374, 375, 376, 377, 378, 379, 380, 381, 382, 383, 384, 385, 386, 387, 388, 389, 391, 392, 393, 394, 395, 396, 397, 398, 399, 400, 401, 402, 403, 404, 405, 406, 407, 408, 409, 411, 412, 413, 414, 415, 417, 420, 421, 422, 423, 424, 425, 426, 427, 428, 429, 430, 431, 432, 433, 434, 435, 436, 437, 438, 439, 440, 441, 442, 443, 444, 446, 447, 448, 449, 450, 452, 455, 456, 457, 458, 459, 460, 462, 465, 469, 470, 471, 472, 473, 474, 475, 476, 477, 478, 479, 480, 481, 482, 483, 484, 485, 486, 487, 488, 489, 490, 491, 492, 493, 494, 495, 496, 497, 498, 499, 500, 502, 503, 504, 505, 506, 508, 511, 512, 513, 514, 515, 516, 518, 521, 525, 526, 527, 528, 529, 530, 531, 533, 536, 540, 545, 546, 547, 548, 549, 550, 551, 552, 553, 554, 555, 556, 557, 558, 559, 560, 561, 562, 563, 564, 565, 566, 567, 568, 569, 570, 571, 572, 573, 574, 575, 576, 577, 578, 579, 580, 581, 582, 583, 584, 586, 587, 588, 589, 590, 592, 595, 596, 597, 598, 599, 600, 602, 605, 609, 610, 611, 612, 613, 614, 615, 617, 620, 624, 629, 630, 631, 632, 633, 634, 635, 636, 638, 641, 645, 650, 656, 657, 658, 659, 660, 661, 662, 663, 664, 665, 666, 667, 668, 669, 670, 671, 672, 673, 674, 675, 676, 677, 678, 679, 680, 681, 682, 683, 684, 685, 686, 687, 688, 689, 690, 691, 692, 693, 694, 695, 696, 697, 698, 699, 700, 701, 702, 703, 704, 706, 707, 708, 709, 710, 712, 715, 716, 717, 718, 719, 720, 722, 725, 729, 730, 731, 732, 733, 734, 735, 737, 740, 744, 749, 750, 751, 752, 753, 754, 755, 756, 758, 761, 765, 770, 776, 777, 778, 779, 780, 781, 782, 783, 784, 786, 789, 793, 798, 804, 811, 812, 813, 814, 815, 816, 817, 818, 819, 820, 821, 822, 823, 824, 825, 826, 827, 828, 829, 830, 831, 832, 833, 834, 835, 836, 837, 838, 839, 840, 841, 842, 843, 844, 845, 846, 847, 848, 849, 850, 851, 852, 853, 854, 855, 856, 857, 858, 859, 860, 861, 862, 863, 864, 865, 866, 867, 868, 869, 871, 872, 873, 874, 875, 877, 880, 881, 882, 883, 884, 885, 887, 890, 894, 895, 896, 897, 898, 899, 900, 902, 905, 909, 914, 915, 916, 917, 918, 919, 920, 921, 923, 926, 930, 935, 941, 942, 943, 944, 945, 946, 947, 948, 949, 951, 954, 958, 963, 969, 976, 977, 978, 979, 980, 981, 982, 983, 984, 985, 987, 990, 994, 999, 1005, 1012, 1020, 1021, 1022, 1023, 1024, 1025, 1026, 1027, 1028, 1029, 1030, 1031, 1032, 1033, 1034, 1035, 1036, 1037, 1038, 1039, 1040, 1041, 1042, 1043, 1044, 1045, 1046, 1047, 1048, 1049, 1050, 1051, 1052, 1053, 1054, 1055, 1056, 1057, 1058, 1059, 1060, 1061, 1062, 1063, 1064, 1065, 1066, 1067, 1068, 1069, 1070, 1071, 1072, 1073, 1074, 1075, 1076, 1077, 1078, 1079, 1080, 1081, 1082, 1083, 1084, 1085, 1086, 1087, 1088, 1089, 1091, 1092, 1093, 1094, 1095, 1097, 1100, 1101, 1102, 1103, 1104, 1105, 1107, 1110, 1114, 1115, 1116, 1117, 1118, 1119, 1120, 1122, 1125, 1129, 1134, 1135, 1136, 1137, 1138, 1139, 1140, 1141, 1143, 1146, 1150, 1155, 1161, 1162, 1163, 1164, 1165, 1166, 1167, 1168, 1169, 1171, 1174, 1178, 1183, 1189, 1196, 1197, 1198, 1199, 1200, 1201, 1202, 1203, 1204, 1205, 1207, 1210, 1214, 1219, 1225, 1232, 1240, 1241, 1242, 1243, 1244, 1245, 1246, 1247, 1248, 1249, 1250, 1252, 1255, 1259, 1264, 1270, 1277, 1285, 1294, 1295, 1296, 1297, 1298, 1299, 1300, 1301, 1302, 1303, 1304, 1305, 1307, 1310, 1314, 1319, 1325, 1332, 1340, 1349, 1359]
Found 615 dead transitions using SMT.
Drop transitions removed 615 transitions
Dead transitions reduction (with SMT) triggered by suspicious arc values removed 615 transitions :[1359, 1349, 1340, 1332, 1325, 1319, 1314, 1310, 1307, 1305, 1304, 1303, 1302, 1301, 1300, 1299, 1298, 1297, 1296, 1295, 1294, 1285, 1277, 1270, 1264, 1259, 1255, 1252, 1250, 1249, 1248, 1247, 1246, 1245, 1244, 1243, 1242, 1241, 1240, 1232, 1225, 1219, 1214, 1210, 1207, 1205, 1204, 1203, 1202, 1201, 1200, 1199, 1198, 1197, 1196, 1189, 1183, 1178, 1174, 1171, 1169, 1168, 1167, 1166, 1165, 1164, 1163, 1162, 1161, 1155, 1150, 1146, 1143, 1141, 1140, 1139, 1138, 1137, 1136, 1135, 1134, 1129, 1125, 1122, 1120, 1119, 1118, 1117, 1116, 1115, 1114, 1110, 1107, 1105, 1104, 1103, 1102, 1101, 1100, 1097, 1095, 1094, 1093, 1092, 1091, 1089, 1088, 1087, 1086, 1085, 1084, 1083, 1082, 1081, 1080, 1079, 1078, 1077, 1076, 1075, 1074, 1073, 1072, 1071, 1070, 1069, 1068, 1067, 1066, 1065, 1064, 1063, 1062, 1061, 1060, 1059, 1058, 1057, 1056, 1055, 1054, 1053, 1052, 1051, 1050, 1049, 1048, 1047, 1046, 1045, 1044, 1043, 1042, 1041, 1040, 1039, 1038, 1037, 1036, 1035, 1034, 1033, 1032, 1031, 1030, 1029, 1028, 1027, 1026, 1025, 1024, 1023, 1022, 1021, 1020, 1012, 1005, 999, 994, 990, 987, 985, 984, 983, 982, 981, 980, 979, 978, 977, 976, 969, 963, 958, 954, 951, 949, 948, 947, 946, 945, 944, 943, 942, 941, 935, 930, 926, 923, 921, 920, 919, 918, 917, 916, 915, 914, 909, 905, 902, 900, 899, 898, 897, 896, 895, 894, 890, 887, 885, 884, 883, 882, 881, 880, 877, 875, 874, 873, 872, 871, 869, 868, 867, 866, 865, 864, 863, 862, 861, 860, 859, 858, 857, 856, 855, 854, 853, 852, 851, 850, 849, 848, 847, 846, 845, 844, 843, 842, 841, 840, 839, 838, 837, 836, 835, 834, 833, 832, 831, 830, 829, 828, 827, 826, 825, 824, 823, 822, 821, 820, 819, 818, 817, 816, 815, 814, 813, 812, 811, 804, 798, 793, 789, 786, 784, 783, 782, 781, 780, 779, 778, 777, 776, 770, 765, 761, 758, 756, 755, 754, 753, 752, 751, 750, 749, 744, 740, 737, 735, 734, 733, 732, 731, 730, 729, 725, 722, 720, 719, 718, 717, 716, 715, 712, 710, 709, 708, 707, 706, 704, 703, 702, 701, 700, 699, 698, 697, 696, 695, 694, 693, 692, 691, 690, 689, 688, 687, 686, 685, 684, 683, 682, 681, 680, 679, 678, 677, 676, 675, 674, 673, 672, 671, 670, 669, 668, 667, 666, 665, 664, 663, 662, 661, 660, 659, 658, 657, 656, 650, 645, 641, 638, 636, 635, 634, 633, 632, 631, 630, 629, 624, 620, 617, 615, 614, 613, 612, 611, 610, 609, 605, 602, 600, 599, 598, 597, 596, 595, 592, 590, 589, 588, 587, 586, 584, 583, 582, 581, 580, 579, 578, 577, 576, 575, 574, 573, 572, 571, 570, 569, 568, 567, 566, 565, 564, 563, 562, 561, 560, 559, 558, 557, 556, 555, 554, 553, 552, 551, 550, 549, 548, 547, 546, 545, 540, 536, 533, 531, 530, 529, 528, 527, 526, 525, 521, 518, 516, 515, 514, 513, 512, 511, 508, 506, 505, 504, 503, 502, 500, 499, 498, 497, 496, 495, 494, 493, 492, 491, 490, 489, 488, 487, 486, 485, 484, 483, 482, 481, 480, 479, 478, 477, 476, 475, 474, 473, 472, 471, 470, 469, 465, 462, 460, 459, 458, 457, 456, 455, 452, 450, 449, 448, 447, 446, 444, 443, 442, 441, 440, 439, 438, 437, 436, 435, 434, 433, 432, 431, 430, 429, 428, 427, 426, 425, 424, 423, 422, 421, 420, 417, 415, 414, 413, 412, 411, 409, 408, 407, 406, 405, 404, 403, 402, 401, 400, 399, 398, 397, 396, 395, 394, 393, 392, 391, 389, 388, 387, 386, 385, 384, 383, 382, 381, 380, 379, 378, 377, 376, 375, 374, 373, 372, 371, 370]
Starting structural reductions, iteration 1 : 410/474 places, 981/1650 transitions.
Applied a total of 0 rules in 35 ms. Remains 410 /410 variables (removed 0) and now considering 981/981 (removed 0) transitions.
Finished structural reductions, in 2 iterations. Remains : 410/474 places, 981/1650 transitions.
Finished Parikh directed walk after 11 steps, including 0 resets, run found a deadlock after 4 ms. (steps per millisecond=2 )
FORMULA ReachabilityDeadlock TRUE TECHNIQUES TOPOLOGICAL STRUCTURAL_REDUCTION RANDOM_WALK

BK_STOP 1589953397970

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

+ export BINDIR=/home/mcc/BenchKit/
+ BINDIR=/home/mcc/BenchKit/
++ pwd
+ export MODEL=/home/mcc/execution
+ MODEL=/home/mcc/execution
+ [[ ReachabilityDeadlock = StateSpace ]]
+ /home/mcc/BenchKit//runeclipse.sh /home/mcc/execution ReachabilityDeadlock -its -ltsminpath /home/mcc/BenchKit//lts_install_dir/ -greatspnpath /home/mcc/BenchKit//greatspn/ -order META -manyOrder -smt -timeout 1800
+ ulimit -s 65536
+ [[ -z '' ]]
+ export LTSMIN_MEM_SIZE=8589934592
+ LTSMIN_MEM_SIZE=8589934592
+ /home/mcc/BenchKit//itstools/its-tools -data /home/mcc/execution/workspace -pnfolder /home/mcc/execution -examination ReachabilityDeadlock -z3path /home/mcc/BenchKit//z3/bin/z3 -yices2path /home/mcc/BenchKit//yices/bin/yices -its -ltsminpath /home/mcc/BenchKit//lts_install_dir/ -greatspnpath /home/mcc/BenchKit//greatspn/ -order META -manyOrder -smt -timeout 1800 -vmargs -Dosgi.locking=none -Declipse.stateSaveDelayInterval=-1 -Dosgi.configuration.area=/tmp/.eclipse -Xss128m -Xms40m -Xmx16000m -Dfile.encoding=UTF-8 -Dosgi.requiredJavaVersion=1.6

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="PolyORBNT-COL-S10J20"
export BK_EXAMINATION="ReachabilityDeadlock"
export BK_TOOL="itstools"
export BK_RESULT_DIR="/tmp/BK_RESULTS/OUTPUTS"
export BK_TIME_CONFINEMENT="1800"
export BK_MEMORY_CONFINEMENT="16384"

# 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 itstools"
echo " Input is PolyORBNT-COL-S10J20, examination is ReachabilityDeadlock"
echo " Time confinement is $BK_TIME_CONFINEMENT seconds"
echo " Memory confinement is 16384 MBytes"
echo " Number of cores is 4"
echo " Run identifier is r132-tajo-158961400700371"
echo "====================================================================="
echo
echo "--------------------"
echo "preparation of the directory to be used:"

tar xzf /home/mcc/BenchKit/INPUTS/PolyORBNT-COL-S10J20.tgz
mv PolyORBNT-COL-S10J20 execution
cd execution
if [ "ReachabilityDeadlock" = "ReachabilityDeadlock" ] || [ "ReachabilityDeadlock" = "UpperBounds" ] || [ "ReachabilityDeadlock" = "QuasiLiveness" ] || [ "ReachabilityDeadlock" = "StableMarking" ] || [ "ReachabilityDeadlock" = "Liveness" ] || [ "ReachabilityDeadlock" = "OneSafe" ] || [ "ReachabilityDeadlock" = "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 [ "ReachabilityDeadlock" = "UpperBounds" ] ; then
echo "The expected result is a vector of positive values"
echo NUM_VECTOR
elif [ "ReachabilityDeadlock" != "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 "ReachabilityDeadlock.txt" ] ; then
echo "here is the order used to build the result vector(from text file)"
for x in $(grep Property ReachabilityDeadlock.txt | cut -d ' ' -f 2 | sort -u) ; do
echo "FORMULA_NAME $x"
done
elif [ -f "ReachabilityDeadlock.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 '' ReachabilityDeadlock.xml | cut -d '>' -f 2 | cut -d '<' -f 1 | sort -u) ; do
echo "FORMULA_NAME $x"
done
elif [ "ReachabilityDeadlock" = "ReachabilityDeadlock" ] || [ "ReachabilityDeadlock" = "QuasiLiveness" ] || [ "ReachabilityDeadlock" = "StableMarking" ] || [ "ReachabilityDeadlock" = "Liveness" ] || [ "ReachabilityDeadlock" = "OneSafe" ] ; then
echo "FORMULA_NAME ReachabilityDeadlock"
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 ;