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-158961400500241.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 PolyORBLF-COL-S06J06T04, examination is ReachabilityDeadlock
Time confinement is 1800 seconds
Memory confinement is 16384 MBytes
Number of cores is 4
Run identifier is r132-tajo-158961400500241
=====================================================================

--------------------
preparation of the directory to be used:
/home/mcc/execution
total 344K
-rw-r--r-- 1 mcc users 5.0K Apr 12 05:54 CTLCardinality.txt
-rw-r--r-- 1 mcc users 25K Apr 12 05:53 CTLCardinality.xml
-rw-r--r-- 1 mcc users 2.8K Apr 11 05:33 CTLFireability.txt
-rw-r--r-- 1 mcc users 17K Apr 11 05:33 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 24K Apr 28 14:02 LTLCardinality.xml
-rw-r--r-- 1 mcc users 2.1K Apr 14 12:46 LTLFireability.txt
-rw-r--r-- 1 mcc users 15K Apr 28 14:02 LTLFireability.xml
-rw-r--r-- 1 mcc users 4.5K Apr 10 12:50 ReachabilityCardinality.txt
-rw-r--r-- 1 mcc users 21K Apr 10 12:49 ReachabilityCardinality.xml
-rw-r--r-- 1 mcc users 3.0K Apr 9 18:19 ReachabilityFireability.txt
-rw-r--r-- 1 mcc users 16K Apr 9 18:19 ReachabilityFireability.xml
-rw-r--r-- 1 mcc users 1.8K Apr 10 22:23 UpperBounds.txt
-rw-r--r-- 1 mcc users 3.9K Apr 10 22:23 UpperBounds.xml
-rw-r--r-- 1 mcc users 5 Mar 24 05:37 equiv_pt
-rw-r--r-- 1 mcc users 10 Mar 24 05:37 instance
-rw-r--r-- 1 mcc users 5 Mar 24 05:37 iscolored
-rw-r--r-- 1 mcc users 154K 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 1589953212117

[2020-05-20 05:40:13] [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 05:40:13] [INFO ] Parsing pnml file : /home/mcc/execution/model.pnml
[2020-05-20 05:40:13] [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 05:40:14] [INFO ] Load time of PNML (colored model parsed with PNMLFW) : 744 ms
[2020-05-20 05:40:14] [INFO ] sort/places :
D4->DisablePollingE,DisablePollingB,Insert_Source_B,P_1119,P_2579,
Threads->AwakeTasks,IdleTasks,NotifyEventJobQueuedE,QueueJobE,P_2321,TryAllocateOneTaskE,TryAllocateOneTaskB,P_2318,EnablePollingE,EnablePollingB,FetchJobB,ScheduleTaskE_Check,ScheduleTaskB,Abort_Check_Sources_E,Abort_Check_Sources_B,NotifyEventSourceAddedB,Insert_Source_E,NotifyEventSourceAddedE,P_1113,ProcessingEvt,P_1155,nyo,P_1158,P_1159,P_1160,NotifyEventEndOfCheckSourcesB,NotifyEventEndOfCheckSourcesE,Check_Sources_B,Check_Sources_E,Idle,NotifyEventJobCompletedE,NotifyEventJobCompletedB,RunE,RunB,Perform_Work_E,Try_Check_Sources_B,Try_Check_Sources_E,P_1617,ScheduleTaskE_Idle,
D6->CreatedJobs,
Jobs->P_1725,P_1724,P_1712,AvailableJobId,
Dot->cJobCnt,JobCnt,cBlockedTasks,PollingAbort,cPollingAbort,BlockedTasks,MarkerWrite,P_1727,P_1726,MarkerRead,P_1717,P_1716,CanInjectEvent,SigAbort,NoSigAbort,P_1093,P_1095,P_1097,P_1099,cSources,cIsMonitoring,IsMonitoring,cIdleTasks,ORB_Lock,
Sources->DataOnSrc,PlaceSources,ModifiedSrc,AbourtToModifySrc,
D1->NotifyEventJobQueuedB,QueueJobB,FetchJobE,ScheduleTaskE_Work,

[2020-05-20 05:40:14] [INFO ] ms2 symmetric to ms1 in transition T_1124
[2020-05-20 05:40:14] [INFO ] ms3 symmetric to ms2 in transition T_1125
[2020-05-20 05:40:14] [INFO ] ms2 symmetric to ms1 in transition T_1125
[2020-05-20 05:40:14] [INFO ] ms3 symmetric to ms2 in transition T_1126
[2020-05-20 05:40:14] [INFO ] ms2 symmetric to ms1 in transition T_1126
[2020-05-20 05:40:14] [INFO ] ms1 symmetric to ms4 in transition T_1126
[2020-05-20 05:40:14] [INFO ] Imported 81 HL places and 65 HL transitions for a total of 506 PT places and 7196.0 transition bindings in 26 ms.
[2020-05-20 05:40:14] [INFO ] Computed order based on color domains.
[2020-05-20 05:40:14] [INFO ] Unfolded HLPN to a Petri net with 506 places and 1774 transitions in 40 ms.
[2020-05-20 05:40:14] [INFO ] Unfolded HLPN properties in 0 ms.
Parsed 1 properties from file /home/mcc/execution/ReachabilityDeadlock.xml in 62 ms.
Working with output stream class java.io.PrintStream
Built sparse matrix representations for Structural reductions in 5 ms.22457KB memory used
Starting structural reductions, iteration 0 : 506/506 places, 1774/1774 transitions.
Ensure Unique test removed 6 places
Performed 36 Post agglomeration using F-continuation condition.Transition count delta: 36
Iterating post reduction 0 with 42 rules applied. Total rules applied 42 place count 500 transition count 1738
Reduce places removed 36 places and 0 transitions.
Iterating post reduction 1 with 36 rules applied. Total rules applied 78 place count 464 transition count 1738
Performed 56 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 2 with 56 Pre rules applied. Total rules applied 78 place count 464 transition count 1682
Deduced a syphon composed of 56 places in 3 ms
Reduce places removed 56 places and 0 transitions.
Iterating global reduction 2 with 112 rules applied. Total rules applied 190 place count 408 transition count 1682
Performed 48 Post agglomeration using F-continuation condition.Transition count delta: 48
Deduced a syphon composed of 48 places in 3 ms
Reduce places removed 48 places and 0 transitions.
Iterating global reduction 2 with 96 rules applied. Total rules applied 286 place count 360 transition count 1634
Applied a total of 286 rules in 212 ms. Remains 360 /506 variables (removed 146) and now considering 1634/1774 (removed 140) transitions.
[2020-05-20 05:40:14] [INFO ] Flow matrix only has 1610 transitions (discarded 24 similar events)
// Phase 1: matrix 1610 rows 360 cols
[2020-05-20 05:40:14] [INFO ] Computed 48 place invariants in 80 ms
[2020-05-20 05:40:17] [INFO ] Dead Transitions using invariants and state equation in 2410 ms returned [382, 384, 387, 391, 396, 402, 403, 405, 408, 412, 417, 423, 424, 426, 429, 433, 438, 444, 445, 447, 450, 454, 459, 465, 466, 467, 468, 469, 470, 472, 473, 474, 475, 476, 478, 481, 482, 483, 484, 485, 486, 488, 491, 495, 496, 497, 498, 499, 500, 501, 503, 506, 510, 515, 516, 517, 518, 519, 520, 521, 522, 523, 524, 525, 526, 528, 529, 530, 531, 532, 534, 537, 538, 539, 540, 541, 542, 544, 547, 551, 552, 553, 554, 555, 556, 557, 559, 562, 566, 571, 572, 573, 574, 575, 576, 577, 578, 579, 580, 581, 582, 584, 585, 586, 587, 588, 590, 593, 594, 595, 596, 597, 598, 600, 603, 607, 608, 609, 610, 611, 612, 613, 615, 618, 622, 627, 628, 629, 630, 631, 632, 633, 634, 635, 636, 637, 638, 640, 641, 642, 643, 644, 646, 649, 650, 651, 652, 653, 654, 656, 659, 663, 664, 665, 666, 667, 668, 669, 671, 674, 678, 683, 684, 685, 686, 687, 688, 689, 690, 691, 692, 693, 694, 695, 696, 697, 698, 699, 700, 701, 702, 703, 704, 705, 706, 707, 708, 709, 711, 712, 713, 714, 715, 716, 717, 718, 719, 720, 721, 722, 723, 724, 725, 726, 727, 728, 729, 731, 732, 733, 734, 735, 737, 740, 741, 742, 743, 744, 745, 746, 747, 748, 749, 750, 751, 752, 753, 754, 755, 756, 757, 758, 759, 760, 761, 762, 763, 764, 766, 767, 768, 769, 770, 772, 775, 776, 777, 778, 779, 780, 782, 785, 789, 790, 791, 792, 793, 794, 795, 796, 797, 798, 799, 800, 801, 802, 803, 804, 805, 806, 807, 808, 809, 810, 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, 837, 838, 839, 840, 841, 842, 843, 844, 845, 846, 847, 848, 849, 850, 851, 852, 853, 854, 855, 857, 858, 859, 860, 861, 863, 866, 867, 868, 869, 870, 871, 872, 873, 874, 875, 876, 877, 878, 879, 880, 881, 882, 883, 884, 885, 886, 887, 888, 889, 890, 892, 893, 894, 895, 896, 898, 901, 902, 903, 904, 905, 906, 908, 911, 915, 916, 917, 918, 919, 920, 921, 922, 923, 924, 925, 926, 927, 928, 929, 930, 931, 932, 933, 934, 935, 936, 937, 938, 939, 940, 941, 942, 943, 944, 945, 946, 947, 948, 949, 950, 951, 952, 953, 954, 955, 956, 957, 958, 959, 960, 961, 963, 964, 965, 966, 967, 968, 969, 970, 971, 972, 973, 974, 975, 976, 977, 978, 979, 980, 981, 983, 984, 985, 986, 987, 989, 992, 993, 994, 995, 996, 997, 998, 999, 1000, 1001, 1002, 1003, 1004, 1005, 1006, 1007, 1008, 1009, 1010, 1011, 1012, 1013, 1014, 1015, 1016, 1018, 1019, 1020, 1021, 1022, 1024, 1027, 1028, 1029, 1030, 1031, 1032, 1034, 1037, 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, 1089, 1090, 1091, 1092, 1093, 1094, 1095, 1096, 1097, 1098, 1099, 1100, 1101, 1102, 1103, 1104, 1105, 1106, 1107, 1109, 1110, 1111, 1112, 1113, 1115, 1118, 1119, 1120, 1121, 1122, 1123, 1124, 1125, 1126, 1127, 1128, 1129, 1130, 1131, 1132, 1133, 1134, 1135, 1136, 1137, 1138, 1139, 1140, 1141, 1142, 1144, 1145, 1146, 1147, 1148, 1150, 1153, 1154, 1155, 1156, 1157, 1158, 1160, 1163, 1167, 1168, 1169, 1170, 1171, 1172, 1173, 1174, 1175, 1176, 1177, 1178, 1179, 1180, 1181, 1182, 1183, 1184, 1185, 1186, 1187, 1188, 1189, 1190, 1191, 1192, 1193]
Found 612 dead transitions using SMT.
Drop transitions removed 612 transitions
Dead transitions reduction (with SMT) triggered by suspicious arc values removed 612 transitions :[1193, 1192, 1191, 1190, 1189, 1188, 1187, 1186, 1185, 1184, 1183, 1182, 1181, 1180, 1179, 1178, 1177, 1176, 1175, 1174, 1173, 1172, 1171, 1170, 1169, 1168, 1167, 1163, 1160, 1158, 1157, 1156, 1155, 1154, 1153, 1150, 1148, 1147, 1146, 1145, 1144, 1142, 1141, 1140, 1139, 1138, 1137, 1136, 1135, 1134, 1133, 1132, 1131, 1130, 1129, 1128, 1127, 1126, 1125, 1124, 1123, 1122, 1121, 1120, 1119, 1118, 1115, 1113, 1112, 1111, 1110, 1109, 1107, 1106, 1105, 1104, 1103, 1102, 1101, 1100, 1099, 1098, 1097, 1096, 1095, 1094, 1093, 1092, 1091, 1090, 1089, 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, 1037, 1034, 1032, 1031, 1030, 1029, 1028, 1027, 1024, 1022, 1021, 1020, 1019, 1018, 1016, 1015, 1014, 1013, 1012, 1011, 1010, 1009, 1008, 1007, 1006, 1005, 1004, 1003, 1002, 1001, 1000, 999, 998, 997, 996, 995, 994, 993, 992, 989, 987, 986, 985, 984, 983, 981, 980, 979, 978, 977, 976, 975, 974, 973, 972, 971, 970, 969, 968, 967, 966, 965, 964, 963, 961, 960, 959, 958, 957, 956, 955, 954, 953, 952, 951, 950, 949, 948, 947, 946, 945, 944, 943, 942, 941, 940, 939, 938, 937, 936, 935, 934, 933, 932, 931, 930, 929, 928, 927, 926, 925, 924, 923, 922, 921, 920, 919, 918, 917, 916, 915, 911, 908, 906, 905, 904, 903, 902, 901, 898, 896, 895, 894, 893, 892, 890, 889, 888, 887, 886, 885, 884, 883, 882, 881, 880, 879, 878, 877, 876, 875, 874, 873, 872, 871, 870, 869, 868, 867, 866, 863, 861, 860, 859, 858, 857, 855, 854, 853, 852, 851, 850, 849, 848, 847, 846, 845, 844, 843, 842, 841, 840, 839, 838, 837, 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, 810, 809, 808, 807, 806, 805, 804, 803, 802, 801, 800, 799, 798, 797, 796, 795, 794, 793, 792, 791, 790, 789, 785, 782, 780, 779, 778, 777, 776, 775, 772, 770, 769, 768, 767, 766, 764, 763, 762, 761, 760, 759, 758, 757, 756, 755, 754, 753, 752, 751, 750, 749, 748, 747, 746, 745, 744, 743, 742, 741, 740, 737, 735, 734, 733, 732, 731, 729, 728, 727, 726, 725, 724, 723, 722, 721, 720, 719, 718, 717, 716, 715, 714, 713, 712, 711, 709, 708, 707, 706, 705, 704, 703, 702, 701, 700, 699, 698, 697, 696, 695, 694, 693, 692, 691, 690, 689, 688, 687, 686, 685, 684, 683, 678, 674, 671, 669, 668, 667, 666, 665, 664, 663, 659, 656, 654, 653, 652, 651, 650, 649, 646, 644, 643, 642, 641, 640, 638, 637, 636, 635, 634, 633, 632, 631, 630, 629, 628, 627, 622, 618, 615, 613, 612, 611, 610, 609, 608, 607, 603, 600, 598, 597, 596, 595, 594, 593, 590, 588, 587, 586, 585, 584, 582, 581, 580, 579, 578, 577, 576, 575, 574, 573, 572, 571, 566, 562, 559, 557, 556, 555, 554, 553, 552, 551, 547, 544, 542, 541, 540, 539, 538, 537, 534, 532, 531, 530, 529, 528, 526, 525, 524, 523, 522, 521, 520, 519, 518, 517, 516, 515, 510, 506, 503, 501, 500, 499, 498, 497, 496, 495, 491, 488, 486, 485, 484, 483, 482, 481, 478, 476, 475, 474, 473, 472, 470, 469, 468, 467, 466, 465, 459, 454, 450, 447, 445, 444, 438, 433, 429, 426, 424, 423, 417, 412, 408, 405, 403, 402, 396, 391, 387, 384, 382]
Starting structural reductions, iteration 1 : 360/506 places, 1022/1774 transitions.
Applied a total of 0 rules in 43 ms. Remains 360 /360 variables (removed 0) and now considering 1022/1022 (removed 0) transitions.
Finished structural reductions, in 2 iterations. Remains : 360/506 places, 1022/1774 transitions.
Finished Parikh directed walk after 113 steps, including 0 resets, run found a deadlock after 4 ms. (steps per millisecond=28 )
FORMULA ReachabilityDeadlock TRUE TECHNIQUES TOPOLOGICAL STRUCTURAL_REDUCTION RANDOM_WALK

BK_STOP 1589953217535

--------------------
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="PolyORBLF-COL-S06J06T04"
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 PolyORBLF-COL-S06J06T04, 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-158961400500241"
echo "====================================================================="
echo
echo "--------------------"
echo "preparation of the directory to be used:"

tar xzf /home/mcc/BenchKit/INPUTS/PolyORBLF-COL-S06J06T04.tgz
mv PolyORBLF-COL-S06J06T04 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 ;