fond
Model Checking Contest 2021
11th edition, Paris, France, June 23, 2021
Execution of r166-oct2-162089278500203
Last Updated
Jun 28, 2021

About the Execution of ITS-Tools for PolyORBLF-PT-S06J04T06

Execution Summary
Max Memory
Used (MB)
Time wait (ms) CPU Usage (ms) I/O Wait (ms) Computed Result Execution
Status
1042.296 110150.00 136927.00 129.40 F normal

Execution Chart

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

Trace from the execution

Formatting '/data/fko/mcc2021-input.r166-oct2-162089278500203.qcow2', fmt=qcow2 size=4294967296 backing_file=/data/fko/mcc2021-input.qcow2 cluster_size=65536 lazy_refcounts=off refcount_bits=16
Waiting for the VM to be ready (probing ssh)
.......................................................................................................................................................................
=====================================================================
Generated by BenchKit 2-4028
Executing tool itstools
Input is PolyORBLF-PT-S06J04T06, examination is StableMarking
Time confinement is 1800 seconds
Memory confinement is 16384 MBytes
Number of cores is 4
Run identifier is r166-oct2-162089278500203
=====================================================================

--------------------
preparation of the directory to be used:
/home/mcc/execution
total 21M
-rw-r--r-- 1 mcc users 84K May 5 16:58 CTLCardinality.txt
-rw-r--r-- 1 mcc users 360K May 10 09:43 CTLCardinality.xml
-rw-r--r-- 1 mcc users 1.1M May 5 16:58 CTLFireability.txt
-rw-r--r-- 1 mcc users 4.4M May 10 09:43 CTLFireability.xml
-rw-r--r-- 1 mcc users 4.2K May 6 14:48 GenericPropertiesDefinition.xml
-rw-r--r-- 1 mcc users 7.6K Mar 28 16:27 LTLCardinality.txt
-rw-r--r-- 1 mcc users 32K Mar 28 16:27 LTLCardinality.xml
-rw-r--r-- 1 mcc users 32K Mar 28 16:27 LTLFireability.txt
-rw-r--r-- 1 mcc users 127K Mar 28 16:27 LTLFireability.xml
-rw-r--r-- 1 mcc users 8.6K Mar 27 09:26 ReachabilityCardinality.txt
-rw-r--r-- 1 mcc users 28K Mar 27 09:26 ReachabilityCardinality.xml
-rw-r--r-- 1 mcc users 161K Mar 25 12:07 ReachabilityFireability.txt
-rw-r--r-- 1 mcc users 506K Mar 25 12:07 ReachabilityFireability.xml
-rw-r--r-- 1 mcc users 2.8K Mar 22 09:16 UpperBounds.txt
-rw-r--r-- 1 mcc users 5.7K Mar 22 09:16 UpperBounds.xml
-rw-r--r-- 1 mcc users 5 May 5 16:51 equiv_col
-rw-r--r-- 1 mcc users 10 May 5 16:51 instance
-rw-r--r-- 1 mcc users 6 May 5 16:51 iscolored
-rw-r--r-- 1 mcc users 15M May 5 16:51 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 StableMarking

=== Now, execution of the tool begins

BK_START 1621287943473

Running Version 0
[2021-05-17 21:45:45] [INFO ] Running its-tools with arguments : [-pnfolder, /home/mcc/execution, -examination, StableMarking, -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]
[2021-05-17 21:45:45] [INFO ] Parsing pnml file : /home/mcc/execution/model.pnml
[2021-05-17 21:45:45] [INFO ] Load time of PNML (sax parser for PT used): 559 ms
[2021-05-17 21:45:45] [INFO ] Transformed 632 places.
[2021-05-17 21:45:45] [INFO ] Transformed 10500 transitions.
[2021-05-17 21:45:45] [INFO ] Parsed PT model containing 632 places and 10500 transitions in 658 ms.
Ensure Unique test removed 8070 transitions
Reduce redundant transitions removed 8070 transitions.
Incomplete random walk after 10000 steps, including 44 resets, run finished after 143 ms. (steps per millisecond=69 ) properties (out of 632) seen :616
Incomplete Best-First random walk after 1000 steps, including 2 resets, run finished after 5 ms. (steps per millisecond=200 ) properties (out of 16) seen :0
Incomplete Best-First random walk after 1001 steps, including 4 resets, run finished after 5 ms. (steps per millisecond=200 ) properties (out of 16) seen :0
Incomplete Best-First random walk after 1001 steps, including 4 resets, run finished after 5 ms. (steps per millisecond=200 ) properties (out of 16) seen :0
Incomplete Best-First random walk after 1001 steps, including 4 resets, run finished after 4 ms. (steps per millisecond=250 ) properties (out of 16) seen :0
Incomplete Best-First random walk after 1000 steps, including 3 resets, run finished after 5 ms. (steps per millisecond=200 ) properties (out of 16) seen :0
Incomplete Best-First random walk after 1000 steps, including 2 resets, run finished after 4 ms. (steps per millisecond=250 ) properties (out of 16) seen :0
Incomplete Best-First random walk after 1000 steps, including 2 resets, run finished after 5 ms. (steps per millisecond=200 ) properties (out of 16) seen :0
Incomplete Best-First random walk after 1000 steps, including 4 resets, run finished after 4 ms. (steps per millisecond=250 ) properties (out of 16) seen :1
Incomplete Best-First random walk after 1001 steps, including 6 resets, run finished after 6 ms. (steps per millisecond=166 ) properties (out of 15) seen :0
Incomplete Best-First random walk after 1000 steps, including 3 resets, run finished after 5 ms. (steps per millisecond=200 ) properties (out of 15) seen :1
Incomplete Best-First random walk after 1000 steps, including 2 resets, run finished after 4 ms. (steps per millisecond=250 ) properties (out of 14) seen :0
Incomplete Best-First random walk after 1001 steps, including 4 resets, run finished after 4 ms. (steps per millisecond=250 ) properties (out of 14) seen :5
Incomplete Best-First random walk after 1000 steps, including 2 resets, run finished after 4 ms. (steps per millisecond=250 ) properties (out of 9) seen :0
Incomplete Best-First random walk after 1001 steps, including 3 resets, run finished after 5 ms. (steps per millisecond=200 ) properties (out of 9) seen :0
Running SMT prover for 9 properties.
[2021-05-17 21:45:46] [INFO ] Flow matrix only has 2394 transitions (discarded 36 similar events)
// Phase 1: matrix 2394 rows 632 cols
[2021-05-17 21:45:46] [INFO ] Computed 54 place invariants in 173 ms
[2021-05-17 21:45:46] [INFO ] [Real]Absence check using 17 positive place invariants in 27 ms returned sat
[2021-05-17 21:45:47] [INFO ] [Real]Absence check using 17 positive and 37 generalized place invariants in 34 ms returned sat
[2021-05-17 21:45:47] [INFO ] [Real]Adding state equation constraints to refine reachable states.
[2021-05-17 21:45:48] [INFO ] [Real]Absence check using state equation in 1841 ms returned sat
[2021-05-17 21:45:49] [INFO ] Solution in real domain found non-integer solution.
[2021-05-17 21:45:49] [INFO ] [Nat]Absence check using 17 positive place invariants in 12 ms returned sat
[2021-05-17 21:45:49] [INFO ] [Nat]Absence check using 17 positive and 37 generalized place invariants in 38 ms returned sat
[2021-05-17 21:45:49] [INFO ] [Nat]Adding state equation constraints to refine reachable states.
[2021-05-17 21:45:54] [INFO ] [Nat]Absence check using state equation in 4830 ms returned unknown
[2021-05-17 21:45:54] [INFO ] [Real]Absence check using 17 positive place invariants in 10 ms returned sat
[2021-05-17 21:45:54] [INFO ] [Real]Absence check using 17 positive and 37 generalized place invariants in 28 ms returned sat
[2021-05-17 21:45:54] [INFO ] [Real]Adding state equation constraints to refine reachable states.
[2021-05-17 21:45:57] [INFO ] [Real]Absence check using state equation in 3667 ms returned sat
[2021-05-17 21:45:57] [INFO ] Solution in real domain found non-integer solution.
[2021-05-17 21:45:58] [INFO ] [Nat]Absence check using 17 positive place invariants in 8 ms returned sat
[2021-05-17 21:45:58] [INFO ] [Nat]Absence check using 17 positive and 37 generalized place invariants in 26 ms returned sat
[2021-05-17 21:45:58] [INFO ] [Nat]Adding state equation constraints to refine reachable states.
[2021-05-17 21:46:03] [INFO ] [Nat]Absence check using state equation in 4902 ms returned unknown
[2021-05-17 21:46:03] [INFO ] [Real]Absence check using 17 positive place invariants in 6 ms returned sat
[2021-05-17 21:46:03] [INFO ] [Real]Absence check using 17 positive and 37 generalized place invariants in 26 ms returned sat
[2021-05-17 21:46:03] [INFO ] [Real]Adding state equation constraints to refine reachable states.
[2021-05-17 21:46:06] [INFO ] [Real]Absence check using state equation in 3044 ms returned sat
[2021-05-17 21:46:06] [INFO ] Solution in real domain found non-integer solution.
[2021-05-17 21:46:06] [INFO ] [Nat]Absence check using 17 positive place invariants in 7 ms returned sat
[2021-05-17 21:46:06] [INFO ] [Nat]Absence check using 17 positive and 37 generalized place invariants in 49 ms returned sat
[2021-05-17 21:46:06] [INFO ] [Nat]Adding state equation constraints to refine reachable states.
[2021-05-17 21:46:11] [INFO ] [Nat]Absence check using state equation in 4911 ms returned unknown
[2021-05-17 21:46:11] [INFO ] [Real]Absence check using 17 positive place invariants in 8 ms returned sat
[2021-05-17 21:46:11] [INFO ] [Real]Absence check using 17 positive and 37 generalized place invariants in 27 ms returned sat
[2021-05-17 21:46:11] [INFO ] [Real]Adding state equation constraints to refine reachable states.
[2021-05-17 21:46:13] [INFO ] [Real]Absence check using state equation in 2041 ms returned sat
[2021-05-17 21:46:13] [INFO ] Solution in real domain found non-integer solution.
[2021-05-17 21:46:13] [INFO ] [Nat]Absence check using 17 positive place invariants in 7 ms returned sat
[2021-05-17 21:46:13] [INFO ] [Nat]Absence check using 17 positive and 37 generalized place invariants in 24 ms returned sat
[2021-05-17 21:46:13] [INFO ] [Nat]Adding state equation constraints to refine reachable states.
[2021-05-17 21:46:18] [INFO ] [Nat]Absence check using state equation in 4929 ms returned unknown
[2021-05-17 21:46:18] [INFO ] [Real]Absence check using 17 positive place invariants in 20 ms returned sat
[2021-05-17 21:46:18] [INFO ] [Real]Absence check using 17 positive and 37 generalized place invariants in 28 ms returned sat
[2021-05-17 21:46:18] [INFO ] [Real]Adding state equation constraints to refine reachable states.
[2021-05-17 21:46:20] [INFO ] [Real]Absence check using state equation in 2088 ms returned sat
[2021-05-17 21:46:20] [INFO ] Solution in real domain found non-integer solution.
[2021-05-17 21:46:20] [INFO ] [Nat]Absence check using 17 positive place invariants in 7 ms returned sat
[2021-05-17 21:46:20] [INFO ] [Nat]Absence check using 17 positive and 37 generalized place invariants in 25 ms returned sat
[2021-05-17 21:46:20] [INFO ] [Nat]Adding state equation constraints to refine reachable states.
[2021-05-17 21:46:25] [INFO ] [Nat]Absence check using state equation in 4919 ms returned unknown
[2021-05-17 21:46:25] [INFO ] [Real]Absence check using 17 positive place invariants in 6 ms returned sat
[2021-05-17 21:46:25] [INFO ] [Real]Absence check using 17 positive and 37 generalized place invariants in 26 ms returned sat
[2021-05-17 21:46:25] [INFO ] [Real]Adding state equation constraints to refine reachable states.
[2021-05-17 21:46:27] [INFO ] [Real]Absence check using state equation in 1940 ms returned sat
[2021-05-17 21:46:27] [INFO ] Solution in real domain found non-integer solution.
[2021-05-17 21:46:27] [INFO ] [Nat]Absence check using 17 positive place invariants in 9 ms returned sat
[2021-05-17 21:46:27] [INFO ] [Nat]Absence check using 17 positive and 37 generalized place invariants in 37 ms returned sat
[2021-05-17 21:46:27] [INFO ] [Nat]Adding state equation constraints to refine reachable states.
[2021-05-17 21:46:32] [INFO ] [Nat]Absence check using state equation in 4911 ms returned unknown
[2021-05-17 21:46:32] [INFO ] [Real]Absence check using 17 positive place invariants in 30 ms returned sat
[2021-05-17 21:46:32] [INFO ] [Real]Absence check using 17 positive and 37 generalized place invariants in 28 ms returned sat
[2021-05-17 21:46:32] [INFO ] [Real]Adding state equation constraints to refine reachable states.
[2021-05-17 21:46:34] [INFO ] [Real]Absence check using state equation in 1610 ms returned sat
[2021-05-17 21:46:34] [INFO ] Solution in real domain found non-integer solution.
[2021-05-17 21:46:34] [INFO ] [Nat]Absence check using 17 positive place invariants in 14 ms returned sat
[2021-05-17 21:46:34] [INFO ] [Nat]Absence check using 17 positive and 37 generalized place invariants in 25 ms returned sat
[2021-05-17 21:46:34] [INFO ] [Nat]Adding state equation constraints to refine reachable states.
[2021-05-17 21:46:39] [INFO ] [Nat]Absence check using state equation in 4918 ms returned unknown
[2021-05-17 21:46:39] [INFO ] [Real]Absence check using 17 positive place invariants in 6 ms returned sat
[2021-05-17 21:46:39] [INFO ] [Real]Absence check using 17 positive and 37 generalized place invariants in 26 ms returned sat
[2021-05-17 21:46:39] [INFO ] [Real]Adding state equation constraints to refine reachable states.
[2021-05-17 21:46:41] [INFO ] [Real]Absence check using state equation in 2180 ms returned sat
[2021-05-17 21:46:42] [INFO ] Solution in real domain found non-integer solution.
[2021-05-17 21:46:42] [INFO ] [Nat]Absence check using 17 positive place invariants in 7 ms returned sat
[2021-05-17 21:46:42] [INFO ] [Nat]Absence check using 17 positive and 37 generalized place invariants in 25 ms returned sat
[2021-05-17 21:46:42] [INFO ] [Nat]Adding state equation constraints to refine reachable states.
[2021-05-17 21:46:47] [INFO ] [Nat]Absence check using state equation in 4932 ms returned unknown
[2021-05-17 21:46:47] [INFO ] [Real]Absence check using 17 positive place invariants in 6 ms returned sat
[2021-05-17 21:46:47] [INFO ] [Real]Absence check using 17 positive and 37 generalized place invariants in 25 ms returned sat
[2021-05-17 21:46:47] [INFO ] [Real]Adding state equation constraints to refine reachable states.
[2021-05-17 21:46:48] [INFO ] [Real]Absence check using state equation in 1718 ms returned sat
[2021-05-17 21:46:48] [INFO ] Solution in real domain found non-integer solution.
[2021-05-17 21:46:49] [INFO ] [Nat]Absence check using 17 positive place invariants in 7 ms returned sat
[2021-05-17 21:46:49] [INFO ] [Nat]Absence check using 17 positive and 37 generalized place invariants in 37 ms returned sat
[2021-05-17 21:46:49] [INFO ] [Nat]Adding state equation constraints to refine reachable states.
[2021-05-17 21:46:53] [INFO ] [Nat]Absence check using state equation in 4912 ms returned unknown
Fused 9 Parikh solutions to 1 different solutions.
Support contains 9 out of 632 places. Attempting structural reductions.
Starting structural reductions, iteration 0 : 632/632 places, 2430/2430 transitions.
Ensure Unique test removed 6 places
Drop transitions removed 49 transitions
Trivial Post-agglo rules discarded 49 transitions
Performed 49 trivial Post agglomeration. Transition count delta: 49
Iterating post reduction 0 with 55 rules applied. Total rules applied 55 place count 626 transition count 2381
Reduce places removed 49 places and 0 transitions.
Iterating post reduction 1 with 49 rules applied. Total rules applied 104 place count 577 transition count 2381
Performed 72 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 2 with 72 Pre rules applied. Total rules applied 104 place count 577 transition count 2309
Deduced a syphon composed of 72 places in 4 ms
Reduce places removed 72 places and 0 transitions.
Iterating global reduction 2 with 144 rules applied. Total rules applied 248 place count 505 transition count 2309
Performed 72 Post agglomeration using F-continuation condition.Transition count delta: 72
Deduced a syphon composed of 72 places in 2 ms
Reduce places removed 72 places and 0 transitions.
Iterating global reduction 2 with 144 rules applied. Total rules applied 392 place count 433 transition count 2237
Free-agglomeration rule (complex) applied 12 times.
Iterating global reduction 2 with 12 rules applied. Total rules applied 404 place count 433 transition count 2225
Reduce places removed 12 places and 0 transitions.
Iterating post reduction 2 with 12 rules applied. Total rules applied 416 place count 421 transition count 2225
Applied a total of 416 rules in 365 ms. Remains 421 /632 variables (removed 211) and now considering 2225/2430 (removed 205) transitions.
[2021-05-17 21:46:54] [INFO ] Flow matrix only has 2189 transitions (discarded 36 similar events)
// Phase 1: matrix 2189 rows 421 cols
[2021-05-17 21:46:54] [INFO ] Computed 48 place invariants in 53 ms
[2021-05-17 21:46:55] [INFO ] Dead Transitions using invariants and state equation in 982 ms returned [947, 948, 949, 950, 951, 953, 955, 956, 957, 958, 959, 960, 961, 965, 966, 967, 970, 971, 972, 973, 975, 976, 977, 979, 980, 983, 984, 986, 989, 990, 991, 992, 994, 996, 997, 998, 1001, 1002, 1004, 1005, 1006, 1007, 1008, 1009, 1010, 1011, 1013, 1014, 1015, 1018, 1019, 1020, 1021, 1022, 1024, 1025, 1026, 1027, 1028, 1029, 1030, 1031, 1032, 1033, 1034, 1035, 1036, 1037, 1039, 1040, 1041, 1042, 1043, 1044, 1045, 1047, 1048, 1049, 1050, 1051, 1052, 1053, 1056, 1058, 1059, 1060, 1063, 1065, 1066, 1067, 1068, 1069, 1070, 1071, 1075, 1077, 1078, 1079, 1080, 1081, 1082, 1083, 1084, 1085, 1086, 1087, 1088, 1090, 1091, 1092, 1094, 1095, 1096, 1097, 1098, 1100, 1101, 1103, 1104, 1106, 1107, 1109, 1110, 1111, 1113, 1114, 1115, 1117, 1118, 1119, 1120, 1121, 1122, 1123, 1124, 1128, 1129, 1130, 1131, 1132, 1135, 1141, 1142, 1143, 1144, 1146, 1147, 1148, 1149, 1150, 1151, 1152, 1153, 1160, 1161, 1163, 1164, 1166, 1167, 1169, 1170, 1172, 1173, 1174, 1175, 1176, 1177, 1178, 1182, 1185, 1186, 1187, 1188, 1189, 1190, 1191, 1192, 1193, 1194, 1195, 1196, 1197, 1200, 1201, 1203, 1204, 1205, 1206, 1208, 1209, 1210, 1211, 1212, 1214, 1215, 1216, 1217, 1218, 1220, 1221, 1223, 1224, 1227, 1231, 1232, 1233, 1234, 1235, 1236, 1237, 1240, 1241, 1242, 1243, 1244, 1245, 1246, 1248, 1249, 1250, 1254, 1255, 1256, 1258, 1259, 1260, 1261, 1262, 1263, 1264, 1265, 1266, 1268, 1270, 1271, 1272, 1273, 1275, 1278, 1279, 1280, 1281, 1282, 1283, 1284, 1285, 1287, 1288, 1289, 1291, 1293, 1294, 1295, 1296, 1297, 1298, 1299, 1300, 1301, 1302, 1303, 1304, 1305, 1306, 1307, 1309, 1311, 1312, 1313, 1315, 1316, 1317, 1318, 1321, 1322, 1323, 1325, 1326, 1327, 1328, 1329, 1333, 1334, 1335, 1336, 1338, 1339, 1340, 1342, 1345, 1346, 1348, 1349, 1350, 1354, 1355, 1356, 1357, 1358, 1360, 1362, 1364, 1365, 1366, 1367, 1368, 1373, 1374, 1375, 1376, 1381, 1382, 1383, 1385, 1386, 1387, 1390, 1391, 1393, 1394, 1396, 1400, 1401, 1402, 1403, 1404, 1405, 1406, 1407, 1408, 1409, 1411, 1412, 1413, 1414, 1416, 1417, 1418, 1421, 1422, 1423, 1424, 1425, 1426, 1429, 1430, 1431, 1432, 1433, 1436, 1437, 1438, 1439, 1440, 1441, 1442, 1443, 1444, 1445, 1446, 1447, 1448, 1451, 1452, 1453, 1454, 1455, 1456, 1457, 1458, 1459, 1461, 1464, 1465, 1466, 1467, 1468, 1469, 1471, 1472, 1473, 1476, 1479, 1480, 1481, 1483, 1484, 1485, 1486, 1487, 1488, 1489, 1490, 1491, 1492, 1495, 1496, 1498, 1501, 1502, 1504, 1506, 1507, 1508, 1509, 1510, 1511, 1512, 1513, 1514, 1515, 1517, 1518, 1520, 1521, 1522, 1523, 1525, 1526, 1527, 1528, 1529, 1530, 1533, 1534, 1535, 1536, 1537, 1538, 1539, 1542, 1544, 1545, 1547, 1549, 1550, 1551, 1553, 1554, 1557, 1558, 1559, 1560, 1561, 1562, 1563, 1566, 1567, 1568, 1570, 1571, 1572, 1574, 1575, 1576, 1577, 1579, 1580, 1581, 1586, 1587, 1588, 1589, 1593, 1594, 1596, 1597, 1600, 1601, 1602, 1605, 1607, 1608, 1609, 1610, 1611, 1612, 1613, 1615, 1616, 1617, 1618, 1619, 1620, 1621, 1622, 1623, 1625, 1626, 1627, 1628, 1629, 1630, 1631, 1633, 1635, 1638, 1639, 1640, 1641, 1643, 1646, 1647, 1648, 1649, 1650, 1652, 1653, 1654, 1655, 1656, 1657, 1658, 1659, 1660, 1661, 1663, 1664, 1665, 1666, 1667, 1668, 1670, 1671, 1672, 1673, 1677, 1678, 1679, 1681, 1682, 1683, 1685, 1686, 1687, 1689, 1691, 1692, 1693, 1694, 1695, 1696, 1697, 1699, 1701, 1703, 1704, 1705, 1706, 1707, 1708, 1709, 1710, 1711, 1713, 1715, 1716, 1717, 1718, 1719, 1721, 1722, 1724, 1726, 1727, 1728, 1730, 1731, 1734, 1735, 1736, 1737, 1738, 1739, 1740, 1741, 1742, 1743, 1744, 1746, 1747, 1750, 1751, 1752, 1754, 1755, 1756, 1757, 1758, 1759, 1761, 1762, 1765, 1766, 1768, 1770, 1772, 1773, 1774, 1775, 1776, 1777, 1780, 1781, 1785, 1786, 1788, 1790, 1791, 1792, 1793, 1794, 1795, 1796, 1797, 1799, 1800, 1804, 1806, 1807, 1809, 1811, 1812, 1813, 1814, 1815, 1816, 1817, 1818, 1819, 1822, 1823, 1824, 1825, 1827, 1828, 1830, 1831, 1834, 1835, 1836, 1837, 1838, 1839, 1840, 1842, 1843, 1844, 1847, 1848, 1850, 1851, 1852, 1854, 1855, 1856, 1857, 1858, 1860, 1862, 1863, 1865, 1866, 1869, 1870, 1872, 1873, 1876, 1877, 1878, 1879, 1881, 1882, 1883, 1884, 1885, 1886, 1887, 1888, 1889, 1891, 1892, 1896, 1897, 1898, 1899, 1900, 1901, 1903, 1904, 1905, 1906, 1907, 1908, 1909, 1910, 1911, 1912, 1914, 1915, 1916, 1917, 1918, 1919, 1920, 1921, 1922, 1923, 1924, 1925, 1927, 1928, 1929, 1930, 1931, 1932, 1933, 1934, 1935, 1936, 1937, 1939, 1940, 1942, 1943, 1945, 1946, 1947, 1949, 1950, 1951, 1953, 1954, 1955, 1957, 1959, 1961, 1962, 1963, 1965, 1966, 1967, 1969, 1971, 1972, 1974, 1975, 1976, 1977, 1978, 1979, 1981, 1982, 1983, 1987, 1989, 1991, 1993, 1995, 1996, 1997, 1998, 1999, 2000, 2002, 2012, 2013, 2014, 2017, 2019, 2020, 2021, 2022, 2023, 2024, 2025, 2026, 2028, 2029, 2030, 2034, 2035, 2037, 2042, 2043, 2044, 2045, 2046, 2047, 2048, 2050, 2051, 2052, 2053, 2054, 2056, 2057, 2060, 2061, 2062, 2063, 2064, 2065, 2066, 2067, 2068, 2069, 2070, 2071, 2072, 2073, 2074, 2076, 2077, 2079, 2081, 2082, 2083, 2085, 2086, 2088, 2089, 2090, 2091, 2092, 2093, 2094, 2096, 2098, 2099, 2100, 2101, 2102, 2103, 2105, 2106, 2107, 2108, 2109, 2110, 2111, 2112, 2113, 2114, 2115, 2117, 2118, 2121, 2122, 2123, 2124, 2125, 2126, 2129, 2130, 2131, 2132, 2133, 2134, 2135, 2136, 2137, 2138, 2139, 2140, 2141, 2142, 2143, 2144, 2145, 2147, 2148, 2149, 2151, 2152, 2153, 2155, 2157, 2160, 2164, 2165, 2166, 2167, 2168, 2169, 2170, 2172, 2175, 2176, 2177, 2178, 2179, 2180, 2181, 2182, 2183, 2184, 2186, 2187, 2188, 2189, 2192, 2194, 2196, 2197, 2198, 2200, 2203, 2205, 2207, 2208, 2209, 2210, 2211, 2213, 2215, 2218, 2220]
Found 918 dead transitions using SMT.
Drop transitions removed 918 transitions
Dead transitions reduction (with SMT) triggered by suspicious arc values removed 918 transitions :[2220, 2218, 2215, 2213, 2211, 2210, 2209, 2208, 2207, 2205, 2203, 2200, 2198, 2197, 2196, 2194, 2192, 2189, 2188, 2187, 2186, 2184, 2183, 2182, 2181, 2180, 2179, 2178, 2177, 2176, 2175, 2172, 2170, 2169, 2168, 2167, 2166, 2165, 2164, 2160, 2157, 2155, 2153, 2152, 2151, 2149, 2148, 2147, 2145, 2144, 2143, 2142, 2141, 2140, 2139, 2138, 2137, 2136, 2135, 2134, 2133, 2132, 2131, 2130, 2129, 2126, 2125, 2124, 2123, 2122, 2121, 2118, 2117, 2115, 2114, 2113, 2112, 2111, 2110, 2109, 2108, 2107, 2106, 2105, 2103, 2102, 2101, 2100, 2099, 2098, 2096, 2094, 2093, 2092, 2091, 2090, 2089, 2088, 2086, 2085, 2083, 2082, 2081, 2079, 2077, 2076, 2074, 2073, 2072, 2071, 2070, 2069, 2068, 2067, 2066, 2065, 2064, 2063, 2062, 2061, 2060, 2057, 2056, 2054, 2053, 2052, 2051, 2050, 2048, 2047, 2046, 2045, 2044, 2043, 2042, 2037, 2035, 2034, 2030, 2029, 2028, 2026, 2025, 2024, 2023, 2022, 2021, 2020, 2019, 2017, 2014, 2013, 2012, 2002, 2000, 1999, 1998, 1997, 1996, 1995, 1993, 1991, 1989, 1987, 1983, 1982, 1981, 1979, 1978, 1977, 1976, 1975, 1974, 1972, 1971, 1969, 1967, 1966, 1965, 1963, 1962, 1961, 1959, 1957, 1955, 1954, 1953, 1951, 1950, 1949, 1947, 1946, 1945, 1943, 1942, 1940, 1939, 1937, 1936, 1935, 1934, 1933, 1932, 1931, 1930, 1929, 1928, 1927, 1925, 1924, 1923, 1922, 1921, 1920, 1919, 1918, 1917, 1916, 1915, 1914, 1912, 1911, 1910, 1909, 1908, 1907, 1906, 1905, 1904, 1903, 1901, 1900, 1899, 1898, 1897, 1896, 1892, 1891, 1889, 1888, 1887, 1886, 1885, 1884, 1883, 1882, 1881, 1879, 1878, 1877, 1876, 1873, 1872, 1870, 1869, 1866, 1865, 1863, 1862, 1860, 1858, 1857, 1856, 1855, 1854, 1852, 1851, 1850, 1848, 1847, 1844, 1843, 1842, 1840, 1839, 1838, 1837, 1836, 1835, 1834, 1831, 1830, 1828, 1827, 1825, 1824, 1823, 1822, 1819, 1818, 1817, 1816, 1815, 1814, 1813, 1812, 1811, 1809, 1807, 1806, 1804, 1800, 1799, 1797, 1796, 1795, 1794, 1793, 1792, 1791, 1790, 1788, 1786, 1785, 1781, 1780, 1777, 1776, 1775, 1774, 1773, 1772, 1770, 1768, 1766, 1765, 1762, 1761, 1759, 1758, 1757, 1756, 1755, 1754, 1752, 1751, 1750, 1747, 1746, 1744, 1743, 1742, 1741, 1740, 1739, 1738, 1737, 1736, 1735, 1734, 1731, 1730, 1728, 1727, 1726, 1724, 1722, 1721, 1719, 1718, 1717, 1716, 1715, 1713, 1711, 1710, 1709, 1708, 1707, 1706, 1705, 1704, 1703, 1701, 1699, 1697, 1696, 1695, 1694, 1693, 1692, 1691, 1689, 1687, 1686, 1685, 1683, 1682, 1681, 1679, 1678, 1677, 1673, 1672, 1671, 1670, 1668, 1667, 1666, 1665, 1664, 1663, 1661, 1660, 1659, 1658, 1657, 1656, 1655, 1654, 1653, 1652, 1650, 1649, 1648, 1647, 1646, 1643, 1641, 1640, 1639, 1638, 1635, 1633, 1631, 1630, 1629, 1628, 1627, 1626, 1625, 1623, 1622, 1621, 1620, 1619, 1618, 1617, 1616, 1615, 1613, 1612, 1611, 1610, 1609, 1608, 1607, 1605, 1602, 1601, 1600, 1597, 1596, 1594, 1593, 1589, 1588, 1587, 1586, 1581, 1580, 1579, 1577, 1576, 1575, 1574, 1572, 1571, 1570, 1568, 1567, 1566, 1563, 1562, 1561, 1560, 1559, 1558, 1557, 1554, 1553, 1551, 1550, 1549, 1547, 1545, 1544, 1542, 1539, 1538, 1537, 1536, 1535, 1534, 1533, 1530, 1529, 1528, 1527, 1526, 1525, 1523, 1522, 1521, 1520, 1518, 1517, 1515, 1514, 1513, 1512, 1511, 1510, 1509, 1508, 1507, 1506, 1504, 1502, 1501, 1498, 1496, 1495, 1492, 1491, 1490, 1489, 1488, 1487, 1486, 1485, 1484, 1483, 1481, 1480, 1479, 1476, 1473, 1472, 1471, 1469, 1468, 1467, 1466, 1465, 1464, 1461, 1459, 1458, 1457, 1456, 1455, 1454, 1453, 1452, 1451, 1448, 1447, 1446, 1445, 1444, 1443, 1442, 1441, 1440, 1439, 1438, 1437, 1436, 1433, 1432, 1431, 1430, 1429, 1426, 1425, 1424, 1423, 1422, 1421, 1418, 1417, 1416, 1414, 1413, 1412, 1411, 1409, 1408, 1407, 1406, 1405, 1404, 1403, 1402, 1401, 1400, 1396, 1394, 1393, 1391, 1390, 1387, 1386, 1385, 1383, 1382, 1381, 1376, 1375, 1374, 1373, 1368, 1367, 1366, 1365, 1364, 1362, 1360, 1358, 1357, 1356, 1355, 1354, 1350, 1349, 1348, 1346, 1345, 1342, 1340, 1339, 1338, 1336, 1335, 1334, 1333, 1329, 1328, 1327, 1326, 1325, 1323, 1322, 1321, 1318, 1317, 1316, 1315, 1313, 1312, 1311, 1309, 1307, 1306, 1305, 1304, 1303, 1302, 1301, 1300, 1299, 1298, 1297, 1296, 1295, 1294, 1293, 1291, 1289, 1288, 1287, 1285, 1284, 1283, 1282, 1281, 1280, 1279, 1278, 1275, 1273, 1272, 1271, 1270, 1268, 1266, 1265, 1264, 1263, 1262, 1261, 1260, 1259, 1258, 1256, 1255, 1254, 1250, 1249, 1248, 1246, 1245, 1244, 1243, 1242, 1241, 1240, 1237, 1236, 1235, 1234, 1233, 1232, 1231, 1227, 1224, 1223, 1221, 1220, 1218, 1217, 1216, 1215, 1214, 1212, 1211, 1210, 1209, 1208, 1206, 1205, 1204, 1203, 1201, 1200, 1197, 1196, 1195, 1194, 1193, 1192, 1191, 1190, 1189, 1188, 1187, 1186, 1185, 1182, 1178, 1177, 1176, 1175, 1174, 1173, 1172, 1170, 1169, 1167, 1166, 1164, 1163, 1161, 1160, 1153, 1152, 1151, 1150, 1149, 1148, 1147, 1146, 1144, 1143, 1142, 1141, 1135, 1132, 1131, 1130, 1129, 1128, 1124, 1123, 1122, 1121, 1120, 1119, 1118, 1117, 1115, 1114, 1113, 1111, 1110, 1109, 1107, 1106, 1104, 1103, 1101, 1100, 1098, 1097, 1096, 1095, 1094, 1092, 1091, 1090, 1088, 1087, 1086, 1085, 1084, 1083, 1082, 1081, 1080, 1079, 1078, 1077, 1075, 1071, 1070, 1069, 1068, 1067, 1066, 1065, 1063, 1060, 1059, 1058, 1056, 1053, 1052, 1051, 1050, 1049, 1048, 1047, 1045, 1044, 1043, 1042, 1041, 1040, 1039, 1037, 1036, 1035, 1034, 1033, 1032, 1031, 1030, 1029, 1028, 1027, 1026, 1025, 1024, 1022, 1021, 1020, 1019, 1018, 1015, 1014, 1013, 1011, 1010, 1009, 1008, 1007, 1006, 1005, 1004, 1002, 1001, 998, 997, 996, 994, 992, 991, 990, 989, 986, 984, 983, 980, 979, 977, 976, 975, 973, 972, 971, 970, 967, 966, 965, 961, 960, 959, 958, 957, 956, 955, 953, 951, 950, 949, 948, 947]
Starting structural reductions, iteration 1 : 421/632 places, 1307/2430 transitions.
Applied a total of 0 rules in 38 ms. Remains 421 /421 variables (removed 0) and now considering 1307/1307 (removed 0) transitions.
Finished structural reductions, in 2 iterations. Remains : 421/632 places, 1307/2430 transitions.
[2021-05-17 21:46:55] [INFO ] Flatten gal took : 224 ms
[2021-05-17 21:46:55] [INFO ] Flatten gal took : 82 ms
[2021-05-17 21:46:55] [INFO ] Time to serialize gal into /tmp/ReachabilityCardinality12125531020343570671.gal : 30 ms
[2021-05-17 21:46:55] [INFO ] Time to serialize properties into /tmp/ReachabilityCardinality9043886901319017005.prop : 0 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/ReachabilityCardinality12125531020343570671.gal, -t, CGAL, -reachable-file, /tmp/ReachabilityCardinality9043886901319017005.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/ReachabilityCardinality12125531020343570671.gal -t CGAL -reachable-file /tmp/ReachabilityCardinality9043886901319017005.prop --nowitness --gen-order FOLLOW
Loading property file /tmp/ReachabilityCardinality9043886901319017005.prop.
SDD proceeding with computation,9 properties remain. new max is 4
SDD size :1 after 9
SDD proceeding with computation,9 properties remain. new max is 8
SDD size :9 after 14
SDD proceeding with computation,9 properties remain. new max is 16
SDD size :14 after 19
SDD proceeding with computation,9 properties remain. new max is 32
SDD size :19 after 44
SDD proceeding with computation,9 properties remain. new max is 64
SDD size :44 after 259
SDD proceeding with computation,9 properties remain. new max is 128
SDD size :259 after 329
SDD proceeding with computation,9 properties remain. new max is 256
SDD size :329 after 4997
SDD proceeding with computation,9 properties remain. new max is 512
SDD size :4997 after 119733
Detected timeout of ITS tools.
[2021-05-17 21:47:11] [INFO ] Flatten gal took : 64 ms
[2021-05-17 21:47:11] [INFO ] Applying decomposition
[2021-05-17 21:47:11] [INFO ] Flatten gal took : 61 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/graph1412447167147773370.txt, -o, /tmp/graph1412447167147773370.bin, -w, /tmp/graph1412447167147773370.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/graph1412447167147773370.bin, -l, -1, -v, -w, /tmp/graph1412447167147773370.weights, -q, 0, -e, 0.001], workingDir=null]
[2021-05-17 21:47:11] [INFO ] Decomposing Gal with order
[2021-05-17 21:47:11] [INFO ] Rewriting arrays to variables to allow decomposition.
[2021-05-17 21:47:12] [INFO ] Removed a total of 990 redundant transitions.
[2021-05-17 21:47:12] [INFO ] Flatten gal took : 384 ms
[2021-05-17 21:47:12] [INFO ] Fuse similar labels procedure discarded/fused a total of 396 labels/synchronizations in 70 ms.
[2021-05-17 21:47:12] [INFO ] Time to serialize gal into /tmp/ReachabilityCardinality8300540302604209577.gal : 15 ms
[2021-05-17 21:47:12] [INFO ] Time to serialize properties into /tmp/ReachabilityCardinality11250698483131475321.prop : 1 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/ReachabilityCardinality8300540302604209577.gal, -t, CGAL, -reachable-file, /tmp/ReachabilityCardinality11250698483131475321.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/ReachabilityCardinality8300540302604209577.gal -t CGAL -reachable-file /tmp/ReachabilityCardinality11250698483131475321.prop --nowitness
Loading property file /tmp/ReachabilityCardinality11250698483131475321.prop.
SDD proceeding with computation,9 properties remain. new max is 4
SDD size :1 after 65
SDD proceeding with computation,9 properties remain. new max is 8
SDD size :65 after 66
SDD proceeding with computation,9 properties remain. new max is 16
SDD size :66 after 68
SDD proceeding with computation,9 properties remain. new max is 32
SDD size :68 after 69
SDD proceeding with computation,9 properties remain. new max is 64
SDD size :69 after 73
SDD proceeding with computation,9 properties remain. new max is 128
SDD size :73 after 81
SDD proceeding with computation,9 properties remain. new max is 256
SDD size :81 after 95
SDD proceeding with computation,9 properties remain. new max is 512
SDD size :95 after 124
SDD proceeding with computation,9 properties remain. new max is 1024
SDD size :124 after 178
SDD proceeding with computation,9 properties remain. new max is 2048
SDD size :178 after 10863
Detected timeout of ITS tools.
Built C files in :
/tmp/ltsmin17032817722924569067
[2021-05-17 21:47:27] [INFO ] Built C files in 53ms conformant to PINS (ltsmin variant)in folder :/tmp/ltsmin17032817722924569067
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/ltsmin17032817722924569067]
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/ltsmin17032817722924569067] 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/ltsmin17032817722924569067] 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)
Finished random walk after 621835 steps, including 7223 resets, run visited all 9 properties in 4908 ms. (steps per millisecond=126 )
Able to resolve query StableMarking after proving 632 properties.
FORMULA StableMarking FALSE TECHNIQUES RANDOM_WALK BESTFIRST_WALK TOPOLOGICAL

BK_STOP 1621288053623

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

+ export BINDIR=/home/mcc/BenchKit/bin//../
+ BINDIR=/home/mcc/BenchKit/bin//../
++ pwd
+ export MODEL=/home/mcc/execution
+ MODEL=/home/mcc/execution
+ [[ StableMarking = StateSpace ]]
+ /home/mcc/BenchKit/bin//..//runeclipse.sh /home/mcc/execution StableMarking -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 StableMarking -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="PolyORBLF-PT-S06J04T06"
export BK_EXAMINATION="StableMarking"
export BK_TOOL="itstools"
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 itstools"
echo " Input is PolyORBLF-PT-S06J04T06, examination is StableMarking"
echo " Time confinement is $BK_TIME_CONFINEMENT seconds"
echo " Memory confinement is 16384 MBytes"
echo " Number of cores is 4"
echo " Run identifier is r166-oct2-162089278500203"
echo "====================================================================="
echo
echo "--------------------"
echo "preparation of the directory to be used:"

tar xzf /home/mcc/BenchKit/INPUTS/PolyORBLF-PT-S06J04T06.tgz
mv PolyORBLF-PT-S06J04T06 execution
cd execution
if [ "StableMarking" = "ReachabilityDeadlock" ] || [ "StableMarking" = "UpperBounds" ] || [ "StableMarking" = "QuasiLiveness" ] || [ "StableMarking" = "StableMarking" ] || [ "StableMarking" = "Liveness" ] || [ "StableMarking" = "OneSafe" ] || [ "StableMarking" = "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 [ "StableMarking" = "UpperBounds" ] ; then
echo "The expected result is a vector of positive values"
echo NUM_VECTOR
elif [ "StableMarking" != "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 "StableMarking.txt" ] ; then
echo "here is the order used to build the result vector(from text file)"
for x in $(grep Property StableMarking.txt | cut -d ' ' -f 2 | sort -u) ; do
echo "FORMULA_NAME $x"
done
elif [ -f "StableMarking.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 '' StableMarking.xml | cut -d '>' -f 2 | cut -d '<' -f 1 | sort -u) ; do
echo "FORMULA_NAME $x"
done
elif [ "StableMarking" = "ReachabilityDeadlock" ] || [ "StableMarking" = "QuasiLiveness" ] || [ "StableMarking" = "StableMarking" ] || [ "StableMarking" = "Liveness" ] || [ "StableMarking" = "OneSafe" ] ; then
echo "FORMULA_NAME StableMarking"
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 ;