Execution Chart

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

Trace from the execution

Formatting '/data/fkordon/mcc2024-input.r484-smll-171624275200067.qcow2', fmt=qcow2 size=4294967296 backing_file=/data/fkordon/mcc2024-input.qcow2 backing_fmt=qcow2 cluster_size=65536 lazy_refcounts=off refcount_bits=16
Waiting for the VM to be ready (probing ssh)
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=====================================================================
Generated by BenchKit 2-5568
Executing tool ltsminxred
Input is DLCflexbar-PT-6a, examination is LTLCardinality
Time confinement is 3600 seconds
Memory confinement is 16384 MBytes
Number of cores is 4
Run identifier is r484-smll-171624275200067
=====================================================================

--------------------
preparation of the directory to be used:
/home/mcc/execution
total 4.7M
-rw-r--r-- 1 mcc users 7.3K May 14 13:22 CTLCardinality.txt
-rw-r--r-- 1 mcc users 82K May 14 13:22 CTLCardinality.xml
-rw-r--r-- 1 mcc users 5.5K May 14 13:22 CTLFireability.txt
-rw-r--r-- 1 mcc users 50K May 14 13:22 CTLFireability.xml
-rw-r--r-- 1 mcc users 4.2K May 18 16:42 GenericPropertiesDefinition.xml
-rw-r--r-- 1 mcc users 6.4K May 18 16:42 GenericPropertiesVerdict.xml
-rw-r--r-- 1 mcc users 3.4K Apr 22 14:37 LTLCardinality.txt
-rw-r--r-- 1 mcc users 22K Apr 22 14:37 LTLCardinality.xml
-rw-r--r-- 1 mcc users 2.3K Apr 22 14:37 LTLFireability.txt
-rw-r--r-- 1 mcc users 18K Apr 22 14:37 LTLFireability.xml
-rw-r--r-- 1 mcc users 12K Apr 13 02:46 ReachabilityCardinality.txt
-rw-r--r-- 1 mcc users 134K Apr 13 02:46 ReachabilityCardinality.xml
-rw-r--r-- 1 mcc users 11K Apr 12 22:26 ReachabilityFireability.txt
-rw-r--r-- 1 mcc users 91K Apr 12 22:26 ReachabilityFireability.xml
-rw-r--r-- 1 mcc users 1.6K Apr 22 14:37 UpperBounds.txt
-rw-r--r-- 1 mcc users 3.6K Apr 22 14:37 UpperBounds.xml
-rw-r--r-- 1 mcc users 6 May 18 16:42 equiv_col
-rw-r--r-- 1 mcc users 3 May 18 16:42 instance
-rw-r--r-- 1 mcc users 6 May 18 16:42 iscolored
-rw-r--r-- 1 mcc users 4.2M May 18 16:42 model.pnml

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

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

The expected result is a vector of booleans
BOOL_VECTOR

here is the order used to build the result vector(from text file)
FORMULA_NAME DLCflexbar-PT-6a-LTLCardinality-00
FORMULA_NAME DLCflexbar-PT-6a-LTLCardinality-01
FORMULA_NAME DLCflexbar-PT-6a-LTLCardinality-02
FORMULA_NAME DLCflexbar-PT-6a-LTLCardinality-03
FORMULA_NAME DLCflexbar-PT-6a-LTLCardinality-04
FORMULA_NAME DLCflexbar-PT-6a-LTLCardinality-05
FORMULA_NAME DLCflexbar-PT-6a-LTLCardinality-06
FORMULA_NAME DLCflexbar-PT-6a-LTLCardinality-07
FORMULA_NAME DLCflexbar-PT-6a-LTLCardinality-08
FORMULA_NAME DLCflexbar-PT-6a-LTLCardinality-09
FORMULA_NAME DLCflexbar-PT-6a-LTLCardinality-10
FORMULA_NAME DLCflexbar-PT-6a-LTLCardinality-11
FORMULA_NAME DLCflexbar-PT-6a-LTLCardinality-12
FORMULA_NAME DLCflexbar-PT-6a-LTLCardinality-13
FORMULA_NAME DLCflexbar-PT-6a-LTLCardinality-14
FORMULA_NAME DLCflexbar-PT-6a-LTLCardinality-15

=== Now, execution of the tool begins

BK_START 1717202871450

Invoking MCC driver with
BK_TOOL=ltsminxred
BK_EXAMINATION=LTLCardinality
BK_BIN_PATH=/home/mcc/BenchKit/bin/
BK_TIME_CONFINEMENT=3600
BK_INPUT=DLCflexbar-PT-6a
BK_MEMORY_CONFINEMENT=16384
Applying reductions before tool ltsmin
Invoking reducer
Running Version 202405141337
[2024-06-01 00:47:54] [INFO ] Running its-tools with arguments : [-pnfolder, /home/mcc/execution, -examination, LTLCardinality, -timeout, 360, -rebuildPNML]
[2024-06-01 00:47:54] [INFO ] Parsing pnml file : /home/mcc/execution/model.pnml
[2024-06-01 00:47:56] [INFO ] Load time of PNML (sax parser for PT used): 1216 ms
[2024-06-01 00:47:56] [INFO ] Transformed 2069 places.
[2024-06-01 00:47:56] [INFO ] Transformed 16077 transitions.
[2024-06-01 00:47:56] [INFO ] Found NUPN structural information;
[2024-06-01 00:47:56] [INFO ] Parsed PT model containing 2069 places and 16077 transitions and 63325 arcs in 1587 ms.
Parsed 16 properties from file /home/mcc/execution/LTLCardinality.xml in 20 ms.
Working with output stream class java.io.PrintStream
Initial state reduction rules removed 1 formulas.
Ensure Unique test removed 1760 transitions
Reduce redundant transitions removed 1760 transitions.
FORMULA DLCflexbar-PT-6a-LTLCardinality-06 TRUE TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA DLCflexbar-PT-6a-LTLCardinality-10 TRUE TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA DLCflexbar-PT-6a-LTLCardinality-13 TRUE TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA DLCflexbar-PT-6a-LTLCardinality-03 FALSE TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA DLCflexbar-PT-6a-LTLCardinality-09 TRUE TECHNIQUES TOPOLOGICAL INITIAL_STATE
Support contains 33 out of 2069 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 2069/2069 places, 14317/14317 transitions.
Discarding 182 places :
Symmetric choice reduction at 0 with 182 rule applications. Total rules 182 place count 1887 transition count 11419
Iterating global reduction 0 with 182 rules applied. Total rules applied 364 place count 1887 transition count 11419
Ensure Unique test removed 84 transitions
Reduce isomorphic transitions removed 84 transitions.
Iterating post reduction 0 with 84 rules applied. Total rules applied 448 place count 1887 transition count 11335
Drop transitions (Redundant composition of simpler transitions.) removed 3619 transitions
Redundant transition composition rules discarded 3619 transitions
Iterating global reduction 1 with 3619 rules applied. Total rules applied 4067 place count 1887 transition count 7716
Applied a total of 4067 rules in 2226 ms. Remains 1887 /2069 variables (removed 182) and now considering 7716/14317 (removed 6601) transitions.
[2024-06-01 00:47:59] [INFO ] Flow matrix only has 704 transitions (discarded 7012 similar events)
// Phase 1: matrix 704 rows 1887 cols
[2024-06-01 00:47:59] [INFO ] Computed 1492 invariants in 39 ms
[2024-06-01 00:48:26] [INFO ] Implicit Places using invariants in 26888 ms returned [487, 488, 489, 490, 491, 492, 493, 494, 495, 496, 497, 498, 499, 500, 501, 502, 503, 504, 505, 506, 507, 508, 509, 510, 511, 512, 513, 514, 515, 516, 517, 518, 519, 520, 521, 522, 523, 524, 525, 526, 527, 528, 529, 530, 531, 532, 533, 534, 535, 536, 537, 538, 539, 540, 541, 543, 544, 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, 585, 586, 587, 588, 589, 590, 591, 592, 593, 594, 595, 596, 597, 598, 599, 600, 601, 602, 603, 604, 605, 606, 607, 608, 609, 610, 611, 612, 613, 614, 615, 616, 617, 618, 619, 620, 621, 622, 623, 624, 625, 626, 627, 628, 629, 631, 632, 633, 634, 635, 636, 637, 638, 639, 640, 641, 642, 643, 644, 645, 646, 647, 648, 649, 650, 651, 652, 653, 654, 655, 656, 657, 658, 659, 660, 661, 662, 663, 664, 665, 666, 667, 668, 669, 670, 671, 672, 673, 674, 675, 676, 678, 679, 680, 681, 682, 683, 684, 685, 686, 687, 688, 689, 690, 691, 692, 693, 694, 695, 696, 697, 698, 700, 701, 702, 703, 704, 705, 706, 707, 708, 709, 710, 711, 712, 713, 714, 715, 716, 717, 718, 719, 720, 721, 722, 723, 724, 725, 726, 727, 728, 729, 730, 731, 732, 733, 734, 735, 736, 737, 738, 739, 740, 741, 742, 743, 744, 745, 746, 747, 748, 749, 750, 751, 752, 753, 754, 756, 757, 758, 759, 760, 761, 762, 763, 764, 765, 766, 767, 768, 769, 770, 771, 772, 773, 774, 775, 776, 777, 778, 779, 780, 781, 782, 783, 784, 785, 786, 787, 788, 789, 790, 791, 792, 793, 794, 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, 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, 870, 871, 872, 873, 874, 875, 876, 877, 878, 879, 880, 881, 882, 883, 884, 885, 886, 888, 889, 890, 891, 892, 893, 894, 895, 896, 897, 898, 899, 900, 901, 902, 903, 904, 905, 906, 907, 908, 909, 910, 911, 912, 913, 914, 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, 962, 963, 964, 965, 966, 967, 968, 969, 970, 971, 972, 973, 974, 975, 976, 977, 978, 979, 980, 981, 982, 983, 984, 985, 986, 988, 989, 990, 991, 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, 1017, 1018, 1019, 1020, 1021, 1022, 1023, 1024, 1025, 1026, 1027, 1028, 1029, 1030, 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, 1090, 1091, 1092, 1093, 1094, 1095, 1096, 1097, 1098, 1099, 1100, 1101, 1102, 1103, 1104, 1105, 1106, 1107, 1108, 1109, 1110, 1111, 1112, 1113, 1114, 1115, 1116, 1117, 1118, 1119, 1120, 1121, 1122, 1123, 1124, 1125, 1126, 1127, 1128, 1129, 1130, 1131, 1132, 1133, 1134, 1135, 1136, 1137, 1138, 1140, 1141, 1142, 1143, 1144, 1145, 1146, 1147, 1148, 1149, 1150, 1151, 1152, 1153, 1154, 1155, 1156, 1157, 1158, 1159, 1160, 1161, 1162, 1163, 1164, 1165, 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, 1194, 1195, 1196, 1197, 1198, 1199, 1200, 1201, 1202, 1203, 1204, 1205, 1206, 1207, 1208, 1209, 1210, 1211, 1212, 1213, 1214, 1215, 1216, 1217, 1218, 1219, 1220, 1221, 1222, 1223, 1224, 1225, 1226, 1227, 1228, 1229, 1230, 1231, 1232, 1233, 1234, 1235, 1236, 1237, 1238, 1239, 1240, 1241, 1242, 1243, 1244, 1245, 1246, 1247, 1248, 1249, 1250, 1251, 1252, 1253, 1254, 1255, 1256, 1257, 1258, 1259, 1260, 1261, 1262, 1263, 1264, 1265, 1266, 1267, 1268, 1269, 1270, 1271, 1272, 1273, 1274, 1275, 1276, 1277, 1278, 1279, 1280, 1281, 1282, 1283, 1284, 1285, 1286, 1287, 1288, 1289, 1290, 1291, 1292, 1293, 1294, 1295, 1296, 1297, 1298, 1299, 1300, 1301, 1302, 1303, 1304, 1305, 1306, 1307, 1308, 1309, 1310, 1311, 1312, 1313, 1314, 1315, 1316, 1317, 1318, 1319, 1320, 1321, 1322, 1323, 1324, 1325, 1326, 1327, 1328, 1329, 1330, 1331, 1332, 1333, 1334, 1335, 1336, 1337, 1338, 1339, 1340, 1341, 1342, 1343, 1344, 1345, 1346, 1347, 1348, 1349, 1350, 1351, 1352, 1353, 1354, 1355, 1356, 1357, 1358, 1359, 1360, 1361, 1362, 1363, 1364, 1365, 1366, 1367, 1368, 1369, 1370, 1371, 1372, 1373, 1374, 1375, 1377, 1378, 1379, 1380, 1381, 1382, 1383, 1384, 1385, 1386, 1387, 1388, 1389, 1390, 1391, 1392, 1393, 1394, 1395, 1396, 1397, 1398, 1399, 1400, 1401, 1402, 1403, 1404, 1405, 1406, 1407, 1408, 1409, 1410, 1411, 1412, 1413, 1414, 1415, 1416, 1417, 1418, 1419, 1420, 1421, 1422, 1423, 1424, 1425, 1426, 1427, 1428, 1429, 1430, 1431, 1432, 1433, 1434, 1435, 1436, 1437, 1438, 1439, 1440, 1441, 1443, 1444, 1445, 1446, 1447, 1448, 1449, 1450, 1451, 1452, 1453, 1454, 1455, 1456, 1457, 1458, 1459, 1460, 1461, 1462, 1463, 1464, 1466, 1467, 1468, 1469, 1470, 1471, 1472, 1473, 1474, 1475, 1476, 1477, 1478, 1479, 1480, 1481, 1482, 1483, 1484, 1485, 1486, 1487, 1488, 1489, 1490, 1491, 1492, 1494, 1495, 1496, 1497, 1498, 1499, 1500, 1501, 1502, 1503, 1504, 1505, 1506, 1507, 1508, 1509, 1510, 1511, 1512, 1513, 1514, 1515, 1516, 1517, 1518, 1519, 1520, 1521, 1522, 1523, 1524, 1525, 1526, 1527, 1528, 1529, 1530, 1531, 1532, 1533, 1534, 1535, 1536, 1537, 1538, 1539, 1540, 1541, 1542, 1543, 1544, 1545, 1546, 1547, 1548, 1549, 1550, 1551, 1552, 1553, 1554, 1555, 1556, 1557, 1558, 1559, 1560, 1561, 1562, 1563, 1564, 1565, 1566, 1567, 1568, 1569, 1570, 1571, 1572, 1573, 1574, 1575, 1576, 1577, 1579, 1580, 1581, 1582, 1583, 1584, 1585, 1586, 1587, 1588, 1589, 1590, 1591, 1592, 1593, 1594, 1595, 1596, 1597, 1598, 1599, 1600, 1601, 1602, 1603, 1604, 1605, 1606, 1607, 1608, 1609, 1610, 1612, 1613, 1614, 1615, 1616, 1617, 1618, 1619, 1620, 1621, 1622, 1623, 1624, 1625, 1626, 1627, 1628, 1630, 1631, 1632, 1633, 1634, 1635, 1636, 1637, 1638, 1639, 1640, 1641, 1642, 1643, 1644, 1645, 1646, 1647, 1648, 1649, 1650, 1651, 1652, 1653, 1654, 1655, 1656, 1657, 1658, 1659, 1660, 1661, 1662, 1663, 1664, 1665, 1666, 1667, 1668, 1669, 1670, 1671, 1672, 1673, 1674, 1675, 1677, 1678, 1679, 1680, 1681, 1682, 1683, 1684, 1685, 1686, 1687, 1688, 1689, 1690, 1691, 1692, 1693, 1694, 1695, 1696, 1697, 1698, 1699, 1700, 1701, 1702, 1703, 1704, 1705, 1706, 1707, 1708, 1709, 1710, 1711, 1712, 1713, 1714, 1715, 1716, 1717, 1718, 1720, 1721, 1722, 1723, 1724, 1725, 1726, 1727, 1728, 1729, 1730, 1731, 1732, 1733, 1734, 1735, 1736, 1737, 1738, 1739, 1740, 1741, 1742, 1743, 1744, 1745, 1746, 1747, 1748, 1749, 1750, 1751, 1752, 1753, 1754, 1755, 1756, 1757, 1758, 1759, 1760, 1761, 1762, 1763, 1764, 1765, 1766, 1767, 1768, 1769, 1770, 1771, 1772, 1773, 1774, 1775, 1776, 1777, 1778, 1779, 1780, 1781, 1782, 1783, 1784, 1785, 1786, 1787, 1788, 1789, 1790, 1791, 1792, 1793, 1794, 1795, 1796, 1798, 1799, 1800, 1801, 1802, 1803, 1804, 1805, 1806, 1807, 1808, 1809, 1810, 1811, 1812, 1813, 1814, 1815, 1816, 1817, 1818, 1819, 1820, 1821, 1822, 1823, 1824, 1825, 1826, 1827, 1828, 1829, 1830, 1831, 1832, 1833, 1834, 1835, 1836, 1837, 1838, 1839, 1841, 1842, 1843, 1844, 1845, 1846, 1847, 1848, 1849, 1850, 1851, 1852, 1853, 1854, 1855, 1856, 1857, 1858, 1859, 1860, 1861, 1862, 1863, 1864, 1865, 1866, 1867, 1868, 1869, 1870, 1871, 1872, 1873, 1874, 1875, 1876, 1877, 1878, 1879, 1880, 1881, 1882, 1883, 1885, 1886]
Discarding 1376 places :
Ensure Unique test removed 6703 transitions
Reduce isomorphic transitions removed 6703 transitions.
Implicit Place search using SMT only with invariants took 27013 ms to find 1376 implicit places.
Starting structural reductions in LTL mode, iteration 1 : 511/2069 places, 1013/14317 transitions.
Drop transitions (Redundant composition of simpler transitions.) removed 108 transitions
Redundant transition composition rules discarded 108 transitions
Iterating global reduction 0 with 108 rules applied. Total rules applied 108 place count 511 transition count 905
Applied a total of 108 rules in 39 ms. Remains 511 /511 variables (removed 0) and now considering 905/1013 (removed 108) transitions.
[2024-06-01 00:48:26] [INFO ] Flow matrix only has 704 transitions (discarded 201 similar events)
// Phase 1: matrix 704 rows 511 cols
[2024-06-01 00:48:26] [INFO ] Computed 116 invariants in 4 ms
[2024-06-01 00:48:26] [INFO ] Implicit Places using invariants in 203 ms returned []
[2024-06-01 00:48:26] [INFO ] Flow matrix only has 704 transitions (discarded 201 similar events)
[2024-06-01 00:48:26] [INFO ] Invariant cache hit.
[2024-06-01 00:48:26] [INFO ] State equation strengthened by 1 read => feed constraints.
[2024-06-01 00:48:26] [INFO ] Implicit Places using invariants and state equation in 643 ms returned []
Implicit Place search using SMT with State Equation took 850 ms to find 0 implicit places.
Starting structural reductions in LTL mode, iteration 2 : 511/2069 places, 905/14317 transitions.
Finished structural reductions in LTL mode , in 2 iterations and 30164 ms. Remains : 511/2069 places, 905/14317 transitions.
Support contains 33 out of 511 places after structural reductions.
[2024-06-01 00:48:27] [INFO ] Flatten gal took : 168 ms
[2024-06-01 00:48:27] [INFO ] Flatten gal took : 79 ms
[2024-06-01 00:48:27] [INFO ] Input system was already deterministic with 905 transitions.
Support contains 31 out of 511 places (down from 33) after GAL structural reductions.
RANDOM walk for 40000 steps (8 resets) in 4295 ms. (9 steps per ms) remains 8/19 properties
BEST_FIRST walk for 40004 steps (8 resets) in 228 ms. (174 steps per ms) remains 8/8 properties
BEST_FIRST walk for 40004 steps (8 resets) in 156 ms. (254 steps per ms) remains 8/8 properties
BEST_FIRST walk for 40004 steps (8 resets) in 150 ms. (264 steps per ms) remains 8/8 properties
BEST_FIRST walk for 40004 steps (8 resets) in 185 ms. (215 steps per ms) remains 8/8 properties
BEST_FIRST walk for 40004 steps (8 resets) in 172 ms. (231 steps per ms) remains 8/8 properties
BEST_FIRST walk for 40004 steps (8 resets) in 202 ms. (197 steps per ms) remains 8/8 properties
BEST_FIRST walk for 40004 steps (8 resets) in 218 ms. (182 steps per ms) remains 8/8 properties
BEST_FIRST walk for 40004 steps (8 resets) in 175 ms. (227 steps per ms) remains 8/8 properties
[2024-06-01 00:48:30] [INFO ] Flow matrix only has 704 transitions (discarded 201 similar events)
[2024-06-01 00:48:30] [INFO ] Invariant cache hit.
[2024-06-01 00:48:30] [INFO ] State equation strengthened by 1 read => feed constraints.
All remaining problems are real, not stopping.
At refinement iteration 0 (INCLUDED_ONLY) 0/13 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 8 unsolved
Problem AtomicPropp16 is UNSAT
At refinement iteration 1 (OVERLAPS) 10/23 variables, 13/13 constraints. Problems are: Problem set: 1 solved, 7 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/23 variables, 0/13 constraints. Problems are: Problem set: 1 solved, 7 unsolved
At refinement iteration 3 (OVERLAPS) 488/511 variables, 103/116 constraints. Problems are: Problem set: 1 solved, 7 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/511 variables, 0/116 constraints. Problems are: Problem set: 1 solved, 7 unsolved
At refinement iteration 5 (OVERLAPS) 703/1214 variables, 511/627 constraints. Problems are: Problem set: 1 solved, 7 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/1214 variables, 0/627 constraints. Problems are: Problem set: 1 solved, 7 unsolved
At refinement iteration 7 (OVERLAPS) 1/1215 variables, 1/628 constraints. Problems are: Problem set: 1 solved, 7 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/1215 variables, 0/628 constraints. Problems are: Problem set: 1 solved, 7 unsolved
At refinement iteration 9 (OVERLAPS) 0/1215 variables, 0/628 constraints. Problems are: Problem set: 1 solved, 7 unsolved
No progress, stopping.
After SMT solving in domain Real declared 1215/1215 variables, and 628 constraints, problems are : Problem set: 1 solved, 7 unsolved in 1575 ms.
Refiners :[Positive P Invariants (semi-flows): 116/116 constraints, State Equation: 511/511 constraints, ReadFeed: 1/1 constraints, PredecessorRefiner: 8/8 constraints, Known Traps: 0/0 constraints]
Escalating to Integer solving :Problem set: 1 solved, 7 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/13 variables, 0/0 constraints. Problems are: Problem set: 1 solved, 7 unsolved
Problem AtomicPropp0 is UNSAT
Problem AtomicPropp1 is UNSAT
Problem AtomicPropp4 is UNSAT
Problem AtomicPropp6 is UNSAT
Problem AtomicPropp11 is UNSAT
Problem AtomicPropp12 is UNSAT
Problem AtomicPropp14 is UNSAT
After SMT solving in domain Int declared 23/1215 variables, and 13 constraints, problems are : Problem set: 8 solved, 0 unsolved in 59 ms.
Refiners :[Positive P Invariants (semi-flows): 13/116 constraints, State Equation: 0/511 constraints, ReadFeed: 0/1 constraints, PredecessorRefiner: 0/8 constraints, Known Traps: 0/0 constraints]
After SMT, in 1703ms problems are : Problem set: 8 solved, 0 unsolved
Skipping Parikh replay, no witness traces provided.
Successfully simplified 8 atomic propositions for a total of 11 simplifications.
FORMULA DLCflexbar-PT-6a-LTLCardinality-04 TRUE TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA DLCflexbar-PT-6a-LTLCardinality-08 TRUE TECHNIQUES TOPOLOGICAL INITIAL_STATE
Computed a total of 25 stabilizing places and 1 stable transitions
Graph (complete) has 1020 edges and 511 vertex of which 487 are kept as prefixes of interest. Removing 24 places using SCC suffix rule.9 ms
FORMULA DLCflexbar-PT-6a-LTLCardinality-00 TRUE TECHNIQUES TOPOLOGICAL INITIAL_STATE
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202405141337/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!(X((p0&&X(X((X(p0)||F(p1)))))))'
Support contains 4 out of 511 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 511/511 places, 905/905 transitions.
Reduce places removed 22 places and 0 transitions.
Iterating post reduction 0 with 22 rules applied. Total rules applied 22 place count 489 transition count 905
Discarding 2 places :
Symmetric choice reduction at 1 with 2 rule applications. Total rules 24 place count 487 transition count 901
Iterating global reduction 1 with 2 rules applied. Total rules applied 26 place count 487 transition count 901
Applied a total of 26 rules in 43 ms. Remains 487 /511 variables (removed 24) and now considering 901/905 (removed 4) transitions.
[2024-06-01 00:48:32] [INFO ] Flow matrix only has 702 transitions (discarded 199 similar events)
// Phase 1: matrix 702 rows 487 cols
[2024-06-01 00:48:32] [INFO ] Computed 94 invariants in 5 ms
[2024-06-01 00:48:32] [INFO ] Implicit Places using invariants in 182 ms returned []
[2024-06-01 00:48:32] [INFO ] Flow matrix only has 702 transitions (discarded 199 similar events)
[2024-06-01 00:48:32] [INFO ] Invariant cache hit.
[2024-06-01 00:48:33] [INFO ] State equation strengthened by 1 read => feed constraints.
[2024-06-01 00:48:33] [INFO ] Implicit Places using invariants and state equation in 544 ms returned []
Implicit Place search using SMT with State Equation took 734 ms to find 0 implicit places.
Running 900 sub problems to find dead transitions.
[2024-06-01 00:48:33] [INFO ] Flow matrix only has 702 transitions (discarded 199 similar events)
[2024-06-01 00:48:33] [INFO ] Invariant cache hit.
[2024-06-01 00:48:33] [INFO ] State equation strengthened by 1 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/484 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 900 unsolved
At refinement iteration 1 (OVERLAPS) 1/485 variables, 92/92 constraints. Problems are: Problem set: 0 solved, 900 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Real declared 485/1189 variables, and 92 constraints, problems are : Problem set: 0 solved, 900 unsolved in 30076 ms.
Refiners :[Positive P Invariants (semi-flows): 92/94 constraints, State Equation: 0/487 constraints, ReadFeed: 0/1 constraints, PredecessorRefiner: 900/900 constraints, Known Traps: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 900 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/484 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 900 unsolved
At refinement iteration 1 (OVERLAPS) 1/485 variables, 92/92 constraints. Problems are: Problem set: 0 solved, 900 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/485 variables, 0/92 constraints. Problems are: Problem set: 0 solved, 900 unsolved
At refinement iteration 3 (OVERLAPS) 2/487 variables, 2/94 constraints. Problems are: Problem set: 0 solved, 900 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 487/1189 variables, and 94 constraints, problems are : Problem set: 0 solved, 900 unsolved in 30039 ms.
Refiners :[Positive P Invariants (semi-flows): 94/94 constraints, State Equation: 0/487 constraints, ReadFeed: 0/1 constraints, PredecessorRefiner: 0/900 constraints, Known Traps: 0/0 constraints]
After SMT, in 60529ms problems are : Problem set: 0 solved, 900 unsolved
Search for dead transitions found 0 dead transitions in 60561ms
Starting structural reductions in LTL mode, iteration 1 : 487/511 places, 901/905 transitions.
Finished structural reductions in LTL mode , in 1 iterations and 61356 ms. Remains : 487/511 places, 901/905 transitions.
Stuttering acceptance computed with spot in 600 ms :[(AND (NOT p1) (NOT p0)), (AND (NOT p0) (NOT p1)), (AND (NOT p0) (NOT p1)), (NOT p1), (NOT p0), (NOT p0), true]
Running random walk in product with property : DLCflexbar-PT-6a-LTLCardinality-01
Entered a terminal (fully accepting) state of product in 1 steps with 0 reset in 2 ms.
FORMULA DLCflexbar-PT-6a-LTLCardinality-01 FALSE TECHNIQUES STUTTER_TEST
Treatment of property DLCflexbar-PT-6a-LTLCardinality-01 finished in 62058 ms.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202405141337/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!(F(p0))'
Support contains 1 out of 511 places. Attempting structural reductions.
Starting structural reductions in SI_LTL mode, iteration 0 : 511/511 places, 905/905 transitions.
Graph (trivial) has 904 edges and 511 vertex of which 486 / 511 are part of one of the 92 SCC in 7 ms
Free SCC test removed 394 places
Ensure Unique test removed 812 transitions
Reduce isomorphic transitions removed 812 transitions.
Graph (complete) has 208 edges and 117 vertex of which 94 are kept as prefixes of interest. Removing 23 places using SCC suffix rule.1 ms
Discarding 23 places :
Also discarding 0 output transitions
Discarding 91 places :
Symmetric choice reduction at 0 with 91 rule applications. Total rules 93 place count 3 transition count 2
Iterating global reduction 0 with 91 rules applied. Total rules applied 184 place count 3 transition count 2
Applied a total of 184 rules in 37 ms. Remains 3 /511 variables (removed 508) and now considering 2/905 (removed 903) transitions.
// Phase 1: matrix 2 rows 3 cols
[2024-06-01 00:49:34] [INFO ] Computed 2 invariants in 1 ms
[2024-06-01 00:49:34] [INFO ] Implicit Places using invariants in 57 ms returned []
[2024-06-01 00:49:34] [INFO ] Invariant cache hit.
[2024-06-01 00:49:34] [INFO ] State equation strengthened by 1 read => feed constraints.
[2024-06-01 00:49:34] [INFO ] Implicit Places using invariants and state equation in 28 ms returned []
Implicit Place search using SMT with State Equation took 91 ms to find 0 implicit places.
[2024-06-01 00:49:34] [INFO ] Redundant transitions in 0 ms returned []
Running 1 sub problems to find dead transitions.
[2024-06-01 00:49:34] [INFO ] Invariant cache hit.
[2024-06-01 00:49:34] [INFO ] State equation strengthened by 1 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/1 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 1 (OVERLAPS) 1/2 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/2 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (OVERLAPS) 1/3 variables, 1/2 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/3 variables, 0/2 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (OVERLAPS) 1/4 variables, 3/5 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/4 variables, 0/5 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (OVERLAPS) 1/5 variables, 1/6 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/5 variables, 0/6 constraints. Problems are: Problem set: 0 solved, 1 unsolved
All remaining problems are real, not stopping.
At refinement iteration 9 (OVERLAPS) 0/5 variables, 0/6 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Real declared 5/5 variables, and 6 constraints, problems are : Problem set: 0 solved, 1 unsolved in 44 ms.
Refiners :[Positive P Invariants (semi-flows): 2/2 constraints, State Equation: 3/3 constraints, ReadFeed: 1/1 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 1 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/1 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 1 (OVERLAPS) 1/2 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/2 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (OVERLAPS) 1/3 variables, 1/2 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/3 variables, 0/2 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (OVERLAPS) 1/4 variables, 3/5 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/4 variables, 1/6 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/4 variables, 0/6 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (OVERLAPS) 1/5 variables, 1/7 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/5 variables, 0/7 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (OVERLAPS) 0/5 variables, 0/7 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Int declared 5/5 variables, and 7 constraints, problems are : Problem set: 0 solved, 1 unsolved in 42 ms.
Refiners :[Positive P Invariants (semi-flows): 2/2 constraints, State Equation: 3/3 constraints, ReadFeed: 1/1 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 0/0 constraints]
After SMT, in 91ms problems are : Problem set: 0 solved, 1 unsolved
Search for dead transitions found 0 dead transitions in 91ms
Starting structural reductions in SI_LTL mode, iteration 1 : 3/511 places, 2/905 transitions.
Finished structural reductions in SI_LTL mode , in 1 iterations and 227 ms. Remains : 3/511 places, 2/905 transitions.
Stuttering acceptance computed with spot in 49 ms :[(NOT p0)]
Running random walk in product with property : DLCflexbar-PT-6a-LTLCardinality-02
Product exploration explored 100000 steps with 50000 reset in 524 ms.
Product exploration explored 100000 steps with 50000 reset in 259 ms.
Computed a total of 3 stabilizing places and 1 stable transitions
Graph (complete) has 3 edges and 3 vertex of which 2 are kept as prefixes of interest. Removing 1 places using SCC suffix rule.14 ms
Computed a total of 3 stabilizing places and 1 stable transitions
Detected a total of 3/3 stabilizing places and 1/2 transitions leading to convergence knowledge of the form 'F(Gp|G!p)' for 1/1 atomic propositions.
Knowledge obtained : [(NOT p0), (X p0), (X (X p0)), (F (OR (G p0) (G (NOT p0))))]
False Knowledge obtained : []
Property proved to be true thanks to knowledge (Minato strategy)
Knowledge based reduction with 4 factoid took 204 ms. Reduced automaton from 1 states, 1 edges and 1 AP (stutter insensitive) to 1 states, 0 edges and 0 AP (stutter insensitive).
FORMULA DLCflexbar-PT-6a-LTLCardinality-02 TRUE TECHNIQUES KNOWLEDGE
Treatment of property DLCflexbar-PT-6a-LTLCardinality-02 finished in 1318 ms.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202405141337/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!(F(G(p0)))'
Support contains 2 out of 511 places. Attempting structural reductions.
Starting structural reductions in SI_LTL mode, iteration 0 : 511/511 places, 905/905 transitions.
Graph (trivial) has 902 edges and 511 vertex of which 485 / 511 are part of one of the 92 SCC in 3 ms
Free SCC test removed 393 places
Ensure Unique test removed 810 transitions
Reduce isomorphic transitions removed 810 transitions.
Graph (complete) has 210 edges and 118 vertex of which 95 are kept as prefixes of interest. Removing 23 places using SCC suffix rule.2 ms
Discarding 23 places :
Also discarding 0 output transitions
Discarding 90 places :
Symmetric choice reduction at 0 with 90 rule applications. Total rules 92 place count 5 transition count 5
Iterating global reduction 0 with 90 rules applied. Total rules applied 182 place count 5 transition count 5
Applied a total of 182 rules in 12 ms. Remains 5 /511 variables (removed 506) and now considering 5/905 (removed 900) transitions.
[2024-06-01 00:49:35] [INFO ] Flow matrix only has 4 transitions (discarded 1 similar events)
// Phase 1: matrix 4 rows 5 cols
[2024-06-01 00:49:35] [INFO ] Computed 3 invariants in 1 ms
[2024-06-01 00:49:35] [INFO ] Implicit Places using invariants in 23 ms returned []
[2024-06-01 00:49:35] [INFO ] Flow matrix only has 4 transitions (discarded 1 similar events)
[2024-06-01 00:49:35] [INFO ] Invariant cache hit.
[2024-06-01 00:49:35] [INFO ] State equation strengthened by 1 read => feed constraints.
[2024-06-01 00:49:35] [INFO ] Implicit Places using invariants and state equation in 51 ms returned []
Implicit Place search using SMT with State Equation took 77 ms to find 0 implicit places.
[2024-06-01 00:49:35] [INFO ] Redundant transitions in 0 ms returned []
Running 4 sub problems to find dead transitions.
[2024-06-01 00:49:35] [INFO ] Flow matrix only has 4 transitions (discarded 1 similar events)
[2024-06-01 00:49:35] [INFO ] Invariant cache hit.
[2024-06-01 00:49:35] [INFO ] State equation strengthened by 1 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/3 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 1 (OVERLAPS) 1/4 variables, 2/2 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/4 variables, 0/2 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 3 (OVERLAPS) 1/5 variables, 1/3 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/5 variables, 0/3 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 5 (OVERLAPS) 3/8 variables, 5/8 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/8 variables, 0/8 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 7 (OVERLAPS) 1/9 variables, 1/9 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/9 variables, 0/9 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 9 (OVERLAPS) 0/9 variables, 0/9 constraints. Problems are: Problem set: 0 solved, 4 unsolved
No progress, stopping.
After SMT solving in domain Real declared 9/9 variables, and 9 constraints, problems are : Problem set: 0 solved, 4 unsolved in 105 ms.
Refiners :[Positive P Invariants (semi-flows): 3/3 constraints, State Equation: 5/5 constraints, ReadFeed: 1/1 constraints, PredecessorRefiner: 4/4 constraints, Known Traps: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 4 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/3 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 1 (OVERLAPS) 1/4 variables, 2/2 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/4 variables, 0/2 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 3 (OVERLAPS) 1/5 variables, 1/3 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/5 variables, 0/3 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 5 (OVERLAPS) 3/8 variables, 5/8 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/8 variables, 4/12 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/8 variables, 0/12 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 8 (OVERLAPS) 1/9 variables, 1/13 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/9 variables, 0/13 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 10 (OVERLAPS) 0/9 variables, 0/13 constraints. Problems are: Problem set: 0 solved, 4 unsolved
No progress, stopping.
After SMT solving in domain Int declared 9/9 variables, and 13 constraints, problems are : Problem set: 0 solved, 4 unsolved in 85 ms.
Refiners :[Positive P Invariants (semi-flows): 3/3 constraints, State Equation: 5/5 constraints, ReadFeed: 1/1 constraints, PredecessorRefiner: 4/4 constraints, Known Traps: 0/0 constraints]
After SMT, in 196ms problems are : Problem set: 0 solved, 4 unsolved
Search for dead transitions found 0 dead transitions in 196ms
Starting structural reductions in SI_LTL mode, iteration 1 : 5/511 places, 5/905 transitions.
Finished structural reductions in SI_LTL mode , in 1 iterations and 292 ms. Remains : 5/511 places, 5/905 transitions.
Stuttering acceptance computed with spot in 58 ms :[(NOT p0)]
Running random walk in product with property : DLCflexbar-PT-6a-LTLCardinality-05
Stuttering criterion allowed to conclude after 1 steps with 0 reset in 0 ms.
FORMULA DLCflexbar-PT-6a-LTLCardinality-05 FALSE TECHNIQUES STUTTER_TEST
Treatment of property DLCflexbar-PT-6a-LTLCardinality-05 finished in 372 ms.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202405141337/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!(X((G(p0) U (!p1&&G(p0)))))'
Support contains 4 out of 511 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 511/511 places, 905/905 transitions.
Reduce places removed 23 places and 0 transitions.
Iterating post reduction 0 with 23 rules applied. Total rules applied 23 place count 488 transition count 905
Discarding 1 places :
Symmetric choice reduction at 1 with 1 rule applications. Total rules 24 place count 487 transition count 903
Iterating global reduction 1 with 1 rules applied. Total rules applied 25 place count 487 transition count 903
Applied a total of 25 rules in 21 ms. Remains 487 /511 variables (removed 24) and now considering 903/905 (removed 2) transitions.
[2024-06-01 00:49:36] [INFO ] Flow matrix only has 703 transitions (discarded 200 similar events)
// Phase 1: matrix 703 rows 487 cols
[2024-06-01 00:49:36] [INFO ] Computed 93 invariants in 3 ms
[2024-06-01 00:49:36] [INFO ] Implicit Places using invariants in 469 ms returned []
[2024-06-01 00:49:36] [INFO ] Flow matrix only has 703 transitions (discarded 200 similar events)
[2024-06-01 00:49:36] [INFO ] Invariant cache hit.
[2024-06-01 00:49:36] [INFO ] State equation strengthened by 1 read => feed constraints.
[2024-06-01 00:49:36] [INFO ] Implicit Places using invariants and state equation in 446 ms returned []
Implicit Place search using SMT with State Equation took 920 ms to find 0 implicit places.
Running 902 sub problems to find dead transitions.
[2024-06-01 00:49:36] [INFO ] Flow matrix only has 703 transitions (discarded 200 similar events)
[2024-06-01 00:49:36] [INFO ] Invariant cache hit.
[2024-06-01 00:49:37] [INFO ] State equation strengthened by 1 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/485 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 902 unsolved
At refinement iteration 1 (OVERLAPS) 1/486 variables, 92/92 constraints. Problems are: Problem set: 0 solved, 902 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Real declared 486/1190 variables, and 92 constraints, problems are : Problem set: 0 solved, 902 unsolved in 30033 ms.
Refiners :[Positive P Invariants (semi-flows): 92/93 constraints, State Equation: 0/487 constraints, ReadFeed: 0/1 constraints, PredecessorRefiner: 902/902 constraints, Known Traps: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 902 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/485 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 902 unsolved
At refinement iteration 1 (OVERLAPS) 1/486 variables, 92/92 constraints. Problems are: Problem set: 0 solved, 902 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/486 variables, 0/92 constraints. Problems are: Problem set: 0 solved, 902 unsolved
At refinement iteration 3 (OVERLAPS) 1/487 variables, 1/93 constraints. Problems are: Problem set: 0 solved, 902 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 487/1190 variables, and 93 constraints, problems are : Problem set: 0 solved, 902 unsolved in 30034 ms.
Refiners :[Positive P Invariants (semi-flows): 93/93 constraints, State Equation: 0/487 constraints, ReadFeed: 0/1 constraints, PredecessorRefiner: 0/902 constraints, Known Traps: 0/0 constraints]
After SMT, in 60299ms problems are : Problem set: 0 solved, 902 unsolved
Search for dead transitions found 0 dead transitions in 60311ms
Starting structural reductions in LTL mode, iteration 1 : 487/511 places, 903/905 transitions.
Finished structural reductions in LTL mode , in 1 iterations and 61258 ms. Remains : 487/511 places, 903/905 transitions.
Stuttering acceptance computed with spot in 191 ms :[(NOT p0), (OR (NOT p0) p1), true, (OR (NOT p0) p1)]
Running random walk in product with property : DLCflexbar-PT-6a-LTLCardinality-07
Entered a terminal (fully accepting) state of product in 1 steps with 0 reset in 1 ms.
FORMULA DLCflexbar-PT-6a-LTLCardinality-07 FALSE TECHNIQUES STUTTER_TEST
Treatment of property DLCflexbar-PT-6a-LTLCardinality-07 finished in 61468 ms.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202405141337/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!(X(G(p0)))'
Support contains 1 out of 511 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 511/511 places, 905/905 transitions.
Reduce places removed 23 places and 0 transitions.
Iterating post reduction 0 with 23 rules applied. Total rules applied 23 place count 488 transition count 905
Discarding 2 places :
Symmetric choice reduction at 1 with 2 rule applications. Total rules 25 place count 486 transition count 901
Iterating global reduction 1 with 2 rules applied. Total rules applied 27 place count 486 transition count 901
Applied a total of 27 rules in 26 ms. Remains 486 /511 variables (removed 25) and now considering 901/905 (removed 4) transitions.
[2024-06-01 00:50:37] [INFO ] Flow matrix only has 702 transitions (discarded 199 similar events)
// Phase 1: matrix 702 rows 486 cols
[2024-06-01 00:50:37] [INFO ] Computed 93 invariants in 10 ms
[2024-06-01 00:50:37] [INFO ] Implicit Places using invariants in 200 ms returned []
[2024-06-01 00:50:37] [INFO ] Flow matrix only has 702 transitions (discarded 199 similar events)
[2024-06-01 00:50:37] [INFO ] Invariant cache hit.
[2024-06-01 00:50:38] [INFO ] State equation strengthened by 1 read => feed constraints.
[2024-06-01 00:50:38] [INFO ] Implicit Places using invariants and state equation in 606 ms returned []
Implicit Place search using SMT with State Equation took 809 ms to find 0 implicit places.
Running 900 sub problems to find dead transitions.
[2024-06-01 00:50:38] [INFO ] Flow matrix only has 702 transitions (discarded 199 similar events)
[2024-06-01 00:50:38] [INFO ] Invariant cache hit.
[2024-06-01 00:50:38] [INFO ] State equation strengthened by 1 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/484 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 900 unsolved
At refinement iteration 1 (OVERLAPS) 1/485 variables, 92/92 constraints. Problems are: Problem set: 0 solved, 900 unsolved
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(s483 timeout
org.smtlib.IParser$ParserException: Unbalanced parentheses at end of input")
Solver is answering 'unknown', stopping.
After SMT solving in domain Real declared 485/1188 variables, and 92 constraints, problems are : Problem set: 0 solved, 900 unsolved in 30033 ms.
Refiners :[Positive P Invariants (semi-flows): 92/93 constraints, State Equation: 0/486 constraints, ReadFeed: 0/1 constraints, PredecessorRefiner: 900/900 constraints, Known Traps: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 900 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/484 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 900 unsolved
At refinement iteration 1 (OVERLAPS) 1/485 variables, 92/92 constraints. Problems are: Problem set: 0 solved, 900 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/485 variables, 0/92 constraints. Problems are: Problem set: 0 solved, 900 unsolved
At refinement iteration 3 (OVERLAPS) 1/486 variables, 1/93 constraints. Problems are: Problem set: 0 solved, 900 unsolved
Error getting values : (error "ParserException while parsing response: ((s0 0)
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(s32 0)
(s33 0)timeout

org.smtlib.IParser$ParserException: Unbalanced parentheses at end of input")
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 486/1188 variables, and 93 constraints, problems are : Problem set: 0 solved, 900 unsolved in 30029 ms.
Refiners :[Positive P Invariants (semi-flows): 93/93 constraints, State Equation: 0/486 constraints, ReadFeed: 0/1 constraints, PredecessorRefiner: 0/900 constraints, Known Traps: 0/0 constraints]
After SMT, in 60321ms problems are : Problem set: 0 solved, 900 unsolved
Search for dead transitions found 0 dead transitions in 60338ms
Starting structural reductions in LTL mode, iteration 1 : 486/511 places, 901/905 transitions.
Finished structural reductions in LTL mode , in 1 iterations and 61178 ms. Remains : 486/511 places, 901/905 transitions.
Stuttering acceptance computed with spot in 191 ms :[true, (NOT p0), (NOT p0)]
Running random walk in product with property : DLCflexbar-PT-6a-LTLCardinality-11
Entered a terminal (fully accepting) state of product in 1 steps with 0 reset in 1 ms.
FORMULA DLCflexbar-PT-6a-LTLCardinality-11 FALSE TECHNIQUES STUTTER_TEST
Treatment of property DLCflexbar-PT-6a-LTLCardinality-11 finished in 61392 ms.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202405141337/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!(X(X(F(p0))))'
Support contains 2 out of 511 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 511/511 places, 905/905 transitions.
Reduce places removed 23 places and 0 transitions.
Iterating post reduction 0 with 23 rules applied. Total rules applied 23 place count 488 transition count 905
Discarding 2 places :
Symmetric choice reduction at 1 with 2 rule applications. Total rules 25 place count 486 transition count 901
Iterating global reduction 1 with 2 rules applied. Total rules applied 27 place count 486 transition count 901
Applied a total of 27 rules in 24 ms. Remains 486 /511 variables (removed 25) and now considering 901/905 (removed 4) transitions.
[2024-06-01 00:51:38] [INFO ] Flow matrix only has 702 transitions (discarded 199 similar events)
[2024-06-01 00:51:38] [INFO ] Invariant cache hit.
[2024-06-01 00:51:39] [INFO ] Implicit Places using invariants in 194 ms returned []
[2024-06-01 00:51:39] [INFO ] Flow matrix only has 702 transitions (discarded 199 similar events)
[2024-06-01 00:51:39] [INFO ] Invariant cache hit.
[2024-06-01 00:51:39] [INFO ] State equation strengthened by 1 read => feed constraints.
[2024-06-01 00:51:39] [INFO ] Implicit Places using invariants and state equation in 607 ms returned []
Implicit Place search using SMT with State Equation took 804 ms to find 0 implicit places.
Running 900 sub problems to find dead transitions.
[2024-06-01 00:51:39] [INFO ] Flow matrix only has 702 transitions (discarded 199 similar events)
[2024-06-01 00:51:39] [INFO ] Invariant cache hit.
[2024-06-01 00:51:39] [INFO ] State equation strengthened by 1 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/484 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 900 unsolved
At refinement iteration 1 (OVERLAPS) 1/485 variables, 92/92 constraints. Problems are: Problem set: 0 solved, 900 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Real declared 485/1188 variables, and 92 constraints, problems are : Problem set: 0 solved, 900 unsolved in 30031 ms.
Refiners :[Positive P Invariants (semi-flows): 92/93 constraints, State Equation: 0/486 constraints, ReadFeed: 0/1 constraints, PredecessorRefiner: 900/900 constraints, Known Traps: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 900 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/484 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 900 unsolved
At refinement iteration 1 (OVERLAPS) 1/485 variables, 92/92 constraints. Problems are: Problem set: 0 solved, 900 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/485 variables, 0/92 constraints. Problems are: Problem set: 0 solved, 900 unsolved
At refinement iteration 3 (OVERLAPS) 1/486 variables, 1/93 constraints. Problems are: Problem set: 0 solved, 900 unsolved
Error getting values : (error "ParserException while parsing response: ((s0 0)
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(s341 0)
(s342 0)
(s343 0)
(s344 timeout
org.smtlib.IParser$ParserException: Unbalanced parentheses at end of input")
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 486/1188 variables, and 93 constraints, problems are : Problem set: 0 solved, 900 unsolved in 30032 ms.
Refiners :[Positive P Invariants (semi-flows): 93/93 constraints, State Equation: 0/486 constraints, ReadFeed: 0/1 constraints, PredecessorRefiner: 0/900 constraints, Known Traps: 0/0 constraints]
After SMT, in 60292ms problems are : Problem set: 0 solved, 900 unsolved
Search for dead transitions found 0 dead transitions in 60309ms
Starting structural reductions in LTL mode, iteration 1 : 486/511 places, 901/905 transitions.
Finished structural reductions in LTL mode , in 1 iterations and 61140 ms. Remains : 486/511 places, 901/905 transitions.
Stuttering acceptance computed with spot in 148 ms :[(NOT p0), (NOT p0), (NOT p0)]
Running random walk in product with property : DLCflexbar-PT-6a-LTLCardinality-12
Stuttering criterion allowed to conclude after 1 steps with 0 reset in 0 ms.
FORMULA DLCflexbar-PT-6a-LTLCardinality-12 FALSE TECHNIQUES STUTTER_TEST
Treatment of property DLCflexbar-PT-6a-LTLCardinality-12 finished in 61311 ms.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202405141337/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!(X(X(X(F(p0)))))'
Support contains 1 out of 511 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 511/511 places, 905/905 transitions.
Reduce places removed 23 places and 0 transitions.
Iterating post reduction 0 with 23 rules applied. Total rules applied 23 place count 488 transition count 905
Discarding 2 places :
Symmetric choice reduction at 1 with 2 rule applications. Total rules 25 place count 486 transition count 901
Iterating global reduction 1 with 2 rules applied. Total rules applied 27 place count 486 transition count 901
Applied a total of 27 rules in 26 ms. Remains 486 /511 variables (removed 25) and now considering 901/905 (removed 4) transitions.
[2024-06-01 00:52:40] [INFO ] Flow matrix only has 702 transitions (discarded 199 similar events)
[2024-06-01 00:52:40] [INFO ] Invariant cache hit.
[2024-06-01 00:52:40] [INFO ] Implicit Places using invariants in 204 ms returned []
[2024-06-01 00:52:40] [INFO ] Flow matrix only has 702 transitions (discarded 199 similar events)
[2024-06-01 00:52:40] [INFO ] Invariant cache hit.
[2024-06-01 00:52:41] [INFO ] State equation strengthened by 1 read => feed constraints.
[2024-06-01 00:52:41] [INFO ] Implicit Places using invariants and state equation in 577 ms returned []
Implicit Place search using SMT with State Equation took 785 ms to find 0 implicit places.
Running 900 sub problems to find dead transitions.
[2024-06-01 00:52:41] [INFO ] Flow matrix only has 702 transitions (discarded 199 similar events)
[2024-06-01 00:52:41] [INFO ] Invariant cache hit.
[2024-06-01 00:52:41] [INFO ] State equation strengthened by 1 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/484 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 900 unsolved
At refinement iteration 1 (OVERLAPS) 1/485 variables, 92/92 constraints. Problems are: Problem set: 0 solved, 900 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Real declared 485/1188 variables, and 92 constraints, problems are : Problem set: 0 solved, 900 unsolved in 30035 ms.
Refiners :[Positive P Invariants (semi-flows): 92/93 constraints, State Equation: 0/486 constraints, ReadFeed: 0/1 constraints, PredecessorRefiner: 900/900 constraints, Known Traps: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 900 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/484 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 900 unsolved
At refinement iteration 1 (OVERLAPS) 1/485 variables, 92/92 constraints. Problems are: Problem set: 0 solved, 900 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/485 variables, 0/92 constraints. Problems are: Problem set: 0 solved, 900 unsolved
At refinement iteration 3 (OVERLAPS) 1/486 variables, 1/93 constraints. Problems are: Problem set: 0 solved, 900 unsolved
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0 org.smtlib.IParser$ParserException: Unbalanced parentheses at end of input")
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 486/1188 variables, and 93 constraints, problems are : Problem set: 0 solved, 900 unsolved in 30030 ms.
Refiners :[Positive P Invariants (semi-flows): 93/93 constraints, State Equation: 0/486 constraints, ReadFeed: 0/1 constraints, PredecessorRefiner: 0/900 constraints, Known Traps: 0/0 constraints]
After SMT, in 60289ms problems are : Problem set: 0 solved, 900 unsolved
Search for dead transitions found 0 dead transitions in 60305ms
Starting structural reductions in LTL mode, iteration 1 : 486/511 places, 901/905 transitions.
Finished structural reductions in LTL mode , in 1 iterations and 61120 ms. Remains : 486/511 places, 901/905 transitions.
Stuttering acceptance computed with spot in 203 ms :[(NOT p0), (NOT p0), (NOT p0), (NOT p0)]
Running random walk in product with property : DLCflexbar-PT-6a-LTLCardinality-14
Product exploration explored 100000 steps with 25000 reset in 2215 ms.
Product exploration explored 100000 steps with 25000 reset in 1604 ms.
Computed a total of 2 stabilizing places and 1 stable transitions
Graph (complete) has 993 edges and 486 vertex of which 485 are kept as prefixes of interest. Removing 1 places using SCC suffix rule.6 ms
Computed a total of 2 stabilizing places and 1 stable transitions
Detected a total of 2/486 stabilizing places and 1/901 transitions leading to convergence knowledge of the form 'F(Gp|G!p)' for 1/1 atomic propositions.
Knowledge obtained : [(NOT p0), (F (OR (G p0) (G (NOT p0))))]
False Knowledge obtained : []
Knowledge based reduction with 2 factoid took 80 ms. Reduced automaton from 4 states, 4 edges and 1 AP (stutter sensitive) to 4 states, 4 edges and 1 AP (stutter sensitive).
Stuttering acceptance computed with spot in 130 ms :[(NOT p0), (NOT p0), (NOT p0), (NOT p0)]
RANDOM walk for 4 steps (0 resets) in 4 ms. (0 steps per ms) remains 0/1 properties
Knowledge obtained : [(NOT p0), (F (OR (G p0) (G (NOT p0))))]
False Knowledge obtained : [(F p0)]
Knowledge based reduction with 2 factoid took 103 ms. Reduced automaton from 4 states, 4 edges and 1 AP (stutter sensitive) to 4 states, 4 edges and 1 AP (stutter sensitive).
Stuttering acceptance computed with spot in 133 ms :[(NOT p0), (NOT p0), (NOT p0), (NOT p0)]
Stuttering acceptance computed with spot in 147 ms :[(NOT p0), (NOT p0), (NOT p0), (NOT p0)]
[2024-06-01 00:53:45] [INFO ] Flow matrix only has 702 transitions (discarded 199 similar events)
[2024-06-01 00:53:46] [INFO ] Invariant cache hit.
[2024-06-01 00:53:46] [INFO ] [Real]Absence check using 93 positive place invariants in 35 ms returned sat
[2024-06-01 00:53:46] [INFO ] [Real]Absence check using state equation in 322 ms returned sat
[2024-06-01 00:53:46] [INFO ] State equation strengthened by 1 read => feed constraints.
[2024-06-01 00:53:46] [INFO ] [Real]Added 1 Read/Feed constraints in 7 ms returned sat
[2024-06-01 00:53:47] [INFO ] Computed and/alt/rep : 700/1432/700 causal constraints (skipped 1 transitions) in 59 ms.
[2024-06-01 00:53:47] [INFO ] Added : 0 causal constraints over 0 iterations in 130 ms. Result :sat
Could not prove EG (NOT p0)
Support contains 1 out of 486 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 486/486 places, 901/901 transitions.
Applied a total of 0 rules in 8 ms. Remains 486 /486 variables (removed 0) and now considering 901/901 (removed 0) transitions.
[2024-06-01 00:53:47] [INFO ] Flow matrix only has 702 transitions (discarded 199 similar events)
[2024-06-01 00:53:47] [INFO ] Invariant cache hit.
[2024-06-01 00:53:47] [INFO ] Implicit Places using invariants in 123 ms returned []
[2024-06-01 00:53:47] [INFO ] Flow matrix only has 702 transitions (discarded 199 similar events)
[2024-06-01 00:53:47] [INFO ] Invariant cache hit.
[2024-06-01 00:53:47] [INFO ] State equation strengthened by 1 read => feed constraints.
[2024-06-01 00:53:47] [INFO ] Implicit Places using invariants and state equation in 578 ms returned []
Implicit Place search using SMT with State Equation took 722 ms to find 0 implicit places.
Running 900 sub problems to find dead transitions.
[2024-06-01 00:53:47] [INFO ] Flow matrix only has 702 transitions (discarded 199 similar events)
[2024-06-01 00:53:47] [INFO ] Invariant cache hit.
[2024-06-01 00:53:47] [INFO ] State equation strengthened by 1 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/484 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 900 unsolved
At refinement iteration 1 (OVERLAPS) 1/485 variables, 92/92 constraints. Problems are: Problem set: 0 solved, 900 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Real declared 485/1188 variables, and 92 constraints, problems are : Problem set: 0 solved, 900 unsolved in 30049 ms.
Refiners :[Positive P Invariants (semi-flows): 92/93 constraints, State Equation: 0/486 constraints, ReadFeed: 0/1 constraints, PredecessorRefiner: 900/900 constraints, Known Traps: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 900 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/484 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 900 unsolved
At refinement iteration 1 (OVERLAPS) 1/485 variables, 92/92 constraints. Problems are: Problem set: 0 solved, 900 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/485 variables, 0/92 constraints. Problems are: Problem set: 0 solved, 900 unsolved
At refinement iteration 3 (OVERLAPS) 1/486 variables, 1/93 constraints. Problems are: Problem set: 0 solved, 900 unsolved
Error getting values : (error "ParserException while parsing response: ((s0 0)
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( org.smtlib.IParser$ParserException: Unbalanced parentheses at end of input")
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 486/1188 variables, and 93 constraints, problems are : Problem set: 0 solved, 900 unsolved in 30031 ms.
Refiners :[Positive P Invariants (semi-flows): 93/93 constraints, State Equation: 0/486 constraints, ReadFeed: 0/1 constraints, PredecessorRefiner: 0/900 constraints, Known Traps: 0/0 constraints]
After SMT, in 60241ms problems are : Problem set: 0 solved, 900 unsolved
Search for dead transitions found 0 dead transitions in 60252ms
Finished structural reductions in LTL mode , in 1 iterations and 60990 ms. Remains : 486/486 places, 901/901 transitions.
Computed a total of 2 stabilizing places and 1 stable transitions
Graph (complete) has 993 edges and 486 vertex of which 485 are kept as prefixes of interest. Removing 1 places using SCC suffix rule.9 ms
Computed a total of 2 stabilizing places and 1 stable transitions
Detected a total of 2/486 stabilizing places and 1/901 transitions leading to convergence knowledge of the form 'F(Gp|G!p)' for 1/1 atomic propositions.
Knowledge obtained : [(NOT p0), (F (OR (G p0) (G (NOT p0))))]
False Knowledge obtained : []
Knowledge based reduction with 2 factoid took 115 ms. Reduced automaton from 4 states, 4 edges and 1 AP (stutter sensitive) to 4 states, 4 edges and 1 AP (stutter sensitive).
Stuttering acceptance computed with spot in 250 ms :[(NOT p0), (NOT p0), (NOT p0), (NOT p0)]
RANDOM walk for 4 steps (0 resets) in 6 ms. (0 steps per ms) remains 0/1 properties
Knowledge obtained : [(NOT p0), (F (OR (G p0) (G (NOT p0))))]
False Knowledge obtained : [(F p0)]
Knowledge based reduction with 2 factoid took 212 ms. Reduced automaton from 4 states, 4 edges and 1 AP (stutter sensitive) to 4 states, 4 edges and 1 AP (stutter sensitive).
Stuttering acceptance computed with spot in 211 ms :[(NOT p0), (NOT p0), (NOT p0), (NOT p0)]
Stuttering acceptance computed with spot in 199 ms :[(NOT p0), (NOT p0), (NOT p0), (NOT p0)]
[2024-06-01 00:54:49] [INFO ] Flow matrix only has 702 transitions (discarded 199 similar events)
[2024-06-01 00:54:49] [INFO ] Invariant cache hit.
[2024-06-01 00:54:49] [INFO ] [Real]Absence check using 93 positive place invariants in 34 ms returned sat
[2024-06-01 00:54:50] [INFO ] [Real]Absence check using state equation in 312 ms returned sat
[2024-06-01 00:54:50] [INFO ] State equation strengthened by 1 read => feed constraints.
[2024-06-01 00:54:50] [INFO ] [Real]Added 1 Read/Feed constraints in 11 ms returned sat
[2024-06-01 00:54:50] [INFO ] Computed and/alt/rep : 700/1432/700 causal constraints (skipped 1 transitions) in 88 ms.
[2024-06-01 00:54:50] [INFO ] Added : 0 causal constraints over 0 iterations in 204 ms. Result :sat
Could not prove EG (NOT p0)
Stuttering acceptance computed with spot in 206 ms :[(NOT p0), (NOT p0), (NOT p0), (NOT p0)]
Product exploration explored 100000 steps with 25000 reset in 1749 ms.
Product exploration explored 100000 steps with 25000 reset in 1570 ms.
Applying partial POR strategy [true, false, false, false]
Stuttering acceptance computed with spot in 234 ms :[(NOT p0), (NOT p0), (NOT p0), (NOT p0)]
Support contains 1 out of 486 places. Attempting structural reductions.
Starting structural reductions in SI_LTL mode, iteration 0 : 486/486 places, 901/901 transitions.
Graph (trivial) has 900 edges and 486 vertex of which 484 / 486 are part of one of the 92 SCC in 3 ms
Free SCC test removed 392 places
Ensure Unique test removed 808 transitions
Reduce isomorphic transitions removed 808 transitions.
Discarding 91 places :
Symmetric choice reduction at 0 with 91 rule applications. Total rules 92 place count 3 transition count 2
Iterating global reduction 0 with 91 rules applied. Total rules applied 183 place count 3 transition count 2
Applied a total of 183 rules in 11 ms. Remains 3 /486 variables (removed 483) and now considering 2/901 (removed 899) transitions.
[2024-06-01 00:54:54] [INFO ] Redundant transitions in 0 ms returned []
Running 1 sub problems to find dead transitions.
// Phase 1: matrix 2 rows 3 cols
[2024-06-01 00:54:54] [INFO ] Computed 2 invariants in 1 ms
[2024-06-01 00:54:54] [INFO ] State equation strengthened by 1 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/1 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 1 (OVERLAPS) 1/2 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/2 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (OVERLAPS) 1/3 variables, 1/2 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/3 variables, 0/2 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (OVERLAPS) 1/4 variables, 3/5 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/4 variables, 0/5 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (OVERLAPS) 1/5 variables, 1/6 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/5 variables, 0/6 constraints. Problems are: Problem set: 0 solved, 1 unsolved
All remaining problems are real, not stopping.
At refinement iteration 9 (OVERLAPS) 0/5 variables, 0/6 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Real declared 5/5 variables, and 6 constraints, problems are : Problem set: 0 solved, 1 unsolved in 44 ms.
Refiners :[Positive P Invariants (semi-flows): 2/2 constraints, State Equation: 3/3 constraints, ReadFeed: 1/1 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 1 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/1 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 1 (OVERLAPS) 1/2 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/2 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (OVERLAPS) 1/3 variables, 1/2 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/3 variables, 0/2 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (OVERLAPS) 1/4 variables, 3/5 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/4 variables, 1/6 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/4 variables, 0/6 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (OVERLAPS) 1/5 variables, 1/7 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/5 variables, 0/7 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (OVERLAPS) 0/5 variables, 0/7 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Int declared 5/5 variables, and 7 constraints, problems are : Problem set: 0 solved, 1 unsolved in 43 ms.
Refiners :[Positive P Invariants (semi-flows): 2/2 constraints, State Equation: 3/3 constraints, ReadFeed: 1/1 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 0/0 constraints]
After SMT, in 91ms problems are : Problem set: 0 solved, 1 unsolved
Search for dead transitions found 0 dead transitions in 91ms
Starting structural reductions in SI_LTL mode, iteration 1 : 3/486 places, 2/901 transitions.
Finished structural reductions in SI_LTL mode , in 1 iterations and 109 ms. Remains : 3/486 places, 2/901 transitions.
Support contains 1 out of 486 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 486/486 places, 901/901 transitions.
Applied a total of 0 rules in 15 ms. Remains 486 /486 variables (removed 0) and now considering 901/901 (removed 0) transitions.
[2024-06-01 00:54:54] [INFO ] Flow matrix only has 702 transitions (discarded 199 similar events)
// Phase 1: matrix 702 rows 486 cols
[2024-06-01 00:54:54] [INFO ] Computed 93 invariants in 4 ms
[2024-06-01 00:54:54] [INFO ] Implicit Places using invariants in 185 ms returned []
[2024-06-01 00:54:54] [INFO ] Flow matrix only has 702 transitions (discarded 199 similar events)
[2024-06-01 00:54:54] [INFO ] Invariant cache hit.
[2024-06-01 00:54:55] [INFO ] State equation strengthened by 1 read => feed constraints.
[2024-06-01 00:54:55] [INFO ] Implicit Places using invariants and state equation in 587 ms returned []
Implicit Place search using SMT with State Equation took 774 ms to find 0 implicit places.
Running 900 sub problems to find dead transitions.
[2024-06-01 00:54:55] [INFO ] Flow matrix only has 702 transitions (discarded 199 similar events)
[2024-06-01 00:54:55] [INFO ] Invariant cache hit.
[2024-06-01 00:54:55] [INFO ] State equation strengthened by 1 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/484 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 900 unsolved
At refinement iteration 1 (OVERLAPS) 1/485 variables, 92/92 constraints. Problems are: Problem set: 0 solved, 900 unsolved
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org.smtlib.IParser$ParserException: Unbalanced parentheses at end of input")
Solver is answering 'unknown', stopping.
After SMT solving in domain Real declared 485/1188 variables, and 92 constraints, problems are : Problem set: 0 solved, 900 unsolved in 30029 ms.
Refiners :[Positive P Invariants (semi-flows): 92/93 constraints, State Equation: 0/486 constraints, ReadFeed: 0/1 constraints, PredecessorRefiner: 900/900 constraints, Known Traps: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 900 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/484 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 900 unsolved
At refinement iteration 1 (OVERLAPS) 1/485 variables, 92/92 constraints. Problems are: Problem set: 0 solved, 900 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/485 variables, 0/92 constraints. Problems are: Problem set: 0 solved, 900 unsolved
At refinement iteration 3 (OVERLAPS) 1/486 variables, 1/93 constraints. Problems are: Problem set: 0 solved, 900 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 486/1188 variables, and 93 constraints, problems are : Problem set: 0 solved, 900 unsolved in 30031 ms.
Refiners :[Positive P Invariants (semi-flows): 93/93 constraints, State Equation: 0/486 constraints, ReadFeed: 0/1 constraints, PredecessorRefiner: 0/900 constraints, Known Traps: 0/0 constraints]
After SMT, in 60225ms problems are : Problem set: 0 solved, 900 unsolved
Search for dead transitions found 0 dead transitions in 60236ms
Finished structural reductions in LTL mode , in 1 iterations and 61027 ms. Remains : 486/486 places, 901/901 transitions.
Treatment of property DLCflexbar-PT-6a-LTLCardinality-14 finished in 195741 ms.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202405141337/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!(F(G(p0)))'
Support contains 2 out of 511 places. Attempting structural reductions.
Starting structural reductions in SI_LTL mode, iteration 0 : 511/511 places, 905/905 transitions.
Graph (trivial) has 904 edges and 511 vertex of which 486 / 511 are part of one of the 92 SCC in 3 ms
Free SCC test removed 394 places
Ensure Unique test removed 812 transitions
Reduce isomorphic transitions removed 812 transitions.
Graph (complete) has 208 edges and 117 vertex of which 95 are kept as prefixes of interest. Removing 22 places using SCC suffix rule.1 ms
Discarding 22 places :
Also discarding 0 output transitions
Discarding 91 places :
Symmetric choice reduction at 0 with 91 rule applications. Total rules 93 place count 4 transition count 2
Iterating global reduction 0 with 91 rules applied. Total rules applied 184 place count 4 transition count 2
Applied a total of 184 rules in 11 ms. Remains 4 /511 variables (removed 507) and now considering 2/905 (removed 903) transitions.
// Phase 1: matrix 2 rows 4 cols
[2024-06-01 00:55:55] [INFO ] Computed 3 invariants in 1 ms
[2024-06-01 00:55:56] [INFO ] Implicit Places using invariants in 46 ms returned []
[2024-06-01 00:55:56] [INFO ] Invariant cache hit.
[2024-06-01 00:55:56] [INFO ] State equation strengthened by 1 read => feed constraints.
[2024-06-01 00:55:56] [INFO ] Implicit Places using invariants and state equation in 26 ms returned []
Implicit Place search using SMT with State Equation took 74 ms to find 0 implicit places.
[2024-06-01 00:55:56] [INFO ] Redundant transitions in 0 ms returned []
Running 1 sub problems to find dead transitions.
[2024-06-01 00:55:56] [INFO ] Invariant cache hit.
[2024-06-01 00:55:56] [INFO ] State equation strengthened by 1 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/1 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 1 (OVERLAPS) 1/2 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/2 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (OVERLAPS) 2/4 variables, 2/3 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/4 variables, 0/3 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (OVERLAPS) 1/5 variables, 4/7 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/5 variables, 0/7 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (OVERLAPS) 1/6 variables, 1/8 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/6 variables, 0/8 constraints. Problems are: Problem set: 0 solved, 1 unsolved
All remaining problems are real, not stopping.
At refinement iteration 9 (OVERLAPS) 0/6 variables, 0/8 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Real declared 6/6 variables, and 8 constraints, problems are : Problem set: 0 solved, 1 unsolved in 67 ms.
Refiners :[Positive P Invariants (semi-flows): 3/3 constraints, State Equation: 4/4 constraints, ReadFeed: 1/1 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 1 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/1 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 1 (OVERLAPS) 1/2 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/2 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (OVERLAPS) 2/4 variables, 2/3 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/4 variables, 0/3 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (OVERLAPS) 1/5 variables, 4/7 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/5 variables, 1/8 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/5 variables, 0/8 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (OVERLAPS) 1/6 variables, 1/9 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/6 variables, 0/9 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (OVERLAPS) 0/6 variables, 0/9 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Int declared 6/6 variables, and 9 constraints, problems are : Problem set: 0 solved, 1 unsolved in 37 ms.
Refiners :[Positive P Invariants (semi-flows): 3/3 constraints, State Equation: 4/4 constraints, ReadFeed: 1/1 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 0/0 constraints]
After SMT, in 109ms problems are : Problem set: 0 solved, 1 unsolved
Search for dead transitions found 0 dead transitions in 109ms
Starting structural reductions in SI_LTL mode, iteration 1 : 4/511 places, 2/905 transitions.
Finished structural reductions in SI_LTL mode , in 1 iterations and 203 ms. Remains : 4/511 places, 2/905 transitions.
Stuttering acceptance computed with spot in 55 ms :[(NOT p0)]
Running random walk in product with property : DLCflexbar-PT-6a-LTLCardinality-15
Product exploration explored 100000 steps with 0 reset in 90 ms.
Product exploration explored 100000 steps with 0 reset in 185 ms.
Computed a total of 4 stabilizing places and 1 stable transitions
Graph (complete) has 4 edges and 4 vertex of which 2 are kept as prefixes of interest. Removing 2 places using SCC suffix rule.0 ms
Computed a total of 4 stabilizing places and 1 stable transitions
Detected a total of 4/4 stabilizing places and 1/2 transitions leading to convergence knowledge of the form 'F(Gp|G!p)' for 1/1 atomic propositions.
Knowledge obtained : [(NOT p0), (X p0), (X (X p0)), (F (OR (G p0) (G (NOT p0))))]
False Knowledge obtained : []
Knowledge based reduction with 4 factoid took 466 ms. Reduced automaton from 1 states, 2 edges and 1 AP (stutter insensitive) to 1 states, 2 edges and 1 AP (stutter insensitive).
Stuttering acceptance computed with spot in 34 ms :[(NOT p0)]
RANDOM walk for 4 steps (0 resets) in 4 ms. (0 steps per ms) remains 0/1 properties
Knowledge obtained : [(NOT p0), (X p0), (X (X p0)), (F (OR (G p0) (G (NOT p0))))]
False Knowledge obtained : [(F p0)]
Knowledge based reduction with 4 factoid took 111 ms. Reduced automaton from 1 states, 2 edges and 1 AP (stutter insensitive) to 1 states, 2 edges and 1 AP (stutter insensitive).
Stuttering acceptance computed with spot in 36 ms :[(NOT p0)]
Stuttering acceptance computed with spot in 46 ms :[(NOT p0)]
[2024-06-01 00:55:57] [INFO ] Invariant cache hit.
[2024-06-01 00:55:57] [INFO ] [Real]Absence check using 3 positive place invariants in 26 ms returned sat
[2024-06-01 00:55:57] [INFO ] [Real]Absence check using state equation in 79 ms returned sat
[2024-06-01 00:55:57] [INFO ] State equation strengthened by 1 read => feed constraints.
[2024-06-01 00:55:57] [INFO ] [Real]Added 1 Read/Feed constraints in 2 ms returned sat
[2024-06-01 00:55:57] [INFO ] Computed and/alt/rep : 1/1/1 causal constraints (skipped 0 transitions) in 1 ms.
[2024-06-01 00:55:57] [INFO ] Added : 0 causal constraints over 0 iterations in 3 ms. Result :sat
Could not prove EG (NOT p0)
Support contains 2 out of 4 places. Attempting structural reductions.
Starting structural reductions in SI_LTL mode, iteration 0 : 4/4 places, 2/2 transitions.
Applied a total of 0 rules in 0 ms. Remains 4 /4 variables (removed 0) and now considering 2/2 (removed 0) transitions.
[2024-06-01 00:55:57] [INFO ] Invariant cache hit.
[2024-06-01 00:55:57] [INFO ] Implicit Places using invariants in 22 ms returned []
[2024-06-01 00:55:57] [INFO ] Invariant cache hit.
[2024-06-01 00:55:57] [INFO ] State equation strengthened by 1 read => feed constraints.
[2024-06-01 00:55:57] [INFO ] Implicit Places using invariants and state equation in 40 ms returned []
Implicit Place search using SMT with State Equation took 65 ms to find 0 implicit places.
[2024-06-01 00:55:57] [INFO ] Redundant transitions in 0 ms returned []
Running 1 sub problems to find dead transitions.
[2024-06-01 00:55:57] [INFO ] Invariant cache hit.
[2024-06-01 00:55:57] [INFO ] State equation strengthened by 1 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/1 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 1 (OVERLAPS) 1/2 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/2 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (OVERLAPS) 2/4 variables, 2/3 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/4 variables, 0/3 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (OVERLAPS) 1/5 variables, 4/7 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/5 variables, 0/7 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (OVERLAPS) 1/6 variables, 1/8 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/6 variables, 0/8 constraints. Problems are: Problem set: 0 solved, 1 unsolved
All remaining problems are real, not stopping.
At refinement iteration 9 (OVERLAPS) 0/6 variables, 0/8 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Real declared 6/6 variables, and 8 constraints, problems are : Problem set: 0 solved, 1 unsolved in 78 ms.
Refiners :[Positive P Invariants (semi-flows): 3/3 constraints, State Equation: 4/4 constraints, ReadFeed: 1/1 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 1 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/1 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 1 (OVERLAPS) 1/2 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/2 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (OVERLAPS) 2/4 variables, 2/3 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/4 variables, 0/3 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (OVERLAPS) 1/5 variables, 4/7 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/5 variables, 1/8 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/5 variables, 0/8 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (OVERLAPS) 1/6 variables, 1/9 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/6 variables, 0/9 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (OVERLAPS) 0/6 variables, 0/9 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Int declared 6/6 variables, and 9 constraints, problems are : Problem set: 0 solved, 1 unsolved in 51 ms.
Refiners :[Positive P Invariants (semi-flows): 3/3 constraints, State Equation: 4/4 constraints, ReadFeed: 1/1 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 0/0 constraints]
After SMT, in 133ms problems are : Problem set: 0 solved, 1 unsolved
Search for dead transitions found 0 dead transitions in 133ms
Finished structural reductions in SI_LTL mode , in 1 iterations and 205 ms. Remains : 4/4 places, 2/2 transitions.
Computed a total of 4 stabilizing places and 1 stable transitions
Graph (complete) has 4 edges and 4 vertex of which 2 are kept as prefixes of interest. Removing 2 places using SCC suffix rule.0 ms
Computed a total of 4 stabilizing places and 1 stable transitions
Detected a total of 4/4 stabilizing places and 1/2 transitions leading to convergence knowledge of the form 'F(Gp|G!p)' for 1/1 atomic propositions.
Knowledge obtained : [(NOT p0), (X p0), (X (X p0)), (F (OR (G p0) (G (NOT p0))))]
False Knowledge obtained : []
Knowledge based reduction with 4 factoid took 134 ms. Reduced automaton from 1 states, 2 edges and 1 AP (stutter insensitive) to 1 states, 2 edges and 1 AP (stutter insensitive).
Stuttering acceptance computed with spot in 49 ms :[(NOT p0)]
RANDOM walk for 4 steps (0 resets) in 4 ms. (0 steps per ms) remains 0/1 properties
Knowledge obtained : [(NOT p0), (X p0), (X (X p0)), (F (OR (G p0) (G (NOT p0))))]
False Knowledge obtained : [(F p0)]
Knowledge based reduction with 4 factoid took 162 ms. Reduced automaton from 1 states, 2 edges and 1 AP (stutter insensitive) to 1 states, 2 edges and 1 AP (stutter insensitive).
Stuttering acceptance computed with spot in 51 ms :[(NOT p0)]
Stuttering acceptance computed with spot in 48 ms :[(NOT p0)]
[2024-06-01 00:55:58] [INFO ] Invariant cache hit.
[2024-06-01 00:55:58] [INFO ] [Real]Absence check using 3 positive place invariants in 2 ms returned sat
[2024-06-01 00:55:58] [INFO ] [Real]Absence check using state equation in 3 ms returned sat
[2024-06-01 00:55:58] [INFO ] State equation strengthened by 1 read => feed constraints.
[2024-06-01 00:55:58] [INFO ] [Real]Added 1 Read/Feed constraints in 1 ms returned sat
[2024-06-01 00:55:58] [INFO ] Computed and/alt/rep : 1/1/1 causal constraints (skipped 0 transitions) in 1 ms.
[2024-06-01 00:55:58] [INFO ] Added : 0 causal constraints over 0 iterations in 3 ms. Result :sat
Could not prove EG (NOT p0)
Stuttering acceptance computed with spot in 49 ms :[(NOT p0)]
Product exploration explored 100000 steps with 0 reset in 85 ms.
Product exploration explored 100000 steps with 0 reset in 186 ms.
Support contains 2 out of 4 places. Attempting structural reductions.
Starting structural reductions in SI_LTL mode, iteration 0 : 4/4 places, 2/2 transitions.
Applied a total of 0 rules in 0 ms. Remains 4 /4 variables (removed 0) and now considering 2/2 (removed 0) transitions.
[2024-06-01 00:55:58] [INFO ] Invariant cache hit.
[2024-06-01 00:55:58] [INFO ] Implicit Places using invariants in 18 ms returned []
[2024-06-01 00:55:58] [INFO ] Invariant cache hit.
[2024-06-01 00:55:58] [INFO ] State equation strengthened by 1 read => feed constraints.
[2024-06-01 00:55:58] [INFO ] Implicit Places using invariants and state equation in 22 ms returned []
Implicit Place search using SMT with State Equation took 42 ms to find 0 implicit places.
[2024-06-01 00:55:58] [INFO ] Redundant transitions in 0 ms returned []
Running 1 sub problems to find dead transitions.
[2024-06-01 00:55:58] [INFO ] Invariant cache hit.
[2024-06-01 00:55:58] [INFO ] State equation strengthened by 1 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/1 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 1 (OVERLAPS) 1/2 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/2 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (OVERLAPS) 2/4 variables, 2/3 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/4 variables, 0/3 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (OVERLAPS) 1/5 variables, 4/7 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/5 variables, 0/7 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (OVERLAPS) 1/6 variables, 1/8 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/6 variables, 0/8 constraints. Problems are: Problem set: 0 solved, 1 unsolved
All remaining problems are real, not stopping.
At refinement iteration 9 (OVERLAPS) 0/6 variables, 0/8 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Real declared 6/6 variables, and 8 constraints, problems are : Problem set: 0 solved, 1 unsolved in 41 ms.
Refiners :[Positive P Invariants (semi-flows): 3/3 constraints, State Equation: 4/4 constraints, ReadFeed: 1/1 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 1 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/1 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 1 (OVERLAPS) 1/2 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/2 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (OVERLAPS) 2/4 variables, 2/3 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/4 variables, 0/3 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (OVERLAPS) 1/5 variables, 4/7 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/5 variables, 1/8 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/5 variables, 0/8 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (OVERLAPS) 1/6 variables, 1/9 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/6 variables, 0/9 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (OVERLAPS) 0/6 variables, 0/9 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Int declared 6/6 variables, and 9 constraints, problems are : Problem set: 0 solved, 1 unsolved in 42 ms.
Refiners :[Positive P Invariants (semi-flows): 3/3 constraints, State Equation: 4/4 constraints, ReadFeed: 1/1 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 0/0 constraints]
After SMT, in 87ms problems are : Problem set: 0 solved, 1 unsolved
Search for dead transitions found 0 dead transitions in 87ms
Finished structural reductions in SI_LTL mode , in 1 iterations and 136 ms. Remains : 4/4 places, 2/2 transitions.
Treatment of property DLCflexbar-PT-6a-LTLCardinality-15 finished in 2774 ms.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202405141337/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!(X(X(X(F(p0)))))'
Found a Shortening insensitive property : DLCflexbar-PT-6a-LTLCardinality-14
Stuttering acceptance computed with spot in 136 ms :[(NOT p0), (NOT p0), (NOT p0), (NOT p0)]
Support contains 1 out of 511 places. Attempting structural reductions.
Starting structural reductions in LI_LTL mode, iteration 0 : 511/511 places, 905/905 transitions.
Graph (trivial) has 904 edges and 511 vertex of which 486 / 511 are part of one of the 92 SCC in 2 ms
Free SCC test removed 394 places
Ensure Unique test removed 812 transitions
Reduce isomorphic transitions removed 812 transitions.
Graph (complete) has 208 edges and 117 vertex of which 94 are kept as prefixes of interest. Removing 23 places using SCC suffix rule.1 ms
Discarding 23 places :
Also discarding 0 output transitions
Discarding 91 places :
Symmetric choice reduction at 0 with 91 rule applications. Total rules 93 place count 3 transition count 2
Iterating global reduction 0 with 91 rules applied. Total rules applied 184 place count 3 transition count 2
Applied a total of 184 rules in 7 ms. Remains 3 /511 variables (removed 508) and now considering 2/905 (removed 903) transitions.
// Phase 1: matrix 2 rows 3 cols
[2024-06-01 00:55:58] [INFO ] Computed 2 invariants in 1 ms
[2024-06-01 00:55:59] [INFO ] Implicit Places using invariants in 17 ms returned []
[2024-06-01 00:55:59] [INFO ] Invariant cache hit.
[2024-06-01 00:55:59] [INFO ] State equation strengthened by 1 read => feed constraints.
[2024-06-01 00:55:59] [INFO ] Implicit Places using invariants and state equation in 21 ms returned []
Implicit Place search using SMT with State Equation took 40 ms to find 0 implicit places.
Running 1 sub problems to find dead transitions.
[2024-06-01 00:55:59] [INFO ] Invariant cache hit.
[2024-06-01 00:55:59] [INFO ] State equation strengthened by 1 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/1 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 1 (OVERLAPS) 1/2 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/2 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (OVERLAPS) 1/3 variables, 1/2 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/3 variables, 0/2 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (OVERLAPS) 1/4 variables, 3/5 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/4 variables, 0/5 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (OVERLAPS) 1/5 variables, 1/6 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/5 variables, 0/6 constraints. Problems are: Problem set: 0 solved, 1 unsolved
All remaining problems are real, not stopping.
At refinement iteration 9 (OVERLAPS) 0/5 variables, 0/6 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Real declared 5/5 variables, and 6 constraints, problems are : Problem set: 0 solved, 1 unsolved in 28 ms.
Refiners :[Positive P Invariants (semi-flows): 2/2 constraints, State Equation: 3/3 constraints, ReadFeed: 1/1 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 1 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/1 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 1 (OVERLAPS) 1/2 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/2 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (OVERLAPS) 1/3 variables, 1/2 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/3 variables, 0/2 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (OVERLAPS) 1/4 variables, 3/5 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/4 variables, 1/6 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/4 variables, 0/6 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (OVERLAPS) 1/5 variables, 1/7 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/5 variables, 0/7 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (OVERLAPS) 0/5 variables, 0/7 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Int declared 5/5 variables, and 7 constraints, problems are : Problem set: 0 solved, 1 unsolved in 32 ms.
Refiners :[Positive P Invariants (semi-flows): 2/2 constraints, State Equation: 3/3 constraints, ReadFeed: 1/1 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 0/0 constraints]
After SMT, in 63ms problems are : Problem set: 0 solved, 1 unsolved
Search for dead transitions found 0 dead transitions in 63ms
Starting structural reductions in LI_LTL mode, iteration 1 : 3/511 places, 2/905 transitions.
Finished structural reductions in LI_LTL mode , in 1 iterations and 110 ms. Remains : 3/511 places, 2/905 transitions.
Running random walk in product with property : DLCflexbar-PT-6a-LTLCardinality-14
Product exploration explored 100000 steps with 25000 reset in 35 ms.
Product exploration explored 100000 steps with 25000 reset in 39 ms.
Computed a total of 3 stabilizing places and 1 stable transitions
Graph (complete) has 3 edges and 3 vertex of which 2 are kept as prefixes of interest. Removing 1 places using SCC suffix rule.0 ms
Computed a total of 3 stabilizing places and 1 stable transitions
Detected a total of 3/3 stabilizing places and 1/2 transitions leading to convergence knowledge of the form 'F(Gp|G!p)' for 1/1 atomic propositions.
Knowledge obtained : [(NOT p0), (F (OR (G p0) (G (NOT p0))))]
False Knowledge obtained : []
Knowledge based reduction with 2 factoid took 77 ms. Reduced automaton from 4 states, 4 edges and 1 AP (stutter sensitive) to 4 states, 4 edges and 1 AP (stutter sensitive).
Stuttering acceptance computed with spot in 148 ms :[(NOT p0), (NOT p0), (NOT p0), (NOT p0)]
RANDOM walk for 4 steps (0 resets) in 4 ms. (0 steps per ms) remains 0/1 properties
Knowledge obtained : [(NOT p0), (F (OR (G p0) (G (NOT p0))))]
False Knowledge obtained : [(F p0)]
Knowledge based reduction with 2 factoid took 129 ms. Reduced automaton from 4 states, 4 edges and 1 AP (stutter sensitive) to 4 states, 4 edges and 1 AP (stutter sensitive).
Stuttering acceptance computed with spot in 174 ms :[(NOT p0), (NOT p0), (NOT p0), (NOT p0)]
Stuttering acceptance computed with spot in 172 ms :[(NOT p0), (NOT p0), (NOT p0), (NOT p0)]
[2024-06-01 00:55:59] [INFO ] Invariant cache hit.
[2024-06-01 00:55:59] [INFO ] [Real]Absence check using 2 positive place invariants in 1 ms returned sat
[2024-06-01 00:55:59] [INFO ] [Real]Absence check using state equation in 2 ms returned sat
[2024-06-01 00:55:59] [INFO ] State equation strengthened by 1 read => feed constraints.
[2024-06-01 00:55:59] [INFO ] [Real]Added 1 Read/Feed constraints in 0 ms returned sat
[2024-06-01 00:55:59] [INFO ] Computed and/alt/rep : 1/1/1 causal constraints (skipped 0 transitions) in 0 ms.
[2024-06-01 00:55:59] [INFO ] Added : 0 causal constraints over 0 iterations in 2 ms. Result :sat
Could not prove EG (NOT p0)
Support contains 1 out of 3 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 3/3 places, 2/2 transitions.
Applied a total of 0 rules in 0 ms. Remains 3 /3 variables (removed 0) and now considering 2/2 (removed 0) transitions.
[2024-06-01 00:55:59] [INFO ] Invariant cache hit.
[2024-06-01 00:55:59] [INFO ] Implicit Places using invariants in 21 ms returned []
[2024-06-01 00:55:59] [INFO ] Invariant cache hit.
[2024-06-01 00:55:59] [INFO ] State equation strengthened by 1 read => feed constraints.
[2024-06-01 00:55:59] [INFO ] Implicit Places using invariants and state equation in 25 ms returned []
Implicit Place search using SMT with State Equation took 48 ms to find 0 implicit places.
Running 1 sub problems to find dead transitions.
[2024-06-01 00:55:59] [INFO ] Invariant cache hit.
[2024-06-01 00:55:59] [INFO ] State equation strengthened by 1 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/1 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 1 (OVERLAPS) 1/2 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/2 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (OVERLAPS) 1/3 variables, 1/2 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/3 variables, 0/2 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (OVERLAPS) 1/4 variables, 3/5 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/4 variables, 0/5 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (OVERLAPS) 1/5 variables, 1/6 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/5 variables, 0/6 constraints. Problems are: Problem set: 0 solved, 1 unsolved
All remaining problems are real, not stopping.
At refinement iteration 9 (OVERLAPS) 0/5 variables, 0/6 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Real declared 5/5 variables, and 6 constraints, problems are : Problem set: 0 solved, 1 unsolved in 42 ms.
Refiners :[Positive P Invariants (semi-flows): 2/2 constraints, State Equation: 3/3 constraints, ReadFeed: 1/1 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 1 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/1 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 1 (OVERLAPS) 1/2 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/2 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (OVERLAPS) 1/3 variables, 1/2 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/3 variables, 0/2 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (OVERLAPS) 1/4 variables, 3/5 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/4 variables, 1/6 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/4 variables, 0/6 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (OVERLAPS) 1/5 variables, 1/7 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/5 variables, 0/7 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (OVERLAPS) 0/5 variables, 0/7 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Int declared 5/5 variables, and 7 constraints, problems are : Problem set: 0 solved, 1 unsolved in 40 ms.
Refiners :[Positive P Invariants (semi-flows): 2/2 constraints, State Equation: 3/3 constraints, ReadFeed: 1/1 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 0/0 constraints]
After SMT, in 85ms problems are : Problem set: 0 solved, 1 unsolved
Search for dead transitions found 0 dead transitions in 85ms
Finished structural reductions in LTL mode , in 1 iterations and 134 ms. Remains : 3/3 places, 2/2 transitions.
Computed a total of 3 stabilizing places and 1 stable transitions
Graph (complete) has 3 edges and 3 vertex of which 2 are kept as prefixes of interest. Removing 1 places using SCC suffix rule.0 ms
Computed a total of 3 stabilizing places and 1 stable transitions
Detected a total of 3/3 stabilizing places and 1/2 transitions leading to convergence knowledge of the form 'F(Gp|G!p)' for 1/1 atomic propositions.
Knowledge obtained : [(NOT p0), (F (OR (G p0) (G (NOT p0))))]
False Knowledge obtained : []
Knowledge based reduction with 2 factoid took 110 ms. Reduced automaton from 4 states, 4 edges and 1 AP (stutter sensitive) to 4 states, 4 edges and 1 AP (stutter sensitive).
Stuttering acceptance computed with spot in 185 ms :[(NOT p0), (NOT p0), (NOT p0), (NOT p0)]
RANDOM walk for 4 steps (0 resets) in 4 ms. (0 steps per ms) remains 0/1 properties
Knowledge obtained : [(NOT p0), (F (OR (G p0) (G (NOT p0))))]
False Knowledge obtained : [(F p0)]
Knowledge based reduction with 2 factoid took 120 ms. Reduced automaton from 4 states, 4 edges and 1 AP (stutter sensitive) to 4 states, 4 edges and 1 AP (stutter sensitive).
Stuttering acceptance computed with spot in 172 ms :[(NOT p0), (NOT p0), (NOT p0), (NOT p0)]
Stuttering acceptance computed with spot in 178 ms :[(NOT p0), (NOT p0), (NOT p0), (NOT p0)]
[2024-06-01 00:56:00] [INFO ] Invariant cache hit.
[2024-06-01 00:56:00] [INFO ] [Real]Absence check using 2 positive place invariants in 1 ms returned sat
[2024-06-01 00:56:00] [INFO ] [Real]Absence check using state equation in 3 ms returned sat
[2024-06-01 00:56:00] [INFO ] State equation strengthened by 1 read => feed constraints.
[2024-06-01 00:56:00] [INFO ] [Real]Added 1 Read/Feed constraints in 1 ms returned sat
[2024-06-01 00:56:00] [INFO ] Computed and/alt/rep : 1/1/1 causal constraints (skipped 0 transitions) in 0 ms.
[2024-06-01 00:56:00] [INFO ] Added : 0 causal constraints over 0 iterations in 2 ms. Result :sat
Could not prove EG (NOT p0)
Stuttering acceptance computed with spot in 190 ms :[(NOT p0), (NOT p0), (NOT p0), (NOT p0)]
Product exploration explored 100000 steps with 25000 reset in 53 ms.
Product exploration explored 100000 steps with 25000 reset in 68 ms.
Applying partial POR strategy [true, false, false, false]
Stuttering acceptance computed with spot in 777 ms :[(NOT p0), (NOT p0), (NOT p0), (NOT p0)]
Support contains 1 out of 3 places. Attempting structural reductions.
Starting structural reductions in SI_LTL mode, iteration 0 : 3/3 places, 2/2 transitions.
Applied a total of 0 rules in 1 ms. Remains 3 /3 variables (removed 0) and now considering 2/2 (removed 0) transitions.
[2024-06-01 00:56:02] [INFO ] Redundant transitions in 0 ms returned []
Running 1 sub problems to find dead transitions.
[2024-06-01 00:56:02] [INFO ] Invariant cache hit.
[2024-06-01 00:56:02] [INFO ] State equation strengthened by 1 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/1 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 1 (OVERLAPS) 1/2 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/2 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (OVERLAPS) 1/3 variables, 1/2 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/3 variables, 0/2 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (OVERLAPS) 1/4 variables, 3/5 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/4 variables, 0/5 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (OVERLAPS) 1/5 variables, 1/6 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/5 variables, 0/6 constraints. Problems are: Problem set: 0 solved, 1 unsolved
All remaining problems are real, not stopping.
At refinement iteration 9 (OVERLAPS) 0/5 variables, 0/6 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Real declared 5/5 variables, and 6 constraints, problems are : Problem set: 0 solved, 1 unsolved in 46 ms.
Refiners :[Positive P Invariants (semi-flows): 2/2 constraints, State Equation: 3/3 constraints, ReadFeed: 1/1 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 1 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/1 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 1 (OVERLAPS) 1/2 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/2 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (OVERLAPS) 1/3 variables, 1/2 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/3 variables, 0/2 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (OVERLAPS) 1/4 variables, 3/5 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/4 variables, 1/6 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/4 variables, 0/6 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (OVERLAPS) 1/5 variables, 1/7 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/5 variables, 0/7 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (OVERLAPS) 0/5 variables, 0/7 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Int declared 5/5 variables, and 7 constraints, problems are : Problem set: 0 solved, 1 unsolved in 41 ms.
Refiners :[Positive P Invariants (semi-flows): 2/2 constraints, State Equation: 3/3 constraints, ReadFeed: 1/1 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 0/0 constraints]
After SMT, in 91ms problems are : Problem set: 0 solved, 1 unsolved
Search for dead transitions found 0 dead transitions in 91ms
Finished structural reductions in SI_LTL mode , in 1 iterations and 101 ms. Remains : 3/3 places, 2/2 transitions.
Support contains 1 out of 3 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 3/3 places, 2/2 transitions.
Applied a total of 0 rules in 0 ms. Remains 3 /3 variables (removed 0) and now considering 2/2 (removed 0) transitions.
[2024-06-01 00:56:02] [INFO ] Invariant cache hit.
[2024-06-01 00:56:02] [INFO ] Implicit Places using invariants in 23 ms returned []
[2024-06-01 00:56:02] [INFO ] Invariant cache hit.
[2024-06-01 00:56:02] [INFO ] State equation strengthened by 1 read => feed constraints.
[2024-06-01 00:56:02] [INFO ] Implicit Places using invariants and state equation in 27 ms returned []
Implicit Place search using SMT with State Equation took 52 ms to find 0 implicit places.
Running 1 sub problems to find dead transitions.
[2024-06-01 00:56:02] [INFO ] Invariant cache hit.
[2024-06-01 00:56:02] [INFO ] State equation strengthened by 1 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/1 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 1 (OVERLAPS) 1/2 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/2 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (OVERLAPS) 1/3 variables, 1/2 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/3 variables, 0/2 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (OVERLAPS) 1/4 variables, 3/5 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/4 variables, 0/5 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (OVERLAPS) 1/5 variables, 1/6 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/5 variables, 0/6 constraints. Problems are: Problem set: 0 solved, 1 unsolved
All remaining problems are real, not stopping.
At refinement iteration 9 (OVERLAPS) 0/5 variables, 0/6 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Real declared 5/5 variables, and 6 constraints, problems are : Problem set: 0 solved, 1 unsolved in 42 ms.
Refiners :[Positive P Invariants (semi-flows): 2/2 constraints, State Equation: 3/3 constraints, ReadFeed: 1/1 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 1 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/1 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 1 (OVERLAPS) 1/2 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/2 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (OVERLAPS) 1/3 variables, 1/2 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/3 variables, 0/2 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (OVERLAPS) 1/4 variables, 3/5 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/4 variables, 1/6 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/4 variables, 0/6 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (OVERLAPS) 1/5 variables, 1/7 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/5 variables, 0/7 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (OVERLAPS) 0/5 variables, 0/7 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Int declared 5/5 variables, and 7 constraints, problems are : Problem set: 0 solved, 1 unsolved in 42 ms.
Refiners :[Positive P Invariants (semi-flows): 2/2 constraints, State Equation: 3/3 constraints, ReadFeed: 1/1 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 0/0 constraints]
After SMT, in 87ms problems are : Problem set: 0 solved, 1 unsolved
Search for dead transitions found 0 dead transitions in 87ms
Finished structural reductions in LTL mode , in 1 iterations and 139 ms. Remains : 3/3 places, 2/2 transitions.
Treatment of property DLCflexbar-PT-6a-LTLCardinality-14 finished in 3719 ms.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202405141337/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!(F(G(p0)))'
[2024-06-01 00:56:02] [INFO ] Flatten gal took : 65 ms
[2024-06-01 00:56:02] [INFO ] Export to MCC of 2 properties in file /home/mcc/execution/LTLCardinality.sr.xml took 4 ms.
[2024-06-01 00:56:02] [INFO ] Export to PNML in file /home/mcc/execution/model.sr.pnml of net with 511 places, 905 transitions and 1925 arcs took 13 ms.
Total runtime 488098 ms.
There are residual formulas that ITS could not solve within timeout
FORMULA DLCflexbar-PT-6a-LTLCardinality-14 TRUE TECHNIQUES EXPLICIT PARALLEL_PROCESSING USE_NUPN
FORMULA DLCflexbar-PT-6a-LTLCardinality-15 TRUE TECHNIQUES EXPLICIT PARALLEL_PROCESSING USE_NUPN

BK_STOP 1717203423309

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

+ ulimit -s 65536
+ [[ -z '' ]]
+ export LTSMIN_MEM_SIZE=8589934592
+ LTSMIN_MEM_SIZE=8589934592
+ export PYTHONPATH=/home/mcc/BenchKit/itstools/pylibs
+ PYTHONPATH=/home/mcc/BenchKit/itstools/pylibs
+ export LD_LIBRARY_PATH=/home/mcc/BenchKit/itstools/pylibs:
+ LD_LIBRARY_PATH=/home/mcc/BenchKit/itstools/pylibs:
++ sed s/.jar//
++ ls /home/mcc/BenchKit/bin//../reducer/bin//../../itstools//itstools/plugins/fr.lip6.move.gal.application.pnmcc_1.0.0.202405141337.jar
++ perl -pe 's/.*\.//g'
+ VERSION=202405141337
+ echo 'Running Version 202405141337'
+ /home/mcc/BenchKit/bin//../reducer/bin//../../itstools//itstools/its-tools -pnfolder /home/mcc/execution -examination LTLCardinality -timeout 360 -rebuildPNML
mcc2024
ltl formula name DLCflexbar-PT-6a-LTLCardinality-14
ltl formula formula --ltl=/tmp/1343/ltl_0_
pnml2lts-mc( 0/ 4): Loading model from model.pnml
pnml2lts-mc( 0/ 4): Edge label is id
Warning: program compiled against libxml 210 using older 209
Warning: program compiled against libxml 210 using older 209
Warning: program compiled against libxml 210 using older 209
Warning: program compiled against libxml 210 using older 209
pnml2lts-mc( 0/ 4): Petri net has 511 places, 905 transitions and 1925 arcs
pnml2lts-mc( 0/ 4): Petri net Petri analyzed
pnml2lts-mc( 0/ 4): There are no safe places
pnml2lts-mc( 0/ 4): Loading Petri net took 0.140 real 0.050 user 0.040 sys
pnml2lts-mc( 0/ 4): LTL layer: formula: /tmp/1343/ltl_0_
pnml2lts-mc( 1/ 4): LTL layer: formula: /tmp/1343/ltl_0_
pnml2lts-mc( 3/ 4): LTL layer: formula: /tmp/1343/ltl_0_
pnml2lts-mc( 2/ 4): LTL layer: formula: /tmp/1343/ltl_0_
pnml2lts-mc( 0/ 4): buchi has 4 states
pnml2lts-mc( 0/ 4): Weak Buchi automaton detected, adding non-accepting as progress label.
pnml2lts-mc( 0/ 4): There are 489 state labels and 1 edge labels
pnml2lts-mc( 0/ 4): State length is 512, there are 910 groups
pnml2lts-mc( 0/ 4): Running ufscc using 4 cores
pnml2lts-mc( 0/ 4): Using a tree table with 2^25 elements
pnml2lts-mc( 0/ 4): Successor permutation: dynamic
pnml2lts-mc( 0/ 4): Global bits: 0, count bits: 0, local bits: 0
pnml2lts-mc( 0/ 4): ~4 levels ~10000 states ~17172 transitions
pnml2lts-mc( 0/ 4): ~4 levels ~20000 states ~34316 transitions
pnml2lts-mc( 0/ 4):
pnml2lts-mc( 0/ 4): Empty product with LTL!
pnml2lts-mc( 0/ 4):
pnml2lts-mc( 0/ 4):
pnml2lts-mc( 0/ 4): total scc count: 36167
pnml2lts-mc( 0/ 4): unique states count: 36167
pnml2lts-mc( 0/ 4): unique transitions count: 96537
pnml2lts-mc( 0/ 4): - self-loop count: 0
pnml2lts-mc( 0/ 4): - claim dead count: 62144
pnml2lts-mc( 0/ 4): - claim found count: 0
pnml2lts-mc( 0/ 4): - claim success count: 36224
pnml2lts-mc( 0/ 4): - cum. max stack depth: 16
pnml2lts-mc( 0/ 4):
pnml2lts-mc( 0/ 4): Explored 36224 states 104770 transitions, fanout: 2.892
pnml2lts-mc( 0/ 4): Total exploration time 1.530 sec (1.530 sec minimum, 1.530 sec on average)
pnml2lts-mc( 0/ 4): States per second: 23676, Transitions per second: 68477
pnml2lts-mc( 0/ 4):
pnml2lts-mc( 0/ 4): Queue width: 12B, total height: 0, memory: 0.00MB
pnml2lts-mc( 0/ 4): Tree memory: 0.5MB, 15.8 B/state, compr.: 0.8%
pnml2lts-mc( 0/ 4): Tree fill ratio (roots/leafs): 0.0%/0.0%
pnml2lts-mc( 0/ 4): Stored 917 string chucks using 0MB
pnml2lts-mc( 0/ 4): Total memory used for chunk indexing: 0MB
pnml2lts-mc( 0/ 4): Est. total memory use: 0.5MB (~256.0MB paged-in)
ltl formula name DLCflexbar-PT-6a-LTLCardinality-15
ltl formula formula --ltl=/tmp/1343/ltl_1_
pnml2lts-mc( 0/ 4): Loading model from model.pnml
pnml2lts-mc( 0/ 4): Edge label is id
Warning: program compiled against libxml 210 using older 209
Warning: program compiled against libxml 210 using older 209
Warning: program compiled against libxml 210 using older 209
Warning: program compiled against libxml 210 using older 209
pnml2lts-mc( 0/ 4): Petri net has 511 places, 905 transitions and 1925 arcs
pnml2lts-mc( 0/ 4): Petri net Petri analyzed
pnml2lts-mc( 0/ 4): There are no safe places
pnml2lts-mc( 0/ 4): Loading Petri net took 0.100 real 0.020 user 0.030 sys
pnml2lts-mc( 3/ 4): LTL layer: formula: /tmp/1343/ltl_1_
pnml2lts-mc( 0/ 4): LTL layer: formula: /tmp/1343/ltl_1_
pnml2lts-mc( 1/ 4): LTL layer: formula: /tmp/1343/ltl_1_
pnml2lts-mc( 2/ 4): LTL layer: formula: /tmp/1343/ltl_1_
pnml2lts-mc( 0/ 4): buchi has 2 states
pnml2lts-mc( 0/ 4): There are 488 state labels and 1 edge labels
pnml2lts-mc( 0/ 4): State length is 512, there are 917 groups
pnml2lts-mc( 0/ 4): Running ufscc using 4 cores
pnml2lts-mc( 0/ 4): Using a tree table with 2^25 elements
pnml2lts-mc( 0/ 4): Successor permutation: dynamic
pnml2lts-mc( 0/ 4): Global bits: 0, count bits: 0, local bits: 0
pnml2lts-mc( 1/ 4): ~2500 levels ~10000 states ~4209168 transitions
pnml2lts-mc( 3/ 4): ~5000 levels ~20000 states ~8127312 transitions
pnml2lts-mc( 3/ 4): ~10000 levels ~40000 states ~15522176 transitions
pnml2lts-mc( 3/ 4): ~20000 levels ~80000 states ~29959768 transitions
pnml2lts-mc( 3/ 4): ~40000 levels ~160000 states ~58681008 transitions
pnml2lts-mc( 2/ 4): Error: tree roots table full! Change -s/--ratio.
pnml2lts-mc( 0/ 4):
pnml2lts-mc( 0/ 4): total scc count: 0
pnml2lts-mc( 0/ 4): unique states count: 256292
pnml2lts-mc( 0/ 4): unique transitions count: 98934703
pnml2lts-mc( 0/ 4): - self-loop count: 26379254
pnml2lts-mc( 0/ 4): - claim dead count: 0
pnml2lts-mc( 0/ 4): - claim found count: 2482902
pnml2lts-mc( 0/ 4): - claim success count: 256298
pnml2lts-mc( 0/ 4): - cum. max stack depth: 256298
pnml2lts-mc( 0/ 4):
pnml2lts-mc( 0/ 4): Explored 256298 states 98936508 transitions, fanout: 386.021
pnml2lts-mc( 0/ 4): Total exploration time 57.600 sec (51.500 sec minimum, 54.597 sec on average)
pnml2lts-mc( 0/ 4): States per second: 4450, Transitions per second: 1717648
pnml2lts-mc( 0/ 4):
pnml2lts-mc( 0/ 4): Queue width: 12B, total height: 0, memory: 0.00MB
pnml2lts-mc( 0/ 4): Tree memory: 264.7MB, 8.3 B/state, compr.: 0.4%
pnml2lts-mc( 0/ 4): Tree fill ratio (roots/leafs): 100.0%/13.0%
pnml2lts-mc( 0/ 4): Stored 917 string chucks using 0MB
pnml2lts-mc( 0/ 4): Total memory used for chunk indexing: 0MB
pnml2lts-mc( 0/ 4): Est. total memory use: 264.7MB (~256.0MB paged-in)

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="DLCflexbar-PT-6a"
export BK_EXAMINATION="LTLCardinality"
export BK_TOOL="ltsminxred"
export BK_RESULT_DIR="/tmp/BK_RESULTS/OUTPUTS"
export BK_TIME_CONFINEMENT="3600"
export BK_MEMORY_CONFINEMENT="16384"
export BK_BIN_PATH="/home/mcc/BenchKit/bin/"

# this is specific to your benchmark or test

export BIN_DIR="$HOME/BenchKit/bin"

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

# this is for BenchKit: explicit launching of the test
echo "====================================================================="
echo " Generated by BenchKit 2-5568"
echo " Executing tool ltsminxred"
echo " Input is DLCflexbar-PT-6a, examination is LTLCardinality"
echo " Time confinement is $BK_TIME_CONFINEMENT seconds"
echo " Memory confinement is 16384 MBytes"
echo " Number of cores is 4"
echo " Run identifier is r484-smll-171624275200067"
echo "====================================================================="
echo
echo "--------------------"
echo "preparation of the directory to be used:"

tar xzf /home/mcc/BenchKit/INPUTS/DLCflexbar-PT-6a.tgz
mv DLCflexbar-PT-6a execution
cd execution
if [ "LTLCardinality" = "ReachabilityDeadlock" ] || [ "LTLCardinality" = "UpperBounds" ] || [ "LTLCardinality" = "QuasiLiveness" ] || [ "LTLCardinality" = "StableMarking" ] || [ "LTLCardinality" = "Liveness" ] || [ "LTLCardinality" = "OneSafe" ] || [ "LTLCardinality" = "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 [ "LTLCardinality" = "UpperBounds" ] ; then
echo "The expected result is a vector of positive values"
echo NUM_VECTOR
elif [ "LTLCardinality" != "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 "LTLCardinality.txt" ] ; then
echo "here is the order used to build the result vector(from text file)"
for x in $(grep Property LTLCardinality.txt | cut -d ' ' -f 2 | sort -u) ; do
echo "FORMULA_NAME $x"
done
elif [ -f "LTLCardinality.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 '' LTLCardinality.xml | cut -d '>' -f 2 | cut -d '<' -f 1 | sort -u) ; do
echo "FORMULA_NAME $x"
done
elif [ "LTLCardinality" = "ReachabilityDeadlock" ] || [ "LTLCardinality" = "QuasiLiveness" ] || [ "LTLCardinality" = "StableMarking" ] || [ "LTLCardinality" = "Liveness" ] || [ "LTLCardinality" = "OneSafe" ] ; then
echo "FORMULA_NAME LTLCardinality"
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 ;