About the Execution of ITS-Tools for MultiCrashLeafsetExtension-PT-S24C03
| Execution Summary | |||||
| Max Memory Used (MB) |
Time wait (ms) | CPU Usage (ms) | I/O Wait (ms) | Computed Result | Execution Status |
| 1313.695 | 239558.00 | 283368.00 | 5517.80 | FTFTTFFTTFFFFFFT | normal |
Execution Chart
We display below the execution chart for this examination (boot time has been removed).
Trace from the execution
Formatting '/data/fkordon/mcc2022-input.r132-tall-165271821300715.qcow2', fmt=qcow2 size=4294967296 backing_file=/data/fkordon/mcc2022-input.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 2-4028
Executing tool itstools
Input is MultiCrashLeafsetExtension-PT-S24C03, examination is LTLCardinality
Time confinement is 3600 seconds
Memory confinement is 16384 MBytes
Number of cores is 4
Run identifier is r132-tall-165271821300715
=====================================================================
--------------------
preparation of the directory to be used:
/home/mcc/execution
total 9.1M
-rw-r--r-- 1 mcc users 12K Apr 29 16:46 CTLCardinality.txt
-rw-r--r-- 1 mcc users 77K Apr 29 16:46 CTLCardinality.xml
-rw-r--r-- 1 mcc users 11K Apr 29 16:39 CTLFireability.txt
-rw-r--r-- 1 mcc users 57K Apr 29 16:39 CTLFireability.xml
-rw-r--r-- 1 mcc users 6.8K May 9 08:15 LTLCardinality.txt
-rw-r--r-- 1 mcc users 27K May 9 08:15 LTLCardinality.xml
-rw-r--r-- 1 mcc users 4.4K May 9 08:15 LTLFireability.txt
-rw-r--r-- 1 mcc users 20K May 9 08:15 LTLFireability.xml
-rw-r--r-- 1 mcc users 2.5K May 9 08:15 UpperBounds.txt
-rw-r--r-- 1 mcc users 4.5K May 9 08:15 UpperBounds.xml
-rw-r--r-- 1 mcc users 6 May 10 09:34 equiv_col
-rw-r--r-- 1 mcc users 7 May 10 09:34 instance
-rw-r--r-- 1 mcc users 6 May 10 09:34 iscolored
-rw-r--r-- 1 mcc users 8.8M May 10 09:34 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 MultiCrashLeafsetExtension-PT-S24C03-LTLCardinality-00
FORMULA_NAME MultiCrashLeafsetExtension-PT-S24C03-LTLCardinality-01
FORMULA_NAME MultiCrashLeafsetExtension-PT-S24C03-LTLCardinality-02
FORMULA_NAME MultiCrashLeafsetExtension-PT-S24C03-LTLCardinality-03
FORMULA_NAME MultiCrashLeafsetExtension-PT-S24C03-LTLCardinality-04
FORMULA_NAME MultiCrashLeafsetExtension-PT-S24C03-LTLCardinality-05
FORMULA_NAME MultiCrashLeafsetExtension-PT-S24C03-LTLCardinality-06
FORMULA_NAME MultiCrashLeafsetExtension-PT-S24C03-LTLCardinality-07
FORMULA_NAME MultiCrashLeafsetExtension-PT-S24C03-LTLCardinality-08
FORMULA_NAME MultiCrashLeafsetExtension-PT-S24C03-LTLCardinality-09
FORMULA_NAME MultiCrashLeafsetExtension-PT-S24C03-LTLCardinality-10
FORMULA_NAME MultiCrashLeafsetExtension-PT-S24C03-LTLCardinality-11
FORMULA_NAME MultiCrashLeafsetExtension-PT-S24C03-LTLCardinality-12
FORMULA_NAME MultiCrashLeafsetExtension-PT-S24C03-LTLCardinality-13
FORMULA_NAME MultiCrashLeafsetExtension-PT-S24C03-LTLCardinality-14
FORMULA_NAME MultiCrashLeafsetExtension-PT-S24C03-LTLCardinality-15
=== Now, execution of the tool begins
BK_START 1652840325935
Running Version 202205111006
[2022-05-18 02:18:47] [INFO ] Running its-tools with arguments : [-pnfolder, /home/mcc/execution, -examination, LTLCardinality, -spotpath, /home/mcc/BenchKit/bin//..//ltlfilt, -z3path, /home/mcc/BenchKit/bin//..//z3/bin/z3, -yices2path, /home/mcc/BenchKit/bin//..//yices/bin/yices, -its, -ltsmin, -greatspnpath, /home/mcc/BenchKit/bin//..//greatspn/, -order, META, -manyOrder, -smt, -timeout, 3600]
[2022-05-18 02:18:47] [INFO ] Parsing pnml file : /home/mcc/execution/model.pnml
[2022-05-18 02:18:48] [INFO ] Load time of PNML (sax parser for PT used): 1174 ms
[2022-05-18 02:18:48] [INFO ] Transformed 8390 places.
[2022-05-18 02:18:48] [INFO ] Transformed 12757 transitions.
[2022-05-18 02:18:48] [INFO ] Parsed PT model containing 8390 places and 12757 transitions in 1360 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 4 formulas.
FORMULA MultiCrashLeafsetExtension-PT-S24C03-LTLCardinality-00 FALSE TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA MultiCrashLeafsetExtension-PT-S24C03-LTLCardinality-03 TRUE TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA MultiCrashLeafsetExtension-PT-S24C03-LTLCardinality-04 TRUE TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA MultiCrashLeafsetExtension-PT-S24C03-LTLCardinality-05 FALSE TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA MultiCrashLeafsetExtension-PT-S24C03-LTLCardinality-08 TRUE TECHNIQUES TOPOLOGICAL INITIAL_STATE
Support contains 37 out of 8390 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 8390/8390 places, 12757/12757 transitions.
Reduce places removed 34 places and 0 transitions.
Iterating post reduction 0 with 34 rules applied. Total rules applied 34 place count 8356 transition count 12757
Discarding 1787 places :
Symmetric choice reduction at 1 with 1787 rule applications. Total rules 1821 place count 6569 transition count 10970
Iterating global reduction 1 with 1787 rules applied. Total rules applied 3608 place count 6569 transition count 10970
Discarding 1635 places :
Symmetric choice reduction at 1 with 1635 rule applications. Total rules 5243 place count 4934 transition count 9335
Iterating global reduction 1 with 1635 rules applied. Total rules applied 6878 place count 4934 transition count 9335
Discarding 534 places :
Symmetric choice reduction at 1 with 534 rule applications. Total rules 7412 place count 4400 transition count 7733
Iterating global reduction 1 with 534 rules applied. Total rules applied 7946 place count 4400 transition count 7733
Applied a total of 7946 rules in 3175 ms. Remains 4400 /8390 variables (removed 3990) and now considering 7733/12757 (removed 5024) transitions.
[2022-05-18 02:18:51] [INFO ] Flow matrix only has 7133 transitions (discarded 600 similar events)
// Phase 1: matrix 7133 rows 4400 cols
[2022-05-18 02:18:52] [INFO ] Computed 833 place invariants in 544 ms
[2022-05-18 02:18:55] [INFO ] Implicit Places using invariants in 3792 ms returned []
[2022-05-18 02:18:55] [INFO ] Flow matrix only has 7133 transitions (discarded 600 similar events)
// Phase 1: matrix 7133 rows 4400 cols
[2022-05-18 02:18:55] [INFO ] Computed 833 place invariants in 173 ms
[2022-05-18 02:19:02] [INFO ] Implicit Places using invariants and state equation in 6858 ms returned [4, 8, 14, 16, 18, 23, 30, 39, 50, 65, 80, 97, 116, 137, 160, 184, 208, 210, 212, 214, 235, 254, 271, 286, 299, 310, 319, 326, 331, 334, 349, 356, 359, 361, 362, 365, 370, 377, 386, 397, 410, 425, 442, 461, 482, 506, 528, 529, 530, 531, 550, 567, 582, 595, 606, 615, 622, 627, 630, 632, 647, 654, 657, 658, 659, 660, 662, 665, 670, 677, 686, 697, 710, 725, 742, 761, 781, 801, 802, 803, 804, 821, 836, 849, 860, 869, 876, 881, 884, 886, 888, 903, 910, 913, 914, 915, 916, 918, 920, 923, 928, 935, 944, 955, 968, 983, 1000, 1018, 1036, 1037, 1039, 1054, 1067, 1078, 1089, 1096, 1101, 1104, 1106, 1108, 1110, 1125, 1132, 1135, 1136, 1137, 1138, 1140, 1142, 1144, 1147, 1152, 1159, 1168, 1179, 1192, 1207, 1223, 1239, 1240, 1241, 1242, 1255, 1266, 1275, 1282, 1287, 1290, 1292, 1294, 1296, 1298, 1313, 1320, 1323, 1324, 1326, 1328, 1330, 1332, 1336, 1339, 1344, 1351, 1360, 1371, 1384, 1398, 1412, 1413, 1414, 1415, 1426, 1435, 1442, 1447, 1450, 1452, 1454, 1456, 1458, 1460, 1475, 1482, 1485, 1486, 1488, 1490, 1492, 1497, 1499, 1501, 1504, 1509, 1516, 1525, 1536, 1548, 1560, 1561, 1562, 1563, 1572, 1579, 1584, 1587, 1589, 1591, 1593, 1595, 1597, 1599, 1614, 1621, 1624, 1625, 1626, 1627, 1629, 1631, 1633, 1635, 1637, 1639, 1642, 1647, 1654, 1663, 1673, 1683, 1684, 1685, 1686, 1693, 1698, 1701, 1703, 1705, 1707, 1709, 1711, 1713, 1715, 1730, 1737, 1741, 1742, 1743, 1745, 1747, 1749, 1751, 1753, 1755, 1757, 1760, 1767, 1775, 1783, 1791, 1792, 1793, 1794, 1799, 1802, 1804, 1806, 1808, 1810, 1812, 1814, 1816, 1818, 1833, 1840, 1843, 1845, 1846, 1848, 1850, 1852, 1854, 1856, 1858, 1863, 1865, 1868, 1873, 1879, 1885, 1886, 1887, 1888, 1891, 1893, 1895, 1897, 1899, 1901, 1903, 1905, 1907, 1909, 1924, 1931, 1934, 1935, 1936, 1937, 1939, 1941, 1943, 1945, 1947, 1949, 1951, 1953, 1955, 1958, 1962, 1966, 1967, 1968, 1969, 1971, 1973, 1975, 1977, 1979, 1981, 1983, 1985, 1987, 1989, 2004, 2011, 2014, 2016, 2017, 2019, 2021, 2023, 2025, 2027, 2029, 2031, 2033, 2035, 2037, 2039, 2042, 2043, 2044, 2045, 2047, 2049, 2051, 2053, 2055, 2057, 2059, 2061, 2063, 2065, 2080, 2082, 2086, 2089, 2090, 2091, 2092, 2094, 2096, 2098, 2100, 2102, 2104, 2106, 2108, 2110, 2112, 2114, 2117, 2118, 2119, 2120, 2122, 2124, 2126, 2128, 2130, 2132, 2134, 2136, 2138, 2140, 2155, 2162, 2165, 2166, 2167, 2168, 2170, 2172, 2174, 2176, 2178, 2180, 2182, 2184, 2186, 2188, 2190, 2193, 2194, 2195, 2196, 2198, 2200, 2202, 2204, 2206, 2208, 2210, 2212, 2214, 2216, 2231, 2238, 2241, 2242, 2243, 2244, 2246, 2248, 2250, 2252, 2254, 2256, 2258, 2260, 2262, 2264, 2267, 2272, 2273, 2275, 2278, 2280, 2282, 2284, 2286, 2288, 2290, 2294, 2296, 2298, 2313, 2320, 2324, 2325, 2326, 2331, 2333, 2335, 2337, 2339, 2341, 2343, 2345, 2347, 2350, 2355, 2362, 2363, 2364, 2365, 2373, 2375, 2377, 2379, 2381, 2383, 2385, 2387, 2389, 2404, 2411, 2414, 2415, 2416, 2417, 2419, 2421, 2423, 2425, 2427, 2429, 2431, 2433, 2436, 2441, 2448, 2457, 2458, 2459, 2460, 2467, 2472, 2475, 2477, 2479, 2481, 2483, 2485, 2487, 2489, 2504, 2511, 2514, 2515, 2516, 2517, 2521, 2523, 2525, 2527, 2529, 2531, 2534, 2539, 2546, 2555, 2566, 2567, 2568, 2569, 2578, 2585, 2590, 2593, 2595, 2597, 2599, 2601, 2603, 2605, 2620, 2627, 2630, 2631, 2632, 2633, 2635, 2637, 2639, 2641, 2643, 2645, 2648, 2653, 2660, 2669, 2680, 2693, 2694, 2696, 2707, 2716, 2723, 2728, 2734, 2736, 2738, 2740, 2742, 2744, 2759, 2766, 2769, 2770, 2772, 2776, 2778, 2780, 2782, 2784, 2787, 2792, 2799, 2808, 2819, 2832, 2847, 2848, 2849, 2850, 2863, 2874, 2883, 2890, 2895, 2898, 2900, 2902, 2904, 2906, 2921, 2928, 2932, 2933, 2934, 2936, 2938, 2940, 2942, 2945, 2950, 2960, 2969, 2980, 2993, 3008, 3025, 3026, 3027, 3028, 3043, 3056, 3067, 3076, 3083, 3088, 3091, 3093, 3095, 3097, 3112, 3119, 3122, 3123, 3124, 3125, 3127, 3129, 3131, 3134, 3139, 3146, 3155, 3166, 3179, 3194, 3211, 3230, 3231, 3232, 3233, 3250, 3265, 3278, 3289, 3298, 3305, 3310, 3313, 3315, 3317, 3332, 3339, 3344, 3345, 3346, 3350, 3352, 3355, 3360, 3367, 3376, 3387, 3400, 3415, 3432, 3451, 3474, 3475, 3494, 3511, 3526, 3539, 3550, 3559, 3566, 3571, 3574, 3579, 3596, 3603, 3606, 3607, 3608, 3609, 3611, 3614, 3619, 3626, 3635, 3646, 3659, 3674, 3691, 3710, 3731, 3754, 3755, 3756, 3757, 3778, 3797, 3814, 3829, 3842, 3853, 3862, 3869, 3874, 3877, 3892, 3894, 3898, 3901, 3902, 3903, 3904, 3907, 3912, 3919, 3928, 3939, 3952, 3967, 3984, 4003, 4024, 4047, 4072, 4073, 4074, 4075, 4098, 4119, 4138, 4155, 4170, 4183, 4194, 4203, 4210, 4215, 4231]
Discarding 760 places :
Implicit Place search using SMT with State Equation took 10724 ms to find 760 implicit places.
Starting structural reductions in LTL mode, iteration 1 : 3640/8390 places, 7733/12757 transitions.
Discarding 127 places :
Symmetric choice reduction at 0 with 127 rule applications. Total rules 127 place count 3513 transition count 7606
Iterating global reduction 0 with 127 rules applied. Total rules applied 254 place count 3513 transition count 7606
Discarding 125 places :
Symmetric choice reduction at 0 with 125 rule applications. Total rules 379 place count 3388 transition count 7481
Iterating global reduction 0 with 125 rules applied. Total rules applied 504 place count 3388 transition count 7481
Discarding 124 places :
Symmetric choice reduction at 0 with 124 rule applications. Total rules 628 place count 3264 transition count 7357
Iterating global reduction 0 with 124 rules applied. Total rules applied 752 place count 3264 transition count 7357
Discarding 30 places :
Symmetric choice reduction at 0 with 30 rule applications. Total rules 782 place count 3234 transition count 7267
Iterating global reduction 0 with 30 rules applied. Total rules applied 812 place count 3234 transition count 7267
Applied a total of 812 rules in 1490 ms. Remains 3234 /3640 variables (removed 406) and now considering 7267/7733 (removed 466) transitions.
[2022-05-18 02:19:04] [INFO ] Flow matrix only has 6667 transitions (discarded 600 similar events)
// Phase 1: matrix 6667 rows 3234 cols
[2022-05-18 02:19:04] [INFO ] Computed 73 place invariants in 205 ms
[2022-05-18 02:19:08] [INFO ] Implicit Places using invariants in 4211 ms returned [1565]
Discarding 1 places :
Implicit Place search using SMT only with invariants took 4223 ms to find 1 implicit places.
Starting structural reductions in LTL mode, iteration 2 : 3233/8390 places, 7267/12757 transitions.
Discarding 1 places :
Symmetric choice reduction at 0 with 1 rule applications. Total rules 1 place count 3232 transition count 7266
Iterating global reduction 0 with 1 rules applied. Total rules applied 2 place count 3232 transition count 7266
Discarding 1 places :
Symmetric choice reduction at 0 with 1 rule applications. Total rules 3 place count 3231 transition count 7265
Iterating global reduction 0 with 1 rules applied. Total rules applied 4 place count 3231 transition count 7265
Discarding 1 places :
Symmetric choice reduction at 0 with 1 rule applications. Total rules 5 place count 3230 transition count 7264
Iterating global reduction 0 with 1 rules applied. Total rules applied 6 place count 3230 transition count 7264
Discarding 1 places :
Symmetric choice reduction at 0 with 1 rule applications. Total rules 7 place count 3229 transition count 7261
Iterating global reduction 0 with 1 rules applied. Total rules applied 8 place count 3229 transition count 7261
Applied a total of 8 rules in 1728 ms. Remains 3229 /3233 variables (removed 4) and now considering 7261/7267 (removed 6) transitions.
[2022-05-18 02:19:10] [INFO ] Flow matrix only has 6661 transitions (discarded 600 similar events)
// Phase 1: matrix 6661 rows 3229 cols
[2022-05-18 02:19:10] [INFO ] Computed 72 place invariants in 170 ms
[2022-05-18 02:19:14] [INFO ] Implicit Places using invariants in 4335 ms returned []
[2022-05-18 02:19:14] [INFO ] Flow matrix only has 6661 transitions (discarded 600 similar events)
// Phase 1: matrix 6661 rows 3229 cols
[2022-05-18 02:19:14] [INFO ] Computed 72 place invariants in 160 ms
[2022-05-18 02:19:15] [INFO ] State equation strengthened by 2672 read => feed constraints.
[2022-05-18 02:19:28] [INFO ] Implicit Places using invariants and state equation in 14061 ms returned []
Implicit Place search using SMT with State Equation took 18415 ms to find 0 implicit places.
Starting structural reductions in LTL mode, iteration 3 : 3229/8390 places, 7261/12757 transitions.
Finished structural reductions, in 3 iterations. Remains : 3229/8390 places, 7261/12757 transitions.
Support contains 37 out of 3229 places after structural reductions.
[2022-05-18 02:19:29] [INFO ] Flatten gal took : 395 ms
[2022-05-18 02:19:29] [INFO ] Flatten gal took : 335 ms
[2022-05-18 02:19:29] [INFO ] Input system was already deterministic with 7261 transitions.
Incomplete random walk after 10000 steps, including 318 resets, run finished after 769 ms. (steps per millisecond=13 ) properties (out of 23) seen :5
Incomplete Best-First random walk after 1000 steps, including 5 resets, run finished after 10 ms. (steps per millisecond=100 ) properties (out of 18) seen :0
Incomplete Best-First random walk after 1001 steps, including 5 resets, run finished after 10 ms. (steps per millisecond=100 ) properties (out of 18) seen :0
Incomplete Best-First random walk after 1000 steps, including 5 resets, run finished after 10 ms. (steps per millisecond=100 ) properties (out of 18) seen :0
Incomplete Best-First random walk after 1001 steps, including 5 resets, run finished after 10 ms. (steps per millisecond=100 ) properties (out of 18) seen :1
Incomplete Best-First random walk after 1000 steps, including 5 resets, run finished after 10 ms. (steps per millisecond=100 ) properties (out of 17) seen :0
Incomplete Best-First random walk after 1000 steps, including 5 resets, run finished after 9 ms. (steps per millisecond=111 ) properties (out of 17) seen :0
Incomplete Best-First random walk after 1001 steps, including 5 resets, run finished after 9 ms. (steps per millisecond=111 ) properties (out of 17) seen :0
Incomplete Best-First random walk after 1001 steps, including 5 resets, run finished after 10 ms. (steps per millisecond=100 ) properties (out of 17) seen :0
Incomplete Best-First random walk after 1000 steps, including 5 resets, run finished after 9 ms. (steps per millisecond=111 ) properties (out of 17) seen :0
Incomplete Best-First random walk after 1000 steps, including 5 resets, run finished after 10 ms. (steps per millisecond=100 ) properties (out of 17) seen :0
Incomplete Best-First random walk after 1001 steps, including 5 resets, run finished after 9 ms. (steps per millisecond=111 ) properties (out of 17) seen :0
Incomplete Best-First random walk after 1000 steps, including 5 resets, run finished after 9 ms. (steps per millisecond=111 ) properties (out of 17) seen :0
Incomplete Best-First random walk after 1000 steps, including 5 resets, run finished after 10 ms. (steps per millisecond=100 ) properties (out of 17) seen :0
Incomplete Best-First random walk after 1001 steps, including 5 resets, run finished after 7 ms. (steps per millisecond=143 ) properties (out of 17) seen :0
Incomplete Best-First random walk after 1001 steps, including 5 resets, run finished after 8 ms. (steps per millisecond=125 ) properties (out of 17) seen :0
Incomplete Best-First random walk after 1001 steps, including 5 resets, run finished after 9 ms. (steps per millisecond=111 ) properties (out of 17) seen :0
Incomplete Best-First random walk after 1001 steps, including 5 resets, run finished after 8 ms. (steps per millisecond=125 ) properties (out of 17) seen :0
Incomplete Best-First random walk after 1000 steps, including 5 resets, run finished after 8 ms. (steps per millisecond=125 ) properties (out of 17) seen :0
Running SMT prover for 17 properties.
[2022-05-18 02:19:30] [INFO ] Flow matrix only has 6661 transitions (discarded 600 similar events)
// Phase 1: matrix 6661 rows 3229 cols
[2022-05-18 02:19:31] [INFO ] Computed 72 place invariants in 176 ms
[2022-05-18 02:19:32] [INFO ] After 1231ms SMT Verify possible using all constraints in real domain returned unsat :0 sat :0 real:17
[2022-05-18 02:19:33] [INFO ] [Nat]Absence check using 47 positive place invariants in 64 ms returned sat
[2022-05-18 02:19:33] [INFO ] [Nat]Absence check using 47 positive and 25 generalized place invariants in 30 ms returned sat
[2022-05-18 02:19:40] [INFO ] After 6636ms SMT Verify possible using state equation in natural domain returned unsat :7 sat :10
[2022-05-18 02:19:40] [INFO ] State equation strengthened by 2672 read => feed constraints.
[2022-05-18 02:19:47] [INFO ] After 6710ms SMT Verify possible using 2672 Read/Feed constraints in natural domain returned unsat :12 sat :5
[2022-05-18 02:19:50] [INFO ] Deduced a trap composed of 156 places in 2325 ms of which 73 ms to minimize.
[2022-05-18 02:19:53] [INFO ] Deduced a trap composed of 251 places in 2419 ms of which 12 ms to minimize.
[2022-05-18 02:19:56] [INFO ] Deduced a trap composed of 271 places in 2336 ms of which 3 ms to minimize.
[2022-05-18 02:19:58] [INFO ] Deduced a trap composed of 223 places in 2176 ms of which 3 ms to minimize.
[2022-05-18 02:19:58] [WARNING] SMT solver failed with error :SMT solver raised an error when submitting script.... while checking expressions.
[2022-05-18 02:19:58] [INFO ] After 26136ms SMT Verify possible using all constraints in natural domain returned unsat :0 sat :0 real:17
Fused 17 Parikh solutions to 5 different solutions.
Parikh walk visited 0 properties in 19 ms.
Support contains 10 out of 3229 places. Attempting structural reductions.
Starting structural reductions in SAFETY mode, iteration 0 : 3229/3229 places, 7261/7261 transitions.
Drop transitions removed 8 transitions
Trivial Post-agglo rules discarded 8 transitions
Performed 8 trivial Post agglomeration. Transition count delta: 8
Iterating post reduction 0 with 8 rules applied. Total rules applied 8 place count 3229 transition count 7253
Reduce places removed 8 places and 0 transitions.
Iterating post reduction 1 with 8 rules applied. Total rules applied 16 place count 3221 transition count 7253
Performed 18 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 2 with 18 Pre rules applied. Total rules applied 16 place count 3221 transition count 7235
Deduced a syphon composed of 18 places in 4 ms
Reduce places removed 18 places and 0 transitions.
Iterating global reduction 2 with 36 rules applied. Total rules applied 52 place count 3203 transition count 7235
Discarding 10 places :
Symmetric choice reduction at 2 with 10 rule applications. Total rules 62 place count 3193 transition count 7223
Iterating global reduction 2 with 10 rules applied. Total rules applied 72 place count 3193 transition count 7223
Discarding 9 places :
Symmetric choice reduction at 2 with 9 rule applications. Total rules 81 place count 3184 transition count 7202
Iterating global reduction 2 with 9 rules applied. Total rules applied 90 place count 3184 transition count 7202
Discarding 2 places :
Symmetric choice reduction at 2 with 2 rule applications. Total rules 92 place count 3182 transition count 7196
Iterating global reduction 2 with 2 rules applied. Total rules applied 94 place count 3182 transition count 7196
Performed 36 Post agglomeration using F-continuation condition.Transition count delta: 36
Deduced a syphon composed of 36 places in 5 ms
Reduce places removed 36 places and 0 transitions.
Iterating global reduction 2 with 72 rules applied. Total rules applied 166 place count 3146 transition count 7160
Discarding 3 places :
Symmetric choice reduction at 2 with 3 rule applications. Total rules 169 place count 3143 transition count 7157
Iterating global reduction 2 with 3 rules applied. Total rules applied 172 place count 3143 transition count 7157
Discarding 3 places :
Symmetric choice reduction at 2 with 3 rule applications. Total rules 175 place count 3140 transition count 7148
Iterating global reduction 2 with 3 rules applied. Total rules applied 178 place count 3140 transition count 7148
Free-agglomeration rule (complex) applied 312 times.
Iterating global reduction 2 with 312 rules applied. Total rules applied 490 place count 3140 transition count 7990
Reduce places removed 312 places and 0 transitions.
Iterating post reduction 2 with 312 rules applied. Total rules applied 802 place count 2828 transition count 7990
Partial Free-agglomeration rule applied 15 times.
Drop transitions removed 15 transitions
Iterating global reduction 3 with 15 rules applied. Total rules applied 817 place count 2828 transition count 7990
Applied a total of 817 rules in 4018 ms. Remains 2828 /3229 variables (removed 401) and now considering 7990/7261 (removed -729) transitions.
Finished structural reductions, in 1 iterations. Remains : 2828/3229 places, 7990/7261 transitions.
Incomplete random walk after 10000 steps, including 566 resets, run finished after 433 ms. (steps per millisecond=23 ) properties (out of 5) seen :1
Incomplete Best-First random walk after 10001 steps, including 37 resets, run finished after 49 ms. (steps per millisecond=204 ) properties (out of 4) seen :0
Incomplete Best-First random walk after 10001 steps, including 37 resets, run finished after 42 ms. (steps per millisecond=238 ) properties (out of 4) seen :0
Incomplete Best-First random walk after 10001 steps, including 38 resets, run finished after 40 ms. (steps per millisecond=250 ) properties (out of 4) seen :0
Incomplete Best-First random walk after 10001 steps, including 38 resets, run finished after 45 ms. (steps per millisecond=222 ) properties (out of 4) seen :0
Running SMT prover for 4 properties.
[2022-05-18 02:20:03] [INFO ] Flow matrix only has 7104 transitions (discarded 886 similar events)
// Phase 1: matrix 7104 rows 2828 cols
[2022-05-18 02:20:03] [INFO ] Computed 72 place invariants in 171 ms
[2022-05-18 02:20:03] [INFO ] After 460ms SMT Verify possible using all constraints in real domain returned unsat :0 sat :0 real:4
[2022-05-18 02:20:04] [INFO ] [Nat]Absence check using 48 positive place invariants in 58 ms returned sat
[2022-05-18 02:20:04] [INFO ] [Nat]Absence check using 48 positive and 24 generalized place invariants in 5 ms returned sat
[2022-05-18 02:20:07] [INFO ] After 3437ms SMT Verify possible using state equation in natural domain returned unsat :0 sat :4
[2022-05-18 02:20:08] [INFO ] State equation strengthened by 3802 read => feed constraints.
[2022-05-18 02:20:11] [INFO ] After 3409ms SMT Verify possible using 3802 Read/Feed constraints in natural domain returned unsat :0 sat :4
[2022-05-18 02:20:14] [INFO ] Deduced a trap composed of 77 places in 2208 ms of which 3 ms to minimize.
[2022-05-18 02:20:18] [INFO ] Deduced a trap composed of 99 places in 2029 ms of which 3 ms to minimize.
[2022-05-18 02:20:21] [INFO ] Deduced a trap composed of 169 places in 2039 ms of which 2 ms to minimize.
[2022-05-18 02:20:23] [INFO ] Deduced a trap composed of 108 places in 1984 ms of which 3 ms to minimize.
[2022-05-18 02:20:25] [INFO ] Deduced a trap composed of 131 places in 2066 ms of which 3 ms to minimize.
[2022-05-18 02:20:28] [INFO ] Deduced a trap composed of 137 places in 2005 ms of which 3 ms to minimize.
[2022-05-18 02:20:31] [INFO ] Deduced a trap composed of 2 places in 2236 ms of which 3 ms to minimize.
[2022-05-18 02:20:31] [WARNING] SMT solver failed with error :SMT solver raised an error when submitting script.... while checking expressions.
[2022-05-18 02:20:31] [INFO ] After 27276ms SMT Verify possible using all constraints in natural domain returned unsat :0 sat :0 real:4
Parikh walk visited 0 properties in 21 ms.
Support contains 8 out of 2828 places. Attempting structural reductions.
Starting structural reductions in SAFETY mode, iteration 0 : 2828/2828 places, 7990/7990 transitions.
Drop transitions removed 1 transitions
Trivial Post-agglo rules discarded 1 transitions
Performed 1 trivial Post agglomeration. Transition count delta: 1
Iterating post reduction 0 with 1 rules applied. Total rules applied 1 place count 2828 transition count 7989
Reduce places removed 1 places and 0 transitions.
Iterating post reduction 1 with 1 rules applied. Total rules applied 2 place count 2827 transition count 7989
Partial Free-agglomeration rule applied 2 times.
Drop transitions removed 2 transitions
Iterating global reduction 2 with 2 rules applied. Total rules applied 4 place count 2827 transition count 7989
Discarding 2 places :
Symmetric choice reduction at 2 with 2 rule applications. Total rules 6 place count 2825 transition count 7987
Iterating global reduction 2 with 2 rules applied. Total rules applied 8 place count 2825 transition count 7987
Applied a total of 8 rules in 1028 ms. Remains 2825 /2828 variables (removed 3) and now considering 7987/7990 (removed 3) transitions.
Finished structural reductions, in 1 iterations. Remains : 2825/2828 places, 7987/7990 transitions.
Incomplete random walk after 10000 steps, including 567 resets, run finished after 419 ms. (steps per millisecond=23 ) properties (out of 4) seen :0
Incomplete Best-First random walk after 10001 steps, including 37 resets, run finished after 38 ms. (steps per millisecond=263 ) properties (out of 4) seen :0
Incomplete Best-First random walk after 10001 steps, including 38 resets, run finished after 38 ms. (steps per millisecond=263 ) properties (out of 4) seen :0
Incomplete Best-First random walk after 10000 steps, including 38 resets, run finished after 36 ms. (steps per millisecond=277 ) properties (out of 4) seen :1
Incomplete Best-First random walk after 10000 steps, including 37 resets, run finished after 35 ms. (steps per millisecond=285 ) properties (out of 3) seen :0
Running SMT prover for 3 properties.
[2022-05-18 02:20:32] [INFO ] Flow matrix only has 7101 transitions (discarded 886 similar events)
// Phase 1: matrix 7101 rows 2825 cols
[2022-05-18 02:20:32] [INFO ] Computed 72 place invariants in 177 ms
[2022-05-18 02:20:33] [INFO ] After 395ms SMT Verify possible using all constraints in real domain returned unsat :0 sat :0 real:3
[2022-05-18 02:20:33] [INFO ] [Nat]Absence check using 48 positive place invariants in 51 ms returned sat
[2022-05-18 02:20:33] [INFO ] [Nat]Absence check using 48 positive and 24 generalized place invariants in 5 ms returned sat
[2022-05-18 02:20:37] [INFO ] After 3512ms SMT Verify possible using state equation in natural domain returned unsat :0 sat :3
[2022-05-18 02:20:37] [INFO ] State equation strengthened by 3802 read => feed constraints.
[2022-05-18 02:20:39] [INFO ] After 2064ms SMT Verify possible using 3802 Read/Feed constraints in natural domain returned unsat :0 sat :3
[2022-05-18 02:20:42] [INFO ] Deduced a trap composed of 90 places in 2203 ms of which 2 ms to minimize.
[2022-05-18 02:20:45] [INFO ] Deduced a trap composed of 84 places in 2269 ms of which 3 ms to minimize.
[2022-05-18 02:20:47] [INFO ] Deduced a trap composed of 85 places in 2206 ms of which 3 ms to minimize.
[2022-05-18 02:20:50] [INFO ] Deduced a trap composed of 89 places in 2177 ms of which 3 ms to minimize.
[2022-05-18 02:20:52] [INFO ] Deduced a trap composed of 90 places in 2171 ms of which 3 ms to minimize.
[2022-05-18 02:20:55] [INFO ] Deduced a trap composed of 80 places in 2112 ms of which 2 ms to minimize.
[2022-05-18 02:20:57] [INFO ] Deduced a trap composed of 90 places in 2155 ms of which 3 ms to minimize.
[2022-05-18 02:21:00] [INFO ] Deduced a trap composed of 83 places in 2163 ms of which 3 ms to minimize.
[2022-05-18 02:21:00] [WARNING] SMT solver failed with error :SMT solver raised an error when submitting script.... while checking expressions.
[2022-05-18 02:21:00] [INFO ] After 26648ms SMT Verify possible using all constraints in natural domain returned unsat :0 sat :0 real:3
Parikh walk visited 0 properties in 4 ms.
Support contains 6 out of 2825 places. Attempting structural reductions.
Starting structural reductions in SAFETY mode, iteration 0 : 2825/2825 places, 7987/7987 transitions.
Drop transitions removed 1 transitions
Trivial Post-agglo rules discarded 1 transitions
Performed 1 trivial Post agglomeration. Transition count delta: 1
Iterating post reduction 0 with 1 rules applied. Total rules applied 1 place count 2825 transition count 7986
Reduce places removed 1 places and 0 transitions.
Iterating post reduction 1 with 1 rules applied. Total rules applied 2 place count 2824 transition count 7986
Partial Free-agglomeration rule applied 1 times.
Drop transitions removed 1 transitions
Iterating global reduction 2 with 1 rules applied. Total rules applied 3 place count 2824 transition count 7986
Discarding 1 places :
Symmetric choice reduction at 2 with 1 rule applications. Total rules 4 place count 2823 transition count 7985
Iterating global reduction 2 with 1 rules applied. Total rules applied 5 place count 2823 transition count 7985
Applied a total of 5 rules in 1001 ms. Remains 2823 /2825 variables (removed 2) and now considering 7985/7987 (removed 2) transitions.
Finished structural reductions, in 1 iterations. Remains : 2823/2825 places, 7985/7987 transitions.
Incomplete random walk after 10000 steps, including 566 resets, run finished after 307 ms. (steps per millisecond=32 ) properties (out of 3) seen :2
Incomplete Best-First random walk after 10001 steps, including 35 resets, run finished after 24 ms. (steps per millisecond=416 ) properties (out of 1) seen :0
Running SMT prover for 1 properties.
[2022-05-18 02:21:01] [INFO ] Flow matrix only has 7099 transitions (discarded 886 similar events)
// Phase 1: matrix 7099 rows 2823 cols
[2022-05-18 02:21:01] [INFO ] Computed 72 place invariants in 168 ms
[2022-05-18 02:21:01] [INFO ] After 297ms SMT Verify possible using all constraints in real domain returned unsat :0 sat :0 real:1
[2022-05-18 02:21:02] [INFO ] [Nat]Absence check using 48 positive place invariants in 53 ms returned sat
[2022-05-18 02:21:02] [INFO ] [Nat]Absence check using 48 positive and 24 generalized place invariants in 6 ms returned sat
[2022-05-18 02:21:04] [INFO ] After 2547ms SMT Verify possible using state equation in natural domain returned unsat :0 sat :1
[2022-05-18 02:21:04] [INFO ] State equation strengthened by 3802 read => feed constraints.
[2022-05-18 02:21:06] [INFO ] After 1512ms SMT Verify possible using 3802 Read/Feed constraints in natural domain returned unsat :0 sat :1
[2022-05-18 02:21:06] [INFO ] After 1820ms SMT Verify possible using trap constraints in natural domain returned unsat :0 sat :1
Attempting to minimize the solution found.
Minimization took 589 ms.
[2022-05-18 02:21:07] [INFO ] After 5372ms SMT Verify possible using all constraints in natural domain returned unsat :0 sat :1
Parikh walk visited 0 properties in 1 ms.
Support contains 2 out of 2823 places. Attempting structural reductions.
Starting structural reductions in SAFETY mode, iteration 0 : 2823/2823 places, 7985/7985 transitions.
Drop transitions removed 1 transitions
Trivial Post-agglo rules discarded 1 transitions
Performed 1 trivial Post agglomeration. Transition count delta: 1
Iterating post reduction 0 with 1 rules applied. Total rules applied 1 place count 2823 transition count 7984
Reduce places removed 1 places and 0 transitions.
Iterating post reduction 1 with 1 rules applied. Total rules applied 2 place count 2822 transition count 7984
Partial Free-agglomeration rule applied 2 times.
Drop transitions removed 2 transitions
Iterating global reduction 2 with 2 rules applied. Total rules applied 4 place count 2822 transition count 7984
Discarding 2 places :
Symmetric choice reduction at 2 with 2 rule applications. Total rules 6 place count 2820 transition count 7982
Iterating global reduction 2 with 2 rules applied. Total rules applied 8 place count 2820 transition count 7982
Applied a total of 8 rules in 1010 ms. Remains 2820 /2823 variables (removed 3) and now considering 7982/7985 (removed 3) transitions.
Finished structural reductions, in 1 iterations. Remains : 2820/2823 places, 7982/7985 transitions.
Incomplete random walk after 10000 steps, including 565 resets, run finished after 220 ms. (steps per millisecond=45 ) properties (out of 1) seen :0
Incomplete Best-First random walk after 10001 steps, including 39 resets, run finished after 24 ms. (steps per millisecond=416 ) properties (out of 1) seen :0
Finished probabilistic random walk after 1210 steps, run visited all 1 properties in 123 ms. (steps per millisecond=9 )
Probabilistic random walk after 1210 steps, saw 614 distinct states, run finished after 123 ms. (steps per millisecond=9 ) properties seen :1
FORMULA MultiCrashLeafsetExtension-PT-S24C03-LTLCardinality-11 FALSE TECHNIQUES REACHABILITY_KNOWLEDGE
Successfully simplified 12 atomic propositions for a total of 10 simplifications.
Initial state reduction rules removed 1 formulas.
FORMULA MultiCrashLeafsetExtension-PT-S24C03-LTLCardinality-02 FALSE TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA MultiCrashLeafsetExtension-PT-S24C03-LTLCardinality-07 TRUE TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA MultiCrashLeafsetExtension-PT-S24C03-LTLCardinality-09 FALSE TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA MultiCrashLeafsetExtension-PT-S24C03-LTLCardinality-10 FALSE TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA MultiCrashLeafsetExtension-PT-S24C03-LTLCardinality-15 TRUE TECHNIQUES TOPOLOGICAL INITIAL_STATE
Computed a total of 605 stabilizing places and 2060 stable transitions
FORMULA MultiCrashLeafsetExtension-PT-S24C03-LTLCardinality-13 FALSE TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA MultiCrashLeafsetExtension-PT-S24C03-LTLCardinality-14 FALSE TECHNIQUES TOPOLOGICAL INITIAL_STATE
Running Spot : cd /home/mcc/execution;'/home/mcc/BenchKit/bin//..//ltl2tgba' '--check=stutter' '--hoaf=tv' '-f' '!(G(X(((p0 U p1)||X(p0)))))'
Support contains 4 out of 3229 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 3229/3229 places, 7261/7261 transitions.
Discarding 18 places :
Symmetric choice reduction at 0 with 18 rule applications. Total rules 18 place count 3211 transition count 7241
Iterating global reduction 0 with 18 rules applied. Total rules applied 36 place count 3211 transition count 7241
Discarding 17 places :
Symmetric choice reduction at 0 with 17 rule applications. Total rules 53 place count 3194 transition count 7208
Iterating global reduction 0 with 17 rules applied. Total rules applied 70 place count 3194 transition count 7208
Discarding 8 places :
Symmetric choice reduction at 0 with 8 rule applications. Total rules 78 place count 3186 transition count 7186
Iterating global reduction 0 with 8 rules applied. Total rules applied 86 place count 3186 transition count 7186
Discarding 1 places :
Symmetric choice reduction at 0 with 1 rule applications. Total rules 87 place count 3185 transition count 7183
Iterating global reduction 0 with 1 rules applied. Total rules applied 88 place count 3185 transition count 7183
Applied a total of 88 rules in 1715 ms. Remains 3185 /3229 variables (removed 44) and now considering 7183/7261 (removed 78) transitions.
[2022-05-18 02:21:10] [INFO ] Flow matrix only has 6583 transitions (discarded 600 similar events)
// Phase 1: matrix 6583 rows 3185 cols
[2022-05-18 02:21:10] [INFO ] Computed 72 place invariants in 192 ms
[2022-05-18 02:21:14] [INFO ] Implicit Places using invariants in 4194 ms returned [10, 325, 901, 1237, 1403, 1462, 1650, 1674, 1699, 1777, 1896, 1944, 2063, 2385, 2499]
Discarding 15 places :
Implicit Place search using SMT only with invariants took 4200 ms to find 15 implicit places.
Starting structural reductions in LTL mode, iteration 1 : 3170/3229 places, 7183/7261 transitions.
Discarding 13 places :
Symmetric choice reduction at 0 with 13 rule applications. Total rules 13 place count 3157 transition count 7170
Iterating global reduction 0 with 13 rules applied. Total rules applied 26 place count 3157 transition count 7170
Discarding 13 places :
Symmetric choice reduction at 0 with 13 rule applications. Total rules 39 place count 3144 transition count 7157
Iterating global reduction 0 with 13 rules applied. Total rules applied 52 place count 3144 transition count 7157
Discarding 12 places :
Symmetric choice reduction at 0 with 12 rule applications. Total rules 64 place count 3132 transition count 7145
Iterating global reduction 0 with 12 rules applied. Total rules applied 76 place count 3132 transition count 7145
Discarding 11 places :
Symmetric choice reduction at 0 with 11 rule applications. Total rules 87 place count 3121 transition count 7112
Iterating global reduction 0 with 11 rules applied. Total rules applied 98 place count 3121 transition count 7112
Applied a total of 98 rules in 1762 ms. Remains 3121 /3170 variables (removed 49) and now considering 7112/7183 (removed 71) transitions.
[2022-05-18 02:21:16] [INFO ] Flow matrix only has 6512 transitions (discarded 600 similar events)
// Phase 1: matrix 6512 rows 3121 cols
[2022-05-18 02:21:16] [INFO ] Computed 57 place invariants in 171 ms
[2022-05-18 02:21:20] [INFO ] Implicit Places using invariants in 4051 ms returned []
[2022-05-18 02:21:20] [INFO ] Flow matrix only has 6512 transitions (discarded 600 similar events)
// Phase 1: matrix 6512 rows 3121 cols
[2022-05-18 02:21:20] [INFO ] Computed 57 place invariants in 159 ms
[2022-05-18 02:21:21] [INFO ] State equation strengthened by 2616 read => feed constraints.
[2022-05-18 02:21:33] [INFO ] Implicit Places using invariants and state equation in 12982 ms returned []
Implicit Place search using SMT with State Equation took 17038 ms to find 0 implicit places.
Starting structural reductions in LTL mode, iteration 2 : 3121/3229 places, 7112/7261 transitions.
Finished structural reductions, in 2 iterations. Remains : 3121/3229 places, 7112/7261 transitions.
Stuttering acceptance computed with spot in 304 ms :[true, (NOT p0), (AND (NOT p1) (NOT p0)), (AND (NOT p0) (NOT p1)), (AND (NOT p1) (NOT p0))]
Running random walk in product with property : MultiCrashLeafsetExtension-PT-S24C03-LTLCardinality-01 automaton TGBA Formula[mat=[[{ cond=true, acceptance={0} source=0 dest: 0}], [{ cond=(NOT p0), acceptance={} source=1 dest: 0}, { cond=(AND (NOT p1) p0), acceptance={} source=1 dest: 2}, { cond=(AND p1 p0), acceptance={} source=1 dest: 4}], [{ cond=(AND (NOT p1) (NOT p0)), acceptance={} source=2 dest: 0}, { cond=(AND (NOT p1) p0), acceptance={} source=2 dest: 2}, { cond=p1, acceptance={} source=2 dest: 4}], [{ cond=true, acceptance={} source=3 dest: 4}], [{ cond=(AND (NOT p1) (NOT p0)), acceptance={} source=4 dest: 1}, { cond=(AND (NOT p1) p0), acceptance={} source=4 dest: 2}, { cond=p1, acceptance={} source=4 dest: 4}]], initial=3, aps=[p0:(LEQ s1110 s691), p1:(LEQ s1638 s2546)], nbAcceptance=1, properties=[trans-labels, explicit-labels, trans-acc, complete, deterministic, no-univ-branch, unambiguous, semi-deterministic, stutter-sensitive, terminal, weak, inherently-weak], stateDesc=[null, null, null, null, null][false, false, false, false, false]]
Product exploration explored 100000 steps with 3186 reset in 938 ms.
Product exploration explored 100000 steps with 3190 reset in 902 ms.
Computed a total of 497 stabilizing places and 1911 stable transitions
Computed a total of 497 stabilizing places and 1911 stable transitions
Detected a total of 497/3121 stabilizing places and 1911/7112 transitions leading to convergence knowledge of the form 'F(Gp|G!p)' for 1/2 atomic propositions.
Knowledge obtained : [(AND p0 p1), (X (NOT (AND (NOT p1) p0))), (X (NOT (AND (NOT p1) (NOT p0)))), (X p1), (X (X p0)), (X (X (NOT (AND (NOT p1) p0)))), (X (X (AND p1 p0))), (X (X (NOT (AND (NOT p1) (NOT p0))))), (X (X p1)), (F (OR (G p1) (G (NOT p1))))]
False Knowledge obtained : []
Knowledge based reduction with 10 factoid took 398 ms. Reduced automaton from 5 states, 11 edges and 2 AP to 5 states, 11 edges and 2 AP.
Stuttering acceptance computed with spot in 171 ms :[true, (NOT p0), (AND (NOT p1) (NOT p0)), (AND (NOT p0) (NOT p1)), (AND (NOT p1) (NOT p0))]
Incomplete random walk after 10000 steps, including 319 resets, run finished after 180 ms. (steps per millisecond=55 ) properties (out of 5) seen :3
Incomplete Best-First random walk after 10001 steps, including 58 resets, run finished after 41 ms. (steps per millisecond=243 ) properties (out of 2) seen :0
Incomplete Best-First random walk after 10000 steps, including 58 resets, run finished after 48 ms. (steps per millisecond=208 ) properties (out of 2) seen :0
Running SMT prover for 2 properties.
[2022-05-18 02:21:36] [INFO ] Flow matrix only has 6512 transitions (discarded 600 similar events)
// Phase 1: matrix 6512 rows 3121 cols
[2022-05-18 02:21:36] [INFO ] Computed 57 place invariants in 147 ms
[2022-05-18 02:21:37] [INFO ] After 380ms SMT Verify possible using all constraints in real domain returned unsat :0 sat :0 real:2
[2022-05-18 02:21:37] [INFO ] [Nat]Absence check using 47 positive place invariants in 42 ms returned sat
[2022-05-18 02:21:37] [INFO ] [Nat]Absence check using 47 positive and 10 generalized place invariants in 2 ms returned sat
[2022-05-18 02:21:39] [INFO ] After 2166ms SMT Verify possible using state equation in natural domain returned unsat :1 sat :1
[2022-05-18 02:21:39] [INFO ] State equation strengthened by 2616 read => feed constraints.
[2022-05-18 02:21:43] [INFO ] After 3386ms SMT Verify possible using 2616 Read/Feed constraints in natural domain returned unsat :1 sat :1
[2022-05-18 02:21:45] [INFO ] Deduced a trap composed of 481 places in 2160 ms of which 4 ms to minimize.
[2022-05-18 02:21:48] [INFO ] Deduced a trap composed of 515 places in 2230 ms of which 4 ms to minimize.
[2022-05-18 02:21:48] [INFO ] Trap strengthening (SAT) tested/added 3/2 trap constraints in 5034 ms
[2022-05-18 02:21:48] [INFO ] After 8551ms SMT Verify possible using trap constraints in natural domain returned unsat :1 sat :1
Attempting to minimize the solution found.
Minimization took 205 ms.
[2022-05-18 02:21:48] [INFO ] After 11397ms SMT Verify possible using all constraints in natural domain returned unsat :1 sat :1
Fused 2 Parikh solutions to 1 different solutions.
Parikh walk visited 0 properties in 1 ms.
Support contains 2 out of 3121 places. Attempting structural reductions.
Starting structural reductions in SAFETY mode, iteration 0 : 3121/3121 places, 7112/7112 transitions.
Drop transitions removed 11 transitions
Trivial Post-agglo rules discarded 11 transitions
Performed 11 trivial Post agglomeration. Transition count delta: 11
Iterating post reduction 0 with 11 rules applied. Total rules applied 11 place count 3121 transition count 7101
Reduce places removed 11 places and 0 transitions.
Iterating post reduction 1 with 11 rules applied. Total rules applied 22 place count 3110 transition count 7101
Performed 7 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 2 with 7 Pre rules applied. Total rules applied 22 place count 3110 transition count 7094
Deduced a syphon composed of 7 places in 4 ms
Reduce places removed 7 places and 0 transitions.
Iterating global reduction 2 with 14 rules applied. Total rules applied 36 place count 3103 transition count 7094
Discarding 1 places :
Symmetric choice reduction at 2 with 1 rule applications. Total rules 37 place count 3102 transition count 7093
Iterating global reduction 2 with 1 rules applied. Total rules applied 38 place count 3102 transition count 7093
Discarding 1 places :
Symmetric choice reduction at 2 with 1 rule applications. Total rules 39 place count 3101 transition count 7090
Iterating global reduction 2 with 1 rules applied. Total rules applied 40 place count 3101 transition count 7090
Performed 28 Post agglomeration using F-continuation condition.Transition count delta: 28
Deduced a syphon composed of 28 places in 4 ms
Reduce places removed 28 places and 0 transitions.
Iterating global reduction 2 with 56 rules applied. Total rules applied 96 place count 3073 transition count 7062
Discarding 1 places :
Symmetric choice reduction at 2 with 1 rule applications. Total rules 97 place count 3072 transition count 7061
Iterating global reduction 2 with 1 rules applied. Total rules applied 98 place count 3072 transition count 7061
Discarding 1 places :
Symmetric choice reduction at 2 with 1 rule applications. Total rules 99 place count 3071 transition count 7058
Iterating global reduction 2 with 1 rules applied. Total rules applied 100 place count 3071 transition count 7058
Free-agglomeration rule (complex) applied 294 times.
Iterating global reduction 2 with 294 rules applied. Total rules applied 394 place count 3071 transition count 7954
Reduce places removed 294 places and 0 transitions.
Iterating post reduction 2 with 294 rules applied. Total rules applied 688 place count 2777 transition count 7954
Partial Free-agglomeration rule applied 2 times.
Drop transitions removed 2 transitions
Iterating global reduction 3 with 2 rules applied. Total rules applied 690 place count 2777 transition count 7954
Applied a total of 690 rules in 3283 ms. Remains 2777 /3121 variables (removed 344) and now considering 7954/7112 (removed -842) transitions.
Finished structural reductions, in 1 iterations. Remains : 2777/3121 places, 7954/7112 transitions.
Finished random walk after 4356 steps, including 247 resets, run visited all 1 properties in 103 ms. (steps per millisecond=42 )
Found 1 invariant AP formulas.
Knowledge obtained : [(AND p0 p1), (X (NOT (AND (NOT p1) p0))), (X (NOT (AND (NOT p1) (NOT p0)))), (X p1), (X (X p0)), (X (X (NOT (AND (NOT p1) p0)))), (X (X (AND p1 p0))), (X (X (NOT (AND (NOT p1) (NOT p0))))), (X (X p1)), (F (OR (G p1) (G (NOT p1)))), (G (NOT (AND (NOT p0) (NOT p1))))]
False Knowledge obtained : [(F (NOT p1)), (F (NOT p0)), (F (NOT (AND p0 p1))), (F (AND p0 (NOT p1)))]
Property proved to be true thanks to knowledge :(G (NOT (AND (NOT p0) (NOT p1))))
Knowledge based reduction with 11 factoid took 344 ms. Reduced automaton from 5 states, 11 edges and 2 AP to 1 states, 0 edges and 0 AP.
FORMULA MultiCrashLeafsetExtension-PT-S24C03-LTLCardinality-01 TRUE TECHNIQUES KNOWLEDGE
Treatment of property MultiCrashLeafsetExtension-PT-S24C03-LTLCardinality-01 finished in 43539 ms.
Running Spot : cd /home/mcc/execution;'/home/mcc/BenchKit/bin//..//ltl2tgba' '--check=stutter' '--hoaf=tv' '-f' '!(X(G(p0)))'
Support contains 2 out of 3229 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 3229/3229 places, 7261/7261 transitions.
Discarding 19 places :
Symmetric choice reduction at 0 with 19 rule applications. Total rules 19 place count 3210 transition count 7240
Iterating global reduction 0 with 19 rules applied. Total rules applied 38 place count 3210 transition count 7240
Discarding 18 places :
Symmetric choice reduction at 0 with 18 rule applications. Total rules 56 place count 3192 transition count 7204
Iterating global reduction 0 with 18 rules applied. Total rules applied 74 place count 3192 transition count 7204
Discarding 8 places :
Symmetric choice reduction at 0 with 8 rule applications. Total rules 82 place count 3184 transition count 7182
Iterating global reduction 0 with 8 rules applied. Total rules applied 90 place count 3184 transition count 7182
Discarding 1 places :
Symmetric choice reduction at 0 with 1 rule applications. Total rules 91 place count 3183 transition count 7179
Iterating global reduction 0 with 1 rules applied. Total rules applied 92 place count 3183 transition count 7179
Applied a total of 92 rules in 1614 ms. Remains 3183 /3229 variables (removed 46) and now considering 7179/7261 (removed 82) transitions.
[2022-05-18 02:21:53] [INFO ] Flow matrix only has 6579 transitions (discarded 600 similar events)
// Phase 1: matrix 6579 rows 3183 cols
[2022-05-18 02:21:54] [INFO ] Computed 72 place invariants in 177 ms
[2022-05-18 02:21:58] [INFO ] Implicit Places using invariants in 4174 ms returned [10, 325, 901, 1116, 1235, 1401, 1460, 1648, 1700, 1778, 1897, 1945, 2064, 2386, 2499, 2500]
Discarding 16 places :
Implicit Place search using SMT only with invariants took 4188 ms to find 16 implicit places.
Starting structural reductions in LTL mode, iteration 1 : 3167/3229 places, 7179/7261 transitions.
Discarding 14 places :
Symmetric choice reduction at 0 with 14 rule applications. Total rules 14 place count 3153 transition count 7165
Iterating global reduction 0 with 14 rules applied. Total rules applied 28 place count 3153 transition count 7165
Discarding 14 places :
Symmetric choice reduction at 0 with 14 rule applications. Total rules 42 place count 3139 transition count 7151
Iterating global reduction 0 with 14 rules applied. Total rules applied 56 place count 3139 transition count 7151
Discarding 14 places :
Symmetric choice reduction at 0 with 14 rule applications. Total rules 70 place count 3125 transition count 7137
Iterating global reduction 0 with 14 rules applied. Total rules applied 84 place count 3125 transition count 7137
Discarding 13 places :
Symmetric choice reduction at 0 with 13 rule applications. Total rules 97 place count 3112 transition count 7098
Iterating global reduction 0 with 13 rules applied. Total rules applied 110 place count 3112 transition count 7098
Applied a total of 110 rules in 1728 ms. Remains 3112 /3167 variables (removed 55) and now considering 7098/7179 (removed 81) transitions.
[2022-05-18 02:21:59] [INFO ] Flow matrix only has 6498 transitions (discarded 600 similar events)
// Phase 1: matrix 6498 rows 3112 cols
[2022-05-18 02:22:00] [INFO ] Computed 56 place invariants in 155 ms
[2022-05-18 02:22:03] [INFO ] Implicit Places using invariants in 4102 ms returned []
[2022-05-18 02:22:03] [INFO ] Flow matrix only has 6498 transitions (discarded 600 similar events)
// Phase 1: matrix 6498 rows 3112 cols
[2022-05-18 02:22:04] [INFO ] Computed 56 place invariants in 155 ms
[2022-05-18 02:22:05] [INFO ] State equation strengthened by 2610 read => feed constraints.
[2022-05-18 02:22:16] [INFO ] Implicit Places using invariants and state equation in 12788 ms returned []
Implicit Place search using SMT with State Equation took 16891 ms to find 0 implicit places.
Starting structural reductions in LTL mode, iteration 2 : 3112/3229 places, 7098/7261 transitions.
Finished structural reductions, in 2 iterations. Remains : 3112/3229 places, 7098/7261 transitions.
Stuttering acceptance computed with spot in 108 ms :[true, (NOT p0), (NOT p0)]
Running random walk in product with property : MultiCrashLeafsetExtension-PT-S24C03-LTLCardinality-06 automaton TGBA Formula[mat=[[{ cond=true, acceptance={0} source=0 dest: 0}], [{ cond=true, acceptance={} source=1 dest: 2}], [{ cond=(NOT p0), acceptance={} source=2 dest: 0}, { cond=p0, acceptance={} source=2 dest: 2}]], initial=1, aps=[p0:(LEQ s1644 s1599)], nbAcceptance=1, properties=[trans-labels, explicit-labels, trans-acc, complete, deterministic, no-univ-branch, unambiguous, semi-deterministic, stutter-sensitive, terminal, very-weak, weak, inherently-weak], stateDesc=[null, null, null][false, false, false]]
Entered a terminal (fully accepting) state of product in 11722 steps with 374 reset in 109 ms.
FORMULA MultiCrashLeafsetExtension-PT-S24C03-LTLCardinality-06 FALSE TECHNIQUES STUTTER_TEST
Treatment of property MultiCrashLeafsetExtension-PT-S24C03-LTLCardinality-06 finished in 24667 ms.
Running Spot : cd /home/mcc/execution;'/home/mcc/BenchKit/bin//..//ltl2tgba' '--check=stutter' '--hoaf=tv' '-f' '!(F(G(F(G(X(G(X(p0))))))))'
Support contains 2 out of 3229 places. Attempting structural reductions.
Starting structural reductions in SI_LTL mode, iteration 0 : 3229/3229 places, 7261/7261 transitions.
Drop transitions removed 11 transitions
Trivial Post-agglo rules discarded 11 transitions
Performed 11 trivial Post agglomeration. Transition count delta: 11
Iterating post reduction 0 with 11 rules applied. Total rules applied 11 place count 3229 transition count 7250
Reduce places removed 11 places and 0 transitions.
Iterating post reduction 1 with 11 rules applied. Total rules applied 22 place count 3218 transition count 7250
Performed 18 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 2 with 18 Pre rules applied. Total rules applied 22 place count 3218 transition count 7232
Deduced a syphon composed of 18 places in 4 ms
Reduce places removed 18 places and 0 transitions.
Iterating global reduction 2 with 36 rules applied. Total rules applied 58 place count 3200 transition count 7232
Discarding 12 places :
Symmetric choice reduction at 2 with 12 rule applications. Total rules 70 place count 3188 transition count 7218
Iterating global reduction 2 with 12 rules applied. Total rules applied 82 place count 3188 transition count 7218
Performed 1 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 2 with 1 Pre rules applied. Total rules applied 82 place count 3188 transition count 7217
Deduced a syphon composed of 1 places in 4 ms
Reduce places removed 1 places and 0 transitions.
Iterating global reduction 2 with 2 rules applied. Total rules applied 84 place count 3187 transition count 7217
Discarding 11 places :
Symmetric choice reduction at 2 with 11 rule applications. Total rules 95 place count 3176 transition count 7188
Iterating global reduction 2 with 11 rules applied. Total rules applied 106 place count 3176 transition count 7188
Discarding 1 places :
Symmetric choice reduction at 2 with 1 rule applications. Total rules 107 place count 3175 transition count 7185
Iterating global reduction 2 with 1 rules applied. Total rules applied 108 place count 3175 transition count 7185
Performed 35 Post agglomeration using F-continuation condition.Transition count delta: 35
Deduced a syphon composed of 35 places in 4 ms
Reduce places removed 35 places and 0 transitions.
Iterating global reduction 2 with 70 rules applied. Total rules applied 178 place count 3140 transition count 7150
Discarding 7 places :
Symmetric choice reduction at 2 with 7 rule applications. Total rules 185 place count 3133 transition count 7143
Iterating global reduction 2 with 7 rules applied. Total rules applied 192 place count 3133 transition count 7143
Discarding 7 places :
Symmetric choice reduction at 2 with 7 rule applications. Total rules 199 place count 3126 transition count 7122
Iterating global reduction 2 with 7 rules applied. Total rules applied 206 place count 3126 transition count 7122
Applied a total of 206 rules in 3207 ms. Remains 3126 /3229 variables (removed 103) and now considering 7122/7261 (removed 139) transitions.
[2022-05-18 02:22:20] [INFO ] Flow matrix only has 6522 transitions (discarded 600 similar events)
// Phase 1: matrix 6522 rows 3126 cols
[2022-05-18 02:22:20] [INFO ] Computed 72 place invariants in 254 ms
[2022-05-18 02:22:24] [INFO ] Implicit Places using invariants in 4059 ms returned [9, 311, 883, 1095, 1212, 1375, 1432, 1617, 1639, 1664, 1739, 1857, 1903, 2020, 2339, 2452, 2453]
Discarding 17 places :
Implicit Place search using SMT only with invariants took 4071 ms to find 17 implicit places.
Starting structural reductions in SI_LTL mode, iteration 1 : 3109/3229 places, 7122/7261 transitions.
Discarding 10 places :
Symmetric choice reduction at 0 with 10 rule applications. Total rules 10 place count 3099 transition count 7112
Iterating global reduction 0 with 10 rules applied. Total rules applied 20 place count 3099 transition count 7112
Discarding 10 places :
Symmetric choice reduction at 0 with 10 rule applications. Total rules 30 place count 3089 transition count 7102
Iterating global reduction 0 with 10 rules applied. Total rules applied 40 place count 3089 transition count 7102
Discarding 9 places :
Symmetric choice reduction at 0 with 9 rule applications. Total rules 49 place count 3080 transition count 7075
Iterating global reduction 0 with 9 rules applied. Total rules applied 58 place count 3080 transition count 7075
Performed 5 Post agglomeration using F-continuation condition.Transition count delta: 5
Deduced a syphon composed of 5 places in 4 ms
Reduce places removed 5 places and 0 transitions.
Iterating global reduction 0 with 10 rules applied. Total rules applied 68 place count 3075 transition count 7070
Discarding 5 places :
Symmetric choice reduction at 0 with 5 rule applications. Total rules 73 place count 3070 transition count 7065
Iterating global reduction 0 with 5 rules applied. Total rules applied 78 place count 3070 transition count 7065
Discarding 5 places :
Symmetric choice reduction at 0 with 5 rule applications. Total rules 83 place count 3065 transition count 7050
Iterating global reduction 0 with 5 rules applied. Total rules applied 88 place count 3065 transition count 7050
Applied a total of 88 rules in 2754 ms. Remains 3065 /3109 variables (removed 44) and now considering 7050/7122 (removed 72) transitions.
[2022-05-18 02:22:27] [INFO ] Flow matrix only has 6450 transitions (discarded 600 similar events)
// Phase 1: matrix 6450 rows 3065 cols
[2022-05-18 02:22:27] [INFO ] Computed 55 place invariants in 168 ms
[2022-05-18 02:22:31] [INFO ] Implicit Places using invariants in 3999 ms returned []
[2022-05-18 02:22:31] [INFO ] Flow matrix only has 6450 transitions (discarded 600 similar events)
// Phase 1: matrix 6450 rows 3065 cols
[2022-05-18 02:22:31] [INFO ] Computed 55 place invariants in 153 ms
[2022-05-18 02:22:32] [INFO ] State equation strengthened by 2608 read => feed constraints.
[2022-05-18 02:22:44] [INFO ] Implicit Places using invariants and state equation in 13269 ms returned []
Implicit Place search using SMT with State Equation took 17270 ms to find 0 implicit places.
Starting structural reductions in SI_LTL mode, iteration 2 : 3065/3229 places, 7050/7261 transitions.
Finished structural reductions, in 2 iterations. Remains : 3065/3229 places, 7050/7261 transitions.
Stuttering acceptance computed with spot in 33 ms :[(NOT p0)]
Running random walk in product with property : MultiCrashLeafsetExtension-PT-S24C03-LTLCardinality-12 automaton TGBA Formula[mat=[[{ cond=p0, acceptance={} source=0 dest: 0}, { cond=(NOT p0), acceptance={0} source=0 dest: 0}]], initial=0, aps=[p0:(GT s2393 s1450)], nbAcceptance=1, properties=[trans-labels, explicit-labels, trans-acc, complete, deterministic, no-univ-branch, unambiguous, semi-deterministic, stutter-invariant], stateDesc=[null][true]]
Stuttering criterion allowed to conclude after 21 steps with 0 reset in 1 ms.
FORMULA MultiCrashLeafsetExtension-PT-S24C03-LTLCardinality-12 FALSE TECHNIQUES STUTTER_TEST
Treatment of property MultiCrashLeafsetExtension-PT-S24C03-LTLCardinality-12 finished in 27375 ms.
All properties solved by simple procedures.
Total runtime 237306 ms.
BK_STOP 1652840565493
--------------------
content from stderr:
+ export LANG=C
+ LANG=C
+ export BINDIR=/home/mcc/BenchKit/bin//../
+ BINDIR=/home/mcc/BenchKit/bin//../
++ pwd
+ export MODEL=/home/mcc/execution
+ MODEL=/home/mcc/execution
+ [[ LTLCardinality = StateSpace ]]
+ /home/mcc/BenchKit/bin//..//runeclipse.sh /home/mcc/execution LTLCardinality -its -ltsmin -greatspnpath /home/mcc/BenchKit/bin//..//greatspn/ -order META -manyOrder -smt -timeout 3600
+ ulimit -s 65536
+ export PYTHONPATH=/usr/lib/python3.9/site-packages/
+ PYTHONPATH=/usr/lib/python3.9/site-packages/
+ export LD_LIBRARY_PATH=/usr/local/lib:
+ LD_LIBRARY_PATH=/usr/local/lib:
+ [[ -z '' ]]
+ export LTSMIN_MEM_SIZE=8589934592
+ LTSMIN_MEM_SIZE=8589934592
++ sed s/.jar//
++ perl -pe 's/.*\.//g'
++ ls /home/mcc/BenchKit/bin//..//itstools/plugins/fr.lip6.move.gal.application.pnmcc_1.0.0.202205111006.jar
+ VERSION=202205111006
+ echo 'Running Version 202205111006'
+ /home/mcc/BenchKit/bin//..//itstools/its-tools -data @none -pnfolder /home/mcc/execution -examination LTLCardinality -spotpath /home/mcc/BenchKit/bin//..//ltlfilt -z3path /home/mcc/BenchKit/bin//..//z3/bin/z3 -yices2path /home/mcc/BenchKit/bin//..//yices/bin/yices -its -ltsmin -greatspnpath /home/mcc/BenchKit/bin//..//greatspn/ -order META -manyOrder -smt -timeout 3600 -vmargs -Dosgi.locking=none -Declipse.stateSaveDelayInterval=-1 -Dosgi.configuration.area=@none -Xss128m -Xms40m -Xmx8192m
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="MultiCrashLeafsetExtension-PT-S24C03"
export BK_EXAMINATION="LTLCardinality"
export BK_TOOL="itstools"
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 2-4028"
echo " Executing tool itstools"
echo " Input is MultiCrashLeafsetExtension-PT-S24C03, 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 r132-tall-165271821300715"
echo "====================================================================="
echo
echo "--------------------"
echo "preparation of the directory to be used:"
tar xzf /home/mcc/BenchKit/INPUTS/MultiCrashLeafsetExtension-PT-S24C03.tgz
mv MultiCrashLeafsetExtension-PT-S24C03 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 '
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 ;