Execution Chart

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

Trace from the execution

Formatting '/data/fkordon/mcc2021-input.r121-tall-162075406300001.qcow2', fmt=qcow2 size=4294967296 backing_file='/data/fkordon/mcc2021-input.qcow2' encryption=off cluster_size=65536 lazy_refcounts=off
Waiting for the VM to be ready (probing ssh)
.....................
=====================================================================
Generated by BenchKit 2-4028
Executing tool itstools
Input is GlobalResAllocation-COL-03, examination is CTLCardinality
Time confinement is 3600 seconds
Memory confinement is 16384 MBytes
Number of cores is 4
Run identifier is r121-tall-162075406300001
=====================================================================

--------------------
preparation of the directory to be used:
/home/mcc/execution
total 388K
-rw-r--r-- 1 mcc users 16K May 5 16:58 CTLCardinality.txt
-rw-r--r-- 1 mcc users 127K May 10 09:43 CTLCardinality.xml
-rw-r--r-- 1 mcc users 8.0K May 5 16:58 CTLFireability.txt
-rw-r--r-- 1 mcc users 61K May 10 09:43 CTLFireability.xml
-rw-r--r-- 1 mcc users 4.2K May 6 14:48 GenericPropertiesDefinition.xml
-rw-r--r-- 1 mcc users 6.3K May 6 14:48 GenericPropertiesVerdict.xml
-rw-r--r-- 1 mcc users 4.2K Mar 28 16:13 LTLCardinality.txt
-rw-r--r-- 1 mcc users 26K Mar 28 16:13 LTLCardinality.xml
-rw-r--r-- 1 mcc users 2.2K Mar 28 16:13 LTLFireability.txt
-rw-r--r-- 1 mcc users 16K Mar 28 16:13 LTLFireability.xml
-rw-r--r-- 1 mcc users 4.0K Mar 23 11:25 ReachabilityCardinality.txt
-rw-r--r-- 1 mcc users 18K Mar 23 11:25 ReachabilityCardinality.xml
-rw-r--r-- 1 mcc users 3.6K Mar 22 20:41 ReachabilityFireability.txt
-rw-r--r-- 1 mcc users 23K Mar 22 20:41 ReachabilityFireability.xml
-rw-r--r-- 1 mcc users 1.8K Mar 22 09:15 UpperBounds.txt
-rw-r--r-- 1 mcc users 3.9K Mar 22 09:15 UpperBounds.xml
-rw-r--r-- 1 mcc users 5 May 5 16:51 equiv_pt
-rw-r--r-- 1 mcc users 3 May 5 16:51 instance
-rw-r--r-- 1 mcc users 5 May 5 16:51 iscolored
-rw-r--r-- 1 mcc users 28K May 5 16:51 model.pnml

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

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

The expected result is a vector of booleans
BOOL_VECTOR

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

=== Now, execution of the tool begins

BK_START 1620771481327

Running Version 0
[2021-05-11 22:18:04] [INFO ] Running its-tools with arguments : [-pnfolder, /home/mcc/execution, -examination, CTLCardinality, -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]
[2021-05-11 22:18:04] [INFO ] Parsing pnml file : /home/mcc/execution/model.pnml
[2021-05-11 22:18:04] [INFO ] Detected file is not PT type :http://www.pnml.org/version-2009/grammar/symmetricnet
log4j:WARN No appenders could be found for logger (org.apache.axiom.locator.DefaultOMMetaFactoryLocator).
log4j:WARN Please initialize the log4j system properly.
[2021-05-11 22:18:04] [WARNING] Using fallBack plugin, rng conformance not checked
[2021-05-11 22:18:05] [INFO ] Load time of PNML (colored model parsed with PNMLFW) : 619 ms
[2021-05-11 22:18:05] [INFO ] r2 symmetric to r1 in transition enter2
[2021-05-11 22:18:05] [INFO ] r2 symmetric to r3 in transition enter3
[2021-05-11 22:18:05] [INFO ] r3 symmetric to r1 in transition enter3
[2021-05-11 22:18:05] [INFO ] r2 symmetric to r3 in transition enter4
[2021-05-11 22:18:05] [INFO ] r3 symmetric to r4 in transition enter4
[2021-05-11 22:18:05] [INFO ] r4 symmetric to r1 in transition enter4
[2021-05-11 22:18:05] [INFO ] r2 symmetric to r1 in transition release2
[2021-05-11 22:18:05] [INFO ] Imported 5 HL places and 7 HL transitions for a total of 33 PT places and 4791.0 transition bindings in 23 ms.
Parsed 16 properties from file /home/mcc/execution/CTLCardinality.xml in 17 ms.
[2021-05-11 22:18:05] [INFO ] Built PT skeleton of HLPN with 5 places and 7 transitions in 3 ms.
[2021-05-11 22:18:05] [INFO ] Skeletonized HLPN properties in 1 ms.
Successfully produced net in file /tmp/petri1000_13813112867599264449.dot
Incomplete random walk after 100001 steps, including 2 resets, run finished after 842 ms. (steps per millisecond=118 ) properties (out of 107) seen :25
Running SMT prover for 82 properties.
Normalized transition count is 6 out of 7 initially.
// Phase 1: matrix 6 rows 5 cols
[2021-05-11 22:18:06] [INFO ] Computed 3 place invariants in 3 ms
[2021-05-11 22:18:06] [INFO ] [Real]Absence check using 2 positive place invariants in 2 ms returned sat
[2021-05-11 22:18:06] [INFO ] [Real]Absence check using 2 positive and 1 generalized place invariants in 1 ms returned sat
[2021-05-11 22:18:06] [INFO ] SMT Verify possible in real domain returnedunsat :66 sat :0 real:16
[2021-05-11 22:18:06] [INFO ] [Nat]Absence check using 2 positive place invariants in 0 ms returned sat
[2021-05-11 22:18:06] [INFO ] [Nat]Absence check using 2 positive and 1 generalized place invariants in 0 ms returned sat
[2021-05-11 22:18:06] [INFO ] SMT Verify possible in nat domain returned unsat :16 sat :66
Successfully simplified 82 atomic propositions for a total of 16 simplifications.
FORMULA GlobalResAllocation-COL-03-CTLCardinality-03 FALSE TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA GlobalResAllocation-COL-03-CTLCardinality-09 TRUE TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA GlobalResAllocation-COL-03-CTLCardinality-11 FALSE TECHNIQUES TOPOLOGICAL INITIAL_STATE
[2021-05-11 22:18:06] [INFO ] Initial state reduction rules for CTL removed 3 formulas.
[2021-05-11 22:18:06] [INFO ] Flatten gal took : 17 ms
[2021-05-11 22:18:06] [INFO ] Initial state reduction rules for CTL removed 2 formulas.
FORMULA GlobalResAllocation-COL-03-CTLCardinality-13 FALSE TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA GlobalResAllocation-COL-03-CTLCardinality-12 FALSE TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA GlobalResAllocation-COL-03-CTLCardinality-07 TRUE TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA GlobalResAllocation-COL-03-CTLCardinality-04 TRUE TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA GlobalResAllocation-COL-03-CTLCardinality-01 TRUE TECHNIQUES TOPOLOGICAL INITIAL_STATE
[2021-05-11 22:18:06] [INFO ] Flatten gal took : 2 ms
[2021-05-11 22:18:06] [INFO ] Unfolded HLPN to a Petri net with 33 places and 711 transitions in 28 ms.
[2021-05-11 22:18:06] [INFO ] Unfolded HLPN properties in 0 ms.
Successfully produced net in file /tmp/petri1001_14752133253448885296.dot
Support contains 33 out of 33 places. Attempting structural reductions.
Starting structural reductions, iteration 0 : 33/33 places, 711/711 transitions.
Reduce isomorphic (modulo) transitions removed 0 transitions.
Iterating post reduction 0 with 36 rules applied. Total rules applied 36 place count 33 transition count 693
Applied a total of 36 rules in 43 ms. Remains 33 /33 variables (removed 0) and now considering 693/711 (removed 18) transitions.
// Phase 1: matrix 693 rows 33 cols
[2021-05-11 22:18:06] [INFO ] Computed 12 place invariants in 22 ms
[2021-05-11 22:18:06] [INFO ] Dead Transitions using invariants and state equation in 275 ms returned [18, 20, 23, 27, 32, 38, 39, 41, 44, 48, 53, 59, 60, 62, 65, 69, 74, 80, 81, 82, 83, 84, 85, 87, 88, 89, 90, 91, 93, 96, 97, 98, 99, 100, 101, 103, 106, 110, 111, 112, 113, 114, 115, 116, 118, 121, 125, 130, 131, 132, 133, 134, 135, 136, 137, 138, 139, 140, 141, 143, 144, 145, 146, 147, 149, 152, 153, 154, 155, 156, 157, 159, 162, 166, 167, 168, 169, 170, 171, 172, 174, 177, 181, 186, 187, 188, 189, 190, 191, 192, 193, 194, 195, 196, 197, 199, 200, 201, 202, 203, 205, 208, 209, 210, 211, 212, 213, 215, 218, 222, 223, 224, 225, 226, 227, 228, 230, 233, 237, 242, 243, 244, 245, 246, 247, 248, 249, 250, 251, 252, 253, 254, 255, 256, 257, 258, 259, 260, 261, 262, 263, 264, 265, 266, 267, 268, 270, 271, 272, 273, 274, 275, 276, 277, 278, 279, 280, 281, 282, 283, 284, 285, 286, 287, 288, 290, 291, 292, 293, 294, 296, 299, 300, 301, 302, 303, 304, 305, 306, 307, 308, 309, 310, 311, 312, 313, 314, 315, 316, 317, 318, 319, 320, 321, 322, 323, 325, 326, 327, 328, 329, 331, 334, 335, 336, 337, 338, 339, 341, 344, 348, 349, 350, 351, 352, 353, 354, 355, 356, 357, 358, 359, 360, 361, 362, 363, 364, 365, 366, 367, 368, 369, 370, 371, 372, 373, 374, 375, 376, 377, 378, 379, 380, 381, 382, 383, 384, 385, 386, 387, 388, 389, 390, 391, 392, 393, 394, 396, 397, 398, 399, 400, 401, 402, 403, 404, 405, 406, 407, 408, 409, 410, 411, 412, 413, 414, 416, 417, 418, 419, 420, 422, 425, 426, 427, 428, 429, 430, 431, 432, 433, 434, 435, 436, 437, 438, 439, 440, 441, 442, 443, 444, 445, 446, 447, 448, 449, 451, 452, 453, 454, 455, 457, 460, 461, 462, 463, 464, 465, 467, 470, 474, 475, 476, 477, 478, 479, 480, 481, 482, 483, 484, 485, 486, 487, 488, 489, 490, 491, 492, 493, 494, 495, 496, 497, 498, 499, 500, 501, 502, 503, 504, 505, 506, 507, 508, 509, 510, 511, 512, 513, 514, 515, 516, 517, 518, 519, 520, 522, 523, 524, 525, 526, 527, 528, 529, 530, 531, 532, 533, 534, 535, 536, 537, 538, 539, 540, 542, 543, 544, 545, 546, 548, 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, 577, 578, 579, 580, 581, 583, 586, 587, 588, 589, 590, 591, 593, 596, 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]
Found 459 dead transitions using SMT.
Drop transitions removed 459 transitions
Dead transitions reduction (with SMT) triggered by suspicious arc values removed 459 transitions :[626, 625, 624, 623, 622, 621, 620, 619, 618, 617, 616, 615, 614, 613, 612, 611, 610, 609, 608, 607, 606, 605, 604, 603, 602, 601, 600, 596, 593, 591, 590, 589, 588, 587, 586, 583, 581, 580, 579, 578, 577, 575, 574, 573, 572, 571, 570, 569, 568, 567, 566, 565, 564, 563, 562, 561, 560, 559, 558, 557, 556, 555, 554, 553, 552, 551, 548, 546, 545, 544, 543, 542, 540, 539, 538, 537, 536, 535, 534, 533, 532, 531, 530, 529, 528, 527, 526, 525, 524, 523, 522, 520, 519, 518, 517, 516, 515, 514, 513, 512, 511, 510, 509, 508, 507, 506, 505, 504, 503, 502, 501, 500, 499, 498, 497, 496, 495, 494, 493, 492, 491, 490, 489, 488, 487, 486, 485, 484, 483, 482, 481, 480, 479, 478, 477, 476, 475, 474, 470, 467, 465, 464, 463, 462, 461, 460, 457, 455, 454, 453, 452, 451, 449, 448, 447, 446, 445, 444, 443, 442, 441, 440, 439, 438, 437, 436, 435, 434, 433, 432, 431, 430, 429, 428, 427, 426, 425, 422, 420, 419, 418, 417, 416, 414, 413, 412, 411, 410, 409, 408, 407, 406, 405, 404, 403, 402, 401, 400, 399, 398, 397, 396, 394, 393, 392, 391, 390, 389, 388, 387, 386, 385, 384, 383, 382, 381, 380, 379, 378, 377, 376, 375, 374, 373, 372, 371, 370, 369, 368, 367, 366, 365, 364, 363, 362, 361, 360, 359, 358, 357, 356, 355, 354, 353, 352, 351, 350, 349, 348, 344, 341, 339, 338, 337, 336, 335, 334, 331, 329, 328, 327, 326, 325, 323, 322, 321, 320, 319, 318, 317, 316, 315, 314, 313, 312, 311, 310, 309, 308, 307, 306, 305, 304, 303, 302, 301, 300, 299, 296, 294, 293, 292, 291, 290, 288, 287, 286, 285, 284, 283, 282, 281, 280, 279, 278, 277, 276, 275, 274, 273, 272, 271, 270, 268, 267, 266, 265, 264, 263, 262, 261, 260, 259, 258, 257, 256, 255, 254, 253, 252, 251, 250, 249, 248, 247, 246, 245, 244, 243, 242, 237, 233, 230, 228, 227, 226, 225, 224, 223, 222, 218, 215, 213, 212, 211, 210, 209, 208, 205, 203, 202, 201, 200, 199, 197, 196, 195, 194, 193, 192, 191, 190, 189, 188, 187, 186, 181, 177, 174, 172, 171, 170, 169, 168, 167, 166, 162, 159, 157, 156, 155, 154, 153, 152, 149, 147, 146, 145, 144, 143, 141, 140, 139, 138, 137, 136, 135, 134, 133, 132, 131, 130, 125, 121, 118, 116, 115, 114, 113, 112, 111, 110, 106, 103, 101, 100, 99, 98, 97, 96, 93, 91, 90, 89, 88, 87, 85, 84, 83, 82, 81, 80, 74, 69, 65, 62, 60, 59, 53, 48, 44, 41, 39, 38, 32, 27, 23, 20, 18]
// Phase 1: matrix 234 rows 33 cols
[2021-05-11 22:18:06] [INFO ] Computed 12 place invariants in 3 ms
[2021-05-11 22:18:06] [INFO ] Implicit Places using invariants in 16 ms returned []
// Phase 1: matrix 234 rows 33 cols
[2021-05-11 22:18:06] [INFO ] Computed 12 place invariants in 3 ms
[2021-05-11 22:18:07] [INFO ] Implicit Places using invariants and state equation in 77 ms returned []
Implicit Place search using SMT with State Equation took 96 ms to find 0 implicit places.
// Phase 1: matrix 234 rows 33 cols
[2021-05-11 22:18:07] [INFO ] Computed 12 place invariants in 3 ms
[2021-05-11 22:18:07] [INFO ] Dead Transitions using invariants and state equation in 93 ms returned []
Starting structural reductions, iteration 1 : 33/33 places, 234/711 transitions.
Applied a total of 0 rules in 6 ms. Remains 33 /33 variables (removed 0) and now considering 234/234 (removed 0) transitions.
// Phase 1: matrix 234 rows 33 cols
[2021-05-11 22:18:07] [INFO ] Computed 12 place invariants in 3 ms
[2021-05-11 22:18:07] [INFO ] Dead Transitions using invariants and state equation in 107 ms returned []
Finished structural reductions, in 2 iterations. Remains : 33/33 places, 234/711 transitions.
[2021-05-11 22:18:07] [INFO ] Flatten gal took : 36 ms
[2021-05-11 22:18:07] [INFO ] Flatten gal took : 32 ms
[2021-05-11 22:18:07] [INFO ] Input system was already deterministic with 234 transitions.
Incomplete random walk after 100000 steps, including 2 resets, run finished after 3119 ms. (steps per millisecond=32 ) properties (out of 43) seen :10
Running SMT prover for 33 properties.
// Phase 1: matrix 234 rows 33 cols
[2021-05-11 22:18:10] [INFO ] Computed 12 place invariants in 4 ms
[2021-05-11 22:18:10] [INFO ] [Real]Absence check using 9 positive place invariants in 1 ms returned sat
[2021-05-11 22:18:10] [INFO ] [Real]Absence check using 9 positive and 3 generalized place invariants in 0 ms returned sat
[2021-05-11 22:18:10] [INFO ] SMT Verify possible in real domain returnedunsat :31 sat :0 real:2
[2021-05-11 22:18:10] [INFO ] [Nat]Absence check using 9 positive place invariants in 1 ms returned sat
[2021-05-11 22:18:10] [INFO ] [Nat]Absence check using 9 positive and 3 generalized place invariants in 1 ms returned sat
[2021-05-11 22:18:10] [INFO ] SMT Verify possible in nat domain returned unsat :2 sat :31
Successfully simplified 33 atomic propositions for a total of 8 simplifications.
Applied a total of 0 rules in 15 ms. Remains 33 /33 variables (removed 0) and now considering 234/234 (removed 0) transitions.
[2021-05-11 22:18:10] [INFO ] Flatten gal took : 26 ms
[2021-05-11 22:18:10] [INFO ] Flatten gal took : 29 ms
[2021-05-11 22:18:10] [INFO ] Input system was already deterministic with 234 transitions.
[2021-05-11 22:18:10] [INFO ] Flatten gal took : 23 ms
[2021-05-11 22:18:10] [INFO ] Flatten gal took : 23 ms
[2021-05-11 22:18:10] [INFO ] Time to serialize gal into /tmp/CTLCardinality13113489319879749523.gal : 8 ms
[2021-05-11 22:18:10] [INFO ] Time to serialize properties into /tmp/CTLCardinality9614936790973237541.ctl : 1 ms
Invoking ITS tools like this :CommandLine [args=[/home/mcc/BenchKit/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202104292328/bin/its-ctl-linux64, --gc-threshold, 2000000, --quiet, -i, /tmp/CTLCardinality13113489319879749523.gal, -t, CGAL, -ctl, /tmp/CTLCardinality9614936790973237541.ctl, --gen-order, FOLLOW], workingDir=/home/mcc/execution]

its-ctl command run as :

/home/mcc/BenchKit/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202104292328/bin/its-ctl-linux64 --gc-threshold 2000000 --quiet -i /tmp/CTLCardinality13113489319879749523.gal -t CGAL -ctl /tmp/CTLCardinality9614936790973237541.ctl --gen-order FOLLOW
No direction supplied, using forward translation only.
Parsed 1 CTL formulae.
Model ,|S| ,Time ,Mem(kb) ,fin. SDD ,fin. DDD ,peak SDD ,peak DDD ,SDD Hom ,SDD cache peak ,DDD Hom ,DDD cachepeak ,SHom cache
reachable,6320,0.215192,12224,2,2627,5,28667,6,0,393,17442,0


Converting to forward existential form...Done !
original formula: !(EF(((((((((((((((((((((((((((((((((pr_released_0+pr_released_1)+pr_released_2)+in_critical_s_0)+in_critical_s_1)+in_critical_s_2)+in_critical_s_3)+in_critical_s_4)+in_critical_s_5)+in_critical_s_6)+in_critical_s_7)+in_critical_s_8)+in_critical_s_9)+in_critical_s_10)+in_critical_s_11)+in_critical_s_12)+in_critical_s_13)+in_critical_s_14)+in_critical_s_15)+in_critical_s_16)+in_critical_s_17)+Resources_0)+Resources_1)+Resources_2)+Resources_3)+Resources_4)+Resources_5)+Processes_0)+Processes_1)+Processes_2)<=((((((((Processes_0+Processes_1)+Processes_2)+pr_released_0)+pr_released_1)+pr_released_2)+pr_in_0)+pr_in_1)+pr_in_2))||(((((((((((((((((((((pr_released_0+pr_released_1)+pr_released_2)+in_critical_s_0)+in_critical_s_1)+in_critical_s_2)+in_critical_s_3)+in_critical_s_4)+in_critical_s_5)+in_critical_s_6)+in_critical_s_7)+in_critical_s_8)+in_critical_s_9)+in_critical_s_10)+in_critical_s_11)+in_critical_s_12)+in_critical_s_13)+in_critical_s_14)+in_critical_s_15)+in_critical_s_16)+in_critical_s_17)>=34)) * AG(((((((((((((((((((((((((((((((Resources_0+Resources_1)+Resources_2)+Resources_3)+Resources_4)+Resources_5)+in_critical_s_0)+in_critical_s_1)+in_critical_s_2)+in_critical_s_3)+in_critical_s_4)+in_critical_s_5)+in_critical_s_6)+in_critical_s_7)+in_critical_s_8)+in_critical_s_9)+in_critical_s_10)+in_critical_s_11)+in_critical_s_12)+in_critical_s_13)+in_critical_s_14)+in_critical_s_15)+in_critical_s_16)+in_critical_s_17)+pr_released_0)+pr_released_1)+pr_released_2)+pr_in_0)+pr_in_1)+pr_in_2)<=((((((((Resources_0+Resources_1)+Resources_2)+Resources_3)+Resources_4)+Resources_5)+pr_released_0)+pr_released_1)+pr_released_2))))))
=> equivalent forward existential formula: [((FwdU(Init,TRUE) * (((((((((((((((((((((((((((((((pr_released_0+pr_released_1)+pr_released_2)+in_critical_s_0)+in_critical_s_1)+in_critical_s_2)+in_critical_s_3)+in_critical_s_4)+in_critical_s_5)+in_critical_s_6)+in_critical_s_7)+in_critical_s_8)+in_critical_s_9)+in_critical_s_10)+in_critical_s_11)+in_critical_s_12)+in_critical_s_13)+in_critical_s_14)+in_critical_s_15)+in_critical_s_16)+in_critical_s_17)+Resources_0)+Resources_1)+Resources_2)+Resources_3)+Resources_4)+Resources_5)+Processes_0)+Processes_1)+Processes_2)<=((((((((Processes_0+Processes_1)+Processes_2)+pr_released_0)+pr_released_1)+pr_released_2)+pr_in_0)+pr_in_1)+pr_in_2))||(((((((((((((((((((((pr_released_0+pr_released_1)+pr_released_2)+in_critical_s_0)+in_critical_s_1)+in_critical_s_2)+in_critical_s_3)+in_critical_s_4)+in_critical_s_5)+in_critical_s_6)+in_critical_s_7)+in_critical_s_8)+in_critical_s_9)+in_critical_s_10)+in_critical_s_11)+in_critical_s_12)+in_critical_s_13)+in_critical_s_14)+in_critical_s_15)+in_critical_s_16)+in_critical_s_17)>=34))) * !(E(TRUE U !(((((((((((((((((((((((((((((((Resources_0+Resources_1)+Resources_2)+Resources_3)+Resources_4)+Resources_5)+in_critical_s_0)+in_critical_s_1)+in_critical_s_2)+in_critical_s_3)+in_critical_s_4)+in_critical_s_5)+in_critical_s_6)+in_critical_s_7)+in_critical_s_8)+in_critical_s_9)+in_critical_s_10)+in_critical_s_11)+in_critical_s_12)+in_critical_s_13)+in_critical_s_14)+in_critical_s_15)+in_critical_s_16)+in_critical_s_17)+pr_released_0)+pr_released_1)+pr_released_2)+pr_in_0)+pr_in_1)+pr_in_2)<=((((((((Resources_0+Resources_1)+Resources_2)+Resources_3)+Resources_4)+Resources_5)+pr_released_0)+pr_released_1)+pr_released_2))))))] = FALSE
Reverse transition relation is exact ! Faster fixpoint algorithm enabled.
(forward)formula 0,1,0.89968,30760,1,0,6,108906,15,0,7302,45292,5
FORMULA GlobalResAllocation-COL-03-CTLCardinality-00 TRUE TECHNIQUES DECISION_DIAGRAMS TOPOLOGICAL
Formula is TRUE !

***************************************

Applied a total of 0 rules in 6 ms. Remains 33 /33 variables (removed 0) and now considering 234/234 (removed 0) transitions.
[2021-05-11 22:18:11] [INFO ] Flatten gal took : 17 ms
[2021-05-11 22:18:11] [INFO ] Flatten gal took : 16 ms
[2021-05-11 22:18:12] [INFO ] Input system was already deterministic with 234 transitions.
[2021-05-11 22:18:12] [INFO ] Flatten gal took : 15 ms
[2021-05-11 22:18:12] [INFO ] Flatten gal took : 17 ms
[2021-05-11 22:18:12] [INFO ] Time to serialize gal into /tmp/CTLCardinality9419757956034491634.gal : 4 ms
[2021-05-11 22:18:12] [INFO ] Time to serialize properties into /tmp/CTLCardinality14442238411100192427.ctl : 0 ms
Invoking ITS tools like this :CommandLine [args=[/home/mcc/BenchKit/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202104292328/bin/its-ctl-linux64, --gc-threshold, 2000000, --quiet, -i, /tmp/CTLCardinality9419757956034491634.gal, -t, CGAL, -ctl, /tmp/CTLCardinality14442238411100192427.ctl, --gen-order, FOLLOW], workingDir=/home/mcc/execution]

its-ctl command run as :

/home/mcc/BenchKit/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202104292328/bin/its-ctl-linux64 --gc-threshold 2000000 --quiet -i /tmp/CTLCardinality9419757956034491634.gal -t CGAL -ctl /tmp/CTLCardinality14442238411100192427.ctl --gen-order FOLLOW
No direction supplied, using forward translation only.
Parsed 1 CTL formulae.
Model ,|S| ,Time ,Mem(kb) ,fin. SDD ,fin. DDD ,peak SDD ,peak DDD ,SDD Hom ,SDD cache peak ,DDD Hom ,DDD cachepeak ,SHom cache
reachable,6320,0.221192,12312,2,2627,5,28667,6,0,393,17442,0


Converting to forward existential form...Done !
original formula: AG(AF(((((((((((((((((((in_critical_s_0+in_critical_s_1)+in_critical_s_2)+in_critical_s_3)+in_critical_s_4)+in_critical_s_5)+in_critical_s_6)+in_critical_s_7)+in_critical_s_8)+in_critical_s_9)+in_critical_s_10)+in_critical_s_11)+in_critical_s_12)+in_critical_s_13)+in_critical_s_14)+in_critical_s_15)+in_critical_s_16)+in_critical_s_17)>=6)))
=> equivalent forward existential formula: [FwdG(FwdU(Init,TRUE),!(((((((((((((((((((in_critical_s_0+in_critical_s_1)+in_critical_s_2)+in_critical_s_3)+in_critical_s_4)+in_critical_s_5)+in_critical_s_6)+in_critical_s_7)+in_critical_s_8)+in_critical_s_9)+in_critical_s_10)+in_critical_s_11)+in_critical_s_12)+in_critical_s_13)+in_critical_s_14)+in_critical_s_15)+in_critical_s_16)+in_critical_s_17)>=6)))] = FALSE
Hit Full ! (commute/partial/dont) 3/0/231
(forward)formula 0,0,1.08641,39692,1,0,6,134006,20,0,5298,69897,8
FORMULA GlobalResAllocation-COL-03-CTLCardinality-06 FALSE TECHNIQUES DECISION_DIAGRAMS TOPOLOGICAL
Formula is FALSE !

***************************************

[2021-05-11 22:18:13] [INFO ] Flatten gal took : 15 ms
[2021-05-11 22:18:13] [INFO ] Flatten gal took : 16 ms
[2021-05-11 22:18:13] [INFO ] Applying decomposition
[2021-05-11 22:18:13] [INFO ] Flatten gal took : 16 ms
Converted graph to binary with : CommandLine [args=[/home/mcc/BenchKit/itstools/plugins/fr.lip6.move.gal.louvain.binaries_1.0.0.202104292328/bin/convert-linux64, -i, /tmp/graph14885681336816419468.txt, -o, /tmp/graph14885681336816419468.bin, -w, /tmp/graph14885681336816419468.weights], workingDir=null]
Built communities with : CommandLine [args=[/home/mcc/BenchKit/itstools/plugins/fr.lip6.move.gal.louvain.binaries_1.0.0.202104292328/bin/louvain-linux64, /tmp/graph14885681336816419468.bin, -l, -1, -v, -w, /tmp/graph14885681336816419468.weights, -q, 0, -e, 0.001], workingDir=null]
[2021-05-11 22:18:13] [INFO ] Decomposing Gal with order
[2021-05-11 22:18:13] [INFO ] Rewriting arrays to variables to allow decomposition.
[2021-05-11 22:18:13] [INFO ] Flatten gal took : 280 ms
[2021-05-11 22:18:13] [INFO ] Fuse similar labels procedure discarded/fused a total of 0 labels/synchronizations in 5 ms.
[2021-05-11 22:18:13] [INFO ] Time to serialize gal into /tmp/CTLCardinality2767177893952622629.gal : 8 ms
[2021-05-11 22:18:13] [INFO ] Time to serialize properties into /tmp/CTLCardinality6251789780384583550.ctl : 1 ms
Invoking ITS tools like this :CommandLine [args=[/home/mcc/BenchKit/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202104292328/bin/its-ctl-linux64, --gc-threshold, 2000000, --quiet, -i, /tmp/CTLCardinality2767177893952622629.gal, -t, CGAL, -ctl, /tmp/CTLCardinality6251789780384583550.ctl, --gen-order, FOLLOW], workingDir=/home/mcc/execution]

its-ctl command run as :

/home/mcc/BenchKit/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202104292328/bin/its-ctl-linux64 --gc-threshold 2000000 --quiet -i /tmp/CTLCardinality2767177893952622629.gal -t CGAL -ctl /tmp/CTLCardinality6251789780384583550.ctl --gen-order FOLLOW
No direction supplied, using forward translation only.
Parsed 6 CTL formulae.
Model ,|S| ,Time ,Mem(kb) ,fin. SDD ,fin. DDD ,peak SDD ,peak DDD ,SDD Hom ,SDD cache peak ,DDD Hom ,DDD cachepeak ,SHom cache
reachable,6320,0.259951,13972,2,3094,5,35549,6,0,393,23547,0


Converting to forward existential form...Done !
original formula: EX(AG((EG(TRUE) + EX(((((((((((gu0.Processes_0+gu0.Processes_1)+gu0.Processes_2)+gu1.Resources_0)+gu1.Resources_1)+gu1.Resources_2)+gu1.Resources_3)+gu1.Resources_4)+gu1.Resources_5)<=((((((((((((((((((((((((((gu1.Resources_0+gu1.Resources_1)+gu1.Resources_2)+gu1.Resources_3)+gu1.Resources_4)+gu1.Resources_5)+gu0.in_critical_s_0)+gu0.in_critical_s_1)+gu0.in_critical_s_2)+gu0.in_critical_s_3)+gu0.in_critical_s_4)+gu0.in_critical_s_5)+gu0.in_critical_s_6)+gu0.in_critical_s_7)+gu0.in_critical_s_8)+gu0.in_critical_s_9)+gu0.in_critical_s_10)+gu0.in_critical_s_11)+gu0.in_critical_s_12)+gu0.in_critical_s_13)+gu0.in_critical_s_14)+gu0.in_critical_s_15)+gu0.in_critical_s_16)+gu0.in_critical_s_17)+gu1.pr_in_0)+gu1.pr_in_1)+gu1.pr_in_2))&&(((gu1.pr_released_0+gu1.pr_released_1)+gu1.pr_released_2)<=46))))))
=> equivalent forward existential formula: [(EY(Init) * !(E(TRUE U !((EG(TRUE) + EX(((((((((((gu0.Processes_0+gu0.Processes_1)+gu0.Processes_2)+gu1.Resources_0)+gu1.Resources_1)+gu1.Resources_2)+gu1.Resources_3)+gu1.Resources_4)+gu1.Resources_5)<=((((((((((((((((((((((((((gu1.Resources_0+gu1.Resources_1)+gu1.Resources_2)+gu1.Resources_3)+gu1.Resources_4)+gu1.Resources_5)+gu0.in_critical_s_0)+gu0.in_critical_s_1)+gu0.in_critical_s_2)+gu0.in_critical_s_3)+gu0.in_critical_s_4)+gu0.in_critical_s_5)+gu0.in_critical_s_6)+gu0.in_critical_s_7)+gu0.in_critical_s_8)+gu0.in_critical_s_9)+gu0.in_critical_s_10)+gu0.in_critical_s_11)+gu0.in_critical_s_12)+gu0.in_critical_s_13)+gu0.in_critical_s_14)+gu0.in_critical_s_15)+gu0.in_critical_s_16)+gu0.in_critical_s_17)+gu1.pr_in_0)+gu1.pr_in_1)+gu1.pr_in_2))&&(((gu1.pr_released_0+gu1.pr_released_1)+gu1.pr_released_2)<=46))))))))] != FALSE
Reverse transition relation is exact ! Faster fixpoint algorithm enabled.
(forward)formula 0,1,1.53666,49464,1,0,8,215050,16,2,6697,91357,8
FORMULA GlobalResAllocation-COL-03-CTLCardinality-02 TRUE TECHNIQUES DECISION_DIAGRAMS TOPOLOGICAL USE_NUPN
Formula is TRUE !

***************************************

original formula: !(AX(AG((((gu1.pr_in_0+gu1.pr_in_1)+gu1.pr_in_2)>=6))))
=> equivalent forward existential formula: [(FwdU(EY(Init),TRUE) * !((((gu1.pr_in_0+gu1.pr_in_1)+gu1.pr_in_2)>=6)))] != FALSE
(forward)formula 1,1,1.59512,50784,1,0,11,219744,19,4,6765,101400,11
FORMULA GlobalResAllocation-COL-03-CTLCardinality-05 TRUE TECHNIQUES DECISION_DIAGRAMS TOPOLOGICAL USE_NUPN
Formula is TRUE !

***************************************

original formula: EF(EX(TRUE))
=> equivalent forward existential formula: [(EY(FwdU(Init,TRUE)) * TRUE)] != FALSE
(forward)formula 2,1,1.59529,50784,1,0,11,219744,19,4,6765,101400,12
FORMULA GlobalResAllocation-COL-03-CTLCardinality-08 TRUE TECHNIQUES DECISION_DIAGRAMS TOPOLOGICAL USE_NUPN
Formula is TRUE !

***************************************

original formula: !(AX(((((((((((((((((((((((((((((((((((gu1.pr_released_0+gu1.pr_released_1)+gu1.pr_released_2)+gu1.pr_in_0)+gu1.pr_in_1)+gu1.pr_in_2)+gu0.Processes_0)+gu0.Processes_1)+gu0.Processes_2)+gu0.in_critical_s_0)+gu0.in_critical_s_1)+gu0.in_critical_s_2)+gu0.in_critical_s_3)+gu0.in_critical_s_4)+gu0.in_critical_s_5)+gu0.in_critical_s_6)+gu0.in_critical_s_7)+gu0.in_critical_s_8)+gu0.in_critical_s_9)+gu0.in_critical_s_10)+gu0.in_critical_s_11)+gu0.in_critical_s_12)+gu0.in_critical_s_13)+gu0.in_critical_s_14)+gu0.in_critical_s_15)+gu0.in_critical_s_16)+gu0.in_critical_s_17)+gu1.Resources_0)+gu1.Resources_1)+gu1.Resources_2)+gu1.Resources_3)+gu1.Resources_4)+gu1.Resources_5)>=15)||((((((((((((gu1.pr_in_0+gu1.pr_in_1)+gu1.pr_in_2)+gu1.pr_released_0)+gu1.pr_released_1)+gu1.pr_released_2)+gu1.Resources_0)+gu1.Resources_1)+gu1.Resources_2)+gu1.Resources_3)+gu1.Resources_4)+gu1.Resources_5)>=49))))
=> equivalent forward existential formula: [(EY(Init) * !(((((((((((((((((((((((((((((((((((gu1.pr_released_0+gu1.pr_released_1)+gu1.pr_released_2)+gu1.pr_in_0)+gu1.pr_in_1)+gu1.pr_in_2)+gu0.Processes_0)+gu0.Processes_1)+gu0.Processes_2)+gu0.in_critical_s_0)+gu0.in_critical_s_1)+gu0.in_critical_s_2)+gu0.in_critical_s_3)+gu0.in_critical_s_4)+gu0.in_critical_s_5)+gu0.in_critical_s_6)+gu0.in_critical_s_7)+gu0.in_critical_s_8)+gu0.in_critical_s_9)+gu0.in_critical_s_10)+gu0.in_critical_s_11)+gu0.in_critical_s_12)+gu0.in_critical_s_13)+gu0.in_critical_s_14)+gu0.in_critical_s_15)+gu0.in_critical_s_16)+gu0.in_critical_s_17)+gu1.Resources_0)+gu1.Resources_1)+gu1.Resources_2)+gu1.Resources_3)+gu1.Resources_4)+gu1.Resources_5)>=15)||((((((((((((gu1.pr_in_0+gu1.pr_in_1)+gu1.pr_in_2)+gu1.pr_released_0)+gu1.pr_released_1)+gu1.pr_released_2)+gu1.Resources_0)+gu1.Resources_1)+gu1.Resources_2)+gu1.Resources_3)+gu1.Resources_4)+gu1.Resources_5)>=49))))] != FALSE
(forward)formula 3,1,1.79843,53424,1,0,13,221190,21,6,9929,104032,13
FORMULA GlobalResAllocation-COL-03-CTLCardinality-10 TRUE TECHNIQUES DECISION_DIAGRAMS TOPOLOGICAL USE_NUPN
Formula is TRUE !

***************************************

original formula: AF(EG((((((((((((((((((((((((((((((((((gu0.Processes_0+gu0.Processes_1)+gu0.Processes_2)+gu1.pr_in_0)+gu1.pr_in_1)+gu1.pr_in_2)+gu1.Resources_0)+gu1.Resources_1)+gu1.Resources_2)+gu1.Resources_3)+gu1.Resources_4)+gu1.Resources_5)+gu1.pr_released_0)+gu1.pr_released_1)+gu1.pr_released_2)+gu0.in_critical_s_0)+gu0.in_critical_s_1)+gu0.in_critical_s_2)+gu0.in_critical_s_3)+gu0.in_critical_s_4)+gu0.in_critical_s_5)+gu0.in_critical_s_6)+gu0.in_critical_s_7)+gu0.in_critical_s_8)+gu0.in_critical_s_9)+gu0.in_critical_s_10)+gu0.in_critical_s_11)+gu0.in_critical_s_12)+gu0.in_critical_s_13)+gu0.in_critical_s_14)+gu0.in_critical_s_15)+gu0.in_critical_s_16)+gu0.in_critical_s_17)>14)))
=> equivalent forward existential formula: [FwdG(Init,!(EG((((((((((((((((((((((((((((((((((gu0.Processes_0+gu0.Processes_1)+gu0.Processes_2)+gu1.pr_in_0)+gu1.pr_in_1)+gu1.pr_in_2)+gu1.Resources_0)+gu1.Resources_1)+gu1.Resources_2)+gu1.Resources_3)+gu1.Resources_4)+gu1.Resources_5)+gu1.pr_released_0)+gu1.pr_released_1)+gu1.pr_released_2)+gu0.in_critical_s_0)+gu0.in_critical_s_1)+gu0.in_critical_s_2)+gu0.in_critical_s_3)+gu0.in_critical_s_4)+gu0.in_critical_s_5)+gu0.in_critical_s_6)+gu0.in_critical_s_7)+gu0.in_critical_s_8)+gu0.in_critical_s_9)+gu0.in_critical_s_10)+gu0.in_critical_s_11)+gu0.in_critical_s_12)+gu0.in_critical_s_13)+gu0.in_critical_s_14)+gu0.in_critical_s_15)+gu0.in_critical_s_16)+gu0.in_critical_s_17)>14))))] = FALSE
(forward)formula 4,0,2.28096,72696,1,0,17,245263,32,11,11880,121222,22
FORMULA GlobalResAllocation-COL-03-CTLCardinality-14 FALSE TECHNIQUES DECISION_DIAGRAMS TOPOLOGICAL USE_NUPN
Formula is FALSE !

***************************************

original formula: AX(FALSE)
=> equivalent forward existential formula: [(EY(Init) * !(FALSE))] = FALSE
(forward)formula 5,0,2.28104,72696,1,0,17,245263,32,11,11880,121222,22
FORMULA GlobalResAllocation-COL-03-CTLCardinality-15 FALSE TECHNIQUES DECISION_DIAGRAMS TOPOLOGICAL USE_NUPN
Formula is FALSE !

***************************************


BK_STOP 1620771497530

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

+ export BINDIR=/home/mcc/BenchKit/bin//../
+ BINDIR=/home/mcc/BenchKit/bin//../
++ pwd
+ export MODEL=/home/mcc/execution
+ MODEL=/home/mcc/execution
+ [[ CTLCardinality = StateSpace ]]
+ /home/mcc/BenchKit/bin//..//runeclipse.sh /home/mcc/execution CTLCardinality -its -ltsmin -greatspnpath /home/mcc/BenchKit/bin//..//greatspn/ -order META -manyOrder -smt -timeout 3600
+ ulimit -s 65536
+ [[ -z '' ]]
+ export LTSMIN_MEM_SIZE=8589934592
+ LTSMIN_MEM_SIZE=8589934592
++ cut -d . -f 9
++ ls /home/mcc/BenchKit/bin//..//itstools/plugins/fr.lip6.move.gal.application.pnmcc_1.0.0.202104292328.jar
+ VERSION=0
+ echo 'Running Version 0'
+ /home/mcc/BenchKit/bin//..//itstools/its-tools -data /home/mcc/execution/workspace -pnfolder /home/mcc/execution -examination CTLCardinality -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=/tmp/.eclipse -Xss128m -Xms40m -Xmx16000m

Sequence of Actions to be Executed by the VM

This is useful if one wants to reexecute the tool in the VM from the submitted image disk.

set -x
# this is for BenchKit: configuration of major elements for the test
export BK_INPUT="GlobalResAllocation-COL-03"
export BK_EXAMINATION="CTLCardinality"
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 GlobalResAllocation-COL-03, examination is CTLCardinality"
echo " Time confinement is $BK_TIME_CONFINEMENT seconds"
echo " Memory confinement is 16384 MBytes"
echo " Number of cores is 4"
echo " Run identifier is r121-tall-162075406300001"
echo "====================================================================="
echo
echo "--------------------"
echo "preparation of the directory to be used:"

tar xzf /home/mcc/BenchKit/INPUTS/GlobalResAllocation-COL-03.tgz
mv GlobalResAllocation-COL-03 execution
cd execution
if [ "CTLCardinality" = "ReachabilityDeadlock" ] || [ "CTLCardinality" = "UpperBounds" ] || [ "CTLCardinality" = "QuasiLiveness" ] || [ "CTLCardinality" = "StableMarking" ] || [ "CTLCardinality" = "Liveness" ] || [ "CTLCardinality" = "OneSafe" ] || [ "CTLCardinality" = "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 [ "CTLCardinality" = "UpperBounds" ] ; then
echo "The expected result is a vector of positive values"
echo NUM_VECTOR
elif [ "CTLCardinality" != "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 "CTLCardinality.txt" ] ; then
echo "here is the order used to build the result vector(from text file)"
for x in $(grep Property CTLCardinality.txt | cut -d ' ' -f 2 | sort -u) ; do
echo "FORMULA_NAME $x"
done
elif [ -f "CTLCardinality.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 '' CTLCardinality.xml | cut -d '>' -f 2 | cut -d '<' -f 1 | sort -u) ; do
echo "FORMULA_NAME $x"
done
elif [ "CTLCardinality" = "ReachabilityDeadlock" ] || [ "CTLCardinality" = "QuasiLiveness" ] || [ "CTLCardinality" = "StableMarking" ] || [ "CTLCardinality" = "Liveness" ] || [ "CTLCardinality" = "OneSafe" ] ; then
echo "FORMULA_NAME CTLCardinality"
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 ;