Execution Chart

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

Trace from the execution

Formatting '/data/fkordon/mcc2023-input.r394-oct2-167903717700266.qcow2', fmt=qcow2 cluster_size=65536 extended_l2=off compression_type=zlib size=4294967296 backing_file=/data/fkordon/mcc2023-input.qcow2 backing_fmt=qcow2 lazy_refcounts=off refcount_bits=16
Waiting for the VM to be ready (probing ssh)
...................................................................................................................................................................................................................................................................................................................................
=====================================================================
Generated by BenchKit 2-5348
Executing tool marciexred
Input is ShieldIIPt-PT-010B, examination is CTLFireability
Time confinement is 3600 seconds
Memory confinement is 16384 MBytes
Number of cores is 4
Run identifier is r394-oct2-167903717700266
=====================================================================

--------------------
preparation of the directory to be used:
/home/mcc/execution
total 664K
-rw-r--r-- 1 mcc users 7.3K Feb 25 16:58 CTLCardinality.txt
-rw-r--r-- 1 mcc users 86K Feb 25 16:58 CTLCardinality.xml
-rw-r--r-- 1 mcc users 5.7K Feb 25 16:57 CTLFireability.txt
-rw-r--r-- 1 mcc users 54K Feb 25 16:57 CTLFireability.xml
-rw-r--r-- 1 mcc users 4.2K Jan 29 11:41 GenericPropertiesDefinition.xml
-rw-r--r-- 1 mcc users 6.6K Jan 29 11:41 GenericPropertiesVerdict.xml
-rw-r--r-- 1 mcc users 3.6K Feb 25 16:56 LTLCardinality.txt
-rw-r--r-- 1 mcc users 25K Feb 25 16:56 LTLCardinality.xml
-rw-r--r-- 1 mcc users 2.2K Feb 25 16:56 LTLFireability.txt
-rw-r--r-- 1 mcc users 16K Feb 25 16:56 LTLFireability.xml
-rw-r--r-- 1 mcc users 13K Feb 25 16:58 ReachabilityCardinality.txt
-rw-r--r-- 1 mcc users 145K Feb 25 16:58 ReachabilityCardinality.xml
-rw-r--r-- 1 mcc users 8.3K Feb 25 16:58 ReachabilityFireability.txt
-rw-r--r-- 1 mcc users 71K Feb 25 16:58 ReachabilityFireability.xml
-rw-r--r-- 1 mcc users 1.6K Feb 25 16:56 UpperBounds.txt
-rw-r--r-- 1 mcc users 3.7K Feb 25 16:56 UpperBounds.xml
-rw-r--r-- 1 mcc users 6 Mar 5 18:23 equiv_col
-rw-r--r-- 1 mcc users 5 Mar 5 18:23 instance
-rw-r--r-- 1 mcc users 6 Mar 5 18:23 iscolored
-rw-r--r-- 1 mcc users 167K Mar 5 18:23 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 ShieldIIPt-PT-010B-CTLFireability-00
FORMULA_NAME ShieldIIPt-PT-010B-CTLFireability-01
FORMULA_NAME ShieldIIPt-PT-010B-CTLFireability-02
FORMULA_NAME ShieldIIPt-PT-010B-CTLFireability-03
FORMULA_NAME ShieldIIPt-PT-010B-CTLFireability-04
FORMULA_NAME ShieldIIPt-PT-010B-CTLFireability-05
FORMULA_NAME ShieldIIPt-PT-010B-CTLFireability-06
FORMULA_NAME ShieldIIPt-PT-010B-CTLFireability-07
FORMULA_NAME ShieldIIPt-PT-010B-CTLFireability-08
FORMULA_NAME ShieldIIPt-PT-010B-CTLFireability-09
FORMULA_NAME ShieldIIPt-PT-010B-CTLFireability-10
FORMULA_NAME ShieldIIPt-PT-010B-CTLFireability-11
FORMULA_NAME ShieldIIPt-PT-010B-CTLFireability-12
FORMULA_NAME ShieldIIPt-PT-010B-CTLFireability-13
FORMULA_NAME ShieldIIPt-PT-010B-CTLFireability-14
FORMULA_NAME ShieldIIPt-PT-010B-CTLFireability-15

=== Now, execution of the tool begins

BK_START 1679499364032

bash -c /home/mcc/BenchKit/BenchKit_head.sh 2> STDERR ; echo ; echo -n "BK_STOP " ; date -u +%s%3N
Invoking MCC driver with
BK_TOOL=marciexred
BK_EXAMINATION=CTLFireability
BK_BIN_PATH=/home/mcc/BenchKit/bin/
BK_TIME_CONFINEMENT=3600
BK_INPUT=ShieldIIPt-PT-010B
Applying reductions before tool marcie
Invoking reducer
Running Version 202303021504
[2023-03-22 15:36:06] [INFO ] Running its-tools with arguments : [-pnfolder, /home/mcc/execution, -examination, CTLFireability, -timeout, 360, -rebuildPNML]
[2023-03-22 15:36:06] [INFO ] Parsing pnml file : /home/mcc/execution/model.pnml
[2023-03-22 15:36:06] [INFO ] Load time of PNML (sax parser for PT used): 125 ms
[2023-03-22 15:36:06] [INFO ] Transformed 703 places.
[2023-03-22 15:36:06] [INFO ] Transformed 653 transitions.
[2023-03-22 15:36:06] [INFO ] Found NUPN structural information;
[2023-03-22 15:36:06] [INFO ] Parsed PT model containing 703 places and 653 transitions and 1626 arcs in 242 ms.
Parsed 16 properties from file /home/mcc/execution/CTLFireability.xml in 23 ms.
Support contains 131 out of 703 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 703/703 places, 653/653 transitions.
Discarding 74 places :
Symmetric choice reduction at 0 with 74 rule applications. Total rules 74 place count 629 transition count 579
Iterating global reduction 0 with 74 rules applied. Total rules applied 148 place count 629 transition count 579
Applied a total of 148 rules in 86 ms. Remains 629 /703 variables (removed 74) and now considering 579/653 (removed 74) transitions.
// Phase 1: matrix 579 rows 629 cols
[2023-03-22 15:36:07] [INFO ] Computed 91 place invariants in 16 ms
[2023-03-22 15:36:07] [INFO ] Implicit Places using invariants in 556 ms returned []
[2023-03-22 15:36:07] [INFO ] Invariant cache hit.
[2023-03-22 15:36:08] [INFO ] Implicit Places using invariants and state equation in 870 ms returned []
Implicit Place search using SMT with State Equation took 1470 ms to find 0 implicit places.
[2023-03-22 15:36:08] [INFO ] Invariant cache hit.
[2023-03-22 15:36:09] [INFO ] Dead Transitions using invariants and state equation in 485 ms found 0 transitions.
Starting structural reductions in LTL mode, iteration 1 : 629/703 places, 579/653 transitions.
Finished structural reductions in LTL mode , in 1 iterations and 2043 ms. Remains : 629/703 places, 579/653 transitions.
Support contains 131 out of 629 places after structural reductions.
[2023-03-22 15:36:09] [INFO ] Flatten gal took : 85 ms
[2023-03-22 15:36:09] [INFO ] Flatten gal took : 40 ms
[2023-03-22 15:36:09] [INFO ] Input system was already deterministic with 579 transitions.
Support contains 124 out of 629 places (down from 131) after GAL structural reductions.
Incomplete random walk after 10000 steps, including 2 resets, run finished after 549 ms. (steps per millisecond=18 ) properties (out of 86) seen :72
Incomplete Best-First random walk after 10001 steps, including 2 resets, run finished after 32 ms. (steps per millisecond=312 ) properties (out of 14) seen :0
Incomplete Best-First random walk after 10001 steps, including 2 resets, run finished after 40 ms. (steps per millisecond=250 ) properties (out of 14) seen :0
Incomplete Best-First random walk after 10001 steps, including 2 resets, run finished after 39 ms. (steps per millisecond=256 ) properties (out of 14) seen :0
Incomplete Best-First random walk after 10001 steps, including 2 resets, run finished after 41 ms. (steps per millisecond=243 ) properties (out of 14) seen :1
Incomplete Best-First random walk after 10001 steps, including 2 resets, run finished after 28 ms. (steps per millisecond=357 ) properties (out of 13) seen :0
Incomplete Best-First random walk after 10001 steps, including 2 resets, run finished after 28 ms. (steps per millisecond=357 ) properties (out of 13) seen :0
Incomplete Best-First random walk after 10001 steps, including 2 resets, run finished after 33 ms. (steps per millisecond=303 ) properties (out of 13) seen :0
Incomplete Best-First random walk after 10001 steps, including 2 resets, run finished after 33 ms. (steps per millisecond=303 ) properties (out of 13) seen :0
Incomplete Best-First random walk after 10001 steps, including 2 resets, run finished after 38 ms. (steps per millisecond=263 ) properties (out of 13) seen :0
Incomplete Best-First random walk after 10001 steps, including 2 resets, run finished after 26 ms. (steps per millisecond=384 ) properties (out of 13) seen :0
Incomplete Best-First random walk after 10001 steps, including 2 resets, run finished after 37 ms. (steps per millisecond=270 ) properties (out of 13) seen :0
Incomplete Best-First random walk after 10001 steps, including 2 resets, run finished after 34 ms. (steps per millisecond=294 ) properties (out of 13) seen :0
Incomplete Best-First random walk after 10001 steps, including 2 resets, run finished after 39 ms. (steps per millisecond=256 ) properties (out of 13) seen :1
Incomplete Best-First random walk after 10001 steps, including 2 resets, run finished after 28 ms. (steps per millisecond=357 ) properties (out of 12) seen :0
Running SMT prover for 12 properties.
[2023-03-22 15:36:10] [INFO ] Invariant cache hit.
[2023-03-22 15:36:10] [INFO ] [Real]Absence check using 91 positive place invariants in 30 ms returned sat
[2023-03-22 15:36:10] [INFO ] After 377ms SMT Verify possible using all constraints in real domain returned unsat :1 sat :0 real:11
[2023-03-22 15:36:11] [INFO ] [Nat]Absence check using 91 positive place invariants in 23 ms returned sat
[2023-03-22 15:36:12] [INFO ] After 811ms SMT Verify possible using state equation in natural domain returned unsat :1 sat :11
[2023-03-22 15:36:12] [INFO ] Deduced a trap composed of 12 places in 230 ms of which 7 ms to minimize.
[2023-03-22 15:36:12] [INFO ] Deduced a trap composed of 19 places in 139 ms of which 2 ms to minimize.
[2023-03-22 15:36:12] [INFO ] Deduced a trap composed of 23 places in 133 ms of which 3 ms to minimize.
[2023-03-22 15:36:13] [INFO ] Deduced a trap composed of 22 places in 99 ms of which 0 ms to minimize.
[2023-03-22 15:36:13] [INFO ] Deduced a trap composed of 13 places in 140 ms of which 14 ms to minimize.
[2023-03-22 15:36:13] [INFO ] Deduced a trap composed of 21 places in 161 ms of which 13 ms to minimize.
[2023-03-22 15:36:13] [INFO ] Deduced a trap composed of 19 places in 112 ms of which 2 ms to minimize.
[2023-03-22 15:36:13] [INFO ] Deduced a trap composed of 15 places in 87 ms of which 0 ms to minimize.
[2023-03-22 15:36:13] [INFO ] Deduced a trap composed of 24 places in 124 ms of which 1 ms to minimize.
[2023-03-22 15:36:13] [INFO ] Deduced a trap composed of 19 places in 78 ms of which 0 ms to minimize.
[2023-03-22 15:36:14] [INFO ] Deduced a trap composed of 24 places in 113 ms of which 0 ms to minimize.
[2023-03-22 15:36:14] [INFO ] Deduced a trap composed of 24 places in 85 ms of which 0 ms to minimize.
[2023-03-22 15:36:14] [INFO ] Deduced a trap composed of 23 places in 76 ms of which 0 ms to minimize.
[2023-03-22 15:36:14] [INFO ] Deduced a trap composed of 23 places in 78 ms of which 1 ms to minimize.
[2023-03-22 15:36:14] [INFO ] Deduced a trap composed of 20 places in 141 ms of which 1 ms to minimize.
[2023-03-22 15:36:14] [INFO ] Deduced a trap composed of 21 places in 143 ms of which 0 ms to minimize.
[2023-03-22 15:36:14] [INFO ] Deduced a trap composed of 22 places in 94 ms of which 1 ms to minimize.
[2023-03-22 15:36:14] [INFO ] Trap strengthening (SAT) tested/added 18/17 trap constraints in 2484 ms
[2023-03-22 15:36:15] [INFO ] Deduced a trap composed of 25 places in 223 ms of which 1 ms to minimize.
[2023-03-22 15:36:15] [INFO ] Trap strengthening (SAT) tested/added 2/1 trap constraints in 282 ms
[2023-03-22 15:36:15] [INFO ] After 4296ms SMT Verify possible using trap constraints in natural domain returned unsat :1 sat :11
Attempting to minimize the solution found.
Minimization took 432 ms.
[2023-03-22 15:36:16] [INFO ] After 5289ms SMT Verify possible using all constraints in natural domain returned unsat :1 sat :11
Fused 12 Parikh solutions to 10 different solutions.
Parikh walk visited 0 properties in 316 ms.
Support contains 15 out of 629 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 629/629 places, 579/579 transitions.
Drop transitions removed 130 transitions
Trivial Post-agglo rules discarded 130 transitions
Performed 130 trivial Post agglomeration. Transition count delta: 130
Iterating post reduction 0 with 130 rules applied. Total rules applied 130 place count 629 transition count 449
Reduce places removed 130 places and 0 transitions.
Performed 2 Post agglomeration using F-continuation condition.Transition count delta: 2
Iterating post reduction 1 with 132 rules applied. Total rules applied 262 place count 499 transition count 447
Reduce places removed 2 places and 0 transitions.
Iterating post reduction 2 with 2 rules applied. Total rules applied 264 place count 497 transition count 447
Performed 58 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 3 with 58 Pre rules applied. Total rules applied 264 place count 497 transition count 389
Deduced a syphon composed of 58 places in 0 ms
Reduce places removed 58 places and 0 transitions.
Iterating global reduction 3 with 116 rules applied. Total rules applied 380 place count 439 transition count 389
Discarding 20 places :
Symmetric choice reduction at 3 with 20 rule applications. Total rules 400 place count 419 transition count 369
Iterating global reduction 3 with 20 rules applied. Total rules applied 420 place count 419 transition count 369
Performed 14 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 3 with 14 Pre rules applied. Total rules applied 420 place count 419 transition count 355
Deduced a syphon composed of 14 places in 1 ms
Reduce places removed 14 places and 0 transitions.
Iterating global reduction 3 with 28 rules applied. Total rules applied 448 place count 405 transition count 355
Performed 171 Post agglomeration using F-continuation condition.Transition count delta: 171
Deduced a syphon composed of 171 places in 0 ms
Reduce places removed 171 places and 0 transitions.
Iterating global reduction 3 with 342 rules applied. Total rules applied 790 place count 234 transition count 184
Ensure Unique test removed 1 transitions
Reduce isomorphic transitions removed 1 transitions.
Iterating post reduction 3 with 1 rules applied. Total rules applied 791 place count 234 transition count 183
Performed 1 Post agglomeration using F-continuation condition.Transition count delta: 1
Deduced a syphon composed of 1 places in 0 ms
Reduce places removed 1 places and 0 transitions.
Iterating global reduction 4 with 2 rules applied. Total rules applied 793 place count 233 transition count 182
Performed 24 Post agglomeration using F-continuation condition.Transition count delta: -14
Deduced a syphon composed of 24 places in 1 ms
Reduce places removed 24 places and 0 transitions.
Iterating global reduction 4 with 48 rules applied. Total rules applied 841 place count 209 transition count 196
Drop transitions removed 1 transitions
Reduce isomorphic transitions removed 1 transitions.
Iterating post reduction 4 with 1 rules applied. Total rules applied 842 place count 209 transition count 195
Free-agglomeration rule applied 1 times.
Iterating global reduction 5 with 1 rules applied. Total rules applied 843 place count 209 transition count 194
Reduce places removed 1 places and 0 transitions.
Iterating post reduction 5 with 1 rules applied. Total rules applied 844 place count 208 transition count 194
Partial Free-agglomeration rule applied 10 times.
Drop transitions removed 10 transitions
Iterating global reduction 6 with 10 rules applied. Total rules applied 854 place count 208 transition count 194
Reduce places removed 1 places and 1 transitions.
Iterating global reduction 6 with 1 rules applied. Total rules applied 855 place count 207 transition count 193
Reduce places removed 2 places and 0 transitions.
Iterating post reduction 6 with 2 rules applied. Total rules applied 857 place count 205 transition count 193
Performed 1 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 7 with 1 Pre rules applied. Total rules applied 857 place count 205 transition count 192
Deduced a syphon composed of 1 places in 1 ms
Reduce places removed 1 places and 0 transitions.
Iterating global reduction 7 with 2 rules applied. Total rules applied 859 place count 204 transition count 192
Applied a total of 859 rules in 106 ms. Remains 204 /629 variables (removed 425) and now considering 192/579 (removed 387) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 106 ms. Remains : 204/629 places, 192/579 transitions.
Finished random walk after 1406 steps, including 0 resets, run visited all 11 properties in 44 ms. (steps per millisecond=31 )
Successfully simplified 1 atomic propositions for a total of 16 simplifications.
[2023-03-22 15:36:16] [INFO ] Flatten gal took : 23 ms
[2023-03-22 15:36:16] [INFO ] Flatten gal took : 30 ms
[2023-03-22 15:36:16] [INFO ] Input system was already deterministic with 579 transitions.
Computed a total of 171 stabilizing places and 171 stable transitions
Starting structural reductions in LTL mode, iteration 0 : 629/629 places, 579/579 transitions.
Discarding 35 places :
Symmetric choice reduction at 0 with 35 rule applications. Total rules 35 place count 594 transition count 544
Iterating global reduction 0 with 35 rules applied. Total rules applied 70 place count 594 transition count 544
Discarding 1 places :
Symmetric choice reduction at 0 with 1 rule applications. Total rules 71 place count 593 transition count 543
Iterating global reduction 0 with 1 rules applied. Total rules applied 72 place count 593 transition count 543
Applied a total of 72 rules in 83 ms. Remains 593 /629 variables (removed 36) and now considering 543/579 (removed 36) transitions.
Finished structural reductions in LTL mode , in 1 iterations and 83 ms. Remains : 593/629 places, 543/579 transitions.
[2023-03-22 15:36:16] [INFO ] Flatten gal took : 20 ms
[2023-03-22 15:36:16] [INFO ] Flatten gal took : 21 ms
[2023-03-22 15:36:16] [INFO ] Input system was already deterministic with 543 transitions.
Starting structural reductions in LTL mode, iteration 0 : 629/629 places, 579/579 transitions.
Discarding 34 places :
Symmetric choice reduction at 0 with 34 rule applications. Total rules 34 place count 595 transition count 545
Iterating global reduction 0 with 34 rules applied. Total rules applied 68 place count 595 transition count 545
Discarding 1 places :
Symmetric choice reduction at 0 with 1 rule applications. Total rules 69 place count 594 transition count 544
Iterating global reduction 0 with 1 rules applied. Total rules applied 70 place count 594 transition count 544
Applied a total of 70 rules in 62 ms. Remains 594 /629 variables (removed 35) and now considering 544/579 (removed 35) transitions.
Finished structural reductions in LTL mode , in 1 iterations and 62 ms. Remains : 594/629 places, 544/579 transitions.
[2023-03-22 15:36:17] [INFO ] Flatten gal took : 19 ms
[2023-03-22 15:36:17] [INFO ] Flatten gal took : 19 ms
[2023-03-22 15:36:17] [INFO ] Input system was already deterministic with 544 transitions.
Starting structural reductions in LTL mode, iteration 0 : 629/629 places, 579/579 transitions.
Discarding 36 places :
Symmetric choice reduction at 0 with 36 rule applications. Total rules 36 place count 593 transition count 543
Iterating global reduction 0 with 36 rules applied. Total rules applied 72 place count 593 transition count 543
Discarding 1 places :
Symmetric choice reduction at 0 with 1 rule applications. Total rules 73 place count 592 transition count 542
Iterating global reduction 0 with 1 rules applied. Total rules applied 74 place count 592 transition count 542
Applied a total of 74 rules in 40 ms. Remains 592 /629 variables (removed 37) and now considering 542/579 (removed 37) transitions.
Finished structural reductions in LTL mode , in 1 iterations and 40 ms. Remains : 592/629 places, 542/579 transitions.
[2023-03-22 15:36:17] [INFO ] Flatten gal took : 16 ms
[2023-03-22 15:36:17] [INFO ] Flatten gal took : 16 ms
[2023-03-22 15:36:17] [INFO ] Input system was already deterministic with 542 transitions.
Starting structural reductions in LTL mode, iteration 0 : 629/629 places, 579/579 transitions.
Discarding 33 places :
Symmetric choice reduction at 0 with 33 rule applications. Total rules 33 place count 596 transition count 546
Iterating global reduction 0 with 33 rules applied. Total rules applied 66 place count 596 transition count 546
Discarding 1 places :
Symmetric choice reduction at 0 with 1 rule applications. Total rules 67 place count 595 transition count 545
Iterating global reduction 0 with 1 rules applied. Total rules applied 68 place count 595 transition count 545
Applied a total of 68 rules in 71 ms. Remains 595 /629 variables (removed 34) and now considering 545/579 (removed 34) transitions.
Finished structural reductions in LTL mode , in 1 iterations and 84 ms. Remains : 595/629 places, 545/579 transitions.
[2023-03-22 15:36:17] [INFO ] Flatten gal took : 17 ms
[2023-03-22 15:36:17] [INFO ] Flatten gal took : 16 ms
[2023-03-22 15:36:17] [INFO ] Input system was already deterministic with 545 transitions.
Starting structural reductions in SI_CTL mode, iteration 0 : 629/629 places, 579/579 transitions.
Reduce places removed 1 places and 1 transitions.
Drop transitions removed 133 transitions
Trivial Post-agglo rules discarded 133 transitions
Performed 133 trivial Post agglomeration. Transition count delta: 133
Iterating post reduction 0 with 133 rules applied. Total rules applied 133 place count 628 transition count 445
Reduce places removed 133 places and 0 transitions.
Iterating post reduction 1 with 133 rules applied. Total rules applied 266 place count 495 transition count 445
Performed 61 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 2 with 61 Pre rules applied. Total rules applied 266 place count 495 transition count 384
Deduced a syphon composed of 61 places in 0 ms
Reduce places removed 61 places and 0 transitions.
Iterating global reduction 2 with 122 rules applied. Total rules applied 388 place count 434 transition count 384
Discarding 20 places :
Symmetric choice reduction at 2 with 20 rule applications. Total rules 408 place count 414 transition count 364
Iterating global reduction 2 with 20 rules applied. Total rules applied 428 place count 414 transition count 364
Performed 13 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 2 with 13 Pre rules applied. Total rules applied 428 place count 414 transition count 351
Deduced a syphon composed of 13 places in 0 ms
Reduce places removed 13 places and 0 transitions.
Iterating global reduction 2 with 26 rules applied. Total rules applied 454 place count 401 transition count 351
Performed 162 Post agglomeration using F-continuation condition.Transition count delta: 162
Deduced a syphon composed of 162 places in 1 ms
Reduce places removed 162 places and 0 transitions.
Iterating global reduction 2 with 324 rules applied. Total rules applied 778 place count 239 transition count 189
Ensure Unique test removed 1 transitions
Reduce isomorphic transitions removed 1 transitions.
Iterating post reduction 2 with 1 rules applied. Total rules applied 779 place count 239 transition count 188
Performed 1 Post agglomeration using F-continuation condition.Transition count delta: 1
Deduced a syphon composed of 1 places in 0 ms
Reduce places removed 1 places and 0 transitions.
Iterating global reduction 3 with 2 rules applied. Total rules applied 781 place count 238 transition count 187
Reduce places removed 2 places and 2 transitions.
Iterating global reduction 3 with 2 rules applied. Total rules applied 783 place count 236 transition count 185
Reduce places removed 2 places and 0 transitions.
Iterating post reduction 3 with 2 rules applied. Total rules applied 785 place count 234 transition count 185
Performed 1 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 4 with 1 Pre rules applied. Total rules applied 785 place count 234 transition count 184
Deduced a syphon composed of 1 places in 0 ms
Reduce places removed 1 places and 0 transitions.
Iterating global reduction 4 with 2 rules applied. Total rules applied 787 place count 233 transition count 184
Applied a total of 787 rules in 54 ms. Remains 233 /629 variables (removed 396) and now considering 184/579 (removed 395) transitions.
Finished structural reductions in SI_CTL mode , in 1 iterations and 54 ms. Remains : 233/629 places, 184/579 transitions.
[2023-03-22 15:36:17] [INFO ] Flatten gal took : 16 ms
[2023-03-22 15:36:17] [INFO ] Flatten gal took : 7 ms
[2023-03-22 15:36:17] [INFO ] Input system was already deterministic with 184 transitions.
Starting structural reductions in LTL mode, iteration 0 : 629/629 places, 579/579 transitions.
Discarding 37 places :
Symmetric choice reduction at 0 with 37 rule applications. Total rules 37 place count 592 transition count 542
Iterating global reduction 0 with 37 rules applied. Total rules applied 74 place count 592 transition count 542
Discarding 1 places :
Symmetric choice reduction at 0 with 1 rule applications. Total rules 75 place count 591 transition count 541
Iterating global reduction 0 with 1 rules applied. Total rules applied 76 place count 591 transition count 541
Applied a total of 76 rules in 31 ms. Remains 591 /629 variables (removed 38) and now considering 541/579 (removed 38) transitions.
Finished structural reductions in LTL mode , in 1 iterations and 32 ms. Remains : 591/629 places, 541/579 transitions.
[2023-03-22 15:36:17] [INFO ] Flatten gal took : 13 ms
[2023-03-22 15:36:17] [INFO ] Flatten gal took : 13 ms
[2023-03-22 15:36:17] [INFO ] Input system was already deterministic with 541 transitions.
Starting structural reductions in SI_CTL mode, iteration 0 : 629/629 places, 579/579 transitions.
Reduce places removed 1 places and 1 transitions.
Drop transitions removed 137 transitions
Trivial Post-agglo rules discarded 137 transitions
Performed 137 trivial Post agglomeration. Transition count delta: 137
Iterating post reduction 0 with 137 rules applied. Total rules applied 137 place count 628 transition count 441
Reduce places removed 137 places and 0 transitions.
Performed 1 Post agglomeration using F-continuation condition.Transition count delta: 1
Iterating post reduction 1 with 138 rules applied. Total rules applied 275 place count 491 transition count 440
Reduce places removed 1 places and 0 transitions.
Iterating post reduction 2 with 1 rules applied. Total rules applied 276 place count 490 transition count 440
Performed 60 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 3 with 60 Pre rules applied. Total rules applied 276 place count 490 transition count 380
Deduced a syphon composed of 60 places in 0 ms
Reduce places removed 60 places and 0 transitions.
Iterating global reduction 3 with 120 rules applied. Total rules applied 396 place count 430 transition count 380
Discarding 22 places :
Symmetric choice reduction at 3 with 22 rule applications. Total rules 418 place count 408 transition count 358
Iterating global reduction 3 with 22 rules applied. Total rules applied 440 place count 408 transition count 358
Performed 15 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 3 with 15 Pre rules applied. Total rules applied 440 place count 408 transition count 343
Deduced a syphon composed of 15 places in 0 ms
Reduce places removed 15 places and 0 transitions.
Iterating global reduction 3 with 30 rules applied. Total rules applied 470 place count 393 transition count 343
Performed 156 Post agglomeration using F-continuation condition.Transition count delta: 156
Deduced a syphon composed of 156 places in 0 ms
Reduce places removed 156 places and 0 transitions.
Iterating global reduction 3 with 312 rules applied. Total rules applied 782 place count 237 transition count 187
Ensure Unique test removed 1 transitions
Reduce isomorphic transitions removed 1 transitions.
Iterating post reduction 3 with 1 rules applied. Total rules applied 783 place count 237 transition count 186
Performed 1 Post agglomeration using F-continuation condition.Transition count delta: 1
Deduced a syphon composed of 1 places in 0 ms
Reduce places removed 1 places and 0 transitions.
Iterating global reduction 4 with 2 rules applied. Total rules applied 785 place count 236 transition count 185
Reduce places removed 2 places and 2 transitions.
Iterating global reduction 4 with 2 rules applied. Total rules applied 787 place count 234 transition count 183
Reduce places removed 2 places and 0 transitions.
Iterating post reduction 4 with 2 rules applied. Total rules applied 789 place count 232 transition count 183
Performed 1 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 5 with 1 Pre rules applied. Total rules applied 789 place count 232 transition count 182
Deduced a syphon composed of 1 places in 0 ms
Reduce places removed 1 places and 0 transitions.
Iterating global reduction 5 with 2 rules applied. Total rules applied 791 place count 231 transition count 182
Applied a total of 791 rules in 62 ms. Remains 231 /629 variables (removed 398) and now considering 182/579 (removed 397) transitions.
Finished structural reductions in SI_CTL mode , in 1 iterations and 62 ms. Remains : 231/629 places, 182/579 transitions.
[2023-03-22 15:36:17] [INFO ] Flatten gal took : 6 ms
[2023-03-22 15:36:17] [INFO ] Flatten gal took : 6 ms
[2023-03-22 15:36:17] [INFO ] Input system was already deterministic with 182 transitions.
Starting structural reductions in LTL mode, iteration 0 : 629/629 places, 579/579 transitions.
Discarding 36 places :
Symmetric choice reduction at 0 with 36 rule applications. Total rules 36 place count 593 transition count 543
Iterating global reduction 0 with 36 rules applied. Total rules applied 72 place count 593 transition count 543
Discarding 1 places :
Symmetric choice reduction at 0 with 1 rule applications. Total rules 73 place count 592 transition count 542
Iterating global reduction 0 with 1 rules applied. Total rules applied 74 place count 592 transition count 542
Applied a total of 74 rules in 32 ms. Remains 592 /629 variables (removed 37) and now considering 542/579 (removed 37) transitions.
Finished structural reductions in LTL mode , in 1 iterations and 32 ms. Remains : 592/629 places, 542/579 transitions.
[2023-03-22 15:36:17] [INFO ] Flatten gal took : 13 ms
[2023-03-22 15:36:17] [INFO ] Flatten gal took : 14 ms
[2023-03-22 15:36:17] [INFO ] Input system was already deterministic with 542 transitions.
Starting structural reductions in LTL mode, iteration 0 : 629/629 places, 579/579 transitions.
Discarding 36 places :
Symmetric choice reduction at 0 with 36 rule applications. Total rules 36 place count 593 transition count 543
Iterating global reduction 0 with 36 rules applied. Total rules applied 72 place count 593 transition count 543
Discarding 1 places :
Symmetric choice reduction at 0 with 1 rule applications. Total rules 73 place count 592 transition count 542
Iterating global reduction 0 with 1 rules applied. Total rules applied 74 place count 592 transition count 542
Applied a total of 74 rules in 67 ms. Remains 592 /629 variables (removed 37) and now considering 542/579 (removed 37) transitions.
Finished structural reductions in LTL mode , in 1 iterations and 67 ms. Remains : 592/629 places, 542/579 transitions.
[2023-03-22 15:36:17] [INFO ] Flatten gal took : 27 ms
[2023-03-22 15:36:17] [INFO ] Flatten gal took : 27 ms
[2023-03-22 15:36:17] [INFO ] Input system was already deterministic with 542 transitions.
Starting structural reductions in LTL mode, iteration 0 : 629/629 places, 579/579 transitions.
Discarding 36 places :
Symmetric choice reduction at 0 with 36 rule applications. Total rules 36 place count 593 transition count 543
Iterating global reduction 0 with 36 rules applied. Total rules applied 72 place count 593 transition count 543
Discarding 1 places :
Symmetric choice reduction at 0 with 1 rule applications. Total rules 73 place count 592 transition count 542
Iterating global reduction 0 with 1 rules applied. Total rules applied 74 place count 592 transition count 542
Applied a total of 74 rules in 31 ms. Remains 592 /629 variables (removed 37) and now considering 542/579 (removed 37) transitions.
Finished structural reductions in LTL mode , in 1 iterations and 31 ms. Remains : 592/629 places, 542/579 transitions.
[2023-03-22 15:36:17] [INFO ] Flatten gal took : 13 ms
[2023-03-22 15:36:17] [INFO ] Flatten gal took : 13 ms
[2023-03-22 15:36:18] [INFO ] Input system was already deterministic with 542 transitions.
Starting structural reductions in LTL mode, iteration 0 : 629/629 places, 579/579 transitions.
Discarding 37 places :
Symmetric choice reduction at 0 with 37 rule applications. Total rules 37 place count 592 transition count 542
Iterating global reduction 0 with 37 rules applied. Total rules applied 74 place count 592 transition count 542
Discarding 1 places :
Symmetric choice reduction at 0 with 1 rule applications. Total rules 75 place count 591 transition count 541
Iterating global reduction 0 with 1 rules applied. Total rules applied 76 place count 591 transition count 541
Applied a total of 76 rules in 33 ms. Remains 591 /629 variables (removed 38) and now considering 541/579 (removed 38) transitions.
Finished structural reductions in LTL mode , in 1 iterations and 33 ms. Remains : 591/629 places, 541/579 transitions.
[2023-03-22 15:36:18] [INFO ] Flatten gal took : 12 ms
[2023-03-22 15:36:18] [INFO ] Flatten gal took : 13 ms
[2023-03-22 15:36:18] [INFO ] Input system was already deterministic with 541 transitions.
Starting structural reductions in LTL mode, iteration 0 : 629/629 places, 579/579 transitions.
Discarding 36 places :
Symmetric choice reduction at 0 with 36 rule applications. Total rules 36 place count 593 transition count 543
Iterating global reduction 0 with 36 rules applied. Total rules applied 72 place count 593 transition count 543
Discarding 1 places :
Symmetric choice reduction at 0 with 1 rule applications. Total rules 73 place count 592 transition count 542
Iterating global reduction 0 with 1 rules applied. Total rules applied 74 place count 592 transition count 542
Applied a total of 74 rules in 33 ms. Remains 592 /629 variables (removed 37) and now considering 542/579 (removed 37) transitions.
Finished structural reductions in LTL mode , in 1 iterations and 33 ms. Remains : 592/629 places, 542/579 transitions.
[2023-03-22 15:36:18] [INFO ] Flatten gal took : 12 ms
[2023-03-22 15:36:18] [INFO ] Flatten gal took : 12 ms
[2023-03-22 15:36:18] [INFO ] Input system was already deterministic with 542 transitions.
Starting structural reductions in LTL mode, iteration 0 : 629/629 places, 579/579 transitions.
Discarding 32 places :
Symmetric choice reduction at 0 with 32 rule applications. Total rules 32 place count 597 transition count 547
Iterating global reduction 0 with 32 rules applied. Total rules applied 64 place count 597 transition count 547
Applied a total of 64 rules in 45 ms. Remains 597 /629 variables (removed 32) and now considering 547/579 (removed 32) transitions.
Finished structural reductions in LTL mode , in 1 iterations and 46 ms. Remains : 597/629 places, 547/579 transitions.
[2023-03-22 15:36:18] [INFO ] Flatten gal took : 21 ms
[2023-03-22 15:36:18] [INFO ] Flatten gal took : 22 ms
[2023-03-22 15:36:18] [INFO ] Input system was already deterministic with 547 transitions.
Starting structural reductions in SI_CTL mode, iteration 0 : 629/629 places, 579/579 transitions.
Reduce places removed 1 places and 1 transitions.
Drop transitions removed 135 transitions
Trivial Post-agglo rules discarded 135 transitions
Performed 135 trivial Post agglomeration. Transition count delta: 135
Iterating post reduction 0 with 135 rules applied. Total rules applied 135 place count 628 transition count 443
Reduce places removed 135 places and 0 transitions.
Performed 1 Post agglomeration using F-continuation condition.Transition count delta: 1
Iterating post reduction 1 with 136 rules applied. Total rules applied 271 place count 493 transition count 442
Reduce places removed 1 places and 0 transitions.
Iterating post reduction 2 with 1 rules applied. Total rules applied 272 place count 492 transition count 442
Performed 59 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 3 with 59 Pre rules applied. Total rules applied 272 place count 492 transition count 383
Deduced a syphon composed of 59 places in 1 ms
Reduce places removed 59 places and 0 transitions.
Iterating global reduction 3 with 118 rules applied. Total rules applied 390 place count 433 transition count 383
Discarding 22 places :
Symmetric choice reduction at 3 with 22 rule applications. Total rules 412 place count 411 transition count 361
Iterating global reduction 3 with 22 rules applied. Total rules applied 434 place count 411 transition count 361
Performed 15 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 3 with 15 Pre rules applied. Total rules applied 434 place count 411 transition count 346
Deduced a syphon composed of 15 places in 1 ms
Reduce places removed 15 places and 0 transitions.
Iterating global reduction 3 with 30 rules applied. Total rules applied 464 place count 396 transition count 346
Performed 161 Post agglomeration using F-continuation condition.Transition count delta: 161
Deduced a syphon composed of 161 places in 0 ms
Reduce places removed 161 places and 0 transitions.
Iterating global reduction 3 with 322 rules applied. Total rules applied 786 place count 235 transition count 185
Ensure Unique test removed 1 transitions
Reduce isomorphic transitions removed 1 transitions.
Iterating post reduction 3 with 1 rules applied. Total rules applied 787 place count 235 transition count 184
Performed 1 Post agglomeration using F-continuation condition.Transition count delta: 1
Deduced a syphon composed of 1 places in 0 ms
Reduce places removed 1 places and 0 transitions.
Iterating global reduction 4 with 2 rules applied. Total rules applied 789 place count 234 transition count 183
Reduce places removed 2 places and 2 transitions.
Iterating global reduction 4 with 2 rules applied. Total rules applied 791 place count 232 transition count 181
Reduce places removed 2 places and 0 transitions.
Iterating post reduction 4 with 2 rules applied. Total rules applied 793 place count 230 transition count 181
Performed 1 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 5 with 1 Pre rules applied. Total rules applied 793 place count 230 transition count 180
Deduced a syphon composed of 1 places in 0 ms
Reduce places removed 1 places and 0 transitions.
Iterating global reduction 5 with 2 rules applied. Total rules applied 795 place count 229 transition count 180
Applied a total of 795 rules in 69 ms. Remains 229 /629 variables (removed 400) and now considering 180/579 (removed 399) transitions.
Finished structural reductions in SI_CTL mode , in 1 iterations and 69 ms. Remains : 229/629 places, 180/579 transitions.
[2023-03-22 15:36:18] [INFO ] Flatten gal took : 5 ms
[2023-03-22 15:36:18] [INFO ] Flatten gal took : 6 ms
[2023-03-22 15:36:18] [INFO ] Input system was already deterministic with 180 transitions.
Starting structural reductions in LTL mode, iteration 0 : 629/629 places, 579/579 transitions.
Discarding 24 places :
Symmetric choice reduction at 0 with 24 rule applications. Total rules 24 place count 605 transition count 555
Iterating global reduction 0 with 24 rules applied. Total rules applied 48 place count 605 transition count 555
Discarding 1 places :
Symmetric choice reduction at 0 with 1 rule applications. Total rules 49 place count 604 transition count 554
Iterating global reduction 0 with 1 rules applied. Total rules applied 50 place count 604 transition count 554
Applied a total of 50 rules in 44 ms. Remains 604 /629 variables (removed 25) and now considering 554/579 (removed 25) transitions.
Finished structural reductions in LTL mode , in 1 iterations and 44 ms. Remains : 604/629 places, 554/579 transitions.
[2023-03-22 15:36:18] [INFO ] Flatten gal took : 26 ms
[2023-03-22 15:36:18] [INFO ] Flatten gal took : 26 ms
[2023-03-22 15:36:18] [INFO ] Input system was already deterministic with 554 transitions.
Starting structural reductions in LTL mode, iteration 0 : 629/629 places, 579/579 transitions.
Discarding 36 places :
Symmetric choice reduction at 0 with 36 rule applications. Total rules 36 place count 593 transition count 543
Iterating global reduction 0 with 36 rules applied. Total rules applied 72 place count 593 transition count 543
Discarding 1 places :
Symmetric choice reduction at 0 with 1 rule applications. Total rules 73 place count 592 transition count 542
Iterating global reduction 0 with 1 rules applied. Total rules applied 74 place count 592 transition count 542
Applied a total of 74 rules in 27 ms. Remains 592 /629 variables (removed 37) and now considering 542/579 (removed 37) transitions.
Finished structural reductions in LTL mode , in 1 iterations and 27 ms. Remains : 592/629 places, 542/579 transitions.
[2023-03-22 15:36:18] [INFO ] Flatten gal took : 12 ms
[2023-03-22 15:36:18] [INFO ] Flatten gal took : 12 ms
[2023-03-22 15:36:18] [INFO ] Input system was already deterministic with 542 transitions.
[2023-03-22 15:36:18] [INFO ] Flatten gal took : 23 ms
[2023-03-22 15:36:18] [INFO ] Flatten gal took : 13 ms
[2023-03-22 15:36:18] [INFO ] Export to MCC of 16 properties in file /home/mcc/execution/CTLFireability.sr.xml took 4 ms.
[2023-03-22 15:36:18] [INFO ] Export to PNML in file /home/mcc/execution/model.sr.pnml of net with 629 places, 579 transitions and 1478 arcs took 3 ms.
Total runtime 12154 ms.
There are residual formulas that ITS could not solve within timeout
timeout --kill-after=10s --signal=SIGINT 1m for testing only

Marcie built on Linux at 2019-11-18.
A model checker for Generalized Stochastic Petri nets

authors: Alex Tovchigrechko (IDD package and CTL model checking)

Martin Schwarick (Symbolic numerical analysis and CSL model checking)

Christian Rohr (Simulative and approximative numerical model checking)

marcie@informatik.tu-cottbus.de

called as: /home/mcc/BenchKit/bin//../reducer/bin//../../marcie/bin/marcie --net-file=model.pnml --mcc-file=CTLFireability.xml --memory=6 --mcc-mode

parse successfull
net created successfully

Net: Petri
(NrP: 629 NrTr: 579 NrArc: 1478)

parse formulas
formulas created successfully
place and transition orderings generation:0m 0.029sec

net check time: 0m 0.000sec

init dd package: 0m 2.984sec


before gc: list nodes free: 1838774

after gc: idd nodes used:51547539, unused:12452461; list nodes free:59282488

RS generation: 23m43.935sec


-> last computed set: #nodes 51546912 (5.2e+07) #states 479,970,721,828,095,190 (17)


CANNOT_COMPUTE


BK_STOP 1679500852287

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

+ ulimit -s 65536
+ [[ -z '' ]]
+ export LTSMIN_MEM_SIZE=8589934592
+ LTSMIN_MEM_SIZE=8589934592
+ export PYTHONPATH=/home/mcc/BenchKit/itstools/pylibs
+ PYTHONPATH=/home/mcc/BenchKit/itstools/pylibs
+ export LD_LIBRARY_PATH=/home/mcc/BenchKit/itstools/pylibs:
+ LD_LIBRARY_PATH=/home/mcc/BenchKit/itstools/pylibs:
++ sed s/.jar//
++ ls /home/mcc/BenchKit/bin//../reducer/bin//../../itstools//itstools/plugins/fr.lip6.move.gal.application.pnmcc_1.0.0.202303021504.jar
++ perl -pe 's/.*\.//g'
+ VERSION=202303021504
+ echo 'Running Version 202303021504'
+ /home/mcc/BenchKit/bin//../reducer/bin//../../itstools//itstools/its-tools -pnfolder /home/mcc/execution -examination CTLFireability -timeout 360 -rebuildPNML
check for maximal unmarked siphon
ok
check for constant places
ok
check if there are places and transitions
ok
check if there are transitions without pre-places
ok
check if at least one transition is enabled in m0
ok
check if there are transitions that can never fire
ok


initing FirstDep: 0m 0.002sec

idd.cc:820: DD Exception: No free nodes

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="ShieldIIPt-PT-010B"
export BK_EXAMINATION="CTLFireability"
export BK_TOOL="marciexred"
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 2-5348"
echo " Executing tool marciexred"
echo " Input is ShieldIIPt-PT-010B, examination is CTLFireability"
echo " Time confinement is $BK_TIME_CONFINEMENT seconds"
echo " Memory confinement is 16384 MBytes"
echo " Number of cores is 4"
echo " Run identifier is r394-oct2-167903717700266"
echo "====================================================================="
echo
echo "--------------------"
echo "preparation of the directory to be used:"

tar xzf /home/mcc/BenchKit/INPUTS/ShieldIIPt-PT-010B.tgz
mv ShieldIIPt-PT-010B execution
cd execution
if [ "CTLFireability" = "ReachabilityDeadlock" ] || [ "CTLFireability" = "UpperBounds" ] || [ "CTLFireability" = "QuasiLiveness" ] || [ "CTLFireability" = "StableMarking" ] || [ "CTLFireability" = "Liveness" ] || [ "CTLFireability" = "OneSafe" ] || [ "CTLFireability" = "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 [ "CTLFireability" = "UpperBounds" ] ; then
echo "The expected result is a vector of positive values"
echo NUM_VECTOR
elif [ "CTLFireability" != "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 "CTLFireability.txt" ] ; then
echo "here is the order used to build the result vector(from text file)"
for x in $(grep Property CTLFireability.txt | cut -d ' ' -f 2 | sort -u) ; do
echo "FORMULA_NAME $x"
done
elif [ -f "CTLFireability.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 '' CTLFireability.xml | cut -d '>' -f 2 | cut -d '<' -f 1 | sort -u) ; do
echo "FORMULA_NAME $x"
done
elif [ "CTLFireability" = "ReachabilityDeadlock" ] || [ "CTLFireability" = "QuasiLiveness" ] || [ "CTLFireability" = "StableMarking" ] || [ "CTLFireability" = "Liveness" ] || [ "CTLFireability" = "OneSafe" ] ; then
echo "FORMULA_NAME CTLFireability"
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 ;