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.r010-oct2-167813599200551.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)
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=====================================================================
Generated by BenchKit 2-5348
Executing tool marciexred
Input is AutonomousCar-PT-02a, examination is ReachabilityFireability
Time confinement is 3600 seconds
Memory confinement is 16384 MBytes
Number of cores is 4
Run identifier is r010-oct2-167813599200551
=====================================================================

--------------------
preparation of the directory to be used:
/home/mcc/execution
total 484K
-rw-r--r-- 1 mcc users 7.4K Feb 25 12:55 CTLCardinality.txt
-rw-r--r-- 1 mcc users 84K Feb 25 12:55 CTLCardinality.xml
-rw-r--r-- 1 mcc users 5.1K Feb 25 12:54 CTLFireability.txt
-rw-r--r-- 1 mcc users 47K Feb 25 12:54 CTLFireability.xml
-rw-r--r-- 1 mcc users 3.7K Feb 25 15:33 LTLCardinality.txt
-rw-r--r-- 1 mcc users 26K Feb 25 15:33 LTLCardinality.xml
-rw-r--r-- 1 mcc users 2.3K Feb 25 15:33 LTLFireability.txt
-rw-r--r-- 1 mcc users 19K Feb 25 15:33 LTLFireability.xml
-rw-r--r-- 1 mcc users 11K Feb 25 12:56 ReachabilityCardinality.txt
-rw-r--r-- 1 mcc users 119K Feb 25 12:56 ReachabilityCardinality.xml
-rw-r--r-- 1 mcc users 9.7K Feb 25 12:56 ReachabilityFireability.txt
-rw-r--r-- 1 mcc users 89K Feb 25 12:56 ReachabilityFireability.xml
-rw-r--r-- 1 mcc users 1.7K Feb 25 15:33 UpperBounds.txt
-rw-r--r-- 1 mcc users 3.7K Feb 25 15:33 UpperBounds.xml
-rw-r--r-- 1 mcc users 6 Mar 5 18:22 equiv_col
-rw-r--r-- 1 mcc users 4 Mar 5 18:22 instance
-rw-r--r-- 1 mcc users 6 Mar 5 18:22 iscolored
-rw-r--r-- 1 mcc users 23K Mar 5 18:22 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 AutonomousCar-PT-02a-ReachabilityFireability-00
FORMULA_NAME AutonomousCar-PT-02a-ReachabilityFireability-01
FORMULA_NAME AutonomousCar-PT-02a-ReachabilityFireability-02
FORMULA_NAME AutonomousCar-PT-02a-ReachabilityFireability-03
FORMULA_NAME AutonomousCar-PT-02a-ReachabilityFireability-04
FORMULA_NAME AutonomousCar-PT-02a-ReachabilityFireability-05
FORMULA_NAME AutonomousCar-PT-02a-ReachabilityFireability-06
FORMULA_NAME AutonomousCar-PT-02a-ReachabilityFireability-07
FORMULA_NAME AutonomousCar-PT-02a-ReachabilityFireability-08
FORMULA_NAME AutonomousCar-PT-02a-ReachabilityFireability-09
FORMULA_NAME AutonomousCar-PT-02a-ReachabilityFireability-10
FORMULA_NAME AutonomousCar-PT-02a-ReachabilityFireability-11
FORMULA_NAME AutonomousCar-PT-02a-ReachabilityFireability-12
FORMULA_NAME AutonomousCar-PT-02a-ReachabilityFireability-13
FORMULA_NAME AutonomousCar-PT-02a-ReachabilityFireability-14
FORMULA_NAME AutonomousCar-PT-02a-ReachabilityFireability-15

=== Now, execution of the tool begins

BK_START 1678698761660

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=ReachabilityFireability
BK_BIN_PATH=/home/mcc/BenchKit/bin/
BK_TIME_CONFINEMENT=3600
BK_INPUT=AutonomousCar-PT-02a
Applying reductions before tool marcie
Invoking reducer
Running Version 202303021504
[2023-03-13 09:12:43] [INFO ] Running its-tools with arguments : [-pnfolder, /home/mcc/execution, -examination, ReachabilityFireability, -timeout, 360, -rebuildPNML]
[2023-03-13 09:12:44] [INFO ] Parsing pnml file : /home/mcc/execution/model.pnml
[2023-03-13 09:12:44] [INFO ] Load time of PNML (sax parser for PT used): 48 ms
[2023-03-13 09:12:44] [INFO ] Transformed 33 places.
[2023-03-13 09:12:44] [INFO ] Transformed 69 transitions.
[2023-03-13 09:12:44] [INFO ] Found NUPN structural information;
[2023-03-13 09:12:44] [INFO ] Parsed PT model containing 33 places and 69 transitions and 368 arcs in 142 ms.
Parsed 16 properties from file /home/mcc/execution/ReachabilityFireability.xml in 15 ms.
Working with output stream class java.io.PrintStream
Initial state reduction rules removed 4 formulas.
Ensure Unique test removed 23 transitions
Reduce redundant transitions removed 23 transitions.
FORMULA AutonomousCar-PT-02a-ReachabilityFireability-10 TRUE TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA AutonomousCar-PT-02a-ReachabilityFireability-11 TRUE TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA AutonomousCar-PT-02a-ReachabilityFireability-14 FALSE TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA AutonomousCar-PT-02a-ReachabilityFireability-15 TRUE TECHNIQUES TOPOLOGICAL INITIAL_STATE
Incomplete random walk after 10000 steps, including 636 resets, run finished after 582 ms. (steps per millisecond=17 ) properties (out of 12) seen :1
FORMULA AutonomousCar-PT-02a-ReachabilityFireability-13 FALSE TECHNIQUES TOPOLOGICAL RANDOM_WALK
Incomplete Best-First random walk after 10000 steps, including 170 resets, run finished after 93 ms. (steps per millisecond=107 ) properties (out of 11) seen :0
Incomplete Best-First random walk after 10001 steps, including 183 resets, run finished after 109 ms. (steps per millisecond=91 ) properties (out of 11) seen :0
Incomplete Best-First random walk after 10001 steps, including 284 resets, run finished after 102 ms. (steps per millisecond=98 ) properties (out of 11) seen :0
Incomplete Best-First random walk after 10001 steps, including 238 resets, run finished after 123 ms. (steps per millisecond=81 ) properties (out of 11) seen :0
Incomplete Best-First random walk after 10000 steps, including 327 resets, run finished after 103 ms. (steps per millisecond=97 ) properties (out of 11) seen :0
Incomplete Best-First random walk after 10001 steps, including 236 resets, run finished after 119 ms. (steps per millisecond=84 ) properties (out of 11) seen :0
Incomplete Best-First random walk after 10000 steps, including 213 resets, run finished after 100 ms. (steps per millisecond=100 ) properties (out of 11) seen :0
Incomplete Best-First random walk after 10001 steps, including 223 resets, run finished after 116 ms. (steps per millisecond=86 ) properties (out of 11) seen :0
Incomplete Best-First random walk after 10000 steps, including 212 resets, run finished after 101 ms. (steps per millisecond=99 ) properties (out of 11) seen :0
Incomplete Best-First random walk after 10001 steps, including 224 resets, run finished after 88 ms. (steps per millisecond=113 ) properties (out of 11) seen :0
Incomplete Best-First random walk after 10001 steps, including 242 resets, run finished after 41 ms. (steps per millisecond=243 ) properties (out of 11) seen :1
FORMULA AutonomousCar-PT-02a-ReachabilityFireability-12 TRUE TECHNIQUES TOPOLOGICAL BESTFIRST_WALK
Running SMT prover for 10 properties.
[2023-03-13 09:12:45] [INFO ] Flow matrix only has 45 transitions (discarded 1 similar events)
// Phase 1: matrix 45 rows 33 cols
[2023-03-13 09:12:45] [INFO ] Computed 7 place invariants in 5 ms
[2023-03-13 09:12:46] [INFO ] After 245ms SMT Verify possible using all constraints in real domain returned unsat :2 sat :0 real:8
[2023-03-13 09:12:46] [INFO ] [Nat]Absence check using 7 positive place invariants in 5 ms returned sat
[2023-03-13 09:12:46] [INFO ] After 105ms SMT Verify possible using all constraints in natural domain returned unsat :10 sat :0
FORMULA AutonomousCar-PT-02a-ReachabilityFireability-09 FALSE TECHNIQUES STRUCTURAL_REDUCTION TOPOLOGICAL SAT_SMT
FORMULA AutonomousCar-PT-02a-ReachabilityFireability-08 FALSE TECHNIQUES STRUCTURAL_REDUCTION TOPOLOGICAL SAT_SMT
FORMULA AutonomousCar-PT-02a-ReachabilityFireability-07 TRUE TECHNIQUES STRUCTURAL_REDUCTION TOPOLOGICAL SAT_SMT
FORMULA AutonomousCar-PT-02a-ReachabilityFireability-06 FALSE TECHNIQUES STRUCTURAL_REDUCTION TOPOLOGICAL SAT_SMT
FORMULA AutonomousCar-PT-02a-ReachabilityFireability-05 TRUE TECHNIQUES STRUCTURAL_REDUCTION TOPOLOGICAL SAT_SMT
FORMULA AutonomousCar-PT-02a-ReachabilityFireability-04 FALSE TECHNIQUES STRUCTURAL_REDUCTION TOPOLOGICAL SAT_SMT
FORMULA AutonomousCar-PT-02a-ReachabilityFireability-03 TRUE TECHNIQUES STRUCTURAL_REDUCTION TOPOLOGICAL SAT_SMT
FORMULA AutonomousCar-PT-02a-ReachabilityFireability-02 FALSE TECHNIQUES STRUCTURAL_REDUCTION TOPOLOGICAL SAT_SMT
FORMULA AutonomousCar-PT-02a-ReachabilityFireability-01 FALSE TECHNIQUES STRUCTURAL_REDUCTION TOPOLOGICAL SAT_SMT
FORMULA AutonomousCar-PT-02a-ReachabilityFireability-00 FALSE TECHNIQUES STRUCTURAL_REDUCTION TOPOLOGICAL SAT_SMT
Fused 10 Parikh solutions to 0 different solutions.
Parikh walk visited 0 properties in 1 ms.
All properties solved without resorting to model-checking.
Total runtime 2362 ms.
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=ReachabilityFireability.xml --memory=6 --mcc-mode

parse successfull
net created successfully

Net: AutonomousCar_PT_02a
(NrP: 33 NrTr: 69 NrArc: 368)

parse formulas
formulas created successfully
place and transition orderings generation:0m 0.001sec

net check time: 0m 0.000sec

init dd package: 0m 2.947sec


RS generation: 0m 0.006sec


-> reachability set: #nodes 457 (4.6e+02) #states 2,314 (3)



starting MCC model checker
--------------------------

checking: AG [~ [IS_FIREABLE [t46]]]
normalized: ~ [E [true U IS_FIREABLE [t46]]]

-> the formula is FALSE

FORMULA AutonomousCar-PT-02a-ReachabilityFireability-13 FALSE TECHNIQUES SEQUENTIAL_PROCESSING DECISION_DIAGRAMS UNFOLDING_TO_PT

MC time: 0m 0.016sec

checking: EF [~ [IS_FIREABLE [t47]]]
normalized: E [true U ~ [IS_FIREABLE [t47]]]

-> the formula is TRUE

FORMULA AutonomousCar-PT-02a-ReachabilityFireability-15 TRUE TECHNIQUES SEQUENTIAL_PROCESSING DECISION_DIAGRAMS UNFOLDING_TO_PT

MC time: 0m 0.007sec

checking: EF [[[IS_FIREABLE [t16] & [~ [[~ [[[IS_FIREABLE [t36] & IS_FIREABLE [t60]] & ~ [IS_FIREABLE [t63]]]] | [~ [IS_FIREABLE [t21]] & IS_FIREABLE [t56]]]] & IS_FIREABLE [t41]]] & IS_FIREABLE [t54]]]
normalized: E [true U [[[~ [[~ [[~ [IS_FIREABLE [t63]] & [IS_FIREABLE [t36] & IS_FIREABLE [t60]]]] | [~ [IS_FIREABLE [t21]] & IS_FIREABLE [t56]]]] & IS_FIREABLE [t41]] & IS_FIREABLE [t16]] & IS_FIREABLE [t54]]]

-> the formula is FALSE

FORMULA AutonomousCar-PT-02a-ReachabilityFireability-04 FALSE TECHNIQUES SEQUENTIAL_PROCESSING DECISION_DIAGRAMS UNFOLDING_TO_PT

MC time: 0m 0.001sec

checking: EF [[IS_FIREABLE [t52] & [~ [[~ [[~ [[~ [IS_FIREABLE [t30]] | [IS_FIREABLE [t10] & IS_FIREABLE [t3]]]] | [IS_FIREABLE [t22] & ~ [IS_FIREABLE [t56]]]]] | IS_FIREABLE [t46]]] | [IS_FIREABLE [t39] | IS_FIREABLE [t56]]]]]
normalized: E [true U [[[IS_FIREABLE [t39] | IS_FIREABLE [t56]] | ~ [[~ [[~ [[[IS_FIREABLE [t10] & IS_FIREABLE [t3]] | ~ [IS_FIREABLE [t30]]]] | [~ [IS_FIREABLE [t56]] & IS_FIREABLE [t22]]]] | IS_FIREABLE [t46]]]] & IS_FIREABLE [t52]]]

-> the formula is FALSE

FORMULA AutonomousCar-PT-02a-ReachabilityFireability-06 FALSE TECHNIQUES SEQUENTIAL_PROCESSING DECISION_DIAGRAMS UNFOLDING_TO_PT

MC time: 0m 0.000sec

checking: EF [~ [[~ [[[[IS_FIREABLE [t14] & IS_FIREABLE [t65]] & [IS_FIREABLE [t32] | IS_FIREABLE [t11]]] | ~ [[IS_FIREABLE [t46] | IS_FIREABLE [t13]]]]] | [IS_FIREABLE [t48] | [IS_FIREABLE [t7] | [~ [IS_FIREABLE [t6]] | IS_FIREABLE [t30]]]]]]]
normalized: E [true U ~ [[[IS_FIREABLE [t48] | [[~ [IS_FIREABLE [t6]] | IS_FIREABLE [t30]] | IS_FIREABLE [t7]]] | ~ [[~ [[IS_FIREABLE [t46] | IS_FIREABLE [t13]]] | [[IS_FIREABLE [t32] | IS_FIREABLE [t11]] & [IS_FIREABLE [t14] & IS_FIREABLE [t65]]]]]]]]

-> the formula is FALSE

FORMULA AutonomousCar-PT-02a-ReachabilityFireability-00 FALSE TECHNIQUES SEQUENTIAL_PROCESSING DECISION_DIAGRAMS UNFOLDING_TO_PT

MC time: 0m 0.001sec

checking: EF [[IS_FIREABLE [t41] & ~ [[[~ [[IS_FIREABLE [t24] & IS_FIREABLE [t16]]] | [IS_FIREABLE [t44] & [[[IS_FIREABLE [t32] & IS_FIREABLE [t59]] | [IS_FIREABLE [t42] | IS_FIREABLE [t13]]] | ~ [IS_FIREABLE [t37]]]]] | ~ [IS_FIREABLE [t42]]]]]]
normalized: E [true U [~ [[~ [IS_FIREABLE [t42]] | [[[~ [IS_FIREABLE [t37]] | [[IS_FIREABLE [t42] | IS_FIREABLE [t13]] | [IS_FIREABLE [t32] & IS_FIREABLE [t59]]]] & IS_FIREABLE [t44]] | ~ [[IS_FIREABLE [t24] & IS_FIREABLE [t16]]]]]] & IS_FIREABLE [t41]]]

-> the formula is FALSE

FORMULA AutonomousCar-PT-02a-ReachabilityFireability-02 FALSE TECHNIQUES SEQUENTIAL_PROCESSING DECISION_DIAGRAMS UNFOLDING_TO_PT

MC time: 0m 0.000sec

checking: EF [[IS_FIREABLE [t66] & ~ [[[~ [[[[IS_FIREABLE [t36] & IS_FIREABLE [t6]] & IS_FIREABLE [t28]] | IS_FIREABLE [t26]]] & ~ [[~ [IS_FIREABLE [t3]] & ~ [IS_FIREABLE [t26]]]]] | ~ [[~ [[IS_FIREABLE [t1] & IS_FIREABLE [t17]]] & [[IS_FIREABLE [t40] | IS_FIREABLE [t52]] & ~ [IS_FIREABLE [t40]]]]]]]]]
normalized: E [true U [~ [[[~ [[[[IS_FIREABLE [t36] & IS_FIREABLE [t6]] & IS_FIREABLE [t28]] | IS_FIREABLE [t26]]] & ~ [[~ [IS_FIREABLE [t26]] & ~ [IS_FIREABLE [t3]]]]] | ~ [[[~ [IS_FIREABLE [t40]] & [IS_FIREABLE [t40] | IS_FIREABLE [t52]]] & ~ [[IS_FIREABLE [t1] & IS_FIREABLE [t17]]]]]]] & IS_FIREABLE [t66]]]

-> the formula is FALSE

FORMULA AutonomousCar-PT-02a-ReachabilityFireability-09 FALSE TECHNIQUES SEQUENTIAL_PROCESSING DECISION_DIAGRAMS UNFOLDING_TO_PT

MC time: 0m 0.001sec

checking: EF [~ [[~ [IS_FIREABLE [t54]] | [[IS_FIREABLE [t27] & [[IS_FIREABLE [t18] & [~ [[IS_FIREABLE [t57] | IS_FIREABLE [t12]]] | ~ [IS_FIREABLE [t47]]]] & IS_FIREABLE [t33]]] & [~ [IS_FIREABLE [t13]] | [~ [IS_FIREABLE [t27]] | [~ [IS_FIREABLE [t30]] & [[[IS_FIREABLE [t61] & IS_FIREABLE [t7]] & ~ [IS_FIREABLE [t36]]] | [~ [IS_FIREABLE [t4]] & IS_FIREABLE [t4]]]]]]]]]]
normalized: E [true U ~ [[[[[[[[~ [IS_FIREABLE [t4]] & IS_FIREABLE [t4]] | [~ [IS_FIREABLE [t36]] & [IS_FIREABLE [t61] & IS_FIREABLE [t7]]]] & ~ [IS_FIREABLE [t30]]] | ~ [IS_FIREABLE [t27]]] | ~ [IS_FIREABLE [t13]]] & [[[[~ [IS_FIREABLE [t47]] | ~ [[IS_FIREABLE [t57] | IS_FIREABLE [t12]]]] & IS_FIREABLE [t18]] & IS_FIREABLE [t33]] & IS_FIREABLE [t27]]] | ~ [IS_FIREABLE [t54]]]]]

-> the formula is TRUE

FORMULA AutonomousCar-PT-02a-ReachabilityFireability-12 TRUE TECHNIQUES SEQUENTIAL_PROCESSING DECISION_DIAGRAMS UNFOLDING_TO_PT

MC time: 0m 0.033sec

checking: AG [[IS_FIREABLE [t39] & [~ [[~ [IS_FIREABLE [t32]] & ~ [[[[~ [IS_FIREABLE [t42]] & ~ [IS_FIREABLE [t62]]] | [IS_FIREABLE [t31] | [IS_FIREABLE [t34] | IS_FIREABLE [t10]]]] & [[[IS_FIREABLE [t23] & IS_FIREABLE [t16]] | ~ [IS_FIREABLE [t52]]] | [[IS_FIREABLE [t48] & IS_FIREABLE [t11]] & [IS_FIREABLE [t23] | IS_FIREABLE [t55]]]]]]]] | [[IS_FIREABLE [t64] & ~ [[IS_FIREABLE [t1] | ~ [[IS_FIREABLE [t63] & IS_FIREABLE [t50]]]]]] & IS_FIREABLE [t0]]]]]
normalized: ~ [E [true U ~ [[[[[~ [[~ [[IS_FIREABLE [t63] & IS_FIREABLE [t50]]] | IS_FIREABLE [t1]]] & IS_FIREABLE [t64]] & IS_FIREABLE [t0]] | ~ [[~ [[[[[IS_FIREABLE [t23] | IS_FIREABLE [t55]] & [IS_FIREABLE [t48] & IS_FIREABLE [t11]]] | [~ [IS_FIREABLE [t52]] | [IS_FIREABLE [t23] & IS_FIREABLE [t16]]]] & [[[IS_FIREABLE [t34] | IS_FIREABLE [t10]] | IS_FIREABLE [t31]] | [~ [IS_FIREABLE [t62]] & ~ [IS_FIREABLE [t42]]]]]] & ~ [IS_FIREABLE [t32]]]]] & IS_FIREABLE [t39]]]]]

-> the formula is FALSE

FORMULA AutonomousCar-PT-02a-ReachabilityFireability-14 FALSE TECHNIQUES SEQUENTIAL_PROCESSING DECISION_DIAGRAMS UNFOLDING_TO_PT

MC time: 0m 0.002sec

checking: AG [[[~ [[IS_FIREABLE [t34] & [IS_FIREABLE [t2] & [[IS_FIREABLE [t61] & [IS_FIREABLE [t67] & IS_FIREABLE [t59]]] & [~ [IS_FIREABLE [t21]] & ~ [IS_FIREABLE [t43]]]]]]] | [[[[[~ [IS_FIREABLE [t3]] | ~ [IS_FIREABLE [t33]]] & IS_FIREABLE [t45]] & ~ [[IS_FIREABLE [t56] | IS_FIREABLE [t14]]]] & [~ [[[IS_FIREABLE [t64] | IS_FIREABLE [t4]] | IS_FIREABLE [t42]]] | IS_FIREABLE [t59]]] | ~ [[[IS_FIREABLE [t61] | [IS_FIREABLE [t34] & IS_FIREABLE [t33]]] & IS_FIREABLE [t8]]]]] & ~ [[IS_FIREABLE [t62] & ~ [[~ [IS_FIREABLE [t29]] | ~ [[IS_FIREABLE [t46] | ~ [[IS_FIREABLE [t67] | IS_FIREABLE [t36]]]]]]]]]]]
normalized: ~ [E [true U ~ [[~ [[~ [[~ [[~ [[IS_FIREABLE [t67] | IS_FIREABLE [t36]]] | IS_FIREABLE [t46]]] | ~ [IS_FIREABLE [t29]]]] & IS_FIREABLE [t62]]] & [[~ [[[[IS_FIREABLE [t34] & IS_FIREABLE [t33]] | IS_FIREABLE [t61]] & IS_FIREABLE [t8]]] | [[~ [[[IS_FIREABLE [t64] | IS_FIREABLE [t4]] | IS_FIREABLE [t42]]] | IS_FIREABLE [t59]] & [~ [[IS_FIREABLE [t56] | IS_FIREABLE [t14]]] & [[~ [IS_FIREABLE [t33]] | ~ [IS_FIREABLE [t3]]] & IS_FIREABLE [t45]]]]] | ~ [[[[[~ [IS_FIREABLE [t43]] & ~ [IS_FIREABLE [t21]]] & [[IS_FIREABLE [t67] & IS_FIREABLE [t59]] & IS_FIREABLE [t61]]] & IS_FIREABLE [t2]] & IS_FIREABLE [t34]]]]]]]]

-> the formula is TRUE

FORMULA AutonomousCar-PT-02a-ReachabilityFireability-03 TRUE TECHNIQUES SEQUENTIAL_PROCESSING DECISION_DIAGRAMS UNFOLDING_TO_PT

MC time: 0m 0.001sec

checking: EF [[~ [IS_FIREABLE [t0]] & ~ [[~ [[[~ [IS_FIREABLE [t48]] | [~ [[IS_FIREABLE [t54] | IS_FIREABLE [t38]]] & IS_FIREABLE [t32]]] | [[[[IS_FIREABLE [t65] & IS_FIREABLE [t31]] & [IS_FIREABLE [t18] & IS_FIREABLE [t27]]] | [[IS_FIREABLE [t36] & IS_FIREABLE [t40]] | [IS_FIREABLE [t26] & IS_FIREABLE [t6]]]] & [~ [[IS_FIREABLE [t47] & IS_FIREABLE [t31]]] & [[IS_FIREABLE [t33] | IS_FIREABLE [t27]] & [IS_FIREABLE [t33] & IS_FIREABLE [t14]]]]]]] | ~ [[IS_FIREABLE [t29] & [[IS_FIREABLE [t10] | [IS_FIREABLE [t40] | [IS_FIREABLE [t39] | IS_FIREABLE [t32]]]] & [IS_FIREABLE [t10] & IS_FIREABLE [t55]]]]]]]]]
normalized: E [true U [~ [[~ [[[[IS_FIREABLE [t10] & IS_FIREABLE [t55]] & [[[IS_FIREABLE [t39] | IS_FIREABLE [t32]] | IS_FIREABLE [t40]] | IS_FIREABLE [t10]]] & IS_FIREABLE [t29]]] | ~ [[[[[[IS_FIREABLE [t33] & IS_FIREABLE [t14]] & [IS_FIREABLE [t33] | IS_FIREABLE [t27]]] & ~ [[IS_FIREABLE [t47] & IS_FIREABLE [t31]]]] & [[[IS_FIREABLE [t26] & IS_FIREABLE [t6]] | [IS_FIREABLE [t36] & IS_FIREABLE [t40]]] | [[IS_FIREABLE [t18] & IS_FIREABLE [t27]] & [IS_FIREABLE [t65] & IS_FIREABLE [t31]]]]] | [[~ [[IS_FIREABLE [t54] | IS_FIREABLE [t38]]] & IS_FIREABLE [t32]] | ~ [IS_FIREABLE [t48]]]]]]] & ~ [IS_FIREABLE [t0]]]]

-> the formula is FALSE

FORMULA AutonomousCar-PT-02a-ReachabilityFireability-08 FALSE TECHNIQUES SEQUENTIAL_PROCESSING DECISION_DIAGRAMS UNFOLDING_TO_PT

MC time: 0m 0.000sec

checking: EF [[~ [IS_FIREABLE [t35]] | [[~ [[IS_FIREABLE [t2] & [~ [[IS_FIREABLE [t64] | IS_FIREABLE [t31]]] & IS_FIREABLE [t26]]]] | [[[[IS_FIREABLE [t45] | ~ [[IS_FIREABLE [t27] & IS_FIREABLE [t32]]]] | IS_FIREABLE [t21]] & [~ [IS_FIREABLE [t8]] | [IS_FIREABLE [t58] | [[IS_FIREABLE [t24] | IS_FIREABLE [t63]] | [IS_FIREABLE [t20] & IS_FIREABLE [t32]]]]]] | [IS_FIREABLE [t56] & IS_FIREABLE [t11]]]] | [IS_FIREABLE [t23] & [IS_FIREABLE [t7] | ~ [[[[IS_FIREABLE [t59] & IS_FIREABLE [t62]] & [IS_FIREABLE [t36] & IS_FIREABLE [t4]]] | [[IS_FIREABLE [t31] & IS_FIREABLE [t55]] | [IS_FIREABLE [t19] & IS_FIREABLE [t12]]]]]]]]]]
normalized: E [true U [[[[[[[~ [[IS_FIREABLE [t27] & IS_FIREABLE [t32]]] | IS_FIREABLE [t45]] | IS_FIREABLE [t21]] & [[[[IS_FIREABLE [t20] & IS_FIREABLE [t32]] | [IS_FIREABLE [t24] | IS_FIREABLE [t63]]] | IS_FIREABLE [t58]] | ~ [IS_FIREABLE [t8]]]] | [IS_FIREABLE [t56] & IS_FIREABLE [t11]]] | ~ [[[~ [[IS_FIREABLE [t64] | IS_FIREABLE [t31]]] & IS_FIREABLE [t26]] & IS_FIREABLE [t2]]]] | [[~ [[[[IS_FIREABLE [t19] & IS_FIREABLE [t12]] | [IS_FIREABLE [t31] & IS_FIREABLE [t55]]] | [[IS_FIREABLE [t36] & IS_FIREABLE [t4]] & [IS_FIREABLE [t59] & IS_FIREABLE [t62]]]]] | IS_FIREABLE [t7]] & IS_FIREABLE [t23]]] | ~ [IS_FIREABLE [t35]]]]

-> the formula is TRUE

FORMULA AutonomousCar-PT-02a-ReachabilityFireability-10 TRUE TECHNIQUES SEQUENTIAL_PROCESSING DECISION_DIAGRAMS UNFOLDING_TO_PT

MC time: 0m 0.000sec

checking: EF [[[[[IS_FIREABLE [t7] | ~ [[[~ [IS_FIREABLE [t45]] & ~ [[IS_FIREABLE [t27] & IS_FIREABLE [t32]]]] & [[[IS_FIREABLE [t5] & IS_FIREABLE [t25]] | IS_FIREABLE [t20]] | ~ [[IS_FIREABLE [t60] & IS_FIREABLE [t28]]]]]]] & IS_FIREABLE [t0]] & ~ [[[IS_FIREABLE [t20] | [[[[IS_FIREABLE [t54] & IS_FIREABLE [t67]] & ~ [IS_FIREABLE [t27]]] | ~ [[IS_FIREABLE [t53] & IS_FIREABLE [t65]]]] & IS_FIREABLE [t11]]] & [[~ [[[IS_FIREABLE [t35] & IS_FIREABLE [t28]] & [IS_FIREABLE [t42] | IS_FIREABLE [t22]]]] | ~ [[IS_FIREABLE [t50] | IS_FIREABLE [t41]]]] | ~ [[[IS_FIREABLE [t48] & ~ [IS_FIREABLE [t2]]] | IS_FIREABLE [t46]]]]]]] & [IS_FIREABLE [t27] | ~ [IS_FIREABLE [t19]]]]]
normalized: E [true U [[~ [[[[~ [[[IS_FIREABLE [t42] | IS_FIREABLE [t22]] & [IS_FIREABLE [t35] & IS_FIREABLE [t28]]]] | ~ [[IS_FIREABLE [t50] | IS_FIREABLE [t41]]]] | ~ [[[~ [IS_FIREABLE [t2]] & IS_FIREABLE [t48]] | IS_FIREABLE [t46]]]] & [[[~ [[IS_FIREABLE [t53] & IS_FIREABLE [t65]]] | [~ [IS_FIREABLE [t27]] & [IS_FIREABLE [t54] & IS_FIREABLE [t67]]]] & IS_FIREABLE [t11]] | IS_FIREABLE [t20]]]] & [[~ [[[~ [[IS_FIREABLE [t60] & IS_FIREABLE [t28]]] | [[IS_FIREABLE [t5] & IS_FIREABLE [t25]] | IS_FIREABLE [t20]]] & [~ [[IS_FIREABLE [t27] & IS_FIREABLE [t32]]] & ~ [IS_FIREABLE [t45]]]]] | IS_FIREABLE [t7]] & IS_FIREABLE [t0]]] & [~ [IS_FIREABLE [t19]] | IS_FIREABLE [t27]]]]

-> the formula is FALSE

FORMULA AutonomousCar-PT-02a-ReachabilityFireability-01 FALSE TECHNIQUES SEQUENTIAL_PROCESSING DECISION_DIAGRAMS UNFOLDING_TO_PT

MC time: 0m 0.000sec

checking: AG [[[[[IS_FIREABLE [t66] & IS_FIREABLE [t50]] & [[~ [[IS_FIREABLE [t33] | ~ [IS_FIREABLE [t61]]]] | ~ [IS_FIREABLE [t55]]] & [[IS_FIREABLE [t32] | [IS_FIREABLE [t49] & [IS_FIREABLE [t64] | [IS_FIREABLE [t63] | IS_FIREABLE [t64]]]]] | [IS_FIREABLE [t21] | [~ [[IS_FIREABLE [t14] & IS_FIREABLE [t7]]] | ~ [[IS_FIREABLE [t50] & IS_FIREABLE [t52]]]]]]]] & IS_FIREABLE [t59]] | ~ [[IS_FIREABLE [t66] & [[[[IS_FIREABLE [t30] | [[IS_FIREABLE [t7] | IS_FIREABLE [t27]] & [IS_FIREABLE [t9] | IS_FIREABLE [t37]]]] & ~ [[IS_FIREABLE [t23] | IS_FIREABLE [t63]]]] | [[IS_FIREABLE [t4] | IS_FIREABLE [t50]] | [~ [[IS_FIREABLE [t9] & IS_FIREABLE [t18]]] | IS_FIREABLE [t17]]]] & [IS_FIREABLE [t35] | IS_FIREABLE [t47]]]]]]]
normalized: ~ [E [true U ~ [[~ [[[[IS_FIREABLE [t35] | IS_FIREABLE [t47]] & [[[~ [[IS_FIREABLE [t9] & IS_FIREABLE [t18]]] | IS_FIREABLE [t17]] | [IS_FIREABLE [t4] | IS_FIREABLE [t50]]] | [~ [[IS_FIREABLE [t23] | IS_FIREABLE [t63]]] & [[[IS_FIREABLE [t9] | IS_FIREABLE [t37]] & [IS_FIREABLE [t7] | IS_FIREABLE [t27]]] | IS_FIREABLE [t30]]]]] & IS_FIREABLE [t66]]] | [[[[[[~ [[IS_FIREABLE [t50] & IS_FIREABLE [t52]]] | ~ [[IS_FIREABLE [t14] & IS_FIREABLE [t7]]]] | IS_FIREABLE [t21]] | [[[[IS_FIREABLE [t63] | IS_FIREABLE [t64]] | IS_FIREABLE [t64]] & IS_FIREABLE [t49]] | IS_FIREABLE [t32]]] & [~ [IS_FIREABLE [t55]] | ~ [[~ [IS_FIREABLE [t61]] | IS_FIREABLE [t33]]]]] & [IS_FIREABLE [t66] & IS_FIREABLE [t50]]] & IS_FIREABLE [t59]]]]]]

-> the formula is TRUE

FORMULA AutonomousCar-PT-02a-ReachabilityFireability-05 TRUE TECHNIQUES SEQUENTIAL_PROCESSING DECISION_DIAGRAMS UNFOLDING_TO_PT

MC time: 0m 0.000sec

checking: EF [[[[[~ [[IS_FIREABLE [t23] & ~ [IS_FIREABLE [t64]]]] | [IS_FIREABLE [t33] | ~ [[IS_FIREABLE [t29] & IS_FIREABLE [t31]]]]] | [IS_FIREABLE [t31] | ~ [IS_FIREABLE [t59]]]] | [[IS_FIREABLE [t24] | IS_FIREABLE [t2]] & IS_FIREABLE [t12]]] & ~ [[~ [[[~ [IS_FIREABLE [t4]] | [[IS_FIREABLE [t37] | IS_FIREABLE [t9]] | ~ [IS_FIREABLE [t6]]]] & ~ [[[IS_FIREABLE [t53] & IS_FIREABLE [t42]] & ~ [IS_FIREABLE [t59]]]]]] & [[IS_FIREABLE [t15] | IS_FIREABLE [t7]] | [[[~ [IS_FIREABLE [t52]] & [IS_FIREABLE [t39] | IS_FIREABLE [t37]]] | ~ [[~ [IS_FIREABLE [t57]] & ~ [IS_FIREABLE [t32]]]]] & [[[~ [IS_FIREABLE [t3]] & [IS_FIREABLE [t39] & IS_FIREABLE [t64]]] | [[IS_FIREABLE [t23] & IS_FIREABLE [t54]] | IS_FIREABLE [t67]]] | [IS_FIREABLE [t12] & [IS_FIREABLE [t53] | ~ [IS_FIREABLE [t18]]]]]]]]]]]
normalized: E [true U [~ [[[[[[[~ [IS_FIREABLE [t18]] | IS_FIREABLE [t53]] & IS_FIREABLE [t12]] | [[[IS_FIREABLE [t23] & IS_FIREABLE [t54]] | IS_FIREABLE [t67]] | [[IS_FIREABLE [t39] & IS_FIREABLE [t64]] & ~ [IS_FIREABLE [t3]]]]] & [~ [[~ [IS_FIREABLE [t32]] & ~ [IS_FIREABLE [t57]]]] | [[IS_FIREABLE [t39] | IS_FIREABLE [t37]] & ~ [IS_FIREABLE [t52]]]]] | [IS_FIREABLE [t15] | IS_FIREABLE [t7]]] & ~ [[~ [[~ [IS_FIREABLE [t59]] & [IS_FIREABLE [t53] & IS_FIREABLE [t42]]]] & [[~ [IS_FIREABLE [t6]] | [IS_FIREABLE [t37] | IS_FIREABLE [t9]]] | ~ [IS_FIREABLE [t4]]]]]]] & [[[IS_FIREABLE [t24] | IS_FIREABLE [t2]] & IS_FIREABLE [t12]] | [[~ [IS_FIREABLE [t59]] | IS_FIREABLE [t31]] | [[~ [[IS_FIREABLE [t29] & IS_FIREABLE [t31]]] | IS_FIREABLE [t33]] | ~ [[~ [IS_FIREABLE [t64]] & IS_FIREABLE [t23]]]]]]]]

-> the formula is TRUE

FORMULA AutonomousCar-PT-02a-ReachabilityFireability-11 TRUE TECHNIQUES SEQUENTIAL_PROCESSING DECISION_DIAGRAMS UNFOLDING_TO_PT

MC time: 0m 0.001sec

checking: AG [[[[IS_FIREABLE [t63] & [~ [IS_FIREABLE [t58]] | ~ [IS_FIREABLE [t21]]]] & [IS_FIREABLE [t22] | ~ [[IS_FIREABLE [t21] & [~ [[[IS_FIREABLE [t43] & IS_FIREABLE [t5]] & [IS_FIREABLE [t44] | IS_FIREABLE [t20]]]] & IS_FIREABLE [t21]]]]]] | [[[[[[~ [IS_FIREABLE [t67]] & IS_FIREABLE [t26]] & IS_FIREABLE [t58]] & [~ [[IS_FIREABLE [t3] | [IS_FIREABLE [t39] & IS_FIREABLE [t54]]]] & IS_FIREABLE [t54]]] | [[~ [[[IS_FIREABLE [t55] | IS_FIREABLE [t53]] | [IS_FIREABLE [t7] & IS_FIREABLE [t45]]]] & ~ [[[IS_FIREABLE [t7] | IS_FIREABLE [t36]] & [IS_FIREABLE [t28] | IS_FIREABLE [t38]]]]] | IS_FIREABLE [t46]]] | ~ [[[~ [IS_FIREABLE [t4]] | ~ [IS_FIREABLE [t9]]] & [~ [IS_FIREABLE [t12]] | IS_FIREABLE [t15]]]]] | [~ [[[~ [[[IS_FIREABLE [t22] | IS_FIREABLE [t8]] | [IS_FIREABLE [t30] & IS_FIREABLE [t7]]]] & [IS_FIREABLE [t33] | IS_FIREABLE [t66]]] & [[~ [[IS_FIREABLE [t29] & IS_FIREABLE [t39]]] & [~ [IS_FIREABLE [t61]] | IS_FIREABLE [t2]]] & ~ [[IS_FIREABLE [t63] | IS_FIREABLE [t43]]]]]] | IS_FIREABLE [t15]]]]]
normalized: ~ [E [true U ~ [[[[~ [[[[[~ [IS_FIREABLE [t61]] | IS_FIREABLE [t2]] & ~ [[IS_FIREABLE [t29] & IS_FIREABLE [t39]]]] & ~ [[IS_FIREABLE [t63] | IS_FIREABLE [t43]]]] & [[IS_FIREABLE [t33] | IS_FIREABLE [t66]] & ~ [[[IS_FIREABLE [t30] & IS_FIREABLE [t7]] | [IS_FIREABLE [t22] | IS_FIREABLE [t8]]]]]]] | IS_FIREABLE [t15]] | [~ [[[~ [IS_FIREABLE [t12]] | IS_FIREABLE [t15]] & [~ [IS_FIREABLE [t9]] | ~ [IS_FIREABLE [t4]]]]] | [[[~ [[[IS_FIREABLE [t28] | IS_FIREABLE [t38]] & [IS_FIREABLE [t7] | IS_FIREABLE [t36]]]] & ~ [[[IS_FIREABLE [t7] & IS_FIREABLE [t45]] | [IS_FIREABLE [t55] | IS_FIREABLE [t53]]]]] | IS_FIREABLE [t46]] | [[~ [[[IS_FIREABLE [t39] & IS_FIREABLE [t54]] | IS_FIREABLE [t3]]] & IS_FIREABLE [t54]] & [[~ [IS_FIREABLE [t67]] & IS_FIREABLE [t26]] & IS_FIREABLE [t58]]]]]] | [[~ [[[~ [[[IS_FIREABLE [t44] | IS_FIREABLE [t20]] & [IS_FIREABLE [t43] & IS_FIREABLE [t5]]]] & IS_FIREABLE [t21]] & IS_FIREABLE [t21]]] | IS_FIREABLE [t22]] & [[~ [IS_FIREABLE [t21]] | ~ [IS_FIREABLE [t58]]] & IS_FIREABLE [t63]]]]]]]

-> the formula is TRUE

FORMULA AutonomousCar-PT-02a-ReachabilityFireability-07 TRUE TECHNIQUES SEQUENTIAL_PROCESSING DECISION_DIAGRAMS UNFOLDING_TO_PT

MC time: 0m 0.001sec

totally nodes used: 22029 (2.2e+04)
number of garbage collections: 0
fire ops cache: hits/miss/sum: 34824 87993 122817
used/not used/entry size/cache size: 97465 67011399 16 1024MB
basic ops cache: hits/miss/sum: 16085 34061 50146
used/not used/entry size/cache size: 59639 16717577 12 192MB
unary ops cache: hits/miss/sum: 0 0 0
used/not used/entry size/cache size: 0 16777216 8 128MB
abstract ops cache: hits/miss/sum: 0 0 0
used/not used/entry size/cache size: 0 16777216 12 192MB
state nr cache: hits/miss/sum: 150 457 607
used/not used/entry size/cache size: 457 8388151 32 256MB
max state cache: hits/miss/sum: 0 0 0
used/not used/entry size/cache size: 0 8388608 32 256MB
uniqueHash elements/entry size/size: 67108864 4 256MB
0 67086958
1 21784
2 121
3 1
4 0
5 0
6 0
7 0
8 0
9 0
>= 10 0

Total processing time: 0m 4.837sec


BK_STOP 1678698771417

--------------------
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//
++ perl -pe 's/.*\.//g'
++ ls /home/mcc/BenchKit/bin//../reducer/bin//../../itstools//itstools/plugins/fr.lip6.move.gal.application.pnmcc_1.0.0.202303021504.jar
+ VERSION=202303021504
+ echo 'Running Version 202303021504'
+ /home/mcc/BenchKit/bin//../reducer/bin//../../itstools//itstools/its-tools -pnfolder /home/mcc/execution -examination ReachabilityFireability -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 0.000sec


iterations count:1974 (28), effective:167 (2)

initing FirstDep: 0m 0.000sec


iterations count:1043 (15), effective:69 (1)

iterations count:70 (1), effective:1 (0)

iterations count:2822 (40), effective:176 (2)

iterations count:148 (2), effective:4 (0)

iterations count:69 (1), effective:0 (0)

iterations count:69 (1), effective:0 (0)

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="AutonomousCar-PT-02a"
export BK_EXAMINATION="ReachabilityFireability"
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 AutonomousCar-PT-02a, examination is ReachabilityFireability"
echo " Time confinement is $BK_TIME_CONFINEMENT seconds"
echo " Memory confinement is 16384 MBytes"
echo " Number of cores is 4"
echo " Run identifier is r010-oct2-167813599200551"
echo "====================================================================="
echo
echo "--------------------"
echo "preparation of the directory to be used:"

tar xzf /home/mcc/BenchKit/INPUTS/AutonomousCar-PT-02a.tgz
mv AutonomousCar-PT-02a execution
cd execution
if [ "ReachabilityFireability" = "ReachabilityDeadlock" ] || [ "ReachabilityFireability" = "UpperBounds" ] || [ "ReachabilityFireability" = "QuasiLiveness" ] || [ "ReachabilityFireability" = "StableMarking" ] || [ "ReachabilityFireability" = "Liveness" ] || [ "ReachabilityFireability" = "OneSafe" ] || [ "ReachabilityFireability" = "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 [ "ReachabilityFireability" = "UpperBounds" ] ; then
echo "The expected result is a vector of positive values"
echo NUM_VECTOR
elif [ "ReachabilityFireability" != "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 "ReachabilityFireability.txt" ] ; then
echo "here is the order used to build the result vector(from text file)"
for x in $(grep Property ReachabilityFireability.txt | cut -d ' ' -f 2 | sort -u) ; do
echo "FORMULA_NAME $x"
done
elif [ -f "ReachabilityFireability.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 '' ReachabilityFireability.xml | cut -d '>' -f 2 | cut -d '<' -f 1 | sort -u) ; do
echo "FORMULA_NAME $x"
done
elif [ "ReachabilityFireability" = "ReachabilityDeadlock" ] || [ "ReachabilityFireability" = "QuasiLiveness" ] || [ "ReachabilityFireability" = "StableMarking" ] || [ "ReachabilityFireability" = "Liveness" ] || [ "ReachabilityFireability" = "OneSafe" ] ; then
echo "FORMULA_NAME ReachabilityFireability"
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 ;