About the Execution of ITS-Tools for SieveSingleMsgMbox-PT-d0m36
Execution Summary | |||||
Max Memory Used (MB) |
Time wait (ms) | CPU Usage (ms) | I/O Wait (ms) | Computed Result | Execution Status |
3255.844 | 698143.00 | 719510.00 | 539.10 | TFFFTTTTTTTFFTTF | normal |
Execution Chart
We display below the execution chart for this examination (boot time has been removed).
Trace from the execution
Formatting '/mnt/tpsp/fkordon/mcc2023-input.r421-tajo-167905975200377.qcow2', fmt=qcow2 size=4294967296 backing_file='/mnt/tpsp/fkordon/mcc2023-input.qcow2' encryption=off cluster_size=65536 lazy_refcounts=off
Waiting for the VM to be ready (probing ssh)
...........................................................................................................................................................................................................................................................
=====================================================================
Generated by BenchKit 2-5348
Executing tool itstools
Input is SieveSingleMsgMbox-PT-d0m36, examination is CTLCardinality
Time confinement is 3600 seconds
Memory confinement is 16384 MBytes
Number of cores is 4
Run identifier is r421-tajo-167905975200377
=====================================================================
--------------------
preparation of the directory to be used:
/home/mcc/execution
total 564K
-rw-r--r-- 1 mcc users 7.3K Feb 26 10:29 CTLCardinality.txt
-rw-r--r-- 1 mcc users 81K Feb 26 10:29 CTLCardinality.xml
-rw-r--r-- 1 mcc users 5.5K Feb 26 10:28 CTLFireability.txt
-rw-r--r-- 1 mcc users 49K Feb 26 10:28 CTLFireability.xml
-rw-r--r-- 1 mcc users 3.9K Feb 25 17:05 LTLCardinality.txt
-rw-r--r-- 1 mcc users 26K Feb 25 17:05 LTLCardinality.xml
-rw-r--r-- 1 mcc users 2.3K Feb 25 17:05 LTLFireability.txt
-rw-r--r-- 1 mcc users 18K Feb 25 17:05 LTLFireability.xml
-rw-r--r-- 1 mcc users 17K Feb 26 10:30 ReachabilityCardinality.txt
-rw-r--r-- 1 mcc users 188K Feb 26 10:30 ReachabilityCardinality.xml
-rw-r--r-- 1 mcc users 7.1K Feb 26 10:30 ReachabilityFireability.txt
-rw-r--r-- 1 mcc users 59K Feb 26 10:30 ReachabilityFireability.xml
-rw-r--r-- 1 mcc users 1.8K Feb 25 17:05 UpperBounds.txt
-rw-r--r-- 1 mcc users 3.8K Feb 25 17:05 UpperBounds.xml
-rw-r--r-- 1 mcc users 6 Mar 5 18:23 equiv_col
-rw-r--r-- 1 mcc users 6 Mar 5 18:23 instance
-rw-r--r-- 1 mcc users 6 Mar 5 18:23 iscolored
-rw-r--r-- 1 mcc users 57K 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 SieveSingleMsgMbox-PT-d0m36-CTLCardinality-00
FORMULA_NAME SieveSingleMsgMbox-PT-d0m36-CTLCardinality-01
FORMULA_NAME SieveSingleMsgMbox-PT-d0m36-CTLCardinality-02
FORMULA_NAME SieveSingleMsgMbox-PT-d0m36-CTLCardinality-03
FORMULA_NAME SieveSingleMsgMbox-PT-d0m36-CTLCardinality-04
FORMULA_NAME SieveSingleMsgMbox-PT-d0m36-CTLCardinality-05
FORMULA_NAME SieveSingleMsgMbox-PT-d0m36-CTLCardinality-06
FORMULA_NAME SieveSingleMsgMbox-PT-d0m36-CTLCardinality-07
FORMULA_NAME SieveSingleMsgMbox-PT-d0m36-CTLCardinality-08
FORMULA_NAME SieveSingleMsgMbox-PT-d0m36-CTLCardinality-09
FORMULA_NAME SieveSingleMsgMbox-PT-d0m36-CTLCardinality-10
FORMULA_NAME SieveSingleMsgMbox-PT-d0m36-CTLCardinality-11
FORMULA_NAME SieveSingleMsgMbox-PT-d0m36-CTLCardinality-12
FORMULA_NAME SieveSingleMsgMbox-PT-d0m36-CTLCardinality-13
FORMULA_NAME SieveSingleMsgMbox-PT-d0m36-CTLCardinality-14
FORMULA_NAME SieveSingleMsgMbox-PT-d0m36-CTLCardinality-15
=== Now, execution of the tool begins
BK_START 1679176857541
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=itstools
BK_EXAMINATION=CTLCardinality
BK_BIN_PATH=/home/mcc/BenchKit/bin/
BK_TIME_CONFINEMENT=3600
BK_INPUT=SieveSingleMsgMbox-PT-d0m36
Not applying reductions.
Model is PT
CTLCardinality PT
Running Version 202303021504
[2023-03-18 22:00:59] [INFO ] Running its-tools with arguments : [-pnfolder, /home/mcc/execution, -examination, CTLCardinality, -its, -ltsmin, -greatspnpath, /home/mcc/BenchKit/bin//../itstools/bin//..//greatspn/, -order, META, -manyOrder, -smt, -timeout, 3600]
[2023-03-18 22:00:59] [INFO ] Parsing pnml file : /home/mcc/execution/model.pnml
[2023-03-18 22:00:59] [INFO ] Load time of PNML (sax parser for PT used): 74 ms
[2023-03-18 22:00:59] [INFO ] Transformed 262 places.
[2023-03-18 22:00:59] [INFO ] Transformed 73 transitions.
[2023-03-18 22:00:59] [INFO ] Parsed PT model containing 262 places and 73 transitions and 292 arcs in 183 ms.
Parsed 16 properties from file /home/mcc/execution/CTLCardinality.xml in 21 ms.
Deduced a syphon composed of 190 places in 1 ms
Reduce places removed 190 places and 0 transitions.
Initial state reduction rules removed 1 formulas.
FORMULA SieveSingleMsgMbox-PT-d0m36-CTLCardinality-00 TRUE TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA SieveSingleMsgMbox-PT-d0m36-CTLCardinality-03 FALSE TECHNIQUES TOPOLOGICAL INITIAL_STATE
Support contains 18 out of 72 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 72/72 places, 73/73 transitions.
Reduce places removed 2 places and 0 transitions.
Iterating post reduction 0 with 2 rules applied. Total rules applied 2 place count 70 transition count 73
Discarding 6 places :
Symmetric choice reduction at 1 with 6 rule applications. Total rules 8 place count 64 transition count 67
Iterating global reduction 1 with 6 rules applied. Total rules applied 14 place count 64 transition count 67
Applied a total of 14 rules in 22 ms. Remains 64 /72 variables (removed 8) and now considering 67/73 (removed 6) transitions.
// Phase 1: matrix 67 rows 64 cols
[2023-03-18 22:00:59] [INFO ] Computed 5 place invariants in 8 ms
[2023-03-18 22:00:59] [INFO ] Implicit Places using invariants in 268 ms returned []
[2023-03-18 22:00:59] [INFO ] Invariant cache hit.
[2023-03-18 22:00:59] [INFO ] State equation strengthened by 28 read => feed constraints.
[2023-03-18 22:01:00] [INFO ] Implicit Places using invariants and state equation in 136 ms returned []
Implicit Place search using SMT with State Equation took 433 ms to find 0 implicit places.
[2023-03-18 22:01:00] [INFO ] Invariant cache hit.
[2023-03-18 22:01:00] [INFO ] Dead Transitions using invariants and state equation in 78 ms found 0 transitions.
Starting structural reductions in LTL mode, iteration 1 : 64/72 places, 67/73 transitions.
Finished structural reductions in LTL mode , in 1 iterations and 547 ms. Remains : 64/72 places, 67/73 transitions.
Support contains 18 out of 64 places after structural reductions.
[2023-03-18 22:01:00] [INFO ] Initial state reduction rules for CTL removed 3 formulas.
[2023-03-18 22:01:00] [INFO ] Flatten gal took : 34 ms
[2023-03-18 22:01:00] [INFO ] Initial state reduction rules for CTL removed 2 formulas.
FORMULA SieveSingleMsgMbox-PT-d0m36-CTLCardinality-14 TRUE TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA SieveSingleMsgMbox-PT-d0m36-CTLCardinality-12 FALSE TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA SieveSingleMsgMbox-PT-d0m36-CTLCardinality-11 FALSE TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA SieveSingleMsgMbox-PT-d0m36-CTLCardinality-10 TRUE TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA SieveSingleMsgMbox-PT-d0m36-CTLCardinality-02 FALSE TECHNIQUES TOPOLOGICAL INITIAL_STATE
[2023-03-18 22:01:00] [INFO ] Flatten gal took : 23 ms
[2023-03-18 22:01:00] [INFO ] Input system was already deterministic with 67 transitions.
Support contains 13 out of 64 places (down from 18) after GAL structural reductions.
FORMULA SieveSingleMsgMbox-PT-d0m36-CTLCardinality-08 TRUE TECHNIQUES TOPOLOGICAL INITIAL_STATE
Incomplete random walk after 10000 steps, including 2263 resets, run finished after 540 ms. (steps per millisecond=18 ) properties (out of 13) seen :3
Incomplete Best-First random walk after 10001 steps, including 1053 resets, run finished after 138 ms. (steps per millisecond=72 ) properties (out of 10) seen :0
Incomplete Best-First random walk after 10000 steps, including 1075 resets, run finished after 55 ms. (steps per millisecond=181 ) properties (out of 10) seen :0
Incomplete Best-First random walk after 10000 steps, including 1032 resets, run finished after 59 ms. (steps per millisecond=169 ) properties (out of 10) seen :0
Incomplete Best-First random walk after 10000 steps, including 1018 resets, run finished after 65 ms. (steps per millisecond=153 ) properties (out of 10) seen :0
Incomplete Best-First random walk after 10001 steps, including 977 resets, run finished after 43 ms. (steps per millisecond=232 ) properties (out of 10) seen :0
Incomplete Best-First random walk after 10000 steps, including 1024 resets, run finished after 125 ms. (steps per millisecond=80 ) properties (out of 10) seen :0
Incomplete Best-First random walk after 10001 steps, including 1143 resets, run finished after 186 ms. (steps per millisecond=53 ) properties (out of 10) seen :0
Incomplete Best-First random walk after 10001 steps, including 1048 resets, run finished after 100 ms. (steps per millisecond=100 ) properties (out of 10) seen :0
Incomplete Best-First random walk after 10000 steps, including 1066 resets, run finished after 57 ms. (steps per millisecond=175 ) properties (out of 10) seen :0
Incomplete Best-First random walk after 10000 steps, including 1071 resets, run finished after 54 ms. (steps per millisecond=185 ) properties (out of 10) seen :0
Running SMT prover for 10 properties.
[2023-03-18 22:01:01] [INFO ] Invariant cache hit.
[2023-03-18 22:01:02] [INFO ] [Real]Absence check using 2 positive place invariants in 1 ms returned sat
[2023-03-18 22:01:02] [INFO ] [Real]Absence check using 2 positive and 3 generalized place invariants in 52 ms returned sat
[2023-03-18 22:01:02] [INFO ] After 221ms SMT Verify possible using all constraints in real domain returned unsat :2 sat :0 real:8
[2023-03-18 22:01:02] [INFO ] [Nat]Absence check using 2 positive place invariants in 1 ms returned sat
[2023-03-18 22:01:02] [INFO ] [Nat]Absence check using 2 positive and 3 generalized place invariants in 1 ms returned sat
[2023-03-18 22:01:02] [INFO ] After 128ms SMT Verify possible using state equation in natural domain returned unsat :8 sat :2
[2023-03-18 22:01:02] [INFO ] State equation strengthened by 28 read => feed constraints.
[2023-03-18 22:01:02] [INFO ] After 11ms SMT Verify possible using 28 Read/Feed constraints in natural domain returned unsat :8 sat :2
[2023-03-18 22:01:02] [INFO ] After 69ms SMT Verify possible using trap constraints in natural domain returned unsat :8 sat :2
Attempting to minimize the solution found.
Minimization took 33 ms.
[2023-03-18 22:01:02] [INFO ] After 326ms SMT Verify possible using all constraints in natural domain returned unsat :8 sat :2
Fused 10 Parikh solutions to 2 different solutions.
Parikh walk visited 0 properties in 4 ms.
Support contains 3 out of 64 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 64/64 places, 67/67 transitions.
Graph (complete) has 174 edges and 64 vertex of which 63 are kept as prefixes of interest. Removing 1 places using SCC suffix rule.1 ms
Discarding 1 places :
Also discarding 0 output transitions
Drop transitions removed 2 transitions
Reduce isomorphic transitions removed 2 transitions.
Iterating post reduction 0 with 2 rules applied. Total rules applied 3 place count 63 transition count 65
Discarding 4 places :
Symmetric choice reduction at 1 with 4 rule applications. Total rules 7 place count 59 transition count 61
Iterating global reduction 1 with 4 rules applied. Total rules applied 11 place count 59 transition count 61
Applied a total of 11 rules in 10 ms. Remains 59 /64 variables (removed 5) and now considering 61/67 (removed 6) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 10 ms. Remains : 59/64 places, 61/67 transitions.
Incomplete random walk after 10000 steps, including 2257 resets, run finished after 92 ms. (steps per millisecond=108 ) properties (out of 2) seen :0
Incomplete Best-First random walk after 10001 steps, including 1042 resets, run finished after 28 ms. (steps per millisecond=357 ) properties (out of 2) seen :0
Incomplete Best-First random walk after 10000 steps, including 1056 resets, run finished after 24 ms. (steps per millisecond=416 ) properties (out of 2) seen :0
Finished probabilistic random walk after 319 steps, run visited all 2 properties in 11 ms. (steps per millisecond=29 )
Probabilistic random walk after 319 steps, saw 177 distinct states, run finished after 11 ms. (steps per millisecond=29 ) properties seen :2
Successfully simplified 8 atomic propositions for a total of 6 simplifications.
Initial state reduction rules removed 1 formulas.
FORMULA SieveSingleMsgMbox-PT-d0m36-CTLCardinality-04 TRUE TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA SieveSingleMsgMbox-PT-d0m36-CTLCardinality-09 TRUE TECHNIQUES TOPOLOGICAL INITIAL_STATE
[2023-03-18 22:01:02] [INFO ] Initial state reduction rules for CTL removed 1 formulas.
[2023-03-18 22:01:02] [INFO ] Flatten gal took : 6 ms
FORMULA SieveSingleMsgMbox-PT-d0m36-CTLCardinality-07 TRUE TECHNIQUES TOPOLOGICAL INITIAL_STATE
[2023-03-18 22:01:02] [INFO ] Flatten gal took : 5 ms
[2023-03-18 22:01:02] [INFO ] Input system was already deterministic with 67 transitions.
Support contains 5 out of 64 places (down from 6) after GAL structural reductions.
FORMULA SieveSingleMsgMbox-PT-d0m36-CTLCardinality-05 TRUE TECHNIQUES TOPOLOGICAL INITIAL_STATE
Computed a total of 9 stabilizing places and 12 stable transitions
Graph (complete) has 197 edges and 64 vertex of which 63 are kept as prefixes of interest. Removing 1 places using SCC suffix rule.1 ms
Starting structural reductions in SI_CTL mode, iteration 0 : 64/64 places, 67/67 transitions.
Discarding 4 places :
Symmetric choice reduction at 0 with 4 rule applications. Total rules 4 place count 60 transition count 63
Iterating global reduction 0 with 4 rules applied. Total rules applied 8 place count 60 transition count 63
Discarding 1 places :
Symmetric choice reduction at 0 with 1 rule applications. Total rules 9 place count 59 transition count 62
Iterating global reduction 0 with 1 rules applied. Total rules applied 10 place count 59 transition count 62
Ensure Unique test removed 1 transitions
Reduce isomorphic transitions removed 1 transitions.
Iterating post reduction 0 with 1 rules applied. Total rules applied 11 place count 59 transition count 61
Applied a total of 11 rules in 9 ms. Remains 59 /64 variables (removed 5) and now considering 61/67 (removed 6) transitions.
// Phase 1: matrix 61 rows 59 cols
[2023-03-18 22:01:02] [INFO ] Computed 5 place invariants in 3 ms
[2023-03-18 22:01:02] [INFO ] Implicit Places using invariants in 224 ms returned []
[2023-03-18 22:01:02] [INFO ] Invariant cache hit.
[2023-03-18 22:01:02] [INFO ] State equation strengthened by 25 read => feed constraints.
[2023-03-18 22:01:02] [INFO ] Implicit Places using invariants and state equation in 125 ms returned []
Implicit Place search using SMT with State Equation took 352 ms to find 0 implicit places.
[2023-03-18 22:01:02] [INFO ] Redundant transitions in 0 ms returned []
[2023-03-18 22:01:03] [INFO ] Invariant cache hit.
[2023-03-18 22:01:03] [INFO ] Dead Transitions using invariants and state equation in 45 ms found 0 transitions.
Starting structural reductions in SI_CTL mode, iteration 1 : 59/64 places, 61/67 transitions.
Finished structural reductions in SI_CTL mode , in 1 iterations and 414 ms. Remains : 59/64 places, 61/67 transitions.
[2023-03-18 22:01:03] [INFO ] Flatten gal took : 4 ms
[2023-03-18 22:01:03] [INFO ] Flatten gal took : 4 ms
[2023-03-18 22:01:03] [INFO ] Input system was already deterministic with 61 transitions.
[2023-03-18 22:01:03] [INFO ] Flatten gal took : 3 ms
[2023-03-18 22:01:03] [INFO ] Flatten gal took : 3 ms
[2023-03-18 22:01:03] [INFO ] Time to serialize gal into /tmp/CTLCardinality7611221763246656952.gal : 1 ms
[2023-03-18 22:01:03] [INFO ] Time to serialize properties into /tmp/CTLCardinality14841413744971862390.ctl : 1 ms
Invoking ITS tools like this :cd /home/mcc/execution;'/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202303021504/bin/its-ctl-linux64' '--gc-threshold' '2000000' '--quiet' '-i' '/tmp/CTLCardinality7611221763246656952.gal' '-t' 'CGAL' '-ctl' '/tmp/CTLCardinality14841413744971862390.ctl' '--gen-order' 'FOLLOW'
its-ctl command run as :
/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202303021504/bin/its-ctl-linux64 --gc-threshold 2000000 --quiet -...284
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,3.50158e+09,8.97768,209552,2,15896,5,996536,6,0,297,626233,0
Converting to forward existential form...Done !
original formula: AF(AG((p15<=0)))
=> equivalent forward existential formula: [FwdG(Init,!(!(E(TRUE U !((p15<=0))))))] = FALSE
Reverse transition relation is NOT exact ! Due to transitions t40, t44, t45, t46, t47, t48, t49, t50, t52, t53, t54, t55, t56, t58, t60, Intersection with...235
Detected timeout of ITS tools.
[2023-03-18 22:01:33] [INFO ] Flatten gal took : 7 ms
[2023-03-18 22:01:33] [INFO ] Applying decomposition
[2023-03-18 22:01:33] [INFO ] Flatten gal took : 6 ms
Converted graph to binary with : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.louvain.binaries_1.0.0.202303021504/bin/convert-linux64' '-i' '/tmp/graph3234250196644089635.txt' '-o' '/tmp/graph3234250196644089635.bin' '-w' '/tmp/graph3234250196644089635.weights'
Built communities with : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.louvain.binaries_1.0.0.202303021504/bin/louvain-linux64' '/tmp/graph3234250196644089635.bin' '-l' '-1' '-v' '-w' '/tmp/graph3234250196644089635.weights' '-q' '0' '-e' '0.001'
[2023-03-18 22:01:33] [INFO ] Decomposing Gal with order
[2023-03-18 22:01:33] [INFO ] Rewriting arrays to variables to allow decomposition.
[2023-03-18 22:01:33] [INFO ] Removed a total of 57 redundant transitions.
[2023-03-18 22:01:33] [INFO ] Flatten gal took : 59 ms
[2023-03-18 22:01:33] [INFO ] Fuse similar labels procedure discarded/fused a total of 38 labels/synchronizations in 7 ms.
[2023-03-18 22:01:33] [INFO ] Time to serialize gal into /tmp/CTLCardinality14084857174558281969.gal : 4 ms
[2023-03-18 22:01:33] [INFO ] Time to serialize properties into /tmp/CTLCardinality13077352777735472820.ctl : 0 ms
Invoking ITS tools like this :cd /home/mcc/execution;'/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202303021504/bin/its-ctl-linux64' '--gc-threshold' '2000000' '--quiet' '-i' '/tmp/CTLCardinality14084857174558281969.gal' '-t' 'CGAL' '-ctl' '/tmp/CTLCardinality13077352777735472820.ctl'
its-ctl command run as :
/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202303021504/bin/its-ctl-linux64 --gc-threshold 2000000 --quiet -...264
No direction supplied, using forward translation only.
Parsed 1 CTL formulae.
Detected timeout of ITS tools.
Starting structural reductions in LTL mode, iteration 0 : 64/64 places, 67/67 transitions.
Discarding 4 places :
Symmetric choice reduction at 0 with 4 rule applications. Total rules 4 place count 60 transition count 63
Iterating global reduction 0 with 4 rules applied. Total rules applied 8 place count 60 transition count 63
Discarding 1 places :
Symmetric choice reduction at 0 with 1 rule applications. Total rules 9 place count 59 transition count 62
Iterating global reduction 0 with 1 rules applied. Total rules applied 10 place count 59 transition count 62
Ensure Unique test removed 1 transitions
Reduce isomorphic transitions removed 1 transitions.
Iterating post reduction 0 with 1 rules applied. Total rules applied 11 place count 59 transition count 61
Applied a total of 11 rules in 12 ms. Remains 59 /64 variables (removed 5) and now considering 61/67 (removed 6) transitions.
[2023-03-18 22:02:03] [INFO ] Invariant cache hit.
[2023-03-18 22:02:03] [INFO ] Implicit Places using invariants in 179 ms returned []
[2023-03-18 22:02:03] [INFO ] Invariant cache hit.
[2023-03-18 22:02:03] [INFO ] State equation strengthened by 25 read => feed constraints.
[2023-03-18 22:02:03] [INFO ] Implicit Places using invariants and state equation in 123 ms returned []
Implicit Place search using SMT with State Equation took 319 ms to find 0 implicit places.
[2023-03-18 22:02:03] [INFO ] Invariant cache hit.
[2023-03-18 22:02:03] [INFO ] Dead Transitions using invariants and state equation in 54 ms found 0 transitions.
Starting structural reductions in LTL mode, iteration 1 : 59/64 places, 61/67 transitions.
Finished structural reductions in LTL mode , in 1 iterations and 400 ms. Remains : 59/64 places, 61/67 transitions.
[2023-03-18 22:02:04] [INFO ] Flatten gal took : 6 ms
[2023-03-18 22:02:04] [INFO ] Flatten gal took : 4 ms
[2023-03-18 22:02:04] [INFO ] Input system was already deterministic with 61 transitions.
[2023-03-18 22:02:04] [INFO ] Flatten gal took : 4 ms
[2023-03-18 22:02:04] [INFO ] Flatten gal took : 4 ms
[2023-03-18 22:02:04] [INFO ] Time to serialize gal into /tmp/CTLCardinality4864471396644975393.gal : 7 ms
[2023-03-18 22:02:04] [INFO ] Time to serialize properties into /tmp/CTLCardinality1346302325453383055.ctl : 0 ms
Invoking ITS tools like this :cd /home/mcc/execution;'/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202303021504/bin/its-ctl-linux64' '--gc-threshold' '2000000' '--quiet' '-i' '/tmp/CTLCardinality4864471396644975393.gal' '-t' 'CGAL' '-ctl' '/tmp/CTLCardinality1346302325453383055.ctl' '--gen-order' 'FOLLOW'
its-ctl command run as :
/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202303021504/bin/its-ctl-linux64 --gc-threshold 2000000 --quiet -...283
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,3.50158e+09,8.61211,209428,2,15896,5,996536,6,0,297,626233,0
Converting to forward existential form...Done !
original formula: EF(EG(EX(TRUE)))
=> equivalent forward existential formula: [FwdG(FwdU(Init,TRUE),EX(TRUE))] != FALSE
Reverse transition relation is NOT exact ! Due to transitions t40, t44, t45, t46, t47, t48, t49, t50, t52, t53, t54, t55, t56, t58, t60, Intersection with...235
(forward)formula 0,1,10.9894,209428,1,0,161,996536,143,61,2138,626233,179
FORMULA SieveSingleMsgMbox-PT-d0m36-CTLCardinality-06 TRUE TECHNIQUES DECISION_DIAGRAMS TOPOLOGICAL
Formula is TRUE !
***************************************
Starting structural reductions in LTL mode, iteration 0 : 64/64 places, 67/67 transitions.
Discarding 4 places :
Symmetric choice reduction at 0 with 4 rule applications. Total rules 4 place count 60 transition count 63
Iterating global reduction 0 with 4 rules applied. Total rules applied 8 place count 60 transition count 63
Discarding 1 places :
Symmetric choice reduction at 0 with 1 rule applications. Total rules 9 place count 59 transition count 62
Iterating global reduction 0 with 1 rules applied. Total rules applied 10 place count 59 transition count 62
Ensure Unique test removed 1 transitions
Reduce isomorphic transitions removed 1 transitions.
Iterating post reduction 0 with 1 rules applied. Total rules applied 11 place count 59 transition count 61
Applied a total of 11 rules in 23 ms. Remains 59 /64 variables (removed 5) and now considering 61/67 (removed 6) transitions.
[2023-03-18 22:02:15] [INFO ] Invariant cache hit.
[2023-03-18 22:02:15] [INFO ] Implicit Places using invariants in 61 ms returned []
[2023-03-18 22:02:15] [INFO ] Invariant cache hit.
[2023-03-18 22:02:15] [INFO ] State equation strengthened by 25 read => feed constraints.
[2023-03-18 22:02:15] [INFO ] Implicit Places using invariants and state equation in 77 ms returned []
Implicit Place search using SMT with State Equation took 166 ms to find 0 implicit places.
[2023-03-18 22:02:15] [INFO ] Invariant cache hit.
[2023-03-18 22:02:15] [INFO ] Dead Transitions using invariants and state equation in 55 ms found 0 transitions.
Starting structural reductions in LTL mode, iteration 1 : 59/64 places, 61/67 transitions.
Finished structural reductions in LTL mode , in 1 iterations and 246 ms. Remains : 59/64 places, 61/67 transitions.
[2023-03-18 22:02:15] [INFO ] Flatten gal took : 5 ms
[2023-03-18 22:02:15] [INFO ] Flatten gal took : 4 ms
[2023-03-18 22:02:15] [INFO ] Input system was already deterministic with 61 transitions.
[2023-03-18 22:02:15] [INFO ] Flatten gal took : 3 ms
[2023-03-18 22:02:15] [INFO ] Flatten gal took : 2 ms
[2023-03-18 22:02:15] [INFO ] Time to serialize gal into /tmp/CTLCardinality3762764173615403483.gal : 1 ms
[2023-03-18 22:02:15] [INFO ] Time to serialize properties into /tmp/CTLCardinality9174461580535919280.ctl : 0 ms
Invoking ITS tools like this :cd /home/mcc/execution;'/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202303021504/bin/its-ctl-linux64' '--gc-threshold' '2000000' '--quiet' '-i' '/tmp/CTLCardinality3762764173615403483.gal' '-t' 'CGAL' '-ctl' '/tmp/CTLCardinality9174461580535919280.ctl' '--gen-order' 'FOLLOW'
its-ctl command run as :
/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202303021504/bin/its-ctl-linux64 --gc-threshold 2000000 --quiet -...283
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,3.50158e+09,9.39833,209512,2,15896,5,996536,6,0,297,626233,0
Converting to forward existential form...Done !
original formula: E(EF(!(((l236>l210) * AF((l29<=0))))) U EX(EX(TRUE)))
=> equivalent forward existential formula: [(EY(EY(FwdU(Init,E(TRUE U !(((l236>l210) * !(EG(!((l29<=0)))))))))) * TRUE)] != FALSE
Reverse transition relation is NOT exact ! Due to transitions t40, t44, t45, t46, t47, t48, t49, t50, t52, t53, t54, t55, t56, t58, t60, Intersection with...235
Detected timeout of ITS tools.
[2023-03-18 22:02:45] [INFO ] Flatten gal took : 3 ms
[2023-03-18 22:02:45] [INFO ] Applying decomposition
[2023-03-18 22:02:45] [INFO ] Flatten gal took : 3 ms
Converted graph to binary with : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.louvain.binaries_1.0.0.202303021504/bin/convert-linux64' '-i' '/tmp/graph8191109936491868074.txt' '-o' '/tmp/graph8191109936491868074.bin' '-w' '/tmp/graph8191109936491868074.weights'
Built communities with : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.louvain.binaries_1.0.0.202303021504/bin/louvain-linux64' '/tmp/graph8191109936491868074.bin' '-l' '-1' '-v' '-w' '/tmp/graph8191109936491868074.weights' '-q' '0' '-e' '0.001'
[2023-03-18 22:02:45] [INFO ] Decomposing Gal with order
[2023-03-18 22:02:45] [INFO ] Rewriting arrays to variables to allow decomposition.
[2023-03-18 22:02:45] [INFO ] Removed a total of 1 redundant transitions.
[2023-03-18 22:02:45] [INFO ] Flatten gal took : 8 ms
[2023-03-18 22:02:45] [INFO ] Fuse similar labels procedure discarded/fused a total of 4 labels/synchronizations in 1 ms.
[2023-03-18 22:02:45] [INFO ] Time to serialize gal into /tmp/CTLCardinality11862938720223779333.gal : 1 ms
[2023-03-18 22:02:45] [INFO ] Time to serialize properties into /tmp/CTLCardinality11041328054977910556.ctl : 1 ms
Invoking ITS tools like this :cd /home/mcc/execution;'/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202303021504/bin/its-ctl-linux64' '--gc-threshold' '2000000' '--quiet' '-i' '/tmp/CTLCardinality11862938720223779333.gal' '-t' 'CGAL' '-ctl' '/tmp/CTLCardinality11041328054977910556.ctl' '--gen-order' 'FOLLOW'
its-ctl command run as :
/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202303021504/bin/its-ctl-linux64 --gc-threshold 2000000 --quiet -...285
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,3.50158e+09,11.3362,237840,2,16461,5,1.15776e+06,6,0,298,873250,0
Converting to forward existential form...Done !
original formula: E(EF(!(((gu2.l236>gu2.l210) * AF((gi0.gu1.l29<=0))))) U EX(EX(TRUE)))
=> equivalent forward existential formula: [(EY(EY(FwdU(Init,E(TRUE U !(((gu2.l236>gu2.l210) * !(EG(!((gi0.gu1.l29<=0)))))))))) * TRUE)] != FALSE
Reverse transition relation is NOT exact ! Due to transitions gi0.gu0.t40, gi0.gu0.t44, gi0.gu0.t45, gi0.gu0.t46, gi0.gu0.t49, gi0.gu0.t50, gi0.gu0.t52, gi...347
Detected timeout of ITS tools.
Starting structural reductions in LTL mode, iteration 0 : 64/64 places, 67/67 transitions.
Discarding 4 places :
Symmetric choice reduction at 0 with 4 rule applications. Total rules 4 place count 60 transition count 63
Iterating global reduction 0 with 4 rules applied. Total rules applied 8 place count 60 transition count 63
Discarding 1 places :
Symmetric choice reduction at 0 with 1 rule applications. Total rules 9 place count 59 transition count 62
Iterating global reduction 0 with 1 rules applied. Total rules applied 10 place count 59 transition count 62
Ensure Unique test removed 1 transitions
Reduce isomorphic transitions removed 1 transitions.
Iterating post reduction 0 with 1 rules applied. Total rules applied 11 place count 59 transition count 61
Applied a total of 11 rules in 11 ms. Remains 59 /64 variables (removed 5) and now considering 61/67 (removed 6) transitions.
[2023-03-18 22:03:15] [INFO ] Invariant cache hit.
[2023-03-18 22:03:15] [INFO ] Implicit Places using invariants in 84 ms returned []
[2023-03-18 22:03:15] [INFO ] Invariant cache hit.
[2023-03-18 22:03:15] [INFO ] State equation strengthened by 25 read => feed constraints.
[2023-03-18 22:03:15] [INFO ] Implicit Places using invariants and state equation in 116 ms returned []
Implicit Place search using SMT with State Equation took 214 ms to find 0 implicit places.
[2023-03-18 22:03:15] [INFO ] Invariant cache hit.
[2023-03-18 22:03:15] [INFO ] Dead Transitions using invariants and state equation in 59 ms found 0 transitions.
Starting structural reductions in LTL mode, iteration 1 : 59/64 places, 61/67 transitions.
Finished structural reductions in LTL mode , in 1 iterations and 286 ms. Remains : 59/64 places, 61/67 transitions.
[2023-03-18 22:03:15] [INFO ] Flatten gal took : 16 ms
[2023-03-18 22:03:15] [INFO ] Flatten gal took : 4 ms
[2023-03-18 22:03:15] [INFO ] Input system was already deterministic with 61 transitions.
[2023-03-18 22:03:15] [INFO ] Flatten gal took : 3 ms
[2023-03-18 22:03:15] [INFO ] Flatten gal took : 3 ms
[2023-03-18 22:03:15] [INFO ] Time to serialize gal into /tmp/CTLCardinality16303749991105971331.gal : 3 ms
[2023-03-18 22:03:15] [INFO ] Time to serialize properties into /tmp/CTLCardinality17519961064398214656.ctl : 0 ms
Invoking ITS tools like this :cd /home/mcc/execution;'/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202303021504/bin/its-ctl-linux64' '--gc-threshold' '2000000' '--quiet' '-i' '/tmp/CTLCardinality16303749991105971331.gal' '-t' 'CGAL' '-ctl' '/tmp/CTLCardinality17519961064398214656.ctl' '--gen-order' 'FOLLOW'
its-ctl command run as :
/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202303021504/bin/its-ctl-linux64 --gc-threshold 2000000 --quiet -...285
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,3.50158e+09,12.0466,209380,2,15896,5,996536,6,0,297,626233,0
Converting to forward existential form...Done !
original formula: EX(AG((AF((l20<=0)) * AX(FALSE))))
=> equivalent forward existential formula: [(EY(Init) * !(E(TRUE U !((!(EG(!((l20<=0)))) * !(EX(!(FALSE))))))))] != FALSE
Reverse transition relation is NOT exact ! Due to transitions t40, t44, t45, t46, t47, t48, t49, t50, t52, t53, t54, t55, t56, t58, t60, Intersection with...235
(forward)formula 0,0,16.0475,209380,1,0,176,996536,150,76,2186,626233,215
FORMULA SieveSingleMsgMbox-PT-d0m36-CTLCardinality-15 FALSE TECHNIQUES DECISION_DIAGRAMS TOPOLOGICAL
Formula is FALSE !
***************************************
ITS tools runner thread asked to quit. Dying gracefully.
[2023-03-18 22:03:32] [INFO ] Flatten gal took : 4 ms
[2023-03-18 22:03:32] [INFO ] Flatten gal took : 3 ms
[2023-03-18 22:03:32] [INFO ] Applying decomposition
[2023-03-18 22:03:32] [INFO ] Flatten gal took : 4 ms
Converted graph to binary with : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.louvain.binaries_1.0.0.202303021504/bin/convert-linux64' '-i' '/tmp/graph13648596470196427740.txt' '-o' '/tmp/graph13648596470196427740.bin' '-w' '/tmp/graph13648596470196427740.weights'
Built communities with : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.louvain.binaries_1.0.0.202303021504/bin/louvain-linux64' '/tmp/graph13648596470196427740.bin' '-l' '-1' '-v' '-w' '/tmp/graph13648596470196427740.weights' '-q' '0' '-e' '0.001'
[2023-03-18 22:03:32] [INFO ] Decomposing Gal with order
[2023-03-18 22:03:32] [INFO ] Rewriting arrays to variables to allow decomposition.
[2023-03-18 22:03:32] [INFO ] Removed a total of 1 redundant transitions.
[2023-03-18 22:03:32] [INFO ] Flatten gal took : 4 ms
[2023-03-18 22:03:32] [INFO ] Fuse similar labels procedure discarded/fused a total of 2 labels/synchronizations in 0 ms.
[2023-03-18 22:03:32] [INFO ] Time to serialize gal into /tmp/CTLCardinality4419575258314061680.gal : 1 ms
[2023-03-18 22:03:32] [INFO ] Time to serialize properties into /tmp/CTLCardinality16342977186310411874.ctl : 1 ms
Invoking ITS tools like this :cd /home/mcc/execution;'/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202303021504/bin/its-ctl-linux64' '--gc-threshold' '2000000' '--quiet' '-i' '/tmp/CTLCardinality4419575258314061680.gal' '-t' 'CGAL' '-ctl' '/tmp/CTLCardinality16342977186310411874.ctl' '--gen-order' 'FOLLOW'
its-ctl command run as :
/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202303021504/bin/its-ctl-linux64 --gc-threshold 2000000 --quiet -...284
No direction supplied, using forward translation only.
Parsed 2 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,3.60843e+09,10.1046,174980,2,17410,5,847084,6,0,324,790084,0
Converting to forward existential form...Done !
original formula: AF(AG((gu0.p15<=0)))
=> equivalent forward existential formula: [FwdG(Init,!(!(E(TRUE U !((gu0.p15<=0))))))] = FALSE
Reverse transition relation is NOT exact ! Due to transitions gu0.t1, gu0.t7, gu0.t8, gu0.t10, gu0.t19, gu0.t44, gu0.t48, gu0.t49, gu0.t50, gu0.t51, gu0.t5...355
(forward)formula 0,0,203.488,2212288,1,0,2158,1.25726e+07,13,1385,1166,1.44528e+07,746
FORMULA SieveSingleMsgMbox-PT-d0m36-CTLCardinality-01 FALSE TECHNIQUES DECISION_DIAGRAMS TOPOLOGICAL USE_NUPN
Formula is FALSE !
***************************************
original formula: E(EF(!(((gu1.l236>gu1.l210) * AF((gu0.l29<=0))))) U EX(EX(TRUE)))
=> equivalent forward existential formula: [(EY(EY(FwdU(Init,E(TRUE U !(((gu1.l236>gu1.l210) * !(EG(!((gu0.l29<=0)))))))))) * TRUE)] != FALSE
(forward)formula 1,1,542.602,2961896,1,0,2158,1.64217e+07,12,1385,1164,1.99703e+07,210
FORMULA SieveSingleMsgMbox-PT-d0m36-CTLCardinality-13 TRUE TECHNIQUES DECISION_DIAGRAMS TOPOLOGICAL USE_NUPN
Formula is TRUE !
***************************************
Total runtime 696223 ms.
BK_STOP 1679177555684
--------------------
content from stderr:
+ export BINDIR=/home/mcc/BenchKit/bin//../itstools/bin//../
+ BINDIR=/home/mcc/BenchKit/bin//../itstools/bin//../
++ pwd
+ export MODEL=/home/mcc/execution
+ MODEL=/home/mcc/execution
+ [[ CTLCardinality = StateSpace ]]
+ /home/mcc/BenchKit/bin//../itstools/bin//..//runeclipse.sh /home/mcc/execution CTLCardinality -its -ltsmin -greatspnpath /home/mcc/BenchKit/bin//../itstools/bin//..//greatspn/ -order META -manyOrder -smt -timeout 3600
+ 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//../itstools/bin//..//itstools/plugins/fr.lip6.move.gal.application.pnmcc_1.0.0.202303021504.jar
+ VERSION=202303021504
+ echo 'Running Version 202303021504'
+ /home/mcc/BenchKit/bin//../itstools/bin//..//itstools/its-tools -pnfolder /home/mcc/execution -examination CTLCardinality -its -ltsmin -greatspnpath /home/mcc/BenchKit/bin//../itstools/bin//..//greatspn/ -order META -manyOrder -smt -timeout 3600
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="SieveSingleMsgMbox-PT-d0m36"
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 2-5348"
echo " Executing tool itstools"
echo " Input is SieveSingleMsgMbox-PT-d0m36, 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 r421-tajo-167905975200377"
echo "====================================================================="
echo
echo "--------------------"
echo "preparation of the directory to be used:"
tar xzf /home/mcc/BenchKit/INPUTS/SieveSingleMsgMbox-PT-d0m36.tgz
mv SieveSingleMsgMbox-PT-d0m36 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 '
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 ;