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.r261-smll-167863536000170.qcow2', fmt=qcow2 size=4294967296 backing_file=/data/fkordon/mcc2023-input.qcow2 cluster_size=65536 lazy_refcounts=off refcount_bits=16
Waiting for the VM to be ready (probing ssh)
.................
=====================================================================
Generated by BenchKit 2-5348
Executing tool itstools
Input is NeoElection-PT-2, examination is CTLFireability
Time confinement is 3600 seconds
Memory confinement is 16384 MBytes
Number of cores is 4
Run identifier is r261-smll-167863536000170
=====================================================================

--------------------
preparation of the directory to be used:
/home/mcc/execution
total 1.8M
-rw-r--r-- 1 mcc users 75K Feb 26 15:47 CTLCardinality.txt
-rw-r--r-- 1 mcc users 283K Feb 26 15:47 CTLCardinality.xml
-rw-r--r-- 1 mcc users 38K Feb 26 15:46 CTLFireability.txt
-rw-r--r-- 1 mcc users 158K Feb 26 15:46 CTLFireability.xml
-rw-r--r-- 1 mcc users 4.2K Jan 29 11:40 GenericPropertiesDefinition.xml
-rw-r--r-- 1 mcc users 6.6K Jan 29 11:40 GenericPropertiesVerdict.xml
-rw-r--r-- 1 mcc users 11K Feb 25 16:27 LTLCardinality.txt
-rw-r--r-- 1 mcc users 43K Feb 25 16:27 LTLCardinality.xml
-rw-r--r-- 1 mcc users 12K Feb 25 16:27 LTLFireability.txt
-rw-r--r-- 1 mcc users 40K Feb 25 16:27 LTLFireability.xml
-rw-r--r-- 1 mcc users 96K Feb 26 15:49 ReachabilityCardinality.txt
-rw-r--r-- 1 mcc users 343K Feb 26 15:49 ReachabilityCardinality.xml
-rw-r--r-- 1 mcc users 55K Feb 26 15:48 ReachabilityFireability.txt
-rw-r--r-- 1 mcc users 223K Feb 26 15:48 ReachabilityFireability.xml
-rw-r--r-- 1 mcc users 11K Feb 25 16:27 UpperBounds.txt
-rw-r--r-- 1 mcc users 20K Feb 25 16:27 UpperBounds.xml
-rw-r--r-- 1 mcc users 5 Mar 5 18:23 equiv_col
-rw-r--r-- 1 mcc users 2 Mar 5 18:23 instance
-rw-r--r-- 1 mcc users 6 Mar 5 18:23 iscolored
-rw-r--r-- 1 mcc users 332K 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 NeoElection-PT-2-CTLFireability-00
FORMULA_NAME NeoElection-PT-2-CTLFireability-01
FORMULA_NAME NeoElection-PT-2-CTLFireability-02
FORMULA_NAME NeoElection-PT-2-CTLFireability-03
FORMULA_NAME NeoElection-PT-2-CTLFireability-04
FORMULA_NAME NeoElection-PT-2-CTLFireability-05
FORMULA_NAME NeoElection-PT-2-CTLFireability-06
FORMULA_NAME NeoElection-PT-2-CTLFireability-07
FORMULA_NAME NeoElection-PT-2-CTLFireability-08
FORMULA_NAME NeoElection-PT-2-CTLFireability-09
FORMULA_NAME NeoElection-PT-2-CTLFireability-10
FORMULA_NAME NeoElection-PT-2-CTLFireability-11
FORMULA_NAME NeoElection-PT-2-CTLFireability-12
FORMULA_NAME NeoElection-PT-2-CTLFireability-13
FORMULA_NAME NeoElection-PT-2-CTLFireability-14
FORMULA_NAME NeoElection-PT-2-CTLFireability-15

=== Now, execution of the tool begins

BK_START 1678770517955

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=CTLFireability
BK_BIN_PATH=/home/mcc/BenchKit/bin/
BK_TIME_CONFINEMENT=3600
BK_INPUT=NeoElection-PT-2
Not applying reductions.
Model is PT
CTLFireability PT
Running Version 202303021504
[2023-03-14 05:08:41] [INFO ] Running its-tools with arguments : [-pnfolder, /home/mcc/execution, -examination, CTLFireability, -its, -ltsmin, -greatspnpath, /home/mcc/BenchKit/bin//../itstools/bin//..//greatspn/, -order, META, -manyOrder, -smt, -timeout, 3600]
[2023-03-14 05:08:41] [INFO ] Parsing pnml file : /home/mcc/execution/model.pnml
[2023-03-14 05:08:41] [INFO ] Load time of PNML (sax parser for PT used): 170 ms
[2023-03-14 05:08:41] [INFO ] Transformed 438 places.
[2023-03-14 05:08:41] [INFO ] Transformed 357 transitions.
[2023-03-14 05:08:41] [INFO ] Found NUPN structural information;
[2023-03-14 05:08:41] [INFO ] Completing missing partition info from NUPN : creating a component with [P_crashed_0, P_crashed_1, P_crashed_2, P_dead_0, P_dead_1, P_dead_2, P_electedPrimary_0, P_electedPrimary_1, P_electedPrimary_2, P_electedSecondary_0, P_electedSecondary_1, P_electedSecondary_2, P_electionFailed_0, P_electionFailed_1, P_electionFailed_2, P_electionInit_0, P_electionInit_1, P_electionInit_2, P_masterList_0_1_0, P_masterList_0_1_1, P_masterList_0_1_2, P_masterList_0_2_0, P_masterList_0_2_1, P_masterList_0_2_2, P_masterList_1_1_0, P_masterList_1_1_1, P_masterList_1_1_2, P_masterList_1_2_0, P_masterList_1_2_1, P_masterList_1_2_2, P_masterList_2_1_0, P_masterList_2_1_1, P_masterList_2_1_2, P_masterList_2_2_0, P_masterList_2_2_1, P_masterList_2_2_2, P_masterState_0_F_0, P_masterState_0_F_1, P_masterState_0_F_2, P_masterState_0_T_0, P_masterState_0_T_1, P_masterState_0_T_2, P_masterState_1_F_0, P_masterState_1_F_1, P_masterState_1_F_2, P_masterState_1_T_0, P_masterState_1_T_1, P_masterState_1_T_2, P_masterState_2_F_0, P_masterState_2_F_1, P_masterState_2_F_2, P_masterState_2_T_0, P_masterState_2_T_1, P_masterState_2_T_2, P_negotiation_0_0_NONE, P_negotiation_0_0_CO, P_negotiation_0_0_DONE, P_negotiation_0_1_NONE, P_negotiation_0_1_CO, P_negotiation_0_1_DONE, P_negotiation_0_2_NONE, P_negotiation_0_2_CO, P_negotiation_0_2_DONE, P_negotiation_1_0_NONE, P_negotiation_1_0_CO, P_negotiation_1_0_DONE, P_negotiation_1_1_NONE, P_negotiation_1_1_CO, P_negotiation_1_1_DONE, P_negotiation_1_2_NONE, P_negotiation_1_2_CO, P_negotiation_1_2_DONE, P_negotiation_2_0_NONE, P_negotiation_2_0_CO, P_negotiation_2_0_DONE, P_negotiation_2_1_NONE, P_negotiation_2_1_CO, P_negotiation_2_1_DONE, P_negotiation_2_2_NONE, P_negotiation_2_2_CO, P_negotiation_2_2_DONE, P_network_0_0_AskP_0, P_network_0_0_AskP_1, P_network_0_0_AskP_2, P_network_0_0_AnsP_0, P_network_0_0_AnsP_1, P_network_0_0_AnsP_2, P_network_0_0_RI_0, P_network_0_0_RI_1, P_network_0_0_RI_2, P_network_0_0_AI_0, P_network_0_0_AI_1, P_network_0_0_AI_2, P_network_0_0_AnnP_0, P_network_0_0_AnnP_1, P_network_0_0_AnnP_2, P_network_0_0_RP_0, P_network_0_0_RP_1, P_network_0_0_RP_2, P_network_0_1_AskP_0, P_network_0_1_AskP_1, P_network_0_1_AskP_2, P_network_0_1_AnsP_0, P_network_0_1_AnsP_1, P_network_0_1_AnsP_2, P_network_0_1_RI_0, P_network_0_1_RI_1, P_network_0_1_RI_2, P_network_0_1_AI_0, P_network_0_1_AI_1, P_network_0_1_AI_2, P_network_0_1_AnnP_0, P_network_0_1_AnnP_1, P_network_0_1_AnnP_2, P_network_0_1_RP_0, P_network_0_1_RP_1, P_network_0_1_RP_2, P_network_0_2_AskP_0, P_network_0_2_AskP_1, P_network_0_2_AskP_2, P_network_0_2_AnsP_0, P_network_0_2_AnsP_1, P_network_0_2_AnsP_2, P_network_0_2_RI_0, P_network_0_2_RI_1, P_network_0_2_RI_2, P_network_0_2_AI_0, P_network_0_2_AI_1, P_network_0_2_AI_2, P_network_0_2_AnnP_0, P_network_0_2_AnnP_1, P_network_0_2_AnnP_2, P_network_0_2_RP_0, P_network_0_2_RP_1, P_network_0_2_RP_2, P_network_1_0_AskP_0, P_network_1_0_AskP_1, P_network_1_0_AskP_2, P_network_1_0_AnsP_0, P_network_1_0_AnsP_1, P_network_1_0_AnsP_2, P_network_1_0_RI_0, P_network_1_0_RI_1, P_network_1_0_RI_2, P_network_1_0_AI_0, P_network_1_0_AI_1, P_network_1_0_AI_2, P_network_1_0_AnnP_0, P_network_1_0_AnnP_1, P_network_1_0_AnnP_2, P_network_1_0_RP_0, P_network_1_0_RP_1, P_network_1_0_RP_2, P_network_1_1_AskP_0, P_network_1_1_AskP_1, P_network_1_1_AskP_2, P_network_1_1_AnsP_0, P_network_1_1_AnsP_1, P_network_1_1_AnsP_2, P_network_1_1_RI_0, P_network_1_1_RI_1, P_network_1_1_RI_2, P_network_1_1_AI_0, P_network_1_1_AI_1, P_network_1_1_AI_2, P_network_1_1_AnnP_0, P_network_1_1_AnnP_1, P_network_1_1_AnnP_2, P_network_1_1_RP_0, P_network_1_1_RP_1, P_network_1_1_RP_2, P_network_1_2_AskP_0, P_network_1_2_AskP_1, P_network_1_2_AskP_2, P_network_1_2_AnsP_0, P_network_1_2_AnsP_1, P_network_1_2_AnsP_2, P_network_1_2_RI_0, P_network_1_2_RI_1, P_network_1_2_RI_2, P_network_1_2_AI_0, P_network_1_2_AI_1, P_network_1_2_AI_2, P_network_1_2_AnnP_0, P_network_1_2_AnnP_1, P_network_1_2_AnnP_2, P_network_1_2_RP_0, P_network_1_2_RP_1, P_network_1_2_RP_2, P_network_2_0_AskP_0, P_network_2_0_AskP_1, P_network_2_0_AskP_2, P_network_2_0_AnsP_0, P_network_2_0_AnsP_1, P_network_2_0_AnsP_2, P_network_2_0_RI_0, P_network_2_0_RI_1, P_network_2_0_RI_2, P_network_2_0_AI_0, P_network_2_0_AI_1, P_network_2_0_AI_2, P_network_2_0_AnnP_0, P_network_2_0_AnnP_1, P_network_2_0_AnnP_2, P_network_2_0_RP_0, P_network_2_0_RP_1, P_network_2_0_RP_2, P_network_2_1_AskP_0, P_network_2_1_AskP_1, P_network_2_1_AskP_2, P_network_2_1_AnsP_0, P_network_2_1_AnsP_1, P_network_2_1_AnsP_2, P_network_2_1_RI_0, P_network_2_1_RI_1, P_network_2_1_RI_2, P_network_2_1_AI_0, P_network_2_1_AI_1, P_network_2_1_AI_2, P_network_2_1_AnnP_0, P_network_2_1_AnnP_1, P_network_2_1_AnnP_2, P_network_2_1_RP_0, P_network_2_1_RP_1, P_network_2_1_RP_2, P_network_2_2_AskP_0, P_network_2_2_AskP_1, P_network_2_2_AskP_2, P_network_2_2_AnsP_0, P_network_2_2_AnsP_1, P_network_2_2_AnsP_2, P_network_2_2_RI_0, P_network_2_2_RI_1, P_network_2_2_RI_2, P_network_2_2_AI_0, P_network_2_2_AI_1, P_network_2_2_AI_2, P_network_2_2_AnnP_0, P_network_2_2_AnnP_1, P_network_2_2_AnnP_2, P_network_2_2_RP_0, P_network_2_2_RP_1, P_network_2_2_RP_2, P_poll__handlingMessage_0, P_poll__handlingMessage_1, P_poll__handlingMessage_2, P_poll__networl_0_0_AskP_0, P_poll__networl_0_0_AskP_1, P_poll__networl_0_0_AskP_2, P_poll__networl_0_0_AnsP_0, P_poll__networl_0_0_AnsP_1, P_poll__networl_0_0_AnsP_2, P_poll__networl_0_0_RI_0, P_poll__networl_0_0_RI_1, P_poll__networl_0_0_RI_2, P_poll__networl_0_0_AI_0, P_poll__networl_0_0_AI_1, P_poll__networl_0_0_AI_2, P_poll__networl_0_0_AnnP_0, P_poll__networl_0_0_AnnP_1, P_poll__networl_0_0_AnnP_2, P_poll__networl_0_0_RP_0, P_poll__networl_0_0_RP_1, P_poll__networl_0_0_RP_2, P_poll__networl_0_1_AskP_0, P_poll__networl_0_1_AskP_1, P_poll__networl_0_1_AskP_2, P_poll__networl_0_1_AnsP_0, P_poll__networl_0_1_AnsP_1, P_poll__networl_0_1_AnsP_2, P_poll__networl_0_1_RI_0, P_poll__networl_0_1_RI_1, P_poll__networl_0_1_RI_2, P_poll__networl_0_1_AI_0, P_poll__networl_0_1_AI_1, P_poll__networl_0_1_AI_2, P_poll__networl_0_1_AnnP_0, P_poll__networl_0_1_AnnP_1, P_poll__networl_0_1_AnnP_2, P_poll__networl_0_1_RP_0, P_poll__networl_0_1_RP_1, P_poll__networl_0_1_RP_2, P_poll__networl_0_2_AskP_0, P_poll__networl_0_2_AskP_1, P_poll__networl_0_2_AskP_2, P_poll__networl_0_2_AnsP_0, P_poll__networl_0_2_AnsP_1, P_poll__networl_0_2_AnsP_2, P_poll__networl_0_2_RI_0, P_poll__networl_0_2_RI_1, P_poll__networl_0_2_RI_2, P_poll__networl_0_2_AI_0, P_poll__networl_0_2_AI_1, P_poll__networl_0_2_AI_2, P_poll__networl_0_2_AnnP_0, P_poll__networl_0_2_AnnP_1, P_poll__networl_0_2_AnnP_2, P_poll__networl_0_2_RP_0, P_poll__networl_0_2_RP_1, P_poll__networl_0_2_RP_2, P_poll__networl_1_0_AskP_0, P_poll__networl_1_0_AskP_1, P_poll__networl_1_0_AskP_2, P_poll__networl_1_0_AnsP_0, P_poll__networl_1_0_AnsP_1, P_poll__networl_1_0_AnsP_2, P_poll__networl_1_0_RI_0, P_poll__networl_1_0_RI_1, P_poll__networl_1_0_RI_2, P_poll__networl_1_0_AI_0, P_poll__networl_1_0_AI_1, P_poll__networl_1_0_AI_2, P_poll__networl_1_0_AnnP_0, P_poll__networl_1_0_AnnP_1, P_poll__networl_1_0_AnnP_2, P_poll__networl_1_0_RP_0, P_poll__networl_1_0_RP_1, P_poll__networl_1_0_RP_2, P_poll__networl_1_1_AskP_0, P_poll__networl_1_1_AskP_1, P_poll__networl_1_1_AskP_2, P_poll__networl_1_1_AnsP_0, P_poll__networl_1_1_AnsP_1, P_poll__networl_1_1_AnsP_2, P_poll__networl_1_1_RI_0, P_poll__networl_1_1_RI_1, P_poll__networl_1_1_RI_2, P_poll__networl_1_1_AI_0, P_poll__networl_1_1_AI_1, P_poll__networl_1_1_AI_2, P_poll__networl_1_1_AnnP_0, P_poll__networl_1_1_AnnP_1, P_poll__networl_1_1_AnnP_2, P_poll__networl_1_1_RP_0, P_poll__networl_1_1_RP_1, P_poll__networl_1_1_RP_2, P_poll__networl_1_2_AskP_0, P_poll__networl_1_2_AskP_1, P_poll__networl_1_2_AskP_2, P_poll__networl_1_2_AnsP_0, P_poll__networl_1_2_AnsP_1, P_poll__networl_1_2_AnsP_2, P_poll__networl_1_2_RI_0, P_poll__networl_1_2_RI_1, P_poll__networl_1_2_RI_2, P_poll__networl_1_2_AI_0, P_poll__networl_1_2_AI_1, P_poll__networl_1_2_AI_2, P_poll__networl_1_2_AnnP_0, P_poll__networl_1_2_AnnP_1, P_poll__networl_1_2_AnnP_2, P_poll__networl_1_2_RP_0, P_poll__networl_1_2_RP_1, P_poll__networl_1_2_RP_2, P_poll__networl_2_0_AskP_0, P_poll__networl_2_0_AskP_1, P_poll__networl_2_0_AskP_2, P_poll__networl_2_0_AnsP_0, P_poll__networl_2_0_AnsP_1, P_poll__networl_2_0_AnsP_2, P_poll__networl_2_0_RI_0, P_poll__networl_2_0_RI_1, P_poll__networl_2_0_RI_2, P_poll__networl_2_0_AI_0, P_poll__networl_2_0_AI_1, P_poll__networl_2_0_AI_2, P_poll__networl_2_0_AnnP_0, P_poll__networl_2_0_AnnP_1, P_poll__networl_2_0_AnnP_2, P_poll__networl_2_0_RP_0, P_poll__networl_2_0_RP_1, P_poll__networl_2_0_RP_2, P_poll__networl_2_1_AskP_0, P_poll__networl_2_1_AskP_1, P_poll__networl_2_1_AskP_2, P_poll__networl_2_1_AnsP_0, P_poll__networl_2_1_AnsP_1, P_poll__networl_2_1_AnsP_2, P_poll__networl_2_1_RI_0, P_poll__networl_2_1_RI_1, P_poll__networl_2_1_RI_2, P_poll__networl_2_1_AI_0, P_poll__networl_2_1_AI_1, P_poll__networl_2_1_AI_2, P_poll__networl_2_1_AnnP_0, P_poll__networl_2_1_AnnP_1, P_poll__networl_2_1_AnnP_2, P_poll__networl_2_1_RP_0, P_poll__networl_2_1_RP_1, P_poll__networl_2_1_RP_2, P_poll__networl_2_2_AskP_0, P_poll__networl_2_2_AskP_1, P_poll__networl_2_2_AskP_2, P_poll__networl_2_2_AnsP_0, P_poll__networl_2_2_AnsP_1, P_poll__networl_2_2_AnsP_2, P_poll__networl_2_2_RI_0, P_poll__networl_2_2_RI_1, P_poll__networl_2_2_RI_2, P_poll__networl_2_2_AI_0, P_poll__networl_2_2_AI_1, P_poll__networl_2_2_AI_2, P_poll__networl_2_2_AnnP_0, P_poll__networl_2_2_AnnP_1, P_poll__networl_2_2_AnnP_2, P_poll__networl_2_2_RP_0, P_poll__networl_2_2_RP_1, P_poll__networl_2_2_RP_2, P_poll__pollEnd_0, P_poll__pollEnd_1, P_poll__pollEnd_2, P_poll__waitingMessage_0, P_poll__waitingMessage_1, P_poll__waitingMessage_2, P_polling_0, P_polling_1, P_polling_2, P_sendAnnPs__broadcasting_0_1, P_sendAnnPs__broadcasting_0_2, P_sendAnnPs__broadcasting_1_1, P_sendAnnPs__broadcasting_1_2, P_sendAnnPs__broadcasting_2_1, P_sendAnnPs__broadcasting_2_2, P_stage_0_NEG, P_stage_0_PRIM, P_stage_0_SEC, P_stage_1_NEG, P_stage_1_PRIM, P_stage_1_SEC, P_stage_2_NEG, P_stage_2_PRIM, P_stage_2_SEC, P_startNeg__broadcasting_0_1, P_startNeg__broadcasting_0_2, P_startNeg__broadcasting_1_1, P_startNeg__broadcasting_1_2, P_startNeg__broadcasting_2_1, P_startNeg__broadcasting_2_2]
[2023-03-14 05:08:41] [INFO ] Parsed PT model containing 438 places and 357 transitions and 1998 arcs in 340 ms.
Parsed 16 properties from file /home/mcc/execution/CTLFireability.xml in 36 ms.
Deduced a syphon composed of 403 places in 4 ms
Reduce places removed 405 places and 337 transitions.
Reduce places removed 5 places and 0 transitions.
Initial state reduction rules removed 1 formulas.
FORMULA NeoElection-PT-2-CTLFireability-03 TRUE TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA NeoElection-PT-2-CTLFireability-04 TRUE TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA NeoElection-PT-2-CTLFireability-08 TRUE TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA NeoElection-PT-2-CTLFireability-10 TRUE TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA NeoElection-PT-2-CTLFireability-11 TRUE TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA NeoElection-PT-2-CTLFireability-14 FALSE TECHNIQUES TOPOLOGICAL INITIAL_STATE
Support contains 22 out of 28 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 28/28 places, 20/20 transitions.
Reduce places removed 2 places and 0 transitions.
Iterating post reduction 0 with 2 rules applied. Total rules applied 2 place count 26 transition count 20
Applied a total of 2 rules in 21 ms. Remains 26 /28 variables (removed 2) and now considering 20/20 (removed 0) transitions.
[2023-03-14 05:08:42] [INFO ] Flow matrix only has 19 transitions (discarded 1 similar events)
// Phase 1: matrix 19 rows 26 cols
[2023-03-14 05:08:42] [INFO ] Computed 7 place invariants in 8 ms
[2023-03-14 05:08:42] [INFO ] Implicit Places using invariants in 265 ms returned [5]
Discarding 1 places :
Implicit Place search using SMT only with invariants took 326 ms to find 1 implicit places.
Starting structural reductions in LTL mode, iteration 1 : 25/28 places, 20/20 transitions.
Applied a total of 0 rules in 2 ms. Remains 25 /25 variables (removed 0) and now considering 20/20 (removed 0) transitions.
Finished structural reductions in LTL mode , in 2 iterations and 349 ms. Remains : 25/28 places, 20/20 transitions.
Support contains 22 out of 25 places after structural reductions.
[2023-03-14 05:08:42] [INFO ] Initial state reduction rules for CTL removed 4 formulas.
[2023-03-14 05:08:42] [INFO ] Flatten gal took : 35 ms
[2023-03-14 05:08:42] [INFO ] Initial state reduction rules for CTL removed 1 formulas.
FORMULA NeoElection-PT-2-CTLFireability-12 FALSE TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA NeoElection-PT-2-CTLFireability-09 FALSE TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA NeoElection-PT-2-CTLFireability-06 TRUE TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA NeoElection-PT-2-CTLFireability-02 FALSE TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA NeoElection-PT-2-CTLFireability-00 FALSE TECHNIQUES TOPOLOGICAL INITIAL_STATE
[2023-03-14 05:08:42] [INFO ] Flatten gal took : 12 ms
[2023-03-14 05:08:42] [INFO ] Input system was already deterministic with 20 transitions.
Support contains 20 out of 25 places (down from 22) after GAL structural reductions.
Finished random walk after 16 steps, including 0 resets, run visited all 8 properties in 17 ms. (steps per millisecond=0 )
[2023-03-14 05:08:42] [INFO ] Flatten gal took : 7 ms
[2023-03-14 05:08:42] [INFO ] Flatten gal took : 8 ms
[2023-03-14 05:08:42] [INFO ] Input system was already deterministic with 20 transitions.
Computed a total of 25 stabilizing places and 20 stable transitions
Complete graph has no SCC; deadlocks are unavoidable. place count 25 transition count 20
Detected that all paths lead to deadlock. Applying this knowledge to assert that all AP eventually converge (and all enablings converge to false).
AF dead knowledge conclusive for 1 formulas.
FORMULA NeoElection-PT-2-CTLFireability-15 FALSE TECHNIQUES TOPOLOGICAL INITIAL_STATE
Starting structural reductions in LTL mode, iteration 0 : 25/25 places, 20/20 transitions.
Discarding 2 places :
Symmetric choice reduction at 0 with 2 rule applications. Total rules 2 place count 23 transition count 18
Iterating global reduction 0 with 2 rules applied. Total rules applied 4 place count 23 transition count 18
Applied a total of 4 rules in 5 ms. Remains 23 /25 variables (removed 2) and now considering 18/20 (removed 2) transitions.
[2023-03-14 05:08:42] [INFO ] Flow matrix only has 17 transitions (discarded 1 similar events)
// Phase 1: matrix 17 rows 23 cols
[2023-03-14 05:08:42] [INFO ] Computed 6 place invariants in 2 ms
[2023-03-14 05:08:42] [INFO ] Implicit Places using invariants in 63 ms returned [6]
Discarding 1 places :
Implicit Place search using SMT only with invariants took 65 ms to find 1 implicit places.
Starting structural reductions in LTL mode, iteration 1 : 22/25 places, 18/20 transitions.
Applied a total of 0 rules in 1 ms. Remains 22 /22 variables (removed 0) and now considering 18/18 (removed 0) transitions.
Finished structural reductions in LTL mode , in 2 iterations and 71 ms. Remains : 22/25 places, 18/20 transitions.
[2023-03-14 05:08:42] [INFO ] Flatten gal took : 4 ms
[2023-03-14 05:08:42] [INFO ] Flatten gal took : 6 ms
[2023-03-14 05:08:42] [INFO ] Input system was already deterministic with 18 transitions.
[2023-03-14 05:08:42] [INFO ] Flatten gal took : 4 ms
[2023-03-14 05:08:42] [INFO ] Flatten gal took : 4 ms
[2023-03-14 05:08:42] [INFO ] Time to serialize gal into /tmp/CTLFireability9026491628474199433.gal : 2 ms
[2023-03-14 05:08:42] [INFO ] Time to serialize properties into /tmp/CTLFireability14137185850686738969.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/CTLFireability9026491628474199433.gal' '-t' 'CGAL' '-ctl' '/tmp/CTLFireability14137185850686738969.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,241,0.028969,3340,2,86,5,619,6,0,102,553,0


Converting to forward existential form...Done !
original formula: AX(((((AF((((((P_masterState_1_T_0==0)||(P_network_1_2_AskP_0==0))||(P_poll__handlingMessage_1==0))&&(((P_masterState_1_F_0==0)||(P_netwo...761
=> equivalent forward existential formula: [FwdG(((((EY(Init) * !(((((P_masterState_1_F_0==1)&&(P_network_1_2_AskP_0==1))&&(P_poll__handlingMessage_1==1))|...824
Reverse transition relation is NOT exact ! Due to transitions t2, t14, t15, Intersection with reachable at each step enabled. (destroyed/reverse/intersect...173
dead was empty
(forward)formula 0,1,0.063496,4216,1,0,88,4468,66,31,667,4207,94
FORMULA NeoElection-PT-2-CTLFireability-01 TRUE TECHNIQUES DECISION_DIAGRAMS TOPOLOGICAL
Formula is TRUE !

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

Starting structural reductions in LTL mode, iteration 0 : 25/25 places, 20/20 transitions.
Applied a total of 0 rules in 1 ms. Remains 25 /25 variables (removed 0) and now considering 20/20 (removed 0) transitions.
[2023-03-14 05:08:43] [INFO ] Flow matrix only has 19 transitions (discarded 1 similar events)
// Phase 1: matrix 19 rows 25 cols
[2023-03-14 05:08:43] [INFO ] Computed 6 place invariants in 2 ms
[2023-03-14 05:08:43] [INFO ] Implicit Places using invariants in 88 ms returned []
[2023-03-14 05:08:43] [INFO ] Flow matrix only has 19 transitions (discarded 1 similar events)
[2023-03-14 05:08:43] [INFO ] Invariant cache hit.
[2023-03-14 05:08:43] [INFO ] State equation strengthened by 1 read => feed constraints.
[2023-03-14 05:08:43] [INFO ] Implicit Places using invariants and state equation in 84 ms returned []
Implicit Place search using SMT with State Equation took 175 ms to find 0 implicit places.
[2023-03-14 05:08:43] [INFO ] Flow matrix only has 19 transitions (discarded 1 similar events)
[2023-03-14 05:08:43] [INFO ] Invariant cache hit.
[2023-03-14 05:08:43] [INFO ] Dead Transitions using invariants and state equation in 69 ms found 0 transitions.
Finished structural reductions in LTL mode , in 1 iterations and 247 ms. Remains : 25/25 places, 20/20 transitions.
[2023-03-14 05:08:43] [INFO ] Flatten gal took : 4 ms
[2023-03-14 05:08:43] [INFO ] Flatten gal took : 5 ms
[2023-03-14 05:08:43] [INFO ] Input system was already deterministic with 20 transitions.
[2023-03-14 05:08:43] [INFO ] Flatten gal took : 4 ms
[2023-03-14 05:08:43] [INFO ] Flatten gal took : 4 ms
[2023-03-14 05:08:43] [INFO ] Time to serialize gal into /tmp/CTLFireability18205256327843929078.gal : 1 ms
[2023-03-14 05:08:43] [INFO ] Time to serialize properties into /tmp/CTLFireability18440393392342638499.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/CTLFireability18205256327843929078.gal' '-t' 'CGAL' '-ctl' '/tmp/CTLFireability18440393392342638499.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,241,0.015456,3480,2,196,5,1037,6,0,116,1002,0


Converting to forward existential form...Done !
original formula: A(!((AF(!((((P_negotiation_2_1_CO==1)&&(P_network_2_1_AI_0==1))&&(P_poll__handlingMessage_2==1)))) * E(!(AG(((P_startNeg__broadcasting_2_...400
=> equivalent forward existential formula: [((Init * !(EG(!(EG(!(EX(!(!(EG(!((((P_negotiation_2_1_NONE==1)&&(P_startNeg__broadcasting_2_1==1))||((P_negotia...819
Reverse transition relation is NOT exact ! Due to transitions t0, t1, t14, t15, Intersection with reachable at each step enabled. (destroyed/reverse/inter...177
(forward)formula 0,0,0.134414,6436,1,0,214,14359,79,129,750,16068,285
FORMULA NeoElection-PT-2-CTLFireability-05 FALSE TECHNIQUES DECISION_DIAGRAMS TOPOLOGICAL
Formula is FALSE !

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

Starting structural reductions in SI_CTL mode, iteration 0 : 25/25 places, 20/20 transitions.
Reduce places removed 2 places and 2 transitions.
Ensure Unique test removed 2 places
Iterating post reduction 0 with 2 rules applied. Total rules applied 2 place count 21 transition count 18
Performed 2 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 1 with 2 Pre rules applied. Total rules applied 2 place count 21 transition count 16
Deduced a syphon composed of 2 places in 1 ms
Reduce places removed 2 places and 0 transitions.
Iterating global reduction 1 with 4 rules applied. Total rules applied 6 place count 19 transition count 16
Discarding 2 places :
Symmetric choice reduction at 1 with 2 rule applications. Total rules 8 place count 17 transition count 14
Iterating global reduction 1 with 2 rules applied. Total rules applied 10 place count 17 transition count 14
Performed 1 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 1 with 1 Pre rules applied. Total rules applied 10 place count 17 transition count 13
Deduced a syphon composed of 1 places in 0 ms
Reduce places removed 1 places and 0 transitions.
Iterating global reduction 1 with 2 rules applied. Total rules applied 12 place count 16 transition count 13
Reduce places removed 1 places and 1 transitions.
Iterating global reduction 1 with 1 rules applied. Total rules applied 13 place count 15 transition count 12
Reduce places removed 1 places and 0 transitions.
Iterating post reduction 1 with 1 rules applied. Total rules applied 14 place count 14 transition count 12
Performed 1 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 2 with 1 Pre rules applied. Total rules applied 14 place count 14 transition count 11
Deduced a syphon composed of 1 places in 0 ms
Reduce places removed 1 places and 0 transitions.
Iterating global reduction 2 with 2 rules applied. Total rules applied 16 place count 13 transition count 11
Applied a total of 16 rules in 23 ms. Remains 13 /25 variables (removed 12) and now considering 11/20 (removed 9) transitions.
[2023-03-14 05:08:43] [INFO ] Flow matrix only has 10 transitions (discarded 1 similar events)
// Phase 1: matrix 10 rows 13 cols
[2023-03-14 05:08:43] [INFO ] Computed 3 place invariants in 1 ms
[2023-03-14 05:08:43] [INFO ] Implicit Places using invariants in 43 ms returned []
[2023-03-14 05:08:43] [INFO ] Flow matrix only has 10 transitions (discarded 1 similar events)
[2023-03-14 05:08:43] [INFO ] Invariant cache hit.
[2023-03-14 05:08:43] [INFO ] State equation strengthened by 1 read => feed constraints.
[2023-03-14 05:08:43] [INFO ] Implicit Places using invariants and state equation in 61 ms returned []
Implicit Place search using SMT with State Equation took 106 ms to find 0 implicit places.
[2023-03-14 05:08:43] [INFO ] Redundant transitions in 0 ms returned []
[2023-03-14 05:08:43] [INFO ] Flow matrix only has 10 transitions (discarded 1 similar events)
[2023-03-14 05:08:43] [INFO ] Invariant cache hit.
[2023-03-14 05:08:43] [INFO ] Dead Transitions using invariants and state equation in 48 ms found 0 transitions.
Starting structural reductions in SI_CTL mode, iteration 1 : 13/25 places, 11/20 transitions.
Finished structural reductions in SI_CTL mode , in 1 iterations and 188 ms. Remains : 13/25 places, 11/20 transitions.
[2023-03-14 05:08:43] [INFO ] Flatten gal took : 2 ms
[2023-03-14 05:08:43] [INFO ] Flatten gal took : 3 ms
[2023-03-14 05:08:43] [INFO ] Input system was already deterministic with 11 transitions.
[2023-03-14 05:08:43] [INFO ] Flatten gal took : 2 ms
[2023-03-14 05:08:43] [INFO ] Flatten gal took : 2 ms
[2023-03-14 05:08:43] [INFO ] Time to serialize gal into /tmp/CTLFireability8875525004235700725.gal : 1 ms
[2023-03-14 05:08:43] [INFO ] Time to serialize properties into /tmp/CTLFireability443766805891482782.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/CTLFireability8875525004235700725.gal' '-t' 'CGAL' '-ctl' '/tmp/CTLFireability443766805891482782.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 -...282
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,41,0.006448,3388,2,42,5,192,6,0,61,150,0


Converting to forward existential form...Done !
original formula: AF(EG((((P_negotiation_2_1_CO==0)||(P_network_2_1_AI_0==0))||(P_poll__handlingMessage_2==0))))
=> equivalent forward existential formula: [FwdG(Init,!(EG((((P_negotiation_2_1_CO==0)||(P_network_2_1_AI_0==0))||(P_poll__handlingMessage_2==0)))))] = FAL...157
Reverse transition relation is NOT exact ! Due to transitions t3, Intersection with reachable at each step enabled. (destroyed/reverse/intersect/total) :1...162
dead was empty
(forward)formula 0,1,0.017846,3704,1,0,60,921,40,22,359,974,82
FORMULA NeoElection-PT-2-CTLFireability-07 TRUE TECHNIQUES DECISION_DIAGRAMS TOPOLOGICAL
Formula is TRUE !

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

Starting structural reductions in LTL mode, iteration 0 : 25/25 places, 20/20 transitions.
Discarding 2 places :
Symmetric choice reduction at 0 with 2 rule applications. Total rules 2 place count 23 transition count 18
Iterating global reduction 0 with 2 rules applied. Total rules applied 4 place count 23 transition count 18
Applied a total of 4 rules in 3 ms. Remains 23 /25 variables (removed 2) and now considering 18/20 (removed 2) transitions.
[2023-03-14 05:08:43] [INFO ] Flow matrix only has 17 transitions (discarded 1 similar events)
// Phase 1: matrix 17 rows 23 cols
[2023-03-14 05:08:43] [INFO ] Computed 6 place invariants in 1 ms
[2023-03-14 05:08:43] [INFO ] Implicit Places using invariants in 65 ms returned [4, 5, 6]
Discarding 3 places :
Implicit Place search using SMT only with invariants took 66 ms to find 3 implicit places.
Starting structural reductions in LTL mode, iteration 1 : 20/25 places, 18/20 transitions.
Applied a total of 0 rules in 1 ms. Remains 20 /20 variables (removed 0) and now considering 18/18 (removed 0) transitions.
Finished structural reductions in LTL mode , in 2 iterations and 70 ms. Remains : 20/25 places, 18/20 transitions.
[2023-03-14 05:08:43] [INFO ] Flatten gal took : 3 ms
[2023-03-14 05:08:43] [INFO ] Flatten gal took : 4 ms
[2023-03-14 05:08:43] [INFO ] Input system was already deterministic with 18 transitions.
[2023-03-14 05:08:43] [INFO ] Flatten gal took : 3 ms
[2023-03-14 05:08:43] [INFO ] Flatten gal took : 3 ms
[2023-03-14 05:08:43] [INFO ] Time to serialize gal into /tmp/CTLFireability16405954804035128724.gal : 1 ms
[2023-03-14 05:08:43] [INFO ] Time to serialize properties into /tmp/CTLFireability11428605899986661766.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/CTLFireability16405954804035128724.gal' '-t' 'CGAL' '-ctl' '/tmp/CTLFireability11428605899986661766.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,241,0.01089,3448,2,84,5,571,6,0,96,532,0


Converting to forward existential form...Done !
original formula: AX(FALSE)
=> equivalent forward existential formula: [(EY(Init) * !(FALSE))] = FALSE
(forward)formula 0,0,0.01127,3448,1,0,6,571,7,1,126,532,1
FORMULA NeoElection-PT-2-CTLFireability-13 FALSE TECHNIQUES DECISION_DIAGRAMS TOPOLOGICAL
Formula is FALSE !

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

[2023-03-14 05:08:43] [INFO ] Flatten gal took : 3 ms
[2023-03-14 05:08:43] [INFO ] Flatten gal took : 3 ms
Total runtime 2400 ms.

BK_STOP 1678770524803

--------------------
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
+ [[ CTLFireability = StateSpace ]]
+ /home/mcc/BenchKit/bin//../itstools/bin//..//runeclipse.sh /home/mcc/execution CTLFireability -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 CTLFireability -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="NeoElection-PT-2"
export BK_EXAMINATION="CTLFireability"
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 NeoElection-PT-2, 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 r261-smll-167863536000170"
echo "====================================================================="
echo
echo "--------------------"
echo "preparation of the directory to be used:"

tar xzf /home/mcc/BenchKit/INPUTS/NeoElection-PT-2.tgz
mv NeoElection-PT-2 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 ;