Execution Chart

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

Trace from the execution

Formatting '/data/fkordon/mcc2024-input.r417-tall-171690555900158.qcow2', fmt=qcow2 size=4294967296 backing_file=/data/fkordon/mcc2024-input.qcow2 backing_fmt=qcow2 cluster_size=65536 lazy_refcounts=off refcount_bits=16
Waiting for the VM to be ready (probing ssh)
........................................................................................................................................................................
=====================================================================
Generated by BenchKit 2-5568
Executing tool gold2023
Input is StigmergyElection-PT-02a, examination is LTLFireability
Time confinement is 3600 seconds
Memory confinement is 16384 MBytes
Number of cores is 4
Run identifier is r417-tall-171690555900158
=====================================================================

--------------------
preparation of the directory to be used:
/home/mcc/execution
total 440K
-rw-r--r-- 1 mcc users 8.3K May 14 13:22 CTLCardinality.txt
-rw-r--r-- 1 mcc users 100K May 14 13:22 CTLCardinality.xml
-rw-r--r-- 1 mcc users 5.8K May 14 13:22 CTLFireability.txt
-rw-r--r-- 1 mcc users 54K May 14 13:22 CTLFireability.xml
-rw-r--r-- 1 mcc users 3.7K Apr 23 07:59 LTLCardinality.txt
-rw-r--r-- 1 mcc users 26K Apr 23 07:59 LTLCardinality.xml
-rw-r--r-- 1 mcc users 2.4K Apr 23 07:59 LTLFireability.txt
-rw-r--r-- 1 mcc users 19K Apr 23 07:59 LTLFireability.xml
-rw-r--r-- 1 mcc users 9.7K Apr 11 18:37 ReachabilityCardinality.txt
-rw-r--r-- 1 mcc users 101K Apr 11 18:37 ReachabilityCardinality.xml
-rw-r--r-- 1 mcc users 5.9K Apr 11 18:37 ReachabilityFireability.txt
-rw-r--r-- 1 mcc users 46K Apr 11 18:37 ReachabilityFireability.xml
-rw-r--r-- 1 mcc users 1.7K Apr 23 07:59 UpperBounds.txt
-rw-r--r-- 1 mcc users 3.7K Apr 23 07:59 UpperBounds.xml
-rw-r--r-- 1 mcc users 6 May 18 16:43 equiv_col
-rw-r--r-- 1 mcc users 4 May 18 16:43 instance
-rw-r--r-- 1 mcc users 6 May 18 16:43 iscolored
-rw-r--r-- 1 mcc users 15K May 18 16:43 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 StigmergyElection-PT-02a-LTLFireability-00
FORMULA_NAME StigmergyElection-PT-02a-LTLFireability-01
FORMULA_NAME StigmergyElection-PT-02a-LTLFireability-02
FORMULA_NAME StigmergyElection-PT-02a-LTLFireability-03
FORMULA_NAME StigmergyElection-PT-02a-LTLFireability-04
FORMULA_NAME StigmergyElection-PT-02a-LTLFireability-05
FORMULA_NAME StigmergyElection-PT-02a-LTLFireability-06
FORMULA_NAME StigmergyElection-PT-02a-LTLFireability-07
FORMULA_NAME StigmergyElection-PT-02a-LTLFireability-08
FORMULA_NAME StigmergyElection-PT-02a-LTLFireability-09
FORMULA_NAME StigmergyElection-PT-02a-LTLFireability-10
FORMULA_NAME StigmergyElection-PT-02a-LTLFireability-11
FORMULA_NAME StigmergyElection-PT-02a-LTLFireability-12
FORMULA_NAME StigmergyElection-PT-02a-LTLFireability-13
FORMULA_NAME StigmergyElection-PT-02a-LTLFireability-14
FORMULA_NAME StigmergyElection-PT-02a-LTLFireability-15

=== Now, execution of the tool begins

BK_START 1717124737289

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=gold2023
BK_EXAMINATION=LTLFireability
BK_BIN_PATH=/home/mcc/BenchKit/bin/
BK_TIME_CONFINEMENT=3600
BK_INPUT=StigmergyElection-PT-02a
Not applying reductions.
Model is PT
LTLFireability PT
Running Version 202304061127
[2024-05-31 03:05:38] [INFO ] Running its-tools with arguments : [-pnfolder, /home/mcc/execution, -examination, LTLFireability, -its, -ltsmin, -greatspnpath, /home/mcc/BenchKit/bin//../itstools/bin//..//greatspn/, -order, META, -manyOrder, -smt, -timeout, 3600]
[2024-05-31 03:05:38] [INFO ] Parsing pnml file : /home/mcc/execution/model.pnml
[2024-05-31 03:05:41] [INFO ] Load time of PNML (sax parser for PT used): 33 ms
[2024-05-31 03:05:41] [INFO ] Transformed 30 places.
[2024-05-31 03:05:41] [INFO ] Transformed 66 transitions.
[2024-05-31 03:05:41] [INFO ] Found NUPN structural information;
[2024-05-31 03:05:41] [INFO ] Parsed PT model containing 30 places and 66 transitions and 196 arcs in 2281 ms.
Parsed 16 properties from file /home/mcc/execution/LTLFireability.xml in 8 ms.
Working with output stream class java.io.PrintStream
Initial state reduction rules removed 5 formulas.
Ensure Unique test removed 20 transitions
Reduce redundant transitions removed 20 transitions.
FORMULA StigmergyElection-PT-02a-LTLFireability-03 TRUE TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA StigmergyElection-PT-02a-LTLFireability-10 FALSE TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA StigmergyElection-PT-02a-LTLFireability-12 FALSE TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA StigmergyElection-PT-02a-LTLFireability-13 FALSE TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA StigmergyElection-PT-02a-LTLFireability-14 FALSE TECHNIQUES TOPOLOGICAL INITIAL_STATE
Support contains 13 out of 30 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 30/30 places, 46/46 transitions.
Discarding 1 places :
Symmetric choice reduction at 0 with 1 rule applications. Total rules 1 place count 29 transition count 45
Iterating global reduction 0 with 1 rules applied. Total rules applied 2 place count 29 transition count 45
Applied a total of 2 rules in 10 ms. Remains 29 /30 variables (removed 1) and now considering 45/46 (removed 1) transitions.
[2024-05-31 03:05:41] [INFO ] Flow matrix only has 40 transitions (discarded 5 similar events)
// Phase 1: matrix 40 rows 29 cols
[2024-05-31 03:05:41] [INFO ] Computed 2 invariants in 7 ms
[2024-05-31 03:05:41] [INFO ] Implicit Places using invariants in 114 ms returned []
[2024-05-31 03:05:41] [INFO ] Flow matrix only has 40 transitions (discarded 5 similar events)
[2024-05-31 03:05:41] [INFO ] Invariant cache hit.
[2024-05-31 03:05:41] [INFO ] State equation strengthened by 15 read => feed constraints.
[2024-05-31 03:05:41] [INFO ] Implicit Places using invariants and state equation in 68 ms returned []
Implicit Place search using SMT with State Equation took 212 ms to find 0 implicit places.
[2024-05-31 03:05:41] [INFO ] Flow matrix only has 40 transitions (discarded 5 similar events)
[2024-05-31 03:05:41] [INFO ] Invariant cache hit.
[2024-05-31 03:05:41] [INFO ] Dead Transitions using invariants and state equation in 57 ms found 0 transitions.
Starting structural reductions in LTL mode, iteration 1 : 29/30 places, 45/46 transitions.
Finished structural reductions in LTL mode , in 1 iterations and 281 ms. Remains : 29/30 places, 45/46 transitions.
Support contains 13 out of 29 places after structural reductions.
[2024-05-31 03:05:41] [INFO ] Flatten gal took : 16 ms
[2024-05-31 03:05:41] [INFO ] Flatten gal took : 6 ms
[2024-05-31 03:05:41] [INFO ] Input system was already deterministic with 45 transitions.
Finished random walk after 72 steps, including 1 resets, run visited all 12 properties in 65 ms. (steps per millisecond=1 )
Parikh walk visited 0 properties in 0 ms.
FORMULA StigmergyElection-PT-02a-LTLFireability-06 FALSE TECHNIQUES REACHABILITY_KNOWLEDGE
Computed a total of 6 stabilizing places and 5 stable transitions
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202304061127/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!(F(p0))'
Support contains 1 out of 29 places. Attempting structural reductions.
Starting structural reductions in SI_LTL mode, iteration 0 : 29/29 places, 45/45 transitions.
Reduce places removed 1 places and 1 transitions.
Reduce places removed 1 places and 0 transitions.
Drop transitions removed 8 transitions
Trivial Post-agglo rules discarded 8 transitions
Performed 8 trivial Post agglomeration. Transition count delta: 8
Iterating post reduction 0 with 9 rules applied. Total rules applied 9 place count 27 transition count 36
Reduce places removed 8 places and 0 transitions.
Iterating post reduction 1 with 8 rules applied. Total rules applied 17 place count 19 transition count 36
Performed 3 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 2 with 3 Pre rules applied. Total rules applied 17 place count 19 transition count 33
Deduced a syphon composed of 3 places in 0 ms
Reduce places removed 3 places and 0 transitions.
Iterating global reduction 2 with 6 rules applied. Total rules applied 23 place count 16 transition count 33
Discarding 2 places :
Symmetric choice reduction at 2 with 2 rule applications. Total rules 25 place count 14 transition count 29
Iterating global reduction 2 with 2 rules applied. Total rules applied 27 place count 14 transition count 29
Discarding 1 places :
Symmetric choice reduction at 2 with 1 rule applications. Total rules 28 place count 13 transition count 27
Iterating global reduction 2 with 1 rules applied. Total rules applied 29 place count 13 transition count 27
Ensure Unique test removed 1 transitions
Reduce isomorphic transitions removed 1 transitions.
Iterating post reduction 2 with 1 rules applied. Total rules applied 30 place count 13 transition count 26
Performed 2 Post agglomeration using F-continuation condition.Transition count delta: 2
Deduced a syphon composed of 2 places in 0 ms
Reduce places removed 2 places and 0 transitions.
Iterating global reduction 3 with 4 rules applied. Total rules applied 34 place count 11 transition count 24
Ensure Unique test removed 2 transitions
Reduce isomorphic transitions removed 2 transitions.
Iterating post reduction 3 with 2 rules applied. Total rules applied 36 place count 11 transition count 22
Performed 2 Post agglomeration using F-continuation condition with reduction of 2 identical transitions.
Deduced a syphon composed of 2 places in 0 ms
Reduce places removed 2 places and 0 transitions.
Iterating global reduction 4 with 4 rules applied. Total rules applied 40 place count 9 transition count 22
Ensure Unique test removed 4 transitions
Reduce isomorphic transitions removed 4 transitions.
Iterating post reduction 4 with 4 rules applied. Total rules applied 44 place count 9 transition count 18
Drop transitions removed 4 transitions
Redundant transition composition rules discarded 4 transitions
Iterating global reduction 5 with 4 rules applied. Total rules applied 48 place count 9 transition count 14
Reduce places removed 2 places and 2 transitions.
Iterating global reduction 5 with 2 rules applied. Total rules applied 50 place count 7 transition count 12
Applied a total of 50 rules in 17 ms. Remains 7 /29 variables (removed 22) and now considering 12/45 (removed 33) transitions.
[2024-05-31 03:05:42] [INFO ] Flow matrix only has 9 transitions (discarded 3 similar events)
// Phase 1: matrix 9 rows 7 cols
[2024-05-31 03:05:42] [INFO ] Computed 1 invariants in 1 ms
[2024-05-31 03:05:42] [INFO ] Implicit Places using invariants in 34 ms returned []
[2024-05-31 03:05:42] [INFO ] Flow matrix only has 9 transitions (discarded 3 similar events)
[2024-05-31 03:05:42] [INFO ] Invariant cache hit.
[2024-05-31 03:05:42] [INFO ] Implicit Places using invariants and state equation in 27 ms returned []
Implicit Place search using SMT with State Equation took 63 ms to find 0 implicit places.
[2024-05-31 03:05:42] [INFO ] Redundant transitions in 0 ms returned []
[2024-05-31 03:05:42] [INFO ] Flow matrix only has 9 transitions (discarded 3 similar events)
[2024-05-31 03:05:42] [INFO ] Invariant cache hit.
[2024-05-31 03:05:42] [INFO ] Dead Transitions using invariants and state equation in 22 ms found 0 transitions.
Starting structural reductions in SI_LTL mode, iteration 1 : 7/29 places, 12/45 transitions.
Finished structural reductions in SI_LTL mode , in 1 iterations and 110 ms. Remains : 7/29 places, 12/45 transitions.
ANTLR Tool version 4.9.3 used for code generation does not match the current runtime version 4.7.2ANTLR Runtime version 4.9.3 used for parser compilation does not match the current runtime version 4.7.2ANTLR Tool version 4.9.3 used for code generation does not match the current runtime version 4.7.2ANTLR Runtime version 4.9.3 used for parser compilation does not match the current runtime version 4.7.2Stuttering acceptance computed with spot in 138 ms :[(NOT p0)]
Running random walk in product with property : StigmergyElection-PT-02a-LTLFireability-00 automaton TGBA Formula[mat=[[{ cond=(NOT p0), acceptance={0} source=0 dest: 0}]], initial=0, aps=[p0:(EQ s4 1)], nbAcceptance=1, properties=[trans-labels, explicit-labels, trans-acc, colored, deterministic, no-univ-branch, unambiguous, semi-deterministic, stutter-invariant, very-weak, weak, inherently-weak], stateDesc=[null][true]]
Stuttering criterion allowed to conclude after 0 steps with 0 reset in 2 ms.
FORMULA StigmergyElection-PT-02a-LTLFireability-00 FALSE TECHNIQUES STUTTER_TEST
Treatment of property StigmergyElection-PT-02a-LTLFireability-00 finished in 301 ms.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202304061127/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!(X(X(F((p0||G(F(p1)))))))'
Support contains 3 out of 29 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 29/29 places, 45/45 transitions.
Discarding 1 places :
Symmetric choice reduction at 0 with 1 rule applications. Total rules 1 place count 28 transition count 43
Iterating global reduction 0 with 1 rules applied. Total rules applied 2 place count 28 transition count 43
Discarding 1 places :
Symmetric choice reduction at 0 with 1 rule applications. Total rules 3 place count 27 transition count 41
Iterating global reduction 0 with 1 rules applied. Total rules applied 4 place count 27 transition count 41
Applied a total of 4 rules in 4 ms. Remains 27 /29 variables (removed 2) and now considering 41/45 (removed 4) transitions.
[2024-05-31 03:05:42] [INFO ] Flow matrix only has 37 transitions (discarded 4 similar events)
// Phase 1: matrix 37 rows 27 cols
[2024-05-31 03:05:42] [INFO ] Computed 2 invariants in 2 ms
[2024-05-31 03:05:42] [INFO ] Implicit Places using invariants in 32 ms returned []
[2024-05-31 03:05:42] [INFO ] Flow matrix only has 37 transitions (discarded 4 similar events)
[2024-05-31 03:05:42] [INFO ] Invariant cache hit.
[2024-05-31 03:05:42] [INFO ] State equation strengthened by 15 read => feed constraints.
[2024-05-31 03:05:42] [INFO ] Implicit Places using invariants and state equation in 55 ms returned [26]
Discarding 1 places :
Implicit Place search using SMT with State Equation took 90 ms to find 1 implicit places.
Starting structural reductions in LTL mode, iteration 1 : 26/29 places, 41/45 transitions.
Discarding 3 places :
Symmetric choice reduction at 0 with 3 rule applications. Total rules 3 place count 23 transition count 38
Iterating global reduction 0 with 3 rules applied. Total rules applied 6 place count 23 transition count 38
Discarding 2 places :
Symmetric choice reduction at 0 with 2 rule applications. Total rules 8 place count 21 transition count 36
Iterating global reduction 0 with 2 rules applied. Total rules applied 10 place count 21 transition count 36
Applied a total of 10 rules in 3 ms. Remains 21 /26 variables (removed 5) and now considering 36/41 (removed 5) transitions.
[2024-05-31 03:05:42] [INFO ] Flow matrix only has 32 transitions (discarded 4 similar events)
// Phase 1: matrix 32 rows 21 cols
[2024-05-31 03:05:42] [INFO ] Computed 1 invariants in 2 ms
[2024-05-31 03:05:42] [INFO ] Implicit Places using invariants in 28 ms returned []
[2024-05-31 03:05:42] [INFO ] Flow matrix only has 32 transitions (discarded 4 similar events)
[2024-05-31 03:05:42] [INFO ] Invariant cache hit.
[2024-05-31 03:05:42] [INFO ] State equation strengthened by 7 read => feed constraints.
[2024-05-31 03:05:42] [INFO ] Implicit Places using invariants and state equation in 34 ms returned []
Implicit Place search using SMT with State Equation took 65 ms to find 0 implicit places.
Starting structural reductions in LTL mode, iteration 2 : 21/29 places, 36/45 transitions.
Finished structural reductions in LTL mode , in 2 iterations and 163 ms. Remains : 21/29 places, 36/45 transitions.
Stuttering acceptance computed with spot in 173 ms :[(AND (NOT p0) (NOT p1)), (AND (NOT p0) (NOT p1)), (AND (NOT p0) (NOT p1)), (AND (NOT p0) (NOT p1))]
Running random walk in product with property : StigmergyElection-PT-02a-LTLFireability-01 automaton TGBA Formula[mat=[[{ cond=true, acceptance={} source=0 dest: 1}], [{ cond=true, acceptance={} source=1 dest: 2}], [{ cond=(NOT p0), acceptance={} source=2 dest: 2}, { cond=(AND (NOT p0) (NOT p1)), acceptance={} source=2 dest: 3}], [{ cond=(AND (NOT p0) (NOT p1)), acceptance={0} source=3 dest: 3}]], initial=0, aps=[p0:(AND (EQ s9 1) (EQ s20 1)), p1:(EQ s14 1)], nbAcceptance=1, properties=[trans-labels, explicit-labels, trans-acc, no-univ-branch, stutter-sensitive], stateDesc=[null, null, null, null][false, false, false, false]]
Product exploration explored 100000 steps with 16666 reset in 230 ms.
Product exploration explored 100000 steps with 16666 reset in 126 ms.
Computed a total of 1 stabilizing places and 1 stable transitions
Computed a total of 1 stabilizing places and 1 stable transitions
Knowledge obtained : [(AND (NOT p0) (NOT p1)), (X (X (NOT p0))), (X (X (AND (NOT p0) (NOT p1))))]
False Knowledge obtained : []
Knowledge based reduction with 3 factoid took 88 ms. Reduced automaton from 4 states, 5 edges and 2 AP (stutter sensitive) to 4 states, 5 edges and 2 AP (stutter sensitive).
Stuttering acceptance computed with spot in 148 ms :[(AND (NOT p0) (NOT p1)), (AND (NOT p0) (NOT p1)), (AND (NOT p0) (NOT p1)), (AND (NOT p0) (NOT p1))]
Finished random walk after 5 steps, including 0 resets, run visited all 2 properties in 2 ms. (steps per millisecond=2 )
Parikh walk visited 0 properties in 0 ms.
Knowledge obtained : [(AND (NOT p0) (NOT p1)), (X (X (NOT p0))), (X (X (AND (NOT p0) (NOT p1))))]
False Knowledge obtained : [(F p0), (F (NOT (AND (NOT p1) (NOT p0))))]
Knowledge based reduction with 3 factoid took 139 ms. Reduced automaton from 4 states, 5 edges and 2 AP (stutter sensitive) to 4 states, 5 edges and 2 AP (stutter sensitive).
Stuttering acceptance computed with spot in 151 ms :[(AND (NOT p0) (NOT p1)), (AND (NOT p0) (NOT p1)), (AND (NOT p0) (NOT p1)), (AND (NOT p0) (NOT p1))]
Stuttering acceptance computed with spot in 152 ms :[(AND (NOT p0) (NOT p1)), (AND (NOT p0) (NOT p1)), (AND (NOT p0) (NOT p1)), (AND (NOT p0) (NOT p1))]
[2024-05-31 03:05:43] [INFO ] Flow matrix only has 32 transitions (discarded 4 similar events)
[2024-05-31 03:05:43] [INFO ] Invariant cache hit.
[2024-05-31 03:05:43] [INFO ] [Real]Absence check using 1 positive place invariants in 1 ms returned sat
[2024-05-31 03:05:43] [INFO ] [Real]Adding state equation constraints to refine reachable states.
[2024-05-31 03:05:43] [INFO ] [Real]Absence check using state equation in 6 ms returned sat
[2024-05-31 03:05:43] [INFO ] Solution in real domain found non-integer solution.
[2024-05-31 03:05:43] [INFO ] [Nat]Absence check using 1 positive place invariants in 1 ms returned sat
[2024-05-31 03:05:43] [INFO ] [Nat]Adding state equation constraints to refine reachable states.
[2024-05-31 03:05:43] [INFO ] [Nat]Absence check using state equation in 7 ms returned sat
[2024-05-31 03:05:43] [INFO ] State equation strengthened by 7 read => feed constraints.
[2024-05-31 03:05:43] [INFO ] [Nat]Added 7 Read/Feed constraints in 2 ms returned sat
[2024-05-31 03:05:43] [INFO ] Computed and/alt/rep : 30/93/30 causal constraints (skipped 1 transitions) in 3 ms.
[2024-05-31 03:05:43] [INFO ] Added : 27 causal constraints over 7 iterations in 39 ms. Result :sat
Could not prove EG (AND (NOT p0) (NOT p1))
Support contains 3 out of 21 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 21/21 places, 36/36 transitions.
Applied a total of 0 rules in 1 ms. Remains 21 /21 variables (removed 0) and now considering 36/36 (removed 0) transitions.
[2024-05-31 03:05:43] [INFO ] Flow matrix only has 32 transitions (discarded 4 similar events)
[2024-05-31 03:05:43] [INFO ] Invariant cache hit.
[2024-05-31 03:05:43] [INFO ] Implicit Places using invariants in 21 ms returned []
[2024-05-31 03:05:43] [INFO ] Flow matrix only has 32 transitions (discarded 4 similar events)
[2024-05-31 03:05:43] [INFO ] Invariant cache hit.
[2024-05-31 03:05:43] [INFO ] State equation strengthened by 7 read => feed constraints.
[2024-05-31 03:05:43] [INFO ] Implicit Places using invariants and state equation in 29 ms returned []
Implicit Place search using SMT with State Equation took 53 ms to find 0 implicit places.
[2024-05-31 03:05:43] [INFO ] Flow matrix only has 32 transitions (discarded 4 similar events)
[2024-05-31 03:05:43] [INFO ] Invariant cache hit.
[2024-05-31 03:05:43] [INFO ] Dead Transitions using invariants and state equation in 38 ms found 0 transitions.
Finished structural reductions in LTL mode , in 1 iterations and 94 ms. Remains : 21/21 places, 36/36 transitions.
Computed a total of 1 stabilizing places and 1 stable transitions
Computed a total of 1 stabilizing places and 1 stable transitions
Knowledge obtained : [(AND (NOT p0) (NOT p1)), (X (X (NOT p0))), (X (X (AND (NOT p1) (NOT p0))))]
False Knowledge obtained : []
Knowledge based reduction with 3 factoid took 78 ms. Reduced automaton from 4 states, 5 edges and 2 AP (stutter sensitive) to 4 states, 5 edges and 2 AP (stutter sensitive).
Stuttering acceptance computed with spot in 136 ms :[(AND (NOT p0) (NOT p1)), (AND (NOT p0) (NOT p1)), (AND (NOT p0) (NOT p1)), (AND (NOT p0) (NOT p1))]
Finished random walk after 5 steps, including 0 resets, run visited all 2 properties in 2 ms. (steps per millisecond=2 )
Parikh walk visited 0 properties in 0 ms.
Knowledge obtained : [(AND (NOT p0) (NOT p1)), (X (X (NOT p0))), (X (X (AND (NOT p1) (NOT p0))))]
False Knowledge obtained : [(F p0), (F (NOT (AND (NOT p1) (NOT p0))))]
Knowledge based reduction with 3 factoid took 147 ms. Reduced automaton from 4 states, 5 edges and 2 AP (stutter sensitive) to 4 states, 5 edges and 2 AP (stutter sensitive).
Stuttering acceptance computed with spot in 153 ms :[(AND (NOT p0) (NOT p1)), (AND (NOT p0) (NOT p1)), (AND (NOT p0) (NOT p1)), (AND (NOT p0) (NOT p1))]
Stuttering acceptance computed with spot in 137 ms :[(AND (NOT p0) (NOT p1)), (AND (NOT p0) (NOT p1)), (AND (NOT p0) (NOT p1)), (AND (NOT p0) (NOT p1))]
[2024-05-31 03:05:44] [INFO ] Flow matrix only has 32 transitions (discarded 4 similar events)
[2024-05-31 03:05:44] [INFO ] Invariant cache hit.
[2024-05-31 03:05:44] [INFO ] [Real]Absence check using 1 positive place invariants in 0 ms returned sat
[2024-05-31 03:05:44] [INFO ] [Real]Adding state equation constraints to refine reachable states.
[2024-05-31 03:05:44] [INFO ] [Real]Absence check using state equation in 6 ms returned sat
[2024-05-31 03:05:44] [INFO ] Solution in real domain found non-integer solution.
[2024-05-31 03:05:44] [INFO ] [Nat]Absence check using 1 positive place invariants in 0 ms returned sat
[2024-05-31 03:05:44] [INFO ] [Nat]Adding state equation constraints to refine reachable states.
[2024-05-31 03:05:44] [INFO ] [Nat]Absence check using state equation in 8 ms returned sat
[2024-05-31 03:05:44] [INFO ] State equation strengthened by 7 read => feed constraints.
[2024-05-31 03:05:44] [INFO ] [Nat]Added 7 Read/Feed constraints in 1 ms returned sat
[2024-05-31 03:05:44] [INFO ] Computed and/alt/rep : 30/93/30 causal constraints (skipped 1 transitions) in 3 ms.
[2024-05-31 03:05:44] [INFO ] Added : 27 causal constraints over 7 iterations in 34 ms. Result :sat
Could not prove EG (AND (NOT p0) (NOT p1))
Stuttering acceptance computed with spot in 125 ms :[(AND (NOT p0) (NOT p1)), (AND (NOT p0) (NOT p1)), (AND (NOT p0) (NOT p1)), (AND (NOT p0) (NOT p1))]
Product exploration explored 100000 steps with 16666 reset in 145 ms.
Product exploration explored 100000 steps with 16666 reset in 92 ms.
Applying partial POR strategy [false, false, true, true]
Stuttering acceptance computed with spot in 153 ms :[(AND (NOT p0) (NOT p1)), (AND (NOT p0) (NOT p1)), (AND (NOT p0) (NOT p1)), (AND (NOT p0) (NOT p1))]
Support contains 3 out of 21 places. Attempting structural reductions.
Starting structural reductions in SI_LTL mode, iteration 0 : 21/21 places, 36/36 transitions.
Performed 1 Post agglomeration using F-continuation condition.Transition count delta: 0
Iterating post reduction 0 with 1 rules applied. Total rules applied 1 place count 21 transition count 36
Performed 4 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 1 with 4 Pre rules applied. Total rules applied 1 place count 21 transition count 38
Deduced a syphon composed of 5 places in 0 ms
Iterating global reduction 1 with 4 rules applied. Total rules applied 5 place count 21 transition count 38
Performed 4 Post agglomeration using F-continuation condition.Transition count delta: -2
Deduced a syphon composed of 9 places in 0 ms
Iterating global reduction 1 with 4 rules applied. Total rules applied 9 place count 21 transition count 40
Ensure Unique test removed 1 transitions
Reduce isomorphic transitions removed 1 transitions.
Iterating post reduction 1 with 1 rules applied. Total rules applied 10 place count 21 transition count 39
Discarding 1 places :
Symmetric choice reduction at 2 with 1 rule applications. Total rules 11 place count 20 transition count 38
Deduced a syphon composed of 8 places in 0 ms
Iterating global reduction 2 with 1 rules applied. Total rules applied 12 place count 20 transition count 38
Deduced a syphon composed of 8 places in 0 ms
Drop transitions removed 3 transitions
Redundant transition composition rules discarded 3 transitions
Iterating global reduction 2 with 3 rules applied. Total rules applied 15 place count 20 transition count 35
Performed 2 Post agglomeration using F-continuation condition.Transition count delta: 0
Deduced a syphon composed of 10 places in 0 ms
Iterating global reduction 2 with 2 rules applied. Total rules applied 17 place count 20 transition count 35
Discarding 3 places :
Symmetric choice reduction at 2 with 3 rule applications. Total rules 20 place count 17 transition count 32
Deduced a syphon composed of 7 places in 0 ms
Iterating global reduction 2 with 3 rules applied. Total rules applied 23 place count 17 transition count 32
Deduced a syphon composed of 7 places in 0 ms
Applied a total of 23 rules in 13 ms. Remains 17 /21 variables (removed 4) and now considering 32/36 (removed 4) transitions.
[2024-05-31 03:05:45] [INFO ] Redundant transitions in 0 ms returned []
[2024-05-31 03:05:45] [INFO ] Flow matrix only has 28 transitions (discarded 4 similar events)
// Phase 1: matrix 28 rows 17 cols
[2024-05-31 03:05:45] [INFO ] Computed 1 invariants in 2 ms
[2024-05-31 03:05:45] [INFO ] Dead Transitions using invariants and state equation in 38 ms found 0 transitions.
Starting structural reductions in SI_LTL mode, iteration 1 : 17/21 places, 32/36 transitions.
Finished structural reductions in SI_LTL mode , in 1 iterations and 57 ms. Remains : 17/21 places, 32/36 transitions.
Built C files in :
/tmp/ltsmin8547550618848210171
[2024-05-31 03:05:45] [INFO ] Built C files in 3ms conformant to PINS (ltsmin variant)in folder :/tmp/ltsmin8547550618848210171
Running compilation step : cd /tmp/ltsmin8547550618848210171;'/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.ltsmin.binaries_1.0.0.202304061127/bin/limit_time.pl' '3' 'gcc' '-c' '-I/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.ltsmin.binaries_1.0.0.202304061127/bin/include/' '-I.' '-std=c99' '-fPIC' '-O0' 'model.c'
Compilation finished in 344 ms.
Running link step : cd /tmp/ltsmin8547550618848210171;'gcc' '-shared' '-o' 'gal.so' 'model.o'
Link finished in 44 ms.
Running LTSmin : cd /tmp/ltsmin8547550618848210171;'/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.ltsmin.binaries_1.0.0.202304061127/bin/pins2lts-mc-linux64' './gal.so' '--threads=8' '--when' '--hoa' '/tmp/stateBased3545917103878960170.hoa' '--buchi-type=spotba'
LTSmin run took 1433 ms.
FORMULA StigmergyElection-PT-02a-LTLFireability-01 TRUE TECHNIQUES EXPLICIT LTSMIN SAT_SMT
Treatment of property StigmergyElection-PT-02a-LTLFireability-01 finished in 5028 ms.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202304061127/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!(F(G((p0||X((p1 U p0))))))'
Support contains 3 out of 29 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 29/29 places, 45/45 transitions.
Discarding 2 places :
Symmetric choice reduction at 0 with 2 rule applications. Total rules 2 place count 27 transition count 41
Iterating global reduction 0 with 2 rules applied. Total rules applied 4 place count 27 transition count 41
Discarding 1 places :
Symmetric choice reduction at 0 with 1 rule applications. Total rules 5 place count 26 transition count 39
Iterating global reduction 0 with 1 rules applied. Total rules applied 6 place count 26 transition count 39
Applied a total of 6 rules in 1 ms. Remains 26 /29 variables (removed 3) and now considering 39/45 (removed 6) transitions.
[2024-05-31 03:05:47] [INFO ] Flow matrix only has 36 transitions (discarded 3 similar events)
// Phase 1: matrix 36 rows 26 cols
[2024-05-31 03:05:47] [INFO ] Computed 2 invariants in 1 ms
[2024-05-31 03:05:47] [INFO ] Implicit Places using invariants in 24 ms returned []
[2024-05-31 03:05:47] [INFO ] Flow matrix only has 36 transitions (discarded 3 similar events)
[2024-05-31 03:05:47] [INFO ] Invariant cache hit.
[2024-05-31 03:05:47] [INFO ] State equation strengthened by 15 read => feed constraints.
[2024-05-31 03:05:47] [INFO ] Implicit Places using invariants and state equation in 45 ms returned [25]
Discarding 1 places :
Implicit Place search using SMT with State Equation took 70 ms to find 1 implicit places.
Starting structural reductions in LTL mode, iteration 1 : 25/29 places, 39/45 transitions.
Discarding 3 places :
Symmetric choice reduction at 0 with 3 rule applications. Total rules 3 place count 22 transition count 36
Iterating global reduction 0 with 3 rules applied. Total rules applied 6 place count 22 transition count 36
Discarding 2 places :
Symmetric choice reduction at 0 with 2 rule applications. Total rules 8 place count 20 transition count 34
Iterating global reduction 0 with 2 rules applied. Total rules applied 10 place count 20 transition count 34
Applied a total of 10 rules in 3 ms. Remains 20 /25 variables (removed 5) and now considering 34/39 (removed 5) transitions.
[2024-05-31 03:05:47] [INFO ] Flow matrix only has 31 transitions (discarded 3 similar events)
// Phase 1: matrix 31 rows 20 cols
[2024-05-31 03:05:47] [INFO ] Computed 1 invariants in 0 ms
[2024-05-31 03:05:47] [INFO ] Implicit Places using invariants in 21 ms returned []
[2024-05-31 03:05:47] [INFO ] Flow matrix only has 31 transitions (discarded 3 similar events)
[2024-05-31 03:05:47] [INFO ] Invariant cache hit.
[2024-05-31 03:05:47] [INFO ] State equation strengthened by 7 read => feed constraints.
[2024-05-31 03:05:47] [INFO ] Implicit Places using invariants and state equation in 27 ms returned []
Implicit Place search using SMT with State Equation took 49 ms to find 0 implicit places.
Starting structural reductions in LTL mode, iteration 2 : 20/29 places, 34/45 transitions.
Finished structural reductions in LTL mode , in 2 iterations and 123 ms. Remains : 20/29 places, 34/45 transitions.
Stuttering acceptance computed with spot in 78 ms :[(NOT p0), (NOT p0)]
Running random walk in product with property : StigmergyElection-PT-02a-LTLFireability-02 automaton TGBA Formula[mat=[[{ cond=true, acceptance={} source=0 dest: 0}, { cond=(NOT p0), acceptance={0} source=0 dest: 1}], [{ cond=(AND (NOT p0) (NOT p1)), acceptance={} source=1 dest: 0}, { cond=(NOT p0), acceptance={0} source=1 dest: 1}]], initial=0, aps=[p0:(EQ s14 1), p1:(AND (EQ s9 1) (EQ s19 1))], nbAcceptance=1, properties=[trans-labels, explicit-labels, trans-acc, no-univ-branch, stutter-sensitive], stateDesc=[null, null][false, false]]
Stuttering criterion allowed to conclude after 5 steps with 0 reset in 0 ms.
FORMULA StigmergyElection-PT-02a-LTLFireability-02 FALSE TECHNIQUES STUTTER_TEST
Treatment of property StigmergyElection-PT-02a-LTLFireability-02 finished in 220 ms.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202304061127/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!(F(G(p0)))'
Support contains 2 out of 29 places. Attempting structural reductions.
Starting structural reductions in SI_LTL mode, iteration 0 : 29/29 places, 45/45 transitions.
Reduce places removed 1 places and 1 transitions.
Reduce places removed 1 places and 0 transitions.
Drop transitions removed 4 transitions
Trivial Post-agglo rules discarded 4 transitions
Performed 4 trivial Post agglomeration. Transition count delta: 4
Iterating post reduction 0 with 5 rules applied. Total rules applied 5 place count 27 transition count 40
Reduce places removed 4 places and 0 transitions.
Iterating post reduction 1 with 4 rules applied. Total rules applied 9 place count 23 transition count 40
Performed 6 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 2 with 6 Pre rules applied. Total rules applied 9 place count 23 transition count 34
Deduced a syphon composed of 6 places in 0 ms
Reduce places removed 6 places and 0 transitions.
Iterating global reduction 2 with 12 rules applied. Total rules applied 21 place count 17 transition count 34
Discarding 4 places :
Symmetric choice reduction at 2 with 4 rule applications. Total rules 25 place count 13 transition count 28
Iterating global reduction 2 with 4 rules applied. Total rules applied 29 place count 13 transition count 28
Discarding 2 places :
Symmetric choice reduction at 2 with 2 rule applications. Total rules 31 place count 11 transition count 24
Iterating global reduction 2 with 2 rules applied. Total rules applied 33 place count 11 transition count 24
Ensure Unique test removed 3 transitions
Reduce isomorphic transitions removed 3 transitions.
Iterating post reduction 2 with 3 rules applied. Total rules applied 36 place count 11 transition count 21
Performed 2 Post agglomeration using F-continuation condition.Transition count delta: 2
Deduced a syphon composed of 2 places in 0 ms
Reduce places removed 2 places and 0 transitions.
Iterating global reduction 3 with 4 rules applied. Total rules applied 40 place count 9 transition count 19
Drop transitions removed 2 transitions
Redundant transition composition rules discarded 2 transitions
Iterating global reduction 3 with 2 rules applied. Total rules applied 42 place count 9 transition count 17
Performed 2 Post agglomeration using F-continuation condition.Transition count delta: 2
Deduced a syphon composed of 2 places in 0 ms
Reduce places removed 2 places and 0 transitions.
Iterating global reduction 3 with 4 rules applied. Total rules applied 46 place count 7 transition count 15
Applied a total of 46 rules in 12 ms. Remains 7 /29 variables (removed 22) and now considering 15/45 (removed 30) transitions.
[2024-05-31 03:05:47] [INFO ] Flow matrix only has 12 transitions (discarded 3 similar events)
// Phase 1: matrix 12 rows 7 cols
[2024-05-31 03:05:47] [INFO ] Computed 1 invariants in 1 ms
[2024-05-31 03:05:47] [INFO ] Implicit Places using invariants in 17 ms returned []
[2024-05-31 03:05:47] [INFO ] Flow matrix only has 12 transitions (discarded 3 similar events)
[2024-05-31 03:05:47] [INFO ] Invariant cache hit.
[2024-05-31 03:05:47] [INFO ] State equation strengthened by 7 read => feed constraints.
[2024-05-31 03:05:47] [INFO ] Implicit Places using invariants and state equation in 24 ms returned []
Implicit Place search using SMT with State Equation took 43 ms to find 0 implicit places.
[2024-05-31 03:05:47] [INFO ] Redundant transitions in 0 ms returned []
[2024-05-31 03:05:47] [INFO ] Flow matrix only has 12 transitions (discarded 3 similar events)
[2024-05-31 03:05:47] [INFO ] Invariant cache hit.
[2024-05-31 03:05:47] [INFO ] Dead Transitions using invariants and state equation in 27 ms found 0 transitions.
Starting structural reductions in SI_LTL mode, iteration 1 : 7/29 places, 15/45 transitions.
Finished structural reductions in SI_LTL mode , in 1 iterations and 88 ms. Remains : 7/29 places, 15/45 transitions.
Stuttering acceptance computed with spot in 42 ms :[(NOT p0)]
Running random walk in product with property : StigmergyElection-PT-02a-LTLFireability-04 automaton TGBA Formula[mat=[[{ cond=p0, acceptance={} source=0 dest: 0}, { cond=(NOT p0), acceptance={0} source=0 dest: 0}]], initial=0, aps=[p0:(AND (EQ s3 1) (EQ s6 1))], nbAcceptance=1, properties=[trans-labels, explicit-labels, trans-acc, complete, deterministic, no-univ-branch, unambiguous, semi-deterministic, stutter-invariant], stateDesc=[null][true]]
Stuttering criterion allowed to conclude after 3 steps with 0 reset in 0 ms.
FORMULA StigmergyElection-PT-02a-LTLFireability-04 FALSE TECHNIQUES STUTTER_TEST
Treatment of property StigmergyElection-PT-02a-LTLFireability-04 finished in 148 ms.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202304061127/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!(X(F((p0&&F((G(p1)||G(F(p2))))))))'
Support contains 4 out of 29 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 29/29 places, 45/45 transitions.
Discarding 1 places :
Symmetric choice reduction at 0 with 1 rule applications. Total rules 1 place count 28 transition count 43
Iterating global reduction 0 with 1 rules applied. Total rules applied 2 place count 28 transition count 43
Discarding 1 places :
Symmetric choice reduction at 0 with 1 rule applications. Total rules 3 place count 27 transition count 41
Iterating global reduction 0 with 1 rules applied. Total rules applied 4 place count 27 transition count 41
Applied a total of 4 rules in 5 ms. Remains 27 /29 variables (removed 2) and now considering 41/45 (removed 4) transitions.
[2024-05-31 03:05:47] [INFO ] Flow matrix only has 37 transitions (discarded 4 similar events)
// Phase 1: matrix 37 rows 27 cols
[2024-05-31 03:05:47] [INFO ] Computed 2 invariants in 1 ms
[2024-05-31 03:05:47] [INFO ] Implicit Places using invariants in 30 ms returned []
[2024-05-31 03:05:47] [INFO ] Flow matrix only has 37 transitions (discarded 4 similar events)
[2024-05-31 03:05:47] [INFO ] Invariant cache hit.
[2024-05-31 03:05:47] [INFO ] State equation strengthened by 15 read => feed constraints.
[2024-05-31 03:05:47] [INFO ] Implicit Places using invariants and state equation in 43 ms returned []
Implicit Place search using SMT with State Equation took 75 ms to find 0 implicit places.
[2024-05-31 03:05:47] [INFO ] Flow matrix only has 37 transitions (discarded 4 similar events)
[2024-05-31 03:05:47] [INFO ] Invariant cache hit.
[2024-05-31 03:05:47] [INFO ] Dead Transitions using invariants and state equation in 35 ms found 0 transitions.
Starting structural reductions in LTL mode, iteration 1 : 27/29 places, 41/45 transitions.
Finished structural reductions in LTL mode , in 1 iterations and 116 ms. Remains : 27/29 places, 41/45 transitions.
Stuttering acceptance computed with spot in 210 ms :[(OR (NOT p0) (AND (NOT p1) (NOT p2))), (OR (NOT p0) (AND (NOT p1) (NOT p2))), (AND (NOT p1) (NOT p2)), (NOT p0), (AND (NOT p1) (NOT p2))]
Running random walk in product with property : StigmergyElection-PT-02a-LTLFireability-05 automaton TGBA Formula[mat=[[{ cond=true, acceptance={} source=0 dest: 1}], [{ cond=true, acceptance={} source=1 dest: 2}, { cond=(NOT p0), acceptance={} source=1 dest: 3}, { cond=(AND (NOT p1) (NOT p2)), acceptance={} source=1 dest: 4}], [{ cond=true, acceptance={} source=2 dest: 2}, { cond=(AND (NOT p1) (NOT p2)), acceptance={} source=2 dest: 4}], [{ cond=(NOT p0), acceptance={0} source=3 dest: 3}], [{ cond=(AND p1 (NOT p2)), acceptance={} source=4 dest: 4}, { cond=(AND (NOT p1) (NOT p2)), acceptance={0} source=4 dest: 4}]], initial=0, aps=[p0:(OR (EQ s18 0) (EQ s26 0)), p1:(EQ s22 1), p2:(EQ s5 1)], nbAcceptance=1, properties=[trans-labels, explicit-labels, trans-acc, no-univ-branch, stutter-sensitive], stateDesc=[null, null, null, null, null][false, false, false, false, false]]
Stuttering criterion allowed to conclude after 5 steps with 0 reset in 0 ms.
FORMULA StigmergyElection-PT-02a-LTLFireability-05 FALSE TECHNIQUES STUTTER_TEST
Treatment of property StigmergyElection-PT-02a-LTLFireability-05 finished in 353 ms.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202304061127/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!(X(X(F(p0))))'
Support contains 2 out of 29 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 29/29 places, 45/45 transitions.
Discarding 2 places :
Symmetric choice reduction at 0 with 2 rule applications. Total rules 2 place count 27 transition count 41
Iterating global reduction 0 with 2 rules applied. Total rules applied 4 place count 27 transition count 41
Discarding 2 places :
Symmetric choice reduction at 0 with 2 rule applications. Total rules 6 place count 25 transition count 37
Iterating global reduction 0 with 2 rules applied. Total rules applied 8 place count 25 transition count 37
Applied a total of 8 rules in 4 ms. Remains 25 /29 variables (removed 4) and now considering 37/45 (removed 8) transitions.
[2024-05-31 03:05:48] [INFO ] Flow matrix only has 34 transitions (discarded 3 similar events)
// Phase 1: matrix 34 rows 25 cols
[2024-05-31 03:05:48] [INFO ] Computed 2 invariants in 3 ms
[2024-05-31 03:05:48] [INFO ] Implicit Places using invariants in 27 ms returned []
[2024-05-31 03:05:48] [INFO ] Flow matrix only has 34 transitions (discarded 3 similar events)
[2024-05-31 03:05:48] [INFO ] Invariant cache hit.
[2024-05-31 03:05:48] [INFO ] State equation strengthened by 15 read => feed constraints.
[2024-05-31 03:05:48] [INFO ] Implicit Places using invariants and state equation in 33 ms returned []
Implicit Place search using SMT with State Equation took 62 ms to find 0 implicit places.
[2024-05-31 03:05:48] [INFO ] Flow matrix only has 34 transitions (discarded 3 similar events)
[2024-05-31 03:05:48] [INFO ] Invariant cache hit.
[2024-05-31 03:05:48] [INFO ] Dead Transitions using invariants and state equation in 34 ms found 0 transitions.
Starting structural reductions in LTL mode, iteration 1 : 25/29 places, 37/45 transitions.
Finished structural reductions in LTL mode , in 1 iterations and 102 ms. Remains : 25/29 places, 37/45 transitions.
Stuttering acceptance computed with spot in 112 ms :[(NOT p0), (NOT p0), (NOT p0)]
Running random walk in product with property : StigmergyElection-PT-02a-LTLFireability-07 automaton TGBA Formula[mat=[[{ cond=(NOT p0), acceptance={0} source=0 dest: 0}], [{ cond=true, acceptance={} source=1 dest: 0}], [{ cond=true, acceptance={} source=2 dest: 1}]], initial=2, aps=[p0:(OR (EQ s16 0) (EQ s24 0))], nbAcceptance=1, properties=[trans-labels, explicit-labels, trans-acc, deterministic, no-univ-branch, unambiguous, semi-deterministic, stutter-sensitive, very-weak, weak, inherently-weak], stateDesc=[null, null, null][false, false, false]]
Product exploration explored 100000 steps with 33333 reset in 101 ms.
Product exploration explored 100000 steps with 33333 reset in 95 ms.
Computed a total of 6 stabilizing places and 5 stable transitions
Computed a total of 6 stabilizing places and 5 stable transitions
Knowledge obtained : [p0, (X (X p0))]
False Knowledge obtained : []
Property proved to be true thanks to knowledge (Minato strategy)
Knowledge based reduction with 2 factoid took 18 ms. Reduced automaton from 3 states, 3 edges and 1 AP (stutter sensitive) to 1 states, 0 edges and 0 AP (stutter insensitive).
FORMULA StigmergyElection-PT-02a-LTLFireability-07 TRUE TECHNIQUES KNOWLEDGE
Treatment of property StigmergyElection-PT-02a-LTLFireability-07 finished in 448 ms.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202304061127/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!(X(F(p0)))'
Support contains 1 out of 29 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 29/29 places, 45/45 transitions.
Discarding 2 places :
Symmetric choice reduction at 0 with 2 rule applications. Total rules 2 place count 27 transition count 41
Iterating global reduction 0 with 2 rules applied. Total rules applied 4 place count 27 transition count 41
Discarding 2 places :
Symmetric choice reduction at 0 with 2 rule applications. Total rules 6 place count 25 transition count 37
Iterating global reduction 0 with 2 rules applied. Total rules applied 8 place count 25 transition count 37
Applied a total of 8 rules in 3 ms. Remains 25 /29 variables (removed 4) and now considering 37/45 (removed 8) transitions.
[2024-05-31 03:05:48] [INFO ] Flow matrix only has 34 transitions (discarded 3 similar events)
[2024-05-31 03:05:48] [INFO ] Invariant cache hit.
[2024-05-31 03:05:48] [INFO ] Implicit Places using invariants in 21 ms returned []
[2024-05-31 03:05:48] [INFO ] Flow matrix only has 34 transitions (discarded 3 similar events)
[2024-05-31 03:05:48] [INFO ] Invariant cache hit.
[2024-05-31 03:05:48] [INFO ] State equation strengthened by 15 read => feed constraints.
[2024-05-31 03:05:48] [INFO ] Implicit Places using invariants and state equation in 58 ms returned [24]
Discarding 1 places :
Implicit Place search using SMT with State Equation took 81 ms to find 1 implicit places.
Starting structural reductions in LTL mode, iteration 1 : 24/29 places, 37/45 transitions.
Discarding 3 places :
Symmetric choice reduction at 0 with 3 rule applications. Total rules 3 place count 21 transition count 34
Iterating global reduction 0 with 3 rules applied. Total rules applied 6 place count 21 transition count 34
Discarding 1 places :
Symmetric choice reduction at 0 with 1 rule applications. Total rules 7 place count 20 transition count 33
Iterating global reduction 0 with 1 rules applied. Total rules applied 8 place count 20 transition count 33
Applied a total of 8 rules in 2 ms. Remains 20 /24 variables (removed 4) and now considering 33/37 (removed 4) transitions.
[2024-05-31 03:05:48] [INFO ] Flow matrix only has 30 transitions (discarded 3 similar events)
// Phase 1: matrix 30 rows 20 cols
[2024-05-31 03:05:48] [INFO ] Computed 1 invariants in 1 ms
[2024-05-31 03:05:48] [INFO ] Implicit Places using invariants in 32 ms returned []
[2024-05-31 03:05:48] [INFO ] Flow matrix only has 30 transitions (discarded 3 similar events)
[2024-05-31 03:05:48] [INFO ] Invariant cache hit.
[2024-05-31 03:05:48] [INFO ] State equation strengthened by 7 read => feed constraints.
[2024-05-31 03:05:48] [INFO ] Implicit Places using invariants and state equation in 27 ms returned []
Implicit Place search using SMT with State Equation took 60 ms to find 0 implicit places.
Starting structural reductions in LTL mode, iteration 2 : 20/29 places, 33/45 transitions.
Finished structural reductions in LTL mode , in 2 iterations and 148 ms. Remains : 20/29 places, 33/45 transitions.
Stuttering acceptance computed with spot in 71 ms :[(NOT p0), (NOT p0)]
Running random walk in product with property : StigmergyElection-PT-02a-LTLFireability-08 automaton TGBA Formula[mat=[[{ cond=true, acceptance={} source=0 dest: 1}], [{ cond=(NOT p0), acceptance={0} source=1 dest: 1}]], initial=0, aps=[p0:(EQ s14 0)], nbAcceptance=1, properties=[trans-labels, explicit-labels, trans-acc, deterministic, no-univ-branch, unambiguous, semi-deterministic, stutter-sensitive, very-weak, weak, inherently-weak], stateDesc=[null, null][false, false]]
Product exploration explored 100000 steps with 50000 reset in 46 ms.
Product exploration explored 100000 steps with 50000 reset in 53 ms.
Computed a total of 3 stabilizing places and 3 stable transitions
Computed a total of 3 stabilizing places and 3 stable transitions
Knowledge obtained : [p0, (X p0), (X (X p0))]
False Knowledge obtained : []
Property proved to be true thanks to knowledge (Minato strategy)
Knowledge based reduction with 3 factoid took 17 ms. Reduced automaton from 2 states, 2 edges and 1 AP (stutter sensitive) to 1 states, 0 edges and 0 AP (stutter insensitive).
FORMULA StigmergyElection-PT-02a-LTLFireability-08 TRUE TECHNIQUES KNOWLEDGE
Treatment of property StigmergyElection-PT-02a-LTLFireability-08 finished in 348 ms.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202304061127/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!((F(G((p0&&(p1||G(p0)))))||G(p2)))'
Support contains 3 out of 29 places. Attempting structural reductions.
Starting structural reductions in SI_LTL mode, iteration 0 : 29/29 places, 45/45 transitions.
Reduce places removed 1 places and 1 transitions.
Reduce places removed 1 places and 0 transitions.
Drop transitions removed 3 transitions
Trivial Post-agglo rules discarded 3 transitions
Performed 3 trivial Post agglomeration. Transition count delta: 3
Iterating post reduction 0 with 4 rules applied. Total rules applied 4 place count 27 transition count 41
Reduce places removed 3 places and 0 transitions.
Iterating post reduction 1 with 3 rules applied. Total rules applied 7 place count 24 transition count 41
Performed 5 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 2 with 5 Pre rules applied. Total rules applied 7 place count 24 transition count 36
Deduced a syphon composed of 5 places in 0 ms
Reduce places removed 5 places and 0 transitions.
Iterating global reduction 2 with 10 rules applied. Total rules applied 17 place count 19 transition count 36
Discarding 4 places :
Symmetric choice reduction at 2 with 4 rule applications. Total rules 21 place count 15 transition count 30
Iterating global reduction 2 with 4 rules applied. Total rules applied 25 place count 15 transition count 30
Discarding 2 places :
Symmetric choice reduction at 2 with 2 rule applications. Total rules 27 place count 13 transition count 26
Iterating global reduction 2 with 2 rules applied. Total rules applied 29 place count 13 transition count 26
Ensure Unique test removed 1 transitions
Reduce isomorphic transitions removed 1 transitions.
Iterating post reduction 2 with 1 rules applied. Total rules applied 30 place count 13 transition count 25
Performed 2 Post agglomeration using F-continuation condition.Transition count delta: 2
Deduced a syphon composed of 2 places in 0 ms
Reduce places removed 2 places and 0 transitions.
Iterating global reduction 3 with 4 rules applied. Total rules applied 34 place count 11 transition count 23
Drop transitions removed 2 transitions
Redundant transition composition rules discarded 2 transitions
Iterating global reduction 3 with 2 rules applied. Total rules applied 36 place count 11 transition count 21
Performed 2 Post agglomeration using F-continuation condition.Transition count delta: 2
Deduced a syphon composed of 2 places in 0 ms
Reduce places removed 2 places and 0 transitions.
Iterating global reduction 3 with 4 rules applied. Total rules applied 40 place count 9 transition count 19
Applied a total of 40 rules in 14 ms. Remains 9 /29 variables (removed 20) and now considering 19/45 (removed 26) transitions.
[2024-05-31 03:05:48] [INFO ] Flow matrix only has 16 transitions (discarded 3 similar events)
// Phase 1: matrix 16 rows 9 cols
[2024-05-31 03:05:48] [INFO ] Computed 1 invariants in 1 ms
[2024-05-31 03:05:48] [INFO ] Implicit Places using invariants in 17 ms returned []
[2024-05-31 03:05:48] [INFO ] Flow matrix only has 16 transitions (discarded 3 similar events)
[2024-05-31 03:05:48] [INFO ] Invariant cache hit.
[2024-05-31 03:05:48] [INFO ] State equation strengthened by 8 read => feed constraints.
[2024-05-31 03:05:48] [INFO ] Implicit Places using invariants and state equation in 32 ms returned []
Implicit Place search using SMT with State Equation took 50 ms to find 0 implicit places.
[2024-05-31 03:05:48] [INFO ] Redundant transitions in 0 ms returned []
[2024-05-31 03:05:48] [INFO ] Flow matrix only has 16 transitions (discarded 3 similar events)
[2024-05-31 03:05:48] [INFO ] Invariant cache hit.
[2024-05-31 03:05:48] [INFO ] Dead Transitions using invariants and state equation in 21 ms found 0 transitions.
Starting structural reductions in SI_LTL mode, iteration 1 : 9/29 places, 19/45 transitions.
Finished structural reductions in SI_LTL mode , in 1 iterations and 91 ms. Remains : 9/29 places, 19/45 transitions.
Stuttering acceptance computed with spot in 63 ms :[(AND (NOT p2) (NOT p0)), (NOT p0)]
Running random walk in product with property : StigmergyElection-PT-02a-LTLFireability-09 automaton TGBA Formula[mat=[[{ cond=p2, acceptance={} source=0 dest: 0}, { cond=(NOT p2), acceptance={} source=0 dest: 1}], [{ cond=p0, acceptance={} source=1 dest: 1}, { cond=(NOT p0), acceptance={0} source=1 dest: 1}]], initial=0, aps=[p2:(OR (EQ s3 0) (EQ s8 0)), p0:(EQ s5 1)], nbAcceptance=1, properties=[trans-labels, explicit-labels, trans-acc, complete, deterministic, no-univ-branch, unambiguous, semi-deterministic, stutter-invariant], stateDesc=[null, null][true, true]]
Stuttering criterion allowed to conclude after 2 steps with 0 reset in 0 ms.
FORMULA StigmergyElection-PT-02a-LTLFireability-09 FALSE TECHNIQUES STUTTER_TEST
Treatment of property StigmergyElection-PT-02a-LTLFireability-09 finished in 168 ms.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202304061127/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!(X(F(p0)))'
Support contains 2 out of 29 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 29/29 places, 45/45 transitions.
Discarding 2 places :
Symmetric choice reduction at 0 with 2 rule applications. Total rules 2 place count 27 transition count 41
Iterating global reduction 0 with 2 rules applied. Total rules applied 4 place count 27 transition count 41
Discarding 2 places :
Symmetric choice reduction at 0 with 2 rule applications. Total rules 6 place count 25 transition count 37
Iterating global reduction 0 with 2 rules applied. Total rules applied 8 place count 25 transition count 37
Applied a total of 8 rules in 3 ms. Remains 25 /29 variables (removed 4) and now considering 37/45 (removed 8) transitions.
[2024-05-31 03:05:48] [INFO ] Flow matrix only has 34 transitions (discarded 3 similar events)
// Phase 1: matrix 34 rows 25 cols
[2024-05-31 03:05:48] [INFO ] Computed 2 invariants in 2 ms
[2024-05-31 03:05:49] [INFO ] Implicit Places using invariants in 24 ms returned []
[2024-05-31 03:05:49] [INFO ] Flow matrix only has 34 transitions (discarded 3 similar events)
[2024-05-31 03:05:49] [INFO ] Invariant cache hit.
[2024-05-31 03:05:49] [INFO ] State equation strengthened by 15 read => feed constraints.
[2024-05-31 03:05:49] [INFO ] Implicit Places using invariants and state equation in 30 ms returned []
Implicit Place search using SMT with State Equation took 55 ms to find 0 implicit places.
[2024-05-31 03:05:49] [INFO ] Flow matrix only has 34 transitions (discarded 3 similar events)
[2024-05-31 03:05:49] [INFO ] Invariant cache hit.
[2024-05-31 03:05:49] [INFO ] Dead Transitions using invariants and state equation in 29 ms found 0 transitions.
Starting structural reductions in LTL mode, iteration 1 : 25/29 places, 37/45 transitions.
Finished structural reductions in LTL mode , in 1 iterations and 88 ms. Remains : 25/29 places, 37/45 transitions.
Stuttering acceptance computed with spot in 68 ms :[(NOT p0), (NOT p0)]
Running random walk in product with property : StigmergyElection-PT-02a-LTLFireability-11 automaton TGBA Formula[mat=[[{ cond=true, acceptance={} source=0 dest: 1}], [{ cond=(NOT p0), acceptance={0} source=1 dest: 1}]], initial=0, aps=[p0:(OR (NEQ s5 1) (NEQ s24 1))], nbAcceptance=1, properties=[trans-labels, explicit-labels, trans-acc, deterministic, no-univ-branch, unambiguous, semi-deterministic, stutter-sensitive, very-weak, weak, inherently-weak], stateDesc=[null, null][false, false]]
Product exploration explored 100000 steps with 50000 reset in 62 ms.
Product exploration explored 100000 steps with 50000 reset in 65 ms.
Computed a total of 6 stabilizing places and 5 stable transitions
Computed a total of 6 stabilizing places and 5 stable transitions
Knowledge obtained : [p0, (X p0), (X (X p0))]
False Knowledge obtained : []
Property proved to be true thanks to knowledge (Minato strategy)
Knowledge based reduction with 3 factoid took 16 ms. Reduced automaton from 2 states, 2 edges and 1 AP (stutter sensitive) to 1 states, 0 edges and 0 AP (stutter insensitive).
FORMULA StigmergyElection-PT-02a-LTLFireability-11 TRUE TECHNIQUES KNOWLEDGE
Treatment of property StigmergyElection-PT-02a-LTLFireability-11 finished in 319 ms.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202304061127/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!((p0 U X(G((!p1||X(G(!p1)))))))'
Support contains 4 out of 29 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 29/29 places, 45/45 transitions.
Discarding 2 places :
Symmetric choice reduction at 0 with 2 rule applications. Total rules 2 place count 27 transition count 41
Iterating global reduction 0 with 2 rules applied. Total rules applied 4 place count 27 transition count 41
Discarding 2 places :
Symmetric choice reduction at 0 with 2 rule applications. Total rules 6 place count 25 transition count 37
Iterating global reduction 0 with 2 rules applied. Total rules applied 8 place count 25 transition count 37
Applied a total of 8 rules in 3 ms. Remains 25 /29 variables (removed 4) and now considering 37/45 (removed 8) transitions.
[2024-05-31 03:05:49] [INFO ] Flow matrix only has 34 transitions (discarded 3 similar events)
[2024-05-31 03:05:49] [INFO ] Invariant cache hit.
[2024-05-31 03:05:49] [INFO ] Implicit Places using invariants in 30 ms returned []
[2024-05-31 03:05:49] [INFO ] Flow matrix only has 34 transitions (discarded 3 similar events)
[2024-05-31 03:05:49] [INFO ] Invariant cache hit.
[2024-05-31 03:05:49] [INFO ] State equation strengthened by 15 read => feed constraints.
[2024-05-31 03:05:49] [INFO ] Implicit Places using invariants and state equation in 33 ms returned []
Implicit Place search using SMT with State Equation took 64 ms to find 0 implicit places.
[2024-05-31 03:05:49] [INFO ] Flow matrix only has 34 transitions (discarded 3 similar events)
[2024-05-31 03:05:49] [INFO ] Invariant cache hit.
[2024-05-31 03:05:49] [INFO ] Dead Transitions using invariants and state equation in 39 ms found 0 transitions.
Starting structural reductions in LTL mode, iteration 1 : 25/29 places, 37/45 transitions.
Finished structural reductions in LTL mode , in 1 iterations and 107 ms. Remains : 25/29 places, 37/45 transitions.
Stuttering acceptance computed with spot in 131 ms :[p1, p1, p1, true]
Running random walk in product with property : StigmergyElection-PT-02a-LTLFireability-15 automaton TGBA Formula[mat=[[{ cond=(NOT p1), acceptance={} source=0 dest: 0}, { cond=p1, acceptance={} source=0 dest: 2}], [{ cond=(NOT p0), acceptance={} source=1 dest: 0}, { cond=(AND p0 (NOT p1)), acceptance={} source=1 dest: 1}, { cond=(AND p0 p1), acceptance={0} source=1 dest: 1}], [{ cond=(NOT p1), acceptance={} source=2 dest: 2}, { cond=p1, acceptance={} source=2 dest: 3}], [{ cond=true, acceptance={0} source=3 dest: 3}]], initial=1, aps=[p1:(AND (EQ s10 1) (EQ s21 1)), p0:(OR (AND (EQ s4 1) (EQ s24 1)) (AND (EQ s10 1) (EQ s21 1)))], nbAcceptance=1, properties=[trans-labels, explicit-labels, trans-acc, complete, deterministic, no-univ-branch, unambiguous, semi-deterministic, stutter-sensitive], stateDesc=[null, null, null, null][false, false, false, false]]
Stuttering criterion allowed to conclude after 5 steps with 0 reset in 0 ms.
FORMULA StigmergyElection-PT-02a-LTLFireability-15 FALSE TECHNIQUES STUTTER_TEST
Treatment of property StigmergyElection-PT-02a-LTLFireability-15 finished in 252 ms.
All properties solved by simple procedures.
Total runtime 10797 ms.

BK_STOP 1717124753046

--------------------
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
+ [[ LTLFireability = StateSpace ]]
+ /home/mcc/BenchKit/bin//../itstools/bin//..//runeclipse.sh /home/mcc/execution LTLFireability -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_1.0.0.202304061127.jar
+ VERSION=202304061127
+ echo 'Running Version 202304061127'
+ /home/mcc/BenchKit/bin//../itstools/bin//..//itstools/its-tools -pnfolder /home/mcc/execution -examination LTLFireability -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="StigmergyElection-PT-02a"
export BK_EXAMINATION="LTLFireability"
export BK_TOOL="gold2023"
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 2-5568"
echo " Executing tool gold2023"
echo " Input is StigmergyElection-PT-02a, examination is LTLFireability"
echo " Time confinement is $BK_TIME_CONFINEMENT seconds"
echo " Memory confinement is 16384 MBytes"
echo " Number of cores is 4"
echo " Run identifier is r417-tall-171690555900158"
echo "====================================================================="
echo
echo "--------------------"
echo "preparation of the directory to be used:"

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