Execution Chart

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

Trace from the execution

Formatting '/data/fkordon/mcc2022-input.r168-tall-165277017000683.qcow2', fmt=qcow2 size=4294967296 backing_file=/data/fkordon/mcc2022-input.qcow2 cluster_size=65536 lazy_refcounts=off refcount_bits=16
Waiting for the VM to be ready (probing ssh)
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=====================================================================
Generated by BenchKit 2-4028
Executing tool itstools
Input is PolyORBLF-PT-S06J04T04, examination is LTLCardinality
Time confinement is 3600 seconds
Memory confinement is 16384 MBytes
Number of cores is 4
Run identifier is r168-tall-165277017000683
=====================================================================

--------------------
preparation of the directory to be used:
/home/mcc/execution
total 7.3M
-rw-r--r-- 1 mcc users 14K Apr 29 14:01 CTLCardinality.txt
-rw-r--r-- 1 mcc users 96K Apr 29 14:01 CTLCardinality.xml
-rw-r--r-- 1 mcc users 44K Apr 29 13:58 CTLFireability.txt
-rw-r--r-- 1 mcc users 231K Apr 29 13:58 CTLFireability.xml
-rw-r--r-- 1 mcc users 4.2K May 10 09:34 GenericPropertiesDefinition.xml
-rw-r--r-- 1 mcc users 6.3K May 10 09:34 GenericPropertiesVerdict.xml
-rw-r--r-- 1 mcc users 7.3K May 9 08:28 LTLCardinality.txt
-rw-r--r-- 1 mcc users 33K May 9 08:28 LTLCardinality.xml
-rw-r--r-- 1 mcc users 6.7K May 9 08:28 LTLFireability.txt
-rw-r--r-- 1 mcc users 30K May 9 08:28 LTLFireability.xml
-rw-r--r-- 1 mcc users 2.1K May 9 08:28 UpperBounds.txt
-rw-r--r-- 1 mcc users 4.5K May 9 08:28 UpperBounds.xml
-rw-r--r-- 1 mcc users 5 May 10 09:34 equiv_col
-rw-r--r-- 1 mcc users 10 May 10 09:34 instance
-rw-r--r-- 1 mcc users 6 May 10 09:34 iscolored
-rw-r--r-- 1 mcc users 6.8M May 10 09:34 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 PolyORBLF-PT-S06J04T04-LTLCardinality-00
FORMULA_NAME PolyORBLF-PT-S06J04T04-LTLCardinality-01
FORMULA_NAME PolyORBLF-PT-S06J04T04-LTLCardinality-02
FORMULA_NAME PolyORBLF-PT-S06J04T04-LTLCardinality-03
FORMULA_NAME PolyORBLF-PT-S06J04T04-LTLCardinality-04
FORMULA_NAME PolyORBLF-PT-S06J04T04-LTLCardinality-05
FORMULA_NAME PolyORBLF-PT-S06J04T04-LTLCardinality-06
FORMULA_NAME PolyORBLF-PT-S06J04T04-LTLCardinality-07
FORMULA_NAME PolyORBLF-PT-S06J04T04-LTLCardinality-08
FORMULA_NAME PolyORBLF-PT-S06J04T04-LTLCardinality-09
FORMULA_NAME PolyORBLF-PT-S06J04T04-LTLCardinality-10
FORMULA_NAME PolyORBLF-PT-S06J04T04-LTLCardinality-11
FORMULA_NAME PolyORBLF-PT-S06J04T04-LTLCardinality-12
FORMULA_NAME PolyORBLF-PT-S06J04T04-LTLCardinality-13
FORMULA_NAME PolyORBLF-PT-S06J04T04-LTLCardinality-14
FORMULA_NAME PolyORBLF-PT-S06J04T04-LTLCardinality-15

=== Now, execution of the tool begins

BK_START 1652916076418

Running Version 202205111006
[2022-05-18 23:21:17] [INFO ] Running its-tools with arguments : [-pnfolder, /home/mcc/execution, -examination, LTLCardinality, -spotpath, /home/mcc/BenchKit/bin//..//ltlfilt, -z3path, /home/mcc/BenchKit/bin//..//z3/bin/z3, -yices2path, /home/mcc/BenchKit/bin//..//yices/bin/yices, -its, -ltsmin, -greatspnpath, /home/mcc/BenchKit/bin//..//greatspn/, -order, META, -manyOrder, -smt, -timeout, 3600]
[2022-05-18 23:21:17] [INFO ] Parsing pnml file : /home/mcc/execution/model.pnml
[2022-05-18 23:21:18] [INFO ] Load time of PNML (sax parser for PT used): 438 ms
[2022-05-18 23:21:18] [INFO ] Transformed 454 places.
[2022-05-18 23:21:18] [INFO ] Transformed 6994 transitions.
[2022-05-18 23:21:18] [INFO ] Parsed PT model containing 454 places and 6994 transitions in 592 ms.
Parsed 16 properties from file /home/mcc/execution/LTLCardinality.xml in 11 ms.
Working with output stream class java.io.PrintStream
Initial state reduction rules removed 5 formulas.
Ensure Unique test removed 5380 transitions
Reduce redundant transitions removed 5380 transitions.
FORMULA PolyORBLF-PT-S06J04T04-LTLCardinality-02 TRUE TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA PolyORBLF-PT-S06J04T04-LTLCardinality-04 TRUE TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA PolyORBLF-PT-S06J04T04-LTLCardinality-05 FALSE TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA PolyORBLF-PT-S06J04T04-LTLCardinality-07 FALSE TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA PolyORBLF-PT-S06J04T04-LTLCardinality-11 TRUE TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA PolyORBLF-PT-S06J04T04-LTLCardinality-12 TRUE TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA PolyORBLF-PT-S06J04T04-LTLCardinality-13 TRUE TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA PolyORBLF-PT-S06J04T04-LTLCardinality-14 FALSE TECHNIQUES TOPOLOGICAL INITIAL_STATE
Support contains 120 out of 454 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 454/454 places, 1614/1614 transitions.
Ensure Unique test removed 6 places
Iterating post reduction 0 with 6 rules applied. Total rules applied 6 place count 448 transition count 1614
Discarding 4 places :
Symmetric choice reduction at 1 with 4 rule applications. Total rules 10 place count 444 transition count 1610
Iterating global reduction 1 with 4 rules applied. Total rules applied 14 place count 444 transition count 1610
Discarding 3 places :
Symmetric choice reduction at 1 with 3 rule applications. Total rules 17 place count 441 transition count 1607
Iterating global reduction 1 with 3 rules applied. Total rules applied 20 place count 441 transition count 1607
Applied a total of 20 rules in 130 ms. Remains 441 /454 variables (removed 13) and now considering 1607/1614 (removed 7) transitions.
[2022-05-18 23:21:18] [INFO ] Flow matrix only has 1583 transitions (discarded 24 similar events)
// Phase 1: matrix 1583 rows 441 cols
[2022-05-18 23:21:18] [INFO ] Computed 44 place invariants in 90 ms
[2022-05-18 23:21:19] [INFO ] Dead Transitions using invariants and state equation in 1375 ms found 612 transitions.
Found 612 dead transitions using SMT.
Drop transitions removed 612 transitions
Dead transitions reduction (with SMT) triggered by suspicious arc values removed 612 transitions.
[2022-05-18 23:21:19] [INFO ] Flow matrix only has 971 transitions (discarded 24 similar events)
// Phase 1: matrix 971 rows 441 cols
[2022-05-18 23:21:19] [INFO ] Computed 44 place invariants in 34 ms
[2022-05-18 23:21:20] [INFO ] Implicit Places using invariants in 417 ms returned [42, 285, 345, 403]
Discarding 4 places :
Implicit Place search using SMT only with invariants took 433 ms to find 4 implicit places.
Starting structural reductions in LTL mode, iteration 1 : 437/454 places, 995/1614 transitions.
Applied a total of 0 rules in 8 ms. Remains 437 /437 variables (removed 0) and now considering 995/995 (removed 0) transitions.
Finished structural reductions, in 2 iterations. Remains : 437/454 places, 995/1614 transitions.
Support contains 120 out of 437 places after structural reductions.
[2022-05-18 23:21:20] [INFO ] Flatten gal took : 145 ms
[2022-05-18 23:21:20] [INFO ] Flatten gal took : 89 ms
[2022-05-18 23:21:20] [INFO ] Input system was already deterministic with 995 transitions.
Incomplete random walk after 10000 steps, including 59 resets, run finished after 595 ms. (steps per millisecond=16 ) properties (out of 20) seen :12
Incomplete Best-First random walk after 10001 steps, including 26 resets, run finished after 108 ms. (steps per millisecond=92 ) properties (out of 8) seen :0
Incomplete Best-First random walk after 10001 steps, including 23 resets, run finished after 106 ms. (steps per millisecond=94 ) properties (out of 8) seen :0
Incomplete Best-First random walk after 10001 steps, including 28 resets, run finished after 94 ms. (steps per millisecond=106 ) properties (out of 8) seen :0
Incomplete Best-First random walk after 10000 steps, including 20 resets, run finished after 89 ms. (steps per millisecond=112 ) properties (out of 8) seen :0
Incomplete Best-First random walk after 10001 steps, including 22 resets, run finished after 98 ms. (steps per millisecond=102 ) properties (out of 8) seen :0
Incomplete Best-First random walk after 10001 steps, including 33 resets, run finished after 91 ms. (steps per millisecond=109 ) properties (out of 8) seen :0
Incomplete Best-First random walk after 10001 steps, including 23 resets, run finished after 106 ms. (steps per millisecond=94 ) properties (out of 8) seen :0
Incomplete Best-First random walk after 10001 steps, including 25 resets, run finished after 95 ms. (steps per millisecond=105 ) properties (out of 8) seen :0
Running SMT prover for 8 properties.
[2022-05-18 23:21:22] [INFO ] Flow matrix only has 971 transitions (discarded 24 similar events)
// Phase 1: matrix 971 rows 437 cols
[2022-05-18 23:21:22] [INFO ] Computed 40 place invariants in 32 ms
[2022-05-18 23:21:22] [INFO ] [Real]Absence check using 17 positive place invariants in 10 ms returned sat
[2022-05-18 23:21:22] [INFO ] [Real]Absence check using 17 positive and 23 generalized place invariants in 23 ms returned sat
[2022-05-18 23:21:22] [INFO ] After 241ms SMT Verify possible using all constraints in real domain returned unsat :6 sat :0 real:2
[2022-05-18 23:21:22] [INFO ] [Nat]Absence check using 17 positive place invariants in 11 ms returned sat
[2022-05-18 23:21:22] [INFO ] [Nat]Absence check using 17 positive and 23 generalized place invariants in 18 ms returned sat
[2022-05-18 23:21:27] [INFO ] After 5242ms SMT Verify possible using state equation in natural domain returned unsat :6 sat :2
[2022-05-18 23:21:27] [INFO ] State equation strengthened by 112 read => feed constraints.
[2022-05-18 23:21:30] [INFO ] After 2407ms SMT Verify possible using 112 Read/Feed constraints in natural domain returned unsat :6 sat :2
[2022-05-18 23:21:30] [INFO ] Deduced a trap composed of 84 places in 219 ms of which 4 ms to minimize.
[2022-05-18 23:21:34] [INFO ] Deduced a trap composed of 85 places in 203 ms of which 1 ms to minimize.
[2022-05-18 23:21:34] [INFO ] Trap strengthening procedure managed to obtain unsat after adding 2 trap constraints in 4230 ms
[2022-05-18 23:21:35] [INFO ] Deduced a trap composed of 77 places in 202 ms of which 2 ms to minimize.
[2022-05-18 23:21:35] [INFO ] Deduced a trap composed of 112 places in 205 ms of which 2 ms to minimize.
[2022-05-18 23:21:35] [INFO ] Trap strengthening procedure managed to obtain unsat after adding 2 trap constraints in 616 ms
[2022-05-18 23:21:35] [INFO ] After 7674ms SMT Verify possible using trap constraints in natural domain returned unsat :8 sat :0
[2022-05-18 23:21:35] [INFO ] After 13059ms SMT Verify possible using all constraints in natural domain returned unsat :8 sat :0
Fused 8 Parikh solutions to 0 different solutions.
Parikh walk visited 0 properties in 1 ms.
Successfully simplified 8 atomic propositions for a total of 8 simplifications.
FORMULA PolyORBLF-PT-S06J04T04-LTLCardinality-01 FALSE TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA PolyORBLF-PT-S06J04T04-LTLCardinality-03 TRUE TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA PolyORBLF-PT-S06J04T04-LTLCardinality-06 FALSE TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA PolyORBLF-PT-S06J04T04-LTLCardinality-09 TRUE TECHNIQUES TOPOLOGICAL INITIAL_STATE
Computed a total of 0 stabilizing places and 0 stable transitions
FORMULA PolyORBLF-PT-S06J04T04-LTLCardinality-08 FALSE TECHNIQUES TOPOLOGICAL INITIAL_STATE
Running Spot : cd /home/mcc/execution;'/home/mcc/BenchKit/bin//..//ltl2tgba' '--check=stutter' '--hoaf=tv' '-f' '!(G(p0))'
Support contains 31 out of 437 places. Attempting structural reductions.
Starting structural reductions in SI_LTL mode, iteration 0 : 437/437 places, 995/995 transitions.
Drop transitions removed 28 transitions
Trivial Post-agglo rules discarded 28 transitions
Performed 28 trivial Post agglomeration. Transition count delta: 28
Iterating post reduction 0 with 28 rules applied. Total rules applied 28 place count 437 transition count 967
Reduce places removed 28 places and 0 transitions.
Iterating post reduction 1 with 28 rules applied. Total rules applied 56 place count 409 transition count 967
Performed 48 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 2 with 48 Pre rules applied. Total rules applied 56 place count 409 transition count 919
Deduced a syphon composed of 48 places in 0 ms
Reduce places removed 48 places and 0 transitions.
Iterating global reduction 2 with 96 rules applied. Total rules applied 152 place count 361 transition count 919
Performed 25 Post agglomeration using F-continuation condition.Transition count delta: 25
Deduced a syphon composed of 25 places in 0 ms
Reduce places removed 25 places and 0 transitions.
Iterating global reduction 2 with 50 rules applied. Total rules applied 202 place count 336 transition count 894
Discarding 4 places :
Symmetric choice reduction at 2 with 4 rule applications. Total rules 206 place count 332 transition count 890
Iterating global reduction 2 with 4 rules applied. Total rules applied 210 place count 332 transition count 890
Applied a total of 210 rules in 107 ms. Remains 332 /437 variables (removed 105) and now considering 890/995 (removed 105) transitions.
[2022-05-18 23:21:35] [INFO ] Flow matrix only has 866 transitions (discarded 24 similar events)
// Phase 1: matrix 866 rows 332 cols
[2022-05-18 23:21:35] [INFO ] Computed 40 place invariants in 16 ms
[2022-05-18 23:21:36] [INFO ] Dead Transitions using invariants and state equation in 512 ms found 0 transitions.
[2022-05-18 23:21:36] [INFO ] Flow matrix only has 866 transitions (discarded 24 similar events)
// Phase 1: matrix 866 rows 332 cols
[2022-05-18 23:21:36] [INFO ] Computed 40 place invariants in 12 ms
[2022-05-18 23:21:36] [INFO ] Implicit Places using invariants in 330 ms returned []
[2022-05-18 23:21:36] [INFO ] Flow matrix only has 866 transitions (discarded 24 similar events)
// Phase 1: matrix 866 rows 332 cols
[2022-05-18 23:21:36] [INFO ] Computed 40 place invariants in 11 ms
[2022-05-18 23:21:37] [INFO ] State equation strengthened by 112 read => feed constraints.
[2022-05-18 23:21:46] [INFO ] Implicit Places using invariants and state equation in 9713 ms returned []
Implicit Place search using SMT with State Equation took 10046 ms to find 0 implicit places.
[2022-05-18 23:21:46] [INFO ] Redundant transitions in 67 ms returned []
[2022-05-18 23:21:46] [INFO ] Flow matrix only has 866 transitions (discarded 24 similar events)
// Phase 1: matrix 866 rows 332 cols
[2022-05-18 23:21:46] [INFO ] Computed 40 place invariants in 18 ms
[2022-05-18 23:21:47] [INFO ] Dead Transitions using invariants and state equation in 543 ms found 0 transitions.
Starting structural reductions in SI_LTL mode, iteration 1 : 332/437 places, 890/995 transitions.
Finished structural reductions, in 1 iterations. Remains : 332/437 places, 890/995 transitions.
Stuttering acceptance computed with spot in 143 ms :[true, (NOT p0)]
Running random walk in product with property : PolyORBLF-PT-S06J04T04-LTLCardinality-00 automaton TGBA Formula[mat=[[{ cond=true, acceptance={0} source=0 dest: 0}], [{ cond=(NOT p0), acceptance={} source=1 dest: 0}, { cond=p0, acceptance={} source=1 dest: 1}]], initial=1, aps=[p0:(OR (LEQ 2 (ADD s2 s13 s25 s60 s64 s78 s102 s118 s130 s142 s154 s167 s173 s191 s193 s201 s250 s267 s270 s272 s298 s299 s317 s330)) (LEQ s246 (ADD s58 s...], nbAcceptance=1, properties=[trans-labels, explicit-labels, trans-acc, complete, deterministic, no-univ-branch, unambiguous, semi-deterministic, stutter-invariant, terminal, very-weak, weak, inherently-weak], stateDesc=[null, null][true, true]]
Entered a terminal (fully accepting) state of product in 120 steps with 2 reset in 5 ms.
FORMULA PolyORBLF-PT-S06J04T04-LTLCardinality-00 FALSE TECHNIQUES STUTTER_TEST
Treatment of property PolyORBLF-PT-S06J04T04-LTLCardinality-00 finished in 11496 ms.
Running Spot : cd /home/mcc/execution;'/home/mcc/BenchKit/bin//..//ltl2tgba' '--check=stutter' '--hoaf=tv' '-f' '!(F((F(p0) U (p1||G(F(p0))))))'
Support contains 3 out of 437 places. Attempting structural reductions.
Starting structural reductions in SI_LTL mode, iteration 0 : 437/437 places, 995/995 transitions.
Drop transitions removed 19 transitions
Trivial Post-agglo rules discarded 19 transitions
Performed 19 trivial Post agglomeration. Transition count delta: 19
Iterating post reduction 0 with 19 rules applied. Total rules applied 19 place count 437 transition count 976
Reduce places removed 19 places and 0 transitions.
Performed 3 Post agglomeration using F-continuation condition.Transition count delta: 3
Iterating post reduction 1 with 22 rules applied. Total rules applied 41 place count 418 transition count 973
Reduce places removed 3 places and 0 transitions.
Iterating post reduction 2 with 3 rules applied. Total rules applied 44 place count 415 transition count 973
Performed 51 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 3 with 51 Pre rules applied. Total rules applied 44 place count 415 transition count 922
Deduced a syphon composed of 51 places in 1 ms
Reduce places removed 51 places and 0 transitions.
Iterating global reduction 3 with 102 rules applied. Total rules applied 146 place count 364 transition count 922
Performed 37 Post agglomeration using F-continuation condition.Transition count delta: 37
Deduced a syphon composed of 37 places in 2 ms
Reduce places removed 37 places and 0 transitions.
Iterating global reduction 3 with 74 rules applied. Total rules applied 220 place count 327 transition count 885
Discarding 2 places :
Symmetric choice reduction at 3 with 2 rule applications. Total rules 222 place count 325 transition count 883
Iterating global reduction 3 with 2 rules applied. Total rules applied 224 place count 325 transition count 883
Applied a total of 224 rules in 78 ms. Remains 325 /437 variables (removed 112) and now considering 883/995 (removed 112) transitions.
[2022-05-18 23:21:47] [INFO ] Flow matrix only has 859 transitions (discarded 24 similar events)
// Phase 1: matrix 859 rows 325 cols
[2022-05-18 23:21:47] [INFO ] Computed 40 place invariants in 16 ms
[2022-05-18 23:21:47] [INFO ] Dead Transitions using invariants and state equation in 504 ms found 0 transitions.
[2022-05-18 23:21:47] [INFO ] Flow matrix only has 859 transitions (discarded 24 similar events)
// Phase 1: matrix 859 rows 325 cols
[2022-05-18 23:21:47] [INFO ] Computed 40 place invariants in 15 ms
[2022-05-18 23:21:48] [INFO ] Implicit Places using invariants in 339 ms returned []
[2022-05-18 23:21:48] [INFO ] Flow matrix only has 859 transitions (discarded 24 similar events)
// Phase 1: matrix 859 rows 325 cols
[2022-05-18 23:21:48] [INFO ] Computed 40 place invariants in 15 ms
[2022-05-18 23:21:48] [INFO ] State equation strengthened by 112 read => feed constraints.
[2022-05-18 23:21:51] [INFO ] Implicit Places using invariants and state equation in 3301 ms returned []
Implicit Place search using SMT with State Equation took 3644 ms to find 0 implicit places.
[2022-05-18 23:21:51] [INFO ] Redundant transitions in 24 ms returned []
[2022-05-18 23:21:51] [INFO ] Flow matrix only has 859 transitions (discarded 24 similar events)
// Phase 1: matrix 859 rows 325 cols
[2022-05-18 23:21:51] [INFO ] Computed 40 place invariants in 17 ms
[2022-05-18 23:21:52] [INFO ] Dead Transitions using invariants and state equation in 561 ms found 0 transitions.
Starting structural reductions in SI_LTL mode, iteration 1 : 325/437 places, 883/995 transitions.
Finished structural reductions, in 1 iterations. Remains : 325/437 places, 883/995 transitions.
Stuttering acceptance computed with spot in 87 ms :[(AND (NOT p1) (NOT p0)), (AND (NOT p1) (NOT p0))]
Running random walk in product with property : PolyORBLF-PT-S06J04T04-LTLCardinality-10 automaton TGBA Formula[mat=[[{ cond=(NOT p1), acceptance={} source=0 dest: 0}, { cond=(AND (NOT p1) (NOT p0)), acceptance={} source=0 dest: 1}], [{ cond=(AND (NOT p1) (NOT p0)), acceptance={0} source=1 dest: 1}]], initial=0, aps=[p1:(LEQ 1 s247), p0:(LEQ s22 s178)], nbAcceptance=1, properties=[trans-labels, explicit-labels, trans-acc, no-univ-branch, stutter-invariant], stateDesc=[null, null][true, true]]
Product exploration explored 100000 steps with 13197 reset in 688 ms.
Product exploration explored 100000 steps with 13058 reset in 618 ms.
Computed a total of 0 stabilizing places and 0 stable transitions
Computed a total of 0 stabilizing places and 0 stable transitions
Knowledge obtained : [(AND (NOT p1) (NOT p0)), (X (NOT p1)), (X (AND (NOT p1) (NOT p0))), (X (X (NOT p1))), (X (X (AND (NOT p1) (NOT p0))))]
False Knowledge obtained : []
Knowledge based reduction with 5 factoid took 169 ms. Reduced automaton from 2 states, 3 edges and 2 AP to 2 states, 3 edges and 2 AP.
Stuttering acceptance computed with spot in 65 ms :[(AND (NOT p1) (NOT p0)), (AND (NOT p1) (NOT p0))]
Finished random walk after 113 steps, including 2 resets, run visited all 2 properties in 3 ms. (steps per millisecond=37 )
Knowledge obtained : [(AND (NOT p1) (NOT p0)), (X (NOT p1)), (X (AND (NOT p1) (NOT p0))), (X (X (NOT p1))), (X (X (AND (NOT p1) (NOT p0))))]
False Knowledge obtained : [(F p1), (F (NOT (AND (NOT p0) (NOT p1))))]
Knowledge based reduction with 5 factoid took 227 ms. Reduced automaton from 2 states, 3 edges and 2 AP to 2 states, 3 edges and 2 AP.
Stuttering acceptance computed with spot in 71 ms :[(AND (NOT p1) (NOT p0)), (AND (NOT p1) (NOT p0))]
Stuttering acceptance computed with spot in 76 ms :[(AND (NOT p1) (NOT p0)), (AND (NOT p1) (NOT p0))]
[2022-05-18 23:21:54] [INFO ] Flow matrix only has 859 transitions (discarded 24 similar events)
// Phase 1: matrix 859 rows 325 cols
[2022-05-18 23:21:54] [INFO ] Computed 40 place invariants in 22 ms
[2022-05-18 23:21:54] [INFO ] [Real]Absence check using 20 positive place invariants in 7 ms returned sat
[2022-05-18 23:21:54] [INFO ] [Real]Absence check using 20 positive and 20 generalized place invariants in 17 ms returned sat
[2022-05-18 23:21:54] [INFO ] [Real]Adding state equation constraints to refine reachable states.
[2022-05-18 23:21:55] [INFO ] [Real]Absence check using state equation in 792 ms returned sat
[2022-05-18 23:21:55] [INFO ] Solution in real domain found non-integer solution.
[2022-05-18 23:21:55] [INFO ] [Nat]Absence check using 20 positive place invariants in 8 ms returned sat
[2022-05-18 23:21:55] [INFO ] [Nat]Absence check using 20 positive and 20 generalized place invariants in 20 ms returned sat
[2022-05-18 23:21:55] [INFO ] [Nat]Adding state equation constraints to refine reachable states.
[2022-05-18 23:21:58] [INFO ] [Nat]Absence check using state equation in 2868 ms returned sat
[2022-05-18 23:21:58] [INFO ] State equation strengthened by 112 read => feed constraints.
[2022-05-18 23:22:01] [INFO ] SMT solver returned unknown. Retrying;
[2022-05-18 23:22:04] [INFO ] [Nat]Added 112 Read/Feed constraints in 6016 ms returned unknown
Could not prove EG (AND (NOT p1) (NOT p0))
Support contains 3 out of 325 places. Attempting structural reductions.
Starting structural reductions in SI_LTL mode, iteration 0 : 325/325 places, 883/883 transitions.
Applied a total of 0 rules in 32 ms. Remains 325 /325 variables (removed 0) and now considering 883/883 (removed 0) transitions.
[2022-05-18 23:22:04] [INFO ] Flow matrix only has 859 transitions (discarded 24 similar events)
// Phase 1: matrix 859 rows 325 cols
[2022-05-18 23:22:04] [INFO ] Computed 40 place invariants in 14 ms
[2022-05-18 23:22:05] [INFO ] Dead Transitions using invariants and state equation in 492 ms found 0 transitions.
[2022-05-18 23:22:05] [INFO ] Flow matrix only has 859 transitions (discarded 24 similar events)
// Phase 1: matrix 859 rows 325 cols
[2022-05-18 23:22:05] [INFO ] Computed 40 place invariants in 14 ms
[2022-05-18 23:22:05] [INFO ] Implicit Places using invariants in 353 ms returned []
[2022-05-18 23:22:05] [INFO ] Flow matrix only has 859 transitions (discarded 24 similar events)
// Phase 1: matrix 859 rows 325 cols
[2022-05-18 23:22:05] [INFO ] Computed 40 place invariants in 15 ms
[2022-05-18 23:22:05] [INFO ] State equation strengthened by 112 read => feed constraints.
[2022-05-18 23:22:09] [INFO ] Implicit Places using invariants and state equation in 4291 ms returned []
Implicit Place search using SMT with State Equation took 4647 ms to find 0 implicit places.
[2022-05-18 23:22:09] [INFO ] Redundant transitions in 19 ms returned []
[2022-05-18 23:22:09] [INFO ] Flow matrix only has 859 transitions (discarded 24 similar events)
// Phase 1: matrix 859 rows 325 cols
[2022-05-18 23:22:09] [INFO ] Computed 40 place invariants in 22 ms
[2022-05-18 23:22:10] [INFO ] Dead Transitions using invariants and state equation in 544 ms found 0 transitions.
Finished structural reductions, in 1 iterations. Remains : 325/325 places, 883/883 transitions.
Computed a total of 0 stabilizing places and 0 stable transitions
Computed a total of 0 stabilizing places and 0 stable transitions
Knowledge obtained : [(AND (NOT p1) (NOT p0)), (X (AND (NOT p0) (NOT p1))), (X (NOT p1)), (X (X (AND (NOT p0) (NOT p1)))), (X (X (NOT p1)))]
False Knowledge obtained : []
Knowledge based reduction with 5 factoid took 322 ms. Reduced automaton from 2 states, 3 edges and 2 AP to 2 states, 3 edges and 2 AP.
Stuttering acceptance computed with spot in 74 ms :[(AND (NOT p1) (NOT p0)), (AND (NOT p1) (NOT p0))]
Finished random walk after 128 steps, including 1 resets, run visited all 2 properties in 2 ms. (steps per millisecond=64 )
Knowledge obtained : [(AND (NOT p1) (NOT p0)), (X (AND (NOT p0) (NOT p1))), (X (NOT p1)), (X (X (AND (NOT p0) (NOT p1)))), (X (X (NOT p1)))]
False Knowledge obtained : [(F p1), (F (NOT (AND (NOT p0) (NOT p1))))]
Knowledge based reduction with 5 factoid took 188 ms. Reduced automaton from 2 states, 3 edges and 2 AP to 2 states, 3 edges and 2 AP.
Stuttering acceptance computed with spot in 73 ms :[(AND (NOT p1) (NOT p0)), (AND (NOT p1) (NOT p0))]
Stuttering acceptance computed with spot in 69 ms :[(AND (NOT p1) (NOT p0)), (AND (NOT p1) (NOT p0))]
[2022-05-18 23:22:11] [INFO ] Flow matrix only has 859 transitions (discarded 24 similar events)
// Phase 1: matrix 859 rows 325 cols
[2022-05-18 23:22:11] [INFO ] Computed 40 place invariants in 29 ms
[2022-05-18 23:22:11] [INFO ] [Real]Absence check using 20 positive place invariants in 6 ms returned sat
[2022-05-18 23:22:11] [INFO ] [Real]Absence check using 20 positive and 20 generalized place invariants in 18 ms returned sat
[2022-05-18 23:22:11] [INFO ] [Real]Adding state equation constraints to refine reachable states.
[2022-05-18 23:22:12] [INFO ] [Real]Absence check using state equation in 790 ms returned sat
[2022-05-18 23:22:12] [INFO ] Solution in real domain found non-integer solution.
[2022-05-18 23:22:12] [INFO ] [Nat]Absence check using 20 positive place invariants in 7 ms returned sat
[2022-05-18 23:22:12] [INFO ] [Nat]Absence check using 20 positive and 20 generalized place invariants in 25 ms returned sat
[2022-05-18 23:22:12] [INFO ] [Nat]Adding state equation constraints to refine reachable states.
[2022-05-18 23:22:15] [INFO ] [Nat]Absence check using state equation in 2919 ms returned sat
[2022-05-18 23:22:15] [INFO ] State equation strengthened by 112 read => feed constraints.
[2022-05-18 23:22:18] [INFO ] SMT solver returned unknown. Retrying;
[2022-05-18 23:22:21] [INFO ] [Nat]Added 112 Read/Feed constraints in 6018 ms returned unknown
Could not prove EG (AND (NOT p1) (NOT p0))
Stuttering acceptance computed with spot in 74 ms :[(AND (NOT p1) (NOT p0)), (AND (NOT p1) (NOT p0))]
Product exploration explored 100000 steps with 13092 reset in 612 ms.
Product exploration explored 100000 steps with 13373 reset in 605 ms.
Built C files in :
/tmp/ltsmin3688845673015870074
[2022-05-18 23:22:22] [INFO ] Computing symmetric may disable matrix : 883 transitions.
[2022-05-18 23:22:22] [INFO ] Computation of Complete disable matrix. took 23 ms. Total solver calls (SAT/UNSAT): 0(0/0)
[2022-05-18 23:22:22] [INFO ] Computing symmetric may enable matrix : 883 transitions.
[2022-05-18 23:22:22] [INFO ] Computation of Complete enable matrix. took 3 ms. Total solver calls (SAT/UNSAT): 0(0/0)
[2022-05-18 23:22:23] [INFO ] Computing Do-Not-Accords matrix : 883 transitions.
[2022-05-18 23:22:23] [INFO ] Computation of Completed DNA matrix. took 33 ms. Total solver calls (SAT/UNSAT): 0(0/0)
[2022-05-18 23:22:23] [INFO ] Built C files in 243ms conformant to PINS (ltsmin variant)in folder :/tmp/ltsmin3688845673015870074
Running compilation step : cd /tmp/ltsmin3688845673015870074;'/home/mcc/BenchKit/itstools/plugins/fr.lip6.move.gal.ltsmin.binaries_1.0.0.202205111006/bin/limit_time.pl' '3' 'gcc' '-c' '-I/home/mcc/BenchKit/itstools/plugins/fr.lip6.move.gal.ltsmin.binaries_1.0.0.202205111006/bin/include/' '-I.' '-std=c99' '-fPIC' '-O0' 'model.c'
Compilation finished in 2856 ms.
Running link step : cd /tmp/ltsmin3688845673015870074;'gcc' '-shared' '-o' 'gal.so' 'model.o'
Link finished in 58 ms.
Running LTSmin : cd /tmp/ltsmin3688845673015870074;'/home/mcc/BenchKit/itstools/plugins/fr.lip6.move.gal.ltsmin.binaries_1.0.0.202205111006/bin/pins2lts-mc-linux64' './gal.so' '--threads=8' '-p' '--pins-guards' '--when' '--hoa' '/tmp/stateBased9134953335993747781.hoa' '--buchi-type=spotba'
WARNING : LTS min runner thread was asked to interrupt. Dying gracefully.
Support contains 3 out of 325 places. Attempting structural reductions.
Starting structural reductions in SI_LTL mode, iteration 0 : 325/325 places, 883/883 transitions.
Applied a total of 0 rules in 23 ms. Remains 325 /325 variables (removed 0) and now considering 883/883 (removed 0) transitions.
[2022-05-18 23:22:37] [INFO ] Flow matrix only has 859 transitions (discarded 24 similar events)
// Phase 1: matrix 859 rows 325 cols
[2022-05-18 23:22:38] [INFO ] Computed 40 place invariants in 16 ms
[2022-05-18 23:22:38] [INFO ] Dead Transitions using invariants and state equation in 503 ms found 0 transitions.
[2022-05-18 23:22:38] [INFO ] Flow matrix only has 859 transitions (discarded 24 similar events)
// Phase 1: matrix 859 rows 325 cols
[2022-05-18 23:22:38] [INFO ] Computed 40 place invariants in 15 ms
[2022-05-18 23:22:38] [INFO ] Implicit Places using invariants in 330 ms returned []
[2022-05-18 23:22:38] [INFO ] Flow matrix only has 859 transitions (discarded 24 similar events)
// Phase 1: matrix 859 rows 325 cols
[2022-05-18 23:22:38] [INFO ] Computed 40 place invariants in 19 ms
[2022-05-18 23:22:39] [INFO ] State equation strengthened by 112 read => feed constraints.
[2022-05-18 23:22:42] [INFO ] Implicit Places using invariants and state equation in 3279 ms returned []
Implicit Place search using SMT with State Equation took 3621 ms to find 0 implicit places.
[2022-05-18 23:22:42] [INFO ] Redundant transitions in 12 ms returned []
[2022-05-18 23:22:42] [INFO ] Flow matrix only has 859 transitions (discarded 24 similar events)
// Phase 1: matrix 859 rows 325 cols
[2022-05-18 23:22:42] [INFO ] Computed 40 place invariants in 19 ms
[2022-05-18 23:22:42] [INFO ] Dead Transitions using invariants and state equation in 494 ms found 0 transitions.
Finished structural reductions, in 1 iterations. Remains : 325/325 places, 883/883 transitions.
Built C files in :
/tmp/ltsmin12006883392399680255
[2022-05-18 23:22:42] [INFO ] Computing symmetric may disable matrix : 883 transitions.
[2022-05-18 23:22:42] [INFO ] Computation of Complete disable matrix. took 8 ms. Total solver calls (SAT/UNSAT): 0(0/0)
[2022-05-18 23:22:42] [INFO ] Computing symmetric may enable matrix : 883 transitions.
[2022-05-18 23:22:42] [INFO ] Computation of Complete enable matrix. took 3 ms. Total solver calls (SAT/UNSAT): 0(0/0)
[2022-05-18 23:22:42] [INFO ] Computing Do-Not-Accords matrix : 883 transitions.
[2022-05-18 23:22:42] [INFO ] Computation of Completed DNA matrix. took 17 ms. Total solver calls (SAT/UNSAT): 0(0/0)
[2022-05-18 23:22:42] [INFO ] Built C files in 121ms conformant to PINS (ltsmin variant)in folder :/tmp/ltsmin12006883392399680255
Running compilation step : cd /tmp/ltsmin12006883392399680255;'/home/mcc/BenchKit/itstools/plugins/fr.lip6.move.gal.ltsmin.binaries_1.0.0.202205111006/bin/limit_time.pl' '3' 'gcc' '-c' '-I/home/mcc/BenchKit/itstools/plugins/fr.lip6.move.gal.ltsmin.binaries_1.0.0.202205111006/bin/include/' '-I.' '-std=c99' '-fPIC' '-O0' 'model.c'
Compilation finished in 2587 ms.
Running link step : cd /tmp/ltsmin12006883392399680255;'gcc' '-shared' '-o' 'gal.so' 'model.o'
Link finished in 50 ms.
Running LTSmin : cd /tmp/ltsmin12006883392399680255;'/home/mcc/BenchKit/itstools/plugins/fr.lip6.move.gal.ltsmin.binaries_1.0.0.202205111006/bin/pins2lts-mc-linux64' './gal.so' '--threads=8' '-p' '--pins-guards' '--when' '--hoa' '/tmp/stateBased5617120204680228956.hoa' '--buchi-type=spotba'
LTSmin run took 4411 ms.
FORMULA PolyORBLF-PT-S06J04T04-LTLCardinality-10 FALSE TECHNIQUES PARTIAL_ORDER EXPLICIT LTSMIN SAT_SMT
Treatment of property PolyORBLF-PT-S06J04T04-LTLCardinality-10 finished in 62509 ms.
Running Spot : cd /home/mcc/execution;'/home/mcc/BenchKit/bin//..//ltl2tgba' '--check=stutter' '--hoaf=tv' '-f' '!(X(F(X(G(X(p0))))))'
Support contains 2 out of 437 places. Attempting structural reductions.
Starting structural reductions in SI_LTL mode, iteration 0 : 437/437 places, 995/995 transitions.
Drop transitions removed 28 transitions
Trivial Post-agglo rules discarded 28 transitions
Performed 28 trivial Post agglomeration. Transition count delta: 28
Iterating post reduction 0 with 28 rules applied. Total rules applied 28 place count 437 transition count 967
Reduce places removed 28 places and 0 transitions.
Iterating post reduction 1 with 28 rules applied. Total rules applied 56 place count 409 transition count 967
Performed 48 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 2 with 48 Pre rules applied. Total rules applied 56 place count 409 transition count 919
Deduced a syphon composed of 48 places in 0 ms
Reduce places removed 48 places and 0 transitions.
Iterating global reduction 2 with 96 rules applied. Total rules applied 152 place count 361 transition count 919
Performed 45 Post agglomeration using F-continuation condition.Transition count delta: 45
Deduced a syphon composed of 45 places in 1 ms
Reduce places removed 45 places and 0 transitions.
Iterating global reduction 2 with 90 rules applied. Total rules applied 242 place count 316 transition count 874
Discarding 4 places :
Symmetric choice reduction at 2 with 4 rule applications. Total rules 246 place count 312 transition count 870
Iterating global reduction 2 with 4 rules applied. Total rules applied 250 place count 312 transition count 870
Applied a total of 250 rules in 49 ms. Remains 312 /437 variables (removed 125) and now considering 870/995 (removed 125) transitions.
[2022-05-18 23:22:49] [INFO ] Flow matrix only has 846 transitions (discarded 24 similar events)
// Phase 1: matrix 846 rows 312 cols
[2022-05-18 23:22:49] [INFO ] Computed 40 place invariants in 14 ms
[2022-05-18 23:22:50] [INFO ] Dead Transitions using invariants and state equation in 470 ms found 0 transitions.
[2022-05-18 23:22:50] [INFO ] Flow matrix only has 846 transitions (discarded 24 similar events)
// Phase 1: matrix 846 rows 312 cols
[2022-05-18 23:22:50] [INFO ] Computed 40 place invariants in 14 ms
[2022-05-18 23:22:50] [INFO ] Implicit Places using invariants in 324 ms returned []
[2022-05-18 23:22:50] [INFO ] Flow matrix only has 846 transitions (discarded 24 similar events)
// Phase 1: matrix 846 rows 312 cols
[2022-05-18 23:22:50] [INFO ] Computed 40 place invariants in 13 ms
[2022-05-18 23:22:51] [INFO ] State equation strengthened by 112 read => feed constraints.
[2022-05-18 23:23:00] [INFO ] Implicit Places using invariants and state equation in 10233 ms returned []
Implicit Place search using SMT with State Equation took 10560 ms to find 0 implicit places.
[2022-05-18 23:23:00] [INFO ] Redundant transitions in 17 ms returned []
[2022-05-18 23:23:00] [INFO ] Flow matrix only has 846 transitions (discarded 24 similar events)
// Phase 1: matrix 846 rows 312 cols
[2022-05-18 23:23:00] [INFO ] Computed 40 place invariants in 17 ms
[2022-05-18 23:23:01] [INFO ] Dead Transitions using invariants and state equation in 497 ms found 0 transitions.
Starting structural reductions in SI_LTL mode, iteration 1 : 312/437 places, 870/995 transitions.
Finished structural reductions, in 1 iterations. Remains : 312/437 places, 870/995 transitions.
Stuttering acceptance computed with spot in 26 ms :[(NOT p0)]
Running random walk in product with property : PolyORBLF-PT-S06J04T04-LTLCardinality-15 automaton TGBA Formula[mat=[[{ cond=p0, acceptance={} source=0 dest: 0}, { cond=(NOT p0), acceptance={0} source=0 dest: 0}]], initial=0, aps=[p0:(GT s15 s69)], 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 21 steps with 0 reset in 0 ms.
FORMULA PolyORBLF-PT-S06J04T04-LTLCardinality-15 FALSE TECHNIQUES STUTTER_TEST
Treatment of property PolyORBLF-PT-S06J04T04-LTLCardinality-15 finished in 11643 ms.
All properties solved by simple procedures.
Total runtime 103949 ms.

BK_STOP 1652916181528

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

+ export LANG=C
+ LANG=C
+ export BINDIR=/home/mcc/BenchKit/bin//../
+ BINDIR=/home/mcc/BenchKit/bin//../
++ pwd
+ export MODEL=/home/mcc/execution
+ MODEL=/home/mcc/execution
+ [[ LTLCardinality = StateSpace ]]
+ /home/mcc/BenchKit/bin//..//runeclipse.sh /home/mcc/execution LTLCardinality -its -ltsmin -greatspnpath /home/mcc/BenchKit/bin//..//greatspn/ -order META -manyOrder -smt -timeout 3600
+ ulimit -s 65536
+ export PYTHONPATH=/usr/lib/python3.9/site-packages/
+ PYTHONPATH=/usr/lib/python3.9/site-packages/
+ export LD_LIBRARY_PATH=/usr/local/lib:
+ LD_LIBRARY_PATH=/usr/local/lib:
+ [[ -z '' ]]
+ export LTSMIN_MEM_SIZE=8589934592
+ LTSMIN_MEM_SIZE=8589934592
++ sed s/.jar//
++ perl -pe 's/.*\.//g'
++ ls /home/mcc/BenchKit/bin//..//itstools/plugins/fr.lip6.move.gal.application.pnmcc_1.0.0.202205111006.jar
+ VERSION=202205111006
+ echo 'Running Version 202205111006'
+ /home/mcc/BenchKit/bin//..//itstools/its-tools -data @none -pnfolder /home/mcc/execution -examination LTLCardinality -spotpath /home/mcc/BenchKit/bin//..//ltlfilt -z3path /home/mcc/BenchKit/bin//..//z3/bin/z3 -yices2path /home/mcc/BenchKit/bin//..//yices/bin/yices -its -ltsmin -greatspnpath /home/mcc/BenchKit/bin//..//greatspn/ -order META -manyOrder -smt -timeout 3600 -vmargs -Dosgi.locking=none -Declipse.stateSaveDelayInterval=-1 -Dosgi.configuration.area=@none -Xss128m -Xms40m -Xmx8192m

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="PolyORBLF-PT-S06J04T04"
export BK_EXAMINATION="LTLCardinality"
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 2-4028"
echo " Executing tool itstools"
echo " Input is PolyORBLF-PT-S06J04T04, examination is LTLCardinality"
echo " Time confinement is $BK_TIME_CONFINEMENT seconds"
echo " Memory confinement is 16384 MBytes"
echo " Number of cores is 4"
echo " Run identifier is r168-tall-165277017000683"
echo "====================================================================="
echo
echo "--------------------"
echo "preparation of the directory to be used:"

tar xzf /home/mcc/BenchKit/INPUTS/PolyORBLF-PT-S06J04T04.tgz
mv PolyORBLF-PT-S06J04T04 execution
cd execution
if [ "LTLCardinality" = "ReachabilityDeadlock" ] || [ "LTLCardinality" = "UpperBounds" ] || [ "LTLCardinality" = "QuasiLiveness" ] || [ "LTLCardinality" = "StableMarking" ] || [ "LTLCardinality" = "Liveness" ] || [ "LTLCardinality" = "OneSafe" ] || [ "LTLCardinality" = "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 [ "LTLCardinality" = "UpperBounds" ] ; then
echo "The expected result is a vector of positive values"
echo NUM_VECTOR
elif [ "LTLCardinality" != "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 "LTLCardinality.txt" ] ; then
echo "here is the order used to build the result vector(from text file)"
for x in $(grep Property LTLCardinality.txt | cut -d ' ' -f 2 | sort -u) ; do
echo "FORMULA_NAME $x"
done
elif [ -f "LTLCardinality.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 '' LTLCardinality.xml | cut -d '>' -f 2 | cut -d '<' -f 1 | sort -u) ; do
echo "FORMULA_NAME $x"
done
elif [ "LTLCardinality" = "ReachabilityDeadlock" ] || [ "LTLCardinality" = "QuasiLiveness" ] || [ "LTLCardinality" = "StableMarking" ] || [ "LTLCardinality" = "Liveness" ] || [ "LTLCardinality" = "OneSafe" ] ; then
echo "FORMULA_NAME LTLCardinality"
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 ;