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.r461-smll-171701123200237.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 ViralEpidemic-PT-S08D1C2A02, examination is LTLCardinality
Time confinement is 3600 seconds
Memory confinement is 16384 MBytes
Number of cores is 4
Run identifier is r461-smll-171701123200237
=====================================================================

--------------------
preparation of the directory to be used:
/home/mcc/execution
total 920K
-rw-r--r-- 1 mcc users 9.3K May 14 13:22 CTLCardinality.txt
-rw-r--r-- 1 mcc users 91K May 14 13:22 CTLCardinality.xml
-rw-r--r-- 1 mcc users 6.2K May 14 13:22 CTLFireability.txt
-rw-r--r-- 1 mcc users 53K May 14 13:22 CTLFireability.xml
-rw-r--r-- 1 mcc users 4.2K May 18 16:43 GenericPropertiesDefinition.xml
-rw-r--r-- 1 mcc users 6.8K May 18 16:43 GenericPropertiesVerdict.xml
-rw-r--r-- 1 mcc users 4.4K Apr 23 08:04 LTLCardinality.txt
-rw-r--r-- 1 mcc users 29K Apr 23 08:04 LTLCardinality.xml
-rw-r--r-- 1 mcc users 2.5K May 19 07:40 LTLFireability.txt
-rw-r--r-- 1 mcc users 19K May 19 19:31 LTLFireability.xml
-rw-r--r-- 1 mcc users 16K Apr 12 04:11 ReachabilityCardinality.txt
-rw-r--r-- 1 mcc users 147K Apr 12 04:11 ReachabilityCardinality.xml
-rw-r--r-- 1 mcc users 9.9K Apr 12 04:10 ReachabilityFireability.txt
-rw-r--r-- 1 mcc users 76K Apr 12 04:10 ReachabilityFireability.xml
-rw-r--r-- 1 mcc users 1.9K Apr 23 08:04 UpperBounds.txt
-rw-r--r-- 1 mcc users 3.9K Apr 23 08:04 UpperBounds.xml
-rw-r--r-- 1 mcc users 6 May 18 16:43 equiv_col
-rw-r--r-- 1 mcc users 11 May 18 16:43 instance
-rw-r--r-- 1 mcc users 6 May 18 16:43 iscolored
-rw-r--r-- 1 mcc users 400K 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 ViralEpidemic-PT-S08D1C2A02-LTLCardinality-00
FORMULA_NAME ViralEpidemic-PT-S08D1C2A02-LTLCardinality-01
FORMULA_NAME ViralEpidemic-PT-S08D1C2A02-LTLCardinality-02
FORMULA_NAME ViralEpidemic-PT-S08D1C2A02-LTLCardinality-03
FORMULA_NAME ViralEpidemic-PT-S08D1C2A02-LTLCardinality-04
FORMULA_NAME ViralEpidemic-PT-S08D1C2A02-LTLCardinality-05
FORMULA_NAME ViralEpidemic-PT-S08D1C2A02-LTLCardinality-06
FORMULA_NAME ViralEpidemic-PT-S08D1C2A02-LTLCardinality-07
FORMULA_NAME ViralEpidemic-PT-S08D1C2A02-LTLCardinality-08
FORMULA_NAME ViralEpidemic-PT-S08D1C2A02-LTLCardinality-09
FORMULA_NAME ViralEpidemic-PT-S08D1C2A02-LTLCardinality-10
FORMULA_NAME ViralEpidemic-PT-S08D1C2A02-LTLCardinality-11
FORMULA_NAME ViralEpidemic-PT-S08D1C2A02-LTLCardinality-12
FORMULA_NAME ViralEpidemic-PT-S08D1C2A02-LTLCardinality-13
FORMULA_NAME ViralEpidemic-PT-S08D1C2A02-LTLCardinality-14
FORMULA_NAME ViralEpidemic-PT-S08D1C2A02-LTLCardinality-15

=== Now, execution of the tool begins

BK_START 1717229138571

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=LTLCardinality
BK_BIN_PATH=/home/mcc/BenchKit/bin/
BK_TIME_CONFINEMENT=3600
BK_INPUT=ViralEpidemic-PT-S08D1C2A02
Not applying reductions.
Model is PT
LTLCardinality PT
Running Version 202304061127
[2024-06-01 08:05:41] [INFO ] Running its-tools with arguments : [-pnfolder, /home/mcc/execution, -examination, LTLCardinality, -its, -ltsmin, -greatspnpath, /home/mcc/BenchKit/bin//../itstools/bin//..//greatspn/, -order, META, -manyOrder, -smt, -timeout, 3600]
[2024-06-01 08:05:41] [INFO ] Parsing pnml file : /home/mcc/execution/model.pnml
[2024-06-01 08:05:42] [INFO ] Load time of PNML (sax parser for PT used): 225 ms
[2024-06-01 08:05:42] [INFO ] Transformed 731 places.
[2024-06-01 08:05:42] [INFO ] Transformed 1241 transitions.
[2024-06-01 08:05:42] [INFO ] Parsed PT model containing 731 places and 1241 transitions and 2993 arcs in 522 ms.
Parsed 16 properties from file /home/mcc/execution/LTLCardinality.xml in 21 ms.
Working with output stream class java.io.PrintStream
Initial state reduction rules removed 2 formulas.
FORMULA ViralEpidemic-PT-S08D1C2A02-LTLCardinality-04 FALSE TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA ViralEpidemic-PT-S08D1C2A02-LTLCardinality-06 FALSE TECHNIQUES TOPOLOGICAL INITIAL_STATE
Support contains 45 out of 731 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 731/731 places, 1241/1241 transitions.
Discarding 482 places :
Symmetric choice reduction at 0 with 482 rule applications. Total rules 482 place count 249 transition count 263
Iterating global reduction 0 with 482 rules applied. Total rules applied 964 place count 249 transition count 263
Applied a total of 964 rules in 162 ms. Remains 249 /731 variables (removed 482) and now considering 263/1241 (removed 978) transitions.
// Phase 1: matrix 263 rows 249 cols
[2024-06-01 08:05:42] [INFO ] Computed 1 invariants in 52 ms
[2024-06-01 08:05:43] [INFO ] Implicit Places using invariants in 680 ms returned []
[2024-06-01 08:05:43] [INFO ] Invariant cache hit.
[2024-06-01 08:05:43] [INFO ] Implicit Places using invariants and state equation in 552 ms returned []
Implicit Place search using SMT with State Equation took 1292 ms to find 0 implicit places.
[2024-06-01 08:05:43] [INFO ] Invariant cache hit.
[2024-06-01 08:05:44] [INFO ] Dead Transitions using invariants and state equation in 296 ms found 0 transitions.
Starting structural reductions in LTL mode, iteration 1 : 249/731 places, 263/1241 transitions.
Finished structural reductions in LTL mode , in 1 iterations and 1754 ms. Remains : 249/731 places, 263/1241 transitions.
Support contains 45 out of 249 places after structural reductions.
[2024-06-01 08:05:44] [INFO ] Flatten gal took : 79 ms
[2024-06-01 08:05:44] [INFO ] Flatten gal took : 35 ms
[2024-06-01 08:05:44] [INFO ] Input system was already deterministic with 263 transitions.
Support contains 44 out of 249 places (down from 45) after GAL structural reductions.
Incomplete random walk after 10000 steps, including 63 resets, run finished after 832 ms. (steps per millisecond=12 ) properties (out of 28) seen :19
Incomplete Best-First random walk after 10001 steps, including 3 resets, run finished after 56 ms. (steps per millisecond=178 ) properties (out of 9) seen :0
Incomplete Best-First random walk after 10001 steps, including 3 resets, run finished after 40 ms. (steps per millisecond=250 ) properties (out of 9) seen :0
Incomplete Best-First random walk after 10001 steps, including 3 resets, run finished after 51 ms. (steps per millisecond=196 ) properties (out of 9) seen :0
Incomplete Best-First random walk after 10001 steps, including 2 resets, run finished after 41 ms. (steps per millisecond=243 ) properties (out of 9) seen :0
Incomplete Best-First random walk after 10001 steps, including 3 resets, run finished after 37 ms. (steps per millisecond=270 ) properties (out of 9) seen :0
Incomplete Best-First random walk after 10001 steps, including 3 resets, run finished after 51 ms. (steps per millisecond=196 ) properties (out of 9) seen :0
Incomplete Best-First random walk after 10001 steps, including 2 resets, run finished after 30 ms. (steps per millisecond=333 ) properties (out of 9) seen :0
Incomplete Best-First random walk after 10001 steps, including 3 resets, run finished after 32 ms. (steps per millisecond=312 ) properties (out of 9) seen :0
Incomplete Best-First random walk after 10001 steps, including 3 resets, run finished after 42 ms. (steps per millisecond=238 ) properties (out of 9) seen :0
Running SMT prover for 9 properties.
[2024-06-01 08:05:46] [INFO ] Invariant cache hit.
[2024-06-01 08:05:46] [INFO ] [Real]Absence check using 0 positive and 1 generalized place invariants in 4 ms returned sat
[2024-06-01 08:05:46] [INFO ] After 219ms SMT Verify possible using all constraints in real domain returned unsat :0 sat :0 real:9
[2024-06-01 08:05:46] [INFO ] [Nat]Absence check using 0 positive and 1 generalized place invariants in 5 ms returned sat
[2024-06-01 08:05:46] [INFO ] After 360ms SMT Verify possible using all constraints in natural domain returned unsat :9 sat :0
Fused 9 Parikh solutions to 0 different solutions.
Parikh walk visited 0 properties in 3 ms.
Successfully simplified 9 atomic propositions for a total of 14 simplifications.
Initial state reduction rules removed 1 formulas.
FORMULA ViralEpidemic-PT-S08D1C2A02-LTLCardinality-01 FALSE TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA ViralEpidemic-PT-S08D1C2A02-LTLCardinality-07 FALSE TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA ViralEpidemic-PT-S08D1C2A02-LTLCardinality-10 TRUE TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA ViralEpidemic-PT-S08D1C2A02-LTLCardinality-11 FALSE TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA ViralEpidemic-PT-S08D1C2A02-LTLCardinality-15 FALSE TECHNIQUES TOPOLOGICAL INITIAL_STATE
Computed a total of 249 stabilizing places and 263 stable transitions
Complete graph has no SCC; deadlocks are unavoidable. place count 249 transition count 263
Detected that all paths lead to deadlock. Applying this knowledge to assert that all AP eventually converge (and all enablings converge to false).
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(X(G(p0)))))'
Support contains 1 out of 249 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 249/249 places, 263/263 transitions.
Discarding 38 places :
Symmetric choice reduction at 0 with 38 rule applications. Total rules 38 place count 211 transition count 210
Iterating global reduction 0 with 38 rules applied. Total rules applied 76 place count 211 transition count 210
Applied a total of 76 rules in 13 ms. Remains 211 /249 variables (removed 38) and now considering 210/263 (removed 53) transitions.
// Phase 1: matrix 210 rows 211 cols
[2024-06-01 08:05:47] [INFO ] Computed 1 invariants in 7 ms
[2024-06-01 08:05:47] [INFO ] Implicit Places using invariants in 162 ms returned []
[2024-06-01 08:05:47] [INFO ] Invariant cache hit.
[2024-06-01 08:05:47] [INFO ] Implicit Places using invariants and state equation in 254 ms returned []
Implicit Place search using SMT with State Equation took 429 ms to find 0 implicit places.
[2024-06-01 08:05:47] [INFO ] Invariant cache hit.
[2024-06-01 08:05:47] [INFO ] Dead Transitions using invariants and state equation in 161 ms found 0 transitions.
Starting structural reductions in LTL mode, iteration 1 : 211/249 places, 210/263 transitions.
Finished structural reductions in LTL mode , in 1 iterations and 605 ms. Remains : 211/249 places, 210/263 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 370 ms :[true, (NOT p0), (NOT p0), (NOT p0), (NOT p0)]
Running random walk in product with property : ViralEpidemic-PT-S08D1C2A02-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}], [{ cond=true, acceptance={} source=2 dest: 1}], [{ cond=true, acceptance={} source=3 dest: 4}], [{ cond=true, acceptance={} source=4 dest: 2}]], initial=3, aps=[p0:(LEQ 1 s189)], nbAcceptance=1, properties=[trans-labels, explicit-labels, trans-acc, complete, deterministic, no-univ-branch, unambiguous, semi-deterministic, stutter-sensitive, terminal, very-weak, weak, inherently-weak], stateDesc=[null, null, null, null, null][false, false, false, false, false]]
Entered a terminal (fully accepting) state of product in 3 steps with 0 reset in 3 ms.
FORMULA ViralEpidemic-PT-S08D1C2A02-LTLCardinality-00 FALSE TECHNIQUES STUTTER_TEST
Treatment of property ViralEpidemic-PT-S08D1C2A02-LTLCardinality-00 finished in 1076 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' '!(G(F(p0)))'
Support contains 1 out of 249 places. Attempting structural reductions.
Starting structural reductions in SI_LTL mode, iteration 0 : 249/249 places, 263/263 transitions.
Graph (complete) has 170 edges and 249 vertex of which 23 are kept as prefixes of interest. Removing 226 places using SCC suffix rule.2 ms
Discarding 226 places :
Also discarding 227 output transitions
Drop transitions removed 227 transitions
Reduce places removed 1 places and 1 transitions.
Discarding 13 places :
Symmetric choice reduction at 0 with 13 rule applications. Total rules 14 place count 9 transition count 10
Iterating global reduction 0 with 13 rules applied. Total rules applied 27 place count 9 transition count 10
Applied a total of 27 rules in 15 ms. Remains 9 /249 variables (removed 240) and now considering 10/263 (removed 253) transitions.
// Phase 1: matrix 10 rows 9 cols
[2024-06-01 08:05:48] [INFO ] Computed 0 invariants in 1 ms
[2024-06-01 08:05:48] [INFO ] Implicit Places using invariants in 29 ms returned []
[2024-06-01 08:05:48] [INFO ] Invariant cache hit.
[2024-06-01 08:05:48] [INFO ] Implicit Places using invariants and state equation in 32 ms returned []
Implicit Place search using SMT with State Equation took 63 ms to find 0 implicit places.
[2024-06-01 08:05:48] [INFO ] Redundant transitions in 0 ms returned []
[2024-06-01 08:05:48] [INFO ] Invariant cache hit.
[2024-06-01 08:05:48] [INFO ] Dead Transitions using invariants and state equation in 24 ms found 0 transitions.
Starting structural reductions in SI_LTL mode, iteration 1 : 9/249 places, 10/263 transitions.
Finished structural reductions in SI_LTL mode , in 1 iterations and 110 ms. Remains : 9/249 places, 10/263 transitions.
Stuttering acceptance computed with spot in 81 ms :[(NOT p0), (NOT p0)]
Running random walk in product with property : ViralEpidemic-PT-S08D1C2A02-LTLCardinality-02 automaton TGBA Formula[mat=[[{ cond=true, acceptance={} source=0 dest: 0}, { cond=(NOT p0), acceptance={} source=0 dest: 1}], [{ cond=(NOT p0), acceptance={0} source=1 dest: 1}]], initial=0, aps=[p0:(GT 1 s6)], nbAcceptance=1, properties=[trans-labels, explicit-labels, trans-acc, no-univ-branch, stutter-invariant, very-weak, weak, inherently-weak], stateDesc=[null, null][true, true]]
Stuttering criterion allowed to conclude after 183 steps with 13 reset in 6 ms.
FORMULA ViralEpidemic-PT-S08D1C2A02-LTLCardinality-02 FALSE TECHNIQUES STUTTER_TEST
Treatment of property ViralEpidemic-PT-S08D1C2A02-LTLCardinality-02 finished in 217 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 249 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 249/249 places, 263/263 transitions.
Discarding 37 places :
Symmetric choice reduction at 0 with 37 rule applications. Total rules 37 place count 212 transition count 218
Iterating global reduction 0 with 37 rules applied. Total rules applied 74 place count 212 transition count 218
Applied a total of 74 rules in 11 ms. Remains 212 /249 variables (removed 37) and now considering 218/263 (removed 45) transitions.
// Phase 1: matrix 218 rows 212 cols
[2024-06-01 08:05:48] [INFO ] Computed 1 invariants in 4 ms
[2024-06-01 08:05:48] [INFO ] Implicit Places using invariants in 137 ms returned []
[2024-06-01 08:05:48] [INFO ] Invariant cache hit.
[2024-06-01 08:05:48] [INFO ] Implicit Places using invariants and state equation in 325 ms returned []
Implicit Place search using SMT with State Equation took 467 ms to find 0 implicit places.
[2024-06-01 08:05:48] [INFO ] Invariant cache hit.
[2024-06-01 08:05:48] [INFO ] Dead Transitions using invariants and state equation in 201 ms found 0 transitions.
Starting structural reductions in LTL mode, iteration 1 : 212/249 places, 218/263 transitions.
Finished structural reductions in LTL mode , in 1 iterations and 682 ms. Remains : 212/249 places, 218/263 transitions.
Stuttering acceptance computed with spot in 79 ms :[(NOT p0), (NOT p0)]
Running random walk in product with property : ViralEpidemic-PT-S08D1C2A02-LTLCardinality-03 automaton TGBA Formula[mat=[[{ cond=true, acceptance={} source=0 dest: 1}], [{ cond=(NOT p0), acceptance={0} source=1 dest: 1}]], initial=0, aps=[p0:(LEQ s55 s202)], 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]]
Stuttering criterion allowed to conclude after 124 steps with 0 reset in 2 ms.
FORMULA ViralEpidemic-PT-S08D1C2A02-LTLCardinality-03 FALSE TECHNIQUES STUTTER_TEST
Treatment of property ViralEpidemic-PT-S08D1C2A02-LTLCardinality-03 finished in 779 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' '!(G(F((G(p1)||p0))))'
Support contains 6 out of 249 places. Attempting structural reductions.
Starting structural reductions in SI_LTL mode, iteration 0 : 249/249 places, 263/263 transitions.
Graph (complete) has 170 edges and 249 vertex of which 70 are kept as prefixes of interest. Removing 179 places using SCC suffix rule.1 ms
Discarding 179 places :
Also discarding 136 output transitions
Drop transitions removed 136 transitions
Reduce places removed 1 places and 1 transitions.
Ensure Unique test removed 16 transitions
Reduce isomorphic transitions removed 16 transitions.
Iterating post reduction 0 with 16 rules applied. Total rules applied 17 place count 69 transition count 110
Discarding 25 places :
Symmetric choice reduction at 1 with 25 rule applications. Total rules 42 place count 44 transition count 55
Iterating global reduction 1 with 25 rules applied. Total rules applied 67 place count 44 transition count 55
Applied a total of 67 rules in 9 ms. Remains 44 /249 variables (removed 205) and now considering 55/263 (removed 208) transitions.
// Phase 1: matrix 55 rows 44 cols
[2024-06-01 08:05:49] [INFO ] Computed 0 invariants in 0 ms
[2024-06-01 08:05:49] [INFO ] Implicit Places using invariants in 34 ms returned []
[2024-06-01 08:05:49] [INFO ] Invariant cache hit.
[2024-06-01 08:05:49] [INFO ] Implicit Places using invariants and state equation in 55 ms returned []
Implicit Place search using SMT with State Equation took 93 ms to find 0 implicit places.
[2024-06-01 08:05:49] [INFO ] Redundant transitions in 28 ms returned [15, 24, 33, 42, 50]
Found 5 redundant transitions using SMT.
Drop transitions removed 5 transitions
Redundant transitions reduction (with SMT) removed 5 transitions.
// Phase 1: matrix 50 rows 44 cols
[2024-06-01 08:05:49] [INFO ] Computed 0 invariants in 12 ms
[2024-06-01 08:05:49] [INFO ] Dead Transitions using invariants and state equation in 60 ms found 0 transitions.
Starting structural reductions in SI_LTL mode, iteration 1 : 44/249 places, 50/263 transitions.
Graph (complete) has 24 edges and 44 vertex of which 39 are kept as prefixes of interest. Removing 5 places using SCC suffix rule.1 ms
Discarding 5 places :
Also discarding 5 output transitions
Drop transitions removed 5 transitions
Applied a total of 1 rules in 4 ms. Remains 39 /44 variables (removed 5) and now considering 45/50 (removed 5) transitions.
// Phase 1: matrix 45 rows 39 cols
[2024-06-01 08:05:49] [INFO ] Computed 0 invariants in 0 ms
[2024-06-01 08:05:49] [INFO ] Implicit Places using invariants in 31 ms returned []
[2024-06-01 08:05:49] [INFO ] Invariant cache hit.
[2024-06-01 08:05:49] [INFO ] Implicit Places using invariants and state equation in 51 ms returned []
Implicit Place search using SMT with State Equation took 84 ms to find 0 implicit places.
Starting structural reductions in SI_LTL mode, iteration 2 : 39/249 places, 45/263 transitions.
Finished structural reductions in SI_LTL mode , in 2 iterations and 289 ms. Remains : 39/249 places, 45/263 transitions.
Stuttering acceptance computed with spot in 85 ms :[(AND (NOT p1) (NOT p0)), (AND (NOT p1) (NOT p0))]
Running random walk in product with property : ViralEpidemic-PT-S08D1C2A02-LTLCardinality-05 automaton TGBA Formula[mat=[[{ cond=true, acceptance={} source=0 dest: 0}, { cond=(AND (NOT p1) (NOT p0)), acceptance={} source=0 dest: 1}], [{ cond=(AND p1 (NOT p0)), acceptance={} source=1 dest: 1}, { cond=(AND (NOT p1) (NOT p0)), acceptance={0} source=1 dest: 1}]], initial=0, aps=[p1:(LEQ s26 s38), p0:(OR (GT s14 s32) (GT s20 s6))], nbAcceptance=1, properties=[trans-labels, explicit-labels, trans-acc, no-univ-branch, stutter-invariant], stateDesc=[null, null][true, true]]
Stuttering criterion allowed to conclude after 1697 steps with 47 reset in 16 ms.
FORMULA ViralEpidemic-PT-S08D1C2A02-LTLCardinality-05 FALSE TECHNIQUES STUTTER_TEST
Treatment of property ViralEpidemic-PT-S08D1C2A02-LTLCardinality-05 finished in 408 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(p0)||G(p1)))'
Support contains 3 out of 249 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 249/249 places, 263/263 transitions.
Discarding 37 places :
Symmetric choice reduction at 0 with 37 rule applications. Total rules 37 place count 212 transition count 211
Iterating global reduction 0 with 37 rules applied. Total rules applied 74 place count 212 transition count 211
Applied a total of 74 rules in 9 ms. Remains 212 /249 variables (removed 37) and now considering 211/263 (removed 52) transitions.
// Phase 1: matrix 211 rows 212 cols
[2024-06-01 08:05:49] [INFO ] Computed 1 invariants in 4 ms
[2024-06-01 08:05:49] [INFO ] Implicit Places using invariants in 136 ms returned []
[2024-06-01 08:05:49] [INFO ] Invariant cache hit.
[2024-06-01 08:05:49] [INFO ] Implicit Places using invariants and state equation in 239 ms returned []
Implicit Place search using SMT with State Equation took 380 ms to find 0 implicit places.
[2024-06-01 08:05:49] [INFO ] Invariant cache hit.
[2024-06-01 08:05:49] [INFO ] Dead Transitions using invariants and state equation in 193 ms found 0 transitions.
Starting structural reductions in LTL mode, iteration 1 : 212/249 places, 211/263 transitions.
Finished structural reductions in LTL mode , in 1 iterations and 584 ms. Remains : 212/249 places, 211/263 transitions.
Stuttering acceptance computed with spot in 211 ms :[true, (NOT p0), (AND (NOT p0) (NOT p1)), (AND (NOT p1) (NOT p0)), (NOT p1)]
Running random walk in product with property : ViralEpidemic-PT-S08D1C2A02-LTLCardinality-08 automaton TGBA Formula[mat=[[{ cond=true, acceptance={0} source=0 dest: 0}], [{ cond=(NOT p0), acceptance={} source=1 dest: 0}], [{ cond=(NOT p1), acceptance={} source=2 dest: 1}, { cond=p1, acceptance={} source=2 dest: 3}], [{ cond=(AND (NOT p1) (NOT p0)), acceptance={} source=3 dest: 0}, { cond=(AND p1 (NOT p0)), acceptance={} source=3 dest: 4}], [{ cond=(NOT p1), acceptance={} source=4 dest: 0}, { cond=p1, acceptance={} source=4 dest: 4}]], initial=2, aps=[p0:(LEQ s134 s52), p1:(GT 1 s7)], nbAcceptance=1, properties=[trans-labels, explicit-labels, trans-acc, deterministic, no-univ-branch, unambiguous, semi-deterministic, stutter-sensitive, terminal, very-weak, weak, inherently-weak], stateDesc=[null, null, null, null, null][false, false, false, false, false]]
Entered a terminal (fully accepting) state of product in 293 steps with 2 reset in 4 ms.
FORMULA ViralEpidemic-PT-S08D1C2A02-LTLCardinality-08 FALSE TECHNIQUES STUTTER_TEST
Treatment of property ViralEpidemic-PT-S08D1C2A02-LTLCardinality-08 finished in 817 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(p1)))))'
Support contains 3 out of 249 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 249/249 places, 263/263 transitions.
Discarding 36 places :
Symmetric choice reduction at 0 with 36 rule applications. Total rules 36 place count 213 transition count 219
Iterating global reduction 0 with 36 rules applied. Total rules applied 72 place count 213 transition count 219
Applied a total of 72 rules in 16 ms. Remains 213 /249 variables (removed 36) and now considering 219/263 (removed 44) transitions.
// Phase 1: matrix 219 rows 213 cols
[2024-06-01 08:05:50] [INFO ] Computed 1 invariants in 7 ms
[2024-06-01 08:05:50] [INFO ] Implicit Places using invariants in 172 ms returned []
[2024-06-01 08:05:50] [INFO ] Invariant cache hit.
[2024-06-01 08:05:50] [INFO ] Implicit Places using invariants and state equation in 325 ms returned []
Implicit Place search using SMT with State Equation took 500 ms to find 0 implicit places.
[2024-06-01 08:05:50] [INFO ] Invariant cache hit.
[2024-06-01 08:05:50] [INFO ] Dead Transitions using invariants and state equation in 226 ms found 0 transitions.
Starting structural reductions in LTL mode, iteration 1 : 213/249 places, 219/263 transitions.
Finished structural reductions in LTL mode , in 1 iterations and 745 ms. Remains : 213/249 places, 219/263 transitions.
Stuttering acceptance computed with spot in 150 ms :[(OR (NOT p0) (NOT p1)), (NOT p1), (OR (NOT p0) (NOT p1))]
Running random walk in product with property : ViralEpidemic-PT-S08D1C2A02-LTLCardinality-09 automaton TGBA Formula[mat=[[{ cond=true, acceptance={} source=0 dest: 2}], [{ cond=(NOT p1), acceptance={0} source=1 dest: 1}], [{ cond=(AND p0 (NOT p1)), acceptance={0} source=2 dest: 1}, { cond=(NOT p0), acceptance={0} source=2 dest: 2}]], initial=0, aps=[p1:(GT s56 s112), p0:(LEQ 1 s157)], 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]]
Stuttering criterion allowed to conclude after 127 steps with 0 reset in 2 ms.
FORMULA ViralEpidemic-PT-S08D1C2A02-LTLCardinality-09 FALSE TECHNIQUES STUTTER_TEST
Treatment of property ViralEpidemic-PT-S08D1C2A02-LTLCardinality-09 finished in 922 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) U p1)))'
Support contains 6 out of 249 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 249/249 places, 263/263 transitions.
Discarding 34 places :
Symmetric choice reduction at 0 with 34 rule applications. Total rules 34 place count 215 transition count 214
Iterating global reduction 0 with 34 rules applied. Total rules applied 68 place count 215 transition count 214
Applied a total of 68 rules in 11 ms. Remains 215 /249 variables (removed 34) and now considering 214/263 (removed 49) transitions.
// Phase 1: matrix 214 rows 215 cols
[2024-06-01 08:05:51] [INFO ] Computed 1 invariants in 3 ms
[2024-06-01 08:05:51] [INFO ] Implicit Places using invariants in 203 ms returned []
[2024-06-01 08:05:51] [INFO ] Invariant cache hit.
[2024-06-01 08:05:51] [INFO ] Implicit Places using invariants and state equation in 307 ms returned []
Implicit Place search using SMT with State Equation took 515 ms to find 0 implicit places.
[2024-06-01 08:05:51] [INFO ] Invariant cache hit.
[2024-06-01 08:05:51] [INFO ] Dead Transitions using invariants and state equation in 289 ms found 0 transitions.
Starting structural reductions in LTL mode, iteration 1 : 215/249 places, 214/263 transitions.
Finished structural reductions in LTL mode , in 1 iterations and 822 ms. Remains : 215/249 places, 214/263 transitions.
Stuttering acceptance computed with spot in 149 ms :[(NOT p1), (NOT p1), (NOT p0)]
Running random walk in product with property : ViralEpidemic-PT-S08D1C2A02-LTLCardinality-12 automaton TGBA Formula[mat=[[{ cond=true, acceptance={} source=0 dest: 1}], [{ cond=(NOT p1), acceptance={} source=1 dest: 1}, { cond=(AND (NOT p1) (NOT p0)), acceptance={} source=1 dest: 2}], [{ cond=(NOT p0), acceptance={} source=2 dest: 2}]], initial=0, aps=[p1:(OR (LEQ s167 s103) (LEQ s183 s52)), p0:(LEQ s13 s89)], nbAcceptance=0, properties=[trans-labels, explicit-labels, trans-acc, no-univ-branch, stutter-sensitive, very-weak, weak, inherently-weak], stateDesc=[null, null, null][false, false, false]]
Product exploration explored 100000 steps with 50000 reset in 829 ms.
Product exploration explored 100000 steps with 50000 reset in 570 ms.
Computed a total of 215 stabilizing places and 214 stable transitions
Complete graph has no SCC; deadlocks are unavoidable. place count 215 transition count 214
Detected that all paths lead to deadlock. Applying this knowledge to assert that all AP eventually converge (and all enablings converge to false).
Detected that all paths lead to deadlock. Applying this knowledge to assert that all AP eventually converge : F ( (Ga|G!a) & (Gb|G!b)...)
Knowledge obtained : [(AND p1 p0), (X p1), (X (NOT (AND (NOT p1) (NOT p0)))), (X (X p1)), (X (X (NOT (AND (NOT p1) (NOT p0))))), (X (X p0)), (F (G p1)), (F (OR (G p0) (G (NOT p0))))]
False Knowledge obtained : []
Property proved to be true thanks to knowledge (Minato strategy)
Knowledge based reduction with 8 factoid took 32 ms. Reduced automaton from 3 states, 4 edges and 2 AP (stutter sensitive) to 1 states, 0 edges and 0 AP (stutter insensitive).
FORMULA ViralEpidemic-PT-S08D1C2A02-LTLCardinality-12 TRUE TECHNIQUES KNOWLEDGE
Treatment of property ViralEpidemic-PT-S08D1C2A02-LTLCardinality-12 finished in 2545 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 249 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 249/249 places, 263/263 transitions.
Discarding 38 places :
Symmetric choice reduction at 0 with 38 rule applications. Total rules 38 place count 211 transition count 210
Iterating global reduction 0 with 38 rules applied. Total rules applied 76 place count 211 transition count 210
Applied a total of 76 rules in 9 ms. Remains 211 /249 variables (removed 38) and now considering 210/263 (removed 53) transitions.
// Phase 1: matrix 210 rows 211 cols
[2024-06-01 08:05:53] [INFO ] Computed 1 invariants in 3 ms
[2024-06-01 08:05:53] [INFO ] Implicit Places using invariants in 144 ms returned []
[2024-06-01 08:05:53] [INFO ] Invariant cache hit.
[2024-06-01 08:05:54] [INFO ] Implicit Places using invariants and state equation in 343 ms returned []
Implicit Place search using SMT with State Equation took 494 ms to find 0 implicit places.
[2024-06-01 08:05:54] [INFO ] Invariant cache hit.
[2024-06-01 08:05:54] [INFO ] Dead Transitions using invariants and state equation in 244 ms found 0 transitions.
Starting structural reductions in LTL mode, iteration 1 : 211/249 places, 210/263 transitions.
Finished structural reductions in LTL mode , in 1 iterations and 759 ms. Remains : 211/249 places, 210/263 transitions.
Stuttering acceptance computed with spot in 105 ms :[(NOT p0), (NOT p0)]
Running random walk in product with property : ViralEpidemic-PT-S08D1C2A02-LTLCardinality-13 automaton TGBA Formula[mat=[[{ cond=true, acceptance={} source=0 dest: 1}], [{ cond=(NOT p0), acceptance={0} source=1 dest: 1}]], initial=0, aps=[p0:(LEQ s199 s155)], 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 494 ms.
Product exploration explored 100000 steps with 50000 reset in 682 ms.
Computed a total of 211 stabilizing places and 210 stable transitions
Complete graph has no SCC; deadlocks are unavoidable. place count 211 transition count 210
Detected that all paths lead to deadlock. Applying this knowledge to assert that all AP eventually converge (and all enablings converge to false).
Detected that all paths lead to deadlock. Applying this knowledge to assert that all AP eventually converge : F ( (Ga|G!a) & (Gb|G!b)...)
Knowledge obtained : [p0, (X p0), (F (G p0))]
False Knowledge obtained : [(X (X (NOT p0))), (X (X p0))]
Property proved to be true thanks to knowledge (Minato strategy)
Knowledge based reduction with 3 factoid took 21 ms. Reduced automaton from 2 states, 2 edges and 1 AP (stutter sensitive) to 1 states, 0 edges and 0 AP (stutter insensitive).
FORMULA ViralEpidemic-PT-S08D1C2A02-LTLCardinality-13 TRUE TECHNIQUES KNOWLEDGE
Treatment of property ViralEpidemic-PT-S08D1C2A02-LTLCardinality-13 finished in 2308 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' '!(G((F(p0)&&F(G(p1)))))'
Support contains 5 out of 249 places. Attempting structural reductions.
Starting structural reductions in SI_LTL mode, iteration 0 : 249/249 places, 263/263 transitions.
Graph (complete) has 170 edges and 249 vertex of which 47 are kept as prefixes of interest. Removing 202 places using SCC suffix rule.1 ms
Discarding 202 places :
Also discarding 185 output transitions
Drop transitions removed 185 transitions
Reduce places removed 1 places and 1 transitions.
Ensure Unique test removed 10 transitions
Reduce isomorphic transitions removed 10 transitions.
Iterating post reduction 0 with 10 rules applied. Total rules applied 11 place count 46 transition count 67
Discarding 15 places :
Symmetric choice reduction at 1 with 15 rule applications. Total rules 26 place count 31 transition count 37
Iterating global reduction 1 with 15 rules applied. Total rules applied 41 place count 31 transition count 37
Applied a total of 41 rules in 6 ms. Remains 31 /249 variables (removed 218) and now considering 37/263 (removed 226) transitions.
// Phase 1: matrix 37 rows 31 cols
[2024-06-01 08:05:56] [INFO ] Computed 0 invariants in 1 ms
[2024-06-01 08:05:56] [INFO ] Implicit Places using invariants in 42 ms returned []
[2024-06-01 08:05:56] [INFO ] Invariant cache hit.
[2024-06-01 08:05:56] [INFO ] Implicit Places using invariants and state equation in 59 ms returned []
Implicit Place search using SMT with State Equation took 103 ms to find 0 implicit places.
[2024-06-01 08:05:56] [INFO ] Redundant transitions in 19 ms returned [9, 18, 32]
Found 3 redundant transitions using SMT.
Drop transitions removed 3 transitions
Redundant transitions reduction (with SMT) removed 3 transitions.
// Phase 1: matrix 34 rows 31 cols
[2024-06-01 08:05:56] [INFO ] Computed 0 invariants in 0 ms
[2024-06-01 08:05:56] [INFO ] Dead Transitions using invariants and state equation in 42 ms found 0 transitions.
Starting structural reductions in SI_LTL mode, iteration 1 : 31/249 places, 34/263 transitions.
Graph (complete) has 16 edges and 31 vertex of which 28 are kept as prefixes of interest. Removing 3 places using SCC suffix rule.1 ms
Discarding 3 places :
Also discarding 3 output transitions
Drop transitions removed 3 transitions
Applied a total of 1 rules in 2 ms. Remains 28 /31 variables (removed 3) and now considering 31/34 (removed 3) transitions.
// Phase 1: matrix 31 rows 28 cols
[2024-06-01 08:05:56] [INFO ] Computed 0 invariants in 1 ms
[2024-06-01 08:05:56] [INFO ] Implicit Places using invariants in 35 ms returned []
[2024-06-01 08:05:56] [INFO ] Invariant cache hit.
[2024-06-01 08:05:56] [INFO ] Implicit Places using invariants and state equation in 50 ms returned []
Implicit Place search using SMT with State Equation took 88 ms to find 0 implicit places.
Starting structural reductions in SI_LTL mode, iteration 2 : 28/249 places, 31/263 transitions.
Finished structural reductions in SI_LTL mode , in 2 iterations and 273 ms. Remains : 28/249 places, 31/263 transitions.
Stuttering acceptance computed with spot in 148 ms :[(OR (NOT p0) (NOT p1)), (NOT p0), (NOT p1)]
Running random walk in product with property : ViralEpidemic-PT-S08D1C2A02-LTLCardinality-14 automaton TGBA Formula[mat=[[{ cond=true, acceptance={} source=0 dest: 0}, { cond=(NOT p0), acceptance={} source=0 dest: 1}, { cond=(NOT p1), acceptance={} source=0 dest: 2}], [{ cond=(NOT p0), acceptance={0} source=1 dest: 1}], [{ cond=p1, acceptance={} source=2 dest: 2}, { cond=(NOT p1), acceptance={0} source=2 dest: 2}]], initial=0, aps=[p0:(LEQ s26 s16), p1:(AND (LEQ s8 s22) (GT 3 s6))], nbAcceptance=1, properties=[trans-labels, explicit-labels, trans-acc, no-univ-branch, stutter-invariant], stateDesc=[null, null, null][true, true, true]]
Stuttering criterion allowed to conclude after 25 steps with 0 reset in 1 ms.
FORMULA ViralEpidemic-PT-S08D1C2A02-LTLCardinality-14 FALSE TECHNIQUES STUTTER_TEST
Treatment of property ViralEpidemic-PT-S08D1C2A02-LTLCardinality-14 finished in 445 ms.
All properties solved by simple procedures.
Total runtime 14757 ms.

BK_STOP 1717229157839

--------------------
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
+ [[ LTLCardinality = StateSpace ]]
+ /home/mcc/BenchKit/bin//../itstools/bin//..//runeclipse.sh /home/mcc/execution LTLCardinality -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 LTLCardinality -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="ViralEpidemic-PT-S08D1C2A02"
export BK_EXAMINATION="LTLCardinality"
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 ViralEpidemic-PT-S08D1C2A02, 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 r461-smll-171701123200237"
echo "====================================================================="
echo
echo "--------------------"
echo "preparation of the directory to be used:"

tar xzf /home/mcc/BenchKit/INPUTS/ViralEpidemic-PT-S08D1C2A02.tgz
mv ViralEpidemic-PT-S08D1C2A02 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 ;