Execution Chart

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

Trace from the execution

Formatting '/mnt/tpsp/fkordon/mcc2023-input.r421-tajo-167905975300507.qcow2', fmt=qcow2 size=4294967296 backing_file='/mnt/tpsp/fkordon/mcc2023-input.qcow2' encryption=off cluster_size=65536 lazy_refcounts=off
Waiting for the VM to be ready (probing ssh)
......................
=====================================================================
Generated by BenchKit 2-5348
Executing tool itstools
Input is SimpleLoadBal-PT-05, examination is LTLCardinality
Time confinement is 3600 seconds
Memory confinement is 16384 MBytes
Number of cores is 4
Run identifier is r421-tajo-167905975300507
=====================================================================

--------------------
preparation of the directory to be used:
/home/mcc/execution
total 732K
-rw-r--r-- 1 mcc users 6.6K Feb 26 03:49 CTLCardinality.txt
-rw-r--r-- 1 mcc users 54K Feb 26 03:49 CTLCardinality.xml
-rw-r--r-- 1 mcc users 7.2K Feb 26 03:48 CTLFireability.txt
-rw-r--r-- 1 mcc users 49K Feb 26 03:48 CTLFireability.xml
-rw-r--r-- 1 mcc users 4.2K Jan 29 11:41 GenericPropertiesDefinition.xml
-rw-r--r-- 1 mcc users 6.8K Jan 29 11:41 GenericPropertiesVerdict.xml
-rw-r--r-- 1 mcc users 5.1K Feb 25 17:06 LTLCardinality.txt
-rw-r--r-- 1 mcc users 28K Feb 25 17:06 LTLCardinality.xml
-rw-r--r-- 1 mcc users 3.2K Feb 25 17:06 LTLFireability.txt
-rw-r--r-- 1 mcc users 18K Feb 25 17:06 LTLFireability.xml
-rw-r--r-- 1 mcc users 28K Feb 26 03:51 ReachabilityCardinality.txt
-rw-r--r-- 1 mcc users 241K Feb 26 03:51 ReachabilityCardinality.xml
-rw-r--r-- 1 mcc users 12K Feb 26 03:50 ReachabilityFireability.txt
-rw-r--r-- 1 mcc users 71K Feb 26 03:50 ReachabilityFireability.xml
-rw-r--r-- 1 mcc users 1.9K Feb 25 17:06 UpperBounds.txt
-rw-r--r-- 1 mcc users 3.9K Feb 25 17:06 UpperBounds.xml
-rw-r--r-- 1 mcc users 6 Mar 5 18:23 equiv_col
-rw-r--r-- 1 mcc users 3 Mar 5 18:23 instance
-rw-r--r-- 1 mcc users 6 Mar 5 18:23 iscolored
-rw-r--r-- 1 mcc users 155K Mar 5 18:23 model.pnml

--------------------
content from stdout:

=== Data for post analysis generated by BenchKit (invocation template)

The expected result is a vector of booleans
BOOL_VECTOR

here is the order used to build the result vector(from text file)
FORMULA_NAME SimpleLoadBal-PT-05-LTLCardinality-00
FORMULA_NAME SimpleLoadBal-PT-05-LTLCardinality-01
FORMULA_NAME SimpleLoadBal-PT-05-LTLCardinality-02
FORMULA_NAME SimpleLoadBal-PT-05-LTLCardinality-03
FORMULA_NAME SimpleLoadBal-PT-05-LTLCardinality-04
FORMULA_NAME SimpleLoadBal-PT-05-LTLCardinality-05
FORMULA_NAME SimpleLoadBal-PT-05-LTLCardinality-06
FORMULA_NAME SimpleLoadBal-PT-05-LTLCardinality-07
FORMULA_NAME SimpleLoadBal-PT-05-LTLCardinality-08
FORMULA_NAME SimpleLoadBal-PT-05-LTLCardinality-09
FORMULA_NAME SimpleLoadBal-PT-05-LTLCardinality-10
FORMULA_NAME SimpleLoadBal-PT-05-LTLCardinality-11
FORMULA_NAME SimpleLoadBal-PT-05-LTLCardinality-12
FORMULA_NAME SimpleLoadBal-PT-05-LTLCardinality-13
FORMULA_NAME SimpleLoadBal-PT-05-LTLCardinality-14
FORMULA_NAME SimpleLoadBal-PT-05-LTLCardinality-15

=== Now, execution of the tool begins

BK_START 1679183577303

bash -c /home/mcc/BenchKit/BenchKit_head.sh 2> STDERR ; echo ; echo -n "BK_STOP " ; date -u +%s%3N
Invoking MCC driver with
BK_TOOL=itstools
BK_EXAMINATION=LTLCardinality
BK_BIN_PATH=/home/mcc/BenchKit/bin/
BK_TIME_CONFINEMENT=3600
BK_INPUT=SimpleLoadBal-PT-05
Not applying reductions.
Model is PT
LTLCardinality PT
Running Version 202303021504
[2023-03-18 23:52:59] [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]
[2023-03-18 23:52:59] [INFO ] Parsing pnml file : /home/mcc/execution/model.pnml
[2023-03-18 23:52:59] [INFO ] Load time of PNML (sax parser for PT used): 63 ms
[2023-03-18 23:52:59] [INFO ] Transformed 59 places.
[2023-03-18 23:52:59] [INFO ] Transformed 180 transitions.
[2023-03-18 23:52:59] [INFO ] Found NUPN structural information;
[2023-03-18 23:52:59] [INFO ] Completing missing partition info from NUPN : creating a component with [P_client_idle_1, P_client_idle_2, P_client_idle_3, P_client_idle_4, P_client_idle_5, P_client_waiting_1, P_client_waiting_2, P_client_waiting_3, P_client_waiting_4, P_client_waiting_5, P_client_request_1, P_client_request_2, P_client_request_3, P_client_request_4, P_client_request_5, P_client_ack_1, P_client_ack_2, P_client_ack_3, P_client_ack_4, P_client_ack_5, P_server_idle_1, P_server_idle_2, P_server_waiting_1, P_server_waiting_2, P_server_processed_1, P_server_processed_2, P_server_notification_1, P_server_notification_2, P_server_notification_ack_1, P_server_notification_ack_2, P_server_request_1_1, P_server_request_1_2, P_server_request_2_1, P_server_request_2_2, P_server_request_3_1, P_server_request_3_2, P_server_request_4_1, P_server_request_4_2, P_server_request_5_1, P_server_request_5_2, P_lb_idle_1, P_lb_routing_1_1, P_lb_routing_1_2, P_lb_routing_1_3, P_lb_routing_1_4, P_lb_routing_1_5, P_lb_balancing_1, P_lb_load_1_0, P_lb_load_1_1, P_lb_load_1_2, P_lb_load_1_3, P_lb_load_1_4, P_lb_load_1_5, P_lb_load_2_0, P_lb_load_2_1, P_lb_load_2_2, P_lb_load_2_3, P_lb_load_2_4, P_lb_load_2_5]
[2023-03-18 23:52:59] [INFO ] Parsed PT model containing 59 places and 180 transitions and 1158 arcs in 130 ms.
Parsed 16 properties from file /home/mcc/execution/LTLCardinality.xml in 8 ms.
Working with output stream class java.io.PrintStream
Initial state reduction rules removed 4 formulas.
FORMULA SimpleLoadBal-PT-05-LTLCardinality-02 TRUE TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA SimpleLoadBal-PT-05-LTLCardinality-06 TRUE TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA SimpleLoadBal-PT-05-LTLCardinality-07 TRUE TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA SimpleLoadBal-PT-05-LTLCardinality-08 TRUE TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA SimpleLoadBal-PT-05-LTLCardinality-09 FALSE TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA SimpleLoadBal-PT-05-LTLCardinality-10 FALSE TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA SimpleLoadBal-PT-05-LTLCardinality-11 FALSE TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA SimpleLoadBal-PT-05-LTLCardinality-01 FALSE TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA SimpleLoadBal-PT-05-LTLCardinality-13 TRUE TECHNIQUES TOPOLOGICAL INITIAL_STATE
Support contains 15 out of 59 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 59/59 places, 180/180 transitions.
Applied a total of 0 rules in 17 ms. Remains 59 /59 variables (removed 0) and now considering 180/180 (removed 0) transitions.
[2023-03-18 23:52:59] [INFO ] Flow matrix only has 140 transitions (discarded 40 similar events)
// Phase 1: matrix 140 rows 59 cols
[2023-03-18 23:52:59] [INFO ] Computed 19 place invariants in 15 ms
[2023-03-18 23:52:59] [INFO ] Implicit Places using invariants in 214 ms returned [5, 6, 7, 9, 22, 23]
Discarding 6 places :
Implicit Place search using SMT only with invariants took 246 ms to find 6 implicit places.
Starting structural reductions in LTL mode, iteration 1 : 53/59 places, 180/180 transitions.
Applied a total of 0 rules in 3 ms. Remains 53 /53 variables (removed 0) and now considering 180/180 (removed 0) transitions.
Finished structural reductions in LTL mode , in 2 iterations and 266 ms. Remains : 53/59 places, 180/180 transitions.
Support contains 15 out of 53 places after structural reductions.
[2023-03-18 23:52:59] [INFO ] Flatten gal took : 47 ms
[2023-03-18 23:52:59] [INFO ] Flatten gal took : 20 ms
[2023-03-18 23:52:59] [INFO ] Input system was already deterministic with 180 transitions.
Incomplete random walk after 10000 steps, including 2 resets, run finished after 104 ms. (steps per millisecond=96 ) properties (out of 9) seen :8
Incomplete Best-First random walk after 10001 steps, including 2 resets, run finished after 18 ms. (steps per millisecond=555 ) properties (out of 1) seen :0
Running SMT prover for 1 properties.
[2023-03-18 23:53:00] [INFO ] Flow matrix only has 140 transitions (discarded 40 similar events)
// Phase 1: matrix 140 rows 53 cols
[2023-03-18 23:53:00] [INFO ] Computed 13 place invariants in 4 ms
[2023-03-18 23:53:00] [INFO ] [Real]Absence check using 9 positive place invariants in 2 ms returned sat
[2023-03-18 23:53:00] [INFO ] [Real]Absence check using 9 positive and 4 generalized place invariants in 1 ms returned sat
[2023-03-18 23:53:00] [INFO ] After 106ms SMT Verify possible using all constraints in real domain returned unsat :0 sat :0 real:1
[2023-03-18 23:53:00] [INFO ] [Nat]Absence check using 9 positive place invariants in 2 ms returned sat
[2023-03-18 23:53:00] [INFO ] [Nat]Absence check using 9 positive and 4 generalized place invariants in 3 ms returned sat
[2023-03-18 23:53:00] [INFO ] After 39ms SMT Verify possible using state equation in natural domain returned unsat :0 sat :1
[2023-03-18 23:53:00] [INFO ] State equation strengthened by 55 read => feed constraints.
[2023-03-18 23:53:00] [INFO ] After 26ms SMT Verify possible using 55 Read/Feed constraints in natural domain returned unsat :0 sat :1
[2023-03-18 23:53:00] [INFO ] After 46ms SMT Verify possible using trap constraints in natural domain returned unsat :0 sat :1
Attempting to minimize the solution found.
Minimization took 93 ms.
[2023-03-18 23:53:00] [INFO ] After 263ms SMT Verify possible using all constraints in natural domain returned unsat :0 sat :1
Parikh walk visited 0 properties in 2 ms.
Support contains 2 out of 53 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 53/53 places, 180/180 transitions.
Performed 6 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 0 with 6 Pre rules applied. Total rules applied 0 place count 53 transition count 174
Deduced a syphon composed of 6 places in 1 ms
Reduce places removed 6 places and 0 transitions.
Iterating global reduction 0 with 12 rules applied. Total rules applied 12 place count 47 transition count 174
Performed 6 Post agglomeration using F-continuation condition.Transition count delta: 6
Deduced a syphon composed of 6 places in 0 ms
Reduce places removed 6 places and 0 transitions.
Iterating global reduction 0 with 12 rules applied. Total rules applied 24 place count 41 transition count 168
Free-agglomeration rule (complex) applied 5 times.
Iterating global reduction 0 with 5 rules applied. Total rules applied 29 place count 41 transition count 163
Reduce places removed 5 places and 0 transitions.
Iterating post reduction 0 with 5 rules applied. Total rules applied 34 place count 36 transition count 163
Applied a total of 34 rules in 52 ms. Remains 36 /53 variables (removed 17) and now considering 163/180 (removed 17) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 52 ms. Remains : 36/53 places, 163/180 transitions.
Incomplete random walk after 10000 steps, including 2 resets, run finished after 80 ms. (steps per millisecond=125 ) properties (out of 1) seen :0
Incomplete Best-First random walk after 10000 steps, including 2 resets, run finished after 25 ms. (steps per millisecond=400 ) properties (out of 1) seen :0
Probably explored full state space saw : 2292 states, properties seen :0
Probabilistic random walk after 12402 steps, saw 2292 distinct states, run finished after 63 ms. (steps per millisecond=196 ) properties seen :0
Explored full state space saw : 2292 states, properties seen :0
Exhaustive walk after 12402 steps, saw 2292 distinct states, run finished after 16 ms. (steps per millisecond=775 ) properties seen :0
FORMULA SimpleLoadBal-PT-05-LTLCardinality-15 FALSE TECHNIQUES REACHABILITY_KNOWLEDGE
Successfully simplified 1 atomic propositions for a total of 6 simplifications.
FORMULA SimpleLoadBal-PT-05-LTLCardinality-03 FALSE TECHNIQUES TOPOLOGICAL INITIAL_STATE
Computed a total of 0 stabilizing places and 0 stable transitions
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202303021504/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!(X(F(p0)))'
Support contains 2 out of 53 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 53/53 places, 180/180 transitions.
Applied a total of 0 rules in 10 ms. Remains 53 /53 variables (removed 0) and now considering 180/180 (removed 0) transitions.
[2023-03-18 23:53:01] [INFO ] Flow matrix only has 140 transitions (discarded 40 similar events)
[2023-03-18 23:53:01] [INFO ] Invariant cache hit.
[2023-03-18 23:53:01] [INFO ] Implicit Places using invariants in 165 ms returned [5]
Discarding 1 places :
Implicit Place search using SMT only with invariants took 166 ms to find 1 implicit places.
Starting structural reductions in LTL mode, iteration 1 : 52/53 places, 180/180 transitions.
Applied a total of 0 rules in 1 ms. Remains 52 /52 variables (removed 0) and now considering 180/180 (removed 0) transitions.
Finished structural reductions in LTL mode , in 2 iterations and 177 ms. Remains : 52/53 places, 180/180 transitions.
Stuttering acceptance computed with spot in 293 ms :[(NOT p0), (NOT p0)]
Running random walk in product with property : SimpleLoadBal-PT-05-LTLCardinality-00 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 (EQ s29 0) (EQ s13 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 388 ms.
Product exploration explored 100000 steps with 50000 reset in 230 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 : [p0, (X p0), (X (X p0))]
False Knowledge obtained : []
Property proved to be true thanks to knowledge :(X p0)
Knowledge based reduction with 3 factoid took 113 ms. Reduced automaton from 2 states, 2 edges and 1 AP (stutter sensitive) to 1 states, 0 edges and 0 AP (stutter insensitive).
FORMULA SimpleLoadBal-PT-05-LTLCardinality-00 TRUE TECHNIQUES KNOWLEDGE
Treatment of property SimpleLoadBal-PT-05-LTLCardinality-00 finished in 1287 ms.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202303021504/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!(((p0 U G(!p0))||X(G(p1))))'
Support contains 3 out of 53 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 53/53 places, 180/180 transitions.
Applied a total of 0 rules in 2 ms. Remains 53 /53 variables (removed 0) and now considering 180/180 (removed 0) transitions.
[2023-03-18 23:53:02] [INFO ] Flow matrix only has 140 transitions (discarded 40 similar events)
[2023-03-18 23:53:02] [INFO ] Invariant cache hit.
[2023-03-18 23:53:02] [INFO ] Implicit Places using invariants in 137 ms returned [5]
Discarding 1 places :
Implicit Place search using SMT only with invariants took 139 ms to find 1 implicit places.
Starting structural reductions in LTL mode, iteration 1 : 52/53 places, 180/180 transitions.
Applied a total of 0 rules in 3 ms. Remains 52 /52 variables (removed 0) and now considering 180/180 (removed 0) transitions.
Finished structural reductions in LTL mode , in 2 iterations and 144 ms. Remains : 52/53 places, 180/180 transitions.
Stuttering acceptance computed with spot in 322 ms :[true, p0, (AND p0 (NOT p1)), (NOT p1), (AND (NOT p1) p0), (AND p0 (NOT p1)), p0]
Running random walk in product with property : SimpleLoadBal-PT-05-LTLCardinality-04 automaton TGBA Formula[mat=[[{ cond=true, acceptance={0} source=0 dest: 0}], [{ cond=p0, acceptance={0} source=1 dest: 1}, { cond=(NOT p0), acceptance={0} source=1 dest: 6}], [{ cond=(NOT p0), acceptance={} source=2 dest: 4}, { cond=p0, acceptance={} source=2 dest: 5}], [{ cond=(NOT p1), acceptance={} source=3 dest: 0}, { cond=p1, acceptance={} source=3 dest: 3}], [{ cond=(AND p0 (NOT p1)), acceptance={} source=4 dest: 0}, { cond=(AND p0 p1), acceptance={} source=4 dest: 3}, { cond=(AND (NOT p0) p1), acceptance={} source=4 dest: 4}, { cond=(AND (NOT p0) (NOT p1)), acceptance={} source=4 dest: 6}], [{ cond=(AND p0 (NOT p1)), acceptance={} source=5 dest: 1}, { cond=(AND (NOT p0) p1), acceptance={} source=5 dest: 4}, { cond=(AND p0 p1), acceptance={} source=5 dest: 5}, { cond=(AND (NOT p0) (NOT p1)), acceptance={} source=5 dest: 6}], [{ cond=p0, acceptance={} source=6 dest: 0}, { cond=(NOT p0), acceptance={} source=6 dest: 6}]], initial=2, aps=[p0:(NEQ s5 1), p1:(AND (EQ s32 0) (EQ s28 1))], nbAcceptance=1, properties=[trans-labels, explicit-labels, trans-acc, complete, deterministic, no-univ-branch, unambiguous, semi-deterministic, stutter-sensitive, very-weak, weak, inherently-weak], stateDesc=[null, null, null, null, null, null, null][false, false, false, false, false, false, false]]
Entered a terminal (fully accepting) state of product in 7 steps with 0 reset in 1 ms.
FORMULA SimpleLoadBal-PT-05-LTLCardinality-04 FALSE TECHNIQUES STUTTER_TEST
Treatment of property SimpleLoadBal-PT-05-LTLCardinality-04 finished in 499 ms.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202303021504/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!((G(p0)||(G(!p0) U !p1)))'
Support contains 4 out of 53 places. Attempting structural reductions.
Starting structural reductions in SI_LTL mode, iteration 0 : 53/53 places, 180/180 transitions.
Performed 4 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 0 with 4 Pre rules applied. Total rules applied 0 place count 53 transition count 176
Deduced a syphon composed of 4 places in 0 ms
Reduce places removed 4 places and 0 transitions.
Iterating global reduction 0 with 8 rules applied. Total rules applied 8 place count 49 transition count 176
Performed 6 Post agglomeration using F-continuation condition.Transition count delta: 6
Deduced a syphon composed of 6 places in 1 ms
Reduce places removed 6 places and 0 transitions.
Iterating global reduction 0 with 12 rules applied. Total rules applied 20 place count 43 transition count 170
Applied a total of 20 rules in 25 ms. Remains 43 /53 variables (removed 10) and now considering 170/180 (removed 10) transitions.
[2023-03-18 23:53:02] [INFO ] Flow matrix only has 130 transitions (discarded 40 similar events)
// Phase 1: matrix 130 rows 43 cols
[2023-03-18 23:53:02] [INFO ] Computed 13 place invariants in 2 ms
[2023-03-18 23:53:03] [INFO ] Implicit Places using invariants in 272 ms returned []
[2023-03-18 23:53:03] [INFO ] Flow matrix only has 130 transitions (discarded 40 similar events)
[2023-03-18 23:53:03] [INFO ] Invariant cache hit.
[2023-03-18 23:53:03] [INFO ] State equation strengthened by 55 read => feed constraints.
[2023-03-18 23:53:03] [INFO ] Implicit Places using invariants and state equation in 195 ms returned []
Implicit Place search using SMT with State Equation took 470 ms to find 0 implicit places.
[2023-03-18 23:53:03] [INFO ] Redundant transitions in 5 ms returned []
[2023-03-18 23:53:03] [INFO ] Flow matrix only has 130 transitions (discarded 40 similar events)
[2023-03-18 23:53:03] [INFO ] Invariant cache hit.
[2023-03-18 23:53:03] [INFO ] Dead Transitions using invariants and state equation in 129 ms found 39 transitions.
Found 39 dead transitions using SMT.
Drop transitions removed 39 transitions
Dead transitions reduction (with SMT) removed 39 transitions
Starting structural reductions in SI_LTL mode, iteration 1 : 43/53 places, 131/180 transitions.
Reduce places removed 2 places and 4 transitions.
Reduce places removed 1 places and 8 transitions.
Iterating post reduction 0 with 1 rules applied. Total rules applied 1 place count 40 transition count 119
Applied a total of 1 rules in 7 ms. Remains 40 /43 variables (removed 3) and now considering 119/131 (removed 12) transitions.
[2023-03-18 23:53:03] [INFO ] Flow matrix only has 94 transitions (discarded 25 similar events)
// Phase 1: matrix 94 rows 40 cols
[2023-03-18 23:53:03] [INFO ] Computed 13 place invariants in 5 ms
[2023-03-18 23:53:03] [INFO ] Implicit Places using invariants in 73 ms returned []
[2023-03-18 23:53:03] [INFO ] Flow matrix only has 94 transitions (discarded 25 similar events)
[2023-03-18 23:53:03] [INFO ] Invariant cache hit.
[2023-03-18 23:53:03] [INFO ] State equation strengthened by 37 read => feed constraints.
[2023-03-18 23:53:03] [INFO ] Implicit Places using invariants and state equation in 138 ms returned []
Implicit Place search using SMT with State Equation took 256 ms to find 0 implicit places.
Starting structural reductions in SI_LTL mode, iteration 2 : 40/53 places, 119/180 transitions.
Finished structural reductions in SI_LTL mode , in 2 iterations and 900 ms. Remains : 40/53 places, 119/180 transitions.
Stuttering acceptance computed with spot in 238 ms :[true, (AND (NOT p0) p1), (OR p1 p0), (NOT p0), p0]
Running random walk in product with property : SimpleLoadBal-PT-05-LTLCardinality-05 automaton TGBA Formula[mat=[[{ cond=true, acceptance={0} source=0 dest: 0}], [{ cond=(AND (NOT p0) p1), acceptance={} source=1 dest: 2}, { cond=(AND p0 p1), acceptance={} source=1 dest: 3}], [{ cond=p0, acceptance={0} source=2 dest: 0}, { cond=(AND (NOT p0) p1), acceptance={0} source=2 dest: 2}, { cond=(AND (NOT p0) (NOT p1)), acceptance={0} source=2 dest: 4}], [{ cond=(NOT p0), acceptance={} source=3 dest: 0}, { cond=p0, acceptance={} source=3 dest: 3}], [{ cond=p0, acceptance={} source=4 dest: 0}, { cond=(NOT p0), acceptance={} source=4 dest: 4}]], initial=1, aps=[p0:(OR (EQ s14 0) (EQ s6 1)), p1:(OR (EQ s5 0) (EQ s13 1))], nbAcceptance=1, properties=[trans-labels, explicit-labels, trans-acc, deterministic, no-univ-branch, unambiguous, semi-deterministic, stutter-invariant, very-weak, weak, inherently-weak], stateDesc=[null, null, null, null, null][true, true, true, true, true]]
Entered a terminal (fully accepting) state of product in 60 steps with 0 reset in 1 ms.
FORMULA SimpleLoadBal-PT-05-LTLCardinality-05 FALSE TECHNIQUES STUTTER_TEST
Treatment of property SimpleLoadBal-PT-05-LTLCardinality-05 finished in 1165 ms.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202303021504/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!(X(X(X(F(p0)))))'
Support contains 2 out of 53 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 53/53 places, 180/180 transitions.
Applied a total of 0 rules in 1 ms. Remains 53 /53 variables (removed 0) and now considering 180/180 (removed 0) transitions.
[2023-03-18 23:53:03] [INFO ] Flow matrix only has 140 transitions (discarded 40 similar events)
// Phase 1: matrix 140 rows 53 cols
[2023-03-18 23:53:03] [INFO ] Computed 13 place invariants in 4 ms
[2023-03-18 23:53:04] [INFO ] Implicit Places using invariants in 102 ms returned [5]
Discarding 1 places :
Implicit Place search using SMT only with invariants took 117 ms to find 1 implicit places.
Starting structural reductions in LTL mode, iteration 1 : 52/53 places, 180/180 transitions.
Applied a total of 0 rules in 1 ms. Remains 52 /52 variables (removed 0) and now considering 180/180 (removed 0) transitions.
Finished structural reductions in LTL mode , in 2 iterations and 119 ms. Remains : 52/53 places, 180/180 transitions.
Stuttering acceptance computed with spot in 217 ms :[(NOT p0), (NOT p0), (NOT p0), (NOT p0)]
Running random walk in product with property : SimpleLoadBal-PT-05-LTLCardinality-12 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: 3}], [{ cond=true, acceptance={} source=3 dest: 1}]], initial=2, aps=[p0:(OR (EQ s28 0) (EQ s13 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, null, null][false, false, false, false]]
Product exploration explored 100000 steps with 25000 reset in 133 ms.
Product exploration explored 100000 steps with 25000 reset in 103 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 : [p0, true]
False Knowledge obtained : []
Knowledge based reduction with 2 factoid took 114 ms. Reduced automaton from 4 states, 4 edges and 1 AP (stutter sensitive) to 4 states, 4 edges and 1 AP (stutter sensitive).
Stuttering acceptance computed with spot in 158 ms :[(NOT p0), (NOT p0), (NOT p0), (NOT p0)]
Finished random walk after 12 steps, including 0 resets, run visited all 1 properties in 2 ms. (steps per millisecond=6 )
Knowledge obtained : [p0, true]
False Knowledge obtained : [(F (NOT p0))]
Knowledge based reduction with 2 factoid took 171 ms. Reduced automaton from 4 states, 4 edges and 1 AP (stutter sensitive) to 4 states, 4 edges and 1 AP (stutter sensitive).
Stuttering acceptance computed with spot in 202 ms :[(NOT p0), (NOT p0), (NOT p0), (NOT p0)]
Stuttering acceptance computed with spot in 179 ms :[(NOT p0), (NOT p0), (NOT p0), (NOT p0)]
Support contains 2 out of 52 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 52/52 places, 180/180 transitions.
Applied a total of 0 rules in 2 ms. Remains 52 /52 variables (removed 0) and now considering 180/180 (removed 0) transitions.
[2023-03-18 23:53:05] [INFO ] Flow matrix only has 140 transitions (discarded 40 similar events)
// Phase 1: matrix 140 rows 52 cols
[2023-03-18 23:53:05] [INFO ] Computed 12 place invariants in 2 ms
[2023-03-18 23:53:05] [INFO ] Implicit Places using invariants in 97 ms returned []
[2023-03-18 23:53:05] [INFO ] Flow matrix only has 140 transitions (discarded 40 similar events)
[2023-03-18 23:53:05] [INFO ] Invariant cache hit.
[2023-03-18 23:53:05] [INFO ] State equation strengthened by 55 read => feed constraints.
[2023-03-18 23:53:05] [INFO ] Implicit Places using invariants and state equation in 215 ms returned []
Implicit Place search using SMT with State Equation took 315 ms to find 0 implicit places.
[2023-03-18 23:53:05] [INFO ] Flow matrix only has 140 transitions (discarded 40 similar events)
[2023-03-18 23:53:05] [INFO ] Invariant cache hit.
[2023-03-18 23:53:05] [INFO ] Dead Transitions using invariants and state equation in 129 ms found 39 transitions.
Found 39 dead transitions using SMT.
Drop transitions removed 39 transitions
Dead transitions reduction (with SMT) removed 39 transitions
Starting structural reductions in LTL mode, iteration 1 : 52/52 places, 141/180 transitions.
Reduce places removed 2 places and 4 transitions.
Iterating post reduction 0 with 2 rules applied. Total rules applied 2 place count 50 transition count 137
Reduce places removed 1 places and 8 transitions.
Iterating post reduction 1 with 1 rules applied. Total rules applied 3 place count 49 transition count 129
Applied a total of 3 rules in 1 ms. Remains 49 /52 variables (removed 3) and now considering 129/141 (removed 12) transitions.
[2023-03-18 23:53:05] [INFO ] Flow matrix only has 104 transitions (discarded 25 similar events)
// Phase 1: matrix 104 rows 49 cols
[2023-03-18 23:53:05] [INFO ] Computed 12 place invariants in 1 ms
[2023-03-18 23:53:05] [INFO ] Implicit Places using invariants in 69 ms returned []
[2023-03-18 23:53:05] [INFO ] Flow matrix only has 104 transitions (discarded 25 similar events)
[2023-03-18 23:53:05] [INFO ] Invariant cache hit.
[2023-03-18 23:53:05] [INFO ] State equation strengthened by 37 read => feed constraints.
[2023-03-18 23:53:06] [INFO ] Implicit Places using invariants and state equation in 138 ms returned []
Implicit Place search using SMT with State Equation took 221 ms to find 0 implicit places.
Starting structural reductions in LTL mode, iteration 2 : 49/52 places, 129/180 transitions.
Finished structural reductions in LTL mode , in 2 iterations and 669 ms. Remains : 49/52 places, 129/180 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 : [p0, true]
False Knowledge obtained : []
Knowledge based reduction with 2 factoid took 126 ms. Reduced automaton from 4 states, 4 edges and 1 AP (stutter sensitive) to 4 states, 4 edges and 1 AP (stutter sensitive).
Stuttering acceptance computed with spot in 218 ms :[(NOT p0), (NOT p0), (NOT p0), (NOT p0)]
Finished random walk after 73 steps, including 0 resets, run visited all 1 properties in 2 ms. (steps per millisecond=36 )
Knowledge obtained : [p0, true]
False Knowledge obtained : [(F (NOT p0))]
Knowledge based reduction with 2 factoid took 129 ms. Reduced automaton from 4 states, 4 edges and 1 AP (stutter sensitive) to 4 states, 4 edges and 1 AP (stutter sensitive).
Stuttering acceptance computed with spot in 130 ms :[(NOT p0), (NOT p0), (NOT p0), (NOT p0)]
Stuttering acceptance computed with spot in 178 ms :[(NOT p0), (NOT p0), (NOT p0), (NOT p0)]
Stuttering acceptance computed with spot in 211 ms :[(NOT p0), (NOT p0), (NOT p0), (NOT p0)]
Product exploration explored 100000 steps with 25000 reset in 156 ms.
Product exploration explored 100000 steps with 25000 reset in 142 ms.
Applying partial POR strategy [true, false, false, false]
Stuttering acceptance computed with spot in 236 ms :[(NOT p0), (NOT p0), (NOT p0), (NOT p0)]
Support contains 2 out of 49 places. Attempting structural reductions.
Starting structural reductions in SI_LTL mode, iteration 0 : 49/49 places, 129/129 transitions.
Performed 5 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 0 with 5 Pre rules applied. Total rules applied 0 place count 49 transition count 129
Deduced a syphon composed of 5 places in 0 ms
Iterating global reduction 0 with 5 rules applied. Total rules applied 5 place count 49 transition count 129
Performed 8 Post agglomeration using F-continuation condition.Transition count delta: 0
Deduced a syphon composed of 13 places in 0 ms
Iterating global reduction 0 with 8 rules applied. Total rules applied 13 place count 49 transition count 129
Deduced a syphon composed of 13 places in 0 ms
Applied a total of 13 rules in 13 ms. Remains 49 /49 variables (removed 0) and now considering 129/129 (removed 0) transitions.
[2023-03-18 23:53:07] [INFO ] Redundant transitions in 3 ms returned []
[2023-03-18 23:53:07] [INFO ] Flow matrix only has 104 transitions (discarded 25 similar events)
// Phase 1: matrix 104 rows 49 cols
[2023-03-18 23:53:07] [INFO ] Computed 12 place invariants in 1 ms
[2023-03-18 23:53:08] [INFO ] Dead Transitions using invariants and state equation in 187 ms found 0 transitions.
Starting structural reductions in SI_LTL mode, iteration 1 : 49/49 places, 129/129 transitions.
Finished structural reductions in SI_LTL mode , in 1 iterations and 251 ms. Remains : 49/49 places, 129/129 transitions.
Built C files in :
/tmp/ltsmin7623397574993921270
[2023-03-18 23:53:08] [INFO ] Built C files in 33ms conformant to PINS (ltsmin variant)in folder :/tmp/ltsmin7623397574993921270
Running compilation step : cd /tmp/ltsmin7623397574993921270;'/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.ltsmin.binaries_1.0.0.202303021504/bin/limit_time.pl' '3' 'gcc' '-c' '-I/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.ltsmin.binaries_1.0.0.202303021504/bin/include/' '-I.' '-std=c99' '-fPIC' '-O0' 'model.c'
Compilation finished in 486 ms.
Running link step : cd /tmp/ltsmin7623397574993921270;'gcc' '-shared' '-o' 'gal.so' 'model.o'
Link finished in 74 ms.
Running LTSmin : cd /tmp/ltsmin7623397574993921270;'/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.ltsmin.binaries_1.0.0.202303021504/bin/pins2lts-mc-linux64' './gal.so' '--threads=8' '--when' '--hoa' '/tmp/stateBased11747164995349822423.hoa' '--buchi-type=spotba'
LTSmin run took 194 ms.
FORMULA SimpleLoadBal-PT-05-LTLCardinality-12 TRUE TECHNIQUES EXPLICIT LTSMIN SAT_SMT
Treatment of property SimpleLoadBal-PT-05-LTLCardinality-12 finished in 5037 ms.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202303021504/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!(G(F(p0)))'
Support contains 4 out of 53 places. Attempting structural reductions.
Starting structural reductions in SI_LTL mode, iteration 0 : 53/53 places, 180/180 transitions.
Performed 4 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 0 with 4 Pre rules applied. Total rules applied 0 place count 53 transition count 176
Deduced a syphon composed of 4 places in 0 ms
Reduce places removed 4 places and 0 transitions.
Iterating global reduction 0 with 8 rules applied. Total rules applied 8 place count 49 transition count 176
Performed 5 Post agglomeration using F-continuation condition.Transition count delta: 5
Deduced a syphon composed of 5 places in 0 ms
Reduce places removed 5 places and 0 transitions.
Iterating global reduction 0 with 10 rules applied. Total rules applied 18 place count 44 transition count 171
Performed 1 Post agglomeration using F-continuation condition.Transition count delta: 1
Deduced a syphon composed of 1 places in 0 ms
Reduce places removed 2 places and 0 transitions.
Iterating global reduction 0 with 3 rules applied. Total rules applied 21 place count 42 transition count 170
Performed 1 Post agglomeration using F-continuation condition.Transition count delta: 1
Deduced a syphon composed of 1 places in 0 ms
Reduce places removed 1 places and 0 transitions.
Iterating global reduction 0 with 2 rules applied. Total rules applied 23 place count 41 transition count 169
Applied a total of 23 rules in 17 ms. Remains 41 /53 variables (removed 12) and now considering 169/180 (removed 11) transitions.
[2023-03-18 23:53:08] [INFO ] Flow matrix only has 129 transitions (discarded 40 similar events)
// Phase 1: matrix 129 rows 41 cols
[2023-03-18 23:53:08] [INFO ] Computed 12 place invariants in 2 ms
[2023-03-18 23:53:09] [INFO ] Implicit Places using invariants in 67 ms returned []
[2023-03-18 23:53:09] [INFO ] Flow matrix only has 129 transitions (discarded 40 similar events)
[2023-03-18 23:53:09] [INFO ] Invariant cache hit.
[2023-03-18 23:53:09] [INFO ] State equation strengthened by 55 read => feed constraints.
[2023-03-18 23:53:09] [INFO ] Implicit Places using invariants and state equation in 142 ms returned []
Implicit Place search using SMT with State Equation took 212 ms to find 0 implicit places.
[2023-03-18 23:53:09] [INFO ] Redundant transitions in 5 ms returned []
[2023-03-18 23:53:09] [INFO ] Flow matrix only has 129 transitions (discarded 40 similar events)
[2023-03-18 23:53:09] [INFO ] Invariant cache hit.
[2023-03-18 23:53:09] [INFO ] Dead Transitions using invariants and state equation in 102 ms found 39 transitions.
Found 39 dead transitions using SMT.
Drop transitions removed 39 transitions
Dead transitions reduction (with SMT) removed 39 transitions
Starting structural reductions in SI_LTL mode, iteration 1 : 41/53 places, 130/180 transitions.
Reduce places removed 2 places and 4 transitions.
Reduce places removed 1 places and 8 transitions.
Iterating post reduction 0 with 1 rules applied. Total rules applied 1 place count 38 transition count 118
Applied a total of 1 rules in 6 ms. Remains 38 /41 variables (removed 3) and now considering 118/130 (removed 12) transitions.
[2023-03-18 23:53:09] [INFO ] Flow matrix only has 93 transitions (discarded 25 similar events)
// Phase 1: matrix 93 rows 38 cols
[2023-03-18 23:53:09] [INFO ] Computed 12 place invariants in 1 ms
[2023-03-18 23:53:09] [INFO ] Implicit Places using invariants in 47 ms returned []
[2023-03-18 23:53:09] [INFO ] Flow matrix only has 93 transitions (discarded 25 similar events)
[2023-03-18 23:53:09] [INFO ] Invariant cache hit.
[2023-03-18 23:53:09] [INFO ] State equation strengthened by 37 read => feed constraints.
[2023-03-18 23:53:09] [INFO ] Implicit Places using invariants and state equation in 95 ms returned []
Implicit Place search using SMT with State Equation took 145 ms to find 0 implicit places.
Starting structural reductions in SI_LTL mode, iteration 2 : 38/53 places, 118/180 transitions.
Finished structural reductions in SI_LTL mode , in 2 iterations and 507 ms. Remains : 38/53 places, 118/180 transitions.
Stuttering acceptance computed with spot in 90 ms :[(NOT p0), (NOT p0)]
Running random walk in product with property : SimpleLoadBal-PT-05-LTLCardinality-14 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:(OR (AND (EQ s1 0) (EQ s11 1)) (AND (EQ s29 0) (EQ s31 1)))], nbAcceptance=1, properties=[trans-labels, explicit-labels, trans-acc, no-univ-branch, stutter-invariant, very-weak, weak, inherently-weak], stateDesc=[null, null][true, true]]
Product exploration explored 100000 steps with 9865 reset in 144 ms.
Stack based approach found an accepted trace after 526 steps with 51 reset with depth 8 and stack size 8 in 2 ms.
FORMULA SimpleLoadBal-PT-05-LTLCardinality-14 FALSE TECHNIQUES STACK_TEST
Treatment of property SimpleLoadBal-PT-05-LTLCardinality-14 finished in 758 ms.
All properties solved by simple procedures.
Total runtime 10574 ms.

BK_STOP 1679183589863

--------------------
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_1.0.0.202303021504.jar
+ VERSION=202303021504
+ echo 'Running Version 202303021504'
+ /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="SimpleLoadBal-PT-05"
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 2-5348"
echo " Executing tool itstools"
echo " Input is SimpleLoadBal-PT-05, 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 r421-tajo-167905975300507"
echo "====================================================================="
echo
echo "--------------------"
echo "preparation of the directory to be used:"

tar xzf /home/mcc/BenchKit/INPUTS/SimpleLoadBal-PT-05.tgz
mv SimpleLoadBal-PT-05 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 ;