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.r423-tajo-167905976200020.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 lolaxred
Input is ShieldRVs-PT-002A, examination is LTLFireability
Time confinement is 3600 seconds
Memory confinement is 16384 MBytes
Number of cores is 4
Run identifier is r423-tajo-167905976200020
=====================================================================

--------------------
preparation of the directory to be used:
/home/mcc/execution
total 468K
-rw-r--r-- 1 mcc users 7.1K Feb 26 18:26 CTLCardinality.txt
-rw-r--r-- 1 mcc users 78K Feb 26 18:26 CTLCardinality.xml
-rw-r--r-- 1 mcc users 4.9K Feb 26 18:25 CTLFireability.txt
-rw-r--r-- 1 mcc users 44K Feb 26 18:25 CTLFireability.xml
-rw-r--r-- 1 mcc users 4.2K Jan 29 11:41 GenericPropertiesDefinition.xml
-rw-r--r-- 1 mcc users 6.5K Jan 29 11:41 GenericPropertiesVerdict.xml
-rw-r--r-- 1 mcc users 3.4K Feb 25 17:01 LTLCardinality.txt
-rw-r--r-- 1 mcc users 24K Feb 25 17:01 LTLCardinality.xml
-rw-r--r-- 1 mcc users 2.3K Feb 25 17:01 LTLFireability.txt
-rw-r--r-- 1 mcc users 20K Feb 25 17:01 LTLFireability.xml
-rw-r--r-- 1 mcc users 11K Feb 26 18:26 ReachabilityCardinality.txt
-rw-r--r-- 1 mcc users 122K Feb 26 18:26 ReachabilityCardinality.xml
-rw-r--r-- 1 mcc users 8.2K Feb 26 18:26 ReachabilityFireability.txt
-rw-r--r-- 1 mcc users 73K Feb 26 18:26 ReachabilityFireability.xml
-rw-r--r-- 1 mcc users 1.6K Feb 25 17:01 UpperBounds.txt
-rw-r--r-- 1 mcc users 3.6K Feb 25 17:01 UpperBounds.xml
-rw-r--r-- 1 mcc users 6 Mar 5 18:23 equiv_col
-rw-r--r-- 1 mcc users 5 Mar 5 18:23 instance
-rw-r--r-- 1 mcc users 6 Mar 5 18:23 iscolored
-rw-r--r-- 1 mcc users 13K 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 ShieldRVs-PT-002A-LTLFireability-00
FORMULA_NAME ShieldRVs-PT-002A-LTLFireability-01
FORMULA_NAME ShieldRVs-PT-002A-LTLFireability-02
FORMULA_NAME ShieldRVs-PT-002A-LTLFireability-03
FORMULA_NAME ShieldRVs-PT-002A-LTLFireability-04
FORMULA_NAME ShieldRVs-PT-002A-LTLFireability-05
FORMULA_NAME ShieldRVs-PT-002A-LTLFireability-06
FORMULA_NAME ShieldRVs-PT-002A-LTLFireability-07
FORMULA_NAME ShieldRVs-PT-002A-LTLFireability-08
FORMULA_NAME ShieldRVs-PT-002A-LTLFireability-09
FORMULA_NAME ShieldRVs-PT-002A-LTLFireability-10
FORMULA_NAME ShieldRVs-PT-002A-LTLFireability-11
FORMULA_NAME ShieldRVs-PT-002A-LTLFireability-12
FORMULA_NAME ShieldRVs-PT-002A-LTLFireability-13
FORMULA_NAME ShieldRVs-PT-002A-LTLFireability-14
FORMULA_NAME ShieldRVs-PT-002A-LTLFireability-15

=== Now, execution of the tool begins

BK_START 1679242064985

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=lolaxred
BK_EXAMINATION=LTLFireability
BK_BIN_PATH=/home/mcc/BenchKit/bin/
BK_TIME_CONFINEMENT=3600
BK_INPUT=ShieldRVs-PT-002A
Applying reductions before tool lola
Invoking reducer
Running Version 202303021504
[2023-03-19 16:07:47] [INFO ] Running its-tools with arguments : [-pnfolder, /home/mcc/execution, -examination, LTLFireability, -timeout, 360, -rebuildPNML]
[2023-03-19 16:07:47] [INFO ] Parsing pnml file : /home/mcc/execution/model.pnml
[2023-03-19 16:07:47] [INFO ] Load time of PNML (sax parser for PT used): 45 ms
[2023-03-19 16:07:47] [INFO ] Transformed 31 places.
[2023-03-19 16:07:47] [INFO ] Transformed 41 transitions.
[2023-03-19 16:07:47] [INFO ] Found NUPN structural information;
[2023-03-19 16:07:47] [INFO ] Parsed PT model containing 31 places and 41 transitions and 184 arcs in 115 ms.
Parsed 16 properties from file /home/mcc/execution/LTLFireability.xml in 9 ms.
Working with output stream class java.io.PrintStream
Initial state reduction rules removed 5 formulas.
FORMULA ShieldRVs-PT-002A-LTLFireability-03 FALSE TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA ShieldRVs-PT-002A-LTLFireability-04 TRUE TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA ShieldRVs-PT-002A-LTLFireability-05 TRUE TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA ShieldRVs-PT-002A-LTLFireability-06 TRUE TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA ShieldRVs-PT-002A-LTLFireability-09 FALSE TECHNIQUES TOPOLOGICAL INITIAL_STATE
Support contains 25 out of 31 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 31/31 places, 41/41 transitions.
Applied a total of 0 rules in 10 ms. Remains 31 /31 variables (removed 0) and now considering 41/41 (removed 0) transitions.
// Phase 1: matrix 41 rows 31 cols
[2023-03-19 16:07:47] [INFO ] Computed 9 place invariants in 4 ms
[2023-03-19 16:07:47] [INFO ] Implicit Places using invariants in 152 ms returned []
[2023-03-19 16:07:47] [INFO ] Invariant cache hit.
[2023-03-19 16:07:47] [INFO ] Implicit Places using invariants and state equation in 55 ms returned []
Implicit Place search using SMT with State Equation took 235 ms to find 0 implicit places.
[2023-03-19 16:07:47] [INFO ] Invariant cache hit.
[2023-03-19 16:07:47] [INFO ] Dead Transitions using invariants and state equation in 53 ms found 0 transitions.
Finished structural reductions in LTL mode , in 1 iterations and 301 ms. Remains : 31/31 places, 41/41 transitions.
Support contains 25 out of 31 places after structural reductions.
[2023-03-19 16:07:47] [INFO ] Flatten gal took : 26 ms
[2023-03-19 16:07:47] [INFO ] Flatten gal took : 8 ms
[2023-03-19 16:07:47] [INFO ] Input system was already deterministic with 41 transitions.
Support contains 23 out of 31 places (down from 25) after GAL structural reductions.
Finished random walk after 784 steps, including 19 resets, run visited all 25 properties in 69 ms. (steps per millisecond=11 )
Computed a total of 1 stabilizing places and 1 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' '!(F(G(p0)))'
Support contains 1 out of 31 places. Attempting structural reductions.
Starting structural reductions in SI_LTL mode, iteration 0 : 31/31 places, 41/41 transitions.
Reduce places removed 1 places and 1 transitions.
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 2 place count 29 transition count 39
Applied a total of 2 rules in 10 ms. Remains 29 /31 variables (removed 2) and now considering 39/41 (removed 2) transitions.
// Phase 1: matrix 39 rows 29 cols
[2023-03-19 16:07:48] [INFO ] Computed 9 place invariants in 4 ms
[2023-03-19 16:07:48] [INFO ] Implicit Places using invariants in 52 ms returned []
[2023-03-19 16:07:48] [INFO ] Invariant cache hit.
[2023-03-19 16:07:48] [INFO ] Implicit Places using invariants and state equation in 54 ms returned []
Implicit Place search using SMT with State Equation took 110 ms to find 0 implicit places.
[2023-03-19 16:07:48] [INFO ] Redundant transitions in 26 ms returned [11]
Found 1 redundant transitions using SMT.
Drop transitions removed 1 transitions
Redundant transitions reduction (with SMT) removed 1 transitions.
// Phase 1: matrix 38 rows 29 cols
[2023-03-19 16:07:48] [INFO ] Computed 9 place invariants in 1 ms
[2023-03-19 16:07:48] [INFO ] Dead Transitions using invariants and state equation in 37 ms found 0 transitions.
Starting structural reductions in SI_LTL mode, iteration 1 : 29/31 places, 38/41 transitions.
Applied a total of 0 rules in 4 ms. Remains 29 /29 variables (removed 0) and now considering 38/38 (removed 0) transitions.
Finished structural reductions in SI_LTL mode , in 2 iterations and 194 ms. Remains : 29/31 places, 38/41 transitions.
Stuttering acceptance computed with spot in 140 ms :[(NOT p0)]
Running random walk in product with property : ShieldRVs-PT-002A-LTLFireability-00 automaton TGBA Formula[mat=[[{ cond=p0, acceptance={} source=0 dest: 0}, { cond=(NOT p0), acceptance={0} source=0 dest: 0}]], initial=0, aps=[p0:(NEQ s3 1)], nbAcceptance=1, properties=[trans-labels, explicit-labels, trans-acc, complete, deterministic, no-univ-branch, unambiguous, semi-deterministic, stutter-invariant], stateDesc=[null][true]]
Product exploration explored 100000 steps with 2687 reset in 212 ms.
Stack based approach found an accepted trace after 1119 steps with 29 reset with depth 38 and stack size 38 in 3 ms.
FORMULA ShieldRVs-PT-002A-LTLFireability-00 FALSE TECHNIQUES STACK_TEST
Treatment of property ShieldRVs-PT-002A-LTLFireability-00 finished in 603 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)||X((F(p2)||p1))))'
Support contains 4 out of 31 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 31/31 places, 41/41 transitions.
Applied a total of 0 rules in 1 ms. Remains 31 /31 variables (removed 0) and now considering 41/41 (removed 0) transitions.
// Phase 1: matrix 41 rows 31 cols
[2023-03-19 16:07:48] [INFO ] Computed 9 place invariants in 0 ms
[2023-03-19 16:07:48] [INFO ] Implicit Places using invariants in 46 ms returned []
[2023-03-19 16:07:48] [INFO ] Invariant cache hit.
[2023-03-19 16:07:48] [INFO ] Implicit Places using invariants and state equation in 47 ms returned []
Implicit Place search using SMT with State Equation took 94 ms to find 0 implicit places.
[2023-03-19 16:07:48] [INFO ] Invariant cache hit.
[2023-03-19 16:07:49] [INFO ] Dead Transitions using invariants and state equation in 44 ms found 0 transitions.
Finished structural reductions in LTL mode , in 1 iterations and 140 ms. Remains : 31/31 places, 41/41 transitions.
Stuttering acceptance computed with spot in 189 ms :[(NOT p2), (AND (NOT p2) (NOT p1)), (AND (NOT p2) (NOT p1) (NOT p0)), (AND (NOT p2) (NOT p1) (NOT p0)), (AND (NOT p2) (NOT p0))]
Running random walk in product with property : ShieldRVs-PT-002A-LTLFireability-01 automaton TGBA Formula[mat=[[{ cond=(NOT p2), acceptance={0} source=0 dest: 0}], [{ cond=(AND (NOT p1) (NOT p2)), acceptance={} source=1 dest: 0}], [{ cond=(NOT p0), acceptance={} source=2 dest: 1}, { cond=p0, acceptance={} source=2 dest: 3}], [{ cond=(AND (NOT p0) (NOT p1) (NOT p2)), acceptance={} source=3 dest: 0}, { cond=(AND p0 (NOT p1) (NOT p2)), acceptance={} source=3 dest: 4}], [{ cond=(AND (NOT p0) (NOT p2)), acceptance={} source=4 dest: 0}, { cond=(AND p0 (NOT p2)), acceptance={} source=4 dest: 4}]], initial=2, aps=[p2:(EQ s14 1), p1:(OR (EQ s19 0) (EQ s21 0) (EQ s25 0)), p0:(AND (EQ s19 1) (EQ s21 1) (EQ s25 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, null][false, false, false, false, false]]
Product exploration explored 100000 steps with 50000 reset in 188 ms.
Product exploration explored 100000 steps with 50000 reset in 157 ms.
Computed a total of 1 stabilizing places and 1 stable transitions
Computed a total of 1 stabilizing places and 1 stable transitions
Knowledge obtained : [(AND (NOT p2) p1 (NOT p0)), (X (NOT (AND p0 (NOT p1) (NOT p2)))), (X (NOT (AND (NOT p1) (NOT p2)))), (X (NOT (AND (NOT p0) (NOT p1) (NOT p2)))), (X (X (AND (NOT p0) (NOT p2)))), (X (X (NOT (AND p0 (NOT p2))))), (X (X (NOT p2)))]
False Knowledge obtained : []
Property proved to be true thanks to knowledge :(X (NOT (AND (NOT p1) (NOT p2))))
Knowledge based reduction with 7 factoid took 183 ms. Reduced automaton from 5 states, 8 edges and 3 AP (stutter sensitive) to 1 states, 0 edges and 0 AP (stutter insensitive).
FORMULA ShieldRVs-PT-002A-LTLFireability-01 TRUE TECHNIQUES KNOWLEDGE
Treatment of property ShieldRVs-PT-002A-LTLFireability-01 finished in 887 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(G(p0)) U (X(G(p0))&&p1))))'
Support contains 6 out of 31 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 31/31 places, 41/41 transitions.
Applied a total of 0 rules in 1 ms. Remains 31 /31 variables (removed 0) and now considering 41/41 (removed 0) transitions.
[2023-03-19 16:07:49] [INFO ] Invariant cache hit.
[2023-03-19 16:07:49] [INFO ] Implicit Places using invariants in 34 ms returned []
[2023-03-19 16:07:49] [INFO ] Invariant cache hit.
[2023-03-19 16:07:49] [INFO ] Implicit Places using invariants and state equation in 40 ms returned []
Implicit Place search using SMT with State Equation took 83 ms to find 0 implicit places.
[2023-03-19 16:07:49] [INFO ] Invariant cache hit.
[2023-03-19 16:07:49] [INFO ] Dead Transitions using invariants and state equation in 43 ms found 0 transitions.
Finished structural reductions in LTL mode , in 1 iterations and 128 ms. Remains : 31/31 places, 41/41 transitions.
Stuttering acceptance computed with spot in 145 ms :[(OR (NOT p0) (NOT p1)), (OR (NOT p0) (NOT p1)), (NOT p0), true]
Running random walk in product with property : ShieldRVs-PT-002A-LTLFireability-02 automaton TGBA Formula[mat=[[{ cond=true, acceptance={} source=0 dest: 1}], [{ cond=(NOT p1), acceptance={0} source=1 dest: 1}, { cond=true, acceptance={0} source=1 dest: 2}], [{ cond=p0, acceptance={} source=2 dest: 2}, { cond=(NOT p0), acceptance={} source=2 dest: 3}], [{ cond=true, acceptance={0} source=3 dest: 3}]], initial=0, aps=[p1:(AND (EQ s10 1) (EQ s16 1) (EQ s23 1) (EQ s22 1) (EQ s27 1)), p0:(NEQ s17 1)], nbAcceptance=1, properties=[trans-labels, explicit-labels, trans-acc, complete, no-univ-branch, stutter-sensitive, very-weak, weak, inherently-weak], stateDesc=[null, null, null, null][false, false, false, false]]
Entered a terminal (fully accepting) state of product in 11 steps with 0 reset in 1 ms.
FORMULA ShieldRVs-PT-002A-LTLFireability-02 FALSE TECHNIQUES STUTTER_TEST
Treatment of property ShieldRVs-PT-002A-LTLFireability-02 finished in 293 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((p1&&G(p2)))&&p0))))'
Support contains 6 out of 31 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 31/31 places, 41/41 transitions.
Applied a total of 0 rules in 3 ms. Remains 31 /31 variables (removed 0) and now considering 41/41 (removed 0) transitions.
[2023-03-19 16:07:50] [INFO ] Invariant cache hit.
[2023-03-19 16:07:50] [INFO ] Implicit Places using invariants in 102 ms returned []
[2023-03-19 16:07:50] [INFO ] Invariant cache hit.
[2023-03-19 16:07:50] [INFO ] Implicit Places using invariants and state equation in 77 ms returned []
Implicit Place search using SMT with State Equation took 181 ms to find 0 implicit places.
[2023-03-19 16:07:50] [INFO ] Invariant cache hit.
[2023-03-19 16:07:50] [INFO ] Dead Transitions using invariants and state equation in 97 ms found 0 transitions.
Finished structural reductions in LTL mode , in 1 iterations and 286 ms. Remains : 31/31 places, 41/41 transitions.
Stuttering acceptance computed with spot in 256 ms :[true, (OR (NOT p0) (NOT p2) (NOT p1)), (NOT p2), (OR (NOT p1) (NOT p2)), (OR (NOT p0) (NOT p2) (NOT p1)), (OR (NOT p0) (NOT p2) (NOT p1))]
Running random walk in product with property : ShieldRVs-PT-002A-LTLFireability-07 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: 3}], [{ cond=(NOT p2), acceptance={} source=2 dest: 0}, { cond=p2, acceptance={} source=2 dest: 2}], [{ cond=(OR (NOT p1) (NOT p2)), acceptance={} source=3 dest: 0}, { cond=(AND p1 p2), acceptance={} source=3 dest: 2}], [{ cond=true, acceptance={} source=4 dest: 5}], [{ cond=true, acceptance={} source=5 dest: 1}]], initial=4, aps=[p0:(AND (OR (EQ s10 0) (EQ s16 0) (EQ s23 0)) (OR (EQ s2 0) (EQ s4 0) (EQ s15 0))), p2:(AND (EQ s10 1) (EQ s16 1) (EQ s23 1)), p1:(OR (EQ s2 0) (EQ s4 0) ...], 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, null][false, false, false, false, false, false]]
Entered a terminal (fully accepting) state of product in 3 steps with 0 reset in 0 ms.
FORMULA ShieldRVs-PT-002A-LTLFireability-07 FALSE TECHNIQUES STUTTER_TEST
Treatment of property ShieldRVs-PT-002A-LTLFireability-07 finished in 558 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)&&!p1) U (p0 U p2)))'
Support contains 4 out of 31 places. Attempting structural reductions.
Starting structural reductions in SI_LTL mode, iteration 0 : 31/31 places, 41/41 transitions.
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 2 place count 30 transition count 40
Applied a total of 2 rules in 11 ms. Remains 30 /31 variables (removed 1) and now considering 40/41 (removed 1) transitions.
// Phase 1: matrix 40 rows 30 cols
[2023-03-19 16:07:50] [INFO ] Computed 9 place invariants in 2 ms
[2023-03-19 16:07:50] [INFO ] Implicit Places using invariants in 58 ms returned []
[2023-03-19 16:07:50] [INFO ] Invariant cache hit.
[2023-03-19 16:07:50] [INFO ] Implicit Places using invariants and state equation in 75 ms returned []
Implicit Place search using SMT with State Equation took 135 ms to find 0 implicit places.
[2023-03-19 16:07:50] [INFO ] Redundant transitions in 21 ms returned [12]
Found 1 redundant transitions using SMT.
Drop transitions removed 1 transitions
Redundant transitions reduction (with SMT) removed 1 transitions.
// Phase 1: matrix 39 rows 30 cols
[2023-03-19 16:07:50] [INFO ] Computed 9 place invariants in 5 ms
[2023-03-19 16:07:50] [INFO ] Dead Transitions using invariants and state equation in 44 ms found 0 transitions.
Starting structural reductions in SI_LTL mode, iteration 1 : 30/31 places, 39/41 transitions.
Applied a total of 0 rules in 2 ms. Remains 30 /30 variables (removed 0) and now considering 39/39 (removed 0) transitions.
Finished structural reductions in SI_LTL mode , in 2 iterations and 234 ms. Remains : 30/31 places, 39/41 transitions.
Stuttering acceptance computed with spot in 132 ms :[true, p2, p2]
Running random walk in product with property : ShieldRVs-PT-002A-LTLFireability-08 automaton TGBA Formula[mat=[[{ cond=true, acceptance={0} source=0 dest: 0}], [{ cond=p2, acceptance={} source=1 dest: 0}, { cond=(AND p0 (NOT p2)), acceptance={} source=1 dest: 1}], [{ cond=p2, acceptance={} source=2 dest: 0}, { cond=(AND p1 p0 (NOT p2)), acceptance={} source=2 dest: 1}, { cond=(AND (NOT p1) (NOT p2)), acceptance={} source=2 dest: 2}]], initial=2, aps=[p2:(EQ s11 1), p0:(AND (EQ s6 1) (EQ s7 1) (EQ s11 1)), p1:(AND (EQ s17 1) (EQ s6 1) (EQ s7 1) (EQ s11 1))], nbAcceptance=1, properties=[trans-labels, explicit-labels, trans-acc, deterministic, no-univ-branch, unambiguous, semi-deterministic, stutter-invariant, terminal, very-weak, weak, inherently-weak], stateDesc=[null, null, null][true, true, true]]
Entered a terminal (fully accepting) state of product in 6 steps with 0 reset in 0 ms.
FORMULA ShieldRVs-PT-002A-LTLFireability-08 FALSE TECHNIQUES STUTTER_TEST
Treatment of property ShieldRVs-PT-002A-LTLFireability-08 finished in 389 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(F((p0||G(F(p1))))))'
Support contains 4 out of 31 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 31/31 places, 41/41 transitions.
Applied a total of 0 rules in 2 ms. Remains 31 /31 variables (removed 0) and now considering 41/41 (removed 0) transitions.
// Phase 1: matrix 41 rows 31 cols
[2023-03-19 16:07:50] [INFO ] Computed 9 place invariants in 1 ms
[2023-03-19 16:07:51] [INFO ] Implicit Places using invariants in 65 ms returned []
[2023-03-19 16:07:51] [INFO ] Invariant cache hit.
[2023-03-19 16:07:51] [INFO ] Implicit Places using invariants and state equation in 50 ms returned []
Implicit Place search using SMT with State Equation took 131 ms to find 0 implicit places.
[2023-03-19 16:07:51] [INFO ] Invariant cache hit.
[2023-03-19 16:07:51] [INFO ] Dead Transitions using invariants and state equation in 48 ms found 0 transitions.
Finished structural reductions in LTL mode , in 1 iterations and 194 ms. Remains : 31/31 places, 41/41 transitions.
Stuttering acceptance computed with spot in 122 ms :[(AND (NOT p0) (NOT p1)), (AND (NOT p0) (NOT p1)), (AND (NOT p0) (NOT p1))]
Running random walk in product with property : ShieldRVs-PT-002A-LTLFireability-10 automaton TGBA Formula[mat=[[{ cond=true, acceptance={} source=0 dest: 1}], [{ cond=(NOT p0), acceptance={} source=1 dest: 1}, { cond=(AND (NOT p0) (NOT p1)), acceptance={} source=1 dest: 2}], [{ cond=(AND (NOT p0) (NOT p1)), acceptance={0} source=2 dest: 2}]], initial=0, aps=[p0:(EQ s17 0), p1:(AND (EQ s2 1) (EQ s4 1) (EQ s15 1))], nbAcceptance=1, properties=[trans-labels, explicit-labels, trans-acc, no-univ-branch, stutter-sensitive], stateDesc=[null, null, null][false, false, false]]
Product exploration explored 100000 steps with 50000 reset in 171 ms.
Product exploration explored 100000 steps with 50000 reset in 116 ms.
Computed a total of 1 stabilizing places and 1 stable transitions
Computed a total of 1 stabilizing places and 1 stable transitions
Knowledge obtained : [(AND p0 (NOT p1)), (X p0), (X (NOT (AND (NOT p0) (NOT p1)))), (X (X p0)), (X (X (NOT (AND (NOT p0) (NOT p1)))))]
False Knowledge obtained : []
Property proved to be true thanks to knowledge :(X p0)
Knowledge based reduction with 5 factoid took 113 ms. Reduced automaton from 3 states, 4 edges and 2 AP (stutter sensitive) to 1 states, 0 edges and 0 AP (stutter insensitive).
FORMULA ShieldRVs-PT-002A-LTLFireability-10 TRUE TECHNIQUES KNOWLEDGE
Treatment of property ShieldRVs-PT-002A-LTLFireability-10 finished in 744 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((p0||(p1 U (p2||G(p1)))||(G(F(p4))&&p3))))'
Support contains 9 out of 31 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 31/31 places, 41/41 transitions.
Applied a total of 0 rules in 1 ms. Remains 31 /31 variables (removed 0) and now considering 41/41 (removed 0) transitions.
[2023-03-19 16:07:51] [INFO ] Invariant cache hit.
[2023-03-19 16:07:51] [INFO ] Implicit Places using invariants in 35 ms returned []
[2023-03-19 16:07:51] [INFO ] Invariant cache hit.
[2023-03-19 16:07:51] [INFO ] Implicit Places using invariants and state equation in 99 ms returned []
Implicit Place search using SMT with State Equation took 137 ms to find 0 implicit places.
[2023-03-19 16:07:51] [INFO ] Invariant cache hit.
[2023-03-19 16:07:51] [INFO ] Dead Transitions using invariants and state equation in 61 ms found 0 transitions.
Finished structural reductions in LTL mode , in 1 iterations and 203 ms. Remains : 31/31 places, 41/41 transitions.
Stuttering acceptance computed with spot in 315 ms :[(OR (AND (NOT p0) (NOT p1) (NOT p2) (NOT p3)) (AND (NOT p0) (NOT p1) (NOT p2) (NOT p4))), (OR (AND (NOT p0) (NOT p1) (NOT p2) (NOT p3)) (AND (NOT p0) (NOT p1) (NOT p2) (NOT p4))), true, (NOT p4), (NOT p4), (AND (NOT p2) (NOT p1)), (AND (NOT p4) (NOT p2) (NOT p1))]
Running random walk in product with property : ShieldRVs-PT-002A-LTLFireability-11 automaton TGBA Formula[mat=[[{ cond=true, acceptance={} source=0 dest: 1}], [{ cond=(AND (NOT p0) (NOT p3) (NOT p2) (NOT p1)), acceptance={} source=1 dest: 2}, { cond=(AND (NOT p0) p3 (NOT p4) (NOT p2) (NOT p1)), acceptance={} source=1 dest: 3}, { cond=(AND (NOT p0) p3 (NOT p2) (NOT p1)), acceptance={} source=1 dest: 4}, { cond=(AND (NOT p0) (NOT p3) (NOT p2) p1), acceptance={} source=1 dest: 5}, { cond=(AND (NOT p0) p3 (NOT p2) p1), acceptance={} source=1 dest: 6}], [{ cond=true, acceptance={0} source=2 dest: 2}], [{ cond=(NOT p4), acceptance={0} source=3 dest: 3}], [{ cond=(NOT p4), acceptance={} source=4 dest: 3}, { cond=true, acceptance={} source=4 dest: 4}], [{ cond=(AND (NOT p2) (NOT p1)), acceptance={} source=5 dest: 2}, { cond=(AND (NOT p2) p1), acceptance={} source=5 dest: 5}], [{ cond=(AND (NOT p4) (NOT p2) (NOT p1)), acceptance={} source=6 dest: 3}, { cond=(AND (NOT p2) (NOT p1)), acceptance={} source=6 dest: 4}, { cond=(AND (NOT p2) p1), acceptance={} source=6 dest: 6}]], initial=0, aps=[p0:(AND (EQ s1 1) (EQ s9 1)), p3:(AND (EQ s5 1) (EQ s7 1) (EQ s11 1)), p2:(AND (NOT (AND (EQ s2 1) (EQ s6 1) (EQ s15 1))) (NEQ s29 1)), p1:(NEQ s29 1), p4...], nbAcceptance=1, properties=[trans-labels, explicit-labels, trans-acc, no-univ-branch, stutter-sensitive, very-weak, weak, inherently-weak], stateDesc=[null, null, null, null, null, null, null][false, false, false, false, false, false, false]]
Product exploration explored 100000 steps with 50000 reset in 148 ms.
Product exploration explored 100000 steps with 50000 reset in 165 ms.
Computed a total of 1 stabilizing places and 1 stable transitions
Computed a total of 1 stabilizing places and 1 stable transitions
Knowledge obtained : [(AND (NOT p0) (NOT p3) p2 p1 p4), (X (NOT (AND (NOT p0) p3 (NOT p2) (NOT p1)))), (X (NOT (AND (NOT p0) (NOT p3) (NOT p2) p1))), (X (NOT (AND (NOT p0) p3 (NOT p2) p1))), (X (NOT (AND (NOT p0) (NOT p3) (NOT p2) (NOT p1)))), (X (NOT (AND (NOT p0) p3 (NOT p4) (NOT p2) (NOT p1)))), true, (X (X (AND (NOT p2) (NOT p1)))), (X (X (NOT (AND (NOT p2) p1)))), (X (X p4)), (X (X (NOT (AND (NOT p4) (NOT p2) (NOT p1)))))]
False Knowledge obtained : []
Property proved to be true thanks to knowledge :(X (NOT (AND (NOT p0) (NOT p3) (NOT p2) (NOT p1))))
Knowledge based reduction with 11 factoid took 271 ms. Reduced automaton from 7 states, 15 edges and 5 AP (stutter sensitive) to 1 states, 0 edges and 0 AP (stutter insensitive).
FORMULA ShieldRVs-PT-002A-LTLFireability-11 TRUE TECHNIQUES KNOWLEDGE
Treatment of property ShieldRVs-PT-002A-LTLFireability-11 finished in 1143 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' '!((F(!p0) U p1))'
Support contains 4 out of 31 places. Attempting structural reductions.
Starting structural reductions in SI_LTL mode, iteration 0 : 31/31 places, 41/41 transitions.
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 2 place count 30 transition count 40
Applied a total of 2 rules in 4 ms. Remains 30 /31 variables (removed 1) and now considering 40/41 (removed 1) transitions.
// Phase 1: matrix 40 rows 30 cols
[2023-03-19 16:07:52] [INFO ] Computed 9 place invariants in 1 ms
[2023-03-19 16:07:52] [INFO ] Implicit Places using invariants in 52 ms returned []
[2023-03-19 16:07:52] [INFO ] Invariant cache hit.
[2023-03-19 16:07:52] [INFO ] Implicit Places using invariants and state equation in 63 ms returned []
Implicit Place search using SMT with State Equation took 128 ms to find 0 implicit places.
[2023-03-19 16:07:53] [INFO ] Redundant transitions in 23 ms returned [12]
Found 1 redundant transitions using SMT.
Drop transitions removed 1 transitions
Redundant transitions reduction (with SMT) removed 1 transitions.
// Phase 1: matrix 39 rows 30 cols
[2023-03-19 16:07:53] [INFO ] Computed 9 place invariants in 1 ms
[2023-03-19 16:07:53] [INFO ] Dead Transitions using invariants and state equation in 52 ms found 0 transitions.
Starting structural reductions in SI_LTL mode, iteration 1 : 30/31 places, 39/41 transitions.
Applied a total of 0 rules in 2 ms. Remains 30 /30 variables (removed 0) and now considering 39/39 (removed 0) transitions.
Finished structural reductions in SI_LTL mode , in 2 iterations and 227 ms. Remains : 30/31 places, 39/41 transitions.
Stuttering acceptance computed with spot in 90 ms :[(NOT p1), p0]
Running random walk in product with property : ShieldRVs-PT-002A-LTLFireability-12 automaton TGBA Formula[mat=[[{ cond=(NOT p1), acceptance={} source=0 dest: 0}, { cond=(AND (NOT p1) p0), acceptance={} source=0 dest: 1}], [{ cond=p0, acceptance={} source=1 dest: 1}]], initial=0, aps=[p1:(OR (EQ s5 1) (AND (EQ s12 1) (EQ s14 1) (EQ s22 1))), p0:(AND (EQ s12 1) (EQ s14 1) (EQ s22 1))], nbAcceptance=0, 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 300 steps with 14 reset in 1 ms.
FORMULA ShieldRVs-PT-002A-LTLFireability-12 FALSE TECHNIQUES STUTTER_TEST
Treatment of property ShieldRVs-PT-002A-LTLFireability-12 finished in 332 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||X(p1)) U (F(p2) U p3)))'
Support contains 10 out of 31 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 31/31 places, 41/41 transitions.
Applied a total of 0 rules in 0 ms. Remains 31 /31 variables (removed 0) and now considering 41/41 (removed 0) transitions.
// Phase 1: matrix 41 rows 31 cols
[2023-03-19 16:07:53] [INFO ] Computed 9 place invariants in 1 ms
[2023-03-19 16:07:53] [INFO ] Implicit Places using invariants in 59 ms returned []
[2023-03-19 16:07:53] [INFO ] Invariant cache hit.
[2023-03-19 16:07:53] [INFO ] Implicit Places using invariants and state equation in 55 ms returned []
Implicit Place search using SMT with State Equation took 116 ms to find 0 implicit places.
[2023-03-19 16:07:53] [INFO ] Invariant cache hit.
[2023-03-19 16:07:53] [INFO ] Dead Transitions using invariants and state equation in 44 ms found 0 transitions.
Finished structural reductions in LTL mode , in 1 iterations and 163 ms. Remains : 31/31 places, 41/41 transitions.
Stuttering acceptance computed with spot in 223 ms :[(NOT p3), (AND p3 (NOT p2) (NOT p1)), (AND (NOT p1) (NOT p3)), (NOT p2), (NOT p3)]
Running random walk in product with property : ShieldRVs-PT-002A-LTLFireability-13 automaton TGBA Formula[mat=[[{ cond=(NOT p3), acceptance={} source=0 dest: 0}, { cond=(AND (NOT p3) (NOT p2) (NOT p0)), acceptance={} source=0 dest: 1}, { cond=(AND (NOT p3) (NOT p0)), acceptance={} source=0 dest: 2}], [{ cond=(AND p3 (NOT p2) (NOT p1)), acceptance={} source=1 dest: 3}], [{ cond=(AND (NOT p3) (NOT p2) (NOT p1)), acceptance={} source=2 dest: 3}, { cond=(AND (NOT p3) (NOT p1)), acceptance={} source=2 dest: 4}], [{ cond=(NOT p2), acceptance={} source=3 dest: 3}], [{ cond=(AND (NOT p3) (NOT p2)), acceptance={} source=4 dest: 3}, { cond=(NOT p3), acceptance={} source=4 dest: 4}]], initial=0, aps=[p3:(EQ s28 1), p2:(AND (EQ s6 1) (EQ s7 1) (EQ s12 1) (EQ s14 1) (EQ s23 1)), p0:(AND (EQ s19 1) (EQ s21 1) (EQ s25 1)), p1:(EQ s5 1)], nbAcceptance=0, properties=[trans-labels, explicit-labels, trans-acc, no-univ-branch, stutter-sensitive, very-weak, weak, inherently-weak], stateDesc=[null, null, null, null, null][false, false, false, false, false]]
Stuttering criterion allowed to conclude after 31 steps with 0 reset in 0 ms.
FORMULA ShieldRVs-PT-002A-LTLFireability-13 FALSE TECHNIQUES STUTTER_TEST
Treatment of property ShieldRVs-PT-002A-LTLFireability-13 finished in 422 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 1 out of 31 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 31/31 places, 41/41 transitions.
Applied a total of 0 rules in 1 ms. Remains 31 /31 variables (removed 0) and now considering 41/41 (removed 0) transitions.
[2023-03-19 16:07:53] [INFO ] Invariant cache hit.
[2023-03-19 16:07:53] [INFO ] Implicit Places using invariants in 35 ms returned []
[2023-03-19 16:07:53] [INFO ] Invariant cache hit.
[2023-03-19 16:07:53] [INFO ] Implicit Places using invariants and state equation in 52 ms returned []
Implicit Place search using SMT with State Equation took 90 ms to find 0 implicit places.
[2023-03-19 16:07:53] [INFO ] Invariant cache hit.
[2023-03-19 16:07:53] [INFO ] Dead Transitions using invariants and state equation in 38 ms found 0 transitions.
Finished structural reductions in LTL mode , in 1 iterations and 142 ms. Remains : 31/31 places, 41/41 transitions.
Stuttering acceptance computed with spot in 129 ms :[(NOT p0), (NOT p0), (NOT p0), (NOT p0)]
Running random walk in product with property : ShieldRVs-PT-002A-LTLFireability-14 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:(EQ s11 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 15786 reset in 90 ms.
Product exploration explored 100000 steps with 15749 reset in 115 ms.
Computed a total of 1 stabilizing places and 1 stable transitions
Computed a total of 1 stabilizing places and 1 stable transitions
Knowledge obtained : [(NOT p0), true]
False Knowledge obtained : []
Knowledge based reduction with 2 factoid took 164 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 156 ms :[(NOT p0), (NOT p0), (NOT p0), (NOT p0)]
Finished random walk after 6 steps, including 0 resets, run visited all 1 properties in 2 ms. (steps per millisecond=3 )
Knowledge obtained : [(NOT p0), true]
False Knowledge obtained : [(F p0)]
Knowledge based reduction with 2 factoid took 125 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 200 ms :[(NOT p0), (NOT p0), (NOT p0), (NOT p0)]
Stuttering acceptance computed with spot in 197 ms :[(NOT p0), (NOT p0), (NOT p0), (NOT p0)]
[2023-03-19 16:07:54] [INFO ] Invariant cache hit.
[2023-03-19 16:07:55] [INFO ] [Real]Absence check using 9 positive place invariants in 2 ms returned sat
[2023-03-19 16:07:55] [INFO ] [Real]Adding state equation constraints to refine reachable states.
[2023-03-19 16:07:55] [INFO ] [Real]Absence check using state equation in 14 ms returned sat
[2023-03-19 16:07:55] [INFO ] Solution in real domain found non-integer solution.
[2023-03-19 16:07:55] [INFO ] [Nat]Absence check using 9 positive place invariants in 2 ms returned sat
[2023-03-19 16:07:55] [INFO ] [Nat]Adding state equation constraints to refine reachable states.
[2023-03-19 16:07:55] [INFO ] [Nat]Absence check using state equation in 12 ms returned sat
[2023-03-19 16:07:55] [INFO ] Deduced a trap composed of 8 places in 25 ms of which 2 ms to minimize.
[2023-03-19 16:07:55] [INFO ] Trap strengthening (SAT) tested/added 2/1 trap constraints in 37 ms
[2023-03-19 16:07:55] [INFO ] Computed and/alt/rep : 29/130/29 causal constraints (skipped 11 transitions) in 4 ms.
[2023-03-19 16:07:55] [INFO ] Added : 16 causal constraints over 4 iterations in 30 ms. Result :sat
Could not prove EG (NOT p0)
Support contains 1 out of 31 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 31/31 places, 41/41 transitions.
Applied a total of 0 rules in 0 ms. Remains 31 /31 variables (removed 0) and now considering 41/41 (removed 0) transitions.
[2023-03-19 16:07:55] [INFO ] Invariant cache hit.
[2023-03-19 16:07:55] [INFO ] Implicit Places using invariants in 37 ms returned []
[2023-03-19 16:07:55] [INFO ] Invariant cache hit.
[2023-03-19 16:07:55] [INFO ] Implicit Places using invariants and state equation in 49 ms returned []
Implicit Place search using SMT with State Equation took 91 ms to find 0 implicit places.
[2023-03-19 16:07:55] [INFO ] Invariant cache hit.
[2023-03-19 16:07:55] [INFO ] Dead Transitions using invariants and state equation in 37 ms found 0 transitions.
Finished structural reductions in LTL mode , in 1 iterations and 131 ms. Remains : 31/31 places, 41/41 transitions.
Computed a total of 1 stabilizing places and 1 stable transitions
Computed a total of 1 stabilizing places and 1 stable transitions
Knowledge obtained : [(NOT p0), true]
False Knowledge obtained : []
Knowledge based reduction with 2 factoid took 56 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 131 ms :[(NOT p0), (NOT p0), (NOT p0), (NOT p0)]
Finished random walk after 6 steps, including 0 resets, run visited all 1 properties in 2 ms. (steps per millisecond=3 )
Knowledge obtained : [(NOT p0), true]
False Knowledge obtained : [(F p0)]
Knowledge based reduction with 2 factoid took 104 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 141 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)]
[2023-03-19 16:07:55] [INFO ] Invariant cache hit.
[2023-03-19 16:07:55] [INFO ] [Real]Absence check using 9 positive place invariants in 1 ms returned sat
[2023-03-19 16:07:55] [INFO ] [Real]Adding state equation constraints to refine reachable states.
[2023-03-19 16:07:56] [INFO ] [Real]Absence check using state equation in 20 ms returned sat
[2023-03-19 16:07:56] [INFO ] Solution in real domain found non-integer solution.
[2023-03-19 16:07:56] [INFO ] [Nat]Absence check using 9 positive place invariants in 2 ms returned sat
[2023-03-19 16:07:56] [INFO ] [Nat]Adding state equation constraints to refine reachable states.
[2023-03-19 16:07:56] [INFO ] [Nat]Absence check using state equation in 12 ms returned sat
[2023-03-19 16:07:56] [INFO ] Deduced a trap composed of 8 places in 25 ms of which 1 ms to minimize.
[2023-03-19 16:07:56] [INFO ] Trap strengthening (SAT) tested/added 2/1 trap constraints in 29 ms
[2023-03-19 16:07:56] [INFO ] Computed and/alt/rep : 29/130/29 causal constraints (skipped 11 transitions) in 5 ms.
[2023-03-19 16:07:56] [INFO ] Added : 16 causal constraints over 4 iterations in 28 ms. Result :sat
Could not prove EG (NOT p0)
Stuttering acceptance computed with spot in 150 ms :[(NOT p0), (NOT p0), (NOT p0), (NOT p0)]
Product exploration explored 100000 steps with 15753 reset in 84 ms.
Product exploration explored 100000 steps with 15741 reset in 86 ms.
Applying partial POR strategy [true, false, false, false]
Stuttering acceptance computed with spot in 150 ms :[(NOT p0), (NOT p0), (NOT p0), (NOT p0)]
Support contains 1 out of 31 places. Attempting structural reductions.
Starting structural reductions in SI_LTL mode, iteration 0 : 31/31 places, 41/41 transitions.
Performed 1 Post agglomeration using F-continuation condition.Transition count delta: 0
Deduced a syphon composed of 1 places in 0 ms
Iterating global reduction 0 with 1 rules applied. Total rules applied 1 place count 31 transition count 41
Deduced a syphon composed of 1 places in 0 ms
Applied a total of 1 rules in 10 ms. Remains 31 /31 variables (removed 0) and now considering 41/41 (removed 0) transitions.
[2023-03-19 16:07:56] [INFO ] Redundant transitions in 27 ms returned [13]
Found 1 redundant transitions using SMT.
Drop transitions removed 1 transitions
Redundant transitions reduction (with SMT) removed 1 transitions.
// Phase 1: matrix 40 rows 31 cols
[2023-03-19 16:07:56] [INFO ] Computed 9 place invariants in 1 ms
[2023-03-19 16:07:56] [INFO ] Dead Transitions using invariants and state equation in 42 ms found 0 transitions.
Starting structural reductions in SI_LTL mode, iteration 1 : 31/31 places, 40/41 transitions.
Deduced a syphon composed of 1 places in 0 ms
Applied a total of 0 rules in 3 ms. Remains 31 /31 variables (removed 0) and now considering 40/40 (removed 0) transitions.
Finished structural reductions in SI_LTL mode , in 2 iterations and 90 ms. Remains : 31/31 places, 40/41 transitions.
Support contains 1 out of 31 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 31/31 places, 41/41 transitions.
Applied a total of 0 rules in 1 ms. Remains 31 /31 variables (removed 0) and now considering 41/41 (removed 0) transitions.
// Phase 1: matrix 41 rows 31 cols
[2023-03-19 16:07:56] [INFO ] Computed 9 place invariants in 1 ms
[2023-03-19 16:07:56] [INFO ] Implicit Places using invariants in 31 ms returned []
[2023-03-19 16:07:56] [INFO ] Invariant cache hit.
[2023-03-19 16:07:57] [INFO ] Implicit Places using invariants and state equation in 45 ms returned []
Implicit Place search using SMT with State Equation took 78 ms to find 0 implicit places.
[2023-03-19 16:07:57] [INFO ] Invariant cache hit.
[2023-03-19 16:07:57] [INFO ] Dead Transitions using invariants and state equation in 39 ms found 0 transitions.
Finished structural reductions in LTL mode , in 1 iterations and 119 ms. Remains : 31/31 places, 41/41 transitions.
Treatment of property ShieldRVs-PT-002A-LTLFireability-14 finished in 3485 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' '!(F(G((p0&&(p1||F(p2))))))'
Support contains 4 out of 31 places. Attempting structural reductions.
Starting structural reductions in SI_LTL mode, iteration 0 : 31/31 places, 41/41 transitions.
Reduce places removed 1 places and 1 transitions.
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 2 place count 29 transition count 39
Applied a total of 2 rules in 6 ms. Remains 29 /31 variables (removed 2) and now considering 39/41 (removed 2) transitions.
// Phase 1: matrix 39 rows 29 cols
[2023-03-19 16:07:57] [INFO ] Computed 9 place invariants in 1 ms
[2023-03-19 16:07:57] [INFO ] Implicit Places using invariants in 37 ms returned []
[2023-03-19 16:07:57] [INFO ] Invariant cache hit.
[2023-03-19 16:07:57] [INFO ] Implicit Places using invariants and state equation in 44 ms returned []
Implicit Place search using SMT with State Equation took 85 ms to find 0 implicit places.
[2023-03-19 16:07:57] [INFO ] Redundant transitions in 20 ms returned [11]
Found 1 redundant transitions using SMT.
Drop transitions removed 1 transitions
Redundant transitions reduction (with SMT) removed 1 transitions.
// Phase 1: matrix 38 rows 29 cols
[2023-03-19 16:07:57] [INFO ] Computed 9 place invariants in 0 ms
[2023-03-19 16:07:57] [INFO ] Dead Transitions using invariants and state equation in 42 ms found 0 transitions.
Starting structural reductions in SI_LTL mode, iteration 1 : 29/31 places, 38/41 transitions.
Applied a total of 0 rules in 2 ms. Remains 29 /29 variables (removed 0) and now considering 38/38 (removed 0) transitions.
Finished structural reductions in SI_LTL mode , in 2 iterations and 161 ms. Remains : 29/31 places, 38/41 transitions.
Stuttering acceptance computed with spot in 83 ms :[(OR (NOT p0) (AND (NOT p1) (NOT p2))), (OR (AND (NOT p0) (NOT p2)) (AND (NOT p1) (NOT p2)))]
Running random walk in product with property : ShieldRVs-PT-002A-LTLFireability-15 automaton TGBA Formula[mat=[[{ cond=p0, acceptance={} source=0 dest: 0}, { cond=(NOT p0), acceptance={0} source=0 dest: 0}, { cond=(AND (NOT p1) p0 (NOT p2)), acceptance={} source=0 dest: 1}], [{ cond=(AND p1 p0 (NOT p2)), acceptance={} source=1 dest: 1}, { cond=(OR (AND (NOT p1) (NOT p2)) (AND (NOT p0) (NOT p2))), acceptance={0} source=1 dest: 1}]], initial=0, aps=[p0:(EQ s4 0), p1:(EQ s4 1), p2:(AND (EQ s17 1) (EQ s19 1) (EQ s23 1))], 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 83 steps with 1 reset in 1 ms.
FORMULA ShieldRVs-PT-002A-LTLFireability-15 FALSE TECHNIQUES STUTTER_TEST
Treatment of property ShieldRVs-PT-002A-LTLFireability-15 finished in 260 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)))))'
Found a Shortening insensitive property : ShieldRVs-PT-002A-LTLFireability-14
Stuttering acceptance computed with spot in 187 ms :[(NOT p0), (NOT p0), (NOT p0), (NOT p0)]
Support contains 1 out of 31 places. Attempting structural reductions.
Starting structural reductions in LI_LTL mode, iteration 0 : 31/31 places, 41/41 transitions.
Reduce places removed 1 places and 1 transitions.
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 2 place count 29 transition count 39
Applied a total of 2 rules in 3 ms. Remains 29 /31 variables (removed 2) and now considering 39/41 (removed 2) transitions.
// Phase 1: matrix 39 rows 29 cols
[2023-03-19 16:07:57] [INFO ] Computed 9 place invariants in 3 ms
[2023-03-19 16:07:57] [INFO ] Implicit Places using invariants in 43 ms returned []
[2023-03-19 16:07:57] [INFO ] Invariant cache hit.
[2023-03-19 16:07:57] [INFO ] Implicit Places using invariants and state equation in 49 ms returned []
Implicit Place search using SMT with State Equation took 93 ms to find 0 implicit places.
[2023-03-19 16:07:57] [INFO ] Invariant cache hit.
[2023-03-19 16:07:57] [INFO ] Dead Transitions using invariants and state equation in 42 ms found 0 transitions.
Starting structural reductions in LI_LTL mode, iteration 1 : 29/31 places, 39/41 transitions.
Finished structural reductions in LI_LTL mode , in 1 iterations and 140 ms. Remains : 29/31 places, 39/41 transitions.
Running random walk in product with property : ShieldRVs-PT-002A-LTLFireability-14 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:(EQ s10 1)], nbAcceptance=1, properties=[trans-labels, explicit-labels, trans-acc, deterministic, no-univ-branch, unambiguous, semi-deterministic, stutter-sensitive, very-weak, weak, inherently-weak, cl-invariant], stateDesc=[null, null, null, null][false, false, false, false]]
Product exploration explored 100000 steps with 18837 reset in 99 ms.
Product exploration explored 100000 steps with 18838 reset in 88 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 : [(NOT p0), true]
False Knowledge obtained : []
Knowledge based reduction with 2 factoid took 112 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 190 ms :[(NOT p0), (NOT p0), (NOT p0), (NOT p0)]
Finished random walk after 5 steps, including 0 resets, run visited all 1 properties in 1 ms. (steps per millisecond=5 )
Knowledge obtained : [(NOT p0), true]
False Knowledge obtained : [(F p0)]
Knowledge based reduction with 2 factoid took 167 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 239 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)]
[2023-03-19 16:07:58] [INFO ] Invariant cache hit.
[2023-03-19 16:07:58] [INFO ] [Real]Absence check using 9 positive place invariants in 2 ms returned sat
[2023-03-19 16:07:58] [INFO ] [Real]Adding state equation constraints to refine reachable states.
[2023-03-19 16:07:58] [INFO ] [Real]Absence check using state equation in 12 ms returned sat
[2023-03-19 16:07:58] [INFO ] Solution in real domain found non-integer solution.
[2023-03-19 16:07:59] [INFO ] [Nat]Absence check using 9 positive place invariants in 2 ms returned sat
[2023-03-19 16:07:59] [INFO ] [Nat]Adding state equation constraints to refine reachable states.
[2023-03-19 16:07:59] [INFO ] [Nat]Absence check using state equation in 16 ms returned sat
[2023-03-19 16:07:59] [INFO ] Computed and/alt/rep : 36/130/36 causal constraints (skipped 2 transitions) in 5 ms.
[2023-03-19 16:07:59] [INFO ] Added : 35 causal constraints over 8 iterations in 109 ms. Result :sat
Could not prove EG (NOT p0)
Support contains 1 out of 29 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 29/29 places, 39/39 transitions.
Applied a total of 0 rules in 1 ms. Remains 29 /29 variables (removed 0) and now considering 39/39 (removed 0) transitions.
[2023-03-19 16:07:59] [INFO ] Invariant cache hit.
[2023-03-19 16:07:59] [INFO ] Implicit Places using invariants in 39 ms returned []
[2023-03-19 16:07:59] [INFO ] Invariant cache hit.
[2023-03-19 16:07:59] [INFO ] Implicit Places using invariants and state equation in 61 ms returned []
Implicit Place search using SMT with State Equation took 115 ms to find 0 implicit places.
[2023-03-19 16:07:59] [INFO ] Invariant cache hit.
[2023-03-19 16:07:59] [INFO ] Dead Transitions using invariants and state equation in 40 ms found 0 transitions.
Finished structural reductions in LTL mode , in 1 iterations and 157 ms. Remains : 29/29 places, 39/39 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 : [(NOT p0), true]
False Knowledge obtained : []
Knowledge based reduction with 2 factoid took 78 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 141 ms :[(NOT p0), (NOT p0), (NOT p0), (NOT p0)]
Finished random walk after 5 steps, including 0 resets, run visited all 1 properties in 1 ms. (steps per millisecond=5 )
Knowledge obtained : [(NOT p0), true]
False Knowledge obtained : [(F p0)]
Knowledge based reduction with 2 factoid took 97 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 183 ms :[(NOT p0), (NOT p0), (NOT p0), (NOT p0)]
Stuttering acceptance computed with spot in 177 ms :[(NOT p0), (NOT p0), (NOT p0), (NOT p0)]
[2023-03-19 16:08:00] [INFO ] Invariant cache hit.
[2023-03-19 16:08:00] [INFO ] [Real]Absence check using 9 positive place invariants in 1 ms returned sat
[2023-03-19 16:08:00] [INFO ] [Real]Adding state equation constraints to refine reachable states.
[2023-03-19 16:08:00] [INFO ] [Real]Absence check using state equation in 10 ms returned sat
[2023-03-19 16:08:00] [INFO ] Solution in real domain found non-integer solution.
[2023-03-19 16:08:00] [INFO ] [Nat]Absence check using 9 positive place invariants in 1 ms returned sat
[2023-03-19 16:08:00] [INFO ] [Nat]Adding state equation constraints to refine reachable states.
[2023-03-19 16:08:00] [INFO ] [Nat]Absence check using state equation in 10 ms returned sat
[2023-03-19 16:08:00] [INFO ] Computed and/alt/rep : 36/130/36 causal constraints (skipped 2 transitions) in 6 ms.
[2023-03-19 16:08:00] [INFO ] Added : 35 causal constraints over 8 iterations in 46 ms. Result :sat
Could not prove EG (NOT p0)
Stuttering acceptance computed with spot in 158 ms :[(NOT p0), (NOT p0), (NOT p0), (NOT p0)]
Product exploration explored 100000 steps with 18842 reset in 63 ms.
Product exploration explored 100000 steps with 18820 reset in 84 ms.
Applying partial POR strategy [true, false, false, false]
Stuttering acceptance computed with spot in 180 ms :[(NOT p0), (NOT p0), (NOT p0), (NOT p0)]
Support contains 1 out of 29 places. Attempting structural reductions.
Starting structural reductions in SI_LTL mode, iteration 0 : 29/29 places, 39/39 transitions.
Applied a total of 0 rules in 1 ms. Remains 29 /29 variables (removed 0) and now considering 39/39 (removed 0) transitions.
[2023-03-19 16:08:00] [INFO ] Redundant transitions in 17 ms returned [11]
Found 1 redundant transitions using SMT.
Drop transitions removed 1 transitions
Redundant transitions reduction (with SMT) removed 1 transitions.
// Phase 1: matrix 38 rows 29 cols
[2023-03-19 16:08:00] [INFO ] Computed 9 place invariants in 0 ms
[2023-03-19 16:08:00] [INFO ] Dead Transitions using invariants and state equation in 44 ms found 0 transitions.
Starting structural reductions in SI_LTL mode, iteration 1 : 29/29 places, 38/39 transitions.
Applied a total of 0 rules in 2 ms. Remains 29 /29 variables (removed 0) and now considering 38/38 (removed 0) transitions.
Finished structural reductions in SI_LTL mode , in 2 iterations and 83 ms. Remains : 29/29 places, 38/39 transitions.
Support contains 1 out of 29 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 29/29 places, 39/39 transitions.
Applied a total of 0 rules in 0 ms. Remains 29 /29 variables (removed 0) and now considering 39/39 (removed 0) transitions.
// Phase 1: matrix 39 rows 29 cols
[2023-03-19 16:08:00] [INFO ] Computed 9 place invariants in 0 ms
[2023-03-19 16:08:00] [INFO ] Implicit Places using invariants in 82 ms returned []
[2023-03-19 16:08:00] [INFO ] Invariant cache hit.
[2023-03-19 16:08:00] [INFO ] Implicit Places using invariants and state equation in 69 ms returned []
Implicit Place search using SMT with State Equation took 155 ms to find 0 implicit places.
[2023-03-19 16:08:00] [INFO ] Invariant cache hit.
[2023-03-19 16:08:01] [INFO ] Dead Transitions using invariants and state equation in 73 ms found 0 transitions.
Finished structural reductions in LTL mode , in 1 iterations and 229 ms. Remains : 29/29 places, 39/39 transitions.
Treatment of property ShieldRVs-PT-002A-LTLFireability-14 finished in 3726 ms.
[2023-03-19 16:08:01] [INFO ] Flatten gal took : 7 ms
[2023-03-19 16:08:01] [INFO ] Export to MCC of 1 properties in file /home/mcc/execution/LTLFireability.sr.xml took 1 ms.
[2023-03-19 16:08:01] [INFO ] Export to PNML in file /home/mcc/execution/model.sr.pnml of net with 31 places, 41 transitions and 184 arcs took 1 ms.
Total runtime 14079 ms.
There are residual formulas that ITS could not solve within timeout
starting LoLA
BK_INPUT ShieldRVs-PT-002A
BK_EXAMINATION: LTLFireability
bin directory: /home/mcc/BenchKit/bin//../reducer/bin//../../lola/bin/
current directory: /home/mcc/execution/373
LTLFireability

FORMULA ShieldRVs-PT-002A-LTLFireability-14 TRUE TECHNIQUES COLLATERAL_PROCESSING EXPLICIT TOPOLOGICAL STATE_COMPRESSION STUBBORN_SETS USE_NUPN UNFOLDING_TO_PT

BK_STOP 1679242081463

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

+ 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//../reducer/bin//../../itstools//itstools/plugins/fr.lip6.move.gal.application.pnmcc_1.0.0.202303021504.jar
+ VERSION=202303021504
+ echo 'Running Version 202303021504'
+ /home/mcc/BenchKit/bin//../reducer/bin//../../itstools//itstools/its-tools -pnfolder /home/mcc/execution -examination LTLFireability -timeout 360 -rebuildPNML
lola: MEM LIMIT 32
lola: MEM LIMIT 5
lola: NET
lola: input: PNML file (--pnmlnet)
lola: reading net from /home/mcc/execution/373/model.pnml
lola: reading pnml
lola: PNML file contains place/transition net
lola: finished parsing
lola: closed net file /home/mcc/execution/373/model.pnml
lola: Reading formula.
lola: Using XML format (--xmlformula)
lola: reading XML formula
lola: reading formula from /home/mcc/execution/373/LTLFireability.xml
lola: Rule S: 0 transitions removed,0 places removed
lola: Created skeleton in 0.000000 secs.
lola: LAUNCH task # 1 (type EXCL) for 0 ShieldRVs-PT-002A-LTLFireability-14
lola: time limit : 3600 sec
lola: memory limit: 32 pages
lola: FINISHED task # 1 (type EXCL) for ShieldRVs-PT-002A-LTLFireability-14
lola: result : true
lola: markings : 17
lola: fired transitions : 18
lola: time used : 0.000000
lola: memory pages used : 1
lola: Portfolio finished: no open formulas

FINAL RESULTS
FINISHED FORMULA: CATEGORY VALUE PRODUCED BY
ShieldRVs-PT-002A-LTLFireability-14: LTL true LTL model checker


Time elapsed: 0 secs. Pages in use: 1

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="ShieldRVs-PT-002A"
export BK_EXAMINATION="LTLFireability"
export BK_TOOL="lolaxred"
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 lolaxred"
echo " Input is ShieldRVs-PT-002A, examination is LTLFireability"
echo " Time confinement is $BK_TIME_CONFINEMENT seconds"
echo " Memory confinement is 16384 MBytes"
echo " Number of cores is 4"
echo " Run identifier is r423-tajo-167905976200020"
echo "====================================================================="
echo
echo "--------------------"
echo "preparation of the directory to be used:"

tar xzf /home/mcc/BenchKit/INPUTS/ShieldRVs-PT-002A.tgz
mv ShieldRVs-PT-002A execution
cd execution
if [ "LTLFireability" = "ReachabilityDeadlock" ] || [ "LTLFireability" = "UpperBounds" ] || [ "LTLFireability" = "QuasiLiveness" ] || [ "LTLFireability" = "StableMarking" ] || [ "LTLFireability" = "Liveness" ] || [ "LTLFireability" = "OneSafe" ] || [ "LTLFireability" = "StateSpace" ]; then
rm -f GenericPropertiesVerdict.xml
fi
pwd
ls -lh

echo
echo "--------------------"
echo "content from stdout:"
echo
echo "=== Data for post analysis generated by BenchKit (invocation template)"
echo
if [ "LTLFireability" = "UpperBounds" ] ; then
echo "The expected result is a vector of positive values"
echo NUM_VECTOR
elif [ "LTLFireability" != "StateSpace" ] ; then
echo "The expected result is a vector of booleans"
echo BOOL_VECTOR
else
echo "no data necessary for post analysis"
fi
echo
if [ -f "LTLFireability.txt" ] ; then
echo "here is the order used to build the result vector(from text file)"
for x in $(grep Property LTLFireability.txt | cut -d ' ' -f 2 | sort -u) ; do
echo "FORMULA_NAME $x"
done
elif [ -f "LTLFireability.xml" ] ; then # for cunf (txt files deleted;-)
echo echo "here is the order used to build the result vector(from xml file)"
for x in $(grep '' LTLFireability.xml | cut -d '>' -f 2 | cut -d '<' -f 1 | sort -u) ; do
echo "FORMULA_NAME $x"
done
elif [ "LTLFireability" = "ReachabilityDeadlock" ] || [ "LTLFireability" = "QuasiLiveness" ] || [ "LTLFireability" = "StableMarking" ] || [ "LTLFireability" = "Liveness" ] || [ "LTLFireability" = "OneSafe" ] ; then
echo "FORMULA_NAME LTLFireability"
fi
echo
echo "=== Now, execution of the tool begins"
echo
echo -n "BK_START "
date -u +%s%3N
echo
timeout -s 9 $BK_TIME_CONFINEMENT bash -c "/home/mcc/BenchKit/BenchKit_head.sh 2> STDERR ; echo ; echo -n \"BK_STOP \" ; date -u +%s%3N"
if [ $? -eq 137 ] ; then
echo
echo "BK_TIME_CONFINEMENT_REACHED"
fi
echo
echo "--------------------"
echo "content from stderr:"
echo
cat STDERR ;