Execution Chart

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

Trace from the execution

Formatting '/data/fkordon/mcc2023-input.r489-tall-167912707701123.qcow2', fmt=qcow2 size=4294967296 backing_file=/data/fkordon/mcc2023-input.qcow2 cluster_size=65536 lazy_refcounts=off refcount_bits=16
Waiting for the VM to be ready (probing ssh)
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=====================================================================
Generated by BenchKit 2-5348
Executing tool ltsminxred
Input is UtilityControlRoom-PT-Z2T4N02, examination is LTLCardinality
Time confinement is 3600 seconds
Memory confinement is 16384 MBytes
Number of cores is 4
Run identifier is r489-tall-167912707701123
=====================================================================

--------------------
preparation of the directory to be used:
/home/mcc/execution
total 576K
-rw-r--r-- 1 mcc users 9.4K Feb 26 14:51 CTLCardinality.txt
-rw-r--r-- 1 mcc users 68K Feb 26 14:51 CTLCardinality.xml
-rw-r--r-- 1 mcc users 11K Feb 26 14:49 CTLFireability.txt
-rw-r--r-- 1 mcc users 61K Feb 26 14:49 CTLFireability.xml
-rw-r--r-- 1 mcc users 6.7K Feb 25 17:24 LTLCardinality.txt
-rw-r--r-- 1 mcc users 32K Feb 25 17:24 LTLCardinality.xml
-rw-r--r-- 1 mcc users 5.3K Feb 25 17:24 LTLFireability.txt
-rw-r--r-- 1 mcc users 24K Feb 25 17:24 LTLFireability.xml
-rw-r--r-- 1 mcc users 21K Feb 26 14:53 ReachabilityCardinality.txt
-rw-r--r-- 1 mcc users 140K Feb 26 14:53 ReachabilityCardinality.xml
-rw-r--r-- 1 mcc users 21K Feb 26 14:52 ReachabilityFireability.txt
-rw-r--r-- 1 mcc users 110K Feb 26 14:52 ReachabilityFireability.xml
-rw-r--r-- 1 mcc users 2.3K Feb 25 17:24 UpperBounds.txt
-rw-r--r-- 1 mcc users 4.7K Feb 25 17:24 UpperBounds.xml
-rw-r--r-- 1 mcc users 5 Mar 5 18:23 equiv_col
-rw-r--r-- 1 mcc users 8 Mar 5 18:23 instance
-rw-r--r-- 1 mcc users 6 Mar 5 18:23 iscolored
-rw-r--r-- 1 mcc users 24K 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 UtilityControlRoom-PT-Z2T4N02-LTLCardinality-00
FORMULA_NAME UtilityControlRoom-PT-Z2T4N02-LTLCardinality-01
FORMULA_NAME UtilityControlRoom-PT-Z2T4N02-LTLCardinality-02
FORMULA_NAME UtilityControlRoom-PT-Z2T4N02-LTLCardinality-03
FORMULA_NAME UtilityControlRoom-PT-Z2T4N02-LTLCardinality-04
FORMULA_NAME UtilityControlRoom-PT-Z2T4N02-LTLCardinality-05
FORMULA_NAME UtilityControlRoom-PT-Z2T4N02-LTLCardinality-06
FORMULA_NAME UtilityControlRoom-PT-Z2T4N02-LTLCardinality-07
FORMULA_NAME UtilityControlRoom-PT-Z2T4N02-LTLCardinality-08
FORMULA_NAME UtilityControlRoom-PT-Z2T4N02-LTLCardinality-09
FORMULA_NAME UtilityControlRoom-PT-Z2T4N02-LTLCardinality-10
FORMULA_NAME UtilityControlRoom-PT-Z2T4N02-LTLCardinality-11
FORMULA_NAME UtilityControlRoom-PT-Z2T4N02-LTLCardinality-12
FORMULA_NAME UtilityControlRoom-PT-Z2T4N02-LTLCardinality-13
FORMULA_NAME UtilityControlRoom-PT-Z2T4N02-LTLCardinality-14
FORMULA_NAME UtilityControlRoom-PT-Z2T4N02-LTLCardinality-15

=== Now, execution of the tool begins

BK_START 1679340268868

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=ltsminxred
BK_EXAMINATION=LTLCardinality
BK_BIN_PATH=/home/mcc/BenchKit/bin/
BK_TIME_CONFINEMENT=3600
BK_INPUT=UtilityControlRoom-PT-Z2T4N02
Applying reductions before tool ltsmin
Invoking reducer
Running Version 202303021504
[2023-03-20 19:24:30] [INFO ] Running its-tools with arguments : [-pnfolder, /home/mcc/execution, -examination, LTLCardinality, -timeout, 360, -rebuildPNML]
[2023-03-20 19:24:30] [INFO ] Parsing pnml file : /home/mcc/execution/model.pnml
[2023-03-20 19:24:30] [INFO ] Load time of PNML (sax parser for PT used): 27 ms
[2023-03-20 19:24:30] [INFO ] Transformed 38 places.
[2023-03-20 19:24:30] [INFO ] Transformed 54 transitions.
[2023-03-20 19:24:30] [INFO ] Parsed PT model containing 38 places and 54 transitions and 170 arcs in 90 ms.
Parsed 16 properties from file /home/mcc/execution/LTLCardinality.xml in 10 ms.
Working with output stream class java.io.PrintStream
Initial state reduction rules removed 2 formulas.
Ensure Unique test removed 8 transitions
Reduce redundant transitions removed 8 transitions.
FORMULA UtilityControlRoom-PT-Z2T4N02-LTLCardinality-02 TRUE TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA UtilityControlRoom-PT-Z2T4N02-LTLCardinality-05 TRUE TECHNIQUES TOPOLOGICAL INITIAL_STATE
Support contains 29 out of 38 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 38/38 places, 46/46 transitions.
Discarding 2 places :
Symmetric choice reduction at 0 with 2 rule applications. Total rules 2 place count 36 transition count 44
Iterating global reduction 0 with 2 rules applied. Total rules applied 4 place count 36 transition count 44
Applied a total of 4 rules in 10 ms. Remains 36 /38 variables (removed 2) and now considering 44/46 (removed 2) transitions.
// Phase 1: matrix 44 rows 36 cols
[2023-03-20 19:24:30] [INFO ] Computed 7 place invariants in 8 ms
[2023-03-20 19:24:30] [INFO ] Implicit Places using invariants in 288 ms returned []
[2023-03-20 19:24:30] [INFO ] Invariant cache hit.
[2023-03-20 19:24:30] [INFO ] Implicit Places using invariants and state equation in 45 ms returned []
Implicit Place search using SMT with State Equation took 359 ms to find 0 implicit places.
[2023-03-20 19:24:30] [INFO ] Invariant cache hit.
[2023-03-20 19:24:31] [INFO ] Dead Transitions using invariants and state equation in 55 ms found 0 transitions.
Starting structural reductions in LTL mode, iteration 1 : 36/38 places, 44/46 transitions.
Finished structural reductions in LTL mode , in 1 iterations and 425 ms. Remains : 36/38 places, 44/46 transitions.
Support contains 29 out of 36 places after structural reductions.
[2023-03-20 19:24:31] [INFO ] Flatten gal took : 21 ms
[2023-03-20 19:24:31] [INFO ] Flatten gal took : 8 ms
[2023-03-20 19:24:31] [INFO ] Input system was already deterministic with 44 transitions.
Support contains 27 out of 36 places (down from 29) after GAL structural reductions.
Incomplete random walk after 10000 steps, including 2 resets, run finished after 469 ms. (steps per millisecond=21 ) properties (out of 28) seen :20
Incomplete Best-First random walk after 10001 steps, including 2 resets, run finished after 98 ms. (steps per millisecond=102 ) properties (out of 8) seen :0
Incomplete Best-First random walk after 10000 steps, including 2 resets, run finished after 58 ms. (steps per millisecond=172 ) properties (out of 8) seen :0
Incomplete Best-First random walk after 10000 steps, including 2 resets, run finished after 56 ms. (steps per millisecond=178 ) properties (out of 8) seen :0
Incomplete Best-First random walk after 10000 steps, including 2 resets, run finished after 68 ms. (steps per millisecond=147 ) properties (out of 8) seen :0
Incomplete Best-First random walk after 10001 steps, including 2 resets, run finished after 60 ms. (steps per millisecond=166 ) properties (out of 8) seen :0
Incomplete Best-First random walk after 10001 steps, including 2 resets, run finished after 27 ms. (steps per millisecond=370 ) properties (out of 8) seen :0
Incomplete Best-First random walk after 10001 steps, including 2 resets, run finished after 47 ms. (steps per millisecond=212 ) properties (out of 8) seen :0
Incomplete Best-First random walk after 10000 steps, including 2 resets, run finished after 49 ms. (steps per millisecond=204 ) properties (out of 8) seen :0
Running SMT prover for 8 properties.
[2023-03-20 19:24:32] [INFO ] Invariant cache hit.
[2023-03-20 19:24:32] [INFO ] [Real]Absence check using 7 positive place invariants in 4 ms returned sat
[2023-03-20 19:24:32] [INFO ] After 56ms SMT Verify possible using all constraints in real domain returned unsat :2 sat :0 real:6
[2023-03-20 19:24:32] [INFO ] [Nat]Absence check using 7 positive place invariants in 2 ms returned sat
[2023-03-20 19:24:32] [INFO ] After 57ms SMT Verify possible using all constraints in natural domain returned unsat :8 sat :0
Fused 8 Parikh solutions to 0 different solutions.
Parikh walk visited 0 properties in 1 ms.
FORMULA UtilityControlRoom-PT-Z2T4N02-LTLCardinality-04 FALSE TECHNIQUES REACHABILITY_KNOWLEDGE
FORMULA UtilityControlRoom-PT-Z2T4N02-LTLCardinality-06 FALSE TECHNIQUES REACHABILITY_KNOWLEDGE
Successfully simplified 8 atomic propositions for a total of 12 simplifications.
FORMULA UtilityControlRoom-PT-Z2T4N02-LTLCardinality-09 FALSE TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA UtilityControlRoom-PT-Z2T4N02-LTLCardinality-12 FALSE TECHNIQUES TOPOLOGICAL INITIAL_STATE
Computed a total of 0 stabilizing places and 0 stable transitions
FORMULA UtilityControlRoom-PT-Z2T4N02-LTLCardinality-10 FALSE TECHNIQUES TOPOLOGICAL INITIAL_STATE
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(F(p1))) U p2)&&F(G(p3))))'
Support contains 10 out of 36 places. Attempting structural reductions.
Starting structural reductions in SI_LTL mode, iteration 0 : 36/36 places, 44/44 transitions.
Performed 4 Post agglomeration using F-continuation condition.Transition count delta: 4
Iterating post reduction 0 with 4 rules applied. Total rules applied 4 place count 36 transition count 40
Reduce places removed 4 places and 0 transitions.
Ensure Unique test removed 2 transitions
Reduce isomorphic transitions removed 2 transitions.
Iterating post reduction 1 with 6 rules applied. Total rules applied 10 place count 32 transition count 38
Performed 4 Post agglomeration using F-continuation condition.Transition count delta: 4
Deduced a syphon composed of 4 places in 0 ms
Reduce places removed 4 places and 0 transitions.
Iterating global reduction 2 with 8 rules applied. Total rules applied 18 place count 28 transition count 34
Ensure Unique test removed 2 transitions
Reduce isomorphic transitions removed 2 transitions.
Iterating post reduction 2 with 2 rules applied. Total rules applied 20 place count 28 transition count 32
Applied a total of 20 rules in 8 ms. Remains 28 /36 variables (removed 8) and now considering 32/44 (removed 12) transitions.
// Phase 1: matrix 32 rows 28 cols
[2023-03-20 19:24:32] [INFO ] Computed 7 place invariants in 2 ms
[2023-03-20 19:24:32] [INFO ] Implicit Places using invariants in 39 ms returned [18, 19]
Discarding 2 places :
Implicit Place search using SMT only with invariants took 41 ms to find 2 implicit places.
Starting structural reductions in SI_LTL mode, iteration 1 : 26/36 places, 32/44 transitions.
Applied a total of 0 rules in 2 ms. Remains 26 /26 variables (removed 0) and now considering 32/32 (removed 0) transitions.
Finished structural reductions in SI_LTL mode , in 2 iterations and 51 ms. Remains : 26/36 places, 32/44 transitions.
Stuttering acceptance computed with spot in 295 ms :[(OR (NOT p2) (NOT p3)), (NOT p1), (NOT p2), (NOT p3)]
Running random walk in product with property : UtilityControlRoom-PT-Z2T4N02-LTLCardinality-00 automaton TGBA Formula[mat=[[{ cond=(AND (NOT p2) (NOT p0)), acceptance={} source=0 dest: 1}, { cond=(NOT p2), acceptance={} source=0 dest: 2}, { cond=true, acceptance={} source=0 dest: 3}], [{ cond=(NOT p1), acceptance={0} source=1 dest: 1}], [{ cond=(AND (NOT p2) (NOT p0)), acceptance={} source=2 dest: 1}, { cond=(NOT p2), acceptance={0} source=2 dest: 2}], [{ cond=p3, acceptance={} source=3 dest: 3}, { cond=(NOT p3), acceptance={0} source=3 dest: 3}]], initial=0, aps=[p2:(AND (LEQ (ADD s12 s13 s14 s15) (ADD s16 s17)) (GT 1 (ADD s16 s17))), p0:(GT (ADD s12 s13 s14 s15) (ADD s16 s17)), p1:(LEQ 1 (ADD s16 s17)), p3:(LEQ (A...], nbAcceptance=1, properties=[trans-labels, explicit-labels, trans-acc, no-univ-branch, stutter-invariant], stateDesc=[null, null, null, null][true, true, true, true]]
Product exploration explored 100000 steps with 0 reset in 239 ms.
Stack based approach found an accepted trace after 20 steps with 0 reset with depth 21 and stack size 21 in 1 ms.
FORMULA UtilityControlRoom-PT-Z2T4N02-LTLCardinality-00 FALSE TECHNIQUES STACK_TEST
Treatment of property UtilityControlRoom-PT-Z2T4N02-LTLCardinality-00 finished in 648 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((G(p0) U (p1&&G(p0)))))'
Support contains 3 out of 36 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 36/36 places, 44/44 transitions.
Discarding 2 places :
Symmetric choice reduction at 0 with 2 rule applications. Total rules 2 place count 34 transition count 42
Iterating global reduction 0 with 2 rules applied. Total rules applied 4 place count 34 transition count 42
Applied a total of 4 rules in 3 ms. Remains 34 /36 variables (removed 2) and now considering 42/44 (removed 2) transitions.
// Phase 1: matrix 42 rows 34 cols
[2023-03-20 19:24:33] [INFO ] Computed 7 place invariants in 3 ms
[2023-03-20 19:24:33] [INFO ] Implicit Places using invariants in 50 ms returned [22]
Discarding 1 places :
Implicit Place search using SMT only with invariants took 51 ms to find 1 implicit places.
Starting structural reductions in LTL mode, iteration 1 : 33/36 places, 42/44 transitions.
Applied a total of 0 rules in 1 ms. Remains 33 /33 variables (removed 0) and now considering 42/42 (removed 0) transitions.
Finished structural reductions in LTL mode , in 2 iterations and 55 ms. Remains : 33/36 places, 42/44 transitions.
Stuttering acceptance computed with spot in 133 ms :[(NOT p0), (OR (NOT p1) (NOT p0)), true, (OR (NOT p0) (NOT p1))]
Running random walk in product with property : UtilityControlRoom-PT-Z2T4N02-LTLCardinality-01 automaton TGBA Formula[mat=[[{ cond=p0, acceptance={} source=0 dest: 0}, { cond=(NOT p0), acceptance={} source=0 dest: 2}], [{ cond=true, acceptance={} source=1 dest: 3}], [{ cond=true, acceptance={0} source=2 dest: 2}], [{ cond=(AND p1 p0), acceptance={0} source=3 dest: 0}, { cond=(NOT p0), acceptance={0} source=3 dest: 2}, { cond=(AND (NOT p1) p0), acceptance={0} source=3 dest: 3}]], initial=1, aps=[p0:(LEQ 2 s22), p1:(LEQ 2 (ADD s20 s21))], 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][false, false, false, false]]
Entered a terminal (fully accepting) state of product in 1 steps with 0 reset in 1 ms.
FORMULA UtilityControlRoom-PT-Z2T4N02-LTLCardinality-01 FALSE TECHNIQUES STUTTER_TEST
Treatment of property UtilityControlRoom-PT-Z2T4N02-LTLCardinality-01 finished in 215 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&&X(F(p1))))))'
Support contains 10 out of 36 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 36/36 places, 44/44 transitions.
Discarding 2 places :
Symmetric choice reduction at 0 with 2 rule applications. Total rules 2 place count 34 transition count 42
Iterating global reduction 0 with 2 rules applied. Total rules applied 4 place count 34 transition count 42
Applied a total of 4 rules in 4 ms. Remains 34 /36 variables (removed 2) and now considering 42/44 (removed 2) transitions.
[2023-03-20 19:24:33] [INFO ] Invariant cache hit.
[2023-03-20 19:24:33] [INFO ] Implicit Places using invariants in 47 ms returned [22, 23]
Discarding 2 places :
Implicit Place search using SMT only with invariants took 48 ms to find 2 implicit places.
Starting structural reductions in LTL mode, iteration 1 : 32/36 places, 42/44 transitions.
Applied a total of 0 rules in 1 ms. Remains 32 /32 variables (removed 0) and now considering 42/42 (removed 0) transitions.
Finished structural reductions in LTL mode , in 2 iterations and 53 ms. Remains : 32/36 places, 42/44 transitions.
Stuttering acceptance computed with spot in 121 ms :[(NOT p1), (OR (NOT p0) (NOT p1)), (OR (NOT p0) (NOT p1))]
Running random walk in product with property : UtilityControlRoom-PT-Z2T4N02-LTLCardinality-03 automaton TGBA Formula[mat=[[{ cond=(NOT p1), acceptance={0} source=0 dest: 0}], [{ cond=true, acceptance={} source=1 dest: 2}], [{ cond=p0, acceptance={0} source=2 dest: 0}, { cond=(NOT p0), acceptance={0} source=2 dest: 2}]], initial=1, aps=[p1:(LEQ (ADD s16 s17 s18 s19) (ADD s8 s9 s10 s11)), p0:(LEQ 2 (ADD s24 s25))], nbAcceptance=1, properties=[trans-labels, explicit-labels, trans-acc, deterministic, no-univ-branch, unambiguous, semi-deterministic, stutter-sensitive, very-weak, weak, inherently-weak], stateDesc=[null, null, null][false, false, false]]
Product exploration explored 100000 steps with 2647 reset in 238 ms.
Stack based approach found an accepted trace after 38 steps with 3 reset with depth 26 and stack size 26 in 0 ms.
FORMULA UtilityControlRoom-PT-Z2T4N02-LTLCardinality-03 FALSE TECHNIQUES STACK_TEST
Treatment of property UtilityControlRoom-PT-Z2T4N02-LTLCardinality-03 finished in 434 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))'
Support contains 6 out of 36 places. Attempting structural reductions.
Starting structural reductions in SI_LTL mode, iteration 0 : 36/36 places, 44/44 transitions.
Performed 4 Post agglomeration using F-continuation condition.Transition count delta: 4
Iterating post reduction 0 with 4 rules applied. Total rules applied 4 place count 36 transition count 40
Reduce places removed 4 places and 0 transitions.
Ensure Unique test removed 2 transitions
Reduce isomorphic transitions removed 2 transitions.
Iterating post reduction 1 with 6 rules applied. Total rules applied 10 place count 32 transition count 38
Performed 4 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 2 with 4 Pre rules applied. Total rules applied 10 place count 32 transition count 34
Deduced a syphon composed of 4 places in 0 ms
Reduce places removed 4 places and 0 transitions.
Iterating global reduction 2 with 8 rules applied. Total rules applied 18 place count 28 transition count 34
Performed 4 Post agglomeration using F-continuation condition.Transition count delta: 4
Deduced a syphon composed of 4 places in 0 ms
Reduce places removed 4 places and 0 transitions.
Iterating global reduction 2 with 8 rules applied. Total rules applied 26 place count 24 transition count 30
Ensure Unique test removed 2 transitions
Reduce isomorphic transitions removed 2 transitions.
Iterating post reduction 2 with 2 rules applied. Total rules applied 28 place count 24 transition count 28
Discarding 1 places :
Symmetric choice reduction at 3 with 1 rule applications. Total rules 29 place count 23 transition count 24
Ensure Unique test removed 1 places
Iterating global reduction 3 with 2 rules applied. Total rules applied 31 place count 22 transition count 24
Discarding 2 places :
Symmetric choice reduction at 3 with 2 rule applications. Total rules 33 place count 20 transition count 22
Iterating global reduction 3 with 2 rules applied. Total rules applied 35 place count 20 transition count 22
Discarding 2 places :
Symmetric choice reduction at 3 with 2 rule applications. Total rules 37 place count 18 transition count 18
Iterating global reduction 3 with 2 rules applied. Total rules applied 39 place count 18 transition count 18
Applied a total of 39 rules in 8 ms. Remains 18 /36 variables (removed 18) and now considering 18/44 (removed 26) transitions.
// Phase 1: matrix 18 rows 18 cols
[2023-03-20 19:24:34] [INFO ] Computed 6 place invariants in 5 ms
[2023-03-20 19:24:34] [INFO ] Implicit Places using invariants in 244 ms returned [0, 11]
Discarding 2 places :
Implicit Place search using SMT only with invariants took 245 ms to find 2 implicit places.
Starting structural reductions in SI_LTL mode, iteration 1 : 16/36 places, 18/44 transitions.
Performed 2 Post agglomeration using F-continuation condition.Transition count delta: 2
Deduced a syphon composed of 2 places in 0 ms
Reduce places removed 2 places and 0 transitions.
Iterating global reduction 0 with 4 rules applied. Total rules applied 4 place count 14 transition count 16
Applied a total of 4 rules in 1 ms. Remains 14 /16 variables (removed 2) and now considering 16/18 (removed 2) transitions.
// Phase 1: matrix 16 rows 14 cols
[2023-03-20 19:24:34] [INFO ] Computed 4 place invariants in 1 ms
[2023-03-20 19:24:34] [INFO ] Implicit Places using invariants in 35 ms returned []
[2023-03-20 19:24:34] [INFO ] Invariant cache hit.
[2023-03-20 19:24:34] [INFO ] Implicit Places using invariants and state equation in 51 ms returned []
Implicit Place search using SMT with State Equation took 88 ms to find 0 implicit places.
Starting structural reductions in SI_LTL mode, iteration 2 : 14/36 places, 16/44 transitions.
Finished structural reductions in SI_LTL mode , in 2 iterations and 342 ms. Remains : 14/36 places, 16/44 transitions.
Stuttering acceptance computed with spot in 36 ms :[(NOT p0)]
Running random walk in product with property : UtilityControlRoom-PT-Z2T4N02-LTLCardinality-07 automaton TGBA Formula[mat=[[{ cond=(NOT p0), acceptance={0} source=0 dest: 0}]], initial=0, aps=[p0:(GT (ADD s2 s3 s4 s5) (ADD s8 s9))], nbAcceptance=1, properties=[trans-labels, explicit-labels, trans-acc, colored, deterministic, no-univ-branch, unambiguous, semi-deterministic, stutter-invariant, very-weak, weak, inherently-weak], stateDesc=[null][true]]
Product exploration explored 100000 steps with 22890 reset in 97 ms.
Stack based approach found an accepted trace after 18 steps with 3 reset with depth 9 and stack size 9 in 0 ms.
FORMULA UtilityControlRoom-PT-Z2T4N02-LTLCardinality-07 FALSE TECHNIQUES STACK_TEST
Treatment of property UtilityControlRoom-PT-Z2T4N02-LTLCardinality-07 finished in 502 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(G((X(p0)&&F(p1)))))'
Support contains 3 out of 36 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 36/36 places, 44/44 transitions.
Discarding 2 places :
Symmetric choice reduction at 0 with 2 rule applications. Total rules 2 place count 34 transition count 42
Iterating global reduction 0 with 2 rules applied. Total rules applied 4 place count 34 transition count 42
Applied a total of 4 rules in 1 ms. Remains 34 /36 variables (removed 2) and now considering 42/44 (removed 2) transitions.
// Phase 1: matrix 42 rows 34 cols
[2023-03-20 19:24:34] [INFO ] Computed 7 place invariants in 2 ms
[2023-03-20 19:24:34] [INFO ] Implicit Places using invariants in 223 ms returned [22, 23]
Discarding 2 places :
Implicit Place search using SMT only with invariants took 224 ms to find 2 implicit places.
Starting structural reductions in LTL mode, iteration 1 : 32/36 places, 42/44 transitions.
Applied a total of 0 rules in 1 ms. Remains 32 /32 variables (removed 0) and now considering 42/42 (removed 0) transitions.
Finished structural reductions in LTL mode , in 2 iterations and 226 ms. Remains : 32/36 places, 42/44 transitions.
Stuttering acceptance computed with spot in 219 ms :[(OR (NOT p1) (NOT p0)), (OR (NOT p0) (NOT p1)), (NOT p0), (NOT p1), true]
Running random walk in product with property : UtilityControlRoom-PT-Z2T4N02-LTLCardinality-08 automaton TGBA Formula[mat=[[{ cond=true, acceptance={} source=0 dest: 1}], [{ cond=true, acceptance={} source=1 dest: 1}, { cond=true, acceptance={} source=1 dest: 2}, { cond=(NOT p1), acceptance={} source=1 dest: 3}], [{ cond=(NOT p0), acceptance={} source=2 dest: 4}], [{ cond=(NOT p1), acceptance={0} source=3 dest: 3}], [{ cond=true, acceptance={0} source=4 dest: 4}]], initial=0, aps=[p1:(LEQ s30 s4), p0:(LEQ 1 s21)], 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][false, false, false, false, false]]
Entered a terminal (fully accepting) state of product in 10 steps with 1 reset in 0 ms.
FORMULA UtilityControlRoom-PT-Z2T4N02-LTLCardinality-08 FALSE TECHNIQUES STUTTER_TEST
Treatment of property UtilityControlRoom-PT-Z2T4N02-LTLCardinality-08 finished in 468 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)))'
Support contains 1 out of 36 places. Attempting structural reductions.
Starting structural reductions in SI_LTL mode, iteration 0 : 36/36 places, 44/44 transitions.
Drop transitions removed 4 transitions
Trivial Post-agglo rules discarded 4 transitions
Performed 4 trivial Post agglomeration. Transition count delta: 4
Iterating post reduction 0 with 4 rules applied. Total rules applied 4 place count 36 transition count 40
Reduce places removed 4 places and 0 transitions.
Ensure Unique test removed 2 transitions
Reduce isomorphic transitions removed 2 transitions.
Iterating post reduction 1 with 6 rules applied. Total rules applied 10 place count 32 transition count 38
Performed 4 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 2 with 4 Pre rules applied. Total rules applied 10 place count 32 transition count 34
Deduced a syphon composed of 4 places in 0 ms
Reduce places removed 4 places and 0 transitions.
Iterating global reduction 2 with 8 rules applied. Total rules applied 18 place count 28 transition count 34
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 2 with 10 rules applied. Total rules applied 28 place count 23 transition count 29
Ensure Unique test removed 2 transitions
Reduce isomorphic transitions removed 2 transitions.
Iterating post reduction 2 with 2 rules applied. Total rules applied 30 place count 23 transition count 27
Discarding 1 places :
Symmetric choice reduction at 3 with 1 rule applications. Total rules 31 place count 22 transition count 23
Ensure Unique test removed 1 places
Iterating global reduction 3 with 2 rules applied. Total rules applied 33 place count 21 transition count 23
Discarding 2 places :
Symmetric choice reduction at 3 with 2 rule applications. Total rules 35 place count 19 transition count 21
Iterating global reduction 3 with 2 rules applied. Total rules applied 37 place count 19 transition count 21
Discarding 2 places :
Symmetric choice reduction at 3 with 2 rule applications. Total rules 39 place count 17 transition count 17
Iterating global reduction 3 with 2 rules applied. Total rules applied 41 place count 17 transition count 17
Discarding 2 places :
Symmetric choice reduction at 3 with 2 rule applications. Total rules 43 place count 15 transition count 15
Iterating global reduction 3 with 2 rules applied. Total rules applied 45 place count 15 transition count 15
Ensure Unique test removed 2 transitions
Reduce isomorphic transitions removed 2 transitions.
Iterating post reduction 3 with 2 rules applied. Total rules applied 47 place count 15 transition count 13
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 4 with 2 rules applied. Total rules applied 49 place count 14 transition count 12
Applied a total of 49 rules in 10 ms. Remains 14 /36 variables (removed 22) and now considering 12/44 (removed 32) transitions.
// Phase 1: matrix 12 rows 14 cols
[2023-03-20 19:24:34] [INFO ] Computed 6 place invariants in 0 ms
[2023-03-20 19:24:35] [INFO ] Implicit Places using invariants in 33 ms returned [0, 7]
Discarding 2 places :
Implicit Place search using SMT only with invariants took 36 ms to find 2 implicit places.
Starting structural reductions in SI_LTL mode, iteration 1 : 12/36 places, 12/44 transitions.
Performed 1 Post agglomeration using F-continuation condition.Transition count delta: 1
Iterating post reduction 0 with 1 rules applied. Total rules applied 1 place count 12 transition count 11
Reduce places removed 1 places and 0 transitions.
Iterating post reduction 1 with 1 rules applied. Total rules applied 2 place count 11 transition count 11
Performed 1 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 2 with 1 Pre rules applied. Total rules applied 2 place count 11 transition count 10
Deduced a syphon composed of 1 places in 0 ms
Reduce places removed 1 places and 0 transitions.
Iterating global reduction 2 with 2 rules applied. Total rules applied 4 place count 10 transition count 10
Performed 2 Post agglomeration using F-continuation condition.Transition count delta: 2
Deduced a syphon composed of 2 places in 0 ms
Reduce places removed 3 places and 0 transitions.
Iterating global reduction 2 with 5 rules applied. Total rules applied 9 place count 7 transition count 8
Drop transitions removed 1 transitions
Trivial Post-agglo rules discarded 1 transitions
Performed 1 trivial Post agglomeration. Transition count delta: 1
Iterating post reduction 2 with 1 rules applied. Total rules applied 10 place count 7 transition count 7
Reduce places removed 2 places and 0 transitions.
Ensure Unique test removed 1 transitions
Reduce isomorphic transitions removed 1 transitions.
Iterating post reduction 3 with 3 rules applied. Total rules applied 13 place count 5 transition count 6
Applied a total of 13 rules in 6 ms. Remains 5 /12 variables (removed 7) and now considering 6/12 (removed 6) transitions.
// Phase 1: matrix 6 rows 5 cols
[2023-03-20 19:24:35] [INFO ] Computed 2 place invariants in 0 ms
[2023-03-20 19:24:35] [INFO ] Implicit Places using invariants in 20 ms returned []
[2023-03-20 19:24:35] [INFO ] Invariant cache hit.
[2023-03-20 19:24:35] [INFO ] Implicit Places using invariants and state equation in 21 ms returned []
Implicit Place search using SMT with State Equation took 43 ms to find 0 implicit places.
Starting structural reductions in SI_LTL mode, iteration 2 : 5/36 places, 6/44 transitions.
Finished structural reductions in SI_LTL mode , in 2 iterations and 98 ms. Remains : 5/36 places, 6/44 transitions.
Stuttering acceptance computed with spot in 33 ms :[p0]
Running random walk in product with property : UtilityControlRoom-PT-Z2T4N02-LTLCardinality-11 automaton TGBA Formula[mat=[[{ cond=(NOT p0), acceptance={} source=0 dest: 0}, { cond=p0, acceptance={0} source=0 dest: 0}]], initial=0, aps=[p0:(LEQ 1 s2)], nbAcceptance=1, properties=[trans-labels, explicit-labels, trans-acc, complete, deterministic, no-univ-branch, unambiguous, semi-deterministic, stutter-invariant], stateDesc=[null][true]]
Stuttering criterion allowed to conclude after 1 steps with 0 reset in 0 ms.
FORMULA UtilityControlRoom-PT-Z2T4N02-LTLCardinality-11 FALSE TECHNIQUES STUTTER_TEST
Treatment of property UtilityControlRoom-PT-Z2T4N02-LTLCardinality-11 finished in 151 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((p0||G(p1)||X(p2)))))'
Support contains 6 out of 36 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 36/36 places, 44/44 transitions.
Discarding 2 places :
Symmetric choice reduction at 0 with 2 rule applications. Total rules 2 place count 34 transition count 42
Iterating global reduction 0 with 2 rules applied. Total rules applied 4 place count 34 transition count 42
Applied a total of 4 rules in 2 ms. Remains 34 /36 variables (removed 2) and now considering 42/44 (removed 2) transitions.
// Phase 1: matrix 42 rows 34 cols
[2023-03-20 19:24:35] [INFO ] Computed 7 place invariants in 1 ms
[2023-03-20 19:24:35] [INFO ] Implicit Places using invariants in 34 ms returned [22]
Discarding 1 places :
Implicit Place search using SMT only with invariants took 35 ms to find 1 implicit places.
Starting structural reductions in LTL mode, iteration 1 : 33/36 places, 42/44 transitions.
Applied a total of 0 rules in 1 ms. Remains 33 /33 variables (removed 0) and now considering 42/42 (removed 0) transitions.
Finished structural reductions in LTL mode , in 2 iterations and 39 ms. Remains : 33/36 places, 42/44 transitions.
Stuttering acceptance computed with spot in 258 ms :[true, (NOT p2), (AND (NOT p2) (NOT p0) (NOT p1)), (AND (NOT p1) (NOT p2)), (NOT p1), (AND (NOT p2) (NOT p0) (NOT p1)), (AND (NOT p2) (NOT p0) (NOT p1))]
Running random walk in product with property : UtilityControlRoom-PT-Z2T4N02-LTLCardinality-13 automaton TGBA Formula[mat=[[{ cond=true, acceptance={0} source=0 dest: 0}], [{ cond=(NOT p2), acceptance={} source=1 dest: 0}], [{ cond=(AND (NOT p0) (NOT p1)), acceptance={} source=2 dest: 1}, { cond=(AND (NOT p0) p1), acceptance={} source=2 dest: 3}], [{ cond=(AND (NOT p1) (NOT p2)), acceptance={} source=3 dest: 0}, { cond=(AND p1 (NOT p2)), acceptance={} source=3 dest: 4}], [{ cond=(NOT p1), acceptance={} source=4 dest: 0}, { cond=p1, acceptance={} source=4 dest: 4}], [{ cond=true, acceptance={} source=5 dest: 6}], [{ cond=true, acceptance={} source=6 dest: 2}]], initial=5, aps=[p2:(LEQ s5 s31), p0:(LEQ s1 s21), p1:(GT s22 s29)], nbAcceptance=1, properties=[trans-labels, explicit-labels, trans-acc, deterministic, no-univ-branch, unambiguous, semi-deterministic, stutter-sensitive, terminal, very-weak, weak, inherently-weak], stateDesc=[null, null, null, null, null, null, null][false, false, false, false, false, false, false]]
Entered a terminal (fully accepting) state of product in 98 steps with 15 reset in 3 ms.
FORMULA UtilityControlRoom-PT-Z2T4N02-LTLCardinality-13 FALSE TECHNIQUES STUTTER_TEST
Treatment of property UtilityControlRoom-PT-Z2T4N02-LTLCardinality-13 finished in 322 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((X(p1)&&p0)))'
Support contains 4 out of 36 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 36/36 places, 44/44 transitions.
Discarding 2 places :
Symmetric choice reduction at 0 with 2 rule applications. Total rules 2 place count 34 transition count 42
Iterating global reduction 0 with 2 rules applied. Total rules applied 4 place count 34 transition count 42
Applied a total of 4 rules in 2 ms. Remains 34 /36 variables (removed 2) and now considering 42/44 (removed 2) transitions.
[2023-03-20 19:24:35] [INFO ] Invariant cache hit.
[2023-03-20 19:24:35] [INFO ] Implicit Places using invariants in 67 ms returned [22]
Discarding 1 places :
Implicit Place search using SMT only with invariants took 69 ms to find 1 implicit places.
Starting structural reductions in LTL mode, iteration 1 : 33/36 places, 42/44 transitions.
Applied a total of 0 rules in 1 ms. Remains 33 /33 variables (removed 0) and now considering 42/42 (removed 0) transitions.
Finished structural reductions in LTL mode , in 2 iterations and 72 ms. Remains : 33/36 places, 42/44 transitions.
Stuttering acceptance computed with spot in 74 ms :[(OR (NOT p0) (NOT p1)), (NOT p1)]
Running random walk in product with property : UtilityControlRoom-PT-Z2T4N02-LTLCardinality-14 automaton TGBA Formula[mat=[[{ cond=(NOT p0), acceptance={0} source=0 dest: 0}, { cond=p0, acceptance={0} source=0 dest: 1}], [{ cond=(AND (NOT p0) (NOT p1)), acceptance={0} source=1 dest: 0}, { cond=(AND p0 (NOT p1)), acceptance={0} source=1 dest: 1}]], initial=0, aps=[p0:(AND (LEQ s10 s29) (LEQ s10 s20)), p1:(LEQ 2 s22)], nbAcceptance=1, properties=[trans-labels, explicit-labels, trans-acc, colored, deterministic, no-univ-branch, unambiguous, semi-deterministic, stutter-sensitive, weak, inherently-weak], stateDesc=[null, null][false, false]]
Product exploration explored 100000 steps with 18118 reset in 165 ms.
Stack based approach found an accepted trace after 466 steps with 82 reset with depth 9 and stack size 9 in 4 ms.
FORMULA UtilityControlRoom-PT-Z2T4N02-LTLCardinality-14 FALSE TECHNIQUES STACK_TEST
Treatment of property UtilityControlRoom-PT-Z2T4N02-LTLCardinality-14 finished in 328 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(G(p0)))'
Support contains 1 out of 36 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 36/36 places, 44/44 transitions.
Discarding 2 places :
Symmetric choice reduction at 0 with 2 rule applications. Total rules 2 place count 34 transition count 42
Iterating global reduction 0 with 2 rules applied. Total rules applied 4 place count 34 transition count 42
Applied a total of 4 rules in 2 ms. Remains 34 /36 variables (removed 2) and now considering 42/44 (removed 2) transitions.
[2023-03-20 19:24:35] [INFO ] Invariant cache hit.
[2023-03-20 19:24:35] [INFO ] Implicit Places using invariants in 69 ms returned [22, 23]
Discarding 2 places :
Implicit Place search using SMT only with invariants took 70 ms to find 2 implicit places.
Starting structural reductions in LTL mode, iteration 1 : 32/36 places, 42/44 transitions.
Applied a total of 0 rules in 1 ms. Remains 32 /32 variables (removed 0) and now considering 42/42 (removed 0) transitions.
Finished structural reductions in LTL mode , in 2 iterations and 73 ms. Remains : 32/36 places, 42/44 transitions.
Stuttering acceptance computed with spot in 92 ms :[true, (NOT p0), (NOT p0)]
Running random walk in product with property : UtilityControlRoom-PT-Z2T4N02-LTLCardinality-15 automaton TGBA Formula[mat=[[{ cond=true, acceptance={0} source=0 dest: 0}], [{ cond=true, acceptance={} source=1 dest: 2}], [{ cond=(NOT p0), acceptance={} source=2 dest: 0}, { cond=p0, acceptance={} source=2 dest: 2}]], initial=1, aps=[p0:(LEQ 1 s4)], 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][false, false, false]]
Entered a terminal (fully accepting) state of product in 1 steps with 0 reset in 0 ms.
FORMULA UtilityControlRoom-PT-Z2T4N02-LTLCardinality-15 FALSE TECHNIQUES STUTTER_TEST
Treatment of property UtilityControlRoom-PT-Z2T4N02-LTLCardinality-15 finished in 179 ms.
All properties solved by simple procedures.
Total runtime 5569 ms.
ITS solved all properties within timeout

BK_STOP 1679340276751

--------------------
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 LTLCardinality -timeout 360 -rebuildPNML

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="UtilityControlRoom-PT-Z2T4N02"
export BK_EXAMINATION="LTLCardinality"
export BK_TOOL="ltsminxred"
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 ltsminxred"
echo " Input is UtilityControlRoom-PT-Z2T4N02, 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 r489-tall-167912707701123"
echo "====================================================================="
echo
echo "--------------------"
echo "preparation of the directory to be used:"

tar xzf /home/mcc/BenchKit/INPUTS/UtilityControlRoom-PT-Z2T4N02.tgz
mv UtilityControlRoom-PT-Z2T4N02 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 ;