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-167912707701091.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-Z2T3N04, examination is LTLCardinality
Time confinement is 3600 seconds
Memory confinement is 16384 MBytes
Number of cores is 4
Run identifier is r489-tall-167912707701091
=====================================================================

--------------------
preparation of the directory to be used:
/home/mcc/execution
total 752K
-rw-r--r-- 1 mcc users 16K Feb 26 14:27 CTLCardinality.txt
-rw-r--r-- 1 mcc users 108K Feb 26 14:27 CTLCardinality.xml
-rw-r--r-- 1 mcc users 22K Feb 26 14:25 CTLFireability.txt
-rw-r--r-- 1 mcc users 116K Feb 26 14:25 CTLFireability.xml
-rw-r--r-- 1 mcc users 6.4K Feb 25 17:24 LTLCardinality.txt
-rw-r--r-- 1 mcc users 29K Feb 25 17:24 LTLCardinality.xml
-rw-r--r-- 1 mcc users 5.6K Feb 25 17:24 LTLFireability.txt
-rw-r--r-- 1 mcc users 25K Feb 25 17:24 LTLFireability.xml
-rw-r--r-- 1 mcc users 21K Feb 26 14:30 ReachabilityCardinality.txt
-rw-r--r-- 1 mcc users 129K Feb 26 14:30 ReachabilityCardinality.xml
-rw-r--r-- 1 mcc users 30K Feb 26 14:28 ReachabilityFireability.txt
-rw-r--r-- 1 mcc users 151K Feb 26 14:28 ReachabilityFireability.xml
-rw-r--r-- 1 mcc users 2.7K Feb 25 17:24 UpperBounds.txt
-rw-r--r-- 1 mcc users 5.6K 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 47K 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-Z2T3N04-LTLCardinality-00
FORMULA_NAME UtilityControlRoom-PT-Z2T3N04-LTLCardinality-01
FORMULA_NAME UtilityControlRoom-PT-Z2T3N04-LTLCardinality-02
FORMULA_NAME UtilityControlRoom-PT-Z2T3N04-LTLCardinality-03
FORMULA_NAME UtilityControlRoom-PT-Z2T3N04-LTLCardinality-04
FORMULA_NAME UtilityControlRoom-PT-Z2T3N04-LTLCardinality-05
FORMULA_NAME UtilityControlRoom-PT-Z2T3N04-LTLCardinality-06
FORMULA_NAME UtilityControlRoom-PT-Z2T3N04-LTLCardinality-07
FORMULA_NAME UtilityControlRoom-PT-Z2T3N04-LTLCardinality-08
FORMULA_NAME UtilityControlRoom-PT-Z2T3N04-LTLCardinality-09
FORMULA_NAME UtilityControlRoom-PT-Z2T3N04-LTLCardinality-10
FORMULA_NAME UtilityControlRoom-PT-Z2T3N04-LTLCardinality-11
FORMULA_NAME UtilityControlRoom-PT-Z2T3N04-LTLCardinality-12
FORMULA_NAME UtilityControlRoom-PT-Z2T3N04-LTLCardinality-13
FORMULA_NAME UtilityControlRoom-PT-Z2T3N04-LTLCardinality-14
FORMULA_NAME UtilityControlRoom-PT-Z2T3N04-LTLCardinality-15

=== Now, execution of the tool begins

BK_START 1679339471443

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-Z2T3N04
Applying reductions before tool ltsmin
Invoking reducer
Running Version 202303021504
[2023-03-20 19:11:13] [INFO ] Running its-tools with arguments : [-pnfolder, /home/mcc/execution, -examination, LTLCardinality, -timeout, 360, -rebuildPNML]
[2023-03-20 19:11:13] [INFO ] Parsing pnml file : /home/mcc/execution/model.pnml
[2023-03-20 19:11:13] [INFO ] Load time of PNML (sax parser for PT used): 33 ms
[2023-03-20 19:11:13] [INFO ] Transformed 72 places.
[2023-03-20 19:11:13] [INFO ] Transformed 108 transitions.
[2023-03-20 19:11:13] [INFO ] Parsed PT model containing 72 places and 108 transitions and 340 arcs in 96 ms.
Parsed 16 properties from file /home/mcc/execution/LTLCardinality.xml in 9 ms.
Working with output stream class java.io.PrintStream
Initial state reduction rules removed 4 formulas.
Ensure Unique test removed 16 transitions
Reduce redundant transitions removed 16 transitions.
FORMULA UtilityControlRoom-PT-Z2T3N04-LTLCardinality-07 TRUE TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA UtilityControlRoom-PT-Z2T3N04-LTLCardinality-08 FALSE TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA UtilityControlRoom-PT-Z2T3N04-LTLCardinality-10 FALSE TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA UtilityControlRoom-PT-Z2T3N04-LTLCardinality-13 FALSE TECHNIQUES TOPOLOGICAL INITIAL_STATE
Support contains 60 out of 72 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 72/72 places, 92/92 transitions.
Applied a total of 0 rules in 14 ms. Remains 72 /72 variables (removed 0) and now considering 92/92 (removed 0) transitions.
// Phase 1: matrix 92 rows 72 cols
[2023-03-20 19:11:13] [INFO ] Computed 11 place invariants in 13 ms
[2023-03-20 19:11:13] [INFO ] Implicit Places using invariants in 148 ms returned []
[2023-03-20 19:11:13] [INFO ] Invariant cache hit.
[2023-03-20 19:11:13] [INFO ] Implicit Places using invariants and state equation in 76 ms returned []
Implicit Place search using SMT with State Equation took 255 ms to find 0 implicit places.
[2023-03-20 19:11:13] [INFO ] Invariant cache hit.
[2023-03-20 19:11:13] [INFO ] Dead Transitions using invariants and state equation in 72 ms found 0 transitions.
Finished structural reductions in LTL mode , in 1 iterations and 343 ms. Remains : 72/72 places, 92/92 transitions.
Support contains 60 out of 72 places after structural reductions.
[2023-03-20 19:11:13] [INFO ] Flatten gal took : 28 ms
[2023-03-20 19:11:13] [INFO ] Flatten gal took : 12 ms
[2023-03-20 19:11:13] [INFO ] Input system was already deterministic with 92 transitions.
Support contains 59 out of 72 places (down from 60) after GAL structural reductions.
Incomplete random walk after 10000 steps, including 2 resets, run finished after 377 ms. (steps per millisecond=26 ) properties (out of 18) seen :12
Incomplete Best-First random walk after 10001 steps, including 2 resets, run finished after 54 ms. (steps per millisecond=185 ) properties (out of 6) seen :0
Incomplete Best-First random walk after 10001 steps, including 2 resets, run finished after 37 ms. (steps per millisecond=270 ) properties (out of 6) seen :0
Incomplete Best-First random walk after 10001 steps, including 2 resets, run finished after 48 ms. (steps per millisecond=208 ) properties (out of 6) 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 6) seen :0
Incomplete Best-First random walk after 10001 steps, including 2 resets, run finished after 34 ms. (steps per millisecond=294 ) properties (out of 6) seen :0
Incomplete Best-First random walk after 10001 steps, including 2 resets, run finished after 37 ms. (steps per millisecond=270 ) properties (out of 6) seen :0
Running SMT prover for 6 properties.
[2023-03-20 19:11:14] [INFO ] Invariant cache hit.
[2023-03-20 19:11:14] [INFO ] [Real]Absence check using 11 positive place invariants in 3 ms returned sat
[2023-03-20 19:11:14] [INFO ] After 64ms SMT Verify possible using all constraints in real domain returned unsat :1 sat :0 real:5
[2023-03-20 19:11:14] [INFO ] [Nat]Absence check using 11 positive place invariants in 2 ms returned sat
[2023-03-20 19:11:14] [INFO ] After 56ms SMT Verify possible using all constraints in natural domain returned unsat :6 sat :0
Fused 6 Parikh solutions to 0 different solutions.
Parikh walk visited 0 properties in 0 ms.
FORMULA UtilityControlRoom-PT-Z2T3N04-LTLCardinality-03 FALSE TECHNIQUES REACHABILITY_KNOWLEDGE
Successfully simplified 6 atomic propositions for a total of 11 simplifications.
FORMULA UtilityControlRoom-PT-Z2T3N04-LTLCardinality-00 FALSE TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA UtilityControlRoom-PT-Z2T3N04-LTLCardinality-01 FALSE TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA UtilityControlRoom-PT-Z2T3N04-LTLCardinality-02 TRUE TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA UtilityControlRoom-PT-Z2T3N04-LTLCardinality-15 TRUE TECHNIQUES TOPOLOGICAL INITIAL_STATE
Computed a total of 0 stabilizing places and 0 stable transitions
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202303021504/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!(X(F(p0)))'
Support contains 12 out of 72 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 72/72 places, 92/92 transitions.
Discarding 8 places :
Symmetric choice reduction at 0 with 8 rule applications. Total rules 8 place count 64 transition count 84
Iterating global reduction 0 with 8 rules applied. Total rules applied 16 place count 64 transition count 84
Applied a total of 16 rules in 4 ms. Remains 64 /72 variables (removed 8) and now considering 84/92 (removed 8) transitions.
// Phase 1: matrix 84 rows 64 cols
[2023-03-20 19:11:15] [INFO ] Computed 11 place invariants in 5 ms
[2023-03-20 19:11:15] [INFO ] Implicit Places using invariants in 65 ms returned [43]
Discarding 1 places :
Implicit Place search using SMT only with invariants took 67 ms to find 1 implicit places.
Starting structural reductions in LTL mode, iteration 1 : 63/72 places, 84/92 transitions.
Applied a total of 0 rules in 2 ms. Remains 63 /63 variables (removed 0) and now considering 84/84 (removed 0) transitions.
Finished structural reductions in LTL mode , in 2 iterations and 73 ms. Remains : 63/72 places, 84/92 transitions.
Stuttering acceptance computed with spot in 189 ms :[(NOT p0), (NOT p0)]
Running random walk in product with property : UtilityControlRoom-PT-Z2T3N04-LTLCardinality-04 automaton TGBA Formula[mat=[[{ cond=true, acceptance={} source=0 dest: 1}], [{ cond=(NOT p0), acceptance={0} source=1 dest: 1}]], initial=0, aps=[p0:(GT (ADD s43 s44 s45 s46) (ADD s6 s7 s8 s9 s10 s11 s12 s13))], nbAcceptance=1, properties=[trans-labels, explicit-labels, trans-acc, deterministic, no-univ-branch, unambiguous, semi-deterministic, stutter-sensitive, very-weak, weak, inherently-weak], stateDesc=[null, null][false, false]]
Product exploration explored 100000 steps with 2914 reset in 281 ms.
Stack based approach found an accepted trace after 643 steps with 20 reset with depth 27 and stack size 27 in 3 ms.
FORMULA UtilityControlRoom-PT-Z2T3N04-LTLCardinality-04 FALSE TECHNIQUES STACK_TEST
Treatment of property UtilityControlRoom-PT-Z2T3N04-LTLCardinality-04 finished in 599 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(G(p0)))))'
Support contains 4 out of 72 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 72/72 places, 92/92 transitions.
Discarding 8 places :
Symmetric choice reduction at 0 with 8 rule applications. Total rules 8 place count 64 transition count 84
Iterating global reduction 0 with 8 rules applied. Total rules applied 16 place count 64 transition count 84
Applied a total of 16 rules in 4 ms. Remains 64 /72 variables (removed 8) and now considering 84/92 (removed 8) transitions.
[2023-03-20 19:11:15] [INFO ] Invariant cache hit.
[2023-03-20 19:11:15] [INFO ] Implicit Places using invariants in 43 ms returned [43]
Discarding 1 places :
Implicit Place search using SMT only with invariants took 44 ms to find 1 implicit places.
Starting structural reductions in LTL mode, iteration 1 : 63/72 places, 84/92 transitions.
Applied a total of 0 rules in 2 ms. Remains 63 /63 variables (removed 0) and now considering 84/84 (removed 0) transitions.
Finished structural reductions in LTL mode , in 2 iterations and 50 ms. Remains : 63/72 places, 84/92 transitions.
Stuttering acceptance computed with spot in 161 ms :[true, (NOT p0), (NOT p0), (NOT p0), (NOT p0)]
Running random walk in product with property : UtilityControlRoom-PT-Z2T3N04-LTLCardinality-05 automaton TGBA Formula[mat=[[{ cond=true, acceptance={0} source=0 dest: 0}], [{ cond=(NOT p0), acceptance={} source=1 dest: 0}, { cond=p0, acceptance={} source=1 dest: 1}], [{ cond=true, acceptance={} source=2 dest: 1}], [{ cond=true, acceptance={} source=3 dest: 4}], [{ cond=true, acceptance={} source=4 dest: 2}]], initial=3, aps=[p0:(GT 1 (ADD s43 s44 s45 s46))], nbAcceptance=1, properties=[trans-labels, explicit-labels, trans-acc, complete, deterministic, no-univ-branch, unambiguous, semi-deterministic, stutter-sensitive, terminal, very-weak, weak, inherently-weak], stateDesc=[null, null, null, null, null][false, false, false, false, false]]
Entered a terminal (fully accepting) state of product in 20 steps with 0 reset in 1 ms.
FORMULA UtilityControlRoom-PT-Z2T3N04-LTLCardinality-05 FALSE TECHNIQUES STUTTER_TEST
Treatment of property UtilityControlRoom-PT-Z2T3N04-LTLCardinality-05 finished in 233 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 72 places. Attempting structural reductions.
Starting structural reductions in SI_LTL mode, iteration 0 : 72/72 places, 92/92 transitions.
Performed 16 Post agglomeration using F-continuation condition.Transition count delta: 16
Iterating post reduction 0 with 16 rules applied. Total rules applied 16 place count 72 transition count 76
Reduce places removed 16 places and 0 transitions.
Ensure Unique test removed 8 transitions
Reduce isomorphic transitions removed 8 transitions.
Iterating post reduction 1 with 24 rules applied. Total rules applied 40 place count 56 transition count 68
Performed 8 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 2 with 8 Pre rules applied. Total rules applied 40 place count 56 transition count 60
Deduced a syphon composed of 8 places in 0 ms
Reduce places removed 8 places and 0 transitions.
Iterating global reduction 2 with 16 rules applied. Total rules applied 56 place count 48 transition count 60
Discarding 1 places :
Symmetric choice reduction at 2 with 1 rule applications. Total rules 57 place count 47 transition count 52
Iterating global reduction 2 with 1 rules applied. Total rules applied 58 place count 47 transition count 52
Discarding 4 places :
Symmetric choice reduction at 2 with 4 rule applications. Total rules 62 place count 43 transition count 48
Iterating global reduction 2 with 4 rules applied. Total rules applied 66 place count 43 transition count 48
Discarding 4 places :
Symmetric choice reduction at 2 with 4 rule applications. Total rules 70 place count 39 transition count 40
Iterating global reduction 2 with 4 rules applied. Total rules applied 74 place count 39 transition count 40
Discarding 4 places :
Symmetric choice reduction at 2 with 4 rule applications. Total rules 78 place count 35 transition count 36
Iterating global reduction 2 with 4 rules applied. Total rules applied 82 place count 35 transition count 36
Ensure Unique test removed 4 transitions
Reduce isomorphic transitions removed 4 transitions.
Iterating post reduction 2 with 4 rules applied. Total rules applied 86 place count 35 transition count 32
Performed 4 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 3 with 4 Pre rules applied. Total rules applied 86 place count 35 transition count 28
Deduced a syphon composed of 4 places in 0 ms
Reduce places removed 4 places and 0 transitions.
Iterating global reduction 3 with 8 rules applied. Total rules applied 94 place count 31 transition count 28
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 3 with 8 rules applied. Total rules applied 102 place count 27 transition count 24
Applied a total of 102 rules in 25 ms. Remains 27 /72 variables (removed 45) and now considering 24/92 (removed 68) transitions.
// Phase 1: matrix 24 rows 27 cols
[2023-03-20 19:11:15] [INFO ] Computed 11 place invariants in 1 ms
[2023-03-20 19:11:15] [INFO ] Implicit Places using invariants in 39 ms returned [10]
Discarding 1 places :
Implicit Place search using SMT only with invariants took 40 ms to find 1 implicit places.
Starting structural reductions in SI_LTL mode, iteration 1 : 26/72 places, 24/92 transitions.
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 0 with 8 rules applied. Total rules applied 8 place count 22 transition count 20
Applied a total of 8 rules in 2 ms. Remains 22 /26 variables (removed 4) and now considering 20/24 (removed 4) transitions.
// Phase 1: matrix 20 rows 22 cols
[2023-03-20 19:11:15] [INFO ] Computed 10 place invariants in 1 ms
[2023-03-20 19:11:15] [INFO ] Implicit Places using invariants in 44 ms returned []
[2023-03-20 19:11:15] [INFO ] Invariant cache hit.
[2023-03-20 19:11:15] [INFO ] Implicit Places using invariants and state equation in 36 ms returned []
Implicit Place search using SMT with State Equation took 81 ms to find 0 implicit places.
Starting structural reductions in SI_LTL mode, iteration 2 : 22/72 places, 20/92 transitions.
Finished structural reductions in SI_LTL mode , in 2 iterations and 148 ms. Remains : 22/72 places, 20/92 transitions.
Stuttering acceptance computed with spot in 36 ms :[(NOT p0)]
Running random walk in product with property : UtilityControlRoom-PT-Z2T3N04-LTLCardinality-06 automaton TGBA Formula[mat=[[{ cond=p0, acceptance={} source=0 dest: 0}, { cond=(NOT p0), acceptance={0} source=0 dest: 0}]], initial=0, aps=[p0:(LEQ 2 s9)], 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 0 reset in 150 ms.
Stack based approach found an accepted trace after 31 steps with 0 reset with depth 32 and stack size 32 in 0 ms.
FORMULA UtilityControlRoom-PT-Z2T3N04-LTLCardinality-06 FALSE TECHNIQUES STACK_TEST
Treatment of property UtilityControlRoom-PT-Z2T3N04-LTLCardinality-06 finished in 349 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)||(p0&&G(F(p1))))))'
Support contains 3 out of 72 places. Attempting structural reductions.
Starting structural reductions in SI_LTL mode, iteration 0 : 72/72 places, 92/92 transitions.
Drop transitions removed 14 transitions
Trivial Post-agglo rules discarded 14 transitions
Performed 14 trivial Post agglomeration. Transition count delta: 14
Iterating post reduction 0 with 14 rules applied. Total rules applied 14 place count 72 transition count 78
Reduce places removed 14 places and 0 transitions.
Ensure Unique test removed 7 transitions
Reduce isomorphic transitions removed 7 transitions.
Iterating post reduction 1 with 21 rules applied. Total rules applied 35 place count 58 transition count 71
Performed 7 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 2 with 7 Pre rules applied. Total rules applied 35 place count 58 transition count 64
Deduced a syphon composed of 7 places in 0 ms
Reduce places removed 7 places and 0 transitions.
Iterating global reduction 2 with 14 rules applied. Total rules applied 49 place count 51 transition count 64
Discarding 1 places :
Symmetric choice reduction at 2 with 1 rule applications. Total rules 50 place count 50 transition count 63
Iterating global reduction 2 with 1 rules applied. Total rules applied 51 place count 50 transition count 63
Performed 8 Post agglomeration using F-continuation condition.Transition count delta: 8
Deduced a syphon composed of 8 places in 1 ms
Reduce places removed 8 places and 0 transitions.
Iterating global reduction 2 with 16 rules applied. Total rules applied 67 place count 42 transition count 55
Drop transitions removed 1 transitions
Redundant transition composition rules discarded 1 transitions
Iterating global reduction 2 with 1 rules applied. Total rules applied 68 place count 42 transition count 54
Discarding 1 places :
Symmetric choice reduction at 2 with 1 rule applications. Total rules 69 place count 41 transition count 46
Ensure Unique test removed 1 places
Iterating global reduction 2 with 2 rules applied. Total rules applied 71 place count 40 transition count 46
Discarding 4 places :
Symmetric choice reduction at 2 with 4 rule applications. Total rules 75 place count 36 transition count 42
Iterating global reduction 2 with 4 rules applied. Total rules applied 79 place count 36 transition count 42
Discarding 3 places :
Symmetric choice reduction at 2 with 3 rule applications. Total rules 82 place count 33 transition count 36
Iterating global reduction 2 with 3 rules applied. Total rules applied 85 place count 33 transition count 36
Discarding 3 places :
Symmetric choice reduction at 2 with 3 rule applications. Total rules 88 place count 30 transition count 33
Iterating global reduction 2 with 3 rules applied. Total rules applied 91 place count 30 transition count 33
Ensure Unique test removed 3 transitions
Reduce isomorphic transitions removed 3 transitions.
Iterating post reduction 2 with 3 rules applied. Total rules applied 94 place count 30 transition count 30
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 3 with 4 rules applied. Total rules applied 98 place count 28 transition count 28
Applied a total of 98 rules in 16 ms. Remains 28 /72 variables (removed 44) and now considering 28/92 (removed 64) transitions.
// Phase 1: matrix 28 rows 28 cols
[2023-03-20 19:11:16] [INFO ] Computed 10 place invariants in 0 ms
[2023-03-20 19:11:16] [INFO ] Implicit Places using invariants in 42 ms returned [15]
Discarding 1 places :
Implicit Place search using SMT only with invariants took 43 ms to find 1 implicit places.
Starting structural reductions in SI_LTL mode, iteration 1 : 27/72 places, 28/92 transitions.
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 0 with 8 rules applied. Total rules applied 8 place count 23 transition count 24
Applied a total of 8 rules in 2 ms. Remains 23 /27 variables (removed 4) and now considering 24/28 (removed 4) transitions.
// Phase 1: matrix 24 rows 23 cols
[2023-03-20 19:11:16] [INFO ] Computed 9 place invariants in 17 ms
[2023-03-20 19:11:16] [INFO ] Implicit Places using invariants in 46 ms returned []
[2023-03-20 19:11:16] [INFO ] Invariant cache hit.
[2023-03-20 19:11:16] [INFO ] Implicit Places using invariants and state equation in 57 ms returned []
Implicit Place search using SMT with State Equation took 105 ms to find 0 implicit places.
Starting structural reductions in SI_LTL mode, iteration 2 : 23/72 places, 24/92 transitions.
Finished structural reductions in SI_LTL mode , in 2 iterations and 166 ms. Remains : 23/72 places, 24/92 transitions.
Stuttering acceptance computed with spot in 183 ms :[(NOT p0), (AND (NOT p1) (NOT p0)), (AND (NOT p1) (NOT p0)), (NOT p0)]
Running random walk in product with property : UtilityControlRoom-PT-Z2T3N04-LTLCardinality-09 automaton TGBA Formula[mat=[[{ cond=(AND (NOT p1) (NOT p0)), acceptance={} source=0 dest: 1}, { cond=true, acceptance={} source=0 dest: 2}, { cond=(NOT p0), acceptance={} source=0 dest: 3}], [{ cond=(AND (NOT p1) p0), acceptance={} source=1 dest: 1}, { cond=(AND (NOT p1) (NOT p0)), acceptance={0} source=1 dest: 1}], [{ cond=(AND (NOT p1) (NOT p0)), acceptance={} source=2 dest: 1}, { cond=true, acceptance={} source=2 dest: 2}], [{ cond=(NOT p0), acceptance={0} source=3 dest: 3}]], initial=0, aps=[p1:(GT 1 s18), p0:(GT s10 s14)], 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 4463 reset in 208 ms.
Stack based approach found an accepted trace after 9 steps with 0 reset with depth 10 and stack size 10 in 0 ms.
FORMULA UtilityControlRoom-PT-Z2T3N04-LTLCardinality-09 FALSE TECHNIQUES STACK_TEST
Treatment of property UtilityControlRoom-PT-Z2T3N04-LTLCardinality-09 finished in 577 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(F(p0))||G(p1))))'
Support contains 4 out of 72 places. Attempting structural reductions.
Starting structural reductions in SI_LTL mode, iteration 0 : 72/72 places, 92/92 transitions.
Drop transitions removed 15 transitions
Trivial Post-agglo rules discarded 15 transitions
Performed 15 trivial Post agglomeration. Transition count delta: 15
Iterating post reduction 0 with 15 rules applied. Total rules applied 15 place count 72 transition count 77
Reduce places removed 15 places and 0 transitions.
Ensure Unique test removed 7 transitions
Reduce isomorphic transitions removed 7 transitions.
Iterating post reduction 1 with 22 rules applied. Total rules applied 37 place count 57 transition count 70
Performed 8 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 2 with 8 Pre rules applied. Total rules applied 37 place count 57 transition count 62
Deduced a syphon composed of 8 places in 0 ms
Reduce places removed 8 places and 0 transitions.
Iterating global reduction 2 with 16 rules applied. Total rules applied 53 place count 49 transition count 62
Performed 7 Post agglomeration using F-continuation condition.Transition count delta: 7
Deduced a syphon composed of 7 places in 0 ms
Reduce places removed 7 places and 0 transitions.
Iterating global reduction 2 with 14 rules applied. Total rules applied 67 place count 42 transition count 55
Applied a total of 67 rules in 9 ms. Remains 42 /72 variables (removed 30) and now considering 55/92 (removed 37) transitions.
// Phase 1: matrix 55 rows 42 cols
[2023-03-20 19:11:16] [INFO ] Computed 11 place invariants in 1 ms
[2023-03-20 19:11:16] [INFO ] Implicit Places using invariants in 42 ms returned [23, 24]
Discarding 2 places :
Implicit Place search using SMT only with invariants took 44 ms to find 2 implicit places.
Starting structural reductions in SI_LTL mode, iteration 1 : 40/72 places, 55/92 transitions.
Performed 5 Post agglomeration using F-continuation condition.Transition count delta: 5
Deduced a syphon composed of 5 places in 0 ms
Reduce places removed 5 places and 0 transitions.
Iterating global reduction 0 with 10 rules applied. Total rules applied 10 place count 35 transition count 50
Applied a total of 10 rules in 3 ms. Remains 35 /40 variables (removed 5) and now considering 50/55 (removed 5) transitions.
// Phase 1: matrix 50 rows 35 cols
[2023-03-20 19:11:16] [INFO ] Computed 9 place invariants in 0 ms
[2023-03-20 19:11:16] [INFO ] Implicit Places using invariants in 30 ms returned []
[2023-03-20 19:11:16] [INFO ] Invariant cache hit.
[2023-03-20 19:11:16] [INFO ] Implicit Places using invariants and state equation in 37 ms returned []
Implicit Place search using SMT with State Equation took 70 ms to find 0 implicit places.
Starting structural reductions in SI_LTL mode, iteration 2 : 35/72 places, 50/92 transitions.
Finished structural reductions in SI_LTL mode , in 2 iterations and 127 ms. Remains : 35/72 places, 50/92 transitions.
Stuttering acceptance computed with spot in 75 ms :[(AND (NOT p1) (NOT p0)), (AND (NOT p1) (NOT p0))]
Running random walk in product with property : UtilityControlRoom-PT-Z2T3N04-LTLCardinality-11 automaton TGBA Formula[mat=[[{ cond=true, acceptance={} source=0 dest: 0}, { cond=(AND (NOT p1) (NOT p0)), acceptance={} source=0 dest: 1}], [{ cond=(AND p1 (NOT p0)), acceptance={} source=1 dest: 1}, { cond=(AND (NOT p1) (NOT p0)), acceptance={0} source=1 dest: 1}]], initial=0, aps=[p1:(GT s34 s22), p0:(GT s29 s23)], nbAcceptance=1, properties=[trans-labels, explicit-labels, trans-acc, no-univ-branch, stutter-invariant], stateDesc=[null, null][true, true]]
Product exploration explored 100000 steps with 6340 reset in 142 ms.
Stack based approach found an accepted trace after 44 steps with 2 reset with depth 20 and stack size 20 in 0 ms.
FORMULA UtilityControlRoom-PT-Z2T3N04-LTLCardinality-11 FALSE TECHNIQUES STACK_TEST
Treatment of property UtilityControlRoom-PT-Z2T3N04-LTLCardinality-11 finished in 360 ms.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202303021504/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!((G(p0)||G(!p1)||X(p1)))'
Support contains 2 out of 72 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 72/72 places, 92/92 transitions.
Discarding 8 places :
Symmetric choice reduction at 0 with 8 rule applications. Total rules 8 place count 64 transition count 84
Iterating global reduction 0 with 8 rules applied. Total rules applied 16 place count 64 transition count 84
Applied a total of 16 rules in 4 ms. Remains 64 /72 variables (removed 8) and now considering 84/92 (removed 8) transitions.
// Phase 1: matrix 84 rows 64 cols
[2023-03-20 19:11:17] [INFO ] Computed 11 place invariants in 3 ms
[2023-03-20 19:11:17] [INFO ] Implicit Places using invariants in 40 ms returned []
[2023-03-20 19:11:17] [INFO ] Invariant cache hit.
[2023-03-20 19:11:17] [INFO ] Implicit Places using invariants and state equation in 70 ms returned []
Implicit Place search using SMT with State Equation took 112 ms to find 0 implicit places.
[2023-03-20 19:11:17] [INFO ] Invariant cache hit.
[2023-03-20 19:11:17] [INFO ] Dead Transitions using invariants and state equation in 62 ms found 0 transitions.
Starting structural reductions in LTL mode, iteration 1 : 64/72 places, 84/92 transitions.
Finished structural reductions in LTL mode , in 1 iterations and 178 ms. Remains : 64/72 places, 84/92 transitions.
Stuttering acceptance computed with spot in 347 ms :[true, (NOT p1), false, (AND (NOT p0) (NOT p1)), p1, (AND p1 (NOT p0)), (NOT p0), false, false]
Running random walk in product with property : UtilityControlRoom-PT-Z2T3N04-LTLCardinality-12 automaton TGBA Formula[mat=[[{ cond=true, acceptance={0} source=0 dest: 0}], [{ cond=(NOT p1), acceptance={} source=1 dest: 0}], [{ cond=(AND (NOT p0) p1), acceptance={} source=2 dest: 1}, { cond=(AND p0 p1), acceptance={} source=2 dest: 3}, { cond=(AND (NOT p0) (NOT p1)), acceptance={} source=2 dest: 7}, { cond=(AND p0 (NOT p1)), acceptance={} source=2 dest: 8}], [{ cond=(AND (NOT p0) (NOT p1)), acceptance={} source=3 dest: 0}, { cond=(AND p0 (NOT p1)), acceptance={} source=3 dest: 6}], [{ cond=p1, acceptance={} source=4 dest: 0}, { cond=(NOT p1), acceptance={} source=4 dest: 4}], [{ cond=(AND (NOT p0) p1), acceptance={} source=5 dest: 0}, { cond=(AND (NOT p0) (NOT p1)), acceptance={} source=5 dest: 4}, { cond=(AND p0 (NOT p1)), acceptance={} source=5 dest: 5}, { cond=(AND p0 p1), acceptance={} source=5 dest: 6}], [{ cond=(NOT p0), acceptance={} source=6 dest: 0}, { cond=p0, acceptance={} source=6 dest: 6}], [{ cond=(NOT p1), acceptance={} source=7 dest: 4}], [{ cond=(AND (NOT p0) (NOT p1)), acceptance={} source=8 dest: 4}, { cond=(AND p0 (NOT p1)), acceptance={} source=8 dest: 5}]], initial=2, aps=[p1:(GT 2 s43), p0:(LEQ s43 s12)], 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, null, null][false, false, false, false, false, false, false, false, false]]
Product exploration explored 100000 steps with 50000 reset in 152 ms.
Product exploration explored 100000 steps with 50000 reset in 173 ms.
Computed a total of 0 stabilizing places and 0 stable transitions
Computed a total of 0 stabilizing places and 0 stable transitions
Knowledge obtained : [(AND p1 p0), (X (NOT (AND (NOT p0) (NOT p1)))), (X (NOT (AND p0 (NOT p1)))), (X p1), true, (X (X (NOT (AND p0 (NOT p1)))))]
False Knowledge obtained : [(X (X (AND (NOT p0) (NOT p1)))), (X (X (NOT (AND (NOT p0) (NOT p1))))), (X (X (NOT p0))), (X (X p0)), (X (X (AND (NOT p0) p1))), (X (X (NOT (AND (NOT p0) p1)))), (X (X (AND p0 p1))), (X (X (NOT (AND p0 p1)))), (X (X p1)), (X (X (NOT p1)))]
Property proved to be true thanks to knowledge :(X (NOT (AND p0 (NOT p1))))
Knowledge based reduction with 6 factoid took 319 ms. Reduced automaton from 9 states, 19 edges and 2 AP (stutter sensitive) to 1 states, 0 edges and 0 AP (stutter insensitive).
FORMULA UtilityControlRoom-PT-Z2T3N04-LTLCardinality-12 TRUE TECHNIQUES KNOWLEDGE
Treatment of property UtilityControlRoom-PT-Z2T3N04-LTLCardinality-12 finished in 1199 ms.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202303021504/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!(G(F(p0)))'
Support contains 2 out of 72 places. Attempting structural reductions.
Starting structural reductions in SI_LTL mode, iteration 0 : 72/72 places, 92/92 transitions.
Drop transitions removed 14 transitions
Trivial Post-agglo rules discarded 14 transitions
Performed 14 trivial Post agglomeration. Transition count delta: 14
Iterating post reduction 0 with 14 rules applied. Total rules applied 14 place count 72 transition count 78
Reduce places removed 14 places and 0 transitions.
Ensure Unique test removed 7 transitions
Reduce isomorphic transitions removed 7 transitions.
Iterating post reduction 1 with 21 rules applied. Total rules applied 35 place count 58 transition count 71
Performed 6 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 2 with 6 Pre rules applied. Total rules applied 35 place count 58 transition count 65
Deduced a syphon composed of 6 places in 1 ms
Reduce places removed 6 places and 0 transitions.
Iterating global reduction 2 with 12 rules applied. Total rules applied 47 place count 52 transition count 65
Discarding 1 places :
Symmetric choice reduction at 2 with 1 rule applications. Total rules 48 place count 51 transition count 64
Iterating global reduction 2 with 1 rules applied. Total rules applied 49 place count 51 transition count 64
Performed 8 Post agglomeration using F-continuation condition.Transition count delta: 8
Deduced a syphon composed of 8 places in 0 ms
Reduce places removed 8 places and 0 transitions.
Iterating global reduction 2 with 16 rules applied. Total rules applied 65 place count 43 transition count 56
Drop transitions removed 1 transitions
Redundant transition composition rules discarded 1 transitions
Iterating global reduction 2 with 1 rules applied. Total rules applied 66 place count 43 transition count 55
Discarding 1 places :
Symmetric choice reduction at 2 with 1 rule applications. Total rules 67 place count 42 transition count 47
Ensure Unique test removed 1 places
Iterating global reduction 2 with 2 rules applied. Total rules applied 69 place count 41 transition count 47
Discarding 4 places :
Symmetric choice reduction at 2 with 4 rule applications. Total rules 73 place count 37 transition count 43
Iterating global reduction 2 with 4 rules applied. Total rules applied 77 place count 37 transition count 43
Discarding 3 places :
Symmetric choice reduction at 2 with 3 rule applications. Total rules 80 place count 34 transition count 37
Iterating global reduction 2 with 3 rules applied. Total rules applied 83 place count 34 transition count 37
Discarding 2 places :
Symmetric choice reduction at 2 with 2 rule applications. Total rules 85 place count 32 transition count 35
Iterating global reduction 2 with 2 rules applied. Total rules applied 87 place count 32 transition count 35
Ensure Unique test removed 2 transitions
Reduce isomorphic transitions removed 2 transitions.
Iterating post reduction 2 with 2 rules applied. Total rules applied 89 place count 32 transition count 33
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 3 with 4 rules applied. Total rules applied 93 place count 30 transition count 31
Applied a total of 93 rules in 17 ms. Remains 30 /72 variables (removed 42) and now considering 31/92 (removed 61) transitions.
// Phase 1: matrix 31 rows 30 cols
[2023-03-20 19:11:18] [INFO ] Computed 10 place invariants in 1 ms
[2023-03-20 19:11:18] [INFO ] Implicit Places using invariants in 31 ms returned [17]
Discarding 1 places :
Implicit Place search using SMT only with invariants took 33 ms to find 1 implicit places.
Starting structural reductions in SI_LTL mode, iteration 1 : 29/72 places, 31/92 transitions.
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 0 with 8 rules applied. Total rules applied 8 place count 25 transition count 27
Applied a total of 8 rules in 2 ms. Remains 25 /29 variables (removed 4) and now considering 27/31 (removed 4) transitions.
// Phase 1: matrix 27 rows 25 cols
[2023-03-20 19:11:18] [INFO ] Computed 9 place invariants in 1 ms
[2023-03-20 19:11:18] [INFO ] Implicit Places using invariants in 24 ms returned []
[2023-03-20 19:11:18] [INFO ] Invariant cache hit.
[2023-03-20 19:11:18] [INFO ] Implicit Places using invariants and state equation in 33 ms returned []
Implicit Place search using SMT with State Equation took 58 ms to find 0 implicit places.
Starting structural reductions in SI_LTL mode, iteration 2 : 25/72 places, 27/92 transitions.
Finished structural reductions in SI_LTL mode , in 2 iterations and 110 ms. Remains : 25/72 places, 27/92 transitions.
Stuttering acceptance computed with spot in 74 ms :[(NOT p0), (NOT p0)]
Running random walk in product with property : UtilityControlRoom-PT-Z2T3N04-LTLCardinality-14 automaton TGBA Formula[mat=[[{ cond=true, acceptance={} source=0 dest: 0}, { cond=(NOT p0), acceptance={} source=0 dest: 1}], [{ cond=(NOT p0), acceptance={0} source=1 dest: 1}]], initial=0, aps=[p0:(LEQ s12 s16)], nbAcceptance=1, properties=[trans-labels, explicit-labels, trans-acc, no-univ-branch, stutter-invariant, very-weak, weak, inherently-weak], stateDesc=[null, null][true, true]]
Product exploration explored 100000 steps with 2136 reset in 113 ms.
Stack based approach found an accepted trace after 1000 steps with 19 reset with depth 37 and stack size 34 in 1 ms.
FORMULA UtilityControlRoom-PT-Z2T3N04-LTLCardinality-14 FALSE TECHNIQUES STACK_TEST
Treatment of property UtilityControlRoom-PT-Z2T3N04-LTLCardinality-14 finished in 312 ms.
All properties solved by simple procedures.
Total runtime 5482 ms.
ITS solved all properties within timeout

BK_STOP 1679339479432

--------------------
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-Z2T3N04"
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-Z2T3N04, 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-167912707701091"
echo "====================================================================="
echo
echo "--------------------"
echo "preparation of the directory to be used:"

tar xzf /home/mcc/BenchKit/INPUTS/UtilityControlRoom-PT-Z2T3N04.tgz
mv UtilityControlRoom-PT-Z2T3N04 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 ;