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.r263-smll-167863537900244.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 lolaxred
Input is NoC3x3-PT-2A, examination is LTLFireability
Time confinement is 3600 seconds
Memory confinement is 16384 MBytes
Number of cores is 4
Run identifier is r263-smll-167863537900244
=====================================================================

--------------------
preparation of the directory to be used:
/home/mcc/execution
total 532K
-rw-r--r-- 1 mcc users 7.5K Feb 26 10:03 CTLCardinality.txt
-rw-r--r-- 1 mcc users 83K Feb 26 10:03 CTLCardinality.xml
-rw-r--r-- 1 mcc users 4.8K Feb 26 10:02 CTLFireability.txt
-rw-r--r-- 1 mcc users 43K Feb 26 10:02 CTLFireability.xml
-rw-r--r-- 1 mcc users 4.2K Jan 29 11:40 GenericPropertiesDefinition.xml
-rw-r--r-- 1 mcc users 6.1K Jan 29 11:40 GenericPropertiesVerdict.xml
-rw-r--r-- 1 mcc users 3.4K Feb 25 16:28 LTLCardinality.txt
-rw-r--r-- 1 mcc users 24K Feb 25 16:28 LTLCardinality.xml
-rw-r--r-- 1 mcc users 2.1K Feb 25 16:28 LTLFireability.txt
-rw-r--r-- 1 mcc users 16K Feb 25 16:28 LTLFireability.xml
-rw-r--r-- 1 mcc users 7.9K Feb 26 10:05 ReachabilityCardinality.txt
-rw-r--r-- 1 mcc users 78K Feb 26 10:05 ReachabilityCardinality.xml
-rw-r--r-- 1 mcc users 8.3K Feb 26 10:04 ReachabilityFireability.txt
-rw-r--r-- 1 mcc users 73K Feb 26 10:04 ReachabilityFireability.xml
-rw-r--r-- 1 mcc users 1.5K Feb 25 16:28 UpperBounds.txt
-rw-r--r-- 1 mcc users 3.6K Feb 25 16:28 UpperBounds.xml
-rw-r--r-- 1 mcc users 6 Mar 5 18:23 equiv_col
-rw-r--r-- 1 mcc users 3 Mar 5 18:23 instance
-rw-r--r-- 1 mcc users 6 Mar 5 18:23 iscolored
-rw-r--r-- 1 mcc users 127K 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 NoC3x3-PT-2A-LTLFireability-00
FORMULA_NAME NoC3x3-PT-2A-LTLFireability-01
FORMULA_NAME NoC3x3-PT-2A-LTLFireability-02
FORMULA_NAME NoC3x3-PT-2A-LTLFireability-03
FORMULA_NAME NoC3x3-PT-2A-LTLFireability-04
FORMULA_NAME NoC3x3-PT-2A-LTLFireability-05
FORMULA_NAME NoC3x3-PT-2A-LTLFireability-06
FORMULA_NAME NoC3x3-PT-2A-LTLFireability-07
FORMULA_NAME NoC3x3-PT-2A-LTLFireability-08
FORMULA_NAME NoC3x3-PT-2A-LTLFireability-09
FORMULA_NAME NoC3x3-PT-2A-LTLFireability-10
FORMULA_NAME NoC3x3-PT-2A-LTLFireability-11
FORMULA_NAME NoC3x3-PT-2A-LTLFireability-12
FORMULA_NAME NoC3x3-PT-2A-LTLFireability-13
FORMULA_NAME NoC3x3-PT-2A-LTLFireability-14
FORMULA_NAME NoC3x3-PT-2A-LTLFireability-15

=== Now, execution of the tool begins

BK_START 1678751951717

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=NoC3x3-PT-2A
Applying reductions before tool lola
Invoking reducer
Running Version 202303021504
[2023-03-13 23:59:14] [INFO ] Running its-tools with arguments : [-pnfolder, /home/mcc/execution, -examination, LTLFireability, -timeout, 360, -rebuildPNML]
[2023-03-13 23:59:14] [INFO ] Parsing pnml file : /home/mcc/execution/model.pnml
[2023-03-13 23:59:14] [INFO ] Load time of PNML (sax parser for PT used): 130 ms
[2023-03-13 23:59:14] [INFO ] Transformed 361 places.
[2023-03-13 23:59:14] [INFO ] Transformed 428 transitions.
[2023-03-13 23:59:14] [INFO ] Found NUPN structural information;
[2023-03-13 23:59:14] [INFO ] Parsed PT model containing 361 places and 428 transitions and 1697 arcs in 243 ms.
Parsed 16 properties from file /home/mcc/execution/LTLFireability.xml in 10 ms.
Working with output stream class java.io.PrintStream
Initial state reduction rules removed 3 formulas.
FORMULA NoC3x3-PT-2A-LTLFireability-07 FALSE TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA NoC3x3-PT-2A-LTLFireability-12 TRUE TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA NoC3x3-PT-2A-LTLFireability-13 FALSE TECHNIQUES TOPOLOGICAL INITIAL_STATE
Support contains 37 out of 361 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 361/361 places, 428/428 transitions.
Ensure Unique test removed 24 places
Iterating post reduction 0 with 24 rules applied. Total rules applied 24 place count 337 transition count 428
Discarding 96 places :
Symmetric choice reduction at 1 with 96 rule applications. Total rules 120 place count 241 transition count 309
Ensure Unique test removed 34 places
Iterating global reduction 1 with 130 rules applied. Total rules applied 250 place count 207 transition count 309
Ensure Unique test removed 59 transitions
Reduce isomorphic transitions removed 59 transitions.
Iterating post reduction 1 with 59 rules applied. Total rules applied 309 place count 207 transition count 250
Drop transitions removed 20 transitions
Redundant transition composition rules discarded 20 transitions
Iterating global reduction 2 with 20 rules applied. Total rules applied 329 place count 207 transition count 230
Reduce places removed 6 places and 0 transitions.
Iterating post reduction 2 with 6 rules applied. Total rules applied 335 place count 201 transition count 230
Applied a total of 335 rules in 75 ms. Remains 201 /361 variables (removed 160) and now considering 230/428 (removed 198) transitions.
[2023-03-13 23:59:15] [INFO ] Flow matrix only has 221 transitions (discarded 9 similar events)
// Phase 1: matrix 221 rows 201 cols
[2023-03-13 23:59:15] [INFO ] Computed 63 place invariants in 21 ms
[2023-03-13 23:59:15] [INFO ] Implicit Places using invariants in 393 ms returned [7, 47, 153]
Discarding 3 places :
Implicit Place search using SMT only with invariants took 438 ms to find 3 implicit places.
Starting structural reductions in LTL mode, iteration 1 : 198/361 places, 230/428 transitions.
Applied a total of 0 rules in 8 ms. Remains 198 /198 variables (removed 0) and now considering 230/230 (removed 0) transitions.
Finished structural reductions in LTL mode , in 2 iterations and 521 ms. Remains : 198/361 places, 230/428 transitions.
Support contains 37 out of 198 places after structural reductions.
[2023-03-13 23:59:15] [INFO ] Flatten gal took : 76 ms
[2023-03-13 23:59:15] [INFO ] Flatten gal took : 33 ms
[2023-03-13 23:59:16] [INFO ] Input system was already deterministic with 230 transitions.
Incomplete random walk after 10000 steps, including 2 resets, run finished after 293 ms. (steps per millisecond=34 ) properties (out of 23) seen :22
Incomplete Best-First random walk after 10001 steps, including 2 resets, run finished after 26 ms. (steps per millisecond=384 ) properties (out of 1) seen :0
Running SMT prover for 1 properties.
[2023-03-13 23:59:16] [INFO ] Flow matrix only has 221 transitions (discarded 9 similar events)
// Phase 1: matrix 221 rows 198 cols
[2023-03-13 23:59:16] [INFO ] Computed 60 place invariants in 14 ms
[2023-03-13 23:59:16] [INFO ] After 133ms SMT Verify possible using all constraints in real domain returned unsat :0 sat :0 real:1
[2023-03-13 23:59:16] [INFO ] [Nat]Absence check using 57 positive place invariants in 19 ms returned sat
[2023-03-13 23:59:16] [INFO ] [Nat]Absence check using 57 positive and 3 generalized place invariants in 1 ms returned sat
[2023-03-13 23:59:16] [INFO ] After 108ms SMT Verify possible using all constraints in natural domain returned unsat :1 sat :0
Fused 1 Parikh solutions to 0 different solutions.
Parikh walk visited 0 properties in 0 ms.
FORMULA NoC3x3-PT-2A-LTLFireability-15 FALSE TECHNIQUES REACHABILITY_KNOWLEDGE
Successfully simplified 1 atomic propositions for a total of 12 simplifications.
FORMULA NoC3x3-PT-2A-LTLFireability-02 TRUE TECHNIQUES TOPOLOGICAL INITIAL_STATE
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' '!(X((F(G(p0))&&G(p1))))'
Support contains 4 out of 198 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 198/198 places, 230/230 transitions.
Discarding 8 places :
Symmetric choice reduction at 0 with 8 rule applications. Total rules 8 place count 190 transition count 221
Ensure Unique test removed 2 places
Iterating global reduction 0 with 10 rules applied. Total rules applied 18 place count 188 transition count 221
Ensure Unique test removed 3 transitions
Reduce isomorphic transitions removed 3 transitions.
Iterating post reduction 0 with 3 rules applied. Total rules applied 21 place count 188 transition count 218
Applied a total of 21 rules in 22 ms. Remains 188 /198 variables (removed 10) and now considering 218/230 (removed 12) transitions.
[2023-03-13 23:59:17] [INFO ] Flow matrix only has 210 transitions (discarded 8 similar events)
// Phase 1: matrix 210 rows 188 cols
[2023-03-13 23:59:17] [INFO ] Computed 58 place invariants in 3 ms
[2023-03-13 23:59:17] [INFO ] Implicit Places using invariants in 133 ms returned []
[2023-03-13 23:59:17] [INFO ] Flow matrix only has 210 transitions (discarded 8 similar events)
[2023-03-13 23:59:17] [INFO ] Invariant cache hit.
[2023-03-13 23:59:17] [INFO ] State equation strengthened by 10 read => feed constraints.
[2023-03-13 23:59:17] [INFO ] Implicit Places using invariants and state equation in 323 ms returned []
Implicit Place search using SMT with State Equation took 459 ms to find 0 implicit places.
[2023-03-13 23:59:17] [INFO ] Flow matrix only has 210 transitions (discarded 8 similar events)
[2023-03-13 23:59:17] [INFO ] Invariant cache hit.
[2023-03-13 23:59:17] [INFO ] Dead Transitions using invariants and state equation in 268 ms found 0 transitions.
Starting structural reductions in LTL mode, iteration 1 : 188/198 places, 218/230 transitions.
Finished structural reductions in LTL mode , in 1 iterations and 750 ms. Remains : 188/198 places, 218/230 transitions.
Stuttering acceptance computed with spot in 330 ms :[(OR (NOT p1) (NOT p0)), (OR (NOT p1) (NOT p0)), true, (NOT p0)]
Running random walk in product with property : NoC3x3-PT-2A-LTLFireability-00 automaton TGBA Formula[mat=[[{ cond=true, acceptance={} source=0 dest: 1}], [{ cond=p1, acceptance={} source=1 dest: 1}, { cond=(NOT p1), acceptance={} source=1 dest: 2}, { cond=(AND p1 (NOT p0)), acceptance={} source=1 dest: 3}], [{ cond=true, acceptance={0} source=2 dest: 2}], [{ cond=p0, acceptance={} source=3 dest: 3}, { cond=(NOT p0), acceptance={0} source=3 dest: 3}]], initial=0, aps=[p1:(OR (NEQ s116 1) (NEQ s129 1)), p0:(OR (EQ s31 0) (EQ s78 0))], nbAcceptance=1, properties=[trans-labels, explicit-labels, trans-acc, complete, no-univ-branch, stutter-sensitive], stateDesc=[null, null, null, null][false, false, false, false]]
Stuttering criterion allowed to conclude after 1133 steps with 0 reset in 27 ms.
FORMULA NoC3x3-PT-2A-LTLFireability-00 FALSE TECHNIQUES STUTTER_TEST
Treatment of property NoC3x3-PT-2A-LTLFireability-00 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' '!(X((F(!p0) U p1)))'
Support contains 4 out of 198 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 198/198 places, 230/230 transitions.
Discarding 9 places :
Symmetric choice reduction at 0 with 9 rule applications. Total rules 9 place count 189 transition count 220
Ensure Unique test removed 2 places
Iterating global reduction 0 with 11 rules applied. Total rules applied 20 place count 187 transition count 220
Ensure Unique test removed 3 transitions
Reduce isomorphic transitions removed 3 transitions.
Iterating post reduction 0 with 3 rules applied. Total rules applied 23 place count 187 transition count 217
Applied a total of 23 rules in 11 ms. Remains 187 /198 variables (removed 11) and now considering 217/230 (removed 13) transitions.
[2023-03-13 23:59:18] [INFO ] Flow matrix only has 209 transitions (discarded 8 similar events)
// Phase 1: matrix 209 rows 187 cols
[2023-03-13 23:59:18] [INFO ] Computed 58 place invariants in 2 ms
[2023-03-13 23:59:18] [INFO ] Implicit Places using invariants in 143 ms returned []
[2023-03-13 23:59:18] [INFO ] Flow matrix only has 209 transitions (discarded 8 similar events)
[2023-03-13 23:59:18] [INFO ] Invariant cache hit.
[2023-03-13 23:59:18] [INFO ] State equation strengthened by 10 read => feed constraints.
[2023-03-13 23:59:18] [INFO ] Implicit Places using invariants and state equation in 402 ms returned []
Implicit Place search using SMT with State Equation took 549 ms to find 0 implicit places.
[2023-03-13 23:59:18] [INFO ] Flow matrix only has 209 transitions (discarded 8 similar events)
[2023-03-13 23:59:18] [INFO ] Invariant cache hit.
[2023-03-13 23:59:19] [INFO ] Dead Transitions using invariants and state equation in 254 ms found 0 transitions.
Starting structural reductions in LTL mode, iteration 1 : 187/198 places, 217/230 transitions.
Finished structural reductions in LTL mode , in 1 iterations and 827 ms. Remains : 187/198 places, 217/230 transitions.
Stuttering acceptance computed with spot in 149 ms :[(NOT p1), (NOT p1), p0]
Running random walk in product with property : NoC3x3-PT-2A-LTLFireability-01 automaton TGBA Formula[mat=[[{ cond=true, acceptance={} source=0 dest: 1}], [{ cond=(NOT p1), acceptance={} source=1 dest: 1}, { cond=(AND (NOT p1) p0), acceptance={} source=1 dest: 2}], [{ cond=p0, acceptance={} source=2 dest: 2}]], initial=0, aps=[p1:(AND (EQ s113 1) (EQ s127 1)), p0:(AND (EQ s23 1) (EQ s28 1))], nbAcceptance=0, properties=[trans-labels, explicit-labels, trans-acc, no-univ-branch, stutter-sensitive, very-weak, weak, inherently-weak], stateDesc=[null, null, null][false, false, false]]
Stuttering criterion allowed to conclude after 1 steps with 0 reset in 0 ms.
FORMULA NoC3x3-PT-2A-LTLFireability-01 FALSE TECHNIQUES STUTTER_TEST
Treatment of property NoC3x3-PT-2A-LTLFireability-01 finished in 1004 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 U (p1||G(!p0))))))'
Support contains 4 out of 198 places. Attempting structural reductions.
Starting structural reductions in SI_LTL mode, iteration 0 : 198/198 places, 230/230 transitions.
Drop transitions removed 49 transitions
Trivial Post-agglo rules discarded 49 transitions
Performed 49 trivial Post agglomeration. Transition count delta: 49
Iterating post reduction 0 with 49 rules applied. Total rules applied 49 place count 198 transition count 181
Reduce places removed 49 places and 0 transitions.
Performed 9 Post agglomeration using F-continuation condition.Transition count delta: 9
Iterating post reduction 1 with 58 rules applied. Total rules applied 107 place count 149 transition count 172
Reduce places removed 9 places and 0 transitions.
Iterating post reduction 2 with 9 rules applied. Total rules applied 116 place count 140 transition count 172
Discarding 10 places :
Symmetric choice reduction at 3 with 10 rule applications. Total rules 126 place count 130 transition count 161
Ensure Unique test removed 3 places
Iterating global reduction 3 with 13 rules applied. Total rules applied 139 place count 127 transition count 161
Ensure Unique test removed 4 transitions
Reduce isomorphic transitions removed 4 transitions.
Drop transitions removed 3 transitions
Trivial Post-agglo rules discarded 3 transitions
Performed 3 trivial Post agglomeration. Transition count delta: 3
Iterating post reduction 3 with 7 rules applied. Total rules applied 146 place count 127 transition count 154
Reduce places removed 3 places and 0 transitions.
Iterating post reduction 4 with 3 rules applied. Total rules applied 149 place count 124 transition count 154
Applied a total of 149 rules in 57 ms. Remains 124 /198 variables (removed 74) and now considering 154/230 (removed 76) transitions.
[2023-03-13 23:59:19] [INFO ] Flow matrix only has 146 transitions (discarded 8 similar events)
// Phase 1: matrix 146 rows 124 cols
[2023-03-13 23:59:19] [INFO ] Computed 57 place invariants in 2 ms
[2023-03-13 23:59:19] [INFO ] Implicit Places using invariants in 144 ms returned []
[2023-03-13 23:59:19] [INFO ] Flow matrix only has 146 transitions (discarded 8 similar events)
[2023-03-13 23:59:19] [INFO ] Invariant cache hit.
[2023-03-13 23:59:19] [INFO ] State equation strengthened by 34 read => feed constraints.
[2023-03-13 23:59:19] [INFO ] Implicit Places using invariants and state equation in 259 ms returned []
Implicit Place search using SMT with State Equation took 407 ms to find 0 implicit places.
[2023-03-13 23:59:19] [INFO ] Redundant transitions in 9 ms returned []
[2023-03-13 23:59:19] [INFO ] Flow matrix only has 146 transitions (discarded 8 similar events)
[2023-03-13 23:59:19] [INFO ] Invariant cache hit.
[2023-03-13 23:59:19] [INFO ] Dead Transitions using invariants and state equation in 162 ms found 0 transitions.
Starting structural reductions in SI_LTL mode, iteration 1 : 124/198 places, 154/230 transitions.
Finished structural reductions in SI_LTL mode , in 1 iterations and 651 ms. Remains : 124/198 places, 154/230 transitions.
Stuttering acceptance computed with spot in 138 ms :[(AND (NOT p1) p0), (AND (NOT p1) p0)]
Running random walk in product with property : NoC3x3-PT-2A-LTLFireability-03 automaton TGBA Formula[mat=[[{ cond=true, acceptance={} source=0 dest: 0}, { cond=(AND (NOT p1) p0), acceptance={} source=0 dest: 1}], [{ cond=(AND (NOT p1) (NOT p0)), acceptance={} source=1 dest: 1}, { cond=(AND (NOT p1) p0), acceptance={0} source=1 dest: 1}]], initial=0, aps=[p1:(AND (NOT (AND (EQ s104 1) (EQ s109 1))) (NOT (AND (EQ s55 1) (EQ s70 1)))), p0:(AND (EQ s55 1) (EQ s70 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 248 steps with 0 reset in 6 ms.
FORMULA NoC3x3-PT-2A-LTLFireability-03 FALSE TECHNIQUES STUTTER_TEST
Treatment of property NoC3x3-PT-2A-LTLFireability-03 finished in 811 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 3 out of 198 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 198/198 places, 230/230 transitions.
Discarding 9 places :
Symmetric choice reduction at 0 with 9 rule applications. Total rules 9 place count 189 transition count 221
Ensure Unique test removed 3 places
Iterating global reduction 0 with 12 rules applied. Total rules applied 21 place count 186 transition count 221
Ensure Unique test removed 4 transitions
Reduce isomorphic transitions removed 4 transitions.
Iterating post reduction 0 with 4 rules applied. Total rules applied 25 place count 186 transition count 217
Applied a total of 25 rules in 9 ms. Remains 186 /198 variables (removed 12) and now considering 217/230 (removed 13) transitions.
[2023-03-13 23:59:20] [INFO ] Flow matrix only has 208 transitions (discarded 9 similar events)
// Phase 1: matrix 208 rows 186 cols
[2023-03-13 23:59:20] [INFO ] Computed 57 place invariants in 4 ms
[2023-03-13 23:59:20] [INFO ] Implicit Places using invariants in 126 ms returned []
[2023-03-13 23:59:20] [INFO ] Flow matrix only has 208 transitions (discarded 9 similar events)
[2023-03-13 23:59:20] [INFO ] Invariant cache hit.
[2023-03-13 23:59:20] [INFO ] State equation strengthened by 10 read => feed constraints.
[2023-03-13 23:59:20] [INFO ] Implicit Places using invariants and state equation in 321 ms returned []
Implicit Place search using SMT with State Equation took 450 ms to find 0 implicit places.
[2023-03-13 23:59:20] [INFO ] Flow matrix only has 208 transitions (discarded 9 similar events)
[2023-03-13 23:59:20] [INFO ] Invariant cache hit.
[2023-03-13 23:59:20] [INFO ] Dead Transitions using invariants and state equation in 273 ms found 0 transitions.
Starting structural reductions in LTL mode, iteration 1 : 186/198 places, 217/230 transitions.
Finished structural reductions in LTL mode , in 1 iterations and 735 ms. Remains : 186/198 places, 217/230 transitions.
Stuttering acceptance computed with spot in 150 ms :[(AND (NOT p0) (NOT p1)), (AND (NOT p0) (NOT p1)), (AND (NOT p0) (NOT p1))]
Running random walk in product with property : NoC3x3-PT-2A-LTLFireability-04 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:(AND (EQ s86 1) (EQ s100 1)), p1:(EQ s70 1)], nbAcceptance=1, properties=[trans-labels, explicit-labels, trans-acc, no-univ-branch, stutter-sensitive], stateDesc=[null, null, null][false, false, false]]
Stuttering criterion allowed to conclude after 1 steps with 0 reset in 0 ms.
FORMULA NoC3x3-PT-2A-LTLFireability-04 FALSE TECHNIQUES STUTTER_TEST
Treatment of property NoC3x3-PT-2A-LTLFireability-04 finished in 909 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 2 out of 198 places. Attempting structural reductions.
Starting structural reductions in SI_LTL mode, iteration 0 : 198/198 places, 230/230 transitions.
Drop transitions removed 56 transitions
Trivial Post-agglo rules discarded 56 transitions
Performed 56 trivial Post agglomeration. Transition count delta: 56
Iterating post reduction 0 with 56 rules applied. Total rules applied 56 place count 198 transition count 174
Reduce places removed 56 places and 0 transitions.
Iterating post reduction 1 with 56 rules applied. Total rules applied 112 place count 142 transition count 174
Discarding 9 places :
Symmetric choice reduction at 2 with 9 rule applications. Total rules 121 place count 133 transition count 164
Ensure Unique test removed 3 places
Iterating global reduction 2 with 12 rules applied. Total rules applied 133 place count 130 transition count 164
Ensure Unique test removed 4 transitions
Reduce isomorphic transitions removed 4 transitions.
Drop transitions removed 3 transitions
Trivial Post-agglo rules discarded 3 transitions
Performed 3 trivial Post agglomeration. Transition count delta: 3
Iterating post reduction 2 with 7 rules applied. Total rules applied 140 place count 130 transition count 157
Reduce places removed 3 places and 0 transitions.
Iterating post reduction 3 with 3 rules applied. Total rules applied 143 place count 127 transition count 157
Applied a total of 143 rules in 20 ms. Remains 127 /198 variables (removed 71) and now considering 157/230 (removed 73) transitions.
[2023-03-13 23:59:21] [INFO ] Flow matrix only has 149 transitions (discarded 8 similar events)
// Phase 1: matrix 149 rows 127 cols
[2023-03-13 23:59:21] [INFO ] Computed 57 place invariants in 1 ms
[2023-03-13 23:59:21] [INFO ] Implicit Places using invariants in 92 ms returned []
[2023-03-13 23:59:21] [INFO ] Flow matrix only has 149 transitions (discarded 8 similar events)
[2023-03-13 23:59:21] [INFO ] Invariant cache hit.
[2023-03-13 23:59:21] [INFO ] State equation strengthened by 34 read => feed constraints.
[2023-03-13 23:59:21] [INFO ] Implicit Places using invariants and state equation in 223 ms returned []
Implicit Place search using SMT with State Equation took 318 ms to find 0 implicit places.
[2023-03-13 23:59:21] [INFO ] Redundant transitions in 6 ms returned []
[2023-03-13 23:59:21] [INFO ] Flow matrix only has 149 transitions (discarded 8 similar events)
[2023-03-13 23:59:21] [INFO ] Invariant cache hit.
[2023-03-13 23:59:21] [INFO ] Dead Transitions using invariants and state equation in 117 ms found 0 transitions.
Starting structural reductions in SI_LTL mode, iteration 1 : 127/198 places, 157/230 transitions.
Finished structural reductions in SI_LTL mode , in 1 iterations and 468 ms. Remains : 127/198 places, 157/230 transitions.
Stuttering acceptance computed with spot in 42 ms :[(NOT p0)]
Running random walk in product with property : NoC3x3-PT-2A-LTLFireability-05 automaton TGBA Formula[mat=[[{ cond=p0, acceptance={} source=0 dest: 0}, { cond=(NOT p0), acceptance={0} source=0 dest: 0}]], initial=0, aps=[p0:(AND (EQ s81 1) (EQ s125 1))], 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 NoC3x3-PT-2A-LTLFireability-05 FALSE TECHNIQUES STUTTER_TEST
Treatment of property NoC3x3-PT-2A-LTLFireability-05 finished in 531 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||G(F(p2))))))'
Support contains 6 out of 198 places. Attempting structural reductions.
Starting structural reductions in SI_LTL mode, iteration 0 : 198/198 places, 230/230 transitions.
Drop transitions removed 47 transitions
Trivial Post-agglo rules discarded 47 transitions
Performed 47 trivial Post agglomeration. Transition count delta: 47
Iterating post reduction 0 with 47 rules applied. Total rules applied 47 place count 198 transition count 183
Reduce places removed 47 places and 0 transitions.
Performed 4 Post agglomeration using F-continuation condition.Transition count delta: 4
Iterating post reduction 1 with 51 rules applied. Total rules applied 98 place count 151 transition count 179
Reduce places removed 4 places and 0 transitions.
Iterating post reduction 2 with 4 rules applied. Total rules applied 102 place count 147 transition count 179
Discarding 9 places :
Symmetric choice reduction at 3 with 9 rule applications. Total rules 111 place count 138 transition count 169
Ensure Unique test removed 2 places
Iterating global reduction 3 with 11 rules applied. Total rules applied 122 place count 136 transition count 169
Ensure Unique test removed 3 transitions
Reduce isomorphic transitions removed 3 transitions.
Drop transitions removed 2 transitions
Trivial Post-agglo rules discarded 2 transitions
Performed 2 trivial Post agglomeration. Transition count delta: 2
Iterating post reduction 3 with 5 rules applied. Total rules applied 127 place count 136 transition count 164
Reduce places removed 2 places and 0 transitions.
Iterating post reduction 4 with 2 rules applied. Total rules applied 129 place count 134 transition count 164
Applied a total of 129 rules in 21 ms. Remains 134 /198 variables (removed 64) and now considering 164/230 (removed 66) transitions.
[2023-03-13 23:59:21] [INFO ] Flow matrix only has 156 transitions (discarded 8 similar events)
// Phase 1: matrix 156 rows 134 cols
[2023-03-13 23:59:21] [INFO ] Computed 58 place invariants in 1 ms
[2023-03-13 23:59:21] [INFO ] Implicit Places using invariants in 92 ms returned []
[2023-03-13 23:59:21] [INFO ] Flow matrix only has 156 transitions (discarded 8 similar events)
[2023-03-13 23:59:21] [INFO ] Invariant cache hit.
[2023-03-13 23:59:21] [INFO ] State equation strengthened by 27 read => feed constraints.
[2023-03-13 23:59:21] [INFO ] Implicit Places using invariants and state equation in 184 ms returned []
Implicit Place search using SMT with State Equation took 280 ms to find 0 implicit places.
[2023-03-13 23:59:21] [INFO ] Redundant transitions in 6 ms returned []
[2023-03-13 23:59:21] [INFO ] Flow matrix only has 156 transitions (discarded 8 similar events)
[2023-03-13 23:59:21] [INFO ] Invariant cache hit.
[2023-03-13 23:59:22] [INFO ] Dead Transitions using invariants and state equation in 161 ms found 0 transitions.
Starting structural reductions in SI_LTL mode, iteration 1 : 134/198 places, 164/230 transitions.
Finished structural reductions in SI_LTL mode , in 1 iterations and 490 ms. Remains : 134/198 places, 164/230 transitions.
Stuttering acceptance computed with spot in 284 ms :[(OR (NOT p0) (AND (NOT p1) (NOT p2))), (NOT p0), (OR (AND (NOT p0) (NOT p2)) (AND (NOT p1) (NOT p2))), (OR (AND (NOT p0) (NOT p2)) (AND (NOT p1) (NOT p2))), (AND (NOT p0) (NOT p2)), (AND (NOT p0) (NOT p2))]
Running random walk in product with property : NoC3x3-PT-2A-LTLFireability-06 automaton TGBA Formula[mat=[[{ cond=(NOT p0), acceptance={0} source=0 dest: 0}, { cond=p0, acceptance={} source=0 dest: 1}, { cond=(AND p0 (NOT p1) (NOT p2)), acceptance={} source=0 dest: 2}, { cond=(AND p0 (NOT p1)), acceptance={} source=0 dest: 3}], [{ cond=(NOT p0), acceptance={0} source=1 dest: 0}, { cond=p0, acceptance={} source=1 dest: 1}], [{ cond=(OR (AND (NOT p0) (NOT p2)) (AND (NOT p1) (NOT p2))), acceptance={0} source=2 dest: 2}, { cond=(AND p0 p1 (NOT p2)), acceptance={} source=2 dest: 4}], [{ cond=(OR (AND (NOT p0) (NOT p2)) (AND (NOT p1) (NOT p2))), acceptance={} source=3 dest: 2}, { cond=(OR (NOT p0) (NOT p1)), acceptance={} source=3 dest: 3}, { cond=(AND p0 p1), acceptance={} source=3 dest: 5}], [{ cond=(AND (NOT p0) (NOT p2)), acceptance={0} source=4 dest: 2}, { cond=(AND p0 (NOT p2)), acceptance={} source=4 dest: 4}], [{ cond=(AND (NOT p0) (NOT p2)), acceptance={} source=5 dest: 2}, { cond=(NOT p0), acceptance={} source=5 dest: 3}, { cond=p0, acceptance={} source=5 dest: 5}]], initial=0, aps=[p0:(AND (EQ s85 1) (EQ s94 1)), p1:(AND (EQ s60 1) (EQ s82 1)), p2:(OR (EQ s14 0) (EQ s33 0))], nbAcceptance=1, properties=[trans-labels, explicit-labels, trans-acc, no-univ-branch, stutter-invariant], stateDesc=[null, null, null, null, null, null][true, true, true, true, true, true]]
Stuttering criterion allowed to conclude after 1 steps with 0 reset in 0 ms.
FORMULA NoC3x3-PT-2A-LTLFireability-06 FALSE TECHNIQUES STUTTER_TEST
Treatment of property NoC3x3-PT-2A-LTLFireability-06 finished in 795 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((F(p0) U p1)))))'
Support contains 4 out of 198 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 198/198 places, 230/230 transitions.
Discarding 9 places :
Symmetric choice reduction at 0 with 9 rule applications. Total rules 9 place count 189 transition count 220
Ensure Unique test removed 3 places
Iterating global reduction 0 with 12 rules applied. Total rules applied 21 place count 186 transition count 220
Ensure Unique test removed 4 transitions
Reduce isomorphic transitions removed 4 transitions.
Iterating post reduction 0 with 4 rules applied. Total rules applied 25 place count 186 transition count 216
Applied a total of 25 rules in 12 ms. Remains 186 /198 variables (removed 12) and now considering 216/230 (removed 14) transitions.
[2023-03-13 23:59:22] [INFO ] Flow matrix only has 208 transitions (discarded 8 similar events)
// Phase 1: matrix 208 rows 186 cols
[2023-03-13 23:59:22] [INFO ] Computed 57 place invariants in 2 ms
[2023-03-13 23:59:22] [INFO ] Implicit Places using invariants in 142 ms returned []
[2023-03-13 23:59:22] [INFO ] Flow matrix only has 208 transitions (discarded 8 similar events)
[2023-03-13 23:59:22] [INFO ] Invariant cache hit.
[2023-03-13 23:59:22] [INFO ] State equation strengthened by 10 read => feed constraints.
[2023-03-13 23:59:22] [INFO ] Implicit Places using invariants and state equation in 273 ms returned []
Implicit Place search using SMT with State Equation took 422 ms to find 0 implicit places.
[2023-03-13 23:59:22] [INFO ] Flow matrix only has 208 transitions (discarded 8 similar events)
[2023-03-13 23:59:22] [INFO ] Invariant cache hit.
[2023-03-13 23:59:22] [INFO ] Dead Transitions using invariants and state equation in 200 ms found 0 transitions.
Starting structural reductions in LTL mode, iteration 1 : 186/198 places, 216/230 transitions.
Finished structural reductions in LTL mode , in 1 iterations and 637 ms. Remains : 186/198 places, 216/230 transitions.
Stuttering acceptance computed with spot in 284 ms :[(NOT p1), (NOT p1), (NOT p1), (NOT p0), (NOT p1)]
Running random walk in product with property : NoC3x3-PT-2A-LTLFireability-08 automaton TGBA Formula[mat=[[{ cond=true, acceptance={} source=0 dest: 1}], [{ cond=true, acceptance={} source=1 dest: 2}], [{ cond=true, acceptance={} source=2 dest: 2}, { cond=(AND (NOT p1) (NOT p0)), acceptance={} source=2 dest: 3}, { cond=(NOT p1), acceptance={} source=2 dest: 4}], [{ cond=(NOT p0), acceptance={0} source=3 dest: 3}], [{ cond=(AND (NOT p1) (NOT p0)), acceptance={0} source=4 dest: 3}, { cond=(NOT p1), acceptance={0} source=4 dest: 4}]], initial=0, aps=[p1:(AND (EQ s60 1) (EQ s148 1)), p0:(AND (EQ s134 1) (EQ s141 1))], 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]]
Stuttering criterion allowed to conclude after 1 steps with 0 reset in 0 ms.
FORMULA NoC3x3-PT-2A-LTLFireability-08 FALSE TECHNIQUES STUTTER_TEST
Treatment of property NoC3x3-PT-2A-LTLFireability-08 finished in 940 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(G((X(p2)||p1))))))'
Support contains 4 out of 198 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 198/198 places, 230/230 transitions.
Discarding 9 places :
Symmetric choice reduction at 0 with 9 rule applications. Total rules 9 place count 189 transition count 220
Ensure Unique test removed 3 places
Iterating global reduction 0 with 12 rules applied. Total rules applied 21 place count 186 transition count 220
Ensure Unique test removed 4 transitions
Reduce isomorphic transitions removed 4 transitions.
Iterating post reduction 0 with 4 rules applied. Total rules applied 25 place count 186 transition count 216
Applied a total of 25 rules in 7 ms. Remains 186 /198 variables (removed 12) and now considering 216/230 (removed 14) transitions.
[2023-03-13 23:59:23] [INFO ] Flow matrix only has 208 transitions (discarded 8 similar events)
// Phase 1: matrix 208 rows 186 cols
[2023-03-13 23:59:23] [INFO ] Computed 57 place invariants in 3 ms
[2023-03-13 23:59:23] [INFO ] Implicit Places using invariants in 148 ms returned []
[2023-03-13 23:59:23] [INFO ] Flow matrix only has 208 transitions (discarded 8 similar events)
[2023-03-13 23:59:23] [INFO ] Invariant cache hit.
[2023-03-13 23:59:23] [INFO ] State equation strengthened by 10 read => feed constraints.
[2023-03-13 23:59:23] [INFO ] Implicit Places using invariants and state equation in 353 ms returned []
Implicit Place search using SMT with State Equation took 507 ms to find 0 implicit places.
[2023-03-13 23:59:23] [INFO ] Flow matrix only has 208 transitions (discarded 8 similar events)
[2023-03-13 23:59:23] [INFO ] Invariant cache hit.
[2023-03-13 23:59:24] [INFO ] Dead Transitions using invariants and state equation in 223 ms found 0 transitions.
Starting structural reductions in LTL mode, iteration 1 : 186/198 places, 216/230 transitions.
Finished structural reductions in LTL mode , in 1 iterations and 741 ms. Remains : 186/198 places, 216/230 transitions.
Stuttering acceptance computed with spot in 228 ms :[(OR (NOT p0) (AND (NOT p1) (NOT p2))), (OR (NOT p0) (AND (NOT p1) (NOT p2))), (NOT p0), (AND (NOT p1) (NOT p2)), (NOT p2), true]
Running random walk in product with property : NoC3x3-PT-2A-LTLFireability-09 automaton TGBA Formula[mat=[[{ cond=true, acceptance={} source=0 dest: 1}], [{ cond=(NOT p0), acceptance={} source=1 dest: 2}, { cond=true, acceptance={} source=1 dest: 3}], [{ cond=(NOT p0), acceptance={0} source=2 dest: 2}], [{ cond=true, acceptance={} source=3 dest: 3}, { cond=(NOT p1), acceptance={} source=3 dest: 4}], [{ cond=(NOT p2), acceptance={} source=4 dest: 5}], [{ cond=true, acceptance={0} source=5 dest: 5}]], initial=0, aps=[p0:(AND (EQ s76 1) (EQ s111 1)), p1:(OR (EQ s67 0) (EQ s80 0)), p2:(OR (EQ s67 0) (EQ s80 0))], 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][false, false, false, false, false, false]]
Stuttering criterion allowed to conclude after 287 steps with 0 reset in 3 ms.
FORMULA NoC3x3-PT-2A-LTLFireability-09 FALSE TECHNIQUES STUTTER_TEST
Treatment of property NoC3x3-PT-2A-LTLFireability-09 finished in 992 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)))'
Support contains 2 out of 198 places. Attempting structural reductions.
Starting structural reductions in SI_LTL mode, iteration 0 : 198/198 places, 230/230 transitions.
Reduce places removed 1 places and 1 transitions.
Drop transitions removed 58 transitions
Trivial Post-agglo rules discarded 58 transitions
Performed 58 trivial Post agglomeration. Transition count delta: 58
Iterating post reduction 0 with 58 rules applied. Total rules applied 58 place count 197 transition count 171
Reduce places removed 67 places and 0 transitions.
Ensure Unique test removed 8 transitions
Reduce isomorphic transitions removed 8 transitions.
Iterating post reduction 1 with 75 rules applied. Total rules applied 133 place count 130 transition count 163
Discarding 9 places :
Symmetric choice reduction at 2 with 9 rule applications. Total rules 142 place count 121 transition count 153
Ensure Unique test removed 2 places
Iterating global reduction 2 with 11 rules applied. Total rules applied 153 place count 119 transition count 153
Ensure Unique test removed 3 transitions
Reduce isomorphic transitions removed 3 transitions.
Drop transitions removed 2 transitions
Trivial Post-agglo rules discarded 2 transitions
Performed 2 trivial Post agglomeration. Transition count delta: 2
Iterating post reduction 2 with 5 rules applied. Total rules applied 158 place count 119 transition count 148
Reduce places removed 2 places and 0 transitions.
Iterating post reduction 3 with 2 rules applied. Total rules applied 160 place count 117 transition count 148
Applied a total of 160 rules in 17 ms. Remains 117 /198 variables (removed 81) and now considering 148/230 (removed 82) transitions.
// Phase 1: matrix 148 rows 117 cols
[2023-03-13 23:59:24] [INFO ] Computed 49 place invariants in 1 ms
[2023-03-13 23:59:24] [INFO ] Implicit Places using invariants in 89 ms returned []
[2023-03-13 23:59:24] [INFO ] Invariant cache hit.
[2023-03-13 23:59:24] [INFO ] State equation strengthened by 9 read => feed constraints.
[2023-03-13 23:59:24] [INFO ] Implicit Places using invariants and state equation in 194 ms returned []
Implicit Place search using SMT with State Equation took 285 ms to find 0 implicit places.
[2023-03-13 23:59:24] [INFO ] Redundant transitions in 122 ms returned [23, 30, 31, 44, 45, 56, 57, 58, 59, 60, 67, 68, 71, 100, 101, 103, 107, 110, 111, 112, 118, 119, 120, 122, 126, 129, 130, 131, 132, 135, 138, 139, 140, 141, 147]
Found 35 redundant transitions using SMT.
Drop transitions removed 35 transitions
Redundant transitions reduction (with SMT) removed 35 transitions.
// Phase 1: matrix 113 rows 117 cols
[2023-03-13 23:59:24] [INFO ] Computed 49 place invariants in 1 ms
[2023-03-13 23:59:24] [INFO ] Dead Transitions using invariants and state equation in 129 ms found 0 transitions.
Starting structural reductions in SI_LTL mode, iteration 1 : 117/198 places, 113/230 transitions.
Performed 13 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 0 with 13 Pre rules applied. Total rules applied 0 place count 117 transition count 100
Deduced a syphon composed of 13 places in 0 ms
Reduce places removed 26 places and 0 transitions.
Iterating global reduction 0 with 39 rules applied. Total rules applied 39 place count 91 transition count 100
Drop transitions removed 6 transitions
Trivial Post-agglo rules discarded 6 transitions
Performed 6 trivial Post agglomeration. Transition count delta: 6
Iterating post reduction 0 with 6 rules applied. Total rules applied 45 place count 91 transition count 94
Reduce places removed 12 places and 0 transitions.
Ensure Unique test removed 6 transitions
Reduce isomorphic transitions removed 6 transitions.
Graph (trivial) has 44 edges and 79 vertex of which 14 / 79 are part of one of the 7 SCC in 4 ms
Free SCC test removed 7 places
Iterating post reduction 1 with 19 rules applied. Total rules applied 64 place count 72 transition count 88
Ensure Unique test removed 7 transitions
Reduce isomorphic transitions removed 7 transitions.
Iterating post reduction 2 with 7 rules applied. Total rules applied 71 place count 72 transition count 81
Performed 9 Post agglomeration using F-continuation condition.Transition count delta: 9
Deduced a syphon composed of 9 places in 0 ms
Reduce places removed 18 places and 0 transitions.
Iterating global reduction 3 with 27 rules applied. Total rules applied 98 place count 54 transition count 72
Graph (trivial) has 37 edges and 54 vertex of which 18 / 54 are part of one of the 9 SCC in 0 ms
Free SCC test removed 9 places
Iterating global reduction 3 with 1 rules applied. Total rules applied 99 place count 45 transition count 72
Ensure Unique test removed 9 transitions
Reduce isomorphic transitions removed 9 transitions.
Iterating post reduction 3 with 9 rules applied. Total rules applied 108 place count 45 transition count 63
Drop transitions removed 16 transitions
Redundant transition composition rules discarded 16 transitions
Iterating global reduction 4 with 16 rules applied. Total rules applied 124 place count 45 transition count 47
Applied a total of 124 rules in 31 ms. Remains 45 /117 variables (removed 72) and now considering 47/113 (removed 66) transitions.
// Phase 1: matrix 47 rows 45 cols
[2023-03-13 23:59:24] [INFO ] Computed 21 place invariants in 1 ms
[2023-03-13 23:59:24] [INFO ] Implicit Places using invariants in 50 ms returned []
[2023-03-13 23:59:24] [INFO ] Invariant cache hit.
[2023-03-13 23:59:25] [INFO ] Implicit Places using invariants and state equation in 101 ms returned []
Implicit Place search using SMT with State Equation took 154 ms to find 0 implicit places.
Starting structural reductions in SI_LTL mode, iteration 2 : 45/198 places, 47/230 transitions.
Finished structural reductions in SI_LTL mode , in 2 iterations and 748 ms. Remains : 45/198 places, 47/230 transitions.
Stuttering acceptance computed with spot in 206 ms :[true, (NOT p1), (AND (NOT p1) (NOT p0)), (NOT p0)]
Running random walk in product with property : NoC3x3-PT-2A-LTLFireability-10 automaton TGBA Formula[mat=[[{ cond=true, acceptance={0} source=0 dest: 0}], [{ cond=(NOT p1), acceptance={} source=1 dest: 0}, { cond=p1, acceptance={} source=1 dest: 1}], [{ cond=(AND (NOT p0) (NOT p1)), acceptance={} source=2 dest: 0}, { cond=(AND (NOT p0) p1), acceptance={} source=2 dest: 1}, { cond=(AND p0 p1), acceptance={} source=2 dest: 2}, { cond=(AND p0 (NOT p1)), acceptance={} source=2 dest: 3}], [{ cond=(NOT p0), acceptance={} source=3 dest: 0}, { cond=p0, acceptance={} source=3 dest: 3}]], initial=2, aps=[p1:(OR (EQ s13 0) (EQ s18 0)), p0:(AND (EQ s13 1) (EQ s18 1))], nbAcceptance=1, properties=[trans-labels, explicit-labels, trans-acc, complete, deterministic, no-univ-branch, unambiguous, semi-deterministic, stutter-invariant, terminal, very-weak, weak, inherently-weak], stateDesc=[null, null, null, null][true, true, true, true]]
Entered a terminal (fully accepting) state of product in 55 steps with 0 reset in 1 ms.
FORMULA NoC3x3-PT-2A-LTLFireability-10 FALSE TECHNIQUES STUTTER_TEST
Treatment of property NoC3x3-PT-2A-LTLFireability-10 finished in 970 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))&&(!p0||G(p1)))))&&F(p1))||X(X(G((F(!p0)&&(!p0||G(p1))))))))'
Support contains 3 out of 198 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 198/198 places, 230/230 transitions.
Discarding 9 places :
Symmetric choice reduction at 0 with 9 rule applications. Total rules 9 place count 189 transition count 221
Ensure Unique test removed 3 places
Iterating global reduction 0 with 12 rules applied. Total rules applied 21 place count 186 transition count 221
Ensure Unique test removed 4 transitions
Reduce isomorphic transitions removed 4 transitions.
Iterating post reduction 0 with 4 rules applied. Total rules applied 25 place count 186 transition count 217
Applied a total of 25 rules in 16 ms. Remains 186 /198 variables (removed 12) and now considering 217/230 (removed 13) transitions.
[2023-03-13 23:59:25] [INFO ] Flow matrix only has 208 transitions (discarded 9 similar events)
// Phase 1: matrix 208 rows 186 cols
[2023-03-13 23:59:25] [INFO ] Computed 57 place invariants in 1 ms
[2023-03-13 23:59:25] [INFO ] Implicit Places using invariants in 141 ms returned []
[2023-03-13 23:59:25] [INFO ] Flow matrix only has 208 transitions (discarded 9 similar events)
[2023-03-13 23:59:25] [INFO ] Invariant cache hit.
[2023-03-13 23:59:25] [INFO ] State equation strengthened by 10 read => feed constraints.
[2023-03-13 23:59:25] [INFO ] Implicit Places using invariants and state equation in 349 ms returned []
Implicit Place search using SMT with State Equation took 493 ms to find 0 implicit places.
[2023-03-13 23:59:25] [INFO ] Flow matrix only has 208 transitions (discarded 9 similar events)
[2023-03-13 23:59:25] [INFO ] Invariant cache hit.
[2023-03-13 23:59:26] [INFO ] Dead Transitions using invariants and state equation in 263 ms found 0 transitions.
Starting structural reductions in LTL mode, iteration 1 : 186/198 places, 217/230 transitions.
Finished structural reductions in LTL mode , in 1 iterations and 775 ms. Remains : 186/198 places, 217/230 transitions.
Stuttering acceptance computed with spot in 386 ms :[p0, p0, (AND (NOT p1) p0), p0, (AND (NOT p1) p0), true, (NOT p1), p0, (NOT p1)]
Running random walk in product with property : NoC3x3-PT-2A-LTLFireability-11 automaton TGBA Formula[mat=[[{ cond=true, acceptance={} source=0 dest: 1}, { cond=(NOT p1), acceptance={} source=0 dest: 2}], [{ cond=true, acceptance={} source=1 dest: 3}], [{ cond=(NOT p1), acceptance={} source=2 dest: 4}], [{ cond=(AND (NOT p1) p0), acceptance={} source=3 dest: 5}, { cond=(AND p1 p0), acceptance={} source=3 dest: 6}, { cond=(OR p1 (NOT p0)), acceptance={} source=3 dest: 7}], [{ cond=(AND (NOT p1) (NOT p0)), acceptance={} source=4 dest: 4}, { cond=(AND (NOT p1) p0), acceptance={} source=4 dest: 8}], [{ cond=true, acceptance={0} source=5 dest: 5}], [{ cond=(NOT p1), acceptance={} source=6 dest: 5}, { cond=p1, acceptance={} source=6 dest: 6}], [{ cond=p0, acceptance={0} source=7 dest: 7}], [{ cond=(NOT p1), acceptance={0} source=8 dest: 8}]], initial=0, aps=[p1:(NEQ s10 1), p0:(AND (EQ s86 1) (EQ s100 1))], 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, null, null][false, false, false, false, false, false, false, false, false]]
Product exploration explored 100000 steps with 25000 reset in 1038 ms.
Product exploration explored 100000 steps with 25000 reset in 926 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 p1 (NOT p0)), (X p1), (X (X (OR p1 (NOT p0)))), (X (X (NOT (AND (NOT p1) (NOT p0))))), (X (X (NOT (AND (NOT p1) p0)))), (X (X (NOT (AND p1 p0))))]
False Knowledge obtained : []
Knowledge based reduction with 6 factoid took 350 ms. Reduced automaton from 9 states, 14 edges and 2 AP (stutter sensitive) to 4 states, 4 edges and 1 AP (stutter sensitive).
Stuttering acceptance computed with spot in 160 ms :[false, p0, false, false]
Finished random walk after 3566 steps, including 1 resets, run visited all 1 properties in 19 ms. (steps per millisecond=187 )
Knowledge obtained : [(AND p1 (NOT p0)), (X p1), (X (X (OR p1 (NOT p0)))), (X (X (NOT (AND (NOT p1) (NOT p0))))), (X (X (NOT (AND (NOT p1) p0)))), (X (X (NOT (AND p1 p0))))]
False Knowledge obtained : [(F p0)]
Knowledge based reduction with 6 factoid took 345 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 171 ms :[p0, false, false, false]
Stuttering acceptance computed with spot in 194 ms :[p0, false, false, false]
Support contains 2 out of 186 places. Attempting structural reductions.
Property had overlarge support with respect to TGBA, discarding it for now.
Starting structural reductions in LTL mode, iteration 0 : 186/186 places, 217/217 transitions.
Applied a total of 0 rules in 3 ms. Remains 186 /186 variables (removed 0) and now considering 217/217 (removed 0) transitions.
[2023-03-13 23:59:29] [INFO ] Flow matrix only has 208 transitions (discarded 9 similar events)
[2023-03-13 23:59:29] [INFO ] Invariant cache hit.
[2023-03-13 23:59:29] [INFO ] Implicit Places using invariants in 189 ms returned []
[2023-03-13 23:59:29] [INFO ] Flow matrix only has 208 transitions (discarded 9 similar events)
[2023-03-13 23:59:29] [INFO ] Invariant cache hit.
[2023-03-13 23:59:30] [INFO ] State equation strengthened by 10 read => feed constraints.
[2023-03-13 23:59:30] [INFO ] Implicit Places using invariants and state equation in 311 ms returned []
Implicit Place search using SMT with State Equation took 503 ms to find 0 implicit places.
[2023-03-13 23:59:30] [INFO ] Flow matrix only has 208 transitions (discarded 9 similar events)
[2023-03-13 23:59:30] [INFO ] Invariant cache hit.
[2023-03-13 23:59:30] [INFO ] Dead Transitions using invariants and state equation in 264 ms found 0 transitions.
Finished structural reductions in LTL mode , in 1 iterations and 771 ms. Remains : 186/186 places, 217/217 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), (X (X (NOT p0)))]
False Knowledge obtained : []
Knowledge based reduction with 2 factoid took 265 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 173 ms :[p0, p0, p0, p0]
Finished random walk after 3429 steps, including 1 resets, run visited all 1 properties in 24 ms. (steps per millisecond=142 )
Knowledge obtained : [(NOT p0), (X (X (NOT p0)))]
False Knowledge obtained : [(F p0)]
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 186 ms :[p0, p0, p0, p0]
Stuttering acceptance computed with spot in 172 ms :[p0, p0, p0, p0]
Stuttering acceptance computed with spot in 168 ms :[p0, p0, p0, p0]
Product exploration explored 100000 steps with 25000 reset in 634 ms.
Product exploration explored 100000 steps with 25000 reset in 657 ms.
Applying partial POR strategy [true, false, false, false]
Stuttering acceptance computed with spot in 172 ms :[p0, p0, p0, p0]
Support contains 2 out of 186 places. Attempting structural reductions.
Starting structural reductions in SI_LTL mode, iteration 0 : 186/186 places, 217/217 transitions.
Performed 60 Post agglomeration using F-continuation condition.Transition count delta: 0
Iterating post reduction 0 with 60 rules applied. Total rules applied 60 place count 186 transition count 217
Deduced a syphon composed of 60 places in 5 ms
Applied a total of 60 rules in 24 ms. Remains 186 /186 variables (removed 0) and now considering 217/217 (removed 0) transitions.
[2023-03-13 23:59:33] [INFO ] Redundant transitions in 3 ms returned []
[2023-03-13 23:59:33] [INFO ] Flow matrix only has 208 transitions (discarded 9 similar events)
// Phase 1: matrix 208 rows 186 cols
[2023-03-13 23:59:33] [INFO ] Computed 57 place invariants in 3 ms
[2023-03-13 23:59:33] [INFO ] Dead Transitions using invariants and state equation in 276 ms found 0 transitions.
Starting structural reductions in SI_LTL mode, iteration 1 : 186/186 places, 217/217 transitions.
Finished structural reductions in SI_LTL mode , in 1 iterations and 311 ms. Remains : 186/186 places, 217/217 transitions.
Support contains 2 out of 186 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 186/186 places, 217/217 transitions.
Applied a total of 0 rules in 2 ms. Remains 186 /186 variables (removed 0) and now considering 217/217 (removed 0) transitions.
[2023-03-13 23:59:33] [INFO ] Flow matrix only has 208 transitions (discarded 9 similar events)
// Phase 1: matrix 208 rows 186 cols
[2023-03-13 23:59:33] [INFO ] Computed 57 place invariants in 3 ms
[2023-03-13 23:59:33] [INFO ] Implicit Places using invariants in 157 ms returned []
[2023-03-13 23:59:33] [INFO ] Flow matrix only has 208 transitions (discarded 9 similar events)
[2023-03-13 23:59:33] [INFO ] Invariant cache hit.
[2023-03-13 23:59:34] [INFO ] State equation strengthened by 10 read => feed constraints.
[2023-03-13 23:59:34] [INFO ] Implicit Places using invariants and state equation in 311 ms returned []
Implicit Place search using SMT with State Equation took 471 ms to find 0 implicit places.
[2023-03-13 23:59:34] [INFO ] Flow matrix only has 208 transitions (discarded 9 similar events)
[2023-03-13 23:59:34] [INFO ] Invariant cache hit.
[2023-03-13 23:59:34] [INFO ] Dead Transitions using invariants and state equation in 301 ms found 0 transitions.
Finished structural reductions in LTL mode , in 1 iterations and 776 ms. Remains : 186/186 places, 217/217 transitions.
Treatment of property NoC3x3-PT-2A-LTLFireability-11 finished in 9332 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)))'
Support contains 2 out of 198 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 198/198 places, 230/230 transitions.
Discarding 10 places :
Symmetric choice reduction at 0 with 10 rule applications. Total rules 10 place count 188 transition count 219
Ensure Unique test removed 3 places
Iterating global reduction 0 with 13 rules applied. Total rules applied 23 place count 185 transition count 219
Ensure Unique test removed 4 transitions
Reduce isomorphic transitions removed 4 transitions.
Iterating post reduction 0 with 4 rules applied. Total rules applied 27 place count 185 transition count 215
Applied a total of 27 rules in 12 ms. Remains 185 /198 variables (removed 13) and now considering 215/230 (removed 15) transitions.
[2023-03-13 23:59:34] [INFO ] Flow matrix only has 207 transitions (discarded 8 similar events)
// Phase 1: matrix 207 rows 185 cols
[2023-03-13 23:59:34] [INFO ] Computed 57 place invariants in 1 ms
[2023-03-13 23:59:34] [INFO ] Implicit Places using invariants in 156 ms returned []
[2023-03-13 23:59:34] [INFO ] Flow matrix only has 207 transitions (discarded 8 similar events)
[2023-03-13 23:59:34] [INFO ] Invariant cache hit.
[2023-03-13 23:59:34] [INFO ] State equation strengthened by 10 read => feed constraints.
[2023-03-13 23:59:35] [INFO ] Implicit Places using invariants and state equation in 329 ms returned []
Implicit Place search using SMT with State Equation took 492 ms to find 0 implicit places.
[2023-03-13 23:59:35] [INFO ] Flow matrix only has 207 transitions (discarded 8 similar events)
[2023-03-13 23:59:35] [INFO ] Invariant cache hit.
[2023-03-13 23:59:35] [INFO ] Dead Transitions using invariants and state equation in 250 ms found 0 transitions.
Starting structural reductions in LTL mode, iteration 1 : 185/198 places, 215/230 transitions.
Finished structural reductions in LTL mode , in 1 iterations and 757 ms. Remains : 185/198 places, 215/230 transitions.
Stuttering acceptance computed with spot in 91 ms :[(NOT p0), (NOT p0)]
Running random walk in product with property : NoC3x3-PT-2A-LTLFireability-14 automaton TGBA Formula[mat=[[{ cond=true, acceptance={} source=0 dest: 1}], [{ cond=(NOT p0), acceptance={0} source=1 dest: 1}]], initial=0, aps=[p0:(OR (EQ s113 0) (EQ s119 0))], nbAcceptance=1, properties=[trans-labels, explicit-labels, trans-acc, deterministic, no-univ-branch, unambiguous, semi-deterministic, stutter-sensitive, very-weak, weak, inherently-weak], stateDesc=[null, null][false, false]]
Product exploration explored 100000 steps with 50000 reset in 844 ms.
Product exploration explored 100000 steps with 50000 reset in 852 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 : [p0, (X p0), (X (X p0))]
False Knowledge obtained : []
Property proved to be true thanks to knowledge :(X p0)
Knowledge based reduction with 3 factoid took 74 ms. Reduced automaton from 2 states, 2 edges and 1 AP (stutter sensitive) to 1 states, 0 edges and 0 AP (stutter insensitive).
FORMULA NoC3x3-PT-2A-LTLFireability-14 TRUE TECHNIQUES KNOWLEDGE
Treatment of property NoC3x3-PT-2A-LTLFireability-14 finished in 2673 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))&&(!p0||G(p1)))))&&F(p1))||X(X(G((F(!p0)&&(!p0||G(p1))))))))'
[2023-03-13 23:59:37] [INFO ] Flatten gal took : 25 ms
[2023-03-13 23:59:37] [INFO ] Export to MCC of 1 properties in file /home/mcc/execution/LTLFireability.sr.xml took 2 ms.
[2023-03-13 23:59:37] [INFO ] Export to PNML in file /home/mcc/execution/model.sr.pnml of net with 198 places, 230 transitions and 776 arcs took 4 ms.
Total runtime 22888 ms.
There are residual formulas that ITS could not solve within timeout
starting LoLA
BK_INPUT NoC3x3-PT-2A
BK_EXAMINATION: LTLFireability
bin directory: /home/mcc/BenchKit/bin//../reducer/bin//../../lola/bin/
current directory: /home/mcc/execution/371
LTLFireability

FORMULA NoC3x3-PT-2A-LTLFireability-11 TRUE TECHNIQUES COLLATERAL_PROCESSING EXPLICIT TOPOLOGICAL STATE_COMPRESSION STUBBORN_SETS USE_NUPN UNFOLDING_TO_PT

BK_STOP 1678751978611

--------------------
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/371/model.pnml
lola: reading pnml
lola: PNML file contains place/transition net
lola: finished parsing
lola: closed net file /home/mcc/execution/371/model.pnml
lola: Reading formula.
lola: Using XML format (--xmlformula)
lola: reading XML formula
lola: reading formula from /home/mcc/execution/371/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 NoC3x3-PT-2A-LTLFireability-11
lola: time limit : 3600 sec
lola: memory limit: 32 pages
lola: FINISHED task # 1 (type EXCL) for NoC3x3-PT-2A-LTLFireability-11
lola: result : true
lola: markings : 355
lola: fired transitions : 824
lola: time used : 0.000000
lola: memory pages used : 1
lola: Portfolio finished: no open formulas

FINAL RESULTS
FINISHED FORMULA: CATEGORY VALUE PRODUCED BY
NoC3x3-PT-2A-LTLFireability-11: 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="NoC3x3-PT-2A"
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 NoC3x3-PT-2A, 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 r263-smll-167863537900244"
echo "====================================================================="
echo
echo "--------------------"
echo "preparation of the directory to be used:"

tar xzf /home/mcc/BenchKit/INPUTS/NoC3x3-PT-2A.tgz
mv NoC3x3-PT-2A 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 ;