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.r233-tall-167856418800379.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 LamportFastMutEx-COL-7, examination is LTLCardinality
Time confinement is 3600 seconds
Memory confinement is 16384 MBytes
Number of cores is 4
Run identifier is r233-tall-167856418800379
=====================================================================

--------------------
preparation of the directory to be used:
/home/mcc/execution
total 552K
-rw-r--r-- 1 mcc users 9.5K Feb 25 13:43 CTLCardinality.txt
-rw-r--r-- 1 mcc users 105K Feb 25 13:43 CTLCardinality.xml
-rw-r--r-- 1 mcc users 5.8K Feb 25 13:41 CTLFireability.txt
-rw-r--r-- 1 mcc users 45K Feb 25 13:41 CTLFireability.xml
-rw-r--r-- 1 mcc users 4.2K Jan 29 11:40 GenericPropertiesDefinition.xml
-rw-r--r-- 1 mcc users 6.6K Jan 29 11:40 GenericPropertiesVerdict.xml
-rw-r--r-- 1 mcc users 4.1K Feb 25 16:20 LTLCardinality.txt
-rw-r--r-- 1 mcc users 29K Feb 25 16:20 LTLCardinality.xml
-rw-r--r-- 1 mcc users 2.5K Feb 25 16:20 LTLFireability.txt
-rw-r--r-- 1 mcc users 17K Feb 25 16:20 LTLFireability.xml
-rw-r--r-- 1 mcc users 13K Feb 25 13:49 ReachabilityCardinality.txt
-rw-r--r-- 1 mcc users 121K Feb 25 13:49 ReachabilityCardinality.xml
-rw-r--r-- 1 mcc users 11K Feb 25 13:47 ReachabilityFireability.txt
-rw-r--r-- 1 mcc users 79K Feb 25 13:47 ReachabilityFireability.xml
-rw-r--r-- 1 mcc users 1.8K Feb 25 16:20 UpperBounds.txt
-rw-r--r-- 1 mcc users 3.8K Feb 25 16:20 UpperBounds.xml
-rw-r--r-- 1 mcc users 5 Mar 5 18:22 equiv_pt
-rw-r--r-- 1 mcc users 2 Mar 5 18:22 instance
-rw-r--r-- 1 mcc users 5 Mar 5 18:22 iscolored
-rw-r--r-- 1 mcc users 43K Mar 5 18:22 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 LamportFastMutEx-COL-7-LTLCardinality-00
FORMULA_NAME LamportFastMutEx-COL-7-LTLCardinality-01
FORMULA_NAME LamportFastMutEx-COL-7-LTLCardinality-02
FORMULA_NAME LamportFastMutEx-COL-7-LTLCardinality-03
FORMULA_NAME LamportFastMutEx-COL-7-LTLCardinality-04
FORMULA_NAME LamportFastMutEx-COL-7-LTLCardinality-05
FORMULA_NAME LamportFastMutEx-COL-7-LTLCardinality-06
FORMULA_NAME LamportFastMutEx-COL-7-LTLCardinality-07
FORMULA_NAME LamportFastMutEx-COL-7-LTLCardinality-08
FORMULA_NAME LamportFastMutEx-COL-7-LTLCardinality-09
FORMULA_NAME LamportFastMutEx-COL-7-LTLCardinality-10
FORMULA_NAME LamportFastMutEx-COL-7-LTLCardinality-11
FORMULA_NAME LamportFastMutEx-COL-7-LTLCardinality-12
FORMULA_NAME LamportFastMutEx-COL-7-LTLCardinality-13
FORMULA_NAME LamportFastMutEx-COL-7-LTLCardinality-14
FORMULA_NAME LamportFastMutEx-COL-7-LTLCardinality-15

=== Now, execution of the tool begins

BK_START 1679511494934

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=LamportFastMutEx-COL-7
Applying reductions before tool ltsmin
Invoking reducer
Running Version 202303021504
[2023-03-22 18:58:16] [INFO ] Running its-tools with arguments : [-pnfolder, /home/mcc/execution, -examination, LTLCardinality, -timeout, 360, -rebuildPNML]
[2023-03-22 18:58:16] [INFO ] Parsing pnml file : /home/mcc/execution/model.pnml
[2023-03-22 18:58:16] [INFO ] Detected file is not PT type :http://www.pnml.org/version-2009/grammar/symmetricnet
log4j:WARN No appenders could be found for logger (org.apache.axiom.locator.DefaultOMMetaFactoryLocator).
log4j:WARN Please initialize the log4j system properly.
log4j:WARN See http://logging.apache.org/log4j/1.2/faq.html#noconfig for more info.
[2023-03-22 18:58:16] [WARNING] Using fallBack plugin, rng conformance not checked
[2023-03-22 18:58:17] [INFO ] Load time of PNML (colored model parsed with PNMLFW) : 639 ms
[2023-03-22 18:58:17] [INFO ] Imported 18 HL places and 17 HL transitions for a total of 264 PT places and 672.0 transition bindings in 17 ms.
Parsed 16 properties from file /home/mcc/execution/LTLCardinality.xml in 11 ms.
Working with output stream class java.io.PrintStream
[2023-03-22 18:58:17] [INFO ] Built PT skeleton of HLPN with 18 places and 17 transitions 68 arcs in 4 ms.
[2023-03-22 18:58:17] [INFO ] Skeletonized 16 HLPN properties in 9 ms.
Initial state reduction rules removed 4 formulas.
FORMULA LamportFastMutEx-COL-7-LTLCardinality-07 FALSE TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA LamportFastMutEx-COL-7-LTLCardinality-08 TRUE TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA LamportFastMutEx-COL-7-LTLCardinality-09 FALSE TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA LamportFastMutEx-COL-7-LTLCardinality-11 TRUE TECHNIQUES TOPOLOGICAL INITIAL_STATE
Computed a total of 3 stabilizing places and 0 stable transitions
Remains 12 properties that can be checked using skeleton over-approximation.
Reduce places removed 3 places and 0 transitions.
Computed a total of 0 stabilizing places and 0 stable transitions
Finished random walk after 9185 steps, including 2 resets, run visited all 24 properties in 59 ms. (steps per millisecond=155 )
[2023-03-22 18:58:17] [INFO ] Initial state reduction rules for LTL removed 2 formulas.
[2023-03-22 18:58:17] [INFO ] Flatten gal took : 26 ms
FORMULA LamportFastMutEx-COL-7-LTLCardinality-12 TRUE TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA LamportFastMutEx-COL-7-LTLCardinality-01 FALSE TECHNIQUES TOPOLOGICAL INITIAL_STATE
[2023-03-22 18:58:17] [INFO ] Flatten gal took : 2 ms
Domain [pid(8), pid(8)] of place P_wait breaks symmetries in sort pid
Symmetric sort wr.t. initial and guards and successors and join/free detected :P_bool
Arc [3:1*[$i, 1]] contains constants of sort P_bool
Transition T_setbi_2 : constants on arcs in [[3:1*[$i, 1]]] introduces in P_bool(2) partition with 1 elements that refines current partition to 2 subsets.
[2023-03-22 18:58:17] [INFO ] Unfolded HLPN to a Petri net with 264 places and 536 transitions 2352 arcs in 28 ms.
[2023-03-22 18:58:17] [INFO ] Unfolded 10 HLPN properties in 0 ms.
Deduced a syphon composed of 45 places in 2 ms
Reduce places removed 45 places and 74 transitions.
Support contains 175 out of 219 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 219/219 places, 462/462 transitions.
Applied a total of 0 rules in 15 ms. Remains 219 /219 variables (removed 0) and now considering 462/462 (removed 0) transitions.
[2023-03-22 18:58:17] [INFO ] Flow matrix only has 336 transitions (discarded 126 similar events)
// Phase 1: matrix 336 rows 219 cols
[2023-03-22 18:58:17] [INFO ] Computed 65 place invariants in 17 ms
[2023-03-22 18:58:17] [INFO ] Implicit Places using invariants in 261 ms returned []
[2023-03-22 18:58:17] [INFO ] Flow matrix only has 336 transitions (discarded 126 similar events)
[2023-03-22 18:58:17] [INFO ] Invariant cache hit.
[2023-03-22 18:58:18] [INFO ] State equation strengthened by 91 read => feed constraints.
[2023-03-22 18:58:18] [INFO ] Implicit Places using invariants and state equation in 332 ms returned []
Implicit Place search using SMT with State Equation took 620 ms to find 0 implicit places.
[2023-03-22 18:58:18] [INFO ] Flow matrix only has 336 transitions (discarded 126 similar events)
[2023-03-22 18:58:18] [INFO ] Invariant cache hit.
[2023-03-22 18:58:18] [INFO ] Dead Transitions using invariants and state equation in 210 ms found 0 transitions.
Finished structural reductions in LTL mode , in 1 iterations and 848 ms. Remains : 219/219 places, 462/462 transitions.
Support contains 175 out of 219 places after structural reductions.
[2023-03-22 18:58:18] [INFO ] Flatten gal took : 44 ms
[2023-03-22 18:58:18] [INFO ] Flatten gal took : 42 ms
[2023-03-22 18:58:18] [INFO ] Input system was already deterministic with 462 transitions.
Finished random walk after 87 steps, including 0 resets, run visited all 19 properties in 38 ms. (steps per millisecond=2 )
Computed a total of 1 stabilizing places and 7 stable transitions
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202303021504/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!(F(G(p0)))'
Support contains 14 out of 219 places. Attempting structural reductions.
Starting structural reductions in SI_LTL mode, iteration 0 : 219/219 places, 462/462 transitions.
Applied a total of 0 rules in 34 ms. Remains 219 /219 variables (removed 0) and now considering 462/462 (removed 0) transitions.
[2023-03-22 18:58:19] [INFO ] Flow matrix only has 336 transitions (discarded 126 similar events)
[2023-03-22 18:58:19] [INFO ] Invariant cache hit.
[2023-03-22 18:58:19] [INFO ] Implicit Places using invariants in 215 ms returned []
[2023-03-22 18:58:19] [INFO ] Flow matrix only has 336 transitions (discarded 126 similar events)
[2023-03-22 18:58:19] [INFO ] Invariant cache hit.
[2023-03-22 18:58:19] [INFO ] State equation strengthened by 91 read => feed constraints.
[2023-03-22 18:58:19] [INFO ] Implicit Places using invariants and state equation in 364 ms returned []
Implicit Place search using SMT with State Equation took 587 ms to find 0 implicit places.
[2023-03-22 18:58:19] [INFO ] Redundant transitions in 34 ms returned []
[2023-03-22 18:58:19] [INFO ] Flow matrix only has 336 transitions (discarded 126 similar events)
[2023-03-22 18:58:19] [INFO ] Invariant cache hit.
[2023-03-22 18:58:19] [INFO ] Dead Transitions using invariants and state equation in 183 ms found 0 transitions.
Finished structural reductions in SI_LTL mode , in 1 iterations and 851 ms. Remains : 219/219 places, 462/462 transitions.
Stuttering acceptance computed with spot in 131 ms :[(NOT p0)]
Running random walk in product with property : LamportFastMutEx-COL-7-LTLCardinality-00 automaton TGBA Formula[mat=[[{ cond=p0, acceptance={} source=0 dest: 0}, { cond=(NOT p0), acceptance={0} source=0 dest: 0}]], initial=0, aps=[p0:(OR (GT 1 (ADD s135 s136 s137 s138 s139 s140 s141)) (GT 1 (ADD s37 s38 s39 s40 s41 s42 s43)))], 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 399 ms.
Stack based approach found an accepted trace after 647 steps with 0 reset with depth 648 and stack size 648 in 3 ms.
FORMULA LamportFastMutEx-COL-7-LTLCardinality-00 FALSE TECHNIQUES STACK_TEST
Treatment of property LamportFastMutEx-COL-7-LTLCardinality-00 finished in 1443 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)&&F((p0&&X(p1)))) U X(p2)))'
Support contains 28 out of 219 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 219/219 places, 462/462 transitions.
Applied a total of 0 rules in 15 ms. Remains 219 /219 variables (removed 0) and now considering 462/462 (removed 0) transitions.
[2023-03-22 18:58:20] [INFO ] Flow matrix only has 336 transitions (discarded 126 similar events)
[2023-03-22 18:58:20] [INFO ] Invariant cache hit.
[2023-03-22 18:58:20] [INFO ] Implicit Places using invariants in 137 ms returned [135, 136, 137, 138, 139, 140, 141]
Discarding 7 places :
Implicit Place search using SMT only with invariants took 141 ms to find 7 implicit places.
Starting structural reductions in LTL mode, iteration 1 : 212/219 places, 462/462 transitions.
Applied a total of 0 rules in 14 ms. Remains 212 /212 variables (removed 0) and now considering 462/462 (removed 0) transitions.
Finished structural reductions in LTL mode , in 2 iterations and 170 ms. Remains : 212/219 places, 462/462 transitions.
Stuttering acceptance computed with spot in 286 ms :[(NOT p2), (NOT p2), (NOT p2), true, (NOT p0), (OR (NOT p0) (NOT p1)), (NOT p1)]
Running random walk in product with property : LamportFastMutEx-COL-7-LTLCardinality-02 automaton TGBA Formula[mat=[[{ cond=(NOT p0), acceptance={} source=0 dest: 1}, { cond=p0, acceptance={} source=0 dest: 2}], [{ cond=(NOT p2), acceptance={} source=1 dest: 3}], [{ cond=(AND p0 (NOT p2)), acceptance={0} source=2 dest: 2}, { cond=(AND (NOT p0) (NOT p2)), acceptance={0} source=2 dest: 3}, { cond=(AND p0 (NOT p2)), acceptance={0} source=2 dest: 4}, { cond=(AND p0 (NOT p2) (NOT p1)), acceptance={0} source=2 dest: 6}], [{ cond=true, acceptance={0} source=3 dest: 3}], [{ cond=(NOT p0), acceptance={} source=4 dest: 3}, { cond=p0, acceptance={} source=4 dest: 4}], [{ cond=(NOT p0), acceptance={0} source=5 dest: 5}, { cond=p0, acceptance={0} source=5 dest: 6}], [{ cond=(AND (NOT p0) (NOT p1)), acceptance={0} source=6 dest: 5}, { cond=(AND p0 (NOT p1)), acceptance={0} source=6 dest: 6}]], initial=0, aps=[p0:(LEQ 3 (ADD s37 s38 s39 s40 s41 s42 s43)), p2:(LEQ (ADD s65 s66 s67 s68 s69 s70 s71) (ADD s205 s206 s207 s208 s209 s210 s211)), p1:(LEQ 3 (ADD s58 s59 ...], nbAcceptance=1, properties=[trans-labels, explicit-labels, trans-acc, no-univ-branch, stutter-sensitive, weak, inherently-weak], stateDesc=[null, null, null, null, null, null, null][false, false, false, false, false, false, false]]
Product exploration explored 100000 steps with 50000 reset in 274 ms.
Product exploration explored 100000 steps with 50000 reset in 299 ms.
Computed a total of 1 stabilizing places and 7 stable transitions
Computed a total of 1 stabilizing places and 7 stable transitions
Knowledge obtained : [(AND (NOT p0) p2 (NOT p1)), (X (NOT (AND p0 (NOT p2) (NOT p1)))), (X (NOT (AND (NOT p0) (NOT p2)))), (X (NOT (AND p0 (NOT p2)))), (X p2), true, (X (X (NOT (AND p0 (NOT p2) (NOT p1))))), (X (X (NOT (AND (NOT p0) (NOT p2))))), (X (X (NOT (AND p0 (NOT p1))))), (X (X (NOT p0))), (X (X (NOT (AND p0 (NOT p2))))), (X (X (AND (NOT p0) (NOT p1))))]
False Knowledge obtained : []
Property proved to be true thanks to knowledge :(X (NOT (AND p0 (NOT p2))))
Knowledge based reduction with 12 factoid took 212 ms. Reduced automaton from 7 states, 14 edges and 3 AP (stutter sensitive) to 1 states, 0 edges and 0 AP (stutter insensitive).
FORMULA LamportFastMutEx-COL-7-LTLCardinality-02 TRUE TECHNIQUES KNOWLEDGE
Treatment of property LamportFastMutEx-COL-7-LTLCardinality-02 finished in 1280 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 49 out of 219 places. Attempting structural reductions.
Starting structural reductions in SI_LTL mode, iteration 0 : 219/219 places, 462/462 transitions.
Applied a total of 0 rules in 20 ms. Remains 219 /219 variables (removed 0) and now considering 462/462 (removed 0) transitions.
[2023-03-22 18:58:21] [INFO ] Flow matrix only has 336 transitions (discarded 126 similar events)
[2023-03-22 18:58:21] [INFO ] Invariant cache hit.
[2023-03-22 18:58:22] [INFO ] Implicit Places using invariants in 189 ms returned [135, 136, 137, 138, 139, 140, 141]
Discarding 7 places :
Implicit Place search using SMT only with invariants took 191 ms to find 7 implicit places.
Starting structural reductions in SI_LTL mode, iteration 1 : 212/219 places, 462/462 transitions.
Performed 7 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 0 with 7 Pre rules applied. Total rules applied 0 place count 212 transition count 455
Deduced a syphon composed of 7 places in 2 ms
Reduce places removed 7 places and 0 transitions.
Iterating global reduction 0 with 14 rules applied. Total rules applied 14 place count 205 transition count 455
Applied a total of 14 rules in 23 ms. Remains 205 /212 variables (removed 7) and now considering 455/462 (removed 7) transitions.
[2023-03-22 18:58:22] [INFO ] Flow matrix only has 329 transitions (discarded 126 similar events)
// Phase 1: matrix 329 rows 205 cols
[2023-03-22 18:58:22] [INFO ] Computed 58 place invariants in 2 ms
[2023-03-22 18:58:22] [INFO ] Implicit Places using invariants in 218 ms returned []
[2023-03-22 18:58:22] [INFO ] Flow matrix only has 329 transitions (discarded 126 similar events)
[2023-03-22 18:58:22] [INFO ] Invariant cache hit.
[2023-03-22 18:58:22] [INFO ] State equation strengthened by 42 read => feed constraints.
[2023-03-22 18:58:22] [INFO ] Implicit Places using invariants and state equation in 290 ms returned []
Implicit Place search using SMT with State Equation took 512 ms to find 0 implicit places.
Starting structural reductions in SI_LTL mode, iteration 2 : 205/219 places, 455/462 transitions.
Finished structural reductions in SI_LTL mode , in 2 iterations and 747 ms. Remains : 205/219 places, 455/462 transitions.
Stuttering acceptance computed with spot in 64 ms :[(NOT p0), (NOT p0)]
Running random walk in product with property : LamportFastMutEx-COL-7-LTLCardinality-03 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 1 (ADD s86 s87 s88 s89 s90 s91 s92 s93 s94 s95 s96 s97 s98 s99 s100 s101 s102 s103 s104 s105 s106 s107 s108 s109 s110 s111 s112 s113 s114 s115 s11...], 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 3541 reset in 305 ms.
Product exploration explored 100000 steps with 3530 reset in 284 ms.
Computed a total of 1 stabilizing places and 7 stable transitions
Computed a total of 1 stabilizing places and 7 stable transitions
Knowledge obtained : [(NOT p0), (X (NOT p0)), (X (X (NOT p0)))]
False Knowledge obtained : []
Knowledge based reduction with 3 factoid took 109 ms. Reduced automaton from 2 states, 3 edges and 1 AP (stutter insensitive) to 2 states, 3 edges and 1 AP (stutter insensitive).
Stuttering acceptance computed with spot in 65 ms :[(NOT p0), (NOT p0)]
Finished random walk after 25 steps, including 0 resets, run visited all 1 properties in 1 ms. (steps per millisecond=25 )
Knowledge obtained : [(NOT p0), (X (NOT p0)), (X (X (NOT p0)))]
False Knowledge obtained : [(F p0)]
Knowledge based reduction with 3 factoid took 134 ms. Reduced automaton from 2 states, 3 edges and 1 AP (stutter insensitive) to 2 states, 3 edges and 1 AP (stutter insensitive).
Stuttering acceptance computed with spot in 142 ms :[(NOT p0), (NOT p0)]
Stuttering acceptance computed with spot in 68 ms :[(NOT p0), (NOT p0)]
[2023-03-22 18:58:23] [INFO ] Flow matrix only has 329 transitions (discarded 126 similar events)
[2023-03-22 18:58:23] [INFO ] Invariant cache hit.
[2023-03-22 18:58:23] [INFO ] [Real]Absence check using 58 positive place invariants in 24 ms returned sat
[2023-03-22 18:58:23] [INFO ] [Real]Adding state equation constraints to refine reachable states.
[2023-03-22 18:58:24] [INFO ] [Real]Absence check using state equation in 133 ms returned sat
[2023-03-22 18:58:24] [INFO ] Solution in real domain found non-integer solution.
[2023-03-22 18:58:24] [INFO ] [Nat]Absence check using 58 positive place invariants in 16 ms returned sat
[2023-03-22 18:58:24] [INFO ] [Nat]Adding state equation constraints to refine reachable states.
[2023-03-22 18:58:24] [INFO ] [Nat]Absence check using state equation in 109 ms returned sat
[2023-03-22 18:58:24] [INFO ] State equation strengthened by 42 read => feed constraints.
[2023-03-22 18:58:24] [INFO ] [Nat]Added 42 Read/Feed constraints in 9 ms returned sat
[2023-03-22 18:58:24] [INFO ] Deduced a trap composed of 11 places in 100 ms of which 4 ms to minimize.
[2023-03-22 18:58:24] [INFO ] Deduced a trap composed of 16 places in 136 ms of which 4 ms to minimize.
[2023-03-22 18:58:24] [INFO ] Deduced a trap composed of 13 places in 98 ms of which 1 ms to minimize.
[2023-03-22 18:58:24] [INFO ] Trap strengthening (SAT) tested/added 4/3 trap constraints in 411 ms
[2023-03-22 18:58:24] [INFO ] Computed and/alt/rep : 287/1617/287 causal constraints (skipped 35 transitions) in 30 ms.
[2023-03-22 18:58:26] [INFO ] Added : 234 causal constraints over 47 iterations in 1568 ms. Result :sat
Could not prove EG (NOT p0)
Support contains 49 out of 205 places. Attempting structural reductions.
Starting structural reductions in SI_LTL mode, iteration 0 : 205/205 places, 455/455 transitions.
Applied a total of 0 rules in 16 ms. Remains 205 /205 variables (removed 0) and now considering 455/455 (removed 0) transitions.
[2023-03-22 18:58:26] [INFO ] Flow matrix only has 329 transitions (discarded 126 similar events)
[2023-03-22 18:58:26] [INFO ] Invariant cache hit.
[2023-03-22 18:58:26] [INFO ] Implicit Places using invariants in 135 ms returned []
[2023-03-22 18:58:26] [INFO ] Flow matrix only has 329 transitions (discarded 126 similar events)
[2023-03-22 18:58:26] [INFO ] Invariant cache hit.
[2023-03-22 18:58:26] [INFO ] State equation strengthened by 42 read => feed constraints.
[2023-03-22 18:58:26] [INFO ] Implicit Places using invariants and state equation in 355 ms returned []
Implicit Place search using SMT with State Equation took 493 ms to find 0 implicit places.
[2023-03-22 18:58:27] [INFO ] Redundant transitions in 14 ms returned []
[2023-03-22 18:58:27] [INFO ] Flow matrix only has 329 transitions (discarded 126 similar events)
[2023-03-22 18:58:27] [INFO ] Invariant cache hit.
[2023-03-22 18:58:27] [INFO ] Dead Transitions using invariants and state equation in 216 ms found 0 transitions.
Finished structural reductions in SI_LTL mode , in 1 iterations and 760 ms. Remains : 205/205 places, 455/455 transitions.
Computed a total of 1 stabilizing places and 7 stable transitions
Computed a total of 1 stabilizing places and 7 stable transitions
Knowledge obtained : [(NOT p0), (X (NOT p0)), (X (X (NOT p0)))]
False Knowledge obtained : []
Knowledge based reduction with 3 factoid took 119 ms. Reduced automaton from 2 states, 3 edges and 1 AP (stutter insensitive) to 2 states, 3 edges and 1 AP (stutter insensitive).
Stuttering acceptance computed with spot in 65 ms :[(NOT p0), (NOT p0)]
Finished random walk after 45 steps, including 0 resets, run visited all 1 properties in 1 ms. (steps per millisecond=45 )
Knowledge obtained : [(NOT p0), (X (NOT p0)), (X (X (NOT p0)))]
False Knowledge obtained : [(F p0)]
Knowledge based reduction with 3 factoid took 117 ms. Reduced automaton from 2 states, 3 edges and 1 AP (stutter insensitive) to 2 states, 3 edges and 1 AP (stutter insensitive).
Stuttering acceptance computed with spot in 75 ms :[(NOT p0), (NOT p0)]
Stuttering acceptance computed with spot in 72 ms :[(NOT p0), (NOT p0)]
[2023-03-22 18:58:27] [INFO ] Flow matrix only has 329 transitions (discarded 126 similar events)
[2023-03-22 18:58:27] [INFO ] Invariant cache hit.
[2023-03-22 18:58:27] [INFO ] [Real]Absence check using 58 positive place invariants in 20 ms returned sat
[2023-03-22 18:58:27] [INFO ] [Real]Adding state equation constraints to refine reachable states.
[2023-03-22 18:58:28] [INFO ] [Real]Absence check using state equation in 131 ms returned sat
[2023-03-22 18:58:28] [INFO ] Solution in real domain found non-integer solution.
[2023-03-22 18:58:28] [INFO ] [Nat]Absence check using 58 positive place invariants in 14 ms returned sat
[2023-03-22 18:58:28] [INFO ] [Nat]Adding state equation constraints to refine reachable states.
[2023-03-22 18:58:28] [INFO ] [Nat]Absence check using state equation in 92 ms returned sat
[2023-03-22 18:58:28] [INFO ] State equation strengthened by 42 read => feed constraints.
[2023-03-22 18:58:28] [INFO ] [Nat]Added 42 Read/Feed constraints in 8 ms returned sat
[2023-03-22 18:58:28] [INFO ] Deduced a trap composed of 11 places in 90 ms of which 1 ms to minimize.
[2023-03-22 18:58:28] [INFO ] Deduced a trap composed of 16 places in 98 ms of which 16 ms to minimize.
[2023-03-22 18:58:28] [INFO ] Deduced a trap composed of 13 places in 64 ms of which 0 ms to minimize.
[2023-03-22 18:58:28] [INFO ] Trap strengthening (SAT) tested/added 4/3 trap constraints in 296 ms
[2023-03-22 18:58:28] [INFO ] Computed and/alt/rep : 287/1617/287 causal constraints (skipped 35 transitions) in 26 ms.
[2023-03-22 18:58:30] [INFO ] Added : 234 causal constraints over 47 iterations in 1512 ms. Result :sat
Could not prove EG (NOT p0)
Stuttering acceptance computed with spot in 66 ms :[(NOT p0), (NOT p0)]
Product exploration explored 100000 steps with 3547 reset in 271 ms.
Product exploration explored 100000 steps with 3535 reset in 283 ms.
Support contains 49 out of 205 places. Attempting structural reductions.
Starting structural reductions in SI_LTL mode, iteration 0 : 205/205 places, 455/455 transitions.
Applied a total of 0 rules in 10 ms. Remains 205 /205 variables (removed 0) and now considering 455/455 (removed 0) transitions.
[2023-03-22 18:58:30] [INFO ] Flow matrix only has 329 transitions (discarded 126 similar events)
[2023-03-22 18:58:30] [INFO ] Invariant cache hit.
[2023-03-22 18:58:30] [INFO ] Implicit Places using invariants in 129 ms returned []
[2023-03-22 18:58:30] [INFO ] Flow matrix only has 329 transitions (discarded 126 similar events)
[2023-03-22 18:58:30] [INFO ] Invariant cache hit.
[2023-03-22 18:58:31] [INFO ] State equation strengthened by 42 read => feed constraints.
[2023-03-22 18:58:31] [INFO ] Implicit Places using invariants and state equation in 281 ms returned []
Implicit Place search using SMT with State Equation took 412 ms to find 0 implicit places.
[2023-03-22 18:58:31] [INFO ] Redundant transitions in 4 ms returned []
[2023-03-22 18:58:31] [INFO ] Flow matrix only has 329 transitions (discarded 126 similar events)
[2023-03-22 18:58:31] [INFO ] Invariant cache hit.
[2023-03-22 18:58:31] [INFO ] Dead Transitions using invariants and state equation in 160 ms found 0 transitions.
Finished structural reductions in SI_LTL mode , in 1 iterations and 593 ms. Remains : 205/205 places, 455/455 transitions.
Treatment of property LamportFastMutEx-COL-7-LTLCardinality-03 finished in 9677 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(G(p0))&&F(p1))))'
Support contains 56 out of 219 places. Attempting structural reductions.
Starting structural reductions in SI_LTL mode, iteration 0 : 219/219 places, 462/462 transitions.
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 0 with 14 rules applied. Total rules applied 14 place count 212 transition count 455
Applied a total of 14 rules in 12 ms. Remains 212 /219 variables (removed 7) and now considering 455/462 (removed 7) transitions.
[2023-03-22 18:58:31] [INFO ] Flow matrix only has 329 transitions (discarded 126 similar events)
// Phase 1: matrix 329 rows 212 cols
[2023-03-22 18:58:31] [INFO ] Computed 65 place invariants in 2 ms
[2023-03-22 18:58:31] [INFO ] Implicit Places using invariants in 348 ms returned [128, 129, 130, 131, 132, 133, 134]
Discarding 7 places :
Implicit Place search using SMT only with invariants took 349 ms to find 7 implicit places.
Starting structural reductions in SI_LTL mode, iteration 1 : 205/219 places, 455/462 transitions.
Applied a total of 0 rules in 9 ms. Remains 205 /205 variables (removed 0) and now considering 455/455 (removed 0) transitions.
Finished structural reductions in SI_LTL mode , in 2 iterations and 370 ms. Remains : 205/219 places, 455/462 transitions.
Stuttering acceptance computed with spot in 119 ms :[(OR (NOT p0) (NOT p1)), (NOT p0), (NOT p1)]
Running random walk in product with property : LamportFastMutEx-COL-7-LTLCardinality-04 automaton TGBA Formula[mat=[[{ cond=true, acceptance={} source=0 dest: 0}, { cond=(NOT p0), acceptance={} source=0 dest: 1}, { cond=(NOT p1), acceptance={} source=0 dest: 2}], [{ cond=p0, acceptance={} source=1 dest: 1}, { cond=(NOT p0), acceptance={0} source=1 dest: 1}], [{ cond=(NOT p1), acceptance={0} source=2 dest: 2}]], initial=0, aps=[p0:(LEQ 1 (ADD s0 s1 s2 s3 s4 s5 s6)), p1:(LEQ 2 (ADD s128 s129 s130 s131 s132 s133 s134 s135 s136 s137 s138 s139 s140 s141 s142 s143 s144 s145 s146 s147 ...], nbAcceptance=1, properties=[trans-labels, explicit-labels, trans-acc, no-univ-branch, stutter-invariant], stateDesc=[null, null, null][true, true, true]]
Product exploration explored 100000 steps with 1612 reset in 250 ms.
Product exploration explored 100000 steps with 3372 reset in 301 ms.
Computed a total of 1 stabilizing places and 7 stable transitions
Computed a total of 1 stabilizing places and 7 stable transitions
Knowledge obtained : [(AND p0 (NOT p1)), (X (NOT p1)), (X p0), (X (X (NOT p1))), (X (X p0))]
False Knowledge obtained : []
Knowledge based reduction with 5 factoid took 202 ms. Reduced automaton from 3 states, 6 edges and 2 AP (stutter insensitive) to 3 states, 6 edges and 2 AP (stutter insensitive).
Stuttering acceptance computed with spot in 109 ms :[(OR (NOT p0) (NOT p1)), (NOT p0), (NOT p1)]
Finished random walk after 33 steps, including 0 resets, run visited all 2 properties in 2 ms. (steps per millisecond=16 )
Knowledge obtained : [(AND p0 (NOT p1)), (X (NOT p1)), (X p0), (X (X (NOT p1))), (X (X p0))]
False Knowledge obtained : [(F (NOT p0)), (F p1)]
Knowledge based reduction with 5 factoid took 267 ms. Reduced automaton from 3 states, 6 edges and 2 AP (stutter insensitive) to 3 states, 6 edges and 2 AP (stutter insensitive).
Stuttering acceptance computed with spot in 112 ms :[(OR (NOT p0) (NOT p1)), (NOT p0), (NOT p1)]
Stuttering acceptance computed with spot in 98 ms :[(OR (NOT p0) (NOT p1)), (NOT p0), (NOT p1)]
[2023-03-22 18:58:33] [INFO ] Flow matrix only has 329 transitions (discarded 126 similar events)
// Phase 1: matrix 329 rows 205 cols
[2023-03-22 18:58:33] [INFO ] Computed 58 place invariants in 4 ms
[2023-03-22 18:58:33] [INFO ] [Real]Absence check using 58 positive place invariants in 20 ms returned sat
[2023-03-22 18:58:33] [INFO ] [Real]Adding state equation constraints to refine reachable states.
[2023-03-22 18:58:33] [INFO ] [Real]Absence check using state equation in 142 ms returned sat
[2023-03-22 18:58:33] [INFO ] Solution in real domain found non-integer solution.
[2023-03-22 18:58:33] [INFO ] [Nat]Absence check using 58 positive place invariants in 21 ms returned sat
[2023-03-22 18:58:33] [INFO ] [Nat]Adding state equation constraints to refine reachable states.
[2023-03-22 18:58:34] [INFO ] [Nat]Absence check using state equation in 123 ms returned sat
[2023-03-22 18:58:34] [INFO ] State equation strengthened by 42 read => feed constraints.
[2023-03-22 18:58:34] [INFO ] [Nat]Added 42 Read/Feed constraints in 18 ms returned sat
[2023-03-22 18:58:34] [INFO ] Deduced a trap composed of 16 places in 43 ms of which 0 ms to minimize.
[2023-03-22 18:58:34] [INFO ] Trap strengthening (SAT) tested/added 2/1 trap constraints in 69 ms
[2023-03-22 18:58:34] [INFO ] Computed and/alt/rep : 294/1757/294 causal constraints (skipped 28 transitions) in 23 ms.
[2023-03-22 18:58:35] [INFO ] Deduced a trap composed of 9 places in 32 ms of which 1 ms to minimize.
[2023-03-22 18:58:35] [INFO ] Deduced a trap composed of 15 places in 44 ms of which 0 ms to minimize.
[2023-03-22 18:58:35] [INFO ] Trap strengthening (SAT) tested/added 3/2 trap constraints in 154 ms
[2023-03-22 18:58:35] [INFO ] Added : 235 causal constraints over 48 iterations in 1688 ms. Result :sat
Could not prove EG (NOT p1)
Support contains 56 out of 205 places. Attempting structural reductions.
Starting structural reductions in SI_LTL mode, iteration 0 : 205/205 places, 455/455 transitions.
Applied a total of 0 rules in 17 ms. Remains 205 /205 variables (removed 0) and now considering 455/455 (removed 0) transitions.
[2023-03-22 18:58:35] [INFO ] Flow matrix only has 329 transitions (discarded 126 similar events)
[2023-03-22 18:58:35] [INFO ] Invariant cache hit.
[2023-03-22 18:58:35] [INFO ] Implicit Places using invariants in 110 ms returned []
[2023-03-22 18:58:35] [INFO ] Flow matrix only has 329 transitions (discarded 126 similar events)
[2023-03-22 18:58:35] [INFO ] Invariant cache hit.
[2023-03-22 18:58:36] [INFO ] State equation strengthened by 42 read => feed constraints.
[2023-03-22 18:58:36] [INFO ] Implicit Places using invariants and state equation in 253 ms returned []
Implicit Place search using SMT with State Equation took 364 ms to find 0 implicit places.
[2023-03-22 18:58:36] [INFO ] Redundant transitions in 4 ms returned []
[2023-03-22 18:58:36] [INFO ] Flow matrix only has 329 transitions (discarded 126 similar events)
[2023-03-22 18:58:36] [INFO ] Invariant cache hit.
[2023-03-22 18:58:36] [INFO ] Dead Transitions using invariants and state equation in 169 ms found 0 transitions.
Finished structural reductions in SI_LTL mode , in 1 iterations and 559 ms. Remains : 205/205 places, 455/455 transitions.
Computed a total of 1 stabilizing places and 7 stable transitions
Computed a total of 1 stabilizing places and 7 stable transitions
Knowledge obtained : [(AND p0 (NOT p1)), (X (NOT p1)), (X p0), (X (X (NOT p1))), (X (X p0))]
False Knowledge obtained : []
Knowledge based reduction with 5 factoid took 190 ms. Reduced automaton from 3 states, 6 edges and 2 AP (stutter insensitive) to 3 states, 6 edges and 2 AP (stutter insensitive).
Stuttering acceptance computed with spot in 115 ms :[(OR (NOT p0) (NOT p1)), (NOT p0), (NOT p1)]
Finished random walk after 25 steps, including 0 resets, run visited all 2 properties in 2 ms. (steps per millisecond=12 )
Knowledge obtained : [(AND p0 (NOT p1)), (X (NOT p1)), (X p0), (X (X (NOT p1))), (X (X p0))]
False Knowledge obtained : [(F (NOT p0)), (F p1)]
Knowledge based reduction with 5 factoid took 235 ms. Reduced automaton from 3 states, 6 edges and 2 AP (stutter insensitive) to 3 states, 6 edges and 2 AP (stutter insensitive).
Stuttering acceptance computed with spot in 99 ms :[(OR (NOT p0) (NOT p1)), (NOT p0), (NOT p1)]
Stuttering acceptance computed with spot in 109 ms :[(OR (NOT p0) (NOT p1)), (NOT p0), (NOT p1)]
[2023-03-22 18:58:37] [INFO ] Flow matrix only has 329 transitions (discarded 126 similar events)
[2023-03-22 18:58:37] [INFO ] Invariant cache hit.
[2023-03-22 18:58:37] [INFO ] [Real]Absence check using 58 positive place invariants in 20 ms returned sat
[2023-03-22 18:58:37] [INFO ] [Real]Adding state equation constraints to refine reachable states.
[2023-03-22 18:58:37] [INFO ] [Real]Absence check using state equation in 130 ms returned sat
[2023-03-22 18:58:37] [INFO ] Solution in real domain found non-integer solution.
[2023-03-22 18:58:37] [INFO ] [Nat]Absence check using 58 positive place invariants in 30 ms returned sat
[2023-03-22 18:58:37] [INFO ] [Nat]Adding state equation constraints to refine reachable states.
[2023-03-22 18:58:37] [INFO ] [Nat]Absence check using state equation in 199 ms returned sat
[2023-03-22 18:58:37] [INFO ] State equation strengthened by 42 read => feed constraints.
[2023-03-22 18:58:37] [INFO ] [Nat]Added 42 Read/Feed constraints in 19 ms returned sat
[2023-03-22 18:58:38] [INFO ] Deduced a trap composed of 43 places in 61 ms of which 1 ms to minimize.
[2023-03-22 18:58:38] [INFO ] Deduced a trap composed of 9 places in 52 ms of which 1 ms to minimize.
[2023-03-22 18:58:38] [INFO ] Deduced a trap composed of 18 places in 44 ms of which 0 ms to minimize.
[2023-03-22 18:58:38] [INFO ] Deduced a trap composed of 16 places in 48 ms of which 0 ms to minimize.
[2023-03-22 18:58:38] [INFO ] Deduced a trap composed of 16 places in 46 ms of which 0 ms to minimize.
[2023-03-22 18:58:38] [INFO ] Deduced a trap composed of 16 places in 47 ms of which 0 ms to minimize.
[2023-03-22 18:58:38] [INFO ] Deduced a trap composed of 16 places in 53 ms of which 0 ms to minimize.
[2023-03-22 18:58:38] [INFO ] Deduced a trap composed of 27 places in 60 ms of which 0 ms to minimize.
[2023-03-22 18:58:38] [INFO ] Deduced a trap composed of 16 places in 50 ms of which 0 ms to minimize.
[2023-03-22 18:58:38] [INFO ] Deduced a trap composed of 16 places in 57 ms of which 1 ms to minimize.
[2023-03-22 18:58:38] [INFO ] Trap strengthening (SAT) tested/added 11/10 trap constraints in 683 ms
[2023-03-22 18:58:38] [INFO ] Computed and/alt/rep : 294/1757/294 causal constraints (skipped 28 transitions) in 24 ms.
[2023-03-22 18:58:40] [INFO ] Added : 226 causal constraints over 46 iterations in 1432 ms. Result :sat
Could not prove EG (NOT p1)
Stuttering acceptance computed with spot in 112 ms :[(OR (NOT p0) (NOT p1)), (NOT p0), (NOT p1)]
Product exploration explored 100000 steps with 2426 reset in 276 ms.
Product exploration explored 100000 steps with 3372 reset in 307 ms.
Support contains 56 out of 205 places. Attempting structural reductions.
Starting structural reductions in SI_LTL mode, iteration 0 : 205/205 places, 455/455 transitions.
Applied a total of 0 rules in 6 ms. Remains 205 /205 variables (removed 0) and now considering 455/455 (removed 0) transitions.
[2023-03-22 18:58:40] [INFO ] Flow matrix only has 329 transitions (discarded 126 similar events)
[2023-03-22 18:58:40] [INFO ] Invariant cache hit.
[2023-03-22 18:58:40] [INFO ] Implicit Places using invariants in 129 ms returned []
[2023-03-22 18:58:40] [INFO ] Flow matrix only has 329 transitions (discarded 126 similar events)
[2023-03-22 18:58:40] [INFO ] Invariant cache hit.
[2023-03-22 18:58:41] [INFO ] State equation strengthened by 42 read => feed constraints.
[2023-03-22 18:58:41] [INFO ] Implicit Places using invariants and state equation in 253 ms returned []
Implicit Place search using SMT with State Equation took 394 ms to find 0 implicit places.
[2023-03-22 18:58:41] [INFO ] Redundant transitions in 3 ms returned []
[2023-03-22 18:58:41] [INFO ] Flow matrix only has 329 transitions (discarded 126 similar events)
[2023-03-22 18:58:41] [INFO ] Invariant cache hit.
[2023-03-22 18:58:41] [INFO ] Dead Transitions using invariants and state equation in 182 ms found 0 transitions.
Finished structural reductions in SI_LTL mode , in 1 iterations and 607 ms. Remains : 205/205 places, 455/455 transitions.
Treatment of property LamportFastMutEx-COL-7-LTLCardinality-04 finished in 9976 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(F((p0||G(p1)||G(F(p2)))))))'
Support contains 28 out of 219 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 219/219 places, 462/462 transitions.
Applied a total of 0 rules in 1 ms. Remains 219 /219 variables (removed 0) and now considering 462/462 (removed 0) transitions.
[2023-03-22 18:58:41] [INFO ] Flow matrix only has 336 transitions (discarded 126 similar events)
// Phase 1: matrix 336 rows 219 cols
[2023-03-22 18:58:41] [INFO ] Computed 65 place invariants in 11 ms
[2023-03-22 18:58:41] [INFO ] Implicit Places using invariants in 335 ms returned [135, 136, 137, 138, 139, 140, 141]
Discarding 7 places :
Implicit Place search using SMT only with invariants took 336 ms to find 7 implicit places.
Starting structural reductions in LTL mode, iteration 1 : 212/219 places, 462/462 transitions.
Applied a total of 0 rules in 2 ms. Remains 212 /212 variables (removed 0) and now considering 462/462 (removed 0) transitions.
Finished structural reductions in LTL mode , in 2 iterations and 340 ms. Remains : 212/219 places, 462/462 transitions.
Stuttering acceptance computed with spot in 149 ms :[(AND (NOT p0) (NOT p1) (NOT p2)), (AND (NOT p0) (NOT p1) (NOT p2)), (AND (NOT p0) (NOT p1) (NOT p2)), (AND (NOT p0) (NOT p1) (NOT p2))]
Running random walk in product with property : LamportFastMutEx-COL-7-LTLCardinality-05 automaton TGBA Formula[mat=[[{ cond=(NOT p0), acceptance={} source=0 dest: 0}, { cond=(AND (NOT p1) (NOT p2) (NOT p0)), acceptance={} source=0 dest: 1}], [{ cond=(AND p1 (NOT p2) (NOT p0)), acceptance={} source=1 dest: 1}, { cond=(AND (NOT p1) (NOT p2) (NOT p0)), acceptance={0} source=1 dest: 1}], [{ cond=true, acceptance={} source=2 dest: 0}], [{ cond=true, acceptance={} source=3 dest: 2}]], initial=3, aps=[p0:(LEQ (ADD s191 s192 s193 s194 s195 s196 s197) (ADD s44 s45 s46 s47 s48 s49 s50)), p1:(OR (LEQ 3 (ADD s58 s59 s60 s61 s62 s63 s64)) (LEQ 2 (ADD s37 s38 ...], nbAcceptance=1, properties=[trans-labels, explicit-labels, trans-acc, no-univ-branch, stutter-sensitive], stateDesc=[null, null, null, null][false, false, false, false]]
Product exploration explored 100000 steps with 33333 reset in 209 ms.
Product exploration explored 100000 steps with 33333 reset in 212 ms.
Computed a total of 1 stabilizing places and 7 stable transitions
Computed a total of 1 stabilizing places and 7 stable transitions
Knowledge obtained : [(AND p0 (NOT p1) (NOT p2)), (X (X p0)), (X (X (NOT (AND (NOT p1) (NOT p2) (NOT p0)))))]
False Knowledge obtained : []
Property proved to be true thanks to knowledge :(X (X p0))
Knowledge based reduction with 3 factoid took 71 ms. Reduced automaton from 4 states, 6 edges and 3 AP (stutter sensitive) to 1 states, 0 edges and 0 AP (stutter insensitive).
FORMULA LamportFastMutEx-COL-7-LTLCardinality-05 TRUE TECHNIQUES KNOWLEDGE
Treatment of property LamportFastMutEx-COL-7-LTLCardinality-05 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' '!(X(X(p0)))'
Support contains 49 out of 219 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 219/219 places, 462/462 transitions.
Applied a total of 0 rules in 3 ms. Remains 219 /219 variables (removed 0) and now considering 462/462 (removed 0) transitions.
[2023-03-22 18:58:42] [INFO ] Flow matrix only has 336 transitions (discarded 126 similar events)
[2023-03-22 18:58:42] [INFO ] Invariant cache hit.
[2023-03-22 18:58:42] [INFO ] Implicit Places using invariants in 130 ms returned [135, 136, 137, 138, 139, 140, 141]
Discarding 7 places :
Implicit Place search using SMT only with invariants took 131 ms to find 7 implicit places.
Starting structural reductions in LTL mode, iteration 1 : 212/219 places, 462/462 transitions.
Applied a total of 0 rules in 1 ms. Remains 212 /212 variables (removed 0) and now considering 462/462 (removed 0) transitions.
Finished structural reductions in LTL mode , in 2 iterations and 135 ms. Remains : 212/219 places, 462/462 transitions.
Stuttering acceptance computed with spot in 127 ms :[(NOT p0), (NOT p0), true, (NOT p0)]
Running random walk in product with property : LamportFastMutEx-COL-7-LTLCardinality-06 automaton TGBA Formula[mat=[[{ cond=(NOT p0), acceptance={} source=0 dest: 2}], [{ cond=true, acceptance={} source=1 dest: 0}], [{ cond=true, acceptance={0} source=2 dest: 2}], [{ cond=true, acceptance={} source=3 dest: 1}]], initial=3, aps=[p0:(GT 1 (ADD s135 s136 s137 s138 s139 s140 s141 s142 s143 s144 s145 s146 s147 s148 s149 s150 s151 s152 s153 s154 s155 s156 s157 s158 s159 s160 s161 s162 ...], 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][false, false, false, false]]
Product exploration explored 100000 steps with 33333 reset in 213 ms.
Product exploration explored 100000 steps with 33333 reset in 218 ms.
Computed a total of 1 stabilizing places and 7 stable transitions
Computed a total of 1 stabilizing places and 7 stable transitions
Knowledge obtained : [p0, (X (X p0))]
False Knowledge obtained : []
Property proved to be true thanks to knowledge :(X (X p0))
Knowledge based reduction with 2 factoid took 49 ms. Reduced automaton from 4 states, 4 edges and 1 AP (stutter sensitive) to 1 states, 0 edges and 0 AP (stutter insensitive).
FORMULA LamportFastMutEx-COL-7-LTLCardinality-06 TRUE TECHNIQUES KNOWLEDGE
Treatment of property LamportFastMutEx-COL-7-LTLCardinality-06 finished in 762 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)||X(G(p1)))))'
Support contains 70 out of 219 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 219/219 places, 462/462 transitions.
Applied a total of 0 rules in 4 ms. Remains 219 /219 variables (removed 0) and now considering 462/462 (removed 0) transitions.
[2023-03-22 18:58:43] [INFO ] Flow matrix only has 336 transitions (discarded 126 similar events)
[2023-03-22 18:58:43] [INFO ] Invariant cache hit.
[2023-03-22 18:58:43] [INFO ] Implicit Places using invariants in 120 ms returned [135, 136, 137, 138, 139, 140, 141]
Discarding 7 places :
Implicit Place search using SMT only with invariants took 121 ms to find 7 implicit places.
Starting structural reductions in LTL mode, iteration 1 : 212/219 places, 462/462 transitions.
Applied a total of 0 rules in 1 ms. Remains 212 /212 variables (removed 0) and now considering 462/462 (removed 0) transitions.
Finished structural reductions in LTL mode , in 2 iterations and 126 ms. Remains : 212/219 places, 462/462 transitions.
Stuttering acceptance computed with spot in 116 ms :[(AND (NOT p0) (NOT p1)), (AND (NOT p0) (NOT p1)), (NOT p0)]
Running random walk in product with property : LamportFastMutEx-COL-7-LTLCardinality-10 automaton TGBA Formula[mat=[[{ cond=true, acceptance={} source=0 dest: 0}, { cond=(NOT p0), acceptance={} source=0 dest: 1}], [{ cond=(AND (NOT p0) (NOT p1)), acceptance={} source=1 dest: 2}], [{ cond=(NOT p0), acceptance={0} source=2 dest: 2}]], initial=0, aps=[p0:(LEQ (ADD s44 s45 s46 s47 s48 s49 s50) (ADD s135 s136 s137 s138 s139 s140 s141 s142 s143 s144 s145 s146 s147 s148 s149 s150 s151 s152 s153 s154 s155 s1...], nbAcceptance=1, properties=[trans-labels, explicit-labels, trans-acc, no-univ-branch, stutter-sensitive, very-weak, weak, inherently-weak], stateDesc=[null, null, null][false, false, false]]
Product exploration explored 100000 steps with 4133 reset in 295 ms.
Product exploration explored 100000 steps with 4175 reset in 305 ms.
Computed a total of 1 stabilizing places and 7 stable transitions
Computed a total of 1 stabilizing places and 7 stable transitions
Knowledge obtained : [(AND p0 p1), (X (NOT (AND (NOT p0) (NOT p1)))), (X (X p0))]
False Knowledge obtained : []
Knowledge based reduction with 3 factoid took 112 ms. Reduced automaton from 3 states, 4 edges and 2 AP (stutter sensitive) to 3 states, 4 edges and 2 AP (stutter sensitive).
Stuttering acceptance computed with spot in 107 ms :[(AND (NOT p0) (NOT p1)), (AND (NOT p0) (NOT p1)), (NOT p0)]
Finished random walk after 18 steps, including 0 resets, run visited all 2 properties in 2 ms. (steps per millisecond=9 )
Knowledge obtained : [(AND p0 p1), (X (NOT (AND (NOT p0) (NOT p1)))), (X (X p0))]
False Knowledge obtained : [(F (NOT p0)), (F (AND (NOT p1) (NOT p0)))]
Knowledge based reduction with 3 factoid took 180 ms. Reduced automaton from 3 states, 4 edges and 2 AP (stutter sensitive) to 3 states, 4 edges and 2 AP (stutter sensitive).
Stuttering acceptance computed with spot in 113 ms :[(AND (NOT p0) (NOT p1)), (AND (NOT p0) (NOT p1)), (NOT p0)]
Stuttering acceptance computed with spot in 113 ms :[(AND (NOT p0) (NOT p1)), (AND (NOT p0) (NOT p1)), (NOT p0)]
Support contains 70 out of 212 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 212/212 places, 462/462 transitions.
Applied a total of 0 rules in 2 ms. Remains 212 /212 variables (removed 0) and now considering 462/462 (removed 0) transitions.
[2023-03-22 18:58:44] [INFO ] Flow matrix only has 336 transitions (discarded 126 similar events)
// Phase 1: matrix 336 rows 212 cols
[2023-03-22 18:58:44] [INFO ] Computed 58 place invariants in 2 ms
[2023-03-22 18:58:44] [INFO ] Implicit Places using invariants in 99 ms returned []
[2023-03-22 18:58:44] [INFO ] Flow matrix only has 336 transitions (discarded 126 similar events)
[2023-03-22 18:58:44] [INFO ] Invariant cache hit.
[2023-03-22 18:58:44] [INFO ] State equation strengthened by 42 read => feed constraints.
[2023-03-22 18:58:45] [INFO ] Implicit Places using invariants and state equation in 241 ms returned []
Implicit Place search using SMT with State Equation took 343 ms to find 0 implicit places.
[2023-03-22 18:58:45] [INFO ] Flow matrix only has 336 transitions (discarded 126 similar events)
[2023-03-22 18:58:45] [INFO ] Invariant cache hit.
[2023-03-22 18:58:45] [INFO ] Dead Transitions using invariants and state equation in 160 ms found 0 transitions.
Finished structural reductions in LTL mode , in 1 iterations and 512 ms. Remains : 212/212 places, 462/462 transitions.
Computed a total of 1 stabilizing places and 7 stable transitions
Computed a total of 1 stabilizing places and 7 stable transitions
Knowledge obtained : [(AND p0 p1), (X (NOT (AND (NOT p1) (NOT p0)))), (X (X p0))]
False Knowledge obtained : []
Knowledge based reduction with 3 factoid took 126 ms. Reduced automaton from 3 states, 4 edges and 2 AP (stutter sensitive) to 3 states, 4 edges and 2 AP (stutter sensitive).
Stuttering acceptance computed with spot in 106 ms :[(AND (NOT p0) (NOT p1)), (AND (NOT p0) (NOT p1)), (NOT p0)]
Finished random walk after 23 steps, including 0 resets, run visited all 2 properties in 2 ms. (steps per millisecond=11 )
Knowledge obtained : [(AND p0 p1), (X (NOT (AND (NOT p1) (NOT p0)))), (X (X p0))]
False Knowledge obtained : [(F (NOT p0)), (F (AND (NOT p1) (NOT p0)))]
Knowledge based reduction with 3 factoid took 143 ms. Reduced automaton from 3 states, 4 edges and 2 AP (stutter sensitive) to 3 states, 4 edges and 2 AP (stutter sensitive).
Stuttering acceptance computed with spot in 100 ms :[(AND (NOT p0) (NOT p1)), (AND (NOT p0) (NOT p1)), (NOT p0)]
Stuttering acceptance computed with spot in 93 ms :[(AND (NOT p0) (NOT p1)), (AND (NOT p0) (NOT p1)), (NOT p0)]
Stuttering acceptance computed with spot in 110 ms :[(AND (NOT p0) (NOT p1)), (AND (NOT p0) (NOT p1)), (NOT p0)]
Product exploration explored 100000 steps with 4163 reset in 294 ms.
Product exploration explored 100000 steps with 4121 reset in 301 ms.
Applying partial POR strategy [false, true, true]
Stuttering acceptance computed with spot in 112 ms :[(AND (NOT p0) (NOT p1)), (AND (NOT p0) (NOT p1)), (NOT p0)]
Support contains 70 out of 212 places. Attempting structural reductions.
Starting structural reductions in SI_LTL mode, iteration 0 : 212/212 places, 462/462 transitions.
Performed 7 Post agglomeration using F-continuation condition.Transition count delta: 0
Deduced a syphon composed of 7 places in 0 ms
Iterating global reduction 0 with 7 rules applied. Total rules applied 7 place count 212 transition count 462
Deduced a syphon composed of 7 places in 0 ms
Applied a total of 7 rules in 21 ms. Remains 212 /212 variables (removed 0) and now considering 462/462 (removed 0) transitions.
[2023-03-22 18:58:46] [INFO ] Redundant transitions in 2 ms returned []
[2023-03-22 18:58:46] [INFO ] Flow matrix only has 336 transitions (discarded 126 similar events)
// Phase 1: matrix 336 rows 212 cols
[2023-03-22 18:58:46] [INFO ] Computed 58 place invariants in 1 ms
[2023-03-22 18:58:46] [INFO ] Dead Transitions using invariants and state equation in 171 ms found 0 transitions.
Starting structural reductions in SI_LTL mode, iteration 1 : 212/212 places, 462/462 transitions.
Finished structural reductions in SI_LTL mode , in 1 iterations and 199 ms. Remains : 212/212 places, 462/462 transitions.
Support contains 70 out of 212 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 212/212 places, 462/462 transitions.
Applied a total of 0 rules in 2 ms. Remains 212 /212 variables (removed 0) and now considering 462/462 (removed 0) transitions.
[2023-03-22 18:58:46] [INFO ] Flow matrix only has 336 transitions (discarded 126 similar events)
// Phase 1: matrix 336 rows 212 cols
[2023-03-22 18:58:46] [INFO ] Computed 58 place invariants in 2 ms
[2023-03-22 18:58:47] [INFO ] Implicit Places using invariants in 96 ms returned []
[2023-03-22 18:58:47] [INFO ] Flow matrix only has 336 transitions (discarded 126 similar events)
[2023-03-22 18:58:47] [INFO ] Invariant cache hit.
[2023-03-22 18:58:47] [INFO ] State equation strengthened by 42 read => feed constraints.
[2023-03-22 18:58:47] [INFO ] Implicit Places using invariants and state equation in 244 ms returned []
Implicit Place search using SMT with State Equation took 340 ms to find 0 implicit places.
[2023-03-22 18:58:47] [INFO ] Flow matrix only has 336 transitions (discarded 126 similar events)
[2023-03-22 18:58:47] [INFO ] Invariant cache hit.
[2023-03-22 18:58:47] [INFO ] Dead Transitions using invariants and state equation in 166 ms found 0 transitions.
Finished structural reductions in LTL mode , in 1 iterations and 509 ms. Remains : 212/212 places, 462/462 transitions.
Treatment of property LamportFastMutEx-COL-7-LTLCardinality-10 finished in 4304 ms.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202303021504/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!(X((G(p1)||X((p2 U p3))||p0)))'
Support contains 63 out of 219 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 219/219 places, 462/462 transitions.
Applied a total of 0 rules in 2 ms. Remains 219 /219 variables (removed 0) and now considering 462/462 (removed 0) transitions.
[2023-03-22 18:58:47] [INFO ] Flow matrix only has 336 transitions (discarded 126 similar events)
// Phase 1: matrix 336 rows 219 cols
[2023-03-22 18:58:47] [INFO ] Computed 65 place invariants in 1 ms
[2023-03-22 18:58:47] [INFO ] Implicit Places using invariants in 124 ms returned [135, 136, 137, 138, 139, 140, 141]
Discarding 7 places :
Implicit Place search using SMT only with invariants took 125 ms to find 7 implicit places.
Starting structural reductions in LTL mode, iteration 1 : 212/219 places, 462/462 transitions.
Applied a total of 0 rules in 2 ms. Remains 212 /212 variables (removed 0) and now considering 462/462 (removed 0) transitions.
Finished structural reductions in LTL mode , in 2 iterations and 130 ms. Remains : 212/219 places, 462/462 transitions.
Stuttering acceptance computed with spot in 202 ms :[true, (NOT p3), (AND (NOT p0) (NOT p1) (NOT p3)), (AND (NOT p0) (NOT p1) (NOT p3)), (AND (NOT p1) (NOT p3)), (NOT p1)]
Running random walk in product with property : LamportFastMutEx-COL-7-LTLCardinality-13 automaton TGBA Formula[mat=[[{ cond=true, acceptance={0} source=0 dest: 0}], [{ cond=(AND (NOT p3) (NOT p2)), acceptance={0} source=1 dest: 0}, { cond=(AND (NOT p3) p2), acceptance={0} source=1 dest: 1}], [{ cond=true, acceptance={} source=2 dest: 3}], [{ cond=(AND (NOT p0) (NOT p1)), acceptance={} source=3 dest: 1}, { cond=(AND (NOT p0) p1), acceptance={} source=3 dest: 4}], [{ cond=(AND (NOT p1) (NOT p3) (NOT p2)), acceptance={} source=4 dest: 0}, { cond=(AND (NOT p1) (NOT p3) p2), acceptance={} source=4 dest: 1}, { cond=(AND p1 (NOT p3) p2), acceptance={} source=4 dest: 4}, { cond=(AND p1 (NOT p3) (NOT p2)), acceptance={} source=4 dest: 5}], [{ cond=(NOT p1), acceptance={} source=5 dest: 0}, { cond=p1, acceptance={} source=5 dest: 5}]], initial=2, aps=[p3:(AND (GT 1 (ADD s205 s206 s207 s208 s209 s210 s211)) (LEQ 2 (ADD s86 s87 s88 s89 s90 s91 s92 s93 s94 s95 s96 s97 s98 s99 s100 s101 s102 s103 s104 s105 ...], nbAcceptance=1, properties=[trans-labels, explicit-labels, trans-acc, deterministic, no-univ-branch, unambiguous, semi-deterministic, stutter-sensitive, very-weak, weak, inherently-weak], stateDesc=[null, null, null, null, null, null][false, false, false, false, false, false]]
Product exploration explored 100000 steps with 50000 reset in 217 ms.
Product exploration explored 100000 steps with 50000 reset in 221 ms.
Computed a total of 1 stabilizing places and 7 stable transitions
Computed a total of 1 stabilizing places and 7 stable transitions
Knowledge obtained : [(AND (NOT p3) p2 p0 p1), (X (NOT (AND (NOT p0) p1))), (X (NOT (AND (NOT p0) (NOT p1)))), (X (X (NOT (AND (NOT p3) (NOT p2))))), (X (X (NOT (AND (NOT p1) (NOT p3) (NOT p2))))), (X (X (NOT (AND p1 (NOT p3) (NOT p2))))), (X (X (AND p1 (NOT p3) p2))), (X (X (NOT (AND (NOT p1) (NOT p3) p2)))), (X (X (AND (NOT p3) p2)))]
False Knowledge obtained : []
Property proved to be true thanks to knowledge :(X (NOT (AND (NOT p0) (NOT p1))))
Knowledge based reduction with 9 factoid took 149 ms. Reduced automaton from 6 states, 12 edges and 4 AP (stutter sensitive) to 1 states, 0 edges and 0 AP (stutter insensitive).
FORMULA LamportFastMutEx-COL-7-LTLCardinality-13 TRUE TECHNIQUES KNOWLEDGE
Treatment of property LamportFastMutEx-COL-7-LTLCardinality-13 finished in 942 ms.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202303021504/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!(F(p0))'
Support contains 14 out of 219 places. Attempting structural reductions.
Starting structural reductions in SI_LTL mode, iteration 0 : 219/219 places, 462/462 transitions.
Applied a total of 0 rules in 10 ms. Remains 219 /219 variables (removed 0) and now considering 462/462 (removed 0) transitions.
[2023-03-22 18:58:48] [INFO ] Flow matrix only has 336 transitions (discarded 126 similar events)
[2023-03-22 18:58:48] [INFO ] Invariant cache hit.
[2023-03-22 18:58:48] [INFO ] Implicit Places using invariants in 143 ms returned [135, 136, 137, 138, 139, 140, 141]
Discarding 7 places :
Implicit Place search using SMT only with invariants took 146 ms to find 7 implicit places.
Starting structural reductions in SI_LTL mode, iteration 1 : 212/219 places, 462/462 transitions.
Performed 7 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 0 with 7 Pre rules applied. Total rules applied 0 place count 212 transition count 455
Deduced a syphon composed of 7 places in 0 ms
Reduce places removed 7 places and 0 transitions.
Iterating global reduction 0 with 14 rules applied. Total rules applied 14 place count 205 transition count 455
Applied a total of 14 rules in 10 ms. Remains 205 /212 variables (removed 7) and now considering 455/462 (removed 7) transitions.
[2023-03-22 18:58:48] [INFO ] Flow matrix only has 329 transitions (discarded 126 similar events)
// Phase 1: matrix 329 rows 205 cols
[2023-03-22 18:58:48] [INFO ] Computed 58 place invariants in 1 ms
[2023-03-22 18:58:48] [INFO ] Implicit Places using invariants in 156 ms returned []
[2023-03-22 18:58:48] [INFO ] Flow matrix only has 329 transitions (discarded 126 similar events)
[2023-03-22 18:58:48] [INFO ] Invariant cache hit.
[2023-03-22 18:58:48] [INFO ] State equation strengthened by 42 read => feed constraints.
[2023-03-22 18:58:49] [INFO ] Implicit Places using invariants and state equation in 310 ms returned []
Implicit Place search using SMT with State Equation took 467 ms to find 0 implicit places.
Starting structural reductions in SI_LTL mode, iteration 2 : 205/219 places, 455/462 transitions.
Finished structural reductions in SI_LTL mode , in 2 iterations and 633 ms. Remains : 205/219 places, 455/462 transitions.
Stuttering acceptance computed with spot in 113 ms :[(NOT p0)]
Running random walk in product with property : LamportFastMutEx-COL-7-LTLCardinality-14 automaton TGBA Formula[mat=[[{ cond=(NOT p0), acceptance={0} source=0 dest: 0}]], initial=0, aps=[p0:(GT (ADD s37 s38 s39 s40 s41 s42 s43) (ADD s79 s80 s81 s82 s83 s84 s85))], nbAcceptance=1, properties=[trans-labels, explicit-labels, trans-acc, colored, deterministic, no-univ-branch, unambiguous, semi-deterministic, stutter-invariant, very-weak, weak, inherently-weak], stateDesc=[null][true]]
Product exploration explored 100000 steps with 50000 reset in 225 ms.
Product exploration explored 100000 steps with 50000 reset in 229 ms.
Computed a total of 1 stabilizing places and 7 stable transitions
Computed a total of 1 stabilizing places and 7 stable transitions
Knowledge obtained : [(NOT p0), (X p0)]
False Knowledge obtained : [(X (X (NOT p0))), (X (X p0))]
Property proved to be true thanks to knowledge :(X p0)
Knowledge based reduction with 2 factoid took 96 ms. Reduced automaton from 1 states, 1 edges and 1 AP (stutter insensitive) to 1 states, 0 edges and 0 AP (stutter insensitive).
FORMULA LamportFastMutEx-COL-7-LTLCardinality-14 TRUE TECHNIQUES KNOWLEDGE
Treatment of property LamportFastMutEx-COL-7-LTLCardinality-14 finished in 1320 ms.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202303021504/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!(X((p0||F((p1&&X(F(p2)))))))'
Support contains 63 out of 219 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 219/219 places, 462/462 transitions.
Applied a total of 0 rules in 1 ms. Remains 219 /219 variables (removed 0) and now considering 462/462 (removed 0) transitions.
[2023-03-22 18:58:49] [INFO ] Flow matrix only has 336 transitions (discarded 126 similar events)
// Phase 1: matrix 336 rows 219 cols
[2023-03-22 18:58:49] [INFO ] Computed 65 place invariants in 1 ms
[2023-03-22 18:58:49] [INFO ] Implicit Places using invariants in 131 ms returned [135, 136, 137, 138, 139, 140, 141]
Discarding 7 places :
Implicit Place search using SMT only with invariants took 132 ms to find 7 implicit places.
Starting structural reductions in LTL mode, iteration 1 : 212/219 places, 462/462 transitions.
Applied a total of 0 rules in 1 ms. Remains 212 /212 variables (removed 0) and now considering 462/462 (removed 0) transitions.
Finished structural reductions in LTL mode , in 2 iterations and 135 ms. Remains : 212/219 places, 462/462 transitions.
Stuttering acceptance computed with spot in 137 ms :[(OR (AND (NOT p0) (NOT p1)) (AND (NOT p0) (NOT p2))), (NOT p2), (OR (AND (NOT p0) (NOT p1)) (AND (NOT p0) (NOT p2))), (OR (NOT p1) (NOT p2))]
Running random walk in product with property : LamportFastMutEx-COL-7-LTLCardinality-15 automaton TGBA Formula[mat=[[{ cond=(AND (NOT p0) p1), acceptance={} source=0 dest: 1}, { cond=(AND (NOT p0) (NOT p1)), acceptance={} source=0 dest: 3}], [{ cond=(NOT p2), acceptance={0} source=1 dest: 1}], [{ cond=true, acceptance={} source=2 dest: 0}], [{ cond=p1, acceptance={0} source=3 dest: 1}, { cond=(NOT p1), acceptance={0} source=3 dest: 3}]], initial=2, aps=[p0:(GT 2 (ADD s86 s87 s88 s89 s90 s91 s92 s93 s94 s95 s96 s97 s98 s99 s100 s101 s102 s103 s104 s105 s106 s107 s108 s109 s110 s111 s112 s113 s114 s115 s116...], nbAcceptance=1, properties=[trans-labels, explicit-labels, trans-acc, deterministic, no-univ-branch, unambiguous, semi-deterministic, stutter-sensitive, very-weak, weak, inherently-weak], stateDesc=[null, null, null, null][false, false, false, false]]
Product exploration explored 100000 steps with 50000 reset in 271 ms.
Product exploration explored 100000 steps with 50000 reset in 285 ms.
Computed a total of 1 stabilizing places and 7 stable transitions
Computed a total of 1 stabilizing places and 7 stable transitions
Knowledge obtained : [(AND p0 (NOT p1) (NOT p2)), (X (NOT (AND (NOT p0) p1))), (X (NOT (AND (NOT p0) (NOT p1)))), (X (X (NOT p2))), (X (X (NOT p1)))]
False Knowledge obtained : []
Property proved to be true thanks to knowledge :(X (NOT (AND (NOT p0) (NOT p1))))
Knowledge based reduction with 5 factoid took 98 ms. Reduced automaton from 4 states, 6 edges and 3 AP (stutter sensitive) to 1 states, 0 edges and 0 AP (stutter insensitive).
FORMULA LamportFastMutEx-COL-7-LTLCardinality-15 TRUE TECHNIQUES KNOWLEDGE
Treatment of property LamportFastMutEx-COL-7-LTLCardinality-15 finished in 942 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)))'
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(G(p0))&&F(p1))))'
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)||X(G(p1)))))'
Found a Lengthening insensitive property : LamportFastMutEx-COL-7-LTLCardinality-10
Stuttering acceptance computed with spot in 104 ms :[(AND (NOT p0) (NOT p1)), (AND (NOT p0) (NOT p1)), (NOT p0)]
Support contains 70 out of 219 places. Attempting structural reductions.
Starting structural reductions in LI_LTL mode, iteration 0 : 219/219 places, 462/462 transitions.
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 0 with 14 rules applied. Total rules applied 14 place count 212 transition count 455
Applied a total of 14 rules in 13 ms. Remains 212 /219 variables (removed 7) and now considering 455/462 (removed 7) transitions.
[2023-03-22 18:58:51] [INFO ] Flow matrix only has 329 transitions (discarded 126 similar events)
// Phase 1: matrix 329 rows 212 cols
[2023-03-22 18:58:51] [INFO ] Computed 65 place invariants in 1 ms
[2023-03-22 18:58:51] [INFO ] Implicit Places using invariants in 117 ms returned [128, 129, 130, 131, 132, 133, 134]
Discarding 7 places :
Implicit Place search using SMT only with invariants took 118 ms to find 7 implicit places.
Starting structural reductions in LI_LTL mode, iteration 1 : 205/219 places, 455/462 transitions.
Applied a total of 0 rules in 4 ms. Remains 205 /205 variables (removed 0) and now considering 455/455 (removed 0) transitions.
Finished structural reductions in LI_LTL mode , in 2 iterations and 137 ms. Remains : 205/219 places, 455/462 transitions.
Running random walk in product with property : LamportFastMutEx-COL-7-LTLCardinality-10 automaton TGBA Formula[mat=[[{ cond=true, acceptance={} source=0 dest: 0}, { cond=(NOT p0), acceptance={} source=0 dest: 1}], [{ cond=(AND (NOT p0) (NOT p1)), acceptance={} source=1 dest: 2}], [{ cond=(NOT p0), acceptance={0} source=2 dest: 2}]], initial=0, aps=[p0:(LEQ (ADD s44 s45 s46 s47 s48 s49 s50) (ADD s128 s129 s130 s131 s132 s133 s134 s135 s136 s137 s138 s139 s140 s141 s142 s143 s144 s145 s146 s147 s148 s1...], nbAcceptance=1, properties=[trans-labels, explicit-labels, trans-acc, no-univ-branch, stutter-sensitive, very-weak, weak, inherently-weak, sl-invariant], stateDesc=[null, null, null][false, false, false]]
Product exploration explored 100000 steps with 3838 reset in 296 ms.
Product exploration explored 100000 steps with 3757 reset in 310 ms.
Computed a total of 1 stabilizing places and 7 stable transitions
Computed a total of 1 stabilizing places and 7 stable transitions
Knowledge obtained : [(AND p0 p1), (X (NOT (AND (NOT p0) (NOT p1)))), (X (X p0))]
False Knowledge obtained : []
Knowledge based reduction with 3 factoid took 128 ms. Reduced automaton from 3 states, 4 edges and 2 AP (stutter sensitive) to 3 states, 4 edges and 2 AP (stutter sensitive).
Stuttering acceptance computed with spot in 108 ms :[(AND (NOT p0) (NOT p1)), (AND (NOT p0) (NOT p1)), (NOT p0)]
Finished random walk after 118 steps, including 0 resets, run visited all 2 properties in 2 ms. (steps per millisecond=59 )
Knowledge obtained : [(AND p0 p1), (X (NOT (AND (NOT p0) (NOT p1)))), (X (X p0))]
False Knowledge obtained : [(F (NOT p0)), (F (AND (NOT p1) (NOT p0)))]
Knowledge based reduction with 3 factoid took 172 ms. Reduced automaton from 3 states, 4 edges and 2 AP (stutter sensitive) to 3 states, 4 edges and 2 AP (stutter sensitive).
Stuttering acceptance computed with spot in 96 ms :[(AND (NOT p0) (NOT p1)), (AND (NOT p0) (NOT p1)), (NOT p0)]
Stuttering acceptance computed with spot in 94 ms :[(AND (NOT p0) (NOT p1)), (AND (NOT p0) (NOT p1)), (NOT p0)]
Support contains 70 out of 205 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 205/205 places, 455/455 transitions.
Applied a total of 0 rules in 1 ms. Remains 205 /205 variables (removed 0) and now considering 455/455 (removed 0) transitions.
[2023-03-22 18:58:52] [INFO ] Flow matrix only has 329 transitions (discarded 126 similar events)
// Phase 1: matrix 329 rows 205 cols
[2023-03-22 18:58:52] [INFO ] Computed 58 place invariants in 1 ms
[2023-03-22 18:58:52] [INFO ] Implicit Places using invariants in 99 ms returned []
[2023-03-22 18:58:52] [INFO ] Flow matrix only has 329 transitions (discarded 126 similar events)
[2023-03-22 18:58:52] [INFO ] Invariant cache hit.
[2023-03-22 18:58:52] [INFO ] State equation strengthened by 42 read => feed constraints.
[2023-03-22 18:58:52] [INFO ] Implicit Places using invariants and state equation in 223 ms returned []
Implicit Place search using SMT with State Equation took 324 ms to find 0 implicit places.
[2023-03-22 18:58:52] [INFO ] Flow matrix only has 329 transitions (discarded 126 similar events)
[2023-03-22 18:58:52] [INFO ] Invariant cache hit.
[2023-03-22 18:58:52] [INFO ] Dead Transitions using invariants and state equation in 154 ms found 0 transitions.
Finished structural reductions in LTL mode , in 1 iterations and 479 ms. Remains : 205/205 places, 455/455 transitions.
Computed a total of 1 stabilizing places and 7 stable transitions
Computed a total of 1 stabilizing places and 7 stable transitions
Knowledge obtained : [(AND p0 p1), (X (NOT (AND (NOT p1) (NOT p0)))), (X (X p0))]
False Knowledge obtained : []
Knowledge based reduction with 3 factoid took 108 ms. Reduced automaton from 3 states, 4 edges and 2 AP (stutter sensitive) to 3 states, 4 edges and 2 AP (stutter sensitive).
Stuttering acceptance computed with spot in 91 ms :[(AND (NOT p0) (NOT p1)), (AND (NOT p0) (NOT p1)), (NOT p0)]
Finished random walk after 171 steps, including 0 resets, run visited all 2 properties in 2 ms. (steps per millisecond=85 )
Knowledge obtained : [(AND p0 p1), (X (NOT (AND (NOT p1) (NOT p0)))), (X (X p0))]
False Knowledge obtained : [(F (NOT p0)), (F (AND (NOT p1) (NOT p0)))]
Knowledge based reduction with 3 factoid took 158 ms. Reduced automaton from 3 states, 4 edges and 2 AP (stutter sensitive) to 3 states, 4 edges and 2 AP (stutter sensitive).
Stuttering acceptance computed with spot in 96 ms :[(AND (NOT p0) (NOT p1)), (AND (NOT p0) (NOT p1)), (NOT p0)]
Stuttering acceptance computed with spot in 109 ms :[(AND (NOT p0) (NOT p1)), (AND (NOT p0) (NOT p1)), (NOT p0)]
Stuttering acceptance computed with spot in 97 ms :[(AND (NOT p0) (NOT p1)), (AND (NOT p0) (NOT p1)), (NOT p0)]
Product exploration explored 100000 steps with 3741 reset in 300 ms.
Product exploration explored 100000 steps with 3832 reset in 307 ms.
Applying partial POR strategy [false, true, true]
Stuttering acceptance computed with spot in 109 ms :[(AND (NOT p0) (NOT p1)), (AND (NOT p0) (NOT p1)), (NOT p0)]
Support contains 70 out of 205 places. Attempting structural reductions.
Starting structural reductions in SI_LTL mode, iteration 0 : 205/205 places, 455/455 transitions.
Applied a total of 0 rules in 7 ms. Remains 205 /205 variables (removed 0) and now considering 455/455 (removed 0) transitions.
[2023-03-22 18:58:54] [INFO ] Redundant transitions in 2 ms returned []
[2023-03-22 18:58:54] [INFO ] Flow matrix only has 329 transitions (discarded 126 similar events)
[2023-03-22 18:58:54] [INFO ] Invariant cache hit.
[2023-03-22 18:58:54] [INFO ] Dead Transitions using invariants and state equation in 153 ms found 0 transitions.
Finished structural reductions in SI_LTL mode , in 1 iterations and 179 ms. Remains : 205/205 places, 455/455 transitions.
Support contains 70 out of 205 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 205/205 places, 455/455 transitions.
Applied a total of 0 rules in 1 ms. Remains 205 /205 variables (removed 0) and now considering 455/455 (removed 0) transitions.
[2023-03-22 18:58:54] [INFO ] Flow matrix only has 329 transitions (discarded 126 similar events)
[2023-03-22 18:58:54] [INFO ] Invariant cache hit.
[2023-03-22 18:58:54] [INFO ] Implicit Places using invariants in 93 ms returned []
[2023-03-22 18:58:54] [INFO ] Flow matrix only has 329 transitions (discarded 126 similar events)
[2023-03-22 18:58:54] [INFO ] Invariant cache hit.
[2023-03-22 18:58:54] [INFO ] State equation strengthened by 42 read => feed constraints.
[2023-03-22 18:58:54] [INFO ] Implicit Places using invariants and state equation in 226 ms returned []
Implicit Place search using SMT with State Equation took 326 ms to find 0 implicit places.
[2023-03-22 18:58:54] [INFO ] Flow matrix only has 329 transitions (discarded 126 similar events)
[2023-03-22 18:58:54] [INFO ] Invariant cache hit.
[2023-03-22 18:58:55] [INFO ] Dead Transitions using invariants and state equation in 157 ms found 0 transitions.
Finished structural reductions in LTL mode , in 1 iterations and 487 ms. Remains : 205/205 places, 455/455 transitions.
Treatment of property LamportFastMutEx-COL-7-LTLCardinality-10 finished in 4234 ms.
[2023-03-22 18:58:55] [INFO ] Flatten gal took : 30 ms
[2023-03-22 18:58:55] [INFO ] Export to MCC of 3 properties in file /home/mcc/execution/LTLCardinality.sr.xml took 1 ms.
[2023-03-22 18:58:55] [INFO ] Export to PNML in file /home/mcc/execution/model.sr.pnml of net with 219 places, 462 transitions and 2016 arcs took 6 ms.
Total runtime 38699 ms.
There are residual formulas that ITS could not solve within timeout
pnml2lts-mc model.pnml -s80% --procs=4 --ltl=/tmp/1536/ltl_0_ --buchi-type=spotba --strategy=ufscc --ltl-semantics=spin --state=tree
TIME LIMIT: Killed by timeout after 1190 seconds
MemTotal: 16393216 kB
MemFree: 16073512 kB
After kill :
MemTotal: 16393216 kB
MemFree: 16124936 kB
pnml2lts-mc model.pnml -s80% --procs=4 --ltl=/tmp/1536/ltl_1_ --buchi-type=spotba --strategy=ufscc --ltl-semantics=spin --state=tree
TIME LIMIT: Killed by timeout after 1190 seconds
MemTotal: 16393216 kB
MemFree: 16062488 kB
After kill :
MemTotal: 16393216 kB
MemFree: 16112276 kB
pnml2lts-mc model.pnml -s80% --procs=4 --ltl=/tmp/1536/ltl_2_ --buchi-type=spotba --strategy=ufscc --ltl-semantics=spin --state=tree
Could not compute solution for formula : LamportFastMutEx-COL-7-LTLCardinality-03
Could not compute solution for formula : LamportFastMutEx-COL-7-LTLCardinality-04
Could not compute solution for formula : LamportFastMutEx-COL-7-LTLCardinality-10

BK_STOP 1679513918588

--------------------
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
mcc2023
ltl formula name LamportFastMutEx-COL-7-LTLCardinality-03
ltl formula formula --ltl=/tmp/1536/ltl_0_
pnml2lts-mc: =============================================================================
pnml2lts-mc: Runtime environment could only preallocate 15 GB while requesting 240 GB.
pnml2lts-mc: Configure your system limits to exploit all memory.
pnml2lts-mc: =============================================================================
pnml2lts-mc( 0/ 4): Loading model from model.pnml
pnml2lts-mc( 0/ 4): Edge label is id
Warning: program compiled against libxml 210 using older 209
Warning: program compiled against libxml 210 using older 209
Warning: program compiled against libxml 210 using older 209
Warning: program compiled against libxml 210 using older 209
pnml2lts-mc( 0/ 4): Petri net has 219 places, 462 transitions and 2016 arcs
pnml2lts-mc( 0/ 4): Petri net Petri analyzed
pnml2lts-mc( 0/ 4): There are no safe places
pnml2lts-mc( 0/ 4): Loading Petri net took 0.090 real 0.020 user 0.010 sys
pnml2lts-mc( 1/ 4): LTL layer: formula: /tmp/1536/ltl_0_
pnml2lts-mc( 2/ 4): LTL layer: formula: /tmp/1536/ltl_0_
pnml2lts-mc( 0/ 4): LTL layer: formula: /tmp/1536/ltl_0_
pnml2lts-mc( 3/ 4): LTL layer: formula: /tmp/1536/ltl_0_
Killing (15) : 1542 1543 1544 1545 1546
Killing (9) : 1542 1543 1544 1545 1546
ltl formula name LamportFastMutEx-COL-7-LTLCardinality-04
ltl formula formula --ltl=/tmp/1536/ltl_1_
pnml2lts-mc: =============================================================================
pnml2lts-mc: Runtime environment could only preallocate 15 GB while requesting 240 GB.
pnml2lts-mc: Configure your system limits to exploit all memory.
pnml2lts-mc: =============================================================================
pnml2lts-mc( 0/ 4): Loading model from model.pnml
pnml2lts-mc( 0/ 4): Edge label is id
Warning: program compiled against libxml 210 using older 209
Warning: program compiled against libxml 210 using older 209
Warning: program compiled against libxml 210 using older 209
Warning: program compiled against libxml 210 using older 209
pnml2lts-mc( 0/ 4): Petri net has 219 places, 462 transitions and 2016 arcs
pnml2lts-mc( 0/ 4): Petri net Petri analyzed
pnml2lts-mc( 0/ 4): There are no safe places
pnml2lts-mc( 0/ 4): Loading Petri net took 0.050 real 0.010 user 0.030 sys
pnml2lts-mc( 0/ 4): LTL layer: formula: /tmp/1536/ltl_1_
pnml2lts-mc( 1/ 4): LTL layer: formula: /tmp/1536/ltl_1_
pnml2lts-mc( 2/ 4): LTL layer: formula: /tmp/1536/ltl_1_
pnml2lts-mc( 3/ 4): LTL layer: formula: /tmp/1536/ltl_1_
Killing (15) : 1561 1562 1563 1564 1565
Killing (9) : 1561 1562 1563 1564 1565
ltl formula name LamportFastMutEx-COL-7-LTLCardinality-10
ltl formula formula --ltl=/tmp/1536/ltl_2_
pnml2lts-mc: =============================================================================
pnml2lts-mc: Runtime environment could only preallocate 15 GB while requesting 240 GB.
pnml2lts-mc: Configure your system limits to exploit all memory.
pnml2lts-mc: =============================================================================
Warning: program compiled against libxml 210 using older 209
Warning: program compiled against libxml 210 using older 209
Warning: program compiled against libxml 210 using older 209
pnml2lts-mc( 0/ 4): Loading model from model.pnml
pnml2lts-mc( 0/ 4): Edge label is id
Warning: program compiled against libxml 210 using older 209
pnml2lts-mc( 0/ 4): Petri net has 219 places, 462 transitions and 2016 arcs
pnml2lts-mc( 0/ 4): Petri net Petri analyzed
pnml2lts-mc( 2/ 4): LTL layer: formula: /tmp/1536/ltl_2_
pnml2lts-mc( 3/ 4): LTL layer: formula: /tmp/1536/ltl_2_
pnml2lts-mc( 1/ 4): LTL layer: formula: /tmp/1536/ltl_2_
pnml2lts-mc( 0/ 4): There are no safe places
pnml2lts-mc( 0/ 4): Loading Petri net took 0.060 real 0.000 user 0.020 sys
pnml2lts-mc( 0/ 4): LTL layer: formula: /tmp/1536/ltl_2_
pnml2lts-mc( 0/ 4): buchi has 3 states
pnml2lts-mc( 0/ 4): Weak Buchi automaton detected, adding non-accepting as progress label.
pnml2lts-mc( 0/ 4), ** error **: area memory exhausted
double free or corruption (!prev)

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="LamportFastMutEx-COL-7"
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 LamportFastMutEx-COL-7, 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 r233-tall-167856418800379"
echo "====================================================================="
echo
echo "--------------------"
echo "preparation of the directory to be used:"

tar xzf /home/mcc/BenchKit/INPUTS/LamportFastMutEx-COL-7.tgz
mv LamportFastMutEx-COL-7 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 ;