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.r103-tall-167814478600659.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)
...................................................
=====================================================================
Generated by BenchKit 2-5348
Executing tool lolaxred
Input is DLCround-PT-05b, examination is LTLCardinality
Time confinement is 3600 seconds
Memory confinement is 16384 MBytes
Number of cores is 4
Run identifier is r103-tall-167814478600659
=====================================================================

--------------------
preparation of the directory to be used:
/home/mcc/execution
total 1.2M
-rw-r--r-- 1 mcc users 7.6K Feb 25 18:23 CTLCardinality.txt
-rw-r--r-- 1 mcc users 83K Feb 25 18:23 CTLCardinality.xml
-rw-r--r-- 1 mcc users 5.8K Feb 25 18:23 CTLFireability.txt
-rw-r--r-- 1 mcc users 53K Feb 25 18:23 CTLFireability.xml
-rw-r--r-- 1 mcc users 4.2K Jan 29 11:40 GenericPropertiesDefinition.xml
-rw-r--r-- 1 mcc users 6.4K Jan 29 11:40 GenericPropertiesVerdict.xml
-rw-r--r-- 1 mcc users 4.0K Feb 25 15:52 LTLCardinality.txt
-rw-r--r-- 1 mcc users 28K Feb 25 15:52 LTLCardinality.xml
-rw-r--r-- 1 mcc users 2.2K Feb 25 15:52 LTLFireability.txt
-rw-r--r-- 1 mcc users 17K Feb 25 15:52 LTLFireability.xml
-rw-r--r-- 1 mcc users 11K Feb 25 18:24 ReachabilityCardinality.txt
-rw-r--r-- 1 mcc users 109K Feb 25 18:24 ReachabilityCardinality.xml
-rw-r--r-- 1 mcc users 8.9K Feb 25 18:24 ReachabilityFireability.txt
-rw-r--r-- 1 mcc users 76K Feb 25 18:24 ReachabilityFireability.xml
-rw-r--r-- 1 mcc users 1.6K Feb 25 15:52 UpperBounds.txt
-rw-r--r-- 1 mcc users 3.6K Feb 25 15:52 UpperBounds.xml
-rw-r--r-- 1 mcc users 6 Mar 5 18:22 equiv_col
-rw-r--r-- 1 mcc users 4 Mar 5 18:22 instance
-rw-r--r-- 1 mcc users 6 Mar 5 18:22 iscolored
-rw-r--r-- 1 mcc users 674K 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 DLCround-PT-05b-LTLCardinality-00
FORMULA_NAME DLCround-PT-05b-LTLCardinality-01
FORMULA_NAME DLCround-PT-05b-LTLCardinality-02
FORMULA_NAME DLCround-PT-05b-LTLCardinality-03
FORMULA_NAME DLCround-PT-05b-LTLCardinality-04
FORMULA_NAME DLCround-PT-05b-LTLCardinality-05
FORMULA_NAME DLCround-PT-05b-LTLCardinality-06
FORMULA_NAME DLCround-PT-05b-LTLCardinality-07
FORMULA_NAME DLCround-PT-05b-LTLCardinality-08
FORMULA_NAME DLCround-PT-05b-LTLCardinality-09
FORMULA_NAME DLCround-PT-05b-LTLCardinality-10
FORMULA_NAME DLCround-PT-05b-LTLCardinality-11
FORMULA_NAME DLCround-PT-05b-LTLCardinality-12
FORMULA_NAME DLCround-PT-05b-LTLCardinality-13
FORMULA_NAME DLCround-PT-05b-LTLCardinality-14
FORMULA_NAME DLCround-PT-05b-LTLCardinality-15

=== Now, execution of the tool begins

BK_START 1678273002909

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=LTLCardinality
BK_BIN_PATH=/home/mcc/BenchKit/bin/
BK_TIME_CONFINEMENT=3600
BK_INPUT=DLCround-PT-05b
Applying reductions before tool lola
Invoking reducer
Running Version 202303021504
[2023-03-08 10:56:44] [INFO ] Running its-tools with arguments : [-pnfolder, /home/mcc/execution, -examination, LTLCardinality, -timeout, 360, -rebuildPNML]
[2023-03-08 10:56:44] [INFO ] Parsing pnml file : /home/mcc/execution/model.pnml
[2023-03-08 10:56:44] [INFO ] Load time of PNML (sax parser for PT used): 124 ms
[2023-03-08 10:56:44] [INFO ] Transformed 1999 places.
[2023-03-08 10:56:44] [INFO ] Transformed 2887 transitions.
[2023-03-08 10:56:44] [INFO ] Found NUPN structural information;
[2023-03-08 10:56:44] [INFO ] Parsed PT model containing 1999 places and 2887 transitions and 7649 arcs in 212 ms.
Parsed 16 properties from file /home/mcc/execution/LTLCardinality.xml in 8 ms.
Working with output stream class java.io.PrintStream
Initial state reduction rules removed 4 formulas.
FORMULA DLCround-PT-05b-LTLCardinality-00 FALSE TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA DLCround-PT-05b-LTLCardinality-01 FALSE TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA DLCround-PT-05b-LTLCardinality-07 FALSE TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA DLCround-PT-05b-LTLCardinality-08 FALSE TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA DLCround-PT-05b-LTLCardinality-13 FALSE TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA DLCround-PT-05b-LTLCardinality-02 FALSE TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA DLCround-PT-05b-LTLCardinality-10 TRUE TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA DLCround-PT-05b-LTLCardinality-12 TRUE TECHNIQUES TOPOLOGICAL INITIAL_STATE
Support contains 25 out of 1999 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 1999/1999 places, 2887/2887 transitions.
Discarding 340 places :
Symmetric choice reduction at 0 with 340 rule applications. Total rules 340 place count 1659 transition count 2547
Iterating global reduction 0 with 340 rules applied. Total rules applied 680 place count 1659 transition count 2547
Discarding 257 places :
Symmetric choice reduction at 0 with 257 rule applications. Total rules 937 place count 1402 transition count 2290
Iterating global reduction 0 with 257 rules applied. Total rules applied 1194 place count 1402 transition count 2290
Ensure Unique test removed 5 transitions
Reduce isomorphic transitions removed 5 transitions.
Iterating post reduction 0 with 5 rules applied. Total rules applied 1199 place count 1402 transition count 2285
Discarding 50 places :
Symmetric choice reduction at 1 with 50 rule applications. Total rules 1249 place count 1352 transition count 2183
Iterating global reduction 1 with 50 rules applied. Total rules applied 1299 place count 1352 transition count 2183
Discarding 33 places :
Symmetric choice reduction at 1 with 33 rule applications. Total rules 1332 place count 1319 transition count 2150
Iterating global reduction 1 with 33 rules applied. Total rules applied 1365 place count 1319 transition count 2150
Ensure Unique test removed 4 transitions
Reduce isomorphic transitions removed 4 transitions.
Iterating post reduction 1 with 4 rules applied. Total rules applied 1369 place count 1319 transition count 2146
Discarding 15 places :
Symmetric choice reduction at 2 with 15 rule applications. Total rules 1384 place count 1304 transition count 2131
Iterating global reduction 2 with 15 rules applied. Total rules applied 1399 place count 1304 transition count 2131
Discarding 14 places :
Symmetric choice reduction at 2 with 14 rule applications. Total rules 1413 place count 1290 transition count 2117
Iterating global reduction 2 with 14 rules applied. Total rules applied 1427 place count 1290 transition count 2117
Discarding 14 places :
Symmetric choice reduction at 2 with 14 rule applications. Total rules 1441 place count 1276 transition count 2103
Iterating global reduction 2 with 14 rules applied. Total rules applied 1455 place count 1276 transition count 2103
Discarding 8 places :
Symmetric choice reduction at 2 with 8 rule applications. Total rules 1463 place count 1268 transition count 2095
Iterating global reduction 2 with 8 rules applied. Total rules applied 1471 place count 1268 transition count 2095
Discarding 5 places :
Symmetric choice reduction at 2 with 5 rule applications. Total rules 1476 place count 1263 transition count 2090
Iterating global reduction 2 with 5 rules applied. Total rules applied 1481 place count 1263 transition count 2090
Discarding 5 places :
Symmetric choice reduction at 2 with 5 rule applications. Total rules 1486 place count 1258 transition count 2085
Iterating global reduction 2 with 5 rules applied. Total rules applied 1491 place count 1258 transition count 2085
Applied a total of 1491 rules in 941 ms. Remains 1258 /1999 variables (removed 741) and now considering 2085/2887 (removed 802) transitions.
// Phase 1: matrix 2085 rows 1258 cols
[2023-03-08 10:56:45] [INFO ] Computed 88 place invariants in 28 ms
[2023-03-08 10:56:46] [INFO ] Implicit Places using invariants in 470 ms returned []
[2023-03-08 10:56:46] [INFO ] Invariant cache hit.
[2023-03-08 10:56:46] [INFO ] Implicit Places using invariants and state equation in 682 ms returned []
Implicit Place search using SMT with State Equation took 1192 ms to find 0 implicit places.
[2023-03-08 10:56:46] [INFO ] Invariant cache hit.
[2023-03-08 10:56:47] [INFO ] Dead Transitions using invariants and state equation in 802 ms found 0 transitions.
Starting structural reductions in LTL mode, iteration 1 : 1258/1999 places, 2085/2887 transitions.
Finished structural reductions in LTL mode , in 1 iterations and 2953 ms. Remains : 1258/1999 places, 2085/2887 transitions.
Support contains 25 out of 1258 places after structural reductions.
[2023-03-08 10:56:47] [INFO ] Flatten gal took : 135 ms
[2023-03-08 10:56:48] [INFO ] Flatten gal took : 81 ms
[2023-03-08 10:56:48] [INFO ] Input system was already deterministic with 2085 transitions.
Incomplete random walk after 10000 steps, including 2 resets, run finished after 445 ms. (steps per millisecond=22 ) properties (out of 15) seen :12
Incomplete Best-First random walk after 10001 steps, including 2 resets, run finished after 30 ms. (steps per millisecond=333 ) properties (out of 3) seen :0
Incomplete Best-First random walk after 10001 steps, including 2 resets, run finished after 20 ms. (steps per millisecond=500 ) properties (out of 3) seen :0
Incomplete Best-First random walk after 10001 steps, including 2 resets, run finished after 21 ms. (steps per millisecond=476 ) properties (out of 3) seen :0
Running SMT prover for 3 properties.
[2023-03-08 10:56:48] [INFO ] Invariant cache hit.
[2023-03-08 10:56:48] [INFO ] After 204ms SMT Verify possible using all constraints in real domain returned unsat :0 sat :0 real:3
[2023-03-08 10:56:49] [INFO ] [Nat]Absence check using 88 positive place invariants in 45 ms returned sat
[2023-03-08 10:56:49] [INFO ] After 652ms SMT Verify possible using state equation in natural domain returned unsat :0 sat :3
[2023-03-08 10:56:50] [INFO ] After 1006ms SMT Verify possible using trap constraints in natural domain returned unsat :0 sat :3
Attempting to minimize the solution found.
Minimization took 182 ms.
[2023-03-08 10:56:50] [INFO ] After 1514ms SMT Verify possible using all constraints in natural domain returned unsat :0 sat :3
Finished Parikh walk after 358 steps, including 0 resets, run visited all 1 properties in 2 ms. (steps per millisecond=179 )
Parikh walk visited 3 properties in 23 ms.
Computed a total of 184 stabilizing places and 184 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' '!(G(F((!p0 U (p1||G(!p0))))))'
Support contains 3 out of 1258 places. Attempting structural reductions.
Starting structural reductions in SI_LTL mode, iteration 0 : 1258/1258 places, 2085/2085 transitions.
Graph (trivial) has 1153 edges and 1258 vertex of which 328 / 1258 are part of one of the 29 SCC in 5 ms
Free SCC test removed 299 places
Ensure Unique test removed 321 transitions
Reduce isomorphic transitions removed 321 transitions.
Reduce places removed 1 places and 1 transitions.
Drop transitions removed 228 transitions
Trivial Post-agglo rules discarded 228 transitions
Performed 228 trivial Post agglomeration. Transition count delta: 228
Iterating post reduction 0 with 228 rules applied. Total rules applied 229 place count 958 transition count 1535
Reduce places removed 228 places and 0 transitions.
Ensure Unique test removed 12 transitions
Reduce isomorphic transitions removed 12 transitions.
Drop transitions removed 20 transitions
Trivial Post-agglo rules discarded 20 transitions
Performed 20 trivial Post agglomeration. Transition count delta: 20
Iterating post reduction 1 with 260 rules applied. Total rules applied 489 place count 730 transition count 1503
Reduce places removed 20 places and 0 transitions.
Iterating post reduction 2 with 20 rules applied. Total rules applied 509 place count 710 transition count 1503
Performed 90 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 3 with 90 Pre rules applied. Total rules applied 509 place count 710 transition count 1413
Deduced a syphon composed of 90 places in 3 ms
Reduce places removed 90 places and 0 transitions.
Iterating global reduction 3 with 180 rules applied. Total rules applied 689 place count 620 transition count 1413
Discarding 47 places :
Symmetric choice reduction at 3 with 47 rule applications. Total rules 736 place count 573 transition count 1199
Iterating global reduction 3 with 47 rules applied. Total rules applied 783 place count 573 transition count 1199
Ensure Unique test removed 3 transitions
Reduce isomorphic transitions removed 3 transitions.
Iterating post reduction 3 with 3 rules applied. Total rules applied 786 place count 573 transition count 1196
Performed 5 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 4 with 5 Pre rules applied. Total rules applied 786 place count 573 transition count 1191
Deduced a syphon composed of 5 places in 3 ms
Reduce places removed 5 places and 0 transitions.
Iterating global reduction 4 with 10 rules applied. Total rules applied 796 place count 568 transition count 1191
Performed 211 Post agglomeration using F-continuation condition with reduction of 6 identical transitions.
Deduced a syphon composed of 211 places in 1 ms
Reduce places removed 211 places and 0 transitions.
Iterating global reduction 4 with 422 rules applied. Total rules applied 1218 place count 357 transition count 974
Ensure Unique test removed 6 transitions
Reduce isomorphic transitions removed 6 transitions.
Iterating post reduction 4 with 6 rules applied. Total rules applied 1224 place count 357 transition count 968
Discarding 20 places :
Symmetric choice reduction at 5 with 20 rule applications. Total rules 1244 place count 337 transition count 803
Iterating global reduction 5 with 20 rules applied. Total rules applied 1264 place count 337 transition count 803
Ensure Unique test removed 15 transitions
Reduce isomorphic transitions removed 15 transitions.
Iterating post reduction 5 with 15 rules applied. Total rules applied 1279 place count 337 transition count 788
Performed 1 Post agglomeration using F-continuation condition.Transition count delta: 1
Deduced a syphon composed of 1 places in 1 ms
Reduce places removed 1 places and 0 transitions.
Iterating global reduction 6 with 2 rules applied. Total rules applied 1281 place count 336 transition count 787
Performed 17 Post agglomeration using F-continuation condition with reduction of 24 identical transitions.
Deduced a syphon composed of 17 places in 0 ms
Reduce places removed 17 places and 0 transitions.
Iterating global reduction 6 with 34 rules applied. Total rules applied 1315 place count 319 transition count 910
Ensure Unique test removed 1 transitions
Reduce isomorphic transitions removed 1 transitions.
Iterating post reduction 6 with 1 rules applied. Total rules applied 1316 place count 319 transition count 909
Discarding 4 places :
Symmetric choice reduction at 7 with 4 rule applications. Total rules 1320 place count 315 transition count 855
Iterating global reduction 7 with 4 rules applied. Total rules applied 1324 place count 315 transition count 855
Ensure Unique test removed 25 transitions
Reduce isomorphic transitions removed 25 transitions.
Iterating post reduction 7 with 25 rules applied. Total rules applied 1349 place count 315 transition count 830
Drop transitions removed 22 transitions
Redundant transition composition rules discarded 22 transitions
Iterating global reduction 8 with 22 rules applied. Total rules applied 1371 place count 315 transition count 808
Discarding 10 places :
Symmetric choice reduction at 8 with 10 rule applications. Total rules 1381 place count 305 transition count 788
Iterating global reduction 8 with 10 rules applied. Total rules applied 1391 place count 305 transition count 788
Discarding 10 places :
Symmetric choice reduction at 8 with 10 rule applications. Total rules 1401 place count 295 transition count 698
Iterating global reduction 8 with 10 rules applied. Total rules applied 1411 place count 295 transition count 698
Ensure Unique test removed 10 transitions
Reduce isomorphic transitions removed 10 transitions.
Iterating post reduction 8 with 10 rules applied. Total rules applied 1421 place count 295 transition count 688
Reduce places removed 1 places and 1 transitions.
Iterating global reduction 9 with 1 rules applied. Total rules applied 1422 place count 294 transition count 687
Applied a total of 1422 rules in 288 ms. Remains 294 /1258 variables (removed 964) and now considering 687/2085 (removed 1398) transitions.
[2023-03-08 10:56:51] [INFO ] Flow matrix only has 661 transitions (discarded 26 similar events)
// Phase 1: matrix 661 rows 294 cols
[2023-03-08 10:56:51] [INFO ] Computed 88 place invariants in 3 ms
[2023-03-08 10:56:51] [INFO ] Implicit Places using invariants in 152 ms returned []
[2023-03-08 10:56:51] [INFO ] Flow matrix only has 661 transitions (discarded 26 similar events)
[2023-03-08 10:56:51] [INFO ] Invariant cache hit.
[2023-03-08 10:56:51] [INFO ] State equation strengthened by 50 read => feed constraints.
[2023-03-08 10:56:51] [INFO ] Implicit Places using invariants and state equation in 307 ms returned []
Implicit Place search using SMT with State Equation took 465 ms to find 0 implicit places.
[2023-03-08 10:56:51] [INFO ] Redundant transitions in 33 ms returned []
[2023-03-08 10:56:51] [INFO ] Flow matrix only has 661 transitions (discarded 26 similar events)
[2023-03-08 10:56:51] [INFO ] Invariant cache hit.
[2023-03-08 10:56:51] [INFO ] Dead Transitions using invariants and state equation in 237 ms found 0 transitions.
Starting structural reductions in SI_LTL mode, iteration 1 : 294/1258 places, 687/2085 transitions.
Finished structural reductions in SI_LTL mode , in 1 iterations and 1030 ms. Remains : 294/1258 places, 687/2085 transitions.
Stuttering acceptance computed with spot in 228 ms :[(AND (NOT p1) p0), (AND (NOT p1) p0)]
Running random walk in product with property : DLCround-PT-05b-LTLCardinality-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 (EQ s22 1)) (NOT (OR (EQ s76 0) (EQ s287 1)))), p0:(OR (EQ s76 0) (EQ s287 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 0 steps with 0 reset in 2 ms.
FORMULA DLCround-PT-05b-LTLCardinality-03 FALSE TECHNIQUES STUTTER_TEST
Treatment of property DLCround-PT-05b-LTLCardinality-03 finished in 1312 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(p1)||p0))))'
Support contains 4 out of 1258 places. Attempting structural reductions.
Starting structural reductions in SI_LTL mode, iteration 0 : 1258/1258 places, 2085/2085 transitions.
Graph (trivial) has 1150 edges and 1258 vertex of which 338 / 1258 are part of one of the 28 SCC in 2 ms
Free SCC test removed 310 places
Ensure Unique test removed 333 transitions
Reduce isomorphic transitions removed 333 transitions.
Reduce places removed 1 places and 1 transitions.
Drop transitions removed 220 transitions
Trivial Post-agglo rules discarded 220 transitions
Performed 220 trivial Post agglomeration. Transition count delta: 220
Iterating post reduction 0 with 220 rules applied. Total rules applied 221 place count 947 transition count 1531
Reduce places removed 220 places and 0 transitions.
Ensure Unique test removed 12 transitions
Reduce isomorphic transitions removed 12 transitions.
Drop transitions removed 20 transitions
Trivial Post-agglo rules discarded 20 transitions
Performed 20 trivial Post agglomeration. Transition count delta: 20
Iterating post reduction 1 with 252 rules applied. Total rules applied 473 place count 727 transition count 1499
Reduce places removed 20 places and 0 transitions.
Iterating post reduction 2 with 20 rules applied. Total rules applied 493 place count 707 transition count 1499
Performed 91 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 3 with 91 Pre rules applied. Total rules applied 493 place count 707 transition count 1408
Deduced a syphon composed of 91 places in 3 ms
Reduce places removed 91 places and 0 transitions.
Iterating global reduction 3 with 182 rules applied. Total rules applied 675 place count 616 transition count 1408
Discarding 47 places :
Symmetric choice reduction at 3 with 47 rule applications. Total rules 722 place count 569 transition count 1186
Iterating global reduction 3 with 47 rules applied. Total rules applied 769 place count 569 transition count 1186
Ensure Unique test removed 3 transitions
Reduce isomorphic transitions removed 3 transitions.
Iterating post reduction 3 with 3 rules applied. Total rules applied 772 place count 569 transition count 1183
Performed 5 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 4 with 5 Pre rules applied. Total rules applied 772 place count 569 transition count 1178
Deduced a syphon composed of 5 places in 2 ms
Reduce places removed 5 places and 0 transitions.
Iterating global reduction 4 with 10 rules applied. Total rules applied 782 place count 564 transition count 1178
Performed 208 Post agglomeration using F-continuation condition with reduction of 6 identical transitions.
Deduced a syphon composed of 208 places in 1 ms
Reduce places removed 208 places and 0 transitions.
Iterating global reduction 4 with 416 rules applied. Total rules applied 1198 place count 356 transition count 964
Ensure Unique test removed 7 transitions
Reduce isomorphic transitions removed 7 transitions.
Iterating post reduction 4 with 7 rules applied. Total rules applied 1205 place count 356 transition count 957
Discarding 20 places :
Symmetric choice reduction at 5 with 20 rule applications. Total rules 1225 place count 336 transition count 789
Iterating global reduction 5 with 20 rules applied. Total rules applied 1245 place count 336 transition count 789
Ensure Unique test removed 16 transitions
Reduce isomorphic transitions removed 16 transitions.
Iterating post reduction 5 with 16 rules applied. Total rules applied 1261 place count 336 transition count 773
Performed 1 Post agglomeration using F-continuation condition.Transition count delta: 1
Deduced a syphon composed of 1 places in 1 ms
Reduce places removed 1 places and 0 transitions.
Iterating global reduction 6 with 2 rules applied. Total rules applied 1263 place count 335 transition count 772
Performed 18 Post agglomeration using F-continuation condition with reduction of 24 identical transitions.
Deduced a syphon composed of 18 places in 1 ms
Reduce places removed 18 places and 0 transitions.
Iterating global reduction 6 with 36 rules applied. Total rules applied 1299 place count 317 transition count 894
Discarding 5 places :
Symmetric choice reduction at 6 with 5 rule applications. Total rules 1304 place count 312 transition count 824
Iterating global reduction 6 with 5 rules applied. Total rules applied 1309 place count 312 transition count 824
Ensure Unique test removed 25 transitions
Reduce isomorphic transitions removed 25 transitions.
Iterating post reduction 6 with 25 rules applied. Total rules applied 1334 place count 312 transition count 799
Drop transitions removed 29 transitions
Redundant transition composition rules discarded 29 transitions
Iterating global reduction 7 with 29 rules applied. Total rules applied 1363 place count 312 transition count 770
Discarding 12 places :
Symmetric choice reduction at 7 with 12 rule applications. Total rules 1375 place count 300 transition count 746
Iterating global reduction 7 with 12 rules applied. Total rules applied 1387 place count 300 transition count 746
Discarding 12 places :
Symmetric choice reduction at 7 with 12 rule applications. Total rules 1399 place count 288 transition count 636
Iterating global reduction 7 with 12 rules applied. Total rules applied 1411 place count 288 transition count 636
Ensure Unique test removed 12 transitions
Reduce isomorphic transitions removed 12 transitions.
Iterating post reduction 7 with 12 rules applied. Total rules applied 1423 place count 288 transition count 624
Reduce places removed 1 places and 1 transitions.
Iterating global reduction 8 with 1 rules applied. Total rules applied 1424 place count 287 transition count 623
Applied a total of 1424 rules in 212 ms. Remains 287 /1258 variables (removed 971) and now considering 623/2085 (removed 1462) transitions.
[2023-03-08 10:56:52] [INFO ] Flow matrix only has 602 transitions (discarded 21 similar events)
// Phase 1: matrix 602 rows 287 cols
[2023-03-08 10:56:52] [INFO ] Computed 88 place invariants in 5 ms
[2023-03-08 10:56:52] [INFO ] Implicit Places using invariants in 118 ms returned []
[2023-03-08 10:56:52] [INFO ] Flow matrix only has 602 transitions (discarded 21 similar events)
[2023-03-08 10:56:52] [INFO ] Invariant cache hit.
[2023-03-08 10:56:52] [INFO ] State equation strengthened by 45 read => feed constraints.
[2023-03-08 10:56:52] [INFO ] Implicit Places using invariants and state equation in 277 ms returned []
Implicit Place search using SMT with State Equation took 397 ms to find 0 implicit places.
[2023-03-08 10:56:52] [INFO ] Redundant transitions in 6 ms returned []
[2023-03-08 10:56:52] [INFO ] Flow matrix only has 602 transitions (discarded 21 similar events)
[2023-03-08 10:56:52] [INFO ] Invariant cache hit.
[2023-03-08 10:56:52] [INFO ] Dead Transitions using invariants and state equation in 202 ms found 0 transitions.
Starting structural reductions in SI_LTL mode, iteration 1 : 287/1258 places, 623/2085 transitions.
Finished structural reductions in SI_LTL mode , in 1 iterations and 825 ms. Remains : 287/1258 places, 623/2085 transitions.
Stuttering acceptance computed with spot in 81 ms :[(AND (NOT p1) (NOT p0)), (AND (NOT p1) (NOT p0))]
Running random walk in product with property : DLCround-PT-05b-LTLCardinality-04 automaton TGBA Formula[mat=[[{ cond=true, acceptance={} source=0 dest: 0}, { cond=(AND (NOT p1) (NOT p0)), acceptance={} source=0 dest: 1}], [{ cond=(AND p1 (NOT p0)), acceptance={} source=1 dest: 1}, { cond=(AND (NOT p1) (NOT p0)), acceptance={0} source=1 dest: 1}]], initial=0, aps=[p1:(OR (EQ s12 0) (EQ s202 1)), p0:(OR (EQ s10 0) (EQ s119 1))], nbAcceptance=1, properties=[trans-labels, explicit-labels, trans-acc, no-univ-branch, stutter-invariant], stateDesc=[null, null][true, true]]
Product exploration explored 100000 steps with 13 reset in 629 ms.
Product exploration explored 100000 steps with 15 reset in 592 ms.
Computed a total of 5 stabilizing places and 21 stable transitions
Computed a total of 5 stabilizing places and 21 stable transitions
Knowledge obtained : [(AND p1 p0), (X (NOT (AND p1 (NOT p0)))), (X (NOT (AND (NOT p1) (NOT p0)))), (X (X (NOT (AND p1 (NOT p0))))), (X (X (NOT (AND (NOT p1) (NOT p0)))))]
False Knowledge obtained : []
Knowledge based reduction with 5 factoid took 181 ms. Reduced automaton from 2 states, 4 edges and 2 AP (stutter insensitive) to 2 states, 4 edges and 2 AP (stutter insensitive).
Stuttering acceptance computed with spot in 71 ms :[(AND (NOT p0) (NOT p1)), (AND (NOT p0) (NOT p1))]
Incomplete random walk after 10000 steps, including 2 resets, run finished after 78 ms. (steps per millisecond=128 ) properties (out of 2) seen :1
Incomplete Best-First random walk after 10001 steps, including 2 resets, run finished after 18 ms. (steps per millisecond=555 ) properties (out of 1) seen :0
Running SMT prover for 1 properties.
[2023-03-08 10:56:54] [INFO ] Flow matrix only has 602 transitions (discarded 21 similar events)
[2023-03-08 10:56:54] [INFO ] Invariant cache hit.
[2023-03-08 10:56:54] [INFO ] After 45ms SMT Verify possible using all constraints in real domain returned unsat :0 sat :0 real:1
[2023-03-08 10:56:54] [INFO ] [Nat]Absence check using 88 positive place invariants in 11 ms returned sat
[2023-03-08 10:56:54] [INFO ] After 55ms 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.
Found 1 invariant AP formulas.
Knowledge obtained : [(AND p1 p0), (X (NOT (AND p1 (NOT p0)))), (X (NOT (AND (NOT p1) (NOT p0)))), (X (X (NOT (AND p1 (NOT p0))))), (X (X (NOT (AND (NOT p1) (NOT p0))))), (G (NOT (AND (NOT p0) (NOT p1))))]
False Knowledge obtained : [(F (AND (NOT p0) p1))]
Property proved to be true thanks to knowledge :(G (NOT (AND (NOT p0) (NOT p1))))
Knowledge based reduction with 6 factoid took 277 ms. Reduced automaton from 2 states, 4 edges and 2 AP (stutter insensitive) to 1 states, 0 edges and 0 AP (stutter insensitive).
FORMULA DLCround-PT-05b-LTLCardinality-04 TRUE TECHNIQUES KNOWLEDGE
Treatment of property DLCround-PT-05b-LTLCardinality-04 finished in 2927 ms.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202303021504/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!(X(X((G((p0||G(p1)))||G(p2)))))'
Support contains 5 out of 1258 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 1258/1258 places, 2085/2085 transitions.
Discarding 17 places :
Symmetric choice reduction at 0 with 17 rule applications. Total rules 17 place count 1241 transition count 2068
Iterating global reduction 0 with 17 rules applied. Total rules applied 34 place count 1241 transition count 2068
Ensure Unique test removed 1 transitions
Reduce isomorphic transitions removed 1 transitions.
Iterating post reduction 0 with 1 rules applied. Total rules applied 35 place count 1241 transition count 2067
Discarding 8 places :
Symmetric choice reduction at 1 with 8 rule applications. Total rules 43 place count 1233 transition count 2059
Iterating global reduction 1 with 8 rules applied. Total rules applied 51 place count 1233 transition count 2059
Discarding 2 places :
Symmetric choice reduction at 1 with 2 rule applications. Total rules 53 place count 1231 transition count 2057
Iterating global reduction 1 with 2 rules applied. Total rules applied 55 place count 1231 transition count 2057
Discarding 2 places :
Symmetric choice reduction at 1 with 2 rule applications. Total rules 57 place count 1229 transition count 2055
Iterating global reduction 1 with 2 rules applied. Total rules applied 59 place count 1229 transition count 2055
Discarding 2 places :
Symmetric choice reduction at 1 with 2 rule applications. Total rules 61 place count 1227 transition count 2053
Iterating global reduction 1 with 2 rules applied. Total rules applied 63 place count 1227 transition count 2053
Discarding 2 places :
Symmetric choice reduction at 1 with 2 rule applications. Total rules 65 place count 1225 transition count 2051
Iterating global reduction 1 with 2 rules applied. Total rules applied 67 place count 1225 transition count 2051
Applied a total of 67 rules in 211 ms. Remains 1225 /1258 variables (removed 33) and now considering 2051/2085 (removed 34) transitions.
// Phase 1: matrix 2051 rows 1225 cols
[2023-03-08 10:56:55] [INFO ] Computed 88 place invariants in 15 ms
[2023-03-08 10:56:55] [INFO ] Implicit Places using invariants in 309 ms returned []
[2023-03-08 10:56:55] [INFO ] Invariant cache hit.
[2023-03-08 10:56:56] [INFO ] Implicit Places using invariants and state equation in 909 ms returned []
Implicit Place search using SMT with State Equation took 1227 ms to find 0 implicit places.
[2023-03-08 10:56:56] [INFO ] Invariant cache hit.
[2023-03-08 10:56:57] [INFO ] Dead Transitions using invariants and state equation in 836 ms found 0 transitions.
Starting structural reductions in LTL mode, iteration 1 : 1225/1258 places, 2051/2085 transitions.
Finished structural reductions in LTL mode , in 1 iterations and 2275 ms. Remains : 1225/1258 places, 2051/2085 transitions.
Stuttering acceptance computed with spot in 317 ms :[true, (AND (NOT p2) (NOT p1)), (AND (NOT p2) (NOT p1) (NOT p0)), (NOT p1), (AND (NOT p1) (NOT p0)), (AND (NOT p2) (NOT p1) (NOT p0)), (AND (NOT p2) (NOT p1) (NOT p0)), (NOT p2)]
Running random walk in product with property : DLCround-PT-05b-LTLCardinality-05 automaton TGBA Formula[mat=[[{ cond=true, acceptance={0} source=0 dest: 0}], [{ cond=(AND (NOT p1) (NOT p2)), acceptance={} source=1 dest: 0}, { cond=(AND p1 p2), acceptance={} source=1 dest: 1}, { cond=(AND p1 (NOT p2)), acceptance={} source=1 dest: 3}, { cond=(AND (NOT p1) p2), acceptance={} source=1 dest: 7}], [{ cond=(AND (NOT p0) (NOT p1) (NOT p2)), acceptance={} source=2 dest: 0}, { cond=(AND (NOT p0) p1 p2), acceptance={} source=2 dest: 1}, { cond=(AND p0 p2), acceptance={} source=2 dest: 2}, { cond=(AND (NOT p0) p1 (NOT p2)), acceptance={} source=2 dest: 3}, { cond=(AND p0 (NOT p2)), acceptance={} source=2 dest: 4}, { cond=(AND (NOT p0) (NOT p1) p2), acceptance={} source=2 dest: 7}], [{ cond=(NOT p1), acceptance={} source=3 dest: 0}, { cond=p1, acceptance={} source=3 dest: 3}], [{ cond=(AND (NOT p0) (NOT p1)), acceptance={} source=4 dest: 0}, { cond=(AND (NOT p0) p1), acceptance={} source=4 dest: 3}, { cond=p0, acceptance={} source=4 dest: 4}], [{ cond=true, acceptance={} source=5 dest: 6}], [{ cond=true, acceptance={} source=6 dest: 2}], [{ cond=(NOT p2), acceptance={} source=7 dest: 0}, { cond=p2, acceptance={} source=7 dest: 7}]], initial=5, aps=[p1:(OR (EQ s126 0) (EQ s644 1)), p2:(OR (EQ s496 0) (EQ s206 1)), p0:(EQ s972 1)], nbAcceptance=1, properties=[trans-labels, explicit-labels, trans-acc, complete, deterministic, no-univ-branch, unambiguous, semi-deterministic, stutter-sensitive, terminal, very-weak, weak, inherently-weak], stateDesc=[null, null, null, null, null, null, null, null][false, false, false, false, false, false, false, false]]
Entered a terminal (fully accepting) state of product in 3580 steps with 0 reset in 20 ms.
FORMULA DLCround-PT-05b-LTLCardinality-05 FALSE TECHNIQUES STUTTER_TEST
Treatment of property DLCround-PT-05b-LTLCardinality-05 finished in 2644 ms.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202303021504/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!(((F(p0) U p1)&&X((F(p3)||p2))))'
Support contains 6 out of 1258 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 1258/1258 places, 2085/2085 transitions.
Discarding 14 places :
Symmetric choice reduction at 0 with 14 rule applications. Total rules 14 place count 1244 transition count 2071
Iterating global reduction 0 with 14 rules applied. Total rules applied 28 place count 1244 transition count 2071
Ensure Unique test removed 1 transitions
Reduce isomorphic transitions removed 1 transitions.
Iterating post reduction 0 with 1 rules applied. Total rules applied 29 place count 1244 transition count 2070
Discarding 9 places :
Symmetric choice reduction at 1 with 9 rule applications. Total rules 38 place count 1235 transition count 2061
Iterating global reduction 1 with 9 rules applied. Total rules applied 47 place count 1235 transition count 2061
Discarding 3 places :
Symmetric choice reduction at 1 with 3 rule applications. Total rules 50 place count 1232 transition count 2058
Iterating global reduction 1 with 3 rules applied. Total rules applied 53 place count 1232 transition count 2058
Discarding 3 places :
Symmetric choice reduction at 1 with 3 rule applications. Total rules 56 place count 1229 transition count 2055
Iterating global reduction 1 with 3 rules applied. Total rules applied 59 place count 1229 transition count 2055
Discarding 3 places :
Symmetric choice reduction at 1 with 3 rule applications. Total rules 62 place count 1226 transition count 2052
Iterating global reduction 1 with 3 rules applied. Total rules applied 65 place count 1226 transition count 2052
Discarding 2 places :
Symmetric choice reduction at 1 with 2 rule applications. Total rules 67 place count 1224 transition count 2050
Iterating global reduction 1 with 2 rules applied. Total rules applied 69 place count 1224 transition count 2050
Discarding 1 places :
Symmetric choice reduction at 1 with 1 rule applications. Total rules 70 place count 1223 transition count 2049
Iterating global reduction 1 with 1 rules applied. Total rules applied 71 place count 1223 transition count 2049
Applied a total of 71 rules in 241 ms. Remains 1223 /1258 variables (removed 35) and now considering 2049/2085 (removed 36) transitions.
// Phase 1: matrix 2049 rows 1223 cols
[2023-03-08 10:56:57] [INFO ] Computed 88 place invariants in 14 ms
[2023-03-08 10:56:58] [INFO ] Implicit Places using invariants in 310 ms returned []
[2023-03-08 10:56:58] [INFO ] Invariant cache hit.
[2023-03-08 10:56:59] [INFO ] Implicit Places using invariants and state equation in 927 ms returned []
Implicit Place search using SMT with State Equation took 1240 ms to find 0 implicit places.
[2023-03-08 10:56:59] [INFO ] Invariant cache hit.
[2023-03-08 10:56:59] [INFO ] Dead Transitions using invariants and state equation in 756 ms found 0 transitions.
Starting structural reductions in LTL mode, iteration 1 : 1223/1258 places, 2049/2085 transitions.
Finished structural reductions in LTL mode , in 1 iterations and 2241 ms. Remains : 1223/1258 places, 2049/2085 transitions.
Stuttering acceptance computed with spot in 242 ms :[(OR (NOT p1) (AND (NOT p2) (NOT p3))), (NOT p0), (NOT p1), (AND (NOT p3) (NOT p2)), (NOT p3)]
Running random walk in product with property : DLCround-PT-05b-LTLCardinality-06 automaton TGBA Formula[mat=[[{ cond=(AND (NOT p1) (NOT p0)), acceptance={} source=0 dest: 1}, { cond=(NOT p1), acceptance={} source=0 dest: 2}, { cond=true, acceptance={} source=0 dest: 3}], [{ cond=(NOT p0), acceptance={} source=1 dest: 1}], [{ cond=(AND (NOT p1) (NOT p0)), acceptance={} source=2 dest: 1}, { cond=(NOT p1), acceptance={} source=2 dest: 2}], [{ cond=(AND (NOT p2) (NOT p3)), acceptance={} source=3 dest: 4}], [{ cond=(NOT p3), acceptance={} source=4 dest: 4}]], initial=0, aps=[p1:(OR (EQ s80 0) (EQ s1192 1)), p0:(OR (EQ s80 0) (EQ s1192 1) (EQ s660 0) (EQ s550 1)), p2:(OR (EQ s636 0) (EQ s373 1)), p3:(OR (EQ s636 0) (EQ s373 1))...], nbAcceptance=0, properties=[trans-labels, explicit-labels, trans-acc, no-univ-branch, stutter-sensitive, very-weak, weak, inherently-weak], stateDesc=[null, null, null, null, null][false, false, false, false, false]]
Product exploration explored 100000 steps with 50000 reset in 1119 ms.
Product exploration explored 100000 steps with 50000 reset in 1035 ms.
Computed a total of 172 stabilizing places and 172 stable transitions
Computed a total of 172 stabilizing places and 172 stable transitions
Knowledge obtained : [(AND p1 p0 p2 p3), (X (NOT (AND (NOT p2) (NOT p3)))), (X p0), (X p1), (X (NOT (AND (NOT p1) (NOT p0)))), (X (X p0)), (X (X p1)), (X (X (NOT (AND (NOT p1) (NOT p0))))), (X (X p3))]
False Knowledge obtained : []
Property proved to be true thanks to knowledge :(X (NOT (AND (NOT p2) (NOT p3))))
Knowledge based reduction with 9 factoid took 128 ms. Reduced automaton from 5 states, 8 edges and 4 AP (stutter sensitive) to 1 states, 0 edges and 0 AP (stutter insensitive).
FORMULA DLCround-PT-05b-LTLCardinality-06 TRUE TECHNIQUES KNOWLEDGE
Treatment of property DLCround-PT-05b-LTLCardinality-06 finished in 4835 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 2 out of 1258 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 1258/1258 places, 2085/2085 transitions.
Discarding 19 places :
Symmetric choice reduction at 0 with 19 rule applications. Total rules 19 place count 1239 transition count 2066
Iterating global reduction 0 with 19 rules applied. Total rules applied 38 place count 1239 transition count 2066
Ensure Unique test removed 1 transitions
Reduce isomorphic transitions removed 1 transitions.
Iterating post reduction 0 with 1 rules applied. Total rules applied 39 place count 1239 transition count 2065
Discarding 9 places :
Symmetric choice reduction at 1 with 9 rule applications. Total rules 48 place count 1230 transition count 2056
Iterating global reduction 1 with 9 rules applied. Total rules applied 57 place count 1230 transition count 2056
Discarding 4 places :
Symmetric choice reduction at 1 with 4 rule applications. Total rules 61 place count 1226 transition count 2052
Iterating global reduction 1 with 4 rules applied. Total rules applied 65 place count 1226 transition count 2052
Discarding 4 places :
Symmetric choice reduction at 1 with 4 rule applications. Total rules 69 place count 1222 transition count 2048
Iterating global reduction 1 with 4 rules applied. Total rules applied 73 place count 1222 transition count 2048
Discarding 4 places :
Symmetric choice reduction at 1 with 4 rule applications. Total rules 77 place count 1218 transition count 2044
Iterating global reduction 1 with 4 rules applied. Total rules applied 81 place count 1218 transition count 2044
Discarding 3 places :
Symmetric choice reduction at 1 with 3 rule applications. Total rules 84 place count 1215 transition count 2041
Iterating global reduction 1 with 3 rules applied. Total rules applied 87 place count 1215 transition count 2041
Discarding 1 places :
Symmetric choice reduction at 1 with 1 rule applications. Total rules 88 place count 1214 transition count 2040
Iterating global reduction 1 with 1 rules applied. Total rules applied 89 place count 1214 transition count 2040
Applied a total of 89 rules in 233 ms. Remains 1214 /1258 variables (removed 44) and now considering 2040/2085 (removed 45) transitions.
// Phase 1: matrix 2040 rows 1214 cols
[2023-03-08 10:57:02] [INFO ] Computed 88 place invariants in 11 ms
[2023-03-08 10:57:02] [INFO ] Implicit Places using invariants in 302 ms returned []
[2023-03-08 10:57:03] [INFO ] Invariant cache hit.
[2023-03-08 10:57:03] [INFO ] Implicit Places using invariants and state equation in 896 ms returned []
Implicit Place search using SMT with State Equation took 1203 ms to find 0 implicit places.
[2023-03-08 10:57:03] [INFO ] Invariant cache hit.
[2023-03-08 10:57:04] [INFO ] Dead Transitions using invariants and state equation in 763 ms found 0 transitions.
Starting structural reductions in LTL mode, iteration 1 : 1214/1258 places, 2040/2085 transitions.
Finished structural reductions in LTL mode , in 1 iterations and 2200 ms. Remains : 1214/1258 places, 2040/2085 transitions.
Stuttering acceptance computed with spot in 126 ms :[(NOT p0), (NOT p0), true, (NOT p0)]
Running random walk in product with property : DLCround-PT-05b-LTLCardinality-09 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:(OR (EQ s635 0) (EQ s378 1))], 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 704 ms.
Product exploration explored 100000 steps with 33333 reset in 697 ms.
Computed a total of 171 stabilizing places and 171 stable transitions
Computed a total of 171 stabilizing places and 171 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 56 ms. Reduced automaton from 4 states, 4 edges and 1 AP (stutter sensitive) to 1 states, 0 edges and 0 AP (stutter insensitive).
FORMULA DLCround-PT-05b-LTLCardinality-09 TRUE TECHNIQUES KNOWLEDGE
Treatment of property DLCround-PT-05b-LTLCardinality-09 finished in 3845 ms.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202303021504/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!(X(X(G(p0))))'
Support contains 1 out of 1258 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 1258/1258 places, 2085/2085 transitions.
Discarding 20 places :
Symmetric choice reduction at 0 with 20 rule applications. Total rules 20 place count 1238 transition count 2065
Iterating global reduction 0 with 20 rules applied. Total rules applied 40 place count 1238 transition count 2065
Ensure Unique test removed 1 transitions
Reduce isomorphic transitions removed 1 transitions.
Iterating post reduction 0 with 1 rules applied. Total rules applied 41 place count 1238 transition count 2064
Discarding 11 places :
Symmetric choice reduction at 1 with 11 rule applications. Total rules 52 place count 1227 transition count 2053
Iterating global reduction 1 with 11 rules applied. Total rules applied 63 place count 1227 transition count 2053
Discarding 4 places :
Symmetric choice reduction at 1 with 4 rule applications. Total rules 67 place count 1223 transition count 2049
Iterating global reduction 1 with 4 rules applied. Total rules applied 71 place count 1223 transition count 2049
Discarding 4 places :
Symmetric choice reduction at 1 with 4 rule applications. Total rules 75 place count 1219 transition count 2045
Iterating global reduction 1 with 4 rules applied. Total rules applied 79 place count 1219 transition count 2045
Discarding 4 places :
Symmetric choice reduction at 1 with 4 rule applications. Total rules 83 place count 1215 transition count 2041
Iterating global reduction 1 with 4 rules applied. Total rules applied 87 place count 1215 transition count 2041
Discarding 3 places :
Symmetric choice reduction at 1 with 3 rule applications. Total rules 90 place count 1212 transition count 2038
Iterating global reduction 1 with 3 rules applied. Total rules applied 93 place count 1212 transition count 2038
Discarding 1 places :
Symmetric choice reduction at 1 with 1 rule applications. Total rules 94 place count 1211 transition count 2037
Iterating global reduction 1 with 1 rules applied. Total rules applied 95 place count 1211 transition count 2037
Applied a total of 95 rules in 255 ms. Remains 1211 /1258 variables (removed 47) and now considering 2037/2085 (removed 48) transitions.
// Phase 1: matrix 2037 rows 1211 cols
[2023-03-08 10:57:06] [INFO ] Computed 88 place invariants in 13 ms
[2023-03-08 10:57:06] [INFO ] Implicit Places using invariants in 302 ms returned []
[2023-03-08 10:57:06] [INFO ] Invariant cache hit.
[2023-03-08 10:57:07] [INFO ] Implicit Places using invariants and state equation in 894 ms returned []
Implicit Place search using SMT with State Equation took 1198 ms to find 0 implicit places.
[2023-03-08 10:57:07] [INFO ] Invariant cache hit.
[2023-03-08 10:57:08] [INFO ] Dead Transitions using invariants and state equation in 783 ms found 0 transitions.
Starting structural reductions in LTL mode, iteration 1 : 1211/1258 places, 2037/2085 transitions.
Finished structural reductions in LTL mode , in 1 iterations and 2239 ms. Remains : 1211/1258 places, 2037/2085 transitions.
Stuttering acceptance computed with spot in 131 ms :[true, (NOT p0), (NOT p0), (NOT p0)]
Running random walk in product with property : DLCround-PT-05b-LTLCardinality-11 automaton TGBA Formula[mat=[[{ cond=true, acceptance={0} source=0 dest: 0}], [{ cond=(NOT p0), acceptance={} source=1 dest: 0}, { cond=p0, acceptance={} source=1 dest: 1}], [{ cond=true, acceptance={} source=2 dest: 1}], [{ cond=true, acceptance={} source=3 dest: 2}]], initial=3, aps=[p0:(EQ s1172 0)], nbAcceptance=1, properties=[trans-labels, explicit-labels, trans-acc, complete, deterministic, no-univ-branch, unambiguous, semi-deterministic, stutter-sensitive, terminal, very-weak, weak, inherently-weak], stateDesc=[null, null, null, null][false, false, false, false]]
Entered a terminal (fully accepting) state of product in 39 steps with 0 reset in 1 ms.
FORMULA DLCround-PT-05b-LTLCardinality-11 FALSE TECHNIQUES STUTTER_TEST
Treatment of property DLCround-PT-05b-LTLCardinality-11 finished in 2391 ms.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202303021504/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!(G(F(p0)))'
Support contains 2 out of 1258 places. Attempting structural reductions.
Starting structural reductions in SI_LTL mode, iteration 0 : 1258/1258 places, 2085/2085 transitions.
Graph (trivial) has 1155 edges and 1258 vertex of which 344 / 1258 are part of one of the 28 SCC in 2 ms
Free SCC test removed 316 places
Ensure Unique test removed 341 transitions
Reduce isomorphic transitions removed 341 transitions.
Reduce places removed 1 places and 1 transitions.
Drop transitions removed 223 transitions
Trivial Post-agglo rules discarded 223 transitions
Performed 223 trivial Post agglomeration. Transition count delta: 223
Iterating post reduction 0 with 223 rules applied. Total rules applied 224 place count 941 transition count 1520
Reduce places removed 223 places and 0 transitions.
Ensure Unique test removed 12 transitions
Reduce isomorphic transitions removed 12 transitions.
Drop transitions removed 20 transitions
Trivial Post-agglo rules discarded 20 transitions
Performed 20 trivial Post agglomeration. Transition count delta: 20
Iterating post reduction 1 with 255 rules applied. Total rules applied 479 place count 718 transition count 1488
Reduce places removed 20 places and 0 transitions.
Iterating post reduction 2 with 20 rules applied. Total rules applied 499 place count 698 transition count 1488
Performed 88 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 3 with 88 Pre rules applied. Total rules applied 499 place count 698 transition count 1400
Deduced a syphon composed of 88 places in 3 ms
Reduce places removed 88 places and 0 transitions.
Iterating global reduction 3 with 176 rules applied. Total rules applied 675 place count 610 transition count 1400
Discarding 50 places :
Symmetric choice reduction at 3 with 50 rule applications. Total rules 725 place count 560 transition count 1175
Iterating global reduction 3 with 50 rules applied. Total rules applied 775 place count 560 transition count 1175
Ensure Unique test removed 3 transitions
Reduce isomorphic transitions removed 3 transitions.
Iterating post reduction 3 with 3 rules applied. Total rules applied 778 place count 560 transition count 1172
Performed 5 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 4 with 5 Pre rules applied. Total rules applied 778 place count 560 transition count 1167
Deduced a syphon composed of 5 places in 2 ms
Reduce places removed 5 places and 0 transitions.
Iterating global reduction 4 with 10 rules applied. Total rules applied 788 place count 555 transition count 1167
Performed 205 Post agglomeration using F-continuation condition with reduction of 6 identical transitions.
Deduced a syphon composed of 205 places in 0 ms
Reduce places removed 205 places and 0 transitions.
Iterating global reduction 4 with 410 rules applied. Total rules applied 1198 place count 350 transition count 956
Ensure Unique test removed 6 transitions
Reduce isomorphic transitions removed 6 transitions.
Iterating post reduction 4 with 6 rules applied. Total rules applied 1204 place count 350 transition count 950
Discarding 21 places :
Symmetric choice reduction at 5 with 21 rule applications. Total rules 1225 place count 329 transition count 776
Iterating global reduction 5 with 21 rules applied. Total rules applied 1246 place count 329 transition count 776
Ensure Unique test removed 17 transitions
Reduce isomorphic transitions removed 17 transitions.
Iterating post reduction 5 with 17 rules applied. Total rules applied 1263 place count 329 transition count 759
Performed 16 Post agglomeration using F-continuation condition with reduction of 24 identical transitions.
Deduced a syphon composed of 16 places in 0 ms
Reduce places removed 16 places and 0 transitions.
Iterating global reduction 6 with 32 rules applied. Total rules applied 1295 place count 313 transition count 868
Discarding 4 places :
Symmetric choice reduction at 6 with 4 rule applications. Total rules 1299 place count 309 transition count 814
Iterating global reduction 6 with 4 rules applied. Total rules applied 1303 place count 309 transition count 814
Ensure Unique test removed 25 transitions
Reduce isomorphic transitions removed 25 transitions.
Iterating post reduction 6 with 25 rules applied. Total rules applied 1328 place count 309 transition count 789
Drop transitions removed 27 transitions
Redundant transition composition rules discarded 27 transitions
Iterating global reduction 7 with 27 rules applied. Total rules applied 1355 place count 309 transition count 762
Discarding 12 places :
Symmetric choice reduction at 7 with 12 rule applications. Total rules 1367 place count 297 transition count 738
Iterating global reduction 7 with 12 rules applied. Total rules applied 1379 place count 297 transition count 738
Discarding 12 places :
Symmetric choice reduction at 7 with 12 rule applications. Total rules 1391 place count 285 transition count 628
Iterating global reduction 7 with 12 rules applied. Total rules applied 1403 place count 285 transition count 628
Ensure Unique test removed 12 transitions
Reduce isomorphic transitions removed 12 transitions.
Iterating post reduction 7 with 12 rules applied. Total rules applied 1415 place count 285 transition count 616
Reduce places removed 1 places and 1 transitions.
Iterating global reduction 8 with 1 rules applied. Total rules applied 1416 place count 284 transition count 615
Applied a total of 1416 rules in 144 ms. Remains 284 /1258 variables (removed 974) and now considering 615/2085 (removed 1470) transitions.
[2023-03-08 10:57:08] [INFO ] Flow matrix only has 595 transitions (discarded 20 similar events)
// Phase 1: matrix 595 rows 284 cols
[2023-03-08 10:57:08] [INFO ] Computed 88 place invariants in 4 ms
[2023-03-08 10:57:08] [INFO ] Implicit Places using invariants in 127 ms returned []
[2023-03-08 10:57:08] [INFO ] Flow matrix only has 595 transitions (discarded 20 similar events)
[2023-03-08 10:57:08] [INFO ] Invariant cache hit.
[2023-03-08 10:57:09] [INFO ] State equation strengthened by 36 read => feed constraints.
[2023-03-08 10:57:09] [INFO ] Implicit Places using invariants and state equation in 268 ms returned []
Implicit Place search using SMT with State Equation took 399 ms to find 0 implicit places.
[2023-03-08 10:57:09] [INFO ] Redundant transitions in 5 ms returned []
[2023-03-08 10:57:09] [INFO ] Flow matrix only has 595 transitions (discarded 20 similar events)
[2023-03-08 10:57:09] [INFO ] Invariant cache hit.
[2023-03-08 10:57:09] [INFO ] Dead Transitions using invariants and state equation in 213 ms found 0 transitions.
Starting structural reductions in SI_LTL mode, iteration 1 : 284/1258 places, 615/2085 transitions.
Finished structural reductions in SI_LTL mode , in 1 iterations and 767 ms. Remains : 284/1258 places, 615/2085 transitions.
Stuttering acceptance computed with spot in 77 ms :[(NOT p0), (NOT p0)]
Running random walk in product with property : DLCround-PT-05b-LTLCardinality-14 automaton TGBA Formula[mat=[[{ cond=true, acceptance={} source=0 dest: 0}, { cond=(NOT p0), acceptance={} source=0 dest: 1}], [{ cond=(NOT p0), acceptance={0} source=1 dest: 1}]], initial=0, aps=[p0:(OR (EQ s121 0) (EQ s162 1))], nbAcceptance=1, properties=[trans-labels, explicit-labels, trans-acc, no-univ-branch, stutter-invariant, very-weak, weak, inherently-weak], stateDesc=[null, null][true, true]]
Stuttering criterion allowed to conclude after 474 steps with 0 reset in 3 ms.
FORMULA DLCround-PT-05b-LTLCardinality-14 FALSE TECHNIQUES STUTTER_TEST
Treatment of property DLCround-PT-05b-LTLCardinality-14 finished in 865 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 1258 places. Attempting structural reductions.
Starting structural reductions in SI_LTL mode, iteration 0 : 1258/1258 places, 2085/2085 transitions.
Graph (trivial) has 1155 edges and 1258 vertex of which 344 / 1258 are part of one of the 28 SCC in 2 ms
Free SCC test removed 316 places
Ensure Unique test removed 341 transitions
Reduce isomorphic transitions removed 341 transitions.
Reduce places removed 1 places and 1 transitions.
Drop transitions removed 223 transitions
Trivial Post-agglo rules discarded 223 transitions
Performed 223 trivial Post agglomeration. Transition count delta: 223
Iterating post reduction 0 with 223 rules applied. Total rules applied 224 place count 941 transition count 1520
Reduce places removed 223 places and 0 transitions.
Ensure Unique test removed 11 transitions
Reduce isomorphic transitions removed 11 transitions.
Drop transitions removed 20 transitions
Trivial Post-agglo rules discarded 20 transitions
Performed 20 trivial Post agglomeration. Transition count delta: 20
Iterating post reduction 1 with 254 rules applied. Total rules applied 478 place count 718 transition count 1489
Reduce places removed 20 places and 0 transitions.
Iterating post reduction 2 with 20 rules applied. Total rules applied 498 place count 698 transition count 1489
Performed 88 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 3 with 88 Pre rules applied. Total rules applied 498 place count 698 transition count 1401
Deduced a syphon composed of 88 places in 3 ms
Reduce places removed 88 places and 0 transitions.
Iterating global reduction 3 with 176 rules applied. Total rules applied 674 place count 610 transition count 1401
Discarding 51 places :
Symmetric choice reduction at 3 with 51 rule applications. Total rules 725 place count 559 transition count 1175
Iterating global reduction 3 with 51 rules applied. Total rules applied 776 place count 559 transition count 1175
Ensure Unique test removed 3 transitions
Reduce isomorphic transitions removed 3 transitions.
Iterating post reduction 3 with 3 rules applied. Total rules applied 779 place count 559 transition count 1172
Performed 7 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 4 with 7 Pre rules applied. Total rules applied 779 place count 559 transition count 1165
Deduced a syphon composed of 7 places in 2 ms
Reduce places removed 7 places and 0 transitions.
Iterating global reduction 4 with 14 rules applied. Total rules applied 793 place count 552 transition count 1165
Performed 203 Post agglomeration using F-continuation condition with reduction of 6 identical transitions.
Deduced a syphon composed of 203 places in 0 ms
Reduce places removed 203 places and 0 transitions.
Iterating global reduction 4 with 406 rules applied. Total rules applied 1199 place count 349 transition count 956
Ensure Unique test removed 6 transitions
Reduce isomorphic transitions removed 6 transitions.
Iterating post reduction 4 with 6 rules applied. Total rules applied 1205 place count 349 transition count 950
Discarding 20 places :
Symmetric choice reduction at 5 with 20 rule applications. Total rules 1225 place count 329 transition count 785
Iterating global reduction 5 with 20 rules applied. Total rules applied 1245 place count 329 transition count 785
Ensure Unique test removed 16 transitions
Reduce isomorphic transitions removed 16 transitions.
Iterating post reduction 5 with 16 rules applied. Total rules applied 1261 place count 329 transition count 769
Performed 16 Post agglomeration using F-continuation condition with reduction of 24 identical transitions.
Deduced a syphon composed of 16 places in 0 ms
Reduce places removed 16 places and 0 transitions.
Iterating global reduction 6 with 32 rules applied. Total rules applied 1293 place count 313 transition count 878
Discarding 4 places :
Symmetric choice reduction at 6 with 4 rule applications. Total rules 1297 place count 309 transition count 824
Iterating global reduction 6 with 4 rules applied. Total rules applied 1301 place count 309 transition count 824
Ensure Unique test removed 25 transitions
Reduce isomorphic transitions removed 25 transitions.
Iterating post reduction 6 with 25 rules applied. Total rules applied 1326 place count 309 transition count 799
Drop transitions removed 27 transitions
Redundant transition composition rules discarded 27 transitions
Iterating global reduction 7 with 27 rules applied. Total rules applied 1353 place count 309 transition count 772
Discarding 12 places :
Symmetric choice reduction at 7 with 12 rule applications. Total rules 1365 place count 297 transition count 748
Iterating global reduction 7 with 12 rules applied. Total rules applied 1377 place count 297 transition count 748
Discarding 12 places :
Symmetric choice reduction at 7 with 12 rule applications. Total rules 1389 place count 285 transition count 638
Iterating global reduction 7 with 12 rules applied. Total rules applied 1401 place count 285 transition count 638
Ensure Unique test removed 12 transitions
Reduce isomorphic transitions removed 12 transitions.
Iterating post reduction 7 with 12 rules applied. Total rules applied 1413 place count 285 transition count 626
Reduce places removed 1 places and 1 transitions.
Iterating global reduction 8 with 1 rules applied. Total rules applied 1414 place count 284 transition count 625
Applied a total of 1414 rules in 126 ms. Remains 284 /1258 variables (removed 974) and now considering 625/2085 (removed 1460) transitions.
[2023-03-08 10:57:09] [INFO ] Flow matrix only has 605 transitions (discarded 20 similar events)
// Phase 1: matrix 605 rows 284 cols
[2023-03-08 10:57:09] [INFO ] Computed 88 place invariants in 6 ms
[2023-03-08 10:57:09] [INFO ] Implicit Places using invariants in 125 ms returned []
[2023-03-08 10:57:09] [INFO ] Flow matrix only has 605 transitions (discarded 20 similar events)
[2023-03-08 10:57:09] [INFO ] Invariant cache hit.
[2023-03-08 10:57:09] [INFO ] State equation strengthened by 36 read => feed constraints.
[2023-03-08 10:57:10] [INFO ] Implicit Places using invariants and state equation in 274 ms returned []
Implicit Place search using SMT with State Equation took 402 ms to find 0 implicit places.
[2023-03-08 10:57:10] [INFO ] Redundant transitions in 4 ms returned []
[2023-03-08 10:57:10] [INFO ] Flow matrix only has 605 transitions (discarded 20 similar events)
[2023-03-08 10:57:10] [INFO ] Invariant cache hit.
[2023-03-08 10:57:10] [INFO ] Dead Transitions using invariants and state equation in 220 ms found 0 transitions.
Starting structural reductions in SI_LTL mode, iteration 1 : 284/1258 places, 625/2085 transitions.
Finished structural reductions in SI_LTL mode , in 1 iterations and 770 ms. Remains : 284/1258 places, 625/2085 transitions.
Stuttering acceptance computed with spot in 29 ms :[(NOT p0)]
Running random walk in product with property : DLCround-PT-05b-LTLCardinality-15 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 (NEQ s57 0) (NEQ s36 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 0 steps with 0 reset in 0 ms.
FORMULA DLCround-PT-05b-LTLCardinality-15 FALSE TECHNIQUES STUTTER_TEST
Treatment of property DLCround-PT-05b-LTLCardinality-15 finished in 812 ms.
All properties solved by simple procedures.
Total runtime 26045 ms.
ITS solved all properties within timeout

BK_STOP 1678273031725

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

+ ulimit -s 65536
+ [[ -z '' ]]
+ export LTSMIN_MEM_SIZE=8589934592
+ LTSMIN_MEM_SIZE=8589934592
+ export PYTHONPATH=/home/mcc/BenchKit/itstools/pylibs
+ PYTHONPATH=/home/mcc/BenchKit/itstools/pylibs
+ export LD_LIBRARY_PATH=/home/mcc/BenchKit/itstools/pylibs:
+ LD_LIBRARY_PATH=/home/mcc/BenchKit/itstools/pylibs:
++ sed s/.jar//
++ perl -pe 's/.*\.//g'
++ ls /home/mcc/BenchKit/bin//../reducer/bin//../../itstools//itstools/plugins/fr.lip6.move.gal.application.pnmcc_1.0.0.202303021504.jar
+ VERSION=202303021504
+ echo 'Running Version 202303021504'
+ /home/mcc/BenchKit/bin//../reducer/bin//../../itstools//itstools/its-tools -pnfolder /home/mcc/execution -examination LTLCardinality -timeout 360 -rebuildPNML

Sequence of Actions to be Executed by the VM

This is useful if one wants to reexecute the tool in the VM from the submitted image disk.

set -x
# this is for BenchKit: configuration of major elements for the test
export BK_INPUT="DLCround-PT-05b"
export BK_EXAMINATION="LTLCardinality"
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 DLCround-PT-05b, 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 r103-tall-167814478600659"
echo "====================================================================="
echo
echo "--------------------"
echo "preparation of the directory to be used:"

tar xzf /home/mcc/BenchKit/INPUTS/DLCround-PT-05b.tgz
mv DLCround-PT-05b 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 ;